/* ===========================================================
   CHANNEL — أجهزة كمبيوتر
   Design tokens:
   ink       #12151C  (deep navy-black — text, dark sections)
   paper     #EDEEF0  (cool light gray — page background)
   paper-2   #E2E4E8  (panel background)
   white     #FAFAFB
   blue      #2454C7  (signal — primary accent)
   amber     #E8A33D  (calibration — secondary accent, used sparingly)
   =========================================================== */

:root{
  --ink:#12151C;
  --paper:#EDEEF0;
  --paper-2:#E2E4E8;
  --white:#FAFAFB;
  --blue:#2454C7;
  --blue-dim:#1c3f9c;
  --amber:#E8A33D;
  --muted:#565B66;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans Arabic', sans-serif;
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
}

h1,h2,h3,.display{
  font-family:'Tajawal', sans-serif;
  font-weight:900;
  line-height:1.2;
}

.mono{
  font-family:'IBM Plex Mono', monospace;
  letter-spacing:.02em;
}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}

.wrap{
  max-width:1140px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- channel-ticks signature divider ---------- */
.ticks{
  display:flex;
  align-items:flex-end;
  gap:5px;
  height:22px;
  padding:0 2px;
  overflow:hidden;
}
.ticks span{
  width:2px;
  background:var(--ink);
  opacity:.18;
  flex-shrink:0;
}
.ticks span:nth-child(4n){height:100%;}
.ticks span:nth-child(4n+1){height:55%;}
.ticks span:nth-child(4n+2){height:75%;}
.ticks span:nth-child(4n+3){height:40%;}
.ticks span.on{
  background:var(--amber);
  opacity:1;
  height:100% !important;
}

.ticks-row{padding:36px 0;}

/* ---------- header / nav ---------- */
header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  background:rgba(237,238,240,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(18,21,28,0.08);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 32px;
  max-width:1140px;
  margin:0 auto;
}
.logo{
  font-family:'Tajawal', sans-serif;
  font-weight:900;
  font-size:1.5rem;
  letter-spacing:-.02em;
  display:flex;
  align-items:center;
  gap:8px;
}
.logo::before{
  content:"";
  display:inline-block;
  width:10px;height:10px;
  background:var(--amber);
  border-radius:1px;
}
.nav-links{
  display:flex;
  gap:38px;
  font-size:.95rem;
}
.nav-links a{
  position:relative;
  padding-bottom:5px;
  transition:color .25s;
}
.nav-links a::after{
  content:"";
  position:absolute;
  right:0;bottom:0;
  width:0;height:2px;
  background:var(--blue);
  transition:width .3s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after{width:100%;}
.nav-links a:hover{color:var(--blue);}
.nav-links a.active{color:var(--blue);}

.nav-cta{
  background:var(--ink);
  color:var(--white);
  padding:10px 24px;
  border-radius:3px;
  font-size:.9rem;
  transition:background .25s, transform .25s;
}
.nav-cta:hover{background:var(--blue);transform:translateY(-2px);}

.nav-toggle{display:none;}

@media(max-width:820px){
  .nav-links{display:none;}
  .nav-toggle{
    display:block;
    font-size:1.5rem;
    background:none;border:none;color:var(--ink);cursor:pointer;
  }
}

/* ---------- hero ---------- */
.hero{
  min-height:78vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:140px;
  padding-bottom:60px;
  position:relative;
}
.hero-eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:.82rem;
  letter-spacing:.12em;
  color:var(--blue);
  margin-bottom:20px;
  opacity:0;
  animation:riseIn .8s .1s ease forwards;
}
.hero h1{
  font-size:clamp(2.6rem, 6.4vw, 4.6rem);
  max-width:820px;
  opacity:0;
  animation:riseIn .9s .25s ease forwards;
}
.hero p{
  max-width:540px;
  font-size:1.1rem;
  color:var(--muted);
  margin-top:24px;
  opacity:0;
  animation:riseIn .9s .45s ease forwards;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:38px;
  opacity:0;
  animation:riseIn .9s .6s ease forwards;
}

