:root {
    --bg-color: #030305;
    --text-color: #f0f0f5;
    --accent: #a020f0;
    --accent-glow: rgba(160, 32, 240, 0.5);
    --glass-bg: rgba(20, 20, 25, 0.4);
    --glass-border: rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: transform 0.3s ease, background 0.3s ease;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #fff 0%, #b8860b 100%);
    background: linear-gradient(135deg, #ffffff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-links a:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--accent-glow);
}

/* Hero Section */
.hero {
    height: 200vh;
    position: relative;
    background: radial-gradient(circle at center, #150a21 0%, var(--bg-color) 70%);
}

.hero-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 12vw, 10rem);
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 0.9;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.highlight {
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
    position: relative;
}

.highlight::before {
    content: 'Trance';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    -webkit-text-stroke: 0;
    width: var(--scroll-width, 0%);
    overflow: hidden;
    text-shadow: 0 0 30px var(--accent-glow);
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 3rem;
    text-transform: uppercase;
    animation: fadeIn 2s ease forwards;
    animation-delay: 1.5s;
    opacity: 0;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.4);
    opacity: 0;
    animation: fadeInBounce 2s infinite, fadeIn 1s forwards;
    animation-delay: 2s;
}

@keyframes fadeInBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-15px) translateX(-50%); }
    60% { transform: translateY(-7px) translateX(-50%); }
}

/* Video Section Overlay */
.overlay-text, .overlay-btn {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.overlay-text.active {
    opacity: 1;
    transform: translateY(0);
}

.overlay-btn.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Enter Trance Button */
.enter-btn {
    display: inline-block;
    padding: 1.5rem 3.5rem;
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: #ffffff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #ffffff;
    border-radius: 50px;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.enter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.enter-btn:hover {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.4);
    transform: translateY(-5px);
}

.enter-btn:hover::before {
    left: 100%;
}

/* Fade in utilities */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* simple mobile fallback */
    }
}