/* ============================================================
   InboxPolicy design system — single shared stylesheet
   Derives from BRAND.md. Dark is default; light via [data-theme].
   Class vocabulary is preserved from the v1 inline styles so
   article pages drop in with near-zero HTML churn.
   Page scopes: body.page-home | page-wide | page-app | page-hub
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  /* surfaces */
  --bg:#0b0f14; --bg2:#111820; --bg3:#161f29;
  --border:#243140; --border2:#2e3d4f;
  --code-bg:#0a0e13;
  /* text */
  --text:#e8eef4; --text2:#9fb0c0; --text3:#7d8fa0;
  /* accent */
  --accent:#22d3ee; --accent2:#0891b2; --accent-ink:#062a31;
  --accent-hover:#67e8f9; --accent-hover-ink:#062a31;
  /* verdict semantics — the only expressive palette */
  --send:#4ade80; --caution:#fbbf24; --review:#fb923c;
  --retry:#22d3ee; --avoid:#f87171;
  /* depth */
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --edge:inset 0 1px 0 rgba(255,255,255,.04);
  --glow:0 0 90px rgba(34,211,238,.07);
  /* motion */
  --ease:cubic-bezier(.32,.72,0,1);
  /* type */
  --font-display:'Space Grotesk','IBM Plex Sans',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,monospace;
}
[data-theme="light"]{
  --bg:#fafcfe; --bg2:#ffffff; --bg3:#f1f5f9;
  --border:#dbe4ec; --border2:#c3d2de;
  --code-bg:#0f172a;
  --text:#0f172a; --text2:#475569; --text3:#5b6b7d;
  --accent:#0e7490; --accent2:#155e75; --accent-ink:#f0fdff;
  --accent-hover:#155e75; --accent-hover-ink:#ffffff;
  --send:#15803d; --caution:#a16207; --review:#c2410c;
  --retry:#0e7490; --avoid:#b91c1c;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 12px 40px rgba(15,23,42,.08);
  --edge:inset 0 1px 0 rgba(255,255,255,.7);
  --glow:0 0 90px rgba(14,116,144,.06);
}

/* ---------- 2. Base ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  font-family:var(--font-body);background:var(--bg);color:var(--text);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
code,pre,kbd,.mono{font-family:var(--font-mono)}
::selection{background:rgba(34,211,238,.28)}
[data-theme="light"] ::selection{background:rgba(14,116,144,.18)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,var(--accent) 55%,transparent)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
img,svg{max-width:100%;vertical-align:middle}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:0 0 10px 0;font-weight:600}
.skip-link:focus{left:0}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* ---------- 3. Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700}
h1{font-size:clamp(30px,4.6vw,38px);line-height:1.16;letter-spacing:-.9px;margin-bottom:12px;text-wrap:balance}
h2{font-size:24px;letter-spacing:-.5px;line-height:1.25;margin:48px 0 14px}
h3{font-size:18px;letter-spacing:-.2px;margin:30px 0 10px}
p{margin-bottom:14px}
ul,ol{margin:0 0 16px 22px}
li{margin-bottom:7px}
.sub{font-size:18px;color:var(--text2);max-width:64ch;margin-bottom:10px;text-wrap:pretty}
.updated{font-family:var(--font-mono);font-size:12.5px;color:var(--text3);margin-bottom:34px}
.lead{font-size:17px;color:var(--text2);max-width:68ch;margin-bottom:34px}
main p,main li{color:var(--text2);max-width:74ch}
main table p,main table li{max-width:none}
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--accent);
  border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);
  border-radius:999px;padding:4px 12px;margin-bottom:16px;
  background:color-mix(in srgb,var(--accent) 7%,transparent)}
code{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:2px 7px;font-size:.86em;color:var(--text)}
pre{background:var(--code-bg);border:1px solid var(--border);border-radius:14px;
  padding:18px 20px;font-size:13px;line-height:1.7;overflow-x:auto;color:#c9d6e2;
  box-shadow:var(--edge),var(--shadow-sm);margin:18px 0}
pre code{background:none;border:none;padding:0;font-size:inherit;color:inherit}
hr{border:none;border-top:1px solid var(--border);margin:36px 0}
blockquote,.quote{border-left:3px solid var(--accent);background:var(--bg3);
  border-radius:0 12px 12px 0;padding:16px 22px;margin:18px 0;color:var(--text2)}

