/* ============================================================
   GENELUX WIREFRAMES — styles.css
   LOW-FIDELITY STRICT | Noir / Blanc / Gris (#F5F5F5) uniquement
   Breakpoints: 1440px / 768px / 375px
   ============================================================ */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #000;
  background: #fff;
}

img { display: block; width: 100%; }
a { color: #000; text-decoration: underline; }
a:hover { text-decoration: none; }

/* ── TYPOGRAPHY ── */
h1 { font-size: 2.25rem; font-weight: 700; line-height: 1.2; }
h2 { font-size: 1.75rem; font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
p  { font-size: 1rem; line-height: 1.6; }

/* ── LAYOUT ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 64px 0; }
.section--gray { background: #F5F5F5; }

/* ── WIREFRAME NAV (bouton flottant navigation entre wireframes) ── */
#wf-nav {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  font-size: 0.8rem;
}

#wf-nav-toggle {
  background: #000;
  color: #fff;
  border: none;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#wf-menu {
  display: none;
  background: #fff;
  border: 2px solid #000;
  border-top: none;
  min-width: 200px;
}

#wf-menu.open { display: block; }

#wf-menu a {
  display: block;
  padding: 8px 14px;
  border-bottom: 1px solid #000;
  text-decoration: none;
  color: #000;
  font-size: 0.8rem;
}

#wf-menu a:hover { background: #F5F5F5; }

#wf-menu .wf-nav-label {
  display: block;
  padding: 6px 14px 2px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  background: #F5F5F5;
  border-bottom: 1px solid #000;
}

/* ── HEADER ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 2px solid #000;
  background: #fff;
  transition: background 0.3s, color 0.3s;
}

.site-header.transparent {
  background: transparent;
  border-bottom-color: transparent;
}

.site-header.transparent .header-inner { color: #fff; }
.site-header.transparent .nav-link { color: #fff; }
.site-header.transparent .logo-text { color: #fff; }
.site-header.transparent .btn-lang { color: #fff; border-color: #fff; }
.site-header.transparent .btn-hamburger { color: #fff; border-color: #fff; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  max-width: 1440px;
  margin: 0 auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border: 2px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  text-align: center;
  line-height: 1.2;
  font-weight: 600;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #000;
}

/* Nav */
.nav-main { display: flex; align-items: center; gap: 32px; }
.nav-link { text-decoration: none; font-size: 0.875rem; font-weight: 500; color: #000; }
.nav-link:hover { text-decoration: underline; }

/* Header right */
.header-right { display: flex; align-items: center; gap: 12px; }

.btn-lang {
  border: 1px solid #000;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  background: none;
  cursor: pointer;
  letter-spacing: 0.05em;
  color: #000;
}

.btn-hamburger {
  border: 2px solid #000;
  padding: 6px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  background: none;
  cursor: pointer;
  letter-spacing: 0.06em;
  color: #000;
  text-transform: uppercase;
}

/* ── HAMBURGER MENU OVERLAY ── */
.hamburger-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2000;
  background: #fff;
  border-left: 2px solid #000;
}

.hamburger-overlay.open { display: block; }

.hamburger-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 2px solid #000;
  height: 64px;
}

.btn-close {
  border: 2px solid #000;
  padding: 4px 10px;
  background: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 700;
}

.hamburger-menu { padding: 0; }

.hamburger-menu a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid #000;
  text-decoration: none;
  color: #000;
  font-size: 1.1rem;
  font-weight: 500;
}

.hamburger-menu a:hover { background: #F5F5F5; }

.hamburger-cta {
  padding: 16px 24px;
  border-bottom: 1px solid #000;
}

.hamburger-cta a {
  display: block;
  text-align: center;
  padding: 12px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.hamburger-social {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid #000;
}

.hamburger-social a {
  border: 2px solid #000;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  color: #000;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  padding: 12px 0;
  border-bottom: 1px solid #000;
  font-size: 0.8rem;
}

.breadcrumb a { color: #000; }

/* ── PAGE HERO (secondary pages) ── */
.page-hero {
  background: #F5F5F5;
  border-bottom: 2px solid #000;
  padding: 48px 0;
  margin-top: 64px;
  text-align: center;
}

.page-hero h1 { margin-bottom: 12px; }
.page-hero p { font-size: 1.1rem; color: #333; }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid #000;
  background: none;
  color: #000;
  transition: background 0.2s, color 0.2s;
}

