@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+Arabic:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  --ink: #173243;
  --ink-soft: #526975;
  --navy: #123f55;
  --navy-dark: #0b3143;
  --teal: #168b8a;
  --teal-light: #d8f0ed;
  --coral: #e17b5f;
  --sky: #4c91b8;
  --cream: #f7f4ee;
  --mist: #eef5f4;
  --white: #fff;
  --line: #d9e4e5;
  --shadow-sm: 0 8px 28px rgba(19, 63, 85, .08);
  --shadow-lg: 0 24px 64px rgba(13, 52, 68, .14);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --shell: 1180px;
  --font: "Manrope", "Noto Sans SC", "Noto Sans Arabic", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

[dir="rtl"] body { font-family: "Noto Sans Arabic", "Manrope", system-ui, sans-serif; }

a { color: inherit; }
button, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
img, svg { display: block; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }

.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 1000;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--white);
  background: var(--navy-dark);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #f0a370; outline-offset: 3px; }

.site-header {
  position: sticky;
  z-index: 50;
  inset-block-start: 0;
  border-block-end: 1px solid rgba(217, 228, 229, .8);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; text-decoration: none; }
.brand-mark { width: 38px; color: var(--teal); }
.brand-mark svg { width: 100%; stroke: none; fill: currentColor; }
.brand-mark .brand-mark-line { fill: var(--white); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { color: var(--navy); font-size: 16px; letter-spacing: -.02em; }
.brand-copy small { margin-block-start: 4px; color: var(--ink-soft); font-size: 10px; font-weight: 600; letter-spacing: .04em; }
.main-nav { display: flex; align-self: stretch; align-items: stretch; margin-inline-start: auto; gap: 26px; }
.nav-link {
  position: relative;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.nav-link::after {
  position: absolute;
  inset-inline: 0;
  inset-block-end: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transition: transform .2s ease;
}
.nav-link:hover, .nav-link.is-active { color: var(--navy); }
.nav-link.is-active::after, .nav-link:hover::after { transform: scaleX(1); }
.language-control {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fbfb;
}
.language-control svg { width: 17px; height: 17px; color: var(--teal); }
.language-select { max-width: 132px; border: 0; color: var(--ink); background: transparent; font-size: 13px; font-weight: 700; cursor: pointer; }

.hero { position: relative; overflow: hidden; color: var(--white); background: linear-gradient(125deg, #0e394d 0%, #155970 56%, #168b83 150%); }
.home-hero { min-height: 620px; display: grid; align-items: center; }
.hero::before {
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 76px 76px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 40%, #000);
}
.hero-orb { position: absolute; border-radius: 999px; filter: blur(1px); }
.hero-orb-one { width: 480px; height: 480px; inset-block-start: -290px; inset-inline-end: -110px; background: rgba(85, 207, 192, .22); }
.hero-orb-two { width: 320px; height: 320px; inset-block-end: -240px; inset-inline-start: 24%; border: 1px solid rgba(255,255,255,.2); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 80px; padding-block: 94px; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.hero .eyebrow, .video-hero .eyebrow { color: #8ee1d6; }
.hero h1 { max-width: 730px; margin: 0; font-size: clamp(42px, 5vw, 67px); line-height: 1.08; letter-spacing: -.048em; }
.hero-intro { max-width: 680px; margin: 26px 0 0; color: rgba(255,255,255,.78); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-block-start: 36px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--teal); box-shadow: 0 12px 28px rgba(0, 42, 47, .18); }
.hero .button-primary { color: var(--navy-dark); background: #9ce6dc; }
.button-ghost { border-color: rgba(255,255,255,.32); color: var(--white); background: rgba(255,255,255,.06); }
.button-ghost:hover { background: rgba(255,255,255,.13); }

