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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: var(--bg-primary);
    /* Space for fixed-top navbar across all pages */
    padding-top: var(--navbar-height);
}

/* Custom Properties */
:root {
    --primary-color: #6366f1;
    --secondary-color: #64748b;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-accent: #f8fafc;
    --border-color: #e2e8f0;
    --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-modern: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-cool: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.16);
    --shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    /* Fixed navbar height used for page offset */
    --navbar-height: 72px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-modern);
    border-radius: 2px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-modern);
    margin: 0 auto 2rem;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.section-divider::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-warm);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

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

/* Navigation */
.navbar {
    /* Default (before scroll): blend with page (transparent over hero/header) */
    background: transparent;
    transition: var(--transition);
    padding: 1rem 0;
    backdrop-filter: none;
    border-bottom: 0 !important;
    box-shadow: none;
}

.navbar.scrolled {
    /* After scroll: clean white navbar */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-medium);
    padding: 0.8rem 0;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
    transition: var(--transition);
}

/* Brand colors per state */
.navbar:not(.scrolled) .navbar-brand {
    color: #ffffff !important;
}

.navbar.scrolled .navbar-brand {
    color: var(--primary-color) !important;
}

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

/* Link base styles */
.navbar .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
}

/* Link colors per state */
.navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.95) !important;
}

.navbar.scrolled .nav-link {
    color: var(--text-primary) !important;
}

/* Hover/active per state */
.navbar:not(.scrolled) .nav-link:hover,
.navbar:not(.scrolled) .nav-link.active {
    color: #ffffff !important;
    background: transparent; /* remove pill */
    transform: none; /* keep steady */
    font-weight: 600;
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--primary-color) !important;
    background: transparent; /* remove fill for minimal style */
    transform: none;
    font-weight: 600;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px; /* lift the indicator for better aesthetics */
    left: 50%;
    width: 0;
    height: 3px; /* slightly thicker */
    background: var(--gradient-modern);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 999px; /* pill-like underline */
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    width: 60%; /* sleeker indicator width */
}

/* Underline color per state for better contrast */
.navbar:not(.scrolled) .nav-link::after {
    background: rgba(255, 255, 255, 0.95);
}

.navbar.scrolled .nav-link::after {
    background: var(--primary-color);
}

/* Keep consistent indicator width across states */
.navbar:not(.scrolled) .nav-link.active::after { width: 60%; }

/* Toggler visibility on both states */
.navbar .navbar-toggler {
    border-color: transparent;
}

.navbar:not(.scrolled) .navbar-toggler-icon {
    filter: invert(1) brightness(2);
}

.navbar.scrolled .navbar-toggler-icon {
    filter: none;
}

/* Make the first sections flow under the fixed navbar so it appears continuous */
.hero-section,
.page-header {
    /* Pull section up under navbar */
    margin-top: calc(-1 * var(--navbar-height));
    /* Compensate to keep internal spacing */
    padding-top: calc(var(--navbar-height) + 2rem);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    color: white;
}

/* Contact Band */
.contact-band {
    background: var(--gradient-modern);
    color: #fff;
    border-radius: 0;
    margin: 0; /* full-bleed without side gaps */
    position: relative;
    z-index: 5; /* ensure above any background visuals */
    overflow: hidden;
    pointer-events: auto;
}

.contact-band .container {
    position: relative;
    z-index: 6; /* above band visuals */
}

.contact-band .section-title {
    color: #fff;
}

.contact-band .section-divider {
    background: rgba(255, 255, 255, 0.6);
}

.contact-card {
    position: relative;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px dashed rgba(255, 255, 255, 0.55);
    border-radius: 16px;
    padding: 1.25rem 1rem 1.1rem 1rem;
    color: #fff;
    text-decoration: none;
    backdrop-filter: blur(6px);
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
    cursor: pointer;
    pointer-events: auto;
}

.contact-card * {
    pointer-events: auto;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.85);
}

.contact-icon-badge {
    position: absolute;
    top: -18px;
    left: 18px;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    background: #fff;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.6);
    z-index: 1;
}

