/* =====================================================================
   Jon Kamal — Redesign shell
   Builds on colors_and_type.css with extended theming + utility classes
   for both variants. Variant-specific visuals live in their own JSX.
   ===================================================================== */

/* ── Font pairing variables (toggleable via Tweaks) ───────────────── */
:root {
  --jk-display: var(--font-display);
  --jk-body-fam: var(--font-body);

  /* Accent (overridable per theme) */
  --accent: var(--jk-signal);
  --accent-deep: var(--jk-signal-deep);
  --accent-on: var(--jk-anchor); /* foreground when sitting on accent bg */
  --accent-text: var(--jk-signal-text); /* AA-safe accent for text on light backgrounds */

  /* Density scale (overridable per density) */
  --d-section-y: 80px;
  --d-hero-y: 64px;
  --d-gap: 28px;
  --d-headline: clamp(56px, 9vw, 128px);

  /* Body text color (set per page bg) */
  --ink: var(--jk-anchor);
  --ink-soft: #3A3A38;
  --ink-mid: var(--jk-mid);

  --bg: var(--jk-white);
  --on-bg: var(--jk-anchor);
}

/* Density variants */
[data-density="tight"] {
  --d-section-y: 56px;
  --d-hero-y: 44px;
  --d-gap: 18px;
  --d-headline: clamp(48px, 8vw, 104px);
}
[data-density="airy"] {
  --d-section-y: 96px;
  --d-hero-y: 72px;
  --d-gap: 32px;
  --d-headline: clamp(60px, 9.2vw, 132px);
}
[data-density="poster"] {
  --d-section-y: 120px;
  --d-hero-y: 88px;
  --d-gap: 40px;
  --d-headline: clamp(72px, 12vw, 200px);
}

/* Theme accents */
[data-theme="default"]   { --accent: #7FB2C9; --accent-deep: #4E8AA6; --accent-on: #1A1A18; --accent-text: #2A6A86; }
[data-theme="hotmic"]    { --accent: #E64A2A; --accent-deep: #B53516; --accent-on: #1A1A18; --accent-text: #8B2010; }
[data-theme="latenight"] { --accent: #E8B14A; --accent-deep: #B8842A; --accent-on: #1A1A18; --accent-text: #7A5A18; }
[data-theme="studio"]    { --accent: #4ED6C9; --accent-deep: #2EA295; --accent-on: #1A1A18; --accent-text: #186B62; }
[data-theme="acid"]      { --accent: #C8E84A; --accent-deep: #97B82A; --accent-on: #1A1A18; --accent-text: #4E680E; }

/* Font pairings */
[data-font="barlow-georgia"] {
  --jk-display: 'Barlow Condensed', 'Arial Narrow', Impact, Arial, sans-serif;
  --jk-body-fam: Georgia, 'Times New Roman', serif;
}
[data-font="barlow-inter"] {
  --jk-display: 'Barlow Condensed', 'Arial Narrow', Impact, Arial, sans-serif;
  --jk-body-fam: 'Inter', system-ui, sans-serif;
}
[data-font="archivo-georgia"] {
  --jk-display: 'Archivo Black', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --jk-body-fam: Georgia, 'Times New Roman', serif;
}
[data-font="space-plex"] {
  --jk-display: 'Space Grotesk', system-ui, sans-serif;
  --jk-body-fam: 'IBM Plex Mono', monospace;
}
[data-font="anton-mono"] {
  --jk-display: 'Anton', Impact, sans-serif;
  --jk-body-fam: 'JetBrains Mono', monospace;
}

/* Background style overlays */
.bg-overlay { position: relative; }
.bg-overlay::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  z-index: 1; mix-blend-mode: overlay; opacity: 0;
}

[data-bg="halftone"] .bg-overlay::after {
  opacity: 0.18;
  background-image: radial-gradient(circle, currentColor 1px, transparent 1.4px);
  background-size: 6px 6px;
  color: rgba(0,0,0,0.5);
}
[data-bg="noise"] .bg-overlay::after {
  opacity: 0.08;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.7'/></svg>");
}
[data-bg="scanlines"] .bg-overlay::after {
  opacity: 0.18;
  background: repeating-linear-gradient(to bottom, rgba(0,0,0,0.18) 0 1px, transparent 1px 3px);
}
[data-bg="gradient"] .bg-overlay::after {
  opacity: 0.6;
  background: radial-gradient(ellipse at top right, var(--accent), transparent 60%);
}

/* Motion intensity hooks (consumed by JSX) — base CSS just disables when 'still' */
[data-motion="still"] *, [data-motion="still"] *::before, [data-motion="still"] *::after {
  animation-play-state: paused !important;
  animation-duration: 0.001ms !important;
  transition-duration: 0.001ms !important;
}

/* Respect OS-level prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .mq-track { animation: none; }
  .on-air-pill .dot { animation: none; }
  @keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } }
}

/* CTA styles */
.cta {
  font-family: var(--jk-display); font-weight: 700; font-size: 13px;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 14px 28px; text-decoration: none; display: inline-flex;
  align-items: center; gap: 10px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 200ms ease, background 200ms ease, color 200ms ease, opacity 200ms ease;
  background: var(--accent); color: var(--accent-on);
}
.cta:hover { transform: translateY(-1px); opacity: 0.92; }
.cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.cta-ghost:focus-visible { outline-color: var(--jk-white); }
.cta-ghost { background: transparent; color: var(--jk-white); border-color: rgba(255,255,255,0.4); }
.cta-ghost:hover { border-color: var(--accent); color: var(--accent); }

