/* Task AI landing — B2B SaaS, sdержанная палитра.
   Ivory ground, single dark accent block, gold dosed.
   Russian-language. */
@import url('../colors_and_type.css');

:root {
  /* Core palette — disciplined */
  --paper:     #F6F2E9;   /* main ground */
  --paper-alt: #EFE7DA;   /* alt section bg (≤ 1-2 sections) */
  --card:      #FCFAF6;   /* card surface */
  --card-pure: #FFFFFF;   /* premium card surface */
  --alt-sage:  #E8EDE6;   /* sole accent-bg (one section) */
  --rule:      #E4DCCD;   /* hairlines, dividers */
  --rule-soft: rgba(20,20,20,0.06);

  --ink:       #141414;
  --ink-2:     #2C2A26;
  --ink-3:     #5E584F;

  --gold:      #B88A2C;
  --gold-d:    #9F741F;
  --gold-l:    #D6B05A;
  --gold-soft: rgba(184,138,44,0.10);

  --dark:      #151515;
  --dark-2:    #1F1F1E;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

section { padding: 88px 0; position: relative; }
section.tight { padding: 56px 0; }
@media (max-width: 720px) { section { padding: 56px 0; } }

.kicker { font: 600 12px/1 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-d); display: inline-flex; align-items: center; gap: 8px; }
.kicker .dot { width: 5px; height: 5px; background: var(--gold); border-radius: 50%; }

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--ink); }
h1 { font-weight: 700; font-size: clamp(30px, 4.2vw, 52px); line-height: 1.05; letter-spacing: -0.025em; }
h2 { font-weight: 700; font-size: clamp(28px, 3.8vw, 44px); line-height: 1.08; letter-spacing: -0.02em; }
h3 { font-weight: 600; font-size: 20px; line-height: 1.25; letter-spacing: -0.01em; }
h4 { font-weight: 600; font-size: 17px; line-height: 1.3; }

p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--ink-2); }
p.lead { font-size: 18px; line-height: 1.5; color: var(--ink-2); }

.muted { color: var(--ink-3); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(246, 242, 233, 0.88);
  border-bottom: 1px solid var(--rule);
}
.nav-row { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.brand-mark { width: 30px; height: 30px; border-radius: 7px; background: var(--dark); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.brand-mark img { width: 24px; height: 24px; object-fit: contain; }
.nav-links { display: flex; gap: 26px; margin-left: 12px; }
.nav-links a { font-size: 14.5px; font-weight: 500; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }
.nav-spacer { flex: 1; }
@media (max-width: 820px) { .nav-links { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 15px/1 var(--font-body);
  height: 52px; padding: 0 22px;
  border-radius: 999px; border: none; cursor: pointer;
  transition: transform 120ms var(--ease), background 160ms var(--ease), color 160ms var(--ease), box-shadow 160ms var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--gold); color: #fff; box-shadow: 0 1px 0 rgba(0,0,0,0.05), 0 6px 16px -8px rgba(184,138,44,0.55); }
.btn-primary:hover { background: var(--gold-d); }
.btn-dark    { background: var(--dark); color: var(--paper); }
.btn-dark:hover { background: #2A2A2A; }
.btn-ghost   { background: transparent; color: var(--ink); border: 1.5px solid rgba(20,20,20,0.15); }
.btn-ghost:hover { background: rgba(20,20,20,0.04); }
.btn-sm { height: 42px; padding: 0 16px; font-size: 14px; }
.btn-lg { height: 58px; padding: 0 28px; font-size: 16px; }
.btn-outline-light { background: transparent; color: var(--paper); border: 1.5px solid rgba(246,242,233,0.25); }
.btn-outline-light:hover { background: rgba(246,242,233,0.08); }

/* ---------- Hero ---------- */
.hero { padding: 36px 0 56px; }
.hero .grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 980px) { .hero .grid { grid-template-columns: 1fr; gap: 40px; } }
.hero h1 { margin-top: 16px; margin-bottom: 16px; max-width: 16ch; }
@media (max-width: 980px) { .hero h1 { max-width: none; } }
.hero h1 em { font-style: normal; color: var(--gold-d); }
.hero p.sub { font-size: 17px; line-height: 1.5; color: var(--ink-2); max-width: 500px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--card); border: 1px solid var(--rule);
  border-radius: 999px; padding: 6px 12px;
  font: 500 13px var(--font-body); color: var(--ink-2);
}
.chip svg { color: var(--gold-d); flex-shrink: 0; }

