/* ===================== EMERIS — Design System (multilingual) ===================== */
:root{
  --ink:#0B1437; --ink-2:#0F1E4D; --ink-3:#16285F;
  --gold:#C2A24A; --gold-soft:#E7D8A8;
  --bg:#fff; --bg-soft:#F6F7FA; --line:#E6E8EE; --text:#1B2030; --muted:#5B6478;
  --accent:var(--gold); --accent-dark:#8A6F22; --accent-soft:#F3ECD7;
  --sans:"Avenir Next","Avenir Next LT Pro","Avenir","Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:var(--sans);
  --maxw:1200px; --radius:16px; --radius-sm:10px;
  --shadow:0 18px 50px -20px rgba(11,20,55,.28); --shadow-sm:0 8px 24px -12px rgba(11,20,55,.22);
  --header-h:76px; --ease:cubic-bezier(.22,.61,.36,1);
}
html[lang="zh"]{--sans:"Avenir Next","Noto Sans SC","Inter",system-ui,sans-serif}
html[lang="ar"]{--sans:"Noto Sans Arabic","Avenir Next","Inter",system-ui,sans-serif}
html[lang="fa"]{--sans:"Vazirmatn","Noto Sans Arabic","Avenir Next","Inter",system-ui,sans-serif}

.sec-health   { --accent:#1E4FBF; --accent-dark:#143A92; --accent-soft:#E8EEFB; }
.sec-care     { --accent:#1F8A4C; --accent-dark:#156138; --accent-soft:#E6F4EC; }
.sec-solutions{ --accent:#B0223A; --accent-dark:#85182B; --accent-soft:#FBE9EC; }

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
[id]{scroll-margin-top:calc(var(--header-h) + 16px)}
body{font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.ec-link,.info-item a,.modal-card a,.site-footer a,.brand-of a{overflow-wrap:anywhere}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,5.2vw,4rem)} h2{font-size:clamp(1.9rem,3.6vw,2.8rem)} h3{font-size:clamp(1.2rem,1.8vw,1.45rem)}
p{color:var(--muted)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:clamp(64px,9vw,118px) 0}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-dark)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
.lead{font-size:clamp(1.05rem,1.4vw,1.22rem);color:var(--muted);max-width:62ch}
.tm{font-size:.62em;vertical-align:super;font-weight:600}

.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 1.6rem;border-radius:999px;font-weight:600;font-size:.98rem;font-family:var(--sans);cursor:pointer;border:1.5px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s}
.btn svg{width:1em;height:1em}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px color-mix(in srgb,var(--accent) 60%,transparent)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn-light{background:#fff;color:var(--ink)}.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 36px -16px rgba(0,0,0,.4)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* header */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;height:var(--header-h);display:flex;align-items:center;background:rgba(255,255,255,.72);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(11,20,55,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-logo{height:38px;width:auto;display:block}
@media (max-width:720px){.brand-logo{height:32px}}
.nav-links{display:flex;align-items:center;gap:1.7rem;list-style:none}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--ink);position:relative;padding:.3rem 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--gold);transition:width .3s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:.9rem}

/* language dropdown */
.lang-switch{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--line);border-radius:999px;padding:.45rem .8rem;min-height:40px;background:#fff;cursor:pointer;font-family:var(--sans);font-size:.82rem;font-weight:600;color:var(--ink)}
.lang-btn svg{opacity:.7}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:none;min-width:170px;z-index:1100;max-height:70vh;overflow:auto}
.lang-menu.open{display:block}
.lang-menu a{display:block;padding:.55rem .75rem;border-radius:8px;font-size:.9rem;color:var(--ink)}
.lang-menu a:hover{background:var(--bg-soft)}
.lang-menu a.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:700}

