:root {
    --color-primary: #0F766E;
    --color-primary-dark: #115E59;
    --color-primary-light: #CCFBF1;

    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-border: #E2E8F0;

    --color-text: #0F172A;
    --color-muted: #64748B;
    --color-soft: #F1F5F9;

    --color-error: #B91C1C;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

.page {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 20px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 34px;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    flex: 0 0 auto;
    max-width: 240px;
}

.site-header .logo-link img,
.site-header .logo {
    display: block;
    height: 52px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
}

.language-switcher {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;

    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.4;
}

.language-switcher a {
    color: var(--color-muted);
    text-decoration: none;

    padding: 4px 8px;
    border-radius: 999px;

    transition:
        background-color 160ms ease,
        color 160ms ease;
}

.language-switcher a:hover {
    color: var(--color-primary-dark);
    background: var(--color-soft);
}

.language-switcher a.active {
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
    font-weight: 700;
}

.language-switcher span {
    color: var(--color-border);
}

.hero {
    margin-bottom: 32px;
}

.eyebrow {
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 8px;
}

h1 {
    font-size: 40px;
    line-height: 1.1;
    margin: 0 0 16px;
}

h2 {
    font-size: 24px;
    margin: 0 0 16px;
}

p {
    margin: 0 0 12px;
}

.muted {
    color: var(--color-muted);
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    padding: 24px;
    margin-bottom: 24px;
}

.form-grid {
    display: grid;
    gap: 16px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 16px;
    background: #FFFFFF;
    color: var(--color-text);
}

input:focus,
select:focus {
    outline: 3px solid rgba(15, 118, 110, 0.16);
    border-color: var(--color-primary);
}

button {
    background: var(--color-primary);
    color: #FFFFFF;
    border: 0;
    border-radius: 10px;
    padding: 12px 18px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

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

.mpx-main-content-field {
    display: grid;
    gap: 0;
}

.mpx-vcard-fields {
    display: grid;
    gap: 16px;

    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    background: var(--color-soft);
}

.field-group-title {
    margin: 0;
    color: var(--color-primary-dark);
    font-weight: 750;
}

.qr-result {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.qr-preview {
    display: inline-flex;
    padding: 18px;
    border-radius: 16px;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    margin-bottom: 18px;
}

.qr-preview img {
    width: min(280px, 100%);
    height: auto;
    display: block;
}

.download-form {
    margin-bottom: 16px;
}

.result-note {
    max-width: 520px;
    margin: 0 auto 12px;
}

.content-preview {
    max-width: 640px;
    margin: 0 auto;
    font-size: 14px;
    overflow-wrap: anywhere;
}

.app-footer {
    margin-top: 56px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.5;
}

.app-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.app-footer-brand {
    margin: 0;
}

.app-footer-links {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}

.app-footer-links a {
    color: #0066cc;
    text-decoration: none;
}

.app-footer-links a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .page {
        padding: 32px 14px;
    }

    .site-header {
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 28px;
    }

    .logo-link {
        max-width: 210px;
    }

    .site-header .logo-link img,
    .site-header .logo {
        height: 42px;
        max-width: 210px;
    }

    .language-switcher {
        justify-content: flex-start;
        flex-wrap: wrap;
        font-size: 13px;
    }

    .language-switcher a {
        padding: 4px 7px;
    }

    h1 {
        font-size: 32px;
    }

    .card {
        padding: 20px;
    }

    .app-footer {
        margin-top: 42px;
        padding-top: 22px;
    }

    .app-footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .app-footer-links {
        gap: 14px;
    }
}

@media (max-width: 420px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-header .language-switcher {
        justify-content: flex-start;
    }
}

.logo-options {
    display: grid;
    gap: 14px;

    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    background: var(--color-soft);
}

.radio-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.radio-card {
    display: flex;
    align-items: center;
    gap: 10px;

    margin: 0;
    padding: 12px 14px;

    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: #FFFFFF;

    font-weight: 650;
    cursor: pointer;
}

.radio-card input {
    margin: 0;
}

.logo-size-options {
    display: grid;
    gap: 8px;
}

.small-note {
    font-size: 14px;
    margin: 0;
}

@media (max-width: 640px) {
    .radio-row {
        grid-template-columns: 1fr;
    }
}

.radio-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.custom-logo-options {
    display: grid;
    gap: 8px;
}

input[type="file"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: #FFFFFF;
    font-size: 15px;
}

.download-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 16px;
    padding: 12px 18px;

    background: var(--color-primary);
    color: #FFFFFF;
    border-radius: 10px;

    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
}

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

.error {
    color: var(--color-error);
    font-weight: 700;
}