[data-cta="outline"] .cta { background: transparent; color: var(--accent); border-color: var(--accent); }
[data-cta="outline"] .cta-ghost { color: var(--jk-white); border-color: rgba(255,255,255,0.4); }
[data-cta="pill"] .cta { border-radius: 999px; }
[data-cta="chunky"] .cta {
  padding: 20px 36px; font-size: 15px;
  border: 2px solid var(--jk-anchor);
  box-shadow: 6px 6px 0 var(--jk-anchor);
}
[data-cta="chunky"] .cta:hover { transform: translate(2px, 2px); box-shadow: 4px 4px 0 var(--jk-anchor); }
[data-cta="chunky"] .cta-ghost { background: transparent; color: var(--jk-white); border-color: var(--accent); box-shadow: 6px 6px 0 var(--accent); }

/* Skip link — screen reader + keyboard nav */
.skip-link {
  position: absolute; top: -100%; left: 16px;
  background: var(--jk-anchor); color: var(--jk-white);
  font-family: var(--jk-display); font-weight: 700; font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 10px 20px; text-decoration: none; z-index: 9999;
  transition: top 150ms;
}
.skip-link:focus { top: 16px; }

/* ── Reset-y stuff ────────────────────────────────────────── */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--jk-body-fam);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }

/* Variant root */
.site-root { position: relative; min-height: 100vh; overflow-x: hidden; }

/* Top nav (shared) */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--jk-anchor);
  padding: 14px 0;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.mark {
  font-family: var(--jk-display); font-weight: 900; font-size: 22px;
  letter-spacing: 0.02em; color: var(--jk-white);
  text-transform: uppercase; line-height: 1; text-decoration: none;
  display: flex; align-items: baseline; gap: 6px;
}
.mark em { color: var(--accent); font-style: normal; }
.mark .sub {
  font-family: var(--jk-display); font-weight: 700; font-size: 9px;
  letter-spacing: 0.18em; color: var(--jk-mid); margin-left: 8px;
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-spacer { flex: 1; }
.nav-links a {
  font-family: var(--jk-display); font-weight: 700; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--jk-white);
  text-decoration: none; opacity: 0.85;
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px;
}
.nav-links a:hover { color: var(--accent); opacity: 1; }
.nav-links a[aria-current="page"] { color: var(--accent); opacity: 1; }

/* Live VU bars in nav */
.vu-bars { display: flex; gap: 2px; align-items: flex-end; height: 14px; }
.vu-bars span {
  display: inline-block; width: 2px;
  background: var(--accent);
  transition: height 80ms linear;
}

/* On-air pill */
.on-air-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--jk-display); font-weight: 700; font-size: 10px;
  letter-spacing: 0.22em; color: var(--accent);
  text-transform: uppercase;
  padding: 6px 10px; border: 1px solid rgba(127,178,201,0.3);
}
.on-air-pill .dot {
  width: 7px; height: 7px; background: var(--accent); border-radius: 50%;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.8); }
}

/* Footer */
.foot {
  background: var(--jk-anchor); color: var(--jk-white);
  padding: 64px 0 28px;
}
.foot-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 2fr repeat(2, 1fr); gap: 40px;
}
.foot-mark {
  font-family: var(--jk-display); font-weight: 900; font-size: 56px;
  letter-spacing: -0.01em; line-height: 0.9; text-transform: uppercase;
  color: var(--jk-white); margin-bottom: 12px;
}
.foot-mark em { color: var(--accent); font-style: normal; }
.foot-tag {
  font-family: var(--jk-body-fam); font-size: 13px; line-height: 1.55;
  color: var(--jk-on-dark); max-width: 260px;
}
.foot-col { display: flex; flex-direction: column; gap: 8px; }
.foot-label {
  font-family: var(--jk-display); font-weight: 700; font-size: 9px;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 4px;
}
.foot-col a, .foot-col span {
  font-family: var(--jk-display); font-weight: 700; font-size: 13px;
  letter-spacing: 0.04em; color: var(--jk-white); text-transform: uppercase;
  text-decoration: none;
}
.foot-col a:hover { color: var(--accent); }
.foot-credit {
  max-width: 1280px; margin: 40px auto 0; padding: 18px 32px 0;
  border-top: 0.5px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--jk-display); font-weight: 700; font-size: 10px;
  letter-spacing: 0.18em; color: var(--jk-mid); text-transform: uppercase;
}

/* Variant switcher (top-right above tweaks) */
.variant-toggle {
  position: fixed; left: 16px; bottom: 16px;
  z-index: 100;
  display: flex; gap: 0;
  background: rgba(26,26,24,0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 4px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.variant-toggle button {
  appearance: none; background: transparent; border: 0;
  font-family: var(--jk-display); font-weight: 800; font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--jk-on-dark); padding: 8px 16px;
  white-space: nowrap;
  cursor: pointer; transition: background 150ms, color 150ms;
}
.variant-toggle button[aria-current="true"] {
  background: var(--accent); color: var(--accent-on);
}
.variant-toggle button:hover:not([aria-current="true"]) {
  color: var(--jk-white);
}

/* Responsive baseline */
@media (max-width: 760px) {
  .nav-inner { padding: 0 20px; gap: 8px; }
  .nav-links { gap: 16px; }
  .vu-bars { display: none; }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 28px; padding: 0 20px; }
  .foot-mark { font-size: 40px; }
  .foot-credit { padding: 18px 20px 0; }
  .variant-toggle { left: 8px; bottom: 8px; }
}