/* ============================================
   TAYGAN LANDING PAGE - MODERN STYLES
   ============================================ */

:root {
    --primary: #ff4500;
    --primary-dark: #cc3700;
    --primary-light: #ff6a33;
    --secondary: #ff8c00;
    --accent: #ffa500;
    
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --bg-card: #1a1a1a;
    --bg-overlay: rgba(10, 10, 10, 0.95);
    
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    
    --gradient-fire: linear-gradient(135deg, #ff4500 0%, #ff8c00 50%, #ffa500 100%);
    
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(255, 69, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   LOADING SCREEN
   ============================================ */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    position: relative;
    text-align: center;
}

.loading-circle {
    stroke-dasharray: 220;
    stroke-dashoffset: 220;
    animation: loading-spin 2s ease-in-out infinite;
}

@keyframes loading-spin {
    0%, 100% { stroke-dashoffset: 220; }
    50% { stroke-dashoffset: 0; }
}

.loading-text {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 900;
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    letter-spacing: 2px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: rgba(10, 10, 10, 0.95);  /* ← Только это меняем! */
    backdrop-filter: blur(20px);         /* ← Добавляем blur */
}

.navbar.scrolled {
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 3px;
    line-height: 1;
}

.logo-subtitle {
    font-size: 10px;
    letter-spacing: 4px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s;
}

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

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

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

.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-burger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.nav-burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.nav-burger.active span:nth-child(2) {
    opacity: 0;
}

.nav-burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 20px 80px;
}

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

.gradient-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 69, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 140, 0, 0.15) 0%, transparent 50%);
    /* var(--bg-darker) убран — перекрывал видео */
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 69, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 69, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 69, 0, 0.1);
    border: 1px solid rgba(255, 69, 0, 0.3);
    border-radius: 30px;
    margin-bottom: 30px;
    animation: fade-in 1s ease 0.2s backwards;
}

.badge-icon {
    font-size: 20px;
}

.badge-text {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.title-line {
    display: block;
    animation: title-reveal 1s ease backwards;
}

.title-line:nth-child(1) { animation-delay: 0.4s; }
.title-line:nth-child(2) { animation-delay: 0.6s; }
.title-line:nth-child(3) { animation-delay: 0.8s; }

.title-line.highlight {
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 30px rgba(255, 69, 0, 0.5));
}

@keyframes title-reveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

@keyframes wordAppear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 400;
    margin-bottom: 40px;
    line-height: 1.6;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
    animation: fade-in 1s ease 1s backwards;
}

.hero-subtitle .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(12px);
    animation: wordAppear 0.5s ease forwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fade-in 1s ease 1.2s backwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
    animation: fade-in 1s ease 1.4s backwards;
}

.stat-card {
    background: rgba(255, 69, 0, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.2);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 69, 0, 0.1);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-fire);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(255, 69, 0, 0.5);
}

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

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

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

/* ============================================
   SCROLL INDICATOR
   ============================================ */

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: fade-in 1s ease 1.6s backwards;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--primary);
    border-radius: 15px;
    position: relative;
    animation: mouse-float 2s ease-in-out infinite;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--primary);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: wheel-scroll 2s ease-in-out infinite;
}

@keyframes mouse-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes wheel-scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 22px; }
}

.scroll-indicator span {
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 80px;
}

.section-tag {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    display: block;
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.section-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    background: var(--bg-darker);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-text {
    margin: 30px 0 40px;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-text strong {
    color: var(--primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-item {
    background: rgba(255, 69, 0, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.1);
    padding: 30px;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary);
    background: rgba(255, 69, 0, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.feature-item h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.visual-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 69, 0, 0.2);
    padding: 30px;
    text-align: center;
}

.visual-card.main-card {
    background: linear-gradient(135deg, rgba(255, 69, 0, 0.1) 0%, rgba(26, 26, 26, 1) 100%);
}

.card-content h3 {
    font-family: var(--font-display);
    font-size: 18px;
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-fire);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    transition: width 1.5s ease;
}

