/* FidelonX — shared design system.
   Themes: fx (company, warm paper) · sq (SiteQura, amber/field) · fl (Fidel Labs, dark/teal).
   Amber = the physical world. Teal = intelligence + digital systems. */

:root {
  --serif: 'Inter', system-ui, -apple-system, sans-serif;
  --code: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: var(--sans);

  --amber: #b45309;
  --amber-hi: #f59e0b;
  --teal: #4f46e5;
  --teal-hi: #6467f2;

  --bg: #ffffff;
  --bg-2: #f6f6fa;
  --ink: #0b1020;
  --mute: #515a6b;
  --faint: #6b7280;
  --line: #e6e7ee;
  --card: #ffffff;
  --accent: var(--amber);
  --accent-2: var(--teal);
  --hdr-bg: rgba(255, 255, 255, .88);

  --max: 1200px;
  --gut: clamp(20px, 5vw, 56px);
  --sec: clamp(88px, 12vw, 168px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

[data-theme="sq"] { --bg: #fbf7ee; --bg-2: #f4ecda; --card: #fffdf7; --line: #e6dcc2; --faint: #7a6e50; --hdr-bg: rgba(251, 247, 238, .9); }

[data-theme="fl"] { --bg: #ffffff; --bg-2: #f5f5ff; --card: #ffffff; --line: #e2e3f6; --accent: var(--teal); --accent-2: var(--amber); --hdr-bg: rgba(255, 255, 255, .9); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.sec { padding: var(--sec) 0; position: relative; }
.sec + .sec.rule, .rule { border-top: 1px solid var(--line); }
.mono { font-family: var(--mono); }

/* ---------- type ---------- */
.eyebrow { display: inline-block; font: 600 12.5px/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.eyebrow.teal { color: var(--teal); }
.eyebrow.amber { color: var(--amber); }
.display { font: 600 clamp(38px, 6vw, 84px)/1.08 var(--serif); letter-spacing: -.035em; text-wrap: balance; }
.h2 { font: 600 clamp(28px, 3.8vw, 48px)/1.08 var(--serif); letter-spacing: -.03em; text-wrap: balance; }
.h3 { font: 600 clamp(22px, 2.4vw, 30px)/1.1 var(--serif); letter-spacing: -.015em; text-wrap: balance; }
.display em, .h2 em, .h3 em { font-style: normal; color: var(--accent); }
.lede { font-size: clamp(17px, 1.5vw, 20px); line-height: 1.55; color: var(--mute); max-width: 56ch; text-wrap: pretty; }
.body { color: var(--mute); max-width: 60ch; text-wrap: pretty; }
.body + .body { margin-top: 1em; }
.label { font: 500 11px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.tag { display: inline-block; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: 5px 8px; border: 1px solid var(--line); border-radius: 4px; color: var(--mute); }
.tag.acc { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }

.stack > * + * { margin-top: var(--s, 24px); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 8px; font: 500 14px/1 var(--sans); border: 1px solid var(--ink); background: var(--ink); color: var(--bg); cursor: pointer; transition: transform .25s var(--ease), background .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-1px); }
.btn .ar { transition: transform .25s var(--ease); }
.btn:hover .ar { transform: translateX(3px); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); }
[data-theme="fl"] .btn:not(.ghost) { background: var(--teal-hi); border-color: var(--teal-hi); color: #fff; }
[data-theme="sq"] .btn:not(.ghost) { background: var(--amber); border-color: var(--amber); color: #fff; }
.btn.sm { padding: 9px 16px; font-size: 13px; }
.link { display: inline-flex; gap: 8px; align-items: center; font: 500 13px/1 var(--mono); color: var(--accent); border-bottom: 1px solid transparent; padding-bottom: 3px; transition: border-color .2s; }
.link:hover { border-color: currentColor; }

