/* ==========================================================================
   NOETIC — components
   ========================================================================== */

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: 0.85em 1.6em;
  border-radius: var(--r-full);
  font-size: var(--t-sm);
  font-weight: 550;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
  isolation: isolate;
  overflow: hidden;
  transition: color var(--d-fast) var(--e-swift),
              border-color var(--d-fast) var(--e-swift),
              transform var(--d-fast) var(--e-out);
}
.btn:active { transform: scale(0.97); }

/* Fill sweeps up from the bottom on hover. */
.btn::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background: var(--grad-signal);
  transform: translateY(101%);
  transition: transform var(--d-med) var(--e-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }

.btn--primary {
  color: var(--ink-1000);
  background: var(--tx-hi);
  font-weight: 600;
}
.btn--primary:hover { color: var(--ink-1000); }

.btn--ghost {
  color: var(--tx-hi);
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover { color: var(--ink-1000); border-color: transparent; }

.btn--quiet {
  padding-inline: 0;
  color: var(--cy-400);
  gap: var(--s-2);
}
.btn--quiet::before { display: none; }
.btn--quiet .btn__arrow { transition: transform var(--d-med) var(--e-out); }
.btn--quiet:hover .btn__arrow { transform: translateX(0.35rem); }

.btn--lg { padding: 1.05em 2.1em; font-size: var(--t-base); }

/* ---- Tag / badge -------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.32em 0.75em;
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tx-lo);
  background: color-mix(in oklab, var(--ink-800) 40%, transparent);
}
.tag--live { color: var(--cy-400); border-color: color-mix(in oklab, var(--cy-500) 35%, transparent); }
.tag--soon { color: var(--am-500); border-color: color-mix(in oklab, var(--am-500) 35%, transparent); }
.tag--research { color: var(--vi-400); border-color: color-mix(in oklab, var(--vi-500) 40%, transparent); }

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
  animation: pulse 2.4s var(--e-out) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, currentColor 70%, transparent); }
  70%  { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---- Panels / cards ----------------------------------------------------- */
.panel {
  position: relative;
  padding: var(--s-6);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(160deg,
      color-mix(in oklab, var(--ink-800) 78%, transparent),
      color-mix(in oklab, var(--ink-900) 88%, transparent));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color var(--d-med) var(--e-swift),
              transform var(--d-med) var(--e-out);
}

/* A pointer-tracked highlight; --mx/--my are set by js/modules/tilt.js.
   Falls back to a static top-left sheen when JS is off. */
.panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(
    22rem 22rem at var(--mx, 20%) var(--my, 0%),
    color-mix(in oklab, var(--cy-500) 16%, transparent),
    transparent 62%);
  opacity: 0;
  transition: opacity var(--d-med) var(--e-swift);
  pointer-events: none;
}
.panel:hover::before { opacity: 1; }
.panel:hover { border-color: color-mix(in oklab, var(--cy-500) 32%, transparent); }

.panel__index {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--tx-dim);
  letter-spacing: var(--tr-wide);
}
.panel h3 { margin-block: var(--s-4) var(--s-3); }
.panel p { color: var(--tx-mid); font-size: var(--t-sm); }

/* Link card — whole panel is clickable */
.card-link { display: block; color: inherit; }
.card-link:hover h3 { color: var(--cy-400); }
.card-link h3 { transition: color var(--d-fast) var(--e-swift); }

/* ---- Stat ---------------------------------------------------------------- */
.stat { display: grid; gap: var(--s-2); }
.stat__num {
  font-size: var(--t-2xl);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--tr-tight);
  color: var(--tx-hi);
  font-variant-numeric: tabular-nums;
}
.stat__num sup { font-size: 0.42em; vertical-align: super; color: var(--cy-400); }
.stat__label {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tx-lo);
}

/* ---- Marquee ------------------------------------------------------------ */
.marquee {
  position: relative;
  display: flex;
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: var(--s-4);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  flex: none;
  gap: var(--s-7);
  padding-right: var(--s-7);
  align-items: center;
  animation: marquee 38s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track > span {
  display: inline-flex;
  align-items: center;
  gap: var(--s-4);
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tx-lo);
  white-space: nowrap;
}
.marquee__track > span::after {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cy-500);
  opacity: 0.7;
}
@keyframes marquee { to { transform: translateX(-100%); } }