@keyframes riseIn{
  from{opacity:0; transform:translateY(18px);}
  to{opacity:1; transform:translateY(0);}
}

.btn-primary{
  background:var(--blue);
  color:var(--white);
  padding:14px 30px;
  border-radius:3px;
  font-size:.95rem;
  display:inline-block;
  transition:transform .25s, background .25s;
  border:1px solid var(--blue);
}
.btn-primary:hover{background:var(--blue-dim);transform:translateY(-2px);}

.btn-ghost{
  padding:14px 26px;
  font-size:.95rem;
  border:1px solid var(--ink);
  border-radius:3px;
  transition:background .25s, color .25s;
}
.btn-ghost:hover{background:var(--ink);color:var(--white);}

/* ---------- section generic ---------- */
section{padding:100px 0;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:.8rem;
  letter-spacing:.12em;
  color:var(--blue);
  margin-bottom:14px;
}
.section-head{max-width:620px;margin-bottom:60px;}
.section-head h2{font-size:clamp(1.9rem,4vw,2.6rem);}
.section-head p{color:var(--muted);margin-top:16px;font-size:1.05rem;}

.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- about narrative (home) ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.about-visual{
  aspect-ratio:4/5;
  background:var(--ink);
  border-radius:3px;
  position:relative;
  overflow:hidden;
  padding:36px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.about-visual .mono{color:rgba(250,250,251,0.4);font-size:.8rem;}
.about-visual .display{
  color:var(--white);
  font-size:2.4rem;
}
.about-visual .ticks span{background:rgba(250,250,251,0.25);}
.about-visual .ticks span.on{background:var(--amber);}

.about-text p{color:var(--muted);margin-bottom:18px;font-size:1.05rem;}
.about-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:40px;
}
.stat-num{
  font-family:'Tajawal', sans-serif;
  font-weight:900;
  font-size:2rem;
  color:var(--blue);
}
.stat-label{font-size:.82rem;color:var(--muted);margin-top:4px;}

@media(max-width:820px){
  .about-grid{grid-template-columns:1fr;}
  .about-stats{grid-template-columns:1fr 1fr;}
}

/* ---------- feature / why-us cards ---------- */
.features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2px;
  background:rgba(18,21,28,0.08);
}
.feature-card{
  background:var(--paper);
  padding:36px 28px;
  transition:background .3s;
}
.feature-card:hover{background:var(--white);}
.feature-num{
  font-family:'IBM Plex Mono', monospace;
  font-size:.85rem;
  color:var(--amber);
  display:block;
  margin-bottom:20px;
}
.feature-card h3{font-family:'IBM Plex Sans Arabic';font-weight:700;font-size:1.05rem;margin-bottom:10px;}
.feature-card p{font-size:.92rem;color:var(--muted);}

@media(max-width:900px){.features-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.features-grid{grid-template-columns:1fr;}}

/* ---------- product grid ---------- */
.products-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:rgba(18,21,28,0.08);
}
.product-card{
  background:var(--paper);
  padding:32px 28px;
  transition:background .3s;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.product-card:hover{background:var(--white);}
.product-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
}
.product-tag{
  font-family:'IBM Plex Mono', monospace;
  font-size:.72rem;
  color:var(--blue);
  border:1px solid var(--blue);
  padding:3px 9px;
  border-radius:20px;
}
.product-card h3{font-family:'IBM Plex Sans Arabic';font-weight:700;font-size:1.15rem;}
.product-card .desc{font-size:.9rem;color:var(--muted);}

.spec-meter{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:6px;
}
.spec-row{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.78rem;
  color:var(--muted);
}
.spec-row .mono{min-width:74px;}
.spec-bar{
  flex:1;
  height:5px;
  background:var(--paper-2);
  border-radius:3px;
  overflow:hidden;
}
.spec-bar i{
  display:block;
  height:100%;
  background:var(--blue);
  border-radius:3px;
}

