.fps-calculator {
    --fps-navy-950: #071a2b;
    --fps-navy-900: #0b2439;
    --fps-navy-800: #123a5a;
    --fps-blue-700: #0b63ce;
    --fps-blue-600: #1677ff;
    --fps-blue-50: #edf5ff;
    --fps-green-700: #0f6d31;
    --fps-green-50: #edf8f1;
    --fps-amber-800: #854d0e;
    --fps-amber-50: #fffbeb;
    --fps-red-700: #b42318;
    --fps-ink: #101828;
    --fps-text: #344054;
    --fps-muted: #667085;
    --fps-line: #d0d8e2;
    --fps-line-strong: #aebdca;
    --fps-page: #f5f7fa;
    --fps-surface: #fff;
    --fps-soft: #eef4f9;
    --fps-radius-sm: 10px;
    --fps-radius-md: 16px;
    --fps-radius-lg: 24px;
    --fps-shadow-sm: 0 1px 2px rgba(7, 26, 43, .06);
    --fps-shadow-md: 0 16px 42px rgba(7, 26, 43, .1);
    --fps-focus: 0 0 0 4px rgba(22, 119, 255, .22);
    --fps-container: 1220px;
    width: 100%;
    color: var(--fps-text);
    background: var(--fps-page);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
}

.fps-calculator *,
.fps-calculator *::before,
.fps-calculator *::after {
    box-sizing: border-box;
}

.fps-calculator [hidden] {
    display: none !important;
}

.fps-calculator a {
    color: var(--fps-blue-700);
    text-underline-offset: .18em;
}

.fps-calculator a:hover {
    color: var(--fps-navy-900);
}

.fps-calculator a:focus-visible,
.fps-calculator button:focus-visible,
.fps-calculator input:focus-visible,
.fps-calculator select:focus-visible,
.fps-calculator summary:focus-visible,
.fps-calculator [tabindex]:focus-visible {
    outline: 3px solid var(--fps-blue-600);
    outline-offset: 3px;
}

.fps-calculator h1,
.fps-calculator h2,
.fps-calculator h3,
.fps-calculator p {
    overflow-wrap: anywhere;
}

.fps-calculator h1,
.fps-calculator h2,
.fps-calculator h3 {
    color: var(--fps-ink);
    line-height: 1.16;
    text-wrap: balance;
}

.fps-calculator h1 {
    max-width: 16ch;
    margin: 0;
    font-size: clamp(2.15rem, 8vw, 4.7rem);
    letter-spacing: -.052em;
}

.fps-calculator h2 {
    margin: 0 0 12px;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    letter-spacing: -.035em;
}

.fps-calculator h3 {
    margin: 0 0 10px;
    font-size: clamp(1.2rem, 3.3vw, 1.65rem);
    letter-spacing: -.02em;
}

.fps-calculator p {
    margin: 0 0 1em;
}

.fps-calculator__shell {
    width: min(calc(100% - 32px), var(--fps-container));
    margin-inline: auto;
}

.fps-calculator__skip-link {
    position: fixed;
    z-index: 10000;
    inset-block-start: 12px;
    inset-inline-start: 12px;
    min-height: 44px;
    padding: 10px 16px;
    color: #fff !important;
    background: var(--fps-navy-950);
    border-radius: 8px;
    transform: translateY(-160%);
}

.fps-calculator__skip-link:focus {
    transform: translateY(0);
}

.fps-calculator__hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(26px, 5vw, 72px) 0 clamp(42px, 7vw, 90px);
    color: #fff;
    background:
        radial-gradient(circle at 82% 18%, rgba(22, 119, 255, .3), transparent 34%),
        linear-gradient(138deg, #071a2b 0%, #0b2d4d 53%, #0b63ce 145%);
}

.fps-calculator__hero::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    content: "";
    opacity: .22;
    background-image:
        linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(to bottom, #000, transparent 88%);
}

