:root {
  --bg: #14142b;
  --panel: #1f1e3d;
  --panel-2: #2b2a52;
  --line: rgba(255, 255, 255, 0.1);
  --ink: #f6f5ff;
  --muted: #b7b5d6;
  --primary: #7c6fe0;
  --primary-deep: #5b4fc4;
  --moon: #ffd98a;
  --green: #8fd36b;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "Noto Sans TC", "Noto Sans JP", "Noto Sans KR", sans-serif;
  background: radial-gradient(1100px 600px at 85% -10%, rgba(124, 111, 224, 0.28), transparent 60%), radial-gradient(800px 500px at 0% 30%, rgba(143, 211, 107, 0.08), transparent 60%), var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--moon); text-decoration: none; }
a:hover { text-decoration: underline; }

/* language switching: elements carry class "en", "zh", "ja" or "ko" */
html[data-lang="en"] .zh, html[data-lang="en"] .ja, html[data-lang="en"] .ko { display: none !important; }
html[data-lang="zh"] .en, html[data-lang="zh"] .ja, html[data-lang="zh"] .ko { display: none !important; }
html[data-lang="ja"] .en, html[data-lang="ja"] .zh, html[data-lang="ja"] .ko { display: none !important; }
html[data-lang="ko"] .en, html[data-lang="ko"] .zh, html[data-lang="ko"] .ja { display: none !important; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(20, 20, 43, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.1rem;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--primary), var(--primary-deep));
  display: grid;
  place-items: center;
  font-size: 1rem;
}
.nav-links { margin-left: auto; display: flex; gap: 18px; font-size: 0.92rem; flex-wrap: wrap; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

.lang-switch {
  display: flex;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.lang-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 999px;
  cursor: pointer;
}
html[data-lang="en"] .lang-button[data-lang-switch="en"],
html[data-lang="zh"] .lang-button[data-lang-switch="zh"],
html[data-lang="ja"] .lang-button[data-lang-switch="ja"],
html[data-lang="ko"] .lang-button[data-lang-switch="ko"] {
  background: var(--primary);
  color: #fff;
}

main { max-width: 1080px; margin: 0 auto; padding: 0 20px 40px; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--moon);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 64px 0 40px;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.3rem, 6vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -1px;
}
.hero h1 .accent { color: var(--moon); }
.hero-subtitle { margin: 0 0 24px; color: var(--muted); font-size: 1.1rem; max-width: 34em; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--panel);
}
.button:hover { text-decoration: none; border-color: rgba(255, 255, 255, 0.28); }
.button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.button.disabled { opacity: 0.9; cursor: default; }
.small-note { margin-top: 14px; color: var(--muted); font-size: 0.88rem; }

.hero-art {
  justify-self: center;
  width: min(380px, 84vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, var(--panel-2), rgba(20, 20, 43, 0) 70%);
  display: grid;
  place-items: center;
}
.hero-art svg { width: 88%; height: auto; overflow: visible; }
.goblin-float { animation: float 5s ease-in-out infinite; transform-origin: 50% 80%; }
.zzz { animation: zzz 3.4s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-6px) scale(0.97); } }
@keyframes zzz { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .goblin-float, .zzz { animation: none; } }

/* ---------- sections ---------- */
.section { padding: 56px 0 8px; }
.section-heading { max-width: 40em; margin-bottom: 26px; }
.section-heading h2 { margin: 0 0 8px; font-size: clamp(1.6rem, 4vw, 2.3rem); letter-spacing: -0.5px; }
.section-heading p { margin: 0; color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 { margin: 10px 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}
.feature-icon { font-size: 1.8rem; }

.pro-card {
  background: linear-gradient(140deg, rgba(124, 111, 224, 0.28), var(--panel));
  border: 1px solid rgba(124, 111, 224, 0.5);
  border-radius: 28px;
  padding: 30px;
}
.pro-card h2 { margin: 0 0 8px; font-size: 1.8rem; }
.pro-card p { margin: 0 0 14px; color: var(--muted); }
.pro-list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 8px; }
.pro-list li { padding-left: 26px; position: relative; }
.pro-list li::before { content: "★"; position: absolute; left: 0; color: var(--moon); }

.faq details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 800; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

/* ---------- legal pages ---------- */
.legal-hero { padding: 56px 0 18px; max-width: 46em; }
.legal-hero h1 { margin: 0 0 10px; font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.5px; }
.legal-hero p { margin: 0; color: var(--muted); }
.legal-layout { display: grid; gap: 14px; max-width: 46em; }
.legal-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 24px;
}
.legal-card h2 { margin: 0 0 10px; font-size: 1.15rem; }
.legal-card p { margin: 0 0 10px; color: #dcdaf2; }
.legal-card ul { margin: 0 0 10px; padding-left: 1.2em; color: #dcdaf2; }
.legal-card li { margin-bottom: 6px; }
.legal-card p:last-child, .legal-card ul:last-child { margin-bottom: 0; }

