@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@400;500;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700&display=swap');

:root {
  color-scheme: light;
  --navy: #0B1C33;
  --ivory: #FDFBF7;
  --tint: #F4EFEB;
  --line: #E2DCD0;
  --muted: #4A5568;
  --green: #2D7A5D;
  --lemon: #F4D03F;
  --serif: 'IBM Plex Sans Arabic', 'Noto Sans Arabic', sans-serif;
  --sans: 'Noto Sans Arabic', 'IBM Plex Sans Arabic', sans-serif;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--navy);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  text-align: right;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
img { max-width: 100%; }
.skip-link { position: absolute; right: 1rem; top: -5rem; background: var(--lemon); padding: .6rem 1rem; z-index: 30; }
.skip-link:focus { top: 1rem; }
.shell { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); background: var(--ivory); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand img { width: 44px; height: 44px; }
.brand-name { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name strong { font-family: var(--serif); font-size: 18px; letter-spacing: .01em; }
.brand-name span { color: var(--muted); font-size: 12px; margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 27px; color: var(--muted); font-size: 14px; }
.nav-links a { padding-block: 8px; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--navy); border-color: var(--green); }
.nav-cta { border: 1px solid var(--navy); padding: 8px 17px !important; color: var(--navy) !important; }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { cursor: pointer; list-style: none; border: 1px solid var(--line); padding: 7px 12px; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-menu { position: absolute; z-index: 10; top: 48px; left: 0; width: 210px; padding: 12px; background: var(--ivory); border: 1px solid var(--line); }
.mobile-menu a { display: block; padding: 9px 8px; }

main { display: block; }
.hero { padding-block: 82px 76px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 66px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--green); font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.eyebrow::before { content: ''; width: 27px; height: 3px; background: var(--lemon); }
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.35; margin: 0; }
.hero h1 { max-width: 730px; font-size: clamp(42px, 5.3vw, 70px); letter-spacing: -.04em; }
.hero-copy { max-width: 690px; color: var(--muted); font-size: 18px; line-height: 1.9; margin: 24px 0 28px; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.button { min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 10px; padding: 10px 20px; font-size: 14px; font-weight: 700; border: 1px solid var(--navy); }
.button-primary { color: var(--ivory); background: var(--green); border-color: var(--green); }
.button-primary:hover { background: var(--navy); border-color: var(--navy); }
.button-quiet:hover { background: var(--tint); }
.hero-panel { padding: 28px; background: var(--tint); border: 1px solid var(--line); border-top: 4px solid var(--green); }
.panel-label { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.panel-label b { color: var(--green); }
.path-flow { margin-top: 25px; display: grid; gap: 12px; }
.path-step { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--ivory); border: 1px solid var(--line); }
.path-step:nth-child(2) { margin-right: 24px; border-right: 3px solid var(--green); }
.path-step:nth-child(3) { margin-right: 48px; border-right: 3px solid var(--lemon); }
.step-no { color: var(--green); font-size: 12px; font-weight: 700; font-family: var(--serif); }
.path-step strong { display: block; font-size: 15px; line-height: 1.45; }
.path-step small { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }

.section { padding-block: 64px; border-top: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 28px; }
.section-title { display: flex; gap: 14px; align-items: center; }
.section-title::before { content: ''; display: block; width: 4px; height: 34px; background: var(--green); flex: 0 0 auto; }
.section-title h2 { font-size: clamp(27px, 3.2vw, 38px); }
.section-intro { color: var(--muted); max-width: 570px; font-size: 15px; margin: 0; }
.text-link { color: var(--green); font-weight: 700; font-size: 14px; white-space: nowrap; }
.text-link:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 4px; }
.topic-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 25px; }
.topic { display: inline-flex; align-items: center; gap: 8px; background: var(--tint); border: 1px solid var(--line); padding: 9px 14px; font-size: 13px; }
.topic i { width: 8px; height: 8px; background: var(--green); }
.topic:nth-child(2) i { background: var(--lemon); }
.topic:nth-child(3) i { background: var(--navy); }