.product-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed rgba(18,21,28,0.15);
}
.product-price{
  font-family:'IBM Plex Mono', monospace;
  font-weight:600;
  color:var(--ink);
}
.product-link{
  font-size:.85rem;
  color:var(--blue);
  border-bottom:1px solid var(--blue);
}
.product-link:hover{color:var(--blue-dim);border-color:var(--blue-dim);}

@media(max-width:900px){.products-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.products-grid{grid-template-columns:1fr;}}

/* ---------- categories strip (products page) ---------- */
.cat-strip{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:56px;
}
.cat-pill{
  font-family:'IBM Plex Mono', monospace;
  font-size:.82rem;
  padding:9px 18px;
  border:1px solid rgba(18,21,28,0.2);
  border-radius:20px;
  color:var(--muted);
}
.cat-pill.active{
  background:var(--ink);
  color:var(--white);
  border-color:var(--ink);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);
  color:var(--white);
  text-align:center;
}
.cta-band .eyebrow{color:var(--amber);}
.cta-band h2{font-size:clamp(1.9rem,4.2vw,2.8rem);margin-bottom:18px;}
.cta-band p{max-width:480px;margin:0 auto 34px;color:rgba(250,250,251,0.75);font-size:1.05rem;}

/* ---------- contact page ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:70px;
}
.form-group{margin-bottom:22px;}
.form-group label{
  display:block;
  font-size:.85rem;
  color:var(--muted);
  margin-bottom:8px;
}
.form-group input,
.form-group textarea{
  width:100%;
  background:var(--white);
  border:1px solid rgba(18,21,28,0.18);
  border-radius:3px;
  padding:13px 16px;
  font-family:'IBM Plex Sans Arabic', sans-serif;
  font-size:.95rem;
  color:var(--ink);
  transition:border-color .25s;
}
.form-group input:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--blue);
}
.form-group textarea{resize:vertical;min-height:130px;}

.submit-btn{
  background:var(--blue);
  color:var(--white);
  border:none;
  padding:14px 32px;
  border-radius:3px;
  font-size:.95rem;
  font-family:'IBM Plex Sans Arabic', sans-serif;
  cursor:pointer;
  transition:background .25s, transform .25s;
}
.submit-btn:hover{background:var(--blue-dim);transform:translateY(-2px);}

.info-panel{
  background:var(--ink);
  color:var(--white);
  padding:44px 36px;
  border-radius:3px;
  height:fit-content;
}
.info-panel h3{font-family:'Tajawal';font-weight:900;font-size:1.3rem;margin-bottom:28px;}
.info-item{
  display:flex;
  gap:14px;
  margin-bottom:24px;
  align-items:flex-start;
}
.info-item .mono{
  color:var(--amber);
  font-size:.78rem;
  min-width:70px;
  padding-top:2px;
}
.info-item div{font-size:.95rem;color:rgba(250,250,251,0.9);}
.info-item small{display:block;color:rgba(250,250,251,0.55);font-size:.8rem;margin-top:2px;}

.social-row{
  display:flex;
  gap:14px;
  margin-top:30px;
  padding-top:26px;
  border-top:1px solid rgba(250,250,251,0.15);
}
.social-row a{
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  color:rgba(250,250,251,0.7);
  border:1px solid rgba(250,250,251,0.25);
  padding:7px 14px;
  border-radius:20px;
  transition:border-color .25s, color .25s;
}
.social-row a:hover{border-color:var(--amber);color:var(--amber);}

@media(max-width:820px){
  .contact-grid{grid-template-columns:1fr;}
}

/* ---------- footer ---------- */
footer{
  padding:50px 0 40px;
  border-top:1px solid rgba(18,21,28,0.1);
}
.footer-row{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  justify-content:space-between;
  align-items:center;
  font-size:.86rem;
  color:var(--muted);
}
.footer-links{display:flex;gap:26px;}
.footer-links a:hover{color:var(--blue);}