/* Caskmark — website design system. Mirrors the app's tokens 1:1. */

/* Self-hosted fonts (no Google Fonts CDN → DSGVO-safe, no IP leak, works offline). */
@font-face{
  font-family:"Anton";
  src:url("/assets/fonts/Anton-Regular.ttf") format("truetype");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/Inter.ttf") format("truetype-variations");
  font-weight:100 900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Newsreader";
  src:url("/assets/fonts/Newsreader-Italic.ttf") format("truetype-variations");
  font-weight:100 800;font-style:italic;font-display:swap;
}

:root{
  --paper:#E8E2D0; --paper-raised:#F0EBDD; --ink:#3A3226; --ink-soft:#6B5D48;
  --ink-faint:#A99B82; --marker:#C4392E; --marker-ink:#F5EFE1; --hairline:#D4CBB4;
  --gold:#B08D4F;
  --pad:20px; --wrap:1120px; --radius:14px;
  --shadow:0 1px 0 rgba(58,50,38,.04);
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#211D17; --paper-raised:#2B261E; --ink:#EDE6D6; --ink-soft:#B8A98D;
    --ink-faint:#7A6E58; --marker:#D8483C; --marker-ink:#F5EFE1; --hairline:#3A342A;
    --gold:#C9A968;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:18px;line-height:1.6;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--marker);color:var(--marker-ink)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---- Type ---- */
.display,h1,h2,h3{
  font-family:"Anton",Impact,sans-serif;font-weight:400;text-transform:uppercase;
  letter-spacing:.01em;line-height:1.08;color:var(--ink);margin:0;
}
h1{font-size:clamp(2.6rem,7vw,5.4rem)}
h2{font-size:clamp(2rem,4.4vw,3.4rem)}
h3{font-size:clamp(1.25rem,2.4vw,1.7rem)}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.15rem,2vw,1.4rem);color:var(--ink-soft);line-height:1.55}
.kicker{
  font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.16em;
  color:var(--ink-soft);margin:0 0 .9rem;display:inline-block;
}
.serif{font-family:"Newsreader",Georgia,serif;font-style:italic}
.muted{color:var(--ink-soft)}
.faint{color:var(--ink-faint)}

/* ---- Marker highlight (the signature) ---- */
/* Marker highlight: a red band sized to the caps (in em), so it hugs the text and
   never bleeds into the lines above/below — works on any heading size, wraps cleanly. */
.mark,.mark-ink{
  color:var(--marker-ink);
  background-image:linear-gradient(var(--marker),var(--marker));
  background-repeat:no-repeat;
  background-position:0 0.62em;         /* sits on the cap band */
  background-size:100% 0.82em;
  padding:0 .24em;
  box-decoration-break:clone;-webkit-box-decoration-break:clone;
}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1.02rem;
  padding:.85rem 1.5rem;border-radius:10px;border:1px solid transparent;cursor:pointer;
  transition:transform .12s ease, background .12s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--marker);color:var(--marker-ink)}
.btn-primary:hover{background:#a92f26}
.btn-ghost{border-color:var(--hairline);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-raised)}

/* ---- Header ---- */
header.site{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(1.1) blur(8px);border-bottom:1px solid var(--hairline);
}
header.site .bar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--wrap);margin:0 auto}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Anton",sans-serif;text-transform:uppercase;font-size:1.3rem;letter-spacing:.02em}
.brand .logo{width:36px;height:36px;border-radius:8px}
nav.main{display:flex;gap:1.4rem;align-items:center}
nav.main a{font-size:.95rem;color:var(--ink-soft);font-weight:500}
nav.main a:hover{color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:1.5rem}
@media(max-width:820px){
  nav.main{display:none}
  nav.main.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:var(--paper);border-bottom:1px solid var(--hairline);padding:1rem 24px;gap:1rem}
  .nav-toggle{display:block}
}

/* ---- Sections ---- */
section{padding:clamp(56px,9vw,120px) 0}
.rule{height:1px;background:var(--hairline);border:0;margin:0}
.grid{display:grid;gap:28px}
.two{grid-template-columns:1.05fr .95fr;align-items:center;gap:56px}
.three{grid-template-columns:repeat(3,1fr)}
.four{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.two,.three,.four{grid-template-columns:1fr}}

/* ---- Cards ---- */
.card{
  background:var(--paper-raised);border:1px solid var(--hairline);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.card h3{margin-bottom:.5rem}
.card .ic{width:40px;height:40px;color:var(--marker);margin-bottom:14px}
.feature-num{font-family:"Anton",sans-serif;color:var(--ink-faint);font-size:1.3rem}

/* ---- iPhone 17 Pro mockup ---- */
.device{
  width:100%;max-width:320px;aspect-ratio:1179/2556;position:relative;margin:0 auto;
  background:#0b0b0d;border-radius:56px;padding:12px;
  box-shadow:0 40px 80px -30px rgba(58,50,38,.55), 0 0 0 2px rgba(0,0,0,.35), inset 0 0 0 2px #2a2a2e;
}
.device .screen{width:100%;height:100%;border-radius:44px;overflow:hidden;background:var(--paper);position:relative}
.device .screen img{width:100%;height:100%;object-fit:cover;object-position:top}
.device .island{
  position:absolute;top:22px;left:50%;transform:translateX(-50%);
  width:34%;height:26px;background:#000;border-radius:20px;z-index:2;
}
.device.tilt{transform:rotate(3deg)}
.device.tilt-l{transform:rotate(-3deg)}
.device-row{display:flex;gap:32px;justify-content:center;flex-wrap:wrap}
.device-row .device{max-width:240px}

