/* Tarzana Dental Care — "Heritage Green"
   Bone + deep evergreen, brass hairlines. Marcellus display, Inter Tight body. */

:root {
  --bg: #faf9f6;
  --band: #f1efe9;
  --ink: #1c2e28;
  --muted: #6d7a74;
  --line: #ddd8cc;
  --brass: #c8bfa6;
  --brass-deep: #a99c78;
  --evergreen: #1c2e28;
  --display: "Marcellus", serif;
  --body: "Inter Tight", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.08; letter-spacing: 0.005em; }
h1 { font-size: clamp(2.7rem, 7vw, 5.4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.3rem; }

a { color: inherit; text-decoration: none; }
::selection { background: #1c2e28; color: #faf9f6; }

.eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--brass-deep);
  margin-bottom: 1.1rem;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem clamp(1.25rem, 4vw, 3.5rem);
  background: rgba(250,249,246,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: 0.8rem; }
.brand-monogram {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  background: var(--evergreen); color: var(--brass);
  font-family: var(--display); font-size: 1.2rem;
  border-radius: 4px;
}
.brand-name {
  font-family: var(--display); font-size: 1.05rem; letter-spacing: 0.04em;
  display: flex; flex-direction: column; line-height: 1.15;
}
.brand-sub {
  font-family: var(--body); font-weight: 500; font-size: 0.6rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted);
  margin-top: 2px;
}
.nav-links { display: flex; gap: 1.75rem; font-size: 0.88rem; font-weight: 500; }
.nav-links a { position: relative; padding: 0.25rem 0; }
.nav-links a:not(.soon)::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--brass-deep);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.nav-links a:not(.soon):hover::after { transform: scaleX(1); }
.soon { color: var(--muted); cursor: default; }
.soon sup {
  font-size: 0.5rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--brass-deep); margin-left: 3px;
}
.nav-cta { display: flex; align-items: center; gap: 1.25rem; }
.nav-phone { font-weight: 600; font-size: 0.88rem; font-variant-numeric: tabular-nums; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--body); font-weight: 600; font-size: 0.9rem;
  padding: 0.85rem 1.8rem;
  border: 1px solid transparent; border-radius: 2px;
  letter-spacing: 0.04em;
  transition: transform 0.25s, background 0.25s, color 0.25s, border-color 0.25s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--evergreen); color: var(--bg); padding: 0.65rem 1.4rem; font-size: 0.83rem; }
.btn-solid:hover { background: #142019; }
.btn-brass { background: var(--evergreen); color: var(--bg); border-color: var(--evergreen); }
.btn-brass:hover { background: transparent; color: var(--evergreen); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--evergreen); }
.btn-full { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(4.5rem, 11vh, 8.5rem) clamp(1.25rem, 4vw, 3.5rem) clamp(5rem, 12vh, 9rem);
}
.hero-year {
  position: absolute; right: -2vw; top: 50%;
  transform: translateY(-50%);
  font-family: var(--display);
  font-size: clamp(14rem, 34vw, 30rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  pointer-events: none; user-select: none;
}
.hero-inner { position: relative; max-width: 840px; }
.hero-sub { max-width: 36rem; margin-top: 1.75rem; font-size: 1.05rem; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.5rem; }

/* ---------- Heritage strip (signature) ---------- */
.heritage {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--band);
  padding: clamp(3.5rem, 8vh, 5.5rem) clamp(1.25rem, 4vw, 3.5rem);
}
.heritage-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.year-ticker {
  font-family: var(--display);
  font-size: clamp(4.5rem, 12vw, 9rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.brass-rule {
  display: block; height: 1px; background: var(--brass-deep);
  max-width: 420px; margin: 1.75rem auto 0;
  transform: scaleX(0); transform-origin: center;
  transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.brass-rule.drawn { transform: scaleX(1); }
.heritage-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: 820px; margin: 2.75rem auto 0; gap: 1rem;
}
.hstat strong {
  display: block; font-family: var(--display); font-weight: 400;
  font-size: 1.9rem; font-variant-numeric: tabular-nums;
}
.hstat span {
  font-size: 0.68rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.18em; color: var(--muted);
}

/* ---------- Sections ---------- */
.section { padding: clamp(4.5rem, 10vh, 7.5rem) clamp(1.25rem, 4vw, 3.5rem); }
.band { background: var(--band); }
.section-head { max-width: 1200px; margin: 0 auto 3.25rem; }

/* ---------- Services ---------- */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  max-width: 1200px; margin: 0 auto;
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.service {
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 2.25rem 2rem;
  transition: background 0.35s;
  position: relative;
}
.service::before {
  content: ""; position: absolute; left: 0; top: 0;
  width: 2px; height: 100%; background: var(--brass-deep);
  transform: scaleY(0); transform-origin: top; transition: transform 0.35s;
}
.service:hover { background: #fff; }
.service:hover::before { transform: scaleY(1); }
.service h3 { margin-bottom: 0.6rem; }
.service p { font-size: 0.92rem; color: var(--muted); }
.emergency {
  max-width: 1200px; margin: 2.5rem auto 0;
  font-size: 0.95rem; color: var(--muted);
}
.emergency a { font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--brass-deep); }

