/* ============================================
   PORTFOLIO WEBSITE - COMPLETE STYLESHEET v2.2
   ============================================ */

/* ===== IMPORT FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    /* Dark Theme Colors */
    --bg-primary-dark: #0f172a;
    --bg-secondary-dark: #1e293b;
    --bg-accent-dark: #334155;
    --text-primary-dark: #f1f5f9;
    --text-secondary-dark: #cbd5e1;
    --text-muted-dark: #94a3b8;
    
    /* Brand Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Navbar Colors */
    --nav-bg: rgba(255, 255, 255, 0.85);
    --nav-bg-dark: rgba(15, 23, 42, 0.90);
    --nav-text: #1e293b;
    --nav-text-dark: #f1f5f9;
    --nav-hover: rgba(0, 0, 0, 0.06);
    --nav-hover-dark: rgba(255, 255, 255, 0.12);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --easing: cubic-bezier(0.23, 1, 0.32, 1);
    --transition-fast: all 0.15s var(--easing);
    --transition: all 0.3s var(--easing);
    --transition-slow: all 0.5s var(--easing);
}

/* ===== DARK THEME ===== */
.dark-theme {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-accent: var(--bg-accent-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    
    --nav-bg: var(--nav-bg-dark);
    --nav-text: var(--nav-text-dark);
    --nav-hover: var(--nav-hover-dark);
}

/* ===== HIGH CONTRAST MODE ===== */
.high-contrast {
    filter: contrast(130%) saturate(110%);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: var(--transition);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===== LOADING SCREEN ===== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-circle {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-secondary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loader-text {
    color: var(--text-muted);
    font-weight: 500;
}

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

/* ===== SECTIONS ===== */
.section {
    position: relative;
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* ===== RE-DESIGNED NAVBAR ===== */
.navbar {
    background: var(--nav-bg) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.85rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.dark-theme .navbar {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.navbar.scrolled {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
    padding: 0.55rem 0;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.06);
}

.navbar-toggler {
    border: 0;
    padding: 0.25rem 0.55rem;
}

.nav-link {
    color: var(--nav-text) !important;
    font-weight: 600;
    padding: 0.55rem 0.9rem !important;
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--easing);
    z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: scaleX(1);
}

.nav-link:hover,
.nav-link.active {
    color: #fff !important;
}

.theme-switcher {
    width: 42px;
    height: 42px;
    background: var(--nav-hover);
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nav-text);
    transition: var(--transition);
    cursor: pointer;
}

.theme-switcher:hover {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #0f172a;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.9;
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    color: white;
    text-align: center;
    z-index: 1;
}

.avatar-container {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 6px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-slow);
    object-fit: cover;
    position: relative;
    z-index: 2;
}

.avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.5);
}

.avatar-ring {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border: 3px solid transparent;
    border-radius: 50%;
    background: var(--gradient-accent);
    background-clip: border-box;
    animation: rotate 8s linear infinite;
    z-index: 1;
}

.status-indicator {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid white;
}

.status-indicator.online {
    background: var(--success-color);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.9;
    min-height: 2rem;
}

.typed-text {
    color: var(--accent-color);
}

.cursor {
    animation: blink 1s infinite;
}

.hero-description {
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-links a:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: gentle-bounce 3.5s var(--easing) infinite;
    cursor: pointer;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: white;
    position: relative;
    margin: 0 auto;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 30px;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
    font-size: 0.9rem;
}

.btn::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: var(--transition);
}

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

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: #0f172a;
    transform: translateY(-3px);
    border-color: white;
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: white;
}

/* ===== ABOUT SECTION ===== */
#about {
    background: var(--bg-secondary);
}

.about-image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
}

.about-image-container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image-container:hover img {
    transform: scale(1.05);
}

.about-overlay {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.about-stats {
    display: flex;
    gap: 2rem;
}

.about-stats .stat h4 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.about-stats .stat p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.about-content h3 {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.personal-info .info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.personal-info .info-item i {
    width: 20px;
    color: var(--primary-color);
    margin-right: 1rem;
}

.skills-list {
    list-style: none;
    padding: 0;
}

.skills-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skills-list li i {
    margin-right: 0.5rem;
    width: 16px;
}

/* ===== SKILLS SECTION ===== */
.skills-category {
    background: var(--bg-primary);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

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

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-percentage {
    font-weight: 600;
    color: var(--primary-color);
}

