/* MeowByte — shared site tokens, matching plan.html and the desktop app icon
   (forest green accent, Big Shoulders Display / IBM Plex Sans+Mono). */

:root{
  --bg:#F5F6F3; --surface:#FFFFFF; --surface-2:#ECEEE9;
  --ink:#16211E; --ink-muted:#56635E;
  --accent:#1F6F5C; --accent-ink:#0E3F33; --accent-soft:#DEEBE6;
  --accent-2:#B5651D; --accent-2-soft:#F3E3D2;
  --line:#D9DED8; --danger:#B3261E; --danger-soft:#F5DEDC;
  --shadow-sm:0 1px 2px rgba(15,30,25,0.06);
  --shadow-md:0 8px 24px -8px rgba(15,30,25,0.18);
  --shadow-accent:0 8px 24px -6px color-mix(in srgb, var(--accent) 35%, transparent);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#101512; --surface:#171E1A; --surface-2:#1E2621;
    --ink:#E7ECE7; --ink-muted:#93A39C;
    --accent:#4FBE9E; --accent-ink:#BEF0DF; --accent-soft:#1D3A32;
    --accent-2:#E0954F; --accent-2-soft:#3A2C1B;
    --line:#2B3630; --danger:#E5867C; --danger-soft:#3A2220;
    --shadow-sm:0 1px 2px rgba(0,0,0,0.3);
    --shadow-md:0 12px 32px -10px rgba(0,0,0,0.55);
    --shadow-accent:0 8px 28px -6px color-mix(in srgb, var(--accent) 30%, transparent);
  }
}
:root[data-theme="dark"]{
  --bg:#101512; --surface:#171E1A; --surface-2:#1E2621;
  --ink:#E7ECE7; --ink-muted:#93A39C;
  --accent:#4FBE9E; --accent-ink:#BEF0DF; --accent-soft:#1D3A32;
  --accent-2:#E0954F; --accent-2-soft:#3A2C1B;
  --line:#2B3630; --danger:#E5867C; --danger-soft:#3A2220;
  --shadow-sm:0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:0 12px 32px -10px rgba(0,0,0,0.55);
  --shadow-accent:0 8px 28px -6px color-mix(in srgb, var(--accent) 30%, transparent);
}

*{box-sizing:border-box;}
html{color-scheme:light dark;}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"IBM Plex Sans", system-ui, sans-serif;
  font-size:16px; line-height:1.6;
}
::selection{ background:var(--accent-soft); color:var(--accent-ink); }
a{ color:var(--accent-ink); text-decoration:none; }
a:hover{ text-decoration:underline; }
img{ max-width:100%; }

h1,h2,h3{
  font-family:"Big Shoulders Display", system-ui, sans-serif;
  font-weight:700; letter-spacing:0.01em; text-wrap:balance;
  margin:0 0 .5rem; color:var(--ink);
}
code, .mono{ font-family:"IBM Plex Mono", ui-monospace, monospace; }

.wrap{ max-width:1120px; margin:0 auto; padding:0 clamp(1.25rem,4vw,2.5rem); }

/* ---- Header ---- */
header.site{
  position:sticky; top:0; z-index:10;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
header.site .bar{ display:flex; align-items:center; justify-content:space-between; padding:1.1rem 0; }
.brand{ display:flex; align-items:center; gap:.55rem; font-family:"Big Shoulders Display"; font-size:1.35rem; font-weight:700; color:var(--ink); }
.brand svg{ display:block; flex:none; }
nav.main{ display:flex; align-items:center; gap:1.75rem; }
nav.main a{ color:var(--ink-muted); font-size:.95rem; }
nav.main a:hover{ color:var(--ink); text-decoration:none; }
nav.main a.current{ color:var(--accent-ink); }
.header-cta{ display:flex; align-items:center; gap:1rem; }

/* ---- Buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.4rem;
  padding:.65rem 1.15rem; border-radius:8px; font-size:.95rem; font-weight:600;
  border:1px solid transparent; cursor:pointer; text-decoration:none !important;
  font-family:"IBM Plex Sans", sans-serif;
  transition:transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn-primary{ background:var(--accent); color:#fff; box-shadow:var(--shadow-accent); }
.btn-primary:hover{ background:var(--accent-ink); transform:translateY(-1px); box-shadow:0 12px 28px -6px color-mix(in srgb, var(--accent) 45%, transparent); }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-ghost:hover{ background:var(--surface-2); border-color:color-mix(in srgb, var(--ink-muted) 40%, var(--line)); }
.btn-lg{ padding:.85rem 1.6rem; font-size:1.02rem; }
.btn:disabled{ opacity:.55; cursor:not-allowed; transform:none !important; box-shadow:none !important; }
@media (prefers-reduced-motion: reduce){ .btn{ transition:none; } }

