:root {
    /* This are the values used across the website*/
    --primary-gradient: linear-gradient(135deg, #000000 0%,     #0077a7 100%);
    --secondary-gradient: linear-gradient(135deg, #053baf 0%, #080074 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    --transition: all 0.3s ease;
    --border-radius: 20px;
    --font-main: 'Arial', sans-serif;
    --fs-xl: clamp(2rem, 5vw, 3.5rem);
    --fs-lg: clamp(1.5rem, 4vw, 2.5rem);
    --fs-md: clamp(1rem, 3vw, 1.5rem);
    --spacing: clamp(1rem, 5vw, 2rem);
    --programming-color: #262626;
    --languages-color: #626262;
}

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

body {
    font-family: var(--font-main);
    background: var(--primary-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Page Sections */
.page-section {
    display: none;
    min-height: 100vh;
    padding: 120px 20px 80px;
    opacity: 0;
    transition: var(--transition);
}

.page-section.active {
    display: block;
    opacity: 1;
    animation: fadeInSection 0.5s ease forwards;
}

@keyframes fadeInSection {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    border-bottom: var(--glass-border);
    backdrop-filter: blur(20px);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem var(--spacing);
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background: var(--glass-bg);
    transform: translateY(-2px);
}

.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

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

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

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

/* Hero Section */
.hero-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing);
    align-items: center;
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.hero-text {
    text-align: center;
}

.hero-text h1 {
    font-size: var(--fs-xl);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.fade-in {
    animation: fadeIn 2s ease-in forwards;
    opacity: 1; 
}


.hero-image img {
    width: 100%;
    max-width: 250px;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: rotate(5deg) scale(1.05);
}

/* About Section */
.about-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing);
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: var(--shadow);
    align-items: start;
}

.about-text h2 {
    font-size: var(--fs-lg);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

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

.contact-details,
.social-links {
    background: rgba(255,255,255,0.05);
    padding: 1rem;
    border-radius: 10px;
    border: var(--glass-border);
}

.contact-details h3,
.social-links h3 {
    font-size: var(--fs-md);
    margin-bottom: 0.5rem;
    text-align: center;
}

.contacts-list,
.social-list {
    list-style: none;
    padding: 0;
}

.contacts-list li {
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contacts-list a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.contacts-list a:hover {
    color: var(--text-primary);
}

.social-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.social-list a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.social-list a:hover {
    background: var(--secondary-gradient);
    transform: translateX(5px);
}

.social-list span {
    margin-left: 0.5rem;
}

/* Skills Dashboard */
.skills-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing);
}

.dashboard-header {
    text-align: center;
    margin-bottom: 3rem;
}

.dashboard-header h2 {
    font-size: var(--fs-lg);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-card {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
}

.programming-card {
    border-top: 4px solid transparent;
    background-image: linear-gradient(var(--glass-bg), var(--glass-bg)), var(--programming-color);
    background-clip: padding-box, border-box;
}

.languages-card {
    border-top: 4px solid transparent;
    background-image: linear-gradient(var(--glass-bg), var(--glass-bg)), var(--languages-color);
    background-clip: padding-box, border-box;
}

.skill-card h3 {
    font-size: var(--fs-md);
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    transition: var(--transition);
}

.skill-item:hover {
    background: rgba(255,255,255,0.1);
}

.skill-label {
    font-weight: bold;
    min-width: 60px;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

progress {
    flex: 1;
    height: 12px;
    background: rgba(255,255,255,0.2);
    border-radius: 6px;
    overflow: hidden;
}

progress::-webkit-progress-bar {
    background: rgba(255,255,255,0.2);
    border-radius: 6px;
}

progress::-webkit-progress-value {
    background: var(--text-primary);
    border-radius: 6px;
}

.skill-value {
    font-weight: bold;
    min-width: 40px;
    text-align: right;
}

/* Projects Grid */
.projects-box {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: rgba(255,255,255,0.05);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: var(--glass-border);
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow);
}

.project-card img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.project-btn {
    background: var(--secondary-gradient);
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

/* Timeline */
.timeline-box {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.timeline-list {
    list-style: none;
    position: relative;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255,255,255,0.3);
}

.timeline-item {
    position: relative;
    margin: 2rem 0;
    padding-left: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--secondary-gradient);
    border-radius: 50%;
}

.timeline-item time {
    display: block;
    color: var(--text-secondary);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.timeline-item h3 {
    font-size: var(--fs-md);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-box {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.contact-box h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: var(--glass-border);
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-gradient);
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2);
}

.form-submit {
    width: 100%;
    background: var(--secondary-gradient);
    color: var(--text-primary);
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-size: var(--fs-md);
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    transform: translateY(-2px);
}

/* FAQ */
.faq-box {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.faq-list {
    list-style: none;
}

details {
    margin-bottom: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    padding: 1rem;
    border: var(--glass-border);
}

summary {
    cursor: pointer;
    font-weight: bold;
    padding: 0.5rem;
    border-radius: 5px;
    transition: var(--transition);
}

summary:hover {
    background: rgba(255,255,255,0.1);
}

dd {
    margin-top: 0.5rem;
    padding-left: 1rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal[open] {
    display: flex;
}

.modal-content {
    background: var(--glass-bg);
    border: var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--secondary-gradient);
}

/* Footer */
footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: var(--glass-bg);
    border-top: var(--glass-border);
    backdrop-filter: blur(20px);
    text-align: center;
    padding: 1rem;
    z-index: 1000;
    box-shadow: var(--shadow);
}

/* Animations */
@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.fade-in { 
    animation: fadeIn 2s ease-in forwards; 
    opacity: 0; 
}

.fade-in-delay { 
    animation: fadeIn 3s ease-in forwards; 
    opacity: 0; 
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-box,
    .about-box {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .nav-list {
        gap: 1rem;
    }

    .about-sidebar {
        flex-direction: row;
        justify-content: space-around;
    }

    .contact-details,
    .social-links {
        flex: 1;
    }

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

@media (max-width: 768px) {
    
    .burger-menu {
        display: flex;
    }

    .nav-list {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.9); 
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        backdrop-filter: none;
    }

    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .page-section {
        padding: 100px 10px 80px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

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

    .timeline-item {
        padding-left: 2rem;
    }

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

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

    .about-sidebar {
        flex-direction: column;
        gap: 1rem;
    }

    .contacts-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    
    :root {
        --spacing: 1rem;
    }

    .modal-content {
        width: 95%;
        padding: 1rem;
    }

    footer {
        font-size: 0.8rem;
    }

    .social-list {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-list a {
        margin: 0.25rem;
    }

    .skill-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .progress-container {
        width: 100%;
        justify-content: space-between;
    }
}