.contact-icon-badge i { font-size: 1rem; }

.contact-card-body {
    padding-top: 0.5rem;
}

.contact-card-body h5 {
    margin-top: 0.5rem; /* leave space for badge overlap */
    font-weight: 700;
}

.contact-card small {
    color: rgba(255, 255, 255, 0.9);
    word-break: break-all;
}

@media (max-width: 575.98px) {
    .contact-band { margin: 0; }
    .contact-icon-badge { left: 12px; }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.geometric-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    top: 30%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 1s ease 0.3s both;
}

.badge-text {
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.5s both;
}

.title-line {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.name-highlight {
    display: block;
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 4rem;
    margin-bottom: 0.5rem;
}

.typing-text {
    color: #06b6d4;
    font-weight: 600;
}

.cursor {
    animation: blink 1s infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.7s both;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.9s both;
}

.btn-glow {
    position: relative;
    overflow: hidden;
    border-radius: 25px;
    padding: 1rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-glow:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-buttons .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    animation: fadeInUp 1s ease 1.1s both;
}

.stat-item {
    text-align: center;
}

.stat-circle {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    position: relative;
    animation: rotate 10s linear infinite;
}

.stat-circle::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid transparent;
    border-top: 2px solid #06b6d4;
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

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

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

.stat-item .stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #06b6d4;
    position: relative;
    z-index: 2;
}

.stat-percent {
    font-size: 1rem;
    color: #06b6d4;
    margin-left: 2px;
}

.stat-item .stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    animation: fadeInUp 1s ease 1.3s both;
}

.scroll-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    margin: 0 auto;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0%, 20%, 50%, 80%, 100% {
        transform: rotate(45deg) translateY(0);
        opacity: 1;
    }
    40% {
        transform: rotate(45deg) translateY(10px);
        opacity: 0.7;
    }
    60% {
        transform: rotate(45deg) translateY(5px);
        opacity: 0.9;
    }
}

/* Simple Features Section */
.features-section {
    background: #f8fafc;
    padding: 5rem 0;
}

.simple-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #e2e8f0;
}

.simple-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 3rem;
    color: #6366f1;
    margin-bottom: 1.5rem;
    text-align: center;
}

.card-content h4 {
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-align: center;
}

.card-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #64748b;
    position: relative;
    padding-left: 1.5rem;
    text-align: left;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Simple Stats Section */
.stats-section {
    background: white;
    padding: 5rem 0;
}

.simple-stat-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.simple-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.simple-stat-card .stat-icon {
    font-size: 2.5rem;
    color: #6366f1;
    margin-bottom: 1rem;
}

.simple-stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.simple-stat-card .stat-label {
    color: #64748b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* Simple Call to Action Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
}

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

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

.cta-buttons .btn {
    border-radius: 25px;
    padding: 1rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-buttons .btn:hover {
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-typing-text {
        font-size: 1.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-visual {
        margin-top: 3rem;
    }
    
    .profile-avatar {
        width: 150px;
        height: 150px;
    }
    
    .profile-avatar i {
        font-size: 4rem;
    }
    
    .skill-tags {
        gap: 0.25rem;
    }
    
    .skill-tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* About Section */
.about-image img {
    transition: var(--transition);
}

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

.about-content h3 {
    color: var(--primary-color);
    font-weight: 600;
}

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

.about-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 30px;
}

/* Skills Section */
.skill-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    text-align: center;
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

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

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

.skill-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-card h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Tech Skills Grid */
.tech-skill-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    padding: 2rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.tech-skill-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.tech-skill-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.tech-skill-card:hover .tech-skill-icon {
    transform: scale(1.1) rotate(5deg);
}

.tech-skill-card h5 {
    color: white;
    font-weight: 600;
    margin: 0;
    font-size: 0.9rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Individual skill icon colors - Updated for new skill structure */
/* Programming */
.tech-skill-card:nth-child(1) .tech-skill-icon { color: #3776ab; } /* Python */
.tech-skill-card:nth-child(2) .tech-skill-icon { color: #a8b9cc; } /* C */

/* Data Analysis & Visualization */
.tech-skill-card:nth-child(3) .tech-skill-icon { color: #130654; } /* Pandas */
.tech-skill-card:nth-child(4) .tech-skill-icon { color: #4dabcf; } /* NumPy */
.tech-skill-card:nth-child(5) .tech-skill-icon { color: #11557c; } /* Matplotlib */
.tech-skill-card:nth-child(6) .tech-skill-icon { color: #7b9e87; } /* Seaborn */
.tech-skill-card:nth-child(7) .tech-skill-icon { color: #f2c811; } /* Power BI */

/* Databases */
.tech-skill-card:nth-child(8) .tech-skill-icon { color: #4479a1; } /* MySQL */
.tech-skill-card:nth-child(9) .tech-skill-icon { color: #f29111; } /* SQL */

/* Machine Learning & AI */
.tech-skill-card:nth-child(10) .tech-skill-icon { color: #f7931e; } /* Scikit-learn */
.tech-skill-card:nth-child(11) .tech-skill-icon { color: #ff6f00; } /* TensorFlow */
.tech-skill-card:nth-child(12) .tech-skill-icon { color: #d00000; } /* Keras */
.tech-skill-card:nth-child(13) .tech-skill-icon { color: #ee4c2c; } /* PyTorch */

/* Web Development */
.tech-skill-card:nth-child(14) .tech-skill-icon { color: #e34f26; } /* HTML */
.tech-skill-card:nth-child(15) .tech-skill-icon { color: #1572b6; } /* CSS */
.tech-skill-card:nth-child(16) .tech-skill-icon { color: #f7df1e; } /* JavaScript */
.tech-skill-card:nth-child(17) .tech-skill-icon { color: #092e20; } /* Django */
.tech-skill-card:nth-child(18) .tech-skill-icon { color: #059669; } /* FastAPI */
.tech-skill-card:nth-child(19) .tech-skill-icon { color: #ff4b4b; } /* Streamlit */

/* Tools & Others */
.tech-skill-card:nth-child(20) .tech-skill-icon { color: #f05032; } /* Git */
.tech-skill-card:nth-child(21) .tech-skill-icon { color: #f37626; } /* Jupyter */
.tech-skill-card:nth-child(22) .tech-skill-icon { color: #217346; } /* Excel */
.tech-skill-card:nth-child(23) .tech-skill-icon { color: #007acc; } /* VS Code */

/* Skill Category Titles */
.skill-category-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.skill-category-title i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.progress {
    height: 8px;
    border-radius: 4px;
    background: var(--bg-secondary);
    overflow: hidden;
    position: relative;
}

.progress-bar {
    background: var(--gradient-modern);
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Projects Section */
.project-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    position: relative;
    border: 1px solid var(--border-color);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-warm);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

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

.project-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-content {
    padding: 1.5rem;
}

.project-content h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.project-content p {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tech {
    margin-bottom: 1rem;
}

.project-tech .badge {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

.project-links .btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.project-links .btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* Experience Section */
.experience-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    height: 100%;
    display: flex;
    align-items: flex-start;
}

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

.experience-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.experience-content h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.experience-content h6 {
    margin-bottom: 1rem;
    font-weight: 500;
}

.experience-content p {
    color: var(--secondary-color);
    line-height: 1.6;
}

/* Contact Section */
.contact-info h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--secondary-color);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    color: white;
}

.contact-form .form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--gradient-dark);
    color: white;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-modern);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-image {
        margin-bottom: 2rem;
    }
    
    .experience-card {
        flex-direction: column;
        text-align: center;
    }
    
    .experience-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .tech-skill-card {
        height: 100px;
        padding: 1.5rem 0.5rem;
    }
    
    .tech-skill-icon {
        font-size: 2rem;
    }
    
    .tech-skill-card h5 {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .skill-card,
    .project-card,
    .experience-card {
        margin-bottom: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-modern);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-warm);
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

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

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

.bg-gradient {
    background: var(--gradient-primary);
}

.shadow-custom {
    box-shadow: var(--shadow-medium);
}

.rounded-custom {
    border-radius: var(--border-radius);
}

/* 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);
}

/* Enhanced Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.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: left 0.5s;
}

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

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

.btn-primary:hover {
    background: var(--gradient-warm);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    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(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
    background: transparent;
}

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

/* Badge Styles */
.badge {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* Form Styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Section Spacing */
section {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
}

/* Prevent anchor jump from being hidden under fixed navbar */
section,
[id] {
    scroll-margin-top: var(--navbar-height);
}

/* Responsive adjustments for navbar height */
@media (max-width: 991.98px) {
  :root { --navbar-height: 66px; }
}

@media (max-width: 575.98px) {
  :root { --navbar-height: 60px; }
}

/* Image Hover Effects */
.about-image,
.project-image {
    position: relative;
    overflow: hidden;
}

.about-image::after,
.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 123, 255, 0.1);
    opacity: 0;
    transition: var(--transition);
}

.about-image:hover::after,
.project-image:hover::after {
    opacity: 1;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-modern);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--gradient-warm);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-heavy);
}

.scroll-to-top:active {
    transform: translateY(-1px) scale(0.95);
}

/* Responsive adjustments for scroll to top button */
@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* Page Header Styles */
.page-header {
    background: var(--gradient-modern);
    color: white;
    padding-top: 120px;
    padding-bottom: 80px;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Hero Badge */
.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-badge span {
    color: white;
    font-weight: 500;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
}

.hero-description p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Stats Section */
.stats-section {
    background: var(--bg-secondary);
}

.stat-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
}

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

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Featured Section */
.feature-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    text-align: center;
    height: 100%;
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Page Styles */
.about-image {
    position: relative;
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(99, 102, 241, 0.1);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.overlay-content i {
    font-size: 3rem;
    color: white;
}

.about-badge {
    display: inline-block;
    background: var(--gradient-modern);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.about-highlights {
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.highlight-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.highlight-item h5 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: 600;
}

.highlight-item p {
    color: var(--secondary-color);
    margin: 0;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-light);
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin-left: 1rem;
}

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

.timeline-content h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-content h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-content p {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

/* Skills Page Styles */
.skill-percentage {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.skill-description {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    height: 100%;
}

.skill-category h3 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.skill-name {
    font-weight: 500;
    color: var(--dark-color);
}

.skill-level {
    display: flex;
    gap: 0.2rem;
}

.skill-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e9ecef;
    transition: var(--transition);
}

.skill-dot.active {
    background: var(--primary-color);
}

/* Projects Page Styles */
.project-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    cursor: pointer;
}

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

.overlay-content {
    text-align: center;
}

.overlay-content .btn {
    background: white !important;
    color: #333 !important;
    border: 2px solid white !important;
    font-weight: 600 !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 25px !important;
    text-decoration: none !important;
    display: inline-block !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2) !important;
    cursor: pointer !important;
    z-index: 20 !important;
    position: relative !important;
    font-size: 0.9rem !important;
}

.overlay-content .btn:hover {
    background: #f8f9fa !important;
    color: #333 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3) !important;
    text-decoration: none !important;
}

.overlay-content .btn:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
}

.overlay-content .btn i {
    margin-right: 0.5rem !important;
    font-size: 1rem !important;
    color: #333 !important;
    font-weight: bold !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.overlay-content .btn:hover i {
    color: #24292e !important;
    transform: scale(1.1) !important;
    transition: all 0.3s ease !important;
}

.overlay-content .btn .fab.fa-github {
    color: #24292e !important;
    font-weight: 900 !important;
    font-size: 1.1rem !important;
    margin-right: 0.6rem !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2) !important;
}

.overlay-content .btn:hover .fab.fa-github {
    color: #000000 !important;
    transform: scale(1.15) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
}

/* Experience Page Styles */
.experience-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.experience-date {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.experience-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    background: var(--light-color);
    color: var(--dark-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.timeline-tags .badge {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
}

/* Skills Gained Section */
.skill-gained-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    height: 100%;
    transition: var(--transition);
}

.skill-gained-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.skill-gained-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.skill-gained-card h4 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.skill-gained-card ul {
    list-style: none;
    padding: 0;
}

.skill-gained-card li {
    padding: 0.5rem 0;
    color: var(--secondary-color);
    position: relative;
    padding-left: 1.5rem;
}

.skill-gained-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Resume Page Styles */
.resume-content {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

.resume-icon {
    font-size: 4rem;
    color: var(--primary-color);
}

.resume-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-item i {
    color: var(--success-color);
}

.resume-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.resume-section {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    height: 100%;
}

.resume-section h3 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.resume-list li {
    padding: 0.5rem 0;
    color: var(--secondary-color);
    border-bottom: 1px solid #f0f0f0;
}

.resume-list li:last-child {
    border-bottom: none;
}

.resume-list strong {
    color: var(--dark-color);
}

/* Contact Page Styles */
.contact-info {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    height: 100%;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.contact-item h6 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--secondary-color);
    margin: 0;
}

.contact-form-container {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    height: 100%;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-form-container:hover {
    box-shadow: var(--shadow-medium);
}

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

.contact-form .form-control {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: var(--bg-primary);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
    transform: translateY(-2px);
}

.contact-form .form-control:focus + .form-label {
    color: var(--primary-color);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: white;
}

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

/* Responsive Design for Multi-page */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline-marker {
        left: -1.5rem;
    }
    
    .resume-content {
        padding: 2rem 1rem;
    }
    
    .resume-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .resume-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-item i {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

/* Education Section Styles */
.education-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.education-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-modern);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.education-icon i {
    font-size: 2rem;
    color: white;
}

/* Internships Section Styles */
.internship-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    height: 100%;
}

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

.internship-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.internship-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

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

.internship-header h5 {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0;
}

/* Achievements Section Styles */
.achievement-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    text-align: center;
    height: 100%;
}

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

.achievement-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.achievement-icon i {
    font-size: 2rem;
    color: white;
}

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

.achievement-card h5 {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.hackerrank-stars {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.star-badge {
    background: var(--gradient-modern);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-card);
}

/* Responsive adjustments for new sections */
@media (max-width: 768px) {
    .education-card,
    .internship-card,
    .achievement-card {
        padding: 1.5rem;
    }
    
    .education-icon,
    .achievement-icon {
        width: 60px;
        height: 60px;
    }
    
    .education-icon i,
    .achievement-icon i {
        font-size: 1.5rem;
    }
    
    .internship-header i {
        font-size: 2.5rem;
    }
    
    .hackerrank-stars {
        flex-direction: column;
        align-items: center;
    }
}

/* Enhanced Social Links */
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-modern);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    margin: 0 0.5rem;
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-medium);
}

.social-link i {
    position: relative;
    z-index: 1;
}

/* Enhanced Card Interactions */
.education-card,
.internship-card,
.achievement-card {
    position: relative;
    overflow: hidden;
}

.education-card::before,
.internship-card::before,
.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-modern);
    transform: scaleX(0);
    transition: var(--transition);
}

.education-card:hover::before,
.internship-card:hover::before,
.achievement-card:hover::before {
    transform: scaleX(1);
}

.education-card:hover,
.internship-card:hover,
.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* Enhanced Image Hover Effects */
.image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.image-container img {
    transition: var(--transition-slow);
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.overlay-content i {
    font-size: 2rem;
    color: white;
}

/* Enhanced Focus States */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

/* Modern Glassmorphism Effects */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Enhanced Text Gradients */
.text-gradient {
    background: var(--gradient-modern);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modern Card Hover Effects */
.modern-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-modern);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

/* Responsive adjustments for new sections */
@media (max-width: 768px) {
    .tech-skill-card {
        height: 100px;
        padding: 1.5rem 0.5rem;
    }
    