.menu-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.3s}

/* hero */
.hero{position:relative;padding-top:calc(var(--header-h) + 70px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:.9rem 0 1.2rem}.hero .lead{margin-bottom:2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem}
.hero-figure{position:relative;aspect-ratio:1/1;border-radius:24px;background:radial-gradient(120% 120% at 80% 10%,color-mix(in srgb,var(--gold) 22%,transparent),transparent 55%),linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 55%,var(--ink-3) 100%);box-shadow:var(--shadow);overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-figure .hero-logo{width:76%;height:auto;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}
.hero-figure::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:38px 38px;mask-image:radial-gradient(circle at 70% 30%,#000,transparent 75%)}
.hero-stats{display:flex;gap:2.4rem;margin-top:2.6rem;padding-top:2rem;border-top:1px solid var(--line)}
.hero-stats .num{font-family:var(--serif);font-size:1.9rem;color:var(--ink);font-weight:600}
.hero-stats .lbl{font-size:.82rem;color:var(--muted)}

.section-logo{height:36px;width:auto;display:block;margin-bottom:18px}
.brand-of{margin-top:1.2rem;font-size:.92rem;color:var(--muted);font-weight:500}
.brand-of a{color:var(--accent-dark);font-weight:700}
.brand-of a:hover{text-decoration:underline}
.section-head{max-width:64ch;margin-bottom:clamp(36px,5vw,58px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin:.7rem 0 .8rem}
.tinted{background:linear-gradient(180deg,var(--accent-soft),var(--bg))}

.entity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.brands-grid{grid-template-columns:repeat(2,1fr)}
.entity-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px 30px;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;display:flex;flex-direction:column}
.entity-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--ec)}
.entity-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.entity-card .ec-icon{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--ec) 12%,#fff);color:var(--ec);margin-bottom:18px}
.entity-card .ec-icon svg{width:26px;height:26px}
.entity-card .ec-tag{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ec);margin-bottom:.5rem;display:block}
.entity-card h3{color:var(--ink)}
.entity-card p{margin:.6rem 0 1.4rem;font-size:.97rem;flex:1}
.entity-card .ec-link{font-weight:600;color:var(--ec);display:inline-flex;align-items:center;gap:.4rem;font-size:.95rem}
.entity-card .ec-link svg{transition:transform .25s var(--ease)}
.entity-card:hover .ec-link svg{transform:translateX(4px)}
.ec-health{--ec:#1E4FBF}.ec-care{--ec:#1B7A43}.ec-solutions{--ec:#B0223A}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.card .c-icon{width:46px;height:46px;border-radius:12px;background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .c-icon svg{width:24px;height:24px}
.card h3{font-size:1.15rem;margin-bottom:.5rem}.card p{font-size:.95rem}

.steps{display:grid;gap:18px}
.step{display:flex;gap:18px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step .n{flex:none;width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--serif);font-weight:600;display:flex;align-items:center;justify-content:center}
.step h3{font-size:1.1rem;margin-bottom:.3rem}.step p{font-size:.95rem}

.band-dark{background:linear-gradient(150deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff;position:relative;overflow:hidden}
.band-dark h2{color:#fff}.band-dark p{color:rgba(255,255,255,.78)}
.band-dark::before{content:"";position:absolute;right:-10%;top:-30%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--gold) 40%,transparent),transparent 70%);opacity:.5}
.cta-band{text-align:center}.cta-band .container{position:relative;z-index:1}
.cta-band h2{margin-bottom:1rem}.cta-band p{max-width:56ch;margin:0 auto 2rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

