@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Share+Tech+Mono&family=Exo+2:ital,wght@0,200;0,300;0,400;0,600;1,200&display=swap');

:root {
  --void: #00020a;
  --deep: #010510;
  --midnight: #020c1b;
  --navy: #040f22;
  --cobalt: #071830;
  --ice: #4fc3f7;
  --ice-bright: #81d4fa;
  --ice-dim: rgba(79,195,247,0.08);
  --ice-glow: rgba(79,195,247,0.3);
  --plasma: #0d47a1;
  --arc: #29b6f6;
  --neon: #00e5ff;
  --gold: #ffd600;
  --white: #e8f4fd;
  --muted: rgba(232,244,253,0.55);
  --subtle: rgba(232,244,253,0.18);
  --ghost: rgba(232,244,253,0.06);
  --border: rgba(79,195,247,0.12);
  --border-hi: rgba(79,195,247,0.35);
  --font-hud: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'Exo 2', sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--white);
  overflow-x: hidden;
  min-height: 100vh;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.03) 3px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

#stars-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}


nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 2, 10, 0.6);
  backdrop-filter: blur(30px) saturate(1.8);
  border-bottom: 1px solid var(--border);
  transition: padding 0.4s, background 0.4s;
}

nav.scrolled {
  padding: 1rem 5%;
  background: rgba(1, 5, 16, 0.95);
  border-bottom-color: var(--border-hi);
}

.nav-logo {
  font-family: var(--font-hud);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-logo-main {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--white);
}

.nav-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 5px;
  color: var(--ice);
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: 2.8rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 2.5px;
  color: var(--muted);
  text-decoration: none;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--ice), transparent);
  transition: width 0.4s var(--ease-out);
}

.nav-links a:hover {
  color: var(--ice);
}

.nav-links a:hover::before {
  width: 100%;
}

.nav-links a.active {
  color: var(--ice);
}

.nav-links a.active::before {
  width: 100%;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 2px;
  color: var(--muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00e676;
  box-shadow: 0 0 10px #00e676, 0 0 20px rgba(0, 230, 118, 0.4);
  animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
  transition: all 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 30%, var(--border-hi) 50%, var(--border) 70%, transparent 100%);
  position: relative;
  z-index: 10;
}

.section-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 5%;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 5px;
  color: var(--ice);
  opacity: 0.7;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--ice);
}

.section-heading {
  font-family: var(--font-hud);
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -1px;
  color: var(--white);
}

.section-heading em {
  font-style: normal;
  color: var(--ice);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal-right {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

.btn-primary {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 3px;
  padding: 0.95rem 2.2rem;
  border: 1px solid var(--ice);
  color: var(--ice);
  background: transparent;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: color 0.35s;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ice);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease-out);
  z-index: -1;
}

.btn-primary:hover { color: var(--void); }
.btn-primary:hover::before { transform: translateX(0); }

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 3px;
  padding: 0.95rem 2.2rem;
  border: 1px solid var(--border-hi);
  color: var(--muted);
  background: transparent;
  text-decoration: none;
  transition: all 0.35s;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
}

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

.hud-box {
  border: 1px solid var(--border);
  background: rgba(2, 12, 27, 0.8);
  position: relative;
  transition: border-color 0.4s, background 0.4s;
}

.hud-box::before,
.hud-box::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--ice);
  border-style: solid;
  opacity: 0.6;
  transition: opacity 0.4s;
}

.hud-box::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.hud-box::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.hud-box:hover {
  border-color: var(--border-hi);
  background: rgba(4, 15, 34, 0.9);
}

.hud-box:hover::before,
.hud-box:hover::after {
  opacity: 1;
}

footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 5%;
  z-index: 10;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 2px;
  color: var(--subtle);
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 2px;
  color: var(--subtle);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--ice);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 2, 10, 0.94);
  backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  width: 100%;
  max-width: 920px;
  max-height: 88vh;
  border: 1px solid var(--border-hi);
  background: var(--deep);
  display: flex;
  flex-direction: column;
  transform: translateY(40px) scale(0.97);
  transition: transform 0.45s var(--ease-out);
}

.modal-overlay.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-head {
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-head-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 3px;
  color: var(--ice);
}

.modal-close {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border-hi);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.3s;
  font-family: var(--font-mono);
}

.modal-close:hover {
  border-color: var(--ice);
  color: var(--ice);
}

.modal-body {
  flex: 1;
  overflow: hidden;
  position: relative;
  min-height: 500px;
}

.modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: none;
}

.modal-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.2rem;
}

.modal-spinner {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-hi);
  border-top-color: var(--ice);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.modal-loading p {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 3px;
  color: var(--muted);
}

@media (max-width: 768px) {
  body { cursor: auto; }
  #cursor { display: none; }

  nav .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(0, 2, 10, 0.98);
    backdrop-filter: blur(30px);
    flex-direction: column;
    padding: 3rem 5%;
    gap: 2rem;
    border-bottom: 1px solid var(--border);
  }

  nav .nav-links.open { display: flex; }
  nav .nav-status { display: none; }
  .hamburger { display: flex; }
  footer { flex-direction: column; text-align: center; }
}