:root{
  --bg:#07080a;
  --bg-2:#0d1014;
  --panel:rgba(18,22,28,.78);
  --panel-2:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --text:#f5f7fb;
  --muted:#a8b0bc;
  --soft:#dfe7f4;
  --accent:#4cc2ff;
  --accent-2:#7b61ff;
  --warm:#ff9a3d;
  --good:#73ffd1;
  --shadow:0 30px 80px rgba(0,0,0,.45);
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --shell:min(1240px, calc(100vw - 40px));
  --font-en:'Inter',system-ui,-apple-system,sans-serif;
  --font-fa:'Estedad','IRANSansX','IRANSans','Vazirmatn',Tahoma,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(76,194,255,.08), transparent 30%),
    radial-gradient(circle at 85% 18%, rgba(123,97,255,.08), transparent 24%),
    linear-gradient(180deg,#050608 0%,#080b0f 40%,#050608 100%);
  font-family:var(--font-en);
  overflow-x:hidden;
}
body.rtl{font-family:var(--font-fa)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
.shell{width:var(--shell);margin-inline:auto}
.noise{position:fixed;inset:0;pointer-events:none;opacity:.06;background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.45) .4px,transparent .6px);background-size:12px 12px;mix-blend-mode:soft-light}
.bg-orb{position:fixed;inset:auto;filter:blur(90px);pointer-events:none;opacity:.35;z-index:0}
.orb-1{width:420px;height:420px;background:#118dff33;top:-120px;left:-90px}
.orb-2{width:360px;height:360px;background:#9f50ff24;bottom:-100px;right:-60px}
.scroll-line{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--accent),#fff,var(--warm));width:0;z-index:1200;box-shadow:0 0 18px rgba(76,194,255,.55)}
.site-header{position:sticky;top:0;z-index:999;background:rgba(7,8,10,.48);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.3s ease}
.site-header.scrolled{border-color:var(--line);background:rgba(7,8,10,.72)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:18px 0;position:relative;z-index:5}
.nav-wrap.compact{padding:16px 0}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{width:52px;height:52px;border-radius:16px;background:linear-gradient(145deg,#10151d,#090b0e);border:1px solid rgba(255,255,255,.09);display:grid;place-items:center;font-weight:900;letter-spacing:.04em;box-shadow:var(--shadow);position:relative;overflow:hidden}
.brand-mark::after{content:'';position:absolute;inset:0;background:linear-gradient(145deg,transparent,rgba(76,194,255,.18));pointer-events:none}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:1rem;white-space:nowrap}
.brand-text small{color:var(--muted);font-size:.8rem}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:#e8edf7cc;font-size:.96rem;transition:.25s ease;position:relative}
.main-nav a::after{content:'';position:absolute;left:0;bottom:-8px;width:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--warm));transition:.25s ease}
.main-nav a:hover{color:#fff}.main-nav a:hover::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03)}
.lang-btn{border:0;background:transparent;color:var(--muted);padding:9px 14px;border-radius:999px;cursor:pointer;font-weight:700}
.lang-btn.active{background:linear-gradient(180deg,#ffffff0f,#ffffff08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.09)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:999px;border:1px solid transparent;transition:.25s ease;font-weight:700}
.btn:hover{transform:translateY(-2px)}
.btn-solid{background:linear-gradient(135deg,var(--accent),#3d7cff 70%);color:#041019;box-shadow:0 14px 30px rgba(76,194,255,.25)}
.btn-light{background:linear-gradient(135deg,#fff,#dbe3ef);color:#091019}
.btn-ghost{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.03);color:#f3f6fb}
.hero{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:42px;padding:72px 0 28px;align-items:center}
.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:#d6dce6;font-size:.88rem;letter-spacing:.14em;text-transform:uppercase}
.eyebrow span{display:block;width:46px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.hero h1,.section-head h2,.lab-banner h2,.about-copy h2,.contact-band h2,.case-copy h1{font-size:clamp(2.4rem,5vw,5rem);line-height:1.02;margin:0 0 18px;letter-spacing:-.04em}
.hero h1 em,.lab-hero h1 em{font-style:normal;color:#fff;text-shadow:0 0 18px rgba(255,255,255,.12)}
.hero-lead,.section-head p,.lab-copy p,.about-copy p,.contact-band p,.case-summary,.project-body p,.capability-card p,.signature-card p,.detail-card li,.detail-card p,.lab-note,.v9-demo-head p,.v9-result p{color:var(--muted);line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.hero-stats article,.glass-card,.project-card,.capability-card,.lab-point,.about-point,.detail-card,.v9-demo,.metric-card,.gallery-card,.benchmark-grid article,.stack-panel{background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(20px);box-shadow:var(--shadow)}
.hero-stats article{padding:18px;border-radius:20px}
.hero-stats strong{display:block;font-size:1.2rem;margin-bottom:5px}.hero-stats span{display:block;color:var(--muted);font-size:.92rem}
.hero-visual{position:relative;min-height:720px;display:grid;place-items:center}
.hero-visual::before{content:'';position:absolute;inset:0;border-radius:38px;background:
  linear-gradient(90deg, rgba(255,145,36,.18) 0%, rgba(255,145,36,.04) 35%, rgba(76,194,255,.04) 65%, rgba(76,194,255,.2) 100%),
  radial-gradient(circle at 28% 50%, rgba(255,145,36,.18), transparent 30%),
  radial-gradient(circle at 74% 42%, rgba(76,194,255,.18), transparent 28%),
  linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
}
.hero-visual::after{content:'';position:absolute;inset:34px;border-radius:32px;background:url('assets/mmb-ai-split-v13.webp') center/cover no-repeat;opacity:.26;mix-blend-mode:screen;filter:saturate(1.15)}
.hero-card{position:absolute;overflow:hidden;border-radius:30px;border:1px solid rgba(255,255,255,.1)}
.main-photo{width:min(540px,92%);height:min(680px,88%);bottom:20px;box-shadow:0 50px 100px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.05)}
.main-photo img{width:100%;height:100%;object-fit:cover;object-position:center top;filter:saturate(1.02) contrast(1.04)}
.profile-photo{width:170px;height:170px;right:14px;top:18px;border-radius:26px;box-shadow:0 18px 50px rgba(0,0,0,.35)}
.profile-photo img{width:100%;height:100%;object-fit:cover}
.hero-note{position:absolute;left:18px;bottom:42px;max-width:220px;padding:18px;border-radius:22px}
.hero-note span,.signature-card span,.section-kicker,.project-cat,.lab-hero-card span,.lab-status-panel span,.mode-panel-head small,.detail-card span,.contact-band small,.project-cat,.v9-demo-head span,.v9-demo-head em,.case-pairs article small{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:#d5deeb}
.hero-note p{margin:10px 0 0;color:var(--soft);line-height:1.7}

.hero-hotspots{position:absolute;inset:0;pointer-events:none}
.hero-hotspot{pointer-events:auto;position:absolute;border:1px solid rgba(255,255,255,.12);background:rgba(7,10,14,.62);backdrop-filter:blur(14px);color:#fff;padding:14px 18px;border-radius:999px;cursor:pointer;font-weight:700;letter-spacing:.02em;transition:.28s ease;box-shadow:0 18px 50px rgba(0,0,0,.3)}
.hero-hotspot.app{left:18px;top:86px}
.hero-hotspot.balanced{left:50%;transform:translateX(-50%);top:18px}
.hero-hotspot.ai{right:18px;top:128px}
.hero-hotspot.active,.hero-hotspot:hover{background:linear-gradient(135deg,rgba(76,194,255,.24),rgba(123,97,255,.22));border-color:rgba(255,255,255,.22);transform:translateY(-2px)}
.hero-hotspot.balanced.active,.hero-hotspot.balanced:hover{transform:translateX(-50%) translateY(-2px)}
.mode-panel{margin-top:28px;padding:18px 18px 16px;border-radius:24px;background:rgba(255,255,255,.025)}
.mode-panel-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:16px}
.mode-panel-head small{display:block;color:#fff}.mode-panel-head p{margin:0;color:var(--muted);font-size:.94rem}
.mode-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mode-card{appearance:none;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02);color:#fff;padding:14px;border-radius:18px;display:flex;flex-direction:column;gap:8px;text-align:start;cursor:pointer;transition:.28s ease}
.mode-card span{color:var(--muted);font-size:.88rem;line-height:1.6}
.mode-card.active,.mode-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.16);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03))}
.mode-current{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}
.mode-current h3{margin:0 0 8px;font-size:1.15rem}.mode-current p{margin:0;color:var(--muted);line-height:1.7}
body[data-mode='app']{--accent:#ffa03d}
body[data-mode='ai']{--accent:#4cc2ff}
body[data-mode='app'] .hero-visual::before{background:linear-gradient(90deg, rgba(255,145,36,.26) 0%, rgba(255,145,36,.08) 50%, rgba(76,194,255,.03) 100%),radial-gradient(circle at 28% 50%, rgba(255,145,36,.26), transparent 30%),linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
body[data-mode='ai'] .hero-visual::before{background:linear-gradient(90deg, rgba(255,145,36,.02) 0%, rgba(76,194,255,.08) 54%, rgba(76,194,255,.24) 100%),radial-gradient(circle at 74% 42%, rgba(76,194,255,.26), transparent 28%),linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
.signature{padding:12px 0 22px;position:relative;z-index:2}
.signature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.signature-card{padding:24px;border-radius:24px}.signature-card h3{margin:12px 0 10px;font-size:1.2rem}.signature-card p{margin:0}
.section{padding:80px 0;position:relative;z-index:2}.section.shellless{width:var(--shell);margin-inline:auto}
