/* ==========================================================================
   Single Post Template — Article Hero, Layout, TOC, Quick Brief, FAQ
   @package TheBoxConcept
   ========================================================================== */

/* --------------------------------------------------------------------------
   Article Hero (full-bleed background image, dark overlay, content on top)
   -------------------------------------------------------------------------- */
.article-hero {
    position: relative;
    padding: var(--space-16) 0 var(--space-12);
    background-color: var(--color-primary);
    overflow: hidden;
}

.article-hero__background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.article-hero__background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(115deg, rgba(15, 15, 30, 0.94) 0%, rgba(15, 15, 30, 0.82) 45%, rgba(15, 15, 30, 0.55) 100%);
}

.article-hero__content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}

.article-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-primary);
    background: var(--color-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
}

.article-hero__title {
    font-size: var(--text-4xl);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-5);
    color: var(--color-white);
}

.article-hero__excerpt {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-6);
    max-width: 60ch;
}

.article-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-5);
}

.article-hero__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.article-hero__author-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.article-hero__author-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.article-hero__author-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-white);
}

.article-hero__author-role {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
}

.article-hero__sep {
    width: 4px;
    height: 4px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.35);
    flex-shrink: 0;
}

.article-hero__meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.75);
}

.article-hero__meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-secondary);
}

@media (max-width: 900px) {
    .article-hero {
        padding: var(--space-12) 0 var(--space-8);
    }

    .article-hero__title {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 640px) {
    .article-hero {
        padding: var(--space-10) 0 var(--space-6);
    }

    .article-hero__meta {
        gap: var(--space-3);
    }

    .article-hero__title {
        font-size: clamp(1.6rem, 6vw, 2.25rem);
    }
}

/* --------------------------------------------------------------------------
   Layout Grid: Main content + Sticky sidebar
   -------------------------------------------------------------------------- */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-12);
    align-items: start;
}

.article-main {
    min-width: 0;
}

.article-sidebar {
    position: sticky;
    top: calc(var(--space-8) + 90px);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr 300px;
        gap: var(--space-8);
    }
}

@media (max-width: 900px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: relative;
        top: 0;
        order: -1;
    }
}

/* --------------------------------------------------------------------------
   Table of Contents
   -------------------------------------------------------------------------- */
.article-toc {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-10);
}

.article-toc__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.article-toc__title svg {
    width: 18px;
    height: 18px;
    color: var(--color-secondary);
}

.article-toc__list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc-counter;
    display: grid;
    gap: var(--space-2);
}

.article-toc__list li {
    counter-increment: toc-counter;
}

.article-toc__link {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    padding: var(--space-1) 0;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.article-toc__link::before {
    content: counter(toc-counter) '.';
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    flex-shrink: 0;
}

.article-toc__link:hover,
.article-toc__link.is-active {
    color: var(--color-secondary-dark);
}

/* --------------------------------------------------------------------------
   Prose enhancements: Key takeaway, callouts
   -------------------------------------------------------------------------- */
.callout {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    background: var(--color-accent);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin: var(--space-10) 0;
}

.callout__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
}

.callout__icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
}

.callout__title {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.callout__text {
    margin: 0;
    color: var(--color-gray-700);
    font-size: var(--text-base);
}

/* --------------------------------------------------------------------------
   Article meta bar (tags + share)
   -------------------------------------------------------------------------- */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
}

.article-tags__label {
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    margin-inline-end: var(--space-2);
}

.article-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.article-tag:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
}

.article-share {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
}

.article-share__label {
    font-weight: var(--font-semibold);
    color: var(--color-primary);
}

.article-share .social-link {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.article-share .social-link:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Author Box
   -------------------------------------------------------------------------- */
.author-box {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
    margin-top: var(--space-12);
    padding: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
}

.author-box__avatar {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
}

.author-box__name {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.author-box__role {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-secondary-dark);
    margin-bottom: var(--space-3);
}

.author-box__bio {
    margin: 0;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.author-box__reviewed {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px dashed var(--color-gray-300);
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.author-box__reviewed strong {
    color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   FAQ Accordion (class names shared with rtl.css)
   -------------------------------------------------------------------------- */
.article-faq {
    margin-top: var(--space-4);
}

.faq__item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    width: 100%;
    padding: var(--space-5) 0;
    background: none;
    border: none;
    text-align: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    cursor: pointer;
}

.faq__icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.faq__icon svg {
    width: 14px;
    height: 14px;
    color: var(--color-primary);
}

.faq__item.is-open .faq__icon {
    background: var(--color-secondary);
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq__answer p {
    margin: 0 0 var(--space-5);
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   Quick Project Brief (Sidebar Mini Form)
   -------------------------------------------------------------------------- */
.quick-brief {
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6);
    overflow: hidden;
}

.quick-brief__header {
    position: relative;
    margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) var(--space-5);
    padding: var(--space-6) var(--space-6) var(--space-5);
    background: linear-gradient(135deg, var(--color-primary) 0%, #262650 100%);
}

.quick-brief__title {
    font-size: clamp(var(--text-base), 2vw, var(--text-lg));
    font-weight: var(--font-bold);
    color: var(--color-white);
    margin-bottom: var(--space-1);
    line-height: 1.3;
}

.quick-brief__subtitle {
    font-size: var(--text-sm);
    color: var(--color-secondary);
    font-weight: var(--font-medium);
    margin: 0;
}

.quick-brief .form-group {
    margin-bottom: var(--space-4);
}

.quick-brief .form-label {
    font-size: var(--text-xs);
    margin-bottom: var(--space-1);
}

.quick-brief .form-input,
.quick-brief .form-select,
.quick-brief .form-textarea {
    padding: var(--space-3);
    font-size: var(--text-sm);
}

.quick-brief__response {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    justify-content: center;
}

.quick-brief__response svg {
    width: 14px;
    height: 14px;
    color: var(--color-success);
}

.quick-brief__success {
    display: none;
    text-align: center;
    padding: var(--space-6) 0;
}

.quick-brief__success.is-visible {
    display: block;
}

.quick-brief__success svg {
    width: 44px;
    height: 44px;
    color: var(--color-success);
    margin: 0 auto var(--space-3);
}

.quick-brief.is-submitted .quick-brief__form {
    display: none;
}

/* WhatsApp Sidebar CTA */
.sidebar-whatsapp {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1e1e3c 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
}

.sidebar-whatsapp__icon {
    width: 44px;
    height: 44px;
    margin: 0 auto var(--space-3);
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-whatsapp__icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-white);
}

.sidebar-whatsapp__text {
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

/* Sidebar Trust Badges */
.sidebar-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.sidebar-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    font-weight: var(--font-medium);
}

.sidebar-badge svg {
    width: 18px;
    height: 18px;
    color: var(--color-secondary);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Trust strip spacing under hero (reuses .trust-strip from components.css)
   -------------------------------------------------------------------------- */
.article-trust-strip {
    padding: var(--space-5) 0;
}

/* --------------------------------------------------------------------------
   RTL adjustments specific to the article template
   -------------------------------------------------------------------------- */
[dir="rtl"] .article-tags__label {
    margin-inline-end: 0;
    margin-inline-start: var(--space-2);
}

[dir="rtl"] .author-box {
    flex-direction: row-reverse;
    text-align: right;
}

[dir="rtl"] .article-hero__meta-item svg,
[dir="rtl"] .callout__icon,
[dir="rtl"] .sidebar-badge svg {
    order: 2;
}