/* ============================================================
   Maverick Intelligence, shared design system
   Locked: teal (#14B8A6) master brand + Arbiter accent
           indigo (#6366F1) Horizon accent
           amber, semantic warning only, never thematic
           near-black graphite base, dark mode primary
           Inter throughout, mono reserved for identifiers
           No em dashes, anywhere, ever.
   ============================================================ */

:root {
  --bg: #0B0C0E;
  --bg-2: #0E1013;
  --surface: #131519;
  --surface-2: #1A1D22;
  --ink: #EDEEF0;
  --ink-dim: #9AA0A6;
  --ink-faint: #565B61;
  --hair: rgba(237, 238, 240, 0.08);
  --hair-strong: rgba(237, 238, 240, 0.16);

  --teal: #14B8A6;
  --teal-deep: #0D9488;
  --teal-glow: rgba(20, 184, 166, 0.4);

  --indigo: #6366F1;
  --indigo-deep: #4F46E5;
  --indigo-glow: rgba(99, 102, 241, 0.4);

  --warn: #F59E0B;

  --display: 'Inter', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --edge: 1360px;
  --gut: clamp(20px, 5vw, 76px);
}

html[data-theme="light"] {
  --bg: #F7F7F5;
  --bg-2: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #F0F1EF;
  --ink: #14161A;
  --ink-dim: #565B61;
  --ink-faint: #8A8F94;
  --hair: rgba(20, 22, 26, 0.09);
  --hair-strong: rgba(20, 22, 26, 0.18);
  --teal-glow: rgba(20, 184, 166, 0.22);
  --indigo-glow: rgba(99, 102, 241, 0.22);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .3s, color .3s;
}
::selection { background: var(--teal); color: #05100E; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--edge); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }
.section { padding: clamp(80px, 11vh, 150px) 0; position: relative; }
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--indigo-deep) 30%, var(--teal-deep) 70%, transparent);
  opacity: .5; max-width: var(--edge); margin: 0 auto;
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; }

.eyebrow {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-dim); display: inline-flex; align-items: center; gap: .7em;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--indigo), var(--teal)); }
.eyebrow.te::before { background: var(--teal); }
.eyebrow.in::before { background: var(--indigo); }

.btn {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .04em; padding: .85em 1.5em;
  border-radius: 3px; border: 1px solid var(--hair-strong); color: var(--ink); background: transparent;
  cursor: pointer; transition: border-color .25s, transform .1s, box-shadow .25s;
  display: inline-flex; align-items: center; gap: .6em;
}
.btn:hover { border-color: var(--ink-dim); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(100deg, var(--teal), var(--teal-deep)); border-color: transparent; color: #04120F; font-weight: 600; }
.btn-primary:hover { box-shadow: 0 0 26px var(--teal-glow); }
.btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

/* ---------- nav ---------- */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s;
}
nav.scrolled { border-bottom: 1px solid var(--hair); background: color-mix(in srgb, var(--bg) 92%, transparent); }
.nav-in { max-width: var(--edge); margin: 0 auto; padding: 1.05rem var(--gut); display: flex; align-items: center; justify-content: space-between; gap: 1.6rem; }
.brand { font-family: var(--display); font-weight: 700; font-size: 1.03rem; letter-spacing: -.01em; display: flex; align-items: center; gap: .6em; }
.brand .mk-img { width: 26px; height: 26px; object-fit: contain; flex: none; }
.nav-links { display: flex; align-items: center; gap: 1.8rem; font-size: .85rem; color: var(--ink-dim); position: relative; }
.nav-links a { transition: color .2s; padding: .3rem 0; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-drop { position: relative; }
.nav-drop-panel {
  position: absolute; top: 130%; left: -1rem; min-width: 220px; background: var(--surface);
  border: 1px solid var(--hair); border-radius: 6px; padding: .5rem; opacity: 0; visibility: hidden;
  transform: translateY(-6px); transition: opacity .18s, transform .18s, visibility .18s;
}
.nav-drop:hover .nav-drop-panel, .nav-drop:focus-within .nav-drop-panel { opacity: 1; visibility: visible; transform: none; }
.nav-drop-panel a { display: block; padding: .55rem .7rem; border-radius: 4px; font-size: .84rem; }
.nav-drop-panel a:hover { background: var(--surface-2); }
.nav-cta { display: flex; align-items: center; gap: .9rem; }
.theme-toggle { background: none; border: 1px solid var(--hair-strong); color: var(--ink-dim); border-radius: 50%; width: 34px; height: 34px; display: grid; place-items: center; cursor: pointer; transition: border-color .2s, color .2s; }
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-dim); }
.nav-toggle { display: none; background: none; border: none; color: var(--ink); cursor: pointer; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99; background: var(--bg); display: none;
  flex-direction: column; padding: 100px var(--gut) 40px; gap: 1.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-family: var(--display); font-size: 1.4rem; font-weight: 600; }
.mobile-menu .sub { padding-left: 1rem; display: flex; flex-direction: column; gap: .9rem; margin-top: -.6rem; }
.mobile-menu .sub a { font-size: 1rem; color: var(--ink-dim); font-weight: 400; }

