/* ==========================================================================
   Royal Crown Dental Clinic (RCDC) - Production Design System & Stylesheet
   Modern, Ultra-Responsive, Mobile-First Dental Healthcare Architecture
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Root Design Tokens & Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Brand Color Palette */
  --color-primary-950: #040d1a;
  --color-primary-900: #0b1f3a;
  --color-primary-800: #0f2b52;
  --color-primary-700: #163d73;
  --color-primary-600: #1d4e89;
  --color-primary-500: #0284c7;
  --color-primary-400: #38bdf8;
  --color-primary-100: #e0f2fe;
  --color-primary-50:  #f0f9ff;

  /* Accent & Highlight Colors */
  --color-cyan-500:    #06b6d4;
  --color-cyan-400:    #22d3ee;
  --color-gold-600:    #b45309;
  --color-gold-500:    #d97706;
  --color-gold-400:    #f59e0b;
  --color-gold-100:    #fef3c7;
  --color-emerald-500: #10b981;
  --color-rose-500:    #f43f5e;
  --color-emergency:   #e11d48;

  /* Surfaces & Backgrounds */
  --color-bg-page:     #f8fafc;
  --color-bg-card:     #ffffff;
  --color-bg-subtle:   #f1f5f9;
  --color-bg-dark:     #0b1f3a;
  --color-bg-dark-card:#132d54;

  /* Typography & Contrast Colors (WCAG AA/AAA compliant) */
  --color-text-main:   #0f172a;
  --color-text-muted:  #475569;
  --color-text-light:  #64748b;
  --color-text-white:  #ffffff;
  --color-border:      #e2e8f0;
  --color-border-dark: #1e3a63;

  /* Typography Scale */
  --font-heading:      'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body:         'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --font-hero:         clamp(2.1rem, 4.2vw + 1rem, 3.5rem);
  --font-h1:           clamp(1.85rem, 3.2vw + 0.6rem, 2.75rem);
  --font-h2:           clamp(1.5rem, 2.2vw + 0.5rem, 2.25rem);
  --font-h3:           clamp(1.2rem, 1.4vw + 0.4rem, 1.6rem);
  --font-h4:           clamp(1.05rem, 1vw + 0.3rem, 1.25rem);
  --font-lead:         clamp(1.05rem, 0.5vw + 0.95rem, 1.25rem);
  --font-body-size:    clamp(0.95rem, 0.3vw + 0.88rem, 1.05rem);
  --font-small:        0.875rem;
  --font-tiny:         0.75rem;

  /* Spacing Tokens */
  --space-2xs:         0.25rem;
  --space-xs:          0.5rem;
  --space-sm:          0.75rem;
  --space-md:          1rem;
  --space-lg:          1.5rem;
  --space-xl:          2rem;
  --space-2xl:         3rem;
  --space-3xl:         4.5rem;
  --space-4xl:         6rem;

  /* Layout Containers */
  --container-max:     1260px;
  --container-narrow:  920px;
  --container-pad:     clamp(1rem, 4vw, 2.5rem);
  --header-height:     76px;

  /* Elevation Shadows */
  --shadow-xs:         0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm:         0 2px 6px rgba(15, 23, 42, 0.07);
  --shadow-md:         0 6px 18px -2px rgba(11, 31, 58, 0.08), 0 2px 6px rgba(11, 31, 58, 0.04);
  --shadow-lg:         0 14px 30px -4px rgba(11, 31, 58, 0.12), 0 4px 10px rgba(11, 31, 58, 0.04);
  --shadow-xl:         0 22px 45px -8px rgba(11, 31, 58, 0.18), 0 8px 18px rgba(11, 31, 58, 0.06);

  /* Border Radii */
  --radius-xs:         4px;
  --radius-sm:         8px;
  --radius-md:         14px;
  --radius-lg:         20px;
  --radius-xl:         28px;
  --radius-full:       9999px;