.progress-label {
    font-size: 12px;
    font-weight: 700;
    color: white;
}

.progress-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.card-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.card-value {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 900;
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.card-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   3D MODEL SECTION
   ============================================ */

.model-section {
    background: var(--bg-dark);
    position: relative;
}

.model-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 69, 0, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.model-viewer-wrapper {
    position: relative;
    margin-bottom: 60px;
}

.model-container {
    width: 100%;
    height: 700px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 69, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.model-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.model-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.placeholder-icon {
    font-size: 80px;
    opacity: 0.3;
}

.model-placeholder h3 {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--text-secondary);
}

.model-placeholder p {
    color: var(--text-muted);
    max-width: 400px;
    text-align: center;
}

.model-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background: rgba(10, 10, 10, 0.9);
    padding: 15px;
    border-radius: 50px;
    border: 1px solid rgba(255, 69, 0, 0.3);
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 69, 0, 0.1);
    border: 1px solid rgba(255, 69, 0, 0.3);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.model-info {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 69, 0, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.1);
}

.info-item {
    display: flex;
    gap: 10px;
    font-size: 14px;
}

.info-label {
    color: var(--text-muted);
}

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

.model-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-box {
    background: var(--bg-card);
    border: 1px solid rgba(255, 69, 0, 0.1);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
}

.feature-box:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-box .feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-box h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 15px;
}

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

/* ============================================
   APP SECTION
   ============================================ */

.app-section {
    background: var(--bg-darker);
}

.app-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.app-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 30px 0 40px;
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.app-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.app-feature .feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-text h4 {
    font-family: var(--font-display);
    font-size: 18px;
    margin-bottom: 8px;
}

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

.app-download {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: rgba(255, 69, 0, 0.1);
    border: 1px solid rgba(255, 69, 0, 0.3);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.download-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.download-btn svg {
    width: 32px;
    height: 32px;
}

.download-btn div {
    display: flex;
    flex-direction: column;
}

.download-label {
    font-size: 11px;
    color: var(--text-secondary);
}

.download-store {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
}

.qr-code {
    display: inline-block;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 69, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.qr-icon {
    font-size: 40px;
}

.qr-placeholder p {
    font-size: 11px;
    text-align: center;
    color: var(--text-muted);
    line-height: 1.4;
}

.phone-frame {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 9/19;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 25px;
    background: #1a1a1a;
    border-radius: 0 0 15px 15px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    border-radius: 30px;
    overflow: hidden;
}

.app-preview {
    width: 100%;
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 69, 0, 0.2);
}

.preview-logo {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 900;
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.preview-nav {
    display: flex;
    gap: 8px;
}

.nav-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

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

.preview-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow: hidden;
}

.preview-card {
    background: rgba(255, 69, 0, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.2);
    padding: 15px;
    display: flex;
    gap: 15px;
}

.card-image {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff4500 0%, #ff8c00 100%);
    border-radius: 8px;
    flex-shrink: 0;
}

.card-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.text-line {
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.text-line.short {
    width: 60%;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    background: rgba(255, 69, 0, 0.05);
    border: 1px solid rgba(255, 69, 0, 0.1);
    padding: 30px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--primary);
    background: rgba(255, 69, 0, 0.1);
}

.contact-card .contact-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-card p,
.contact-card a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    line-height: 1.6;
}

.contact-card a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 69, 0, 0.1);
    border: 1px solid rgba(255, 69, 0, 0.2);
    color: var(--text-primary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid rgba(255, 69, 0, 0.1);
    padding: 50px;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

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

.form-input {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-body);
    font-size: 15px;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 69, 0, 0.2);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.1);
}

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

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-darker);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 69, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-text {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 14px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--primary);
}

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: var(--gradient-fire);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-overlay);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 40px;
        gap: 30px;
        transition: right 0.4s;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-burger {
        display: flex;
    }
    
    .about-grid,
    .app-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .features-grid,
    .visual-grid,
    .model-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .model-controls {
        flex-wrap: wrap;
        width: calc(100% - 40px);
    }
    
    .control-btn span {
        display: none;
    }
    
    .app-download {
        flex-direction: column;
    }
    
    .download-btn {
        width: 100%;
    }
}