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

:root {
    /* Soft Professional Light Theme */
    --bg-main: #F8FAFC;
    --bg-section: #EEF2F7;
    --bg-card: #FFFFFF;
    --bg-footer: #0F172A;

    --text-heading: #0F172A;
    --text-body: #475569;
    --text-muted: #64748B;

    --primary: #2563EB;
    --primary-hover: #1E40AF;

    --border: #E2E8F0;
}

/* Base Styles */
* {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Enhanced Mouse Tracker */
.cursor-tracker {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
    pointer-events: none;
}

.cursor-ring {
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    backdrop-filter: blur(2px);
    pointer-events: none;
}

.cursor-trail {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
    pointer-events: none;
}

/* Hover Effects for Mouse Tracker */
.cursor-tracker.hover .cursor-dot {
    transform: translate(-50%, -50%) scale(2);
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.cursor-tracker.hover .cursor-ring {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: rgba(240, 147, 251, 0.8);
}

.cursor-tracker.click .cursor-dot {
    transform: translate(-50%, -50%) scale(0.5);
}

.cursor-tracker.click .cursor-ring {
    transform: translate(-50%, -50%) scale(2);
    border-color: rgba(245, 87, 108, 0.8);
}

/* Interactive Elements Cursor */
a, button, .btn-primary, .btn-secondary, .social-link, .project-card, .card {
    cursor: none !important;
}

/* 3D Orbiting Elements */
.orbit-element {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbit 20s linear infinite;
}

@keyframes orbit {
    0% {
        transform: translate(-50%, -50%) rotate(0deg) translateX(200px) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg) translateX(200px) rotate(-360deg);
    }
}

/* Enhanced 3D Hero Section */
.hero-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-3d .hero-content {
    transform: translateZ(50px);
}

/* Enhanced 3D Profile Container */
.profile-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.profile-3d .profile-image {
    transform: translateZ(30px);
    transition: transform 0.3s ease;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.profile-3d:hover .profile-image {
    transform: translateZ(50px) rotateY(10deg);
}

/* Profile Image Fix */
.profile-image-container {
    width: 320px;
    height: 320px;
    max-width: 100%;
    aspect-ratio: 1/1;
}

@media (min-width: 768px) {
    .profile-image-container {
        width: 384px;
        height: 384px;
    }
}

.profile-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
}

/* Enhanced 3D Badge */
.badge-3d {
    transform-style: preserve-3d;
    transform: translateZ(20px);
    transition: all 0.3s ease;
}

.badge-3d:hover {
    transform: translateZ(30px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

/* Enhanced 3D Buttons */
.btn-3d {
    transform-style: preserve-3d;
    transform: translateZ(10px);
    transition: all 0.3s ease;
    box-shadow: 
        0 10px 20px rgba(0,0,0,0.2),
        0 6px 6px rgba(0,0,0,0.1);
}

.btn-3d:hover {
    transform: translateZ(20px) translateY(-5px);
    box-shadow:
        0 20px 40px rgba(37, 99, 235, 0.4),
        0 10px 15px rgba(0,0,0,0.2);
}

.btn-3d:active {
    transform: translateZ(5px) translateY(-2px);
    box-shadow: 
        0 5px 10px rgba(0,0,0,0.2),
        0 3px 3px rgba(0,0,0,0.1);
}

/* Enhanced 3D Social Icons */
.social-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
    width: 56px;
    height: 56px;
    position: relative;
}

.social-3d .icon-front,
.social-3d .icon-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.6s ease;
    transform-style: preserve-3d;
}

.social-3d .icon-back {
    transform: rotateY(180deg) translateZ(1px);
}

.social-3d:hover {
    transform: rotateY(180deg);
}

.social-3d:hover .icon-front {
    transform: rotateY(180deg) translateZ(1px);
}

.social-3d:hover .icon-back {
    transform: rotateY(0deg) translateZ(1px);
}

/* Enhanced 3D Cards */
.card-3d {
    transform-style: preserve-3d;
    transition: all 0.6s ease;
    transform: translateZ(20px);
}

.card-3d:hover {
    transform: translateZ(40px) rotateX(5deg) rotateY(5deg);
    box-shadow: 
        0 30px 60px rgba(102, 126, 234, 0.3),
        0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Enhanced 3D Text */
.text-3d {
    color: var(--text-heading) !important;
}

/* Black Text Override */
.text-black {
    color: var(--text-heading) !important;
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
}

/* Enhanced 3D Section Headings */
.section-title-3d {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-heading) !important;
    transform: none !important;
    position: relative;
    display: inline-block;
}

.section-title-3d::before {
    display: none !important;
}

.section-title-3d::after {
    display: none !important;
}

.section-title-3d:hover {
    transform: none !important;
    text-shadow: none !important;
}

/* 3D Word Effects */
.word-3d {
    display: inline-block;
    color: var(--accent) !important;
    text-shadow: none !important;
    transform: none !important;
}

.word-3d:hover {
    transform: none !important;
    color: var(--accent) !important;
}

/* 3D Letter Effects */
.letter-3d {
    display: inline-block;
    color: var(--text-heading) !important;
}

.letter-3d:hover {
    transform: none !important;
    color: var(--accent) !important;
}

/* 3D Floating Words */
.floating-word {
    position: absolute;
    color: var(--text-muted) !important;
    transform: none !important;
}

/* Enhanced 3D Card Titles */
.card-title-3d {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-heading) !important;
    transform: none !important;
}

.card-title-3d:hover {
    transform: none !important;
    color: var(--accent) !important;
}

/* 3D Section Subtitles */
.subtitle-3d {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted) !important;
    transform: none !important;
}

.subtitle-3d:hover {
    transform: none !important;
    color: var(--text-heading) !important;
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
}

/* Enhanced 3D Typing Container */
.typing-3d {
    transform-style: preserve-3d;
    transform: translateZ(15px);
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Enhanced 3D Floating Elements */
.floating-3d-element {
    transform-style: preserve-3d;
    animation: float3d 6s ease-in-out infinite;
}

.floating-3d-element:hover {
    animation-play-state: paused;
    transform: translateZ(20px) scale(1.1);
}

/* Enhanced 3D Status Badge */
.status-3d {
    transform-style: preserve-3d;
    transform: translateZ(25px);
    transition: all 0.3s ease;
}

.status-3d:hover {
    transform: translateZ(35px) rotateX(5deg);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

/* Enhanced 3D Scroll Indicator */
.scroll-3d {
    transform-style: preserve-3d;
    transform: translateZ(15px);
    transition: all 0.3s ease;
}

.scroll-3d:hover {
    transform: translateZ(25px) translateY(-5px);
}

/* Enhanced Background Elements */
.floating-bg-elements .element {
    transform-style: preserve-3d;
    transition: all 0.3s ease;
}

.floating-bg-elements .element:hover {
    transform: translateZ(10px) scale(1.2);
    opacity: 0.3;
}

/* Enhanced Gradient Overlays */
.gradient-overlay-3d {
    transform-style: preserve-3d;
    transform: translateZ(-50px);
}

/* Enhanced Container with 3D Perspective */
.container-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* Enhanced 3D Transform GPU Acceleration */
.transform-gpu {
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Enhanced 3D Blur Effects */
.backdrop-blur-xl {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Enhanced 3D Animations */
@keyframes float3d {
    0%, 100% {
        transform: translateY(0px) translateZ(0px) rotateX(0deg) rotateY(0deg);
    }
    25% {
        transform: translateY(-20px) translateZ(10px) rotateX(5deg) rotateY(5deg);
    }
    50% {
        transform: translateY(-10px) translateZ(5px) rotateX(-5deg) rotateY(-5deg);
    }
    75% {
        transform: translateY(-15px) translateZ(8px) rotateX(3deg) rotateY(-3deg);
    }
}

/* Enhanced 3D Pulse Animation */
@keyframes pulse3d {
    0%, 100% {
        transform: scale(1) translateZ(0px);
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    }
    50% {
        transform: scale(1.1) translateZ(10px);
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    }
}

/* Enhanced 3D Rotate Animation */
@keyframes rotate3d {
    0% {
        transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) translateZ(0px);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg) translateZ(0px);
    }
}

/* Enhanced 3D Bounce Animation */
@keyframes bounce3d {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateZ(0px);
    }
    40% {
        transform: translateY(-30px) translateZ(15px);
    }
    60% {
        transform: translateY(-15px) translateZ(8px);
    }
}

/* 3D Canvas Container */
#threejs-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* 3D Floating Elements */
.floating-3d-element {
    position: absolute;
    transform-style: preserve-3d;
    animation: float3d 6s ease-in-out infinite;
}

@keyframes float3d {
    0%, 100% {
        transform: translateY(0px) rotateX(0deg) rotateY(0deg);
    }
    25% {
        transform: translateY(-20px) rotateX(5deg) rotateY(5deg);
    }
    50% {
        transform: translateY(-10px) rotateX(-5deg) rotateY(-5deg);
    }
    75% {
        transform: translateY(-15px) rotateX(3deg) rotateY(-3deg);
    }
}

/* 3D Card Effects */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.6s;
    perspective: 1000px;
}

.card-3d:hover {
    transform: rotateY(10deg) rotateX(-10deg);
}

.card-3d .card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
}

.card-3d .card-front {
    transform: rotateY(0deg);
}

.card-3d .card-back {
    transform: rotateY(180deg);
}

/* 3D Text Effects */
.text-3d {
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* 3D Button Effects */
.btn-3d {
    transform-style: preserve-3d;
    transition: all 0.3s ease;
    box-shadow:
        0 4px 0 #4a5568,
        0 8px 10px rgba(0,0,0,0.3);
}

.btn-3d:hover {
    transform: translateY(-2px);
    box-shadow:
        0 6px 0 #4a5568,
        0 12px 15px rgba(0,0,0,0.4);
}

.btn-3d:active {
    transform: translateY(2px);
    box-shadow: 
        0 2px 0 #4a5568,
        0 4px 6px rgba(0,0,0,0.3);
}

/* 3D Geometric Shapes */
.geo-cube {
    width: 60px;
    height: 60px;
    transform-style: preserve-3d;
    animation: rotateCube 10s linear infinite;
}

@keyframes rotateCube {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

.geo-sphere {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--button-hover) 100%);
    border-radius: 50%;
    box-shadow:
        0 0 20px rgba(59, 130, 246, 0.5),
        inset 0 0 20px rgba(255, 255, 255, 0.2);
    animation: pulseSphere 3s ease-in-out infinite;
}

@keyframes pulseSphere {
    0%, 100% {
        transform: scale(1);
        box-shadow:
            0 0 20px rgba(59, 130, 246, 0.5),
            inset 0 0 20px rgba(255, 255, 255, 0.2);
    }
    50% {
        transform: scale(1.1);
        box-shadow:
            0 0 30px rgba(59, 130, 246, 0.8),
            inset 0 0 30px rgba(255, 255, 255, 0.3);
    }
}

.geo-pyramid {
    width: 0;
    height: 0;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 60px solid var(--accent);
    transform-style: preserve-3d;
    animation: rotatePyramid 8s linear infinite;
    filter: drop-shadow(0 10px 20px rgba(102, 126, 234, 0.5));
}

@keyframes rotatePyramid {
    0% {
        transform: rotateY(0deg) rotateX(30deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(30deg);
    }
}

/* 3D Skill Bars */
.skill-bar-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.skill-bar-3d .skill-progress {
    position: relative;
    transform: translateZ(20px);
    box-shadow:
        0 0 20px rgba(59, 130, 246, 0.5),
        0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 3D Navigation */
.nav-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.nav-3d .nav-link {
    transform: translateZ(0);
    transition: transform 0.3s ease;
}

.nav-3d .nav-link:hover {
    transform: translateZ(10px);
}

/* 3D Social Icons */
.social-3d {
    transform-style: preserve-3d;
    transition: all 0.3s ease;
}

.social-3d:hover {
    transform: rotateY(180deg);
}

.social-3d .icon-front,
.social-3d .icon-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-3d .icon-back {
    transform: rotateY(180deg);
}

/* 3D Timeline */
.timeline-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.timeline-3d .timeline-dot {
    transform: translateZ(30px);
    box-shadow:
        0 0 30px rgba(59, 130, 246, 0.5),
        0 15px 30px rgba(0, 0, 0, 0.3);
}

/* 3D Contact Form */
.form-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.form-3d input,
.form-3d textarea {
    transform: translateZ(10px);
    transition: all 0.3s ease;
}

.form-3d input:focus,
.form-3d textarea:focus {
    transform: translateZ(20px);
    box-shadow:
        0 0 20px rgba(59, 130, 246, 0.5),
        0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 3D Hero Section */
.hero-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-3d .hero-content {
    transform: translateZ(50px);
}

/* 3D Floating Elements Background */
.floating-bg-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.floating-bg-elements .element {
    position: absolute;
    opacity: 0.1;
    animation: floatRandom 20s linear infinite;
}

@keyframes floatRandom {
    0% {
        transform: translateY(100vh) rotate(0deg);
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
    }
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-main);
    opacity: 0.1;
}

/* Dark Mode Toggle Button */
.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.dark-mode-toggle .sun-icon,
.dark-mode-toggle .moon-icon {
    font-size: 20px;
    transition: all 0.3s ease;
}

.dark-mode-toggle .sun-icon {
    color: #fbbf24;
}

.dark-mode-toggle .moon-icon {
    color: #6366f1;
}

/* Dark Mode Styles */
.dark-mode {
    background-color: #1a202c !important;
    color: #e2e8f0 !important;
}

.dark-mode .dark-mode-toggle {
    background: #2d3748;
    border-color: #4a5568;
}

.dark-mode .hero-section {
    background-color: var(--bg-main) !important;
}

.dark-mode .text-black {
    color: var(--text-heading) !important;
}

.dark-mode .card {
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
}

.dark-mode .bg-white {
    background-color: var(--bg-card) !important;
}

.dark-mode .bg-gray-50 {
    background-color: var(--bg-section) !important;
}

/* Light Mode Hero Section */
.hero-section {
    background-color: var(--bg-main) !important;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation Styles */
.nav-fixed {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--bg-header) !important;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--text-muted) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--accent) !important;
}

/* Mobile Menu */
.mobile-menu-content {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

/* Typing Effect */
.typing-effect {
    border-right: 3px solid #fbbf24;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: #fbbf24; }
    51%, 100% { border-color: transparent; }
}

/* Section Styles */
.section {
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-main);
    border-top: 1px solid var(--border);
}

/* Dark mode section override */
.dark-mode .section {
    background-color: var(--bg-main) !important;
}

/* Card Styles */
.card {
    background-color: var(--bg-card) !important;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border) !important;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Project Card Hover */
.project-card {
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.project-card img {
    transition: transform 0.3s ease;
}

/* Tech Tags */
.tech-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* Social Links */
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Hero Avatar */
.hero-avatar {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Form Input Styles */
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: var(--bg-section) !important;
    color: var(--text-body);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Gradient Background */
.gradient-bg {
    background-color: var(--accent) !important;
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, #60A5FA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button Styles */
.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background-color: var(--button) !important;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background-color: var(--button-hover) !important;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background: transparent;
    color: var(--accent);
    text-decoration: none;
    border: 2px solid var(--accent);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

/* Skill Bars */
.skill-bar {
    width: 0;
    transition: width 2s ease-in-out;
}

/* Timeline Styles */
.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: translateX(-50%);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--accent) !important;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
}

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

#back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* Dark Theme Styles */
.dark-theme {
    background-color: var(--bg-main) !important;
    color: var(--text-body);
}

.dark-theme .nav-fixed {
    background-color: var(--bg-header) !important;
}

.dark-theme .card {
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
    color: var(--text-body);
}

.dark-theme .form-input {
    background-color: var(--bg-section) !important;
    border-color: var(--border) !important;
    color: var(--text-body);
}

.dark-theme .form-input::placeholder {
    color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .timeline-line {
        left: 2rem;
    }
    
    .timeline-dot {
        width: 100%;
        margin-left: 4rem;
    }
    
    .timeline-dot:nth-child(even) {
        margin-left: 4rem;
    }
    
    .timeline-dot::before {
        left: -1.5rem;
    }
    
    .timeline-dot:nth-child(even)::before {
        left: -1.5rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background-color: var(--accent);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    animation: slideIn 0.3s ease;
}

.notification.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.notification.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

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

/* Focus States */
a:focus, button:focus, input:focus, textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .nav-fixed, #mobile-menu, #back-to-top {
        display: none;
    }
    
    .hero-section {
        background: none !important;
        color: black !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #e5e7eb;
    }
}

/* Global Color Helpers */
.bg-light-primary { background-color: var(--bg-main) !important; }
.bg-light-secondary { background-color: var(--bg-section) !important; }
.bg-light-card { background-color: var(--bg-card) !important; }
.bg-light-footer { background-color: var(--bg-footer) !important; }

.text-light-primary { color: var(--text-heading) !important; }
.text-light-body { color: var(--text-body) !important; }
.text-light-muted { color: var(--text-muted) !important; }
.text-light-accent { color: var(--primary) !important; }

.btn-light-primary { background-color: var(--primary) !important; color: #FFFFFF !important; }
.btn-light-primary:hover { background-color: var(--primary-hover) !important; }
.btn-light-secondary { border: 1px solid var(--primary) !important; color: var(--primary) !important; background-color: transparent !important; }
.btn-light-secondary:hover { background-color: var(--primary) !important; color: #FFFFFF !important; }

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