/*
 * SWARAM DENTAL CLINIC — DESIGN SYSTEM
 * Phase A: Design Foundation
 * Version: 2.0
 */

/* ============================================================
   DESIGN TOKENS — CSS CUSTOM PROPERTIES
   ============================================================ */

:root {

  /* ----------------------------------------------------------
     COLOR PALETTE
     Primary: Deep Teal (trust, expertise, calm)
     Accent: Warm Gold (premium, quality, warmth)
  ---------------------------------------------------------- */

  /* Primary Brand Colors */
  --clr-primary-50:  hsl(196, 80%, 96%);
  --clr-primary-100: hsl(196, 75%, 89%);
  --clr-primary-200: hsl(196, 72%, 76%);
  --clr-primary-300: hsl(196, 68%, 60%);
  --clr-primary-400: hsl(196, 65%, 45%);
  --clr-primary-500: hsl(196, 70%, 35%);
  --clr-primary-600: hsl(196, 72%, 28%);
  --clr-primary-700: hsl(196, 74%, 22%);
  --clr-primary-800: hsl(196, 76%, 16%);
  --clr-primary-900: hsl(196, 80%, 10%);

  /* Accent — Warm Gold */
  --clr-accent-50:  hsl(42, 100%, 97%);
  --clr-accent-100: hsl(42, 95%, 88%);
  --clr-accent-200: hsl(42, 90%, 72%);
  --clr-accent-300: hsl(42, 88%, 58%);
  --clr-accent-400: hsl(42, 86%, 48%);
  --clr-accent-500: hsl(42, 88%, 40%);
  --clr-accent-600: hsl(42, 90%, 32%);

  /* Secondary Blue */
  --clr-blue-50:  hsl(214, 100%, 97%);
  --clr-blue-100: hsl(214, 95%, 92%);
  --clr-blue-200: hsl(214, 88%, 82%);
  --clr-blue-300: hsl(214, 78%, 68%);
  --clr-blue-400: hsl(214, 70%, 54%);
  --clr-blue-500: hsl(214, 68%, 44%);
  --clr-blue-600: hsl(214, 70%, 36%);
  --clr-blue-700: hsl(214, 72%, 28%);
  --clr-blue-800: hsl(214, 76%, 20%);

  /* Status Colors */
  --clr-success-light: hsl(142, 60%, 92%);
  --clr-success:       hsl(142, 55%, 38%);
  --clr-success-dark:  hsl(142, 58%, 28%);
  --clr-warning-light: hsl(38, 90%, 92%);
  --clr-warning:       hsl(38, 88%, 48%);
  --clr-error-light:   hsl(4, 80%, 94%);
  --clr-error:         hsl(4, 76%, 50%);

  /* Neutral Scale */
  --clr-neutral-0:   hsl(0, 0%, 100%);
  --clr-neutral-50:  hsl(210, 20%, 98%);
  --clr-neutral-100: hsl(210, 16%, 95%);
  --clr-neutral-150: hsl(210, 14%, 91%);
  --clr-neutral-200: hsl(210, 12%, 85%);
  --clr-neutral-300: hsl(210, 10%, 72%);
  --clr-neutral-400: hsl(210, 8%, 58%);
  --clr-neutral-500: hsl(210, 7%, 44%);
  --clr-neutral-600: hsl(210, 8%, 34%);
  --clr-neutral-700: hsl(210, 10%, 24%);
  --clr-neutral-800: hsl(210, 12%, 16%);
  --clr-neutral-900: hsl(210, 14%, 10%);

  /* Semantic Aliases */
  --color-bg:           var(--clr-neutral-0);
  --color-bg-subtle:    var(--clr-neutral-50);
  --color-bg-muted:     var(--clr-neutral-100);
  --color-surface:      var(--clr-neutral-0);
  --color-border:       var(--clr-neutral-200);
  --color-border-soft:  var(--clr-neutral-150);
  --color-text:         var(--clr-neutral-800);
  --color-text-muted:   var(--clr-neutral-500);
  --color-text-light:   var(--clr-neutral-400);
  --color-text-invert:  var(--clr-neutral-0);
  --color-brand:        var(--clr-primary-500);
  --color-brand-dark:   var(--clr-primary-700);
  --color-brand-light:  var(--clr-primary-100);
  --color-accent:       var(--clr-accent-400);
  --color-accent-text:  var(--clr-accent-500);

  /* Overlays */
  --overlay-light:  hsla(0, 0%, 100%, 0.85);
  --overlay-dark:   hsla(210, 14%, 10%, 0.65);
  --overlay-brand:  hsla(196, 70%, 35%, 0.90);

  /* ----------------------------------------------------------
     TYPOGRAPHY
  ---------------------------------------------------------- */

  --ff-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --ff-body:    'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Font Size Scale */
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  1.875rem;
  --fs-3xl:  2.25rem;
  --fs-4xl:  3rem;
  --fs-5xl:  3.75rem;
  --fs-6xl:  4.5rem;

  /* Fluid heading sizes */
  --fs-display: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --fs-h1:      clamp(2rem, 4vw + 0.75rem, 3.5rem);
  --fs-h2:      clamp(1.75rem, 3vw + 0.5rem, 2.75rem);
  --fs-h3:      clamp(1.375rem, 2vw + 0.25rem, 2rem);
  --fs-h4:      clamp(1.125rem, 1.5vw + 0.125rem, 1.5rem);
  --fs-h5:      clamp(1rem, 1vw + 0.125rem, 1.25rem);

  /* Font Weights */
  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;
  --fw-black:     900;

  /* Line Heights */
  --lh-tight:   1.2;
  --lh-snug:    1.35;
  --lh-normal:  1.5;
  --lh-relaxed: 1.65;
  --lh-loose:   1.8;

  /* Letter Spacing */
  --ls-tight:   -0.025em;
  --ls-normal:   0em;
  --ls-wide:     0.025em;
  --ls-wider:    0.05em;
  --ls-widest:   0.1em;

  /* ----------------------------------------------------------
     SPACING SCALE (8px base grid)
  ---------------------------------------------------------- */

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --section-py: clamp(3rem, 6vw, 6rem);

  /* Container */
  --container-max:  1280px;
  --container-wide: 1440px;

  /* ----------------------------------------------------------
     BORDER RADIUS
  ---------------------------------------------------------- */

  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-3xl:  2rem;
  --radius-full: 9999px;

  /* ----------------------------------------------------------
     SHADOWS
  ---------------------------------------------------------- */

  --shadow-xs:  0 1px 2px hsla(0,0%,0%,0.05);
  --shadow-sm:  0 1px 3px hsla(0,0%,0%,0.08), 0 1px 2px hsla(0,0%,0%,0.06);
  --shadow-md:  0 4px 6px hsla(0,0%,0%,0.07), 0 2px 4px hsla(0,0%,0%,0.06);
  --shadow-lg:  0 10px 15px hsla(0,0%,0%,0.07), 0 4px 6px hsla(0,0%,0%,0.05);
  --shadow-xl:  0 20px 25px hsla(0,0%,0%,0.08), 0 10px 10px hsla(0,0%,0%,0.04);
  --shadow-2xl: 0 25px 50px hsla(0,0%,0%,0.12);
  --shadow-brand:    0 4px 20px hsla(196, 70%, 35%, 0.25);
  --shadow-brand-lg: 0 8px 32px hsla(196, 70%, 35%, 0.30);
  --shadow-accent:   0 4px 20px hsla(42, 88%, 48%, 0.30);
  --shadow-inset:    inset 0 2px 4px hsla(0,0%,0%,0.06);

  /* ----------------------------------------------------------
     TRANSITIONS
  ---------------------------------------------------------- */

  --ease-in:    cubic-bezier(0.4, 0, 1, 1);
  --ease-out:   cubic-bezier(0, 0, 0.2, 1);
  --ease-inout: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 600ms;

  --transition-base:      all var(--duration-base) var(--ease-inout);
  --transition-color:     color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
  --transition-shadow:    box-shadow var(--duration-base) var(--ease-out);
  --transition-transform: transform var(--duration-base) var(--ease-out);

  /* ----------------------------------------------------------
     Z-INDEX
  ---------------------------------------------------------- */

  --z-below:    -1;
  --z-base:      0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
  --z-tooltip:  600;

  /* ----------------------------------------------------------
     GRADIENTS
  ---------------------------------------------------------- */

  --gradient-brand:       linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-primary-700) 100%);
  --gradient-brand-light: linear-gradient(135deg, var(--clr-primary-50) 0%, var(--clr-blue-50) 100%);
  --gradient-hero:        linear-gradient(135deg, var(--clr-primary-800) 0%, var(--clr-blue-700) 100%);
  --gradient-accent:      linear-gradient(135deg, var(--clr-accent-300) 0%, var(--clr-accent-500) 100%);
  --gradient-card-hover:  linear-gradient(135deg, var(--clr-primary-50) 0%, var(--clr-blue-50) 100%);
  --gradient-text:        linear-gradient(135deg, var(--clr-primary-500) 0%, var(--clr-blue-500) 100%);

}


/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--clr-neutral-900);
  letter-spacing: var(--ls-tight);
}

p { max-width: 68ch; }
address { font-style: normal; }

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--clr-primary-100);
  color: var(--clr-primary-800);
}


/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */

.text-display    { font-size: var(--fs-display); font-weight: var(--fw-extrabold); line-height: var(--lh-tight); letter-spacing: var(--ls-tight); }
.text-h1         { font-size: var(--fs-h1);  font-weight: var(--fw-bold);      line-height: var(--lh-tight); }
.text-h2         { font-size: var(--fs-h2);  font-weight: var(--fw-bold);      line-height: var(--lh-snug); }
.text-h3         { font-size: var(--fs-h3);  font-weight: var(--fw-semibold);  line-height: var(--lh-snug); }
.text-h4         { font-size: var(--fs-h4);  font-weight: var(--fw-semibold);  line-height: var(--lh-snug); }
.text-h5         { font-size: var(--fs-h5);  font-weight: var(--fw-medium);    line-height: var(--lh-normal); }
.text-lg         { font-size: var(--fs-lg); }
.text-md         { font-size: var(--fs-md); }
.text-base       { font-size: var(--fs-base); }
.text-sm         { font-size: var(--fs-sm); }
.text-xs         { font-size: var(--fs-xs); }

.text-primary    { color: var(--color-brand); }
.text-accent     { color: var(--color-accent-text); }
.text-muted      { color: var(--color-text-muted); }
.text-light      { color: var(--color-text-light); }
.text-invert     { color: var(--color-text-invert); }
.text-center     { text-align: center; }
.text-left       { text-align: left; }
.text-right      { text-align: right; }
.text-uppercase  { text-transform: uppercase; letter-spacing: var(--ls-wider); }
.text-gradient   { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.font-light    { font-weight: var(--fw-light); }
.font-regular  { font-weight: var(--fw-regular); }
.font-medium   { font-weight: var(--fw-medium); }
.font-semibold { font-weight: var(--fw-semibold); }
.font-bold     { font-weight: var(--fw-bold); }


/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 768px) {
  .container, .container-wide {
    padding-inline: var(--space-4);
  }
}

.section    { padding-block: var(--section-py); }
.section-sm { padding-block: calc(var(--section-py) * 0.6); }
.section-lg { padding-block: calc(var(--section-py) * 1.4); }

/* Grid */
.grid    { display: grid; gap: var(--space-6); }
.grid-2  { grid-template-columns: repeat(2, 1fr); }
.grid-3  { grid-template-columns: repeat(3, 1fr); }
.grid-4  { grid-template-columns: repeat(4, 1fr); }
.grid-auto-fill-240 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-auto-fill-280 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-auto-fill-320 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }

@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px)  { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Flex */
.flex           { display: flex; }
.flex-col       { flex-direction: column; }
.flex-wrap      { flex-wrap: wrap; }
.items-center   { align-items: center; }
.items-start    { align-items: flex-start; }
.items-end      { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start   { justify-content: flex-start; }
.justify-end     { justify-content: flex-end; }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }


/* ============================================================
   SECTION HEADER
   ============================================================ */

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-14);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-brand-light);
  color: var(--color-brand);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-brand);
  flex-shrink: 0;
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--clr-neutral-900);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-4);
  letter-spacing: var(--ls-tight);
}

.section-subtitle {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  max-width: 60ch;
  margin-inline: auto;
}

.section-header.align-left {
  text-align: left;
  margin-inline: 0;
}

.section-header.align-left .section-subtitle {
  margin-inline: 0;
}

.divider-brand {
  width: 60px;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  border: none;
  margin-bottom: var(--space-6);
}

.divider-brand-center { margin-inline: auto; }


/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75em 1.75em;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  vertical-align: middle;
}

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

.btn-primary {
  background: var(--gradient-brand);
  color: var(--clr-neutral-0);
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand-lg);
  filter: brightness(1.08);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}

.btn-secondary:hover {
  background: var(--color-brand-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--clr-neutral-0);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px hsla(42, 88%, 48%, 0.40);
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-neutral-0);
  border-color: hsla(0,0%,100%,0.6);
}

.btn-ghost:hover {
  background: hsla(0,0%,100%,0.12);
  border-color: var(--clr-neutral-0);
}

.btn-white {
  background: var(--clr-neutral-0);
  color: var(--color-brand);
  border-color: var(--clr-neutral-0);
  box-shadow: var(--shadow-lg);
}

.btn-white:hover {
  background: var(--clr-primary-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-call {
  background: hsl(142, 55%, 38%);
  color: var(--clr-neutral-0);
  box-shadow: 0 4px 16px hsla(142, 55%, 38%, 0.30);
}

.btn-call:hover {
  background: hsl(142, 58%, 30%);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: hsl(142, 70%, 35%);
  color: var(--clr-neutral-0);
}

.btn-whatsapp:hover {
  background: hsl(142, 72%, 28%);
  transform: translateY(-2px);
}

/* Sizes */
.btn-sm  { padding: 0.5em 1.25em; font-size: var(--fs-xs); }
.btn-md  { padding: 0.75em 1.75em; font-size: var(--fs-sm); }
.btn-lg  { padding: 0.9em 2.25em; font-size: var(--fs-base); }
.btn-xl  { padding: 1em 2.75em; font-size: var(--fs-md); }
.btn-block { width: 100%; display: flex; }

.btn svg, .btn ion-icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}


/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-soft);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

/* Service card */
.card-service {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-soft);
  text-align: center;
  transition: var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card-service::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card-hover);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.card-service:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-200);
}

.card-service:hover::before { opacity: 1; }

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

.card-service__icon {
  width: 64px;
  height: 64px;
  background: var(--color-brand-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--space-5);
  transition: var(--transition-base);
}

.card-service__icon svg,
.card-service__icon img {
  width: 32px;
  height: 32px;
  color: var(--color-brand);
}

.card-service:hover .card-service__icon {
  background: var(--gradient-brand);
  box-shadow: var(--shadow-brand);
}

.card-service:hover .card-service__icon svg { color: var(--clr-neutral-0); }

.card-service__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--clr-neutral-900);
  margin-bottom: var(--space-2);
}

.card-service__text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

.card-service__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-brand);
  margin-top: var(--space-4);
  transition: gap var(--duration-fast) var(--ease-out);
}

.card-service:hover .card-service__link { gap: var(--space-3); }

/* Review card */
.card-review {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
}

.card-review:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-100);
}

.card-review__quote {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: 4rem;
  line-height: 1;
  color: var(--clr-primary-100);
  font-family: Georgia, serif;
  pointer-events: none;
  user-select: none;
}

.card-review__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  color: var(--clr-accent-400);
}

.card-review__text {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

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

.card-review__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-neutral-0);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
  overflow: hidden;
}

.card-review__author-name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--clr-neutral-900);
}

.card-review__author-meta {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.card-review__treatment {
  display: inline-block;
  padding: 2px var(--space-3);
  background: var(--color-brand-light);
  color: var(--color-brand);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  margin-top: var(--space-2);
}

/* Stat card */
.card-stat {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border-soft);
  transition: var(--transition-base);
}

.card-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-100);
}

.card-stat__number {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.card-stat__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
}

