/* ==========================================================================
   BULLS Base styles — reset, typography, layout, components
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Roboto+Mono:wght@300;400;600&display=swap");
@import url("./tokens.css");

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--color-cta); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; padding: 0; margin: 0; }
:focus-visible { outline: 2px solid var(--bulls-darkred); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--bulls-darkred); color: #fff; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 .5em; line-height: 1.15; font-weight: 700; color: var(--color-text); }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 600; }
h4 { font-size: var(--fs-h4); font-weight: 600; }
p  { margin: 0 0 1em; }
.eyebrow { font-family: var(--font-mono); font-weight: 600; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--bulls-darkred); margin: 0 0 12px; display: inline-block; }
.eyebrow--ai { color: var(--bulls-purple); }
.lead { font-size: var(--fs-body-l); color: var(--color-text-muted); max-width: 64ch; }

/* "Объёмные цифры" из брендбука §1.14 */
.bulls-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-kpi);
  color: transparent;
  -webkit-text-stroke: 2px var(--bulls-darkred);
  text-stroke: 2px var(--bulls-darkred);
  paint-order: stroke fill;
  letter-spacing: -.02em;
  line-height: 1;
}
.bulls-num--ai { -webkit-text-stroke-color: var(--bulls-purple); }
.bulls-num--solid { color: var(--bulls-darkred); -webkit-text-stroke: 0; }

/* Полилиния "А-Б" из брендбука §1.16 */
.polyline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bulls-darkred);
  margin: 16px 0;
}
.polyline::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--bulls-darkred); }
.polyline::after { content: ""; flex: 1 1 80px; height: 2px; background: var(--bulls-darkred); }
.polyline--ai { color: var(--bulls-purple); }
.polyline--ai::before { background: var(--bulls-purple); }
.polyline--ai::after  { background: var(--bulls-purple); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--wide { max-width: var(--container-wide); }
.section { padding: clamp(48px, 7vw, 96px) 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--bulls-darkgray); color: var(--bulls-white); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--bulls-white); }
.section--ai { background: linear-gradient(180deg, #2a1640 0%, #461E64 100%); color: #fff; }
.section--ai h1, .section--ai h2, .section--ai h3 { color: #fff; }

.grid { display: grid; gap: var(--grid-gap); }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 900px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}
@media (min-width: 600px) and (max-width: 1023px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--r-sm);
  transition: all var(--t-fast) var(--ease);
  min-height: 48px;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn--primary { background: var(--bulls-darkred); color: #fff; }
.btn--primary:hover { background: var(--bulls-red); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--bulls-darkred); color: var(--bulls-darkred); }
.btn--ai { background: var(--bulls-purple); color: #fff; }
.btn--ai:hover { background: #5a2680; color: #fff; }
.btn--lg { padding: 18px 32px; font-size: 17px; min-height: 56px; }
.btn--block { display: flex; width: 100%; }

.btn .arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: 32px;
  transition: all var(--t-base) var(--ease);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--bulls-darkred); }
.card--ai:hover { border-color: var(--bulls-purple); }
.card__icon { width: 48px; height: 48px; color: var(--bulls-darkred); margin-bottom: 16px; }
.card__icon--ai { color: var(--bulls-purple); }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--color-text-muted); margin-bottom: 16px; }
.card__link { font-weight: 600; color: var(--bulls-darkred); display: inline-flex; align-items: center; gap: 6px; }
.card__link--ai { color: var(--bulls-purple); }

/* ---------- Tag / Chip ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  border-radius: var(--r-pill);
  background: rgba(192,0,0,.08);
  color: var(--bulls-darkred);
  border: 1px solid rgba(192,0,0,.15);
}
.chip--ai { background: rgba(70,30,100,.08); color: var(--bulls-purple); border-color: rgba(70,30,100,.15); }
.chip--success { background: rgba(31,139,76,.08); color: var(--color-success); border-color: rgba(31,139,76,.15); }
.chip--gray { background: rgba(106,107,107,.1); color: var(--bulls-gray); border-color: rgba(106,107,107,.15); }

/* ---------- Top bar + Header ---------- */
.topbar {
  background: var(--bulls-darkgray);
  color: #fff;
  font-size: var(--fs-caption);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--topbar-h); gap: 24px; }
.topbar__left, .topbar__right { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.topbar a { color: #fff; opacity: .85; text-transform: uppercase; }
.topbar a:hover { color: var(--bulls-red); opacity: 1; }
.topbar .lang { display: inline-flex; gap: 8px; }
.topbar .lang a.is-active { color: var(--bulls-red); }

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 32px; }
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo img { height: 44px; width: auto; }
.logo__pretitle { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--bulls-gray); display: block; }
.logo__title { font-weight: 700; font-size: 14px; color: var(--bulls-darkgray); }

