@import url("https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@500;700&family=Roboto:wght@400;500;700&family=JetBrains+Mono:wght@500&display=swap");

:root {
  --color-primary: #146a62;
  --color-primary-hover: #1f8c80;
  --color-secondary: #c0512c;
  --surface-page: #f7fbfa;
  --surface-sunken: #e9f2f0;
  --surface-card: #ffffff;
  --surface-dark: #16342f;
  --text-primary: #182f2c;
  --text-secondary: #526966;
  --text-muted: #748885;
  --text-on-primary: #ffffff;
  --sand-100: #f7f0e5;
  --sand-400: #cabda8;
  --border-subtle: #cadeda;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --shadow-md: 0 14px 34px -24px rgba(20, 106, 98, 0.55);
  --shadow-lg: 0 24px 56px -34px rgba(20, 106, 98, 0.7);
  --content-max-width: 1120px;
  --text-display-xl: 700 clamp(2.35rem, 4vw, 4.65rem)/1.04 "Roboto Slab", Georgia, serif;
  --text-display-lg: 700 clamp(1.85rem, 3vw, 3rem)/1.12 "Roboto Slab", Georgia, serif;
  --text-display-sm: 700 1.45rem/1.18 "Roboto Slab", Georgia, serif;
  --text-body-lg: 400 1.18rem/1.65 Roboto, Arial, sans-serif;
  --text-body-md: 400 1rem/1.65 Roboto, Arial, sans-serif;
  --text-body-sm: 400 0.93rem/1.55 Roboto, Arial, sans-serif;
  --text-label: 700 0.9rem/1.2 Roboto, Arial, sans-serif;
  --text-caption: 500 0.78rem/1.45 "JetBrains Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.as-button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  font: var(--text-label);
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 80ms ease;
}

.as-button:active {
  transform: translateY(1px);
}

.as-button:focus-visible {
  outline: 3px solid rgba(31, 140, 128, 0.35);
  outline-offset: 2px;
}

.as-button-primary {
  background: var(--color-primary);
  color: var(--text-on-primary);
}

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

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

.as-button-outline:hover {
  background: rgba(20, 106, 98, 0.08);
}

.as-button-lg {
  padding: 13px 22px;
}

.as-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px;
}

.as-badge {
  border-radius: var(--radius-pill);
  display: inline-flex;
  font: var(--text-caption);
  letter-spacing: 0.08em;
  padding: 7px 12px;
  text-transform: uppercase;
}

.as-badge-primary {
  background: rgba(20, 106, 98, 0.12);
  color: var(--color-primary);
}

.as-badge-secondary {
  background: rgba(192, 81, 44, 0.12);
  color: var(--color-secondary);
}

.as-icon {
  display: inline-flex;
  flex: none;
  line-height: 1;
}

@media (max-width: 860px) {
  header {
    align-items: flex-start !important;
    flex-direction: column !important;
    gap: 16px !important;
    padding: 18px 22px !important;
    position: static !important;
  }

  header nav {
    flex-wrap: wrap !important;
    gap: 14px !important;
  }

  section {
    padding-left: 22px !important;
    padding-right: 22px !important;
  }

  section > div {
    grid-template-columns: 1fr !important;
  }

  iframe {
    height: 650px !important;
  }
}

@media (max-width: 560px) {
  :root {
    --text-display-xl: 700 2.25rem/1.06 "Roboto Slab", Georgia, serif;
    --text-display-lg: 700 1.75rem/1.15 "Roboto Slab", Georgia, serif;
  }

  .as-card {
    padding: 18px;
  }

  .as-button {
    width: 100%;
  }

  iframe {
    height: 700px !important;
  }
}