/* ==========================================================================
   INNATE DENTAL SOLUTIONS — ARCHITECTURAL MEDICAL DESIGN SYSTEM
   ========================================================================== */

:root {
  --bg-alabaster: #F9F8F6;
  --bg-white: #FFFFFF;
  --text-obsidian: #11161F;
  --text-slate: #4A5568;
  --surgical-teal: #0F4C45;
  --surgical-teal-dark: #09342F;
  --titanium-gold: #B89758;
  --border-hairline: #E2E0D8;
  --card-bg: #FFFFFF;
  --font-serif: 'Newsreader', 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-alabaster);
  color: var(--text-obsidian);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- HEADER --- */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-hairline);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 5%;
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-obsidian);
  letter-spacing: 0.05em;
}

.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--surgical-teal);
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-slate);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--surgical-teal);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-phone {
  text-decoration: none;
  color: var(--text-obsidian);
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary-sm {
  background-color: var(--surgical-teal);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s ease;
}

.btn-primary-sm:hover {
  background-color: var(--surgical-teal-dark);
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropbtn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-slate);
  cursor: pointer;
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  background-color: var(--bg-white);
  min-width: 200px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  border: 1px solid var(--border-hairline);
  z-index: 1;
  border-radius: 4px;
  padding: 8px 0;
}

.dropdown-content a {
  color: var(--text-obsidian);
  padding: 10px 16px;
  text-decoration: none;
  display: block;
  font-size: 0.85rem;
}

.dropdown-content a:hover {
  background-color: var(--bg-alabaster);
  color: var(--surgical-teal);
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* --- HERO EDITORIAL --- */
.hero-editorial {
  background-color: var(--bg-alabaster);
  padding: 80px 5%;
  border-bottom: 1px solid var(--border-hairline);
}

.hero-container {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--surgical-teal);
  border: 1px solid var(--border-hairline);
  background: var(--bg-white);
  padding: 6px 14px;
  margin-bottom: 24px;
  border-radius: 50px;
}

.trust-pill .dot {
  width: 6px;
  height: 6px;
  background-color: var(--surgical-teal);
  border-radius: 50%;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1.12;
  font-weight: 400;
  color: var(--text-obsidian);
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  color: var(--surgical-teal);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-slate);
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background-color: var(--surgical-teal);
  color: #FFFFFF;
  padding: 14px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--surgical-teal-dark);
}

.btn-secondary {
  color: var(--text-obsidian);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 20px;
  border: 1px solid var(--border-hairline);
  background: var(--bg-white);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--surgical-teal);
  color: var(--surgical-teal);
}

/* Clinical Metrics Bar */
.clinical-metrics {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-hairline);
}

.metric strong {
  display: block;
  font-size: 1.5rem;
  font-family: var(--font-serif);
  color: var(--text-obsidian);
}

.metric span {
  font-size: 0.85rem;
  color: var(--text-slate);
}

.metric-divider {
  width: 1px;
  height: 40px;
  background-color: var(--border-hairline);
}

.portrait-frame {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(17, 22, 31, 0.08);
  border: 1px solid var(--border-hairline);
  background: var(--bg-white);
}

.portrait-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.floating-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 12px 16px;
  border-radius: 4px;
  border: 1px solid var(--border-hairline);
}

.floating-caption strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-obsidian);
}

.floating-caption span {
  font-size: 0.75rem;
  color: var(--surgical-teal);
  font-weight: 600;
}

/* --- SECTIONS GENERAL --- */
.section-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 96px 5%;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--surgical-teal);
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--text-obsidian);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-slate);
  font-size: 1.05rem;
  max-width: 700px;
}

.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* --- SMILEGEN MODAL SECTION --- */
.smilegen-section {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-hairline);
}

.iframe-wrapper {
  margin-top: 48px;
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0,0,0,0.04);
}

/* --- SOLUTIONS GRID --- */
.solutions-section {
  background-color: var(--bg-alabaster);
  border-bottom: 1px solid var(--border-hairline);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.solution-card {
  background: var(--card-bg);
  border: 1px solid var(--border-hairline);
  border-radius: 6px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(17, 22, 31, 0.06);
}

.solution-card.featured {
  border-color: var(--surgical-teal);
  background: #FFFFFF;
}

.solution-card .badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-slate);
  margin-bottom: 16px;
}

