@font-face { font-family: Mali; font-weight: 700; font-display: swap; src: url(fonts/mali_v13_latin_vietnamese_700.woff2) format("woff2"), url(fonts/mali_v13_latin_vietnamese_700.ttf) format("truetype"); }
@font-face { font-family: Nunito; font-weight: 400; font-display: swap; src: url(fonts/nunito_v32_latin_vietnamese_regular.woff2) format("woff2"), url(fonts/nunito_v32_latin_vietnamese_regular.ttf) format("truetype"); }
@font-face { font-family: Nunito; font-weight: 700; font-display: swap; src: url(fonts/nunito_v32_latin_vietnamese_700.woff2) format("woff2"), url(fonts/nunito_v32_latin_vietnamese_700.ttf) format("truetype"); }
@font-face { font-family: Nunito; font-weight: 800; font-display: swap; src: url(fonts/nunito_v32_latin_vietnamese_800.woff2) format("woff2"), url(fonts/nunito_v32_latin_vietnamese_800.ttf) format("truetype"); }

/* Palette mirrors lib/ui/theme/tokens.dart ("Xưởng đan ấm"). */
:root {
  --cream: #FFF8EE;
  --linen: #F3E7D6;
  --felt: #F3E6D3;
  --felt-edge: #D9C4A5;
  --seam: #C9A27E;
  --card-top: #FFFAF2;
  --card-bottom: #F6EAD8;
  --primary: #B84A33;
  --primary-edge: #8A3424;
  --primary-text: #9E3F2C;
  --sage: #4F7A4C;
  --sage-text: #3E6B3B; /* darker than the game token so small text passes WCAG AA */
  --mustard: #E8B04B;
  --walnut: #7A4E32;
  --walnut-dark: #5C3A24;
  --oak: #D9A46A;
  --ink: #3A2A22;
  --muted: #6E5D4D; /* darker than the game token: AA even on the woven linen texture */
  --shadow: rgba(58, 42, 34, .18);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 17px/1.6 Nunito, system-ui, sans-serif;
  color: var(--ink);
  background-color: var(--linen);
  background-image:
    repeating-linear-gradient(0deg, rgba(122, 78, 50, .035) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(122, 78, 50, .03) 0 1px, transparent 1px 5px);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-text); }
h1, h2, h3 { font-family: Mali, Nunito, sans-serif; font-weight: 700; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); text-align: center; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(#6E462D, var(--walnut-dark));
  box-shadow: 0 3px 12px var(--shadow);
}
.top .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--cream); text-decoration: none; font: 700 1.2rem Mali, sans-serif; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.top nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.top nav a { color: #F2E4C6; text-decoration: none; font-weight: 700; padding: 6px 10px; border-radius: 10px; }
.top nav a:hover { background: rgba(255, 255, 255, .1); }
@media (max-width: 640px) { .top nav a.opt { display: none; } }
@media (max-width: 374px) { .top nav a.opt-xs { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 800 1.05rem Nunito, sans-serif; text-decoration: none;
  padding: 14px 24px; border-radius: 18px; position: relative;
  color: var(--cream); background: linear-gradient(#C9573E, var(--primary));
  box-shadow: 0 4px 0 var(--primary-edge), 0 8px 18px var(--shadow);
  transition: transform .12s, box-shadow .12s;
}
.btn::after { content: ""; position: absolute; inset: 5px; border: 1.5px dashed rgba(255, 248, 238, .55); border-radius: 13px; pointer-events: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--primary-edge), 0 4px 10px var(--shadow); }
.btn.light { color: var(--ink); background: linear-gradient(var(--card-top), var(--card-bottom)); box-shadow: 0 4px 0 var(--felt-edge), 0 8px 18px var(--shadow); }
.btn.light::after { border-color: var(--seam); }
.btn small { display: block; font-weight: 700; font-size: .72rem; opacity: .85; line-height: 1.1; }
.btn .two { line-height: 1.15; text-align: left; }
.btn svg { flex: none; }
.btn[aria-disabled="true"] { cursor: default; color: var(--primary-text); background: var(--cream); box-shadow: inset 0 0 0 1.5px var(--felt-edge); }
.btn[aria-disabled="true"]::after { border-color: rgba(158, 63, 44, .45); }
.btn[aria-disabled="true"] small { opacity: 1; }
.btn[aria-disabled="true"]:hover, .btn[aria-disabled="true"]:active { transform: none; box-shadow: inset 0 0 0 1.5px var(--felt-edge); }

/* Hero */
.hero { padding: 56px 0 40px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero .eyebrow {
  display: inline-block; font-weight: 800; font-size: .85rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--sage-text); background: #E3EBDA; border: 1.5px dashed #9DB894; border-radius: 99px; padding: 4px 14px; margin-bottom: 18px;
}
.hero h1 span.accent { color: var(--primary); }
.hero p.lead { font-size: 1.18rem; color: var(--muted); max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 14px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 0; list-style: none; color: var(--muted); font-weight: 700; font-size: .95rem; }
.facts li::before { content: "✓ "; color: var(--sage); font-weight: 800; }
.phones { position: relative; height: 560px; }
.phone {
  position: absolute; width: 250px; border-radius: 38px; padding: 9px;
  background: linear-gradient(145deg, #8A5A3B, var(--walnut-dark));
  box-shadow: 0 24px 50px rgba(58, 42, 34, .35), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.phone img { border-radius: 30px; aspect-ratio: 585 / 1266; object-fit: cover; }
.phone.back { left: 2%; top: 46px; transform: rotate(-8deg); width: 220px; opacity: .97; }
.phone.front { right: 4%; top: 0; transform: rotate(4deg); }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-inline: auto; }
  .cta, .facts { justify-content: center; }
  .phones { height: 470px; max-width: 400px; margin: 0 auto; width: 100%; }
  .phone { width: 210px; }
  .phone.back { width: 185px; }
}

