/* ============================================================
   Hookwise — "blueprint precision" design system
   Vanilla CSS, 0 dependencies. Case study #7.
   ============================================================ */

:root{
  --paper:#F6F8FB;
  --panel:#FFFFFF;
  --panel-tint:#EDF1F8;
  --ink:#0B1526;
  --ink-2:#46536B;
  --line:#D7DEEA;
  --cobalt:#2447E0;
  --cobalt-dn:#1B38B8;   /* accent TEXT on tint/light panels (AA-safe) */
  --ok:#0E7F58;
  --warn:#B45309;
  --warn-chip:#FDE68A;
  --err:#C1121F;
  --code-bg:#0E1B33;
  --code-fg:#DCE6F7;

  --ff-h:"Sora",system-ui,sans-serif;
  --ff:"Instrument Sans",system-ui,sans-serif;
  --ff-m:"Spline Sans Mono",ui-monospace,monospace;

  --r-sm:6px;
  --r:10px;
  --shadow:0 1px 2px rgb(11 21 38 / .05);
  --shadow-lg:0 10px 34px -14px rgb(11 21 38 / .22);
  --maxw:1140px;
  --gut:24px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--ff);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
code{font-family:var(--ff-m);font-size:.9em}
::selection{background:rgba(36,71,224,.16)}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}

/* ---------- typography primitives ---------- */
h1,h2,h3,h4{font-family:var(--ff-h);font-weight:700;letter-spacing:-.02em;line-height:1.08;color:var(--ink)}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:19px;letter-spacing:-.01em}
.eyebrow{
  font-family:var(--ff-m);font-weight:500;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cobalt-dn);display:inline-block;
}
.section-head{max-width:60ch;margin-bottom:40px}
.section-head h2{margin-top:14px}
.section-sub{color:var(--ink-2);font-size:clamp(15px,1.5vw,17px);margin-top:14px;max-width:56ch}
.muted{color:var(--ink-2)}
.section-sub .muted{display:inline}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--cobalt);--fg:#fff;--bd:var(--cobalt);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--ff);font-weight:600;font-size:15px;line-height:1;
  padding:13px 20px;border-radius:var(--r-sm);border:1px solid var(--bd);
  background:var(--bg);color:var(--fg);cursor:pointer;text-decoration:none;
  transition:transform .12s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--cobalt);outline-offset:2px}
.btn-primary{--bg:var(--cobalt);--fg:#fff;--bd:var(--cobalt);box-shadow:var(--shadow)}
.btn-primary:hover{--bg:var(--cobalt-dn);--bd:var(--cobalt-dn)}
.btn-ghost{--bg:var(--panel);--fg:var(--cobalt-dn);--bd:var(--line)}
.btn-ghost:hover{--bd:var(--cobalt);--bg:var(--panel-tint)}
.btn-sm{padding:9px 14px;font-size:14px}
.btn-lg{padding:16px 26px;font-size:16px}
.btn-block{width:100%}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(246,248,251,.82);backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-in{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink)}
.logo-mark{display:grid;place-items:center;filter:drop-shadow(0 1px 1px rgb(11 21 38/.15))}
.logo-word{font-family:var(--ff-h);font-weight:700;font-size:18px;letter-spacing:-.02em}
.nav{display:flex;gap:22px;margin-left:8px}
.nav a{color:var(--ink-2);text-decoration:none;font-size:14.5px;font-weight:500;transition:color .15s}
.nav a:hover{color:var(--cobalt-dn)}
.topbar-cta{margin-left:auto;display:flex;gap:10px;align-items:center}

