:root {
    --bg-color: #05070a;
    --bg-card: #0d1117;
    --accent-gold: #c5a059;
    --accent-gold-light: #e2c28d;
    --text-primary: #f0f0f0;
    --text-secondary: #949fb1;
    --border-color: #1a202a;
    --header-height: 80px;
    --font-serif: "Noto Serif JP", serif;
    --font-sans: "Inter", sans-serif;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-serif);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 7, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold-light);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, rgba(13, 17, 23, 0.4) 0%, rgba(5, 7, 10, 1) 100%);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noiseFilter"><feTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23noiseFilter)"/></svg>');
    opacity: 0.04;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    color: var(--accent-gold-light);
    letter-spacing: 0.05em;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 2px;
    font-family: var(--font-sans);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--accent-gold-light);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    margin-left: 16px;
}

.btn-outline:hover {
    background: rgba(197, 160, 89, 0.1);
    transform: translateY(-2px);
}

/* Page Standard Layout */
.page-header {
    padding: 160px 0 80px;
    text-align: center;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: var(--accent-gold-light);
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.card {
    background: var(--bg-card);
    padding: 48px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
}

.card h3 {
    color: var(--accent-gold-light);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

/* Footer */
footer {
    padding: 80px 0 60px;
    background: #030406;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    display: block;
}

.footer-nav ul {
    display: flex;
    gap: 32px;
}

.copyright {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    opacity: 0.6;
}

/* FAQ */
.faq-item {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.faq-q {
    color: var(--accent-gold-light);
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Mobile */
@media (max-width: 768px) {
    header {
        height: 70px;
    }

    .nav-links {
        display: none;
    }

    /* Could add hamburger here */
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .section {
        padding: 60px 0;
    }

    .footer-inner {
        flex-direction: column;
    }
}