/* ==========================================
   LEARNING PAGE - Personal Journey Map
   Hand-drawn background with interactive markers
   ========================================== */

#learning {
    padding: calc(var(--section-padding) + 40px) 0 20px;
    background: var(--cream);
    position: relative;
    overflow-x: hidden;
}

/* Learning Hero with Frost Quote */
.learning-hero {
    padding: 0 var(--container-padding) 40px;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.frost-quote {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.5vw, 2.2rem);
    font-style: italic;
    color: var(--dark-coffee);
    line-height: 1.6;
    margin: 0;
    opacity: 0.9;
}

.frost-quote footer {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-style: normal;
    font-weight: 400;
    color: var(--coffee);
    margin-top: 20px;
    display: block;
}

.frost-quote cite {
    font-style: italic;
}

/* Journey Guidance Text */
.journey-guidance {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 1.5;
    color: rgba(60, 47, 35, 0.7);
    text-align: center;
    max-width: 700px;
    margin: -20px auto 50px;
    padding: 0 var(--container-padding);
    font-style: italic;
    font-weight: 400;
}

/* Journey Map Container with Hand-drawn Background */
.journey-map-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
    aspect-ratio: 1.25 / 1;
    background-image: url('../assets/journey_bg.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: visible;
}

/* ==========================================
   MARKER STYLES
   ========================================== */

/* Tree Markers (Knowledge Domains) - Invisible hotspots over background trees */
.tree-marker {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    z-index: 10;
    transform: translate(-50%, -50%);
}

.tree-marker .marker-hotspot {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: transparent;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.tree-marker .marker-hotspot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(70, 130, 180, 0.75);
    transform: translate(-50%, -50%);
    animation: treePulse 2s ease-in-out infinite;
    pointer-events: none;
}

.tree-marker:hover .marker-hotspot {
    background: rgba(139, 115, 85, 0.15);
    box-shadow: 0 0 0 4px rgba(139, 115, 85, 0.2), 0 0 20px rgba(139, 115, 85, 0.3);
    transform: scale(1.1);
}

.tree-marker .marker-label {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: #2C1F13;
    text-align: center;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: 12px 24px;
    border-radius: 24px;
    box-shadow: 0 6px 20px rgba(60, 47, 35, 0.2);
    border: 2px solid rgba(139, 115, 85, 0.4);
    white-space: nowrap;
    margin-top: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}

.tree-marker:hover .marker-label {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.tree-marker .marker-label::after {
    content: ' • Click to know more';
    font-size: 0.85rem;
    opacity: 0.75;
    font-weight: 400;
}

/* Stone Markers (Roadblocks) - Invisible hotspots over background stones */
.stone-marker {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    z-index: 8;
    transform: translate(-50%, -50%);
}

.stone-marker .marker-hotspot {
    width: 70px;
    height: 50px;
    border-radius: 40%;
    background: transparent;
    transition: all 0.3s ease;
    position: relative;
}

.stone-marker .marker-hotspot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 40%;
    border: 2px solid rgba(80, 64, 52, 0.8);
    transform: translate(-50%, -50%);
    animation: stonePulse 2.5s ease-in-out infinite;
    pointer-events: none;
}

.stone-marker:hover .marker-hotspot {
    background: rgba(125, 113, 103, 0.2);
    box-shadow: 0 0 0 3px rgba(125, 113, 103, 0.25), 0 0 15px rgba(125, 113, 103, 0.3);
    transform: scale(1.15);
}

.stone-marker .marker-label {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 600;
    color: #2C1F13;
    text-align: center;
    background: rgba(255, 252, 248, 0.98);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 20px;
    box-shadow: 0 5px 16px rgba(60, 47, 35, 0.2);
    border: 2px solid rgba(125, 113, 103, 0.35);
    white-space: nowrap;
    margin-top: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 240px;
    white-space: normal;
    line-height: 1.4;
    pointer-events: none;
}

.stone-marker:hover .marker-label {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.stone-marker .marker-label::after {
    content: ' • Click to know more';
    font-size: 0.85rem;
    opacity: 0.75;
    font-weight: 400;
}

/* Bunny Marker (Journey Start) */
.bunny-marker {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    z-index: 11;
    transform: translate(-50%, -50%);
}

.bunny-hotspot {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: transparent;
    transition: all 0.3s ease;
    position: relative;
}

.bunny-hotspot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(232, 93, 68, 0.5);
    transform: translate(-50%, -50%);
    animation: bunnyPulse 2s ease-in-out infinite;
    pointer-events: none;
}

.bunny-marker:hover .bunny-hotspot {
    background: rgba(232, 93, 68, 0.1);
    transform: scale(1.1);
}

/* Bunny Speech Bubble */
.bunny-speech-bubble {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 600;
    font-style: italic;
    color: #2C1F13;
    text-align: center;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: 12px 20px;
    border-radius: 20px;
    box-shadow: 0 6px 20px rgba(232, 93, 68, 0.25);
    border: 2px solid rgba(232, 93, 68, 0.4);
    white-space: nowrap;
    margin-top: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

/* Speech bubble arrow pointing to bunny */
.bunny-speech-bubble::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(232, 93, 68, 0.4);
}

.bunny-speech-bubble::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 7px solid rgba(255, 255, 255, 0.98);
}

.bunny-marker:hover .bunny-speech-bubble {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Achievement Markers (Gold Stars) - CSS-animated stars */
.achievement-marker {
    position: absolute;
    cursor: pointer;
    z-index: 9;
    transform: translate(-50%, -50%);
}

.achievement-marker:hover {
    z-index: 13;
}

/* Gold Star Shape */
.gold-star {
    width: 45px;
    height: 45px;
    position: relative;
    animation: starFloat 3s ease-in-out infinite;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.achievement-marker:hover .gold-star {
    transform: scale(1.3);
    animation: starFloat 3s ease-in-out infinite, starBurst 0.5s ease-out;
}

.star-shape {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
    clip-path: polygon(
        50% 0%,
        61% 35%,
        98% 35%,
        68% 57%,
        79% 91%,
        50% 70%,
        21% 91%,
        32% 57%,
        2% 35%,
        39% 35%
    );
    box-shadow:
        0 0 20px rgba(255, 215, 0, 0.8),
        0 0 40px rgba(255, 165, 0, 0.6),
        0 0 60px rgba(255, 140, 0, 0.4),
        inset 0 0 15px rgba(255, 255, 255, 0.4);
    animation: starGlow 2s ease-in-out infinite;
    position: relative;
}

/* Shimmer effect on stars */
.star-shape::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 0%,
        transparent 40%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 60%,
        transparent 100%
    );
    animation: starShimmer 3s linear infinite;
}

/* Center sparkle */
.star-shape::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    animation: starSparkle 1.5s ease-in-out infinite;
}

/* Gentle floating animation for stars */
@keyframes starFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Pulsing ring animation for tree markers */
@keyframes treePulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.3;
    }
}

/* Pulsing ring animation for stone markers */
@keyframes stonePulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.3;
    }
}

/* Glow animation for gold stars */
@keyframes starGlow {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(255, 215, 0, 0.8),
            0 0 40px rgba(255, 165, 0, 0.6),
            0 0 60px rgba(255, 140, 0, 0.4),
            inset 0 0 15px rgba(255, 255, 255, 0.4);
    }
    50% {
        box-shadow:
            0 0 30px rgba(255, 215, 0, 1),
            0 0 60px rgba(255, 165, 0, 0.8),
            0 0 90px rgba(255, 140, 0, 0.6),
            inset 0 0 20px rgba(255, 255, 255, 0.6);
    }
}

/* Shimmer sweep effect */
@keyframes starShimmer {
    0% {
        transform: translateX(-100%) translateY(-100%);
    }
    100% {
        transform: translateX(100%) translateY(100%);
    }
}

/* Sparkle in center */
@keyframes starSparkle {
    0%, 100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

/* Burst effect on hover */
@keyframes starBurst {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.4);
    }
    100% {
        transform: scale(1.3);
    }
}

/* Pulsing animation for bunny marker */
@keyframes bunnyPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.3;
    }
}

/* ==========================================
   POPUP STYLES
   ========================================== */

.journey-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    max-width: 700px;
    width: 90%;
    max-height: 85vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    border-radius: 24px;
    box-shadow: 0 30px 80px rgba(60, 47, 35, 0.3);
    border: 3px solid var(--coffee);
    padding: 0;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    display: flex;
    flex-direction: column;
}

.journey-popup.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: all;
}

.journey-popup.small {
    max-width: 500px;
}

/* Popup Close Button */
.popup-close {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.popup-close:hover {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    transform: rotate(90deg);
}

/* Popup Header */
.popup-header {
    background: linear-gradient(135deg, var(--coffee), var(--dark-coffee));
    color: white;
    padding: 32px 36px;
    border-radius: 20px 20px 0 0;
    position: relative;
}

.popup-header h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 10px 0;
    color: white;
}

.popup-subtitle {
    font-size: 1.1rem;
    font-style: italic;
    margin: 0;
    color: rgba(255, 250, 240, 0.9);
}

/* Popup Content */
.popup-content {
    padding: 32px 36px 36px;
    overflow-y: auto;
    max-height: calc(85vh - 140px);
}

.popup-content::-webkit-scrollbar {
    width: 8px;
}

.popup-content::-webkit-scrollbar-track {
    background: rgba(232, 213, 196, 0.3);
    border-radius: 10px;
}

.popup-content::-webkit-scrollbar-thumb {
    background: var(--coffee);
    border-radius: 10px;
}

.popup-content::-webkit-scrollbar-thumb:hover {
    background: var(--dark-coffee);
}

.popup-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-coffee);
    margin: 0 0 28px 0;
    font-weight: 400;
}

/* Popup Projects */
.popup-projects {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.popup-project {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 22px;
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.08), rgba(139, 115, 85, 0.12));
    border-radius: 16px;
    border-left: 4px solid var(--coffee);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.popup-project:hover {
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.12), rgba(139, 115, 85, 0.18));
    transform: translateX(6px);
    border-left-width: 5px;
    border-left-color: var(--dark-coffee);
    box-shadow: 0 8px 24px rgba(60, 47, 35, 0.15);
}

.project-emoji {
    flex-shrink: 0;
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(60, 47, 35, 0.15);
    border: 1px solid rgba(139, 115, 85, 0.15);
}

.popup-project div {
    flex: 1;
}

.popup-project strong {
    display: block;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--espresso);
    margin-bottom: 8px;
    line-height: 1.4;
}

.popup-project p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-coffee);
    margin: 0 0 12px 0;
    opacity: 0.92;
}

/* Project Links */
.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--coffee);
    text-decoration: none;
    padding: 7px 16px;
    background: rgba(139, 115, 85, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(139, 115, 85, 0.2);
    transition: all 0.3s ease;
    margin-right: 8px;
    margin-top: 4px;
}

.project-link:hover {
    background: var(--coffee);
    color: var(--cream);
    border-color: var(--coffee);
    transform: translateX(3px);
}

/* Backdrop Overlay */
.popup-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(60, 47, 35, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
    .journey-map-container {
        max-width: 1200px;
        aspect-ratio: 1.25 / 1;
    }

    .tree-marker .marker-hotspot {
        width: 70px;
        height: 70px;
    }

    .stone-marker .marker-hotspot {
        width: 60px;
        height: 45px;
    }

    .maple-leaf {
        width: 50px;
        height: 50px;
    }

    .tree-marker .marker-label,
    .stone-marker .marker-label {
        font-size: 0.9rem;
        padding: 10px 18px;
    }
}

@media (max-width: 768px) {
    #learning {
        padding: calc(var(--section-padding) + 60px) 0 var(--section-padding);
    }

    .frost-quote {
        font-size: 1.3rem;
        padding: 0 20px;
    }

    .journey-map-container {
        aspect-ratio: 1.25 / 1;
        border-radius: 16px;
        margin: 0 20px;
    }

    .tree-marker .marker-hotspot {
        width: 60px;
        height: 60px;
    }

    .stone-marker .marker-hotspot {
        width: 50px;
        height: 40px;
    }

    .maple-leaf {
        width: 45px;
        height: 45px;
    }

    .tree-marker .marker-label,
    .stone-marker .marker-label {
        font-size: 0.85rem;
        padding: 8px 16px;
    }

    .journey-popup {
        width: 95%;
        max-width: none;
        border-radius: 20px;
    }

    .popup-header {
        padding: 24px 28px;
    }

    .popup-header h3 {
        font-size: 1.6rem;
    }

    .popup-content {
        padding: 24px 28px 28px;
    }

    .popup-project {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 14px;
    }

    .project-emoji {
        font-size: 1.8rem;
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .frost-quote {
        font-size: 1.1rem;
    }

    .journey-map-container {
        aspect-ratio: 1.25 / 1;
        margin: 0 10px;
    }

    .tree-marker .marker-hotspot {
        width: 50px;
        height: 50px;
    }

    .stone-marker .marker-hotspot {
        width: 45px;
        height: 35px;
    }

    .maple-leaf {
        width: 40px;
        height: 40px;
    }

    .tree-marker .marker-label,
    .stone-marker .marker-label {
        font-size: 0.8rem;
        padding: 7px 14px;
    }

    .popup-header h3 {
        font-size: 1.4rem;
    }

    .popup-description {
        font-size: 1rem;
    }

    .popup-project strong {
        font-size: 1.05rem;
    }

    .popup-project p {
        font-size: 0.95rem;
    }
}