/* ============================================================
   GLK HEALTH — Gastro Liver Kidney Health
   Design tokens: deep clinical blue + teal (from brand mark) +
   maroon accent (from logotype), warm off-white ground.
   Display: Fraunces / Body: Plus Jakarta Sans
   ============================================================ */

:root {
  /* Colors */
  --color-primary: #0a4c78;
  --color-primary-dark: #063452;
  --color-primary-light: #e8f1f7;
  --color-teal: #1d9a96;
  --color-teal-dark: #147672;
  --color-teal-light: #e3f5f4;
  --color-maroon: #a32638;
  --color-maroon-dark: #7d1c2a;
  --color-gold: #c9a24b;
  --color-bg: #f8fafc;
  --color-bg-alt: #eef4f7;
  --color-surface: #ffffff;
  --color-text: #16262f;
  --color-text-light: #52697a;
  --color-text-faint: #8098a8;
  --color-border: #dde7ec;

  /* Type */
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;

  /* Layout */
  --container: 1200px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 10px rgba(10, 76, 120, 0.06);
  --shadow-md: 0 12px 30px rgba(10, 76, 120, 0.1);
  --shadow-lg: 0 24px 60px rgba(10, 76, 120, 0.16);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

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

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

p { margin: 0 0 1em; color: var(--color-text-light); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 100px 0; position: relative; }
@media (max-width: 768px) { section { padding: 64px 0; } }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-dark);
  background: var(--color-teal-light);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-maroon);
}

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.section-head p { font-size: 1.05rem; }

/* Split accent - the two-specialist signature motif */
.dual-rule {
  display: flex;
  width: 64px;
  height: 5px;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
}
.dual-rule span:first-child { flex: 1; background: var(--color-primary); }
.dual-rule span:last-child { flex: 1; background: var(--color-teal); }
.center .dual-rule { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { box-shadow: var(--shadow-lg); background: var(--color-primary-dark); }
.btn-teal { background: var(--color-teal); color: #fff; box-shadow: 0 12px 30px rgba(29,154,150,0.25); }
.btn-teal:hover { background: var(--color-teal-dark); }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-outline.on-dark { color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline.on-dark:hover { background: #fff; color: var(--color-primary-dark); }
.btn-white { background: #fff; color: var(--color-primary); box-shadow: var(--shadow-md); }
.btn-sm { padding: 11px 22px; font-size: 0.85rem; }
.btn-block { width: 100%; }

.ripple { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.5); transform: scale(0); animation: ripple-anim 0.6s ease-out; pointer-events: none; }
@keyframes ripple-anim { to { transform: scale(3); opacity: 0; } }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(248,250,252,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
  padding: 18px 0;
}
.site-header.scrolled {
  padding: 10px 0;
  background: rgba(255,255,255,0.96);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-display); font-size: 1.35rem; color: var(--color-primary-dark); }
.brand-text span { font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-teal-dark); font-weight: 700; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--color-text);
  border-radius: 100px;
  transition: all 0.25s ease;
  position: relative;
}
.main-nav a:hover, .main-nav a.active { background: var(--color-primary-light); color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.call-btn {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--color-primary-dark); font-size: 0.9rem;
}
.call-btn .icon-circle {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--color-teal-light); color: var(--color-teal-dark);
  display: flex; align-items: center; justify-content: center;
}

.hamburger {
  display: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  align-items: center; justify-content: center;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.hamburger span { width: 20px; height: 2px; background: var(--color-primary-dark); transition: all 0.3s ease; border-radius: 2px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 992px) {
  .main-nav { position: fixed; top: 0; right: -100%; width: 78%; max-width: 340px; height: 100vh;
    background: #fff; flex-direction: column; align-items: stretch; padding: 100px 28px 28px;
    box-shadow: -10px 0 40px rgba(0,0,0,0.12); transition: right var(--transition); gap: 6px; z-index: 999; }
  .main-nav.open { right: 0; }
  .main-nav a { padding: 14px 16px; font-size: 1.05rem; }
  .hamburger { display: flex; }
  .call-btn span.call-label { display: none; }
  .header-actions .btn-teal.book-desktop { display: none; }
}
.nav-overlay { position: fixed; inset: 0; background: rgba(10,20,30,0.45); z-index: 998; opacity: 0; pointer-events: none; transition: opacity var(--transition); }
.nav-overlay.open { opacity: 1; pointer-events: auto; }

