/* ==========================================================================
   Qorvexaner — design tokens
   ========================================================================== */
:root {
  --bg: #0b0e14;
  --surface: #11151c;
  --surface-raised: #161b22;
  --border: #232a36;
  --border-bright: #2f3848;
  --text: #d6deeb;
  --text-muted: #8993a4;
  --text-dim: #5a6472;
  --blue: #5aa1e3;
  --yellow: #ffd84d;
  --green: #3ecf8e;
  --red: #e5534b;

  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 6px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 42px 42px;
  background-attachment: fixed;
  background-position: -1px -1px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(90,161,227,0.10), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

::selection { background: var(--blue); color: #061019; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.mono { font-family: var(--mono); }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
}
.eyebrow::before { content: "# "; color: var(--text-dim); }

h1, h2, h3 {
  font-family: var(--mono);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 16px;
  color: #f0f4fa;
}
h1 { font-size: clamp(32px, 5vw, 52px); letter-spacing: -0.01em; }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: 18px; }

p { color: var(--text-muted); margin: 0 0 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-bright);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #06170f;
}
.btn-primary:hover { background: #4fe0a3; border-color: #4fe0a3; }
.btn-ghost {
  background: transparent;
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ==========================================================================
   Header / footer
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  color: #f0f4fa;
}
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.brand .path { color: var(--text-dim); font-weight: 400; }

.main-nav { display: flex; gap: 28px; align-items: center; }
.main-nav a {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--green); }
.nav-toggle { display: none; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 28px;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 14px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--text-muted); font-size: 14px; }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 8px;
}

/* ==========================================================================
   Hero — terminal window (signature element)
   ========================================================================== */
.hero {
  padding: 88px 0 64px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-copy .eyebrow { margin-bottom: 18px; display: inline-block; }
.hero-copy p.lead { font-size: 17px; max-width: 46ch; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.terminal {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.6);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
}
.terminal-bar span {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--border-bright);
}
.terminal-bar span:nth-child(1) { background: #e5534b; }
.terminal-bar span:nth-child(2) { background: #ffd84d; }
.terminal-bar span:nth-child(3) { background: #3ecf8e; }
.terminal-bar .title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}
.terminal-body {
  padding: 22px 20px 26px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-muted);
  min-height: 220px;
}
.terminal-body .prompt { color: var(--green); }
.terminal-body .path { color: var(--blue); }
.terminal-body .out { color: var(--text); }
.terminal-body .comment { color: var(--text-dim); }
.caret {
  display: inline-block;
  width: 8px; height: 15px;
  background: var(--green);
  margin-left: 2px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; }
}

/* ==========================================================================
   Sections
   ========================================================================== */
section { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head .eyebrow { margin-bottom: 12px; display: inline-block; }

/* Mission */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.mission-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.mission-card .idx { font-family: var(--mono); color: var(--text-dim); font-size: 12px; }

/* ==========================================================================
   Catalog — directory listing (signature element)
   ========================================================================== */
.listing {
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}
.listing-head {
  display: grid;
  grid-template-columns: 90px 1fr 140px 110px 130px;
  gap: 12px;
  padding: 12px 20px;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.listing-row {
  display: grid;
  grid-template-columns: 90px 1fr 140px 110px 130px;
  gap: 12px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s ease;
}
.listing-row:last-child { border-bottom: none; }
.listing-row:hover { background: var(--surface-raised); }
.listing-perm { font-family: var(--mono); font-size: 12.5px; color: var(--text-dim); }
.listing-name { display: flex; flex-direction: column; gap: 4px; }
.listing-name .fname { font-family: var(--mono); font-weight: 600; color: #f0f4fa; font-size: 14.5px; }
.listing-name .ftag { font-size: 13px; color: var(--text-muted); }
.listing-ext { font-family: var(--mono); font-size: 12.5px; color: var(--blue); }
.listing-size { font-family: var(--mono); font-size: 14px; color: var(--yellow); }
.listing-size.free { color: var(--green); }
.listing-action .btn { padding: 9px 14px; font-size: 12.5px; }

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.feature {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--surface);
}
.feature .icon { font-family: var(--mono); color: var(--green); font-size: 20px; margin-bottom: 10px; display: block; }
.feature h3 { font-size: 15.5px; margin-bottom: 8px; }
.feature p { font-size: 13.5px; margin: 0; }

/* FAQ */
.faq-list { border-top: 1px solid var(--border); margin-top: 24px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  padding: 20px 4px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q .sign { color: var(--green); font-size: 18px; flex-shrink: 0; }
.faq-a {
  padding: 0 4px 20px;
  max-width: 68ch;
  display: none;
  color: var(--text-muted);
  font-size: 14.5px;
}
.faq-item.open .faq-a { display: block; }

/* ==========================================================================
   Product page
   ========================================================================== */
.breadcrumb {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  padding: 20px 0 0;
}
.breadcrumb a { color: var(--blue); }

.product-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  padding-top: 32px;
}
.product-main .level-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid var(--border-bright);
  border-radius: 4px;
  padding: 4px 9px;
  margin-bottom: 16px;
}
.product-main .tagline { font-size: 17px; color: var(--text-muted); max-width: 60ch; }

.modules-list { margin-top: 12px; }
.modules-list li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--text);
}
.modules-list li:last-child { border-bottom: none; }
.modules-list .num { font-family: var(--mono); color: var(--text-dim); flex-shrink: 0; }

.buy-card {
  align-self: start;
  position: sticky;
  top: 92px;
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  padding: 24px;
}
.buy-card .price { font-family: var(--mono); font-size: 34px; color: #f0f4fa; margin-bottom: 4px; }
.buy-card .price.free { color: var(--green); }
.buy-card .meta { font-size: 13px; color: var(--text-dim); margin-bottom: 20px; }
.buy-card .spec { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--border); font-size: 13.5px; }
.buy-card .spec span:first-child { color: var(--text-dim); font-family: var(--mono); }

/* ==========================================================================
   Loading page
   ========================================================================== */
.loading-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.loading-box { max-width: 380px; }
.spinner {
  width: 40px; height: 40px;
  margin: 0 auto 28px;
  border: 3px solid var(--border-bright);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 2.4s; }
}
.loading-box .status { font-family: var(--mono); color: var(--text); font-size: 15px; margin-bottom: 8px; }
.loading-box .sub { font-size: 13.5px; color: var(--text-dim); }
.fallback-box {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 22px;
  margin-top: 8px;
  text-align: left;
}
.fallback-box.show { display: block; }

/* ==========================================================================
   Simple content pages
   ========================================================================== */
.page-hero { padding: 72px 0 32px; }
.legal-content, .about-content, .contact-content {
  padding: 8px 0 64px;
  max-width: 74ch;
}
.legal-content h2 { margin-top: 40px; font-size: 19px; }
.legal-content p, .legal-content li { font-size: 14.5px; }
.legal-content ul { list-style: disc; padding-left: 20px; margin-bottom: 16px; }
.updated { font-family: var(--mono); font-size: 12px; color: var(--text-dim); margin-bottom: 32px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 16px; }
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.contact-card .label { font-family: var(--mono); font-size: 12px; color: var(--text-dim); text-transform: uppercase; margin-bottom: 6px; }
.contact-card .value { font-family: var(--mono); font-size: 15px; color: var(--text); }

.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }

.state-msg {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text-dim);
  padding: 60px 0;
  text-align: center;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .product-layout { grid-template-columns: 1fr; }
  .buy-card { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .listing-head { display: none; }
  .listing-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 16px;
  }
  .listing-action { margin-top: 4px; }
}

@media (max-width: 640px) {
  .main-nav { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}