:root {
  --neon: #00b0ff;
  --neon-dim: #0077cc;
  --accent2: #ffd166;
  --neon-glow: 0 0 8px #00b0ff, 0 0 20px #00b0ff44;
  --neon-glow-strong: 0 0 12px #00b0ff, 0 0 30px #00b0ff88, 0 0 60px #00b0ff33;
}

[data-theme="dark"] {
  --bg: #060a10;
  --bg2: #090e18;
  --surface: #0f1929;
  --surface2: #131e32;
  --border: rgba(0, 176, 255, 0.12);
  --border-hover: rgba(0, 176, 255, 0.45);
  --text: #eef4ff;
  --text2: #8899bb;
  --text3: #4a5878;
  --nav-bg: rgba(6, 10, 16, 0.88);
}

[data-theme="light"] {
  --bg: #f0f5ff;
  --bg2: #e8f0fe;
  --surface: #ffffff;
  --surface2: #f5f8ff;
  --border: rgba(0, 120, 200, 0.14);
  --border-hover: rgba(0, 120, 200, 0.5);
  --text: #0a1020;
  --text2: #3a5070;
  --text3: #6a85aa;
  --nav-bg: rgba(240, 245, 255, 0.92);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
  cursor: none;
}

.cursor {
  position: fixed; width: 12px; height: 12px; border-radius: 50%;
  background: var(--neon); box-shadow: var(--neon-glow);
  pointer-events: none; z-index: 9999; transform: translate(-50%, -50%);
}
.cursor-ring {
  position: fixed; width: 38px; height: 38px; border-radius: 50%;
  border: 1.5px solid var(--neon); opacity: 0.45;
  pointer-events: none; z-index: 9998; transform: translate(-50%, -50%);
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: 72px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 5vw;
  background: var(--nav-bg); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: "Orbitron", monospace; font-size: 1.25rem; font-weight: 900;
  letter-spacing: 0.1em; color: var(--neon); text-shadow: var(--neon-glow);
  text-decoration: none; display: flex; align-items: center; gap: 10px;
}
.nav-logo svg { width: 24px; height: 24px; }
.brand-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px var(--neon));
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text small {
  font-family: "Poppins", sans-serif;
  color: var(--text2);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  margin-top: 3px;
}
.nav-center { display: flex; gap: 0.2rem; align-items: center; }
.nav-toggle {
  display: none;
  width: 38px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface2);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  cursor: none;
}
.nav-toggle span {
  width: 16px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.25s, opacity 0.25s;
}
nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.nav-item { position: relative; }
.nav-link {
  font-family: "Poppins", sans-serif; font-size: 0.82rem; font-weight: 600;
  color: var(--text2); text-decoration: none; padding: 8px 12px;
  display: flex; align-items: center; gap: 5px;
}
.nav-link:hover, .nav-link.active { color: var(--neon); }
.nav-link svg { transition: transform 0.25s; }
.nav-item:hover .nav-link svg { transform: rotate(180deg); }

.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 780px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 0 1px var(--border);
}
.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-header {
  grid-column: 1 / -1;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.mega-header span {
  font-family: "Orbitron", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--neon);
}
.mega-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.mega-item:hover { background: var(--surface2); border-color: var(--border); }
.mega-icon { color: var(--neon); flex-shrink: 0; margin-top: 2px; }
.mega-item-title { font-family: "Poppins", sans-serif; font-size: 0.88rem; font-weight: 600; margin-bottom: 3px; }
.mega-item-desc { font-size: 0.75rem; color: var(--text2); line-height: 1.5; }
.mega-cta-box {
  grid-column: 1 / -1;
  margin-top: 0.8rem;
  padding: 1.2rem 1.4rem;
  background: linear-gradient(135deg, rgba(0,176,255,0.08), rgba(0,176,255,0.03));
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.mega-cta-box p { font-size: 0.82rem; color: var(--text2); }
.mega-cta-box strong { display: block; font-family: "Poppins", sans-serif; font-size: 0.9rem; margin-bottom: 2px; }
.mega-cta-btn {
  font-family: "Poppins", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #000;
  background: var(--neon);
  text-decoration: none;
  padding: 9px 22px;
}

