/* Invoizo site. Colours come from the app theme (core/designsystem/theme/Color.kt). */

/* Anek by Ek Type, SIL Open Font License 1.1 (fonts/OFL.txt). Self-hosted, subset. */
@font-face {
  font-family: "Anek Latin";
  src: url("/assets/fonts/anek-latin.woff2") format("woff2");
  font-weight: 400 800;
  font-stretch: 75% 100%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Anek Devanagari";
  src: url("/assets/fonts/anek-devanagari-hindi.woff2") format("woff2");
  font-weight: 600 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0900-097F, U+200C-200D, U+25CC;
}

:root {
  color-scheme: light;

  --brand: #0b63e5;          /* BrandPrimaryBlue */
  --brand-deep: #0747a6;     /* BrandPrimaryDark */
  --brand-ink: #062f6e;
  --brand-tint: #e8f1fd;     /* BrandPrimaryLight */
  --bolt: #ffd54f;           /* the gold bolt in the launcher icon */

  --canvas: #f8f9fc;         /* CanvasBackground */
  --surface: #ffffff;
  --muted: #f1f3f9;          /* SurfaceMuted */
  --rule: #e5e7eb;           /* DividerColor */
  --text: #111827;           /* TextPrimary */
  --text-2: #4b5563;         /* TextLabel */
  --text-3: #6b7280;         /* TextSecondary */
  --link: #0b63e5;

  --paper: #ffffff;
  --paper-ink: #111827;
  --paper-2: #5b6474;
  --paper-rule: #d9dee7;
  --paid: #138a4b;           /* SuccessText */

  --hero-bg: #0b63e5;
  --hero-bg-2: #0747a6;
  --hero-text: #ffffff;
  --hero-text-2: #dbe8ff;

  --focus: #ffd54f;
  --focus-on-light: #0747a6;

  --font: "Anek Latin", "Anek Devanagari", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-deva: "Anek Devanagari", "Anek Latin", system-ui, sans-serif;

  --gutter: 16px;
  --measure: 68ch;
  --wrap: 1120px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
    --brand: #4d8df7;        /* DarkBrandPrimaryBlue */
    --brand-deep: #b9d4ff;
    --brand-tint: #16305a;
    --canvas: #0f1115;       /* DarkCanvasBackground */
    --surface: #1a1d24;      /* DarkCardSurface */
    --muted: #232730;
    --rule: #343a46;
    --text: #f3f4f6;
    --text-2: #c3c8d1;
    --text-3: #a1a8b3;
    --link: #8fb8ff;

    --paper: #eef1f6;
    --paper-rule: #cfd5df;

    --hero-bg: #0a3a86;
    --hero-bg-2: #06214d;
    --hero-text-2: #c9dbff;
    --focus-on-light: #8fb8ff;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.55;
  font-variation-settings: "wdth" 100;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--focus-on-light); outline-offset: 3px; border-radius: 4px; }
.hero :focus-visible, .site-head :focus-visible { outline-color: var(--focus); }

.skip {
  position: absolute; left: var(--gutter); top: -100px;
  background: var(--surface); color: var(--text);
  padding: 10px 14px; border-radius: 8px; z-index: 10;
}
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
@media (min-width: 720px) { :root { --gutter: 32px; } }

h1, h2, h3 { line-height: 1.05; margin: 0; font-weight: 750; letter-spacing: -0.01em; }
p { margin: 0; }

/* ---------- Header ---------- */

.site-head { background: var(--hero-bg); color: var(--hero-text); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; font-size: 1.35rem; letter-spacing: -0.01em; }
.brand img { width: 36px; height: 36px; border-radius: 9px; box-shadow: 0 0 0 1px rgb(255 255 255 / 0.25); }
.head-link { color: var(--hero-text); font-weight: 600; font-size: 1rem; }

/* Plain (non-hero) header used on inner pages */
.site-head.plain { background: transparent; color: var(--text); border-bottom: 1px solid var(--rule); }
.site-head.plain .head-link { color: var(--link); }
.site-head.plain :focus-visible { outline-color: var(--focus-on-light); }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(175deg, var(--hero-bg) 0%, var(--hero-bg-2) 100%);
  color: var(--hero-text);
  padding: 24px 0 72px;
  overflow: hidden;
}
.hero .wrap { display: grid; gap: 48px; align-items: center; }
.hero .wrap > * { min-width: 0; }
@media (min-width: 900px) {
  .hero { padding: 48px 0 104px; }
  .hero .wrap { grid-template-columns: 1.05fr 0.95fr; gap: 56px; }
}

