/* Global Styles */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-dark: #111827;
    --card-bg: #f8fafc;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary-color: #818cf8;
    --secondary-color: #a78bfa;
    --accent-color: #22d3ee;
    --text-color: #f9fafb;
    --text-light: #d1d5db;
    --bg-color: #111827;
    --bg-dark: #0f172a;
    --card-bg: #1f2937;
    --border-color: #374151;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: all 0.3s ease;
}

/* Global typography styling for theme compatibility */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-color) !important;
}

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

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

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

/* Bootstrap utility classes override for theme compatibility */
.text-dark {
    color: var(--text-color) !important;
}

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

/* Navigation */
.navbar {
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.navbar-logo:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.5);
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Theme Switcher */
.theme-switcher {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1000;
}

#theme-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
    background: var(--secondary-color);
}

/* Back to Top Button */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    cursor: pointer;
}

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

.back-to-top-btn:hover {
    transform: scale(1.1) translateY(-2px);
    background: var(--secondary-color);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.back-to-top-btn i {
    font-size: 1.2rem;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-text h2 {
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-text p {
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

.hero-3d-container {
    height: 500px;
    position: relative;
}

#profile-canvas {
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

/* Skills Section */
.skill-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

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

.skill-category {
    font-size: 0.875rem;
    color: var(--text-light);
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
}

.progress {
    height: 8px;
    border-radius: 10px;
    background: var(--border-color);
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 1s ease-in-out;
}

/* Project Cards */
.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

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

.project-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.project-content {
    padding: 1.5rem;
}

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

.project-tech .badge {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Service Cards */
.service-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

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

.service-icon {
    margin-bottom: 1.5rem;
}

.service-price {
    margin: 1rem 0;
}

/* Buttons */
.btn {
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-2px);
}

.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);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer h5 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.footer a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

/* 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);
    }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        text-align: center;
    }
    
    .hero-buttons .btn {
        display: block;
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .theme-switcher {
        right: 10px;
    }
    
    #theme-toggle {
        width: 40px;
        height: 40px;
    }
}

/* Loading Animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Form Styles */
.form-control {
    border-radius: 10px;
    border: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: var(--bg-color);
    color: var(--text-color);
}

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

.form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Dark theme adjustments */
[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
}

[data-theme="dark"] .form-control {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .form-control:focus {
    background: var(--card-bg);
    color: var(--text-color);
}