:root{--navy:#102a43;--navy-2:#173b57;--teal:#0e7c86;--teal-dark:#0a626b;--mint:#e7f5f2;--amber:#f4b942;--amber-soft:#fff4d6;--ink:#1b2a3a;--muted:#617080;--line:#dce7ee;--paper:#f7fafb;--white:#fff;--shadow:0 18px 55px rgba(16,42,67,.12);--radius:22px;--radius-sm:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,250,251,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,231,238,.84)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;color:var(--navy);font-size:1.2rem}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--teal),#16a1a8);display:grid;place-items:center;color:white;box-shadow:0 8px 20px rgba(14,124,134,.24)}.brand-mark svg{width:22px;height:22px}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:9px 12px;border-radius:10px;color:#405366;font-size:.94rem;font-weight:650}.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--teal-dark)}.nav-cta{background:var(--navy)!important;color:white!important;padding:11px 16px!important}.nav-cta:hover{background:var(--teal-dark)!important}
.hero{padding:72px 0 54px;background:radial-gradient(circle at 10% 10%,rgba(14,124,134,.12),transparent 30%),radial-gradient(circle at 92% 8%,rgba(244,185,66,.16),transparent 26%),linear-gradient(180deg,#f7fafb 0%,#f1f7f7 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:rgba(14,124,134,.09);color:var(--teal-dark);font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(14,124,134,.12)}
h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.5rem,5vw,4.7rem);line-height:1.02;letter-spacing:-.065em;color:var(--navy);margin:20px 0 22px;max-width:760px}h1 .accent{color:var(--teal)}.hero-copy{font-size:1.1rem;color:#506477;max-width:590px;margin-bottom:28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:13px 18px;font-weight:750;transition:.18s ease;white-space:nowrap}.btn-primary{background:var(--teal);color:white;box-shadow:0 10px 24px rgba(14,124,134,.22)}.btn-primary:hover{background:var(--teal-dark);transform:translateY(-1px)}.btn-secondary{background:white;border-color:var(--line);color:var(--navy)}.btn-secondary:hover{border-color:#b8ccd7;background:#fbfdfd}.btn-small{padding:9px 13px;font-size:.9rem}
.hero-note{display:flex;gap:8px;align-items:center;color:#6b7d8b;font-size:.86rem;margin-top:16px}.hero-note svg{width:16px;height:16px;color:var(--teal)}
.quick-card{background:rgba(255,255,255,.94);border:1px solid rgba(220,231,238,.95);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.quick-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:19px}.quick-card h2{font-size:1.1rem;letter-spacing:-.02em;margin:0;color:var(--navy)}.live-pill{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;background:var(--mint);color:var(--teal-dark);padding:7px 9px;border-radius:999px;white-space:nowrap}
.field{margin-bottom:14px}.field label{display:block;font-size:.8rem;font-weight:750;color:#41566a;margin-bottom:7px}.field select,.field input{width:100%;border:1px solid var(--line);background:white;color:var(--ink);border-radius:11px;padding:12px 13px;outline:none;transition:.15s}.field select:focus,.field input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(14,124,134,.1)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.result-card{background:linear-gradient(145deg,var(--navy),var(--navy-2));color:white;border-radius:18px;padding:20px;margin-top:17px;position:relative;overflow:hidden}.result-card:after{content:"";position:absolute;width:130px;height:130px;border-radius:50%;right:-50px;top:-55px;background:rgba(244,185,66,.16)}.result-label{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#b9d5d8;font-weight:800;margin-bottom:5px}.result-value{position:relative;z-index:1;display:flex;align-items:baseline;gap:8px}.result-value strong{font-size:2.55rem;line-height:1;letter-spacing:-.055em;color:white}.result-value span{color:#d3e2ea;font-size:.95rem}.result-detail{position:relative;z-index:1;font-size:.86rem;color:#c4d5df;margin-top:8px;min-height:20px}.disclaimer-inline{font-size:.76rem;color:#7b8d9a;margin:11px 0 0}
