/* =========================================================
   OZENCA — design tokens
   Signature: the Equilibrium mark — two nodes finding
   center on a line. Maternal health and gut health are the
   two sides Ozenca keeps in balance; the mark says so
   everywhere: logo, hero, section dividers, footer.
   ========================================================= */

:root{
  --ink:      #0E4170;   /* Ozenca brand navy, sampled from logo — primary text & dark surfaces */
  --plum:     #0A2D4E;   /* deeper navy, used sparingly for depth (footer, quotes) */
  --paper:    #FBF6EE;   /* warm paper background */
  --paper-2:  #F3EBDC;   /* slightly deeper paper, for alternating sections */
  --coral:    #E2896F;   /* warm accent — maternal side */
  --sage:     #7E9E86;   /* soft green accent — gut side */
  --gold:     #C79A56;   /* muted gold — prescription / clinical marker */
  --line:     #DCD3C4;   /* hairline rule colour */
  --white:    #FFFFFF;

  --font-display: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --font-body:    "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --radius: 4px;
  --max: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; }
.container{ max-width:var(--max); margin:0 auto; padding:0 28px; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sage);
  display:inline-block;
  margin-bottom:14px;
}
.eyebrow.coral{ color:var(--coral); }
.eyebrow.gold{ color:var(--gold); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:3px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 26px;
  border-radius:100px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:14.5px;
  border:1px solid var(--ink);
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease;
}
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:var(--plum); border-color:var(--plum); transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--paper); }
.btn-coral{ background:var(--coral); border-color:var(--coral); color:var(--white); }
.btn-coral:hover{ transform:translateY(-1px); filter:brightness(1.05); }
.btn-sm{ padding:9px 18px; font-size:13px; }

/* ---------- header ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(251,246,238,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-size:21px; font-weight:600; color:var(--ink); }
.brand svg{ width:30px; height:30px; }
nav.main-links{ display:flex; gap:32px; font-size:14.5px; font-weight:500; }
nav.main-links a{ position:relative; padding:4px 0; }
nav.main-links a.active{ color:var(--coral); }
nav.main-links a::after{
  content:""; position:absolute; left:0; bottom:-3px; width:0; height:1.5px; background:var(--coral);
  transition:width .2s ease;
}
nav.main-links a:hover::after{ width:100%; }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:none; font-size:22px; cursor:pointer; }

@media (max-width:860px){
  nav.main-links{ display:none; }
  .nav-toggle{ display:block; }
  .nav-actions .btn{ padding:9px 16px; font-size:13px; }
}
nav.mobile-links{
  display:none; flex-direction:column; gap:0; border-top:1px solid var(--line);
  background:var(--paper);
}
nav.mobile-links.open{ display:flex; }
nav.mobile-links a{ padding:16px 28px; border-bottom:1px solid var(--line); font-weight:500; }

/* ---------- equilibrium divider ---------- */
.divider{
  display:flex; align-items:center; gap:16px; margin:0 auto; max-width:var(--max);
  padding:0 28px;
}
.divider .rule{ flex:1; height:1px; background:var(--line); }
.divider .node{ width:9px; height:9px; border-radius:50%; background:var(--coral); flex-shrink:0; }
.divider .node.sage{ background:var(--sage); }

/* ---------- hero ---------- */
.hero{
  padding-top:88px; padding-bottom:64px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;
}
.hero h1{ font-size:clamp(38px,5vw,60px); }
.hero .lede{ font-size:18px; max-width:480px; color:#3d4a48; }
.hero-actions{ display:flex; gap:14px; margin-top:28px; flex-wrap:wrap; }
.hero-graphic{ position:relative; }

@media (max-width:860px){
  .hero{ grid-template-columns:1fr; padding-top:48px; padding-bottom:40px; text-align:left; }
  .hero-graphic{ order:-1; margin-bottom:8px; }
}

/* balance mark animation */
@media (prefers-reduced-motion:no-preference){
  .orbit{ animation:orbit 9s ease-in-out infinite; transform-origin:center; }
  .orbit.b{ animation-delay:-4.5s; }
  .settle{ animation:settle 1.4s cubic-bezier(.2,.8,.2,1) both; }
}
@keyframes orbit{
  0%,100%{ transform:translateY(0px); }
  50%{ transform:translateY(-6px); }
}
@keyframes settle{
  from{ opacity:0; transform:translateY(10px); }
  to{ opacity:1; transform:translateY(0); }
}

/* ---------- trust bar ---------- */
.trust-bar{
  background:var(--ink); color:var(--paper);
  padding:18px 0;
}
.trust-row{ display:flex; flex-wrap:wrap; gap:28px; justify-content:space-between; font-family:var(--font-mono); font-size:12.5px; letter-spacing:.04em; }
.trust-row span{ opacity:.9; }

/* ---------- sections ---------- */
section{ padding:80px 0; }
.section-alt{ background:var(--paper-2); }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* balance split (two pillars) */
.pillars{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.pillar{ background:var(--paper); padding:44px; }
.pillar h3{ font-size:26px; }
.pillar .tag{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; }
.pillar.maternal .tag{ color:var(--coral); }
.pillar.gut .tag{ color:var(--sage); }
.pillar ul{ margin:18px 0 0; padding:0; list-style:none; }
.pillar li{ padding:9px 0; border-top:1px solid var(--line); font-size:15px; }
.pillar li:first-child{ border-top:none; }
@media (max-width:760px){ .pillars{ grid-template-columns:1fr; } }

