/* Qwery — shared styles
   Magazine Drop, dark-first with light mode toggle.
*/

:root {
  --bg: #0a0b0e;
  --ink: #ecedf2;
  --ink-soft: rgba(236, 237, 242, 0.7);
  --ink-faint: rgba(236, 237, 242, 0.45);
  --rule: rgba(236, 237, 242, 0.16);
  --rule-strong: rgba(236, 237, 242, 0.38);
  --surface: #11131a;
  --surface-2: #181b25;
  --accent: #3d8bff;       /* electric blue */
  --accent-ink: #0a0b0e;
  --pad-x: 56px;
  --maxw: 1440px;

  /* type scale — major third (1.25) */
  --fs-d1: clamp(48px, 6.5vw, 104px);   /* hero / page titles */
  --fs-d2: clamp(40px, 5vw, 80px);      /* section titles, spreads */
  --fs-d3: clamp(24px, 2.4vw, 36px);    /* card titles */
  --fs-h:  22px;                         /* step / letter names */
  --fs-lead: 18px;                       /* hero & section leads */
  --fs-body: 15px;                       /* paragraph text */
  --fs-sm:   13px;                       /* captions */
  --fs-label: 11px;                      /* mono labels */
  --fs-tiny: 10px;                       /* mono meta */

  --ls-label: 0.15em;
  --ls-eyebrow: 0.22em;
}

[data-density="cozy"] { --pad-x: 56px; }
[data-density="loose"] { --pad-x: 96px; }
[data-density="tight"] { --pad-x: 32px; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Space Grotesk', -apple-system, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  transition: background 240ms ease, color 240ms ease;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* type */
.serif { font-family: 'PP Neue Machina', 'Archivo Black', sans-serif; font-weight: 800; letter-spacing: -0.02em; }
.serif-italic { font-family: 'PP Neue Machina', 'Archivo Black', sans-serif; font-style: italic; font-weight: 800; letter-spacing: -0.02em; }
.sans { font-family: 'Space Grotesk', sans-serif; }
.mono { font-family: 'JetBrains Mono', monospace; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-label);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow-accent { color: var(--accent); }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }

/* layout helpers */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }
.rule { height: 1px; background: var(--rule); border: 0; margin: 0; }
.rule-strong { height: 2px; background: var(--ink); border: 0; margin: 0; opacity: .9; }

/* SECTIONS — shared shell (applies on all pages) */
.section {
  padding: 104px 0;
  border-bottom: 1px solid var(--rule);
}

/* MASTHEAD / NAV */
.masthead {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
}
.masthead-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.masthead .meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); flex: 1; }

/* status indicator (left of nav) */
.masthead .status {
  flex: 1;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-label);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--ink-soft);
}
.status-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  position: relative;
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 80%, transparent);
  animation: statusPulse 2.4s cubic-bezier(.4, 0, .6, 1) infinite;
}
.status-dot::after {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: statusRing 2.4s cubic-bezier(.4, 0, .6, 1) infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 80%, transparent); }
  50%      { box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent) 0%, transparent); }
}
@keyframes statusRing {
  0%   { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.0); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .status-dot, .status-dot::after { animation: none; }
}
.masthead .logo { flex-shrink: 0; }
.masthead .nav-links { flex: 1; justify-content: flex-end; }
.logo {
  font-family: 'PP Neue Machina', 'Archivo Black', sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
}
.logo .star { color: var(--accent); font-size: 14px; }
.logo .quarterly { display: none; }

.nav-links {
  display: flex; gap: 28px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.18em;
}
.nav-links a { position: relative; padding: 4px 0; transition: color 180ms; }
.nav-links a.active::after,
.nav-links a:hover::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--accent);
}

.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.18em;
  border: 1px solid var(--rule-strong);
  padding: 6px 12px;
  cursor: pointer;
  transition: border-color 180ms, color 180ms;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); transition: background 180ms; }
[data-theme="dark"] .theme-toggle .dot { background: var(--ink); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.12em;
  border: 1px solid var(--ink);
  transition: transform 180ms, background 180ms, color 180ms;
  cursor: pointer;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--accent); }
.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover { color: var(--bg); }
.btn-accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-accent:hover { color: var(--accent-ink); box-shadow: 4px 4px 0 var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }

/* footer */
.footer {
  padding: 80px var(--pad-x);
  border-top: 1px solid var(--rule);
  font-family: 'JetBrains Mono', monospace; font-size: var(--fs-label);
  letter-spacing: var(--ls-label); text-transform: uppercase;
  color: var(--ink-faint);
}
.footer .foot-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer .foot-logo {
  font-family: 'Archivo Black', sans-serif;
  font-size: 24px; letter-spacing: -0.04em; text-transform: uppercase;
  color: var(--ink);
}
.footer .foot-logo .star { color: var(--accent); margin: 0 4px; }
.footer .foot-socials { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer .foot-copy { color: var(--ink-faint); }
.footer a:hover { color: var(--accent); }

/* images / placeholders — use real images later */
.placeholder {
  background:
    repeating-linear-gradient(135deg, transparent, transparent 12px,
    color-mix(in oklab, var(--ink) 8%, transparent) 12px,
    color-mix(in oklab, var(--ink) 8%, transparent) 13px),
    var(--surface);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
}
.placeholder.has-image {
  color: transparent;
  background: none;
  border-color: transparent;
}
body:not(.qab-on) .placeholder {
  color: transparent;
}

/* scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms cubic-bezier(.2, .8, .2, 1), transform 800ms cubic-bezier(.2, .8, .2, 1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* page transition (fade-in on load) */
@keyframes pageFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-fade { animation: pageFade 600ms cubic-bezier(.2,.8,.2,1) both; }

/* section divider with running ticker */
.ticker {
  display: flex; gap: 32px; align-items: center;
  padding: 14px var(--pad-x);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
  overflow: hidden;
  white-space: nowrap;
}
.ticker .pulse { color: var(--accent); }
.ticker-track {
  display: flex; gap: 32px; align-items: center;
  animation: tick 120s linear infinite;
}
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* utility */
.tag {
  display: inline-flex; padding: 4px 10px;
  border: 1px solid var(--rule-strong);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}
.tag-accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.h-display {
  font-family: 'PP Neue Machina', 'Archivo Black', sans-serif;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.9;
  text-transform: none;
}
.h-display em { font-style: italic; color: var(--accent); font-weight: 800; }

.lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--ink-soft); max-width: 56ch; }