/* Shared visual foundation for the landing and email-linked adoption pages. */
:root {
  --ink: #10242e;
  --muted: #52636d;
  --line: #e3e8eb;
  --surface: #f5f7f8;
  --accent: #ce390d;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; font-size: 16px; line-height: 1.65; word-break: keep-all; overflow-wrap: anywhere; -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -.04em; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
button, a, input, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
[hidden] { display: none !important; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20; padding: 10px 16px; background: white; transform: translateY(-150%); clip-path: inset(50%); }
.skip-link:focus { transform: none; clip-path: none; }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 24px; min-height: 50px; padding: 12px 22px; border: 1px solid var(--ink); border-radius: 7px; background: var(--ink); color: white; font-weight: 650; font-size: 15px; white-space: nowrap; transition: background .18s; }
.btn:hover { background: #284450; }
.btn-small { min-height: 42px; padding: 8px 16px; font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 15px; font-weight: 600; }
.text-link:hover { color: var(--accent); }
.eyebrow { color: var(--muted); font-size: 14px; font-weight: 600; margin-bottom: 18px; }
.logo { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 23px; font-weight: 800; letter-spacing: -.045em; flex-shrink: 0; }
.mark { width: 29px; height: 29px; background: url('img/logo-mark.png') center / contain no-repeat; flex-shrink: 0; }
.navbar { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; min-height: 76px; gap: 44px; }
#navLinks { display: flex; gap: 26px; align-items: center; }
#navLinks a, .login { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; }
#navLinks a:hover, .login:hover { color: var(--ink); }
#navLinks .mobile-login { display: none; }
.nav-actions { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: .95fr 1.2fr; gap: 56px; align-items: center; padding-block: 96px 88px; }
.hero h1 { font-size: clamp(38px, 4.2vw, 57px); font-weight: 750; line-height: 1.2; letter-spacing: -.055em; }
.hero h1 em { color: var(--accent); font-style: normal; }
.lead { margin-top: 24px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 32px; }
.hero-note { margin-top: 15px; color: var(--muted); font-size: 13px; }
.screenshot { min-width: 0; }
.hero-screen { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.screen-label { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; padding: 0 3px 13px; color: var(--muted); }
.screen-label > span:last-child { margin-left: auto; font-size: 11px; font-weight: 400; }
.screen-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.image-open { display: block; width: 100%; border: 0; padding: 0; background: white; border-radius: 6px; overflow: hidden; cursor: zoom-in; }
.image-open img { display: block; width: 100%; height: auto; }
.hero-screen figcaption { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); padding: 14px 3px 0; }
.hero-screen figcaption span { font-size: 11px; }
.image-error { font-size: 14px; padding: 20px; color: var(--muted); background: var(--surface); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); padding-block: 32px; }
.features article { position: relative; padding-inline: 32px; }
.features article:first-of-type { padding-left: 0; }
.features article:last-child { padding-right: 0; }
.features article + article { border-left: 1px solid var(--line); }
.feature-number { display: block; margin-bottom: 14px; color: var(--accent); font-size: 12px; font-variant-numeric: tabular-nums; }
.features h3 { font-size: 19px; font-weight: 650; margin-bottom: 7px; }
.features p { font-size: 15px; color: var(--muted); }
.section { padding-block: 88px; }
h2 { font-size: clamp(29px, 3.2vw, 38px); font-weight: 700; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 36px; }
.section-heading > p { color: var(--muted); font-size: 14px; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.proof-card .image-open { background: var(--surface); border: 1px solid var(--line); padding: 18px; border-radius: 10px; }
.proof-card img { width: 100%; height: 245px; object-fit: contain; }
.proof-card figcaption { padding-top: 18px; }
.proof-card strong { display: block; font-size: 18px; font-weight: 650; margin-bottom: 5px; }
.proof-card figcaption span { display: block; font-size: 14px; color: var(--muted); }
.caption-note { color: var(--muted); font-size: 12px; margin-top: 22px; }
.send-flow { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 32px; }
.send-flow h3 { font-size: 20px; margin-bottom: 7px; }
.send-flow p { color: var(--muted); font-size: 15px; }
