/* ==========================================================================
   Флагман Отель — стили премиального одностраничного сайта отеля
   Морской бутик-стиль. Методология именования: BEM
   ========================================================================== */

/* ===== Переменные ===== */
:root {
    --color-primary: #1A365D;      /* глубокий морской синий — логотип, заголовки, навигация */
    --color-primary-dark: #12253F;
    --color-accent: #E53E3E;       /* коралловый — кнопки бронирования */
    --color-accent-dark: #C53030;
    --color-secondary: #38B2AC;    /* бирюзовый — иконки, бейджи */
    --color-secondary-dark: #2C9C96;
    --color-bg: #F7FAFC;
    --color-surface: #FFFFFF;
    --color-text: #2D3748;
    --color-text-secondary: #718096;
    --color-border: #E2E8F0;
    --gradient-accent: linear-gradient(135deg, #E53E3E 0%, #F56565 100%);
    --gradient-hero: linear-gradient(135deg, rgba(26,54,93,0.9) 0%, rgba(45,55,72,0.75) 55%, rgba(56,178,172,0.55) 150%);

    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 20px;

    --shadow-sm: 0 4px 16px rgba(26, 54, 93, 0.06);
    --shadow: 0 10px 40px rgba(26, 54, 93, 0.08);
    --shadow-lg: 0 20px 56px rgba(26, 54, 93, 0.14);

    --transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    --header-h: 76px;

    --z-header: 100;
    --z-modal: 1000;

    --header-bg: rgba(255, 255, 255, 0.85);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
a { color: inherit; }
ul { list-style: none; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    transition: background 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link:focus {
    position: fixed; top: 8px; left: 8px; width: auto; height: auto;
    background: var(--color-primary); color: #fff; padding: 10px 16px;
    border-radius: var(--radius-sm); z-index: 2000; clip: auto;
}

/* ===== Кнопки ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600; font-size: 0.95rem;
    border: none; cursor: pointer; text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.btn--primary { background: var(--gradient-accent); color: #fff; box-shadow: 0 4px 14px rgba(229, 62, 62, 0.35); }
.btn--primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 22px rgba(229, 62, 62, 0.45); }
.btn--ghost { background: transparent; color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn--light { background: #fff; color: var(--color-primary); }
.btn--light:hover { transform: translateY(-2px) scale(1.02); }
.btn--full { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

.btn__spinner {
    width: 16px; height: 16px; border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.4); border-top-color: #fff;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Шапка ===== */
.header {
    position: sticky; top: 0; z-index: var(--z-header);
    background: var(--header-bg);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease;
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem; color: var(--color-primary); text-decoration: none; }

.nav { display: flex; gap: 28px; }
.nav a { text-decoration: none; font-weight: 500; font-size: 0.95rem; position: relative; padding: 6px 0; }
.nav a::after {
    content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
    background: var(--color-primary); transition: var(--transition);
}
.nav a:hover::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 16px; }
.header__phone { font-weight: 700; text-decoration: none; font-size: 0.95rem; color: var(--color-primary); }

.hamburger {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; background: none; border: none; cursor: pointer;
}
.hamburger span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition); margin: 0 auto; }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    position: fixed; top: 0; right: -100%; width: min(320px, 85vw); height: 100vh;
    background: var(--color-surface); z-index: 999; padding: 100px 28px 28px;
    transition: right 0.35s cubic-bezier(0.25, 0.8, 0.25, 1); box-shadow: var(--shadow-lg);
}
.mobile-menu.is-open { right: 0; }
.mobile-menu__nav { display: flex; flex-direction: column; gap: 22px; }
.mobile-menu__nav a { text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.mobile-menu__phone { color: var(--color-primary) !important; }
.mobile-menu__overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 998;
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.mobile-menu__overlay.is-open { opacity: 1; visibility: visible; }