/* ============================================================
   HERO IMAGE SLIDER
   ============================================================ */
.hero-slider {
  position: relative;
  width: 100%;
  height: clamp(220px, 39.32vw, 720px); /* 755/1920 ratio, capped 220–720px */
  margin-top: 83px; /* clear the fixed header so the slider isn't hidden behind it */
  padding: 0; /* override the global `section { padding }` rule — slider must be edge-to-edge */
  overflow: hidden;
  background: var(--color-primary-dark);
}

.hero-slider-track { position: relative; width: 100%; height: 100%; }

.hero-slider .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease;
  z-index: 1;
}
.hero-slider .slide.active { opacity: 1; visibility: visible; z-index: 2; }
.hero-slider .slide img { width: 100%; height: 100%; object-fit: cover; display: block; }

.slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.85); color: var(--color-primary-dark);
  border: none; display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; cursor: pointer; z-index: 5;
  box-shadow: var(--shadow-md);
  transition: background 0.25s ease, transform 0.25s ease;
}
.slider-arrow:hover { background: #fff; transform: translateY(-50%) scale(1.08); }
.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }
@media (max-width: 576px) {
  .slider-arrow { width: 38px; height: 38px; font-size: 0.9rem; }
  .slider-arrow.prev { left: 10px; }
  .slider-arrow.next { right: 10px; }
}

.slider-dots {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
}
.slider-dots .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.55); border: none; padding: 0; cursor: pointer;
  transition: all 0.3s ease;
}
.slider-dots .dot.active { background: #fff; width: 26px; border-radius: 6px; }

.floating-appt {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  display: flex; align-items: center; gap: 10px;
  background: var(--color-maroon); color: #fff;
  padding: 15px 22px; border-radius: 100px; box-shadow: 0 16px 34px rgba(163,38,56,0.35);
  font-weight: 700; font-size: 0.9rem;
  transition: transform var(--transition);
  animation: pulse-glow 2.6s ease-in-out infinite;
}
.floating-appt:hover { transform: translateY(-4px) scale(1.03); }
@keyframes pulse-glow { 0%,100% { box-shadow: 0 16px 34px rgba(163,38,56,0.35);} 50% { box-shadow: 0 16px 44px rgba(163,38,56,0.55);} }
@media (max-width: 576px) { .floating-appt span { display: none; } .floating-appt { padding: 15px; } }

/* ============================================================
   ABOUT PREVIEW
   ============================================================ */
.about-preview { background: var(--color-surface); }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-visual { position: relative; }
.about-visual .tile-a, .about-visual .tile-b { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.about-visual .tile-a { background: linear-gradient(160deg,var(--color-primary),var(--color-primary-dark)); aspect-ratio: 3/3.6; display:flex; align-items:center; justify-content:center; color:#fff; font-size:3.4rem; }
.about-visual .tile-b { background: linear-gradient(160deg, var(--color-teal), var(--color-teal-dark)); aspect-ratio: 4/3; position: absolute; bottom: -34px; right: -34px; width: 55%; display:flex; align-items:center; justify-content:center; color:#fff; font-size:2.6rem; border: 6px solid #fff; }
@media (max-width: 900px) { .about-visual { margin-bottom: 40px; } .about-visual .tile-b { right: 0; } }

.check-list { list-style: none; padding: 0; margin: 26px 0; display: grid; gap: 14px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; font-weight: 600; color: var(--color-text); }
.check-list li .tick { width: 26px; height: 26px; border-radius: 50%; background: var(--color-teal-light); color: var(--color-teal-dark); display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size: 0.8rem; }

/* ============================================================
   DOCTORS
   ============================================================ */
.doctors-section { background: var(--color-bg-alt); }
.doctor-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .doctor-cards { grid-template-columns: 1fr; } }