/* ---------- header ---------- */
.hdr { position: fixed; inset: 0 0 auto 0; z-index: 60; border-bottom: 1px solid var(--line); }
.hdr::before { content: ''; position: absolute; inset: 0; z-index: -1; background: var(--hdr-bg); backdrop-filter: saturate(1.4) blur(16px); -webkit-backdrop-filter: saturate(1.4) blur(16px); }
.hdr-in { height: 68px; display: flex; align-items: center; gap: 28px; }
.logo { font: 700 20px/1 var(--sans); letter-spacing: -.02em; display: inline-flex; flex-direction: column; }
.logo b { color: #d97706; font-weight: 800; }
.logo i { display: block; height: 2px; margin-top: 4px; background: linear-gradient(90deg, #d97706, #f59e0b, transparent); }
.crumb { font: 500 12px/1 var(--mono); color: var(--faint); display: flex; align-items: center; gap: 10px; }
.crumb strong { color: var(--ink); font-weight: 600; }
.crumb::before { content: ''; width: 1px; height: 18px; background: var(--line); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; font-size: 14px; }
.nav > a, .dd > button { background: none; border: 0; color: var(--mute); font: 500 14px/1 var(--sans); padding: 10px 14px; border-radius: 8px; cursor: pointer; transition: color .2s; display: flex; gap: 6px; align-items: center; }
.nav > a:hover, .dd:hover > button, .dd.open > button, .nav > a.cur, .dd.cur > button { color: var(--ink); }
.dd { position: relative; }
.dd > button::after { content: ''; width: 5px; height: 5px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); opacity: .6; }
.dd-menu { position: absolute; top: calc(100% + 8px); left: 0; min-width: 300px; padding: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .25); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s var(--ease); }
.dd:hover .dd-menu, .dd:focus-within .dd-menu, .dd.open .dd-menu { opacity: 1; visibility: visible; transform: none; }
.dd-menu a { display: block; padding: 14px 16px; border-radius: 10px; }
.dd-menu a:hover { background: var(--bg-2); }
.dd-menu strong { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; }
.dd-menu strong::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--dot); }
.dd-menu span { display: block; margin-top: 4px; font-size: 13px; color: var(--mute); line-height: 1.45; }
.dd-menu .grp { padding: 10px 16px 4px; }
.burger { display: none; margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: none; color: var(--ink); cursor: pointer; position: relative; }
.burger i { position: absolute; left: 12px; right: 12px; height: 1.5px; background: currentColor; transition: .25s var(--ease); }
.burger i:first-child { top: 15px; } .burger i:last-child { top: 23px; }
.menu-open .burger i:first-child { top: 19px; transform: rotate(45deg); } .menu-open .burger i:last-child { top: 19px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .burger { display: block; }
  .hdr-cta { display: none; }
  .nav { position: fixed; inset: 68px 0 0 0; margin: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px var(--gut) 40px; background: var(--bg); overflow: auto; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .25s var(--ease); }
  .menu-open .nav { transform: none; opacity: 1; visibility: visible; }
  .nav > a, .dd > button { font: 600 28px/1.2 var(--serif); color: var(--ink); padding: 18px 0; border-bottom: 1px solid var(--line); border-radius: 0; width: 100%; justify-content: space-between; }
  .dd > button::after { display: none; }
  .dd-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: none; padding: 0; min-width: 0; }
  .dd-menu a { padding: 14px 0 14px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .dd-menu a:hover { background: none; }
  .crumb { display: none; }
}

main { padding-top: 68px; }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }
.no-js .rv, .reduce .rv { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.hero { padding: clamp(72px, 11vw, 150px) 0 clamp(48px, 6vw, 80px); overflow: hidden; }
.hero .display { max-width: 17ch; }
.hero .lede { margin-top: 32px; max-width: 48ch; }
.hero .cta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }
.viz { margin-top: clamp(56px, 8vw, 104px); }
.viz svg { width: 100%; height: auto; overflow: visible; }
.viz .ln { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s var(--ease); transition-delay: var(--d, 0s); }
.viz.in .ln { stroke-dashoffset: 0; }
.viz .nd { opacity: 0; transition: opacity .6s; transition-delay: var(--d, 0s); }
.viz.in .nd { opacity: 1; }

