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

:root {
  --red: #c0392b;
  --red-dark: #a93226;
  --red-light: #e74c3c;
  --blue: #1a3a5c;
  --blue-mid: #2563a8;
  --blue-light: #2980b9;
  --dark: #1a1a1a;
  --gray-dark: #2d2d2d;
  --gray: #555;
  --gray-mid: #777;
  --gray-light: #e8e8e8;
  --gray-bg: #f5f5f5;
  --white: #ffffff;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --shadow: 0 2px 16px rgba(0,0,0,0.10);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.13);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --radius: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== CONTAINER ===== */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.18s, transform 0.12s, box-shadow 0.18s;
  white-space: nowrap;
  text-align: center;
  justify-content: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(192,57,43,0.28);
}
.btn-red:hover {
  background: var(--red-dark);
  box-shadow: 0 4px 20px rgba(192,57,43,0.38);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.8);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--gray-light);
}
.btn-outline-dark:hover {
  background: var(--gray-bg);
}

.btn-lg { font-size: 1rem; padding: 14px 28px; }
.btn-full { width: 100%; }

/* ===== SECTION LABEL ===== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-mid);
  background: rgba(37,99,168,0.08);
  border-left: 3px solid var(--blue-mid);
  padding: 4px 10px;
  border-radius: 0 4px 4px 0;
  margin-bottom: 16px;
}

.highlight-red { color: var(--red); }
.highlight-blue { color: var(--blue-mid); }

/* ===== HEADER ===== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26,58,92,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
  transition: background 0.2s;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 44px; /* Ajuste cette hauteur selon ton logo */
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--white); }

.header-call { font-size: 0.88rem; padding: 10px 18px; flex-shrink: 0; }

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--blue); /* Fallback */
  overflow: hidden;
  padding-top: 68px;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover; /* S'assure que la vidéo prend tout l'espace sans se déformer */
  object-position: center;
  opacity: 0.85;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(15,37,64,0.92) 0%, rgba(26,58,92,0.8) 40%, rgba(26,58,92,0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 60px;
  padding-bottom: 80px;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(192,57,43,0.18);
  border: 1px solid rgba(192,57,43,0.4);
  color: #f5a8a0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 24px;
}

#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  margin-bottom: 40px;
}
.hero-phone a {
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
}
.hero-phone svg { color: var(--red-light); flex-shrink: 0; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,0.82);
  font-size: 0.88rem;
  font-weight: 500;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0.5;
}
.hero-scroll a { display: block; }

/* ===== ABOUT ===== */
.section-about {
  padding: 90px 0;
  background: var(--white);
}

.section-about h2,
.section-services h2,
.section-realisations h2,
.section-contact h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 44px;
}

.about-card {
  background: var(--gray-bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--gray-light);
  transition: box-shadow 0.2s, transform 0.2s;
}
.about-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.about-icon {
  width: 52px; height: 52px;
  background: rgba(37,99,168,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.about-card p { font-size: 0.9rem; color: var(--gray); line-height: 1.65; }

.about-cta { text-align: center; }

/* ===== SERVICES ===== */
.section-services {
  padding: 90px 0;
  background: var(--blue);
}

.section-services .section-label {
  color: rgba(255,255,255,0.65);
  background: rgba(255,255,255,0.07);
  border-left-color: var(--red);
}

.section-services h2 { color: var(--white); }
.section-services .section-intro { color: rgba(255,255,255,0.7); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 44px;
}

.service-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: background 0.2s, transform 0.2s;
}
.service-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.service-card-wide {
  grid-column: 3;
}

.service-icon {
  width: 56px; height: 56px;
  background: rgba(192,57,43,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f5a8a0;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.35;
}
.service-card p {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.62);
  line-height: 1.6;
}

.services-cta { text-align: center; }

/* ===== RÉALISATIONS ===== */
.section-realisations {
  padding: 90px 0;
  background: var(--gray-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.gallery-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}
.gallery-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.gallery-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

/* Placeholder images using geometric patterns */
.gallery-img-1 { background: linear-gradient(135deg, #b7411e 0%, #8e2f14 100%); }
.gallery-img-2 { background: linear-gradient(135deg, #1a3a5c 0%, #0f2540 100%); }
.gallery-img-3 { background: linear-gradient(135deg, #2d2d2d 0%, #111 100%); }
.gallery-img-4 { background: linear-gradient(135deg, #5c4a1a 0%, #3d3010 100%); }
.gallery-img-5 { background: linear-gradient(135deg, #1a4a5c 0%, #0f303f 100%); }
.gallery-img-6 { background: linear-gradient(135deg, #3a1a5c 0%, #250f40 100%); }

