:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #f59e0b;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #94a3b8;
    --dark-gray: #64748b;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.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-color: var(--secondary);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background-color: rgba(248, 250, 252, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

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

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

.nav-links a {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%), 
    url('./src/PBI\ Report.jpg') no-repeat center center/cover;
    position: relative;
}

.hero-content {
    max-width: 600px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-subtitle::before {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

.hero-image {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 35%;
    max-width: 600px;
    z-index: 1;
}

.hero-image img {
    width: 70%;
    height: auto;
    margin-bottom: 10rem;
    border-radius: 100%;
    object-fit: contain;
}

/* About Section */
.about {
    background-color: white;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1.5rem;
    color: var(--dark-gray);
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.about-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.about-detail-item i {
    color: var(--primary);
    font-size: 1.2rem;
    margin-top: 3px;
}

.skills {
    margin-top: 2rem;
}

.skill-item {
    margin-bottom: 1rem;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.skill-bar {
    height: 8px;
    background-color: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--primary);
    border-radius: 4px;
    transition: width 1s ease;
}

/* Experience Section */
.experience {
    background-color: #f1f5f9;
}

.experience-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.experience-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 12px 24px;
    background-color: transparent;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.job {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.job:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.job-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.job-title {
    font-size: 1.3rem;
    color: var(--primary);
}

.job-company {
    font-weight: 600;
    margin-bottom: 5px;
}

.job-date {
    color: var(--gray);
    font-size: 0.9rem;
}

.job-responsibilities {
    margin-top: 1rem;
}

.job-responsibilities li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

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

/* Projects Section */
.projects {
    background-color: white;
}

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

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tag {
    background-color: #e0e7ff;
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

/* Education Section */
.education {
    background-color: #f1f5f9;
}

.education-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.education-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.education-degree {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.education-institution {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-date {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.education-description {
    color: var(--dark-gray);
}

/* Contact Section */
.contact {
    background-color: white;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: #e0e7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.contact-text h3 {
    margin-bottom: 5px;
}

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

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.footer-copyright {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* Responsive Styles */
/* @media (max-width: 992px) {
    .hero-image {
        width: 700%;
        position: relative;
    }

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

    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
} */

@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding-top: 3rem;
        transition: var(--transition);
    }

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

    .hamburger {
        display: block;
    }

    .hero {
        height: auto;
        padding: 120px 0 80px;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        justify-content: center;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-image {
        position: relative;
        width: 100%;
        margin-top: 3rem;
    }
    .hero-container {
        display: flex;
        flex-direction:column;
    }
    .section-title {
        font-size: 2rem;
    }

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

    .experience-tabs {
        flex-wrap: wrap;
    }

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

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-btns {
        flex-direction: column;
        gap: 1rem;
    }

    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}