:root {
    --primary: #2468A2;
    --primary-hover: #1b5182;
    --text: #05223a;
    --text-muted: #4e6b84;
    --bg-page: #e8f1fb;
    /* Фон всей страницы */
    --bg-card: #f0f7ff;
    /* Фон карточки */
    --border: #d6e4f3;

    --container: 560px;
    --radius: 32px;
    --shadow: 0 15px 35px rgba(36, 104, 162, 0.1);

    --font-main: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-page);
    color: var(--text);
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    display: flex;
    justify-content: center;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: var(--container);
    width: 100%;
    margin: auto;
    padding: 32px 24px;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.promo-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

h1 {
    font-size: clamp(1.4rem, 5vw, 2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

p {
    font-size: 1.05rem;
    margin-bottom: 16px;
    color: var(--text);
}

p .bold {
    font-weight: 700;
}

.cta-wrap {
    margin: 32px 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--primary);
    color: #fff;
    text-decoration: none;
    padding: 16px 48px;
    border-radius: 24px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, background-color 0.2s;
    width: 100%;
}

.btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    border-radius: 20px;
    overflow: hidden;
    margin-top: 32px;
}

.gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 2 / 3;
    display: block;
}

footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.badge-antigravity {
    background: #05223a;
    color: #fff;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 700;
}

/* Responsiveness / Rubber */
@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    .container {
        padding: 24px 16px;
        border-radius: 24px;
    }

    .btn {
        padding: 14px 24px;
    }
}