/* 앱(오늘 하늘) 실제 팔레트에서 가져온 고정 다크.
   lib/core/theme/app_theme.dart — 배경 #10171F~#2C4A66, warm #C97A21/#D9884A, cool #5C90BE
   앱에 라이트 모드가 없으므로 사이트도 전환을 두지 않는다. */
:root {
  --bg: #0d141c;
  --bg-deep: #090f16;
  --surface: rgba(234, 241, 247, 0.045);
  --line: rgba(234, 241, 247, 0.1);
  --line-soft: rgba(234, 241, 247, 0.06);
  --ink: #eaf1f7;
  --muted: rgba(234, 241, 247, 0.7);
  --faint: rgba(234, 241, 247, 0.45);
  --accent: #e0954b;
  --accent-strong: #c97a21;
  --cool: #6ea3d1;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  --r: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", Pretendard,
    "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-x: hidden;
}

/* 배경 얼룩 — 앱의 WeatherBackdrop 과 같은 발상. 고정, 스크롤과 무관 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(70% 50% at 12% -5%, rgba(44, 74, 102, 0.75) 0%, transparent 60%),
    radial-gradient(55% 45% at 92% 4%, rgba(201, 122, 33, 0.34) 0%, transparent 62%),
    radial-gradient(80% 60% at 50% 108%, rgba(224, 149, 75, 0.16) 0%, transparent 60%);
}

.wrap { width: min(940px, 100% - 44px); margin: 0 auto; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }

/* ── header ─────────────────────────────── */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 28px 0 10px;
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  color: var(--ink); text-decoration: none;
  font-weight: 650; font-size: 16px; letter-spacing: -0.02em;
}
.brand img { width: 30px; height: 30px; border-radius: 8px; display: block; }
.site-header nav { display: flex; gap: 20px; font-size: 14px; }
.site-header nav a { color: var(--faint); text-decoration: none; transition: color .15s; }
.site-header nav a:hover { color: var(--ink); }

/* ── hero ───────────────────────────────── */
.hero {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 60px; align-items: center;
  padding: 64px 0 96px;
}
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding: 34px 0 64px; }
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface);
  font-size: 12.5px; color: var(--muted);
  font-family: var(--mono); letter-spacing: 0;
}
.badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 52px); line-height: 1.18;
  letter-spacing: -0.04em; font-weight: 700;
  margin: 20px 0 16px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent) 10%, #f2c489 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { color: var(--muted); font-size: 17px; margin: 0 0 32px; max-width: 32ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 12px;
  font-size: 14.5px; font-weight: 600; text-decoration: none;
  border: 1px solid var(--line); color: var(--ink); background: var(--surface);
  transition: border-color .15s, background .15s, color .15s;
}
.btn:hover { border-color: rgba(224, 149, 75, .55); color: var(--ink); background: rgba(224,149,75,.08); }
.btn.primary { background: var(--accent); color: #1b1207; border-color: transparent; }
.btn.primary:hover { background: var(--accent-strong); color: #1b1207; }

/* 폰 목업 */
.device {
  justify-self: center;
  width: min(268px, 66vw);
  border-radius: 34px;
  padding: 9px;
  background: linear-gradient(160deg, rgba(234,241,247,.16), rgba(234,241,247,.03));
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.02);
}
.device svg { display: block; width: 100%; height: auto; border-radius: 26px; }

/* ── sections ───────────────────────────── */
section { padding: 60px 0; border-top: 1px solid var(--line-soft); }
.sec-label {
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
  color: var(--faint); text-transform: uppercase; margin: 0 0 10px;
}
h2 { font-size: clamp(21px, 2.6vw, 26px); letter-spacing: -0.03em; margin: 0 0 26px; font-weight: 680; }
h3 { font-size: 16px; margin: 8px 0 6px; letter-spacing: -0.02em; }

.feature-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); }
.feature-card {
  padding: 20px; border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface);
  transition: border-color .18s, transform .18s;
}
.feature-card:hover { border-color: rgba(224,149,75,.35); transform: translateY(-2px); }
.feature-card .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; color: var(--accent); margin: 0; }
.feature-card p:last-child { margin: 0; color: var(--muted); font-size: 14.5px; }

