/* ============================================================
   Unisson Groupe — Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --color-bg: #FFFFFF;
  --color-bg-secondary: #edf3fb;
  --color-bg-soft: #edf3fb;
  --color-text: #0d1e35;
  --color-text-muted: #4a6a8a;
  --color-accent: #205189;
  --color-slate: #205189;
  --color-border: #c2d5ed;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --transition: 0.3s ease;
  --shadow-sm: 0 1px 3px rgba(32,81,137,0.10);
  --shadow-md: 0 4px 16px rgba(32,81,137,0.13);
  --shadow-lg: 0 12px 40px rgba(32,81,137,0.18);
  --radius: 4px;
  --max-width: 1200px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-sans); }

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

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.2; }

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-slate);
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 13px 28px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: #163d6a;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-slate);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-slate);
  background: var(--color-bg-secondary);
  transform: translateY(-1px);
}

.btn-white {
  background: #fff;
  color: var(--color-accent);
}
.btn-white:hover {
  background: #e8f0fb;
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}

/* ── Header / Navigation ────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--color-slate);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-bottom-color: rgba(255,255,255,0.12);
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

/* Logo white on blue header */
.site-header .logo-img { filter: brightness(0) invert(1); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  line-height: 1;
  flex-shrink: 0;
}
.logo-img {
  height: 38px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.logo-tagline {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Logo text white on blue header */
.site-header .logo-name { color: #fff; }
.site-header .logo-tagline { color: rgba(255,255,255,0.55); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255,255,255,0.72);
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: color var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #fff;
}

.header-cta {
  display: flex;
  align-items: stretch;
  gap: 10px;
  flex-shrink: 0;
}

.btn-phone {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 0 14px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius);
  transition: all var(--transition);
  display: flex;
  align-items: center;
}
.btn-phone:hover { color: #fff; border-color: rgba(255,255,255,0.7); }

.btn-estimate {
  font-size: 0.82rem;
  font-weight: 500;
  background: #fff;
  color: var(--color-slate);
  padding: 0 18px;
  border-radius: var(--radius);
  transition: all var(--transition);
  display: flex;
  align-items: center;
}
.btn-estimate:hover { background: rgba(255,255,255,0.88); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  flex-shrink: 0;
}
.burger span {
  display: block;
  height: 1.5px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.25s ease;
  transform-origin: center;
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-slate);
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: rgba(255,255,255,0.82);
  padding: 14px 0;
  transition: color var(--transition);
}
.mobile-nav a:hover { color: #fff; }
.mobile-nav-footer {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.mobile-nav-footer a {
  font-family: var(--font-sans) !important;
  font-size: 0.9rem !important;
  color: rgba(255,255,255,0.6) !important;
  padding: 6px 0 !important;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,10,0.70) 0%,
    rgba(10,10,10,0.20) 55%,
    rgba(10,10,10,0.05) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 80px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  color: #fff;
}

.hero-content h1 {
  color: #fff;
  max-width: 680px;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-content p {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(255,255,255,0.85);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.6;
}

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

.hero-badge {
  position: absolute;
  bottom: 28px;
  right: 28px;
  z-index: 2;
  background: rgba(32,81,137,0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.9);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 100px;
}

/* Hero mini (inner pages) */
.hero-mini {
  position: relative;
  width: 100%;
  height: calc(55vh + 72px); /* 72 px extra so full 55 vh is visible below the fixed header */
  min-height: calc(420px + 72px);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.hero-mini .hero-content {
  padding: 72px 24px 64px; /* top pad keeps text clear of header on short viewports */
}
.hero-mini .hero-content h1 { font-size: clamp(2rem, 4vw, 3.2rem); }

/* ── Sections ───────────────────────────────────────────────── */
section { padding: 96px 0; }
section.compact { padding: 64px 0; }

.section-header {
  margin-bottom: 56px;
}
.section-header.centered {
  text-align: center;
}
.section-header.centered .section-subtitle {
  margin: 0 auto;
}

/* ── Trust badges ───────────────────────────────────────────── */
.trust-strip {
  background: var(--color-bg-secondary);
  padding: 64px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 32px 20px;
}

.trust-icon {
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  color: var(--color-slate);
}
.trust-icon svg { width: 38px; height: 38px; }

