/* Boxlet — boxlet.day
   Tokens mirror docs/design-system.md in the app repo. One typeface, hierarchy
   by weight; paper tints per card type; indigo is the only interaction color;
   no decorative gradients. The site is the app's ninth screen. */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/assets/fonts/PlusJakartaSans-Variable.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --bg: #F6F3EE;
  --surface: #FFFDF9;
  --raised: #FFFFFF;
  --sunken: #EDE9E1;
  --ink: #1E1B16;
  --ink-2: #7A7268;
  --ink-3: #A9A196;
  --hairline: #E3DED4;
  --divider: #EDE8DF;
  --primary: #4A5DA8;
  --primary-filled: #35478A;
  --primary-pressed: #2A3970;
  --primary-soft: #E8EBF7;
  --on-primary: #FFFFFF;
  --success: #3F8F5C;
  --streak: #E07A2B;
  --mood-good: #5E9E6B;
  --mood-good-bg: #EAF3EA;
  --paper-note: #FDF7EA;
  --paper-todo: #F0F2FA;
  --paper-expense: #F5F0F9;
  --paper-link: #EAF3F1;
  --paper-weather: #EDF3F9;
  --paper-wake: #FFF1E0;
  --paper-bed: #E8E7F6;
  --paper-timer: #F1F5EC;
  --phone-bezel: #14120F;
  --card-shadow: 0 1px 3px rgba(58, 46, 34, 0.05);
  --phone-shadow: 0 24px 60px -24px rgba(30, 27, 22, 0.35), 0 8px 20px -12px rgba(30, 27, 22, 0.2);
  --r-card: 18px;
  --r-tile: 14px;
  --r-image: 12px;
  --r-pill: 999px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131210;
    --surface: #1D1B17;
    --raised: #26231E;
    --sunken: #100F0D;
    --ink: #F4F1EA;
    --ink-2: #A39C90;
    --ink-3: #7A7368;
    --hairline: #35312A;
    --divider: #2B2822;
    --primary: #8E9CDD;
    --primary-filled: #6E7DC4;
    --primary-pressed: #5A68A8;
    --primary-soft: #232840;
    --success: #5FB07B;
    --streak: #F0913F;
    --mood-good: #5FB07B;
    --mood-good-bg: #1A2E1D;
    --paper-note: #221E15;
    --paper-todo: #1A1D2B;
    --paper-expense: #221C2B;
    --paper-link: #16241F;
    --paper-weather: #16202B;
    --paper-wake: #2B1E12;
    --paper-bed: #141728;
    --paper-timer: #1A2116;
    --phone-bezel: #2E2A24;
    --card-shadow: none;
    --phone-shadow: 0 0 0 1px var(--hairline);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.01em; line-height: 1.15; }
p { margin: 0; }

.wrap {
  width: min(100% - 2.5rem, 1120px);
  margin-inline: auto;
}

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 9px; }

.nav-links {
  display: flex;
  gap: 1.75rem;
  margin-inline: auto;
  padding-inline: 2rem;
}
.nav-links a { color: var(--ink-2); font-weight: 600; font-size: 0.9375rem; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

.topbar-actions { display: flex; align-items: center; gap: 1.25rem; }

.lang {
  color: var(--ink-2);
  font-weight: 600;
  font-size: 0.9375rem;
}
.lang:hover { color: var(--ink); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.25rem;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  white-space: nowrap;
  transition: background-color 120ms ease, transform 120ms ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--primary-filled); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-pressed); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--hairline);
}
.btn-ghost:hover { background: var(--surface); }

.btn svg { width: 18px; height: 18px; flex: none; }

.badge { display: inline-block; line-height: 0; border-radius: 8px; transition: transform 120ms ease, opacity 120ms ease; }
.badge img { height: 54px; width: auto; }
.badge:hover { opacity: 0.88; }
.badge:active { transform: translateY(1px); }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding-block: clamp(2rem, 6vw, 4.5rem) clamp(3rem, 8vw, 6rem);
}

.hero h1 {
  font-size: clamp(2.375rem, 5.2vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-wrap: balance;
}

/* Vietnamese runs ~10% longer; one step down keeps the headline on two lines. */
html[lang="vi"] .hero h1 { font-size: clamp(2.125rem, 4.6vw, 3.5rem); }

