/* Medicus — commercial site styles. Plain CSS, no build step, no external fonts. */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-ink: #0f1a2b;
  --color-ink-soft: #46556b;
  --color-border: #e2e8f1;
  --color-brand: #1f5fbf;
  --color-brand-dark: #14458f;
  --color-brand-tint: #eaf1fd;
  --color-accent: #0ea5a0;
  --color-accent-tint: #e4f7f6;
  --color-warn-bg: #fff4e5;
  --color-warn-ink: #92400e;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(15, 26, 43, 0.04), 0 8px 24px -8px rgba(15, 26, 43, 0.12);
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0b1220;
    --color-bg-alt: #0f1a2b;
    --color-ink: #eef2f8;
    --color-ink-soft: #a6b3c6;
    --color-border: #223047;
    --color-brand: #5b9bf2;
    --color-brand-dark: #8ab8f7;
    --color-brand-tint: #122543;
    --color-accent: #37c9c0;
    --color-accent-tint: #0f2b29;
    --color-warn-bg: #2a2010;
    --color-warn-ink: #f2c879;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -8px rgba(0, 0, 0, 0.5);
  }
}
:root[data-theme="dark"] {
  --color-bg: #0b1220;
  --color-bg-alt: #0f1a2b;
  --color-ink: #eef2f8;
  --color-ink-soft: #a6b3c6;
  --color-border: #223047;
  --color-brand: #5b9bf2;
  --color-brand-dark: #8ab8f7;
  --color-brand-tint: #122543;
  --color-accent: #37c9c0;
  --color-accent-tint: #0f2b29;
  --color-warn-bg: #2a2010;
  --color-warn-ink: #f2c879;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -8px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--color-brand); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* --- skip link / a11y --- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--color-brand); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* --- navbar --- */
.navbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.navbar .row { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--color-ink); text-decoration: none; }
.brand .mark { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--color-ink-soft); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--color-ink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle {
  display: inline-flex; border: 1px solid var(--color-border); border-radius: 999px; overflow: hidden;
  font-size: 0.82rem; font-weight: 600;
}
.lang-toggle button {
  border: 0; background: transparent; padding: 6px 12px; cursor: pointer; color: var(--color-ink-soft);
}
.lang-toggle button[aria-pressed="true"] { background: var(--color-brand); color: #fff; }
.nav-toggle { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 11px 22px; font-weight: 600; font-size: 0.95rem;
  text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--color-brand); color: #fff; }
.btn-primary:hover { background: var(--color-brand-dark); }
.btn-ghost { background: transparent; color: var(--color-ink); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-brand); color: var(--color-brand); }
.btn-accent { background: var(--color-accent); color: #04302e; }
.btn-lg { padding: 14px 28px; font-size: 1.02rem; }

/* --- hero --- */
.hero { padding: 76px 0 64px; background: linear-gradient(180deg, var(--color-brand-tint), var(--color-bg) 70%); }
.hero .row { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-brand-dark);
  background: var(--color-brand-tint); border: 1px solid color-mix(in srgb, var(--color-brand) 30%, transparent);
  border-radius: 999px; padding: 6px 12px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); line-height: 1.12; margin: 0 0 18px; letter-spacing: -0.02em; }
.hero h1 .brandname { color: var(--color-brand); }
.hero .lede { font-size: 1.1rem; color: var(--color-ink-soft); max-width: 50ch; margin: 0 0 28px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.trust-row { display: flex; gap: 22px; flex-wrap: wrap; color: var(--color-ink-soft); font-size: 0.88rem; }
.trust-row span { display: inline-flex; align-items: center; gap: 6px; }

.hero-visual {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px; aspect-ratio: 4 / 3;
  display: flex; flex-direction: column; gap: 10px;
}
.hero-visual .bar { height: 10px; border-radius: 999px; background: var(--color-bg-alt); }
.hero-visual .window-chrome { display: flex; gap: 6px; margin-bottom: 6px; }
.hero-visual .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--color-border); }
.hero-visual .panel {
  flex: 1; border-radius: var(--radius-sm); background: var(--color-bg-alt);
  display: grid; grid-template-columns: 90px 1fr; gap: 10px; padding: 12px;
}
.hero-visual .side { display: flex; flex-direction: column; gap: 8px; }
.hero-visual .side i { height: 24px; border-radius: 6px; background: var(--color-brand-tint); }
.hero-visual .side i.on { background: var(--color-brand); }
.hero-visual .main { background: var(--color-bg); border-radius: 6px; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.hero-visual .line { height: 8px; border-radius: 4px; background: var(--color-border); }
.hero-visual .line.short { width: 55%; }

