@charset "UTF-8";
/* =========================================================
   Olam Review — Stylesheet
   Instituto Olam de Tecnologia Educacional
   Revista Científica · Identidade Gold-Crimson · Editorial
   ========================================================= */

/* ── 1. Variables & Reset ───────────────────────────────── */

:root {
  /* Brand palette */
  --crimson: #A0174B;
  --crimson-dark: #7C0F39;
  --crimson-deep: #5C0A2A;
  --crimson-light: rgba(160, 23, 75, 0.08);
  --crimson-tint: rgba(160, 23, 75, 0.04);

  --gold: #B8893A;
  --gold-deep: #9A6E25;
  --gold-light: rgba(184, 137, 58, 0.12);

  --graphite: #2A2622;
  --graphite-deep: #1B1815;
  --ink: #14110F;
  --slate: #4A4640;
  --offwhite: #FAF8F4;
  --cream: #F4F0E8;
  --border: #E5DFD3;
  --border-soft: #EFEAE0;
  --white: #ffffff;
  --text: #1F1B17;
  --text-muted: #6A645C;

  /* Typography — Editorial scientific journal */
  --font-display: 'Playfair Display', 'Times New Roman', Georgia, serif;
  --font-serif: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --font-body: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --font-ui: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Layout */
  --header-h: 76px;
  --container-w: 1440px;
  --reading-w: 820px;

  --radius: 2px;
  --radius-soft: 4px;
  --shadow-card: 0 1px 2px rgba(20,17,15,0.04), 0 4px 16px rgba(20,17,15,0.05);
  --shadow-card-hover: 0 8px 30px rgba(20,17,15,0.10), 0 2px 8px rgba(20,17,15,0.06);
  --shadow-dropdown: 0 12px 40px rgba(20,17,15,0.12), 0 2px 8px rgba(20,17,15,0.06);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.js-loading * { transition: none !important; }

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

::selection { background: var(--gold-light); color: var(--ink); }

body { opacity: 0; animation: fadeIn 0.4s ease 0.05s forwards; }
@keyframes fadeIn { to { opacity: 1; } }

/* ── 2. Layout Utilities ────────────────────────────────── */

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 40px;
}

.container--narrow {
  max-width: var(--reading-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section-spacing { padding: 96px 0; }

.section-title {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 56px;
  padding-bottom: 20px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 2px;
  background: var(--gold);
}

/* ── 3. Grid ────────────────────────────────────────────── */

.grid {
  display: grid;
  gap: 56px 40px;
}

.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ── 4. Header — Editorial with Dropdown Submenus ───────── */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 1px 0 var(--gold), 0 4px 24px rgba(20,17,15,0.06);
  border-bottom-color: transparent;
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 40px;
}

.site-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding-right: 32px;
  border-right: 1px solid var(--border);
  height: 44px;
}
.site-header__logo img { height: 52px; width: auto; }

.site-header__nav {
  flex: 1;
  min-width: 0;
}

.nav-groups {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-start;
}

/* ─ Group trigger button ─ */
.nav-group {
  position: relative;
}

.nav-group__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  padding: 10px 18px;
  border-radius: var(--radius);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-group__trigger > i:first-child {
  font-size: 13px;
  color: var(--gold-deep);
  transition: color var(--transition);
}

.nav-group__chevron {
  font-size: 9px;
  margin-left: 2px;
  transition: transform var(--transition);
  opacity: 0.6;
}

.nav-group__trigger::after {
  content: '';
  position: absolute;
  left: 18px; right: 18px;
  bottom: 4px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.nav-group:hover .nav-group__trigger,
.nav-group--open .nav-group__trigger,
.nav-group__trigger[aria-expanded="true"] {
  color: var(--crimson);
}

.nav-group:hover .nav-group__trigger > i:first-child,
.nav-group--open .nav-group__trigger > i:first-child {
  color: var(--crimson);
}

.nav-group:hover .nav-group__trigger::after,
.nav-group--open .nav-group__trigger::after {
  transform: scaleX(1);
}

.nav-group:hover .nav-group__chevron,
.nav-group--open .nav-group__chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* ─ Submenu dropdown ─ */
.nav-group__submenu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 320px;
  background: white;
  border: 1px solid var(--border);
  border-top: 2px solid var(--gold);
  box-shadow: var(--shadow-dropdown);
  border-radius: var(--radius);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 250;
}

.nav-group:hover .nav-group__submenu,
.nav-group--open .nav-group__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-group__submenu li { list-style: none; }

.nav-group__submenu a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--graphite);
  text-transform: none;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  border-left: 2px solid transparent;
}

.nav-group__submenu a > i {
  font-size: 14px;
  color: var(--gold-deep);
  width: 18px;
  text-align: center;
  transition: color var(--transition);
}

.nav-group__submenu a:hover,
.nav-group__submenu a[aria-current="page"] {
  background: var(--offwhite);
  color: var(--crimson);
  border-left-color: var(--crimson);
}

.nav-group__submenu a:hover > i,
.nav-group__submenu a[aria-current="page"] > i {
  color: var(--crimson);
}

/* ─ Right cluster: institutional + search ─ */
.site-header__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-header__institutional {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  padding: 9px 16px;
  border: 1.5px solid var(--crimson);
  border-radius: var(--radius);
  border-bottom: 2px solid var(--gold);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.site-header__institutional > i {
  font-size: 10px;
  opacity: 0.85;
}

.site-header__institutional:hover {
  background: var(--crimson);
  color: white;
  border-color: var(--crimson);
}

.site-header__search-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--graphite);
  transition: color var(--transition), background var(--transition);
}

