/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-tertiary: #f43f5e;
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #f43f5e 100%);
    --gradient-2: linear-gradient(135deg, #7c3aed 0%, #00d4ff 100%);
    --gradient-3: linear-gradient(180deg, rgba(0,212,255,0.1) 0%, transparent 50%);
    --border-color: rgba(255,255,255,0.08);
    --card-bg: rgba(255,255,255,0.03);
    --shadow-lg: 0 25px 50px -12px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(0,212,255,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

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

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

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

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

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

ul { list-style: none; }

/* ===== Utilities ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===== Cursor Glow ===== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10,10,15,0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--gradient-1);
    z-index: 10;
    transition: width 0.05s linear;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    border-radius: 8px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.nav-logo:hover .logo-img {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
    animation-play-state: paused;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

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

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.lang-toggle:hover {
    border-color: var(--accent-primary);
}

.lang-active {
    color: var(--accent-primary);
}

.lang-divider {
    color: var(--text-muted);
}

.lang-inactive {
    color: var(--text-muted);
}

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

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 999;
    padding: 100px 24px 40px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 600;
}

.mobile-cta {
    display: inline-block;
    padding: 16px 32px;
    background: var(--gradient-2);
    border-radius: 50px;
    text-align: center;
    margin-top: 20px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

#particleNetwork {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    right: -200px;
    opacity: 0.15;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    left: -150px;
    opacity: 0.12;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.08;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.title-line {
    display: block;
}

.dynamic-text {
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-subtitle strong {
    color: var(--accent-primary);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--gradient-2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

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

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

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: fadeIn 1s ease 1s both;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.5; }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== Services Section ===== */
.services {
    padding: 120px 0;
    background: var(--gradient-3);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0,212,255,0.3);
    box-shadow: var(--shadow-glow);
}

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

.service-card.featured {
    grid-row: span 2;
    background: linear-gradient(135deg, rgba(124,58,237,0.1) 0%, rgba(0,212,255,0.05) 100%);
    border-color: rgba(124,58,237,0.3);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 12px;
    background: var(--gradient-2);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-primary);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

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

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

/* ===== Portfolio Section ===== */
.portfolio {
    padding: 120px 0;
}

.portfolio-featured {
    margin-bottom: 60px;
}

.video-showcase {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.video-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient-2);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.video-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.video-info p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.video-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.video-tech span {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

.portfolio-item.large {
    grid-column: span 1;
    grid-row: span 2;
}

.portfolio-media {
    position: relative;
    height: 100%;
    min-height: 250px;
}

.portfolio-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,15,0.95) 0%, rgba(10,10,15,0.4) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-category {
    font-size: 0.8rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-overlay h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.portfolio-link svg {
    width: 16px;
    height: 16px;
}

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

/* ===== Legacy Portfolio ===== */
.portfolio-legacy {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.legacy-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.legacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.legacy-item {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.legacy-item:hover {
    border-color: rgba(0,212,255,0.3);
    transform: translateY(-4px);
}

.legacy-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
    border-radius: var(--radius-md);
}

.legacy-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-primary);
}

.legacy-content {
    flex: 1;
}

.legacy-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.legacy-content h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.legacy-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.legacy-detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    font-style: italic;
    opacity: 0.85;
}

.legacy-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.legacy-tags span {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.legacy-visit-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: var(--transition);
}

.legacy-visit-link:hover {
    background: linear-gradient(135deg, rgba(0,212,255,0.2) 0%, rgba(124,58,237,0.2) 100%);
    border-color: rgba(0,212,255,0.4);
}

.legacy-visit-link svg {
    stroke: var(--accent-primary);
    flex-shrink: 0;
}

.legacy-year {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== Trusted By Section ===== */
.trusted-by {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trusted-label {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
}

.marquee {
    overflow: hidden;
    position: relative;
    width: 100%;
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 50px;
    width: max-content;
    animation: marqueeScroll 35s linear infinite;
}

.marquee:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.333%); }
}

.trusted-logo {
    opacity: 0.4;
    transition: opacity 0.3s ease;
    flex-shrink: 0;
}

.trusted-logo:hover {
    opacity: 1;
}

.trusted-logo span {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .legacy-grid {
        grid-template-columns: 1fr;
    }
    
    .marquee-track {
        gap: 30px;
        animation-duration: 25s;
    }

    .trusted-logo span {
        font-size: 0.9rem;
    }
}

/* ===== Evolution Timeline Section ===== */
.evolution {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.timeline-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.timeline-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(0,212,255,0.3);
    box-shadow: var(--shadow-glow);
}

