:root {
    --bg-main: #ffffff;
    --bg-alt: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --primary: #0066ff;
    --accent: #00e5ff;
    --dark-blue: #090d16;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 0;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.nav-container {
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-blue);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary);
}

nav .btn-nav {
    background: var(--dark-blue);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
}

nav .btn-nav:hover {
    background: var(--primary);
}

.hero {
    position: relative;
    height: 80vh;
    background: linear-gradient(135deg, var(--dark-blue) 0%, #002255 100%);
    display: flex;
    align-items: center;
    color: white;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(0, 229, 255, 0.15) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    max-width: 800px;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    color: #94a3b8;
    margin-bottom: 2.5rem;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 0.8rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--dark-blue);
}

.section-header {
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

.accent-line {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin-top: 0.5rem;
}

.about {
    background: var(--bg-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-block h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.vision-block {
    background: white;
    padding: 2rem;
    border-left: 4px solid var(--accent);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.vision-text {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--dark-blue);
}

.status-indicator {
    display: flex;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    margin-right: 8px;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.news-card {
    background: white;
    border: 1px solid #e2e8f0;
    padding: 2rem;
    border-radius: 6px;
}

.manufacturer-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.news-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.news-link {
    font-size: 0.9rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.contact {
    background: var(--bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.info-item {
    margin-top: 2rem;
}

.info-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.info-item a {
    color: var(--primary);
    text-decoration: none;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.btn-submit {
    width: 100%;
    background: var(--dark-blue);
    color: white;
    border: none;
    padding: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: var(--primary);
}

footer {
    background: var(--dark-blue);
    color: #94a3b8;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
}

@media(max-width: 768px) {
    .about-grid, .news-grid, .contact-grid, .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    nav { display: none; }
    .hero h1 { font-size: 2.2rem; }
}
