:root{
  --bg:#F6F1E7;--fg:#0B2A3C;--card:#fff;--mut:#4A5F68;--ac:#0F6B73;--on:#fff;--line:#E3DAC8;
  --hero:#0B2A3C;--hf:#F6F1E7;--gold:#E0B95A;--tint:#EDE5D3;--wa:#1E8E5A;
  --r:14px;--shadow:0 10px 30px -18px rgba(11,42,60,.45);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0E1A21;--fg:#EEF2F2;--card:#15262F;--mut:#A9BBC0;--ac:#4FC3CC;--on:#0B2A3C;--line:#27404B;--hero:#08141A;--tint:#12212A;--wa:#3DBB84;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0E1A21;--fg:#EEF2F2;--card:#15262F;--mut:#A9BBC0;--ac:#4FC3CC;--on:#0B2A3C;--line:#27404B;--hero:#08141A;--tint:#12212A;--wa:#3DBB84;color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--fg);font:400 16px/1.75 'Readex Pro',Tahoma,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;font-weight:700}
h2{font-size:clamp(24px,3vw,34px)}h3{font-size:19px}
:focus-visible{outline:3px solid var(--ac);outline-offset:2px;border-radius:6px}
.container{width:min(1240px,100% - 40px);margin-inline:auto}
.narrow{max-width:780px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--fg);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{top:12px}
.muted{color:var(--mut)}
[hidden]{display:none!important}

/* أزرار */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:10px;border:1.5px solid transparent;background:var(--ac);color:var(--on);font:600 15px 'Readex Pro',sans-serif;cursor:pointer;transition:transform .15s,filter .15s}
.btn:hover{filter:brightness(1.08)}.btn:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn--wa{background:var(--wa);color:#fff}
.btn--block{display:flex;width:100%;margin-bottom:10px}
.icon-btn{min-height:42px;min-width:42px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:transparent;color:inherit;font:600 15px 'Readex Pro',sans-serif;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:4px}

/* الهيدر */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-weight:700;font-size:22px;letter-spacing:.14em}
.brand__tag{font-size:10px;letter-spacing:.34em;color:var(--ac);font-weight:500}
.custom-logo{max-height:48px;width:auto}
.primary-nav{margin-inline-start:12px;flex:1}
.nav,.foot-nav,.lang{list-style:none;margin:0;padding:0;display:flex;gap:22px}
.nav a{font-weight:500;color:var(--mut)}.nav a:hover,.nav .current-menu-item>a{color:var(--fg)}
.header-actions{display:flex;align-items:center;gap:8px}
.lang{gap:8px;font-size:14px}
.menu-btn{display:none}
@media(max-width:900px){
  .menu-btn{display:inline-flex;margin-inline-start:auto}
  .primary-nav{display:none;position:absolute;inset-inline:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 20px}
  .primary-nav.open{display:block}.nav{flex-direction:column;gap:6px}.nav a{display:block;padding:10px 0}
  .header-actions .btn--wa{display:none}
}

/* الهيرو */
.hero{position:relative;background:var(--hero);color:var(--hf);overflow:hidden;padding:clamp(56px,9vw,120px) 0 clamp(56px,7vw,96px);isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
  linear-gradient(180deg,rgba(8,20,26,.55),rgba(8,20,26,.9)),var(--hero-img,none) center/cover,
  linear-gradient(180deg,#0B2A3C 0%,#0F4A57 55%,#0F6B73 100%)}
.hero::after{content:"";position:absolute;inset-inline:0;bottom:0;height:46%;z-index:-1;opacity:.5;
  background:repeating-linear-gradient(180deg,transparent 0 22px,rgba(224,185,90,.18) 22px 23px);
  mask-image:linear-gradient(180deg,transparent,#000 70%);-webkit-mask-image:linear-gradient(180deg,transparent,#000 70%)}
.hero h1{font-size:clamp(32px,5.6vw,66px);line-height:1.2;max-width:15em;margin:0 0 18px;letter-spacing:-.01em}
.hero__lead{max-width:34em;font-size:clamp(16px,1.6vw,19px);color:#D3E0E2;margin:0 0 30px}
.ai-search{display:flex;gap:10px;flex-wrap:wrap;background:var(--card);color:var(--fg);padding:10px;border-radius:16px;max-width:860px;box-shadow:0 24px 60px -24px rgba(0,0,0,.6)}
.ai-search input{flex:1;min-width:220px;min-height:52px;border:0;background:transparent;color:inherit;font:400 17px 'Readex Pro',sans-serif;padding:0 14px}
.ai-search input:focus-visible{outline:none}.ai-search:focus-within{outline:3px solid var(--gold)}
.ai-search .btn{min-height:52px}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px;font-size:14px;color:#D3E0E2}
.chip{min-height:36px;padding:0 14px;border-radius:99px;border:1px solid rgba(246,241,231,.35);background:transparent;color:var(--hf);font:400 14px 'Readex Pro',sans-serif;cursor:pointer}
.chip:hover{background:rgba(246,241,231,.12)}
.ai-note{min-height:28px;margin:16px 0 0;color:var(--gold);font-weight:500}

