/* =====================================================
   AURA MAXILLOFACIAL — Design System
   Brand: Dra. Diana Aragón
   These tokens map 1:1 to the WordPress theme.json palette.
   ===================================================== */

:root {
  /* Colors — Surface */
  --surface: #fcf9f8;
  --surface-dim: #dcd9d9;
  --surface-bright: #fcf9f8;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f6f3f2;
  --surface-container: #f0eded;
  --surface-container-high: #eae7e7;
  --surface-container-highest: #e5e2e1;
  --background: #fcf9f8;

  /* Colors — On Surface */
  --on-surface: #1c1b1b;
  --on-surface-variant: #4e4639;
  --on-background: #1c1b1b;
  --inverse-surface: #313030;
  --inverse-on-surface: #f3f0ef;
  --outline: #807667;
  --outline-variant: #d1c5b4;

  /* Colors — Primary (Oro Profundo) */
  --primary: #75571c;
  --on-primary: #ffffff;
  --primary-container: #906f32;
  --on-primary-container: #fffbff;
  --inverse-primary: #e9c17b;
  --primary-fixed: #ffdea9;
  --primary-fixed-dim: #e9c17b;
  --on-primary-fixed: #271900;
  --on-primary-fixed-variant: #5d4207;

  /* Colors — Secondary (Oro Champagne) */
  --secondary: #745b1b;
  --on-secondary: #ffffff;
  --secondary-container: #ffdc8e;
  --on-secondary-container: #795f1f;

  /* Colors — Tertiary */
  --tertiary: #685e3d;
  --on-tertiary: #ffffff;

  /* Colors — Error */
  --error: #ba1a1a;
  --on-error: #ffffff;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Montserrat', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --container-max: 1280px;
  --gutter: 1.5rem;
  --margin-desktop: 5rem;
  --margin-mobile: 1.25rem;
  --section-gap: 8rem;
  --section-gap-mobile: 4rem;

  /* Radii */
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 15px 35px rgba(156, 122, 60, 0.08);
  --shadow-medium: 0 20px 50px rgba(156, 122, 60, 0.12);
}

/* =====================================================
   BASE
   ===================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-background);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary-fixed);
  color: var(--on-primary-fixed);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  color: var(--on-background);
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

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

.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--margin-mobile);
  padding-right: var(--margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--margin-desktop);
    padding-right: var(--margin-desktop);
  }
}

.section {
  padding-top: var(--section-gap-mobile);
  padding-bottom: var(--section-gap-mobile);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--section-gap);
    padding-bottom: var(--section-gap);
  }
}

.section--tinted {
  background: var(--surface-container-low);
}

.section--cream {
  background: var(--surface-container);
}

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

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--secondary);
}

.display {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.headline-lg {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.headline-md {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.3;
}

.headline-sm {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.body-lg {
  font-size: 18px;
  line-height: 1.65;
  color: var(--on-surface-variant);
}

.body-md {
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

.label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.label-sm {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.italic-accent {
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

/* =====================================================
   NAVIGATION
   ===================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  /* More transparent glass — see the page tint through it */
  background: rgba(252, 249, 248, 0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(209, 197, 180, 0.25);
}

/* Header gets a subtle shadow only when scrolled */
.site-header.is-scrolled {
  background: rgba(252, 249, 248, 0.65);
  box-shadow: 0 8px 24px rgba(28, 27, 27, 0.04);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem var(--margin-mobile);
  gap: 1rem;
}

@media (min-width: 768px) {
  .nav {
    padding: 1rem var(--margin-desktop);
  }
}

.nav__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* custom-logo-link is the <a> WordPress outputs inside the_custom_logo() */
.nav__brand .custom-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__brand img,
.nav__brand .custom-logo {
  height: 40px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
}

@media (min-width: 768px) {
  .nav__brand img,
  .nav__brand .custom-logo {
    height: 48px;
  }
}

.nav__brand-link {
  text-decoration: none;
}

.nav__brand-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .04em;
}

.nav__menu {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 960px) {
  .nav__menu {
    display: flex;
  }
}

.nav__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--on-surface-variant);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

