/* ================================
   CSS Variables & Theme Setup
   ================================ */
:root {
    /* Dark Theme - Enhanced */
    --bg-primary: #0a0612;
    --bg-secondary: #110c1d;
    --bg-surface: #161025;
    --bg-card: #1a142c;
    --bg-card-hover: #231d3a;
    
    --text-primary: #E8E4F0;
    --text-secondary: #9D97AF;
    --text-muted: #5C5670;
    
    --primary: #B794F6;
    --primary-light: #D6BCFA;
    --primary-dark: #805AD5;
    --primary-glow: rgba(183, 148, 246, 0.35);
    
    --accent: #9F7AEA;
    --accent-gradient: linear-gradient(135deg, #805AD5 0%, #B794F6 100%);
    
    --border-color: rgba(183, 148, 246, 0.12);
    --border-glow: rgba(183, 148, 246, 0.5);
    
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px var(--primary-glow);
    
    --gradient-text: linear-gradient(135deg, #B794F6 0%, #805AD5 100%);
    --gradient-bg: linear-gradient(135deg, #0a0612 0%, #110c1d 100%);
    --gradient-card: linear-gradient(145deg, #1a142c 0%, #161025 100%);
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    --nav-height: 70px;
    --container-max: 1200px;
}

/* Light Theme - Enhanced */
[data-theme="light"] {
    --bg-primary: #FAF9FC;
    --bg-secondary: #F3F0FA;
    --bg-surface: #EDE8F5;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FFFFFF;
    
    --text-primary: #1A1625;
    --text-secondary: #4A4458;
    --text-muted: #7A7288;
    
    --primary: #7C3AED;
    --primary-light: #9F67FF;
    --primary-dark: #5B21B6;
    --primary-glow: rgba(124, 58, 237, 0.25);
    
    --accent: #8B5CF6;
    --accent-gradient: linear-gradient(135deg, #7C3AED 0%, #9F67FF 100%);
    
    --border-color: rgba(124, 58, 237, 0.15);
    --border-glow: rgba(124, 58, 237, 0.5);
    
    --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.08);
    --shadow-md: 0 4px 20px rgba(124, 58, 237, 0.12);
    --shadow-lg: 0 8px 40px rgba(124, 58, 237, 0.16);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.25);
    
    --gradient-text: linear-gradient(135deg, #7C3AED 0%, #5B21B6 100%);
    --gradient-bg: linear-gradient(135deg, #FAF9FC 0%, #F3F0FA 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
}

/* ================================
   Reset & Base Styles
   ================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 20px);
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input, textarea {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

/* ================================
   Container
   ================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================
   Floating Background Elements
   ================================ */
.bg-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

[data-theme="light"] .floating-shape {
    opacity: 0.25;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #B794F6 0%, #805AD5 50%, #9F7AEA 100%);
    top: -150px;
    right: -150px;
    animation-delay: 0s;
    animation: float 25s ease-in-out infinite;
}

.shape-2 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #805AD5 0%, #553C9A 100%);
    bottom: 25%;
    left: -100px;
    animation-delay: -8s;
    animation: float 20s ease-in-out infinite reverse;
}

.shape-3 {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, #9F7AEA 0%, #B794F6 100%);
    bottom: -80px;
    right: 25%;
    animation-delay: -15s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #D6BCFA 0%, #805AD5 100%);
    top: 40%;
    left: 10%;
    animation-delay: -5s;
    animation: float 18s ease-in-out infinite;
}

.shape-5 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #805AD5 0%, #9F7AEA 100%);
    top: 20%;
    right: 20%;
    animation-delay: -12s;
    animation: float 22s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 6, 18, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(128, 90, 213, 0.15);
    border-bottom: 1px solid rgba(183, 148, 246, 0.1);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 30px rgba(124, 58, 237, 0.1);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}
.logo img {
    width: auto;
    height: 5rem;
    padding-top:  1rem;
}

.logo-bracket {
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-medium);
}

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Theme Toggle */
.theme-toggle {
    width: 52px;
    height: 28px;
    padding: 2px;
}

.toggle-track {
    width: 100%;
    height: 100%;
    background: var(--bg-surface);
    border-radius: 20px;
    display: flex;
    align-items: center;
    padding: 2px;
    cursor: pointer;
    transition: background var(--transition-medium);
    border: 1px solid var(--border-color);
}

