:root {
  --bg: #eef0f4;
  --card: #ffffff;
  --tx: #14141c;
  --sub: #6b6f80;
  --sep: #e3e6ee;
  --ac: #667eea;
  --ac-hover: #5a70d6;
  --code: #f3f4f8;
  --shadow: 0 1px 2px rgba(20, 20, 40, .04), 0 10px 30px rgba(20, 20, 40, .07);
  --ok: #0f8f55;
  --warn: #b4472e;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1015;
    --card: #161a22;
    --tx: #e9ebf1;
    --sub: #8f96a8;
    --sep: #242935;
    --ac: #6f86ff;
    --ac-hover: #7f93ff;
    --code: #1d212b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35);
    --ok: #3ddc84;
    --warn: #ff8f72;
  }
}

:root[data-theme="dark"] {
  --bg: #0e1015;
  --card: #161a22;
  --tx: #e9ebf1;
  --sub: #8f96a8;
  --sep: #242935;
  --ac: #6f86ff;
  --ac-hover: #7f93ff;
  --code: #1d212b;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35);
  --ok: #3ddc84;
  --warn: #ff8f72;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding-inline: 20px;
  padding-block: 48px 72px;
}

a { color: var(--ac); }

h1, h2, h3 { margin: 0; }

h1 { text-wrap: balance; }

h1 {
  font-size: clamp(31px, 6vw, 44px);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.08;
}

h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--sub);
}

h3 { font-size: 19px; font-weight: 650; letter-spacing: -.01em; }

p { margin: 0; }

.lede {
  font-size: clamp(17px, 3.2vw, 20px);
  color: var(--sub);
  max-width: 36em;
}

header { display: flex; flex-direction: column; gap: 16px; }

section { display: flex; flex-direction: column; gap: 16px; margin-top: 52px; }

.back {
  display: inline-block;
  font-size: 14.5px;
  color: var(--sub);
  text-decoration: none;
  margin-bottom: 22px;
}

.back:hover { color: var(--ac); }

/* ——— карточки проектов на главной ——— */
.projects { display: flex; flex-direction: column; gap: 14px; }

.project {
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  border: 1px solid transparent;
}

.project:hover { border-color: var(--sep); }

.project .top { display: flex; align-items: center; gap: 11px; }

.dot { width: 11px; height: 11px; border-radius: 50%; flex: 0 0 auto; }

.project .what { color: var(--sub); font-size: 15.5px; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 13px;
  color: var(--sub);
  font-variant-numeric: tabular-nums;
}

.tag {
  white-space: nowrap;
  border: 1px solid var(--sep);
  border-radius: 999px;
  padding: 2px 10px;
}

.go { color: var(--ac); font-weight: 600; font-size: 15px; }

/* ——— кнопки ——— */
.btns { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ac);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 13px 22px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
}

.btn:hover { background: var(--ac-hover); }

.btn.ghost {
  background: transparent;
  color: var(--tx);
  border: 1px solid var(--sep);
}

.btn.ghost:hover { background: var(--card); }

/* ——— содержимое страниц проекта ——— */
.card {
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.rows { display: flex; flex-direction: column; }

.row {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 17px 0;
  border-bottom: 1px solid var(--sep);
}

.row:first-child { padding-top: 2px; }
.row:last-child { border-bottom: none; padding-bottom: 2px; }

.row strong { font-weight: 650; font-size: 17px; }
.row span { color: var(--sub); font-size: 15.5px; }

.steps { display: flex; flex-direction: column; gap: 14px; }

.step { display: flex; flex-direction: row; gap: 14px; align-items: baseline; }

.step .n {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--ac);
  font-variant-numeric: tabular-nums;
}

.step p { flex: 1 1 auto; min-width: 0; margin: 0; }

.sub { color: var(--sub); }

.grid2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 1px;
  background: var(--sep);
  border-radius: 14px;
  overflow: hidden;
}

.grid2 > div { background: var(--card); padding: 15px 17px; }
.grid2 b { display: block; font-weight: 650; font-size: 15.5px; }
.grid2 span { color: var(--sub); font-size: 13.5px; }

.hash {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  color: var(--sub);
  background: var(--code);
  border-radius: 8px;
  padding: 9px 12px;
  overflow-wrap: anywhere;
}

.note {
  border-left: 3px solid var(--warn);
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note p { color: var(--sub); font-size: 15.5px; }
.note strong { color: var(--tx); font-weight: 650; }

footer {
  margin-top: 60px;
  padding-top: 22px;
  border-top: 1px solid var(--sep);
  color: var(--sub);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

footer a { color: var(--sub); }