/* ==========================================================================
   AIny Theme — Layout: Containers, Header, Footer, Grid
   ========================================================================== */

/* --------------------------------------------------------------------------
   Containers
   -------------------------------------------------------------------------- */
.ainy-container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

.ainy-container--sm  { max-width: var(--container-sm); }
.ainy-container--md  { max-width: var(--container-md); }
.ainy-container--lg  { max-width: var(--container-lg); }
.ainy-container--xl  { max-width: var(--container-xl); }
.ainy-container--full { max-width: 100%; }

@media (min-width: 768px) {
    .ainy-container { --container-pad: 1.5rem; }
}

@media (min-width: 1024px) {
    .ainy-container { --container-pad: 2rem; }
}

/* --------------------------------------------------------------------------
   Site Wrapper
   -------------------------------------------------------------------------- */
.ainy-site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.ainy-site__main {
    flex: 1;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.ainy-header {
    background: var(--c-bg-alt);
    border-bottom: 1px solid var(--c-border);
    position: relative;
    z-index: var(--z-sticky);
    transition: box-shadow var(--t-base), padding var(--t-base);
}

.ainy-header.is-sticky {
    position: sticky;
    top: 0;
}

.ainy-header.is-scrolled {
    box-shadow: var(--shadow-md);
}

.ainy-header--transparent {
    background: transparent;
    border-bottom-color: transparent;
}

.ainy-header__inner {
    display: flex;
    align-items: center;
    gap: var(--s-6);
    padding-top: var(--s-4);
    padding-bottom: var(--s-4);
}

/* Branding */
.ainy-branding {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

/* Logo sizing — controlled via CSS variables set by Customizer */
.ainy-branding__logo img,
.ainy-branding .custom-logo {
    height: var(--logo-height-desktop, 40px);
    width: auto;
    display: block;
}

/* Mobile logo: hidden on desktop, shown on mobile */
.ainy-branding__logo--mobile { display: none; }

@media (max-width: 1023px) {
    .ainy-branding__logo img,
    .ainy-branding .custom-logo { height: var(--logo-height-tablet, 36px); }
}

@media (max-width: 767px) {
    .ainy-branding__logo img,
    .ainy-branding .custom-logo { height: var(--logo-height-mobile, 32px); }
    .ainy-branding__logo--desktop { display: none; }
    .ainy-branding__logo--mobile  { display: block; }
}

.ainy-branding__title {
    font-family: var(--ff-header-branding, var(--font-display));
    font-size: var(--fs-header-branding, var(--fs-xl));
    font-weight: var(--fw-header-branding, var(--fw-bold));
    color: var(--c-header-branding, var(--c-primary));
    line-height: 1;
    text-decoration: none;
}

.ainy-branding__title:hover { text-decoration: none; }

/* Primary Navigation */
.ainy-nav-primary {
    flex: 1;
    display: none;
}

@media (min-width: 1024px) {
    .ainy-nav-primary {
        display: flex;
        align-items: center;
    }
}

.ainy-nav-primary__menu {
    display: flex;
    align-items: center;
    gap: var(--s-1);
    list-style: none;
}

.ainy-nav-primary__menu li { position: relative; }

.ainy-nav-primary__menu a {
    display: flex;
    align-items: center;
    padding: var(--s-2) var(--s-3);
    font-family: var(--ff-header-menu, var(--font-body));
    font-size: var(--fs-header-menu, var(--fs-sm));
    font-weight: var(--fw-header-menu, var(--fw-medium));
    letter-spacing: var(--ls-header-menu, 0);
    text-transform: var(--tt-header-menu, none);
    color: var(--c-header-menu, var(--c-text));
    border-radius: var(--radius-sm);
    transition: color var(--t-fast), background var(--t-fast);
    text-decoration: none;
    white-space: nowrap;
}

