:root{
  --bg: #07111a;
  --bg-soft: #0b1723;
  --card: rgba(11, 20, 32, 0.84);
  --line: rgba(255,255,255,0.1);
  --text: #edf5ff;
  --muted: #9db2c7;
  --accent: #59d6ff;
  --accent-2: #73ffcb;
  --accent-3: #ffd56e;
  --radius: 22px;
  --shadow: 0 24px 60px rgba(0,0,0,0.34);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(89,214,255,0.10), transparent 28%),
    radial-gradient(circle at 85% 0%, rgba(115,255,203,0.08), transparent 18%),
    linear-gradient(180deg, #07111a 0%, #08131f 100%);
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(14px);
  background: rgba(7,17,26,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.08em;
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a[aria-current="page"] {
  color: var(--text);
}

main,
.wrap,
.page-main {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

main,
.wrap {
  padding: 2rem 0 4rem;
}

.hero,
.panel,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}

.hero-copy,
.hero-visual,
.panel,
.card {
  padding: 1.25rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0;
}

h1 {
  margin: 0.45rem 0 0.9rem;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0.25rem 0 0.9rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
}

h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}

p, li {
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #9de8ff);
  color: #041824;
}

.btn-ghost,
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-mini,
.hero-stats,
.grid-2,
.grid-3,
.grid-4,
.card-grid {
  display: grid;
  gap: 1rem;
}

.hero-mini,
.hero-stats { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4,
.card-grid { grid-template-columns: repeat(4, 1fr); }

.mini-card,
.mini {
  padding: 0.95rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.mini-label {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.mini-value {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
}

.section,
.facts,
.infographic,
.experience,
.cta {
  margin-top: 1rem;
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
}

.energy-bars,
.bars {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 190px 1fr 80px;
  gap: 0.8rem;
  align-items: center;
}

.bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}

.bar i {
  display: block;
  width: var(--w);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.image-grid {
  display: grid;
  gap: 1rem;
}

.image-card { margin: 0; }

.image-link {
  display: block;
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.image-link:hover,
.image-link:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.24);
}

.image-link img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.image-caption {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.85;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 1000;
}

.lightbox:target {
  display: flex;
}

.lightbox-inner {
  position: relative;
  max-width: min(1200px, 96vw);
  max-height: 92vh;
  width: 100%;
}

.lightbox-close {
  position: absolute;
  top: -0.75rem;
  right: 0;
  transform: translateY(-100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.14);
  color: white;
  backdrop-filter: blur(10px);
}

.lightbox img {
  display: block;
  width: 100%;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 16px;
}

.lightbox-hint {
  margin-top: 0.75rem;
  color: #fff;
  opacity: 0.8;
  font-size: 0.95rem;
}

.matrix {
  width: 100%;
  border-collapse: collapse;
}

.matrix th,
.matrix td {
  padding: 0.85rem;
  border: 1px solid rgba(255,255,255,0.08);
  vertical-align: top;
  text-align: left;
}

.matrix th {
  background: rgba(255,255,255,0.05);
}

.process {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 0.95rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 999px;
  background: rgba(89,214,255,0.10);
  color: var(--accent);
  font-weight: 800;
}

.cta.small,
.cta {
  padding: 1.25rem;
}

.site-footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 1050px) {
  .hero,
  .grid-4,
  .grid-3,
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .hero,
  .grid-2,
  .grid-3,
  .grid-4,
  .card-grid,
  .hero-mini,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 1fr;
  }

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

  .lightbox {
    padding: 1rem;
  }

  .lightbox-close {
    top: 0.5rem;
    right: 0.5rem;
    transform: none;
    position: absolute;
  }

  .lightbox img {
    border-radius: 12px;
  }
}
.nav-main {
        display: flex;
        align-items: center;
        gap: 1rem;
        flex-wrap: wrap;
      }

      .dropdown {
        position: relative;
      }

      .dropdown-toggle {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        cursor: pointer;
        text-decoration: none;
        color: inherit;
      }

      .dropdown-toggle::after {
        content: "▾";
        font-size: 0.8rem;
        opacity: 0.8;
      }

      .dropdown-menu {
        position: absolute;
        top: calc(100% + 10px);
        right: 0;
        min-width: 240px;
        background: rgba(7, 17, 26, 0.96);
        border: 1px solid rgba(255,255,255,0.12);
        border-radius: 16px;
        box-shadow: 0 18px 40px rgba(0,0,0,0.35);
        padding: 0.5rem;
        display: none;
        backdrop-filter: blur(12px);
        z-index: 60;
      }

      .dropdown:hover .dropdown-menu,
      .dropdown:focus-within .dropdown-menu {
        display: block;
      }

      .dropdown-menu a {
        display: block;
        padding: 0.75rem 0.85rem;
        border-radius: 12px;
        text-decoration: none;
        color: rgba(255,255,255,0.75);
      }

      .dropdown-menu a:hover {
        background: rgba(255,255,255,0.06);
        color: #fff;
      }