/* ──────────────────────────────────────────────────────────────────────────
   SynclioClinical — Marketing Styles
   Founder-led aesthetic. High craft, dense product detail, modern type.
   Reference points: Linear, Vercel, Stripe.
   ────────────────────────────────────────────────────────────────────────── */

:root {
  /* Ink */
  --ink:           #0a0e0d;
  --ink-2:         #2a322e;
  --ink-3:         #5a665f;
  --ink-4:         #8a958e;
  --ink-5:         #c8ceca;
  /* Surface */
  --paper:         #fafaf8;
  --paper-2:       #f3f3ef;
  --paper-3:       #ececea;
  --white:         #ffffff;
  /* Accent — clinical green (distinct from consumer Synclio green) */
  --accent:        #186b3a;
  --accent-2:      #14582f;
  --accent-soft:   #e8f1ec;
  --accent-line:   #c5dccd;
  /* Status */
  --red:           #b91c1c;
  --red-soft:      #fee2e2;
  --amber:         #b45309;
  --amber-soft:    #fef3c7;
  /* Type */
  --sans:          'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --serif:         'GT Sectra', 'Tiempos Text', 'Charter', Georgia, serif;
  --mono:          'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
  /* Layout */
  --container:     1140px;
  --container-tight: 760px;
  --radius:        10px;
  --radius-lg:     14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

/* Type scale */
h1, h2, h3, h4 { font-family: var(--sans); color: var(--ink); margin: 0; letter-spacing: -0.02em; font-weight: 600; }
h1 { font-size: 56px; line-height: 1.05; letter-spacing: -0.035em; }
h2 { font-size: 34px; line-height: 1.15; letter-spacing: -0.025em; }
h3 { font-size: 20px; line-height: 1.3; }
h4 { font-size: 15px; line-height: 1.4; font-weight: 600; }
p { margin: 0; }

@media (max-width: 720px) {
  h1 { font-size: 38px; }
  h2 { font-size: 26px; }
}

/* Layout primitives */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-tight { max-width: var(--container-tight); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .section-tight { padding: 48px 0; }
}

/* Top nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--paper-3);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-weight: 600; font-size: 17px; color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark {
  width: 22px; height: 22px; border-radius: 5px;
  background: url("/favicon.svg") center / cover no-repeat;
  display: inline-block;
}
.brand-mark::after { content: none; }
.brand-clinical { color: var(--ink-3); font-weight: 400; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--ink-3); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; border-radius: var(--radius);
  font-family: inherit; font-size: 14px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent; text-decoration: none;
  transition: all .14s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--ink); color: var(--white); border-color: var(--ink);
}
.btn-primary:hover { background: var(--ink-2); border-color: var(--ink-2); color: var(--white); }
.btn-accent {
  background: var(--accent); color: var(--white); border-color: var(--accent);
}
.btn-accent:hover { background: var(--accent-2); border-color: var(--accent-2); color: var(--white); }
.btn-ghost {
  background: transparent; color: var(--ink); border-color: var(--paper-3);
}
.btn-ghost:hover { border-color: var(--ink-5); background: var(--paper-2); color: var(--ink); }
.btn-lg { padding: 13px 22px; font-size: 15px; }

/* Hero */
.hero { padding: 80px 0 64px; }
@media (min-width: 721px) { .hero { padding: 120px 0 80px; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); display: inline-block;
}

.hero h1 {
  margin-bottom: 22px;
  max-width: 880px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub {
  font-size: 19px; line-height: 1.5; color: var(--ink-3);
  max-width: 640px; margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.hero-actions .sub-action {
  font-size: 13px; color: var(--ink-4); margin-left: 4px;
}

/* "Trusted by" / quiet credibility line */
.cred-line {
  margin-top: 60px; padding-top: 28px;
  border-top: 1px solid var(--paper-3);
  display: flex; flex-wrap: wrap; gap: 28px; align-items: center;
  font-size: 13px; color: var(--ink-4);
}
.cred-line .pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px; border-radius: 99px;
  background: var(--paper-2); border: 1px solid var(--paper-3);
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); font-weight: 500;
}

/* Section header */
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head p { font-size: 17px; color: var(--ink-3); margin-top: 12px; }

/* Module grid */
.modules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 720px) { .modules { grid-template-columns: 1fr; } }

.module {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg);
  transition: all .15s ease;
}
.module:hover { border-color: var(--ink-5); transform: translateY(-1px); }
.module-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.module-icon {
  width: 36px; height: 36px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  font-family: var(--mono); font-size: 13px; font-weight: 700;
}
.module h3 { font-size: 19px; }
.module-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-4); margin-top: 2px;
}
.module p { font-size: 14.5px; line-height: 1.55; color: var(--ink-3); margin-bottom: 14px; }
.module ul { list-style: none; padding: 0; margin: 0; }
.module ul li {
  padding-left: 18px; position: relative;
  font-size: 13.5px; color: var(--ink-2); margin-bottom: 6px;
}
.module ul li::before {
  content: '→'; position: absolute; left: 0; color: var(--accent);
  font-weight: 600;
}

