/* SalusVita Tech — Editorial design system */

:root {
  --bg: #FBFAF7;
  --surface: #FFFFFF;
  --surface-2: #F4F2ED;
  --surface-ink: #141210;
  --border: #E8E4DC;
  --border-strong: #D4CEC2;

  --text-hi: #141210;
  --text-mid: #5C564E;
  --text-lo: #8B8478;
  --text-inv: #FBFAF7;

  --brand: #0F8F88;         /* SalusVita teal — matches logo */
  --brand-ink: #08605A;
  --brand-soft: #E3EFEE;

  --ok: #2E6D4A;
  --err: #9B3D2E;
  --warn: #8C6914;

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 150ms var(--ease);
  --t: 220ms var(--ease);

  --radius-md: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(20,18,16,0.04), 0 1px 1px rgba(20,18,16,0.03);
  --shadow-md: 0 4px 16px rgba(20,18,16,0.06), 0 1px 3px rgba(20,18,16,0.04);
  --shadow-lg: 0 20px 48px rgba(20,18,16,0.08), 0 4px 12px rgba(20,18,16,0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; background: none; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
section { padding: 96px 0; }
.page-top { padding-top: 140px; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head h1, .section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--text-hi);
  margin-bottom: 18px;
  text-wrap: balance;
}
.section-head p { font-size: 17px; color: var(--text-mid); line-height: 1.6; max-width: 620px; }

.eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-lo); font-weight: 500;
  margin-bottom: 18px; display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ''; width: 18px; height: 1px; background: var(--text-lo); }

.italic-serif { font-family: var(--font-display); font-style: italic; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 8px;
  font-size: 14px; font-weight: 500;
  transition: background var(--t), color var(--t), border-color var(--t), opacity var(--t);
  cursor: pointer; border: 1px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--text-hi); color: var(--text-inv); border-color: var(--text-hi); }
.btn-primary:hover { opacity: 0.88; }
.btn-ghost { background: transparent; color: var(--text-hi); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-brand { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-brand:hover { background: var(--brand-ink); border-color: var(--brand-ink); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }

.fade-in { animation: fadeIn 220ms var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

::selection { background: var(--brand-ink); color: var(--text-inv); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 5px; border: 2px solid var(--bg); }

/* Page-grid helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.grid-cell { padding: 32px 30px; background: var(--bg); }

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr) !important; }
  section { padding: 56px 0; }
  .page-top { padding-top: 110px; }
  .container { padding: 0 20px; }
  .section-head { margin-bottom: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
  .features-grid { grid-template-columns: repeat(2, 1fr) !important; }
  [data-arq-row="true"] > div:first-child { border-right: none !important; border-bottom: 1px solid var(--border); }
}

@media (max-width: 720px) {
  .modules-grid { grid-template-columns: 1fr !important; }
  .more-box { grid-template-columns: 1fr !important; padding: 28px 24px !important; gap: 28px !important; }
  .footer-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
  [data-col-stack="true"] { grid-template-columns: 1fr !important; gap: 20px !important; }
  h1, .section-head h1, .section-head h2 { text-wrap: balance; }
  .card { padding: 20px !important; }
  [data-beds-grid="true"] { grid-template-columns: repeat(2, 1fr) !important; }
  [data-states-grid="true"] { grid-template-columns: repeat(2, 1fr) !important; }
  [data-kv-grid="true"] { grid-template-columns: repeat(2, 1fr) !important; gap: 14px !important; }
  [data-diets-grid="true"] { grid-template-columns: repeat(3, 1fr) !important; }
  [data-batch-grid="true"] { grid-template-columns: repeat(2, 1fr) !important; }
  [data-mockup-scroll="true"] { overflow-x: auto !important; -webkit-overflow-scrolling: touch; }
  [data-label-preview="true"] { width: 100% !important; max-width: 340px; }
}

@media (max-width: 560px) {
  section { padding: 44px 0; }
  .page-top { padding-top: 92px; }
  .container { padding: 0 16px; }
  .features-grid { grid-template-columns: 1fr !important; }
  [data-beds-grid="true"] { grid-template-columns: 1fr 1fr !important; }
  [data-states-grid="true"] { grid-template-columns: 1fr 1fr !important; }
  [data-batch-grid="true"] { grid-template-columns: 1fr !important; }
  [data-diets-grid="true"] { grid-template-columns: repeat(2, 1fr) !important; }
  [data-timeline-grid="true"] { grid-template-columns: 1fr !important; row-gap: 2px !important; }
  [data-timeline-grid="true"] > *:first-child { grid-column: 1; }
  .btn { white-space: normal; }
  .nav-login-btn { padding: 8px 10px !important; font-size: 12px !important; }
  .nav-lang-hide { display: none !important; }
  .nav-logo-scale img { height: 44px !important; }
}