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

.nav__link.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.nav__cta {
  display: none;
}

@media (min-width: 768px) {
  .nav__cta {
    display: inline-flex;
  }
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  color: var(--primary);
  border-radius: var(--radius);
}

@media (min-width: 960px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle svg {
  width: 28px;
  height: 28px;
}

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(28, 27, 27, 0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
}

.mobile-drawer.is-open {
  display: block;
}

.mobile-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 88vw);
  background: var(--surface);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: -20px 0 60px rgba(28, 27, 27, 0.18);
}

.mobile-drawer__close {
  align-self: flex-end;
  background: transparent;
  border: none;
  color: var(--on-surface);
  width: 44px;
  height: 44px;
}

.mobile-drawer__close svg {
  width: 28px;
  height: 28px;
}

.mobile-drawer__menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-drawer__link {
  display: block;
  padding: 0.9rem 0.5rem;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--on-surface);
  border-bottom: 1px solid var(--outline-variant);
}

.mobile-drawer__link.is-active {
  color: var(--primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-align: center;
  transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: var(--shadow-soft);
}

.btn--primary:hover {
  background: var(--primary-container);
  box-shadow: var(--shadow-medium);
}

.btn--secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--outline-variant);
}

.btn--secondary:hover {
  background: rgba(117, 87, 28, 0.05);
  border-color: var(--primary);
}

.btn--ghost {
  background: transparent;
  color: var(--primary);
  padding: 0.5rem 0;
}

.btn--ghost:hover {
  color: var(--primary-container);
}

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

.btn .arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* =====================================================
   CARD
   ===================================================== */

.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card--glass {
  background: rgba(252, 249, 248, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(209, 197, 180, 0.5);
}

.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(117, 87, 28, 0.25);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface-container);
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.card__icon svg {
  width: 22px;
  height: 22px;
}

.card__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--on-background);
}

.card__body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

.card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--outline-variant);
}

.card__cta {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--primary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  white-space: nowrap;
}

.card__cta .arrow {
  width: 14px;
  height: 14px;
  transition: transform .25s ease;
}

.card--hover:hover .card__cta .arrow {
  transform: translateX(3px);
}

/* =====================================================
   CHIP / TAG
   ===================================================== */

.chip {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--surface-container);
  color: var(--primary);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.chip--outline {
  background: transparent;
  border: 1px solid var(--outline-variant);
}

/* =====================================================
   FORM
   ===================================================== */

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field__label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.field__input,
.field__textarea,
.field__select {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--on-surface);
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field__input:focus,
.field__textarea:focus,
.field__select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(117, 87, 28, 0.12);
}

.field__textarea {
  min-height: 130px;
  resize: vertical;
}

.field__select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1.5L6 6.5L11 1.5' stroke='%2375571c' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* =====================================================
   FOOTER
   ===================================================== */

.site-footer {
  background: var(--surface-container);
  border-top: 1px solid var(--outline-variant);
  padding: 3rem var(--margin-mobile);
}

@media (min-width: 768px) {
  .site-footer {
    padding: 3rem var(--margin-desktop);
  }
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1fr 2fr 1fr;
    gap: 3rem;
  }
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  line-height: 1.2;
  display: flex;
  align-items: center;
}

.site-footer__brand a {
  color: inherit;
  text-decoration: none;
}

.site-footer__logo {
  height: 56px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}

.site-footer__copy {
  font-size: 13px;
  color: var(--on-surface-variant);
  line-height: 1.6;
  text-align: center;
}

@media (max-width: 767px) {
  .site-footer__copy {
    text-align: left;
  }
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 13px;
  color: var(--on-surface-variant);
}

@media (min-width: 768px) {
  .site-footer__links {
    align-items: flex-end;
  }
}

.site-footer__links a:hover {
  color: var(--primary);
}

/* =====================================================
   HERO / PAGE HEADER
   ===================================================== */

.page-hero {
  padding-top: 3rem;
  padding-bottom: 3rem;
  text-align: center;
}

@media (min-width: 768px) {
  .page-hero {
    padding-top: 5rem;
    padding-bottom: 4rem;
  }
}

