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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #07080f;
  --bg-card: #0c0e1c;
  --accent: #22d3ee;
  --accent-dim: rgba(34,211,238,0.07);
  --accent-border: rgba(34,211,238,0.22);
  --text-primary: #dde3f0;
  --text-secondary: #5a6a8a;
  --border: rgba(255,255,255,0.055);
  --amber: #f59e0b;
  --grid-line: rgba(28,50,110,0.28);
  --grid-size: 48px;
}

html { scroll-behavior: smooth; background: var(--bg); }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: transparent;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* Background interaction canvas — WebGL grid warp (z-index 0, behind all content) */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Static grid fallback for prefers-reduced-motion (no WebGL animation) */
@media (prefers-reduced-motion: reduce) {
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(var(--grid-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: var(--grid-size) var(--grid-size);
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, rgba(0,0,0,0.45) 50%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, rgba(0,0,0,0.45) 50%, transparent 100%);
  }
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 44px;
  background: rgba(7,8,15,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.wordmark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 13px;
  font-weight: 450;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active {
  color: var(--text-primary);
  position: relative;
}
.nav-links a.active::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}
.btn-contact {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px !important;
  font-weight: 500 !important;
  color: var(--accent) !important;
  border: 1px solid var(--accent-border);
  padding: 6px 14px;
  border-radius: 2px;
  background: var(--accent-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s !important;
}
.btn-contact:hover {
  background: rgba(34,211,238,0.14) !important;
  box-shadow: 0 0 18px rgba(34,211,238,0.18) !important;
}

/* FOOTER */
footer {
  padding: 28px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}
.footer-word {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--text-secondary);
  text-transform: uppercase;
}
.footer-email {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-email:hover { color: var(--accent); }

/* SECTION COMMON */
.section-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--text-secondary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-id span { color: var(--accent); }
.section-heading {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 52px;
}

/* CARDS */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 36px 36px 32px;
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.card::before, .card::after,
.card > .cc {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
  pointer-events: none;
}
.card::before { top: -1px; left: -1px; border-top: 1px solid var(--accent-border); border-left: 1px solid var(--accent-border); }
.card::after  { bottom: -1px; right: -1px; border-bottom: 1px solid var(--accent-border); border-right: 1px solid var(--accent-border); }
.card > .cc.tr { top:-1px; right:-1px; border-top: 1px solid var(--accent-border); border-right: 1px solid var(--accent-border); }
.card > .cc.bl { bottom:-1px; left:-1px; border-bottom: 1px solid var(--accent-border); border-left: 1px solid var(--accent-border); }
.card:hover { border-color: rgba(34,211,238,0.3); box-shadow: 0 4px 40px rgba(0,0,0,0.5); }

.card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-num::before { content: ''; width: 6px; height: 6px; background: var(--accent); display: inline-block; }
.card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
  letter-spacing: -0.015em;
}
.card-body {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
  text-wrap: pretty;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: gap 0.2s;
}
.card-link:hover { gap: 12px; }

/* SPEC TABLE */
.spec-table {
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-card);
  position: relative;
}
.spec-table::before, .spec-table::after,
.spec-table > .cc {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
}
.spec-table::before { top: -1px; left: -1px; border-top: 1px solid var(--accent-border); border-left: 1px solid var(--accent-border); }
.spec-table::after  { bottom: -1px; right: -1px; border-bottom: 1px solid var(--accent-border); border-right: 1px solid var(--accent-border); }
.spec-table > .cc.tr { top:-1px; right:-1px; border-top: 1px solid var(--accent-border); border-right: 1px solid var(--accent-border); }
.spec-table > .cc.bl { bottom:-1px; left:-1px; border-bottom: 1px solid var(--accent-border); border-left: 1px solid var(--accent-border); }

.spec-header {
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}
.spec-header span:last-child { color: var(--text-secondary); }
.spec-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 13px 22px;
  border-bottom: 1px dashed var(--border);
  transition: background 0.15s;
  gap: 16px;
}
.spec-row:last-child { border-bottom: none; }
.spec-row:hover { background: rgba(34,211,238,0.025); }
.spec-key { font-size: 13.5px; color: var(--text-secondary); }
.spec-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-align: right;
  white-space: nowrap;
}
.spec-val.accent { color: var(--accent); }

/* CONTACT FORM */
.form-group { margin-bottom: 18px; }
label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 9px;
}
input, textarea {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background: rgba(10,12,22,0.8);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: var(--text-secondary); opacity: 0.5; }
input:focus, textarea:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.08);
}
textarea { resize: vertical; min-height: 140px; font-family: 'Inter', sans-serif; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.btn-submit {
  margin-top: 8px;
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 14px;
  border-radius: 3px;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  letter-spacing: 0.02em;
}
.btn-submit:hover { box-shadow: 0 0 36px rgba(34,211,238,0.35); transform: translateY(-1px); }
.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
  border: 1px solid var(--accent-border);
  border-radius: 2px;
  background: var(--accent-dim);
}
.form-success.visible { display: block; }
.form-success h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em; }
.form-success p { font-size: 13.5px; color: var(--text-secondary); }

/* SHARED PAGE HERO (inner pages) */
.page-hero {
  padding: 140px 48px 96px;
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}
.page-hero-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: rgba(34,211,238,0.7);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: block;
}
.page-headline {
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text-primary);
  max-width: 700px;
  margin-bottom: 22px;
}
.page-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
}

/* SHARED BTN */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 13px 28px;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow 0.25s, transform 0.15s;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  box-shadow: 0 0 36px rgba(34,211,238,0.4);
  transform: translateY(-1px);
}

/* ENTRY ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* MOBILE NAV */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); background: var(--text-primary); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); background: var(--text-primary); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 58px; left: 0; right: 0;
  z-index: 99;
  background: rgba(7,8,15,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 15px;
  font-weight: 450;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--text-primary); }
.mobile-menu .mobile-contact {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { gap: 18px; }
  .nav-links li:not(:last-child) { display: none; }
  .nav-burger { display: flex; }
  .cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  footer { padding: 22px 20px; }
}