/* ==========================================================================
   INDIAN FREEDOM TIMELINE - STYLESHEET
   Extends the main styles.css with timeline-specific styles
   ========================================================================== */

/* Timeline Hero Section */
.timeline-hero {
    position: relative;
    width: 100%;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    background: linear-gradient(135deg, rgba(255, 153, 51, 0.1) 0%, rgba(18, 136, 7, 0.1) 100%);
    overflow: hidden;
}

.timeline-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.timeline-hero .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(9, 13, 22, 0.3) 0%, rgba(9, 13, 22, 0.8) 100%);
    z-index: 1;
}

.timeline-hero .hero-content {
    position: relative;
    max-width: 900px;
    text-align: center;
    z-index: 2;
}

.timeline-hero .hero-tagline {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-gold);
    display: block;
    margin-bottom: 20px;
}

.timeline-hero .hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.timeline-hero .hero-title .highlight {
    background: var(--gradient-saffron-gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-heading);
}

.timeline-hero .hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Timeline Section */
.timeline-section {
    background: var(--bg-dark-deep);
    padding: 80px 0;
}

/* Timeline Navigation */
.timeline-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-snappy);
}

.nav-btn:hover:not(:disabled) {
    background: rgba(255, 176, 31, 0.1);
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.era-indicator {
    padding: 12px 30px;
    background: rgba(255, 176, 31, 0.1);
    border: 1px solid rgba(255, 176, 31, 0.3);
    border-radius: 30px;
}

.era-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Era Filter Tabs */
.era-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 60px;
}

.era-tab {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 25px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-snappy);
    white-space: nowrap;
}

.era-tab:hover {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
}

.era-tab.active {
    background: var(--gradient-saffron-gold);
    color: #000;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

/* Timeline Container */
.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

/* Timeline vertical line */
.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-saffron), var(--primary-gold), var(--primary-green));
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(255, 176, 31, 0.3);
}

/* Timeline Event Card */
.timeline-event {
    position: relative;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.timeline-event.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-event:nth-child(odd) {
    padding-right: calc(50% + 40px);
    text-align: right;
}

.timeline-event:nth-child(even) {
    padding-left: calc(50% + 40px);
    text-align: left;
}

/* Timeline dot */
.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: var(--primary-gold);
    border: 4px solid var(--bg-dark-deep);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 176, 31, 0.5);
    z-index: 10;
    cursor: pointer;
    transition: var(--transition-snappy);
}

.timeline-dot:hover {
    transform: translateX(-50%) scale(1.3);
    background: var(--primary-saffron);
}

/* Timeline Event Card */
.event-card {
    background: var(--bg-dark-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-saffron-gold);
    opacity: 0;
    transition: var(--transition-snappy);
}

.event-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 176, 31, 0.3);
    box-shadow: var(--shadow-glow-active);
}

.event-card:hover::before {
    opacity: 1;
}

.event-year {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 176, 31, 0.15);
    border: 1px solid rgba(255, 176, 31, 0.3);
    border-radius: 20px;
    color: var(--primary-gold);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.event-card h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.event-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
}

.event-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.event-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.event-location::before {
    content: '📍';
}

.event-fighters {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--primary-saffron);
    font-weight: 600;
}

.event-fighters::before {
    content: '👥';
}

.event-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    color: var(--primary-gold);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-snappy);
}

.event-cta::after {
    content: '→';
    transition: var(--transition-snappy);
}

.event-card:hover .event-cta::after {
    transform: translateX(5px);
}

/* Event Modal */
.event-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(9, 13, 22, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

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

.modal-content {
    background: var(--bg-dark-card);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.event-modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-snappy);
    z-index: 10;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.modal-header {
    padding: 40px 40px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-year {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-saffron-gold);
    border-radius: 25px;
    color: #000;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.modal-title {
    font-size: 2.2rem;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.modal-body {
    padding: 30px 40px;
}

.modal-image-container {
    width: 100%;
    height: 300px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.05);
}

.modal-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.modal-freedom-fighters {
    margin-bottom: 30px;
}

.modal-freedom-fighters h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-gold);
}

.fighters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.fighter-mini-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    transition: var(--transition-snappy);
}

.fighter-mini-card:hover {
    background: rgba(255, 176, 31, 0.1);
    border-color: rgba(255, 176, 31, 0.3);
}

.fighter-mini-card .fighter-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.fighter-mini-card .fighter-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
}

.fighter-mini-card .fighter-role {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.modal-significance h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-green);
}

.modal-significance p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-muted);
}

/* Freedom Fighters Spotlight Section */
.fighters-spotlight {
    background: linear-gradient(to bottom, var(--bg-dark-deep) 0%, hsl(222, 47%, 6%) 100%);
    padding: 100px 0;
}

#fighters-spotlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.fighter-card {
    background: var(--bg-dark-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.fighter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-saffron-gold);
    transform: scaleX(0);
    transition: var(--transition-snappy);
}

.fighter-card:hover::before {
    transform: scaleX(1);
}

.fighter-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 176, 31, 0.3);
    box-shadow: var(--shadow-glow-active);
}

.fighter-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 176, 31, 0.1);
    border: 3px solid rgba(255, 176, 31, 0.3);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: var(--transition-snappy);
}

.fighter-card:hover .fighter-avatar {
    background: rgba(255, 176, 31, 0.2);
    border-color: var(--primary-gold);
    transform: scale(1.1);
}

.fighter-card h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.fighter-card .fighter-title {
    font-size: 0.85rem;
    color: var(--primary-gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.fighter-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
}

.fighter-card .fighter-years {
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .timeline-hero {
        min-height: 50vh;
        padding: 100px 20px 60px;
    }

    .timeline-hero .hero-title {
        font-size: 2.5rem;
    }

    .timeline-hero .hero-description {
        font-size: 1rem;
    }

    .timeline-navigation {
        flex-direction: column;
        gap: 15px;
    }

    .era-tabs {
        gap: 8px;
    }

    .era-tab {
        padding: 8px 16px;
        font-size: 0.75rem;
    }

    .timeline-container::before {
        left: 20px;
    }

    .timeline-event:nth-child(odd),
    .timeline-event:nth-child(even) {
        padding-left: 50px;
        padding-right: 0;
        text-align: left;
    }

    .timeline-dot {
        left: 20px;
    }

    .event-card {
        padding: 20px;
    }

    .event-card h3 {
        font-size: 1.3rem;
    }

    .modal-content {
        max-height: 95vh;
        margin: 10px;
    }

    .modal-header {
        padding: 30px 25px 20px;
    }

    .modal-title {
        font-size: 1.6rem;
    }

    .modal-body {
        padding: 20px 25px;
    }

    .modal-image-container {
        height: 200px;
    }

    .fighters-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    #fighters-spotlight-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .timeline-hero .hero-title {
        font-size: 2rem;
    }

    .era-tabs {
        display: none;
    }

    .timeline-navigation {
        display: none;
    }

    .event-card h3 {
        font-size: 1.1rem;
    }

    .event-card p {
        font-size: 0.85rem;
    }

    .fighter-card {
        padding: 20px;
    }

    .fighter-avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
}

/* Scrollbar for modal */
.event-modal .modal-content::-webkit-scrollbar {
    width: 8px;
}

.event-modal .modal-content::-webkit-scrollbar-track {
    background: var(--bg-dark-deep);
}

.event-modal .modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 176, 31, 0.3);
    border-radius: 4px;
}

.event-modal .modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--primary-gold);
}

/* Animation for timeline events */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-event.animate {
    animation: fadeInUp 0.6s ease forwards;
}