:root {
  --black: #000;
  --white: #fff;
  --gray-dark: #111;
  --gray-mid: #222;
  --gray-light: #f5f5f5;
  --border: #e0e0e0;
  --font: 'Montserrat', sans-serif;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
}

/* ── NAVBAR ─────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: var(--black);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.5); }

.nav-logo {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

.lang-switcher { display: flex; gap: 6px; }
.lang-btn {
  background: none;
  border: 1px solid rgba(255,255,255,.3);
  color: rgba(255,255,255,.5);
  border-radius: 3px;
  padding: 3px 8px;
  font-size: .75rem;
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn:hover, .lang-btn.active {
  border-color: var(--white);
  color: var(--white);
}

.burger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── HERO ────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 20px 60px;
}
.hero-content { max-width: 720px; }
.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.55);
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 48px;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--white);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-white { background: var(--white); color: var(--black); }
.btn-white:hover { background: transparent; color: var(--white); }

.btn-outline { background: transparent; color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--black); }

.btn-black { background: var(--black); color: var(--white); border-color: var(--black); }
.btn-black:hover { background: transparent; color: var(--black); border-color: var(--black); }

.btn-sm { padding: 8px 18px; font-size: .78rem; }

/* ── CONTAINER ───────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── SECTION TITLE ───────────────────────────── */
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.section-title.visible { opacity: 1; transform: none; }

/* ── CATALOG ─────────────────────────────────── */
.catalog {
  padding: 100px 0;
  background: var(--white);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}
.filter-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: #666;
  padding: 8px 20px;
  font-family: var(--font);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 2px;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.cars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.car-card {
  border: 1.5px solid var(--border);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  animation: fadeUp .4s ease forwards;
}
.car-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.1);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.car-img-wrap {
  background: var(--gray-light);
  aspect-ratio: 16/9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.car-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  transition: transform .4s ease;
}
.car-card:hover .car-img-wrap img { transform: scale(1.04); }

.car-info { padding: 20px; }
.car-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}
.car-name { font-size: 1.05rem; font-weight: 700; }
.car-class {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--gray-light);
  padding: 3px 8px;
  white-space: nowrap;
}
.car-specs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: .8rem;
  color: #666;
  margin-bottom: 16px;
}
.car-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.car-price { font-size: .9rem; color: #444; }
.car-price strong { font-size: 1.2rem; color: var(--black); }

/* ── HOW IT WORKS ────────────────────────────── */
.how-it-works {
  padding: 100px 0;
  background: var(--black);
  color: var(--white);
}
.how-it-works .section-title { color: var(--white); }

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
  padding: 0 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.step.visible { opacity: 1; transform: none; }

.step-icon { font-size: 2.5rem; margin-bottom: 20px; }
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.step p { font-size: .875rem; color: rgba(255,255,255,.55); line-height: 1.6; }

.step-arrow {
  font-size: 1.5rem;
  color: rgba(255,255,255,.25);
  padding-top: 36px;
  flex-shrink: 0;
}

/* ── BOOKING ─────────────────────────────────── */
.booking {
  padding: 100px 0;
  background: var(--gray-light);
}

.booking-form {
  max-width: 720px;
  background: var(--white);
  padding: 48px;
  border: 1.5px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #444;
}
.form-group input,
.form-group select {
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  font-family: var(--font);
  font-size: .9rem;
  background: var(--white);
  color: var(--black);
  outline: none;
  transition: border-color var(--transition);
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--black); }

.form-total-group { justify-content: flex-end; }
.form-total {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--black);
  padding: 8px 0;
}

.btn-submit {
  width: 100%;
  margin-top: 8px;
  font-size: .85rem;
}

.form-success {
  max-width: 720px;
  background: var(--white);
  padding: 60px 48px;
  border: 1.5px solid var(--border);
  text-align: center;
}
.form-success p {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hidden { display: none !important; }

/* ── FOOTER ──────────────────────────────────── */
.footer {
  background: var(--black);
  color: rgba(255,255,255,.5);
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 2px;
  line-height: 1.3;
}
.footer-logo span {
  font-size: .75rem;
  font-weight: 400;
  color: rgba(255,255,255,.4);
  letter-spacing: 1px;
}
.footer-links a {
  color: rgba(255,255,255,.5);
  text-decoration: none;
  font-size: .85rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: .78rem; }

/* ── MOBILE ──────────────────────────────────── */
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--black);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .nav-links.open { display: flex; }
  .burger { display: block; }

  .hero-btns { flex-direction: column; align-items: center; }
  .btn { width: 260px; text-align: center; }

  .cars-grid { grid-template-columns: 1fr; }

  .step-arrow { display: none; }
  .steps { gap: 40px; }

  .booking-form, .form-success { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
}