/* =========================================
   VERNAISON TOITURE — Premium Stylesheet
   Palette: Bleu nuit / Anthracite / Cuivre
========================================= */

:root {
  --navy: #0F172A;
  --anthracite: #1E293B;
  --anthracite-soft: #334155;
  --off-white: #F8FAFC;
  --light-gray: #E2E8F0;
  --mid-gray: #94A3B8;
  --copper: #C97A40;
  --copper-dark: #A45F2B;
  --copper-soft: rgba(201, 122, 64, 0.1);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.15);
  --shadow-xl: 0 30px 80px rgba(15, 23, 42, 0.25);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--anthracite);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, picture, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--navy);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { margin-bottom: 1rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 1rem;
  position: relative;
  padding-left: 3rem;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2rem;
  height: 1px;
  background: var(--copper);
}
.eyebrow.center { padding-left: 0; }
.eyebrow.center::before { display: none; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-dark { background: var(--navy); color: var(--light-gray); }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--off-white); }
.section-soft { background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%); }

.section-header { text-align: center; max-width: 720px; margin: 0 auto 3.5rem; }
.section-header p { color: var(--anthracite-soft); font-size: 1.05rem; margin-top: 1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1;
}
.btn svg { width: 1.05rem; height: 1.05rem; transition: transform var(--transition); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--copper-dark);
  color: var(--off-white);
  box-shadow: 0 10px 25px -10px rgba(164, 95, 43, 0.6);
}
.btn-primary:hover { background: #8B4F23; box-shadow: 0 15px 35px -10px rgba(164, 95, 43, 0.75); transform: translateY(-2px); }

.btn-secondary {
  background: transparent;
  color: var(--off-white);
  border-color: rgba(248, 250, 252, 0.3);
}
.btn-secondary:hover { background: rgba(248, 250, 252, 0.08); border-color: var(--off-white); transform: translateY(-2px); }

.btn-dark {
  background: var(--navy);
  color: var(--off-white);
}
.btn-dark:hover { background: var(--anthracite); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--off-white); transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--copper);
  padding: 0.5rem 0;
  font-weight: 600;
}
.btn-ghost:hover { color: var(--copper-dark); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition);
}
.site-header.scrolled { background: rgba(15, 23, 42, 0.97); box-shadow: var(--shadow-md); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--off-white);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1.15;
}
.brand-text { display: inline-flex; flex-direction: column; }
.brand-text span {
  font-size: 0.66rem;
  font-family: var(--font-sans);
  color: var(--copper);
  letter-spacing: 0.18em;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-menu a {
  color: var(--light-gray);
  font-size: 0.93rem;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--off-white); }
.nav-menu a.active::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%; height: 2px;
  background: var(--copper);
}

.nav-cta { display: flex; align-items: center; gap: 1rem; }
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--off-white);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-phone svg { width: 18px; height: 18px; color: var(--copper); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  color: var(--off-white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: var(--off-white);
  overflow: hidden;
  padding: 8rem 0 5rem;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 45%, rgba(30, 41, 59, 0.55) 100%),
    var(--hero-img, linear-gradient(135deg, #1E293B 0%, #0F172A 100%));
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero[data-hero="home"]        { --hero-img: url("../image/hero-home.jpg"); }
.hero[data-hero="couverture"]  { --hero-img: url("../image/couverture-tuile.jpg"); }
.hero[data-hero="isolation"]   { --hero-img: url("../image/isolation.jpg"); }
.hero[data-hero="installation"]{ --hero-img: url("../image/fenetre-toit.jpg"); }
.hero[data-hero="abergement"]  { --hero-img: url("../image/abergement-cheminee.jpg"); }
.hero[data-hero="entretien"]   { --hero-img: url("../image/entretien.jpg"); }
.hero[data-hero="contact"]     { --hero-img: url("../image/artisan-couvreur.jpg"); }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='30' viewBox='0 0 60 30'><path d='M0 0h30v30H0zm30 15h30v30H30z' fill='none' stroke='%23C97A40' stroke-width='0.25' opacity='0.12'/></svg>");
  opacity: 0.4;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero-inner {
  max-width: 760px;
}
.hero h1 {
  color: var(--off-white);
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--copper);
  position: relative;
  white-space: nowrap;
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(226, 232, 240, 0.88);
  margin-bottom: 2.5rem;
  max-width: 640px;
  line-height: 1.7;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--copper);
  line-height: 1;
}
.hero-stat span {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.75);
  letter-spacing: 0.03em;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(248,250,252,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}
.hero-scroll::after {
  content: "";
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--copper), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Hero variants (inner page) */
.hero-inner-page {
  min-height: 55vh;
  padding: 9rem 0 4rem;
}
.hero-inner-page h1 { font-size: clamp(2rem, 4vw, 3rem); }
.hero-breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(226,232,240,0.7);
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}
.hero-breadcrumb a:hover { color: var(--copper); }
.hero-breadcrumb svg { width: 12px; height: 12px; }

