/* ══════════════════════════════════════════
   DOVECOTE SYSTEMS — Design System
   ══════════════════════════════════════════ */

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

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

:root {
  --bg:         #0d1117;
  --surface:    #161b22;
  --surface2:   #21262d;
  --border:     #30363d;
  --text:       #e6edf3;
  --muted:      #8b949e;
  --green:      #3fb950;
  --green-dim:  #196c2e;
  --green-glow: rgba(63,185,80,0.15);
  --teal:       #39c5cf;
  --amber:      #d29922;
  --purple:     #bc8cff;
  --red:        #f85149;
  --font:       'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:       'Courier Prime', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Dot pattern background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(63,185,80,0.07) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ══════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-logo-icon { font-size: 24px; }
.nav-logo-text {
  font-size: 18px; font-weight: 700; letter-spacing: 1px;
  color: var(--green);
  text-shadow: 0 0 20px rgba(63,185,80,0.3);
}
.nav-logo-text span { color: var(--muted); font-weight: 400; font-size: 11px; display: block; letter-spacing: 0.5px; line-height: 1; margin-top: -2px; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  color: var(--muted); font-size: 13px; font-weight: 500;
  letter-spacing: 0.8px; text-transform: uppercase;
  position: relative; padding: 4px 0;
  transition: color 0.2s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-portal {
  background: rgba(57,197,207,0.1); border: 1px solid rgba(57,197,207,0.3);
  color: var(--teal); padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.8px;
  transition: all 0.2s;
}
.nav-portal:hover { background: rgba(57,197,207,0.2); color: #fff; }
.nav-hamburger { display: none; background: none; border: none; color: var(--text); font-size: 24px; cursor: pointer; }

/* ══════════════════════════════════════════
   HERO
   ══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}
.hero-matrix { margin-bottom: 40px; }
.logo-container {
  display: inline-block; padding: 12px;
  background: #000;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(63,185,80,0.2), 0 0 60px rgba(63,185,80,0.1);
  position: relative;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(63,185,80,0.15), rgba(63,185,80,0.05));
  border: 1px solid var(--green);
  color: var(--green);
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 14px; font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-primary:hover {
  background: rgba(63,185,80,0.2);
  box-shadow: 0 0 24px rgba(63,185,80,0.3);
  transform: translateY(-2px);
  color: #fff;
}

/* ══════════════════════════════════════════
   SECTION COMMON
   ══════════════════════════════════════════ */
section { padding: 100px 24px; position: relative; z-index: 1; }
.section-label {
  font-size: 11px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--green);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700; margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.section-desc {
  font-size: 17px; color: var(--muted);
  max-width: 640px; line-height: 1.7;
  margin-bottom: 48px;
}
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ══════════════════════════════════════════
   GLASSMORPHISM CARDS
   ══════════════════════════════════════════ */
.glass-card {
  background: rgba(22,27,34,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.3s ease;
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(63,185,80,0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px rgba(63,185,80,0.08);
}
.card-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}
.card-title {
  font-size: 18px; font-weight: 700;
  margin-bottom: 12px; color: var(--text);
}
.card-text {
  font-size: 14px; color: var(--muted);
  line-height: 1.7;
}

/* ══════════════════════════════════════════
   CAPABILITIES GRID
   ══════════════════════════════════════════ */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ══════════════════════════════════════════
   TECH SPECS
   ══════════════════════════════════════════ */
.tech-section { background: var(--surface); }
.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.spec-item {
  text-align: center;
  padding: 28px 16px;
  background: rgba(13,17,23,0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.3s;
}
.spec-item:hover { border-color: var(--green-dim); }
.spec-number {
  font-size: 36px; font-weight: 800;
  color: var(--green);
  line-height: 1;
  margin-bottom: 4px;
  font-family: var(--mono);
}
.spec-unit {
  font-size: 14px; color: var(--teal);
  font-weight: 600; margin-bottom: 8px;
}
.spec-label {
  font-size: 12px; color: var(--muted);
  letter-spacing: 0.5px;
}

/* Topology diagram */
.topology-box {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  overflow-x: auto;
}
.topology-box pre {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green);
  line-height: 1.5;
  white-space: pre;
}

/* ══════════════════════════════════════════
   OPEN SOURCE
   ══════════════════════════════════════════ */
.oss-quote {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text);
  border-left: 3px solid var(--green);
  padding-left: 24px;
  margin-bottom: 36px;
  max-width: 800px;
}
.oss-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.oss-tag {
  background: rgba(63,185,80,0.08);
  border: 1px solid var(--green-dim);
  color: var(--green);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.5px;
}

/* ══════════════════════════════════════════
   VISION
   ══════════════════════════════════════════ */
.vision-section { background: var(--surface); }
.vision-quote {
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 300;
  font-style: italic;
  color: var(--teal);
  text-align: center;
  margin-bottom: 48px;
  line-height: 1.5;
}
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.vision-item {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: rgba(13,17,23,0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px; font-weight: 500;
  transition: border-color 0.3s;
}
.vision-item:hover { border-color: var(--teal); }
.vision-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════
   ROADMAP TIMELINE
   ══════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 40px;
  max-width: 700px;
}
.timeline::before {
  content: '';
  position: absolute; left: 14px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--green), var(--teal), var(--purple));
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding: 20px 24px;
  background: rgba(22,27,34,0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.3s;
}
.timeline-item:hover { border-color: var(--green-dim); }
.timeline-item::before {
  content: '';
  position: absolute; left: -33px; top: 24px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--green);
  border: 2px solid var(--bg);
  box-shadow: 0 0 10px rgba(63,185,80,0.4);
}
.timeline-when {
  font-size: 11px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--green);
  margin-bottom: 6px;
}
.timeline-title {
  font-size: 16px; font-weight: 700;
  margin-bottom: 4px;
}
.timeline-desc {
  font-size: 13px; color: var(--muted);
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
}
.footer-company {
  font-size: 18px; font-weight: 700;
  color: var(--green);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.footer-details {
  font-size: 13px; color: var(--muted);
  margin-bottom: 4px;
}
.footer-copy {
  font-size: 11px; color: var(--muted);
  margin-top: 24px;
  letter-spacing: 0.5px;
}

/* ══════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 30px rgba(63,185,80,0.2), 0 0 60px rgba(63,185,80,0.1); }
  50% { box-shadow: 0 0 40px rgba(63,185,80,0.35), 0 0 80px rgba(63,185,80,0.15); }
}
.pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 900px) {
  .capabilities-grid, .specs-grid, .vision-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
}
@media (max-width: 600px) {
  .capabilities-grid, .specs-grid, .vision-grid { grid-template-columns: 1fr; }
  section { padding: 60px 16px; }
  .hero { padding: 100px 16px 60px; }
}