:root {
  --dark-bg: #0D1117;
  --dark-surface: #0B1220;
  --light-bg: #ffffff;
  --card-bg-light: #f7f9fb;
  --text-dark: #0b1220;
  --text-light: #E6EDF3;
  --accent-blue: #00BFFF;
  --accent-gold: #FFD700;
  --muted: #9aa7b2;
  --radius: 14px;
  --container: 1150px;
  --transition: 200ms ease;
  --shadow-lg: 0 12px 30px rgba(2, 6, 23, 0.5);
  --glass: rgba(255, 255, 255, 0.04);
  --font-sans: 'Poppins', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --font-head: 'Orbitron', sans-serif;
}

/* THEME: default dark */
body {
  font-family: var(--font-sans);
  background: var(--dark-bg);
  color: var(--text-light);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* LIGHT THEME */
body.theme-light {
  background: var(--light-bg);
  color: var(--text-dark);
}

/* container */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1200;
  padding: 14px 0;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  backdrop-filter: blur(6px);
}

.site-header.transparent {
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.0), rgba(2, 6, 23, 0.0));
}

.site-header.solid {
  background: rgba(2, 6, 23, 0.85);
  box-shadow: 0 6px 30px rgba(2, 6, 23, 0.45);
}

body.theme-light .site-header.solid {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 6px 30px rgba(12, 13, 14, 0.06);
}

/* header inner */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-blue));
  padding: 6px;
}

.brand-name {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.6px;
  font-size: 18px;
}

.brand-tagline {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: -6px;
}

/* nav */
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-list a:hover {
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* controls */
.controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 8px;
  border-radius: 10px;
  color: inherit;
  cursor: pointer;
}

body.theme-light .theme-toggle {
  border-color: rgba(0, 0, 0, 0.06)
}

/* hamburger */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* HERO */
.hero {
  padding: 140px 0 90px;
  overflow: visible;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.hero-copy {
  max-width: 640px;
}

.hero-title {
  font-family: var(--font-head);
  font-size: 36px;
  line-height: 1.05;
  margin: 0 0 16px;
  color: var(--text-light);
}

body.theme-light .hero-title {
  color: var(--text-dark);
}

.hero-sub {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 16px;
  max-width: 600px;
}

.accent {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* HERO VISUAL CONTAINER */
.hero-visual {
  width: 420px;
  max-width: 44%;
  height: 100%;
  min-height: 250px;
  border-radius: 18px;
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.02),
      rgba(0, 0, 0, 0.06)
  );
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative; /* enables shimmer overlay */
}

/* LIGHT MODE */
body.theme-light .hero-visual {
  background: var(--card-bg-light);
  box-shadow: 0 10px 25px rgba(9, 10, 11, 0.06);
}

/* LOGO IMAGE FILLS CONTAINER */
.logo-full {
  width: 100%;
  height: 100%;
  object-fit: contain;

  animation:
    floatAnim 4s ease-in-out infinite,
    glowPulse 3s ease-in-out infinite;
}

/* FLOAT ANIMATION */
@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* GLOW PULSE */
@keyframes glowPulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(0, 255, 255, 0.3)); }
  50% { filter: drop-shadow(0 0 14px rgba(0, 255, 255, 0.6)); }
}

/* SHIMMER EFFECT OVERLAY */
.hero-visual::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  animation: shimmer 4s infinite;
}

/* SHIMMER KEYFRAMES */
@keyframes shimmer {
  0% { transform: translateX(0); }
  100% { transform: translateX(300%); }
}



/* buttons */
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-blue));
  color: #071018;
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.28);
}

.btn-primary:hover {
  transform: translateY(-4px);
  filter: brightness(0.98);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.08);
  color: inherit;
}

body.theme-light .btn-outline {
  border-color: rgba(12, 13, 14, 0.08)
}

/* SECTION TITLES */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 8px;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin-bottom: 34px;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 36px;
  align-items: start;
}

.lead {
  font-size: 16px;
  color: var(--muted);
}

/* about stats */
.about-stats {
  display: grid;
  gap: 18px;
}

.stat {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  padding: 18px;
  border-radius: 12px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--accent-blue);
  font-weight: 700;
}

body.theme-light .stat-number {
  color: var(--accent-blue);
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card {
  background: var(--dark-surface);
  padding: 22px;
  border-radius: 12px;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

body.theme-light .card {
  background: var(--card-bg-light);
  box-shadow: 0 6px 20px rgba(12, 13, 14, 0.06);
  border: 1px solid rgba(12, 13, 14, 0.04);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.45);
}

.card-icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: inline-block;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.feature {
  padding: 18px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.0));
  border: 1px solid rgba(255, 255, 255, 0.03);
  transition: var(--transition);
}

.feature:hover {
  transform: translateY(-6px);
  border-color: var(--accent-blue);
}

/* CONTACT GRID */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 36px;
  align-items: start;
}

.contact-form .field {
  display: block;
  margin-bottom: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
  color: inherit;
}

body.theme-light .contact-form input,
body.theme-light .contact-form textarea {
  border: 1px solid rgba(12, 13, 14, 0.08);
  background: #fff;
  color: var(--text-dark);
}

/* FOOTER */
.site-footer {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  background: transparent;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-nav {
  display: flex;
  gap: 12px;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

/* small utilities */
.muted {
  color: var(--muted);
}

.sr-only {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 480px;
  margin: auto;
  background: var(--dark-surface);
  color: var(--text-light);
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.45);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 2000;
  flex-wrap: wrap;
}
body.theme-light .cookie-banner {
  background: #fff;
  color: var(--text-dark);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.cookie-banner p {
  flex: 1;
  margin: 0;
  font-size: 14px;
}
.cookie-banner a {
  color: var(--accent-blue);
  text-decoration: underline;
}
.cookie-banner button {
  border: none;
  cursor: pointer;
}


/* RESPONSIVE */
@media (max-width: 1100px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 100%;
    width: 100%;
    margin-top: 24px;
  }
}

@media (max-width: 780px) {
  .nav-list {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-title {
    font-size: 28px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}

/* mobile menu open */
.nav-list.open {
  position: absolute;
  top: 72px;
  right: 20px;
  background: rgba(2, 6, 23, 0.95);
  width: 220px;
  padding: 14px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 10px 40px rgba(2, 6, 23, 0.6);
}

body.theme-light .nav-list.open {
  background: #fff;
}

/* small visual polish */
.card,
.feature,
.stat {
  will-change: transform, box-shadow;
}