@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ── Design tokens ── */
:root {
  --bg:        #0F1729;
  --surface:   #172238;
  --surface2:  #1C2A42;
  --border:    #243558;
  --border2:   #2E415E;
  --accent:    #FF7A00;
  --accent-dim:#0099CC;
  --accent-glow: rgba(255,122,0,0.18);
  --signal:    #4caf7d;
  --text:      #E8EDF7;
  --muted:     #7A8AA8;
  --muted2:    #5C6A7A;
  --white:     #FFFFFF;
  --danger:    #FF4D6D;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  --radius:    8px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow:    0 2px 16px rgba(0,0,0,0.45);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.55);
  --glow:      0 0 24px rgba(255,122,0,0.25);

  --transition: 0.18s ease;
  --max-w: 1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem; font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none; white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent); color: #080F1C;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #00D4FF; border-color: #00D4FF;
  box-shadow: var(--glow); transform: translateY(-1px); opacity: 1;
}
.btn-outline {
  background: transparent; color: var(--text);
  border-color: var(--border2);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent); opacity: 1;
}
.btn-ghost {
  background: var(--surface); color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface2); border-color: var(--border2); opacity: 1; }
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Section layout ── */
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.section-eyebrow::before { content: '// '; opacity: 0.5; }
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.02em;
  color: var(--text); margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem; color: var(--muted); line-height: 1.7;
  max-width: 600px; margin: 0 auto;
}
.divider {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 20px auto 0;
}

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(15,23,41,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
}
.header-logo img { height: 36px; width: auto; }
.header-nav { display: flex; align-items: center; gap: 28px; }
.header-nav a {
  font-size: 0.875rem; font-weight: 500;
  color: var(--muted); letter-spacing: 0.01em;
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--text); opacity: 1; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.cart-icon {
  display: flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 0.875rem;
  background: var(--surface); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: var(--radius);
  transition: all var(--transition);
}
.cart-icon:hover { color: var(--text); border-color: var(--border2); opacity: 1; }
.cart-count {
  background: var(--accent); color: #080F1C;
  font-size: 0.65rem; font-weight: 700;
  padding: 1px 5px; border-radius: 10px; min-width: 18px; text-align: center;
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--muted); border-radius: 2px; }
.mobile-menu {
  display: none; background: var(--surface);
  border-bottom: 1px solid var(--border); padding: 16px 24px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; color: var(--muted); font-size: 0.95rem; font-weight: 500;
  padding: 13px 0; border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--text); opacity: 1; }
.mobile-menu a:last-child { border-bottom: none; }
@media (max-width: 800px) {
  .header-nav, .header-actions .btn { display: none; }
  .hamburger { display: flex; }
}

/* ── Hero ── */
.hero {
  background: var(--bg);
  position: relative; overflow: hidden;
  padding: 120px 0 140px;
  border-bottom: 1px solid var(--border);
}
/* grid background */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(36,53,88,0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,53,88,0.4) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
/* radial glow */
.hero::after {
  content: '';
  position: absolute; top: -20%; left: -10%;
  width: 70%; height: 100%;
  background: radial-gradient(ellipse at 30% 40%, rgba(255,122,0,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,122,0,0.08);
  border: 1px solid rgba(255,122,0,0.22);
  color: var(--accent);
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 40px; margin-bottom: 32px;
}
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
.hero-headline {
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  font-weight: 900; line-height: 1; letter-spacing: -0.03em;
  color: var(--text); margin-bottom: 28px;
}
.hero-headline .accent { color: var(--accent); }
.hero-sub {
  font-size: 1.15rem; color: var(--muted); line-height: 1.72;
  max-width: 540px; margin-bottom: 44px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats {
  display: flex; gap: 48px; flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.hero-stat-val {
  font-family: var(--font-mono); font-size: 1.9rem; font-weight: 700;
  color: var(--text); line-height: 1; margin-bottom: 4px;
}
.hero-stat-val span { color: var(--accent); }
.hero-stat-lbl { font-size: 0.8rem; color: var(--muted); }

/* ── Filter tabs ── */
.tabs {
  display: flex; gap: 0; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 4px; width: fit-content; margin: 0 auto 48px;
}
.tab-btn {
  padding: 9px 26px; border: none; border-radius: 6px;
  background: transparent; cursor: pointer;
  font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600;
  color: var(--muted); transition: all var(--transition);
}
.tab-btn.active { background: var(--border2); color: var(--text); }
.tab-btn:hover:not(.active) { color: var(--text); }

