:root {
    --cc-orange: #FF9900;
    --cc-orange-dark: #d7500b;
    --cc-orange-soft: #fff0e6;

    --cc-black: #151515;
    --cc-charcoal: #222222;

    --cc-grey-900: #303030;
    --cc-grey-700: #666666;
    --cc-grey-500: #8b8b8b;
    --cc-grey-300: #d4d4d4;
    --cc-grey-200: #e7e7e7;
    --cc-grey-100: #f4f4f2;

    --cc-cream: #f7f5f0;
    --cc-white: #ffffff;
    --cc-green: #48b982;
    --cc-red: #c73d32;

    --cc-radius-large: 24px;
    --cc-radius-medium: 16px;
    --cc-radius-small: 10px;

    --cc-shadow:
        0 24px 60px rgba(0, 0, 0, 0.1),
        0 5px 18px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--cc-black);
    background: var(--cc-cream);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
}

button,
input,
select {
    font: inherit;
}

button,
a,
summary {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(243, 107, 33, 0.3);
    outline-offset: 2px;
}

[hidden] {
    display: none !important;
}

.cc-calculator {
    min-height: 100vh;
    isolation: isolate;
}

.cc-container {
    width: min(1180px, calc(100% - 32px));
    margin-inline: auto;
}

.cc-hero {
    padding: 72px 0 130px;
    color: var(--cc-white);
    background:
        radial-gradient(
            circle at 84% 15%,
            rgba(243, 107, 33, 0.3),
            transparent 33%
        ),
        linear-gradient(135deg, #101010 0%, #292929 100%);
}

.cc-hero h1 {
    max-width: 850px;
    margin: 8px 0 17px;
    font-size: clamp(2.3rem, 6vw, 4.8rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.cc-hero__intro {
    max-width: 720px;
    margin: 0;
    color: rgba(255, 255, 255, 0.75);
    font-size: clamp(1rem, 2vw, 1.2rem);
}

.cc-eyebrow,
.cc-kicker {
    margin: 0;
    color: var(--cc-orange);
    font-size: 0.74rem;
    font-weight: 850;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.cc-kicker--light {
    color: #ffa06a;
}

.cc-layout {
    display: grid;
    grid-template-columns:
        minmax(0, 1.14fr)
        minmax(340px, 0.86fr);
    gap: 30px;
    align-items: start;
    margin-top: 50px;
    padding-bottom: 80px;
}

.cc-panel,
.cc-results-card,
.cc-formula-card {
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: var(--cc-radius-large);
    box-shadow: var(--cc-shadow);
}

.cc-form-panel {
    overflow: hidden;
    padding: 34px;
    background: var(--cc-white);
}

.cc-section-heading {
    display: flex;
    gap: 24px;
    align-items: flex-end;
    justify-content: space-between;
}

.cc-section-heading h2,
.cc-results-card h2,
.cc-formula-card h2 {
    margin: 4px 0 0;
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.cc-unit-switch {
    display: inline-grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    padding: 4px;
    border-radius: 11px;
    background: var(--cc-grey-100);
}

.cc-unit-switch button {
    min-width: 88px;
    padding: 9px 13px;
    border: 0;
    border-radius: 8px;
    color: var(--cc-grey-700);
    background: transparent;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 800;
}

.cc-unit-switch button.is-active {
    color: var(--cc-white);
    background: var(--cc-black);
    box-shadow: 0 5px 14px rgba(0, 0, 0, 0.17);
}

.cc-shape-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 22px;
}

.cc-shape-tabs > button {
    display: flex;
    min-height: 100px;
    gap: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 14px;
    border: 1px solid var(--cc-grey-300);
    border-radius: 14px;
    color: var(--cc-grey-700);
    background: var(--cc-white);
    cursor: pointer;
    font-weight: 820;
    transition:
        color 150ms ease,
        border-color 150ms ease,
        background 150ms ease,
        transform 150ms ease;
}

.cc-shape-tabs > button:hover {
    transform: translateY(-2px);
    border-color: var(--cc-orange);
}

.cc-shape-tabs > button.is-active {
    color: var(--cc-orange-dark);
    border-color: var(--cc-orange);
    background: var(--cc-orange-soft);
}

.cc-shape-icon {
    position: relative;
    display: block;
    width: 54px;
    height: 34px;
}

.cc-shape-icon--slab span,
.cc-shape-icon--footing span {
    position: absolute;
    inset: 7px 3px 4px;
    border: 2px solid currentColor;
    transform: skewY(-5deg);
}

.cc-shape-icon--slab span {
    height: 15px;
}

.cc-shape-icon--footing span {
    height: 27px;
}

.cc-shape-icon--column span {
    position: absolute;
    top: 1px;
    left: 14px;
    width: 27px;
    height: 32px;
    border: 2px solid currentColor;
    border-radius: 50% / 12%;
}

.cc-dimensions-section,
.cc-material-section {
    margin-top: 32px;
    padding-top: 30px;
    border-top: 1px solid var(--cc-grey-200);
}

.cc-dimensions-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 28px;
    align-items: center;
    margin-top: 24px;
}

.cc-project-graphic {
    display: grid;
    min-height: 220px;
    place-items: center;
    border-radius: 18px;
    background:
        linear-gradient(
            135deg,
            rgba(243, 107, 33, 0.08),
            rgba(243, 107, 33, 0.01)
        ),
        var(--cc-grey-100);
}

.cc-graphic {
    position: relative;
    width: 140px;
    height: 150px;
}

.cc-graphic--rectangular {
    transform: translateY(12px);
}

.cc-graphic__top {
    position: absolute;
    top: 37px;
    left: 18px;
    width: 96px;
    height: 51px;
    border: 2px solid var(--cc-orange);
    background: rgba(243, 107, 33, 0.12);
    transform: skewY(-20deg);
}

.cc-graphic__front {
    position: absolute;
    top: 71px;
    left: 18px;
    width: 96px;
    height: 35px;
    border: 2px solid var(--cc-orange);
    background: rgba(243, 107, 33, 0.23);
    transform: skewY(-20deg);
}

.cc-graphic__side {
    position: absolute;
    top: 56px;
    left: 113px;
    width: 22px;
    height: 34px;
    border: 2px solid var(--cc-orange);
    background: rgba(243, 107, 33, 0.34);
    transform: skewY(29deg);
}

.cc-graphic--column {
    transform: translateY(6px);
}

.cc-column__top {
    position: absolute;
    top: 20px;
    left: 38px;
    z-index: 2;
    width: 65px;
    height: 24px;
    border: 2px solid var(--cc-orange);
    border-radius: 50%;
    background: #ffd2b7;
}

.cc-column__body {
    position: absolute;
    top: 31px;
    left: 38px;
    width: 65px;
    height: 92px;
    border: 2px solid var(--cc-orange);
    border-top: 0;
    border-radius: 0 0 50% 50% / 0 0 14% 14%;
    background:
        linear-gradient(
            to right,
            rgba(243, 107, 33, 0.12),
            rgba(243, 107, 33, 0.35)
        );
}

.cc-dimension-label {
    position: absolute;
    color: var(--cc-grey-700);
    font-size: 0.62rem;
    font-weight: 800;
}

.cc-dimension-label--length {
    left: 42px;
    bottom: 21px;
}

.cc-dimension-label--width {
    top: 20px;
    left: 29px;
}

.cc-dimension-label--depth {
    top: 86px;
    right: -3px;
}

.cc-dimension-label--diameter {
    top: 1px;
    left: 41px;
}

.cc-dimension-label--height {
    top: 70px;
    right: -2px;
}

.cc-fields-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.cc-fields-grid--settings {
    margin-top: 23px;
}

.cc-field label {
    display: block;
    margin-bottom: 7px;
    color: var(--cc-black);
    font-size: 0.7rem;
    font-weight: 820;
}

.cc-field > small {
    display: block;
    margin-top: 6px;
    color: var(--cc-grey-700);
    font-size: 0.68rem;
    line-height: 1.4;
}

.cc-input-wrapper,
.cc-select-wrapper {
    position: relative;
}

.cc-input-wrapper {
    display: flex;
    align-items: stretch;
    overflow: hidden;
    border: 1px solid var(--cc-grey-300);
    border-radius: var(--cc-radius-small);
    background: var(--cc-white);
    transition:
        border-color 150ms ease,
        box-shadow 150ms ease;
}

.cc-input-wrapper:focus-within {
    border-color: var(--cc-orange);
    box-shadow: 0 0 0 3px rgba(243, 107, 33, 0.12);
}

.cc-input-wrapper input {
    width: 100%;
    min-width: 0;
    height: 48px;
    padding: 10px 13px;
    border: 0;
    outline: 0;
    color: var(--cc-black);
    background: transparent;
    font-weight: 750;
}

.cc-input-wrapper > span:not(.cc-input-prefix) {
    display: grid;
    min-width: 52px;
    padding: 0 12px;
    place-items: center;
    color: var(--cc-grey-700);
    border-left: 1px solid var(--cc-grey-200);
    background: var(--cc-grey-100);
    font-size: 0.73rem;
    font-weight: 800;
}

.cc-input-prefix {
    display: grid;
    min-width: 44px;
    place-items: center;
    color: var(--cc-grey-700);
    border-right: 1px solid var(--cc-grey-200);
    background: var(--cc-grey-100);
    font-weight: 800;
}

.cc-select-wrapper::after {
    position: absolute;
    top: 50%;
    right: 15px;
    width: 8px;
    height: 8px;
    content: "";
    pointer-events: none;
    border-right: 2px solid var(--cc-grey-700);
    border-bottom: 2px solid var(--cc-grey-700);
    transform: translateY(-70%) rotate(45deg);
}

.cc-select-wrapper select {
    width: 100%;
    height: 48px;
    padding: 10px 42px 10px 13px;
    appearance: none;
    border: 1px solid var(--cc-grey-300);
    border-radius: var(--cc-radius-small);
    outline: 0;
    color: var(--cc-black);
    background: var(--cc-white);
    cursor: pointer;
    font-weight: 720;
}

.cc-select-wrapper select:focus {
    border-color: var(--cc-orange);
    box-shadow: 0 0 0 3px rgba(243, 107, 33, 0.12);
}

.cc-field.has-error .cc-input-wrapper {
    border-color: var(--cc-red);
}

.cc-error {
    display: block;
    min-height: 17px;
    margin-top: 4px;
    color: var(--cc-red);
    font-size: 0.68rem;
    font-weight: 700;
}

.cc-cost-details {
    margin-top: 24px;
    border: 1px solid var(--cc-grey-200);
    border-radius: 13px;
    background: var(--cc-grey-100);
}

.cc-cost-details summary {
    padding: 15px 17px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 820;
}

.cc-cost-details[open] {
    padding-bottom: 18px;
}

.cc-cost-details[open] summary {
    border-bottom: 1px solid var(--cc-grey-200);
}

.cc-cost-details .cc-fields-grid {
    padding-inline: 17px;
}

.cc-form-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    margin-top: 30px;
}

.cc-calculate-button,
.cc-reset-button,
.cc-primary-button,
.cc-secondary-button {
    min-height: 50px;
    padding: 12px 19px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 830;
}

.cc-calculate-button,
.cc-primary-button {
    border: 0;
    color: var(--cc-white);
    background: var(--cc-orange);
    transition:
        background 150ms ease,
        transform 150ms ease;
}

.cc-calculate-button:hover,
.cc-primary-button:hover {
    background: var(--cc-orange-dark);
    transform: translateY(-1px);
}

.cc-reset-button,
.cc-secondary-button {
    border: 1px solid var(--cc-grey-300);
    color: var(--cc-black);
    background: transparent;
}

.cc-results-column {
    position: sticky;
    top: 20px;
}

.cc-results-card {
    overflow: hidden;
    padding: 30px;
    color: var(--cc-white);
    background:
        radial-gradient(
            circle at 100% 0,
            rgba(243, 107, 33, 0.26),
            transparent 30%
        ),
        var(--cc-black);
}

.cc-results-header {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    justify-content: space-between;
}

.cc-result-shape {
    padding: 7px 11px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.68rem;
    font-weight: 820;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.cc-primary-result {
    display: flex;
    flex-direction: column;
    margin-top: 28px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--cc-radius-medium);
    background: rgba(255, 255, 255, 0.055);
}

.cc-primary-result > span,
.cc-bag-result > div > span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.72rem;
    font-weight: 780;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.cc-primary-result strong {
    margin-top: 4px;
    font-size: clamp(2.4rem, 6vw, 4rem);
    line-height: 1;
    letter-spacing: -0.06em;
}

.cc-primary-result small,
.cc-bag-result small {
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.7rem;
}

.cc-bag-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 17px;
    padding: 20px 21px;
    border-radius: var(--cc-radius-medium);
    color: var(--cc-black);
    background: var(--cc-orange);
}

.cc-bag-result > div {
    display: flex;
    flex-direction: column;
}

.cc-bag-result > div > span,
.cc-bag-result small {
    color: rgba(0, 0, 0, 0.65);
}

.cc-bag-result strong {
    margin-top: 2px;
    color: var(--cc-black);
    font-size: 3.1rem;
    line-height: 1;
    letter-spacing: -0.05em;
}

.cc-bag-icon {
    display: grid;
    width: 65px;
    height: 78px;
    place-items: center;
    border: 3px solid rgba(0, 0, 0, 0.65);
    border-radius: 7px 7px 12px 12px;
    transform: rotate(3deg);
}

.cc-bag-icon::before {
    position: absolute;
    width: 25px;
    height: 7px;
    content: "";
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.65);
    transform: translateY(-40px);
}

.cc-bag-icon span {
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.cc-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    margin-top: 18px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: var(--cc-radius-medium);
    background: rgba(255, 255, 255, 0.11);
}

.cc-result-grid article {
    min-height: 121px;
    padding: 17px;
    background: #1d1d1d;
}

.cc-result-grid article > span {
    display: block;
    min-height: 34px;
    color: rgba(255, 255, 255, 0.54);
    font-size: 0.7rem;
    font-weight: 720;
    line-height: 1.25;
}

.cc-result-grid strong {
    display: block;
    margin-top: 8px;
    color: #ffa06a;
    font-size: 1.3rem;
    line-height: 1.1;
}

.cc-result-grid small {
    display: block;
    margin-top: 7px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.64rem;
}

.cc-conversions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
}

.cc-conversions > div {
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 10px;
}

.cc-conversions span,
.cc-cost-results span {
    display: block;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.65rem;
}

.cc-conversions strong {
    display: block;
    margin-top: 4px;
    font-size: 0.84rem;
}

.cc-cost-results {
    margin-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.cc-cost-results > div {
    display: flex;
    gap: 15px;
    align-items: center;
    justify-content: space-between;
    padding: 13px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cc-cost-results strong {
    font-size: 0.82rem;
    text-align: right;
}

.cc-warning {
    margin-top: 18px;
    padding: 13px 14px;
    border-left: 3px solid var(--cc-orange);
    border-radius: 0 8px 8px 0;
    color: rgba(255, 255, 255, 0.68);
    background: rgba(243, 107, 33, 0.09);
    font-size: 0.73rem;
}

.cc-result-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    margin-top: 20px;
}

.cc-primary-button,
.cc-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cc-secondary-button {
    color: var(--cc-white);
    border-color: rgba(255, 255, 255, 0.19);
}

.cc-secondary-button:hover {
    background: rgba(255, 255, 255, 0.08);
}

.cc-copy-status {
    min-height: 18px;
    margin: 9px 0 0;
    color: #9cdeb9;
    font-size: 0.68rem;
    text-align: center;
}

.cc-formula-card {
    margin-top: 18px;
    padding: 23px;
    background: var(--cc-white);
}

.cc-formula-card code {
    display: block;
    overflow-x: auto;
    margin-top: 13px;
    padding: 13px 14px;
    border-radius: 9px;
    color: var(--cc-orange-dark);
    background: var(--cc-orange-soft);
    font-size: 0.74rem;
    font-weight: 800;
    white-space: nowrap;
}

.cc-formula-card p:last-child {
    margin: 13px 0 0;
    color: var(--cc-grey-700);
    font-size: 0.73rem;
}

.cc-disclaimer {
    margin: 15px 6px 0;
    color: var(--cc-grey-700);
    font-size: 0.68rem;
    line-height: 1.55;
}

@media (max-width: 960px) {
    .cc-layout {
        grid-template-columns: 1fr;
    }

    .cc-results-column {
        position: static;
    }
}

@media (max-width: 680px) {
    .cc-container {
        width: min(100% - 20px, 1180px);
    }

    .cc-hero {
        padding: 54px 0 105px;
    }

    .cc-layout {
        gap: 16px;
        margin-top: -65px;
    }

    .cc-form-panel,
    .cc-results-card {
        padding: 22px 18px;
        border-radius: 18px;
    }

    .cc-section-heading {
        align-items: flex-start;
    }

    .cc-unit-switch button {
        min-width: 70px;
        padding-inline: 9px;
    }

    .cc-shape-tabs {
        gap: 6px;
    }

    .cc-shape-tabs > button {
        min-height: 88px;
        padding: 10px 6px;
        font-size: 0.75rem;
    }

    .cc-dimensions-layout {
        grid-template-columns: 1fr;
    }

    .cc-project-graphic {
        min-height: 190px;
    }

    .cc-fields-grid {
        grid-template-columns: 1fr;
    }

    .cc-result-grid {
        grid-template-columns: 1fr;
    }

    .cc-result-grid article {
        min-height: 98px;
    }

    .cc-conversions {
        grid-template-columns: 1fr;
    }

    .cc-form-actions,
    .cc-result-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 420px) {
    .cc-section-heading {
        flex-direction: column;
    }

    .cc-unit-switch {
        width: 100%;
    }

    .cc-unit-switch button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media print {
    body {
        background: var(--cc-white);
    }

    .cc-hero,
    .cc-form-panel,
    .cc-formula-card,
    .cc-result-actions,
    .cc-copy-status,
    .cc-disclaimer {
        display: none !important;
    }

    .cc-layout {
        display: block;
        margin: 0;
        padding: 0;
    }

    .cc-results-column {
        position: static;
    }

    .cc-results-card {
        color: var(--cc-black);
        border: 1px solid #999999;
        box-shadow: none;
        background: var(--cc-white);
    }

    .cc-results-card *,
    .cc-primary-result strong,
    .cc-result-grid strong {
        color: var(--cc-black) !important;
    }

    .cc-primary-result,
    .cc-result-grid,
    .cc-result-grid article,
    .cc-warning,
    .cc-conversions > div {
        border-color: #bbbbbb;
        background: var(--cc-white);
    }

    .cc-bag-result {
        border: 1px solid #888888;
        background: var(--cc-white);
    }
}