:root {
    /* Premium Dark Theme Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-accent: #3b82f6;
    /* Professional Blue */

    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --nav-bg: rgba(10, 10, 10, 0.8);

    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --max-width: 1200px;

    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Utilities */
.section-padding {
    padding: 3.5rem 0;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

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

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

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    /* Offset for fixed navbar */
    background: radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08), transparent 25%);
}

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

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 300;
}

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

/* Sections General */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* About Section */
.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--text-accent);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

/* Metrics Section */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.metric-card {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-accent);
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin-top: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-accent);
    box-shadow: 0 0 0 5px rgba(59, 130, 246, 0.2);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--text-accent);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.timeline-content .company {
    display: block;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.timeline-content p {
    color: var(--text-secondary);
}

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

.project-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

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

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

.project-tags span {
    font-size: 0.8rem;
    color: var(--text-accent);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

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

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

.contact-links a {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.contact-links a:hover {
    color: var(--text-accent);
}

.contact-links i {
    font-size: 1.25rem;
    width: 24px;
}

.contact-form {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-accent);
    background: rgba(59, 130, 246, 0.05);
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

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

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .nav-links li {
        margin: 16px 0;
    }

    .hero-title {
        font-size: 3rem;
    }
}

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

.testimonial-card {
    background-color: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
}

.testimonial-quote {
    font-size: 1.5rem;
    color: var(--text-accent);
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.testimonial-author h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 5% auto;
    padding: 0;
    border: 1px solid var(--text-accent);
    width: 90%;
    max-width: 800px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.close-modal {
    color: var(--text-secondary);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-accent);
}

.modal-body {
    padding: 2rem;
}

.modal-section {
    margin-bottom: 2rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: 1.1rem;
    color: var(--text-accent);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-section p,
.modal-section li {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.modal-section ul {
    list-style-type: disc;
    padding-left: 1.5rem;
}

.modal-section li {
    margin-bottom: 0.5rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

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