/* ---------- Reassurance Bar ---------- */
.reassurance {
  background: var(--off-white);
  border-bottom: 1px solid var(--light-gray);
  padding: 2rem 0;
}
.reassurance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  align-items: center;
}
.reassurance-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--anthracite);
}
.reassurance-item svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--copper);
  stroke-width: 1.5;
}

/* ---------- Feature Cards (Pourquoi nous choisir) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: #FFFFFF;
  padding: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--light-gray);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  background: var(--copper-soft);
  color: var(--copper);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}
.feature-icon svg { width: 26px; height: 26px; stroke-width: 1.5; }
.feature-card h3 { margin-bottom: 0.75rem; }
.feature-card p { color: var(--anthracite-soft); font-size: 0.95rem; margin-bottom: 0; }

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.service-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--light-gray);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.service-media {
  aspect-ratio: 16/10;
  background: var(--navy);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.7s ease;
}
.service-card:hover .service-media { transform: scale(1.04); }
.service-media .svg-cover {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.service-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,23,42,0.15) 0%, transparent 30%, rgba(15,23,42,0.75) 100%);
}
.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.service-tag {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.3rem 0.75rem;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  color: var(--copper);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 3px;
  z-index: 2;
}
.service-body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.service-body h3 { margin-bottom: 0.7rem; }
.service-body p { color: var(--anthracite-soft); font-size: 0.95rem; margin-bottom: 1.5rem; flex: 1; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--copper);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.service-link svg { width: 16px; height: 16px; transition: transform var(--transition); }
.service-card:hover .service-link svg { transform: translateX(5px); }

/* ---------- Service Detail Blocks (pages internes) ---------- */
.service-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
  border-bottom: 1px solid var(--light-gray);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse { grid-template-columns: 1fr 1.1fr; }
.service-block.reverse .service-visual { order: -1; }

.service-visual {
  aspect-ratio: 4/3;
  background: var(--navy);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.service-visual svg,
.service-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(15,23,42,0.25) 100%);
  pointer-events: none;
}

.service-content h2 { margin-bottom: 1.25rem; }
.service-content > p {
  font-size: 1.05rem;
  color: var(--anthracite-soft);
  margin-bottom: 1.75rem;
}
.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--off-white);
  border-left: 3px solid var(--copper);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--anthracite);
}
.service-features svg {
  width: 20px; height: 20px;
  color: var(--copper);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- Avant / Après ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.work-card {
  aspect-ratio: 4/5;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform var(--transition);
  background-size: cover;
  background-position: center;
}
.work-card:hover { transform: translateY(-5px); }
.work-card:hover img { transform: scale(1.06); }
.work-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s ease;
}
.work-card .svg-cover { width: 100%; height: 100%; }
.work-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15,23,42,0.95) 100%);
}
.work-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.75rem;
  color: var(--off-white);
  z-index: 2;
}
.work-info .work-label {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--copper);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.work-info h3 { color: var(--off-white); font-family: var(--font-serif); font-size: 1.2rem; margin-bottom: 0.25rem; }
.work-info p { font-size: 0.85rem; color: rgba(226,232,240,0.8); margin: 0; }

