/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables */
:root {
    /* Colors */
    --color-brand-primary: rgb(13, 39, 54);
    --color-brand-primary-hover: rgb(20, 50, 70);
    --color-brand-primary-pressed: rgb(20, 50, 70);
    --color-brand-accent: #4F80E1;
    --color-grayscale-000: #FFFFFF;
    --color-grayscale-100: #F8F9FA;
    --color-grayscale-200: #ECEFF1;
    --color-grayscale-300: #E6E7E8;
    --color-grayscale-400: #6C7072;
    --color-grayscale-500: #9CA3AF;
    --color-grayscale-600: #4A5568;
    --color-grayscale-900: rgb(13, 39, 54);
    --color-error: #EF4444;
    --color-success: #10B981;
    --color-focus: #4F80E1;

    /* Typography */
    --font-family: 'Outfit', sans-serif;
    
    /* Font Sizes */
    --h1-font-size: clamp(24px, 8vw, 72px);
    --h1-line-height: 1.1;
    --h1-font-weight: 700;
    
    --h2-font-size: clamp(28px, 6vw, 48px);
    --h2-line-height: 1.2;
    --h2-font-weight: 700;
    
    --h3-font-size: clamp(20px, 4vw, 32px);
    --h3-line-height: 1.2;
    --h3-font-weight: 600;
    
    --h4-font-size: clamp(16px, 3vw, 24px);
    --h4-line-height: 1.3;
    --h4-font-weight: 600;
    
    --bodyl-font-size: 16px;
    --bodyl-line-height: 1.6;
    --bodyl-font-weight: 400;
    
    --bodym-font-size: 14px;
    --bodym-line-height: 1.5;
    --bodym-font-weight: 400;
    
    --bodys-font-size: 12px;
    --bodys-line-height: 1.4;
    --bodys-font-weight: 400;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 40px;
    --spacing-3xl: 60px;
    --spacing-4xl: 80px;
    --spacing-5xl: 100px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base styles */
body {
    font-family: var(--font-family);
    color: var(--color-grayscale-900);
    line-height: 1.6;
    background-color: var(--color-grayscale-000);
    overflow-x: hidden;
}

.container {
    max-width: 1680px;
    margin: 0 auto;
    padding: 0 clamp(6px, 2vw, 20px);
    transition: padding 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    line-height: 1.2;
    margin: 0;
    font-weight: 700;
}

h1 { 
    font-size: var(--h1-font-size);
    line-height: var(--h1-line-height);
    font-weight: var(--h1-font-weight);
}

h2 { 
    font-size: var(--h2-font-size);
    line-height: var(--h2-line-height);
    font-weight: var(--h2-font-weight);
}

h3 { 
    font-size: var(--h3-font-size);
    line-height: var(--h3-line-height);
    font-weight: var(--h3-font-weight);
}

h4 { 
    font-size: var(--h4-font-size);
    line-height: var(--h4-line-height);
    font-weight: var(--h4-font-weight);
}

p {
    font-size: var(--bodyl-font-size);
    line-height: var(--bodyl-line-height);
    font-weight: var(--bodyl-font-weight);
}

/* Button Components */
.button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(var(--spacing-xs), 2vw, var(--spacing-sm));
    padding: clamp(var(--spacing-sm), 2vw, var(--spacing-md)) clamp(var(--spacing-md), 3vw, var(--spacing-lg));
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-weight: 500;
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.button::before, .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.button:hover::before, .btn:hover::before {
    left: 100%;
}

.button--primary, .btn--primary {
    background: var(--color-brand-primary) !important;
    color: var(--color-grayscale-000) !important;
    border-radius: 8px;
    padding: clamp(var(--spacing-sm), 2vw, var(--spacing-md)) clamp(var(--spacing-md), 3vw, var(--spacing-lg));
    font-size: clamp(14px, 2.5vw, var(--bodym-font-size));
    font-weight: var(--bodym-font-weight);
    box-shadow: none;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.button--primary:hover, .btn--primary:hover {
    background: var(--color-brand-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.button--primary:active, .btn--primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.button--secondary {
    background-color: transparent;
    border-color: var(--color-brand-primary);
    color: var(--color-brand-primary);
    box-shadow: var(--shadow-sm);
    padding: clamp(var(--spacing-sm), 2vw, var(--spacing-md)) clamp(var(--spacing-md), 3vw, var(--spacing-lg));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    white-space: nowrap;
}

.button--secondary:hover {
    background: linear-gradient(135deg, var(--color-brand-primary) 0%, rgb(20, 50, 70) 100%);
    color: var(--color-grayscale-000);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.button--secondary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.button--tertiary {
    background-color: var(--color-grayscale-000);
    color: var(--color-brand-primary);
    padding: clamp(var(--spacing-xs), 2vw, var(--spacing-sm)) clamp(var(--spacing-sm), 3vw, var(--spacing-md));
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    font-size: clamp(13px, 2.5vw, var(--bodym-font-size));
}

.button--tertiary:hover {
    background-color: var(--color-grayscale-100);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.button--tertiary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Button Sizes */
.button--small, .btn--small {
    padding: clamp(var(--spacing-xs), 2vw, var(--spacing-sm)) clamp(var(--spacing-sm), 3vw, var(--spacing-md));
    font-size: clamp(13px, 2.5vw, var(--bodym-font-size));
}

.button--big {
    padding: clamp(var(--spacing-md), 3vw, var(--spacing-lg)) clamp(var(--spacing-lg), 4vw, var(--spacing-xl));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    font-weight: 600;
}

/* Round Button */
.button-circle {
    width: clamp(44px, 8vw, 56px);
    height: clamp(44px, 8vw, 56px);
    border-radius: var(--radius-full);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.button-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.button-circle:hover::before {
    transform: translateX(100%);
}

.button-circle-brand {
    background: var(--color-brand-primary);
    color: var(--color-grayscale-000);
    box-shadow: var(--shadow-md);
    border: none;
}

.button-circle-brand:hover {
    background: var(--color-brand-primary-hover);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.button-circle-brand:active {
    transform: translateY(0) scale(1);
    box-shadow: var(--shadow-md);
}

/* Icons */
.icon-big {
    width: clamp(18px, 4vw, 24px);
    height: clamp(18px, 4vw, 24px);
    transition: transform var(--transition-fast);
    object-fit: contain;
    max-width: 100%;
    max-height: 100%;
}

.button-circle:hover .icon-big {
    transform: scale(1.1);
}

.arrow-right {
    width: clamp(14px, 3vw, 16px);
    height: clamp(14px, 3vw, 16px);
    transform: rotate(180deg);
    transition: transform var(--transition-fast);
}

.button:hover .arrow-right {
    transform: rotate(180deg) translateX(2px);
}

/* Input Components */
.input {
    border: 2px solid var(--color-grayscale-300);
    border-radius: var(--radius-sm);
    padding: clamp(var(--spacing-sm), 2.5vw, var(--spacing-md));
    font-family: var(--font-family);
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    background-color: var(--color-grayscale-000);
    color: var(--color-grayscale-900);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.input:focus {
    outline: none;
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgba(79, 128, 225, 0.1);
    transform: translateY(-1px);
}

.input::placeholder {
    color: var(--color-grayscale-400);
    transition: color var(--transition-fast);
}

.input:focus::placeholder {
    color: var(--color-grayscale-500);
}

.input:invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.input--small {
    padding: clamp(var(--spacing-xs), 2vw, var(--spacing-sm)) clamp(var(--spacing-sm), 3vw, var(--spacing-md));
    font-size: clamp(13px, 2.5vw, var(--bodym-font-size));
}

/* Card Components */
.card-small {
    width: calc(33.333% - 10px);
    height: clamp(220px, 40vw, 420px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    flex: 0 0 auto;
    box-sizing: border-box;
    position: relative;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.card-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(18, 41, 59, 0.1) 50%, rgba(18, 41, 59, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card-small:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-lg) !important;
}

