*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.7;color:#1e293b;background:#f8fafc;-webkit-font-smoothing:antialiased}
a{color:#0891b2;text-decoration:none}
a:hover{color:#0e7490;text-decoration:underline}

.skip-link{position:absolute;top:-40px;left:0;background:#0e7490;color:#fff;padding:8px 16px;z-index:10000;font-size:14px;font-weight:600;text-decoration:none;transition:top .2s}
.skip-link:focus{top:0}
*:focus-visible{outline:3px solid #0891b2;outline-offset:2px;border-radius:3px}

.nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #e2e8f0;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-size:1.35rem;font-weight:800;color:#0e7490;letter-spacing:-0.02em}
.nav-brand span{color:#0891b2}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:.93rem;font-weight:500;color:#475569;text-decoration:none}
.nav-links a:hover,.nav-links a.active{color:#0e7490}
.nav-links a.active{font-weight:600}
.nav-cta{background:#0e7490;color:#fff!important;font-size:.88rem;font-weight:600;padding:8px 18px;border-radius:8px}
.nav-cta:hover{background:#0c6577;text-decoration:none!important}
@media(max-width:900px){.nav-links a:not(.nav-cta){display:none}}

.hero{background:linear-gradient(135deg,#0e7490 0%,#0891b2 50%,#22d3ee 100%);color:#fff;padding:3.5rem 2rem 3rem;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.4}
.hero *{position:relative;z-index:1}
.crumbs{font-size:.82rem;opacity:.9;margin-bottom:1rem}
.crumbs a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4)}
.crumbs a:hover{border-bottom-color:#fff}
.crumbs .sep{margin:0 .5rem;opacity:.6}
.hero-badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:100px;padding:.35rem 1rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.25rem}
.hero h1{font-size:2.6rem;font-weight:800;max-width:850px;margin:0 auto .75rem;letter-spacing:-0.025em;line-height:1.15}
.hero p.lede{font-size:1.15rem;opacity:.95;max-width:720px;margin:0 auto}
.hero .meta{margin-top:1rem;font-size:.88rem;opacity:.85}

.container{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:3rem 0}
.section h2{font-size:1.8rem;font-weight:800;color:#0e7490;letter-spacing:-0.02em;margin-bottom:.5rem}
.section .lede{color:#64748b;font-size:1.05rem;margin-bottom:1.75rem;max-width:700px}

.overview{background:#fff;border-radius:16px;padding:2rem 2.25rem;margin-top:-2rem;position:relative;z-index:2;box-shadow:0 8px 32px rgba(8,145,178,.10);border:1px solid #e2e8f0}
.overview h2{font-size:1.5rem;color:#0e7490;font-weight:700;margin-bottom:.75rem}
.overview p{color:#334155;font-size:1.05rem;margin-bottom:1rem}
.overview p:last-child{margin-bottom:0}
.overview a{font-weight:600}

.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1.5rem}
.kpi{background:linear-gradient(135deg,#ecfeff 0%,#f0fdfa 100%);border:1px solid #cffafe;border-radius:12px;padding:1.1rem 1.25rem}
.kpi .label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#0891b2}
.kpi .value{font-size:1.45rem;font-weight:800;color:#0e7490;margin-top:.25rem;letter-spacing:-0.02em}
.kpi .sub{font-size:.78rem;color:#64748b;margin-top:.15rem}
@media(max-width:768px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}

.cluster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
@media(max-width:900px){.cluster-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.cluster-grid{grid-template-columns:1fr}}
.cluster{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:1.5rem;transition:transform .15s,box-shadow .15s,border-color .15s}
.cluster:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(8,145,178,.10);border-color:#a5f3fc}
.cluster h3{font-size:1.05rem;font-weight:700;color:#0e7490;margin-bottom:.85rem;letter-spacing:-0.01em}
.cluster ul{list-style:none;padding:0;margin:0}
.cluster li{padding:.35rem 0;font-size:.93rem;border-bottom:1px solid #f1f5f9}
.cluster li:last-child{border-bottom:none}
.cluster li a{color:#334155;text-decoration:none;display:block}
.cluster li a:hover{color:#0e7490}

.cities-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem 1rem}
@media(max-width:900px){.cities-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.cities-grid{grid-template-columns:repeat(2,1fr)}}
.cities-grid a{padding:.45rem .65rem;font-size:.92rem;color:#475569;text-decoration:none;border-radius:6px;transition:background .15s}
.cities-grid a:hover{background:#ecfeff;color:#0e7490}

.deep-content{background:#fff;border-radius:16px;padding:2.5rem;border:1px solid #e2e8f0;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.deep-content h2{font-size:1.65rem;margin-bottom:1rem;color:#0e7490;font-weight:800;letter-spacing:-0.02em;border-bottom:2px solid #cffafe;padding-bottom:.5rem}
.deep-content h3{font-size:1.2rem;margin:1.75rem 0 .75rem;color:#155e75;font-weight:700}
.deep-content p{color:#334155;font-size:1.05rem;margin-bottom:1.1rem;line-height:1.75}
.deep-content ul{margin:1rem 0 1.25rem 1.5rem}
.deep-content li{margin-bottom:.55rem;color:#334155}
.deep-content li strong{color:#0e7490}
.highlight{background:linear-gradient(135deg,#ecfeff 0%,#f0fdfa 100%);border-left:4px solid #0891b2;padding:1.1rem 1.4rem;margin:1.5rem 0;border-radius:0 12px 12px 0}
.highlight strong{color:#0e7490}

