/* ============================================================
   St Jean Dental Care: Stylesheet
   "Warm Clinical Elegance"
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Colors: committed mineral teal + terracotta, tuned for bright mobile use */
  --color-primary: oklch(44% 0.07 190);
  --color-primary-dark: oklch(36% 0.06 190);
  --color-primary-light: oklch(68% 0.07 185);

  --color-secondary: oklch(50% 0.12 50);
  --color-secondary-dark: oklch(42% 0.1 48);
  --color-secondary-light: oklch(72% 0.11 58);

  --color-accent: oklch(88% 0.055 62);
  --color-accent-light: oklch(96% 0.025 70);

  --color-bg: oklch(98.5% 0.008 75);
  --color-surface: oklch(99.5% 0.006 85);
  --color-surface-elevated: oklch(99% 0.01 85);
  --color-media-bg: oklch(94% 0.018 68);

  --color-text: oklch(22% 0.026 42);
  --color-text-muted: oklch(43% 0.028 50);
  --color-text-light: oklch(50% 0.025 55);
  --color-text-inverse: oklch(98.5% 0.008 75);
  --color-footer-muted: oklch(72% 0.025 65);

  --color-border: oklch(88% 0.012 65);
  --color-border-light: oklch(94% 0.01 70);

  /* Semantic Colors */
  --color-success: oklch(48% 0.12 150);
  --color-error: oklch(47% 0.17 25);

  /* Typography: Outfit + DM Sans */
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  /* Font Sizes: Fluid Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Spacing: 4px Base Scale */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem; /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem; /* 16px */
  --space-5: 1.25rem; /* 20px */
  --space-6: 1.5rem; /* 24px */
  --space-8: 2rem; /* 32px */
  --space-10: 2.5rem; /* 40px */
  --space-12: 3rem; /* 48px */
  --space-16: 4rem; /* 64px */
  --space-20: 5rem; /* 80px */
  --space-24: 6rem; /* 96px */

  /* Fluid Layout Rhythm */
  --section-space: clamp(var(--space-12), 7vw, var(--space-24));
  --section-space-compact: clamp(var(--space-10), 5vw, var(--space-16));
  --section-header-gap: clamp(var(--space-8), 5vw, var(--space-16));
  --layout-gap: clamp(var(--space-6), 4vw, var(--space-12));

  /* Container */
  --container-max: 1200px;
  --container-padding: clamp(var(--space-4), 4vw, var(--space-6));

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows: Subtle, Tactile */
  --shadow-sm: 0 1px 2px 0 rgb(28 25 23 / 0.05);
  --shadow-md:
    0 4px 6px -1px rgb(28 25 23 / 0.1), 0 2px 4px -2px rgb(28 25 23 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(28 25 23 / 0.1), 0 4px 6px -4px rgb(28 25 23 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(28 25 23 / 0.1), 0 8px 10px -6px rgb(28 25 23 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 300;
  --z-modal: 400;

  /* Header Height */
  --header-height: 4.5rem;
}

/* ============================================================
   2. CSS RESET & BASE STYLES
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html.nav-open,
body.nav-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--text-4xl);
}
h2 {
  font-size: var(--text-3xl);
}
h3 {
  font-size: var(--text-xl);
}

p {
  max-width: 65ch;
}

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

a,
button {
  touch-action: manipulation;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul,
ol {
  list-style: none;
}

address {
  font-style: normal;
}

/* Focus Styles: Accessible */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ============================================================
   3. LAYOUT: Container & Grid
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--section-space);
}

.section--accent {
  background-color: var(--color-accent-light);
}

.section__header {
  max-width: 760px;
  text-align: center;
  margin: 0 auto var(--section-header-gap);
}

.section__title {
  margin-bottom: var(--space-4);
  text-wrap: balance;
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-inline: auto;
}

.services .section__header,
.technology .section__header,
.doctor .section__header,
.contact .section__header {
  text-align: left;
  margin-inline: 0;
}

.services .section__subtitle,
.technology .section__subtitle,
.doctor .section__subtitle,
.contact .section__subtitle {
  margin-inline: 0;
}

