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var(--line)}.nav-content{justify-content:space-between;height:72px}.logo,.nav-content{display:flex;align-items:center}.logo{gap:12px;font-size:1.4rem;font-weight:850;letter-spacing:-.03em;color:var(--text);text-decoration:none}.logo img{width:32px;height:32px;object-fit:contain}.top-nav{display:flex;gap:8px;align-items:center}.top-nav a{font-size:.95rem;font-weight:500;color:var(--muted);text-decoration:none;padding:8px 16px;border-radius:100px;transition:all .2s cubic-bezier(.4,0,.2,1)}.top-nav a.active,.top-nav a:hover{color:var(--text);background:hsla(0,0%,100%,.08);box-shadow:0 4px 15px rgba(0,0,0,.4)}.hero{padding:100px 0 80px;text-align:center;background-image:radial-gradient(circle at center top,var(--accent-glow),transparent 60%)}.hero-badge{display:inline-flex;align-items:center;justify-content:center;margin-bottom:24px;padding:6px 14px;background:var(--surface-strong);border:1px solid 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.95fr;grid-gap:64px;gap:64px;align-items:center}.forecast-visual{display:flex;justify-content:center}.forecast-card-link{display:block;width:100%;max-width:520px;color:inherit;text-decoration:none}.forecast-card{width:100%;padding:32px;background:linear-gradient(180deg,hsla(0,0%,100%,.03),hsla(0,0%,100%,0)),var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);transition:border-color .2s ease,transform .2s ease}.forecast-card-link:hover .forecast-card{border-color:hsla(0,0%,100%,.16);transform:translateY(-2px)}.forecast-card-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:20px}.forecast-card-label,.forecast-list-label,.metric-label,.support-link-label{margin:0;font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.forecast-card h3,.forecast-copy h2,.support-copy h1{margin:8px 0 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40px}.river-section-alt{padding-top:12px}.river-stack{display:grid;grid-gap:24px;gap:24px}.river-content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.river-snapshot-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.river-article-block{display:grid;grid-gap:14px;gap:14px;align-content:start}.river-map-block{grid-column:1/-1}.river-map-card{padding:16px}.river-map-frame{overflow:hidden;border-radius:18px;border:1px solid var(--line);background:var(--surface-strong)}.river-map-frame iframe{width:100%;height:242px;border:0;display:block}.river-map-meta{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:16px;gap:16px;padding:14px 6px 2px}.river-map-meta p{margin:0;color:var(--muted);font-size:.92rem}.river-map-label{text-align:left}.river-map-link{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:rgba(152,226,231,.08);color:var(--accent);font-size:.92rem;font-weight:700;text-decoration:none;white-space:nowrap;transition:background .2s ease,border-color .2s ease,transform .2s ease}.river-map-link:hover{background:rgba(152,226,231,.14);border-color:rgba(152,226,231,.3);transform:translateY(-1px)}.river-detail-list{padding-left:20px}.river-detail-list li+li{margin-top:12px}.river-detail-list.compact li+li{margin-top:10px}.river-footer-copy{color:var(--muted)}.river-link-row{display:flex;flex-wrap:wrap;gap:12px}.river-chip-link{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:hsla(0,0%,100%,.03);color:var(--text);text-decoration:none;font-size:.92rem;font-weight:600}.river-chip-link.active,.river-chip-link:hover{border-color:rgba(152,226,231,.3);background:rgba(152,226,231,.08);color:var(--accent)}.river-index-hero{padding:88px 0 40px}.river-index-hero h1{margin:16px 0 18px;font-size:clamp(2.8rem,7vw,4.8rem);line-height:.95;letter-spacing:-.05em;font-weight:850;text-transform:uppercase}.river-index-subtitle{max-width:760px;margin:0;color:var(--muted);font-size:1.05rem;line-height:1.7}.river-index-section{padding:0 0 80px}.river-index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:24px;gap:24px}.river-index-card{display:block;padding:28px;background:linear-gradient(180deg,hsla(0,0%,100%,.03),hsla(0,0%,100%,0)),var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);color:var(--text);text-decoration:none;transition:border-color .2s ease,transform .2s ease}.river-index-card:hover{border-color:hsla(0,0%,100%,.18);transform:translateY(-2px)}.river-index-card h2{margin:10px 0 8px;font-size:1.6rem;line-height:1.1;letter-spacing:-.03em;font-weight:800}.river-index-card p:last-child{margin:0;color:var(--muted);font-size:.98rem}.river-index-updated{margin:0 0 12px;color:var(--accent);font-size:.86rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.river-index-actions{margin-top:20px}.river-index-primary-link{min-height:44px;padding:0 20px}.river-index-link-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px}.river-index-link-row a{color:var(--accent);text-decoration:none;font-size:.92rem;font-weight:700}.river-variant-title{margin:8px 0 14px;font-size:clamp(2rem,4vw,3.2rem);line-height:1.02;letter-spacing:-.04em;font-weight:850;text-transform:uppercase}@media (max-width:768px){.info-grid{grid-template-columns:1fr;gap:48px}.forecast-example-grid,.support-grid{grid-template-columns:1fr;gap:40px}.forecast-visual{order:-1}.forecast-card-top,.support-bridge-inner{flex-direction:column;align-items:flex-start}.forecast-metrics{grid-template-columns:1fr}.hero h1{font-size:2.5rem}.nav-content{flex-direction:row;justify-content:space-between;height:64px;padding:0 16px;gap:8px}.logo span{display:none}.top-nav{gap:4px;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:4px;margin-right:-16px;padding-right:16px}.top-nav::-webkit-scrollbar{display:none}.top-nav a{font-size:.85rem;padding:6px 10px}.forecast-card,.support-bridge-inner{padding:24px}.river-hero{padding-top:64px}.river-content-grid,.river-hero-grid,.river-snapshot-grid{grid-template-columns:1fr}.river-card,.river-status-card{padding:22px}.river-index-grid,.river-map-meta{grid-template-columns:1fr}.river-map-meta{justify-items:start}.footer-links{flex-wrap:wrap;gap:16px 24px}}