.site-header__search-btn > i { font-size: 16px; }

.site-header__search-btn:hover {
  color: var(--crimson);
  background: var(--crimson-light);
}

/* ─ Theme toggle button (dark/light reading mode) ─ */
.site-header__theme-btn {
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--graphite);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.site-header__theme-btn > i {
  font-size: 15px;
  transition: opacity 0.25s ease, transform 0.35s ease;
}

.site-header__theme-btn .theme-icon--sun {
  position: absolute;
  opacity: 0;
  transform: rotate(-45deg) scale(0.6);
}

[data-theme="dark"] .site-header__theme-btn .theme-icon--moon {
  opacity: 0;
  transform: rotate(45deg) scale(0.6);
}

[data-theme="dark"] .site-header__theme-btn .theme-icon--sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.site-header__theme-btn:hover {
  color: var(--gold);
  background: var(--gold-light);
}

.site-header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px;
  margin-left: auto;
}

.site-header__hamburger span {
  display: block;
  height: 2px;
  background: var(--graphite);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.site-header__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.site-header__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1180px) {
  .site-header__inner { gap: 24px; padding: 0 28px; }
  .nav-group__trigger { font-size: 12px; padding: 10px 14px; }
  .site-header__institutional { font-size: 10.5px; padding: 8px 12px; }
}

/* ── 5. Hero — Black & White with Crimson-Graphite Vignette ─ */

.hero {
  position: relative;
  height: 80vh;
  min-height: 580px;
  max-height: 840px;
  overflow: hidden;
  margin-top: var(--header-h);
  background: var(--graphite-deep);
}

.hero__bg {
  position: absolute;
  inset: -10% 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: transform 0.1s linear;
  /* Sober, scientific tone — desaturated with subtle warmth */
  filter: grayscale(1) contrast(1.08) brightness(0.85);
  opacity: 0.5;
}

/* Primary overlay — sober graphite gradient for legibility */
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(20,17,15,0.55) 0%,
      rgba(20,17,15,0.30) 35%,
      rgba(20,17,15,0.65) 70%,
      rgba(20,17,15,0.95) 100%
    );
}

/* Vignette — graphite + crimson elegance, concentrated on text area */
.hero__vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 70% at 25% 75%,
      rgba(92, 10, 42, 0.55) 0%,
      rgba(42, 38, 34, 0.30) 40%,
      rgba(20,17,15, 0.0) 80%
    ),
    radial-gradient(
      ellipse 100% 100% at 50% 50%,
      rgba(0,0,0,0) 50%,
      rgba(0,0,0,0.35) 100%
    );
  pointer-events: none;
}

/* Gold thread at the bottom of hero */
.hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--crimson) 0%, var(--gold) 50%, var(--crimson) 100%);
  z-index: 4;
}

.hero__content {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  z-index: 3;
  padding: 0 0 80px;
}

.hero__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 40px;
  max-width: 920px;
  margin: 0 auto 0 max(40px, calc((100vw - var(--container-w)) / 2 + 40px));
}

.hero__pill {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: white;
  background: var(--crimson);
  padding: 8px 16px;
  border-radius: var(--radius);
  margin-bottom: 28px;
  transition: background var(--transition);
  border-bottom: 2px solid var(--gold);
}

.hero__pill:hover { background: var(--crimson-dark); }

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.6vw, 68px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: white;
  margin-bottom: 28px;
  max-width: 880px;
  text-shadow: 0 2px 28px rgba(0,0,0,0.45);
}

.hero__title a {
  color: white;
  transition: opacity var(--transition);
}

.hero__title a:hover { opacity: 0.9; }

.hero__lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.55;
  color: rgba(255,255,255,0.94);
  max-width: 720px;
  margin-bottom: 28px;
  text-shadow: 0 1px 14px rgba(0,0,0,0.45);
  font-weight: 400;
}

.hero__meta {
  display: flex;
  gap: 20px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__meta i { color: var(--gold); font-size: 12px; }

.hero__meta span + span::before {
  content: '\00B7';
  margin-right: 16px;
  color: var(--gold);
  font-size: 18px;
  line-height: 1;
}

/* ── 6. Cards — Flat Editorial (Aeon-style) ─────────────── */

.card {
  background: transparent;
  border-radius: 0;
  overflow: visible;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition);
}

.card:hover { transform: translateY(-3px); }

.card__image-wrap {
  position: relative;
  display: block;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--cream);
  margin-bottom: 24px;
  border-radius: var(--radius);
}

.card__image-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, filter var(--transition);
}

.card:hover .card__image-wrap img { transform: scale(1.04); }

/* Pill — kept for legacy uses (article header link) */
.pill {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: white;
  background: var(--crimson);
  padding: 6px 12px;
  border-radius: var(--radius);
  line-height: 1.4;
  border-bottom: 1.5px solid var(--gold);
}

.pill--link {
  display: inline-block;
  margin-bottom: 28px;
  transition: background var(--transition);
}

.pill--link:hover { background: var(--crimson-dark); }

/* Play button overlay on video cards */
.card__play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: background var(--transition), transform var(--transition);
  pointer-events: none;
  box-shadow: 0 4px 18px rgba(0,0,0,0.25);
}

.card__play-btn i {
  color: var(--crimson);
  font-size: 18px;
  margin-left: 3px;
}

.card:hover .card__play-btn {
  background: white;
  transform: translate(-50%, -50%) scale(1.08);
}

.card__body {
  padding: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__category-label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card__cat-icon {
  font-size: 9px;
  color: var(--crimson);
}

