/* ==========================================================================
   SHAMS-AL-QASWA — BLOG / ARTICLE STYLES
   Built entirely on design tokens (tokens.css). Load AFTER website.css.
   Uses logical properties (inline-start / start) so the same sheet powers
   the RTL Arabic articles without changes.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ARTICLE HERO
   -------------------------------------------------------------------------- */
.article-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 58vh;
  padding-block: var(--space-20) var(--space-12);
  color: var(--text-inverse);
  overflow: hidden;
  isolation: isolate;
}
/* Full-bleed background photo — set per-article via inline style on the element.
   Mirrors the homepage hero: cinematic brand overlay sits on top of the image. */
.article-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-secondary-800);
  background-size: cover;
  background-position: center;
}
.article-hero-bg.has-anim {
  animation: ken-burns 24s ease-in-out infinite alternate;
}
.article-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  /* Bottom-weighted so the headline stays legible, with the same navy→teal
     wash and top-right aqua glow used on the homepage hero. */
  background:
    linear-gradient(to top, rgba(5, 25, 40, 0.90) 0%, rgba(8, 35, 52, 0.58) 42%, rgba(15, 61, 86, 0.42) 100%),
    linear-gradient(120deg, rgba(8, 35, 52, 0.58) 0%, rgba(30, 133, 130, 0.30) 100%),
    radial-gradient(circle at 86% 16%, rgba(79, 209, 197, 0.30) 0%, transparent 55%);
}
.article-hero > .container { position: relative; z-index: 2; }
@media (prefers-reduced-motion: reduce) {
  .article-hero-bg.has-anim { animation: none; }
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: var(--space-6);
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.breadcrumb a:hover { color: var(--color-accent-300); }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.40); }
.breadcrumb [aria-current="page"] { color: rgba(255, 255, 255, 0.58); }

.article-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-full);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent-300);
  margin-bottom: var(--space-5);
  backdrop-filter: blur(8px);
}
.article-eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent-400);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

.article-title {
  font-size: clamp(2rem, 5vw, var(--fs-h2));
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--text-inverse);
  max-width: 20ch;
  margin: 0 0 var(--space-5);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.80);
}
.article-meta .dot {
  width: 4px; height: 4px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.42);
}

.article-hero-figure {
  margin: var(--space-10) 0 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  aspect-ratio: 16 / 9;
  background: var(--color-secondary-800);
}
.article-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   2. ARTICLE BODY + READING COLUMN
   -------------------------------------------------------------------------- */
.article-body {
  background: var(--surface-page);
  padding-block: var(--section-py-md);
}
.article-wrap {
  width: 100%;
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* --------------------------------------------------------------------------
   3. PROSE TYPOGRAPHY
   -------------------------------------------------------------------------- */
.prose {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-loose);
  color: var(--text-secondary);
}
.prose > * + * { margin-top: var(--space-5); }

.prose h2 {
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
  margin-top: var(--space-12);
  scroll-margin-top: 96px;
}
.prose h3 {
  font-size: var(--fs-h6);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--text-primary);
  margin-top: var(--space-8);
  scroll-margin-top: 96px;
}
.prose h2 + p, .prose h3 + p { margin-top: var(--space-4); }

.prose a {
  color: var(--text-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--duration-fast) var(--ease-out);
}
.prose a:hover { color: var(--color-primary-700); }
.prose strong { color: var(--text-primary); font-weight: var(--fw-bold); }

.prose ul, .prose ol { padding-inline-start: var(--space-6); }
.prose li { margin-top: var(--space-2); }
.prose li::marker { color: var(--color-primary-500); }
.prose ol li::marker { font-weight: var(--fw-bold); }

.prose .lead {
  font-size: var(--fs-h6);
  line-height: var(--lh-relaxed);
  color: var(--text-primary);
  font-weight: var(--fw-medium);
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin-block: var(--space-10);
}

/* Inline figures inside the reading column */
.inline-figure { margin: var(--space-8) 0 0; }   /* override UA figure margin-inline: 40px */
.inline-figure img {
  width: 100%;
  height: auto;                                   /* scale from aspect ratio, not the height attr */
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: block;
}
.inline-figure figcaption {
  margin-top: var(--space-3);
  font-size: var(--fs-body-sm);
  color: var(--text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   4. TABLE OF CONTENTS
   -------------------------------------------------------------------------- */
.toc {
  background: var(--surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-8);
}
.toc-title {
  font-size: var(--fs-overline);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 var(--space-3);
}
.toc ol {
  list-style: decimal;
  margin: 0;
  padding-inline-start: var(--space-5);
  columns: 2;
  column-gap: var(--space-8);
}
.toc li { margin: 0 0 var(--space-2); font-size: var(--fs-body-sm); }
.toc li::marker { color: var(--color-primary-500); font-weight: var(--fw-bold); }
.toc a { color: var(--text-link); text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   5. ANSWER CARD (quick TL;DR)
   -------------------------------------------------------------------------- */
.answer-card {
  background: var(--gradient-water);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  box-shadow: var(--shadow-accent);
  margin-top: var(--space-8);
}
.answer-card .answer-label {
  font-size: var(--fs-overline);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  opacity: 0.85;
  margin: 0 0 var(--space-2);
}
.answer-card p { margin: 0; font-size: var(--fs-body-lg); line-height: var(--lh-relaxed); }
.answer-card strong { color: var(--color-white); }

/* --------------------------------------------------------------------------
   6. CALLOUT
   -------------------------------------------------------------------------- */
.callout {
  background: var(--surface-brand-subtle);
  border-inline-start: 4px solid var(--color-primary-500);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-8);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}
.callout strong { color: var(--color-primary-700); }
.callout .callout-title {
  display: block;
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

/* --------------------------------------------------------------------------
   7. DATA TABLE
   -------------------------------------------------------------------------- */
.table-scroll {
  overflow-x: auto;
  margin-top: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  -webkit-overflow-scrolling: touch;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-body-sm);
  min-width: 480px;
}
.data-table caption {
  caption-side: bottom;
  font-size: var(--fs-caption);
  color: var(--text-muted);
  padding: var(--space-3);
  text-align: start;
}
.data-table th, .data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: start;
  border-bottom: 1px solid var(--border-subtle);
}
.data-table thead th {
  background: var(--color-secondary-700);
  color: var(--color-white);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.data-table tbody tr:nth-child(even) { background: var(--surface-subtle); }
.data-table tbody tr:hover { background: var(--color-primary-50); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table td strong { color: var(--text-primary); }
.data-table .col-center { text-align: center; }
.data-table thead th.col-group {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

/* --------------------------------------------------------------------------
   8. POOL CALCULATOR
   -------------------------------------------------------------------------- */
.pool-calc {
  background: var(--surface-page);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  margin-top: var(--space-8);
}
.calc-head { margin-bottom: var(--space-6); }
.calc-head h3 { margin: 0 0 var(--space-1); font-size: var(--fs-h6); color: var(--text-primary); }
.calc-head p { margin: 0; font-size: var(--fs-body-sm); color: var(--text-muted); }

.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
.calc-field { display: flex; flex-direction: column; gap: var(--space-2); }
.calc-field.full { grid-column: 1 / -1; }
.calc-field label {
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
}
.calc-field input, .calc-field select {
  height: 48px;
  padding: 0 var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--text-primary);
  background: var(--surface-page);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  width: 100%;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.calc-field input:focus, .calc-field select:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: var(--focus-ring);
}

.calc-result {
  margin-top: var(--space-6);
  background: var(--gradient-brand);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: var(--color-white);
  box-shadow: var(--shadow-brand);
}
.calc-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); align-items: end; }
.calc-stat { text-align: center; }
.calc-stat .num { font-size: var(--fs-h4); font-weight: var(--fw-extrabold); line-height: 1; display: block; }
.calc-stat .num.num-lg { font-size: var(--fs-h3); }
.calc-stat .lbl,
.calc-load .lbl {
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  opacity: 0.82;
  margin-top: var(--space-2);
  display: block;
}
.calc-loads {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.calc-loads-title {
  margin: 0 0 var(--space-4);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  text-align: center;
  opacity: 0.9;
}
.calc-load-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.calc-load { text-align: center; }
.calc-load .num { font-size: var(--fs-h4); font-weight: var(--fw-extrabold); line-height: 1; display: block; }
.calc-note { margin: var(--space-5) 0 0; font-size: var(--fs-body-sm); opacity: 0.92; text-align: center; }
.calc-note a { color: var(--color-white); text-decoration: underline; font-weight: var(--fw-semibold); }

/* --------------------------------------------------------------------------
   9. FAQ
   -------------------------------------------------------------------------- */
.faq { margin-top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-page);
  overflow: hidden;
  transition: box-shadow var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}
.faq-item[open] { box-shadow: var(--shadow-md); border-color: var(--border-default); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  font-size: var(--fs-body-lg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: var(--fs-h5);
  font-weight: var(--fw-regular);
  color: var(--color-primary-500);
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-out);
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item .faq-body {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--text-secondary);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
}
.faq-item .faq-body p { margin: 0; }
.faq-item .faq-body p + p { margin-top: var(--space-3); }

/* --------------------------------------------------------------------------
   10. ARTICLE CTA
   -------------------------------------------------------------------------- */
.article-cta {
  margin-top: var(--space-12);
  background: var(--gradient-brand);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  color: var(--color-white);
  box-shadow: var(--shadow-brand);
}
.article-cta h2 { font-size: var(--fs-h4); font-weight: var(--fw-bold); margin: 0 0 var(--space-3); color: var(--color-white); }
.article-cta p { margin: 0 auto var(--space-6); max-width: 48ch; font-size: var(--fs-body-lg); opacity: 0.92; }
.article-cta .cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; }

.btn-white { background: var(--color-white); color: var(--color-primary-700); box-shadow: var(--shadow-md); }
.btn-white:hover { background: var(--color-neutral-50); transform: translateY(-2px); color: var(--color-primary-800); }
.btn-outline-white { background: transparent; color: var(--color-white); border-color: rgba(255, 255, 255, 0.60); }
.btn-outline-white:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--color-white); color: var(--color-white); }

/* Buttons live inside .prose — neutralise prose link styling so they
   keep their button look (no underline, correct text colour). */
.prose .btn { text-decoration: none; }
.prose .btn-white { color: var(--color-primary-700); }
.prose .btn-white:hover { color: var(--color-primary-800); }
.prose .btn-outline-white,
.prose .btn-outline-white:hover { color: var(--color-white); }

/* --------------------------------------------------------------------------
   11. ARTICLE FOOT / BYLINE
   -------------------------------------------------------------------------- */
.article-foot {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}
.byline { display: flex; align-items: center; gap: var(--space-4); }
.byline .avatar {
  width: 52px; height: 52px;
  border-radius: var(--radius-full);
  background: var(--gradient-water);
  color: var(--color-white);
  display: grid;
  place-items: center;
  font-weight: var(--fw-bold);
  font-size: var(--fs-h6);
  flex-shrink: 0;
}
.byline .byline-name { font-weight: var(--fw-bold); color: var(--text-primary); }
.byline .byline-role { font-size: var(--fs-body-sm); color: var(--text-muted); margin-top: 2px; }

/* --------------------------------------------------------------------------
   12. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .article-hero { min-height: 70vh; padding-block: var(--space-16) var(--space-10); }
  .article-title { font-size: clamp(1.75rem, 7vw, 2.25rem); }
  .pool-calc { padding: var(--space-6); }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-stats { gap: var(--space-5); }
  .calc-load-grid { gap: var(--space-3); }
  .toc ol { columns: 1; }
  .article-cta { padding: var(--space-8) var(--space-5); }
}

/* --------------------------------------------------------------------------
   13. GUIDES INDEX (listing page)
   -------------------------------------------------------------------------- */
.guides-section { padding: var(--section-py-md) 0; }
.guides-intro {
  max-width: 60ch;
  margin: 0 auto var(--space-10);
  text-align: center;
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}
.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}
.guide-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-page);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.guide-card:hover,
.guide-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-brand);
}
.guide-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-muted);
}
.guide-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out);
}
.guide-card:hover .guide-card-media img { transform: scale(1.05); }
.guide-card-tag {
  position: absolute;
  inset-block-start: var(--space-3);
  inset-inline-start: var(--space-3);
  background: rgba(15, 23, 42, 0.62);
  color: var(--color-white);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}
.guide-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-6);
}
.guide-card-title {
  font-size: var(--fs-h5);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  color: var(--text-primary);
  margin: 0 0 var(--space-3);
}
.guide-card-excerpt {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  margin: 0 0 var(--space-5);
  flex: 1;
}
.guide-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-body-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.guide-card-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: currentColor;
  opacity: 0.55;
}
.guide-card-more {
  font-weight: var(--fw-semibold);
  color: var(--text-link);
  font-size: var(--fs-body);
}
.guide-card:hover .guide-card-more { text-decoration: underline; }

@media (max-width: 600px) {
  .guides-grid { grid-template-columns: 1fr; }
}