/* Fuelbot site - shared styles (landing + whitepaper). Dark brand, amber fuel accent. */
:root {
  --ink: #07080a;
  --bg: #0a0b0d;
  --panel: rgba(22, 25, 31, 0.72);
  --panel-solid: #14171c;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #eceae4;
  --muted: #a4a298;
  --faint: #6b6a63;
  --fuel: #f5b83d;
  --fuel-hot: #ff8a3d;
  --fuel-soft: rgba(245, 184, 61, 0.14);
  --live: #4ade80;
  --empty: #f87171;
  --violet: #9085e9;
  --radius: 18px;
  --display: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--fuel); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
::selection { background: var(--fuel); color: var(--ink); }

/* Backdrop: glow + grid + grain, fixed behind everything */
.backdrop { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.backdrop::before {
  content: ""; position: absolute; inset: -20%;
  background:
    radial-gradient(40% 35% at 78% 12%, rgba(245, 184, 61, 0.16), transparent 70%),
    radial-gradient(30% 30% at 8% 60%, rgba(144, 133, 233, 0.08), transparent 70%),
    radial-gradient(35% 30% at 60% 100%, rgba(255, 138, 61, 0.08), transparent 70%);
  animation: drift 26s ease-in-out infinite alternate;
}
.backdrop::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
}
@keyframes drift { to { transform: translate3d(-4%, 3%, 0) scale(1.06); } }
.grain { position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(10, 11, 13, 0.62); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 22px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font: 700 19px var(--display); letter-spacing: -.3px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.brand .tk { font: 600 12px var(--mono); color: var(--fuel); padding: 2px 7px; border: 1px solid rgba(245, 184, 61, .35); border-radius: 999px; }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { color: var(--muted); font-size: 14px; }
.nav nav a:hover { color: var(--text); text-decoration: none; }
@media (max-width: 860px) { .nav nav { display: none; } .nav .wrap { justify-content: space-between; } }
@media (max-width: 440px) {
  .nav .wrap { gap: 10px; padding: 0 16px; }
  .brand .tk { display: none; }
  .nav .btn.small { padding: 7px 12px; font-size: 12px; }
  .wrap { padding: 0 16px; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 999px; font: 600 15px var(--display);
  border: 1px solid var(--line-2); color: var(--text); background: rgba(255, 255, 255, .03); cursor: pointer; transition: transform .2s, border-color .2s, background .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); border-color: var(--fuel); text-decoration: none; }
.btn.primary { background: linear-gradient(135deg, var(--fuel), var(--fuel-hot)); color: #1a1205; border-color: transparent; box-shadow: 0 10px 30px -10px rgba(245, 184, 61, .6); }
.btn.primary:hover { box-shadow: 0 14px 40px -10px rgba(245, 184, 61, .8); }
.btn.small { padding: 8px 14px; font-size: 13px; }
.btn[aria-disabled="true"] { opacity: .75; cursor: default; }
.btn .soon { font: 600 10px var(--mono); letter-spacing: .6px; padding: 2px 6px; border-radius: 999px; background: rgba(255, 255, 255, .08); color: var(--muted); text-transform: uppercase; }

/* Section scaffolding */
section { padding: 110px 0; position: relative; }
@media (max-width: 700px) { section { padding: 76px 0; } }
.eyebrow { font: 600 12px var(--mono); letter-spacing: 2px; text-transform: uppercase; color: var(--fuel); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--fuel); }
h1, h2, h3 { font-family: var(--display); letter-spacing: -1.2px; margin: 0; line-height: 1.02; }
h2 { font-size: clamp(34px, 5vw, 60px); margin: 14px 0 18px; }
h3 { font-size: 22px; letter-spacing: -.4px; }
.lead { color: var(--muted); font-size: 19px; max-width: 640px; }
.grad { background: linear-gradient(100deg, var(--fuel) 10%, var(--fuel-hot) 60%, #ffd98a 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Status badges: always honest about what exists */
.status { display: inline-flex; align-items: center; gap: 7px; font: 600 11px var(--mono); letter-spacing: .8px; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--muted); }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.status.live { color: var(--live); border-color: rgba(74, 222, 128, .35); }
.status.live i { background: var(--live); box-shadow: 0 0 10px var(--live); animation: pulse 1.6s infinite; }
.status.dev { color: var(--fuel); border-color: rgba(245, 184, 61, .35); }
.status.dev i { background: var(--fuel); }
.status.soon { color: var(--violet); border-color: rgba(144, 133, 233, .35); }
.status.soon i { background: var(--violet); }
@keyframes pulse { 50% { opacity: .35; } }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; position: relative; overflow: hidden;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: border-color .3s, transform .3s; }
.card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(245, 184, 61, .35), transparent 35%, transparent 70%, rgba(144, 133, 233, .25));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .35s; }
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-3px); }
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--fuel-soft); color: var(--fuel); margin-bottom: 18px; }
.card p { color: var(--muted); margin: 10px 0 0; }

.grid { display: grid; gap: 18px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) { .g4 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .g4, .g2 { grid-template-columns: 1fr; } }

/* Scroll reveal */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }

/* Mascot SVG (inline): moods toggle eyes/extras */
.mascot .eyes-asleep, .mascot .eyes-full, .mascot .fx-zz, .mascot .fx-spark { display: none; }
.mascot.mood-asleep .eyes-working, .mascot.mood-full .eyes-working { display: none; }
.mascot.mood-asleep .eyes-asleep, .mascot.mood-asleep .fx-zz { display: inline; }
.mascot.mood-full .eyes-full, .mascot.mood-full .fx-spark { display: inline; }
.mascot.mood-asleep .fuel-arc { stroke: var(--empty); }
.mascot .bulb { transition: fill .4s; }
.mascot:not(.mood-asleep) .bulb { fill: #fff3d6; filter: drop-shadow(0 0 18px rgba(245, 184, 61, .9)); }
.mascot.mood-asleep .bulb { fill: #2f343c; }
.mascot .receipt { animation: print 6s cubic-bezier(.3, .7, .3, 1) infinite; }
.mascot.mood-asleep .receipt { animation: none; transform: translateY(-110px); }
.mascot .fx-zz { animation: floaty 2.6s ease-in-out infinite; }
.mascot .fx-spark { animation: twinkle 1.8s ease-in-out infinite; transform-origin: center; }
@keyframes print { 0%, 12% { transform: translateY(-110px); } 40%, 85% { transform: translateY(0); } 100% { transform: translateY(-110px); } }
@keyframes floaty { 50% { transform: translateY(-14px); } }
@keyframes twinkle { 50% { opacity: .35; } }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 50px 0 70px; color: var(--faint); font-size: 14px; }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
footer h4 { color: var(--text); font: 600 13px var(--mono); letter-spacing: 1px; text-transform: uppercase; margin: 0 0 12px; }
footer a { color: var(--muted); display: block; margin: 6px 0; }
footer .disclaimer { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 22px; font-size: 13px; line-height: 1.7; }
@media (max-width: 760px) { footer .wrap { grid-template-columns: 1fr; } }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; background: var(--panel-solid); border: 1px solid var(--line-2);
  padding: 10px 16px; border-radius: 12px; font: 500 14px var(--body); transition: all .3s; z-index: 200; pointer-events: none; }
.toast.on { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}