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

:root {
    --primary-color: #111827;
    --secondary-color: #6b7280;
    --accent-color: #667eea;
    --background-color: #ffffff;
    --surface-color: #f9fafb54;
    --border-color: #5a5d68;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --skill-item-bg: hsl(240 4.8% 95.9%);
}

[data-theme="dark"] {
    --primary-color: hsl(240 4.8% 95.9%);
    --secondary-color: #9ca3af;
    --background-color: hsla(240, 10%, 4%, 1);
    --surface-color: hsla(240, 10%, 4%, 1);
    --border-color: #c4c8cc;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --skill-item-bg: hsl(240 3.7% 15.9%);
}

body {
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    transition: all 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-family: "Poppins", "Segoe UI", Roboto, sans-serif;
}

/* Header Banner */
.header-banner {
    background: var(--gradient);
    padding: 12px 0;
    text-align: center;
}

.banner-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.banner-text {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.view-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.view-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px); 
      -webkit-backdrop-filter: blur(10px);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;

}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 1.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s ease;
    position: relative;
}

.nav-menu a::after {
    content: "";
    position: absolute;
    width: 0%;
    height: 2px;
    background-color: var(--text-primary);
    top: 100%;
    left: 0;
    transition: width 0.3s;
}

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

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

.toogle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--surface-color);
    color: var(--text-primary);
}

.mobile-menu-toggle {
    display: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    padding: 80px 0 50px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-weight: 400;
}

.contact-info {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-item i {
    font-size: 12px;
    width: 16px;
}

.hero-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.resume-btn {
    background: var(--primary-color);
    color: var(--background-color);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.resume-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.social-link:hover {
    background-color: #9ca3af;
    color: var(--text-primary);
    transform: translateY(-1px);
}


/* Skills Section */
.container {
    max-width: 1100px;
    padding: 0 20px;
}

.skills {
    padding: 60px 0;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.section-para {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.skill-category {
    margin: 3rem 0;
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.skill-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.skill-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--skill-item-bg);
    margin-bottom: 0.6rem;

}

.skill-item img {
    width: 20px;
    height: 20px;
}

.skill-items p {
    font-size: 0.8rem;
    margin: 0;
    text-align: center;
}

/* Projects Section */
.projects {
    padding: 60px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--background-color);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

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

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

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

.project-content {
    padding: 24px;
}

.project-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-tag {
    background: var(--surface-color);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}


.project-link {
    background-color: var(--text-primary);
    text-decoration: none;
    color: var(--background-color);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

/* Contact Section */
.contact {
    padding: 60px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.contact-info-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.contact-detail i {
    width: 20px;
    color: var(--text-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--background-color);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--background-color);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    transform: translateY(-1px);
}

/* Footer */
.footer {
    background: var(--surface-color);
    padding: 25px 0;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .banner-content {
        flex-direction: column;
        gap: 12px;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding: 40px 0 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .contact-info {
        flex-direction: column;
        gap: 12px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .experience-header,
    .education-header {
        flex-direction: column;
        gap: 16px;
    }

    .experience-meta,
    .education-meta {
        text-align: left;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {

    .main-content,
    .nav-container {
        padding: 0 14px;
    }

    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

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

    .project-card {
        margin: 0 -16px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.hero,
.experience-item,
.education-item,
.project-card {
    animation: fadeInUp 0.6s ease-out;
}