:root {
    --primary: #0070f3;
    --primary-glow: rgba(0, 112, 243, 0.3);
    --secondary: #7928ca;
    --secondary-glow: rgba(121, 40, 202, 0.3);
    --bg: #000000;
    --text: #ffffff;
    --text-muted: #888888;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    z-index: -10;
    overflow: hidden;
}

/* Animated Mesh Gradient */
.background-overlay::before {
    content: "";
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background-image: 
        radial-gradient(circle at 20% 30%, var(--primary-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, var(--secondary-glow) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0) 0%, var(--bg) 100%);
    filter: blur(80px);
    animation: meshRotate 20s linear infinite;
    opacity: 0.6;
}

@keyframes meshRotate {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}

/* Noise Texture Overlay */
.background-overlay::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.25rem 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: padding 0.3s, background-color 0.3s;
}

nav.scrolled {
    padding: 0.8rem 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -1px;
}

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

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a.active {
    color: var(--primary);
    position: relative;
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 10vw, 6.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -3px;
    background: linear-gradient(to bottom, #fff 30%, #444 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid var(--glass-border);
    border-radius: 15px;
}

.scroll-indicator::after {
    content: "";
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollMove 2s infinite;
}

@keyframes scrollMove {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 20px); opacity: 0; }
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn.primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 112, 243, 0.4);
}

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

.btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Sections */
.section {
    padding: 8rem 0;
}

h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::after {
    content: "";
    position: absolute;
    width: 2px;
    background: var(--glass-border);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) { left: 0; }
.timeline-item:nth-child(even) { left: 50%; }

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    right: -8px;
    background: var(--primary);
    border: 4px solid var(--bg);
    border-radius: 50%;
    top: 24px;
    z-index: 10;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
}

.timeline-content {
    padding: 1.5rem;
}

.timeline-content .date {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Custom Cursor */
#custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: screen;
    filter: blur(5px);
    transition: transform 0.1s ease-out, opacity 0.3s;
    opacity: 0;
}

/* Footer & Socials */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
    margin-bottom: 3rem;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
}

.social-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: 1fr; }
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item:nth-child(even) { left: 0%; }
    .timeline-dot { left: 23px; right: auto; }
    .footer-content { flex-direction: column; gap: 2rem; text-align: center; align-items: center; }
}

/* Reveal Animation */
.glass-card, .timeline-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Staggered delays for grid items */
.grid > .glass-card:nth-child(1) { transition-delay: 0.1s; }
.grid > .glass-card:nth-child(2) { transition-delay: 0.2s; }
.grid > .glass-card:nth-child(3) { transition-delay: 0.3s; }

.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }