/* ==========================================================================
   Design Tokens
   ========================================================================== */
:root {
  /* Palette: "Broadcast Brutalism" */
  --color-broadcast-black: #0a0a0c;
  --color-static-white: #f4f4f0;
  --color-on-air-red: #db202c;
  --color-channel-yellow: #FFCC00;
  --color-cable-gray: #2a2a35;
  --color-noise-gray: #e0e0dc;

  /* Typography */
  --font-display: 'Oswald', system-ui, sans-serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.5rem;
  --text-4xl: 3.5rem;
  --text-5xl: 5rem;
  --text-6xl: 7rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-10: 6rem;
  --space-12: 8rem;

  /* Borders */
  --border-thin: 1px solid var(--color-broadcast-black);
  --border-thick: 4px solid var(--color-broadcast-black);
  --border-thick-red: 4px solid var(--color-on-air-red);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-static-white);
  color: var(--color-broadcast-black);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
}

/* ==========================================================================
   Fonts
   ========================================================================== */
@font-face {
  font-family: 'Oswald';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/oswald-latin-700-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/public-sans-latin-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/public-sans-latin-700-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/space-mono-latin-400-normal.woff2') format('woff2');
}

/* ==========================================================================
   Global Layout
   ========================================================================== */
.site-header {
  border-bottom: var(--border-thick);
  background-color: var(--color-channel-yellow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  max-width: 1440px;
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
}

.nav-brand span {
  background-color: var(--color-on-air-red);
  color: var(--color-static-white);
  padding: 0 var(--space-2);
  margin-right: var(--space-1);
}

.nav-links {
  display: flex;
  gap: var(--space-4);
}

.nav-links a {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  font-size: var(--text-sm);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.nav-links a:hover {
  border-color: var(--color-broadcast-black);
}

.site-footer {
  background-color: var(--color-broadcast-black);
  color: var(--color-static-white);
  padding: var(--space-10) var(--space-4) var(--space-4);
  margin-top: var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-6);
  max-width: 1440px;
  margin: 0 auto;
}

.footer-col h3, .footer-col h4 {
  color: var(--color-channel-yellow);
  margin-bottom: var(--space-3);
}

.footer-col a {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-static-white);
  margin-bottom: var(--space-2);
  opacity: 0.8;
}

.footer-col a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-bottom {
  max-width: 1440px;
  margin: var(--space-8) auto 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-cable-gray);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  opacity: 0.6;
}

/* ==========================================================================
   Utility Classes & Typography
   ========================================================================== */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.mono { font-family: var(--font-mono); }
.text-red { color: var(--color-on-air-red); }
.bg-black { background-color: var(--color-broadcast-black); color: var(--color-static-white); }
.bg-yellow { background-color: var(--color-channel-yellow); }

/* ==========================================================================
   Content Layouts (Grids, Spreads, Tables)
   ========================================================================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

.guide-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
  font-family: var(--font-body);
}

.guide-table th, .guide-table td {
  border: var(--border-thin);
  padding: var(--space-2) var(--space-3);
  text-align: left;
}

.guide-table th {
  background-color: var(--color-cable-gray);
  color: var(--color-static-white);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
}

.guide-table tr:nth-child(even) {
  background-color: var(--color-noise-gray);
}

.guide-time {
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
}

.channel-tag {
  display: inline-block;
  background-color: var(--color-broadcast-black);
  color: var(--color-static-white);
  padding: 2px 6px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
}

.live-badge {
  display: inline-block;
  background-color: var(--color-on-air-red);
  color: var(--color-static-white);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  animation: blink 2s infinite;
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Forms & Tools */
.tool-box {
  background-color: var(--color-noise-gray);
  border: var(--border-thick);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.tool-group {
  margin-bottom: var(--space-4);
}

.tool-group label {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.tool-group input, .tool-group select {
  width: 100%;
  padding: var(--space-2);
  border: var(--border-thin);
  font-family: var(--font-body);
  font-size: var(--text-base);
}

.tool-btn {
  background-color: var(--color-on-air-red);
  color: var(--color-static-white);
  border: none;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  cursor: pointer;
  width: 100%;
  text-transform: uppercase;
  transition: background-color 0.2s;
}

.tool-btn:hover {
  background-color: var(--color-broadcast-black);
}

.tool-result {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-static-white);
  border: var(--border-thin);
  font-size: var(--text-xl);
  font-weight: 700;
  text-align: center;
}

/* ==========================================================================
   Homepage Specific
   ========================================================================== */
.hero-section {
  border-bottom: var(--border-thick);
  padding: var(--space-10) var(--space-4);
  background: repeating-linear-gradient(
    45deg,
    var(--color-noise-gray),
    var(--color-noise-gray) 10px,
    var(--color-static-white) 10px,
    var(--color-static-white) 20px
  );
}

.hero-content {
  max-width: 1440px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--text-6xl);
  line-height: 0.9;
  margin-bottom: var(--space-4);
  max-width: 15ch;
  background-color: var(--color-static-white);
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border: var(--border-thick);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  background-color: var(--color-broadcast-black);
  color: var(--color-static-white);
  display: inline-block;
  padding: var(--space-2) var(--space-4);
}

.section-title {
  font-size: var(--text-4xl);
  border-bottom: var(--border-thick);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-6);
}

.section-wrapper {
  padding: var(--space-10) 0;
  border-bottom: var(--border-thin);
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero-title { font-size: var(--text-5xl); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-title { font-size: var(--text-4xl); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; } /* Simplified for mobile */
}