/* ════════════════════════════════════════════════════════════════
   LLMRequirements.com — modern dark theme
   ════════════════════════════════════════════════════════════════ */

:root {
  --bg: #04080a;                    /* near-black with green undertone */
  --bg-soft: #07110d;
  --panel: rgba(14, 28, 22, 0.6);   /* tinted glass */
  --panel-solid: #0c1815;
  --panel-hover: rgba(22, 44, 35, 0.7);
  --border: rgba(110, 231, 183, 0.08);
  --border-strong: rgba(110, 231, 183, 0.20);
  --text: #e7f2ec;
  --text-dim: #9aaaa1;
  --text-faint: #5f7269;

  --brand-1: #00ff88;     /* electric LED green */
  --brand-2: #34d399;     /* emerald */
  --brand-3: #5eead4;     /* mint */
  --brand-amber: #fbbf24; /* status / warn */
  --good: #6ee7b7;
  --warn: #fbbf24;
  --bad:  #fb7185;

  --grad-brand: linear-gradient(115deg, #00ff88 0%, #34d399 60%, #5eead4 110%);
  --grad-text:  linear-gradient(115deg, #6ee7b7 0%, #5eead4 50%, #a7f3d0 100%);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --shadow-soft: 0 12px 40px -12px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 0 1px rgba(52, 211, 153, 0.35), 0 12px 60px -10px rgba(0, 255, 136, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ─── background ambient ───────────────────────────────────────── */

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle 600px at 12% -5%, rgba(0, 255, 136, 0.22), transparent 60%),
    radial-gradient(circle 700px at 100% 8%, rgba(94, 234, 212, 0.14), transparent 65%),
    radial-gradient(circle 600px at 80% 95%, rgba(52, 211, 153, 0.18), transparent 60%);
  filter: blur(2px);
}

/* ─── header ───────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: rgba(7, 7, 13, 0.55);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 24px;
  height: 24px;
  display: block;
  filter: drop-shadow(0 0 6px rgba(0, 255, 136, 0.45));
}
.brand .accent { color: var(--brand-1); }

.header-nav {
  display: flex;
  gap: 28px;
}
.header-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .18s;
}
.header-nav a:hover { color: var(--text); }

.region-picker {
  position: relative;
  margin-left: 22px;
}
.region-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(0, 255, 136, 0.04);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
}
.region-chip:hover { border-color: var(--brand-1); }
.region-chip .region-flag { font-size: 14px; }
.region-chip .region-text { color: var(--brand-1); letter-spacing: 0.05em; }
.region-chip .region-caret { opacity: 0.6; }
.region-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  max-height: 320px;
  overflow-y: auto;
  list-style: none;
  margin: 0; padding: 6px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.55);
  z-index: 50;
}
.region-menu li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 7px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
}
.region-menu li:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.region-menu li .cc { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.06em; }
.region-menu li .cur { color: var(--text-faint); font-size: 11px; }

/* ─── layout ───────────────────────────────────────────────────── */

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px 80px;
}

section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 36px;
  text-align: center;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.section-head p {
  margin: 0;
  color: var(--text-dim);
  font-size: 16px;
}
.section-head em {
  color: var(--brand-2);
  font-style: normal;
  font-weight: 600;
}

/* ─── hero ─────────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 90px 0 70px;
}
.hero-eyebrow {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(44px, 6.5vw, 80px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 22px;
}

.grad-text {
  background: var(--grad-text);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1.55;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--grad-brand);
  border-radius: 14px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 16px;
  box-shadow: var(--shadow-glow);
  transition: transform .18s ease, box-shadow .25s ease;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.55), 0 18px 70px -10px rgba(52, 211, 153, 0.7);
}

.hero-stats {
  margin-top: 60px;
  display: flex;
  gap: 60px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.hero-stats strong {
  font-size: 32px;
  font-weight: 800;
  background: var(--grad-text);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.hero-stats span {
  color: var(--text-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── picker ───────────────────────────────────────────────────── */

.picker-section {
  padding-top: 30px;
}

.picker-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 12px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 18px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: var(--text-dim);
  transition: background .2s, border-color .2s, color .2s;
}
.tab:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}
.tab.active {
  background: linear-gradient(140deg, rgba(52, 211, 153, 0.18), rgba(94, 234, 212, 0.10));
  border-color: rgba(52, 211, 153, 0.45);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.tab .tab-icon {
  font-size: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  width: 22px;
  color: var(--brand-1);
}
.tab .tab-icon svg { display: block; }
.tab span:nth-of-type(2) {
  font-weight: 700;
  font-size: 16px;
}
.tab em {
  color: var(--text-faint);
  font-style: normal;
  font-size: 13px;
}
.tab.active em { color: var(--text-dim); }

