/* ============================================
   SmarTok — Landing Page Styles
   Sleek, premium dark mode aesthetic
   ============================================ */

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

:root {
    /* Color Palette */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --bg-elevated: #22222e;
    --text-primary: #f5f5f7;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b80;
    --accent-cyan: #00f3ff;
    --accent-purple: #a855f7;
    --accent-pink: #ff4c68;
    --gradient-start: #00f3ff;
    --gradient-end: #a855f7;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 243, 255, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 120px 0;
    --container-max-width: 1200px;
    --container-padding: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.3) 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
    top: 40%;
    right: -10%;
    animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 76, 104, 0.15) 0%, transparent 70%);
    bottom: -5%;
    left: 30%;
    animation: orbFloat3 18s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(100px, 80px) scale(1.1); }
    66% { transform: translate(-50px, 120px) scale(0.9); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-80px, -60px) scale(1.15); }
    66% { transform: translate(60px, -100px) scale(0.95); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(80px, -80px) scale(1.1); }
    66% { transform: translate(-100px, 40px) scale(0.9); }
}

.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ===== NAVIGATION ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}

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

.logo-accent {
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transition: width var(--transition-base);
}

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

.nav-cta {
    padding: 10px 24px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #000 !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 243, 255, 0.3);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 120px var(--container-padding) 80px;
    overflow: hidden;
}

.hero-content {
    max-width: 720px;
    text-align: center;
    z-index: 2;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid rgba(0, 243, 255, 0.25);
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

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

.btn {
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 243, 255, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
}

.hero-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    z-index: 1;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.08) 0%, rgba(168, 85, 247, 0.05) 40%, transparent 70%);
    border-radius: 50%;
    animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.features-grid {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    background: var(--bg-elevated);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(0, 243, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    margin-bottom: 24px;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== SHOWCASE / GALLERY SECTION ===== */
.showcase-section {
    padding: var(--section-padding);
    background: var(--bg-primary);
    position: relative;
    z-index: 1;
}

.showcase-banner {
    max-width: var(--container-max-width);
    margin: 0 auto 48px;
    padding: 0 var(--container-padding);
}

.banner-img {
    width: 100%;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: var(--transition-slow);
}

.banner-img:hover {
    transform: translateY(-4px);
    box-shadow: 0 28px 80px rgba(0, 243, 255, 0.15);
}

.gallery-grid {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-slow);
    cursor: pointer;
    background: var(--bg-card);
}

.gallery-item:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--border-hover);
    box-shadow: 0 16px 40px rgba(0, 243, 255, 0.12);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Staggered delay for gallery items */
.gallery-grid .reveal:nth-child(1) { transition-delay: 0s; }
.gallery-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.gallery-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.gallery-grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.gallery-grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.gallery-grid .reveal:nth-child(6) { transition-delay: 0.40s; }
.gallery-grid .reveal:nth-child(7) { transition-delay: 0.48s; }
.gallery-grid .reveal:nth-child(8) { transition-delay: 0.56s; }

/* ===== YOUTUBE VIDEOS SECTION ===== */
.videos-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.videos-grid {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 24px;
}

.video-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-slow);
    position: relative;
}

.video-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 16px 40px rgba(0, 243, 255, 0.12);
}

.video-card iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    display: block;
}

.video-click-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    cursor: pointer;
    background: transparent;
}

.video-card-title {
    padding: 16px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--section-padding);
    background: var(--bg-primary);
    position: relative;
    z-index: 1;
}

.about-container {
    max-width: 840px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== FOOTER ===== */
.footer-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
    position: relative;
    z-index: 1;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    gap: 48px;
    flex-wrap: wrap;
}

.footer-brand {
    flex: 0 0 auto;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 12px;
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-support-link {
    display: inline-flex;
    align-items: center;
    margin-top: 16px;
    padding: 8px 16px;
    border-radius: 8px;
    background: rgba(0, 255, 170, 0.08);
    border: 1px solid rgba(0, 255, 170, 0.2);
    color: #00ffaa;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-support-link:hover {
    background: rgba(0, 255, 170, 0.15);
    border-color: rgba(0, 255, 170, 0.4);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition-base);
}

.social-link:hover {
    color: var(--accent-cyan);
    border-color: var(--border-hover);
    background: rgba(0, 243, 255, 0.08);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    gap: 64px;
    flex-wrap: wrap;
}

.footer-column h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    max-width: var(--container-max-width);
    margin: 48px auto 0;
    padding: 24px var(--container-padding) 0;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-address {
    color: var(--text-muted);
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delay for grid items */
.features-grid .reveal:nth-child(1) { transition-delay: 0s; }
.features-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.features-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.features-grid .reveal:nth-child(4) { transition-delay: 0.3s; }
.features-grid .reveal:nth-child(5) { transition-delay: 0.4s; }
.features-grid .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .about-stats {
        gap: 32px;
    }

    .footer-container {
        flex-direction: column;
    }

    .footer-links {
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

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

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

    .stat-number {
        font-size: 2rem;
    }

    .nav-logo-img {
        width: 28px;
        height: 28px;
    }

    .footer-socials {
        flex-wrap: wrap;
    }
}

/* ===== SHARED MODAL STYLES ===== */
.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-close:hover {
    background: rgba(255, 76, 104, 0.3);
    border-color: var(--accent-pink);
    transform: scale(1.1);
}

/* ===== VIDEO FEED MODAL ===== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    overflow: hidden;
}

.video-modal.active {
    display: block;
}

.video-modal-feed {
    width: 100%;
    height: 100%;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.video-modal-feed::-webkit-scrollbar {
    display: none;
}

