/* Tialsoft — общие стили. Шрифты: DejaVu Serif/Mono, кириллица+латиница, subset woff2. */

@font-face {
  font-family: "Rail Serif";
  src: url("/assets/fonts/DejaVuSerif.subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Rail Serif";
  src: url("/assets/fonts/DejaVuSerif-Bold.subset.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Rail Mono";
  src: url("/assets/fonts/DejaVuSansMono.subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Rail Mono";
  src: url("/assets/fonts/DejaVuSansMono-Bold.subset.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #eef2f1;
  --paper-raised: #ffffff;
  --paper-sunken: #e4e9e7;
  --ink: #16232c;
  --ink-muted: #4b5a61;
  --brass: #a4691f;
  --brass-strong: #7e4f17;
  --brass-tint: #a4691f14;
  --line: rgba(22, 35, 44, 0.14);
  --line-strong: rgba(22, 35, 44, 0.28);
  --shadow: 0 1px 0 rgba(22, 35, 44, 0.05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0e161f;
    --paper-raised: #161f29;
    --paper-sunken: #0a1119;
    --ink: #e7ecea;
    --ink-muted: #93a2a8;
    --brass: #dc9a4f;
    --brass-strong: #f0b06a;
    --brass-tint: #dc9a4f1c;
    --line: rgba(231, 236, 234, 0.16);
    --line-strong: rgba(231, 236, 234, 0.3);
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0e161f; --paper-raised: #161f29; --paper-sunken: #0a1119;
  --ink: #e7ecea; --ink-muted: #93a2a8;
  --brass: #dc9a4f; --brass-strong: #f0b06a; --brass-tint: #dc9a4f1c;
  --line: rgba(231, 236, 234, 0.16); --line-strong: rgba(231, 236, 234, 0.3);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.4); color-scheme: dark;
}
:root[data-theme="light"] {
  --paper: #eef2f1; --paper-raised: #ffffff; --paper-sunken: #e4e9e7;
  --ink: #16232c; --ink-muted: #4b5a61;
  --brass: #a4691f; --brass-strong: #7e4f17; --brass-tint: #a4691f14;
  --line: rgba(22, 35, 44, 0.14); --line-strong: rgba(22, 35, 44, 0.28);
  --shadow: 0 1px 0 rgba(22, 35, 44, 0.05); color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}
a { color: inherit; }
::selection { background: var(--brass); color: var(--paper-raised); }
img, svg { max-width: 100%; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--brass); color: #fff6ec; padding: 10px 16px; border-radius: 3px;
}
.skip-link:focus { left: 16px; top: 16px; }

/* wide shell — used by header and by section-level wrappers */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 640px) { .shell { padding: 0 20px; } }

h1, h2, h3 {
  font-family: "Rail Serif", Georgia, serif;
  font-weight: 700;
  text-wrap: balance;
  margin: 0;
}
p { margin: 0 0 14px; }

.eyebrow {
  font-family: "Rail Mono", ui-monospace, monospace;
  font-size: 12.5px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--brass);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--brass); display: inline-block; flex: none; }

/* header */
header.site {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(6px);
  position: sticky; top: 0; z-index: 20;
}
.site-bar { padding: 16px 32px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { font-family: "Rail Mono", ui-monospace, monospace; font-weight: 700; font-size: 15px; letter-spacing: 0.06em; white-space: nowrap; text-decoration: none; }
.wordmark span { color: var(--brass); }
nav.site-nav { display: flex; gap: 22px; font-size: 14px; }
nav.site-nav a { text-decoration: none; color: var(--ink-muted); border-bottom: 1px solid transparent; padding-bottom: 2px; transition: color .15s ease, border-color .15s ease; }
nav.site-nav a:hover, nav.site-nav a:focus-visible, nav.site-nav a[aria-current="page"] { color: var(--ink); border-color: var(--brass); }
@media (max-width: 640px) { nav.site-nav { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--brass); color: #fff6ec; font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 3px; text-decoration: none; border: 1px solid var(--brass-strong);
  transition: transform .15s ease, background .15s ease;
}
.btn:hover, .btn:focus-visible { background: var(--brass-strong); transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover, .btn.ghost:focus-visible { background: var(--paper-raised); color: var(--ink); }