.nav { display: flex; gap: 28px; align-items: center; flex: 1; justify-content: center; }
.nav a { font-size: 15px; font-weight: 500; color: var(--color-text); position: relative; padding: 8px 0; }
.nav a:hover { color: var(--bulls-darkred); }
.nav a.is-active { color: var(--bulls-darkred); }
.nav a.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--bulls-darkred); }

.header__cta { display: flex; gap: 12px; align-items: center; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; }
.menu-toggle svg { width: 24px; height: 24px; }

@media (max-width: 1023px) {
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; padding: 24px var(--gutter); background: #fff; border-bottom: 1px solid var(--color-border); gap: 12px; align-items: flex-start; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--color-border); }
  .menu-toggle { display: inline-flex; }
  .header__cta .btn:not(.btn--primary) { display: none; }
  .topbar__left .topbar__phone { display: none; }
}

/* ---------- Footer ---------- */
.footer { background: var(--bulls-darkgray); color: #cfcfcf; padding: 64px 0 24px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px; margin-bottom: 48px; }
@media (max-width: 1023px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px)  { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; font-family: var(--font-mono); font-weight: 600; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: #cfcfcf; font-size: 14px; }
.footer ul a:hover { color: var(--bulls-red); }
.footer__brand p { font-size: 14px; color: #b8b8b8; max-width: 36ch; }
.footer__bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid #4a4b4b; font-family: var(--font-mono); font-size: 12px; color: #aaa; flex-wrap: wrap; }

/* ---------- Form ---------- */
.field { display: block; margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--r-sm);
  transition: border-color var(--t-fast) var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--bulls-darkred); box-shadow: 0 0 0 3px rgba(192,0,0,.15); }
.field--check { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--color-text-muted); }
.field--check input { width: 16px; height: 16px; margin-top: 3px; }

.form-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--r-md); padding: 32px; box-shadow: var(--shadow-sm); }
.section--dark .form-card { background: #fff; color: var(--color-text); }

.success-msg {
  display: none;
  padding: 14px 18px;
  background: rgba(31,139,76,.1);
  border: 1px solid rgba(31,139,76,.3);
  color: var(--color-success);
  border-radius: var(--r-sm);
  font-weight: 500;
}
.success-msg.is-shown { display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(64px, 9vw, 120px) 0 clamp(64px, 8vw, 112px);
  background: linear-gradient(135deg, #fff 0%, #f7f7f7 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(192,0,0,.08), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(70,30,100,.05), transparent 40%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 980px; }
.hero h1 { font-size: var(--fs-display); margin-bottom: 8px; }
.hero__sub { font-size: var(--fs-body-l); color: var(--color-text-muted); margin: 0 0 32px; max-width: 56ch; }
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.hero__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 56px; max-width: 760px; }
@media (max-width: 700px) { .hero__metrics { grid-template-columns: 1fr; gap: 24px; } }
.hero__metric .label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--bulls-gray); text-transform: uppercase; margin-bottom: 6px; }
.hero__metric .value { font-family: var(--font-mono); font-weight: 600; font-size: 32px; color: var(--bulls-darkred); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--bulls-gray); margin-bottom: 24px; text-transform: uppercase; }
.breadcrumbs a { color: var(--bulls-gray); }
.breadcrumbs a:hover { color: var(--bulls-darkred); }
.breadcrumbs span { margin: 0 8px; opacity: .5; }

/* ---------- Page hero (smaller than home) ---------- */
.page-hero { padding: 56px 0 40px; background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); }
.page-hero h1 { margin-bottom: 12px; }
.page-hero .lead { max-width: 64ch; }
.page-hero--ai { background: linear-gradient(135deg, #2a1640, #461E64); color: #fff; }
.page-hero--ai h1 { color: #fff; }
.page-hero--ai .lead { color: #d6cce6; }
.page-hero--ai .breadcrumbs { color: #b8a9d0; }
.page-hero--ai .breadcrumbs a { color: #b8a9d0; }
.page-hero--ai .eyebrow { color: #c9a8ff; }

/* ---------- Logobar ---------- */
.logobar { display: flex; flex-wrap: wrap; gap: 16px 56px; align-items: center; justify-content: center; padding: 8px 0; }
.logobar__item {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  color: var(--bulls-gray);
  letter-spacing: .04em;
  white-space: nowrap;
  filter: grayscale(1);
  opacity: .75;
  transition: all var(--t-fast) var(--ease);
}
.logobar__item:hover { opacity: 1; color: var(--bulls-darkgray); }

