/* The Seed public site. Bronze for what players chase, verdigris for what the platform does.
   Self-contained (no web fonts or third-party requests) so it runs under seedd's strict CSP. */
:root {
  --bg: #EDF0EF;
  --panel: #F8FAF9;
  --ink: #142027;
  --soft: #4A5A61;
  --line: #CBD5D3;
  --bronze: #A85B18;
  --bronze-hi: #C9772E;
  --verdigris: #2B746B;
  --night: #0B1215;
  --night-2: #132026;
  --night-ink: #E6EEED;
  --night-soft: #9DB0B2;
  --display: 'Noto Serif TC', 'Songti TC', 'PMingLiU', 'MingLiU', Georgia, serif;
  --body: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', system-ui, sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1518; --panel: #152024; --ink: #E3EBEA; --soft: #9DB0B2; --line: #2A3A3F;
    --bronze: #E39A55; --bronze-hi: #F0B070; --verdigris: #63B5A9; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0E1518; --panel: #152024; --ink: #E3EBEA; --soft: #9DB0B2; --line: #2A3A3F;
  --bronze: #E39A55; --bronze-hi: #F0B070; --verdigris: #63B5A9; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
a { color: var(--verdigris); }
img { max-width: 100%; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; line-height: 1.2; margin: 0; letter-spacing: 0.01em; }
h2 { font-size: clamp(28px, 3.8vw, 44px); font-weight: 900; }
h3 { font-size: clamp(22px, 2.4vw, 28px); font-weight: 700; }
p { margin: 0; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--verdigris); margin-bottom: 12px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.sub { color: var(--soft); max-width: 40em; margin-top: 14px; font-size: 17px; }
button, input { font: inherit; }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--ink); background: var(--ink); color: var(--bg); padding: 12px 22px; border-radius: 999px; cursor: pointer; text-decoration: none; font-weight: 700; transition: transform .15s ease, background .15s ease, box-shadow .15s ease; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn.sm { padding: 8px 16px; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); }
.btn.bronze { background: var(--bronze); border-color: var(--bronze); color: #fff; box-shadow: 0 8px 24px -8px color-mix(in srgb, var(--bronze) 70%, transparent); }
.btn.bronze:hover { background: var(--bronze-hi); border-color: var(--bronze-hi); }
.btn.ghost-light { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.35); backdrop-filter: blur(6px); }
.btn.ghost-light:hover { border-color: #fff; }

/* header */
header.top { position: fixed; inset: 0 0 auto; z-index: 20; padding-top: env(safe-area-inset-top); transition: background .25s ease, border-color .25s ease; border-bottom: 1px solid transparent; color: #fff; }
header.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
header.top.solid { background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); border-color: var(--line); color: var(--ink); }
.brand { font-family: var(--display); font-weight: 900; font-size: 21px; letter-spacing: 0.02em; color: inherit; text-decoration: none; }
.brand span { color: var(--bronze-hi); }
header.top.solid .brand span { color: var(--bronze); }
nav { display: flex; gap: 22px; font-size: 14px; }
nav a, .link { color: inherit; opacity: .8; text-decoration: none; font-size: 14px; }
nav a:hover, .link:hover { opacity: 1; }
.acts { margin-left: auto; display: flex; align-items: center; gap: 16px; }
header.top:not(.solid) .btn.sm { background: #fff; color: var(--night); border-color: #fff; }

/* hero */
.hero { position: relative; min-height: min(100svh, 920px); display: flex; align-items: flex-end; color: #fff; background: var(--night); isolation: isolate; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 40%; z-index: -2; animation: drift 24s ease-in-out infinite alternate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(90deg, rgba(8,13,16,.92) 0%, rgba(8,13,16,.7) 38%, rgba(8,13,16,.12) 75%),
  linear-gradient(0deg, rgba(8,13,16,.95) 0%, rgba(8,13,16,0) 45%); }
.hero .wrap { width: 100%; padding-top: 140px; padding-bottom: 56px; }
.hero .eyebrow { color: #8FD3C8; }
.hero h1 { font-size: clamp(40px, 7vw, 84px); font-weight: 900; max-width: 11em; text-shadow: 0 2px 30px rgba(0,0,0,.4); }
.hero h1 em { font-style: normal; background: linear-gradient(100deg, #F3C185, #D98A3F); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { font-size: clamp(16px, 1.6vw, 19px); color: rgba(255,255,255,.82); max-width: 32em; margin-top: 22px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 56px 0 0; max-width: 720px; border-top: 1px solid rgba(255,255,255,.18); }
.stats div { padding: 16px 16px 0 0; }
.stats dt { font-size: 12px; color: rgba(255,255,255,.6); letter-spacing: .08em; }
.stats dd { margin: 2px 0 0; font-family: var(--display); font-weight: 900; font-size: clamp(18px, 2.2vw, 26px); }
@keyframes drift { from { transform: scale(1.04); } to { transform: scale(1.1) translate(-1%, -1%); } }

