/* VitalogicAI sales site. Palette: deep ink + warm amber (time / daylight) + teal for data. */
:root {
  --ink: #14213D;
  --ink-2: #33415C;
  --muted: #5C677D;
  --surface: #FFFFFF;
  --tint: #F4F6FA;
  --line: #E2E6EE;
  --amber: #F7A21B;
  --amber-ink: #3D2600;
  --teal: #1F8A80;
  --dark: #0F1A30;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20, 33, 61, 0.08);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--surface); line-height: 1.55; font-size: 17px; }
img { max-width: 100%; }
a { color: var(--teal); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 12px; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }
.section { padding: 88px 0; }
.section-tint { background: var(--tint); }
.section-dark { background: var(--dark); color: #E8ECF5; }
.section-lead { color: var(--muted); max-width: 680px; margin-bottom: 36px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 700; color: var(--teal); margin-bottom: 10px; }
.eyebrow-light { color: var(--amber); }
.fine { font-size: 0.85rem; color: var(--muted); margin-top: 16px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font-weight: 650; text-decoration: none; border: 2px solid transparent; cursor: pointer; font: inherit; font-weight: 650; transition: transform .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--amber); color: var(--amber-ink); }
.btn-primary:hover { background: #FFB43F; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-small { padding: 9px 16px; font-size: 0.92rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.logo b { color: var(--teal); margin-left: 2px; }
.logo-mark { width: 28px; height: 28px; border-radius: 50%; background: conic-gradient(var(--amber) 0 75%, var(--ink) 75% 100%); box-shadow: inset 0 0 0 6px #fff; border: 2px solid var(--ink); }
.logo.small { font-size: 1rem; }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 550; font-size: 0.95rem; }
.nav a:hover { color: var(--teal); }

/* Hero */
.hero { padding: 72px 0 40px; background: linear-gradient(180deg, #FFF8EC 0%, #FFFFFF 70%); }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 600px; }
.trust { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--ink-2); }
.trust li::before { content: "✓"; color: var(--teal); font-weight: 800; margin-right: 10px; }
.hero-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); padding: 26px; }
.hc-title { font-weight: 750; margin-bottom: 14px; }
.hc-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.hc-row b { color: var(--teal); white-space: nowrap; }
.hc-foot { font-size: 0.8rem; color: var(--muted); margin-top: 12px; }

/* Cards */
.cards { display: grid; gap: 20px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card p { color: var(--muted); }
.card-dark { background: #18264A; border-color: #24355F; box-shadow: none; }
.card-dark p { color: #B9C3DA; }
.icon { width: 44px; height: 44px; border-radius: 12px; background: #FFF1D9; margin-bottom: 16px; position: relative; }
.icon::after { content: ""; position: absolute; inset: 11px; border-radius: 4px; border: 3px solid var(--amber); }
.i-chat::after { border-radius: 10px 10px 10px 2px; }
.i-follow::after { border-radius: 50%; border-right-color: transparent; }
.i-doc::after { inset: 10px 13px; }
.i-chart::after { border-top: none; border-right: none; border-radius: 0; }
.i-spark::after { transform: rotate(45deg); border-radius: 2px; }
.i-book::after { border-left-width: 6px; }

/* Estimator */
.estimator { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: start; }
.est-inputs, .est-output { background: var(--surface); border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 28px; }
.est-output { position: sticky; top: 92px; }
.field { display: grid; gap: 6px; font-weight: 600; font-size: 0.92rem; margin-bottom: 16px; }
.field input, .field select, .field textarea { font: inherit; font-weight: 400; padding: 11px 12px; border: 1px solid #C9D0DD; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-note { font-weight: 650; margin-top: 4px; }
.task { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.task label { font-weight: 600; font-size: 0.95rem; }
.task .share { font-size: 0.8rem; color: var(--muted); grid-column: 1 / -1; }
.task output { font-weight: 750; color: var(--teal); min-width: 64px; text-align: right; }
.task input[type=range] { grid-column: 1 / -1; width: 100%; accent-color: var(--amber); }
.est-big span { font-size: clamp(2.6rem, 6vw, 3.6rem); font-weight: 850; color: var(--ink); letter-spacing: -0.02em; display: block; line-height: 1; }
.est-big small, .est-mid small { display: block; color: var(--muted); margin-top: 6px; }
.est-mid { margin-top: 22px; }
.est-mid span { font-size: 2rem; font-weight: 800; color: var(--teal); }
.est-sub { margin-top: 26px; font-size: 1rem; }
.est-top { padding-left: 20px; margin: 0; color: var(--ink-2); }
.est-top li { margin-bottom: 6px; }

/* Case study */
.case { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.case-text p { color: var(--ink-2); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: var(--tint); border-radius: var(--radius); padding: 22px; }
.stat b { display: block; font-size: 2.2rem; color: var(--teal); line-height: 1.1; }
.stat span { color: var(--ink-2); font-size: 0.92rem; }

/* Process */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; position: relative; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 800; margin-bottom: 14px; }
.steps b { display: block; font-size: 1.1rem; margin-bottom: 8px; }
.steps span { color: var(--muted); }

/* Packages */
.pkg { display: flex; flex-direction: column; position: relative; }
.pkg ul { padding-left: 20px; color: var(--ink-2); flex: 1; }
.pkg .btn { margin-top: 12px; }
.price { font-size: 2rem; font-weight: 800; color: var(--ink); }
.price small { font-size: 0.95rem; font-weight: 500; color: var(--muted); }
.pkg-feature { border: 2px solid var(--amber); }
.badge { position: absolute; top: -13px; left: 24px; background: var(--amber); color: var(--amber-ink); font-size: 0.75rem; font-weight: 800; padding: 4px 12px; border-radius: 999px; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { font-weight: 700; cursor: pointer; font-size: 1.05rem; }
details p { color: var(--muted); margin-top: 10px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.form-status { margin-top: 12px; font-weight: 600; color: var(--teal); }
.rep-note { margin-top: 18px; color: var(--ink-2); }

/* Footer */
.site-footer { background: var(--dark); color: #B9C3DA; padding: 40px 0; }
.site-footer .logo { color: #fff; }
.site-footer a { color: #E8ECF5; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; }
.legal { font-size: 0.85rem; }

/* Responsive */
@media (max-width: 900px) {
  .nav { display: none; }
  .hero-grid, .estimator, .case, .contact-grid { grid-template-columns: 1fr; }
  .cards-3, .cards-4, .steps { grid-template-columns: 1fr 1fr; }
  .est-output { position: static; }
}
@media (max-width: 600px) {
  .cards-3, .cards-4, .steps, .stats, .field-row { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .header-row .btn-small { display: none; }
}

/* Print: only the estimator summary */
.print-only { display: none; }
@media print {
  body > *:not(#print-summary) { display: none !important; }
  #print-summary { display: block !important; padding: 24px; font-size: 13pt; }
  #print-summary h1 { font-size: 22pt; }
  #print-summary table { width: 100%; border-collapse: collapse; margin: 14px 0; }
  #print-summary td, #print-summary th { border-bottom: 1px solid #ccc; padding: 8px 4px; text-align: left; }
}