/* Hero stage (Telegram chat mock) */
.stage { position: relative; aspect-ratio: 4 / 5; max-width: 440px; margin-left: auto; }
@media (max-width: 980px) { .stage { margin: 0 auto; } }
.tg-mock {
  position: relative; z-index: 1;
  background: #17212B; border-radius: 24px; overflow: hidden;
  box-shadow: 0 24px 48px -20px rgba(20,20,20,0.20), 0 8px 20px -10px rgba(20,20,20,0.12);
  height: 100%; display: flex; flex-direction: column;
  border: 1px solid var(--rule);
}
.tg-mock-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: #17212B; border-bottom: 1px solid rgba(255,255,255,0.06); }
.tg-mock-head .av { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg,#2A1E08,#0B0B0E); border: 1px solid rgba(184,138,44,0.5); display:flex; align-items:center; justify-content:center; }
.tg-mock-head .meta { display: flex; flex-direction: column; }
.tg-mock-head .name { color: #E1E6EB; font: 600 14px var(--font-body); display: flex; align-items: center; gap: 4px; }
.tg-mock-head .name svg { color: #3390EC; }
.tg-mock-head .sub { color: #7A8895; font: 400 12px var(--font-body); }
.tg-mock-msgs { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 6px; background: #0E1621; overflow: hidden; }
.tg-mock-day { align-self: center; padding: 3px 10px; background: rgba(0,0,0,0.4); color: #E1E6EB; font: 500 11px var(--font-mono); border-radius: 12px; margin-bottom: 4px; }
.bub { padding: 8px 11px; border-radius: 12px; font: 400 13px/1.45 var(--font-body); max-width: 78%; word-wrap: break-word; }
.bub.out { align-self: flex-end; background: #2B5278; color: #E1E6EB; border-top-right-radius: 4px; }
.bub.in  { align-self: flex-start; background: #182533; color: #E1E6EB; border-top-left-radius: 4px; }
.bub .meta { font: 500 10px var(--font-mono); color: rgba(255,255,255,0.4); margin-top: 4px; text-align: right; }
.bub.out .meta { color: #6AB3F3; }
.voice { display: flex; align-items: center; gap: 8px; min-width: 200px; }
.voice .play { width: 26px; height: 26px; border-radius: 50%; background: #6AB3F3; color: #182533; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.voice .wave { flex: 1; display: flex; align-items: center; gap: 1.5px; height: 18px; }
.voice .wave span { width: 1.5px; background: #6AB3F3; border-radius: 1px; }
.voice .dur { font: 500 11px var(--font-mono); color: #7A8895; }
.bot-card-mini {
  background: #182533; border-left: 3px solid var(--gold-l); border-radius: 10px;
  padding: 10px 12px; max-width: 80%; align-self: flex-start;
  display: flex; flex-direction: column; gap: 6px;
  font: 400 12px var(--font-body); color: #E1E6EB;
}
.bot-card-mini .ttl { color: var(--gold-l); font-weight: 600; display: flex; align-items: center; gap: 4px; font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
.bot-card-mini .h { font-weight: 600; color: #E1E6EB; font-size: 13px; }
.bot-card-mini .row { display: flex; gap: 12px; font-size: 11px; color: #7A8895; }
.bot-card-mini .row strong { color: #E1E6EB; font-weight: 500; }
.bot-card-mini .topic { display: inline-flex; align-items: center; gap: 3px; background: rgba(184,138,44,0.18); color: var(--gold-l); padding: 1px 6px; border-radius: 3px; font: 500 10px var(--font-mono); align-self: flex-start; margin-top: 2px; }
.kbd-row { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; max-width: 80%; align-self: flex-start; margin-top: 2px; }
.kbd-row.full { grid-template-columns: 1fr; }
.kbd-btn { background: rgba(255,255,255,0.08); color: #6AB3F3; border: none; padding: 6px 10px; border-radius: 6px; font: 500 11px var(--font-body); cursor: pointer; text-align: center; }
.kbd-btn.primary { background: var(--gold); color: #fff; font-weight: 600; }
.tg-system-mini { align-self: center; background: rgba(0,0,0,0.4); color: #E1E6EB; font: 400 11px var(--font-body); padding: 3px 10px; border-radius: 10px; margin: 4px 0; }
.tg-system-mini .gold { color: var(--gold-l); }

/* ---------- Proof row ---------- */
.proof-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  margin-top: 48px;
  background: var(--card); border: 1px solid var(--rule); border-radius: 16px;
  overflow: hidden;
}
@media (max-width: 720px) { .proof-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .proof-row { grid-template-columns: 1fr; } }
.proof {
  padding: 24px 24px; display: flex; flex-direction: column; gap: 4px;
  border-right: 1px solid var(--rule);
  min-width: 0;
}
.proof:last-child { border-right: none; }
@media (max-width: 720px) {
  .proof:nth-child(2) { border-right: none; }
  .proof:nth-child(1), .proof:nth-child(2) { border-bottom: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .proof { border-right: none !important; border-bottom: 1px solid var(--rule); }
  .proof:last-child { border-bottom: none; }
}
.proof .n { font: 700 22px/1.2 var(--font-display); color: var(--ink); letter-spacing: -0.02em; overflow-wrap: break-word; word-break: break-word; hyphens: auto; }
.proof .t { font: 400 14px/1.45 var(--font-body); color: var(--ink-3); overflow-wrap: break-word; hyphens: auto; }

