/* AIMedics — Direction A · Clinical Precision
   All design tokens mirror brand-spec.md. Update spec first when changing colors / type. */

:root {
  /* Palette */
  --bg: #FFFFFF;
  --band: #F1F5F9;
  --ink: #0F172A;
  --muted: #64748B;
  --rule: #E2E8F0;
  --accent: #0D7373;
  --accent-ink: #FFFFFF;
  --accent-band: #ECFEFD;

  /* Type */
  --font-display: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --container-w: 1200px;
  --container-narrow-w: 880px;
  --gutter: 48px;
  --gutter-tight: 24px;
  --section-pad: 96px;
  --section-pad-tight: 64px;
}

/* -------- Reset / base -------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: 'ss01', 'cv11', 'tnum';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

/* -------- Containers -------- */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container.narrow {
  max-width: var(--container-narrow-w);
}
section { padding: var(--section-pad) 0; }
section.band { background: var(--band); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }

/* -------- Typography helpers -------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}
.micro-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 12px;
  font-weight: 500;
}
.micro {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin: 0;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 16px;
  font-weight: 500;
}
.accent { color: var(--accent); }
.centered { justify-content: center; text-align: center; }

h2 {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 22ch;
  letter-spacing: -0.022em;
}
section .container.narrow h2 { max-width: 24ch; }
.lede {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 60ch;
  margin: 0 0 32px;
}
.lede.narrow { max-width: 50ch; }

/* -------- Nav -------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: inline-flex; align-items: center; }
.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--muted);
}
.nav-links a {
  color: inherit;
  text-decoration: none;
  font-weight: 500;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--ink);
  color: white !important;
  padding: 10px 16px;
  border-radius: 6px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  font-weight: 500;
}
.nav-cta:hover { text-decoration: none; background: #1E293B; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 20px var(--gutter);
  border-top: 1px solid var(--rule);
  background: var(--bg);
}
.mobile-menu a { color: var(--ink); text-decoration: none; padding: 8px 0; }
.mobile-menu a.nav-cta { background: var(--ink); color: white; padding: 12px 16px; border-radius: 6px; }

/* -------- Buttons -------- */
.cta-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.btn-primary {
  background: var(--ink);
  color: white !important;
  padding: 14px 22px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background 0.15s;
}
.btn-primary::after { content: '→'; font-family: var(--font-mono); }
.btn-primary:hover { background: var(--accent); text-decoration: none; }
.btn-secondary {
  color: var(--ink);
  padding: 14px 4px;
  font-size: 15px;
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
}
.btn-secondary:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

/* -------- Hero -------- */
.hero { padding: 88px 0 var(--section-pad-tight); }
.hero-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-copy h1 {
  font-size: 68px;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
  max-width: 14ch;
}
.hero .cta-row { margin-bottom: 20px; }

/* Stat card */
.stat-card {
  background: var(--band);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 36px 32px 28px;
  position: relative;
}
.stat-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 14px;
  font-weight: 500;
}
.stat-rows { margin: 0; }
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  margin: 0;
}
.stat-row:last-child { border-bottom: none; padding-bottom: 0; }
.stat-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin: 0;
}
.stat-row dd {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.stat-row dd.accent { color: var(--accent); }

/* -------- Problem grid -------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.problem-item {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 24px 28px;
}
.problem-item p:last-child {
  font-size: 17px;
  color: var(--ink);
  margin: 0;
  font-weight: 500;
  line-height: 1.45;
}

