/* ─────────────────────────────────────────────────────────
   shilovskii.dev — site styles (Apple HIG minimal)
   ───────────────────────────────────────────────────────── */

:root {
  --accent: #c8682b;
  --accent-dim: rgba(200, 104, 43, 0.10);

  --bg: #f6f2ea;
  --bg-2: #efeae0;
  --bg-3: #e6e0d3;
  --fg: #1a1813;
  --fg-2: #524f46;
  --fg-3: #8c897d;
  --fg-4: #b5b1a3;
  --line: rgba(26, 24, 19, 0.09);
  --card: #fbf8f2;
  --shadow-sm: 0 1px 2px rgba(20,19,15,0.04), 0 1px 0 rgba(20,19,15,0.02);
  --shadow-md: 0 4px 16px rgba(20,19,15,0.06), 0 1px 2px rgba(20,19,15,0.04);

  --code-bg: #15140f;
  --code-fg: #e8e6dd;
}

html.dark {
  /* Тёплый, чуть приглушённый тёмный — не чёрный, с лёгким оттенком в сторону акцента */
  --bg: #1c1a17;
  --bg-2: #25221e;
  --bg-3: #2f2c26;
  --fg: #f4f2ec;
  --fg-2: #c4c1b4;
  --fg-3: #8e8b7e;
  --fg-4: #5a574e;
  --line: rgba(244,242,236,0.09);
  --card: #25221e;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35);
  --shadow-md: 0 8px 32px rgba(0,0,0,.35);
  --code-bg: #15130f;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--fg);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.5;
}

p, h1, h2, h3, h4 { margin: 0; }
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.025em; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; padding: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

.mono { font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace; }

/* ── Layout ── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 242, 234, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
html.dark .site-nav {
  background: rgba(28, 26, 23, 0.82);
}
.site-nav-inner {
  max-width: 980px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 24px; height: 24px; border-radius: 7px;
  background: var(--fg); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; letter-spacing: -0.5px;
}
.brand-name { font-weight: 600; font-size: 14px; letter-spacing: -0.2px; }
.nav-links { display: flex; gap: 24px; margin-left: 20px; font-size: 13.5px; color: var(--fg-2); }
.nav-links a { transition: color .12s; }
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); font-weight: 500; }
.nav-spacer { flex: 1; }

.crumb { color: var(--fg-2); font-size: 13px; display: flex; align-items: center; gap: 12px; }
.crumb .sep { color: var(--fg-4); }
.crumb .here { color: var(--fg); }

/* Theme toggle */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 0;
  padding: 2px; border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
}
.theme-toggle button {
  width: 26px; height: 22px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-3);
  transition: background .15s, color .15s;
}
.theme-toggle button.on { background: var(--fg); color: var(--bg); }
.theme-toggle svg { display: block; }

.container { max-width: 980px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 720px; margin: 0 auto; padding: 0 32px; }
.container-prose { max-width: 680px; margin: 0 auto; padding: 0 32px; }
.container-wide { max-width: 1180px; margin: 0 auto; padding: 0 32px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  margin-top: 64px;
}
.site-footer-inner {
  max-width: 980px; margin: 0 auto;
  padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--fg-3);
}
.site-footer .links { display: flex; gap: 18px; }
.site-footer .links a { transition: color .12s; }
.site-footer .links a:hover { color: var(--fg); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  white-space: nowrap;
  transition: transform .08s, opacity .12s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { opacity: .9; }
.btn-ghost { border: 1px solid var(--line); color: var(--fg-2); }
.btn-ghost:hover { color: var(--fg); }

/* Live pill */
.pill-live {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 500; color: var(--accent);
}
.pill-live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 104, 43, 0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(200, 104, 43, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 104, 43, 0); }
}

/* App icon */
.app-icon {
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; letter-spacing: -0.03em;
  color: #fff; flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.18);
}

/* App card */
.app-card {
  display: block;
  padding: 24px; border-radius: 16px;
  background: var(--card); border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .12s, box-shadow .15s, border-color .15s;
}
.app-card:hover {
  border-color: rgba(20,19,15,0.16);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
html.dark .app-card:hover { border-color: rgba(244,242,236,0.18); }

.app-card-row { display: flex; align-items: center; gap: 14px; }
.app-card-meta { flex: 1; min-width: 0; }
.app-card-name { font-size: 16px; font-weight: 600; letter-spacing: -0.2px; }
.app-card-tag { font-size: 11px; color: var(--fg-3); margin-top: 2px; }
.app-card-summary { font-size: 14px; line-height: 1.5; color: var(--fg-2); margin-top: 16px; text-wrap: pretty; }

/* Image placeholder */
.img-ph {
  background-image: repeating-linear-gradient(
    45deg, var(--bg-2), var(--bg-2) 8px,
    var(--bg-3) 8px, var(--bg-3) 16px
  );
  display: flex; align-items: center; justify-content: center;
  color: var(--fg-3);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.04em;
  border-radius: 12px;
  border: 1px solid var(--line);
}

/* Prose */
.prose p { font-size: 17px; line-height: 1.7; color: var(--fg-2); margin-bottom: 20px; text-wrap: pretty; }
.prose p strong { color: var(--fg); font-weight: 600; }
.prose h2 { font-size: 26px; font-weight: 600; letter-spacing: -0.3px; margin-top: 48px; margin-bottom: 14px; color: var(--fg); }
.prose > .container-prose > h2:first-child,
.prose .container-prose > h2:first-of-type:first-child { margin-top: 0; }
.prose h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.2px; margin-top: 32px; margin-bottom: 10px; color: var(--fg); }
.prose ul { margin-bottom: 20px; }
.prose li { font-size: 17px; line-height: 1.7; color: var(--fg-2); padding-left: 20px; position: relative; margin-bottom: 6px; }
.prose li::before { content: "·"; position: absolute; left: 6px; color: var(--accent); font-weight: 700; }
.prose code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.88em;
  background: var(--bg-2);
  padding: 1px 6px; border-radius: 4px;
  color: var(--fg);
}
.prose pre {
  background: var(--code-bg); color: var(--code-fg);
  padding: 20px 22px; border-radius: 12px;
  font-size: 13.5px; line-height: 1.6;
  overflow-x: auto; margin: 24px 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.prose pre .c { color: #807e72; }
.prose pre .g { color: #c8682b; }
.prose pre .v { color: #c8a06a; }
.prose pre .s { color: #9d9b8f; }
.prose blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
  font-size: 18px; font-style: italic;
  color: var(--fg); line-height: 1.6;
}
.prose hr { margin: 40px 0; }

/* Guide (long-form docs inside app pages) — tighter scale than full prose */
.guide-prose p { font-size: 15px; line-height: 1.65; margin-bottom: 14px; }
.guide-prose li { font-size: 15px; line-height: 1.65; margin-bottom: 4px; }
.guide-prose ul { margin-bottom: 14px; }
.guide-prose h4 {
  font-size: 15px; font-weight: 600; letter-spacing: -0.2px;
  margin: 20px 0 8px; color: var(--fg);
}
.guide-prose code { font-size: 0.86em; }
.guide-prose section:first-child { border-top: none !important; padding-top: 0 !important; }

.callout {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px;
  border-radius: 12px;
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  margin: 28px 0;
}
.callout-icon { color: var(--accent); flex-shrink: 0; padding-top: 2px; }
.callout-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; color: var(--fg); }
.callout-body { font-size: 13.5px; color: var(--fg-2); line-height: 1.55; }

/* Section header */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 28px;
}
.section-title { font-size: 22px; font-weight: 600; letter-spacing: -0.3px; }
.section-meta { font-size: 13px; color: var(--fg-3); }

/* Tag */
.tag-mono {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--line);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.04em;
  color: var(--fg-2);
  text-transform: uppercase;
}

/* Post list */
.post-row {
  display: grid; grid-template-columns: 100px 1fr auto;
  gap: 24px; padding: 20px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  transition: background .12s;
}
.post-row:hover { background: var(--bg-2); }
.post-row:first-child { border-top: none; }
.post-row .date { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 12px; color: var(--fg-3); }
.post-row .title { font-size: 16px; font-weight: 500; margin-bottom: 4px; color: var(--fg); }
.post-row .kicker { font-size: 12px; color: var(--fg-3); }

/* Form */
.input {
  padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 14px;
  background: var(--bg); color: var(--fg);
  outline: none; transition: border-color .12s, box-shadow .12s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

/* Contact form */
.field { display: flex; flex-direction: column; gap: 8px; }
.field-label {
  display: flex; align-items: baseline; justify-content: space-between;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-3);
}
.field-label .req { color: var(--accent); }
.field-label .hint { text-transform: none; letter-spacing: 0; font-family: "Inter Tight", sans-serif; color: var(--fg-4); font-size: 12px; }
.field input.input,
.field textarea.input {
  width: 100%;
  background: var(--card);
  font-size: 15px;
  padding: 12px 14px;
}
.field textarea.input {
  min-height: 160px; resize: vertical;
  line-height: 1.55;
  font-family: inherit;
}
.field input.input::placeholder,
.field textarea.input::placeholder { color: var(--fg-4); }

/* Topic segmented control */
.topic-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--card);
  padding: 4px;
}
.topic-group input { position: absolute; opacity: 0; pointer-events: none; }
.topic-group label {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 10px; border-radius: 7px;
  font-size: 13px; color: var(--fg-2);
  cursor: pointer; user-select: none;
  transition: background .12s, color .12s;
  text-align: center; line-height: 1.2;
}
.topic-group label:hover { color: var(--fg); }
.topic-group input:checked + label {
  background: var(--fg); color: var(--bg);
  font-weight: 500;
}
.topic-group input:focus-visible + label { box-shadow: 0 0 0 3px var(--accent-dim); }
@media (max-width: 640px) {
  .topic-group { grid-template-columns: 1fr 1fr; }
}

/* Submit row */
.submit-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-top: 8px;
}
.submit-row .meta {
  font-size: 12px; color: var(--fg-3);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