section{scroll-margin-top:80px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fff, var(--paper) 62%)}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(120% 90% at 78% 0%,#000 0%,transparent 66%);
  mask-image:radial-gradient(120% 90% at 78% 0%,#000 0%,transparent 66%);
}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;
  align-items:center;padding-block:clamp(56px,8vw,96px)}
.hero-copy .eyebrow{margin-bottom:20px}
h1{font-family:var(--ff-h);font-weight:700;font-size:clamp(40px,6.4vw,68px);
  line-height:1.02;letter-spacing:-.035em}
h1 .accent{color:var(--cobalt)}
.lead{color:var(--ink-2);font-size:clamp(16px,1.8vw,19px);margin-top:22px;max-width:48ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;
  padding-top:22px;border-top:1px dashed var(--line)}
.hero-facts li{font-size:13.5px;color:var(--ink-2);font-family:var(--ff-m)}
.hero-facts b{display:block;font-family:var(--ff-h);font-size:22px;color:var(--ink);letter-spacing:-.02em}

/* hero panel (ticker) */
.hero-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow-lg);overflow:hidden;position:relative}
.panel-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:var(--panel-tint)}
.dot-row{display:inline-flex;gap:6px}
.dot-row i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.panel-title{font-family:var(--ff-m);font-size:12.5px;color:var(--ink-2)}
.panel-live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--ff-m);font-size:11.5px;color:var(--ok);text-transform:uppercase;letter-spacing:.08em}
.panel-live i{width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(14,127,88,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(14,127,88,.5)}70%{box-shadow:0 0 0 7px rgba(14,127,88,0)}100%{box-shadow:0 0 0 0 rgba(14,127,88,0)}}
.ticker{list-style:none;font-family:var(--ff-m);font-size:12.8px;line-height:1.5;
  padding:14px 16px;min-height:230px;display:flex;flex-direction:column;gap:9px;overflow:hidden}
.ticker li{display:flex;gap:10px;align-items:baseline;color:var(--ink-2);
  animation:tick-in .35s ease both}
.ticker .t-id{color:var(--ink)}
.ticker .t-ok{color:var(--ok);margin-left:auto;white-space:nowrap}
.ticker .t-ms{color:var(--ink-2)}
@keyframes tick-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.panel-annot{display:flex;align-items:center;gap:10px;padding:11px 16px;border-top:1px dashed var(--line);
  background:var(--panel-tint)}
.dim-line{flex:1;height:1px;background-image:linear-gradient(90deg,var(--ink-2) 40%,transparent 0);
  background-size:6px 1px;position:relative}
.dim-line::before,.dim-line::after{content:"";position:absolute;top:-3px;width:1px;height:7px;background:var(--ink-2)}
.dim-line::before{left:0}.dim-line::after{right:0}
.dim-label{font-family:var(--ff-m);font-size:11px;color:var(--ink-2);letter-spacing:.04em}

/* ---------- works with stack ---------- */
.stack{border-bottom:1px solid var(--line);background:var(--panel)}
.stack-in{display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding-block:20px}
.stack-label{font-family:var(--ff-m);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.stack-list{list-style:none;display:flex;flex-wrap:wrap;gap:24px;margin-left:auto}
.stack-list li{font-family:var(--ff-h);font-weight:600;font-size:16px;color:var(--ink);opacity:.62}

/* ---------- pain ---------- */
.pain{padding-block:clamp(56px,8vw,88px)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pain-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  box-shadow:var(--shadow);position:relative}
.pain-num{position:absolute;top:16px;right:18px;font-family:var(--ff-m);font-size:18px;color:var(--err);opacity:.55}
.pain-card h3{margin-bottom:8px;padding-right:22px}
.pain-card p{color:var(--ink-2);font-size:14.5px}

