@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Orbitron:wght@600;700;800;900&family=Noto+Sans+TC:wght@400;500;600;700&display=swap');

:root {
  --background: 250 40% 3%;
  --foreground: 180 100% 96%;
  --card: 250 35% 7%;
  --card-foreground: 180 100% 96%;
  --primary: 348 100% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 190 100% 50%;
  --secondary-foreground: 0 0% 0%;
  --accent: 280 100% 65%;
  --accent-2: 145 100% 50%;
  --muted: 250 25% 12%;
  --muted-foreground: 210 25% 68%;
  --border: 250 30% 18%;
  --radius: 0.85rem;
  --neon-red: #ff2d55;
  --neon-cyan: #00f0ff;
  --neon-purple: #b14eff;
  --neon-lime: #39ff14;
  --neon-pink: #ff3d9a;
  --glow-red: 0 0 20px rgba(255, 45, 85, 0.55), 0 0 40px rgba(255, 45, 85, 0.25);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.55), 0 0 40px rgba(0, 240, 255, 0.25);
  --glow-purple: 0 0 20px rgba(177, 78, 255, 0.45), 0 0 40px rgba(177, 78, 255, 0.2);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans TC', system-ui, sans-serif;
  background: #05030a;
  color: hsl(var(--foreground));
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ========== TECH BACKGROUND ========== */
.bg-gradient-dark {
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(255, 45, 85, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 90% 10%, rgba(0, 240, 255, 0.14), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(177, 78, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #05030a 0%, #0a0618 40%, #070412 100%);
  min-height: 100vh;
  position: relative;
}

.bg-gradient-dark::before {
  content: '';
  pointer-events: none;
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 240, 255, 0.015) 2px,
      rgba(0, 240, 255, 0.015) 4px
    );
  z-index: 0;
  opacity: 0.6;
}

.bg-gradient-dark > *:not(#nav-root) { position: relative; z-index: 1; }
#nav-root { position: fixed; top: 0; left: 0; right: 0; z-index: 100000; pointer-events: auto; }
.nav { z-index: 100001; }
.nav-toggle { z-index: 100002; position: relative; }

.text-glow-red {
  text-shadow:
    0 0 8px rgba(255, 45, 85, 0.9),
    0 0 24px rgba(255, 45, 85, 0.6),
    0 0 48px rgba(255, 45, 85, 0.35),
    0 0 80px rgba(255, 61, 154, 0.2);
}

.text-glow-cyan {
  text-shadow:
    0 0 8px rgba(0, 240, 255, 0.9),
    0 0 24px rgba(0, 240, 255, 0.5),
    0 0 48px rgba(0, 240, 255, 0.3);
}

.bg-grid {
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 45, 85, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 75%);
  animation: grid-drift 20s linear infinite;
}

@keyframes grid-drift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 48px 48px, 48px 48px; }
}

.font-display { font-family: Orbitron, sans-serif; }
.font-mono-custom { font-family: 'JetBrains Mono', monospace; }

.container {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) { .container { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .container { padding-left: 2rem; padding-right: 2rem; } }

/* ========== NAV ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  background: rgba(5, 3, 10, 0.75);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 0 30px rgba(255, 45, 85, 0.08), 0 1px 0 rgba(0, 240, 255, 0.1);
}

.nav::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-red), var(--neon-purple), transparent);
  opacity: 0.7;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: Orbitron, sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.nav-logo .logo-icon {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.55rem;
  background: linear-gradient(135deg, var(--neon-red), var(--neon-pink), var(--neon-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: white;
  box-shadow: var(--glow-red);
  position: relative;
  animation: logo-pulse 2.5s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { box-shadow: 0 0 12px rgba(255, 45, 85, 0.5); }
  50% { box-shadow: 0 0 22px rgba(255, 45, 85, 0.85), 0 0 40px rgba(177, 78, 255, 0.35); }
}

.nav-logo .accent {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.2rem;
}
.lang-switch {
  display: none;
  gap: 0.5rem;
  align-items: center;
}
.lang-button {
  padding: 0.45rem 0.75rem;
  border-radius: 0.55rem;
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  transition: background .2s, color .2s, transform .2s;
}
.lang-button:hover {
  background: rgba(0, 240, 255, 0.08);
  color: var(--neon-cyan);
}
.lang-button.active {
  background: rgba(255, 45, 85, 0.18);
  color: var(--neon-red);
  border-color: rgba(255, 45, 85, 0.35);
}
@media (min-width: 768px) { .nav-links { display: flex; } .lang-switch { display: flex; } }