.send-flow ol { display: flex; align-items: center; gap: 16px; padding: 0; margin: 0; list-style: none; font-size: 14px; font-weight: 600; }
.send-flow li { display: flex; align-items: center; gap: 16px; }
.send-flow li + li::before { content: '→'; font-weight: 400; color: var(--muted); }
.parent-note { font-size: 14px; color: var(--muted); margin-top: 22px; }
.pricing-section { padding-block: 80px; background: var(--surface); border-block: 1px solid var(--line); }
.pricing-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding: 44px 48px; background: white; border: 1px solid var(--line); border-radius: 12px; }
.price-label { font-size: 15px; color: var(--muted); }
.unit-price { font-size: 66px; line-height: 1.3; font-weight: 750; letter-spacing: -.05em; font-variant-numeric: tabular-nums; margin-top: 3px; }
.unit-price span { font-size: 26px; font-weight: 500; margin-left: 8px; }
.minimum-price { margin-top: 7px; font-size: 14px; color: var(--muted); }
.included { border-top: 1px solid var(--line); margin-top: 27px; padding-top: 24px; }
.included h3 { font-size: 19px; line-height: 1.55; font-weight: 600; }
.included p { margin-top: 10px; font-size: 14px; color: var(--muted); }
.included .overage { margin-top: 4px; font-size: 13px; }
.volume-note { margin-top: 21px; font-size: 13px; color: var(--muted); }
.fee-calc { border-left: 1px solid var(--line); padding-left: 48px; }
.fee-calc h3 { font-size: 21px; font-weight: 650; margin-bottom: 28px; }
.fee-calc label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.count-input { display: flex; align-items: center; gap: 12px; }
.count-input input { width: 100%; min-width: 0; border: 1px solid #a9b7bf; border-radius: 6px; background: white; color: var(--ink); padding: 11px 14px; font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.count-input input[aria-invalid='true'] { border-color: var(--accent); }
.count-input > span { font-size: 15px; color: var(--muted); }
.input-help { font-size: 13px; color: var(--muted); margin-top: 9px; }
.input-error { font-size: 13px; color: var(--accent); margin-top: 8px; }
.fc-out { border-top: 1px solid var(--line); margin-top: 27px; padding-top: 24px; }
.fc-label { color: var(--muted); font-size: 13px; }
.fc-amount { font-size: clamp(34px, 3.2vw, 44px); font-weight: 700; line-height: 1.35; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.fc-amount span { font-size: 21px; font-weight: 500; margin-left: 5px; }
.fc-basis { font-size: 13px; color: var(--muted); margin-top: 6px; min-height: 22px; }
.calculator-note { margin-top: 18px; color: var(--muted); font-size: 12px; }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.faq-section .text-link { color: var(--muted); margin-top: 22px; font-size: 14px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; padding: 18px 0; font-size: 16px; font-weight: 600; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 22px; font-weight: 400; color: var(--muted); }
details[open] summary::after { content: '−'; }
details p { color: var(--muted); font-size: 15px; padding: 0 28px 24px 0; line-height: 1.85; }
.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 32px; background: var(--surface); border-radius: 12px; padding: 48px; margin-bottom: 72px; }
.final-cta h2 { font-size: 32px; }
.final-cta .eyebrow { margin-bottom: 12px; }
.final-cta .btn { flex-shrink: 0; }
footer { border-top: 1px solid var(--line); padding-block: 30px; }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; flex-wrap: wrap; column-gap: 22px; font-size: 12px; color: var(--muted); }
.footer-links a { display: flex; align-items: center; min-height: 44px; }
.footer-bottom { margin-top: 18px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.image-dialog { padding: 0; width: min(1400px, calc(100% - 48px)); max-width: none; max-height: calc(100dvh - 48px); border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: white; }
.image-dialog::backdrop { background: rgba(10,24,32,.72); }
.dialog-heading { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 20px; background: white; border-bottom: 1px solid var(--line); }
.dialog-heading h2 { font-size: 17px; }
.dialog-close { display: flex; gap: 12px; align-items: center; min-height: 44px; border: 0; background: var(--surface); border-radius: 5px; padding: 8px 14px; color: var(--ink); font-size: 14px; }
.dialog-close span { font-size: 24px; line-height: 1; }
.dialog-image { overflow: auto; max-height: calc(100dvh - 140px); background: var(--surface); }
.dialog-image img { display: block; width: 100%; height: auto; }
#dialogError { padding: 24px; font-size: 15px; }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .nav-inner { gap: 26px; }
  #navLinks { gap: 20px; }
  .hero { gap: 32px; }
  .hero h1 { font-size: 42px; }
  .hero-actions { gap: 16px; }
  .proof-card img { height: 210px; }
