/* ========== CSS VARIABLES ========== */

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

:root {
    --primary-color: #2563eb;
    --secondary-color: #f97316;
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --light-bg: #ffffff;
    --light-secondary: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #ffffff;
    --border-color: #e2e8f0;
    --transition: all 0.3s ease;
}

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

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

html {
    scroll-behavior: smooth;
}

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


/* ========== NAVBAR ========== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

body.dark-mode .navbar {
    background-color: rgba(15, 23, 42, 0.95);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

body.dark-mode .nav-menu a {
    color: var(--text-light);
}

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

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
    transition: var(--transition);
}

body.dark-mode .theme-toggle {
    color: var(--text-light);
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(20deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

body.dark-mode .hamburger span {
    background-color: var(--text-light);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}


/* ========== HOME SECTION ========== */

.home-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--light-secondary) 0%, var(--light-bg) 100%);
}

body.dark-mode .home-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
}

.home-content {
    text-align: center;
    animation: fadeInUp 1s ease;
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.1) rotate(5deg);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.home-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

.home-content h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.typing-text {
    border-right: 2px solid var(--primary-color);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%,
    100% {
        border-color: transparent;
    }
    50% {
        border-color: var(--primary-color);
    }
}

.intro-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.8;
}

.home-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

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

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

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

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-secondary);
    color: var(--text-dark);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

body.dark-mode .social-icon {
    background-color: var(--dark-secondary);
    color: var(--text-light);
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}


/* ========== ABOUT SECTION ========== */

.about-section {
    padding: 6rem 0;
    background-color: var(--light-bg);
}

body.dark-mode .about-section {
    background-color: var(--dark-bg);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    opacity: 0.7;
}

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

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--light-secondary);
    border-radius: 10px;
}

body.dark-mode .info-item {
    background-color: var(--dark-secondary);
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}


/* ========== TIMELINE ========== */

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

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

.timeline-icon {
    position: absolute;
    left: -2.8rem;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.timeline-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-date {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    opacity: 0.8;
}


/* ========== PORTFOLIO SECTION ========== */

.portfolio-section {
    padding: 6rem 0;
    background-color: var(--light-secondary);
}

body.dark-mode .portfolio-section {
    background-color: var(--dark-secondary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

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

.portfolio-item {
    transition: var(--transition);
    animation: fadeIn 0.5s ease;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    opacity: 0;
    transition: var(--transition);
    text-align: center;
}

.portfolio-image:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-overlay h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    color: white;
    margin-bottom: 1rem;
}

.portfolio-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 1rem;
}

.portfolio-tech span {
    background-color: white;
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

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

.portfolio-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: white;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.portfolio-link:hover {
    transform: scale(1.2);
}


/* ========== SKILLS SECTION ========== */

.skills-section {
    padding: 6rem 0;
    background-color: var(--light-bg);
}

body.dark-mode .skills-section {
    background-color: var(--dark-bg);
}

.skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.skill-bar {
    height: 10px;
    background-color: var(--light-secondary);
    border-radius: 10px;
    overflow: hidden;
}

body.dark-mode .skill-bar {
    background-color: var(--dark-secondary);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
}


/* ========== BLOG SECTION ========== */

.blog-section {
    padding: 6rem 0;
    background-color: var(--light-secondary);
}

body.dark-mode .blog-section {
    background-color: var(--dark-secondary);
}

.blog-search {
    position: relative;
    max-width: 500px;
    margin: 0 auto 3rem;
}

.blog-search input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    background-color: var(--light-bg);
    color: var(--text-dark);
}

body.dark-mode .blog-search input {
    background-color: var(--dark-bg);
    color: var(--text-light);
    border-color: var(--dark-secondary);
}

.blog-search input:focus {
    border-color: var(--primary-color);
}

.blog-search i {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: var(--light-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

body.dark-mode .blog-card {
    background-color: var(--dark-bg);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.blog-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

.blog-meta i {
    margin-right: 0.3rem;
}

.blog-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.blog-content p {
    opacity: 0.8;
    margin-bottom: 1rem;
}

.read-more {
    background-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    background-color: #1d4ed8;
    transform: translateX(5px);
}


/* ========== MODAL ========== */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--light-bg);
    margin: 5% auto;
    padding: 2rem;
    width: 90%;
    max-width: 800px;
    border-radius: 15px;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideDown 0.3s ease;
}

body.dark-mode .modal-content {
    background-color: var(--dark-secondary);
}

.modal-close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

body.dark-mode .modal-close {
    color: var(--text-light);
}

.modal-close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}


/* ========== CONTACT SECTION ========== */

.contact-section {
    padding: 6rem 0;
    background-color: var(--light-bg);
}

body.dark-mode .contact-section {
    background-color: var(--dark-bg);
}

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

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info>p {
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--light-secondary);
    border-radius: 10px;
    transition: var(--transition);
}

body.dark-mode .contact-item {
    background-color: var(--dark-secondary);
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
}

.contact-item p {
    opacity: 0.8;
}

.contact-form {
    background-color: var(--light-secondary);
    padding: 2rem;
    border-radius: 15px;
}

body.dark-mode .contact-form {
    background-color: var(--dark-secondary);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    background-color: var(--light-bg);
    color: var(--text-dark);
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background-color: var(--dark-bg);
    color: var(--text-light);
    border-color: var(--dark-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background-color: #10b981;
    color: white;
    display: block;
}

.form-message.error {
    background-color: #ef4444;
    color: white;
    display: block;
}


/* ========== FOOTER ========== */

.footer {
    background-color: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    text-align: center;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-info p {
    margin-bottom: 1rem;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}


/* ========== SCROLL TO TOP ========== */

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top:hover {
    background-color: #1d4ed8;
    transform: translateY(-5px);
}

.scroll-top.show {
    display: flex;
}


/* ========== ANIMATIONS ========== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}


/* ========== RESPONSIVE ========== */

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--light-bg);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }
    body.dark-mode .nav-menu {
        background-color: var(--dark-bg);
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-menu li {
        margin: 1rem 0;
    }
    .hamburger {
        display: flex;
    }
    .home-content h1 {
        font-size: 2rem;
    }
    .home-content h2 {
        font-size: 1.3rem;
    }
    .home-buttons {
        flex-direction: column;
        align-items: center;
    }
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .skills-content {
        grid-template-columns: 1fr;
    }
    .about-info {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 2rem;
    }
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 576px) {
    .home-content h1 {
        font-size: 1.5rem;
    }
    .home-content h2 {
        font-size: 1.1rem;
    }
    .profile-image {
        width: 150px;
        height: 150px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}