/* ---- Hero ---- */
.hero{padding-top:clamp(40px,7vw,90px)}
.hero h1{margin-bottom:.5rem}
.hero .sub{max-width:34ch}
.badges{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.6rem;align-items:center}
.badges .btn{margin:0}
.trust{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:2.4rem;color:var(--ink-soft);font-size:.92rem}
.trust b{color:var(--ink)}

/* ---- Stat / quote ---- */
.pull{font-family:"Newsreader",serif;font-style:italic;font-size:clamp(1.5rem,3.2vw,2.2rem);line-height:1.3;color:var(--ink)}
.statline{display:flex;gap:44px;flex-wrap:wrap}
.statline .n{font-family:"Anton",sans-serif;font-size:clamp(2.2rem,5vw,3.4rem)}
.statline .l{color:var(--ink-soft);font-size:.85rem;text-transform:uppercase;letter-spacing:.12em}

/* ---- FAQ ---- */
.faq details{border-bottom:1px solid var(--hairline);padding:20px 0}
.faq summary{list-style:none;cursor:pointer;font-weight:600;font-size:1.12rem;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--marker);font-family:"Anton",sans-serif;font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:.9rem 0 0;color:var(--ink-soft)}

/* ---- list check ---- */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:.8rem}
.checks li{padding-left:1.9rem;position:relative;color:var(--ink-soft)}
.checks li::before{content:"";position:absolute;left:0;top:.15em;width:1.15rem;height:1.15rem;background:var(--marker);border-radius:3px;transform:rotate(-4deg)}
.checks li b{color:var(--ink)}

/* ---- CTA band ---- */
.cta{background:var(--ink);color:var(--paper);border-radius:22px;padding:clamp(40px,6vw,72px);text-align:center}
.cta h2{color:var(--paper)}
.cta .lead{color:color-mix(in srgb,var(--paper) 78%,transparent)}

/* ---- Footer ---- */
footer.site{border-top:1px solid var(--hairline);padding:56px 0 40px;color:var(--ink-soft);font-size:.92rem}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media(max-width:820px){footer.site .cols{grid-template-columns:1fr 1fr}}
footer.site h4{font-family:"Anton",sans-serif;text-transform:uppercase;font-size:.95rem;letter-spacing:.06em;color:var(--ink);margin:0 0 1rem}
footer.site .cols a{display:block;padding:.28rem 0;color:var(--ink-soft)}
footer.site a:hover{color:var(--marker)}
footer.site .legal a{display:inline;padding:0;color:var(--ink-faint)}
footer.site .legal a:hover{color:var(--marker)}
footer.site .legal{margin-top:36px;padding-top:22px;border-top:1px solid var(--hairline);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--ink-faint)}

/* ---- breadcrumb ---- */
.crumb{font-size:.82rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem}
.crumb a:hover{color:var(--marker)}

/* ---- table ---- */
.cmp{width:100%;border-collapse:collapse;font-size:.98rem}
.cmp th,.cmp td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--hairline)}
.cmp th{font-family:"Anton",sans-serif;text-transform:uppercase;font-weight:400;letter-spacing:.03em;font-size:.95rem}
.cmp td.yes{color:var(--marker);font-weight:700}
.cmp tr td:first-child{color:var(--ink-soft)}
.cmp-wrap{overflow-x:auto}

.tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  color:var(--marker-ink);background:var(--marker);padding:.2rem .5rem;transform:rotate(-1.5deg)}

/* ---- content depth blocks (SEO/GEO) ---- */
.answer{background:var(--paper-raised);border:1px solid var(--hairline);border-left:4px solid var(--gold);
  border-radius:12px;padding:22px 26px;margin:30px 0;max-width:72ch}
.answer .l{font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--gold);display:block;margin-bottom:.5rem}
.answer p{margin:0;color:var(--ink);font-size:1.06rem;line-height:1.55}
.prose{max-width:68ch}
.prose p{margin:0 0 1.15em}
.prose h3{margin:2.1rem 0 .55rem}
.prose ul{margin:0 0 1.15em;padding-left:1.2rem;color:var(--ink-soft)}
.prose ul li{margin:.35rem 0}
.prose a{color:var(--marker);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.steps{counter-reset:s;display:grid;gap:22px;margin-top:34px;max-width:66ch;padding:0}
.steps li{list-style:none;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}
.steps li::before{counter-increment:s;content:counter(s);font-family:"Anton",sans-serif;font-size:1.7rem;color:var(--marker);line-height:1;min-width:1.4rem}
.steps b{color:var(--ink)}
.steps p{margin:.2rem 0 0;color:var(--ink-soft)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
@media(max-width:860px){.related{grid-template-columns:1fr}}
.related a{display:block;background:var(--paper-raised);border:1px solid var(--hairline);border-radius:12px;padding:18px 20px}
.related a:hover{border-color:var(--marker)}
.related a b{color:var(--ink);display:block;font-size:1.02rem}
.related a span{color:var(--ink-soft);font-size:.88rem}