/* ============================================================
   RAINCOAST SOLAR — Design System
   Aesthetic: Pacific-Northwest engineered. Marine ink + solar amber.
   Editorial serif (Fraunces) x technical sans (IBM Plex).
   ============================================================ */

:root{
  /* palette */
  --ink:#0B1A2B;        /* deep marine ink (primary dark) */
  --ink-2:#0F2438;
  --ink-3:#16304a;
  --slate:#32465b;
  --mist:#556472;       /* muted text — WCAG AA on light bg */
  --mist-soft:#8EA1B2;  /* muted text on dark bg */
  --line:rgba(11,26,43,.12);
  --line-soft:rgba(11,26,43,.07);
  --bone:#F6F4EF;       /* warm light bg */
  --bone-2:#EEEAE1;
  --paper:#ffffff;
  --amber:#E9A23B;      /* solar accent */
  --amber-deep:#C6811F;
  --amber-text:#8A5A0E; /* amber for normal-size text — WCAG AA on light bg */
  --amber-soft:#F6E4C4;
  --teal:#2E8B7F;       /* resilience / battery */
  --rain:#4C6B87;       /* storm / cool */
  --danger:#b3402f;
  --ok:#2f855a;

  /* type */
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-sans:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",monospace;

  /* scale */
  --step--1:clamp(.82rem,.79rem + .15vw,.9rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.09rem);
  --step-1:clamp(1.2rem,1.12rem + .4vw,1.45rem);
  --step-2:clamp(1.45rem,1.3rem + .75vw,1.95rem);
  --step-3:clamp(1.8rem,1.5rem + 1.5vw,2.7rem);
  --step-4:clamp(2.3rem,1.75rem + 2.7vw,3.9rem);
  --step-5:clamp(2.9rem,2rem + 4.4vw,5.4rem);

  --maxw:1200px;
  --gutter:clamp(1.1rem,4vw,2.4rem);
  --r:6px;
  --r-lg:14px;
  --shadow:0 1px 2px rgba(11,26,43,.06),0 12px 34px -18px rgba(11,26,43,.28);
  --shadow-lg:0 30px 80px -40px rgba(11,26,43,.55);
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bone);color:var(--ink);
  font-family:var(--font-sans);font-size:var(--step-0);line-height:1.6;
  font-feature-settings:"ss01","cv05";-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:560;line-height:1.04;
  letter-spacing:-.015em;margin:0;font-optical-sizing:auto}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2.5px solid var(--amber);outline-offset:3px;border-radius:3px}
::selection{background:var(--amber);color:var(--ink)}
hr{border:0;border-top:1px solid var(--line);margin:0}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:820px}
.section{padding-block:clamp(3.4rem,9vw,7rem)}
.section--tight{padding-block:clamp(2.4rem,6vw,4rem)}
.dark{background:var(--ink);color:#e9eef3}
.dark h1,.dark h2,.dark h3{color:#fff}
.paper{background:var(--paper)}
.bone2{background:var(--bone-2)}

.eyebrow{font-family:var(--font-mono);font-size:var(--step--1);letter-spacing:.24em;
  text-transform:uppercase;color:var(--amber-text);font-weight:500;margin:0 0 1rem;display:inline-flex;gap:.7ch;align-items:center}
.dark .eyebrow{color:var(--amber)}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.6}

.lede{font-size:var(--step-1);line-height:1.5;color:var(--slate);max-width:60ch}
.dark .lede{color:#b8c6d4}
.muted{color:var(--mist)}
.mono{font-family:var(--font-mono)}

.h-hero{font-size:var(--step-5)}
.h-xl{font-size:var(--step-4)}
.h-lg{font-size:var(--step-3)}
.h-md{font-size:var(--step-2)}
.amber{color:var(--amber-text)}
.dark .amber,.bill .amber{color:var(--amber)}
em.serif{font-style:italic;font-family:var(--font-display)}

.grid{display:grid;gap:clamp(1.2rem,3vw,2rem)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:860px){.g-3,.g-4{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,5vw,4rem);align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6ch;padding:.92em 1.5em;border-radius:var(--r);
  font-family:var(--font-sans);font-weight:600;font-size:var(--step-0);letter-spacing:.005em;
  border:1.5px solid transparent;transition:transform .18s var(--ease),background .2s,box-shadow .2s,color .2s;
  line-height:1;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--amber);color:var(--ink);box-shadow:0 10px 24px -12px rgba(233,162,59,.9)}
.btn--primary:hover{background:#f2af4c;box-shadow:0 16px 30px -12px rgba(233,162,59,.9)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-3)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.dark .btn--ghost,.hero .btn--ghost{border-color:rgba(255,255,255,.32);color:#fff}
.btn--ghost:hover{border-color:var(--ink)}
.dark .btn--ghost:hover,.hero .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--lg{padding:1.05em 1.8em;font-size:var(--step-1)}
.btn-row{display:flex;flex-wrap:wrap;gap:.9rem;align-items:center}
.arrow{transition:transform .2s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.textlink{display:inline-flex;gap:.5ch;align-items:center;font-weight:600;color:var(--amber-text);
  border-bottom:1.5px solid var(--amber);padding-bottom:1px}
.dark .textlink{color:var(--amber)}
.textlink:hover{gap:.9ch}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.82);
  -webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line-soft)}
.site-header.on-dark{background:transparent;border-color:transparent;position:absolute;left:0;right:0}
.site-header.on-dark .nav a,.site-header.on-dark .brand{color:#fff}
.site-header.on-dark .nav-toggle{color:#fff}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:74px}
.brand{display:flex;align-items:center;gap:.7ch;font-family:var(--font-display);font-weight:600;
  font-size:1.28rem;letter-spacing:-.02em}
.brand .mark{width:30px;height:30px;flex:none}
.brand small{font-family:var(--font-mono);font-size:.56rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber-text);display:block;line-height:1;margin-top:2px}
.nav{display:flex;align-items:center;gap:1.7rem}
.nav a{font-size:.96rem;font-weight:500;color:var(--slate);transition:color .2s}
.nav a:hover{color:var(--ink)}
.site-header.on-dark .nav a{color:#cdd8e2}
.site-header.on-dark .nav a:hover{color:#fff}
.nav .btn{padding:.62em 1.15em}
.nav-toggle{display:none;background:none;border:0;padding:.4rem;color:inherit}
.nav-toggle svg{width:26px;height:26px}
@media (max-width:920px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(86vw,360px);flex-direction:column;align-items:flex-start;
    justify-content:center;gap:1.4rem;background:var(--ink);color:#fff;padding:2.5rem var(--gutter);
    display:none;box-shadow:var(--shadow-lg)}
  .nav.open{display:flex;animation:navIn .32s var(--ease)}
  .nav a{color:#dfe7ee;font-size:1.15rem}
  .nav .btn{margin-top:.5rem}
  .nav-toggle{display:inline-flex;z-index:70}
  .nav-backdrop{position:fixed;inset:0;background:rgba(6,14,22,.55);opacity:0;visibility:hidden;
    transition:.3s;z-index:55}
  .nav-backdrop.open{opacity:1;visibility:visible}
}
@keyframes navIn{from{transform:translateX(100%);opacity:.5}to{transform:translateX(0);opacity:1}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:clamp(620px,92vh,880px);display:flex;align-items:flex-end;
  color:#fff;overflow:hidden;background:var(--ink)}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media video,.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,17,28,.55) 0%,rgba(8,17,28,.35) 38%,rgba(8,17,28,.86) 100%),
  radial-gradient(120% 90% at 15% 10%,rgba(11,26,43,.25),transparent 60%)}
.hero__placeholder{position:absolute;inset:0;
  background:
   radial-gradient(90% 70% at 78% 8%,rgba(233,162,59,.22),transparent 55%),
   linear-gradient(155deg,#0a1826 0%,#0f2c44 55%,#0b1f31 100%)}
.hero__inner{position:relative;z-index:2;padding-block:clamp(6rem,15vh,9rem) clamp(2.6rem,6vw,4rem);width:100%}
.hero h1{font-size:var(--step-5);max-width:16ch;font-weight:540}
.hero .lede{color:#dce6ef;margin:1.3rem 0 2rem;font-size:var(--step-1)}
.trust-row{display:flex;flex-wrap:wrap;gap:1.1rem 1.8rem;margin-top:2.4rem;padding-top:1.6rem;
  border-top:1px solid rgba(255,255,255,.16);align-items:center}
.trust-row li{display:flex;align-items:center;gap:.6ch;font-family:var(--font-mono);font-size:.76rem;
  letter-spacing:.06em;text-transform:uppercase;color:#c7d3de}
.trust-row svg{width:17px;height:17px;color:var(--amber)}
.hero-note{position:absolute;right:var(--gutter);top:clamp(6rem,15vh,9rem);z-index:2;
  writing-mode:vertical-rl;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.24em;
  text-transform:uppercase;color:rgba(255,255,255,.5)}
@media (max-width:720px){.hero-note{display:none}}