/* الأقسام */
.section{padding:clamp(40px,6vw,76px) 0}
.section--tint{background:var(--tint)}
.section__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.more{color:var(--ac);font-weight:600}
.page-head{padding:clamp(32px,5vw,56px) 0 8px}
.page-head h1{font-size:clamp(28px,4vw,44px);margin:0}
.crumbs{font-size:14px;color:var(--mut);margin-bottom:8px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.card__media{position:relative;display:block;aspect-ratio:3/2;background:var(--line);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover}
.ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;text-align:center;padding:16px;color:var(--mut);font-weight:600;background:linear-gradient(135deg,var(--line),var(--tint))}
.badge{position:absolute;top:10px;inset-inline-end:10px;background:var(--hero);color:var(--hf);font-size:12px;padding:2px 12px;border-radius:99px}
.badge--solid{position:static;display:inline-block;margin-inline-end:8px;vertical-align:middle}
.card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:4px;flex:1}
.card__area{font-size:14px;color:var(--ac);font-weight:600}
.card__title{margin:0;font-size:19px}
.card__price{font-size:18px;font-weight:700;margin:4px 0 12px}
.card__excerpt{margin:0;color:var(--mut);font-size:15px}
.card__actions{display:flex;gap:8px;margin-top:auto}
.card__actions .btn{flex:1;min-height:42px;padding:0 10px;font-size:14px}

.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.tile{display:flex;flex-direction:column;gap:2px;padding:22px 20px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);border-inline-start:5px solid var(--gold)}
.tile:nth-child(3n+2){border-inline-start-color:var(--ac)}.tile:nth-child(3n){border-inline-start-color:var(--fg)}
.tile strong{font-size:19px}.tile span{color:var(--mut);font-size:14px}
.tile:hover{border-color:var(--ac)}

.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px;margin-top:20px}
.services>div{border-top:3px solid var(--ac);padding-top:14px}.services p{color:var(--mut);margin:0}

.steps-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.steps{list-style:none;counter-reset:s;margin:20px 0 0;padding:0;display:grid;gap:20px}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;column-gap:14px}
.steps li::before{content:counter(s);grid-row:span 2;width:44px;height:44px;border-radius:50%;background:var(--fg);color:var(--bg);display:flex;align-items:center;justify-content:center;font-weight:700}
.steps strong{font-size:18px}.steps span{color:var(--mut)}
@media(max-width:820px){.steps-wrap{grid-template-columns:1fr}}

.box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:20px}
.box h3{margin-top:0}

/* الحاسبة */
.calc label{display:block;margin:14px 0 4px;font-size:14px;color:var(--mut)}
.calc select,.calc input[type=range]{width:100%}
select,input[type=text],input[type=tel],input[type=email],input[type=number],input[type=search],textarea{width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);font:400 15px 'Readex Pro',sans-serif;padding:8px 12px}
input[type=range]{accent-color:var(--ac);min-height:32px;padding:0}
.calc__out{margin-top:18px;font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--ac)}
.calc__sub{color:var(--mut);font-size:14px}.calc__note{font-size:13px;color:var(--mut);margin:10px 0 0}

/* CTA */
.cta{background:var(--hero);color:var(--hf)}
.cta__inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.cta p{color:#D3E0E2}.cta .box{color:var(--fg);margin:0}
@media(max-width:820px){.cta__inner{grid-template-columns:1fr}}

/* نموذج العميل */
.lead-form{display:grid;gap:10px}.lead-form label{display:grid;gap:4px;font-size:14px;color:var(--mut)}
.lead-form .check{display:flex;gap:8px;align-items:flex-start}.lead-form .check input{margin-top:6px;width:auto;min-height:0}
.hp{position:absolute;inset-inline-start:-9999px}
.lead-form__status{min-height:24px;margin:0;font-weight:600;color:var(--ac)}

/* الأرشيف والفلاتر */
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;align-items:end;margin-bottom:12px}
.filters label{display:grid;gap:4px;font-size:14px;color:var(--mut)}
.pagination ul{list-style:none;display:flex;gap:6px;justify-content:center;padding:0;margin:32px 0 0}
.pagination a,.pagination span{display:inline-flex;min-width:40px;min-height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;padding:0 10px}
.pagination .current{background:var(--ac);color:var(--on);border-color:var(--ac)}

/* صفحة المشروع */
.project-price{font-size:24px;font-weight:700;margin:8px 0 0}
.project-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:36px;align-items:start}
@media(max-width:980px){.project-layout{grid-template-columns:1fr}}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:28px}
.gallery__item{display:block;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--line)}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.gallery__item:hover img{transform:scale(1.04)}
.gallery__item--main{grid-column:span 4;aspect-ratio:16/9}
.gallery--empty{display:block;aspect-ratio:16/9;border-radius:12px;overflow:hidden}
@media(max-width:600px){.gallery{grid-template-columns:repeat(2,1fr)}.gallery__item--main{grid-column:span 2}}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0 0 28px}
.facts>div{background:var(--card);padding:14px 16px}.facts dt{font-size:13px;color:var(--mut)}.facts dd{margin:0;font-weight:600}
.prose{max-width:70ch}.prose p,.prose li{color:var(--fg)}.prose h2,.prose h3{margin-top:1.6em}
.prose a{color:var(--ac);text-decoration:underline}
.ticks{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px 20px}
.ticks li{padding-inline-start:26px;position:relative}
.ticks li::before{content:"";position:absolute;inset-inline-start:0;top:.7em;width:14px;height:8px;border-inline-start:3px solid var(--ac);border-bottom:3px solid var(--ac);transform:rotate(-45deg) translateY(-50%)}
.embed{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;margin-bottom:24px}.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:8px}
.faq summary{cursor:pointer;font-weight:600}.faq p{margin:8px 0 0;color:var(--mut)}
.sticky{position:sticky;top:90px}
.sticky-wa{position:fixed;inset-inline:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:40;display:none;min-height:50px;border-radius:12px;background:var(--wa);color:#fff;font-weight:700;align-items:center;justify-content:center;box-shadow:0 12px 30px -10px rgba(0,0,0,.5)}
@media(max-width:980px){.sticky-wa{display:flex}.chat-fab{bottom:calc(84px + env(safe-area-inset-bottom,0px))}}
.hero-img{border-radius:14px;overflow:hidden;margin-bottom:28px}
.post-cta{margin-top:32px}

/* الفوتر */
.site-footer{background:var(--hero);color:#CFDCDF;padding:48px 0 calc(24px + env(safe-area-inset-bottom,0px));font-size:15px}
.site-footer h3{color:var(--hf);font-size:16px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:32px}
.foot-nav{flex-direction:column;gap:8px}.site-footer a:hover{color:var(--gold)}
.site-footer .brand__name{color:var(--hf);font-size:22px;letter-spacing:.14em;font-weight:700}
.footer-note{margin-top:32px;padding-top:18px;border-top:1px solid rgba(246,241,231,.15);font-size:13px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr}}

/* لايت بوكس وقوائم */
.lightbox{border:0;padding:0;background:transparent;max-width:96vw;max-height:94vh;overflow:visible}
.lightbox::backdrop{background:rgba(5,12,16,.88)}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:10px;margin:auto}
.lightbox .icon-btn{position:fixed;top:50%;background:rgba(0,0,0,.5);color:#fff;border-color:transparent;font-size:24px}
.lightbox__prev{inset-inline-start:12px}.lightbox__next{inset-inline-end:12px}.lightbox__x{top:14px!important;inset-inline-end:14px}
.sheet{width:min(1100px,94vw);max-height:90vh;border:1px solid var(--line);border-radius:16px;background:var(--bg);color:var(--fg);padding:0}
.sheet::backdrop{background:rgba(5,12,16,.6)}
.sheet__head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}.sheet__head h2{margin:0;font-size:20px}
.sheet__body{padding:20px}

/* الشات */
.chat-fab{position:fixed;inset-inline-end:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;min-height:52px;padding:0 22px;border:0;border-radius:99px;background:var(--ac);color:var(--on);font:600 15px 'Readex Pro',sans-serif;cursor:pointer;box-shadow:0 14px 34px -12px rgba(0,0,0,.55)}
.chat{position:fixed;inset-inline-end:18px;bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:70;width:min(390px,100vw - 24px);height:min(560px,calc(100dvh - 120px));display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 70px -20px rgba(0,0,0,.55);overflow:hidden}
.chat__head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--hero);color:var(--hf)}
.chat__head .icon-btn{color:var(--hf);border-color:rgba(246,241,231,.3);min-height:34px;min-width:34px}
.chat__msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:88%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;font-size:15px;line-height:1.65}
.msg--user{align-self:flex-start;background:var(--ac);color:var(--on)}
.msg--bot{align-self:flex-end;background:var(--tint)}
.msg--typing{opacity:.6}
.mini{display:flex;gap:10px;align-items:center;margin-top:8px;padding:8px;background:var(--card);border:1px solid var(--line);border-radius:10px;font-size:14px;white-space:normal}
.mini img{width:54px;height:44px;object-fit:cover;border-radius:6px}.mini b{display:block}
.chat__form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}.chat__form .btn{min-height:46px;padding:0 16px}
.chat__foot{margin:0;padding:0 12px 10px;font-size:12px;color:var(--mut)}.chat__foot a{text-decoration:underline}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}