.trust-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text);
}

.trust-desc {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── Card clickable overlay ─────────────────────────────────── */
.card { position: relative; }
.card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: var(--radius);
}
.card .card-link,
.card .card-body a {
  position: relative;
  z-index: 2;
}

/* ── Cards ──────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-img-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card-img-wrap img {
  transform: scale(1.04);
}

.card-body {
  padding: 24px;
}
.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.card-body p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}
.card-link {
  display: block;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-slate);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.card-link:hover { color: var(--color-accent); }
.card-link::after { content: ' →'; }

/* ── Why Us ─────────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
}

.why-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.why-icon {
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  color: var(--color-slate);
}
.why-icon svg { width: 26px; height: 26px; }

.why-item h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
}

.why-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Gallery grid ───────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 18px;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Brands ─────────────────────────────────────────────────── */
.brands-section {
  background: var(--color-bg-secondary);
}

.brands-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.brand-item {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-text-muted);
  padding: 13px 28px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: default;
}
.brand-item:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
  background: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ── Testimonials ───────────────────────────────────────────── */
.testimonials {
  background: var(--color-bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-author {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta-banner {
  background: var(--color-accent);
  color: #fff;
  padding: 96px 0;
  text-align: center;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 14px;
}

.cta-banner p {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Product grid (inner pages) ─────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.product-card-img {
  aspect-ratio: 3/2;
  overflow: hidden;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img {
  transform: scale(1.05);
}
.product-card-body {
  padding: 18px;
}
.product-card-body h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}
.product-card-body p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── Materials strip ─────────────────────────────────────────── */
.materials-strip {
  background: var(--color-bg-secondary);
  padding: 56px 0;
}

.materials-list {
  display: flex;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
}

.material-item {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 300;
  padding: 12px 36px;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
}
.material-item:hover { color: var(--color-text); }
.material-item:not(:last-child)::after {
  content: '·';
  position: absolute;
  right: -2px;
  color: var(--color-border);
  font-size: 1.6rem;
}

/* ── Trust mini strip ────────────────────────────────────────── */
.trust-mini {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 48px 0;
  flex-wrap: wrap;
}

.trust-mini-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.trust-mini-item strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ── Energy Star (fenêtres) ──────────────────────────────────── */
.energy-section {
  background: linear-gradient(135deg, var(--color-slate) 0%, #163d6a 100%);
  color: #fff;
  padding: 80px 0;
}

.energy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.energy-content h2 { color: #fff; margin-bottom: 14px; }
.energy-content p { color: rgba(255,255,255,0.75); line-height: 1.7; margin-bottom: 24px; }

.energy-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.energy-stat {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 24px;
}
.energy-stat-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}
.energy-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Commercial argument ─────────────────────────────────────── */
.argument-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.argument-content h2 { margin-bottom: 14px; }
.argument-content p { color: var(--color-text-muted); line-height: 1.7; margin-bottom: 16px; }

.argument-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.argument-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
}

.argument-list-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }

.argument-list-text h4 {
  font-size: 0.9rem;
  font-family: var(--font-sans);
  font-weight: 500;
  margin-bottom: 4px;
}
.argument-list-text p {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ── Verre sections ──────────────────────────────────────────── */
.verre-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}
.verre-section:last-of-type { border-bottom: none; }

.verre-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.verre-inner.reversed { direction: rtl; }
.verre-inner.reversed > * { direction: ltr; }

.verre-img {
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 5/4;
}
.verre-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.verre-content h2 { margin-bottom: 14px; }
.verre-content p { color: var(--color-text-muted); line-height: 1.7; margin-bottom: 20px; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-slate);
  background: rgba(32,81,137,0.08);
  padding: 5px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  cursor: default;
  transition: all var(--transition);
}
.tag:hover {
  background: var(--color-slate);
  color: #fff;
}

/* ── Filter tabs ─────────────────────────────────────────────── */
.filter-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-tab {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.filter-tab:hover, .filter-tab.active {
  border-color: var(--color-slate);
  background: var(--color-slate);
  color: #fff;
}

/* ── Contact ─────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 8px; }
.contact-info-sub {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  font-style: italic;
  font-family: var(--font-serif);
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 24px;
}

