/* ============ TAAMIRAAT.IR — black/red rack-lab theme ============ */
:root{
  --bg:#0a0a0b;
  --panel:#131316;
  --panel-2:#1a1a1f;
  --line:#26262c;
  --red:#e5232d;
  --red-deep:#7d1016;
  --text:#ededef;
  --muted:#8f8f99;
  --mono:'JetBrains Mono','Courier New',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:Vazirmatn,Tahoma,sans-serif;line-height:1.8;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:780px}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.red{color:var(--red)}
.small{font-size:.8rem}
.center{text-align:center}
h1{font-size:2.6rem;font-weight:800;line-height:1.4}
h2{font-size:1.9rem;font-weight:800}
h3{font-size:1.15rem;font-weight:700}
.lead{font-size:1.15rem}

/* ---- buttons ---- */
.btn{display:inline-block;padding:.55rem 1.3rem;border-radius:8px;border:1px solid var(--line);font-weight:700;transition:.2s;cursor:pointer;font-family:inherit;font-size:1rem}
.btn-red{background:var(--red);border-color:var(--red);color:#fff;box-shadow:0 0 24px rgba(229,35,45,.35)}
.btn-red:hover{background:#ff3540;box-shadow:0 0 36px rgba(229,35,45,.55)}
.btn-ghost{background:transparent;color:var(--text)}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}
.btn.big{padding:.85rem 2rem;font-size:1.05rem}
.btn.full{width:100%}

/* ---- header ---- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.25rem}
.brand-dot{color:var(--red);font-family:var(--mono);font-size:1rem}
.brand-led{width:10px;height:10px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav a:not(.btn):hover{color:var(--red)}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.6rem;cursor:pointer}

/* ---- hero / rack ---- */
.hero{padding:64px 0 40px;background:
  radial-gradient(ellipse 60% 50% at 50% -10%,rgba(229,35,45,.14),transparent),var(--bg)}
.rack{display:flex;align-items:stretch}
.rack-ear{width:26px;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;position:relative}
.rack-ear::before,.rack-ear::after{content:'';position:absolute;right:8px;width:9px;height:9px;border-radius:50%;background:var(--bg);border:1px solid var(--line)}
.rack-ear::before{top:16px}.rack-ear::after{bottom:16px}
.rack-body{flex:1;background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:10px;margin:0 10px;padding:42px 44px;position:relative;overflow:hidden}
.rack-body::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(180deg,transparent 0 46px,rgba(255,255,255,.018) 46px 47px);pointer-events:none}
.rack-status{display:flex;align-items:center;gap:8px;margin-bottom:1.4rem;font-size:.78rem;color:var(--muted);letter-spacing:1px}
.led{width:9px;height:9px;border-radius:50%;display:inline-block;background:#2a2a31}
.led.on{background:var(--red);box-shadow:0 0 8px var(--red)}
.led.blink{background:var(--red);box-shadow:0 0 8px var(--red);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{background:#2a2a31;box-shadow:none}}
.status-text{margin-right:8px}
.hero-sub{margin:1.2rem 0 1.8rem;max-width:620px;color:var(--muted);font-size:1.1rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-ports{display:flex;gap:7px;margin-top:2.2rem}
.port{width:22px;height:16px;border-radius:3px;background:#0d0d10;border:1px solid var(--line)}
.port.active{border-color:var(--red-deep);box-shadow:inset 0 -3px 0 var(--red)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;text-align:center}
.stat-num{display:block;font-size:1.7rem;font-weight:800}

/* ---- sections ---- */
.section{padding:80px 0}
.section.alt{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:2.4rem}
.row-between{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.eyebrow{display:block;color:var(--red);font-size:.78rem;letter-spacing:2px;margin-bottom:.5rem}
.page-top{padding-top:56px}

/* ---- cards / services ---- */
.grid{display:grid;gap:18px}
.services-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px;transition:.2s;display:block}
.card:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:0 10px 30px rgba(229,35,45,.12)}
.service-icon{font-size:2rem;margin-bottom:.8rem}
.service-icon.inline{font-size:1.6rem}
.service-card p{margin:.4rem 0 1rem}
.card-link{font-size:.88rem;font-weight:700}

/* ---- steps ---- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.step{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:22px}
.step-led{display:block;width:10px;height:10px;border-radius:50%;background:var(--red);box-shadow:0 0 9px var(--red);margin-bottom:.9rem}
.step h3{font-size:1rem;margin-bottom:.4rem}
.step p{font-size:.88rem}