/* seed lab */
.lab { background: var(--panel); border-bottom: 1px solid var(--line); }
.lab .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; padding-block: 88px; align-items: center; }
.lab .copy { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.lab .copy > p { color: var(--soft); }
.lab label { font-size: 14px; color: var(--soft); margin-top: 8px; }
.seedrow { display: flex; gap: 10px; flex-wrap: wrap; }
.seedrow input { font-family: var(--mono); font-size: 18px; padding: 10px 16px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 12px; width: 16ch; max-width: 100%; }
.seedrow input:focus { border-color: var(--verdigris); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--verdigris) 25%, transparent); }
.err { font-size: 13px; color: var(--bronze); min-height: 1em; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; font-size: 14px; margin: 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.kv dt { color: var(--soft); }
.kv dd { margin: 0; font-family: var(--mono); overflow-wrap: anywhere; }
.tower { display: flex; flex-direction: column-reverse; gap: 7px; min-width: 0; padding: 24px; border-radius: var(--radius); background: linear-gradient(180deg, var(--night-2), var(--night)); box-shadow: 0 30px 60px -30px rgba(0,0,0,.5); color: var(--night-ink); }
.floor { display: grid; grid-template-columns: 40px 1fr 86px; align-items: center; gap: 12px; font-size: 13px; }
.floor .n { font-family: var(--mono); color: var(--night-soft); }
.floor .bar { height: 28px; border-radius: 5px; background: linear-gradient(90deg, #2B746B, #63B5A9); transition: width .6s cubic-bezier(.2,.8,.2,1), opacity .6s ease; justify-self: center; }
.floor.lair .bar { background: linear-gradient(90deg, #A85B18, #F0B070); box-shadow: 0 0 24px -4px #E39A55; }
.floor .h { font-family: var(--mono); color: var(--night-soft); text-align: right; }

/* how */
.how { padding-block: 96px; }
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 18px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; gap: 4px; transition: border-color .3s ease, background .3s ease, transform .3s ease; }
.steps li::before { content: counter(s, decimal-leading-zero); font-family: var(--mono); font-size: 11px; color: var(--soft); }
.steps b { font-family: var(--display); font-size: 17px; }
.steps span { font-size: 13px; color: var(--soft); }
.steps li.on { border-color: var(--verdigris); background: color-mix(in srgb, var(--verdigris) 12%, var(--panel)); transform: translateY(-3px); }
.steps li.done b { color: var(--verdigris); }
.toast { margin-top: 18px; font-size: 13px; color: var(--soft); min-height: 1.5em; }

/* modes */
.modes { padding-block: 96px; }
.modes .intro { margin-bottom: 48px; }
.mode { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; padding-block: 36px; }
.mode.flip .art { order: 2; }
.art { margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: var(--panel); box-shadow: 0 30px 70px -35px rgba(0,0,0,.55); }
.art img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(.2,.8,.2,1); }
.mode:hover .art img { transform: scale(1.04); }
.mode .text { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.mode .text > p:not(.eyebrow) { color: var(--soft); }
.feed { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.feed li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.feed time { font-family: var(--mono); font-size: 12px; color: var(--soft); min-width: 5.5em; }
.feed .mono { color: var(--verdigris); }
.tag { font-size: 11px; padding: 1px 8px; border-radius: 999px; font-weight: 700; }
.tag.b { background: color-mix(in srgb, var(--bronze) 18%, transparent); color: var(--bronze); }
.tag.v { background: color-mix(in srgb, var(--verdigris) 18%, transparent); color: var(--verdigris); }
.codebox { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.codebox code { font-family: var(--mono); font-size: 24px; letter-spacing: .08em; padding: 10px 18px; border: 1px dashed var(--bronze); border-radius: 12px; color: var(--bronze); }
.chips { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 13px; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--soft); }
.chips li.on { border-color: var(--bronze); color: var(--bronze); }

