/* ============================================================
   DCT Dental — Visual Identity
   Serif display: Cormorant Garamond  ·  Body: DM Sans
   Palette: black ink · warm off-white · gold accent
   ============================================================ */

:root {
  --ink: #111111;
  --ink-soft: #3a3a3a;
  --ink-faint: #6b6b6b;
  --cream: #faf6f0;
  --cream-deep: #f2ece2;
  --white: #fffdf9;
  --mint: #c9a84c;
  --mint-soft: #f2e4b8;
  --teal: #a8831f;
  --teal-deep: #7d6018;
  --line: rgba(17, 17, 17, 0.12);
  --line-light: rgba(250, 246, 240, 0.14);

  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "DM Sans", "Helvetica Neue", sans-serif;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-card: 0 1px 2px rgba(17, 17, 17, 0.04), 0 12px 32px -12px rgba(17, 17, 17, 0.12);
  --shadow-lift: 0 2px 4px rgba(17, 17, 17, 0.05), 0 24px 48px -16px rgba(17, 17, 17, 0.18);
}

/* ---------- Reset & base ---------- */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--mint); color: var(--ink); }

.container {
  width: min(1180px, 100% - 3rem);
  margin-inline: auto;
}

/* ---------- Typography ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--teal);
  opacity: 0.6;
}

.section-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  max-width: 18ch;
}

.section-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--teal);
}

.section-lede {
  font-size: 1.0625rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin-top: 1.25rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 999px;
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out),
              border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.btn .btn-arrow { transition: transform 0.3s var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-dark {
  background: var(--ink);
  color: var(--cream);
}
.btn-dark:hover { background: var(--teal-deep); }

.btn-mint {
  background: var(--mint);
  color: var(--ink);
}
.btn-mint:hover { background: var(--white); }

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Header / Nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 240, 0.78);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease-out);
}

.site-header.is-scrolled { border-bottom-color: var(--line); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  height: 4rem;
  width: auto;
  display: block;
}

.brand-mark {
  width: 2.375rem;
  height: 2.375rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--mint);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-name span { font-style: italic; font-weight: 500; color: var(--teal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-links a:not(.btn) {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.25rem 0;
  transition: color 0.25s var(--ease-out);
}

.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn)[aria-current="page"] { color: var(--ink); }

.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn)[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-links .btn { padding: 0.6875rem 1.5rem; }

/* Hamburger */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.35s var(--ease-out), opacity 0.25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(4rem, 8vw, 6.5rem);
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -12%;
  width: 56vw;
  height: 56vw;
  max-width: 760px;
  max-height: 760px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--mint-soft) 0%, rgba(223, 242, 236, 0) 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.hero-title {
  font-size: clamp(3rem, 7.5vw, 5.75rem);
  line-height: 0.98;
}

.hero-title .line { display: block; }
.hero-title .line.accent {
  font-style: italic;
  font-weight: 500;
  color: var(--teal);
}
.hero-title .line.indent { padding-left: clamp(1.5rem, 4vw, 4rem); }

.hero-sub {
  margin-top: 1.75rem;
  font-size: 1.125rem;
  color: var(--ink-soft);
  max-width: 44ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 2.75rem;
  font-size: 0.875rem;
  color: var(--ink-faint);
}

.hero-note .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px var(--mint-soft);
}

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }

/* Transparent line-art image floats over the animated decorations */
.hero-art .hero-chair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 116%;
  max-width: none;
  height: auto;
  transform: translate(-50%, -50%);
  animation: chair-float 7s ease-in-out infinite;
}

.hero-art .spin-slow {
  animation: spin 36s linear infinite;
  transform-origin: center;
  transform-box: fill-box;
}

.hero-art .float-fast { animation: float 5s ease-in-out 0.8s infinite; }

@keyframes chair-float {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% - 12px)); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Marquee strip ---------- */

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.125rem 0;
  overflow: hidden;
  background: var(--cream-deep);
}

