/* Futuristic and Tech-inspired Portfolio Stylesheet */

/*================================================================
  1. Global Styles & Variables
================================================================*/
:root {
    --primary-color: #00aaff; /* Electric Blue */
    --secondary-color: #00ff7f; /* Neon Green */
    --accent-color: #c0c0c0; /* Metallic Silver */
    --background-color: #0a0a0a; /* Near Black */
    --surface-color: #1a1a1a; /* Dark Gray for cards/surfaces */
    --text-color: #e0e0e0;
    --heading-color: #ffffff;
    --border-color: rgba(192, 192, 192, 0.2);

    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Roboto Mono', monospace;

    --transition-speed: 0.4s;
}

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Roboto+Mono:wght@300;400&display=swap');


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

body {
    font-family: var(--font-secondary);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--heading-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

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

section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

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

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--accent-color);
    max-width: 700px;
    margin: 0 auto;
}

/*================================================================
  2. Backgrounds & Animations
================================================================*/
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background-color: var(--background-color);
    /* Add a subtle background image here */
    /* background-image: url('../images/tech-background.jpg'); */
    background-size: cover;
    background-position: center;
}

.animated-section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animated-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/*================================================================
  3. Navigation
================================================================*/
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 30px rgba(0, 170, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo-img {
    height: 50px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-color);
    padding: 5px 0;
    position: relative;
}

.nav-link::before, .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-speed) ease;
}

.nav-link::before {
    top: -5px;
    left: 0;
}

.nav-link::after {
    bottom: -5px;
    right: 0;
}

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

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

/*================================================================
  4. Hero Section
================================================================*/
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
    text-shadow: 0 0 15px rgba(0, 170, 255, 0.5);
}

.highlight {
    color: var(--primary-color);
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-family: var(--font-secondary);
    text-transform: none;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.hero-buttons .btn {
    margin: 0 10px;
}

.btn {
    font-family: var(--font-primary);
    padding: 15px 35px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    display: inline-block;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.4);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--background-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 25px rgba(0, 255, 127, 0.6);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-3px) scale(1.05);
}

/*================================================================
  5. About Section
================================================================*/
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
}

.about-image-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    position: relative;
    z-index: 2;
}

.about-image-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: transform var(--transition-speed) ease;
}

.about-image-container:hover .about-image-bg {
    transform: translate(-50%, -50%) scale(1.1);
}

.about-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

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

.skill-category {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 170, 255, 0.15);
    border-color: var(--primary-color);
}

.skill-category-title {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: rgba(0, 170, 255, 0.1);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 400;
    border: 1px solid rgba(0, 170, 255, 0.3);
    transition: all var(--transition-speed) ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--background-color);
    transform: scale(1.1);
}

/*================================================================
  7. Projects Section
================================================================*/
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--surface-color);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-speed) ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 255, 127, 0.15);
    border-color: var(--secondary-color);
}

.project-title {
    color: var(--secondary-color);
    margin: 1rem 0;
}

.project-description {
    margin-bottom: 1.5rem;
}

/*================================================================
  8. Startup Ideas Section
================================================================*/
.startup-ideas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.startup-card {
    background: linear-gradient(145deg, var(--surface-color), #222);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-speed) ease;
}

.startup-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(192, 192, 192, 0.1);
    border-color: var(--accent-color);
}

.startup-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 1.5rem;
}

.startup-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.startup-title {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.startup-description {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.startup-details {
    margin-top: auto;
}

.startup-details h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.startup-flowchart {
    /* Placeholder for flowchart/mockup */
    background: rgba(0,0,0,0.2);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    color: var(--accent-color);
    font-style: italic;
}

/*================================================================
  9. Contact Section
================================================================*/
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background: #0a0a0a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-family: var(--font-secondary);
    margin-bottom: 1.5rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 170, 255, 0.3);
}

/*================================================================
  10. Footer
================================================================*/
.footer {
    background: #000;
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-social {
    margin-top: 1rem;
}

.footer-social .social-link {
    font-size: 1.5rem;
    margin: 0 15px;
    color: var(--accent-color);
}

/*================================================================
  Experience Section
================================================================*/
.experience {
    padding: 5rem 0;
    background: linear-gradient(135deg, #111 0%, #0a0a0a 100%);
}

.experience-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.experience-item {
    margin: 3rem 0;
    position: relative;
}

.experience-item:nth-child(odd) .experience-content {
    margin-left: 0;
    margin-right: 50%;
    padding-right: 3rem;
    text-align: right;
}

.experience-item:nth-child(even) .experience-content {
    margin-left: 50%;
    margin-right: 0;
    padding-left: 3rem;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 1rem;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px var(--primary-color);
}

.experience-content {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

.experience-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 170, 255, 0.2);
    border-color: var(--primary-color);
}

.experience-title {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.experience-company {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.experience-period {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.experience-responsibilities {
    list-style: none;
    padding: 0;
}

.experience-responsibilities li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.experience-responsibilities li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

/*================================================================
  Education Section
================================================================*/
.education {
    padding: 5rem 0;
    background: var(--background-color);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.education-card {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 170, 255, 0.05), transparent);
    transform: rotate(-45deg);
    transition: all 0.6s;
    opacity: 0;
}

.education-card:hover::before {
    opacity: 1;
    animation: shimmer 1.5s ease-in-out;
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 170, 255, 0.3);
    border-color: var(--primary-color);
}

.education-degree {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.education-institution {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.education-period {
    color: var(--accent-color);
    font-size: 0.9rem;
    opacity: 0.8;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/*================================================================
  Responsive Design for New Sections
================================================================*/
@media (max-width: 768px) {
    .experience-timeline::before {
        left: 30px;
    }

    .experience-item::before {
        left: 30px;
    }

    .experience-item:nth-child(odd) .experience-content,
    .experience-item:nth-child(even) .experience-content {
        margin-left: 60px;
        margin-right: 0;
        padding-left: 2rem;
        padding-right: 1rem;
        text-align: left;
    }

    .education-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Mobile Navigation */
    .nav-toggle {
        display: block;
        color: var(--primary-color);
        font-size: 1.5rem;
        cursor: pointer;
        transition: all var(--transition-speed);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 2rem;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .nav-menu-open {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 0.5rem 1rem;
    }
}

@media (min-width: 769px) {
    .nav-toggle {
        display: none;
    }
}