/* ============================================================
   4. COMPONENTS: Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: var(--font-medium);
  text-align: center;
  white-space: nowrap;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Button Sizes */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn--full {
  width: 100%;
}

/* Button Variants */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
}

.btn--primary:active {
  background-color: var(--color-primary-dark);
}

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--ghost:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn__icon {
  flex-shrink: 0;
}

/* ============================================================
   5. HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: oklch(99.5% 0.006 85 / 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: var(--z-header);
  transition: box-shadow var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

/* Logo */
.header__logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 44px;
  line-height: 1.1;
}

.logo__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.logo__subtext {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* Navigation */
.header__nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
}

.nav__link--active {
  color: var(--color-primary);
}

.nav__link--active::after {
  background-color: var(--color-primary);
}

/* Header Actions */
.header__actions {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu Toggle */
.header__menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
}

.menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.header__menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Desktop Styles */
@media (min-width: 768px) {
  .header__nav {
    display: block;
  }

  .header__actions {
    display: flex;
  }

  .header__menu-toggle {
    display: none;
  }
}

/* Mobile Navigation */
@media (max-width: 767px) {
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    background-color: var(--color-surface);
    padding: clamp(var(--space-5), 6vw, var(--space-8));
    padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: var(--z-header);
    display: flex;
    flex-direction: column;
  }

  .header__nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
    flex: 1;
  }

  .nav__link {
    font-size: var(--text-xl);
  }

  .mobile-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-light);
  }

  .mobile-cta .btn {
    justify-content: center;
    width: 100%;
    white-space: normal;
  }
}

@media (max-width: 767px) and (max-height: 520px) {
  .header__nav {
    padding-block: var(--space-4);
  }

  .nav__list {
    gap: var(--space-2);
  }

  .nav__link {
    font-size: var(--text-lg);
  }

  .mobile-cta {
    padding-top: var(--space-4);
  }
}

/* Hide mobile CTA on desktop */
@media (min-width: 768px) {
  .mobile-cta {
    display: none;
  }
}

/* ============================================================
   6. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  padding-bottom: var(--space-16);
  background-image: url("../images/hero.jpg");
  background-image: image-set(
    url("../images/hero.webp") type("image/webp"),
    url("../images/hero.jpg") type("image/jpeg")
  );
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    oklch(44% 0.07 190 / 0.9) 0%,
    oklch(22% 0.026 42 / 0.78) 100%
  );
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__content {
  max-width: 650px;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  color: var(--color-text-inverse);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: oklch(98.5% 0.008 75 / 0.92);
  margin-bottom: var(--space-8);
  max-width: 50ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Ghost button override for hero */
.hero .btn--ghost {
  color: var(--color-text-inverse);
  border-color: oklch(98.5% 0.008 75 / 0.6);
}

.hero .btn--ghost:hover {
  background-color: oklch(98.5% 0.008 75 / 0.12);
  border-color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .hero__content {
    max-width: 700px;
  }
}

/* Fallback for mobile (iOS doesn't support background-attachment: fixed) */
@supports (-webkit-touch-callout: none) {
  .hero {
    background-attachment: scroll;
    background-size: cover;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: min(720px, 100svh);
    padding-top: calc(var(--header-height) + var(--space-8));
    padding-bottom: var(--space-10);
    background-attachment: scroll;
    background-position: 58% center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__title {
    text-wrap: balance;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
    white-space: normal;
  }
}

@media (max-width: 767px) and (max-height: 520px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-5));
    padding-bottom: var(--space-8);
  }
}

/* ============================================================
   7. PLACEHOLDERS
   ============================================================ */
.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background-color: var(--color-border-light);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text-muted);
}

.placeholder__icon {
  opacity: 0.5;
}

.placeholder__text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.placeholder--hero {
  width: 100%;
  aspect-ratio: 4/3;
  max-width: 500px;
}

.placeholder--tech {
  width: 100%;
  aspect-ratio: 16/9;
}

.placeholder--doctor {
  width: 100%;
  height: 350px;
}

.placeholder--map {
  width: 100%;
  aspect-ratio: 16/9;
  min-height: 200px;
}

/* ============================================================
   8. TRUST BAR
   ============================================================ */
.trust-bar {
  background-color: var(--color-surface);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border-light);
}

.trust-bar__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.trust-bar__icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.trust-bar__text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
}

@media (max-width: 600px) {
  .trust-bar__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .trust-bar__item {
    align-items: flex-start;
  }
}

/* ============================================================
   9. SERVICES SECTION
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(var(--space-5), 2vw, var(--space-8));
}

.service-card {
  --service-art: none;
  --service-art-height: 54%;
  --service-art-opacity: 0.2;
  --service-art-hover-opacity: 0.28;
  --service-art-position: center;

  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  background-color: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.service-card--link {
  color: inherit;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--color-accent-light);
  border: 1px solid oklch(99.5% 0.006 85 / 0.72);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 34px oklch(25% 0.035 190 / 0.12);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
  flex-shrink: 0;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
}

.service-card:hover .service-card__icon {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.service-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 36ch;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 0;
  height: var(--service-art-height);
  background-image:
    linear-gradient(180deg, oklch(99.5% 0.006 85 / 0.12), var(--color-surface) 92%),
    var(--service-art);
  background-position: var(--service-art-position);
  background-size: cover;
  opacity: var(--service-art-opacity);
  pointer-events: none;
  transform: scale(1.02);
  transform-origin: center top;
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.service-card:hover::after {
  opacity: var(--service-art-hover-opacity);
  transform: scale(1.06);
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-card--featured {
  --service-art: image-set(
    url("../images/services/dental-implants.webp") type("image/webp"),
    url("../images/services/dental-implants.jpg") type("image/jpeg")
  );
  --service-art-height: 66%;
  --service-art-opacity: 0.5;
  --service-art-hover-opacity: 0.62;
  --service-art-position: center 38%;

  background:
    linear-gradient(135deg, oklch(44% 0.07 190 / 0.12), transparent 42%),
    var(--color-surface);
  border-color: oklch(44% 0.07 190 / 0.22);
  box-shadow: var(--shadow-md);
}

.service-card--featured .service-card__icon {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.service-card--root {
  --service-art: image-set(
    url("../images/services/root-canal.webp") type("image/webp"),
    url("../images/services/root-canal.jpg") type("image/jpeg")
  );
  --service-art-height: 60%;
  --service-art-opacity: 0.42;
  --service-art-hover-opacity: 0.52;
  --service-art-position: center 44%;
}

.service-card--warm {
  --service-art: image-set(
    url("../images/services/crowns-bridges.webp") type("image/webp"),
    url("../images/services/crowns-bridges.jpg") type("image/jpeg")
  );
  --service-art-opacity: 0.26;
  --service-art-hover-opacity: 0.34;
  --service-art-position: 58% 44%;

  background:
    linear-gradient(135deg, oklch(50% 0.12 50 / 0.1), transparent 46%),
    var(--color-surface);
}

.service-card--xray {
  --service-art: image-set(
    url("../images/services/panoramic-xray.webp") type("image/webp"),
    url("../images/services/panoramic-xray.jpg") type("image/jpeg")
  );
  --service-art-opacity: 0.28;
  --service-art-hover-opacity: 0.36;
  --service-art-position: 38% center;
}

.service-card--extraction {
  --service-art: image-set(
    url("../images/services/tooth-extraction.webp") type("image/webp"),
    url("../images/services/tooth-extraction.jpg") type("image/jpeg")
  );
  --service-art-opacity: 0.24;
  --service-art-hover-opacity: 0.32;
  --service-art-position: center 42%;
}

.service-card--scan {
  --service-art: image-set(
    url("../images/services/cbct-3d-scan.webp") type("image/webp"),
    url("../images/services/cbct-3d-scan.jpg") type("image/jpeg")
  );
  --service-art-height: 100%;
  --service-art-opacity: 0.24;
  --service-art-hover-opacity: 0.32;
  --service-art-position: 82% center;

  background:
    linear-gradient(135deg, oklch(68% 0.07 185 / 0.16), oklch(88% 0.055 62 / 0.16)),
    var(--color-surface);
}

.service-card--ortho {
  --service-art: image-set(
    url("../images/services/orthodontics.webp") type("image/webp"),
    url("../images/services/orthodontics.jpg") type("image/jpeg")
  );
  --service-art-opacity: 0.32;
  --service-art-hover-opacity: 0.42;
  --service-art-position: center 42%;
}

.service-card--general {
  --service-art: image-set(
    url("../images/services/general-dentistry.webp") type("image/webp"),
    url("../images/services/general-dentistry.jpg") type("image/jpeg")
  );
  --service-art-opacity: 0.24;
  --service-art-hover-opacity: 0.32;
  --service-art-position: center 46%;
}

.service-card--featured::after {
  background-image:
    linear-gradient(180deg, oklch(99.5% 0.006 85 / 0.05), var(--color-surface) 88%),
    linear-gradient(90deg, oklch(44% 0.07 190 / 0.24), transparent 62%),
    var(--service-art);
}

.service-card--scan::after {
  background-image:
    linear-gradient(90deg, var(--color-surface) 0 36%, oklch(99.5% 0.006 85 / 0.62) 68%, transparent 100%),
    linear-gradient(180deg, transparent 0 70%, var(--color-surface) 98%),
    var(--service-art);
}

@media (min-width: 720px) {
  .services__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-card--featured,
  .service-card--scan {
    grid-column: span 2;
  }
}

@media (min-width: 1040px) {
  .services__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .service-card--featured {
    grid-row: span 2;
    justify-content: flex-end;
    padding: clamp(var(--space-8), 4vw, var(--space-12));
  }

  .service-card--featured .service-card__icon {
    width: 80px;
    height: 80px;
  }

  .service-card--featured .service-card__title {
    max-width: 11ch;
    font-size: var(--text-2xl);
  }

  .service-card--featured .service-card__desc {
    font-size: var(--text-base);
    max-width: 34ch;
  }

  .service-card--scan {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-6);
  }

  .service-card--scan .service-card__icon {
    grid-row: 1 / span 2;
    margin-bottom: 0;
  }

  .service-card--scan .service-card__title {
    align-self: end;
    margin-bottom: 0;
  }

  .service-card--scan .service-card__desc {
    grid-column: 2;
    align-self: start;
  }
}

/* ============================================================
   10. SERVICE PAGE
   ============================================================ */
.page-hero {
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-16);
}

.page-hero--service {
  background:
    linear-gradient(135deg, oklch(44% 0.07 190 / 0.14), oklch(50% 0.12 50 / 0.08));
}

.page-hero__inner {
  display: grid;
  gap: var(--space-8);
}

.page-hero__content {
  max-width: 760px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: inherit;
}

.page-hero__eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-secondary-dark);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-hero__title {
  margin-bottom: var(--space-4);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 58ch;
  margin-bottom: var(--space-6);
}

.page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.section__header--left {
  text-align: left;
}

.section__subtitle--left {
  margin-inline: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: clamp(var(--space-5), 2.5vw, var(--space-8));
}

.info-card {
  display: grid;
  align-content: start;
  gap: var(--space-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.info-card__title {
  font-size: var(--text-lg);
}

.info-card__text {
  color: var(--color-text-muted);
}

.section:not(.section--related-services) > .container > .info-grid .info-card:first-child {
  background:
    linear-gradient(135deg, oklch(44% 0.07 190 / 0.1), transparent 48%),
    var(--color-surface);
  border-color: oklch(44% 0.07 190 / 0.2);
}

.info-card--link {
  color: inherit;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.info-card--link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.section--related-services {
  background:
    linear-gradient(180deg, oklch(68% 0.07 185 / 0.12), oklch(88% 0.055 62 / 0.24));
}

.section--related-services .info-card {
  background-color: oklch(99.5% 0.006 85 / 0.92);
}

.section--related-services .section__title {
  color: var(--color-primary-dark);
}

.content-split {
  display: grid;
  gap: var(--layout-gap);
}

@media (min-width: 900px) {
  .content-split {
    grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.85fr);
    gap: clamp(var(--space-12), 7vw, var(--space-24));
    align-items: start;
  }