/* ---------- how it works ---------- */
.how{padding-block:clamp(56px,8vw,88px);background:var(--panel);border-block:1px solid var(--line)}
.pipeline{list-style:none;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;
  align-items:stretch;gap:0}
.pipe-node{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:24px;position:relative}
.pipe-tick{font-family:var(--ff-m);font-size:12px;color:var(--cobalt-dn);
  border:1px solid var(--line);border-radius:100px;padding:3px 9px;display:inline-block;margin-bottom:14px}
.pipe-node h3{margin-bottom:8px}
.pipe-node p{color:var(--ink-2);font-size:14px}
.pipe-node code{background:var(--panel-tint);color:var(--cobalt-dn);padding:1px 5px;border-radius:4px}
.pipe-arrow{align-self:center;width:44px;height:1px;position:relative;
  background-image:linear-gradient(90deg,var(--ink-2) 45%,transparent 0);background-size:7px 1px}
.pipe-arrow::after{content:"";position:absolute;right:0;top:-3.5px;
  border-left:7px solid var(--ink-2);border-top:4px solid transparent;border-bottom:4px solid transparent}

/* ---------- simulator ---------- */
.sim{padding-block:clamp(56px,8vw,92px)}
.sim-shell{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow-lg);overflow:hidden}
.sim-controls{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:20px 24px;
  border-bottom:1px solid var(--line);background:var(--panel-tint)}
.scenario{border:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.scenario legend{font-family:var(--ff-m);font-size:12px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--ink-2);margin-right:6px;float:left;margin-bottom:8px}
.chip{display:inline-flex}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip span{display:inline-block;font-size:13.5px;padding:7px 13px;border:1px solid var(--line);
  border-radius:100px;background:var(--panel);color:var(--ink-2);cursor:pointer;transition:.15s;user-select:none}
.chip span:hover{border-color:var(--ink-2)}
.chip input:checked+span{background:var(--cobalt);border-color:var(--cobalt);color:#fff}
.chip input:focus-visible+span{outline:2px solid var(--cobalt);outline-offset:2px}
.sim-send{margin-left:auto}
.sim-send:disabled{opacity:.5;cursor:not-allowed;transform:none}

.sim-stage{display:grid;grid-template-columns:1fr 1fr;min-height:340px}
.sim-pipe{padding:34px 26px;border-right:1px solid var(--line);display:flex;flex-direction:column;
  justify-content:center;gap:34px;position:relative}
.sim-track{position:relative;display:flex;align-items:center;justify-content:space-between}
.sim-station{display:flex;flex-direction:column;align-items:center;gap:10px;width:74px;text-align:center;z-index:2}
.st-dot{width:16px;height:16px;border-radius:50%;background:var(--panel);border:2px solid var(--line);transition:.2s}
.st-label{font-family:var(--ff-m);font-size:11px;color:var(--ink-2);line-height:1.25}
.sim-station.is-active .st-dot{border-color:var(--cobalt);background:var(--cobalt);box-shadow:0 0 0 5px rgba(36,71,224,.14)}
.sim-station.is-fail .st-dot{border-color:var(--err);background:var(--err);box-shadow:0 0 0 5px rgba(193,18,31,.14)}
.sim-station.is-done .st-dot{border-color:var(--ok);background:var(--ok);box-shadow:0 0 0 5px rgba(14,127,88,.16)}
.sim-wire{flex:1;height:2px;background:var(--line);margin:0 6px;align-self:flex-start;margin-top:7px;border-radius:2px}
.sim-packet{position:absolute;top:1px;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--cobalt);box-shadow:0 0 0 4px rgba(36,71,224,.2);
  opacity:0;transition:left .5s cubic-bezier(.5,0,.3,1),opacity .2s,background .2s}
.sim-packet.is-visible{opacity:1}
.sim-packet.is-fail{background:var(--err);box-shadow:0 0 0 4px rgba(193,18,31,.2)}
.sim-status-badges{display:flex;gap:10px;justify-content:center;min-height:30px;flex-wrap:wrap}
.sim-badge{font-family:var(--ff-m);font-size:12.5px;padding:6px 12px;border-radius:100px;
  background:var(--warn-chip);color:var(--ink);border:1px solid #E6C15A}
.sim-badge b{font-weight:500}
.sim-badge-ok{background:#D8F3E6;color:var(--ok);border-color:#A6DCC4}

.sim-log-wrap{display:flex;flex-direction:column;min-height:0}
.sim-log-head{display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;border-bottom:1px solid var(--line)}
.log-title{font-family:var(--ff-m);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2)}
.log-meta{font-family:var(--ff-m);font-size:12px;color:var(--ink-2)}
.sim-log{list-style:none;font-family:var(--ff-m);font-size:12.6px;line-height:1.5;
  padding:16px 20px;flex:1;min-height:0;overflow-y:auto;max-height:300px;
  display:flex;flex-direction:column;gap:7px;color:var(--ink-2)}
.sim-log>div{display:flex;gap:9px;animation:tick-in .28s ease both}
.sim-log .lg-t{color:var(--ink-2);opacity:.75;flex-shrink:0}
.sim-log .lg-body{color:var(--ink)}
.sim-log .lg-warn{color:var(--warn)}
.sim-log .lg-ok{color:var(--ok)}
.sim-log .lg-err{color:var(--err)}
.sim-log-empty{color:var(--ink-2);opacity:.6}
.sim-outcome{display:flex;align-items:center;gap:14px;padding:16px 20px;border-top:1px solid var(--line);
  background:#EAF7F0}
.outcome-check{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:var(--ok);color:#fff;font-size:18px;flex-shrink:0}
.sim-outcome strong{display:block;font-family:var(--ff-h);color:var(--ink)}
.sim-outcome span{font-family:var(--ff-m);font-size:12.5px;color:var(--ink-2)}

/* ---------- features ---------- */
.features{padding-block:clamp(56px,8vw,88px);background:var(--panel);border-block:1px solid var(--line)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  position:relative;transition:border-color .18s, transform .18s}
.feat-card::before,.feat-card::after{content:"";position:absolute;width:8px;height:8px;pointer-events:none}
.feat-card::before{top:8px;left:8px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.feat-card::after{bottom:8px;right:8px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.feat-card:hover{border-color:var(--cobalt);transform:translateY(-2px)}
.feat-ic{display:grid;place-items:center;width:38px;height:38px;border-radius:var(--r-sm);
  background:var(--panel-tint);color:var(--cobalt-dn);font-size:20px;margin-bottom:14px}
.feat-card h3{margin-bottom:7px}
.feat-card p{color:var(--ink-2);font-size:14px}
.feat-card code{background:var(--panel-tint);color:var(--cobalt-dn);padding:1px 5px;border-radius:4px}

/* ---------- developer experience ---------- */
.dx{padding-block:clamp(56px,8vw,88px)}
.dx-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.dx-copy h2{margin:14px 0 14px}
.dx-copy p{color:var(--ink-2);max-width:42ch}
.dx-list{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:10px}
.dx-list li{display:flex;gap:10px;align-items:baseline;font-size:14.5px;color:var(--ink)}
.dx-list span{color:var(--ok);font-weight:700}
.dx-code{background:var(--code-bg);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-lg)}
.code-tabs{display:flex;align-items:center;gap:2px;padding:8px 8px 0;background:rgba(255,255,255,.03)}
.code-tab{font-family:var(--ff-m);font-size:13px;color:#9fb2d6;background:transparent;border:0;
  padding:9px 14px;border-radius:6px 6px 0 0;cursor:pointer;transition:.15s}
.code-tab:hover{color:#dce6f7}
.code-tab.is-active{background:var(--code-bg);color:#fff}
.code-tab:focus-visible{outline:2px solid var(--cobalt);outline-offset:-2px}
.code-copy{margin-left:auto;font-family:var(--ff-m);font-size:12px;color:#9fb2d6;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  padding:6px 12px;border-radius:6px;cursor:pointer;transition:.15s}
.code-copy:hover{background:rgba(255,255,255,.12);color:#fff}
.code-copy.is-copied{color:#8ff0c2;border-color:rgba(143,240,194,.4)}
.code-pre{padding:18px 20px 22px;overflow-x:auto;margin:0}
.code-pre code{font-family:var(--ff-m);font-size:13px;line-height:1.75;color:var(--code-fg);white-space:pre}
.tok-key{color:#8fb6ff}
.tok-str{color:#9fe0b0}
.tok-fn{color:#e0c58f}
.tok-cm{color:#6b7ea3}

/* ---------- pricing ---------- */
.pricing{padding-block:clamp(56px,8vw,88px);background:var(--panel);border-block:1px solid var(--line)}
.illus{font-family:var(--ff-m);font-size:13px;color:var(--warn)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px;
  display:flex;flex-direction:column;position:relative}
.price-card-feat{border-color:var(--cobalt);box-shadow:0 0 0 1px var(--cobalt), var(--shadow-lg)}
.price-flag{position:absolute;top:-11px;left:26px;background:var(--cobalt);color:#fff;
  font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:100px}
.price-card h3{font-size:16px;color:var(--ink-2);font-weight:600}
.price{display:flex;align-items:baseline;gap:4px;margin:10px 0 4px}
.price-num{font-family:var(--ff-h);font-weight:700;font-size:38px;letter-spacing:-.03em;color:var(--ink)}
.price-per{font-family:var(--ff-m);font-size:14px;color:var(--ink-2)}
.price-cap{font-family:var(--ff-m);font-size:13px;color:var(--cobalt-dn);margin-bottom:18px}
.price-card ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:22px;flex:1}
.price-card li{font-size:14px;color:var(--ink-2);padding-left:20px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* calculator */
.calc{margin-top:28px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden}
.calc-head{padding:22px 26px 0}
.calc-head h3{margin-top:8px;font-size:22px}
.calc-body{padding:22px 26px 26px}
.calc-inputs{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:24px}
.calc-field label{display:flex;justify-content:space-between;align-items:baseline;
  font-size:13.5px;color:var(--ink-2);margin-bottom:10px;font-weight:500}
.calc-out-inline{font-family:var(--ff-m);font-size:15px;color:var(--ink);font-weight:500}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:100px;
  background:var(--line);cursor:pointer;outline-offset:4px}
input[type=range]:focus-visible{outline:2px solid var(--cobalt)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;
  border-radius:50%;background:var(--cobalt);border:3px solid #fff;box-shadow:var(--shadow),0 0 0 1px var(--line);cursor:pointer}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--cobalt);
  border:3px solid #fff;box-shadow:var(--shadow),0 0 0 1px var(--line);cursor:pointer}
.calc-result{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:22px}
.calc-col{display:flex;flex-direction:column;gap:4px;text-align:center}
.calc-col-label{font-family:var(--ff-m);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2)}
.calc-col-val{font-family:var(--ff-h);font-weight:700;font-size:clamp(26px,4vw,38px);letter-spacing:-.03em;color:var(--ink)}
.calc-col-us .calc-col-val{color:var(--cobalt)}
.calc-col-note{font-family:var(--ff-m);font-size:11px;color:var(--ink-2);line-height:1.4}
.calc-vs{font-family:var(--ff-m);font-size:13px;color:var(--ink-2)}
.calc-save{text-align:center;margin-top:16px;font-family:var(--ff-h);font-weight:600;font-size:clamp(15px,2vw,18px);color:var(--ok)}
.calc-fine{text-align:center;margin-top:8px;font-size:12px;color:var(--ink-2);opacity:.85}

/* ---------- faq ---------- */
.faq{padding-block:clamp(56px,8vw,88px)}
.faq-in{max-width:760px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 20px;box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:17px 0;font-family:var(--ff-h);font-weight:600;
  font-size:16px;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--ff-m);font-size:20px;color:var(--cobalt);
  transition:transform .2s;flex-shrink:0}
.faq details[open] summary::after{content:"−"}
.faq summary:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px;border-radius:4px}
.faq details p{color:var(--ink-2);font-size:14.5px;padding:0 0 18px;max-width:64ch}
.faq details code{background:var(--panel-tint);color:var(--cobalt-dn);padding:1px 5px;border-radius:4px}

