/* ==========================================================================
   SellScope Финансы - Студийная дизайн-система и стили интерфейса
   Шрифтовая пара: Playfair Display / Manrope (локальные woff2)
   ========================================================================== */

@import url('../fonts/fonts.css');

:root {
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Палитра */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #f1f5f9;
  --bg-dark: #090d16;
  --bg-dark-card: #111726;
  --bg-dark-elevated: #1a2236;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;

  --accent-primary: #0284c7;
  --accent-primary-hover: #0369a1;
  --accent-primary-soft: rgba(2, 132, 199, 0.08);

  --accent-emerald: #059669;
  --accent-emerald-soft: rgba(5, 150, 105, 0.1);
  --accent-rose: #e11d48;
  --accent-rose-soft: rgba(225, 29, 72, 0.1);
  --accent-amber: #d97706;
  --accent-amber-soft: rgba(217, 119, 6, 0.1);

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.14);
  --border-dark: rgba(255, 255, 255, 0.09);
  --border-dark-highlight: rgba(255, 255, 255, 0.18);

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 35px -5px rgba(2, 132, 199, 0.22);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1240px;
}

/* Сброс стилей и базовые настройки */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-main);
  line-height: 1.55;
  overflow-x: hidden;
}

/* Типографика */
h1, h2, h3, .serif-heading {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   ГЛАВНЫЙ ЭФФЕКТ: ЧИСТЫЙ CSS-ПРЕЛОАДЕР И МИКРОВЗАИМОДЕЙСТВИЯ (UIVERSE)
   ========================================================================== */

#app-preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #090d16;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--transition-smooth), visibility 0.6s var(--transition-smooth), transform 0.6s var(--transition-smooth);
}

#app-preloader.loaded {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  pointer-events: none;
}

/* UIverse 3D Isometric Geometric Kinetic Loader */
.preloader-core {
  position: relative;
  width: 90px;
  height: 90px;
  perspective: 700px;
}

.preloader-cube {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  animation: preloaderRotate 3.2s infinite ease-in-out;
}

.cube-face {
  position: absolute;
  width: 90px;
  height: 90px;
  border: 1.5px solid rgba(2, 132, 199, 0.45);
  border-radius: 12px;
  background: radial-gradient(circle at center, rgba(2, 132, 199, 0.15) 0%, rgba(9, 13, 22, 0.7) 100%);
  backdrop-filter: blur(6px);
  box-shadow: 0 0 25px rgba(2, 132, 199, 0.2);
}

.face-1 { transform: rotateY(0deg) translateZ(45px); }
.face-2 { transform: rotateY(90deg) translateZ(45px); }
.face-3 { transform: rotateY(180deg) translateZ(45px); }
.face-4 { transform: rotateY(-90deg) translateZ(45px); }
.face-5 { transform: rotateX(90deg) translateZ(45px); }
.face-6 { transform: rotateX(-90deg) translateZ(45px); }

.preloader-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 140px;
  height: 140px;
  margin-top: -70px;
  margin-left: -70px;
  border: 1px dashed rgba(2, 132, 199, 0.3);
  border-radius: 50%;
  animation: preloaderOrbit 7s infinite linear;
  pointer-events: none;
}

.preloader-orbit::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  margin-left: -4px;
  width: 8px;
  height: 8px;
  background: #38bdf8;
  border-radius: 50%;
  box-shadow: 0 0 10px #38bdf8;
}

.preloader-text-wrap {
  margin-top: 48px;
  text-align: center;
}

.preloader-brand {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #f8fafc;
  margin-bottom: 6px;
}

.preloader-status {
  font-size: 12px;
  color: var(--text-light-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.preloader-bar-track {
  width: 140px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin: 10px auto 0;
}

.preloader-bar-fill {
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, #0284c7, #38bdf8);
  border-radius: 2px;
  animation: preloaderFill 1.4s infinite ease-in-out;
}

@keyframes preloaderRotate {
  0% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
  33% { transform: rotateX(120deg) rotateY(180deg) rotateZ(30deg); }
  66% { transform: rotateX(240deg) rotateY(90deg) rotateZ(180deg); }
  100% { transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

@keyframes preloaderOrbit {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes preloaderFill {
  0% { transform: translateX(-100%); width: 25%; }
  50% { width: 75%; }
  100% { transform: translateX(350%); width: 25%; }
}

/* UIverse Микровзаимодействия для кнопок и карточек */
.btn-uiverse {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-normal), background-color var(--transition-fast);
  cursor: pointer;
  user-select: none;
  overflow: hidden;
}

.btn-uiverse::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0) 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-uiverse:hover::before {
  opacity: 1;
}

