:root {
  --bg: #090a11;
  --bg-card: rgba(24, 28, 44, 0.72);
  --bg-card-2: rgba(34, 39, 60, 0.75);
  --border: #2a3050;
  --text: #eef0f7;
  --text-dim: #9aa1b8;
  --accent: #76b900; /* NVIDIA green */
  --accent-2: #9fe870;
  --cyan: #22d3ee;
  --purple: #c084fc;
  --orange: #fb923c;
  --pink: #fb5aa4;
  --warn: #f0b429;
  --radius: 14px;
}
* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(118, 185, 0, 0.22), transparent 32%),
    radial-gradient(circle at 88% 0%, rgba(192, 132, 252, 0.18), transparent 34%),
    radial-gradient(circle at 75% 60%, rgba(34, 211, 238, 0.10), transparent 40%),
    radial-gradient(circle at 10% 80%, rgba(251, 90, 164, 0.10), transparent 38%),
    radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: auto, auto, auto, auto, 26px 26px;
  background-attachment: fixed, fixed, fixed, fixed, fixed;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(9, 10, 17, 0.96), rgba(9, 10, 17, 0.85));
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; flex-wrap: wrap; gap: 10px; }
.brand { display: inline-flex; align-items: center; line-height: 0; }
.brand:hover { text-decoration: none; }
.brand-mark { display: block; filter: drop-shadow(0 0 10px rgba(159, 232, 112, 0.35)); transition: filter .2s; }
.brand:hover .brand-mark { filter: drop-shadow(0 0 16px rgba(34, 211, 238, 0.55)); }
.footer-inner { display: flex; align-items: center; gap: 12px; }
nav a { color: var(--text-dim); margin-left: 18px; font-size: 0.92rem; transition: color .15s; }
nav a:first-child { margin-left: 0; }
nav a:hover { color: var(--accent-2); text-decoration: none; }

main.wrap { padding: 36px 20px 60px; }

h1 { font-size: 2rem; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 {
  font-size: 1.4rem; margin: 40px 0 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, var(--text), var(--text-dim));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h3 { font-size: 1.12rem; margin: 0 0 6px; color: var(--text); }
p.lead { color: var(--text-dim); font-size: 1.06rem; max-width: 720px; }

.badge {
  display: inline-block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 3px 11px; border-radius: 999px; margin-right: 6px;
  background: color-mix(in srgb, var(--badge-color, var(--accent)) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--badge-color, var(--accent)) 55%, transparent);
  color: var(--badge-color, var(--accent-2));
}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-top: 18px; align-items: start; }
.grid-wide { display: grid; grid-template-columns: repeat(auto-fit, minmax(460px, 1fr)); gap: 20px; margin-top: 18px; align-items: start; }

.card {
  background: var(--bg-card);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-top: 3px solid var(--cat-color, var(--accent));
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card + .card { margin-top: 16px; }
.grid > .card, .grid-wide > .card, .grid > .card + .card, .grid-wide > .card + .card { margin-top: 0; }
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px -12px color-mix(in srgb, var(--cat-color, var(--accent)) 55%, transparent);
}

.card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 4px; }
.hw-icon { width: 46px; height: 46px; flex: 0 0 auto; filter: drop-shadow(0 0 8px color-mix(in srgb, var(--cat-color, var(--accent)) 45%, transparent)); }

.product-photo {
  height: 190px; display: flex; align-items: center; justify-content: center;
  border-radius: 12px; margin-bottom: 16px; overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--cat-color, var(--accent)) 22%, transparent), transparent 70%),
    rgba(9, 10, 17, 0.55);
  border: 1px solid var(--border);
  position: relative;
}
.product-photo img { max-width: 92%; max-height: 92%; object-fit: contain; filter: drop-shadow(0 10px 22px rgba(0,0,0,0.55)); }
.product-photo img.is-cover { width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: cover; filter: none; }
.product-photo .product-photo-fallback { display: flex; align-items: center; justify-content: center; }
.product-photo .product-photo-fallback .hw-icon { width: 84px; height: 84px; }
.product-photo-credit {
  position: absolute; bottom: 4px; right: 8px; font-size: 0.65rem; color: rgba(255,255,255,0.35);
}

.spec-row { display: flex; justify-content: space-between; align-items: baseline; padding: 9px 0; border-top: 1px dashed var(--border); gap: 16px; }
.spec-row:first-of-type { border-top: none; }
.spec-label { color: var(--text-dim); font-size: 0.85rem; flex: 0 0 auto; }
.spec-value { font-weight: 700; text-align: right; }
.explain { color: var(--text-dim); font-size: 0.82rem; margin: 2px 0 10px; padding-left: 10px; border-left: 2px solid var(--cat-color, var(--border)); }

