/* ==========================================================================
   APEX BARIATRIC CENTER — Stylesheet
   Table of contents:
   1. Design tokens
   2. Reset & base
   3. Typography
   4. Layout utilities
   5. Buttons & links
   6. Header & navigation
   7. Hero
   8. Section scaffolding
   9. Mission / Vision
   10. Why Apex (pillars)
   11. Services
   12. Bariatric surgery education
   13. Patient journey
   14. About
   15. Doctors
   16. Testimonials
   17. FAQ
   18. Final CTA
   19. Contact & footer
   20. WhatsApp float
   21. Scroll reveal & motion
   22. Responsive
   23. Accessibility & reduced motion
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Brand colors — fixed per brand guidelines */
  --apex-emerald: #126B63;
  --apex-emerald-deep: #0c4a44;
  --apex-emerald-soft: #1c8478;
  --apex-sage: #8BAF9B;
  --apex-sage-tint: #EEF2EE;
  --apex-charcoal: #263238;
  --apex-charcoal-soft: #4b565c;
  --apex-white: #FFFFFF;
  --apex-warm-white: #FAFAF7;

  /* Functional aliases */
  --color-bg: var(--apex-warm-white);
  --color-bg-alt: var(--apex-sage-tint);
  --color-bg-dark: var(--apex-charcoal);
  --color-text: var(--apex-charcoal);
  --color-text-muted: var(--apex-charcoal-soft);
  --color-text-inverse: var(--apex-warm-white);
  --color-border: rgba(38, 50, 56, 0.12);
  --color-border-inverse: rgba(250, 250, 247, 0.18);
  --color-accent: var(--apex-emerald);
  --color-accent-soft: var(--apex-sage);

  /* Typography */
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;

  --fs-hero: clamp(2.6rem, 2.05rem + 2.4vw, 4.6rem);
  --fs-h1: clamp(2.1rem, 1.75rem + 1.6vw, 3.4rem);
  --fs-h2: clamp(1.7rem, 1.5rem + 0.9vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 1.15rem + 0.4vw, 1.6rem);
  --fs-lead: clamp(1.1rem, 1.02rem + 0.35vw, 1.35rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9rem;
  --fs-micro: 0.78rem;

  --lh-tight: 1.12;
  --lh-snug: 1.3;
  --lh-body: 1.65;

  /* Spacing */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.25rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;
  --space-section: clamp(5rem, 4.2rem + 3.5vw, 8.75rem);

  /* Layout */
  --container-width: 1200px;
  --container-narrow: 760px;
  --container-pad: clamp(1.25rem, 0.9rem + 1.6vw, 3rem);

  /* Shape & elevation */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --shadow-soft: 0 1px 2px rgba(18, 30, 28, 0.04), 0 12px 32px -18px rgba(18, 30, 28, 0.28);
  --shadow-lift: 0 20px 45px -22px rgba(12, 40, 36, 0.35);

  /* Motion */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 180ms;
  --dur-med: 420ms;
  --dur-slow: 700ms;
}

/* ---------- 1b. Local self-hosted fonts ---------- */
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces/fraunces-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces/fraunces-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces/fraunces-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces/fraunces-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces/fraunces-latin-600-italic.woff2') format('woff2');
  font-weight: 600; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'Public Sans';
  src: url('/fonts/public-sans/public-sans-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Public Sans';
  src: url('/fonts/public-sans/public-sans-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Public Sans';
  src: url('/fonts/public-sans/public-sans-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Public Sans';
  src: url('/fonts/public-sans/public-sans-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
html.js-smooth-scroll { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
.icon { width: 1.2em; height: 1.2em; flex-shrink: 0; display: inline-block; }
ul, ol { padding: 0; margin: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }
a { color: inherit; text-decoration: none; }
input, textarea, select { font: inherit; color: inherit; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

/* Visible keyboard focus everywhere */
:focus-visible {
  outline: 2.5px solid var(--apex-emerald);
  outline-offset: 3px;
  border-radius: 3px;
}
.on-dark :focus-visible { outline-color: var(--apex-sage); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--apex-charcoal);
  color: var(--apex-warm-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--dur-fast) var(--ease-standard);
}
.skip-link:focus { top: 1rem; }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0;
}
.on-dark, .on-dark h1, .on-dark h2, .on-dark h3, .on-dark p { color: var(--color-text-inverse); }