.featured { display: grid; grid-template-columns: 1.3fr .7fr; gap: 30px; align-items: stretch; padding: 32px; background: var(--navy); color: var(--ivory); }
.featured-main { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.tag { display: inline-flex; background: var(--lemon); color: var(--navy); padding: 4px 10px; font-size: 11px; font-weight: 700; }
.featured h3 { margin-top: 16px; font-size: clamp(25px, 3vw, 36px); max-width: 620px; }
.featured p { margin: 13px 0 20px; color: #D9E0E8; max-width: 620px; font-size: 15px; }
.featured .text-link { color: var(--lemon); }
.featured-side { border-right: 1px solid #425066; padding-right: 25px; display: flex; flex-direction: column; justify-content: center; }
.featured-side p { font-size: 13px; margin: 0 0 10px; }
.featured-side strong { font-size: 16px; color: var(--lemon); }

.article-grid, .project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.article-card, .project-card { min-height: 220px; display: flex; flex-direction: column; border: 1px solid var(--line); padding: 22px; background: var(--ivory); }
.article-card:hover, .project-card:hover { border-color: var(--green); }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--green); font-size: 12px; font-weight: 700; }
.card-meta span:last-child { color: var(--muted); font-weight: 400; }
.article-card h3, .project-card h3 { font-size: 21px; margin-top: 13px; }
.article-card p, .project-card p { color: var(--muted); font-size: 14px; line-height: 1.75; margin: 10px 0 20px; }
.article-card .text-link, .project-card .text-link { margin-top: auto; }
.project-card { background: var(--tint); }
.project-mark { width: 42px; height: 42px; display: grid; place-items: center; background: var(--navy); color: var(--lemon); font-family: var(--serif); font-weight: 700; font-size: 18px; margin-bottom: 11px; }
.notice { padding: 12px 16px; border-right: 3px solid var(--lemon); background: #F8F2D9; color: var(--navy); font-size: 12px; margin-top: 20px; }

.method-strip { display: grid; grid-template-columns: .8fr 1.2fr; gap: 45px; align-items: start; padding: 36px; background: var(--tint); }
.method-strip h2 { font-size: 29px; }
.method-strip p { margin: 0; color: var(--muted); }
.method-list { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.method-list span { border-bottom: 2px solid var(--green); padding: 3px 8px; font-size: 13px; }

.page-intro { padding-block: 60px 38px; border-bottom: 1px solid var(--line); }
.page-intro h1 { font-size: clamp(38px, 5vw, 58px); max-width: 850px; }
.page-intro p { max-width: 760px; color: var(--muted); font-size: 17px; margin: 17px 0 0; }
.breadcrumb { margin-top: 20px; font-size: 12px; color: var(--muted); }
.breadcrumb a { color: var(--green); }
.content-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(200px, 1fr); gap: 54px; padding-block: 46px 70px; }
.prose { font-size: 17px; line-height: 2; }
.prose h2 { margin: 34px 0 12px; font-size: 28px; }
.prose h3 { margin: 24px 0 8px; font-size: 21px; }
.prose p { margin: 0 0 18px; color: #25354A; }
.prose ul, .prose ol { padding-right: 24px; color: #25354A; }
.prose li { margin-block: 8px; }
.prose blockquote { margin: 26px 0; padding: 13px 20px; border-right: 4px solid var(--green); background: var(--tint); font-size: 19px; font-family: var(--serif); }
.article-aside { border-top: 3px solid var(--green); background: var(--tint); padding: 20px; align-self: start; }
.article-aside h2 { font-size: 18px; }
.article-aside p { font-size: 13px; color: var(--muted); }
.article-aside a { color: var(--green); font-weight: 700; font-size: 13px; }
.project-spec { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-block: 24px; }
.spec { padding: 16px; background: var(--tint); border-top: 2px solid var(--green); }
.spec strong { display: block; font-size: 13px; }
.spec span { display: block; font-size: 12px; color: var(--muted); margin-top: 5px; }
.about-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; padding-block: 45px 70px; }
.about-panel { padding: 25px; border: 1px solid var(--line); background: var(--tint); }
.about-panel h2 { font-size: 24px; margin-bottom: 12px; }
.about-panel p { color: var(--muted); margin: 0; }
.contact-block { display: grid; grid-template-columns: 1fr .8fr; gap: 42px; align-items: start; padding-block: 45px 70px; }
.contact-note { background: var(--navy); color: var(--ivory); padding: 26px; border-top: 4px solid var(--lemon); }
.contact-note h2 { font-size: 23px; }
.contact-note p { color: #D9E0E8; font-size: 14px; }
.contact-channels { border-top: 1px solid var(--line); }
.contact-channel { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.contact-channel span { color: var(--muted); font-size: 14px; }
.contact-channel strong { font-size: 14px; }

