/* QR Premium — design tokens & styles
   Editorial-bold direction: Libre Caslon Display + IBM Plex Sans/Mono, sharp corners, terracotta accent. */

:root{
  --paper:#F7F5F1;
  --ink:#14110F;
  --accent:#C1421A;
  --accent-ink:#F7F5F1;
  --hairline:rgba(20,17,15,0.12);
  --hairline-dark:rgba(247,245,241,0.3);
  --ink-70:rgba(20,17,15,0.72);
  --ink-65:rgba(20,17,15,0.65);
  --ink-60:rgba(20,17,15,0.6);
  --ink-50:rgba(20,17,15,0.5);
  --cream-70:rgba(247,245,241,0.72);
  --cream-60:rgba(247,245,241,0.6);
  --cream-50:rgba(247,245,241,0.5);
  --serif:'Libre Caslon Display',Georgia,serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --good:#2E7D46;
  --warn:#B8860B;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
}
a{color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;color:inherit}

/* Shared micro-motion: "motion that whispers" — short, small, purposeful */
a, button, .chip, .swatch, .dropzone, .cta-btn, .btn-primary, .btn-secondary,
.btn-download, .lang-pill, .faq-q, .cookie-btn, .menu-toggle, .legal-back{
  transition:background-color .18s ease, border-color .18s ease, color .18s ease,
             transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}
@media (prefers-reduced-motion: reduce){
  a, button, .chip, .swatch, .dropzone, .cta-btn, .btn-primary, .btn-secondary,
  .btn-download, .lang-pill, .faq-q, .cookie-btn, .menu-toggle, .legal-back{
    transition:none !important;
  }
}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:12px 20px;z-index:200}
.skip-link:focus{left:12px;top:12px}

.wrap{max-width:1160px;margin:0 auto;padding:0 56px}
@media (max-width:900px){ .wrap{padding:0 20px} }

/* ---------- Header ---------- */
.site-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 56px;border-bottom:1px solid var(--hairline);
  position:relative;
}
.logo{font-family:var(--serif);font-size:22px;letter-spacing:0.01em;white-space:nowrap}
.header-right{display:flex;align-items:center;gap:36px}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:14px;font-weight:500;text-decoration:none;position:relative}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-4px;height:1px;background:var(--accent);
  transition:right .2s ease;
}
.nav-links a:hover{color:var(--accent)}
.nav-links a:hover::after{right:0}
.lang-pill{
  font-family:var(--mono);font-size:12px;letter-spacing:0.05em;
  padding:6px 10px;border:1px solid rgba(20,17,15,0.25);border-radius:20px;
  text-decoration:none;white-space:nowrap;
}
.lang-pill:hover{border-color:var(--accent);color:var(--accent)}
.cta-btn{
  background:var(--accent);color:var(--accent-ink);
  padding:11px 22px;border-radius:2px;font-size:14px;font-weight:600;
  text-decoration:none;display:inline-block;
}
.cta-btn:hover{background:#a3360f;transform:translateY(-2px);box-shadow:0 6px 16px rgba(193,66,26,0.3)}
.cta-btn:active{transform:translateY(0);box-shadow:none}
.menu-toggle{display:none;background:none;border:none;padding:6px;cursor:pointer}
.menu-toggle:hover{opacity:0.6}
.menu-toggle svg{display:block}

/* ---------- Hero ---------- */
.hero{
  display:grid;grid-template-columns:1.15fr 0.85fr;gap:40px;
  padding:80px 56px 90px;align-items:center;
}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:0.14em;
  color:var(--accent);margin-bottom:22px;text-transform:uppercase;
}
.hero h1{
  font-family:var(--serif);font-weight:400;font-size:76px;line-height:1.02;
  letter-spacing:-0.01em;margin:0 0 28px;
}
.hero-sub{font-size:19px;line-height:1.5;color:var(--ink-70);max-width:480px;margin:0 0 36px}
.hero-ctas{display:flex;gap:16px;align-items:center;margin-bottom:44px;flex-wrap:wrap}
.btn-primary{
  background:var(--ink);color:var(--paper);padding:16px 28px;border-radius:2px;
  font-size:15px;font-weight:600;text-decoration:none;display:inline-block;
}
.btn-primary:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 6px 16px rgba(20,17,15,0.2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{
  padding:16px 6px;font-size:15px;font-weight:600;border-bottom:2px solid var(--ink);
  text-decoration:none;display:inline-block;
}
.btn-secondary:hover{color:var(--accent);border-bottom-color:var(--accent);transform:translateX(3px)}
.badges{display:flex;gap:28px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.badges li{font-family:var(--mono);font-size:12px;letter-spacing:0.03em;color:var(--ink-60)}
.badges li::before{content:"— "}

.hero-card{
  background:#FFFFFF;border:1px solid var(--hairline);padding:28px;
  box-shadow:0 24px 60px rgba(20,17,15,0.14);justify-self:center;
}
.qr-decor{display:grid;grid-template-columns:repeat(15,1fr);width:320px;height:320px}
.qr-decor div{aspect-ratio:1/1}

/* ---------- Section shell ---------- */
.section{padding:90px 56px;border-top:1px solid var(--hairline)}
.section h2{font-family:var(--serif);font-weight:400;font-size:44px;line-height:1.08;margin:0 0 56px;max-width:640px}
.section .eyebrow{margin-bottom:16px}

/* ---------- Features ---------- */
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hairline);
}
.feature-card{background:var(--paper);padding:36px 32px;min-height:180px}
.feature-card .num{font-family:var(--mono);font-size:13px;color:var(--accent);margin-bottom:18px}
.feature-card h3{font-size:19px;font-weight:600;margin:0 0 10px}
.feature-card p{font-size:15px;line-height:1.5;color:var(--ink-65);margin:0}

/* ---------- Static vs dynamic explainer ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hairline);margin-top:8px}
.compare-card{background:var(--paper);padding:32px}
.compare-card.is-good{background:#F7F5F1}
.compare-card h3{font-size:17px;font-weight:600;margin:0 0 14px;display:flex;align-items:center;gap:10px}
.compare-card h3 .tag{font-family:var(--mono);font-size:11px;letter-spacing:0.06em;padding:3px 8px;border-radius:20px}
.compare-card.is-good h3 .tag{background:var(--accent);color:var(--accent-ink)}
.compare-card.is-bad h3 .tag{background:rgba(20,17,15,0.1);color:var(--ink-70)}
.compare-card ul{margin:0;padding-left:18px;font-size:15px;line-height:1.6;color:var(--ink-70)}
.compare-card li{margin-bottom:6px}
.section-note{font-size:15px;line-height:1.6;color:var(--ink-70);max-width:720px;margin:24px 0 0}

/* ---------- Customizer (generator) ---------- */
.customizer{background:var(--ink);color:var(--paper)}
.customizer .eyebrow{color:var(--accent)}
.customizer h2{color:var(--paper)}
.customizer-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:start}
.control-group{margin-bottom:30px}
.control-label{font-size:12px;letter-spacing:0.08em;color:var(--cream-50);margin-bottom:12px;text-transform:uppercase}
.chip-row{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  padding:8px 16px;border:1px solid var(--hairline-dark);border-radius:20px;font-size:13px;
  background:transparent;color:var(--paper);cursor:pointer;
}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);font-weight:600;color:var(--paper)}
.chip[aria-pressed="true"]:hover{transform:none;color:var(--paper)}
.swatch-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.swatch{width:34px;height:34px;border:1px solid var(--hairline-dark);cursor:pointer;padding:0}
.swatch:hover{transform:scale(1.12);box-shadow:0 4px 10px rgba(0,0,0,0.35)}
.swatch[aria-pressed="true"]{border:2px solid var(--paper)}
.swatch.custom-swatch{position:relative;display:flex;align-items:center;justify-content:center;background:conic-gradient(from 0deg,#C1421A,#3D5A80,#2E7D46,#C8FF3D,#C1421A)}
.color-input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;border:0;padding:0}
.dropzone{
  border:1px dashed var(--hairline-dark);padding:22px;font-size:13px;color:var(--cream-60);
  cursor:pointer;text-align:left;width:100%;background:transparent;
}
.dropzone:hover{border-color:var(--accent);color:var(--paper);background:rgba(193,66,26,0.06)}
.dropzone.has-file{color:var(--paper);border-style:solid}
.dropzone-row{display:flex;align-items:center;gap:12px}
.dropzone-clear{font-family:var(--mono);font-size:12px;color:var(--accent);text-decoration:underline;flex:none;background:none;border:none;cursor:pointer}
.content-type-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.field-row{display:flex;flex-direction:column;gap:10px;margin-bottom:8px}
.field-row input, .field-row textarea{
  background:transparent;border:1px solid var(--hairline-dark);color:var(--paper);
  padding:12px 14px;font-size:14px;border-radius:0;width:100%;
}
.field-row input::placeholder, .field-row textarea::placeholder{color:var(--cream-50)}
.field-row input:focus, .field-row textarea:focus{outline:none;border-color:var(--accent)}
.field-row label{font-size:12px;letter-spacing:0.04em;color:var(--cream-60)}
.field-two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}

.qr-preview-col{display:flex;flex-direction:column;align-items:center;gap:20px}
.qr-preview-card{background:var(--paper);padding:24px;display:flex;align-items:center;justify-content:center;min-width:280px;min-height:280px}
.qr-preview-card canvas, .qr-preview-card svg{display:block;max-width:280px;max-height:280px}
.download-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center}
.btn-download{
  background:var(--accent);color:var(--accent-ink);padding:14px 32px;border-radius:2px;
  font-size:14px;font-weight:600;cursor:pointer;border:none;
}
.btn-download:hover:not(:disabled){background:#e05a2e;transform:translateY(-2px);box-shadow:0 8px 20px rgba(193,66,26,0.4)}
.btn-download:active:not(:disabled){transform:translateY(0);box-shadow:none}
.btn-download:disabled{opacity:0.4;cursor:not-allowed}
.scan-status{
  font-family:var(--mono);font-size:12px;display:flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid var(--hairline-dark);max-width:280px;text-align:left;line-height:1.4;
}
.scan-status .dot{width:8px;height:8px;border-radius:50%;flex:none}
.scan-status.status-ok .dot{background:#4CD070}
.scan-status.status-warn .dot{background:#E0B23C}
.scan-status.status-checking .dot{background:var(--cream-50)}

/* ---------- How it works ---------- */
.how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.how-step .n{font-family:var(--serif);font-size:52px;color:rgba(20,17,15,0.15);margin-bottom:16px}
.how-step h3{font-size:18px;font-weight:600;margin:0 0 10px}
.how-step p{font-size:14px;line-height:1.5;color:var(--ink-65);margin:0}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--hairline)}
.faq-item{border-bottom:1px solid var(--hairline)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:20px;
  padding:26px 0;cursor:pointer;text-align:left;background:none;border:none;
}
.faq-q:hover span.q-text{color:var(--accent)}
.faq-q span.q-text{font-size:19px;font-weight:600;transition:color .18s ease}
.faq-q span.sign{font-family:var(--mono);font-size:20px;color:var(--accent);flex:none;display:inline-block;transition:transform .25s ease}
.faq-q[aria-expanded="true"] span.sign{transform:rotate(180deg)}
.faq-a-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.faq-a-wrap.is-open{grid-template-rows:1fr}
.faq-a{font-size:15px;line-height:1.6;max-width:680px;margin:0;padding:0;color:var(--ink-65);overflow:hidden;min-height:0;transition:padding-bottom .22s ease}
.faq-a-wrap.is-open .faq-a{padding-bottom:26px}

/* ---------- Footer ---------- */
.site-footer{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding:32px 56px;border-top:1px solid var(--hairline);font-size:12px;color:var(--ink-50);
}
.footer-legal{display:flex;gap:22px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.footer-legal a{opacity:0.7;text-decoration:none}
.footer-legal a:hover{opacity:1;color:var(--accent);text-decoration:underline}

/* ---------- QR type subpages ---------- */
.subpage-hero{padding:80px 56px 20px;max-width:760px}
.subpage-hero h1{
  font-family:var(--serif);font-weight:400;font-size:56px;line-height:1.08;
  letter-spacing:-0.01em;margin:0 0 24px;
}
.subpage-hero .hero-sub{max-width:none}
.feature-card.is-link{text-decoration:none;display:block;color:inherit}
.feature-card.is-link:hover{background:rgba(193,66,26,0.05)}
.feature-card.is-link:hover h3{color:var(--accent)}
.feature-card.is-link h3{transition:color .18s ease}
.qr-type-links{display:flex;flex-wrap:wrap;gap:12px}
.qr-type-link{
  padding:10px 20px;border:1px solid var(--hairline);border-radius:20px;font-size:14px;font-weight:500;
  text-decoration:none;color:var(--ink);
}
.qr-type-link:hover{border-color:var(--accent);color:var(--accent)}
.cta-banner{
  padding:64px 56px;border-top:1px solid var(--hairline);text-align:center;
}
.cta-banner h2{margin-bottom:24px}
.cta-banner .btn-primary{font-size:16px;padding:18px 36px}

/* ---------- Legal pages ---------- */
.legal-page{max-width:760px;margin:0 auto;padding:80px 56px 100px}
.legal-page h1{font-family:var(--serif);font-weight:400;font-size:48px;line-height:1.1;margin:0 0 8px}
.legal-updated{font-family:var(--mono);font-size:12px;color:var(--ink-50);margin:0 0 48px}
.legal-page h2{font-family:var(--serif);font-weight:400;font-size:26px;margin:48px 0 16px}
.legal-page p, .legal-page li{font-size:16px;line-height:1.7;color:var(--ink-70)}
.legal-page a{color:var(--accent);text-decoration:underline}
.legal-back{display:inline-block;margin-bottom:40px;font-size:14px;font-weight:500;text-decoration:none;border-bottom:2px solid var(--ink)}
.legal-back:hover{color:var(--accent);border-bottom-color:var(--accent);transform:translateX(-3px)}

/* ---------- Cookie consent banner ---------- */
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:100;
  background:var(--ink);color:var(--paper);
  padding:20px 56px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border-top:1px solid var(--hairline-dark);
}
.cookie-banner[hidden]{display:none}
.cookie-banner p{font-size:14px;line-height:1.5;margin:0;max-width:640px;color:var(--cream-70)}
.cookie-banner a{text-decoration:underline;color:var(--paper)}
.cookie-banner-actions{display:flex;gap:12px;flex:none}
.cookie-btn{padding:10px 20px;border-radius:2px;font-size:13px;font-weight:600;cursor:pointer;border:1px solid var(--hairline-dark);background:transparent;color:var(--paper)}
.cookie-btn:hover{transform:translateY(-1px)}
.cookie-btn.reject:hover{border-color:var(--paper)}
.cookie-btn.accept{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.cookie-btn.accept:hover{background:#e05a2e;border-color:#e05a2e}
@media (max-width:900px){
  .cookie-banner{padding:16px 20px;flex-direction:column;align-items:stretch}
  .cookie-banner-actions{justify-content:flex-end}
}

/* ---------- 404 ---------- */
.error-page{max-width:600px;margin:0 auto;padding:120px 56px;text-align:center}
.error-page .n{font-family:var(--serif);font-size:120px;color:var(--accent);line-height:1}
.error-page h1{font-family:var(--serif);font-weight:400;font-size:32px;margin:8px 0 16px}

/* =====================================================
   MOBILE
   ===================================================== */
@media (max-width:900px){
  .site-header{padding:18px 20px}
  .header-right{gap:14px}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;
    border-bottom:1px solid var(--hairline);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;width:100%;padding:16px 20px;border-top:1px solid var(--hairline)}
  .menu-toggle{display:block}
  .header-right .cta-btn.desktop-only{display:none}

  .hero{grid-template-columns:1fr;padding:48px 20px 56px;gap:36px}
  .hero .hero-card{order:-1}
  .hero h1{font-size:42px}
  .hero-sub{font-size:17px;max-width:none}
  .qr-decor{width:100%;max-width:280px;height:auto}
  .hero-card{padding:18px;width:100%;max-width:280px;margin:0 auto}

  .section{padding:56px 20px}
  .section h2{font-size:30px;margin-bottom:32px}

  .features-grid{grid-template-columns:1fr}
  .feature-card{padding:28px 22px;min-height:auto}

  .customizer-grid{grid-template-columns:1fr}
  .customizer-grid .qr-preview-col{order:-1;margin-bottom:8px}
  .field-two-col{grid-template-columns:1fr}

  .compare-grid{grid-template-columns:1fr}

  .how-grid{grid-template-columns:1fr 1fr;gap:28px 20px}

  .site-footer{padding:24px 20px;flex-direction:column;align-items:flex-start}

  .legal-page{padding:56px 20px 72px}
  .legal-page h1{font-size:32px}

  .subpage-hero{padding:48px 20px 8px}
  .subpage-hero h1{font-size:34px}
  .cta-banner{padding:48px 20px}
}

@media (max-width:480px){
  .how-grid{grid-template-columns:1fr}
  .hero h1{font-size:36px}
}