.btn:hover { background: #000; color: #fff; text-decoration: none; }

.btn--primary { background: #000; color: #fff; }
.btn--primary:hover { background: #333; }

.btn--outline { background: #fff; color: #000; }
.btn--outline:hover { background: #000; color: #fff; }

.btn--full { width: 100%; text-align: center; }

/* ── IMAGE PLACEHOLDER ── */
.img-placeholder {
  background: #F5F5F5;
  border: 2px solid #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #555;
  text-align: center;
  padding: 16px;
  font-style: italic;
}

/* ── GLASSMORPHISM PLACEHOLDER ── */
.glassmorphism-block {
  border: 2px dashed #000;
  padding: 32px;
  background: rgba(255,255,255,0.1);
  position: relative;
}

.glassmorphism-block::before {
  content: "[Bloc glassmorphism]";
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 16px;
  color: #555;
  border-bottom: 1px solid #aaa;
  padding-bottom: 8px;
}

/* ── ICON PLACEHOLDER ── */
.icon-placeholder {
  display: inline-block;
  border: 2px solid #000;
  width: 48px;
  height: 48px;
  line-height: 44px;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  margin-bottom: 16px;
  vertical-align: middle;
}

/* ── GRIDS ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── CARD VARIETE ── */
.card-variety {
  border: 2px solid #000;
  background: #fff;
}

.card-variety__img { height: 220px; }

.card-variety__body { padding: 16px; }
.card-variety__name { font-size: 1rem; font-weight: 700; text-transform: uppercase; margin-bottom: 8px; }
.card-variety__meta { font-size: 0.8rem; line-height: 1.8; margin-bottom: 12px; }
.card-variety__cta { font-size: 0.8rem; font-weight: 600; text-decoration: none; color: #000; display: inline-block; border-bottom: 1px solid #000; }

/* ── CARD ARTICLE ── */
.card-article {
  border: 2px solid #000;
  background: #fff;
}

.card-article__img { height: 200px; }

.card-article__body { padding: 16px; }
.card-article__meta { font-size: 0.75rem; margin-bottom: 6px; display: flex; gap: 8px; align-items: center; }
.card-article__tag {
  border: 1px solid #000;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card-article__title { font-weight: 600; margin-bottom: 8px; }
.card-article__excerpt { font-size: 0.85rem; color: #333; margin-bottom: 12px; }
.card-article__cta { font-size: 0.8rem; font-weight: 600; color: #000; text-decoration: none; border-bottom: 1px solid #000; }

/* ── CARD PUBLICATION ── */
.card-publication {
  border: 2px solid #000;
  padding: 20px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 16px;
  align-items: center;
  background: #fff;
}

.card-publication__icon {
  border: 2px solid #000;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  text-align: center;
  flex-shrink: 0;
}

.card-publication__content { min-width: 0; }
.card-publication__title { font-weight: 700; margin-bottom: 4px; }
.card-publication__meta { font-size: 0.75rem; margin-bottom: 6px; display: flex; gap: 8px; flex-wrap: wrap; }
.card-publication__type, .card-publication__topic {
  border: 1px solid #000;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.card-publication__abstract { font-size: 0.85rem; color: #333; }

.card-publication__actions { display: flex; gap: 8px; flex-shrink: 0; }
.card-publication__actions .btn { padding: 8px 14px; font-size: 0.75rem; }

/* ── GLOSSAIRE TERME ── */
.glossary-letter {
  font-size: 1.5rem;
  font-weight: 700;
  padding: 16px 0 8px;
  border-bottom: 2px solid #000;
  margin-bottom: 16px;
  margin-top: 32px;
}

.glossary-term {
  border: 2px solid #000;
  padding: 16px;
  margin-bottom: 12px;
  background: #fff;
}

.glossary-term__name {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.glossary-term__def { font-size: 0.9rem; color: #222; }

/* Lettre inactive */
.alpha-index a.disabled {
  color: #bbb;
  border-color: #bbb;
  pointer-events: none;
  cursor: default;
}

/* ── KEY NUMBERS ── */
.key-number {
  border: 2px solid #000;
  padding: 32px 16px;
  text-align: center;
  background: #fff;
}

.key-number__value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.key-number__label { font-size: 0.875rem; color: #333; }

/* ── WHY GENELUX CARD ── */
.why-card {
  border: 2px solid #000;
  padding: 24px;
  background: #fff;
}