@media (max-width: 720px) {
  .proof { padding: 18px 18px; }
  .proof .n { font-size: 18px; }
  .proof .t { font-size: 13.5px; }
}

/* ---------- Section heads ---------- */
.s-head { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(320px, 1fr); gap: 48px; align-items: end; margin-bottom: 48px; }
.s-head .lead { max-width: 520px; }
@media (max-width: 1100px) { .s-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; } }

/* ---------- Pain / problem cards ---------- */
.bg-alt { background: var(--paper-alt); }
.bg-sage { background: var(--alt-sage); }
.bg-dark { background: var(--dark); color: var(--paper); }
.bg-dark h1, .bg-dark h2, .bg-dark h3 { color: var(--paper); }
.bg-dark p { color: rgba(246,242,233,0.72); }
.bg-dark .kicker { color: var(--gold-l); }

.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 980px) { .cards-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cards-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: 16px;
  padding: 24px 22px; display: flex; flex-direction: column; gap: 10px;
  min-height: 200px;
}
.card .glyph {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--gold-soft); color: var(--gold-d);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.card h3 { font-size: 18px; line-height: 1.25; }
.card p { font-size: 14.5px; line-height: 1.5; color: var(--ink-3); }

.closing-line {
  margin-top: 32px; padding: 20px 24px;
  background: var(--card); border: 1px solid var(--rule); border-radius: 14px;
  font: 600 17px/1.4 var(--font-display); color: var(--ink); letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 12px;
}
.closing-line svg { color: var(--gold-d); flex-shrink: 0; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 980px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--card-pure); border: 1px solid var(--rule); border-radius: 16px;
  padding: 22px 20px; display: flex; flex-direction: column; gap: 10px;
}
.step-n {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--ink); color: var(--paper);
  font: 600 15px var(--font-display);
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 16px; line-height: 1.25; }
.step p { font-size: 14px; line-height: 1.5; color: var(--ink-3); }

.formula {
  margin-top: 40px; text-align: center;
  padding: 24px;
}
.formula .label { font: 600 12px var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-d); margin-bottom: 12px; }
.formula .line { font: 700 clamp(22px, 3vw, 34px)/1.2 var(--font-display); color: var(--ink); letter-spacing: -0.02em; }

/* ---------- Features ---------- */
.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 880px) { .feats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .feats { grid-template-columns: 1fr; } }

/* ---------- Dark callout ---------- */
.callout-dark {
  margin-top: 40px;
  background: var(--dark); color: var(--paper);
  border-radius: 20px; padding: 56px 48px;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px;
}
@media (max-width: 880px) { .callout-dark { grid-template-columns: 1fr; padding: 40px 28px; gap: 24px; } }
.callout-dark h3 { color: var(--paper); font: 700 clamp(24px, 3vw, 32px)/1.15 var(--font-display); letter-spacing: -0.02em; }
.callout-dark p { color: rgba(246,242,233,0.7); margin-top: 12px; font-size: 16px; }
.callout-dark .note { color: var(--gold-l); font: 500 14px var(--font-body); margin-top: 20px; letter-spacing: -0.005em; }
.callout-dark ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.callout-dark li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; line-height: 1.45; color: var(--paper); }
.callout-dark li svg { color: var(--gold-l); flex-shrink: 0; margin-top: 3px; }

/* ---------- Comparison ---------- */
.compare { background: var(--card-pure); border: 1px solid var(--rule); border-radius: 18px; overflow: hidden; }
.compare table { width: 100%; border-collapse: collapse; }
.compare th, .compare td { padding: 18px 24px; text-align: left; vertical-align: top; font-size: 15.5px; line-height: 1.45; }
.compare thead th { font: 600 12px var(--font-body); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-3); background: var(--paper-alt); }
.compare thead th.task { color: var(--gold-d); }
.compare tbody tr { border-top: 1px solid var(--rule); }
.compare tbody td:first-child { color: var(--ink-3); }
.compare tbody td.task { color: var(--ink); font-weight: 500; }
.compare-line {
  margin-top: 24px; font: 700 clamp(18px, 2.2vw, 24px)/1.35 var(--font-display);
  color: var(--ink); letter-spacing: -0.01em; max-width: 760px;
}

