:root {
    --ink: #172033;
    --muted: #5e697c;
    --line: #dfe5ee;
    --surface: #ffffff;
    --surface-soft: #f5f8fc;
    --primary: #2457d6;
    --primary-dark: #173b99;
    --primary-soft: #eaf0ff;
    --accent: #0a8f72;
    --accent-soft: #e6f7f2;
    --warning: #9a5b00;
    --warning-soft: #fff6df;
    --danger: #b42318;
    --danger-soft: #fff0ee;
    --shadow: 0 18px 55px rgba(28, 45, 83, .11);
    --radius: 20px;
    --radius-small: 12px;
    --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    background: var(--surface-soft);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--primary); text-underline-offset: 3px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.16; letter-spacing: -.025em; }
h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2.15rem); }
h3 { font-size: 1.15rem; }

.shell { width: min(calc(100% - 36px), var(--shell)); margin-inline: auto; }
.wide-shell { width: min(calc(100% - 36px), 1280px); }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid rgba(223, 229, 238, .9);
    backdrop-filter: blur(16px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 188px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { color: #354057; font-weight: 650; font-size: .91rem; text-decoration: none; padding: 10px 11px; border-radius: 9px; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }
.menu-toggle { display: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 10px; padding: 9px 13px; font-weight: 700; }

.version-notice { color: #24334d; background: #eef4ff; border-bottom: 1px solid #cbdcff; }
.version-notice-inner { min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-block: 9px; }
.version-notice p { margin: 0; font-size: .9rem; }
.version-link { flex: 0 0 auto; color: var(--primary-dark); font-size: .88rem; font-weight: 800; text-decoration: none; border: 1px solid #9db8f4; border-radius: 9px; background: #fff; padding: 7px 11px; }
.version-link:hover { border-color: var(--primary); background: var(--primary-soft); }

.home-hero {
    color: #fff;
    padding: 20px 0 50px;
    background:
        radial-gradient(circle at 82% 20%, rgba(54, 198, 168, .24), transparent 27%),
        radial-gradient(circle at 15% 0%, rgba(91, 126, 255, .34), transparent 35%),
        linear-gradient(135deg, #10234f, #173f93 65%, #155f89);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr); align-items: end; gap: 70px; }
.hero-copy { max-width: 760px; }
.hero-copy h1 { max-width: 730px; margin: 14px 0 22px; }
.hero-copy .home-title { font-size: clamp(1.45rem, 3vw, 2.15rem); }
.hero-copy > p { max-width: 670px; color: #dfe8ff; font-size: 1.15rem; }
.eyebrow { display: inline-block; color: #8fe0cf; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.trust-row { display: flex; gap: 36px; margin-top: 38px; flex-wrap: wrap; }
.trust-row div { display: flex; flex-direction: column; }
.trust-row strong { font-size: 1.2rem; }
.trust-row span { color: #bdccec; font-size: .82rem; }
.hero-note { background: rgba(255,255,255,.11); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: 30px; box-shadow: 0 18px 50px rgba(0,0,0,.12); font-size: 1.55rem; margin-bottom: 24px; }
.hero-note p { color: #dce7ff; margin: 9px 0 16px; }
.hero-note a { color: #fff; font-weight: 750; }
.status-dot { display: inline-block; width: 10px; height: 10px; margin-right: 8px; border-radius: 50%; background: #58e0b9; box-shadow: 0 0 0 5px rgba(88,224,185,.14); }