.hero-map {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg);
  background: rgba(5, 44, 58, .46);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}
.map-start { display: flex; align-items: center; justify-content: center; gap: 10px; width: max-content; margin-inline: auto; padding: 9px 18px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; font-size: 13px; font-weight: 800; }
.map-dot { width: 8px; height: 8px; border-radius: 50%; background: #8ee1d6; box-shadow: 0 0 0 5px rgba(142,225,214,.12); }
.map-branches { position: relative; width: 68%; height: 48px; margin-inline: auto; border-inline: 1px solid rgba(255,255,255,.25); border-block-end: 1px solid rgba(255,255,255,.25); }
.map-branches::after { position: absolute; inset-inline-start: 50%; inset-block-start: 0; height: 100%; border-inline-start: 1px solid rgba(255,255,255,.25); content: ""; }
.map-destinations { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.map-destinations > div { display: flex; min-width: 0; flex-direction: column; align-items: center; gap: 10px; padding: 18px 8px; border-radius: 14px; background: rgba(255,255,255,.08); text-align: center; }
.map-destinations strong { font-size: 12px; line-height: 1.35; }
.map-icon { display: grid; width: 37px; height: 37px; place-items: center; border-radius: 10px; color: var(--navy-dark); background: #9ce6dc; font-size: 11px; font-weight: 800; }
.map-icon-video { background: #f2c3a9; }
.map-icon-engineer { background: #bed8e8; }

.section { padding-block: 100px; }
.section-tinted { background: var(--mist); }
.section-heading { max-width: 720px; margin-block-end: 50px; }
.section-heading.compact { margin: 0; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 0; color: var(--navy); font-size: clamp(31px, 3.8vw, 46px); line-height: 1.14; letter-spacing: -.035em; }
.section-heading > p:last-child { margin: 18px 0 0; color: var(--ink-soft); font-size: 17px; }
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.role-card { position: relative; overflow: hidden; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow-sm); }
.role-card::before { position: absolute; inset-block-start: 0; inset-inline: 0; height: 4px; background: var(--teal); content: ""; }
.role-application::before { background: var(--coral); }
.role-engineer::before { background: var(--sky); }
.role-number { position: absolute; inset-block-start: 19px; inset-inline-end: 23px; color: #dfe8e9; font-size: 39px; font-weight: 800; letter-spacing: -.06em; }
.role-icon { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 13px; color: var(--teal); background: var(--teal-light); }
.role-icon svg { width: 27px; height: 27px; }
.role-application .role-icon { color: #b45940; background: #f8e3da; }
.role-engineer .role-icon { color: #33769d; background: #e1edf3; }
.role-audience { margin: 24px 0 8px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.role-application .role-audience { color: #b45940; }
.role-engineer .role-audience { color: #33769d; }
.role-card h3 { margin: 0; color: var(--navy); font-size: 23px; line-height: 1.25; letter-spacing: -.025em; }
.role-card > p:not(.role-audience) { min-height: 104px; margin: 15px 0 22px; color: var(--ink-soft); font-size: 14px; }
.destination-list { display: grid; gap: 9px; }
.destination-list a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 11px; text-decoration: none; transition: border-color .18s ease, background-color .18s ease, transform .18s ease; }
.destination-list a:hover { border-color: #86c9c5; background: #f6fbfa; transform: translateX(2px); }
[dir="rtl"] .destination-list a:hover { transform: translateX(-2px); }
.destination-list span { display: grid; min-width: 0; }
.destination-list strong { color: var(--navy); font-size: 13px; }
.destination-list small { margin-block-start: 2px; color: var(--ink-soft); font-size: 11px; line-height: 1.4; }
.destination-list svg { width: 18px; height: 18px; flex: 0 0 auto; color: var(--teal); }
[dir="rtl"] .destination-list svg { transform: scaleX(-1); }

.pathway-layout { display: grid; grid-template-columns: .74fr 1.26fr; align-items: center; gap: 80px; }
.pathway-cards { display: grid; gap: 16px; }
.pathway-card { padding: 25px; border: 1px solid rgba(21,89,112,.12); border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow-sm); }
.pathway-label { margin-block-end: 16px; color: var(--ink-soft); font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.pathway-steps { display: grid; grid-template-columns: 1fr 42px 1fr; align-items: center; gap: 12px; }
.pathway-steps.single { grid-template-columns: minmax(220px, .6fr); }
.pathway-steps a { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 12px; color: var(--navy); background: var(--mist); text-decoration: none; }
.pathway-steps a:hover { background: var(--teal-light); }
.pathway-steps a span { display: grid; width: 29px; height: 29px; flex: 0 0 auto; place-items: center; border-radius: 8px; color: var(--white); background: var(--teal); font-size: 12px; font-weight: 800; }
.pathway-steps a strong { font-size: 13px; }
.pathway-steps > svg { width: 100%; color: var(--teal); }
[dir="rtl"] .pathway-steps > svg { transform: scaleX(-1); }

