/* ==========================================================================
   Variables - Malvern Garden Buildings Brand Colors
   ========================================================================== */

:root {
    /* Brand Colors - Malvern Garden Buildings */
    --primary-green: #10413e;
    --primary-green-light: #1a5d58;
    --primary-green-dark: #0a2d2a;
    --accent-green: #2a7a73;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6b6b6b;
    --background-light: #f8f9f6;
    --background-white: #ffffff;
    --background-light-green: #e8f0e3;
    --background-warning: #fff3cd;
    --background-info: #f8f9f6;
    --background-grey: #ededed;
    --border-color: #e0e0e0;
    --success-color: #10413e;
    --success-bg: #e8f0e3;
    --warning-color: #d97706;
    --warning-bg: #fef3c7;
    --error-color: #dc2626;
    --error-bg: #fee2e2;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --gradient-bg: #fafafa;
    --gradient-primary: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    --gradient-primary-hover: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
    
    /* Legacy variable names for compatibility */
    --gorc-primary: var(--primary-green);
    --gorc-primary-dark: var(--primary-green-dark);
    --gorc-primary-light: var(--primary-green-light);
    --gorc-secondary: var(--text-medium);
    --gorc-success: var(--success-color);
    --gorc-warning: var(--warning-color);
    --gorc-error: var(--error-color);
    --gorc-bg: var(--background-white);
    --gorc-bg-light: var(--background-light);
    --gorc-border: var(--border-color);
    --gorc-border-dark: #cbd5e1;
    --gorc-text: var(--text-dark);
    --gorc-text-light: var(--text-light);
    --gorc-shadow: var(--shadow-sm);
    --gorc-shadow-md: var(--shadow-md);
    --gorc-shadow-lg: var(--shadow-lg);
    --gorc-radius: 8px;
    --gorc-radius-lg: 12px;
    --gorc-spacing: 1rem;
    --gorc-spacing-sm: 0.5rem;
    --gorc-spacing-lg: 1.5rem;
    --gorc-spacing-xl: 2rem;
}

/* ==========================================================================
   Main Container
   ========================================================================== */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--gradient-bg);
    min-height: 100vh;
}

/* ==========================================================================
   Header Styles
   ========================================================================== */

.header {
    background: var(--background-grey);
    width: 100%;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    width: 2em;
    height: auto;
    flex-shrink: 0;
}

.header-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-green);
    color: var(--background-white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
}

.header-button:hover {
    background: var(--primary-green-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Container
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   Skip Link
   ========================================================================== */

.skip-link {
    position: absolute;
    top: -42px;
    left: 0;
    background: var(--primary-green);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.gorc-calculator-wrapper {
    margin: 0;
    padding: 0;
}

.gorc-calculator-container {
    background: var(--background-white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    padding: 2.5rem;
    margin-bottom: 2rem;
}

/* ==========================================================================
   Calculator Intro
   ========================================================================== */

.calculator-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.gorc-calculator-title {
    font-family: 'Playfair Display', serif;
    margin: 0 0 0.5rem 0;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    color: var(--primary-green);
}

.gorc-calculator-subtitle {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-medium);
}

/* ==========================================================================
   Content
   ========================================================================== */

.gorc-calculator-content {
    padding: var(--gorc-spacing-xl);
}

/* ==========================================================================
   Form Sections
   ========================================================================== */

.gorc-section {
    margin-bottom: var(--gorc-spacing-xl);
    padding: var(--gorc-spacing-lg);
    background: var(--gorc-bg-light);
    border-radius: var(--gorc-radius);
    border: 1px solid var(--gorc-border);
}

.gorc-section-title {
    font-family: 'Playfair Display', serif;
    margin: 0 0 var(--gorc-spacing-lg) 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-green);
    border-bottom: 2px solid var(--primary-green);
    padding-bottom: var(--gorc-spacing-sm);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.gorc-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gorc-spacing-lg);
    margin-bottom: var(--gorc-spacing-lg);
}

.gorc-form-group {
    margin-bottom: var(--gorc-spacing-lg);
}

.gorc-label {
    display: block;
    margin-bottom: var(--gorc-spacing-sm);
    font-weight: 600;
    color: var(--gorc-text);
    font-size: 0.95rem;
}

.gorc-required {
    color: var(--gorc-error);
    margin-left: 2px;
}

.gorc-input,
.gorc-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gorc-border);
    border-radius: var(--gorc-radius);
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--gorc-bg);
    color: var(--gorc-text);
    font-family: inherit;
}

.gorc-input:focus,
.gorc-select:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(16, 65, 62, 0.1);
}

.gorc-input:hover,
.gorc-select:hover {
    border-color: var(--gorc-border-dark);
}

.gorc-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.gorc-help-text {
    display: block;
    margin-top: var(--gorc-spacing-sm);
    font-size: 0.875rem;
    color: var(--gorc-text-light);
    font-style: italic;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.gorc-form-actions {
    display: flex;
    gap: var(--gorc-spacing);
    margin-top: var(--gorc-spacing-xl);
    flex-wrap: wrap;
}

.gorc-button {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--gorc-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: none;
    letter-spacing: 0.025em;
}

.gorc-button-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.gorc-button-primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gorc-button-primary:active {
    transform: translateY(0);
}

.gorc-button-secondary {
    background: var(--background-white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.gorc-button-secondary:hover {
    background: var(--background-light);
    transform: translateY(-2px);
}

/* ==========================================================================
   Results
   ========================================================================== */

.gorc-results {
    margin-top: var(--gorc-spacing-xl);
    padding: var(--gorc-spacing-xl);
    background: var(--background-white);
    border-radius: var(--gorc-radius-lg);
    border: 2px solid var(--primary-green);
}

.gorc-results-title {
    font-family: 'Playfair Display', serif;
    margin: 0 0 var(--gorc-spacing-xl) 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-green);
    text-align: center;
}

.gorc-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--gorc-spacing-lg);
    margin-bottom: var(--gorc-spacing-xl);
}

.gorc-result-card {
    background: var(--gorc-bg);
    padding: var(--gorc-spacing-lg);
    border-radius: var(--gorc-radius);
    box-shadow: var(--gorc-shadow);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--gorc-border);
}

.gorc-result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--gorc-shadow-md);
}

.gorc-result-icon {
    font-size: 2.5rem;
    margin-bottom: var(--gorc-spacing-sm);
}

.gorc-result-label {
    font-size: 0.875rem;
    color: var(--gorc-text-light);
    margin-bottom: var(--gorc-spacing-sm);
    font-weight: 500;
}

.gorc-result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

.gorc-result-subtitle {
    font-size: 0.875rem;
    color: var(--gorc-text-light);
    margin-top: var(--gorc-spacing-sm);
    font-weight: 500;
}

.gorc-result-extra {
    font-size: 0.875rem;
    color: var(--gorc-text-light);
    margin-top: var(--gorc-spacing-sm);
    font-weight: 400;
}

.gorc-result-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: white;
    border-color: var(--primary-green);
}

.gorc-result-primary .gorc-result-label,
.gorc-result-primary .gorc-result-value,
.gorc-result-primary .gorc-result-subtitle {
    color: white;
}

.gorc-result-time {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: var(--accent-green);
}

.gorc-result-environment {
    background: linear-gradient(135deg, var(--background-light-green) 0%, #bbf7d0 100%);
    border-color: var(--primary-green);
}

/* ==========================================================================
   Breakdown Section
   ========================================================================== */

.gorc-breakdown-section {
    margin-top: var(--gorc-spacing-xl);
    padding: var(--gorc-spacing-lg);
    background: var(--gorc-bg);
    border-radius: var(--gorc-radius);
    border: 1px solid var(--gorc-border);
}

.gorc-breakdown-title {
    margin: 0 0 var(--gorc-spacing-lg) 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gorc-text);
}

.gorc-breakdown-list {
    display: flex;
    flex-direction: column;
    gap: var(--gorc-spacing);
}

.gorc-breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--gorc-spacing-sm) 0;
    border-bottom: 1px solid var(--gorc-border);
}

.gorc-breakdown-item:last-child {
    border-bottom: none;
}

.gorc-breakdown-total {
    border-top: 2px solid var(--gorc-border);
    border-bottom: 2px solid var(--gorc-border);
    padding-top: var(--gorc-spacing);
    padding-bottom: var(--gorc-spacing);
    margin-top: var(--gorc-spacing-sm);
    font-weight: 600;
}

.gorc-breakdown-net {
    border-top: 2px solid var(--gorc-success);
    border-bottom: none;
    padding-top: var(--gorc-spacing);
    margin-top: var(--gorc-spacing-sm);
    font-weight: 700;
    font-size: 1.1rem;
}

.gorc-breakdown-net .gorc-breakdown-value {
    color: var(--gorc-success);
    font-size: 1.2rem;
}

.gorc-breakdown-label {
    color: var(--gorc-text);
    font-weight: 500;
}

.gorc-breakdown-value {
    color: var(--gorc-text);
    font-weight: 600;
}

/* ==========================================================================
   Long-Term Benefits Section
   ========================================================================== */

.gorc-longterm-section {
    margin-top: var(--gorc-spacing-xl);
    padding: var(--gorc-spacing-lg);
    background: var(--gorc-bg);
    border-radius: var(--gorc-radius);
    border: 1px solid var(--gorc-border);
}

.gorc-longterm-title {
    margin: 0 0 var(--gorc-spacing-lg) 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gorc-text);
}

.gorc-longterm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gorc-spacing-lg);
}

.gorc-longterm-card {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    padding: var(--gorc-spacing-lg);
    border-radius: var(--gorc-radius);
    border: 2px solid #a855f7;
    text-align: center;
}

.gorc-longterm-label {
    font-size: 0.95rem;
    color: var(--gorc-text-light);
    margin-bottom: var(--gorc-spacing-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gorc-longterm-value {
    font-size: 2rem;
    font-weight: 700;
    color: #7c3aed;
    margin-bottom: var(--gorc-spacing-sm);
}

.gorc-longterm-subtitle {
    font-size: 0.875rem;
    color: var(--gorc-text-light);
    margin-bottom: var(--gorc-spacing-sm);
}

.gorc-longterm-extra {
    font-size: 0.875rem;
    color: var(--gorc-text);
    font-weight: 500;
}

/* ==========================================================================
   Additional Benefits Section
   ========================================================================== */

.gorc-benefits-section {
    margin-top: var(--gorc-spacing-xl);
    padding: var(--gorc-spacing-lg);
    background: var(--gorc-bg);
    border-radius: var(--gorc-radius);
    border: 1px solid var(--gorc-border);
}

.gorc-benefits-title {
    margin: 0 0 var(--gorc-spacing-lg) 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gorc-text);
}

.gorc-benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gorc-spacing-sm);
}

.gorc-benefits-list li {
    padding: var(--gorc-spacing-sm) 0;
    color: var(--gorc-text);
    font-size: 0.95rem;
}

/* ==========================================================================
   Summary Section
   ========================================================================== */

.gorc-summary-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gorc-spacing-lg);
    margin-top: var(--gorc-spacing-xl);
}

.gorc-summary-card {
    background: var(--gorc-bg);
    padding: var(--gorc-spacing-lg);
    border-radius: var(--gorc-radius);
    box-shadow: var(--gorc-shadow);
    border: 2px solid var(--gorc-border);
    text-align: center;
}

.gorc-summary-primary {
    background: linear-gradient(135deg, var(--gorc-primary) 0%, var(--gorc-primary-dark) 100%);
    color: white;
    border-color: var(--gorc-primary);
}

.gorc-summary-primary .gorc-summary-label,
.gorc-summary-primary .gorc-summary-value {
    color: white;
}

.gorc-summary-highlight {
    border-color: var(--gorc-success);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.gorc-summary-label {
    font-size: 0.95rem;
    color: var(--gorc-text-light);
    margin-bottom: var(--gorc-spacing-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gorc-summary-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
}

.gorc-summary-highlight .gorc-summary-value {
    color: var(--primary-green);
}

.gorc-summary-value.positive {
    color: var(--primary-green);
}

.gorc-summary-value.negative {
    color: var(--error-color);
}

.gorc-summary-value.neutral {
    color: var(--warning-color);
}

/* ==========================================================================
   Disclaimer
   ========================================================================== */

.gorc-disclaimer {
    margin-top: var(--gorc-spacing-xl);
    padding: var(--gorc-spacing-lg);
    background: var(--warning-bg);
    border-left: 4px solid var(--warning-color);
    border-radius: var(--gorc-radius);
    font-size: 0.875rem;
    color: #78350f;
}

.gorc-disclaimer p {
    margin: 0;
}

.gorc-disclaimer strong {
    color: #92400e;
}

/* ==========================================================================
   Error Messages
   ========================================================================== */

.gorc-error-message {
    padding: var(--gorc-spacing);
    background: var(--error-bg);
    border: 1px solid var(--error-color);
    border-radius: var(--gorc-radius);
    color: #991b1b;
    margin-bottom: var(--gorc-spacing-lg);
    font-weight: 500;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .header {
        padding: 1.5rem 0;
    }

    .header-logo {
        width: 50px;
    }

    .header-button {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }

    .gorc-calculator-container {
        padding: 1.5rem;
    }

    .gorc-calculator-title {
        font-size: 2rem;
    }

    .gorc-calculator-subtitle {
        font-size: 1rem;
    }

    .gorc-calculator-content {
        padding: 0;
    }

    .gorc-section {
        padding: var(--gorc-spacing);
    }

    .gorc-form-row {
        grid-template-columns: 1fr;
        gap: var(--gorc-spacing);
    }

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

    .gorc-summary-section {
        grid-template-columns: 1fr;
    }

    .gorc-form-actions {
        flex-direction: column;
    }

    .gorc-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header {
        padding: 1.25rem 0;
    }

    .header-container {
        padding: 0 15px;
    }

    .header-logo {
        width: 45px;
    }

    .gorc-calculator-container {
        padding: 1.25rem;
    }

    .gorc-calculator-title {
        font-size: 1.75rem;
    }

    .gorc-section-title {
        font-size: 1.25rem;
    }

    .gorc-summary-value {
        font-size: 1.5rem;
    }

    .gorc-result-value {
        font-size: 1.25rem;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.gorc-input:focus-visible,
.gorc-select:focus-visible,
.gorc-button:focus-visible {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    width: 100%;
    background: var(--background-grey);
    text-align: center;
    padding: 2rem 0;
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-top: 2rem;
}

.footer > p {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gorc-border: #000000;
        --gorc-text: #000000;
    }

    .gorc-result-card,
    .gorc-summary-card {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}