/* video-placeholder banner (build-time helper) */
.media-placeholder{display:flex;align-items:center;justify-content:center;text-align:center;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.6);padding:1rem}

/* ---------- stat / figures ---------- */
.stat{display:flex;flex-direction:column;gap:.25rem}
.stat .num{font-family:var(--font-display);font-size:var(--step-3);font-weight:560;line-height:1;
  letter-spacing:-.02em}
.stat .lab{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mist)}
.dark .stat .lab{color:#8ea1b2}
.figure-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.dark .figure-band{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.14)}
.figure-band .cell{background:var(--bone);padding:clamp(1.2rem,3vw,1.9rem)}
.dark .figure-band .cell{background:var(--ink-2)}
@media (max-width:760px){.figure-band{grid-template-columns:1fr 1fr}}

/* ---------- cards ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card h3{font-size:var(--step-1);margin-bottom:.5rem}
.card .icn{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;
  background:var(--amber-soft);color:var(--amber-deep);margin-bottom:1.1rem}
.card .icn svg{width:23px;height:23px}
.card--dark{background:var(--ink-2);border-color:rgba(255,255,255,.1);color:#dce6ef}
.card--dark h3{color:#fff}
.card--feature{border-color:var(--amber);box-shadow:0 24px 60px -34px rgba(233,162,59,.7)}
.tag{display:inline-block;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;padding:.35em .7em;border-radius:100px;background:var(--amber-soft);
  color:var(--amber-text);font-weight:500}
.tag--teal{background:rgba(46,139,127,.14);color:#1f6b60}
.tag--rain{background:rgba(76,107,135,.15);color:#3a5670}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;grid-template-columns:repeat(3,1fr)}
@media (max-width:820px){.steps{grid-template-columns:1fr}}
.step{background:var(--bone);padding:clamp(1.6rem,3.4vw,2.4rem);position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-mono);
  font-size:.8rem;letter-spacing:.1em;color:var(--amber-text);font-weight:600}
.step h3{font-size:var(--step-1);margin:.8rem 0 .5rem}
.step p{color:var(--slate);margin:0}

/* ---------- bill compare ---------- */
.bill{background:var(--ink-2);border-radius:var(--r-lg);padding:clamp(1.5rem,4vw,2.4rem);color:#dce6ef;
  border:1px solid rgba(255,255,255,.09)}
.bar{margin:1.1rem 0}
.bar .top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.45rem;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase}
.bar .track{height:16px;border-radius:100px;background:rgba(255,255,255,.09);overflow:hidden}
.bar .fill{height:100%;border-radius:100px;transform-origin:left;transition:width 1s var(--ease)}
.bar .fill.before{background:linear-gradient(90deg,#5a7186,#7d94a8)}
.bar .fill.after{background:linear-gradient(90deg,var(--amber-deep),var(--amber))}
.bar .val{font-family:var(--font-display);font-size:var(--step-1)}
.disclaimer{font-size:.78rem;color:var(--mist);line-height:1.5;margin-top:1.2rem}
.dark .disclaimer{color:#8095a6}

/* ---------- rebate stack ---------- */
.stack-item{display:flex;gap:1.1rem;align-items:flex-start;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.stack-item:last-child{border-bottom:0}
.stack-item .amt{font-family:var(--font-display);font-size:var(--step-2);min-width:4.5ch;color:var(--amber-text);line-height:1}
.dark .stack-item .amt{color:var(--amber)}
.stack-item h4{font-size:var(--step-0);font-family:var(--font-sans);font-weight:700;margin:.1rem 0 .3rem}
.stack-item p{margin:0;color:var(--slate);font-size:.94rem}

/* ---------- forms ---------- */
.field{margin-bottom:1.15rem}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.4rem}
.field .hint{font-size:.8rem;color:var(--mist);margin-top:.3rem}
.input,select,textarea{width:100%;padding:.85em 1em;border:1.5px solid var(--line);border-radius:var(--r);
  background:var(--paper);color:var(--ink);font:inherit;transition:border-color .2s,box-shadow .2s}
.input:focus,select:focus,textarea:focus{border-color:var(--amber);box-shadow:0 0 0 4px rgba(233,162,59,.15);outline:none}
textarea{min-height:120px;resize:vertical}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
@media (max-width:480px){.choice-grid{grid-template-columns:1fr}}
.choice{position:relative}
.choice input{position:absolute;opacity:0;inset:0;cursor:pointer}
.choice span{display:flex;flex-direction:column;gap:.15rem;border:1.5px solid var(--line);border-radius:var(--r);
  padding:.95em 1.1em;transition:.2s;font-weight:600}
.choice span small{font-weight:400;color:var(--mist);font-size:.82rem}
.choice input:checked+span{border-color:var(--amber);background:var(--amber-soft)}
.choice input:focus-visible+span{box-shadow:0 0 0 4px rgba(233,162,59,.2)}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-error{display:flex;gap:.6rem;align-items:flex-start;background:rgba(179,64,47,.09);
  border:1px solid rgba(179,64,47,.32);color:#8f2f21;border-radius:var(--r);
  padding:.85rem 1rem;margin-bottom:1.2rem;font-size:.92rem;line-height:1.45}
.form-error[hidden]{display:none}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.84rem;color:var(--slate)}
.consent input{margin-top:.25rem;width:18px;height:18px;accent-color:var(--amber-deep);flex:none}

input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:100px;
  background:linear-gradient(90deg,var(--amber) var(--pct,40%),var(--bone-2) var(--pct,40%));outline-offset:6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;
  background:var(--ink);border:3px solid var(--amber);cursor:pointer;box-shadow:var(--shadow)}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:var(--ink);
  border:3px solid var(--amber);cursor:pointer}

/* ---------- calculator ---------- */
.calc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.calc__head{display:flex;justify-content:space-between;align-items:center;padding:1.2rem clamp(1.3rem,3vw,2rem);
  border-bottom:1px solid var(--line);background:var(--bone)}
.calc__steps{display:flex;gap:.5rem}
.calc__dot{width:9px;height:9px;border-radius:50%;background:var(--bone-2);transition:.3s}
.calc__dot.active{background:var(--amber);transform:scale(1.25)}
.calc__body{padding:clamp(1.4rem,4vw,2.4rem)}
.calc__panel{display:none}
.calc__panel.active{display:block;animation:fade .4s var(--ease)}
.calc__foot{display:flex;justify-content:space-between;gap:1rem;padding:1.2rem clamp(1.3rem,3vw,2rem);
  border-top:1px solid var(--line);background:var(--bone)}
.result-figure{font-family:var(--font-display);font-size:var(--step-4);color:var(--amber-deep);line-height:1}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--line);padding:.4rem 0}
.faq summary{list-style:none;cursor:pointer;padding:1.1rem 0;display:flex;justify-content:space-between;
  align-items:center;gap:1.5rem;font-family:var(--font-display);font-size:var(--step-1);font-weight:520}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:none;width:28px;height:28px;border:1.5px solid var(--line);border-radius:50%;
  display:grid;place-items:center;transition:.25s;position:relative}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;background:var(--amber-deep);border-radius:2px}
.faq summary .pm::before{width:12px;height:2px}
.faq summary .pm::after{width:2px;height:12px;transition:transform .25s}
.faq details[open] summary .pm{background:var(--amber-soft);border-color:var(--amber)}
.faq details[open] summary .pm::after{transform:scaleY(0)}
.faq .ans{padding:0 0 1.3rem;color:var(--slate);max-width:70ch}
.faq .ans a{color:var(--amber-text);border-bottom:1px solid var(--amber)}