.credential { font-family: "Rail Mono", ui-monospace, monospace; font-size: 12.5px; color: var(--ink-muted); }

/* ===== HOME: hero as two-column on wide screens ===== */
.hero { padding: 56px 0 48px; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,0.95fr); gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 36px; } }
.hero h1 { font-size: clamp(32px, 3.6vw, 48px); line-height: 1.12; margin: 18px 0 20px; letter-spacing: -0.01em; max-width: 16ch; }
.hero .lede { font-size: 18px; color: var(--ink-muted); max-width: 46ch; margin: 0 0 30px; }
.hero-cta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

.schematic { border: 1px solid var(--line); background: var(--paper-raised); border-radius: 4px; padding: 22px 18px 16px; box-shadow: var(--shadow); }
.schematic svg { display: block; width: 100%; height: auto; }
.schematic-cap { display: flex; justify-content: space-between; font-family: "Rail Mono", ui-monospace, monospace; font-size: 11px; letter-spacing: .06em; color: var(--ink-muted); text-transform: uppercase; margin-top: 12px; border-top: 1px dashed var(--line); padding-top: 10px; }
.flow-path { fill: none; stroke: var(--ink-muted); stroke-width: 1.5; stroke-dasharray: 340; stroke-dashoffset: 340; animation: draw 1.8s ease forwards .2s; }
.flow-node circle { fill: var(--paper-raised); stroke: var(--brass); stroke-width: 2; opacity: 0; animation: pop .5s ease forwards; }
.flow-node text { font-family: "Rail Mono", ui-monospace, monospace; font-size: 9.5px; fill: var(--ink-muted); opacity: 0; animation: pop .5s ease forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .flow-path { animation: none; stroke-dashoffset: 0; }
  .flow-node circle, .flow-node text { animation: none; opacity: 1; }
}

section { padding: 46px 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 30px; max-width: 68ch; }
.section-head h2 { font-size: clamp(24px, 2.6vw, 30px); margin-top: 12px; }
.section-head p { color: var(--ink-muted); max-width: 58ch; margin: 12px 0 0; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding: 0; list-style: none; }
.chips li { font-family: "Rail Mono", ui-monospace, monospace; font-size: 12px; letter-spacing: .03em; border: 1px solid var(--line-strong); border-radius: 3px; padding: 5px 10px; color: var(--ink-muted); }

/* overview card grid — home services/bots listing, uses the wide shell fully */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 18px; }
.card {
  border: 1px solid var(--line); background: var(--paper-raised); border-radius: 4px;
  padding: 22px 20px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: var(--ink);
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover, .card:focus-visible { border-color: var(--brass); transform: translateY(-2px); }
.card .code { font-family: "Rail Mono", ui-monospace, monospace; font-size: 12px; color: var(--brass); }
.card h3 { font-size: 18px; }
.card p { color: var(--ink-muted); font-size: 15px; margin: 0; flex: 1; }
.card .go { font-family: "Rail Mono", ui-monospace, monospace; font-size: 12px; color: var(--brass); }
.card.soon { opacity: .82; }
.card .badge { align-self: flex-start; font-family: "Rail Mono", ui-monospace, monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; background: var(--brass-tint); color: var(--brass); border-radius: 3px; padding: 3px 8px; }

/* ===== detail pages: rail + prose layout ===== */
.page-grid { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: 64px; max-width: 1180px; margin: 0 auto; padding: 44px 32px 0; align-items: start; }
@media (max-width: 1100px) { .page-grid { grid-template-columns: 1fr; padding: 32px 20px 0; } }