.section-title { font-size: var(--fs-h2); max-width: 22ch; }
.section-title--lg { font-size: var(--fs-h1); max-width: 18ch; }
.section-lead {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: var(--lh-snug);
}
.on-dark .section-lead { color: rgba(250, 250, 247, 0.78); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--apex-emerald);
  margin-bottom: var(--space-sm);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1.5px;
  background: currentColor;
  opacity: 0.55;
}
.on-dark .eyebrow { color: var(--apex-sage); }

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }

/* ---------- 4. Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container--narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--space-section); position: relative; }
.section--tight { padding-block: calc(var(--space-section) * 0.62); }
.bg-warm { background: var(--apex-warm-white); }
.bg-white { background: var(--apex-white); }
.bg-sage-tint { background: var(--apex-sage-tint); }
.bg-charcoal { background: var(--apex-charcoal); }
.bg-emerald { background: var(--apex-emerald); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.section-head--row {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
}
@media (max-width: 720px) {
  .section-head--row { flex-direction: column; align-items: flex-start; }
}

.hairline { border: none; border-top: 1px solid var(--color-border); margin: 0; }
.on-dark .hairline { border-top-color: var(--color-border-inverse); }

.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- 5. Buttons & links ---------- */
.btn {
  --btn-bg: var(--apex-emerald);
  --btn-fg: var(--apex-warm-white);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1.5px solid transparent;
  transition: transform var(--dur-fast) var(--ease-standard),
              background var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.btn:active { transform: translateY(0); }
/* Botones de ancho completo (ej. envío de formulario) deben poder envolver el texto
   en lugar de desbordar la forma de píldora en pantallas angostas. */
.btn[style*="width:100%"], .btn[style*="width: 100%"] {
  white-space: normal;
  line-height: 1.3;
  text-align: center;
  border-radius: var(--radius-lg);
  padding-block: 0.85rem;
}
.btn-primary { background: var(--apex-emerald); color: var(--apex-warm-white); }
.btn-primary:hover { background: var(--apex-emerald-deep); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--apex-emerald); color: var(--apex-emerald); }
.on-dark .btn-outline { color: var(--color-text-inverse); border-color: var(--color-border-inverse); }
.on-dark .btn-outline:hover { border-color: var(--apex-sage); color: var(--apex-sage); }
.btn-ghost-inverse {
  background: var(--apex-warm-white);
  color: var(--apex-emerald);
}
.btn-ghost-inverse:hover { background: var(--apex-white); }
.btn .icon { width: 1.05em; height: 1.05em; flex-shrink: 0; }

.link-underline {
  position: relative;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--apex-emerald);
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.link-underline:hover::after { transform: scaleX(1); }
.link-underline .icon { width: 1em; height: 1em; transition: transform var(--dur-fast) var(--ease-standard); }
.link-underline:hover .icon { transform: translateX(3px); }

/* ---------- 6. Header & navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(250, 250, 247, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur-med) var(--ease-standard),
              border-color var(--dur-med) var(--ease-standard),
              background var(--dur-med) var(--ease-standard);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 8px 30px -22px rgba(18, 30, 28, 0.5);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 0.85rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand__mark { height: 40px; width: auto; }
.brand__word { display: flex; flex-direction: column; line-height: 1; }
.brand__word-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: var(--color-text);
}
.brand__sub {
  font-family: var(--font-body);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.brand--footer .brand__word-main { color: var(--color-text-inverse); }
.brand__sub--inverse { color: rgba(250, 250, 247, 0.6); }

.primary-nav { display: flex; align-items: center; gap: 1.5rem; }
.primary-nav__list { display: flex; align-items: center; gap: 1.15rem; }
.primary-nav__list a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.4rem 0.1rem;
  position: relative;
  white-space: nowrap;
}
.primary-nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--apex-emerald);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.primary-nav__list a:hover::after,
.primary-nav__list a[aria-current="page"]::after { transform: scaleX(1); }
.primary-nav__cta { display: flex; align-items: center; gap: var(--space-sm); }
.primary-nav__cta .btn span.btn-label-short { display: none; }
.primary-nav__cta .btn { padding: 0.7rem 1.4rem; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 101;
}
.nav-toggle .icon { width: 24px; height: 24px; }
.nav-toggle .icon-close { display: none; }
.nav-open .nav-toggle .icon-menu { display: none; }
.nav-open .nav-toggle .icon-close { display: block; }

