/* ─── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: #0D1117; color: #F0EBE3; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gold { color: #D4A857; }
.purple { color: #A371F7; }

/* ─── Navbar ──────────────────────────────────────── */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(13,17,23,0.85); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-content { display: flex; align-items: center; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; }
.logo-icon { font-size: 24px; }
.logo-text { color: #D4A857; }
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-links a { font-size: 14px; font-weight: 500; color: #8B949E; transition: color 0.2s; }
.nav-links a:hover { color: #F0EBE3; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 22px; height: 2px; background: #F0EBE3; border-radius: 2px; transition: 0.3s; }

/* ─── Buttons ─────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 12px; font-size: 14px; font-weight: 600; transition: all 0.2s; cursor: pointer; border: none; }
.btn-gold { background: linear-gradient(135deg, #D4A84B, #B8860B); color: #0D1117; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,168,87,0.3); }
.btn-outline { border: 1.5px solid #D4A857; color: #D4A857; background: transparent; }
.btn-outline:hover { background: rgba(212,168,87,0.08); }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 10px; }

/* ─── Section Headers ─────────────────────────────── */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-header h2 { font-size: 36px; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.5px; line-height: 1.2; }
.section-header p { font-size: 16px; color: #8B949E; line-height: 1.7; }
.section-badge { display: inline-block; padding: 6px 14px; background: rgba(212,168,87,0.1); border: 1px solid rgba(212,168,87,0.2); border-radius: 20px; font-size: 12px; font-weight: 600; color: #D4A857; letter-spacing: 0.5px; margin-bottom: 16px; }

/* ─── Hero ─────────────────────────────────────────── */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 80px; overflow: hidden; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at 30% 50%, rgba(212,168,87,0.08) 0%, transparent 60%), radial-gradient(circle at 70% 30%, rgba(163,113,247,0.06) 0%, transparent 50%); }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.badge { display: inline-block; padding: 8px 16px; background: rgba(63,185,80,0.1); border: 1px solid rgba(63,185,80,0.2); border-radius: 20px; font-size: 13px; font-weight: 600; color: #3FB950; margin-bottom: 20px; }
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px; }
.hero-subtitle { font-size: 17px; color: #8B949E; line-height: 1.7; margin-bottom: 32px; max-width: 520px; }
.hero-buttons { display: flex; gap: 14px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 28px; font-weight: 800; color: #D4A857; }
.stat-label { font-size: 13px; color: #8B949E; }

/* ─── Phone Mockup ────────────────────────────────── */
.phone-mockup { width: 280px; margin: 0 auto; background: #161B22; border-radius: 36px; padding: 12px; border: 2px solid rgba(255,255,255,0.08); box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 80px rgba(212,168,87,0.08); }
.phone-screen { background: #0D1117; border-radius: 26px; padding: 16px; min-height: 480px; display: flex; flex-direction: column; }
.screen-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.app-title { font-size: 16px; font-weight: 700; color: #D4A857; }
.app-badge { font-size: 8px; font-weight: 700; color: #8B949E; letter-spacing: 2px; }
.screen-search { background: #1C2333; border-radius: 10px; padding: 10px 14px; font-size: 12px; color: #8B949E; margin-bottom: 14px; }
.screen-categories { display: flex; gap: 6px; margin-bottom: 14px; overflow: hidden; }
.cat { padding: 6px 10px; background: #1C2333; border-radius: 8px; font-size: 10px; white-space: nowrap; }
.screen-products { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; flex: 1; }
.mini-product { background: #161B22; border-radius: 12px; overflow: hidden; }
.mp-img { height: 80px; background: linear-gradient(135deg, #1C2333, #2D333B); }
.mp-price { padding: 8px; font-size: 12px; font-weight: 700; color: #D4A857; }
.screen-nav { display: flex; justify-content: space-around; padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.05); margin-top: 10px; font-size: 16px; }

/* ─── Features ────────────────────────────────────── */
.features { padding: 100px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { padding: 32px; background: #161B22; border-radius: 20px; border: 1px solid rgba(255,255,255,0.04); transition: all 0.3s; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(212,168,87,0.2); box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.feature-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: #8B949E; line-height: 1.6; }

/* ─── How It Works ────────────────────────────────── */
.how-it-works { padding: 100px 0; background: #161B22; }
.steps { display: flex; align-items: center; justify-content: center; gap: 24px; }
.step { text-align: center; max-width: 280px; padding: 32px 24px; background: #0D1117; border-radius: 20px; border: 1px solid rgba(255,255,255,0.04); }
.step-num { width: 48px; height: 48px; background: linear-gradient(135deg, #D4A84B, #B8860B); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; color: #0D1117; margin: 0 auto 16px; }
.step h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 13px; color: #8B949E; line-height: 1.6; }
.step-arrow { font-size: 28px; color: #D4A857; }