.contact-detail-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--color-text);
}

.contact-detail-value a {
  color: var(--color-slate);
  transition: opacity var(--transition);
}
.contact-detail-value a:hover { opacity: 0.7; }

.contact-divider {
  height: 1px;
  background: var(--color-border);
  margin: 28px 0;
}

.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  padding: 8px 14px;
  border-radius: var(--radius);
  margin-bottom: 8px;
  margin-right: 8px;
}

/* Form */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 40px;
}

.contact-form h3 {
  font-size: 1.4rem;
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 11px 14px;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-slate);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 4px;
}
.form-submit:hover { background: #163d6a; }

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 14px;
  font-style: italic;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-accent);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 28px;
}

.footer-brand .logo-name { color: #fff; font-size: 1.3rem; }
.footer-brand .logo-tagline { color: rgba(255,255,255,0.45); }

.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
  margin-top: 14px;
  margin-bottom: 20px;
}

.footer-contact-item {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
}
.footer-contact-item a { color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-contact-item a:hover { color: #fff; }

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #fff; }

.footer-hours p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Scroll animations ───────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── Page intro text ─────────────────────────────────────────── */
.page-intro {
  max-width: 720px;
}
.page-intro p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ── Responsive ──────────────────────────────────────────────── */

/* Tablet — 1024px */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .burger { display: flex; }
  .header-cta .btn-estimate { display: none; }
  .header-cta .btn-phone { display: none; }

  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .energy-inner { grid-template-columns: 1fr; gap: 40px; }
  .argument-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* Mobile — 768px */
@media (max-width: 768px) {
  section { padding: 64px 0; }

  .cards-grid { grid-template-columns: 1fr; }

  /* Home service cards — horizontal scroll on mobile */
  .cards-grid-4 {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 16px;
    margin-left: -24px;
    margin-right: -24px;
    padding-left: 24px;
    padding-right: 24px;
    padding-bottom: 12px;
  }
  .cards-grid-4::-webkit-scrollbar { display: none; }
  .cards-grid-4 .card {
    flex: 0 0 78vw;
    scroll-snap-align: start;
    min-width: 0;
  }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .trust-mini { gap: 24px; flex-direction: column; align-items: center; }

  .verre-inner,
  .verre-inner.reversed { grid-template-columns: 1fr; direction: ltr; gap: 36px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .hero-content { padding: 60px 20px; }
  .hero-badge { display: none; }

  .cta-actions { flex-direction: column; align-items: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }

  .brands-list { gap: 8px; }
  .brand-item { padding: 10px 16px; font-size: 0.95rem; }

  .energy-stats { grid-template-columns: 1fr 1fr; }

  .products-grid { grid-template-columns: 1fr 1fr; }
}

/* Small mobile — 480px */
@media (max-width: 480px) {
  .cards-grid-4 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .energy-stats { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}

/* ── Language System ─────────────────────────────────────────── */
.t-en { display: none; }
html.lang-en .t-fr { display: none !important; }
html.lang-en .t-en { display: inline !important; }

.lang-toggle {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: var(--radius);
  padding: 0 12px;
  transition: all var(--transition);
  cursor: pointer;
  font-family: var(--font-sans);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.lang-toggle:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}

/* ═══════════════════════════════════════════════════════════════
   ADDITIONS — all missing components & animations
   ═══════════════════════════════════════════════════════════════ */

/* ── Brands section (was missing padding) ────────────────────── */
.brands-section { padding: 96px 0; }

/* ── Feature grid (Commercial / Glass & Mirrors) ─────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-slate);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(32,81,137,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate);
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.feature-item:hover .feature-icon {
  background: var(--color-slate);
  color: #fff;
}

.feature-item h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0;
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}

/* ── Two-column feature (Glass & Mirrors specialty) ──────────── */
.two-col-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.two-col-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.two-col-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.two-col-img:hover img { transform: scale(1.04); }

.two-col-content h2 { margin-bottom: 14px; }
.two-col-content p { color: var(--color-text-muted); line-height: 1.7; margin-bottom: 18px; }

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.check-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-slate);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
}