/* ---------- 4. Layout ---------- */
.wrap{max-width:880px;margin:0 auto;padding:0 24px}
body.page-wide .wrap,body.page-home .wrap,body.page-app .wrap{max-width:1080px}
body.page-hub .wrap{max-width:980px}
main{display:block;padding:44px 0 72px}
main.wrap{padding:44px 24px 72px}
body.page-home main{padding:0 0 40px}

/* ---------- 5. Nav ---------- */
nav{position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:inline-flex;align-items:center;font-family:var(--font-mono);
  font-weight:700;font-size:17px;color:var(--text);letter-spacing:-.5px}
.logo span{color:var(--accent)}
.logo svg{flex:none;margin-right:9px}
.logo:hover{text-decoration:none}
.nav-links{display:flex;gap:26px;align-items:center;font-size:14.5px}
.nav-links a{color:var(--text2);font-weight:500}
.nav-links a:hover{color:var(--text);text-decoration:none}
#theme-toggle{background:none;border:1px solid var(--border2);border-radius:10px;
  width:40px;height:40px;cursor:pointer;color:var(--text2);display:grid;place-items:center;
  transition:border-color .2s var(--ease),color .2s var(--ease)}
#theme-toggle:hover{border-color:var(--accent);color:var(--text)}

/* ---------- 6. Buttons ---------- */
.cta,.btn{display:inline-block;padding:11px 22px;border-radius:10px;font-weight:600;
  font-size:15px;cursor:pointer;border:1px solid transparent;line-height:1.4;
  transition:background .2s var(--ease),border-color .2s var(--ease),
             color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.cta,.btn-primary,.nav-links a.btn-primary{
  background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 92%,white 8%),var(--accent));
  color:var(--accent-ink);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 4px 14px color-mix(in srgb,var(--accent) 25%,transparent)}
.cta:hover,.btn-primary:hover,.nav-links a.btn-primary:hover{
  background:var(--accent-hover);color:var(--accent-hover-ink);
  text-decoration:none;transform:translateY(-1px)}
.cta:active,.btn:active{transform:translateY(0) scale(.98)}
[data-theme="light"] .cta,[data-theme="light"] .btn-primary{color:#fff}
.btn-ghost,.cta-secondary{border-color:var(--border2);color:var(--text);background:transparent}
.btn-ghost:hover,.cta-secondary:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}

/* ---------- 7. Cards & surfaces ---------- */
.card{background:linear-gradient(180deg,color-mix(in srgb,var(--bg2) 97%,white 3%),var(--bg2));
  border:1px solid var(--border);border-radius:14px;padding:22px 24px;margin:18px 0;
  box-shadow:var(--edge),var(--shadow-sm)}
.card h3{margin-top:0;font-size:16px}
.card:last-child{margin-bottom:0}
a.card,.tile{transition:border-color .2s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease)}
a.card:hover,.tile:hover{border-color:var(--border2);transform:translateY(-2px);
  box-shadow:var(--edge),var(--shadow);text-decoration:none}
.tldr{background:var(--bg3);border:1px solid var(--border);border-left:3px solid var(--accent);
  border-radius:12px;padding:22px 26px;margin-bottom:26px}
.tldr b{color:var(--accent)}
.tldr p{color:var(--text2);font-size:16px;margin:0}
.note{background:var(--bg3);border:1px solid var(--border);border-radius:12px;
  padding:14px 18px;font-size:14.5px;color:var(--text2);margin:16px 0}
.stat{background:var(--bg2);border:1px solid var(--border);border-radius:12px;
  padding:16px;text-align:center;box-shadow:var(--edge)}
.stat .v{font-family:var(--font-mono);font-size:25px;font-weight:700;color:var(--accent)}
.stat .l{font-size:13px;color:var(--text3);margin-top:2px}

/* ---------- 8. Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{text-align:left;padding:12px 15px;border-bottom:1px solid var(--border);vertical-align:top}
th{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--text3);font-weight:600;background:color-mix(in srgb,var(--bg3) 55%,transparent)}
td strong{color:var(--text)}
tbody tr{transition:background .15s var(--ease)}
tbody tr:hover{background:color-mix(in srgb,var(--bg3) 45%,transparent)}
tbody tr:last-child td{border-bottom:none}
.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:14px;
  background:var(--bg2);margin:18px 0;box-shadow:var(--edge),var(--shadow-sm)}
.table-scroll table{margin:0}

/* ---------- 9. FAQ / details ---------- */
details{border:1px solid var(--border);border-radius:12px;background:var(--bg2);
  margin-bottom:12px;transition:border-color .2s var(--ease);box-shadow:var(--edge)}
details:hover{border-color:var(--border2)}
details[open]{border-color:var(--border2)}
summary{padding:17px 22px;font-weight:600;font-size:15.5px;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--font-mono);color:var(--accent);
  font-size:20px;flex:none;transition:transform .25s var(--ease)}
details[open] summary::after{content:"+";transform:rotate(45deg)}
details p{padding:0 22px 18px;color:var(--text2);font-size:15px;max-width:75ch}
details ul,details ol{padding:0 22px 18px;margin-left:40px;color:var(--text2);font-size:15px}

/* ---------- 10. Verdict chips ---------- */
.verdict{font-family:var(--font-mono);font-weight:700;font-size:13px;white-space:nowrap}
.v-send{color:var(--send)}.v-caution{color:var(--caution)}.v-review{color:var(--review)}
.v-retry{color:var(--retry)}.v-avoid{color:var(--avoid)}
.chip{display:inline-block;font-family:var(--font-mono);font-weight:700;font-size:12px;
  padding:3px 10px;border-radius:999px;border:1px solid;white-space:nowrap}
.chip.v-send{border-color:color-mix(in srgb,var(--send) 40%,transparent);background:color-mix(in srgb,var(--send) 9%,transparent)}
.chip.v-caution{border-color:color-mix(in srgb,var(--caution) 40%,transparent);background:color-mix(in srgb,var(--caution) 9%,transparent)}
.chip.v-review{border-color:color-mix(in srgb,var(--review) 40%,transparent);background:color-mix(in srgb,var(--review) 9%,transparent)}
.chip.v-retry{border-color:color-mix(in srgb,var(--retry) 40%,transparent);background:color-mix(in srgb,var(--retry) 9%,transparent)}
.chip.v-avoid{border-color:color-mix(in srgb,var(--avoid) 40%,transparent);background:color-mix(in srgb,var(--avoid) 9%,transparent)}

/* ---------- 11. Terminal ---------- */
.term{background:var(--code-bg);border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--edge),var(--shadow),var(--glow);overflow:hidden}
.term-bar{display:flex;gap:7px;padding:13px 16px;border-bottom:1px solid var(--border)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:var(--border2)}
.term-bar i:nth-child(1){background:color-mix(in srgb,var(--avoid) 55%,var(--border2))}
.term-bar i:nth-child(2){background:color-mix(in srgb,var(--caution) 55%,var(--border2))}
.term-bar i:nth-child(3){background:color-mix(in srgb,var(--send) 55%,var(--border2))}
.term pre{padding:20px;margin:0;border:none;border-radius:0;box-shadow:none;font-size:13px;line-height:1.7;color:#c9d6e2}
.t-cmd{color:#7dd3fc}.t-key{color:#94a3b8}.t-str{color:#a5f3fc}.t-num{color:#fbbf24}
.t-send{color:#4ade80;font-weight:700}.t-cm{color:#7a8ea0}

