/* Modern Unified CSS for Kaiser Shaikh's Portfolio */
/* ================================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - Made 2 shades lighter */
    --primary-gradient: linear-gradient(135deg, #a8b9f0 0%, #b8a5c9 100%);
    --secondary-gradient: linear-gradient(135deg, #f5c1fd 0%, #f8a5b4 100%);
    --tertiary-gradient: linear-gradient(135deg, #a5d4fe 0%, #7ff5fe 100%);
    --quaternary-gradient: linear-gradient(135deg, #a1f2c1 0%, #9dfbe5 100%);
    --hero-gradient: linear-gradient(135deg, #a8b9f0 0%, #b8a5c9 100%);
    --skills-gradient: linear-gradient(135deg, #f5c1fd 0%, #f8a5b4 100%);
    --experience-gradient: linear-gradient(135deg, #a1f2c1 0%, #9dfbe5 100%);
    --education-gradient: linear-gradient(135deg, #a5d4fe 0%, #7ff5fe 100%);
    --personal-gradient: linear-gradient(135deg, #faf9f7 0%, #f2f0ec 100%);
    
    /* Text Colors - Changed to black and dark grays */
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-dark: #000000;
    --text-light: #666666;
    
    /* Background Colors - Made lighter */
    --bg-dark: #f5f5f5;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --bg-overlay: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --section-padding: clamp(60px, 8vw, 120px);
    --container-padding: clamp(20px, 4vw, 40px);
    --card-padding: clamp(20px, 3vw, 30px);
    
    /* Typography */
    --font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-h1: clamp(2.5rem, 5vw, 4.8rem);
    --font-size-h2: clamp(2rem, 4vw, 3.5rem);
    --font-size-h3: clamp(1.5rem, 3vw, 2.5rem);
    --font-size-body: clamp(1rem, 2vw, 1.2rem);
    --font-size-small: clamp(0.875rem, 1.5vw, 1rem);
    
    /* Animations */
    --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-medium: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(168, 185, 240, 0.3);
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 15px;
    --border-radius-lg: 20px;
    --border-radius-xl: 25px;
    
    /* Z-index */
    --z-loading: 9999;
    --z-navbar: 1000;
    --z-modal: 1050;
    --z-tooltip: 1100;
    --z-scroll-top: 1200;
}

/* CSS Reset and Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%; /* 1rem = 10px */
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #fafbfc 0%, #e8eef5 100%);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loading);
    transition: opacity var(--transition-medium);
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    text-align: center;
    color: var(--text-primary);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.98) !important;
}

.navbar-brand {
    font-size: var(--font-size-h3);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

.navbar-nav .nav-link {
    font-size: var(--font-size-body);
    color: var(--text-primary) !important;
    padding: 0.5rem 1rem !important;
    margin: 0 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: #a8b9f0 !important;
    transform: translateY(-2px);
    background: var(--bg-card);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after {
    width: 80%;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: var(--hero-gradient);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: var(--section-padding) 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

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

.image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.profile-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-slow);
    transform: scale(1);
    filter: brightness(0.9) contrast(1.1) saturate(1.2);
    position: relative;
    z-index: 1;
}

/* Enhanced Image Hover Effect - Preserving the original "izo" magic */
.profile-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(102, 126, 234, 0.15) 0%, 
        rgba(118, 75, 162, 0.15) 25%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(102, 126, 234, 0.15) 75%,
        rgba(118, 75, 162, 0.15) 100%);
    opacity: 0;
    transition: all var(--transition-medium);
    z-index: 2;
    transform: translateX(-100%) skewX(-15deg);
    border-radius: var(--border-radius-lg);
}

.profile-image::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, #a8b9f0, #b8a5c9, #f5c1fd, #f8a5b4, #a5d4fe, #7ff5fe);
    border-radius: var(--border-radius-xl);
    z-index: -1;
    opacity: 0;
    filter: blur(15px);
    transition: all var(--transition-slow);
    animation: rainbow-glow 6s ease-in-out infinite;
}

.image-container:hover .profile-image {
    transform: scale(1.18) rotate(3deg);
    filter: brightness(1.15) contrast(1.3) saturate(1.5);
    box-shadow: var(--shadow-xl);
}

.image-container:hover .profile-image::before {
    opacity: 1;
    transform: translateX(100%) skewX(-15deg);
    animation: shimmer 1.5s ease-in-out infinite;
}

.image-container:hover .profile-image::after {
    opacity: 0.8;
    transform: scale(1.1);
    animation: rainbow-glow 3s ease-in-out infinite, pulse-glow 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) skewX(-15deg); }
    50% { transform: translateX(0%) skewX(-15deg); }
    100% { transform: translateX(100%) skewX(-15deg); }
}

@keyframes rainbow-glow {
    0%, 100% { 
        background: linear-gradient(45deg, #a8b9f0, #b8a5c9, #f5c1fd, #f8a5b4, #a5d4fe, #7ff5fe);
    }
    33% { 
        background: linear-gradient(45deg, #f5c1fd, #f8a5b4, #a5d4fe, #7ff5fe, #a8b9f0, #b8a5c9);
    }
    66% { 
        background: linear-gradient(45deg, #a5d4fe, #7ff5fe, #a8b9f0, #b8a5c9, #f5c1fd, #f8a5b4);
    }
}

@keyframes pulse-glow {
    0%, 100% { 
        opacity: 0.8; 
        transform: scale(1.1); 
    }
    50% { 
        opacity: 1; 
        transform: scale(1.15); 
    }
}

/* Hero Text */
.hero-text {
    padding: 2rem 0;
}

.hero-greeting {
    margin-bottom: 2rem;
}

.greeting-text {
    display: block;
    font-size: var(--font-size-h3);
    background: linear-gradient(45deg, #e0e0e0 0%, #c0c0c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out, textGlow 3s ease-in-out infinite alternate;
    margin-bottom: 1rem;
}

.name-first {
    display: block;
    font-size: var(--font-size-h1);
    font-weight: 700;
    background: linear-gradient(45deg, #444 0%, #667eea 50%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.2s both, nameGlow 4s ease-in-out infinite;
    margin-bottom: 0.5rem;
}

.name-last {
    display: block;
    font-size: var(--font-size-h1);
    font-weight: 600;
    background: linear-gradient(45deg, #444 0%, #f093fb 50%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.4s both, surnameGlow 4s ease-in-out infinite;
    margin-bottom: 1rem;
}

.hero-emoji {
    display: block;
    font-size: var(--font-size-h2);
    font-weight: 800;
    background: linear-gradient(45deg, #d0d0d0 0%, #4facfe 50%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.6s both, emojiFloat 3s ease-in-out infinite;
    margin-bottom: 2rem;
}

@keyframes textGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3)); 
    }
    50% { 
        filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.6)); 
    }
}

@keyframes nameGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.4)); 
        transform: scale(1);
    }
    50% { 
        filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.8)); 
        transform: scale(1.02);
    }
}

@keyframes surnameGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 10px rgba(240, 147, 251, 0.4)); 
        transform: scale(1);
    }
    50% { 
        filter: drop-shadow(0 0 20px rgba(240, 147, 251, 0.8)); 
        transform: scale(1.02);
    }
}

@keyframes emojiFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        filter: drop-shadow(0 0 10px rgba(79, 172, 254, 0.4));
    }
    50% { 
        transform: translateY(-5px) rotate(2deg); 
        filter: drop-shadow(0 0 20px rgba(79, 172, 254, 0.8));
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-passions {
    margin-bottom: 3rem;
}

.passion-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: var(--font-size-h3);
    font-weight: 600;
    background: linear-gradient(45deg, #222 0%, #43e97b 50%, #38f9d7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInLeft 1s ease-out 0.8s both, contentGlow 3s ease-in-out infinite alternate;
    margin-bottom: 1rem;
}

.passion-item i {
    color: #43e97b !important;
    font-size: 1.5rem;
    animation: sparkleFloat 2s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(67, 233, 123, 0.6));
    flex-shrink: 0;
    display: inline-block;
}

.sparkle-icon {
    color: #FFD700 !important;
    font-size: 2rem;
    animation: sparkleFloat 2s ease-in-out infinite;
    filter: drop-shadow(0 0 12px #FFD700) drop-shadow(0 0 24px #FFD70099);
    flex-shrink: 0;
    display: inline-block;
    text-shadow: 0 0 16px #FFD700, 0 0 32px #FFD70099;
}

@keyframes contentGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 8px rgba(67, 233, 123, 0.4)); 
        transform: translateX(0px);
    }
    50% { 
        filter: drop-shadow(0 0 16px rgba(67, 233, 123, 0.8)); 
        transform: translateX(2px);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes skillIconFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(2deg); }
}

@keyframes sparkleFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1); 
        filter: drop-shadow(0 0 8px rgba(67, 233, 123, 0.6));
    }
    50% { 
        transform: translateY(-3px) rotate(10deg) scale(1.1); 
        filter: drop-shadow(0 0 12px rgba(67, 233, 123, 0.8));
    }
}

/* Hero Button */
.btn-resume {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: var(--font-size-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50px;
    color: var(--text-primary);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out 1s both;
}

.btn-resume::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-medium);
}

.btn-resume:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(45deg, #b8a5c9 0%, #a8b9f0 100%);
    color: var(--text-primary);
    text-decoration: none;
}

.btn-resume:hover::before {
    left: 100%;
}

.btn-resume:active {
    transform: translateY(-1px);
}

/* Container Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section Utilities */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-icon {
    font-size: 6rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    animation: skillIconFloat 4s ease-in-out infinite;
}

.section-title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: glow-text 2s ease-in-out infinite alternate;
}

.section-subtitle {
    font-size: var(--font-size-h3);
    color: var(--text-primary);
    margin-top: 1rem;
}

@keyframes glow-text {
    from {
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }
    to {
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 255, 255, 0.3);
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-scroll-top);
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .profile-image {
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: clamp(40px, 6vw, 80px);
        --container-padding: clamp(15px, 3vw, 25px);
    }
    
    .hero-content {
        gap: 1.5rem;
    }
    
    .profile-image {
        max-width: 300px;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        margin: 0.25rem 0;
    }
    
    .hero-passions {
        margin-bottom: 2rem;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .passion-item {
        font-size: var(--font-size-h2);
        margin-bottom: 0.5rem;
        justify-content: flex-start;
        max-width: fit-content;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .profile-image {
        max-width: 250px;
    }
    
    .btn-resume {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-small);
    }
    
    .section-icon {
        font-size: 4rem;
    }
    
    .hero-passions {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .passion-item {
        justify-content: flex-start;
        font-size: var(--font-size-h3);
        max-width: fit-content;
    }
}

/* Skills Section */
.skills-section {
    padding: var(--section-padding) 0;
    background: var(--skills-gradient);
    position: relative;
    overflow: hidden;
}

.skills-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain2" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain2)"/></svg>');
    opacity: 0.3;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.skill-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--card-padding);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    animation: skillSlideIn 0.6s ease-out;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(102, 126, 234, 0.08) 0%,
        rgba(118, 75, 162, 0.08) 25%,
        rgba(240, 147, 251, 0.08) 50%,
        rgba(245, 87, 108, 0.08) 75%,
        rgba(79, 172, 254, 0.08) 100%);
    opacity: 0;
    transition: all var(--transition-medium);
    transform: translateX(-100%);
}

.skill-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    border-color: rgba(255, 255, 255, 0.3);
}

.skill-card:hover::before {
    opacity: 1;
    transform: translateX(0%);
    animation: skillShimmer 2s ease-in-out infinite;
}

@keyframes skillSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes skillShimmer {
    0% { transform: translateX(0%); }
    50% { transform: translateX(20%); }
    100% { transform: translateX(0%); }
}

/* Staggered animation delays for skill cards */
.skill-card:nth-child(1) { animation-delay: 0.1s; }
.skill-card:nth-child(2) { animation-delay: 0.2s; }
.skill-card:nth-child(3) { animation-delay: 0.3s; }
.skill-card:nth-child(4) { animation-delay: 0.4s; }
.skill-card:nth-child(5) { animation-delay: 0.5s; }
.skill-card:nth-child(6) { animation-delay: 0.6s; }
.skill-card:nth-child(7) { animation-delay: 0.7s; }
.skill-card:nth-child(8) { animation-delay: 0.8s; }
.skill-card:nth-child(9) { animation-delay: 0.9s; }
.skill-card:nth-child(10) { animation-delay: 1.0s; }

.skill-info {
    margin-bottom: 1.5rem;
}

.skill-name {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.skill-certificates {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.certificate-link {
    position: relative;
    display: inline-block;
    transition: all var(--transition-fast);
}

.certificate-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
    filter: brightness(0.9) contrast(1.1);
    object-fit: cover;
}

.certificate-icon:hover {
    transform: scale(1.15) rotate(8deg);
    box-shadow: var(--shadow-md);
    filter: brightness(1.2) contrast(1.3) saturate(1.4);
    z-index: 10;
}

/* Tooltip Effect for Certificates */
.certificate-link::after {
    content: attr(aria-label);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    z-index: 1000;
}

.certificate-link::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 1000;
}

.certificate-link:hover::after {
    opacity: 1;
    bottom: 120%;
}

.certificate-link:hover::before {
    opacity: 1;
    bottom: 110%;
}

/* Progress Bar */
.skill-progress {
    position: relative;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(45deg, #ffb3b3, #fed78a, #a4e8fc, #ffccf7, #a4ccff);
    background-size: 400% 400%;
    border-radius: var(--border-radius-xl);
    position: relative;
    width: 0;
    transition: width 2s ease-out 0.5s;
    animation: gradientShift 3s ease infinite;
    --progress-width: 0%;
}

.progress-bar.animate {
    width: var(--progress-width) !important;
}

.progress-text {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    font-size: var(--font-size-small);
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Experience Section */
.experience-section {
    padding: var(--section-padding) 0;
    background: var(--experience-gradient);
    position: relative;
    overflow: hidden;
}

.experience-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain3" width="75" height="75" patternUnits="userSpaceOnUse"><circle cx="37.5" cy="37.5" r="0.75" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain3)"/></svg>');
    opacity: 0.2;
    animation: float 25s ease-in-out infinite;
}

.experience-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: var(--border-radius-xl);
    padding: var(--card-padding);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    margin: 2rem;
    text-align: center;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(168, 185, 240, 0.1) 0%,
        rgba(184, 165, 201, 0.1) 25%,
        rgba(245, 193, 253, 0.1) 50%,
        rgba(248, 165, 180, 0.1) 75%,
        rgba(165, 212, 254, 0.1) 100%);
    opacity: 0;
    transition: all var(--transition-medium);
    transform: translateX(-100%) skewX(-10deg);
}

.experience-card:hover::before {
    opacity: 1;
    transform: translateX(0%) skewX(0deg);
    animation: carousel-shimmer 2s ease-in-out infinite;
}

.carousel-item.active .experience-card {
    transform: scale(1.03);
    box-shadow: var(--shadow-xl);
}

@keyframes carousel-shimmer {
    0% { transform: translateX(0%) skewX(0deg); }
    50% { transform: translateX(30%) skewX(-5deg); }
    100% { transform: translateX(0%) skewX(0deg); }
}

.company-header {
    margin-bottom: 2rem;
}

.company-name {
    font-size: var(--font-size-h3);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.company-name:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.15);
}

.company-description {
    font-size: var(--font-size-body);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.employment-period {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-xl);
    display: inline-block;
    transition: all var(--transition-fast);
}

.employment-period:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.company-logo {
    margin: 2rem 0;
}

.company-image {
    width: 200px;
    height: auto;
    max-height: 200px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.company-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(168, 185, 240, 0.2), 
        rgba(184, 165, 201, 0.2));
    opacity: 0;
    transition: all var(--transition-medium);
    border-radius: var(--border-radius-xl);
}

.company-image:hover {
    transform: scale(1.08) rotate(3deg);
    box-shadow: var(--shadow-xl);
    filter: brightness(1.1) contrast(1.2);
}

.company-image:hover::before {
    opacity: 1;
    animation: testimonial-glow 2s ease-in-out infinite;
}

@keyframes testimonial-glow {
    0%, 100% { 
        opacity: 0.8; 
        transform: scale(1); 
    }
    50% { 
        opacity: 1; 
        transform: scale(1.02); 
    }
}

.position-info {
    margin: 2rem 0;
}

.position-title {
    font-size: var(--font-size-body);
    font-style: italic;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-xl);
    display: inline-block;
    transition: all var(--transition-fast);
}

.position-title:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.responsibilities {
    text-align: center;
    margin-top: 2rem;
}

.responsibilities h5 {
    font-size: var(--font-size-h3);
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.responsibility-list {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
    display: inline-block;
}

.responsibility-list li {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1rem;
    font-size: var(--font-size-body);
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 0;
    text-align: left;
    width: 100%;
}

.responsibility-list li::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: linear-gradient(45deg, #fff59d, #ffcc80);
    border-radius: 2px;
    transition: height var(--transition-fast);
}

.responsibility-list li:hover::before {
    height: 100%;
}

.responsibility-list li:hover {
    transform: translateY(-2px);
    color: #fff59d;
}

.responsibility-list li i {
    color: #fff59d;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Enhanced Carousel Controls */
.carousel-control-prev,
.carousel-control-next {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.8) 100%);
    border-radius: 50%;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    top: 50%;
    transform: translateY(-50%);
    transition: all var(--transition-medium);
    border: 2px solid rgba(0, 0, 0, 0.3);
    box-shadow: var(--shadow-lg);
    position: absolute;
    overflow: hidden;
}

.carousel-control-prev::before,
.carousel-control-next::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(168, 185, 240, 0.3), rgba(184, 165, 201, 0.3));
    border-radius: 50%;
    opacity: 0;
    transition: all var(--transition-fast);
    transform: scale(0.8);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.9) 100%);
    transform: translateY(-50%) scale(1.15);
    border-color: rgba(0, 0, 0, 0.6);
    box-shadow: var(--shadow-xl);
}

.carousel-control-prev:hover::before,
.carousel-control-next:hover::before {
    opacity: 1;
    transform: scale(1);
    animation: control-pulse 2s ease-in-out infinite;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(0);
    transition: all var(--transition-fast);
}

.carousel-control-prev:hover .carousel-control-prev-icon,
.carousel-control-next:hover .carousel-control-next-icon {
    transform: scale(1.2);
}

@keyframes control-pulse {
    0%, 100% { 
        opacity: 0.8; 
        transform: scale(1); 
    }
    50% { 
        opacity: 1; 
        transform: scale(1.05); 
    }
}

/* Enhanced Carousel Indicators */
.carousel-indicators {
    bottom: -50px;
}

.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.carousel-indicators [data-bs-target].active {
    background: #fff;
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

/* Responsive for Skills and Experience */
@media (max-width: 992px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .experience-card {
        margin: 1rem;
    }
    
    .company-image {
        width: 150px;
        max-height: 150px;
    }
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .skill-card {
        padding: 1.5rem;
    }
    
    .certificate-icon {
        width: 24px;
        height: 24px;
    }
    
    .skill-certificates {
        gap: 0.3rem;
    }
    
    .experience-card {
        margin: 0.5rem;
        padding: 1.5rem;
    }
    
    .company-image {
        width: 120px;
        max-height: 120px;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 50px;
        height: 50px;
    }
    
    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 576px) {
    .skill-card {
        padding: 1rem;
    }
    
    .certificate-icon {
        width: 20px;
        height: 20px;
    }
    
    .skill-name {
        font-size: var(--font-size-small);
    }
    
    .progress-bar {
        height: 25px;
    }
    
    .experience-card {
        padding: 1rem;
    }
    
    .company-name {
        font-size: var(--font-size-body);
        padding: 0.75rem;
    }
    
    .company-image {
        width: 100px;
        max-height: 100px;
    }
}

/* Education Section */
.education-section {
    padding: var(--section-padding) 0;
    background: var(--education-gradient);
    position: relative;
    overflow: hidden;
}

.education-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain4" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="0.6" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain4)"/></svg>');
    opacity: 0.2;
    animation: float 30s ease-in-out infinite;
}

.education-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
    z-index: 2;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0.8) 100%);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: var(--shadow-sm);
}

.education-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
    animation: slideInFromLeft 0.8s ease-out;
}

.education-item:nth-child(even) {
    flex-direction: row-reverse;
    animation: slideInFromRight 0.8s ease-out;
}

.education-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 16px;
    background: var(--text-primary);
    border: 4px solid var(--education-gradient);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    box-shadow: var(--shadow-md);
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.education-date {
    flex: 0 0 45%;
    text-align: right;
    padding-right: 2rem;
}

.education-item:nth-child(even) .education-date {
    text-align: left;
    padding-right: 0;
    padding-left: 2rem;
}

