/* =====================================================
   DEOSAI DIGITAL - MODERN GAMING MINIMAL DESIGN
   ===================================================== */

/* =====================================================
   CSS VARIABLES & ROOT STYLES
   ===================================================== */
:root {
    /* Color Palette - Peaceful Modern Theme */
    --primary-blue: #0066ff;
    --primary-purple: #7c3aed;
    --primary-pink: #ec4899;
    --primary-teal: #14b8a6;
    --accent-coral: #ff6b6b;
    --accent-orange: #ff9a3d;
    --accent-green: #10b981;
    --accent-yellow: #fbbf24;
    
    /* Background Colors - White & Light */
    --bg-light: #ffffff;
    --bg-lighter: #fafbfc;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    
    /* Text Colors - Dark on Light */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    
    /* Border & Effects */
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-lighter);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* =====================================================
   ANIMATED BACKGROUND
   ===================================================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #f0f9ff 0%, #faf5ff 50%, #fdf4ff 100%);
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 102, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--primary-blue);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: 2rem;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.5rem;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
    border-radius: 2px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

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

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.35);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: #ffffff;
}

.btn i {
    transition: transform var(--transition-normal);
}

.btn:hover i {
    transform: translateX(5px);
}

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.625rem;
    letter-spacing: 0.3em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
    transition: width var(--transition-normal);
    border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-xl);
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--primary-blue);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-blue);
    border-radius: 2rem;
    background: rgba(0, 102, 255, 0.05);
}

.label-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-blue);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px var(--primary-blue);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 600px;
}

.visual-card {
    position: absolute;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-lg);
}

.visual-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.visual-card:hover::before {
    opacity: 1;
}

.card-1 {
    width: 300px;
    height: 400px;
    top: 50px;
    left: 50px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(124, 58, 237, 0.08));
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    width: 250px;
    height: 300px;
    top: 150px;
    right: 100px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(236, 72, 153, 0.08));
    animation: float 8s ease-in-out infinite;
}

.card-3 {
    width: 200px;
    height: 250px;
    bottom: 50px;
    left: 150px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(16, 185, 129, 0.08));
    animation: float 7s ease-in-out infinite;
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, var(--primary-blue), transparent);
    animation: scrollDown 2s infinite;
    border-radius: 2px;
}

@keyframes scrollDown {
    0% { height: 0; }
    50% { height: 60px; }
    100% { height: 0; }
}

/* =====================================================
   SERVICES SECTION
   ===================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    position: relative;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
    border-radius: 2px 2px 0 0;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: var(--radius-md);
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.service-features i {
    color: var(--primary-blue);
    font-size: 0.875rem;
}

.service-hover-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.08), transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform var(--transition-slow);
    pointer-events: none;
}

.service-card:hover .service-hover-effect {
    transform: translate(-50%, -50%) scale(1);
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-content {
    padding-right: var(--spacing-md);
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: var(--spacing-md) 0;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.feature-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-blue);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.feature-content h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

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

.about-cta {
    margin-top: var(--spacing-md);
}

/* About Visual */
.about-visual {
    position: relative;
    height: 600px;
}

.visual-box {
    position: absolute;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.visual-box:hover {
    transform: scale(1.05);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.2);
}

.box-1 {
    top: 50px;
    left: 50px;
    width: 250px;
}

.box-2 {
    top: 200px;
    right: 50px;
    width: 220px;
}

.box-3 {
    bottom: 50px;
    left: 100px;
    width: 240px;
}

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

.box-content i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    display: block;
}

.box-content h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

/* =====================================================
   PORTFOLIO SECTION
   ===================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.15);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-placeholder {
    transform: scale(1.1);
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--primary-blue);
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 2rem;
    margin-bottom: 1rem;
}

.portfolio-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.portfolio-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.portfolio-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* =====================================================
   TECHNOLOGY SECTION
   ===================================================== */
.tech-categories {
    display: grid;
    gap: 3rem;
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.tech-category:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.1);
}

.tech-category-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tech-category-title i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    color: var(--primary-blue);
}

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

.tech-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-lighter);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.tech-item:hover {
    background: rgba(0, 102, 255, 0.05);
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.tech-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.info-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-blue);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.info-content h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.info-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-lighter);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 1rem;
    background: var(--bg-lighter);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

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

.btn-submit {
    grid-column: 1 / -1;
    justify-content: center;
    margin-top: 1rem;
}

.form-message {
    grid-column: 1 / -1;
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    display: block;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =====================================================
   BACK TO TOP BUTTON
   ===================================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 102, 255, 0.4);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 1200px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        display: none;
    }
}

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* =====================================================
   SCROLLBAR STYLING
   ===================================================== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-blue), var(--primary-purple));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-purple), var(--primary-blue));
}

/* =====================================================
   SELECTION STYLING
   ===================================================== */
::selection {
    background: rgba(0, 102, 255, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(0, 102, 255, 0.2);
    color: var(--text-primary);
}