/* ============================================================
   Dr. Steve Explains — Design System
   Clean clinical aesthetic · white + deep medical blue
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- Design Tokens ---------- */
:root {
  /* Color */
  --color-primary: #0A4D8C;
  --color-primary-dark: #073A6B;
  --color-primary-light: #E8F1FA;
  --color-accent: #0E7C9B;
  --color-accent-soft: #D1ECF3;
  --color-text: #0F172A;
  --color-text-muted: #475569;
  --color-text-subtle: #64748B;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-tint: #F1F7FD;
  --color-border: #E2E8F0;
  --color-border-light: #EFF3F7;
  --color-success: #047857;
  --color-success-bg: #ECFDF5;
  --color-whatsapp: #25D366;
  --color-warning: #B45309;

  /* Typography */
  --font-display: 'Fraunces', 'Source Serif Pro', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing & Layout */
  --container: 1200px;
  --container-narrow: 960px;
  --section-y: clamp(4rem, 8vw, 7rem);

  /* Shape */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(10, 77, 140, 0.14);

  /* Motion */
  --transition: 200ms ease;
  --transition-slow: 350ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Typography Scale ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text);
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 400; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { color: var(--color-text-muted); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); line-height: 1.55; color: var(--color-text-muted); }
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 1.5rem; }
section { padding: var(--section-y) 0; }
.section-header { max-width: 720px; margin: 0 auto 3rem; text-align: center; }
.section-header.left { margin-left: 0; text-align: left; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn--ghost:hover { background: var(--color-primary-light); border-color: var(--color-primary-light); }
.btn--white {
  background: #fff;
  color: var(--color-primary);
}
.btn--white:hover { background: var(--color-bg-alt); transform: translateY(-1px); }
.btn--lg { padding: 1.125rem 2.25rem; font-size: 1rem; }
.btn--sm { padding: 0.625rem 1.125rem; font-size: 0.875rem; }
.btn .icon { width: 18px; height: 18px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border-light);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--container);
  margin: 0 auto;
  gap: 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-display); font-weight: 500; font-size: 1.0625rem; color: var(--color-text); }
.brand-tag { font-size: 0.75rem; color: var(--color-text-subtle); font-weight: 400; letter-spacing: 0.02em; }

.nav-links { display: flex; align-items: center; gap: 0.5rem; }
.nav-links a {
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-cta { display: flex; align-items: center; gap: 0.75rem; }
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}
.nav-phone .icon { width: 16px; height: 16px; color: var(--color-accent); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.nav-toggle:hover { background: var(--color-bg-alt); }
.nav-toggle .icon { width: 22px; height: 22px; }

@media (max-width: 960px) {
  .nav-links, .nav-phone { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn { padding: 0.625rem 1rem; font-size: 0.875rem; }
}

/* Mobile menu drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.mobile-menu[data-open="true"] { opacity: 1; visibility: visible; }
.mobile-menu-panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(360px, 90vw);
  background: #fff;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}
.mobile-menu[data-open="true"] .mobile-menu-panel { transform: translateX(0); }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.mobile-menu a {
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius);
  border-bottom: 1px solid var(--color-border-light);
}
.mobile-menu a:hover { background: var(--color-primary-light); color: var(--color-primary); }
.mobile-menu-cta { margin-top: auto; padding-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) 0 var(--section-y);
  background:
    radial-gradient(ellipse 80% 60% at 80% 0%, var(--color-primary-light) 0%, transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero-content { max-width: 560px; }
.hero h1 { margin-bottom: 1.25rem; }
.hero h1 em { font-style: italic; color: var(--color-primary); font-weight: 400; }
.hero .lede { margin-bottom: 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2.5rem; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border);
}
.hero-trust-item { display: flex; flex-direction: column; }
.hero-trust-item strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1;
}
.hero-trust-item span {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  margin-top: 0.375rem;
}

/* Hero image */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 480px;
  margin-left: auto;
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: -1.5rem -1.5rem auto auto;
  width: 70%;
  height: 70%;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  z-index: 0;
}
.hero-visual::after {
  content: '';
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  width: 50%;
  height: 40%;
  background: var(--color-accent-soft);
  border-radius: var(--radius-lg);
  z-index: 0;
}
.hero-image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* Floating credential badge over hero image */
.hero-badge {
  position: absolute;
  bottom: 1.5rem;
  right: -2rem;
  z-index: 2;
  background: #fff;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.875rem;
  /* max-width: 240px; */
  max-width: 300px;
}
.hero-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-success-bg);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-badge-text { font-size: 0.8125rem; line-height: 1.3; color: var(--color-text); }
.hero-badge-text strong { display: block; font-weight: 600; color: var(--color-text); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin: 2rem auto 0; max-width: 380px; }
  .hero-badge { right: 0; }
}

