/* ========================================
   WEBSITE KOSTEN CALCULATOR — STYLES
   WebWits.nl Interactive Tool
   ======================================== */

/* --- Calculator Variables --- */
:root {
    --calc-bg: linear-gradient(135deg, #0f0b1e 0%, #1a1145 50%, #0d1b2a 100%);
    --calc-card-bg: rgba(255, 255, 255, 0.06);
    --calc-card-border: rgba(255, 255, 255, 0.1);
    --calc-card-hover: rgba(99, 102, 241, 0.15);
    --calc-card-selected-bg: rgba(99, 102, 241, 0.2);
    --calc-card-selected-border: #6366f1;
    --calc-accent: #6366f1;
    --calc-accent-light: #818cf8;
    --calc-accent-glow: rgba(99, 102, 241, 0.4);
    --calc-success: #10b981;
    --calc-warning: #f59e0b;
    --calc-text: #ffffff;
    --calc-text-secondary: rgba(255, 255, 255, 0.7);
    --calc-text-muted: rgba(255, 255, 255, 0.45);
    --calc-radius: 1.25rem;
    --calc-radius-sm: 0.75rem;
    --calc-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Hero Section --- */
.calc-hero {
    background: var(--calc-bg);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calc-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.calc-hero .container {
    position: relative;
    z-index: 1;
}

.calc-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 2rem;
    color: var(--calc-accent-light);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.calc-hero-tag i {
    font-size: 0.75rem;
}

.calc-hero h1 {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--calc-text);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.calc-hero h1 span {
    background: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calc-hero > .container > p {
    color: var(--calc-text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.calc-hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.calc-hero-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--calc-text-muted);
    font-size: 0.875rem;
}

.calc-hero-stat i {
    color: var(--calc-success);
    font-size: 0.75rem;
}

/* --- Calculator Section --- */
.calc-section {
    background: var(--calc-bg);
    padding: 0 0 6rem;
    position: relative;
}

.calculator {
    max-width: 820px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--calc-card-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: relative;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* --- Progress Bar --- */
.calc-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.calc-progress-track {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.calc-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--calc-accent), var(--calc-accent-light));
    border-radius: 3px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 20%;
    box-shadow: 0 0 10px var(--calc-accent-glow);
}

.calc-step-indicator {
    color: var(--calc-text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
}

.calc-step-indicator span {
    color: var(--calc-accent-light);
    font-weight: 700;
}

/* --- Live Price Floating --- */
.calc-live-price {
    position: sticky;
    top: 80px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: rgba(15, 11, 30, 0.9);
    border: 1px solid var(--calc-card-border);
    border-radius: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-bottom: 2rem;
    transition: var(--calc-transition);
}

.calc-live-price.updated {
    border-color: var(--calc-accent);
    box-shadow: 0 0 20px var(--calc-accent-glow);
}

.calc-live-label {
    color: var(--calc-text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
}

.calc-live-amount {
    color: var(--calc-text);
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 1.375rem;
    font-weight: 700;
}

/* --- Steps Container --- */
.calc-step {
    display: none;
    animation: calcFadeIn 0.4s ease;
}

.calc-step.active {
    display: block;
}

@keyframes calcFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.calc-step > h2 {
    color: var(--calc-text);
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.calc-step > p {
    color: var(--calc-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 2rem;
}

/* --- Option Cards (for type, pages, design, timeline) --- */
.calc-options {
    display: grid;
    gap: 1rem;
}

.calc-options-3 {
    grid-template-columns: repeat(3, 1fr);
}

.calc-options-4 {
    grid-template-columns: repeat(2, 1fr);
}

.calc-options-5 {
    grid-template-columns: repeat(3, 1fr);
}

.calc-option {
    background: var(--calc-card-bg);
    border: 2px solid var(--calc-card-border);
    border-radius: var(--calc-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--calc-transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calc-option::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), transparent);
    opacity: 0;
    transition: var(--calc-transition);
}

.calc-option:hover {
    border-color: rgba(99, 102, 241, 0.4);
    background: var(--calc-card-hover);
    transform: translateY(-2px);
}

.calc-option:hover::before {
    opacity: 1;
}

.calc-option.selected {
    border-color: var(--calc-card-selected-border);
    background: var(--calc-card-selected-bg);
    box-shadow: 0 0 25px var(--calc-accent-glow), inset 0 0 20px rgba(99, 102, 241, 0.1);
}

.calc-option.selected::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--calc-accent);
    color: white;
    border-radius: 50%;
    font-size: 0.625rem;
}

.calc-option-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 0.75rem;
    margin: 0 auto 1rem;
    font-size: 1.25rem;
    color: var(--calc-accent-light);
    transition: var(--calc-transition);
}

.calc-option.selected .calc-option-icon {
    background: var(--calc-accent);
    color: white;
}

