@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --bg:          #09090f;
  --surface:     #111118;
  --surface-2:   #18181f;
  --border:      #1e1e2a;
  --border-2:    #2a2a3a;
  --text:        #eeeef5;
  --text-muted:  #6b6b88;
  --text-dim:    #38384a;
  --accent:      #f0c040;
  --accent-glow: rgba(240,192,64,.12);
  --green:       #4ade80;
  --red:         #f87171;
  --blue:        #60a5fa;
  --radius:      14px;
  --radius-sm:   9px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9,9,15,.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

header .logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

nav {
  margin-left: auto;
  display: flex;
  gap: 2px;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: color .15s, background .15s;
}

nav a:hover  { color: var(--text); background: var(--surface-2); }
nav a.active { color: var(--accent); background: var(--accent-glow); }

/* ── Main ── */
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
}

/* ── Hero ── */
.hero {
  text-align: center;
  margin-bottom: 4.5rem;
  padding: 1rem 0;
}

.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(240,192,64,.22);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: 3.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, #fff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.hero-cta:hover { opacity: .88; transform: translateY(-2px); }

/* ── Section header ── */
.section-header { margin-bottom: 1.75rem; }

.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.section-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

/* ── Cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
  margin-bottom: 5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .2s, box-shadow .25s;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
}

.card:hover { transform: translateY(-5px); box-shadow: 0 24px 48px rgba(0,0,0,.45); }
.card:hover::after { opacity: 1; }

.card-icon {
  font-size: 1.75rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  margin-bottom: 1.1rem;
}

.card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.45rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.855rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.card .tag {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.68rem;
  background: var(--accent-glow);
  color: var(--accent);
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1px solid rgba(240,192,64,.18);
}

/* ── Comparison table ── */
.comparison-section { margin-bottom: 5rem; }

.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 580px;
}

.compare-table thead th {
  padding: 0.85rem 1.1rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.compare-table thead th:first-child { color: var(--text-muted); border-radius: var(--radius) 0 0 0; }
.compare-table thead th:last-child { border-radius: 0 var(--radius) 0 0; }

.compare-table td {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  line-height: 1.5;
}

.compare-table tr:last-child td { border-bottom: none; }
.compare-table td:first-child { font-weight: 600; color: var(--text); }
.compare-table tr:hover td { background: var(--surface-2); }

/* ── Choose section ── */
.choose-section { margin-bottom: 5rem; }

.chooser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
}

.chooser-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s;
  display: block;
}

.chooser-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}

.chooser-emoji {
  font-size: 1.75rem;
  margin-bottom: 0.85rem;
}

.chooser-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.45rem;
  letter-spacing: -0.01em;
}

.chooser-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.chooser-rec {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* ── Badge ── */
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.badge-green  { background: rgba(74,222,128,.12);  color: var(--green); }
.badge-yellow { background: var(--accent-glow);    color: var(--accent); }
.badge-red    { background: rgba(248,113,113,.12); color: var(--red); }
.badge-blue   { background: rgba(96,165,250,.12);  color: var(--blue); }

/* ── Detail pages ── */
.page-header { margin-bottom: 3rem; }

.page-eyebrow {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.page-title {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 680px;
}

.section { margin-bottom: 3rem; }

.section h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.section p {
  font-size: 0.935rem;
  color: var(--text-muted);
  line-height: 1.82;
}

/* ── Pros / Cons ── */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  margin-bottom: 3rem;
}

.pros, .cons {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.pros { border-top: 2px solid var(--green); }
.cons { border-top: 2px solid var(--red); }

.pros h3 {
  color: var(--green);
  margin-bottom: 0.9rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.cons h3 {
  color: var(--red);
  margin-bottom: 0.9rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.pros ul, .cons ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.pros li::before { content: '✓  '; color: var(--green); font-weight: 700; }
.cons li::before { content: '✗  '; color: var(--red);   font-weight: 700; }

.pros li, .cons li {
  font-size: 0.855rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Variant cards ── */
.variants {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
  gap: 1rem;
}

.variant-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  transition: border-color .2s;
}

.variant-card:hover { border-color: var(--border-2); }

.variant-card h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.variant-card p {
  font-size: 0.81rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Model cards ── */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  transition: border-color .2s;
}

.model-card:hover { border-color: var(--border-2); }

.model-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.model-brand {
  font-size: 0.68rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.model-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.65rem;
}

.model-price {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* ── Page hero image ── */
.page-img {
  width: 100%;
  height: 360px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 3rem;
  background: var(--surface-2);
}

.page-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}

.page-img:hover img { transform: scale(1.03); }

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 2.5rem;
  transition: color .15s;
}

.back-link:hover { color: var(--text); }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2.5rem 2rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  letter-spacing: 0.01em;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  main       { padding: 2.5rem 1.25rem; }
  .hero h1   { font-size: 2.2rem; }
  .page-title{ font-size: 1.9rem; }
  .pros-cons { grid-template-columns: 1fr; }
  nav a      { padding: 0.35rem 0.6rem; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  header           { padding: 0.8rem 1rem; }
  .hero h1         { font-size: 1.8rem; }
  .hero p          { font-size: 0.95rem; }
  .section-header h2 { font-size: 1.3rem; }
}