body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f5f7fa;
    color: #1a1a1a;
}

/* Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header */
.header {
    background: #ffffff;
    border-bottom: 1px solid #e3e3e3;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.logo img {
    height: 48px;
}

.nav a {
    margin-left: 24px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav a.active,
.nav a:hover {
    color: #0074d9;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #e8f1ff, #ffffff);
    padding: 80px 0;
}

.hero-inner {
    text-align: left;
}

.hero h1 {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.hero p {
    max-width: 520px;
    color: #444;
    margin-bottom: 24px;
}

.btn-primary {
    display: inline-block;
    background: #0074d9;
    color: #fff;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #005bb0;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section h1,
.section h2 {
    margin-bottom: 24px;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: #ffffff;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid #e3e3e3;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

/* Contact form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    margin-top: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-family: inherit;
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: #ffffff;
    border-top: 1px solid #e3e3e3;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsivita */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .nav a {
        margin-left: 0;
        margin-right: 16px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero h1 {
        font-size: 2rem;
    }
}