.calc-option h3 {
    color: var(--calc-text);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.calc-option .calc-option-desc {
    color: var(--calc-text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.calc-option-price {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--calc-success);
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.calc-option-surcharge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(245, 158, 11, 0.15);
    color: var(--calc-warning);
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.calc-option-time {
    color: var(--calc-text-secondary);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

/* --- Feature Toggles (Step 4) --- */
.calc-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.calc-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--calc-card-bg);
    border: 2px solid var(--calc-card-border);
    border-radius: var(--calc-radius-sm);
    cursor: pointer;
    transition: var(--calc-transition);
    user-select: none;
}

.calc-feature:hover {
    border-color: rgba(99, 102, 241, 0.3);
    background: var(--calc-card-hover);
}

.calc-feature.active {
    border-color: var(--calc-accent);
    background: var(--calc-card-selected-bg);
}

.calc-feature-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.12);
    border-radius: 0.5rem;
    color: var(--calc-accent-light);
    font-size: 0.875rem;
    flex-shrink: 0;
    transition: var(--calc-transition);
}

.calc-feature.active .calc-feature-icon {
    background: var(--calc-accent);
    color: white;
}

.calc-feature-info {
    flex: 1;
    min-width: 0;
}

.calc-feature-name {
    color: var(--calc-text);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
}

.calc-feature-price {
    color: var(--calc-text-muted);
    font-size: 0.75rem;
}

.calc-feature-toggle {
    width: 2.75rem;
    height: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    position: relative;
    flex-shrink: 0;
    transition: var(--calc-transition);
}

.calc-feature-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 1.125rem;
    height: 1.125rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: var(--calc-transition);
}

.calc-feature.active .calc-feature-toggle {
    background: var(--calc-accent);
}

.calc-feature.active .calc-feature-toggle::after {
    transform: translateX(1.25rem);
    background: white;
}

/* --- Navigation Buttons --- */
.calc-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--calc-card-border);
}

.calc-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--calc-transition);
}

.calc-btn-prev {
    background: rgba(255, 255, 255, 0.08);
    color: var(--calc-text-secondary);
    border: 1px solid var(--calc-card-border);
}

.calc-btn-prev:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--calc-text);
}

.calc-btn-prev.hidden {
    visibility: hidden;
    pointer-events: none;
}

.calc-btn-next {
    background: linear-gradient(135deg, var(--calc-accent), #7c3aed);
    color: white;
    box-shadow: 0 4px 15px var(--calc-accent-glow);
}

.calc-btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--calc-accent-glow);
}

.calc-btn-next:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* --- Results Section --- */
.calc-results {
    text-align: center;
}

.calc-results-price {
    margin-bottom: 2.5rem;
}

.calc-results-label {
    color: var(--calc-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.calc-results-amount {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: clamp(3rem, 8vw, 4.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.calc-results-range {
    color: var(--calc-text-secondary);
    font-size: 0.9375rem;
    margin-top: 0.5rem;
}

.calc-results-savings {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 2rem;
    color: var(--calc-success);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 1rem;
}

/* Breakdown Table */
.calc-breakdown {
    text-align: left;
    margin: 2.5rem 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--calc-card-border);
    border-radius: var(--calc-radius);
    overflow: hidden;
}

.calc-breakdown-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--calc-card-border);
    color: var(--calc-text);
    font-weight: 600;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-breakdown-header i {
    color: var(--calc-accent-light);
}

.calc-breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--calc-text-secondary);
    font-size: 0.875rem;
}

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

.calc-breakdown-item .label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-breakdown-item .label i {
    color: var(--calc-accent-light);
    font-size: 0.75rem;
    width: 1rem;
    text-align: center;
}

.calc-breakdown-item .amount {
    color: var(--calc-text);
    font-weight: 600;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
}

.calc-breakdown-total {
    background: rgba(99, 102, 241, 0.1);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: var(--calc-text);
}

.calc-breakdown-total .amount {
    font-size: 1.25rem;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    color: var(--calc-accent-light);
}

/* Results Actions */
.calc-results-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.calc-results-actions .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.calc-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--calc-card-border);
    border-radius: 0.75rem;
    color: var(--calc-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--calc-transition);
}

.calc-share-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--calc-text);
}

.calc-share-copied {
    color: var(--calc-success) !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
}

/* Results note */
.calc-results-note {
    color: var(--calc-text-muted);
    font-size: 0.8125rem;
    margin-top: 2rem;
    line-height: 1.6;
}

/* --- Educational / Info Section --- */
.calc-info-section {
    padding: 5rem 0;
    background: var(--bg-primary, #ffffff);
}

.calc-info-section h2 {
    text-align: center;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary, #1f2937);
}

