/* VoxFlow Copilot — shared styles (direction A: "live call").
   Light paper page; the product's own dark panel is the only dark surface. */

:root {
  --paper: #f5f4f0;
  --paper-2: #ebe9e3;
  --ink: #15171c;
  --ink-2: #4a4f5a;
  --ink-3: #6b7180;
  --line: #d9d7d0;
  --signal: #c93a3f;
  --signal-ink: #a92f34;
  --panel: #15171c;
  --panel-text: #e8e6e1;
  --panel-dim: #9aa0ab;
  --panel-line: #2a2e37;
  --ok: #2f7d5b;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --wrap: 1160px;
  --gutter: 5vw;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

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

.display, h1, h2 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.08;
  font-optical-sizing: auto;
}
h1 { font-size: clamp(2.6rem, 5.2vw, 4.6rem); }
h2 { font-size: clamp(2rem, 3.4vw, 2.75rem); }
h3 { font-family: var(--sans); font-weight: 600; font-size: 1.2rem; line-height: 1.3; letter-spacing: -0.005em; }

.lede { font-size: 1.25rem; color: var(--ink-2); max-width: 34em; }
.muted { color: var(--ink-2); }
.small { font-size: 0.9375rem; color: var(--ink-3); }

/* ---------- nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 4.25rem; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 600; text-decoration: none; font-size: 1.05rem; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--signal); }
.nav-links { display: flex; gap: 1.75rem; }
.nav-links a { text-decoration: none; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 1.1rem; }

.lang { position: relative; }
.lang-btn {
  background: none; border: 0; padding: 0.4rem 0.2rem; cursor: pointer;
  font: inherit; color: var(--ink-2); display: inline-flex; align-items: center; gap: 0.35rem;
}
.lang-btn:hover { color: var(--ink); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  display: none; flex-direction: column; min-width: 11rem; padding: 0.35rem;
}
.lang-menu.show { display: flex; }
.lang-menu a { padding: 0.5rem 0.75rem; text-decoration: none; color: var(--ink-2); border-radius: 3px; white-space: nowrap; }
.lang-menu a:hover, .lang-menu a[aria-current="true"] { color: var(--ink); background: var(--paper-2); }

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

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.25rem; border-radius: var(--radius);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-signal { background: var(--signal); color: #fff; }
.btn-signal:hover { background: var(--signal-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-lg { padding: 1rem 1.5rem; font-size: 1.0625rem; }
.btn-note { font-size: 0.9375rem; color: var(--ink-3); }

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

.hero { padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(4rem, 7vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
.hero h1 { margin-bottom: 1.5rem; }
.hero .lede { margin-bottom: 2.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.hero-meta { margin-top: 1.5rem; font-size: 0.9375rem; color: var(--ink-3); }

/* live call panel: the product's own overlay, drawn as the hero picture */

.call {
  background: var(--panel); color: var(--panel-text);
  border-radius: 6px; padding: 1.5rem 1.6rem 1.7rem;
  font-size: 1rem; line-height: 1.55;
}
.call-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: 0.875rem; color: var(--panel-dim); }
.call-live { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--panel-text); }
.call-live i { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); display: block; }
.call-q { margin-top: 1.1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--panel-line); color: var(--panel-dim); }
.call-q-label, .call-a-label { display: block; font-size: 0.8125rem; color: var(--panel-dim); margin-bottom: 0.25rem; }
.call-a { margin-top: 1rem; min-height: 6.5em; color: var(--panel-text); font-size: 1.125rem; }
.call-caret { display: inline-block; width: 2px; height: 1.1em; background: var(--panel-text); vertical-align: -0.15em; margin-left: 2px; }
.call-foot { margin-top: 1.25rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.8125rem; color: var(--panel-dim); }

/* ---------- sections ---------- */

.section { padding: clamp(4rem, 8vw, 6.5rem) 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 2rem clamp(2rem, 5vw, 5rem); align-items: end; margin-bottom: 3rem; }
.section-head p { color: var(--ink-2); max-width: 30em; }

/* features: rows, not cards */

.rows { border-top: 1px solid var(--ink); }
.row {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 1rem clamp(2rem, 5vw, 5rem);
  padding: 1.6rem 0; border-bottom: 1px solid var(--line);
}
.row p { color: var(--ink-2); }

/* steps: a real sequence, so numbered */

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.step { padding: 1.75rem 2rem 0 0; }
.step + .step { padding-left: 2rem; border-left: 1px solid var(--line); }
.step-n { font-family: var(--serif); font-size: 2.6rem; line-height: 1; color: var(--signal); display: block; margin-bottom: 1rem; }
.step p { color: var(--ink-2); margin-top: 0.6rem; }

/* pricing: a plain table */

.plans { width: 100%; border-collapse: collapse; }
.plans th, .plans td { text-align: left; padding: 1.15rem 1rem 1.15rem 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.plans thead th { font-size: 0.9375rem; font-weight: 500; color: var(--ink-3); border-bottom: 1px solid var(--ink); }
.plans tbody th { font-family: var(--serif); font-size: 1.6rem; font-weight: 500; }
.plans .price { font-family: var(--serif); font-size: 1.6rem; }
.plans td .btn { padding: 0.6rem 1rem; }
.plans tr.hot th { color: var(--signal-ink); }