  .content-split__aside {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
  }
}

.body-copy {
  display: grid;
  gap: var(--space-5);
}

.aside-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.aside-card__title {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.check-list {
  display: grid;
  gap: var(--space-4);
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.check-list li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 0.45rem;
  flex-shrink: 0;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.media-card {
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.content-split__aside {
  display: grid;
  gap: var(--space-6);
}

.media-card__image {
  background-color: var(--color-media-bg);
}

.media-card__image img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  padding: var(--space-5);
  mix-blend-mode: multiply;
}

.media-card__caption {
  padding: 0 var(--space-8) var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.steps-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 900px) {
  .steps-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .step-card:nth-child(even) {
    margin-top: var(--space-8);
  }
}

.step-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.step-card__number {
  display: inline-block;
  margin-bottom: var(--space-4);
  color: var(--color-secondary-dark);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: 0.05em;
}

.step-card__title {
  margin-bottom: var(--space-3);
}

.step-card__text {
  color: var(--color-text-muted);
}

.faq-list {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 900px) {
  .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.faq-item__question {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.faq-item__answer {
  color: var(--color-text-muted);
}

.cta-panel {
  display: grid;
  gap: var(--space-6);
  background:
    linear-gradient(135deg, oklch(44% 0.07 190 / 0.1), oklch(50% 0.12 50 / 0.08)),
    var(--color-surface);
  border: 1px solid oklch(44% 0.07 190 / 0.18);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .cta-panel {
    grid-template-columns: minmax(0, 2fr) auto;
    align-items: center;
  }
}

.cta-panel__title {
  margin-bottom: var(--space-3);
}

.cta-panel__text {
  color: var(--color-text-muted);
}

.cta-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ============================================================
   10. TECHNOLOGY SECTION
   ============================================================ */
.technology__grid {
  display: grid;
  gap: var(--layout-gap);
}

.tech-card {
  display: grid;
  background-color: var(--color-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.tech-card__image {
  width: 100%;
  overflow: hidden;
  background-color: var(--color-media-bg);
  position: relative;
}

.tech-card__image picture {
  display: block;
  height: 100%;
}

.tech-card__image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow);
  padding: var(--space-5);
  mix-blend-mode: multiply;
}

.tech-card:hover .tech-card__image img {
  transform: scale(1.03);
}

.tech-card__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(var(--space-8), 5vw, var(--space-16));
}

.tech-card__title {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.tech-card__subtitle {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.tech-card__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.tech-card__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
  gap: var(--space-3);
}

.tech-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  background-color: var(--color-accent-light);
  font-size: var(--text-sm);
}

.tech-card__features li::before {
  content: "";
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .tech-card {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: stretch;
  }

  .tech-card--reverse {
    grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  }

  .tech-card--reverse .tech-card__image {
    order: 2;
  }

  .tech-card--reverse .tech-card__content {
    order: 1;
  }

  .tech-card__image img {
    height: 100%;
    min-height: 360px;
    aspect-ratio: auto;
  }
}

/* ============================================================
   11. DOCTOR SECTION
   ============================================================ */
.doctor__grid {
  display: grid;
  gap: var(--layout-gap);
}

.doctor__card {
  display: grid;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.doctor__image {
  display: flex;
  justify-content: center;
  background-color: var(--color-media-bg);
}

.doctor__picture {
  display: block;
  width: 100%;
  height: 100%;
}

.doctor__photo {
  width: 100%;
  height: 350px;
  object-fit: cover;
  object-position: top;
}

.doctor__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(var(--space-8), 4vw, var(--space-12));
}

.doctor__cta {
  text-align: center;
  margin-top: var(--space-10);
}

@media (min-width: 900px) {
  .doctor__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .doctor__card {
    grid-template-columns: minmax(220px, 0.46fr) minmax(0, 1fr);
  }

  .doctor__card--lead {
    grid-column: 1 / -2;
  }

  .doctor__card--offset {
    grid-column: 4 / -1;
  }

  .doctor__card--support {
    grid-column: 2 / -2;
  }

  .doctor__photo,
  .placeholder--doctor {
    height: 100%;
    min-height: 360px;
  }
}

