:root {
    --bg-color: #ffffff;
    --text-primary: #111111;
    --text-secondary: #777777;
    --accent: #000000;
    --border-light: #eeeeee;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-serif: "Playfair Display", Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-color); color: var(--text-primary); font-family: var(--font-sans); line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: opacity 0.3s ease; }
a:hover { opacity: 0.6; }
ul { list-style: none; }

/* Navigation */
.nav { padding: 40px 8%; display: flex; justify-content: space-between; align-items: center; position: absolute; top: 0; width: 100%; z-index: 10; }
.nav-brand { font-family: var(--font-serif); font-size: 28px; font-weight: 700; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 40px; }
.nav-links a { font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; color: var(--text-primary); }
.nav-btn { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; padding: 12px 24px; border: 1px solid var(--accent); border-radius: 40px; }
.nav-btn:hover { background-color: var(--accent); color: var(--bg-color); opacity: 1; }

/* Hero */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 120px 8% 80px; }
.hero h1 { font-family: var(--font-serif); font-size: 80px; font-weight: 400; line-height: 1.1; margin-bottom: 40px; max-width: 900px; letter-spacing: -2px; }
.hero p { font-size: 20px; color: var(--text-secondary); max-width: 600px; margin: 0 auto 60px; font-weight: 300; }
.btn-group { display: flex; gap: 20px; justify-content: center; }
.btn { padding: 18px 40px; border-radius: 40px; font-size: 14px; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; cursor: pointer; border: 1px solid var(--accent); transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.btn-primary { background: var(--accent); color: var(--bg-color); }
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-secondary { background: transparent; color: var(--accent); }
.btn-secondary:hover { background: var(--accent); color: var(--bg-color); }

/* Stats */
.stats { display: flex; justify-content: center; gap: 100px; padding: 100px 8%; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); flex-wrap: wrap; }
.stat-box { text-align: center; }
.stat-box h3 { font-family: var(--font-serif); font-size: 48px; font-weight: 400; margin-bottom: 16px; }
.stat-box p { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 2px; }

/* Layout Containers */
.section-wrapper { padding: 160px 8%; max-width: 1400px; margin: 0 auto; }
.section-title { font-family: var(--font-serif); font-size: 48px; font-weight: 400; margin-bottom: 80px; text-align: center; }

/* About */
.about-panel { max-width: 800px; margin: 0 auto; text-align: center; }
.about-panel p { font-size: 22px; color: var(--text-secondary); line-height: 2; margin-bottom: 40px; font-weight: 300; }

/* Feature Grid */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 80px 40px; }
.feat-card { text-align: center; }
.feat-num { font-family: var(--font-serif); font-size: 24px; color: var(--border-light); margin-bottom: 24px; display: block; }
.feat-card h3 { font-size: 18px; font-weight: 500; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.feat-card p { font-size: 15px; color: var(--text-secondary); font-weight: 300; line-height: 1.8; }

/* Img showcase */
.img-showcase { margin: 100px 0; border-radius: 20px; overflow: hidden; }
.img-showcase img { width: 100%; display: block; filter: grayscale(20%); transition: filter 0.8s ease; }
.img-showcase:hover img { filter: grayscale(0%); }

/* Guide */
.guide-list { max-width: 900px; margin: 0 auto; }
.guide-item { display: flex; align-items: baseline; gap: 40px; padding: 60px 0; border-bottom: 1px solid var(--border-light); }
.guide-item:last-child { border-bottom: none; }
.guide-num { font-family: var(--font-serif); font-size: 64px; font-weight: 400; color: var(--text-secondary); line-height: 1; min-width: 100px; }
.guide-info h3 { font-size: 20px; font-weight: 500; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.guide-info p { font-size: 16px; color: var(--text-secondary); font-weight: 300; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { padding: 40px 0; border-bottom: 1px solid var(--border-light); }
.faq-item:last-child { border-bottom: none; }
.faq-q { font-size: 18px; font-weight: 500; margin-bottom: 16px; color: var(--text-primary); }
.faq-a { font-size: 15px; color: var(--text-secondary); font-weight: 300; }

/* Footer */
.footer { padding: 100px 8% 60px; border-top: 1px solid var(--border-light); text-align: center; }
.footer-brand { font-family: var(--font-serif); font-size: 32px; font-weight: 700; margin-bottom: 40px; }
.footer-links { display: flex; justify-content: center; gap: 40px; margin-bottom: 60px; flex-wrap: wrap; }
.footer-links a { font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; color: var(--text-secondary); }
.footer-copy { font-size: 12px; color: #aaaaaa; text-transform: uppercase; letter-spacing: 1px; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 48px; }
    .stats { gap: 40px; }
    .guide-item { flex-direction: column; gap: 20px; }
}