@media (max-width: 1180px) {
  .primary-nav__list { display: none; }
  .primary-nav__cta .btn span.btn-label-full { display: none; }
  .primary-nav__cta .btn span.btn-label-short { display: inline; }
  .nav-toggle { display: inline-flex; }

  .mobile-nav {
    position: fixed;
    inset: 0;
    top: 0;
    height: 100vh;
    height: 100dvh;
    background: var(--apex-warm-white);
    z-index: 99;
    display: flex;
    flex-direction: column;
    padding: 6.5rem var(--container-pad) var(--space-xl);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    overflow-y: auto;
    transition: opacity var(--dur-med) var(--ease-standard),
                transform var(--dur-med) var(--ease-standard),
                visibility 0s linear var(--dur-med);
  }
  .nav-open .mobile-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity var(--dur-med) var(--ease-standard),
                transform var(--dur-med) var(--ease-standard);
  }
  .mobile-nav__list { display: flex; flex-direction: column; }
  .mobile-nav__list a {
    display: block;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-display);
    font-size: 1.5rem;
  }
  .mobile-nav__cta { margin-top: var(--space-lg); display: flex; flex-direction: column; gap: 0.8rem; }
}
@media (min-width: 1181px) {
  .mobile-nav { display: none; }
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(2.5rem, 2rem + 2vw, 4.5rem);
  padding-bottom: var(--space-2xl);
  background: linear-gradient(180deg, var(--apex-warm-white) 0%, var(--apex-warm-white) 100%);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
}
.hero__eyebrow { margin-bottom: var(--space-md); }
.hero__title {
  font-size: var(--fs-hero);
  font-weight: 600;
  line-height: 0.98;
}
.hero__title em {
  font-style: italic;
  color: var(--apex-emerald);
}
.hero__subhead {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.6rem);
  font-weight: 500;
  color: var(--apex-emerald);
  margin-top: var(--space-md);
}
.hero__text {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  max-width: 46ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.hero__meta {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.hero__meta-item { display: flex; flex-direction: column; gap: 0.15rem; }
.hero__meta-item strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--apex-emerald);
}
.hero__meta-item span {
  font-size: var(--fs-micro);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.hero__media { position: relative; }
.hero__media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 6 / 7;
  box-shadow: var(--shadow-lift);
}
.hero__media-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero__media-badge {
  position: absolute;
  left: -1.25rem;
  bottom: 1.75rem;
  background: var(--apex-white);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.35rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  max-width: 240px;
}
.hero__media-badge .icon { width: 26px; height: 26px; color: var(--apex-emerald); flex-shrink: 0; }
.hero__media-badge strong { display: block; font-size: 0.92rem; }
.hero__media-badge span { font-size: var(--fs-micro); color: var(--color-text-muted); }
@media (min-width: 981px) {
  .hero__media-badge { animation: badge-float 5s ease-in-out infinite; }
}
@keyframes badge-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { order: -1; max-width: 420px; margin-inline: auto; }
  .hero__meta { flex-wrap: wrap; row-gap: var(--space-md); }
  .hero__media-badge { left: 0.9rem; }
}

/* Hero entrance choreography — one orchestrated load-in moment */
.hero [data-hero-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s var(--ease-standard), transform 0.85s var(--ease-standard);
}
.hero.hero-loaded [data-hero-reveal] { opacity: 1; transform: translateY(0); }
.hero [data-hero-reveal="1"] { transition-delay: 0.05s; }
.hero [data-hero-reveal="2"] { transition-delay: 0.16s; }
.hero [data-hero-reveal="3"] { transition-delay: 0.27s; }
.hero [data-hero-reveal="4"] { transition-delay: 0.38s; }
.hero [data-hero-reveal="5"] { transition-delay: 0.49s; }
.hero [data-hero-reveal="media"] {
  opacity: 0;
  transform: translateY(0) scale(0.96);
  transition: opacity 1.05s var(--ease-standard), transform 1.05s var(--ease-standard);
  transition-delay: 0.22s;
}
.hero.hero-loaded [data-hero-reveal="media"] { opacity: 1; transform: scale(1); }
.hero__media-frame img { transition: transform 0.2s linear; will-change: transform; }

