:root{--navy:#0f172a;--orange:#f97316;--muted:#64748b;--soft:#f8fafc;--line:#e2e8f0;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--navy);background:#fff}a,button{font:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:20;background:#fff;padding:8px 12px;border:1px solid var(--line);border-radius:8px}
.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid #f1f5f9;background:rgba(255,255,255,.96);position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}
.brand{display:inline-flex;align-items:center;text-decoration:none;color:inherit}.brand-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:8px;background:#fff7ed;color:var(--orange);font-weight:950;margin-right:10px}.brand-text{font-weight:900}.brand-text span{color:var(--orange)}.nav{display:flex;align-items:center;gap:24px}.nav a,.nav button{border:0;background:none;color:#334155;text-decoration:none;cursor:pointer;font-weight:650}.nav a:hover,.nav button:hover{color:var(--orange)}.lang{width:40px;height:40px;border:1px solid var(--line)!important;border-radius:999px!important}
.dropdown{position:relative}.dropbtn{border:0;background:none;font:inherit;font-weight:650;cursor:pointer;color:#334155}.dropdown-menu{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:260px;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(15,23,42,.12);z-index:999}.dropdown-menu a{display:block;padding:12px 16px;text-decoration:none;color:#334155}.dropdown-menu a:hover{background:#f8fafc;color:var(--orange)}.dropdown:hover .dropdown-menu{display:block}
.hero{padding:62px 6vw 52px;background:linear-gradient(180deg,#fff 0%,#f8fafc 100%)}.hero-inner{max-width:1120px;margin:auto}.article-hero .hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,380px);gap:38px;align-items:center}.eyebrow{color:var(--orange);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.16em}.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.02;letter-spacing:0;margin:12px 0 16px}.hero p{max-width:780px;color:var(--muted);font-size:18px;line-height:1.7;margin:0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{border:1px solid var(--line);border-radius:999px;padding:12px 18px;text-decoration:none;color:var(--navy);background:#fff;font-weight:850;display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 22px rgba(15,23,42,.05)}.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}.btn:hover{border-color:#fdba74;transform:translateY(-1px)}
.article-visual{border:1px solid #fed7aa;border-radius:8px;background:#fff;box-shadow:0 18px 45px rgba(15,23,42,.08);padding:18px}.article-visual svg{display:block;width:100%;height:auto}.visual-card{fill:#fff;stroke:#e2e8f0;stroke-width:2}.visual-soft{fill:#fff7ed}.visual-navy{fill:#0f172a}.visual-orange{fill:#f97316}.visual-muted{fill:#94a3b8}.visual-line{stroke:#f97316;stroke-width:6;stroke-linecap:round;fill:none}.article-graphic{margin:28px 0;border:1px solid var(--line);border-radius:8px;background:#fff;padding:18px;display:grid;grid-template-columns:130px 1fr;gap:20px;align-items:center}.article-graphic svg{width:130px;height:auto}.article-graphic strong{display:block;font-size:20px;margin-bottom:6px}.article-graphic p{margin:0}.card-icon{width:44px;height:44px;border-radius:8px;background:#fff7ed;display:grid;place-items:center;margin-bottom:14px}.card-icon svg{width:26px;height:26px;fill:none;stroke:#f97316;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.section{padding:64px 6vw}.section.alt{background:var(--soft)}.wrap{max-width:1120px;margin:auto}.section h2{font-size:clamp(28px,3vw,44px);line-height:1.1;margin:0 0 18px}.lead{color:var(--muted);font-size:17px;line-height:1.7;max-width:760px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:22px}.card h3{margin:0 0 9px;font-size:21px}.card p{margin:0;color:var(--muted);line-height:1.65}.card a{color:#c2410c;font-weight:850;text-decoration:none}.card a:hover{text-decoration:underline}
