/* The AirGap Blueprints — card page at read.airgapblueprints.com */
:root{
  --amber:#ffbd59; --red:#d1180c; --brown:#7b481e; --ink:#241008;
  --cream:#fdf8f2; --stripe:#fff8ef; --soft:#fbe2c8; --hair:#eee0d2;
  --line:rgba(255,248,239,.1); --dim:#cbb9a7;
  --serif:'Playfair Display','Lora',Georgia,serif;
  --sans:'League Spartan','Poppins',system-ui,sans-serif;
  --label:'Cinzel','Lora',Georgia,serif;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 .97 0 0 0 0 .92 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body.cd{margin:0;background:var(--ink);color:var(--stripe);font:400 16px/1.5 var(--sans);overflow-x:hidden}
.cd a{color:inherit}
.cd a:focus-visible,.cd button:focus-visible,.cd summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:6px}
.cd-sprite{position:absolute;width:0;height:0;overflow:hidden}
.cd svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.cd-mark svg{stroke:none}

.cd-main{max-width:460px;margin:0 auto}

/* Hero */
.cd-hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;align-items:center;
  padding:calc(14px + env(safe-area-inset-top)) 20px 26px;text-align:center;overflow:hidden;isolation:isolate;
  background:
    radial-gradient(120% 60% at 50% 30%,rgba(255,189,89,.42) 0%,rgba(255,189,89,0) 62%),
    radial-gradient(110% 55% at 85% 95%,rgba(209,24,12,.5) 0%,rgba(209,24,12,0) 62%),
    radial-gradient(90% 50% at 0% 80%,rgba(123,72,30,.55) 0%,rgba(123,72,30,0) 70%),
    var(--ink)}
.cd-hero::after{content:"";position:absolute;inset:0;background:var(--grain);opacity:.7;z-index:-1;pointer-events:none}
.cd-top{width:100%;display:flex;align-items:center;justify-content:space-between}
.cd-mark{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--cream);box-shadow:0 2px 10px rgba(0,0,0,.25)}
.cd-mark svg{width:28px;height:29px}
.cd-dom{font:600 11px/1 var(--label);letter-spacing:2.4px;text-transform:uppercase;color:var(--amber);text-decoration:none;padding:8px 0}
.cd-dom:hover{color:var(--stripe)}

.cd-fan{position:relative;width:min(330px,86vw);aspect-ratio:300/240;margin:auto 0 18px;flex:none}
.cd-fan img{position:absolute;bottom:0;left:50%;width:42%;height:auto;border-radius:3px;box-shadow:0 14px 30px rgba(0,0,0,.45);transform-origin:50% 100%}
.cd-fan .f1{transform:translateX(-118%) rotate(-12deg) scale(.86)}
.cd-fan .f2{transform:translateX(18%) rotate(12deg) scale(.86)}
.cd-fan .f0{width:52%;transform:translateX(-50%) rotate(-2deg);box-shadow:0 22px 44px rgba(0,0,0,.55)}

.cd-kicker{display:flex;align-items:center;gap:12px;margin:0 0 10px;font:600 11px/1.3 var(--label);letter-spacing:2.6px;text-transform:uppercase;color:var(--amber)}
.cd-kicker::before,.cd-kicker::after{content:"";width:22px;height:1px;background:currentColor;opacity:.8}
.cd-hero h1{margin:0;font:900 clamp(34px,10vw,44px)/1.04 var(--serif);letter-spacing:-.3px;color:var(--stripe)}
.cd-by{margin:10px 0 0;font:italic 500 17px/1.35 var(--serif);color:var(--soft)}
.cd-by a{color:var(--stripe);text-decoration-color:rgba(255,189,89,.6);text-underline-offset:3px}
.cd-lede{margin:10px auto 0;max-width:30ch;font-size:15.5px;color:var(--dim)}

