:root {
    --bg-dark: #07090f;
    --bg-panel: rgba(20, 25, 35, 0.7);
    --accent-blue: #0088ff;
    --accent-blue-glow: rgba(0, 136, 255, 0.4);
    --accent-red: #d32f2f;
    --text-main: #ffffff;
    --text-muted: #a0a5b0;
    --silver-gradient: linear-gradient(135deg, #e0e0e0 0%, #8a909e 100%);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 1px;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #fff;
    text-shadow: 0 0 8px var(--accent-blue);
}

/* Glassmorphism Panel Utility */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 9, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 136, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
    filter: drop-shadow(0 0 5px rgba(255,255,255,0.2));
}

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

.nav-links a {
    color: var(--text-main);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
    box-shadow: 0 0 10px var(--accent-blue);
}

.contact-btn {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s;
}

.contact-btn:hover {
    background: var(--accent-blue);
    box-shadow: 0 0 15px var(--accent-blue-glow);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-image: url('../images/hero_bg.png');
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(7,9,15,0.7) 0%, rgba(7,9,15,0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

.hero-subtitle {
    color: var(--accent-blue);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    display: inline-block;
    border-bottom: 1px solid var(--accent-blue);
    padding-bottom: 5px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: var(--silver-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.hero h1 span {
    color: var(--accent-blue);
    -webkit-text-fill-color: var(--accent-blue);
    text-shadow: 0 0 20px var(--accent-blue-glow);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-primary {
    background: var(--accent-blue);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 15px var(--accent-blue-glow);
    transition: 0.3s;
}

.btn-primary:hover {
    background: #0066cc;
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--accent-blue-glow);
}

/* Services Section */
.services {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: #fff;
}

.section-header p {
    color: var(--accent-blue);
    font-weight: 600;
    letter-spacing: 2px;
}

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

.service-card {
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-top: 3px solid var(--accent-blue);
    box-shadow: 0 15px 30px rgba(0, 136, 255, 0.1);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 10px var(--accent-blue-glow));
}

.service-card h3 {
    margin-bottom: 1rem;
    color: #fff;
    font-size: 1.2rem;
    text-transform: uppercase;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Info Section (Contact & Reg) */
.info-section {
    padding: 6rem 2rem;
    background: linear-gradient(0deg, #05060a 0%, #0a0c14 100%);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.info-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.info-block h3 {
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(0, 136, 255, 0.3);
    padding-bottom: 0.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-item i {
    color: var(--accent-blue);
    font-size: 1.5rem;
    margin-right: 1rem;
    margin-top: 0.2rem;
}

.contact-text strong {
    display: block;
    color: #fff;
    margin-bottom: 0.2rem;
}

.contact-text p {
    color: var(--text-muted);
}

.reg-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    border-radius: 8px;
    border-left: 4px solid var(--accent-blue);
}

.reg-info p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-family: monospace;
    font-size: 1.1rem;
}

.reg-info p strong {
    color: #fff;
    margin-right: 1rem;
}

/* Footer */
footer {
    background: #000;
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo img {
    height: 40px;
    opacity: 0.5;
    transition: 0.3s;
}

.footer-logo img:hover {
    opacity: 1;
}

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

/* WhatsApp Floating Button */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
    text-decoration: none;
    animation: float 3s ease-in-out infinite;
}

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

.whatsapp-btn:hover {
    animation: none;
    transform: scale(1.15) translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), 0 0 40px rgba(37, 211, 102, 0.8);
    color: #fff;
}

.whatsapp-btn:active {
    transform: scale(0.95);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-content {
        flex-direction: column;
    }
}