/* ============================================================================
   ATOMIC LAB — SIMPLE DOCUMENT PAGES (about, contact, errors)
   ========================================================================== */

.pg-doc { --sect-y: clamp(2.5rem, 4.5vw, 4.5rem); }

.doc-hero { padding-top: calc(var(--nav-h) + clamp(2rem, 5vw, 4rem)); padding-bottom: clamp(1rem, 2vw, 2rem); }
.doc-hero__h {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.5rem); line-height: 1.05;
  letter-spacing: -0.04em; margin: 0.85rem 0 1.15rem;
  text-wrap: balance;
}

.doc-split { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.9fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.doc-side { display: flex; flex-direction: column; gap: 0.85rem; position: sticky; top: calc(var(--nav-h) + 2rem); }
@media (max-width: 900px) {
  .doc-split { grid-template-columns: 1fr; }
  .doc-side { position: static; }
}

.grid-3 .card { padding-top: 2.6rem; position: relative; }

/* --- Contact ------------------------------------------------------------ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.form-grid .full { grid-column: 1 / -1; }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field label { font-family: var(--font-mono); font-size: var(--t-3xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.form-note { font-size: var(--t-2xs); color: var(--ink-3); line-height: 1.6; }
.form-alert {
  padding: 0.85rem 1.1rem; border-radius: var(--r-3);
  font-size: var(--t-sm); margin-bottom: 1.25rem;
}
.form-alert--ok { background: rgba(79,224,138,0.1); border: 1px solid rgba(79,224,138,0.3); color: #a8f5cb; }
.form-alert--bad { background: rgba(255,95,118,0.1); border: 1px solid rgba(255,95,118,0.3); color: #ffb3be; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* --- Error -------------------------------------------------------------- */
.err {
  min-height: 76svh;
  display: grid; place-items: center;
  padding-top: var(--nav-h);
  text-align: center;
  position: relative;
}
.err__code {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(5rem, 18vw, 12rem); line-height: 0.85;
  letter-spacing: -0.06em;
  background: linear-gradient(160deg, #ffffff, #59e6ff 45%, #a98bff);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}
.err__h { font-size: var(--t-2xl); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.85rem; }
.err__p { color: var(--ink-2); font-size: var(--t-md); max-width: 52ch; margin: 0 auto 2rem; line-height: 1.65; }
.err__row { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }
.err__syms { display: flex; gap: 0.4rem; justify-content: center; flex-wrap: wrap; margin-top: 2.5rem; }
.err__sym {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm);
  color: var(--fam, var(--beam));
  border: 1px solid color-mix(in srgb, var(--fam, var(--beam)) 32%, transparent);
  background: color-mix(in srgb, var(--fam, var(--beam)) 10%, transparent);
  border-radius: var(--r-2);
  transition: all var(--d-2) var(--e-out);
}
.err__sym:hover { transform: translateY(-3px); color: #fff; background: color-mix(in srgb, var(--fam, var(--beam)) 25%, transparent); }