/* Sections */
section { padding: 56px 0; }
.sub { text-align: center; color: var(--muted); max-width: 36em; margin: 0 auto 32px; }
.card {
  position: relative; background: linear-gradient(var(--card-top), var(--card-bottom));
  border-radius: var(--radius); padding: 26px 24px 22px;
  box-shadow: 0 2px 0 var(--felt-edge), 0 10px 24px var(--shadow);
}
.card::before { content: ""; position: absolute; inset: 7px; border: 1.5px dashed var(--seam); border-radius: 16px; pointer-events: none; opacity: .8; }
.card p { color: var(--muted); margin: 0; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.steps .card { padding-top: 50px; }
.steps .card::after {
  counter-increment: step; content: counter(step);
  position: absolute; top: -20px; left: 24px; width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center; font: 700 1.5rem Mali, sans-serif; color: var(--cream);
  background: radial-gradient(circle at 35% 30%, #D9654A, var(--primary));
  box-shadow: 0 3px 0 var(--primary-edge), 0 6px 12px var(--shadow);
  outline: 2px dashed rgba(255, 248, 238, .6); outline-offset: -8px;
}
.steps .card:nth-child(2)::after { background: radial-gradient(circle at 35% 30%, #6F9A6B, var(--sage)); box-shadow: 0 3px 0 #3A5C38, 0 6px 12px var(--shadow); }
.steps .card:nth-child(3)::after { background: radial-gradient(circle at 35% 30%, #F0C46E, #C98F2A); box-shadow: 0 3px 0 #9C6E1E, 0 6px 12px var(--shadow); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature .ico { font-size: 1.9rem; line-height: 1; margin-bottom: 12px; }
@media (max-width: 860px) { .steps, .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps, .features { grid-template-columns: 1fr; } .steps { gap: 34px; } }

/* Wooden band */
.band {
  background:
    repeating-linear-gradient(92deg, rgba(62, 38, 22, .16) 0 2px, transparent 2px 23px),
    linear-gradient(#8A5A3B, var(--walnut));
  color: var(--cream);
  box-shadow: inset 0 6px 14px rgba(0, 0, 0, .2), inset 0 -6px 14px rgba(0, 0, 0, .2);
}
.band h2 { color: var(--cream); }
.band .sub { color: #F2E4C6; }
.shots {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 10px 16px 24px; margin: 0 -16px; scrollbar-width: thin;
}
.shots figure { margin: 0; flex: 0 0 196px; scroll-snap-align: center; text-align: center; }
.shots img {
  border-radius: 26px; border: 7px solid var(--walnut-dark);
  box-shadow: 0 14px 28px rgba(0, 0, 0, .35); aspect-ratio: 585 / 1266; object-fit: cover; background: var(--linen);
}
.shots figcaption { margin-top: 12px; font-weight: 800; color: #F2E4C6; }
@media (min-width: 1100px) { .shots { justify-content: center; } }

/* Fair play */
.fair { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.fair ul { margin: 10px 0 0; padding-left: 1.2em; color: var(--muted); }
.fair li { margin-bottom: 6px; }
.packs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.pack { background: var(--cream); border: 1.5px solid var(--felt-edge); border-radius: 16px; padding: 12px 14px; }
.pack b { display: block; font: 700 1.25rem Mali, sans-serif; }
.pack span { font-size: .85rem; color: var(--muted); font-weight: 700; }
.pack .tag { color: var(--sage); }
@media (max-width: 760px) { .fair { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 14px; }
.faq details { background: linear-gradient(var(--card-top), var(--card-bottom)); border-radius: 18px; box-shadow: 0 2px 0 var(--felt-edge), 0 6px 14px var(--shadow); padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 800; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 700 1.4rem/1 Mali, sans-serif; color: var(--primary); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 8px; }

/* Final CTA + footer */
.final { text-align: center; }
.final .cta { justify-content: center; }
.final img { width: 112px; height: 112px; border-radius: 26px; margin: 0 auto 18px; box-shadow: 0 12px 26px var(--shadow); }
footer { background: var(--walnut-dark); color: #E3CFA8; padding: 30px 0; font-size: .95rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
footer a { color: var(--cream); font-weight: 700; text-decoration: none; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer nav a { display: inline-block; padding: 10px 2px; }

/* Text pages (privacy, support) */
.doc { padding: 44px 0 64px; }
.doc .card { max-width: 780px; margin: 0 auto; padding: 36px 34px; }
.doc h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); }
.doc h2 { text-align: left; font-size: 1.35rem; margin-top: 1.4em; }
.doc p, .doc li { color: var(--ink); }
.doc .meta { color: var(--muted); font-weight: 700; }
.doc ul { padding-left: 1.2em; }
.doc li { margin-bottom: 8px; }
@media (max-width: 560px) { .doc .card { padding: 30px 20px; } }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}