:root {
  --navy: #062f59;
  --navy-deep: #022647;
  --navy-soft: #0b4778;
  --gold: #c79a35;
  --gold-soft: #e1c274;
  --ink: #10243a;
  --muted: #5d6b79;
  --line: #dfe5eb;
  --paper: #ffffff;
  --mist: #f5f8fb;
  --max: 1180px;
  --shadow: 0 16px 38px rgba(2, 38, 71, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: white;
  padding: .6rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(6,47,89,.10);
  backdrop-filter: blur(10px);
}
.nav-wrap {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 76px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; text-decoration: none; flex: 0 0 auto; }
.brand img { width: 108px; height: 60px; object-fit: contain; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.site-nav a {
  position: relative;
  text-decoration: none;
  color: #1d2d3f;
  font-size: .81rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 28px 0 23px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 18px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--gold);
  transition: transform .2s ease;
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.langs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 14px;
  font-size: .76rem;
  white-space: nowrap;
}
.langs strong { color: var(--navy); }
.langs span { color: #8a949e; cursor: not-allowed; }
.nav-toggle {
  display: none;
  margin-left: auto;
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--navy); margin: 6px 0; }

.hero {
  position: relative;
  min-height: 575px;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background: #eaf1f6;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.77) 40%, rgba(255,255,255,.18) 69%, rgba(2,38,71,.12) 100%),
              url('assets/hero-water.webp') center 58% / cover no-repeat;
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -220px;
  bottom: -360px;
  border: 2px solid rgba(199,154,53,.42);
  transform: rotate(45deg);
  z-index: -1;
}
.hero-inner {
  width: min(var(--max), calc(100% - 48px));
  padding: 72px 0 84px;
}
.hero-copy { max-width: 650px; }
.eyebrow {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.hero h1 {
  margin: 0;
  color: var(--navy-deep);
  font-size: clamp(2.4rem, 5vw, 4.85rem);
  line-height: .99;
  letter-spacing: -.04em;
  text-transform: uppercase;
}
.hero h1 .gold { color: var(--gold); }
.hero-lead {
  margin: 22px 0 0;
  max-width: 590px;
  color: #31485f;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 45px;
  padding: 0 22px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: white;
  text-decoration: none;
  font-size: .79rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 9px 22px rgba(2,38,71,.16); }
.btn.secondary { background: white; color: var(--navy); }

.section { padding: 76px 24px; }
.section.alt { background: var(--mist); }
.container { max-width: var(--max); margin: 0 auto; }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}
.section-head.center { text-align: center; display: block; }
.section-title {
  margin: 0;
  color: var(--navy-deep);
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: -.025em;
}
.section-subtitle { margin: 8px 0 0; color: var(--muted); max-width: 760px; }
.gold-rule { width: 56px; height: 2px; background: var(--gold); margin-top: 14px; }
.section-head.center .gold-rule { margin-left: auto; margin-right: auto; }
.section-subtitle.centered { margin-inline: auto; }
.center-link { text-align: center; margin: 30px 0 0; }
.text-link { color: var(--navy); font-weight: 800; text-decoration-color: var(--gold); text-underline-offset: 4px; }

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.business-card {
  border: 1px solid var(--line);
  background: white;
  min-height: 286px;
  display: grid;
  grid-template-rows: 125px 1fr;
  overflow: hidden;
  box-shadow: 0 9px 26px rgba(2,38,71,.04);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.business-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(199,154,53,.55);
}
.business-card img { width: 100%; height: 125px; object-fit: cover; }
.business-card .body { padding: 19px 20px 21px; }
.card-kicker { color: var(--gold); font-weight: 900; font-size: .72rem; letter-spacing: .10em; text-transform: uppercase; }
.business-card h3 { margin: 6px 0 10px; color: var(--navy); font-size: 1.05rem; line-height: 1.25; }
.business-card p { margin: 0; color: var(--muted); font-size: .89rem; }

.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.split.reverse { grid-template-columns: .95fr 1.05fr; }
.split-image {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #dce7ef;
}
.split-image img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; }
.split-image::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.5);
  pointer-events: none;
}
.split-copy h2 { margin: 0; color: var(--navy-deep); font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.12; }
.split-copy .lead { color: var(--navy); font-weight: 700; font-size: 1.05rem; }
.split-copy p { color: #46586b; }

.mission-band {
  background: var(--navy-deep);
  color: white;
  padding: 48px 24px;
  position: relative;
  overflow: hidden;
}
.mission-band::before, .mission-band::after {
  content: "";
  position: absolute;
  width: 220px; height: 220px;
  border: 1px solid rgba(199,154,53,.32);
  transform: rotate(45deg);
}
.mission-band::before { left: -150px; top: -80px; }
.mission-band::after { right: -150px; bottom: -80px; }
.mission-band .container { max-width: 930px; text-align: center; }
.mission-band .eyebrow { color: var(--gold-soft); }
.mission-band h2 { margin: 0 0 10px; font-size: clamp(1.7rem, 3vw, 2.35rem); }
.mission-band p { margin: 0 auto; color: #d9e6f0; font-size: 1.02rem; }

.page-hero {
  background: linear-gradient(135deg, var(--navy-deep), #073b6b);
  color: white;
  padding: 62px 24px 58px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 83% 30%, rgba(255,255,255,.08), transparent 35%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -.03em; }
.page-hero p { margin: 8px 0 0; color: #d6e4ef; max-width: 720px; }

.feature-list, .scope-list { list-style: none; margin: 26px 0 0; padding: 0; }
.feature-list li, .scope-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid #e7edf2;
  color: #344b60;
}
.feature-list li::before, .scope-list li::before {
  content: "";
  width: 9px; height: 9px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  position: absolute;
  left: 0; top: 17px;
}

.catalog-intro {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 44px;
}
.catalog-intro img { width: 100%; height: 360px; object-fit: cover; box-shadow: var(--shadow); }
.catalog-groups { display: grid; gap: 22px; }
.catalog-group {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  border: 1px solid var(--line);
  background: white;
  overflow: hidden;
}
.catalog-group .media { min-height: 230px; background: #e6edf3; }
.catalog-group .media img { width: 100%; height: 100%; min-height: 230px; object-fit: cover; }
.catalog-group .content { padding: 26px 26px 25px 0; }
.catalog-number {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.catalog-group h2 { margin: 6px 0 14px; color: var(--navy-deep); font-size: 1.35rem; }
.catalog-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 7px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.catalog-items li { color: #485a6c; position: relative; padding-left: 15px; font-size: .94rem; }
.catalog-items li::before { content: "•"; color: var(--gold); position: absolute; left: 0; font-weight: 900; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: start; }
.contact-panel { border: 1px solid var(--line); background: white; padding: 28px; }
.contact-panel h2 { margin: 0 0 8px; color: var(--navy); font-size: 1.35rem; }
.contact-panel h3 { margin: 26px 0 8px; color: var(--navy); font-size: 1.05rem; }
.contact-meta { display: grid; gap: 13px; margin-top: 22px; }
.contact-row { display: grid; grid-template-columns: 90px 1fr; gap: 12px; align-items: start; }
.contact-row strong { color: var(--navy); font-size: .85rem; }
.contact-row a { color: #3d5468; overflow-wrap: anywhere; }
.contact-photo { height: 220px; object-fit: cover; width: 100%; margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.field label { display: block; margin-bottom: 6px; font-size: .76rem; color: var(--navy); font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.field input, .field textarea {
  width: 100%;
  border: 1px solid #d5dde5;
  background: white;
  padding: 12px 13px;
  color: var(--ink);
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(199,154,53,.14); }
.field.full { grid-column: 1 / -1; }
.field textarea { min-height: 140px; resize: vertical; }
.form-note { margin: 12px 0 0; color: var(--muted); font-size: .82rem; }

.site-footer { background: var(--navy-deep); color: #dce6ee; padding: 34px 24px; }
.footer-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.1fr .7fr .8fr; gap: 36px; align-items: start; }
.footer-brand img { width: 102px; height: 60px; object-fit: contain; background: white; padding: 5px; }
.footer-brand p { margin: 10px 0 0; max-width: 360px; color: #b9c9d6; font-size: .88rem; }
.footer-title { color: white; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 900; margin-bottom: 10px; }
.footer-links { display: grid; gap: 6px; }
.footer-links a { color: #c7d5e0; text-decoration: none; font-size: .88rem; }
.footer-links a:hover { color: white; }
.copyright { max-width: var(--max); margin: 28px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #93a9ba; font-size: .78rem; }

.notice {
  display: none;
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 100;
  background: var(--navy-deep);
  color: white;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  font-size: .86rem;
}
.notice.show { display: block; }

@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 18px;
    background: white;
    border-bottom: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 0; }
  .site-nav a::after { bottom: 8px; }
  .langs { margin: 10px 0 0; padding-top: 12px; border-top: 1px solid var(--line); }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse, .catalog-intro, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .catalog-group { grid-template-columns: 220px 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-wrap { min-height: 68px; padding: 0 18px; }
  .brand img { width: 90px; height: 50px; }
  .site-nav { top: 68px; padding-left: 18px; padding-right: 18px; }
  .hero { min-height: 510px; }
  .hero::before { background: linear-gradient(180deg, rgba(255,255,255,.95) 0%, rgba(255,255,255,.82) 45%, rgba(255,255,255,.30) 100%), url('assets/hero-water.webp') 58% center / cover no-repeat; }
  .hero-inner { width: min(100% - 36px, var(--max)); padding: 58px 0 72px; }
  .section { padding: 58px 18px; }
  .section-head { align-items: start; flex-direction: column; }
  .business-grid { grid-template-columns: 1fr; }
  .split-image, .split-image img { min-height: 360px; }
  .catalog-intro img { height: 280px; }
  .catalog-group { grid-template-columns: 1fr; }
  .catalog-group .media, .catalog-group .media img { min-height: 190px; height: 190px; }
  .catalog-group .content { padding: 0 20px 24px; }
  .catalog-items { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
}


/* Persian / RTL pages */
body.rtl {
  direction: rtl;
  text-align: right;
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
}
body.rtl .site-nav,
body.rtl .langs,
body.rtl .hero-actions { direction: rtl; }
body.rtl .hero-copy { margin-left: auto; margin-right: 0; }
body.rtl .hero-copy,
body.rtl .section-head,
body.rtl .split-copy,
body.rtl .catalog-group .content,
body.rtl .contact-panel { text-align: right; }
body.rtl .feature-list li,
body.rtl .scope-list li { padding-left: 0; padding-right: 28px; }
body.rtl .feature-list li::before,
body.rtl .scope-list li::before { left: auto; right: 0; }
body.rtl .catalog-group { grid-template-columns: 1fr 260px; }
body.rtl .catalog-group .media { grid-column: 2; grid-row: 1; }
body.rtl .catalog-group .content { grid-column: 1; grid-row: 1; padding: 26px 0 25px 26px; }
body.rtl .catalog-items li { padding-left: 0; padding-right: 15px; }
body.rtl .catalog-items li::before { left: auto; right: 0; }
body.rtl .contact-row { grid-template-columns: 1fr 120px; }
body.rtl .contact-row strong { grid-column: 2; grid-row: 1; }
body.rtl .contact-row a,
body.rtl .contact-row span { grid-column: 1; grid-row: 1; direction: ltr; text-align: right; }
body.rtl .footer-grid { direction: rtl; }
body.rtl .footer-brand p { margin-right: 0; }
body.rtl .ltr { direction: ltr; unicode-bidi: embed; display: inline-block; }
body.rtl .persian-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; }
body.rtl .persian-list li { position: relative; padding-right: 18px; color: #485a6c; }
body.rtl .persian-list li::before { content: "•"; position: absolute; right: 0; color: var(--gold); font-weight: 900; }
body.rtl .catalog-number { letter-spacing: 0; text-transform: none; }
body.rtl .site-nav a::after { left: auto; right: 0; }
body.rtl .center-link { text-align: center; }
body.rtl .page-hero p { margin-left: auto; margin-right: 0; }
body.rtl .contact-panel .contact-meta { direction: rtl; }
body.rtl .contact-panel h2, body.rtl .contact-panel h3 { text-align: right; }
body.rtl .values-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; margin-top: 28px; }
body.rtl .value-chip { border: 1px solid var(--line); background: white; padding: 16px; color: var(--navy); font-weight: 800; text-align: center; }
@media (max-width: 940px) {
  body.rtl .catalog-group { grid-template-columns: 1fr 220px; }
  body.rtl .site-nav { align-items: stretch; }
  body.rtl .values-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 640px) {
  body.rtl .catalog-group { grid-template-columns: 1fr; }
  body.rtl .catalog-group .media { grid-column: 1; grid-row: 1; }
  body.rtl .catalog-group .content { grid-column: 1; grid-row: 2; padding: 0 20px 24px; }
  body.rtl .values-grid { grid-template-columns: 1fr; }
}
body.rtl .site-nav { margin-left: 0; margin-right: auto; }
body.rtl .langs { margin-left: 0; margin-right: 14px; }
body.rtl .nav-toggle { margin-left: 0; margin-right: auto; }
body.rtl .site-nav a { letter-spacing: 0; text-transform: none; font-size: .9rem; }
body.rtl .eyebrow, body.rtl .btn { letter-spacing: 0; text-transform: none; }
body.rtl .hero::before {
  background: linear-gradient(270deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.77) 40%, rgba(255,255,255,.18) 69%, rgba(2,38,71,.12) 100%),
              url('assets/hero-water.webp') center 58% / cover no-repeat;
}
body.rtl .hero::after { left: -220px; right: auto; }
@media (max-width: 640px) {
  body.rtl .hero::before { background: linear-gradient(180deg, rgba(255,255,255,.95) 0%, rgba(255,255,255,.82) 45%, rgba(255,255,255,.30) 100%), url('assets/hero-water.webp') 58% center / cover no-repeat; }
}

/* Exact Arabic brochure pages supplied by TAS. */
.catalog-pages-section { background: #f3f6f9; }
.catalog-pages { max-width: 980px; display: grid; gap: 30px; }
.catalog-page-image {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(2, 38, 71, .10);
}
.compact-footer .footer-grid { align-items: center; }
.compact-footer .footer-brand img { margin-bottom: 0; }
@media (max-width: 760px) {
  .catalog-pages-section { padding-top: 18px; padding-bottom: 18px; }
  .catalog-pages { gap: 18px; padding-left: 12px; padding-right: 12px; }
}