/* === GLOBAL STYLES === */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --text-color: #333333;
    --light-text: #777777;
    --background-color: #ffffff;
    --light-background: #f8f9fa;
    --dark-background: #212529;
    --border-color: #e0e0e0;
    --success-color: #4ade80;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 62.5%; /* 1rem = 10px */
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    font-size: 1.6rem;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

section {
    padding: 8rem 0;
}

.container {
    width: 100%;
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    border-radius: 5rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.6rem;
    border: none;
    text-align: center;
}

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

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.underline {
    height: 0.4rem;
    width: 6rem;
    background-color: var(--primary-color);
    margin: 0 auto;
    border-radius: 0.5rem;
}

.highlight {
    color: var(--primary-color);
}

/* === NAVBAR === */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
}

.logo a {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links li a {
    position: relative;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

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

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -0.6rem;
    left: 0;
    width: 0;
    height: 0.3rem;
    background-color: var(--primary-color);
    transition: var(--transition);
    border-radius: 0.5rem;
}

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

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

.bar {
    display: block;
    width: 2.5rem;
    height: 0.3rem;
    margin: 0.5rem auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* === HERO SECTION === */
.hero {
    display: flex;
    min-height: 100vh;
    align-items: center;
    padding: 8rem 5% 5rem;
    background-color: var(--light-background);
    overflow: hidden;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 60rem;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-content h2 {
    font-size: 2.4rem;
    font-weight: 500;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.hero-content p {
    font-size: 1.8rem;
    margin-bottom: 3rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

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

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    transition: var(--transition);
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-image {
    width: 30rem;
    height: 30rem;
    border-radius: 50%;
    object-fit: cover;
    border: 0.5rem solid white;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.shape-blob {
    position: absolute;
    width: 45rem;
    height: 45rem;
    background-color: var(--accent-color);
    opacity: 0.2;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: blob-animation 15s infinite;
}

@keyframes blob-animation {
    0% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    25% {
        border-radius: 50% 50% 30% 70% / 50% 50% 30% 70%;
    }
    50% {
        border-radius: 70% 30% 50% 50% / 40% 60% 50% 60%;
    }
    75% {
        border-radius: 40% 60% 70% 30% / 70% 30% 40% 60%;
    }
    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
}

/* === ABOUT SECTION === */
.about {
    background-color: var(--background-color);
    padding: 10rem 5%;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 1.7rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.skills {
    margin-top: 4rem;
}

.skills h3 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag {
    background-color: var(--light-background);
    padding: 0.8rem 1.6rem;
    border-radius: 5rem;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary-color);
    transition: var(--transition);
}

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

/* === PROJECTS SECTION === */
.projects {
    background-color: var(--light-background);
    padding: 10rem 5%;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 2rem;
    border-radius: 5rem;
    background-color: white;
    border: none;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
    gap: 3rem;
}

.project-card {
    background-color: white;
    border-radius: 1rem;
    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-img {
    width: 100%;
    height: 22rem;
    overflow: hidden;
}

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

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

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.project-info p {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.project-tech span {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.1);
    padding: 0.4rem 1rem;
    border-radius: 5rem;
}

.project-links {
    display: flex;
    gap: 1.5rem;
}

.project-link {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary-color);
    transition: var(--transition);
}

.project-link:hover {
    color: var(--secondary-color);
}

/* === BLOG SECTION === */
.blog {
    background-color: var(--background-color);
    padding: 10rem 5%;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
    gap: 3rem;
}

.blog-card {
    background-color: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.blog-img {
    width: 100%;
    height: 20rem;
    overflow: hidden;
}

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

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

.blog-info {
    padding: 2rem;
}

.blog-date {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 1rem;
}

.blog-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.blog-info p {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.read-more {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--secondary-color);
    gap: 1rem;
}

/* === CONTACT SECTION === */
.contact {
    background-color: var(--light-background);
    padding: 10rem 5%;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    width: 4rem;
    height: 4rem;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item p {
    font-size: 1.6rem;
    color: var(--text-color);
}

.contact-form {
    background-color: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.6rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

/* === FOOTER === */
.footer {
    background-color: var(--dark-background);
    color: white;
    padding: 5rem 5% 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo a {
    font-size: 2.8rem;
    font-weight: 700;
    color: white;
}

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

.footer-links li a {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.footer .social-icons a {
    background-color: rgba(255, 255, 255, 0.1);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.6);
}

/* === RESPONSIVE DESIGN === */
@media screen and (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 5rem;
    }

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

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

    .social-icons {
        justify-content: center;
    }

    .about-content {
        flex-direction: column;
    }

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

    .contact-info {
        order: 2;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 55%;
    }

    .hamburger {
        display: block;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 7rem;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        gap: 2rem;
    }

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

    .project-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-links ul {
        justify-content: center;
    }

    .footer .social-icons {
        justify-content: center;
    }
}

@media screen and (max-width: 480px) {
    html {
        font-size: 50%;
    }

    .hero-content h1 {
        font-size: 4rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 3rem;
    }

    .project-filters {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 100%;
        max-width: 20rem;
    }
}