.solution-card .badge.gold {
  color: var(--titanium-gold);
}

.solution-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--text-obsidian);
}

.solution-card .price {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--surgical-teal);
  margin-bottom: 12px;
}

.solution-card .price small {
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--text-slate);
}

.solution-card .price-detail {
  font-size: 0.9rem;
  color: var(--text-slate);
  margin-bottom: 24px;
  flex-grow: 1;
}

.promo-note {
  font-size: 0.75rem;
  color: var(--titanium-gold);
  font-weight: 600;
  margin-bottom: 16px;
  background: rgba(184, 151, 88, 0.08);
  padding: 8px;
  border-radius: 4px;
}

.card-link {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--surgical-teal);
}

/* --- ENGINEERING SHOWCASE --- */
.engineering-section {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-hairline);
}

.engineering-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.engineering-text .lead {
  font-size: 1.1rem;
  color: var(--text-slate);
  margin: 16px 0 32px 0;
}

.feature-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-checklist li strong {
  display: block;
  font-size: 1rem;
  color: var(--text-obsidian);
  margin-bottom: 4px;
}

.feature-checklist li span {
  font-size: 0.9rem;
  color: var(--text-slate);
}

.cad-card {
  background: var(--bg-alabaster);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 40px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.cad-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--surgical-teal);
  margin-bottom: 24px;
}

.layer-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.layer {
  background: var(--bg-white);
  border: 1px solid var(--border-hairline);
  padding: 16px 20px;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-slate);
  font-weight: 500;
}

.layer.highlight {
  border-color: var(--surgical-teal);
  background: rgba(15, 76, 69, 0.04);
  color: var(--surgical-teal);
  font-weight: 600;
}

/* --- COMPARISON SECTION --- */
.comparison-section {
  background-color: var(--bg-alabaster);
  border-bottom: 1px solid var(--border-hairline);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.comp-col {
  background: var(--bg-white);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 40px;
}

.comp-col.innate {
  border-color: var(--surgical-teal);
  box-shadow: 0 16px 32px rgba(15, 76, 69, 0.06);
}

.comp-col h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--text-obsidian);
}

.comp-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comp-col ul li {
  font-size: 0.95rem;
  color: var(--text-slate);
  position: relative;
  padding-left: 24px;
}

.comp-col.traditional ul li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: #C53030;
  font-weight: bold;
}

.comp-col.innate ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--surgical-teal);
  font-weight: bold;
}

.comp-col.innate ul li {
  color: var(--text-obsidian);
}

/* --- FOOTER --- */
.site-footer {
  background-color: var(--text-obsidian);
  color: #FFFFFF;
  padding: 80px 5% 40px 5%;
}

.footer-container {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-info .logo-text {
  color: #FFFFFF;
  margin-bottom: 16px;
  display: block;
}

.footer-info p {
  color: #A0AEC0;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.footer-links h4 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--titanium-gold);
}

.footer-links a {
  display: block;
  color: #A0AEC0;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  max-width: 1320px;
  margin: 40px auto 0 auto;
  font-size: 0.8rem;
  color: #718096;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-container, .engineering-grid, .comparison-grid, .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-nav {
    display: none;
  }
}

/* ==========================================================================
   ADDITIONS — required by the repaired markup. Nothing above is changed.
   ========================================================================== */

.skip-link { position:absolute; top:-48px; left:0; background:var(--surgical-teal);
  color:#FFFFFF; padding:10px 18px; z-index:9999; text-decoration:none;
  font-weight:600; border-radius:0 0 4px 0; }
.skip-link:focus { top:0; }

a:focus-visible, button:focus-visible {
  outline:2px solid var(--surgical-teal); outline-offset:2px; }

.lang-toggle { font-size:0.85rem; color:var(--text-slate); letter-spacing:0.04em; }
.lang-toggle .active { font-weight:700; color:var(--text-obsidian); }
.lang-toggle a { color:var(--text-slate); text-decoration:none; }
.lang-toggle a:hover { color:var(--surgical-teal); }

.section-header p a, .comp-col a, .promo-note a {
  color:var(--surgical-teal); font-weight:600; }
.card-link:hover { color:var(--surgical-teal-dark); }

.footer-info a { color:#A0AEC0; text-decoration:none; }
.footer-info a:hover { color:#FFFFFF; }
.footer-bottom a { color:#718096; text-decoration:underline; }
.footer-bottom a:hover { color:#FFFFFF; }

main { display:block; }

/* a centred section header's lead paragraph should centre too, not hug left */
.section-header.text-center p { margin-left:auto; margin-right:auto; }

