/* BChat website. Tokens mirror client/context/ThemeContext.tsx so the site
   and the app look like one product. */
:root {
  --bg: #FFF8F1;
  --card: #FFFDFA;
  --border: #F2E2D2;
  --text: #2E2C3F;
  --subtext: #6E6878;
  --muted: #A39B9A;
  --input: #FCEFE3;
  --brand: #FE7A45;
  --brand-ink: #D9612E;      /* orange that passes contrast on cream */
  --brand-soft: #FFE7D6;
  --primary: #5B8FE0;
  --primary-ink: #3A6CC0;
  --accent: #748ED0;
  --logo-blue: #177BBD;
  --sent-a: #FFDDBD;
  --sent-b: #FFC19B;
  --recv-a: #DCE8FA;
  --recv-b: #BCD3F4;
  --bubble-text: #2E2C3F;
  --backdrop: linear-gradient(180deg, #FFDAC7 0%, #FFF8F1 45%, #E0E9F8 100%);
  --shadow: 0 18px 50px rgba(46, 44, 63, 0.12);
  --radius: 22px;
  --font: "Quicksand", ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17161F;
    --card: #211F2B;
    --border: #332F3E;
    --text: #F8F0E9;
    --subtext: #BFB5B0;
    --muted: #817987;
    --input: #2A2734;
    --brand: #FF8A55;
    --brand-ink: #FF9A6B;
    --brand-soft: #3A2A26;
    --primary: #7AA6EC;
    --primary-ink: #9CBDF2;
    --accent: #8FA3E0;
    --logo-blue: #4FA3DD;
    --sent-a: #B8582A;
    --sent-b: #9A4520;
    --recv-a: #3F68B4;
    --recv-b: #335696;
    --bubble-text: #FFF8F1;
    --backdrop: linear-gradient(180deg, #2B1F24 0%, #17161F 45%, #1A2233 100%);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary-ink); }
a:hover { color: var(--brand-ink); }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 8px; }

.container { width: min(1120px, 100% - 40px); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 14px; border-radius: 10px; z-index: 100; }
.skip-link:focus { left: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 22px; }
.brand img { width: 38px; height: auto; }
.nav-links { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--subtext); text-decoration: none; font-weight: 600; }
.nav-links a:hover { color: var(--brand-ink); }
@media (max-width: 760px) { .nav-links { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 48px; padding: 12px 24px;
  border-radius: 999px; border: 0;
  font: 700 16px var(--font); text-decoration: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #9FBEEB, #5B8FE0);
  box-shadow: 0 8px 22px rgba(91, 143, 224, .35);
}
.btn-primary:hover { color: #fff; }
.btn-ghost { color: var(--text); background: var(--card); border: 1.5px solid var(--border); }
.btn-small { min-height: 40px; padding: 8px 18px; font-size: 15px; }
.store-badge { display: inline-flex; flex-direction: column; line-height: 1.15; }
.store-badge small { font-size: 12px; font-weight: 600; opacity: .85; }

/* ---------- Hero ---------- */
.hero { background: var(--backdrop); overflow: hidden; padding: 0; }
.hero-inner {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
  padding: 72px 0 96px;
}
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; padding: 48px 0 72px; text-align: center; } }
.eyebrow {
  display: inline-block; font-weight: 700; font-size: 14px; letter-spacing: .02em;
  color: var(--brand-ink); background: var(--card); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(40px, 6vw, 66px); line-height: 1.04; margin: 0 0 18px; font-weight: 700; letter-spacing: -.01em; }
.hero h1 .accent { color: var(--brand); }
.hero p.lead { font-size: 20px; color: var(--subtext); margin: 0 0 30px; max-width: 34ch; }
@media (max-width: 900px) { .hero p.lead { margin-inline: auto; } }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 900px) { .hero-ctas { justify-content: center; } }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--muted); }

