/* 
   hero.css - Depth Zone 0 (The Sands of Giza)
*/

.hero-section {
  position: relative;
  width: 100%;
  height: 100vh; /* Fallback for older dynamic viewport support */
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-obsidian);
}

.loader-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  z-index: var(--z-overlay);
  transition: opacity 1s ease;
}

.pyramid-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 10px rgba(201, 168, 76, 0.4));
}

.pyramid-face {
  fill: none;
  stroke: var(--color-gold);
  stroke-width: 1.5;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: drawPyramid 2s forwards ease-in-out;
}

.pyramid-apex-beam {
  stroke: var(--color-cyan);
  stroke-width: 1;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: drawBeam 1s forwards ease-in-out 1.5s;
}

.pyramid-glow {
  opacity: 0;
  animation: pulseGlow 3s infinite alternate ease-in-out 2.5s;
}

@keyframes drawPyramid {
  to { stroke-dashoffset: 0; fill: rgba(201, 168, 76, 0.05); }
}

@keyframes drawBeam {
  to { stroke-dashoffset: 0; filter: drop-shadow(0 0 8px var(--color-cyan)); }
}

@keyframes pulseGlow {
  0% { opacity: 0.3; transform: scale(0.9); }
  100% { opacity: 0.8; transform: scale(1.1); }
}

.video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-bg);
  /* Fallback color while loading */
  background: var(--color-basalt);
}

.video-container::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, rgba(5,4,3,0.3) 0%, rgba(5,4,3,0.8) 100%);
  z-index: 1;
}

.bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6) contrast(1.1);
  will-change: transform; /* Hardware Acceleration */
  transform: scale(1.05) translate3d(0, 0, 0); /* Force independent composite layer */
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  max-width: 800px;
  padding: var(--space-md);
  /* Glassmorphism backing for readability */
  background: radial-gradient(circle, rgba(5,4,3,0.7) 0%, rgba(5,4,3,0) 70%);
  border-radius: 50%;
}

.subtitle {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: var(--space-sm);
  opacity: 0.8;
}

.monumental-title {
  font-size: clamp(2.5rem, 5vw, 5rem);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--color-gold);
  text-shadow: 0 4px 12px rgba(0,0,0,0.8);
  /* Thematic gradient */
  background: linear-gradient(to bottom, #fff, var(--color-gold) 70%, var(--color-gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.manifesto-text {
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  color: var(--color-sand);
  margin: 0 auto var(--space-lg);
  line-height: 1.8;
  opacity: 0.9;
}

/* Liquid Gold Button */
.btn-gold-liquid {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-obsidian);
  background: linear-gradient(45deg, var(--color-gold-dark), var(--color-gold-bright), var(--color-gold));
  background-size: 200% 200%;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  box-shadow: 0 4px 15px rgba(201, 168, 76, 0.3);
}

.btn-gold-liquid::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease;
}

.btn-gold-liquid:hover {
  background-position: 100% 50%;
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
  transform: translateY(-2px);
}

.btn-gold-liquid:hover::before {
  left: 100%;
}

/* Responsive adjustments for mobile and tablets */
@media (max-width: 1024px) {
  .monumental-title br {
    display: none;
  }

  /* Make mobile video background brighter and more visible */
  .bg-video {
    filter: brightness(0.8) contrast(1.05);
  }

  /* Lighter overlay on mobile to let the background video pop */
  .video-container::after {
    background: radial-gradient(circle at center, rgba(5, 4, 3, 0.15) 0%, rgba(5, 4, 3, 0.65) 100%);
  }
}