.btn-uiverse:hover {
  transform: translateY(-2px);
}

.btn-uiverse:active {
  transform: translateY(1px) scale(0.98);
}

.btn-primary {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background: #1e293b;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.35);
  color: #ffffff;
}

.btn-accent {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-accent:hover {
  box-shadow: 0 8px 26px rgba(2, 132, 199, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.25);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13.5px;
  border-radius: var(--radius-sm);
}

/* Карточки с физикой наведения */
.interactive-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  overflow: hidden;
}

.interactive-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

/* ==========================================================================
   ШАПКА (HEADER) - Строго 1 строка на всех экранах, крупный векторный логотип
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
  height: 80px;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  height: 72px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
  flex-wrap: nowrap; /* Гарантия одной строки */
}

/* Логотип: крупный, инлайновый SVG, currentColor */
.brand-link {
  display: flex;
  align-items: center;
  color: #0f172a;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition-fast), transform var(--transition-bounce);
}

.brand-link:hover {
  opacity: 0.9;
  transform: scale(1.01);
}

.header-logo {
  height: 46px; /* Крупный размер >= 44px на десктопе */
  width: auto;
  display: block;
}

/* Навигация */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  white-space: nowrap;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: none;
  padding: 8px;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.04);
}

/* Мобильное меню оверлей */
.mobile-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-medium);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-xl);
  z-index: 999;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer .nav-link {
  font-size: 17px;
  padding: 8px 0;
}

/* ==========================================================================
   HERO СЕКЦИЯ - Светлая растровая сцена склада/селлера + живой дашборд модуля
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: 56px 0 72px;
  overflow: hidden;
  background-color: #f8fafc;
}

/* Фоновая растровая сцена с мягким светом и затемнением не более 24% */
.hero-background-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  filter: saturate(1.05) brightness(1.02);
}

/* Локальная плашка и светлый градиент для кристальной читаемости без общего затемнения кадра */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(248, 250, 252, 0.82) 0%,
    rgba(248, 250, 252, 0.72) 34%,
    rgba(248, 250, 252, 0.18) 52%,
    rgba(248, 250, 252, 0.04) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-text-col {
  max-width: 620px;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin-bottom: 22px;
  color: #090d16;
}

.hero-description {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.6;
  color: #334155;
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-trust-list {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.hero-trust-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* Интерактивный рабочий дашборд модуля «Финансы» (HTML/CSS вёрстка, без макбук-хрома) */
.hero-dashboard-wrap {
  position: relative;
  z-index: 3;
}

.dashboard-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  padding: 24px;
  position: relative;
}

.dashboard-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 18px;
}

.dashboard-sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: #334155;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  animation: pulseSync 2s infinite ease-in-out;
}

@keyframes pulseSync {
  0% { transform: scale(0.95); box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3); }
  50% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3); }
}

.marketplace-toggle-pills {
  display: flex;
  background: var(--bg-surface-subtle);
  padding: 3px;
  border-radius: var(--radius-sm);
  gap: 2px;
}

.pill-toggle-btn {
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.pill-toggle-btn.active {
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Сетка ключевых цифр дашборда */
.dashboard-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.kpi-metric-box {
  padding: 14px;
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.kpi-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kpi-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.kpi-value.positive {
  color: var(--accent-emerald);
}

.kpi-subtext {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Живая таблица юнит-экономики по SKU */
.dashboard-sku-preview {
  margin-top: 14px;
}

.sku-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.sku-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  margin-bottom: 6px;
  font-size: 12.5px;
  transition: background-color var(--transition-fast);
}

.sku-item-row:hover {
  background: #f8fafc;
}

.sku-info {
  display: flex;
  flex-direction: column;
}

.sku-name {
  font-weight: 600;
  color: var(--text-primary);
}

.sku-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.sku-metrics {
  text-align: right;
}

.sku-profit {
  font-weight: 700;
}

.sku-profit.green { color: var(--accent-emerald); }
.sku-profit.red { color: var(--accent-rose); }

.sku-margin-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  margin-top: 2px;
}

.sku-margin-badge.positive {
  background: var(--accent-emerald-soft);
  color: var(--accent-emerald);
}

.sku-margin-badge.negative {
  background: var(--accent-rose-soft);
  color: var(--accent-rose);
}

/* Налоговый виджет в дашборде */
.dashboard-tax-banner {
  margin-top: 14px;
  padding: 12px 14px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tax-banner-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tax-banner-title {
  font-size: 12px;
  font-weight: 700;
  color: #1e40af;
}

.tax-banner-desc {
  font-size: 11.5px;
  color: #3b82f6;
}

/* ==========================================================================
   СЕКЦИЯ 2: БОЛЬ СЕЛЛЕРА (Учёт в Excel, слепая зона, кассовый разрыв)
   ========================================================================== */