.trust-band{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center}
.trust-chip{display:inline-flex;align-items:center;gap:.55rem;padding:.6rem 1.1rem;border:1px solid var(--line);border-radius:999px;font-size:.85rem;font-weight:600;color:var(--ink)}
.trust-chip svg{flex:none;width:18px;height:18px;color:var(--accent-dark)}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info{display:grid;gap:22px}
.info-item{display:flex;gap:16px;align-items:flex-start}
.info-item .i-ic{flex:none;width:46px;height:46px;border-radius:12px;background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center}
.info-item .i-ic svg{width:22px;height:22px}
.info-item .i-label{font-family:var(--sans);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:.2rem;font-weight:700}
.info-item a,.info-item p{color:var(--ink);font-weight:500}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:.45rem}
.field input,.field select,.field textarea{width:100%;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-family:var(--sans);font-size:.98rem;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 16%,transparent)}
.field textarea{resize:vertical;min-height:130px}
.form-note{font-size:.82rem;color:var(--muted);margin-top:1rem;text-align:center}
.map-wrap{margin-top:14px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/7}
.map-wrap iframe{width:100%;height:100%;border:0}

.site-footer{background:var(--ink);color:#fff;padding:72px 0 28px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-footer .f-about p{color:rgba(255,255,255,.7);font-size:.95rem;margin-top:1rem;max-width:34ch}
.site-footer .brand-logo{height:30px}
.site-footer h3{font-family:var(--sans);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-soft);margin-bottom:1.1rem}
.site-footer a,.site-footer p{color:rgba(255,255,255,.72)}
.site-footer ul{list-style:none;display:grid;gap:.7rem}
.site-footer ul a{font-size:.95rem;transition:color .2s}.site-footer ul a:hover{color:#fff}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}
.footer-bottom .linklike{background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer}
.footer-bottom .linklike:hover{color:#fff;text-decoration:underline}
.linklike:focus-visible,.lang-btn:focus-visible,.menu-toggle:focus-visible,.ec-link:focus-visible,.btn:focus-visible,.lang-menu a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* modal */
.modal{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(11,20,55,.55);backdrop-filter:blur(3px)}
.modal-card{position:relative;background:#fff;max-width:780px;width:100%;max-height:86vh;overflow:auto;border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(28px,4vw,44px)}
.modal-card h2{margin-bottom:.4rem}
.modal-card h3{margin:1.5rem 0 .4rem;font-size:1.08rem}
.modal-card p,.modal-card li{font-size:.95rem;color:var(--muted);margin-bottom:.6rem;line-height:1.6}
.modal-card a{color:var(--accent-dark);font-weight:600}
.modal-eyebrow{color:var(--accent-dark);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.modal-meta{font-size:.82rem;color:var(--muted);margin-top:1.6rem;padding-top:1rem;border-top:1px solid var(--line)}
.modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border:0;border-radius:50%;background:var(--bg-soft);cursor:pointer;font-size:1.3rem;line-height:1;color:var(--ink)}
.modal-close:hover{background:var(--line)}
body.modal-open{overflow:hidden}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:#fff;padding:.6rem 1rem;border-radius:8px;z-index:1100;box-shadow:var(--shadow-sm)}

/* ===== RTL (ar / fa) ===== */
[dir="rtl"] .nav-links a::after{left:auto;right:0}
[dir="rtl"] .lang-menu{right:auto;left:0}
[dir="rtl"] .modal-close{right:auto;left:14px}
[dir="rtl"] .band-dark::before{right:auto;left:-10%}
[dir="rtl"] .entity-card::before{inset:0 0 auto 0}
[dir="rtl"] .skip-link:focus{left:auto;right:16px}
[dir="rtl"] .step{border-left:1px solid var(--line);border-right:4px solid var(--accent)}
[dir="rtl"] .hero-stats{flex-direction:row-reverse;justify-content:flex-end}

@media (max-width:960px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero-figure{order:-1;max-width:420px;margin:0 auto}
  .entity-grid,.grid-3,.brands-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s var(--ease);box-shadow:var(--shadow)}
  .nav-links.open{transform:none}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:.85rem 0;width:100%;border-bottom:1px solid var(--line)}
  .menu-toggle{display:block}
  .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle.open span:nth-child(2){opacity:0}
  .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:720px){
  body{font-size:16px}
  .grid-2,.form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .hero-stats{flex-wrap:wrap;gap:1.4rem}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{transition:none!important;opacity:1!important;transform:none!important}
}