.hero .lead {
  margin-top: 1.25rem;
  max-width: 34rem;
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  color: var(--ink-2);
  text-wrap: pretty;
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero .fine {
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-3);
}
.hero .fine span + span::before { content: "·"; margin-inline: 0.5rem; }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

/* ---------- phone frame ---------- */

.phone {
  width: 100%;
  max-width: 320px;
  padding: 10px;
  background: var(--phone-bezel);
  border-radius: 48px;
  box-shadow: var(--phone-shadow);
}
.phone img {
  width: 100%;
  border-radius: 38px;
  background: #F6F3EE;
}
.phone-sm { max-width: 240px; border-radius: 40px; padding: 8px; }
.phone-sm img { border-radius: 32px; }

/* ---------- sections ---------- */

.section { padding-block: clamp(3rem, 8vw, 6rem); scroll-margin-top: 1rem; }
.section + .section { border-top: 1px solid var(--divider); }

.section-head { max-width: 40rem; }
.section-head h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.375rem);
  text-wrap: balance;
}
.section-head p {
  margin-top: 0.75rem;
  color: var(--ink-2);
  font-size: 1.0625rem;
  text-wrap: pretty;
}
.section-head.center { margin-inline: auto; text-align: center; }

/* ---------- pillars ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: clamp(1.25rem, 2.5vw, 2rem) clamp(1.25rem, 2.5vw, 2rem) 0;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}
.pillar h3 { font-size: 1.25rem; }
.pillar p { margin-top: 0.5rem; color: var(--ink-2); font-size: 0.9375rem; }
.pillar .shot {
  margin-top: auto;
  align-self: center;
  width: 78%;
  max-width: 250px;
  padding: 7px 7px 0;
  background: var(--phone-bezel);
  border-radius: 34px 34px 0 0;
}
.pillar .shot img {
  border-radius: 28px 28px 0 0;
  aspect-ratio: 1320 / 2420;
  object-fit: cover;
  object-position: top;
  background: #F6F3EE;
}

/* ---------- paper collection (the signature) ---------- */

.paper-section { background: var(--surface); }

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 132px;
  gap: 12px;
  width: min(100%, 620px);
  margin: clamp(2rem, 5vw, 3.5rem) auto 0;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px -8px rgba(30, 27, 22, 0.2), var(--card-shadow);
}
.w2 { grid-column: span 2; }
.h2 { grid-row: span 2; }

.card-label {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.card-label .meta { letter-spacing: 0; text-transform: none; font-weight: 500; color: var(--ink-3); }

.card-body { margin-top: auto; }
.card-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.card-text { font-size: 1rem; line-height: 1.35; }
.card-sub { font-size: 0.8125rem; color: var(--ink-2); margin-top: 2px; }
.card-sm .card-value { font-size: 1.25rem; }
.card-sm .card-text { font-size: 0.9375rem; }

.card-note { background: var(--paper-note); }
.card-todo { background: var(--paper-todo); }
.card-expense { background: var(--paper-expense); }
.card-link { background: var(--paper-link); }
.card-weather { background: var(--paper-weather); }
.card-wake { background: var(--paper-wake); }
.card-bed { background: var(--paper-bed); }
.card-timer { background: var(--paper-timer); }
.card-mood { background: var(--mood-good-bg); }

.card-photo { padding: 0; border: 0; }
.card-photo img { width: 100%; height: 100%; object-fit: cover; }

.progress {
  height: 5px;
  margin-top: 10px;
  border-radius: var(--r-pill);
  background: var(--divider);
  overflow: hidden;
}
.progress i { display: block; height: 100%; width: 75%; background: var(--primary); border-radius: inherit; }

.tick {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.9375rem;
  color: var(--ink-2);
  text-decoration: line-through;
}
.tick svg { width: 18px; height: 18px; color: var(--success); flex: none; }

.mood-face { display: flex; align-items: center; gap: 10px; color: var(--mood-good); font-weight: 600; font-size: 1.125rem; }
.mood-face svg { width: 30px; height: 30px; }

.card-add {
  align-items: center;
  justify-content: center;
  border-style: dashed;
  background: transparent;
  color: var(--ink-3);
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: none;
}
.card-add svg { width: 20px; height: 20px; margin-bottom: 4px; }