/* faq: native details */

.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.25rem 2.5rem 1.25rem 0; position: relative;
  font-weight: 600; font-size: 1.1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0.25rem; top: 50%; transform: translateY(-50%);
  font-family: var(--serif); font-size: 1.75rem; line-height: 1; color: var(--ink-2);
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 2.5rem 1.4rem 0; color: var(--ink-2); max-width: 48em; }

/* closing band */

.closing { border-top: 1px solid var(--line); padding: clamp(4rem, 8vw, 6rem) 0; }
.closing-grid { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 2rem; }
.closing h2 { max-width: 14em; }

/* footer */

.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 2.5rem; font-size: 0.9375rem; color: var(--ink-3); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; }
.site-footer nav a { color: var(--ink-2); text-decoration: none; margin-left: 1.25rem; }
.site-footer nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* telegram link (floating, plain) */

.tg {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 40;
  width: 52px; height: 52px; border-radius: 50%; background: var(--ink); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
}
.tg:hover { background: var(--signal); }
.tg svg { width: 26px; height: 26px; fill: currentColor; }

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

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 0.5rem; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 1.5rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: 0; }
}

@media (max-width: 760px) {
  body { font-size: 1rem; }
  .nav-links { display: none; }
  .nav-actions .btn { padding: 0.55rem 0.9rem; font-size: 0.9375rem; }
  .plans thead { display: none; }
  .plans, .plans tbody, .plans tr, .plans th, .plans td { display: block; width: 100%; }
  .plans tr { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
  .plans th, .plans td { border: 0; padding: 0.25rem 0; }
  .plans td.action { padding-top: 0.75rem; }
  .plans tr.hot { position: relative; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .call-caret { animation: none; }
}

@keyframes blink { 50% { opacity: 0; } }
.call-caret { animation: blink 1s steps(1) infinite; }

/* ---------- inner pages: blog, articles, legal ---------- */

.page { padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(4rem, 7vw, 6rem); }
.page .wrap { max-width: 760px; }
.page.wide .wrap { max-width: var(--wrap); }

.page-head { padding: clamp(3rem, 7vw, 5rem) 0 2.5rem; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.3rem, 4.6vw, 3.6rem); max-width: 16em; }
.page-head p { margin-top: 1rem; color: var(--ink-2); max-width: 34em; font-size: 1.125rem; }

/* blog list */

.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2.25rem 2rem; padding-top: 2.5rem; }
.ncard { display: block; text-decoration: none; color: var(--ink); }
.ncard img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 4px; margin-bottom: 1rem; }
.ncard .in { padding: 0; }
.ncard .cat { font-size: 0.875rem; color: var(--signal-ink); }
.ncard h3 { font-family: var(--serif); font-weight: 500; font-size: 1.45rem; line-height: 1.2; margin: 0.35rem 0 0.5rem; }
.ncard p { color: var(--ink-2); font-size: 0.975rem; }
.ncard .dt { font-size: 0.875rem; color: var(--ink-3); margin-top: 0.6rem; }
.ncard:hover h3 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }

/* article body */

.post h1 { font-size: clamp(2.2rem, 4.4vw, 3.2rem); margin: 1.25rem 0 0.75rem; }
.post .meta { font-size: 0.9375rem; color: var(--ink-3); }
.post .back { display: inline-block; margin-bottom: 0.5rem; font-size: 0.9375rem; color: var(--ink-2); text-decoration: none; }
.post .back:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.post img.cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 4px; margin: 1.75rem 0 2rem; }
.post h2 { font-size: clamp(1.6rem, 2.6vw, 2rem); margin: 2.75rem 0 0.9rem; }
.post p, .post li { font-size: 1.0625rem; color: var(--ink); margin-bottom: 1rem; line-height: 1.7; }
.post ul, .post ol { padding-left: 1.25rem; margin: 0 0 1.25rem; }
.post ul { list-style: disc; }
.post ol { list-style: decimal; }
.post li { margin-bottom: 0.5rem; }

/* legal pages */

.page h1 { font-size: clamp(2.3rem, 4.6vw, 3.4rem); margin-bottom: 0.75rem; }
.page h2 { font-size: clamp(1.45rem, 2.4vw, 1.8rem); margin: 2.5rem 0 0.75rem; }
.page p, .page li { margin-bottom: 0.9rem; }
.page ul { padding-left: 1.25rem; list-style: disc; margin-bottom: 1.25rem; }
.page li { margin-bottom: 0.5rem; }
.page .muted { color: var(--ink-3); }
.page .note { border-left: 3px solid var(--signal); padding: 0.6rem 0 0.6rem 1rem; color: var(--ink-2); margin: 1.5rem 0; }

/* links inside content: underlined, clearly links */

.page main a, .post a, .page a:not(.btn):not(.brand):not(.ncard) { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.page a.btn, .post a.btn { text-decoration: none; }
.page a:hover, .post a:hover { color: var(--signal-ink); }

/* download page */

.dl { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.dl-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
.dl h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); margin-bottom: 1.25rem; }
.dl .lede { margin-bottom: 2.25rem; }
.dl-meta { margin-top: 1rem; font-size: 0.9375rem; color: var(--ink-3); }
.facts { border-top: 1px solid var(--ink); }
.facts div { display: flex; justify-content: space-between; gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--ink-2); }
.facts dd { margin: 0; font-weight: 600; text-align: right; }

@media (max-width: 960px) {
  .dl-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .news-grid { grid-template-columns: 1fr; }
}