/* =========================================
   BUILD LIBRARY SECTION STYLES (DARK THEME)
   ========================================= */
:root {
  --nav-height: 80px;
  --bg-dark: #000c1a;
  --bg-darker: #00050d;
  --text-light: #f8fafc;
  --text-muted: #94a3b8;
  --accent-gold: #dcb118;
  --accent-purple: #7000ff;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.07);
  --font-main: "Poppins", sans-serif;
  --font-title: "Oswald", sans-serif;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.build-library-section {
  position: relative;
  padding: 8rem 4rem;
  background: linear-gradient(rgba(0, 12, 26, 0.85), rgba(0, 12, 26, 0.95)),
    url("../assets/images/build-library.jpeg") no-repeat center center;
  background-size: cover;
  background-attachment: fixed;
  color: var(--text-light);
  overflow: hidden;
  font-family: var(--font-main);
}

/* =========================================
   ANIMATED BACKGROUND
   ========================================= */
.build-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  z-index: 0;
  opacity: 0.4;
  pointer-events: none;
}

.glow-purple {
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
  animation: pulseRotate 15s infinite alternate ease-in-out;
}

.glow-gold {
  bottom: -20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-gold) 0%, transparent 70%);
  animation: pulseRotate 12s infinite alternate-reverse ease-in-out;
  opacity: 0.2;
}

@keyframes pulseRotate {
  0% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(5%, 5%) scale(1.1);
  }

  100% {
    transform: translate(-2%, 2%) scale(0.95);
  }
}

/* =========================================
   CONTAINER & HEADER
   ========================================= */
.build-container {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
}

.build-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 5rem;
}

.build-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(220, 177, 24, 0.1);
  border: 1px solid rgba(220, 177, 24, 0.3);
  border-radius: 50px;
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 2rem;
}

.build-title {
  font-family: var(--font-title);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #fff 30%, rgba(255, 255, 255, 0.5) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.build-title span {
  display: block;
  color: var(--accent-gold);
  -webkit-text-fill-color: var(--accent-gold);
}

.build-lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-muted);
  line-height: 1.6;
}

/* =========================================
   FEATURES GRID
   ========================================= */
.build-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}

.build-card {
  position: relative;
  padding: 3.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow: hidden;
}

.build-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
}

.build-card:hover {
  transform: translateY(-10px);
  background: var(--glass-hover);
  border-color: rgba(220, 177, 24, 0.4);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.build-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(112, 0, 255, 0.1);
  border-radius: 16px;
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent-purple);
}

.build-card:hover .card-icon {
  background: var(--accent-gold);
}

.build-card:hover .card-icon svg {
  stroke: var(--bg-dark);
}

.card-title {
  font-family: var(--font-title);
  font-size: 2rem;
  text-transform: uppercase;
  color: #fff;
}

.card-text {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* =========================================
   CTA SECTION
   ========================================= */
.build-cta {
  background: linear-gradient(90deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
  border: 1px solid var(--glass-border);
  border-radius: 40px;
  padding: 5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.cta-header h3 {
  font-family: var(--font-title);
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.cta-header p {
  color: var(--text-muted);
  font-size: 1.2rem;
  max-width: 600px;
}

.build-button {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 3.5rem;
  background: var(--accent-gold);
  color: var(--bg-dark);
  text-decoration: none;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 50px;
  transition: var(--transition);
}

.build-button:hover {
  transform: scale(1.05);
  background: #fff;
  box-shadow: 0 0 40px var(--gold-glow);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .build-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .build-library-section {
    padding: 6rem 2.5rem;
  }

  .build-cta {
    padding: 3rem;
  }
}

@media (max-width: 768px) {
  .build-title {
    font-size: 3.5rem;
  }

  .build-card {
    padding: 2rem;
  }

  .cta-header h3 {
    font-size: 2rem;
  }
}