/* ============================================================
   ROBOTICO TEAM — الهوية الرسمية
   ذهبي #C9A227 · أسود #0C0C10 · عاجي #F6F3EC
   الثيم: [data-theme="day"] و [data-theme="night"]
   ============================================================ */

:root{
  --gold:#C9A227;
  --gold-bright:#E8C766;
  --gold-deep:#8A6D1F;
  --black:#0C0C10;
  --charcoal:#16161C;
  --charcoal-2:#1F1F27;
  --ivory:#F6F3EC;
  --ivory-2:#EDE8DC;
  --display:'Alexandria',system-ui,sans-serif;
  --body:'Almarai',system-ui,sans-serif;
  --r:18px;
  --r-lg:26px;
  --ease:cubic-bezier(.22,.8,.28,1);
}

/* ---------- الثيم النهاري ---------- */
[data-theme="day"]{
  --bg:var(--ivory);
  --bg-2:#FFFFFF;
  --bg-3:var(--ivory-2);
  --ink:#14140F;
  --muted:#5C584C;
  --line:#DCD5C4;
  --accent:var(--gold-deep);
  --accent-soft:rgba(201,162,39,.12);
  --card-shadow:0 20px 50px -25px rgba(20,20,15,.35);
  --nav-bg:rgba(246,243,236,.85);
  --hero-glow:radial-gradient(700px 420px at 50% 0%, rgba(201,162,39,.16), transparent 65%);
}

/* ---------- الثيم الليلي ---------- */
[data-theme="night"]{
  --bg:var(--black);
  --bg-2:var(--charcoal);
  --bg-3:var(--charcoal-2);
  --ink:#F1EDE2;
  --muted:#A9A28F;
  --line:#2C2C36;
  --accent:var(--gold-bright);
  --accent-soft:rgba(232,199,102,.10);
  --card-shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --nav-bg:rgba(12,12,16,.82);
  --hero-glow:radial-gradient(700px 420px at 50% 0%, rgba(201,162,39,.14), transparent 65%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .45s var(--ease), color .45s var(--ease);
}
h1,h2,h3,h4{font-family:var(--display);line-height:1.35;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:24px}
::selection{background:var(--gold);color:var(--black)}

/* ============ خلفية الدوائر الإلكترونية ============ */
.circuit-bg{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
}

/* ============ الشريط العلوي ============ */
.nav{
  position:fixed;top:0;inset-inline:0;z-index:90;
  background:var(--nav-bg);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .45s var(--ease);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:14px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:48px;height:48px;border-radius:50%;border:2px solid var(--gold);box-shadow:0 0 0 3px var(--accent-soft)}
.brand-text{line-height:1.15}
.brand-name{font-family:var(--display);font-weight:800;font-size:1.22rem;color:var(--ink);display:block}
.brand-sub{font-size:.62rem;letter-spacing:3.5px;color:var(--accent);font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:9px 16px;border-radius:12px;font-weight:700;font-size:.98rem;color:var(--muted);
  transition:.25s var(--ease);position:relative;
}
.nav-links a::after{
  content:"";position:absolute;bottom:4px;inset-inline:16px;height:2px;border-radius:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:center;transition:transform .3s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);cursor:pointer;
  background:var(--bg-2);color:var(--ink);display:flex;align-items:center;justify-content:center;
  transition:.25s var(--ease);
}
.icon-btn:hover{border-color:var(--gold);color:var(--accent);transform:translateY(-2px)}
.icon-btn svg{width:21px;height:21px;stroke:currentColor}
.burger{display:none}

/* ============ الأزرار ============ */
.btn{
  font-family:var(--display);font-weight:700;font-size:1.02rem;cursor:pointer;border:0;
  padding:15px 34px;border-radius:14px;display:inline-flex;align-items:center;gap:10px;
  transition:.3s var(--ease);position:relative;overflow:hidden;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold) 55%,var(--gold-deep));
  color:var(--black);
  box-shadow:0 14px 32px -14px rgba(201,162,39,.7);
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 20px 40px -14px rgba(201,162,39,.85)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--gold);color:var(--accent);transform:translateY(-3px)}