/* ---------- Zone d'intervention (cities) ---------- */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.6rem;
  margin-top: 1rem;
}
.cities-grid li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: #FFFFFF;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--anthracite);
  transition: all var(--transition);
  position: relative;
  padding-left: 2.4rem;
}
.cities-grid li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--copper);
  opacity: 0.7;
}
.cities-grid li:hover {
  border-color: var(--copper);
  background: var(--copper-soft);
  transform: translateX(2px);
}
.cities-grid li strong {
  font-weight: 700;
  color: var(--navy);
}
.cities-grid li span {
  font-size: 0.78rem;
  color: var(--mid-gray);
  font-family: var(--font-sans);
  font-weight: 500;
}
.zone-note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--anthracite-soft);
}
.zone-note a {
  color: var(--copper);
  font-weight: 600;
  text-decoration: underline;
}
.zone-note a:hover { color: var(--copper-dark); }

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.testimonial {
  background: #FFFFFF;
  padding: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--light-gray);
  position: relative;
  transition: all var(--transition);
}
.testimonial:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.testimonial-stars { color: var(--copper); margin-bottom: 1rem; font-size: 1.1rem; letter-spacing: 2px; }
.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--anthracite);
  margin-bottom: 1.5rem;
  font-style: italic;
}
.testimonial-text::before { content: "« "; color: var(--copper); font-weight: 700; }
.testimonial-text::after { content: " »"; color: var(--copper); font-weight: 700; }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--light-gray);
}
.testimonial-avatar {
  width: 44px; height: 44px;
  background: var(--navy);
  color: var(--copper);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-family: var(--font-serif);
}
.testimonial-author strong { display: block; font-size: 0.9rem; color: var(--navy); }
.testimonial-author span { font-size: 0.8rem; color: var(--mid-gray); }

/* ---------- CTA Band ---------- */
.cta-band {
  background: var(--navy);
  color: var(--off-white);
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(201, 122, 64, 0.25), transparent 60%);
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='40' viewBox='0 0 80 40'><path d='M0 0h40v40H0zm40 20h40v40H40z' fill='none' stroke='%23C97A40' stroke-width='0.3' opacity='0.1'/></svg>");
}
.cta-band > * { position: relative; z-index: 1; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.cta-inner h2 { color: var(--off-white); font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 0.75rem; }
.cta-inner p { color: rgba(226,232,240,0.85); font-size: 1.05rem; margin-bottom: 0; max-width: 540px; }
.cta-inner-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Process Steps ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding-left: 4rem;
}
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--copper);
  line-height: 1;
}
.process-step h3 { margin-bottom: 0.5rem; font-size: 1.125rem; }
.process-step p { color: var(--anthracite-soft); font-size: 0.95rem; margin: 0; }

/* ---------- Form ---------- */
.form-wrapper {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3.5rem;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.form-main { padding: 3.5rem; }
.form-main h2 { margin-bottom: 0.75rem; }
.form-main > p.lead { color: var(--anthracite-soft); margin-bottom: 2.5rem; }

.form-side {
  background: var(--navy);
  color: var(--light-gray);
  padding: 3.5rem 3rem;
  position: relative;
  overflow: hidden;
}
.form-side::before {
  content: "";
  position: absolute;
  top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(201,122,64,0.4), transparent 70%);
  pointer-events: none;
}
.form-side h3 {
  color: var(--off-white);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.form-side p { color: rgba(226,232,240,0.8); margin-bottom: 2rem; font-size: 0.95rem; }
.form-side-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  position: relative;
  z-index: 1;
}
.form-side-item:first-of-type { border-top: none; }
.form-side-item svg {
  width: 22px; height: 22px;
  color: var(--copper);
  flex-shrink: 0;
  margin-top: 2px;
}
.form-side-item strong { display: block; color: var(--off-white); font-size: 0.95rem; margin-bottom: 0.15rem; }
.form-side-item span { font-size: 0.85rem; color: rgba(226,232,240,0.75); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}
.form-group label .req { color: var(--copper); }
.form-group .hint {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--mid-gray);
  margin-left: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--navy);
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(201, 122, 64, 0.15);
  background: #FFFFFF;
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.form-chip {
  position: relative;
  cursor: pointer;
  user-select: none;
}
.form-chip input { position: absolute; opacity: 0; pointer-events: none; }
.form-chip span {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1rem;
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--anthracite);
  transition: all var(--transition);
}
.form-chip:hover span { border-color: var(--copper); color: var(--copper); }
.form-chip input:checked + span {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--off-white);
}

