/* Landing page — same "Paper" tokens as public/css/app.css. */
:root {
  color-scheme: light;
  --bg: #f7f7f5;
  --side: #efefeb;
  --card: #ffffff;
  --line: #e4e4df;
  --text: #1c1c1a;
  --muted: #7a7a72;
  --accent: #c2410c;
  --accent-bg: #fff7ed;
  --inv: #1c1c1a;
  --inv-t: #ffffff;
  --code-bg: #efefeb;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  --pop: 0 24px 60px -24px rgba(0, 0, 0, 0.3);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #161614;
    --side: #1c1c1a;
    --card: #1f1f1c;
    --line: #2e2e2a;
    --text: #ecece6;
    --muted: #9a9a90;
    --accent: #fb923c;
    --accent-bg: #2a1f15;
    --inv: #ecece6;
    --inv-t: #161614;
    --code-bg: #2a2a26;
    --shadow: 0 0 0 transparent;
    --pop: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

code {
  font: 0.88em var(--mono);
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  overflow-wrap: anywhere;
}

pre {
  margin: 0.75rem 0;
  padding: 0.9rem 1rem;
  background: var(--code-bg);
  border-radius: 8px;
  overflow-x: auto;
}
pre code { background: none; padding: 0; overflow-wrap: normal; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h2 { font-size: 1.6rem; margin: 0 0 1.25rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.4rem; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }

section { padding: 4rem 0; border-top: 1px solid var(--line); }
section.hero { border-top: 0; padding-top: 3.5rem; }

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.top-nav { display: flex; gap: 1.25rem; }
.top-nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.top-nav a:hover { color: var(--text); }
.top-nav { margin-left: auto; }
.lang-switch { display: flex; padding: 2px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); }
.lang-switch a { padding: 0.15rem 0.55rem; border-radius: 999px; color: var(--muted); font-size: 0.8rem; font-weight: 700; text-decoration: none; }
.lang-switch a:hover { color: var(--text); }
.lang-switch a[aria-current="page"] { background: var(--inv); color: var(--inv-t); }

/* Hero */
.hero { text-align: center; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 0.75rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 0 1rem; }
.lead { max-width: 680px; margin: 0 auto 1.75rem; color: var(--muted); font-size: 1.1rem; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--inv); color: var(--inv-t); border-color: var(--inv); }
.btn-primary:hover { border-color: var(--inv); opacity: 0.9; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 0.9rem 0 0; }
.shot { margin: 3rem 0 0; }
.shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--pop);
}

/* Features */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.card p { margin: 0; color: var(--muted); }
.also { color: var(--muted); margin: 1.5rem 0 0; }

/* Download */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; }
.steps > li { counter-increment: step; position: relative; padding-left: 2.75rem; margin-bottom: 2rem; }
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -0.1rem;
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 700;
}
.steps p { margin: 0.4rem 0; }
.files { width: 100%; border-collapse: collapse; margin: 0.75rem 0; }
.files th, .files td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); }
.files th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.files a { text-decoration: none; }
.files a:hover code { outline: 1px solid var(--accent); }
.small { color: var(--muted); font-size: 0.9rem; }
.files tr.mine td { background: var(--accent-bg); }
.files tr.mine td:first-child { font-weight: 600; }
.mine-badge { display: inline-block; margin-left: 0.5rem; padding: 0.05rem 0.45rem; border-radius: 999px; background: var(--accent); color: var(--card); font-size: 0.72rem; font-weight: 700; vertical-align: middle; }

