/* ===========================================================================
   StayIn layout — app shell, container, header, footer, grids.
   =========================================================================== */

.container {
    width: min(var(--container), 100% - var(--page-gutter) - var(--page-gutter));
    margin-inline: auto;
}

.container--narrow {
    width: min(var(--container-narrow), 100% - var(--page-gutter) - var(--page-gutter));
}

/* Header ------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-block-end: 1px solid var(--border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-height: var(--nav-height);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--text);
}

.brand img {
    height: 34px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-inline-start: auto;
}

.nav__link {
    color: var(--text-muted);
    font-weight: 550;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.nav__link:hover {
    color: var(--text);
    background: var(--surface);
}

.nav__link[aria-current='page'] {
    color: var(--brand);
    background: var(--brand-soft);
}

.nav__toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    padding: 8px 12px;
    font-size: var(--text-lg);
    cursor: pointer;
}

/* Mobile navigation drawer */
@media (max-width: 860px) {
    .nav__toggle {
        display: inline-flex;
        margin-inline-start: auto;
    }

    .nav {
        position: fixed;
        inset: var(--nav-height) 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg-elevated);
        border-block-end: 1px solid var(--border);
        padding: var(--space-4);
        gap: var(--space-1);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-12px);
        transition: transform var(--transition-base);
        z-index: var(--z-dropdown);
        box-shadow: var(--shadow-3);
    }

    .nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .nav__link {
        padding: 12px 16px;
    }
}

/* Main ---------------------------------------------------------------------- */
.site-main {
    min-height: calc(100dvh - var(--nav-height) - 200px);
    padding-block: var(--space-6);
}

/* Sections ------------------------------------------------------------------- */
.section {
    padding-block: var(--space-section);
}

.section--tight {
    padding-block: var(--space-5);
}

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    margin-block-end: var(--space-5);
}

.section-head h2 {
    font-family: var(--font-display);
    font-weight: 600;
}

.section-head a {
    font-size: var(--text-sm);
    font-weight: 600;
}

/* Card grids ------------------------------------------------------------------- */
.grid {
    display: grid;
    gap: var(--space-5);
}

.grid--cards {
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
}

.grid--destinations {
    grid-template-columns: repeat(auto-fill, minmax(min(180px, 100%), 1fr));
}

/* Footer ------------------------------------------------------------------------ */
.site-footer {
    border-block-start: 1px solid var(--border);
    background: var(--bg-sunken);
    padding-block: var(--space-7) var(--space-5);
    margin-block-start: var(--space-8);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-6);
}

@media (max-width: 720px) {
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.site-footer h3 {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
    margin-block-end: var(--space-3);
}

.site-footer ul {
    list-style: none;
    padding: 0;
    display: grid;
    gap: var(--space-2);
}

.site-footer a {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.site-footer a:hover {
    color: var(--brand);
}

.site-footer__bottom {
    margin-block-start: var(--space-6);
    padding-block-start: var(--space-4);
    border-block-start: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: space-between;
    color: var(--text-faint);
    font-size: var(--text-sm);
}

/* Utility page (auth) ------------------------------------------------------------- */
.auth-wrap {
    max-width: 440px;
    margin-inline: auto;
    padding-block: var(--space-7);
}

.brand { font-family: var(--font-display); font-size: 1.65rem; font-weight: 500; letter-spacing: -.04em; }
.brand img { width: 30px; height: 30px; }
.nav__link { font-size: .9375rem; font-weight: 500; }
.nav__link[aria-current="page"] { color: var(--text); background: transparent; text-decoration: underline; text-decoration-color: var(--brand); text-underline-offset: .5em; }
.nav__cta { border: 1px solid var(--border-strong); }
.nav__logout-btn { background: none; border: 0; font: inherit; cursor: pointer; }
.site-footer p { max-width: 32ch; color: var(--text-muted); }
.site-footer h3 { color: var(--text); }
.theme-toggle { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: var(--radius-full); color: var(--text); background: var(--surface); cursor: pointer; }
.section-head { flex-wrap: wrap; margin-block-end: var(--space-6); }
.section-head h2 { font-weight: 400; }