/* ========================================
   ADVANCED INTERACTIVITY STYLES
   Click-triggered animations, modals, accordions, tabs, panels
   ======================================== */

/* ========================================
   1. MODAL SYSTEM
   ======================================== */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Modal Container */
.modal-container {
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.98), rgba(44, 62, 95, 0.98));
    border-radius: 20px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 3rem;
    position: relative;
    transform: scale(0.9) translateY(30px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(212, 175, 55, 0.2);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 
                0 0 100px rgba(212, 175, 55, 0.1);
}

.modal-container::-webkit-scrollbar {
    width: 8px;
}

.modal-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.modal-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #8B2F5C, #6B1F3C);
    border-radius: 10px;
}

/* Modal Close Button */
.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: #8B2F5C;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: rgba(212, 175, 55, 0.2);
    transform: rotate(90deg);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* Modal Header */
.modal-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #8B2F5C, #6B1F3C);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

/* Modal Body */
.modal-body {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.modal-body h3 {
    color: #8B2F5C;
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.modal-body p {
    margin-bottom: 1rem;
}

.modal-body ul {
    list-style: none;
    padding: 0;
}

.modal-body ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.8rem;
}

.modal-body ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #8B2F5C;
    font-weight: bold;
}

/* ========================================
   2. EXPANDABLE CARDS SYSTEM
   ======================================== */

.expandable-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.expandable-card .card-preview {
    display: block;
    transition: all 0.3s ease;
}

.expandable-card .card-expanded {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: top;
}

.expandable-card.expanded .card-preview {
    opacity: 0.5;
    transform: translateY(-3px);
}

.expandable-card.expanded .card-expanded {
    max-height: 1000px;
    opacity: 1;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.expandable-card .expand-trigger {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8B2F5C, #6B1F3C);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    z-index: 5;
}

.expandable-card .expand-trigger:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.expandable-card.expanded .expand-trigger {
    transform: rotate(180deg);
}

/* ========================================
   3. SLIDE-OUT PANEL SYSTEM
   ======================================== */

.slide-panel {
    position: fixed;
    top: 0;
    right: -450px;
    width: 450px;
    height: 100vh;
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.98), rgba(44, 62, 95, 0.98));
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 9998;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    border-left: 1px solid rgba(212, 175, 55, 0.2);
}

.slide-panel.active {
    right: 0;
}

.slide-panel-header {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), transparent);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.slide-panel-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.2);
    border: none;
    color: #8B2F5C;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.slide-panel-close:hover {
    background: rgba(212, 175, 55, 0.3);
    transform: rotate(90deg);
}

.slide-panel-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #8B2F5C;
    margin: 0;
}

.slide-panel-content {
    padding: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   4. ACCORDION SYSTEM (Enhanced)
   ======================================== */

.accordion-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item,
.faq-item {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(44, 62, 95, 0.05));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover,
.faq-item:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.15);
}

.accordion-header,
.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: all 0.3s ease;
    user-select: none;
}

.accordion-header:hover,
.faq-question:hover {
    background: rgba(212, 175, 55, 0.08);
}

.accordion-title,
.faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin: 0;
    transition: color 0.3s ease;
}

.accordion-icon,
.faq-question i {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8B2F5C, #6B1F3C);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-icon,
.faq-item.active .faq-question i {
    transform: rotate(180deg);
    background: linear-gradient(135deg, #6B1F3C, #8B2F5C);
}

.accordion-content,
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-content,
.faq-item.active .faq-answer {
    max-height: 1000px;
}

.accordion-body,
.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ========================================
   5. TAB SYSTEM
   ======================================== */

.tabs-container {
    margin: 2rem 0;
}

.tabs-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
    overflow-x: auto;
}

.tab-button {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #8B2F5C, #6B1F3C);
    transition: width 0.3s ease;
}

.tab-button:hover {
    color: rgba(255, 255, 255, 0.9);
}

.tab-button.active {
    color: #8B2F5C;
}

.tab-button.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   6. TOOLTIP SYSTEM
   ======================================== */

.tooltip-trigger {
    position: relative;
    cursor: help;
    display: inline-block;
}

.tooltip-content {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.98), rgba(44, 62, 95, 0.98));
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    min-width: 200px;
    max-width: 300px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: rgba(10, 14, 26, 0.98);
}

.tooltip-trigger:hover .tooltip-content,
.tooltip-trigger.active .tooltip-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ========================================
   7. FLOATING ACTION BUTTONS
   ======================================== */

.floating-actions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 9990;
}

.fab-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8B2F5C, #6B1F3C);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.fab-button::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #6B1F3C, #8B2F5C);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.fab-button:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.6);
}

.fab-button:hover::before {
    opacity: 1;
}

.fab-button i {
    position: relative;
    z-index: 2;
}

.fab-label {
    position: absolute;
    right: calc(100% + 1rem);
    background: rgba(10, 14, 26, 0.95);
    color: #8B2F5C;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.fab-button:hover .fab-label {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* ========================================
   8. COMPARISON TABLE
   ======================================== */

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.comparison-table th {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(44, 62, 95, 0.2));
    color: #8B2F5C;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.comparison-table td {
    color: rgba(255, 255, 255, 0.8);
}

.comparison-table tr:hover {
    background: rgba(212, 175, 55, 0.05);
}

.comparison-check {
    color: #4CAF50;
    font-size: 1.2rem;
}

.comparison-cross {
    color: #f44336;
    font-size: 1.2rem;
}

/* ========================================
   9. INTERACTIVE TIMELINE
   ======================================== */

.interactive-timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #8B2F5C, #6B1F3C);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin: 3rem 0;
    cursor: pointer;
}

.timeline-point {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #8B2F5C, #6B1F3C);
    border-radius: 50%;
    border: 4px solid rgba(10, 14, 26, 1);
    transition: all 0.3s ease;
    z-index: 5;
}

.timeline-item:hover .timeline-point {
    transform: translateX(-50%) scale(1.5);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
}

.timeline-content {
    width: 45%;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(44, 62, 95, 0.1));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 55%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 55%;
}

.timeline-item:hover .timeline-content {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(44, 62, 95, 0.15));
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: #8B2F5C;
    margin-bottom: 0.5rem;
}

.timeline-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    margin-top: 1rem;
}

.timeline-item.expanded .timeline-details {
    max-height: 500px;
}

/* ========================================
   10. ANIMATED COUNTER (Click to Reveal)
   ======================================== */

.stat-revealer {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.stat-revealer::after {
    content: 'Click for details';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: rgba(212, 175, 55, 0.6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-revealer:hover::after {
    opacity: 1;
}

.stat-breakdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    margin-top: 1rem;
}

.stat-revealer.revealed .stat-breakdown {
    max-height: 300px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.breakdown-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    background: linear-gradient(90deg, #8B2F5C, #6B1F3C);
    border-radius: 3px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-revealer.revealed .breakdown-fill {
    transform: scaleX(1);
}

/* ========================================
   11. RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .modal-container {
        width: 95%;
        padding: 2rem 1.5rem;
        max-height: 85vh;
    }
    
    .slide-panel {
        width: 100%;
        right: -100%;
    }
    
    .floating-actions {
        bottom: 1rem;
        right: 1rem;
    }
    
    .fab-button {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .fab-label {
        display: none;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-point {
        left: 20px;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
    
    .tab-button {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* ========================================
   12. CLICK RIPPLE EFFECT
   ======================================== */

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.5);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ========================================
   13. LOADING STATES
   ======================================== */

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 26, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border-radius: inherit;
    z-index: 100;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(212, 175, 55, 0.2);
    border-top-color: #8B2F5C;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}