/* ---------- footer ---------- */
.footer {
  max-width: 1080px;
  margin: 40px auto 0;
  padding: 26px 20px 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .grid-3 { grid-template-columns: 1fr; }
  .nav-links { margin-left: 0; order: 3; width: 100%; }
}

/* =====================================================================
   Landing page: "the page is one night". A sticky goblin changes with the
   story as you scroll from 23:00 to 07:00.
   ===================================================================== */
.sky {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 72px 20px 40px;
}
.sky::before, .sky::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 12% 30%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 28% 68%, #fff, transparent),
    radial-gradient(2px 2px at 44% 22%, #ffe9a8, transparent),
    radial-gradient(1.5px 1.5px at 63% 56%, #fff, transparent),
    radial-gradient(2px 2px at 78% 28%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 90% 70%, #ffe9a8, transparent),
    radial-gradient(1.5px 1.5px at 6% 80%, #fff, transparent);
  animation: twinkle 4s ease-in-out infinite;
  pointer-events: none;
}
.sky::after { transform: scale(1.3) translate(4%, 6%); animation-delay: 2s; opacity: 0.7; }
@keyframes twinkle { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }
.sky-inner { position: relative; max-width: 780px; margin: 0 auto; }
.sky h1 {
  margin: 0 0 16px;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -1.5px;
}
.sky h1 .accent { color: var(--moon); }
.sky .hero-subtitle { margin: 0 auto 24px; }
.sky .cta-row { justify-content: center; }
.scroll-hint { margin-top: 30px; color: var(--muted); font-size: 0.9rem; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

.night { display: grid; grid-template-columns: minmax(300px, 0.9fr) 1.1fr; gap: 40px; align-items: start; padding: 20px 0 20px; }
.stage-wrap { position: sticky; top: 86px; align-self: start; }
.stage {
  position: relative;
  border-radius: 36px;
  background: radial-gradient(circle at 50% 38%, #2f2e63, #191935 72%);
  border: 1px solid var(--line);
  padding: 14px 14px 18px;
  overflow: hidden;
}
.stage svg { width: 100%; height: auto; display: block; }
.clock-row { display: flex; align-items: baseline; justify-content: space-between; padding: 4px 8px 10px; }
.clock { font-size: 2.1rem; font-weight: 800; letter-spacing: 1px; font-variant-numeric: tabular-nums; }
.state-label { color: var(--moon); font-weight: 800; font-size: 0.9rem; text-align: right; }
.meter { height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.1); overflow: hidden; margin: 0 8px; }
.meter > i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--green), var(--moon)); transition: width 0.8s ease; }
.stage[data-state="warning"] .meter > i { background: #ffd447; }
.stage[data-state="eat"] .meter > i { background: #ff8a80; }

.chapters { display: grid; gap: 22vh; padding: 10vh 0 18vh; }
.chapter {
  opacity: 0.38;
  transition: opacity 0.4s ease, transform 0.4s ease;
  transform: translateX(8px);
}
.chapter.active { opacity: 1; transform: none; }
.chapter .when { color: var(--moon); font-weight: 800; letter-spacing: 1px; font-size: 0.85rem; }
.chapter h3 { margin: 6px 0 8px; font-size: clamp(1.5rem, 3.6vw, 2.1rem); letter-spacing: -0.5px; line-height: 1.15; }
.chapter p { margin: 0 0 12px; color: var(--muted); max-width: 30em; }
.choice { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.choice button {
  font: inherit;
  font-weight: 800;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  padding: 11px 18px;
  cursor: pointer;
}
.choice button:hover { border-color: rgba(255, 255, 255, 0.35); }
.choice button.on { background: var(--primary); border-color: var(--primary); }

/* goblin states */
.gob { transform-origin: 200px 332px; transition: transform 0.9s cubic-bezier(0.3, 0.7, 0.2, 1); }
.stage[data-state="hungry"] .gob { transform: scale(1); }
.stage[data-state="starving"] .gob { transform: scale(0.62); }
.stage[data-state="warning"] .gob { transform: scale(1.12); }
.stage[data-state="eat"] .gob { transform: scale(2.2); transition-duration: 1.6s; }
.stage[data-state="asleep"] .gob { transform: scale(0.4); }
.breathe { transform-origin: 200px 332px; animation: breathe 3.6s ease-in-out infinite; }
.stage[data-state="warning"] .breathe { animation: jitter 0.14s linear infinite; }
.stage[data-state="eat"] .breathe, .stage[data-state="asleep"] .breathe { animation: none; }
@keyframes breathe { 0%, 100% { transform: scale(1, 1); } 50% { transform: scale(1.025, 0.975); } }
@keyframes jitter { 0%, 100% { transform: translateX(-2px) rotate(-0.8deg); } 50% { transform: translateX(2px) rotate(0.8deg); } }