/* ============ الهيرو: اللوغو والتروس ============ */
.hero{
  position:relative;min-height:calc(100vh - 76px);margin-top:76px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  background:var(--hero-glow);
  overflow:hidden;padding:60px 24px 90px;
}
.hero-inner{max-width:820px;position:relative;z-index:3}
.logo-stage{position:relative;width:min(330px,64vw);aspect-ratio:1;margin:0 auto 34px}
.logo-stage .logo{
  position:absolute;inset:13%;border-radius:50%;object-fit:cover;z-index:3;
  border:3px solid var(--gold);
  box-shadow:0 0 0 6px var(--accent-soft), 0 30px 70px -30px rgba(201,162,39,.65);
  animation:logoIn 1.1s var(--ease) both;
}
@keyframes logoIn{from{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}

/* التروس الدوارة */
.gear{position:absolute;z-index:2;color:var(--gold);opacity:.9;filter:drop-shadow(0 6px 14px rgba(201,162,39,.35))}
.gear svg{width:100%;height:100%;display:block}
.gear-ring{inset:0;animation:spin 26s linear infinite;opacity:.55;color:var(--accent)}
.gear-1{width:19%;top:-4%;inset-inline-start:9%;animation:spin 9s linear infinite}
.gear-2{width:13%;bottom:2%;inset-inline-end:5%;animation:spinR 7s linear infinite}
.gear-3{width:10%;top:16%;inset-inline-end:-3%;animation:spin 12s linear infinite;opacity:.7}
.gear-4{width:9%;bottom:14%;inset-inline-start:-2%;animation:spinR 11s linear infinite;opacity:.7}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spinR{to{transform:rotate(-360deg)}}

.hero .kicker{
  display:inline-block;font-weight:800;font-size:.85rem;letter-spacing:4px;color:var(--accent);
  border:1px solid var(--line);background:var(--bg-2);padding:8px 20px;border-radius:999px;margin-bottom:20px;
  animation:rise .9s .15s var(--ease) both;
}
.hero h1{
  font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800;margin-bottom:18px;
  animation:rise .9s .3s var(--ease) both;
}
.hero h1 .gold-text{
  background:linear-gradient(120deg,var(--gold-deep),var(--gold) 40%,var(--gold-bright) 60%,var(--gold-deep));
  background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 5s linear infinite;
}
@keyframes shine{to{background-position:200% center}}
.hero p{
  font-size:1.14rem;color:var(--muted);max-width:640px;margin:0 auto 34px;
  animation:rise .9s .45s var(--ease) both;
}
.hero .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;animation:rise .9s .6s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

.scroll-hint{
  position:absolute;bottom:26px;inset-inline:0;display:flex;justify-content:center;z-index:3;
  color:var(--muted);font-size:.85rem;letter-spacing:2px;animation:rise 1s .9s var(--ease) both;
}
.scroll-hint span{display:flex;flex-direction:column;align-items:center;gap:6px}
.scroll-hint svg{width:20px;height:20px;stroke:var(--accent);animation:hint 2s ease-in-out infinite}
@keyframes hint{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* ============ الأقسام العامة ============ */
.section{padding:88px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:.82rem;
  letter-spacing:3px;color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800}
.section-lead{color:var(--muted);font-size:1.08rem;max-width:660px;margin-top:12px}

/* ظهور عند التمرير */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.12s}.reveal.d2{transition-delay:.24s}.reveal.d3{transition-delay:.36s}

/* ============ البطاقات ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;transition:.35s var(--ease);position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;inset-inline:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:0;transition:.35s;
}
.card:hover{transform:translateY(-7px);box-shadow:var(--card-shadow);border-color:var(--gold-deep)}
.card:hover::before{opacity:1}
.card-ic{
  width:56px;height:56px;border-radius:16px;margin-bottom:18px;
  background:linear-gradient(135deg,var(--charcoal),var(--black));
  border:1px solid var(--gold-deep);
  display:flex;align-items:center;justify-content:center;
}
.card-ic svg{width:26px;height:26px;stroke:var(--gold-bright)}
.card h3{font-size:1.28rem;margin-bottom:10px}
.card p{color:var(--muted)}

