/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #1a56db;
  --blue-dark: #1340a8;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --text: #1f2937;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Button */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s, transform .1s;
  cursor: pointer;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary {
  background: var(--blue);
  color: #fff;
}
.btn--primary:hover { background: var(--blue-dark); }

/* Hero */
.hero {
  background: linear-gradient(135deg, #1a56db 0%, #3b82f6 100%);
  color: #fff;
  text-align: center;
  padding: 80px 24px 64px;
}
.hero__logo {
  width: 100px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 20px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.hero__subtitle {
  font-size: 22px;
  opacity: .9;
  margin-bottom: 8px;
}
.hero__desc {
  font-size: 16px;
  opacity: .7;
  margin-bottom: 32px;
}
.hero .btn--primary {
  background: #fff;
  color: var(--blue);
}
.hero .btn--primary:hover {
  background: #f0f4ff;
}

/* Sections */
.section {
  padding: 64px 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
}
.section p {
  max-width: 700px;
  margin: 0 auto 16px;
  text-align: center;
}
.section__lead {
  font-size: 18px;
  color: var(--text-light);
}
.section__note {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 24px;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 40px 0 16px;
}
.feature {
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.section--alt .feature {
  background: #fff;
}
.feature__icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.feature h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.feature p {
  font-size: 15px;
  color: var(--text-light);
  text-align: center;
}

/* Partners */
.partners {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 32px;
}
.partner {
  text-align: center;
  padding: 24px 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 180px;
}
.partner--img {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.partner--img:hover {
  border-color: var(--blue);
  text-decoration: none;
}
.partner--img img {
  display: block;
  max-width: 200px;
  height: auto;
}
.partner__label {
  font-size: 13px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.partner__name {
  font-size: 20px;
  font-weight: 700;
}
.partner__sub {
  font-size: 14px;
  color: var(--text-light);
}

/* Trademarks */
.tm-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.tm-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
}
.tm-card__name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.tm-card__cert {
  font-size: 14px;
  color: var(--text-light);
}

/* Requisites table */
.req-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
.req-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.req-table td:first-child {
  font-weight: 600;
  width: 40%;
  color: var(--text-light);
}

/* Docs list */
.docs-list {
  list-style: none;
  max-width: 600px;
  margin: 20px auto 0;
}
.docs-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  text-align: center;
}
.docs-list li::before {
  content: "\1F4C4 ";
}

/* Footer */
.footer {
  padding: 32px 24px;
  text-align: center;
  font-size: 14px;
  color: var(--text-light);
  border-top: 1px solid var(--border);
}
.footer__links {
  margin-top: 8px;
}
.footer__links a {
  color: var(--text-light);
}
.footer__links a:hover {
  color: var(--blue);
}

/* Responsive */
@media (max-width: 640px) {
  .hero { padding: 56px 20px 48px; }
  .hero h1 { font-size: 40px; }
  .hero__subtitle { font-size: 18px; }
  .section { padding: 48px 0; }
  .section h2 { font-size: 26px; }
  .partners { flex-direction: column; align-items: center; }
  .req-table td:first-child { width: 50%; }
}