:root {
    --primary: #C78E6C;
    --secondary: #E6CFC3;
    --dark: #1B1A2E;
    --darker: #13121F;
    --light: #F4F1EE;
    --gray: #8892b0;
    --purple: #9B8BB4;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
    cursor: none;
}

/* Custom Cursor */
.cursor, .cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor {
    width: 10px;
    height: 10px;
    background: var(--primary);
    transition: transform 0.1s;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    opacity: 0.5;
    transition: all 0.15s ease-out;
}

.cursor.expand {
    transform: scale(2);
}

/* Animated Background */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
    z-index: 0;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--purple), var(--secondary));
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -50px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: rgba(19, 18, 31, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(199, 142, 108, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(19, 18, 31, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-menu a {
    color: var(--gray);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Project Hero */
.project-hero {
    padding: 150px 0 80px;
    text-align: left;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--gray);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    transition: color 0.3s, transform 0.3s;
}

.back-link:hover {
    color: var(--primary);
    transform: translateX(-5px);
}

.project-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(199, 142, 108, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.project-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--light), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.project-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    padding: 0.5rem 1rem;
    background: rgba(230, 207, 195, 0.1);
    border: 1px solid rgba(230, 207, 195, 0.3);
    border-radius: 5px;
    color: var(--secondary);
    font-size: 0.85rem;
    transition: all 0.3s;
}

.tech-tag:hover {
    background: rgba(230, 207, 195, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 207, 195, 0.3);
}

/* Project Content */
.project-content {
    padding: 80px 0;
}

.content-block {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s forwards;
}

.content-block:nth-child(2) { animation-delay: 0.1s; }
.content-block:nth-child(3) { animation-delay: 0.2s; }
.content-block:nth-child(4) { animation-delay: 0.3s; }

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

.content-block h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.content-block h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), transparent);
}

.content-block p {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(199, 142, 108, 0.1);
    border-radius: 15px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(199, 142, 108, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--light);
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

/* Tech Details */
.tech-detail {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--primary);
    border-radius: 5px;
}

.tech-detail h3 {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.tech-detail ul {
    list-style: none;
    padding-left: 0;
}

.tech-detail li {
    color: var(--gray);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.tech-detail li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

.tech-detail li strong {
    color: var(--light);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.result-card {
    text-align: center;
    padding: 2rem;
    background: rgba(199, 142, 108, 0.05);
    border: 1px solid rgba(199, 142, 108, 0.2);
    border-radius: 15px;
    transition: all 0.3s;
}

.result-card:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(199, 142, 108, 0.3);
}

.result-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.result-label {
    color: var(--gray);
    font-size: 0.95rem;
}

.result-description {
    margin-top: 1.5rem;
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.7;
}

/* Challenge Items */
.challenge-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(155, 139, 180, 0.05);
    border: 1px solid rgba(155, 139, 180, 0.2);
    border-radius: 10px;
}

.challenge-item h3 {
    color: var(--purple);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.challenge-item p {
    color: var(--gray);
    font-size: 1rem;
}

/* Lists */
.future-list, .process-list {
    list-style: none;
    padding-left: 0;
}

.future-list li, .process-list li {
    color: var(--gray);
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.future-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

.process-list li::before {
    content: counter(item);
    counter-increment: item;
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: var(--dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.process-list {
    counter-reset: item;
}

/* Disease Grid */
.disease-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.disease-item {
    padding: 1rem;
    background: rgba(199, 142, 108, 0.05);
    border: 1px solid rgba(199, 142, 108, 0.2);
    border-radius: 8px;
    color: var(--primary);
    text-align: center;
    transition: all 0.3s;
}

.disease-item:hover {
    background: rgba(199, 142, 108, 0.1);
    transform: translateY(-3px);
}

/* Comparison Table */
.comparison-table {
    margin: 2rem 0;
}

.metrics-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1rem;
}

.metrics-table thead {
    background: rgba(199, 142, 108, 0.1);
}

.metrics-table th {
    padding: 1rem;
    color: var(--primary);
    font-weight: 600;
    text-align: left;
    border-bottom: 2px solid rgba(199, 142, 108, 0.3);
}

.metrics-table td {
    padding: 1rem;
    color: var(--gray);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.metrics-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* API Section */
.api-section {
    margin: 2rem 0;
}

.api-endpoint {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    background: rgba(230, 207, 195, 0.05);
    border-left: 3px solid var(--secondary);
    border-radius: 5px;
    color: var(--gray);
    font-family: 'Courier New', monospace;
}

.api-endpoint strong {
    color: var(--secondary);
}

/* CTA Buttons */
.project-cta {
    margin-top: 4rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-button, .cta-button-secondary {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--dark);
    border: none;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(199, 142, 108, 0.4);
}

.cta-button-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.cta-button-secondary:hover {
    background: rgba(199, 142, 108, 0.1);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(199, 142, 108, 0.1);
    margin-top: 4rem;
}

.footer p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .cursor, .cursor-follower {
        display: none;
    }

    body {
        cursor: auto;
    }

    .project-title {
        font-size: 2rem;
    }

    .project-subtitle {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    .project-hero {
        padding: 120px 0 60px;
    }

    .project-cta {
        flex-direction: column;
    }

    .cta-button, .cta-button-secondary {
        width: 100%;
        justify-content: center;
    }
}