/* product grid */
.grid-5{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
@media (max-width:960px){ .grid-5{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid-5{ grid-template-columns:1fr; } }

.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; display:flex; flex-direction:column; gap:12px;
  transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{ box-shadow:0 14px 30px -20px rgba(30,54,52,.35); transform:translateY(-2px); }
.card .rx{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:11px;
  letter-spacing:.08em; color:var(--gold); border:1px solid var(--gold); border-radius:100px; padding:3px 10px; width:fit-content;
}
.card h4{ font-size:21px; margin-bottom:2px; }
.tbd{ font-family:var(--font-mono); font-size:11px; font-weight:400; color:var(--gold); text-transform:none; letter-spacing:0; }
.card .comp{ font-family:var(--font-mono); font-size:12.5px; color:#5b6b68; }
.card .desc{ font-size:14.5px; color:#3d4a48; flex:1; }
.card .card-actions{ display:flex; gap:10px; margin-top:6px; }

/* journey steps (genuine sequence) */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
@media (max-width:860px){ .steps{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .steps{ grid-template-columns:1fr; } }
.step{ padding-top:18px; border-top:2px solid var(--ink); }
.step .num{ font-family:var(--font-mono); font-size:12px; color:var(--coral); }
.step h4{ font-size:18px; margin:10px 0 6px; }
.step p{ font-size:14px; color:#4b5957; }

/* doctors */
.doc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.doc-grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:960px){ .doc-grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .doc-grid-4{ grid-template-columns:1fr; } }
@media (max-width:860px){ .doc-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .doc-grid{ grid-template-columns:1fr; } }
.doc-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.doc-photo{ height:210px; background:linear-gradient(135deg,var(--sage),var(--ink)); display:flex; align-items:center; justify-content:center; color:var(--paper); font-family:var(--font-display); font-size:16px; text-align:center; padding:16px; line-height:1.25; }
@media (max-width:560px){ .doc-photo{ height:260px; } }
.doc-body{ padding:20px; }
.doc-body h4{ font-size:18px; margin-bottom:2px; }
.doc-body .spec{ font-family:var(--font-mono); font-size:12px; color:var(--sage); margin-bottom:8px; display:block; }
.doc-body p{ font-size:13.5px; color:#4b5957; }

/* testimonial / quote */
.quote-block{ max-width:760px; margin:0 auto; text-align:center; }
.quote-block p.q{ font-family:var(--font-display); font-size:26px; font-weight:500; color:var(--plum); }
.quote-block .who{ font-family:var(--font-mono); font-size:12.5px; color:var(--sage); }

/* newsletter */
.newsletter{ background:var(--ink); color:var(--paper); border-radius:12px; padding:48px; display:flex; flex-wrap:wrap; gap:24px; align-items:center; justify-content:space-between; }
.newsletter h3{ color:var(--paper); font-size:24px; margin-bottom:6px; }
.newsletter p{ color:#cfe0ee; margin:0; }
.newsletter form{ display:flex; gap:10px; flex-wrap:wrap; }
.newsletter input[type=email]{
  padding:12px 16px; border-radius:100px; border:1px solid #1c4a70; background:#123a5c; color:var(--paper); min-width:240px; font-family:var(--font-body);
}
.newsletter input::placeholder{ color:#a9c4dc; }

/* forms */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:6px; }
.field.full{ grid-column:1/-1; }
label{ font-size:13px; font-weight:600; color:var(--plum); }
input, textarea, select{
  font-family:var(--font-body); font-size:14.5px; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius); background:var(--white); color:var(--ink);
}
textarea{ resize:vertical; min-height:120px; }

/* disclaimer */
.disclaimer{
  font-size:12.5px; color:#5b6b68; border-top:1px solid var(--line); padding-top:18px; margin-top:36px;
}

/* footer */
footer.site{ background:var(--plum); color:#d7e4f0; padding:56px 0 28px; margin-top:0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
footer.site h5{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:#7fa8cf; margin-bottom:14px; }
footer.site a{ display:block; padding:6px 0; font-size:14px; color:#d7e4f0; opacity:.9; }
footer.site a:hover{ opacity:1; text-decoration:underline; }
.footer-bottom{ border-top:1px solid #1c4a70; margin-top:36px; padding-top:20px; display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; font-size:12.5px; color:#9db9d4; }
.social-row{ display:flex; align-items:center; gap:16px; margin-top:14px; }
.social-row a{
  padding:0; display:inline-flex; align-items:center; justify-content:center;
  transition:transform .2s ease, opacity .2s ease; opacity:.92;
}
.social-row a:hover{ transform:translateY(-2px); opacity:1; }
.social-row img{ height:24px; width:auto; display:block; }
.footer-brand{ display:inline-flex; }
.logo-chip{ display:inline-flex; align-items:center; background:var(--white); padding:8px 14px; border-radius:8px; }
.logo-chip img{ height:20px; display:block; }
.brand-logo{ height:26px; display:block; }

/* utility */
.mt-lg{ margin-top:48px; }
.text-center{ text-align:center; }
.small{ font-size:13px; color:#5b6b68; }