/* ===========================
   CLOISON'OR – STYLESHEET
   =========================== */

:root {
  --gold:      #C9A84C;
  --gold-light:#E2C97E;
  --gold-dark: #9A7530;
  --dark:      #0F0F0F;
  --dark2:     #1A1A1A;
  --dark3:     #242424;
  --grey:      #6B6B6B;
  --light:     #F5F4F0;
  --white:     #FFFFFF;
  --radius:    12px;
  --transition: .25s ease;
}

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

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

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

h1,h2,h3,h4 { font-family: 'Montserrat', sans-serif; line-height: 1.2; }

a { text-decoration: none; color: inherit; }

img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

/* SECTION LABELS */
.section-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 48px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .04em;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

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

/* ===========================
   NAVBAR
   =========================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: var(--dark);
  padding: 12px 0;
  box-shadow: 0 2px 24px rgba(0,0,0,.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.01em;
}
.logo span { color: var(--gold); }

.nav-links { display: flex; gap: 36px; }
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--dark2);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 50%, rgba(201,168,76,.08) 0%, transparent 70%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,.015) 40px,
      rgba(255,255,255,.015) 41px
    );
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,15,15,.95) 50%, rgba(15,15,15,.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding-top: 80px;
}

.hero-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 24px;
}
.hero-content h1 span { color: var(--gold); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block;
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ===========================
   STATS BAR
   =========================== */
.stats-bar {
  background: var(--gold);
  padding: 40px 0;
}

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

.stat strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--dark);
}
.stat span {
  font-size: .85rem;
  font-weight: 600;
  color: rgba(15,15,15,.7);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ===========================
   SERVICES
   =========================== */
.services { background: var(--light); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid rgba(0,0,0,.07);
  transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,.1);
  transform: translateY(-4px);
}

.service-icon {
  width: 52px;
  height: 52px;
  color: var(--gold);
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.service-card p {
  font-size: .9rem;
  color: var(--grey);
  line-height: 1.7;
}

/* ===========================
   POURQUOI
   =========================== */
.pourquoi { background: var(--dark); }

.pourquoi .section-title { color: var(--white); }

.pourquoi-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  color: rgba(255,255,255,.85);
}

.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--dark);
  font-size: .8rem;
  font-weight: 900;
  flex-shrink: 0;
}

.pourquoi-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}

.visual-card {
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,.2);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition);
}
.visual-card:hover { border-color: var(--gold); }

.visual-card strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 6px;
}
.visual-card span {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .1em;
}

.vc1 { grid-column: 1 / 3; }

/* ===========================
   RÉALISATIONS
   =========================== */
.realisations { background: var(--white); }

.gallery-grid {
  columns: 3;
  column-gap: 12px;
  margin-bottom: 24px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 12px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .4s ease;
}

.gallery-item:hover img { transform: scale(1.04); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  background: linear-gradient(to top, rgba(0,0,0,.65) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay span {
  font-family: 'Montserrat', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .05em;
}

.gallery-note {
  text-align: center;
  font-size: .85rem;
  color: var(--grey);
}
.gallery-note a { color: var(--gold); }
.gallery-note a:hover { text-decoration: underline; }

/* ===========================
   CONTACT
   =========================== */
.contact { background: var(--light); }

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

.contact-sub {
  color: var(--grey);
  margin-top: -32px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,.07);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-item:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(201,168,76,.1);
}

.ci-icon {
  width: 20px;
  height: 20px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.ci-icon svg { width: 100%; height: 100%; }

.contact-item strong {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 2px;
}
.contact-item span {
  font-size: .95rem;
  color: var(--dark);
}

.contact-social { margin-bottom: 20px; }

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1.5px solid rgba(0,0,0,.15);
  border-radius: 40px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
}
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover { border-color: var(--gold); color: var(--gold-dark); }

.tva-note {
  font-size: .75rem;
  color: var(--grey);
}

/* FORM */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 4px 32px rgba(0,0,0,.08);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: .07em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid rgba(0,0,0,.12);
  border-radius: 8px;
  font-family: 'Open Sans', sans-serif;
  font-size: .95rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-note {
  text-align: center;
  font-size: .8rem;
  color: var(--grey);
  margin-top: 12px;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .logo { margin-bottom: 16px; display: inline-block; }
.footer-brand p {
  font-size: .9rem;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links strong {
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--gold);
  margin-bottom: 4px;
}
.footer-links a {
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: .75rem;
  color: rgba(255,255,255,.3);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pourquoi-inner { grid-template-columns: 1fr; gap: 48px; }
  .pourquoi-visual { grid-template-columns: repeat(3, 1fr); }
  .vc1 { grid-column: auto; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / 3; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 24px; }
  .burger { display: flex; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

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

  .gallery-grid {
    columns: 2;
  }

  .contact-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .pourquoi-visual { grid-template-columns: 1fr 1fr; }
  .contact-form-wrap { padding: 24px 20px; }
  .gallery-grid { columns: 1; }
}