/* ============================================================
   ORLGREY.COM — CSS v2
   Palette : blanc · or #c9a84c · gris architecturaux · anthracite
   ============================================================ */

:root {
  /* Fonds */
  --og-white:       #ffffff;
  --og-off-white:   #faf9f7;
  --og-light:       #f4f2ee;
  --og-light-mid:   #ece9e3;
  --og-mid:         #d4d0c8;

  /* Texte */
  --og-ink:         #1c1a17;
  --og-ink-soft:    #3a3733;
  --og-muted:       #7a7672;
  --og-faint:       #b0aca5;

  /* Or */
  --og-gold:        #c9a84c;
  --og-gold-dark:   #a8893a;
  --og-gold-light:  #e2c87a;
  --og-gold-pale:   #f7f0e0;
  --og-gold-border: rgba(201,168,76,.3);
  --og-gold-bg:     rgba(201,168,76,.06);

  /* Ombres */
  --og-shadow-sm: 0 1px 4px rgba(28,26,23,.08);
  --og-shadow-md: 0 4px 20px rgba(28,26,23,.1);
  --og-shadow-lg: 0 12px 40px rgba(28,26,23,.12);

  /* Rayons */
  --og-radius-sm: 3px;
  --og-radius-md: 8px;

  /* Transitions */
  --og-transition:      300ms cubic-bezier(.4,0,.2,1);
  --og-transition-slow: 600ms cubic-bezier(.4,0,.2,1);
}

/* ——— Reset & base ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  {
  font-family: 'Inter', sans-serif;
  background: var(--og-white);
  color: var(--og-ink);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ——— Typographie ——— */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--og-ink);
}

.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--og-gold);
}

/* ——— Ligne décorative or ——— */
.gold-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--og-gold);
  margin: 1.25rem 0;
}
.gold-line.centered { margin: 1.25rem auto; }

/* ——— Boutons ——— */
.btn-og-primary {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .9rem 2.2rem;
  background: var(--og-gold);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--og-transition), box-shadow var(--og-transition), transform var(--og-transition);
}
.btn-og-primary:hover {
  background: var(--og-gold-dark);
  box-shadow: 0 6px 20px rgba(201,168,76,.35);
  transform: translateY(-1px);
  color: #fff;
}

.btn-og-outline {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .88rem 2.2rem;
  background: transparent;
  color: var(--og-ink);
  font-family: 'Inter', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  border: 1.5px solid var(--og-mid);
  cursor: pointer;
  transition: border-color var(--og-transition), color var(--og-transition), transform var(--og-transition);
}
.btn-og-outline:hover {
  border-color: var(--og-gold);
  color: var(--og-gold-dark);
  transform: translateY(-1px);
}

.btn-og-gold-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .72rem 1.6rem;
  background: transparent;
  color: var(--og-gold-dark);
  font-family: 'Inter', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid var(--og-gold-border);
  cursor: pointer;
  transition: all var(--og-transition);
}
.btn-og-gold-outline:hover {
  background: var(--og-gold-pale);
  border-color: var(--og-gold);
  color: var(--og-gold-dark);
}

/* ============================================================
   PATTERNS ARCHITECTURAUX (backgrounds CSS)
   ============================================================ */

/* Grille blueprint fine */
.bg-blueprint {
  background-image:
    linear-gradient(rgba(201,168,76,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,.07) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Diagonales légères */
.bg-diagonals {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 28px,
    rgba(28,26,23,.025) 28px,
    rgba(28,26,23,.025) 29px
  );
}

/* Hachures architecturales croisées */
.bg-hatch {
  background-image:
    repeating-linear-gradient(
       45deg, rgba(201,168,76,.04) 0, rgba(201,168,76,.04) 1px,
       transparent 0, transparent 50%
    ),
    repeating-linear-gradient(
      -45deg, rgba(201,168,76,.04) 0, rgba(201,168,76,.04) 1px,
       transparent 0, transparent 50%
    );
  background-size: 20px 20px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.og-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  background: rgba(255,255,255,.0);
  transition: background var(--og-transition), padding var(--og-transition), box-shadow var(--og-transition);
}

.og-nav.scrolled {
  padding: 1rem 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--og-light-mid), var(--og-shadow-sm);
}

.og-nav .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.og-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--og-ink);
}
.og-logo span { color: var(--og-gold); }