.card-small:active {
    transform: translateY(2px) scale(0.98) !important;
    box-shadow: var(--shadow-sm) !important;
}

.card-small.selected {
    transform: translateY(1px) scale(0.99) !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2) !important;
}

.card-small:hover::before {
    opacity: 0;
}

.card-small-background-1 {
    background-image: url(assets/Project\ card1.png);
}

.card-small-background-2 {
    background-image: url(assets/Project\ card2.png);
}

.card-small-background-3 {
    background-image: url(assets/Project\ card3.png);
}

.card-small-background-4 {
    background-image: url(assets/Project\ card4.png);
}

.card-small-background-5 {
    background-image: url(assets/Project\ card5.png);
}

.card-small-background-6 {
    background-image: url(assets/Project\ card6.png);
}

.card-small-content {
    padding: clamp(12px, 3vw, 20px) clamp(16px, 4vw, 24px) clamp(25px, 6vw, 44px);
    background: linear-gradient(180deg, transparent 0%, var(--color-brand-primary) 20%);
    color: var(--color-grayscale-000);
    text-align: left;
    height: clamp(100px, 20vw, 144px);
    position: relative;
    z-index: 2;
}

.card_h4 {
    font-size: var(--h4-font-size);
    line-height: var(--h4-line-height);
    font-weight: var(--h4-font-weight);
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.card-small:hover .card_h4 {
    transform: none;
}

.card_description {
    font-size: clamp(13px, 2.5vw, var(--bodyl-font-size));
    line-height: var(--bodyl-line-height);
    font-weight: var(--bodyl-font-weight);
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.card-small:hover .card_description {
    opacity: 0.9;
}

/* Header */
.header {
    padding: var(--spacing-2xl) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: none;
    transition: all var(--transition-normal);
}

.header--scrolled {
    padding: var(--spacing-md) 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header--scrolled .header__logo {
    height: 32px;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.header__logo {
    height: clamp(28px, 6vw, 40px);
    transition: transform var(--transition-fast);
}

.header__logo:hover {
    transform: scale(1.05);
}

.header__nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header__nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: clamp(var(--spacing-sm), 3vw, var(--spacing-xl));
    flex-wrap: wrap;
    justify-content: center;
}

.header__nav-link {
    font-size: clamp(12px, 2.5vw, var(--bodyl-font-size));
    font-weight: var(--bodyl-font-weight);
    text-decoration: none;
    color: var(--color-grayscale-900);
    position: relative;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) 0;
    white-space: nowrap;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-brand-primary);
    transition: width var(--transition-normal);
}

.header__nav-link:hover,
.header__nav-link--active {
    font-weight: 600;
    color: var(--color-brand-primary);
}

.header__nav-link--active::after {
    width: 100%;
}

.header__nav-link:hover::after {
    width: 100%;
}

.btn--header {
    background: var(--color-brand-primary);
    color: var(--color-grayscale-000);
    border-radius: 8px;
    padding: clamp(var(--spacing-xs), 1.5vw, var(--spacing-sm)) clamp(var(--spacing-sm), 2vw, var(--spacing-md));
    font-size: clamp(11px, 2vw, var(--bodym-font-size));
    font-weight: var(--bodym-font-weight);
    box-shadow: none;
    transition: all var(--transition-normal);
    border: none;
    white-space: nowrap;
}

.btn--header:hover {
    background: var(--color-brand-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Hero Section */
.hero {
    background: var(--color-grayscale-000);
    padding-top: 140px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    display: none;
}

.hero__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.hero__text {
    max-width: 40%;
    animation: slideInLeft 0.8s ease-out;
}

.hero__text h1 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-brand-primary);
    font-weight: 700;
    line-height: 1.1;
}

.hero__text p {
    font-size: clamp(14px, 3vw, 18px);
    line-height: clamp(20px, 4vw, 28px);
    margin-bottom: var(--spacing-lg);
    color: var(--color-grayscale-600);
}

.hero__cta-link {
    color: var(--color-brand-primary);
    text-decoration: underline;
    font-size: var(--bodyl-font-size);
    font-weight: 500;
    transition: color var(--transition-normal);
    display: block;
    margin-top: var(--spacing-sm);
}

.hero__cta-link:hover {
    color: var(--color-brand-primary-hover);
}


.hero__image-wrapper {
    max-width: 60%;
    position: relative;
    animation: slideInRight 0.8s ease-out;
}

.hero__image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
    transition: transform var(--transition-slow);
    max-height: clamp(200px, 40vw, 600px);
}

.hero__image:hover {
    transform: scale(1.01);
}

/* About Us Section */
.about-us {
    padding: var(--spacing-5xl) 0;
    background: var(--color-grayscale-000);
}

.about-us__wrapper {
    display: flex;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-us__text {
    flex: 1;
}

.about-us__text h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-brand-primary);
}

.about-us__text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-grayscale-600);
    line-height: 1.7;
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
}

.about-us__image-wrapper {
    flex: 1;
    position: relative;
}

.about-us__image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-slow);
    max-height: clamp(300px, 50vw, 500px);
}

.about-us__image:hover {
    transform: scale(1.02);
}

/* Portfolio Section */
.portfolio {
    background: linear-gradient(135deg, var(--color-grayscale-100) 0%, #f1f5f9 100%);
    padding: var(--spacing-5xl) 0;
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%2312293B" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%2312293B" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.portfolio_content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.portfolio_h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-brand-primary);
}

.portfolio_description {
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    line-height: var(--bodyl-line-height);
    color: var(--color-grayscale-600);
}

.slider-wrapper {
    position: relative;
    z-index: 2;
    padding-top: 20px;
    margin-top: 20px;
}

.slider {
    overflow: hidden;
    border-radius: var(--radius-lg);
    padding: 20px 10px;
    width: 100%;
}

.slider-track {
    display: flex;
    gap: clamp(var(--spacing-sm), 3vw, var(--spacing-lg));
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    width: max-content;
    align-items: stretch;
}

.slider-buttons {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 3;
    padding: 0 20px;
}

.button-circle-position {
    pointer-events: auto;
    position: relative;
    z-index: 4;
}

/* Специальные стили для кнопок навигации слайдера - точно как в Trusted partners */
.slider-buttons .button-circle {
    background: transparent !important;
    border: none !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
    box-shadow: none !important;
    transition: all var(--transition-normal) !important;
    width: 56px !important;
    height: 56px !important;
}

.slider-buttons .button-circle:hover {
    transform: translateY(-2px) scale(1.05) !important;
}

.slider-buttons .button-circle:active {
    transform: translateY(0) scale(1) !important;
}

.slider-buttons .icon-big {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    transition: transform var(--transition-fast) !important;
}

.slider-buttons .button-circle:hover .icon-big {
    transform: scale(1.1) !important;
}

.button-position {
    margin: var(--spacing-2xl) auto 0;
    display: flex;
    position: relative;
    z-index: 2;
    padding: clamp(var(--spacing-lg), 4vw, var(--spacing-xl)) clamp(var(--spacing-xl), 5vw, var(--spacing-2xl));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
}

.slider-progress {
    display: flex;
    align-items: center;
    gap: clamp(8px, 2vw, 14px);
    width: 100%;
    max-width: clamp(300px, 60vw, 400px);
    margin: var(--spacing-2xl) auto;
    position: relative;
    z-index: 2;
}

.progress-text {
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    font-weight: 600;
    line-height: var(--bodyl-line-height);
    min-width: clamp(50px, 10vw, 60px);
}

.progress-text .current {
    color: var(--color-brand-primary);
    font-weight: 700;
}

.progress-text .total {
    color: var(--color-grayscale-400);
}

.progress-line {
    flex: 1;
    height: clamp(3px, 0.8vw, 4px);
    background-color: var(--color-grayscale-300);
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-brand-primary) 0%, var(--color-brand-accent) 100%);
    width: 50%;
    transition: width var(--transition-slow);
    border-radius: 2px;
}

/* Certifications Section */
.certifications {
    padding: var(--spacing-5xl) 0;
    background: var(--color-grayscale-000);
    overflow: visible;
}

