/* CSS Variables for theming. Dark mode is default. */
:root {
    --background-color: #121212;
    --primary-text: #ffffff;
    --secondary-text: #a0a0a0;
    --accent-color: #3b82f6;
    --border-color: rgba(255, 255, 255, 0.1);
    --h-color: #ffffff;
    --nav-background: rgba(28, 28, 30, 0.7);
    --section-background: #1e1e1e;
    --card-background: #1e1e1e;
    --page-background: #1e1e1e;
    --fallback-bg-light: #2a2a2a;
    --fallback-bg-dark: #1a1a1a;
    --mobile-padding: 1rem;
    --tablet-padding: 1.5rem;
    --desktop-padding: 2rem;
}

/* Light mode variables */
body.light-mode {
    --background-color: #f0f2f5;
    --page-background: #ffffff;
    --primary-text: #1c1c1e;
    --secondary-text: #65676b;
    --border-color: #e0e0e0;
    --h-color: #1c1c1e;
    --nav-background: rgba(245, 245, 247, 0.75);
    --section-background: #ffffff;
    --card-background: #ffffff;
    --fallback-bg-light: #f8fafc;
    --fallback-bg-dark: #e2e8f0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    background-color: var(--background-color);
    font-family: 'Inter', sans-serif;
    margin: 0;
    color: var(--primary-text);
    transition: background-color 0.3s ease;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--mobile-padding);
    box-sizing: border-box;
}

/* Generic Section Styling */
.content-section {
    padding: 4rem var(--mobile-padding);
    min-height: 60vh;
}
.section-header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 3rem;
}
.section-title {
    font-size: 2rem; /* Better for mobile */
    font-weight: 700;
    text-align: center;
    color: var(--h-color);
    margin: 0;
    line-height: 1.2;
}
.header-theme-toggle {
    position: absolute;
    right: 0;
}

/* Floating Curved Navbar */
.navbar {
    position: fixed;
    top: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 1.5rem);
    max-width: 600px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--nav-background);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    animation: floatIn 1s ease-out;
    box-sizing: border-box;
    overflow: hidden;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Desktop Nav Links */
.nav-links {
    display: none; /* Hidden by default, shown on larger screens */
    background-color: rgba(128, 128, 128, 0.1);
    border-radius: 999px;
    padding: 0.25rem;
    flex-shrink: 1;
    min-width: 0;
}

.nav-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    transition: color 0.3s ease, background-color 0.3s ease;
    font-size: 0.85rem;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--primary-text);
}

.nav-links a.active {
    background-color: var(--accent-color);
    color: white;
}

.nav-right-cluster {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-right: 0.5rem;
    flex-shrink: 0;
}

/* Mobile Nav Toggle Button */
.nav-toggle-btn {
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.75rem;
    display: block; /* Shown by default, hidden on larger screens */
    min-width: 44px; /* Better touch target */
    min-height: 44px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.nav-toggle-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Navigation Menu */
.mobile-nav-menu {
    display: none; /* Initially hidden */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    box-sizing: border-box;
}

.mobile-nav-menu.show-nav {
    display: flex; /* Show when active */
}

.mobile-nav-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.75rem;
    min-width: 44px;
    min-height: 44px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    z-index: 1000;
}

.mobile-nav-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav-menu a {
    color: white;
    font-size: 1.75rem;
    font-weight: 600;
    text-decoration: none;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInNav 0.3s ease-out forwards;
    padding: 1rem 2rem;
    border-radius: 12px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 300px;
}

.mobile-nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

/* Staggered animation for mobile nav links */
.mobile-nav-menu a:nth-child(1) { animation-delay: 0.1s; }
.mobile-nav-menu a:nth-child(2) { animation-delay: 0.15s; }
.mobile-nav-menu a:nth-child(3) { animation-delay: 0.2s; }
.mobile-nav-menu a:nth-child(4) { animation-delay: 0.25s; }
.mobile-nav-menu a:nth-child(5) { animation-delay: 0.3s; }
.mobile-nav-menu a:nth-child(6) { animation-delay: 0.35s; }
.mobile-nav-menu a:nth-child(7) { animation-delay: 0.4s; }
.mobile-nav-menu a:nth-child(8) { animation-delay: 0.45s; }

@keyframes fadeInNav {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Theme Toggle Switch */
.theme-switch { display: inline-block; height: 24px; position: relative; width: 50px; }
.theme-switch input { display:none; }
.slider { background-color: #444; bottom: 0; cursor: pointer; left: 0; position: absolute; right: 0; top: 0; transition: .4s; border-radius: 34px; }
.slider:before { background-color: #fff; bottom: 2px; content: ""; height: 20px; left: 2px; position: absolute; transition: .4s; width: 20px; border-radius: 50%; }
input:checked + .slider { background-color: var(--accent-color); }
input:checked + .slider:before { transform: translateX(26px); }


/* Hero Section */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 5rem var(--mobile-padding) 2rem var(--mobile-padding);
    width: 100%;
    box-sizing: border-box;
    background-color: var(--background-color); /* Fallback color */
    overflow: hidden; /* To contain the pseudo-element */
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('resources/images/hero-image.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.15; /* Faded effect */
    z-index: 0;
}

.hero-grid {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 800px;
}

.hero-text {
    animation: fadeIn 1s 0.2s ease-out backwards;
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0;
    line-height: 1.1;
    color: var(--h-color);
}

.hero-text .subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: 1rem 0;
    height: 2rem;
}

.typing-cursor {
    animation: blink 0.7s infinite;
}

.hero-text p {
    font-size: 1rem;
    color: var(--secondary-text);
    line-height: 1.7;
    max-width: 600px; /* Increased max-width for centered layout */
    margin: 1.5rem auto 2rem auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    min-height: 44px; /* Better touch target */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.btn-primary { background-color: var(--accent-color); color: white; }
.btn-secondary { background-color: transparent; color: var(--accent-color); border: 2px solid var(--accent-color); }
.btn:hover { transform: translateY(-3px); box-shadow: 0 4px 15px rgba(0,0,0,0.2); }

/* About Me Section */
.about-me-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    width: 100%;
    align-items: flex-start;
}

.profile-sidebar {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: static; /* Unstick for mobile */
    margin-bottom: 1rem;
}

.profile-picture {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid var(--accent-color);
    object-fit: cover;
    margin-bottom: 1.5rem;
}

.profile-name { font-size: 1.75rem; font-weight: 600; margin: 0; color: var(--primary-text); }
.profile-title { font-size: 1rem; font-weight: 500; color: var(--accent-color); margin: 0.25rem 0 1.5rem 0; }
.social-links a { color: var(--secondary-text); font-size: 1.5rem; margin: 0 0.75rem; transition: color 0.3s ease; }
.social-links a:hover { color: var(--accent-color); }

.main-content {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.main-content h3 { font-size: 1.75rem; font-weight: 600; color: var(--h-color); margin-top: 0; margin-bottom: 1.5rem; border-bottom: 2px solid var(--accent-color); padding-bottom: 0.5rem; display: inline-block; }
.main-content p { font-size: 1rem; line-height: 1.8; color: var(--secondary-text); margin-bottom: 2rem; }

/* Personal Information Inline */
.personal-info-inline {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.info-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.info-row:last-child {
    margin-bottom: 0;
}

.info-item-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--secondary-text);
    flex: 1;
    min-width: 100%;
}

.info-item-inline i {
    color: var(--accent-color);
    width: 16px;
    text-align: center;
}

.info-item-inline strong {
    color: var(--primary-text);
    font-weight: 600;
}

.info-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-link:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* --- TECHNICAL SKILLS SECTION (SKILLICONS.DEV) --- */
.skills-grid-final {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    margin-top: 3rem;
}

.skills-image-container-final {
    text-align: center;
}

.skills-showcase-image-final {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.skills-category-final {
    margin-bottom: 2.5rem;
}
.skills-category-final:last-child {
    margin-bottom: 0;
}

.skills-category-final h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.skills-icon-strip {
    height: 40px; /* Control the size of the icons */
    /* Optional: add a little space between icon strips */
    margin-top: 0.5rem; 
}

.custom-skills-strip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.skill-icon {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.skill-icon:hover {
    transform: scale(1.1);
}

/* --- RESUME SECTION STYLES --- */
.resume-container {
    width: 100%;
    max-width: 900px;
    background-color: var(--page-background);
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    margin: 2rem auto 0 auto;
}
.header-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start; /* Changed for mobile */
    position: relative;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
    flex-direction: column; /* Changed for mobile */
    gap: 1.5rem; /* Added for mobile */
}
.header-left h1 {
    font-size: 1.75rem; /* Better for mobile */
    margin: 0;
    color: var(--h-color);
    line-height: 1.2;
}
.header-left p {
    font-size: 1.1rem; /* Adjusted for mobile */
    margin: 0.25rem 0 0 0;
    color: var(--accent-color);
    font-weight: 500;
}
.contact-info {
    text-align: left; /* Changed for mobile */
    font-size: 0.85rem;
    width: 100%;
}
.contact-info a {
    display: block;
    color: var(--secondary-text);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}
.contact-info a:hover {
    color: var(--accent-color);
}
.contact-info i {
    margin-left: 0.5rem;
}
.resume-section {
    margin-bottom: 2.5rem;
}
.resume-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--h-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}
.item-container {
    margin-bottom: 1.5rem;
}
.item-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-text);
    display: flex;
    align-items: center;
}
.item-title a {
    color: var(--accent-color);
    margin-left: 0.75rem;
    text-decoration: none;
    font-size: 1rem;
}
.item-title a:hover {
    text-decoration: underline;
}
.item-info {
    display: flex;
    flex-direction: column;
    color: var(--secondary-text);
    margin: 0.25rem 0 0.5rem 0;
    font-size: 0.85rem;
    gap: 0.25rem;
}
.item-duties, .item-description {
    padding-left: 1.25rem;
    color: var(--secondary-text);
    line-height: 1.6;
}
.item-description {
    list-style: none;
    padding-left: 0;
}
.tech-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tech-list li {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}
.skill-categories {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
.skill-category h3 {
    font-size: 1.1rem;
    color: var(--primary-text);
    margin-bottom: 1rem;
    font-weight: 600;
}
.skills-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.skills-list li {
    color: var(--secondary-text);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    font-size: 1rem;
}
.skills-list li i {
    color: var(--accent-color);
    width: 25px;
    text-align: center;
    margin-right: 0.75rem;
    font-size: 1.2rem;
}
.download-button-container {
    text-align: center;
    margin-top: 2rem;
}
.download-button {
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}
.download-button:hover {
    background-color: #2563eb;
    color: white;
    text-decoration: none;
}

/* Projects Section */
.projects-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; width: 100%; }
.project-card { background-color: var(--card-background); border: 1px solid var(--border-color); border-radius: 16px; display: flex; flex-direction: column; transition: transform 0.3s ease, box-shadow 0.3s ease; overflow: hidden; }
.project-card:hover { transform: translateY(-5px); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2); }
.project-image-container { position: relative; width: 100%; height: 200px; overflow: hidden; }
.project-image { width: 100%; height: 100%; object-fit: cover; }
.project-image-fallback { 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(135deg, var(--fallback-bg-light), var(--fallback-bg-dark)); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    position: absolute; 
    top: 0; 
    left: 0; 
}
.project-fallback-text { 
    color: var(--primary-text); 
    font-size: 2rem; 
    font-weight: 700; 
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1); 
    letter-spacing: 2px; 
    opacity: 0.8; 
}
.project-content { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.project-title { font-size: 1.25rem; font-weight: 600; color: var(--primary-text); margin: 0 0 1rem 0; }
.project-description { color: var(--secondary-text); line-height: 1.6; flex-grow: 1; margin-bottom: 1.5rem; font-size: 0.9rem; }
.project-footer { margin-top: auto; border-top: 1px solid var(--border-color); padding-top: 1rem; }
.project-link { color: var(--accent-color); text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; }
.project-link:hover { text-decoration: underline; }

/* Freelancing Section */
.freelancing-content {
    max-width: 1000px;
    margin: 0 auto;
}
.freelancing-intro {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}
.freelancing-intro h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--h-color);
    margin: 0 0 1rem 0;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}
.freelancing-role {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 600;
    margin: 0.5rem 0 1rem 0;
}
.freelancing-description {
    color: var(--secondary-text);
    line-height: 1.8;
    font-size: 1rem;
    margin: 0;
}
.freelancing-gallery {
    margin-top: 2rem;
}
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.freelancing-gallery h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--h-color);
    margin: 0;
}
.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
}
.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}
.gallery-thumbnail-item {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    aspect-ratio: 1;
}
.gallery-thumbnail-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}
.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Gallery Modal */
.gallery-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}
.gallery-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.gallery-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    z-index: 2001;
}
.gallery-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}
.gallery-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 1rem 1.25rem;
    border-radius: 50%;
    min-width: 50px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    z-index: 2001;
}
.gallery-nav-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
}
.gallery-nav-prev {
    left: -60px;
}
.gallery-nav-next {
    right: -60px;
}
.gallery-modal-image-container {
    width: 100%;
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.05);
}
.gallery-modal-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    animation: fadeIn 0.3s ease;
}
.gallery-modal-info {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

@media screen and (min-width: 600px) {
    .gallery-thumbnails {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media screen and (min-width: 768px) {
    .gallery-nav-prev {
        left: -80px;
    }
    .gallery-nav-next {
        right: -80px;
    }
}

@media screen and (max-width: 768px) {
    .gallery-nav-prev {
        left: 10px;
    }
    .gallery-nav-next {
        right: 10px;
    }
    .gallery-nav-btn {
        padding: 0.75rem;
        min-width: 44px;
        min-height: 44px;
        font-size: 1.25rem;
    }
    .gallery-modal-close {
        top: 10px;
        right: 10px;
    }
    .gallery-modal-info {
        bottom: 10px;
    }
}

/* Education Section */
.education-timeline { position: relative; max-width: 800px; margin: 0 auto; }
.education-timeline::after { content: ''; position: absolute; width: 3px; background-color: var(--border-color); top: 0; bottom: 0; left: 20px; margin-left: -1.5px; }
.edu-container { padding: 10px 0 10px 50px; position: relative; background-color: inherit; width: 100%; box-sizing: border-box; z-index: 1; opacity: 0; transition: opacity 0.6s ease-out, transform 0.6s ease-out; transform: translateX(-30px); margin-bottom: 1rem; }
.edu-container.left, .edu-container.right { left: 0; }
.edu-container.is-visible { opacity: 1; transform: translateX(0); }
.edu-container::after { font-family: "Font Awesome 5 Free"; font-weight: 900; position: absolute; width: 40px; height: 40px; left: 0; background-color: var(--card-background); border: 3px solid var(--accent-color); top: 50%; transform: translateY(-50%); border-radius: 50%; z-index: 1; display: flex; justify-content: center; align-items: center; font-size: 16px; color: var(--accent-color); }
.edu-container.btech::after { content: '\f19d'; }
.edu-container.grade-12::after { content: '\f51c'; }
.edu-container.grade-10::after { content: '\f02d'; }
.edu-content { padding: 1rem; background-color: var(--card-background); position: relative; border-radius: 8px; border: 1px solid var(--border-color); }
.edu-content h5 { margin-top: 0; color: var(--primary-text); }
.edu-content p { margin: 5px 0; color: var(--secondary-text); font-size: 0.9rem; }
.edu-year { font-weight: 600; color: var(--accent-color); }

/* Experience Section - Using Education Template (Vertical) */
.experience-timeline { 
    position: relative; 
    max-width: 800px; 
    margin: 3rem auto 0; 
}
.experience-timeline::after { 
    content: ''; 
    position: absolute; 
    width: 3px; 
    background-color: var(--border-color); 
    top: 0; 
    bottom: 0; 
    left: 20px; 
    margin-left: -1.5px; 
}
.exp-container { 
    padding: 10px 0 10px 50px; 
    position: relative; 
    background-color: inherit; 
    width: 100%; 
    box-sizing: border-box; 
    z-index: 1; 
    opacity: 0; 
    transition: opacity 0.6s ease-out, transform 0.6s ease-out; 
    transform: translateX(-30px); 
    margin-bottom: 1rem; 
}
.exp-container.left, .exp-container.right { 
    left: 0; 
}
.exp-container.is-visible { 
    opacity: 1; 
    transform: translateX(0); 
}
.exp-container::after { 
    font-family: "Font Awesome 5 Free"; 
    font-weight: 900; 
    position: absolute; 
    width: 40px; 
    height: 40px; 
    left: 0; 
    background-color: var(--card-background); 
    border: 3px solid var(--accent-color); 
    top: 50%; 
    transform: translateY(-50%); 
    border-radius: 50%; 
    z-index: 1; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    font-size: 16px; 
    color: var(--accent-color); 
}
.exp-container.pragyashal::after { 
    content: '\f0f2'; 
}
.exp-container.current::after { 
    content: '\f0b1'; 
}
.exp-content { 
    padding: 1rem; 
    background-color: var(--card-background); 
    position: relative; 
    border-radius: 8px; 
    border: 1px solid var(--border-color); 
}
.exp-content h5 { 
    margin-top: 0; 
    color: var(--primary-text); 
    font-size: 1.1rem;
    font-weight: 600;
}
.exp-content p { 
    margin: 5px 0; 
    color: var(--secondary-text); 
    font-size: 0.9rem; 
}
.exp-company {
    color: var(--accent-color);
    font-weight: 600;
}
.exp-period { 
    font-weight: 600; 
    color: var(--accent-color); 
}
.exp-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.exp-location i {
    color: var(--accent-color);
    font-size: 0.85rem;
}


/* Old Experience Section - Keep for backward compatibility */
.experience-timeline-section {
    position: relative;
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 3rem 2rem;
}

.timeline-container {
    position: relative;
    width: 100%;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--accent-color);
    z-index: 1;
    opacity: 0.6;
}

.timeline-cards {
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    gap: 3rem;
    margin-top: 1rem;
    padding: 0 2rem;
    z-index: 2;
    flex-wrap: wrap;
}

.experience-card {
    position: relative;
    flex: 1;
    min-width: 300px;
    max-width: 420px;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.experience-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-node {
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    z-index: 3;
    box-shadow: 0 0 0 4px var(--section-background), 0 0 0 8px rgba(59, 130, 246, 0.2);
}

.card-wrapper {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.experience-card:hover .card-wrapper {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.25);
    border-color: var(--accent-color);
}

.current-card .card-wrapper {
    border-color: var(--accent-color);
    box-shadow: 0 4px 25px rgba(59, 130, 246, 0.3);
}

.current-card .card-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--accent-color);
    border-radius: 16px;
    opacity: 0.3;
    pointer-events: none;
}

.date-label {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.role-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-text);
    margin: 0 0 0.75rem 0;
    line-height: 1.3;
}

.company-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: 0 0 1.5rem 0;
}

.location-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: rgba(128, 128, 128, 0.1);
    border-radius: 10px;
    color: var(--primary-text);
    font-size: 0.95rem;
    margin-top: 1rem;
}

.location-container i {
    color: var(--accent-color);
    font-size: 1rem;
}

.location-container span {
    color: var(--primary-text);
}

/* Light Mode Adjustments */
body.light-mode .timeline-line {
    opacity: 0.4;
}

body.light-mode .timeline-node {
    box-shadow: 0 0 0 4px var(--page-background), 0 0 0 8px rgba(59, 130, 246, 0.15);
}

body.light-mode .card-wrapper {
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

body.light-mode .experience-card:hover .card-wrapper {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
}

body.light-mode .location-container {
    background: rgba(128, 128, 128, 0.08);
}

/* Tablet */
@media screen and (max-width: 992px) {
    .experience-timeline-section {
        padding: 2rem 1.5rem;
    }
    
    .timeline-line {
        left: 8%;
        right: 8%;
    }
    
    .timeline-cards {
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .experience-card {
        min-width: 280px;
        max-width: 380px;
    }
    
    .card-wrapper {
        padding: 1.75rem;
    }
    
    .role-title {
        font-size: 1.5rem;
    }
}

/* Mobile - Vertical Stack */
@media screen and (max-width: 768px) {
    .experience-timeline-section {
        padding: 2rem 1rem;
        margin-top: 2rem;
    }
    
    .timeline-line {
        display: none;
    }
    
    .timeline-cards {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
        padding: 0;
        margin-top: 0;
    }
    
    .experience-card {
        min-width: 100%;
        max-width: 100%;
        margin-top: 0;
    }
    
    .timeline-node {
        display: none;
    }
    
    .card-wrapper {
        padding: 1.5rem;
    }
    
    .role-title {
        font-size: 1.4rem;
    }
    
    .company-text {
        font-size: 1rem;
    }
    
    .date-label {
        font-size: 0.7rem;
        padding: 0.45rem 1rem;
    }
    
    .location-container {
        font-size: 0.9rem;
        padding: 0.875rem 1rem;
    }
}

/* Small Mobile */
@media screen and (max-width: 480px) {
    .experience-timeline-section {
        padding: 1.5rem 0.75rem;
    }
    
    .card-wrapper {
        padding: 1.25rem;
    }
    
    .role-title {
        font-size: 1.25rem;
    }
    
    .company-text {
        font-size: 0.95rem;
    }
    
    .date-label {
        font-size: 0.65rem;
        padding: 0.4rem 0.9rem;
    }
    
    .location-container {
        font-size: 0.85rem;
        padding: 0.75rem 0.9rem;
    }
}

/* Old Experience Section - Keep for backward compatibility */
.experience-timeline-wrapper {
    position: relative;
    max-width: 1100px;
    margin: 4rem auto 0;
    padding: 3rem 2rem;
    min-height: 400px;
}

.experience-timeline-line {
    position: absolute;
    top: 2rem;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: var(--accent-color);
    z-index: 1;
    opacity: 0.5;
}

.experience-timeline-items {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 5rem;
    z-index: 2;
    padding: 2rem 0;
}

.timeline-item {
    position: relative;
    width: 100%;
    display: flex;
    align-items: flex-start;
    min-height: 120px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item-left {
    justify-content: flex-start;
    padding-right: calc(50% + 3rem);
    text-align: left;
}

.timeline-item-right {
    justify-content: flex-end;
    padding-left: calc(50% + 3rem);
    text-align: right;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0.75rem;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    border: 3px solid var(--card-background);
    background: var(--accent-color);
    border-radius: 50%;
    z-index: 3;
    transition: all 0.3s ease;
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
}

.timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.5);
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.2);
}

.timeline-content {
    width: 100%;
    max-width: 450px;
    position: relative;
}

.timeline-item-right .timeline-content {
    margin-left: auto;
}

.timeline-date-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.timeline-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-text);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.timeline-company {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: 0 0 1rem 0;
}

.timeline-description-box {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    margin-top: 0.5rem;
}

.timeline-item:hover .timeline-description-box {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.timeline-description {
    font-size: 1rem;
    color: var(--secondary-text);
    line-height: 1.7;
    margin: 0;
}

/* Light Mode Adjustments */
body.light-mode .experience-timeline-line {
    opacity: 0.3;
}

body.light-mode .timeline-marker {
    border-color: var(--page-background);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

body.light-mode .timeline-description-box {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

body.light-mode .timeline-item:hover .timeline-description-box {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

/* Tablet Experience Timeline */
@media screen and (max-width: 992px) and (min-width: 769px) {
    .experience-timeline-wrapper {
        padding: 3rem 1.5rem;
    }
    
    .timeline-content {
        max-width: 380px;
    }
    
    .timeline-item-left {
        padding-right: calc(50% + 2.5rem);
    }
    
    .timeline-item-right {
        padding-left: calc(50% + 2.5rem);
    }
}

/* Mobile Experience Timeline */
@media screen and (max-width: 768px) {
    .experience-timeline-wrapper {
        padding: 2rem 1rem;
        margin-top: 2rem;
    }
    
    .experience-timeline-line {
        left: 1.5rem;
        top: 1.5rem;
        bottom: 1.5rem;
        transform: none;
    }
    
    .experience-timeline-items {
        gap: 3.5rem;
        padding: 1.5rem 0;
    }
    
    .timeline-item {
        min-height: 100px;
    }
    
    .timeline-item-left,
    .timeline-item-right {
        justify-content: flex-start;
        padding-left: 3.5rem;
        padding-right: 0;
        text-align: left;
    }
    
    .timeline-marker {
        left: 1.5rem;
        top: 0.5rem;
        transform: translateX(-50%);
    }
    
    .timeline-item:hover .timeline-marker {
        transform: translateX(-50%) scale(1.5);
    }
    
    .timeline-content {
        max-width: 100%;
    }
    
    .timeline-item-right .timeline-content {
        margin-left: 0;
    }
    
    .timeline-title {
        font-size: 1.4rem;
    }
    
    .timeline-company {
        font-size: 1rem;
    }
    
    .timeline-description {
        font-size: 0.95rem;
    }
    
    .timeline-date-badge {
        font-size: 0.7rem;
        padding: 0.45rem 1rem;
    }
    
    .timeline-description-box {
        padding: 1rem 1.25rem;
    }
}

/* Small Mobile Experience Timeline */
@media screen and (max-width: 480px) {
    .experience-timeline-wrapper {
        padding: 1.5rem 0.75rem;
    }
    
    .experience-timeline-line {
        left: 1.25rem;
        top: 1.5rem;
        bottom: 1.5rem;
    }
    
    .timeline-item-left,
    .timeline-item-right {
        padding-left: 3rem;
    }
    
    .timeline-marker {
        left: 1.25rem;
        width: 12px;
        height: 12px;
        border-width: 2px;
    }
    
    .timeline-title {
        font-size: 1.25rem;
    }
    
    .timeline-company {
        font-size: 0.95rem;
    }
    
    .timeline-date-badge {
        font-size: 0.65rem;
        padding: 0.4rem 0.85rem;
    }
}

/* Certifications Section (Swiper) */
#certifications .swiper { width: 100%; padding-top: 50px; padding-bottom: 50px; }

/* Mobile Deck of Cards */
.mobile-cert-deck {
    display: none;
    width: 100%;
    padding: 2rem 0;
}

.cert-deck-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    height: 500px;
    margin: 0 auto;
    perspective: 1000px;
}

.cert-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    box-sizing: border-box;
    transition: transform 0.6s ease, opacity 0.6s ease, z-index 0.6s ease;
    transform-origin: center center;
    opacity: 0;
    z-index: 1;
    overflow: hidden;
}

.cert-card.active {
    opacity: 1;
    z-index: 3;
    transform: translateZ(0) scale(1);
}

.cert-card.prev {
    opacity: 0.3;
    z-index: 2;
    transform: translateZ(-50px) scale(0.9) translateX(-20px);
}

.cert-card.next {
    opacity: 0.3;
    z-index: 2;
    transform: translateZ(-50px) scale(0.9) translateX(20px);
}

.mobile-cert-deck .card-header {
    text-align: center;
    padding-bottom: 0.75rem;
    flex-shrink: 0;
}

.mobile-cert-deck .cert-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 8px;
    display: block;
    margin: 0 auto 0.75rem auto;
}

.mobile-cert-deck .cert-level {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.mobile-cert-deck .card-body {
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
}

.mobile-cert-deck .cert-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0.75rem 0;
    line-height: 1.3;
    color: var(--primary-text);
}

.mobile-cert-deck .cert-skills {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
    color: var(--secondary-text);
}

.mobile-cert-deck .cert-skills li {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-cert-deck .cert-skills li::before {
    content: '✓';
    color: var(--accent-color);
    margin-right: 0.75rem;
    font-weight: bold;
}

.mobile-cert-deck .card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 1rem;
    flex-shrink: 0;
}

.mobile-cert-deck .credential-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.mobile-cert-deck .credential-info p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--secondary-text);
    text-align: center;
}

.mobile-cert-deck .credential-info p span {
    display: block;
    color: var(--primary-text);
    font-weight: 500;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.mobile-cert-deck .view-button {
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    width: 100%;
    max-width: 180px;
}

.mobile-cert-deck .view-button:hover {
    background-color: #2563eb;
}

/* Mobile Navigation Dots */
.mobile-cert-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.mobile-cert-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.mobile-cert-dots .dot.active {
    background-color: var(--accent-color);
    transform: scale(1.2);
}

.mobile-cert-dots .dot:hover {
    background-color: var(--accent-color);
    transform: scale(1.1);
}
#certifications .swiper-slide { background-position: center; background-size: cover; width: 280px; height: 420px; background-color: var(--card-background); border-radius: 16px; border: 1px solid var(--border-color); box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2); display: flex; flex-direction: column; padding: 1rem; box-sizing: border-box; transition: transform 0.4s ease, opacity 0.4s ease, background-color 0.3s ease, border-color 0.3s ease; }
#certifications .swiper-slide:not(.swiper-slide-active) { opacity: 0.4; }
#certifications .card-header { 
    text-align: center;
    padding-bottom: 1rem;
}
#certifications .cert-logo { 
    width: 60px; 
    height: 60px; 
    object-fit: contain; 
    border-radius: 8px;
    display: block;
    margin: 0 auto 0.75rem auto;
}
#certifications .cert-level { background-color: rgba(59, 130, 246, 0.1); color: var(--accent-color); padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; display: inline-block; }
#certifications .card-body { text-align: center; flex-grow: 1; display: flex; flex-direction: column; justify-content: center; }
#certifications .cert-title { font-size: 1.1rem; font-weight: 600; margin: 0.75rem 0; line-height: 1.3; color: var(--primary-text); }
#certifications .cert-skills { list-style: none; padding: 0; margin: 1rem 0; color: var(--secondary-text); }
#certifications .cert-skills li { font-size: 0.85rem; margin-bottom: 0.75rem; display: flex; align-items: center; justify-content: center; }
#certifications .cert-skills li::before { content: '✓'; color: var(--accent-color); margin-right: 0.75rem; font-weight: bold; }
#certifications .card-footer { border-top: 1px solid var(--border-color); padding-top: 1rem; margin-top: 1.5rem; }
#certifications .credential-info { display: flex; justify-content: space-between; align-items: center; }
#certifications .credential-info p { margin: 0; font-size: 0.8rem; color: var(--secondary-text); }
#certifications .credential-info p span { display: block; color: var(--primary-text); font-weight: 500; font-size: 0.9rem; margin-top: 0.25rem; }
#certifications .view-button { background-color: var(--accent-color); color: white; text-decoration: none; padding: 0.6rem 1rem; border-radius: 8px; font-weight: 600; font-size: 0.85rem; }
#certifications .swiper-button-next, #certifications .swiper-button-prev { display: none; } /* Hide on mobile */

/* Achievements & Responsibilities Section */
.achievements-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; width: 100%; }
.achievements-section { width: 100%; background-color: var(--card-background); border: 1px solid var(--border-color); border-radius: 16px; padding: 1.25rem; box-sizing: border-box; }
.achievements-section h4 { font-size: 1.5rem; font-weight: 600; color: var(--h-color); margin-top: 0; margin-bottom: 1.5rem; border-bottom: 2px solid var(--accent-color); padding-bottom: 0.75rem; }
.item-list { list-style: none; padding: 0; }
.list-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; padding: 0; border-radius: 8px; opacity: 0; transform: translateY(20px); }
.list-item.is-visible { opacity: 1; transform: translateY(0); }
.list-item:last-child { margin-bottom: 0; }
.item-icon { font-size: 1.25rem; color: var(--accent-color); margin-top: 0.25rem; }
.item-content h5 { font-size: 1.1rem; font-weight: 600; color: var(--primary-text); margin: 0 0 0.25rem 0; }
.item-meta { font-size: 0.85rem; color: var(--secondary-text); margin-bottom: 0.75rem; font-weight: 500; }
.item-meta span { margin-right: 1rem; }
.item-description { color: var(--secondary-text); line-height: 1.6; margin: 0; font-size: 0.9rem; }

/* Research Section */
.research-card { display: grid; grid-template-columns: 1fr; gap: 1.5rem; padding: 1.25rem; background-color: var(--card-background); border: 1px solid var(--border-color); border-radius: 16px; }
.paper-image-container { grid-row: 1; margin-bottom: 2rem; display: flex; justify-content: center; align-items: center; }
.paper-image { width: 100%; max-width: 300px; height: auto; border-radius: 12px; object-fit: cover; border: 1px solid var(--border-color); }
.paper-title { font-size: 1.25rem; font-weight: 700; color: var(--h-color); margin: 0 0 1rem 0; line-height: 1.3; }
.authors { font-size: 1rem; font-style: italic; color: var(--secondary-text); margin-bottom: 1.5rem; }
.publication-info { font-size: 1rem; font-weight: 500; color: var(--primary-text); margin-bottom: 2rem; padding-left: 1.5rem; border-left: 3px solid var(--accent-color); }
.abstract h5 { font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; color: var(--h-color); }
.abstract p { font-size: 0.9rem; line-height: 1.7; color: var(--secondary-text); }
.paper-actions { margin-top: 2.5rem; display: flex; gap: 1rem; flex-direction: column; }

/* --- BLOG SECTION STYLES --- */
.blog-layout-grid {
    display: grid;
    grid-template-columns: 1fr; /* Mobile first */
    gap: 2.5rem;
}

.featured-blog-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.featured-blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.featured-blog-image {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3; /* Changed from 1200 / 627 to a more suitable 4:3 ratio */
    object-fit: cover; /* This will now work as intended with the new ratio */
}
.featured-blog-content {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-category {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.blog-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-text);
    margin: 0 0 1rem 0;
    line-height: 1.3;
}
.blog-excerpt {
    color: var(--secondary-text);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}
.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--secondary-text);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}
.read-more-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}
.read-more-link:hover {
    text-decoration: underline;
}

.blog-thumbnail-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.blog-thumbnail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    cursor: pointer;
    padding: 1rem;
    border-radius: 12px;
    transition: background-color 0.3s ease;
    border: 2px solid transparent;
}
.blog-thumbnail-item:hover {
    background-color: rgba(128, 128, 128, 0.1);
}
.blog-thumbnail-item.active {
    border-color: var(--accent-color);
    background-color: rgba(59, 130, 246, 0.1);
}

.thumbnail-image {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.thumbnail-content {
    display: flex;
    flex-direction: column;
}
.thumbnail-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}
.thumbnail-title a {
    color: var(--primary-text);
    text-decoration: none;
    transition: color 0.3s ease;
}
.thumbnail-title a:hover {
    color: var(--accent-color);
}
.thumbnail-meta {
    font-size: 0.8rem;
    color: var(--secondary-text);
    margin: 0;
}

/* Contact Section */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; padding: 1.25rem; background-color: var(--card-background); border: 1px solid var(--border-color); border-radius: 16px; max-width: 1000px; margin: 0 auto; }
.contact-info h4, .contact-form h4 { font-size: 1.25rem; }
.info-item { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.info-item i { font-size: 1.25rem; color: var(--accent-color); width: 25px; text-align: center; }
.info-item span { font-size: 0.9rem; color: var(--primary-text); }
.form-group { margin-bottom: 1rem; }
.form-group input, .form-group textarea { width: 100%; padding: 0.875rem 1rem; border-radius: 8px; border: 1px solid var(--border-color); background-color: var(--background-color); color: var(--primary-text); font-size: 1rem; font-family: 'Inter', sans-serif; box-sizing: border-box; transition: border-color 0.3s ease, box-shadow 0.3s ease; min-height: 44px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-color); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3); }
.form-group textarea { resize: vertical; min-height: 120px; }
.submit-btn { width: 100%; padding: 1rem; border-radius: 8px; border: none; background-color: var(--accent-color); color: white; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background-color 0.3s ease; min-height: 44px; }
.submit-btn:hover { background-color: #2563eb; }

/* Keyframe Animations */
@keyframes floatIn { from { opacity: 0; transform: translate(-50%, -20px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes blink { 50% { opacity: 0; } }

/* Very small mobile screens */
@media screen and (max-width: 480px) {
    .cert-deck-container {
        max-width: 280px;
        height: 460px;
    }
    
    .cert-card {
        padding: 0.875rem;
    }
    
    .mobile-cert-deck .cert-logo {
        width: 50px;
        height: 50px;
        margin: 0 auto 0.5rem auto;
    }
    
    .mobile-cert-deck .cert-title {
        font-size: 0.9rem;
        margin: 0.5rem 0;
    }
    
    .mobile-cert-deck .cert-skills li {
        font-size: 0.75rem;
        margin-bottom: 0.4rem;
    }
    
    .mobile-cert-deck .view-button {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        min-height: 36px;
        max-width: 160px;
    }
}

/* Mobile-specific improvements */
@media screen and (max-width: 599px) {
    /* Improve touch targets */
    .btn, .nav-toggle-btn, .mobile-nav-close, .submit-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Better spacing for mobile */
    .hero {
        padding: 4rem var(--mobile-padding) 2rem var(--mobile-padding);
    }
    
    .hero-text h1 {
        font-size: 2.25rem;
    }
    
    .hero-text .subtitle {
        font-size: 1.1rem;
    }
    
    /* Improve form inputs */
    .form-group input, .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Better project cards on mobile */
    .project-card {
        margin-bottom: 1rem;
    }
    