  /* Transitions */
  --transition-fast:   180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Architecture
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-body-size);
  line-height: 1.65;
  color: var(--color-text-main);
  background-color: var(--color-bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Fixes any overflow without breaking position:sticky */
  word-break: break-word;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility (WCAG AA) */
.skip-link {
  position: absolute;
  top: -60px;
  inset-inline-start: 1.5rem;
  background: var(--color-emergency);
  color: var(--color-text-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--color-gold-400);
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-900);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
}

h1 { font-size: var(--font-h1); }
h2 { font-size: var(--font-h2); }
h3 { font-size: var(--font-h3); }
h4 { font-size: var(--font-h4); }

p {
  margin-block-end: 1rem;
}
p:last-child {
  margin-block-end: 0;
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-primary-500);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
}

/* Accessible Focus Rings */
:focus-visible {
  outline: 3px solid var(--color-primary-500);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* --------------------------------------------------------------------------
   3. Top Announcement & Emergency Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background: var(--color-primary-950);
  color: #cbd5e1;
  font-size: var(--font-small);
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}
.top-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: #f1f5f9;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.top-bar-links {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.top-bar-links a {
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.825rem;
}
.top-bar-links a:hover {
  color: #38bdf8;
}
.top-bar-discount {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* --------------------------------------------------------------------------
   4. Sticky Modern Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  transition: all var(--transition-fast);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1rem;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-height: 48px;
}
.site-logo-img {
  width: auto;
  height: 48px;
  max-width: 200px;
  object-fit: contain;
}
.site-logo-text {
  display: flex;
  flex-direction: column;
}
.site-logo-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.site-logo-tagline {
  font-size: 0.7rem;
  color: var(--color-primary-500);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Navigation Menu (Desktop) */
.site-nav {
  display: none;
}
@media (min-width: 992px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
  }
}
.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-text-muted);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}
.nav-link:hover {
  color: var(--color-primary-700);
  background: rgba(2, 132, 199, 0.06);
}
.nav-link.active {
  color: var(--color-primary-600);
  font-weight: 700;
  background: rgba(2, 132, 199, 0.09);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background: var(--color-primary-500);
  border-radius: var(--radius-full);
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.btn-emergency-call {
  display: none;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-900);
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: #ffffff;
  transition: all var(--transition-fast);
  min-height: 44px;
}
.btn-emergency-call:hover {
  border-color: var(--color-primary-500);
  color: var(--color-primary-600);
  box-shadow: var(--shadow-xs);
}
@media (min-width: 640px) {
  .btn-emergency-call {
    display: inline-flex;
  }
}

/* Hamburger Toggle Button (Ergonomic >= 48px) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-primary-900);
  transition: background var(--transition-fast);
}
.nav-toggle:hover {
  background: rgba(2, 132, 199, 0.08);
}
.hamburger-bar {
  width: 24px;
  height: 2.5px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}
@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }
}

/* Mobile Drawer Overlay & Panel */
.nav-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 31, 58, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1010;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.nav-drawer-overlay.open {
  display: block;
  opacity: 1;
}
.nav-drawer {
  position: fixed;
  top: 0;
  inset-inline-end: -320px;
  width: min(320px, 86vw);
  height: 100vh;
  background: #ffffff;
  z-index: 1020;
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  transition: inset-inline-end var(--transition-smooth);
}
.nav-drawer.open {
  inset-inline-end: 0;
}
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.drawer-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.drawer-close:hover {
  background: var(--color-bg-subtle);
  color: var(--color-primary-900);
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.drawer-link {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  min-height: 48px;
  display: flex;
  align-items: center;
}
.drawer-link:hover, .drawer-link.active {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}
.drawer-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   5. Buttons & Global UI Primitives
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.65rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  min-height: 48px;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-primary-800);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-primary-400);
  color: var(--color-primary-600);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-emergency {
  background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
  animation: pulse-emergency 3s infinite;
}
@keyframes pulse-emergency {
  0%, 100% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(225, 29, 72, 0); }
}
.btn-emergency:hover {
  background: #be123c;
  color: #ffffff;
}
.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover {
  background: #20ba59;
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
  min-height: 40px;
}
.btn-lg {
  padding: 0.95rem 2.25rem;
  font-size: 1.05rem;
  min-height: 54px;
}

/* Badge tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: var(--font-small);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.badge-primary {
  background: rgba(2, 132, 199, 0.12);
  color: var(--color-primary-600);
}
.badge-emergency {
  background: rgba(225, 29, 72, 0.12);
  color: var(--color-emergency);
  border: 1px solid rgba(225, 29, 72, 0.25);
}
.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: #b45309;
}
.badge-dark {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