/* Notes */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.notes h2 { font-size: 1.25rem; }
.notes ul { margin: 0; padding-left: 1.2rem; color: var(--muted); }
.notes li { margin-bottom: 0.4rem; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; color: var(--muted); font-size: 0.9rem; }
.foot p { margin: 0.3rem 0; }
.social { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-bottom: 1rem; }
.social a { color: var(--text); text-decoration: none; font-weight: 600; }
.social a:hover { color: var(--accent); }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .two { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 560px) {
  section { padding: 3rem 0; }
  .grid { grid-template-columns: 1fr; }
  .top-nav { gap: 0.9rem; }
  .top-nav a:not(:last-child) { display: none; }
  .steps > li { padding-left: 2.4rem; }
  .files thead { display: none; }
  .files tr { display: block; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
  .files td { display: block; padding: 0; border: 0; }
  .files td:first-child { font-weight: 600; font-size: 0.9rem; }
  .files code { font-size: 0.8em; }
  pre { font-size: 0.85rem; }
}

/* ── Mascot: Inari Bash, always in the bottom-right corner */
.mascot {
  position: fixed;
  right: 12px;
  bottom: 8px;
  z-index: 5;
  width: 120px;
  pointer-events: none;
  animation: peek 0.7s cubic-bezier(0.3, 1.4, 0.6, 1) 0.6s both;
}
@keyframes peek { from { transform: translateY(110%); } }
.mascot-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}
.mascot-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 12px; }
.volpina {
  display: block;
  width: 100%;
  height: auto;
  transform-origin: 50% 95%;
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.18));
  animation: sway 4s ease-in-out infinite;
}
.mascot-btn:hover .volpina, .mascot.hop .volpina { animation: hop 0.6s ease; }
@keyframes sway { 0%, 100% { transform: rotate(-2deg); } 50% { transform: rotate(2deg) translateY(-3px); } }
@keyframes hop { 30% { transform: translateY(-10px) rotate(-4deg); } 60% { transform: translateY(0) rotate(3deg); } }
.bubble {
  position: absolute;
  right: 92px;
  bottom: 88px;
  width: max-content;
  max-width: 14rem;
  margin: 0;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px 12px 2px 12px;
  background: var(--card);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  box-shadow: var(--pop);
  opacity: 0;
  transform: scale(0.8) translateY(6px);
  transform-origin: 100% 100%;
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.3, 1.6, 0.6, 1);
}
.bubble.show { opacity: 1; transform: none; }
/* Keep the footer text clear of the mascot and her goodbye bubble. */
.foot { padding-bottom: 7rem; }
.foot p { max-width: 38rem; }

@media (max-width: 560px) {
  .mascot { width: 76px; right: 6px; bottom: 4px; }
  .bubble { right: 56px; bottom: 56px; max-width: 11rem; padding: 0.45rem 0.7rem; font-size: 0.8rem; }
  .foot { padding-bottom: 6rem; }
}

/* ── Icons ───────────────────────────────────────────── */
.ico {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 0.8rem;
  border-radius: 10px;
  background: var(--accent-bg);
  color: var(--accent);
}
.ico svg, .btn-ico, .social svg {
  width: 1.3rem;
  height: 1.3rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.btn { display: inline-flex; align-items: center; gap: 0.5rem; }
.btn-ico { width: 1.1rem; height: 1.1rem; }
.social a { display: inline-flex; align-items: center; gap: 0.4rem; }
.social svg { width: 1.05rem; height: 1.05rem; }
.card { transition: transform 0.2s ease, border-color 0.2s ease; }
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card:hover .ico svg { animation: wiggle 0.5s ease; }
@keyframes wiggle { 30% { transform: rotate(-8deg) scale(1.1); } 60% { transform: rotate(6deg) scale(1.1); } }

.eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; }
.pulse { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 0.5rem rgba(22, 163, 74, 0); } 100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); } }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Reveal on scroll (only when JS runs; see site.js) */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
.grid .reveal:nth-child(3n + 2) { transition-delay: 0.08s; }
.grid .reveal:nth-child(3n) { transition-delay: 0.16s; }
.features .shot { margin: 2.5rem 0 0; }