.doctor-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--color-border);
  display: flex; flex-direction: column;
}
.doctor-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.doctor-card .dc-media {
  aspect-ratio: 16/11;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.6rem; color: #fff; position: relative; overflow: hidden;
}
.doctor-card.gastro .dc-media { background: linear-gradient(150deg, var(--color-primary), #0f6f9c); }
.doctor-card.nephro .dc-media { background: linear-gradient(150deg, var(--color-teal), var(--color-teal-dark)); }
.dc-media img { width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.dc-media .tag { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.92); color: var(--color-primary-dark); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 7px 14px; border-radius: 100px; }
.dc-body { padding: 30px 30px 32px; flex: 1; display: flex; flex-direction: column; }
.dc-body h3 { font-size: 1.4rem; margin-bottom: 4px; }
.dc-role { color: var(--color-teal-dark); font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }
.dc-qual { font-size: 0.88rem; color: var(--color-text-light); margin-bottom: 14px; line-height: 1.6; }
.dc-meta { display: flex; gap: 18px; margin-bottom: 16px; flex-wrap: wrap; }
.dc-meta span { font-size: 0.82rem; font-weight: 700; color: var(--color-primary-dark); display: flex; align-items: center; gap: 6px; }
.dc-expertise { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.dc-expertise span { background: var(--color-bg-alt); color: var(--color-text); font-size: 0.76rem; font-weight: 600; padding: 6px 12px; border-radius: 100px; border: 1px solid var(--color-border); }
.dc-actions { display: flex; gap: 12px; margin-top: auto; }
.dc-actions .btn { flex: 1; }

/* ============================================================
   SERVICES
   ============================================================ */
.services-section { background: var(--color-surface); }
.service-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 44px; flex-wrap: wrap; }
.service-tab { padding: 10px 22px; border-radius: 100px; border: 1px solid var(--color-border); background: #fff; font-weight: 700; font-size: 0.85rem; cursor: pointer; transition: all 0.25s ease; }
.service-tab.active, .service-tab:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 992px) { .service-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .service-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; inset: 0; opacity: 0;
  background: linear-gradient(160deg, var(--color-primary), var(--color-teal));
  transition: opacity var(--transition);
  z-index: 0;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card > * { position: relative; z-index: 1; }
.service-card .sc-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--color-teal-light); color: var(--color-teal-dark);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  margin-bottom: 18px; transition: all var(--transition);
}
.service-card:hover .sc-icon { background: rgba(255,255,255,0.2); color: #fff; }
.service-card h4 { font-size: 1.12rem; margin-bottom: 8px; transition: color var(--transition); }
.service-card:hover h4 { color: #fff; }
.service-card p { font-size: 0.9rem; margin-bottom: 0; transition: color var(--transition); }
.service-card:hover p { color: rgba(255,255,255,0.92); }
.service-card .cat-dot { position: absolute; top: 22px; right: 24px; width: 9px; height: 9px; border-radius: 50%; z-index: 1; }
.service-card.gastro .cat-dot { background: var(--color-primary); }
.service-card.nephro .cat-dot { background: var(--color-teal); }
.service-card:hover .cat-dot { background: #fff; }

/* detailed service block for services.html */
.service-detail-grid { display: grid; gap: 28px; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 760px) { .service-detail-grid { grid-template-columns: 1fr; } }
.service-detail-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-sm); }
.service-detail-card .sdc-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.service-detail-card .sdc-icon { width: 48px; height: 48px; border-radius: 13px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; color: #fff; flex-shrink: 0; }
.service-detail-card.gastro .sdc-icon { background: var(--color-primary); }
.service-detail-card.nephro .sdc-icon { background: var(--color-teal); }
.service-detail-card h4 { margin: 0; font-size: 1.1rem; }
.service-detail-card ul { margin: 14px 0 0; padding-left: 20px; color: var(--color-text-light); font-size: 0.9rem; }
.service-detail-card ul li { margin-bottom: 6px; }

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-section { background: var(--color-bg-alt); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 992px) { .why-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }
.why-card { background: #fff; border-radius: var(--radius-md); padding: 30px 24px; text-align: center; box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition); }
.why-card:hover { transform: translateY(-6px) rotate(-0.5deg); box-shadow: var(--shadow-md); }
.why-card .wc-icon { width: 62px; height: 62px; border-radius: 50%; margin: 0 auto 16px; background: linear-gradient(150deg, var(--color-primary-light), var(--color-teal-light)); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.why-card h4 { font-size: 1.02rem; margin-bottom: 6px; }
.why-card p { font-size: 0.85rem; margin: 0; }

/* ============================================================
   APPOINTMENT CTA
   ============================================================ */
.appt-cta { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 55%, var(--color-teal-dark)); color: #fff; border-radius: var(--radius-lg); margin: 0 24px; padding: 60px; position: relative; overflow: hidden; }
.appt-cta::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.14), transparent 55%); }
.appt-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.appt-inner h2 { color: #fff; margin-bottom: 8px; font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.appt-inner p { color: rgba(255,255,255,0.85); margin: 0; }
.appt-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonial-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 992px) { .testimonial-track { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 700px) { .testimonial-track { grid-template-columns: 1fr; } }
.testimonial-card { background: #fff; border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.testimonial-card .stars { color: var(--color-gold); margin-bottom: 12px; font-size: 0.9rem; }
.testimonial-card p.quote { font-style: italic; color: var(--color-text); font-size: 0.95rem; }
.testimonial-person { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.testimonial-person .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--color-teal-light); color: var(--color-teal-dark); display: flex; align-items: center; justify-content: center; font-weight: 700; }
.testimonial-person strong { display: block; font-size: 0.9rem; color: var(--color-primary-dark); }
.testimonial-person span { font-size: 0.78rem; color: var(--color-text-faint); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; font-weight: 700; color: var(--color-primary-dark); }
.faq-question .plus { transition: transform 0.3s ease; color: var(--color-teal); font-size: 1.3rem; }
.faq-item.open .faq-question .plus { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer p { padding: 0 24px 20px; margin: 0; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info-card { background: var(--color-primary-dark); color: #fff; border-radius: var(--radius-lg); padding: 40px; }
.contact-info-card h3 { color: #fff; }
.contact-row { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,0.14); }
.contact-row:last-of-type { border-bottom: none; }
.contact-row .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-row strong { display: block; font-size: 0.95rem; margin-bottom: 2px; }
.contact-row span, .contact-row a { font-size: 0.86rem; color: rgba(255,255,255,0.78); }
.map-placeholder { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--color-bg-alt), var(--color-primary-light)); display: flex; align-items: center; justify-content: center; color: var(--color-text-faint); font-weight: 700; border: 1px dashed var(--color-border); margin-top: 22px; }

.appt-form { background: #fff; border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-md); border: 1px solid var(--color-border); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group.full { grid-column: 1/-1; }
.form-group label { font-size: 0.85rem; font-weight: 700; color: var(--color-primary-dark); }
.form-group input, .form-group select, .form-group textarea {
  padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  font-family: var(--font-body); font-size: 0.94rem; background: var(--color-bg); transition: all 0.25s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-teal); box-shadow: 0 0 0 4px var(--color-teal-light); background: #fff;
}
.form-group .error-msg { font-size: 0.78rem; color: var(--color-maroon); display: none; }
.form-group.invalid input, .form-group.invalid select, .form-group.invalid textarea { border-color: var(--color-maroon); }
.form-group.invalid .error-msg { display: block; }
.form-success { display: none; background: var(--color-teal-light); color: var(--color-teal-dark); padding: 16px 20px; border-radius: var(--radius-sm); font-weight: 700; margin-bottom: 20px; align-items: center; gap: 10px; }
.form-success.show { display: flex; }
.form-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero { padding: 170px 0 80px; background: linear-gradient(180deg,#eaf3f8,var(--color-bg)); text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content:""; position:absolute; top:-100px; right:-100px; width:400px; height:400px; border-radius:50%; background: radial-gradient(circle, rgba(29,154,150,0.14), transparent 70%); }
.breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: 0.85rem; font-weight: 700; color: var(--color-text-light); margin-top: 14px; }
.breadcrumb a { color: var(--color-teal-dark); }
.page-hero h1 { font-size: clamp(2rem, 3.6vw, 2.9rem); }

/* stats strip */
.stats-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 40px; margin-top: -70px; position: relative; z-index: 5; }
@media (max-width: 760px) { .stats-strip { grid-template-columns: repeat(2,1fr); margin-top: -40px; padding: 26px; } }
.stats-strip .stat { text-align: center; }
.stats-strip .stat strong { display: block; font-family: var(--font-display); font-size: 2.2rem; color: var(--color-primary); }
.stats-strip .stat span { font-size: 0.82rem; font-weight: 700; color: var(--color-text-light); }

