/* KAPTU landing — warm minimal premium, palette từ app/lib/core/theme.dart */
:root {
  --bg: #FFFDF7; --ink: #241F1B; --ink2: #4A443D; --muted: #7A736C;
  --line: #ECE3D6; --accent: #E8765A; --accent-dark: #D5624A;
  --marker: #FFCE4D; --ivory: #FFF3D6; --cream: #F7EEDC; --white: #FFFFFF;
  --green-soft: #E4F1E0; --coral-soft: #FFE9E2;
  --shadow-phone: 0 40px 80px -24px rgba(120, 60, 30, .35), 0 12px 24px -12px rgba(120, 60, 30, .2);
  --shadow-chip: 0 10px 24px -8px rgba(70, 45, 20, .22);
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans SC', sans-serif;
  /* gradient splash của app: #F0B98D → #E8765A → #CF5A44 */
  background:
    radial-gradient(1000px 500px at 85% -60px, rgba(255, 206, 77, .35), transparent 65%),
    linear-gradient(180deg, #F0B98D 0%, #E8765A 480px, #E8765A 100%);
  background-attachment: fixed;
  color: var(--ink); line-height: 1.65; overflow-x: hidden;
}
h1, h2, .brand, .eyebrow b {
  font-family: 'Be Vietnam Pro', 'Noto Sans', sans-serif;
  letter-spacing: -0.02em;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent-dark); }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* header */
.top { padding-top: 22px; padding-bottom: 12px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 24px; font-weight: 800; color: var(--ink); text-decoration: none;
}
.brand-mark {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  background: var(--marker); border-radius: 12px; font-weight: 800;
  box-shadow: 0 6px 14px -4px rgba(200, 140, 20, .5);
}

/* hero */
.hero {
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 40px;
  align-items: center; padding-top: 56px; padding-bottom: 96px;
}
.hero h1 {
  font-size: clamp(40px, 5.6vw, 68px); font-weight: 800; line-height: 1.18;
}
.hero h1 .hl {
  font-style: normal; color: var(--accent-dark);
  background: linear-gradient(180deg, transparent 62%, rgba(255, 206, 77, .65) 62%);
  border-radius: 4px; padding: 0 .08em;
}
.hero-sub { margin-top: 26px; font-size: 19px; color: var(--ink2); max-width: 44ch; }
.badges { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: var(--white); text-decoration: none;
  font-weight: 700; font-size: 16.5px; border-radius: 16px; padding: 15px 24px;
  box-shadow: 0 14px 28px -10px rgba(36, 31, 27, .45);
  transition: transform .18s ease, box-shadow .18s ease;
}
.badge:hover { transform: translateY(-3px); box-shadow: 0 20px 36px -12px rgba(36, 31, 27, .5); }
.badge-ic { font-size: 18px; }
.soon { margin-top: 16px; color: var(--ink2); font-size: 14.5px; }

/* phone + halo + chip */
.hero-visual, .scene-visual { position: relative; justify-self: center; }
.halo {
  position: absolute; inset: -12% -22%; z-index: -1;
  background: radial-gradient(closest-side, var(--coral-soft), transparent 72%);
}
.halo-ivory { background: radial-gradient(closest-side, var(--ivory), transparent 72%); }
.halo-green { background: radial-gradient(closest-side, var(--green-soft), transparent 72%); }
.halo-marker { background: radial-gradient(closest-side, #FFF0C9, transparent 72%); }
.phone {
  position: relative; width: min(340px, 76vw);
  border: 11px solid #1A1714; border-radius: 52px;
  overflow: hidden; background: #1A1714; box-shadow: var(--shadow-phone);
}
.hero-visual .phone { transform: rotate(2.5deg); }
.phone-l { transform: rotate(-2deg); }
.phone-r { transform: rotate(2deg); }
.scene .phone { width: min(310px, 70vw); }
.phone img { display: block; width: 100%; }
.chip {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, .88); backdrop-filter: blur(8px);
  border: 1px solid rgba(36, 31, 27, .08); border-radius: 999px;
  padding: 10px 18px; font-weight: 700; font-size: 15px; white-space: nowrap;
  box-shadow: var(--shadow-chip); animation: floaty 6s ease-in-out infinite;
}
.chip i { font-style: normal; font-size: 17px; }
.c1 { top: 8%; left: -72px; }
.c2 { top: 46%; right: -64px; animation-delay: -2s; }
.c3 { bottom: 8%; left: -48px; animation-delay: -4s; }
@keyframes floaty {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -9px; }
}