.hero h1 {
  font-size: clamp(3rem, 11vw, 5.2rem);
  font-variation-settings: "wdth" 78;
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
}
.hero h1 span { display: block; }
.hero-lede { margin-top: 22px; font-size: 1.25rem; line-height: 1.45; color: var(--hero-text-2); max-width: 34ch; }

.cta-row { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.play {
  display: inline-flex; align-items: center; gap: 12px;
  background: #000; color: #fff; text-decoration: none;
  padding: 10px 20px 10px 16px; border-radius: 12px;
  border: 1px solid rgb(255 255 255 / 0.35);
  min-height: 56px;
}
.play:hover { background: #111a2e; }
.play svg { width: 26px; height: 26px; flex: none; }
.play small { display: block; font-size: 0.72rem; line-height: 1.1; opacity: 0.85; letter-spacing: 0.02em; }
.play strong { display: block; font-size: 1.2rem; line-height: 1.1; font-weight: 600; }
.cta-note { font-size: 0.95rem; color: var(--hero-text-2); }

.trust { margin: 36px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 1rem; color: var(--hero-text); }
.trust li { display: inline-flex; align-items: center; gap: 8px; }
.trust li::before { content: ""; width: 8px; height: 8px; background: var(--bolt); transform: rotate(45deg); flex: none; }

/* ---------- The bill slip (the one bold thing) ---------- */

.slip-stage { position: relative; justify-self: center; width: 100%; max-width: 420px; filter: drop-shadow(0 24px 30px rgb(2 20 60 / 0.45)); }
.slip {
  --edge: 10px;
  position: relative;
  background: var(--paper);
  color: var(--paper-ink);
  padding: 22px 22px calc(22px + var(--edge));
  font-size: 0.86rem;
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
  transform: rotate(-2.2deg);
  /* torn, zig-zag foot like a page pulled off a bill book */
  -webkit-mask: conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) 50% / calc(var(--edge) * 2) 100%;
          mask: conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) 50% / calc(var(--edge) * 2) 100%;
}
@media (prefers-reduced-motion: no-preference) {
  .slip { animation: tear-in 900ms cubic-bezier(.2,.8,.2,1) both 150ms; }
  @keyframes tear-in {
    from { transform: translateY(40px) rotate(-6deg); opacity: 0; }
    to   { transform: rotate(-2.2deg); opacity: 1; }
  }
}
.slip-top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; padding-bottom: 12px; border-bottom: 2px solid var(--paper-ink); }
.slip-title { font-weight: 800; font-size: 1.05rem; font-variation-settings: "wdth" 90; letter-spacing: 0.01em; }
.slip-sub { color: var(--paper-2); }
.slip-meta { text-align: right; color: var(--paper-2); }
.slip-meta b { color: var(--paper-ink); font-weight: 700; }
.slip-to { padding: 10px 0; display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--paper-rule); }
.slip-to b { display: block; color: var(--paper-ink); }
.slip-to span { color: var(--paper-2); }

.slip table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.slip th { text-align: left; font-weight: 600; color: var(--paper-2); font-size: 0.74rem; padding: 6px 0; border-bottom: 1px solid var(--paper-rule); }
.slip td { padding: 8px 0; vertical-align: top; border-bottom: 1px solid var(--paper-rule); }
.slip td small { display: block; color: var(--paper-2); font-size: 0.74rem; }
.slip .num { text-align: right; white-space: nowrap; }
.slip tfoot td { border: 0; padding: 3px 0; color: var(--paper-2); }
.slip tfoot tr.total td { padding-top: 10px; color: var(--paper-ink); font-weight: 800; font-size: 1.15rem; border-top: 2px solid var(--paper-ink); }

.slip-foot { display: flex; gap: 14px; align-items: center; margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--paper-rule); }
.slip-foot p { color: var(--paper-2); font-size: 0.78rem; }
.slip-foot b { color: var(--paper-ink); display: block; font-size: 0.86rem; }
.slip-words { margin-top: 10px; font-size: 0.76rem; color: var(--paper-2); font-style: italic; }