.calc-info-section > .container > p {
    text-align: center;
    color: var(--text-secondary, #6b7280);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1rem;
    line-height: 1.7;
}

.calc-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.calc-info-card {
    background: var(--bg-secondary, #f9fafb);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--gray-200, #e5e7eb);
    transition: var(--calc-transition);
}

.calc-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.calc-info-card-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    color: var(--calc-accent);
    font-size: 1.25rem;
}

.calc-info-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary, #1f2937);
}

.calc-info-card p {
    color: var(--text-secondary, #6b7280);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- FAQ Section --- */
.calc-faq-section {
    padding: 5rem 0;
    background: var(--bg-secondary, #f9fafb);
}

.calc-faq-section h2 {
    text-align: center;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary, #1f2937);
}

.calc-faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.calc-faq-item {
    background: white;
    border: 1px solid var(--gray-200, #e5e7eb);
    border-radius: var(--calc-radius-sm);
    overflow: hidden;
    transition: var(--calc-transition);
}

.calc-faq-item:hover {
    border-color: var(--calc-accent);
}

.calc-faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 1rem;
}

.calc-faq-question span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    line-height: 1.4;
}

.calc-faq-question i {
    color: var(--calc-accent);
    font-size: 0.875rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.calc-faq-item.open .calc-faq-question i {
    transform: rotate(180deg);
}

.calc-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.calc-faq-answer p {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary, #6b7280);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.calc-faq-item.open .calc-faq-answer {
    max-height: 400px;
}

/* --- CTA Section --- */
.calc-cta-section {
    padding: 5rem 0;
    background: var(--calc-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calc-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
    pointer-events: none;
}

.calc-cta-section .container {
    position: relative;
    z-index: 1;
}

.calc-cta-section h2 {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--calc-text);
    margin-bottom: 1rem;
}

.calc-cta-section p {
    color: var(--calc-text-secondary);
    font-size: 1.0625rem;
    max-width: 550px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.calc-cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.calc-cta-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 0.75rem;
}

.calc-cta-buttons .btn-primary {
    background: linear-gradient(135deg, var(--calc-accent), #7c3aed);
    box-shadow: 0 4px 15px var(--calc-accent-glow);
}

.calc-cta-buttons .btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--calc-text);
    background: transparent;
}

.calc-cta-buttons .btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
}

/* --- Breadcrumb --- */
.calc-breadcrumb {
    padding: 1rem 0;
    background: rgba(15, 11, 30, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.calc-breadcrumb ol {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.8125rem;
}

.calc-breadcrumb a {
    color: var(--calc-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.calc-breadcrumb a:hover {
    color: var(--calc-accent-light);
}

.calc-breadcrumb .separator {
    color: var(--calc-text-muted);
    font-size: 0.625rem;
}

.calc-breadcrumb .current {
    color: var(--calc-text-secondary);
}

/* --- Animations --- */
@keyframes calcPulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--calc-accent-glow); }
    50% { box-shadow: 0 0 0 8px transparent; }
}

@keyframes calcCountUp {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.calc-results-amount.animate {
    animation: calcCountUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.calc-feature-hint {
    color: var(--calc-text-muted);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
    font-style: italic;
}

/* --- Responsive --- */

/* Tablet */
@media (max-width: 992px) {
    .calc-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .calc-hero {
        padding: 6rem 0 3rem;
    }

    .calculator {
        padding: 1.5rem;
        border-radius: 1rem;
    }

    .calc-options-3,
    .calc-options-5 {
        grid-template-columns: repeat(2, 1fr);
    }

    .calc-features-grid {
        grid-template-columns: 1fr;
    }

    .calc-option {
        padding: 1.25rem 1rem;
    }

    .calc-option-icon {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .calc-option h3 {
        font-size: 0.9375rem;
    }

    .calc-option .calc-option-desc {
        font-size: 0.75rem;
    }

    .calc-nav {
        gap: 0.75rem;
    }

    .calc-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }

    .calc-results-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .calc-info-grid {
        grid-template-columns: 1fr;
    }

    .calc-cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .calc-hero-stats {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .calc-hero {
        padding: 5rem 0 2rem;
    }

    .calc-hero h1 {
        font-size: 1.75rem;
    }

    .calculator {
        padding: 1.25rem;
    }

    .calc-options-3,
    .calc-options-4,
    .calc-options-5 {
        grid-template-columns: 1fr;
    }

    .calc-live-price {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.625rem 1rem;
    }

    .calc-live-label {
        font-size: 0.75rem;
    }

    .calc-live-amount {
        font-size: 1.125rem;
    }

    .calc-results-amount {
        font-size: 2.5rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .calc-step,
    .calc-option,
    .calc-feature,
    .calc-progress-bar,
    .calc-info-card {
        transition: none;
        animation: none;
    }

    .calc-step.active {
        animation: none;
    }
}