/* ============================================================
   QaliberLMS marketing site — design system
   Brand: navy #0E1A2B · cyan #5BD4F0 · Lato
   ============================================================ */
:root{
  --ink:#0E1A2B;
  --ink-2:#0A1420;
  --ink-3:#152238;
  --cyan:#5BD4F0;
  --cyan-2:#34c7e5;
  --cyan-deep:#0e93b4;
  --z-50:#fafafa; --z-100:#f4f4f5; --z-200:#e4e4e7; --z-300:#d4d4d8;
  --z-400:#a1a1aa; --z-500:#71717a; --z-600:#52525b; --z-700:#3f3f46; --z-900:#18181b;
  --amber:#f59e0b; --green:#10b981; --red:#ef4444;
  --radius:16px;
  --shadow-1:0 1px 2px rgba(14,26,43,.06),0 4px 16px rgba(14,26,43,.06);
  --shadow-2:0 2px 6px rgba(14,26,43,.08),0 18px 48px rgba(14,26,43,.14);
  --shadow-glow:0 0 0 1px rgba(91,212,240,.25),0 12px 60px rgba(91,212,240,.18);
  --max:1200px;
  --font:'Lato',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.6;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--cyan-deep);text-decoration:none}
a:hover{text-decoration:none}
::selection{background:rgba(91,212,240,.35)}

/* ---------- typography ---------- */
h1,h2,h3,h4{line-height:1.12;letter-spacing:-0.015em;font-weight:900;color:var(--ink)}
h1{font-size:clamp(2.4rem,5.4vw,4rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
h3{font-size:1.35rem;font-weight:800}
h4{font-size:1.05rem;font-weight:800}
p{color:var(--z-600)}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--z-600);font-weight:400}
.kicker{display:inline-flex;align-items:center;gap:.55rem;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-deep)}
.kicker::before{content:"";width:22px;height:2px;background:var(--cyan);border-radius:2px}
.dark .kicker,.band-dark .kicker{color:var(--cyan)}
.center{text-align:center}
.center .kicker::before{display:none}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:96px 0}
.band-tint{background:linear-gradient(180deg,var(--z-50),#fff)}
.band-gray{background:var(--z-50)}
.band-dark{background:radial-gradient(1200px 500px at 85% -10%,rgba(91,212,240,.13),transparent 60%),linear-gradient(180deg,var(--ink-2),var(--ink) 55%,var(--ink-2));color:#e8eef5}
.band-dark h1,.band-dark h2,.band-dark h3,.band-dark h4{color:#fff}
.band-dark p{color:#9fb0c3}
.sec-head{max-width:780px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto}
.sec-head h2{margin:14px 0 16px}

/* ---------- header ---------- */
.nav-wrap{position:sticky;top:0;z-index:100;background:rgba(14,26,43,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow .2s}
.nav-wrap.scrolled{box-shadow:0 8px 30px rgba(4,10,20,.45)}
.nav{display:flex;align-items:center;gap:28px;height:72px;max-width:var(--max);margin:0 auto;padding:0 24px}
.nav .logo img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{color:#cfdae6;font-weight:700;font-size:.95rem;padding:9px 14px;border-radius:10px;transition:color .15s,background .15s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:var(--cyan)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.nav-burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:transform .2s,opacity .2s}
.nav-mobile{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font);font-weight:800;font-size:.98rem;border-radius:12px;padding:13px 26px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(180deg,#6cdcf5,#34c7e5);color:#06222e;box-shadow:0 6px 22px rgba(52,199,229,.35)}
.btn-primary:hover{box-shadow:0 10px 30px rgba(52,199,229,.5);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff;border-color:rgba(255,255,255,.08)}
.btn-dark:hover{background:var(--ink-3)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-ghost-dark{background:transparent;color:var(--ink);border-color:var(--z-300)}
.btn-ghost-dark:hover{border-color:var(--ink);background:var(--z-50)}
.btn-lg{padding:16px 34px;font-size:1.05rem;border-radius:14px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:110px 0 0;background:
  radial-gradient(900px 480px at 12% -8%,rgba(91,212,240,.16),transparent 55%),
  radial-gradient(1100px 600px at 95% 8%,rgba(52,199,229,.10),transparent 60%),
  linear-gradient(180deg,#0A1420 0%,#0E1A2B 70%,#101f33 100%)}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1.4px);background-size:26px 26px;mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 75%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr;gap:56px;align-items:center}
.hero h1{color:#fff;margin:22px 0 20px}
.hero h1 em{font-style:normal;color:var(--cyan);position:relative}
.hero .lead{color:#a7b8ca;max-width:640px}
.hero-ctas{display:flex;gap:14px;margin:34px 0 18px;flex-wrap:wrap}
.hero-note{font-size:.88rem;color:#7e91a6}
.hero-shot{position:relative;margin-top:64px}
.hero-shot .browser{box-shadow:0 -20px 80px rgba(91,212,240,.14),0 40px 120px rgba(0,0,0,.55);border-radius:14px 14px 0 0}
.hero-badges{display:flex;gap:26px;flex-wrap:wrap;margin-top:26px}
.hero-badges div{display:flex;align-items:center;gap:9px;color:#8fa2b7;font-size:.9rem;font-weight:700}
.hero-badges svg{flex:none}

/* ---------- browser / phone frames ---------- */
.browser{background:#0d1724;border:1px solid rgba(255,255,255,.09);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-2)}
.browser-bar{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;background:linear-gradient(180deg,#16243a,#101c2e);border-bottom:1px solid rgba(255,255,255,.06)}
.browser-bar i{width:11px;height:11px;border-radius:50%;background:#2c3e57}
.browser-bar i:nth-child(1){background:#ff5f57}.browser-bar i:nth-child(2){background:#febc2e}.browser-bar i:nth-child(3){background:#28c840}
.browser-bar .url{margin-left:12px;flex:1;max-width:420px;height:22px;border-radius:6px;background:rgba(255,255,255,.07);display:flex;align-items:center;padding:0 12px;font-size:.72rem;color:#7e91a6;font-weight:600;letter-spacing:.02em}
.browser img{width:100%}
.light .browser{background:#fff;border-color:var(--z-200)}
.phone{width:100%;max-width:290px;border-radius:38px;border:1px solid rgba(255,255,255,.14);background:#0d1724;padding:10px;box-shadow:var(--shadow-2)}
.phone img{border-radius:28px}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--z-200);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--z-300)}
.card h3{margin:16px 0 10px}
.card h4{margin:14px 0 8px}
.card p{font-size:.96rem}
.band-dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.09);box-shadow:none}
.band-dark .card:hover{border-color:rgba(91,212,240,.4);transform:translateY(-3px)}
.icon-chip{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,rgba(91,212,240,.18),rgba(91,212,240,.06));border:1px solid rgba(91,212,240,.35);color:var(--cyan-deep)}
.band-dark .icon-chip{color:var(--cyan)}
.card ul{list-style:none;margin-top:12px}
.card ul li{position:relative;padding-left:22px;font-size:.92rem;color:var(--z-600);margin:7px 0}
.card ul li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:10px;border-radius:3px;background:linear-gradient(140deg,var(--cyan),var(--cyan-2))}
.band-dark .card ul li{color:#9fb0c3}

/* ---------- alternating feature rows ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0}
.feature-row.rev .f-copy{order:2}
.feature-row.rev .f-media{order:1}
.f-copy h2{font-size:clamp(1.7rem,2.8vw,2.3rem);margin:14px 0 16px}
.f-copy p{margin-bottom:14px}
.f-list{list-style:none;margin:20px 0 26px}
.f-list li{display:flex;gap:12px;margin:12px 0;color:var(--z-700);font-size:.98rem}
.f-list li strong{color:var(--ink)}
.f-list .tick{flex:none;width:22px;height:22px;border-radius:7px;background:linear-gradient(140deg,var(--cyan),var(--cyan-2));display:flex;align-items:center;justify-content:center;margin-top:2px}
.f-list .tick svg{width:13px;height:13px;stroke:#06222e;stroke-width:3;fill:none}
.band-dark .f-list li{color:#b9c7d6}
.band-dark .f-list li strong{color:#fff}
.f-media{position:relative}
.f-media .glow{position:absolute;inset:-8% -6%;background:radial-gradient(60% 60% at 50% 50%,rgba(91,212,240,.14),transparent 70%);z-index:0;pointer-events:none}
.f-media .browser,.f-media .phone{position:relative;z-index:1}
.link-more{font-weight:800;color:var(--cyan-deep);display:inline-flex;align-items:center;gap:.4rem}
.link-more:hover{gap:.65rem}
.link-more::after{content:"→";transition:inherit}
.band-dark .link-more{color:var(--cyan)}

/* ---------- stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat{text-align:center;padding:34px 18px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09)}
.stat b{display:block;font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:900;color:#fff;letter-spacing:-.02em}
.stat b i{font-style:normal;color:var(--cyan)}
.stat span{font-size:.88rem;color:#8fa2b7;font-weight:700}

/* ---------- pillar / tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{background:#fff;border:1px solid var(--z-200);border-radius:14px;padding:22px 20px;box-shadow:var(--shadow-1)}
.tile h4{font-size:.98rem;margin:12px 0 6px}
.tile p{font-size:.85rem;line-height:1.5}
.tile .icon-chip{width:38px;height:38px;border-radius:10px}

/* ---------- comparison table ---------- */
.compare{overflow-x:auto;border:1px solid var(--z-200);border-radius:var(--radius);box-shadow:var(--shadow-1);background:#fff}
.compare table{width:100%;border-collapse:collapse;min-width:760px}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:.95rem;border-bottom:1px solid var(--z-200);vertical-align:top}
.compare thead th{background:var(--ink);color:#fff;font-weight:800;font-size:.9rem;letter-spacing:.02em}
.compare thead th:nth-child(3){background:linear-gradient(120deg,#123047,#0E1A2B);color:var(--cyan)}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{font-weight:800;color:var(--ink);width:26%}
.compare td:nth-child(2){color:var(--z-500)}
.compare td:nth-child(3){background:rgba(91,212,240,.06);color:var(--ink);font-weight:600}

/* ---------- screenshot gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shot-card{border-radius:14px;overflow:hidden;border:1px solid var(--z-200);background:#fff;box-shadow:var(--shadow-1);cursor:zoom-in;transition:transform .2s,box-shadow .2s}
.shot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.shot-card figcaption{padding:13px 16px;font-size:.86rem;font-weight:700;color:var(--z-600);border-top:1px solid var(--z-200);background:#fff}
.band-dark .shot-card{border-color:rgba(255,255,255,.1);background:#0d1724}
.band-dark .shot-card figcaption{background:#0d1724;color:#9fb0c3;border-color:rgba(255,255,255,.08)}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(6,12,20,.9);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:4vh 4vw;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:92vh;border-radius:12px;box-shadow:0 30px 120px rgba(0,0,0,.7)}
.lightbox .lb-cap{position:absolute;bottom:2.5vh;left:0;right:0;text-align:center;color:#cfdae6;font-weight:700;font-size:.95rem}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:24px;background:
  radial-gradient(700px 300px at 15% 0%,rgba(91,212,240,.22),transparent 60%),
  linear-gradient(135deg,#0A1420,#13253d);border:1px solid rgba(91,212,240,.25);padding:72px 56px;text-align:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#9fb0c3;max-width:560px;margin:0 auto 30px}

/* ---------- checklist chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{font-size:.82rem;font-weight:800;padding:8px 14px;border-radius:999px;border:1px solid rgba(91,212,240,.4);color:var(--cyan-deep);background:rgba(91,212,240,.07)}
.band-dark .chip{color:var(--cyan)}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{counter-increment:step;position:relative;padding:28px 26px 26px;border-radius:var(--radius);background:#fff;border:1px solid var(--z-200);box-shadow:var(--shadow-1)}
.step::before{content:counter(step,decimal-leading-zero);font-weight:900;font-size:.95rem;color:var(--cyan-deep);letter-spacing:.08em}
.step h4{margin:10px 0 8px}
.step p{font-size:.92rem}
.band-dark .step{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.09)}
.band-dark .step::before{color:var(--cyan)}

/* ---------- footer ---------- */
footer{background:var(--ink-2);color:#8fa2b7;padding:70px 0 40px;border-top:1px solid rgba(255,255,255,.06)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.foot-grid img{height:32px;width:auto;margin-bottom:16px}
.foot-grid p{font-size:.9rem;color:#7e91a6}
.foot-grid h5{color:#fff;font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.foot-grid ul{list-style:none}
.foot-grid li{margin:9px 0}
.foot-grid a{color:#9fb0c3;font-size:.93rem;font-weight:600}
.foot-grid a:hover{color:var(--cyan)}
.foot-base{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(255,255,255,.07);font-size:.85rem;color:#61748a}
.foot-base .tagline{color:var(--cyan);font-weight:800}

/* ---------- forms (demo page) ---------- */
.form-card{background:#fff;border:1px solid var(--z-200);border-radius:20px;box-shadow:var(--shadow-2);padding:40px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--z-500)}
.field input,.field select,.field textarea{font-family:var(--font);font-size:1rem;padding:13px 15px;border-radius:11px;border:1px solid var(--z-300);background:#fff;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan-2);box-shadow:0 0 0 3px rgba(91,212,240,.25)}
.form-note{font-size:.85rem;color:var(--z-500);margin-top:14px}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.65,.3,1),transform .7s cubic-bezier(.2,.65,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- page hero (interior pages) ---------- */
.page-hero{padding:96px 0 80px;background:
  radial-gradient(800px 380px at 85% -10%,rgba(91,212,240,.15),transparent 60%),
  linear-gradient(180deg,#0A1420,#0E1A2B)}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,4.4vw,3.3rem);margin:20px 0 18px;max-width:840px}
.page-hero .lead{color:#a7b8ca;max-width:700px}
.page-hero .hero-ctas{margin-top:30px}