/* ---------- Doctor ---------- */
.doctor-grid {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 6rem);
  max-width: 1200px; margin: 0 auto; align-items: start;
}
.doctor-sub { margin-top: 1.5rem; color: var(--muted); max-width: 30rem; }
.cred-ladder { list-style: none; border-top: 1px solid var(--line); }
.cred-ladder li {
  padding: 1.4rem 0; border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: 130px 1fr; gap: 1.5rem;
  font-size: 0.98rem; align-items: baseline;
}
.cred-ladder li span {
  font-size: 0.68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.2em; color: var(--brass-deep);
}

/* ---------- Reviews (dark band) ---------- */
.dark { background: var(--evergreen); color: #f3f1ea; }
.dark .eyebrow { color: var(--brass); }
.quotes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 1200px; margin: 0 auto;
}
.quote { border-top: 1px solid rgba(200,191,166,0.35); padding-top: 1.5rem; }
.quote blockquote { font-family: var(--display); font-size: 1.12rem; line-height: 1.5; }
.quote figcaption {
  margin-top: 1rem;
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.2em; color: var(--brass);
}
.reviews-note {
  max-width: 1200px; margin: 3rem auto 0;
  font-size: 0.78rem; color: rgba(243,241,234,0.55);
}

/* ---------- Book ---------- */
.book-grid {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 6rem);
  max-width: 1200px; margin: 0 auto; align-items: start;
}
address { font-style: normal; margin-top: 1.5rem; color: var(--muted); }
.book-phone {
  display: inline-block; margin-top: 1.5rem;
  font-family: var(--display); font-size: 1.9rem;
  border-bottom: 1px solid var(--brass-deep);
  transition: color 0.25s;
}
.book-phone:hover { color: var(--brass-deep); }
.hours { margin-top: 1.75rem; border-collapse: collapse; font-size: 0.95rem; }
.hours td { padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.hours td:first-child { padding-right: 2.5rem; color: var(--muted); }

.form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label {
  display: grid; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--muted);
}
.form input, .form select, .form textarea {
  font-family: var(--body); font-size: 1rem; color: var(--ink);
  padding: 0.85rem 1rem;
  border: 1px solid var(--line); border-radius: 2px;
  background: #fff; width: 100%;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--evergreen);
  box-shadow: 0 0 0 3px rgba(28, 46, 40, 0.1);
}
.form input.invalid { border-color: #9c4a2f; }
.form textarea { resize: vertical; }
.form-fine { font-size: 0.72rem; color: var(--muted); text-align: center; }
.form-thanks {
  grid-column: 2; align-self: center;
  border: 1px solid var(--line); background: #fff; padding: 3rem;
}
.form-thanks h3 { font-size: 1.8rem; margin-bottom: 0.75rem; }
.form-thanks a { font-weight: 600; border-bottom: 1px solid var(--brass-deep); }

/* ---------- Footer ---------- */
.footer {
  background: var(--evergreen); color: rgba(243,241,234,0.85);
  padding: 4rem clamp(1.25rem, 4vw, 3.5rem) 2rem;
  border-top: 1px solid rgba(200,191,166,0.3);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem;
  max-width: 1200px; margin: 0 auto 3.5rem;
}
.footer-brand { color: #f3f1ea; }
.footer-brand .brand-sub { color: var(--brass); }
.footer p { font-size: 0.88rem; margin-top: 1rem; color: rgba(243,241,234,0.6); }
.footer-links { display: grid; gap: 0.6rem; font-size: 0.9rem; align-content: start; }
.footer-links a:hover:not(.soon) { color: #fff; }
.footer-links .soon { color: rgba(243,241,234,0.45); }
.footer-links .soon sup { color: var(--brass); }
.footer-contact a { font-family: var(--display); font-size: 1.3rem; color: #f3f1ea; }
.disclaimer {
  max-width: 1200px; margin: 0 auto;
  border-top: 1px solid rgba(243,241,234,0.15); padding-top: 1.5rem;
  font-size: 0.75rem; color: rgba(243,241,234,0.5);
}

/* ---------- Reveal motion ---------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.45s ease, transform 0.45s ease; }
.reveal.in { opacity: 1; transform: none; }

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

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .hero-year { opacity: 0.5; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .quotes-grid { grid-template-columns: 1fr 1fr; }
  .doctor-grid, .book-grid { grid-template-columns: 1fr; }
  .form-thanks { grid-column: 1; }
  .heritage-stats { grid-template-columns: 1fr 1fr; gap: 2rem 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .nav-phone { display: none; }
  .services-grid, .quotes-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cred-ladder li { grid-template-columns: 1fr; gap: 0.3rem; }
}