/* ============ VolantParis ============
   Premium automotive design system
   Matte black · charcoal · metallic silver · deep red
   8px spacing grid — Space Grotesk / Inter        */
:root {
  --black: #111111;
  --charcoal: #1E1E1E;
  --silver: #BFC5C9;
  --red: #C1121F;
  --white: #FFFFFF;
  --gray: #F6F6F6;
  --ink: #111111;
  --muted: #5f646a;
  --line: #e6e8ea;
  --r-card: 18px;
  --r-btn: 14px;
  --r-ui: 16px;
  --font-display: "Space Grotesk", "Manrope", -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-soft: 0 1px 2px rgba(17, 17, 17, 0.04), 0 12px 32px rgba(17, 17, 17, 0.06);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stitch-anim, .btn, .tile, .mat-card, .review-card { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
  font-size: 18px;
}

a { color: inherit; text-decoration: none; }
p a, .section-sub a { color: var(--red); font-weight: 500; }
a:hover { text-decoration: none; }
p a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
  font-weight: 700;
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 32px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 36px; height: 36px; }
.brand-name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; }
.brand-accent { color: var(--red); }

.site-nav { display: flex; gap: 24px; }
.site-nav a { color: var(--muted); font-size: 0.9rem; font-weight: 500; transition: color 0.15s ease; }
.site-nav a:hover { color: var(--black); }

.header-right { display: flex; align-items: center; gap: 12px; }

.lang-switch { display: flex; background: var(--gray); border-radius: 999px; padding: 3px; }
.lang-switch button {
  background: none; border: none; color: var(--muted);
  padding: 5px 12px; cursor: pointer; font-size: 0.78rem; font-weight: 600;
  font-family: var(--font-body);
  border-radius: 999px; transition: background 0.15s ease, color 0.15s ease;
}
.lang-switch button.active { background: var(--black); color: var(--white); }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--black);
  font-size: 1.2rem; border-radius: 10px; padding: 4px 10px; cursor: pointer; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: var(--r-btn);
  font-family: var(--font-body);
  font-weight: 600; font-size: 1rem;
  cursor: pointer; border: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }

.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--red); color: var(--white); }

.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--red); }

.btn-outline {
  background: rgba(255, 255, 255, 0.06); color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.12); }

/* on the dark hero photo a black button vanishes — use the red CTA instead */
.hero .btn-primary { background: var(--red); }
.hero .btn-primary:hover { background: #a30e19; }

.btn-outline-dark { background: transparent; color: var(--black); border: 1.5px solid #d5d8da; }
.btn-outline-dark:hover { border-color: var(--black); }

.btn-small { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 38px; font-size: 1.06rem; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 78% 30%, rgba(193, 18, 31, 0.10), transparent 60%),
    radial-gradient(900px 600px at 15% 85%, rgba(191, 197, 201, 0.06), transparent 60%),
    linear-gradient(165deg, var(--charcoal) 0%, var(--black) 55%, #0b0b0b 100%);
  color: var(--white);
  padding: 128px 32px 96px;
}
/* portrait hero shot: sits on the right half, text keeps the left */
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-bg img {
  position: absolute; top: 0; bottom: 0; right: 0; width: 56%;
  height: 100%; object-fit: cover; object-position: 50% 42%;
  /* feather the inner edge so the photo dissolves into the black ground */
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.55) 16%, #000 38%);
          mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.55) 16%, #000 38%);
}
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.75) 0%, rgba(17, 17, 17, 0.45) 40%, rgba(17, 17, 17, 0.18) 62%, rgba(17, 17, 17, 0.35) 100%),
    linear-gradient(rgba(17, 17, 17, 0.5), transparent 28%, rgba(17, 17, 17, 0.55));
}

.hero-inner { position: relative; max-width: 1160px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(2.9rem, 6vw, 4.5rem);
  max-width: 13ch;
  margin-bottom: 24px;
}
.hero-sub {
  color: var(--silver);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 46ch;
  margin-bottom: 40px;
  font-weight: 400;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }

.trust-badges {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: 12px 32px;
  color: var(--silver); font-size: 0.95rem; font-weight: 500;
}
.trust-badges .check { color: var(--red); font-weight: 700; margin-right: 6px; }

/* ---------- sections ---------- */
.section { max-width: 1160px; margin: 0 auto; padding: 112px 32px; }
.section-gray { max-width: none; background: var(--gray); }
.section-gray > * { max-width: 1160px; margin-left: auto; margin-right: auto; }
.section-gray > .section-sub { margin-left: max(calc(50% - 580px), 0px); margin-right: 0; }

