/* Allerto landing. Palette from App/Allerto/Theme.swift and docs/design/README.md.
   Never green: no detection is neutral, not reassuring. */

:root {
  --page: #F7F8FA;
  --card: #FFFFFF;
  --card-border: #E5E7EB;
  --text: #111827;
  --text-2: #4B5563;
  --text-3: #6B7280;
  --accent: #1F4E79;
  --on-accent: #FFFFFF;
  --accent-soft: #E8EEF5;
  --accent-border: #B9CCE2;
  --alert: #C62828;
  --alert-bg: #FDECEA;
  --alert-border: #EF9A9A;
  --caution: #B45309;
  --caution-bg: #FFF4E5;
  --caution-border: #F6C98B;
  --neutral-bg: #F3F4F6;
  --strip: #FDE68A;
  --strip-text: #422006;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(17, 24, 39, .04), 0 8px 24px rgba(17, 24, 39, .06);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #000000;
    --card: #1C1C1E;
    --card-border: #2C2C30;
    --text: #F3F4F6;
    --text-2: #C9CFD8;
    --text-3: #9CA3AF;
    --accent: #7EB2E3;
    --on-accent: #0B1B2B;
    --accent-soft: #13243A;
    --accent-border: #2D4C70;
    --alert: #FF8A80;
    --alert-bg: #3B1715;
    --alert-border: #8C2F2A;
    --caution: #FBBF6A;
    --caution-bg: #3A2710;
    --caution-border: #8A5A1C;
    --neutral-bg: #22262D;
    --strip: #503812;
    --strip-text: #FDE68A;
    --shadow: none;
  }
}

*, *::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(--page);
  color: var(--text);
  font: 17px/1.55 var(--font);
}

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

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding-inline: 20px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--card); padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { padding-block: 18px; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.2rem; letter-spacing: -.01em; }
.brand img { width: 32px; height: 32px; flex: none; }
.header-link { font-weight: 600; text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 12px 22px;
  border-radius: var(--radius); border: 1.5px solid var(--accent);
  background: var(--accent); color: var(--on-accent);
  font: 600 1rem/1.2 var(--font); text-decoration: none; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--accent); }

/* Hero */
.hero { padding-block: 32px 64px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-weight: 600; font-size: .9rem; letter-spacing: .06em; text-transform: uppercase; }
h1 { margin: 0 0 18px; font-size: clamp(2rem, 4.6vw, 3.1rem); line-height: 1.1; letter-spacing: -.025em; }
.lead { margin: 0 0 28px; font-size: 1.15rem; color: var(--text-2); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin: 16px 0 0; color: var(--text-3); font-size: .95rem; }

/* Phone mock: the result screen from mockup 01 */
.phone {
  justify-self: center; width: 100%; max-width: 330px;
  padding: 14px; border-radius: 44px;
  background: var(--card); border: 1px solid var(--card-border); box-shadow: var(--shadow);
}
.screen { border-radius: 32px; background: var(--page); padding: 18px 14px 20px; }
.screen-title { margin: 0 0 14px; text-align: center; font-weight: 700; font-size: 1rem; }
.result {
  position: relative; overflow: hidden;
  padding: 14px 14px 14px 20px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--card-border);
}
.result::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: var(--alert); }
.result-label { margin: 0; color: var(--alert); font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.result-head { margin: 2px 0 10px; color: var(--alert); font-size: 1.6rem; font-weight: 800; line-height: 1.1; letter-spacing: -.02em; }
.pill { margin: 8px 0 0; padding: 8px 10px; border-radius: 10px; font-size: .82rem; line-height: 1.35; background: var(--caution-bg); border: 1px solid var(--caution-border); }
.pill.dashed { border-style: dashed; }
.pill strong { color: var(--text); }
.checked-list { margin: 12px 2px 10px; color: var(--text-2); font-size: .8rem; }
.mini-card { margin: 0 0 8px; padding: 10px 12px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--card-border); font-size: .82rem; color: var(--text-2); }
.mini-card.why { color: var(--text); font-weight: 600; }