/* Side rail for alternative contact methods */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 56px;
  align-items: start;
}
.contact-rail { display: flex; flex-direction: column; gap: 28px; }
.contact-rail h3 {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-3); font-weight: 500;
  margin-bottom: 10px;
}
.contact-rail .item { font-size: 14px; line-height: 1.55; color: var(--fg-2); }
.contact-rail .item a { color: var(--fg); border-bottom: 1px solid var(--line); transition: border-color .12s; }
.contact-rail .item a:hover { border-color: var(--accent); }
.contact-rail .item .desc { color: var(--fg-3); font-size: 13px; margin-top: 2px; }
@media (max-width: 880px) {
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-rail { order: 2; border-top: 1px solid var(--line); padding-top: 32px; }
}

/* Success state */
.contact-success {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: left;
  display: flex; gap: 20px; align-items: flex-start;
}
.contact-success .check {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: white;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-success h2 { font-size: 22px; margin-bottom: 8px; }
.contact-success p { font-size: 15px; color: var(--fg-2); line-height: 1.6; margin-bottom: 16px; }
.contact-success .btn-link {
  font-size: 13px; color: var(--accent);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.contact-success .btn-link:hover { text-decoration: underline; }

/* Validation */
.field input.input.invalid,
.field textarea.input.invalid {
  border-color: #c8392b;
  box-shadow: 0 0 0 3px rgba(200, 57, 43, 0.10);
}
.field-error {
  font-size: 12px; color: #c8392b;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  display: none;
}
.field input.input.invalid ~ .field-error,
.field textarea.input.invalid ~ .field-error { display: block; }

/* Keyboard combo pill (app shortcuts table) */
.kbd-group { display: inline-flex; align-items: center; gap: 4px; }
.kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 24px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 1px 0 var(--line);
}
html.dark .kbd { background: var(--bg-3); }
.kbd-plus { color: var(--fg-4); font-size: 11px; margin: 0 1px; }
.kbd-or { color: var(--fg-3); font-size: 11px; margin: 0 6px; font-family: "Inter Tight", sans-serif; }

/* App hero — at-tag-of-svg-icon alignment in primary button */
.btn-primary svg { display: block; }

/* Catalogue + flow grids — break to single column on narrow screens */
@media (max-width: 880px) {
  .catalogue-grid { grid-template-columns: 1fr !important; }
  .catalogue-grid > div { border-left: none !important; }
  .catalogue-grid > div + div { border-top: 1px solid var(--line) !important; }
  .flow-grid { grid-template-columns: 1fr !important; }
  .flow-grid > div { border-left: none !important; }
  .flow-grid > div + div { border-top: 1px solid var(--line) !important; }
  .pricing-grid { grid-template-columns: 1fr !important; }
  .shots-grid { grid-template-columns: 1fr !important; }
}

/* Keyboard table — collapse the trailing note column below comfortable widths */
@media (max-width: 880px) {
  .kbd-row { grid-template-columns: 64px 1fr !important; row-gap: 8px !important; }
  .kbd-row > :nth-child(3) { grid-column: 2; }
  .kbd-row > :nth-child(4) { grid-column: 1 / -1; text-align: left !important; max-width: none !important; }
}

/* Hero grid — stack on narrow screens */
@media (max-width: 880px) {
  .app-hero { grid-template-columns: 1fr !important; gap: 40px !important; }
}

/* Stat strip — wrap to 2 cols on small screens */
@media (max-width: 720px) {
  .stats-grid { grid-template-columns: 1fr 1fr !important; }
  .stats-grid > div:nth-child(2n) { border-left: 1px solid var(--line); }
  .stats-grid > div:nth-child(2n+1) { border-left: none !important; }
  .stats-grid > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* Intermediate: hide docs TOC before columns get crushed */
@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 220px 1fr !important; gap: 40px !important; }
  .docs-aside-toc { display: none; }
  .guide-layout { grid-template-columns: 1fr !important; }
  .guide-toc { display: none; }
}

/* Mobile */
@media (max-width: 720px) {
  .site-nav-inner { padding: 12px 20px; gap: 16px; flex-wrap: wrap; }
  .nav-links { gap: 16px; margin-left: 0; order: 3; flex-basis: 100%; padding-top: 8px; border-top: 1px solid var(--line); }
  .container, .container-narrow, .container-prose, .container-wide { padding: 0 20px; }
  .hero-title { font-size: 38px !important; }
  .apps-grid { grid-template-columns: 1fr !important; }
  .stats-grid { grid-template-columns: 1fr 1fr !important; }
  .docs-layout { grid-template-columns: 1fr !important; }
  .docs-2col { grid-template-columns: 1fr !important; gap: 40px !important; }
  .post-row { grid-template-columns: 1fr; gap: 4px; }
  .post-row .date { order: -1; }
  .features-grid { grid-template-columns: 1fr !important; }
  .footer-inner { flex-direction: column; gap: 16px; }
}

/* Smooth scroll */
html { scroll-behavior: smooth; }

/* Selection */
::selection { background: var(--accent); color: white; }