.why-card__title { font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin: 12px 0 8px; }
.why-card__text { font-size: 0.875rem; color: #333; }

/* ── CERTIF LOGOS ── */
.cert-logos { display: flex; gap: 32px; justify-content: center; align-items: center; flex-wrap: wrap; }

.cert-logo {
  border: 2px solid #000;
  width: 100px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
  padding: 8px;
  background: #F5F5F5;
}

/* ── HERO SECTION (One Page) ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  background: #000;
  overflow: hidden;
  margin-top: 0;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__bg-label {
  color: #555;
  font-size: 0.85rem;
  font-style: italic;
  letter-spacing: 0.05em;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin-left: 60px;
}

.hero__glass {
  border: 2px dashed #fff;
  padding: 40px;
  background: transparent;
}

.hero__glass::before {
  content: "[Bloc glassmorphism]";
  display: block;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.3);
}

.hero__title { font-size: 2.5rem; color: #fff; margin-bottom: 16px; }
.hero__sub { color: rgba(255,255,255,0.85); font-size: 1rem; margin-bottom: 32px; line-height: 1.7; }

.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__ctas .btn--primary { background: #fff; color: #000; border-color: #fff; }
.hero__ctas .btn--primary:hover { background: #e0e0e0; }
.hero__ctas .btn--outline { border-color: #fff; color: #fff; background: transparent; }
.hero__ctas .btn--outline:hover { background: #fff; color: #000; }

/* ── INTRO / WHO WE ARE ── */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-img { height: 360px; }
.intro-text h2 { margin-bottom: 16px; }
.intro-text p { margin-bottom: 16px; color: #333; }

/* ── CTA SECTION FINAL ── */
.cta-section {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  text-align: center;
  background: #1a1a1a;
  color: #fff;
}

.cta-section__bg-label {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  font-style: italic;
  white-space: nowrap;
  font-style: italic;
}

.cta-section__content { position: relative; z-index: 2; }
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 32px; }

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

.cta-section .btn--primary { background: #fff; color: #000; border-color: #fff; }
.cta-section .btn--outline { border-color: #fff; color: #fff; }
.cta-section .btn--outline:hover { background: #fff; color: #000; }

/* ── FOOTER ── */
.site-footer {
  border-top: 2px solid #000;
  background: #fff;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 48px 0 32px;
}

.footer-brand .footer-logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.footer-brand p { font-size: 0.85rem; color: #333; margin-top: 8px; }
.footer-brand .logo-icon { margin-bottom: 8px; }

.footer-col h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.875rem; color: #000; text-decoration: none; }
.footer-col ul li a:hover { text-decoration: underline; }

.footer-col address { font-style: normal; font-size: 0.875rem; line-height: 1.7; }

.footer-bottom {
  border-top: 1px solid #000;
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.footer-social { display: flex; gap: 12px; }
.footer-social a {
  border: 1px solid #000;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  color: #000;
}
.footer-social a:hover { background: #000; color: #fff; }

.footer-legal { display: flex; gap: 16px; }
.footer-legal a { color: #000; font-size: 0.8rem; }

/* ── SECTION TITLE ── */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: #333; font-size: 1rem; }

/* ── SEARCH BAR ── */
.search-bar {
  display: flex;
  align-items: center;
  border: 2px solid #000;
  overflow: hidden;
}

.search-bar__icon {
  padding: 12px 16px;
  border-right: 2px solid #000;
  font-size: 0.8rem;
  font-weight: 700;
  background: #F5F5F5;
  flex-shrink: 0;
}

.search-bar__input {
  border: none;
  outline: none;
  padding: 12px 16px;
  font-size: 0.9rem;
  width: 100%;
  font-family: inherit;
  background: #fff;
}

/* ── ALPHABET INDEX ── */
.alpha-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 2px solid #000;
  border-top: 2px solid #000;
}

.alpha-index a {
  border: 1px solid #000;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  color: #000;
}

.alpha-index a:hover { background: #000; color: #fff; }

/* ── FILTERS ── */
.filter-bar {
  padding: 20px 0;
  border-bottom: 2px solid #000;
  border-top: 2px solid #000;
  margin-bottom: 32px;
}

.filter-bar__label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }

.filter-pills { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-pill {
  border: 1px solid #000;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  background: #fff;
  color: #000;
  font-family: inherit;
}