@keyframes pulse { 0%, 100% { opacity: .35 } 50% { opacity: 1 } }
.viz text { font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; fill: var(--faint); }

/* ---------- statement ---------- */
.statement { font: 600 clamp(24px, 3.2vw, 40px)/1.12 var(--serif); letter-spacing: -.02em; max-width: 24ch; text-wrap: balance; }
.statement .a { color: var(--amber); } .statement .t { color: var(--teal); }
.statement { letter-spacing: -.03em; }
.split { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.split.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 860px) { .split, .split.even { grid-template-columns: 1fr; } }
.sec-head { display: grid; gap: 24px; margin-bottom: clamp(48px, 6vw, 88px); }

/* ---------- two worlds ---------- */
.worlds { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; }
.world { padding: clamp(28px, 4vw, 56px) clamp(0px, 2vw, 40px) clamp(28px, 4vw, 56px) 0; }
.world + .world { padding: clamp(28px, 4vw, 56px) 0 clamp(28px, 4vw, 56px) clamp(24px, 4vw, 56px); border-left: 1px solid var(--line); }
.world h3 { margin: 18px 0 16px; }
.world ul { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.world li { font: 500 12px/1 var(--mono); padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--mute); }
.world.phys .eyebrow::before { background: var(--amber-hi); } .world.phys h3 em { color: var(--amber); }
.world.dig .eyebrow::before { background: var(--teal-hi); } .world.dig h3 em { color: var(--teal); }
.worlds-foot { margin-top: 36px; display: flex; gap: 16px; align-items: center; font: 500 13px/1.4 var(--mono); color: var(--mute); }
.worlds-foot::before { content: ''; flex: 0 0 56px; height: 1px; background: linear-gradient(90deg, var(--amber-hi), var(--teal-hi)); }
@media (max-width: 760px) { .worlds { grid-template-columns: 1fr; } .world, .world + .world { padding: 32px 0; border-left: 0; } .world + .world { border-top: 1px solid var(--line); } }

/* ---------- layers (home) ---------- */
.layers { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.layer { background: var(--bg); padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; gap: 18px; min-height: 280px; }
.layer h3 { margin-top: auto; }
.layer .n { font: 500 12px var(--mono); color: var(--faint); }
@media (max-width: 760px) { .layers { grid-template-columns: 1fr; } .layer { min-height: 0; } .layer h3 { margin-top: 12px; } }

/* ---------- product feature panels ---------- */
.prod { border-radius: 16px; padding: clamp(28px, 5vw, 72px); position: relative; overflow: hidden; }
.prod.sq { background: #faf3e0; color: #1a1408; --ink: #1a1408; --mute: #5d5136; --faint: #8b7d5a; --line: #e5d8b4; --accent: #b45309; }
.prod.fl { background: #f2f2fe; color: #0b1020; --ink: #0b1020; --mute: #515a6b; --faint: #6b7280; --line: #d9dbf7; --accent: #4f46e5; }
.prod .head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: clamp(28px, 4vw, 48px); }
.prod .split { align-items: center; }
.plist { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 0; }
.plist li { padding: 14px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 34px 1fr; gap: 6px; font-size: 15px; color: var(--mute); }
.plist li:last-child { border-bottom: 1px solid var(--line); }
.plist li b { color: var(--ink); font-weight: 500; }
.plist li span.i { font: 500 11px/1.9 var(--mono); color: var(--accent); }