.card__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin-bottom: 14px;
}

.card__title a {
  color: inherit;
  background-image: linear-gradient(var(--gold), var(--gold));
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--transition), color var(--transition);
}

.card__title a:hover {
  color: var(--crimson);
  background-size: 100% 1px;
}

.card__lead {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.55;
  color: var(--slate);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  margin-bottom: 18px;
}

.card__meta {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}

.card__meta span + span::before {
  content: '\00B7';
  margin-right: 12px;
  color: var(--gold);
  font-weight: 700;
}

/* Small card variant */
.card--small .card__title { font-size: 20px; }
.card--small .card__image-wrap { margin-bottom: 18px; }
.card--small .card__lead { font-size: 15px; -webkit-line-clamp: 2; }
.card--small .card__category-label { font-size: 10px; margin-bottom: 8px; }

/* ── 7. Category Navigation ─────────────────────────────── */

.category-nav {
  background: var(--offwhite);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
  position: relative;
}

.category-nav::before,
.category-nav::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 1px;
  background: var(--gold);
}
.category-nav::before { top: -1px; }
.category-nav::after { bottom: -1px; }

.category-nav__label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  text-align: center;
  margin-bottom: 22px;
}

.category-nav__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.category-nav__pill {
  position: relative;
  overflow: hidden;
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--crimson);
  border: 1px solid var(--crimson);
  padding: 9px 22px;
  border-radius: 24px;
  transition: color var(--transition);
  z-index: 0;
}

.category-nav__pill::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--crimson);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  z-index: -1;
}

.category-nav__pill:hover::before,
.category-nav__pill--active::before { transform: scaleX(1); }

.category-nav__pill:hover,
.category-nav__pill--active { color: white; }

/* ── 8. Category Header Page ─────────────────────────────── */

.category-header {
  padding: 120px 0 60px;
  margin-top: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: var(--offwhite);
  position: relative;
}

.category-header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
}

.category-header__label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 16px;
}

.category-header__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.6vw, 60px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.05;
}

.category-header__count {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* ── 9. Article Page ─────────────────────────────────────── */

.article-main { margin-top: var(--header-h); }

.article-header {
  padding: 88px 24px 52px;
  text-align: left;
  max-width: var(--reading-w);
  margin: 0 auto;
}

.article__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 0 0 30px;
}

.article__lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.55;
  color: var(--slate);
  margin-bottom: 40px;
  font-weight: 400;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.article__meta span,
.article__meta time {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.article__meta i { color: var(--gold-deep); font-size: 11px; }

.article__meta > * + *::before {
  content: '\00B7';
  margin: 0 12px;
  color: var(--gold);
  font-weight: 700;
}

/* Cover image */
.article__cover {
  margin: 0 auto 64px;
  max-width: var(--container-w);
  padding: 0 40px;
}

.article__cover img {
  width: 100%;
  max-height: 580px;
  object-fit: cover;
  border-radius: var(--radius);
}

.article__cover figcaption {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--text-muted);
  padding: 16px 0 0;
  text-align: center;
  font-style: italic;
  letter-spacing: 0.02em;
}

/* Video embed */
.article__video-embed {
  margin: 0 auto 56px;
  max-width: var(--reading-w);
  padding: 0 24px;
}

.article__video-trigger {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/9;
  width: 100%;
  background: none;
}

.article__video-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.article__video-trigger:hover img { transform: scale(1.02); }

.article__video-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}

.article__video-play i {
  color: var(--crimson);
  font-size: 24px;
  margin-left: 4px;
}

.article__video-trigger:hover .article__video-play {
  background: white;
  transform: translate(-50%, -50%) scale(1.08);
}

/* Article body — 22px Source Serif 4, 820px column */
.article-body {
  max-width: var(--reading-w);
  margin: 0 auto;
  padding: 0 24px 72px;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.65;
  color: var(--graphite);
  font-weight: 400;
}

.article-body p { margin-bottom: 1.4em; }

/* Drop cap on first paragraph */
.article-body > p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 5.6em;
  font-weight: 800;
  line-height: 0.88;
  float: left;
  margin: 0.06em 0.12em 0 -0.04em;
  color: var(--crimson);
  padding-top: 6px;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  font-style: italic;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 72px 0 26px;
  position: relative;
  padding-top: 30px;
}

.article-body h2::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 56px;
  height: 2px;
  background: var(--gold);
}

.article-body h3 {
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  margin: 48px 0 18px;
}

.article-body h4 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  font-style: italic;
  margin: 36px 0 14px;
  color: var(--ink);
}

.article-body blockquote {
  border-left: 3px solid var(--gold);
  padding: 10px 0 10px 36px;
  margin: 48px 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--slate);
  letter-spacing: -0.008em;
}

.article-body blockquote p { margin-bottom: 0; }

.article-body a {
  color: var(--crimson);
  text-decoration: none;
  background-image: linear-gradient(var(--crimson), var(--crimson));
  background-size: 100% 1px;
  background-position: 0 92%;
  background-repeat: no-repeat;
  transition: color var(--transition), background-image var(--transition);
}

.article-body a:hover {
  color: var(--gold-deep);
  background-image: linear-gradient(var(--gold), var(--gold));
}

.article-body ul, .article-body ol {
  padding-left: 1.5em;
  margin-bottom: 1.4em;
}

.article-body ul { list-style: none; }
.article-body ul li {
  position: relative;
  padding-left: 0.4em;
  margin-bottom: 0.6em;
}
.article-body ul li::before {
  content: '\2014';
  position: absolute;
  left: -1.2em;
  color: var(--gold);
  font-weight: 700;
}

