/* =========================================================
   TOKENS
========================================================= */
:root{
  --navy-950:#080d19;
  --navy-900:#0b1120;
  --navy-800:#111a2e;
  --navy-700:#182440;
  --navy-600:#24365c;
  --ink:#f4f2ec;
  --ink-dim:#aab2c5;
  --teal:#2dd4bf;
  --teal-dim:#1a8f80;
  --gold:#d4af37;
  --gold-soft:#e8c766;
  --danger:#e0645a;

  --font-display:'Tajawal', 'JetBrains Mono', sans-serif;
  --font-body:'Tajawal', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius-s:10px;
  --radius-m:18px;
  --radius-l:28px;
  --ease:cubic-bezier(.22,.9,.3,1);
}

html[lang="en"]{
  --font-display:'JetBrains Mono', 'Tajawal', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
html[dir="rtl"] body{font-family:'Tajawal', sans-serif;}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;}
ul{margin:0;padding:0;list-style:none;}

body.lang-fading main,
body.lang-fading .footer{
  animation:langFade .5s var(--ease);
}
@keyframes langFade{
  0%{opacity:1;}
  40%{opacity:.35; filter:blur(2px);}
  100%{opacity:1; filter:blur(0);}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

/* =========================================================
   LOADER
========================================================= */
.loader{
  position:fixed; inset:0; z-index:999;
  background:var(--navy-950);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
.loader.done{opacity:0; visibility:hidden; pointer-events:none;}
.loader-grid{
  display:grid; grid-template-columns:repeat(3,14px); grid-template-rows:repeat(3,14px); gap:8px;
}
.loader-grid span{
  border-radius:5px;
  background:var(--teal);
  opacity:.15;
  animation:loaderPulse 1.1s ease-in-out infinite;
}
.loader-grid span:nth-child(1){animation-delay:.0s}
.loader-grid span:nth-child(2){animation-delay:.06s}
.loader-grid span:nth-child(3){animation-delay:.12s}
.loader-grid span:nth-child(4){animation-delay:.06s}
.loader-grid span:nth-child(5){animation-delay:.12s; background:var(--gold);}
.loader-grid span:nth-child(6){animation-delay:.18s}
.loader-grid span:nth-child(7){animation-delay:.12s}
.loader-grid span:nth-child(8){animation-delay:.18s}
.loader-grid span:nth-child(9){animation-delay:.24s}
@keyframes loaderPulse{
  0%,100%{opacity:.15; transform:scale(.85);}
  50%{opacity:1; transform:scale(1);}
}

/* =========================================================
   NAV
========================================================= */
.nav{
  position:fixed; top:0; inset-inline:0; z-index:100;
  padding:18px 0;
  transition:padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.nav.scrolled{
  padding:10px 0;
  background:rgba(8,13,25,.78);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 8px 30px rgba(0,0,0,.35);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{
  max-width:1180px; margin:0 auto; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand{display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-weight:600; font-size:1rem;}
.brand-mark{color:var(--teal); font-weight:700;}
.brand-name{letter-spacing:.02em;}

.nav-links{display:flex; align-items:center; gap:30px;}
.nav-links a{
  font-size:.95rem; color:var(--ink-dim); position:relative; padding:4px 0;
  transition:color .25s var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a::after{
  content:''; position:absolute; bottom:-2px; inset-inline:0; height:2px;
  background:var(--teal); transform:scaleX(0); transform-origin:center;
  transition:transform .3s var(--ease);
}
.nav-links a:hover::after{transform:scaleX(1);}

.nav-actions{display:flex; align-items:center; gap:14px;}

.lang-switch{
  position:relative; display:flex; background:var(--navy-800); border:1px solid var(--navy-600);
  border-radius:999px; padding:3px; width:84px;
}
.lang-btn{
  flex:1; z-index:1; font-family:var(--font-mono); font-size:.72rem; font-weight:600;
  letter-spacing:.06em; padding:7px 0; text-align:center; color:var(--ink-dim);
  transition:color .25s var(--ease);
}
.lang-btn.active{color:var(--navy-950);}
.lang-thumb{
  position:absolute; top:3px; bottom:3px; width:calc(50% - 3px);
  background:var(--teal); border-radius:999px;
  transition:transform .35s var(--ease);
  inset-inline-start:3px;
}
html[dir="rtl"] .lang-thumb.pos-1{transform:translateX(-100%);}
html[dir="ltr"] .lang-thumb.pos-1{transform:translateX(100%);}