/* ---------- cta band ---------- */
.cta-band{background:var(--code-bg);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(90% 120% at 20% 100%,#000,transparent 60%);
  mask-image:radial-gradient(90% 120% at 20% 100%,#000,transparent 60%)}
.cta-in{position:relative;text-align:center;padding-block:clamp(56px,8vw,88px);max-width:640px;margin:0 auto}
.cta-annot{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;width:min(280px,60%)}
.cta-annot .dim-line{background-image:linear-gradient(90deg,rgba(255,255,255,.5) 40%,transparent 0);background-size:6px 1px}
.cta-annot .dim-line::before,.cta-annot .dim-line::after{background:rgba(255,255,255,.6)}
.cta-annot .dim-label{color:rgba(255,255,255,.7)}
.cta-band h2{color:#fff;font-size:clamp(28px,4.4vw,44px)}
.cta-in p{color:#b9c6e0;margin:14px 0 28px;font-size:17px}

/* ---------- footer ---------- */
.footer{background:var(--panel);border-top:1px solid var(--line);padding-top:52px}
.footer-in{display:grid;grid-template-columns:1.2fr 2fr;gap:40px;padding-bottom:36px}
.footer-tag{font-family:var(--ff-m);font-size:13px;color:var(--ink-2);margin:14px 0 16px}
.concept-badge{display:inline-block;font-family:var(--ff-m);font-size:11.5px;color:var(--warn);
  border:1px solid var(--warn-chip);background:#FEF6E0;padding:5px 11px;border-radius:100px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h3{font-size:12px;font-family:var(--ff-m);text-transform:uppercase;letter-spacing:.1em;
  color:var(--ink-2);margin-bottom:14px;font-weight:500}
.footer-col a{display:block;color:var(--ink-2);text-decoration:none;font-size:14px;padding:4px 0;transition:color .15s}
.footer-col a:hover{color:var(--cobalt-dn)}
.lh-badge{display:inline-block;font-family:var(--ff-m);font-size:12px;color:var(--ok);
  background:#EAF7F0;border:1px solid #C4E8D6;padding:4px 10px;border-radius:6px;margin:0 6px 6px 0}
.footer-legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-block:20px;font-size:12.5px;color:var(--ink-2);opacity:.9}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:920px){
  .hero-in{grid-template-columns:1fr;gap:36px}
  .dx-in{grid-template-columns:1fr;gap:28px}
  .footer-in{grid-template-columns:1fr;gap:28px}
  .pipeline{grid-template-columns:1fr}
  .pipe-arrow{width:1px;height:30px;justify-self:center;margin:2px 0;
    background-image:linear-gradient(180deg,var(--ink-2) 45%,transparent 0);background-size:1px 7px}
  .pipe-arrow::after{right:auto;top:auto;bottom:0;left:-3.5px;
    border-left:4px solid transparent;border-right:4px solid transparent;
    border-top:7px solid var(--ink-2);border-bottom:0}
}
@media (max-width:760px){
  .nav{display:none}
  .pain-grid,.feat-grid,.pricing-grid{grid-template-columns:1fr}
  .sim-stage{grid-template-columns:1fr}
  .sim-pipe{border-right:0;border-bottom:1px solid var(--line)}
  .sim-send{margin-left:0}
  .stack-list{margin-left:0;gap:18px}
  .calc-inputs{grid-template-columns:1fr;gap:18px}
  .calc-result{grid-template-columns:1fr;gap:18px}
  .calc-vs{display:none}
}
@media (max-width:520px){
  .topbar-cta .btn-ghost{display:none}
  .footer-cols{grid-template-columns:1fr 1fr}
  .footer-legal{flex-direction:column;gap:6px}
  .hero-facts{gap:18px}
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important}
  .sim-packet{transition:none}
  .panel-live i{animation:none}
}