.video-modal-slide {
    width: 100%;
    height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    position: relative;
    touch-action: pan-y;
}

.video-modal-slide iframe {
    max-width: 100%;
    max-height: 100%;
    border: none;
    border-radius: 12px;
    background: #000;
    pointer-events: none;
}

/* Transparent overlay capturing touch/swipe gestures over the iframe */
.modal-swipe-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    background: transparent;
    pointer-events: auto;
    touch-action: pan-y;
}

/* Vertical (9:16) videos — constrain by height */
.video-modal-slide iframe[data-orientation="vertical"] {
    height: 100%;
    aspect-ratio: 9 / 16;
    width: auto;
}

/* Horizontal (16:9) videos — constrain by width */
.video-modal-slide iframe[data-orientation="horizontal"] {
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16 / 9;
    height: auto;
}

.video-modal-slide-title {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    max-width: 600px;
    padding: 0 20px;
}

/* ===== IMAGE CAROUSEL MODAL ===== */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.image-modal.active {
    display: flex;
}

.carousel-track-wrapper {
    width: 100%;
    max-width: 900px;
    overflow: hidden;
    border-radius: 16px;
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.carousel-track.no-transition {
    transition: none;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 12px;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.carousel-arrow:hover {
    background: rgba(0, 243, 255, 0.2);
    border-color: var(--border-hover);
    color: var(--accent-cyan);
}

.carousel-arrow-left {
    left: 24px;
}

.carousel-arrow-right {
    right: 24px;
}

.carousel-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    padding: 0;
}

.carousel-dot.active {
    background: var(--accent-cyan);
    width: 24px;
    border-radius: 4px;
}

/* ===== MODAL RESPONSIVE ===== */
@media (max-width: 768px) {
    .carousel-arrow {
        width: 40px;
        height: 40px;
    }

    .carousel-arrow-left {
        left: 12px;
    }

    .carousel-arrow-right {
        right: 12px;
    }

    .image-modal {
        padding: 20px;
    }

    .carousel-slide img {
        max-height: 70vh;
    }

    .video-modal-slide {
        padding: 40px 10px;
    }
}

@media (max-width: 480px) {
    .carousel-arrow {
        width: 36px;
        height: 36px;
    }

    .modal-close {
        top: 12px;
        right: 12px;
    }
}

/* ===== NAV LAUNCH BUTTON ===== */
.nav-launch-btn {
    padding: 10px 24px;
    border-radius: 50px;
    background: rgba(10, 10, 15, 0.6);
    border: 1px solid #00f3ff;
    font-family: var(--font-family);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 1px;
}

.nav-launch-btn:hover {
    background: rgba(0, 243, 255, 0.08);
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.5);
    transform: translateY(-2px);
}

.launch-brand-smar {
    color: #ffffff;
    font-weight: 700;
}

.launch-brand-tok {
    color: #00f3ff;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.6);
}

/* ===== WEB APP DEMO OVERLAY ===== */
.webapp-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: none;
    flex-direction: column;
    align-items: center;
}

.webapp-overlay.active {
    display: flex;
}

.webapp-overlay iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== FLOATING EXIT BUTTON ===== */
.webapp-exit-btn {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 50px;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.webapp-exit-btn:hover {
    background: rgba(10, 10, 15, 0.8);
    border-color: rgba(0, 243, 255, 0.4);
    box-shadow: 0 4px 24px rgba(0, 243, 255, 0.2);
}

.webapp-exit-btn svg {
    color: var(--accent-cyan);
}

.webapp-overlay.active .webapp-exit-btn {
    display: flex;
}

/* Hide navbar entirely when web app demo overlay is active */
body:has(.webapp-overlay.active) #navbar {
    display: none;
}

/* ===== WEB APP DEMO RESPONSIVE ===== */
@media (max-width: 768px) {
    .webapp-exit-btn {
        top: 48px;
    }
}

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector {
    position: relative;
    display: inline-block;
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.lang-trigger:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.lang-flag {
    font-size: 1.1rem;
    line-height: 1;
}

.lang-current {
    font-size: 0.85rem;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    max-height: 320px;
    overflow-y: auto;
    background: rgba(18, 18, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 6px;
    display: none;
    flex-direction: column;
    gap: 2px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    z-index: 10000;
}

.lang-selector.open .lang-dropdown {
    display: flex;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    width: 100%;
}

.lang-option:hover {
    background: rgba(0, 243, 255, 0.08);
    color: var(--text-primary);
}

.lang-option.active {
    background: rgba(0, 243, 255, 0.12);
    color: var(--accent-cyan);
}

.lang-option .lang-flag {
    font-size: 1.2rem;
}

/* ===== RTL SUPPORT ===== */
html[dir="rtl"] body {
    text-align: right;
}

html[dir="rtl"] .nav-links {
    flex-direction: row-reverse;
}

html[dir="rtl"] .nav-container {
    flex-direction: row-reverse;
}

html[dir="rtl"] .footer-container {
    flex-direction: row-reverse;
}

html[dir="rtl"] .footer-links {
    flex-direction: row-reverse;
}

html[dir="rtl"] .lang-dropdown {
    right: auto;
    left: 0;
}

html[dir="rtl"] .hero-actions {
    flex-direction: row-reverse;
}

/* ===== LANGUAGE SELECTOR RESPONSIVE ===== */
@media (max-width: 768px) {
    .lang-trigger .lang-current {
        display: none;
    }

    .lang-trigger {
        padding: 8px 12px;
    }

    .lang-dropdown {
        right: auto;
        left: 0;
        min-width: 160px;
    }
}