/* -------- Deliverables (numbered list cards) -------- */
.deliverables {
  list-style: none;
  padding: 0;
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 16px;
  overflow: hidden;
}
.deliverables li {
  background: var(--bg);
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.deliverables .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.deliverables h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}
.deliverables p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* -------- Steps -------- */
.steps {
  list-style: none;
  padding: 0;
  margin: 48px 0 32px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  counter-reset: step;
}
.steps li {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
  font-weight: 500;
}
.steps h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}
.step-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin: 0 0 4px;
}
.steps li > p:last-child {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* -------- Guarantee -------- */
.guarantee-block {
  text-align: left;
}
.guarantee-block h2.quote {
  font-size: 32px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.015em;
  max-width: 24ch;
  margin: 0 0 24px;
}
.guarantee-block h2.quote::before { content: '"'; color: var(--muted); margin-right: 4px; }
.guarantee-block h2.quote::after { content: '"'; color: var(--muted); margin-left: 4px; }

/* -------- Two-col (Who it's for) -------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 48px;
}
.check-list, .x-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.check-list li, .x-list li {
  font-size: 16px;
  padding-left: 28px;
  position: relative;
  line-height: 1.45;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.x-list li::before {
  content: '×';
  position: absolute;
  left: 4px; top: -2px;
  font-size: 22px;
  color: var(--muted);
  line-height: 1;
}

/* -------- Pricing -------- */
.price-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 40px 40px 32px;
  margin: 40px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.price-card-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.price {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.price-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
  font-weight: 400;
  margin-left: 12px;
}
.price-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}
.price-list li {
  font-size: 16px;
  padding-left: 28px;
  position: relative;
  line-height: 1.4;
  color: var(--ink);
}
.price-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* -------- FAQ -------- */
.faq-list {
  margin-top: 40px;
  border-top: 1px solid var(--rule);
}
.faq-list details {
  border-bottom: 1px solid var(--rule);
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  position: relative;
  transition: transform 0.2s;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  left: 50%; top: 50%;
}
.faq-icon::before { width: 14px; height: 2px; transform: translate(-50%, -50%); }
.faq-icon::after { width: 2px; height: 14px; transform: translate(-50%, -50%); transition: transform 0.2s; }
.faq-list details[open] .faq-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-list details p {
  padding: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 65ch;
}
.faq-list details p a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* -------- About -------- */
.about-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  align-items: start;
}
.headshot {
  border-radius: 50%;
  width: 160px; height: 160px;
}
.about-grid p { color: var(--muted); margin-bottom: 16px; }
.about-grid p.lede { color: var(--ink); }

/* -------- Final CTA -------- */
.final-cta { text-align: center; }
.final-cta h2 { margin-left: auto; margin-right: auto; }
.final-cta .lede { margin: 0 auto 32px; }
.final-cta .cta-row { justify-content: center; }
.booking-placeholder {
  background: var(--bg);
  border: 1px dashed var(--rule);
  border-radius: 12px;
  padding: 40px 32px;
  margin: 0 auto 24px;
  max-width: 540px;
}
.booking-placeholder p:not(.micro-label) {
  color: var(--muted);
  margin-bottom: 24px;
}
.booking-placeholder code {
  font-family: var(--font-mono);
  background: var(--band);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

/* -------- Footer -------- */
.footer {
  border-top: 1px solid var(--rule);
  padding: 48px 0;
  background: var(--bg);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: end;
}
.footer-meta { text-align: right; }
.footer .micro a { color: var(--ink); text-decoration: none; }
.footer .micro a:hover { color: var(--accent); }
.footer img { margin-bottom: 8px; }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy h1 { font-size: 52px; max-width: none; }
  .deliverables { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .problem-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .headshot { width: 96px; height: 96px; }
  h2 { font-size: 32px; }
}

@media (max-width: 720px) {
  :root { --gutter: 24px; --section-pad: 64px; --section-pad-tight: 48px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu[data-open] { display: flex; }
  .hero-copy h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  .lede { font-size: 17px; }
  .deliverables { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stat-card { padding: 28px 24px 22px; }
  .stat-row dd { font-size: 18px; }
  .price { font-size: 36px; }
  .price-card { padding: 32px 24px 24px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
  .guarantee-block h2.quote { font-size: 24px; }
  .booking-placeholder { padding: 28px 20px; }
}