:root {
    --bg-color: #07090F;
    --accent-cyan: #00F0B5; /* Electric Mint */
    --accent-violet: #FF5E7E; /* Electric Coral */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --neon-glow-cyan: 0 0 15px rgba(0, 240, 181, 0.4);
    --neon-glow-violet: 0 0 15px rgba(255, 94, 126, 0.4);
    --font-main: 'Outfit', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    background-image: url("https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?auto=format&fit=crop&w=1920&q=80");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    /* Soft dark overlay to ensure text is always readable over bright parts of the image */
    background: radial-gradient(circle at 50% 50%, rgba(5, 5, 10, 0.2) 0%, rgba(5, 5, 10, 0.7) 100%);
}

#app-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
}

#connections-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

/* Ambient Glows */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.08;
    z-index: -2;
    pointer-events: none;
    will-change: transform;
}

.bg-glow-1 {
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: var(--accent-cyan);
    animation: float-glow 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.bg-glow-2 {
    bottom: -20%;
    right: -10%;
    width: 70vw;
    height: 70vw;
    background: var(--accent-violet);
    animation: float-glow 25s infinite alternate-reverse cubic-bezier(0.4, 0, 0.2, 1);
}

.bg-glow-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 60%);
    opacity: 0.05;
    animation: pulse-glow 15s infinite alternate ease-in-out;
}

@keyframes float-glow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(3vw, 3vw) scale(1.1); }
}

@keyframes pulse-glow {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.04; }
    100% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.07; }
}

/* Mind Map System */
#mind-map {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

.node {
    position: absolute;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    z-index: 20;
    will-change: transform, left, top;
}

.node:hover {
    transform: scale(1.05); /* slightly less scale to not jump too much */
    z-index: 30;
}

/* Identity Node (Center) */
.identity-node {
    width: 350px;
    background: rgba(10, 12, 18, 0.5); /* Semi-transparent to let image through */
    backdrop-filter: blur(28px);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), var(--neon-glow-cyan);
    animation: pulse-border 4s infinite alternate;
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    cursor: pointer;
}

.identity-node.shrunk {
    transform: scale(0.85);
}

.identity-node:hover {
    transform: none;
}

.identity-node.shrunk:hover {
    transform: scale(0.85);
}

/* Explore Prompt */
.explore-prompt {
    margin-top: 20px;
    color: var(--accent-cyan);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: opacity 0.4s ease, max-height 0.4s ease, margin 0.4s ease;
    max-height: 50px;
    opacity: 1;
    overflow: hidden;
}

.identity-node.shrunk .explore-prompt {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.pulse-icon {
    margin-left: 8px;
    display: inline-block;
    animation: bounce-y 1s infinite alternate;
}

@keyframes bounce-y {
    0% { transform: translateY(0); }
    100% { transform: translateY(-4px); } /* Bounce up slightly */
}

.profile-frame {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 16px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-cyan);
    position: relative;
    z-index: 2;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--accent-cyan);
    opacity: 0;
    animation: pulse-ring-anim 2s infinite;
}

@keyframes pulse-ring-anim {
    0% { width: 100%; height: 100%; opacity: 0.8; }
    100% { width: 160%; height: 160%; opacity: 0; }
}

@keyframes pulse-border {
    0% { border-color: rgba(0, 240, 181, 0.2); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 10px rgba(0, 240, 181, 0.2); }
    100% { border-color: var(--accent-cyan); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 240, 181, 0.5); }
}

.identity-info h1 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
    color: #fff;
}

.subtitle {
    color: var(--accent-cyan);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Satellite Nodes */
.satellite-node {
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(10, 12, 18, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    gap: 12px;
    color: var(--text-secondary);
    border-radius: 30px;
    gap: 12px;
    color: var(--text-secondary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, box-shadow 0.3s ease, border-color 0.3s ease, transform 0.4s ease;
}

.satellite-node.visible {
    opacity: 1;
    pointer-events: auto;
}

.satellite-node:hover {
    color: #fff;
    border-color: var(--accent-violet);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3), var(--neon-glow-violet);
}

.satellite-node i {
    font-size: 2.3rem;
    transition: transform 0.3s ease;
}

.satellite-node span {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.satellite-node:hover i {
    transform: translateY(-5px) scale(1.1);
    color: var(--accent-violet);
}

/* Popup Overlay */
#popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 8, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

.glass-card {
    background: rgba(10, 12, 18, 0.55);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(35px);
    border-radius: 40px;
    width: 90%;
    max-width: 450px;
    padding: 40px;
    position: relative;
    transform: perspective(1000px) rotateY(-90deg) scale(0.8);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    will-change: transform;
}

#popup-overlay.active .glass-card {
    transform: perspective(1000px) rotateY(0deg) scale(1);
}

#close-popup {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: 0.3s;
}

#close-popup:hover {
    color: #fff;
    transform: rotate(90deg);
}

.popup-header {
    text-align: center;
    margin-bottom: 24px;
}

.popup-icon-wrapper {
    width: 70px;
    height: 70px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
    color: var(--accent-violet);
    font-size: 1.8rem;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.popup-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: #fff;
}

.popup-content p {
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
    margin-bottom: 24px;
}

.popup-image-container {
    width: 100%;
    height: 180px;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 30px;
    border: 1px solid var(--glass-border);
}

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

.popup-footer {
    display: flex;
    justify-content: center;
}

.cyber-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
    color: #000;
    text-decoration: none;
    border-radius: 100px;
    font-weight: 700;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.cyber-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 94, 126, 0.4);
    color: #fff;
}

/* Navigation Bar */
.top-nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 0 0 15px rgba(255,255,255,0.2);
}

.glass-card-mini {
    background: rgba(10, 12, 18, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.glass-card-mini:hover {
    background: rgba(10, 12, 18, 0.6);
    border-color: var(--accent-violet);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), var(--neon-glow-violet);
}

.card-details {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.cv-title {
    color: #fff;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.cv-size {
    color: var(--accent-cyan);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.download-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 245, 255, 0.1);
    color: var(--accent-cyan);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    border: 1px solid rgba(0, 245, 255, 0.3);
    transition: 0.3s;
}

.glass-card-mini:hover .download-icon {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
    color: #000;
    border: none;
    box-shadow: 0 0 15px var(--accent-violet);
}

/* Identity / Business Card Overlay */
#identity-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 9, 15, 0.85);
    backdrop-filter: blur(10px);
    z-index: 150;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

#identity-popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

#identity-popup-overlay.active .b-card {
    transform: perspective(1000px) rotateY(0deg) scale(1);
}

.b-card {
    width: 90%;
    max-width: 650px;
    padding: 0; /* No padding so waves reach edge */
    overflow: hidden;
    background: rgba(10, 12, 18, 0.6);
    backdrop-filter: blur(35px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    transform: perspective(1000px) rotateY(-90deg) scale(0.8);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    will-change: transform;
}

.b-card-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.b-card-waves {
    position: absolute;
    bottom: -10px;
    right: -20px;
    width: 140%;
    z-index: 1;
    pointer-events: none;
}

.b-card-layout {
    display: flex;
    padding: 50px 50px 30px 50px;
    position: relative;
    z-index: 2;
    min-height: 280px;
}

.b-card-left {
    flex: 1.4;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.b-card-name {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 5px;
}

.b-card-title {
    color: var(--accent-cyan);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 1px;
}

.b-card-divider {
    width: 60px;
    height: 2px;
    background: var(--accent-cyan);
    margin: 20px 0 30px 0;
    box-shadow: 0 0 10px var(--accent-cyan);
}

.b-card-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.b-card-contact li {
    display: flex;
    align-items: center;
    gap: 15px;
}

.c-icon-wrapper {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-cyan);
    color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    box-shadow: 0 0 10px var(--accent-cyan);
    flex-shrink: 0;
}

.c-text-wrapper {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: #f0f0ff;
    line-height: 1.4;
    font-family: var(--font-main);
}

.b-card-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.b-card-img-container {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 6px solid var(--accent-cyan);
    padding: 6px;
    background: rgba(10, 12, 18, 0.6);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.6), inset 0 0 15px rgba(0, 240, 181, 0.3);
    position: relative;
    z-index: 5;
}

.b-card-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.b-card-footer {
    padding: 0 50px 40px 50px;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-start;
}

#identity-download-btn {
    padding: 14px 35px;
    font-size: 0.95rem;
}

#close-identity-popup {
    position: absolute;
    top: 25px;
    right: 30px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: 0.3s;
    z-index: 10;
}

#close-identity-popup:hover {
    color: #fff;
    transform: rotate(90deg);
}

/* Responsiveness */
@media (max-width: 768px) {
    #mind-map {
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
        justify-content: flex-start;
        padding: 50px 20px;
    }

    .top-nav {
        padding: 20px;
        flex-direction: column;
        gap: 20px;
        position: relative; /* to flow naturally on mobile */
    }

    .card-details {
        text-align: left;
    }

    .glass-card-mini {
        width: 100%;
        justify-content: center;
    }

    .node {
        position: relative !important;
        left: unset !important;
        top: unset !important;
        margin-bottom: 40px;
        transform: none !important;
        width: 100% !important;
        max-width: 320px;
        opacity: 1 !important; /* ensure visibility if layout breaks, but we will handle via visible class */
    }

    .identity-node {
        order: -1;
    }
    
    .satellite-node {
        flex-direction: row;
        height: 100px;
        padding: 0 30px;
        justify-content: flex-start;
        border-radius: 24px;
        margin-left: auto;
        margin-right: auto;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-20px) !important;
    }
    
    .satellite-node.visible {
        opacity: 1 !important;
        pointer-events: auto !important;
        transform: translateY(0) !important;
    }

    .satellite-node i {
        overflow-y: auto;
    }

    #connections-canvas {
        display: none;
    }

    body {
        overflow-y: auto;
    }

    .b-card-layout {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
        padding: 40px 20px 20px 20px;
    }
    
    .b-card-right {
        margin-bottom: 25px;
    }
    
    .b-card-img-container {
        width: 160px;
        height: 160px;
        border-width: 4px;
    }

    .b-card-contact li {
        text-align: left;
    }

    .b-card-divider {
        margin: 15px auto 25px auto;
    }

    .b-card-footer {
        padding: 0 20px 30px 20px;
        justify-content: center;
    }
}