/* CDB — Design moderne, sympa, structure repensée */

:root {
  --cdb-bg: #fafaf9;
  --cdb-surface: #ffffff;
  --cdb-text: #111827;
  --cdb-muted: #6b7280;
  --cdb-accent: #171f3c;
  --cdb-accent-hover: #0f172a;
  --cdb-dark: #020617;
  --cdb-radius: 20px;
  --cdb-radius-sm: 12px;
  --cdb-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --cdb-shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.08);
  --cdb-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body.cdb {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--cdb-text);
  background: var(--cdb-bg);
  -webkit-font-smoothing: antialiased;
}

.cdb img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.cdb-wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ----- Nav ----- */
.cdb-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: var(--cdb-shadow);
  transition: background 0.3s var(--cdb-ease), box-shadow 0.3s var(--cdb-ease);
}

.cdb-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.12);
}

.cdb-nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cdb-logo img {
  height: 45px;
  width: auto;
}

.cdb-nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.cdb-nav-links a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--cdb-muted);
  transition: color 0.2s;
}

.cdb-nav-links a:hover {
  color: var(--cdb-accent);
}

.cdb-nav-cta {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--cdb-accent) !important;
  padding: 0.5rem 1rem;
  border-radius: var(--cdb-radius-sm);
  background: rgba(23, 31, 60, 0.06);
  transition: background 0.2s, color 0.2s;
}

.cdb-nav-cta:hover {
  background: var(--cdb-accent);
  color: #fff !important;
}

.cdb-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
}

.cdb-nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--cdb-text);
  border-radius: 999px;
}

.cdb-nav-toggle span+span {
  margin-top: 4px;
}

@media (max-width: 768px) {
  .cdb-nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.5rem 1.25rem;
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.15);
  }

  .cdb-nav-links.is-open {
    display: flex;
  }

  .cdb-nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}

/* ----- Hero ----- */
.cdb-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  overflow: hidden;
}

.cdb-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--cdb-dark);
}

.cdb-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.cdb-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 28rem;
}

.cdb-hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.cdb-hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0 0 1rem;
}

.cdb-hero p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 1.75rem;
  line-height: 1.6;
}

.cdb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--cdb-radius-sm);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.cdb-btn-hero {
  background: var(--cdb-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(234, 88, 12, 0.4);
}

.cdb-btn-hero:hover {
  background: var(--cdb-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(234, 88, 12, 0.45);
}

/* ----- Sections ----- */
.cdb-section {
  padding: 5rem 0;
}

.cdb-title-center {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0 0 0.75rem;
  color: var(--cdb-text);
}

.cdb-lead-center {
  text-align: center;
  color: var(--cdb-muted);
  max-width: 36rem;
  margin: 0 auto 2.5rem;
  font-size: 1.0625rem;
}

/* ----- FAQ ----- */
.cdb-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.cdb-faq-item {
  background: var(--cdb-surface);
  border-radius: 16px;
  padding: 1.5rem 1.5rem 1.25rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--cdb-shadow);
}

.cdb-faq-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cdb-text);
}

.cdb-faq-item p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--cdb-muted);
}

@media (max-width: 800px) {
  .cdb-faq-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ----- Legal pages ----- */
.cdb-legal-layout {
  padding-top: 6rem;
  padding-bottom: 4rem;
}

.cdb-legal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr);
  gap: 2rem;
}

.cdb-legal-section {
  background: var(--cdb-surface);
  border-radius: 16px;
  padding: 1.75rem 1.75rem 1.5rem;
  box-shadow: var(--cdb-shadow);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.cdb-legal-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--cdb-text);
}

.cdb-legal-section p {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
  color: var(--cdb-muted);
}

.cdb-legal-section p:last-child {
  margin-bottom: 0;
}

.cdb-legal-section ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
  color: var(--cdb-muted);
  font-size: 0.98rem;
}

.cdb-legal-section li {
  margin-bottom: 0.2rem;
}

/* ----- Concept ----- */
.bg-white {
  background: var(--cdb-surface);
}

.cdb-concept-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cdb-concept-visual {
  position: relative;
}

.cdb-concept-img-main {
  border-radius: var(--cdb-radius);
  overflow: hidden;
  box-shadow: var(--cdb-shadow-lg);
}

.cdb-concept-img-main img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.cdb-concept-img-float {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 48%;
  border-radius: var(--cdb-radius-sm);
  overflow: hidden;
  box-shadow: var(--cdb-shadow-lg);
  border: 4px solid var(--cdb-surface);
}

.cdb-concept-img-float img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.cdb-concept-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 800;
  margin: 0 0 1rem;
  color: var(--cdb-text);
  letter-spacing: -0.02em;
}

.cdb-concept-text p {
  color: var(--cdb-muted);
  margin: 0 0 1rem;
  font-size: 1.0625rem;
}

.cdb-link-video {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 700;
  color: var(--cdb-accent);
  transition: color 0.2s, gap 0.2s;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.cdb-link-video:hover {
  color: var(--cdb-accent-hover);
  gap: 0.75rem;
}

.cdb-link-video::before {
  content: "▶";
  font-size: 0.75rem;
}

/* ----- Video modal (vide pour l'instant) ----- */
.cdb-video-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.cdb-video-overlay.is-open {
  display: flex;
}

.cdb-video-modal {
  background: #ffffff;
  border-radius: 16px;
  padding: 2rem;
  width: min(900px, 90vw);
  max-height: 80vh;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.4);
  position: relative;
}

.cdb-video-modal video {
  display: block;
  width: 100%;
  max-height: 70vh;
  border-radius: 12px;
}

.cdb-video-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: none;
  background: var(--cdb-accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.cdb-video-close:hover {
  background: var(--cdb-accent-hover);
}

@media (max-width: 900px) {
  .cdb-concept-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .cdb-concept-visual {
    order: -1;
  }

  .cdb-concept-img-float {
    right: 0.5rem;
    bottom: -1rem;
    width: 45%;
  }
}

/* ----- Pour qui ----- */
.cdb-pourqui {
  background: var(--cdb-bg);
}

.cdb-pourqui-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.cdb-pourqui-card {
  background: var(--cdb-surface);
  padding: 1.5rem;
  border-radius: var(--cdb-radius-sm);
  font-weight: 700;
  font-size: 1.0625rem;
  text-align: center;
  color: var(--cdb-text);
  border: 2px solid transparent;
  box-shadow: var(--cdb-shadow);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cdb-pourqui-card:hover {
  border-color: var(--cdb-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.cdb-pourqui-img {
  border-radius: var(--cdb-radius);
  overflow: hidden;
  box-shadow: var(--cdb-shadow-lg);
}

.cdb-pourqui-img img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

@media (max-width: 700px) {
  .cdb-pourqui-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ----- Travaux ----- */
.cdb-travaux {
  padding: 0;
}

.cdb-travaux-visual {
  position: relative;
  min-height: 45vh;
}

.cdb-travaux-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cdb-travaux-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 100%);
  display: flex;
  align-items: flex-end;
  padding-bottom: 3rem;
}

.cdb-travaux-overlay h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.cdb-travaux-overlay p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  font-size: 1.0625rem;
}

.cdb-travaux-list-wrap {
  padding: 2rem 1.5rem 2rem;
  position: relative;
  z-index: 1;
}

.cdb-travaux-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.cdb-travaux-list li {
  padding: 0.6rem 1.25rem;
  background: var(--cdb-surface);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--cdb-text);
  box-shadow: var(--cdb-shadow);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.cdb-travaux-list li:hover {
  background: var(--cdb-accent);
  color: #fff;
  transform: scale(1.03);
}

/* ----- Granulats ----- */
.cdb-granulats {
  background: var(--cdb-bg);
}

.cdb-granulats-header {
  max-width: 42rem;
  margin: 0 auto 2.5rem;
}

.cdb-granulats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.cdb-granulats-item {
  margin: 0;
  border-radius: var(--cdb-radius-sm);
  overflow: hidden;
  box-shadow: var(--cdb-shadow);
  background: var(--cdb-surface);
}