/* ============ قسم بِكسي (صورة حقيقية) ============ */
.pixie-photo{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);box-shadow:var(--card-shadow);
  background:var(--bg-2);
}
.pixie-photo img{width:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pixie-photo:hover img{transform:scale(1.035)}
.pixie-photo .badge{
  position:absolute;top:18px;inset-inline-start:18px;
  background:rgba(12,12,16,.82);color:var(--gold-bright);
  font-weight:800;font-size:.82rem;letter-spacing:2px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--gold-deep);
  backdrop-filter:blur(8px);
}
.spec-list{list-style:none;display:flex;flex-direction:column;gap:13px;margin-top:24px}
.spec-list li{display:flex;gap:13px;align-items:flex-start}
.spec-list .tick{
  width:24px;height:24px;flex:none;margin-top:5px;border-radius:7px;
  background:var(--accent-soft);border:1px solid var(--gold-deep);
  display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:.75rem;font-weight:800;
}
.spec-list b{font-family:var(--display)}
.spec-list span{color:var(--muted)}

/* ============ بروفايلات الفريق ============ */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.profile{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 28px;text-align:center;transition:.35s var(--ease);position:relative;overflow:hidden;
}
.profile::after{
  content:"";position:absolute;bottom:0;inset-inline:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  transform:scaleX(0);transition:.4s var(--ease);
}
.profile:hover{transform:translateY(-8px);box-shadow:var(--card-shadow);border-color:var(--gold-deep)}
.profile:hover::after{transform:scaleX(1)}
.profile .photo{
  width:118px;height:118px;border-radius:50%;margin:0 auto 18px;overflow:hidden;
  border:3px solid var(--gold);box-shadow:0 0 0 6px var(--accent-soft);
  background:linear-gradient(135deg,var(--charcoal),var(--black));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-size:2.3rem;font-weight:800;color:var(--gold-bright);
}
.profile .photo img{width:100%;height:100%;object-fit:cover}
.profile h3{font-size:1.25rem}
.profile .role{color:var(--accent);font-weight:800;font-size:.92rem;letter-spacing:.5px;margin:4px 0 10px}
.profile .bio{color:var(--muted);font-size:.95rem}
.profile .links{display:flex;justify-content:center;gap:10px;margin-top:16px}
.profile .links a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.25s;
}
.profile .links a:hover{border-color:var(--gold);color:var(--accent);transform:translateY(-2px)}
.profile .links svg{width:17px;height:17px;stroke:currentColor}
.profile.supervisor{
  background:linear-gradient(160deg,var(--charcoal),var(--black));
  border-color:var(--gold-deep);
}
.profile.supervisor h3{color:var(--ivory)}
.profile.supervisor .bio{color:#B8B29E}
.profile.supervisor .role{color:var(--gold-bright)}

/* ============ النافذة الجانبية ============ */
.side-tab{
  position:fixed;top:50%;inset-inline-end:0;transform:translateY(-50%);z-index:85;
  writing-mode:vertical-rl;
  background:linear-gradient(180deg,var(--gold-bright),var(--gold-deep));
  color:var(--black);font-family:var(--display);font-weight:800;font-size:.95rem;letter-spacing:2px;
  padding:20px 11px;border-radius:14px 0 0 14px;cursor:pointer;border:0;
  box-shadow:-8px 0 26px -10px rgba(201,162,39,.55);
  transition:.3s var(--ease);
}
.side-tab:hover{padding-inline-end:18px}
.sidebar{
  position:fixed;top:0;bottom:0;inset-inline-end:0;width:min(360px,88vw);z-index:100;
  background:var(--bg-2);border-inline-start:1px solid var(--line);
  box-shadow:-30px 0 70px -30px rgba(0,0,0,.5);
  transform:translateX(-105%);
  transition:transform .5s var(--ease);
  display:flex;flex-direction:column;padding:26px;
}
.sidebar.open{transform:translateX(0)}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.sidebar-head h3{font-size:1.2rem}
.sidebar-sub{color:var(--muted);font-size:.9rem;margin-bottom:22px}
.side-card{
  border:1.5px dashed var(--gold-deep);border-radius:var(--r);padding:22px;margin-bottom:16px;
  background:var(--accent-soft);
}
.side-card h4{display:flex;align-items:center;gap:10px;font-size:1.05rem;margin-bottom:6px}
.side-card h4 svg{width:20px;height:20px;stroke:var(--accent)}
.side-card p{color:var(--muted);font-size:.9rem}
.side-card .soon{
  display:inline-block;margin-top:12px;font-size:.75rem;font-weight:800;letter-spacing:2px;
  color:var(--black);background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  padding:5px 14px;border-radius:999px;
}
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(3px);z-index:95;
  opacity:0;pointer-events:none;transition:opacity .4s;
}
.overlay.show{opacity:1;pointer-events:auto}

/* ============ انتقال الصفحات ============ */
.page-wipe{
  position:fixed;inset:0;z-index:200;pointer-events:none;
  background:linear-gradient(135deg,var(--black) 0%,var(--charcoal) 55%,var(--gold-deep) 130%);
  transform:translateY(101%);
  display:flex;align-items:center;justify-content:center;
}
.page-wipe img{width:86px;height:86px;border-radius:50%;border:2px solid var(--gold);opacity:0}
.page-wipe.enter{animation:wipeIn .55s var(--ease) forwards}
.page-wipe.enter img{animation:pop .45s .15s var(--ease) forwards}
.page-wipe.leave{transform:translateY(0);animation:wipeOut .55s .25s var(--ease) forwards}
.page-wipe.leave img{opacity:1;animation:pop2 .5s var(--ease) forwards}
@keyframes wipeIn{to{transform:translateY(0)}}
@keyframes wipeOut{to{transform:translateY(-101%)}}
@keyframes pop{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}
@keyframes pop2{to{opacity:0;transform:scale(1.25)}}
main.page-body{animation:pageIn .7s var(--ease) both}
@keyframes pageIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* ============ نموذج التواصل ============ */
form.contact{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--card-shadow);
}
.field{margin-bottom:18px}
.field label{display:block;font-weight:800;font-size:.93rem;margin-bottom:8px}
.field input,.field textarea{
  width:100%;font-family:var(--body);font-size:1rem;color:var(--ink);
  padding:14px 16px;border-radius:14px;border:1.5px solid var(--line);background:var(--bg-3);
  transition:.25s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:var(--bg-2)}
.field textarea{min-height:130px;resize:vertical}
.ci{display:flex;gap:15px;align-items:center;margin-bottom:22px}
.ci-ic{
  width:50px;height:50px;flex:none;border-radius:14px;background:var(--accent-soft);
  border:1px solid var(--gold-deep);display:flex;align-items:center;justify-content:center;
}
.ci-ic svg{width:23px;height:23px;stroke:var(--accent)}
.ci b{font-family:var(--display);display:block}
.ci span{color:var(--muted);font-size:.94rem}

/* ============ الفوتر ============ */
footer{
  background:linear-gradient(180deg,var(--charcoal),var(--black));
  color:#B8B29E;margin-top:40px;border-top:1px solid var(--gold-deep);
}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap;padding:44px 0 26px}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand img{width:46px;height:46px;border-radius:50%;border:2px solid var(--gold)}
.foot-brand .brand-name{color:var(--ivory)}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a{color:#B8B29E;transition:.25s}
.foot-links a:hover{color:var(--gold-bright)}
.foot-copy{border-top:1px solid #26262e;text-align:center;padding:18px 0 26px;font-size:.86rem;color:#8d876f}

/* ============ التجاوب ============ */
@media(max-width:960px){
  .grid-3,.team-grid{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .nav-links{
    position:fixed;top:76px;inset-inline:0;flex-direction:column;gap:4px;
    background:var(--nav-bg);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:18px 24px 22px;
    transform:translateY(-130%);transition:.4s var(--ease);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;text-align:center;padding:13px}
  .burger{display:flex}
}
@media(max-width:600px){
  .grid-3,.team-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .hero{padding-top:30px}
  .card,form.contact{padding:26px}
  .side-tab{font-size:.8rem;padding:15px 9px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:8px}