.toggle-thumb {
    width: 22px;
    height: 22px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-medium), background var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.toggle-thumb svg {
    width: 14px;
    height: 14px;
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-medium);
}

.sun-icon {
    color: #FFD700;
    opacity: 1;
    transform: rotate(0deg);
}

.moon-icon {
    color: #fff;
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="light"] .toggle-thumb {
    transform: translateX(24px);
    background: var(--primary-dark);
}

[data-theme="light"] .sun-icon {
    opacity: 0;
    transform: rotate(90deg);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 20px 60px;
    position: relative;
    z-index: 1;
    background: radial-gradient(ellipse at 30% 20%, rgba(128, 90, 213, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(183, 148, 246, 0.06) 0%, transparent 50%),
                var(--bg-primary);
}

[data-theme="light"] .hero {
    background: radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(167, 139, 250, 0.05) 0%, transparent 50%),
                var(--bg-primary);
}

.hero-content {
    max-width: var(--container-max);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease forwards;
}

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

.greeting {
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.name {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typing-container {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.typing-text {
    color: var(--text-secondary);
    margin-right: 4px;
}

.typed-text {
    color: var(--primary);
    font-weight: 600;
    margin-left: 4px;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--primary);
    margin-left: 2px;
    animation: blink 1s infinite;
    vertical-align: text-bottom;
}

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

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.2) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Hero Visual - Code Block */
.hero-visual {
    animation: fadeInRight 0.8s ease 0.3s forwards;
    opacity: 0;
}

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

.code-block {
    background: var(--gradient-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-medium);
}

[data-theme="light"] .code-block {
    background: linear-gradient(145deg, #1A1425 0%, #151225 100%);
    border-color: rgba(167, 139, 250, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.code-block:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }

.file-name {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-content {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.code-keyword { color: #C792EA; }
.code-variable { color: #82AAFF; }
.code-property { color: #80CBC4; }
.code-string { color: #C3E88D; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}

[data-theme="light"] .scroll-indicator span {
    color: #7A7288;
}

[data-theme="light"] .mouse {
    border-color: #7A7288;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s infinite;
}

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

@keyframes scrollWheel {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 20px; }
}

/* ================================
   Section Styles
   ================================ */
section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    margin-bottom: 12px;
    padding: 6px 16px;
    background: var(--bg-surface);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================
   About Section
   ================================ */
.about {
    background: var(--bg-secondary),
                radial-gradient(ellipse at 80% 20%, rgba(128, 90, 213, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(183, 148, 246, 0.04) 0%, transparent 50%);
}

[data-theme="light"] .about {
    background: var(--bg-secondary),
                radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-frame {
    width: 280px;
    height: 280px;
    position: relative;
    background: radial-gradient(circle at center, rgba(183, 148, 246, 0.08) 0%, transparent 70%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphShape 8s ease-in-out infinite;
    transition: all 0.4s ease;
}

.image-frame:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(183, 148, 246, 0.4), 0 0 100px rgba(128, 90, 213, 0.2);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: transparent;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary);
    animation: morphShape 8s ease-in-out infinite;
    border: none;
    overflow: hidden;
    position: relative;
}

.image-placeholder span {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    filter: brightness(1.05) contrast(1.02) drop-shadow(0 0 20px rgba(183, 148, 246, 0.2));
    transition: all 0.4s ease;
}

.image-frame:hover .image-placeholder img {
    filter: brightness(1.1) contrast(1.05) drop-shadow(0 0 30px rgba(183, 148, 246, 0.4));
    transform: scale(1.02);
}

[data-theme="light"] .image-placeholder {
    background: linear-gradient(145deg, #F8F5FF 0%, #EDE8F5 100%);
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: inset 0 0 30px rgba(124, 58, 237, 0.1);
}

@keyframes morphShape {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
}

.image-glow {
    position: absolute;
    inset: -30px;
    background: linear-gradient(135deg, rgba(183, 148, 246, 0.3) 0%, rgba(128, 90, 213, 0.2) 50%, rgba(159, 122, 234, 0.25) 100%);
    filter: blur(50px);
    opacity: 0.35;
    z-index: -1;
    animation: glowPulse 4s ease-in-out infinite;
    transition: all 0.4s ease;
}

.image-frame:hover .image-glow {
    opacity: 0.6;
    inset: -40px;
    filter: blur(60px);
}

[data-theme="light"] .image-glow {
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.4) 0%, rgba(124, 58, 237, 0.3) 100%);
    opacity: 0.45;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.4; }
}

.about-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about-highlights {
    display: grid;
    gap: 24px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gradient-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

[data-theme="light"] .highlight-item {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
}

[data-theme="light"] .highlight-item:hover {
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.15);
}

.highlight-item:hover {
    border-color: var(--border-glow);
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-surface);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.highlight-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.highlight-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ================================
   Skills Section
   ================================ */
.skills {
    background: var(--bg-primary),
                radial-gradient(ellipse at 20% 30%, rgba(183, 148, 246, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(128, 90, 213, 0.05) 0%, transparent 50%);
    overflow: hidden;
}

.skills .container {
    max-width: 100%;
    padding: 0 40px;
}

.skills-grid,
.section-header {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="light"] .skills {
    background: var(--bg-primary),
                radial-gradient(ellipse at 20% 30%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.skill-category {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: all var(--transition-medium);
}

[data-theme="light"] .skill-category {
    background: linear-gradient(145deg, #FFFFFF 0%, #F5F0FF 100%);
}

.skill-category:hover {
    border-color: var(--border-glow);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.category-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 8px 16px;
    background: var(--bg-surface);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: default;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}



.skill-tag::before {
    content: '';
    position: absolute;
    inset: 0;
    /* background: var(--accent-gradient); */
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 0;
}
.skill-tag:hover {
    color: var(--primary);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px var(--primary-glow);
}


.skill-tag:hover::before {
    opacity: 1;
}

/* .skill-tag:hover {
    color: white;
    transform: scale(1.05);
    text-shadow: 0 1px 2px rgba(134, 16, 16, 0.3);
} */

[data-theme="light"] .skill-tag:hover {
    color: #333333 !important;
    text-shadow: none;
}

/* Skills Marquee */
.skills-marquee {
    margin-top: 60px;
    overflow: visible;
    padding: 50px 0 30px;
    position: relative;
    width: 100%;
}

.skills-marquee::before,
.skills-marquee::after {
    display: none;
}

.marquee-track {
    display: flex;
    gap: 24px;
    animation: marquee 35s linear infinite;
    width: max-content;
    padding: 20px 50px;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.marquee-item {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 90px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    position: relative;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0.7;
}

.marquee-item svg,
.marquee-item img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: all 0.4s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.marquee-item .skill-name {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    z-index: 10;
    pointer-events: none;
}


.marquee-item:hover {
    opacity: 1;
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.25);
    transform: translateY(-5px) scale(1.05);
    background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
    z-index: 5;
}

.marquee-item:hover svg,
.marquee-item:hover img {
    transform: scale(1.15);
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.3));
}

.marquee-item:hover .skill-name {
    opacity: 1 !important;
    top: -38px;
}

[data-theme="light"] .marquee-item {
    background: linear-gradient(145deg, #FFFFFF 0%, #F5F0FF 100%);
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.08);
    opacity: 0.6;
}

[data-theme="light"] .marquee-item:hover {
    box-shadow: 0 12px 40px rgba(124, 58, 237, 0.25);
    border-color: #7C3AED;
}

[data-theme="light"] .marquee-item:hover .skill-name {
    opacity: 1 !important;
}

/* ================================
   Certificates Section
   ================================ */
.certificates {
    background: var(--bg-secondary),
                radial-gradient(ellipse at 50% 80%, rgba(128, 90, 213, 0.06) 0%, transparent 50%);
}

[data-theme="light"] .certificates {
    background: var(--bg-secondary),
                radial-gradient(ellipse at 50% 80%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
}

.certificates-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.certificate-card {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.certificate-card:nth-child(odd) {
    flex-direction: row;
}

.certificate-card:nth-child(even) {
    flex-direction: row-reverse;
}

.cert-badge {
    width: 50px;
    height: 50px;
    /* background: var(--accent-gradient); */
    /* border-radius: 50%; */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 1;
    /* box-shadow: var(--shadow-glow); */
}

.cert-badge svg {
    width: 24px;
    height: 24px;
    color: white;
}

.cert-content {
    flex: 1;
    background: var(--gradient-card);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

[data-theme="light"] .cert-content {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
}

.cert-content:hover {
    border-color: var(--border-glow);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.cert-year {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    padding: 4px 12px;
    background: var(--bg-surface);
    border-radius: 12px;
    margin-bottom: 8px;
}