.certifications__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.certifications__header h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-brand-primary);
}

.certifications__header p {
    color: var(--color-grayscale-600);
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
}

.certifications__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding: 20px 0;
    overflow: visible;
    justify-items: center;
}

.certification-card {
    background: rgb(13, 39, 54);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    width: 100%;
    height: auto;
    cursor: pointer;
}

.certification-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.certification-card:active {
    transform: translateY(2px) scale(0.98);
    box-shadow: var(--shadow-sm);
}

.certification-card.selected {
    transform: translateY(1px) scale(0.99);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.certification-card__image {
    width: 100%;
    height: auto;
    display: block;
}

.certification-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}


.button--centered {
    margin: 0 0 0 auto;
    display: flex;
    max-width: fit-content;
    padding: clamp(var(--spacing-sm), 2vw, var(--spacing-md)) clamp(var(--spacing-md), 3vw, var(--spacing-lg));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
}


/* FAQ Section */
/* Partners Section */
.partners {
    padding: var(--spacing-4xl) 0;
    background: var(--color-grayscale-000);
}

.partners__header {
    text-align: left;
    margin-bottom: var(--spacing-2xl);
}

.partners__header h2 {
    font-size: clamp(28px, 6vw, 48px);
    font-weight: 700;
    color: var(--color-grayscale-900);
    margin-bottom: var(--spacing-md);
}

.partners__header p {
    font-size: clamp(14px, 2.5vw, 18px);
    line-height: 1.7;
    color: var(--color-grayscale-600);
    max-width: 600px;
}

.partners__slider-wrapper {
    position: relative;
    margin-bottom: var(--spacing-2xl);
}

.partners__slider {
    overflow: hidden;
    border-radius: var(--radius-lg);
    position: relative;
}

.partners__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.partners__slide {
    min-width: 100%;
    flex-shrink: 0;
}

.partners__image-wrapper {
    position: relative;
    width: calc(100% - 60px);
    height: clamp(250px, 40vw, 450px);
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin: 0 30px;
}

.partners__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.partners__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-2xl);
    color: var(--color-grayscale-000);
}

.partners__overlay h3 {
    font-size: clamp(20px, 4vw, 32px);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.partners__overlay p {
    font-size: clamp(14px, 2.5vw, 18px);
    line-height: 1.6;
    opacity: 0.9;
}

.partners__buttons {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 3;
    padding: 0 20px;
}

/* Стили для кнопок partners */
.partners__buttons .button-circle {
    background: transparent !important;
    border: none !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
    box-shadow: none !important;
    transition: all var(--transition-normal) !important;
    width: 56px !important;
    height: 56px !important;
}

.partners__buttons .button-circle:hover {
    transform: translateY(-2px) scale(1.05) !important;
}

.partners__buttons .button-circle:active {
    transform: translateY(0) scale(1) !important;
}

.partners__buttons .icon-big {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    transition: transform var(--transition-fast) !important;
}

.partners__buttons .button-circle:hover .icon-big {
    transform: scale(1.1) !important;
}

/* Адаптация кнопок partners для мобильных устройств */
@media (max-width: 768px) {
    .partners__buttons {
        position: static !important;
        display: flex !important;
        justify-content: center !important;
        gap: var(--spacing-lg) !important;
        margin: var(--spacing-lg) 0 !important;
        padding: 0 !important;
    }
    
    .partners__buttons .button-circle {
        position: static !important;
        transform: none !important;
        width: 48px !important;
        height: 48px !important;
    }
}

@media (max-width: 576px) {
    .partners__buttons .button-circle {
        width: 44px !important;
        height: 44px !important;
    }
}

@media (max-width: 320px) {
    .partners__buttons .button-circle {
        width: 40px !important;
        height: 40px !important;
    }
}

.partners__progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.partners__progress-text {
    font-size: clamp(14px, 2.5vw, 16px);
    font-weight: 600;
    color: var(--color-grayscale-600);
    min-width: 60px;
}

.partners__progress-line {
    width: 200px;
    height: 4px;
    background: var(--color-grayscale-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.partners__progress-fill {
    height: 100%;
    background: var(--color-brand-primary);
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
    width: 50%;
}

.faq {
    background: linear-gradient(135deg, var(--color-grayscale-100) 0%, #f1f5f9 100%);
    padding: var(--spacing-5xl) 0;
}

.faq .container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: clamp(var(--spacing-2xl), 6vw, var(--spacing-4xl));
}

.faq h2 {
    margin: 0;
    color: var(--color-brand-primary);
}

.faq__item {
    border-bottom: 1px solid var(--color-grayscale-300);
    padding: var(--spacing-lg) 0;
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq__question:hover h4 {
    color: var(--color-brand-primary);
}

.faq__question h4 {
    margin: 0;
    transition: color var(--transition-fast);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq__answer p {
    margin-top: 10px;
    font-size: clamp(13px, 2.5vw, var(--bodym-font-size));
    color: var(--color-grayscale-600);
    line-height: 1.6;
}

.faq__item--open .faq__answer {
    max-height: 200px;
}

/* CTA Section */
.cta {
    padding: var(--spacing-5xl) 0;
    background: var(--color-grayscale-000);
}

.cta__wrapper {
    display: flex;
    background: var(--color-brand-primary);
    color: var(--color-grayscale-000);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.cta__text {
    padding: clamp(var(--spacing-2xl), 6vw, var(--spacing-4xl));
    max-width: 50%;
    position: relative;
    z-index: 2;
    background: var(--color-brand-primary);
}

.cta__text h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-grayscale-000);
    font-size: var(--h2-font-size);
    font-weight: var(--h2-font-weight);
}

.cta__text p {
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    margin-bottom: var(--spacing-lg);
    color: var(--color-grayscale-000);
    opacity: 0.9;
    line-height: 1.6;
}

.cta__form {
    display: flex;
    gap: clamp(var(--spacing-xs), 2vw, var(--spacing-sm));
    margin-bottom: var(--spacing-md);
}

.cta__input {
    flex: 1;
    background-color: var(--color-grayscale-100);
    border: 1px solid var(--color-grayscale-300);
    border-radius: var(--radius-sm);
    padding: clamp(var(--spacing-xs), 2vw, var(--spacing-sm)) clamp(var(--spacing-sm), 3vw, var(--spacing-md));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    color: var(--color-grayscale-900);
    transition: all var(--transition-normal);
}

.cta__input:focus {
    outline: none;
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 2px rgba(26, 32, 44, 0.1);
}

.cta__input::placeholder {
    color: var(--color-grayscale-400);
}

.cta__submit-btn {
    background-color: var(--color-grayscale-000);
    color: var(--color-brand-primary);
    border: 1px solid var(--color-grayscale-300);
    border-radius: var(--radius-sm);
    padding: clamp(var(--spacing-xs), 2vw, var(--spacing-sm)) clamp(var(--spacing-sm), 3vw, var(--spacing-md));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.cta__submit-btn:hover {
    background-color: var(--color-grayscale-100);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.cta__text small {
    font-size: clamp(11px, 2vw, var(--bodys-font-size));
    color: var(--color-grayscale-000);
    opacity: 0.7;
    line-height: 1.4;
}

.cta__image {
    max-width: 50%;
    position: relative;
    z-index: 2;
    background: var(--color-brand-primary);
    padding: clamp(var(--spacing-2xl), 6vw, var(--spacing-4xl));
}

.cta__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-md);
}

/* Footer */
.footer {
    background: var(--color-grayscale-000);
    padding: var(--spacing-3xl) 0;
    border-top: none;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: clamp(var(--spacing-lg), 4vw, var(--spacing-3xl));
}

.footer__left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.footer__logo {
    height: clamp(24px, 4vw, 32px);
    transition: transform var(--transition-fast);
}

.footer__logo:hover {
    transform: scale(1.05);
}

.footer__copyright {
    font-size: clamp(12px, 2.5vw, var(--bodym-font-size));
    color: var(--color-grayscale-400);
}

