* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: #F8F9F6;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: white;
    border-bottom: 3px solid #E8B859;
    padding: 2rem 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.header-content h1 {
    font-size: 2.5rem;
    color: #2D5B3F;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Poppins', 'Arial Black', sans-serif;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-content p {
    font-size: 1.1rem;
    color: #666;
}

.language-selector {
    padding: 0.75rem 1rem;
    border: 2px solid #E8B859;
    border-radius: 0.5rem;
    background: white;
    color: #2D5B3F;
    font-weight: 500;
    cursor: pointer;
    font-size: 0.95rem;
}

.language-selector:hover {
    background-color: #F9F9F9;
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
}

section {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

section h2 {
    font-size: 1.75rem;
    color: #2D5B3F;
    margin-bottom: 0.5rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

.section-desc {
    color: #888;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    color: #2D5B3F;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.input-group input,
.input-group select {
    padding: 0.75rem;
    border: 2px solid #E8B859;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: #2D5B3F;
    background-color: #FFFBF5;
}

.input-emission {
    font-size: 0.85rem;
    color: #888;
    margin-top: 0.4rem;
    font-weight: 500;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
}

.result-card.total {
    background-color: #F0F4F1;
    grid-column: 1 / -1;
}

.result-card.meals {
    background-color: #FFF8F0;
}

.result-card.transport {
    background-color: #F0F7F5;
}

.result-label {
    font-size: 0.85rem;
    color: #666;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: #2D5B3F;
    margin-bottom: 0.5rem;
    font-family: 'Poppins', sans-serif;
}

.result-card.meals .result-value {
    color: #C85A54;
}

.result-card.transport .result-value {
    color: #2D5B3F;
}

.result-percent {
    font-size: 0.85rem;
    color: #888;
}

.chart-container {
    position: relative;
    height: 380px;
    margin: 2rem 0;
    padding: 1rem;
    background: #F9F9F9;
    border-radius: 0.75rem;
}

.button-primary {
    background-color: #2D5B3F;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    margin-top: 1rem;
}

.button-primary:hover {
    background-color: #1e4029;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 91, 63, 0.2);
}

.button-secondary {
    background-color: #E8B859;
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: 0.35rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s;
}

.button-secondary:hover {
    background-color: #d9a647;
}

.button-danger {
    background-color: #C85A54;
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: 0.35rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s;
}

.button-danger:hover {
    background-color: #b84840;
}

.journey-card {
    background-color: #F9F9F9;
    border: 2px solid #E8B859;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.journey-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
    align-items: end;
}

.journey-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Round-trip checkbox */
.roundtrip-group {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.roundtrip-checkbox-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.5rem;
    height: 100%;
}

.roundtrip-checkbox-wrap input[type="checkbox"] {
    width: 1.15rem;
    height: 1.15rem;
    accent-color: #2D5B3F;
    cursor: pointer;
    flex-shrink: 0;
}

.roundtrip-checkbox-wrap label {
    font-size: 0.85rem;
    color: #2D5B3F;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 0;
}

.context-scenario {
    background-color: #F9F9F9;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.scenario-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2D5B3F;
}

.scenario-bar {
    width: 100%;
    height: 8px;
    background-color: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.scenario-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #88C9A3, #E8B859, #C85A54);
    transition: width 0.3s ease;
}

.scenario-percent {
    font-size: 0.8rem;
    color: #888;
}

footer {
    border-top: 3px solid #E8B859;
    text-align: center;
    padding: 2rem 1rem;
    color: #888;
    font-size: 0.85rem;
}

.hidden {
    display: none !important;
}

.about-section {
    background-color: #F0F4F1;
    border-left: 4px solid #2D5B3F;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 0.5rem;
}

.about-section h2 {
    color: #2D5B3F;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.about-section p {
    color: #555;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.sources-section {
    background-color: #FFFBF5;
    border-top: 1px solid #E8B859;
    padding: 2rem 1rem;
    margin-top: 3rem;
    font-size: 0.85rem;
}

.sources-container {
    max-width: 1400px;
    margin: 0 auto;
}

.sources-section h2 {
    color: #2D5B3F;
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.source-block {
    color: #555;
}

.source-block h3 {
    color: #2D5B3F;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.source-list {
    list-style: none;
    padding: 0;
}

.source-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.source-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #E8B859;
    font-weight: bold;
}

.source-list a {
    color: #2D5B3F;
    text-decoration: none;
    border-bottom: 1px dotted #E8B859;
    transition: all 0.2s;
}

.source-list a:hover {
    color: #E8B859;
    border-bottom: 1px solid #E8B859;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
    border-top: 1px solid #E8B859;
    padding-top: 1.5rem;
}

.resource-link {
    padding: 1rem;
    background: white;
    border: 1px solid #E8B859;
    border-radius: 0.5rem;
    text-decoration: none;
    color: #2D5B3F;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.resource-link:hover {
    background-color: #F9F9F9;
    border-color: #2D5B3F;
    box-shadow: 0 2px 8px rgba(45, 91, 63, 0.1);
}

.resource-link-title {
    font-weight: 600;
    font-size: 0.9rem;
}

.resource-link-desc {
    font-size: 0.8rem;
    color: #888;
}

.info-box {
    background-color: #F0F4F1;
    border-left: 4px solid #2D5B3F;
    padding: 1rem;
    border-radius: 0.35rem;
    margin: 1rem 0;
    font-size: 0.95rem;
    color: #555;
}

.copyright{
    font-size: 0.8rem;
    color: #BBB;
    margin-top: 1.5rem;
    border-top: 1px solid #E8B859;
    padding-top: 1.5rem;
    text-align: right;
}

.copyright a {
    color: #BBB;
    text-decoration: none;
    transition: all 0.2s;
}

.copyright a:hover {
    color: #E8B859;
}


/* ============================================================================
   METHODOLOGY EXPLAINER (Labos1point5 distance calculation)
   ============================================================================ */

.methodology-section {
    background-color: #FAFAF7;
}

.methodology-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.9rem;
}

.methodology-table th {
    background-color: #2D5B3F;
    color: white;
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 600;
}

.methodology-table th:first-child {
    border-top-left-radius: 0.5rem;
}

.methodology-table th:last-child {
    border-top-right-radius: 0.5rem;
}

.methodology-table td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid #EAEAEA;
}

.methodology-table tr:nth-child(even) {
    background-color: #F5F7F4;
}

.methodology-table tr:last-child td {
    border-bottom: none;
}

.methodology-formula {
    background-color: #F0F4F1;
    border-left: 4px solid #E8B859;
    padding: 1rem 1.25rem;
    border-radius: 0.35rem;
    margin: 1.25rem 0;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.9rem;
    color: #2D5B3F;
}

.methodology-note {
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
    margin-top: 0.75rem;
}

/* ============================================================================
   PERSPECTIVE / "ORDERS OF MAGNITUDE" ZONED CHART
   ============================================================================ */

.perspective-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: #F9F9F9;
    border-radius: 0.5rem;
    font-size: 0.82rem;
}

.perspective-legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #555;
}

.perspective-legend-swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    flex-shrink: 0;
}

.perspective-scale-ticks {
    position: relative;
    height: 1.4rem;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    color: #888;
}

.perspective-scale-tick {
    position: absolute;
    transform: translateX(-50%);
    white-space: nowrap;
}

.perspective-row {
    margin-bottom: 1.25rem;
}

.perspective-row-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.35rem;
    font-weight: 600;
    color: #2D5B3F;
    font-size: 0.92rem;
    gap: 0.5rem;
}

.perspective-row-value {
    font-weight: 700;
    white-space: nowrap;
    font-size: 0.88rem;
}

.perspective-track {
    position: relative;
    height: 28px;
    border-radius: 6px;
    overflow: hidden;
    background: #EDEDED;
}

.perspective-zone {
    position: absolute;
    top: 0;
    bottom: 0;
}

.perspective-zone-public {
    background: repeating-linear-gradient(
        45deg,
        #D9D9D9,
        #D9D9D9 6px,
        #E6E6E6 6px,
        #E6E6E6 12px
    );
}

.perspective-zone-remaining {
    background-color: #E3F2E6;
}

.perspective-zone-over {
    background-color: #FBE4E2;
}

.perspective-target-line {
    position: absolute;
    top: -4px;
    bottom: -4px;
    width: 3px;
    background-color: #2D5B3F;
    z-index: 3;
}

.perspective-target-line::after {
    content: attr(data-label);
    position: absolute;
    top: -1.35rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 700;
    color: #2D5B3F;
    white-space: nowrap;
}

.perspective-bar-fill {
    position: absolute;
    top: 4px;
    bottom: 4px;
    border-radius: 4px;
    z-index: 2;
    transition: width 0.3s ease;
    min-width: 3px;
}

.perspective-row-percent {
    font-size: 0.78rem;
    color: #888;
    margin-top: 0.3rem;
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .header-content h1 {
        font-size: 1.75rem;
        flex-wrap: wrap;
    }

    .result-value {
        font-size: 1.5rem;
    }

    .journey-grid {
        grid-template-columns: 1fr;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .result-card.total {
        grid-column: 1;
    }

    .sources-grid {
        grid-template-columns: 1fr;
    }

    .methodology-table {
        font-size: 0.8rem;
    }

    .perspective-scale-ticks {
        display: none;
    }
}