/* ===============================================
   Global Styles & Reset
   =============================================== */


    --primary-color: #a259ff;
    --secondary-color: #2d0b4e;
    --accent-color: #6a4cff;
    --text-dark: #e0e6ed;
    --text-light: #b8b8d1;
    --bg-light: #2d0b4e;
    --bg-white: #1a1032;
    --border-color: #3d246c;
    --success-color: #10b981;
    --gradient-1: linear-gradient(135deg, #2d0b4e 0%, #6a4cff 100%);
    --gradient-2: linear-gradient(135deg, #a259ff 0%, #6a4cff 100%);
    --shadow-sm: 0 1px 2px 0 rgba(162, 89, 255, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(162, 89, 255, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(162, 89, 255, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(162, 89, 255, 0.1);
}

body.dark-mode {
    --primary-color: #bbdefb;
    --secondary-color: #90caf9;
    --accent-color: #64b5f6;
    --text-dark: #f8f9fa;
    --text-light: #e0e0e0;
    --bg-light: #222831;
    --bg-white: #181c20;
    --border-color: #263238;
    --success-color: #bbdefb;
    --gradient-1: linear-gradient(135deg, #181c20 0%, #263238 100%);
    --gradient-2: linear-gradient(135deg, #90caf9 0%, #bbdefb 100%);
}


html {
    scroll-behavior: smooth;
}




    font-family: 'Segoe UI', 'Roboto Mono', 'Fira Mono', 'Menlo', monospace;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    background-image: url('https://www.transparenttextures.com/patterns/cubes.png'), linear-gradient(135deg, #2d0b4e 0%, #6a4cff 100%);
    background-blend-mode: overlay;
}

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

/* ===============================================
   Navigation Bar
   =============================================== */


.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 2px solid var(--primary-color);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}



.nav-brand {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-shadow: none;
}

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



.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    letter-spacing: 1px;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* ===============================================
   Hero Section
   =============================================== */



.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f4f8fb 0%, #caf0f8 100%);
    color: var(--primary-color);
    text-align: center;
    position: relative;
    padding: 2rem;
    box-shadow: 0 0 80px 0 #0077b633 inset;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://cdn.pixabay.com/photo/2017/01/31/13/14/drone-2020255_1280.png') no-repeat center 80%;
    background-size: 300px;
    opacity: 0.08;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}




.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    color: var(--primary-color);
    text-shadow: none;
}

.typing-text {
    display: inline-block;
    border-right: 3px solid white;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
    white-space: nowrap;
    overflow: hidden;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: white; }
}




.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
    color: var(--secondary-color);
    text-shadow: none;
}


.hero-institution {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    animation: fadeInUp 1s ease 0.4s backwards;
    color: var(--text-dark);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}





.btn-primary {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 8px 0 rgba(10,102,194,0.07);
    border: none;
    border-radius: 24px;
    font-weight: 600;
    padding: 0.7rem 2rem;
    transition: background 0.2s, box-shadow 0.2s, color 0.2s;
}
.btn-primary:hover, .btn-primary:focus {
    background: #004182;
    color: #fff;
    box-shadow: 0 4px 16px 0 rgba(10,102,194,0.13);
    outline: none;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 24px;
    font-weight: 600;
    padding: 0.7rem 2rem;
    transition: background 0.2s, color 0.2s, border 0.2s;
}
.btn-secondary:hover, .btn-secondary:focus {
    background: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 16px 0 rgba(10,102,194,0.13);
    outline: none;
}




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

.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 0 24px #00b4d8cc;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.8s backwards;
}




.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 119, 182, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 0 8px #0077b633;
}

.social-icon:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 0 24px #00b4d8cc;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: white;
}

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

@keyframes fadeInUp {
    from {

        opacity: 0;
        transform: translateY(30px);
    }
}

.section {
    padding: 80px 0;
    background: var(--bg-light);
    border-radius: 24px;
    margin: 40px 0;
    box-shadow: 0 0 32px #0077b611;
}

.section:nth-child(even) {
    background-color: var(--bg-light);
}




.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    letter-spacing: 2px;
    text-shadow: none;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
    box-shadow: 0 0 12px #0077b699;
}

/* ===============================================
   About Section
   =============================================== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin: 0.5rem 0;
}

.stat-card p {
    color: var(--text-light);
    margin: 0;
}

/* ===============================================
   Education Section (Timeline)
   =============================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-2);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -42px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.timeline-content h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.timeline-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-meta .grade {
    color: var(--success-color);
    font-weight: 600;
}

.timeline-meta .year {
    color: var(--text-light);
    font-weight: 500;
}

/* ===============================================
   Experience Section
   =============================================== */
.experience-grid {
    display: grid;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.experience-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.experience-header h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
}

.experience-header h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 500;
}

.experience-date {
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    white-space: nowrap;
}

.experience-location {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.experience-location i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.experience-points {
    list-style: none;
    margin-bottom: 1.5rem;
}

.experience-points li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
    line-height: 1.6;
}

.experience-points li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* ===============================================
   Projects Section
   =============================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.project-icon i {
    font-size: 1.8rem;
    color: white;
}

.project-header h3 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-type {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-date i {
    margin-right: 0.5rem;
}

.project-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===============================================
   Skills Section
   =============================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.skill-category h3 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category h3 i {
    color: var(--primary-color);
}

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

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

.skill-name {
    display: block;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.skill-progress {
    height: 100%;
    background: var(--gradient-2);
    border-radius: 10px;
    transition: width 1s ease;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    background: var(--gradient-2);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.certification-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.certification-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

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

.certification-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.certification-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.cert-date {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ===============================================
   Contact Section
   =============================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-info > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--gradient-2);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--secondary-color);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.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-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    background: var(--gradient-2);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.contact-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===============================================
   Footer
   =============================================== */



.footer {
    background: #f4f8fb;
    color: var(--primary-color);
    padding: 2rem 0;
    text-align: center;
    border-top: 2px solid var(--primary-color);
    box-shadow: 0 0 32px #0077b633;
}

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

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

.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: white;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

/* ===============================================
   Back to Top Button
   =============================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===============================================
   Responsive Design
   =============================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

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

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-marker {
        left: -32px;
        width: 15px;
        height: 15px;
    }

    .experience-header {
        flex-direction: column;
    }

    .experience-date {
        align-self: flex-start;
    }

}