/* Floating Animations */
.timeline-card.float-1 {
    animation: float1 6s ease-in-out infinite;
}

.timeline-card.float-2 {
    animation: float2 7s ease-in-out infinite;
    animation-delay: 0.5s;
}

.timeline-card.float-3 {
    animation: float3 5s ease-in-out infinite;
    animation-delay: 1s;
}

.timeline-card.float-4 {
    animation: float4 6.5s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-18px); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.timeline-card:hover {
    animation-play-state: paused;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    margin: 0 auto 20px;
    box-shadow: 0 0 0 4px var(--bg-secondary), 0 0 15px currentColor;
}

.timeline-dot.blue { background: #3b82f6; color: #3b82f6; }
.timeline-dot.purple { background: #8b5cf6; color: #8b5cf6; }
.timeline-dot.pink { background: #ec4899; color: #ec4899; }
.timeline-dot.amber { background: #f59e0b; color: #f59e0b; }

.era-badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
    margin-bottom: 16px;
}

.era-badge.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.era-badge.purple { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.era-badge.pink { background: linear-gradient(135deg, #ec4899, #be185d); }
.era-badge.amber { background: linear-gradient(135deg, #f59e0b, #d97706); }

.timeline-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.era-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.era-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.era-icon:hover {
    transform: scale(1.1);
}

.era-icon svg {
    width: 40px;
    height: 40px;
    padding: 10px;
    border-radius: var(--radius-md);
}

.era-icon.blue svg { background: rgba(59, 130, 246, 0.15); fill: #3b82f6; }
.era-icon.purple svg { background: rgba(139, 92, 246, 0.15); fill: #8b5cf6; }
.era-icon.pink svg { background: rgba(236, 72, 153, 0.15); fill: #ec4899; }
.era-icon.amber svg { background: rgba(245, 158, 11, 0.15); fill: #f59e0b; }

.era-icon span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.era-icon small {
    font-size: 0.65rem;
    color: #f59e0b;
    font-weight: 600;
}

.era-icon.has-badge {
    position: relative;
}

.no-voice-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background: #ef4444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.no-voice-badge svg {
    width: 10px;
    height: 10px;
    padding: 0;
    background: none;
    fill: white;
}

.evolution-note {
    text-align: center;
    margin-top: 40px;
}

.evolution-note span {
    display: inline-block;
    padding: 12px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .timeline-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .timeline-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-card.float-1,
    .timeline-card.float-2,
    .timeline-card.float-3,
    .timeline-card.float-4 {
        animation: floatMobile 4s ease-in-out infinite;
    }
    
    @keyframes floatMobile {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-8px); }
    }
    
    .nav-right {
        display: none;
    }
}

/* ===== Process Section ===== */
.process {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.process-step {
    position: relative;
    padding: 40px 30px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.process-step:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.3;
    margin-bottom: 20px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.step-icon {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
    border-radius: 50%;
}

.step-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-primary);
}

/* ===== Testimonials Section ===== */
.testimonials {
    padding: 120px 0;
}

.testimonials-carousel {
    position: relative;
    overflow: hidden;
}

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

.testimonial-card {
    min-width: 100%;
    padding: 50px 60px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: border-color 0.3s ease, opacity 0.6s ease;
    box-sizing: border-box;
}

.testimonial-card:hover {
    border-color: rgba(0,212,255,0.3);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-dot:hover {
    border-color: var(--accent-primary);
}

.carousel-dot.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
    transform: scale(1.15);
}

.quote-icon {
    width: 40px;
    height: 40px;
    fill: var(--accent-primary);
    opacity: 0.3;
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1rem;
}

.author-info strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== About Section ===== */
.about {
    padding: 120px 0;
    background: var(--bg-secondary);
}

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

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.image-frame img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.frame-decoration {
    position: absolute;
    inset: -20px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    opacity: 0.2;
    z-index: -1;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    padding: 24px;
    background: var(--gradient-2);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
}

.badge-text {
    font-size: 0.8rem;
    opacity: 0.9;
}

.about-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.about-subtitle {
    font-size: 1.1rem;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.about-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

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

.about-tools {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.about-tools h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tools-list span {
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tools-list span:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.about-social {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.about-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    transition: var(--transition);
}

.about-social a svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
    transition: var(--transition);
}

.about-social a:hover {
    border-color: var(--accent-primary);
    background: rgba(0,212,255,0.1);
}

.about-social a:hover svg {
    fill: var(--accent-primary);
}

/* ===== Contact Section ===== */
.contact {
    padding: 120px 0;
}

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

.contact-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.contact-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-primary);
}

.contact-item a,
.contact-item span {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 18px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--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='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b6b7b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
}

