/* MasterBot landing — "paper workshop".
   Ink on warm paper, one safety-orange spot colour, editorial grid, hairlines.
   No CDN, no framework: every rule below is used by index.html. */

:root {
  --paper: #f7f0e4;
  --paper-deep: #efe5d3;
  --paper-card: #fbf6ec;
  --ink: #191410;
  --ink-muted: #6a5b4b;
  --ink-faint: #9c8b78;
  --rule: rgba(25, 20, 16, 0.16);
  --rule-strong: rgba(25, 20, 16, 0.42);
  --accent: #de4a22;
  --accent-dark: #bf3d1a;
  --olive: #4d5a3e;
  --tg-in: #ffffff;
  --tg-out: #e7ffd3;
  --tg-meta: #7d8a76;
  --sans: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "Space Grotesk", ui-monospace, Menlo, monospace;
  --shell: 1220px;
  --pad: 32px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(rgba(25, 20, 16, 0.045) 1px, transparent 0);
  background-size: 26px 26px;
}

::selection { background: rgba(222, 74, 34, 0.22); }

a { color: inherit; }

img, svg { max-width: 100%; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- type ---------- */

h1, h2, h3 { font-family: var(--serif); font-weight: 500; margin: 0; letter-spacing: -0.02em; }

.h1 {
  font-size: clamp(40px, 6.4vw, 84px);
  line-height: 0.98;
  max-width: 14ch;
}

.h1 em { font-style: italic; color: var(--accent); }

.h2 {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  max-width: 22ch;
}

.h3 { font-size: 22px; line-height: 1.25; }

.lead {
  font-size: 19px;
  line-height: 1.62;
  color: var(--ink-muted);
  margin: 22px 0 0;
  max-width: 46ch;
}

.body-muted { color: var(--ink-muted); margin: 14px 0 0; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
  flex: none;
}

.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.num { font-variant-numeric: tabular-nums; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 17px 26px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--ink);
  color: #fff8ef;
  box-shadow: 5px 5px 0 rgba(25, 20, 16, 0.85);
}

.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:active { transform: translate(3px, 3px); box-shadow: 2px 2px 0 rgba(25, 20, 16, 0.85); }

.btn-ghost {
  border-color: transparent;
  background: transparent;
  padding: 12px 2px;
  text-decoration: underline;
  text-decoration-color: rgba(222, 74, 34, 0.45);
  text-underline-offset: 6px;
}

.btn-ghost:hover { color: var(--accent); }

.btn:focus-visible,
a:focus-visible,
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: rgba(247, 240, 228, 0.86);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark i {
  width: 9px;
  height: 9px;
  background: var(--accent);
  display: inline-block;
}

.nav {
  display: flex;
  gap: 26px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav a { text-decoration: none; color: var(--ink-muted); }
.nav a:hover { color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-actions .btn { padding: 12px 18px; font-size: 11px; }
.header-actions .tg-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: rgba(222, 74, 34, 0.5);
  color: var(--ink);
}

/* ---------- hero ---------- */

.hero { padding: 64px 0 56px; }
.hero .shell {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: 56px;
  align-items: start;
}

.hero-copy { padding-top: 6px; }
.hero-copy .kicker { margin-bottom: 26px; }

.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 34px; }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 46px;
  border-top: 1px solid var(--rule);
}

.hero-facts div {
  padding: 16px 16px 0 0;
  border-right: 1px solid var(--rule);
}
.hero-facts div:last-child { border-right: 0; }
.hero-facts div + div { padding-left: 16px; }

.hero-facts b {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-top: 6px;
  color: var(--ink);
}

/* ---------- telegram mock ---------- */

.tg-wrap { position: relative; }

.tg {
  position: relative;
  background: var(--tg-in);
  border: 1px solid var(--rule-strong);
  box-shadow: 9px 9px 0 rgba(25, 20, 16, 0.1);
  overflow: hidden;
  max-width: 462px;
  margin-left: auto;
}

.tg-head {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 14px;
  background: #ffffff;
  border-bottom: 1px solid #e9e6df;
}

.tg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--olive);
  color: #f7f0e4;
  font-family: var(--serif);
  font-size: 18px;
  display: grid;
  place-items: center;
  flex: none;
}

.tg-title { font-size: 14px; font-weight: 600; line-height: 1.2; }
.tg-status { font-size: 11px; color: var(--tg-meta); line-height: 1.3; }

.tg-body {
  padding: 18px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background:
    radial-gradient(rgba(25, 20, 16, 0.05) 1px, transparent 0) 0 0 / 22px 22px,
    #f1ece2;
  min-height: 286px;
}

