:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#172033;background:#f4f7fb;line-height:1.55;--navy:#0d213b;--blue:#1668d4;--blue2:#0e4f9f;--line:#dce5ef;--muted:#5f7187;--surface:#fff;--soft:#edf4fb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f7fb}a{color:inherit}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.skip-link{position:absolute;left:-9999px;top:10px;background:#fff;padding:10px;z-index:100}.skip-link:focus{left:10px}.topbar{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:40}.nav-wrap{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--navy);color:#fff;border-radius:10px;font-weight:850;letter-spacing:-.04em}.brand-copy,.brand-name,.brand-name span,.brand-location{display:block}.brand-copy{line-height:1.16}.brand-name{font-size:.94rem;font-weight:800;color:var(--navy)}.brand-location{margin-top:3px;font-size:.76rem;font-weight:400;color:var(--muted)}.primary-nav{display:flex;align-items:center;gap:5px}.nav-link{text-decoration:none;padding:9px 11px;border-radius:8px;font-weight:700;font-size:.9rem;color:#43566c}.nav-link:hover,.nav-link.active{background:var(--soft);color:var(--blue2)}.menu-toggle{display:none}.hero{background:linear-gradient(135deg,#0b1f38,#113b69);color:#fff;padding:82px 0}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:64px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:800;font-size:.75rem;margin:0 0 10px;color:#50749c}.hero .eyebrow,.light{color:#8fc7ff}.hero h1,.page-heading h1{font-size:clamp(2.5rem,6vw,4.8rem);line-height:1.02;letter-spacing:-.045em;margin:.15rem 0 1rem}.hero-copy{font-size:1.14rem;color:#d5e5f6;max-width:720px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button,.button:visited,button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:12px 19px;text-decoration:none;font:inherit;font-weight:800;cursor:pointer}.primary,button{background:var(--blue);color:#fff}.primary:hover,button:hover{background:var(--blue2)}.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.hero .secondary{background:transparent;color:#fff;border-color:#7393b4}.trust-row{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:28px;color:#bcd0e5;font-size:.85rem}.trust-row span:before{content:"✓";margin-right:6px;color:#7fd7b6}.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.17);border-radius:18px;padding:25px;box-shadow:0 22px 60px rgba(0,0,0,.2)}.panel-label{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:#a8c6e4}.hero-panel code{display:block;padding:14px;background:rgba(0,0,0,.2);border-radius:8px;overflow-wrap:anywhere}.route-line{display:flex;align-items:center;justify-content:center;gap:18px;font-size:1.5rem;padding:24px 0}.hero-panel dl{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.15)}.hero-panel dl div{background:#173f69;padding:12px}.hero-panel dt{font-size:.7rem;color:#a9c6e2;text-transform:uppercase}.hero-panel dd{margin:3px 0 0;font-weight:800}.section{padding:72px 0}.section-intro{max-width:760px;margin-bottom:30px}.section-intro h2,.split-section h2,.callout h2{font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.035em;line-height:1.1;margin:.2rem 0 .8rem}.section-intro p,.split-section p,.callout p{color:var(--muted)}.feature-grid,.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card,.service-card,.support-card,.principles-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px}.feature-card.featured{border-top:4px solid var(--blue)}.icon-chip,.service-card>span{display:inline-grid;place-items:center;background:var(--soft);color:var(--blue2);width:36px;height:30px;border-radius:7px;font-size:.75rem;font-weight:850}.feature-card h3,.service-card h2{margin:16px 0 8px}.feature-card p,.service-card p{color:var(--muted)}.feature-card a{font-weight:800;color:var(--blue2);text-decoration:none}.section-dark{background:var(--navy);color:#fff}.split-section{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.section-dark p{color:#c8d7e7}.text-link{font-weight:800;text-decoration:none}.callout{display:flex;align-items:center;justify-content:space-between;gap:40px}.callout>div{max-width:780px}.page-heading{background:#102b4a;color:#fff;padding:64px 0}.page-heading.compact-heading{background:transparent;color:var(--navy);padding:20px 0 8px}.page-heading.compact-heading h1{font-size:clamp(2.1rem,5vw,3.8rem)}.page-heading p{max-width:760px;color:#cfe0ef}.page-heading.compact-heading p{color:var(--muted)}.page-main{padding-top:24px;padding-bottom:60px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:22px;box-shadow:0 8px 30px rgba(16,35,63,.05)}h2{margin:.15rem 0 1rem}.