/* ============================================================
   CUMEP · Cubamedic Perú — Sistema visual
   Medicina Física · Familiar · Regenerativa — Miraflores, Lima
   ============================================================ */

:root {
  /* Paleta oficial CUBAMEDIC — azul (primario) + verde (acento) */
  --teal-900: #22305A;  /* azul profundo */
  --teal-800: #283A66;
  --teal-700: #2D3E70;  /* azul primario */
  --teal-600: #3D5196;  /* azul medio */
  --teal-300: #9DB0DA;
  --teal-100: #E1E7F3;
  --teal-50:  #EEF2F9;

  --gold-600: #43904A;  /* verde CUBAMEDIC oscuro */
  --gold-500: #56A854;  /* verde CUBAMEDIC */
  --gold-100: #E4F1E1;

  --red:      #BC423C;  /* acento (uso mínimo) */

  --ink:      #1A2340;
  --ink-soft: #3A4462;
  --muted:    #6B7392;
  --line:     #E4E8F0;

  --bg:       #FAFBFD;
  --surface:  #FFFFFF;
  --surface-2:#F2F5FA;

  --wa:       #25D366;
  --wa-dark:  #1EB457;

  /* Tipografía */
  --font-display: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Estructura */
  --maxw: 1180px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(10, 59, 63, 0.06);
  --shadow: 0 14px 40px rgba(10, 59, 63, 0.10);
  --shadow-lg: 0 30px 70px rgba(10, 59, 63, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--teal-700); text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 650;
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
p  { margin: 0 0 1.1rem; color: var(--ink-soft); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section--tight { padding: 64px 0; }
.section--alt { background: var(--surface-2); }
.section--dark { background: linear-gradient(160deg, var(--teal-900), var(--teal-700)); color: #EAF3F1; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #CFE2DF; }

.center { text-align: center; }
.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }

/* Etiquetas y encabezados de sección */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 650; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--teal-600);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold-500); border-radius: 2px; }
.section--dark .eyebrow { color: var(--gold-500); }
.section-lead { font-size: 1.12rem; color: var(--muted); }

/* ============================ Botones ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-weight: 620; font-size: 1rem;
  padding: 15px 28px; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  line-height: 1;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--teal-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--teal-800); box-shadow: var(--shadow); }
.btn--gold { background: var(--gold-500); color: #fff; }
.btn--gold:hover { background: var(--gold-600); color: #fff; }
.btn--wa { background: var(--wa); color: #fff; }
.btn--wa:hover { background: var(--wa-dark); box-shadow: 0 12px 30px rgba(37,211,102,.35); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--outline:hover { border-color: var(--teal-600); color: var(--teal-700); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.wa-ico { width: 20px; height: 20px; fill: currentColor; }

/* ============================ Header ============================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 250, 246, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
}
.brand__mark svg { width: 24px; height: 24px; }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; color: var(--ink); letter-spacing: -0.01em; line-height: 1; }
.brand__tag { display: block; font-family: var(--font-body); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal-600); margin-top: 3px; font-weight: 600; }

.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-soft); font-weight: 550; font-size: 0.97rem; position: relative; padding: 6px 0; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--gold-500); transition: width .3s var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--teal-700); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 12px 22px; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================ Hero ============================ */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(20,128,138,0.14), transparent 60%),
    radial-gradient(900px 500px at 5% 110%, rgba(201,162,75,0.10), transparent 55%),
    var(--bg);
  padding: 84px 0 96px;
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px 8px 12px;
  font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); box-shadow: 0 0 0 4px rgba(37,211,102,.18); }
.hero h1 { margin-bottom: 20px; }
.hero h1 .accent { color: var(--gold-500); }
.hero__lead { font-size: 1.16rem; color: var(--ink-soft); max-width: 540px; margin-bottom: 30px; }
.hero__actions { margin-bottom: 34px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 26px; }
.hero__trust .item { display: flex; flex-direction: column; }
.hero__trust .num { font-family: var(--font-display); font-size: 1.7rem; color: var(--teal-700); font-weight: 600; line-height: 1; }
.hero__trust .lbl { font-size: 0.82rem; color: var(--muted); margin-top: 5px; }

.hero__visual { position: relative; }
.hero__card {
  border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5; position: relative;
  background: linear-gradient(160deg, var(--teal-700), var(--teal-900));
}
.hero__card .photo { width: 100%; height: 100%; object-fit: cover; }
.hero__float {
  position: absolute; left: -26px; bottom: 40px; background: var(--surface);
  border-radius: 16px; padding: 16px 20px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 14px;
  max-width: 260px; border: 1px solid var(--line);
}
.hero__float .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--teal-100); color: var(--teal-700); display: grid; place-items: center; flex: none; }
.hero__float .ic svg { width: 22px; height: 22px; }
.hero__float b { display: block; color: var(--ink); font-size: 0.95rem; }
.hero__float span { font-size: 0.8rem; color: var(--muted); }

