/* ============================================================
   Сборка — дизайн-система прототипа
   Сигнатура: «манифест» — данные и коды моноширинным (как в
   таможенной накладной), верификация как штамп-печать.
   ============================================================ */

:root {
  --ink:      #0E2439;   /* авторитет / шапка / тёмные секции */
  --ink-2:    #16324F;   /* карточки на тёмном */
  --amber:    #E8913A;   /* бренд-акцент / основное действие */
  --amber-d:  #CE7A25;
  --teal:     #2E7D8A;   /* верификация / доверие */
  --green:    #2E9E6B;   /* положительный результат проверки */
  --red:      #C4462F;   /* скам / чёрный список / предупреждение */
  --paper:    #F5F7FA;   /* фон страницы (холодный, не кремовый) */
  --white:    #FFFFFF;
  --text:     #1A2433;
  --muted:    #64748B;
  --border:   #E1E7EE;
  --border-d: #24405C;

  --serif: "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --sans:  "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --wrap: 1180px;
  --r: 12px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.55;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; color: var(--ink); margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.35rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.2rem; color: #33465b; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 .8rem;
  display: inline-block;
}
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

/* ---------- header ---------- */
.site-header {
  background: var(--ink);
  color: #fff;
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--border-d);
}
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: baseline; gap: 9px; font-family: var(--serif); font-size: 1.5rem; font-weight: 600; color: #fff; }
.brand .tag { font-family: var(--mono); font-size: .6rem; letter-spacing: .18em; color: var(--amber); text-transform: uppercase; transform: translateY(-2px); }
.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: #C7D3E2; font-size: .93rem; transition: color .15s; }
.nav a:hover { color: #fff; }
.nav a.active { color: #fff; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--amber); color: #201200; font-weight: 600;
  padding: 12px 20px; border-radius: 9px; border: none; cursor: pointer;
  font-size: .95rem; font-family: var(--sans); transition: background .15s, transform .05s;
}
.btn:hover { background: var(--amber-d); }
.btn:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid #37536f; }
.btn-ghost:hover { background: #16324F; }
.btn-teal { background: var(--teal); color: #fff; }
.btn-teal:hover { background: #256776; }
.btn-lg { padding: 15px 26px; font-size: 1.02rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- hero ---------- */
.hero { background: var(--ink); color: #fff; padding: 72px 0 64px; }
.hero h1 { color: #fff; max-width: 15ch; }
.hero .lead { color: #AFC0D4; max-width: 52ch; }
.hero .eyebrow { color: var(--amber); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }

/* manifest card (hero right) */
.manifest {
  background: var(--ink-2); border: 1px solid var(--border-d); border-radius: var(--r);
  padding: 22px; font-family: var(--mono); font-size: .8rem; color: #C7D3E2;
}
.manifest .m-title { color: var(--amber); letter-spacing: .12em; text-transform: uppercase; font-size: .68rem; margin-bottom: 14px; }
.m-row { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed #2b476a; }
.m-row:last-child { border-bottom: none; }
.m-row .v { color: #fff; }
.ok { color: #59D39B; }

/* trust bar */
.trustbar { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--border-d); }
.trustbar .stat .n { font-family: var(--mono); font-size: 1.7rem; color: var(--amber); font-weight: 500; }
.trustbar .stat .l { font-size: .82rem; color: #9FB2C9; }

/* ---------- sections ---------- */
section { padding: 60px 0; }
.section-tight { padding: 40px 0; }
.section-head { max-width: 62ch; margin-bottom: 34px; }

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--r);
  padding: 24px;
}
.card h3 { margin-bottom: .3em; }
.card .ico { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 14px; font-family: var(--mono); font-weight: 600; color: #fff; }

/* ---------- verified stamp ---------- */
.stamp {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--teal); border: 1.5px solid var(--teal); border-radius: 6px;
  padding: 5px 9px; background: rgba(46,125,138,.06);
}
.stamp.green { color: var(--green); border-color: var(--green); background: rgba(46,158,107,.07); }
.stamp.red   { color: var(--red);   border-color: var(--red);   background: rgba(196,70,47,.06); }
.stamp .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- company cards ---------- */
.company { display: flex; flex-direction: column; gap: 14px; }
.company-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.company .name { font-family: var(--serif); font-size: 1.25rem; color: var(--ink); }
.company .meta { font-family: var(--mono); font-size: .74rem; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font-size: .76rem; background: #EEF2F6; color: #3d5069; border-radius: 999px; padding: 4px 11px; }
.chip.route { background: #FBEEDD; color: #8a5311; }
.company-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--border); padding-top: 14px; }
.rating { font-family: var(--mono); font-size: .82rem; color: var(--ink); }
.rating b { color: var(--green); }

/* ---------- filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.filters select, .filters input {
  font-family: var(--sans); font-size: .9rem; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text);
}
.filter-toggle { display: inline-flex; align-items: center; gap: 7px; font-size: .9rem; padding: 10px 14px; border: 1px solid var(--teal); color: var(--teal); border-radius: 8px; background: rgba(46,125,138,.05); cursor: pointer; }

/* ---------- manifest data rows (light) ---------- */
.data { font-family: var(--mono); font-size: .86rem; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; background: #fff; }
.data .d-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.data .d-row:last-child { border-bottom: none; }
.data .d-row .k { color: var(--muted); }
.data .d-row .v { color: var(--ink); text-align: right; }
.data .d-row .v.ok { color: var(--green); }
.data .d-row .v.no { color: var(--red); }