/* The role list is built on native <details> so it works without JavaScript.
   Its styling lives in css/pages/contact.css — deliberately not here, so
   nothing in this file can collapse an open panel. */

/* ---- Table -------------------------------------------------------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: var(--t-sm);
}
.table th, .table td {
  padding: var(--s-4) var(--s-4);
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.table th {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tx-lo);
  font-weight: 500;
}
.table td { color: var(--tx-mid); }
.table td:first-child { color: var(--tx-hi); }
.table tbody tr { transition: background var(--d-fast) var(--e-swift); }
.table tbody tr:hover { background: color-mix(in oklab, var(--vi-500) 8%, transparent); }
.table .num { font-variant-numeric: tabular-nums; text-align: right; }

/* ---- Meter / benchmark bar ---------------------------------------------- */
.meter {
  display: grid;
  grid-template-columns: minmax(7rem, 12rem) 1fr auto;
  gap: var(--s-4);
  align-items: center;
  padding-block: var(--s-3);
}
.meter__label { font-size: var(--t-sm); color: var(--tx-mid); }
.meter__track {
  position: relative;
  height: 6px;
  border-radius: var(--r-full);
  background: color-mix(in oklab, var(--tx-lo) 16%, transparent);
  overflow: hidden;
}
.meter__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--v, 0) * 1%);
  border-radius: inherit;
  background: var(--grad-signal);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 1.1s var(--e-out);
  transition-delay: calc(var(--i, 0) * 90ms);
}
.is-in .meter__fill { transform: scaleX(1); }
.meter__val {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--tx-hi);
  font-variant-numeric: tabular-nums;
  min-width: 3.5rem;
  text-align: right;
}

/* ---- Custom cursor ------------------------------------------------------ */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: var(--z-cursor);
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity var(--d-med) linear;
}
.cursor.is-active { opacity: 1; }
.cursor__ring {
  position: absolute;
  width: 34px; height: 34px;
  margin: -17px 0 0 -17px;
  border: 1px solid #fff;
  border-radius: 50%;
  transition: width var(--d-fast) var(--e-out),
              height var(--d-fast) var(--e-out),
              margin var(--d-fast) var(--e-out),
              background var(--d-fast) var(--e-out),
              border-radius var(--d-fast) var(--e-out);
}
.cursor__dot {
  position: absolute;
  width: 4px; height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: #fff;
}
.cursor.is-hot .cursor__ring {
  width: 62px; height: 62px;
  margin: -31px 0 0 -31px;
  background: #fff;
}
.cursor.is-text .cursor__ring {
  width: 3px; height: 30px;
  margin: -15px 0 0 -1.5px;
  border-radius: 1px;
  background: #fff;
}
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }
:root.motion-reduced .cursor { display: none; }

/* ---- Page transition veil ----------------------------------------------- */
.veil {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(80% 60% at 50% 50%, color-mix(in oklab, var(--vi-600) 55%, transparent), transparent 70%),
    var(--ink-1000);
  transition: opacity 340ms var(--e-swift);
}
.veil.is-on { opacity: 1; }

/* ---- Form --------------------------------------------------------------- */
.field { display: grid; gap: var(--s-2); position: relative; }
.field label {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tx-lo);
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: var(--s-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: color-mix(in oklab, var(--ink-900) 70%, transparent);
  color: var(--tx-hi);
  font-size: var(--t-sm);
  transition: border-color var(--d-fast) var(--e-swift),
              box-shadow var(--d-fast) var(--e-swift),
              background var(--d-fast) var(--e-swift);
}
.field textarea { resize: vertical; min-height: 8rem; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--cy-500);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--cy-500) 16%, transparent);
  background: color-mix(in oklab, var(--ink-850) 85%, transparent);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--mg-500); }
.field__err {
  font-size: var(--t-xs);
  color: var(--mg-500);
  min-height: 1.1em;
}