.gallery-img::after {
  content: '📷 Photo chantier';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.gallery-overlay {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
}

.gallery-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tag-after {
  background: rgba(39,174,96,0.9);
  color: white;
}

.gallery-info {
  padding: 16px 18px;
}

.gallery-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue-mid);
  background: rgba(37,99,168,0.1);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.gallery-info p {
  font-size: 0.88rem;
  color: var(--gray);
  font-weight: 500;
}

.gallery-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--gray-mid);
  font-style: italic;
}

/* ===== RÉASSURANCE ===== */
.section-reassurance {
  background: var(--red);
  padding: 36px 0;
}

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

.reassurance-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--white);
}

.reassurance-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.reassurance-item strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.reassurance-item span {
  font-size: 0.82rem;
  opacity: 0.82;
}

/* ===== CONTACT ===== */
.section-contact {
  padding: 90px 0;
  background: var(--white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  align-items: start;
}

.contact-block {
  margin-bottom: 36px;
}
.contact-block h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.contact-block p {
  font-size: 0.9rem;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 6px;
}

.contact-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--red);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  transition: color 0.15s;
}
.contact-phone:hover { color: var(--red-dark); }
.contact-phone svg { color: var(--red); flex-shrink: 0; }

.contact-subtext {
  font-size: 0.85rem;
  color: var(--gray-mid);
}

.contact-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.contact-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  background: rgba(26,58,92,0.07);
  border: 1px solid rgba(26,58,92,0.12);
  padding: 5px 12px;
  border-radius: 4px;
}

/* Form */
.contact-form {
  background: var(--gray-bg);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--gray-light);
}
.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-mid);
  box-shadow: 0 0 0 3px rgba(37,99,168,0.1);
}
.form-group textarea { resize: vertical; }

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-mid);
  margin-top: 12px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(39,174,96,0.1);
  border: 1px solid rgba(39,174,96,0.3);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #1e7e34;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--blue);
  color: var(--white);
  padding: 48px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: start;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  display: block;
}
.footer-logo-img {
  height: 48px; /* Ajuste cette hauteur selon ton logo */
  width: auto;
  object-fit: contain;
  opacity: 0.9;
  transition: opacity 0.2s;
}
.footer-logo-img:hover {
  opacity: 1;
}

.footer-info p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 4px;
}
.footer-info a {
  color: rgba(255,255,255,0.9);
  font-weight: 600;
}
.footer-info a:hover { color: var(--white); }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
}
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  text-align: center;
  padding: 16px 24px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}

/* ===== STICKY CALL BUTTON ===== */
.sticky-call {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 14px 20px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(192,57,43,0.45);
  transition: background 0.15s, box-shadow 0.15s, transform 0.15s;
}
.sticky-call:hover {
  background: var(--red-dark);
  box-shadow: 0 6px 28px rgba(192,57,43,0.55);
  transform: translateY(-2px);
  color: var(--white);
}

/* ===== POP-UP ===== */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(15,37,64,0.7);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.popup-box {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px 36px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.popup-close {
  position: absolute;
  top: 14px; right: 14px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.popup-close:hover { color: var(--dark); background: var(--gray-light); }

.popup-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.popup-box h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 20px;
}

.popup-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.popup-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark);
}

.popup-ctas {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.popup-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.82rem;
  color: var(--gray-mid);
  text-align: center;
  padding: 8px;
  transition: color 0.15s;
}
.popup-dismiss:hover { color: var(--gray); }

/* ===== FADE IN ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card-wide { grid-column: auto; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .reassurance-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .header-call span { display: none; }

  #hero { min-height: auto; padding: 120px 0 64px; }
  .hero-content { max-width: 100%; }
  #hero h1 { font-size: 2rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }

  .section-about,
  .section-services,
  .section-realisations,
  .section-contact { padding: 64px 0; }

  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .reassurance-grid { grid-template-columns: 1fr; gap: 16px; }

  .contact-layout { grid-template-columns: 1fr; gap: 36px; }
  .contact-form { padding: 24px; }

  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-links { text-align: left; flex-direction: row; flex-wrap: wrap; }

  .sticky-call span { display: none; }
  .sticky-call { padding: 15px; border-radius: 50%; width: 56px; height: 56px; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .contact-phone { font-size: 1.45rem; }
  .popup-box { padding: 28px 20px 24px; }
  .popup-box h3 { font-size: 1.2rem; }
}