.strip-track {
  display: flex;
  gap: 3.5rem;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.strip span {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--ink-soft);
  white-space: nowrap;
}

.strip span::after { content: "✦"; font-style: normal; color: var(--teal); font-size: 0.75rem; }

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Dark technology section ---------- */

.section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }

.section-dark {
  background: var(--ink);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.section-dark::before {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 640px;
  max-height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.10) 0%, transparent 70%);
  pointer-events: none;
}

.section-dark .eyebrow { color: var(--mint); }
.section-dark .eyebrow::before { background: var(--mint); }
.section-dark .section-title em { color: var(--mint); }
.section-dark .section-lede { color: rgba(250, 246, 240, 0.65); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  flex-wrap: wrap;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.icon-card {
  position: relative;
  padding: 2rem 1.75rem;
  border: 1px solid var(--line-light);
  border-radius: 1rem;
  background: rgba(250, 246, 240, 0.03);
  transition: background-color 0.35s var(--ease-out), border-color 0.35s var(--ease-out),
              transform 0.35s var(--ease-out);
}

.icon-card:hover {
  background: rgba(201, 168, 76, 0.07);
  border-color: rgba(201, 168, 76, 0.35);
  transform: translateY(-4px);
}

.icon-card .icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(201, 168, 76, 0.12);
  color: var(--mint);
  margin-bottom: 1.375rem;
}

.icon-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.625rem;
}

.icon-card p {
  font-size: 0.9375rem;
  color: rgba(250, 246, 240, 0.62);
  line-height: 1.6;
}

.icon-card .card-num {
  position: absolute;
  top: 1.625rem;
  right: 1.625rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: rgba(250, 246, 240, 0.28);
}

/* ---------- FAQ ---------- */

.faq-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.faq-list { border-top: 1px solid var(--line); }

.faq-item { border-bottom: 1px solid var(--line); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.625rem 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 600;
  transition: color 0.25s var(--ease-out);
}

.faq-question:hover { color: var(--teal); }

.faq-icon {
  flex-shrink: 0;
  width: 2.125rem;
  height: 2.125rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
              transform 0.4s var(--ease-out);
}

.faq-icon::before {
  content: "+";
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1;
}

.faq-item.is-open .faq-icon {
  background: var(--mint);
  border-color: var(--mint);
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease-out);
}

.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }

.faq-answer-inner { overflow: hidden; }

.faq-answer p {
  padding: 0 3.5rem 1.625rem 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

/* ---------- CTA banner ---------- */

.cta-banner {
  position: relative;
  overflow: hidden;
  background: var(--teal-deep);
  color: var(--cream);
  border-radius: 1.5rem;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.75rem, 5vw, 5rem);
  text-align: center;
}

.cta-banner::before,
.cta-banner::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(143, 217, 198, 0.25);
  pointer-events: none;
}

.cta-banner::before { width: 26rem; height: 26rem; top: -14rem; left: -8rem; }
.cta-banner::after { width: 20rem; height: 20rem; bottom: -11rem; right: -6rem; }

.cta-banner h2 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  margin-inline: auto;
  max-width: 16ch;
}

.cta-banner h2 em { font-style: italic; font-weight: 500; color: var(--mint); }

.cta-banner p {
  margin: 1.25rem auto 2.25rem;
  max-width: 46ch;
  color: rgba(250, 246, 240, 0.72);
}

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
  text-align: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 70vw;
  height: 70vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--mint-soft) 0%, rgba(223, 242, 236, 0) 65%);
  pointer-events: none;
}

.page-hero .eyebrow { justify-content: center; }
.page-hero .eyebrow::after {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--teal);
  opacity: 0.6;
}

.page-hero h1 {
  position: relative;
  font-size: clamp(2.75rem, 6.5vw, 4.75rem);
}

