/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Orbitron', sans-serif;
  background: linear-gradient(to bottom, #01042c, #043c68, #039ba6);
  color: #c8f8ff;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* 💫 Sci-Fi Background Glow Animation */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, #00f0ff22, #001f2f 70%);
  animation: rotateGlow 60s linear infinite;
  z-index: 0;
  opacity: 0.07;
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 🔷 Navbar */
.navbar {
  background: rgba(0, 10, 20, 0.8);
  border-bottom: 1px solid rgba(0, 255, 255, 0.1);
  box-shadow: 0 0 20px #00ffff20;
  padding: 14px 30px;
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 999;
}
.nav-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  list-style: none;
  flex-wrap: wrap;
}
.nav-links li a {
  color: #8efeff;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  position: relative;
  transition: all 0.3s ease;
}
.nav-links li a::before {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2px;
  background: #00fff0;
  transition: width 0.3s ease;
}
.nav-links li a:hover {
  color: #ffffff;
}
.nav-links li a:hover::before {
  width: 100%;
}

/* 🧊 Flipbook Container */
.main-content {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 20px;
  flex-direction: column;
  z-index: 1;
  position: relative;
}

/* 📘 Flipbook Pages */
.flipbook {
  width: 100%;
  max-width: 1000px;
  padding: 10px;
  z-index: 2;
}
.page {
  display: none;
}
.page.visible {
  display: block;
  animation: fadeInUp 0.6s ease;
}
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 🔮 Futuristic Card */
.page-card {
  background: rgba(0, 15, 25, 0.85);
  border: 1px solid #00cfff55;
  border-radius: 20px;
  padding: 40px;
  position: relative;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.15), inset 0 0 15px #00eaff15;
  transition: all 0.3s ease;
}

/* 🌀 Aurora Glow */
.page-card::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 20px;
  background: linear-gradient(135deg, transparent 30%, #00fff540, transparent 70%);
  animation: pulseLight 5s ease-in-out infinite;
  z-index: -1;
  opacity: 0.1;
}
@keyframes pulseLight {
  0%, 100% { opacity: 0.05; }
  50% { opacity: 0.25; }
}

/* 💬 Text */
.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 25px;
  color: #aefeff;
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.2);
}
.page-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #d0faff;
}
.section-title {
  margin-top: 30px;
  font-size: 1.2rem;
  color: #87e6f7;
  border-left: 4px solid #00d0ff;
  padding-left: 12px;
}

/* 🧿 Inline Skills */
.inline-list {
  margin-top: 12px;
}
.inline-list span {
  display: inline-block;
  background: rgba(0, 255, 255, 0.1);
  color: #72ecff;
  padding: 7px 12px;
  margin: 5px;
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 12px;
  font-size: 0.9rem;
  transition: 0.3s;
}
.inline-list span:hover {
  background: #00e7ff33;
  transform: scale(1.05);
}

/* ⏭ Navigation Buttons */
.flip-btns {
  margin-top: 40px;
  text-align: center;
}
button {
  padding: 12px 26px;
  background: linear-gradient(120deg, #00f0ff, #0099ff);
  border: none;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1rem;
  color: #002b3f;
  cursor: pointer;
  box-shadow: 0 0 10px #00f0ff44;
  transition: 0.3s ease;
}
button:hover {
  background: linear-gradient(120deg, #0099ff, #00e6ff);
  box-shadow: 0 0 25px #00f0ffaa;
  transform: scale(1.05);
}

/* 📱 Responsive Design */
@media (max-width: 768px) {
  .navbar {
    padding: 12px 15px;
  }
  .nav-links {
    flex-direction: column;
    gap: 15px;
  }
  .page-card {
    padding: 25px;
  }
  .page-title {
    font-size: 1.8rem;
  }
  .page-content {
    font-size: 1rem;
  }
  button {
    font-size: 0.95rem;
    padding: 10px 20px;
  }
}
/* ✨ Starfield Layer */
.stars {
  position: fixed;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #00eaff;
  border-radius: 50%;
  opacity: 0.6;
  animation: twinkle 4s infinite ease-in-out alternate;
}
@keyframes twinkle {
  0% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
  100% { opacity: 0.2; transform: scale(1); }
}

/* 💠 Grid Overlay */
.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background-image: linear-gradient(to right, rgba(0,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  transform: rotate(45deg);
  animation: moveGrid 90s linear infinite;
  z-index: 0;
}
@keyframes moveGrid {
  from { transform: rotate(45deg) translate(0, 0); }
  to { transform: rotate(45deg) translate(-500px, -500px); }
}

/* 🧿 Floating Orbs */
.floating-orbs {
  position: fixed;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}
.orb {
  position: absolute;
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, #00f0ff 0%, #0088cc 60%, transparent 100%);
  border-radius: 50%;
  opacity: 0.1;
  animation: floatOrb 20s linear infinite;
}
@keyframes floatOrb {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0.05;
  }
  100% {
    transform: translateY(-200px) translateX(50vw);
    opacity: 0.2;
  }
}

/* 🌌 Aurora Light Curtains */
.aurora {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    to top,
    rgba(0, 255, 255, 0.03),
    rgba(0, 255, 255, 0.01) 1px,
    transparent 2px
  );
  animation: auroraMove 30s linear infinite;
  z-index: 0;
  pointer-events: none;
}
@keyframes auroraMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 -1000px; }
}