@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:wght@400;600;700&display=swap');

/* ─── TOKENS ──────────────────────────────────────────────────────── */
:root {
  --color-primary:      #004355;   /* dark teal */
  --color-accent:       #4CD3BF;   /* mint */
  --color-light:        #F5F5F5;   /* off-white */
  --color-sand:         #CDC0B7;   /* warm beige */
  --color-white:        #FFFFFF;
  --color-text:         #1A2E2E;
  --color-muted:        #5A7070;

  --font-serif:  'Montserrat', system-ui, sans-serif;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-thai:   'IBM Plex Sans Thai', system-ui, sans-serif;

  --max-w:       1140px;
  --transition:  0.22s ease;
  --radius:      8px;
  --radius-lg:   16px;
}

/* ─── RESET ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-white); }
body.lang-th {
  --font-sans:  'IBM Plex Sans Thai', system-ui, sans-serif;
  --font-serif: 'IBM Plex Sans Thai', system-ui, sans-serif;
  font-family: var(--font-thai);
}
img  { display: block; max-width: 100%; }
a    { text-decoration: none; color: inherit; }

/* ─── UTILITY ─────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── BUTTONS ─────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.75rem 2rem;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  align-self: flex-start;
}
.btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--color-white);
}
.btn--outline:hover {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-primary);
}

/* ─── NAVBAR — mobile hamburger only ─────────────────────────────── */
.navbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 1.25rem 2rem;
}

/* Hamburger — hidden on desktop, shown on mobile */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar__toggle span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}
.navbar__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.open span:nth-child(2) { opacity: 0; }
.navbar__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.navbar__drawer {
  display: none;
  flex-direction: column;
  background: var(--color-primary);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
  width: 100vw;
}
.navbar__drawer.open {
  max-height: 300px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.drawer__link {
  padding: 1rem 2rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}
.drawer__link:hover {
  background: rgba(76, 211, 191, 0.12);
  color: var(--color-accent);
}

/* ─── LANGUAGE TOGGLE ─────────────────────────────────────────────── */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 100px;
  padding: 0.3rem 0.75rem;
  align-self: flex-start;
}
.lang-switch__btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
  padding: 0.2rem 0.5rem;
  border-radius: 100px;
  transition: var(--transition);
}
.lang-switch__btn.active {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
}
.lang-switch__btn:hover:not(.active) {
  color: var(--color-white);
}
.lang-switch__divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
  user-select: none;
}

/* ─── SECTION 1 · HERO ────────────────────────────────────────────── */
.hero {
  background: var(--color-primary);
  padding: 2rem 0 3rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Background SVG — full opacity */
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
  pointer-events: none;
  user-select: none;
}

/* Decorative curve — top-right corner */
.hero__curveline {
  position: absolute;
  top: -8%;
  right: -4%;
  width: 52%;
  max-width: 580px;
  opacity: 0.18;
  pointer-events: none;
  user-select: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Left column — logo, toggle, text stacked */
.hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Logo inside hero */
.hero__logo-link {
  display: inline-block;
  align-self: flex-start;
}
.hero__logo-img {
  height: 96px;
  width: auto;
}

.hero__subtitle {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 0.5rem;
}

.hero__heading {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  color: #004355;
}

/* Right column — video */
.hero__media {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__video {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  object-fit: cover;
  display: block;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  background: var(--color-primary);
}
.hero__video--fallback {
  display: none;
}

/* ─── SECTION 4 · CLINICAL ───────────────────────────────────────── */
.clinical {
  background: var(--color-light);
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.clinical__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 3rem;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.clinical__heading.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Asymmetric grid matching mockup layout */
.clinical__grid {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr 2fr;
  grid-template-rows: 240px 210px;
  gap: 10px;
}

/* Row 1 placements */
.clinical-card--office    { grid-column: 1; grid-row: 1; }
.clinical-card--back      { grid-column: 2; grid-row: 1; }
.clinical-card--face      { grid-column: 3; grid-row: 1; }

