:root {
  --navy: #10243e;
  --navy-2: #173554;
  --gold: #d39a38;
  --gold-dark: #ad7622;
  --cream: #f8f4ec;
  --paper: #ffffff;
  --ink: #162033;
  --muted: #667085;
  --line: #e4e7ec;
  --soft: #f6f8fb;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(16, 36, 62, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
body[dir="rtl"] { font-family: Tahoma, Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 16px; top: 16px; z-index: 2000; background: #fff; padding: 10px 14px; border-radius: 8px; }

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.75rem, 6vw, 5.6rem); line-height: .98; letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.08; letter-spacing: -.03em; }
h3 { line-height: 1.25; }
.section { padding: 92px 0; }
.section-muted { background: var(--soft); }
.section-dark { background: var(--navy); color: #fff; }
.eyebrow { margin: 0 0 10px; color: var(--gold-dark); font-size: .78rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.section-dark .eyebrow { color: #f3c978; }
.section-heading { max-width: 790px; margin-bottom: 40px; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.05rem; }
.section-heading.light > p:last-child { color: #c8d2df; }

.btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 22px; border: 0; border-radius: 999px; background: var(--gold); color: #fff; font-weight: 900; cursor: pointer; transition: .2s ease; }
.btn:hover { background: var(--gold-dark); transform: translateY(-1px); }
.btn-small { min-height: 40px; padding: 0 17px; }
.btn-outline { background: transparent; color: var(--navy); border: 1px solid #ccd4df; }
.btn-outline:hover { color: #fff; }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(228,231,236,.9); }
.nav-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--navy); color: #fff; font-weight: 900; font-size: 1.25rem; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { font-size: 1.06rem; letter-spacing: .12em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: .66rem; letter-spacing: .13em; }
.main-nav { display: flex; align-items: center; gap: 22px; font-weight: 800; }
.main-nav > a:not(.btn):hover { color: var(--gold-dark); }
.lang-switch { border: 1px solid var(--line); background: #fff; border-radius: 999px; min-height: 40px; padding: 0 14px; font-weight: 800; cursor: pointer; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 12px; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--navy); margin: 4px auto; }

.hero { padding: 96px 0 80px; background: radial-gradient(circle at 88% 18%, rgba(211,154,56,.18), transparent 28%), linear-gradient(180deg, #fff, #f7f9fc); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.hero-lead { max-width: 760px; color: var(--muted); font-size: 1.18rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 22px; }
.hero-points { display: flex; gap: 18px; flex-wrap: wrap; color: #344054; font-weight: 800; font-size: .94rem; }
.hero-panel { background: linear-gradient(160deg, var(--navy), #0a1a2d); color: #fff; border-radius: 28px; padding: 30px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.hero-panel::after { content: ""; position: absolute; width: 190px; height: 190px; border-radius: 50%; border: 1px solid rgba(255,255,255,.08); right: -50px; top: -60px; }
.mini-label { color: #f4ce87; font-size: .76rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.hero-panel h2 { font-size: 2rem; margin: 8px 0 22px; }
.hero-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.hero-panel-grid article { padding: 18px; border-radius: 16px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); }
.hero-panel-grid article > span { display: inline-block; color: #f4ce87; font-size: .74rem; font-weight: 900; margin-bottom: 12px; }
.hero-panel-grid strong, .hero-panel-grid small { display: block; }
.hero-panel-grid small { color: #cbd5e1; margin-top: 4px; }

.credibility { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.credibility-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.credibility-grid > div { padding: 28px 24px; border-right: 1px solid var(--line); }
.credibility-grid > div:last-child { border-right: 0; }
.credibility-grid strong { display: block; color: var(--navy); font-size: 1.32rem; }
.credibility-grid span { color: var(--muted); font-size: .9rem; }

.service-groups { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.service-group { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 22px rgba(16,36,62,.05); }
.service-group.featured { border-color: #e4c892; background: linear-gradient(180deg, #fffdf9, #fff); }
.service-num { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: var(--cream); color: var(--gold-dark); font-weight: 900; margin-bottom: 18px; }
.service-group p { color: var(--muted); }
.service-group ul { margin: 18px 0 0; padding-left: 18px; color: #344054; }
body[dir="rtl"] .service-group ul { padding-left: 0; padding-right: 18px; }
.service-group li { margin: 7px 0; }
.service-strip { margin-top: 26px; padding: 18px 22px; border-radius: 999px; background: var(--navy); color: #fff; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; font-weight: 800; }

.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.project-card { overflow: hidden; border-radius: 22px; background: #172b45; border: 1px solid rgba(255,255,255,.08); }
.project-visual { aspect-ratio: 4/3; display: grid; place-items: center; color: #eaf0f6; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
.visual-home { background: linear-gradient(145deg, rgba(211,154,56,.34), rgba(16,36,62,.35)), repeating-linear-gradient(45deg, #35506f, #35506f 18px, #2c4561 18px, #2c4561 36px); }
.visual-civic { background: linear-gradient(145deg, rgba(211,154,56,.18), rgba(16,36,62,.5)), repeating-linear-gradient(135deg, #314963, #314963 18px, #2a4058 18px, #2a4058 36px); }
.visual-commercial { background: linear-gradient(145deg, rgba(211,154,56,.28), rgba(16,36,62,.45)), repeating-linear-gradient(45deg, #3a536d, #3a536d 18px, #30485f 18px, #30485f 36px); }
.project-body { padding: 24px; }
.project-type { color: #f4ce87; font-size: .74rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.project-body p:last-child { color: #cbd5e1; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 74px; align-items: start; }
.about-copy { color: var(--muted); font-size: 1.07rem; }
.about-highlights { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.about-highlights span { padding: 9px 13px; border-radius: 999px; background: var(--cream); color: var(--navy); font-size: .9rem; font-weight: 800; }

.process-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.process-grid article { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.process-grid article > span { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; font-weight: 900; margin-bottom: 16px; }
.process-grid p { color: var(--muted); font-size: .92rem; margin-bottom: 0; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.contact-intro > p { color: var(--muted); }
.contact-list { margin-top: 28px; display: grid; gap: 8px; }
.contact-list a, .contact-list div { display: flex; justify-content: space-between; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.contact-list span { color: var(--muted); }
.contact-form { padding: 30px; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); background: #fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: block; margin-bottom: 15px; font-weight: 800; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; margin-top: 6px; padding: 13px 14px; border: 1px solid #cfd6df; border-radius: 12px; background: #fff; color: var(--ink); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: 2px solid rgba(211,154,56,.23); border-color: var(--gold); }
.form-note { color: var(--muted); font-size: .82rem; margin: 12px 0 0; }

.site-footer { background: #0b1a2d; color: #fff; padding: 36px 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-brand p, .footer-meta p { color: #cbd5e1; margin-bottom: 4px; }
.footer-meta { text-align: right; }
body[dir="rtl"] .footer-meta { text-align: left; }

body[dir="rtl"] .main-nav, body[dir="rtl"] .hero-points, body[dir="rtl"] .hero-actions, body[dir="rtl"] .service-strip, body[dir="rtl"] .about-highlights { direction: rtl; }
body[dir="rtl"] .contact-list a, body[dir="rtl"] .contact-list div { flex-direction: row-reverse; }

@media (max-width: 940px) {
  .hero-grid, .contact-grid, .about-grid { grid-template-columns: 1fr; }
  .service-groups, .projects-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .credibility-grid { grid-template-columns: 1fr 1fr; }
  .credibility-grid > div:nth-child(2) { border-right: 0; }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; left: 20px; right: 20px; top: 70px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; display: none; }
  .main-nav.open { display: flex; }
  .lang-switch { width: 100%; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .section { padding: 68px 0; }
  .hero { padding: 64px 0 54px; }
  .hero-panel-grid, .service-groups, .projects-grid, .process-grid, .credibility-grid, .field-row { grid-template-columns: 1fr; }
  .credibility-grid > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .credibility-grid > div:last-child { border-bottom: 0; }
  .service-strip { border-radius: 20px; }
  .footer-grid { flex-direction: column; }
  .footer-meta { text-align: left; }
  body[dir="rtl"] .footer-meta { text-align: right; }
  .contact-list a, .contact-list div { flex-direction: column; gap: 3px; }
  body[dir="rtl"] .contact-list a, body[dir="rtl"] .contact-list div { flex-direction: column; }
}