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;font-weight:700;margin-bottom:16px}input[type=text],input[type=email],select,textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #b9c6d5;border-radius:8px;font:inherit;background:#fff}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:3px solid rgba(56,132,255,.2);border-color:#3884ff}fieldset{border:1px solid #d7e0eb;border-radius:10px;margin:4px 0 18px;padding:14px}legend{font-weight:800;padding:0 6px}.choice{font-weight:500;margin:8px 0}.alert{border-radius:9px;padding:12px 14px;margin:12px 0 18px}.error{background:#fff0f0;color:#8a1820;border:1px solid #efb9bd}.notice{background:#eef6ff;color:#194d7f;border:1px solid #b9d7f3}.success{background:#ecfaf3;color:#17643e;border:1px solid #b8e7ce}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.badge{background:#eaf1fb;color:#274e7c;padding:5px 10px;border-radius:999px;font-size:.82rem;font-weight:700}.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:#dce4ee;border:1px solid #dce4ee;border-radius:10px;overflow:hidden}.summary-grid div{background:#fff;padding:13px}.summary-grid dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:#62758c;font-weight:750}.summary-grid dd{margin:4px 0 0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;display:flex;gap:8px;align-items:center}.copy-button{padding:4px 8px;border:1px solid var(--line);background:#f4f7fb;color:#38506b;border-radius:6px;font-size:.72rem}.table-copy{margin-left:8px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88rem}th,td{text-align:left;border-bottom:1px solid #e2e8f0;padding:10px 12px;white-space:nowrap}th{position:sticky;top:0;background:#edf3fa;color:#314b68}.match{background:#fff7cf}.ellipsis td{text-align:center;font-size:1.2rem;color:#697b90}.export-card p{max-width:75ch}.export-form{margin-top:1rem}.service-grid{grid-template-columns:repeat(2,1fr)}.about-grid,.contact-grid,.support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}.principles-card ul{padding-left:1.2rem}.principles-card li{margin:.7rem 0}.section-muted{background:#eaf1f8}.contact-note{background:#eaf1f8;border-radius:12px;padding:18px;margin-top:24px}.hidden-field{position:absolute;left:-9999px}.site-footer{background:#091a2d;color:#d6e2ef;padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:30px}.footer-grid p{color:#9fb2c5;max-width:620px}.footer-links{display:flex;flex-direction:column;gap:7px}.footer-links a{color:#d6e2ef;text-decoration:none}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid #29405a;color:#8298ae;font-size:.85rem}
@media(max-width:850px){.menu-toggle{display:inline-flex;background:var(--navy);color:#fff;padding:8px 12px}.primary-nav{display:none;position:absolute;left:16px;right:16px;top:66px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:0 18px 45px rgba(10,30,50,.16)}.primary-nav.open{display:flex}.hero-grid,.split-section,.about-grid,.contact-grid,.support-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.hero{padding:58px 0}.callout{align-items:flex-start;flex-direction:column}.service-grid{grid-template-columns:1fr}.hero-panel{max-width:620px}}
@media(max-width:650px){.wrap{width:min(100% - 20px,1180px)}.brand-name{font-size:.82rem}.brand-location{font-size:.68rem}.grid.two,.summary-grid{grid-template-columns:1fr}.hero-panel dl{grid-template-columns:1fr}.section{padding:48px 0}.page-heading{padding:45px 0}.card{padding:17px}.section-heading{align-items:center}.table-copy{display:none}th,td{padding:9px}.footer-grid{grid-template-columns:1fr}}

/* Calculation mode radio cards */
.mode-selector{margin-top:4px}.mode-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mode-option{display:flex;align-items:flex-start;gap:10px;margin:0;padding:15px;border:1px solid #cbd7e4;border-radius:10px;background:#fff;cursor:pointer;font-weight:500;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.mode-option:hover{border-color:#7aa9df;background:#f8fbff}.mode-option:has(input:checked){border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,104,212,.12);background:#f3f8ff}.mode-option input{margin-top:4px;accent-color:var(--blue)}.mode-option strong,.mode-option small{display:block}.mode-option strong{color:var(--navy)}.mode-option small{margin-top:3px;color:var(--muted);line-height:1.35}.field-help{display:block;margin-top:6px;color:var(--muted);font-weight:500}.brand-copy{max-width:370px}
@media(max-width:760px){.mode-options{grid-template-columns:1fr}}