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

:root {
    --primary: #2563eb;
    --secondary: #7c3aed;
    --dark: #1f2937;
    --muted: #6b7280;
    --background: #f3f6fb;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: Arial, sans-serif;
    background: var(--background);
    color: var(--dark);
    line-height: 1.7;
}

header {
    background: white;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 12px #0000000d;
}

.header-inner {
    max-width: 1150px;
    margin: auto;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.logo {
    color: var(--primary);
    font-size: 1.35rem;
    font-weight: bold;
    text-decoration: none;
}

nav, .languages {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

nav a, .languages a {
    color: var(--dark);
    text-decoration: none;
    font-size: .94rem;
    font-weight: 600;
}

nav a:hover, .languages a:hover {
    color: var(--primary);
}

.languages a[aria-current="page"] {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}

main {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 22px;
}

.hero {
    padding: 75px 25px;
    text-align: center;
    color: white;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero p {
    max-width: 680px;
    margin: 0 auto 25px;
    font-size: 1.1rem;
}

.button {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: bold;
    text-decoration: none;
}

.section-title {
    text-align: center;
    margin: 48px 0 24px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
}

.card {
    background: white;
    padding: 26px;
    border-radius: 14px;
    box-shadow: 0 5px 20px #00000008;
    overflow-wrap: anywhere;
}

.card h2, .card h3 {
    margin-bottom: 10px;
}

.card p {
    color: #4b5563;
}

.icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.contact-link {
    color: var(--primary);
    text-decoration: none;
}

.contact-link:hover {
    text-decoration: underline;
}

footer {
    margin-top: 55px;
    padding: 30px 20px;
    background: #111827;
    color: white;
    text-align: center;
}

footer a {
    color: white;
}

@media (max-width: 760px) {
    .header-inner {
        justify-content: center;
    }

    nav, .languages {
        justify-content: center;
    }

    main {
        margin-top: 24px;
        padding: 0 15px;
    }

    .hero {
        padding: 48px 20px;
    }
}