:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef4ff;
  --ink: #132238;
  --muted: #536277;
  --line: #d9e2ef;
  --brand: #1d6fdc;
  --brand-dark: #114a95;
  --brand-soft: #dceafe;
  --accent: #ffb84d;
  --success: #0f766e;
  --danger: #b42318;
  --shadow: 0 16px 40px rgba(19, 34, 56, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(29, 111, 220, 0.10), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 184, 77, 0.14), transparent 18%),
    var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

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

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(244, 247, 251, 0.92);
  border-bottom: 1px solid rgba(217, 226, 239, 0.9);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(17, 74, 149, 0.18);
}

.brand-copy strong {
  display: block;
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.92rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--brand);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.05rem;
  border-radius: 999px;
  background: var(--brand);
  color: #ffffff;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--brand-dark);
  color: #ffffff;
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.card,
.note,
.content-block,
.faq-item,
.info-panel,
.contact-panel,
.legal-block,
.status-card,
.app-story {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  line-height: 1.16;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
}

h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.5rem);
}

h3 {
  font-size: 1.2rem;
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
}

.actions,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.btn,
.button-link,
.plain-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
}

.btn,
.button-link {
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #ffffff;
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--brand-dark);
  border: 1px solid #c7dbfb;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  filter: brightness(1.05);
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.button-link:hover,
.button-link:focus-visible {
  background: var(--brand-soft);
}

.hero-panel {
  padding: 1.5rem;
  background:
    linear-gradient(180deg, rgba(220, 234, 254, 0.7), rgba(255, 255, 255, 0.95)),
    var(--surface);
}

.hero-panel img {
  width: 100%;
  max-width: 260px;
  margin: 0 auto 1rem;
  border-radius: 20px;
}

.hero-panel ul,
.check-list,
.detail-list,
.legal-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.hero-panel li,
.check-list li,
.detail-list li,
.legal-list li {
  margin-bottom: 0.55rem;
}

.site-section {
  padding: 1.5rem 0 3rem;
}

.section-header {
  max-width: 760px;
  margin-bottom: 1.6rem;
}

.section-header p,
.content-block p,
.note p,
.app-story p,
.contact-panel p,
.legal-block p,
.info-panel p,
.status-card p {
  color: var(--muted);
}

.grid-3,
.grid-2,
.app-grid,
.stats-grid,
.contact-grid {
  display: grid;
  gap: 1.2rem;
}

.grid-3,
.app-grid,
.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.note,
.content-block,
.app-story,
.contact-panel,
.legal-block,
.status-card,
.info-panel {
  padding: 1.5rem;
}

.card p:last-child,
.note p:last-child,
.content-block p:last-child,
.app-story p:last-child,
.contact-panel p:last-child,
.legal-block p:last-child,
.status-card p:last-child,
.info-panel p:last-child {
  margin-bottom: 0;
}

.metric {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--brand-dark);
}

.app-story {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.app-story img {
  width: 82px;
  height: 82px;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tag {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--brand-dark);
  font-size: 0.88rem;
  font-weight: 700;
}

.status-card {
  border-left: 5px solid var(--success);
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.3rem;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--line);
}

.faq-answer {
  padding: 0 1.3rem 1.2rem;
  color: var(--muted);
}

.prose-list {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0 0;
}

.prose-list strong {
  color: var(--ink);
}

.contact-grid {
  align-items: start;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1rem;
}

.contact-link,
.telegram-button,
.email-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.9rem 1.1rem;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.contact-link:hover,
.telegram-button:hover,
.email-link:hover {
  background: var(--brand-soft);
}

.telegram-button {
  background: #e5f5ff;
  color: #005f9e;
}

.telegram-icon {
  width: 22px;
  height: 22px;
}

.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.form-row {
  display: grid;
  gap: 0.45rem;
}

.form-row label {
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid #bfd0e6;
  border-radius: 14px;
  background: #fbfdff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(29, 111, 220, 0.20);
  border-color: var(--brand);
}

.contact-form button {
  width: fit-content;
  padding: 0.9rem 1.3rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

.contact-form button:hover,
.contact-form button:focus-visible {
  filter: brightness(1.05);
}

.note {
  background: linear-gradient(180deg, #fff8eb, #ffffff);
  border-color: #f4d8a3;
}

.legal-block h2 {
  font-size: 1.4rem;
}

.microcopy {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #f0f5fb;
  padding: 2rem 0 3rem;
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand);
}

.page-banner {
  padding: 3rem 0 1rem;
}

.page-banner .section-inner {
  display: grid;
  gap: 1rem;
}

.page-banner-copy {
  max-width: 760px;
}

.small-caps {
  color: var(--brand-dark);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.centered-empty {
  min-height: 52vh;
  display: grid;
  place-items: center;
  padding: 3rem 0;
}

.empty-card {
  width: min(100% - 2rem, 680px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  text-align: center;
}

@media (max-width: 920px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .app-grid,
  .stats-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    padding: 0 1rem 1rem;
    background: rgba(244, 247, 251, 0.98);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    padding: 1rem 0 0;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .hero-copy,
  .hero-panel,
  .card,
  .note,
  .content-block,
  .faq-item,
  .info-panel,
  .contact-panel,
  .legal-block,
  .status-card,
  .app-story,
  .empty-card {
    padding: 1.2rem;
  }

  .actions,
  .inline-links {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .button-link,
  .contact-form button {
    width: 100%;
  }
}