.section{padding:80px 0}.section.tight{padding-top:48px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px}.section-head h2{font-size:clamp(1.8rem,3.2vw,2.65rem);letter-spacing:-.045em;color:var(--navy);margin:0 0 8px}.section-head p{max-width:640px;color:var(--muted);margin:0}.text-link{color:var(--teal-dark);font-weight:750;white-space:nowrap}.text-link:hover{text-decoration:underline}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:-26px;position:relative;z-index:2}.stat{background:white;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 8px 24px rgba(16,42,67,.04)}.stat strong{display:block;font-size:1.6rem;letter-spacing:-.04em;color:var(--navy);line-height:1.1}.stat span{font-size:.82rem;color:var(--muted)}
.card-grid{display:grid;gap:18px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card{background:white;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;transition:.2s ease}.card:hover{transform:translateY(-3px);border-color:#c6d9e2;box-shadow:0 16px 35px rgba(16,42,67,.08)}.icon-box{width:44px;height:44px;border-radius:13px;background:var(--mint);color:var(--teal-dark);display:grid;place-items:center;margin-bottom:18px}.icon-box.amber{background:var(--amber-soft);color:#9a6400}.icon-box svg{width:23px;height:23px}.card h3{font-size:1.08rem;letter-spacing:-.02em;color:var(--navy);margin-bottom:8px}.card p{font-size:.92rem;color:var(--muted);margin-bottom:0}
.formula{background:linear-gradient(135deg,var(--navy),#214b65);color:white;border-radius:24px;padding:34px;display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center;box-shadow:var(--shadow)}.formula h2{font-size:2rem;letter-spacing:-.04em;margin-bottom:11px}.formula p{color:#c9d9e2;margin-bottom:0}.formula-box{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:15px;padding:18px;display:grid;gap:10px}.formula-line{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:10px;font-size:.92rem}.formula-line:last-child{border:0;padding-bottom:0}.formula-line span{color:#b9d2df}.formula-line strong{color:white;text-align:right}
.page-hero{padding:54px 0 34px;background:linear-gradient(180deg,#f7fafb,#eff7f6);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2rem,4vw,3.5rem);max-width:850px}.page-hero p{max-width:700px;color:var(--muted);font-size:1.04rem}.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:15px}.breadcrumb a{color:var(--teal-dark)}
.calculator-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 30px rgba(16,42,67,.05)}.panel h2{font-size:1.35rem;letter-spacing:-.03em;color:var(--navy);margin-bottom:6px}.panel-sub{font-size:.9rem;color:var(--muted);margin-bottom:22px}
.segmented{display:flex;background:#edf3f5;border-radius:12px;padding:4px;margin-bottom:22px}.segmented button{border:0;background:transparent;color:#526779;padding:10px 12px;border-radius:9px;font-size:.88rem;font-weight:750;flex:1}.segmented button.active{background:white;color:var(--navy);box-shadow:0 4px 14px rgba(16,42,67,.08)}
.range-row{display:flex;align-items:center;gap:12px}.range-row input[type=range]{flex:1;accent-color:var(--teal)}.range-value{min-width:48px;text-align:right;font-weight:800;color:var(--teal-dark);font-size:.9rem}
.calc-result{display:grid;gap:14px}.metric-card{background:#f6fafb;border:1px solid var(--line);border-radius:14px;padding:16px}.metric-card.primary{background:linear-gradient(145deg,var(--navy),var(--navy-2));border:0;color:white}.metric-label{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#6e8190;margin-bottom:4px}.metric-card.primary .metric-label{color:#b9d5d8}.metric-value{font-size:1.7rem;line-height:1.1;letter-spacing:-.04em;font-weight:800;color:var(--navy)}.metric-card.primary .metric-value{color:white}.metric-note{font-size:.82rem;color:var(--muted);margin-top:6px}.metric-card.primary .metric-note{color:#c4d5df}
