/*
 * Общая тема страниц сайта.
 * Здесь лежат повторяемые стили: контейнеры, заголовки, кнопки, карточки изображений, базовые формы.
 * Уникальная геометрия конкретных страниц остается в index.css / about.css / error.css / login.css.
 */

.site-section {
    width: 100%;
    padding: 90px 24px;
}

.site-section--light {
    background: var(--site-light-1);
}

.site-section--muted {
    background: var(--site-light-2);
}

.site-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.site-section-heading {
    text-align: center;
}

.site-section-title,
.index-section-title,
.about-year__label,
.error-page__label {
    margin: 0 0 14px;
    color: var(--site-accent);
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.05em;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.28);
}

.site-section-subtitle,
.index-section-subtitle {
    margin: 0 0 28px;
    color: var(--site-dark-1);
    font-family: 'Inter', sans-serif;
    font-size: 40px;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: -0.05em;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.28);
}

.site-page-title,
.about-year__title,
.error-page__title {
    margin: 0;
    color: var(--site-dark-1);
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(34px, 4.2vw, 58px);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.05em;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
}

.site-page-subtitle,
.about-year__subtitle {
    margin: 22px 0 0;
    color: var(--site-dark-1);
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(22px, 2.4vw, 32px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.05em;
}

.site-text {
    color: var(--site-dark-2);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.75;
}

.site-button,
.index-about__button,
.error-page__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 14px 30px;
    border: 0;
    border-radius: 999px;
    background: var(--site-accent);
    color: var(--site-light-1);
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.02em;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(255, 51, 102, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.site-button:hover,
.index-about__button:hover,
.error-page__button:hover {
    color: var(--site-light-1);
    background: var(--site-accent);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 51, 102, 0.38);
}

.site-button:focus,
.index-about__button:focus,
.error-page__button:focus {
    color: var(--site-light-1);
    outline: 3px solid rgba(255, 51, 102, 0.25);
    outline-offset: 3px;
}

.site-image-card,
.index-about__carousel-wrap,
.about-gallery,
.about-mobile-gallery__slider,
.error-page__image-wrap {
    overflow: hidden;
    background: var(--site-light-1);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.32);
}

.site-simple-link,
.error-page__link {
    color: var(--site-dark-2);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-simple-link:hover,
.error-page__link:hover {
    color: var(--site-accent);
}

.site-form-card {
    background: var(--site-light-1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.site-form-control,
.login-form .form-control {
    width: 100%;
    height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--site-light-2);
    border-radius: 10px;
    font-size: 15px;
}

.site-form-control:focus,
.login-form .form-control:focus {
    border-color: var(--site-accent);
    box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.15);
}

@media (max-width: 768px) {
    .site-section {
        padding: 64px 20px;
    }

    .site-section-title,
    .index-section-title {
        font-size: 34px;
    }

    .site-section-subtitle,
    .index-section-subtitle {
        font-size: 21px;
    }
}

@media (max-width: 480px) {
    .site-section-title,
    .index-section-title {
        font-size: 30px;
    }
}