/* ── Hero ── */
.hero {
  text-align: center;
  padding: 56px 20px 48px;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(42,159,214,0.08) 0%, transparent 70%);
}
.hero-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(42,159,214,0.3);
  border-radius: 100px;
  padding: 3px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.3;
  margin-bottom: 14px;
}
.hero p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 28px;
}
.hero-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 28px;
  border-radius: 100px;
  text-decoration: none !important;
  transition: opacity 0.2s;
}
.hero-cta:hover { opacity: 0.85; }

/* ── Layout ── */
.about-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px 64px;
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
hr.sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 auto 56px;
  max-width: 820px;
}

/* ── Feature Cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 56px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.2s, background 0.2s;
}
.card:hover { border-color: rgba(42,159,214,0.4); background: var(--bg-card-hover); }
.card-icon { font-size: 20px; display: block; margin-bottom: 10px; }
.card h3 { font-size: 14px; font-weight: 700; color: var(--text-heading); margin-bottom: 6px; }
.card p { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ── Detail block ── */
.detail-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 56px;
}
.detail-item {
  padding: 22px 26px;
  border-bottom: 1px solid var(--border);
}
.detail-item:last-child { border-bottom: none; }
.detail-item h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.detail-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0 0 8px;
}
.detail-item p:last-child { margin-bottom: 0; }
.screenshot {
  margin-top: 14px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.screenshot img { display: block; width: 100%; height: auto; }

/* ── Tips ── */
.tips-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 24px;
  margin-bottom: 56px;
  list-style: none;
}
.tips-block li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.tips-block li:last-child { border-bottom: none; }
.tips-block li::before {
  content: "✦";
  color: var(--accent);
  flex-shrink: 0;
  font-size: 11px;
  margin-top: 3px;
}

@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  .detail-item { padding: 18px; }
  .about-wrap { padding: 0 14px 56px; }
}