.section-padding {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.pain-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.pain-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-medium);
}

.pain-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: #fee2e2;
  color: #dc2626;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pain-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.pain-card-text {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.pain-card-footer {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  font-weight: 600;
  color: #991b1b;
}

/* ==========================================================================
   ФИРМЕННЫЙ ПРИЁМ: ГОРИЗОНТАЛЬНАЯ СЕКЦИЯ
   «Анатомия каждого рубля селлера: сквозная юнит-экономика SKU»
   ========================================================================== */

.horizontal-flow-section {
  background: var(--bg-dark);
  color: #ffffff;
  padding: 88px 0 96px;
  overflow: hidden;
  position: relative;
}

.horizontal-flow-section .section-eyebrow {
  color: #38bdf8;
}

.horizontal-flow-section .section-title {
  color: #ffffff;
}

.horizontal-flow-section .section-subtitle {
  color: #94a3b8;
}

.flow-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.flow-step-counter {
  font-size: 14px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.05em;
}

.flow-step-counter span {
  color: #38bdf8;
  font-size: 17px;
}

.flow-nav-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flow-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-dark-elevated);
  border: 1px solid var(--border-dark);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.flow-btn:hover:not(:disabled) {
  background: #0284c7;
  border-color: #0284c7;
  transform: scale(1.05);
}

.flow-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Горизонтальный трек */
.horizontal-track-wrapper {
  position: relative;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 12px 0 32px;
  cursor: grab;
  scroll-behavior: smooth;
}

.horizontal-track-wrapper::-webkit-scrollbar {
  display: none;
}

.horizontal-track-wrapper:active {
  cursor: grabbing;
}

.horizontal-track {
  display: flex;
  gap: 24px;
  width: max-content;
  padding-left: 24px;
  padding-right: 24px;
}

/* Карточка горизонтального трека */
.flow-card {
  width: 350px;
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  user-select: none;
}

.flow-card:hover {
  border-color: var(--border-dark-highlight);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.flow-card-num {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.12);
}

.flow-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 700;
  width: fit-content;
  margin-bottom: 18px;
}

.badge-inflow {
  background: rgba(5, 150, 105, 0.15);
  color: #34d399;
  border: 1px solid rgba(5, 150, 105, 0.3);
}

.badge-deduction {
  background: rgba(225, 29, 72, 0.15);
  color: #fb7185;
  border: 1px solid rgba(225, 29, 72, 0.3);
}

.badge-tax {
  background: rgba(217, 119, 6, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.badge-profit {
  background: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.4);
}

.flow-card-title {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.flow-amount-tag {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-serif);
  margin-bottom: 16px;
}

.amount-green { color: #34d399; }
.amount-red { color: #fb7185; }
.amount-gold { color: #fbbf24; }
.amount-blue { color: #38bdf8; }

.flow-card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 20px;
}

.flow-breakdown-table {
  width: 100%;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
  font-size: 12.5px;
}

.flow-breakdown-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: #cbd5e1;
}

.flow-breakdown-row span:last-child {
  font-weight: 700;
}

.flow-progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 24px;
}

.flow-progress-bar-fill {
  height: 100%;
  width: 14.28%;
  background: linear-gradient(90deg, #0284c7, #38bdf8);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ==========================================================================
   СЕКЦИЯ 4: ВОЗМОЖНОСТИ МОДУЛЯ «ФИНАНСЫ»
   (Автоимпорт WB/Ozon, УСН 6/15%, КУДиР, Юнит-экономика, НДС 60 млн ₽)
   ========================================================================== */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 28px;
}

.capability-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.capability-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.capability-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.capability-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.capability-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.capability-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Интерактивные вёрстки фич внутри карточек */
.feature-live-snippet {
  margin-top: auto;
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 12.5px;
}

/* Виджет НДС 60 млн ₽ */
.nds-meter-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nds-meter-head {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  color: var(--text-primary);
}

.nds-progress-track {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
  overflow: hidden;
}

.nds-progress-bar {
  height: 100%;
  width: 57%; /* 34.2 млн из 60 млн */
  background: linear-gradient(90deg, #10b981, #f59e0b);
  border-radius: 4px;
}

.nds-meter-footer {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   СЕКЦИЯ 5: КАК ЭТО РАБОТАЕТ (3 шага без суеты)
   ========================================================================== */

.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.how-step-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.step-number-watermark {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 700;
  color: rgba(2, 132, 199, 0.12);
  line-height: 1;
  margin-bottom: 16px;
}

.step-card-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-card-text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ==========================================================================
   СЕКЦИЯ 6: ИНТЕРАКТИВНЫЙ КАЛЬКУЛЯТОР СЕЛЛЕРА (УСН 6% vs 15%)
   ========================================================================== */

