/* ===== Brand Variables ===== */
/* Extracted from logo: dark near-black #11161d, french blue #2b3279, french red #d2392f */
/* Machine body: dark blue-grey #2a313c */
:root {
  --color-dark: #11161d;
  --color-blue: #2b3279;
  --color-accent: #11161d;
  --color-accent-hover: #2a313c;
  --color-flag-blue: #002654;
  --color-flag-red: #CE1126;
  --color-slate: #2a313c;
  --color-slate-light: #3d4654;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f5f7;
  --color-bg-warm: #fafafa;
  --color-text: #2c2c2c;
  --color-text-light: #5a5e66;
  --color-text-on-dark: #ffffff;
  --color-border: #dfe1e6;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --max-width: 1200px;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 4px rgba(17,22,29,0.06);
  --shadow: 0 4px 16px rgba(17,22,29,0.08);
  --shadow-lg: 0 8px 32px rgba(17,22,29,0.12);
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

/* ===== Utilities ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  max-width: 620px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

/* French flag decorative underline */
.flag-line {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 2rem;
}

.flag-line span {
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 2px;
}

.flag-line .fl-blue { background: var(--color-flag-blue); }
.flag-line .fl-white { background: var(--color-border); }
.flag-line .fl-red { background: var(--color-flag-red); }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.8rem 1.85rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-text-on-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(17,22,29,0.25);
}

.hero .btn-primary {
  background: #fff;
  color: var(--color-dark);
  border-color: #fff;
}

.hero .btn-primary:hover {
  background: #e8e9ec;
  border-color: #e8e9ec;
  color: var(--color-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: var(--color-text-on-dark);
}

.btn-secondary:hover {
  background: var(--color-text-on-dark);
  color: var(--color-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn-outline:hover {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.5rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link img {
  height: 44px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.main-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: relative;
}

.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.main-nav a:not(.btn):hover::after {
  width: 100%;
}

.main-nav a:not(.btn):hover {
  color: var(--color-dark);
}

.main-nav .btn {
  padding: 0.55rem 1.4rem;
  font-size: 0.85rem;
}

.main-nav a.btn-primary {
  color: var(--color-text-on-dark);
}

.main-nav a.btn-primary:hover {
  color: var(--color-text-on-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 1px;
}

/* ===== Hero ===== */
.hero {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: none;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  max-height: 420px;
  width: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 16px 48px rgba(0,0,0,0.4));
}

/* ===== Reassurance ===== */
.reassurance {
  background: var(--color-bg);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.reassurance-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  text-align: center;
}

.reassurance-item {
  padding: 1.25rem 0.75rem;
}

.reassurance-icon {
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.reassurance-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-dark);
}

.reassurance-item h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}

.reassurance-item p {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ===== How It Works ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.step {
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--color-text-light);
  font-size: 0.92rem;
}

/* ===== Models ===== */
.models {
  background: var(--color-bg-alt);
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

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

.model-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.model-card.featured {
  border-color: var(--color-dark);
  border-width: 2px;
}

.model-image {
  background: var(--color-bg-alt);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  cursor: zoom-in;
}

.model-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 64px rgba(0,0,0,0.5);
  transform: scale(0.92);
  transition: transform 0.3s ease;
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox-close:hover {
  opacity: 1;
}

.model-image-placeholder {
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-style: italic;
}

.model-body {
  padding: 1.5rem;
}

.model-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.model-specs {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.model-specs li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-bg-alt);
  display: flex;
  justify-content: space-between;
}

.model-specs li:last-child {
  border: none;
}

.model-specs li span:last-child {
  font-weight: 600;
  color: var(--color-text);
}

.model-badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Sectors ===== */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.sector-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.25rem;
  text-align: center;
  transition: all var(--transition);
}

.sector-card:hover {
  border-color: var(--color-blue);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.sector-icon {
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sector-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-dark);
}

.sector-card h3 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-dark);
}

.sector-card p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* ===== Refurbished / RSE ===== */
.reconditionne {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  position: relative;
}

.reconditionne::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: none;
  pointer-events: none;
}

.reconditionne > .container {
  position: relative;
  z-index: 1;
}

.reconditionne .section-title {
  color: var(--color-text-on-dark);
}

.reconditionne .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.rse-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.rse-card {
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition);
}

.rse-card:hover {
  background: rgba(255,255,255,0.1);
}

.rse-card h3 {
  color: var(--color-text-on-dark);
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.rse-card h3 .rse-icon {
  margin-right: 0.5rem;
}

.rse-card p {
  opacity: 0.8;
  line-height: 1.7;
  font-size: 0.92rem;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.6rem;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 1.15rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-dark);
  background: var(--color-bg);
  transition: background var(--transition);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--color-bg-alt);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 0.93rem;
}

/* ===== Contact CTA ===== */
.contact {
  background: var(--color-bg-alt);
}

.contact-cta {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.contact-cta p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 2rem;
  word-break: break-all;
}

.contact-email::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='2' y='4' width='20' height='16' rx='2'/%3E%3Cpath d='M22 4L12 13 2 4'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='2' y='4' width='20' height='16' rx='2'/%3E%3Cpath d='M22 4L12 13 2 4'/%3E%3C/svg%3E") center/contain no-repeat;
  flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-brand p {
  opacity: 0.7;
  font-size: 0.88rem;
  line-height: 1.6;
}

.site-footer h4,
.footer-heading {
  color: var(--color-text-on-dark);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-text-on-dark);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  opacity: 0.65;
}

.footer-bottom a {
  color: rgba(255,255,255,0.6);
}

.footer-bottom a:hover {
  color: var(--color-text-on-dark);
}

.footer-flag {
  display: flex;
  gap: 3px;
}

.footer-flag span {
  width: 20px;
  height: 3px;
  border-radius: 1px;
}

/* ===== Accessibility ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only:focus-visible {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: 0.75rem 1.5rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  font-weight: 700;
  z-index: 200;
}

:focus-visible {
  outline: 2px solid var(--color-dark);
  outline-offset: 2px;
}

.site-header :focus-visible,
.hero :focus-visible {
  outline-color: var(--color-dark);
}

.site-footer :focus-visible,
.reconditionne :focus-visible {
  outline-color: #ffffff;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .reassurance-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  /* Nav mobile */
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    gap: 0;
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    padding: 0.75rem 0;
  }

  .main-nav a:not(.btn)::after {
    display: none;
  }

  .main-nav .btn {
    margin-top: 0.5rem;
    width: 100%;
  }

  /* Hero */
  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .hero-visual img {
    max-height: 280px;
  }

  /* Grids */
  .reassurance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .step {
    padding: 1.25rem;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
  }

  .footer-links li {
    margin-bottom: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.45rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

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

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

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .logo-link img {
    height: 36px;
  }
}