  .pricing-panel { padding: 36px; gap: 36px; }
  .fee-calc { padding-left: 36px; }
}
@media (max-width: 800px) {
  .nav-inner { min-height: 68px; }
  .nav-actions { gap: 12px; }
  .login { display: none; }
  #navLinks { display: none; position: absolute; inset: 68px 0 auto; padding: 16px 24px; background: white; border-bottom: 1px solid var(--line); }
  #navLinks.open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  #navLinks a { min-height: 48px; padding-inline: 8px; font-size: 16px; }
  #navLinks .mobile-login { display: flex; border-top: 1px solid var(--line); margin-top: 8px; padding-top: 8px; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-width: 44px; min-height: 44px; border: 0; background: transparent; padding: 10px; }
  .menu-toggle span { width: 21px; height: 1.5px; background: var(--ink); transition: transform .15s; }
  .menu-toggle[aria-expanded='true'] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded='true'] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .hero { grid-template-columns: 1fr; padding-block: 56px; gap: 36px; }
  .hero h1 { font-size: clamp(38px, 6.5vw, 52px); }
  .hero-screen { max-width: 650px; width: 100%; }
  .features article { padding-inline: 20px; }
  .features h3 { font-size: 17px; }
  .features p { font-size: 14px; }
  .section { padding-block: 64px; }
  .proof-grid { gap: 16px; }
  .proof-card .image-open { padding: 10px; }
  .proof-card img { height: 180px; }
  .proof-card strong { font-size: 16px; }
  .send-flow { flex-direction: column; align-items: flex-start; gap: 20px; }
  .pricing-section { padding-block: 60px; }
  .pricing-panel { gap: 28px; padding: 28px; }
  .fee-calc { padding-left: 28px; }
  .faq-section { grid-template-columns: 1fr; gap: 28px; }
  .faq-section h2 br { display: none; }
  .final-cta { padding: 32px; margin-bottom: 56px; }
  .final-cta h2 { font-size: 27px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 40px); }
  html { scroll-padding-top: 84px; }
  .logo { font-size: 22px; }
  .mark { width: 27px; height: 27px; }
  .nav-actions { gap: 5px; }
  .btn-small { padding-inline: 12px; font-size: 13px; }
  .hero { padding-block: 42px; gap: 30px; }
  .hero .eyebrow { font-size: 13px; margin-bottom: 16px; }
  .hero h1 { font-size: clamp(33px, 9.6vw, 43px); }
  .lead { font-size: 16px; margin-top: 20px; }
  .hero-actions { gap: 18px; margin-top: 24px; }
  .hero-actions .btn { font-size: 14px; padding-inline: 16px; gap: 16px; }
  .hero-actions .text-link { font-size: 14px; }
  .hero-screen { padding: 12px; }
  .hero-screen figcaption { font-size: 11px; }
  .hero-screen figcaption span { font-size: 10px; }
  .features { grid-template-columns: 1fr; padding-block: 0; }
  .features article, .features article:first-of-type, .features article:last-child { padding: 21px 0 21px 38px; }
  .features article + article { border-left: 0; border-top: 1px solid var(--line); }
  .feature-number { position: absolute; top: 23px; left: 0; margin: 0; }
  .features h3 { font-size: 18px; margin-bottom: 4px; }
  .section { padding-block: 52px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 26px; }
  .eyebrow { margin-bottom: 12px; font-size: 13px; }
  h2 { font-size: 30px; }
  .proof-grid { grid-template-columns: 1fr; gap: 28px; }
  .proof-card .image-open { padding: 18px; }
  .proof-card img { height: 225px; }
  .proof-card figcaption { padding-top: 12px; }
  .proof-card strong { font-size: 18px; }
  .caption-note { margin-top: 20px; }
  .send-flow { margin-top: 32px; padding-top: 24px; gap: 16px; }
  .send-flow h3 { font-size: 19px; }
  .send-flow p { font-size: 14px; }
  .send-flow ol, .send-flow li { gap: 12px; }
  .parent-note { font-size: 13px; }
  .pricing-section { padding-block: 48px; }
  .pricing-panel { grid-template-columns: 1fr; padding: 26px 22px; gap: 30px; }
  .unit-price { font-size: 60px; }
  .fee-calc { padding: 26px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .fee-calc h3 { margin-bottom: 22px; }
  .included h3 { font-size: 18px; }
  .minimum-price, .included p { font-size: 13px; }
  .volume-note { font-size: 12px; }
  .fc-amount { font-size: 39px; }
  .faq-section .text-link { margin-top: 12px; }
  summary { font-size: 15px; min-height: 64px; }
  details p { font-size: 14px; padding-right: 10px; }
  .final-cta { flex-direction: column; align-items: flex-start; padding: 28px 24px; gap: 24px; margin-bottom: 40px; }
  .final-cta h2 { font-size: 27px; }
  .footer-links { gap: 0 18px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; margin-top: 14px; }
  .image-dialog { width: calc(100% - 20px); max-height: calc(100dvh - 24px); border-radius: 8px; }
  .dialog-heading { padding: 8px 12px; }
  .dialog-heading h2 { font-size: 15px; }
  .dialog-image img { min-width: 800px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}