/* --------------------------------------------------------------------------
   6. Containers & Grid Architecture
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: clamp(3rem, 6vw, 5.5rem);
}
.section-sm {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}
.section-dark {
  background: var(--color-primary-950);
  color: #f1f5f9;
}
.section-dark h2, .section-dark h3, .section-dark h4 {
  color: #ffffff;
}
.section-dark p {
  color: #cbd5e1;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.section-header .badge {
  margin-bottom: 0.85rem;
}
.section-title {
  margin-bottom: 0.85rem;
}
.section-subtitle {
  font-size: var(--font-lead);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Adaptive Grids (Mobile-First) */
.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.grid-2 {
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
.grid-3 {
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}
.grid-4 {
  grid-template-columns: 1fr;
}
@media (min-width: 540px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flex helper classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-md {
  gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   7. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, #040d1a 0%, #0b2545 60%, #103b6b 100%);
  color: #ffffff;
  padding-block: clamp(3.5rem, 7vw, 6.5rem) clamp(3.5rem, 6vw, 5.5rem);
  overflow: clip;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 20%, rgba(14, 165, 233, 0.15), transparent 40%),
                    radial-gradient(circle at 10% 80%, rgba(212, 175, 55, 0.1), transparent 35%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 992px) {
  .hero-content {
    grid-template-columns: 1.15fr 0.85fr;
  }
}
.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-title {
  color: #ffffff;
  font-size: var(--font-hero);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.025em;
}
.hero-title span {
  background: linear-gradient(135deg, #38bdf8 0%, #7dd3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  font-size: var(--font-lead);
  color: #e2e8f0;
  line-height: 1.65;
  max-width: 620px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 0.75rem;
}
@media (min-width: 480px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: #38bdf8;
  line-height: 1.1;
}
.stat-label {
  font-size: 0.825rem;
  color: #94a3b8;
  font-weight: 600;
  margin-top: 0.25rem;
}

/* Hero Media / Card */
.hero-card {
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-xl);
}
.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-card-title {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
}
.hero-card-badge {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.hero-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #f1f5f9;
}
.hero-feature-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.hero-contact-quick {
  background: rgba(11, 31, 58, 0.6);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.quick-label {
  font-size: 0.775rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}
.quick-phone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-weight: 700;
  color: #ffffff;
  font-size: 1.1rem;
}
.quick-phone a {
  color: #38bdf8;
}

/* --------------------------------------------------------------------------
   8. Feature Cards & Clinical Services
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: clip;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.3);
}

.service-card {
  display: flex;
  flex-direction: column;
}
.service-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.25rem;
  background: var(--color-bg-subtle);
}
.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}
.service-card:hover .service-card-media img {
  transform: scale(1.05);
}
.service-card-tag {
  position: absolute;
  top: 0.75rem;
  inset-inline-start: 0.75rem;
  background: rgba(11, 31, 58, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.service-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.service-card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}
.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.service-card-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary-600);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.service-card-link:hover {
  color: var(--color-primary-500);
  gap: 0.55rem;
}

/* Value Props / Feature Grid */
.feature-box {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}
.feature-box:hover {
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.15rem;
}
.feature-box-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.feature-box-text {
  color: var(--color-text-muted);
  font-size: 0.925rem;
}

