/* BP Capture by aisomorphic. Own identity: Plus Jakarta Sans (self-hosted, SIL OFL),
   a slate-and-teal palette from the app icon, bordered tiles and a dark footer.
   No scripts, cookies or third-party requests. */

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

:root {
  /* Brand: the icon's sky-blue-to-teal gradient. Deep stops keep white text at 4.7:1 or better. */
  --sky: #55b8ee;
  --teal: #7cd2cd;
  --sky-deep: #1f74b8;
  --teal-deep: #17807a;
  --brand-gradient: linear-gradient(135deg, var(--sky) 0%, var(--teal) 100%);
  --brand-gradient-deep: linear-gradient(135deg, var(--sky-deep) 0%, var(--teal-deep) 100%);

  --ink: #12303d;
  --ink-soft: #4a6470;
  --surface: #ffffff;
  --surface-tint: #f0f7fa;
  --line: #d9e6ec;
  --link: #136a9e;
  --chip-bg: #e3f2f8;
  --chip-ink: #0f5d82;
  --shadow: 0 1px 2px rgba(18, 48, 61, 0.05), 0 10px 28px rgba(18, 48, 61, 0.07);

  --footer-bg: #0f2a35;
  --footer-ink: #c3d6de;
  --footer-strong: #ffffff;
  --footer-line: rgba(255, 255, 255, 0.14);

  --radius-tile: 20px;
  --radius-card: 16px;
  --max: 1040px;
  --font: "Plus Jakarta Sans", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7f0f4;
    --ink-soft: #a6bdc7;
    --surface: #0b1a21;
    --surface-tint: #0f222b;
    --line: rgba(255, 255, 255, 0.12);
    --link: #7fcaf0;
    --chip-bg: rgba(85, 184, 238, 0.16);
    --chip-ink: #a9dcf5;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    --footer-bg: #061116;
  }
}

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

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

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 8px; }

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--surface); color: var(--ink); padding: 8px 14px; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 8px; }

/* Header: solid, with the brand gradient as an accent line. */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: var(--brand-gradient);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; flex-shrink: 0; white-space: nowrap; }
.brand img { width: 36px; height: 36px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 18px; letter-spacing: -0.01em; }
.brand-by { font-size: 12px; font-weight: 500; color: var(--ink-soft); letter-spacing: 0.02em; }
.site-nav { display: flex; gap: 6px; font-size: 15px; font-weight: 600; white-space: nowrap; }
.site-nav a { color: var(--ink-soft); text-decoration: none; padding: 8px 14px; border-radius: 999px; }
.site-nav a:hover { color: var(--ink); background: var(--surface-tint); }
.site-nav a[aria-current="page"] { color: var(--chip-ink); background: var(--chip-bg); }

/* Hero: soft washes of the icon colours behind centred content. */
.hero {
  text-align: center; padding: 76px 0 68px;
  background:
    radial-gradient(55% 70% at 50% 0%, rgba(85, 184, 238, 0.16), transparent 70%),
    radial-gradient(35% 55% at 88% 35%, rgba(124, 210, 205, 0.18), transparent 70%),
    radial-gradient(30% 45% at 10% 60%, rgba(85, 184, 238, 0.10), transparent 70%);
}
.hero .app-icon { width: 128px; height: 128px; margin: 0 auto 24px; filter: drop-shadow(0 14px 30px rgba(23, 128, 122, 0.25)); }
.eyebrow {
  display: inline-block; margin: 0 0 18px; padding: 6px 14px; border-radius: 999px;
  background: var(--chip-bg); color: var(--chip-ink); font-size: 14px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.hero h1 { font-size: clamp(38px, 6.4vw, 64px); line-height: 1.08; letter-spacing: -0.015em; font-weight: 800; margin: 0 0 20px; }
.gradient-text {
  background: var(--brand-gradient-deep);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero .lede { font-size: clamp(18px, 2.4vw, 21px); line-height: 1.55; color: var(--ink-soft); max-width: 640px; margin: 0 auto; }
.hero .requirement {
  display: inline-block; margin: 26px auto 0; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 14px; font-weight: 600; color: var(--ink-soft); background: var(--surface);
}

/* Sections and tiles */
.section { padding: 72px 0; }
.section.alt { background: var(--surface-tint); }
.section-title { font-size: clamp(30px, 4.4vw, 42px); line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 12px; text-align: center; }
.section-intro { text-align: center; color: var(--ink-soft); font-size: 19px; line-height: 1.55; max-width: 640px; margin: 0 auto 44px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.steps { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.section-title + .grid { margin-top: 36px; }
.tile {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-tile);
  padding: 28px 26px; box-shadow: var(--shadow);
}
.tile h3 { font-size: 20px; line-height: 1.3; margin: 16px 0 8px; font-weight: 700; letter-spacing: -0.01em; }
.tile p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.step { font-size: 13px; font-weight: 800; color: var(--link); letter-spacing: 0.08em; margin: 14px 0 -8px; }
.icon-badge {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand-gradient-deep); color: #fff;
}
.icon-badge svg { width: 24px; height: 24px; }