.notes { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.notes li {
  color: var(--muted); font-size: 15.5px;
  padding-left: 20px; position: relative;
}
.notes li::before {
  content: ""; position: absolute; left: 0; top: .68em;
  width: 7px; height: 1px; background: var(--accent);
}
.notes b { color: var(--ink); font-weight: 600; }

.meta-row {
  display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-top: 6px;
}
.meta {
  border: 1px solid var(--line-soft); border-radius: 14px; padding: 15px 16px;
  background: rgba(234,241,247,.02);
}
.meta dt { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; color: var(--faint); margin: 0 0 5px; }
.meta dd { margin: 0; font-size: 15px; color: var(--ink); }

/* ── faq ────────────────────────────────── */
.faq-list details {
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
  padding: 15px 18px; margin-bottom: 10px;
}
.faq-list details[open] { border-color: rgba(224,149,75,.32); }
.faq-list summary { cursor: pointer; font-weight: 600; letter-spacing: -0.02em; }
.faq-list summary::marker { color: var(--accent); }
.faq-list p { color: var(--muted); margin: 11px 0 0; font-size: 15px; }

/* ── form ───────────────────────────────── */
.support-form { display: grid; gap: 15px; max-width: 470px; }
.support-form label { display: grid; gap: 7px; font-size: 13.5px; color: var(--faint); font-family: var(--mono); letter-spacing: .04em; }
.support-form select, .support-form input, .support-form textarea {
  width: 100%; padding: 11px 13px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--bg-deep); color: var(--ink);
  font: inherit; font-size: 15px; letter-spacing: -0.01em;
}
.support-form select:focus, .support-form input:focus, .support-form textarea:focus {
  outline: none; border-color: rgba(224,149,75,.6);
}
.support-form button {
  justify-self: start; padding: 11px 24px; border-radius: 12px; border: 0;
  background: var(--accent); color: #1b1207; font: inherit; font-weight: 650; cursor: pointer;
}
.support-form button:hover { background: var(--accent-strong); }
.support-form button:disabled { opacity: .5; cursor: default; }
.form-note { color: var(--faint); font-size: 13.5px; }
#form-status { min-height: 20px; font-size: 14px; color: var(--cool); margin: 0; }

/* ── policy ─────────────────────────────── */
.policy h1 { font-size: clamp(26px, 4vw, 32px); letter-spacing: -0.035em; margin: 0 0 10px; }
.policy h2 { margin-top: 34px; font-size: 17.5px; letter-spacing: -0.02em; }
.policy p, .policy li { color: var(--muted); font-size: 15.5px; }
.policy b { color: var(--ink); }
.policy table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 12px 0 4px; }
.policy th, .policy td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.policy th { background: var(--surface); color: var(--ink); font-weight: 600; }
.policy td { color: var(--muted); }
.policy .table-scroll { overflow-x: auto; }
.breadcrumb { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--faint); padding-top: 10px; }
.breadcrumb a { color: var(--faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }

footer {
  border-top: 1px solid var(--line-soft); margin-top: 34px; padding: 30px 0 52px;
  color: var(--faint); font-size: 13.5px;
}
footer a { color: var(--faint); text-decoration: none; }
footer a:hover { color: var(--ink); }
footer .links { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 10px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ── 없는 것 ────────────────────────────── */
.plain-line {
  font-size: clamp(22px, 3.4vw, 30px); letter-spacing: -0.035em; line-height: 1.4;
  margin: 0 0 26px; font-weight: 650;
}
.plain-line span { color: var(--faint); font-weight: 400; }
.absent {
  display: flex; flex-wrap: wrap; gap: 9px; margin: 0; padding: 0; list-style: none;
}
.absent li {
  font-family: var(--mono); font-size: 13px; letter-spacing: .01em;
  color: var(--faint); border: 1px solid var(--line-soft); border-radius: 999px;
  padding: 6px 14px 6px 12px; background: rgba(234,241,247,.02);
  display: inline-flex; align-items: center; gap: 7px;
}
.absent li::before {
  content: ""; width: 9px; height: 1px; background: var(--faint); opacity: .8;
}