/* ---------- Phone mockup ---------- */
.phone-stage { position: relative; display: flex; justify-content: center; }
.phone {
  position: relative; width: 300px; aspect-ratio: 9 / 19.5;
  border-radius: 46px; padding: 12px;
  background: #121118;
  box-shadow: var(--shadow), inset 0 0 0 2px #2c2a36;
}
.phone::before {
  content: ""; position: absolute; top: 20px; left: 50%; translate: -50% 0;
  width: 92px; height: 26px; border-radius: 20px; background: #000; z-index: 2;
}
.screen { height: 100%; border-radius: 36px; overflow: hidden; background: var(--bg); display: flex; flex-direction: column; }
.screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* App UI rendered in HTML (matches the chat screen) */
.app-header {
  display: flex; align-items: center; gap: 10px;
  padding: 50px 16px 12px; background: var(--card); border-bottom: 1px solid var(--border);
}
.app-header .back { color: var(--brand); font-size: 20px; }
.app-header .title { font-weight: 700; font-size: 14px; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-header .dots { color: var(--brand); font-weight: 700; letter-spacing: 2px; }
.messages { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.day { align-self: center; font-size: 11px; color: var(--muted); margin: 2px 0 4px; }
.msg { display: flex; gap: 7px; align-items: flex-end; max-width: 86%; }
.msg.me { align-self: flex-end; flex-direction: row-reverse; }
.avatar { width: 26px; height: 26px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff; }
.who { font-size: 10px; color: var(--subtext); margin: 0 0 2px 4px; }
.bubble {
  padding: 8px 12px; border-radius: 16px; font-size: 13px; line-height: 1.35;
  color: var(--bubble-text);
  background: linear-gradient(180deg, var(--recv-a), var(--recv-b));
  border-bottom-left-radius: 5px;
}
.me .bubble { background: linear-gradient(180deg, var(--sent-a), var(--sent-b)); border-bottom-left-radius: 16px; border-bottom-right-radius: 5px; }
.reaction { display: inline-block; font-size: 11px; margin-top: 3px; padding: 1px 7px; border-radius: 10px; background: var(--input); border: 1px solid var(--border); }
.typing { font-size: 11px; color: var(--muted); padding: 0 14px 6px; }
.composer { display: flex; gap: 8px; align-items: center; padding: 10px 12px 22px; background: var(--card); border-top: 1px solid var(--border); }
.composer .plus { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; color: var(--brand); background: var(--brand-soft); font-weight: 700; }
.composer .field { flex: 1; height: 32px; border-radius: 16px; background: var(--input); color: var(--muted); font-size: 12px; display: flex; align-items: center; padding: 0 12px; }
.composer .send { width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-size: 12px; }

/* Floating promo bubbles around the phone */
.float {
  position: absolute; padding: 10px 16px; border-radius: 20px; font-weight: 700; font-size: 15px;
  box-shadow: var(--shadow); color: var(--bubble-text); animation: bob 6s ease-in-out infinite;
  z-index: 3; white-space: nowrap;
}
.float.blue { background: linear-gradient(180deg, var(--recv-a), var(--recv-b)); }
.float.orange { background: linear-gradient(180deg, var(--sent-a), var(--sent-b)); }
.float-1 { top: 14%; left: -6%; border-bottom-left-radius: 6px; }
.float-2 { top: 46%; right: -8%; border-bottom-right-radius: 6px; animation-delay: -2s; }
.float-3 { bottom: 2%; left: -2%; border-bottom-left-radius: 6px; animation-delay: -4s; }
@keyframes bob { 50% { transform: translateY(-10px); } }
@media (max-width: 1100px) { .float-1, .float-3 { left: 2%; } .float-2 { right: 2%; } }
@media (max-width: 480px) { .float { display: none; } }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.12; margin: 0 0 12px; }
.section-head p { color: var(--subtext); margin: 0; font-size: 18px; }

