/* ===== Yars Arabia — design tokens ===== */
:root{
  --navy:#16324A;
  --navy-dark:#0E212F;
  --gold:#C79A3E;
  --gold-light:#E0B65C;
  --bg:#FAF9F6;
  --surface:#FFFFFF;
  --text:#1B1F23;
  --text-muted:#5B6570;
  --border:#E1DED5;
  --radius:6px;
  --container:1140px;
  --font-display:'Big Shoulders Display', sans-serif;
  --font-body:'Inter', sans-serif;
}
html[lang="ar"]{
  --font-display:'Cairo', sans-serif;
  --font-body:'Cairo', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.1;
  margin:0 0 0.5em;
  color:var(--navy);
}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{font-weight:800;}
h1{font-size:clamp(2.4rem,6vw,4rem);}
h2{font-size:clamp(1.7rem,4vw,2.4rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;color:var(--text-muted);max-width:60ch;}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px;}
section{padding-block:72px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius);
  font-family:var(--font-body);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{background:var(--gold);color:var(--navy-dark);}
.btn-primary:hover{background:var(--gold-light);}
.btn-secondary{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-secondary:hover{background:var(--navy);color:#fff;}
.btn-on-dark{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08);}

/* ===== Ruler-tick divider (brand motif) ===== */
.ruler{display:flex;align-items:flex-end;gap:19px;height:14px;margin-block:28px;}
.ruler span{width:3px;height:6px;background:var(--gold);}
.ruler span:nth-child(3n){height:10px;}
.ruler.short{width:135px;}
.ruler.center{margin-inline:auto;justify-content:center;}

/* ===== Header ===== */
header{
  position:sticky;top:0;z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding-block:16px;}
.logo{display:flex;align-items:center;gap:10px;line-height:1;}
.logo-mark{flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;line-height:1;}
.logo .word{font-family:var(--font-display);font-weight:700;font-size:26px;color:var(--navy);letter-spacing:-0.5px;}
.logo .sub{font-family:var(--font-display);font-weight:600;font-size:10px;letter-spacing:4px;color:var(--gold);margin-top:2px;}
html[lang="ar"] .logo .word{font-size:22px;}
html[lang="ar"] .logo .sub{letter-spacing:2px;}
nav.main-nav{display:flex;align-items:center;gap:36px;}
nav.main-nav a{font-size:15px;font-weight:500;color:var(--text);padding-block:4px;border-bottom:2px solid transparent;}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--navy);border-color:var(--gold);}
.nav-actions{display:flex;align-items:center;gap:18px;}
.lang-switch{font-size:14px;font-weight:600;color:var(--navy);border:1px solid var(--border);border-radius:var(--radius);padding:8px 14px;}
.lang-switch:hover{border-color:var(--gold);}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:4px;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;}

@media (max-width:860px){
  nav.main-nav{
    position:fixed;inset-inline-start:0;top:73px;
    width:100%;background:var(--surface);
    flex-direction:column;align-items:flex-start;
    padding:24px;gap:20px;
    border-bottom:1px solid var(--border);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .15s ease, transform .15s ease;
  }
  nav.main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .menu-toggle{display:block;}
}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:var(--navy);
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 64px);
  color:#fff;padding-block:110px 90px;
}
.hero-bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(14,33,47,.78), rgba(14,33,47,.92));z-index:0;}
.hero .container{position:relative;z-index:1;}
@media (prefers-reduced-motion: reduce){.hero-bg-video{display:none;}}
.hero p{color:rgba(255,255,255,.72);font-size:1.1rem;}
.hero h1{color:#fff;max-width:15ch;}
.hero .ruler span{background:var(--gold);}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.hero.compact{padding-block:56px 48px;}
.hero.compact h1{font-size:clamp(2rem,5vw,2.6rem);max-width:24ch;}
.eyebrow-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--gold-light);
  border:1px solid rgba(199,154,62,.4);border-radius:99px;
  padding:6px 14px;margin-bottom:20px;
}

/* ===== Stat strip ===== */
.stat-strip{background:var(--surface);border-bottom:1px solid var(--border);padding-block:36px;}
.stat-strip .container{display:flex;flex-wrap:wrap;gap:40px;}
.stat{flex:1 1 160px;}
.stat .num{font-family:var(--font-display);font-size:2.2rem;color:var(--navy);font-weight:700;}
.stat .label{font-size:14px;color:var(--text-muted);}

/* ===== Grids & cards ===== */
.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:960px){.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr;}}
@media (max-width:640px){.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;
}
.card:hover{border-color:var(--gold);}
.card .tick{width:28px;height:4px;background:var(--gold);margin-bottom:20px;}

.project-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.project-card .art{background:var(--navy);padding:36px 32px 24px;}
.project-card .body{padding:28px 32px 32px;}
.status-pill{
  display:inline-block;font-size:12px;font-weight:600;color:var(--navy-dark);
  background:var(--gold);border-radius:99px;padding:4px 12px;margin-bottom:14px;
}
.meta-line{font-size:14px;color:var(--text-muted);margin-bottom:6px;}

/* ===== Section variants ===== */
.section-alt{background:var(--surface);border-block:1px solid var(--border);}
.two-col{display:grid;grid-template-columns:1.1fr 0.9fr;gap:64px;align-items:center;}
@media (max-width:860px){.two-col{grid-template-columns:1fr;gap:36px;}}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-item{margin-bottom:24px;}
.contact-item .k{font-size:13px;color:var(--text-muted);margin-bottom:2px;}
.contact-item .v{font-size:17px;font-weight:600;color:var(--navy);}
form.card label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:6px;}
form.card input, form.card textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);
  font-family:var(--font-body);font-size:15px;margin-bottom:18px;background:var(--bg);
}
form.card textarea{min-height:120px;resize:vertical;}
form.card input:focus, form.card textarea:focus{outline:2px solid var(--gold-light);outline-offset:1px;}

/* ===== Footer ===== */
footer{background:var(--navy-dark);color:rgba(255,255,255,.75);padding-block:56px 28px;}
footer h3{color:#fff;font-size:16px;font-family:var(--font-body);font-weight:600;margin-bottom:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px;}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr;}}
footer .logo .word{color:#fff;}
footer a:hover{color:var(--gold-light);}
footer li{margin-bottom:10px;font-size:14px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}

/* ===== Utility ===== */
.center{text-align:center;}
.mx-auto{margin-inline:auto;}
.text-on-dark{color:rgba(255,255,255,.72);}
.mt-0{margin-top:0;}