/* ---------- look back ---------- */

.lookback {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.lookback ul {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.lookback li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0.875rem;
  align-items: start;
}
.lookback li .ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-tile);
  background: var(--primary-soft);
  color: var(--primary);
}
.lookback li .ico svg { width: 20px; height: 20px; }
.lookback li b { display: block; font-weight: 600; font-size: 1rem; }
.lookback li span { color: var(--ink-2); font-size: 0.9375rem; }

.phone-pair {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1rem;
}
.phone-pair .phone:first-child { transform: translateY(1.5rem); }

/* ---------- pro + closing ---------- */

.closing {
  text-align: center;
  padding-block: clamp(3rem, 8vw, 6rem);
}
.closing h2 { font-size: clamp(1.75rem, 3.2vw, 2.375rem); text-wrap: balance; }
.closing .store-row { justify-content: center; }
.closing .pro {
  margin: 2.5rem auto 0;
  max-width: 36rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
  text-wrap: pretty;
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--divider);
  padding-block: 2rem 2.5rem;
  font-size: 0.875rem;
  color: var(--ink-2);
}
.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
}
.footer nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.footer nav a { color: var(--ink-2); font-weight: 500; }
.footer nav a:hover { color: var(--ink); }

/* ---------- legal / prose pages ---------- */

.legal { padding-block: 1rem 4rem; }
.legal .prose { max-width: 720px; }
.legal h1 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.legal h2 { font-size: 1.1875rem; margin-top: 2rem; margin-bottom: 0.5rem; }
.legal p { margin-bottom: 0.75rem; }
.legal ul { padding-left: 1.25rem; margin: 0 0 0.75rem; }
.legal li { margin-bottom: 0.25rem; }
.legal hr { border: none; border-top: 1px solid var(--divider); margin: 3rem 0; }
.legal .muted { color: var(--ink-2); font-size: 0.9rem; }
.legal code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--sunken); padding: 0.1em 0.35em; border-radius: 4px; }

/* ---------- motion ---------- */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.in { opacity: 1; transform: none; }
.board .card { transition-delay: calc(var(--i, 0) * 50ms); }

@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero-copy > * { animation: rise 600ms ease both; }
.hero-copy > :nth-child(2) { animation-delay: 80ms; }
.hero-copy > :nth-child(3) { animation-delay: 160ms; }
.hero-copy > :nth-child(4) { animation-delay: 240ms; }
.hero-visual .phone { animation: rise 700ms ease 200ms both; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-copy > *, .hero-visual .phone { animation: none; }
  .card, .btn { transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 1.5rem; }
  .hero .lead { margin-inline: auto; }
  .store-row { justify-content: center; }
  .hero-visual { margin-top: 1.5rem; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { flex-direction: row; align-items: flex-end; padding: 1.5rem 1.5rem 0; }
  .pillar > div { padding-bottom: 1.5rem; }
  .pillar .shot { width: 38%; max-width: 180px; flex: none; }
  .lookback { grid-template-columns: 1fr; }
  .phone-pair { margin-top: 1rem; }
}

@media (max-width: 760px) {
  .nav-links { display: none; }
}

@media (max-width: 560px) {
  .topbar .btn { display: none; }
  .phone { max-width: 270px; }
  .board { grid-auto-rows: 96px; gap: 8px; }
  .card { padding: 10px 12px; border-radius: var(--r-tile); }
  .card-label { font-size: 0.625rem; }
  .card-value { font-size: 1.125rem; }
  .card-text { font-size: 0.8125rem; }
  .card-sm .card-value { font-size: 1rem; }
  .card-sm .card-text { font-size: 0.75rem; }
  .card-sub { font-size: 0.6875rem; }
  .tick { font-size: 0.75rem; margin-top: 6px; }
  .tick svg { width: 14px; height: 14px; }
  .mood-face { font-size: 0.9375rem; gap: 6px; }
  .mood-face svg { width: 22px; height: 22px; }
  .pillar { flex-direction: column; align-items: stretch; }
  .pillar .shot { width: 70%; max-width: 220px; align-self: center; }
  .phone-pair { gap: 0.5rem; }
  .phone-pair .phone { max-width: 46%; padding: 6px; border-radius: 32px; }
  .phone-pair .phone img { border-radius: 26px; }
  .badge img { height: 48px; }
}