:root {
  --bg: #f5f8ff;
  --text: #101827;
  --muted: #637083;
  --card: #ffffff;
  --line: #e4eaf3;
  --primary: #0d62ff;
  --primary2: #00b8ff;
  --dark: #07111f;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at top left, #dbeaff 0, #f7f9ff 30%, #fff 100%);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6%;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 800;
}

.brand-logo {
  width: 118px;
  max-width: 118px;
  height: auto;
  max-height: 64px;
  object-fit: contain;
  display: block;
}

.brand span {
  font-size: 0;
}

.nav {
  display: flex;
  gap: 24px;
  color: #334155;
  font-weight: 600;
}

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

.menu-btn {
  display: none;
  border: 0;
  background: #eef4ff;
  border-radius: 12px;
  padding: 10px;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 44px;
  align-items: center;
  padding: 80px 6%;
}

.pill {
  display: inline-flex;
  background: #eaf2ff;
  color: #0d62ff;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(42px, 6vw, 76px);
  line-height: .95;
  margin: 20px 0;
}

.hero p,
.page-hero p {
  font-size: 19px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin: 30px 0;
}

.btn {
  display: inline-flex;
  padding: 15px 22px;
  border-radius: 16px;
  font-weight: 800;
}

.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff;
  box-shadow: 0 14px 30px rgba(13, 98, 255, .25);
}

.secondary {
  background: #fff;
  border: 1px solid var(--line);
}

.stats {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
}

.stats b {
  display: block;
  color: var(--text);
  font-size: 24px;
}

.hero-card {
  background: linear-gradient(180deg, #fff, #f6f9ff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 30px 80px rgba(15, 23, 42, .12);
}

.card-top {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  display: block;
  border-radius: 20px;
  margin-bottom: 24px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.chips span,
.chips a {
  background: #eef5ff;
  border: 1px solid #dce9ff;
  border-radius: 999px;
  padding: 9px 12px;
  font-weight: 700;
  color: #1e4f9c;
}

.section,
.page {
  padding: 70px 6%;
}

.section-head h2 {
  font-size: 44px;
  max-width: 780px;
}

.section-head.compact h2 {
  margin: 12px 0;
  font-size: 34px;
}

.section-head.compact p {
  max-width: 780px;
  margin: 0 0 26px;
  color: var(--muted);
  line-height: 1.7;
}

.grid-3,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.feature,
.product-card,
.content-card,
.steps div,
.faq-list details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, .06);
}

.product-card {
  min-height: 242px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: #c9dbff;
  box-shadow: 0 24px 60px rgba(15, 23, 42, .09);
}

.product-card h2,
.product-card p {
  margin: 0;
}

.feature p,
.product-card p,
.content-card p,
.steps p,
.faq-list p {
  color: var(--muted);
  line-height: 1.7;
}

.product-card .text-link {
  margin-top: auto;
}

.cta {
  margin: 40px 6% 80px;
  padding: 48px;
  border-radius: 32px;
  background: var(--dark);
  color: #fff;
  text-align: center;
}

.cta p {
  color: #b8c4d6;
}

.page-hero {
  padding: 30px 0 40px;
}

.about-page {
  display: grid;
  gap: 34px;
}

.about-page .page-hero {
  padding-bottom: 10px;
}

.about-page .content-card {
  padding: 42px;
}

.about-page .content-card h2,
.about-page .feature h2 {
  margin-top: 0;
}

.about-page .content-card p:last-child,
.about-page .feature p:last-child {
  margin-bottom: 0;
}

.about-page .grid-3 {
  gap: 28px;
}

.about-page .feature {
  min-height: 220px;
  padding: 34px;
}

.about-page .cta {
  margin-top: 6px;
}

.product-card span {
  color: #0d62ff;
  font-weight: 800;
}

.text-link {
  font-weight: 800;
  color: #0d62ff;
}

.category-page {
  display: grid;
  gap: 44px;
}

.category-page .page-hero {
  padding-bottom: 18px;
  max-width: 980px;
}

.category-page .hero-actions {
  margin-bottom: 0;
  margin-top: 34px;
}

.category-page .content-card {
  padding: 48px;
}

.category-page .content-card h2,
.category-page .product-card h2 {
  margin-top: 0;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.check-list div {
  min-height: 128px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #f7faff;
  color: var(--muted);
  line-height: 1.65;
}

.category-links {
  gap: 30px;
}

.category-links .product-card {
  min-height: 260px;
  padding: 34px;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.mini-product {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  gap: 12px;
  padding: 14px 14px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #f7faff;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.mini-product:hover {
  transform: translateY(-3px);
  border-color: #c9dbff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, .08);
}

.mini-product img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  border-radius: 14px;
  background: #eaf2ff;
}

.mini-product span {
  padding: 0 6px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
}

.mini-product h3 {
  padding: 0 6px;
  margin: 0;
  font-size: 18px;
  line-height: 1.28;
}

.mini-product strong {
  padding: 0 6px;
  margin-top: auto;
  color: var(--primary);
}

.steps {
  display: grid;
  gap: 18px;
}

.steps b {
  color: #0d62ff;
}

.guide-page {
  display: grid;
  gap: 34px;
}

.guide-page .page-hero {
  padding-bottom: 8px;
}

.guide-page .content-card {
  padding: 42px;
}

.guide-page .guide-intro h2,
.guide-page .guide-checks h2,
.guide-page .guide-steps h2 {
  margin-top: 0;
}

.guide-page .guide-intro p:last-child,
.guide-page .guide-checks p:last-child,
.guide-page .guide-steps p:last-child {
  margin-bottom: 0;
}

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

.guide-steps div {
  padding: 34px;
}

.guide-steps b {
  display: inline-flex;
  margin-bottom: 14px;
  font-size: 14px;
  letter-spacing: 0;
}

.guide-checks {
  gap: 28px;
}

.guide-checks .feature {
  padding: 34px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 18px;
}

.faq-page {
  max-width: 1160px;
  margin: 0 auto;
}

.faq-page .page-hero {
  text-align: center;
  padding-bottom: 44px;
}

.faq-page .page-hero p {
  margin-left: auto;
  margin-right: auto;
}

.faq-page .faq-list {
  gap: 18px;
}

.faq-page .faq-list details {
  padding: 30px 34px;
}

.faq-page .faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  list-style: none;
}

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

.faq-page .faq-list summary::after {
  content: "+";
  color: var(--primary);
  font-size: 24px;
  line-height: 1;
}

.faq-page .faq-list details[open] summary::after {
  content: "-";
}

.faq-page .faq-list p {
  max-width: 980px;
  margin: 18px 0 0;
  font-size: 17px;
}

.narrow {
  max-width: 980px;
  margin: auto;
}

.footer {
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) 2fr;
  gap: 48px;
  padding: 44px 6%;
  border-top: 1px solid var(--line);
  background: #fff;
  color: #526071;
}

.footer-brand p {
  max-width: 520px;
  line-height: 1.7;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  box-shadow: 0 12px 24px rgba(15, 23, 42, .14);
  transition: transform .18s ease, border-color .18s ease, color .18s ease;
}

.social-links .telegram {
  background: #229ed9;
}

.social-links .whatsapp {
  background: #25d366;
}

.social-links svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.social-links a:hover {
  transform: translateY(-2px);
  color: #fff;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
}

.footer-logo img {
  width: 132px;
  max-width: 132px;
  height: auto;
  max-height: 72px;
  object-fit: contain;
}

.footer-logo span {
  font-size: 0;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-columns div {
  display: grid;
  gap: 10px;
  align-content: start;
}

.footer-social {
  justify-items: start;
}

.footer-columns strong {
  color: var(--text);
  margin-bottom: 4px;
}

.footer-columns a {
  color: #526071;
  font-weight: 700;
}

.footer-columns a:hover {
  color: var(--primary);
}

@media (max-width: 860px) {
  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    right: 6%;
    top: 72px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(15, 23, 42, .12);
  }

  .nav.open {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 50px;
    min-height: auto;
  }

  .grid-3,
  .product-grid,
  .check-list,
  .product-list {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .footer {
    flex-direction: column;
  }

  .footer {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .stats {
    gap: 14px;
  }

  .section-head h2 {
    font-size: 34px;
  }
}