    .tech-skill-icon {
        font-size: 2rem;
    }
    
    .tech-skill-card h5 {
        font-size: 0.8rem;
    }
}

/* Enhanced Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Services Section */
.services-section {
    background: #f8fafc;
    padding: 100px 0;
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
    border: 1px solid #e2e8f0;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    position: relative;
    margin-bottom: 2rem;
    text-align: center;
}

.service-icon {
    font-size: 3rem;
    color: #667eea;
    position: relative;
    z-index: 2;
    margin-bottom: 1rem;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    opacity: 0.2;
    filter: blur(10px);
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.4; }
}

.card-body h4 {
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-align: center;
}

.card-body p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.feature {
    background: #f1f5f9;
    color: #475569;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.service-card:hover .feature {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Role Cards for About Page */
.what-i-do-section {
    margin-top: 2rem;
}

.role-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    height: 100%;
    text-align: center;
}

.role-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.role-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.role-card h5 {
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.role-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Grade Badge Styles */
.grade-info {
    margin-top: 1rem;
}

.grade-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.grade-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.grade-badge i {
    color: #ffd700;
    font-size: 1rem;
}

/* Project Statistics Section */
.project-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.project-stats::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;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.project-stats .section-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.project-stats .section-divider {
    background: linear-gradient(90deg, #ffffff 0%, #f8f9fa 100%);
    height: 4px;
    width: 80px;
    margin: 0 auto 3rem;
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
}

/* Responsive adjustments for project statistics */
@media (max-width: 768px) {
    .project-stats .section-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .project-stats .section-title {
        font-size: 1.8rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .stat-item {
        padding: 1rem 0.5rem;
    }
}

.project-tech .badge {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

.project-insights {
    margin-bottom: 1rem;
}

.insights-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.insights-list li {
    color: var(--secondary-color);
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
    line-height: 1.4;
    padding-left: 0;
}

.insights-list li:last-child {
    margin-bottom: 0;
}

/* Certifications Section */
.certification-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    position: relative;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.certification-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

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

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

.certification-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.certification-card:hover .certification-icon {
    transform: scale(1.1) rotate(5deg);
}

.certification-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 1.3rem;
}

.certification-content h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 1rem;
}

.certification-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.certification-badge {
    display: inline-flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: auto;
}

.certification-badge i {
    margin-right: 0.5rem;
    font-size: 1rem;
}

/* Responsive adjustments for certifications */
@media (max-width: 768px) {
    .certification-card {
        padding: 1.5rem;
    }
    
    .certification-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .certification-content h4 {
        font-size: 1.2rem;
    }
    
    .certification-content h5 {
        font-size: 0.9rem;
    }
}

/* Modern Certifications Section (matches image format) */
.modern-cert-section {
    background: #ffffff;
    position: relative;
}

.modern-cert-card {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    color: #1e293b;
    position: relative;
    overflow: hidden;
}

.modern-cert-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.15); transform: translateY(-2px); transition: var(--transition); }

.index-badge {
    position: absolute;
    top: 10px;
    right: 14px;
    background: #f97316;
    color: #0b0b12;
    font-weight: 800;
    border-radius: 999px;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    box-shadow: 0 6px 18px rgba(249,115,22,0.4);
}

.cert-media { 
    border-radius: 12px; 
    overflow: hidden; 
    background: #f8fafc; 
    width: 100%;
    aspect-ratio: 16/9;
}
.cert-image { width: 100%; height: 100%; object-fit: cover; display: block; }

.cert-body { display: flex; flex-direction: column; gap: 0.35rem; }

.cert-title { color: #1e293b; font-size: 1.5rem; font-weight: 700; margin: 0; }

.cert-meta { color: #64748b; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; }
.cert-meta .dot { color: #94a3b8; }

.cert-desc { color: #64748b; margin: 0.4rem 0 0.6rem; }

.cert-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag { background: #f1f5f9; border: 1px solid #e2e8f0; color: #475569; padding: 0.25rem 0.6rem; border-radius: 999px; font-size: 0.85rem; }

.cert-actions { margin-top: 0.25rem; }

/* Responsive adjustments */
@media (max-width: 768px) {
  .cert-title { font-size: 1.25rem; }
}