/* Obsidian Network landing — calm pastel aesthetic */
:root {
  --bg-1: #f8efe5;
  --bg-2: #dde9e0;
  --card: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --text: #1f2937;
  --text-2: #4b5563;
  --muted: #7d7d86;
  --accent: #6366f1;
  --accent-hover: #4f56d3;
  --ok: #10b981;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font: 16px/1.6 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
        system-ui, sans-serif;
  letter-spacing: -0.005em;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  background-attachment: fixed;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

header.top {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
}
header .container { display: flex; align-items: center; gap: 12px; }
header .logo { font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
header .logo .dot { color: var(--accent); }
header nav { margin-left: auto; display: flex; gap: 24px; }
header nav a { color: var(--text-2); font-weight: 500; font-size: 14px; }

.container { max-width: 880px; margin: 0 auto; padding: 0 24px; }

.hero {
  padding: 80px 0 60px;
  text-align: center;
}
.hero h1 {
  font-size: 48px; font-weight: 700; letter-spacing: -0.03em;
  margin: 0 0 16px; line-height: 1.1;
}
.hero .lead {
  font-size: 19px; color: var(--text-2);
  max-width: 600px; margin: 0 auto 40px;
}
.hero .cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: var(--accent); color: white;
  border-radius: 12px; font-weight: 600; font-size: 16px;
  transition: background 0.15s, transform 0.05s;
}
.hero .cta:hover { background: var(--accent-hover); text-decoration: none; }
.hero .cta:active { transform: scale(0.98); }
.hero .cta-sub {
  display: block; margin-top: 12px; font-size: 13px; color: var(--muted);
}

section { padding: 48px 0; }
h2 {
  font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); font-weight: 600;
  margin: 0 0 16px;
}
.section-title {
  font-size: 28px; font-weight: 700; letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.section-sub { color: var(--text-2); margin: 0 0 32px; }

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
}
.feature .icon { font-size: 20px; margin-bottom: 8px; }
.feature h3 {
  margin: 0 0 6px; font-size: 16px; font-weight: 600;
}
.feature p { margin: 0; color: var(--text-2); font-size: 14px; }

.tariffs {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.tariff-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.tariff-row:last-child { border-bottom: 0; }
.tariff-row .name { font-weight: 600; }
.tariff-row .meta { color: var(--muted); font-size: 13px; margin-left: 8px; }
.tariff-row .price {
  font-size: 18px; font-weight: 700; letter-spacing: -0.01em;
}
.tariff-row.featured { background: linear-gradient(90deg, rgba(99,102,241,0.04), transparent); }
.tariff-row.featured .price { color: var(--accent); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  counter-reset: step;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  background: var(--accent); color: white;
  border-radius: 50%;
  font-weight: 700; font-size: 12px;
  margin-bottom: 10px;
}
.step p { margin: 0; font-size: 14px; color: var(--text-2); }

.cta-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px 32px;
  text-align: center;
  margin: 24px 0;
}
.cta-block h3 {
  font-size: 22px; margin: 0 0 8px; letter-spacing: -0.02em;
}
.cta-block p { color: var(--text-2); margin: 0 0 20px; }

footer {
  margin-top: 48px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
footer .container {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
footer .links { display: flex; gap: 20px; }
footer .links a { color: var(--text-2); }

.legal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  margin: 32px 0;
}
.legal h1 { font-size: 28px; margin: 0 0 8px; }
.legal .updated { color: var(--muted); font-size: 13px; margin: 0 0 24px; }
.legal h3 { margin: 24px 0 8px; font-size: 16px; }
.legal p { color: var(--text-2); }

@media (max-width: 600px) {
  .hero h1 { font-size: 32px; }
  .hero .lead { font-size: 16px; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .tariff-row { flex-direction: column; align-items: flex-start; gap: 4px; }
}