/* ================================================
   Modern, Mobile-First Responsive Design
   ================================================ */

:root {
    /* Modern Color Palette */
    --primary-bg: #0f172a;        /* Deep navy (modern dark) */
    --secondary-bg: #1e293b;       /* Slate gray */
    --card-bg: #334155;            /* Card background */
    --accent-primary: #3b82f6;     /* Modern blue */
    --accent-secondary: #8b5cf6;   /* Purple accent */
    --text-primary: #f1f5f9;       /* Light gray text */
    --text-secondary: #cbd5e1;     /* Muted text */
    --text-muted: #94a3b8;         /* Very muted */
    --border-color: #475569;       /* Borders */
    --success: #10b981;            /* Green */
    --warning: #f59e0b;            /* Orange */
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Layout */
    --navbar-height: 70px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

/* ================================================
   Mobile Navigation with Hamburger Menu
   ================================================ */

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
    position: fixed;
    top: 10px;
    right: 20px;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

/* Show hamburger on mobile */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
        background: var(--accent-primary);
        color: white;
        padding: 12px 16px;
        border-radius: var(--radius-md);
    }
    
    .mobile-menu-toggle:hover {
        background: var(--accent-secondary);
    }
    
    .navbar {
        min-width: 100% !important;
        height: auto !important;
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-md);
    }
    
    .navbar .logo {
        position: static !important;
        float: none !important;
        padding: var(--spacing-sm) 0;
        margin-right: 0 !important;
        margin-bottom: var(--spacing-sm);
    }
    
    .navbar .button,
    .navbar .dropdown {
        display: none !important;
        width: 100%;
        float: none !important;
        position: static !important;
        text-align: left;
        height: auto !important;
    }
    
    .navbar.mobile-open .button,
    .navbar.mobile-open .dropdown {
        display: block !important;
    }
    
    .navbar .button a {
        display: block !important;
        padding: var(--spacing-md) var(--spacing-lg) !important;
        width: 100%;
        height: auto !important;
    }
    
    .navbar .dropdown .dropbtn {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg) !important;
        width: 100%;
        height: auto !important;
        background: transparent;
    }
    
    .dropdown-content {
        position: static !important;
        display: none !important;
        box-shadow: none !important;
        background-color: rgba(0, 0, 0, 0.4) !important;
        padding-left: var(--spacing-lg) !important;
        border: none !important;
        min-width: 100% !important;
    }
    
    .navbar.mobile-open .dropdown:hover .dropdown-content {
        display: block !important;
    }
    
    .dropdown-content a {
        padding: var(--spacing-sm) var(--spacing-md) !important;
        font-size: 0.9rem;
    }
}

/* ================================================
   Improved Responsive Layouts
   ================================================ */

/* Container improvements */
.content-container,
.page-container {
    padding: 0 5%;
    max-width: 1400px;
    margin: 0 auto;
    padding-top: calc(var(--navbar-height) + 40px);
}

@media (max-width: 768px) {
    .content-container,
    .page-container {
        padding: var(--spacing-lg);
        padding-top: calc(var(--navbar-height) + 20px) !important;
        margin-top: 0 !important;
        min-height: auto !important;
    }
}

/* ================================================
   Modern Card Design
   ================================================ */

.item,
.card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: var(--card-bg);
}

.item:hover,
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.item figcaption.desc {
    background: rgba(0, 0, 0, 0.85) !important;
    backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
    .item:hover,
    .card:hover {
        transform: translateY(-2px);
    }
}

/* Experience Grid - Modern CSS Grid Layout */
.experience-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
    clear: both;
}

.experience-grid .item {
    width: 100% !important;
    max-width: none !important;
    float: none !important;
    margin: 0 !important;
    display: block !important;
    position: relative !important;
    overflow: hidden !important;
    height: auto !important;
    min-height: auto !important;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-lg);
}

.experience-grid .item a {
    display: block !important;
}

.experience-grid .item img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    aspect-ratio: 16/10;
    object-fit: cover !important;
}

/* Override old styles.css rules for items in grid */
@media screen and (max-width: 750px) {
    .experience-grid .item {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

@media screen and (min-width: 750px) {
    .experience-grid .item {
        width: 100% !important;
        max-width: none !important;
        float: none !important;
        margin: 0 !important;
    }
}

@media screen and (min-width: 1170px) {
    .experience-grid .item {
        width: 100% !important;
        max-width: none !important;
        float: none !important;
        margin: 0 !important;
    }
}

/* Responsive adjustments */
@media (min-width: 1200px) {
    .experience-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .experience-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 767px) {
    .experience-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg);
    }
}

/* ================================================
   Typography Improvements
   ================================================ */

body {
    font-family: var(--font-main) !important;
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading) !important;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.4rem, 4vw, 2rem);
    font-weight: 600;
    margin-left: 0 !important;
}

h3 {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    line-height: 1.7;
}

/* ================================================
   Buttons & CTAs
   ================================================ */

.btn,
.cta-buttons a {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn:hover,
.cta-buttons a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-buttons a {
        width: 100%;
        text-align: center;
    }
}

/* ================================================
   Tables Responsive
   ================================================ */

table {
    width: 100%;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    table {
        font-size: 0.875rem;
    }
    
    th, td {
        padding: var(--spacing-sm) !important;
        min-width: 80px;
    }
}

/* ================================================
   Images Responsive
   ================================================ */

img {
    max-width: 100%;
    height: auto !important;
    display: block;
}

/* Remove fixed width/height attributes on all images */
img[width],
img[height] {
    width: auto !important;
    height: auto !important;
    max-width: 100%;
}

/* Portfolio item images */
.item img {
    width: 100%;
    height: auto !important;
    object-fit: cover;
}

.profile-picture {
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--border-color);
}

@media (max-width: 768px) {
    .img-float-right {
        width: 100% !important;
        float: none !important;
        margin: var(--spacing-md) 0 !important;
    }
    
    .img-width-70,
    .img-width-50,
    .img-width-40,
    .img-width-30,
    .img-width-27,
    .img-width-22,
    .img-width-20 {
        width: 100% !important;
    }
    
    img[width],
    img[height] {
        width: 100% !important;
    }
}

/* ================================================
   Blog Layout Responsive
   ================================================ */

@media (max-width: 800px) {
    .leftcolumn,
    .rightcolumn {
        width: 100% !important;
        padding: 0 !important;
        float: none !important;
    }
    
    .leftcolumn {
        order: 2;
    }
    
    .rightcolumn {
        order: 1;
    }
    
    .row {
        display: flex;
        flex-direction: column;
    }
}

/* ================================================
   Footer Responsive
   ================================================ */

.footer {
    padding: var(--spacing-md) var(--spacing-md);
    min-width: 100% !important;
    position: relative !important;
    margin-top: var(--spacing-xl);
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0 0 var(--spacing-sm) 0 !important;
}

.socialmedia {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    position: static !important;
    right: auto !important;
    bottom: auto !important;
    margin: var(--spacing-sm) 0 0 0;
}

.socialmedia a {
    font-size: 1.2rem;
    transition: transform 0.2s ease, color 0.2s ease;
}

.socialmedia a:hover {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .footer p {
        font-size: 0.85rem;
    }
    
    .socialmedia {
        gap: var(--spacing-xs);
    }
    
    .socialmedia a {
        font-size: 1.1rem;
    }
}

/* ================================================
   Skills Section Responsive
   ================================================ */

@media (max-width: 768px) {
    .container {
        width: 95% !important;
        margin-left: 2.5% !important;
    }
    
    .tooltip {
        border-bottom: none !important;
    }
    
    .tooltip .tooltiptext {
        position: relative !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: auto !important;
        display: block;
        margin-top: var(--spacing-xs);
        font-size: 0.75rem;
    }
    
    #skillicon {
        margin: var(--spacing-xs) !important;
    }
}

/* ================================================
   Smooth Animations
   ================================================ */

@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }
}

/* Loading animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Fade in animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* ================================================
   Accessibility Improvements
   ================================================ */

/* Focus styles */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ================================================
   Print Styles
   ================================================ */

@media print {
    .navbar,
    .footer,
    .socialmedia,
    .mobile-menu-toggle {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}