/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a24;
    --color-surface: #1e1e2a;
    --color-surface-hover: #252532;
    --color-border: #2a2a3a;
    --color-border-light: #3a3a4a;
    
    --color-text: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6a6a7a;
    
    --color-primary: #8B5CF6;
    --color-primary-dark: #7C3AED;
    --color-secondary: #EC4899;
    --color-accent: #06B6D4;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06B6D4 0%, #8B5CF6 100%);
    --gradient-bg: linear-gradient(180deg, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --container-max: 1280px;
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===== Container ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-normal);
    border: none;
    cursor: pointer;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--color-text);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-primary);
}

.btn-telegram {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(0, 136, 204, 0.1);
    color: #0088CC;
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 136, 204, 0.3);
    transition: all var(--transition-fast);
}

.btn-telegram:hover {
    background: rgba(0, 136, 204, 0.2);
    border-color: #0088CC;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

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

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    border-bottom-color: var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    padding: 24px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 32px;
}

.mobile-nav-links li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-links a {
    display: block;
    padding: 16px 0;
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.mobile-nav-links a:hover {
    color: var(--color-primary);
}

.mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(139, 92, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: linear-gradient(to bottom, black, transparent 80%);
    -webkit-mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== Services Section ===== */
.services {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.service-card-featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-color: rgba(139, 92, 246, 0.3);
}

.service-icon {
    margin-bottom: 24px;
}

.service-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-description {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 24px;
}

.service-features li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 12px;
}

/* ===== About Section ===== */
.about {
    padding: var(--section-padding) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.about-feature {
    display: flex;
    gap: 16px;
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: var(--color-text-muted);
}

.about-image-wrapper {
    position: relative;
}

.code-window {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }

.code-title {
    margin-left: auto;
    font-size: 13px;
    color: var(--color-text-muted);
}

.code-content {
    padding: 24px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content .keyword { color: #C792EA; }
.code-content .class-name { color: #FFCB6B; }
.code-content .function { color: #82AAFF; }
.code-content .param { color: #F07178; }
.code-content .string { color: #C3E88D; }

/* ===== Industries Section ===== */
.industries {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.industry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.industry-icon {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.industry-card:hover .industry-icon {
    color: var(--color-primary);
}

.industry-card span {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* ===== Cases Section ===== */
.cases {
    padding: var(--section-padding) 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.case-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.case-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.case-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-overlay {
    position: absolute;
    top: 16px;
    left: 16px;
}

.case-tag {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-primary);
}

.case-content {
    padding: 24px;
}

.case-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.case-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tech span {
    padding: 4px 10px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ===== CTA Section ===== */
.cta {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 700;
    margin-bottom: 16px;
    white-space: nowrap;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Contact Section ===== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-description {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-method:hover {
    border-color: var(--color-primary);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.method-text {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.method-value {
    font-size: 16px;
    font-weight: 500;
}

.contact-form-wrapper {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 14px 16px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236a6a7a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--color-surface);
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 24px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-description {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-text);
}

.footer-social h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .service-card-featured {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }
    
    .container {
        padding: 0 16px;
    }
    
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
        margin-bottom: 16px;
    }
    
    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 32px;
    }
    
    .hero-stats {
        gap: 24px;
        margin-bottom: 0;
    }
    
    .stat-value {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .service-card {
        padding: 24px;
    }
    
    .service-title {
        font-size: 18px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .case-image {
        height: 180px;
    }
    
    .about-description {
        font-size: 16px;
    }
    
    .about-features {
        gap: 16px;
    }
    
    .code-window {
        font-size: 12px;
    }
    
    .code-content {
        padding: 16px;
        font-size: 12px;
        line-height: 1.6;
    }
    
    .cta-title {
        font-size: 24px;
    }
    
    .cta-subtitle {
        font-size: 15px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .hero {
        padding: 100px 0 48px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 12px;
        margin-bottom: 40px;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }
    
    .hero-stats {
        gap: 16px;
        flex-direction: row;
    }
    
    .stat {
        flex: 1;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-actions > * {
        width: 100%;
        justify-content: center;
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .industry-card {
        padding: 16px 12px;
    }
    
    .industry-card span {
        font-size: 12px;
    }
    
    .contact-method {
        padding: 12px;
    }
    
    .method-icon {
        width: 40px;
        height: 40px;
    }
    
    .method-value {
        font-size: 14px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .social-links {
        justify-content: flex-start;
    }
    
    .mobile-menu {
        top: 64px;
        padding: 20px 16px;
    }
    
    .mobile-nav-links a {
        font-size: 18px;
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    will-change: opacity, transform;
}

.animate-on-scroll.animate-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .animate-fade-in-up {
        animation: none;
        opacity: 1;
    }
}

/* ===== Touch & Interaction Improvements ===== */
@media (hover: none) and (pointer: coarse) {
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none;
    }
    
    .service-card:hover,
    .case-card:hover,
    .industry-card:hover {
        transform: none;
    }
    
    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.98);
    }
    
    .service-card:active,
    .case-card:active {
        transform: scale(0.99);
    }
}

/* ===== Improved Focus States ===== */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-telegram:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Safe Area Support for Notched Devices ===== */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer {
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }
    
    .mobile-menu {
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }
}

/* ===== Selection ===== */
::selection {
    background: rgba(139, 92, 246, 0.3);
    color: var(--color-text);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}