:root {
  --color-bg: #030711;
  --color-bg-alt: #07111f;
  --color-surface: rgba(11, 31, 44, 0.72);
  --color-surface-solid: #102535;
  --color-border: rgba(72, 176, 160, 0.25);
  --color-border-strong: rgba(72, 176, 160, 0.4);
  --color-text: #f4f8fb;
  --color-text-muted: #a6b8cc;
  --color-accent: #4cf3c7;
  --color-accent-strong: #1fe0b1;
  --color-highlight: rgba(76, 243, 199, 0.08);
  --shadow-lg: 0 18px 70px rgba(5, 15, 35, 0.55);
  --shadow-md: 0 12px 40px rgba(5, 15, 35, 0.38);
  --shadow-sm: 0 6px 16px rgba(5, 15, 35, 0.28);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --font-sans: 'Inter', 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  --timing: cubic-bezier(.2, .8, .2, 1);
  --header-height: 88px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(1400px 900px at 85% -180px, rgba(76,243,199,0.12), rgba(4,7,17,0)),
    radial-gradient(1200px 700px at -120px 220px, rgba(31,112,224,0.12), rgba(3,7,17,0)),
    linear-gradient(180deg, #030711 0%, #050b16 40%, #060d1a 100%);
  line-height: 1.55;
}

#site-header {
  height: var(--header-height);
}

a { color: inherit; text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { color: var(--color-accent); }

img { display: block; max-width: 100%; height: auto; }

main { display: flex; flex-direction: column; gap: 72px; padding: 56px 0 120px; }

.container { width: min(1160px, 100%); margin: 0 auto; padding: 0 24px; }

section { position: relative; }

h1, h2, h3, h4 { font-weight: 600; margin: 0; line-height: 1.2; }
 p { margin: 0; }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; background: rgba(76, 243, 199, 0.08); color: var(--color-accent); }

.muted { color: var(--color-text-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform .3s var(--timing), box-shadow .3s var(--timing), border-color .3s var(--timing);
}
.btn.primary { background: linear-gradient(120deg, var(--color-accent-strong), var(--color-accent)); color: #032f24; box-shadow: var(--shadow-sm); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn.secondary { background: rgba(76, 243, 199, 0.08); border-color: rgba(76, 243, 199, 0.35); color: var(--color-accent); }
.btn.secondary:hover { border-color: rgba(76, 243, 199, 0.6); }

.btn-group { display: flex; flex-wrap: wrap; gap: 12px; }

.grid { display: grid; gap: 24px; }
.grid.auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.split { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid rgba(76, 243, 199, 0.08);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  transition: transform .35s var(--timing), box-shadow .35s var(--timing), border-color .35s var(--timing);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  pointer-events: none;
  mask: linear-gradient(180deg, rgba(255,255,255,0.25), transparent);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(76, 243, 199, 0.28); }

.badge-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.badge { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,0.06); color: var(--color-text-muted); font-size: 13px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.list-reset { list-style: none; margin: 0; padding: 0; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--timing), transform .6s var(--timing); }
.reveal.in { opacity: 1; transform: translateY(0); }

@media (max-width: 880px) {
  :root { --header-height: 74px; }
}

@media (max-width: 540px) {
  :root { --header-height: 66px; }
}

@media (max-width: 960px) {
  main { padding-top: 64px; gap: 56px; }
  .grid.split { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container { padding: 0 18px; }
  main { padding-bottom: 100px; }
  .card { padding: 22px; }
  .btn { width: 100%; justify-content: center; }
}