/* TARA About page (/about). Layered on homepage.css: reuses its tokens, top bar, band, closer and footer. */

/* ── Hero ───────────────────────────────────────────────── */
.ab-hero {
  position: relative; overflow: hidden; padding-block: clamp(48px, 9vw, 104px) clamp(36px, 6vw, 64px);
  background:
    radial-gradient(760px 420px at 8% 0%, color-mix(in srgb, var(--brand) 20%, transparent), transparent 70%),
    radial-gradient(640px 420px at 95% 10%, color-mix(in srgb, var(--brand-2) 18%, transparent), transparent 70%),
    radial-gradient(600px 300px at 50% 105%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
}
.ab-hero::after { /* fine dot grid */
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(color-mix(in srgb, var(--text) 9%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at 30% 30%, #000 20%, transparent 75%);
}
.ab-hero__inner { position: relative; z-index: 1; max-width: 880px; }
.ab-hero .pill svg { width: 15px; height: 15px; }
.ab-hero h1 { margin: 0 0 22px; font: 800 clamp(40px, 7vw, 80px)/1.02 var(--font-display); letter-spacing: -.04em; text-wrap: balance; }
.ab-hero .grad { background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ab-hero__lede { max-width: 680px; margin: 0 0 14px; font-size: clamp(16px, 1.6vw, 18.5px); line-height: 1.65; color: var(--text-2); text-wrap: pretty; }
.ab-hero__lede b { color: var(--text); }
.ab-hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.ab-hero__cta .btn svg { margin-left: 6px; }
/* Rising sun from the TARA mark, parked behind the copy. */
.ab-hero__sun {
  position: absolute; z-index: 0; right: -120px; bottom: -260px; width: 560px; height: 560px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, color-mix(in srgb, var(--gold) 55%, transparent) 0 38%, color-mix(in srgb, var(--gold) 14%, transparent) 39% 52%, transparent 53%);
  opacity: .5; filter: blur(2px);
}

/* ── Section heads ──────────────────────────────────────── */
.ab-head { max-width: 680px; margin: 0 auto 28px; text-align: center; }
.ab-head .eyebrow { justify-content: center; color: var(--brand); }
.ab-head h2 { margin: 0 0 10px; font: 800 clamp(26px, 3.4vw, 38px)/1.12 var(--font-display); letter-spacing: -.03em; text-wrap: balance; }
.ab-head p:not(.eyebrow) { margin: 0; color: var(--text-2); font-size: 16px; text-wrap: pretty; }
.ab-head--left { margin: 0; text-align: left; }
.ab-head--left .eyebrow { justify-content: flex-start; }

/* ── What's on TARA cards ───────────────────────────────── */
.ab-cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ab-cards a {
  display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 22px; border-radius: 20px;
  background: linear-gradient(160deg, hsl(var(--h) 75% 55% / .09), transparent 60%), var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow-1);
  transition: transform .25s cubic-bezier(.2,.8,.2,1), border-color .2s, box-shadow .25s;
}
.ab-cards a:hover { transform: translateY(-4px); border-color: hsl(var(--h) 70% 55% / .5); box-shadow: var(--shadow-2); }
.ab-cards__ic {
  display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 8px; border-radius: 14px; font-size: 24px;
  background: hsl(var(--h) 80% 60% / .14); box-shadow: inset 0 0 0 1px hsl(var(--h) 70% 55% / .2);
}
.ab-cards b { font: 700 17px/1.25 var(--font-display); }
.ab-cards p { margin: 0; font-size: 14px; color: var(--text-2); line-height: 1.55; }

/* ── Principles ─────────────────────────────────────────── */
.ab-why {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 5vw, 64px); align-items: center;
  padding: clamp(24px, 4vw, 44px); border-radius: 28px; border: 1px solid var(--line);
  background:
    radial-gradient(420px 220px at 0% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%),
    radial-gradient(420px 220px at 100% 100%, color-mix(in srgb, var(--red) 8%, transparent), transparent 70%),
    var(--bg-2);
}
.ab-principles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ab-principles li {
  display: flex; gap: 14px; padding: 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line);
}
.ab-principles li > span {
  flex: none; font: 800 13px/1 var(--font-display); letter-spacing: .04em; padding-top: 3px;
  background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ab-principles b { display: block; margin-bottom: 4px; font: 700 15.5px/1.3 var(--font-display); }
.ab-principles p { margin: 0; font-size: 13.5px; color: var(--text-2); line-height: 1.5; }

/* ── TaraChat band ──────────────────────────────────────── */
.ab-band { margin-top: clamp(56px, 8vw, 96px); }
.ab-band__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.ab-band h2 { margin: 0 0 16px; font: 800 clamp(30px, 4.2vw, 50px)/1.05 var(--font-display); letter-spacing: -.035em; text-wrap: balance; }
.ab-band__lede { margin: 0 0 20px; color: var(--band-ink-2); font-size: 16.5px; line-height: 1.65; }
.ab-band__list { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 10px; }
.ab-band__list li { display: flex; align-items: center; gap: 12px; font-size: 15px; }
.ab-band__list span {
  flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; font-size: 17px;
  background: rgb(255 255 255 / .07); border: 1px solid rgb(255 255 255 / .1);
}
/* Fanned stack of real app screenshots. */
.ab-shots { position: relative; aspect-ratio: 1 / .92; }
.ab-shots img {
  position: absolute; height: auto; border-radius: 14px;
  box-shadow: 0 0 0 1px rgb(255 255 255 / .12), 0 40px 80px -30px rgb(0 0 0 / .95);
  transition: transform .5s cubic-bezier(.2,.8,.2,1);
}
.ab-shots__a { width: 74%; left: 4%; top: 6%; transform: rotate(-4deg); z-index: 1; }
.ab-shots__c { width: 48%; right: 0; top: 0; transform: rotate(5deg); z-index: 2; }
.ab-shots__b { width: 30%; left: 44%; bottom: 0; transform: rotate(-1deg); z-index: 3; }
.ab-shots:hover .ab-shots__a { transform: rotate(-6deg) translate(-10px, -4px); }
.ab-shots:hover .ab-shots__c { transform: rotate(8deg) translate(10px, -8px); }
.ab-shots:hover .ab-shots__b { transform: rotate(0deg) translateY(-10px); }

/* ── FAQ ────────────────────────────────────────────────── */
.ab-faq { max-width: 780px; margin: 0 auto; display: grid; gap: 10px; }
.ab-faq details {
  border-radius: 16px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-1);
  transition: border-color .2s;
}
.ab-faq details[open] { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); }
.ab-faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; cursor: pointer;
  font: 700 16px/1.35 var(--font-display); list-style: none;
}
.ab-faq summary::-webkit-details-marker { display: none; }
.ab-faq summary::after {
  content: '+'; flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 999px;
  font: 600 18px/1 var(--font); color: var(--brand); background: var(--brand-soft); transition: transform .2s;
}
.ab-faq details[open] summary::after { transform: rotate(45deg); }
.ab-faq details p { margin: 0; padding: 0 20px 20px; color: var(--text-2); line-height: 1.65; }
.ab-faq a, .ab-faq a:visited { color: var(--brand); font-weight: 600; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 980px) {
  .ab-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ab-why, .ab-band__grid { grid-template-columns: minmax(0, 1fr); }
  .ab-shots { max-width: 560px; width: 100%; margin-inline: auto; }
}
@media (max-width: 600px) {
  .ab-cards, .ab-principles { grid-template-columns: minmax(0, 1fr); }
  .ab-hero__cta .btn { flex: 1 1 100%; justify-content: center; }
  .ab-hero__sun { width: 380px; height: 380px; right: -140px; bottom: -200px; }
}
@media (prefers-reduced-motion: reduce) {
  .ab-cards a, .ab-shots img { transition: none; }
  .ab-cards a:hover { transform: none; }
}