/* ─────────────────────────────────────────────────────────
   UPTOWN DENTAL — styles.css
   Navy / Pearl / Sapphire palette · Playfair Display + DM Sans
───────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --bg:           #F4F7FA;
  --bg-dark:      #0D1F33;
  --ink:          #0D1F33;
  --ink-muted:    #4A5E74;
  --ink-light:    #B8CCE0;
  --ink-faint:    rgba(184,204,224,.55);
  --accent:       #2771B8;
  --accent-deep:  #1A4F82;
  --accent-glow:  rgba(39,113,184,.35);
  --line:         rgba(13,31,51,.10);
  --line-light:   rgba(255,255,255,.12);
  --serif:        'Playfair Display', Georgia, serif;
  --sans:         'DM Sans', system-ui, sans-serif;
  --radius:       6px;
  --max:          1280px;
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); }
img, video { display: block; max-width: 100%; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
blockquote { quotes: none; }

/* ── LAYOUT UTILITIES ────────────────────────────────────── */
.ud-container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 2rem;
}

.ud-section {
  padding-block: 7rem;
}
.ud-pearl { background: var(--bg); }
.ud-dark  { background: var(--bg-dark); }

/* ── TYPOGRAPHY SCALE ─────────────────────────────────────  */
.ud-eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.ud-eyebrow--light {
  color: var(--accent);
  opacity: 0.9;
}

.ud-headline {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.ud-headline--light { color: #fff; }

.ud-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-muted);
  max-width: 56ch;
  margin-bottom: 3rem;
}
.ud-body--light { color: var(--ink-light); }

/* ── BUTTONS ────────────────────────────────────────────── */
.ud-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.875rem 2rem;
  border-radius: 100px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.ud-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--accent-glow);
}

.ud-btn--outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.4);
  color: #fff;
}
.ud-btn--outline:hover {
  background: rgba(255,255,255,.08);
  box-shadow: 0 8px 24px rgba(255,255,255,.08);
}

/* ── HERO ───────────────────────────────────────────────── */
.ud-hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ud-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.ud-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to top,  rgba(13,31,51,.88) 0%, rgba(13,31,51,.42) 38%, rgba(13,31,51,.12) 100%),
    linear-gradient(to right, rgba(13,31,51,.55) 0%, transparent 60%);
}

/* ── TOPBAR ─────────────────────────────────────────────── */
.ud-topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  width: 100%;
  margin-inline: auto;
  padding: 2rem 2rem 0;
}

.ud-wordmark {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #fff;
  white-space: nowrap;
}
.ud-wordmark-icon { flex-shrink: 0; }

.ud-nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.ud-nav-links a {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,.82);
  transition: color 0.2s;
}
.ud-nav-links a:hover { color: #fff; }

.ud-topbar-cta {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #fff;
  padding: 0.6rem 1.4rem;
  border: 1.5px solid rgba(255,255,255,.55);
  border-radius: 100px;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s;
}
.ud-topbar-cta:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.8);
}

/* ── HERO CONTENT ───────────────────────────────────────── */
.ud-hero-content {
  position: relative;
  z-index: 10;
  margin-top: auto;
  max-width: var(--max);
  width: 100%;
  margin-inline: auto;
  padding: 0 2rem 5rem;
}

.ud-hero .ud-eyebrow {
  color: var(--accent);
  opacity: 1;
  margin-bottom: 1.2rem;
}

.ud-hero-heading {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  color: #fff;
  margin-bottom: 1.4rem;
  max-width: 14ch;
}

.ud-hero-sub {
  font-family: var(--sans);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: rgba(255,255,255,.78);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}

/* ── EXPERIENCE GALLERY ─────────────────────────────────── */
.ud-exp-gallery {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.875rem;
  height: 560px;
}

.ud-exp-video {
  grid-row: 1 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-dark);
}
.ud-exp-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ud-exp-img {
  border-radius: var(--radius);
  overflow: hidden;
}
.ud-exp-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── OUR APPROACH — STATS ────────────────────────────────── */
.ud-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 1rem;
}

.ud-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: rgba(255,255,255,.04);
  gap: 0.6rem;
}

.ud-stat-num {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
}

.ud-stat-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
}

/* ── SERVICE CARDS ───────────────────────────────────────── */
.ud-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.ud-service-card {
  background: var(--bg-dark);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(13,31,51,.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.ud-service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 52px rgba(13,31,51,.22);
}

.ud-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.ud-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.ud-service-card:hover .ud-card-img img {
  transform: scale(1.04);
}

.ud-card-body {
  padding: 1.75rem 1.5rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.ud-card-body h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.7rem;
}
.ud-card-body > p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-light);
  margin-bottom: 1.25rem;
  flex: 1;
}

.ud-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.ud-card-tags li {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  border: 1px solid rgba(39,113,184,.5);
  color: #5EADEF;
}

/* ── REVIEWS ────────────────────────────────────────────── */
.ud-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.ud-review {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.25s;
}
.ud-review:hover { background: rgba(255,255,255,.08); }

.ud-stars {
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.ud-review-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,.88);
  flex: 1;
}

.ud-review-attr {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}
.ud-review-attr strong {
  display: block;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
}
.ud-review-attr span {
  font-size: 0.78rem;
  color: var(--ink-light);
  letter-spacing: 0.04em;
}

.ud-review-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.ud-footer {
  background: var(--bg-dark);
  padding-block: 6rem 4rem;
  border-top: 1px solid var(--line-light);
}

.ud-footer-name {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  color: #fff;
  margin-bottom: 1.25rem;
}

.ud-footer-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 2.25rem;
}
.ud-footer-details p {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink-light);
  line-height: 1.6;
}

.ud-copyright {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 2.5rem;
  letter-spacing: 0.04em;
}

/* ── REVEAL ANIMATIONS ───────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .reveal-ready {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-ready.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── RESPONSIVE — MOBILE ─────────────────────────────────── */
@media (max-width: 860px) {
  .ud-section { padding-block: 4.5rem; }
  .ud-container { padding-inline: 1.25rem; }

  /* Topbar: hide nav links, keep wordmark + CTA */
  .ud-nav-links { display: none; }
  .ud-topbar { padding-top: 1.5rem; }
  .ud-hero-heading { font-size: clamp(2.4rem, 9vw, 3.2rem); }

  /* Experience gallery: stack to 1 column */
  .ud-exp-gallery {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    height: auto;
  }
  .ud-exp-video {
    grid-row: auto;
    aspect-ratio: 3 / 4;
  }
  .ud-exp-img { aspect-ratio: 4 / 3; }

  /* Stats: 1 column */
  .ud-stats-row {
    grid-template-columns: 1fr;
    background: none;
    border: none;
    gap: 1px;
  }
  .ud-stat {
    border: 1px solid var(--line-light);
    border-radius: var(--radius);
  }

  /* Service cards: 1 column */
  .ud-services-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* Reviews: 1 column */
  .ud-reviews-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}