/* Row 2 — split col 3 via nested or override columns */
.clinical-card--preventive { grid-column: 1; grid-row: 2; }
.clinical-card--sport      { grid-column: 2; grid-row: 2; }
/* Row 2 col 3 splits into 2 — re-define grid for those cells */
.clinical-card--traveler   { grid-column: 3; grid-row: 2; }
.clinical-card--consult    { grid-column: 4; grid-row: 2; }

/* 4-column override to accommodate row 2 split */
.clinical__grid {
  grid-template-columns: 1.5fr 2.5fr 1fr 1fr;
}
/* Row 1: face card spans cols 3–4 */
.clinical-card--face { grid-column: 3 / 5; }

/* Card base */
.clinical-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 12px;
}
.clinical-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.clinical-card:hover img {
  transform: scale(1.07);
}

/* Lighter gradient overlay */
.clinical-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 20, 30, 0.72) 0%,
    rgba(0, 20, 30, 0.28) 50%,
    rgba(0, 20, 30, 0) 100%
  );
  transition: background 0.4s ease;
}
.clinical-card:hover .clinical-card__overlay {
  background: linear-gradient(
    to top,
    rgba(0, 30, 40, 0.82) 0%,
    rgba(0, 30, 40, 0.42) 50%,
    rgba(0, 30, 40, 0.05) 100%
  );
}

/* Label */
.clinical-card__label {
  position: absolute;
  bottom: 1.4rem;
  left: 1.4rem;
  right: 1.4rem;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.25;
  pointer-events: none;
  transition: transform 0.4s ease;
}
.clinical-card:hover .clinical-card__label {
  transform: translateY(-4px);
}

@media (max-width: 768px) {
  .clinical__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(4, 180px);
  }
  .clinical-card--office    { grid-column: 1; grid-row: 1; }
  .clinical-card--back      { grid-column: 2; grid-row: 1; }
  .clinical-card--face      { grid-column: 1 / 3; grid-row: 2; }
  .clinical-card--preventive { grid-column: 1; grid-row: 3; }
  .clinical-card--sport      { grid-column: 2; grid-row: 3; }
  .clinical-card--traveler   { grid-column: 1; grid-row: 4; }
  .clinical-card--consult    { grid-column: 2; grid-row: 4; }
}

/* ─── SECTION 5 · FAQ ────────────────────────────────────────────── */
.faq {
  background: var(--color-white);
  padding: 4rem 0;
}
.faq__layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}
.faq__title-col {
  position: sticky;
  top: 3rem;
}
.faq__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 1rem;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.faq__heading.is-visible { opacity: 1; transform: translateY(0); }
.faq__subtitle {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* Accordion */
.faq__accordion {
  display: flex;
  flex-direction: column;
}
.faq__item {
  border-bottom: 1px solid #e4ecec;
}
.faq__item:first-child {
  border-top: 1px solid #e4ecec;
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}
.faq__question:hover { color: var(--color-primary); }
.faq__item.open .faq__question { color: var(--color-primary); }

/* +/× icon drawn with CSS */
.faq__icon {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  color: var(--color-muted);
  transition: color var(--transition), transform var(--transition), background var(--transition);
}
.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.faq__icon::before { width: 10px; height: 1.5px; transform: translate(-50%, -50%); }
.faq__icon::after  { width: 1.5px; height: 10px; transform: translate(-50%, -50%); }

.faq__item.open .faq__icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: rotate(45deg);
}

/* Smooth height animation via grid trick */
.faq__answer-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s ease;
}
.faq__item.open .faq__answer-wrap {
  grid-template-rows: 1fr;
}
.faq__answer-inner {
  overflow: hidden;
}
.faq__answer-inner p {
  padding-bottom: 1.4rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .faq__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .faq__title-col { position: static; }
}