.filter-pill.active, .filter-pill:hover {
  background: #000;
  color: #fff;
}

/* ── FEATURED ARTICLE ── */
.featured-article {
  border: 2px solid #000;
  margin-bottom: 32px;
}

.featured-article__img { height: 400px; }

.featured-article__body { padding: 24px; }
.featured-article__meta { font-size: 0.8rem; margin-bottom: 8px; display: flex; gap: 10px; align-items: center; }
.featured-article__title { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.featured-article__excerpt { color: #333; margin-bottom: 16px; }

/* ── FORM ── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.form-control {
  width: 100%;
  border: 2px solid #000;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  background: #fff;
  outline: none;
}
.form-control:focus { background: #F5F5F5; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 120px; }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border: 2px solid #000;
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
}

.form-check label { font-size: 0.85rem; }

/* ── CONTACT GRID ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-details { background: #F5F5F5; border: 2px solid #000; padding: 32px; }
.contact-details h3 { margin-bottom: 24px; }

.contact-item { margin-bottom: 24px; }
.contact-item-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-item-icon {
  border: 1px solid #000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 0.6rem;
  font-weight: 700;
}

.contact-item-value { font-size: 0.9rem; }

.contact-hours { padding-top: 16px; border-top: 1px solid #000; }
.contact-hours h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.contact-hours p { font-size: 0.875rem; }

/* ── LOAD MORE / PAGINATION ── */
.load-more { text-align: center; padding: 32px 0; }

/* ── NEED SPECIFIC DOC (Publications) ── */
.need-doc {
  background: #F5F5F5;
  border: 2px solid #000;
  padding: 48px;
  text-align: center;
  margin-top: 48px;
}

.need-doc h3 { margin-bottom: 12px; }
.need-doc p { margin-bottom: 24px; color: #333; }

/* ── SUCCESS MESSAGE ── */
.form-success {
  display: none;
  border: 2px solid #000;
  padding: 24px;
  text-align: center;
  background: #F5F5F5;
  margin-top: 20px;
}

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */

/* ── TABLET (768px - 1439px) ── */
@media (max-width: 1439px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero__title { font-size: 2rem; }
}

@media (max-width: 1024px) {
  .card-publication { grid-template-columns: 48px 1fr; }
  .card-publication__actions { grid-column: 1 / -1; display: flex; gap: 8px; }
}

@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.4rem; }
  .section { padding: 40px 0; }

  /* Header */
  .nav-main { display: none; }
  .header-inner { padding: 0 16px; }

  /* Hero */
  .hero { align-items: flex-end; padding: 16px; padding-bottom: 40px; min-height: 100svh; }
  .hero__content { margin-left: 0; max-width: 100%; }
  .hero__glass { padding: 24px; }
  .hero__title { font-size: 1.6rem; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; text-align: center; }

  /* Grids */
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* Intro */
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .intro-img { height: 240px; }

  /* Footer */
  .footer-main { grid-template-columns: 1fr; gap: 0; }
  .footer-col { border-top: 1px solid #000; }
  .footer-col h4 { padding: 16px 0; margin-bottom: 0; cursor: pointer; display: flex; justify-content: space-between; }
  .footer-col ul { display: none; padding-bottom: 16px; }
  .footer-col.open ul { display: block; }
  .footer-col address { padding-bottom: 16px; }
  .footer-brand { padding-bottom: 16px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-legal { flex-direction: column; align-items: center; gap: 8px; }

  /* CTA */
  .cta-section .cta-btns { flex-direction: column; align-items: center; }
  .cta-section .btn { width: 100%; max-width: 320px; text-align: center; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }

  /* Card publication */
  .card-publication { grid-template-columns: 48px 1fr; }
  .card-publication__actions { grid-column: 1 / -1; flex-direction: column; }
  .card-publication__actions .btn { width: 100%; text-align: center; }

  /* Filter bar */
  .filter-pills { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .filter-pill { flex-shrink: 0; }

  /* Alpha index */
  .alpha-index { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; }
  .alpha-index a { flex-shrink: 0; }

  /* Featured */
  .featured-article__img { height: 220px; }

  /* Key numbers */
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* CTA btns */
  .cta-btns-row { flex-direction: column; }
  .cta-btns-row .btn { width: 100%; text-align: center; }

  /* Why cards */
  .why-grid { grid-template-columns: 1fr; }
}

/* ── MOBILE SMALL (375px) ── */
@media (max-width: 375px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.5rem; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

/* ── WHY GRID alias ── */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
}