.education-date time {
    font-size: var(--font-size-small);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-xl);
    display: inline-block;
    font-weight: 600;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.education-date time:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.education-content {
    flex: 0 0 45%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--card-padding);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.education-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(79, 172, 254, 0.1) 0%,
        rgba(0, 242, 254, 0.1) 100%);
    opacity: 0;
    transition: all var(--transition-medium);
    transform: translateY(-100%);
}

.education-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
}

.education-content:hover::before {
    opacity: 1;
    transform: translateY(0%);
}

.education-title {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.education-certificate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.education-certificate:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-md);
    color: #a5d4fe;
}

/* Personal Section */
.personal-section {
    padding: var(--section-padding) 0;
    background: var(--personal-gradient);
    position: relative;
    overflow: hidden;
}

.personal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain5" width="80" height="80" patternUnits="userSpaceOnUse"><circle cx="40" cy="40" r="0.8" fill="rgba(0,0,0,0.05)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain5)"/></svg>');
    opacity: 0.3;
}

.personal-section .section-title,
.personal-section .section-subtitle {
    color: var(--text-dark);
}

.personal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.personal-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-medium);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.personal-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.95);
}

.personal-card .card-header {
    background: linear-gradient(135deg, var(--primary-gradient));
    padding: 1.5rem;
    text-align: center;
}

.personal-card .card-title {
    font-size: var(--font-size-h3);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    font-style: italic;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    transition: all var(--transition-medium);
}

.video-container:hover iframe {
    transform: scale(1.02);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 3rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(168, 185, 240, 0.1) 0%,
        rgba(184, 165, 201, 0.1) 50%,
        rgba(245, 193, 253, 0.1) 100%);
    opacity: 0.5;
}

.footer-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: all var(--transition-fast);
    transform: translateX(-100%) rotate(45deg);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
    text-decoration: none;
}

.social-link:hover::before {
    opacity: 1;
    transform: translateX(100%) rotate(45deg);
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-info p {
    margin: 0;
    font-size: var(--font-size-small);
    color: var(--text-secondary);
}

.visitor-counter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-small);
}

.visitor-counter img {
    border-radius: var(--border-radius-sm);
}

.copyright {
    font-weight: 500;
}

/* Responsive Design for Education and Personal */
@media (max-width: 992px) {
    .education-timeline::before {
        left: 30px;
    }
    
    .education-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .education-item::before {
        left: 30px;
    }
    
    .education-date {
        flex: 0 0 auto;
        text-align: left !important;
        padding-right: 0 !important;
        padding-left: 0 !important;
        margin-bottom: 1rem;
    }
    
    .education-content {
        flex: 1;
        margin-left: 1rem;
    }
    
    .personal-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .education-timeline::before {
        left: 20px;
    }
    
    .education-item {
        padding-left: 50px;
    }
    
    .education-item::before {
        left: 20px;
        width: 12px;
        height: 12px;
    }
    
    .education-content {
        padding: 1.5rem;
    }
    
    .personal-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .footer-info {
        gap: 0.75rem;
    }
}

@media (max-width: 576px) {
    .education-timeline::before {
        left: 15px;
    }
    
    .education-item {
        padding-left: 40px;
    }
    
    .education-item::before {
        left: 15px;
        width: 10px;
        height: 10px;
    }
    
    .education-content {
        padding: 1rem;
    }
    
    .education-title {
        font-size: var(--font-size-small);
    }
    
    .education-certificate {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .personal-card .card-title {
        font-size: var(--font-size-body);
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .footer-info {
        gap: 0.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.m-0 { margin: 0; }
.p-0 { padding: 0; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 2.5rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }

/* Print Styles */
@media print {
    .navbar,
    .scroll-to-top,
    .loading-screen {
        display: none !important;
    }
    
    .hero-section,
    .skills-section,
    .experience-section,
    .education-section,
    .personal-section {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero-section,
    .skills-section,
    .experience-section,
    .education-section,
    .personal-section,
    .footer {
        background: white !important;
    }
    
    .hero-section *,
    .skills-section *,
    .experience-section *,
    .education-section *,
    .personal-section *,
    .footer * {
        color: black !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-dark: #000000;
        --bg-card: rgba(255, 255, 255, 0.2);
        --bg-card-hover: rgba(255, 255, 255, 0.3);
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .loading-screen {
        display: none !important;
    }
}