:root {
    --navy: #111c31;
    --primary: #234f7d;
    --turquoise: #21c7cf;
    --ink: #17263a;
    --muted: #667386;
    --line: #d6dee7;
    --soft: #e9eff5;
    --background: #f2f4f7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; color: var(--ink); background: var(--background); font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible { outline: 3px solid #0998a2; outline-offset: 4px; }
[hidden] { display: none !important; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.topbar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); backdrop-filter: blur(18px); }
.topbar-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 176px; height: auto; }
.navigation { display: flex; align-items: center; gap: 25px; }
.navigation a { font-size: .88rem; font-weight: 700; color: var(--muted); }
.navigation a:hover { color: var(--primary); }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 12px 20px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: .88rem; font-weight: 800; transition: background 160ms, transform 160ms; }
.button:hover { transform: translateY(-2px); background: var(--soft); }
.button.primary, .navigation .primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.button.primary:hover { background: #1b4169; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.menu-toggle svg { width: 22px; vertical-align: middle; }
.hero { padding: 28px 0 48px; background: radial-gradient(ellipse at 85% 20%, rgba(33,199,207,.09), transparent 45%), linear-gradient(#f8fafc, var(--background)); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: .75rem; color: var(--muted); margin-bottom: 34px; }
.breadcrumb a:hover { color: var(--primary); text-decoration: underline; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,1fr); gap: 58px; align-items: center; }
.module-title-row { display: flex; align-items: center; gap: 10px; }
.module-title-row .pro-badge, .module-title-row .free-badge { flex-shrink: 0; }
.pro-badge, .free-badge { display: inline-flex; align-items: center; border: 1px solid #dfd0aa; border-radius: 6px; background: #f4eedf; color: #705421; padding: 4px 7px; font-size: .66rem; letter-spacing: .06em; }
.free-badge { border-color: #bcdcd6; background: #e5f3f0; color: #086b61; }
h1 { max-width: 640px; font-size: clamp(1.35rem, 2.1vw, 1.85rem); letter-spacing: -.04em; line-height: 1.2; color: var(--navy); }
.hero-subtitle { margin-top: 16px; color: var(--primary); font-size: 1.55rem; font-weight: 700; line-height: 1.5; }
.hero-lead { margin-top: 20px; max-width: 590px; font-size: 1rem; line-height: 1.75; color: var(--muted); }
.child-support-note, .hero-scope-note { margin-top: 18px; padding: 12px 16px; border-left: 3px solid #0998a2; border-radius: 0 10px 10px 0; background: #e8f2f3; }
.child-support-note h2, .hero-scope-note h2 { font-size: .9rem; line-height: 1.5; color: var(--primary); }
.child-support-note p, .hero-scope-note p { margin-top: 5px; font-size: .8rem; line-height: 1.65; color: #43566a; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 25px; }
.platforms { margin-top: 15px; font-size: .72rem; color: var(--muted); line-height: 1.6; }
.hero-visual { border-radius: 18px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(17,28,49,.06); }
.hero-art { aspect-ratio: 2.12 / 1; overflow: hidden; }
.hero-art img { width: 100%; height: auto; }
.hero-visual figcaption { padding: 20px 24px; }
.hero-visual figcaption strong { display: block; font-size: 1.1rem; letter-spacing: -.025em; }
.hero-visual figcaption span { display: block; margin-top: 6px; font-size: .8rem; color: var(--muted); }
.benefits { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; margin-top: 42px; padding-top: 26px; border-top: 1px solid var(--line); }
.benefit { display: flex; align-items: flex-start; gap: 12px; }
.benefit-mark { flex: 0 0 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: #e0eff0; color: #087e87; }
.benefit-mark svg { width: 18px; height: 18px; }
.benefit h2 { font-size: .86rem; line-height: 1.5; margin-bottom: 5px; }
.benefit p { font-size: .78rem; line-height: 1.7; color: var(--muted); }
.section { padding: 66px 0; }
.white-section { background: #fff; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--primary); font-size: .72rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; margin-bottom: 12px; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--turquoise); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 28px; }
.section-heading h2, .report-copy h2, .closing h2 { font-size: clamp(1.7rem, 2.7vw, 2.35rem); letter-spacing: -.04em; line-height: 1.18; }
