/* Global Variables - Dark Theme */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #e5e7eb;
    --accent-color: #9ca3af;
    --light-color: #0f172a;
    --dark-color: #ffffff;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --container-width: 1200px;
    --section-padding: 100px;
}

/* Dark Theme - variable overrides and key surfaces */
:root[data-theme="dark"] {
    --secondary-color: #e5e7eb;
    --accent-color: #94a3b8;
    --light-color: #0b1220;
    --dark-color: #ffffff;
}

:root[data-theme="dark"] body {
    background-color: #0b1220;
    color: var(--secondary-color);
}

:root[data-theme="dark"] .particles-container {
    background-color: #0b1220;
}

:root[data-theme="dark"] .navbar {
    background-color: rgba(2, 6, 23, 0.8);
}

:root[data-theme="dark"] .nav-link {
    color: var(--secondary-color);
}

:root[data-theme="dark"] .social-links a {
    background-color: #111827;
    color: #e5e7eb;
}

:root[data-theme="dark"] .skills-grid .skill-category,
:root[data-theme="dark"] .services .service-card,
:root[data-theme="dark"] .contact-info,
:root[data-theme="dark"] .contact-form,
:root[data-theme="dark"] .projects .project-card {
    background-color: #0f172a;
    box-shadow: none;
}

:root[data-theme="dark"] .filter-btn {
    background-color: #111827;
    color: #e5e7eb;
}

:root[data-theme="dark"] .project-content h3,
:root[data-theme="dark"] .service-card h3,
:root[data-theme="dark"] .about-text h3,
:root[data-theme="dark"] .section-title {
    color: #ffffff;
}

:root[data-theme="dark"] .project-description,
:root[data-theme="dark"] .service-card p,
:root[data-theme="dark"] .section-subtitle {
    color: var(--accent-color);
}

:root[data-theme="dark"] .form-group input,
:root[data-theme="dark"] .form-group textarea {
    background-color: #0b1220;
    border-color: #1f2937;
    color: #e5e7eb;
}

:root[data-theme="dark"] .form-group input::placeholder,
:root[data-theme="dark"] .form-group textarea::placeholder {
    color: #94a3b8;
}

:root[data-theme="dark"] .newsletter-form input {
    background-color: #111827;
}

/* Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    display: inline-block;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    margin: 0 auto;
    border-radius: 2px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    gap: 8px;
    white-space: nowrap;
}

.btn i {
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

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

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 100px;
    height: 100px;
    position: relative;
}

.loader-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    animation: loader-rotate 2s linear infinite;
}

.loader-line-wrap {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.loader-line-wrap:nth-child(1) {
    transform: rotate(0deg);
}

.loader-line-wrap:nth-child(2) {
    transform: rotate(72deg);
}

.loader-line-wrap:nth-child(3) {
    transform: rotate(144deg);
}

.loader-line-wrap:nth-child(4) {
    transform: rotate(216deg);
}

.loader-line-wrap:nth-child(5) {
    transform: rotate(288deg);
}

.loader-line {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--primary-color);
    animation: loader-spin 1.5s cubic-bezier(0.4, 0.1, 0.2, 0.8) infinite;
}

@keyframes loader-rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes loader-spin {
    0%, 15% {
        transform: rotate(0);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Particles Background */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--light-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow);
}

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

.theme-toggle {
    margin-left: 10px;
    background: transparent;
    border: 2px solid rgba(108, 99, 255, 0.3);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    font-family: 'Playfair Display', serif;
    display: flex;
    align-items: center;
}

.logo-dot {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    color: var(--secondary-color);
}

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

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

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

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

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.hamburger .line {
    width: 25px;
    height: 2px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

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

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

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-title .greeting {
    display: block;
    font-size: 1.5rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.hero-title .name {
    display: block;
    color: var(--dark-color);
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-text {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    color: var(--secondary-color);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-social {
    display: flex;
    align-items: center;
    gap: 15px;
}

.hero-social span {
    font-weight: 500;
    color: var(--accent-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #374151;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-bg {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.floating-tech {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tech-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
    opacity: 0.9;
}

.tech-icon img {
    width: 70%;
    height: 70%;
    object-fit: contain;
}

.tech-icon:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.tech-icon:nth-child(2) {
    top: 70%;
    left: 15%;
    animation-delay: 1s;
}

.tech-icon:nth-child(3) {
    top: 20%;
    right: 10%;
    animation-delay: 2s;
}

.tech-icon:nth-child(4) {
    bottom: 10%;
    left: 20%;
    animation-delay: 3s;
}

.tech-icon:nth-child(5) {
    top: 60%;
    right: 15%;
    animation-delay: 4s;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

/* About Section */
.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-image {
    flex: 1;
    position: relative;
}

.image-container {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.badge-content {
    text-align: center;
}

.years {
    font-size: 2rem;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.text {
    font-size: 0.9rem;
    font-weight: 500;
    display: block;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-text p {
    margin-bottom: 30px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--secondary-color);
}

.about-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.tab {
    padding: 8px 20px;
    border-radius: var(--border-radius);
    background-color: #374151;
    color: var(--accent-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.tab-content {
    display: none;
    margin-bottom: 30px;
}

.tab-content.active {
    display: block;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    margin-bottom: 15px;
}

.skill-name {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.skill-bar {
    height: 8px;
    background-color: #374151;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    border-radius: 4px;
    transition: width 1.5s ease;
}

.education-item, .experience-item {
    margin-bottom: 20px;
}

.education-item h4, .experience-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.education-item p, .experience-item p {
    font-size: 0.95rem;
    color: var(--accent-color);
    margin-bottom: 5px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-category {
    background-color: #1e293b;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.skill-category:hover::before {
    opacity: 1;
}

.skill-category:hover .category-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.skill-category:hover h3 {
    color: white;
}

.skill-category:hover .skill-info,
.skill-category:hover .skill-name {
    color: white;
}

.skill-category:hover .skill-percent {
    color: rgba(255, 255, 255, 0.9); /* Slightly transparent white for better contrast */
}

.skill-category:hover .skill-bar {
    background-color: rgba(255, 255, 255, 0.2);
}

.skill-category:hover .skill-progress {
    background: linear-gradient(to right, #ffffff, #e0e0e0); /* White gradient for progress bar on hover */
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.skill-category h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
    transition: var(--transition);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    margin-bottom: 15px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    color: var(--dark-color);
    transition: var(--transition);
}

.skill-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--dark-color);
    transition: var(--transition);
}

.skill-name img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.skill-percent {
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition);
}

.skill-bar {
    height: 8px;
    background-color: #374151;
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    border-radius: 4px;
    transition: width 1.5s ease;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #1e293b;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover .service-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.service-card:hover h3,
.service-card:hover p,
.service-card:hover .service-features li {
    color: white;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

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

.service-card p {
    margin-bottom: 20px;
    color: var(--accent-color);
    transition: var(--transition);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    font-size: 0.95rem;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.service-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-color);
    transition: var(--transition);
}

.service-card:hover .service-features li::before {
    color: white;
}

/* Projects Section */
.projects-filter {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: var(--border-radius);
    background-color: #374151;
    color: var(--accent-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

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

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

.project-card {
    background-color: #1e293b;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(50px);
}

.project-card.show {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    height: 250px;
    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-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(108, 99, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    color: white;
    font-size: 1.5rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.project-link:hover {
    background-color: white;
    color: var(--primary-color);
    transform: rotate(360deg);
}

.project-content {
    padding: 25px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.tag {
    background-color: #374151;
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.project-description {
    font-size: 0.95rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.project-details {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: var(--transition);
}

.project-details:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 50px;
    align-items: stretch;
}

.contact-info {
    flex: 1;
    background-color: #1e293b;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-info p {
    font-size: 1.05rem;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.info-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.info-content a,
.info-content p {
    font-size: 0.95rem;
    color: var(--accent-color);
}

.info-content a:hover {
    color: var(--primary-color);
}

.contact-social {
    margin-top: 30px;
}

.contact-social h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.contact-form {
    flex: 1;
    background-color: #1e293b;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #374151;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    color: var(--secondary-color);
    background-color: #111827;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #1f2937;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.contact-form button {
    width: 100%;
}

/* Footer */
.footer {
    background-color: #0b0b0b;
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: white;
}

.footer-col p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    font-size: 2rem;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.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;
    color: white;
    transition: var(--transition);
}

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

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.newsletter-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.newsletter-form button {
    padding: 10px 20px;
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--primary-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

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

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

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

    .hero-image {
        width: 100%;
        max-width: 400px;
    }

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

    .about-image {
        max-width: 400px;
    }

    .about-tabs {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        position: relative;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: #0f172a;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transform: translateX(-100%);
        transition: var(--transition);
    }

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

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        height: auto;
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-title .greeting {
        font-size: 1.2rem;
    }

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

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

    .section-subtitle {
        font-size: 0.9rem;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-title .greeting {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .hero-social {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .about-text h3 {
        font-size: 1.5rem;
    }

    .about-text p {
        font-size: 0.95rem;
    }

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

    .project-image {
        height: 200px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}