.nav-links a {
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  border-radius: 0.5rem;
  transition: color .2s, background .2s, box-shadow .2s, text-shadow .2s;
  border: 1px solid transparent;
}
.nav-links a:hover {
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.2);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}
.nav-links a.active {
  color: var(--neon-red);
  background: rgba(255, 45, 85, 0.1);
  border-color: rgba(255, 45, 85, 0.35);
  text-shadow: 0 0 10px rgba(255, 45, 85, 0.55);
  box-shadow: 0 0 16px rgba(255, 45, 85, 0.15);
}

.nav-cta {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--neon-red), var(--neon-pink));
  color: white;
  border-radius: 0.55rem;
  box-shadow: var(--glow-red);
  transition: transform .2s, box-shadow .2s, filter .2s;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.nav-cta:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 0 28px rgba(255, 45, 85, 0.7), 0 0 48px rgba(255, 61, 154, 0.3);
  filter: brightness(1.1);
}
@media (min-width: 768px) { .nav-cta { display: inline-flex; } }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.25);
  background: rgba(0, 240, 255, 0.06);
}
@media (max-width: 767px) { .nav-toggle { display: flex; } }

.mobile-menu {
  display: none;
  border-top: 1px solid rgba(0, 240, 255, 0.12);
  background: rgba(5, 3, 10, 0.95);
  padding: 0.75rem 1rem 1rem;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: hsl(var(--muted-foreground));
  border-radius: 0.5rem;
  border: 1px solid transparent;
  margin-bottom: 0.25rem;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.2);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.55rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 0.6rem;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, filter .2s;
  cursor: pointer;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 0.95rem 1.85rem; font-size: 1rem; }

.btn-primary {
  background: linear-gradient(135deg, #ff2d55 0%, #ff3d9a 50%, #b14eff 100%);
  background-size: 200% 200%;
  color: white;
  box-shadow: var(--glow-red);
  border-color: rgba(255, 255, 255, 0.2);
  animation: btn-shift 4s ease infinite;
}
.btn-primary:hover {
  box-shadow: 0 0 32px rgba(255, 45, 85, 0.75), 0 0 60px rgba(177, 78, 255, 0.35);
  filter: brightness(1.12);
}

@keyframes btn-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.btn-secondary {
  background: linear-gradient(135deg, #00c8ff, #00f0ff);
  color: #001018;
  box-shadow: var(--glow-cyan);
  border-color: rgba(255, 255, 255, 0.25);
  font-weight: 700;
}
.btn-secondary:hover {
  box-shadow: 0 0 32px rgba(0, 240, 255, 0.7), 0 0 50px rgba(0, 200, 255, 0.3);
  filter: brightness(1.08);
}

.btn-outline {
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.1);
}
.btn-outline:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  padding-top: 4.25rem;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.85;
  z-index: 0;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  padding: 5.5rem 0 5rem;
}
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  background: rgba(5, 3, 10, 0.75);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 0 30px rgba(255, 45, 85, 0.08), 0 1px 0 rgba(0, 240, 255, 0.1);
}
.nav::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-red), var(--neon-purple), transparent);
  opacity: 0.7;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

@media (min-width: 768px) { .hero-inner { padding: 7.5rem 0 6rem; } }

.hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-layout { grid-template-columns: 3fr 2fr; gap: 2.5rem; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 45, 85, 0.45);
  background: linear-gradient(90deg, rgba(255, 45, 85, 0.12), rgba(177, 78, 255, 0.1));
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--neon-red);
  letter-spacing: 0.04em;
  box-shadow: 0 0 18px rgba(255, 45, 85, 0.2);
  text-transform: none;
}
.badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--neon-red);
  box-shadow: 0 0 10px var(--neon-red);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(0.85); }
}

.hero h1 {
  font-family: Orbitron, sans-serif;
  font-size: 2.35rem;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-top: 1.5rem;
}
@media (min-width: 768px) { .hero h1 { font-size: 3.15rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 3.85rem; } }

