:root {
    --bg-color: #0a0a0a;
    --surface-color: rgba(25, 25, 25, 0.7);
    --neon-green: #39ff14;
    --neon-green-dim: rgba(57, 255, 20, 0.2);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6, .logo {
    font-family: var(--font-heading);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.neon-text {
    color: var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green), 0 0 10px var(--neon-green), 0 0 20px var(--neon-green);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--neon-green);
    color: #000;
    box-shadow: 0 0 15px var(--neon-green-dim);
}

.btn-primary:hover {
    background-color: #32e011;
    box-shadow: 0 0 25px var(--neon-green);
    transform: translateY(-2px);
}

.btn-neon {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    box-shadow: inset 0 0 10px var(--neon-green-dim), 0 0 10px var(--neon-green-dim);
}

.btn-neon:hover {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 20px var(--neon-green);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Glassmorphism */
.glass-panel {
    background: var(--surface-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(57, 255, 20, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--neon-green);
    transition: var(--transition);
    box-shadow: 0 0 5px var(--neon-green);
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-bg-glow {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(57,255,20,0.15) 0%, rgba(10,10,10,0) 70%);
    z-index: 1;
    border-radius: 50%;
    filter: blur(40px);
    animation: pulseGlow 4s infinite alternate;
}

@keyframes pulseGlow {
    0% { transform: translateY(-50%) scale(1); opacity: 0.5; }
    100% { transform: translateY(-50%) scale(1.2); opacity: 1; }
}

/* Services Section */
.services-section {
    padding: 100px 0;
    background: linear-gradient(to bottom, var(--bg-color), #0f0f0f);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--surface-color);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(57,255,20,0.1) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(57, 255, 20, 0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 15px rgba(57,255,20,0.1);
}

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

.icon-wrapper {
    width: 80px;
    height: 80px;
    background: rgba(10, 10, 10, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 2.5rem;
    color: var(--neon-green);
    border: 2px solid rgba(57,255,20,0.2);
    box-shadow: 0 0 15px var(--neon-green-dim);
    transition: var(--transition);
}

.service-card:hover .icon-wrapper {
    border-color: var(--neon-green);
    box-shadow: 0 0 25px var(--neon-green);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

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

/* Advantages Section */
.advantages-section {
    padding: 100px 0;
    position: relative;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
}

.neon-icon {
    font-size: 3rem;
    color: var(--neon-green);
    margin-bottom: 20px;
    text-shadow: 0 0 10px var(--neon-green);
}

.advantage-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

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

/* Contacts Section */
.contacts-section {
    padding: 100px 0;
    background: #0f0f0f;
    border-top: 1px solid rgba(57,255,20,0.1);
}

.contacts-wrapper {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-info, .contact-form-container {
    flex: 1;
    min-width: 300px;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 1rem;
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.info-item i {
    color: var(--neon-green);
    font-size: 1.5rem;
    margin-top: 3px;
}

.contact-form {
    background: var(--surface-color);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}

.contact-form h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(10,10,10,0.8);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green-dim);
}

/* Footer */
footer {
    background: #050505;
    padding: 50px 0 20px;
    border-top: 1px solid rgba(57,255,20,0.2);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.footer-logo p {
    color: var(--text-secondary);
    margin-top: 10px;
    font-size: 0.9rem;
}

.footer-socials {
    display: flex;
    gap: 15px;
}

.footer-socials a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--neon-green);
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 0 15px var(--neon-green);
}

.footer-copyright {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero-bg-glow {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10,10,10,0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        gap: 20px;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }

    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        border-bottom: 1px solid rgba(57,255,20,0.2);
    }
    
    header .btn-neon {
        display: none;
    }

    .hero {
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-bg-glow {
        top: 30%;
        right: 50%;
        transform: translate(50%, -50%);
        opacity: 0.3;
    }

    .contact-info .section-title {
        text-align: center;
    }
}