/* ---------- misc ---------- */
.divider-fade{height:1px;background:linear-gradient(90deg,transparent,var(--z-300),transparent)}
.note-box{border-left:4px solid var(--cyan-2);background:rgba(91,212,240,.07);border-radius:0 12px 12px 0;padding:18px 22px;font-size:.94rem;color:var(--z-700)}
.band-dark .note-box{color:#b9c7d6;background:rgba(91,212,240,.08)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4,.tiles{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:840px){
  section{padding:70px 0}
  .feature-row{grid-template-columns:1fr;gap:34px;padding:42px 0}
  .feature-row.rev .f-copy{order:1}
  .feature-row.rev .f-media{order:2}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-burger{display:block}
  .nav-mobile{display:none;position:fixed;inset:72px 0 auto 0;z-index:99;background:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.1);padding:18px 24px 26px;flex-direction:column;gap:4px;box-shadow:0 30px 60px rgba(0,0,0,.5)}
  .nav-mobile.open{display:flex}
  .nav-mobile a{color:#e8eef5;font-weight:800;font-size:1.05rem;padding:13px 10px;border-radius:10px}
  .nav-mobile a:hover{background:rgba(255,255,255,.06)}
  .nav-mobile .btn{margin-top:12px}
  .cta-band{padding:52px 26px}
}
@media (max-width:560px){
  .grid-4,.tiles,.gallery,.steps,.stats{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  body{font-size:16px}
}

/* ---------- interactive simulated demos (Ask Q · Build with Q) ---------- */
.qsim{background:linear-gradient(180deg,#0d1a2c,#0a1420);border:1px solid rgba(91,212,240,.22);border-radius:20px;padding:0;overflow:hidden;box-shadow:0 24px 80px rgba(4,10,20,.5),0 0 0 1px rgba(91,212,240,.05);font-size:.95rem}
.qsim-head{display:flex;align-items:center;gap:13px;padding:16px 20px;background:linear-gradient(90deg,rgba(91,212,240,.14),rgba(91,212,240,.03));border-bottom:1px solid rgba(91,212,240,.15)}
.qsim-head b{display:block;color:#fff;font-size:1rem}
.qsim-head span:not(.qsim-orb):not(.qsim-tag){display:block;color:#8fa2b7;font-size:.8rem}
.qsim-orb{flex:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.15rem;color:#06222e;background:radial-gradient(circle at 32% 28%,#9ae8fa,#34c7e5 65%,#0e93b4);box-shadow:0 0 18px rgba(91,212,240,.55)}
.qsim-tag{margin-left:auto;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#8fa2b7;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 10px;white-space:nowrap}
.qsim-chat{min-height:120px;max-height:340px;overflow-y:auto;padding:18px 20px 6px;display:flex;flex-direction:column;gap:12px}
.qsim-msg{max-width:88%;padding:12px 16px;border-radius:14px;line-height:1.55;color:#dbe6f1}
.qsim-you{align-self:flex-end;background:rgba(91,212,240,.16);border:1px solid rgba(91,212,240,.3);border-bottom-right-radius:4px;color:#e9f6fb;font-weight:600}
.qsim-q{align-self:flex-start;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-bottom-left-radius:4px}
.qsim-q b{color:#fff}
.qsim-think i{display:inline-block;width:7px;height:7px;margin:0 2px;border-radius:50%;background:#5BD4F0;opacity:.4;animation:qsimBlink 1s infinite}
.qsim-think i:nth-child(2){animation-delay:.2s}.qsim-think i:nth-child(3){animation-delay:.4s}
@keyframes qsimBlink{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}
.qsim-caret{display:inline-block;width:8px;height:1em;background:#5BD4F0;vertical-align:text-bottom;margin-left:2px;animation:qsimBlink .8s infinite}
.qsim-cite{display:flex;align-items:center;gap:8px;margin-top:12px;padding:9px 12px;border-radius:10px;background:rgba(91,212,240,.09);border:1px solid rgba(91,212,240,.28);color:#9ddcef;font-size:.78rem}
.qsim-cite b{color:#cdeef9}
.qsim-chips{display:flex;flex-wrap:wrap;gap:8px;padding:10px 20px 4px}
.qsim-chip{font-family:var(--font);font-size:.82rem;font-weight:700;color:#bfe9f6;background:rgba(255,255,255,.04);border:1px solid rgba(91,212,240,.3);border-radius:999px;padding:8px 14px;cursor:pointer;transition:background .15s,border-color .15s}
.qsim-chip:hover{background:rgba(91,212,240,.14);border-color:rgba(91,212,240,.6)}
.qsim-inputrow{display:flex;gap:10px;padding:14px 20px 6px}
.qsim-inputrow input{flex:1;font-family:var(--font);font-size:.95rem;padding:13px 16px;border-radius:12px;border:1px solid rgba(91,212,240,.35);background:rgba(6,16,28,.8);color:#e9f6fb;outline:none}
.qsim-inputrow input:focus{border-color:#5BD4F0;box-shadow:0 0 0 3px rgba(91,212,240,.2)}
.qsim-inputrow input::placeholder{color:#5d7188}
.qsim-send{flex:none;width:46px;border-radius:12px;border:0;cursor:pointer;font-size:1.2rem;font-weight:900;color:#06222e;background:linear-gradient(180deg,#6cdcf5,#34c7e5)}
.qsim-foot{padding:10px 20px 18px;font-size:.78rem;color:#7e91a6}
.qsim-foot b{color:#a7c4d6}