/* --------------------------------------------------------------------------
   9. 24/7 Emergency Care Section (Dual Language)
   -------------------------------------------------------------------------- */
.emergency-banner {
  background: linear-gradient(135deg, #1f0b18 0%, #3f1025 50%, #1e1338 100%);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  color: #ffffff;
  position: relative;
  overflow: clip;
  border: 1px solid rgba(225, 29, 72, 0.3);
  box-shadow: 0 16px 36px -6px rgba(225, 29, 72, 0.25);
}
.emergency-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.25), transparent 70%);
  pointer-events: none;
}
.emergency-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.emergency-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.emergency-badge-pulse {
  background: rgba(225, 29, 72, 0.25);
  color: #f43f5e;
  border: 1px solid rgba(225, 29, 72, 0.4);
  font-weight: 800;
  text-transform: uppercase;
}
.emergency-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 860px) {
  .emergency-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.emergency-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.emergency-col-title {
  font-size: 1.15rem;
  color: #fecdd3;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.emergency-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.emergency-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #f1f5f9;
  line-height: 1.5;
}
.emergency-num {
  font-family: var(--font-heading);
  font-weight: 800;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(225, 29, 72, 0.3);
  color: #fda4af;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.emergency-arabic {
  direction: rtl;
  text-align: right;
  font-family: 'Noto Naskh Arabic', -apple-system, BlinkMacSystemFont, Tahoma, Arial, sans-serif;
}
.emergency-arabic .emergency-col-title {
  direction: rtl;
  text-align: right;
}
.emergency-arabic .emergency-item {
  direction: rtl;
  text-align: right;
}
.emergency-cta-bar {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* --------------------------------------------------------------------------
   10. Doctor Team Cards (`our-team.html` & preview)
   -------------------------------------------------------------------------- */
.doctor-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: clip;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}
.doctor-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(2, 132, 199, 0.4);
}
.doctor-photo-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #0b1f3a 0%, #1e3a63 100%);
  overflow: hidden;
}
.doctor-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-smooth);
}
.doctor-card:hover .doctor-photo-wrap img {
  transform: scale(1.04);
}
.doctor-experience-tag {
  position: absolute;
  bottom: 0.85rem;
  inset-inline-start: 0.85rem;
  background: rgba(11, 31, 58, 0.85);
  backdrop-filter: blur(8px);
  color: #38bdf8;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.doctor-body {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.75rem;
}
.doctor-name {
  font-size: 1.35rem;
  color: var(--color-primary-900);
}
.doctor-specialty {
  color: var(--color-primary-600);
  font-weight: 700;
  font-size: 0.925rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.doctor-bio {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
  flex-grow: 1;
}
.doctor-credentials {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-main);
}
.doctor-credentials li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
}
.doctor-credentials li::before {
  content: '✓';
  color: var(--color-primary-500);
  font-weight: 800;
  flex-shrink: 0;
}
.doctor-footer {
  padding-top: 0.75rem;
}

/* --------------------------------------------------------------------------
   11. Pricing Tables & Veneers Portfolio
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.pricing-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
}
.pricing-card.featured {
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
  background: #ffffff;
}
@media (max-width: 767px) {
  .pricing-card.featured {
    transform: none;
  }
}
.pricing-ribbon {
  position: absolute;
  top: -12px;
  inset-inline-end: 1.5rem;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.35);
}
.pricing-tier {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}
.pricing-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  min-height: 40px;
}
.pricing-price-wrap {
  margin-block: 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.price-current {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-primary-900);
  line-height: 1;
}
.price-unit {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 600;
}
.price-original {
  font-size: 1rem;
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 600;
}
.price-discount-tag {
  background: rgba(225, 29, 72, 0.12);
  color: var(--color-emergency);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 800;
}
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-block: 1.25rem 2rem;
  flex-grow: 1;
  font-size: 0.925rem;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--color-text-main);
}
.pricing-features li::before {
  content: '✓';
  color: #10b981;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   12. Smile Gallery & Before/After Portfolio (`gallery.html`)
   -------------------------------------------------------------------------- */
.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}
.filter-btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  min-height: 44px;
}
.filter-btn:hover {
  border-color: var(--color-primary-400);
  color: var(--color-primary-600);
}
.filter-btn.active {
  background: var(--color-primary-900);
  color: #ffffff;
  border-color: var(--color-primary-900);
  box-shadow: 0 4px 12px rgba(11, 31, 58, 0.25);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.gallery-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: clip;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.gallery-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-subtle);
}
.gallery-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}
.gallery-item:hover .gallery-media img {
  transform: scale(1.05);
}
.gallery-badge {
  position: absolute;
  top: 0.75rem;
  inset-inline-start: 0.75rem;
  background: rgba(11, 31, 58, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.gallery-info {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.gallery-title {
  font-size: 1.15rem;
}
.gallery-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   13. Quotes & Testimonials
   -------------------------------------------------------------------------- */
.quotes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .quotes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.quote-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  position: relative;
  box-shadow: var(--shadow-xs);
}
.quote-card::before {
  content: '“';
  position: absolute;
  top: 0.75rem;
  inset-inline-end: 1.25rem;
  font-family: Georgia, serif;
  font-size: 4rem;
  color: rgba(2, 132, 199, 0.12);
  line-height: 1;
}
.quote-text {
  font-style: italic;
  color: var(--color-text-main);
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}
.quote-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}
.quote-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary-400);
}
.quote-author-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary-900);
}
.quote-author-role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   14. Contact & Booking Forms (`contact.html`)
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr 1.1fr;
  }
}
.contact-info-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-item-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.contact-item-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.contact-item-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Booking Form Elements */
.booking-form-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-md);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 600px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-900);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
  min-height: 48px;
}
.form-textarea {
  min-height: 100px;
  resize: vertical;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
  outline: none;
}
.form-feedback {
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
  margin-top: 1rem;
}
.form-feedback.success {
  display: block;
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* --------------------------------------------------------------------------
   15. FAQ Accordion (Voice Search / AEO Ready)
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin-inline: auto;
}
.faq-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-fast);
}
.faq-item:hover {
  border-color: var(--color-primary-400);
}
.faq-question {
  width: 100%;
  padding: 1.15rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: start;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-900);
  background: transparent;
  gap: 1rem;
  min-height: 52px;
}
.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
  color: var(--color-primary-500);
}
.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 1.35rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.35rem 1.35rem;
}