.eyes-open, .eyes-sleepy, .eyes-closed, .eyes-eat, .m-frown, .m-o, .m-big, .m-smile, .drool, .brows, .orbit, .zzz, .sparks { opacity: 0; transition: opacity 0.3s ease; }
.stage[data-state="hungry"] .eyes-open, .stage[data-state="warning"] .eyes-open { opacity: 1; }
.stage[data-state="starving"] .eyes-sleepy { opacity: 1; }
.stage[data-state="asleep"] .eyes-closed { opacity: 1; }
.stage[data-state="eat"] .eyes-eat, .stage[data-state="eat"] .brows { opacity: 1; }
.stage[data-state="hungry"] .m-frown, .stage[data-state="starving"] .m-frown { opacity: 1; }
.stage[data-state="warning"] .m-o, .stage[data-state="warning"] .drool { opacity: 1; }
.stage[data-state="eat"] .m-big { opacity: 1; }
.stage[data-state="asleep"] .m-smile, .stage[data-state="asleep"] .zzz, .stage[data-state="asleep"] .sparks { opacity: 1; }
.stage[data-state="warning"] .eyes-open { transform: scale(1.18); transform-box: fill-box; transform-origin: center; }
.orbit { transform-origin: 200px 272px; }
.stage[data-state="warning"] .orbit { opacity: 1; animation: spin 5s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit .ic { transform-box: fill-box; transform-origin: center; animation: counter 5s linear infinite; }
@keyframes counter { to { transform: rotate(-360deg); } }
.zzz text { animation: zzz 3s ease-in-out infinite; }
.zzz text:nth-child(2) { animation-delay: 0.8s; }
@keyframes zzz { 0%, 100% { opacity: 0.3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-8px); } }
.sparks path { animation: twinkle 2.4s ease-in-out infinite; }
.phone-obj { transform-origin: 318px 322px; transition: transform 0.6s ease; }
.stage[data-state="warning"] .phone-obj { transform: translate(-14px, -62px) rotate(-62deg); }
.stage[data-state="eat"] .phone-obj { transform: translate(-14px, -62px) rotate(-62deg); }
.phone-glow { opacity: 0; transition: opacity 0.4s ease; }
.stage[data-state="warning"] .phone-glow, .stage[data-state="eat"] .phone-glow { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .breathe, .orbit, .orbit .ic, .zzz text, .sparks path, .sky::before, .sky::after, .scroll-hint { animation: none !important; }
  .gob, .phone-obj, .meter > i { transition: none; }
}

/* ---------- bento features ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.tile h3 { margin: 8px 0 6px; font-size: 1.15rem; }
.tile p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.tile .emoji { font-size: 1.9rem; }
.t-a { grid-column: span 4; background: linear-gradient(135deg, #2b2a52, var(--panel)); }
.t-b { grid-column: span 2; }
.t-c { grid-column: span 2; }
.t-d { grid-column: span 2; }
.t-e { grid-column: span 2; }
.t-f, .t-g { grid-column: span 6; display: flex; align-items: center; gap: 18px; }
.big-num { font-size: 3.2rem; font-weight: 800; color: var(--moon); line-height: 1; letter-spacing: -1px; }

/* ---------- vault strip ---------- */
.vault { padding-top: 56px; }
.vault-strip { display: flex; gap: 14px; overflow-x: auto; padding: 6px 2px 16px; scroll-snap-type: x mandatory; }
.vault-item {
  flex: 0 0 150px;
  scroll-snap-align: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 12px 10px 14px;
  text-align: center;
  transition: transform 0.25s ease;
}
.vault-item:hover { transform: translateY(-6px) rotate(-1.5deg); }
.vault-item svg { width: 100%; height: auto; }
.vault-item b { display: block; font-size: 0.92rem; }
.vault-item small { color: var(--muted); }
.vault-item.locked { opacity: 0.55; }