.footer__socials {
    display: flex;
    gap: var(--spacing-sm);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(36px, 6vw, 40px);
    height: clamp(36px, 6vw, 40px);
    background-color: var(--color-brand-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    box-shadow: none;
}

.footer__social-link:hover {
    background-color: var(--color-brand-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.footer__social-link img {
    height: clamp(16px, 3vw, 20px);
    width: clamp(16px, 3vw, 20px);
    transition: transform var(--transition-fast);
    filter: brightness(0) invert(1);
}

.footer__social-link:hover img {
    transform: scale(1.1);
}

.footer__center {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    padding-left: var(--spacing-lg);
}

.footer__nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    justify-content: flex-start;
    align-items: flex-start;
}

.footer__nav-list li a {
    text-decoration: none;
    color: var(--color-grayscale-900);
    font-size: clamp(13px, 2.5vw, var(--bodyl-font-size));
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) 0;
    display: block;
    text-align: left;
}

.footer__nav-list li a:hover {
    color: var(--color-brand-primary);
}

.footer__right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer__right h3 {
    color: var(--color-brand-primary);
    font-size: clamp(18px, 4vw, var(--h3-font-size));
    font-weight: var(--h3-font-weight);
    margin: 0;
}

.footer__right p {
    color: var(--color-grayscale-600);
    font-size: clamp(13px, 2.5vw, var(--bodym-font-size));
    line-height: 1.5;
    margin: 0;
}

.footer__form {
    display: flex;
    gap: clamp(var(--spacing-xs), 2vw, var(--spacing-sm));
    align-items: center;
}

.footer__input {
    flex: 1;
    border: 1px solid var(--color-grayscale-300);
    border-radius: 8px;
    padding: clamp(var(--spacing-xs), 2vw, var(--spacing-sm)) clamp(var(--spacing-sm), 3vw, var(--spacing-md));
    font-size: clamp(14px, 2.5vw, var(--bodyl-font-size));
    background-color: var(--color-grayscale-000);
    color: var(--color-grayscale-900);
    transition: all var(--transition-normal);
}

.footer__input:focus {
    outline: none;
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 2px rgba(26, 32, 44, 0.1);
}

.footer__input::placeholder {
    color: var(--color-grayscale-400);
}


/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    gap: 4px;
    z-index: 1001;
    position: relative;
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: var(--color-brand-primary);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Media Queries for Responsiveness */

/* Large Laptops and Desktops */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero__text h1 {
        font-size: 64px;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
    
    /* Certifications для больших экранов */
    .certifications__header {
        text-align: center;
        margin-bottom: var(--spacing-2xl);
    }
    
    .certifications__header h2 {
        font-size: 48px;
        margin-bottom: var(--spacing-lg);
    }
    
    .certifications__header p {
        font-size: 18px;
        line-height: 1.7;
        text-align: left;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
        justify-items: center;
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .certification-card__icon {
        width: 40px;
        height: 40px;
        margin: 0 auto var(--spacing-lg);
    }
    
    .certification-card__icon svg {
        width: 18px;
        height: 18px;
    }
    
    .certification-card h3 {
        font-size: 24px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card span {
        font-size: 16px;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card .button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
        width: auto;
        max-width: none;
        margin: 0 auto;
    }
    
    .button--centered {
        margin: var(--spacing-2xl) auto 0;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 18px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* FAQ для больших экранов */
    .faq {
        padding: var(--spacing-5xl) 0;
    }
    
    .faq .container {
        display: grid;
        grid-template-columns: 1fr 2fr;
        gap: var(--spacing-4xl);
    }
    
    .faq h2 {
        font-size: 48px;
        margin-bottom: var(--spacing-xl);
        text-align: left;
    }
    
    .faq__item {
        border-bottom: 1px solid var(--color-grayscale-300);
        padding: var(--spacing-xl) 0;
    }
    
    
    .faq__question h4 {
        font-size: 20px;
        font-weight: 600;
        color: var(--color-grayscale-900);
        margin: 0;
        flex: 1;
        padding-right: var(--spacing-lg);
    }
    
.faq__arrow {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-normal);
}
    
    
    .faq__answer {
        max-height: 0;
        overflow: hidden;
    }
    
    .faq__item--open .faq__answer {
        max-height: none;
    }
    
    .faq__answer p {
        font-size: 18px;
        line-height: 1.7;
        color: var(--color-grayscale-600);
        margin: var(--spacing-lg) 0 0;
        padding-right: var(--spacing-2xl);
    }
    
    /* Portfolio для больших экранов */
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-2xl);
    }
    
    .portfolio_h2 {
        font-size: 48px;
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio_description {
        font-size: 18px;
        line-height: 1.7;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 30px 0;
        margin-top: var(--spacing-xl);
    }
    
    .slider {
        overflow: visible;
        border-radius: var(--radius-lg);
        padding: 30px 10px;
    }
    
    .slider-track {
        gap: var(--spacing-lg);
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .card-small {
        width: 420px;
        height: 420px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 20px 24px 44px;
        height: 144px;
    }
    
    .card_h4 {
        font-size: 24px;
        margin-bottom: var(--spacing-sm);
    }
    
    .card_description {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .slider-buttons {
        position: absolute;
        top: 50%;
        left: 10px;
        right: 10px;
        transform: translateY(-50%);
        justify-content: space-between;
        margin: 0;
    }
    
    
    .slider-progress {
        max-width: 400px;
        margin: var(--spacing-2xl) auto;
        gap: 14px;
    }
    
    .progress-text {
        font-size: 16px;
        min-width: 60px;
    }
    
    .progress-line {
        height: 4px;
    }
    
    .button-position {
        margin: var(--spacing-2xl) auto 0;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 18px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* About Us для больших экранов */
    .about-us__wrapper {
        flex-direction: row;
        gap: var(--spacing-4xl);
        text-align: left;
    }
    
    .about-us__text {
        max-width: 50%;
    }
    
    .about-us__text h2 {
        font-size: 48px;
        margin-bottom: var(--spacing-lg);
        text-align: left;
    }
    
    .about-us__text p {
        font-size: 18px;
        line-height: 1.7;
        margin-bottom: var(--spacing-md);
    }
    
    .about-us__image-wrapper {
        max-width: 50%;
    }
    
    .about-us__image {
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: var(--radius-lg);
    }
}

/* Medium Laptops */
@media (max-width: 1199px) and (min-width: 1024px) {
    .container {
        max-width: 1140px;
        padding: 0 30px;
    }
    
    .hero__text h1 {
        font-size: 56px;
    }
    
    .hero__text p {
        font-size: 18px;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* Certifications для средних ноутбуков */
    .certifications__header {
        text-align: center;
        margin-bottom: var(--spacing-2xl);
    }
    
    .certifications__header h2 {
        font-size: 42px;
        margin-bottom: var(--spacing-lg);
    }
    
    .certifications__header p {
        font-size: 17px;
        line-height: 1.7;
        text-align: left;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
        justify-items: center;
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .certification-card__icon {
        width: 40px;
        height: 40px;
        margin: 0 auto var(--spacing-lg);
    }
    
    .certification-card__icon svg {
        width: 18px;
        height: 18px;
    }
    
    .certification-card h3 {
        font-size: 22px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card p {
        font-size: 15px;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card span {
        font-size: 15px;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card .button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        width: auto;
        max-width: none;
        margin: 0 auto;
    }
    
    .button--centered {
        margin: var(--spacing-2xl) auto 0;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 17px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* Portfolio для средних ноутбуков */
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-2xl);
    }
    
    .portfolio_h2 {
        font-size: 42px;
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio_description {
        font-size: 17px;
        line-height: 1.7;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 25px 0;
        margin-top: var(--spacing-xl);
    }
    
    .slider {
        overflow: visible;
        border-radius: var(--radius-lg);
        padding: 25px 10px;
    }
    
    .slider-track {
        gap: var(--spacing-lg);
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .card-small {
        width: 380px;
        height: 380px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 14px 18px 30px;
        height: 110px;
    }
    