.rail { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 22px; }
@media (max-width: 1100px) {
  .rail { position: static; flex-direction: row; flex-wrap: wrap; gap: 16px 28px; border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 8px; }
}
.rail-block { font-family: "Rail Mono", ui-monospace, monospace; font-size: 12px; }
.rail-block .label { color: var(--brass); text-transform: uppercase; letter-spacing: .08em; font-size: 10.5px; margin-bottom: 8px; display: block; }
.rail-block ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.rail-block a { text-decoration: none; color: var(--ink-muted); }
.rail-block a:hover, .rail-block a:focus-visible, .rail-block a[aria-current="page"] { color: var(--brass); }
.rail-block a[aria-current="page"] { font-weight: 700; }

.prose { max-width: 720px; padding-bottom: 60px; }
.prose .eyebrow { margin-bottom: 14px; }
.prose h1 { font-size: clamp(28px, 3.4vw, 38px); line-height: 1.16; margin-bottom: 18px; }
.prose .lede { font-size: 18.5px; color: var(--ink-muted); margin-bottom: 28px; }
.prose h2 { font-size: 21px; margin: 34px 0 12px; }
.prose ul.outputs { padding-left: 20px; color: var(--ink); }
.prose ul.outputs li { margin-bottom: 6px; }
.prose .note {
  font-family: "Rail Mono", ui-monospace, monospace; font-size: 12.5px; color: var(--ink-muted);
  background: var(--brass-tint); border-left: 2px solid var(--brass); padding: 12px 16px; margin: 24px 0;
}
.prose .cta-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 30px; }

/* case pipeline */
.pipeline { display: flex; flex-wrap: wrap; gap: 0; align-items: center; margin: 22px 0 26px; font-family: "Rail Mono", ui-monospace, monospace; font-size: 12.5px; }
.pipeline .step { border: 1px solid var(--line-strong); border-radius: 3px; padding: 8px 12px; background: var(--paper-raised); white-space: nowrap; margin: 4px 0; }
.pipeline .arrow { color: var(--brass); padding: 0 8px; }

/* contact / subscribe panel */
.contact-panel {
  border: 1px solid var(--line-strong); background: var(--paper-raised); border-radius: 4px;
  padding: 30px 26px; display: flex; flex-direction: column; gap: 16px;
}
.stamp {
  font-family: "Rail Mono", ui-monospace, monospace; font-size: 11px; color: var(--ink-muted);
  letter-spacing: .06em; text-transform: uppercase; border: 1px dashed var(--line-strong);
  display: inline-block; padding: 4px 8px; border-radius: 3px; align-self: flex-start;
}
.contact-panel h2 { font-size: 24px; }
.contact-panel > p { color: var(--ink-muted); max-width: 56ch; margin: 0; }
.contact-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.contact-alt { font-size: 14px; color: var(--ink-muted); }
.contact-alt b { color: var(--ink); font-weight: 600; }

.contact-form { display: flex; flex-direction: column; gap: 12px; max-width: 480px; }
.contact-form input, .contact-form textarea {
  font: inherit; font-size: 15px; color: var(--ink); background: var(--paper-sunken);
  border: 1px solid var(--line-strong); border-radius: 3px; padding: 11px 13px; resize: vertical;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--ink-muted); }
.contact-form input:disabled, .contact-form textarea:disabled { cursor: not-allowed; opacity: .7; }
.contact-form .btn:disabled { background: var(--ink-muted); border-color: var(--ink-muted); cursor: not-allowed; transform: none; }

/* bots */
.bot-card { border: 1px solid var(--line); background: var(--paper-raised); border-radius: 4px; padding: 26px 24px; display: flex; flex-direction: column; gap: 12px; }
.bot-card .badge { align-self: flex-start; font-family: "Rail Mono", ui-monospace, monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; background: var(--brass-tint); color: var(--brass); border-radius: 3px; padding: 3px 8px; }
.bot-card h3 { font-size: 20px; }
.bot-card p { color: var(--ink-muted); margin: 0; }
.bot-card .price { font-family: "Rail Mono", ui-monospace, monospace; font-size: 13px; color: var(--ink-muted); }

footer.site { padding: 30px 0 50px; font-family: "Rail Mono", ui-monospace, monospace; font-size: 12px; color: var(--ink-muted); }
footer.site .shell { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }