/**
 * BizHub — дизайн-система Cartographic Quiet (J).
 *
 * Назначение: строгий минималистичный B2B-маркетинг и auth.
 * Хранение токенов: этот файл (единый источник для лендинга и login; кабинет импортирует его).
 * Палитра: paper beige + forest ink + muted gold.
 * Фон: /brand/map-texture.png — городская карта справа, топографика слева (как в концепте J).
 * Анти-паттерны: без purple-glow, terracotta-акцентов, pill-clusters, emoji.
 */
/* Шрифты — через <link> в HTML (не @import): параллельная загрузка, без блокировки CSSOM.
 * См. scripts/build-marketing-pages.py и web/static/app/index.html. */

:root {
  /* Surfaces — бумажный тон из концепта J (не холодный sage) */
  --bg: #f0efe8;
  --bg-deep: #e5e4db;
  --surface: #f6f5ef;
  --surface-elev: #ffffff;

  /* Ink / brand */
  --ink: #1d3027;
  --ink-soft: #2a4036;
  --muted: #5c6b63;
  --line: rgba(29, 48, 39, 0.12);
  --line-strong: rgba(29, 48, 39, 0.22);

  /* Accent — muted gold / ochre */
  --gold: #c1a35f;
  --gold-deep: #a88b45;
  --gold-soft: rgba(193, 163, 95, 0.18);

  /* Status */
  --ok: #2f6b4f;
  --danger: #a33b3b;
  --warn: #9a6412;

  /* Shape */
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 18px 40px rgba(29, 48, 39, 0.1);
  --shadow-soft: 0 8px 24px rgba(29, 48, 39, 0.06);

  /* Type: serif brand · geometric display · quiet sans body */
  --font: "Figtree", sans-serif;
  --display: "Outfit", "Figtree", sans-serif;
  --brand: "Fraunces", "Outfit", serif;

  /* Motion (лёгкий, под будущие спецэффекты фабрики) */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.35s;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

/* Skip link — Tab → к основному контенту (marketing + кабинет) */
.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  background: var(--ink);
  color: var(--gold);
  font: 600 0.88rem/1 var(--font);
  border-radius: var(--radius-sm);
  transform: translateY(-140%);
  transition: transform var(--dur) var(--ease-out);
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
#mainContent:focus,
#main-content:focus { outline: none; }

.wrap { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }

/* ——— Nav ——— */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 0;
  position: relative;
  z-index: 3;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--brand);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--surface-elev);
  border: 1px solid var(--line);
}

.nav-links {
  display: flex;
  gap: 1.35rem;
  align-items: center;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a:hover { color: var(--ink); }
.nav-links a[href^="#"] { opacity: 0.85; }
.nav-links a[href^="#"]:hover { opacity: 1; }

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 0;
  border-radius: var(--radius);
  padding: 0.85rem 1.35rem;
  font: 600 0.95rem/1 var(--font);
  cursor: pointer;
  transition: background var(--dur) var(--ease-out),
    color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}

.btn-primary {
  background: var(--ink);
  color: var(--gold);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover {
  background: var(--ink-soft);
  transform: translateY(-1px);
}
.btn-primary .btn-arrow {
  color: var(--gold);
  transition: transform var(--dur) var(--ease-out);
}
.btn-primary:hover .btn-arrow { transform: translateX(3px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(29, 48, 39, 0.03);
}

.btn-gold {
  background: var(--gold);
  color: var(--ink);
}
.btn-gold:hover { background: var(--gold-deep); color: #fff; }
.btn-gold .btn-arrow { transition: transform var(--dur) var(--ease-out); }
.btn-gold:hover .btn-arrow { transform: translateX(3px); }

.btn-dark {
  background: var(--ink);
  color: #f3f6f3;
}
.btn-dark:hover { background: var(--ink-soft); }

.btn-block { width: 100%; }
.btn-sm {
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* ——— Landing shell ———
 * Фон как в концепте J: paper beige + карта (город/река справа, topo слева).
 * Карта — полноценный слой cover; лёгкий drift; слева чуть приглушаем под текст.
 */
.site-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background-color: var(--bg);
}

.site-shell::before {
  content: "";
  position: absolute;
  inset: -2% -1%;
  z-index: 0;
  background-image: url("/brand/map-texture.png");
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  opacity: 0.92;
  pointer-events: none;
  /* Слева чище под hero-текст; справа карта читается как в макете */
  -webkit-mask-image: linear-gradient(
    95deg,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(0, 0, 0, 0.45) 32%,
    rgba(0, 0, 0, 0.85) 58%,
    #000 78%
  );
  mask-image: linear-gradient(
    95deg,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(0, 0, 0, 0.45) 32%,
    rgba(0, 0, 0, 0.85) 58%,
    #000 78%
  );
  animation: map-drift 56s linear infinite alternate;
}

@keyframes map-drift {
  from { background-position: 72% 42%; transform: scale(1.02); }
  to { background-position: 88% 48%; transform: scale(1.05); }
}

.site-shell > * { position: relative; z-index: 1; }

/* ——— Hero ——— */
.hero {
  min-height: calc(100vh - 5.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem 0 0;
}

.hero-inner { max-width: 640px; }

.hero-brand {
  font-family: var(--brand);
  font-size: clamp(2.8rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
  margin: 0 0 0.85rem;
}

.hero-rule {
  width: 3.25rem;
  height: 3px;
  background: var(--gold);
  border: 0;
  margin: 0 0 1.5rem;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin: 0 0 1rem;
  max-width: 22ch;
  color: var(--ink);
}

.hero .lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 44ch;
  margin: 0 0 1.85rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.platforms {
  margin-top: 2.75rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.chip {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  background: rgba(255, 255, 255, 0.45);
}

/* ——— Benefits bar (quiet, not cards) ——— */
.benefits {
  margin-top: 4rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.benefit {
  padding: 0.5rem 1.25rem;
  border-right: 1px solid var(--line);
}
.benefit:first-child { padding-left: 0; }
.benefit:last-child { border-right: 0; padding-right: 0; }

.benefit-mark {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--gold);
  margin-bottom: 0.75rem;
}

.benefit h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
}

.benefit p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 28ch;
}

/* ——— Sections ——— */
.section {
  padding: 4.75rem 0;
  background: var(--surface);
  color: var(--ink);
  border-top: 1px solid var(--line);
}

.section.forest {
  background: var(--ink);
  color: #e8ede8;
  border-top: 0;
}

.section h2 {
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section .lead {
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 2.25rem;
}

.section.forest .lead { color: rgba(232, 237, 232, 0.72); }

.feature-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature {
  padding: 0;
  background: transparent;
  border: 0;
  border-top: 2px solid var(--gold);
  border-radius: 0;
  padding-top: 1.15rem;
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--ink);
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.platform-tile {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1rem;
  background: var(--surface-elev);
}

.platform-tile strong {
  display: block;
  font-family: var(--display);
  margin-bottom: 0.35rem;
}

.platform-tile span {
  color: var(--muted);
  font-size: 0.88rem;
}

.footer {
  padding: 1.75rem 0 2.25rem;
  color: var(--muted);
  font-size: 0.88rem;
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
}

.footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer a:hover { color: var(--ink); }

/* ——— Legal (privacy / terms) ——— */
.legal {
  padding: 2.5rem 0 3.5rem;
  max-width: 42rem;
}
.legal-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
}
.legal-kicker a { color: var(--muted); }
.legal-kicker a:hover { color: var(--ink); }
.legal h1 {
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.legal-meta {
  color: var(--muted);
  margin: 0 0 2rem;
  font-size: 0.92rem;
}
.legal h2 {
  font-family: var(--head);
  font-size: 1.15rem;
  margin: 1.75rem 0 0.65rem;
  color: var(--ink);
}
.legal p, .legal li {
  color: var(--ink-soft);
  line-height: 1.65;
  font-size: 0.98rem;
}
.legal ul {
  margin: 0.35rem 0 0;
  padding-left: 1.25rem;
}
.legal li { margin: 0.3rem 0; }
.legal a { color: var(--forest); text-decoration: underline; text-underline-offset: 2px; }

.auth-consent {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin: 0.85rem 0 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}
.auth-consent input {
  width: auto;
  margin-top: 0.2rem;
  flex-shrink: 0;
}
.auth-consent a { color: var(--forest); }

/* ——— Auth ———
 * Колонка: marketing-шапка сверху, карточка формы по центру оставшейся высоты.
 */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 0 1.5rem 1.5rem;
  background: var(--bg);
  overflow: hidden;
}

.auth-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/brand/map-texture.png");
  background-size: cover;
  background-position: center right;
  opacity: 0.55;
  pointer-events: none;
}

.auth-page #main-content {
  margin: auto 0;
  width: 100%;
  display: flex;
  justify-content: center;
  z-index: 1;
}

.auth-card {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  margin: 0;
  background: var(--surface-elev);
  color: var(--ink);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.auth-card .brand { margin-bottom: 1.25rem; }
.auth-card .auth-illu {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 0 0.85rem;
  opacity: 0.9;
}
.auth-card h1 {
  font-family: var(--display);
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
}
.auth-card .sub {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--ink-soft);
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.85rem;
  font: 500 0.95rem/1.3 var(--font);
  margin-bottom: 0.9rem;
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.err {
  color: var(--danger);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
  min-height: 1.2em;
}

.auth-switch {
  margin: 1.1rem 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}
.auth-switch a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.auth-switch a:hover { color: var(--gold-deep); }

.btn-block { width: 100%; }

.auth-card.auth-card-wide {
  width: min(520px, 100%);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 0.75rem;
}
@media (max-width: 520px) {
  .field-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .benefits { grid-template-columns: 1fr 1fr; gap: 1.25rem 0; }
  .benefit { border-right: 0; padding: 0.75rem 1rem 0.75rem 0; border-bottom: 1px solid var(--line); }
  .benefit:nth-child(odd) { padding-right: 1rem; }
  .benefit:nth-child(even) { padding-left: 1rem; }
  .benefit:nth-last-child(-n+2) { border-bottom: 0; }
  .feature-row { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr 1fr; }
  .nav-links .hide-sm { display: none; }
}

@media (max-width: 560px) {
  .benefits { grid-template-columns: 1fr; }
  .benefit, .benefit:nth-child(odd), .benefit:nth-child(even) {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }
  .benefit:last-child { border-bottom: 0; }
  .platform-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .site-shell::before { animation: none; }
  html { scroll-behavior: auto; }
  .btn-primary:hover,
  .btn-gold:hover { transform: none; }
  .btn-primary:hover .btn-arrow,
  .btn-gold:hover .btn-arrow { transform: none; }
}