.page-hero__intro {
  max-width: 640px;
  margin: 1.5rem auto 0;
}

/* =====================================================
   GRIDS
   ===================================================== */

.grid {
  display: grid;
  gap: var(--gutter);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 700px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* =====================================================
   IMAGE PLACEHOLDERS
   ===================================================== */

.img-placeholder {
  position: relative;
  background:
    repeating-linear-gradient(
      135deg,
      var(--surface-container) 0,
      var(--surface-container) 12px,
      var(--surface-container-high) 12px,
      var(--surface-container-high) 24px
    );
  color: var(--on-surface-variant);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-placeholder--photo {
  background:
    radial-gradient(ellipse at 60% 20%, rgba(233, 193, 123, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 70%, rgba(117, 87, 28, 0.12) 0%, transparent 50%),
    repeating-linear-gradient(135deg, #efe7d8 0, #efe7d8 14px, #e5dac5 14px, #e5dac5 28px);
}

.img-placeholder__label {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  background: rgba(252, 249, 248, 0.85);
  color: var(--on-surface);
  border-radius: var(--radius);
  border: 1px solid var(--outline-variant);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp 0.8s ease both;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-prose { max-width: 65ch; }
.max-w-readable { max-width: 720px; }
.stack-sm > * + * { margin-top: 0.5rem; }
.stack-md > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 1.5rem; }

.divider-gold {
  width: 64px;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--primary-fixed-dim), transparent);
  margin: 1rem auto;
}

/* =====================================================
   CLINICAL FORM
   ===================================================== */

.clinical-form {
  max-width: 880px;
  margin: 0 auto;
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}
@media (min-width: 700px) {
  .clinical-form { padding: 3rem; }
}

.clinical-form__header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--outline-variant);
}

.clinical-form__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  color: var(--on-background);
  margin: 0;
}

.clinical-form__note {
  margin-top: .5rem;
  font-size: 14px;
  color: var(--on-surface-variant);
}

.clinical-form__section {
  margin-bottom: 2rem;
}

.clinical-form__section:last-of-type {
  margin-bottom: 1rem;
}

.clinical-form__section-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin: 0 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(209, 197, 180, 0.4);
  display: flex;
  align-items: center;
  gap: .6rem;
}

.clinical-form__section-title svg {
  width: 18px; height: 18px;
}

.clinical-form__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem 1.25rem;
}

@media (min-width: 600px) {
  .clinical-form__grid { grid-template-columns: 1fr 1fr; }
  .clinical-form__grid--3 { grid-template-columns: 1fr 1fr 1fr; }
  .field--full { grid-column: 1 / -1; }
}

.clinical-form .field__label .req {
  color: var(--primary);
  margin-left: 2px;
}

.clinical-form__file {
  display: block;
  border: 1.5px dashed var(--outline-variant);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  cursor: pointer;
  background: var(--surface-container-low);
  transition: border-color .2s, background .2s;
}

.clinical-form__file:hover {
  border-color: var(--primary);
  background: var(--surface-container);
}

.clinical-form__file input { display: none; }

.clinical-form__file-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto .5rem;
  color: var(--primary);
}

.clinical-form__file-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-background);
}

.clinical-form__file-hint {
  margin-top: .35rem;
  font-size: 12px;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

.clinical-form__file-selected {
  margin-top: .75rem;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}

.clinical-form__submit {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  background: #25D366;
  color: #ffffff;
  border: none;
  padding: 1rem 1.75rem;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.25);
  transition: transform .2s, box-shadow .2s;
  margin-top: .5rem;
}

.clinical-form__submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.32);
}

.clinical-form__submit svg {
  width: 20px; height: 20px;
}

.clinical-form__disclaimer {
  margin-top: 1rem;
  font-size: 12px;
  color: var(--on-surface-variant);
}

/* =====================================================
   CERTIFICATE GALLERY
   ===================================================== */

.cert-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
}

.cert-filter {
  background: transparent;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-full);
  color: var(--on-surface-variant);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .55rem 1rem;
  cursor: pointer;
  transition: all .2s;
}