/* Personas — 3 columns */
.personas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .personas { grid-template-columns: 1fr; } }

.persona {
  padding: 28px;
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg);
  background: var(--paper);
}
.persona-role {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.persona h3 { margin-bottom: 14px; }
.persona p { font-size: 14.5px; color: var(--ink-3); margin-bottom: 16px; }
.persona ul { list-style: none; padding: 0; margin: 0; font-size: 14px; }
.persona ul li {
  padding-left: 20px; position: relative; margin-bottom: 8px; color: var(--ink-2);
}
.persona ul li::before {
  content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700;
}

/* Founder block */
.founder {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 56px;
}
@media (max-width: 720px) { .founder { padding: 36px 28px; } }
.founder .eyebrow { color: var(--paper-3); }
.founder .eyebrow-dot { background: var(--paper-3); }
.founder h2 { color: var(--white); margin-bottom: 20px; max-width: 700px; }
.founder p {
  font-size: 17px; line-height: 1.6; color: var(--ink-5);
  max-width: 680px; margin-bottom: 16px;
}
.founder p strong { color: var(--white); font-weight: 500; }
.founder-sig {
  margin-top: 32px; padding-top: 28px;
  border-top: 1px solid var(--ink-2);
  display: flex; align-items: center; gap: 14px;
}
.founder-sig-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--accent); color: var(--white);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 16px;
}
.founder-sig-name { color: var(--white); font-weight: 600; font-size: 14px; }
.founder-sig-title { color: var(--ink-4); font-size: 12.5px; margin-top: 2px; }

/* Compliance */
.compliance {
  background: var(--paper-2);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 24px 56px;
}
.compliance .label {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3);
}
.compliance .items { display: flex; flex-wrap: wrap; gap: 16px 28px; }
.compliance .item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--ink-2); font-weight: 500;
}
.compliance .item-mark {
  width: 18px; height: 18px; border-radius: 4px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}

/* CTA block */
.cta-block {
  text-align: center;
  padding: 80px 24px;
  border-top: 1px solid var(--paper-3);
  border-bottom: 1px solid var(--paper-3);
}
.cta-block h2 { margin-bottom: 18px; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-block p { font-size: 17px; color: var(--ink-3); margin-bottom: 28px; max-width: 540px; margin-left: auto; margin-right: auto; }

/* Footer */
.footer {
  padding: 48px 0 60px;
  font-size: 13px; color: var(--ink-4);
}
.footer-row {
  display: flex; flex-wrap: wrap; gap: 24px;
  align-items: center; justify-content: space-between;
}
.footer a { color: var(--ink-3); }
.footer-links { display: flex; gap: 24px; }

/* Forms (request-demo) */
.form-card {
  background: var(--white);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg);
  padding: 40px;
}
@media (max-width: 720px) { .form-card { padding: 28px 24px; } }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 720px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-size: 13px; font-weight: 500; color: var(--ink-2);
}
.field label .req { color: var(--red); margin-left: 2px; }
.field input,
.field select,
.field textarea {
  padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--paper-3); background: var(--white);
  font-family: inherit; font-size: 14.5px; color: var(--ink);
  width: 100%; transition: border-color .12s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { min-height: 100px; resize: vertical; }
.field .hint { font-size: 12.5px; color: var(--ink-4); }

.checkbox-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
@media (max-width: 480px) { .checkbox-grid { grid-template-columns: 1fr; } }
.checkbox-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 13px;
  border: 1px solid var(--paper-3);
  border-radius: 8px;
  cursor: pointer; font-size: 14px;
  background: var(--white);
  transition: all .12s ease;
}
.checkbox-item:hover { border-color: var(--ink-5); }
.checkbox-item input { width: 16px; height: 16px; accent-color: var(--accent); margin: 0; }
.checkbox-item.checked {
  border-color: var(--accent); background: var(--accent-soft);
}

.alert {
  padding: 12px 14px; border-radius: 8px;
  font-size: 14px; margin-bottom: 16px;
}
.alert-success { background: var(--accent-soft); color: var(--accent-2); border: 1px solid var(--accent-line); }
.alert-error { background: var(--red-soft); color: var(--red); border: 1px solid #fca5a5; }

/* Auth (invite-only sign-in) */
.auth-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 24px; background: var(--paper);
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--white);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}
.auth-brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 17px; color: var(--ink);
  margin-bottom: 28px;
  text-decoration: none;
}
.auth-card h1 { font-size: 24px; margin-bottom: 8px; }
.auth-card .sub { font-size: 14.5px; color: var(--ink-3); margin-bottom: 24px; }
.auth-card .helper {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px solid var(--paper-3);
  font-size: 13px; color: var(--ink-4); text-align: center;
}