/* ============================================
   INTERO HEALTH — Global Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap');

/* --- Variables --- */
:root {
  --navy:       #1a2332;
  --navy-light: #243044;
  --slate:      #4a5568;
  --mist:       #8fa3b1;
  --cream:      #f7f5f0;
  --warm-white: #fdfcfa;
  --gold:       #b8913a;
  --gold-light: #d4a84b;
  --border:     rgba(26,35,50,0.12);
  --border-light: rgba(26,35,50,0.07);

  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;

  --max-width: 1100px;
  --section-pad: 6rem 2rem;
  --radius: 4px;
  --radius-lg: 12px;

  --transition: 0.25s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--navy);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { color: var(--slate); line-height: 1.8; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: var(--section-pad); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

/* --- Navigation --- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-nav.scrolled {
  background: rgba(253,252,250,0.97);
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(8px);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}
.nav-logo span { color: var(--gold); font-style: italic; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.825rem;
  font-weight: 400;
  color: var(--slate);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--navy); }
.nav-cta {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.6rem 1.4rem;
  border: 1px solid var(--navy);
  border-radius: 100px;
  color: var(--navy);
  transition: all var(--transition);
  letter-spacing: 0.03em;
}
.nav-cta:hover {
  background: var(--navy);
  color: var(--warm-white);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--navy);
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  position: relative;
  overflow: hidden;
  padding: 8rem 2rem 6rem;
}
.hero::before {
  content: 'intero';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: clamp(12rem, 22vw, 22rem);
  font-style: italic;
  color: rgba(255,255,255,0.035);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero .eyebrow { color: var(--gold-light); }
.hero h1 {
  color: var(--warm-white);
  max-width: 800px;
  margin-bottom: 1.75rem;
}
.hero h1 em { font-style: italic; color: rgba(255,255,255,0.75); }
.hero-body {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.825rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--warm-white);
}
.btn-primary:hover { background: var(--gold-light); }
.btn-outline {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--border);
}
.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--warm-white);
}
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bobble 2s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}
@keyframes bobble {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* --- Definition Block --- */
.definition {
  background: var(--cream);
  border-left: 3px solid var(--gold);
  padding: 2rem 2.5rem;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.definition .word {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-style: italic;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.definition .origin {
  font-size: 0.8rem;
  color: var(--mist);
  margin-bottom: 1rem;
}
.definition .meaning {
  font-size: 0.95rem;
  color: var(--slate);
  line-height: 1.8;
}

/* --- Team Cards --- */
.team-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow var(--transition);
}
.team-card:hover { box-shadow: 0 8px 40px rgba(26,35,50,0.08); }
.team-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 500;
  margin-bottom: 1.25rem;
}
.av-navy { background: var(--navy); color: var(--warm-white); }
.av-gold { background: var(--gold); color: var(--warm-white); }
.team-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: var(--navy);
}
.team-role {
  font-size: 0.8rem;
  color: var(--mist);
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
}
.team-bio { font-size: 0.9rem; line-height: 1.75; color: var(--slate); }

/* --- Service Cards --- */
.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  background: var(--warm-white);
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 24px rgba(184,145,58,0.1);
}
.service-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-style: italic;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1rem;
}
.service-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.service-desc { font-size: 0.875rem; color: var(--slate); line-height: 1.75; }

/* --- Section Themes --- */
.section-cream { background: var(--cream); }
.section-navy {
  background: var(--navy);
  color: var(--warm-white);
}
.section-navy h2 { color: var(--warm-white); }
.section-navy p { color: rgba(255,255,255,0.65); }
.section-navy .eyebrow { color: var(--gold-light); }

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border-light);
  margin: 0 2rem;
}

/* --- Track Banner --- */
.track-banner {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--cream);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--gold);
  margin-bottom: 2rem;
}
.track-banner .track-info h3 { font-size: 1.15rem; margin-bottom: 0.25rem; }
.track-banner .track-info .roles {
  font-size: 0.78rem;
  color: var(--mist);
  margin-bottom: 0.6rem;
}
.track-banner .track-info p { font-size: 0.875rem; }

/* --- Engagement Cards --- */
.engagement-card {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--warm-white);
}
.engagement-type {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.engagement-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}
.engagement-desc { font-size: 0.875rem; color: var(--slate); line-height: 1.75; }

/* --- CTA Strip --- */
.cta-strip {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta-strip h3 { color: var(--warm-white); font-size: 1.5rem; margin-bottom: 0.5rem; }
.cta-strip p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.cta-actions { display: flex; gap: 1rem; flex-shrink: 0; }

/* --- Bio Page --- */
.bio-header {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.bio-credentials {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.credential-group { margin-bottom: 1.5rem; }
.credential-group:last-child { margin-bottom: 0; }
.credential-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
  display: block;
}
.credential-item {
  font-size: 0.85rem;
  color: var(--slate);
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border-light);
  line-height: 1.5;
}
.credential-item:last-child { border-bottom: none; }

/* --- Contact Form --- */
.contact-form { max-width: 620px; }
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--navy);
  background: var(--warm-white);
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,145,58,0.1);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* --- Footer --- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.5);
  padding: 3rem 2rem;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
}
.footer-logo span { font-style: italic; color: var(--gold-light); }
.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-copy { font-size: 0.75rem; }

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .bio-header { grid-template-columns: 1fr; gap: 2rem; }
  .cta-strip { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .track-banner { flex-direction: column; gap: 1rem; }
}
@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--warm-white);
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 99;
  }
  .nav-links.open a { font-size: 1.2rem; }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 4rem 1.25rem; }
  .hero { padding: 7rem 1.25rem 5rem; }
}