/* ─── SECTION 6 · REVIEWS ────────────────────────────────────────── */
.reviews {
  background: var(--color-light);
  padding: 4rem 0;
  overflow: hidden;
}
.reviews__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 3rem;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reviews__heading.is-visible { opacity: 1; transform: translateY(0); }

/* Marquee rows wrapper — clips to same bounds as .container */
.reviews__rows-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  overflow: hidden;
}

/* Marquee rows */
.reviews__row {
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.reviews__row:last-child { margin-bottom: 0; }

.reviews__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
}
.reviews__track--fwd {
  animation: marquee-fwd 40s linear infinite;
}
.reviews__track--rev {
  animation: marquee-rev 45s linear infinite;
}
.reviews__track:hover {
  animation-play-state: paused;
}

@keyframes marquee-fwd {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes marquee-rev {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* Card */
.review-card {
  flex-shrink: 0;
  width: 300px;
  background: var(--color-white);
  border: 1px solid #e8eeee;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  box-shadow: 0 2px 12px rgba(0, 67, 85, 0.06);
  transition: box-shadow var(--transition), transform var(--transition);
}
.review-card:hover {
  box-shadow: 0 8px 28px rgba(0, 67, 85, 0.12);
  transform: translateY(-3px);
}

.review-card__name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.review-card__quote-open {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-accent);
}
.review-card__text {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--color-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.review-card__quote-close {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-accent);
  text-align: right;
}
.review-card__stars {
  font-size: 1.05rem;
  color: #F5B800;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ─── SECTION 8 · GALLERY ───────────────────────────────────────── */
.gallery {
  background: var(--color-light);
  padding: 2rem 0;
}
.gallery__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6rem;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.gallery__heading.is-visible { opacity: 1; transform: translateY(0); }
.gallery__sub {
  font-size: 0.92rem;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

.gallery__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 280px 280px;
  gap: 6px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.gallery-item {
  overflow: hidden;
  position: relative;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.gallery__grid.is-visible .gallery-item { opacity: 1; transform: translateY(0); }
.gallery__grid.is-visible .gallery-item:nth-child(1) { transition-delay: 0s; }
.gallery__grid.is-visible .gallery-item:nth-child(2) { transition-delay: 0.1s; }
.gallery__grid.is-visible .gallery-item:nth-child(3) { transition-delay: 0.2s; }
.gallery__grid.is-visible .gallery-item:nth-child(4) { transition-delay: 0.3s; }
.gallery__grid.is-visible .gallery-item:nth-child(5) { transition-delay: 0.4s; }
.gallery-item--featured {
  grid-row: 1 / 3;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.gallery-item:hover img {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 220px 180px 180px;
  }
  .gallery-item--featured {
    grid-column: 1 / 3;
    grid-row: 1;
  }
}

/* ─── SECTION 7 · CONTACT ────────────────────────────────────────── */
.contact {
  background: linear-gradient(135deg, #001f2e 0%, #004355 45%, #002d3d 100%);
  padding: 4rem 0 0;
}

.contact__card {
  position: relative;
}

.contact__content {
  position: relative;
  z-index: 1;
  padding: 3rem 0;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  color: var(--color-white);
}

/* Top info row */
.contact__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.contact__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
}

.contact__info-label {
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-serif);
  margin-bottom: 0.75rem;
  color: var(--color-white);
}

.contact__schedule p,
.contact__address p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
}
.contact__closed { margin-top: 0.5rem; }
.contact__wheelchair { margin-top: 0.75rem; font-style: italic; }

/* Bottom: links + map */
.contact__main {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: stretch;
}

/* Contact link buttons */
.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.7rem 1.2rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 100px;
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
  backdrop-filter: blur(6px);
}
.contact-link:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.35);
  transform: translateX(4px);
}

.contact-link__icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-link__icon svg { width: 18px; height: 18px; }