.doctor__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.doctor__name {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.doctor__credentials {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.doctor__bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.doctor__quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, oklch(44% 0.07 190 / 0.08), oklch(88% 0.055 62 / 0.14));
  margin-bottom: var(--space-8);
}

/* ============================================================
   12. CONTACT SECTION
   ============================================================ */
.contact__grid {
  display: grid;
  gap: var(--layout-gap);
  align-items: start;
}

@media (min-width: 900px) {
  .contact__grid {
    grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  }
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  border: 1px solid oklch(44% 0.07 190 / 0.14);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(135deg, oklch(44% 0.07 190 / 0.08), transparent 48%),
    oklch(99.5% 0.006 85 / 0.72);
}

.contact__block-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.contact__address {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.contact__hours {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact__hours-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.contact__hours-row dt {
  color: var(--color-text);
}

.contact__hours-row dd {
  color: var(--color-text-muted);
}

.contact__methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
  font-size: var(--text-base);
  color: var(--color-text);
  overflow-wrap: anywhere;
  transition: color var(--transition-fast);
}

.contact__link:hover {
  color: var(--color-primary);
}

.contact__link-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact__map iframe {
  display: block;
  width: 100%;
  min-height: 260px;
}

/* Contact Form */
.contact__form {
  background-color: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(44% 0.07 190 / 0.16);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-light);
}

.form__select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-text-light) 50%),
    linear-gradient(135deg, var(--color-text-light) 50%, transparent 50%);
  background-repeat: no-repeat;
  background-position:
    calc(100% - 1.25rem) center,
    calc(100% - 0.95rem) center;
  background-size:
    0.35rem 0.35rem,
    0.35rem 0.35rem;
  padding-right: var(--space-10);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__status {
  min-height: 1.25rem;
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.form__status:empty {
  display: none;
}

.form__status--error {
  color: var(--color-error);
}

.form__status--pending {
  color: var(--color-primary-dark);
}

.form__error {
  display: none;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-error);
}

.form__error.is-visible {
  display: block;
}

.form__input.is-invalid,
.form__select.is-invalid,
.form__textarea.is-invalid,
.form__input[aria-invalid="true"],
.form__select[aria-invalid="true"],
.form__textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  background-color: oklch(47% 0.17 25 / 0.06);
  box-shadow: 0 0 0 3px oklch(47% 0.17 25 / 0.14);
}

.form__privacy {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.footer {
  background-color: var(--color-text);
  color: var(--color-text-inverse);
  padding-block: var(--space-12);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}

.footer__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--color-text-inverse);
}

.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 44px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-full);
  background-color: oklch(98.5% 0.008 75 / 0.12);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-footer-muted);
}

/* ============================================================
   14. ANIMATIONS
   ============================================================ */

/* Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Hero Entrance Animations */
.hero__title {
  animation: fadeInUp 0.8s ease-out both;
}

.hero__subtitle {
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero__actions {
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Trust Bar Animation */
.trust-bar__item {
  animation: fadeInUp 0.6s ease-out both;
}

.trust-bar__item:nth-child(1) {
  animation-delay: 0.4s;
}
.trust-bar__item:nth-child(2) {
  animation-delay: 0.5s;
}
.trust-bar__item:nth-child(3) {
  animation-delay: 0.6s;
}

/* Scroll-Triggered Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children animations */
.animate-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease-out,
    transform 0.5s ease-out;
}

.animate-stagger.is-visible > *:nth-child(1) {
  transition-delay: 0s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(2) {
  transition-delay: 0.1s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(3) {
  transition-delay: 0.2s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(4) {
  transition-delay: 0.3s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(5) {
  transition-delay: 0.4s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(6) {
  transition-delay: 0.5s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(7) {
  transition-delay: 0.6s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(8) {
  transition-delay: 0.7s;
  opacity: 1;
  transform: translateY(0);
}
.animate-stagger.is-visible > *:nth-child(9) {
  transition-delay: 0.8s;
  opacity: 1;
  transform: translateY(0);
}