/* ---------- Pricing ---------- */
.pricing-note { font: 500 13px var(--font-body); color: var(--ink-3); letter-spacing: 0.02em; margin-bottom: 24px; }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 880px) { .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }
.price {
  background: var(--card-pure); border: 1px solid var(--rule); border-radius: 20px;
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
}
.price.featured { border-color: var(--gold); box-shadow: 0 1px 0 var(--rule-soft), 0 16px 36px -20px rgba(184,138,44,0.30); }
.price .badge {
  position: absolute; top: -12px; left: 28px;
  background: var(--gold); color: #fff;
  font: 600 11px var(--font-body); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.price .tier { font: 600 14px var(--font-body); color: var(--gold-d); letter-spacing: 0.04em; text-transform: uppercase; }
.price .name { font: 700 22px var(--font-display); color: var(--ink); letter-spacing: -0.01em; }
.price .desc { font-size: 14px; color: var(--ink-3); line-height: 1.45; min-height: 40px; }
.price .amount { display: flex; align-items: baseline; gap: 6px; padding: 4px 0 4px; border-top: 1px solid var(--rule); padding-top: 18px; }
.price .amount .v { font: 700 36px/1 var(--font-display); color: var(--ink); letter-spacing: -0.02em; white-space: nowrap; }
.price .amount .per { font: 500 14px var(--font-body); color: var(--ink-3); }
.price .lim { font: 500 13px var(--font-body); color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.price .lim svg { color: var(--gold-d); }
.price ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.price li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.price li svg { color: var(--gold-d); flex-shrink: 0; margin-top: 3px; }
.price .btn { width: 100%; justify-content: center; margin-top: auto; }

/* ---------- Final CTA ---------- */
.cta-final {
  background: var(--dark); border-radius: 24px;
  padding: 80px 56px; text-align: center; color: var(--paper);
  position: relative; overflow: hidden;
}
@media (max-width: 720px) { .cta-final { padding: 56px 28px; border-radius: 20px; } }
.cta-final h2 { font-size: clamp(28px, 4vw, 44px); color: var(--paper); margin-bottom: 16px; max-width: 720px; margin-left: auto; margin-right: auto; }
.cta-final p { color: rgba(246,242,233,0.7); max-width: 580px; margin: 0 auto; font-size: 17px; }
.cta-final .cta-row { justify-content: center; margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.cta-final .small { margin-top: 20px; font-size: 13px; color: rgba(246,242,233,0.5); }
.cta-final .glow {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(184,138,44,0.20), transparent 70%);
  top: -120px; left: 50%; transform: translateX(-50%); pointer-events: none;
}

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 8px; max-width: 880px; }
.faq details {
  background: var(--card); border-radius: 14px; padding: 22px 26px;
  border: 1px solid var(--rule);
  transition: background 160ms var(--ease);
}
.faq details[open] { background: var(--card-pure); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font: 600 17px var(--font-display); color: var(--ink); letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 300 24px var(--font-display); color: var(--gold-d); transition: transform 200ms var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 12px; font-size: 15px; line-height: 1.55; color: var(--ink-2); }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: var(--paper); padding: 56px 0 28px; }
.footer .row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 720px) { .footer .row { grid-template-columns: 1fr 1fr; } }
.footer h5 { font: 600 12px var(--font-body); letter-spacing: 0.1em; text-transform: uppercase; color: rgba(246,242,233,0.5); margin: 0 0 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer a { color: rgba(246,242,233,0.85); font-size: 14.5px; }
.footer a:hover { color: var(--gold-l); }
.footer .brand { color: var(--paper); margin-bottom: 12px; }
.footer .legal { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; margin-top: 40px; border-top: 1px solid rgba(246,242,233,0.1); font-size: 13px; color: rgba(246,242,233,0.5); flex-wrap: wrap; gap: 12px; }
.footer .legal a { color: rgba(246,242,233,0.7); }

/* ---------- Legal pages ---------- */
.legal-page { padding: 56px 0 96px; max-width: 760px; margin: 0 auto; }
.legal-page .crumb { font: 500 14px var(--font-body); color: var(--ink-3); margin-bottom: 16px; display: inline-flex; align-items: center; gap: 6px; }
.legal-page h1 { font-size: clamp(32px, 4.5vw, 48px); margin-bottom: 12px; }
.legal-page .upd { color: var(--ink-3); font-size: 14px; margin-bottom: 36px; font-family: var(--font-mono); }
.legal-page h2 { font-size: 22px; margin: 36px 0 12px; letter-spacing: -0.01em; }
.legal-page h3 { font-size: 17px; margin: 20px 0 8px; }
.legal-page p, .legal-page li { font-size: 15.5px; line-height: 1.6; color: var(--ink-2); margin: 0 0 12px; }
.legal-page ul { padding-left: 20px; margin: 12px 0; }
.legal-page strong { color: var(--ink); font-weight: 600; }