/* ==========================================================================
   Healivio Health — Global Stylesheet
   Design language: clean medical-tech, generous white space,
   navy/champagne-gold accent (matched to logo), high trust B2B tone.
   ========================================================================== */

:root {
  /* Color system — matched to Healivio logo palette */
  --color-navy: #1B3A56;
  --color-blue: #3D6289;
  --color-blue-light: #EAF0F6;
  --color-teal: #C98F45;
  --color-teal-light: #FBF1E2;
  --color-ink: #16233A;
  --color-body: #4A5872;
  --color-muted: #7C8AA0;
  --color-line: #E6E9F0;
  --color-bg: #FFFFFF;
  --color-bg-alt: #FAF9F6;

  /* Typography */
  --font-base: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing scale */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  /* Layout */
  --container-max: 1200px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.06), 0 1px 2px rgba(11, 37, 69, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.08);
  --shadow-lg: 0 20px 48px rgba(11, 37, 69, 0.12);

  --transition: 200ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.6rem, 5.5vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
p { max-width: 65ch; }
.text-lead {
  font-size: 1.3rem;
  color: var(--color-body);
  max-width: 52ch;
  line-height: 1.55;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-teal);
  display: inline-block;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}
.section { padding: var(--space-8) 0; }
.section-sm { padding: var(--space-6) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: var(--color-navy); color: #C9D6E8; }
.section-navy h2, .section-navy h3 { color: #fff; }

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-5);
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-blue);
  color: #fff;
}
.btn-primary:hover { background: #0F5296; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-line);
}
.btn-outline:hover { border-color: var(--color-blue); color: var(--color-blue); }
.btn-ghost-light {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.35);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.16); }
.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-navy);
}
.logo .logo-mark { color: var(--color-teal); }
.logo-icon { width: 30px; height: 30px; flex-shrink: 0; }
.footer-brand .logo-icon { width: 32px; height: 32px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-body);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-navy); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-teal);
}
.nav-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .nav-links { 
    position: fixed; inset: 66px 0 0 0; background: #fff;
    flex-direction: column; align-items: flex-start; padding: var(--space-4) var(--space-3);
    gap: var(--space-3); transform: translateX(100%); transition: transform var(--transition);
    border-top: 1px solid var(--color-line); overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px; width: 26px; z-index: 110;
  }
  .nav-toggle span { height: 2px; background: var(--color-navy); border-radius: 2px; }
  .nav-cta .btn-outline { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-8) 0 var(--space-7);
  background: linear-gradient(180deg, var(--color-blue-light) 0%, #fff 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}
.hero h1 { margin-bottom: var(--space-3); }
.hero-actions { display: flex; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: var(--space-5); margin-top: var(--space-6);
  padding-top: var(--space-4); border-top: 1px solid var(--color-line);
}
.hero-stat .num { font-size: 1.8rem; font-weight: 800; color: var(--color-navy); display: block; }
.hero-stat .label { font-size: 0.85rem; color: var(--color-muted); }
.hero-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-navy), var(--color-blue) 60%, var(--color-teal));
  position: relative;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  text-align: center;
  padding: var(--space-3);
}

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding: var(--space-7) 0 var(--space-5);
  background: linear-gradient(180deg, var(--color-blue-light) 0%, #fff 100%);
}
.breadcrumb {
  font-size: 0.85rem; color: var(--color-muted); margin-bottom: var(--space-2);
}
.breadcrumb a:hover { color: var(--color-blue); }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.card-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--color-teal-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--color-teal);
  font-size: 1.4rem;
}
.card h3 { margin-bottom: var(--space-1); }
.card p { font-size: 0.95rem; color: var(--color-body); margin-top: 6px; }

/* Pillar / business unit cards */
.pillar-card {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  height: 100%;
}
.pillar-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--color-teal-light);
  color: var(--color-teal);
  margin-bottom: var(--space-3);
}
.pillar-card ul { margin-top: var(--space-3); }
.pillar-card li {
  padding: 8px 0;
  border-top: 1px solid var(--color-line);
  font-size: 0.95rem;
  display: flex; align-items: center; gap: 10px;
}
.pillar-card li::before { content: "—"; color: var(--color-teal); font-weight: 700; }

/* ---------- Logos strip ---------- */
.logo-strip {
  display: flex; flex-wrap: wrap; gap: var(--space-5);
  align-items: center; justify-content: space-between;
  padding: var(--space-4) 0;
}
.logo-strip .placeholder-logo {
  height: 28px; min-width: 110px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); font-weight: 700; font-size: 0.9rem;
  letter-spacing: 0.02em; opacity: 0.6;
}

/* ---------- Process / steps ---------- */
.step {
  display: flex; gap: var(--space-3);
}
.step-num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-navy), var(--color-blue));
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  color: #fff;
  text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: var(--space-2); }
.cta-band p { color: #C9D6E8; margin: 0 auto var(--space-4); }
.cta-band .hero-actions { justify-content: center; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 14px 18px; font-size: 0.95rem; }
thead th { background: var(--color-bg-alt); color: var(--color-navy); font-weight: 700; }
tbody tr { border-top: 1px solid var(--color-line); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--color-navy); }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--color-line);
  border-radius: 8px;
  background: #fff;
  transition: border-color var(--transition);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--color-blue);
}
.form-note { font-size: 0.8rem; color: var(--color-muted); margin-top: var(--space-2); }

/* ---------- Contact info cards ---------- */
.contact-info-item {
  display: flex; gap: var(--space-3); align-items: flex-start;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-line);
}
.contact-info-item:first-child { border-top: none; }
.contact-info-item .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--color-blue-light); color: var(--color-blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy);
  color: #A9B7CC;
  padding: var(--space-6) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
}
.footer-brand .logo { color: #fff; }
.footer-brand p { color: #8798B3; font-size: 0.9rem; margin-top: var(--space-2); }
.footer-col h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-2); }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.92rem; color: #A9B7CC; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--space-3); border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem; color: #7286A3; flex-wrap: wrap; gap: var(--space-2);
}
.footer-legal { display: flex; gap: var(--space-3); }

/* ---------- Utilities ---------- */
.mt-1 { margin-top: var(--space-1); } .mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); } .mb-3 { margin-bottom: var(--space-3); }
.text-center { text-align: center; }
.flex { display: flex; } .items-center { align-items: center; } .gap-2 { gap: var(--space-2); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; aspect-ratio: 16/9; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-stats { flex-wrap: wrap; gap: var(--space-3); }
  .cta-band { padding: var(--space-4); }
  .section { padding: var(--space-6) 0; }
}