/* ---------- Image Placeholder ---------- */
.img-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    repeating-linear-gradient(135deg, transparent 0, transparent 14px, rgba(10,77,140,0.04) 14px, rgba(10,77,140,0.04) 15px),
    var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  padding: 1rem;
}
.img-placeholder::after {
  content: 'Replace with photo';
  display: block;
  font-size: 0.6875rem;
  color: var(--color-text-subtle);
  margin-top: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: none;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
  padding: 2rem 0;
}
.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem 3rem;
}
.trust-bar-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
}
.trust-bar-items { display: flex; flex-wrap: wrap; gap: 1.25rem 2.5rem; align-items: center; }
.trust-institution {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
}

/* ---------- Cards (generic) ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.card-icon .icon { width: 24px; height: 24px; }
.card h3 { margin-bottom: 0.625rem; }
.card p { font-size: 0.9375rem; }

/* ---------- Specialties Grid ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }

/* ---------- Hospital Cards ---------- */
.hospital-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.hospital-card:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-md); }
.hospital-card-header {
  padding: 1.5rem;
  background: var(--color-bg-tint);
  border-bottom: 1px solid var(--color-border);
}
.hospital-card-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: #fff;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}
.hospital-card-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 0.25rem;
}
.hospital-card-area { font-size: 0.875rem; color: var(--color-text-subtle); }
.hospital-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.hospital-info {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.75rem;
  align-items: start;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.hospital-info .icon { width: 18px; height: 18px; color: var(--color-accent); margin-top: 2px; }
.hospital-info strong { display: block; font-weight: 600; font-size: 0.8125rem; color: var(--color-text-subtle); margin-bottom: 0.125rem; text-transform: uppercase; letter-spacing: 0.05em; }
.hospital-card-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  gap: 0.5rem;
}
.hospital-card-footer .btn { flex: 1; }

/* ---------- Section Variants ---------- */
.section--alt { background: var(--color-bg-alt); }
.section--primary {
  background: var(--color-primary);
  color: #fff;
}
.section--primary h1, .section--primary h2, .section--primary h3 { color: #fff; }
.section--primary p { color: rgba(255, 255, 255, 0.85); }
.section--primary .eyebrow { color: var(--color-accent-soft); }
.section--primary .eyebrow::before { background: var(--color-accent-soft); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
}
.cta-banner h2 { color: #fff; margin-bottom: 0.75rem; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); font-size: 1.0625rem; }
.cta-banner-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: flex-end; }
@media (max-width: 760px) {
  .cta-banner-inner { grid-template-columns: 1fr; }
  .cta-banner-actions { justify-content: flex-start; }
}

/* ---------- Testimonials Carousel ---------- */
.testimonials { position: relative; }
.testimonial-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 1.5rem;
  padding: 0.5rem;
  margin: 0 -0.5rem;
  scrollbar-width: none;
}
.testimonial-track::-webkit-scrollbar { display: none; }
.testimonial {
  flex: 0 0 calc(100% / 1 - 0px);
  scroll-snap-align: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}
@media (min-width: 768px) {
  .testimonial { flex: 0 0 calc(50% - 12px); padding: 2.5rem; }
}
@media (min-width: 1024px) {
  .testimonial { flex: 0 0 calc(33.333% - 16px); }
}
.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  font-style: italic;
  position: relative;
  flex: 1;
}
.testimonial-quote::before {
  content: '“';
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.8;
  color: var(--color-accent-soft);
  position: absolute;
  top: -1rem;
  left: -0.5rem;
  z-index: -1;
}
.testimonial-author { display: flex; align-items: center; gap: 0.875rem; padding-top: 1rem; border-top: 1px solid var(--color-border-light); }
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9375rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; color: var(--color-text); font-size: 0.9375rem; }
.testimonial-role { font-size: 0.8125rem; color: var(--color-text-subtle); }
.carousel-controls { display: flex; justify-content: center; gap: 0.5rem; margin-top: 2rem; }
.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.carousel-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.carousel-btn .icon { width: 20px; height: 20px; }

/* ---------- Forms ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow);
}
.form-grid { display: grid; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.4375rem; }
.field label { font-size: 0.875rem; font-weight: 500; color: var(--color-text); }
.field label .req { color: #B91C1C; margin-left: 2px; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: all var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.field textarea { min-height: 120px; resize: vertical; font-family: inherit; }
.field-help { font-size: 0.8125rem; color: var(--color-text-subtle); }
.honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.hospital-radio-group { display: grid; gap: 0.75rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .hospital-radio-group { grid-template-columns: repeat(3, 1fr); } }
.hospital-radio {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  background: #fff;
}
.hospital-radio:hover { border-color: var(--color-primary); }
.hospital-radio input { position: absolute; opacity: 0; pointer-events: none; }
.hospital-radio:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}
.hospital-radio-name { font-weight: 600; font-size: 0.9375rem; color: var(--color-text); margin-bottom: 0.25rem; }
.hospital-radio-meta { font-size: 0.8125rem; color: var(--color-text-subtle); }

