:root {
  --teal-900: #0b3b3c;
  --teal-700: #0f6466;
  --teal-500: #14b8a6;
  --teal-100: #d7f2ef;
  --teal-050: #f1faf9;
  --ink:      #12211f;
  --body:     #4a5b59;
  --line:     #e2ecea;
  --white:    #ffffff;
  --wa:       #25d366;
  --radius:   14px;
  --shadow:   0 1px 2px rgba(11,59,60,.05), 0 12px 32px -12px rgba(11,59,60,.18);
  --wrap:     1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--body);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px; /* clears the mobile call bar */
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; font-weight: 700; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.35rem); }
h3 { font-size: 1.2rem; }

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

.wrap  { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--body); }
.link  { font-weight: 600; }
.link:hover { text-decoration: underline; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px;
  background: var(--teal-500);
  color: var(--white);
  font-weight: 600; font-size: .95rem;
  border: 0; border-radius: 999px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover     { background: var(--teal-700); transform: translateY(-2px); box-shadow: 0 10px 24px -10px rgba(15,100,102,.6); }
.btn-sm        { padding: 9px 18px; font-size: .875rem; }
.btn-ghost     { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: var(--teal-050); border-color: var(--teal-500); color: var(--teal-700); transform: translateY(-2px); box-shadow: none; }
.btn-wa        { background: var(--wa); }
.btn-wa:hover  { background: #1da851; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  background: var(--teal-500); color: var(--white);
  border-radius: 11px;
  font-weight: 800; font-size: 1.15rem;
}
.brand-text { font-weight: 700; color: var(--ink); font-size: 1.05rem; letter-spacing: -.02em; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--body); font-weight: 500; font-size: .95rem; }
.nav a:hover, .nav a.active { color: var(--teal-700); }
.nav a.btn { color: var(--white); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--teal-050) 0%, #ffffff 70%);
  border-bottom: 1px solid var(--line);
  padding: clamp(56px, 9vw, 104px) 0;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-block;
  background: var(--teal-100); color: var(--teal-700);
  padding: 6px 14px; border-radius: 999px;
  font-size: .8rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 { margin-bottom: 18px; }
.hero p.lead { font-size: 1.12rem; max-width: 46ch; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.hero-card h3 { margin-bottom: 16px; }
.hero-card ul { list-style: none; display: grid; gap: 12px; }
.hero-card li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; }
.hero-card li::before { content: "✓"; color: var(--teal-500); font-weight: 800; flex: none; }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 88px) 0; }
.section--alt { background: var(--teal-050); }
.section-head { max-width: 60ch; margin: 0 auto 48px; text-align: center; }
.section-head h2 { margin-bottom: 12px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--teal-100); }
.card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--teal-050);
  border-radius: 12px;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p  { font-size: .94rem; }

/* ---------- Doctors ---------- */
.doctor { text-align: center; }
.doctor__photo {
  width: 132px; height: 132px;
  margin: 0 auto 18px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--teal-100);
  border: 4px solid var(--white);
  box-shadow: var(--shadow);
}
.doctor__degree { color: var(--teal-700); font-weight: 600; font-size: .875rem; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
.stat__num { display: block; font-size: 2.25rem; font-weight: 800; color: var(--teal-700); letter-spacing: -.03em; }
.stat__label { font-size: .9rem; }

/* ---------- CTA ---------- */
.cta { background: var(--teal-900); color: #b9d6d4; text-align: center; padding: clamp(56px, 8vw, 84px) 0; }
.cta h2 { color: var(--white); margin-bottom: 12px; }
.cta p  { margin-bottom: 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cta .btn-ghost { color: var(--white); border-color: rgba(255,255,255,.3); }
.cta .btn-ghost:hover { background: rgba(255,255,255,.1); color: var(--white); border-color: var(--white); }

/* ---------- Booking form ---------- */
.book-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 32px;
}
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .875rem; color: var(--ink); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit; font-size: .95rem;
  color: var(--ink);
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px var(--teal-100);
}
.field textarea { resize: vertical; min-height: 92px; }
.form-note { font-size: .85rem; margin-top: 14px; text-align: center; }
.form-alert { padding: 12px 16px; border-radius: 10px; font-size: .9rem; font-weight: 600; margin-bottom: 20px; }
.form-alert--error { background: #fde8e8; color: #b42318; border: 1px solid #f7c9c9; }

.map-embed {
  width: 100%; height: 100%; min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 20px;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--teal-900); color: #9dc0be; padding: 64px 0 0; }
.site-footer h4 { color: var(--white); font-size: .95rem; margin-bottom: 16px; }
.site-footer .muted { color: #9dc0be; }
.site-footer a { color: var(--teal-100); }
.site-footer address { font-style: normal; font-size: .93rem; margin-bottom: 12px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 40px; padding-bottom: 52px; }
.brand--footer { margin-bottom: 14px; }
.brand--footer .brand-text { color: var(--white); }
.footer-grid .btn-wa { margin-top: 10px; }

.hours { list-style: none; font-size: .9rem; }
.hours li { display: flex; justify-content: space-between; gap: 16px; padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,.07); }

.copyright { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; padding-bottom: 22px; font-size: .875rem; text-align: center; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 84px; z-index: 60;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--wa); color: var(--white);
  border-radius: 50%;
  box-shadow: 0 8px 24px -6px rgba(37,211,102,.7);
  transition: transform .18s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Mobile call bar ---------- */
.call-bar { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .book-grid { grid-template-columns: 1fr; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav {
    display: none;
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 20px;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav a.btn { margin-top: 14px; border-bottom: 0; justify-content: center; }
  .nav-toggle { display: flex; }

  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }

  .call-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    display: flex;
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 -4px 20px -8px rgba(11,59,60,.25);
  }
  .call-bar__btn {
    flex: 1;
    padding: 17px 8px;
    text-align: center;
    font-weight: 700; font-size: .95rem;
    color: var(--teal-700);
  }
  .call-bar__btn--wa { color: var(--white); background: var(--wa); }

  .wa-float { display: none; }
}