:root {
    --primary: #FCD535; /* Binance Yellow */
    --primary-hover: #e6c02e;
    --bg-dark: #0B0E11; /* Deepest black */
    --bg-card: #1E2329; /* Card background */
    --text-main: #EAECEF;
    --text-muted: #848E9C;
    --border-color: rgba(255, 255, 255, 0.05);
    --glass-bg: rgba(30, 35, 41, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    width: min(1100px, calc(100% - 3rem));
    margin: 0 auto;
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--primary);
    font-weight: 800;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(252, 213, 53, 0.2);
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    display: block;
}

.logo svg, .logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 4px;
    display: block;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(252, 213, 53, 0.05) 0%, transparent 70%);
    z-index: -1;
}

.hero h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, #fff, #848E9C);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2.5rem;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(252, 213, 53, 0.3);
}

/* Step Cards */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

[id] {
    scroll-margin-top: 100px;
}

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

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

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: rgba(252, 213, 53, 0.2);
}

.step-number {
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    user-select: none;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.step-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.step-card ul, .step-card ol {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.step-card li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text-main);
}

.step-card li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
}

/* FAQ Section */
.faq-section {
    margin-top: 6rem;
}

.faq-card details {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
}

.faq-card summary {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-card summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
}

.faq-card details[open] summary::after {
    content: '−';
}

.faq-card details p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-muted);
}

/* Footer */
.site-footer {
    margin-top: 8rem;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.site-footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h2 {
        font-size: 2.5rem;
    }
}