/* LottaLang website. Tokens mirror the app's design system (app/lib/theme.dart):
   one branded light look, navy on warm paper, jade and terracotta accents. */

@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("/fonts/Inter-Regular.ttf") format("truetype"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("/fonts/Inter-SemiBold.ttf") format("truetype"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("/fonts/Inter-Bold.ttf") format("truetype"); }
@font-face { font-family: "InterDisplay"; font-weight: 700; font-display: swap; src: url("/fonts/InterDisplay-Bold.ttf") format("truetype"); }

:root {
  color-scheme: light;
  --paper: #f8f6f1;
  --surface: #ffffff;
  --tint: #f2f5f7;
  --navy: #17324d;
  --navy-muted: #365472;
  --muted: #5f6874;
  --jade: #5a9c93;
  --jade-soft: #d8ece7;
  --jade-ink: #2e6e66;
  --terracotta: #cc7a5b;
  --terracotta-ink: #a2502f;
  --coral-soft: #f5e3db;
  --mist-soft: #e3e8f5;
  --mist-ink: #4a5a86;
  --line: #e5ddd0;
  --danger: #b3261e;
  --radius-card: 18px;
  --radius-inner: 12px;
  --radius-button: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --display: "InterDisplay", var(--font);
  --hanzi: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font: 400 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--jade-ink); text-underline-offset: 3px; }
a:hover { color: var(--navy); }

:focus-visible { outline: 3px solid var(--jade); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); }
h3 { font-size: 1.2rem; font-family: var(--font); font-weight: 700; letter-spacing: 0; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 32px; } }

.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 16px; }

/* --- Header and footer --------------------------------------------------- */

.site-header { padding: 18px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); text-decoration: none; font: 700 1.3rem var(--display); }
.brand img { width: 40px; height: 40px; border-radius: 11px; }
.site-nav { display: flex; gap: 20px; font-weight: 600; font-size: 0.95rem; }
.site-nav a { color: var(--navy-muted); text-decoration: none; }
.site-nav a:hover { color: var(--navy); }
@media (max-width: 520px) { .site-nav .optional { display: none; } }

.site-footer { margin-top: 72px; padding: 32px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer a { color: var(--navy-muted); }

/* --- Shared pieces --------------------------------------------------------- */

.eyebrow { display: inline-flex; align-items: center; gap: 8px; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 700; color: var(--jade-ink); margin-bottom: 14px; }
.eyebrow::before { content: "✦"; color: var(--jade); }

.tag { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 6px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.02em; background: var(--jade-soft); color: var(--jade-ink); }
.tag.terracotta { background: var(--coral-soft); color: var(--terracotta-ink); }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: var(--radius-button); border: 0; font: 600 1rem var(--font); text-decoration: none; cursor: pointer; background: var(--navy); color: #fff; }
.button:hover { background: #0f2438; color: #fff; }
.button.secondary { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); }
.button.secondary:hover { background: var(--surface); }
.button.danger { background: var(--danger); }
.button.danger:hover { background: #8c1d17; }
.button[disabled] { opacity: 0.55; cursor: progress; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 24px; }

/* --- Landing ------------------------------------------------------------- */

.hero { padding: 32px 0 56px; }
.hero .wrap { display: grid; gap: 40px; align-items: center; }
@media (min-width: 860px) { .hero .wrap { grid-template-columns: 1.15fr 0.85fr; } }
.hero .lead { font-size: 1.2rem; color: var(--navy-muted); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 28px; }
.soon-badge { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 20px; border-radius: var(--radius-button); background: var(--navy); color: #fff; font-weight: 600; }
.soon-badge small { font-weight: 400; opacity: 0.8; }
.hero-art { position: relative; justify-self: center; width: min(100%, 380px); aspect-ratio: 1; border-radius: 40px; background: var(--jade-soft); overflow: hidden; }
.hero-art img { position: absolute; left: 50%; bottom: -2%; width: 86%; transform: translateX(-50%); }
.hero-art .bubble { position: absolute; top: 9%; left: 8%; padding: 8px 14px; border-radius: 14px; background: var(--surface); font: 700 1.6rem var(--hanzi); color: var(--navy); box-shadow: 0 6px 18px rgba(23, 50, 77, 0.08); }
.hero-art .bubble small { display: block; font: 600 0.75rem var(--font); color: var(--muted); letter-spacing: 0.02em; }

.section { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 32px; }
.section-head p { color: var(--navy-muted); }

.features { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .features { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { display: flex; flex-direction: column; gap: 6px; }
.feature p { color: var(--navy-muted); margin: 0; font-size: 0.98rem; }
.tile { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; font: 700 1.7rem/1 var(--hanzi); margin-bottom: 12px; background: var(--jade-soft); color: var(--jade-ink); }
.tile.coral { background: var(--coral-soft); color: var(--terracotta-ink); }
.tile.mist { background: var(--mist-soft); color: var(--mist-ink); }

.steps { display: grid; gap: 16px; counter-reset: step; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; padding-top: 52px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; top: 20px; left: 24px; font: 700 0.95rem var(--font); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; }
.step p { color: var(--navy-muted); margin: 0; }

.soon { display: grid; gap: 16px; }
@media (min-width: 860px) { .soon { grid-template-columns: repeat(3, 1fr); } }
.soon .card { background: transparent; border-style: dashed; }
.soon h3 { margin-top: 10px; }
.soon p { color: var(--navy-muted); margin: 0; }

.band { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.closing { text-align: center; }
.closing img { width: 140px; margin: 0 auto 8px; }
.closing p { color: var(--navy-muted); }

/* --- Text pages (privacy, terms, account) ------------------------------- */

.page { padding: 24px 0 0; }
.prose { max-width: 720px; }
.prose h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose h3 { margin-top: 1.5em; }
.prose .updated { color: var(--muted); font-size: 0.95rem; }
.prose ul { padding-left: 1.2em; }
.prose li { margin: 0.35em 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0 1.5em; font-size: 0.95rem; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { font-weight: 700; background: var(--tint); }
.callout { background: var(--jade-soft); border-radius: var(--radius-inner); padding: 14px 18px; margin: 1.5em 0; }
.placeholder { background: #fff3c4; border-radius: 4px; padding: 0 4px; }

/* --- Forms ----------------------------------------------------------------- */

.form { display: grid; gap: 16px; max-width: 420px; margin-top: 24px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field input { font: 400 1rem var(--font); color: var(--navy); min-height: 48px; padding: 0 14px; border-radius: var(--radius-inner); border: 1.5px solid var(--line); background: var(--surface); }
.field input:focus { outline: none; border-color: var(--jade); box-shadow: 0 0 0 3px var(--jade-soft); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--danger); }
.message { padding: 12px 16px; border-radius: var(--radius-inner); font-size: 0.95rem; }
.message.error { background: #fbe4e2; color: #8c1d17; }
.message.success { background: var(--jade-soft); color: var(--jade-ink); }
[hidden] { display: none !important; }

/* --- 404 ----------------------------------------------------------------- */

.not-found { text-align: center; padding: 48px 0; }
.not-found img { width: 180px; margin: 0 auto 16px; }