/*
 * 홈페이지 전체 리뉴얼(2026-09-27) — 기능을 나열하던 긴 페이지를 걷어내고,
 * 핵심 4가지(피부를 기억하는 앱 · 3가지 촬영 순간 · 매거진 형태의 고급스러움 ·
 * 화장품 분석)만 임팩트 있게 전달한다. 색 토큰은 app.ai-skindna.com의 실제
 * 매거진 UI(magazinePalette.ts)와 통일했다 — 마케팅 목업이 실제 화면과 다르지 않게.
 */
:root {
  --ink: #1B2233;
  --ink-soft: #5B6474;
  --ink-faint: #8991A0;
  --bg: #F4F6FA;
  --surface: #FFFFFF;
  --surface-alt: #EEF1F7;
  --line: #E3E7EF;
  --purple: #6C4CF1;
  --purple-soft: #EFEAFE;
  --blue: #2F6FED;
  --blue-soft: #E8F0FE;
  --cyan: #0BB4C4;
  --coral: #FF5F6D;
  --grad: linear-gradient(135deg, #6C4CF1 0%, #2F6FED 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 800; }
p { margin: 0; line-height: 1.7; color: var(--ink-soft); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kicker {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 0.14em;
  color: var(--purple); text-transform: uppercase; margin-bottom: 10px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 800; font-size: 15px;
  border: 1.5px solid transparent; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 28px rgba(47,111,237,.24); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 32px rgba(47,111,237,.32); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--purple); color: var(--purple); }
.btn-sm { padding: 10px 18px; font-size: 13.5px; }
.btn-block { width: 100%; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero-benefits { display: flex; flex-direction: column; gap: 8px; margin-top: 26px; }
.hero-benefits span { font-size: 13.5px; font-weight: 600; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; }
.hero-benefits .tick { color: var(--purple); font-weight: 800; font-style: normal; }

/* ── nav ─────────────────────────────────────────────────────── */
.nav-bar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244,246,250,.9); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; }
.brand img { height: 22px; }
.nav-links { display: flex; gap: 28px; font-size: 14px; font-weight: 700; color: var(--ink-soft); }
.nav-links a:hover { color: var(--purple); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.link-btn { font-size: 14px; font-weight: 700; color: var(--ink-soft); }
.menu-btn { display: none; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--ink); }
.mobile-menu { display: none; flex-direction: column; background: var(--surface); border-top: 1px solid var(--line); padding: 8px 24px 16px; }
.mobile-menu a { padding: 12px 0; font-weight: 700; color: var(--ink); border-bottom: 1px solid var(--line); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-actions .link-btn, .nav-actions .btn-sm { display: none; }
  .menu-btn { display: block; }
  .mobile-menu:not([hidden]) { display: flex; }
}

/* ── hero ────────────────────────────────────────────────────── */
.hero {
  padding: 64px 0 40px;
  background:
    radial-gradient(circle at 8% 12%, rgba(108,76,241,.08), transparent 26rem),
    radial-gradient(circle at 96% 40%, rgba(11,180,196,.06), transparent 28rem);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero-copy h1 { font-size: 42px; letter-spacing: -0.02em; }
.hero-sub { margin-top: 18px; font-size: 16.5px; line-height: 1.8; }
.hero-visual { position: relative; border-radius: 28px; overflow: hidden; aspect-ratio: 4/5; background: var(--surface-alt); }
.hero-model { width: 100%; height: 100%; object-fit: cover; }
.hero-glow { position: absolute; inset: 0; opacity: .3; mix-blend-mode: screen; pointer-events: none; }
.hero-float {
  position: absolute; left: 18px; bottom: 18px; background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px); border-radius: 16px; padding: 12px 16px; box-shadow: 0 12px 30px rgba(27,34,51,.14);
}
.hero-float-tag { display: block; font-size: 10px; font-weight: 800; letter-spacing: .1em; color: var(--purple); margin-bottom: 4px; }
.hero-float b { font-size: 14px; color: var(--ink); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 32px; }
  .hero-visual { aspect-ratio: 16/11; }
  .br-desktop { display: none; }
}

/* ── pillars ─────────────────────────────────────────────────── */
.pillars { padding: 10px 0 56px; }
.pillars-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pillar {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 22px;
  box-shadow: 0 10px 26px rgba(27,34,51,.05);
}
.pillar-icon {
  width: 42px; height: 42px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg,var(--purple-soft),var(--blue-soft)); color: var(--purple); font-size: 19px; margin-bottom: 14px;
}
.pillar h3 { font-size: 16px; margin-bottom: 8px; }
.pillar p { font-size: 13.5px; }
@media (max-width: 860px) { .pillars-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pillars-grid { grid-template-columns: 1fr; } }