/* ---------- 9. Mission / Vision ---------- */
.mv {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.mv__panel { background: var(--apex-white); padding: clamp(2rem, 1.6rem + 1.8vw, 3.25rem); }
.mv__panel--accent { background: var(--apex-emerald); }
.mv__panel--accent * { color: var(--color-text-inverse); }
.mv__label {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--apex-emerald);
  margin-bottom: var(--space-md);
  display: block;
}
.mv__panel--accent .mv__label { color: var(--apex-sage); }
.mv__panel p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.45rem);
  line-height: 1.45;
}
@media (max-width: 780px) { .mv { grid-template-columns: 1fr; } }

/* ---------- 10. Why Apex (pillars) ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.pillar {
  padding: var(--space-lg) var(--space-lg) var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  position: relative;
}
.pillar:nth-child(-n+3) { border-top: 1px solid var(--color-border); }
.pillars .pillar:not(:nth-child(3n+1)) { padding-left: var(--space-lg); border-left: 1px solid var(--color-border); }
.pillar__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-md); }
.pillar__index {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-border);
  font-weight: 500;
}
.pillar__icon {
  width: 46px; height: 46px;
  color: var(--apex-emerald);
  transition: transform var(--dur-med) var(--ease-standard);
}
.pillar:hover .pillar__icon { transform: translateY(-3px); }
.pillar h3 { font-size: 1.15rem; margin-bottom: 0.55rem; }
.pillar p { color: var(--color-text-muted); font-size: 0.98rem; }

@media (max-width: 900px) {
  .pillars { grid-template-columns: 1fr; }
  .pillars .pillar:not(:nth-child(3n+1)) { padding-left: 0; border-left: none; }
  .pillar { padding-right: 0; }
}
@media (min-width: 901px) and (max-width: 1180px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillars .pillar:nth-child(2n+1) { border-left: none; padding-left: 0; }
  .pillars .pillar:nth-child(2n) { border-left: 1px solid var(--color-border); padding-left: var(--space-lg); }
}

/* ---------- 11. Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.service-card {
  background: var(--apex-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--apex-emerald);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-med) var(--ease-standard),
              box-shadow var(--dur-med) var(--ease-standard),
              border-color var(--dur-med) var(--ease-standard);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.service-card__icon {
  width: 44px; height: 44px;
  color: var(--apex-emerald);
  margin-bottom: var(--space-md);
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.service-card p { color: var(--color-text-muted); font-size: 0.96rem; flex-grow: 1; }
.service-card .link-underline { margin-top: var(--space-md); font-size: 0.92rem; }

/* ---------- 12. Bariatric surgery education ---------- */
.education {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.education__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 6 / 5;
  box-shadow: var(--shadow-soft);
}
.education__media img { width: 100%; height: 100%; object-fit: cover; }
.education__list { margin-top: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-md); }
.education__list li { display: flex; gap: 0.85rem; align-items: flex-start; }
.education__list .icon { width: 22px; height: 22px; color: var(--apex-emerald); flex-shrink: 0; margin-top: 0.15rem; }
.education__note {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border-left: 3px solid var(--apex-sage);
  background: var(--apex-sage-tint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}
@media (max-width: 900px) { .education { grid-template-columns: 1fr; } .education__media { order: -1; } }

/* ---------- 13. Patient journey ---------- */
.journey { position: relative; }
.journey__track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  position: relative;
}
.journey__track::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--color-border);
}
.journey__step { position: relative; display: flex; flex-direction: column; gap: var(--space-sm); }
.journey__num {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--apex-white);
  border: 1.5px solid var(--apex-emerald);
  color: var(--apex-emerald);
  font-family: var(--font-display);
  font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  z-index: 1;
}
.journey__step h3 { font-size: 1.05rem; }
.journey__step p { font-size: 0.92rem; color: var(--color-text-muted); }
@media (max-width: 900px) {
  .journey__track { grid-template-columns: 1fr; gap: var(--space-lg); }
  .journey__track::before { top: 0; bottom: 0; left: 27px; right: auto; width: 1px; height: auto; }
  .journey__step { flex-direction: row; align-items: flex-start; gap: var(--space-md); }
}