/* ---------- forms ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input, .field select {
  width: 100%; padding: 13px 14px; border: 1px solid var(--border); border-radius: 9px;
  font-family: var(--sans); font-size: .98rem; background: #fff; color: var(--text);
}
.field input.mono { font-family: var(--mono); letter-spacing: .04em; }
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r); padding: 28px; }

/* result box */
.result { border-radius: var(--r); padding: 20px 22px; margin-top: 22px; border: 1px solid; }
.result.green { border-color: var(--green); background: rgba(46,158,107,.06); }
.result.red { border-color: var(--red); background: rgba(196,70,47,.05); }
.result.amber { border-color: var(--amber); background: rgba(232,145,58,.07); }
.result .r-head { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; }

/* ---------- steps / how it works ---------- */
.steps { counter-reset: s; display: grid; gap: 16px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .num { flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px; background: var(--ink); color: #fff; font-family: var(--mono); font-weight: 600; display: grid; place-items: center; }
.step h3 { margin: .15em 0 .2em; }

/* ---------- dark band ---------- */
.band { background: var(--ink); color: #fff; }
.band h2 { color: #fff; }
.band .lead { color: #AFC0D4; }
.band .eyebrow { color: var(--amber); }

/* ---------- breadcrumbs ---------- */
.crumbs { font-size: .82rem; color: var(--muted); padding: 18px 0 0; }
.crumbs a:hover { color: var(--teal); }
.crumbs span { color: var(--border-d); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq summary { font-weight: 600; cursor: pointer; color: var(--ink); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--teal); }
.faq details[open] summary::after { content: "−"; }
.faq p { margin-top: 12px; color: #3d5069; }

/* ---------- notice ---------- */
.notice { font-size: .84rem; color: var(--muted); background: #fff; border: 1px solid var(--border); border-left: 3px solid var(--amber); border-radius: 8px; padding: 14px 16px; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #9FB2C9; padding: 54px 0 30px; margin-top: 20px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: #fff; font-family: var(--sans); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px; }
.site-footer a { display: block; color: #9FB2C9; font-size: .9rem; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.foot-brand .brand { color: #fff; margin-bottom: 10px; }
.foot-bottom { border-top: 1px solid var(--border-d); margin-top: 36px; padding-top: 20px; font-size: .8rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.proto { font-family: var(--mono); font-size: .72rem; color: var(--amber); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2, .foot-grid { grid-template-columns: 1fr; }
  .foot-grid { gap: 24px; }
  .nav { display: none; }
  .trustbar { gap: 26px; }
}

/* ============================================================
   Волна 2: калькулятор, посадочные, блог, тарифы, статьи
   ============================================================ */

/* light hero for landing pages */
.hero-light { padding: 46px 0 30px; }
.hero-light h1 { max-width: 20ch; }
.hero-light .lead { max-width: 60ch; }

/* prose (articles) */
.prose { max-width: 760px; font-size: 1.06rem; color: #263445; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; }
.prose p { margin: 0 0 1.1rem; }
.prose ul { padding-left: 1.1em; margin: 0 0 1.2rem; }
.prose li { margin-bottom: .5rem; }
.prose .callout { border-left: 3px solid var(--teal); background: #fff; border: 1px solid var(--border); border-left: 3px solid var(--teal); border-radius: 8px; padding: 16px 18px; margin: 1.4rem 0; font-size: .98rem; }
.prose strong { color: var(--ink); }

/* comparison table */
.ctable { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; font-size: .92rem; }
.ctable th, .ctable td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--border); }
.ctable thead th { background: var(--ink); color: #fff; font-weight: 600; font-size: .8rem; letter-spacing: .02em; }
.ctable tbody tr:last-child td { border-bottom: none; }
.ctable .num { font-family: var(--mono); }
.ctable .co { font-weight: 600; color: var(--ink); }
.ctable tbody tr:hover { background: #f9fbfc; }

/* calculator layout */
.calc-grid { display: grid; grid-template-columns: 360px 1fr; gap: 28px; align-items: start; }

/* pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r); padding: 26px; display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--amber); box-shadow: 0 8px 30px rgba(232,145,58,.14); }
.price-card .p-name { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); }
.price-card .p-price { font-family: var(--serif); font-size: 2.1rem; color: var(--ink); margin: 10px 0 4px; }
.price-card .p-price small { font-size: .9rem; color: var(--muted); font-family: var(--sans); }
.price-card ul { list-style: none; padding: 0; margin: 16px 0 22px; }
.price-card li { padding: 7px 0; border-bottom: 1px dashed var(--border); font-size: .92rem; color: #33465b; }
.price-card li::before { content: "✓"; color: var(--green); font-family: var(--mono); margin-right: 8px; }
.price-card .btn { margin-top: auto; }

/* post cards */
.post-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r); padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.post-card .tag-k { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--amber-d); }
.post-card h3 { margin: 0; font-size: 1.12rem; }
.post-card .ex { color: var(--muted); font-size: .92rem; margin: 0; }
.post-card a.more { margin-top: auto; color: var(--teal); font-family: var(--mono); font-size: .82rem; }

/* mini stat row */
.mini-stats { display: flex; gap: 34px; flex-wrap: wrap; margin: 8px 0 4px; }
.mini-stats .n { font-family: var(--mono); font-size: 1.5rem; color: var(--ink); }
.mini-stats .l { font-size: .82rem; color: var(--muted); }

@media (max-width: 900px) {
  .calc-grid, .price-grid { grid-template-columns: 1fr; }
  .ctable { font-size: .82rem; }
  .ctable th, .ctable td { padding: 10px; }
}