/* values / story grid */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 992px) { .values-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .values-grid { grid-template-columns: 1fr; } }
.value-card { padding: 28px; border-radius: var(--radius-md); background: var(--color-surface); border: 1px solid var(--color-border); }
.value-card .vc-icon { width: 50px; height: 50px; border-radius: 13px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 14px; }

.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
@media (max-width: 900px) { .process-steps { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .process-steps { grid-template-columns: 1fr; } }
.process-step { position: relative; padding: 30px 24px 24px; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.process-step .step-num { font-family: var(--font-display); font-size: 2.4rem; color: var(--color-teal-light); font-weight: 700; position: absolute; top: 12px; right: 18px; }
.process-step h4 { font-size: 1rem; margin-bottom: 6px; }
.process-step p { font-size: 0.86rem; margin: 0; }

/* doctor full profile */
.doctor-profile { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 50px; align-items: flex-start; margin-bottom: 90px; }
@media (max-width: 900px) { .doctor-profile { grid-template-columns: 1fr; } }
.doctor-profile:last-child { margin-bottom: 0; }
.dp-media { border-radius: var(--radius-lg); aspect-ratio: 3/3.4; display: flex; align-items: center; justify-content: center; font-size: 4.5rem; color: #fff; box-shadow: var(--shadow-md); position: sticky; top: 110px; overflow: hidden; }
.doctor-profile.gastro .dp-media { background: linear-gradient(160deg, var(--color-primary), #0f6f9c); }
.doctor-profile.nephro .dp-media { background: linear-gradient(160deg, var(--color-teal), var(--color-teal-dark)); }
.dp-media img { width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.dp-info h3 { font-size: 1.9rem; margin-bottom: 4px; }
.dp-role { color: var(--color-teal-dark); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.06em; margin-bottom: 16px; }
.dp-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.dp-badges span { background: var(--color-bg-alt); border: 1px solid var(--color-border); padding: 8px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 700; color: var(--color-primary-dark); }
.dp-block { margin-bottom: 22px; }
.dp-block h5 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-primary-dark); margin-bottom: 10px; }
.dp-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.dp-list li { display: flex; gap: 10px; font-size: 0.92rem; color: var(--color-text-light); }
.dp-list li::before { content: "—"; color: var(--color-teal); flex-shrink: 0; }
.dp-timing { background: var(--color-primary-light); border-radius: var(--radius-sm); padding: 18px 22px; display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.dp-timing strong { display: block; color: var(--color-primary-dark); }
.dp-timing span { font-size: 0.85rem; color: var(--color-text-light); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); padding-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.9fr 1fr 1.1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.12); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin: 16px 0 20px; max-width: 300px; }
.social-icons { display: flex; gap: 10px; }
.social-icons a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; transition: all 0.25s ease; }
.social-icons a:hover { background: var(--color-teal); transform: translateY(-3px); }
.footer-col h5 { color: #fff; font-family: var(--font-body); font-weight: 700; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 20px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer-col ul a { font-size: 0.9rem; color: rgba(255,255,255,0.7); transition: color 0.25s ease; }
.footer-col ul a:hover { color: var(--color-teal); }
.footer-col .f-contact-row { display: flex; gap: 10px; font-size: 0.88rem; color: rgba(255,255,255,0.7); margin-bottom: 12px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 26px 0; font-size: 0.82rem; color: rgba(255,255,255,0.55); flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: rgba(255,255,255,0.75); }

.back-to-top {
  position: fixed; right: 24px; bottom: 90px; z-index: 899;
  width: 46px; height: 46px; border-radius: 50%;
  background: #fff; color: var(--color-primary); box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: all var(--transition); cursor: pointer;
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ============================================================
   SCROLL REVEAL ANIMATION UTILITIES
   ============================================================ */
[data-aos] { opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease; }
[data-aos="fade-up"] { transform: translateY(36px); }
[data-aos="fade-left"] { transform: translateX(-36px); }
[data-aos="fade-right"] { transform: translateX(36px); }
[data-aos="zoom-in"] { transform: scale(0.92); }
[data-aos].aos-in { opacity: 1; transform: translate(0,0) scale(1); }

@media (prefers-reduced-motion: reduce) {
  [data-aos] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .floating-appt { animation: none !important; }
}

/* Skip link for accessibility */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff; padding: 12px 20px; z-index: 2000; border-radius: 0 0 10px 0; }
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--color-teal); outline-offset: 2px; }