:root {
  color-scheme: dark;
  --ink: #f7f9fb;
  --muted: #a9b7c7;
  --bg: #0b1117;
  --surface: #121c26;
  --surface-raised: #192633;
  --border: #2a3a49;
  --teal: #20c4b2;
  --teal-soft: #8eeadd;
  --blue: #6ea8ff;
  --orange: #ffb340;
  --danger: #ff5148;
  --focus: #ffe083;
  --radius: 1.25rem;
  --max: 70rem;
  --shadow: 0 1.5rem 5rem rgb(0 0 0 / 0.28);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% -10%, rgb(32 196 178 / 0.16), transparent 32rem),
    radial-gradient(circle at 10% 20%, rgb(110 168 255 / 0.11), transparent 28rem),
    var(--bg);
  font-size: 1.05rem;
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; }

img { max-inline-size: 100%; height: auto; }

bdi { unicode-bidi: isolate; }

.wrap {
  inline-size: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.5rem;
  inset-inline-start: 0.5rem;
  z-index: 99;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  color: #07120f;
  background: var(--focus);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  border-block-end: 1px solid rgb(255 255 255 / 0.08);
  background: rgb(11 17 23 / 0.88);
  backdrop-filter: blur(1rem);
}

.nav {
  min-block-size: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--ink);
  font-weight: 850;
  font-size: 1.14rem;
  text-decoration: none;
}

.brand img {
  inline-size: 2.25rem;
  block-size: 2.25rem;
  border-radius: 0.62rem;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.14);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

.nav-links > a:not(.button) {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 650;
}

.nav-links > a:hover { color: var(--ink); }

.button {
  display: inline-flex;
  min-block-size: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #04120f;
  background: var(--teal);
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 0.75rem 2rem rgb(32 196 178 / 0.15);
}

.button:hover { background: var(--teal-soft); }

.language-menu { position: relative; }

.language-menu > summary {
  cursor: pointer;
  min-block-size: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 700;
  list-style: none;
}

.language-menu > summary::-webkit-details-marker { display: none; }

.language-menu ul {
  position: absolute;
  inset-block-start: calc(100% + 0.5rem);
  inset-inline-end: 0;
  z-index: 30;
  inline-size: min(22rem, calc(100vw - 2rem));
  max-block-size: 70vh;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.2rem;
  margin: 0;
  padding: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-raised);
  box-shadow: var(--shadow);
  list-style: none;
}

.language-menu a {
  display: block;
  padding: 0.55rem 0.65rem;
  border-radius: 0.55rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.language-menu a:hover,
.language-menu a[aria-current="page"] { color: var(--ink); background: rgb(255 255 255 / 0.07); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(10rem, 0.35fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 7vw, 6rem);
}

.eyebrow {
  display: inline-flex;
  margin-block-end: 1.2rem;
  color: var(--teal-soft);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1, h2, h3 { margin-block: 0; line-height: 1.08; text-wrap: balance; overflow-wrap: anywhere; }

h1 {
  max-inline-size: 14ch;
  font-size: clamp(3.15rem, 8vw, 6.7rem);
  letter-spacing: -0.055em;
  font-weight: 900;
}

.legal-hero h1 { max-inline-size: 18ch; font-size: clamp(2.65rem, 7vw, 5.4rem); }

/* Latin display tracking and tight leading compress complex-script marks.
   Keep normal word/cluster spacing and room above/below each heading line. */
:is(:lang(ar), :lang(bn), :lang(gu), :lang(he), :lang(hi), :lang(kn), :lang(ml), :lang(mr), :lang(or), :lang(pa), :lang(ta), :lang(te), :lang(th), :lang(ur)) :is(h1, h2, h3) {
  letter-spacing: normal;
  line-height: 1.35;
  font-weight: 700;
}

:is(:lang(ar), :lang(bn), :lang(gu), :lang(he), :lang(hi), :lang(kn), :lang(ml), :lang(mr), :lang(or), :lang(pa), :lang(ta), :lang(te), :lang(th), :lang(ur)) .eyebrow {
  letter-spacing: normal;
  text-transform: none;
}

