* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { color: #ffffff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.5; -webkit-font-smoothing: antialiased; min-height: 100vh; }
body { background: #0d1117 url('/bg-mountains.jpg') center/cover no-repeat fixed; }
body::before { content: ''; position: fixed; inset: 0; background: rgba(13, 17, 23, 0.75); pointer-events: none; z-index: -1; }
body > * { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
.bg, .bg-overlay { display: none; }

.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); background: rgba(13, 17, 23, 0.7); border-bottom: 1px solid rgba(255,255,255,0.08); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.logo { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.logo span { color: #4ade80; }
.nav-links { display: flex; gap: 8px; flex-wrap: wrap; }
.nav-link { padding: 8px 14px; border-radius: 999px; font-size: 14px; color: rgba(255,255,255,0.85); border: 1px solid rgba(255,255,255,0.1); }
.nav-link.primary { background: #4ade80; color: #0d1117; font-weight: 700; border-color: #4ade80; }
.lang { display: flex; gap: 4px; }
.lang a { padding: 6px 10px; font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.5); border-radius: 6px; }
.lang a.active { color: #4ade80; background: rgba(74, 222, 128, 0.12); }

.container { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }

.breadcrumbs { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 24px; }
.breadcrumbs a:hover { color: #4ade80; }
.breadcrumbs .sep { margin: 0 6px; }

.hero { padding: 32px 0 48px; }
.hero-tag { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: #4ade80; text-transform: uppercase; margin-bottom: 12px; }
.hero h1 { font-size: clamp(36px, 6vw, 56px); font-weight: 800; letter-spacing: -1px; line-height: 1.1; margin-bottom: 16px; }
.hero p { font-size: 17px; color: rgba(255,255,255,0.75); max-width: 720px; }

.section { margin: 48px 0; }
.section h2 { font-size: 26px; font-weight: 800; margin-bottom: 20px; letter-spacing: -0.5px; }

.grid { display: grid; gap: 12px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 18px 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; transition: all 0.2s; }
.card:hover { background: rgba(74, 222, 128, 0.06); border-color: rgba(74, 222, 128, 0.3); transform: translateY(-1px); }
.card-title { font-size: 15px; font-weight: 600; }
.card-meta { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 4px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.card-arrow { color: #4ade80; font-size: 18px; }
.card .pin { color: #4ade80; margin-right: 8px; }

.city-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
@media (max-width: 900px) { .city-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 540px) { .city-grid { grid-template-columns: repeat(2, 1fr); } }
.city-tag { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 12px 16px; font-size: 14px; font-weight: 500; transition: all 0.2s; }
.city-tag:hover { background: rgba(74, 222, 128, 0.08); border-color: rgba(74, 222, 128, 0.3); color: #4ade80; }

.text-block { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 20px; padding: 28px; margin: 32px 0; }
.text-block h2 { margin-bottom: 16px; }
.text-block p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 12px; }
.text-block p:last-child { margin-bottom: 0; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-size: 15px; font-weight: 700; transition: all 0.2s; }
.btn-primary { background: #4ade80; color: #0d1117; }
.btn-primary:hover { background: #22c55e; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(74, 222, 128, 0.3); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.2); color: #ffffff; }
.btn-ghost:hover { border-color: #4ade80; color: #4ade80; }

.faq-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; padding: 18px 22px; margin-bottom: 10px; }
.faq-item summary { font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: #4ade80; font-size: 22px; font-weight: 300; }
.faq-item[open] summary::after { content: '–'; }
.faq-item p { margin-top: 12px; color: rgba(255,255,255,0.7); font-size: 14px; }

.stat-grid { display: grid; gap: 12px; margin: 24px 0; }
.stat-box { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 20px; }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.stat-value { font-size: 28px; font-weight: 800; color: #4ade80; }
.stat-value .unit { font-size: 14px; color: rgba(255,255,255,0.5); margin-left: 4px; }

.footer { border-top: 1px solid rgba(255,255,255,0.08); padding: 32px 0; margin-top: 64px; text-align: center; color: rgba(255,255,255,0.5); font-size: 13px; }
.footer a { color: rgba(255,255,255,0.7); margin: 0 8px; }
.footer a:hover { color: #4ade80; }