/* ============================================================
   ONYX Covering — feuille de style
   Palette : noir profond, blanc cassé, accent bronze
   ============================================================ */

:root {
  --bg: #0b0b0c;
  --bg-alt: #111113;
  --surface: #17171a;
  --line: #26262a;
  --text: #ececea;
  --text-dim: #9a9a96;
  --accent: #b98a5a;
  --accent-soft: rgba(185, 138, 90, 0.14);
  --radius: 6px;
  --font: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 760px; }

/* ---------- Typographie ---------- */

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }

h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.15rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.section__intro { color: var(--text-dim); max-width: 560px; margin-top: 14px; }

/* ---------- Boutons ---------- */

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn--primary { background: var(--accent); color: #0b0b0c; font-weight: 600; position: relative; overflow: hidden; }
.btn--primary:hover { background: #cda06e; }
.btn--primary::after {
  content: "";
  position: absolute; top: 0; left: -70%;
  width: 40%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
}
.btn--primary:hover::after { left: 130%; }
.btn--ghost { border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--full { width: 100%; }

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(11, 11, 12, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav--hidden { transform: translateY(-100%); }
.nav__links a.is-active { color: var(--accent); }
.nav__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav__brand span { color: var(--accent); font-weight: 400; }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text); }
.nav__cta {
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  padding: 8px 18px;
  border-radius: var(--radius);
}
.nav__cta:hover { background: var(--accent-soft); }
.nav__burger { display: none; background: none; border: none; cursor: pointer; }
.nav__burger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); margin: 5px 0; transition: 0.25s;
}

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

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 55% at 50% 110%, rgba(185, 138, 90, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(11, 11, 12, 0.72) 0%, rgba(11, 11, 12, 0.45) 55%, rgba(11, 11, 12, 0.88) 100%),
    url("../images/hero-panamera.jpg") center 65% / cover no-repeat,
    #0b0b0c;
}
.hero__bg::after {
  content: "";
  position: absolute; inset: auto 0 18% 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(185,138,90,0.5), transparent);
}
.hero__bg { will-change: transform; }
.hero__content { position: relative; padding: 120px 24px 80px; max-width: 860px; }
.hero__sub { color: var(--text-dim); max-width: 520px; margin: 24px auto 40px; }
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Animation d'entrée du hero */
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.line__inner {
  display: inline-block;
  transform: translateY(115%);
  animation: line-up 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero__title .line:nth-child(2) .line__inner { animation-delay: 0.18s; }
@keyframes line-up { to { transform: translateY(0); } }

.hero__content .eyebrow,
.hero__sub,
.hero__actions {
  opacity: 0;
  animation: fade-up 0.9s ease forwards;
}
.hero__content .eyebrow { animation-delay: 0.05s; }
.hero__sub { animation-delay: 0.55s; }
.hero__actions { animation-delay: 0.75s; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__scroll {
  position: absolute; bottom: 28px; left: 50%;
  width: 24px; height: 40px; margin-left: -12px;
  border: 1px solid var(--line); border-radius: 12px;
}
.hero__scroll span {
  position: absolute; top: 8px; left: 50%;
  width: 3px; height: 8px; margin-left: -1.5px;
  background: var(--accent); border-radius: 2px;
  animation: scrollhint 1.8s infinite ease-in-out;
}
@keyframes scrollhint {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(12px); opacity: 0; }
}

/* ---------- Sections ---------- */

.section { padding: 110px 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section__head { margin-bottom: 56px; }
.section--contact { padding-bottom: 130px; }

/* ---------- Cards coverings ---------- */

.grid--3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
}
/* Halo lumineux suivant le curseur (variables --mx/--my posées en JS) */
.card::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(185, 138, 90, 0.14), transparent 45%);
}
.card:hover::before { opacity: 1; }
.card__visual {
  height: 200px;
  position: relative;
  background-size: cover;
  background-position: center;
  filter: saturate(0.85);
  transition: filter 0.3s ease;
}
.card:hover .card__visual { filter: saturate(1.05); }
.card__visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--surface));
}
.card__visual--total   { background-image: url("../images/card-total.jpg"); }
.card__visual--teinte  { background-image: url("../images/card-teinte.jpg"); }
.card__visual--mat     { background-image: url("../images/card-mat.jpg"); background-position: center 70%; }
.card__visual--partiel { background-image: url("../images/card-partiel.jpg"); }
.card__visual--blackout{ background-image: url("../images/card-blackedition.jpg"); }
.card__visual--ppf     { background-image: url("../images/card-ppf.jpg"); }
.card__body { padding: 26px 26px 30px; }
.card__body p { color: var(--text-dim); font-size: 0.93rem; margin: 10px 0 18px; }
.card__tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---------- Stats ---------- */

.stats { border-block: 1px solid var(--line); background: var(--bg-alt); }
.stats__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.stat { padding: 44px 12px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat strong {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