.calculator-card {
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.calc-inputs-col {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-field-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-field-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-label {
  font-weight: 700;
  font-size: 14.5px;
  color: var(--text-primary);
}

.calc-current-value {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  color: var(--accent-primary);
}

.calc-slider {
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent-primary);
}

.calc-radio-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.calc-radio-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all var(--transition-fast);
}

.calc-radio-card.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary-soft);
}

.radio-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.radio-desc {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* Правая колонка с результатами калькулятора */
.calc-results-col {
  background: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.result-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
}

.result-main-tax {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tax-sum {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 700;
  color: #38bdf8;
  line-height: 1;
}

.tax-note {
  font-size: 12.5px;
  color: #94a3b8;
}

.result-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.result-metrics-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
}

.result-metric-row {
  display: flex;
  justify-content: space-between;
  color: #cbd5e1;
}

.result-metric-row span:last-child {
  font-weight: 700;
  color: #ffffff;
}

/* ==========================================================================
   СЕКЦИЯ 7: ЦЕНА (ТОЛЬКО 1 500 ₽/мес, без фальшивой сетки тарифов)
   ========================================================================== */

.pricing-section {
  background: #ffffff;
}

.pricing-single-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.single-price-card {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 2px solid #0f172a;
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.pricing-card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f172a;
  color: #ffffff;
  padding: 6px 20px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-header-area {
  text-align: center;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 32px;
}

.pricing-module-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-module-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 20px;
}

.price-display-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1;
}

.price-currency {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
}

.price-trial-note {
  margin-top: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-emerald);
}

.pricing-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 24px;
  margin-bottom: 36px;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: #334155;
}

.pricing-feature-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-cta-wrap {
  text-align: center;
}

.pricing-guarantee-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================================================
   СЕКЦИЯ 8: FAQ (АККОРДЕОН)
   ========================================================================== */

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  padding: 22px 24px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-chevron {
  color: var(--text-muted);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   ФИНАЛЬНЫЙ ПРИЗЫВ И ПОДВАЛ
   ========================================================================== */

.final-cta-section {
  padding: 80px 0;
  background: #090d16;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.final-cta-card {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.final-cta-title {
  color: #ffffff;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 18px;
}

.final-cta-text {
  color: #94a3b8;
  font-size: 17px;
  margin-bottom: 32px;
}

.site-footer {
  background: #060910;
  color: #64748b;
  padding: 48px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
}

.footer-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 24px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-nav a:hover {
  color: #f8fafc;
}

.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   КНОПКА ВОЗВРАТА НАВЕРХ С КОЛЬЦОМ ПРОГРЕССА ЧТЕНИЯ
   ========================================================================== */

#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #ffffff;
  color: #0f172a;
  border: 1px solid var(--border-medium);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-bounce), background-color var(--transition-fast);
  cursor: pointer;
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#back-to-top:hover {
  background: #f8fafc;
  transform: translateY(-3px) scale(1.05);
}

.progress-ring {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
}

.progress-ring-circle {
  fill: transparent;
  stroke: var(--accent-primary);
  stroke-width: 2.5;
  stroke-dasharray: 157; /* 2 * PI * 25 */
  stroke-dashoffset: 157;
  transition: stroke-dashoffset 0.1s linear;
}

/* ==========================================================================
   АДАПТИВНОСТЬ (1920, 1440, 1280, 768, 360)
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text-col {
    max-width: 100%;
  }

  .calculator-card {
    grid-template-columns: 1fr;
    padding: 32px;
  }

  .how-it-works-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .pricing-features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 64px;
  }

  .header-logo {
    height: 34px; /* Не мельче 32px на телефоне */
  }

  .hero-section {
    padding: 32px 0 56px;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn-uiverse {
    width: 100%;
  }

  .dashboard-card {
    padding: 16px;
  }

  .dashboard-kpi-grid {
    grid-template-columns: 1fr;
  }

  .calc-radio-group {
    grid-template-columns: 1fr;
  }

  .single-price-card {
    padding: 32px 20px;
  }

  .price-amount {
    font-size: 44px;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-row, .footer-bottom-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: 12px 20px;
  }

  .header-actions .btn-sm {
    display: none; /* На 360px не влезает рядом с бургером; вход в кабинет остаётся в CTA секции цены */
  }

  #back-to-top {
    bottom: 20px;
    right: 20px;
    width: 46px;
    height: 46px;
  }
}

/* ==========================================================================
   УВАЖЕНИЕ К PREFERS-REDUCED-MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  #app-preloader {
    display: none !important;
  }

  .horizontal-track-wrapper {
    scroll-behavior: auto !important;
  }
}