/* ── Product cards ── */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--glow);
  transform: translateY(-2px);
}
.product-card.hidden { display: none; }
.pc-img {
  background: linear-gradient(135deg, var(--surface2), var(--bg));
  height: 200px; display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border); overflow: hidden;
}
.pc-img img { max-height: 170px; object-fit: contain; }
.pc-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.pc-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.badge {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 4px;
}
.badge-win  { background: rgba(0,120,212,0.15); color: #60B4FF; border: 1px solid rgba(0,120,212,0.25); }
.badge-mac  { background: rgba(120,80,200,0.15); color: #C084FC; border: 1px solid rgba(120,80,200,0.25); }
.badge-pop  { background: rgba(255,122,0,0.12); color: var(--accent); border: 1px solid rgba(255,122,0,0.2); }
.badge-top  { background: rgba(76,175,125,0.12); color: var(--signal); border: 1px solid rgba(76,175,125,0.2); }
.badge-rec  { background: rgba(255,122,0,0.18); color: #FF7A00; border: 1px solid rgba(255,122,0,0.35); font-weight: 700; }
.pc-name { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.pc-price {
  font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700;
  color: var(--text); margin-bottom: 14px;
}
.pc-specs { list-style: none; flex: 1; margin-bottom: 16px; }
.pc-specs li {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 0.82rem; color: var(--muted); line-height: 1.5;
  padding: 5px 0; border-bottom: 1px solid rgba(36,53,88,0.6);
}
.pc-specs li:last-child { border-bottom: none; }
.spec-dot { color: var(--accent); font-size: 0.6rem; margin-top: 5px; flex-shrink: 0; }
.pc-actions { display: flex; gap: 8px; margin-top: auto; }
.pc-actions .btn { flex: 1; justify-content: center; font-size: 0.82rem; padding: 10px 12px; }

/* ── Included grid ── */
.included-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.inc-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.inc-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px; text-align: center;
  transition: border-color var(--transition);
}
.inc-card:hover { border-color: var(--accent); }
.inc-icon { font-size: 1.6rem; margin-bottom: 10px; display: block; }
.inc-label { font-size: 0.8rem; font-weight: 600; color: var(--muted); line-height: 1.4; }
.inc-note {
  text-align: center; margin-top: 40px;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted2);
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 24px; display: inline-block;
}

/* ── Services ── */
.services-section { background: var(--bg); }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.svc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px; display: flex; flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.svc-card:hover { border-color: var(--border2); box-shadow: var(--shadow); }
.svc-card.featured {
  background: linear-gradient(135deg, rgba(255,122,0,0.06), var(--surface));
  border-color: rgba(255,122,0,0.3);
}
.svc-card.featured:hover { border-color: var(--accent); box-shadow: var(--glow); }
.svc-code {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 600;
  color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 10px;
}
.svc-name { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 6px; line-height: 1.3; }
.svc-price {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600;
  color: var(--muted); margin-bottom: 12px;
}
.svc-card.featured .svc-price { color: var(--accent); }
.svc-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.65; flex: 1; margin-bottom: 20px; }
.svc-card .btn { align-self: flex-start; font-size: 0.82rem; }

/* ── FAQ ── */
.faq-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none;
  padding: 20px 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600;
  color: var(--text); transition: color var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-toggle {
  flex-shrink: 0; width: 22px; height: 22px;
  border-radius: 50%; border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 1rem; line-height: 1;
  transition: all var(--transition);
}
.faq-item.open .faq-toggle {
  background: var(--accent); border-color: var(--accent);
  color: #080F1C; transform: rotate(45deg);
}
.faq-a {
  display: none; padding: 0 0 20px;
  font-size: 0.9rem; color: var(--muted); line-height: 1.75; max-width: 700px;
}
.faq-item.open .faq-a { display: block; }

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 72px 0 36px;
}
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 56px;
}
.footer-logo img { height: 32px; margin-bottom: 16px; }
.footer-about { font-size: 0.875rem; color: var(--muted); line-height: 1.7; margin-bottom: 18px; }
.footer-email a {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent);
  display: block; margin-bottom: 4px;
}
.footer-col-head {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted2); margin-bottom: 16px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); opacity: 1; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted2); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.78rem; color: var(--muted2); transition: color var(--transition); }
.footer-legal a:hover { color: var(--muted); opacity: 1; }