    /* Show mobile deck, hide desktop swiper */
    .mobile-cert-deck {
        display: block;
    }
    
    .desktop-swiper {
        display: none;
    }
    
    /* Ensure cards fit on very small screens */
    .cert-deck-container {
        max-width: 300px;
        height: 480px;
    }
    
    .cert-card {
        padding: 1rem;
    }
    
    /* Better blog layout on mobile */
    .blog-layout-grid {
        gap: 2rem;
    }
    
    .featured-blog-content {
        padding: 1rem;
    }
    
    .blog-title {
        font-size: 1.25rem;
    }
}

/* Tablet Overrides */
@media screen and (min-width: 600px) {
    .container {
        padding: 0 var(--tablet-padding);
    }
    
    /* Show desktop swiper, hide mobile deck */
    .mobile-cert-deck {
        display: none;
    }
    
    .desktop-swiper {
        display: block;
    }
    
    .content-section {
        padding: 5rem var(--tablet-padding);
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .hero-text .subtitle {
        font-size: 1.5rem;
    }
    
    .about-me-grid {
        grid-template-columns: 1fr 1.5fr;
        gap: 2.5rem;
    }
    
    .profile-sidebar {
        position: sticky;
        top: 6rem;
    }
    
    .info-row {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .info-item-inline {
        min-width: 200px;
    }

    .skills-grid-final {
        grid-template-columns: 1fr 1.5fr;
        gap: 2.5rem;
    }
    
    .resume-container {
        padding: 2rem;
    }
    
    .header-container {
        flex-direction: row;
        align-items: center;
    }
    
    .header-left h1 {
        font-size: 2rem;
    }
    
    .contact-info {
        text-align: right;
        font-size: 0.9rem;
    }
    
    .item-info {
        flex-direction: row;
        align-items: center;
        font-size: 0.9rem;
    }
    
    .skill-categories {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .achievements-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .achievements-section {
        padding: 2rem;
    }
    
    .research-card {
        grid-template-columns: 1.5fr 1fr;
        padding: 2rem;
    }
    
    .paper-image-container {
        grid-row: auto;
        margin-bottom: 0;
    }
    
    .paper-actions {
        flex-direction: row;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1.5fr;
        padding: 2rem;
    }
    
    .contact-info h4, .contact-form h4 {
        font-size: 1.5rem;
    }
}

/* Desktop Overrides */
@media screen and (min-width: 768px) {
    .container {
        padding: 0 var(--desktop-padding);
    }
    
    .content-section { 
        padding: 6rem var(--desktop-padding); 
    }
    
    .section-title { 
        font-size: 3rem; 
    }
    
    .hero-text h1 { 
        font-size: 4rem; 
    }
    
    .hero-text .subtitle { 
        font-size: 1.75rem; 
        height: 2.5rem; 
    }
    
    .nav-toggle-btn { 
        display: none; 
    }
    
    .nav-links { 
        display: flex; 
        gap: 0.25rem;
    }
    
    .navbar {
        max-width: 800px;
    }

    .about-me-grid { 
        grid-template-columns: 1fr 2fr; 
    }

    .skills-grid-final {
        grid-template-columns: 1fr 1.5fr;
        gap: 3rem;
    }
    
    .resume-container { 
        padding: 3rem; 
    }
    
    .header-left h1 {
        font-size: 2.5rem;
    }
    
    .projects-grid { 
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); 
    }
    
    .education-timeline::after { 
        left: 50%; 
    }
    
    .edu-container { 
        width: 50%; 
        padding-left: 40px; 
        padding-right: 40px; 
    }
    
    .edu-container.left { 
        left: 0; 
        transform: translateX(-100px); 
    }
    
    .edu-container.right { 
        left: 50%; 
        transform: translateX(100px); 
    }
    
    .edu-container.is-visible { 
        transform: translateX(0); 
    }
    
    .edu-container::after { 
        right: -21.5px; 
        left: auto; 
    }
    
    .right::after { 
        left: -18.5px; 
        right: auto; 
    }
    
    /* Experience Timeline Desktop Styles - Same as Education */
    .experience-timeline::after { 
        left: 50%; 
    }
    
    .exp-container { 
        width: 50%; 
        padding-left: 40px; 
        padding-right: 40px; 
    }
    
    .exp-container.left { 
        left: 0; 
        transform: translateX(-100px); 
    }
    
    .exp-container.right { 
        left: 50%; 
        transform: translateX(100px); 
    }
    
    .exp-container.is-visible { 
        transform: translateX(0); 
    }
    
    .exp-container::after { 
        right: -21.5px; 
        left: auto; 
    }
    
    .exp-container.right::after { 
        left: -18.5px; 
        right: auto; 
    }
    
    .timeline-date-badge {
        font-size: 0.8rem;
        padding: 0.6rem 1.25rem;
    }
    
    #certifications .swiper-button-next, #certifications .swiper-button-prev { 
        display: flex; 
    }
    
    .achievements-section { 
        padding: 2.5rem; 
    }
    
    .research-card { 
        grid-template-columns: 2fr 1fr; 
        padding: 3rem; 
    }
    
    .contact-grid { 
        padding: 3rem; 
    }
}

@media screen and (min-width: 992px) { /* Larger breakpoint for blog layout */
    .blog-layout-grid {
        grid-template-columns: 2fr 1fr;
    }
}