.price-tag {
  font-weight: 800; font-size: 1.3rem;
  background: linear-gradient(90deg, var(--accent-2), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.source-link { font-size: 0.75rem; color: var(--text-dim); }
.source-link a { color: var(--text-dim); }

table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--text-dim); font-weight: 700; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; }
tbody tr:hover { background: rgba(255,255,255,0.03); }

.build-box {
  position: relative;
  background: linear-gradient(155deg, color-mix(in srgb, var(--cat-color, var(--accent)) 14%, var(--bg-card-2)), var(--bg-card-2));
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--accent)) 55%, var(--border));
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-top: 16px;
  overflow: hidden;
}
.build-box::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--cat-color, var(--accent)) 30%, transparent), transparent 55%);
}
.build-box-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.build-total {
  font-size: 1.7rem; font-weight: 800;
  background: linear-gradient(90deg, var(--cat-color, var(--accent-2)), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.power-eq { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; position: relative; }
.power-eq div {
  background: rgba(9, 10, 17, 0.55); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; font-size: 0.85rem; color: var(--text-dim);
}
.power-eq strong { color: var(--text); }

.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08130a; font-weight: 800; padding: 11px 22px; border-radius: 9px; border: none; cursor: pointer;
  font-size: 0.95rem; box-shadow: 0 4px 18px -6px rgba(118, 185, 0, 0.6);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 8px 26px -6px rgba(118, 185, 0, 0.75); filter: brightness(1.06); }
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--text); box-shadow: none; }
.btn-secondary:hover { border-color: var(--cyan); box-shadow: none; filter: none; color: var(--cyan); }

form.quote-form { max-width: 480px; margin-top: 16px; position: relative; }
form.quote-form label { display: block; margin: 14px 0 6px; font-size: 0.85rem; color: var(--text-dim); }
form.quote-form input, form.quote-form textarea, form.quote-form select {
  width: 100%; padding: 11px 13px; background: rgba(9, 10, 17, 0.55); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 0.95rem; font-family: inherit;
  transition: border-color .15s;
}
form.quote-form input:focus, form.quote-form textarea:focus, form.quote-form select:focus { outline: none; border-color: var(--accent-2); }
form.quote-form textarea { resize: vertical; min-height: 70px; }
form.quote-form select { cursor: pointer; }

.stars { font-size: 1.05rem; letter-spacing: 1px; white-space: nowrap; }
.stars-count { color: var(--text-dim); font-size: 0.78rem; letter-spacing: normal; margin-left: 4px; }

.error-box { background: rgba(196, 40, 40, 0.15); border: 1px solid #7a2b2b; color: #ffb3b3; padding: 12px 16px; border-radius: 10px; margin: 16px 0; }
.confirm-box {
  background: linear-gradient(155deg, rgba(118,185,0,0.16), var(--bg-card-2));
  border: 1px solid var(--accent); border-radius: var(--radius); padding: 32px; margin-top: 20px; text-align: center;
}
.confirm-box .req-number {
  font-size: 2.4rem; font-weight: 800; margin: 12px 0;
  background: linear-gradient(90deg, var(--accent-2), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.note {
  background: rgba(240, 180, 41, 0.08); border-left: 3px solid var(--warn);
  padding: 11px 16px; font-size: 0.88rem; color: var(--text-dim); margin: 14px 0; border-radius: 0 10px 10px 0;
}

.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) { .cols-2 { grid-template-columns: 1fr; } }

.site-footer { border-top: 1px solid var(--border); padding: 26px 0; color: var(--text-dim); font-size: 0.82rem; margin-top: 44px; }

.home-hero {
  position: relative; padding: 44px 40px; margin: 10px 0 10px; border-radius: 20px; overflow: hidden;
  background: linear-gradient(135deg, rgba(118,185,0,0.16), rgba(192,132,252,0.10), rgba(34,211,238,0.08));
  border: 1px solid var(--border);
}
.home-hero::before {
  content: ""; position: absolute; inset: 0; opacity: 0.5; pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 34px);
}
.home-hero::after {
  content: ""; position: absolute; width: 340px; height: 340px; right: -100px; top: -120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(192,132,252,0.35), transparent 70%); pointer-events: none;
}
.home-hero > * { position: relative; z-index: 1; }
.home-hero h1 {
  font-size: 2.4rem;
  background: linear-gradient(90deg, var(--accent-2), var(--cyan) 55%, var(--purple));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.stat-row { display: flex; gap: 18px; margin-top: 26px; flex-wrap: wrap; }
.stat {
  background: rgba(9,10,17,0.5); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 24px; min-width: 170px;
}
.stat .num {
  font-size: 1.7rem; font-weight: 800;
  background: linear-gradient(90deg, var(--accent-2), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .label { color: var(--text-dim); font-size: 0.82rem; margin-top: 2px; }

.cta-row { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.feature-icon { font-size: 1.6rem; margin-bottom: 6px; display: block; }