/* ---- Hero ---- */
.hero{
  position:relative; overflow:hidden;
  padding:clamp(3rem,8vw,6rem) 0 clamp(2.5rem,6vw,4rem);
}
.hero::before{
  content:""; position:absolute; top:-20%; right:-10%; width:60%; aspect-ratio:1;
  background:radial-gradient(closest-side, color-mix(in srgb, var(--accent) 16%, transparent), transparent);
  pointer-events:none; z-index:0;
}
.hero > .wrap, .hero .hero-grid{ position:relative; z-index:1; }
.hero .eyebrow{
  font-family:"IBM Plex Mono"; font-size:.75rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--accent-ink); background:var(--accent-soft); display:inline-block;
  padding:.3rem .65rem; border-radius:99px; margin-bottom:1.2rem;
}
.hero .badge{ margin-bottom:1.2rem; }
.hero h1{ font-size:clamp(2.4rem,5.5vw,3.75rem); max-width:18ch; letter-spacing:-0.01em; }
.hero p.lede{ font-size:1.15rem; color:var(--ink-muted); max-width:56ch; margin:1.2rem 0 1.8rem; }
.hero .cta-row{ display:flex; gap:1rem; flex-wrap:wrap; }
.hero-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:clamp(2rem,5vw,4rem); align-items:center; }
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }

/* ---- Sections ---- */
section{ padding:clamp(2.5rem,6vw,4.5rem) 0; border-top:1px solid var(--line); }
section:first-of-type{ border-top:none; }
.sec-head{ max-width:640px; margin-bottom:2.2rem; }
.sec-head .eyebrow{ font-family:"IBM Plex Mono"; font-size:.75rem; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-muted); display:block; margin-bottom:.6rem; }
.sec-head h2{ font-size:clamp(1.7rem,3.5vw,2.2rem); }
.sec-head p{ color:var(--ink-muted); margin-top:.7rem; font-size:1.05rem; }

.grid{ display:grid; gap:1.25rem; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:860px){ .grid-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:640px){ .grid-3, .grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--surface); border:1px solid var(--line); border-radius:12px;
  padding:1.5rem; box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:color-mix(in srgb, var(--accent) 30%, var(--line)); }
.card h3{ font-size:1.1rem; margin-bottom:.5rem; }
.card p{ color:var(--ink-muted); font-size:.94rem; margin:0; }
.card .num{
  font-family:"IBM Plex Mono"; font-size:.72rem; letter-spacing:.04em; text-transform:uppercase;
  color:var(--accent-ink); background:var(--accent-soft);
  display:inline-flex; align-items:center; justify-content:center; min-width:1.8rem; height:1.8rem;
  padding:0 .55rem; border-radius:8px; margin-bottom:.9rem;
}
@media (prefers-reduced-motion: reduce){ .card{ transition:none; } .card:hover{ transform:none; } }

.callout{
  border-left:3px solid var(--accent-2); background:var(--accent-2-soft);
  padding:1.1rem 1.3rem; border-radius:0 10px 10px 0; font-size:.95rem;
  transition:box-shadow .18s ease;
}
.callout:hover{ box-shadow:var(--shadow-sm); }
.callout b{ display:block; font-family:"IBM Plex Mono"; font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:.4rem; color:var(--ink); }

/* ---- Pricing ---- */
.price-card{
  background:var(--surface); border:1px solid var(--line); border-radius:14px;
  padding:1.8rem; display:flex; flex-direction:column; gap:1rem;
  box-shadow:var(--shadow-sm); transition:transform .18s ease, box-shadow .18s ease;
}
.price-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-md); }
.price-card.featured{
  border-color:var(--accent); box-shadow:var(--shadow-accent);
  background:linear-gradient(180deg, color-mix(in srgb, var(--accent) 6%, var(--surface)), var(--surface) 60%);
  position:relative;
}
.price-card.featured::before{
  content:"Most popular"; position:absolute; top:-.7rem; left:1.8rem;
  font-family:"IBM Plex Mono"; font-size:.68rem; letter-spacing:.06em; text-transform:uppercase;
  background:var(--accent); color:#fff; padding:.25rem .6rem; border-radius:99px;
}
.price-card.featured:hover{ transform:translateY(-3px); box-shadow:0 14px 34px -8px color-mix(in srgb, var(--accent) 40%, transparent); }
.price-card .tier{ font-family:"IBM Plex Mono"; font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-muted); }
.price-card .amount{ font-family:"Big Shoulders Display"; font-size:2.4rem; font-weight:700; }
.price-card .amount span{ font-family:"IBM Plex Sans"; font-size:.95rem; font-weight:400; color:var(--ink-muted); }
.price-card ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.55rem; flex:1; }
.price-card li{ font-size:.92rem; color:var(--ink-muted); padding-left:1.3rem; position:relative; }
.price-card li::before{ content:"✓"; position:absolute; left:0; color:var(--accent-ink); font-weight:700; }
@media (prefers-reduced-motion: reduce){ .price-card, .callout{ transition:none; } .price-card:hover{ transform:none; } }

/* ---- Forms (signup/login) ---- */
.auth-shell{ max-width:420px; margin:clamp(3rem,10vh,6rem) auto; padding:0 1.25rem; }
.auth-card{ background:var(--surface); border:1px solid var(--line); border-radius:14px; padding:2rem; }
.auth-card h1{ font-size:1.6rem; margin-bottom:.35rem; }
.auth-card p.sub{ color:var(--ink-muted); font-size:.92rem; margin:0 0 1.5rem; }
.field{ margin-bottom:1.1rem; }
.field label{ display:block; font-size:.82rem; font-weight:600; margin-bottom:.4rem; }
.field input{
  width:100%; padding:.7rem .85rem; border-radius:8px; border:1px solid var(--line);
  background:var(--bg); color:var(--ink); font-size:.95rem; font-family:inherit;
}
.field input:focus{ outline:2px solid var(--accent); outline-offset:1px; }
.field .hint{ font-size:.78rem; color:var(--ink-muted); margin-top:.35rem; }
.form-error{ background:var(--danger-soft); color:var(--danger); border-radius:8px; padding:.7rem .9rem; font-size:.88rem; margin-bottom:1rem; display:none; }
.form-error.show{ display:block; }
.form-note{ margin-top:1.4rem; font-size:.88rem; color:var(--ink-muted); text-align:center; }

.key-reveal{
  background:var(--accent-soft); border:1px solid var(--accent); border-radius:10px;
  padding:1.1rem; margin:1.2rem 0;
}
.key-reveal .k{ font-family:"IBM Plex Mono"; font-size:.85rem; word-break:break-all; color:var(--accent-ink); user-select:all; }
.key-reveal .warn{ font-size:.82rem; color:var(--ink); margin-top:.6rem; }

/* ---- Footer ---- */
footer.site{ border-top:1px solid var(--line); padding:2.5rem 0; margin-top:2rem; }
footer.site .bar{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:1.5rem; font-size:.85rem; color:var(--ink-muted); }
footer.site nav{ display:flex; gap:1.4rem; flex-wrap:wrap; }
.badge{
  display:inline-flex; align-items:center; gap:.4rem; font-family:"IBM Plex Mono"; font-size:.72rem;
  text-transform:uppercase; letter-spacing:.06em; color:var(--accent-ink); background:var(--accent-soft);
  padding:.25rem .6rem; border-radius:99px;
}
.badge::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--accent); }

/* ---- Hero network diagram — the "two hops" mechanic, made literal ---- */
.network-diagram{ width:100%; height:auto; overflow:visible; }
.network-diagram .node-box{
  fill:var(--surface); stroke:var(--line); stroke-width:1.5;
}
.network-diagram .node-label{
  font-family:"IBM Plex Mono"; font-size:9px; letter-spacing:.04em; text-transform:uppercase;
  fill:var(--ink-muted);
}
.network-diagram .node-title{
  font-family:"IBM Plex Sans"; font-size:12.5px; font-weight:600; fill:var(--ink);
}
.network-diagram .node-icon{ fill:var(--accent-ink); }
.network-diagram .node-icon-bg{ fill:var(--accent-soft); }
.network-diagram .link{
  fill:none; stroke:var(--line); stroke-width:1.5; stroke-dasharray:4 4;
}
.network-diagram .pulse{
  fill:var(--accent); filter:drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 70%, transparent));
  animation-duration:3.2s; animation-iteration-count:infinite; animation-timing-function:linear;
}
.network-diagram .p1{ offset-path:path("M 100,70 L 175,70"); animation-name:pulse-move-1; }
.network-diagram .p2{ offset-path:path("M 265,70 L 340,70"); animation-name:pulse-move-2; }
@keyframes pulse-move-1{
  0%{ offset-distance:0%; opacity:0; }
  8%{ opacity:1; }
  42%{ offset-distance:100%; opacity:1; }
  48%{ opacity:0; }
  100%{ offset-distance:100%; opacity:0; }
}
@keyframes pulse-move-2{
  0%,50%{ offset-distance:0%; opacity:0; }
  58%{ opacity:1; }
  92%{ offset-distance:100%; opacity:1; }
  98%{ opacity:0; }
  100%{ offset-distance:100%; opacity:0; }
}
@media (prefers-reduced-motion: reduce){
  .network-diagram .pulse{ animation:none !important; opacity:0; }
}