/* ========== VARIABLES ========== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--gray);
    font-weight: 500;
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: 0.3s;
}
/* ========== NAVBAR MOBILE ========== */
/* Mobile Navigation Container */
.container.mobile-nav-links {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
}

.container.mobile-nav-links.active {
    max-height: 400px; /* Adjust based on content */
    opacity: 1;
}

/* Mobile Nav Links */
.mobile-nav-links ul.nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 15px;
    align-items: center;
    padding-top: 20px;
    padding-bottom: 20px;
}

.mobile-nav-links .nav-links li {
    width: 100%;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
    transition: background 0.3s ease, transform 0.3s ease;
}

.mobile-nav-links .nav-links li:hover {
    background: var(--primary);
    transform: scale(1.02);
}

.mobile-nav-links .nav-links li a {
    transition: color 0.3s ease;
}

.mobile-nav-links .nav-links li:hover a {
    color: var(--white);
}
/* ========== NAVBAR MOBILE ========== */
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
    background: linear-gradient(135deg, var(--dark-light) 0%, var(--dark) 100%);
    min-height: 200px;
}

/* Loading animation */
.project-image img[src*="microlink"] {
    background: linear-gradient(
        90deg,
        var(--dark-light) 25%,
        var(--dark) 50%,
        var(--dark-light) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: radial-gradient(ellipse at top right, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.greeting {
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2 {
    font-size: 1.5rem;
    color: var(--gray);
    font-weight: 400;
    margin-bottom: 15px;
}

.tagline {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.tagline .highlight {
    color: var(--primary);
    font-weight: 600;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

/* ========== SECTIONS ========== */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* ========== ABOUT ========== */
.about {
    background: var(--dark-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-text strong {
    color: var(--primary);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.highlight-card {
    background: var(--dark);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s;
}

.highlight-card:hover {
    transform: translateY(-5px);
}

.highlight-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.highlight-card h4 {
    margin-bottom: 5px;
}

.highlight-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========== SKILLS ========== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-category {
    background: var(--dark-light);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-category h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category h3 i {
    color: var(--primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tags span {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* ========== PROJECTS ========== */
.projects {
    background: var(--dark-light);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--dark);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card.featured {
    border: 1px solid var(--primary);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(99, 102, 241, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.project-info {
    padding: 25px;
}

.project-tag {
    background: var(--gradient);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-info h3 {
    margin: 15px 0 10px;
}

.project-info p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--gray);
}

/* More Projects */
.more-projects {
    margin-top: 60px;
    text-align: center;
}

.more-projects h3 {
    margin-bottom: 30px;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.project-links a {
    background: var(--dark);
    padding: 10px 20px;
    border-radius: 8px;
    color: var(--gray);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.project-links a:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* ========== EXPERIENCE ========== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient);
}

.timeline-item {
    padding-left: 40px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--dark);
}

.timeline-content {
    background: var(--dark-light);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-date {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.timeline-content h3 {
    margin: 10px 0 5px;
}

.timeline-content h4 {
    color: var(--gray);
    font-weight: 400;
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.timeline-content ul {
    color: var(--gray);
}

.timeline-content li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.timeline-content li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* ========== CONTACT ========== */
.contact {
    background: var(--dark-light);
    text-align: center;
}

.contact-subtitle {
    color: var(--gray);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.contact-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-card {
    background: var(--dark);
    padding: 40px;
    border-radius: 16px;
    min-width: 250px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.contact-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.contact-card h4 {
    margin-bottom: 10px;
}

.contact-card p {
    color: var(--gray);
}

/* ========== FOOTER ========== */
.footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: var(--gray);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cards {
        flex-direction: column;
        align-items: center;
    }
}