:root {
  --color-bg: #f7f1e4;
  --color-bg-alt: #fffcf5;
  --color-text: #2b2420;
  --color-text-muted: #71655a;
  --color-border: #e4d8c3;
  --color-accent: #c9603f;
  --color-accent-rgb: 201, 96, 63;
  --color-accent-contrast: #fffaf3;
  --color-code-bg: #efe4d0;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: ui-serif, Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Courier New", monospace;

  --radius: 10px;
  --max-width: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #201b16;
    --color-bg-alt: #2b241d;
    --color-text: #f1e6d6;
    --color-text-muted: #b3a290;
    --color-border: #40352a;
    --color-accent: #e0794f;
    --color-accent-rgb: 224, 121, 79;
    --color-accent-contrast: #2b1a10;
    --color-code-bg: #362c22;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.55;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  display: grid;
  gap: 2rem;
}

/* ---------- Header ---------- */

.site-header {
  text-align: center;
  padding: 3rem 1.25rem 1.5rem;
}

.site-header h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  letter-spacing: -0.01em;
}

.site-header .squiggle {
  display: block;
  width: 140px;
  height: 16px;
  margin: 0.6rem auto 0;
  color: var(--color-accent);
}

.site-header .subtitle {
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ---------- CTA Banner ---------- */

.cta-banner {
  display: flex;
  justify-content: center;
}

.cta-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  max-width: 520px;
  padding: 1.5rem 2rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  text-decoration: none;
  text-align: center;
  box-shadow: 0 6px 20px rgba(var(--color-accent-rgb), 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta-button:hover,
.cta-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(var(--color-accent-rgb), 0.45);
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
}

.cta-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Row of smaller, secondary CTA-style buttons (e.g. Contact & About) */

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.cta-button--small {
  width: auto;
  max-width: none;
  padding: 0.7rem 1.25rem;
  box-shadow: 0 3px 10px rgba(var(--color-accent-rgb), 0.3);
}

.cta-button--small:hover,
.cta-button--small:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(var(--color-accent-rgb), 0.4);
}

.cta-button--small .cta-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
}

.cta-button--small .cta-subtitle {
  font-size: 0.78rem;
}

/* ---------- Cards ---------- */

.card {
  position: relative;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 26px 8px 26px 8px;
  padding: 1.75rem 1.75rem 1.5rem;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.03);
}

.card:nth-of-type(even) {
  border-radius: 8px 26px 8px 26px;
}

.card h2 {
  margin-top: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.6rem;
}

.card h3 {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.note {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Info list (definition list) ---------- */

.info-list {
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.info-row {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: 0.75rem;
  align-items: start;
}

.info-row dt {
  color: var(--color-text-muted);
  font-weight: 600;
}

.info-row dd {
  margin: 0;
}

code {
  font-family: var(--font-mono);
  background: var(--color-code-bg);
  padding: 0.15em 0.45em;
  border-radius: 5px;
  font-size: 0.92em;
}

.badge {
  display: inline-block;
  background: rgba(var(--color-accent-rgb), 0.14);
  color: var(--color-accent);
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  margin: 0 0 1rem;
  border: 1px dashed rgba(var(--color-accent-rgb), 0.5);
}

/* ---------- Resource links (terminal-style buttons) ---------- */

.link-category {
  margin-bottom: 1.5rem;
}

.link-category:last-child {
  margin-bottom: 0;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.link-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px 4px 14px 4px;
  background: var(--color-code-bg);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.15s ease;
}

.link-item:hover,
.link-item:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-bg-alt);
  transform: translateY(-2px);
}

.link-item::before {
  content: "$ ";
  color: var(--color-accent);
}

.link-label {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.link-value {
  word-break: break-all;
}

/* ---------- Text links ---------- */

.text-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-style: wavy;
}

/* ---------- Footer ---------- */

.site-footer {
  text-align: center;
  padding: 1.5rem 1.25rem 2.5rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-family: var(--font-serif);
}

/* ---------- Responsive tweaks ---------- */

@media (max-width: 600px) {
  .info-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .card {
    padding: 1.5rem 1.25rem 1.25rem;
  }
}