.page-hero { padding: 28px 0 64px; color: #fff; background: linear-gradient(135deg, #10234f, #1d50b8); }
.page-hero h1 { max-width: 880px; margin: 10px 0 12px; font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
.page-hero p { max-width: 760px; margin-bottom: 0; color: #dce7ff; font-size: 1.08rem; }
.section { padding: 74px 0; }
.section-raised { padding-top: 0; margin-top: -52px; position: relative; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr); gap: 26px; align-items: start; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.calculator-card { padding: clamp(24px, 4vw, 42px); }
.card-heading { display: flex; align-items: start; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding-bottom: 22px; margin-bottom: 28px; }
.card-heading h2 { margin: 9px 0 0; }
.step-badge, .secure-label, .data-badge { display: inline-flex; align-items: center; width: fit-content; border-radius: 999px; padding: 5px 10px; font-size: .73rem; font-weight: 800; letter-spacing: .04em; }
.step-badge { background: var(--primary-soft); color: var(--primary-dark); text-transform: uppercase; }
.secure-label { background: var(--accent-soft); color: #08735d; }
.data-badge { background: var(--warning-soft); color: var(--warning); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.form-grid.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field > label, .field legend, .certificate-options > legend { display: block; margin-bottom: 8px; color: #29344a; font-size: .9rem; font-weight: 750; }
.field input:not([type="radio"]):not([type="checkbox"]), .field select, .field textarea, .mini-field input {
    display: block;
    width: 100%;
    min-height: 48px;
    border: 1px solid #cbd4e2;
    border-radius: 11px;
    background: #fff;
    color: var(--ink);
    padding: 10px 13px;
    transition: border-color .18s, box-shadow .18s;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .mini-field input:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(36,87,214,.12); }
fieldset { margin: 0; padding: 0; border: 0; }
.segmented { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.segmented-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: flex; align-items: center; justify-content: center; min-height: 46px; padding: 8px 12px; border: 1px solid #cbd4e2; border-radius: 11px; color: #445069; font-weight: 700; text-align: center; }
.segmented input:checked + span { color: var(--primary-dark); border-color: var(--primary); background: var(--primary-soft); box-shadow: inset 0 0 0 1px var(--primary); }
.segmented input:focus-visible + span { outline: 3px solid rgba(36,87,214,.28); outline-offset: 2px; }
.form-actions { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; border: 1px solid transparent; border-radius: 11px; padding: 10px 17px; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.button:hover { transform: translateY(-1px); }
.button:disabled { opacity: .62; cursor: wait; transform: none; }
.button-primary { color: #fff; background: var(--primary); box-shadow: 0 9px 22px rgba(36,87,214,.22); }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { color: #fff; background: var(--ink); }
.button-ghost { color: #3d4960; border-color: #cbd4e2; background: #fff; }

.result { margin-top: 30px; border-top: 1px solid var(--line); padding-top: 26px; }
.result[hidden] { display: none; }
.result h3 { font-size: 1.25rem; margin-bottom: 10px; }
.result-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.metric { border: 1px solid var(--line); border-radius: 13px; background: var(--surface-soft); padding: 15px; }
.metric span { display: block; color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.metric strong { display: block; margin-top: 4px; font-size: 1.2rem; }
.due-card { color: #fff; padding: 22px; border-radius: 16px; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.due-card span { display: block; color: #d9e4ff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.due-card strong { display: block; font-size: 2rem; margin-top: 4px; }
.detail-list { margin: 14px 0 0; padding: 0; list-style: none; }
.detail-list li { padding: 11px 0; border-bottom: 1px solid var(--line); }
.detail-list li:last-child { border-bottom: 0; }
.detail-list strong { display: block; }
.result-note { color: var(--muted); font-size: .88rem; margin: 16px 0 0; }
.result-error { padding: 16px; border-radius: 12px; color: var(--danger); background: var(--danger-soft); border: 1px solid #fac7c2; }
.copy-row { display: flex; gap: 10px; margin-top: 18px; }
.certificate-text { padding: 20px; border-left: 4px solid var(--primary); background: var(--primary-soft); border-radius: 0 12px 12px 0; font-family: Georgia, serif; font-size: 1.05rem; }

.side-stack { display: grid; gap: 16px; }
.info-card, .warning-card { display: flex; gap: 14px; padding: 22px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.info-card h2 { font-size: 1rem; margin: 1px 0 6px; }
.info-card p, .warning-card p { margin: 0; color: var(--muted); font-size: .91rem; }
.info-icon { display: grid; flex: 0 0 38px; width: 38px; height: 38px; place-items: center; border-radius: 11px; background: var(--primary-soft); color: var(--primary-dark); font-weight: 850; }
.warning-card { display: block; color: #6c4706; background: var(--warning-soft); border-color: #f0d691; }
.warning-card strong { display: block; margin-bottom: 5px; }
.source-link { display: block; padding: 15px; text-align: center; border-radius: 12px; border: 1px solid var(--line); background: #fff; font-weight: 750; }

.tools-section { background: #fff; }
.section-heading { max-width: 680px; margin-bottom: 30px; }
.section-heading .eyebrow, .contact-section .eyebrow { color: var(--primary); }
.section-heading h2 { margin: 10px 0 0; }
.tool-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.tool-card { display: block; min-height: 230px; padding: 25px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 17px; background: var(--surface-soft); transition: transform .18s, border-color .18s, box-shadow .18s; }
.tool-card:hover { transform: translateY(-4px); border-color: #9ab2ed; box-shadow: 0 16px 35px rgba(30,57,117,.1); }
.tool-card > span { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 13px; color: #fff; background: var(--primary); font-weight: 850; }
.tool-card h3 { margin: 24px 0 9px; }
.tool-card p { color: var(--muted); margin: 0; }
.contact-section { background: var(--surface-soft); }
.contact-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(340px, 1fr); gap: 54px; align-items: center; }
.compact-form { padding: 28px; display: grid; gap: 16px; }
.compact-form .button { width: fit-content; }
.form-status { min-height: 24px; color: var(--accent); font-weight: 700; }
.form-status.is-error { color: var(--danger); }
.trap-field { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }

.check-list { display: grid; gap: 10px; }
.check-card { display: flex; align-items: start; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
.check-card input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--primary); }
.check-card span { display: flex; flex-direction: column; }
.check-card small { color: var(--muted); }
.certificate-options { margin-top: 28px; padding-top: 25px; border-top: 1px solid var(--line); }
.certificate-options > p { color: var(--muted); }
.certificate-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.certificate-item { display: grid; grid-template-columns: minmax(0, 1fr) 90px; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: 13px; }
.certificate-item > label { display: flex; align-items: center; gap: 10px; font-weight: 750; cursor: pointer; }
.certificate-item > label input { width: 18px; height: 18px; accent-color: var(--primary); }
.mini-field label { display: block; font-size: .74rem; color: var(--muted); font-weight: 700; }
.mini-field input { min-height: 39px; padding: 6px 8px; }
.mini-field input:disabled { background: #edf1f6; }

.official-alert { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; padding: 20px 22px; border: 1px solid #efd697; border-radius: 15px; background: var(--warning-soft); }
.official-alert p { margin: 3px 0 0; color: #75541b; }
.search-field { max-width: 640px; margin-bottom: 24px; }
.fee-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.fee-group { padding: 28px; box-shadow: none; }
.fee-group h2 { font-size: 1.3rem; }
.fee-group ul { margin: 0; padding-left: 21px; }
.fee-group li { margin: 7px 0; color: #3e4a60; }
.empty-state { padding: 30px; text-align: center; color: var(--muted); }

.prose { max-width: 900px; padding: clamp(26px, 5vw, 54px); }
.prose h2 { margin-top: 34px; font-size: 1.45rem; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: #465268; }
.document-date { margin-top: 36px; font-size: .86rem; }

.site-footer { padding: 42px 0; color: #d8e1f1; background: #121c30; }
.footer-grid { display: grid; grid-template-columns: 1fr auto minmax(260px, .8fr); gap: 34px; align-items: start; }
.footer-grid p { margin: 5px 0 0; color: #aebbd0; }
.footer-links { display: grid; gap: 7px; }
.footer-links a { color: #e9effa; }
.footer-disclaimer { font-size: .84rem; }
.cookie-banner { position: fixed; z-index: 80; left: 18px; right: 18px; bottom: 18px; max-width: 980px; margin: auto; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 20px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: 0 20px 65px rgba(15,25,48,.25); }
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 4px 0 0; color: var(--muted); font-size: .88rem; }
.cookie-actions { display: flex; flex: 0 0 auto; gap: 8px; }

@media (max-width: 980px) {
    .menu-toggle { display: block; }
    .main-nav { position: absolute; top: 68px; left: 18px; right: 18px; display: none; align-items: stretch; flex-direction: column; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
    .main-nav.is-open { display: flex; }
    .hero-grid, .content-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 34px; }
    .hero-note { max-width: 600px; }
    .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-disclaimer { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
    .shell, .wide-shell { width: min(calc(100% - 24px), var(--shell)); }
    .site-header { position: relative; }
    .version-notice-inner { align-items: stretch; flex-direction: column; gap: 8px; padding-block: 12px; }
    .version-link { text-align: center; }
    .home-hero { padding: 28px 0 58px; }
    .hero-note { padding: 22px; margin-bottom: 0; font-size: 1.18rem; }
    .page-hero { padding: 28px 0 64px; }
    .hero-copy > p { font-size: 1rem; }
    .trust-row { gap: 20px; }
    .section { padding: 52px 0; }
    .section-raised { padding-top: 0; }
    .calculator-card { padding: 21px; }
    .card-heading { flex-direction: column; }
    .form-grid, .form-grid.three-columns, .segmented-three, .certificate-grid, .fee-groups { grid-template-columns: 1fr; }
    .segmented-three { gap: 7px; }
    .result-summary { grid-template-columns: 1fr; }
    .tool-grid { grid-template-columns: 1fr; }
    .tool-card { min-height: auto; }
    .certificate-item { grid-template-columns: 1fr 78px; }
    .official-alert, .cookie-banner { align-items: stretch; flex-direction: column; }
    .cookie-actions { width: 100%; flex-direction: column; }
    .cookie-actions .button { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-disclaimer { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

.zap-number {
    margin-top: 22px;
    padding: 18px 20px;
    background: var(--accent-soft);
    border: 1px solid #a9dfd2;
    border-radius: 14px;
}

.zap-number strong,
.zap-number a {
    display: block;
}

.zap-number a {
    margin-top: 5px;
    color: #08735d;
    font-weight: 800;
}