    .card_h4 {
        font-size: 22px;
        margin-bottom: var(--spacing-sm);
    }
    
    .card_description {
        font-size: 15px;
        line-height: 1.6;
    }
    
    .slider-buttons {
        position: absolute;
        top: 50%;
        left: 10px;
        right: 10px;
        transform: translateY(-50%);
        justify-content: space-between;
        margin: 0;
    }
    
    
    .slider-progress {
        max-width: 380px;
        margin: var(--spacing-2xl) auto;
        gap: 12px;
    }
    
    .progress-text {
        font-size: 15px;
        min-width: 55px;
    }
    
    .progress-line {
        height: 4px;
    }
    
    .button-position {
        margin: var(--spacing-2xl) auto 0;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 17px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* About Us для средних ноутбуков */
    .about-us__wrapper {
        flex-direction: row;
        gap: var(--spacing-3xl);
        text-align: left;
    }
    
    .about-us__text {
        max-width: 50%;
    }
    
    .about-us__text h2 {
        font-size: 42px;
        margin-bottom: var(--spacing-lg);
        text-align: left;
    }
    
    .about-us__text p {
        font-size: 17px;
        line-height: 1.7;
        margin-bottom: var(--spacing-md);
    }
    
    .about-us__image-wrapper {
        max-width: 50%;
    }
    
    .about-us__image {
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: var(--radius-lg);
    }
}

/* Small Laptops */
@media (max-width: 1023px) and (min-width: 992px) {
    .container {
        max-width: 960px;
        padding: 0 25px;
    }
    
    .hero__text h1 {
        font-size: 48px;
    }
    
    .hero__text p {
        font-size: 17px;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Certifications для маленьких ноутбуков */
    .certifications__header {
        text-align: center;
        margin-bottom: var(--spacing-xl);
    }
    
    .certifications__header h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-lg);
    }
    
    .certifications__header p {
        font-size: 16px;
        line-height: 1.6;
        text-align: left;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .certification-card__icon {
        width: 40px;
        height: 40px;
        margin: 0 auto var(--spacing-md);
    }
    
    .certification-card__icon svg {
        width: 18px;
        height: 18px;
    }
    
    .certification-card h3 {
        font-size: 20px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card p {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card span {
        font-size: 14px;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card .button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 12px;
        width: auto;
        max-width: none;
        margin: 0 auto;
    }
    
    .button--centered {
        margin: var(--spacing-xl) auto 0;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 16px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* Portfolio для маленьких ноутбуков */
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-xl);
    }
    
    .portfolio_h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio_description {
        font-size: 16px;
        line-height: 1.6;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 20px 0;
        margin-top: var(--spacing-lg);
    }
    
    .slider {
        overflow: visible;
        border-radius: var(--radius-lg);
        padding: 20px 10px;
    }
    
    .slider-track {
        gap: var(--spacing-md);
        transition: transform 0.5s ease;
    }
    
    .card-small {
        width: 340px;
        height: 340px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 12px 16px 25px;
        height: 100px;
    }
    
    .card_h4 {
        font-size: 20px;
        margin-bottom: var(--spacing-sm);
    }
    
    .card_description {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .slider-buttons {
        position: absolute;
        top: 50%;
        left: 10px;
        right: 10px;
        transform: translateY(-50%);
        justify-content: space-between;
        margin: 0;
    }
    
    
    .slider-progress {
        max-width: 360px;
        margin: var(--spacing-xl) auto;
        gap: 10px;
    }
    
    .progress-text {
        font-size: 14px;
        min-width: 50px;
    }
    
    .progress-line {
        height: 4px;
    }
    
    .button-position {
        margin: var(--spacing-xl) auto 0;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 16px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* About Us для маленьких ноутбуков */
    .about-us__wrapper {
        flex-direction: row;
        gap: var(--spacing-2xl);
        text-align: left;
    }
    
    .about-us__text {
        max-width: 50%;
    }
    
    .about-us__text h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-lg);
        text-align: left;
    }
    
    .about-us__text p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
    }
    
    .about-us__image-wrapper {
        max-width: 50%;
    }
    
    .about-us__image {
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: var(--radius-lg);
    }
}

/* Medium Tablets */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero__text h1 {
        font-size: 42px;
    }
    
    .hero__text p {
        font-size: 16px;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: 15px;
        transform: translateY(-100%);
        width: 180px;
        max-height: 180px;
        padding: 12px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .header__nav.active {
        transform: translateY(0);
    }
    
    .header__nav-list {
        gap: var(--spacing-xs);
    }
    
    .header__nav-link {
        font-size: 14px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    /* About Us для средних экранов */
    .about-us__wrapper {
        flex-direction: column;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .about-us__text {
        max-width: 100%;
    }
    
    .about-us__text h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-lg);
    }
    
    .about-us__text p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
    }
    
    .about-us__image-wrapper {
        max-width: 100%;
    }
    
    .about-us__image {
        width: 100%;
        height: 300px;
        object-fit: cover;
        border-radius: var(--radius-lg);
    }
}

/* Tablets */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }
    
    .hero {
        padding-top: 150px;
    }
    
    .footer__right h3 {
        font-size: 18px;
        line-height: 1.2;
    }
    
    .footer__right p {
        font-size: 13px;
        line-height: 1.3;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: 20px;
        transform: translateY(-100%);
        width: 200px;
        background: var(--color-grayscale-000);
        z-index: 1000;
        transition: transform var(--transition-normal);
        display: flex;
        align-items: center;
        justify-content: center;
        max-height: 200px;
        padding: 15px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }

    .header__nav.active {
        transform: translateY(0);
    }

    .header__nav-list {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }

    .header__nav-link {
        font-size: 14px;
        font-weight: 500;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .hero__content,
    .about-us__wrapper,
    .cta__wrapper {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .hero__text,
    .about-us__text,
    .cta__text {
        max-width: 100%;
    }

    .hero__text h1 {
        font-size: 48px;
    }

    .slider-buttons {
        position: static;
        transform: none;
        justify-content: center;
        gap: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
        left: auto;
        right: auto;
    }

    .certifications__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .faq .container {
        grid-template-columns: 1fr;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2xl);
    }
}

/* Small Tablets and Large Phones */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding-top: 140px;
    }
    
    .footer__right h3 {
        font-size: 16px;
        line-height: 1.2;
    }
    
    .footer__right p {
        font-size: 12px;
        line-height: 1.3;
    }
    
    .hero__text h1 {
        font-size: 40px;
        line-height: 1.1;
    }
    
    .hero__text p {
        font-size: 18px;
        line-height: 1.5;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: 10px;
        transform: translateY(-100%);
        width: 160px;
        max-height: 160px;
        padding: 10px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .header__nav.active {
        transform: translateY(0);
    }
    
    .header__nav-link {
        font-size: 12px;
        padding: var(--spacing-xs);
    }
    
    .header__nav-list {
        gap: var(--spacing-xs);
    }

    .certifications__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .certification-card {
        padding: var(--spacing-lg);
    }
    
    .slider-wrapper {
        padding: 10px 0;
    }
    
    .card-small {
        width: 100%;
        max-width: 400px;
        height: 400px;
    }
    
    .slider-track {
        gap: var(--spacing-md);
    }

    .footer__nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        justify-content: flex-start;
        align-items: flex-start;
        margin-left: 0;
        padding-left: var(--spacing-md);
    }
    
    .footer__nav-list {
        gap: var(--spacing-xs);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
    }
    
    .footer__nav-list li a {
        font-size: 13px;
        padding: var(--spacing-xs) 0;
        text-align: left;
    }
}

/* Medium Phones */
@media (max-width: 640px) and (min-width: 481px) {
    .container {
        padding: 0 12px;
    }
    
