/* ========================================
   CSS VARIABLES & ROOT STYLES
======================================== */
:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent-color: #4285F4;
    --accent-hover: #3367d6;
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --border-color: #e0e0e0;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    
    /* Transitions */
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --accent-hover: #79c0ff;
    --card-bg: #161b22;
    --card-shadow: rgba(0, 0, 0, 0.4);
    --border-color: #30363d;
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    overflow-x: hidden;
    cursor: none;
}

html {
    scroll-behavior: smooth;
}

/* ========================================
   CUSTOM CURSOR
======================================== */
.cursor,
.cursor-follower {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: all 0.1s ease;
    mix-blend-mode: difference;
}

.cursor {
    background: var(--accent-color);
    transform: translate(-50%, -50%);
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-color);
    background: transparent;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

a:hover ~ .cursor,
button:hover ~ .cursor {
    transform: translate(-50%, -50%) scale(1.5);
}

/* ========================================
   ANIMATED BLOBS BACKGROUND
======================================== */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.3;
    animation: blob-animation 20s infinite ease-in-out;
    pointer-events: none;
    z-index: -1;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-color), #a5d8ff);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #79c0ff, var(--accent-hover));
    top: 50%;
    right: 10%;
    animation-delay: 5s;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--accent-color), #58a6ff);
    bottom: 10%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes blob-animation {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ========================================
   PARTICLES CANVAS
======================================== */
#particlesCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

/* ========================================
   THEME TOGGLE BUTTON
======================================== */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--accent-color);
    color: white;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--card-shadow);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    background: var(--accent-hover);
    box-shadow: 0 6px 20px var(--card-shadow);
}

.theme-toggle:active {
    transform: scale(0.95) rotate(-15deg);
}

/* ========================================
   LANGUAGE TOGGLE BUTTON
======================================== */
.language-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--accent-color);
    color: white;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--card-shadow);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.language-toggle:hover {
    transform: scale(1.1) rotate(-15deg);
    background: var(--accent-hover);
    box-shadow: 0 6px 20px var(--card-shadow);
}

.language-toggle:active {
    transform: scale(0.95) rotate(15deg);
}

.language-toggle i {
    transition: transform 0.3s ease;
}

.language-toggle:hover i {
    transform: rotateY(360deg);
}

.lang-text {
    transition: all 0.3s ease;
}

.sun-icon,
.moon-icon {
    position: absolute;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

[data-theme="light"] .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="light"] .moon-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ========================================
   HERO SECTION
======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 20px 20px 60px 20px;
    background: transparent;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Fade out effect on scroll */
.hero-section.fade-out {
    opacity: 0;
    transform: translateY(-50px);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Hero Logo */
.hero-logo {
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.logo-img {
    width: 120px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(66, 133, 244, 0.3));
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.logo-img:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 15px 40px rgba(66, 133, 244, 0.5));
}

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

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.8s ease;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
    margin-left: 5px;
}

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

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--text-secondary);
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease 0.2s both;
    min-height: 60px;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--card-shadow);
}

.btn-outline {
    background: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--card-shadow);
}

.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-animated:hover::before {
    width: 300px;
    height: 300px;
}

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

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--card-bg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px var(--card-shadow);
    border: 2px solid var(--border-color);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px var(--card-shadow);
}

/* Social Links with Brand Colors */
.social-link:has(.bi-envelope-fill):hover {
    background: #EA4335 !important;
    border-color: #EA4335 !important;
    box-shadow: 0 5px 25px rgba(234, 67, 53, 0.4) !important;
}

.social-link:has(.bi-discord):hover,
.discord-link:hover {
    background: #5865F2 !important;
    border-color: #5865F2 !important;
    box-shadow: 0 5px 25px rgba(88, 101, 242, 0.4) !important;
}

.social-link:has(.bi-linkedin):hover {
    background: #0077B5 !important;
    border-color: #0077B5 !important;
    box-shadow: 0 5px 25px rgba(0, 119, 181, 0.4) !important;
}

.social-link:has(.bi-instagram):hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%) !important;
    border-color: #E1306C !important;
    box-shadow: 0 5px 25px rgba(225, 48, 108, 0.4) !important;
}

.social-link:has(.bi-github):hover {
    background: #181717 !important;
    border-color: #181717 !important;
    box-shadow: 0 5px 25px rgba(24, 23, 23, 0.4) !important;
}

/* Discord Button Special Styling */
.discord-btn {
    background: #5865F2 !important;
    border-color: #5865F2 !important;
}

.discord-btn:hover {
    background: #4752C4 !important;
    border-color: #4752C4 !important;
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.5) !important;
}

/* Email Button Special Styling - Only in Contact Section */
.contact-buttons .btn:has(.bi-envelope-fill) {
    border-color: #EA4335;
    color: #EA4335;
}

.contact-buttons .btn:has(.bi-envelope-fill):hover {
    background: #EA4335 !important;
    border-color: #EA4335 !important;
    color: white !important;
    box-shadow: 0 10px 30px rgba(234, 67, 53, 0.5) !important;
}

/* LinkedIn Button Special Styling - Only in Contact Section */
.contact-buttons .btn:has(.bi-linkedin) {
    border-color: #0077B5;
    color: #0077B5;
}

.contact-buttons .btn:has(.bi-linkedin):hover {
    background: #0077B5 !important;
    border-color: #0077B5 !important;
    color: white !important;
    box-shadow: 0 10px 30px rgba(0, 119, 181, 0.5) !important;
}

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

/* ========================================
   SECTIONS
======================================== */
.services-section,
.skills-section,
.contact-section {
    padding: 80px 20px;
    background: var(--bg-secondary);
}

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

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
    border-radius: 2px;
}

/* Service Cards */
.service-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--card-shadow);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

/* Glassmorphism Effect */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px var(--card-shadow);
}

/* 3D Tilt Effect */
.service-card[data-tilt] {
    transform-style: preserve-3d;
}

.service-card[data-tilt]:hover {
    transform: translateY(-10px);
}

/* Card Glow Effect */
.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.service-card:hover .card-glow {
    opacity: 0.1;
    animation: rotate-glow 3s linear infinite;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Skills Grid */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    justify-content: center;
    align-items: center;
}

.skill-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 3px 15px var(--card-shadow);
    border: 1px solid var(--border-color);
    width: 150px;
    flex-shrink: 0;
}

.skill-item:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px var(--card-shadow);
}

.skill-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: block;
    transition: all 0.3s ease;
}

.skill-item:hover i {
    transform: scale(1.2);
    color: var(--accent-hover);
}

.skill-item span {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

/* Contact Section */
.contact-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--bg-secondary);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.footer-meta {
    font-size: 0.9rem;
}

.footer i {
    color: #e74c3c;
    animation: heartbeat 1.5s infinite;
}

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

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

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
    body {
        cursor: auto;
    }
    
    .cursor,
    .cursor-follower {
        display: none;
    }
    
    .theme-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }
    
    .blob {
        display: none;
    }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.fade-in {
    animation: fadeInUp 0.8s ease;
}