/* ---------- 14. About ---------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.about__media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 5/6; box-shadow: var(--shadow-soft); }
.about__media img { width: 100%; height: 100%; object-fit: cover; }
.about__lede {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.15rem + 0.6vw, 1.75rem);
  line-height: 1.4;
  margin-bottom: var(--space-md);
}
.about__values { margin-top: var(--space-lg); display: flex; flex-wrap: wrap; gap: 0.6rem; }
.about__values span {
  font-size: var(--fs-small);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
@media (max-width: 900px) { .about { grid-template-columns: 1fr; } .about__media { max-width: 380px; margin-inline: auto; } }

/* ---------- 15. Doctors ---------- */
.doctors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--space-lg);
}
.doctor-card { display: flex; flex-direction: column; }
.doctor-card__photo {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 5/6;
  margin-bottom: var(--space-sm);
}
.doctor-card__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-standard); }
.doctor-card:hover .doctor-card__photo img { transform: scale(1.035); }
.doctor-card h3 { font-size: 1.05rem; }
.doctor-card .specialty { color: var(--apex-emerald); font-size: 0.88rem; font-weight: 600; margin-top: 0.2rem; }
.doctor-card p.bio { font-size: 0.9rem; color: var(--color-text-muted); margin-top: 0.4rem; }
.doctor-card .link-underline { margin-top: var(--space-sm); font-size: 0.88rem; }

/* ---------- 16. Testimonials ---------- */
.testimonial-slider { position: relative; max-width: 780px; margin-inline: auto; text-align: center; }
.testimonial-slider__track { position: relative; min-height: 260px; }
.testimonial-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur-med) var(--ease-standard), transform var(--dur-med) var(--ease-standard);
}
.testimonial-slide.is-active { position: relative; opacity: 1; visibility: visible; transform: translateY(0); }
.testimonial-slide .icon-quote { width: 40px; height: 30px; color: var(--apex-sage); margin-inline: auto; margin-bottom: var(--space-md); }
.testimonial-slide blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.55rem);
  line-height: 1.5;
  margin: 0 0 var(--space-md);
}
.testimonial-slide__meta { font-size: 0.92rem; color: var(--color-text-muted); }
.testimonial-slide__meta strong { color: var(--color-text); display: block; font-size: 0.98rem; }
.testimonial-tag {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  color: var(--apex-emerald);
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  opacity: 0.85;
}
.testimonial-nav { display: flex; align-items: center; justify-content: center; gap: var(--space-md); margin-top: var(--space-lg); }
.testimonial-nav button {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard);
}
.testimonial-nav button:hover { border-color: var(--apex-emerald); }
.testimonial-nav button .icon { width: 18px; height: 18px; }
.testimonial-dots { display: flex; gap: 0.4rem; }
.testimonial-dots button {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-border);
  transition: background var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);
}
.testimonial-dots button.is-active { background: var(--apex-emerald); transform: scale(1.2); }

/* ---------- 17. FAQ ---------- */
.faq-list { border-top: 1px solid var(--color-border); max-width: 840px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 1.4rem 0.1rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.08rem;
}
.faq-item__q .icon { width: 20px; height: 20px; flex-shrink: 0; transition: transform var(--dur-med) var(--ease-standard); color: var(--apex-emerald); }
.faq-item.is-open .faq-item__q .icon { transform: rotate(180deg); }
.faq-item__a {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-med) var(--ease-standard);
}
.faq-item__a-inner { padding-bottom: 1.5rem; color: var(--color-text-muted); max-width: 68ch; }

/* ---------- 18. Final CTA ---------- */
.cta-final {
  background: linear-gradient(135deg, var(--apex-charcoal) 0%, #10403b 55%, var(--apex-emerald) 100%);
  color: var(--color-text-inverse);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at 85% 20%, rgba(139,175,155,0.28), transparent 55%);
  animation: cta-drift 16s ease-in-out infinite alternate;
}
@keyframes cta-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-3%, 2%) scale(1.08); }
}
.cta-final__inner { position: relative; max-width: 640px; margin-inline: auto; }
.cta-final h2 { font-size: var(--fs-h1); color: var(--color-text-inverse); }
.cta-final p { margin-top: var(--space-md); color: rgba(250,250,247,0.8); font-size: var(--fs-lead); }
.cta-final__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-sm); margin-top: var(--space-lg); }

