body { background: var(--bg); }

a { color: inherit; }

.btn.lg { padding: 12px 22px; font-size: 15px; min-height: 46px; }
a.btn { text-decoration: none; }

/* nav */
.l-nav {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 13px 24px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.l-brand { text-decoration: none; font-size: 14px; letter-spacing: 0.06em; }
.l-brand span { color: var(--accent); }
.l-nav nav { display: flex; align-items: center; gap: 8px; }
.l-nav nav a:not(.btn) {
  text-decoration: none; color: var(--muted); font-size: 13px; padding: 8px 10px;
}
.l-nav nav a:not(.btn):hover { color: var(--text); }

section { width: min(1060px, 100%); margin: 0 auto; padding: 0 24px; }

/* hero */
.l-hero { text-align: center; padding-top: 76px; padding-bottom: 40px; }
.l-hero h1 {
  margin: 0 0 16px; font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.1; letter-spacing: -0.02em;
}
.l-sub {
  margin: 0 auto 26px; max-width: 58ch; font-size: clamp(15px, 2vw, 18px); color: var(--soft);
}
.l-cta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.l-privacy {
  margin: 28px auto 0; max-width: 62ch; font-size: 13px; color: var(--muted);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 16px; background: var(--panel);
}
.l-privacy b { color: var(--text); }

/* screenshot */
.l-shot { padding-top: 26px; padding-bottom: 26px; }
.l-shot img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow);
}

/* entry tiles */
.l-start { padding-top: 58px; }
.l-start h2, .l-how h2, .l-roles h2 {
  margin: 0 0 22px; font-size: clamp(21px, 3vw, 28px); letter-spacing: -0.01em;
}
.l-tiles { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.l-tile {
  display: grid; align-content: start; gap: 8px;
  padding: 22px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
}
.l-tile:hover { border-color: var(--accent); }
.l-tile-tag {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); font-weight: 600;
}
.l-tile h3 { margin: 0; font-size: 18px; }
.l-tile p { margin: 0; color: var(--muted); font-size: 14px; }
.l-tile-go { margin-top: 6px; font-size: 13px; color: var(--accent); font-weight: 600; }

/* how */
.l-how { padding-top: 64px; }
.l-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.l-grid article {
  padding: 22px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.l-grid h3 { margin: 0 0 7px; font-size: 16px; }
.l-grid p { margin: 0; color: var(--muted); font-size: 14px; }

/* roles */
.l-roles { padding-top: 64px; }
.l-lead { margin: 0 0 22px; max-width: 74ch; color: var(--soft); }
.l-lead em { color: var(--text); font-style: normal; font-weight: 600; }
.l-levels { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.l-levels div {
  display: grid; gap: 3px; padding: 14px 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.l-levels b { font-size: 14px; }
.l-levels span { font-size: 12px; color: var(--muted); }
.l-fine { margin: 14px 0 0; font-size: 13px; color: var(--muted); }

/* final */
.l-final { text-align: center; padding-top: 76px; padding-bottom: 76px; }
.l-final h2 { margin: 0 0 18px; font-size: clamp(22px, 3.4vw, 32px); }

/* footer */
.l-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  padding: 22px 24px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 12px;
}

@media (max-width: 640px) {
  .l-nav { padding: 11px 14px; gap: 8px; flex-wrap: wrap; }
  .l-nav nav a:not(.btn) { display: none; }
  section { padding-inline: 14px; }
  .l-hero { padding-top: 46px; }
  .l-cta .btn { width: 100%; }
  .l-start, .l-how, .l-roles { padding-top: 44px; }
  .l-final { padding-block: 52px; }
}