.page-hero h1 em { font-style: italic; font-weight: 500; color: var(--teal); }

.page-hero p {
  position: relative;
  margin: 1.375rem auto 0;
  max-width: 54ch;
  color: var(--ink-soft);
}

/* ---------- Team ---------- */

.doctor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* expand to repeat(3, 1fr) when third doctor is added */
  gap: 1.5rem;
  max-width: 56rem;
  margin-inline: auto;
}

.doctor-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.doctor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }

.doctor-portrait {
  position: relative;
  background: linear-gradient(160deg, var(--white), var(--cream-deep));
  padding: 2rem 0 0;
  display: flex;
  justify-content: center;
}

.doctor-portrait svg { width: 64%; height: auto; }

.doctor-portrait .portrait-line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.doctor-body { padding: 1.75rem 1.75rem 2rem; }

.doctor-name { font-size: 1.75rem; }

.doctor-creds {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-top: 0.25rem;
}

.doctor-bio {
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  background: var(--mint-soft);
  color: var(--teal-deep);
}

/* Hygienists */

.hygienist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.hygienist-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.375rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.hygienist-card:hover { border-color: var(--mint); transform: translateY(-3px); }

.hygienist-avatar {
  flex-shrink: 0;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 600;
  font-style: italic;
  background: var(--mint-soft);
  color: var(--teal-deep);
}

.hygienist-card h3 { font-size: 1.1875rem; }

.hygienist-card p { font-size: 0.8125rem; color: var(--ink-faint); }

/* ---------- Services ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  position: relative;
  padding: 2.25rem 2rem 2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out),
              border-color 0.4s var(--ease-out);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: var(--mint);
}

.service-art {
  height: 5.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
}

.service-art svg { height: 100%; width: auto; }

.service-art .sketch {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-art .sketch-fill { fill: var(--mint-soft); stroke: none; }

.service-card h3 { font-size: 1.625rem; margin-bottom: 0.625rem; }

.service-card p { font-size: 0.9375rem; color: var(--ink-soft); }

.service-card .card-num {
  position: absolute;
  top: 1.75rem;
  right: 1.75rem;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-faint);
  opacity: 0.55;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -10%;
  width: 40vw;
  height: 40vw;
  max-width: 520px;
  max-height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 217, 198, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-light);
}

.footer-brand .brand-mark { background: var(--mint); color: var(--ink); }

.footer-tagline {
  margin-top: 1.25rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1875rem;
  color: rgba(250, 246, 240, 0.7);
  max-width: 24ch;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 1.375rem;
}

.footer-col ul { list-style: none; display: grid; gap: 0.75rem; }

.footer-col a, .footer-col li {
  font-size: 0.9375rem;
  color: rgba(250, 246, 240, 0.66);
  transition: color 0.25s var(--ease-out);
}

.footer-col a:hover { color: var(--mint); }

.footer-contact li { display: flex; gap: 0.75rem; align-items: flex-start; }
.footer-contact svg { flex-shrink: 0; margin-top: 0.25rem; color: var(--mint); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: rgba(250, 246, 240, 0.4);
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.is-visible { opacity: 1; transform: none; }

.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .strip-track, .spin-slow, .float-fast { animation: none !important; }
  .hero-art .hero-chair { animation: none !important; transform: translate(-50%, -50%); }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 26rem; margin-inline: auto; }
  .icon-grid { grid-template-columns: repeat(2, 1fr); }
  .doctor-grid { grid-template-columns: 1fr; max-width: 26rem; margin-inline: auto; }
  .hygienist-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    min-height: 100vh;
    z-index: 105;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.75rem;
    background: #faf6f0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease-out), visibility 0.35s;
  }

  .nav-links.is-open { opacity: 1; visibility: visible; }

  .nav-links a:not(.btn) { font-family: var(--font-display); font-size: 1.75rem; font-weight: 600; }

  body.nav-locked { overflow: hidden; }

  .icon-grid, .service-grid, .hygienist-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .faq-answer p { padding-right: 1rem; }
}