.cert-filter:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cert-filter.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

.cert-filter__count {
  display: inline-block;
  margin-left: .35rem;
  opacity: .7;
}

.cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 600px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
}

.cert-card {
  position: relative;
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: flex;
  flex-direction: column;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(117, 87, 28, 0.3);
}

.cert-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface-container);
}

.cert-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .5s ease;
}

.cert-card:hover .cert-card__media img {
  transform: scale(1.03);
}

.cert-card__category {
  position: absolute;
  top: .75rem; left: .75rem;
  background: rgba(252, 249, 248, 0.92);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .3rem .6rem;
  border-radius: var(--radius);
  border: 1px solid var(--outline-variant);
}

.cert-card__year {
  position: absolute;
  top: .75rem; right: .75rem;
  background: var(--primary);
  color: var(--on-primary);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  padding: .25rem .6rem;
  border-radius: var(--radius);
}

.cert-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  flex: 1;
}

.cert-card__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--on-background);
  margin: 0;
}

.cert-card__institution {
  font-size: 13px;
  color: var(--on-surface-variant);
  line-height: 1.4;
}

.cert-card__meta {
  margin-top: .5rem;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
}

/* Lightbox */
.cert-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(28, 27, 27, 0.92);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.cert-lightbox.is-open {
  display: flex;
}

.cert-lightbox__image {
  max-width: min(960px, 95vw);
  max-height: 88vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.cert-lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: rgba(252, 249, 248, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(252, 249, 248, 0.25);
  border-radius: 50%;
  color: var(--surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cert-lightbox__close:hover {
  background: rgba(252, 249, 248, 0.25);
}

.cert-lightbox__caption {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  color: rgba(252, 249, 248, 0.85);
  font-size: 13px;
  text-align: center;
  max-width: 80vw;
}

/* =====================================================
   AGENDAR CITA — Animated border shimmer
   ===================================================== */

/* Animatable custom property (Chrome/Edge/Safari/Firefox 101+) */
@property --cta-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.nav__cta {
  position: relative;
  isolation: isolate;
  overflow: visible;
  /* Pulsing ring — fallback that works everywhere */
  animation: ctaRingPulse 2.5s ease-in-out infinite;
}

/* ── Rotating light ring (modern browsers) ── */
.nav__cta::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius) + 2px);
  background: conic-gradient(
    from var(--cta-angle),
    transparent   0%,
    transparent  62%,
    rgba(233,193,123,0.55) 72%,
    rgba(255,248,220,0.95) 80%,
    rgba(233,193,123,0.55) 88%,
    transparent  100%
  );
  animation: ctaRingPulse 2.5s ease-in-out infinite,
             ctaBorderSpin 3s linear infinite;
  z-index: -1;
}

/* Solid fill to mask the center — only the 2 px ring shows */
.nav__cta::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: var(--primary);
  z-index: -1;
  transition: background-color 0.25s ease;
}

.nav__cta:hover::after {
  background: var(--primary-container);
}

@keyframes ctaBorderSpin {
  to { --cta-angle: 360deg; }
}

/* Pulsing outer glow — enhances the shimmer */
@keyframes ctaRingPulse {
  0%, 100% { filter: drop-shadow(0 0  4px rgba(233,193,123,0.0)); }
  50%       { filter: drop-shadow(0 0 10px rgba(233,193,123,0.45)); }
}

/* ── Fallback for browsers without conic-gradient ── */
@supports not (background: conic-gradient(red, blue)) {
  .nav__cta::before {
    inset: -1px;
    border-radius: calc(var(--radius) + 1px);
    background: linear-gradient(
      90deg,
      transparent 0%,
      rgba(233,193,123,0.7) 35%,
      rgba(255,248,220,0.95) 50%,
      rgba(233,193,123,0.7) 65%,
      transparent 100%
    );
    background-size: 250% 100%;
    animation: ctaShimmerFallback 2s linear infinite;
  }
  @keyframes ctaShimmerFallback {
    0%   { background-position: 200% center; }
    100% { background-position: -200% center; }
  }
}