/* ============================================================
   VITRO TINT 41 — Global CSS
   Direction : Luxury Architecture / Liquid Glass
   ============================================================ */

:root {
  --c-navy: #0A1628;
  --c-navy-mid: #0F2242;
  --c-blue: #1A6FFF;
  --c-blue-light: #3B8AFF;
  --c-blue-pale: #EBF2FF;
  --c-white: #F8F9FB;
  --c-white-pure: #ffffff;
  --c-grey-50: #F4F6FA;
  --c-grey-100: #E8EBF2;
  --c-grey-300: #B8C0D0;
  --c-grey-500: #6B7A99;
  --c-grey-700: #3A4460;
  --c-orange: #FF6B35;
  --c-text: #0A1628;
  --c-text-light: #6B7A99;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --shadow-sm: 0 2px 12px rgba(10,22,40,0.06);
  --shadow-md: 0 8px 32px rgba(10,22,40,0.10);
  --shadow-lg: 0 24px 64px rgba(10,22,40,0.14);
  --shadow-blue: 0 8px 32px rgba(26,111,255,0.22);

  --nav-h: 80px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  --container-w: 1200px;
  --gutter: clamp(20px, 5vw, 80px);
}

/* ---- 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(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; border: none; background: none; }
svg { display: block; }

/* ---- CONTAINER ---- */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---- SKIP LINK accessibilité ---- */
.skip-link {
  position: absolute;
  top: -60px;
  left: 0;
  background: #1a1a1a;
  color: #fff;
  padding: 10px 20px;
  z-index: 9999;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

/* ---- Screen-reader only ---- */
.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;
}

/* ---- Breadcrumb nav ---- */
.breadcrumb-nav {
  padding: 14px 0;
  background: #f7f6f4;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}
.breadcrumb {
  list-style: none;
  margin: 0 auto;
  padding: 0 clamp(20px,5vw,80px);
  max-width: 1200px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8125rem;
  color: #888;
}
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #bbb; }
.breadcrumb a { color: #666; text-decoration: none; }
.breadcrumb a:hover { color: #b8a690; text-decoration: underline; }

/* ---- CURSOR — désactivé, curseur système par défaut ---- */
.cursor, .cursor-follower { display: none; }

/* ---- LOADER ---- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--c-navy);
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.loader-vt { width: 60px; height: 60px; }
.loader-text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.5);
}
.loader-bar {
  width: 200px;
  height: 1px;
  background: rgba(255,255,255,0.12);
  border-radius: 1px;
  overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  background: var(--c-blue);
  width: 0%;
  transition: width 0.05s linear;
}

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(248,249,251,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  border-color: var(--c-grey-100);
}
.nav-container {
  height: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--c-white-pure);
  transition: color 0.4s;
}
.navbar.scrolled .nav-logo { color: var(--c-navy); }
.nav-logo-svg { width: 36px; height: 36px; }
.nav-logo-img {
  height: 88px;
  width: auto;
  object-fit: contain;
  display: block;
}
.footer-logo .nav-logo-img {
  height: 68px;
  width: auto;
  object-fit: contain;
}
.loader-logo-img {
  height: 110px;
  width: auto;
  object-fit: contain;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1; }
.nav-logo-name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: currentColor;
}
.nav-logo-num {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 300;
  color: var(--c-blue);
  line-height: 1.1;
}
.nav-links {
  display: flex;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  padding: 6px 14px;
  border-radius: 100px;
  transition: color 0.25s, background 0.25s;
  letter-spacing: 0.01em;
}
.navbar.scrolled .nav-link { color: var(--c-grey-500); }
.nav-link:hover, .nav-link.active {
  color: var(--c-white-pure);
  background: rgba(255,255,255,0.12);
}
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
  color: var(--c-navy);
  background: var(--c-grey-50);
}
.btn-nav {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-white-pure);
  background: var(--c-blue);
  padding: 9px 20px;
  border-radius: 100px;
  letter-spacing: 0.01em;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  white-space: nowrap;
}
.btn-nav:hover {
  background: var(--c-blue-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: white;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, background 0.4s;
}
.navbar.scrolled .nav-burger span { background: var(--c-navy); }
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(24px);
  padding: 24px var(--gutter) 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  transform: translateY(-20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s var(--ease-out), opacity 0.35s;
}
.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav-mobile ul { display: flex; flex-direction: column; gap: 4px; }
.nav-mobile a {
  display: block;
  padding: 14px 16px;
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-mobile a:hover { color: white; background: rgba(255,255,255,0.07); }
.btn-mobile-devis {
  margin-top: 8px;
  background: var(--c-blue) !important;
  color: white !important;
  text-align: center;
  font-weight: 500;
  border-radius: 100px !important;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-white-pure);
  background: var(--c-blue);
  padding: 14px 28px;
  border-radius: 100px;
  transition: background 0.25s, transform 0.2s var(--ease-out), box-shadow 0.25s;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: var(--c-blue-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(26,111,255,0.3);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  padding: 14px 28px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.25);
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  color: white;
  border-color: rgba(255,255,255,0.45);
  transform: translateY(-1px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-blue);
  padding: 13px 28px;
  border-radius: 100px;
  border: 1.5px solid var(--c-blue);
  transition: background 0.25s, color 0.25s, transform 0.2s, box-shadow 0.25s;
}
.btn-secondary:hover {
  background: var(--c-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}
.btn-primary-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-navy);
  background: var(--c-white-pure);
  padding: 14px 28px;
  border-radius: 100px;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
}
.btn-primary-light:hover {
  background: var(--c-grey-50);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255,255,255,0.2);
}

/* ---- SECTION COMMONS ---- */
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-blue);
  background: var(--c-blue-pale);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.section-tag.light {
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.1);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-navy);
  letter-spacing: -0.01em;
}
.section-title.light { color: var(--c-white-pure); }
.section-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-grey-500);
  max-width: 560px;
  margin-top: 16px;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-sub { margin-left: auto; margin-right: auto; }

/* ---- REVEAL ANIMATIONS ---- */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-card {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-step {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal-step.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---- FOOTER ---- */
.footer {
  background: var(--c-navy);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { margin-bottom: 20px; }
.footer-tagline {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
  margin-bottom: 24px;
}
.footer-socials { display: flex; gap: 12px; }
.social-link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.social-link:hover {
  border-color: var(--c-blue);
  color: var(--c-blue);
  background: rgba(26,111,255,0.08);
}
.social-link svg { width: 16px; height: 16px; }
.footer-nav-group h4 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 20px;
}
.footer-nav-group ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-group a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-nav-group a:hover { color: white; }
.footer-hours {
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
}
.footer-hours li {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}
.footer-zone {
  margin-top: 24px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.4);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.footer-zone svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--c-blue);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: rgba(255,255,255,0.3); transition: color 0.2s; }
.footer-legal a:hover { color: rgba(255,255,255,0.6); }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--c-white); }
::-webkit-scrollbar-thumb { background: var(--c-grey-300); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-blue); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-links, .btn-nav { display: none; }
  .nav-burger { display: flex; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }
}