.calculator-page {
    --calc-blue: var(--color-primary, #0e5895);
    --calc-blue-dark: #073e6b;
    --calc-blue-light: #10639f;
    --calc-orange: var(--color-accent, #e26900);
    --calc-ink: var(--color-dark, #000);
    --calc-muted: var(--color-gray-600, #444);
    --calc-line: #e6edf3;
    --calc-soft: #f7fafc;
    --calc-radius: 18px;
    background: var(--color-white, #fff);
    color: var(--calc-ink);
    padding-bottom: 1px;
}

/* Banner and calculator share one bordered frame */
.calculator-primary__shell { padding: 58px 45px; }
.calculator-banner { max-width: 980px; }
.calculator-banner h1 { max-width: 850px; margin: 25px 0 0; color: var(--color-dark); font: 700 clamp(34px, 4vw, 50px)/1.15 var(--font-heading); letter-spacing: -.025em; }
.calculator-banner__content,
.calculator-banner__fallback { max-width: 850px; margin-top: 20px; color: var(--color-dark); font-size: var(--text-md); font-weight: var(--fw-medium); line-height: var(--lh-relaxed); }

.construction-calculator { margin-top: var(--space-12); padding-top: var(--space-12); border-top: 1px solid var(--calc-line); }
.calculator-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(330px, .9fr); gap: clamp(26px, 3vw, 46px); align-items: stretch; }
.calculator-card { border: 0; border-radius: var(--calc-radius); }

/* Left column: inputs */
.calculator-input-card { display: flex; flex-direction: column; padding: 0; background: transparent; }
.calculator-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.calculator-tab { min-height: 42px; padding: 10px 18px; border: 0; border-radius: 999px; background: #eef3f8; color: #3d566c; font: 600 12px/1.25 var(--font-body); cursor: pointer; transition: background .2s ease, color .2s ease, box-shadow .2s ease; }
.calculator-tab:hover { background: #e1ebf4; color: var(--calc-blue); }
.calculator-tab.is-active { background: linear-gradient(135deg, var(--calc-blue-light) 0%, var(--calc-blue) 55%, #094f86 100%); color: #fff; box-shadow: 0 6px 16px rgba(14, 88, 149, .26); }
.calculator-tab:focus-visible,
.calculator-waste-control button:focus-visible,
.calculator-reset:focus-visible { outline: 3px solid rgba(226, 105, 0, .35); outline-offset: 2px; }

.calculator-mode-panel { animation: calculatorFade .2s ease; }
@keyframes calculatorFade { from { opacity: .35; transform: translateY(3px); } }
.calculator-shape-summary { display: grid; grid-template-columns: 124px 1fr; align-items: center; gap: 24px; min-height: 130px; margin-bottom: 26px; padding: 22px 28px; border: 0; border-radius: var(--calc-radius); background: linear-gradient(135deg, #f8fbfe 0%, #e7f0f8 100%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), 0 1px 2px rgba(16, 42, 67, .04); }
.calculator-shape-summary h2 { margin: 0 0 5px; color: var(--color-dark); font: 700 18px/1.3 var(--font-heading); }
.calculator-shape-summary p { color: var(--color-gray-600); font-size: 12px; line-height: 1.55; }
.calculator-diagram { position: relative; display: grid; place-items: center; width: 116px; height: 92px; }
.calculator-diagram img { width: 132px; max-width: none; height: 100px; object-fit: contain; filter: drop-shadow(0 8px 8px rgba(12, 58, 91, .14)); }

.calculator-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 18px 14px; }
.calculator-field[hidden] { display: none; }
.calculator-field label { display: block; margin: 0 0 8px 2px; color: #1f3f59; font: 700 11px/1.3 var(--font-body); letter-spacing: .07em; text-transform: uppercase; }
.calculator-field label span:not([data-label-text]) { color: #7c8d9c; font-weight: 500; letter-spacing: 0; text-transform: none; }
.calculator-control { position: relative; display: flex; min-height: 54px; overflow: hidden; border: 1.5px solid #bfd2e3; border-radius: 14px; background: var(--color-white); box-shadow: 0 1px 2px rgba(16, 42, 67, .06); transition: border-color .2s ease, box-shadow .2s ease; }
.calculator-control:hover { border-color: #a6c3db; }
.calculator-control:focus-within { border-color: var(--calc-blue); box-shadow: 0 0 0 3px rgba(14, 88, 149, .13); }
.calculator-control:focus-within select { border-left-color: #bcd4e8; }
.calculator-control input { min-width: 0; flex: 1; width: 100%; padding: 12px 15px; border: 0; outline: 0; background: transparent; color: #10283d; font: 600 15px/1 var(--font-body); font-variant-numeric: tabular-nums; appearance: textfield; -moz-appearance: textfield; }
.calculator-control input::-webkit-outer-spin-button,
.calculator-control input::-webkit-inner-spin-button { margin: 0; -webkit-appearance: none; }
.calculator-control input::placeholder { color: #93a7b8; font-weight: 500; }
.calculator-control select { flex: 0 0 150px; align-self: stretch; max-width: 58%; margin: 0; padding: 0 10px 0 14px; border: 0; border-left: 1.5px solid #dbe7f1; border-radius: 0; outline: 0; background: #f3f8fc; color: var(--calc-blue); font: 700 12px/1 var(--font-body); cursor: pointer; transition: background .2s ease; }
.calculator-control select:hover { background: #e6eff8; }
/* The control clips overflow, so a focus ring on the inner input/select would
   be sliced into a stray line. The whole field lights up through the
   wrapper's :focus-within border and ring instead. */
.calculator-control input:focus-visible,
.calculator-control select:focus-visible { outline: 0; }
.calculator-control.has-currency input { padding-left: 28px; }
.currency-prefix { position: absolute; z-index: 1; top: 50%; left: 14px; transform: translateY(-50%); color: #587084; font-weight: 600; }
.calculator-error { display: block; min-height: 14px; padding: 4px 2px 0; color: #b42318; font-size: 10px; line-height: 1.2; }
.calculator-field.has-error .calculator-control { border-color: #d9534a; background: #fff8f7; box-shadow: 0 0 0 3px rgba(217, 83, 74, .1); }
.calculator-actions { display: flex; justify-content: flex-end; margin-top: 18px; }
.calculator-reset { display: inline-flex; align-items: center; gap: 7px; padding: 10px 18px; border: 1px solid #cbdae8; border-radius: 999px; background: #f4f8fc; color: #5c748a; font: 600 11px/1 var(--font-body); cursor: pointer; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.calculator-reset:hover { border-color: #a6c3db; background: #e7f0f8; color: var(--calc-blue); }

/* Right column: results rail */
.calculator-results {
    align-self: start;
    position: sticky;
    top: 24px;
    padding: 30px 28px;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(ellipse at top left, rgba(255, 255, 255, .1), transparent 58%),
        radial-gradient(ellipse at bottom right, rgba(0, 0, 0, .22), transparent 62%),
        linear-gradient(135deg, var(--calc-blue-light) 0%, var(--calc-blue) 45%, var(--calc-blue-dark) 100%);
    box-shadow: 0 18px 40px rgba(7, 62, 107, .18);
}
.calculator-results::before { content: ""; position: absolute; top: -78px; right: -58px; width: 172px; height: 172px; border: 26px solid rgba(255, 255, 255, .06); border-radius: 50%; pointer-events: none; }
.calculator-results > * { position: relative; z-index: 1; }
.calculator-result-label { display: block; margin-bottom: 8px; color: rgba(255, 255, 255, .72); font: 700 10px/1 var(--font-body); letter-spacing: .16em; text-transform: uppercase; }
.calculator-headline { display: flex; align-items: baseline; gap: 8px; margin-bottom: 18px; }
.calculator-headline strong { color: #fff; font: 700 42px/1.1 var(--font-heading); font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.calculator-headline span { color: rgba(255, 255, 255, .7); font: 700 14px/1 var(--font-body); }
.calculator-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.calculator-metrics > div { padding: 12px 14px; border: 1px solid rgba(255, 255, 255, .15); border-radius: 14px; background: rgba(255, 255, 255, .08); }
.calculator-metrics span { display: block; margin-bottom: 4px; color: rgba(255, 255, 255, .68); font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.calculator-metrics strong { color: #fff; font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.2; }
.calculator-waste-control { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin: 20px 0 12px; }
.calculator-waste-control > span { color: rgba(255, 255, 255, .72); font-size: 10px; font-weight: 700; }
.calculator-waste-control > div { display: flex; gap: 5px; }
.calculator-waste-control button { min-width: 40px; padding: 8px 7px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 10px; background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .86); font: 700 10px/1 var(--font-body); cursor: pointer; transition: .2s ease; }
.calculator-waste-control button:hover { background: rgba(255, 255, 255, .18); color: #fff; }
.calculator-waste-control button.is-active { border-color: transparent; background: #fff; color: var(--calc-blue); }
.calculator-area-display { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 12px 0 10px; }
.calculator-area-display label { color: rgba(255, 255, 255, .78); font-size: 11px; font-weight: var(--fw-semibold); }
.calculator-area-display select { min-height: 34px; padding: 7px 28px 7px 11px; border: 1px solid rgba(255, 255, 255, .3); border-radius: var(--radius-pill); background: rgba(255, 255, 255, .95); color: var(--color-primary); font: 600 11px/1 var(--font-body); }
.calculator-area-display--input { margin: 0 0 18px; padding: 11px 12px 11px 15px; border: 1.5px solid #cbdae8; border-radius: 14px; background: #f4f8fc; }
.calculator-area-display--input label { color: var(--calc-blue-dark); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
.calculator-area-display--input select { min-width: 180px; border-color: #cbdae8; background: #fff; color: var(--calc-blue); font-weight: 700; }

.calculator-order-panel,
.calculator-bags,
.calculator-cost { margin-top: 12px; padding: 17px 20px; border-radius: 16px; }
.calculator-order-panel,
.calculator-cost { background: linear-gradient(135deg, #f07d09 0%, var(--calc-orange) 48%, #c85c00 100%); box-shadow: 0 10px 24px rgba(180, 82, 0, .26); }
.calculator-bags { border: 1px solid rgba(255, 255, 255, .2); background: #0e5895; }
.calculator-order-panel > span,
.calculator-bags > span,
.calculator-cost > span { display: block; margin-bottom: 4px; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.calculator-order-panel > span,
.calculator-cost > span { color: rgba(255, 255, 255, .88); }
.calculator-bags > span { color: rgba(255, 255, 255, .9); }
.calculator-order-panel strong,
.calculator-cost strong { display: block; color: #fff; font: 700 26px/1.15 var(--font-heading); }
.calculator-order-panel small { display: block; margin-top: 3px; color: rgba(255, 255, 255, .85); font-size: 9px; }
.calculator-bags > div { display: flex; margin-top: 10px; }
.calculator-bags p { min-width: 92px; padding-right: 18px; }
.calculator-bags p + p { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, .2); }
.calculator-bags strong { display: block; color: #fff; font: 700 24px/1.1 var(--font-heading); }
.calculator-bags small { display: block; margin-top: 2px; color: rgba(255, 255, 255, .88); font-size: 9px; }
.calculator-empty { padding: 30px 8px; color: rgba(255, 255, 255, .78); text-align: center; font-weight: 600; }
.calculator-result-note { margin-top: 16px; color: rgba(255, 255, 255, .64); font-size: 10px; line-height: 1.6; }

/* Content and FAQ sections below the calculator */
.calculator-content__shell > .section-header + .calculator-main-content { margin-top: var(--space-12); }
.calculator-main-content { max-width: 1000px; font-size: var(--text-md); line-height: var(--lh-relaxed); }
.calculator-page .rich-text h2,
.calculator-page .rich-text h3,
.calculator-page .rich-text h4 { margin: 1.4em 0 .5em; color: var(--color-dark); font-family: var(--font-heading); font-weight: 700; line-height: 1.3; }
.calculator-page .rich-text h2 { font-size: clamp(22px, 2.1vw, 28px); letter-spacing: -.01em; }
.calculator-page .rich-text h3 { font-size: 20px; }
.calculator-page .rich-text h4 { font-size: 17px; }
.calculator-page .rich-text > :first-child { margin-top: 0; }
.calculator-page .rich-text > :last-child { margin-bottom: 0; }
.calculator-page .rich-text p { color: var(--color-dark); font-size: var(--text-md); font-weight: var(--fw-medium); line-height: var(--lh-relaxed); }
.calculator-page .rich-text ul,
.calculator-page .rich-text ol { margin: 1em 0; padding-left: 24px; list-style: initial; }
.calculator-page .rich-text a { color: var(--color-primary); text-decoration: underline; }
.calculator-faq-answer { padding-right: var(--space-12); }
.calculator-faq-answer p { margin-bottom: .75em; }
.calculator-faq-answer > :last-child { margin-bottom: 0; }

@media (max-width: 1200px) {
    .calculator-layout { grid-template-columns: minmax(0, 1.35fr) minmax(300px, 1fr); }
}

@media (max-width: 980px) {
    .calculator-layout { grid-template-columns: 1fr; }
    .calculator-results { position: static; }
}

@media (max-width: 640px) {
    .calculator-primary__shell { padding: 34px 22px; }
    .calculator-banner h1 { margin-top: 16px; font-size: 33px; }
    .calculator-banner__content,
    .calculator-banner__fallback { margin-top: 14px; }
    .construction-calculator { margin-top: var(--space-8); padding-top: var(--space-8); }
    .calculator-input-card { padding: 0; }
    .calculator-results { padding: 24px 20px; border-radius: 18px; }
    .calculator-results::before { display: none; }
    .calculator-headline strong { font-size: 38px; }
    .calculator-tabs { flex-wrap: nowrap; margin-bottom: 20px; padding-bottom: 6px; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; }
    .calculator-tabs::-webkit-scrollbar { display: none; }
    .calculator-tab { flex: 0 0 auto; }
    .calculator-shape-summary { grid-template-columns: 72px 1fr; gap: 14px; padding: 16px 18px; }
    .calculator-diagram { width: 70px; }
    .calculator-diagram img { width: 86px; height: 68px; }
    .calculator-fields { grid-template-columns: 1fr; }
    .calculator-metrics { gap: 8px; }
    .calculator-waste-control { align-items: flex-start; flex-direction: column; }
    .calculator-area-display { align-items: flex-start; flex-direction: column; }
    .calculator-area-display select { width: 100%; }
    .calculator-content__shell .section-header__cta,
    .calculator-faq .section-header__cta { margin-top: var(--space-5); }
}

@media (prefers-reduced-motion: reduce) { .calculator-mode-panel { animation: none; } }