/**
 * Olga Tim — общие улучшения: сетка, лёгкие переходы, фокус, модалка
 * Без лишних keyframes — меньше нагрузки на слабых устройствах.
 */

/* ---- Переменные (дополняют страницы) ---- */
:root {
    --ease-out: ease-out;
    --radius-lg: 28px;
    --transition-fast: 0.14s ease;
    --transition-med: 0.2s ease;
    --focus-ring: 0 0 0 3px rgba(180, 124, 94, 0.35);
    --brown-soft: #b47c5e;
    --brown-deep: #8b5a2b;
    --cream: #fff9f5;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

/* ---- База ---- */
html {
    scroll-behavior: smooth;
    /* Убирает горизонтальный «прыжок» при появлении полосы прокрутки */
    scrollbar-gutter: stable;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    background: linear-gradient(180deg, #fffdfb 0%, var(--cream) 45%, #fff5ec 100%);
    color: #2d2a24;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
}

main {
    flex: 1;
    width: 100%;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

@media (max-width: 640px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* ---- Шапка ---- */
header {
    background: rgba(255, 252, 248, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(180, 124, 94, 0.12);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    transition: box-shadow var(--transition-med), background var(--transition-med);
}

header .container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    box-sizing: border-box;
}

@media (max-width: 640px) {
    header .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    flex-wrap: wrap;
    gap: 16px;
    min-height: 52px;
}

.logo {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: 2.1rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--brown-deep);
    line-height: 1.15;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.logo span {
    color: #c86b4a;
    font-weight: 700;
    font-style: italic;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
}

.nav-links li {
    flex-shrink: 0;
}

.nav-links a {
    position: relative;
    padding: 6px 2px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    color: #3b2a21;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brown-soft, #b47c5e), #e8a080);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: width var(--transition-med) var(--ease-out);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--brown-soft);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 2px solid var(--brown-soft);
    border-radius: 12px;
    background: #fffdfb;
    color: var(--brown-deep);
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast),
        background var(--transition-fast), border-color var(--transition-fast);
}

.nav-toggle:hover {
    background: #fff4ed;
    border-color: var(--brown-deep);
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        flex-basis: 100%;
        gap: 0;
        padding: 16px 0 0;
        margin-top: 12px;
        border-top: 1px solid rgba(180, 124, 94, 0.28);
        text-align: center;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 14px 8px;
    }

    .logo {
        font-size: 1.45rem;
    }
}

.nav-toggle:active {
    transform: scale(0.96);
}

/* ---- Кнопки ---- */
.btn,
.order-btn,
button.btn {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast),
        filter var(--transition-fast), background var(--transition-fast);
}

/* «Заказать» на карточках — в тон бренду, не налезает на фото (отступы с индексом / категорией в разметке) */
a.order-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 650;
    font-size: 0.88rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    color: #fffdfb;
    background: linear-gradient(165deg, #d4a888 0%, var(--brown-soft, #b47c5e) 40%, #8f5f47 100%);
    border: 1px solid rgba(255, 252, 248, 0.38);
    box-shadow:
        0 4px 16px rgba(100, 65, 42, 0.26),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

a.order-btn:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
    box-shadow:
        0 10px 26px rgba(100, 65, 42, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn:active,
.order-btn:active,
button.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn:focus-visible,
.order-btn:focus-visible,
button.btn:focus-visible,
.nav-toggle:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* ---- Карточки (главная, категории): только короткий hover, без входа по очереди ---- */
.cake-card,
.album-card {
    transition: transform var(--transition-med), box-shadow var(--transition-med),
        border-color var(--transition-med) !important;
}

/* Карточки в сетке: одинаковая высота строки, «Заказать» на одной линии снизу */
.cakes-grid > .cake-card,
.gallery > .cake-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    align-items: stretch;
}

.cakes-grid > .cake-card > .cake-img,
.gallery > .cake-card > .cake-media,
.gallery > .cake-card > .cake-emoji {
    flex-shrink: 0;
}

.cakes-grid .cake-info {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.gallery > .cake-card > .cake-card-body {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-height: 0;
    padding: 14px 18px 22px;
}

.cakes-grid .cake-info .order-btn,
.gallery > .cake-card > .cake-card-body > .order-btn {
    margin-top: auto;
    align-self: center;
    min-width: 11.5rem;
    box-sizing: border-box;
}

/* Без масштаба фото при наведении — меньше перерисовок */
.cake-img--photo img {
    transition: none;
}

/* ---- Формы ---- */
.order-form h2,
.price-header h2 {
    letter-spacing: 0.02em;
}

input,
select,
textarea {
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
        background var(--transition-fast);
}

input:hover,
select:hover,
textarea:hover {
    border-color: rgba(180, 124, 94, 0.45);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--brown-soft, #b47c5e);
    box-shadow: 0 0 0 3px rgba(180, 124, 94, 0.12);
}

label {
    letter-spacing: 0.01em;
}

/* ---- Подвал ---- */
footer {
    margin-top: auto;
}

.footer-content {
    align-items: flex-start;
}

footer h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.92;
    margin-bottom: 10px;
}

footer a {
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

footer a:hover {
    color: #fff;
    opacity: 1;
}

/* ---- Подсказки / загрузка ---- */
.data-hint,
.cat-hint {
    transition: color var(--transition-fast);
}

.hits-loading {
    opacity: 0.82;
}

/* ---- Модальное окно выбора мессенджера (классы из cake-data.js) ---- */
/* Без backdrop-filter blur — заметно легче на слабом GPU */
.cake-mp-overlay {
    animation: cakeMpBackdrop 0.12s ease forwards;
    opacity: 0;
}

.cake-mp-box {
    animation: cakeMpDialog 0.15s ease forwards;
    opacity: 0;
    transform: translateY(10px);
}

.cake-mp-actions button {
    transition: transform var(--transition-fast), filter var(--transition-fast),
        box-shadow var(--transition-fast);
}

.cake-mp-actions button:hover {
    filter: brightness(1.03);
}

.cake-mp-actions button:active {
    transform: translateY(0) scale(0.98);
}

.cake-mp-actions button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

@keyframes cakeMpBackdrop {
    to {
        opacity: 1;
    }
}

@keyframes cakeMpDialog {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Лайтбокс фото торта (крупный просмотр) ---- */
.cake-zoom-photo {
    cursor: zoom-in;
}

.cake-zoom-photo:focus-visible {
    outline: 3px solid rgba(180, 124, 94, 0.55);
    outline-offset: 4px;
}

button.cake-zoom-photo {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    padding: 0;
    margin: 0;
    background: transparent;
    font: inherit;
    color: inherit;
    text-align: inherit;
    box-sizing: border-box;
    width: 100%;
}

.cake-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right))
        max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    box-sizing: border-box;
}

.cake-lightbox[hidden] {
    display: none !important;
}

.cake-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(18, 12, 9, 0.88);
    cursor: pointer;
}

.cake-lightbox-frame {
    position: relative;
    z-index: 1;
    max-width: min(96vw, 1100px);
    max-height: min(92vh, 900px);
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cake-lightbox-img {
    display: block;
    max-width: min(94vw, 1080px);
    max-height: min(90vh, 880px);
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    border-radius: 14px;
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.55);
}

.cake-lightbox-close {
    position: fixed;
    top: max(12px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
    z-index: 2;
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 252, 248, 0.95);
    color: #3d2618;
    font-size: 1.65rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: system-ui, sans-serif;
}

.cake-lightbox-close:hover {
    filter: brightness(1.04);
}

/* ---- Категория: кнопка «Назад» ---- */
.back-link {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast),
        background var(--transition-fast);
}

.back-link:hover {
    transform: translateX(-2px);
}

/* ---- Снижение анимаций по системным настройкам ---- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .cake-mp-overlay,
    .cake-mp-box {
        animation: none !important;
    }

    .cake-mp-overlay {
        opacity: 1;
    }

    .cake-mp-box {
        opacity: 1;
        transform: none;
    }

    .btn,
    .order-btn,
    button.btn,
    .cake-card,
    .album-card,
    .nav-toggle,
    .back-link {
        transition-duration: 0.01ms !important;
    }

    .btn-catalog:hover .btn-catalog-arrow {
        transform: none !important;
    }

    a.order-btn:hover {
        transform: none;
    }
}