.status-banner{display:none;border-radius:12px;padding:12px 14px;font-size:.86rem;font-weight:650;line-height:1.45}.status-banner.show{display:block}.status-banner.good{background:#e8f5ee;color:#276749;border:1px solid #c5e7d3}.status-banner.warn{background:#fff5df;color:#8c5d00;border:1px solid #f3db9a}.status-banner.bad{background:#fdecea;color:#9b2c2c;border:1px solid #f4c7c3}
.recommendation-list{display:grid;gap:10px;margin-top:12px}.recommendation{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:white}.recommendation strong{display:block;font-size:.92rem;color:var(--navy)}.recommendation span{font-size:.78rem;color:var(--muted)}.recommendation .btn{padding:8px 11px;font-size:.8rem}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}.filter-bar input{flex:1;min-width:220px;border:1px solid var(--line);border-radius:11px;padding:11px 13px;background:white;outline:none}.filter-bar input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(14,124,134,.1)}.brand-filters{display:flex;flex-wrap:wrap;gap:7px}.filter-btn{border:1px solid var(--line);background:white;color:#526779;border-radius:999px;padding:8px 12px;font-size:.82rem;font-weight:700}.filter-btn.active{background:var(--navy);border-color:var(--navy);color:white}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:white}.data-table{width:100%;border-collapse:collapse;min-width:880px}.data-table th{position:sticky;top:0;background:#f0f6f7;color:#435a6c;font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);z-index:2}.data-table td{padding:14px;border-bottom:1px solid #edf2f5;font-size:.89rem;vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table tbody tr:hover{background:#f8fcfc}.model-name{font-weight:800;color:var(--navy)}.brand-tag{display:inline-block;font-size:.71rem;font-weight:800;padding:4px 7px;border-radius:7px;background:var(--mint);color:var(--teal-dark);white-space:nowrap}.price{font-weight:800;color:var(--navy)}.muted{color:var(--muted)}.empty-state{padding:40px;text-align:center;color:var(--muted)}
.callout{background:var(--amber-soft);border:1px solid #f0d58f;border-radius:14px;padding:16px 18px;color:#6f5300;font-size:.9rem}.callout strong{color:#513d00}.disclosure{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;color:var(--muted);font-size:.83rem}
.site-footer{background:var(--navy);color:#c8d8e2;padding:46px 0 28px;margin-top:70px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}.site-footer .brand{color:white}.site-footer p{color:#9db3c1;font-size:.88rem;max-width:420px}.footer-links{display:grid;gap:8px;font-size:.88rem}.footer-links a:hover{color:white}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;font-size:.76rem;color:#8da5b4}
.legal-page{max-width:820px;padding:60px 0}.legal-page h1{font-size:2.7rem}.legal-page h2{font-size:1.3rem;color:var(--navy);margin:30px 0 10px}.legal-page p,.legal-page li{color:#506477}.legal-page li{margin-bottom:8px}.hidden{display:none!important}
@media(max-width:920px){.hero-grid,.calculator-layout,.formula{grid-template-columns:1fr}.hero{padding-top:50px}.quick-card{max-width:620px}.nav-links a:not(.nav-cta){display:none}.stat-grid{grid-template-columns:repeat(2,1fr)}.card-grid.three{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:620px){.container{width:min(100% - 28px,1160px)}.nav{height:68px}.brand{font-size:1.06rem}.hero{padding:40px 0}.hero-actions .btn{width:100%}.section{padding:56px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}.stat-grid{grid-template-columns:1fr 1fr;margin-top:-18px}.card-grid.three{grid-template-columns:1fr}.formula{padding:24px}.field-row{grid-template-columns:1fr}.panel{padding:20px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.page-hero{padding:38px 0 26px}}

/* Prevent wide data tables from expanding the page grid on mobile */
.calculator-layout > *, .panel, .table-wrap { min-width: 0; }
.table-wrap { max-width: 100%; }

@media(max-width:620px){.spec-table{min-width:0;width:100%}.spec-table th{width:42%!important}.spec-table td{word-break:break-word}}