.mcp-tools{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px}.mcp-tools li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}.mcp-tools code{font-family:var(--mono);font-size:13px;color:var(--accent)}.mcp-tools span{font-size:13px;color:var(--muted)}
.seo details{border-top:1px solid var(--line);padding:12px 0}.seo summary{cursor:pointer;font-weight:600}.seo details p{color:var(--ink-2);margin:8px 0 0}
.door code{font-family:var(--mono);font-size:13px}

.hero{padding-block:48px 32px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.05;font-weight:800}.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:18px;color:var(--ink-2);max-width:36rem;margin:18px 0 26px}.hero .cta{display:flex;gap:12px;flex-wrap:wrap}.hero .note{margin-top:14px;font-size:13px;color:var(--muted)}
.letters{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.letters div{background:var(--deep);color:var(--deep-ink);border-radius:14px;padding:18px 14px 16px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between}
.letters b{font-family:var(--display);font-size:56px;line-height:1;font-weight:800;letter-spacing:-.05em}.letters div:last-child b{color:#5C8BFF}.letters span{font-family:var(--mono);font-size:12px;color:var(--deep-muted);letter-spacing:.04em;line-height:1.35}
.section{padding-block:28px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}.section h2{font-size:26px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--ink);transition:transform .12s,border-color .12s;display:block}.tile:hover{transform:translateY(-2px);border-color:var(--accent)}
.tile .ic{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:12px;font-size:18px}.tile b{display:block;font-size:16px;margin-bottom:3px}.tile span{color:var(--muted);font-size:13px}
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.door{padding:22px;border-radius:14px;background:var(--accent-soft);text-decoration:none;color:var(--ink);display:block}.door .k{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}.door h3{font-size:19px;margin:8px 0 6px}.door p{margin:0;color:var(--ink-2);font-size:15px}
.promise{background:var(--deep);color:var(--deep-ink);border-radius:20px;padding:40px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}.promise h2{font-size:30px;color:#fff}.promise p{color:var(--deep-muted);margin:10px 0 0;max-width:36rem}
.promise dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}.promise dt{font-family:var(--display);font-size:26px;font-weight:700;color:#fff}.promise dd{margin:2px 0 0;color:var(--deep-muted);font-size:14px}
@media (max-width:820px){.hero,.promise{grid-template-columns:1fr}.doors{grid-template-columns:1fr}.letters b{font-size:44px}}
@media (max-width:480px){.letters{grid-template-columns:1fr 1fr}}