/* ========== CSS Variables ========== */
:root {
    --color-bg: #000000;
    --color-text: #f0f8ff;
    --color-primary: #f5d62c;
    --color-primary-dark: #bba421;
    --color-accent: #00ff0d;
    --color-card-bg: #1a1a1a;
    --color-border: #333333;
    
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Ubuntu', sans-serif;
    
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* ========== Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

::selection {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

/* ========== Utility Classes ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(245, 214, 44, 0.3);
}

.btn-full {
    width: 100%;
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
}

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

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInLeft 1s ease;
}

.hero-greeting {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.hero-name {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 0.5rem;
}

.hero-typing-container {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    min-height: 60px;
    display: flex;
    align-items: center;
}

.hero-typing-prefix {
    color: var(--color-text);
    opacity: 0.9;
}

.hero-typed {
    color: var(--color-primary);
    font-weight: 600;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    aspect-ratio: 1;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    border: 4px solid var(--color-primary);
    box-shadow: 0 0 30px rgba(245, 214, 44, 0.3);
}

.hero-image-bg {
    position: absolute;
    width: 90%;
    height: 90%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

.hero-decoration {
    position: absolute;
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.3;
}

.hero-decoration-1 {
    width: 120%;
    height: 120%;
    animation: rotate 20s linear infinite;
}

.hero-decoration-2 {
    width: 140%;
    height: 140%;
    animation: rotate 30s linear infinite reverse;
}

/* ========== About Section ========== */
.about-section {
    padding: 6rem 2rem;
    background-color: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-text {
    animation: fadeInLeft 1s ease;
}

.about-intro {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.about-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-secondary {
    background-color: var(--color-card-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.about-image-container {
    position: relative;
    animation: fadeInRight 1s ease;
}

.about-image {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: var(--border-radius);
    border: 3px solid var(--color-primary);
    box-shadow: 0 8px 16px rgba(245, 214, 44, 0.3);
    display: block;
    margin: 0 auto;
}

.about-social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-intro {
        font-size: 1.1rem;
    }
    
    .about-description {
        font-size: 1rem;
    }
}


/* ========== Skills Section ========== */
.skills-section {
    padding: 6rem 2rem;
    background-color: var(--color-card-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(245, 214, 44, 0.2);
}

.skill-category-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category-title i {
    font-size: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: default;
}

.skill-tag:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

/* ========== Timeline Section ========== */
.timeline-section {
    padding: 6rem 2rem;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 2rem;
    margin-bottom: 2rem;
}

.timeline-item-left {
    left: 0;
    text-align: right;
}

.timeline-item-right {
    left: 50%;
}

.timeline-content {
    background-color: var(--color-card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    position: relative;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 16px rgba(245, 214, 44, 0.2);
    transform: scale(1.02);
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 2.5rem;
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    border: 4px solid var(--color-bg);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item-left::before {
    right: -10px;
}

.timeline-item-right::before {
    left: -10px;
}

.timeline-date {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.timeline-institution {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.timeline-description {
    line-height: 1.8;
    opacity: 0.9;
}

/* ========== Projects Section ========== */
.projects-section {
    padding: 6rem 2rem;
    background-color: var(--color-card-bg);
}

.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(245, 214, 44, 0.2);
    border-color: var(--color-primary);
}

.project-image-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-tags {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tag {
    padding: 0.3rem 0.8rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-size: 0.75rem;
    border-radius: 15px;
    font-weight: 600;
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.project-description {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.8;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== Modal ========== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2001;
    border: 1px solid var(--color-primary);
    animation: modalFadeIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg);
    border: none;
    border-radius: 50%;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 2002;
}

.modal-close:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.modal-body {
    padding: 2rem;
}

.modal-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.modal-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.modal-section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.modal-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.modal-tech-item {
    padding: 0.6rem 1.2rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.95rem;
}

.modal-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.modal-link:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
} */


/* ========== Contact Section ========== */
.contact-section {
    padding: 6rem 2rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.contact-description {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

/* Form Styles */
.contact-form {
    background-color: var(--color-card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 214, 44, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========== Footer ========== */
.footer {
    background-color: var(--color-card-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer p {
    opacity: 0.7;
}

/* ========== Hobbies Page ========== */
.hobbies-hero {
    padding: 10rem 2rem 4rem;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.8;
}

.hobbies-section {
    padding: 4rem 2rem 6rem;
}

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

.hobby-card {
    background-color: var(--color-card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition);
}

.hobby-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(245, 214, 44, 0.2);
}

.hobby-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
}

.hobby-icon i {
    font-size: 2.5rem;
    color: var(--color-bg);
}

.hobby-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.hobby-description {
    line-height: 1.8;
    opacity: 0.9;
}

/* ========== Animations ========== */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-container {
        gap: 3rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-greeting {
        font-size: 2rem;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-typing-container {
        font-size: 1.4rem;
    }
    
    .hero-image {
        max-width: 300px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        text-align: left;
    }
    
    .timeline-item-left,
    .timeline-item-right {
        left: 0;
    }
    
    .timeline-item::before {
        left: 20px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero-greeting {
        font-size: 1.5rem;
    }
    
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-typing-container {
        font-size: 1.2rem;
    }
    
    .modal-content {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

/* ========== Print Styles ========== */
@media print {
    .navbar,
    .nav-toggle,
    .hero-decoration,
    .filter-btn,
    .modal,
    .footer {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
}