@media (max-width: 820px) {
  .night { grid-template-columns: 1fr; gap: 10px; }
  .stage-wrap { top: 64px; z-index: 5; }
  .stage { padding: 8px 10px 12px; }
  .stage svg { max-height: 34vh; }
  .chapters { gap: 18vh; padding-top: 4vh; }
  .bento { grid-template-columns: 1fr; }
  .t-a, .t-b, .t-c, .t-d, .t-e, .t-f, .t-g { grid-column: auto; }
}

/* Tomorrow-plan bedtime animation (12s loop) */
.plan-scene { position: relative; flex: 0 0 280px; max-width: 100%; }
.plan-scene svg { display: block; width: 100%; height: auto; border-radius: 18px; }
.ps-bubble { position: absolute; left: 6%; top: 8%; max-width: 62%; padding: 7px 11px 8px; border-radius: 14px 14px 14px 4px;
  background: #fff; color: #2b2a52; font-size: 12.5px; font-weight: 600; line-height: 1.5; opacity: 0;
  box-shadow: 0 6px 18px rgba(0,0,0,.35); animation: ps-bubble 12s ease-in-out infinite; }
.ps-title { font-size: 10.5px; font-weight: 800; color: #7567e0; letter-spacing: .04em; }
.ps-line { display: flex; gap: 6px; align-items: center; white-space: nowrap; }
.ps-line i { font-style: normal; color: #7567e0; }
.ps-type { display: inline-block; overflow: hidden; white-space: nowrap; max-width: 0; }
.ps-line.l1 .ps-type { animation: ps-type1 12s steps(16, end) infinite; }
.ps-line.l2 .ps-type { animation: ps-type2 12s steps(10, end) infinite; }
.ps-head { transform-origin: 52px 112px; animation: ps-head 12s ease-in-out infinite; }
.ps-open { animation: ps-open 12s step-end infinite; }
.ps-shut { opacity: 0; animation: ps-shut 12s step-end infinite; }
.ps-mouth { animation: ps-mouth 12s step-end infinite; }
.ps-screen { animation: ps-screen 12s step-end infinite; }
.ps-z text { opacity: 0; }
.ps-z .z1 { animation: ps-z 12s ease-out infinite; }
.ps-z .z2 { animation: ps-z 12s ease-out infinite .5s; }
.ps-z .z3 { animation: ps-z 12s ease-out infinite 1s; }
.ps-stars circle { animation: ps-twinkle 3s ease-in-out infinite; }
.ps-stars circle:nth-child(2n) { animation-delay: 1.2s; }
@keyframes ps-bubble { 0%, 4% { opacity: 0; transform: translateY(6px) scale(.9); } 8%, 66% { opacity: 1; transform: none; } 74%, 100% { opacity: 0; transform: translateY(-4px); } }
@keyframes ps-type1 { 0%, 10% { max-width: 0; } 24%, 100% { max-width: 12em; } }
@keyframes ps-type2 { 0%, 28% { max-width: 0; } 38%, 100% { max-width: 12em; } }
@keyframes ps-head { 0%, 4% { transform: rotate(0); } 8%, 60% { transform: translateY(-4px) rotate(-6deg); } 66%, 100% { transform: rotate(0); } }
@keyframes ps-open { 0%, 62% { opacity: 1; } 63%, 100% { opacity: 0; } }
@keyframes ps-shut { 0%, 62% { opacity: 0; } 63%, 96% { opacity: 1; } 97%, 100% { opacity: 0; } }
@keyframes ps-mouth { 0%, 9% { ry: 1.2px; } 10%, 14% { ry: 3px; } 15%, 19% { ry: 1.2px; } 20%, 24% { ry: 3px; } 25%, 30% { ry: 1.2px; } 31%, 36% { ry: 3px; } 37%, 100% { ry: 1.5px; } }
@keyframes ps-screen { 0%, 56% { opacity: 1; } 57%, 100% { opacity: 0; } }
@keyframes ps-z { 0%, 64% { opacity: 0; transform: translate(0, 6px); } 72% { opacity: 1; } 96%, 100% { opacity: 0; transform: translate(10px, -14px); } }
@keyframes ps-twinkle { 0%, 100% { opacity: .9; } 50% { opacity: .25; } }
@media (max-width: 760px) { .plan-scene { flex-basis: auto; width: 100%; } .t-g { flex-direction: column; align-items: stretch; } }
@media (prefers-reduced-motion: reduce) {
  .ps-bubble, .ps-head, .ps-open, .ps-shut, .ps-mouth, .ps-screen, .ps-z text, .ps-stars circle, .ps-type { animation: none !important; }
  .ps-bubble { opacity: 1; } .ps-type { max-width: 12em; } .ps-open { opacity: 0; } .ps-shut { opacity: 1; } .ps-z text { opacity: 1; } .ps-screen { opacity: 0; }
}