.cd-actions{display:flex;align-items:center;gap:8px;margin:22px 0 0;padding:6px;border-radius:999px;
  background:rgba(255,248,239,.08);border:1px solid rgba(255,248,239,.14);box-shadow:0 10px 30px rgba(0,0,0,.25);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.cd-cta{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px 0 20px;border-radius:999px;background:var(--red);color:#fff;
  font:600 14px/1 var(--sans);letter-spacing:2px;text-transform:uppercase;text-decoration:none;box-shadow:0 6px 18px rgba(209,24,12,.45),inset 0 1px 0 rgba(255,255,255,.2)}
.cd-cta:hover{filter:brightness(1.08)}
.cd-cta svg{width:22px;height:22px}
.cd-round{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;border:1.5px solid rgba(255,189,89,.7);background:rgba(36,16,8,.35);
  color:var(--amber);cursor:pointer;padding:0;text-decoration:none}
.cd-round:hover{background:rgba(255,189,89,.14)}
.cd-round[hidden]{display:none}
.cd-status{min-height:20px;margin:8px 0 0;font-size:14px;color:var(--amber)}
.cd-scroll{display:grid;place-items:center;width:40px;height:40px;margin-top:auto;color:var(--dim);border-radius:50%}
.cd-scroll svg{width:20px;height:20px}
@media (prefers-reduced-motion:no-preference){.cd-scroll svg{animation:cd-bob 2.4s ease-in-out infinite}}
@keyframes cd-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* Link lists */
.cd-links,.cd-cats,.cd-extra{padding:28px 20px 6px}
.cd-cats{padding-bottom:2px}
.cd-label{display:flex;align-items:center;gap:12px;margin:0 0 12px;font:600 11px/1.3 var(--label);letter-spacing:2.6px;text-transform:uppercase;color:var(--amber)}
.cd-label::before{content:"";width:22px;height:1px;background:currentColor}
.cd-list{list-style:none;margin:0 0 26px;padding:0}
.cd-list li+li{border-top:1px solid var(--line)}
.cd-list a{display:flex;align-items:center;gap:14px;padding:13px 2px;text-decoration:none;min-height:64px}
.cd-list a:hover b{color:var(--amber)}
.cd-ico{display:grid;place-items:center;width:40px;height:40px;border-radius:9px;background:rgba(123,72,30,.42);color:var(--amber);flex:none}
.cd-ico svg{width:21px;height:21px}
.cd-thumb{width:40px;height:60px;object-fit:cover;border-radius:2px;box-shadow:0 4px 10px rgba(0,0,0,.4);flex:none}
.cd-t{display:flex;flex-direction:column;min-width:0;flex:1}
.cd-t b{font-weight:600;font-size:16px;line-height:1.25;color:var(--stripe)}
.cd-t small{font-size:14px;line-height:1.35;color:var(--dim);overflow-wrap:anywhere}
.cd-go{color:var(--dim);width:18px!important;height:18px!important}

/* Cats */
.cd-h2{margin:0;font:900 30px/1.1 var(--serif);color:var(--stripe)}
.cd-h2 em{display:block;font-style:normal;color:var(--amber)}
.cd-p{margin:12px 0 18px;color:var(--dim);font-size:15.5px}
.cd-cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px}
.cd-cat{margin:0;background:#2f170c;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cd-cat img{display:block;width:100%;height:auto;aspect-ratio:720/760;object-fit:cover;object-position:50% 12%;background:#fcf2e6}
.cd-cat figcaption{display:flex;flex-direction:column;gap:3px;padding:12px 12px 14px}
.cd-cat b{font:italic 500 22px/1.1 var(--serif);color:var(--stripe)}
.cd-cat span{font:600 10px/1.35 var(--label);letter-spacing:1.6px;text-transform:uppercase;color:#ff6a4d}
.cd-cat small{font-size:13.5px;line-height:1.35;color:var(--dim);margin-top:4px}

/* QR + home screen */
.cd-qr{display:none;align-items:center;gap:16px;padding:16px;border-radius:16px;background:var(--cream);color:var(--ink);margin-bottom:14px}
.cd-qr img{width:112px;height:112px;flex:none;border-radius:8px}
.cd-qr-h{margin:0 0 4px;font:900 22px/1.1 var(--serif)}
.cd-qr p{margin:0;font-size:14.5px;line-height:1.4;color:#4a3a30}
.cd-qr .cd-qr-url{margin-top:8px;font:600 13px/1.2 var(--sans);letter-spacing:.2px;color:var(--red);white-space:nowrap}
@media (max-width:360px){.cd-qr{flex-direction:column;text-align:center}.cd-qr img{width:150px;height:150px}}
.cd-home{border:1px solid var(--line);border-radius:16px;margin-bottom:24px}
.cd-home summary{display:flex;align-items:center;gap:14px;padding:12px 14px;cursor:pointer;list-style:none}
.cd-home summary::-webkit-details-marker{display:none}
.cd-home summary::after{content:"+";font:400 26px/1 var(--sans);color:var(--amber);margin-left:auto}
.cd-home[open] summary::after{content:"−"}
.cd-home-body{padding:0 16px 14px 68px;color:var(--dim);font-size:15px}
.cd-home-body p{margin:0 0 8px}
.cd-home-body b{color:var(--stripe);font-weight:600}

/* Footer */
.cd-foot{padding:10px 20px calc(36px + env(safe-area-inset-bottom));text-align:center;color:var(--dim);font-size:13.5px;border-top:1px solid var(--line)}
.cd-foot .cd-mark{margin:22px 0 10px}
.cd-foot p{margin:4px 0}
.cd-thanks{font:italic 500 18px/1.3 var(--serif);color:var(--stripe)}
.cd-foot a:not(.cd-mark){color:var(--amber)}

/* Wider screens: the card stays phone-width, the QR sits beside it */
.cd-extra,.cd-foot{max-width:460px;margin-left:auto;margin-right:auto}
@media (min-width:900px){
  body.cd{background:
    radial-gradient(60% 50% at 20% 10%,rgba(255,189,89,.16),transparent 70%),
    radial-gradient(50% 50% at 90% 90%,rgba(209,24,12,.18),transparent 70%),var(--ink)}
  .cd-page{display:grid;grid-template-columns:460px 300px;grid-template-areas:"main aside" "foot aside";column-gap:56px;justify-content:center;align-items:start;padding:40px 24px 0}
  .cd-main{grid-area:main;margin:0;border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.45);background:var(--ink)}
  .cd-hero{min-height:780px}
  .cd-extra{grid-area:aside;position:sticky;top:40px;margin:0;padding:0}
  .cd-foot{grid-area:foot;margin:0;border-top:0}
  .cd-qr{display:flex;flex-direction:column;text-align:center;padding:26px 22px}
  .cd-qr img{width:220px;height:220px}
  .cd-home{display:none}
}

/* QR pop-up */
.cd-dialog{width:min(360px,calc(100vw - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:28px 24px 24px;border:0;border-radius:22px;
  background:var(--cream);color:var(--ink);text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.55);overflow:auto}
.cd-dialog::backdrop{background:rgba(20,8,4,.78);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.cd-dialog-kicker{margin:0 0 6px;font:600 11px/1.3 var(--label);letter-spacing:2.4px;text-transform:uppercase;color:var(--brown)}
.cd-dialog h2{margin:0 0 16px;font:900 26px/1.1 var(--serif)}
.cd-dialog img{display:block;width:min(260px,100%);height:auto;margin:0 auto;border-radius:10px}
.cd-dialog-url{margin:14px 0 4px;font:600 16px/1.2 var(--sans);color:var(--red)}
.cd-dialog-p{margin:0;font-size:15px;line-height:1.4;color:#4a3a30}
.cd-x{position:absolute;top:10px;right:10px;display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--ink);cursor:pointer}
.cd-x:hover{background:rgba(36,16,8,.08)}
.cd-dialog .cd-x:focus-visible{outline:3px solid var(--red);outline-offset:2px}
@media (prefers-reduced-motion:no-preference){.cd-dialog[open]{animation:cd-pop .22s ease-out}}
@keyframes cd-pop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}

/* Add to Home Screen pop-up */
.cd-dialog-home{text-align:left}
.cd-dialog-home .cd-dialog-kicker,.cd-dialog-home h2,.cd-dialog-home .cd-dialog-url{text-align:center}
.cd-dialog-home h2{margin-bottom:6px}
.cd-dialog-home .cd-dialog-url{margin:0 0 18px}
.cd-steps-h{margin:0 0 8px;font:600 11px/1.3 var(--label);letter-spacing:1.8px;text-transform:uppercase;color:var(--brown)}
.cd-steps{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:10px}
.cd-steps li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.4;color:var(--ink)}
.cd-step-n{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--red);color:#fff;font:600 13px/1 var(--sans)}
.cd-inline{width:18px!important;height:18px!important;vertical-align:-3px;color:var(--red)}
.cd-dialog-home .cd-dialog-p{margin:0 0 16px;color:var(--ink)}
.cd-dialog-note{margin:0;padding:12px 14px;border-radius:12px;background:#f6ebde;font-size:14px;line-height:1.4;color:#4a3a30}
.cd-hint{display:inline-block;margin:14px 0 0;padding:6px 4px;font-size:15px;color:var(--soft);text-decoration:none}
.cd-hint b{font-weight:600;color:var(--amber);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,189,89,.55)}
.cd-hint[hidden]{display:none}

/* 404 */
.cd-404{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px;text-align:center}
.cd-404 h1{margin:0 0 10px;font:900 34px/1.1 var(--serif)}
.cd-404 .cd-lede{margin:0 0 22px}