@font-face { font-family: "Mali"; font-weight: 400; font-display: swap; src: url("/fonts/mali-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Mali"; font-weight: 600; font-display: swap; src: url("/fonts/mali-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Kanit"; font-weight: 400; font-display: swap; src: url("/fonts/kanit-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Kanit"; font-weight: 500; font-display: swap; src: url("/fonts/kanit-latin-500-normal.woff2") format("woff2"); }

:root {
  --ink: #16171a; --paper: #f4f1ea; --surface: #fffdf8; --line: #ddd7cb; --muted: #5e5a52;
  --accent: #e8622c; --accent-ink: #16171a; --cap: #ffffff; --cap-edge: #c9c2b4; --cap-down: #f6d9cb;
  --r: 12px; --max: 1080px;
  --font-ui: "Mali", ui-rounded, system-ui, sans-serif; --font-key: "Kanit", system-ui, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #f4f1ea; --paper: #1a1b1f; --surface: #232429; --line: #36373d; --muted: #b5b0a5;
          --cap: #2e2f35; --cap-edge: #121316; --cap-down: #5a3424; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--font-ui); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.01em; font-weight: 600; }
h2 { font-size: clamp(30px, 4.5vw, 44px); margin: 0 0 16px; }
h3 { font-size: 22px; margin: 0 0 8px; }
p { margin: 0 0 12px; }
.fine { color: var(--muted); font-size: 14px; }
.center { text-align: center; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 16px; }
section { padding: 72px 16px; max-width: var(--max); margin: 0 auto; }

.btn {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  min-height: 48px; padding: 10px 22px; border-radius: 999px; border: 2px solid var(--accent);
  background: var(--accent); color: var(--accent-ink); font: 600 17px/1.2 var(--font-ui); text-decoration: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px -8px rgb(232 98 44 / .7); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); box-shadow: none; }
.btn.small { min-height: 38px; padding: 6px 16px; font-size: 15px; }
.btn small { font-size: 12px; font-weight: 400; opacity: .8; }

/* nav */
.nav { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px max(16px, calc((100vw - var(--max)) / 2)); background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 21px; text-decoration: none; }
.brand img { border-radius: 8px; }
.nav nav { display: flex; align-items: center; gap: 20px; }
.nav nav a:not(.btn) { text-decoration: none; color: var(--muted); }
.nav nav a:not(.btn):hover { color: var(--ink); }

/* hero */
.hero { text-align: center; padding-top: 88px; padding-bottom: 32px; }
.hero h1 { font-size: clamp(48px, 9vw, 96px); margin: 0 0 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }

/* demo */
.demo { padding-top: 32px; }
.demo-head { text-align: center; margin-bottom: 20px; }
.demo-head p { color: var(--muted); }
.switches { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 20px; }
.sw {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 6px 14px 6px 8px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: 400 15px var(--font-ui); cursor: pointer;
}
.sw .dot { width: 22px; height: 22px; border-radius: 50%; border: 1px solid rgb(0 0 0 / .2); background: var(--stem); }
.sw[aria-checked="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); font-weight: 600; }
.board-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: clamp(12px, 2.5vw, 28px);
  box-shadow: 0 30px 60px -40px rgb(0 0 0 / .45); }
.board { --u: clamp(16px, calc((min(100vw, var(--max)) - 96px) / 16.6), 56px); display: flex; flex-direction: column; gap: calc(var(--u) * .12); align-items: center; }
.row { display: flex; gap: calc(var(--u) * .12); }
.k {
  width: calc(var(--u) * var(--w, 1) + var(--u) * .12 * (var(--w, 1) - 1)); height: var(--u); border-radius: calc(var(--u) * .16);
  background: var(--cap); border: 1px solid var(--cap-edge); border-bottom-width: calc(var(--u) * .1);
  font: 400 calc(var(--u) * .34)/1 var(--font-key); color: var(--ink); cursor: pointer; padding: 0;
  transition: transform .06s ease-out, background .1s;
}
.k.down { background: var(--cap-down); transform: translateY(calc(var(--u) * .05)); border-bottom-width: calc(var(--u) * .05); }
.demo + .fine, .demo > .fine { margin-top: 16px; }
.demo-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.vol { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 15px; }
.vol input { accent-color: var(--accent); width: 140px; }
.now { margin: 0; font-weight: 600; }

/* features */
.feature { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; margin: 32px 0 72px; }
.feature.flip > div { order: 2; }
.feature p { color: var(--muted); }
.feature img { border-radius: var(--r); border: 1px solid var(--line); box-shadow: 0 24px 48px -32px rgb(0 0 0 / .5); }
.facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; border-top: 1px solid var(--line); padding-top: 32px; }
.facts li { color: var(--muted); font-size: 15px; }
.facts strong { display: block; color: var(--ink); font: 500 34px/1.1 var(--font-key); margin-bottom: 4px; }

/* pricing */
.pricing { text-align: center; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; text-align: left; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; display: flex; flex-direction: column; }
.plan.pro { border: 2px solid var(--accent); }
.plan ul { padding-left: 20px; color: var(--muted); flex: 1; }
.plan li { margin-bottom: 6px; }
.price { font: 500 44px/1 var(--font-key); margin: 4px 0 12px; }
.price span { font: 400 15px var(--font-ui); color: var(--muted); }
.plan .btn { align-self: flex-start; margin-top: 8px; }
.plan .fine { margin-top: 12px; }

.privacy { max-width: 720px; text-align: center; }
.privacy p { color: var(--muted); font-size: 18px; }

.download { text-align: center; }
.dl { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 20px 0; }
.dl .btn { min-width: 180px; }
.help { max-width: 640px; margin: 8px auto 0; text-align: left; color: var(--muted); }
.help summary { cursor: pointer; color: var(--ink); font-weight: 600; text-align: center; }
code { font: 14px ui-monospace, monospace; background: color-mix(in srgb, var(--ink) 8%, transparent); padding: 1px 6px; border-radius: 4px; }

footer { border-top: 1px solid var(--line); padding: 28px 16px 48px; text-align: center; color: var(--muted); font-size: 14px; }

@media (max-width: 760px) {
  .nav nav a:not(.btn) { display: none; }
  .feature, .plans { grid-template-columns: 1fr; gap: 20px; }
  .feature.flip > div { order: 0; }
  .facts { grid-template-columns: 1fr 1fr; }
  section { padding: 48px 16px; }
  .demo-bar { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .k.down { transform: none; }
}