.ainy-nav-primary__menu a:hover,
.ainy-nav-primary__menu .current-menu-item > a,
.ainy-nav-primary__menu .current-menu-parent > a {
    color: var(--c-header-menu-hover, var(--c-primary));
    background: var(--c-primary-xl);
    text-decoration: none;
}

/* Dropdown */
.ainy-nav-primary__menu .sub-menu {
    position: absolute;
    top: calc(100% + var(--s-2));
    left: 0;
    background: var(--c-bg-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--s-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--t-base), visibility var(--t-base), transform var(--t-base);
    z-index: var(--z-dropdown);
}

.ainy-nav-primary__menu li:hover > .sub-menu,
.ainy-nav-primary__menu li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.ainy-nav-primary__menu .sub-menu a {
    display: block;
    padding: var(--s-2) var(--s-3);
    font-size: var(--fs-sm);
    border-radius: var(--radius-sm);
    color: var(--c-text);
}

/* Header Actions */
.ainy-header__actions {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    margin-left: auto;
}

.ainy-header__search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--c-text-muted);
    cursor: pointer;
    transition: color var(--t-fast), background var(--t-fast);
}

.ainy-header__search-toggle:hover {
    color: var(--c-primary);
    background: var(--c-primary-xl);
}

.ainy-header__search-toggle:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

/* Mobile nav toggle */
.ainy-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--c-text);
    transition: color var(--t-fast), background var(--t-fast);
}

.ainy-nav-toggle:hover {
    background: var(--c-bg-subtle);
}

@media (min-width: 1024px) {
    .ainy-nav-toggle { display: none; }
}

/* --------------------------------------------------------------------------
   Mobile Navigation Drawer
   -------------------------------------------------------------------------- */
.ainy-mobile-nav {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    pointer-events: none;
}

.ainy-mobile-nav.is-open {
    pointer-events: auto;
}

.ainy-mobile-nav__overlay {
    position: absolute;
    inset: 0;
    background: var(--c-overlay);
    opacity: 0;
    transition: opacity var(--t-base);
}

.ainy-mobile-nav.is-open .ainy-mobile-nav__overlay {
    opacity: 1;
}

.ainy-mobile-nav__panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 90vw);
    background: var(--c-mobile-menu-bg, var(--c-bg-alt));
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--t-base);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.ainy-mobile-nav.is-open .ainy-mobile-nav__panel {
    transform: translateX(0);
}

.ainy-mobile-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s-4) var(--s-5);
    border-bottom: 1px solid var(--c-border);
    flex-shrink: 0;
}

.ainy-mobile-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--c-text-muted);
    transition: color var(--t-fast), background var(--t-fast);
}

.ainy-mobile-nav__close:hover {
    color: var(--c-text);
    background: var(--c-bg-subtle);
}

.ainy-mobile-nav__menu {
    flex: 1;
    padding: var(--s-4);
    list-style: none;
}

.ainy-mobile-nav__menu a {
    display: flex;
    align-items: center;
    padding: var(--s-3) var(--s-4);
    font-family: var(--ff-mobile-menu, var(--font-body));
    font-size: var(--fs-mobile-menu, var(--fs-lg));
    font-weight: var(--fw-mobile-menu, var(--fw-semibold));
    color: var(--c-mobile-menu, var(--c-text));
    border-radius: var(--radius-sm);
    text-decoration: none;
    min-height: 44px;
    transition: color var(--t-fast), background var(--t-fast);
}

.ainy-mobile-nav__menu a:hover,
.ainy-mobile-nav__menu .current-menu-item > a {
    color: var(--c-mobile-menu-hover, var(--c-primary));
    background: var(--c-primary-xl);
}

.ainy-mobile-nav__menu .sub-menu {
    padding-left: var(--s-5);
    list-style: none;
}

.ainy-mobile-nav__menu .sub-menu a {
    font-size: var(--fs-base);
}

.ainy-mobile-nav__footer {
    padding: var(--s-5);
    border-top: 1px solid var(--c-border);
    flex-shrink: 0;
}

body.mobile-nav-open {
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.ainy-footer {
    background: var(--c-text);
    color: var(--c-text-inverse);
    margin-top: auto;
    /* Per-variant token defaults — user CSS vars override these */
    --c-footer-text-default: rgba(255,255,255,0.75);
    --c-footer-link-default: rgba(255,255,255,0.75);
    --c-footer-link-hover-default: #ffffff;
    --c-footer-colophon-default: rgba(255,255,255,0.70);
}

.ainy-footer--light {
    background: var(--c-bg-subtle);
    color: var(--c-text);
    --c-footer-text-default: rgba(26,37,48,0.75);
    --c-footer-link-default: var(--c-text-muted);
    --c-footer-link-hover-default: var(--c-primary);
    --c-footer-colophon-default: var(--c-text-subtle);
}

.ainy-footer--brand {
    background: var(--c-primary-dark);
    --c-footer-text-default: rgba(255,255,255,0.85);
    --c-footer-link-default: rgba(255,255,255,0.85);
    --c-footer-link-hover-default: #ffffff;
    --c-footer-colophon-default: rgba(255,255,255,0.6);
}

.ainy-footer__columns {
    display: grid;
    gap: var(--s-8);
    padding-top: var(--s-10);
    padding-bottom: var(--s-8);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .ainy-footer__columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .ainy-footer__columns {
        grid-template-columns: repeat(var(--footer-cols, 3), 1fr);
    }
}

.ainy-footer__logo {
    padding-top: var(--s-8);
    padding-bottom: var(--s-2);
}

.ainy-footer__logo-img {
    max-height: 48px;
    width: auto;
    object-fit: contain;
}

.ainy-footer__col-title {
    font-family: var(--ff-footer-heading, var(--font-display));
    font-size: var(--fs-footer-heading, var(--fs-sm));
    font-weight: var(--fw-footer-heading, var(--fw-semibold));
    text-transform: var(--tt-footer-heading, uppercase);
    letter-spacing: 0.08em;
    color: var(--c-footer-heading, var(--c-text-subtle));
    margin-bottom: var(--s-4);
}

.ainy-footer__col-content p,
.ainy-footer__col-content li {
    font-family: var(--ff-footer-text, var(--font-body));
    font-size: var(--fs-footer-text, var(--fs-sm));
    line-height: var(--lh-footer-text, var(--lh-relaxed));
    color: var(--c-footer-text, var(--c-footer-text-default));
}

.ainy-footer__col-content a {
    color: var(--c-footer-link, var(--c-footer-link-default));
    font-weight: var(--fw-footer-link, 500);
    text-decoration: none;
    transition: color var(--t-fast);
}

.ainy-footer__col-content a:hover {
    color: var(--c-footer-link-hover, var(--c-footer-link-hover-default));
}

/* Link underline modes */
.ainy-footer[data-footer-link-underline="always"] .ainy-footer__col-content a { text-decoration: underline; }
.ainy-footer[data-footer-link-underline="hover"] .ainy-footer__col-content a:hover { text-decoration: underline; }

.ainy-footer__col-content ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
}

/* Colophon */
.ainy-colophon {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--s-5) 0;
}

.ainy-footer--light .ainy-colophon {
    border-top-color: var(--c-border);
}

.ainy-colophon__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--s-3);
}

.ainy-colophon__copy {
    font-size: var(--fs-footer-colophon, var(--fs-sm));
    color: var(--c-footer-colophon, var(--c-footer-colophon-default));
    text-align: var(--ta-footer-colophon, left);
}

.ainy-colophon__links {
    display: flex;
    gap: var(--s-4);
    list-style: none;
}

.ainy-colophon__links a {
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.70);
    text-decoration: none;
    transition: color var(--t-fast);
}

.ainy-colophon__links a:hover { color: #fff; }

.ainy-footer--light .ainy-colophon__links a { color: var(--c-text-subtle); }
.ainy-footer--light .ainy-colophon__links a:hover { color: var(--c-primary); }