.form-checkbox {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--anthracite-soft);
  line-height: 1.5;
  cursor: pointer;
}
.form-checkbox input {
  width: 18px; height: 18px;
  accent-color: var(--copper);
  margin-top: 2px;
  flex-shrink: 0;
}

.form-submit { margin-top: 1rem; width: 100%; padding: 1.15rem; font-size: 1rem; }
.form-legal {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--mid-gray);
  text-align: center;
}

.form-group optgroup {
  font-style: normal;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
}
.form-group optgroup option {
  color: var(--navy);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0B111F;
  color: rgba(226, 232, 240, 0.7);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}
.site-footer h3 {
  color: var(--off-white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.site-footer ul li { margin-bottom: 0.65rem; }
.site-footer a { font-size: 0.9rem; color: rgba(226,232,240,0.7); }
.site-footer a:hover { color: var(--copper); }
.footer-brand .brand { color: var(--off-white); margin-bottom: 1.25rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-contact li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9rem;
}
.footer-contact svg {
  width: 18px; height: 18px;
  color: var(--copper);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(226,232,240,0.55);
}
.footer-bottom a:hover { color: var(--copper); }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--navy);
  color: var(--off-white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  border-left: 3px solid var(--copper);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 360px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}
.toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast svg { color: var(--copper); width: 22px; height: 22px; flex-shrink: 0; }
.toast strong { display: block; font-size: 0.9rem; }
.toast span { font-size: 0.82rem; color: rgba(226,232,240,0.8); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav { padding: 0.85rem 1.75rem; }
  .brand { font-size: 1.05rem; }
  .brand-text span { display: none; }
  .nav-cta { gap: 0.6rem; }
  .nav-cta .btn-primary { padding: 0.7rem 1rem; font-size: 0.85rem; }

  .nav-menu {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    height: 100vh;
    height: 100dvh;
    background: rgba(11, 17, 31, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: safe center;
    align-items: center;
    gap: 0;
    padding: 5rem 2rem 2rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 99;
  }
  .nav-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-menu a {
    width: 100%;
    color: var(--off-white);
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.55rem 0;
    border: none;
    text-align: center;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
  }
  .nav-menu.open a {
    opacity: 1;
    transform: translateY(0);
  }
  .nav-menu.open a:nth-child(1) { transition-delay: 0.08s; }
  .nav-menu.open a:nth-child(2) { transition-delay: 0.13s; }
  .nav-menu.open a:nth-child(3) { transition-delay: 0.18s; }
  .nav-menu.open a:nth-child(4) { transition-delay: 0.23s; }
  .nav-menu.open a:nth-child(5) { transition-delay: 0.28s; }
  .nav-menu.open a:nth-child(6) { transition-delay: 0.33s; }
  .nav-menu.open a:nth-child(7) { transition-delay: 0.38s; }
  .nav-menu a:hover, .nav-menu a.active { color: var(--copper); }
  .nav-menu a.active::after { display: none; }

  /* Burger -> Close icon swap */
  .nav-toggle {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 101;
  }
  .nav-toggle .icon-close { display: none; }
  .nav-toggle[aria-expanded="true"] .icon-burger { display: none; }
  .nav-toggle[aria-expanded="true"] .icon-close { display: block; }
  .nav-toggle[aria-expanded="true"] {
    border-color: rgba(255,255,255,0.25);
  }

