/* ReVolt — dark electronics resale storefront */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600;700&display=swap');

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

:root {
  --bg:        #09090e;
  --bg-card:   #111118;
  --bg-hover:  #18181f;
  --border:    #1e1e2a;
  --text:      #d8d8e0;
  --muted:     #666680;
  --accent:    #f26d3b;
  --accent-dim: rgba(242,109,59,0.15);
  --green:     #3ddc84;
  --yellow:    #f5c542;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(9,9,14,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-logo span { color: var(--text); }
.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-badge {
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.08em;
}

/* ── HERO ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 80px 48px 64px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-content { display: flex; flex-direction: column; gap: 24px; }
.hero-tag {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(242,109,59,0.3);
  padding: 6px 12px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  width: fit-content;
  border-radius: 2px;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 420px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: #000;
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: filter 0.2s;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: var(--muted); }
.hero-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border: 1px solid var(--border);
  display: block;
  border-radius: 4px;
  background: var(--bg-card);
}

/* ── STATS BAR ── */
.stats-bar {
  display: flex;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 48px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.stat-item {
  flex: 1;
  padding: 20px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-item:last-child { border-right: none; }
.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.stat-label { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.06em; }
.stat-value.green { color: var(--green); }

/* ── DIAGNOSTIC HEADER ── */
.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto 24px;
  padding: 0 48px;
}
.section-header::before {
  content: '';
  width: 3px;
  height: 20px;
  background: var(--accent);
  display: block;
  flex-shrink: 0;
}
.section-header h2 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-header span.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
}

/* ── PRODUCT GRID ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 0 48px;
}

/* ── PRODUCT CARD ── */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, transform 0.25s;
  position: relative;
}
.product-card:hover {
  border-color: rgba(242,109,59,0.35);
  transform: translateY(-2px);
}
.card-img-wrap {
  position: relative;
  background: var(--bg);
  aspect-ratio: 4/3;
  overflow: hidden;
}
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.product-card:hover .card-img { transform: scale(1.04); }

.card-badge-wrap {
  position: absolute;
  top: 10px; left: 10px;
  display: flex; gap: 6px;
}
.card-badge {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 3px 8px;
  letter-spacing: 0.07em;
  border-radius: 2px;
}
.badge-grade {
  background: var(--green);
  color: #000;
}
.badge-condition {
  background: var(--yellow);
  color: #000;
}
.card-body {
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.card-brand {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.card-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.card-specs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
}
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--muted); }
.spec-val { color: var(--text); }

/* ── PRICE TAG ── */
.price-tag {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
  padding-top: 10px;
}
.price-main {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  transform: rotate(-1deg);
  display: inline-block;
}
.price-tag-card {
  background: var(--accent-dim);
  border: 1px solid rgba(242,109,59,0.3);
  padding: 3px 10px;
  transform: rotate(-1.5deg);
  display: inline-block;
}
.price-tag-card .price-main { font-size: 1.1rem; }

/* ── DIAGNOSTIC FOOTER CARD ── */
.diag-footer {
  max-width: 1200px;
  margin: 0 auto 64px;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.diag-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
}
.diag-card-title {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.diag-card-title::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
.diag-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--muted);
}
.diag-row:last-child { border-bottom: none; }
.diag-row .key { color: var(--text); }
.diag-row .val { color: var(--green); font-weight: 600; }

/* ── CTA STRIP ── */
.cta-strip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  border-radius: 4px;
}
.cta-strip h3 {
  font-size: 1.8rem;
  font-weight: 700;
}
.cta-strip p {
  color: var(--muted);
  font-size: 0.85rem;
  max-width: 440px;
  line-height: 1.6;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--muted);
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }

/* ── MOBILE ── */
@media (max-width: 800px) {
  nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 24px 40px;
    gap: 32px;
  }
  .hero h1 { font-size: 2rem; }
  .stats-bar { flex-wrap: wrap; padding: 0 24px; margin-bottom: 32px; }
  .stat-item { flex: 0 0 50%; border-right: none; border-bottom: 1px solid var(--border); }
  .section-header { padding: 0 24px; }
  .product-grid {
    grid-template-columns: 1fr 1fr;
    padding: 0 24px;
    gap: 12px;
  }
  .diag-footer { grid-template-columns: 1fr; padding: 0 24px; }
  .cta-strip { padding: 32px 24px; }
  footer { padding: 24px; flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .hero-image { aspect-ratio: 16/10; }
}