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
}
.form-success.show { display: block; }
.form-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-success-bg);
  color: var(--color-success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

/* ---------- Video Grid ---------- */
.video-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.video-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--color-primary-light);
  overflow: hidden;
}
.video-thumb iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }
.video-meta { padding: 1.25rem 1.5rem; }
.video-meta h3 { font-size: 1.0625rem; margin-bottom: 0.375rem; }
.video-meta-row { display: flex; gap: 1rem; font-size: 0.8125rem; color: var(--color-text-subtle); margin-top: 0.5rem; }

/* ---------- Blog ---------- */
.blog-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--color-primary-light); }
.blog-card-image {
  aspect-ratio: 16/10;
  background: var(--color-primary-light);
  overflow: hidden;
}
.blog-card-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; flex: 1; }
.blog-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.blog-card h3 { font-size: 1.125rem; line-height: 1.3; }
.blog-card-meta { display: flex; gap: 1rem; font-size: 0.8125rem; color: var(--color-text-subtle); margin-top: auto; padding-top: 0.75rem; }
.blog-card-link { color: var(--color-primary); font-weight: 500; font-size: 0.9375rem; display: inline-flex; align-items: center; gap: 0.375rem; margin-top: 0.5rem; }

/* ---------- About / Credentials ---------- */
.cred-list { display: flex; flex-direction: column; gap: 1.25rem; }
.cred-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: start;
}
.cred-item:last-child { border-bottom: none; }
.cred-tag {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-light);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  height: fit-content;
}
.cred-body strong { display: block; font-weight: 600; color: var(--color-text); margin-bottom: 0.25rem; }
.cred-body span { font-size: 0.9375rem; color: var(--color-text-muted); }

/* ---------- Service category list ---------- */
.service-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}
.service-block:first-of-type { border-top: none; padding-top: 0; }
.service-block-header h3 { margin-bottom: 0.5rem; }
.service-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.service-pill {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: all var(--transition);
}
.service-pill:hover { background: var(--color-primary-light); border-color: var(--color-primary-light); }
.service-pill .check {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}
@media (max-width: 760px) {
  .service-block { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 0; }
}

/* ---------- Page Header ---------- */
.page-header {
  background: linear-gradient(180deg, var(--color-bg-tint) 0%, transparent 100%);
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--color-border-light);
}
.page-header-inner { max-width: 760px; }
.page-header h1 { margin-bottom: 1rem; }
.breadcrumb { font-size: 0.8125rem; color: var(--color-text-subtle); margin-bottom: 1rem; display: flex; gap: 0.5rem; align-items: center; }
.breadcrumb a { color: var(--color-text-subtle); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ---------- Footer ---------- */
.site-footer {
  background: #0A1929;
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 2rem;
  font-size: 0.9375rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-tag { color: rgba(255, 255, 255, 0.6); }
.footer-brand p { color: rgba(255, 255, 255, 0.65); margin: 1rem 0; max-width: 320px; font-size: 0.9375rem; }
.footer-col h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-col a { color: rgba(255, 255, 255, 0.7); transition: color var(--transition); font-size: 0.9375rem; }
.footer-col a:hover { color: #fff; }
.footer-contact-item { display: flex; align-items: start; gap: 0.625rem; margin-bottom: 0.875rem; line-height: 1.4; }
.footer-contact-item .icon { width: 16px; height: 16px; color: var(--color-accent); margin-top: 3px; flex-shrink: 0; }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer-social { display: flex; gap: 0.5rem; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--color-accent); color: #fff; }
.footer-social .icon { width: 18px; height: 18px; }

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); color: #fff; }
.whatsapp-float .icon { width: 28px; height: 28px; }
.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  opacity: 0.3;
  z-index: -1;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ---------- FAQ accordion ---------- */
.faq { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
}
.faq-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[data-open="true"] .faq-toggle { transform: rotate(45deg); }
.faq-answer { display: none; padding-bottom: 1.5rem; color: var(--color-text-muted); max-width: 720px; }
.faq-item[data-open="true"] .faq-answer { display: block; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms ease, transform 600ms cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 1rem; }
.justify-center { justify-content: center; }

/* ---------- Accessibility ---------- */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: var(--radius-sm); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}