.burger{
  display:none; flex-direction:column; gap:5px; padding:6px; z-index:5;
}
.burger span{width:22px; height:2px; background:var(--ink); border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease);}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center;
  padding:120px 24px 60px;
  overflow:hidden;
}
.hero-bg{position:absolute; inset:0; z-index:0;}
.grid-field{
  position:absolute; inset:-10%;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(circle at 30% 40%, black, transparent 70%);
}
.glow{position:absolute; border-radius:50%; filter:blur(90px); opacity:.35;}
.glow-teal{width:420px; height:420px; background:var(--teal); top:-10%; inset-inline-start:-8%; animation:drift 14s ease-in-out infinite;}
.glow-gold{width:340px; height:340px; background:var(--gold); bottom:-10%; inset-inline-end:0%; animation:drift 18s ease-in-out infinite reverse;}
@keyframes drift{
  0%,100%{transform:translate(0,0);}
  50%{transform:translate(30px,-20px);}
}

.hero-inner{
  position:relative; z-index:1;
  max-width:1180px; margin:0 auto;
  display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center;
}

.eyebrow{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.14em;
  color:var(--teal); text-transform:uppercase; margin:0 0 18px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:''; width:24px; height:1px; background:var(--teal);}

.hero-title{
  font-family:var(--font-display); font-weight:800; margin:0 0 22px;
  font-size:clamp(2.4rem, 5.4vw, 4.2rem); line-height:1.08; letter-spacing:-.01em;
}
.hero-title .line{display:block;}
.hero-title .accent{color:var(--teal);}

.hero-desc{
  font-size:1.08rem; line-height:1.8; color:var(--ink-dim); max-width:52ch; margin:0 0 34px;
}

.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px;}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:14px 26px;
  border-radius:999px; font-size:.95rem; font-weight:700; transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.btn svg{transition:transform .3s var(--ease);}
html[dir="rtl"] .btn svg{transform:scaleX(-1);}
.btn-primary{
  background:var(--teal); color:var(--navy-950);
  box-shadow:0 10px 30px -8px rgba(45,212,191,.55);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 16px 36px -8px rgba(45,212,191,.7);}
.btn-primary:hover svg{transform:translateX(3px);}
html[dir="rtl"] .btn-primary:hover svg{transform:scaleX(-1) translateX(3px);}
.btn-ghost{
  border:1px solid var(--navy-600); color:var(--ink);
}
.btn-ghost:hover{border-color:var(--teal); color:var(--teal); transform:translateY(-2px);}

.hero-stats{display:flex; gap:34px; flex-wrap:wrap;}
.stat{display:flex; flex-direction:column; gap:4px;}
.stat-num{font-family:var(--font-mono); font-size:1.6rem; font-weight:700; color:var(--gold-soft);}
.stat-label{font-size:.82rem; color:var(--ink-dim); max-width:14ch;}

/* ---- phone mockup ---- */
.hero-visual{position:relative; display:flex; justify-content:center;}
.phone{
  position:relative; width:270px; height:560px;
  background:linear-gradient(155deg, var(--navy-700), var(--navy-950));
  border-radius:42px; padding:14px;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 40px 80px -20px rgba(0,0,0,.6), inset 0 0 0 1px rgba(255,255,255,.03);
  animation:floatPhone 6s ease-in-out infinite;
}
@keyframes floatPhone{
  0%,100%{transform:translateY(0) rotate(-1.5deg);}
  50%{transform:translateY(-14px) rotate(1deg);}
}
.phone-notch{
  position:absolute; top:14px; left:50%; transform:translateX(-50%);
  width:90px; height:22px; background:var(--navy-950); border-radius:0 0 16px 16px; z-index:3;
}
.phone-screen{
  position:relative; width:100%; height:100%; border-radius:30px; overflow:hidden;
  background:radial-gradient(circle at 30% 0%, #1c2a4a, #0c1424 70%);
  display:flex; flex-direction:column; padding:34px 16px 18px;
}
.phone-status{display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:.65rem; color:var(--ink-dim); margin-bottom:20px;}
.phone-clock{display:flex; flex-direction:column; align-items:center; margin-bottom:22px;}
.pc-time{font-family:var(--font-mono); font-size:2.4rem; font-weight:600; letter-spacing:-.02em;}
.pc-date{font-size:.75rem; color:var(--ink-dim); margin-top:2px;}