.modes.dark { background: var(--night); color: var(--night-ink); --line: #24343A; --soft: var(--night-soft); --panel: var(--night-2); }
.modes.dark .eyebrow { color: #8FD3C8; }
.modes.dark .feed .mono { color: #8FD3C8; }
.modes.dark .chips li.on { border-color: #E39A55; color: #E39A55; }

/* pricing */
.pricing { padding-block: 96px; background: var(--panel); border-bottom: 1px solid var(--line); }
.pill { display: inline-block; margin-left: 8px; font-size: 12px; padding: 2px 10px; border-radius: 999px; background: var(--bronze); color: #fff; vertical-align: 2px; }
.pill[hidden] { display: none; }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.plan { display: flex; flex-direction: column; gap: 14px; padding: 26px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); min-width: 0; }
.plan.hot { border-color: var(--bronze); box-shadow: 0 24px 50px -30px color-mix(in srgb, var(--bronze) 80%, transparent); position: relative; }
.plan.hot::before { content: "最多人揀"; position: absolute; top: -11px; left: 22px; font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--bronze); color: #fff; }
.plan h3 { font-size: 20px; }
.price { color: var(--soft); font-size: 14px; }
.price b { font-family: var(--display); font-size: 34px; color: var(--ink); margin-right: 2px; }
.price s { margin-left: 6px; }
.price .half { display: block; font-size: 12px; color: var(--bronze); font-weight: 700; }
.plan ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--soft); flex: 1; }
.plan li::before { content: "✓"; color: var(--verdigris); margin-right: 8px; font-weight: 700; }
.fine { margin-top: 20px; font-size: 13px; color: var(--soft); }

/* final */
.final { position: relative; color: #fff; text-align: center; padding-block: 140px; overflow: hidden; isolation: isolate; background: var(--night); }
.final-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.final::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at center, rgba(8,13,16,.55), rgba(8,13,16,.9)); }
.final h2 { font-size: clamp(32px, 5vw, 56px); }
.final p { color: rgba(255,255,255,.8); margin-top: 12px; }
.final .cta { justify-content: center; }

footer { background: var(--night); color: var(--night-soft); font-size: 13px; border-top: 1px solid #1E2C31; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; padding-block: 28px calc(28px + env(safe-area-inset-bottom)); }
footer .brand { color: var(--night-ink); font-size: 17px; }
footer a { color: var(--night-soft); margin-left: auto; }

/* reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 960px) {
  nav { display: none; }
  .lab .wrap, .mode { grid-template-columns: 1fr; gap: 28px; }
  .mode.flip .art { order: 0; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .acts .link { display: none; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans { grid-template-columns: 1fr; }
  .floor { grid-template-columns: 34px 1fr 70px; }
  .tower { padding: 16px; }
  .lab .wrap, .how, .modes, .pricing { padding-block: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0s !important; }
}

/* world sites (<subdomain>.<site domain>) */
.world-hero { min-height: min(72svh, 680px); }
.servers { padding-block: 88px; }
.srv-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 16px; margin-top: 36px; }
.srv { display: flex; flex-direction: column; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); min-width: 0; }
.srv-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.srv-head h3 { font-size: 22px; overflow-wrap: anywhere; }
.seasons { display: flex; gap: 4px; flex-wrap: wrap; }
.seg { display: inline-block; height: 14px; min-width: 22px; flex: 1 0 22px; max-width: 48px; border-radius: 4px; background: var(--line); }
.seg.cleared { background: linear-gradient(90deg, #A85B18, #F0B070); }
.seg.open { background: linear-gradient(90deg, #2B746B, #63B5A9); animation: pulse 2.4s ease-in-out infinite; }
.seg.growing { background: repeating-linear-gradient(135deg, var(--line) 0 4px, transparent 4px 8px); border: 1px dashed var(--soft); }
.seg.memorial { background: #6B7779; }
.tag.m { background: color-mix(in srgb, #6B7779 25%, transparent); color: var(--soft); }
.legend { list-style: none; padding: 0; margin: 24px 0 0; display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--soft); }
.legend li { display: flex; align-items: center; gap: 8px; }
.legend .seg { flex: none; width: 22px; animation: none; }
.muted { color: var(--soft); }
.steps-static { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.world-page .how { border-top: 1px solid var(--line); }
@keyframes pulse { 50% { opacity: .55; } }
@media (max-width: 960px) { .steps-static { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { .seg.open { animation: none; } }