/* ---------- 19. Contact & footer ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 1rem + 4vw, 4rem);
}
@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-info { display: flex; flex-direction: column; gap: var(--space-lg); }
.contact-item { display: flex; gap: 0.9rem; align-items: flex-start; }
.contact-item .icon { width: 24px; height: 24px; color: var(--apex-emerald); flex-shrink: 0; margin-top: 0.15rem; }
.contact-item strong { display: block; font-size: 0.95rem; margin-bottom: 0.15rem; }
.contact-item span, .contact-item a { color: var(--color-text-muted); font-size: 0.95rem; }
.contact-item a:hover { color: var(--apex-emerald); }

.contact-form { background: var(--apex-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.form-field { margin-bottom: var(--space-md); }
.form-field label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 0.4rem; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--apex-warm-white);
  transition: border-color var(--dur-fast) var(--ease-standard);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--apex-emerald); }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field.has-error input, .form-field.has-error textarea { border-color: #b3413a; }
.form-error { display: none; color: #b3413a; font-size: 0.82rem; margin-top: 0.35rem; }
.form-field.has-error .form-error { display: block; }
.form-note { font-size: 0.8rem; color: var(--color-text-muted); margin-top: var(--space-sm); }
.form-status {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--apex-sage-tint);
  color: var(--apex-emerald-deep);
  font-size: 0.92rem;
  margin-bottom: var(--space-md);
}
.form-status.is-visible { display: flex; }
.form-status .icon { width: 20px; height: 20px; flex-shrink: 0; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.site-footer { background: var(--apex-charcoal); color: rgba(250,250,247,0.85); }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-2xl) var(--space-xl);
}
.footer-brand img { height: 26px; margin-bottom: var(--space-sm); }
.footer-brand p { font-size: 0.92rem; color: rgba(250,250,247,0.65); max-width: 32ch; }
.footer-social { display: flex; gap: 0.6rem; margin-top: var(--space-md); }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--color-border-inverse);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard);
}
.footer-social a:hover { border-color: var(--apex-sage); background: rgba(139,175,155,0.12); }
.footer-social .icon { width: 17px; height: 17px; }
.footer-col h4 { font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.06em; color: var(--apex-sage); margin-bottom: var(--space-md); font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a { font-size: 0.92rem; color: rgba(250,250,247,0.78); }
.footer-col a:hover { color: var(--apex-warm-white); }
.footer-bottom {
  border-top: 1px solid var(--color-border-inverse);
  padding-block: var(--space-md);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-sm);
  font-size: 0.82rem; color: rgba(250,250,247,0.55);
}
.footer-legal { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.footer-disclaimer { padding-block: var(--space-md); border-top: 1px solid var(--color-border-inverse); font-size: 0.78rem; color: rgba(250,250,247,0.45); max-width: 90ch; }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }

/* ---------- 20. WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  right: clamp(1rem, 0.7rem + 1vw, 1.75rem);
  bottom: clamp(1rem, 0.7rem + 1vw, 1.75rem);
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--apex-emerald);
  color: var(--apex-warm-white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lift);
  z-index: 90;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.whatsapp-float:hover { transform: scale(1.06); }
.whatsapp-float .icon { width: 28px; height: 28px; }

/* ---------- 21. Scroll reveal & motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-standard), transform var(--dur-slow) var(--ease-standard);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal-group] > * { transition-delay: calc(var(--reveal-i, 0) * 90ms); }

.counter { font-variant-numeric: tabular-nums; }

/* ---------- 22. Responsive ---------- */
@media (max-width: 720px) {
  .section { padding-block: calc(var(--space-section) * 0.72); }
  .hero__actions .btn { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .container { padding-inline: 1.1rem; }
}

/* ---------- 23. Accessibility & reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  html.js-smooth-scroll { scroll-behavior: auto; }
}

@media (prefers-contrast: more) {
  :root { --color-border: rgba(38, 50, 56, 0.35); }
}