:root {
  --bg: #0f1216;
  --panel: #171c23;
  --panel-2: #1f2630;
  --text: #e8edf3;
  --muted: #9aa7b6;
  --brand: #2fd27a;
  --brand-2: #1a9e5a;
  --border: #2a333f;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.hero {
  background: radial-gradient(1200px 500px at 70% -10%, rgba(47,210,122,.18), transparent),
              var(--panel);
  border-bottom: 1px solid var(--border);
  padding-bottom: 64px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
  max-width: 980px;
  margin: 0 auto;
}
.nav .logo { font-weight: 800; margin-right: auto; font-size: 20px; }
.nav .logo span { color: var(--brand); }
.nav a { color: var(--muted); font-weight: 600; }

.hero-inner { max-width: 760px; margin: 48px auto 0; padding: 0 24px; text-align: center; }
.hero h1 { font-size: clamp(32px, 6vw, 54px); line-height: 1.05; margin: 0 0 16px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 auto 28px; max-width: 580px; }

.btn {
  display: inline-block;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
  color: #05240f;
  font-weight: 800;
  padding: 13px 22px;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  font-size: 16px;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }

.section { max-width: 980px; margin: 0 auto; padding: 56px 24px; }
.section h2 { font-size: 28px; margin: 0 0 20px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}
.chip.active { background: var(--brand); color: #05240f; border-color: var(--brand); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card .cat { color: var(--brand); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.card h3 { margin: 8px 0 8px; font-size: 18px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.badge { font-size: 12px; color: var(--muted); border: 1px solid var(--border); padding: 3px 8px; border-radius: 999px; }

.newsletter { text-align: center; }
.sub-form { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.sub-form input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 16px;
  min-width: 260px;
}
.sub-msg { margin-top: 14px; min-height: 22px; font-weight: 600; }
.sub-msg.ok { color: var(--brand); }
.sub-msg.err { color: #ff7a7a; }

.footer { max-width: 980px; margin: 0 auto; padding: 32px 24px 56px; border-top: 1px solid var(--border); }
.muted { color: var(--muted); }
.small { font-size: 13px; }