/* ===========================
   Tri-City Dental — styles.css
   Palette: Deep Navy, Black & Champagne Gold (luxury)
=========================== */

:root {
  --navy: #142539;
  --navy-dark: #0d1b2c;
  --navy-darker: #0a141f;
  --black: #0a0a0c;
  --ivory: #f6f2e8;
  --ivory-light: #fcfaf4;
  --text-dark: #1b1c20;
  --text-muted: #65605a;
  --accent-gold: #c6a35e;
  --accent-gold-light: #e6d3a3;
  --accent-gold-dark: #a3813f;
  --white: #ffffff;
  --border: #e7e0cd;
  --shadow: 0 14px 36px rgba(8, 10, 14, 0.18);
  --radius: 14px;
  --max-width: 1140px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-dark);
  background: var(--ivory);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--navy-darker);
  line-height: 1.25;
  font-weight: 600;
}

h1, h2 {
  font-family: 'Playfair Display', 'Poppins', serif;
  font-weight: 700;
}

h3, h4 {
  font-family: 'Poppins', 'Inter', sans-serif;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.3rem; }

p { color: var(--text-muted); }

a {
  text-decoration: none;
  color: var(--navy-dark);
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-cream { background: var(--ivory); }
.section-white { background: var(--white); }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 10px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--navy-dark);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--navy-darker);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
  color: var(--navy-darker);
}
.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--navy-dark);
  color: var(--navy-dark);
}
.btn-outline-dark:hover {
  background: var(--navy-dark);
  color: var(--white);
}

/* ===== Header ===== */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--ivory-light);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s ease;
}

header.site-header.scrolled {
  box-shadow: var(--shadow);
}

.topbar {
  background: var(--black);
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.2px;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 6px;
}

.topbar a { color: var(--white); }
.topbar a:hover { color: var(--accent-gold); }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--navy-darker);
}

.logo svg { flex-shrink: 0; }

.logo .tagline {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

nav.main-nav a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--navy-dark);
}

nav.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gold);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--navy-darker);
  cursor: pointer;
}

/* ===== Hero ===== */
/* Full-bleed photo hero (drop a real image at images/hero-office.jpg —
   until then this gracefully falls back to the navy/black gradient below).
   The photo lives on ::before with a slow Ken Burns zoom/pan — a subtle
   "moving background" effect using pure CSS, no video file needed. */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 640px;
  color: var(--white);
  background-color: var(--navy-darker);
  overflow: hidden;
  padding: 110px 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  /* Real photo on top; navy/black gradient sits behind it as a fallback
     that only shows if the image file is missing or fails to load. */
  background-image:
    url('images/hero-office.jpg'),
    linear-gradient(135deg, var(--black), var(--navy-darker) 55%, var(--navy));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: heroPan 22s ease-in-out infinite alternate;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(115deg, rgba(8,10,14,0.93) 0%, rgba(8,10,14,0.72) 38%, rgba(8,10,14,0.32) 68%, rgba(8,10,14,0.12) 100%),
    radial-gradient(circle at 85% 20%, rgba(201,162,39,0.14), transparent 45%);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

@keyframes heroPan {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.14) translate(-2%, -1.5%); }
}

@media (prefers-reduced-motion: reduce) {
  .hero::before { animation: none; }
}

.hero-content { max-width: 560px; }

.hero h1 { color: var(--white); margin-bottom: 18px; }
.hero p.lead { color: rgba(255,255,255,0.9); font-size: 1.1rem; margin-bottom: 30px; max-width: 520px; }

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

.hero-badges {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-badges div { color: rgba(255,255,255,0.85); font-size: 0.85rem; }
.hero-badges strong { display: block; font-size: 1.4rem; color: var(--accent-gold); font-family: 'Poppins', sans-serif; }

/* page header (non-home pages) */
.page-header {
  background: linear-gradient(135deg, var(--black), var(--navy-darker) 55%, var(--navy));
  color: var(--white);
  padding: 70px 0;
  text-align: center;
}
.page-header h1 { color: var(--white); margin-bottom: 10px; }
.page-header p { color: rgba(255,255,255,0.9); max-width: 600px; margin: 0 auto; }