/* Banda de credibilidad */
.credbar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.credbar__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; }
.credbar__item { display: flex; align-items: center; gap: 12px; font-size: 0.92rem; color: var(--ink-soft); font-weight: 500; }
.credbar__item svg { width: 22px; height: 22px; color: var(--teal-600); flex: none; }

/* ============================ Tarjetas de servicio ============================ */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.scard {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative; overflow: hidden;
}
.scard::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, var(--teal-600), var(--gold-500)); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.scard:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.scard:hover::before { transform: scaleX(1); }
.scard__ic { width: 56px; height: 56px; border-radius: 15px; background: var(--teal-50); color: var(--teal-700); display: grid; place-items: center; margin-bottom: 20px; }
.scard__ic svg { width: 28px; height: 28px; }
.scard h3 { margin-bottom: 10px; }
.scard p { font-size: 0.97rem; margin-bottom: 16px; }
.scard .more { font-weight: 620; font-size: 0.92rem; color: var(--teal-700); display: inline-flex; align-items: center; gap: 6px; }
.scard .more svg { width: 16px; height: 16px; transition: transform .25s; }
.scard:hover .more svg { transform: translateX(4px); }

/* Lista de terapias / chips */
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 18px; font-size: 0.92rem; font-weight: 550; color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: 8px;
}
.chip svg { width: 16px; height: 16px; color: var(--teal-600); }
.section--dark .chip { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #EAF3F1; }
.section--dark .chip svg { color: var(--gold-500); }

/* Bloque de terapia detallado */
.therapy { display: grid; grid-template-columns: 64px 1fr; gap: 22px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.therapy:last-child { border-bottom: none; }
.therapy__ic { width: 64px; height: 64px; border-radius: 16px; background: var(--teal-50); color: var(--teal-700); display: grid; place-items: center; }
.therapy__ic svg { width: 30px; height: 30px; }
.therapy h3 { margin-bottom: 8px; }
.therapy p { margin-bottom: 10px; font-size: 0.99rem; }
.therapy .tags { display: flex; flex-wrap: wrap; gap: 8px; }
.therapy .tags span { font-size: 0.78rem; font-weight: 600; color: var(--teal-700); background: var(--teal-50); padding: 5px 11px; border-radius: 999px; }

/* Split media + texto */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--rev .split__media { order: 2; }
.split__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 5/4; background: linear-gradient(160deg, var(--teal-100), var(--surface-2)); }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.ticklist { list-style: none; padding: 0; margin: 22px 0 0; }
.ticklist li { display: flex; gap: 13px; padding: 9px 0; color: var(--ink-soft); font-size: 1rem; }
.ticklist li svg { width: 22px; height: 22px; color: var(--teal-600); flex: none; margin-top: 2px; }
.section--dark .ticklist li { color: #DCECE9; }
.section--dark .ticklist li svg { color: var(--gold-500); }

/* Pasos / proceso */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step__n { width: 46px; height: 46px; border-radius: 50%; background: var(--surface); border: 1.5px solid var(--teal-300); color: var(--teal-700); display: grid; place-items: center; font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; margin-bottom: 16px; }
.step h4 { font-family: var(--font-body); font-weight: 680; font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.92rem; margin: 0; }

/* Estadísticas */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat .n { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3rem); color: #fff; font-weight: 600; line-height: 1; }
.stat .l { color: #BFD8D4; font-size: 0.95rem; margin-top: 8px; }

/* Testimonios */
.quote { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px; box-shadow: var(--shadow-sm); }
.quote__stars { color: var(--gold-500); letter-spacing: 2px; margin-bottom: 14px; font-size: 1.05rem; }
.quote p { font-size: 1.04rem; color: var(--ink); font-style: italic; margin-bottom: 18px; }
.quote__who { display: flex; align-items: center; gap: 12px; }
.quote__av { width: 44px; height: 44px; border-radius: 50%; background: var(--teal-100); color: var(--teal-700); display: grid; place-items: center; font-weight: 700; font-family: var(--font-display); }
.quote__who b { display: block; font-size: 0.95rem; color: var(--ink); }
.quote__who span { font-size: 0.82rem; color: var(--muted); }

/* Galería de procedimientos reales */
.proc-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.proc-gallery figure { margin: 0; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/5; background: #0d1526; position: relative; }
.proc-gallery img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; display: block; transition: transform .5s var(--ease); }
.proc-gallery figure:hover img { transform: scale(1.05); }
.proc-gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 16px 14px; color: #fff; font-size: 0.85rem; font-weight: 600; background: linear-gradient(to top, rgba(10,16,30,.82), transparent); }
@media (max-width: 680px) { .proc-gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; } }