.time-map-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.65fr);gap:22px;align-items:stretch}.map-panel,.zone-info{border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 12px 30px rgba(15,23,42,.05)}.map-panel{padding:18px}.usa-zone-map{width:100%;height:auto;display:block}.zone-region{cursor:pointer;outline:none}.zone-region path,.zone-region polygon,.zone-region rect,.zone-region circle{stroke:#fff;stroke-width:3;transition:filter .18s ease,opacity .18s ease,stroke-width .18s ease}.zone-region .zone-hitbox{fill:transparent!important;stroke:none!important;pointer-events:all}.zone-region:hover path,.zone-region:hover polygon,.zone-region:hover rect,.zone-region:hover circle,.zone-region.active path,.zone-region.active polygon,.zone-region.active rect,.zone-region.active circle{filter:brightness(.98) saturate(1.12);stroke:#0f172a;stroke-width:4}.zone-region:hover .zone-hitbox,.zone-region.active .zone-hitbox{stroke:none!important}.zone-region text{pointer-events:none;font-family:Arial,Helvetica,sans-serif;font-weight:900;fill:#0f172a}.zone-note{font-size:13px;color:#64748b;line-height:1.6;margin:12px 0 0}.zone-info{padding:24px;display:grid;align-content:start}.zone-info .eyebrow{display:block;margin-bottom:8px}.zone-info h3{font-size:30px;margin:0 0 10px}.zone-clock{font-size:38px;font-weight:950;line-height:1;margin:12px 0 8px;color:#0f172a}.zone-date,.zone-cities,.zone-offset{color:#64748b;line-height:1.6}.zone-compare{display:grid;gap:10px;margin:18px 0}.zone-compare div{border:1px solid #eef2f7;border-radius:8px;background:#f8fafc;padding:12px}.zone-compare small{display:block;color:#94a3b8;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}.zone-compare strong{font-size:18px}.zone-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.zone-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;font-weight:850;color:#334155;cursor:pointer}.zone-btn:hover,.zone-btn.active{border-color:#fdba74;background:#fff7ed;color:#c2410c}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 12px 30px rgba(15,23,42,.05)}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:14px 16px;border-bottom:1px solid #eef2f7;text-align:left;vertical-align:top}th{background:#fff7ed;color:#9a3412;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.1em}td{color:#334155;line-height:1.5}tr:last-child td{border-bottom:0}.highlight{color:#c2410c;font-weight:900}
.content{max-width:860px}.content p,.content li{color:#475569;line-height:1.75;font-size:16px}.content ul{padding-left:22px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:850;font-size:18px}.faq p{color:#64748b;line-height:1.7}.links{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.links a{border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:#334155;text-decoration:none;font-weight:800;background:#fff}.links a:hover{border-color:#fdba74;color:#c2410c}
.question-list{display:grid;gap:14px;margin:24px 0}.question-list article{border:1px solid var(--line);border-radius:8px;background:#fff;padding:18px}.question-list strong{display:block;font-size:18px;margin-bottom:6px}.question-list p{margin:0}.command-list{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;margin:24px 0;min-width:0}.command-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:20px;min-width:0}.command-card h3{margin:0 0 8px;font-size:20px}.command-card p{margin:0 0 12px}.command-card pre{margin:12px 0 0;background:#0f172a;color:#f8fafc;border-radius:8px;padding:16px;overflow:auto;line-height:1.55;max-width:100%;min-width:0}.command-card code{font-family:"Cascadia Mono","Consolas","Courier New",monospace;font-size:14px}.content code{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:2px 6px;color:#0f172a}
footer{background:var(--navy);color:#fff;padding:52px 6vw 32px}.footergrid{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;flex-wrap:wrap}.footerlinks{display:flex;gap:22px;flex-wrap:wrap}.footerlinks a{color:#cbd5e1;text-decoration:none}.footerlinks a:hover{color:#fff}.copy{color:#94a3b8;font-size:13px;margin-top:35px;border-top:1px solid #1e293b;padding-top:24px}
@media(max-width:850px){.topbar{height:74px;padding:0 18px}.hide-sm{display:none}.nav{gap:10px}.hero,.section{padding-left:22px;padding-right:22px}.article-hero .hero-inner,.grid,.time-map-layout{grid-template-columns:1fr}.article-visual{max-width:440px}.footergrid{display:grid}}
@media(max-width:520px){.nav a{display:none}.hero h1{font-size:36px}.brand-text{font-size:14px}.article-graphic{grid-template-columns:1fr}.article-graphic svg{width:100px}}