/**
 * Theme 1 CSS - Dark Premium Portfolio
 * Nova Web Solution
 */

/* Global Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #e94560;
    --dark-bg: #1a1a2e;
    --darker-bg: #16213e;
    --card-bg: #0f3460;
    --text-light: #ffffff;
    --text-muted: #b8b8b8;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #e94560 0%, #c23a51 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light) !important;
}

.logo-img {
    height: 40px;
    width: auto;
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    padding: 10px 15px !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.chat-link {
    color: var(--accent-color) !important;
}

.nav-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: 25px;
    padding: 8px 25px !important;
    margin-left: 10px;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    will-change: transform;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95) 0%, rgba(22, 33, 62, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.hero-stats .stat-item {
    text-align: center;
}

.hero-stats .stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.hero-stats .stat-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.card-4 {
    bottom: 30%;
    right: -30px;
    animation-delay: 1.5s;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 30px;
    padding: 12px 35px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn-outline-light {
    border: 2px solid var(--text-light);
    border-radius: 30px;
    padding: 12px 35px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: var(--text-light);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.hero-image-wrapper {
    position: relative;
    z-index: 2;
}

.hero-card {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.hero-person-img {
    width: 100%;
    height: auto;
    aspect-ratio: 600/700;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background-color: var(--darker-bg);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: -30px;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -30px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    left: -30px;
    animation-delay: 2s;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

/* Trusted Section */
.trusted-section {
    background: var(--darker-bg);
}

.trusted-title {
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.trusted-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.trusted-logo:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Section Styles */
section {
    position: relative;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-description {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    background: var(--dark-bg);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background-color: var(--darker-bg);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-primary);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.experience-badge .years {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.experience-badge .text {
    font-size: 0.9rem;
    font-weight: 500;
}

.about-content {
    padding-left: 30px;
}

.about-text {
    color: var(--text-muted);
    margin-bottom: 30px;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.about-skills {
    margin-bottom: 30px;
}

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

.skill-name {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: 10px;
}

/* Why Choose Section */
.why-choose-section {
    background: var(--darker-bg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.feature-card h4 {
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Services Section */
.services-section {
    background: var(--dark-bg);
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 0;
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
    position: relative;
    z-index: 1;
}

.service-icon i {
    color: white;
}

.service-card h4 {
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.service-link:hover {
    color: var(--text-light);
}

/* Portfolio Section */
.portfolio-section {
    background: var(--darker-bg);
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all 0.5s ease;
    background-color: var(--darker-bg);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

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

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

.portfolio-links .btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h4 {
    margin-bottom: 10px;
}

.portfolio-content p {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(102, 126, 234, 0.2);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Experience Section */
.experience-section {
    background: var(--dark-bg);
}

.experience-timeline {
    position: relative;
    padding-left: 30px;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -35px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--dark-bg);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 10px;
}

.timeline-content h4 {
    margin-bottom: 5px;
}

.timeline-content h5 {
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 15px;
}

.timeline-content p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.skills-section {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
}

.skills-title {
    margin-bottom: 30px;
}

.skill-bar-item {
    margin-bottom: 25px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    background: var(--darker-bg);
}

.contact-info-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.contact-info-card h4 {
    margin-bottom: 10px;
}

.contact-info-card p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
}

.contact-form-wrapper h3 {
    margin-bottom: 25px;
}

.contact-form-wrapper .form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    color: var(--text-light);
}

.contact-form-wrapper .form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    color: var(--text-light);
}

.contact-form-wrapper .form-control::placeholder {
    color: var(--text-muted);
}

.contact-map-wrapper h3,
.social-links-wrapper h3 {
    margin-bottom: 20px;
}

.map-container,
.map-placeholder {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.map-placeholder {
    color: var(--text-muted);
}

.map-placeholder i {
    margin-bottom: 10px;
}

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

.social-link {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 20px;
}

.footer-about h3 {
    margin-bottom: 20px;
}

.footer-about p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.footer-social a i {
    font-size: 1.1rem;
}

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

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact ul li {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.footer-contact ul li i {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 40px;
}

.footer-bottom p {
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Legal Pages */
.legal-section {
    background: var(--dark-bg);
    min-height: 80vh;
}

.legal-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-date {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.legal-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.legal-content p {
    color: var(--text-muted);
    margin-bottom: 15px;
    line-height: 1.8;
}

.legal-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.legal-content li {
    color: var(--text-muted);
    margin-bottom: 10px;
}

/* Help Center */
.help-section {
    background: var(--dark-bg);
}

.search-box {
    position: relative;
}

.search-box input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 15px 50px 15px 25px;
    color: var(--text-light);
    font-size: 1.1rem;
}

.search-box input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    color: var(--text-light);
}

.search-box i {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
}

.help-category-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.help-category-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.category-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.help-category-card h3 {
    margin-bottom: 10px;
}

.help-category-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.help-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.help-link:hover {
    color: var(--text-light);
}

.accordion {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
}

.accordion-item {
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-button {
    background: transparent;
    color: var(--text-light);
    font-weight: 600;
    border: none;
}

.accordion-button:not(.collapsed) {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.accordion-body {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
}

/* Support Page */
.support-section {
    background: var(--dark-bg);
}

.support-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.support-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.support-card h3 {
    margin-bottom: 10px;
}

.support-text {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.support-subtext {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.support-btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.support-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.support-form-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
}

.form-title {
    margin-bottom: 30px;
    text-align: center;
}

.support-form-card .form-control,
.support-form-card .form-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    color: var(--text-light);
}

.support-form-card .form-control:focus,
.support-form-card .form-select:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    color: var(--text-light);
}

.response-time-card {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 20px;
    padding: 30px;
}

.response-time-card h3 {
    margin-bottom: 25px;
}

.time-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
}

.time-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.time-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

/* Responsive */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        padding-left: 0;
        margin-top: 40px;
    }
    
    .experience-badge {
        right: 10px;
        bottom: -10px;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .about-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .hero-stats .stat-item h3 {
        font-size: 1.5rem;
    }

    .floating-card {
        padding: 10px 15px;
        font-size: 0.85rem;
    }

    .card-1 {
        left: 10px;
    }

    .card-2 {
        right: 10px;
    }

    .card-3 {
        left: 10px;
    }

    .card-4 {
        right: 10px;
    }
}