/* mtikhonov.com — design "Field" (G): full-viewport six-vertex path field,
   content in translucent panels. Committed dark; zero JavaScript. */

:root {
  --ground: #0e1014;
  --veil: rgba(21, 24, 30, 0.84);
  --veil-edge: rgba(236, 231, 221, 0.12);
  --ivory: #ece7dd;
  --dim: #969188;
  --cobalt: #4f7df9;
  --cobalt-dim: #33447e;
}

body {
  background: var(--ground);
  color: var(--ivory);
  font: 1.03rem/1.66 'Iowan Old Style', Palatino, Georgia, serif;
  margin: 0;
}

a { color: var(--cobalt); text-decoration: none; border-bottom: 1px solid var(--cobalt-dim); }
a:hover { border-bottom-color: var(--cobalt); }
a:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; }

/* --- Background field --- */

.field { position: fixed; inset: 0; z-index: -1; }
.field svg { width: 100%; height: 100%; }

.strandline {
  stroke-dasharray: 4000;
  stroke-dashoffset: 4000;
  animation: draw 2s ease-out forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .strandline { animation: none; stroke-dashoffset: 0; }
}

/* --- Page structure: translucent cards over the field --- */

.page {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 1.4rem;
  align-items: start;
}
@media (max-width: 760px) { .page { grid-template-columns: 1fr; } }

/* Touch devices: backdrop blur over a fixed layer causes scroll jank on iOS
   Safari, and the 84% veil barely shows it anyway — trade blur for a slightly
   more opaque veil. Also grow link hit areas toward the 44px tap-target size. */
@media (pointer: coarse) {
  .card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(21, 24, 30, 0.93);
  }
  nav.bar a { display: inline-block; padding: 0.5rem 0; }
  .card.contact a { padding: 0.4rem; }
}

/* main is not a box of its own: its cards place directly into the page grid. */
main { display: contents; }
.card.hero, .foot { grid-column: 1 / -1; }
/* Subpage content sits in the wide right column; the field shows on the left. */
@media (min-width: 761px) {
  article.card { grid-column: 2; }
}

.card {
  background: var(--veil);
  border: 1px solid var(--veil-edge);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: 1.5rem 1.7rem;
}

/* --- Hero card --- */

/* Compact header: name and menu share one row. */
.card.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem 2rem;
  padding: 1.1rem 1.7rem;
}
.hero .name {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory);
  border: none;
  white-space: nowrap;
}
.hero .name:hover { color: var(--cobalt); }
nav.bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
nav.bar a { color: var(--ivory); border: none; }
nav.bar a:hover { color: var(--cobalt); }

/* --- Content card --- */

main h1, main h2 {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 2.2rem 0 1.1rem;
}
main h1 { font-size: 0.9rem; color: var(--ivory); }
main h2 { font-size: 0.82rem; }
main h1:first-child, main h2:first-child { margin-top: 0; }

main p { margin: 0 0 1rem; }
main p:last-child { margin-bottom: 0; }
main em { color: var(--cobalt); font-style: italic; }
main strong { color: var(--ivory); }

/* Markdown lists render as ruled rows, not bullets. */
main ul { list-style: none; margin: 0 0 1.5rem; padding: 0; }
main li { padding: 0.8rem 0; border-top: 1px solid var(--veil-edge); }
main li:first-child { border-top: none; padding-top: 0; }

/* Left rail on the homepage: photo card + contact card stacked. */
.stack { display: grid; gap: 1.4rem; align-self: start; }
.card.photo { padding: 0.6rem; line-height: 0; }
.card.photo img { width: 100%; height: auto; display: block; }

.card.contact h2 {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 0.6rem;
}
.card.contact ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.1rem; }
.card.contact li { padding: 0; border: none; }
.card.contact a { color: var(--ivory); border: none; display: inline-flex; }
.card.contact a:hover { color: var(--cobalt); }
.card.contact svg { width: 1.5rem; height: 1.5rem; fill: currentColor; }

math[display="block"] {
  display: block;
  text-align: center;
  margin: 0.6rem 0;
  font-size: 1.1rem;
}

/* --- Footer card --- */

.foot {
  color: var(--dim);
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.9rem 1.7rem;
}