:root {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --accent-color: #64ffda;
    --secondary-color: #8892b0;
    --nav-bg: rgba(10, 10, 10, 0.8);
    --card-bg: #112240;
    --transition: all 0.5s cubic-bezier(0.645, 0.045, 0.355, 1);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    transition: background-color 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Section-specific Lighting Styles */
body.section-about {
    --bg-color: #050505;
    --glow-color: rgba(100, 255, 218, 0.25); /* Teal - Primary Accent */
    --glow-color-2: rgba(100, 255, 218, 0.1);
}

body.section-resume {
    --bg-color: #050505;
    --glow-color: rgba(56, 189, 248, 0.22); /* Electric Blue */
    --glow-color-2: rgba(14, 165, 233, 0.08);
}

body.section-projects {
    --bg-color: #050505;
    --glow-color: rgba(168, 85, 247, 0.22); /* Modern Purple */
    --glow-color-2: rgba(139, 92, 246, 0.08);
}

body.section-blog {
    --bg-color: #050505;
    --glow-color: rgba(244, 63, 94, 0.18); /* Subtle Rose */
    --glow-color-2: rgba(225, 29, 72, 0.08);
}

.no-scroll {
    position: fixed;
    width: 100%;
    height: 100%;
}

/* Background Elements */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background-color: var(--bg-color);
}

.glow-orb {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--glow-color) 0%, rgba(5, 5, 5, 0) 70%);
    top: -200px;
    right: -200px;
    filter: blur(40px);
    transition: background 1.5s ease, transform 1.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

body.section-resume .glow-orb { transform: translate(-150px, 150px); }
body.section-projects .glow-orb { transform: translate(-300px, 100px); }
body.section-blog .glow-orb { transform: translate(-100px, 250px); }

.glow-orb-2 {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-color-2) 0%, rgba(5, 5, 5, 0) 70%);
    bottom: -150px;
    left: -150px;
    filter: blur(60px);
    transition: background 1.5s ease, transform 1.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.8;
}

body.section-resume .glow-orb-2 { transform: translate(150px, -100px); }
body.section-projects .glow-orb-2 { transform: translate(250px, -200px); }
body.section-blog .glow-orb-2 { transform: translate(120px, -150px); }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 4rem;
    background: transparent;
    z-index: 100;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a.active, .nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a.active::after {
    width: 100%;
}

.lang-toggle button {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 600;
    transition: var(--transition);
    border-radius: 4px;
}

.lang-toggle button:hover {
    background: rgba(100, 255, 218, 0.1);
}

/* Main Content Sections */
#main-content {
    position: relative;
    width: 100%;
    height: 100%;
}

.content-section {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6rem 4rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 1;
    overflow-y: auto;
}

.content-section.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    z-index: 10;
}

/* Language Transition Animation - Localized */
.text-fade {
    opacity: 0;
    transform: translateY(2px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* About Section */
.hero-container {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1100px;
    width: 100%;
}

.hero-text {
    flex: 2;
}

.subtitle {
    color: var(--accent-color);
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.name-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.about-description {
    color: var(--secondary-color);
    font-size: 1.1rem;
    max-width: 600px;
}

.about-description p {
    margin-bottom: 1rem;
}

.hero-cta {
    margin-top: 2.5rem;
}

.contact-btn {
    display: inline-block;
    padding: 1rem 2.2rem;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
}

.contact-btn:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -15px var(--accent-color);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.profile-photo {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    filter: grayscale(100%) contrast(1.1);
    transition: var(--transition);
    border: 2px solid var(--accent-color);
    box-shadow: 20px 20px 0 -5px var(--bg-color), 20px 20px 0 0px var(--accent-color);
}

.profile-photo:hover {
    filter: grayscale(0%);
    transform: translate(-5px, -5px);
    box-shadow: 25px 25px 0 -5px var(--bg-color), 25px 25px 0 0px var(--accent-color);
}

/* Resume Section */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.resume-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    width: 100%;
}

.resume-col h3 {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.resume-item {
    position: relative;
    padding-left: 1.5rem;
    border-left: 1px solid var(--secondary-color);
    margin-bottom: 2rem;
}

.resume-dot {
    position: absolute;
    left: -5px;
    top: 0;
    width: 9px;
    height: 9px;
    background: var(--accent-color);
    border-radius: 50%;
}

.resume-item h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.res-date {
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    padding: 0.4rem 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.resume-footer {
    margin-top: 3rem;
}

.cv-btn {
    display: inline-block;
    padding: 1rem 2rem;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.cv-btn:hover {
    background: rgba(100, 255, 218, 0.1);
}

/* Projects Slider */
.projects-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -1rem;
}

.projects-slider {
    display: flex;
    gap: 1.2rem;
    overflow-x: auto;
    padding: 1rem;
    width: 100%;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-snap-type: x mandatory;
}

.project-card {
    width: 310px;
    flex: 0 0 310px;
    scroll-snap-align: start;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

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

.project-img {
    width: 100%;
    height: 175px;
    object-fit: cover;
    opacity: 0.7;
    transition: var(--transition);
}

.project-card:hover .project-img {
    opacity: 1;
}

.project-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-info h3 {
    color: #fff;
    margin-bottom: 0.3rem;
    font-size: 1.05rem;
}

.project-info p {
    color: var(--secondary-color);
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.4rem;
}

/* Navigation Buttons */
.nav-btn {
    background: rgba(100, 255, 218, 0.05);
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--accent-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 5;
    transition: var(--transition);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
}

.projects-container:hover .nav-btn {
    opacity: 1;
}

.nav-btn:hover {
    background: rgba(100, 255, 218, 0.2);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(100, 255, 218, 0.2);
}

.prev-btn { left: -70px; }
.next-btn { right: -70px; }

/* Scroll Indicator */
.scroll-indicator-container {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin-top: 1rem;
    position: relative;
    border-radius: 2px;
    overflow: hidden;
}

.scroll-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.2s ease;
    border-radius: 2px;
}

/* Blogs Slider */
.blog-grid {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 1rem;
    width: 100%;
    max-width: 1200px;
    scrollbar-width: none;
}

.blog-grid::-webkit-scrollbar {
    display: none;
}

.blog-card {
    width: 380px;
    flex: 0 0 380px;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    background: #1d2d50;
}

.blog-date {
    color: var(--accent-color);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.blog-preview {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem 4rem;
    display: flex;
    justify-content: flex-end;
    z-index: 100; /* Increased z-index */
    pointer-events: none; /* Allow clicking through the footer container */
}

.social-links {
    display: flex;
    gap: 1.5rem;
    pointer-events: auto; /* Re-enable clicks for the links themselves */
}

.social-icon {
    color: var(--secondary-color);
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 100%;
    height: 100%;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.165, 0.84, 0.44, 1), visibility 0.5s;
    overflow: hidden;
}

.overlay.active {
    visibility: visible;
    opacity: 1;
}

.overlay-content {
    width: 100%;
    height: 100%;
    padding: 8rem 2rem;
    overflow-y: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    transform: scale(0.98) translateY(10px);
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.overlay.active .overlay-content {
    transform: scale(1) translateY(0);
}

#overlay-body {
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 5rem;
}

.close-overlay {
    position: fixed;
    top: 2rem;
    right: 4rem;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1010;
    transition: var(--transition);
}

.close-overlay:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    transform: rotate(90deg);
}

/* Enhanced Blog Typography */
.blog-full-content h2 {
    color: white;
    font-family: var(--font-heading);
    font-size: 2rem;
    margin: 3rem 0 1.5rem 0;
    line-height: 1.3;
}

.blog-full-content p {
    color: var(--secondary-color);
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.blog-full-content strong {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 1400px) {
    .prev-btn { left: -20px; }
    .next-btn { right: -20px; }
}

@media (max-width: 992px) {
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
    }
    .name-title {
        font-size: 3rem;
    }
    .resume-grid {
        grid-template-columns: 1fr;
    }
    .blog-grid {
        grid-template-columns: 1fr 1fr;
    }
    .navbar {
        padding: 1.5rem 2rem;
    }
    .prev-btn, .next-btn {
        display: none; /* Hide buttons on tablet/mobile as touch is preferred */
    }
    .projects-container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile nav would need a toggle, but for single page we can keep it simple */
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
}