.feature-band {
  border-radius: var(--radius-tile); padding: 48px 44px; color: #fff;
  background: var(--brand-gradient-deep);
}
.feature-band h2 { font-size: clamp(28px, 4vw, 38px); line-height: 1.15; margin: 0 0 14px; font-weight: 800; letter-spacing: -0.02em; }
.feature-band p { font-size: 18px; margin: 0 0 10px; max-width: 640px; }
.feature-band ul { margin: 18px 0 18px; padding-left: 20px; font-size: 16px; }
.feature-band li { margin-bottom: 6px; }
.feature-band a { color: #fff; font-weight: 700; }

.notice {
  border: 1px solid var(--line); border-left: 4px solid var(--teal-deep); border-radius: var(--radius-card);
  padding: 22px 24px; display: flex; gap: 14px; align-items: flex-start;
  background: var(--surface);
}
.notice svg { flex: 0 0 24px; width: 24px; height: 24px; color: var(--link); margin-top: 3px; }
.notice p { margin: 0; }

/* Long-form pages (privacy, support) */
.page-head {
  text-align: center; padding: 64px 24px 40px; max-width: none;
  background: radial-gradient(60% 90% at 50% 0%, rgba(85, 184, 238, 0.14), transparent 70%);
}
.page-head h1 { font-size: clamp(34px, 5.4vw, 52px); line-height: 1.1; margin: 0 0 12px; font-weight: 800; letter-spacing: -0.025em; }
.page-head p { color: var(--ink-soft); font-size: 19px; margin: 0 auto; max-width: 620px; }
.prose { max-width: 720px; margin: 0 auto; padding-bottom: 80px; }
.prose h2 { font-size: 26px; line-height: 1.2; margin: 44px 0 12px; font-weight: 800; letter-spacing: -0.015em; }
.prose h3 { font-size: 20px; margin: 28px 0 8px; font-weight: 700; }
.prose p, .prose li { color: var(--ink); }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose .updated { color: var(--ink-soft); font-size: 14px; font-weight: 600; }
.summary-card { background: var(--surface-tint); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 22px 26px; margin: 8px 0 12px; }
.summary-card ul { margin: 0; }

.contact-card {
  text-align: center; border-radius: var(--radius-tile); padding: 44px 28px; margin: 0 0 48px;
  background: var(--brand-gradient-deep); color: #fff;
}
.contact-card h2 { margin: 0 0 8px; font-size: 30px; color: #fff; }
.contact-card p { margin: 0 0 22px; font-size: 18px; color: #fff; }
.contact-card .button {
  display: inline-block; background: #fff; color: #0b5f8f; font-weight: 700; text-decoration: none;
  padding: 12px 26px; border-radius: 999px; font-size: 17px;
}
.contact-card .button:hover { box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18); }
.contact-card .address { display: block; margin-top: 14px; font-size: 15px; }

details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 700; font-size: 18px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; flex: 0 0 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--chip-bg); color: var(--chip-ink); font-size: 18px; line-height: 1; font-weight: 700;
}
details[open] summary::after { content: "−"; }
details > div { padding-top: 10px; color: var(--ink-soft); }
details > div p { margin: 0 0 10px; }
details > div ol, details > div ul { margin: 0 0 10px; padding-left: 22px; }

/* Footer: dark band with brand, links and the legal lines. */
.site-footer { background: var(--footer-bg); color: var(--footer-ink); font-size: 14px; line-height: 1.6; padding: 44px 0 36px; }
.site-footer a { color: var(--footer-strong); }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--footer-line); }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--footer-strong); text-decoration: none; }
.footer-brand img { width: 32px; height: 32px; }
.footer-brand .brand-name { font-size: 17px; }
.footer-brand .brand-by { color: var(--footer-ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; font-weight: 600; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-legal { padding-top: 22px; }
.footer-legal p { margin: 0 0 8px; max-width: 820px; }
.site-footer .copyright { margin-top: 14px; color: var(--footer-strong); }

@media (max-width: 600px) {
  .site-header .wrap { height: 64px; padding: 0 16px; }
  .brand { gap: 10px; }
  .brand img { width: 32px; height: 32px; }
  .brand-name { font-size: 16px; }
  .brand-by { font-size: 11px; }
  .site-nav { gap: 0; font-size: 13px; }
  .site-nav a { padding: 6px 7px; }
  .wrap { padding: 0 18px; }
  .hero { padding: 52px 0 48px; }
  .section { padding: 52px 0; }
  .feature-band { padding: 36px 24px; }
  .tile { padding: 24px 22px; }
}

@media (prefers-color-scheme: dark) {
  .gradient-text { background-image: var(--brand-gradient); }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}