/* tab panels */

.tab-panel {
  margin-top: 30px;
  display: none;
  animation: fadeIn .32s ease;
}
.tab-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* use case grid */

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.usecase-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px 22px 20px;
  cursor: pointer;
  transition: border-color .2s, transform .2s, background .2s;
  position: relative;
  overflow: hidden;
}
.usecase-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(52, 211, 153, 0.18), transparent 50%);
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
.usecase-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.usecase-card:hover::before { opacity: 1; }
.usecase-card.selected {
  border-color: rgba(52, 211, 153, 0.6);
  background: linear-gradient(140deg, rgba(52, 211, 153, 0.10), rgba(94, 234, 212, 0.05));
  box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.3);
}
.usecase-card .icon {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}
.usecase-card h4 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.usecase-card p {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.5;
}
.usecase-card .meta {
  display: flex;
  gap: 10px;
  font-size: 12px;
  color: var(--text-faint);
}
.usecase-card .meta strong {
  color: var(--brand-1);
  font-weight: 600;
}

/* memory slider */

.memory-control {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 38px 38px 30px;
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.memory-readout {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.memory-readout span {
  font-size: 86px;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: var(--grad-text);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  line-height: 1;
}
.memory-readout em {
  font-style: normal;
  color: var(--text-dim);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-top: -10px;
}
.memory-readout small {
  margin-top: 14px;
  color: var(--text-faint);
  font-size: 14px;
}

#memSlider {
  width: 100%;
  max-width: 700px;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--brand-1), var(--brand-2), var(--brand-3));
  outline: none;
  margin: 24px 0;
  cursor: pointer;
}
#memSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.35), 0 4px 14px rgba(0,0,0,.4);
  transition: transform .15s;
}
#memSlider::-webkit-slider-thumb:hover { transform: scale(1.1); }
#memSlider::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.35), 0 4px 14px rgba(0,0,0,.4);
}

.memory-presets {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.memory-presets button {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background .2s, color .2s, border-color .2s;
}
.memory-presets button:hover {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.35);
  color: var(--text);
}

/* modality tabs (under "By model") */

.modality-tabs {
  display: flex;
  gap: 8px;
  margin: 4px 0 18px;
  flex-wrap: wrap;
  justify-content: center;
}
.modality-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-dim);
  cursor: pointer;
  font-family: inherit;
  transition: background .18s, border-color .18s, color .18s;
}
.modality-tab .ml-icon { font-size: 16px; }
.modality-tab:hover { border-color: var(--border-strong); color: var(--text); }
.modality-tab.active {
  background: linear-gradient(140deg, rgba(0, 255, 136, 0.18), rgba(94, 234, 212, 0.08));
  border-color: rgba(0, 255, 136, 0.5);
  color: var(--text);
}

/* model reference table modality dividers */

tr.modality-divider td {
  background: rgba(0, 255, 136, 0.05) !important;
  border-top: 1px solid rgba(0, 255, 136, 0.18);
  border-bottom: 1px solid rgba(0, 255, 136, 0.18);
  font-family: 'Inter', sans-serif !important;
  color: var(--brand-1) !important;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 12px 18px !important;
}
tr.modality-divider strong { font-weight: 700; }

/* model grid */

.hint {
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 22px;
}

.model-search-wrap {
  position: relative;
  margin: 0 0 16px;
}
.model-search-wrap input {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}
.model-search-wrap input:focus { border-color: var(--brand-1); }
.model-search-wrap input::placeholder { color: var(--text-faint); }
.model-search-count {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--text-faint);
  pointer-events: none;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.model-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 18px 16px;
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .15s;
}
.model-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.model-card.selected {
  border-color: rgba(52, 211, 153, 0.6);
  background: linear-gradient(140deg, rgba(52, 211, 153, 0.10), rgba(94, 234, 212, 0.05));
}
.model-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}
.model-card-head h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.badge {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 700;
}
.badge.dense   { background: rgba(94, 234, 212, 0.15); color: var(--brand-3); }
.badge.moe     { background: rgba(0, 255, 136, 0.15); color: var(--brand-1); }

