/* Reset and Base Styles */
:root {
    --bg-dark: #0b0f19;
    --card-bg: rgba(17, 25, 40, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-blue: #00f2fe;
    --accent-purple: #4facfe;
    --accent-glow: rgba(0, 242, 254, 0.15);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Glow Effects */
.glow-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-1, .glow-2, .glow-3 {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.glow-1 {
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-blue) 0%, rgba(0, 242, 254, 0) 70%);
}

.glow-2 {
    top: 40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #7f00ff 0%, rgba(127, 0, 255, 0) 70%);
}

.glow-3 {
    bottom: -10%;
    right: 15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-purple) 0%, rgba(79, 172, 254, 0) 70%);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    background: rgba(11, 15, 25, 0.7);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.logo span {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transition: var(--transition-smooth);
}

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

/* Main Layout */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0 6rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--accent-blue);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #0b0f19;
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Visual Card */
.hero-visual {
    display: flex;
    justify-content: center;
}

.visual-card-wrapper {
    position: relative;
    width: 100%;
    max-width: 420px;
}

.visual-card-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 12px;
    z-index: -1;
    opacity: 0.6;
    filter: blur(8px);
}

.visual-card {
    background: #0d1321;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.card-header {
    background: #141c2f;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    display: inline-block;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.file-name {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: monospace;
    margin-left: 10px;
}

.card-body {
    padding: 1.5rem;
    font-family: 'Fira Code', monospace, sans-serif;
    font-size: 0.85rem;
    overflow-x: auto;
}

/* Code Syntax Highlighting styles */
.keyword { color: #ff79c6; }
.function { color: #50fa7b; }
.string { color: #f1fa8c; }
.tag { color: #ff79c6; }
.tag-name { color: #8be9fd; }
.attr { color: #50fa7b; }

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: left;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.1);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(79, 172, 254, 0.1));
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-box i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skill-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(79, 172, 254, 0.3);
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.15);
}

.project-image {
    height: 240px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-placeholder-icon {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.85);
    filter: drop-shadow(0 8px 16px rgba(0,0,0,0.3));
}

.project-info {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-tag {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.project-link i {
    transition: var(--transition-smooth);
}

.project-card:hover .project-link i {
    transform: translateX(5px);
}

/* Contact Section */
.contact-section {
    display: flex;
    justify-content: center;
}

.contact-card {
    background: linear-gradient(135deg, rgba(17, 25, 40, 0.8) 0%, rgba(20, 10, 45, 0.5) 100%);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 4rem 3rem;
    text-align: center;
    max-width: 800px;
    width: 100%;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.contact-card h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

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

.contact-links {
    display: flex;
    justify-content: center;
}

.contact-item {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* Footer & ICP */
footer {
    border-top: 1px solid var(--card-border);
    background: rgba(7, 10, 18, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.icp-info a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.icp-info a:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.icp-info i {
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .description {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* simple hidden for mobile, keeping it clean */
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-card {
        padding: 3rem 1.5rem;
    }
}