/* Base Styles */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: #000000;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    overflow-x: hidden;
    overflow-y: scroll;
}

/* Home Button - Matches Navigation Bar EXACTLY */
#home-button-container {
    position: fixed;
    top: 20px;
    right: 50%;
    margin-right: 360px;
    z-index: 1000;
    pointer-events: auto;
}

#home-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 40px;
    gap: 40px;
    background: rgba(0, 0, 0, 0.05);
    backdrop-filter: brightness(0.9) blur(20px) url(#liquidGlassFilter);
    -webkit-backdrop-filter: brightness(0.9) blur(20px) url(#liquidGlassFilter);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 6px 6px 0px -6px rgba(255, 255, 255, 0.4),
                inset 0 0 8px 1px rgba(255, 255, 255, 0.3),
                0 8px 32px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: visible;
    text-decoration: none;
    outline: none;
}

#home-button:visited,
#home-button:active,
#home-button:focus {
    text-decoration: none;
    outline: none;
}

#home-button span {
    color: rgba(255, 255, 255, 1.0);
    text-decoration: none;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 2px;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    white-space: nowrap;
    position: relative;
    display: inline-block;
    transform: scale(1);
    transform-origin: center center;
    transition: transform 0.3s ease-out;
}

#home-button:hover span {
    transform: scale(1.07);
}

/* Navigation Bar - EXACT same as MainBrain */
#brain-navigation-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    pointer-events: auto;
}

#brain-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 40px;
    gap: 40px;
    background: rgba(0, 0, 0, 0.05);
    backdrop-filter: brightness(0.9) blur(20px) url(#liquidGlassFilter);
    -webkit-backdrop-filter: brightness(0.9) blur(20px) url(#liquidGlassFilter);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 6px 6px 0px -6px rgba(255, 255, 255, 0.4),
                inset 0 0 8px 1px rgba(255, 255, 255, 0.3),
                0 8px 32px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: visible;
}

#brain-navigation a {
    color: rgba(255, 255, 255, 1.0);
    text-decoration: none;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 2px;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    white-space: nowrap;
    position: relative;
    display: inline-block;
    transform: scale(1);
    transform-origin: center center;
    transition: transform 0.3s ease-out;
}

#brain-navigation a:hover {
    transform: scale(1.07);
}

#brain-navigation a.active {
    color: rgba(255, 255, 255, 1.0);
}

/* Download Links Sidebar - Responsive Positioning */
#download-sidebar {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 500;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 240px;
    /* Ensure sidebar content doesn't overflow viewport */
    box-sizing: border-box;
}

/* Adjust position based on screen width - ensures sidebar never goes off-screen */
@media (min-width: 1600px) {
    #download-sidebar {
        left: max(20px, calc((100vw - 1400px) / 2 - 280px));
    }
}

@media (max-width: 1599px) and (min-width: 1400px) {
    #download-sidebar {
        left: max(20px, 40px);
    }
}

@media (max-width: 1399px) and (min-width: 969px) {
    #download-sidebar {
        left: 20px;
    }
}

.download-section-title {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
    text-align: center;
}

.download-link {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: brightness(0.9) blur(20px) url(#liquidGlassFilter);
    -webkit-backdrop-filter: brightness(0.9) blur(20px) url(#liquidGlassFilter);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 4px 4px 0px -4px rgba(255, 255, 255, 0.4),
                inset 0 0 8px 1px rgba(255, 255, 255, 0.3),
                0 8px 24px rgba(0, 0, 0, 0.5);
    color: rgba(255, 255, 255, 1.0);
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-label {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-bottom: 5px;
}

.download-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.2px;
}

.download-link:hover {
    transform: scale(1.05);
    box-shadow: inset 4px 4px 0px -4px rgba(255, 255, 255, 0.5),
                inset 0 0 12px 2px rgba(255, 255, 255, 0.4),
                0 12px 32px rgba(0, 0, 0, 0.6);
}

/* Main Container */
.experience-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 200px 60px 200px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h1 {
    font-size: 42px;
    font-weight: 600;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #b8c5cf 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

/* Timeline Container */
.timeline {
    position: relative;
    padding: 0 0 60px 0;
}

/* Timeline Center Line - Brighter Glowing White with Particles */
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.95) 50%, 
        rgba(255, 255, 255, 0.3) 100%);
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5),
                0 0 20px rgba(255, 255, 255, 0.3),
                0 0 30px rgba(255, 255, 255, 0.15);
    filter: blur(0.5px);
    animation: timeline-glow 8s ease-in-out infinite;
}

@keyframes timeline-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.5),
                    0 0 20px rgba(255, 255, 255, 0.3),
                    0 0 30px rgba(255, 255, 255, 0.15);
    }
    50% {
        box-shadow: 0 0 15px rgba(255, 255, 255, 0.65),
                    0 0 30px rgba(255, 255, 255, 0.4),
                    0 0 45px rgba(255, 255, 255, 0.2);
    }
}

/* Particles emanating from timeline */
.timeline::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 60px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.03) 50%,
        transparent 70%);
    pointer-events: none;
    animation: particle-drift 10s ease-in-out infinite;
}

@keyframes particle-drift {
    0%, 100% {
        opacity: 0.3;
        transform: translateX(-50%) scaleX(1);
    }
    50% {
        opacity: 0.6;
        transform: translateX(-50%) scaleX(1.2);
    }
}

/* Timeline Item - More Compact */
.timeline-item {
    display: flex;
    align-items: flex-start;
    position: relative;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }
.timeline-item:nth-child(6) { animation-delay: 0.6s; }
.timeline-item:nth-child(7) { animation-delay: 0.7s; }
.timeline-item:nth-child(8) { animation-delay: 0.8s; }
.timeline-item:nth-child(9) { animation-delay: 0.9s; }

/* Left Side - Title and Organization on Same Level */
.timeline-left {
    flex: 1;
    text-align: right;
    padding-right: 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 12px;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 4px;
    letter-spacing: -0.2px;
}

.timeline-date {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

/* Center Icon - Larger Square with Glowing Border and Particles */
.timeline-center {
    position: relative;
    flex-shrink: 0;
    z-index: 10;
}

.timeline-icon {
    width: 75px;
    height: 75px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.8),
                0 0 32px rgba(255, 255, 255, 0.5),
                0 0 48px rgba(255, 255, 255, 0.2),
                inset 0 0 8px rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    overflow: visible;
    position: relative;
    animation: icon-glow 8s ease-in-out infinite;
}

@keyframes icon-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.5),
                    0 0 20px rgba(255, 255, 255, 0.3),
                    0 0 30px rgba(255, 255, 255, 0.1),
                    inset 0 0 8px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 15px rgba(255, 255, 255, 0.65),
                    0 0 30px rgba(255, 255, 255, 0.4),
                    0 0 45px rgba(255, 255, 255, 0.15),
                    inset 0 0 12px rgba(255, 255, 255, 0.25);
    }
}

/* Particles emanating from icon */
.timeline-icon::before {
    content: '';
    position: absolute;
    top: -25px;
    left: -25px;
    right: -25px;
    bottom: -25px;
    border-radius: 16px;
    background: radial-gradient(circle at center, 
        rgba(255, 255, 255, 0.12) 0%, 
        rgba(255, 255, 255, 0.05) 40%,
        transparent 70%);
    pointer-events: none;
    animation: icon-particle-drift 9s ease-in-out infinite;
}

@keyframes icon-particle-drift {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.timeline-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(1.1);
}

/* Right Side - Organization on Same Level as Title */
.timeline-right {
    flex: 1;
    padding-left: 40px;
    padding-top: 12px;
}

.timeline-organization {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 4px;
    letter-spacing: -0.2px;
}

.timeline-organization a {
    color: #ffffff;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.timeline-organization a:hover {
    color: #d4dfe8;
}

.timeline-location {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
    font-weight: 400;
}

/* Details - Compact with Separators */
.timeline-details {
    margin-top: 8px;
}

.timeline-detail-item {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-detail-item:last-child {
    border-bottom: none;
}

.timeline-detail-item.hidden {
    display: none;
}

.show-more-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 0;
    margin-top: 4px;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.show-more-btn:hover {
    color: rgba(255, 255, 255, 1.0);
}

/* Responsive Design */
@media (max-width: 1400px) {
    .experience-container {
        padding: 120px 100px 60px 100px;
    }
}

@media (max-width: 968px) {
    #download-sidebar {
        display: none;
    }

    .experience-container {
        padding: 100px 24px 40px 24px;
    }

    .section-header h1 {
        font-size: 32px;
    }

    .timeline::before {
        left: 35px;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 90px;
        margin-bottom: 40px;
    }

    .timeline-left {
        text-align: left;
        padding-right: 0;
        padding-top: 0;
        margin-bottom: 8px;
    }

    .timeline-center {
        position: absolute;
        left: 0;
        top: 0;
    }

    .timeline-right {
        padding-left: 0;
        padding-top: 0;
        width: 100%;
    }
}

@media (max-width: 640px) {
    /* Hide home button on mobile - it's already in the VIEW TABS dropdown */
    #home-button-container {
        display: none !important;
    }

    #home-button {
        padding: 8px 12px !important;
        gap: 8px !important;
    }

    #home-button span {
        font-size: 10px !important;
        letter-spacing: 1px !important;
        padding: 8px 12px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    #brain-navigation-container {
        top: 10px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: calc(100% - 130px) !important;
        max-width: calc(100vw - 130px) !important;
        margin-left: 0 !important;
    }

    #brain-navigation {
        padding: 8px 12px !important;
        gap: 8px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        justify-content: flex-start !important;
        -webkit-overflow-scrolling: touch !important;
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
    }

    #brain-navigation::-webkit-scrollbar {
        display: none !important;
    }

    #brain-navigation a {
        font-size: 10px !important;
        letter-spacing: 1px !important;
        padding: 8px 12px !important;
        flex-shrink: 0 !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center;
    }

    .experience-container {
        padding: 90px 16px 30px 16px;
    }

    .section-header h1 {
        font-size: 28px;
    }

    .timeline-icon {
        width: 60px;
        height: 60px;
    }

    .timeline-item {
        padding-left: 80px;
    }

    .timeline::before {
        left: 30px;
    }
}

@media (max-width: 480px) {
    #home-button {
        padding: 6px 8px !important;
        gap: 6px !important;
    }

    #home-button span {
        font-size: 9px !important;
        padding: 6px 10px !important;
    }

    #brain-navigation-container {
        width: calc(100% - 110px) !important;
        max-width: calc(100vw - 110px) !important;
    }

    #brain-navigation {
        padding: 6px 8px !important;
        gap: 6px !important;
    }

    #brain-navigation a {
        font-size: 9px !important;
        padding: 6px 10px !important;
    }

    .experience-container {
        padding: 80px 12px 25px 12px;
    }

    .timeline-icon {
        width: 50px;
        height: 50px;
    }
}