/* ── Animated demo ───────────────────────────────────── */
.demo-wrap { margin: 3rem 0 0; container-type: inline-size; }
.demo {
  --d-ok: #16a34a;
  --d-wait: #ca8a04;
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  font-size: min(1.6cqw, 15.4px);
  aspect-ratio: 2 / 1;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--pop);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
}
.d-chrome { display: flex; align-items: center; gap: 1em; padding: 0.7em 1em; border-bottom: 1px solid var(--line); background: var(--side); }
.d-dots { display: flex; gap: 0.45em; }
.d-dots i { width: 0.8em; height: 0.8em; border-radius: 50%; background: var(--line); }
.d-addr { flex: 1; max-width: 22em; margin: 0 auto; padding: 0.25em 0.8em; border-radius: 6px; background: var(--bg); color: var(--muted); font: 0.85em var(--mono); text-align: center; }
.d-body { flex: 1; display: flex; min-height: 0; }
.d-side { width: 26%; padding: 1em; background: var(--side); border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 1em; }
.d-brand { display: flex; align-items: center; gap: 0.5em; font-weight: 700; }
.d-brand img { width: 1.2em; height: 1.2em; }
.d-form { display: flex; flex-direction: column; gap: 0.5em; }
.d-input { position: relative; display: flex; align-items: center; height: 2.2em; padding: 0 0.6em; border: 1px solid var(--line); border-radius: 6px; background: var(--card); font-family: var(--mono); }
.d-input.focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-bg); }
.d-ph { position: absolute; left: 0.7em; color: var(--muted); font-family: var(--sans); }
.d-typed:not(:empty) ~ .d-ph { display: none; }
.d-caret { display: none; width: 1px; height: 1.1em; background: var(--text); animation: blink 1s steps(1) infinite; }
.d-input.focus .d-caret { display: inline-block; }
.d-caret.light { display: inline-block; background: #ecece6; margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }
.d-create { height: 2.2em; display: grid; place-items: center; border-radius: 6px; background: var(--inv); color: var(--inv-t); font-weight: 600; transition: transform 0.1s; }
.d-create.press, .d-copy.press { transform: scale(0.94); }
.d-session { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.2em 0.5em; padding: 0.6em; border-radius: 8px; background: var(--card); border: 1px solid var(--line); font-size: 0.95em; opacity: 0; transform: translateX(-1em); transition: opacity 0.35s, transform 0.35s; }
.d-session.show { opacity: 1; transform: none; }
.d-dot { width: 0.6em; height: 0.6em; border-radius: 50%; background: var(--d-wait); transition: background 0.3s; }
.d-session.live .d-dot { background: var(--d-ok); animation: pulse 2s infinite; }
.d-sname { font: 600 1em var(--mono); }
.d-sstate { color: var(--muted); font-size: 0.85em; }
.d-bar { grid-column: 1 / -1; height: 0.3em; border-radius: 1em; background: var(--line); overflow: hidden; }
.d-bar span { display: block; height: 100%; width: 0; background: var(--d-ok); transition: width 0.6s ease; }
.d-main { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 1em 1.2em; gap: 0.9em; position: relative; }
.d-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); transition: opacity 0.3s; }
.d-empty.hide { opacity: 0; }
.d-head, .d-stats { opacity: 0; transition: opacity 0.35s; }
.d-head.show, .d-stats.show { opacity: 1; }
.d-head { display: flex; align-items: center; gap: 0.8em; }
.d-chip { padding: 0.15em 0.6em; border-radius: 4px; background: #fef3c7; color: #a16207; font-size: 0.75em; font-weight: 700; letter-spacing: 0.03em; }
.d-chip.live { background: #dcfce7; color: #15803d; }
.d-url { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font: 0.95em var(--mono); }