/* ===== Cards / Grids ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

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

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-gold-light); }

.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ivory);
  border: 1px solid var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--navy-dark);
}

.service-card h3 { margin-bottom: 8px; }
.service-card p { font-size: 0.92rem; margin-bottom: 14px; }
.service-card a { font-weight: 600; font-size: 0.9rem; color: var(--accent-gold); }

/* placeholder visual blocks (used instead of stock photography) */
.placeholder-visual {
  background: repeating-linear-gradient(135deg, var(--black) 0px, var(--black) 2px, var(--ivory-light) 2px, var(--ivory-light) 14px);
  border-radius: var(--radius);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
  padding: 30px;
  border: 1px solid var(--accent-gold-light);
}
.placeholder-visual .ph-inner {
  background: rgba(10, 10, 12, 0.85);
  padding: 24px 30px;
  border-radius: 10px;
}
.placeholder-visual span { font-weight: 600; color: var(--accent-gold-light); }

.office-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--accent-gold-light);
  box-shadow: var(--shadow);
}
.office-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.office-photo.landscape img { aspect-ratio: 16 / 9; }
.office-photo.portrait img { aspect-ratio: 3 / 4; }

.doctor-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--accent-gold-light);
  box-shadow: var(--shadow);
}
.doctor-photo img {
  width: 100%;
  display: block;
  aspect-ratio: 211 / 218;
  object-fit: cover;
}

/* ===== Why us / story sections ===== */
.story-block { display: flex; flex-direction: column; gap: 18px; }

/* ===== Membership / Pricing cards ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 8px;
  align-items: stretch;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 38px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured { border: 2px solid var(--accent-gold); }

.plan-badge {
  position: absolute;
  top: -14px;
  right: 28px;
  background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
  color: var(--navy-darker);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
}

.pricing-card .eyebrow { margin-bottom: 4px; }
.pricing-card h3 { margin-bottom: 0; }

.price-tag {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 20px 0 2px;
}
.price-tag .amount {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--navy-darker);
}
.price-tag .period { color: var(--navy-dark); opacity: 0.65; font-size: 1rem; }
.price-alt { color: var(--navy-dark); opacity: 0.65; font-size: 0.88rem; margin-bottom: 22px; }

.plan-list { list-style: none; display: flex; flex-direction: column; gap: 13px; margin: 4px 0 24px; flex-grow: 1; }
.plan-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.94rem; line-height: 1.4; }
.plan-list li svg { flex-shrink: 0; color: var(--accent-gold); margin-top: 3px; }

.plan-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-gold-dark);
  margin-bottom: 20px;
}

.plan-note {
  font-size: 0.85rem;
  color: var(--navy-dark);
  opacity: 0.75;
  background: var(--ivory);
  border-radius: 10px;
  padding: 18px 20px;
  margin-top: 8px;
}

/* ===== CTA banner ===== */
.cta-banner {
  background: var(--navy-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 50px;
  text-align: center;
  margin: 0 24px;
}
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.9); margin-bottom: 24px; }
.cta-banner-wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.cta-banner-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
footer.site-footer {
  background: var(--black);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-grid a, .footer-grid p {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 10px;
}
.footer-grid a:hover { color: var(--accent-gold); }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
}

/* ===== Forms ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--navy);
}

.form-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.hidden-field {
  display: none;
}

.success-message {
  display: none;
  background: #eaf0f6;
  border: 1px solid var(--navy);
  color: var(--navy-darker);
  padding: 14px 18px;
  border-radius: 8px;
  margin-top: 16px;
  font-weight: 500;
}

/* ===== Misc ===== */
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

.info-list { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; }
.info-list .icon-circle { margin-bottom: 0; flex-shrink: 0; }

.badge-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 20px; }
.badge-row span {
  background: var(--ivory);
  border: 1px solid var(--accent-gold-light);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy-darker);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .hero { min-height: 540px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  nav.main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ivory-light);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  nav.main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-actions .btn span.btn-text { display: none; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .cta-banner { padding: 36px 24px; }
  .hero { min-height: 460px; padding: 80px 0; }
}