/* Nota médica / cumplimiento */
.med-note {
  max-width: 820px; margin: 34px auto 0; padding: 16px 22px;
  background: var(--teal-50); border: 1px solid var(--line); border-left: 3px solid var(--gold-500);
  border-radius: 12px; font-size: 0.9rem; color: var(--muted); text-align: left;
}
.section--dark .med-note { background: rgba(255,255,255,.06); color: #CFE2DF; border-color: rgba(255,255,255,.14); border-left-color: var(--gold-500); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; }
.faq summary { cursor: pointer; padding: 20px 24px; font-weight: 620; color: var(--ink); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--teal-600); font-weight: 400; transition: transform .3s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq__body { padding: 0 24px 22px; color: var(--ink-soft); }
.faq .faq__body p { margin: 0; }

/* CTA final */
.cta {
  border-radius: 28px; padding: 62px 48px; text-align: center; color: #fff;
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(201,162,75,0.28), transparent 60%),
    linear-gradient(150deg, var(--teal-700), var(--teal-900));
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.cta h2 { color: #fff; }
.cta p { color: #D3E5E2; max-width: 560px; margin: 0 auto 28px; }
.cta .btn-row { justify-content: center; }

/* ============================ Contacto ============================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.info-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); }
.info-row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.info-row:last-child { border-bottom: none; }
.info-row .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--teal-50); color: var(--teal-700); display: grid; place-items: center; flex: none; }
.info-row .ic svg { width: 22px; height: 22px; }
.info-row b { display: block; color: var(--ink); font-size: 1rem; margin-bottom: 2px; }
.info-row span, .info-row a { color: var(--muted); font-size: 0.95rem; }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 7px; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 12px;
  font-family: var(--font-body); font-size: 1rem; color: var(--ink); background: var(--bg); transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal-600); box-shadow: 0 0 0 4px rgba(20,128,138,.12); }
.field textarea { resize: vertical; min-height: 110px; }
.form .btn { width: 100%; }
.form__note { font-size: 0.82rem; color: var(--muted); text-align: center; margin: 14px 0 0; }

.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); margin-top: 24px; }
.map-embed iframe { display: block; width: 100%; height: 300px; border: 0; }

/* ============================ Footer ============================ */
.site-footer { background: var(--teal-900); color: #C4DAD6; padding: 68px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-weight: 680; font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 18px; }
.site-footer a { color: #A9C6C2; display: block; padding: 6px 0; font-size: 0.94rem; }
.site-footer a:hover { color: #fff; }
.footer-brand .brand__name { color: #fff; }
.footer-brand p { color: #9FBDB9; font-size: 0.95rem; max-width: 300px; margin-top: 16px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; padding: 0; }
.footer-social a:hover { background: var(--teal-600); }
.footer-social svg { width: 20px; height: 20px; fill: currentColor; color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 0.85rem; color: #86A5A1; }

/* ============================ WhatsApp flotante ============================ */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa);
  display: grid; place-items: center; box-shadow: 0 12px 30px rgba(37,211,102,.4);
  transition: transform .25s var(--ease); animation: wapulse 2.6s infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
@keyframes wapulse { 0% { box-shadow: 0 12px 30px rgba(37,211,102,.4), 0 0 0 0 rgba(37,211,102,.5);} 70% { box-shadow: 0 12px 30px rgba(37,211,102,.4), 0 0 0 16px rgba(37,211,102,0);} 100% { box-shadow: 0 12px 30px rgba(37,211,102,.4), 0 0 0 0 rgba(37,211,102,0);} }

/* Page hero pequeño (interiores) */
.page-hero { padding: 64px 0 48px; background: radial-gradient(900px 400px at 80% -20%, rgba(20,128,138,0.12), transparent 60%), var(--bg); }
.page-hero .eyebrow { justify-content: center; }
.page-hero h1 { margin-bottom: 14px; }
.breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--teal-700); }

/* Animación de aparición */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============================ Responsive ============================ */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 420px; margin: 0 auto; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 34px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split--rev .split__media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .section { padding: 66px 0; }
  .nav-links, .nav-cta .btn--outline { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: var(--surface); padding: 18px 24px 24px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav.open .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .therapy { grid-template-columns: 1fr; gap: 14px; }
  .cta { padding: 44px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__float { left: 0; }
  .btn { width: 100%; }
  .btn-row .btn { width: auto; }
  .hero__actions.btn-row .btn { width: 100%; }
}