.hero h1 .white-glow {
  color: #f0fbff;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}
.hero h1 .red {
  background: linear-gradient(90deg, #ff2d55, #ff3d9a 40%, #b14eff 80%, #00f0ff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-text 5s linear infinite;
  filter: drop-shadow(0 0 18px rgba(255, 45, 85, 0.45));
}

@keyframes gradient-text {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-desc {
  margin-top: 1.5rem;
  font-size: 1.1rem;
  color: hsl(var(--muted-foreground));
  max-width: 36rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-img-wrap {
  position: relative;
  border-radius: 1.1rem;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow:
    0 0 0 1px rgba(255, 45, 85, 0.15),
    0 0 40px rgba(0, 240, 255, 0.15),
    0 0 80px rgba(255, 45, 85, 0.1),
    0 25px 50px -12px rgba(0, 0, 0, 0.6);
}
.hero-img-wrap::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--neon-cyan), transparent 40%, var(--neon-red), var(--neon-purple));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
  animation: border-spin 6s linear infinite;
  opacity: 0.85;
}
.hero-img-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: saturate(1.15) contrast(1.05);
}
.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(5, 3, 10, 0.85), transparent 50%),
    linear-gradient(120deg, rgba(0, 240, 255, 0.08), transparent 40%, rgba(255, 45, 85, 0.1));
  z-index: 1;
}

@keyframes border-spin {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ========== STATS ========== */
.stats {
  position: relative;
  padding: 3.5rem 0;
  border-top: 1px solid rgba(0, 240, 255, 0.12);
  border-bottom: 1px solid rgba(255, 45, 85, 0.12);
  background: linear-gradient(90deg, rgba(255, 45, 85, 0.04), rgba(0, 240, 255, 0.04), rgba(177, 78, 255, 0.04));
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; } }

.stat-card {
  text-align: center;
  padding: 1.6rem 1.2rem;
  border-radius: 1rem;
  background: linear-gradient(160deg, rgba(20, 12, 40, 0.9), rgba(10, 6, 24, 0.95));
  border: 1px solid rgba(0, 240, 255, 0.18);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: transform .25s, border-color .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-red), var(--neon-cyan), var(--neon-purple));
  opacity: 0.85;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.45);
  box-shadow: var(--glow-cyan);
}
.stat-card .icon {
  width: 1.6rem;
  height: 1.6rem;
  margin: 0 auto 0.85rem;
  color: var(--neon-cyan);
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.7));
}
.stat-card .value {
  font-family: Orbitron, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(180deg, #ffffff, var(--neon-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.35));
}
@media (min-width: 768px) { .stat-card .value { font-size: 2.35rem; } }
.stat-card .label {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.35rem;
  letter-spacing: 0.04em;
}

/* ========== SECTIONS ========== */
.section { padding: 5rem 0; }
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header h2 {
  font-family: Orbitron, sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: 0.03em;
}
@media (min-width: 768px) { .section-header h2 { font-size: 2rem; } }
.section-header h2 span,
.section-title-glow {
  background: linear-gradient(90deg, var(--neon-cyan), #fff 40%, var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 16px rgba(0, 240, 255, 0.3));
}
.section-header p {
  color: hsl(var(--muted-foreground));
  max-width: 42rem;
  margin: 0 auto;
}

.page-header {
  padding-top: 6.5rem;
  padding-bottom: 2.5rem;
  text-align: center;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 4rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(480px, 80vw);
  height: 120px;
  background: radial-gradient(ellipse, rgba(0, 240, 255, 0.15), transparent 70%);
  pointer-events: none;
}
.page-header h1 {
  font-family: Orbitron, sans-serif;
  font-size: 1.95rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--neon-red), var(--neon-pink), var(--neon-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 20px rgba(255, 45, 85, 0.35));
}
@media (min-width: 768px) { .page-header h1 { font-size: 2.5rem; } }
.page-header p {
  color: hsl(var(--muted-foreground));
  max-width: 42rem;
  margin: 0 auto;
}