.section-head{display:grid;grid-template-columns:.42fr 1fr;gap:24px;align-items:start;margin-bottom:28px}
.section-head small{color:var(--muted)}
.filter-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.filter-chip{padding:12px 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#eef4ff;cursor:pointer;transition:.25s ease}
.filter-chip.active,.filter-chip:hover{background:linear-gradient(135deg,rgba(76,194,255,.16),rgba(123,97,255,.14));border-color:rgba(255,255,255,.15)}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.project-card{overflow:hidden;border-radius:28px;display:flex;flex-direction:column;transition:.28s ease}.project-card:hover{transform:translateY(-6px)}
.project-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden}.project-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.project-card:hover .project-thumb img{transform:scale(1.04)}
.project-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(0,0,0,.58) 100%)}
.project-cat{position:absolute;top:16px;left:16px;padding:8px 12px;border-radius:999px;background:rgba(8,10,14,.72);border:1px solid rgba(255,255,255,.11);z-index:2}
body.rtl .project-cat{left:auto;right:16px}
.project-body{padding:20px 22px 22px}.project-body h3{margin:0 0 12px;font-size:1.32rem}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.tag-row span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);font-size:.84rem;color:#eaf0ff}
.link-row{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:8px}.link-row a{color:#fff;font-weight:700}.link-row a:last-child{color:#7fd3ff}
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.capability-card{padding:24px;border-radius:24px}.capability-card span{display:inline-flex;margin-bottom:14px;font-weight:800;color:#96d8ff}.capability-card h3{margin:0 0 10px;font-size:1.16rem}
.lab-banner{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;padding:32px;border-radius:32px;background:linear-gradient(145deg,rgba(11,16,24,.95),rgba(13,17,23,.74));border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}
.lab-copy small{display:block;margin-bottom:10px;color:#96d8ff;letter-spacing:.14em;text-transform:uppercase}
.lab-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.lab-points{display:grid;gap:14px}.lab-point{padding:18px 20px;border-radius:20px;color:#edf2fc;line-height:1.7;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.025))}
.about-wrap{display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:start}
.about-points{display:grid;gap:12px;margin:22px 0}.about-point{padding:16px 18px;border-radius:18px;color:#eff4fd}
.disclosure{padding:20px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.03);margin-top:18px}.disclosure strong{display:block;margin-bottom:8px}.disclosure p{margin:0}
.disclosure.inline{display:flex;gap:12px;align-items:flex-start}.disclosure.inline strong{margin:2px 0 0}
.stack-panel{display:grid;gap:14px;padding:22px;border-radius:28px;position:sticky;top:100px}.stack-item{display:flex;justify-content:space-between;gap:16px;padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}
.stack-item b{font-size:1rem}.stack-item span{color:var(--muted)}
.contact-band{padding:32px;border-radius:32px;background:linear-gradient(145deg,rgba(12,14,18,.96),rgba(16,20,26,.76));display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;border:1px solid rgba(255,255,255,.08)}
.contact-links{display:flex;flex-direction:column;gap:14px;align-items:flex-start}.contact-links a{font-weight:700;color:#fff}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:0 0 44px;color:var(--muted);position:relative;z-index:2}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease, transform .6s ease}.reveal.visible{opacity:1;transform:none}.reveal.delay-1{transition-delay:.1s}

/* case study */
.project-page{position:relative;z-index:2;padding:50px 0 80px}.case-hero{display:grid;grid-template-columns:1fr .9fr;gap:30px;align-items:center;padding:28px 0 18px}.case-media img{width:100%;border-radius:30px;border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow)}
.case-summary{margin-top:12px}.case-pairs{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0}.case-pairs article{padding:24px;border-radius:24px}.case-pairs h3{margin:10px 0 0;line-height:1.6}.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.detail-card{padding:24px;border-radius:24px}.detail-card.dark{background:var(--panel)}.detail-card h3{margin:10px 0 16px}.detail-card ul{padding:0;margin:0;list-style:none;display:grid;gap:10px}.detail-card li{position:relative;padding-inline-start:18px}.detail-card li::before{content:'•';position:absolute;inset-inline-start:0;color:var(--accent)}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.gallery-card{margin:0;padding:10px;border-radius:24px;overflow:hidden}.gallery-card img{border-radius:18px;width:100%;height:100%;object-fit:cover}