.og-nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.og-nav-links a {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--og-muted);
  transition: color var(--og-transition);
  position: relative;
}
.og-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--og-gold);
  transition: width var(--og-transition);
}
.og-nav-links a:hover,
.og-nav-links a.active { color: var(--og-ink); }
.og-nav-links a:hover::after,
.og-nav-links a.active::after { width: 100%; }

.og-nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .4rem;
}
.og-nav-burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--og-ink);
  transition: all var(--og-transition);
}

/* ============================================================
   HERO
   ============================================================ */
.og-hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  background-color: var(--og-off-white);
  position: relative;
  overflow: hidden;
  padding-top: 90px;
}

/* Rosace architecturale en fond — pseudo-element z-index 1, sous le contenu (z-index 2) */
.og-hero::before {
  content: '';
  position: absolute;
  left: 25%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(72vh, 620px);
  height: min(72vh, 620px);
  background: url('/assets/img/rosace.svg') center/contain no-repeat;
  opacity: .14;
  pointer-events: none;
  z-index: 1;
}

.og-hero-symbol { display: none; }

/* Grille blueprint côté droit */
.og-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,.05) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: linear-gradient(to right, transparent 30%, rgba(0,0,0,.4) 60%, rgba(0,0,0,.6));
  mask-image: linear-gradient(to right, transparent 30%, rgba(0,0,0,.4) 60%, rgba(0,0,0,.6));
}

.og-hero-left {
  position: relative;
  z-index: 2;
  padding: 4rem 3rem 4rem 2.5rem;
  max-width: 640px;
  justify-self: end;
}

.og-hero-right {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: 600px;
  background: var(--og-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Motif preview dans le hero */
.og-hero-preview {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      30deg,
      rgba(201,168,76,.06) 0, rgba(201,168,76,.06) 1px,
      transparent 1px, transparent 32px
    ),
    repeating-linear-gradient(
      -30deg,
      rgba(201,168,76,.06) 0, rgba(201,168,76,.06) 1px,
      transparent 1px, transparent 32px
    ),
    linear-gradient(160deg, #f4ede0 0%, #e8e0d4 40%, #ede4d6 100%);
}

.og-hero-preview-label {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
}

.og-hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--og-ink);
  margin: 1rem 0 1.5rem;
}
.og-hero-title em {
  font-style: italic;
  color: var(--og-gold);
}

.og-hero-sub {
  font-size: 1rem;
  color: var(--og-muted);
  line-height: 1.75;
  max-width: 400px;
  margin-bottom: 2.5rem;
}

.og-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.og-hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--og-light-mid);
}

.og-hero-stat-val {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 400;
  color: var(--og-gold);
  line-height: 1;
}
.og-hero-stat-label {
  font-size: .72rem;
  color: var(--og-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: .25rem;
}

/* ============================================================
   SECTIONS — structure commune
   ============================================================ */
.og-section {
  padding: 7rem 0;
}

.og-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.og-section-hd {
  margin-bottom: 4rem;
}
.og-section-hd.centered {
  text-align: center;
  max-width: 540px;
  margin: 0 auto 4rem;
}

.og-section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-top: .5rem;
}

/* ============================================================
   CONCEPT — 3 piliers
   ============================================================ */
.og-concept { background: var(--og-white); }

.og-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--og-light-mid);
}

.og-pillar {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--og-light-mid);
  position: relative;
  transition: background var(--og-transition);
}
.og-pillar:last-child { border-right: none; }
.og-pillar:hover { background: var(--og-gold-bg); }

.og-pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  transition: background var(--og-transition);
}
.og-pillar:hover::before { background: var(--og-gold); }

.og-pillar-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem;
  font-weight: 300;
  color: rgba(201,168,76,.2);
  line-height: 1;
  margin-bottom: 1.5rem;
}
.og-pillar-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  color: var(--og-ink);
  margin-bottom: .75rem;
}
.og-pillar-text {
  font-size: .88rem;
  color: var(--og-muted);
  line-height: 1.75;
}

/* ============================================================
   CATALOGUE APERÇU
   ============================================================ */
.og-catalogue { background: var(--og-light); }

.og-catalogue-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.og-motif-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  background: var(--og-light-mid);
  box-shadow: var(--og-shadow-sm);
  transition: box-shadow var(--og-transition-slow), transform var(--og-transition-slow);
}
.og-motif-card:hover {
  box-shadow: var(--og-shadow-lg);
  transform: translateY(-4px);
}