/* ===== Hero ===== */
.hero {
    position: relative; overflow: hidden;
    padding: clamp(60px, 10vw, 120px) 0 clamp(80px, 12vw, 140px);
    color: #fff;
}
.hero__bg {
    position: absolute; inset: 0; z-index: -2;
    background-image: url('/assets/images/penzaflagman.jpg');
    background-size: cover;
    background-position: center;
}
.hero__bg::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: var(--gradient-hero);
}
.hero__bg::after {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(229,62,62,0.25), transparent 55%),
                radial-gradient(circle at 10% 80%, rgba(56,178,172,0.35), transparent 55%);
}
.hero__content { position: relative; text-align: center; }
.hero__badge {
    display: inline-flex; align-items: center; gap: 6px; margin-bottom: 20px;
    background: rgba(56, 178, 172, 0.18); color: #7EE8E1; border: 1px solid rgba(56, 178, 172, 0.4);
    padding: 7px 18px; border-radius: 30px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.03em;
}
.hero__title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.18; margin-bottom: 18px; }
.hero__title span { color: #7EE8E1; }
.hero__subtitle { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.85); max-width: 620px; margin: 0 auto 40px; }

.search-bar {
    display: flex; flex-wrap: wrap; align-items: end; gap: 12px;
    background: var(--color-surface); color: var(--color-text);
    border-radius: var(--radius-lg); padding: 18px; box-shadow: var(--shadow-lg);
    max-width: 800px; margin: 0 auto;
}
.search-bar__field { flex: 1 1 160px; text-align: left; display: flex; flex-direction: column; gap: 4px; }
.search-bar__field label { font-size: 0.75rem; font-weight: 600; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.03em; }
.search-bar__field input, .search-bar__field select {
    border: none; font-size: 0.95rem; font-family: inherit; color: var(--color-text); background: transparent;
    padding: 6px 0; outline: none;
}
.search-bar__btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--gradient-accent); color: #fff; border: none;
    padding: 14px 26px; border-radius: var(--radius-sm); font-weight: 700; cursor: pointer;
    transition: var(--transition); flex-shrink: 0;
}
.search-bar__btn:hover { transform: scale(1.03); box-shadow: 0 8px 20px rgba(229,62,62,0.4); }

/* ===== Секции ===== */
.section { padding: clamp(60px, 8vw, 100px) 0; }
.section__head { text-align: center; margin-bottom: 44px; }
.section__eyebrow {
    display: inline-block; color: var(--color-secondary); font-weight: 700; font-size: 0.85rem;
    text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px;
}
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 10px; color: var(--color-primary); }
.section-subtitle { color: var(--color-text-secondary); font-size: 1.05rem; }

/* ===== О отеле ===== */
.about__grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px;
}
.about__item {
    text-align: center; padding: 8px;
    opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.about__item.is-visible { opacity: 1; transform: translateY(0); }
.about__icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 64px; height: 64px; border-radius: 50%; margin-bottom: 16px;
    background: rgba(56, 178, 172, 0.12); color: var(--color-secondary);
}
.about__item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--color-primary); }
.about__item p { color: var(--color-text-secondary); font-size: 0.92rem; }

/* ===== Каталог номеров ===== */
.rooms { background: var(--color-surface); }
.rooms__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}
.room-card {
    background: var(--color-bg); border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition);
    opacity: 0; transform: translateY(24px);
}
.room-card.is-visible { opacity: 1; transform: translateY(0); }
.room-card:hover { transform: translateY(-6px) scale(1.015); box-shadow: var(--shadow-lg); }

.room-card__gallery { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.room-card__slides { display: flex; height: 100%; scroll-snap-type: x mandatory; overflow-x: auto; scrollbar-width: none; }
.room-card__slides::-webkit-scrollbar { display: none; }
.room-card__slide { flex: 0 0 100%; width: 100%; height: 100%; object-fit: cover; scroll-snap-align: start; }
.room-card__badge {
    position: absolute; top: 12px; left: 12px; z-index: 2;
    background: var(--color-primary); color: #fff; padding: 5px 14px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.02em;
}

/* Общие элементы галерей (переиспользуются каталогом номеров) */
.card__dots { position: absolute; bottom: 10px; left: 0; right: 0; display: flex; justify-content: center; gap: 5px; z-index: 2; }
.card__dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.6); transition: var(--transition); }
.card__dot.is-active { background: #fff; width: 16px; border-radius: 4px; }
.card__arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 32px; height: 32px; border-radius: 50%; border: none;
    background: rgba(255,255,255,0.9); font-size: 1.3rem; line-height: 1; cursor: pointer;
    display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition);
    color: var(--color-text); z-index: 2;
}
.room-card__gallery:hover .card__arrow { opacity: 1; }
.card__arrow--prev { left: 10px; }
.card__arrow--next { right: 10px; }

.room-card__body { padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.room-card__title { font-size: 1.15rem; font-weight: 800; color: var(--color-primary); }
.room-card__type { color: var(--color-secondary); font-size: 0.85rem; font-weight: 600; margin-top: -6px; }
.room-card__facts { display: flex; gap: 18px; margin-top: 6px; }
.room-card__facts li { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--color-text-secondary); }
.room-card__beds { color: var(--color-text-secondary); font-size: 0.88rem; }

.room-card__amenities { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.room-card__amenities li { display: flex; align-items: center; gap: 5px; font-size: 0.76rem; color: var(--color-text-secondary); }
.room-card__amenities svg { color: var(--color-secondary); flex-shrink: 0; }

.room-card__footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--color-border); padding-top: 16px; margin-top: 8px; gap: 12px; flex-wrap: wrap; }
.room-card__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.room-card__price strong { font-size: 1.2rem; font-weight: 800; color: var(--color-text); }
.room-card__price small { color: var(--color-text-secondary); font-weight: 400; font-size: 0.8rem; }
.room-card__note { width: 100%; color: var(--color-text-secondary); font-size: 0.72rem; }

/* ===== Услуги и преимущества ===== */
.services__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.service-card {
    background: var(--color-surface); border-radius: var(--radius-lg); padding: 28px;
    box-shadow: var(--shadow-sm); transition: var(--transition);
    opacity: 0; transform: translateY(24px);
}
.service-card.is-visible { opacity: 1; transform: translateY(0); }
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.service-card__icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 14px; margin-bottom: 16px;
    background: rgba(229, 62, 62, 0.1); color: var(--color-accent);
}
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--color-primary); }
.service-card p { color: var(--color-text-secondary); font-size: 0.9rem; }

/* ===== Контакты и карта ===== */
.contacts__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.contacts__info { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.contacts__info.is-visible { opacity: 1; transform: translateY(0); }
.contacts__list { display: flex; flex-direction: column; gap: 16px; margin: 24px 0 28px; }
.contacts__list li { display: flex; align-items: center; gap: 12px; color: var(--color-text-secondary); }
.contacts__list svg { color: var(--color-secondary); flex-shrink: 0; }
.contacts__list a { text-decoration: none; color: var(--color-text); font-weight: 600; }
.contacts__list a:hover { color: var(--color-accent); }

.contacts__map { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.contacts__map.is-visible { opacity: 1; transform: translateY(0); }

/* ===== Карта (заглушка) ===== */
.map-stub {
    position: relative; height: 360px; border-radius: var(--radius-lg); overflow: hidden;
    background: linear-gradient(135deg, #E6FFFA, #EBF4FF); box-shadow: var(--shadow-sm);
}
.map-stub__grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(26,54,93,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(26,54,93,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}
.map-stub__pin {
    position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%);
    background: var(--color-primary); color: #fff; border: none; padding: 8px 16px;
    border-radius: 20px; font-weight: 700; font-size: 0.85rem; cursor: default;
    box-shadow: var(--shadow); transition: var(--transition); white-space: nowrap;
}
.map-stub__pin::after {
    content: ""; position: absolute; bottom: -6px; left: 50%; transform: translateX(-50%);
    border: 6px solid transparent; border-top-color: var(--color-primary);
}
.map-stub__hint { position: absolute; bottom: 14px; right: 18px; font-size: 0.8rem; color: var(--color-text-secondary); background: rgba(255,255,255,0.8); padding: 4px 10px; border-radius: 10px; }

/* ===== Подвал ===== */
.footer { background: var(--color-primary); color: rgba(255,255,255,0.85); padding: 60px 0 24px; }
.footer .logo { color: #fff; }
.footer__inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 { margin-bottom: 6px; font-size: 1rem; color: #fff; }
.footer__col a { text-decoration: none; color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.footer__col a:hover { color: var(--color-secondary); }
.footer__desc { color: rgba(255,255,255,0.65); font-size: 0.88rem; margin-top: 8px; }
.footer__bottom {
    display: flex; justify-content: center; flex-wrap: wrap; gap: 10px;
    color: rgba(255,255,255,0.6); font-size: 0.85rem; border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 20px;
}

/* ===== Модальное окно ===== */
.modal {
    position: fixed; inset: 0; z-index: var(--z-modal);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: var(--transition);
    padding: 20px;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__overlay { position: absolute; inset: 0; background: rgba(26,54,93,0.5); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.modal__content {
    position: relative; background: var(--color-surface); padding: 36px;
    border-radius: var(--radius-lg); width: 100%; max-width: 480px;
    max-height: 90vh; overflow-y: auto;
    transform: translateY(20px) scale(0.98); transition: var(--transition);
    box-shadow: var(--shadow-lg);
}
.modal.is-open .modal__content { transform: translateY(0) scale(1); }
.modal__close {
    position: absolute; top: 16px; right: 16px; background: none; border: none;
    font-size: 1.6rem; cursor: pointer; color: var(--color-text-secondary); line-height: 1;
}
.modal__close:hover { color: var(--color-accent); }
.modal h3 { font-size: 1.4rem; margin-bottom: 4px; color: var(--color-primary); }
.modal__object-name { color: var(--color-accent); font-weight: 600; margin-bottom: 22px; }

/* ===== Форма ===== */
.form__group { margin-bottom: 16px; position: relative; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text-secondary); }
.form input, .form select {
    width: 100%; padding: 12px 14px; border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm); font-size: 0.95rem; font-family: inherit;
    background: var(--color-bg); color: var(--color-text); transition: var(--transition);
}
.form input:focus, .form select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15); }
.form input.is-invalid { border-color: #e0393e; }
.form input.is-valid { border-color: var(--color-secondary); }
.form__error { display: block; color: #e0393e; font-size: 0.78rem; margin-top: 4px; min-height: 14px; }
.form__message { margin-top: 14px; text-align: center; font-weight: 600; font-size: 0.9rem; min-height: 20px; }
.form__message.success { color: var(--color-secondary); }
.form__message.error { color: #e0393e; }

/* ===== Правовые страницы (политика конфиденциальности и т.п.) ===== */
.legal__container { max-width: 860px; }
.legal__title { margin-bottom: 6px; }
.legal__updated { color: var(--color-text-secondary); font-size: 0.85rem; margin-bottom: 32px; }
.legal__content h2 { font-size: 1.15rem; font-weight: 700; color: var(--color-primary); margin: 28px 0 12px; }
.legal__content h2:first-child { margin-top: 0; }
.legal__content p { color: var(--color-text-secondary); margin-bottom: 12px; }
.legal__list { margin: 0 0 12px; padding-left: 20px; color: var(--color-text-secondary); }
.legal__list li { list-style: disc; margin-bottom: 6px; }
.legal__content a { color: var(--color-accent); }

/* ===== Согласие на обработку персональных данных (чекбокс форм) ===== */
.form__checkbox {
    display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px;
    font-size: 0.82rem; color: var(--color-text-secondary); cursor: pointer; line-height: 1.4;
}
.form__checkbox input { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; accent-color: var(--color-accent); cursor: pointer; }
.form__checkbox a { color: var(--color-accent); text-decoration: underline; }
.form__checkbox.is-invalid { color: #e0393e; }

/* ===== Баннер cookie ===== */
.cookie-banner {
    position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: var(--z-modal);
    max-width: 720px; margin: 0 auto;
    background: var(--color-primary); color: rgba(255,255,255,0.92);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    padding: 20px 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
    transform: translateY(140%); transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner p { flex: 1 1 320px; font-size: 0.85rem; margin: 0; }
.cookie-banner a { color: #7EE8E1; text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ===== Анимации появления ===== */
.reveal { transition: opacity 0.6s ease, transform 0.6s ease; }

/* ===== Адаптивность ===== */
@media (max-width: 960px) {
    .contacts__grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .nav { display: none; }
    .header__phone { display: none; }
    .hamburger { display: flex; }
    .search-bar { flex-direction: column; align-items: stretch; }
    .search-bar__btn { width: 100%; }
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .form__row { grid-template-columns: 1fr; }
    .room-card__footer .btn { width: 100%; }
}