:root {
    --primary: #6366f1;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
/* Header & Navigation */
header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

    .logo i {
        font-size: 28px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

.nav-links {
    display: flex;
    list-style: none;
}

    .nav-links li {
        margin-left: 30px;
    }

    .nav-links a {
        text-decoration: none;
        color: var(--dark);
        font-weight: 500;
        transition: var(--transition);
        position: relative;
        padding: 5px 0;
    }

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

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

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: var(--transition);
        }

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

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

    .hamburger span {
        width: 25px;
        height: 3px;
        background-color: var(--dark);
        margin: 3px 0;
        transition: var(--transition);
        border-radius: 3px;
    }
/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

    .hero::before {
        content: '';
        position: absolute;
        top: -150px;
        right: -150px;
        width: 400px;
        height: 400px;
        border-radius: 50%;
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
        z-index: 0;
    }

    .hero::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: -100px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.1));
        z-index: 0;
    }

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.2;
}

    .hero-text h1 span {
        background: linear-gradient(90deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--gray);
}

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

.btn {
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

    .btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, var(--primary), var(--secondary));
        z-index: -1;
        transition: var(--transition);
    }

.btn-primary {
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    }

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

    .btn-outline::before {
        background: var(--primary);
    }

    .btn-outline:hover {
        color: var(--white);
    }

.hero-image {
    display: flex;
    justify-content: center;
    position: relative;
}

/* 3D Card Animation Styles */
.card-container {
    width: 400px;
    height: 400px;
    position: relative;
    perspective: 1000px;
}

.card {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 1s;
    cursor: pointer;
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    text-align: center;
}

.card-front {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.card-back {
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    color: var(--white);
    transform: rotateY(180deg);
}

.card-icon {
    font-size: 80px;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.card-description {
    font-size: 16px;
    line-height: 1.5;
}

.card-skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.skill-badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.card-container:hover .card {
    transform: rotateY(180deg);
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    opacity: 0.1;
    animation: float 6s infinite ease-in-out;
}

    .floating-element:nth-child(1) {
        top: 20%;
        left: 10%;
        font-size: 30px;
        color: var(--primary);
        animation-delay: 0s;
    }

    .floating-element:nth-child(2) {
        top: 60%;
        left: 80%;
        font-size: 24px;
        color: var(--secondary);
        animation-delay: 1s;
    }

    .floating-element:nth-child(3) {
        top: 40%;
        left: 70%;
        font-size: 28px;
        color: var(--accent);
        animation-delay: 2s;
    }

    .floating-element:nth-child(4) {
        top: 80%;
        left: 20%;
        font-size: 26px;
        color: var(--primary);
        animation-delay: 3s;
    }

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

/* Section Styling */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

    .section-title h2 {
        font-size: 2.5rem;
        color: var(--dark);
        position: relative;
        display: inline-block;
    }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
/* About Section */
.about-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

    .about-card::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 150px;
        height: 150px;
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
        border-radius: 0 0 0 150px;
    }

    .about-card p {
        font-size: 1.1rem;
        line-height: 1.8;
        color: var(--gray);
        position: relative;
        z-index: 1;
    }
/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

    .skill-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }

    .skill-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
    }

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.skill-list {
    list-style-type: none;
}

    .skill-list li {
        padding: 8px 0;
        color: var(--gray);
        display: flex;
        align-items: center;
        gap: 10px;
    }

        .skill-list li i {
            color: var(--primary);
            font-size: 0.8rem;
        }
/* Experience Section */
.experience-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.experience-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

    .experience-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }

    .experience-card::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 100px;
        height: 100px;
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
        border-radius: 0 0 0 100px;
    }

.experience-date {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.experience-title {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.experience-company {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 500;
}

.experience-description {
    color: var(--gray);
    margin-bottom: 20px;
}

.achievements {
    margin-top: 20px;
}

    .achievements h4 {
        margin-bottom: 10px;
        color: var(--dark);
    }

    .achievements ul {
        list-style-type: none;
        padding-left: 0;
    }

    .achievements li {
        position: relative;
        padding-left: 25px;
        margin-bottom: 10px;
        color: var(--gray);
    }

        .achievements li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent);
        }
/* Projects Section */
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: 50px;
    background-color: var(--white);
    color: var(--gray);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

    .filter-btn.active {
        background: linear-gradient(90deg, var(--primary), var(--secondary));
        color: var(--white);
    }

    .filter-btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

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

.project-card {
    background-color: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

    .project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

    .project-image::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.2);
        opacity: 0;
        transition: var(--transition);
    }

.project-card:hover .project-image::before {
    opacity: 1;
}

.project-content {
    padding: 25px;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.project-description {
    color: var(--gray);
    margin-bottom: 15px;
}

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

.tech-tag {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 15px;
}

    .project-links a {
        color: var(--primary);
        text-decoration: none;
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 5px;
        transition: var(--transition);
    }

        .project-links a:hover {
            color: var(--accent);
        }
/* Education Section */
.education-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 30px;
    position: relative;
    overflow: hidden;
}

    .education-card::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
    }

.education-icon {
    font-size: 3rem;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.education-details h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.education-details .degree {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 10px;
}

.education-details .duration {
    color: var(--primary);
    font-weight: 600;
}
/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    background-color: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

    .contact-info::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 150px;
        height: 150px;
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
        border-radius: 0 0 0 150px;
    }

    .contact-info h3 {
        font-size: 1.5rem;
        margin-bottom: 30px;
        color: var(--dark);
        position: relative;
        z-index: 1;
    }

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    color: var(--primary);
}

.contact-text h4 {
    margin-bottom: 5px;
    color: var(--dark);
}

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

.contact-form {
    background-color: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 600;
        color: var(--dark);
    }

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--light);
}

    .form-control:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    }

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}
/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark), #334155);
    color: var(--white);
    padding: 50px 0 20px;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.logo-footer {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

    .logo-footer i {
        font-size: 28px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

.social-links {
    display: flex;
    gap: 20px;
}

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

        .social-links a:hover {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            transform: translateY(-3px);
        }

.copyright {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}
/* Responsive Design */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

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

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

    .education-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: var(--shadow);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }

        .nav-links.active {
            transform: translateY(0);
        }

        .nav-links li {
            margin: 15px 0;
        }

    .section-title h2 {
        font-size: 2rem;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .experience-card,
    .contact-info,
    .contact-form {
        padding: 25px;
    }

    .card-container {
        width: 300px;
        height: 300px;
    }

    .card-icon {
        font-size: 60px;
    }

    .card-title {
        font-size: 20px;
    }

    .card-description {
        font-size: 14px;
    }
}