.model-card .params {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-faint);
  margin: 6px 0 8px;
}
.model-card p {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}
.model-card .vram-tag {
  display: inline-block;
  font-size: 12px;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.18);
  border-radius: 6px;
  padding: 3px 8px;
  color: var(--brand-1);
  font-family: 'JetBrains Mono', monospace;
  margin-right: 4px;
}
.model-card .vram-tag.q2-tag {
  color: var(--brand-amber);
  border-color: rgba(251, 191, 36, 0.25);
}

/* quant toggle */

.quant-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  flex-wrap: wrap;
}
.quant-label {
  color: var(--text-faint);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-right: 6px;
}
.quant-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-dim);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: background .18s, border-color .18s, color .18s;
}
.quant-btn strong { font-size: 14px; font-weight: 700; color: var(--text); }
.quant-btn em { font-size: 11px; font-style: normal; color: var(--text-faint); }
.quant-btn:hover { border-color: var(--border-strong); }
.quant-btn.active {
  background: linear-gradient(140deg, rgba(52, 211, 153, 0.16), rgba(94, 234, 212, 0.08));
  border-color: rgba(52, 211, 153, 0.55);
}
.quant-btn.active strong { color: var(--text); }

/* category filter pills */

.category-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  flex-wrap: wrap;
}
.cf-label {
  color: var(--text-faint);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-right: 6px;
}
.cf-pill {
  padding: 6px 12px;
  font-size: 12px;
  font-family: inherit;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-faint);
  cursor: pointer;
  text-decoration: line-through;
  text-decoration-color: rgba(255,255,255,0.2);
  transition: background .15s, border-color .15s, color .15s;
}
.cf-pill:hover { border-color: var(--border-strong); color: var(--text-dim); }
.cf-pill.active {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
}

/* picker footer */

.picker-footer {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--grad-brand);
  border: none;
  border-radius: 14px;
  color: white;
  font-weight: 700;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: transform .18s, box-shadow .25s, opacity .2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.55), 0 18px 70px -10px rgba(52, 211, 153, 0.7);
}
.btn-primary:disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
}

/* ─── results ──────────────────────────────────────────────────── */

.results-section {
  scroll-margin-top: 80px;
}

.picks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 60px;
}

.pick-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.pick-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}
.pick-card::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(52, 211, 153, 0.06) 0%, transparent 40%);
}
.pick-card .ribbon {
  position: absolute;
  top: 14px;
  right: -36px;
  width: 130px;
  text-align: center;
  background: var(--grad-brand);
  color: white;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 0;
  transform: rotate(35deg);
  box-shadow: 0 4px 18px rgba(52, 211, 153, 0.5);
}
.pick-card .ribbon.cheapest   { background: linear-gradient(115deg, #5eead4 0%, #14b8a6 100%); }
.pick-card .ribbon.value      { background: linear-gradient(115deg, #00ff88 0%, #34d399 100%); }
.pick-card .ribbon.fastest    { background: linear-gradient(115deg, #fbbf24 0%, #34d399 100%); }
.pick-card .ribbon.efficient  { background: linear-gradient(115deg, #34d399 0%, #5eead4 100%); }
.pick-card .ribbon.memory     { background: linear-gradient(115deg, #14b8a6 0%, #6ee7b7 100%); }
.pick-card .ribbon.cuda       { background: linear-gradient(115deg, #76b900 0%, #34d399 100%); } /* NVIDIA green */

.pick-card h4 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.pick-card .vendor-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.pick-card .price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--grad-text);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.pick-card .price small {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-faint);
  -webkit-text-fill-color: var(--text-faint);
  letter-spacing: 0.06em;
}
.pick-card .key-tps {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}
.pick-card .key-tps strong {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
.pick-card .key-tps span {
  font-size: 12px;
  color: var(--text-faint);
}
.pick-card .multi-tps {
  margin-bottom: 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.pick-card .multi-tps-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.pick-card .quant-pill {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 9px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  cursor: help;
}
.pick-card .quant-pill.quant-q4 {
  background: rgba(52, 211, 153, 0.16);
  border: 1px solid rgba(52, 211, 153, 0.45);
  color: #34d399;
}
.pick-card .quant-pill.quant-q2 {
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #fbbf24;
}
.pick-card .multi-tps-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 4px 0;
  font-size: 13px;
  color: var(--text-dim);
}
.pick-card .multi-tps-row strong {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--text);
}
.pick-card .multi-tps-row.primary {
  color: var(--text);
}
.pick-card .multi-tps-row.primary strong {
  font-size: 18px;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tps-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  margin-bottom: 14px;
}
.tps-bar-fill {
  height: 100%;
  background: var(--grad-brand);
  border-radius: 999px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
}
.spec-row span:first-child { color: var(--text-faint); }
.spec-row span:last-child  { font-family: 'JetBrains Mono', monospace; color: var(--text); }
.tight-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: var(--brand-amber, #fbbf24);
  font-size: 10px;
  font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: help;
}
.pick-card .why {
  margin-top: 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}
.pick-card .why strong { color: var(--text); }