.theme-toggle {
  display: flex; border: 1px solid var(--border); border-radius: 6px; padding: 2px;
  background: var(--surface2);
}
.theme-btn {
  width: 32px; height: 28px; border: none; background: transparent; color: var(--text2);
  border-radius: 4px; cursor: none;
}
.theme-btn.active { background: var(--neon); color: #000; }
.nav-cta {
  font-family: "Poppins", sans-serif; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  color: #000; background: var(--neon); padding: 9px 20px;
}
.nav-right { display: flex; gap: 0.8rem; align-items: center; }

main { padding-top: 72px; min-height: 60vh; }
section { padding: 4rem 8vw; }

.section-label {
  font-family: "Orbitron", monospace; font-size: 0.62rem; letter-spacing: 0.35em;
  text-transform: uppercase; color: var(--accent2); margin-bottom: 0.9rem;
}

.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
  font-family: "Poppins", sans-serif; font-size: 0.82rem; text-decoration: none;
  text-transform: uppercase; letter-spacing: 0.08em; padding: 11px 24px;
}
.btn-primary { color: #000; background: var(--neon); }
.btn-secondary { color: var(--neon); border: 1px solid var(--neon); }

.global-cta {
  text-align: center; background: var(--bg2); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.global-cta h2 { font-family: "Poppins", sans-serif; font-size: clamp(2rem, 4vw, 3rem); }
.global-cta h2 span { color: var(--neon); text-shadow: var(--neon-glow); }
.global-cta p { color: var(--text2); max-width: 760px; margin: 0.8rem auto 1.6rem; line-height: 1.75; }

footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 5rem 6vw 2.5rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}
.footer-brand .nav-logo { margin-bottom: 1rem; display: inline-flex; }
.footer-brand p {
  color: var(--text2);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 1.4rem;
}
.social-row { display: flex; gap: 8px; }
.social-btn {
  width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 6px;
  display: flex; align-items: center; justify-content: center; text-decoration: none; color: var(--text2);
  transition: all 0.3s;
  font-size: 0.8rem;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
}
.social-btn:hover { border-color: var(--neon); color: var(--neon); box-shadow: 0 0 8px rgba(0,176,255,0.2); }

.footer-col h5 {
  font-family: "Poppins", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 1.2rem;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col li { font-size: 0.84rem; color: var(--text2); }
.footer-col a {
  font-size: 0.84rem;
  color: var(--text2);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}
.footer-col a::before {
  content: "";
  display: block;
  width: 0;
  height: 1px;
  background: var(--neon);
  box-shadow: 0 0 4px var(--neon);
  transition: width 0.3s;
  flex-shrink: 0;
}
.footer-col a:hover { color: var(--neon); }
.footer-col a:hover::before { width: 12px; }

.footer-newsletter {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-newsletter h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.footer-newsletter p { font-size: 0.82rem; color: var(--text2); }
.newsletter-form { display: flex; gap: 0; }
.newsletter-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-right: none;
  padding: 10px 16px;
  font-family: "Inter", sans-serif;
  font-size: 0.85rem;
  color: var(--text);
  outline: none;
  min-width: 220px;
  border-radius: 4px 0 0 4px;
  transition: border-color 0.3s;
}
.newsletter-input:focus { border-color: var(--neon); }
.newsletter-btn {
  background: var(--neon);
  border: none;
  padding: 10px 20px;
  font-family: "Poppins", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: #000;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: none;
  border-radius: 0 4px 4px 0;
  transition: box-shadow 0.3s;
  white-space: nowrap;
}
.newsletter-btn:hover { box-shadow: var(--neon-glow); }

.footer-bottom {
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.78rem; color: var(--text3); }
.footer-bottom span { color: var(--neon); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  color: var(--text3);
  text-decoration: none;
  font-size: 0.76rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--neon); }

@media (max-width: 1000px) {
  nav {
    flex-wrap: wrap;
    align-items: center;
    min-height: 72px;
    height: auto;
    padding-top: 8px;
    padding-bottom: 8px;
  }
  .nav-toggle { display: inline-flex; }
  .nav-right { margin-left: auto; }
  .nav-cta { display: none; }
  .nav-center {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    margin-top: 10px;
    padding: 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
  }
  nav.nav-open .nav-center { display: flex; }
  .nav-item { width: 100%; }
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface2);
  }
  .mega-menu {
    position: static !important;
    transform: none !important;
    width: 100%;
    margin-top: 0.3rem;
    padding: 0.55rem;
    display: none;
    grid-template-columns: 1fr;
    gap: 0.3rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    box-shadow: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface2);
  }
  .nav-item:hover .mega-menu { opacity: 0; visibility: hidden; pointer-events: none; }
  nav.nav-open .nav-item.submenu-open .mega-menu {
    display: grid;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-item.submenu-open > .nav-link svg { transform: rotate(180deg); }
  .mega-header, .mega-cta-box { display: none !important; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}