/* Problem: told as a chat, like the promo art */
.convo { max-width: 680px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.convo .line {
  max-width: 78%; padding: 16px 22px; border-radius: 26px; font-size: clamp(17px, 2.2vw, 21px); font-weight: 600;
  color: var(--bubble-text); box-shadow: 0 6px 18px rgba(46, 44, 63, .08);
}
.convo .them { align-self: flex-start; background: linear-gradient(180deg, var(--recv-a), var(--recv-b)); border-bottom-left-radius: 8px; }
.convo .us { align-self: flex-end; background: linear-gradient(180deg, var(--sent-a), var(--sent-b)); border-bottom-right-radius: 8px; }

/* Features */
.features { background: var(--card); border-block: 1px solid var(--border); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { margin: 14px 0 6px; font-size: 20px; }
.card p { margin: 0; color: var(--subtext); font-size: 16px; }
.icon {
  width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
}
.icon.blue { background: color-mix(in srgb, var(--primary) 18%, transparent); color: var(--primary-ink); }
.icon svg { width: 24px; height: 24px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step { text-align: center; padding: 10px 18px; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; margin: 0 auto 16px;
  width: 54px; height: 54px; border-radius: 50%;
  font-weight: 700; font-size: 22px; color: #fff;
  background: linear-gradient(180deg, #F9B672, #FE7A45);
}
.step h3 { margin: 0 0 6px; font-size: 21px; }
.step p { margin: 0; color: var(--subtext); }

/* Screens gallery */
.screens { background: var(--backdrop); }
.gallery { display: flex; gap: 34px; justify-content: center; flex-wrap: wrap; }
.gallery figure { margin: 0; text-align: center; }
.gallery .phone { width: 250px; }
.gallery figcaption { margin-top: 16px; font-weight: 700; }
.gallery figcaption span { display: block; font-weight: 500; font-size: 15px; color: var(--subtext); }

/* Safety */
.safety-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .safety-inner { grid-template-columns: 1fr; } }
.checklist { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist .tick { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); font-weight: 700; font-size: 14px; margin-top: 2px; }
.safety h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.12; margin: 0 0 10px; }
.safety p.lead { color: var(--subtext); margin: 0; font-size: 18px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 18px; color: var(--subtext); }

/* CTA */
.cta { text-align: center; }
.cta .panel {
  background: linear-gradient(135deg, var(--sent-a), var(--recv-a));
  border-radius: 32px; padding: 64px 24px; color: var(--bubble-text);
}
.cta h2 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 12px; }
.cta p { margin: 0 0 28px; font-size: 18px; opacity: .85; }
.cta img { width: 96px; margin: 0 auto 18px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0 48px; font-size: 15px; color: var(--subtext); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--subtext); text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--brand-ink); }
.disclaimer { margin-top: 18px; font-size: 13px; color: var(--muted); max-width: 70ch; }

/* ---------- Legal pages ---------- */
.legal { padding: 56px 0 96px; }
.legal article { max-width: 760px; margin: 0 auto; }
.legal h1 { font-size: clamp(32px, 5vw, 46px); line-height: 1.1; color: var(--brand); margin: 0 0 18px; }
.legal h2 { font-size: 24px; margin: 40px 0 10px; }
.legal h3 { font-size: 19px; margin: 26px 0 8px; }
.legal p, .legal li { color: var(--subtext); }
.legal strong { color: var(--text); }
.legal code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; background: var(--input); padding: 1px 6px; border-radius: 6px; color: var(--text); }
.legal ul { padding-left: 1.2em; }
.legal li { margin: 4px 0; }
.legal li::marker { color: var(--brand); }
.legal .table-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--border); border-radius: 16px; }
.legal table { border-collapse: collapse; width: 100%; font-size: 15px; }
.legal th, .legal td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.legal th { background: var(--card); color: var(--text); }
.legal tr:last-child td { border-bottom: 0; }