:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f4f6f5;
    --color-text: #1a1a1a;
    --color-muted: #5b6660;
    --color-primary: var(--color-brand-navy);
    --color-primary-dark: var(--color-brand-teal-dark);
    --color-border: #e1e5e3;
    --color-success-bg: #e6f4ea;
    --color-success-text: #1f6f50;
    --color-error-bg: #fdecea;
    --color-error-text: #b3261e;
    --color-brand-navy: #38495d;
    --color-brand-teal: #48acb3;
    --color-brand-teal-dark: #296e73;
    --max-width: 960px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container--narrow {
    max-width: 720px;
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-bg);
    z-index: 10;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
    text-decoration: none;
}

.brand__logo {
    display: block;
    height: 32px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.nav a:hover {
    color: var(--color-text);
}

.lang-switch {
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
}

.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--color-brand-navy) 0%, var(--color-brand-teal-dark) 100%);
    color: #fff;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin: 0 0 0.75rem;
}

.hero p {
    font-size: 1.15rem;
    margin: 0;
    opacity: 0.92;
}

.section {
    padding: 3.5rem 0;
}

.section--alt {
    background: var(--color-bg-alt);
}

.section h2 {
    font-size: 1.75rem;
    margin-top: 0;
}

.button {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.65rem 1.5rem;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
}

.button:hover {
    background: var(--color-primary-dark);
}

.contact-form {
    max-width: 480px;
    margin-top: 1.5rem;
    position: relative;
}

.form-field {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-field label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-field input,
.form-field textarea {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font: inherit;
}

.form-field--honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-top: 1rem;
}

.alert--success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.alert--error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.site-footer p {
    margin: 0.25rem 0;
}

@media (max-width: 600px) {
    .site-header__inner {
        height: auto;
        flex-direction: column;
        gap: 0.75rem;
        padding: 0.75rem 0;
    }

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