.stamp {
  margin-left: auto; flex: none;
  border: 3px solid var(--paid); color: var(--paid);
  padding: 2px 12px; border-radius: 6px;
  font-weight: 800; font-size: 1.4rem; letter-spacing: 0.08em;
  transform: rotate(-14deg); opacity: 0.85;
  font-variation-settings: "wdth" 85;
}
@media (max-width: 480px) {
  .slip { padding: 18px 16px calc(18px + var(--edge)); font-size: 0.8rem; }
  .stamp { font-size: 1.1rem; padding: 1px 8px; }
}
.slip-meta, .slip-sub { white-space: nowrap; }
.slip-caption { margin-top: 18px; text-align: center; font-size: 0.85rem; color: var(--hero-text-2); }

/* ---------- Sections ---------- */

section { padding: 72px 0; }
@media (min-width: 900px) { section { padding: 104px 0; } }

.section-head { max-width: 40rem; }
.section-head h2 { font-size: clamp(2.2rem, 6vw, 3.4rem); font-variation-settings: "wdth" 82; font-weight: 800; }
.section-head p { margin-top: 14px; color: var(--text-2); font-size: 1.2rem; max-width: var(--measure); }

/* Features: three ledgers side by side */
.ledgers { margin-top: 48px; display: grid; gap: 40px; }
@media (min-width: 860px) { .ledgers { grid-template-columns: repeat(3, 1fr); gap: 40px; } }
.ledger h3 { font-size: 1.5rem; font-variation-settings: "wdth" 90; padding-bottom: 12px; border-bottom: 3px solid var(--brand); }
.ledger ul { list-style: none; margin: 0; padding: 0; }
.ledger li { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.ledger li b { display: block; font-weight: 650; font-size: 1.08rem; }
.ledger li span { display: block; color: var(--text-3); font-size: 1rem; margin-top: 2px; }

/* Screens */
.screens { background: var(--muted); }
.shots {
  margin-top: 40px;
  display: grid; grid-auto-flow: column; grid-auto-columns: min(62vw, 250px);
  gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 4px var(--gutter) 20px; margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1);
  overscroll-behavior-x: contain;
}
@media (min-width: 1100px) { .shots { grid-auto-columns: 1fr; overflow: visible; } }
.shots figure { margin: 0; scroll-snap-align: start; }
.shots img { width: 100%; height: auto; border-radius: 28px; }
.shots figcaption { margin-top: 12px; font-size: 1rem; color: var(--text-2); }
.shots figcaption b { color: var(--text); display: block; font-weight: 650; }

/* Privacy */
.privacy .wrap { display: grid; gap: 40px; }
@media (min-width: 900px) { .privacy .wrap { grid-template-columns: 0.9fr 1.1fr; gap: 72px; align-items: start; } }
.facts { list-style: none; margin: 0; padding: 0; }
.facts li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.facts li:first-child { border-top: 1px solid var(--rule); }
.facts svg { width: 24px; height: 24px; color: var(--brand); margin-top: 3px; }
.facts b { display: block; font-weight: 650; }
.facts span { color: var(--text-3); font-size: 1rem; }

/* Language + closing band */
.closing { background: var(--surface); border-top: 1px solid var(--rule); }
.closing .wrap { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .closing .wrap { grid-template-columns: 1fr auto; } }
.langs { font-size: clamp(2.2rem, 7vw, 3.6rem); font-weight: 800; line-height: 1.05; font-variation-settings: "wdth" 82; }
.langs .deva { font-family: var(--font-deva); font-weight: 700; color: var(--brand); }
.closing p { margin-top: 12px; color: var(--text-2); max-width: 46ch; }
.closing .play { border-color: transparent; }

/* ---------- Footer ---------- */

.site-foot { padding: 40px 0 48px; font-size: 1rem; color: var(--text-3); border-top: 1px solid var(--rule); }
.site-foot .wrap { display: grid; gap: 20px; }
@media (min-width: 760px) { .site-foot .wrap { grid-template-columns: 1fr auto; align-items: center; } }
.foot-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot-links a { color: var(--text-2); }
.foot-links a:hover { color: var(--link); }