/* ---------- panels (evidence / terminal) ---------- */
.panel { background: #0f172a; color: #e2e8f0; border: 1px solid #1e293b; border-radius: 12px; overflow: hidden; font: 400 12.5px/1.65 var(--code); box-shadow: 0 30px 80px -30px rgba(15, 23, 42, .5); text-align: left; }
.panel-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 18px; background: rgba(30, 41, 59, .7); border-bottom: 1px solid #1e293b; font-size: 11px; color: #94a1af; flex-wrap: wrap; }
.panel-top b { color: #fff; font-weight: 600; letter-spacing: .04em; display: flex; align-items: center; gap: 8px; }
.panel-top b::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--amber-hi); }
.panel.tl .panel-top b::before { background: var(--teal-hi); }
.panel-body { padding: 18px; display: grid; gap: 4px; overflow-x: auto; }
.panel .kv { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.panel .k { color: #7a8797; } .panel .ok { color: #34d399; font-weight: 600; } .panel .am { color: #fbbf24; } .panel .tl-c { color: #a5b4fc; } .panel .dim { color: #66727f; }
.panel hr { border: 0; border-top: 1px dashed #263244; margin: 10px 0; width: 100%; }
.panel-foot { padding: 10px 18px; border-top: 1px solid #1e293b; font-size: 10.5px; color: #66727f; letter-spacing: .08em; text-transform: uppercase; }
.term .panel-body { min-height: 236px; align-content: start; }
.term .ln-t { opacity: 0; transform: translateY(4px); transition: .35s var(--ease); white-space: pre-wrap; word-break: break-word; }
.term .ln-t.on { opacity: 1; transform: none; }

/* ---------- architecture (connect) ---------- */
.arch { display: grid; gap: 0; justify-items: stretch; --lc: var(--faint); }
.arch .row { display: grid; grid-template-columns: 1fr 120px 1fr; align-items: stretch; }
.anode { display: block; padding: 28px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); transition: transform .35s var(--ease), border-color .3s; }
.anode:hover { transform: translateY(-3px); }
.anode .label { display: block; margin-bottom: 14px; }
.anode b { display: block; font: 600 clamp(30px, 3.4vw, 44px)/1.08 var(--serif); letter-spacing: -.02em; }
.anode p { margin-top: 12px; font-size: 14.5px; color: var(--mute); }
.anode.sq { border-color: color-mix(in srgb, var(--amber-hi) 50%, var(--line)); } .anode.sq b { color: var(--amber); }
.anode.fl { background: #f2f2fe; border-color: #c7c9fa; } .anode.fl b { color: var(--teal); }
.bridge { position: relative; display: flex; align-items: center; justify-content: center; }
.bridge::before { content: ''; position: absolute; left: 0; right: 0; top: 50%; border-top: 1.5px dashed var(--teal-hi); transform-origin: right; transform: scaleX(0); transition: transform .9s var(--ease) 1.2s; }
.arch.in .bridge::before { transform: none; }
.bridge span { position: relative; background: var(--bg); padding: 6px 4px; font: 500 10px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--teal); text-align: center; opacity: 0; transition: opacity .6s 1.8s; }
.arch.in .bridge span { opacity: 1; }
.arch-note { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.arch-note .body { color: var(--ink); font: 600 clamp(22px, 2.4vw, 30px)/1.25 var(--serif); }
.arch-note .body span.a { color: var(--amber); } .arch-note .body span.t { color: var(--teal); }
@media (max-width: 820px) {
    .arch .row { margin-top: 28px; }   .bridge { height: 72px; } .bridge::before { left: 50%; right: auto; top: 0; bottom: 0; border-top: 0; border-left: 1.5px dashed var(--teal-hi); transform-origin: top; transform: scaleY(0); } .arch.in .bridge::before { transform: none; }
  .bridge span { padding: 6px 10px; }
    .arch-note { grid-template-columns: 1fr; }
}

/* ---------- principles / rows ---------- */
.rows { border-top: 1px solid var(--line); }
.row-i { display: grid; grid-template-columns: 64px 4fr 6fr; gap: clamp(16px, 3vw, 48px); padding: clamp(28px, 3.4vw, 44px) 0; border-bottom: 1px solid var(--line); align-items: start; transition: background .3s; }
.row-i .n { font: 500 12px/2.2 var(--mono); color: var(--faint); }
.row-i h3 { font: 600 clamp(24px, 2.6vw, 34px)/1.12 var(--serif); letter-spacing: -.015em; }
.row-i p { color: var(--mute); max-width: 56ch; }
.row-i p .m { font-family: var(--mono); font-size: .86em; color: var(--ink); }
@media (max-width: 760px) { .row-i { grid-template-columns: 1fr; gap: 10px; } .row-i .n { line-height: 1; } }

