/* =============================================
   HealthSci.AI — Shared Stylesheet
   All pages import this file
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600&display=swap');

/* ── RESET & BASE ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Outfit', sans-serif;
  color: var(--text-dark);
  background: #fff;
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; }

/* ── CSS VARIABLES ── */
:root {
  --orange:       #E87722;
  --orange-dark:  #c45e0e;
  --orange-light: #FFF4EC;
  --orange-mid:   #F5A855;
  --orange-border:#ffe8d0;
  --navy:         #0a1628;
  --navy-2:       #111d30;
  --navy-3:       #1a2d45;
  --teal:         #1D9E75;
  --teal-light:   #E1F5EE;
  --text-dark:    #0f1a2e;
  --text-mid:     #4a5568;
  --text-light:   #8fa3b8;
  --gray-100:     #f8f9fa;
  --gray-200:     #e9ecef;
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    18px;
  --radius-xl:    24px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,.08);
  --transition:   .2s ease;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, .serif { font-family: 'DM Serif Display', serif; }
h1 { font-size: clamp(36px, 5vw, 60px); line-height: 1.08; }
h2 { font-size: clamp(28px, 3.5vw, 42px); line-height: 1.12; }
h3 { font-size: clamp(20px, 2.5vw, 26px); line-height: 1.2; }
p  { font-size: 16px; line-height: 1.75; color: var(--text-mid); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif; font-size: 15px; font-weight: 500;
  cursor: pointer; border: none; transition: background var(--transition), border-color var(--transition);
}
.btn-primary  { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); }
.btn-outline  { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.2); }
.btn-outline:hover { border-color: rgba(255,255,255,.5); }
.btn-outline-dark { background: transparent; color: var(--orange); border: 1.5px solid var(--orange-border); }
.btn-outline-dark:hover { background: var(--orange-light); }
.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ── SECTION UTILITIES ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 48px; }
.section    { padding: 88px 48px; }
.section-eyebrow {
  font-size: 11px; font-weight: 700; color: var(--orange);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px;
}
.section-h2   { color: var(--text-dark); margin-bottom: 16px; }
.section-sub  { font-size: 16px; color: var(--text-mid); line-height: 1.75; max-width: 560px; margin-bottom: 48px; }
.section-sub.wide { max-width: 720px; }
.text-center  { text-align: center; }
.text-center .section-sub { margin-left: auto; margin-right: auto; }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: var(--navy);
  padding: 80px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(232,119,34,.07) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-eyebrow { font-size: 11px; font-weight: 700; color: var(--orange); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 4vw, 52px); margin-bottom: 18px; }
.page-hero h1 em { font-style: italic; color: var(--orange-mid); }
.page-hero p { font-size: 17px; color: var(--text-light); max-width: 600px; margin: 0 auto; line-height: 1.75; }

/* ── CARDS ── */
.card {
  background: #fff; border: 1.5px solid var(--orange-border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: border-color var(--transition), background var(--transition);
}
.card:hover { border-color: var(--orange); background: var(--orange-light); }
.card-dark {
  background: var(--navy-3); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg); padding: 28px;
}

/* ── PILLS & BADGES ── */
.pill {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 20px; text-transform: uppercase; letter-spacing: .6px;
}
.pill-orange { background: rgba(232,119,34,.12); color: var(--orange-dark); }
.pill-green  { background: rgba(29,158,117,.12); color: #085041; }
.pill-blue   { background: rgba(24,95,165,.1);   color: #185FA5; }
.pill-navy   { background: rgba(10,22,40,.07);   color: var(--navy); }

/* ── GRID HELPERS ── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }

/* ── ANIMATIONS ── */
@keyframes pulse-dot   { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.7)} }
@keyframes voice-bar   { from{transform:scaleY(.3)} to{transform:scaleY(1)} }
@keyframes ring-pulse  { 0%{transform:translate(-50%,-50%) scale(.85);opacity:.8} 100%{transform:translate(-50%,-50%) scale(1.1);opacity:0} }
@keyframes fade-up     { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