  /* Body scroll lock when menu is open */
  body.menu-open { overflow: hidden; }

  .service-block, .service-block.reverse { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 0; }
  .service-block.reverse .service-visual { order: 0; }

  .form-wrapper { grid-template-columns: 1fr; }
  .form-main, .form-side { padding: 2.5rem; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: 1 / -1; }

  .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; }

  .hero { min-height: 78vh; padding: 6.5rem 0 4rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat strong { font-size: 1.5rem; }
}

@media (max-width: 600px) {
  .container, .container-narrow { padding: 0 1.4rem; }
  .nav { padding: 0.7rem 1.75rem; }
  .brand { font-size: 0.98rem; letter-spacing: 0.01em; }
  .nav-cta .btn-primary { padding: 0.6rem 0.85rem; font-size: 0.8rem; }
  .nav-toggle { width: 38px; height: 38px; }
  .nav-toggle svg { width: 20px; height: 20px; }

  .form-row { grid-template-columns: 1fr; }
  .form-main, .form-side { padding: 2rem 1.3rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand p { max-width: 100%; }

  .hero { padding: 5.5rem 0 3rem; min-height: auto; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; width: 100%; }
  .hero-stats { gap: 1.25rem 2rem; padding-top: 1.5rem; }
  .hero-stat strong { font-size: 1.4rem; }
  .hero-scroll { display: none; }

  .reassurance-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .reassurance-item { font-size: 0.85rem; }

  .work-info { padding: 1.25rem; }

  .cta-inner-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .cta-inner-actions .btn { justify-content: center; }

  /* === Accordion FAQ for "Pourquoi" cards on mobile === */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .feature-card {
    padding: 0;
    border-radius: var(--radius-sm);
  }
  .feature-card::before { display: none; }
  .feature-card:hover { transform: none; box-shadow: var(--shadow-sm); }
  .feature-card .feature-icon { display: none; }
  .feature-card h3 {
    margin: 0;
    padding: 1rem 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-sans);
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--navy);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  .feature-card h3::after {
    content: "";
    flex-shrink: 0;
    width: 12px; height: 12px;
    border-right: 2px solid var(--copper);
    border-bottom: 2px solid var(--copper);
    transform: rotate(45deg) translate(-2px, -2px);
    transition: transform 0.3s ease;
  }
  .feature-card.open h3::after {
    transform: rotate(-135deg) translate(-2px, -2px);
  }
  .feature-card p {
    max-height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0 1.1rem;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--anthracite-soft);
    transition: max-height 0.35s ease, padding 0.35s ease;
  }
  .feature-card.open p {
    max-height: 240px;
    padding: 0 1.1rem 1.1rem;
  }

  /* === Horizontal swipe carousels on mobile === */
  .services-grid,
  .testimonials-grid,
  .works-grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0.9rem;
    padding: 0.25rem 1.4rem 1.5rem;
    margin: 0 -1.4rem;
    scrollbar-width: none;
  }
  .services-grid::-webkit-scrollbar,
  .testimonials-grid::-webkit-scrollbar,
  .works-grid::-webkit-scrollbar { display: none; }

  .service-card,
  .testimonial,
  .work-card {
    flex: 0 0 82%;
    scroll-snap-align: center;
    min-width: 0;
  }
  .service-card { padding: 0; }
  .testimonial { padding: 1.5rem; flex: 0 0 85%; }

  /* Visual hint that the section can be swiped */
  #services .section-header::after,
  #avis .section-header::after,
  #realisations .section-header::after {
    content: "← Faites glisser →";
    display: block;
    margin-top: 0.75rem;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--copper);
    opacity: 0.7;
  }
}

@media (max-width: 380px) {
  .brand { font-size: 0.92rem; }
  .nav-cta .btn-primary { padding: 0.55rem 0.7rem; font-size: 0.75rem; }
  .container, .container-narrow { padding: 0 1.1rem; }
}