/*!
 * Portfolio Enhanced CSS - Software Engineering Theme
 * Author: Sanjit Shrestha
 * Version: 2.0
 */

:root {
    /* Enhanced Color Palette */
    --primary-color: #0066cc;
    --primary-dark: #004499;
    --secondary-color: #64748b;
    --accent-color: #00c851;
    --code-color: #ff6b35;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --dark-bg: #0f172a;
    --border-color: rgba(226, 232, 240, 0.8);

    /* Enhanced Gradients */
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    --gradient-code: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --gradient-success: linear-gradient(135deg, #00c851 0%, #007e33 100%);
    --gradient-purple: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0, 102, 204, 0.9) 0%, rgba(0, 68, 153, 0.9) 100%);

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-code: 'JetBrains Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-base: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-base: 0 4px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 4px 16px rgba(0, 102, 204, 0.2);
    --shadow-code: 0 4px 16px rgba(255, 107, 53, 0.2);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-base: 6px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* Enhanced Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Remove the problematic fixed padding */
    padding-top: 0 !important;
}

/* Typography Enhancements */
.code-font {
    font-family: var(--font-code);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Navigation */
.navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.12);
    border-bottom: 1px solid rgba(0, 102, 204, 0.15);
}

/* Enhanced Navbar Brand */
.navbar-brand {
    font-family: var(--font-code) !important;
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--primary-color) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    z-index: 1051;
}

.navbar-brand:hover,
.navbar-brand:focus {
    color: var(--code-color) !important;
    transform: scale(1.05);
    text-decoration: none;
}

/* Navigation Links Enhanced */
.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    margin: 0 var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-base) !important;
    border-radius: var(--radius-base);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-decoration: none;
    font-size: 0.95rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background: rgba(0, 102, 204, 0.08);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Navigation Link Underline Animation */
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    background: linear-gradient(90deg, var(--primary-color), var(--code-color));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 1px;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* Mobile Navigation Toggler */
.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
    background: transparent;
    border-radius: var(--radius-base);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1052;
}

.navbar-toggler:focus,
.navbar-toggler:active {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
    outline: none;
    background: rgba(0, 102, 204, 0.05);
}

.navbar-toggler:not(.collapsed) {
    background: rgba(0, 102, 204, 0.1);
}

/* Custom hamburger icon */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230066cc' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    transition: transform 0.3s ease;
    width: 1.2em;
    height: 1.2em;
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon {
    transform: rotate(90deg);
}

/* Mobile Navigation Menu Enhanced */
.navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin-top: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    z-index: 1049;
    animation: mobileMenuSlide 0.3s ease-out;
}

@keyframes mobileMenuSlide {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============================================
   NAVBAR COLLAPSE FIX - MOBILE RESPONSIVE
   ============================================ */

/* Reset and fix navbar collapse behavior */
.navbar-collapse {
    /* Reset conflicting styles */
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    margin-top: 0;
    border-radius: 0;
    box-shadow: none;
    border: none;
    position: static;
    z-index: auto;
    animation: none;
}

/* Mobile-specific navbar collapse styling */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        margin-top: 1rem;
        border-radius: var(--radius-lg);
        box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
        border: 1px solid rgba(0, 102, 204, 0.1);
        position: absolute;
        left: 15px;
        right: 15px;
        top: 100%;
        z-index: 1049;
        padding: 1rem;
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .navbar-collapse.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-collapse.collapsing {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform: translateY(-5px);
        opacity: 0.5;
    }

    .navbar-nav {
        text-align: center;
        padding: 0.5rem 0;
    }

    .navbar-nav .nav-item {
        margin: 0;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        margin: 0.25rem 0;
        font-size: 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        border-radius: var(--radius-base);
        display: block;
        width: 100%;
        color: var(--text-color) !important;
        transition: all 0.3s ease;
    }

    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }

    .navbar-nav .nav-link::after {
        display: none; /* Hide desktop underline animation */
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link.active {
        background: rgba(0, 102, 204, 0.1) !important;
        color: var(--primary-color) !important;
        transform: translateX(5px);
    }
}

/* Desktop navbar - ensure no mobile styles interfere */
@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        margin-top: 0 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        border: none !important;
        position: static !important;
        left: auto !important;
        right: auto !important;
        top: auto !important;
        z-index: auto !important;
        padding: 0 !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        transition: none !important;
    }

    .navbar-collapse.show,
    .navbar-collapse.collapsing {
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .navbar-nav {
        text-align: left !important;
        padding: 0 !important;
        align-items: center;
        flex-direction: row;
    }

    .navbar-nav .nav-link {
        padding: var(--spacing-sm) var(--spacing-base) !important;
        margin: 0 var(--spacing-xs) !important;
        font-size: 0.95rem !important;
        border-bottom: none !important;
        border-radius: var(--radius-base) !important;
        display: inline-block !important;
        width: auto !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }

    .navbar-nav .nav-link::after {
        display: block; /* Show desktop underline animation */
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link.active {
        background: rgba(0, 102, 204, 0.08) !important;
        transform: translateY(-1px) !important;
    }
}

/* Navbar toggler enhancements */
.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
    background: transparent;
    border-radius: var(--radius-base);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1052;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
    outline: none;
    background: rgba(0, 102, 204, 0.05);
}

.navbar-toggler:not(.collapsed) {
    background: rgba(0, 102, 204, 0.1);
}

/* Custom hamburger icon */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230066cc' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    transition: transform 0.3s ease;
    width: 1.2em;
    height: 1.2em;
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon {
    transform: rotate(90deg);
}

/* Mobile Navigation Menu Enhanced */
.navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin-top: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    z-index: 1049;
    animation: mobileMenuSlide 0.3s ease-out;
}

@keyframes mobileMenuSlide {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============================================
   CONTAINER AND LAYOUT FIXES
   ============================================ */

/* Fix body padding that was affecting container positioning */
body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Remove the problematic fixed padding */
    padding-top: 0 !important;
}

/* Container fixes for proper spacing and alignment */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 15px;
    padding-right: 15px;
    position: relative;
    z-index: 1;
}

.container-fluid {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto;
    margin-right: auto;
}

/* Section spacing fixes */
section {
    position: relative;
    padding: 4rem 0;
    z-index: 1;
}

/* Hero section specific fixes */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0; /* Remove default section padding */
    margin-top: 0;
    position: relative;
    /* Account for navbar without affecting other sections */
    padding-top: 80px;
}

.hero-section .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    z-index: 2;
    position: relative;
}

/* Fix section positioning after hero */
#about {
    margin-top: 0;
    padding-top: 4rem;
}

/* Ensure proper section flow */
#experience,
#skills,
#projects,
#contact {
    margin-top: 0;
    padding-top: 4rem;
    padding-bottom: 4rem;
}

/* Mobile container adjustments */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    section {
        padding: 3rem 0;
    }

    .hero-section {
        padding-top: 70px; /* Adjust for mobile navbar height */
        min-height: calc(100vh - 70px);
    }

    #about,
    #experience,
    #skills,
    #projects,
    #contact {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
}

@media (max-width: 575.98px) {
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    section {
        padding: 2rem 0;
    }

    .hero-section {
        padding-top: 60px;
    }

    #about,
    #experience,
    #skills,
    #projects,
    #contact {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }
}

/* Fix navbar positioning without affecting body layout */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    /* Ensure navbar doesn't push content */
    margin-bottom: 0;
}

/* Remove the previous problematic body padding rules */
@media (max-width: 991.98px) {
    body {
        padding-top: 0 !important;
    }
}

/* Prevent mobile menu from affecting layout */
@media (max-width: 991.98px) {
    body.navbar-open .navbar-collapse.show {
        position: absolute;
        left: 15px;
        right: 15px;
        top: 100%;
        z-index: 1060;
    }
}

/* Enhanced Buttons */
.btn {
    font-weight: 600;
    padding: var(--spacing-base) var(--spacing-xl);
    border-radius: var(--radius-base);
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-code {
    background: var(--gradient-code);
    color: var(--white);
    box-shadow: var(--shadow-code);
}

.btn-code:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

/* Enhanced Cards */
.professional-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    overflow: hidden;
    position: relative;
    padding: var(--spacing-xl);
}

.professional-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.professional-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.professional-card:hover::before {
    opacity: 1;
}

/* Tech Badges */
.tech-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-base);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-block;
    margin: var(--spacing-xs);
    transition: var(--transition-base);
    box-shadow: var(--shadow-primary);
    font-family: var(--font-code);
}

.tech-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.3);
}

.tech-badge.backend {
    background: var(--gradient-code);
    box-shadow: var(--shadow-code);
}

.tech-badge.cloud {
    background: var(--gradient-success);
    box-shadow: 0 4px 16px rgba(0, 200, 81, 0.2);
}

.tech-badge.database {
    background: var(--gradient-purple);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
}

/* Code Block Styling */
.code-block {
    background: var(--dark-bg);
    color: #e2e8f0;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-family: var(--font-code);
    font-size: var(--font-size-sm);
    margin: var(--spacing-xl) 0;
    border-left: 4px solid var(--code-color);
    box-shadow: var(--shadow-base);
    position: relative;
    overflow: hidden;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--code-color) 50%, transparent 100%);
}

.code-comment { color: #94a3b8; }
.code-keyword { color: #ff6b35; }
.code-string { color: #00c851; }
.code-function { color: #0066cc; }

/* Social Links */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-base);
    text-decoration: none;
    margin: 0 var(--spacing-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-primary);
}

.social-links a:hover {
    background: var(--gradient-code);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

/* ============================================
   CONTACT SECTION & TERMINAL STYLING FIXES
   ============================================ */

/* Terminal Card Styling - Missing Classes */
.terminal-card {
    background: var(--dark-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: var(--font-code);
}

.terminal-header {
    background: #334155;
    color: #e2e8f0;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-bottom: 1px solid #475569;
    font-family: var(--font-code);
}

.terminal-body {
    background: var(--dark-bg);
    color: #e2e8f0;
    padding: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
    font-family: var(--font-code);
}

.terminal-prompt {
    color: var(--accent-color);
    font-weight: 600;
}

.terminal-command {
    color: #60a5fa;
    font-weight: 500;
}

/* Contact Section Enhanced Styling */
#contact {
    position: relative;
    z-index: 2;
}

#contact .section-title {
    font-family: var(--font-code);
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

#contact .section-subtitle {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

/* Contact Engineering Icons Fix */
#contact .engineering-icon {
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-base);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-primary);
    transition: var(--transition-base);
    position: relative;
    z-index: 1;
}

/* Contact Info Text Spacing */
#contact .col-md-3 h6 {
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

#contact .col-md-3 p {
    margin-bottom: 0;
    padding: 0 0.5rem;
    line-height: 1.4;
    font-size: 0.875rem;
}

/* Terminal Card Spacing Fix */
#contact .terminal-card {
    margin-top: 2rem;
    margin-bottom: 2rem;
    clear: both;
}

/* Social Links Container Fix */
#contact .social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

/* Button Container Fix */
#contact .text-center:last-child {
    margin-top: 1rem;
    clear: both;
}

/* Prevent Text Overlap */
#contact .code-font a {
    word-break: break-word;
    line-height: 1.3;
}

/* ============================================
   MOBILE RESPONSIVE FIXES FOR CONTACT OVERLAP
   ============================================ */

/* Small Mobile Devices */
@media (max-width: 575.98px) {
    #contact .col-md-3 {
        width: 100%;
        max-width: 100%;
        flex: 0 0 100%;
        margin-bottom: 2rem !important;
        padding: 1rem;
    }

    #contact .row.text-center {
        margin-bottom: 3rem !important;
    }

    #contact .engineering-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }

    #contact h6 {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    #contact p.small {
        font-size: 0.8rem;
        line-height: 1.3;
    }

    /* Stack elements vertically with proper spacing */
    #contact .terminal-card {
        margin: 2rem 0;
    }

    #contact .social-links {
        margin: 2rem 0;
        gap: 0.75rem;
    }

    #contact .btn {
        width: 100%;
        margin-bottom: 1rem;
    }

    #contact .btn.mr-3 {
        margin-right: 0 !important;
    }
}

/* Medium Mobile Devices */
@media (min-width: 576px) and (max-width: 767.98px) {
    #contact .col-md-3 {
        width: 50%;
        max-width: 50%;
        flex: 0 0 50%;
        margin-bottom: 2rem !important;
    }

    #contact .row.text-center {
        margin-bottom: 2.5rem !important;
    }
}

/* Tablet Devices */
@media (min-width: 768px) and (max-width: 991.98px) {
    #contact .col-md-3 {
        margin-bottom: 2rem !important;
    }

    #contact .engineering-icon {
        width: 55px;
        height: 55px;
    }

    #contact h6 {
        font-size: 0.95rem;
    }
}

/* Large Screens - Ensure proper spacing */
@media (min-width: 992px) {
    #contact .col-md-3 {
        margin-bottom: 1.5rem !important;
    }

    #contact .row.text-center {
        margin-bottom: 2rem !important;
    }
}

/* Footer Enhancement */
footer {
    background: var(--dark-bg) !important;
    color: var(--white);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 10;
}

footer .code-font {
    font-family: var(--font-code);
    font-size: 0.9rem;
}

footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition-base);
    font-weight: 500;
}

footer a:hover {
    color: var(--white);
    text-decoration: none;
    transform: translateY(-1px);
}

footer a:hover i {
    color: var(--primary-color);
}

/* Mobile Responsive Fixes for Contact Section */
@media (max-width: 768px) {
    #contact .row .col-md-3 {
        margin-bottom: 2rem;
    }

    #contact .terminal-card {
        margin-bottom: 2rem;
    }

    #contact .btn {
        width: 100%;
        margin-bottom: 1rem;
    }

    #contact .btn.mr-3 {
        margin-right: 0 !important;
    }

    #contact .social-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }

    #contact .social-links a {
        width: 45px;
        height: 45px;
    }

    /* Footer Mobile Fix */
    footer .row {
        text-align: center;
    }

    footer .col-md-6.text-right {
        text-align: center !important;
        margin-top: 1rem;
    }

    footer .text-right {
        text-align: center !important;
    }
}

/* Contact Section Background Enhancement */
#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(0, 102, 204, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(0, 102, 204, 0.03) 0%, transparent 50%);
    z-index: -1;
}

/* Fix for missing text styles */
.code-comment {
    color: #94a3b8;
    font-style: italic;
}

.code-keyword {
    color: var(--code-color);
    font-weight: 600;
}

.code-function {
    color: var(--primary-color);
    font-weight: 600;
}

.code-string {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .btn {
        padding: var(--spacing-sm) var(--spacing-base);
        font-size: var(--font-size-sm);
    }

    .professional-card {
        padding: var(--spacing-base);
    }

    .tech-badge {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ============================================
   MOBILE RESPONSIVENESS - COMPREHENSIVE
   ============================================ */

/* Mobile First Approach - Base styles for mobile */
.hero-section {
    padding: 60px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-title {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

/* Navigation Mobile Optimization */
.navbar {
    padding: 0.75rem 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.1rem;
}

.navbar-nav .nav-link {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Mobile Navigation Menu */
.navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-top: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Cards and Content Mobile Optimization */
.professional-card {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
}

.tech-badge {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    margin: 0.25rem;
}

/* Typography Mobile Scaling */
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }

/* Buttons Mobile Optimization */
.btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    border-radius: var(--radius-base);
}

/* Form Elements */
.form-control {
    padding: 0.75rem;
    font-size: 1rem;
}

/* Social Links Mobile */
.social-links a {
    width: 45px;
    height: 45px;
    margin: 0.25rem;
}

/* Particles Mobile Optimization */
.tech-particle {
    display: none; /* Hide on mobile for performance */
}

/* ============================================
   SMALL MOBILE DEVICES (320px - 575px)
   ============================================ */
@media (max-width: 575.98px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-title {
        font-size: 1.75rem;
        text-align: center;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        text-align: center;
    }

    .navbar-brand {
        font-size: 1rem;
    }

    .professional-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .tech-badge {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    /* Hide complex animations on very small screens */
    .typing-animation,
    .code-cursor {
        display: none;
    }

    /* Simplify hero section */
    .hero-section {
        padding: 40px 0;
        text-align: center;
    }

    /* Stack social links vertically on very small screens */
    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-links a {
        margin-bottom: 0.5rem;
    }
}

/* ============================================
   MOBILE DEVICES (576px - 767px)
   ============================================ */
@media (min-width: 576px) and (max-width: 767.98px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .professional-card {
        padding: 2rem;
    }

    .tech-badge {
        font-size: 0.85rem;
    }

    /* Enable some particles on larger mobile screens */
    .tech-particle {
        display: block;
        opacity: 0.3;
    }

    .btn {
        width: auto;
        min-width: 150px;
    }
}

/* ============================================
   TABLET DEVICES (768px - 991px)
   ============================================ */
@media (min-width: 768px) and (max-width: 991.98px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .professional-card {
        padding: 2.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.5rem 1rem;
    }

    /* Enable more particles on tablets */
    .tech-particle {
        display: block;
        opacity: 0.5;
    }

    /* Grid adjustments for tablets */
    .col-md-6 {
        margin-bottom: 2rem;
    }
}

/* ============================================
   DESKTOP DEVICES (992px - 1199px)
   ============================================ */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .hero-title {
        font-size: 3rem;
    }

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

    .professional-card {
        padding: 3rem;
    }

    /* Full particle system on desktop */
    .tech-particle {
        display: block;
        opacity: 0.7;
    }
}

/* ============================================
   LARGE DESKTOP DEVICES (1200px+)
   ============================================ */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .professional-card {
        padding: 3.5rem;
    }

    /* Full effects on large screens */
    .tech-particle {
        display: block;
        opacity: 1;
    }
}

/* ============================================
   TOUCH DEVICE OPTIMIZATIONS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Touch-friendly button sizes */
    .btn {
        min-height: 48px;
        padding: 0.75rem 1.5rem;
    }

    /* Touch-friendly navigation */
    .navbar-nav .nav-link {
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    /* Remove hover effects on touch devices */
    .professional-card:hover,
    .tech-badge:hover,
    .btn:hover {
        transform: none;
    }

    /* Larger touch targets for social links */
    .social-links a {
        width: 48px;
        height: 48px;
    }
}

/* ============================================
   LANDSCAPE ORIENTATION ON MOBILE
   ============================================ */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 30px 0;
    }

    .navbar {
        padding: 0.5rem 0;
    }

    .hero-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
}

/* ============================================
   ACCESSIBILITY - REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .tech-particle,
    .typing-animation,
    .code-cursor {
        display: none !important;
    }

    .hero-title::after {
        animation: none;
    }
}

/* ============================================
   HIGH DPI DISPLAYS
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper text on high DPI displays */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    /* Adjust shadow blur for high DPI */
    .professional-card,
    .tech-badge {
        box-shadow: var(--shadow-sm);
    }
}

/* ============================================
   MOBILE-SPECIFIC ANIMATIONS
   ============================================ */

/* Mobile Float Animation for Lightweight Particles */
@keyframes mobileFloat {
    0% {
        transform: translateY(100vh) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100px) translateX(20px);
        opacity: 0;
    }
}

/* Mobile-Optimized Button Press Animation */
@keyframes mobilePress {
    0% { transform: scale(1); }
    50% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

/* Mobile Navigation Slide Animation */
@keyframes mobileSlideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Mobile Hero Text Animation */
@keyframes mobileTextReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Card Entrance */
@keyframes mobileCardSlide {
    from {
        transform: translateX(-30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   MOBILE PROGRESSIVE ENHANCEMENT
   ============================================ */

/* Base Mobile Styles - Applied First */
@media screen and (max-width: 768px) {
    /* Improve text readability on mobile */
    body {
        font-size: 16px;
        line-height: 1.5;
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    }

    /* Prevent horizontal scroll */
    html, body {
        overflow-x: hidden;
        width: 100%;
    }

    /* Mobile-first container */
    .container-fluid {
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Mobile section spacing */
    section {
        padding: 3rem 0;
    }

    /* Mobile typography hierarchy */
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    .display-4 { font-size: 1.5rem; }

    /* Mobile hero optimization */
    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }

    .hero-content {
        animation: mobileTextReveal 0.8s ease-out;
    }

    /* Mobile navigation improvements */
    .navbar-collapse {
        animation: mobileSlideIn 0.3s ease-out;
    }

    .navbar-nav {
        text-align: center;
        padding: 1rem 0;
    }

    .navbar-nav .nav-link {
        padding: 1rem;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }

    /* Mobile cards optimization */
    .professional-card {
        animation: mobileCardSlide 0.6s ease-out;
        margin-bottom: 2rem;
    }

    /* Mobile button improvements */
    .btn {
        touch-action: manipulation;
        animation: mobilePress 0.1s ease when pressed;
        min-height: 48px;
        font-size: 1rem;
        padding: 0.75rem 2rem;
    }

    /* Mobile form optimization */
    .form-control {
        min-height: 48px;
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem 1rem;
    }

    /* Mobile social links */
    .social-links {
        justify-content: center;
        margin: 2rem 0;
    }

    .social-links a {
        margin: 0.5rem;
    }

    /* Mobile tech badges */
    .tech-badge {
        margin: 0.25rem;
        touch-action: manipulation;
    }
}

/* ============================================
   MOBILE ACCESSIBILITY ENHANCEMENTS
   ============================================ */

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn, .tech-badge, .professional-card {
        border: 2px solid currentColor;
    }

    .hero-title {
        color: currentColor;
        -webkit-text-fill-color: currentColor;
    }
}

/* Dark mode mobile optimization */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
    :root {
        --text-color: #e2e8f0;
        --light-bg: #1a1a1a;
        --white: #2d3748;
        --border-color: rgba(255, 255, 255, 0.1);
    }

    body {
        background: #0f172a;
        color: #e2e8f0;
    }

    .navbar {
        background: rgba(15, 23, 42, 0.95) !important;
    }

    .professional-card {
        background: #1e293b;
        border-color: rgba(255, 255, 255, 0.1);
    }
}

/* ============================================
   MOBILE PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Optimize animations for mobile performance */
@media (max-width: 768px) {
    * {
        /* Use GPU acceleration sparingly on mobile */
        will-change: auto;
    }

    .professional-card,
    .tech-badge {
        /* Only animate transforms and opacity on mobile */
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    /* Simplify gradients for better performance */
    .hero-title {
        background: var(--primary-color);
        -webkit-background-clip: initial;
        -webkit-text-fill-color: initial;
        background-clip: initial;
        color: var(--primary-color);
    }

    /* Reduce shadow complexity */
    .btn, .professional-card, .tech-badge {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .btn:hover, .professional-card:hover, .tech-badge:hover {
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    }
}

/* ============================================
   MOBILE CONTENT PRIORITIZATION
   ============================================ */

/* Hide less important elements on very small screens */
@media (max-width: 480px) {
    .tech-particle,
    .matrix-rain,
    .binary-background,
    .circuit-background {
        display: none !important;
    }

    /* Simplify complex layouts */
    .architecture-diagram,
    .network-visualization {
        display: none;
    }

    /* Show mobile-friendly alternatives */
    .mobile-tech-stack {
        display: block;
    }

    /* Optimize spacing for small screens */
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    section {
        padding: 2rem 0;
    }

    .professional-card {
        padding: 1.25rem;
    }
}

/* ============================================
   MOBILE LOADING STATES
   ============================================ */

/* Mobile-optimized loading animation */
@keyframes mobileLoading {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.mobile-loading {
    position: relative;
    overflow: hidden;
}

.mobile-loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: mobileLoading 1.5s ease-in-out infinite;
}

/* ============================================
   MOBILE INTERACTION STATES
   ============================================ */

/* Enhanced touch feedback */
.btn:active,
.tech-badge:active,
.professional-card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* Mobile focus states */
.btn:focus,
.nav-link:focus,
.form-control:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

/* Mobile hover fallback for touch devices */
@media (hover: none) {
    .btn:hover,
    .tech-badge:hover,
    .professional-card:hover {
        transform: none;
        box-shadow: initial;
    }

    /* Use active states instead of hover */
    .btn:active,
    .tech-badge:active,
    .professional-card:active {
        background: var(--primary-dark);
        transform: scale(0.98);
    }
}

/* ============================================
   MOBILE TYPOGRAPHY FINE-TUNING
   ============================================ */

/* Optimize font sizes for mobile readability */
@media (max-width: 576px) {
    body {
        font-size: 14px;
        line-height: 1.6;
    }

    h1 { font-size: 1.75rem; line-height: 1.2; }
    h2 { font-size: 1.5rem; line-height: 1.3; }
    h3 { font-size: 1.25rem; line-height: 1.4; }
    h4 { font-size: 1.1rem; line-height: 1.4; }
    h5 { font-size: 1rem; line-height: 1.5; }
    h6 { font-size: 0.9rem; line-height: 1.5; }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }

    /* Ensure code fonts are readable on mobile */
    .code-font {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}

/* ============================================
   NAVIGATION COMPREHENSIVE FIX
   ============================================ */

/* Enhanced Navigation - Base Styles */
.navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.12);
    border-bottom: 1px solid rgba(0, 102, 204, 0.15);
}

/* Enhanced Navbar Brand */
.navbar-brand {
    font-family: var(--font-code) !important;
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--primary-color) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    z-index: 1051;
}

.navbar-brand:hover,
.navbar-brand:focus {
    color: var(--code-color) !important;
    transform: scale(1.05);
    text-decoration: none;
}

/* Navigation Links Enhanced */
.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    margin: 0 var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-base) !important;
    border-radius: var(--radius-base);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-decoration: none;
    font-size: 0.95rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background: rgba(0, 102, 204, 0.08);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Navigation Link Underline Animation */
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    background: linear-gradient(90deg, var(--primary-color), var(--code-color));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 1px;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* Mobile Navigation Toggler */
.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
    background: transparent;
    border-radius: var(--radius-base);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1052;
}

.navbar-toggler:focus,
.navbar-toggler:active {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
    outline: none;
    background: rgba(0, 102, 204, 0.05);
}

.navbar-toggler:not(.collapsed) {
    background: rgba(0, 102, 204, 0.1);
}

/* Custom hamburger icon */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230066cc' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    transition: transform 0.3s ease;
    width: 1.2em;
    height: 1.2em;
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon {
    transform: rotate(90deg);
}

/* Fix navbar positioning and z-index issues */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}


/* Prevent navbar from interfering with page content */
body {
    padding-top: 76px; /* Account for fixed navbar */
}

@media (max-width: 991.98px) {
    body {
        padding-top: 70px; /* Adjust for mobile navbar height */
    }
}

/* Ensure mobile menu doesn't interfere with page scroll */
body.navbar-open {
    overflow-x: hidden;
}

@media (max-width: 991.98px) {
    body.navbar-open .navbar-collapse.show {
        position: fixed;
        left: 15px;
        right: 15px;
        top: 70px;
        z-index: 1060;
    }
}

/* ============================================
   MOBILE-RESPONSIVE TECH PARTICLES
   ============================================ */

/* Base tech particle styles - now mobile responsive */
.tech-particle {
    position: absolute;
    font-family: var(--font-code);
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    background: rgba(0, 102, 204, 0.1);
    border: 1px solid rgba(0, 102, 204, 0.3);
    color: var(--primary-color);
    opacity: 0.8;
    animation: techParticleFloat 12s infinite linear;
    backdrop-filter: blur(2px);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.2);
    /* Mobile optimization */
    will-change: transform;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Desktop particles - full size and features */
@media (min-width: 992px) {
    .tech-particle {
        font-size: 12px;
        padding: 4px 8px;
        opacity: 0.8;
    }
}

/* Tablet particles - medium size */
@media (min-width: 768px) and (max-width: 991.98px) {
    .tech-particle {
        font-size: 11px;
        padding: 3px 6px;
        opacity: 0.6;
        animation-duration: 10s;
    }
}

/* Mobile particles - smaller and optimized */
@media (max-width: 767.98px) {
    .tech-particle {
        font-size: 10px;
        padding: 2px 5px;
        opacity: 0.5;
        animation-duration: 8s;
        /* Simplified styling for better performance */
        backdrop-filter: none;
        box-shadow: 0 1px 3px rgba(0, 102, 204, 0.15);
    }
}

/* Very small mobile - minimal particles */
@media (max-width: 480px) {
    .tech-particle {
        font-size: 9px;
        padding: 2px 4px;
        opacity: 0.4;
        animation-duration: 6s;
        /* Further simplification */
        border: none;
        box-shadow: none;
    }
}

/* Color variants for different tech categories */
.tech-particle.java {
    background: rgba(248, 152, 32, 0.1);
    border-color: rgba(248, 152, 32, 0.3);
    color: #f89820;
    box-shadow: 0 2px 8px rgba(248, 152, 32, 0.2);
}

.tech-particle.spring {
    background: rgba(109, 179, 63, 0.1);
    border-color: rgba(109, 179, 63, 0.3);
    color: #6db33f;
    box-shadow: 0 2px 8px rgba(109, 179, 63, 0.2);
}

.tech-particle.cloud {
    background: rgba(255, 153, 0, 0.1);
    border-color: rgba(255, 153, 0, 0.3);
    color: #ff9900;
    box-shadow: 0 2px 8px rgba(255, 153, 0, 0.2);
}

.tech-particle.database {
    background: rgba(51, 103, 145, 0.1);
    border-color: rgba(51, 103, 145, 0.3);
    color: #336791;
    box-shadow: 0 2px 8px rgba(51, 103, 145, 0.2);
}

.tech-particle.frontend {
    background: rgba(97, 218, 251, 0.1);
    border-color: rgba(97, 218, 251, 0.3);
    color: #61dafb;
    box-shadow: 0 2px 8px rgba(97, 218, 251, 0.2);
}

.tech-particle.devops {
    background: rgba(36, 150, 237, 0.1);
    border-color: rgba(36, 150, 237, 0.3);
    color: #2496ed;
    box-shadow: 0 2px 8px rgba(36, 150, 237, 0.2);
}

.tech-particle.ai {
    background: rgba(255, 107, 53, 0.1);
    border-color: rgba(255, 107, 53, 0.3);
    color: var(--code-color);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
}

/* Mobile-specific color simplification */
@media (max-width: 767.98px) {
    .tech-particle.java,
    .tech-particle.spring,
    .tech-particle.cloud,
    .tech-particle.database,
    .tech-particle.frontend,
    .tech-particle.devops,
    .tech-particle.ai {
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 480px) {
    .tech-particle.java,
    .tech-particle.spring,
    .tech-particle.cloud,
    .tech-particle.database,
    .tech-particle.frontend,
    .tech-particle.devops,
    .tech-particle.ai {
        box-shadow: none;
        border: none;
        background: rgba(0, 102, 204, 0.1);
    }
}

/* Responsive animation keyframes */
@keyframes techParticleFloat {
    0% {
        transform: translateY(100vh) translateX(-20px) rotate(0deg);
        opacity: 0;
    }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% {
        transform: translateY(-100px) translateX(20px) rotate(360deg);
        opacity: 0;
    }
}

/* Mobile-optimized animation */
@media (max-width: 767.98px) {
    @keyframes techParticleFloat {
        0% {
            transform: translateY(100vh) translateX(-10px) rotate(0deg);
            opacity: 0;
        }
        15% { opacity: 0.5; }
        85% { opacity: 0.5; }
        100% {
            transform: translateY(-80px) translateX(10px) rotate(180deg);
            opacity: 0;
        }
    }
}

/* Very small mobile - simplified animation */
@media (max-width: 480px) {
    @keyframes techParticleFloat {
        0% {
            transform: translateY(100vh);
            opacity: 0;
        }
        20% { opacity: 0.4; }
        80% { opacity: 0.4; }
        100% {
            transform: translateY(-60px);
            opacity: 0;
        }
    }
}

/* Magic particles container responsive */
.magic-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

/* Performance optimization for mobile */
@media (max-width: 767.98px) {
    .magic-particles {
        /* Reduce processing load on mobile */
        will-change: auto;
    }
}

/* Hide particles on very low-end devices or when reduced motion is preferred */
@media (prefers-reduced-motion: reduce) {
    .tech-particle {
        display: none !important;
    }
}

/* Power-saving mode detection */
@media (max-width: 480px) and (max-height: 800px) {
    .tech-particle {
        /* Further reduce particles on small screens */
        animation-duration: 4s;
        opacity: 0.3;
    }
}