/* ─── AI Section ──────────────────────────────────── */
.ai-section { padding: 100px 0; }
.ai-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.ai-card { padding: 18px 20px; background: #161B22; border-radius: 14px; border: 1px solid rgba(163,113,247,0.1); font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 10px; transition: all 0.2s; }
.ai-card:hover { border-color: rgba(163,113,247,0.3); background: rgba(163,113,247,0.04); }
.ai-card span { font-size: 20px; }

/* ─── Services ────────────────────────────────────── */
.services-section { padding: 100px 0; background: #161B22; }
.services-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.service-card { text-align: center; padding: 28px 16px; background: #0D1117; border-radius: 16px; border: 1px solid rgba(163,113,247,0.08); transition: all 0.2s; }
.service-card:hover { border-color: rgba(163,113,247,0.3); transform: translateY(-2px); }
.service-card span { font-size: 32px; display: block; margin-bottom: 10px; }

/* ─── Safety ──────────────────────────────────────── */
.safety { padding: 100px 0; }
.safety-card { background: linear-gradient(135deg, rgba(212,168,87,0.06), rgba(63,185,80,0.04)); border: 1px solid rgba(212,168,87,0.15); border-radius: 24px; padding: 56px 48px; }
.safety-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 40px; }
.safety-item { display: flex; gap: 16px; }
.safety-icon { width: 48px; height: 48px; background: rgba(212,168,87,0.1); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; flex-shrink: 0; }
.safety-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.safety-item p { font-size: 13px; color: #8B949E; line-height: 1.6; }

/* ─── Sellers ─────────────────────────────────────── */
.sellers { padding: 100px 0; background: #161B22; }
.seller-benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 40px; }
.benefit { padding: 28px; background: #0D1117; border-radius: 18px; border: 1px solid rgba(255,255,255,0.04); }
.benefit h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.benefit p { font-size: 14px; color: #8B949E; line-height: 1.6; }
.cta-center { text-align: center; }

/* ─── Download ────────────────────────────────────── */
.download { padding: 100px 0; }
.download-card { background: linear-gradient(135deg, rgba(212,168,87,0.08), rgba(163,113,247,0.06)); border: 1px solid rgba(212,168,87,0.15); border-radius: 24px; padding: 56px; text-align: center; }
.download-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 8px; }
.download-content p { color: #8B949E; margin-bottom: 28px; font-size: 16px; }
.download-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.store-btn { display: flex; align-items: center; gap: 12px; padding: 14px 28px; background: #F0EBE3; color: #0D1117; border-radius: 14px; font-size: 14px; transition: all 0.2s; }
.store-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.store-btn small { font-size: 10px; display: block; opacity: 0.7; }
.store-btn strong { display: block; font-size: 16px; }
.store-btn.disabled { opacity: 0.5; pointer-events: none; }
.store-btn svg { width: 28px; height: 28px; }

/* ─── Footer ──────────────────────────────────────── */
.footer { padding: 60px 0 32px; border-top: 1px solid rgba(255,255,255,0.04); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 13px; color: #8B949E; margin-top: 12px; line-height: 1.6; max-width: 280px; }
.footer-links h4 { font-size: 14px; font-weight: 700; margin-bottom: 14px; color: #D4A857; }
.footer-links a { display: block; font-size: 13px; color: #8B949E; margin-bottom: 8px; transition: color 0.2s; }
.footer-links a:hover { color: #F0EBE3; }
.footer-location { font-size: 13px; color: #8B949E; margin-top: 8px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.04); font-size: 13px; color: #484F58; }

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
    .nav-links { display: none; position: fixed; top: 64px; left: 0; right: 0; background: #0D1117; flex-direction: column; padding: 24px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
    .nav-links.active { display: flex; }
    .menu-toggle { display: flex; }
    .hero-content { grid-template-columns: 1fr; text-align: center; gap: 32px; }
    .hero h1 { font-size: 32px; }
    .hero-subtitle { font-size: 15px; margin: 0 auto 24px; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { order: -1; }
    .phone-mockup { width: 220px; }
    .phone-screen { min-height: 360px; }
    .features-grid { grid-template-columns: 1fr; }
    .steps { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .ai-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .safety-card { padding: 32px 20px; }
    .safety-grid { grid-template-columns: 1fr; }
    .seller-benefits { grid-template-columns: 1fr; }
    .download-card { padding: 32px 20px; }
    .section-header h2 { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}