/* ---------- hero (generic, reused per page) ---------- */
.page-hero { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; padding-top: 110px; position: relative; overflow: hidden; }
.page-hero.tall { min-height: 92vh; }
.grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--hair) 1px, transparent 1px), linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 25%, transparent 75%);
  opacity: .55;
}
.hero-glow { position: absolute; pointer-events: none; z-index: 0; width: 900px; height: 900px; left: 50%; top: 50%; transform: translate(-50%,-50%); filter: blur(20px); }
.hero-glow.dual { background: radial-gradient(circle at 30% 50%, var(--indigo-glow), transparent 55%), radial-gradient(circle at 70% 50%, var(--teal-glow), transparent 55%); opacity: .5; }
.page-hero h1 { font-size: clamp(2.4rem, 6.6vw, 4.6rem); position: relative; z-index: 2; }
.page-hero .sub { max-width: 620px; color: var(--ink-dim); margin-top: 1.5rem; font-size: clamp(1rem, 1.4vw, 1.15rem); position: relative; z-index: 2; }
.hero-cta { display: flex; gap: 1rem; margin-top: 2.2rem; flex-wrap: wrap; position: relative; z-index: 2; }
.hero-in { position: relative; z-index: 2; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); filter: blur(5px); transition: opacity .7s ease, transform .7s ease, filter .7s ease; }
.reveal.in { opacity: 1; transform: none; filter: none; }

/* ---------- cards / grids ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.card {
  border: 1px solid var(--hair); border-radius: 6px; padding: 1.6rem 1.4rem; background: var(--surface);
  transition: border-color .25s, transform .25s; position: relative; overflow: hidden;
}
.card:hover { border-color: var(--hair-strong); transform: translateY(-3px); }
.card .k { font-family: var(--mono); font-size: .66rem; color: var(--ink-faint); letter-spacing: .14em; }
.card h3 { font-size: 1.12rem; margin-top: .7rem; font-weight: 600; letter-spacing: -.01em; }
.card p { color: var(--ink-dim); margin-top: .6rem; font-size: .92rem; }
.card::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; transform: scaleX(0); transform-origin: left; transition: transform .3s; background: linear-gradient(90deg, var(--indigo), var(--teal)); }
.card:hover::after { transform: scaleX(1); }
.card.link-card { cursor: pointer; }

.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 44px); }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 56px); align-items: center; }
@media (max-width: 880px) { .cols3, .cols2 { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px,2vw,30px); margin-top: 2.6rem; }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; gap: 22px; } }
.step { border-top: 1px solid var(--hair-strong); padding-top: 1.3rem; position: relative; }
.step .no { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; color: var(--ink-faint); }
.step h3 { font-size: 1.35rem; margin-top: .7rem; }
.step p { color: var(--ink-dim); margin-top: .6rem; font-size: .94rem; }
.step::after { content: ""; position: absolute; left: 0; top: -1px; width: 38%; height: 1px; }
.step:nth-child(1)::after { background: var(--indigo); }
.step:nth-child(2)::after { background: linear-gradient(90deg, var(--indigo), var(--teal)); width: 100%; }
.step:nth-child(3)::after { background: var(--teal); left: auto; right: 0; }

/* ---------- arbiter graph ---------- */
.graph-frame { border: 1px solid var(--hair); border-radius: 6px; background: var(--surface); position: relative; overflow: hidden; aspect-ratio: 1 / .82; }
.graph-frame::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--teal), var(--teal-deep)); }
.graph-tag { position: absolute; top: 12px; left: 14px; font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-dim); z-index: 2; }
svg.graph { width: 100%; height: 100%; display: block; }
.edge-line { stroke: var(--teal-deep); stroke-width: 1; fill: none; opacity: .15; }
.edge-line.active { animation: pulseEdge 2.4s ease-in-out infinite; }
@keyframes pulseEdge { 0%,100%{opacity:.12;} 50%{opacity:.75; stroke:var(--teal);} }
.node { fill: var(--bg-2); stroke: var(--teal-deep); stroke-width: 1.2; }
.node.lit { animation: litNode 2.4s ease-in-out infinite; }
@keyframes litNode { 0%,100%{fill:var(--bg-2); stroke:var(--teal-deep);} 50%{fill:rgba(20,184,166,.25); stroke:var(--teal);} }
.node-label { fill: var(--ink-dim); font-family: var(--mono); font-size: 8px; letter-spacing: .04em; }
.core { fill: rgba(20,184,166,.1); stroke: var(--teal); stroke-width: 1.5; }
.core.decide { animation: coreDecide 2.4s ease-in-out infinite; }
@keyframes coreDecide { 0%,100%{r:30;} 50%{r:34;} }
.core-text { fill: var(--teal); font-family: var(--mono); font-size: 9.5px; text-anchor: middle; letter-spacing: .06em; }
.verdict { fill: var(--ink); font-family: var(--mono); font-size: 6.6px; text-anchor: middle; opacity: 0; }
.verdict.show { animation: verdictShow 2.4s ease-in-out infinite; }
@keyframes verdictShow { 0%,40%{opacity:0;} 60%,90%{opacity:1;} 100%{opacity:0;} }