/* ── NAVIGATION ── */
#site-header .nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: 68px; background: #fff;
  border-bottom: 1px solid var(--orange-border);
  position: sticky; top: 0; z-index: 200;
}
#site-header .nav-logo { display: flex; align-items: center; gap: 10px; }
#site-header .nav-logo img { width: 34px; height: 34px; object-fit: contain; }
#site-header .nav-logo-text { font-size: 18px; font-weight: 600; color: var(--text-dark); letter-spacing: -.4px; }
#site-header .nav-logo-text span { color: var(--orange); }
#site-header .nav-links { display: flex; gap: 28px; list-style: none; }
#site-header .nav-links a {
  font-size: 14px; color: var(--text-mid); font-weight: 400;
  transition: color var(--transition); position: relative; padding-bottom: 2px;
}
#site-header .nav-links a:hover,
#site-header .nav-links a.active { color: var(--orange); }
#site-header .nav-links a.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--orange); border-radius: 2px;
}
#site-header .nav-right { display: flex; align-items: center; gap: 10px; }
#site-header .btn-ghost {
  background: transparent; color: var(--text-mid); border: none;
  padding: 9px 16px; border-radius: var(--radius-sm); font-size: 14px;
  cursor: pointer; font-family: 'Outfit', sans-serif; transition: color var(--transition);
}
#site-header .btn-ghost:hover { color: var(--orange); }
#site-header .btn-nav {
  background: var(--orange); color: #fff; border: none;
  padding: 10px 22px; border-radius: var(--radius-sm); font-size: 14px;
  font-weight: 500; cursor: pointer; font-family: 'Outfit', sans-serif;
  transition: background var(--transition);
}
#site-header .btn-nav:hover { background: var(--orange-dark); }
#site-header .btn-connect {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--orange); border: 1.5px solid var(--orange);
  background: transparent; padding: 8px 16px;
  border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  font-family: 'Outfit', sans-serif;
  text-decoration: none; cursor: pointer;
  transition: all var(--transition); white-space: nowrap;
}
#site-header .btn-connect:hover { background: var(--orange); color: #fff; }
#site-header .nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
#site-header .nav-hamburger span {
  display: block; width: 22px; height: 2px; background: var(--text-dark); border-radius: 2px;
}

/* ── FOOTER ── */
#site-footer .footer {
  background: #060e1c; padding: 64px 48px 32px;
}
#site-footer .footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 32px;
}
#site-footer .footer-brand img { width: 36px; height: 36px; object-fit: contain; margin-bottom: 12px; }
#site-footer .footer-brand-name { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 12px; }
#site-footer .footer-brand-name span { color: var(--orange); }
#site-footer .footer-brand-desc { font-size: 13px; color: #4a5568; line-height: 1.6; max-width: 260px; margin-bottom: 20px; }
#site-footer .footer-col h4 { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
#site-footer .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
#site-footer .footer-col ul a { font-size: 13px; color: #4a5568; transition: color var(--transition); }
#site-footer .footer-col ul a:hover { color: var(--orange); }
#site-footer .footer-exchanges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
#site-footer .exch-badge {
  font-size: 11px; font-weight: 600; color: #6b7f96;
  border: 1px solid rgba(255,255,255,.08); padding: 4px 10px;
  border-radius: 6px; transition: all var(--transition);
}
#site-footer .exch-badge:hover { color: var(--orange); border-color: rgba(232,119,34,.3); }
#site-footer .footer-bottom {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 24px; flex-wrap: wrap;
}
#site-footer .footer-copy { font-size: 12px; color: #2d3748; }
#site-footer .footer-disclaimer { font-size: 11px; color: #2d3748; line-height: 1.6; max-width: 640px; }
#site-footer .footer-legal-links { display: flex; gap: 20px; margin-top: 4px; flex-wrap: wrap; }
#site-footer .footer-legal-links a { font-size: 12px; color: #2d3748; transition: color var(--transition); }
#site-footer .footer-legal-links a:hover { color: var(--orange); }

/* ── TRUST BAR ── */
.trust-bar {
  background: var(--orange-light);
  border-top: 1px solid var(--orange-border);
  border-bottom: 1px solid var(--orange-border);
  padding: 16px 48px;
  display: flex; align-items: center; gap: 32px; overflow: hidden;
}
.trust-label { font-size: 11px; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: 1.5px; white-space: nowrap; }
.trust-logos { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.trust-logo  { font-size: 13px; font-weight: 600; color: #9a7a5a; }

/* ── MOBILE ── */
@media (max-width: 960px) {
  .container, .section { padding-left: 24px; padding-right: 24px; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  #site-header .nav { padding: 0 24px; }
  #site-header .nav-links { display: none; }
  #site-header .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 68px; left: 0; right: 0; background: #fff;
    padding: 20px 24px; gap: 16px; border-bottom: 1px solid var(--orange-border);
    box-shadow: var(--shadow-md); z-index: 199;
  }
  #site-header .nav-hamburger { display: flex; }
  #site-header .btn-ghost { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  #site-footer .footer-top { grid-template-columns: 1fr 1fr; }
  .trust-bar { padding: 14px 24px; }
  .page-hero { padding: 60px 24px; }
}
@media (max-width: 600px) {
  #site-footer .footer-top { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
}

/* ── Error display — used across all pages ── */
.error-box {
  background: #fef2f2;
  border: 1.5px solid #fecaca;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #991b1b;
  font-size: 14px;
  line-height: 1.6;
  /* Ensure sticky nav doesn't cover it when scrolled into view */
  scroll-margin-top: 88px;
}
.error-box code {
  font-family: monospace;
  font-size: 12px;
  background: rgba(153,27,27,.1);
  padding: 1px 5px;
  border-radius: 4px;
}