/* ---------- Inner pages (delete account, 404) ---------- */

.page { padding: 56px 0 88px; }
.page .wrap { max-width: 760px; }
.page h1 { font-size: clamp(2.4rem, 8vw, 3.6rem); font-weight: 800; font-variation-settings: "wdth" 80; line-height: 1; }
.page .lede { margin-top: 16px; font-size: 1.2rem; color: var(--text-2); max-width: var(--measure); }
.page h2 { margin-top: 48px; font-size: 1.6rem; font-variation-settings: "wdth" 90; }
.page p, .page li { max-width: var(--measure); }
.page p + p { margin-top: 12px; }
.page h2 + p, .page h2 + ol, .page h2 + ul { margin-top: 14px; }
.page ul, .page ol { padding-left: 1.3em; margin: 12px 0 0; }
.page li { margin: 8px 0; }
.page li::marker { color: var(--brand); font-weight: 700; }
.page kbd {
  font-family: inherit; font-weight: 650; font-size: 0.95em;
  background: var(--brand-tint); color: var(--text);
  padding: 1px 8px; border-radius: 6px; white-space: nowrap;
}
.note { margin-top: 20px; padding: 16px 18px; background: var(--muted); border-left: 4px solid var(--brand); border-radius: 0 8px 8px 0; }
.big-code { font-size: clamp(5rem, 22vw, 9rem); font-weight: 800; font-variation-settings: "wdth" 75; line-height: 0.9; color: var(--brand); }
.button {
  display: inline-block; margin-top: 28px; background: var(--brand); color: #fff;
  text-decoration: none; font-weight: 650; padding: 12px 22px; border-radius: 10px;
}
:root[data-theme="dark"] .button { background: #2f74e8; }
.button:hover { text-decoration: underline; }

/* ---------- Theme switch ---------- */

.head-tools { display: flex; align-items: center; gap: 18px; }
.theme-toggle {
  display: inline-flex; align-items: center; gap: 10px;
  background: none; border: 0; padding: 6px 2px; margin: 0;
  color: inherit; font: inherit; font-size: 1rem; font-weight: 600; cursor: pointer;
}
.theme-toggle[hidden] { display: none; }
.theme-toggle .track {
  position: relative; width: 44px; height: 26px; border-radius: 13px; flex: none;
  background: rgb(255 255 255 / 0.22); box-shadow: inset 0 0 0 1.5px rgb(255 255 255 / 0.7);
  transition: background-color 160ms ease;
}
.theme-toggle .knob {
  position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: #fff; transition: transform 160ms ease;
}
.theme-toggle[aria-checked="true"] .track { background: var(--bolt); box-shadow: none; }
.theme-toggle[aria-checked="true"] .knob { transform: translateX(18px); background: #0b1b3a; }
.site-head.plain .theme-toggle .track { background: var(--muted); box-shadow: inset 0 0 0 1.5px var(--text-3); }
.site-head.plain .theme-toggle .knob { background: var(--text-3); }
.site-head.plain .theme-toggle[aria-checked="true"] .track { background: var(--brand); box-shadow: none; }
.site-head.plain .theme-toggle[aria-checked="true"] .knob { background: #fff; }
@media (max-width: 420px) { .theme-toggle .label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; } }
@media (prefers-reduced-motion: reduce) { .theme-toggle .track, .theme-toggle .knob { transition: none; } }

/* ---------- FAQ ---------- */

.faq-list { margin-top: 40px; max-width: 52rem; border-top: 1px solid var(--rule); }
.faq-list details { border-bottom: 1px solid var(--rule); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 0; font-weight: 650; font-size: 1.15rem; line-height: 1.3;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; flex: none; width: 12px; height: 12px; margin-right: 4px;
  border-right: 2.5px solid var(--brand); border-bottom: 2.5px solid var(--brand);
  transform: translateY(-3px) rotate(45deg); transition: transform 160ms ease;
}
.faq-list details[open] summary::after { transform: translateY(3px) rotate(-135deg); }
.faq-list summary:hover { color: var(--link); }
.faq-list .answer { padding: 0 0 22px; color: var(--text-2); max-width: var(--measure); }
@media (prefers-reduced-motion: reduce) { .faq-list summary::after { transition: none; } }

.faq { background: var(--muted); }