/* ========== CARDS ========== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
}
@media (min-width: 768px) { .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: linear-gradient(165deg, rgba(22, 14, 45, 0.85), rgba(8, 5, 18, 0.95));
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 1rem;
  padding: 1.55rem;
  transition: border-color .3s, box-shadow .3s, transform .25s;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 45, 85, 0.08), transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s;
}
.card:hover {
  border-color: rgba(255, 45, 85, 0.45);
  box-shadow: 0 0 30px rgba(255, 45, 85, 0.15), 0 0 50px rgba(0, 240, 255, 0.08);
  transform: translateY(-3px);
}
.card:hover::after { opacity: 1; }

.card-icon {
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 0.7rem;
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.2), rgba(177, 78, 255, 0.15));
  border: 1px solid rgba(255, 45, 85, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.9rem;
  color: var(--neon-red);
  box-shadow: 0 0 16px rgba(255, 45, 85, 0.25);
  transition: background .2s, box-shadow .2s, transform .2s;
}
.card:hover .card-icon {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(177, 78, 255, 0.2));
  border-color: rgba(0, 240, 255, 0.45);
  color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  transform: scale(1.06);
}

.card h3 {
  font-family: Orbitron, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #f5fbff;
  letter-spacing: 0.02em;
}
.card p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.7;
  margin-bottom: 1rem;
}
.card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.tag {
  padding: 0.28rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: 0.4rem;
  background: rgba(0, 240, 255, 0.08);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.25);
  letter-spacing: 0.02em;
}

/* ========== BANNER IMAGE ========== */
.banner-img {
  position: relative;
  border-radius: 1.1rem;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.25);
  margin-bottom: 3.5rem;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.1), 0 0 60px rgba(255, 45, 85, 0.08);
}
.banner-img img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  filter: saturate(1.2) contrast(1.05);
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(5, 3, 10, 0.92) 0%, rgba(5, 3, 10, 0.55) 45%, transparent 75%);
  display: flex;
  align-items: center;
  padding: 2rem;
}
@media (min-width: 768px) { .banner-overlay { padding: 3rem; } }
.banner-overlay h2 {
  font-family: Orbitron, sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #fff;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}
@media (min-width: 768px) { .banner-overlay h2 { font-size: 1.65rem; } }
.banner-overlay p {
  font-size: 0.9rem;
  color: hsl(var(--muted-foreground));
  max-width: 28rem;
}

/* ========== SPECIAL AIRCRAFT & TESTIMONIALS ========== */
.feature-showcase {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.showcase-media {
  border-radius: 0.95rem;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.12);
}
.showcase-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.download-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 100%;
}
.download-card .btn {
  margin-top: 0.5rem;
}
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.gallery-item {
  display: block;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid rgba(0, 240, 255, 0.18);
  background: linear-gradient(160deg, rgba(20, 12, 40, 0.9), rgba(8, 5, 18, 0.95));
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.06);
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.gallery-item:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 45, 85, 0.45);
  box-shadow: 0 0 30px rgba(255, 45, 85, 0.16);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
}

/* ========== CTA ========== */
.cta-box {
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: 1.15rem;
  border: 1px solid rgba(255, 45, 85, 0.25);
  background:
    radial-gradient(ellipse at top, rgba(255, 45, 85, 0.12), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(0, 240, 255, 0.1), transparent 50%),
    linear-gradient(160deg, rgba(20, 10, 40, 0.9), rgba(8, 4, 20, 0.95));
  margin-top: 4rem;
  box-shadow: 0 0 50px rgba(255, 45, 85, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-red), var(--neon-cyan), var(--neon-purple), transparent);
}
.cta-box h2, .cta-box h3 {
  font-family: Orbitron, sans-serif;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #fff;
}
.cta-box h2 { font-size: 1.55rem; }
@media (min-width: 768px) { .cta-box h2 { font-size: 1.9rem; } }
.cta-box p {
  color: hsl(var(--muted-foreground));
  margin-bottom: 2rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ========== ABOUT FEATURES ========== */
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) { .feature-list { grid-template-columns: repeat(2, 1fr); } }

