/* === common.css - Общие стили для всего сайта в темном стиле === */

:root {
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-text: #e0e7ff;
  --color-text-muted: #94a3b8;
  --color-accent: #7c3aed;
  --color-accent-light: #a78bfa;
  --color-accent-bright: #6ee7ff;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-border: #334155;
  --radius: 10px;
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --transition: 0.3s ease;
  --max-container-width: 1200px;
  --z-header: 1000;
}

/* Сброс и базовые */

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

body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent-bright);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition);
}
a:hover,
a:focus {
  color: var(--color-accent-light);
  outline: none;
}

h1, h2, h3, h4 {
  margin: 0 0 0.5em 0;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

p {
  margin: 0 0 1em 0;
  color: var(--color-text-muted);
  font-size: 1rem;
}

small {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Контейнер */

.container {
  width: 90vw;
  max-width: var(--max-container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 0;
  padding-right: 0;
}

/* Шапка */

.site-header {
  background-color: var(--color-bg-alt);
  padding: 0.8rem 1rem;
  box-shadow: 0 2px 8px rgb(15 23 42 / 0.3);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  user-select: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent-bright);
}
.brand__mark svg {
  display: block;
  width: 34px;
  height: 34px;
}
.brand__text small {
  display: block;
  margin-top: -0.2em;
  font-weight: 400;
  font-style: normal;
  color: var(--color-text-muted);
}

/* Навигация */

.site-nav {
  display: flex;
  gap: 1.2rem;
  font-weight: 600;
}

.site-nav a {
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  transition: background-color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus {
  background-color: var(--color-accent);
  color: var(--color-bg);
  outline: none;
}

/* Кнопка меню для мобилки */

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3.5px;
  background: var(--color-accent-bright);
  border-radius: 3px;
}

/* Контент */

main {
  flex-grow: 1;
  padding-top: 2rem;
  padding-bottom: 5rem;
  background-color: var(--color-bg);
}

/* Hero секция */

.hero {
  padding-top: 3rem;
  padding-bottom: 4rem;
  background: linear-gradient(135deg, #1e293b 40%, #0f172a 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

.badge {
  display: inline-block;
  background-color: var(--color-accent-bright);
  color: var(--color-bg);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 18px;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.8rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.hero__lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.4;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: 
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition);
  text-align: center;
  min-width: 160px;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);

}
.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-bg);
  outline: none;
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
}
.btn--ghost:hover,
.btn--ghost:focus {
  background-color: var(--color-accent-bright);
  color: var(--color-bg);
  outline: none;
}

/* Статистика на главном блоке */

.hero__stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1 1 150px;
  background-color: var(--color-bg-alt);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: 0 0 15px rgb(124 58 237 / 0.15);
  color: var(--color-accent-bright);
  font-weight: 700;
  text-align: center;
  user-select: none;
  min-width: 150px;
}

.stat-card__value {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.25rem;
  color: var(--color-accent-light);
}

.stat-card__label {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Визуализация */

.hero__visual {
  display: flex;
  justify-content: center;
}

.glass-panel {
  background: rgba(255 255 255 / 0.04);
  backdrop-filter: blur(18px);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  padding: 1.5rem 2rem 2rem 2rem;
  box-shadow: 0 0 24px rgb(124 58 237 / 0.3);
  user-select: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.glass-panel--main {
  max-height: 420px;
}

.glass-panel__header {
  display: flex;
  gap: 10px;
  align-items: center;
}

.dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

.dot--green {
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}
.dot--blue {
  background-color: var(--color-accent-bright);
  box-shadow: 0 0 8px var(--color-accent-bright);
}
.dot--purple {
  background-color: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

.hero-chart {
  width: 100%;
  height: auto;
  user-select: none;
  margin-bottom: 0.8rem;
}

.glass-panel__chips {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.glass-panel__chips span {
  background-color: var(--color-bg-alt);
  padding: 0.26rem 0.6rem;
  border-radius: 8px;
  user-select: none;
  transition: background-color 0.3s ease;
}

.glass-panel__chips span:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

/* Основные секции */

.section {
  padding: 3.5rem 0;
}

.section--muted {
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.section__head {
  max-width: 740px;
  margin-bottom: 2rem;
}

.eyebrow {
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.section__note {
  font-size: 1rem;
  line-height: 1.5;
  max-width: 600px;
  color: var(--color-text-muted);
}

/* Сетка с карточками преимуществ */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(280px,1fr));
  gap: 1.6rem 2rem;
}

.info-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  box-shadow: 0 0 10px rgb(124 58 237 / 0.15);
  transition: box-shadow var(--transition);
  user-select: none;
}

.info-card:hover,
.info-card:focus-within {
  box-shadow: 0 0 20px var(--color-accent-light);
  outline: none;
}

.info-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
  color: var(--color-accent);
}

/* Сетка с разделами сайта */

.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 1rem 2rem;
}

.section-link {
  display: block;
  border-radius: var(--radius);
  background-color: var(--color-bg);
  padding: 1.2rem 1.4rem;
  color: var(--color-text);
  border: 2px solid transparent;
  transition: background-color var(--transition), border-color var(--transition);
  user-select: none;
}

.section-link:hover,
.section-link:focus {
  background-color: var(--color-bg-alt);
  border-color: var(--color-accent-light);
  outline: none;
  text-decoration: none;
}

.section-link__num {
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--color-accent-bright);
  display: block;
  margin-bottom: 0.3rem;
}

/* CTA секция на главной */

.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta__content {
  max-width: 660px;
}

.cta h2 {
  color: var(--color-accent-bright);
  margin-bottom: 0.5rem;
}

.cta p {
  font-size: 1.1rem;
  line-height: 1.4;
}

/* Нижний колонтитул */

.site-footer {
  background-color: var(--color-bg-alt);
  text-align: center;
  padding: 1.25rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  user-select: none;
}

.site-footer__inner {
  max-width: var(--max-container-width);
  margin: auto;
}

/* Адаптивность */

@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero__visual {
    justify-content: start;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    background-color: var(--color-bg-alt);
    position: fixed;
    top: 60px;
    right: 0;
    width: 220px;
    border-left: 2px solid var(--color-accent-light);
    box-shadow: -3px 0 24px rgb(124 58 237 / 0.15);
    height: calc(100vh - 60px);
    padding-top: 2rem;
    padding-left: 1.5rem;
    z-index: var(--z-header);
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }
}

@media (max-width: 440px) {
  .cta {
    flex-direction: column;
    text-align: center;
  }

  .cta__content {
    max-width: 100%;
  }
}