/* ── Product page ── */
.product-page-wrap { padding: 56px 0 80px; }
.breadcrumb { font-size: 0.8rem; color: var(--muted); margin-bottom: 32px; display: flex; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--muted); } .breadcrumb a:hover { color: var(--accent); opacity: 1; }
.breadcrumb-sep { color: var(--muted2); }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.product-gallery {
  background: linear-gradient(135deg, var(--surface2), var(--surface));
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: 48px 40px; text-align: center;
  position: sticky; top: 88px;
}
.product-gallery img { max-height: 320px; object-fit: contain; margin: 0 auto; }
.product-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.product-title { font-size: clamp(1.5rem, 2.5vw, 2.1rem); font-weight: 800; color: var(--text); line-height: 1.2; margin-bottom: 8px; }
.product-price-wrap { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; }
.product-price { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: var(--text); }
.product-ship { font-size: 0.8rem; color: var(--muted); }
.product-desc { font-size: 0.9rem; color: var(--muted); line-height: 1.75; margin-bottom: 28px; }
.specs-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table td { padding: 10px 0; font-size: 0.875rem; }
.specs-table td:first-child { color: var(--muted); width: 42%; font-family: var(--font-mono); font-size: 0.8rem; }
.specs-table td:last-child { font-weight: 600; color: var(--text); }
.support-box {
  background: var(--surface2); border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 24px;
}
.support-box-title { font-size: 0.75rem; font-family: var(--font-mono); color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px; }
.support-box-items { list-style: none; }
.support-box-items li { font-size: 0.85rem; color: var(--muted); padding: 3px 0; display: flex; gap: 8px; align-items: center; }
.support-box-items li::before { content: '→'; color: var(--signal); flex-shrink: 0; }
.product-atc-wrap { display: flex; gap: 10px; }
.product-atc-wrap .btn { flex: 1; justify-content: center; padding: 15px; font-size: 0.95rem; }

/* ── Collection page ── */
.collection-banner { background: var(--surface); border-bottom: 1px solid var(--border); padding: 56px 0; text-align: center; }
.collection-banner h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; letter-spacing: -0.02em; color: var(--text); margin-bottom: 10px; }
.collection-banner p { font-size: 1rem; color: var(--muted); }
.collection-body { padding: 64px 0; }

/* ── Cart ── */
.cart-wrap { padding: 64px 0; max-width: 800px; margin: 0 auto; }
.cart-title { font-size: 2rem; font-weight: 800; color: var(--text); margin-bottom: 32px; }
.cart-empty { text-align: center; padding: 80px 0; color: var(--muted); }
.cart-empty p { margin-bottom: 24px; }
.cart-line {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 20px 0; border-bottom: 1px solid var(--border);
}
.cart-line-img { width: 80px; height: 80px; background: var(--surface2); border-radius: var(--radius); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; }
.cart-line-img img { max-width: 70px; max-height: 70px; object-fit: contain; }
.cart-line-info { flex: 1; }
.cart-line-name { font-weight: 600; color: var(--text); margin-bottom: 4px; font-size: 0.95rem; }
.cart-line-price { font-family: var(--font-mono); font-size: 1.1rem; color: var(--text); }
.cart-line-remove { font-size: 0.78rem; color: var(--muted2); cursor: pointer; background: none; border: none; font-family: var(--font-sans); transition: color var(--transition); }
.cart-line-remove:hover { color: var(--danger); }
.cart-footer { padding: 28px 0; display: flex; justify-content: flex-end; flex-direction: column; align-items: flex-end; gap: 16px; }
.cart-total { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700; color: var(--text); }
.cart-total span { color: var(--muted); font-size: 0.9rem; font-weight: 400; margin-right: 8px; }

/* ── Generic page ── */
.page-wrap { max-width: 820px; margin: 0 auto; padding: 72px 24px; }
.page-wrap h1 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 900; color: var(--text); margin-bottom: 24px; letter-spacing: -0.02em; }
.page-wrap h2 { font-size: 1.3rem; font-weight: 700; color: var(--text); margin: 32px 0 12px; }
.page-wrap p, .page-wrap li { font-size: 0.95rem; color: var(--muted); line-height: 1.8; margin-bottom: 14px; }
.page-wrap ul { padding-left: 20px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .inc-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .hero { padding: 72px 0 96px; }
  .hero-headline { font-size: clamp(2.8rem, 10vw, 4.5rem); }
  .product-grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .inc-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .product-layout { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .hero-stats { gap: 24px; }
  .section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .inc-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}