/* =========================================================================
   Ena Intelligence — Landing Page styles
   Builds on tokens.css from the Sound Strategies system
   ========================================================================= */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg-page);
  color: var(--fg-1);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* Reset link defaults to be controlled per component */
a { color: inherit; }

/* ---------- Density modifier (used by Tweaks) ---------- */
:root[data-density="airy"] {
  --section-pad-y: clamp(96px, 12vw, 168px);
}
:root[data-density="standard"] {
  --section-pad-y: clamp(72px, 9vw, 128px);
}
:root[data-density="dense"] {
  --section-pad-y: clamp(56px, 7vw, 96px);
}
:root { --section-pad-y: clamp(72px, 9vw, 128px); }

/* ---------- Color emphasis (used by Tweaks) ---------- */
:root[data-emphasis="signal"] { --emphasis-bg: var(--ss-paper); --emphasis-text: var(--ss-ink); }
:root[data-emphasis="warm"]   { --emphasis-bg: var(--ss-paper-warm); --emphasis-text: var(--ss-ink); }

/* ---------- Section base ---------- */
section {
  padding: var(--section-pad-y) 0;
  position: relative;
}
.section-dark {
  background: var(--ss-stage);
  color: var(--fg-on-dark);
}
.section-warm { background: var(--ss-paper-warm); }
.section-mist { background: var(--ss-mist); }
.section-tint {
  background:
    radial-gradient(80% 60% at 15% 0%, rgba(11,166,238,0.08), transparent 65%),
    radial-gradient(60% 60% at 95% 100%, rgba(255,192,0,0.05), transparent 65%),
    var(--ss-paper-warm);
}
.section-signal {
  background: var(--ss-signal);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section-signal::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(255,255,255,0.18), transparent 60%),
    radial-gradient(50% 70% at 0% 100%, rgba(13,66,97,0.35), transparent 60%);
  pointer-events: none;
}
.section-signal-soft {
  background:
    linear-gradient(180deg, var(--signal-50) 0%, var(--ss-paper) 100%);
}

/* ---------- Signal line motif ---------- */
.signal-rule {
  display: block;
  height: 1px;
  background: var(--ss-signal);
  width: 64px;
  margin: 0 0 28px;
}
.signal-rule.thick { height: 2px; }
.signal-rule.long { width: 100%; }
.signal-rule.on-dark { background: var(--ss-signal); opacity: 0.7; }

/* ---------- Hero radial glow (only on dark) ---------- */
.hero-glow {
  position: absolute; inset: 0;
  background: radial-gradient(60% 70% at 20% 30%, rgba(11,166,238,0.18), transparent 60%);
  pointer-events: none;
}

/* ---------- Eyebrow override on dark surfaces ---------- */
.on-dark .eyebrow { color: rgba(255,255,255,0.72); }
.on-dark p { color: rgba(255,255,255,0.78); }

/* ---------- Card base ---------- */
.card {
  background: var(--ss-paper);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-3) var(--ease-entry), box-shadow var(--dur-3) var(--ease-entry);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.card-dark {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-4);
}
.card-tint-signal {
  background: linear-gradient(180deg, var(--signal-50) 0%, var(--ss-paper) 70%);
  border-color: var(--signal-200);
}
.card-tint-amp {
  background: linear-gradient(180deg, var(--amp-50) 0%, var(--ss-paper) 70%);
  border-color: var(--amp-200);
}
.card-tint-warm {
  background: var(--ss-paper-warm);
}

/* ---------- Type utilities ---------- */
.balance { text-wrap: balance; }
.pretty { text-wrap: pretty; }
.measure { max-width: 62ch; }
.measure-narrow { max-width: 48ch; }

/* ---------- Mono timecode label ---------- */
.timecode {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--fg-3);
  text-transform: none;
}
.on-dark .timecode { color: rgba(255,255,255,0.5); }

/* ---------- Pill chip ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--ss-mist);
  color: var(--fg-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.chip-signal { background: var(--signal-50); color: var(--signal-700); }
.chip-on-dark {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.12);
}

/* ---------- Small dot pattern ---------- */
.dot-grid {
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 16px 16px;
}

/* ---------- Floating tag / specsheet ---------- */
.spec-card {
  background: var(--ss-paper);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: 24px;
  box-shadow: var(--shadow-3);
}

/* ---------- Marquee row for trust strip ---------- */
.trust-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px;
  align-items: center;
}
@media (max-width: 900px) {
  .trust-row { grid-template-columns: repeat(3, 1fr); gap: 24px 16px; }
}

/* ---------- Concierge chat mock ---------- */
.chat-shell {
  background: var(--ss-paper);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  box-shadow: var(--shadow-3);
  overflow: hidden;
}
.chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--ss-paper-warm);
}
.chat-bubble {
  max-width: 78%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14.5px;
  line-height: 1.5;
}
.bubble-them {
  background: var(--ss-mist);
  color: var(--fg-1);
  border-bottom-left-radius: 4px;
}
.bubble-me {
  background: var(--ss-signal);
  color: #fff;
  border-bottom-right-radius: 4px;
  margin-left: auto;
}

/* ---------- Profile / Intelligence panel ---------- */
.panel {
  background: var(--ss-paper);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  overflow: hidden;
}
.panel-head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--ss-paper-warm);
}
.panel-body { padding: 22px; }

/* ---------- KPI tile ---------- */
.kpi {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-val {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.kpi-label {
  font-size: 12px;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

/* ---------- Focus ring ---------- */
:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-radius: 6px; }

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 520ms var(--ease-entry), transform 520ms var(--ease-entry);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive grid helpers ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Equalizer micro-animation ---------- */
@keyframes eq-pulse-1 { 0%, 100% { height: 30%; } 50% { height: 90%; } }
@keyframes eq-pulse-2 { 0%, 100% { height: 60%; } 50% { height: 40%; } }
@keyframes eq-pulse-3 { 0%, 100% { height: 45%; } 50% { height: 100%; } }
@keyframes eq-pulse-4 { 0%, 100% { height: 80%; } 50% { height: 50%; } }
.eq-bar { width: 3px; background: var(--ss-signal); border-radius: 2px; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--ss-stage);
  color: var(--fg-on-dark);
  padding: 80px 0 40px;
}
footer.site-footer a { color: rgba(255,255,255,0.7); }
footer.site-footer a:hover { color: #fff; text-decoration: none; }