.app-grid{
  flex:1; display:grid; grid-template-columns:repeat(4, 1fr); gap:16px 10px; align-content:start;
}
.app-icon{
  display:flex; flex-direction:column; align-items:center; gap:5px;
  opacity:0; transform:translateY(10px) scale(.7);
  animation:popIcon .5s var(--ease) forwards;
}
.app-icon .glyph{
  width:44px; height:44px; border-radius:13px; display:flex; align-items:center; justify-content:center;
  font-size:1.2rem; box-shadow:0 6px 14px -6px rgba(0,0,0,.5);
}
.app-icon .label{font-size:.55rem; color:var(--ink-dim); text-align:center; max-width:48px; line-height:1.2;}
@keyframes popIcon{ to{opacity:1; transform:translateY(0) scale(1);} }

.phone-dock{
  margin-top:14px; padding:10px; border-radius:20px; background:rgba(255,255,255,.06);
  display:flex; justify-content:space-around; backdrop-filter:blur(6px);
}
.dock-icon{width:34px; height:34px; border-radius:10px;}
.dock-1{background:linear-gradient(135deg,var(--teal),var(--teal-dim));}
.dock-2{background:linear-gradient(135deg,var(--gold),#a97f1c);}
.dock-3{background:linear-gradient(135deg,#7c8cf8,#4a54c9);}
.dock-4{background:linear-gradient(135deg,#e0645a,#a8342c);}

.phone-shadow{
  position:absolute; bottom:-30px; left:50%; transform:translateX(-50%);
  width:200px; height:36px; background:radial-gradient(ellipse, rgba(0,0,0,.5), transparent 70%);
}

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  width:26px; height:42px; border:2px solid var(--navy-600); border-radius:14px; z-index:1;
}
.scroll-cue span{
  position:absolute; top:7px; left:50%; transform:translateX(-50%);
  width:4px; height:8px; background:var(--teal); border-radius:2px;
  animation:cue 1.6s ease-in-out infinite;
}
@keyframes cue{0%{opacity:1; top:7px;} 100%{opacity:0; top:22px;}}

/* =========================================================
   SECTIONS - generic
========================================================= */
.section{padding:110px 24px;}
.section-dark{background:var(--navy-950);}
.section-inner{max-width:1180px; margin:0 auto;}
.section-head{max-width:640px; margin-bottom:56px;}
.tag{
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--gold-soft); margin:0 0 12px;
}
.section-title{
  font-family:var(--font-display); font-size:clamp(1.8rem,3.4vw,2.6rem); font-weight:800;
  margin:0; line-height:1.25;
}
.section-sub{color:var(--ink-dim); margin-top:14px; font-size:1rem; line-height:1.7;}

/* reveal-on-scroll */
.reveal{opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in{opacity:1; transform:translateY(0);}
.hero-copy .reveal:nth-child(1){transition-delay:.05s}
.hero-copy .reveal:nth-child(2){transition-delay:.15s}
.hero-copy .reveal:nth-child(3){transition-delay:.25s}
.hero-copy .reveal:nth-child(4){transition-delay:.35s}
.hero-copy .reveal:nth-child(5){transition-delay:.45s}
.hero-visual.reveal{transition-delay:.3s}

/* =========================================================
   ABOUT
========================================================= */
.about-grid{display:grid; grid-template-columns:.7fr 1.3fr; gap:50px;}
.lead{font-size:1.08rem; line-height:1.9; color:var(--ink-dim); margin:0 0 18px;}
.about-mini{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:30px;}
.mini-card{
  padding:20px; border:1px solid var(--navy-700); border-radius:var(--radius-m);
  background:linear-gradient(160deg, var(--navy-800), transparent);
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.mini-card:hover{border-color:var(--teal); transform:translateY(-4px);}
.mini-num{font-family:var(--font-mono); color:var(--teal); font-weight:700; font-size:.85rem;}
.mini-card p{margin:10px 0 0; font-size:.9rem; line-height:1.6; color:var(--ink-dim);}

/* =========================================================
   STACK
========================================================= */
.stack-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
.stack-card{
  padding:30px 24px; border-radius:var(--radius-m); background:var(--navy-800);
  border:1px solid var(--navy-700);
  transition:transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.stack-card:hover{transform:translateY(-6px); border-color:var(--teal); background:var(--navy-700);}
.stack-icon{font-size:1.8rem; display:block; margin-bottom:16px;}
.stack-card h3{margin:0 0 8px; font-size:1.05rem; font-family:var(--font-mono);}
.stack-card p{margin:0; font-size:.85rem; color:var(--ink-dim); line-height:1.6;}

