/* Global Styles */
:root {
    --bg-color: #0a0a0a;
    --card-bg: #161616;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #8a2be2;
    /* BlueViolet */
    --accent-glow: #8a2be280;
    --highlight-color: #00e5ff;
    /* Cyan */
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* Light Mode Variables */
body.light-mode {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent-color: #6200ea;
    /* Deep Purple */
    --accent-glow: #6200ea40;
    --highlight-color: #0091ea;
    /* Darker Cyan */
}

/* Light Mode Specific Overrides */
body.light-mode .header {
    background-color: rgba(240, 242, 245, 0.9);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

body.light-mode .btn-outline {
    border-color: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
}

body.light-mode .btn-outline:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: var(--text-primary);
}

body.light-mode .timeline::after {
    background-color: rgba(0, 0, 0, 0.1);
}

body.light-mode .skill-card,
body.light-mode .edu-card,
body.light-mode .contact-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

body.light-mode .footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}



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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Header & Navbar */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.dot {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.btn-contact {
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--accent-color);
    border-radius: 20px;
    color: var(--accent-color);
}

.btn-contact:hover {
    background-color: var(--accent-color);
    color: white;
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 0 15px var(--accent-glow);
}

.nav-controls {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
    align-items: center;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

body.light-mode .btn-icon:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.lang-btn {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 5px auto;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    background: radial-gradient(circle at top right, rgba(138, 43, 226, 0.1), transparent 40%);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    max-width: 1200px;
    width: 100%;
}

.hero-image-container {
    flex: 0 0 auto;
}

.hero-img {
    width: 350px;
    height: auto;
    border-radius: 50%;
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 30px var(--accent-glow);
    transition: var(--transition);
}

.hero-img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px var(--accent-glow);
}

.hero-content {
    flex: 1;
    max-width: 600px;
    text-align: left;
}

.hero-greeting {
    color: var(--highlight-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.hero-name {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
}

body.light-mode .hero-name {
    color: #1a1a1a;
}

.hero-title {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-title .highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0 0 3rem 0;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-start;
}

.btn {
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-color), #6a1b9a);
    color: white;
    border: none;
    box-shadow: 0 5px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Sections Global */
.section {
    padding: 80px 200px;
}

/* large padding for desktop */

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

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    border-left: 5px solid var(--accent-color);
    padding-left: 15px;
    color: var(--text-primary);
}


/* About Section */
.about-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    line-height: 1.8;
}

/* Skills Section */
.bg-alt {
    background-color: rgba(255, 255, 255, 0.02);
}

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

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.skill-card h3 {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--highlight-color);
    font-size: 1.3rem;
}

.skill-card ul li {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.skill-card ul li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Timeline / Experience */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: rgba(255, 255, 255, 0.1);
    top: 0;
    bottom: 0;
    left: 0;
    margin-left: -1px;
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    padding-left: 40px;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    right: auto;
    background-color: var(--bg-color);
    border: 2px solid var(--accent-color);
    top: 5px;
    border-radius: 50%;
    z-index: 1;
    left: -9px;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--highlight-color);
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 1rem;
}

.timeline-content ul li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    list-style: disc;
    margin-left: 20px;
}

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

.edu-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border-left: 3px solid var(--highlight-color);
}

.edu-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.edu-card h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.edu-card .date {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.subsection-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.cert-list li {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    padding-left: 20px;
    border-left: 2px solid var(--accent-color);
}

/* Contact */
.contact-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-item .icon {
    font-size: 1.2rem;
}

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

/* Social Links Specifics */
.social-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.social-links i {
    font-size: 1.2rem;
}


/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .section {
        padding: 60px 50px;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .hero-img {
        width: 250px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 20px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--card-bg);
        width: 100%;
        text-align: center;
        padding: 2rem 0;
        transition: 0.3s;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        gap: 1.5rem;
    }

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

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

    .hero-title {
        font-size: 1.3rem;
    }

    .section {
        padding: 60px 20px;
    }

    .timeline::after {
        left: 20px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-item::after {
        left: 11px;
    }

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