/* ========================================
   CSS Variables & Theme Setup
   ======================================== */
:root {
/* Dark Theme (Default) - Old Blue Gradient */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2234;
    --bg-card: rgba(17, 24, 39, 0.25);
    --bg-card-hover: rgba(31, 41, 55, 0.35);
    
    /* Blue Gradient Theme */
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 50%, #8b5cf6 100%);
    --gradient-old: linear-gradient(135deg, #1e3a5f 0%, #0f172a 50%, #1e3a5f 100%);
    --gradient-card: linear-gradient(145deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    --gradient-hero: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    
    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #60a5fa;
    
    /* Border Colors */
    --border-color: rgba(59, 130, 246, 0.2);
    --border-glow: rgba(59, 130, 246, 0.4);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);
    --shadow-glow-accent: 0 0 40px rgba(6, 182, 212, 0.4);
    
    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Spacing */
    --container-width: 1200px;
    --nav-height: 70px;
    --info-bar-height: 45px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-tertiary: #cbd5e1;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-glow: rgba(37, 99, 235, 0.3);
    --accent: #0891b2;
    --accent-light: #06b6d4;
    
    --gradient-card: linear-gradient(145deg, rgba(37, 99, 235, 0.08) 0%, rgba(8, 145, 178, 0.04) 100%);
    --gradient-hero: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-accent: #2563eb;
    
    --border-color: rgba(37, 99, 235, 0.15);
    --border-glow: rgba(37, 99, 235, 0.3);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.2);
    --shadow-glow-accent: 0 0 40px rgba(8, 145, 178, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

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

/* ========================================
   Background
   ======================================== */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--gradient-old);
}

.background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.15;
    filter: blur(2px);
    transition: opacity var(--transition-normal), filter var(--transition-normal);
}

[data-theme="light"] .background::before {
    opacity: 0.3;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 14, 23, 0.95) 0%,
        rgba(10, 14, 23, 0.85) 50%,
        rgba(10, 14, 23, 0.95) 100%
    );
    transition: background var(--transition-normal);
}

[data-theme="light"] .bg-overlay {
    background: linear-gradient(
        180deg,
        rgba(248, 250, 252, 0.9) 0%,
        rgba(248, 250, 252, 0.85) 50%,
        rgba(248, 250, 252, 0.9) 100%
    );
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: var(--info-bar-height);
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: var(--container-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.nav-logo:hover img {
    transform: scale(1.1);
}

.nav-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-selector select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.language-selector select:hover {
    border-color: var(--primary);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.theme-toggle i {
    font-size: 1rem;
    transition: transform var(--transition-normal);
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ========================================
   Info Bar
   ======================================== */
.info-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--info-bar-height);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1001;
    transition: all var(--transition-normal);
}

.info-container {
    max-width: var(--container-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.info-item i {
    color: var(--primary);
    font-size: 0.9rem;
}

.info-socials {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-socials a {
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.info-socials a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: calc(var(--nav-height) + var(--info-bar-height) + 2rem) 2rem 4rem;
    background: var(--gradient-hero);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-logo {
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-logo img {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-full);
    border: 4px solid var(--primary);
    box-shadow: 
        var(--shadow-glow),
        0 0 60px rgba(59, 130, 246, 0.4);
    transition: all var(--transition-normal);
    animation: pulse-glow 3s ease-in-out infinite, rotate-slow 20s linear infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 
            var(--shadow-glow),
            0 0 60px rgba(59, 130, 246, 0.4);
    }
    50% {
        box-shadow: 
            var(--shadow-glow),
            0 0 80px rgba(59, 130, 246, 0.6);
    }
}

@keyframes rotate-slow {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(5deg);
    }
    75% {
        transform: rotate(-5deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

.hero-logo img:hover {
    transform: scale(1.05);
    box-shadow: 
        var(--shadow-glow-accent),
        0 0 100px rgba(6, 182, 212, 0.5);
}

.typing-text {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-height: 1.2em;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cursor {
    display: inline-block;
    color: var(--primary);
    animation: blink 1s infinite;
    font-weight: 400;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.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 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-glow);
}

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

.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;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s both;
}

.stat-box {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    min-width: 120px;
    transition: all var(--transition-normal);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down i {
    font-size: 1.5rem;
    color: var(--text-muted);
}

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

/* ========================================
   Section Styles
   ======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ========================================
   About Section
   ======================================== */
.about-content {
    display: grid;
    gap: 2rem;
}

.about-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
}

.about-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.about-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.about-header i {
    font-size: 2rem;
    color: var(--primary);
}

.about-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.about-stat {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.about-stat:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.about-stat i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.about-stat .stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-stat .stat-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ========================================
   Card Base Styles - Transparent with Blue Glow
   ======================================== */
.service-card,
.feature-card,
.about-card,
.about-stat,
.portfolio-card,
.pricing-card,
.achievement-card,
.tool-item,
.skill-item,
.contact-method,
.info-box,
.social-link {
    background: rgba(17, 24, 39, 0.25) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.4) !important;
    box-shadow: 
        0 0 25px rgba(59, 130, 246, 0.15),
        inset 0 0 20px rgba(59, 130, 246, 0.05);
    transition: all 0.3s ease;
}

/* Blue Light Glow Effect on Hover */
.service-card:hover,
.feature-card:hover,
.about-card:hover,
.about-stat:hover,
.portfolio-card:hover,
.pricing-card:hover,
.achievement-card:hover,
.tool-item:hover,
.skill-item:hover {
    background: rgba(17, 24, 39, 0.25) !important;
    border-color: rgba(59, 130, 246, 0.6) !important;
    box-shadow: 
        0 0 30px rgba(59, 130, 246, 0.4),
        0 0 60px rgba(59, 130, 246, 0.2),
        inset 0 0 20px rgba(59, 130, 246, 0.1);
    transform: translateY(-5px);
}