/* scene pipeline */
.scene {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  padding: 88px 0;
}
.scene + .scene { border-top: 1.5px solid rgba(36, 31, 27, .18); }
.scene-rev .scene-copy { order: 2; }
.scene-rev .scene-visual { order: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 14.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink); margin-bottom: 18px;
}
.eyebrow b {
  display: inline-grid; place-items: center; min-width: 34px; height: 34px; padding: 0 6px;
  background: var(--white); border: 1.5px solid rgba(36, 31, 27, .12); border-radius: 10px;
  font-size: 14px; color: var(--ink); letter-spacing: 0;
}
.scene h2 { font-size: clamp(30px, 3.8vw, 46px); font-weight: 800; line-height: 1.22; }
.scene-desc { margin-top: 18px; font-size: 17.5px; color: var(--ink2); max-width: 46ch; }

/* faq */
.faq { padding-top: 80px; padding-bottom: 64px; max-width: 820px; }
.faq > h2 { font-size: clamp(30px, 3.8vw, 44px); font-weight: 800; text-align: center; margin-bottom: 40px; }
.faq details {
  background: var(--white); border: 1.5px solid var(--line); border-radius: 18px;
  padding: 22px 26px; margin-bottom: 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.faq details[open] { border-color: var(--accent); box-shadow: 0 12px 28px -14px rgba(120, 60, 30, .25); }
.faq summary { font-weight: 700; font-size: 17.5px; cursor: pointer; list-style: none; }
.faq summary::before { content: "＋ "; color: var(--accent); font-weight: 700; }
.faq details[open] summary::before { content: "－ "; }
.faq details p { margin-top: 12px; color: var(--ink2); }

/* CTA panel */
.cta { padding-bottom: 96px; }
.cta-panel {
  background: var(--white);
  border-radius: 36px; padding: 72px 32px 80px; text-align: center; color: var(--ink);
  box-shadow: 0 36px 72px -28px rgba(90, 35, 15, .55);
}
.cta-panel h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 800; }
.cta-sub { margin-top: 14px; font-size: 18px; color: var(--ink2); }
.cta-panel .badges { justify-content: center; margin-top: 32px; }
.badge-light { background: var(--ink); color: var(--white); }
.soon-light { color: var(--muted); }

/* footer */
footer { border-top: 1.5px solid rgba(36, 31, 27, .18); padding-top: 32px; padding-bottom: 44px; text-align: center; color: var(--ink2); }
.langs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 18px; }
.langs a {
  display: inline-block; padding: 6px 12px; background: var(--white);
  border: 1.5px solid rgba(36, 31, 27, .12); border-radius: 999px;
  color: var(--ink2); text-decoration: none; font-size: 14px;
}
.langs a[aria-current="true"] { border-color: var(--ink); font-weight: 700; }
.rights { font-size: 13px; margin-top: 6px; }

/* responsive */
@media (max-width: 1020px) {
  .chip { display: none; }
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 56px; text-align: center; padding-top: 32px; padding-bottom: 64px; }
  .hero-sub, .scene-desc { margin-left: auto; margin-right: auto; }
  .badges { justify-content: center; }
  .scene, .scene-rev { grid-template-columns: 1fr; gap: 44px; text-align: center; padding: 64px 0; }
  .scene-rev .scene-copy { order: 1; }
  .scene-rev .scene-visual { order: 2; }
  .cta-panel { padding: 56px 20px 64px; border-radius: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .badge, .badge:hover { transition: none; transform: none; }
  .chip { animation: none; }
}