/* --------------------------------------------------------------------------
   16. Corporate Discounts Banner (Emirates & Flydubai)
   -------------------------------------------------------------------------- */
.airline-banner {
  background: linear-gradient(135deg, #0b1f3a 0%, #173b6b 100%);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border: 1px solid rgba(245, 158, 11, 0.3);
  position: relative;
  overflow: clip;
}
.airline-banner-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}
@media (min-width: 860px) {
  .airline-banner-content {
    grid-template-columns: 1.3fr 0.7fr;
  }
}
.airline-banner-title {
  color: #ffffff;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 0.5rem;
}
.airline-banner-text {
  color: #e2e8f0;
  font-size: 1rem;
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   17. Accessible Modal System
   -------------------------------------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 31, 58, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.modal-overlay.open {
  display: flex;
  opacity: 1;
}
.modal-container {
  background: #ffffff;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}
.modal-overlay.open .modal-container {
  transform: translateY(0);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.modal-close {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
}
.modal-close:hover {
  background: var(--color-bg-subtle);
  color: var(--color-primary-900);
}

/* --------------------------------------------------------------------------
   18. Multi-Column Comprehensive Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary-950);
  color: #cbd5e1;
  padding-block: clamp(3.5rem, 6vw, 5rem) 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 3rem;
}
@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
  }
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer-brand-title {
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 800;
}
.footer-desc {
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.6;
}
.footer-heading {
  font-size: 1.05rem;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  display: inline-block;
  min-height: 24px;
}
.footer-links a:hover {
  color: #38bdf8;
  transform: translateX(3px);
}
.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: #94a3b8;
}
.footer-contact-item a {
  color: #38bdf8;
}

/* Social links */
.social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.social-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.social-btn:hover {
  background: var(--color-primary-500);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Payment logos strip */
.payment-methods-strip {
  padding-block: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.payment-methods-label {
  font-size: 0.85rem;
  color: #94a3b8;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.payment-badges-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.payment-badge {
  background: #ffffff;
  border-radius: var(--radius-xs);
  padding: 0.25rem 0.65rem;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.payment-badge img {
  height: 20px;
  width: auto;
  max-width: 60px;
  object-fit: contain;
}

/* Footer bottom bar */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.825rem;
  color: #64748b;
}
.footer-bottom a {
  color: #94a3b8;
}
.footer-bottom a:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   19. Back to Top Button (Class: back-to-top, >= 48px)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  inset-inline-end: 2rem;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--color-primary-900);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-primary-500);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
}
.back-to-top svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.5;
}

/* --------------------------------------------------------------------------
   20. Responsive Media Queries & Micro-adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --container-pad: 1rem;
  }
  .btn {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
}