/* Feature card */
.card-feature {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-soft);
  transition: var(--transition-base);
  overflow: hidden;
  position: relative;
}

.card-feature::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.card-feature:hover::after { transform: scaleX(1); }

.card-feature__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-neutral-0);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-brand);
}

.card-feature__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--clr-neutral-900);
  margin-bottom: var(--space-3);
}

.card-feature__text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}


/* ============================================================
   FORMS
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-neutral-700);
}

.form-label .required { color: var(--clr-error); margin-left: var(--space-1); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-family: var(--ff-body);
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition-base);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px hsla(196, 70%, 35%, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--clr-neutral-400); }

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--lh-relaxed);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--clr-error);
}

.form-hint {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-soft);
}

@media (max-width: 480px) { .form-card { padding: var(--space-6); } }

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 640px) { .form-grid-2 { grid-template-columns: 1fr; } }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand);
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
}

.form-check__label {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: var(--lh-normal);
}


/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
}

.badge-primary { background: var(--color-brand-light); color: var(--color-brand); }
.badge-accent  { background: var(--clr-accent-100);    color: var(--clr-accent-600); }
.badge-success { background: var(--clr-success-light); color: var(--clr-success-dark); }
.badge-neutral { background: var(--clr-neutral-100);   color: var(--clr-neutral-600); }


/* ============================================================
   DIVIDERS
   ============================================================ */

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
  margin-block: var(--space-8);
}


/* ============================================================
   RATING STARS
   ============================================================ */

.stars {
  display: inline-flex;
  gap: 2px;
  color: var(--clr-accent-400);
  font-size: var(--fs-md);
}

.stars-sm { font-size: var(--fs-sm); }
.stars-lg { font-size: var(--fs-xl); }


/* ============================================================
   ANIMATIONS & KEYFRAMES
   ============================================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 hsla(196, 70%, 35%, 0.4); }
  50%       { box-shadow: 0 0 0 12px hsla(196, 70%, 35%, 0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

@keyframes shimmer {
  0%   { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Animation utility classes */
.animate-fade-in-up   { opacity: 0; animation: fadeInUp var(--duration-slower) var(--ease-out) both; }
.animate-fade-in      { opacity: 0; animation: fadeIn var(--duration-slow) var(--ease-out) both; }
.animate-slide-right  { opacity: 0; animation: slideInRight var(--duration-slower) var(--ease-out) both; }
.animate-slide-left   { opacity: 0; animation: slideInLeft var(--duration-slower) var(--ease-out) both; }
.animate-scale-in     { opacity: 0; animation: scaleIn var(--duration-slow) var(--ease-spring) both; }
.animate-float        { animation: float 4s var(--ease-inout) infinite; }
.animate-pulse-cta    { animation: pulse 2s var(--ease-out) infinite; }

/* Stagger delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* Scroll reveal — toggled by IntersectionObserver in main.js */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal.visible       { opacity: 1; transform: translateY(0); }

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal-left.visible  { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ============================================================
   BACKGROUND UTILITIES
   ============================================================ */

.bg-white       { background-color: var(--clr-neutral-0); }
.bg-subtle      { background-color: var(--clr-neutral-50); }
.bg-muted       { background-color: var(--clr-neutral-100); }
.bg-brand       { background: var(--gradient-brand); }
.bg-brand-light { background-color: var(--clr-primary-50); }
.bg-hero        { background: var(--gradient-hero); }


/* ============================================================
   SKELETON LOADING
   ============================================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--clr-neutral-100) 0%,
    var(--clr-neutral-200) 50%,
    var(--clr-neutral-100) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 1.8s infinite linear;
  border-radius: var(--radius-md);
}


/* ============================================================
   SCROLLBAR
   ============================================================ */

::-webkit-scrollbar              { width: 8px; height: 8px; }
::-webkit-scrollbar-track        { background: var(--clr-neutral-100); }
::-webkit-scrollbar-thumb        { background: var(--clr-primary-300); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover  { background: var(--clr-primary-500); }


/* ============================================================
   PRINT
   ============================================================ */

@media print {
  *, *::before, *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
  }

  a[href]::after { content: " (" attr(href) ")"; }
}