.form-group select option {
    background: var(--bg-secondary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

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

/* ===== Footer ===== */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: 16px;
}

.footer-logo .logo-img {
    height: 56px;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 6px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-primary);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
}

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

/* ===== Clickable Legacy Item ===== */
.legacy-item--clickable {
    cursor: pointer;
    position: relative;
}

.legacy-item--clickable::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    opacity: 0;
    background: linear-gradient(135deg, rgba(0,212,255,0.05) 0%, rgba(124,58,237,0.05) 100%);
    transition: opacity 0.3s ease;
}

.legacy-item--clickable:hover::after {
    opacity: 1;
}

.legacy-view-gallery {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.legacy-item--clickable:hover .legacy-view-gallery {
    background: linear-gradient(135deg, rgba(0,212,255,0.2) 0%, rgba(124,58,237,0.2) 100%);
    border-color: rgba(0,212,255,0.4);
}

.legacy-view-gallery svg {
    stroke: var(--accent-primary);
    flex-shrink: 0;
}

/* ===== Lightbox Gallery ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    z-index: 10;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    color: white;
    font-size: 28px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.25);
    transform: rotate(90deg);
}

.lightbox-container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1100px;
    padding: 0 20px;
}

.lightbox-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-slides {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 70vh;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
}

.lightbox-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.lightbox-slide.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.lightbox-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-info {
    text-align: center;
    margin-top: 16px;
    position: relative;
    z-index: 2;
}

.lightbox-info h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.lightbox-info p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

.lightbox-external-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: 25px;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}

.lightbox-external-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.25);
}

.lightbox-external-link svg {
    stroke: white;
    flex-shrink: 0;
}

.lightbox-nav {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
}

.lightbox-nav:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.lightbox-nav svg {
    stroke: white;
}

.lightbox-counter {
    position: relative;
    z-index: 2;
    margin-top: 12px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 2px;
}

.lightbox-current {
    color: var(--accent-primary);
    font-weight: 700;
}

.lightbox-thumbnails {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.lightbox-thumb {
    width: 72px;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    background: none;
    opacity: 0.5;
}

.lightbox-thumb:hover {
    opacity: 0.8;
    border-color: rgba(255,255,255,0.3);
}

.lightbox-thumb.active {
    opacity: 1;
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(0,212,255,0.3);
}

.lightbox-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Lightbox responsive */
@media (max-width: 768px) {
    .lightbox-container {
        flex-direction: column;
        gap: 12px;
        padding: 0 16px;
    }

    .lightbox-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 40px;
        height: 40px;
        z-index: 10;
        background: rgba(0,0,0,0.5);
    }

    .lightbox-nav:hover {
        transform: translateY(-50%) scale(1.1);
    }

    .lightbox-prev { left: 24px; }
    .lightbox-next { right: 24px; }

    .lightbox-slides {
        aspect-ratio: auto;
        max-height: 55vh;
        min-height: 200px;
    }

    .lightbox-close {
        top: 12px;
        right: 12px;
        width: 40px;
        height: 40px;
        font-size: 24px;
    }

    .lightbox-thumb {
        width: 56px;
        height: 38px;
    }

    .lightbox-info h3 { font-size: 0.95rem; }
    .lightbox-info p { font-size: 0.75rem; }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .video-showcase { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .about-image { max-width: 400px; margin: 0 auto; }
    .contact-wrapper { grid-template-columns: 1fr; gap: 60px; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-item.large { grid-row: span 1; }
}

@media (max-width: 768px) {
    .nav-menu, .nav-cta { display: none; }
    .mobile-toggle { display: flex; }
    .mobile-menu { display: block; }
    .logo-img { height: 38px; }
    .hero { padding: 100px 24px 60px; }
    .hero-stats { gap: 30px; }
    .stat-divider { display: none; }
    .services, .portfolio, .process, .testimonials, .about, .contact { padding: 80px 0; }
    .section-header { margin-bottom: 40px; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .testimonial-card { padding: 30px 24px; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .scroll-indicator { display: none; }
}

@media (max-width: 480px) {
    html { font-size: 14px; }
    .container { padding: 0 16px; }
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .service-card { padding: 30px 24px; }
    .service-card.featured { grid-row: span 1; }
    .process-timeline { grid-template-columns: 1fr; }
    .testimonial-card { padding: 30px; }
    .footer-links { grid-template-columns: 1fr; gap: 30px; }
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Skip Link (Accessibility) ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    padding: 12px 24px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: 700;
    border-radius: var(--radius-sm);
    z-index: 10001;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 16px;
}

/* ===== Selection & Scrollbar ===== */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }