:root {
    --bg-dark: #0a0a0c;
    --neon-blue: #00d2ff;
    --neon-purple: #9d50bb;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    cursor: none;
}

/* Background Elements */
.bg-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-dark);
}
.blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.2;
    z-index: 1;
}
.blob-1 {
    background: var(--neon-blue);
    top: -10%;
    left: -10%;
    animation: float-blob 20s infinite alternate;
}
.blob-2 {
    background: var(--neon-purple);
    bottom: -10%;
    right: -10%;
    animation: float-blob 25s infinite alternate-reverse;
}
.blob-3 {
    background: #ff007f; /* Neon Hot Pink */
    top: 40%;
    left: 50%;
    width: 400px;
    height: 400px;
    animation: float-blob 30s infinite linear;
}

@keyframes float-blob {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(100px, 150px) scale(1.1); }
    66% { transform: translate(-50px, 200px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 2;
    mask-image: radial-gradient(circle at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 0%, transparent 80%);
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.loader-content {
    text-align: center;
}
.loader-text {
    font-size: 0.8rem;
    letter-spacing: 5px;
    color: var(--neon-blue);
    margin-bottom: 20px;
    display: block;
}
.loader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}
.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    animation: loading 1.5s infinite;
}
@keyframes loading {
    to { left: 100%; }
}

/* Cursor */
.cursor-glow {
    position: fixed;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, var(--neon-blue) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    mix-blend-mode: screen;
    opacity: 0.6;
    transition: width 0.3s, height 0.3s, opacity 0.3s;
}

/* Progress Bar */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 1001;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    width: 0%;
}

/* Layout */
.panel {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    overflow: hidden;
    scroll-snap-align: start;
}

.content {
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 10;
}

/* Typography */
.title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.subtitle {
    font-size: 1.2rem;
    color: var(--neon-blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}
.section-title {
    font-size: 0.9rem;
    color: var(--neon-purple);
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 40px;
}
.gradient-text {
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple), var(--neon-blue));
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 3s linear infinite;
}
.neon-glow {
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.3), 0 0 20px rgba(0, 210, 255, 0.1);
}
@keyframes shine {
    to { background-position: 200% center; }
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}
.glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: 0.5s;
}
.glass:hover::after {
    left: 100%;
}
.glass:hover {
    border-color: var(--neon-blue);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.2), inset 0 0 10px rgba(0, 210, 255, 0.1);
}

/* Hero Section */
#hero {
    background: radial-gradient(circle at 50% 50%, #1a1a2e 0%, #0a0a0c 100%);
}
#hero::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle at center, var(--neon-blue) 0%, transparent 60%);
    opacity: 0.1;
    filter: blur(100px);
    animation: pulse 10s infinite alternate;
}
@keyframes pulse {
    from { transform: translate(-10%, -10%) scale(1); }
    to { transform: translate(10%, 10%) scale(1.1); }
}

.user-info {
    margin: 30px 0;
    font-size: 1.1rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--neon-blue);
    padding-left: 20px;
    background: rgba(0, 210, 255, 0.03);
    padding-top: 10px;
    padding-bottom: 10px;
    box-shadow: -10px 0 20px rgba(0, 210, 255, 0.05);
}
.user-info p {
    margin: 8px 0;
}
.special-font {
    font-family: 'Orbitron', sans-serif;
    color: var(--neon-blue);
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}

.glow-btn {
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--text-primary);
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}
.glow-btn:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 30px var(--neon-blue);
    color: #000;
    transform: scale(1.05);
}
.glow-btn {
    animation: btn-pulse 2s infinite alternate;
}
@keyframes btn-pulse {
    from { box-shadow: 0 0 5px var(--neon-blue); }
    to { box-shadow: 0 0 20px var(--neon-blue); }
}

/* Empathize Section */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.problem-card h3 {
    margin: 20px 0 10px;
    font-size: 1.2rem;
}
.problem-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}
.icon-box {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px;
    color: white;
}
.icon-box svg {
    width: 100%;
    height: 100%;
}

.slide-subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
    font-weight: 600;
}

.section-insight {
    margin-top: 40px;
    font-style: italic;
    color: var(--neon-purple);
    text-align: center;
    font-size: 1.1rem;
}

/* Define Section */
.problem-statement {
    max-width: 800px;
    margin: 0 auto;
}
.reveal-text {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
}
.reveal-text span {
    color: var(--neon-blue);
}

/* Ideate Section */
.solution-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.solution-card h3 {
    color: var(--neon-blue);
    margin-bottom: 10px;
    transition: text-shadow 0.3s;
}
.solution-card:hover h3 {
    text-shadow: 0 0 15px var(--neon-blue);
}

/* Prototype Section */
.node-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 50px;
}
.node {
    text-align: center;
    width: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.node-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}
.pulse-line {
    flex-grow: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    margin: 0 20px;
    position: relative;
}
.pulse-line::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--neon-blue);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    animation: move-point 2s infinite linear;
}
@keyframes move-point {
    0% { left: 0; opacity: 0; }
    50% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

.prototype-features {
    margin-top: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.prototype-features ul {
    list-style: none;
    display: flex;
    justify-content: space-around;
}
.prototype-features li {
    position: relative;
    padding-left: 20px;
}
.prototype-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--neon-blue);
}

/* Timeline */
.timeline {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.timeline-item {
    flex: 1;
    min-width: 250px;
}
.timeline-item .time {
    font-size: 0.8rem;
    color: var(--neon-purple);
    font-weight: 700;
}

/* Insights */
.reflection-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 50px;
}
.reflection-card h3 {
    color: var(--neon-blue);
    margin-bottom: 15px;
    font-size: 1.5rem;
}
.reflection-card p {
    line-height: 1.6;
    color: var(--text-secondary);
}

.infographic {
    display: flex;
    justify-content: space-around;
    gap: 30px;
}
.info-stat {
    text-align: center;
    flex: 1;
}
.info-stat .range {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--neon-blue);
    display: block;
    text-align: center;
}
.info-stat .number {
    display: inline;
}
.info-stat .label {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

/* Thank You */
#thankyou {
    text-align: center;
}
.thanks-text {
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 800;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.final-glow {
    position: absolute;
    bottom: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.1) 0%, transparent 60%);
    filter: blur(100px);
}

.top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    z-index: 1002;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--neon-blue);
    cursor: pointer;
    opacity: 0;
    scale: 0;
    transition: box-shadow 0.3s, border-color 0.3s;
}
.top-btn:hover {
    box-shadow: 0 0 20px var(--neon-blue);
}

/* Utilities */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0.7;
}
.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 2px;
}
.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid #fff;
    border-radius: 20px;
    margin: 10px auto;
    position: relative;
}
.mouse::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    background: var(--neon-blue);
    left: 50%;
    top: 8px;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll-wheel 2s infinite;
}
@keyframes scroll-wheel {
    0% { opacity: 0; transform: translate(-50%, 0); }
    50% { opacity: 1; transform: translate(-50%, 8px); }
    100% { opacity: 0; transform: translate(-50%, 16px); }
}

/* Responsiveness */
@media (max-width: 768px) {
    .node-container {
        flex-direction: column;
        gap: 30px;
    }
    .pulse-line {
        width: 2px;
        height: 50px;
        margin: 10px 0;
    }
    .solution-container {
        grid-template-columns: 1fr;
    }
    .infographic {
        flex-direction: column;
    }
}