.section-heading p { max-width: 340px; color: var(--muted); font-size: .87rem; line-height: 1.7; }
.workflow-tabs { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 8px; margin-bottom: 20px; }
.workflow-tab { min-height: 64px; padding: 11px 10px; border: 1px solid var(--line); border-radius: 10px; text-align: left; color: var(--muted); background: #f8fafc; font-size: .79rem; font-weight: 800; }
.workflow-tab span { display: block; font-size: .64rem; margin-bottom: 4px; opacity: .75; }
.workflow-tab[aria-selected="true"] { color: #fff; border-color: var(--primary); background: var(--primary); }
.workflow-tab:hover:not([aria-selected="true"]) { background: var(--soft); }
.workflow-panel { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.5fr); gap: 38px; align-items: center; min-height: 350px; padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: #f4f7fa; }
.workflow-copy h3 { font-size: 1.4rem; line-height: 1.3; letter-spacing: -.035em; margin-bottom: 14px; }
.workflow-copy p { color: var(--muted); font-size: .88rem; line-height: 1.75; }
.feature-list { padding: 0; margin: 18px 0 0; list-style: none; }
.feature-list li { display: flex; gap: 9px; margin-top: 10px; font-size: .81rem; line-height: 1.6; }
.feature-list li::before { content: "✓"; color: #087e87; font-weight: 800; }
.screen-button { width: 100%; display: block; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; text-align: left; color: var(--primary); }
.screen-button img { width: 100%; height: auto; max-height: 315px; object-fit: contain; background: #fff; }
.screen-button span { display: flex; justify-content: space-between; gap: 15px; padding: 12px 14px; border-top: 1px solid var(--line); font-size: .7rem; font-weight: 700; }
.screen-button:hover { border-color: var(--primary); }
.screen-note { margin-top: 10px; font-size: .68rem; color: var(--muted); line-height: 1.5; }
.scope { margin-top: 22px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
.scope > summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 22px; font-size: .85rem; font-weight: 800; background: #f8fafc; }
.scope > summary::after, .technical-detail > summary::after { content: "+"; flex-shrink: 0; font-size: 1.3rem; font-weight: 500; }
.scope[open] > summary::after, .technical-detail[open] > summary::after { content: "−"; }
.scope-intro { padding: 20px 22px 8px; font-size: .83rem; line-height: 1.7; color: var(--muted); }
.technical-detail { margin: 0 22px; border-bottom: 1px solid var(--line); }
.technical-detail:last-child { border-bottom: 0; }
.technical-detail > summary { display: flex; align-items: center; gap: 14px; padding: 17px 0; font-size: .85rem; font-weight: 750; }
.technical-detail > summary::after { margin-left: auto; }
.step-number { color: #8393a5; font-size: .68rem; font-variant-numeric: tabular-nums; }
.technical-body { padding-bottom: 22px; }
.technical-body ul { padding-left: 20px; color: var(--muted); font-size: .82rem; line-height: 1.8; }
.technical-body li + li { margin-top: 8px; }
.technical-images { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.technical-image { display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 7px; background: #f4f7fa; color: var(--primary); font-size: .76rem; }
.report-section { background: var(--navy); color: #fff; }
.report-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 62px; align-items: center; }
.report-copy .eyebrow { color: #8fced2; }
.report-copy > p { margin-top: 18px; color: #b8c6d8; font-size: .91rem; line-height: 1.8; }
.report-copy .feature-list { color: #dde7f2; }
.report-copy .feature-list li::before { color: var(--turquoise); }
.report-copy .button { margin-top: 25px; color: var(--navy); background: #fff; }
.report-visual .screen-button { transform: rotate(-1deg); box-shadow: 0 20px 50px rgba(0,0,0,.22); }
.report-visual .screen-button img { max-height: 280px; }
.report-visual .screen-note { color: #aebfd2; text-align: center; margin-top: 18px; }
.closing { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,1fr); gap: 56px; align-items: start; }
.closing-copy p { max-width: 520px; margin-top: 15px; color: var(--muted); font-size: .9rem; line-height: 1.75; }
.closing-copy .pro-badge, .closing-copy .free-badge { margin-bottom: 16px; }
.closing-copy .subscription-note { font-size: .75rem; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { display: flex; justify-content: space-between; gap: 20px; font-size: .87rem; font-weight: 800; }
