/* SPA palette: whitesmoke background, secondary navbar and Bootstrap primary. */
:root {
    --promo-page: #f5f5f5;
    --promo-surface: #fff;
    --promo-text: #2c3e50;
    --promo-muted: #6c757d;
    --promo-line: #dee2e6;
    --promo-accent: #cfe2ff;
    --promo-primary-color: #0d6efd;
    --promo-soft: #f8f9fa;
}

[data-bs-theme="dark"] {
    --promo-page: #212529;
    --promo-surface: #2b3035;
    --promo-text: #dee2e6;
    --promo-muted: #adb5bd;
    --promo-line: #495057;
    --promo-accent: #164583;
    --promo-primary-color: #6ea8fe;
    --promo-soft: #343a40;
}

body {
    margin: 0;
    background: var(--promo-page);
    color: var(--promo-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

.promo-shell { display: grid; grid-template-rows: auto 1fr auto auto; min-height: 100svh; max-width: 1184px; margin: 0 auto; padding: 0 40px; }
.promo-header { position: relative; isolation: isolate; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: clamp(10px, 1.8vh, 20px) 0; }
.promo-header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: #6c757d; box-shadow: 0 0 0 100vmax #6c757d; clip-path: inset(0 -100vmax); }
.promo-brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; color: #fff; text-decoration: none; font-size: 17px; font-weight: 500; }
.promo-brand:hover { color: #fff; opacity: .9; }
.promo-brand-icon { display: grid; place-items: center; width: 46px; height: 46px; flex-shrink: 0; border: 1px solid var(--promo-line); border-radius: 4px; background: #f8f9fa; }

.promo-hero { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 54px; padding: clamp(18px, 3vh, 36px) 0; }
.hero-content h1 { max-width: 640px; margin: 0 0 18px; font-size: clamp(32px, 3.6vw, 48px); font-weight: 500; line-height: 1.12; letter-spacing: -1.2px; overflow-wrap: anywhere; }
.hero-content p { max-width: 450px; margin: 0 0 22px; color: var(--promo-muted); font-size: 17px; line-height: 1.6; }
.promo-primary { display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 15px 23px; background: #0d6efd; color: #fff; border: 1px solid #0d6efd; border-radius: 6px; font-size: 15px; font-weight: 400; transition: background .18s, border-color .18s; }
.promo-primary:hover { background: #0b5ed7; border-color: #0a58ca; color: #fff; }
.promo-primary svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.7; }
a:focus-visible { outline: 3px solid var(--promo-primary-color); outline-offset: 5px; }

.cutting-visual { position: relative; padding: 20px; border: 1px solid var(--promo-line); border-radius: 18px; background: var(--promo-surface); box-shadow: 0 6px 20px rgba(44, 62, 80, .08); }
.visual-heading { display: flex; align-items: center; gap: 5px; padding-bottom: 16px; }
.visual-heading > span { height: 7px; width: 68px; margin-right: auto; border-radius: 4px; background: var(--promo-line); }
.visual-heading i { width: 6px; height: 6px; border-radius: 50%; background: var(--promo-line); }
.cutting-board { display: grid; gap: 12px; padding: 18px 17px; background-color: var(--promo-soft); background-image: linear-gradient(var(--promo-line) 1px, transparent 1px), linear-gradient(90deg, var(--promo-line) 1px, transparent 1px); background-size: 22px 22px; border: 1px solid var(--promo-line); border-radius: 4px; }
.dimension-line { position: relative; height: 8px; margin: 0 0 0; border-left: 1px solid var(--promo-muted); border-right: 1px solid var(--promo-muted); }
.dimension-line::after { content: ""; position: absolute; top: 4px; left: 0; right: 0; border-top: 1px solid var(--promo-muted); }
.stock-row { display: flex; gap: 5px; height: 24px; }
.piece { display: block; background: #6ea8fe; border: 1px solid #3d8bfd; border-radius: 3px; }
.piece-large { flex: 5; }
.piece-medium { flex: 3; }
.piece-small { flex: 2; background: #cfe2ff; border-color: #9ec5fe; }
.offcut { flex: 1; border: 1px solid #adb5bd; border-radius: 3px; background: repeating-linear-gradient(-45deg, #ced4da, #ced4da 3px, #f8f9fa 3px, #f8f9fa 6px); }
.offcut-small { flex: .4; }
.board-baseline { border-top: 1px dashed var(--promo-muted); opacity: .5; }
.visual-summary { display: flex; gap: 8px; margin-top: 16px; }
.visual-summary span { height: 6px; width: 32px; border-radius: 4px; background: var(--promo-line); }
.visual-summary span:first-child { width: 66px; background: var(--promo-accent); }
.visual-check { position: absolute; right: -15px; bottom: -15px; display: grid; place-items: center; width: 60px; height: 60px; border: 6px solid var(--promo-page); border-radius: 50%; background: #0d6efd; }
.visual-check svg { width: 26px; height: 26px; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.promo-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.promo-card { display: flex; flex-direction: column; align-items: flex-start; padding: 22px; border: 1px solid var(--promo-line); border-radius: 18px; background: var(--promo-surface); box-shadow: 0 4px 16px rgba(44, 62, 80, .07); }
.promo-card-support { background: var(--promo-surface); }
.card-icon { display: grid; place-items: center; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 4px; background: var(--promo-soft); color: var(--promo-primary-color); }
.promo-card-support .card-icon { background: var(--promo-surface); }
.card-icon svg { width: 21px; height: 21px; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.promo-card h2 { max-width: 380px; margin: 0 0 10px; font-size: 21px; font-weight: 500; line-height: 1.3; letter-spacing: -.3px; }
.promo-card p { max-width: 410px; margin-bottom: 16px; color: var(--promo-muted); line-height: 1.5; font-size: 14px; }
.promo-card-link { display: inline-flex; align-items: center; gap: 22px; margin-top: auto; padding: 3px 10px; border: 1px solid var(--promo-primary-color); border-radius: 4px; color: var(--promo-primary-color); font-size: 15px; font-weight: 400; text-decoration: none; }
.promo-card-link:hover { color: #fff; background: #0d6efd; border-color: #0d6efd; }
.promo-card-link span { font-size: 20px; }
.promo-footer { margin-top: 18px; padding: 14px 0 16px; border-top: 1px solid var(--promo-line); color: var(--promo-muted); font-size: 13px; }

@media (max-width: 900px) {
    .promo-hero { gap: 30px; }
    .hero-content h1 { font-size: 37px; letter-spacing: -1.2px; }
    .cutting-visual { padding: 17px; }
    .cutting-board { gap: 13px; padding: 20px 12px; }
    .stock-row { height: 24px; }
}

@media (max-width: 640px) {
    .promo-shell { padding: 0 22px; }
    .promo-header { padding: 10px 0; }
    .promo-brand { gap: 9px; font-size: 15px; }
    .promo-brand-icon { width: 39px; height: 39px; border-radius: 4px; }
    .promo-brand-icon img { width: 27px; height: 27px; }
    .promo-hero { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 24px 0; }
    .hero-content h1 { font-size: clamp(29px, 7.8vw, 43px); letter-spacing: -1px; }
    .hero-content p { font-size: 15px; }
    .promo-primary { width: 100%; }
    .cutting-visual { width: calc(100% - 18px); max-width: 390px; margin: 0 auto;  }
    .promo-cards { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .promo-card { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 8px 12px; padding: 16px; }
    .card-icon { grid-column: 1; grid-row: 1 / span 3; width: 30px; height: 30px; margin: 0; }
    .promo-card h2, .promo-card p, .promo-card-link { grid-column: 2; margin: 0; }
    .promo-card h2 { font-size: 18px; }
    .promo-card p { font-size: 13px; }
    .promo-card-link { justify-self: start; font-size: 14px; }
    .promo-footer { margin-top: 14px; padding: 12px 0; font-size: 12px; }
}

@media (max-width: 640px) and (max-height: 1000px) {
    .cutting-visual { display: none; }
}

@media (min-width: 641px) and (max-height: 760px) {
    .promo-header { padding: 8px 0; }
    .promo-hero { padding: 16px 0; }
    .hero-content h1 { font-size: 36px; letter-spacing: -1px; }
    .hero-content p { margin-bottom: 16px; font-size: 16px; }
    .promo-primary { padding-top: 11px; padding-bottom: 11px; }
    .cutting-visual { padding: 16px; }
    .cutting-board { gap: 10px; padding: 14px; }
    .stock-row { height: 20px; }
    .promo-card { position: relative; padding: 18px 18px 18px 60px; }
    .card-icon { position: absolute; top: 18px; left: 18px; width: 28px; height: 28px; margin: 0; }
    .promo-card h2 { font-size: 19px; }
    .promo-card p { margin-bottom: 10px; }
    .promo-footer { margin-top: 12px; padding: 10px 0; }
}

@media (max-width: 640px) and (max-height: 740px) {
    .promo-shell { padding: 0 18px; }
    .promo-hero { padding: 16px 0; }
    .hero-content h1 { margin-bottom: 12px; }
    .hero-content p { margin-bottom: 16px; }
    .promo-primary { padding-top: 11px; padding-bottom: 11px; }
    .promo-card { grid-template-columns: minmax(0, 1fr); padding: 12px 16px; gap: 6px; }
    .card-icon { display: none; }
    .promo-card h2, .promo-card p, .promo-card-link { grid-column: 1; }
    .promo-card h2 { font-size: 17px; }
    .promo-footer { margin-top: 10px; padding: 10px 0; }
}

@media (max-width: 640px) and (max-height: 600px) {
    .promo-header { padding: 8px 0; }
    .promo-brand { font-size: 14px; }
    .promo-brand-icon { width: 32px; height: 32px; }
    .promo-brand-icon img { width: 25px; height: 25px; }
    .promo-hero { padding: 12px 0; }
    .hero-content h1 { font-size: 24px; line-height: 1.1; }
    .hero-content p { font-size: 13.5px; line-height: 1.45; margin-bottom: 12px; }
    .promo-primary { min-height: 44px; padding-top: 9px; padding-bottom: 9px; font-size: 14px; }
    .promo-cards { gap: 8px; }
    .promo-card { padding: 8px 12px; }
    .promo-card h2 { font-size: 16px; }
    .promo-card p { font-size: 12px; line-height: 1.45; }
    .promo-footer { margin-top: 8px; padding: 8px 0; font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
    .promo-primary { transition: none; }
    .promo-primary:hover { transform: none; }
}