/* Curated YouTube review thumbnails on each pick card. */
.pick-card .reviews {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.pick-card .reviews-head {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.pick-card .reviews-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}
.pick-card .review-thumb {
  position: relative;
  display: block;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  background: rgba(0,0,0,0.3);
  transition: transform .15s, box-shadow .15s;
}
.pick-card .review-thumb:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}
.pick-card .review-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: rgba(255,255,255,0.04);
}
.pick-card .review-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 28px; height: 28px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  pointer-events: none;
  opacity: 0.85;
}
.pick-card .review-thumb:hover .review-play {
  background: rgba(255, 0, 0, 0.85);
  opacity: 1;
}
.pick-card .review-title {
  display: block;
  padding: 6px 8px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-dim);
  background: rgba(255,255,255,0.02);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pick-card .review-thumb:hover .review-title { color: var(--text); }

.empty-picks {
  grid-column: 1 / -1;
  padding: 32px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
  color: var(--text-dim);
}
.empty-picks strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
}
.empty-picks p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

/* buy / HF buttons */

.buy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.buy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 11px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text);
  text-decoration: none;
  background: rgba(0, 255, 136, 0.05);
  transition: background .18s, border-color .18s, transform .12s;
}
.buy-btn:hover {
  background: rgba(0, 255, 136, 0.14);
  border-color: rgba(0, 255, 136, 0.5);
  transform: translateY(-1px);
}
.buy-amazon  { color: #ffb84d; }
.buy-bhphoto { color: #ffd166; }
.buy-newegg  { color: #ffe066; }
.buy-apple   { color: #f9fafb; }
.buy-vendor  { color: var(--brand-3); }
.buy-adorama { color: #f9a8d4; }

.model-tags { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.hf-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid rgba(255, 213, 0, 0.32);
  background: rgba(255, 213, 0, 0.08);
  color: #facc15;
  text-decoration: none;
  transition: background .18s, transform .12s;
}
.hf-btn:hover { background: rgba(255, 213, 0, 0.18); transform: translateY(-1px); }

.hf-row-link { color: var(--text); text-decoration: none; }
.hf-row-link:hover { color: var(--brand-1); }

/* comparison table */

.comparison h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.table-wrap table { min-width: 760px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table thead th {
  text-align: left;
  padding: 14px 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.025);
  border-bottom: 1px solid var(--border);
}
table thead th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 26px;
  transition: color .18s, background .18s;
}
table thead th.sortable:hover {
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.045);
}
table thead th.sortable.sort-active {
  color: var(--brand-1);
  background: rgba(0, 255, 136, 0.06);
}
table thead th.sortable::after {
  content: '⇅';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  opacity: 0.35;
  transition: opacity .18s;
}
table thead th.sortable:hover::after {
  opacity: 0.6;
}
table thead th.sortable.sort-asc::after {
  content: '▲';
  opacity: 1;
  color: var(--brand-1);
}
table thead th.sortable.sort-desc::after {
  content: '▼';
  opacity: 1;
  color: var(--brand-1);
}
table tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-dim);
}
table tbody td:first-child {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  font-weight: 600;
}
table tbody tr:last-child td { border-bottom: none; }
table tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* ─── models reference ─────────────────────────────────────────── */

.models-section, .builds-section, .sources-section {
  scroll-margin-top: 80px;
}

.model-table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow-x: auto;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.model-table-wrap table { min-width: 900px; }

.modality-table-group {
  margin-bottom: 36px;
}
.modality-table-group:last-child {
  margin-bottom: 0;
}
.modality-table-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--text);
}
.rating-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.rating-na   { background: rgba(255,255,255,0.03); color: var(--text-faint); }
.rating-poor { background: rgba(251, 113, 133, 0.15); color: var(--bad); }
.rating-ok   { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.rating-good { background: rgba(110, 231, 183, 0.13); color: var(--good); }
.rating-great{ background: rgba(0, 255, 136, 0.16); color: var(--brand-1); }
.rating-sota { background: var(--grad-brand); color: #04130c; text-shadow: 0 0 6px rgba(255,255,255,.5); }