/* Sections */
section { padding-block: 56px; }
.section-alt { background: var(--card); border-block: 1px solid var(--card-border); }
h2 { margin: 0 0 12px; font-size: clamp(1.55rem, 3vw, 2.1rem); line-height: 1.2; letter-spacing: -.02em; }
.section-intro { margin: 0 0 32px; color: var(--text-2); max-width: 40em; }
h3 { margin: 0 0 6px; font-size: 1.1rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-2 + .hero-note { margin-top: 20px; }
.card { padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--card-border); }
.section-alt .card { background: var(--page); }
.card p { margin: 0; color: var(--text-2); }
.step-no { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; }

/* Result states */
.state { padding: 18px 20px; border-radius: var(--radius); border: 1px solid; }
.state p { margin: 0; }
.state .state-title { margin-bottom: 6px; font-weight: 700; }
.state-alert { background: var(--alert-bg); border-color: var(--alert-border); }
.state-alert .state-title { color: var(--alert); }
.state-caution { background: var(--caution-bg); border-color: var(--caution-border); }
.state-caution .state-title { color: var(--caution); }
.state-checked { background: var(--accent-soft); border-color: var(--accent-border); }
.state-checked .state-title { color: var(--accent); }
.state .state-desc { color: var(--text-2); font-size: .95rem; }
.never { margin: 28px 0 0; padding: 18px 20px; border-radius: var(--radius); background: var(--neutral-bg); color: var(--text-2); }
.never strong { color: var(--text); }

/* Privacy list */
.facts { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; }
.facts li { padding-left: 20px; position: relative; color: var(--text-2); border-left: 3px solid var(--accent-border); }
.facts li strong { color: var(--text); }

/* Signup */
.signup-box { max-width: 640px; padding: 32px; border-radius: 20px; background: var(--card); border: 1px solid var(--card-border); box-shadow: var(--shadow); }
.signup-box h2 { margin-bottom: 8px; }
.signup-box > p { margin: 0 0 24px; color: var(--text-2); }
.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 6px; font-weight: 600; }
input[type="email"] {
  width: 100%; min-height: 50px; padding: 12px 14px;
  border: 1.5px solid var(--card-border); border-radius: var(--radius);
  background: var(--page); color: var(--text); font: 1rem var(--font);
}
input[type="email"]:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.check { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; cursor: pointer; }
.check input { flex: none; width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--accent); }
.check span { color: var(--text-2); font-size: .95rem; }
.check span strong { color: var(--text); }
.signup-box .btn { width: 100%; margin-top: 8px; }
.fine { margin: 16px 0 0; color: var(--text-3); font-size: .85rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* FAQ */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--card-border); padding-block: 4px; }
.faq summary { cursor: pointer; padding-block: 14px; font-weight: 600; list-style-position: outside; }
.faq details p { margin: 0 0 16px; color: var(--text-2); }

/* Footer */
.site-footer { padding-block: 40px; color: var(--text-3); font-size: .85rem; }
.site-footer p { margin: 0 0 6px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 14px; }

/* Text pages (privacy, confirmation) */
.doc { max-width: 760px; padding-block: 24px 64px; }
.doc h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
.doc h2 { margin-top: 36px; font-size: 1.35rem; }
.doc p, .doc li { color: var(--text-2); }
.doc strong { color: var(--text); }
.draft-strip { margin: 0 0 24px; padding: 12px 16px; border-radius: var(--radius); background: var(--strip); color: var(--strip-text); font-weight: 600; font-size: .95rem; }
.todo { padding: 0 4px; border-radius: 4px; background: var(--caution-bg); color: var(--caution); }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  section { padding-block: 44px; }
  .signup-box { padding: 22px 18px; border-radius: 16px; }
  .hero-actions .btn { width: 100%; }
}