/* Blue Light Pulse Animation */
@keyframes blue-glow-pulse {
    0%, 100% {
        box-shadow: 
            0 0 20px rgba(59, 130, 246, 0.2),
            0 0 40px rgba(59, 130, 246, 0.1);
    }
    50% {
        box-shadow: 
            0 0 30px rgba(59, 130, 246, 0.4),
            0 0 60px rgba(59, 130, 246, 0.2),
            0 0 80px rgba(59, 130, 246, 0.1);
    }
}

.service-card,
.feature-card,
.pricing-card {
    animation: blue-glow-pulse 4s ease-in-out infinite;
}

.service-card:hover,
.feature-card:hover,
.pricing-card:hover {
    animation: none;
}

/* Inner Blue Glow Effect */
.service-card::before,
.feature-card::before,
.pricing-card::before,
.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.service-card:hover::before,
.feature-card:hover::before,
.pricing-card:hover::before,
.about-card:hover::before {
    opacity: 1;
}

/* Blue Border Glow */
.stat-box {
    background: rgba(17, 24, 39, 0.15) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
    transition: all 0.3s ease;
}

.stat-box:hover {
    border-color: rgba(59, 130, 246, 0.6) !important;
    box-shadow: 
        0 0 25px rgba(59, 130, 246, 0.4),
        0 0 50px rgba(59, 130, 246, 0.2);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.service-icon i {
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    line-height: 1.7;
}

.service-tag {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
    transition: all var(--transition-fast);
}

.service-card:hover .service-tag {
    background: var(--primary);
    color: white;
}

/* Service Card Extra Padding */
.service-card {
    padding: 2.5rem;
}

/* ========================================
   Why Choose Me Section
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: rgba(17, 24, 39, 0.35);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-normal);
}

[data-theme="light"] .feature-card {
    background: rgba(255, 255, 255, 0.4);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    background: rgba(59, 130, 246, 0.15);
    border: 2px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
    animation: icon-pulse 0.5s ease;
}

@keyframes icon-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.feature-icon i {
    font-size: 1.75rem;
    color: var(--primary);
    transition: color var(--transition-fast);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   Skills Section
   ======================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    background: rgba(17, 24, 39, 0.35);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
}

[data-theme="light"] .skill-item {
    background: rgba(255, 255, 255, 0.4);
}

.skill-item:hover {
    border-color: var(--primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

.skill-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 120px;
}

.skill-info i {
    font-size: 1.5rem;
    color: var(--primary);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.skill-info span {
    font-weight: 600;
}

.progress-bar {
    flex: 1;
    height: 16px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

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

.skill-percent {
    font-weight: 700;
    color: var(--primary);
    min-width: 45px;
    text-align: right;
}

/* ========================================
   Toolkit Section
   ======================================== */
.toolkit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.tool-item {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.tool-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

.tool-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    transition: all var(--transition-normal);
}

.tool-item:hover i {
    transform: scale(1.1);
    color: var(--accent-light);
}

.tool-item span {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.tool-item .tool-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.portfolio-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.portfolio-date {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--primary);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.portfolio-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.portfolio-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

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

/* Portfolio Icon Styles */
.portfolio-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.portfolio-icon i {
    font-size: 1.25rem;
    color: white;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-grid {
    display: grid;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.contact-info {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-methods {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-method:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-glow);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary);
}

.contact-method h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-method a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-normal);
}

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

.social-link i {
    font-size: 1.25rem;
}

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

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

.quick-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.info-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.info-box i {
    font-size: 1.5rem;
    color: var(--primary);
}

.info-box h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-box span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    background: rgba(17, 24, 39, 0.35);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

[data-theme="light"] .pricing-card {
    background: rgba(255, 255, 255, 0.4);
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-price {
    margin-bottom: 1.5rem;
}

.pricing-price .price {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--primary);
    font-size: 0.9rem;
}

.btn-pricing {
    display: inline-block;
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-normal);
}

.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* ========================================
   Achievements Section
   ======================================== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.achievement-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.achievement-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.achievement-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.achievement-card:hover .achievement-icon {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow);
}

.achievement-icon i {
    font-size: 1.5rem;
    color: var(--primary);
    transition: color var(--transition-fast);
}

.achievement-card:hover .achievement-icon i {
    color: white;
}

.achievement-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.achievement-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    border: 2px solid var(--primary);
    margin-bottom: 1rem;
}

.footer-logo h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.footer-logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links h4,
.footer-services h4,
.footer-social h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.footer-links a,
.footer-services a {
    display: block;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.social-icons a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.social-icons a i {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
        --info-bar-height: 0px;
    }
    
    .info-bar {
        display: none;
    }
    
    .navbar {
        top: 0;
    }
    
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .typing-text {
        font-size: 2.5rem;
    }
    
    .hero-logo img {
        width: 140px;
        height: 140px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-box {
        min-width: 100px;
        padding: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .features-grid,
    .portfolio-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .typing-text {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .toolkit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Staggered animations for sections */
section:nth-child(odd) .about-card,
section:nth-child(odd) .service-card,
section:nth-child(odd) .feature-card {
    animation: fadeInUp 0.8s ease-out both;
}

section:nth-child(even) .about-card,
section:nth-child(even) .service-card,
section:nth-child(even) .feature-card {
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

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