:root {
  --bg: #0a0d10;
  --bg-alt: #0f1318;
  --panel: #12171d;
  --panel-2: #161c23;
  --border: #232b33;
  --border-soft: #1a2129;
  --text: #e8edf1;
  --muted: #8a97a3;
  --green: #76b900;
  --green-bright: #94e300;
  --green-dim: #4c7a00;
  --yellow: #ffe000;
  --danger: #ff5a5a;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(118,185,0,0.12), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(118,185,0,0.06), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }

/* subtle circuit-grid overlay on the whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(118,185,0,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(118,185,0,0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 700px);
}

header.top {
  background: rgba(10,13,16,0.88);
  backdrop-filter: blur(10px);
  color: var(--text);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
}
.top-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.brand {
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}
.brand .tag {
  background: var(--green);
  color: #06210a;
  font-size: 0.62rem;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 3px;
  letter-spacing: 0.06em;
  font-family: var(--mono);
}
nav.main-nav {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
}
nav.main-nav a {
  color: var(--muted);
  padding: 8px 13px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: color .15s, border-color .15s, background .15s;
}
nav.main-nav a:hover { color: var(--green-bright); background: rgba(118,185,0,0.08); border-color: var(--border-soft); }

.hero {
  position: relative;
  background:
    linear-gradient(180deg, rgba(118,185,0,0.10), transparent 70%),
    var(--bg-alt);
  color: var(--text);
  padding: 56px 20px 48px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(118,185,0,0.16), transparent 70%);
  pointer-events: none;
}
.hero-inner { max-width: 1240px; margin: 0 auto; position: relative; z-index: 1; }
.hero h1 {
  font-size: 2.3rem;
  margin: 0 0 12px;
  max-width: 800px;
  letter-spacing: -0.01em;
}
.hero p { font-size: 1.08rem; max-width: 680px; color: var(--muted); }
.hero .cta-row { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); color: #06210a; box-shadow: 0 0 22px rgba(118,185,0,0.35); }
.btn-primary:hover { background: var(--green-bright); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--green); color: var(--green-bright); }
.btn-dark { background: var(--panel-2); color: var(--text); border-color: var(--border); }
.btn-dark:hover { border-color: var(--green); color: var(--green-bright); }

main { max-width: 1240px; margin: 0 auto; padding: 32px 20px 60px; position: relative; z-index: 1; }

h1 { letter-spacing: -0.01em; }
h2.section-title {
  font-size: 1.3rem;
  margin: 44px 0 18px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}
h2.section-title::before {
  content: "";
  width: 4px;
  height: 1.1em;
  background: var(--green);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(118,185,0,0.6);
}
h2.section-title:first-child { margin-top: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s, border-color .2s;
}
.card:hover {
  box-shadow: 0 0 0 1px rgba(118,185,0,0.4), 0 12px 32px rgba(0,0,0,0.5), 0 0 40px rgba(118,185,0,0.10);
  transform: translateY(-3px);
  border-color: var(--green-dim);
}
.card-media {
  width: 100%;
  aspect-ratio: 16/10;
  background: radial-gradient(ellipse at center, #171d24, #0c0f12 75%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.6));
  transition: transform .25s;
}
.card:hover .card-media img { transform: scale(1.05); }
.card .body-pad { padding: 0 18px; display: flex; flex-direction: column; gap: 8px; flex-grow: 1; }
.card .emoji { font-size: 2.2rem; }
.card .tier-badge {
  align-self: flex-start;
  background: rgba(118,185,0,0.10);
  color: var(--green-bright);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--mono);
  border: 1px solid rgba(118,185,0,0.25);
}
.card h3 { margin: 4px 0 0; font-size: 1.08rem; }
.card .tagline { color: var(--muted); font-size: 0.87rem; flex-grow: 1; }
.card .price { font-size: 1.5rem; font-weight: 800; color: var(--text); font-family: var(--mono); }
.card .price .note { display:block; font-size: 0.7rem; font-weight: 400; color: var(--muted); font-family: -apple-system, sans-serif; }
.card .meta-row { display: flex; gap: 14px; font-size: 0.83rem; color: var(--muted); flex-wrap: wrap; font-family: var(--mono); }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--mono);
}
.badge-open { background: rgba(118,185,0,0.12); color: var(--green-bright); border: 1px solid rgba(118,185,0,0.3); }
.badge-cluster { background: rgba(255,224,0,0.10); color: var(--yellow); border: 1px solid rgba(255,224,0,0.3); }

.spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th { width: 220px; color: var(--green-bright); font-size: 0.88rem; font-weight: 700; background: var(--panel-2); }
.spec-table .value { font-weight: 700; font-family: var(--mono); }
.spec-table .explain { color: var(--muted); font-size: 0.87rem; margin-top: 4px; }

.detail-header {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
}
.detail-header .media {
  width: 320px;
  max-width: 100%;
  aspect-ratio: 16/10;
  background: radial-gradient(ellipse at center, #171d24, #0c0f12 75%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.detail-header .media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,0.7));
}
.detail-header .info { padding: 24px 8px; flex: 1; min-width: 240px; }
.detail-header .emoji-lg { font-size: 4rem; }
.detail-header .price-box { margin-left: auto; text-align: right; padding: 24px 28px; }
.detail-header .price-box .price { font-size: 2.1rem; font-weight: 800; font-family: var(--mono); color: var(--green-bright); }

.callout {
  background: var(--panel);
  border-left: 3px solid var(--green);
  padding: 16px 20px;
  border-radius: 8px;
  margin: 20px 0;
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.callout.yellow { border-left-color: var(--yellow); }
.callout.green { border-left-color: var(--green); }
.callout code { background: rgba(118,185,0,0.12); padding: 1px 6px; border-radius: 4px; font-family: var(--mono); color: var(--green-bright); }

.math-box {
  background: #06090b;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.8;
  box-shadow: inset 0 0 30px rgba(118,185,0,0.05);
}
.math-box .result { color: var(--green-bright); font-weight: 800; text-shadow: 0 0 12px rgba(118,185,0,0.5); }

.build-compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin: 20px 0;
}
.build-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.build-card.recommended { border-color: var(--green); box-shadow: 0 0 24px rgba(118,185,0,0.12); }
.build-card h4 { margin-top: 0; }
.build-card .stat { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed var(--border); font-size: 0.92rem; }
.build-card .stat b { font-size: 1rem; font-family: var(--mono); }

.power-fact {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 12px 0;
}
.power-fact .icon { font-size: 2rem; }

form.quiz, form.quote-form { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; max-width: 640px; }
form.quiz label.option {
  display: block;
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color .15s;
}
form.quiz label.option:hover { border-color: var(--green); }
form.quiz input[type=radio] { margin-right: 10px; accent-color: var(--green); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 0.92rem; }
.field input, .field textarea {
  width: 100%; padding: 10px 12px; background: var(--bg-alt); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--green); }
.field textarea { min-height: 80px; }

table.requests-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
table.requests-table th, table.requests-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
table.requests-table th { background: var(--panel-2); color: var(--green-bright); font-family: var(--mono); font-weight: 700; }

.persona-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 20px; }
.persona-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; text-align: center;
  transition: border-color .15s, transform .15s;
}
.persona-card:hover { border-color: var(--green); transform: translateY(-2px); }
.persona-card .emoji { font-size: 3rem; }

.confirm-box {
  background: var(--panel); border: 2px solid var(--green); border-radius: 12px; padding: 36px; text-align: center;
  box-shadow: 0 0 40px rgba(118,185,0,0.15);
}
.confirm-box .req-number { font-size: 2.4rem; font-weight: 800; color: var(--green-bright); font-family: var(--mono); text-shadow: 0 0 16px rgba(118,185,0,0.5); }

footer { background: var(--bg-alt); border-top: 1px solid var(--border); color: var(--muted); padding: 26px 20px; text-align: center; font-size: 0.85rem; margin-top: 60px; position: relative; z-index: 1; }
footer a { color: var(--green-bright); text-decoration: underline; }

.breadcrumb { color: var(--muted); font-size: 0.85rem; margin-bottom: 16px; font-family: var(--mono); }
.breadcrumb a { color: var(--green-bright); }

@media (max-width: 700px) {
  .detail-header { flex-direction: column; }
  .detail-header .media { width: 100%; }
  .detail-header .price-box { margin-left: 0; text-align: left; padding: 0 24px 24px; }
}