:root {
    --primary: #00d2ff;
    --primary-glow: rgba(0, 210, 255, 0.3);
    --secondary: #3a7bd5;
    --bg-dark: #0a0e14;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-main: #e0e6ed;
    --text-muted: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
    0% { box-shadow: 0 0 5px var(--primary-glow); }
    50% { box-shadow: 0 0 20px var(--primary-glow); }
    100% { box-shadow: 0 0 5px var(--primary-glow); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

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

header {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent, var(--bg-dark));
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeIn 1.2s ease-out;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--primary-glow);
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

.card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Diagram Section */
.diagram-container {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.diagram-container img {
    width: 100%;
    display: block;
}

/* Info Labels */
.info-tag {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: inline-block;
}

/* Regulations Table/List */
.reg-list {
    list-style: none;
}

.reg-item {
    margin-bottom: 2rem;
    padding-left: 2rem;
    position: relative;
}

.reg-item::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
    header { height: auto; padding: 150px 0 100px; }
}