#roadmap {
    position: relative;
    padding: 4rem 0;
    overflow: hidden;
    min-height: 2100px;
    /* Balanced Height */
}

.timeline-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    height: 2100px;
    /* Balanced Height */
    margin: 0 auto;
}

/* --- Glowing Path --- */
.timeline-path {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* CRITICAL: Must inherit full container height (2100px) */
    z-index: 0;
    pointer-events: none;
}

.timeline-path svg {
    width: 100%;
    height: 100%;
    /* Ensure SVG fills the entire path container */
}

.path-line {
    fill: none;
    stroke: rgba(56, 189, 248, 0.6);
    stroke-width: 3px;
    /* Enhanced visibility */
    stroke-dasharray: 10, 10;
    stroke-linecap: round;
}

.path-blur {
    fill: none;
    stroke: rgba(56, 189, 248, 0.8);
    stroke-width: 10px;
    filter: blur(12px);
    opacity: 0.6;
    animation: pulsePath 4s infinite alternate;
}

/* Show desktop path by default, hide mobile path */
.desktop-path {
    display: block;
}

.mobile-path {
    display: none;
}

@keyframes pulsePath {
    0% {
        opacity: 0.4;
    }

    100% {
        opacity: 0.9;
    }
}

/* --- Wormholes (Interstellar Black Hole Style) --- */
.wormhole {
    position: absolute;
    width: 100px;
    /* Balanced Size */
    height: 100px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Event Horizon (Black Core) */
.wormhole::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    background: #000;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5), inset 0 0 10px rgba(255, 255, 255, 0.2);
    z-index: 2;
}

/* Accretion Disk (Swirling Light) */
.wormhole::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(from 0deg,
            transparent 0%,
            rgba(255, 200, 150, 0.1) 10%,
            rgba(255, 255, 255, 0.8) 45%,
            #fff 50%,
            rgba(255, 255, 255, 0.8) 55%,
            rgba(100, 200, 255, 0.1) 90%,
            transparent 100%);
    animation: spinWormhole 8s linear infinite;
    filter: blur(4px);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.wormhole.start {
    top: 2%;
    left: 10%;
}

.wormhole.end {
    top: 99%;
    /* Pushed down for better flow */
    left: 60%;
}

@keyframes spinWormhole {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* --- Planet Nodes --- */
.planet-node {
    position: absolute;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    z-index: 10;
}

.planet-node:hover {
    z-index: 50;
}

/* Planet Sphere (High Fidelity) */
.planet {
    width: 45px;
    /* Balanced Standard */
    height: 45px;
    border-radius: 50%;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    z-index: 2;
    overflow: hidden;
}

/* Atmospheric Glow (Outer) */
.planet::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 12px currentColor;
    opacity: 0.4;
    z-index: -1;
    transition: opacity 0.3s;
}

.planet-node:hover .planet::before {
    opacity: 0.9;
}

/* Terminator Line (Day/Night Shadow) */
.planet::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, transparent 40%, rgba(0, 0, 0, 0.8) 85%, #000 100%);
    z-index: 3;
    pointer-events: none;
}

/* --- Celestial Body Styles (Restructured) --- */

/* 1. Type: Planet (Education) - Earth-like */
.type-planet {
    background: radial-gradient(circle at 40% 40%, #00b0ff, #005f9e, #001e3c);
    box-shadow:
        inset -8px -8px 12px rgba(0, 0, 0, 0.7),
        /* Deep shadow */
        inset 2px 2px 5px rgba(255, 255, 255, 0.4),
        /* Highlight */
        0 0 15px rgba(0, 150, 255, 0.4);
    /* Atmosphere Glow */
    overflow: hidden;
}

/* Continent & Cloud Texture */
.type-planet::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-image:
        /* Clouds */
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.7) 0%, transparent 25%),
        radial-gradient(ellipse at 20% 70%, rgba(255, 255, 255, 0.6) 0%, transparent 30%),
        /* Landmasses */
        radial-gradient(circle at 35% 55%, rgba(56, 142, 60, 0.8) 0%, transparent 20%),
        radial-gradient(circle at 65% 35%, rgba(76, 175, 80, 0.7) 0%, transparent 25%);
    filter: blur(1px);
    opacity: 0.9;
}

/* 2. Type: Moon (Internships/Jobs) - Rocky & Cratered */
.type-moon {
    background: radial-gradient(circle at 35% 35%, #e2e8f0, #94a3b8, #334155);
    box-shadow:
        inset -5px -5px 10px rgba(0, 0, 0, 0.9),
        0 0 8px rgba(148, 163, 184, 0.3);
}

/* Craters */
.type-moon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-image:
        radial-gradient(circle at 30% 60%, rgba(0, 0, 0, 0.3) 15%, #cbd5e1 16%, transparent 18%),
        /* Big Crater */
        radial-gradient(circle at 70% 30%, rgba(0, 0, 0, 0.2) 10%, #cbd5e1 11%, transparent 13%),
        /* Med Crater */
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.1) 5%, transparent 7%);
    /* Small Crater */
    opacity: 0.8;
}

/* 3. Type: Dwarf Planet (POR) - Mars/Iron-rich */
.type-dwarf {
    background: radial-gradient(circle at 40% 40%, #fdba74, #ea580c, #7c2d12);
    box-shadow:
        inset -6px -6px 12px rgba(0, 0, 0, 0.8),
        0 0 12px rgba(234, 88, 12, 0.5);
    /* Dusty Glow */
}

/* Surface Bands / Ice Caps */
.type-dwarf::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background:
        linear-gradient(180deg,
            rgba(255, 255, 255, 0.4) 0%,
            /* Ice Cap North */
            transparent 20%,
            rgba(0, 0, 0, 0.1) 40%,
            /* Band */
            transparent 60%,
            rgba(255, 255, 255, 0.2) 100%
            /* Ice Cap South */
        );
    filter: blur(0.5px);
}

/* 4. Type: Satellite (Achievements) - Voyager/Mechanical Style */
.type-satellite {
    /* Use a square-ish or distinct shape? Let's keep circle base but modify appearance */
    border-radius: 50%;
    /* Keep circular container for consistency, but inner look changes */
    background: radial-gradient(circle at 30% 30%, #fcd34d, #b45309);
    /* Gold Core */
    width: 28px;
    /* Balanced */
    height: 28px;
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.6);
}

/* Voyager Solar Panels */
.type-satellite::before,
.type-satellite::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    background: linear-gradient(to bottom, #1e293b, #334155);
    border: 1px solid #94a3b8;
    z-index: -1;
}

/* Wings configuration */
.type-satellite::before {
    width: 140%;
    height: 30%;
    transform: translate(-50%, -50%);
}

.type-satellite::after {
    width: 30%;
    height: 140%;
    transform: translate(-50%, -50%) rotate(0deg);
    display: none;
    /* Just side wings for Voyager look */
}

/* Antenna / Dish */
.type-satellite .planet-shadow {
    display: none;
    /* No shadow on the satellite itself since it's emissive/metallic */
}

/* Specific size adjustments */
.planet.type-planet.large {
    width: 55px;
    height: 55px;
}

.planet.type-moon.large {
    width: 48px;
    height: 48px;
}

/* Moons shouldn't be huge */
.planet.type-moon.small {
    width: 35px;
    height: 35px;
}

.planet.type-dwarf {
    width: 38px;
    height: 38px;
}

.planet.type-satellite {
    width: 28px;
    height: 28px;
}

/* Hover Effects */
.planet-node:hover .type-satellite {
    box-shadow: 0 0 25px rgba(251, 191, 36, 0.9);
    transform: scale(1.1) rotate(10deg);
}

/* --- Compact Info Labels --- */
.planet-info {
    position: absolute;
    width: max-content;
    max-width: 200px;
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    text-align: left;
    transition: all 0.3s ease;
    pointer-events: none;
    box-shadow: none;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
    /* Stronger shadow since no bg */

    /* Reset Text Blur */
    filter: none;
    opacity: 1;
    z-index: 20;
    /* Ensure it's above the path */
}

/* Positions */
.info-right {
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    margin-left: 0.8rem;
}

.info-left {
    top: 50%;
    right: 100%;
    transform: translateY(-50%);
    margin-right: 0.8rem;
}

/* Connectors */
.info-right::before,
.info-left::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 1rem;
    height: 1px;
    background: rgba(255, 255, 255, 0.4);
}

.info-right::before {
    right: 100%;
}

.info-left::before {
    left: 100%;
}

/* Hover */
.planet-node:hover .planet-info {
    background: transparent;
    backdrop-filter: none;
    transform: scale(1.05);
    z-index: 100;
}

.planet-node:hover .info-right {
    transform: translateY(-50%) translateX(3px);
}

.planet-node:hover .info-left {
    transform: translateY(-50%) translateX(-3px);
}


/* Typography - Simplified */
.stage-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #94a3b8;
    display: none;
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.planet-info h3 {
    font-size: 0.9rem;
    /* Readable Title */
    color: #fff;
    margin-bottom: 0.2rem;
    font-weight: 700;
    line-height: 1.2;
}

.planet-info p {
    font-size: 0.75rem;
    /* Readable Body */
    color: #cbd5e1;
    margin-bottom: 0.4rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    /* Standard property for compatibility */
    /* Limit lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.date-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 99px;
    background: rgba(56, 189, 248, 0.1);
    color: #7dd3fc;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

/* --- ISS / Satellite --- */
.iss-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    z-index: 5;
    pointer-events: none;
    will-change: transform;
    display: none;
    /* Hidden by default (Desktop) */
}

.iss-icon {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.6));
    animation: floatingSatellite 6s ease-in-out infinite;
}

/* Solar Panel Glint */
.solar-panel {
    fill: #60a5fa;
    fill-opacity: 0.8;
}

/* Blinking Light */
.blink-light {
    animation: blinkRed 2s infinite;
}

@keyframes blinkRed {

    0%,
    100% {
        opacity: 0.2;
    }

    50% {
        opacity: 1;
        box-shadow: 0 0 10px #ef4444;
    }
}

@keyframes floatingSatellite {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-5px) rotate(2deg);
    }
}

/* --- Tablet Breakpoint (769px - 1024px) --- */
@media (min-width: 769px) and (max-width: 1024px) {
    #roadmap {
        padding: 3rem 1rem;
        min-height: 1600px;
    }

    .timeline-container {
        transform: scale(0.7);
        transform-origin: top center;
        max-width: 100%;
        height: 1500px;
    }

    .planet-info {
        padding: 0.75rem 1rem;
    }

    .planet-info h3 {
        font-size: 0.9rem;
    }


}

/* --- Mobile Optimization & Compatibility --- */
@media (max-width: 768px) {
    #roadmap {
        padding: 4rem 0 0;
        /* Reduced bottom padding */
        /* FIXED: Calculate min-height based on scaled container */
        /* Formula: (container_height × scale) + padding */
        /* 2100px × 0.33 = 693px. Buffer to 700px */
        min-height: 700px;
        overflow: visible;
        /* FIXED: Allow bottom nodes to be visible */
        overflow-x: hidden;
        /* Keep horizontal overflow hidden */
        position: relative;
        display: flex;
        justify-content: center;
        margin-bottom: -5rem;
        /* Pull up following content */
    }

    /* Scale down and center the cosmic path UI */
    .timeline-container {
        transform: scale(0.33);
        transform-origin: top center;
        margin: 0 auto;
        width: 1000px;
        max-width: none;
        position: relative;
        left: 0;
        /* No offset needed with mobile-specific path */
        overflow: visible;
        flex-shrink: 0;
        /* CRITICAL: Prevent flexbox from squashing the 1000px container */
    }

    /* Use desktop path for all devices (mobile uses same layout, just scaled) */
    .desktop-path {
        display: block;
    }

    .mobile-path {
        display: none;
    }

    /* Keep cosmic path visible on mobile */
    .timeline-path,
    .wormhole {
        display: block;
        overflow: visible;
    }

    .rocket-container {
        display: none !important;
        /* Explicitly requested to remove from mobile */
    }

    /* CRITICAL: Ensure SVG maintains full height in mobile */
    .timeline-path {
        height: 2100px !important;
        /* Must match .timeline-container height */
    }

    .timeline-path svg {
        overflow: visible;
        height: 2100px !important;
        /* Explicit height to prevent collapse */
    }

    /* Remove scroll hint since it's now centered */
    #roadmap::after {
        display: none;
    }

    /* Adjust planet sizing for better mobile touch */
    .planet-node {
        z-index: 5;
    }

    .planet {
        box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
    }

    /* Info boxes slightly more compact */
    .planet-info {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }

    .planet-info h3 {
        font-size: 0.85rem;
        margin-bottom: 0.15rem;
    }

    .planet-info p {
        font-size: 0.7rem;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    .date-tag {
        font-size: 0.55rem;
        padding: 2px 6px;
    }

    .stage-label {
        font-size: 0.5rem;
    }

    .rocket-container {
        /* Position handled via JS */
        top: 0;
        left: 0;
        width: 50px;
        height: 50px;
        will-change: transform;
        transform-origin: center center;
    }

    /* Ensure wormhole stays visible on mobile */
    .wormhole.end {
        left: 60%;
    }
}

/* Performance Optimizations */
.rocket-container,
.wormhole::before {
    will-change: transform;
}

.planet {
    will-change: transform, box-shadow;
}

/* --- Timeline Modal Popup --- */
.timeline-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.timeline-modal-content {
    position: relative;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 2.5rem;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 1.5rem;
    box-shadow:
        0 0 40px rgba(56, 189, 248, 0.15),
        0 25px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    text-align: center;
}

.modal-step {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.modal-subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.modal-date {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    background: rgba(56, 189, 248, 0.15);
    color: #7dd3fc;
    border: 1px solid rgba(56, 189, 248, 0.25);
    margin-bottom: 1.5rem;
}

.modal-description {
    font-size: 1rem;
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.modal-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #38bdf8, #0ea5e9);
    color: #0f172a;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.modal-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.3);
}

/* Enhanced hover preview tooltip */
.planet-node:hover .planet-info {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(56, 189, 248, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* Mobile modal */
@media (max-width: 768px) {
    .timeline-modal-content {
        padding: 2rem 1.5rem;
        margin: 1rem;
        max-height: 85vh;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-close {
        width: 48px;
        height: 48px;
    }
}