.tg-msg {
  max-width: 86%;
  padding: 8px 11px 6px;
  border-radius: 11px;
  font-size: 14.5px;
  line-height: 1.45;
  box-shadow: 0 1px 1px rgba(25, 20, 16, 0.08);
  position: relative;
}

.tg-msg.in {
  align-self: flex-start;
  background: var(--tg-in);
  border-bottom-left-radius: 4px;
}

.tg-msg.out {
  align-self: flex-end;
  background: var(--tg-out);
  border-bottom-right-radius: 4px;
}

.tg-meta {
  display: block;
  text-align: right;
  font-size: 10.5px;
  color: var(--tg-meta);
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}

.tg-meta .ticks { color: #4d9e6a; letter-spacing: -2px; margin-left: 2px; }

.tg-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: #ffffff;
  border-top: 1px solid #e9e6df;
  color: #a4a099;
  font-size: 13px;
}

.tg-input svg { flex: none; }

.tg-caption {
  max-width: 462px;
  margin-left: auto;
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

/* ---------- section frame ---------- */

.section { border-top: 1px solid var(--rule); padding: 68px 0; }
.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 34px;
}
.section-head .label { color: var(--accent); }
.section-head .line { flex: 1; height: 1px; background: var(--rule); }

/* ---------- capability columns ---------- */

.cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}

.col {
  padding: 26px 28px 6px 0;
  border-right: 1px solid var(--rule);
}
.col:last-child { border-right: 0; padding-right: 0; }
.col + .col { padding-left: 28px; }

.col .idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 12px;
}

.col p { margin: 10px 0 0; color: var(--ink-muted); font-size: 16.5px; line-height: 1.6; }

/* ---------- sources ---------- */

.sources {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 56px;
  align-items: start;
}

.file-stack { margin-top: 26px; display: grid; gap: 10px; }

.file {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--rule-strong);
  background: var(--paper-card);
  padding: 13px 15px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  box-shadow: 3px 3px 0 rgba(25, 20, 16, 0.07);
}

.file svg { flex: none; color: var(--accent); }
.file span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.file-note { margin-top: 18px; font-size: 14.5px; color: var(--ink-muted); }

.ledger {
  border: 1px solid var(--rule-strong);
  background: var(--paper-card);
  padding: 22px 24px 18px;
}

.ledger h3 { font-size: 20px; margin-bottom: 4px; }
.ledger .label { display: block; margin-bottom: 18px; }

.ledger table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.ledger th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: left;
  font-weight: 500;
  padding: 0 0 9px;
  border-bottom: 1px solid var(--rule-strong);
}
.ledger th:nth-child(2), .ledger td:nth-child(2) { text-align: center; }
.ledger th:last-child, .ledger td:last-child { text-align: right; }

.ledger td {
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: baseline;
}
.ledger tr:last-child td { border-bottom: 0; }

.ledger td:nth-child(2) { color: var(--ink-muted); white-space: nowrap; font-size: 14px; }
.ledger td:last-child { font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 600; }
.ledger .muted { color: var(--ink-faint); }

/* ---------- timeline ---------- */

.timeline { border-top: 1px solid var(--rule-strong); }

.step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 200px;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}

.step .n {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--accent);
  font-style: italic;
}

.step h3 { font-size: 21px; }
.step p { margin: 6px 0 0; color: var(--ink-muted); font-size: 16px; max-width: 54ch; }

.step .time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  justify-self: end;
  text-align: right;
  white-space: nowrap;
}

.step .time small { display: block; color: var(--ink-faint); letter-spacing: 0.12em; font-size: 10px; margin-top: 3px; }

.timeline-foot {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-top: 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.timeline-foot b { color: var(--accent); font-weight: 600; }

/* ---------- channels ---------- */

.channels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong);
}

.channel {
  padding: 26px 26px 4px 0;
  border-right: 1px solid var(--rule);
}
.channel + .channel { padding-left: 26px; }
.channel:last-child { border-right: 0; padding-right: 0; }

.channel .ch-name {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.channel .label { display: block; margin-bottom: 12px; }
.channel p { margin: 10px 0 0; color: var(--ink-muted); font-size: 15.5px; }

/* ---------- positioning ---------- */

.position { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 56px; align-items: start; }

.position-quote {
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0;
}
.position-quote em { font-style: italic; color: var(--accent); }