/* --- sections --- */
section { padding: 72px 0; }
.section-head { max-width: 640px; margin: 0 0 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { color: var(--color-brand); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; }
.section-head h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin: 8px 0 12px; letter-spacing: -0.01em; }
.section-head p { color: var(--color-ink-soft); font-size: 1.02rem; }
.alt-bg { background: var(--color-bg-alt); }

/* --- flujo clinico --- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.flow-step {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 20px 16px; position: relative;
}
.flow-step::before {
  counter-increment: step; content: counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%; background: var(--color-brand); color: #fff;
  font-weight: 700; font-size: 0.85rem; margin-bottom: 12px;
}
.flow-step h3 { font-size: 0.98rem; margin: 0 0 6px; }
.flow-step p { font-size: 0.86rem; color: var(--color-ink-soft); margin: 0; }

/* --- modules grid --- */
.modules-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.module-card {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 10px;
}
.module-card .ic {
  width: 38px; height: 38px; border-radius: 10px; background: var(--color-brand-tint);
  display: flex; align-items: center; justify-content: center; color: var(--color-brand);
}
.module-card h3 { font-size: 1rem; margin: 0; }
.module-card p { font-size: 0.86rem; color: var(--color-ink-soft); margin: 0; }

/* --- offline / privacy split --- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split .badge-ok { display: inline-flex; align-items: center; gap: 8px; color: var(--color-accent); font-weight: 700; font-size: 0.85rem; margin-bottom: 8px; }
.feature-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.feature-list li { display: flex; gap: 10px; font-size: 0.96rem; color: var(--color-ink-soft); }
.feature-list svg { flex: none; color: var(--color-accent); margin-top: 2px; }

.panel-card {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 26px;
}

/* --- demo section --- */
.demo-banner {
  background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
  color: #fff; border-radius: 20px; padding: 48px; display: grid;
  grid-template-columns: 1.2fr 0.8fr; gap: 32px; align-items: center;
}
.demo-banner h2 { margin: 0 0 12px; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.demo-banner p { color: rgba(255,255,255,0.86); margin: 0 0 22px; max-width: 52ch; }
.synthetic-pill {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; padding: 6px 14px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 16px;
}
.demo-banner .btn-primary { background: #fff; color: var(--color-brand-dark); }
.demo-banner .btn-primary:hover { background: #eef2f8; }
.demo-mock { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.25); border-radius: var(--radius); padding: 16px; }
.demo-mock .bar { height: 9px; border-radius: 999px; background: rgba(255,255,255,0.25); margin-bottom: 8px; }

/* --- audience chips --- */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.audience-card {
  border: 1px solid var(--color-border); border-radius: var(--radius); padding: 22px;
  background: var(--color-bg);
}
.audience-card h3 { margin: 0 0 6px; font-size: 1rem; }
.audience-card p { margin: 0; font-size: 0.88rem; color: var(--color-ink-soft); }

/* --- FAQ --- */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
details.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 4px 18px; background: var(--color-bg); }
details.faq-item summary {
  cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex;
  align-items: center; justify-content: space-between; gap: 12px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--color-ink-soft); font-weight: 400; }
details.faq-item[open] summary::after { content: "–"; }
details.faq-item p { color: var(--color-ink-soft); margin: 0 0 16px; font-size: 0.95rem; }

/* --- early access / contact --- */
.contact-card {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 36px; max-width: 640px; margin: 0 auto;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 10px 12px; font: inherit; background: var(--color-bg); color: var(--color-ink);
}
.field textarea { resize: vertical; min-height: 90px; }
.form-note { font-size: 0.8rem; color: var(--color-ink-soft); margin-top: 14px; }
.form-success {
  display: none; align-items: center; gap: 10px; background: var(--color-accent-tint);
  color: var(--color-accent); border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
  border-radius: var(--radius-sm); padding: 14px; margin-top: 16px; font-size: 0.92rem; font-weight: 600;
}
.form-success.show { display: flex; }

/* --- footer --- */
footer { border-top: 1px solid var(--color-border); padding: 44px 0 30px; background: var(--color-bg-alt); }
.footer-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--color-ink-soft); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-ink); }
.footer-fine { color: var(--color-ink-soft); font-size: 0.82rem; margin-top: 24px; }

/* --- responsive --- */
@media (max-width: 900px) {
  .hero .row { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
  .split { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .demo-banner { grid-template-columns: 1fr; }
  .demo-mock { order: -1; }
}
@media (max-width: 640px) {
  .nav-links, .nav-actions .btn-ghost { display: none; }
  .modules-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .demo-banner { padding: 28px; }
}