/* DIPDAP landing page. Served under a CSP of style-src 'self': no inline styles anywhere. */
:root {
  color-scheme: light dark;
  --page: #f9f9f7; --surface: #fcfcfb; --surface-2: #f0efec;
  --ink: #0b0b0b; --ink-2: #52514e; --muted: #6b6a66; --border: #e1e0d9;
  --accent: #2a78d6; --accent-2: #eb6834;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --page: #0d0d0d; --surface: #1a1a19; --surface-2: #2c2c2a;
          --ink: #f0efec; --ink-2: #c3c2b7; --muted: #a3a29b; --border: #2c2c2a;
          --accent: #3987e5; --accent-2: #d95926; }
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--page); color: var(--ink);
       font-size: 16px; line-height: 1.6; }
.top { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--surface);
       border-bottom: 1px solid var(--border); }
.brand { font-weight: 800; letter-spacing: 0.04em; color: var(--ink); text-decoration: none; }
.grow { flex: 1; }
.lang-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.lang-opt { font: inherit; font-size: 13px; padding: 4px 12px; border: 0; background: transparent; color: var(--ink-2); cursor: pointer; }
.lang-opt.on { background: var(--accent); color: #fff; }
main { flex: 1; width: 100%; max-width: 920px; margin: 0 auto; padding: 8px 16px 32px; }
.hero h1 { font-size: clamp(34px, 7vw, 52px); letter-spacing: 0.04em; line-height: 1.1; margin: 40px 0 12px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 62ch; margin: 0; }
.projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 40px 0; }
.project { display: flex; flex-direction: column; gap: 6px; background: var(--surface); border: 1px solid var(--border);
           border-radius: 12px; padding: 22px 22px 18px; color: var(--ink); text-decoration: none;
           transition: border-color 120ms ease, transform 120ms ease; }
.project:hover, .project:focus-visible { border-color: var(--accent); transform: translateY(-2px); outline: none; }
.project h2 { font-size: 22px; margin: 4px 0 0; }
.project p { color: var(--ink-2); margin: 0; flex: 1; }
.icon { font-size: 26px; line-height: 1; }
.icon-mail { color: var(--accent-2); } .icon-dns { color: var(--accent); }
.more { color: var(--accent); font-weight: 600; margin-top: 8px; }
.note p { color: var(--muted); font-size: 15px; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px 32px; border-top: 1px solid var(--border); }
@media (prefers-reduced-motion: reduce) { .project { transition: none; } .project:hover { transform: none; } }
@media (max-width: 600px) { .lead { font-size: 17px; } .hero h1 { margin-top: 28px; } }