:root {
  --cb-qr-navy: #1d2135;
  --cb-qr-blue: #243a6c;
  --cb-qr-blue-mid: #212f53;
  --cb-qr-yellow: #f8ab16;
  --cb-qr-bg: #f7f7f4;
  --cb-qr-white: #ffffff;
  --cb-qr-muted: #667085;
  --cb-qr-border: rgba(29, 33, 53, 0.12);
  --cb-qr-shadow: 0 24px 70px rgba(29, 33, 53, 0.12);
  --cb-qr-gradient: linear-gradient(120deg, #243a6c 0%, #212f53 52%, #1d2135 100%);
}

.cb-qr-main,
.cb-qr-main * { box-sizing: border-box; }
.cb-qr-main { overflow: clip; background: var(--cb-qr-bg); color: var(--cb-qr-navy); font-family: Montserrat, Arial, sans-serif; }
.cb-qr-container { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
.cb-qr-section { padding: clamp(76px, 9vw, 132px) 0; }
.cb-qr-section--white { background: var(--cb-qr-white); }
.cb-qr-section--gradient { background: var(--cb-qr-gradient); color: #fff; }

.cb-qr-eyebrow { margin: 0 0 16px; color: var(--cb-qr-yellow); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.cb-qr-display-title,
.cb-qr-section-heading h2,
.cb-qr-info-panel h2 { margin: 0; background: var(--cb-qr-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; letter-spacing: -.045em; }
.cb-qr-display-title { max-width: 900px; font-size: clamp(44px, 6.4vw, 92px); line-height: .98; }
.cb-qr-section-heading h2,
.cb-qr-info-panel h2 { font-size: clamp(34px, 4vw, 58px); line-height: 1.05; }
.cb-qr-section-heading--on-dark h2 { background: none; -webkit-background-clip: border-box; background-clip: border-box; color: #fff; }
.cb-qr-section-heading { max-width: 790px; margin-bottom: 48px; }
.cb-qr-section-heading > div,
.cb-qr-lead { margin-top: 24px; max-width: 760px; color: #4d5871; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.75; }
.cb-qr-section-heading--on-dark > div { color: rgba(255,255,255,.78); }

.cb-qr-hero { position: relative; padding: clamp(88px, 10vw, 148px) 0; background: radial-gradient(circle at 78% 26%, rgba(248,171,22,.16), transparent 26%), var(--cb-qr-bg); }
.cb-qr-hero__inner { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: clamp(48px, 8vw, 110px); align-items: center; }
.cb-qr-lead { margin-bottom: 34px; }
.cb-qr-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 14px 24px; border: 0; border-radius: 999px; font: inherit; font-size: 14px; font-weight: 800; line-height: 1.1; text-decoration: none !important; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.cb-qr-button:hover { transform: translateY(-2px); }
.cb-qr-button--primary { background: var(--cb-qr-gradient); color: #fff !important; box-shadow: 0 16px 36px rgba(33,47,83,.22); }
.cb-qr-button--secondary { background: #fff; color: var(--cb-qr-navy) !important; box-shadow: inset 0 0 0 1px var(--cb-qr-border); }
.cb-qr-button--download { width: 100%; margin-top: 22px; background: var(--cb-qr-yellow); color: var(--cb-qr-navy) !important; }

.cb-qr-hero__visual { display: flex; justify-content: center; }
.cb-qr-visual-card { position: relative; width: min(420px, 100%); aspect-ratio: 1; padding: 34px; border-radius: 42px; background: var(--cb-qr-gradient); box-shadow: 0 38px 90px rgba(29,33,53,.25); transform: rotate(3deg); }
.cb-qr-visual-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 5px; width: 100%; height: 100%; padding: 22px; border-radius: 24px; background: #fff; }
.cb-qr-visual-grid i { border-radius: 2px; background: transparent; }
.cb-qr-visual-grid i:nth-child(2n+1), .cb-qr-visual-grid i:nth-child(5n), .cb-qr-visual-grid i:nth-child(13n+2), .cb-qr-visual-grid i:nth-child(17n+3) { background: var(--cb-qr-navy); }
.cb-qr-visual-badge { position: absolute; right: -14px; bottom: 36px; padding: 11px 18px; border-radius: 999px; background: var(--cb-qr-yellow); color: var(--cb-qr-navy); font-size: 12px; font-weight: 900; letter-spacing: .08em; }

.cb-qr-generator-section { background: #eef0f5; }
.cb-qr-workspace { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 24px; padding: 24px; border: 1px solid rgba(255,255,255,.75); border-radius: 34px; background: rgba(255,255,255,.62); box-shadow: var(--cb-qr-shadow); backdrop-filter: blur(18px); }
.cb-qr-workspace__form,
.cb-qr-workspace__preview { min-width: 0; border-radius: 24px; background: #fff; }
.cb-qr-workspace__form { padding: clamp(24px, 4vw, 44px); }
.cb-qr-workspace__preview { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 540px; padding: 36px; background: var(--cb-qr-gradient); color: #fff; text-align: center; }

.cb-qr-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.cb-qr-presets button { min-height: 42px; padding: 10px 18px; border: 1px solid var(--cb-qr-border); border-radius: 999px; background: #f7f7f9; color: var(--cb-qr-navy); font: inherit; font-size: 13px; font-weight: 800; cursor: pointer; }
.cb-qr-presets button.is-active { border-color: transparent; background: var(--cb-qr-gradient); color: #fff; }
.cb-qr-form { display: grid; gap: 16px; }
.cb-qr-form--wifi { grid-template-columns: 1fr 1fr; }
.cb-qr-form--wifi > div:first-child,
.cb-qr-form--wifi > div:nth-child(3),
.cb-qr-form--wifi > .cb-qr-checkbox { grid-column: 1 / -1; }
.cb-qr-form label,
.cb-qr-format legend { display: block; margin-bottom: 8px; color: var(--cb-qr-navy); font-size: 13px; font-weight: 800; }
.cb-qr-form input,
.cb-qr-form textarea,
.cb-qr-form select { width: 100%; min-height: 54px; padding: 14px 16px; border: 1px solid #d9dde7; border-radius: 14px; background: #fff; color: var(--cb-qr-navy); font: inherit; font-size: 15px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.cb-qr-form textarea { min-height: 130px; resize: vertical; }
.cb-qr-form input:focus,
.cb-qr-form textarea:focus,
.cb-qr-form select:focus { border-color: var(--cb-qr-blue); box-shadow: 0 0 0 4px rgba(36,58,108,.1); }
.cb-qr-checkbox { display: flex !important; align-items: center; gap: 10px; margin: 0 !important; }
.cb-qr-checkbox input { width: 18px; min-height: 18px; margin: 0; }
.cb-qr-format { display: flex; flex-wrap: wrap; gap: 20px; margin: 28px 0; padding: 18px; border: 1px solid var(--cb-qr-border); border-radius: 16px; background: #fafafa; }
.cb-qr-format legend { float: left; width: 100%; }
.cb-qr-format label { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 14px; font-weight: 700; }
.cb-qr-format input { accent-color: var(--cb-qr-blue); }
.cb-qr-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cb-qr-status { min-height: 24px; margin: 18px 0 0; color: #697188; font-size: 13px; line-height: 1.5; }
.cb-qr-status.is-error { color: #b42318; }
.cb-qr-status.is-success { color: #16734a; }

.cb-qr-output { display: none; width: min(100%, 360px); aspect-ratio: 1; padding: 18px; border-radius: 22px; background: #fff; box-shadow: 0 20px 48px rgba(0,0,0,.18); }
.cb-qr-output.is-ready { display: grid; place-items: center; }
.cb-qr-output canvas,
.cb-qr-output img { display: block !important; width: 100% !important; height: auto !important; image-rendering: pixelated; }
.cb-qr-preview-placeholder { display: grid; justify-items: center; gap: 10px; color: rgba(255,255,255,.78); }
.cb-qr-preview-placeholder strong { color: #fff; font-size: 20px; }
.cb-qr-preview-placeholder p { margin: 0; }
.cb-qr-placeholder-icon { display: grid; place-items: center; width: 92px; height: 92px; border: 2px dashed rgba(255,255,255,.35); border-radius: 22px; color: var(--cb-qr-yellow); font-weight: 900; font-size: 26px; }

.cb-qr-use-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.cb-qr-use-card { min-height: 160px; padding: 28px; border: 1px solid var(--cb-qr-border); border-radius: 22px; background: var(--cb-qr-bg); }
.cb-qr-use-card span { color: var(--cb-qr-yellow); font-size: 13px; font-weight: 900; }
.cb-qr-use-card h3 { margin: 34px 0 0; font-size: 21px; line-height: 1.25; }
.cb-qr-inline-cta { display: flex; align-items: center; justify-content: space-between; gap: 36px; margin-top: 28px; padding: clamp(28px, 4vw, 48px); border-radius: 26px; background: #eef0f5; }
.cb-qr-inline-cta h3 { margin: 0 0 12px; font-size: clamp(24px, 3vw, 38px); }
.cb-qr-inline-cta p { margin: 0; color: #5b647a; line-height: 1.65; }

.cb-qr-copy-grid { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: clamp(50px, 8vw, 120px); align-items: start; }
.cb-qr-section-heading--sticky { position: sticky; top: 120px; }
.cb-qr-prose { color: #4f596f; font-size: 17px; line-height: 1.82; }
.cb-qr-prose > *:first-child { margin-top: 0; }
.cb-qr-prose li { margin-bottom: 14px; padding-left: 8px; }
.cb-qr-prose li::marker { color: var(--cb-qr-yellow); font-weight: 900; }
.cb-qr-prose--on-dark { color: rgba(255,255,255,.8); }
.cb-qr-prose--on-dark strong { color: #fff; }
.cb-qr-prose--on-dark li::marker { color: var(--cb-qr-yellow); }

.cb-qr-info-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.cb-qr-info-panel { padding: clamp(32px, 5vw, 58px); border: 1px solid var(--cb-qr-border); border-radius: 28px; background: var(--cb-qr-bg); }
.cb-qr-info-panel--accent { background: #fff7e8; border-color: rgba(248,171,22,.35); }
.cb-qr-info-panel .cb-qr-prose { margin-top: 24px; }

.cb-qr-faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.cb-qr-faq-card { padding: 30px; border: 1px solid var(--cb-qr-border); border-radius: 22px; background: #fff; }
.cb-qr-faq-card h3 { margin: 0 0 14px; font-size: 19px; line-height: 1.35; }
.cb-qr-faq-card p { margin: 0; color: #606a80; line-height: 1.7; }

.cb-qr-reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.cb-qr-reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .cb-qr-hero__inner,
  .cb-qr-workspace,
  .cb-qr-copy-grid { grid-template-columns: 1fr; }
  .cb-qr-hero__visual { justify-content: flex-start; }
  .cb-qr-visual-card { max-width: 360px; }
  .cb-qr-section-heading--sticky { position: static; }
  .cb-qr-use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cb-qr-workspace__preview { min-height: 480px; }
}

@media (max-width: 767px) {
  .cb-qr-container { width: min(100% - 28px, 1240px); }
  .cb-qr-section { padding: 68px 0; }
  .cb-qr-hero { padding: 74px 0; }
  .cb-qr-display-title { font-size: clamp(40px, 13vw, 62px); }
  .cb-qr-hero__visual { display: none; }
  .cb-qr-workspace { padding: 10px; border-radius: 24px; }
  .cb-qr-workspace__form,
  .cb-qr-workspace__preview { padding: 24px 18px; border-radius: 18px; }
  .cb-qr-workspace__preview { min-height: 400px; }
  .cb-qr-presets { gap: 6px; }
  .cb-qr-presets button { padding: 9px 13px; }
  .cb-qr-form--wifi,
  .cb-qr-use-grid,
  .cb-qr-info-columns,
  .cb-qr-faq-grid { grid-template-columns: 1fr; }
  .cb-qr-form--wifi > * { grid-column: 1 !important; }
  .cb-qr-actions .cb-qr-button { width: 100%; }
  .cb-qr-inline-cta { align-items: stretch; flex-direction: column; }
  .cb-qr-inline-cta .cb-qr-button { width: 100%; }
  .cb-qr-output { width: min(100%, 300px); }
}

@media (prefers-reduced-motion: reduce) {
  .cb-qr-reveal { opacity: 1; transform: none; transition: none; }
  .cb-qr-button { transition: none; }
}