.article-body ol { list-style: decimal; }
.article-body ol li::marker { color: var(--gold-deep); font-weight: 700; }
.article-body ol li { margin-bottom: 0.6em; padding-left: 0.4em; }

.article-body strong { font-weight: 700; color: var(--ink); }
.article-body em { font-style: italic; }

.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 60px auto;
  width: 88px;
  position: relative;
}
.article-body hr::after {
  content: '\2766';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  padding: 0 14px;
  color: var(--gold);
  font-size: 16px;
}

.article-body img {
  width: 100%;
  border-radius: var(--radius);
  margin: 36px 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
  margin: 36px 0;
  font-family: var(--font-ui);
}

.article-body th {
  background: var(--offwhite);
  font-weight: 700;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid var(--gold);
  letter-spacing: 0.02em;
}

.article-body td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
}

.article-body code {
  font-family: 'SF Mono', 'Courier New', monospace;
  font-size: 0.85em;
  background: var(--offwhite);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--crimson);
}

.article-body pre {
  background: var(--ink);
  color: #e8e8e8;
  border-radius: var(--radius);
  padding: 28px;
  overflow-x: auto;
  margin: 36px 0;
  font-size: 14px;
  line-height: 1.65;
  border-left: 3px solid var(--gold);
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* About block */
.article-about {
  max-width: var(--reading-w);
  margin: 64px auto;
  padding: 36px 40px;
  background: var(--offwhite);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  position: relative;
}

.article-about__title {
  display: block;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gold-deep);
  margin-bottom: 14px;
}

.article-about p {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--slate);
}

/* ── 10. Contextual CTA ──────────────────────────────────── */

.cta-contextual {
  background: var(--ink);
  color: white;
  border-radius: var(--radius);
  padding: 40px 44px;
  margin: 64px auto;
  max-width: var(--reading-w);
  position: relative;
  border-left: 3px solid var(--gold);
}

.cta-contextual__text {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.65;
  color: rgba(255,255,255,0.94);
  margin-bottom: 26px;
  font-style: italic;
  font-weight: 400;
}

.cta-contextual__btn,
.cta-contextual__btn:link,
.cta-contextual__btn:visited {
  display: inline-block;
  background: var(--crimson) !important;
  color: white !important;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 30px;
  border-radius: var(--radius);
  border-bottom: 2px solid var(--gold);
  text-decoration: none !important;
  background-image: none !important;
  transition: background var(--transition), transform var(--transition);
}

.cta-contextual__btn:hover {
  background: var(--crimson-dark) !important;
  color: white !important;
  transform: translateX(3px);
}

/* ── 11. Final CTA ───────────────────────────────────────── */

.cta-final {
  background: var(--crimson);
  padding: 96px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before,
.cta-final::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cta-final::before { top: 0; }
.cta-final::after { bottom: 0; }

.cta-final__inner {
  max-width: 760px;
  margin: 0 auto;
}

.cta-final__eyebrow {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 18px;
}

.cta-final__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 700;
  font-style: italic;
  color: white;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin-bottom: 22px;
}

.cta-final__subtitle {
  font-family: var(--font-serif);
  font-size: 19px;
  font-style: italic;
  color: rgba(255,255,255,0.9);
  margin-bottom: 44px;
  line-height: 1.6;
}

.cta-final__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-final__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 34px;
  border-radius: var(--radius);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.cta-final__btn i { font-size: 14px; }

.cta-final__btn:hover { transform: translateY(-2px); }

.cta-final__btn--whatsapp {
  background: white;
  color: var(--crimson);
  border-bottom: 2px solid var(--gold);
}
.cta-final__btn--whatsapp i { color: #25D366; }
.cta-final__btn--whatsapp:hover { background: var(--cream); }

.cta-final__btn--outline {
  border: 1.5px solid rgba(255,255,255,0.7);
  color: white;
  background: transparent;
}

.cta-final__btn--outline:hover {
  border-color: var(--gold);
  background: rgba(184, 137, 58, 0.18);
  color: white;
}

.article-footer-cta .cta-final {
  margin-top: 40px;
}

/* ── 12. Footer ──────────────────────────────────────────── */

.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.78);
  padding: 88px 0 0;
  margin-top: 0;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--crimson) 0%, var(--gold) 50%, var(--crimson) 100%);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 56px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 40px 64px;
}

.site-footer__logo { height: 50px; width: auto; margin-bottom: 22px; }

.site-footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  line-height: 1.5;
  color: rgba(255,255,255,0.78);
  margin-bottom: 30px;
  font-weight: 500;
}

.site-footer__social {
  display: flex;
  gap: 14px;
}

.site-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.18);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.site-footer__social a i { font-size: 16px; }

.site-footer__social a:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(184, 137, 58, 0.1);
}

.site-footer__col-title {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(184, 137, 58, 0.25);
}

.site-footer__links, .site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer__links a {
  font-family: var(--font-ui);
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  transition: color var(--transition);
}

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

.site-footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.site-footer__contact i {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--gold);
  font-size: 13px;
  width: 14px;
  text-align: center;
}

.site-footer__contact a { color: rgba(255,255,255,0.72); transition: color var(--transition); }
.site-footer__contact a:hover { color: var(--gold); }

.btn-whatsapp-footer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: white !important;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 11px 18px;
  border-radius: var(--radius);
  transition: background var(--transition);
  border-bottom: 2px solid var(--gold);
}

.btn-whatsapp-footer:hover { background: #1fa855 !important; }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 28px 40px;
  text-align: center;
}

.site-footer__bottom p {
  font-family: var(--font-ui);
  font-size: 12px;
  color: rgba(255,255,255,0.42);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