/* build variant */
.qsim-buildprompt{display:flex;gap:10px;padding:18px 20px 8px}
.qsim-buildprompt input{flex:1;font-family:var(--font);font-size:.92rem;padding:13px 16px;border-radius:12px;border:1px solid rgba(91,212,240,.35);background:rgba(6,16,28,.8);color:#e9f6fb;outline:none}
.qsim-buildbtn{flex:none}
.qsim-buildlog{padding:8px 20px 0;display:flex;flex-direction:column;gap:8px}
.qsim-step{display:flex;align-items:center;gap:11px;padding:10px 14px;border-radius:11px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:#c9d7e4}
.qsim-step b{display:block;color:#fff;font-size:.88rem;font-weight:700}
.qsim-step span{display:block;font-size:.76rem;color:#7e91a6}
.qsim-step.done{opacity:.72}
.qsim-spin{flex:none;width:15px;height:15px;border-radius:50%;border:2px solid rgba(91,212,240,.25);border-top-color:#5BD4F0;animation:qsimSpin .7s linear infinite}
.qsim-stepok{flex:none;color:#10b981}
@keyframes qsimSpin{to{transform:rotate(360deg)}}
.qsim-modules{padding:10px 20px 8px;display:flex;flex-direction:column;gap:8px}
.qsim-modhead{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#fff;font-size:.95rem;padding:4px 2px}
.qsim-draft{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fbbf24;border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.08);border-radius:999px;padding:4px 10px}
.qsim-mod{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:11px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);opacity:0;transform:translateY(10px);transition:opacity .4s,transform .4s}
.qsim-mod.in{opacity:1;transform:none}
.qsim-mod b{display:block;color:#fff;font-size:.9rem;font-weight:700}
.qsim-mod span:not(.qsim-modkind){display:block;font-size:.76rem;color:#7e91a6}
.qsim-modkind{flex:none;font-size:.62rem;font-weight:900;letter-spacing:.08em;color:#06222e;background:linear-gradient(140deg,#7BD9EE,#34c7e5);border-radius:6px;padding:5px 7px;min-width:64px;text-align:center}
.qsim-buildfoot{padding:12px 14px;border-radius:11px;background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.3);color:#a7e6cd;font-size:.85rem}
.qsim-buildfoot b{color:#6ee7b7}
@media (max-width:560px){.qsim-buildprompt{flex-direction:column}.qsim-tag{display:none}}

/* anchor targets clear the sticky nav */
[id]{scroll-margin-top:96px}

/* hero visual — product image at entry, phone overlap */
.hero-visual{position:relative;z-index:2}
.hero-visual .browser{box-shadow:0 30px 90px rgba(0,0,0,.55),0 0 0 1px rgba(91,212,240,.12),0 0 60px rgba(91,212,240,.10)}
.hero-phone{position:absolute;bottom:-38px;right:-18px;max-width:158px;padding:6px;border-radius:26px;box-shadow:0 24px 70px rgba(0,0,0,.65)}
.hero-phone img{border-radius:20px}
@media (min-width:1025px){.hero-grid{grid-template-columns:1.02fr .98fr;align-items:center}}
@media (max-width:1024px){.hero-visual{max-width:640px;margin:0 auto}}
@media (max-width:560px){.hero-phone{display:none}}