.cert-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.cert-issuer {
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.cert-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ================================
   Projects Section
   ================================ */
.projects {
    background: var(--bg-primary),
                radial-gradient(ellipse at 70% 20%, rgba(183, 148, 246, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 30% 80%, rgba(128, 90, 213, 0.04) 0%, transparent 50%);
}

[data-theme="light"] .projects {
    background: var(--bg-primary),
                radial-gradient(ellipse at 70% 20%, rgba(124, 58, 237, 0.04) 0%, transparent 50%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.project-card {
    background: var(--gradient-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

[data-theme="light"] .project-card {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
}

[data-theme="light"] .project-card:hover {
    box-shadow: 0 20px 50px rgba(124, 58, 237, 0.2);
}

.project-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--bg-surface);
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder svg {
    width: 60px;
    height: 60px;
    color: var(--text-muted);
    opacity: 0.5;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(124, 58, 237, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

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

.project-link {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    transition: transform var(--transition-medium);
}

.project-card:hover .project-link {
    transform: scale(1);
}

.project-link svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.project-info {
    padding: 24px;
}

.project-type {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 8px;
    display: block;
}

.project-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    padding: 6px 12px;
    background: var(--bg-surface);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

[data-theme="light"] .project-tech span {
    background: linear-gradient(145deg, #EDE8F5 0%, #F3F0FA 100%);
    color: #5B21B6;
}

/* ================================
   Contact Section
   ================================ */
.contact {
    background: var(--bg-secondary),
                radial-gradient(ellipse at 20% 50%, rgba(183, 148, 246, 0.06) 0%, transparent 50%);
}

[data-theme="light"] .contact {
    background: var(--bg-secondary),
                radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--gradient-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

[data-theme="light"] .contact-method {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
}

[data-theme="light"] .contact-method:hover {
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.12);
}

.contact-method:hover {
    border-color: var(--border-glow);
    transform: translateX(8px);
}

.method-icon {
    width: 44px;
    height: 44px;
    background: var(--bg-surface);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-icon svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.method-text {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.method-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

[data-theme="light"] .social-link {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
}

[data-theme="light"] .social-link:hover {
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.2);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.social-link:hover svg {
    color: white;
}

/* Contact Form */
.contact-form {
    background: var(--gradient-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .contact-form {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8F5FF 100%);
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.12);
}

.form-group {
    position: relative;
    margin-bottom: 28px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--bg-surface);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-medium);
    border: 1px solid transparent;
}

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

.form-group label {
    position: absolute;
    left: 16px;
    top: 16px;
    font-size: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    font-size: 0.75rem;
    color: var(--primary);
    background: var(--bg-card);
    padding: 0 6px;
}

.form-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: all var(--transition-medium);
    transform: translateX(-50%);
}

.form-group input:focus ~ .form-border,
.form-group textarea:focus ~ .form-border {
    width: 100%;
}

.submit-btn {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
}

.submit-btn svg {
    width: 20px;
    height: 20px;
}

/* ================================
   Footer
   ================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}
.footer-logo img{
    width: auto;
    height: 5rem;
    padding-top:  1rem;
}
.footer-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ================================
   Scroll Animations
   ================================ */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: block;
        width: 100%;
        margin-top: 30px;
    }
    
    .code-block {
        transform: none;
        font-size: 0.7rem;
        padding: 12px;
    }
    
    .code-header {
        padding: 8px 12px;
    }
    
    .file-name {
        font-size: 0.65rem;
    }
    
    .code-content {
        padding: 12px;
        font-size: 0.7rem;
        line-height: 1.4;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skill-card-wrapper {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        transform: translateX(-100%);
        transition: transform var(--transition-medium);
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .typing-container {
        font-size: 1.1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .image-frame {
        width: 200px;
        height: 200px;
    }
    
    .highlight-item {
        text-align: left;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .certificate-card,
    .certificate-card:nth-child(even) {
        flex-direction: column;
    }
    
    .timeline-line {
        left: 24px;
    }
    
    .cert-badge {
        position: absolute;
        left: 0;
    }
    
    .cert-content {
        margin-left: 40px;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 2rem;
    }
    
    .typing-container {
        font-size: 1rem;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 0;
        text-align: center;
        width: 100%;
    }
    
    .typing-text,
    .typed-text,
    .cursor {
        display: inline;
        margin: 0;
        text-align: center;
        width: auto;
    }
    
    .greeting {
        text-align: center;
    }
    
    .name {
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat {
        align-items: center;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .skills-marquee {
        overflow: visible;
    }
}