/* ---- news ---- */
.news-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.news-card{padding:0;overflow:hidden}
.news-img{height:170px;background-size:cover;background-position:center;border-bottom:1px solid var(--line)}
.news-img.placeholder{display:flex;align-items:center;justify-content:center;color:#3a3a42;letter-spacing:4px;background:repeating-linear-gradient(45deg,#101013 0 12px,#0c0c0f 12px 24px)}
.news-body{padding:20px 22px 24px}
.news-body h3{margin:.4rem 0 .5rem}
.news-body p{font-size:.92rem}
.news-hero-img{border-radius:12px;border:1px solid var(--line);margin:1.2rem 0}

/* ---- CTA band ---- */
.cta-band{background:linear-gradient(135deg,var(--red-deep),#3d0a0d);border-top:1px solid var(--red)}
.cta-inner{text-align:center}
.cta-inner h2{margin-bottom:.6rem}
.cta-inner p{margin-bottom:1.6rem;color:#e8b9bc}
.cta-inner .btn-red{background:#fff;border-color:#fff;color:var(--red-deep);box-shadow:none}
.cta-inner .btn-red:hover{background:#ffe3e4}

/* ---- prose / misc ---- */
.prose{margin:1.4rem 0 2rem;color:#cfcfd6}
.prose p{margin-bottom:1rem}
.divider{height:1px;background:var(--line);margin:2.4rem 0 1.4rem}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:.8rem}
.chip{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:.35rem 1rem;font-size:.88rem}
.chip:hover{border-color:var(--red);color:var(--red)}

/* ---- form ---- */
.form{margin-top:1.6rem}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:1rem;display:flex;flex-direction:column}
.field label{font-size:.88rem;color:var(--muted);margin-bottom:.35rem}
.field input,.field select,.field textarea{background:#0d0d10;border:1px solid var(--line);border-radius:8px;padding:.65rem .9rem;color:var(--text);font-family:inherit;font-size:1rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(229,35,45,.15)}
.errorlist{color:var(--red);font-size:.8rem;list-style:none;margin-top:.3rem}
.form-error{background:rgba(229,35,45,.1);border:1px solid var(--red);border-radius:8px;padding:.7rem 1rem;margin-bottom:1rem;color:#ffb3b7}
.done-led{width:18px;height:18px;border-radius:50%;background:var(--red);box-shadow:0 0 22px var(--red);margin:0 auto 1.2rem;animation:pulse 2s infinite}

/* ---- footer ---- */
.footer{border-top:1px solid var(--line);background:var(--panel);padding:50px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding-bottom:36px}
.footer h4{margin-bottom:.7rem;color:var(--red)}
.footer a{display:block;color:var(--muted);margin-bottom:.4rem}
.footer a:hover{color:var(--red)}
.footer-bottom{border-top:1px solid var(--line);padding:16px 20px;font-size:.75rem;letter-spacing:1px;text-align:center}

/* ---- responsive ---- */
@media (max-width:820px){
  h1{font-size:1.9rem}
  .rack-body{padding:28px 22px}
  .rack-ear{display:none}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .nav{position:fixed;inset:66px 0 auto 0;background:var(--panel);flex-direction:column;padding:1.4rem;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav-toggle{display:block}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* ---- clients ---- */
.section-head.center{text-align:center}
.clients-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;max-width:980px;margin:0 auto}
.client-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:26px 18px;display:flex;flex-direction:column;align-items:center;gap:.7rem;text-align:center;transition:.25s;position:relative;overflow:hidden}
.client-card::after{content:'';position:absolute;inset:auto 0 0 0;height:2px;background:linear-gradient(90deg,transparent,var(--red),transparent);opacity:0;transition:.25s}
.client-card:hover{border-color:var(--red);transform:translateY(-3px)}
.client-card:hover::after{opacity:1}
.client-mark{font-size:1.7rem;color:var(--red);text-shadow:0 0 16px rgba(229,35,45,.6)}
.client-logo{height:46px;width:auto;object-fit:contain;filter:grayscale(1) brightness(1.6);transition:.25s}
.client-card:hover .client-logo{filter:none}
.client-name{font-weight:700;font-size:.95rem}

/* ---- brands marquee ---- */
.brands-band{padding:34px 0 38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel);overflow:hidden}
.brands-band .eyebrow{margin-bottom:1.1rem}
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:inline-flex;gap:14px;white-space:nowrap;animation:scroll 38s linear infinite;will-change:transform}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.brand-chip{display:inline-block;padding:.5rem 1.4rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--muted);font-size:.92rem;letter-spacing:1px;transition:.2s}
.brand-chip:hover{border-color:var(--red);color:var(--text);box-shadow:0 0 18px rgba(229,35,45,.25)}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none;flex-wrap:wrap;white-space:normal}}