/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #52b4bf;
    --primary-dark: #348c99;
    --primary-light: #7acbd6;
    --secondary: #f8f9fa;
    --secondary-dark: #e9ecef;
    --secondary-light: #ffffff;
    --accent: #ff6b6b;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --background: #ffffff;
    --background-light: #f8f9fa;
    --background-dark: #e9ecef;
    --border: rgba(82, 180, 191, 0.2);
    --glow: rgba(82, 180, 191, 0.4);
    --success: #28a745;
    --warning: #ffc107;
    --error: #dc3545;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(82, 180, 191, 0.1);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover .btn-glow {
    left: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.logo-pulse {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.burger div {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0 50px;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.grid-line {
    position: absolute;
    background: var(--primary);
    opacity: 0.1;
}

.grid-line:nth-child(1) {
    top: 0;
    left: 20%;
    width: 1px;
    height: 100%;
}

.grid-line:nth-child(2) {
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
}

.grid-line:nth-child(3) {
    top: 0;
    left: 80%;
    width: 1px;
    height: 100%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(82, 180, 191, 0.1);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-subline {
    display: block;
    font-size: 2rem;
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Updated Hero Visual - Static Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

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

.mockup-container {
    position: relative;
    width: 300px;
    height: 600px;
    perspective: 1000px;
}

.static-mockup {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    transform-style: preserve-3d;
    animation: mockupFloat 6s ease-in-out infinite;
    border-radius: 40px;
}

.mockup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 40px;
    pointer-events: none;
}

/* Visual Glow Effect */
.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    z-index: -1;
    opacity: 0.3;
    filter: blur(20px);
}

/* Mockup Animations */
@keyframes mockupFloat {

    0%,
    100% {
        transform: translateY(0) rotateX(0) rotateY(0);
    }

    33% {
        transform: translateY(-10px) rotateX(2deg) rotateY(1deg);
    }

    66% {
        transform: translateY(5px) rotateX(-1deg) rotateY(-1deg);
    }
}

@keyframes mockupGlow {

    0%,
    100% {
        filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    }

    50% {
        filter: drop-shadow(0 25px 50px rgba(82, 180, 191, 0.3));
    }
}

/* Hover Effects */
.mockup-container:hover .static-mockup {
    animation: mockupFloat 3s ease-in-out infinite, mockupGlow 2s ease-in-out infinite;
}

.mockup-container:hover .mockup-overlay {
    background: linear-gradient(135deg,
            transparent 0%,
            rgba(82, 180, 191, 0.2) 50%,
            transparent 100%);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section:nth-child(even) {
    background: var(--background-light);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 0.25rem;
}

.feature-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-item p {
    margin: 0;
    color: var(--text-secondary);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.3s ease;
}

.visual-card:hover {
    transform: translateY(-5px);
}

.visual-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.visual-card h4 {
    margin-bottom: 1rem;
}

.visual-card p {
    color: var(--text-secondary);
}

/* Developer Section */
.developer-content {
    display: flex;
    justify-content: center;
}

.developer-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    max-width: 800px;
    width: 100%;
}

.developer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.developer-logo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}

.developer-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.developer-tagline {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.developer-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.tech-item {
    padding: 0.5rem 1rem;
    background: rgba(82, 180, 191, 0.1);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 500;
}

.developer-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--background-light);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Version Section */
.version-content {
    display: flex;
    justify-content: center;
}

.version-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.version-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.version-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.version-status {
    padding: 0.25rem 1rem;
    background: var(--success);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.version-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

.info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.info-value {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

.version-features {
    text-align: left;
    margin-bottom: 2rem;
}

.version-features h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.version-features ul {
    list-style: none;
    padding: 0;
}

.version-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.version-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Changelog Section */
.changelog-content {
    max-width: 900px;
    margin: 0 auto;
}

.changelog-timeline {
    position: relative;
    padding-left: 0;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-date {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 10px rgba(82, 180, 191, 0.3);
}

.timeline-content h4 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.changes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.change-type {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid transparent;
}

.change-type.added {
    border-left-color: var(--success);
}

.change-type.fixed {
    border-left-color: var(--warning);
}

.change-type.removed {
    border-left-color: var(--error);
}

.change-type h5 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-primary);
}

.change-type.added h5 {
    color: var(--success);
}

.change-type.fixed h5 {
    color: var(--warning);
}

.change-type.removed h5 {
    color: var(--error);
}

.change-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.change-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.2rem;
    line-height: 1.5;
    font-size: 0.9rem;
}

.change-type.added .change-list li:before {
    content: '+';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.change-type.fixed .change-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--warning);
    font-weight: bold;
}

.change-type.removed .change-list li:before {
    content: '×';
    position: absolute;
    left: 0;
    color: var(--error);
    font-weight: bold;
}

/* Experts Section - Fixed Photo Styles */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.expert-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: auto;
}

.expert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.expert-photo {
    position: relative;
    width: 100%;
    height: 380px;
    /* Увеличена высота для полного отображения фото */
    overflow: hidden;
    background: var(--background-light);
}

.expert-photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Изменено с cover на contain */
    object-position: center top;
    /* Выравнивание по верху */
    transition: transform 0.3s ease;
}

.expert-card:hover .expert-photo img {
    transform: scale(1.03);
}

.expert-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 2;
}

.expert-info {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.expert-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.expert-role {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.expert-credentials {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.credential {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.credential i {
    color: var(--primary);
    width: 16px;
}

.expert-description {
    color: var(--text-secondary);
    font-style: italic;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    margin-top: auto;
}

/* Ambassadors Section */
.carousel-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.carousel {
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    background: white;
    border: 1px solid var(--border);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.slide-image {
    overflow: hidden;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-info {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.slide-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.slide-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.carousel-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.carousel-prev,
.carousel-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-prev:hover,
.carousel-next:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary);
}

/* Footer */
.footer {
    background: var(--background-dark);
    padding: 50px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.link-group h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}

.footer-copy {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tech-stack {
    margin-top: 0.5rem;
}

.tech-stack i {
    color: var(--primary);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader-content {
    text-align: center;
}

.tech-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
}

.spinner-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    border-top-color: var(--primary-light);
    animation-delay: 0.2s;
}

.spinner-ring:nth-child(3) {
    border-top-color: var(--primary-dark);
    animation-delay: 0.4s;
}

.preloader-text {
    color: var(--text-secondary);
}

.preloader-text .logo-text {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        gap: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .developer-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .slide-content {
        grid-template-columns: 1fr;
    }

    .slide-image {
        height: 300px;
    }

    .expert-photo {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .burger {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .title-subline {
        font-size: 1.5rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .version-info {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .experts-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .expert-photo {
        height: 320px;
    }

    .mockup-container {
        width: 280px;
        height: 560px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .title-subline {
        font-size: 1.2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .developer-card,
    .version-card {
        padding: 2rem;
    }

    .slide-info {
        padding: 2rem;
    }

    .slide-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .expert-photo {
        height: 280px;
    }

    .expert-info {
        padding: 1.5rem;
    }

    .mockup-container {
        width: 250px;
        height: 500px;
    }

    .timeline-item {
        padding: 1.5rem;
    }

    .changes-grid {
        grid-template-columns: 1fr;
    }
}

/* Additional responsive fixes for changelog */
@media (max-width: 768px) {
    .timeline-item {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .changes-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .change-type {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .timeline-item {
        padding: 1.25rem;
    }

    .timeline-date {
        font-size: 0.8rem;
        padding: 0.4rem 1.2rem;
    }

    .timeline-content h4 {
        font-size: 1.1rem;
    }
}