.d-url.live { color: var(--accent); font-weight: 600; }
.d-copy { padding: 0.35em 0.8em; border-radius: 6px; background: var(--inv); color: var(--inv-t); font-size: 0.85em; font-weight: 600; transition: transform 0.1s, opacity 0.3s; opacity: 0.35; }
.d-copy.ready { opacity: 1; }
.d-stats { display: flex; align-items: center; gap: 2em; padding: 0.7em 1em; border: 1px solid var(--line); border-radius: 8px; }
.d-stats div { display: flex; flex-direction: column; }
.d-stats b { font: 700 1.3em var(--mono); }
.d-stats small { color: var(--muted); font-size: 0.75em; }
.d-spark { flex: 1; height: 2.4em; }
.d-spark path { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.5s ease; }
.d-spark.draw path { stroke-dashoffset: 0; }
.d-logs { list-style: none; margin: 0; padding: 0; flex: 1; overflow: hidden; font: 0.85em/1.9 var(--mono); }
.d-logs li { display: flex; gap: 0.8em; white-space: nowrap; animation: logIn 0.3s ease both; }
.d-logs li .t { color: var(--muted); }
.d-logs li .l { min-width: 3.2em; text-align: center; border-radius: 3px; font-weight: 700; font-size: 0.85em; }
.d-logs .inf .l { background: #e0f2fe; color: #0369a1; }
.d-logs .wrn .l { background: #fef3c7; color: #a16207; }
.d-logs li .m { overflow: hidden; text-overflow: ellipsis; }
.d-logs .hl .m { color: var(--accent); font-weight: 600; }
@keyframes logIn { from { opacity: 0; transform: translateY(0.5em); } }
.d-term { position: absolute; left: 50%; top: 52%; width: 62%; padding: 1.2em 1.4em; border-radius: 10px; background: #1c1c1a; color: #ecece6; font: 1.1em/1.8 var(--mono); box-shadow: var(--pop); transform: translate(-50%, -50%); transition: opacity 0.45s, transform 0.45s; }
.d-term.hide { opacity: 0; transform: translate(-50%, -40%) scale(0.96); pointer-events: none; }
.d-prompt { color: #fb923c; }
.d-tout { color: #9a9a90; opacity: 0; transition: opacity 0.3s; }
.d-tout.show { opacity: 1; }
.d-tout u { color: #86efac; text-decoration: none; }
.d-toast { position: absolute; right: 1.5em; bottom: 1.5em; padding: 0.6em 1em; border-radius: 8px; background: var(--inv); color: var(--inv-t); font-weight: 600; opacity: 0; transform: translateY(0.6em); transition: opacity 0.3s, transform 0.3s; }
.d-toast.show { opacity: 1; transform: none; }
.d-cursor { position: absolute; left: 0; top: 0; width: 1.4em; height: 1.75em; fill: var(--text); stroke: var(--card); stroke-width: 1.2; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.3)); opacity: 0; transition: transform 0.8s cubic-bezier(0.5, 0, 0.2, 1), opacity 0.3s; }
.d-cursor.show { opacity: 1; }

.d-steps { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 1.2rem; }
.d-steps button {
  position: relative;
  overflow: hidden;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--muted);
  font: 600 0.85rem var(--sans);
  cursor: pointer;
}
.d-steps button::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--accent); }
.d-steps button.on { color: var(--text); border-color: var(--accent); }
.d-steps button.on::after { width: 100%; transition: width var(--dur, 4s) linear; }
.d-steps button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-color-scheme: dark) {
  .d-chip { background: #33280d; color: #fcd34d; }
  .d-chip.live { background: #16301f; color: #86efac; }
  .d-logs .inf .l { background: #10283a; color: #7dd3fc; }
  .d-logs .wrn .l { background: #33280d; color: #fcd34d; }
}

@container (max-width: 600px) {
  .demo { aspect-ratio: 4 / 3; font-size: 2.2cqw; }
}

@media (max-width: 560px) {
  .d-side { width: 34%; }
  .d-stats { gap: 1em; }
  .d-steps button { font-size: 0.8rem; padding: 0.4rem 0.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}