/* =========================================================
   WORK / PORTFOLIO
========================================================= */
.work-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.work-card{
  position:relative; border-radius:var(--radius-l); padding:28px;
  background:linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border:1px solid var(--navy-700); overflow:hidden;
  transition:transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
  opacity:0; transform:translateY(30px);
}
.work-card.in{opacity:1; transform:translateY(0);}
.work-card:hover{
  transform:translateY(-8px);
  border-color:var(--teal);
  box-shadow:0 24px 50px -20px rgba(0,0,0,.6);
}
.work-card::before{
  content:''; position:absolute; inset:0; opacity:0; transition:opacity .4s var(--ease);
  background:radial-gradient(circle at 85% -10%, rgba(45,212,191,.18), transparent 60%);
}
.work-card:hover::before{opacity:1;}

.work-icon{
  width:56px; height:56px; border-radius:16px; display:flex; align-items:center; justify-content:center;
  font-size:1.6rem; margin-bottom:20px; box-shadow:0 10px 24px -10px rgba(0,0,0,.5);
}
.work-card h3{font-family:var(--font-display); font-size:1.15rem; margin:0 0 10px; font-weight:700;}
.work-card p{font-size:.9rem; color:var(--ink-dim); line-height:1.7; margin:0 0 20px; min-height:4.8em;}
.work-tags{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px;}
.work-tags span{
  font-family:var(--font-mono); font-size:.68rem; padding:4px 10px; border-radius:999px;
  background:var(--navy-700); color:var(--ink-dim); border:1px solid var(--navy-600);
}
.work-link{
  display:inline-flex; align-items:center; gap:6px; font-size:.85rem; font-weight:700; color:var(--teal);
  position:relative; z-index:1;
}
.work-link svg{width:14px; height:14px;}
html[dir="rtl"] .work-link svg{transform:scaleX(-1);}

/* =========================================================
   CONTACT
========================================================= */
.contact-inner{display:flex; flex-direction:column; align-items:flex-start; gap:20px;}
.contact-actions{display:flex; align-items:center; gap:26px; flex-wrap:wrap; margin-top:10px;}
.social-row{display:flex; gap:14px;}
.social-icon{
  width:44px; height:44px; border-radius:50%; border:1px solid var(--navy-600);
  display:flex; align-items:center; justify-content:center; color:var(--ink-dim);
  transition:all .3s var(--ease);
}
.social-icon:hover{border-color:var(--teal); color:var(--teal); transform:translateY(-3px);}

/* =========================================================
   FOOTER
========================================================= */
.footer{padding:36px 24px; border-top:1px solid var(--navy-800);}
.footer-inner{
  max-width:1180px; margin:0 auto; display:flex; align-items:center; gap:12px;
  color:var(--ink-dim); font-size:.85rem;
}
.footer .brand-mark{color:var(--teal);}

.scroll-top{
  position:fixed; bottom:26px; inset-inline-end:26px; z-index:60;
  width:46px; height:46px; border-radius:50%; background:var(--teal); color:var(--navy-950);
  display:flex; align-items:center; justify-content:center;
  opacity:0; transform:translateY(12px); pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease);
  box-shadow:0 12px 26px -8px rgba(45,212,191,.6);
}
.scroll-top.show{opacity:1; transform:translateY(0); pointer-events:auto;}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr; text-align:center;}
  .eyebrow{justify-content:center;}
  .hero-actions{justify-content:center;}
  .hero-stats{justify-content:center;}
  .hero-desc{margin-inline:auto;}
  .hero-visual{order:-1; margin-bottom:20px;}
  .phone{width:220px; height:460px;}
  .about-grid{grid-template-columns:1fr;}
  .about-mini{grid-template-columns:1fr;}
  .stack-grid{grid-template-columns:repeat(2,1fr);}
  .work-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:720px){
  .nav-links{
    position:fixed; top:0; inset-inline-end:0; height:100svh; width:min(78vw,320px);
    background:var(--navy-950); border-inline-start:1px solid var(--navy-800);
    flex-direction:column; justify-content:center; align-items:flex-start; gap:28px;
    padding:40px 32px; transform:translateX(100%); transition:transform .4s var(--ease);
  }
  html[dir="rtl"] .nav-links{transform:translateX(-100%);}
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:1.2rem;}
  .burger{display:flex;}

  .hero{padding-top:110px;}
  .hero-title{font-size:2.2rem;}
  .stack-grid{grid-template-columns:1fr 1fr; gap:14px;}
  .work-grid{grid-template-columns:1fr;}
  .about-mini{grid-template-columns:1fr;}
  .section{padding:80px 20px;}
  .phone{width:200px; height:420px;}
  .contact-actions{flex-direction:column; align-items:flex-start;}
}

@media (max-width:420px){
  .hero-stats{gap:20px;}
  .stat-label{max-width:none;}
}