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

:root {
  color-scheme: light;
  --bg: #f8f9fc;
  --text: #111827;
  --muted: #475569;
  --primary: #1f6feb;
  --primary-dark: #174ea6;
  --card: #ffffff;
  --border: #e5e7eb;
  --accent: #0f766e;
  --warning: #f97316;
  font-family: "Inter", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 16px;
  background: #ffffff;
  padding: 8px 12px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.16);
  z-index: 10;
}

.skip-link:focus {
  left: 16px;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 9;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #ffffff;
  border-radius: 10px;
  width: 44px;
  height: 44px;
  font-size: 16px;
}

.site-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0;
  width: 44px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.nav-link {
  color: var(--muted);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

@media (max-width: 860px) {
  .container {
    padding: 0 18px;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 12px 0;
  }

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

  .header-inner {
    flex-wrap: wrap;
  }

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

  .site-header {
    padding: 8px 0;
  }

  .site-header .btn.btn-primary {
    margin-bottom: 8px;
  }

  .btn.btn-primary {
    width: 100%;
    justify-content: center;
  }
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  align-items: center;
}

.hero-card {
  background: var(--card);
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.hero h1 {
  font-size: 40px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #e0edff;
  color: #0b4cc1;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}

.section {
  padding: 64px 0;
}

.section-title {
  font-size: 30px;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 720px;
}

.grid {
  display: grid;
  gap: 32px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
}

.section .grid {
  margin-top: 24px;
}

.section .notice {
  margin-top: 24px;
}

.card h3 {
  margin-top: 0;
}

.list {
  margin: 0;
  padding-left: 18px;
}

.muted {
  color: var(--muted);
}

.highlight {
  background: #ecfeff;
  border-left: 4px solid var(--accent);
  padding: 16px;
  border-radius: 12px;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pricing-price {
  font-size: 28px;
  font-weight: 700;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.site-footer {
  background: #0f172a;
  color: #f1f5f9;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.site-footer .muted {
  color: #cbd5f5;
}

.site-footer a {
  color: #e2e8f0;
}

.site-footer a:hover {
  color: #ffffff;
}

.footer-bottom {
  margin-top: 32px;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 16px;
  padding: 20px;
  display: grid;
  gap: 12px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fef3c7;
  color: #92400e;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.legal {
  display: grid;
  gap: 16px;
}

.legal h2 {
  margin-top: 32px;
}

.channel-groups {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.channel-group h2 {
  margin-top: 0;
  font-size: 20px;
}

.channel-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.channel-inline {
  margin: 0;
  color: var(--muted);
}

.product-media {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.product-media:where(video) {
  display: block;
}

.blog-card {
  display: grid;
  gap: 16px;
}

.blog-card-image {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.blog-card-body h2,
.blog-card-body h3 {
  margin-top: 0;
}

.blog-post {
  display: grid;
  gap: 24px;
}

.blog-post-image {
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.blog-post-content {
  display: grid;
  gap: 16px;
  color: var(--muted);
}

.section-image {
  width: 100%;
  height: auto;
  margin: 16px 0 32px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #ffffff;
  object-fit: cover;
}

.breadcrumbs {
  margin: 8px 0 16px;
  font-size: 14px;
  color: var(--muted);
}

.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumbs li::after {
  content: "/";
  margin-left: 6px;
  color: var(--border);
}

.breadcrumbs li:last-child::after {
  content: "";
}

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

.breadcrumbs a:hover {
  color: var(--text);
}