/* ---------- module picker (Horizon) ---------- */
.picker { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(18px,3vw,44px); align-items: stretch; }
@media (max-width: 880px) { .picker { grid-template-columns: 1fr; } }
.modules { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .modules { grid-template-columns: 1fr; } }
.mod {
  text-align: left; cursor: pointer; user-select: none; background: var(--surface); border: 1px solid var(--hair);
  border-radius: 5px; padding: 1rem 1.05rem; color: var(--ink); font-family: var(--body); font-size: .92rem;
  transition: border-color .2s, background .2s; display: flex; align-items: center; justify-content: space-between; gap: .7em;
}
.mod:hover { border-color: color-mix(in srgb, var(--indigo) 50%, var(--hair-strong)); }
.mod .plus { font-family: var(--mono); font-size: 1.05rem; color: var(--ink-faint); width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid var(--hair-strong); border-radius: 50%; flex: none; transition: .2s; }
.mod.on { border-color: var(--indigo); background: color-mix(in srgb, var(--indigo) 8%, var(--surface)); }
.mod.on .plus { background: var(--indigo); color: #fff; border-color: var(--indigo); transform: rotate(45deg); }

.assembled { background: var(--surface); border: 1px solid var(--hair); border-radius: 6px; padding: 1.5rem; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.assembled::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--indigo), var(--indigo-deep)); }
.assembled .head { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-dim); display: flex; justify-content: space-between; }
.assembled .count { color: var(--indigo); }
.stack { margin-top: 1.1rem; flex: 1; display: flex; flex-direction: column; gap: 8px; min-height: 190px; }
.slot { font-family: var(--mono); font-size: .76rem; padding: .5rem .68rem; border-radius: 3px; border-left: 2px solid var(--indigo); background: color-mix(in srgb, var(--indigo) 8%, transparent); display: flex; align-items: center; gap: .6em; animation: slotIn .35s ease; }
@keyframes slotIn { from{opacity:0; transform:translateX(-8px);} to{opacity:1; transform:none;} }
.stack-empty { color: var(--ink-faint); font-size: .84rem; font-family: var(--mono); align-self: center; margin: auto; text-align: center; line-height: 1.7; }
.assembled .foot { margin-top: 1.1rem; padding-top: .9rem; border-top: 1px solid var(--hair); font-size: .8rem; color: var(--ink-dim); }
.assembled .foot b { color: var(--ink); font-weight: 600; }

/* ---------- forms (Contact) ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-dim); }
.field input, .field select, .field textarea {
  background: var(--surface); border: 1px solid var(--hair-strong); border-radius: 4px; padding: .8rem .9rem;
  color: var(--ink); font-family: var(--body); font-size: .94rem; outline: none; transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); }
.field textarea { resize: vertical; min-height: 110px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--hair); padding: 3.2rem 0 2.6rem; }
.foot-in { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; }
.foot-sig { font-family: var(--display); font-size: 1.25rem; font-weight: 700; }
.foot-sig .in { color: var(--indigo); } .foot-sig .te { color: var(--teal); }
.foot-cols { display: flex; gap: clamp(26px,5vw,64px); flex-wrap: wrap; }
.foot-col h4 { font-family: var(--mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .85rem; font-weight: 500; }
.foot-col a { display: block; color: var(--ink-dim); font-size: .87rem; margin-bottom: .5rem; transition: color .2s; }
.foot-col a:hover { color: var(--ink); }
.foot-base { margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--hair); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; color: var(--ink-faint); }

/* cursor glow */
.cursor-glow { position: fixed; width: 460px; height: 460px; border-radius: 50%; pointer-events: none; z-index: 1; transform: translate(-50%,-50%); background: radial-gradient(circle, rgba(99,102,241,.05), transparent 62%); opacity: 0; transition: opacity .4s; mix-blend-mode: screen; }
html[data-theme="light"] .cursor-glow { display: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
}