/* ── 13. Video Modal ────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,17,15,0.92);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal__content {
  position: relative;
  width: 90%;
  max-width: 960px;
}

.modal__close {
  position: absolute;
  top: -52px; right: 0;
  font-size: 24px;
  line-height: 1;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  padding: 8px;
}

.modal__close:hover { color: var(--gold); }

.modal__iframe-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: black;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal__iframe-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ── 14. Search Modal ───────────────────────────────────── */

.search-modal {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  background: white;
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform var(--transition);
  box-shadow: 0 8px 32px rgba(20,17,15,0.12);
}

.search-modal.active { transform: translateY(0); }

.search-modal__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 24px 40px 28px;
}

.search-modal__close {
  position: absolute;
  top: 18px; right: 40px;
  font-size: 22px;
  color: var(--text-muted);
  line-height: 1;
  transition: color var(--transition);
  padding: 6px;
}

.search-modal__close:hover { color: var(--crimson); }

.search-modal__field {
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 10px;
  margin-top: 4px;
}

.search-modal__field i { flex-shrink: 0; color: var(--gold-deep); font-size: 18px; }

.search-modal__field input {
  flex: 1;
  font-family: var(--font-display);
  font-size: 28px;
  font-style: italic;
  font-weight: 500;
  border: none;
  outline: none;
  color: var(--ink);
  background: transparent;
}

.search-modal__field input::placeholder { color: var(--border); }

.search-modal__results {
  margin-top: 20px;
  max-height: 60vh;
  overflow-y: auto;
}

.search-result {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-soft);
  transition: background var(--transition);
}

.search-result:hover { background: var(--offwhite); }

.search-result__img {
  flex-shrink: 0;
  width: 72px; height: 54px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--border);
}

.search-result__body { flex: 1; }

.search-result__cat {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 6px;
}

.search-result__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

.search-result__title em { background: var(--gold-light); font-style: normal; padding: 0 2px; }

.search-no-results {
  font-family: var(--font-serif);
  font-size: 16px;
  font-style: italic;
  color: var(--text-muted);
  padding: 28px 0;
  text-align: center;
}

/* ── 15. Error Page ─────────────────────────────────────── */

.error-page {
  margin-top: var(--header-h);
  padding: 140px 0;
  text-align: center;
}

.error-page__code {
  font-family: var(--font-display);
  font-size: 150px;
  font-weight: 800;
  font-style: italic;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 0;
}

.error-page__title {
  font-family: var(--font-display);
  font-size: 42px;
  font-style: italic;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 18px;
}

.error-page__text {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 44px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--crimson);
  color: white;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 16px 36px;
  border-radius: var(--radius);
  border-bottom: 2px solid var(--gold);
  transition: background var(--transition);
}

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

/* ── 16. Misc ───────────────────────────────────────────── */

.empty-state {
  grid-column: 1 / -1;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--text-muted);
  padding: 60px 0;
  text-align: center;
}

.related-articles { background: var(--offwhite); border-top: 1px solid var(--border); }
.related-articles .section-title { color: var(--ink); }
.video-section { background: var(--offwhite); border-top: 1px solid var(--border); }

:target { scroll-margin-top: calc(var(--header-h) + 24px); }

/* ── 17. Responsive ─────────────────────────────────────── */

@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .hero__inner { margin-left: 40px; }
}

@media (max-width: 980px) {
  .site-header__nav { display: none; }
  .site-header__hamburger { display: flex; margin-left: auto; }
  .site-header__institutional { display: none; }

  .site-header__nav.open {
    display: flex;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    border-top: 2px solid var(--gold);
    box-shadow: 0 8px 32px rgba(20,17,15,0.12);
    padding: 24px 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .site-header__nav.open .nav-groups {
    flex-direction: column;
    gap: 0;
    padding: 0 20px;
    align-items: stretch;
    width: 100%;
  }

  .site-header__nav.open .nav-group { width: 100%; }

  .site-header__nav.open .nav-group__trigger {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    padding: 14px 18px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-soft);
    border-radius: 0;
  }

  .site-header__nav.open .nav-group__trigger::after { display: none; }

  .site-header__nav.open .nav-group__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--gold);
    border-radius: 0;
    margin: 0 18px 12px 36px;
    padding: 8px 0;
    display: none;
  }

  .site-header__nav.open .nav-group--open .nav-group__submenu {
    display: block;
  }

  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .hero { height: 68vh; }
  .hero__title { font-size: 38px; }
  .hero__lead { font-size: 18px; }
  .hero__inner { margin-left: 28px; padding: 0 20px 0 0; }
  .section-spacing { padding: 64px 0; }
  .article__cover { padding: 0 24px; }
}

@media (max-width: 980px) {
  .breadcrumb { padding: 20px 28px 0; }
  .breadcrumb__item--current { max-width: 240px; }
}

@media (max-width: 600px) {
  .breadcrumb {
    padding: 16px 20px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .breadcrumb__list { font-size: 11.5px; gap: 8px; }
  .breadcrumb__item--current { max-width: 100%; white-space: normal; }
  .breadcrumb__back { font-size: 10.5px; padding: 7px 12px; }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
  .back-to-top > i { font-size: 14px; }
}

@media (max-width: 600px) {
  .container, .container--narrow { padding: 0 20px; }
  .grid { gap: 40px 24px; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }

  .hero { height: 64vh; min-height: 440px; }
  .hero__content { padding: 0 0 48px; }
  .hero__inner { margin-left: 20px; padding-right: 20px; }
  .hero__title { font-size: 30px; }
  .hero__lead { display: none; }