.faq summary::after { content: "+"; }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--muted); margin-top: 12px; font-size: .81rem; line-height: 1.75; }
.footer { padding: 26px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; color: var(--muted); font-size: .72rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer a:hover { color: var(--primary); }
.image-dialog { width: min(1240px,calc(100% - 40px)); max-height: calc(100dvh - 40px); padding: 0; border: 0; border-radius: 14px; background: #fff; color: var(--ink); }
.image-dialog::backdrop { background: rgba(9,21,37,.84); backdrop-filter: blur(5px); }
.dialog-bar { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.dialog-bar h2 { font-size: .85rem; line-height: 1.5; }
.dialog-close { flex: 0 0 42px; height: 42px; border: 1px solid var(--line); border-radius: 9px; background: #f4f7fa; color: var(--ink); font-size: 1.4rem; }
.dialog-media { padding: 12px; overflow: auto; max-height: calc(100dvh - 180px); background: #e9eff5; }
.dialog-media img { margin: auto; width: auto; max-height: calc(100dvh - 215px); object-fit: contain; }
.dialog-footer { display: flex; justify-content: flex-end; padding: 12px 18px; }
.dialog-footer a { color: var(--primary); font-size: .78rem; font-weight: 750; text-decoration: underline; }
@media (max-width: 1000px) {
    .hero-grid { gap: 30px; grid-template-columns: 1.3fr 1fr; }
    .navigation { gap: 17px; }
    .workflow-panel { gap: 22px; padding: 24px; }
    .report-grid, .closing { gap: 32px; }
}
@media (max-width: 760px) {
    html { scroll-padding-top: 90px; }
    .container { width: calc(100% - 32px); }
    .topbar-inner { min-height: 68px; }
    .brand img { width: 145px; }
    .menu-toggle { display: block; }
    .navigation { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 20px 16px; border-bottom: 1px solid var(--line); background: #fff; }
    .navigation.is-open { display: flex; flex-direction: column; align-items: stretch; }
    .navigation a { padding: 10px; }
    .hero { padding: 22px 0 30px; }
    .breadcrumb { font-size: .68rem; margin-bottom: 24px; }
    .hero-grid { grid-template-columns: 1fr; gap: 24px; }
    h1 { font-size: clamp(1.1rem, 3.8vw, 1.55rem); max-width: 590px; }
    .hero-subtitle { margin-top: 14px; font-size: 1.375rem; }
    .module-title-row { gap: 8px; }
    .hero-lead { font-size: .9rem; line-height: 1.7; margin-top: 16px; }
    .actions { margin-top: 20px; gap: 9px; }
    .actions .button { flex: 1 1 auto; font-size: .79rem; padding: 12px; }
    .hero-visual { display: flex; align-items: center; border-radius: 12px; }
    .hero-art { flex: 0 0 38%; aspect-ratio: 1.6 / 1; }
    .hero-art img { width: 133%; max-width: none; transform: translateX(-12%); }
    .hero-visual figcaption { padding: 12px 15px; }
    .hero-visual figcaption strong { font-size: .86rem; line-height: 1.45; }
    .hero-visual figcaption span { font-size: .71rem; line-height: 1.5; }
    .benefits { gap: 20px; grid-template-columns: 1fr; margin-top: 26px; padding-top: 24px; }
    .benefit h2 { font-size: .84rem; }
    .benefit p { font-size: .77rem; }
    .section { padding: 40px 0; }
    .section-heading { display: block; margin-bottom: 22px; }
    .section-heading p { margin-top: 12px; max-width: none; font-size: .81rem; }
    .workflow-tabs { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; }
    .workflow-tab { font-size: .73rem; padding: 10px; min-height: 60px; }
    .workflow-panel { grid-template-columns: 1fr; min-height: 0; padding: 20px 16px; gap: 22px; }
    .workflow-copy h3 { font-size: 1.25rem; }
    .workflow-copy p { font-size: .84rem; }
    .screen-button img { max-height: 260px; }
    .screen-button span { padding: 10px; font-size: .65rem; }
    .scope > summary { padding: 16px; font-size: .79rem; }
    .scope-intro { padding-inline: 16px; }
    .technical-detail { margin-inline: 16px; }
    .technical-detail > summary { font-size: .8rem; gap: 9px; }
    .report-grid, .closing { grid-template-columns: 1fr; gap: 32px; }
    .report-copy > p { font-size: .86rem; }
    .report-visual { max-width: 540px; }
    .report-visual .screen-button { transform: none; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 15px; }
    .image-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); }
    .dialog-bar { padding: 10px; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}

/* Four-stage modules retain the shared responsive workflow. */
.workflow-tabs--four { grid-template-columns: repeat(4,minmax(0,1fr)); }
@media (max-width: 760px) {
    .workflow-tabs--four { grid-template-columns: repeat(2,minmax(0,1fr)); }
}