.og-motif-thumb {
  width: 100%;
  height: 100%;
  transition: transform var(--og-transition-slow);
}
.og-motif-card:hover .og-motif-thumb { transform: scale(1.05); }

.og-motif-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,26,23,.82) 0%, rgba(28,26,23,.1) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
}

.og-motif-style {
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--og-gold-light);
  margin-bottom: .35rem;
}
.og-motif-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 500;
  color: #fff;
  line-height: 1.1;
  margin-bottom: .4rem;
}
.og-motif-price {
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--og-transition);
}
.og-motif-card:hover .og-motif-price { opacity: 1; transform: translateY(0); }

.og-catalogue-footer { text-align: center; margin-top: 3.5rem; }

/* ============================================================
   UNIVERS — cibles
   ============================================================ */
.og-univers { background: var(--og-white); }

.og-targets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.og-target-card {
  padding: 2.5rem;
  border: 1px solid var(--og-light-mid);
  position: relative;
  transition: border-color var(--og-transition), box-shadow var(--og-transition), transform var(--og-transition);
  background: var(--og-white);
}
.og-target-card:hover {
  border-color: var(--og-gold-border);
  box-shadow: var(--og-shadow-md);
  transform: translateY(-3px);
}
.og-target-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--og-gold);
  transform: scaleX(0);
  transition: transform var(--og-transition);
}
.og-target-card:hover::after { transform: scaleX(1); }

.og-target-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--og-gold-border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.75rem;
  color: var(--og-gold);
  font-size: 1.1rem;
  background: var(--og-gold-bg);
}
.og-target-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.55rem;
  margin-bottom: .7rem;
  color: var(--og-ink);
}
.og-target-text {
  font-size: .875rem;
  color: var(--og-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.og-target-list { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.og-target-list li {
  font-size: .8rem;
  color: var(--og-muted);
  display: flex; align-items: center; gap: .6rem;
}
.og-target-list li::before {
  content: '';
  display: inline-block;
  width: 14px; height: 1px;
  background: var(--og-gold);
  flex-shrink: 0;
}

/* ============================================================
   PROCESS
   ============================================================ */
.og-process { background: var(--og-light) bg-hatch; }

.og-process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
.og-process-steps::before {
  content: '';
  position: absolute;
  top: 22px;
  left: calc(12.5% + 22px);
  right: calc(12.5% + 22px);
  height: 1px;
  background: linear-gradient(to right, var(--og-gold-border), var(--og-gold-border));
}

.og-step { text-align: center; padding: 0 1rem; }

.og-step-num {
  width: 44px; height: 44px;
  border: 1px solid var(--og-gold-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--og-gold-dark);
  background: var(--og-white);
  margin: 0 auto 1.75rem;
  position: relative; z-index: 1;
}
.og-step-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  margin-bottom: .5rem;
  color: var(--og-ink);
}
.og-step-text { font-size: .82rem; color: var(--og-muted); line-height: 1.65; }

/* ============================================================
   MATÉRIAUX
   ============================================================ */
.og-materiaux { background: var(--og-white); }

.og-mat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.og-mat-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 2.5rem;
  border: 1px solid var(--og-light-mid);
  background: var(--og-light-mid);
}
.og-mat-spec {
  padding: 1.5rem;
  background: var(--og-white);
  transition: background var(--og-transition);
}
.og-mat-spec:hover { background: var(--og-gold-bg); }
.og-mat-spec-val {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  color: var(--og-gold);
  line-height: 1;
  margin-bottom: .3rem;
}
.og-mat-spec-label { font-size: .72rem; color: var(--og-muted); text-transform: uppercase; letter-spacing: .08em; }

/* Visuel décoratif matériaux */
.og-mat-visual {
  aspect-ratio: 4/5;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--og-light-mid);
  background: var(--og-light);
}

.og-mat-visual-inner {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      rgba(201,168,76,.07) 0, rgba(201,168,76,.07) 1px,
      transparent 1px, transparent 24px
    ),
    repeating-linear-gradient(
      -45deg,
      rgba(201,168,76,.07) 0, rgba(201,168,76,.07) 1px,
      transparent 1px, transparent 24px
    ),
    linear-gradient(160deg, #f7f1e6 0%, #ece3d4 50%, #f0e8d8 100%);
}