/* lab */
.lab-page{position:relative;z-index:2;padding:48px 0 80px}.lab-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start;padding:24px 0 12px}.lab-status-panel{padding:26px;border-radius:30px}.api-status{display:flex;flex-direction:column;gap:6px;margin-top:12px}.api-status b{font-size:1.3rem}.online{color:#6af0c1}.offline{color:#ffb26e}
.transparency-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:22px 0 14px}.transparency-strip article{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line)}.transparency-strip b{display:block;margin-bottom:6px;font-size:.78rem;color:#dbe5f6;letter-spacing:.08em}.transparency-strip span{color:var(--muted);font-size:.92rem}
.lab-note{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line);margin-bottom:22px}
.v9-demo-stack{display:grid;gap:20px}.v9-demo{padding:22px;border-radius:28px}.v9-demo-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.v9-demo-head>div{flex:1}.v9-demo-head h2{margin:6px 0 8px;font-size:1.5rem}.v9-demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.v9-form label{display:flex;flex-direction:column;gap:8px;color:#edf2fc;font-size:.95rem}.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.v9-form textarea,.v9-form input{width:100%;background:rgba(255,255,255,.03);color:#fff;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:14px 16px;outline:none}.v9-form textarea:focus,.v9-form input:focus{border-color:rgba(76,194,255,.4);box-shadow:0 0 0 4px rgba(76,194,255,.08)}
.toggle-row{display:flex;gap:18px;flex-wrap:wrap;margin:16px 0;color:#dfe7f4}.v9-result{min-height:100%;padding:18px;border-radius:22px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.08)}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric-card{padding:16px;border-radius:18px}.metric-card span{display:block;font-size:.84rem;color:var(--muted);margin-bottom:8px}.metric-card strong{display:block;font-size:1.14rem}.metric-card small{display:block;margin-top:6px;color:#d6dfeb}
.source-box,.error-box{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);margin-top:14px}.error-box b{color:#ffae7a}.source-box b{display:block;margin-bottom:8px}.bar-list{display:grid;gap:10px;margin-top:14px}.bar-list div{display:grid;grid-template-columns:140px 1fr auto;gap:10px;align-items:center}.bar-list i{display:block;height:10px;border-radius:999px;background:linear-gradient(90deg,var(--accent),#75dcff)}
.result-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.result-chips span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06)}.loading{color:#fff}.benchmark-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.benchmark-grid article{padding:18px;border-radius:22px}.benchmark-grid pre,.v9-result pre{white-space:pre-wrap;word-break:break-word;color:#d8e2ee;font-size:.88rem;line-height:1.7}

/* rtl tune */
body.rtl .eyebrow, body.rtl .main-nav{direction:rtl}
body.rtl .hero-note, body.rtl .contact-links{align-items:flex-start}
body.rtl .bar-list div{grid-template-columns:auto 1fr 120px}
body.rtl .detail-card li{padding-inline-start:0;padding-inline-end:18px}
body.rtl .detail-card li::before{inset-inline-start:auto;inset-inline-end:0}

/* responsive */
@media (max-width:1100px){
  .main-nav{display:none}
  .hero,.lab-hero,.case-hero,.about-wrap,.lab-banner,.contact-band{grid-template-columns:1fr}
  .hero-visual{min-height:620px}
  .section-head{grid-template-columns:1fr}
  .project-grid,.capability-grid,.case-grid,.gallery-grid,.benchmark-grid,.signature-grid,.v9-demo-grid,.transparency-strip{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .shell{width:min(100vw - 24px, var(--shell))}
  .nav-wrap{gap:14px}.brand-mark{width:44px;height:44px;border-radius:14px}.brand-text strong{font-size:.92rem}.brand-text small{font-size:.74rem}
  .btn{padding:12px 18px}
  .hero{padding-top:36px;gap:22px}.hero-visual{min-height:480px}.main-photo{height:460px;bottom:12px}.profile-photo{width:104px;height:104px;top:12px;right:12px}.hero-note{display:none}.hero-hotspot.app,.hero-hotspot.ai{top:auto;bottom:18px}.hero-hotspot.app{left:12px}.hero-hotspot.ai{right:12px}.hero-hotspot.balanced{top:12px}
  .hero-stats,.signature-grid,.project-grid,.capability-grid,.case-pairs,.case-grid,.gallery-grid,.benchmark-grid,.transparency-strip,.v9-demo-grid,.fields{grid-template-columns:1fr}
  .mode-cards{grid-template-columns:1fr}
  .site-footer{flex-direction:column;align-items:flex-start}
  .v9-demo-head{flex-direction:column}
  .contact-band,.lab-banner,.stack-panel,.project-card,.capability-card,.signature-card,.detail-card,.v9-demo{border-radius:24px}
}