:root {
  --navy: #0a1324;
  --navy-strong: #0e1a30;
  --cyan: #00e5ff;
  --mint: #1de9b6;
  --green: #00c853;
  --text: #e8f5fb;
  --muted: #94a7bf;
  --card-radius: 20px;
  --glow: 0 20px 60px rgba(0, 229, 255, 0.25);
  --glow-strong: 0 24px 80px rgba(0, 229, 255, 0.35), 0 0 0 1px rgba(0, 229, 255, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.background-grid {
  position: fixed;
  inset: 0;
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,0.9), rgba(0,0,0,0.1));
  z-index: 0;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(180deg, rgba(10, 19, 36, 0.9), rgba(10, 19, 36, 0.6));
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(0, 229, 255, 0.6));
}

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

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
}

.nav-download {
  margin-left: 10px;
  box-shadow: var(--glow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
  gap: 36px;
  padding: 80px 0;
}

.hero-text h1 {
  margin: 8px 0 12px;
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.1;
}

.eyebrow {
  color: var(--mint);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 12px;
}

.lead {
  font-size: 18px;
  color: #d4e6f5;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 18px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.12);
  color: var(--text);
  border: 1px solid rgba(0, 229, 255, 0.3);
  font-weight: 700;
  font-size: 13px;
}

.badge.accent {
  background: linear-gradient(90deg, var(--mint), var(--cyan));
  color: #031020;
  border: none;
}

.badge.outline {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 16px;
  font-weight: 800;
  text-decoration: none;
  color: #031020;
  background: linear-gradient(90deg, var(--cyan), var(--mint));
  box-shadow: var(--glow);
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-strong);
  filter: brightness(1.05);
}

.btn-primary {
  color: #031020;
}

.btn-large {
  padding: 16px 26px;
  font-size: 18px;
}

.hero-visual {
  justify-self: center;
}

.glow-card {
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 229, 255, 0.35), 0 0 0 1px rgba(0, 229, 255, 0.18), 0 0 32px rgba(29, 233, 182, 0.3);
  background: radial-gradient(circle at 30% 20%, rgba(0, 229, 255, 0.2), transparent 50%), #0f1b33;
}

.glow-card img {
  width: 100%;
  display: block;
  object-fit: cover;
  filter: drop-shadow(0 0 16px rgba(0, 229, 255, 0.3));
}

.section {
  padding: 60px 0;
}

.section-header h2 {
  margin: 6px 0 8px;
  font-size: clamp(28px, 3vw, 40px);
}

.section-subtitle {
  color: var(--muted);
  max-width: 640px;
}

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

.info-card, .feature-card, .shot, .faq-item {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-radius: var(--card-radius);
  padding: 20px;
  border: 1px solid rgba(0, 229, 255, 0.14);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.4), 0 12px 40px rgba(0, 229, 255, 0.14);
}

.info-card h3, .feature-card h3 {
  margin: 12px 0 8px;
}

.icon-circle, .feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(0, 200, 83, 0.25));
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(0, 229, 255, 0.25);
}

.icon-circle svg, .feature-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--cyan);
  stroke-width: 2.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 210px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.shot {
  padding: 12px;
}

.shot img {
  width: 100%;
  display: block;
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0, 229, 255, 0.25), 0 0 0 1px rgba(0, 229, 255, 0.15);
  background: #0f1b33;
}

.zoomable {
  cursor: zoom-in;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.faq-item h3 {
  margin: 0 0 8px;
}

.download-section .cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px;
  border-radius: 24px;
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.14), rgba(29, 233, 182, 0.12), rgba(0, 200, 83, 0.08));
  box-shadow: var(--glow-strong);
}

.cta-text h2 {
  margin: 6px 0 10px;
}

.cta-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.footer {
  padding: 24px 0 36px;
  color: var(--muted);
  text-align: center;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(4, 10, 20, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 20;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  max-width: 96vw;
  max-height: 86vh;
  border-radius: 18px;
  box-shadow: 0 30px 90px rgba(0, 229, 255, 0.35), 0 0 0 1px rgba(0, 229, 255, 0.16);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 26px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 70px;
    right: 4vw;
    background: #0f1b33;
    padding: 14px;
    border-radius: 14px;
    flex-direction: column;
    align-items: flex-start;
    min-width: 200px;
    box-shadow: 0 14px 50px rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .container {
    width: 94vw;
  }

  .hero {
    padding: 60px 0;
    gap: 24px;
  }

  .hero-text h1 {
    font-size: clamp(32px, 8vw, 44px);
  }

  .lead {
    font-size: 17px;
  }

  .info-card, .feature-card, .shot, .faq-item {
    padding: 18px;
  }

  .features-grid, .info-grid, .faq-list, .gallery-grid {
    gap: 14px;
  }

  .download-section .cta {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .nav {
    padding: 12px 0;
  }

  .brand span {
    font-size: 14px;
  }

  .btn, .nav-links a {
    width: 100%;
    text-align: center;
  }

  .btn-large {
    width: 100%;
  }

  .badge-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .glow-card {
    max-width: 420px;
  }

  .features-grid, .info-grid, .faq-list, .gallery-grid {
    grid-template-columns: 1fr;
  }

  .lightbox-close {
    top: 14px;
    right: 14px;
  }
}