.fps-calculator__hero-grid {
    display: grid;
    gap: 28px;
    align-items: center;
}

.fps-calculator__hero h1,
.fps-calculator__hero p {
    color: #fff;
}

.fps-calculator__breadcrumb {
    margin-block-end: 24px;
    font-size: .85rem;
}

.fps-calculator__breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.fps-calculator__breadcrumb li + li::before {
    margin-inline-end: 8px;
    color: rgba(255, 255, 255, .6);
    content: "/";
}

.fps-calculator__breadcrumb a {
    color: #dbeafe;
}

.fps-calculator__breadcrumb [aria-current="page"] {
    color: #fff;
}

.fps-calculator__eyebrow,
.fps-calculator__kicker {
    margin: 0 0 10px;
    color: var(--fps-blue-700);
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.fps-calculator__hero .fps-calculator__eyebrow {
    color: #93c5fd;
}

.fps-calculator__hero-lead {
    max-width: 62ch;
    margin: 20px 0 22px !important;
    color: rgba(255, 255, 255, .88) !important;
    font-size: clamp(1rem, 2.5vw, 1.18rem);
}

.fps-calculator__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 26px;
    padding: 0;
    list-style: none;
}

.fps-calculator__badges li {
    padding: 7px 11px;
    color: #e9f4ff;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 700;
}

.fps-calculator__hero-actions,
.fps-calculator__form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.fps-calculator__text-link {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 8px 6px;
    color: #fff !important;
    font-weight: 750;
}

.fps-calculator__version-line {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
    margin: 20px 0 0 !important;
    color: rgba(255, 255, 255, .75) !important;
    font-size: .78rem;
}

.fps-calculator__hero-media {
    display: block;
    overflow: hidden;
    background: #0b2439;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: var(--fps-radius-lg);
    box-shadow: 0 30px 70px rgba(0, 0, 0, .32);
}

.fps-calculator__hero-media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1696 / 929;
    object-fit: cover;
}

.fps-calculator__main {
    display: block;
    padding-block: clamp(38px, 7vw, 84px);
}

.fps-calculator__tool,
.fps-calculator__results {
    scroll-margin-top: 100px;
}

.fps-calculator__section-heading {
    max-width: 760px;
    margin-block-end: 24px;
}

.fps-calculator__section-heading > p:last-child {
    color: var(--fps-muted);
}

.fps-calculator__form--simple {
    max-width: 980px;
    margin-inline: auto;
}

.fps-calculator__form-card {
    position: relative;
    z-index: 2;
    overflow: visible;
    background: var(--fps-surface);
    border: 1px solid var(--fps-line);
    border-radius: 18px;
    box-shadow: 0 6px 24px -6px rgba(7, 26, 43, .16), 0 2px 6px -1px rgba(7, 26, 43, .08);
}

.fps-calculator__card-heading {
    display: block;
    margin: 0;
    padding: clamp(18px, 3vw, 25px) clamp(18px, 4vw, 32px);
    color: #fff;
    background: linear-gradient(135deg, var(--fps-blue-700), #084c9d);
    border-radius: 17px 17px 0 0;
}

.fps-calculator__card-heading h3 {
    margin: 0;
    color: #fff;
    font-size: clamp(1.28rem, 3vw, 1.72rem);
}

.fps-calculator__card-heading p {
    margin-block-start: 5px;
    margin-block-end: 0;
    color: rgba(255, 255, 255, .9);
    font-size: .92rem;
}

.fps-calculator__card-heading .fps-calculator__card-eyebrow {
    margin: 0 0 5px;
    color: #fff;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .11em;
}

.fps-calculator__form-body {
    padding: clamp(18px, 4vw, 32px);
    background: var(--fps-surface);
    border-radius: 0 0 17px 17px;
}

.fps-calculator__device-field {
    min-width: 0;
    margin: 0 0 20px;
    padding: 0;
    border: 0;
}

.fps-calculator__device-field legend {
    display: block;
    margin-block-end: 7px;
    color: var(--fps-ink);
    font-size: .88rem;
    font-weight: 730;
}

.fps-calculator__device-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.fps-calculator__device-option {
    position: relative;
    min-width: 0;
    cursor: pointer;
}

.fps-calculator__device-option input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    opacity: 0;
    pointer-events: none;
}

.fps-calculator__device-option > span {
    position: relative;
    display: flex;
    min-height: 58px;
    flex-direction: column;
    justify-content: center;
    padding: 10px 42px 10px 13px;
    color: var(--fps-ink);
    background: #fff;
    border: 1px solid var(--fps-line-strong);
    border-radius: 10px;
    transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.fps-calculator__device-option > span::after {
    content: "\2713";
    position: absolute;
    inset-inline-end: 13px;
    top: 50%;
    display: grid;
    width: 22px;
    height: 22px;
    place-items: center;
    color: #fff;
    background: var(--fps-blue-700);
    border: 1px solid var(--fps-blue-700);
    border-radius: 50%;
    font-size: .78rem;
    font-weight: 900;
    line-height: 1;
    opacity: 0;
    transform: translateY(-50%) scale(.8);
    transition: opacity 160ms ease, transform 160ms ease;
}

.fps-calculator__device-option strong {
    font-size: .94rem;
}

.fps-calculator__device-option small,
.fps-calculator__device-field > small {
    display: block;
    color: var(--fps-muted);
    font-size: .76rem;
    line-height: 1.4;
}

.fps-calculator__device-option small {
    margin-block-start: 2px;
}

.fps-calculator__device-field > small {
    margin-block-start: 6px;
}

.fps-calculator__device-option:hover > span {
    border-color: var(--fps-blue-700);
}

.fps-calculator__device-option input:checked + span {
    color: var(--fps-navy-950);
    background: var(--fps-blue-50);
    border-color: var(--fps-blue-700);
    box-shadow: 0 0 0 1px var(--fps-blue-700);
}

.fps-calculator__device-option input:checked + span::after {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

.fps-calculator__device-option input:focus-visible + span {
    outline: 3px solid rgba(11, 99, 206, .28);
    outline-offset: 3px;
}

.fps-calculator__device-option input[aria-invalid="true"] + span {
    border-color: var(--fps-red-700);
}

.fps-calculator__simple-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
}

.fps-calculator__field,
.fps-calculator__field input,
.fps-calculator__field select {
    min-width: 0;
}

.fps-calculator__field label {
    display: block;
    margin-block-end: 6px;
    color: var(--fps-ink);
    font-size: .88rem;
    font-weight: 730;
}

.fps-calculator__field input,
.fps-calculator__field select {
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    color: var(--fps-ink);
    background: #fff;
    border: 1px solid var(--fps-line-strong);
    border-radius: 9px;
    font: inherit;
    font-size: .94rem;
}

.fps-calculator__field select {
    padding-inline-end: 40px;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.fps-calculator__field input:disabled,
.fps-calculator__field select:disabled {
    color: #667085;
    background-color: #f2f4f7;
    cursor: not-allowed;
    opacity: 1;
}

.fps-calculator__field input[type="search"] {
    appearance: none;
}

.fps-calculator__field input:hover,
.fps-calculator__field select:hover {
    border-color: var(--fps-blue-700);
}

.fps-calculator__field input:focus,
.fps-calculator__field select:focus {
    border-color: var(--fps-blue-600);
    box-shadow: var(--fps-focus);
}

.fps-calculator__field input[aria-invalid="true"],
.fps-calculator__field select[aria-invalid="true"] {
    border-color: var(--fps-red-700);
}

.fps-calculator__field small {
    display: block;
    margin-block-start: 5px;
    color: var(--fps-muted);
    font-size: .78rem;
    line-height: 1.45;
}

.fps-calculator__visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.fps-calculator__combobox {
    position: relative;
}

.fps-calculator__combobox-input {
    padding-inline-end: 42px !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='11' cy='11' r='7'%3e%3c/circle%3e%3cline x1='20' y1='20' x2='16.65' y2='16.65'%3e%3c/line%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 13px center;
    background-size: 18px;
}

.fps-calculator__combobox-options {
    position: absolute;
    z-index: 80;
    top: calc(100% + 6px);
    right: 0;
    left: 0;
    max-height: var(--fps-combobox-max-height, min(340px, 55vh));
    margin: 0;
    padding: 6px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    list-style: none;
    background: #fff;
    border: 1px solid var(--fps-line-strong);
    border-radius: 10px;
    box-shadow: 0 18px 38px rgba(7, 29, 61, .18);
}

.fps-calculator__combobox-options.is-open-above {
    top: auto;
    bottom: calc(100% + 6px);
}

.fps-calculator__combobox-options[hidden] {
    display: none;
}

.fps-calculator__combobox-option {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    min-height: 48px;
    align-content: center;
    justify-items: start;
    gap: 6px;
    padding: 9px 10px;
    color: var(--fps-ink);
    border-radius: 7px;
    cursor: pointer;
    line-height: 1.32;
}

.fps-calculator__combobox-option:hover,
.fps-calculator__combobox-option.is-active,
.fps-calculator__combobox-option[aria-selected="true"] {
    color: var(--fps-navy-950);
    background: var(--fps-blue-50);
}

.fps-calculator__combobox-option-label {
    width: 100%;
    min-width: 0;
    font-size: .88rem;
    font-weight: 760;
    overflow-wrap: break-word;
    word-break: normal;
}

.fps-calculator__combobox-option-badge {
    display: inline-block;
    max-width: 100%;
    padding: 4px 7px;
    color: var(--fps-blue-700);
    background: #fff;
    border: 1px solid #b7d7ff;
    border-radius: 999px;
    font-size: .68rem;
    font-weight: 800;
    overflow-wrap: break-word;
    white-space: normal;
    word-break: normal;
}

.fps-calculator__button {
    display: inline-flex;
    min-height: 44px;
    justify-content: center;
    align-items: center;
    padding: 10px 16px;
    color: var(--fps-navy-900);
    background: #fff;
    border: 1px solid var(--fps-line-strong);
    border-radius: 9px;
    cursor: pointer;
    font: inherit;
    font-size: .88rem;
    font-weight: 780;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    touch-action: manipulation;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.fps-calculator__button:hover {
    color: var(--fps-navy-950);
    background: var(--fps-soft);
    border-color: var(--fps-navy-800);
}

.fps-calculator__button:active {
    transform: translateY(1px);
}

.fps-calculator__button--primary {
    color: #fff !important;
    background: var(--fps-blue-700);
    border-color: var(--fps-blue-700);
    box-shadow: 0 8px 20px rgba(11, 99, 206, .24);
}

.fps-calculator__button--primary:hover {
    background: #084fa8;
    border-color: #084fa8;
}

.fps-calculator__form-actions {
    margin-block-start: 24px;
}

.fps-calculator__notice,
.fps-calculator__status {
    margin: 16px 0 0;
    padding: 12px 14px;
    background: var(--fps-blue-50);
    border: 1px solid #b7d7ff;
    border-radius: 9px;
    font-size: .88rem;
}

.fps-calculator__notice--warning,
.fps-calculator__status[data-state="warning"] {
    color: var(--fps-amber-800);
    background: var(--fps-amber-50);
    border-color: #f4d58d;
}

.fps-calculator__notice--error,
.fps-calculator__status[data-state="error"] {
    color: var(--fps-red-700);
    background: #fff2f0;
    border-color: #f2b8b5;
}

.fps-calculator__status[data-state="success"] {
    color: var(--fps-green-700);
    background: var(--fps-green-50);
    border-color: #add8bc;
}

.fps-calculator__results {
    margin-block-start: 32px;
    padding: clamp(20px, 4vw, 34px);
    background: var(--fps-surface);
    border: 1px solid var(--fps-line);
    border-radius: var(--fps-radius-lg);
    box-shadow: var(--fps-shadow-md);
}

.fps-calculator__results:focus {
    outline: none;
}

.fps-calculator__results:focus-visible {
    outline: 3px solid var(--fps-blue-600);
    outline-offset: 4px;
}

.fps-calculator__results-header,
.fps-calculator__source-results,
.fps-calculator__empty-state,
.fps-calculator__results > .fps-calculator__answer-box {
    max-width: 1120px;
    margin-inline: auto;
}

.fps-calculator__results-header {
    margin-block-end: 20px;
}

.fps-calculator__results-header p:last-child {
    margin-block-end: 0;
    color: var(--fps-muted);
}

.fps-calculator__empty-state {
    padding: clamp(18px, 4vw, 28px);
    background: var(--fps-amber-50);
    border: 1px solid #f4d58d;
    border-radius: var(--fps-radius-md);
}

.fps-calculator__empty-state p:last-child,
.fps-calculator__answer-box p:last-child {
    margin-block-end: 0;
}

.fps-calculator__result-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.fps-calculator__result-grid--secondary {
    margin-block-start: 14px;
}

.fps-calculator__result-card {
    min-width: 0;
    padding: clamp(15px, 2.4vw, 20px);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--fps-line);
    border-radius: var(--fps-radius-md);
    box-shadow: var(--fps-shadow-sm);
}

.fps-calculator__result-card--physical {
    border-block-start: 3px solid var(--fps-green-700);
}

.fps-calculator__result-card header {
    display: flex;
    min-width: 0;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.fps-calculator__result-card h3 {
    min-width: 0;
    margin: 0;
    color: var(--fps-ink);
    font-size: .96rem;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.fps-calculator__result-kind {
    flex: 0 0 auto;
    padding: 3px 6px;
    color: var(--fps-green-700);
    background: var(--fps-green-50);
    border: 1px solid #add8bc;
    border-radius: 999px;
    font-size: .62rem;
    font-weight: 800;
    line-height: 1.25;
    text-align: center;
    overflow-wrap: anywhere;
}

.fps-calculator__source-value {
    display: block;
    margin: 14px 0 8px;
    color: var(--fps-navy-950);
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 850;
    line-height: 1.2;
}

.fps-calculator__fps-progress {
    height: 7px;
    overflow: hidden;
    background: #e7edf5;
    border-radius: 999px;
}

.fps-calculator__fps-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--fps-blue-700), #22a06b);
    border-radius: inherit;
    transition: width 720ms cubic-bezier(.22, 1, .36, 1);
}

.fps-calculator__source-system {
    display: block;
    margin: 12px 0 0;
    color: var(--fps-text);
    font-size: .79rem;
    font-weight: 700;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.fps-calculator__power-pair {
    width: fit-content;
    margin: 8px 0 0;
    padding: 5px 7px;
    color: var(--fps-blue-700);
    background: var(--fps-blue-50);
    border-radius: 6px;
    font-size: .7rem;
    font-weight: 800;
    line-height: 1.35;
}

.fps-calculator__source-conditions {
    display: grid;
    gap: 3px;
    margin: 10px 0 0;
    padding: 0;
    color: var(--fps-muted);
    list-style: none;
    font-size: .72rem;
    line-height: 1.42;
}

.fps-calculator__source-conditions li {
    overflow-wrap: anywhere;
}

.fps-calculator__source-link {
    display: flex;
    width: fit-content;
    min-height: 44px;
    align-items: center;
    margin-block-start: 5px;
    padding-block: 9px;
    color: var(--fps-muted);
    font-size: .75rem;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.fps-calculator__alternate-tests {
    margin-block-start: 4px;
    padding-block-start: 4px;
    border-block-start: 1px solid var(--fps-line);
}

.fps-calculator__alternate-tests summary {
    display: flex;
    min-height: 40px;
    align-items: center;
    color: var(--fps-blue-700);
    cursor: pointer;
    font-size: .73rem;
    font-weight: 800;
}

.fps-calculator__alternate-tests ul {
    display: grid;
    gap: 7px;
    margin: 0;
    padding: 0 0 5px;
    list-style: none;
}

.fps-calculator__alternate-tests li {
    display: grid;
    gap: 2px;
    padding: 8px;
    color: var(--fps-muted);
    background: var(--fps-soft);
    border-radius: 7px;
    font-size: .7rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.fps-calculator__alternate-tests li strong {
    color: var(--fps-ink);
}

.fps-calculator__alternate-tests li a {
    display: flex;
    min-height: 44px;
    align-items: center;
    color: var(--fps-blue-700);
    font-weight: 800;
}

.fps-calculator__more-button {
    display: none;
    width: 100%;
    margin-block-start: 16px;
}

.fps-calculator__more-button:not([hidden]) {
    display: inline-flex;
}

.fps-calculator__more-button:disabled {
    cursor: default;
    opacity: .76;
}

.fps-calculator__recommendations {
    margin-block-start: clamp(42px, 7vw, 76px);
}

.fps-calculator__recommendation-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.fps-calculator__recommendation-grid a {
    display: flex;
    min-height: 116px;
    flex-direction: column;
    justify-content: center;
    padding: 18px;
    color: var(--fps-text);
    background: var(--fps-surface);
    border: 1px solid var(--fps-line);
    border-radius: var(--fps-radius-md);
    box-shadow: var(--fps-shadow-sm);
    text-decoration: none;
}

.fps-calculator__recommendation-grid a:hover {
    border-color: var(--fps-blue-600);
}

.fps-calculator__recommendation-grid strong,
.fps-calculator__recommendation-grid span {
    display: block;
}

.fps-calculator__recommendation-grid strong {
    color: var(--fps-blue-700);
}

.fps-calculator__recommendation-grid span {
    margin-block-start: 5px;
    font-size: .84rem;
}

.fps-calculator__guide {
    margin-block-start: clamp(54px, 9vw, 104px);
    padding: clamp(22px, 5vw, 56px);
    background: var(--fps-surface);
    border: 1px solid var(--fps-line);
    border-radius: var(--fps-radius-lg);
    box-shadow: var(--fps-shadow-sm);
}

.fps-calculator__guide-header,
.fps-calculator__guide > section,
.fps-calculator__guide > .fps-calculator__answer-box {
    max-width: 850px;
    margin-inline: auto;
}

.fps-calculator__guide-header {
    padding-block-end: 28px;
    border-block-end: 1px solid var(--fps-line);
}

.fps-calculator__standfirst {
    font-size: clamp(1rem, 2.2vw, 1.15rem);
}

.fps-calculator__byline {
    display: flex;
    flex-wrap: wrap;
    gap: 5px 18px;
    color: var(--fps-muted);
    font-size: .8rem;
}

.fps-calculator__answer-box {
    margin-block: 28px;
    padding: clamp(18px, 4vw, 26px);
    background: var(--fps-blue-50);
    border: 1px solid #b7d7ff;
    border-inline-start: 5px solid var(--fps-blue-600);
    border-radius: var(--fps-radius-sm);
}

.fps-calculator__guide > section {
    padding-block: 27px;
    border-block-end: 1px solid var(--fps-line);
}

.fps-calculator__guide > section:last-child {
    border-block-end: 0;
}

.fps-calculator__guide section p:last-child {
    margin-block-end: 0;
}

.fps-calculator__evidence-note {
    padding: 14px 16px;
    color: var(--fps-navy-900);
    background: var(--fps-amber-50);
    border: 1px solid #f4d58d;
    border-inline-start: 5px solid #b86b00;
    border-radius: var(--fps-radius-sm);
}

.fps-calculator__faq {
    margin-block-start: clamp(54px, 9vw, 104px);
}

.fps-calculator__faq-list {
    display: grid;
    gap: 10px;
    max-width: 850px;
}

.fps-calculator__faq-list details {
    overflow: hidden;
    background: var(--fps-surface);
    border: 1px solid var(--fps-line);
    border-radius: var(--fps-radius-sm);
}

.fps-calculator__faq-list summary {
    display: flex;
    min-height: 52px;
    align-items: center;
    padding: 12px 48px 12px 16px;
    color: var(--fps-ink);
    cursor: pointer;
    font-weight: 760;
}

.fps-calculator__faq-list details p {
    margin: 0;
    padding: 0 16px 16px;
}

@media (min-width: 620px) {
    .fps-calculator__shell {
        width: min(calc(100% - 48px), var(--fps-container));
    }

    .fps-calculator__simple-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 920px) {
    .fps-calculator__hero-grid {
        grid-template-columns: minmax(0, 1.04fr) minmax(380px, .96fr);
        gap: clamp(34px, 6vw, 78px);
    }

    .fps-calculator__hero-media {
        transform: perspective(1200px) rotateY(-3deg);
    }

    .fps-calculator__simple-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .fps-calculator__recommendation-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .fps-calculator__hero-actions .fps-calculator__button,
    .fps-calculator__form-actions .fps-calculator__button {
        width: 100%;
    }

    .fps-calculator__form-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .fps-calculator__results {
        padding: 14px;
    }

    .fps-calculator__result-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 9px;
    }

    .fps-calculator__result-grid--secondary {
        margin-block-start: 9px;
    }

    .fps-calculator__result-card {
        padding: 11px;
        border-radius: 10px;
    }

    .fps-calculator__result-card header {
        display: block;
    }

    .fps-calculator__result-kind {
        display: inline-block;
        margin-block-start: 6px;
    }

    .fps-calculator__source-value {
        margin-block-start: 10px;
        font-size: clamp(1.25rem, 7vw, 1.65rem);
    }

    .fps-calculator__combobox-option-badge {
        font-size: .66rem;
    }
}

@media (max-width: 519.98px) {
    .fps-calculator__result-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .fps-calculator__button,
    .fps-calculator__source-link,
    .fps-calculator__alternate-tests summary,
    .fps-calculator__faq-list summary {
        min-height: 48px;
        touch-action: manipulation;
    }

    .fps-calculator__result-card {
        padding: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fps-calculator *,
    .fps-calculator *::before,
    .fps-calculator *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }

    .fps-calculator__hero-media {
        transform: none;
    }
}

@media (forced-colors: active) {
    .fps-calculator__button,
    .fps-calculator__combobox-options,
    .fps-calculator__result-card {
        border: 1px solid ButtonText;
    }

    .fps-calculator__device-option > span {
        border: 1px solid ButtonText;
    }

    .fps-calculator__device-option input:checked + span {
        border: 3px solid Highlight;
        box-shadow: none;
    }

    .fps-calculator__device-option input:checked + span::after {
        color: HighlightText;
        background: Highlight;
        border-color: Highlight;
        forced-color-adjust: auto;
    }

    .fps-calculator__fps-progress span {
        background: Highlight;
    }

    .fps-calculator__source-link {
        color: LinkText;
        text-decoration: underline;
    }
}

@media print {
    .fps-calculator {
        color: #000;
        background: #fff;
        font-size: 10pt;
    }

    .fps-calculator__hero,
    .fps-calculator__tool,
    .fps-calculator__guide,
    .fps-calculator__recommendations,
    .fps-calculator__faq,
    .fps-calculator__skip-link {
        display: none !important;
    }

    .fps-calculator__results {
        width: 100%;
        margin: 0;
        padding: 0;
        border: 0;
        box-shadow: none;
    }

}