.contact-link__icon--line  { background: #06C755; color: white; }
.contact-link__icon--fb    { background: #1877F2; color: white; }
.contact-link__icon--ig    { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fd5949 45%, #d6249f 60%, #285AEB 90%); color: white; }
.contact-link__icon--tiktok { background: #010101; color: white; }
.contact-link__icon--phone {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
}
.contact-link--phone .contact-link__phone-num { color: var(--color-accent); font-weight: 600; }

.contact-link--plain {
  justify-content: center;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Map */
.contact__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 280px;
  position: relative;
}
.contact__map-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.75);
  text-align: center;
  padding: 1.5rem;
}
.contact__map-fallback svg {
  width: 2.5rem;
  height: 2.5rem;
  opacity: 0.6;
}
.contact__map-fallback p {
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0.8;
}
.contact__map-fallback a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  border: 1px solid var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  transition: background 0.2s;
}
.contact__map-fallback a:hover {
  background: rgba(76,211,191,0.15);
}
.contact__map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Copyright — inside contact card */
.copyright {
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 900px) {
  .contact__top { grid-template-columns: 1fr 1fr; }
  .contact__heading { grid-column: 1 / -1; }
  .contact__main { grid-template-columns: 1fr; }
  .contact__map { height: 260px; }
}
@media (max-width: 600px) {
  .contact__content { padding: 2rem 1.5rem; }
  .contact__top { grid-template-columns: 1fr; }
}

/* ─── SECTION 3 · SERVICES ───────────────────────────────────────── */
.services {
  background: var(--color-white);
  padding: 4rem 0;
}
.services__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 3rem;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.services__heading.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.services__layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4rem;
  align-items: start;
}

/* ── Left: tab switcher ── */
.services__tabs {
  display: flex;
  background: var(--color-light);
  border-radius: 100px;
  padding: 4px;
  margin-bottom: 1.5rem;
  gap: 0;
}
.services__tab {
  flex: 1;
  padding: 0.55rem 1rem;
  border: none;
  background: transparent;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-muted);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.services__tab.active {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 1px 6px rgba(0, 67, 85, 0.1);
}

/* ── Left: list ── */
.services__list {
  list-style: none;
}
.services__list--hidden {
  display: none;
}
.services__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 0;
  cursor: pointer;
  border-bottom: 1px solid #e4ecec;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-muted);
  outline: none;
  transition: color var(--transition);
}
.services__item:first-child {
  border-top: 1px solid #e4ecec;
}
.services__item:hover { color: var(--color-primary); }
.services__item.active {
  color: var(--color-primary);
  font-weight: 600;
}
.services__arrow {
  width: 16px;
  height: 16px;
  margin-left: auto;
  flex-shrink: 0;
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--transition), transform var(--transition);
}
.services__item:hover .services__arrow,
.services__item.active .services__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ── Right: detail panel ── */
.services__detail {
  position: sticky;
  top: 2rem;
  background: var(--color-light);
  border-radius: var(--radius-lg);
  border: 1px solid #e4ecec;
  border-top: 3px solid var(--color-accent);
  min-height: 320px;
}
.services__detail-inner {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 1;
  transition: opacity 0.2s ease;
}
.services__detail-inner.fading { opacity: 0; }

.services__detail-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.services__detail-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}
.services__detail-desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-muted);
  margin-top: 0.5rem;
}

@media (max-width: 960px) {
  .services__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .services__detail { position: static; }
}

/* ─── SECTION 2 · ABOUT ──────────────────────────────────────────── */
.about {
  background: var(--color-light);
  padding: 4rem 0;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: center;
}
.about__illustration img {
  width: 100%;
  height: auto;
}

/* Heading animation */
.about__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 2rem;

  /* initial hidden state */
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.about__heading.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.about__body p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-muted);
}
.about__body em {
  font-style: italic;
  color: var(--color-text);
}

/* ─── RESPONSIVE ──────────────────────────────────────────────────── */

/* ── Tablet (≤ 900px) ── */
@media (max-width: 900px) {
  .about__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about__illustration { max-width: 380px; margin: 0 auto; }

  .contact__top { grid-template-columns: 1fr 1fr; }
  .contact__heading { grid-column: 1 / -1; }
  .contact__main { grid-template-columns: 1fr; }
  .contact__map { height: 260px; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  /* Global section spacing */
  .about, .services, .faq, .reviews, .gallery { padding: 2.5rem 0; }
  .clinical { padding-top: 2.5rem; padding-bottom: 2.5rem; }
  .contact { padding: 2.5rem 0 0; }

  /* Navbar */
  .navbar__toggle { display: flex; }
  .navbar__drawer  { display: flex; }

  /* Hero */
  .hero { padding: 3.5rem 0 2rem; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__text { gap: 1rem; }
  .hero__logo-img { height: 68px; }
  .hero__subtitle { font-size: 0.72rem; }
  .hero__media { order: 1; }
  .hero__curveline { width: 80%; top: -3%; right: -8%; }
  .hero__video { max-width: 300px; margin: 0 auto; }

  /* About */
  .about__heading { margin-bottom: 1.25rem; }
  .about__illustration { display: none; }

  /* Services */
  .services__tabs { border-radius: 10px; }
  .services__tab { font-size: 0.82rem; padding: 0.5rem 0.75rem; }
  .services__item { font-size: 0.9rem; padding: 1rem 0; }
  .services__detail-inner { padding: 1.75rem; }

  /* Clinical */
  .clinical__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(4, 180px);
  }
  .clinical-card--office    { grid-column: 1; grid-row: 1; }
  .clinical-card--back      { grid-column: 2; grid-row: 1; }
  .clinical-card--face      { grid-column: 1 / 3; grid-row: 2; }
  .clinical-card--preventive { grid-column: 1; grid-row: 3; }
  .clinical-card--sport      { grid-column: 2; grid-row: 3; }
  .clinical-card--traveler   { grid-column: 1; grid-row: 4; }
  .clinical-card--consult    { grid-column: 2; grid-row: 4; }
  .clinical__heading { margin-bottom: 1.5rem; }

  /* FAQ */
  .faq__layout { grid-template-columns: 1fr; gap: 2rem; }
  .faq__title-col { position: static; }
  .faq__heading { font-size: clamp(1.6rem, 5vw, 2rem); }

  /* Reviews */
  .reviews__heading { margin-bottom: 1.75rem; }
  .review-card { width: 260px; }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 200px 160px 160px;
  }
  .gallery-item--featured { grid-column: 1 / 3; grid-row: 1; }

  /* Contact */
  .contact__top { grid-template-columns: 1fr; gap: 1.25rem; }
  .contact__heading { font-size: 1.8rem; }
  .contact__content { padding: 2rem 0; }
  .contact__map { height: 220px; min-height: 220px; }
  .contact__links { gap: 0.5rem; }
  .copyright { padding: 1rem 0; }
}

/* ── Small mobile (≤ 480px) ── */
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }

  /* Hero */
  .hero__heading { font-size: clamp(1.5rem, 7vw, 2rem); }
  .hero__logo-img { height: 56px; }

  /* Section headings */
  .about__heading,
  .services__heading,
  .clinical__heading,
  .faq__heading,
  .reviews__heading,
  .gallery__heading { font-size: clamp(1.6rem, 6vw, 2rem); }

  /* Services detail */
  .services__detail-title { font-size: 1.3rem; }

  /* Clinical */
  .clinical__grid { grid-template-rows: repeat(4, 150px); }

  /* Review cards */
  .review-card { width: 240px; }

  /* Contact */
  .contact-link { font-size: 0.82rem; padding: 0.6rem 1rem; }
  .contact-link__icon { width: 28px; height: 28px; }
  .contact-link__icon svg { width: 15px; height: 15px; }
}