/* Section Header Animations */
.section__header.animate-on-scroll.is-visible .section__title {
  animation: fadeInUp 0.6s ease-out both;
}

.section__header.animate-on-scroll.is-visible .section__subtitle {
  animation: fadeInUp 0.6s ease-out 0.15s both;
}

/* ============================================================
   15. ENHANCED MICRO-INTERACTIONS
   ============================================================ */

/* Service Card Enhanced Hover */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-secondary)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon svg {
  transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon svg {
  transform: scale(1.1);
}

/* Tech Card Hover */
.tech-card {
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.tech-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Button Ripple Effect (subtle) */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background-color: oklch(98.5% 0.008 75 / 0.22);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.4s ease-out;
}

.btn:active::after {
  transform: translate(-50%, -50%) scale(1);
}

/* Contact Link Hover */
.contact__link {
  position: relative;
}

.contact__link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.contact__link:hover::after {
  transform: scaleX(1);
}

/* Form Input Focus Glow */
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  box-shadow:
    0 0 0 3px oklch(44% 0.07 190 / 0.2),
    0 0 20px oklch(44% 0.07 190 / 0.12);
}

/* ============================================================
   16. VISUAL FLOURISHES
   ============================================================ */

/* Technology Section Gradient */
.technology {
  position: relative;
}

.technology::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to top, oklch(44% 0.07 190 / 0.07), transparent);
  pointer-events: none;
}

/* Doctor Section Decorative Element */
.doctor {
  position: relative;
}

.doctor::before {
  content: "";
  position: absolute;
  top: var(--space-16);
  left: 0;
  width: 100px;
  height: 100px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(60px);
  pointer-events: none;
}

/* Placeholder Gradient Shimmer */
.placeholder {
  position: relative;
  overflow: hidden;
}

.placeholder::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    oklch(98.5% 0.008 75 / 0.42),
    transparent
  );
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ============================================================
   17. RESPONSIVE ADAPTATION
   ============================================================ */
@media (max-width: 520px) {
  .section {
    padding-block: var(--section-space-compact);
  }

  .section__header {
    margin-bottom: var(--space-8);
  }

  .page-hero {
    padding-top: calc(var(--header-height) + var(--space-10));
    padding-bottom: var(--space-12);
  }

  .page-hero__actions,
  .cta-panel__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-hero__actions .btn,
  .cta-panel__actions .btn {
    width: 100%;
    white-space: normal;
  }

  .service-card,
  .info-card,
  .aside-card,
  .step-card,
  .faq-item,
  .cta-panel,
  .tech-card__content,
  .doctor__content,
  .contact__form {
    padding: var(--space-6);
  }

  .media-card__caption {
    padding: 0 var(--space-6) var(--space-6);
  }

  .contact__hours-row {
    flex-direction: column;
    gap: var(--space-1);
  }

  .footer__social {
    width: 100%;
    flex-direction: column;
  }

  .footer__social-link {
    justify-content: center;
    width: 100%;
    text-align: center;
  }
}

@media (hover: none), (pointer: coarse) {
  .service-card:hover,
  .info-card--link:hover,
  .tech-card:hover,
  .footer__social-link:hover {
    transform: none;
  }

  .service-card:hover,
  .info-card--link:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-sm);
  }

  .service-card--featured:hover {
    border-color: oklch(44% 0.07 190 / 0.22);
    box-shadow: var(--shadow-md);
  }

  .tech-card:hover {
    box-shadow: var(--shadow-md);
  }

  .service-card:hover::before {
    transform: scaleX(0);
  }

  .service-card:hover::after {
    opacity: var(--service-art-opacity);
    transform: scale(1.02);
  }

  .service-card:hover .service-card__icon {
    background-color: var(--color-accent-light);
    color: var(--color-primary);
  }

  .service-card--featured:hover .service-card__icon {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
  }

  .service-card:hover .service-card__icon svg,
  .tech-card:hover .tech-card__image img {
    transform: none;
  }
}

/* ============================================================
   18. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .animate-on-scroll,
  .animate-stagger > * {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   19. UTILITIES
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}