/* =========================================================================
   Bloom — сайт-визитка
   Стилистика портирована из дизайн-системы приложения:
   packages/core_ui/lib/src/theme/implementations/bloom_glass_*_theme.dart
   ("Soft Bloom Glass" / "Moonlit Glass").
   ========================================================================= */

:root {
  --color-primary: #e5739b;
  --color-primary-dark: #c65a82;
  --color-secondary: #8db7a6;
  --color-accent: #f2b5a0;
  --color-bg: #fff7fa;
  --color-surface: #ffffff;
  --color-surface-muted: #f6eef1;
  --color-surface-glass: rgba(255, 255, 255, 0.7);
  --color-surface-glass-strong: rgba(255, 255, 255, 0.86);
  --color-surface-glass-muted: rgba(255, 255, 255, 0.5);
  --color-text-primary: #3a2e33;
  --color-text-secondary: #7c6b72;
  /* Тёмный текст на кнопках/бейджах поверх пастельного --gradient-brand —
     обеспечивает >=4.5:1 (WCAG AA) на обоих концах градиента (проверено расчётом). */
  --color-on-primary: #2e1420;
  /* Акцентный цвет для мелкого текста (эйбрау, ссылки, бейджи) — темнее
     --color-primary-dark специально для контраста текста (>=4.5:1 на светлом фоне). */
  --color-accent-text: #7d3350;
  --gradient-screen: linear-gradient(135deg, #fff7fa 0%, #f8ede8 55%, #edf5f0 100%);
  --gradient-hero: linear-gradient(180deg, rgba(229, 115, 155, 0.4) 0%, rgba(141, 183, 166, 0.2) 100%);
  --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --glass-border: rgba(255, 255, 255, 0.6);
  --shadow-tint: rgba(229, 115, 155, 0.078);
  --blur-light: 16px;
  --blur-medium: 24px;
  --blur-heavy: 40px;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --font-heading: 'Plus Jakarta Sans', 'Nunito', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
  --max-width: 1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #f0a0bc;
    --color-primary-dark: #e5739b;
    --color-secondary: #9bcbb8;
    --color-accent: #f2b5a0;
    --color-bg: #1a1218;
    --color-surface: #2a2228;
    --color-surface-muted: #342a31;
    --color-surface-glass: rgba(42, 34, 40, 0.85);
    --color-surface-glass-strong: rgba(42, 34, 40, 0.93);
    --color-surface-glass-muted: rgba(42, 34, 40, 0.65);
    --color-text-primary: #f5eef1;
    --color-text-secondary: #b8a8ae;
    --color-on-primary: #241820;
    --color-accent-text: #f0a0bc;
    --gradient-screen: linear-gradient(135deg, #1a1218 0%, #231923 50%, #121a16 100%);
    --gradient-hero: linear-gradient(180deg, rgba(240, 160, 188, 0.4) 0%, rgba(155, 203, 184, 0.2) 100%);
    --glass-border: rgba(255, 255, 255, 0.12);
    --shadow-tint: rgba(0, 0, 0, 0.2);
    --blur-light: 12px;
    --blur-medium: 20px;
    --blur-heavy: 32px;
    color-scheme: dark;
  }
}

/* ---------------------------------------------------------------------- */
/* Reset                                                                   */
/* ---------------------------------------------------------------------- */

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

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

body {
  background: var(--gradient-screen);
  background-attachment: fixed;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  color: var(--color-text-primary);
}

p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-secondary);
}

section {
  padding: var(--space-xxl) var(--space-lg);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------------------------------------------------------------------- */
/* Utility                                                                 */
/* ---------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 1000;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-md);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: var(--space-sm);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

.section-subtitle--tight {
  margin-bottom: var(--space-lg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.9em 1.6em;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.button--primary {
  background: var(--gradient-brand);
  color: var(--color-on-primary);
  box-shadow: 0 12px 24px -8px var(--shadow-tint);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -8px var(--shadow-tint);
}

.button--ghost {
  background: var(--color-surface-glass-muted);
  color: var(--color-text-primary);
  border-color: var(--glass-border);
  backdrop-filter: blur(var(--blur-light));
  -webkit-backdrop-filter: blur(var(--blur-light));
}

.button--ghost:hover {
  background: var(--color-surface-glass-strong);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  color: var(--color-accent-text);
}

.link-arrow:hover {
  text-decoration: underline;
}

/* ---------------------------------------------------------------------- */
/* Header                                                                  */
/* ---------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-glass);
  backdrop-filter: blur(var(--blur-medium));
  -webkit-backdrop-filter: blur(var(--blur-medium));
  border-bottom: 1px solid var(--glass-border);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-right: auto;
}

.brand__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.brand__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text-primary);
}

/* Визуально скрыт, но остаётся в DOM/tab-order (в отличие от display:none) —
   реальный интерактивный чекбокс, доступный с клавиатуры (Tab + Space). */
.nav-toggle__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle__input:focus-visible ~ .nav-toggle__button {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.nav-toggle__button {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle__button span {
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--color-accent-text);
}

.lang-switch {
  padding: 0.35em 0.9em;
  border-radius: 999px;
  background: var(--color-surface-glass-muted);
  border: 1px solid var(--glass-border);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.lang-switch:hover {
  background: var(--color-surface-glass-strong);
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10%;
  background: var(--gradient-hero);
  filter: blur(60px);
  z-index: -1;
  border-radius: 50%;
}