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.3rem;
  border-radius: 0.9rem;
  background: linear-gradient(145deg, rgba(18, 12, 36, 0.9), rgba(8, 5, 18, 0.95));
  border: 1px solid rgba(0, 240, 255, 0.12);
  transition: border-color .3s, box-shadow .3s, transform .2s;
}
.feature-item:hover {
  border-color: rgba(177, 78, 255, 0.45);
  box-shadow: 0 0 24px rgba(177, 78, 255, 0.15);
  transform: translateY(-2px);
}
.feature-num {
  font-family: Orbitron, sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(180deg, var(--neon-red), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
  width: 2.5rem;
  filter: drop-shadow(0 0 8px rgba(255, 45, 85, 0.4));
}
.feature-item h3 {
  font-family: Orbitron, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: #f5fbff;
}
.feature-item p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
}

/* ========== FAQ ACCORDION ========== */
.faq-list { max-width: 48rem; margin: 0 auto; }
.faq-item {
  border: 1px solid rgba(0, 240, 255, 0.12);
  border-radius: 0.85rem;
  padding: 0 1.25rem;
  background: linear-gradient(145deg, rgba(16, 10, 32, 0.8), rgba(8, 5, 18, 0.9));
  margin-bottom: 0.75rem;
  transition: background .2s, border-color .2s, box-shadow .2s;
}
.faq-item.open {
  background: linear-gradient(145deg, rgba(28, 14, 45, 0.95), rgba(12, 6, 28, 0.95));
  border-color: rgba(255, 45, 85, 0.4);
  box-shadow: 0 0 24px rgba(255, 45, 85, 0.12);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  color: #f0f7ff;
  transition: color .2s;
}
.faq-q:hover { color: var(--neon-cyan); text-shadow: 0 0 12px rgba(0, 240, 255, 0.4); }
.faq-q svg {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  transition: transform .25s, color .2s;
  color: var(--neon-cyan);
}
.faq-item.open .faq-q svg {
  transform: rotate(180deg);
  color: var(--neon-red);
}
.faq-a {
  display: none;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.75;
  padding-bottom: 1.1rem;
  border-top: 1px solid rgba(0, 240, 255, 0.08);
  padding-top: 0.85rem;
}
.faq-item.open .faq-a { display: block; }

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
  margin-bottom: 3rem;
}
@media (min-width: 768px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }

.contact-card {
  display: block;
  background: linear-gradient(165deg, rgba(20, 12, 40, 0.9), rgba(8, 5, 18, 0.95));
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 1rem;
  padding: 1.65rem 1.4rem;
  text-align: center;
  transition: border-color .3s, box-shadow .3s, transform .25s;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0.9;
}
.contact-card.tg::before { background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent); }
.contact-card.wa::before { background: linear-gradient(90deg, transparent, var(--neon-lime), transparent); }
.contact-card.fb::before { background: linear-gradient(90deg, transparent, #60a5fa, transparent); }

.contact-card:hover { transform: translateY(-4px); }
.contact-card.tg:hover {
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: var(--glow-cyan);
}
.contact-card.wa:hover {
  border-color: rgba(57, 255, 20, 0.45);
  box-shadow: 0 0 28px rgba(57, 255, 20, 0.25);
}
.contact-card.fb:hover {
  border-color: rgba(96, 165, 250, 0.5);
  box-shadow: 0 0 28px rgba(96, 165, 250, 0.25);
}

.contact-icon {
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  transition: transform .25s, box-shadow .25s;
}
.contact-card:hover .contact-icon { transform: scale(1.1); }
.contact-icon.tg {
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.25);
}
.contact-icon.wa {
  background: rgba(57, 255, 20, 0.1);
  color: var(--neon-lime);
  border: 1px solid rgba(57, 255, 20, 0.35);
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.2);
}
.contact-icon.fb {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.35);
  box-shadow: 0 0 18px rgba(96, 165, 250, 0.2);
}

.contact-card h3 {
  font-family: Orbitron, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: #fff;
}
.contact-card .desc {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.85rem;
}
.contact-card .handle {
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.contact-card.tg .handle { color: var(--neon-cyan); text-shadow: 0 0 10px rgba(0, 240, 255, 0.4); }
.contact-card.wa .handle { color: var(--neon-lime); text-shadow: 0 0 10px rgba(57, 255, 20, 0.35); }
.contact-card.fb .handle { color: #60a5fa; text-shadow: 0 0 10px rgba(96, 165, 250, 0.35); }