  .site-footer__grid { grid-template-columns: 1fr; gap: 36px; padding: 0 20px 48px; }
  .site-footer__bottom { padding: 24px 20px; }

  .article__cover { padding: 0; max-height: 280px; }
  .article__cover img { max-height: 280px; border-radius: 0; }
  .article-body { font-size: 19px; line-height: 1.6; padding: 0 20px 48px; }
  .article-header { padding: 60px 20px 36px; }
  .article__title { font-size: 32px; }
  .article__lead { font-size: 20px; }
  .article-body blockquote { font-size: 22px; padding-left: 24px; }
  .article-body h2 { font-size: 28px; }
  .article-body > p:first-of-type::first-letter { font-size: 4.6em; }

  .cta-final { padding: 64px 20px; }
  .cta-final__buttons { flex-direction: column; align-items: stretch; }
  .cta-final__btn { justify-content: center; }

  .category-nav { padding: 24px 0; }
  .category-nav__pills { gap: 8px; padding: 0 20px; justify-content: flex-start; }

  .search-modal__inner { padding: 18px 20px; }
  .search-modal__field input { font-size: 20px; }

  .article-about { margin: 36px 20px; padding: 26px 24px; }
  .cta-contextual { padding: 28px 24px; margin: 40px 0; }
  .cta-contextual__text { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .hero__bg { transition: none !important; }
}

/* ── 17.5 Back-to-top floating button ─────────────────────── */

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 180;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--crimson);
  color: #ffffff;
  border-bottom: 2px solid var(--gold);
  box-shadow: 0 4px 18px rgba(20,17,15,0.18), 0 1px 4px rgba(20,17,15,0.10);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.95);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s, background var(--transition);
}

.back-to-top > i { font-size: 16px; }

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  background: var(--crimson-dark);
  transform: translateY(-2px) scale(1.04);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ── 17.55 Theme invite (dark mode suggestion) ──────────────
   Editorial toast that appears once per visitor inviting them
   to try dark mode. Anchored bottom-left so it never overlaps
   the back-to-top button (bottom-right).
   ─────────────────────────────────────────────────────────── */

.theme-invite {
  position: fixed;
  left: 28px;
  bottom: 28px;
  z-index: 190;
  width: 380px;
  max-width: calc(100vw - 56px);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px 22px 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--crimson);
  border-bottom: 2px solid var(--gold);
  border-radius: var(--radius-soft);
  box-shadow: 0 18px 48px rgba(20,17,15,0.18), 0 4px 12px rgba(20,17,15,0.08);
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
  visibility: hidden;
}

.theme-invite[hidden] { display: flex; } /* override [hidden] until JS shows it */

.theme-invite.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.theme-invite.is-leaving {
  opacity: 0;
  transform: translateY(16px) scale(0.98);
}

.theme-invite__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--crimson-light);
  color: var(--crimson);
  font-size: 16px;
  margin-top: 2px;
}

.theme-invite__body { flex: 1; min-width: 0; }

.theme-invite__eyebrow {
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 8px;
}

.theme-invite__text {
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 16px;
}

.theme-invite__text strong {
  color: var(--ink);
  font-weight: 700;
}

.theme-invite__signoff {
  display: block;
  margin-top: 6px;
  font-style: italic;
  color: var(--text-muted);
  font-size: 14.5px;
}

.theme-invite__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.theme-invite__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 9px 14px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.theme-invite__btn > i { font-size: 11px; }

.theme-invite__btn--primary {
  background: var(--crimson);
  color: #ffffff;
  border: 1.5px solid var(--crimson);
  border-bottom: 2px solid var(--gold);
}

.theme-invite__btn--primary:hover {
  background: var(--crimson-dark);
  border-color: var(--crimson-dark);
}

.theme-invite__btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid transparent;
  padding: 9px 12px;
}

.theme-invite__btn--ghost:hover {
  color: var(--ink);
  border-color: var(--border);
}

.theme-invite__close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  transition: background var(--transition), color var(--transition);
}

.theme-invite__close:hover {
  background: var(--offwhite);
  color: var(--ink);
}

/* Mobile — toast vira full-width na base */
@media (max-width: 600px) {
  .theme-invite {
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
    max-width: none;
    padding: 18px 18px 18px 16px;
    gap: 12px;
  }
  .theme-invite__icon { width: 36px; height: 36px; font-size: 14px; }
  .theme-invite__text { font-size: 14.5px; }
  .theme-invite__btn { font-size: 11px; padding: 8px 12px; }
}

/* ── 17.6 Article breadcrumb ──────────────────────────────── */

.breadcrumb {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 24px 40px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.breadcrumb__item { display: inline-flex; align-items: center; }

.breadcrumb__item a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  transition: color var(--transition);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.breadcrumb__item a:hover {
  color: var(--crimson);
  border-bottom-color: var(--gold);
}

.breadcrumb__item a > i { font-size: 11px; opacity: 0.85; }

.breadcrumb__sep {
  color: var(--gold);
  font-size: 10px;
  opacity: 0.7;
  display: inline-flex;
}

.breadcrumb__item--current {
  color: var(--ink);
  font-weight: 600;
  max-width: 360px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumb__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--crimson);
  padding: 8px 14px;
  border: 1.5px solid var(--crimson);
  border-radius: var(--radius);
  border-bottom: 2px solid var(--gold);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.breadcrumb__back > i { font-size: 11px; }

