/* Boardcall marketing site — shared design system.
   Palette matches the real app (CLAUDE.md §10): near-black dark bg, warm off-white light bg,
   single ocean-teal accent, verdict colors for fire/fun/marginal/skip. */

:root {
  --bg: #F7F5F0;
  --bg-elevated: #FFFFFF;
  --ink: #10161C;
  --ink-soft: #4B5560;
  --ink-faint: #7A8590;
  --border: rgba(16, 22, 28, 0.10);
  --teal: #1F6F78;
  --teal-dark: #164F56;
  --teal-tint: rgba(31, 111, 120, 0.08);
  --fire: #E8734A;
  --fun: #1F6F78;
  --marginal: #B8934A;
  --skip: #6B7280;
  --cream: #F7F5F0;
  --shadow: 0 20px 60px -20px rgba(16, 22, 28, 0.25);
  --shadow-sm: 0 8px 24px -12px rgba(16, 22, 28, 0.18);
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1180px;
  --font-head: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI Rounded', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B0F14;
    --bg-elevated: #131A21;
    --ink: #F2F4F6;
    --ink-soft: #B7C0C8;
    --ink-faint: #808A93;
    --border: rgba(255, 255, 255, 0.10);
    --teal: #2E8A94;
    --teal-tint: rgba(46, 138, 148, 0.14);
    --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
    --shadow-sm: 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 0.5em;
}
p { margin: 0 0 1.1em; color: var(--ink-soft); }
ul, ol { color: var(--ink-soft); line-height: 1.7; }
table { border-collapse: collapse; width: 100%; table-layout: fixed; margin: 1.4em 0; font-size: 0.95em; }
th, td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; overflow-wrap: anywhere; word-break: break-word; }
th { background: var(--teal-tint); font-family: var(--font-head); font-weight: 700; color: var(--ink); }
strong { color: var(--ink); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.eyebrow {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
  display: inline-block;
}
.lede { font-size: 1.15em; color: var(--ink-soft); max-width: 640px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.nav__brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 18px; color: var(--ink); }
.nav__brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a { color: var(--ink-soft); font-weight: 600; font-size: 15px; }
.nav__links a:hover { color: var(--ink); text-decoration: none; }
@media (max-width: 720px) { .nav__links { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 100px;
  font-family: var(--font-head); font-weight: 800; font-size: 16px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--teal); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--teal-dark); }
.btn--ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* Hero */
.hero { padding: 64px 0 40px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto -10%; height: 640px;
  background: radial-gradient(60% 60% at 50% 30%, var(--teal-tint), transparent 70%);
  pointer-events: none; z-index: 0;
}
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero__inner { grid-template-columns: 1fr; text-align: center; } .hero .lede, .hero .btn-row, .hero .badges { margin-left: auto; margin-right: auto; justify-content: center; } }
.hero h1 { font-size: clamp(34px, 5vw, 56px); max-width: 640px; }
.hero__phone { position: relative; }
.hero__phone img { border-radius: 36px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.badges { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }
.badge { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-faint); font-weight: 600; }
.badge svg { width: 18px; height: 18px; color: var(--teal); flex-shrink: 0; }

/* Download badge */
.appstore-badge img { height: 54px; width: auto; }

/* Screenshots */
.shots { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
@media (max-width: 900px) { .shots { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .shots { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; } }
.shot { border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); background: var(--bg-elevated); }
.shot img { border-radius: 22px; }
.shot figcaption { display: none; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; }
.step__num {
  width: 40px; height: 40px; border-radius: 12px; background: var(--teal-tint); color: var(--teal);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 800; font-size: 17px;
  margin-bottom: 18px;
}
.step h3 { font-size: 19px; }
.step p { margin: 0; font-size: 15.5px; }

/* Verdict chips (used for the fire/fun/marginal/skip explainer) */
.verdicts { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0; }
.verdict { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 100px; font-family: var(--font-head); font-weight: 800; font-size: 14px; color: #fff; }
.verdict--fire { background: var(--fire); }
.verdict--fun { background: var(--fun); }
.verdict--marginal { background: var(--marginal); }
.verdict--skip { background: var(--skip); }

/* Cards grid (guides) */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: block; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 24px; transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--teal); transform: translateY(-2px); text-decoration: none; }
.card__kicker { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); }
.card h3 { font-size: 18px; margin: 8px 0 8px; color: var(--ink); }
.card p { font-size: 14.5px; margin: 0; }

/* FAQ accordion */
.faq { max-width: 780px; margin: 44px auto 0; }
.faq-item { border-bottom: 1px solid var(--border); padding: 22px 0; }
.faq-item summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--font-head); font-weight: 700; font-size: 17px; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 22px; color: var(--teal); flex-shrink: 0; font-weight: 400; transition: transform 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 14px 0 0; }
.faq-item .learn-more { font-weight: 700; font-size: 14.5px; }

/* CTA band */
.cta-band {
  background: linear-gradient(160deg, var(--teal), var(--teal-dark));
  color: #fff; border-radius: 28px; padding: 64px 48px; text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); }
.cta-band .btn--primary { background: #fff; color: var(--teal-dark); }
.cta-band .btn--primary:hover { background: #F0F0F0; }
@media (max-width: 640px) { .cta-band { padding: 44px 24px; } }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 48px 0 32px; }
.footer__inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer__col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); margin-bottom: 14px; }
.footer__col a { display: block; color: var(--ink-soft); font-size: 14.5px; margin-bottom: 10px; font-weight: 500; }
.footer__col a:hover { color: var(--teal); }
.footer__brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.footer__brand img { width: 26px; height: 26px; border-radius: 7px; }
.footer__bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 13.5px; color: var(--ink-faint); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.attribution { font-size: 13px; color: var(--ink-faint); max-width: 640px; }

/* Guide article pages */
.breadcrumb { font-size: 14px; color: var(--ink-faint); margin-bottom: 18px; }
.breadcrumb a { color: var(--ink-faint); }
.article-hero { padding: 48px 0 24px; }
.article-hero .eyebrow { display: block; }
.article-hero h1 { font-size: clamp(30px, 4.4vw, 44px); max-width: 780px; }
.article-meta { color: var(--ink-faint); font-size: 14.5px; margin-bottom: 24px; }
.article-body { max-width: 720px; }
.article-body h2 { font-size: 24px; margin-top: 44px; }
.article-body p, .article-body li { font-size: 17px; }
.callout {
  background: var(--teal-tint); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 28px 28px; margin: 40px 0;
}
.callout .eyebrow { margin-bottom: 10px; }
.callout p:last-child { margin-bottom: 0; }
.mini-faq { margin-top: 40px; }
.mini-faq h3 { font-size: 16px; margin-bottom: 6px; color: var(--ink); }
.mini-faq .qa { margin-bottom: 20px; }
.related { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }

/* Small helpers */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }