/* Page 4 - Custom Builds: Retro-Futuristic / Neon Cyber */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --clr-bg: #06070d;
  --clr-surface: #0d0f18;
  --clr-card: #10132000;
  --clr-card-border: rgba(0, 234, 255, 0.08);
  --clr-text: #e0e8f0;
  --clr-muted: #5a6a80;
  --clr-neon: #00eaff;
  --clr-neon-dim: rgba(0, 234, 255, 0.08);
  --clr-neon-glow: rgba(0, 234, 255, 0.15);
  --clr-magenta: #ff2d7b;
  --clr-violet: #8b5cf6;
  --font-display: 'Chakra Petch', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-display);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Grid background */
.grid-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 234, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 234, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Scanline effect */
.grid-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* Neon glow orbs */
.neon-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.neon-orb-1 {
  width: 500px; height: 500px;
  background: var(--clr-neon-glow);
  top: -15%; left: 20%;
  animation: orbPulse 8s ease-in-out infinite;
}

.neon-orb-2 {
  width: 400px; height: 400px;
  background: rgba(255, 45, 123, 0.08);
  bottom: -10%; right: 10%;
  animation: orbPulse 10s ease-in-out infinite 2s;
}

@keyframes orbPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

/* Header */
.build-header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 56px;
  border-bottom: 1px solid var(--clr-card-border);
}

.build-logo {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-neon);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px var(--clr-neon-glow);
}

.build-logo span {
  color: var(--clr-magenta);
}

.build-nav {
  display: flex;
  gap: 28px;
  list-style: none;
}

.build-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--clr-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.build-nav a:hover {
  color: var(--clr-neon);
  text-shadow: 0 0 12px var(--clr-neon-glow);
}

/* Hero */
.build-hero {
  position: relative;
  z-index: 2;
  padding: 120px 56px 80px;
  text-align: center;
}

.build-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: var(--clr-neon-dim);
  border: 1px solid var(--clr-card-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--clr-neon);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0;
  animation: cyberFadeIn 0.6s ease 0.2s forwards;
}

.build-tag::before {
  content: '//';
  color: var(--clr-magenta);
}

.build-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  opacity: 0;
  animation: cyberFadeIn 0.8s ease 0.4s forwards;
}

.build-hero h1 .neon {
  color: var(--clr-neon);
  text-shadow: 0 0 40px var(--clr-neon-glow), 0 0 80px rgba(0, 234, 255, 0.05);
}

.build-hero h1 .magenta {
  color: var(--clr-magenta);
  text-shadow: 0 0 40px rgba(255, 45, 123, 0.15);
}

.build-hero-desc {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 300;
  color: var(--clr-muted);
  max-width: 560px;
  margin: 28px auto 0;
  line-height: 1.7;
  opacity: 0;
  animation: cyberFadeIn 0.7s ease 0.6s forwards;
}

.build-cta-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 44px;
  opacity: 0;
  animation: cyberFadeIn 0.7s ease 0.8s forwards;
}

.btn-neon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--clr-neon);
  color: var(--clr-bg);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 24px var(--clr-neon-glow), 0 4px 16px rgba(0, 234, 255, 0.15);
}

.btn-neon:hover {
  box-shadow: 0 0 48px var(--clr-neon-glow), 0 8px 32px rgba(0, 234, 255, 0.25);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: transparent;
  color: var(--clr-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-ghost:hover {
  border-color: var(--clr-neon);
  color: var(--clr-neon);
}

/* Terminal showcase */
.terminal-section {
  position: relative;
  z-index: 2;
  padding: 40px 56px 100px;
  max-width: 900px;
  margin: 0 auto;
}

.terminal-window {
  background: var(--clr-surface);
  border: 1px solid var(--clr-card-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 60px var(--clr-neon-dim);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--clr-card-border);
}

.terminal-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #ffbd2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clr-muted);
}

.terminal-body {
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 2;
}

.terminal-line {
  opacity: 0;
  animation: typeLine 0.4s ease forwards;
}

.terminal-line:nth-child(1) { animation-delay: 1s; }
.terminal-line:nth-child(2) { animation-delay: 1.4s; }
.terminal-line:nth-child(3) { animation-delay: 1.8s; }
.terminal-line:nth-child(4) { animation-delay: 2.2s; }
.terminal-line:nth-child(5) { animation-delay: 2.6s; }
.terminal-line:nth-child(6) { animation-delay: 3s; }

.terminal-prompt { color: var(--clr-neon); }
.terminal-cmd { color: var(--clr-text); }
.terminal-comment { color: var(--clr-muted); }
.terminal-success { color: #28c840; }
.terminal-accent { color: var(--clr-magenta); }

@keyframes typeLine {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Capabilities grid */
.capabilities-section {
  position: relative;
  z-index: 2;
  padding: 80px 56px 120px;
}

.cap-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-neon);
  margin-bottom: 12px;
  text-align: center;
}

.cap-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
  text-transform: uppercase;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  max-width: 1100px;
  margin: 0 auto;
}

.cap-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-card-border);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.cap-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--clr-neon), var(--clr-magenta));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cap-card:hover::before {
  transform: scaleX(1);
}

.cap-card:hover {
  background: rgba(0, 234, 255, 0.02);
  border-color: rgba(0, 234, 255, 0.15);
  box-shadow: 0 0 40px var(--clr-neon-dim);
}

.cap-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.cap-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.cap-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--clr-muted);
  font-weight: 300;
}

.cap-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.cap-tech span {
  padding: 3px 10px;
  background: var(--clr-neon-dim);
  border: 1px solid var(--clr-card-border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--clr-neon);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Footer */
.build-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px;
  border-top: 1px solid var(--clr-card-border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clr-muted);
  margin-bottom: 80px;
}

/* Animations */
@keyframes cyberFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
  .build-header { padding: 20px 24px; }
  .build-nav { display: none; }
  .build-hero { padding: 80px 24px 60px; }
  .terminal-section { padding: 24px 24px 64px; }
  .capabilities-section { padding: 48px 24px 80px; }
  .build-cta-row { flex-direction: column; align-items: center; }
  .build-footer { padding: 32px 24px; }
}