.info-box {
  border-radius: 1.1rem;
  border: 1px solid rgba(0, 240, 255, 0.18);
  background: linear-gradient(160deg, rgba(18, 12, 36, 0.9), rgba(8, 5, 18, 0.95));
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.06);
}
@media (min-width: 768px) { .info-box { padding: 2.5rem; } }
.info-box h2 {
  font-family: Orbitron, sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, var(--neon-cyan), #fff, var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.info-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .info-cols { grid-template-columns: 1fr 1fr; } }
.info-cols h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--neon-cyan);
}
.info-cols li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.55rem;
}
.info-cols li .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-red);
  margin-top: 0.125rem;
  text-shadow: 0 0 8px rgba(255, 45, 85, 0.5);
}
.info-cols li .check {
  color: var(--neon-lime);
  flex-shrink: 0;
  margin-top: 0.15rem;
  text-shadow: 0 0 8px rgba(57, 255, 20, 0.5);
}

.brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
}
.brand-tag {
  padding: 0.5rem 1rem;
  border-radius: 0.55rem;
  background: rgba(0, 240, 255, 0.06);
  font-size: 0.875rem;
  font-weight: 500;
  color: #d8f7ff;
  border: 1px solid rgba(0, 240, 255, 0.22);
  transition: border-color .2s, box-shadow .2s, color .2s;
}
.brand-tag:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .55rem .7rem;
  max-width: 58rem;
  margin: 2rem auto 0;
}

.keyword-cloud span {
  padding: .42rem .7rem;
  border: 1px solid rgba(0, 240, 255, .22);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: .82rem;
  background: rgba(10, 18, 30, .56);
}

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid rgba(0, 240, 255, 0.12);
  padding: 3.25rem 0 2rem;
  margin-top: 2rem;
  background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.03));
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-red), var(--neon-purple), transparent);
  opacity: 0.6;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }

.footer-brand .logo {
  font-family: Orbitron, sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 0.85rem;
  letter-spacing: 0.04em;
}
.footer-brand .logo span {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-brand p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.7;
  max-width: 20rem;
}

.footer h4 {
  font-family: Orbitron, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  color: var(--neon-cyan);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
}
.footer ul li { margin-bottom: 0.55rem; }
.footer ul a,
.footer ul li {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  transition: color .2s, text-shadow .2s;
}
.footer ul a:hover { color: #fff; text-shadow: 0 0 10px rgba(0, 240, 255, 0.5); }
.footer .tg-link { color: var(--neon-cyan); }
.footer .wa-link { color: var(--neon-lime); }
.footer .fb-link { color: #60a5fa; }

.footer-bottom {
  border-top: 1px solid rgba(0, 240, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
}
.footer-bottom .tags {
  margin-top: 0.35rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--neon-cyan);
  opacity: 0.65;
  letter-spacing: 0.04em;
}

/* ========== UTILS ========== */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-16 { margin-top: 4rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.max-w-4xl { max-width: 56rem; margin-left: auto; margin-right: auto; }
.max-w-3xl { max-width: 48rem; margin-left: auto; margin-right: auto; }
.muted { color: hsl(var(--muted-foreground)); }
.icon-svg { width: 1.5rem; height: 1.5rem; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 1rem; height: 1rem; }
.icon-md { width: 1.25rem; height: 1.25rem; }
.icon-lg { width: 1.75rem; height: 1.75rem; }
.icon-xl { width: 1.75rem; height: 1.75rem; }

svg.icon-inline {
  width: 1rem;
  height: 1rem;
  display: inline-block;
  vertical-align: middle;
}

/* floating orbs for tech ambience */
.tech-orbs {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.tech-orbs span {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  animation: orb-float 12s ease-in-out infinite;
}
.tech-orbs span:nth-child(1) {
  width: 280px; height: 280px;
  background: var(--neon-red);
  top: 15%; left: -5%;
  animation-delay: 0s;
}
.tech-orbs span:nth-child(2) {
  width: 320px; height: 320px;
  background: var(--neon-cyan);
  top: 40%; right: -8%;
  animation-delay: -4s;
  opacity: 0.22;
}
.tech-orbs span:nth-child(3) {
  width: 240px; height: 240px;
  background: var(--neon-purple);
  bottom: 10%; left: 30%;
  animation-delay: -7s;
  opacity: 0.25;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -30px) scale(1.08); }
}