.use-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1rem 0}
@media(max-width:600px){.use-grid{grid-template-columns:1fr}}
.use{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:1rem 1.25rem}
.use h4{color:#0e7490;font-size:1rem;font-weight:700;margin-bottom:.35rem}
.use p{font-size:.93rem;color:#475569;line-height:1.55;margin:0}

.cta-box{background:linear-gradient(135deg,#0e7490 0%,#0891b2 50%,#22d3ee 100%);color:#fff;padding:2.5rem 2rem;border-radius:16px;text-align:center;margin:3rem 0;box-shadow:0 8px 32px rgba(8,145,178,.25)}
.cta-box h3{color:#fff;font-size:1.5rem;font-weight:800;margin-bottom:.5rem}
.cta-box p{color:rgba(255,255,255,.92);margin-bottom:1.25rem;font-size:1.05rem}
.cta-box a{display:inline-block;background:#fff;color:#0e7490;padding:.9rem 2.25rem;border-radius:10px;font-weight:700;font-size:1.05rem;text-decoration:none;box-shadow:0 4px 12px rgba(0,0,0,.15);transition:transform .15s}
.cta-box a:hover{transform:translateY(-2px)}

.related-hubs{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
@media(max-width:768px){.related-hubs{grid-template-columns:1fr 1fr}}
.related-hubs a{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:1rem 1.15rem;text-decoration:none;color:#334155;font-weight:600;font-size:.95rem;display:flex;flex-direction:column;gap:.2rem}
.related-hubs a:hover{border-color:#22d3ee;background:#ecfeff;color:#0e7490}
.related-hubs a span{font-size:.78rem;font-weight:500;color:#64748b}

.compare-table{background:#fff;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden}
.compare-table table{width:100%;border-collapse:collapse;font-size:.93rem}
.compare-table th,.compare-table td{padding:1rem 1.25rem;text-align:left;border-bottom:1px solid #f1f5f9}
.compare-table th{background:#f8fafc;font-weight:700;color:#0e7490;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td:first-child{font-weight:600;color:#1e293b}

.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
@media(max-width:900px){.hub-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.hub-grid{grid-template-columns:1fr}}
.hub-card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:1.5rem;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex;flex-direction:column;gap:.5rem}
.hub-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(8,145,178,.10);border-color:#a5f3fc;text-decoration:none}
.hub-card .title{font-size:1.15rem;font-weight:700;color:#0e7490;letter-spacing:-0.01em}
.hub-card .desc{color:#64748b;font-size:.92rem;line-height:1.5;margin-bottom:.5rem}
.hub-card .count{font-size:.78rem;font-weight:700;color:#0891b2;text-transform:uppercase;letter-spacing:.06em}

footer{background:#0f172a;color:#cbd5e1;padding:2.5rem 2rem 2rem;margin-top:3rem}
.foot-inner{max-width:1100px;margin:0 auto}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
@media(max-width:768px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-brand{font-weight:800;font-size:1.2rem;color:#fff;margin-bottom:.5rem}
.foot-tag{font-size:.88rem;color:#94a3b8;line-height:1.6}
.foot h4{color:#fff;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.75rem}
.foot ul{list-style:none}
.foot li{margin-bottom:.4rem}
.foot a{color:#cbd5e1;font-size:.9rem;text-decoration:none}
.foot a:hover{color:#22d3ee}
.foot-bottom{border-top:1px solid #1e293b;padding-top:1.25rem;font-size:.82rem;color:#94a3b8;text-align:center}
.foot-bottom a{color:#94a3b8}
.foot-bottom a:hover{color:#22d3ee}

/* CALCULATOR */
.calc{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:2rem;box-shadow:0 4px 16px rgba(8,145,178,.06)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
@media(max-width:768px){.calc-grid{grid-template-columns:1fr}}
.calc-inputs label{display:block;font-size:.85rem;font-weight:600;color:#475569;margin-bottom:.3rem;text-transform:uppercase;letter-spacing:.04em}
.calc-inputs .field{margin-bottom:1.25rem}
.calc-inputs input,.calc-inputs select{width:100%;padding:.75rem .9rem;font-size:1rem;font-family:inherit;border:2px solid #e2e8f0;border-radius:8px;background:#fff;color:#1e293b;outline:none;transition:border-color .15s,box-shadow .15s}
.calc-inputs input:focus,.calc-inputs select:focus{border-color:#0e7490;box-shadow:0 0 0 3px rgba(14,116,144,.12)}
.calc-inputs .field .hint{font-size:.78rem;color:#94a3b8;margin-top:.25rem}
.calc-output{background:linear-gradient(135deg,#0e7490,#0891b2);border-radius:12px;padding:1.75rem;color:#fff;display:flex;flex-direction:column;justify-content:center}
.calc-output .label{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;opacity:.85;font-weight:700}
.calc-output .value{font-size:2.4rem;font-weight:800;letter-spacing:-0.03em;margin:.3rem 0 .25rem;line-height:1.1}
.calc-output .sub{font-size:.92rem;opacity:.85}
.calc-output .divider{height:1px;background:rgba(255,255,255,.2);margin:1.25rem 0}
.calc-output .row{display:flex;justify-content:space-between;font-size:.92rem;padding:.35rem 0}
.calc-output .row .k{opacity:.82}
.calc-output .row .v{font-weight:700}