/* ---------- Marquee ---------- */

.marquee {
  overflow: hidden;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group {
  display: flex;
  align-items: center;
  gap: 56px;
  padding-right: 56px;
}
.marquee__group span {
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: transparent;
  -webkit-text-stroke: 1px rgba(236, 236, 234, 0.35);
  transition: color 0.3s ease;
}
.marquee__group span:hover { color: var(--accent); -webkit-text-stroke-color: transparent; }
.marquee__group i { color: var(--accent); font-style: normal; font-size: 0.6rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Split flottes ---------- */

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split__text p { color: var(--text-dim); margin-top: 16px; }
.checklist { list-style: none; margin: 28px 0 36px; }
.checklist li {
  padding: 10px 0 10px 30px;
  position: relative;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.checklist li::before {
  content: "—";
  position: absolute; left: 0;
  color: var(--accent);
}
.fleet-mosaic { display: grid; gap: 16px; }
.fleet-mosaic__tile {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  height: 140px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  filter: saturate(0.8);
}
.fleet-mosaic__tile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent, rgba(11, 11, 12, 0.35));
}
.fleet-mosaic__tile:nth-child(1) { background-image: url("../images/fleet-truck.jpg"); }
.fleet-mosaic__tile:nth-child(2) { background-image: url("../images/fleet-lineup.jpg"); transform: translateX(24px); }
.fleet-mosaic__tile:nth-child(3) { background-image: url("../images/fleet-suv.jpg"); }

/* ---------- Processus ---------- */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.step__num {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.step p { color: var(--text-dim); font-size: 0.92rem; margin-top: 8px; }

/* ---------- Galerie ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery__item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.gallery__item figcaption {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
}
.gallery__item {
  background-size: cover;
  background-position: center;
  filter: saturate(0.9);
  transition: filter 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.gallery__item:hover {
  filter: saturate(1.15) brightness(1.06);
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
}
.gallery__item figcaption {
  transform: translateY(6px);
  opacity: 0.75;
  transition: transform 0.35s ease, opacity 0.35s ease;
}
.gallery__item:hover figcaption { transform: translateY(0); opacity: 1; }
.gallery__item--a { background-image: url("../images/gal-supercar.jpg"); }
.gallery__item--b { background-image: url("../images/gal-coupe-bleu.jpg"); }
.gallery__item--c { background-image: url("../images/gal-citadine.jpg"); }
.gallery__item--d { background-image: url("../images/gal-jaune.jpg"); background-position: center 60%; }
.gallery__item--e { background-image: url("../images/card-mat.jpg"); background-position: center 75%; }
.gallery__item--f { background-image: url("../images/hero-panamera.jpg"); }

/* ---------- FAQ ---------- */

.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 40px 22px 0;
  font-weight: 600;
  position: relative;
  transition: color 0.2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 4px; top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 400;
  transition: transform 0.25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--accent); }
.faq details p { color: var(--text-dim); padding: 0 0 24px; max-width: 640px; }
.faq details[open] p { animation: faq-open 0.4s ease both; }
@keyframes faq-open {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Formulaire ---------- */

.form { display: grid; gap: 20px; }
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form label {
  display: grid;
  gap: 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}
.form input, .form select, .form textarea {
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 16px;
  transition: border-color 0.2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form textarea { resize: vertical; }
.form__consent {
  display: flex !important;
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-size: 0.85rem !important;
}
.form__consent input { width: 16px; height: 16px; margin-top: 3px; accent-color: var(--accent); }
.form__success {
  text-align: center;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 14px;
}

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

.footer { border-top: 1px solid var(--line); background: var(--bg-alt); }
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-block: 56px;
}
.footer__meta { color: var(--text-dim); font-size: 0.9rem; margin-top: 10px; }
.footer__meta a:hover { color: var(--accent); }
.footer__legal {
  border-top: 1px solid var(--line);
  padding-block: 22px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ---------- Animations reveal ---------- */

/* Masqué uniquement si JS est actif (sinon contenu visible d'office) */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.is-visible { opacity: 1; transform: none; }
/* Une fois l'apparition terminée, transitions courtes pour le tilt/hover */
.reveal.is-revealed {
  transition: transform 0.16s ease-out, border-color 0.3s ease,
    box-shadow 0.3s ease, filter 0.3s ease, opacity 0.7s ease;
}

/* ---------- Barre de progression ---------- */

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #e6bc8a);
  z-index: 200;
  pointer-events: none;
}

/* ---------- Curseur lumineux ---------- */

.cursor-glow {
  position: fixed;
  top: -220px; left: -220px;
  width: 440px; height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(185, 138, 90, 0.07), transparent 60%);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 90;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll span { animation: none; }
  .marquee__track { animation: none; }
  .line__inner { animation: none; transform: none; }
  .hero__content .eyebrow, .hero__sub, .hero__actions { animation: none; opacity: 1; }
  .faq details[open] p { animation: none; }
  .cursor-glow { display: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .stats__row { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .footer__inner { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 640px) {
  .section { padding: 80px 0; }
  .grid--3, .steps, .gallery, .form__row { grid-template-columns: 1fr; }

  .nav__burger { display: block; }
  .nav__links {
    position: fixed;
    top: 68px; right: 0; left: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    display: none;
  }
  .nav__links.is-open { display: flex; }
}