    .hero__text h1 {
        font-size: 32px;
    }
    
    .hero__text p {
        font-size: 15px;
    }
    
    .footer__right h3 {
        font-size: 15px;
        line-height: 1.2;
    }
    
    .footer__right p {
        font-size: 11px;
        line-height: 1.3;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: 8px;
        transform: translateY(-100%);
        width: 140px;
        max-height: 140px;
        padding: 8px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .header__nav.active {
        transform: translateY(0);
    }
    
    .header__nav-link {
        font-size: 11px;
        padding: var(--spacing-xs);
    }
    
    .header__nav-list {
        gap: 2px;
    }
    
    .btn--header {
        font-size: 12px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .card-small {
        max-width: 350px;
        height: 350px;
    }
    
    /* About Us для больших телефонов */
    .about-us__wrapper {
        flex-direction: column;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .about-us__text {
        max-width: 100%;
    }
    
    .about-us__text h2 {
        font-size: 32px;
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .about-us__text p {
        font-size: 15px;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
        text-align: left;
    }
    
    .about-us__image-wrapper {
        max-width: 100%;
    }
    
    .about-us__image {
        width: 100%;
        height: 250px;
        object-fit: cover;
        border-radius: var(--radius-md);
    }
    
    /* Portfolio для средних экранов */
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-xl);
    }
    
    .portfolio_h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-md);
    }
    
    .portfolio_description {
        font-size: 16px;
        line-height: 1.6;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 20px 0;
        margin-top: var(--spacing-lg);
    }
    
    .slider {
        overflow: hidden;
        border-radius: var(--radius-lg);
        padding: 20px 0;
    }
    
    .slider-track {
        gap: var(--spacing-md);
        transition: transform 0.5s ease;
    }
    
    .card-small {
        width: 350px;
        height: 350px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 16px 20px 30px;
        height: 100px;
    }
    
    .card_h4 {
        font-size: 18px;
        margin-bottom: 6px;
    }
    
    .card_description {
        font-size: 14px;
        line-height: 1.4;
    }
    
    .slider-buttons {
        position: static;
        transform: none;
        justify-content: center;
        gap: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
        left: auto;
        right: auto;
    }
    
    
    .slider-progress {
        max-width: 350px;
        margin: var(--spacing-lg) auto;
        gap: var(--spacing-md);
    }
    
    .progress-text {
        font-size: 14px;
        min-width: 50px;
    }
    
    .progress-line {
        height: 4px;
    }
    
    .button-position {
        margin: var(--spacing-xl) auto 0;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 16px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* Certifications для средних экранов */
    .certifications__header {
        text-align: center;
        margin-bottom: var(--spacing-xl);
    }
    
    .certifications__header h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-md);
    }
    
    .certifications__header p {
        font-size: 16px;
        line-height: 1.6;
        text-align: left;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .certification-card__icon {
        width: 40px;
        height: 40px;
        margin: 0 auto var(--spacing-md);
    }
    
    .certification-card__icon svg {
        width: 18px;
        height: 18px;
    }
    
    .certification-card h3 {
        font-size: 20px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card p {
        font-size: 15px;
        line-height: 1.5;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card span {
        font-size: 14px;
        margin-bottom: var(--spacing-md);
    }
    
    .certification-card .button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
        width: auto;
        max-width: none;
        margin: 0 auto;
    }
    
    .button--centered {
        margin: var(--spacing-xl) auto 0;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 16px;
        width: auto;
        max-width: none;
        display: inline-block;
    }
    
    /* FAQ для средних экранов */
    .faq {
        padding: var(--spacing-4xl) 0;
    }
    
    .faq .container {
        display: grid;
        grid-template-columns: 1fr 2fr;
        gap: var(--spacing-2xl);
    }
    
    .faq h2 {
        font-size: 36px;
        margin-bottom: var(--spacing-lg);
        text-align: left;
    }
    
    .faq__item {
        border-bottom: 1px solid var(--color-grayscale-300);
        padding: var(--spacing-lg) 0;
    }
    
    
    .faq__question h4 {
        font-size: 18px;
        font-weight: 600;
        color: var(--color-grayscale-900);
        margin: 0;
        flex: 1;
        padding-right: var(--spacing-md);
    }
    
    .faq__question .faq__arrow {
        width: 24px;
        height: 24px;
    }
    
    
    .faq__answer {
        max-height: 0;
        overflow: hidden;
    }
    
    .faq__item--open .faq__answer {
        max-height: none;
    }
    
    .faq__answer p {
        font-size: 16px;
        line-height: 1.6;
        color: var(--color-grayscale-600);
        margin: var(--spacing-md) 0 0;
        padding-right: var(--spacing-xl);
    }
}

/* Small Phones */
@media (max-width: 576px) {
    .container {
        padding: 0 10px;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .footer__right h3 {
        font-size: 14px;
        line-height: 1.2;
    }
    
    .footer__right p {
        font-size: 11px;
        line-height: 1.3;
    }
    
    .hero__text h1 {
        font-size: 28px;
        line-height: 1.1;
    }
    
    .hero__text p {
        font-size: 15px;
        line-height: 1.4;
    }

    .button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--bodym-font-size);
    }

    .btn--header {
        display: none;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: 6px;
        transform: translateY(-100%);
        width: 120px;
        max-height: 120px;
        padding: 6px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .header__nav.active {
        transform: translateY(0);
    }
    
    .header__nav-link {
        font-size: 10px;
        padding: var(--spacing-xs);
    }
    
    .header__nav-list {
        gap: 2px;
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .card-small {
        width: 100%;
        max-width: 350px;
        height: 350px;
    }
    
    .card-small-content {
        padding: 15px 20px 30px;
        height: 120px;
    }
    
    .card_h4 {
        font-size: 18px;
        margin-bottom: 5px;
    }
    
    .card_description {
        font-size: 14px;
    }

    .cta__text {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .cta__form {
        flex-direction: column;
    }
    
    .slider-buttons {
        gap: var(--spacing-md);
    }
    
    .button-circle {
        width: 48px;
        height: 48px;
    }
    
    .icon-big {
        width: 20px;
        height: 20px;
    }
    
    /* Portfolio для маленьких телефонов */
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
    
    .portfolio_h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-sm);
    }
    
    .portfolio_description {
        font-size: 14px;
        line-height: 1.5;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 10px 0;
        margin-top: var(--spacing-sm);
    }
    
    .slider {
        overflow: hidden;
        border-radius: var(--radius-md);
        padding: 10px 0;
    }
    
    .slider-track {
        gap: var(--spacing-xs);
        transition: transform 0.4s ease;
    }
    
    .card-small {
        width: 300px;
        height: 300px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 12px 16px 22px;
        height: 85px;
    }
    
    .card_h4 {
        font-size: 16px;
        margin-bottom: 4px;
    }
    
    .card_description {
        font-size: 12px;
        line-height: 1.3;
    }
    
    .slider-buttons {
        position: static;
        transform: none;
        justify-content: center;
        gap: var(--spacing-sm);
        margin: var(--spacing-sm) 0;
        left: auto;
        right: auto;
    }
    
    
    .slider-progress {
        max-width: 300px;
        margin: var(--spacing-sm) auto;
        gap: var(--spacing-xs);
    }
    
    .progress-text {
        font-size: 12px;
        min-width: 42px;
    }
    
    .progress-line {
        height: 3px;
    }
    
    .button-position {
        margin: var(--spacing-sm) auto 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
        width: 100%;
        max-width: 300px;
        display: block;
    }
    
    /* About Us для маленьких телефонов */
    .about-us__wrapper {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .about-us__text {
        max-width: 100%;
    }
    
    .about-us__text h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .about-us__text p {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
        text-align: left;
    }
    
    .about-us__image-wrapper {
        max-width: 100%;
    }
    
    .about-us__image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: var(--radius-md);
    }
    
    /* Portfolio для больших телефонов */
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio_h2 {
        font-size: 32px;
        margin-bottom: var(--spacing-md);
    }
    
    .portfolio_description {
        font-size: 15px;
        line-height: 1.5;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 15px 0;
        margin-top: var(--spacing-md);
    }
    
    .slider {
        overflow: hidden;
        border-radius: var(--radius-md);
        padding: 15px 0;
    }
    
