:root {
  --color-bg: #ffffff;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-border: #e5e7eb;
  --color-card-bg: #f9fafb;
  --color-card-bg-hover: #f3f4f6;
  --color-card-line: rgba(255, 255, 255, 0.32);
  --color-card-grad-1: #1346cf;
  --color-card-grad-2: #1e5aee;
  --color-card-grad-3: #3bb6ff;
  --color-card-shadow: rgba(9, 32, 84, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.site {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text);
  background:
    radial-gradient(1300px 520px at 50% -120px, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0) 60%),
    linear-gradient(165deg, #d7dbe1 0%, #c8ced6 28%, #b7bec8 52%, #c7cdd5 76%, #d6dae0 100%);
  background-attachment: fixed;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

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

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

.site-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.36);
  background: linear-gradient(145deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 58%, var(--color-card-grad-3) 100%);
  box-shadow: 0 10px 24px rgba(9, 32, 84, 0.35);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #ffffff;
}

.site-logo-image {
  height: 24px;
  width: auto;
}

.site-logo-text {
  font-size: 16px;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}

.site-nav a {
  font-size: 12px;
  font-weight: 500;
  color: #e8f2ff;
}

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

.site-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header .btn-primary {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.44);
  color: #ffffff;
}

.site-header .btn-primary:hover {
  background: rgba(255, 255, 255, 0.3);
}

.site-header .btn-outline {
  border-color: rgba(255, 255, 255, 0.44);
  color: #ffffff;
}

.site-header .btn-outline:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 16px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  background: transparent;
  color: var(--color-primary);
}

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

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

.btn-outline {
  border-color: var(--color-primary);
  background-color: transparent;
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: rgba(37, 99, 235, 0.04);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 16px 56px;
}

.section {
  margin-bottom: 40px;
}

.section-header {
  margin-bottom: 16px;
}

.section-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.section-title {
  margin: 4px 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.section-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--color-text-muted);
}

.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding: 32px 24px;
  border-radius: 24px;
  border: 1px solid var(--color-card-line);
  background: linear-gradient(145deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 58%, var(--color-card-grad-3) 100%);
  box-shadow: 0 14px 34px var(--color-card-shadow);
  color: #ffffff;
  margin-bottom: 40px;
}

.hero-left {
  flex: 1 1 260px;
  min-width: 260px;
}

.hero-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #e7f2ff;
}

.hero-title {
  margin: 6px 0 8px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.hero-subtitle {
  margin: 0 0 16px;
  font-size: 12px;
  color: #ebf5ff;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.hero-note {
  font-size: 10px;
  color: #ecf5ff;
}

.hero .btn-primary {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: #ffffff;
}

.hero .btn-primary:hover {
  background: rgba(255, 255, 255, 0.26);
}

.hero .btn-outline {
  border-color: rgba(255, 255, 255, 0.46);
  color: #ffffff;
}

.hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.16);
}

.hero-right {
  flex: 0 1 320px;
  min-width: 260px;
}

.hero-card {
  border-radius: 16px;
  border: 1px solid var(--color-card-line);
  background: linear-gradient(145deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 58%, var(--color-card-grad-3) 100%);
  box-shadow: 0 12px 30px var(--color-card-shadow);
  padding: 16px;
}

.hero-card-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 8px;
  color: #ffffff;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  font-size: 10px;
}

.hero-card-item {
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background-color: rgba(255, 255, 255, 0.14);
}

.hero-card-item-label {
  font-size: 10px;
  color: #e6f1ff;
}

.hero-card-item-value {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border-radius: 8px;
  border: 1px solid var(--color-card-line);
  background: linear-gradient(150deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 60%, var(--color-card-grad-3) 100%);
  box-shadow: 0 10px 24px var(--color-card-shadow);
  padding: 16px;
  min-height: 160px;
  display: flex;
  flex-direction: column;
}

.card:hover {
  filter: brightness(1.05);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
  color: #ffffff;
}

.card-text {
  font-size: 12px;
  color: #e8f2ff;
  margin: 0;
}

.card-meta {
  margin-top: 8px;
  font-size: 10px;
  color: #eff6ff;
}

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

.use-case-card {
  border-radius: 8px;
  border: 1px solid var(--color-card-line);
  background: linear-gradient(150deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 60%, var(--color-card-grad-3) 100%);
  box-shadow: 0 10px 24px var(--color-card-shadow);
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.use-case-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  color: #ffffff;
}

.use-case-text {
  font-size: 12px;
  color: #e8f2ff;
  margin: 0 0 10px;
}

.use-case-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 12px;
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-list {
  border-radius: 8px;
  border: 1px solid var(--color-card-line);
  background: linear-gradient(150deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 60%, var(--color-card-grad-3) 100%);
  box-shadow: 0 10px 24px var(--color-card-shadow);
}

.faq-item + .faq-item {
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.faq-item {
  padding: 12px 14px;
}

.faq-question-btn {
  width: 100%;
  display: block;
  position: relative;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 10px;
  background: linear-gradient(145deg, #0f44c8 0%, #1a58ea 62%, #2fa8ff 100%);
  box-shadow: 0 8px 20px rgba(9, 32, 84, 0.32);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  padding: 10px 44px 10px 12px;
  cursor: pointer;
}

.faq-question-btn::after {
  content: '+';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.faq-item.is-open .faq-question-btn::after {
  content: '−';
}

.faq-answer-wrap {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height 0.34s ease, opacity 0.24s ease, transform 0.24s ease;
}

.faq-item.is-open .faq-answer-wrap {
  max-height: 220px;
  opacity: 1;
  transform: translateY(0);
}

.faq-answer {
  margin: 10px 2px 0;
  font-size: 12px;
  color: #ffffff;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.36);
  background: linear-gradient(145deg, var(--color-card-grad-1) 0%, var(--color-card-grad-2) 58%, var(--color-card-grad-3) 100%);
  box-shadow: 0 -8px 22px rgba(9, 32, 84, 0.28);
  padding: 16px;
  font-size: 12px;
  color: #edf6ff;
}

.site-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.site-footer-links a {
  color: #edf6ff;
}

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

@media (max-width: 960px) {
  .site-nav {
    display: none;
  }

  .hero {
    padding: 20px 16px;
  }

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

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

@media (max-width: 640px) {
  main {
    padding: 24px 12px 40px;
  }

  .hero {
    border-radius: 16px;
  }

  .cards-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .site-header-inner {
    padding: 0 12px;
  }

  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}