/* Base layout */
:root {
  --color-background: #ffffff;
  --color-surface: #f5f5f7;
  --color-border: #e2e2e7;
  --color-primary: #0b8fa8;
  --color-primary-dark: #06657a;
  --color-text: #1f2933;
  --color-muted: #6b7280;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

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

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-background);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0.5rem;
  gap: 1.5rem;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  height: 40px;
  width: auto;
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.03em;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--color-primary-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--color-muted);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
  text-decoration: none;
}

/* Main content */
main {
  flex: 1;
}

.hero {
  padding: 3rem 0 2.5rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
}

.hero-copy p {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  max-width: 40rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease,
    box-shadow 0.15s ease, transform 0.06s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(6, 101, 122, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-dark));
  transform: translateY(-1px);
  text-decoration: none;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--color-surface);
}

.hero-panel {
  background: radial-gradient(circle at top left, #e0f6fb, #ffffff);
  border-radius: 1.25rem;
  border: 1px solid var(--color-border);
  padding: 1.5rem 1.25rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.hero-panel h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.hero-panel p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--color-muted);
}

/* Content sections */
.content {
  padding: 2.5rem 0 3rem;
}

.content-header {
  margin-bottom: 1.5rem;
}

.content-header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.7rem, 2.4vw, 2rem);
}

.content-header p {
  margin: 0;
  color: var(--color-muted);
  max-width: 36rem;
}

.content-section {
  padding: 1.75rem 1.5rem;
  border-radius: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
}

.content-section h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.content-section p {
  margin: 0.35rem 0;
}

.content-section ul {
  margin: 0.4rem 0 0.2rem 1.25rem;
  padding: 0;
}

.content-section li {
  margin-bottom: 0.15rem;
}

.label {
  font-weight: 600;
}

.highlight-box {
  padding: 0.9rem 0.85rem;
  border-radius: 0.75rem;
  border: 1px dashed var(--color-primary-dark);
  background-color: #e9f7fa;
  font-size: 0.93rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  padding: 1.25rem 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a {
  color: var(--color-muted);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Responsive */
@media (min-width: 768px) {
  .header-inner {
    padding-inline: 0;
  }

  .hero-inner {
    flex-direction: row;
    align-items: stretch;
  }

  .hero-copy,
  .hero-panel {
    flex: 1;
  }

  .hero-panel {
    margin-top: 0.5rem;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}