/* === আপনার দেওয়া CSS (অপরিবর্তিত) === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1e1e2f, #3a3a5a);
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* নেভবার স্টাইল */
.navbar {
    background: rgba(30, 30, 47, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

/* লোগো স্টাইল */
.logo a {
    color: var(--light-color);
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
}

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

/* নেভ লিংক স্টাইল */
.nav-links {
    display: flex;
    list-style: none;
}

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

.nav-links a {
    color: var(--light-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    bottom: -5px;
    left: 0;
    transition: width 0.3s;
}

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

/* সোশ্যাল আইকন স্টাইল */
.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: var(--light-color);
    font-size: 1.2rem;
    transition: transform 0.3s, color 0.3s;
}

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

/* হ্যামবার্গার মেনু স্টাইল (মোবাইল ভিউ) */
.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--light-color);
    margin: 5px 0;
    transition: all 0.3s;
}

/* রেসপনসিভ ডিজাইন */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(30, 30, 47, 0.95);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: left 0.5s;
    }

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

    .nav-links li {
        margin: 20px 0;
    }

    .social-icons {
        display: none;
    }

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

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

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

.full-width {
    width: 100%;
}

.tools-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    width: 90%;
    max-width: 1200px;
    margin: 120px auto 100px;
}

.tool-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px 25px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-10px);
}

.tool-card h3 {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.tool-card p {
    font-size: 0.9rem;
    color: #ccc;
    margin-bottom: 15px;
    padding: 20px 0px;
    min-height: 120px;
}

.tool-card .btn {
    background: #6e8efb;
    color: #fff;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s ease;
    padding: 10px;
}

.tool-card .btn:hover {
    background: #a777e3;
}

.glass-footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.fixed-footer {
    position: static;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.glass-footer p {
    font-size: 0.9rem;
    color: #ccc;
    margin-top: 10px;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.social-icons a {
    color: #fff;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: #6e8efb;
}

a {
    text-decoration: none;
}

/* === নতুন অ্যাড করা CSS === */
/* Navigation */
.glass-header nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 15px;
}

.glass-header nav ul li {
    margin: 0 15px;
}

.glass-header nav ul li a {
    color: #fff;
    font-weight: 500;
    transition: color 0.3s;
}

.glass-header nav ul li a:hover {
    color: #6e8efb;
}

/* Hero Section */
#home {
    text-align: center;
    padding: 180px 0 100px;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero-content h2 span {
    color: #6e8efb;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    color: #ccc;
}

/* About Section */
.section-padding {
    padding: 100px 0;
}

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

.about-img {
    flex: 1;
}

.about-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.about-text {
    flex: 1;
}

.about-info {
    margin: 25px 0;
}

.about-info div {
    margin: 10px 0;
    font-size: 1.1rem;
}

.about-info span {
    font-weight: bold;
    color: #6e8efb;
    display: inline-block;
    width: 80px;
}

/* Skill Bars */
.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin: 15px 0;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: #6e8efb;
    width: 0;
    border-radius: 4px;
    transition: width 1s ease;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: #fff;
    font-size: 1rem;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
    }
    
    .tools-container {
        grid-template-columns: 1fr;
    }
    
    .glass-header h1 {
        font-size: 1.5rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
}

/* ===== Hero Section ===== */
.hero {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e1e2f 0%, #3a3a5a 100%);
    color: #fff;
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(110, 142, 251, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(167, 119, 227, 0.15) 0%, transparent 40%);
    z-index: 0;
}

.hero-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 700px;
    padding-right: 40px;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 600px;
}

/* Hero Text Styles */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 12px;
    background: linear-gradient(90deg, rgba(110,142,251,0.4) 0%, rgba(110,142,251,0.1) 100%);
    z-index: -1;
    border-radius: 6px;
    transform: skewX(-15deg);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    margin-bottom: 25px;
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    max-width: 600px;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #6e8efb 0%, #a777e3 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(110, 142, 251, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(110, 142, 251, 0.6);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-3px);
}

/* Hero Image */
.floating-image {
    width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

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

/* Tech Icons */
.tech-icons {
    position: absolute;
    display: flex;
    gap: 15px;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: pulse 2s infinite;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.icon.python {
    background: #3776ab;
    color: #ffd43b;
    animation-delay: 0.2s;
}

.icon.tableau {
    background: #5b6ee1;
    color: #fff;
    animation-delay: 0.4s;
}

.icon.sql {
    background: #f29111;
    color: #fff;
    animation-delay: 0.6s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Stats */
.hero-stats {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(to right, #6e8efb, #a777e3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    margin-top: 5px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
}

.scroll-text {
    font-size: 0.9rem;
    margin-bottom: 5px;
    opacity: 0.7;
}

.scroll-btn i {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .hero-container {
        padding: 0 30px;
    }
}

@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding-top: 80px;
        padding-bottom: 80px;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
        max-width: 100%;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .tech-icons {
        bottom: 10px;
    }
    
    .icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .logo{
        display:none;
    }
}

/* About Section Styles */
.about-section {
    background: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.about-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-subtitle {
    display: block;
    font-size: 1.1rem;
    color: #6e8efb;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e1e2f;
    margin-bottom: 20px;
    position: relative;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, #6e8efb, #a777e3);
    margin: 0 auto;
    border-radius: 2px;
}

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

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

.image-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.profile-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(30, 30, 47, 0.1);
    transition: transform 0.3s;
    position: relative;
    z-index: 1;
}

.tech-badge {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    z-index: 2;
    animation: float 4s ease-in-out infinite;
}

.tech-badge.python {
    background: linear-gradient(135deg, #3776ab, #4b8bbe);
    top: -20px;
    left: -20px;
    animation-delay: 0.2s;
}

.tech-badge.sql {
    background: linear-gradient(135deg, #f29111, #f8b133);
    bottom: -20px;
    left: -20px;
    animation-delay: 0.4s;
}

.tech-badge.tableau {
    background: linear-gradient(135deg, #5b6ee1, #7e8efb);
    top: -20px;
    right: -20px;
    animation-delay: 0.6s;
}

.about-details {
    flex: 1;
}

.about-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    box-shadow: 0 5px 15px rgba(110, 142, 251, 0.3);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.experience-item, .education-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px dashed #eee;
}

.experience-item:last-child, .education-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.experience-item h3, .education-item h3 {
    font-size: 1.3rem;
    color: #1e1e2f;
    margin-bottom: 5px;
}

.experience-item h3 span, .education-item h3 span {
    color: #6e8efb;
    font-weight: 500;
}

.duration {
    display: inline-block;
    background: rgba(110, 142, 251, 0.1);
    color: #6e8efb;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.skill-category h4 {
    font-size: 1.1rem;
    color: #1e1e2f;
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
}

.skill-category h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: #6e8efb;
    border-radius: 50%;
}

.skill-category ul {
    list-style: none;
}

.skill-category ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
    color: #666;
}

.skill-category ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: #6e8efb;
}

.about-cta {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 50px;
    }
    
    .about-details {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .about-tabs {
        flex-wrap: wrap;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .about-cta {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .about-section {
        padding: 60px 0;
    }
    
    .tech-badge {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .experience-item h3, .education-item h3 {
        font-size: 1.1rem;
    }
}

/* Full Width */
.full-width {
    width: 100%;
    padding-left: 0;
    padding-right: 0;
    max-width: none;
}

/* About Section Styles */
.about-section {
    background: #fff;
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    .about-image {
        margin-bottom: 30px;
    }
    .about-details {
        width: 100%;
    }
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

.skills-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-card {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.skill-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}
.skill-icon.python { background: linear-gradient(to right, #3776ab, #4b8bbe); }
.skill-icon.sql { background: linear-gradient(to right, #f29111, #f8b133); }
.skill-icon.tableau { background: linear-gradient(to right, #5b6ee1, #7e8efb); }
.skill-icon.powerbi { background: linear-gradient(to right, #f2c14e, #fac05d); }
.skill-icon.ml { background: linear-gradient(to right, #4ade80, #30c774); }
.skill-icon.excel { background: linear-gradient(to right, #217346, #2d9d6c); }

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.skill-header h3 {
    font-size: 1.2rem;
    color: #fff;
    margin: 0;
}
.skill-percentage {
    font-weight: bold;
    color: #6e8efb;
}

.skill-description {
    font-size: 0.95rem;
    color: #ccc;
    margin: 0;
}

.skill-bar {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}
.skill-progress {
    height: 100%;
    width: 0;
    border-radius: 5px;
    position: absolute;
    top: 0;
    left: 0;
    transition: width 2s ease-in-out;
}

.btn-sm {
    font-size: 0.8rem;
    padding: 8px 15px;
    width: fit-content;
    align-self: flex-start;
    transition: all 0.3s ease;
}
.btn-sm:hover {
    transform: scale(1.05);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* Tooltip Style */
.skill-card {
    position: relative;
}
.skill-card:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0.95;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

/* Progress Bar Text */
.progress-text {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: #fff;
    font-weight: bold;
    opacity: 0.9;
    pointer-events: none;
}

.projects-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.project-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    color: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
}
.tab-btn:hover,
.tab-btn.active {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    box-shadow: 0 5px 15px rgba(110, 142, 251, 0.4);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.project-category {
    font-size: 0.8rem;
    color: #6e8efb;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-content h3 {
    font-size: 1.2rem;
    margin: 0;
    color: #fff;
}

.project-content p {
    font-size: 0.9rem;
    color: #ccc;
    flex-grow: 1;
}

.btn-sm {
    font-size: 0.8rem;
    padding: 8px 15px;
    width: fit-content;
    align-self: flex-start;
    transition: all 0.3s ease;
}
.btn-sm:hover {
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
}

.contact-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-container {
    display: flex;
    gap: 60px;
    align-items: stretch;
    flex-wrap: wrap;
}
@media (max-width: 992px) {
    .contact-container {
        flex-direction: column;
    }
}

.contact-info {
    flex: 1;
    padding: 30px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.contact-info p {
    margin: 10px 0;
    font-size: 1rem;
}
.contact-info i {
    color: #6e8efb;
    margin-right: 10px;
}

.contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}
.contact-form:hover {
    transform: translateY(-5px);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #6e8efb;
    background: rgba(255, 255, 255, 0.1);
}

.form-status {
    text-align: center;
    margin-top: 15px;
    color: #a7f3d0;
    font-weight: bold;
}

/* === গ্লাসমরফিক কার্ড স্টাইল === */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: #fff;
    transition: transform 0.3s ease;
}
.glass-card:hover {
    transform: translateY(-10px);
}

/* ব্যাকগ্রাউন্ডে হালকা গ্রেডিয়েন্ট */
section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    padding: 100px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
span .highlight{
    color: #5b6ee1;
}

.highlight {
    background: linear-gradient(90deg, #6e8efb, #a777e3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    padding: 2px 6px;
    border-radius: 4px;
}
.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(110, 142, 251, 0.2);
    z-index: -1;
    border-radius: 4px;
    transform: skewY(-3deg);
}

.experience-item, .education-item p {
    color: #7e7e7e;
    font-size: 15px;
    font-family:Arial, Helvetica, sans-serif;
}

.section-title {
    color: #d3d3d3;
}

.section-title1{
    color: #3a3a5a;
}

.contact-info {
    flex: 1;
    padding: 30px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease;
}
.contact-info:hover {
    transform: translateY(-5px);
}

.contact-image {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.contact-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.contact-info p {
    margin: 10px 0;
    font-size: 1rem;
    color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.contact-info i {
    color: #6e8efb;
    font-size: 1.1rem;
}.skill-bar {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    width: 0; /* এখানে গুরুত্বপূর্ণ */
    border-radius: 5px;
    transition: width 2s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(to right, #6e8efb, #a777e3);
    color: white;
}

.progress-text {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: white;
    pointer-events: none;
}

/* === Go to Top Button === */
.go-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: none; /* Default hidden */
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    transition: all 0.3s ease;
}

.go-to-top:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.btn-extra {
    border: none;
}

.project-card {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

        .logo a {
            color: #ccc;
            font-size: 1.8rem;
            font-weight: 700;
        }

        .logo span {
            color: #6e8efb;
        }


        /* === View All Projects Section === */
.view-all-projects {
    width: 100%;
    padding: 120px 20px;
    background: linear-gradient(135deg, #1e1e2f, #2c2c4a);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Optional: Background pattern or animation */
.view-all-projects::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(110,142,251,0.15) 0%, transparent 40%), 
                radial-gradient(circle at 80% 70%, rgba(167, 119, 227, 0.1) 0%, transparent 40%);
    z-index: 0;
}

.view-all-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease-in-out;
    animation: fadeInUp 1s ease forwards;
    padding-top: 20px;
}

/* Animated Text */
.animated-title {
    font-size: 2.8rem;
    color: #fff;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #ffffff, #cccccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textBounce 2s infinite;
}

.animated-subtitle {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUpText 1.5s ease forwards;
    animation-delay: 0.4s;
}

/* Button Style */
.btn-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(45deg, #6e8efb, #a777e3);
    border: none;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(110, 142, 251, 0.4);
}
.btn-gradient:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(110, 142, 251, 0.6);
    background: linear-gradient(45deg, #a777e3, #6e8efb);
}

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

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

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

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#sk{
    padding-bottom:  30px;
}

.bt {
    border: none;
}

.books-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding-top: 20px;
}

.book-card {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}
.book-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.book-cover {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.book-info {
    padding: 20px;
}

.book-info h3 {
    margin: 0 0 10px;
    font-size: 1.2rem;
    color: #fff;
}

.book-info p {
    font-size: 0.95rem;
    color: #ccc;
    margin: 0 0 15px;
}

.btn-sm {
    font-size: 0.8rem;
    padding: 8px 15px;
    width: fit-content;
    align-self: flex-start;
    transition: all 0.3s ease;
}
.btn-sm:hover {
    transform: scale(1.05);
}

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
}

.modal-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 80%;
    max-width: 600px;
    text-align: center;
    color: #fff;
    position: relative;
}

.modal-content img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 20px;
}

.close {
    color: #fff;
    float: right;
    font-size: 1.5rem;
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 20px;
}