/* ─── all builds ──────────────────────────────────────────────── */

.all-builds {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.build-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px 22px 18px;
  transition: transform .2s, border-color .2s;
}
.build-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}
.build-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}
.build-card h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.build-card .vtag {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-top: 2px;
}
.build-card .price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-1);
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.build-card .price small {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}
.build-card .price-note {
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 10px;
  font-style: italic;
}

/* Tax / source badge — appears under prices in EU/UK/JP/etc. */
.tax-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
  margin-top: -6px;
}
.tax-msrp   { background: rgba(110, 231, 183, 0.10); color: var(--text-faint); }
.tax-vendor { background: rgba(0, 255, 136, 0.12);   color: var(--brand-1); }
.tax-fx     { background: rgba(251, 191, 36, 0.12);  color: var(--brand-amber); }
.build-card .specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.build-card .specs span {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border);
  padding: 4px 0;
}
.build-card .specs span em {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
  font-style: normal;
}
.build-card .pros, .build-card .cons {
  font-size: 12px;
  margin: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--text-dim);
}
.build-card .pros::before { content: '✓'; color: var(--good); font-weight: 700; }
.build-card .cons::before { content: '−'; color: var(--bad);  font-weight: 700; }

/* ─── sources ──────────────────────────────────────────────────── */

#sourcesList {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 30px;
}
#sourcesList li {
  break-inside: avoid;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
#sourcesList a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  display: block;
  padding: 4px 0;
  transition: color .15s;
}
#sourcesList a:hover { color: var(--brand-1); }

/* ─── footer ───────────────────────────────────────────────────── */

.site-footer {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 13px;
  text-align: center;
}
.site-footer .foot-note {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-faint);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.site-footer a {
  color: var(--text-faint);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}
.site-footer a:hover { color: var(--brand-1); text-decoration-color: var(--brand-1); }

/* Tab panels: leave room for the sticky header when scrolled into view */
.tab-panel { scroll-margin-top: 80px; }

/* ─── floating "Show me builds" CTA (mobile) ──────────────────── */

.floating-cta {
  position: fixed;
  top: 68px;
  left: 50%;
  transform: translate(-50%, -8px);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  background: var(--grad-brand);
  border: none;
  border-radius: 999px;
  color: #04140d;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(0, 255, 136, 0.4),
    0 0 26px rgba(0, 255, 136, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
}
.floating-cta.visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}
.floating-cta:active { transform: translate(-50%, 1px); }
@media (min-width: 801px) {
  .floating-cta { display: none !important; }
}

/* ─── article pages (about, disclosure) ───────────────────────── */

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 0 40px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}
.article h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.article h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 44px 0 14px;
  color: var(--text);
}
.article .lede {
  font-size: 18px;
  color: var(--text);
  margin: 0 0 30px;
}
.article p { margin: 0 0 16px; }
.article ul, .article ol { margin: 0 0 16px; padding-left: 22px; }
.article li { margin: 6px 0; }
.article a {
  color: var(--brand-1);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}
.article a:hover { text-decoration-color: var(--brand-1); }
.article strong { color: var(--text); font-weight: 600; }
.article code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}
.article .muted { color: var(--text-faint); font-size: 14px; }
.brand { text-decoration: none; color: inherit; }

/* ─── responsive ───────────────────────────────────────────────── */

@media (max-width: 800px) {
  main { padding: 0 22px 60px; }
  .site-header { padding: 14px 22px; }
  .header-nav { display: none; }
  section { padding: 50px 0; }
  .picker-tabs { grid-template-columns: 1fr; }
  .tab { flex-direction: row; align-items: center; gap: 14px; }
  .tab span:nth-of-type(2) { font-size: 14px; }
  .tab em { display: none; }
  .hero h1 { font-size: 44px; }
  .hero-sub { font-size: 16px; }
  .section-head h2 { font-size: 28px; }
  #sourcesList { columns: 1; }
  .memory-readout span { font-size: 64px; }
  .memory-control { padding: 28px 18px 22px; }

  /* article pages: tighter on phones */
  .article { padding: 24px 0 32px; font-size: 15px; line-height: 1.65; }
  .article h1 { font-size: 32px; margin-bottom: 14px; }
  .article h2 { font-size: 19px; margin-top: 32px; margin-bottom: 10px; }
  .article .lede { font-size: 16px; margin-bottom: 22px; }
  .article ul, .article ol { padding-left: 20px; }
}