.progress {
    height: 10px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: var(--radius-full);
    width: 0;
    transition: width 2s ease-in-out;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(45deg, 
        rgba(255,255,255,.15) 25%, 
        transparent 25%, 
        transparent 50%, 
        rgba(255,255,255,.15) 50%, 
        rgba(255,255,255,.15) 75%, 
        transparent 75%, 
        transparent);
    background-size: 1rem 1rem;
    animation: progress-bar-stripes 1s linear infinite;
}

.skill-card {
    background: var(--bg-primary);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    height: 100%;
    border: 1px solid rgba(99, 102, 241, 0.1);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    transition: var(--transition);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(360deg);
}

.skill-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.skill-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: var(--gradient-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.skill-tag:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== PROJECTS SECTION ===== */
.projects-filter {
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    margin: 0 0.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

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

.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-links .btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.project-content {
    padding: 2rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.project-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-status.completed {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.project-status.in-progress {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.project-content h5 {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-features {
    margin: 1rem 0;
}

.project-features small {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.project-features i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

/* Project Filter Animation */
.project-item {
    transition: var(--transition);
}

.project-item.hide {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

/* ===== TIMELINE STYLES ===== */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    width: 100%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 2rem);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 2rem);
    margin-right: 0;
    text-align: left;
}

.timeline-marker {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    z-index: 1;
}

.timeline-content {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-highlights,
.certificate-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.highlight-tag {
    background: var(--gradient-accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.tech-tag {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* ===== CERTIFICATE CARDS ===== */
.certificate-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
    height: 100%;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.certificate-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.certificate-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.certificate-badge {
    margin-left: auto;
    font-size: 1.5rem;
}

.certificate-content h5 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.certificate-issuer {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.certificate-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* ===== INTEREST CARDS ===== */
.interest-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
    height: 100%;
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.interest-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
}

.interest-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.interest-stats {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.interest-stats .stat-item {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

.interest-stats i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* ===== GOAL CARDS ===== */
.goals-category-title {
    color: var(--text-primary);
    font-weight: 700;
}

.goal-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
    height: 100%;
}

.goal-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.goal-icon {
    font-size: 2rem;
    color: var(--success-color);
    margin-bottom: 0.75rem;
}

.goal-content h5 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.goal-progress {
    margin: 1rem 0;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ===== VISION SECTION ===== */
.vision-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.vision-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.vision-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.vision-quote {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    font-size: 1.1rem;
}

.vision-pillars {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.pillar {
    text-align: center;
    flex: 1;
}

.pillar i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.pillar h6 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pillar p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== CONTACT SECTION ===== */
#contact {
    background: #0f172a;
    position: relative;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.contact-header h4 {
    color: white;
    margin-bottom: 1rem;
}

.contact-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h6 {
    color: white;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.25rem;
    cursor: pointer;
    transition: var(--transition);
}

.contact-details p:hover {
    color: var(--accent-color);
}

.contact-details small {
    color: rgba(255, 255, 255, 0.6);
}

.contact-social h6 {
    color: white;
    margin-bottom: 1rem;
}

.contact-social .social-links {
    justify-content: flex-start;
}

.contact-social .social-links a {
    width: 45px;
    height: 45px;
    margin-right: 1rem;
}

.availability-status {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-dot.available {
    background: var(--success-color);
    animation: pulse-green 2s infinite;
}

/* ===== CONTACT FORM ===== */
.contact-form-container {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.form-header h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    background: rgba(0, 0, 0, 0.04);
    border: 2px solid transparent;
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition);
    color: var(--text-primary);
}

.dark-theme .form-control {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary-dark);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
    background: var(--bg-primary);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.btn-loader {
    display: none;
    margin-left: 0.5rem;
}

.btn-sending .btn-loader {
    display: inline-block;
}

.form-note {
    text-align: center;
}

.form-note small {
    color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
    background: #111827;
    color: rgba(255, 255, 255, 0.8);
    padding: 2rem 0;
}

.footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

.footer .text-danger {
    color: #ff6b6b !important;
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.5);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.back-to-top:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes gentle-bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-12px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes heartbeat {
    0%, 14%, 28%, 42%, 70% {
        transform: scale(1);
    }
    7%, 21%, 35% {
        transform: scale(1.1);
    }
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .about-overlay {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 1rem;
    }
    
    .timeline::before {
        left: 8px;
    }
    
    .timeline-marker {
        left: 8px;
        transform: none;
    }
    
    .timeline-content {
        width: 100%;
        margin: 0 0 0 60px !important;
        text-align: left !important;
    }
    
    .vision-pillars {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .avatar {
        width: 150px;
        height: 150px;
    }
    
    .hero-buttons .btn {
        display: block;
        margin-bottom: 1rem;
        margin-right: 0 !important;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .skill-card {
        margin-bottom: 2rem;
    }
    
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .projects-filter {
        text-align: center;
    }
    
    .filter-btn {
        margin: 0.25rem;
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .contact-methods {
        margin-bottom: 1.5rem;
    }
    
    .contact-item {
        margin-bottom: 1.5rem;
    }
    
    .timeline-content {
        margin-left: 50px !important;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .skill-card {
        padding: 2rem 1.5rem;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    h5 { font-size: 1.125rem; }
    h6 { font-size: 1rem; }
}

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

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
.form-control:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    }
}

/* Print styles (tiếp theo) */
@media print {
    .navbar,
    .hero-section,
    .scroll-indicator,
    .back-to-top,
    #contact {
        display: none !important;
    }
    
    body {
        color: black !important;
        background: white !important;
    }
    
    .section {
        break-inside: avoid;
        padding: 1rem 0;
    }
    
    .skill-card,
    .project-card,
    .certificate-card,
    .interest-card,
    .goal-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .timeline-marker {
        background: #333 !important;
    }
}

/* ===== BG-LIGHT THEME ADJUSTMENT ===== */
.bg-light {
    background: var(--bg-secondary) !important;
}

.dark-theme .bg-light {
    background: var(--bg-secondary-dark) !important;
}

/* ===== BG-DARKER FOR FOOTER ===== */
.bg-darker {
    background: #111827 !important;
}

/* ===== UTILITY CLASSES ===== */
.text-primary {
    color: var(--primary-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-info {
    color: var(--accent-color) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* ===== COMPANY LOCATION IN TIMELINE ===== */
.company-location {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

.company-location i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* ===== EXPERIENCE SUMMARY ===== */
.experience-summary p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* ===== EXPERIENCE TECHNOLOGIES ===== */
.experience-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* ===== ADDITIONAL SPACING UTILITIES ===== */
.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mb-5 {
    margin-bottom: 3rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.mt-5 {
    margin-top: 3rem !important;
}

.me-2 {
    margin-right: 0.5rem !important;
}

.me-3 {
    margin-right: 1rem !important;
}

.ms-3 {
    margin-left: 1rem !important;
}

/* ===== ADDITIONAL FORM STYLES ===== */
.form-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.is-invalid {
    border-color: var(--danger-color) !important;
}

/* ===== ADDITIONAL BUTTON VARIANTS ===== */
.btn-light {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.btn-light:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--radius);
}

/* ===== ADDITIONAL RESPONSIVE UTILITIES ===== */
.text-center {
    text-align: center !important;
}

.text-md-start {
    text-align: left !important;
}

.text-md-end {
    text-align: right !important;
}

@media (max-width: 767.98px) {
    .text-md-start {
        text-align: center !important;
    }
    
    .text-md-end {
        text-align: center !important;
    }
}

/* ===== ADDITIONAL DISPLAY UTILITIES ===== */
.d-flex {
    display: flex !important;
}

.align-items-center {
    align-items: center !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

/* ===== ADDITIONAL BORDER UTILITIES ===== */
.rounded-3 {
    border-radius: var(--radius-lg) !important;
}

/* ===== ADDITIONAL SHADOW UTILITIES ===== */
.shadow {
    box-shadow: var(--shadow) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* ===== ADDITIONAL POSITION UTILITIES ===== */
.fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}

/* ===== ADDITIONAL OVERFLOW UTILITIES ===== */
.overflow-hidden {
    overflow: hidden !important;
}

/* ===== ADDITIONAL INTERACTION UTILITIES ===== */
.cursor-pointer {
    cursor: pointer !important;
}

/* ===== ADDITIONAL ANIMATION CLASSES ===== */
.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.slide-up {
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.slide-up.active {
    transform: translateY(0);
    opacity: 1;
}

/* ===== ADDITIONAL VENDOR PREFIXES ===== */
.backdrop-blur {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.dark-theme ::-webkit-scrollbar-track {
    background: var(--bg-secondary-dark);
}