/* ---------- 12. Breadcrumb ---------- */
.breadcrumb{font-size:13.5px;color:var(--text3);margin:-2px 0 24px}
.breadcrumb a{color:var(--text3)}
.breadcrumb a:hover{color:var(--accent)}

/* ---------- 13. Footer ---------- */
footer{border-top:1px solid var(--border);padding:36px 0;margin-top:56px;
  font-size:14px;color:var(--text3)}
footer a{color:var(--text3)}
footer a:hover{color:var(--accent)}
.footer-links{padding-bottom:14px;margin-bottom:16px;border-bottom:1px solid var(--border)}
.footer-links b{color:var(--text2)}
.footer-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}

/* ---------- 14. Page sections (home & hub layouts) ---------- */
section{padding:64px 0}
section+section{border-top:1px solid var(--border)}
.section-sub{font-size:17px;color:var(--text2);max-width:68ch;margin-bottom:32px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}

/* ---------- 14b. Pricing packs ---------- */
.packs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:26px}
.pack{background:linear-gradient(180deg,color-mix(in srgb,var(--bg2) 97%,white 3%),var(--bg2));
  border:1px solid var(--border);border-radius:16px;padding:30px 26px;display:flex;flex-direction:column;
  box-shadow:var(--edge),var(--shadow-sm);
  transition:border-color .2s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease)}
.pack:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:var(--edge),var(--shadow)}
.pack.hot{border-color:color-mix(in srgb,var(--accent) 55%,var(--border));position:relative;
  box-shadow:var(--edge),var(--shadow-sm),0 0 46px color-mix(in srgb,var(--accent) 10%,transparent)}
.pack.hot::before{content:"MOST POPULAR";position:absolute;top:-11px;left:24px;background:var(--accent);
  color:var(--accent-ink);font-size:10.5px;font-weight:700;letter-spacing:.1em;padding:3px 10px;
  border-radius:20px;font-family:var(--font-mono)}
.pack h3{font-size:15.5px;color:var(--text2);font-weight:600;margin:0}
.pack .price{font-family:var(--font-display);font-size:42px;font-weight:700;letter-spacing:-1px;margin:6px 0 2px;color:var(--text)}
.pack .per{font-family:var(--font-mono);font-size:13px;color:var(--accent);margin-bottom:18px}
.pack ul{list-style:none;margin:0 0 24px;flex:1;padding:0}
.pack li{font-size:14.5px;color:var(--text2);padding:5px 0 5px 24px;position:relative;margin:0;max-width:none}
.pack li::before{content:"";position:absolute;left:2px;top:11px;width:12px;height:12px;background:var(--accent);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat}
.pack .btn,.pack .cta{text-align:center;margin-top:0}
.pricing-notes{font-size:14.5px;color:var(--text3);max-width:72ch}
.pricing-notes b{color:var(--text2)}
@media(max-width:880px){.packs{grid-template-columns:1fr}}

/* ---------- 15. Responsive ---------- */
@media(max-width:880px){
  .nav-links{gap:16px}
  /* only the home nav has too many links to fit; article navs (4 links) stay */
  body.page-home .nav-links a:not(.keep-mobile){display:none}
  section{padding:44px 0}
  main{padding:32px 0 56px}
  h1{letter-spacing:-.6px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .grid-4{grid-template-columns:1fr}
  html{scroll-padding-top:110px}
  .nav-inner{height:auto;min-height:64px;flex-wrap:wrap;padding:12px 0;gap:10px}
  .logo{font-size:16px}
  .logo svg{width:18px;height:18px;margin-right:7px}
  .nav-links{width:100%;justify-content:space-between;gap:8px;font-size:13px}
  [data-stage]{min-width:0;padding:18px}
  [data-stage] code{overflow-wrap:anywhere;word-break:break-word}
}