/* ── section heading ─────────────────────────────────────────── */
.heading { max-width: 560px; margin-bottom: 36px; }
.heading.centered { max-width: 620px; margin-left: auto; margin-right: auto; text-align: center; }
.heading h2 { font-size: 30px; letter-spacing: -0.01em; }

section { padding: 64px 0; }

/* ── capture ─────────────────────────────────────────────────── */
.capture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.capture-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 26px;
  position: relative; box-shadow: 0 10px 26px rgba(27,34,51,.05);
}
.capture-card.is-accent { border-color: var(--purple); box-shadow: 0 16px 36px rgba(108,76,241,.14); }
.capture-num { position: absolute; top: 22px; right: 24px; font-size: 12px; font-weight: 800; color: var(--ink-faint); }
.capture-icon {
  width: 46px; height: 46px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--purple-soft); color: var(--purple); font-size: 20px; margin-bottom: 16px;
}
.capture-time { display: block; font-size: 12px; font-weight: 800; color: var(--purple); margin-bottom: 6px; }
.capture-card h3 { font-size: 19px; margin-bottom: 8px; }
.capture-card p { font-size: 13.5px; }
.capture-tags { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.capture-tags li { font-size: 12px; font-weight: 700; color: var(--ink-faint); padding-left: 14px; position: relative; }
.capture-tags li::before { content: '·'; position: absolute; left: 2px; color: var(--purple); font-weight: 800; }
.capture-note { margin-top: 22px; font-size: 13.5px; color: var(--ink-faint); text-align: center; }
.area-row { margin-top: 30px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.area-row-label { font-size: 12.5px; font-weight: 800; color: var(--ink-faint); }
.area-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.area-chips span { font-size: 12.5px; font-weight: 700; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; }
@media (max-width: 860px) { .capture-grid { grid-template-columns: 1fr; } }

/* ── magazine ────────────────────────────────────────────────── */
.magazine { background: var(--surface-alt); }
.magazine-grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: 48px; align-items: center; }
.magazine-copy p { margin-top: 16px; font-size: 15px; }
.magazine-list { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.magazine-list li {
  font-size: 14px; font-weight: 700; color: var(--ink); padding-left: 22px; position: relative;
}
.magazine-list li::before { content: '✓'; position: absolute; left: 0; color: var(--purple); font-weight: 800; }
.magazine-copy .btn { margin-top: 26px; }

.mag-cover {
  background: var(--surface); border-radius: 24px; padding: 28px; text-align: center;
  box-shadow: 0 24px 60px rgba(27,34,51,.12); max-width: 340px; margin: 0 auto;
}
.mag-brand-row { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 6px; }
.mag-brand { font-size: 13px; font-weight: 800; letter-spacing: .12em; color: var(--purple); }
.mag-badge { font-size: 10px; font-weight: 800; color: #fff; background: var(--coral); padding: 2px 8px; border-radius: 999px; }
.mag-edition { display: block; font-size: 10.5px; font-weight: 800; color: var(--blue); letter-spacing: .1em; margin-bottom: 6px; }
.mag-title { font-size: 22px; margin-bottom: 4px; }
.mag-date { display: block; font-size: 12.5px; color: var(--ink-soft); margin-bottom: 20px; }
.mag-score { margin-bottom: 20px; }
.mag-score b { display: block; font-size: 44px; font-weight: 800; color: var(--purple); line-height: 1; }
.mag-score small { font-size: 12px; font-weight: 700; color: var(--ink-faint); }
.mag-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.mag-chips span {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 1.5px solid var(--line); border-radius: 14px; padding: 8px 14px; min-width: 58px;
}
.mag-chips em { font-style: normal; font-size: 11px; font-weight: 600; color: var(--ink-soft); }
.mag-chips b { font-size: 16px; font-weight: 800; color: var(--purple); }
@media (max-width: 860px) { .magazine-grid { grid-template-columns: 1fr; } .magazine-visual { order: -1; } }

/* ── trend ───────────────────────────────────────────────────── */
.trend-grid { display: grid; grid-template-columns: 0.9fr 1fr; gap: 48px; align-items: center; }
.trend-copy p { margin-top: 16px; font-size: 15px; }
.trend-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 24px;
  max-width: 340px; margin: 0 auto; box-shadow: 0 16px 40px rgba(27,34,51,.08);
}
.trend-bars { display: flex; align-items: flex-end; gap: 8px; height: 90px; margin: 18px 0 14px; }
.trend-bars span { flex: 1; border-radius: 6px 6px 2px 2px; background: var(--surface-alt); }
.trend-bars span.on { background: var(--grad); }
.trend-note { font-size: 13px; color: var(--ink-soft); }
@media (max-width: 860px) { .trend-grid { grid-template-columns: 1fr; } .trend-visual { order: -1; } }

/* ── ai consult ──────────────────────────────────────────────── */
.ai-consult { background: linear-gradient(135deg,#1B2233 0%,#2B3350 100%); color: #fff; }
.ai-grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: 40px; align-items: center; }
.kicker-light { color: #B9C2FF; }
.ai-copy h2 { color: #fff; }
.ai-copy p { color: #C7CBD6; margin-top: 16px; font-size: 15px; }
.ai-chips { display: flex; flex-direction: column; gap: 10px; }
.ai-chips span {
  display: block; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px; padding: 13px 16px; font-size: 13.5px; font-weight: 600; color: #EDEFF4;
}
@media (max-width: 860px) { .ai-grid { grid-template-columns: 1fr; } }

/* ── trust ───────────────────────────────────────────────────── */
.trust { padding: 40px 0; background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-note { max-width: 680px; margin: 0 auto; text-align: center; color: var(--ink-soft); font-size: 13.5px; line-height: 1.8; }
.trust-note b { color: var(--ink); }

/* ── business ────────────────────────────────────────────────── */
.business-row { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.business-row p { margin-top: 14px; font-size: 14.5px; }
.business-actions { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.business-links { display: flex; gap: 10px; flex-wrap: wrap; }
.business-links a { font-size: 13px; font-weight: 700; color: var(--purple); background: var(--purple-soft); padding: 8px 14px; border-radius: 999px; }
@media (max-width: 860px) { .business-row { grid-template-columns: 1fr; } .business-actions { align-items: stretch; } }

/* ── cosmetics ───────────────────────────────────────────────── */
.cosmetics-grid { display: grid; grid-template-columns: 0.9fr 1fr; gap: 48px; align-items: center; }
.cosmetics-copy p { margin-top: 16px; font-size: 15px; }
.cos-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 24px;
  max-width: 340px; margin: 0 auto; box-shadow: 0 16px 40px rgba(27,34,51,.08);
}
.cos-tag { display: inline-block; font-size: 11px; font-weight: 800; color: var(--purple); background: var(--purple-soft); padding: 4px 10px; border-radius: 999px; margin-bottom: 10px; }
.cos-card h4 { font-size: 16px; margin-bottom: 10px; }
.cos-pill-row { display: flex; gap: 8px; margin-bottom: 16px; }
.cos-pill-row span { font-size: 12px; font-weight: 700; color: var(--ink-soft); background: var(--surface-alt); padding: 5px 10px; border-radius: 999px; }
.cos-products { display: flex; flex-direction: column; gap: 10px; }
.cos-products li { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--surface-alt); border-radius: 12px; }
.cos-products b { font-size: 13.5px; }
.cos-products small { font-size: 11px; color: var(--ink-faint); }
@media (max-width: 860px) { .cosmetics-grid { grid-template-columns: 1fr; } .cosmetics-visual { order: -1; } }

/* ── pricing ─────────────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 760px; margin: 0 auto; }
.plan {
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 22px; padding: 28px;
  box-shadow: 0 10px 26px rgba(27,34,51,.05);
}
.plan-premium { border-color: var(--purple); box-shadow: 0 20px 44px rgba(108,76,241,.16); }
.plan-badge { display: inline-block; font-size: 11px; font-weight: 800; color: var(--ink-soft); background: var(--surface-alt); padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }
.plan-badge-accent { color: #fff; background: var(--grad); }
.plan h3 { font-size: 17px; margin-bottom: 10px; }
.plan-price { font-size: 30px; font-weight: 800; margin-bottom: 16px; }
.plan-price small { font-size: 12px; font-weight: 700; color: var(--ink-faint); }
.plan ul { margin-bottom: 22px; display: flex; flex-direction: column; gap: 8px; }
.plan li { font-size: 13.5px; color: var(--ink-soft); padding-left: 18px; position: relative; }
.plan li::before { content: '·'; position: absolute; left: 4px; color: var(--purple); font-weight: 800; }
@media (max-width: 640px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ── footer ──────────────────────────────────────────────────── */
.site-footer { background: #1B2233; color: #EDEFF4; padding: 44px 0 32px; }
.footer-row { display: flex; flex-direction: column; gap: 16px; }
.footer-row img { height: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13.5px; }
.footer-links a { color: #C7CBD6; }
.footer-links a:hover { color: #fff; }
.site-footer small { color: #8991A0; font-size: 12px; line-height: 1.7; }