/* ---------- flow (fidel labs stack) ---------- */
.flow { display: grid; gap: 0; position: relative; }
.flow .step { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding-bottom: 36px; position: relative; }
.flow .step:last-child { padding-bottom: 0; }
.flow .step::before { content: ''; position: absolute; left: 27px; top: 44px; bottom: 0; width: 1px; background: linear-gradient(var(--teal-hi), var(--line)); transform-origin: top; transform: scaleY(0); transition: transform .9s var(--ease); transition-delay: var(--d, 0s); }
.flow .step:last-child::before { display: none; }
.flow.in .step::before { transform: none; }
.flow .dot { width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font: 500 12px var(--mono); color: var(--accent); background: var(--bg); position: relative; z-index: 1; }
.flow h4 { font: 600 26px/1.1 var(--serif); margin: 8px 0 8px; }
.flow p { color: var(--mute); max-width: 54ch; font-size: 15px; }
.flow .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chips span { font: 500 11px/1 var(--mono); padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--mute); }

/* ---------- SiteQura specifics ---------- */
.strike { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 0; }
.strike li { padding: 18px 0; border-top: 1px solid var(--line); display: flex; gap: 18px; align-items: baseline; color: var(--mute); font-size: 17px; }
.strike li:last-child { border-bottom: 1px solid var(--line); }
.strike li i { font: 500 11px var(--mono); color: var(--faint); font-style: normal; flex: 0 0 34px; }
.strike li s { text-decoration-color: var(--amber-hi); text-decoration-thickness: 1.5px; }
.timeline { position: relative; margin-top: 8px; }
.tl-track { display: grid; grid-template-columns: 1fr 2.4fr 1.4fr; gap: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--card); }
.tl-seg { padding: 22px 20px; min-height: 150px; display: flex; flex-direction: column; gap: 8px; }
.tl-seg + .tl-seg { border-left: 1px solid var(--line); }
.tl-seg.dead { background: repeating-linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--amber-hi) 14%, transparent) 9px 10px); }
.tl-seg b { font: 600 22px/1.1 var(--serif); }
.tl-seg p { font-size: 13.5px; color: var(--mute); }
.tl-bar { height: 3px; margin-top: auto; background: var(--line); border-radius: 3px; overflow: hidden; }
.tl-bar i { display: block; height: 100%; width: 0; background: var(--amber-hi); transition: width 1.6s var(--ease); transition-delay: var(--d, 0s); }
.timeline.in .tl-bar i { width: 100%; }
@media (max-width: 760px) { .tl-track { grid-template-columns: 1fr; } .tl-seg + .tl-seg { border-left: 0; border-top: 1px solid var(--line); } .tl-seg { min-height: 0; } }
.gate { width: 100%; border-collapse: collapse; font: 400 12.5px var(--code); }
.gate th { text-align: left; font-weight: 500; color: #7a8797; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; padding: 0 12px 10px 0; }
.gate td { padding: 11px 12px 11px 0; border-top: 1px solid #1e293b; }
.gate .ok { color: #34d399; } .gate .no { color: #f87171; } .gate .mid { color: #fbbf24; }
.outcomes { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.outcome { padding: 32px 28px 40px 0; border-bottom: 1px solid var(--line); }
.outcome + .outcome { padding-left: 28px; border-left: 1px solid var(--line); }
.outcome:nth-child(n+4) { border-top: 0; }
.outcome h4 { font: 600 26px/1.12 var(--serif); margin: 14px 0 10px; }
.outcome p { font-size: 14.5px; color: var(--mute); }
@media (max-width: 860px) { .outcomes { grid-template-columns: 1fr; } .outcome, .outcome + .outcome { padding: 28px 0; border-left: 0; } }
.scope { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.scope span { font: 500 13px/1 var(--mono); padding: 11px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--card); }
.ill { margin-top: 14px; font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }

/* ---------- next-product strip ---------- */
.next { display: block; padding: clamp(48px, 7vw, 96px) 0; border-top: 1px solid var(--line); }
.next .wrap { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.next .h2 { transition: color .3s; }
.next:hover .h2 em { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 8px; }

/* ---------- contact + footer ---------- */
.contact-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
form.f { display: grid; gap: 18px; }
.f label { display: grid; gap: 8px; font: 500 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.f input, .f textarea, .f select { font: 400 16px/1.4 var(--sans); padding: 14px 0; background: transparent; color: var(--ink); border: 0; border-bottom: 1px solid var(--line); border-radius: 0; outline: none; transition: border-color .2s; letter-spacing: 0; text-transform: none; }
.f input:focus, .f textarea:focus { border-color: var(--ink); }
.f textarea { resize: vertical; min-height: 96px; }
.f .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .f .row2 { grid-template-columns: 1fr; } }
.f .done { font: 500 12px var(--mono); color: var(--teal); }
.ftr { border-top: 1px solid var(--line); padding: 56px 0 36px; }
.ftr-top { display: grid; grid-template-columns: 5fr 2fr 2fr 3fr; gap: 32px; }
.ftr h5 { margin: 0 0 14px; font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.ftr a, .ftr p { display: block; font-size: 14px; color: var(--mute); padding: 4px 0; }
.ftr a:hover { color: var(--ink); }
.ftr-bot { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font: 400 12px var(--mono); color: var(--faint); }
@media (max-width: 860px) { .ftr-top { grid-template-columns: 1fr 1fr; } .ftr-top > :first-child { grid-column: 1 / -1; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .viz .ln, .viz .nd, .arch *, .flow .step::before, .tl-bar i { transition: none !important; }
  .viz .ln { stroke-dashoffset: 0; } .viz .nd { opacity: 1; }   .flow .step::before { transform: none; } .tl-bar i { width: 100%; }
  .pulse, .panel-top b::before { animation: none; }
}

@media (max-width: 700px) {
  .viz text { font-size: 24px; letter-spacing: .06em; }
  .viz svg { transform: scale(1); }
}

/* Fidel Labs terminal: light variant */
.panel.tl { background: #fff; color: #1e2233; border-color: #d9dbf7; box-shadow: 0 24px 50px -30px rgba(79, 70, 229, .35); }
.panel.tl .panel-top { background: #f6f6ff; border-color: #e3e4f5; color: #515a6b; }
.panel.tl .panel-top b { color: #0b1020; } .panel.tl .panel-top b::before { background: #6467f2; }
.panel.tl .k, .panel.tl .dim { color: #6b7280; } .panel.tl .am { color: #b45309; } .panel.tl .ok { color: #047857; } .panel.tl .tl-c { color: #4f46e5; font-weight: 600; }
.panel.tl .panel-foot { border-color: #e3e4f5; color: #6b7280; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.f .done.err { color: #b42318; }
.f .done.err a { text-decoration: underline; }
.f button:disabled { opacity: .6; cursor: wait; }

/* ---------- long-form text (privacy) ---------- */
.prose { max-width: 720px; }
.prose h2 { font: 600 22px/1.3 var(--sans); letter-spacing: -.02em; margin: 44px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--mute); }
.prose p + p, .prose ul + p, .prose p + ul { margin-top: 14px; }
.prose ul { padding-left: 20px; margin: 12px 0 0; }
.prose li { margin: 8px 0; padding-left: 4px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.f .consent { font: 400 13px/1.5 var(--sans); color: var(--faint); letter-spacing: 0; text-transform: none; }
.f .consent a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }