/* ============================================================
   Dra. Vet - Clínica Veterinária | Design System
   clinicadravet.com | Poços de Caldas, MG
   ============================================================ */

/* ============================================================
   0. GOOGLE FONTS IMPORT
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap');

/* ============================================================
   1. CUSTOM PROPERTIES - DESIGN TOKENS
   ============================================================ */
:root {
  /* Brand Colors */
  --color-brand:        hsl(284, 34%, 52%);
  --color-brand-dark:   hsl(284, 42%, 38%);
  --color-brand-light:  hsl(284, 55%, 93%);
  --color-brand-xlight: hsl(284, 60%, 97%);
  --color-accent:       hsl(320, 50%, 68%);

  /* Text */
  --color-text:         hsl(240, 25%, 11%);
  --color-text-muted:   hsl(220, 10%, 44%);
  --color-text-light:   hsl(220, 8%, 62%);

  /* Surfaces */
  --color-surface:      hsl(0, 0%, 100%);
  --color-surface-alt:  hsl(284, 40%, 97%);
  --color-surface-dark: hsl(284, 30%, 15%);

  /* Borders */
  --color-border:       hsl(284, 25%, 88%);
  --color-border-light: hsl(284, 30%, 93%);

  /* CTAs */
  --color-cta:          hsl(284, 34%, 52%);
  --color-cta-hover:    hsl(284, 42%, 38%);
  --color-cta-text:     hsl(0, 0%, 100%);

  /* WhatsApp */
  --color-wa:           hsl(142, 70%, 49%);
  --color-wa-hover:     hsl(142, 72%, 40%);

  /* Typography */
  --font-display:  'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;

  --text-xs:   clamp(0.75rem, 1.5vw, 0.8125rem);
  --text-sm:   clamp(0.875rem, 1.8vw, 0.9375rem);
  --text-base: clamp(1rem, 2vw, 1.0625rem);
  --text-lg:   clamp(1.125rem, 2.2vw, 1.25rem);
  --text-xl:   clamp(1.25rem, 2.5vw, 1.5rem);
  --text-2xl:  clamp(1.5rem, 3vw, 2rem);
  --text-3xl:  clamp(2rem, 4vw, 2.75rem);
  --text-4xl:  clamp(2.25rem, 5vw, 3.25rem);

  /* Spacing */
  --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-16: 4rem;
  --space-section: clamp(4rem, 8vw, 7rem);

  /* Layout */
  --container: 72rem;
  --container-sm: 52rem;
  --container-xs: 40rem;

  /* Border Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1.25rem;
  --radius-xl:   2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 3px hsl(284 30% 30% / 0.08);
  --shadow-sm: 0 2px 8px hsl(284 30% 30% / 0.10);
  --shadow-md: 0 4px 20px hsl(284 30% 30% / 0.13);
  --shadow-lg: 0 8px 40px hsl(284 30% 30% / 0.16);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Article CTA tokens */
  --article-cta-surface: var(--color-brand-light);
  --article-cta-radius:  var(--radius-lg);
  --article-cta-border:  var(--color-border);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--color-brand); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-brand-dark); }

p { max-width: 70ch; }
ul, ol { list-style: none; }

button { font-family: var(--font-body); cursor: pointer; border: none; background: none; }

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

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

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-text);
  font-weight: 700;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); font-family: var(--font-body); }

.text-brand  { color: var(--color-brand); }
.text-muted  { color: var(--color-text-muted); }
.text-center { text-align: center; }
.lead { font-size: var(--text-lg); line-height: 1.7; color: var(--color-text-muted); }

/* ============================================================
   4. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--sm { max-width: var(--container-sm); }
.container--xs { max-width: var(--container-xs); }

.section { padding-block: var(--space-section); }
.section--alt  { background: var(--color-surface-alt); }
.section--dark { background: var(--color-surface-dark); color: hsl(0 0% 100%); }
.section--dark h2, .section--dark h3 { color: hsl(0 0% 100%); }

.section-header { margin-bottom: var(--space-12); text-align: center; }
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p { max-width: 56ch; margin-inline: auto; color: var(--color-text-muted); font-size: var(--text-lg); }

/* ============================================================
   5. SKIP LINK
   ============================================================ */
.skip-link {
  position: absolute; top: -9999px; left: var(--space-4); z-index: 9999;
  padding: var(--space-3) var(--space-6);
  background: var(--color-brand); color: #fff; font-weight: 600;
  border-radius: var(--radius-md);
}
.skip-link:focus { top: var(--space-4); }

/* ============================================================
   6. HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-xs);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-8); min-height: 4.5rem; padding-block: var(--space-3);
}

.site-logo a { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.site-logo img, .site-logo svg { height: 3rem; width: auto; }

.logo-text { display: flex; flex-direction: column; justify-content: center; gap: 0.125rem; }
.logo-name { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-brand); line-height: 1; }
.logo-sub { font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }

.site-nav { display: none; }

@media (min-width: 64rem) {
  .site-nav { display: flex; align-items: center; gap: var(--space-1); }
}

.site-nav a {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--color-brand); background: var(--color-brand-light);
}

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

.menu-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 2.5rem; height: 2.5rem; padding: var(--space-2);
  border-radius: var(--radius-sm); cursor: pointer; background: none; border: none;
  transition: background var(--transition-fast);
}
.menu-toggle:hover { background: var(--color-brand-light); }
.menu-toggle span {
  display: block; width: 100%; height: 2px; background: var(--color-text);
  border-radius: 2px; transition: transform var(--transition-base), opacity var(--transition-base);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 64rem) { .menu-toggle { display: none; } }

.mobile-nav {
  display: none; position: fixed; inset: 0; top: 4.5rem;
  background: var(--color-surface); z-index: 99;
  padding: var(--space-8) var(--space-6); overflow-y: auto;
  border-top: 1px solid var(--color-border);
}
.mobile-nav.is-open { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-nav a {
  font-size: var(--text-lg); font-weight: 500; color: var(--color-text);
  padding: var(--space-4) var(--space-6); border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-nav a:hover { background: var(--color-brand-light); color: var(--color-brand); }
.mobile-nav .btn { margin-top: var(--space-4); }

/* ============================================================
   7. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2); font-family: var(--font-body); font-size: var(--text-sm);
  font-weight: 600; line-height: 1; padding: 0.8125rem var(--space-6);
  border-radius: var(--radius-full); border: 2px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), transform var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 1.125em; height: 1.125em; flex-shrink: 0; }

.btn--primary {
  background: var(--color-cta); color: var(--color-cta-text);
  box-shadow: 0 4px 14px hsl(284 34% 52% / 0.35);
}
.btn--primary:hover {
  background: var(--color-cta-hover); color: #fff;
  box-shadow: 0 6px 20px hsl(284 34% 52% / 0.45);
}

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

.btn--whatsapp {
  background: var(--color-wa); color: #fff;
  box-shadow: 0 4px 14px hsl(142 70% 49% / 0.35);
}
.btn--whatsapp:hover { background: var(--color-wa-hover); color: #fff; box-shadow: 0 6px 20px hsl(142 70% 49% / 0.45); }

.btn--tel { background: transparent; color: var(--color-brand); border-color: var(--color-border); box-shadow: var(--shadow-xs); }
.btn--tel:hover { border-color: var(--color-brand); background: var(--color-brand-light); }

.btn--sm { font-size: var(--text-xs); padding: 0.5625rem var(--space-5); }
.btn--lg { font-size: var(--text-base); padding: 1.0625rem var(--space-8); }

.btn--white { background: #fff; color: var(--color-brand); border-color: #fff; }
.btn--white:hover { background: var(--color-brand-light); color: var(--color-brand-dark); }

.btn--outline-white { background: transparent; color: #fff; border-color: hsl(0 0% 100% / 0.5); }
.btn--outline-white:hover { background: hsl(0 0% 100% / 0.1); border-color: #fff; color: #fff; }

/* ============================================================
   8. HERO
   ============================================================ */
.hero {
  padding-block: clamp(4rem, 10vw, 8rem);
  background: linear-gradient(135deg, var(--color-brand-xlight) 0%, var(--color-surface) 55%, hsl(320 50% 97%) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 70% 50%, hsl(284 55% 88% / 0.5) 0%, transparent 70%);
}

.hero-inner { display: grid; gap: var(--space-12); align-items: center; }
@media (min-width: 56rem) { .hero-inner { grid-template-columns: 1fr 1fr; } }

.hero-content { max-width: 38rem; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-brand); background: var(--color-brand-light);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); margin-bottom: var(--space-6);
}

.hero h1 { margin-bottom: var(--space-6); }
.hero h1 em { font-style: italic; color: var(--color-brand); }

.hero-desc { font-size: var(--text-lg); color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-8); }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }

.hero-trust {
  display: flex; align-items: center; gap: var(--space-3);
  margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--color-border-light);
}
.hero-trust-stars { color: hsl(38 95% 52%); font-size: var(--text-lg); letter-spacing: 0.05em; }
.hero-trust-text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.4; }
.hero-trust-text strong { display: block; color: var(--color-text); font-weight: 600; }

.hero-image-wrapper {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  aspect-ratio: 4 / 3; background: var(--color-brand-light); box-shadow: var(--shadow-lg);
}
.hero-image-wrapper img { width: 100%; height: 100%; object-fit: cover; }

.hero-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-4); width: 100%; height: 100%;
  color: var(--color-brand); font-size: var(--text-sm); font-weight: 500; text-align: center; padding: var(--space-8);
}
.hero-placeholder svg { width: 4rem; height: 4rem; opacity: 0.35; }
.hero-placeholder-label {
  color: var(--color-text-muted); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em;
  border: 2px dashed var(--color-border); padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
}

/* ============================================================
   9. SERVICE CARDS
   ============================================================ */
.services-grid {
  display: grid; gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.service-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-8);
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
  text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: var(--space-4);
}
.service-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-brand); transform: translateY(-3px); }

.service-card-icon {
  width: 3.25rem; height: 3.25rem; background: var(--color-brand-light);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  color: var(--color-brand); flex-shrink: 0; transition: background var(--transition-fast), color var(--transition-fast);
}
.service-card:hover .service-card-icon { background: var(--color-brand); color: #fff; }
.service-card-icon svg { width: 1.5rem; height: 1.5rem; }

.service-card h3 { font-size: var(--text-lg); transition: color var(--transition-fast); }
.service-card:hover h3 { color: var(--color-brand); }
.service-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; flex: 1; }
.service-card-link svg { width: 1.25rem; height: 1.25rem; flex-shrink: 0; transition: transform var(--transition-fast); }
.service-card:hover .service-card-link svg { transform: translateX(4px); }
.service-card-link { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); font-weight: 600; color: var(--color-brand); margin-top: auto; }

/* ============================================================
   10. DIFFERENTIALS
   ============================================================ */
.differentials-list {
  display: grid; gap: var(--space-8);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.differential-item { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-4); }

.differential-icon {
  width: 4rem; height: 4rem; background: var(--color-brand-light);
  border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; color: var(--color-brand);
}
.differential-icon svg { width: 1.75rem; height: 1.75rem; }
.differential-item h3 { font-size: var(--text-lg); }
.differential-item p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; margin-inline: auto; }

/* ============================================================
   11. UNIT CARDS
   ============================================================ */
.units-grid {
  display: grid; gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr));
}

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

.unit-card-header { background: var(--color-brand); color: #fff; padding: var(--space-6) var(--space-8); }
.unit-card-header h3 { color: #fff; font-size: var(--text-xl); margin-bottom: var(--space-2); }

.unit-badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  background: hsl(0 0% 100% / 0.2); color: #fff; font-size: var(--text-xs); font-weight: 600;
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
}

.unit-card-body { padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-5); }

.unit-info-item { display: flex; align-items: flex-start; gap: var(--space-3); }

.unit-info-icon {
  width: 2.25rem; height: 2.25rem; background: var(--color-brand-light);
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  color: var(--color-brand); flex-shrink: 0; margin-top: 0.125rem;
}
.unit-info-icon svg { width: 1rem; height: 1rem; }

.unit-info-text { font-size: var(--text-sm); line-height: 1.5; }
.unit-info-text strong { display: block; font-weight: 600; color: var(--color-text); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-1); }
.unit-info-text a { color: var(--color-text); }
.unit-info-text a:hover { color: var(--color-brand); }

.unit-actions {
  display: flex; flex-direction: column; gap: var(--space-3);
  margin-top: var(--space-2); padding-top: var(--space-5); border-top: 1px solid var(--color-border-light);
}
@media (min-width: 28rem) { .unit-actions { flex-direction: row; flex-wrap: wrap; } }

/* ============================================================
   12. TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid; gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
}

.testimonial-card {
  background: var(--color-surface); border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: var(--space-5);
}

.testimonial-stars { color: hsl(38 95% 52%); font-size: var(--text-base); letter-spacing: 0.05em; }
.testimonial-text { font-size: var(--text-base); line-height: 1.7; color: var(--color-text); font-style: italic; flex: 1; }
.testimonial-text::before { content: '\201C'; }
.testimonial-text::after  { content: '\201D'; }

.testimonial-author {
  display: flex; align-items: center; gap: var(--space-3);
  padding-top: var(--space-4); border-top: 1px solid var(--color-border-light);
}
.testimonial-avatar {
  width: 2.75rem; height: 2.75rem; border-radius: var(--radius-full);
  background: var(--color-brand-light); display: flex; align-items: center; justify-content: center;
  color: var(--color-brand); font-weight: 700; font-size: var(--text-base); flex-shrink: 0;
}
.testimonial-info strong { display: block; font-weight: 600; font-size: var(--text-sm); color: var(--color-text); }
.testimonial-info span   { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ============================================================
   13. CTA SECTION
   ============================================================ */
.cta-section { padding-block: var(--space-section); background: var(--color-brand); color: #fff; text-align: center; }
.cta-section h2 { color: #fff; margin-bottom: var(--space-4); }
.cta-section p { color: hsl(284 60% 90%); font-size: var(--text-lg); margin-inline: auto; margin-bottom: var(--space-8); max-width: 56ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }

/* ============================================================
   14. ARTICLE CTA
   ============================================================ */
.article-cta {
  margin-block: var(--space-12);
  background: var(--article-cta-surface);
  border: 1px solid var(--article-cta-border);
  border-radius: var(--article-cta-radius);
  padding: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}
.article-cta__content {
  max-width: var(--container-sm); margin-inline: auto;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-5);
}
.article-cta h2 { font-size: var(--text-2xl); color: var(--color-text); margin: 0; }
.article-cta p  { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.7; max-width: 52ch; margin: 0; }

/* ============================================================
   15. BREADCRUMB
   ============================================================ */
.breadcrumb { padding-block: var(--space-4); border-bottom: 1px solid var(--color-border-light); background: var(--color-surface-alt); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--space-1); align-items: center; list-style: none; padding: 0; }
.breadcrumb li { display: flex; align-items: center; gap: var(--space-1); font-size: var(--text-sm); color: var(--color-text-muted); }
.breadcrumb li + li::before { content: '/'; color: var(--color-border); }
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-brand); }
.breadcrumb [aria-current="page"] { color: var(--color-text); font-weight: 500; }

/* ============================================================
   16. PAGE HERO (subpages)
   ============================================================ */
.page-hero {
  padding-block: clamp(3rem, 6vw, 5rem);
  background: linear-gradient(135deg, var(--color-brand-xlight) 0%, var(--color-surface) 100%);
  text-align: center;
}
.page-hero h1 { margin-bottom: var(--space-4); }
.page-hero p  { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 56ch; margin-inline: auto; }

/* ============================================================
   17. PROSE / CONTENT
   ============================================================ */
.prose { max-width: 68ch; }
.prose h2 { margin-top: var(--space-12); margin-bottom: var(--space-4); }
.prose h3 { margin-top: var(--space-8);  margin-bottom: var(--space-3); }
.prose p  { margin-bottom: var(--space-5); }
.prose ul, .prose ol { margin-bottom: var(--space-5); padding-left: var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose a  { color: var(--color-brand); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--color-brand-dark); }
.prose blockquote {
  border-left: 4px solid var(--color-brand); padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0; background: var(--color-brand-xlight);
  border-radius: 0 var(--radius-md) var(--radius-md) 0; font-style: italic; color: var(--color-text-muted);
}

/* ============================================================
   18. BLOG
   ============================================================ */
.blog-grid { display: grid; gap: var(--space-8); grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr)); }

.blog-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  text-decoration: none; color: inherit;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.blog-card-image { aspect-ratio: 16 / 9; background: var(--color-brand-light); overflow: hidden; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.blog-card:hover .blog-card-image img { transform: scale(1.04); }

.blog-card-body { padding: var(--space-6); flex: 1; display: flex; flex-direction: column; gap: var(--space-3); }
.blog-card-category { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-brand); }
.blog-card h3 { font-size: var(--text-lg); font-family: var(--font-display); color: var(--color-text); line-height: 1.3; }
.blog-card:hover h3 { color: var(--color-brand); }
.blog-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }
.blog-card-meta { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-xs); color: var(--color-text-light); margin-top: auto; padding-top: var(--space-4); border-top: 1px solid var(--color-border-light); }

/* Article layout */
.article-layout { display: grid; gap: var(--space-12); align-items: start; }
@media (min-width: 64rem) { .article-layout { grid-template-columns: 1fr 20rem; } }
.article-body { min-width: 0; }
.article-header { margin-bottom: var(--space-8); padding-bottom: var(--space-8); border-bottom: 1px solid var(--color-border-light); }
.article-category {
  display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-brand); background: var(--color-brand-light);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); margin-bottom: var(--space-5);
}
.article-meta { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-5); }
.article-featured-image { width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); object-fit: cover; margin-bottom: var(--space-8); }

.article-sidebar { position: sticky; top: 6rem; display: flex; flex-direction: column; gap: var(--space-6); }
.sidebar-widget { background: var(--color-surface-alt); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }
.sidebar-widget h4 { font-size: var(--text-base); margin-bottom: var(--space-4); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-border-light); }

/* ============================================================
   19. FOOTER
   ============================================================ */
.site-footer { background: var(--color-surface-dark); color: hsl(284 40% 85%); padding-block: var(--space-section); }
.footer-grid { display: grid; gap: var(--space-10); grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }

.footer-brand { max-width: 22rem; }
.footer-brand .logo-text { display: flex; flex-direction: column; justify-content: center; gap: 0.125rem; }
.logo-name { color: hsl(284 60% 80%); }
.footer-brand .logo-sub  { color: hsl(284 30% 65%); }
.footer-tagline { margin-top: var(--space-4); font-size: var(--text-sm); line-height: 1.7; color: hsl(284 20% 70%); }

.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer-social a {
  width: 2.5rem; height: 2.5rem; border: 1px solid hsl(284 20% 35%); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; color: hsl(284 40% 75%);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.footer-social a:hover { background: var(--color-brand); border-color: var(--color-brand); color: #fff; }
.footer-social svg { width: 1.125rem; height: 1.125rem; }

.footer-col h4 { color: #fff; font-size: var(--text-sm); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-5); font-family: var(--font-body); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); list-style: none; }
.footer-col a { color: hsl(284 20% 70%); font-size: var(--text-sm); text-decoration: none; transition: color var(--transition-fast); }
.footer-col a:hover { color: hsl(284 60% 80%); }

.footer-nap-item { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); color: hsl(284 20% 70%); line-height: 1.5; }
.footer-nap-item svg { width: 1rem; height: 1rem; color: var(--color-brand); flex-shrink: 0; margin-top: 0.2rem; }
.footer-nap-item a { color: inherit; text-decoration: none; }
.footer-nap-item a:hover { color: hsl(284 60% 80%); }
.footer-nap-list { display: flex; flex-direction: column; gap: var(--space-4); }

.footer-bottom {
  margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid hsl(284 15% 25%);
  display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; justify-content: space-between;
  font-size: var(--text-xs); color: hsl(284 15% 55%);
}

/* ============================================================
   20. WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed; bottom: var(--space-6); right: var(--space-6); z-index: 50;
  width: 3.5rem; height: 3.5rem; background: var(--color-wa); border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center; color: #fff; text-decoration: none;
  box-shadow: 0 4px 20px hsl(142 70% 49% / 0.5);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  will-change: transform;
}
.whatsapp-float:hover { transform: scale(1.08); box-shadow: 0 6px 28px hsl(142 70% 49% / 0.6); color: #fff; }
.whatsapp-float svg { width: 1.75rem; height: 1.75rem; }

/* ============================================================
   21. 404
   ============================================================ */
.error-page {
  min-height: 70vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: var(--space-section) var(--space-6);
}
.error-inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-6); }
.error-code { font-family: var(--font-display); font-size: clamp(6rem, 20vw, 10rem); font-weight: 700; color: var(--color-brand-light); line-height: 1; }
.error-page h1 { font-size: var(--text-3xl); margin: 0; }
.error-page p { color: var(--color-text-muted); font-size: var(--text-lg); margin-inline: auto; max-width: 44ch; }
.error-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }

/* ============================================================
   22. IMAGE PLACEHOLDERS
   ============================================================ */
.img-placeholder {
  background: var(--color-brand-light); border: 2px dashed var(--color-border); border-radius: var(--radius-md);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-3); color: var(--color-brand); padding: var(--space-8); text-align: center;
}
.img-placeholder svg { width: 3rem; height: 3rem; opacity: 0.35; }
.img-placeholder-label { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); border: 1px dashed var(--color-border); padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); }

/* ============================================================
   23. 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; }
.full-width { width: 100%; }

/* ============================================================
   24. PRINT
   ============================================================ */
@media print {
  .site-header, .whatsapp-float, .menu-toggle, .mobile-nav { display: none; }
  body { color: #000; background: #fff; }
  a    { color: #000; text-decoration: underline; }
}