/* Custom styles to match the theme */
:root {
    /* Dark mode variables */
    --dark-bg-primary: #121212; /* Slightly darker than pure black for better contrast */
    --dark-bg-secondary: #1e1e1e; /* Slightly lighter slate-gray for cards */
    --dark-text-primary: #f1f1f1; /* Slightly off-white text for eye comfort */
    --dark-text-secondary: #b0b0b0; /* Light gray text */
    --dark-border-color: rgba(255, 255, 255, 0.08); /* Subtle white border */
    
    /* Light mode variables */
    --light-bg-primary: #fafafa; /* Off-white background for eye comfort */
    --light-bg-secondary: #f0f0f0; /* Light gray background for cards */
    --light-text-primary: #333333; /* Dark gray text */
    --light-text-secondary: #666666; /* Medium gray text */
    --light-border-color: rgba(0, 0, 0, 0.08); /* Subtle black border */
    
    /* Common variables */
    --accent-color: #6366f1; /* Indigo accent color - more modern */
    --accent-hover: #4f46e5; /* Darker indigo for hover states */
    --green-color: #10b981; /* Emerald green for checkmarks */
    
    /* Default to dark mode */
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --border-color: var(--dark-border-color);
}

/* Light mode class applied to body */
body.light-mode {
    --bg-primary: var(--light-bg-primary);
    --bg-secondary: var(--light-bg-secondary);
    --text-primary: var(--light-text-primary);
    --text-secondary: var(--light-text-secondary);
    --border-color: var(--light-border-color);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden; /* Prevent horizontal scroll */
    transition: background-color 0.3s ease, color 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

/* Apply theme colors to elements */
.header-bg,
.section-bg,
.card-bg,
footer {
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease;
}

/* Card style for sections */
.card-bg {
    background-color: var(--bg-secondary);
}

/* Transparent borders for sections */
.section-border {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    margin: 1.5rem auto;
    max-width: 1200px;
    width: calc(100% - 3rem);
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

/* Text colors */
.text-primary {
    color: var(--text-primary);
}

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

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

/* Social icons */
.social-icon {
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.social-icon:hover {
    color: var(--accent-color);
}

/* Hero section social media icons - Theme adaptive */
.hero-social-icons i {
    color: white !important;
}

body.light-mode .hero-social-icons i {
    color: white !important;
}

/* Hero section skill tags - Theme adaptive */
.hero-skills span {
    color: white !important;
}

body.light-mode .hero-skills span {
    color: #1f2937 !important; /* Dark gray text for light mode */
}

body.light-mode .hero-skills span:hover {
    color: #3b82f6 !important; /* Blue color on hover in light mode */
}

/* Mobile Profile Picture Touch Effects */
@media (max-width: 1024px) {
    #profileContainer.touch-active {
        transform: scale(1.05) !important;
    }
    
    #profileContainer.touch-active > div.relative {
        transform: scale(1.05) !important;
        box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.25) !important;
        border-color: rgba(99, 102, 241, 0.5) !important;
    }
    
    #profileContainer.touch-active img {
        transform: scale(1.1) !important;
        filter: brightness(1.1) contrast(1.05) !important;
    }
    
    /* Enhance the gradient rings on touch */
    #profileContainer.touch-active .absolute.-inset-8 {
        filter: blur(2rem) !important;
    }
    
    #profileContainer.touch-active .absolute.-inset-6 {
        filter: blur(1rem) !important;
        opacity: 1 !important;
    }
    
    #profileContainer.touch-active .absolute.-inset-3 {
        opacity: 0.8 !important;
    }
    
    #profileContainer.touch-active .absolute.-inset-1 {
        opacity: 0.6 !important;
    }
    
    /* Add smooth transitions for mobile touch */
    #profileContainer,
    #profileContainer > div.relative,
    #profileContainer img {
        transition: all 0.3s ease !important;
    }
}

/* Enhanced styling for better visual appeal */
.section-heading {
    position: relative;
    display: inline-block;
}

.section-heading:after {
    content: "";
    position: absolute;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.skill-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    border-radius: 1rem;
    background-color: var(--bg-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card {
    border-radius: 1rem;
    background-color: var(--bg-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

/* Improved button styles */
.btn {
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
}

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Animation effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease forwards;
}

.animate-delay-100 {
    animation-delay: 0.1s;
}

.animate-delay-200 {
    animation-delay: 0.2s;
}

.animate-delay-300 {
    animation-delay: 0.3s;
}

/* Spin animation for profile image border */
@keyframes spin-slow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.animate-spin-slow {
    animation: spin-slow 20s linear infinite;
}

/* Improved card styles */
.card-bg {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-bg:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Theme toggle slider button */
.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background-color: #3a3a3a; /* Dark background by default */
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 0;
    border: none;
    overflow: hidden;
}

body.light-mode .theme-toggle {
    background-color: #e4e4e4; /* Light background in light mode */
}

/* Icons */
.theme-toggle i {
    position: absolute;
    font-size: 14px;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 2; /* Above the circle */
}

.theme-toggle .fa-moon {
    left: 9px;
    color: #e4e4e4; /* Light moon icon in dark mode */
    opacity: 1;
}

.theme-toggle .fa-sun {
    right: 9px;
    color: #3a3a3a; /* Dark sun icon in light mode */
    opacity: 0;
}

body.light-mode .theme-toggle .fa-moon {
    opacity: 0;
}

body.light-mode .theme-toggle .fa-sun {
    opacity: 1;
}

/* Circle indicator */
.theme-toggle::before {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    background-color: #3a3a3a; /* Dark circle in dark mode (over moon icon) */
    transition: transform 0.3s ease, background-color 0.3s ease;
    z-index: 1;
}

body.light-mode .theme-toggle::before {
    transform: translateX(30px); /* Move to right in light mode */
    background-color: #e4e4e4; /* Light circle in light mode (over sun icon) */
}

/* Project cards */
.project-card {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Form elements */
input, textarea, select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* Button styles */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb; /* Darker blue */
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    transition: all 0.3s ease;
}

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

/* Skill badge styling */
.skill-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.05);
}

.skill-badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15), 0 0 0 1px var(--accent-color);
    border-color: var(--accent-color);
}

body.light-mode .skill-badge:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15), 0 0 0 1px var(--accent-color);
}

body:not(.light-mode) .skill-badge:hover {
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2), 0 0 0 1px var(--accent-color);
}

/* Keyframes for the fade-in-up animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Apply the animation to elements */
.animate-fadeInUp {
    animation: fadeInUp 1s ease-out forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

/* Animation delay cascades */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }

/* Mobile menu styling */
#mobile-menu {
    transform-origin: top center;
    animation: fadeIn 0.3s ease-out;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

#mobile-menu a {
    position: relative;
    z-index: 60;
    -webkit-tap-highlight-color: rgba(0,0,0,0); /* Remove default mobile tap highlight */
    touch-action: manipulation; /* Improve touch event handling */
}

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

.mobile-link::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    opacity: 0;
    transform: scale(0);
    border-radius: 4px;
    transition: transform 0.3s, opacity 0.3s;
    z-index: -1;
}

.mobile-link:active::after {
    opacity: 0.1;
    transform: scale(1);
}

#mobile-menu-overlay {
    animation: fadeIn 0.2s ease-out;
}
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }
.animate-delay-500 { animation-delay: 0.5s; }

/* Certificate View Buttons */
.view-cert-btn {
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.view-cert-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 0.7s ease;
}

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

.view-cert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.view-cert-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 3px rgba(0,0,0,0.15);
}

/* Mobile tilt effects */
.tilt-active {
    will-change: transform;
    box-shadow: 0 14px 28px rgba(0,0,0,0.15), 0 10px 10px rgba(0,0,0,0.12) !important;
    z-index: 5;
}

.skill-badge,
.project-card,
.certification-card,
.card-bg,
.testimonial-card {
    backface-visibility: hidden;
    transform-style: preserve-3d;
    position: relative;
}

.tilt-inner {
    transform-style: preserve-3d;
    width: 100%;
    height: 100%;
}

/* Different tilt effects based on section */
#profile .card-bg.tilt-active {
    box-shadow: 0 20px 30px rgba(0,0,0,0.2), 0 15px 15px rgba(0,0,0,0.15) !important;
}

#experience .card-bg.tilt-active {
    box-shadow: 0 18px 25px rgba(0,0,0,0.18), 0 12px 12px rgba(0,0,0,0.14) !important;
}

#contact-full .card-bg.tilt-active {
    box-shadow: 0 16px 24px rgba(0,0,0,0.16), 0 10px 10px rgba(0,0,0,0.12) !important;
}

/* Mobile responsiveness improvements */
@media (max-width: 768px) {
    .mobile-full-width {
        width: 100% !important;
    }
    
    /* Improve touch targets on mobile */
    a, button {
        min-height: 44px; /* Apple's recommended minimum touch target size */
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    /* Tilt effect for mobile cards */
    .skill-badge,
    .project-card,
    .certification-card,
    .card-bg,
    .testimonial-card {
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        touch-action: manipulation;
    }
    
    /* Remove scale down effect since we're using tilt instead */
    .skill-badge:active,
    .project-card:active,
    .certification-card:active,
    .card-bg:active,
    .testimonial-card:active,
    .btn:active,
    .social-icon:active {
        transform: none;
    }
    
    /* Improve active feedback for touch */
    .active-link {
        color: var(--accent-color) !important;
        background-color: rgba(99, 102, 241, 0.1);
    }
}

/* Theme-adaptive button text styles */
.view-cert-btn {
    color: white !important;
}

.view-cert-btn i {
    color: white !important;
}

/* In light mode, make certification buttons have dark text for better contrast */
body.light-mode .view-cert-btn {
    color: #333333 !important;
}

body.light-mode .view-cert-btn i {
    color: #333333 !important;
}

/* Get in Touch button should always be white on gradient background */
.hero-cta-btn,
.hero-cta-btn span,
.hero-cta-btn i {
    color: white !important;
}

/* In light mode, make Get in Touch button text black for better contrast */
body.light-mode .hero-cta-btn,
body.light-mode .hero-cta-btn span,
body.light-mode .hero-cta-btn i {
    color: #333333 !important;
}