/* both columns describe our own terms, so neither gets a red cross */
.comp-col.traditional ul li::before { color:var(--text-slate); }

/* --------------------------------------------------------------------------
   HEADER FIT.  The nav bar was only hidden below 1024px, so between 1024 and
   1320 the logo broke onto three lines and the links wrapped mid-word; below
   1024 the navigation simply disappeared with nothing in its place.
   Now: full bar at 1280 and up, tightening as it narrows, and a compact menu
   button below that carries every link.  The desktop design is untouched.
   -------------------------------------------------------------------------- */
.logo { flex:0 0 auto; }
.logo-text, .logo-sub, .header-phone { white-space:nowrap; }
.main-nav a, .dropbtn { white-space:nowrap; }
.header-actions { flex:0 0 auto; }

.nav-toggle {
  display:none; background:none; border:none; cursor:pointer;
  padding:8px; flex:0 0 auto; order:3; margin-left:4px;
}
.nav-toggle span {
  display:block; width:24px; height:2px; margin:5px 0;
  background:var(--text-obsidian); transition:transform .2s, opacity .2s;
}
.nav-toggle.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity:0; }
.nav-toggle.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

@media (max-width:1400px) {
  .main-nav { gap:22px; }
  .main-nav a, .dropbtn { font-size:0.86rem; }
  .header-actions { gap:16px; }
}

@media (max-width:1280px) {
  .nav-toggle { display:block; }
  /* with the nav out of normal flow, keep the actions beside the button
     instead of letting space-between strand them mid-header */
  .header-container { justify-content:flex-start; }
  .header-actions { margin-left:auto; }
  .main-nav {
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--bg-white); padding:4px 5% 18px;
    border-bottom:1px solid var(--border-hairline);
    box-shadow:0 18px 40px rgba(17,22,31,.10);
  }
  .main-nav.open { display:flex; }
  .main-nav > a, .main-nav .dropbtn {
    display:block; width:100%; text-align:left; padding:13px 0;
    font-size:0.95rem; border-bottom:1px solid var(--border-hairline);
  }
  .main-nav .dropdown { display:block; width:100%; }
  .main-nav .dropbtn { color:var(--text-obsidian); font-weight:600; cursor:default; }
  .dropdown-content, .dropdown:hover .dropdown-content {
    display:block; position:static; min-width:0; border:none;
    box-shadow:none; background:none; padding-left:18px;
  }
  .dropdown-content a { padding:11px 0; font-size:0.9rem;
    border-bottom:1px solid var(--border-hairline); }
  .dropdown-content a:last-child { border-bottom:none; }
}

@media (max-width:560px) {
  .header-phone { display:none; }
  .btn-primary-sm { padding:9px 14px; font-size:0.82rem; }
}

/* --------------------------------------------------------------------------
   SMILE PREVIEW.  The BiteBot widget paints its own light panel, which read as
   a mistake sitting on a white section and left dead space either side of it.
   On an obsidian field at the widget's own 800px width it reads as a card,
   which is how the current site already presents it.
   -------------------------------------------------------------------------- */
.smilegen-section { background-color:var(--text-obsidian); border-bottom:none; }
.smilegen-section .eyebrow { color:var(--titanium-gold); }
.smilegen-section .section-header h2 { color:#FFFFFF; }
.smilegen-section .section-header p { color:#C8CDD4; }
.smilegen-section .iframe-wrapper {
  max-width:800px; margin:40px auto 0; border:none; border-radius:10px;
  box-shadow:0 18px 50px rgba(0,0,0,.35);
}
/* the widget sizes itself to whatever frame it is given, so 800px left roughly
   300px of its own white background showing under the form */
.smilegen-section .iframe-wrapper iframe { display:block; width:100%; height:620px; }
@media (max-width:700px) {
  .smilegen-section .iframe-wrapper iframe { height:700px; }
}

@media (max-width:680px) {
  .hero-title { font-size:2.25rem; }
  .section-header h2 { font-size:1.9rem; }
  .solutions-grid { grid-template-columns:1fr; }
  .clinical-metrics { flex-wrap:wrap; gap:20px; }
  .section-container { padding:64px 5%; }
}