/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #18181B;
    --bg-secondary: #10100D;
    --bg-card: #27272A;
    --text-primary: #FAFAFA;
    --text-secondary: #A1A1AA;
    --accent-blue: #2563EB;
    --accent-blue-dark: #1E40AF;
    --accent-blue-light: #3B82F6;
    --border-color: #3F3F46;
    --gradient-1: rgba(37, 99, 235, 0.3);
    --gradient-2: rgba(168, 85, 247, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(24, 24, 27, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: var(--accent-blue-light);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-blue);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-blur {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.gradient-blur-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: 10%;
    left: 10%;
}

.gradient-blur-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: 10%;
    right: 10%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-profile-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-blue);
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.4);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.hero-profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(37, 99, 235, 0.6);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.text-accent {
    color: var(--accent-blue);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--accent-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-outline:hover {
    background-color: var(--accent-blue);
    color: white;
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-divider {
    width: 80px;
    height: 4px;
    background-color: var(--accent-blue);
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: var(--bg-primary);
}

.about-grid {
    display: block;
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-card);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.profile-image {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.profile-image:hover {
    transform: scale(1.05);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

/* Core Competencies Section */
.competencies {
    background-color: var(--bg-secondary);
}

.competencies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.competency-card {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.competency-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.competency-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.competency-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.competency-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.competency-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Skills Section */
.skills {
    background-color: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-blue);
}

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

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

/* Projects Section */
.projects {
    background-color: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background-color: var(--bg-card);
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder svg {
    width: 80px;
    height: 80px;
    color: var(--text-secondary);
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-secondary);
    color: var(--accent-blue);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.project-stats {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stat-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.project-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--accent-blue-light);
    letter-spacing: 1px;
}

.projects-footer {
    text-align: center;
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-heading {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-text {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent-blue);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 48px;
    height: 48px;
    background-color: var(--bg-card);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-3px);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Education & Certifications Section */
.education {
    background-color: var(--bg-primary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.education-category {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.education-heading {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--accent-blue);
}

.education-heading svg {
    width: 32px;
    height: 32px;
}

.education-items {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.education-card {
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
    border-left: 4px solid var(--accent-blue);
    transition: all 0.3s ease;
}

.education-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.education-year {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background-color: var(--accent-blue);
    color: white;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.education-degree {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.education-institution {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.education-location {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.certification-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.certification-card:hover {
    border-color: var(--accent-blue);
    transform: scale(1.02);
}

.certification-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.certification-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.certification-content {
    flex: 1;
}

.certification-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.certification-institution {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.certification-details {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
}

.certification-location,
.certification-year {
    color: var(--text-secondary);
}

.certification-year {
    color: var(--accent-blue);
    font-weight: 600;
}

/* Footer */
.footer {
    background-color: var(--bg-primary);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
    color: var(--text-secondary);
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 2rem 0;
        border-bottom: 1px solid var(--border-color);
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding-top: 100px;
    }

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

    .hero-profile-image {
        width: 150px;
        height: 150px;
        margin-bottom: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .stat-number {
        font-size: 2rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }
}