@font-face {
  font-family: "Doto";
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url("../fonts/Doto.woff2") format("woff2");
}

@font-face {
  font-family: "Space Mono";
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url("../fonts/SpaceMono-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Space Mono";
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url("../fonts/SpaceMono-Bold.woff2") format("woff2");
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0a0f0a;
  --color-surface: rgba(20, 40, 20, 0.7);
  --color-primary: #4ade80;
  --color-primary-dim: #22c55e;
  --color-text: #d4e7d4;
  --color-muted: #7a9a7a;
  --color-border: rgba(74, 222, 128, 0.1);
  --color-badge-bg: rgba(74, 222, 128, 0.1);
  --color-badge-border: rgba(74, 222, 128, 0.15);
  --color-card-hover: rgba(74, 222, 128, 0.25);
  --color-heading-shadow: rgba(74, 222, 128, 0.2);
  --spectrum-fill-start: rgba(74, 222, 128, 0.06);
  --spectrum-fill-mid: rgba(34, 197, 94, 0.03);
  --spectrum-line: rgba(74, 222, 128, 0.15);
  --spectrum-peak: rgba(74, 222, 128, 0.1);
  --spectrum-grid: rgba(74, 222, 128, 0.03);
  --radius: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f0f5f0;
    --color-surface: rgba(255, 255, 255, 0.8);
    --color-primary: #16a34a;
    --color-primary-dim: #15803d;
    --color-text: #1a2e1a;
    --color-muted: #4a6a4a;
    --color-border: rgba(22, 163, 74, 0.15);
    --color-badge-bg: rgba(22, 163, 74, 0.08);
    --color-badge-border: rgba(22, 163, 74, 0.2);
    --color-card-hover: rgba(22, 163, 74, 0.3);
    --color-heading-shadow: rgba(22, 163, 74, 0.15);
    --spectrum-fill-start: rgba(22, 163, 74, 0.08);
    --spectrum-fill-mid: rgba(22, 163, 74, 0.04);
    --spectrum-line: rgba(22, 163, 74, 0.2);
    --spectrum-peak: rgba(22, 163, 74, 0.12);
    --spectrum-grid: rgba(22, 163, 74, 0.05);
  }
}

body {
  font-family: "Space Mono", monospace;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Spectrum canvas */
#spectrum {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Title with badge */
.title-wrap {
  position: relative;
  display: inline-block;
}

.callsign-badge {
  position: absolute;
  top: 0.5rem;
  right: -2.5rem;
  font-size: 0.55rem;
  font-weight: 700;
  color: #dc2626;
  background: #fee2e2;
  border: 2.5px solid #dc2626;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  transform: rotate(8deg);
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-shadow: none;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  padding: 4rem 0 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 3rem;
}

header h1 {
  font-family: "Doto", monospace;
  font-size: 2.75rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-shadow: 0 0 30px var(--color-heading-shadow);
}

.tagline {
  color: var(--color-muted);
  font-size: 1.15rem;
  margin-top: 0.35rem;
}

/* Main */
main {
  padding: 3rem 0;
}

.intro {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.apps h2 {
  margin-bottom: 1.5rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.app-card {
  background: var(--color-surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.app-card:hover {
  border-color: var(--color-card-hover);
}

.app-card h3 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.app-card p {
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
}

.btn:hover {
  text-decoration: underline;
}

.btn-secondary {
  color: var(--color-muted);
  font-weight: 400;
}

.app-links {
  display: flex;
  justify-content: space-between;
}

/* App badge */
.app-badge {
  display: inline-block;
  background: var(--color-badge-bg);
  color: var(--color-primary-dim);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--color-badge-border);
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
  padding: 2rem 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.footer-links {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  margin: 0 0.5rem;
}

.footer-links a:hover {
  text-decoration: underline;
  color: var(--color-primary);
}

/* Legal pages */
.legal {
  padding-top: 2rem;
  padding-bottom: 3rem;
  font-size: 0.875rem;
  line-height: 1.7;
}

.legal h1 {
  font-size: 1.375rem;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.legal h2 {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.legal p {
  margin-bottom: 0.75rem;
}

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

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

.legal ul {
  margin: 0 0 0.75rem 1.25rem;
  padding: 0;
}

.legal li {
  margin-bottom: 0.25rem;
}

.back {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-decoration: none;
}

.back:hover {
  text-decoration: underline;
  color: var(--color-primary);
}