.position-list { display: grid; gap: 0; }
.position-list .row {
  display: flex;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
  color: var(--ink-muted);
}
.position-list .row:first-child { border-top: 1px solid var(--rule); }
.position-list .row b { color: var(--ink); font-weight: 600; }
.position-list .row .bullet { color: var(--accent); font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; padding-top: 5px; flex: none; }

/* ---------- honesty ---------- */

.honesty { display: grid; grid-template-columns: minmax(0, 1fr); gap: 38px; align-items: start; }
.honesty p { max-width: 62ch; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  border-top: 1px solid var(--rule-strong);
  padding-top: 28px;
}

.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 46px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.stat span { display: block; margin-top: 8px; font-size: 14px; line-height: 1.45; color: var(--ink-muted); }

/* ---------- final CTA ---------- */

.cta {
  background: var(--ink);
  color: var(--paper);
  padding: 72px 0;
  border-top: 1px solid var(--ink);
}

.cta .shell { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 64px; align-items: center; }

.cta h2 { color: var(--paper); max-width: 20ch; }
.cta p { color: rgba(247, 240, 228, 0.72); margin: 18px 0 0; max-width: 46ch; font-size: 17px; }

.cta .cta-actions { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; margin-top: 30px; }

.cta .btn-primary { border-color: var(--paper); box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.55); }
.cta .btn-ghost { color: var(--paper); text-decoration-color: rgba(247, 240, 228, 0.45); }
.cta .btn-ghost:hover { color: #f2b39f; }

.cta-aside {
  border: 1px solid rgba(247, 240, 228, 0.24);
  padding: 24px 26px;
  background: rgba(247, 240, 228, 0.04);
}

.cta-aside .label { color: rgba(247, 240, 228, 0.5); }
.cta-aside ul { margin: 14px 0 0; padding: 0; list-style: none; }
.cta-aside li {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid rgba(247, 240, 228, 0.14);
  font-size: 15px;
  color: rgba(247, 240, 228, 0.86);
}
.cta-aside li:first-child { border-top: 0; }
.cta-aside li::before { content: "→"; color: var(--accent); font-family: var(--mono); font-size: 12px; line-height: 1.7; }

/* ---------- footer ---------- */

.site-footer { padding: 30px 0 40px; }
.site-footer .shell {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer .label { color: var(--ink-faint); }
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; color: var(--ink-muted); }
.site-footer a:hover { color: var(--accent); }

/* ---------- responsive ---------- */

@media (max-width: 1020px) {
  .section-head .label:last-of-type { display: none; }
  :root { --pad: 24px; }
  .hero .shell { gap: 40px; }
  .nav { display: none; }
  .sources, .position, .honesty, .cta .shell { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .tg { margin-left: 0; max-width: 460px; }
  .tg-caption { margin-left: 0; max-width: 460px; }
  .step { grid-template-columns: 40px minmax(0, 1fr); gap: 16px; }
  .step .time { grid-column: 2; justify-self: start; text-align: left; margin-top: 8px; }
}

@media (max-width: 760px) {
  body { font-size: 17px; }
  .hero { padding: 38px 0 34px; }
  .hero .shell { grid-template-columns: minmax(0, 1fr); }
  .hero-copy .kicker { margin-bottom: 18px; }
  .hero-cta { margin-top: 26px; gap: 14px; }
  .hero-cta .btn-primary { width: 100%; }
  .hero-facts { margin-top: 30px; grid-template-columns: minmax(0, 1fr); }
  .hero-facts div { border-right: 0; border-bottom: 1px solid var(--rule); padding: 12px 0; }
  .hero-facts div + div { padding-left: 0; }
  .section { padding: 40px 0; }
  .cols { grid-template-columns: minmax(0, 1fr); }
  .col { border-right: 0; border-bottom: 1px solid var(--rule); padding: 20px 0; }
  .col + .col { padding-left: 0; }
  .col:last-child { border-bottom: 0; }
  .channels { grid-template-columns: minmax(0, 1fr); }
  .channel { border-right: 0; border-bottom: 1px solid var(--rule); padding: 20px 0; }
  .channel + .channel { padding-left: 0; }
  .channel:last-child { border-bottom: 0; }
  .step { grid-template-columns: 34px minmax(0, 1fr); }
  .stats { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .stat b { font-size: 34px; }
  .cta { padding: 48px 0; }
  .header-actions .tg-link { display: none; }
  .header-actions .btn { padding: 10px 14px; }
  .ledger { padding: 18px 16px 14px; }
  .ledger table { font-size: 14px; }
  .ledger td:nth-child(2) { white-space: normal; }
  .site-footer .shell { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}