:root {
    --primary: #00ff88;
    --secondary: #ff0033;
    --accent: #0066ff;
    --bg-dark: #020202;
    --bg-darker: #000000;
    --text-light: #ffffff;
    --text-dark: #111111;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --glow-primary: 0 0 15px var(--primary), 0 0 30px rgba(0, 255, 136, 0.3);
    --glow-secondary: 0 0 15px var(--secondary), 0 0 30px rgba(255, 0, 51, 0.3);
    --glow-accent: 0 0 15px var(--accent), 0 0 30px rgba(0, 102, 255, 0.3);
    --border-radius: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --neon-green: #39FF14;
    --neon-red: #FF3131;
    --dark-bg: #121212;
    --light-text: #f5f5f5;
}

[data-theme="light"] {
    --primary: #007a44;
    --secondary: #cc0029;
    --accent: #0047b3;
    --bg-dark: #f0f0f0;
    --bg-darker: #e0e0e0;
    --text-light: #222222;
    --text-dark: #333333;
    --glow-primary: 0 0 10px rgba(0, 122, 68, 0.2);
    --glow-secondary: 0 0 10px rgba(204, 0, 41, 0.2);
    --glow-accent: 0 0 10px rgba(0, 71, 179, 0.2);
    --dark-bg: #f0f0f0;
    --light-text: #222222;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Exo 2', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: radial-gradient(circle at center, var(--bg-dark), var(--bg-darker));
    color: var(--text-light);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    transition: var(--transition);
    position: relative;
    cursor: grab;
}
body:active {
    cursor: grabbing;
}
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 51, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

/* Header */
header {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    width: 100%;
}

/* 3D Logo Styles */
.theme-toggle {
    position: fixed;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.theme-toggle:hover {
    transform: rotate(45deg);
    box-shadow: var(--glow-primary);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
    fill: var(--primary);
}

.logo-container {
    perspective: 2000px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin: 2rem 0;
}

.logo-wrapper {
    perspective: 1500px;
    transform-style: preserve-3d;
}

.logo-box-wrapper {
    position: relative;
    transform-style: preserve-3d;
    display: inline-block;
    transition: transform 0.2s ease-out;
    transform: rotateY(0deg) rotateX(0deg);
}

.logo-box-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    z-index: -1;
    background: linear-gradient(145deg, rgba(10, 10, 10, 0.8), rgba(26, 26, 26, 0.6));
    box-shadow: 
        0 0 30px rgba(0, 255, 136, 0.1),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    transform: translateZ(-20px);
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.logo-box {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 3px solid var(--primary);
    border-radius: var(--border-radius);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: 0.5rem;
    color: var(--primary);
    text-shadow: var(--glow-primary);
    position: relative;
    transform-style: preserve-3d;
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 
        0 0 20px rgba(0, 255, 136, 0.2),
        inset 0 0 20px rgba(0, 255, 136, 0.1);
    transition: var(--transition);
    font-family: 'Orbitron', monospace;
    display: flex;
    gap: 0.5rem;
}

.logo-box::after {
    content: "NV";
    position: absolute;
    left: 8px;
    top: 8px;
    color: var(--text-dark);
    transform: translateZ(-25px);
    filter: blur(3px);
    z-index: -1;
    opacity: 0.7;
}

.n {
    color: var(--primary);
    text-shadow: var(--glow-primary);
    transition: var(--transition);
}

.v {
    color: var(--secondary);
    text-shadow: var(--glow-secondary);
    transition: var(--transition);
}

.logo-text {
    margin-top: var(--spacing-md);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    text-shadow: var(--glow-primary);
    position: relative;
    transform-style: preserve-3d;
    font-family: 'Orbitron', monospace;
    letter-spacing: 0.3rem;
    transition: var(--transition);
}

.logo-text::after {
    content: "NEXAWEB";
    position: absolute;
    left: 6px;
    top: 6px;
    color: var(--text-dark);
    transform: translateZ(-25px);
    filter: blur(3px);
    z-index: -1;
    opacity: 0.7;
}

/* Navigation */
nav {
    display: flex;
    justify-content: center;
    padding: 1.5rem 0;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: color 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: width 0.3s;
}

nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 5rem 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradient 5s ease infinite;
    background-size: 200% 200%;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin: 0.5rem;
}

.btn:hover {
    background: var(--neon-green);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 0 15px var(--neon-green);
}

.btn-red {
    border-color: var(--neon-red);
    color: var(--neon-red);
}

.btn-red:hover {
    background: var(--neon-red);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--neon-red);
}

/* About Section */
.about-section {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 4rem 0;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.2);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Portfolio Section */
.portfolio {
    padding: 4rem 0;
}

.no-projects {
    text-align: center;
    color: var(--neon-green);
    font-style: italic;
    padding: 2rem;
    border: 1px dashed var(--neon-green);
    border-radius: 8px;
    margin-top: 2rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.portfolio-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(57, 255, 20, 0.1);
}

.portfolio-image {
    height: 200px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h3 {
    color: var(--neon-green);
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--neon-green);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: var(--light-text);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background: var(--neon-green);
    color: var(--dark-bg);
    border: none;
    padding: 1rem 2rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
}

.submit-btn:hover {
    background: var(--neon-red);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 49, 49, 0.3);
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--light-text);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--neon-green);
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Services Section */
.services-section {
    padding: 4rem 0;
}

.section-intro {
    max-width: 700px;
    margin: 0 auto 3rem;
    text-align: center;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.1s, box-shadow 0.1s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(57, 255, 20, 0.1);
    border-color: var(--neon-green);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--neon-green);
    margin-bottom: 1.5rem;
}

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

.service-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--neon-red);
}

.service-price {
    font-weight: 600;
    color: var(--neon-red);
    font-size: 1.1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.2);
}

/* Process Section */
.service-process {
    margin: 4rem 0;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.service-process h3 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.8rem;
    color: var(--neon-green);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.process-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--neon-red);
    color: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

.process-step h4 {
    margin-bottom: 0.5rem;
    color: var(--light-text);
}

/* CTA Section */
.service-cta {
    text-align: center;
    padding: 3rem;
    background: rgba(57, 255, 20, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(57, 255, 20, 0.2);
}

.service-cta h3 {
    margin-bottom: 1rem;
    color: var(--neon-green);
}

.service-cta p {
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Admin Styles */
.login-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.login-form {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(57, 255, 20, 0.2);
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-danger {
    background: rgba(255, 49, 49, 0.2);
    border: 1px solid var(--neon-red);
    color: var(--neon-red);
}

.admin-section {
    padding: 4rem 0;
}

.admin-actions {
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
}

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

.admin-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
}