/* ===================================================================
   FORMS & INTERACTIVE COMPONENTS
   Contact form, calculator, modals, animations
   =================================================================== */

/* ===================================================================
   CONTACT FORM
   =================================================================== */

.contact-form-container {
     margin: var(--spacing-4xl) 0;
     width: 100%;
     border-radius: var(--radius-lg);
}

.contact-form {
     display: flex;
     flex-direction: column;
}

.form-group {
     display: flex;
     flex-direction: column;
     gap: var(--spacing-md);
     position: relative;
     margin-block: var(--spacing-lg);
     min-width: var(--form-min-width);
     max-width: 80vw;
}

@media (max-width: 1023px) {
     .form-group {
          min-width: 0;
          max-width: 100%;
          width: 100%;
     }
}

.form-label {
     font-family: var(--font-heading);
     font-size: var(--font-size-lg);
     font-weight: var(--font-weight-bold);
     text-transform: uppercase;
     letter-spacing: 1.5px;
     color: var(--color-text-dark);
     margin-bottom: var(--spacing-md);
     transition: color var(--motion-fast) var(--motion-ease);
}

.form-input,
.form-textarea {
     font-family: var(--font-body);
     font-size: var(--font-size-sm);
     padding: var(--form-input-padding);
     border: 1px solid var(--color-border-input);
     border-radius: var(--radius-lg);
     background-color: var(--color-bg-input);
     color: var(--color-text-medium);
     transition: all var(--motion-fast) var(--motion-ease);
     box-shadow: inset 0 1px 2px var(--color-shadow-inset);
}

.form-input:hover,
.form-textarea:hover {
     background-color: var(--color-white);
     border-color: var(--color-border-input-hover);
}

.form-input:focus,
.form-textarea:focus {
     outline: 2px solid var(--color-brand-blue);
     outline-offset: 2px;
     background-color: var(--color-white);
     border-color: var(--color-brand-blue);
     box-shadow: 0 0 0 4px var(--color-focus-ring);
}

/* Enhancing label on focus */
.form-group:focus-within .form-label {
     color: var(--color-brand-blue);
}

.form-textarea {
     resize: vertical;
     min-height: var(--form-textarea-min-height);
     line-height: var(--line-height-body);
}

.form-actions {
     margin-top: var(--spacing-2xl);
     display: flex;
     flex-direction: column;
     align-items: flex-start;
     gap: var(--spacing-sm);
}

/* Submit button styling */
.form-actions .btn {
     background-color: var(--color-text-dark);
     color: var(--color-white);
     border: none;
     border-radius: var(--radius-lg);
     padding: var(--spacing-lg) var(--spacing-4xl);
     font-size: var(--font-size-sm);
     font-weight: var(--font-weight-semibold);
     letter-spacing: var(--letter-spacing-normal);
     box-shadow: var(--shadow-2);
     transition: all var(--motion-fast) var(--motion-ease);
     text-transform: uppercase;
}

.form-actions .btn:hover,
.form-actions .btn:focus {
     background-color: var(--color-brand-blue);
     transform: translateY(var(--lift-sm));
     box-shadow: var(--shadow-3);
}

.form-actions .btn:active {
     transform: translateY(0);
     box-shadow: var(--shadow-1);
}

@media (max-width: 1023px) {
     .form-actions {
          gap: var(--spacing-lg);
          width: 100%;
          max-width: 100%;
     }

     .form-actions.spaced {
          flex-direction: column;
          gap: var(--spacing-lg);
     }

     .contact-form-container {
          margin: var(--spacing-4xl) 0;
          padding: 0;
     }

     .form-label {
          font-size: var(--font-size-mobile-base);
          margin-bottom: var(--spacing-md);
     }

     .form-input,
     .form-textarea {
          font-size: var(--font-size-mobile-sm);
          padding: var(--form-input-padding-mobile);
          border-radius: var(--radius-xl);
     }
     
     .form-actions .btn {
          font-size: var(--font-size-mobile-sm);
          padding: var(--spacing-lg) var(--spacing-xl);
          width: 100%;
          max-width: 100%;
          box-sizing: border-box;
     }
}

/* Form Animations */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(var(--anim-offset));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-form .form-group {
    opacity: 0;
    animation: slideUpFade var(--motion-slow) var(--motion-ease) forwards;
}

.contact-form .form-group:nth-child(1) { animation-delay: var(--anim-stagger-1); }
.contact-form .form-group:nth-child(2) { animation-delay: var(--anim-stagger-3); }
.contact-form .form-group:nth-child(3) { animation-delay: var(--anim-stagger-5); }

.contact-form .form-actions {
    opacity: 0;
    animation: slideUpFade var(--motion-slow) var(--motion-ease) forwards;
    animation-delay: var(--anim-stagger-7);
}

/* ===================================================================
   FORM VALIDATION STATES (Accessibility)
   =================================================================== */

.form-error {
    display: block;
    color: var(--color-error, #a11212);
    font-size: var(--font-size-sm);
    font-family: var(--font-body);
    margin-top: var(--spacing-sm);
    min-height: 1.25em;
}

.form-error:empty {
    display: none;
}

.form-hint {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-family: var(--font-body);
    margin-top: var(--spacing-sm);
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
    border-color: var(--color-error, #a11212);
    box-shadow: 0 0 0 2px rgba(161, 18, 18, 0.2);
}

.form-input[aria-invalid="true"]:focus,
.form-textarea[aria-invalid="true"]:focus {
    border-color: var(--color-error, #a11212);
    box-shadow: 0 0 0 4px rgba(161, 18, 18, 0.15);
}

.form-group:has([aria-invalid="true"]) .form-label {
    color: var(--color-error, #a11212);
}

/* Success state */
.form-input[aria-invalid="false"],
.form-textarea[aria-invalid="false"] {
    border-color: var(--color-success);
}

/* Native validation state (min/max/required) */
.form-input:invalid {
    border: 2px solid var(--color-error, #a11212);
    box-shadow: 0 0 0 4px rgba(161, 18, 18, 0.3);
    background-color: rgba(161, 18, 18, 0.05);
}

.form-input:invalid:focus {
    border: 2px solid var(--color-error, #a11212);
    box-shadow: 0 0 0 6px rgba(161, 18, 18, 0.25);
    background-color: rgba(161, 18, 18, 0.05);
}

/* ===================================================================
   CALCULATOR COMPONENT
   =================================================================== */

cascade-calculator {
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     margin: 0;
     width: 100%;
     --primary: var(--color-text-dark);
     --primary-dark: var(--color-brand-blue);
     --secondary: var(--color-text-muted);
     --light: var(--color-bg-light);
     --success: var(--color-success);
     --text: var(--color-text-dark);
}

/* Calculator Step 1 Specific Styling */
.step-content[data-step="1"] {
    max-width: var(--form-min-width);
    margin: 0 auto;
}

@media (max-width: 1023px) {
    .step-content[data-step="1"] {
        max-width: 100%;
        width: 100%;
    }
}

.step-content[data-step="1"] .form-group {
    margin-block: var(--spacing-2xl);
}

cascade-calculator .form-input[type="number"],
cascade-calculator .form-input[type="text"][inputmode="numeric"] {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-heading);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: var(--color-white);
    border: 2px solid var(--color-border-input);
    border-radius: var(--radius-lg);
    transition: all var(--motion-fast) var(--motion-ease);
}

cascade-calculator .form-input[type="number"]:hover,
cascade-calculator .form-input[type="text"][inputmode="numeric"]:hover {
    border-color: var(--brand-400);
    box-shadow: 0 4px 12px rgba(0, 105, 180, 0.08);
}

cascade-calculator .form-input[type="number"]:focus,
cascade-calculator .form-input[type="text"][inputmode="numeric"]:focus {
    border-color: var(--color-brand-blue);
    box-shadow: 0 0 0 4px var(--color-focus-ring), 0 4px 16px rgba(0, 105, 180, 0.12);
    outline: none;
}

cascade-calculator .form-label {
    text-align: center;
}

@media (max-width: 1023px) {
    cascade-calculator .form-input[type="number"],
    cascade-calculator .form-input[type="text"][inputmode="numeric"] {
        font-size: var(--font-size-xl);
        padding: var(--spacing-lg) var(--spacing-xl);
    }
}

@media (max-width: 1023px) {
    cascade-calculator {
        width: 100%;
    }
}

cascade-calculator .card-body {
    padding-inline: var(--spacing-4xl);
    min-height: var(--hero-min-height);
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
}

@media (max-width: 1023px) {
     cascade-calculator .card-body {
          padding: 0;
     }
}

/* Rate Too High Message */
cascade-calculator .rate-too-high-message {
    background: var(--light);
    border-left: 4px solid var(--cascade-green);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

cascade-calculator .rate-too-high-message p {
    margin: 0 0 var(--spacing-sm) 0;
}

cascade-calculator .rate-too-high-message p:last-child {
    margin-bottom: 0;
}

cascade-calculator .rate-too-high-message a {
    color: var(--cascade-blue);
    font-weight: 600;
}

/* Results Styling */
cascade-calculator .comparison-summary {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-4xl);
    width: 100%;
}

cascade-calculator .stat-box {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--light);
    border-radius: var(--radius-lg);
    flex: 1;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center;
    gap: var(--spacing-xs);
    transition: transform var(--motion-fast) var(--motion-ease),
                box-shadow var(--motion-fast) var(--motion-ease);
}

cascade-calculator .stat-box .label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-sm);
}

cascade-calculator .stat-box .sub {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    margin-top: var(--spacing-sm);
}

@media (max-width: 1023px) {
     cascade-calculator .stat-box {
          width: 100%;
     }
}

cascade-calculator .stat-box.bad {
    background: var(--gray-100);
    border: 2px solid var(--gray-300);
    color: var(--color-text-secondary);
}

cascade-calculator .stat-box.bad .label {
    color: var(--color-text-muted);
}

cascade-calculator .stat-box.bad .percentage,
cascade-calculator .stat-box.bad .value {
    color: var(--gray-600);
}

cascade-calculator .stat-box.good {
    background: var(--color-success-bg);
    border: 2px solid var(--color-success);
    color: var(--color-success-dark);
    box-shadow: 0 4px 20px rgba(26, 122, 40, 0.15);
}

cascade-calculator .stat-box.good .percentage,
cascade-calculator .stat-box.good .value {
    color: var(--color-success-dark);
}

cascade-calculator .icon-arrow {
    font-size: var(--font-size-3xl);
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
    opacity: 0.8;
}

cascade-calculator .stat-box span {
    font-family: var(--font-heading);
    text-align: center;
}

cascade-calculator .projection-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-lg);
    margin-block: var(--spacing-xl);
    font-family: var(--font-heading);
}

@media (max-width: 1023px) {
     cascade-calculator .projection-table {
          font-size: var(--font-size-xs);
     }
     
     cascade-calculator .projection-table th,
     cascade-calculator .projection-table td {
          padding: var(--spacing-sm) var(--spacing-xs);
          white-space: nowrap;
     }
     
     cascade-calculator .projection-table .gain {
          padding: var(--spacing-xs);
     }
}

cascade-calculator .projection-table th {
    padding: var(--spacing-xl) var(--spacing-md);
    border-bottom: 2px solid var(--color-border-faint);
    color: var(--color-text-table-header);
}

cascade-calculator .projection-table td {
    padding: var(--spacing-xl) var(--spacing-md);
    border-bottom: 1px solid var(--color-bg-light);
}

cascade-calculator .projection-table .highlight {
    color: var(--primary);
    font-weight: 700;
}

cascade-calculator .projection-table .gain {
    color: var(--color-success-dark);
    font-weight: var(--font-weight-bold);
    background: var(--color-success-bg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
}

cascade-calculator .total-gain-banner {
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-block: var(--spacing-2xl);
    font-size: var(--font-size-xl);
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--color-success-bg) 0%, rgba(26, 122, 40, 0.18) 100%);
    border: 2px solid var(--color-success);
    color: var(--color-success-dark);
    box-shadow: 0 4px 24px rgba(26, 122, 40, 0.12);
}

cascade-calculator .total-gain-banner strong {
    font-size: var(--font-size-2xl);
    display: inline-block;
    margin-left: var(--spacing-xs);
}

@media (max-width: 1023px) {
     cascade-calculator .total-gain-banner {
          font-size: var(--font-size-mobile-lg);
     }
}

/* Animation */
cascade-calculator span {
     font-family: var(--font-body);
     letter-spacing: var(--letter-spacing-tight);
     font-size: var(--font-size-lg);
     text-align: left;
     line-height: var(--line-height-relaxed);
     margin-block: var(--font-size-xl);
}

@media (max-width: 1023px) {
    cascade-calculator .comparison-summary { flex-direction: column; gap: var(--spacing-lg); }
    cascade-calculator .icon-arrow { font-size: var(--font-size-2xl); }
    cascade-calculator span { font-size: var(--font-size-mobile-base); }
    cascade-calculator .total-gain-banner strong { font-size: var(--font-size-xl); display: block; margin-top: var(--spacing-sm); margin-left: 0; }
}

.hint {
     font-size: var(--font-size-xs);
     margin-top: var(--spacing-sm);
     font-weight: var(--font-weight-black);
     font-family: var(--font-heading);
     text-align: center;
     color: var(--primary);
     display: block;
}

@media (max-width: 1023px) {
     .hint {
          font-size: var(--font-size-mobile-sm);
     }
}

/* Calculator stat box display values */
cascade-calculator .stat-box .percentage {
     font-family: var(--font-heading);
     font-size: var(--font-size-3xl);
     font-weight: var(--font-weight-bold);
     line-height: 1;
     display: block;
     margin: 0;
}

cascade-calculator .stat-box .value {
     font-family: var(--font-heading);
     font-size: var(--font-size-display);
     font-weight: var(--font-weight-bold);
     line-height: 1;
     display: block;
     margin: var(--spacing-sm) 0;
}

@media (max-width: 1023px) {
     cascade-calculator .stat-box .percentage {
          font-size: var(--font-size-mobile-display);
     }
     
     cascade-calculator .stat-box .value {
          font-size: var(--font-size-mobile-xl);
     }
}

.percentage::after {
     content: "%";
}

.step-content {
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     width: 100%;
}

.step-content[data-step="2"] .comparison-summary {
    animation: resultsFadeIn var(--motion-medium) var(--motion-ease) forwards;
}

.step-content[data-step="2"] .stat-box {
    animation: resultsFadeIn var(--motion-medium) var(--motion-ease) forwards;
}

.step-content[data-step="2"] .stat-box.bad {
    animation-delay: 100ms;
}

.step-content[data-step="2"] .icon-arrow {
    animation: resultsFadeIn var(--motion-medium) var(--motion-ease) forwards;
    animation-delay: 200ms;
    opacity: 0;
}

@media (max-width: 1023px) {
    .step-content[data-step="2"] .icon-arrow {
        animation: none;
        opacity: 1;
        transform: rotate(90deg);
    }
}

.step-content[data-step="2"] .stat-box.good {
    animation-delay: 300ms;
}

.step-content[data-step="2"] .stat-box .value,
.step-content[data-step="2"] .stat-box .percentage {
    animation: countPop var(--motion-medium) cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 400ms;
    opacity: 0;
}

.step-content[data-step="2"] .projection-table-container {
    animation: resultsFadeIn var(--motion-medium) var(--motion-ease) forwards;
    animation-delay: 500ms;
    opacity: 0;
}

.step-content[data-step="2"] .total-gain-banner {
    animation: resultsFadeIn var(--motion-medium) var(--motion-ease) forwards;
    animation-delay: 600ms;
    opacity: 0;
}

.projection-table-container {
     width: 100%;
}

@media (max-width: 1023px) {
    .projection-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

.w100 {
     width: 100%;
}

.form-actions.spaced {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 767px) {
    .form-actions.spaced {
        flex-direction: column-reverse;
        gap: var(--spacing-lg);
    }

    .form-actions.spaced .btn {
        width: 100%;
    }
}

/* Calculator: Next steps */
.next-steps-container {
    text-align: left;
    margin: var(--spacing-3xl) auto;
    max-width: var(--form-min-width);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-xl); 
    margin-bottom: var(--spacing-2xl); 
    align-items: flex-start;
}

.timeline-badge {
    background: var(--primary);
    color: var(--color-white);
    width: var(--spacing-3xl);
    height: var(--spacing-3xl);
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    font-size: var(--font-size-md);
}

.timeline-content {
    font-size: var(--font-size-md);
    line-height: var(--line-height-normal);
    padding-top: var(--spacing-xs);
}

.contact-phone-link {
    font-size: var(--font-size-xl);
    color: var(--primary);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    display: block;
}

/* Calculator: Select styling */
.select-auto-height {
    height: auto;
    padding-right: var(--spacing-2xl);
}

.hidden-initially {
    display: none;
}

.btn-disabled-initial {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===================================================================
   MODAL STYLES
   =================================================================== */

#calc-modal {
    padding: 0;
    border: none;
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    box-shadow: var(--shadow-modal);
}

#calc-modal[open] {
    display: flex;
    flex-direction: column;
}

#calc-modal::backdrop {
    background-color: var(--color-overlay);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--color-bg-light);
    padding: var(--spacing-2xl);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    flex: 1;
    min-height: 0;
    gap: var(--spacing-xl);
}

.modal-content > .btn {
    flex-shrink: 0;
    background-color: var(--color-text-dark);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-4xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-normal);
    box-shadow: var(--shadow-2);
    transition: all var(--motion-fast) var(--motion-ease);
    text-transform: uppercase;
}

.modal-content > .btn:hover,
.modal-content > .btn:focus {
    background-color: var(--color-brand-blue);
    transform: translateY(var(--lift-sm));
    box-shadow: var(--shadow-3);
}

.modal-content > .btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-1);
}

.modal-body {
    overflow-y: auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4xl);
    width: 100%;
    flex: 1;
    min-height: 0;
}

.modal-body::-webkit-scrollbar {
    width: var(--spacing-md);
}

.modal-body::-webkit-scrollbar-track {
    background: var(--color-bg-scrollbar);
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--color-text-dark);
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-dark-hover);
}

@media (max-width: 1023px) {
     .modal-body {
          max-width: unset;
          padding: var(--spacing-xl);
     }

     .modal-body::-webkit-scrollbar {
          width: var(--spacing-xl);
     }

     .modal-body::-webkit-scrollbar-thumb {
          min-height: var(--scrollbar-thumb-min);
     }
}

.modal-body h4 {
    font-size: var(--btn-font-size-desktop);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
    padding-block: 0;
}

.modal-body h4:first-child {
    margin-top: 0;
}

/* Modal Lists */
.modal-list {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
    color: var(--color-text-medium);
}

@media (max-width: 1023px) {
     .modal-list {
          padding-left: 4rem;
     }
}

.modal-list li {
     font-family: var(--font-body);
     letter-spacing: var(--letter-spacing-tight);
     font-size: var(--font-size-lg);
     text-align: left;
     line-height: var(--line-height-relaxed);
     margin-block: var(--font-size-xl);
}

@media (max-width: 1023px) {
     .modal-list li {
          font-size: var(--font-size-mobile-base);
          letter-spacing: unset;
     }
}

.modal-list.check li::marker {
    content: "✅ ";
}

.modal-list.cross li::marker {
    content: "❌ ";
}

.modal-list.sources {
    list-style: none;
    padding-left: 0;
}

.modal-list.sources li {
    margin-bottom: 1rem;
}

.modal-list.sources a {
    color: var(--color-link);
    text-decoration: underline;
}

/* Modal Table */
.modal-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    font-size: var(--font-size-lg);
}

@media (max-width: 1023px) {
     .modal-table {
          font-size: var(--font-size-mobile-sm);
     }
}

.modal-table th,
.modal-table td {
    padding: var(--spacing-md) var(--spacing-md);
    text-align: left;
    border: 1px solid var(--color-border-subtle);
}

.modal-table th {
    background-color: var(--color-text-dark);
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
}

.modal-table tr:nth-child(even) {
    background-color: var(--color-bg-input);
}

/* Modal Code Block */
.modal-code {
    display: block;
    background-color: var(--color-bg-code);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: monospace;
    font-size: var(--font-size-lg);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-dark);
}

@media (max-width: 1023px) {
     .modal-code {
          font-size: var(--font-size-mobile-sm);
     }
}

/* Modal Source Citation */
.modal-source {
    font-size: var(--font-size-sm);
    color: var(--color-text-hint);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

@media (max-width: 1023px) {
     .modal-source {
          font-size: var(--font-size-lg);
     }
}

/* Modal Sources Section */
.modal-sources {
    border-top: 2px solid var(--color-bg-light);
    margin-top: 1.5rem;
    padding-top: 1rem;
}

.modal-sources h4 {
    font-size: var(--btn-font-size-desktop);
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
    padding-block: 0;
}

/* ===================================================================
   ANIMATIONS & KEYFRAMES
   
   fadeUp     - Primary entrance animation (opacity + translateY)
   scaleIn    - Scale from 0.95 to 1 with fade
   slideInUp  - Alias for fadeUp (legacy compatibility)
   pulse      - Attention-grabbing loop
   =================================================================== */

@keyframes fadeUp {
     from {
          opacity: 0;
          transform: translateY(var(--anim-offset));
     }
     to {
          opacity: 1;
          transform: translateY(0);
     }
}

@keyframes scaleIn {
     from {
          opacity: 0;
          transform: scale(0.95);
     }
     to {
          opacity: 1;
          transform: scale(1);
     }
}

@keyframes slideInUp {
     from {
          opacity: 0;
          transform: translateY(var(--anim-offset));
     }
     to {
          opacity: 1;
          transform: translateY(0);
     }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes resultsFadeIn {
    from {
        opacity: 0;
        transform: translateY(var(--anim-offset));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes countPop {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    60% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===================================================================
   UTILITY CLASSES
   =================================================================== */

/* Animation delays */
.delay-100 { animation-delay: var(--anim-stagger-1); }
.delay-200 { animation-delay: var(--anim-stagger-3); }
.delay-300 { animation-delay: var(--anim-stagger-5); }
.delay-400 { animation-delay: var(--anim-stagger-7); }
.delay-450 { animation-delay: calc(var(--anim-stagger-7) + 50ms); }
.delay-500 { animation-delay: var(--anim-stagger-8); }

/* Slide-up entrance animation */
.slide-up {
    opacity: 0;
    animation: slideUpFade var(--motion-slow) var(--motion-ease) forwards;
}

/* Margins */
.mb-8 { margin-bottom: var(--spacing-sm); }
.mb-32 { margin-bottom: var(--spacing-2xl); }

/* Flex utilities */
.justify-center { justify-content: center; }

/* ===================================================================
   ACCESSIBILITY
   =================================================================== */

@media (prefers-reduced-motion: reduce) {
     *,
     *::before,
     *::after {
          animation-duration: 0.01ms !important;
          animation-iteration-count: 1 !important;
          transition-duration: 0.01ms !important;
     }
     
     .burger-menu,
     .burger-line,
     .nav-links,
     .nav-links .navbar-heading {
          animation: none !important;
          transition: none !important;
     }
}