.principles-section { padding-block: 90px 110px; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; }
.principle-grid article { position: relative; padding-block-start: 18px; border-block-start: 1px solid var(--line); }
.principle-grid article > span { position: absolute; inset-block-start: -14px; inset-inline-start: 0; padding-inline-end: 12px; color: var(--teal); background: var(--white); font-size: 11px; font-weight: 800; }
.principle-grid h3 { margin: 14px 0 9px; color: var(--navy); font-size: 18px; }
.principle-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.video-hero { color: var(--white); background: linear-gradient(125deg, var(--navy-dark), #155970); }
.video-hero-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 60px; padding-block: 76px; }
.video-hero h1 { max-width: 760px; margin: 0; font-size: clamp(36px, 4.3vw, 56px); line-height: 1.1; letter-spacing: -.04em; }
.video-hero p:last-child { max-width: 750px; margin: 20px 0 0; color: rgba(255,255,255,.75); font-size: 17px; }
.video-hero-stat { display: grid; min-width: 150px; padding: 24px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-md); background: rgba(255,255,255,.07); text-align: center; }
.video-hero-stat strong { color: #99e4dc; font-size: 52px; line-height: 1; }
.video-hero-stat span { margin-block-start: 8px; color: rgba(255,255,255,.7); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.video-section { min-height: 600px; background: #f9fbfb; }
.filters { display: grid; grid-template-columns: repeat(4, 1fr) auto; align-items: end; gap: 12px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: var(--shadow-sm); }
.filter-group { display: grid; gap: 6px; }
.filter-group label { color: var(--ink-soft); font-size: 11px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.filter-group select { width: 100%; height: 44px; padding-inline: 12px 30px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: #f9fbfb; font-size: 13px; font-weight: 650; cursor: pointer; }
.reset-button { height: 44px; padding-inline: 14px; border: 0; color: var(--teal); background: transparent; font-size: 12px; font-weight: 800; cursor: pointer; }
.reset-button:hover { text-decoration: underline; }
.result-bar { display: flex; justify-content: space-between; gap: 24px; margin-block: 28px 18px; color: var(--ink-soft); font-size: 13px; }
.result-bar p { margin: 0; }
.result-bar [data-result-count] { color: var(--navy); font-weight: 800; }
.external-note { text-align: end; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.video-card { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: 0 5px 20px rgba(19, 63, 85, .055); transition: transform .2s ease, box-shadow .2s ease; }
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.video-thumb { position: relative; display: block; aspect-ratio: 16/9; overflow: hidden; background: #dce7e8; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.video-card:hover .video-thumb img { transform: scale(1.025); }
.play-button { position: absolute; inset: 50% auto auto 50%; display: grid; width: 51px; height: 51px; place-items: center; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; color: var(--white); background: rgba(12, 53, 69, .88); box-shadow: 0 8px 20px rgba(0,0,0,.2); transform: translate(-50%, -50%); }
[dir="rtl"] .play-button { transform: translate(50%, -50%); }
.play-button svg { width: 20px; height: 20px; margin-inline-start: 2px; fill: currentColor; stroke: none; }
.recommended-badge { position: absolute; inset-block-start: 12px; inset-inline-start: 12px; padding: 5px 9px; border-radius: 999px; color: var(--navy-dark); background: #a4e8df; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.video-body { display: grid; min-height: 244px; grid-template-rows: auto auto 1fr auto; padding: 20px; }
.video-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-block-end: 10px; }
.meta-chip { padding: 3px 7px; border-radius: 5px; color: #37606e; background: #edf4f4; font-size: 9px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.language-chip { margin-inline-start: auto; color: #985238; background: #f8e5dc; }
.video-body h2 { margin: 0; color: var(--navy); font-size: 17px; line-height: 1.35; letter-spacing: -.015em; }
.video-body > p { margin: 11px 0 19px; color: var(--ink-soft); font-size: 13px; }
.watch-link { display: inline-flex; align-items: center; gap: 7px; width: max-content; color: var(--teal); font-size: 12px; font-weight: 800; text-decoration: none; }
.watch-link:hover { text-decoration: underline; }
.watch-link svg { width: 14px; height: 14px; }
[dir="rtl"] .watch-link svg { transform: scaleX(-1); }
.empty-state { max-width: 520px; margin: 50px auto 0; padding: 42px; border: 1px dashed #bdcdcf; border-radius: 18px; background: var(--white); text-align: center; }
.empty-state svg { width: 58px; margin-inline: auto; color: #91aaaf; }
.empty-state h2 { margin: 18px 0 5px; color: var(--navy); font-size: 22px; }
.empty-state p { margin: 0 0 20px; color: var(--ink-soft); }

.site-footer { padding-block: 42px; color: rgba(255,255,255,.75); background: #0d3547; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 22px 60px; }
.footer-brand strong { color: var(--white); font-size: 17px; }
.footer-brand p { margin: 5px 0 0; font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 22px; }
.footer-links a { font-size: 12px; font-weight: 700; text-decoration: none; }
.footer-links a:hover { color: var(--white); text-decoration: underline; }
.footer-note { grid-column: 1 / -1; margin: 10px 0 0; padding-block-start: 18px; border-block-start: 1px solid rgba(255,255,255,.12); font-size: 11px; }
.noscript { position: fixed; z-index: 100; inset-block-end: 0; inset-inline: 0; padding: 12px; color: var(--white); background: #9f3f2f; text-align: center; }

@media (max-width: 980px) {
  .header-inner { gap: 18px; }
  .brand-copy small { display: none; }
  .main-nav { gap: 15px; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .home-hero { min-height: auto; }
  .hero-map { max-width: 660px; }
  .role-grid { grid-template-columns: 1fr 1fr; }
  .role-engineer { grid-column: 1 / -1; }
  .role-card > p:not(.role-audience) { min-height: 0; }
  .pathway-layout { grid-template-columns: 1fr; gap: 45px; }
  .filters { grid-template-columns: repeat(2, 1fr); }
  .reset-button { justify-self: start; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .site-header { position: static; }
  .header-inner { min-height: 68px; flex-wrap: wrap; padding-block: 10px; }
  .brand { margin-inline-end: auto; }
  .brand-mark { width: 34px; }
  .main-nav { order: 3; width: 100%; height: 42px; margin: 0; border-block-start: 1px solid var(--line); }
  .nav-link { flex: 1; }
  .language-control { padding: 5px 7px; }
  .language-select { max-width: 112px; font-size: 12px; }
  .home-hero { min-height: auto; }
  .hero-grid { gap: 44px; padding-block: 70px; }
  .hero h1 { font-size: clamp(38px, 12vw, 53px); }
  .hero-intro { font-size: 16px; }
  .hero-actions { display: grid; }
  .hero-map { padding: 22px 15px; }
  .map-destinations { gap: 6px; }
  .map-destinations > div { padding-inline: 4px; }
  .map-destinations strong { font-size: 10px; }
  .section { padding-block: 72px; }
  .section-heading { margin-block-end: 35px; }
  .role-grid { grid-template-columns: 1fr; }
  .role-engineer { grid-column: auto; }
  .role-card { padding: 27px 23px; }
  .pathway-steps { grid-template-columns: 1fr; }
  .pathway-steps > svg { width: 30px; height: 22px; margin-inline: auto; transform: rotate(90deg); }
  [dir="rtl"] .pathway-steps > svg { transform: rotate(90deg) scaleX(-1); }
  .pathway-steps.single { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; gap: 38px; }
  .video-hero-inner { grid-template-columns: 1fr; gap: 30px; padding-block: 58px; }
  .video-hero-stat { min-width: 0; grid-template-columns: auto auto; align-items: baseline; justify-content: start; gap: 8px; padding: 16px; }
  .video-hero-stat strong { font-size: 36px; }
  .filters { grid-template-columns: 1fr; padding: 16px; }
  .video-grid { grid-template-columns: 1fr; }
  .result-bar { display: grid; gap: 5px; }
  .external-note { text-align: start; }
  .video-body { min-height: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .footer-note { grid-column: auto; }
}

@media (max-width: 390px) {
  .brand-copy strong { font-size: 14px; }
  .language-control svg { display: none; }
  .language-select { max-width: 104px; }
  .hero h1 { font-size: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .site-header, .site-footer, .filters, .hero-actions { display: none !important; }
  .hero, .video-hero { color: #000; background: #fff; }
  .hero-intro, .video-hero p:last-child { color: #333; }
  .section { padding-block: 24px; }
  .role-card, .video-card { break-inside: avoid; box-shadow: none; }
}