.cdb-granulats-item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.cdb-granulats-text {
  text-align: center;
  color: var(--cdb-muted);
  font-size: 0.98rem;
  max-width: 40rem;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .cdb-granulats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .cdb-granulats-grid {
    grid-template-columns: 1fr;
  }
}

/* ----- Prix ----- */
.bg-blue {
  background: linear-gradient(135deg, var(--cdb-accent) 0%, var(--cdb-accent-hover) 100%);
  color: #fff;
  padding: 2rem 1.5rem;
  text-align: center;
}

.bg-blue h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 800;
  margin: 0 0 0.5rem;
}

.bg-blue p {
  margin: 0 0 1.5rem;
  opacity: 0.95;
  font-size: 1.0625rem;
}

.cdb-btn-invert {
  background: #fff;
  color: var(--cdb-accent) !important;
}

.cdb-btn-invert:hover {
  background: var(--cdb-bg);
  transform: translateY(-2px);
}

/* ----- Contact ----- */
.cdb-contact {
  background: var(--cdb-surface);
  padding: 5rem 0;
}

.cdb-contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.cdb-contact-infos h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 1.5rem;
  color: var(--cdb-text);
}

.cdb-contact-item {
  margin-bottom: 1.25rem;
}

.cdb-contact-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cdb-muted);
  margin-bottom: 0.25rem;
}

.cdb-contact-item a,
.cdb-contact-item span {
  font-size: 1.0625rem;
  color: var(--cdb-text);
}

.cdb-contact-item a:hover {
  color: var(--cdb-accent);
}

.cdb-contact-fb {
  display: inline-block;
  margin-top: 1.5rem;
  font-weight: 600;
  color: var(--cdb-accent) !important;
}

.cdb-contact-fb:hover {
  text-decoration: underline;
}

.cdb-contact-form-wrap {
  background: var(--cdb-bg);
  padding: 2.5rem;
  border-radius: var(--cdb-radius);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.cdb-contact-form-wrap h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--cdb-text);
}

.cdb-form-intro {
  color: var(--cdb-muted);
  font-size: 0.9375rem;
  margin: 0 0 1.5rem;
}

.cdb-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.cdb-field {
  margin-bottom: 1rem;
}

.cdb-form-row .cdb-field {
  margin-bottom: 1rem;
}

.cdb-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--cdb-text);
}

.cdb-field input,
.cdb-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--cdb-radius-sm);
  background: var(--cdb-surface);
  color: var(--cdb-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cdb-field input:focus,
.cdb-field textarea:focus {
  outline: none;
  border-color: var(--cdb-accent);
  box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.15);
}

.cdb-field textarea {
  min-height: 120px;
  resize: vertical;
}

.cdb-btn-full {
  width: 100%;
  margin-top: 0.5rem;
  background: var(--cdb-accent);
  color: #fff;
  padding: 1rem;
}

.cdb-btn-full:hover {
  background: var(--cdb-accent-hover);
  transform: none;
  box-shadow: 0 4px 20px rgba(234, 88, 12, 0.35);
}

@media (max-width: 768px) {
  .cdb-contact-layout {
    grid-template-columns: 1fr;
  }

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

/* ----- Footer ----- */
.cdb-footer {
  background: linear-gradient(135deg, var(--cdb-accent) 0%, var(--cdb-dark) 80%);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 1.5rem 2.25rem;
}

.cdb-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.cdb-footer-logo {
  width: 25%;
}

.cdb-footer-brand p {
  margin: 0;
  font-size: 0.9375rem;
  max-width: 320px;
}

.cdb-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-size: 0.9rem;
}

.cdb-footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.cdb-footer-nav a:hover {
  text-decoration: underline;
}

.cdb-footer-copy {
  margin: 2rem 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  opacity: 0.8;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

@media (max-width: 600px) {
  .cdb-footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .cdb-footer-brand p {
    max-width: none;
  }
}

/* Nav: .scrolled ajouté via JS au scroll */