.site-footer { border-top: 1px solid var(--line); padding-block: 24px 35px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 22px; }
.footer-inner p { color: var(--muted); font-size: 12px; margin: 0; }
.footer-links { display: flex; gap: 18px; font-size: 12px; color: var(--muted); }
.footer-links a:hover { color: var(--green); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 34px; padding-block: 58px; }
  .hero-panel { max-width: 620px; }
  .article-grid, .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .featured { grid-template-columns: 1fr; }
  .featured-side { border-right: 0; border-top: 1px solid #425066; padding: 18px 0 0; }
  .content-layout { grid-template-columns: 1fr; gap: 25px; }
  .article-aside { max-width: 600px; }
}
@media (max-width: 640px) {
  .shell { width: min(var(--max), calc(100% - 32px)); }
  .header-inner { min-height: 72px; }
  .nav-links { display: none; }
  .mobile-nav { display: block; }
  .brand img { width: 38px; height: 38px; }
  .brand-name strong { font-size: 16px; }
  .hero { padding-block: 47px 50px; }
  .hero h1 { font-size: 43px; }
  .hero-copy { font-size: 16px; }
  .hero-panel { padding: 20px; }
  .section { padding-block: 44px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 13px; }
  .article-grid, .project-grid { grid-template-columns: 1fr; }
  .article-card, .project-card { min-height: auto; }
  .featured { padding: 23px; }
  .method-strip { grid-template-columns: 1fr; gap: 16px; padding: 24px; }
  .page-intro { padding-block: 42px 28px; }
  .page-intro h1 { font-size: 39px; }
  .prose { font-size: 16px; }
  .about-columns, .contact-block { grid-template-columns: 1fr; gap: 16px; }
  .project-spec { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; }
  .actions .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}


/* Bilingual layout: preserve Arabic RTL and mirror directional accents for English LTR. */
.language-switch { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; min-width: 44px; padding: 5px 10px; border: 1px solid var(--line); color: var(--green); font-size: 13px; font-weight: 700; line-height: 1.5; }
.language-switch:hover { background: var(--tint); border-color: var(--green); }
html[dir="ltr"] body { text-align: left; }
html[dir="ltr"] .skip-link { right: auto; left: 1rem; }
html[dir="ltr"] .path-step:nth-child(2) { margin-right: 0; margin-left: 24px; border-right: 1px solid var(--line); border-left: 3px solid var(--green); }
html[dir="ltr"] .path-step:nth-child(3) { margin-right: 0; margin-left: 48px; border-right: 1px solid var(--line); border-left: 3px solid var(--lemon); }
html[dir="ltr"] .featured-side { border-right: 0; padding-right: 0; border-left: 1px solid #425066; padding-left: 25px; }
html[dir="ltr"] .notice { border-right: 0; border-left: 3px solid var(--lemon); }
html[dir="ltr"] .prose ul, html[dir="ltr"] .prose ol { padding-right: 0; padding-left: 24px; }
html[dir="ltr"] .prose blockquote { border-right: 0; border-left: 4px solid var(--green); }
html[dir="rtl"] .mobile-menu { right: 0; left: auto; }
@media (max-width: 640px) {
  .header-inner { gap: 8px; }
  .language-switch { padding-inline: 8px; }
}
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');
html[dir="ltr"] body { font-family: 'IBM Plex Sans', 'Noto Sans Arabic', sans-serif; }
html[dir="ltr"] h1, html[dir="ltr"] h2, html[dir="ltr"] h3, html[dir="ltr"] h4 { font-family: 'IBM Plex Sans', 'Noto Sans Arabic', sans-serif; }