/*
Theme Name: Universal Dental Theme
Theme URI: https://universaldentalclinic.com
Description: Single-page braces offer landing page theme
Author: Universal Dental Clinic
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: universal-dental
*/

:root {
  --primary: #0457bd;
  --primary-ink: #05316a;
  --bg: #ffffff;
  --text: #0b1220;
  --muted: #5b6475;
  --border: rgba(11, 18, 32, 0.12);
  --card: rgba(255, 255, 255, 0.92);
  --alt: rgba(4, 87, 189, 0.06);
  --shadow: 0 12px 30px rgba(5, 49, 106, 0.10);
  --radius: 14px;
  --container: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.74);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: none;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.nav a:hover { text-decoration: underline; text-decoration-color: var(--primary); }

.nav-mobile { display: inline-flex; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover { box-shadow: 0 16px 44px rgba(5, 49, 106, 0.14); }

.btn-ghost {
  background: rgba(4,87,189,0.08);
  color: var(--primary-ink);
  border-color: rgba(4,87,189,0.14);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 54px 0;
}

.hero:before,
.hero:after {
  content: "";
  position: absolute;
  width: 640px;
  height: 640px;
  border-radius: 999px;
  filter: blur(64px);
  background: rgba(4, 87, 189, 0.14);
  z-index: -1;
}

.hero:before { left: -320px; top: -320px; }
.hero:after { right: -360px; bottom: -360px; background: rgba(4, 87, 189, 0.10); }

.hero-grid {
  display: grid;
  gap: 28px;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h3 { margin: 0; font-size: 18px; letter-spacing: -0.01em; }

.text-primary { color: var(--primary); }

.lead {
  margin: 14px 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 18px;
}

.stat {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--card);
}

.stat .k { color: var(--muted); font-size: 13px; }
.stat .v { font-size: 18px; font-weight: 700; margin-top: 4px; }

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card.accent {
  background: rgba(4, 87, 189, 0.06);
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
}

.small { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.fineprint { margin: 12px 0 0; color: var(--muted); font-size: 12px; }

.form-embed { margin-top: 12px; min-height: 220px; }

.section { padding: 54px 0; }
.section.alt { background: var(--alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.muted { color: var(--muted); }

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.big { font-size: 44px; font-weight: 800; letter-spacing: -0.02em; }

.bullets { margin: 14px 0 0; padding: 0 0 0 18px; color: var(--text); }
.bullets li { margin: 8px 0; }

.faq {
  max-width: 820px;
  margin-top: 18px;
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--card);
  box-shadow: var(--shadow);
}

details + details { margin-top: 10px; }

summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }

details p { margin: 10px 0 0; color: var(--muted); }

.details { margin: 12px 0 0; padding-left: 18px; }
.details li { margin: 8px 0; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0;
}

.footer-inner {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}

@media (min-width: 860px) {
  .nav { display: flex; }
  .nav-mobile { display: none; }
  .hero-grid { grid-template-columns: 1.2fr 0.8fr; align-items: start; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .split { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}