.og-mat-visual-label {
  position: absolute;
  bottom: 2rem; left: 2rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  color: var(--og-ink-soft);
  letter-spacing: .1em;
  text-transform: uppercase;
  border-top: 1px solid var(--og-gold-border);
  padding-top: .75rem;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.og-cta-banner {
  padding: 7rem 0;
  background: var(--og-off-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.og-cta-banner .bg-blueprint {
  position: absolute;
  inset: 0;
  opacity: .6;
}

.og-cta-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin-bottom: 1.25rem;
  color: var(--og-ink);
  position: relative;
}
.og-cta-sub {
  font-size: .95rem;
  color: var(--og-muted);
  max-width: 440px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
  position: relative;
}
.og-cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; position: relative; }

/* ============================================================
   FOOTER
   ============================================================ */
.og-footer {
  background: var(--og-ink);
  color: var(--og-faint);
  padding: 5rem 0 2rem;
}

.og-footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.og-footer .og-logo { color: var(--og-white); display: block; margin-bottom: 1rem; }
.og-footer .og-logo span { color: var(--og-gold); }

.og-footer-tagline { font-size: .875rem; line-height: 1.75; color: var(--og-faint); max-width: 280px; margin-bottom: 1.75rem; }

.og-footer-social { display: flex; gap: .75rem; }
.og-social-link {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  color: var(--og-faint);
  transition: all var(--og-transition);
}
.og-social-link:hover { border-color: var(--og-gold); color: var(--og-gold); }

.og-footer-col h4 {
  font-family: 'Inter', sans-serif;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 1.25rem;
}
.og-footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .65rem; }
.og-footer-col ul li a { font-size: .875rem; color: var(--og-faint); transition: color var(--og-transition); }
.og-footer-col ul li a:hover { color: var(--og-gold); }

.og-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.og-footer-copy { font-size: .78rem; }
.og-footer-legal { display: flex; gap: 1.5rem; }
.og-footer-legal a { font-size: .78rem; color: var(--og-faint); transition: color var(--og-transition); }
.og-footer-legal a:hover { color: var(--og-gold); }

/* ============================================================
   ANIMATIONS REVEAL
   ============================================================ */
.og-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s ease, transform .75s ease;
}
.og-reveal.visible { opacity: 1; transform: translateY(0); }
.og-reveal-delay-1 { transition-delay: .1s; }
.og-reveal-delay-2 { transition-delay: .22s; }
.og-reveal-delay-3 { transition-delay: .34s; }
.og-reveal-delay-4 { transition-delay: .46s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .og-hero         { grid-template-columns: 1fr; min-height: auto; }
  .og-hero-right   { display: none; }
  .og-hero-left    { max-width: 100%; padding: 6rem 2.5rem 4rem; justify-self: start; }
  .og-pillars      { grid-template-columns: 1fr; }
  .og-pillar       { border-right: none; border-bottom: 1px solid var(--og-light-mid); }
  .og-pillar:last-child { border-bottom: none; }
  .og-catalogue-grid { grid-template-columns: repeat(2, 1fr); }
  .og-targets      { grid-template-columns: 1fr; }
  .og-process-steps { grid-template-columns: repeat(2, 1fr); }
  .og-process-steps::before { display: none; }
  .og-mat-grid     { grid-template-columns: 1fr; }
  .og-footer-grid  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .og-section { padding: 4.5rem 0; }
  .og-inner   { padding: 0 1.5rem; }
  .og-nav .inner { padding: 0 1.5rem; }
  .og-nav-links, .og-nav-cta-wrap { display: none; }
  .og-nav-burger { display: flex; }
  .og-nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--og-white);
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 999;
  }
  .og-nav-links.open a { font-size: 1.5rem; letter-spacing: .05em; color: var(--og-ink); }
  .og-catalogue-grid { grid-template-columns: 1fr; gap: 1rem; }
  .og-motif-card { aspect-ratio: 16/9; }
  .og-process-steps { grid-template-columns: 1fr; }
  .og-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .og-footer-bottom { flex-direction: column; text-align: center; }
  .og-hero-stats { gap: 1.5rem; }
}

@media (max-width: 480px) {
  .og-hero-actions { flex-direction: column; align-items: flex-start; }
  .og-hero-stats   { flex-wrap: wrap; gap: 1.25rem; }
}