:root {
    /* Color Palette */
    --bg-color: #0f172a; /* Slate 900 */
    --surface-color: rgba(30, 41, 59, 0.7); /* Slate 800 with opacity */
    --surface-light: rgba(255, 255, 255, 0.05);
    --text-primary: #f8fafc; /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    
    /* Accents */
    --accent-1: #8b5cf6; /* Violet */
    --accent-2: #ec4899; /* Pink */
    --accent-3: #3b82f6; /* Blue */
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
}

.gradient-text {
    background: linear-gradient(to right, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Glassmorphism utility */
.glass-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo span {
    color: var(--accent-2);
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(to right, var(--accent-1), var(--accent-2));
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/images/hero_bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--bg-color), transparent);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.avatar-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(45deg, var(--accent-1), var(--accent-2));
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--bg-color);
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.primary-btn {
    background: linear-gradient(45deg, var(--accent-1), var(--accent-3));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent-2);
}

.secondary-btn:hover {
    background: rgba(236, 72, 153, 0.1);
}

/* Layout Containers */
.section {
    padding: 6rem 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent-2);
    border-radius: 2px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 2rem;
}

.about-text h3, .skills h3 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag {
    background: var(--surface-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-1);
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.project-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-img-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-info {
    padding: 2rem;
}

.project-category {
    font-size: 0.85rem;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.project-info h3 {
    margin-bottom: 1rem;
}

.project-info p:not(.project-category) {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1.5s ease forwards;
}

.slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--bg-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 1.5rem 0;
    }

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

.styled-list {
    list-style: none;
    padding: 0;
}

.styled-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
}

.styled-list li strong {
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.styled-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-1);
    font-size: 1.2rem;
    line-height: 1;
}

.text-light {
    color: var(--text-primary) !important;
}