/* ==========================================================================
   DMK Cars — Design system
   Signature : coupes diagonales inspirées de la lame du "K" du logo.
   ========================================================================== */

:root {
  --clr-black: #0d0d0d;      /* Noir Carbone — fond */
  --clr-surface: #171717;    /* Gris Atelier — panneaux */
  --clr-surface-2: #202020;  /* variante de panneau */
  --clr-border: #2c2c2c;
  --clr-red: #ee2926;        /* Rouge DMK — signature, issu du logo */
  --clr-red-dark: #a31d1a;   /* Rouge Braise — hover/profondeur */
  --clr-white: #f5f5f2;      /* Blanc Poli — texte */
  --clr-muted: #9a9a95;      /* Gris Acier — texte secondaire */

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Public Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --cut: 18px; /* amplitude standard de la coupe diagonale signature */
  --container-pad: 1.25rem;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

html { scroll-behavior: smooth; }

body {
  background: var(--clr-black);
  color: var(--clr-white);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .font-display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-weight: 600;
  color: var(--clr-white);
}

a { color: var(--clr-white); text-decoration: none; }
a:hover { color: var(--clr-red); }

:focus-visible {
  outline: 2px solid var(--clr-red);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-red);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  margin-bottom: 1.25rem;
}

.section-text {
  color: var(--clr-muted);
  font-size: 1.05rem;
  max-width: 46rem;
}

.section-text-wide { max-width: 56rem; }

.section { padding: 5rem 0; }
.section-alt { background: var(--clr-surface); }

/* ---- Boutons signature (coupe diagonale) ---- */

.btn-signature,
.btn-outline-signature {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.85rem 1.9rem 0.85rem 1.5rem;
  border: none;
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.btn-signature {
  background: var(--clr-red);
  color: var(--clr-black);
}
.btn-signature:hover,
.btn-signature:focus-visible {
  background: var(--clr-red-dark);
  color: var(--clr-white);
  transform: translateY(-1px);
}

.btn-outline-signature {
  background: transparent;
  color: var(--clr-white);
  box-shadow: inset 0 0 0 1.5px var(--clr-border);
}
.btn-outline-signature:hover,
.btn-outline-signature:focus-visible {
  box-shadow: inset 0 0 0 1.5px var(--clr-red);
  color: var(--clr-red);
}

.btn-signature-label { display: inline-flex; align-items: center; gap: 0.5rem; }
.icon-phone { flex-shrink: 0; }

/* ---- Header / Nav ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--clr-border);
  background: rgba(13, 13, 13, 0.97);
}

.site-nav { padding: 0.85rem 0; }
.navbar-brand img { display: block; height: 34px; width: auto; }

.site-nav .nav-link {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--clr-white);
  padding: 0.5rem 0.75rem;
  position: relative;
}
.site-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.3rem;
  height: 2px;
  background: var(--clr-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.site-nav .nav-link:hover::after,
.site-nav .nav-link.is-active::after { transform: scaleX(1); }

.navbar-toggler {
  border: none;
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.navbar-toggler:focus { box-shadow: none; }
.toggler-bar { width: 24px; height: 2px; background: var(--clr-white); display: block; }

.navbar-collapse {
  background: var(--clr-black);
}
@media (max-width: 991.98px) {
  .navbar-collapse { padding: 1rem 0 0.5rem; border-top: 1px solid var(--clr-border); margin-top: 0.85rem; }
  .site-nav .nav-link { padding: 0.6rem 0.25rem; }
}

/* ---- Hero ---- */

.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
  background: linear-gradient(180deg, var(--clr-black) 0%, #101010 100%);
}

.hero-cut {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 62%, rgba(238, 41, 38, 0.12) 62%, rgba(238, 41, 38, 0.12) 63.5%, transparent 63.5%);
  pointer-events: none;
}

.hero-title { font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); line-height: 1.08; margin-bottom: 1.25rem; }
.hero-lead { color: var(--clr-muted); font-size: 1.1rem; max-width: 32rem; margin-bottom: 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.25rem; }

.hero-trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--clr-muted);
}
.hero-trust li { position: relative; padding-left: 1.1rem; }
.hero-trust li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 7px;
  height: 7px;
  background: var(--clr-red);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}

.hero-visual { position: relative; }
.hero-visual img { width: 100%; height: auto; display: block; }
.ref-tag {
  position: absolute;
  bottom: -14px;
  right: 12px;
  background: var(--clr-red);
  color: var(--clr-black);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 0.45rem 1rem 0.45rem 0.8rem;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 60%);
}

/* ---- Check list ---- */

.check-list { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: 0.75rem; }
.check-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--clr-white);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 10px;
  height: 10px;
  background: transparent;
  box-shadow: inset 0 0 0 1.5px var(--clr-red);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}

.section-illu { width: 100%; height: auto; display: block; }

/* ---- Étapes (comment ça marche) ---- */

.steps-row { margin-top: 2rem; }
.step-card {
  background: var(--clr-black);
  border: 1px solid var(--clr-border);
  padding: 2rem 1.5rem 1.75rem;
  height: 100%;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.section-alt .step-card { background: var(--clr-surface-2); }
.step-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--clr-red);
  margin-bottom: 0.75rem;
}
.step-title { font-size: 1.05rem; margin-bottom: 0.6rem; }
.step-card p { color: var(--clr-muted); font-size: 0.95rem; margin: 0; }

/* ---- Véhicules ---- */

.vehicle-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}
.vehicle-card img { width: 100%; height: auto; display: block; }
.vehicle-card-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
  padding: 0.9rem 1.1rem;
  margin: 0;
  border-top: 1px solid var(--clr-border);
}

/* ---- Feature cards (pourquoi nous) ---- */

.feature-card {
  height: 100%;
  padding: 0.5rem 0.25rem;
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  color: var(--clr-red);
  background: var(--clr-black);
  box-shadow: inset 0 0 0 1px var(--clr-border);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  margin-bottom: 1rem;
}
.section-alt .feature-icon { background: var(--clr-surface-2); }
.feature-title { font-size: 1rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--clr-muted); font-size: 0.92rem; margin: 0; }

/* ---- Contact ---- */

.contact-list { list-style: none; padding: 0; margin: 1.75rem 0; display: grid; gap: 1.1rem; }
.contact-list-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 0.2rem;
}
.contact-list-value { font-size: 1.05rem; }
.contact-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

.contact-map {
  border: 1px solid var(--clr-border);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  overflow: hidden;
  line-height: 0;
}

/* ---- Footer ---- */

.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: 4rem 0 1.75rem;
  margin-top: 2rem;
}
.footer-baseline { color: var(--clr-muted); max-width: 20rem; }
.footer-social { display: flex; gap: 0.75rem; margin-top: 1rem; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--clr-white);
  box-shadow: inset 0 0 0 1px var(--clr-border);
}
.footer-social a:hover { color: var(--clr-red); box-shadow: inset 0 0 0 1px var(--clr-red); }

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 1rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.footer-links a { color: var(--clr-white); }
.footer-links a:hover { color: var(--clr-red); }

.footer-address { font-style: normal; color: var(--clr-muted); line-height: 1.8; }
.footer-address a { color: var(--clr-white); }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--clr-muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 1.5rem;
}
.footer-bottom p { margin: 0; }
.footer-credit a { color: var(--clr-muted); }
.footer-credit a:hover { color: var(--clr-red); }

/* ---- Reveal on scroll ---- */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}