.eyebrow { column-gap: 0.35em; flex-wrap: wrap; }

.lead {
  max-inline-size: 43rem;
  margin-block: 1.5rem 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-block-start: 2rem;
}

.price-note {
  max-inline-size: 28rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.app-icon-hero {
  position: relative;
  inline-size: min(100%, 12rem);
  margin-inline: auto;
}

.app-icon-hero::before {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 30%;
  background: var(--teal);
  filter: blur(4rem);
  opacity: 0.26;
}

.app-icon-hero img {
  position: relative;
  display: block;
  border-radius: 23%;
  box-shadow: 0 2rem 6rem rgb(0 0 0 / 0.4);
}

.section { padding-block: clamp(3.5rem, 8vw, 7rem); }

.section.alt {
  border-block: 1px solid rgb(255 255 255 / 0.06);
  background: rgb(255 255 255 / 0.025);
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.035em;
}

.section-intro {
  max-inline-size: 46rem;
  margin-block: 1rem 2rem;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  min-inline-size: 0;
  padding: clamp(1.4rem, 4vw, 2.1rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgb(25 38 51 / 0.94), rgb(18 28 38 / 0.94));
  box-shadow: 0 1rem 3rem rgb(0 0 0 / 0.12);
}

.card strong {
  display: block;
  margin-block-end: 0.55rem;
  color: var(--teal-soft);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card p { margin: 0; color: var(--muted); overflow-wrap: anywhere; }

.legal-shell { max-inline-size: 54rem; padding-block: clamp(3rem, 8vw, 7rem); }

.legal-shell .lead { margin-block-end: 2.5rem; }

.legal-section {
  padding-block: 1.8rem;
  border-block-start: 1px solid var(--border);
}

.legal-section h2,
.section-number {
  display: block;
  margin-block-end: 0.7rem;
  color: var(--ink);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 800;
}

.legal-section p,
.legal-section li { color: var(--muted); overflow-wrap: anywhere; }

/* Inline legal links use accent ink; filled contact buttons keep .button's
   dark label. Applying accent ink to their teal surface fails text contrast. */
.legal-section a:not(.button) { color: var(--teal-soft); text-underline-offset: 0.2rem; }

.notice {
  margin-block: 1.4rem 2.2rem;
  padding: 1.1rem 1.2rem;
  border-inline-start: 0.25rem solid var(--orange);
  border-radius: 0.65rem;
  background: rgb(255 179 64 / 0.09);
  color: #ffe0aa;
}

.meta-line { margin-block-start: 1rem; color: var(--muted); font-size: 0.88rem; }

.site-footer {
  padding-block: 3rem;
  border-block-start: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 0.7rem 1.2rem; }

.footer-links a { text-underline-offset: 0.18rem; }

@media (max-width: 52rem) {
  .nav { align-items: flex-start; padding-block: 0.8rem; }
  .nav-links > a:not(.button) { display: none; }
  .nav-links { gap: 0.5rem; }
  .nav-links .button { display: none; }
  .hero { min-block-size: auto; grid-template-columns: 1fr; }
  /* Keep visual and keyboard order together: value and download come first.
     This is a brand mark, not evidence of the app's current interface. */
  .app-icon-hero { inline-size: 6rem; margin-inline: 0; }
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 31rem) {
  body { font-size: 1rem; }
  .wrap { inline-size: min(calc(100% - 1.2rem), var(--max)); }
  .brand span { display: none; }
  .language-menu ul { grid-template-columns: 1fr; }
  .hero { padding-block: 2.5rem 4rem; }
  h1 { font-size: clamp(2.55rem, 15vw, 4rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { inline-size: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  .site-header, .site-footer, .hero-actions, .language-menu { display: none; }
  body { color: #111; background: #fff; }
  .legal-section p, .legal-section li, .lead { color: #333; }
}