    .slider-track {
        gap: var(--spacing-sm);
        transition: transform 0.4s ease;
    }
    
    .card-small {
        width: 320px;
        height: 320px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 14px 18px 25px;
        height: 90px;
    }
    
    .card_h4 {
        font-size: 17px;
        margin-bottom: 5px;
    }
    
    .card_description {
        font-size: 13px;
        line-height: 1.3;
    }
    
    .slider-buttons {
        position: static;
        transform: none;
        justify-content: center;
        gap: var(--spacing-md);
        margin: var(--spacing-md) 0;
        left: auto;
        right: auto;
    }
    
    
    .slider-progress {
        max-width: 320px;
        margin: var(--spacing-md) auto;
        gap: var(--spacing-sm);
    }
    
    .progress-text {
        font-size: 13px;
        min-width: 45px;
    }
    
    .progress-line {
        height: 3px;
    }
    
    .button-position {
        margin: var(--spacing-md) auto 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 15px;
        width: 100%;
        max-width: 320px;
        display: block;
    }
    
    /* Certifications для больших телефонов */
    .certifications__header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .certifications__header h2 {
        font-size: 32px;
        margin-bottom: var(--spacing-md);
    }
    
    .certifications__header p {
        font-size: 15px;
        line-height: 1.5;
        text-align: left;
    }
    
    .certifications__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
        justify-items: center;
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .certification-card__icon {
        width: 36px;
        height: 36px;
        margin: 0 auto var(--spacing-sm);
    }
    
    .certification-card__icon svg {
        width: 16px;
        height: 16px;
    }
    
    .certification-card h3 {
        font-size: 18px;
        margin-bottom: var(--spacing-xs);
    }
    
    .certification-card p {
        font-size: 14px;
        line-height: 1.4;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card span {
        font-size: 13px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card .button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 12px;
        width: 100%;
        max-width: 110px;
        margin: 0 auto;
    }
    
    .button--centered {
        margin: var(--spacing-lg) auto 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 15px;
        width: 100%;
        max-width: 320px;
        display: block;
    }
}

/* Very Small Phones */
@media (max-width: 480px) and (min-width: 360px) {
    .container {
        padding: 0 8px;
    }
    
    .hero__text h1 {
        font-size: 26px;
    }
    
    .hero__text p {
        font-size: 14px;
    }
    
    .header__nav-link {
        font-size: 12px;
        padding: var(--spacing-xs);
    }
    
    .card-small {
        max-width: 320px;
        height: 320px;
    }
    
    .card-small-content {
        padding: 12px 16px 25px;
        height: 110px;
    }
    
    .card_h4 {
        font-size: 16px;
    }
    
    .card_description {
        font-size: 13px;
    }
    
    /* About Us для очень маленьких телефонов */
    .about-us__wrapper {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .about-us__text {
        max-width: 100%;
    }
    
    .about-us__text h2 {
        font-size: 26px;
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }
    
    .about-us__text p {
        font-size: 13px;
        line-height: 1.4;
        margin-bottom: var(--spacing-xs);
        text-align: left;
    }
    
    .about-us__image-wrapper {
        max-width: 100%;
    }
    
    .about-us__image {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: var(--radius-sm);
    }
}

/* Extra Small Phones */
@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }
    
    .hero__text h1 {
        font-size: 28px;
    }
    
    .hero__text p {
        font-size: 15px;
    }
    
    .card-small {
        max-width: 300px;
        height: 300px;
    }
    
    .card-small-content {
        padding: 12px 15px 25px;
        height: 100px;
    }
    
    .card_h4 {
        font-size: 16px;
    }
    
    .card_description {
        font-size: 13px;
    }
    
    .certification-card {
        padding: var(--spacing-sm);
    }
    
    .certification-card h3 {
        font-size: 18px;
    }
    
    .certification-card p {
        font-size: 14px;
    }
    
    .button-circle {
        width: 44px;
        height: 44px;
    }
    
    .icon-big {
        width: 18px;
        height: 18px;
    }
    
    /* About Us для экстра маленьких телефонов */
    .about-us__wrapper {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .about-us__text {
        max-width: 100%;
    }
    
    .about-us__text h2 {
        font-size: 24px;
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }
    
    .about-us__text p {
        font-size: 12px;
        line-height: 1.4;
        margin-bottom: var(--spacing-xs);
        text-align: left;
    }
    
    .about-us__image-wrapper {
        max-width: 100%;
    }
    
    .about-us__image {
        width: 100%;
        height: 160px;
        object-fit: cover;
        border-radius: var(--radius-sm);
    }
}

/* Ultra Small Phones - 320px */
@media (max-width: 320px) {
    .container {
        padding: 0 6px;
    }
    
    /* Header адаптация для 320px */
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .header .container {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .header__logo {
        height: 24px;
        order: 1;
    }
    
    .mobile-menu-toggle {
        display: flex;
        order: 2;
        margin-left: auto;
        z-index: 1001;
        padding: var(--spacing-xs);
    }
    
    .mobile-menu-toggle .hamburger {
        width: 20px;
        height: 2px;
    }
    
    .btn--header {
        order: 3;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 11px;
        white-space: nowrap;
        display: none; /* Скрываем кнопку телефона на 320px чтобы не мешала */
    }
    
    /* Мобильное меню для 320px - сверху */
    .header__nav {
        position: fixed;
        top: 0;
        right: 4px;
        transform: translateY(-100%);
        width: 100px;
        background: var(--color-grayscale-000);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        transition: transform var(--transition-normal);
        padding: 2px 4px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        max-height: 80px;
    }
    
    .header__nav.mobile-open {
        transform: translateY(0);
    }
    
    .header__nav-list {
        flex-direction: column;
        gap: 0px;
        align-items: center;
        width: 100%;
    }
    
    .header__nav-link {
        font-size: 7px;
        padding: 1px;
        width: 100%;
        text-align: center;
        border-radius: var(--radius-sm);
        transition: background-color var(--transition-fast);
        line-height: 1.2;
    }
    
    .header__nav-link:hover {
        background-color: var(--color-grayscale-100);
    }
    
    .header__nav-link--active {
        background-color: var(--color-brand-primary);
        color: var(--color-grayscale-000);
    }
    
    /* Hero секция для 320px */
    .hero {
        padding-top: 160px;
    }
    
    .hero__content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        padding: 0 var(--spacing-sm);
    }
    
    .hero__text {
        max-width: 100%;
        order: 2;
    }
    
    .hero__text h1 {
        font-size: 22px;
        line-height: 1.3;
        margin-bottom: var(--spacing-sm);
        word-wrap: break-word;
    }
    
    .hero__text p {
        font-size: 13px;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
        word-wrap: break-word;
    }
    
    .hero__image-wrapper {
        max-width: 100%;
        order: 1;
    }
    
    .hero__image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: var(--radius-md);
    }
    
    .button--primary, .btn--primary {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 13px;
        width: 100%;
        margin-top: var(--spacing-xs);
        max-width: 280px;
    }
    
    /* About Us секция для 320px */
    .about-us {
        padding: var(--spacing-3xl) 0;
    }
    
    .about-us__wrapper {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .about-us__text {
        order: 2;
        max-width: 100%;
    }
    
    .about-us__text h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .about-us__text p {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
        text-align: left;
    }
    
    .about-us__image-wrapper {
        order: 1;
        max-width: 100%;
    }
    
    .about-us__image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: var(--radius-md);
    }
    
    .btn--small {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        display: block;
    }
    
    /* Portfolio секция для 320px */
    .portfolio {
        padding: var(--spacing-3xl) 0;
    }
    
    .portfolio_content {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio_h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-sm);
    }
    
    .portfolio_description {
        font-size: 14px;
        line-height: 1.5;
        text-align: left;
    }
    
    .slider-wrapper {
        padding: 10px 0;
        margin-top: var(--spacing-md);
    }
    
    .slider {
        overflow: hidden;
        border-radius: var(--radius-md);
        padding: 10px 0;
    }
    