/* ===== SELECTION STYLING ===== */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* ===== FOCUS VISIBLE STYLING ===== */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== ADDITIONAL ANIMATION KEYFRAMES ===== */
@keyframes slideInLeft {
    from {
        transform: translateX(-100px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes zoomIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== ADDITIONAL HOVER EFFECTS ===== */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: var(--transition);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* ===== ADDITIONAL GRADIENT UTILITIES ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-border {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}

/* ===== ADDITIONAL SPACING FOR MOBILE ===== */
@media (max-width: 576px) {
    .px-3 {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    .py-4 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }
}

/* ===== END OF STYLESHEET ===== */

/* Education Section Styles */
.education-card {
    background: #fff;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 4px solid #007bff;
    transition: all 0.3s ease;
    text-align: center;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.timeline-date .badge {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    background: linear-gradient(45deg, #007bff, #6610f2);
}

.university-name {
    color: #2c3e50;
    font-weight: 700;
    margin: 1rem 0 0.5rem 0;
    font-size: 1.5rem;
}

.major {
    color: #6c757d;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.gpa-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
    display: inline-block;
}

.gpa-item {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.gpa-value {
    color: #28a745;
    font-weight: 700;
    font-size: 1.2rem;
    margin-left: 0.5rem;
}

.education-details {
    border-top: 1px solid #e9ecef;
    padding-top: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.coursework {
    border-top: 1px solid #e9ecef;
    padding-top: 1rem;
}

.coursework-title {
    color: #495057;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.course-tag {
    background: linear-gradient(45deg, #e3f2fd, #bbdefb);
    color: #1976d2;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #90caf9;
    transition: all 0.3s ease;
}

.course-tag:hover {
    background: linear-gradient(45deg, #2196f3, #1976d2);
    color: white;
    transform: translateY(-2px);
}

.timeline-marker {
    background: linear-gradient(45deg, #007bff, #6610f2);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .education-card {
        padding: 1.5rem;
    }
    
    .course-tags {
        justify-content: center;
    }
    
    .detail-item {
        justify-content: flex-start;
        text-align: left;
    }
}

/* ===== ENHANCED CONTACT SECTION ===== */
.contact-intro {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.contact-info-wrapper {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Contact Methods Grid */
.contact-methods-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-method-card {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.contact-method-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.contact-method-card .contact-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.contact-method-card .contact-details h6 {
    margin-bottom: 0.25rem;
    font-weight: 600;
    color: white;
}

.contact-method-card .contact-details p {
    margin-bottom: 0.25rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Social Section */
.social-section {
    margin-bottom: 2rem;
}

.social-title {
    color: white;
    margin-bottom: 1rem;
    font-weight: 600;
}

.social-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-2px);
}

.social-link i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

/* Availability Card */
.availability-card {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.availability-content .status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.status-text {
    font-weight: 600;
    color: #10b981;
}

.availability-note {
    color: rgba(255, 255, 255, 0.6);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.75rem;
}

.quick-action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.quick-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    color: white;
}

.quick-action-btn i {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.quick-action-btn span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Enhanced Form Container */
.contact-form-container {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.form-title {
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-subtitle {
    color: var(--text-muted);
    margin: 0;
    font-size: 1rem;
}

/* Form Layout */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-label i {
    color: var(--primary-color);
}

.form-control {
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    background: rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* Character Counter */
.char-counter {
    text-align: right;
    margin-top: 0.5rem;
}

/* Form Options */
.form-options {
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--radius-lg);
}

.form-check {
    margin-bottom: 0.75rem;
}

.form-check-label {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    cursor: pointer;
}

.form-check-label i {
    color: var(--primary-color);
}

/* Enhanced Submit Button */
.btn-send {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.btn-loader {
    display: none;
}

.btn-send.sending .btn-text {
    display: none;
}

.btn-send.sending .btn-loader {
    display: inline;
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.form-note {
    margin-top: 1rem;
    color: var(--text-muted);
}

/* Bottom CTA */
.contact-cta {
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
}

.contact-cta h4 {
    color: white;
    margin-bottom: 1rem;
}

.contact-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.direct-contact-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
    
    .social-links-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .direct-contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .direct-contact-buttons .btn {
        width: 200px;
    }
}

@media (max-width: 576px) {
    .contact-info-wrapper {
        padding: 1.5rem;
    }
    
    .contact-method-card {
        padding: 0.75rem;
    }
    
    .contact-method-card .contact-icon {
        width: 40px;
        height: 40px;
    }
}