* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #000;
  color: #f5f5f5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url("assets/Pale Blue Dot.webp") center center/cover no-repeat;
  z-index: -1;
}
@media(max-width:768px){
  body::before { background-position: 60% 50%; }
}

.starfield-canvas {
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none; mix-blend-mode: screen; opacity: 0.9;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

section {
  min-height: 80vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 16px; position: relative; z-index: 2;
}
#hero { height: 100svh; }

#loader {
  position: fixed; inset: 0; z-index: 100;
  background: url("assets/Pale Blue Dot.webp") center center/cover no-repeat;
  filter: brightness(0.4);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 1.0s ease, visibility 1.5s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.orbital-system {
  position: relative; display: flex; align-items: center; justify-content: center;
  perspective: 1000px;
  width: clamp(140px, 25vw, 220px);
  height: clamp(140px, 25vw, 220px);
}
.earth {
  position: relative; width: 100%; height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg,#0f172a,#1e293b);
  box-shadow: 0 0 40px rgba(100,116,139,0.4),
              inset -14px -14px 28px rgba(0,0,0,0.6),
              inset 8px 8px 18px rgba(255,255,255,0.04);
  overflow: hidden;
  animation: earthRotation 18s linear infinite;
}
.earth::before {
  content: ''; position: absolute; inset: 0;
  background: url("assets/The_Blue_Marble.webp") center/cover no-repeat;
  opacity: 0.65; mix-blend-mode: overlay;
}
.moon-container {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  animation: orbitRotate 4s linear infinite;
}
.moon-wrapper {
  position: absolute;
  transform: translateX(clamp(110px, 18vw, 150px)) translateY(-6px);
}
.moon {
  width: clamp(28px, 5vw, 34px);
  height: clamp(28px, 5vw, 34px);
  border-radius: 50%;
  background: linear-gradient(135deg,#e5b56b,#c76b2b);
  box-shadow: 0 0 18px rgba(255,180,90,0.25),
              inset -6px -6px 12px rgba(0,0,0,0.45);
  animation: moonSpin 4s linear infinite;
  transform-origin: center;
}

@keyframes earthRotation { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes orbitRotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes moonSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.hero-inner {
  max-width: 1000px; display: grid; grid-template-columns: 1fr; gap: 20px; z-index: 3;
}
@media(min-width:1024px){ .hero-inner { grid-template-columns: 1fr 380px; } }

.title {
  font-family: "Times New Roman", serif;
  font-size: clamp(2.3rem,5.5vw,4rem);
  font-weight: 900; line-height: 1.05; color: #fff;
}
.tagline { color: rgba(245,245,245,0.82); font-weight: 300; margin-top: 10px; max-width: 52ch; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 14px; border-radius: 10px;
  background: #000; color: #f5f5f5; text-decoration: none; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform .3s, background .3s;
  min-width: 110px; text-align: center;
}
.btn:hover, .btn:focus-visible {
  background: #0a0a0a; transform: translateY(-2px);
  outline: 2px solid #38bdf8; outline-offset: 2px;
}

.blog-grid {
  display: grid; grid-template-columns: repeat(1,1fr); gap: 16px; width: 100%;
}
@media(min-width:720px){ .blog-grid { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1100px){ .blog-grid { grid-template-columns: repeat(3,1fr); } }

.card {
  position: relative; background: rgba(30,30,45,0.6);
  border-radius: 12px; border: 1px solid rgba(255,255,255,0.08);
  box-shadow: inset 0 0 8px rgba(100,149,237,0.05), 0 6px 14px rgba(0,0,0,0.5);
  transition: transform .3s, box-shadow .3s, border-color .3s, background .3s;
  backdrop-filter: blur(5px);
  display: flex; flex-direction: column; justify-content: space-between;
  height: auto; z-index: 2;
}
.card:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(25,25,35,0.8);
  border-color: rgba(255,255,255,0.1);
}
.card-body {
  padding: 14px; display: flex; flex-direction: column; gap: 8px; height: 100%;
}
.card-title { font-family: 'Times New Roman', serif; font-weight: 900; font-size: 1.1rem; }
.meta { color: rgba(245,245,245,0.68); font-size: .9rem; }
.excerpt { color: rgba(245,245,245,0.9); line-height: 1.5; font-size: .96rem; flex-grow: 1; }

footer {
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  color: rgba(245,245,245,0.6);
  z-index: 2; position: relative;
}