    .slider-track {
        gap: var(--spacing-sm);
        transition: transform 0.4s ease;
    }
    
    .card-small {
        width: 280px;
        height: 280px;
        flex-shrink: 0;
    }
    
    .card-small-content {
        padding: 12px 16px 20px;
        height: 80px;
    }
    
    .card_h4 {
        font-size: 16px;
        margin-bottom: 4px;
    }
    
    .card_description {
        font-size: 12px;
        line-height: 1.3;
    }
    
    .slider-buttons {
        position: static;
        transform: none;
        justify-content: center;
        gap: var(--spacing-md);
        margin: var(--spacing-md) 0;
        left: auto;
        right: auto;
    }
    
    
    .slider-progress {
        max-width: 280px;
        margin: var(--spacing-md) auto;
        gap: var(--spacing-sm);
    }
    
    .progress-text {
        font-size: 12px;
        min-width: 40px;
    }
    
    .progress-line {
        height: 3px;
    }
    
    .button-position {
        margin: var(--spacing-lg) auto 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
        width: 100%;
        max-width: 280px;
        display: block;
    }
    
    /* Certifications секция для 320px */
    .certifications {
        padding: var(--spacing-3xl) 0;
    }
    
    .certifications__header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .certifications__header h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certifications__header p {
        font-size: 14px;
        line-height: 1.5;
        text-align: left;
    }
    
    .certifications__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
        justify-items: center;
    }
    
    .certification-card {
        width: 100%;
        height: auto;
    }
    
    .certification-card__image {
        width: 100%;
        height: auto;
    }
    
    .certification-card__icon {
        width: 32px;
        height: 32px;
        margin: 0 auto var(--spacing-sm);
    }
    
    .certification-card__icon svg {
        width: 14px;
        height: 14px;
    }
    
    .certification-card h3 {
        font-size: 16px;
        margin-bottom: var(--spacing-xs);
    }
    
    .certification-card p {
        font-size: 13px;
        line-height: 1.4;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card span {
        font-size: 12px;
        margin-bottom: var(--spacing-sm);
    }
    
    .certification-card .button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 11px;
        width: 100%;
        max-width: 120px;
        margin: 0 auto;
    }
    
    .button--centered {
        margin: var(--spacing-lg) auto 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
        width: 100%;
        max-width: 280px;
        display: block;
    }
    
    /* Partners секция для 320px */
    .partners {
        padding: var(--spacing-3xl) 0;
    }
    
    .partners__header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .partners__header h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-sm);
    }
    
    .partners__header p {
        font-size: 14px;
        line-height: 1.5;
        text-align: left;
    }
    
    .partners__image-wrapper {
        height: 200px;
        width: 100%;
        margin: 0;
    }
    
    .partners__slider {
        overflow: hidden;
    }
    
    .partners__track {
        display: flex;
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .partners__slide {
        min-width: 100%;
        flex-shrink: 0;
    }
    
    .partners__buttons {
        position: static;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
    }
    
    .partners__prev,
    .partners__next {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: rgb(13, 39, 54);
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all var(--transition-normal);
    }
    
    .partners__prev:hover,
    .partners__next:hover {
        transform: translateY(-2px) scale(1.05);
        box-shadow: var(--shadow-lg);
    }
    
    .partners__prev img,
    .partners__next img {
        width: 24px;
        height: 24px;
        filter: brightness(0) invert(1);
    }
    
    .partners__overlay {
        padding: var(--spacing-lg);
    }
    
    .partners__overlay h3 {
        font-size: 20px;
        margin-bottom: var(--spacing-xs);
    }
    
    .partners__overlay p {
        font-size: 14px;
        line-height: 1.4;
    }
    
    .partners__buttons {
        position: static;
        transform: none;
        justify-content: center;
        gap: var(--spacing-md);
        margin: var(--spacing-md) 0;
        left: auto;
        right: auto;
        padding: 0;
    }
    
    .partners__progress {
        margin: var(--spacing-md) 0;
        gap: var(--spacing-sm);
    }
    
    .partners__progress-text {
        font-size: 14px;
        min-width: 50px;
    }
    
    .partners__progress-line {
        width: 150px;
        height: 3px;
    }
}



/* Partners адаптация для 320px */
@media (max-width: 320px) {
    .partners__slider {
        overflow: hidden;
        border-radius: var(--radius-lg);
        position: relative;
    }
    
    .partners__track {
        display: flex;
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        width: max-content;
    }
    
    .partners__slide {
        min-width: 100%;
        flex-shrink: 0;
    }
    
    .partners__image-wrapper {
        height: 200px;
        width: 100%;
        margin: 0;
    }
    
    .partners__buttons {
        position: static;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
    }
    
    .partners__prev,
    .partners__next {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: rgb(13, 39, 54);
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all var(--transition-normal);
    }
    
    .partners__prev:hover,
    .partners__next:hover {
        transform: translateY(-2px) scale(1.05);
        box-shadow: var(--shadow-lg);
    }
    
    .partners__prev img,
    .partners__next img {
        width: 24px;
        height: 24px;
        filter: brightness(0) invert(1);
    }
}

/* Footer адаптация для 320px */
@media (max-width: 320px) {
    .footer {
        padding: var(--spacing-2xl) 0;
    }
    
    .footer__content {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer__left {
        order: 1;
        align-items: center;
    }
    
    .footer__logo {
        height: 20px;
    }
    
    .footer__center {
        order: 2;
        justify-content: flex-start;
        align-items: flex-start;
        margin-left: 0;
        margin-top: var(--spacing-sm);
        padding-left: var(--spacing-md);
    }
    
    .footer__nav-list {
        flex-direction: column;
        gap: var(--spacing-xs);
        justify-content: flex-start;
        align-items: flex-start;
    }
    
    .footer__nav-list li a {
        font-size: 12px;
        padding: var(--spacing-xs) 0;
        text-align: left;
        line-height: 1.3;
    }
    
    .footer__right {
        order: 3;
        align-items: center;
    }
    
    .footer__right h3 {
        font-size: 10px;
        text-align: center;
        line-height: 1.1;
        margin-bottom: var(--spacing-xs);
    }
    
    .footer__right p {
        font-size: 8px;
        text-align: center;
        line-height: 1.2;
        margin-bottom: var(--spacing-xs);
    }
    
    .footer__form {
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
        max-width: 180px;
        margin: 0 auto;
        padding: 0 var(--spacing-xs);
    }
    
    .footer__input {
        padding: var(--spacing-xs);
        font-size: 9px;
        border-radius: var(--radius-sm);
    }
    
    .footer__input::placeholder {
        font-size: 9px;
    }
    
    .footer__form .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 9px;
        border-radius: var(--radius-sm);
        width: 100%;
    }
    
    .footer__socials {
        justify-content: center;
    }
    
    .footer__social-link {
        width: 32px;
        height: 32px;
    }
    
    .footer__social-link img {
        width: 14px;
        height: 14px;
    }
}

/* FAQ адаптация для 320px */
@media (max-width: 320px) {
    .faq {
        padding: var(--spacing-3xl) 0;
    }
    
    .faq .container {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .faq h2 {
        font-size: 28px;
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .faq__item {
        border-bottom: 1px solid var(--color-grayscale-300);
        padding: var(--spacing-md) 0;
    }
    
    
    .faq__question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        padding: var(--spacing-sm) 0;
    }
    
    .faq__question h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-grayscale-900);
        margin: 0;
        flex: 1;
        padding-right: var(--spacing-sm);
    }
    
    .faq__question .faq__arrow {
        width: 20px;
        height: 20px;
    }
    
    
    .faq__answer {
        max-height: 0;
        overflow: hidden;
    }
    
    .faq__item--open .faq__answer {
        max-height: none;
    }
    
    .faq__answer p {
        font-size: 14px;
        line-height: 1.5;
        color: var(--color-grayscale-600);
        margin: var(--spacing-sm) 0 0;
        padding-right: var(--spacing-lg);
    }
}