/* ---------- Stat blocks ---------- */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .stat-row { grid-template-columns: repeat(2, 1fr); } }
.stat { text-align: left; }
.stat .num { font-family: var(--font-mono); font-weight: 600; font-size: clamp(36px, 4vw, 56px); color: var(--bulls-darkred); display: block; line-height: 1; margin-bottom: 8px; }
.stat--ai .num { color: var(--bulls-purple); }
.stat .lbl { color: var(--color-text-muted); font-size: 14px; }

/* ---------- FAQ accordion ---------- */
.faq details { border-top: 1px solid var(--color-border); padding: 20px 0; }
.faq details:last-child { border-bottom: 1px solid var(--color-border); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; font-weight: 600; font-size: var(--fs-body-l); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); font-weight: 400; font-size: 24px; color: var(--bulls-darkred); transition: transform var(--t-fast) var(--ease); }
.faq details[open] summary::after { content: "−"; }
.faq details[open] { padding-bottom: 24px; }
.faq details > p { margin-top: 12px; color: var(--color-text-muted); }

/* ---------- Bento grid ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; grid-auto-rows: minmax(180px, auto); }
.bento__cell { background: #fff; border: 1px solid var(--color-border); border-radius: var(--r-lg); padding: 28px; }
.bento__cell--dark { background: var(--bulls-darkgray); color: #fff; border-color: transparent; }
.bento__cell--ai { background: var(--bulls-purple); color: #fff; border-color: transparent; }
.bento__cell--w2 { grid-column: span 2; }
.bento__cell--w3 { grid-column: span 3; }
.bento__cell--w4 { grid-column: span 4; }
.bento__cell--w6 { grid-column: span 6; }
.bento__cell--h2 { grid-row: span 2; }
@media (max-width: 1023px) { .bento { grid-template-columns: repeat(2, 1fr); } .bento__cell--w2,.bento__cell--w3,.bento__cell--w4,.bento__cell--w6 { grid-column: span 2; } }
@media (max-width: 600px) { .bento { grid-template-columns: 1fr; } .bento__cell--w2,.bento__cell--w3,.bento__cell--w4,.bento__cell--w6 { grid-column: span 1; } }

/* ---------- Process timeline ---------- */
.steps { counter-reset: step; display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { position: relative; padding: 32px 24px 24px; border: 1px solid var(--color-border); border-radius: var(--r-md); background: #fff; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; top: 12px; right: 16px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 40px;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--bulls-darkred);
  paint-order: stroke fill;
}
.steps--ai .step::before { -webkit-text-stroke-color: var(--bulls-purple); }
.step h4 { margin-top: 12px; }

/* ---------- Tables ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; }
.tbl th, .tbl td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
.tbl th { font-family: var(--font-mono); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; background: var(--color-bg-alt); }
.tbl tr:hover td { background: rgba(192,0,0,.03); }
.tbl--compare th:first-child, .tbl--compare td:first-child { font-weight: 600; }

/* ---------- Helpers ---------- */
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }
.muted { color: var(--color-text-muted); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; } .mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; } .mb-48 { margin-bottom: 48px; }

/* ---------- Skip link ---------- */
.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--bulls-darkred); color: #fff; padding: 8px 16px; border-radius: var(--r-sm); z-index: 100; }
.skip-link:focus { left: 8px; color: #fff; }

/* ---------- Anim entrance ---------- */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); }
.fade-up.in { opacity: 1; transform: none; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  max-width: 680px;
  margin-left: auto; margin-right: auto;
  z-index: 60;
  background: var(--bulls-darkgray);
  color: #f2f2f2;
  border-radius: var(--r-md);
  box-shadow: 0 16px 48px rgba(0,0,0,.3);
  border: 1px solid #4a4b4b;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
  pointer-events: none;
}
.cookie-banner.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.cookie-banner__inner { display: flex; gap: 16px; padding: 16px 20px; align-items: center; flex-wrap: wrap; }
.cookie-banner__text { flex: 1 1 280px; min-width: 240px; }
.cookie-banner__text strong { display: block; color: #fff; font-size: 14px; margin-bottom: 4px; }
.cookie-banner__text p { font-size: 13px; color: #cfcfcf; margin: 0; line-height: 1.5; }
.cookie-banner__text a { color: #FF7A7A; text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.cookie-banner__actions .btn { min-height: 40px; padding: 10px 16px; font-size: 13px; }
.cookie-banner__actions .btn--ghost { color: #fff; border-color: rgba(255,255,255,.3); }
.cookie-banner__actions .btn--ghost:hover { color: #fff; border-color: var(--bulls-red); background: rgba(255,255,255,.04); }
@media (max-width: 600px) {
  .cookie-banner__actions { width: 100%; }
  .cookie-banner__actions .btn { flex: 1; }
}