/* TurboProc — shared site styles
 * Extends the typographic system from TurboProc_Scope_Beta_Waitlist.html.
 * Used by every page on turboproc.com.
 */

:root {
  --ink: #0F172A;
  --ink-soft: #334155;
  --muted: #64748B;
  --line: #E2E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;
  --brand: #1F4E79;
  --brand-strong: #143456;
  --accent: #E11D48;
  --ok: #047857;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--brand); }
a:hover { color: var(--brand-strong); }

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

/* ---------- Top bar ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(140%) blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.topbar .row {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand {
  font-weight: 700; letter-spacing: -.01em; color: var(--ink);
  text-decoration: none; font-size: 17px;
}
.brand .dot { color: var(--brand); }
.topbar nav { display: flex; gap: 22px; align-items: center; }
.topbar nav a {
  text-decoration: none; color: var(--ink-soft); font-size: 14px; font-weight: 500;
}
.topbar nav a:hover { color: var(--ink); }
.topbar a.cta {
  text-decoration: none; color: white; background: var(--brand);
  padding: 8px 14px; border-radius: 8px; font-weight: 600; font-size: 14px;
}
.topbar a.cta:hover { background: var(--brand-strong); color: white; }
@media (max-width: 640px) {
  .topbar nav a:not(.cta) { display: none; }
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 48px; }
.hero .eyebrow {
  color: var(--brand); font-weight: 700; font-size: 13px; letter-spacing: .12em;
  text-transform: uppercase; margin: 0 0 16px;
}
.hero h1 {
  font-size: clamp(36px, 5.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -.02em;
  font-weight: 800;
  margin: 0 0 20px;
  max-width: 22ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--brand);
  background: linear-gradient(180deg, transparent 60%, rgba(31,78,121,.15) 60%);
}
.hero p.lead {
  font-size: 19px; color: var(--ink-soft);
  max-width: 64ch; margin: 0 0 28px;
}
.hero .meta {
  display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px;
  margin-bottom: 32px;
}
.hero .meta span::before {
  content: "•"; margin-right: 10px; color: var(--brand);
}
.hero .meta span:first-child::before { display: none; }

.tagline-band {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  text-align: center;
}
.tagline-band p {
  margin: 0; color: var(--ink-soft); font-size: 15px;
}
.tagline-band strong { color: var(--ink); font-weight: 700; }

/* ---------- Grid & cards ---------- */
.grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 880px) { .grid { grid-template-columns: 1fr; gap: 32px; } }

.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h2 { font-size: 20px; margin: 0 0 8px; letter-spacing: -.01em; }
.card p.sub { color: var(--muted); font-size: 14px; margin: 0 0 20px; }

/* ---------- Forms ---------- */
form .field { margin-bottom: 14px; }
form label {
  display: block; font-weight: 600; font-size: 13px;
  color: var(--ink-soft); margin-bottom: 6px;
}
form input, form select, form textarea {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px;
  font: inherit; color: var(--ink); background: white;
}
form input:focus, form select:focus, form textarea:focus {
  outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand);
}
form textarea { min-height: 76px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 540px) { .row2 { grid-template-columns: 1fr; } }
.submit {
  width: 100%; padding: 13px 16px; border: 0; border-radius: 8px;
  background: var(--brand); color: white; font-weight: 700; font-size: 15px;
  letter-spacing: .01em; cursor: pointer; transition: background .15s;
}
.submit:hover { background: var(--brand-strong); }
.legal { font-size: 12px; color: var(--muted); margin-top: 12px; }

/* ---------- Sections ---------- */
section.block { padding: 48px 0; border-top: 1px solid var(--line); }
section.block h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  letter-spacing: -.01em; margin: 0 0 8px;
}
section.block .kicker {
  color: var(--brand); font-weight: 700; font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 8px;
}
section.block p.lede {
  font-size: 17px; color: var(--ink-soft);
  max-width: 70ch; margin: 0 0 28px;
}

/* 3-step grid */
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .three { grid-template-columns: 1fr; } }
.step {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--brand); color: white; font-weight: 700; font-size: 14px;
  margin-bottom: 10px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -.005em; }
.step p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* Quote */
.quote {
  border-left: 3px solid var(--brand);
  padding: 8px 16px; margin: 0; color: var(--ink-soft); font-style: italic;
  font-size: 17px;
}
.quote cite {
  display: block; margin-top: 6px; font-style: normal; color: var(--muted); font-size: 13px;
}

/* Benefits */
.benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 760px) { .benefits { grid-template-columns: 1fr; } }
.benefit {
  display: flex; gap: 12px; padding: 14px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft);
}
.benefit .check {
  flex: 0 0 22px; width: 22px; height: 22px; border-radius: 999px;
  background: var(--ok); color: white; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px;
}
.benefit h4 { margin: 0 0 4px; font-size: 15px; }
.benefit p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* Persona cards (for /about-our-ai and homepage team section) */
.personas { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .personas { grid-template-columns: 1fr; } }
.persona {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.persona h3 { margin: 0 0 4px; font-size: 18px; letter-spacing: -.005em; }
.persona .role { color: var(--brand); font-size: 13px; font-weight: 600; margin: 0 0 10px; }
.persona p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* FAQ */
details.faq { border-top: 1px solid var(--line); padding: 14px 0; }
details.faq:last-of-type { border-bottom: 1px solid var(--line); }
details.faq summary {
  cursor: pointer; font-weight: 600; font-size: 16px; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; line-height: 1; }
details.faq[open] summary::after { content: "–"; }
details.faq p { color: var(--ink-soft); margin: 10px 0 0; }

/* CTA buttons (inline) */
.cta-btn {
  display: inline-block; background: var(--brand); color: white;
  padding: 14px 22px; border-radius: 8px; font-weight: 700;
  text-decoration: none; transition: background .15s;
}
.cta-btn:hover { background: var(--brand-strong); color: white; }

/* Long-form prose (privacy / terms / about-our-ai) */
.prose { max-width: 76ch; padding: 48px 0; }
.prose h1 {
  font-size: clamp(28px, 4vw, 40px); letter-spacing: -.02em;
  margin: 0 0 8px; line-height: 1.15;
}
.prose .updated { color: var(--muted); font-size: 13px; margin: 0 0 32px; }
.prose h2 {
  font-size: 20px; letter-spacing: -.005em; margin: 36px 0 10px;
}
.prose h3 {
  font-size: 16px; letter-spacing: -.005em; margin: 24px 0 8px;
}
.prose p { color: var(--ink-soft); margin: 0 0 14px; font-size: 16px; }
.prose ul { color: var(--ink-soft); padding-left: 20px; margin: 0 0 14px; }
.prose ul li { margin: 0 0 6px; font-size: 16px; }
.prose a { color: var(--brand); }

/* Footer */
footer {
  color: var(--muted); font-size: 13px;
  border-top: 1px solid var(--line); padding: 24px 0 48px;
}
footer .row {
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 16px; align-items: center;
}
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer nav a { color: var(--muted); text-decoration: none; }
footer nav a:hover { color: var(--ink); }

/* Success state (form) */
.success {
  display: none;
  background: #ECFDF5; border: 1px solid #6EE7B7; border-radius: var(--radius);
  padding: 18px; color: #065F46;
}
.success.visible { display: block; }
.success h3 { margin: 0 0 6px; font-size: 17px; }
.success p { margin: 0; font-size: 14.5px; }