.breadcrumb__back:hover {
  background: var(--crimson);
  color: #ffffff;
}

/* ── 18. Extra responsive polish (tablet / small phones) ─── */

@media (max-width: 1280px) {
  .container { padding: 0 32px; }
}

@media (max-width: 460px) {
  :root { --header-h: 64px; }
  .site-header__inner { gap: 12px; padding: 0 16px; }
  .site-header__logo { padding-right: 14px; height: 38px; }
  .site-header__logo img { height: 40px; }
  .site-header__right { gap: 4px; }
  .site-header__theme-btn,
  .site-header__search-btn { width: 36px; height: 36px; }

  .hero { height: 60vh; min-height: 380px; }
  .hero__title { font-size: 26px; line-height: 1.15; }
  .hero__pill { font-size: 10px; padding: 6px 12px; }

  .section-title { font-size: 28px; margin-bottom: 36px; }
  .article-body { font-size: 18px; padding: 0 18px 40px; }
  .article__title { font-size: 26px; }
  .article__lead { font-size: 18px; }
  .article-body blockquote { font-size: 19px; }
  .article-body h2 { font-size: 24px; }
  .article-body > p:first-of-type::first-letter { font-size: 4em; }

  .cta-final__title { font-size: 26px; }
}

/* =========================================================
   ── 19. Dark Reading Mode ───────────────────────────────────
   Activated via [data-theme="dark"] on <html> (set by
   anti-flash inline script + JS toggle). Inverts neutrals,
   keeps gold-crimson identity (slightly brightened for AA
   contrast against dark background).
   ========================================================= */

[data-theme="dark"] {
  /* Neutral inversion */
  --white: #15110E;          /* page background */
  --offwhite: #1B1714;       /* hover surfaces */
  --cream: #1F1A16;          /* secondary surface */
  --border: #2E2823;         /* visible dividers */
  --border-soft: #241F1B;
  --ink: #F4ECDD;            /* high-emphasis ink */
  --text: #E8DFCD;           /* body text */
  --text-muted: #A8A095;
  --graphite: #D9D2C5;       /* nav icons / hamburger */
  --graphite-deep: #100D0B;
  --slate: #BCB3A4;

  /* Brand colors — slightly brighter for dark bg AA contrast */
  --crimson: #D94878;
  --crimson-dark: #B83264;
  --crimson-deep: #8E1F49;
  --crimson-light: rgba(217, 72, 120, 0.14);
  --crimson-tint: rgba(217, 72, 120, 0.06);

  --gold: #D9A94E;
  --gold-deep: #B8893A;
  --gold-light: rgba(217, 169, 78, 0.16);

  /* Shadows softer (less effective on dark) */
  --shadow-card: 0 1px 2px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.35);
  --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.55), 0 2px 8px rgba(0,0,0,0.4);
  --shadow-dropdown: 0 12px 40px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.4);

  color-scheme: dark;
}

[data-theme="dark"] body { background: var(--white); color: var(--text); }

/* Header — translucent dark glass */
[data-theme="dark"] .site-header {
  background: rgba(21,17,14,0.88);
  border-bottom-color: var(--border-soft);
}
[data-theme="dark"] .site-header.scrolled {
  box-shadow: 0 1px 0 var(--gold), 0 4px 24px rgba(0,0,0,0.5);
}
[data-theme="dark"] .site-header__nav.open {
  background: #1B1714;
  border-bottom-color: var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}

/* Nav dropdowns */
[data-theme="dark"] .nav-group__submenu {
  background: #1B1714;
  border-color: var(--border);
}

/* Selection */
[data-theme="dark"] ::selection { background: var(--gold-light); color: var(--ink); }

/* Hero — keep the cinematic B&W treatment but darker vignette */
[data-theme="dark"] .hero__overlay {
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.78) 70%, var(--white) 100%);
}

/* Cards */
[data-theme="dark"] .card { background: transparent; }
[data-theme="dark"] .card__title a { color: var(--ink); }
[data-theme="dark"] .card__lead { color: var(--text-muted); }

/* Article surfaces */
[data-theme="dark"] .article-header { background: var(--white); }
[data-theme="dark"] .article__title,
[data-theme="dark"] .article-body h2,
[data-theme="dark"] .article-body h3 { color: var(--ink); }
[data-theme="dark"] .article-body { color: var(--text); }
[data-theme="dark"] .article-body a { color: var(--crimson); }
[data-theme="dark"] .article-body blockquote {
  border-left-color: var(--gold);
  color: var(--ink);
}
[data-theme="dark"] .article-body code {
  background: var(--offwhite);
  color: var(--gold);
}
[data-theme="dark"] .article-body pre {
  background: #0F0C0A;
  border-color: var(--border);
}
[data-theme="dark"] .article-body > p:first-of-type::first-letter {
  color: var(--crimson);
}

/* About / aside boxes */
[data-theme="dark"] .article-about {
  background: var(--offwhite);
  border-color: var(--border);
}

/* Contextual CTA inside article */
[data-theme="dark"] .cta-contextual {
  background: linear-gradient(135deg, #1B1714 0%, #221C17 100%);
  border-color: var(--border);
}
[data-theme="dark"] .cta-contextual__btn {
  background: var(--crimson) !important;
  color: #14110F !important;
}
[data-theme="dark"] .cta-contextual__btn:hover {
  background: var(--gold) !important;
  color: #14110F !important;
}

/* Final CTA section */
[data-theme="dark"] .cta-final {
  background: linear-gradient(135deg, #14110F 0%, #1F1A16 100%);
}
[data-theme="dark"] .cta-final__btn--outline {
  border-color: var(--ink);
  color: var(--ink);
}
[data-theme="dark"] .cta-final__btn--outline:hover {
  background: var(--ink);
  color: var(--white);
}

