/* =============================================================
   Art direction: Detailing automobile mobile — Amiens, Somme
   Palette partagée: surfaces neutres, accents par page
   Typography: Boska (display) + Satoshi (body)
   Density: spacious (site vitrine premium)
   ============================================================= */

/* ── Tokens communs ── */
:root {
  /* Type scale */
 --text-xs:   clamp(0.72rem, 0.68rem + 0.2vw, 0.82rem);
--text-sm:   clamp(0.82rem, 0.77rem + 0.28vw, 0.94rem);
--text-base: clamp(0.95rem, 0.9rem + 0.2vw, 1.02rem);
--text-lg:   clamp(1.02rem, 0.96rem + 0.55vw, 1.28rem);
--text-xl:   clamp(1.3rem, 1.1rem + 0.95vw, 1.9rem);
--text-2xl:  clamp(1.7rem, 1.05rem + 2vw, 2.8rem);
--text-3xl:  clamp(2.1rem, 0.95rem + 3.2vw, 4rem);
--text-hero: clamp(2.5rem, 0.6rem + 5.5vw, 6.5rem);

  /* Espacement */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Largeurs contenu */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Fonts */
  --font-display: 'Boska', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

button { cursor: pointer; background: none; border: none; }
table  { border-collapse: collapse; width: 100%; }
a      { text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* ── Utilitaires communs ── */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--narrow  { max-width: var(--content-narrow);  margin-inline: auto; padding-inline: var(--space-6); }
.container--default { max-width: var(--content-default); margin-inline: auto; padding-inline: var(--space-6); }

/* ── Navigation commune ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem var(--space-6);
}

.site-header.scrolled {
  background: var(--color-header-bg);
  box-shadow: 0 2px 24px oklch(0 0 0 / 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-logo {
  display: flex;
  align-items: center;
  height: 100%;
  flex-shrink: 0;
}

.nav-logo-img {
  display: block;
  width: auto;
  height: 110px;
  max-height: none;
  transform: scale(1.35);
  transform-origin: left center;
}

.nav-logo:hover { opacity: 0.8; }

.nav-logo svg { flex-shrink: 0; }



.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--color-text); }

.nav-switcher {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-switcher:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
  background: color-mix(in oklch, var(--color-accent) 8%, transparent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in oklch, var(--color-accent) 40%, transparent);
}

/* Mobile nav */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 99;
  background: var(--color-mobile-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-24) var(--space-6) var(--space-12);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(82vw, 320px);
  min-height: 58px;
  padding: 0.95rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  background: color-mix(in oklch, var(--color-accent) 6%, white);
  border: 1px solid color-mix(in oklch, var(--color-accent) 14%, white);
  box-shadow: 0 8px 22px rgba(13, 31, 53, 0.06);
  transition:
    color var(--transition),
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.nav-mobile a:hover {
  color: var(--color-accent);
  background: color-mix(in oklch, var(--color-accent) 10%, white);
  border-color: color-mix(in oklch, var(--color-accent) 22%, white);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(13, 31, 53, 0.10);
}

.nav-mobile a.btn.btn-primary.btn-lg {
  margin-top: var(--space-2);
  background: linear-gradient(135deg, #2f95d1 0%, #2186C4 55%, #1a6da0 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 14px 30px color-mix(in oklch, var(--color-accent) 28%, transparent);
}

.nav-mobile a.btn.btn-primary.btn-lg:hover {
  color: #ffffff;
  background: linear-gradient(135deg, #43a4dc 0%, #2a90cf 55%, #1f78b2 100%);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px color-mix(in oklch, var(--color-accent) 34%, transparent);
}

/* ── Footer commun ── */
.site-footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) var(--space-6) var(--space-8);
}
.footer-grid {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}
.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
}
.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col ul a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--color-accent); }
.footer-bottom {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ── Sections communes ── */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}
.section-subtext {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 55ch;
}

/* ── Boutons communs ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px color-mix(in oklch, var(--color-accent) 35%, transparent);
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: color-mix(in oklch, var(--color-accent) 6%, transparent);
}
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

/* ── Animations scroll ── */
.fade-in { opacity: 1; }

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

.reveal-up { opacity: 1; }
@supports (animation-timeline: scroll()) {
  .reveal-up {
    clip-path: inset(30% 0 0 0);
    opacity: 0;
    animation: reveal-up-anim linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 70%;
  }
}
@keyframes reveal-up-anim { to { clip-path: inset(0 0 0 0); opacity: 1; } }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links, .nav-cta.desktop-only { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-cta--devis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 40px;
  padding: 0.62rem 1rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #2f95d1 0%, #2186C4 55%, #1a6da0 100%);
  color: #ffffff;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  border: 1px solid color-mix(in oklch, white 20%, var(--color-accent) 80%);
  box-shadow:
    0 10px 24px color-mix(in oklch, var(--color-accent) 28%, transparent),
    inset 0 1px 0 rgba(255,255,255,0.22);
}

.nav-cta--devis:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #36a0de 0%, #2790d0 55%, #1c74aa 100%);
  box-shadow:
    0 14px 30px color-mix(in oklch, var(--color-accent) 34%, transparent),
    inset 0 1px 0 rgba(255,255,255,0.28);
}

.nav-cta--devis:active {
  transform: translateY(0);
}

.nav-cta-icon {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
  flex-shrink: 0;
}


.site-footer {
  overflow: hidden;
}

.footer-grid {
  align-items: start;
}

.footer-brand {
  min-width: 0;
}

.footer-brand p {
  max-width: 32ch;
  line-height: 1.75;
}

.footer-col,
.footer-col ul,
.footer-col li,
.footer-col a {
  min-width: 0;
}

.footer-col ul {
  gap: var(--space-3);
}

.footer-col ul a {
  display: inline-block;
  line-height: 1.6;
}

.footer-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4) var(--space-8);
}

.footer-bottom span {
  min-width: 0;
  display: block;
  line-height: 1.6;
}

.footer-bottom span:first-child {
  max-width: 60ch;
}

.footer-bottom span:last-child {
  text-align: right;
  justify-self: end;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-brand p {
    max-width: 40ch;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    text-align: center;
  }

  .footer-bottom span:first-child,
  .footer-bottom span:last-child {
    max-width: none;
    text-align: center;
    justify-self: center;
  }
}

@media (max-width: 520px) {
  .site-footer {
    padding: var(--space-12) var(--space-5) var(--space-8);
  }

  .footer-grid {
    gap: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .footer-brand p,
  .footer-col ul a,
  .footer-bottom span {
    line-height: 1.7;
  }

  .footer-bottom {
    padding-top: var(--space-6);
  }
}