/* Social Links */
.ainy-social-links {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    list-style: none;
    flex-wrap: wrap;
    margin-top: var(--s-4);
}

.ainy-social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    transition: background var(--t-fast), color var(--t-fast);
}

.ainy-social-links a:hover {
    background: var(--c-primary);
    color: #fff;
}

.ainy-footer--light .ainy-social-links a {
    background: var(--c-border);
    color: var(--c-text-muted);
}

.ainy-footer--light .ainy-social-links a:hover {
    background: var(--c-primary);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Page Structure
   -------------------------------------------------------------------------- */
.ainy-page-header {
    background: var(--c-primary-xl);
    padding: var(--s-8) 0 var(--s-7);
    border-bottom: 1px solid var(--c-border);
}

.ainy-page-header__title {
    margin-bottom: var(--s-3);
}

.ainy-page-header__description {
    font-size: var(--fs-lg);
    color: var(--c-text-muted);
    max-width: 600px;
}

/* Content + Sidebar layout */
.ainy-content-area {
    padding: var(--s-8) 0;
}

.ainy-content-grid {
    display: grid;
    gap: var(--s-8);
    align-items: start;
}

@media (min-width: 1024px) {
    .ainy-content-grid--sidebar {
        grid-template-columns: 1fr 300px;
    }

    .ainy-content-grid--sidebar-left {
        grid-template-columns: 300px 1fr;
    }
}

/* --------------------------------------------------------------------------
   Section spacing utility
   -------------------------------------------------------------------------- */
.ainy-section {
    padding: var(--s-10) 0;
}

.ainy-section--sm { padding: var(--s-8) 0; }
.ainy-section--lg { padding: var(--s-12) 0; }

.ainy-section--alt { background: var(--c-bg-subtle); }
.ainy-section--primary { background: var(--c-primary); color: var(--c-text-inverse); }
.ainy-section--dark { background: var(--c-text); color: var(--c-text-inverse); }

.ainy-section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--s-8);
}

.ainy-section__eyebrow {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--c-primary);
    margin-bottom: var(--s-3);
}

.ainy-section--primary .ainy-section__eyebrow,
.ainy-section--dark .ainy-section__eyebrow {
    color: var(--c-primary-ll);
}

.ainy-section__title {
    margin-bottom: var(--s-4);
}

.ainy-section__subtitle {
    font-size: var(--fs-lg);
    color: var(--c-text-muted);
    line-height: var(--lh-relaxed);
}

.ainy-section--primary .ainy-section__title,
.ainy-section--primary .ainy-section__subtitle,
.ainy-section--dark .ainy-section__title,
.ainy-section--dark .ainy-section__subtitle {
    color: var(--c-text-inverse);
}

/* --------------------------------------------------------------------------
   Post Grid
   -------------------------------------------------------------------------- */
.ainy-post-grid {
    display: grid;
    gap: var(--s-6);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .ainy-post-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .ainy-post-grid { grid-template-columns: repeat(3, 1fr); }
}

.ainy-post-grid--2col {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .ainy-post-grid--2col { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.ainy-sidebar {
    position: sticky;
    top: calc(var(--s-8) + var(--header-height, 64px));
}

@media (max-width: 1023px) {
    .ainy-sidebar {
        position: static;
    }
}

.ainy-widget {
    background: var(--c-bg-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: var(--s-5);
    margin-bottom: var(--s-5);
}

.ainy-widget__title {
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    color: var(--c-text);
    margin-bottom: var(--s-4);
    padding-bottom: var(--s-3);
    border-bottom: 2px solid var(--c-primary);
}

/* --------------------------------------------------------------------------
   Search Form (global)
   -------------------------------------------------------------------------- */
.ainy-search-form {
    display: flex;
    gap: var(--s-2);
}

.ainy-search-form__input {
    flex: 1;
    min-width: 0;
}

/* --------------------------------------------------------------------------
   Responsive utilities
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .show-mobile { display: none !important; }
}

/* --------------------------------------------------------------------------
   Back to Top Button
   -------------------------------------------------------------------------- */
.ainy-back-to-top {
    position: fixed;
    bottom: var(--s-6);
    right: var(--s-6);
    z-index: var(--z-toast, 500);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-pill);
    background: var(--c-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--t-base), transform var(--t-base), background var(--t-fast);
    pointer-events: none;
}

.ainy-back-to-top:not([hidden]) {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.ainy-back-to-top:hover { background: var(--c-primary-dark, var(--c-primary)); }

/* --------------------------------------------------------------------------
   Footer Newsletter
   -------------------------------------------------------------------------- */
.ainy-footer__newsletter {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: var(--s-8) 0;
}

.ainy-footer--light .ainy-footer__newsletter {
    border-bottom-color: var(--c-border);
}

.ainy-footer__newsletter-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-8);
    flex-wrap: wrap;
}

.ainy-footer__newsletter-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--s-2);
    color: inherit;
}

.ainy-footer__newsletter-text p {
    font-size: var(--fs-sm);
    opacity: 0.75;
    margin: 0;
}

.ainy-footer__newsletter-form { flex-shrink: 0; }

.ainy-newsletter-form__group {
    display: flex;
    gap: var(--s-2);
    flex-wrap: wrap;
}

.ainy-newsletter-form__group .ainy-field__input {
    min-width: 220px;
    flex: 1;
}

@media (max-width: 640px) {
    .ainy-footer__newsletter-form {
        width: 100%;
        flex-shrink: 1;
    }
    .ainy-newsletter-form__group .ainy-field__input {
        min-width: 0;
    }
}

/* --------------------------------------------------------------------------
   Header Inline Search Form
   -------------------------------------------------------------------------- */
.ainy-header-search-form {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-bg-alt);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    padding: var(--s-3) var(--container-pad, 1rem);
    z-index: var(--z-dropdown, 200);
}

.ainy-header-search-form form {
    display: flex;
    gap: var(--s-2);
    max-width: var(--container-md);
    margin: 0 auto;
}

.ainy-header-search-form__input {
    flex: 1;
    height: 40px;
    padding: 0 var(--s-3);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    background: var(--c-bg);
    color: var(--c-text);
    outline-offset: 2px;
}

.ainy-header-search-form__input:focus {
    border-color: var(--c-primary);
    outline: 2px solid var(--c-primary-xl);
}

.ainy-header-search-form__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--c-primary);
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--t-fast);
}

.ainy-header-search-form__submit:hover { background: var(--c-primary-dark, var(--c-primary)); }

@media (max-width: 640px) {
    .ainy-header-search-form {
        padding: var(--s-2) var(--container-pad, 1rem);
    }
    .ainy-header-search-form__input {
        height: 36px;
        font-size: var(--fs-sm);
    }
    .ainy-header-search-form__submit {
        width: 36px;
        height: 36px;
    }
}

/* --------------------------------------------------------------------------
   Post List Layout (blog list view & related posts)
   -------------------------------------------------------------------------- */
.ainy-post-list {
    display: flex;
    flex-direction: column;
    gap: var(--s-5);
    list-style: none;
    margin: 0;
    padding: 0;
}

.ainy-post-list .ainy-card {
    flex-direction: row;
    gap: var(--s-4);
}

.ainy-post-list .ainy-card__media--ratio {
    width: 180px;
    flex-shrink: 0;
    aspect-ratio: unset;
}

.ainy-post-list .ainy-card__media--ratio .ainy-card__image {
    height: 100%;
    object-fit: cover;
}

@media (max-width: 640px) {
    .ainy-post-list .ainy-card { flex-direction: column; }
    .ainy-post-list .ainy-card__media--ratio { width: 100%; aspect-ratio: 16 / 9; }
}