/* Category nav */
[data-theme="dark"] .category-nav { background: var(--offwhite); border-color: var(--border); }
[data-theme="dark"] .category-nav__pill {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
[data-theme="dark"] .category-nav__pill:hover,
[data-theme="dark"] .category-nav__pill--active {
  background: var(--crimson);
  color: #14110F;
  border-color: var(--crimson);
}

/* Category header (page) */
[data-theme="dark"] .category-header { background: var(--offwhite); }
[data-theme="dark"] .category-header__title { color: var(--ink); }

/* Footer — already dark in light mode; reinforce */
[data-theme="dark"] .site-footer { background: #0E0B09; }

/* Modals */
[data-theme="dark"] .modal-overlay,
[data-theme="dark"] .search-modal { background: rgba(0,0,0,0.78); }
[data-theme="dark"] .search-modal__inner { background: #1B1714; border-color: var(--border); }
[data-theme="dark"] .search-modal__field input {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
[data-theme="dark"] .search-modal__field input::placeholder { color: var(--text-muted); }
[data-theme="dark"] .search-result { border-color: var(--border-soft); }
[data-theme="dark"] .search-result:hover { background: var(--offwhite); }
[data-theme="dark"] .search-result__title { color: var(--ink); }

/* Pills / labels */
[data-theme="dark"] .pill {
  background: var(--crimson-light);
  color: var(--crimson);
}
[data-theme="dark"] .hero__pill {
  background: rgba(0,0,0,0.4);
  border-color: var(--gold);
  color: #F4ECDD;
}

/* Section titles get a touch more presence on dark */
[data-theme="dark"] .section-title { color: var(--ink); border-bottom-color: var(--border); }

/* Institutional button */
[data-theme="dark"] .site-header__institutional {
  color: var(--crimson);
  border-color: var(--crimson);
}
[data-theme="dark"] .site-header__institutional:hover {
  background: var(--crimson);
  color: #14110F;
}

/* Hamburger lines */
[data-theme="dark"] .site-header__hamburger span { background: var(--graphite); }

/* Error page */
[data-theme="dark"] .error-page__code { color: var(--crimson); }
[data-theme="dark"] .error-page__title { color: var(--ink); }

/* Images on dark — gentle desaturation to match the editorial mood */
[data-theme="dark"] .card__image-wrap img,
[data-theme="dark"] .article__cover img {
  filter: brightness(0.92) saturate(0.95);
}

/* Breadcrumb in dark mode */
[data-theme="dark"] .breadcrumb__item a { color: var(--text-muted); }
[data-theme="dark"] .breadcrumb__item a:hover { color: var(--crimson); }
[data-theme="dark"] .breadcrumb__item--current { color: var(--ink); }
[data-theme="dark"] .breadcrumb__back { color: var(--crimson); border-color: var(--crimson); }
[data-theme="dark"] .breadcrumb__back:hover {
  background: var(--crimson);
  color: #14110F;
}

/* Back-to-top in dark mode */
[data-theme="dark"] .back-to-top {
  background: var(--crimson);
  color: #14110F;
  box-shadow: 0 4px 18px rgba(0,0,0,0.5), 0 1px 4px rgba(0,0,0,0.4);
}
[data-theme="dark"] .back-to-top:hover { background: var(--gold); color: #14110F; }

/* Theme invite in dark mode (rare — usuário já está em dark) */
[data-theme="dark"] .theme-invite {
  background: #1B1714;
  border-color: var(--border);
  border-left-color: var(--crimson);
  border-bottom-color: var(--gold);
  box-shadow: 0 18px 48px rgba(0,0,0,0.6), 0 4px 12px rgba(0,0,0,0.4);
}
[data-theme="dark"] .theme-invite__text { color: var(--text); }
[data-theme="dark"] .theme-invite__text strong { color: var(--ink); }
[data-theme="dark"] .theme-invite__signoff { color: var(--text-muted); }
[data-theme="dark"] .theme-invite__btn--primary { color: #14110F; }
[data-theme="dark"] .theme-invite__btn--ghost:hover { color: var(--ink); border-color: var(--border); }
[data-theme="dark"] .theme-invite__close:hover { background: var(--offwhite); }

.article-body .article-figure {
  margin: 42px 0;
}

.article-body .article-figure img {
  width: 100%;
  border-radius: var(--radius);
  margin: 0;
}

.article-body .article-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

/* ============================================================
   OLAM REVIEW — CSS adicional
   Cole no final do arquivo CSS principal do blog
   ============================================================ */
 
/* --- Citação editorial com atribuição --- */
blockquote.editorial-quote {
  border-left: 3px solid var(--crimson, #A0174B);
  margin: 2.5rem auto;
  padding: 1.5rem 0 1.5rem 2rem;
  max-width: 680px;
  position: relative;
}
 
blockquote.editorial-quote p {
  font-family: 'Source Serif 4', 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.6;
  color: #2D2D2D;
  margin: 0 0 0.5rem;
}
 
/* Linha separadora antes da atribuição */
blockquote.editorial-quote footer.blockquote-attribution {
  display: block;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid #E8E5DF;
}
 
blockquote.editorial-quote footer.blockquote-attribution cite {
  font-family: 'Raleway', sans-serif;
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #A0174B;
  text-transform: uppercase;
}
 
/* --- Imagens editoriais com figura e legenda --- */
figure.article-figure {
  margin: 2.5rem auto;
  max-width: 720px;
  text-align: center;
}
 
figure.article-figure img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  display: block;
}
 
figure.article-figure figcaption {
  font-family: 'Raleway', sans-serif;
  font-size: 0.78rem;
  color: #888;
  font-style: italic;
  margin-top: 0.6rem;
  line-height: 1.5;
  text-align: center;
}