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

:root {
  --black:   #3a3a3a;
  --dark:    #2e2e2e;
  --mid:     #444444;
  --steel:   #888888;
  --muted:   #888888;
  --border:  #4a4a4a;
  --light:   #323232;
  --white:   #ffffff;
  --accent:  #4a8cff;
  --accent2: #2e70e0;
  --coral:   #ff4d74;
  --green:   #42d787;
  --font-display: 'Outfit', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --radius: 6px;
  --radius-lg: 12px;
  --max-w: 1160px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--black);
  color: var(--white);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Utilities ───────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-dark { background: var(--light); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 48px;
  color: var(--white);
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 11px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--accent2); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 11px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.3);
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(74,140,255,0.08); }

.btn-lg { padding: 14px 32px; font-size: 14px; }

/* ── Header ──────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(58,58,58,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 64px;
}

.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--white);
  text-transform: uppercase;
  white-space: nowrap;
}
.logo span { color: var(--accent); }

.main-nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.main-nav a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.main-nav a:hover,
.main-nav a.active { color: var(--accent); }

/* ── Hero ────────────────────────────────────────── */
.hero {
  padding: 100px 0 0;
  position: relative;
  overflow: hidden;
  background: var(--black);
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 28px;
  max-width: 800px;
  color: var(--white);
}

.hero-sub {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 80px;
  margin-top: 16px;
}

.hero-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--coral) 60%, transparent 100%);
}

/* ── Stats Strip ─────────────────────────────────── */
.stats-strip {
  background: var(--mid);
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 20px;
  border-right: 1px solid var(--border);
  gap: 4px;
}
.stat:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

/* ── Category Cards ──────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.cat-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  display: block;
}
.cat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(74,140,255,0.12);
  transform: translateY(-2px);
}
.cat-icon { font-size: 32px; margin-bottom: 16px; }
.cat-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  color: var(--white);
}
.cat-card p { font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ── How It Works ────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  color: var(--white);
}
.step p { font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.5); }

/* ── CTA Band ────────────────────────────────────── */
.cta-band {
  background: var(--accent);
  padding: 64px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--white);
}
.cta-inner p {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  flex: 1;
  min-width: 200px;
}
.cta-band .btn-primary {
  background: var(--black);
  color: var(--white);
  white-space: nowrap;
}
.cta-band .btn-primary:hover { background: var(--dark); }

/* ── Footer ──────────────────────────────────────── */
.site-footer {
  background: var(--light);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--white); }
.footer-copy {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255,255,255,0.3);
}

/* ── Listings Page ───────────────────────────────── */
.page-hero {
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  color: var(--white);
}
.page-hero p { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.5); }

.listings-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  padding: 48px 0 80px;
  align-items: start;
}

.filter-panel {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 84px;
}
.filter-panel h3 {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}
.filter-group { margin-bottom: 28px; }
.filter-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}
.filter-group select,
.filter-group input {
  width: 100%;
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  padding: 9px 12px;
  font-size: 13px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.filter-group select:focus,
.filter-group input:focus { border-color: var(--accent); }

.listings-grid {
  display: grid;
  gap: 16px;
}

.tyre-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.tyre-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(74,140,255,0.1);
}

.tyre-card-main { flex: 1; }

.tyre-card-main > p {
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: 10px;
}
.tyre-card-main > p strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}
.tyre-card-main > p em { font-style: italic; color: rgba(255,255,255,0.45); }

.tyre-card-main hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 14px 0;
}
.tyre-card-main h3 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.tyre-card-main ul {
  list-style: none;
  padding: 0;
  margin: 0 0 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tyre-card-main ul li > p {
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  margin: 0;
  line-height: 1.5;
}
.tyre-card-main ul li > p strong {
  color: rgba(255,255,255,0.45);
  font-weight: 700;
  font-size: 13px;
  display: inline;
  margin-bottom: 0;
}

.tyre-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.tyre-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--mid);
  color: rgba(255,255,255,0.5);
  border: 1px solid var(--border);
}
.tyre-tag.accent {
  background: rgba(74,140,255,0.15);
  color: var(--accent);
  border-color: rgba(74,140,255,0.3);
}

.tyre-card-action { display: flex; align-items: center; gap: 12px; }

/* ── Collapsible card details ────────────────────── */
.card-details {
  display: none;
  margin-top: 4px;
}
.card-details.open { display: block; }

.card-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.card-toggle:hover { border-color: var(--accent); color: var(--accent); }
.card-toggle .toggle-arrow { transition: transform 0.2s; display: inline-block; }
.card-toggle.open .toggle-arrow { transform: rotate(180deg); }

/* ── Contact Page ────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  padding: 64px 0 80px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: var(--white);
}
.contact-info p { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.5); line-height: 1.7; margin-bottom: 32px; }
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact-item-icon {
  width: 40px;
  height: 40px;
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item-text span {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 2px;
}
.contact-item-text p { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.7); margin: 0; }

.contact-form {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  color: var(--white);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  padding: 11px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ── About Page ──────────────────────────────────── */
.about-layout { padding: 64px 0 80px; max-width: 760px; }
.about-layout h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 40px 0 14px;
  color: var(--white);
}
.about-layout p { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.55); line-height: 1.8; margin-bottom: 16px; }
.about-layout ul { padding-left: 20px; margin-bottom: 16px; }
.about-layout li { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.55); line-height: 1.8; margin-bottom: 6px; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 900px) {
  .listings-layout { grid-template-columns: 1fr; }
  .filter-panel { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:nth-child(odd) { border-right: 1px solid var(--border); }
  .stat:last-child, .stat:nth-last-child(2):nth-child(odd) { border-bottom: none; }
  .header-inner .btn-primary { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .tyre-card { grid-template-columns: 1fr; }
  .tyre-card-action { align-items: flex-start; flex-direction: row; }
}

/* ── Mobile nav toggle ───────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 600px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(46,46,46,0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    z-index: 99;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }
  .main-nav a:last-child { border-bottom: none; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .hero-title { font-size: clamp(40px, 12vw, 96px); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}