/* ============================================
   MARKETEK LAYOUT STYLES
   Header, Footer, Navigation, Page Layouts
   ============================================ */

/* === HEADER === */
.mk-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.mk-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.mk-header__logo img {
    height: 56px;
    width: auto;
}

.mk-header__wordmark {
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--mk-text-primary);
    letter-spacing: -0.02em;
}

.mk-header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.mk-header__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.mk-header__menu li {
    position: relative;
}

.mk-header__menu > li > a {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--mk-text-primary);
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    display: block;
}

.mk-header__menu > li > a:hover,
.mk-header__menu > li.current-menu-item > a,
.mk-header__menu > li.current-menu-parent > a {
    color: var(--mk-green-deep);
    background: var(--mk-green-glow);
}

/* Dropdown */
.mk-header__menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--mk-bg-white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm);
    min-width: 220px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.mk-header__menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mk-header__menu .sub-menu a {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mk-text-secondary);
    padding: 0.5rem 0.75rem;
    display: block;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mk-header__menu .sub-menu a:hover {
    color: var(--mk-green-deep);
    background: var(--mk-green-glow);
}

.mk-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mk-header__login {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.mk-header__login svg {
    flex-shrink: 0;
}

.mk-header__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--mk-text-primary);
    padding: var(--space-sm);
}

/* === MOBILE MENU === */
.mk-mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    background: var(--mk-bg-white);
    z-index: 1100;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
}

.mk-mobile-menu.active {
    transform: translateX(0);
}

.mk-mobile-menu__inner {
    padding: var(--space-lg);
}

.mk-mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mk-mobile-menu__close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--mk-text-primary);
    padding: var(--space-sm);
}

.mk-mobile-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mk-mobile-menu__list li a {
    display: block;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 1rem;
    color: var(--mk-text-primary);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.mk-mobile-menu__list .sub-menu {
    list-style: none;
    padding-left: var(--space-lg);
}

.mk-mobile-menu__list .sub-menu a {
    font-size: 0.9375rem;
    color: var(--mk-text-secondary);
}

.mk-mobile-menu__cta {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mk-mobile-menu__login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.mk-mobile-menu__login svg {
    flex-shrink: 0;
}

/* Mobile overlay */
.mk-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mk-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* === FOOTER === */
.mk-footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    padding-bottom: calc(var(--space-xl) + 80px); /* clearance for chat widget */
}

.mk-footer__top {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mk-footer__brand {
    max-width: 300px;
}

.mk-footer__logo img {
    height: 48px;
    width: auto;
    margin-bottom: var(--space-lg);
}

.mk-footer__tagline {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.mk-footer__social {
    display: flex;
    gap: var(--space-md);
}

.mk-footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.mk-footer__social a:hover {
    background: var(--mk-green);
    color: var(--mk-midnight);
}

.mk-footer__columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.mk-footer__col-title {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-md);
}

.mk-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mk-footer__links li {
    margin-bottom: var(--space-sm);
}

.mk-footer__links a {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.mk-footer__links a:hover {
    color: var(--mk-green);
}

.mk-footer__bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.mk-footer__bottom p {
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
}

/* === PAGE LAYOUTS === */

/* Blog layout: content + sidebar */
.mk-layout-blog {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-3xl);
    align-items: start;
}

/* Docs layout: sidebar + content */
.mk-layout-docs {
    display: flex;
    gap: var(--space-2xl);
    align-items: flex-start;
}

.mk-layout-docs__content {
    flex: 1;
    min-width: 0;
}

/* Full width */
.mk-layout-full {
    max-width: 100%;
}

/* Narrow content (blog single) */
.mk-layout-narrow {
    max-width: 800px;
    margin: 0 auto;
}

/* === NEWSLETTER WIDGET === */
.mk-newsletter-widget {
    background: var(--mk-bg-cloud);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.mk-newsletter-widget__title {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1.0625rem;
    margin-bottom: var(--space-sm);
}

.mk-newsletter-widget__desc {
    font-size: 0.875rem;
    color: var(--mk-text-secondary);
    margin-bottom: var(--space-md);
}

.mk-newsletter-widget__form .mk-input {
    margin-bottom: var(--space-sm);
}

/* === SHARE BUTTONS === */
.mk-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.mk-share__label {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--mk-text-secondary);
}

.mk-share__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--mk-bg-snow);
    color: var(--mk-text-secondary);
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 0.75rem;
    transition: all var(--transition-fast);
}

.mk-share__link:hover {
    background: var(--mk-green-glow);
    color: var(--mk-green-deep);
}

/* === FEEDBACK WIDGET (docs) === */
.mk-feedback {
    background: var(--mk-bg-snow);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    margin-top: var(--space-3xl);
}

.mk-feedback__question {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 1rem;
    color: var(--mk-text-primary);
    margin-bottom: var(--space-md);
}

.mk-feedback__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.mk-feedback__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1.25rem;
    background: var(--mk-bg-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--mk-text-secondary);
    transition: all var(--transition-fast);
}

.mk-feedback__btn:hover {
    border-color: var(--mk-green);
    color: var(--mk-green-deep);
    background: var(--mk-green-glow);
}

/* === AUTHOR BOX === */
.mk-author-box {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--mk-bg-snow);
    border-radius: var(--radius-lg);
    margin-top: var(--space-3xl);
}

.mk-author-box__avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.mk-author-box__name {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.mk-author-box__bio {
    font-size: 0.875rem;
    color: var(--mk-text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* === RELATED POSTS === */
.mk-related {
    margin-top: var(--space-3xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.mk-related__title {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
}

/* === STICKY CTA BAR (styles moved to blog.css) === */

/* === FOOTER CTA STRIP === */
.mk-footer__cta-strip {
    text-align: center;
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: var(--space-lg);
}

/* === DOCS SIDEBAR TOGGLE (mobile collapsible) === */
.mk-docs-sidebar__toggle {
    display: none;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--mk-bg-snow);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--mk-text-primary);
    cursor: pointer;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.mk-docs-sidebar__toggle-icon {
    font-size: 1.25rem;
    color: var(--mk-green-deep);
    font-weight: 700;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .mk-header__nav {
        display: none;
    }

    .mk-header__login {
        display: none;
    }

    .mk-header__toggle {
        display: block;
    }

    .mk-layout-blog {
        grid-template-columns: 1fr;
    }

    .mk-footer__top {
        grid-template-columns: 1fr;
    }

    .mk-footer__columns {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Collapsible sidebar on mobile */
    .mk-docs-sidebar__toggle {
        display: flex;
    }

    .mk-docs-sidebar__collapsible {
        display: none;
    }

    .mk-docs-sidebar__collapsible--open {
        display: block;
    }

    .mk-layout-docs {
        flex-direction: column;
    }

    .mk-docs-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        padding-right: 0;
        padding-bottom: var(--space-lg);
        margin-bottom: var(--space-lg);
    }
}

@media (max-width: 640px) {
    .mk-footer__columns {
        grid-template-columns: 1fr;
    }

    .mk-header__inner {
        height: 60px;
    }

    .mk-author-box {
        flex-direction: column;
        text-align: center;
    }

    .mk-author-box__avatar {
        margin: 0 auto;
    }
}