/* ── Glass types grid ────────────────────────────────────────── */
.glass-types-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.glass-type-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 16px 20px;
  text-align: center;
  cursor: default;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.glass-type-card:hover {
  border-color: var(--color-slate);
  background: rgba(32,81,137,0.04);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.glass-type-icon {
  width: 44px;
  height: 44px;
  background: rgba(32,81,137,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate);
  transition: background var(--transition), color var(--transition);
}
.glass-type-card:hover .glass-type-icon {
  background: var(--color-slate);
  color: #fff;
}

.glass-type-card h4 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
}

.glass-type-card p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin: 0;
}

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

/* ── Gallery (realisations page) ─────────────────────────────── */
/* Override existing gallery-item to fix sizing & remove caption issues */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--color-bg-secondary);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}

.gallery-item:hover img { transform: scale(1.07); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.62) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-item.hidden { display: none; }

/* Hide any stray caption divs below gallery photos */
.gallery-caption { display: none; }

/* ── Contact page ────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 72px;
  align-items: start;
}

.contact-info-block {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-info-block:last-of-type { border-bottom: none; }

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: rgba(32,81,137,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate);
  flex-shrink: 0;
}

.contact-info-block h4 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.contact-info-block p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.55;
  margin-bottom: 4px;
}
.contact-info-block a { color: var(--color-slate); }
.contact-info-block a:hover { text-decoration: underline; }

.contact-trust {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.contact-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.btn-full { width: 100%; display: flex; justify-content: center; align-items: center; }
.required { color: var(--color-slate); }
.map-wrap { border-radius: var(--radius); overflow: hidden; }

/* ── Pill selectors (service / project type) ─────────────────── */
.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.pill-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.pill-label {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
  background: var(--color-bg);
}
.pill-label:hover {
  border-color: var(--color-slate);
  color: var(--color-slate);
}
.pill-input:checked + .pill-label {
  border-color: var(--color-slate);
  background: var(--color-slate);
  color: #fff;
}

/* ── Contact form card ───────────────────────────────────────── */
.contact-form {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 40px 36px;
}
.form-group { margin-bottom: 22px; }
.form-group:last-of-type { margin-bottom: 0; }

/* Responsive contact */
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
}

/* ── Additional scroll animations ────────────────────────────── */
.slide-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.slide-in-left.visible { opacity: 1; transform: translateX(0); }

.slide-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.slide-in-right.visible { opacity: 1; transform: translateX(0); }

.scale-in {
  opacity: 0;
  transform: scale(0.93);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.scale-in.visible { opacity: 1; transform: scale(1); }

.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* ── Responsive additions ────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .glass-types-grid { grid-template-columns: repeat(3, 1fr); }
  .two-col-feature { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .products-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .glass-types-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid-3 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .glass-types-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Product Showcase Catalogue (Unisson — Icons/) ───────────── */
.product-showcase-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.product-showcase-card {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  text-align: center;
  cursor: default;
}

.product-showcase-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-slate);
}

.product-showcase-img {
  background: var(--color-bg-secondary);
  padding: 24px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}

.product-showcase-img img {
  max-height: 120px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin: 0 auto;
  transition: transform 0.4s ease;
}

.product-showcase-card:hover .product-showcase-img img {
  transform: scale(1.05);
}

.product-showcase-body {
  padding: 14px 12px 18px;
  border-top: 1px solid var(--color-border);
}

.product-showcase-body h3 {
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--color-text);
  margin-bottom: 5px;
  line-height: 1.3;
}

.product-showcase-body p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* ── Stats bar (Unisson credibility) ─────────────────────────── */
.stats-bar {
  background: var(--color-slate);
  color: #fff;
  padding: 48px 0;
}

.stats-bar-inner {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.stat-block {
  text-align: center;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Patio door featured card ────────────────────────────────── */
.patio-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.patio-feature-img {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.patio-feature-img img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
}

.patio-feature-content h2 { margin-bottom: 14px; }
.patio-feature-content p { color: var(--color-text-muted); line-height: 1.7; margin-bottom: 20px; }

/* Responsive showcase grid */
@media (max-width: 1024px) {
  .product-showcase-grid { grid-template-columns: repeat(3, 1fr); }
  .patio-feature { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar-inner { gap: 40px; }
  .stat-num { font-size: 2.2rem; }
}

@media (max-width: 480px) {
  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }
}