.hero__content {
  max-width: 620px;
}

.hero__content h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
}

.hero__subtitle {
  font-size: 1.1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6em 1.1em;
  border-radius: 999px;
  background: var(--color-surface-glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--blur-light));
  -webkit-backdrop-filter: blur(var(--blur-light));
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

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

.hero__art-image {
  width: min(320px, 80%);
  filter: drop-shadow(0 24px 48px var(--shadow-tint));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__art-image {
    animation: none;
  }
}

/* ---------------------------------------------------------------------- */
/* About / Features                                                        */
/* ---------------------------------------------------------------------- */

.about {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xxl);
}

.feature-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  backdrop-filter: blur(var(--blur-light));
  -webkit-backdrop-filter: blur(var(--blur-light));
  box-shadow: 0 20px 40px -24px var(--shadow-tint);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 48px -20px var(--shadow-tint);
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  margin: 0;
  font-size: 0.95rem;
}

.tools-showcase {
  text-align: center;
  margin-bottom: var(--space-xxl);
}

.tools-showcase h3 {
  font-size: 1.5rem;
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.tool-chip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.7em 1.2em;
  border-radius: 999px;
  background: var(--color-surface-glass-muted);
  border: 1px solid var(--glass-border);
  font-weight: 700;
  font-size: 0.9rem;
}

.privacy-highlight {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  background: var(--color-surface-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(var(--blur-light));
  -webkit-backdrop-filter: blur(var(--blur-light));
}

.privacy-highlight__icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.privacy-highlight h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.privacy-highlight p {
  margin-bottom: var(--space-sm);
}

/* ---------------------------------------------------------------------- */
/* Download                                                                 */
/* ---------------------------------------------------------------------- */

.download {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.store-badge {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius);
  background: var(--color-surface-glass-muted);
  border: 1px dashed var(--glass-border);
  min-width: 220px;
  opacity: 0.85;
  cursor: default;
}

.store-badge__icon {
  font-size: 1.8rem;
}

.store-badge__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.store-badge__label {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
}

.store-badge__badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.download__note {
  font-size: 0.9rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                   */
/* ---------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--glass-border);
  background: var(--color-surface-glass-muted);
  backdrop-filter: blur(var(--blur-light));
  -webkit-backdrop-filter: blur(var(--blur-light));
  margin-top: var(--space-xxl);
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg) var(--space-lg);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--space-xl);
}

.site-footer__brand p {
  max-width: 320px;
  font-size: 0.9rem;
}

.site-footer__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.site-footer__column {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-footer__column h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.site-footer__column a {
  font-size: 0.95rem;
  font-weight: 600;
}

.site-footer__column a:hover {
  color: var(--color-accent-text);
}

.site-footer__legal-bar {
  border-top: 1px solid var(--glass-border);
  padding: var(--space-md) var(--space-lg);
  text-align: center;
}

.site-footer__legal-bar p {
  margin: 0;
  font-size: 0.8rem;
}

/* ---------------------------------------------------------------------- */
/* Legal pages                                                             */
/* ---------------------------------------------------------------------- */

.legal-page {
  display: flex;
  justify-content: center;
  padding: var(--space-xxl) var(--space-lg);
}

.legal-document {
  max-width: 760px;
  width: 100%;
  background: var(--color-surface-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xxl);
  backdrop-filter: blur(var(--blur-light));
  -webkit-backdrop-filter: blur(var(--blur-light));
}

.legal-document__updated {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 700;
}

.legal-document__intro {
  font-size: 1.05rem;
}

.legal-section {
  margin-top: var(--space-xl);
  padding: 0;
}

.legal-section h2 {
  font-size: 1.2rem;
}

.legal-section ul {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-lg);
}

.legal-section li {
  list-style: disc;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

/* ---------------------------------------------------------------------- */
/* Not found                                                                */
/* ---------------------------------------------------------------------- */

.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 60vh;
  gap: var(--space-sm);
}

.not-found span {
  font-size: 3rem;
}

/* ---------------------------------------------------------------------- */
/* Responsive                                                               */
/* ---------------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--space-xl);
  }

  .hero__content {
    margin: 0 auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__art {
    order: -1;
  }

  .privacy-highlight {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .site-footer__columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-toggle__button {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-surface-glass-strong);
    backdrop-filter: blur(var(--blur-heavy));
    -webkit-backdrop-filter: blur(var(--blur-heavy));
    border-bottom: 1px solid var(--glass-border);
    max-height: 0;
    overflow: hidden;
    /* visibility скрывает свёрнутое меню от tab-порядка (в отличие от
       одного overflow:hidden, который сам по себе не убирает ссылки из фокуса). */
    visibility: hidden;
    transition: max-height 0.25s ease, visibility 0s linear 0.25s;
  }

  .site-nav a,
  .site-nav .lang-switch {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--glass-border);
    border-radius: 0;
    width: fit-content;
  }

  .nav-toggle__input:checked ~ .site-nav {
    max-height: 400px;
    visibility: visible;
    transition: max-height 0.25s ease;
  }

  .site-footer__columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  section {
    padding: var(--space-xl) var(--space-md);
  }

  .legal-document {
    padding: var(--space-lg);
  }
}