:root {
    /* Colors */
    --bg-dark: #0a0c0f;
    --bg-gradient: linear-gradient(135deg, #0a0c0f 0%, #1a1d24 50%, #0f1218 100%);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --gold: linear-gradient(135deg, #d4af37 0%, #f9e29c 50%, #d4af37 100%);
    --gold-solid: #d4af37;
    --gold-glow: rgba(212, 175, 55, 0.2);
    --text-main: #e8e8e8;
    --text-muted: #8a8a8a;
    --accent-blue: #4a9eff;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: clamp(60px, 10vw, 120px);
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-gradient);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Background */
.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-animated::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background:
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(74, 158, 255, 0.05) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    50% {
        transform: translate(2%, 2%) rotate(1deg);
    }
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 12, 15, 0.7);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    background: var(--gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--gold);
    color: #000;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--gold-glow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--gold-solid);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-title .highlight {
    background: var(--gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: inline-block;
    padding: 18px 48px;
    background: var(--gold);
    color: #000;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 50px var(--gold-glow);
}

/* Sections */
section {
    padding: var(--section-padding) 0;
}

.section-label {
    display: block;
    color: var(--gold-solid);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.section-desc {
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 50px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-solid);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gold);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How It Works */
.steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 700px;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-num {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #000;
    font-size: 1.2rem;
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-muted);
}

/* For Authors CTA */
.authors-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 60px;
    text-align: center;
}

.authors-section .section-title {
    max-width: 600px;
    margin: 0 auto 20px;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer a {
    color: var(--gold-solid);
    text-decoration: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding-top: 120px;
    }

    .hero-cta {
        padding: 16px 36px;
    }

    .authors-section {
        padding: 40px 24px;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}