/* ---------- callout / notes ---------- */
.note{border-left:3px solid var(--amber);background:var(--amber-soft);padding:1.1rem 1.3rem;border-radius:0 var(--r) var(--r) 0;font-size:.92rem;color:#5a4415}
.note--rain{border-color:var(--rain);background:rgba(76,107,135,.1);color:#33475b}
.note strong{font-weight:700}
.breadcrumb{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mist);margin-bottom:1.2rem}
.breadcrumb a:hover{color:var(--amber-text)}
.pill-row{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.4rem 0}
.check{display:flex;gap:.7rem;align-items:flex-start;margin:.7rem 0;color:var(--slate)}
.check svg{width:20px;height:20px;color:var(--teal);flex:none;margin-top:2px}
.dark .check{color:#c4d1dc}

/* sticky mobile CTA */
.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;gap:.6rem;padding:.6rem;
  background:rgba(11,26,43,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.mobile-cta .btn{flex:1;padding:.85em 1em}
@media (max-width:720px){.mobile-cta{display:flex}body{padding-bottom:70px}}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#aebdc9;padding-block:clamp(3rem,7vw,4.5rem) 2rem}
.footer a{color:#c7d3de;transition:.2s}
.footer a:hover{color:var(--amber)}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2rem}
@media (max-width:820px){.footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer .cols{grid-template-columns:1fr}}
.footer h4{color:#fff;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;font-weight:500;margin-bottom:1.1rem}
.footer li{margin-bottom:.6rem;font-size:.94rem}
.footer .fine{margin-top:2.6rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.8rem;color:#7e91a2}
.footer .brand{color:#fff}
.footer .fine a{text-decoration:underline;text-underline-offset:2px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover{transform:none}
  *{animation-duration:.001ms!important}
}

/* topographic texture helper */
.topo{position:relative}
.topo::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cg fill='none' stroke='%230b1a2b' stroke-opacity='0.05' stroke-width='1'%3E%3Cpath d='M0 80 Q100 40 200 80 T400 80'/%3E%3Cpath d='M0 140 Q100 100 200 140 T400 140'/%3E%3Cpath d='M0 200 Q100 160 200 200 T400 200'/%3E%3Cpath d='M0 260 Q100 220 200 260 T400 260'/%3E%3Cpath d='M0 320 Q100 280 200 320 T400 320'/%3E%3C/g%3E%3C/svg%3E")}
.center{text-align:center}
.center .lede{margin-inline:auto}
.maxw-head{max-width:22ch}
.center .maxw-head{margin-inline:auto}

/* active nav (injected header) */
.nav a[aria-current="page"]{color:var(--amber-text);font-weight:600}
.site-header.on-dark .nav a[aria-current="page"]{color:var(--amber)}

/* keep amber CTA text dark on every header state (WCAG AA on amber) */
.site-header .nav .btn--primary,
.site-header.on-dark .nav .btn--primary{color:var(--ink)}

/* muted text stays legible on dark surfaces after --mist was darkened for light bg */
.dark .muted,.dark .mono,.card--dark .muted,.bill .mono,.bill .top,.bill .muted{color:var(--mist-soft)}

/* brand tagline "small" needs bright amber on dark surfaces (footer + hero header) */
.footer .brand small,.site-header.on-dark .brand small{color:var(--amber)}

/* uploaded brand logo */
.brand{width:66px;height:52px;padding:0;gap:0;background:url("../logo.png") no-repeat left center;background-size:contain;overflow:hidden}.brand svg.mark{display:none}.brand>span{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.site-header.on-dark .brand,.footer .brand{background-image:url("../logo-light.png")}.footer .brand{width:74px;height:58px}@media(max-width:920px){.brand{width:60px;height:48px}}