/* ---- Slider (playground) ------------------------------------------------ */
.slider { display: grid; gap: var(--s-2); }
.slider__row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--tx-lo);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.slider__row b { color: var(--cy-400); font-weight: 500; font-variant-numeric: tabular-nums; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: var(--r-full);
  background: color-mix(in oklab, var(--tx-lo) 22%, transparent);
}
input[type="range"]::-moz-range-track {
  height: 3px;
  border-radius: var(--r-full);
  background: color-mix(in oklab, var(--tx-lo) 22%, transparent);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  margin-top: -5.5px;
  border-radius: 50%;
  background: var(--cy-500);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--cy-500) 45%, transparent);
  transition: box-shadow var(--d-fast) var(--e-swift);
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border: none;
  border-radius: 50%;
  background: var(--cy-500);
}
input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--cy-500) 22%, transparent);
}

/* ==========================================================================
   Shared page furniture
   Used by every page, so it lives here rather than in any one page's file.
   ========================================================================== */

/* ---- Inner-page masthead ------------------------------------------------ */
.page-hero { padding-top: clamp(8rem, 20vh, 13rem); }
.page-title {
  font-size: var(--t-3xl);
  font-weight: 640;
  line-height: 0.9;
  letter-spacing: -0.045em;
  view-transition-name: page-title;
  margin-bottom: var(--s-5);
  background-image: linear-gradient(176deg, #fff 10%, #d3dbff 52%, #9788ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-lede {
  font-size: var(--t-md);
  color: var(--tx-mid);
  max-width: 54ch;
}
.page-lede em { color: var(--cy-400); font-style: normal; }

/* Split lines become their own stacking context once they are transformed,
   which would leave a background clipped to the *untransformed* text behind.
   Re-declaring the gradient on the moving element keeps paint and motion
   together — each line carries its own ramp. */
.page-title .line__inner,
.hero__title .line__inner {
  background-image: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Action row --------------------------------------------------------- */
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-top: var(--s-4);
}

/* ---- Paper list --------------------------------------------------------- */
.paper-list { border-top: 1px solid var(--line); }
.paper {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  gap: var(--s-5);
  align-items: baseline;
  padding: var(--s-5) var(--s-2);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-inline var(--d-med) var(--e-out), color var(--d-fast) var(--e-swift);
}
.paper::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, color-mix(in oklab, var(--vi-500) 12%, transparent), transparent 70%);
  opacity: 0;
  transition: opacity var(--d-med) var(--e-swift);
}
.paper:hover { padding-inline: var(--s-5) var(--s-2); }
.paper:hover::before { opacity: 1; }
.paper__date {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--tx-dim);
  letter-spacing: 0.08em;
}
.paper__title {
  position: relative;
  color: var(--tx-hi);
  font-size: var(--t-md);
  font-weight: 500;
  letter-spacing: var(--tr-snug);
  transition: color var(--d-fast) var(--e-swift);
}
.paper:hover .paper__title { color: var(--cy-400); }
.paper__tag {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tx-lo);
}
@media (max-width: 48rem) {
  .paper { grid-template-columns: 1fr; gap: var(--s-2); }
  .paper__tag { justify-self: start; }
}

/* ---- Closing call to action --------------------------------------------- */
.cta { text-align: center; }
.cta__inner { display: grid; justify-items: center; gap: var(--s-4); }
.cta__title {
  font-size: var(--t-3xl);
  letter-spacing: var(--tr-tight);
  color: var(--tx-hi);
  text-shadow: 0 0 48px color-mix(in oklab, var(--vi-500) 60%, transparent);
}
.cta__title .char { color: var(--tx-hi); }
.cta p { color: var(--tx-mid); font-size: var(--t-md); }
.cta .hero__actions { justify-content: center; }

/* ---- Toolbar / segmented control ---------------------------------------- */
.seg {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  background: color-mix(in oklab, var(--ink-900) 60%, transparent);
}
.seg button {
  padding: 0.5em 1em;
  border-radius: var(--r-full);
  font-size: var(--t-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tx-lo);
  transition: color var(--d-fast) var(--e-swift), background var(--d-fast) var(--e-swift);
}
.seg button[aria-pressed="true"] {
  color: var(--ink-1000);
  background: var(--cy-500);
}
.seg button:hover:not([aria-pressed="true"]) { color: var(--tx-hi); }