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem;
  color: var(--red); font-weight: 700; margin-bottom: 16px;
}
.section h2 { font-size: clamp(2rem, 4vw, 2.9rem); margin-bottom: 16px; }
.section-sub { color: var(--muted); max-width: 58ch; margin-bottom: 48px; font-size: 1.06rem; }

/* ---------- before / after slider ---------- */
.ba-slider {
  position: relative; border-radius: var(--r-ui); overflow: hidden;
  aspect-ratio: 1 / 1; max-width: 640px;
  margin: 48px auto 0;
  box-shadow: var(--shadow-soft);
  touch-action: pan-y;
  background: var(--charcoal);
}
.ba-pane { position: absolute; inset: 0; }
.ba-pane img { width: 100%; height: 100%; display: block; object-fit: cover; }
.ba-after { clip-path: inset(0 0 0 var(--pos, 50%)); }
.ba-tag {
  position: absolute; top: 20px; left: 20px;
  background: rgba(17, 17, 17, 0.72); color: var(--silver);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.ba-tag-after { left: auto; right: 20px; background: var(--red); color: var(--white); }
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: var(--pos, 50%);
  width: 3px; background: var(--white); transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}
.ba-handle span {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--white); color: var(--black);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; letter-spacing: -1px;
}
.ba-range {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; cursor: ew-resize; margin: 0;
}
.ba-hint { text-align: center; color: var(--muted); font-size: 0.9rem; margin-top: 16px; }

/* ---------- process ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.steps li {
  background: var(--white); border-radius: var(--r-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease;
}
.steps li:hover { transform: translateY(-4px); }
.step-num {
  font-family: var(--font-display);
  display: block; font-size: 0.9rem; font-weight: 700;
  color: var(--red); letter-spacing: 0.1em; margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.steps h3 { font-size: 1.15rem; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 0.94rem; }

/* ---------- materials ---------- */
.materials { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.mat-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 24px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.mat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.mat-swatch { height: 88px; border-radius: 12px; margin-bottom: 20px; }
.swatch-leather { background: linear-gradient(150deg, #2b2b2e, #151517); }
.swatch-perf {
  background: linear-gradient(150deg, #26262a, #131315);
  background-image: radial-gradient(circle, rgba(0,0,0,0.85) 1.6px, transparent 2px), linear-gradient(150deg, #2b2b2e, #151517);
  background-size: 11px 11px, cover;
}
.swatch-alcantara { background: linear-gradient(150deg, #3a3a40 0%, #232328 45%, #303036 100%); }
.swatch-stitch {
  background: linear-gradient(150deg, #232326, #121214);
  position: relative; overflow: hidden;
}
.swatch-stitch::after {
  content: ""; position: absolute; left: 10%; right: 10%; top: 50%;
  border-top: 3px dashed var(--red);
}
.mat-card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.mat-card p { color: var(--muted); font-size: 0.88rem; }

/* ---------- gallery masonry ---------- */
.masonry {
  display: grid; grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 130px; gap: 20px; margin-top: 48px;
}
.tile {
  position: relative; border-radius: var(--r-card); overflow: hidden;
  grid-row: span 2;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-soft);
}
.tile-tall { grid-row: span 3; }
.tile:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(17, 17, 17, 0.16); }
.tile-art {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 52%, transparent 56px, rgba(0, 0, 0, 0.45) 57px, rgba(0, 0, 0, 0.45) 82px, transparent 83px),
    linear-gradient(155deg, #26262b, var(--black));
}
.tile-art::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 52%, transparent 66px, var(--stitch, #C1121F) 67px, var(--stitch, #C1121F) 68.5px, transparent 70px);
  opacity: 0.9;
  -webkit-mask-image: repeating-conic-gradient(from 0deg at 50% 52%, #000 0deg 5deg, transparent 5deg 10deg);
          mask-image: repeating-conic-gradient(from 0deg at 50% 52%, #000 0deg 5deg, transparent 5deg 10deg);
}
.tile > img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.tile:hover > img { transform: scale(1.04); }
.tile-label {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  padding: 44px 20px 18px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.82));
  font-family: var(--font-display);
  color: var(--white); font-weight: 600; font-size: 0.98rem; letter-spacing: 0.01em;
}
.tile-label em {
  display: block; font-style: normal; font-family: var(--font-body);
  font-size: 0.78rem; font-weight: 400; color: var(--silver); margin-top: 3px;
}
.gallery-cta { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

/* ---------- reviews ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.review-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 36px 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.stars { color: var(--red); letter-spacing: 3px; margin-bottom: 20px; font-size: 1rem; }
.review-card blockquote {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 500; line-height: 1.45;
  margin-bottom: 20px; letter-spacing: -0.01em;
}
.review-card figcaption { color: var(--muted); font-size: 0.88rem; font-weight: 500; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px !important; margin-left: 0 !important; margin-top: 48px; display: flex; flex-direction: column; gap: 12px; }
.section-gray > .faq-list { margin-left: max(calc(50% - 580px), 0px) !important; }
.faq-item {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-ui);
  overflow: hidden;
}
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  cursor: pointer; list-style: none;
  padding: 22px 26px;
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron {
  flex-shrink: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--gray); color: var(--black);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 500;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.faq-item[open] .faq-chevron { transform: rotate(45deg); background: var(--red); color: var(--white); }
.faq-item p { padding: 0 26px 24px; color: var(--muted); font-size: 0.97rem; max-width: 62ch; }

/* ---------- booking form ---------- */
.booking-form {
  background: var(--white); border: 1px solid var(--line); border-radius: 24px;
  padding: 40px; max-width: 800px !important; margin-left: 0 !important;
  box-shadow: var(--shadow-soft);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.booking-form label { display: flex; flex-direction: column; gap: 8px; font-size: 0.88rem; font-weight: 600; color: var(--ink); }
.booking-form input, .booking-form select, .booking-form textarea {
  background-color: var(--gray);
  border: 1.5px solid transparent; border-radius: 12px;
  color: var(--ink); padding: 14px 16px; font-size: 1rem; font-family: var(--font-body);
  width: 100%; transition: border-color 0.15s ease, background-color 0.15s ease;
}
.booking-form input::placeholder, .booking-form textarea::placeholder { color: #9aa0a6; }
.booking-form input:focus, .booking-form select:focus, .booking-form textarea:focus {
  outline: none; border-color: var(--black); background-color: var(--white);
}
.booking-form input.invalid { border-color: var(--red); }
.form-full { margin-bottom: 24px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.form-note { margin-top: 16px; font-size: 0.82rem; color: var(--muted); font-weight: 400; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.contact-card {
  background: var(--white); border-radius: var(--r-card);
  padding: 32px 28px; box-shadow: var(--shadow-soft);
}
.contact-card h3 { font-size: 1.05rem; margin-bottom: 14px; }
.contact-card p { margin-bottom: 8px; font-size: 0.94rem; color: var(--muted); }
.contact-card a { color: var(--ink); font-weight: 500; }
.contact-card a:hover { color: var(--red); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--black); color: var(--silver);
  text-align: center; padding: 64px 32px 48px; font-size: 0.92rem;
}
.site-footer strong { color: var(--white); }
.footer-logo { width: 46px; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 6px; }
.footer-social { display: flex; justify-content: center; gap: 28px; margin: 28px 0; }
.footer-social a { color: var(--silver); font-weight: 500; transition: color 0.15s ease; }
.footer-social a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; opacity: 0.55; margin-top: 8px; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .materials { grid-template-columns: repeat(2, 1fr); }
}

/* laptop screens are wide but short — tighten the hero so it doesn't eat
   the whole viewport and crop the wheel */
@media (min-width: 901px) and (max-height: 850px) {
  .hero { padding: 84px 32px 64px; }
  .hero h1 { font-size: clamp(2.4rem, 4vw, 3.5rem); margin-bottom: 18px; }
  .hero-sub { font-size: 1.05rem; margin-bottom: 30px; }
  .hero-cta { margin-bottom: 38px; }
  .hero-bg img { object-position: 50% 38%; }
}
@media (max-width: 900px) {
  .steps, .reviews, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .masonry { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 96px 24px 72px; }
  .hero-bg img {
    width: 100%; object-position: 50% 38%;
    -webkit-mask-image: none; mask-image: none;
  }
  .hero-scrim {
    background:
      linear-gradient(rgba(17, 17, 17, 0.86), rgba(17, 17, 17, 0.72) 45%, rgba(17, 17, 17, 0.92)),
      linear-gradient(90deg, rgba(17, 17, 17, 0.7), transparent 70%);
  }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--white);
    border-bottom: 1px solid var(--line); padding: 8px 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 32px; }
  .nav-toggle { display: block; }
  .header-right .btn { display: none; }
}
@media (max-width: 620px) {
  .steps, .reviews, .contact-grid, .form-row, .materials { grid-template-columns: 1fr; }
  .masonry { grid-template-columns: 1fr; grid-auto-rows: 150px; }
  .tile, .tile-tall { grid-row: span 2; }
  .booking-form { padding: 26px 20px; }
  .section { padding: 80px 20px; }
}
