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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Header & Navigation */
header {
    background: #1a1a2e;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Electrolize', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #00d4ff;
    letter-spacing: 3px;
}

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

nav a {
    color: #fff;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

nav a:hover,
nav a.active {
    color: #00d4ff;
}

nav a.lang-switch {
    border: 1px solid #00d4ff;
    border-radius: 4px;
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
}

nav a.lang-switch:hover {
    background: #00d4ff;
    color: #1a1a2e;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 6rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #a0a0a0;
}

.btn {
    display: inline-block;
    background: #00d4ff;
    color: #1a1a2e;
    padding: 1rem 2rem;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s, transform 0.3s;
}

.btn:hover {
    background: #00b8e6;
    transform: translateY(-2px);
}

/* Services Section */
.services-preview,
.partners {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a2e;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.service-card h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Partners Section */
.partners {
    background: #f8f9fa;
    max-width: 100%;
    padding: 4rem 2rem;
}

.partners-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.partner {
    background: #fff;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    font-weight: bold;
    color: #1a1a2e;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Footer */
footer {
    background: #1a1a2e;
    color: #fff;
    padding: 2rem;
}

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

.footer-info a {
    color: #00d4ff;
}

.footer-copy {
    color: #a0a0a0;
}

/* Services Page */
.page-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 4rem 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
}

.services-detail {
    padding: 4rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.service-item {
    margin-bottom: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #00d4ff;
}

.service-item h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-item ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.service-item li {
    margin-bottom: 0.5rem;
}

/* Contact Page */
.contact-section {
    padding: 4rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.contact-card h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
}

.contact-card a {
    color: #00d4ff;
    font-weight: bold;
}

.company-details {
    background: #1a1a2e;
    color: #fff;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.company-details h3 {
    margin-bottom: 1rem;
    color: #00d4ff;
}

/* Responsive */
@media (max-width: 768px) {
    /* Header & Navigation */
    header {
        padding: 0.75rem 1rem;
    }

    .logo {
        font-size: 1.4rem;
        letter-spacing: 2px;
    }

    nav ul {
        gap: 0.5rem;
    }

    nav a {
        padding: 0.5rem 0.6rem;
        font-size: 0.9rem;
    }

    nav a.lang-switch {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }

    /* Hero Section */
    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    /* Sections */
    .services-preview,
    .partners {
        padding: 2.5rem 1rem;
    }

    h2 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .services-grid {
        gap: 1rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-card h3 {
        font-size: 1.1rem;
    }

    /* Partners */
    .partners-grid {
        gap: 1rem;
    }

    .partner {
        padding: 1rem 1.25rem;
        font-size: 0.9rem;
    }

    /* Footer */
    footer {
        padding: 1.5rem 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-info p {
        font-size: 0.9rem;
    }

    /* Page Header */
    .page-header {
        padding: 2.5rem 1rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    /* Services Detail Page */
    .services-detail {
        padding: 2rem 1rem;
    }

    .service-item {
        padding: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .service-item h3 {
        font-size: 1.2rem;
    }

    .service-item ul {
        margin-left: 1.25rem;
    }

    /* Contact Page */
    .contact-section {
        padding: 2rem 1rem;
    }

    .contact-info {
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .company-details {
        padding: 1.5rem;
    }
}

/* Small phones */
@media (max-width: 480px) {
    nav {
        flex-direction: column;
        gap: 0.75rem;
    }

    nav ul {
        width: 100%;
        justify-content: center;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .partners-grid {
        flex-direction: column;
        align-items: center;
    }

    .partner {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
}