:root{
  --bg:#0c0814;
  --bg-2:#120a1f;
  --ink:#f4eefb;
  --muted:#a99cc0;
  --violet:#7c3aed;
  --magenta:#d4309e;
  --coral:#ff6b5b;
  --amber:#ffb347;
  --grad:linear-gradient(100deg,#7c3aed 0%,#d4309e 48%,#ff6b5b 100%);
  --card:rgba(255,255,255,.04);
  --border:rgba(255,255,255,.09);
  --radius:22px;
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.nav__logo{font-family:'Space Grotesk',sans-serif;line-height:1.08;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}

.grad-text{
  background:linear-gradient(100deg,#7c3aed,#d4309e,#ff6b5b,#d4309e,#7c3aed);
  background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:gradFlow 7s linear infinite;
}
@keyframes gradFlow{to{background-position:220% 0}}

/* ---- animated background ---- */
.bg-orbs{position:fixed;inset:0;z-index:-2;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;will-change:transform}
.orb--1{width:520px;height:520px;background:#7c3aed;top:-160px;left:-120px;animation:float1 18s ease-in-out infinite}
.orb--2{width:480px;height:480px;background:#d4309e;top:30%;right:-160px;animation:float2 22s ease-in-out infinite}
.orb--3{width:420px;height:420px;background:#ff6b5b;bottom:-180px;left:25%;animation:float3 20s ease-in-out infinite}
.orb--4{width:360px;height:360px;background:#5b32d6;top:55%;left:-140px;opacity:.4;animation:float2 26s ease-in-out infinite reverse}
.orb--5{width:300px;height:300px;background:#ff8f5b;top:8%;right:22%;opacity:.35;animation:float3 24s ease-in-out infinite}
@keyframes float1{50%{transform:translate(120px,80px) scale(1.1)}}
@keyframes float2{50%{transform:translate(-100px,60px) scale(1.15)}}
@keyframes float3{50%{transform:translate(80px,-90px) scale(1.08)}}

/* slow-rotating conic beam */
.bg-beam{position:fixed;left:50%;top:50%;width:170vmax;height:170vmax;transform:translate(-50%,-50%);z-index:-3;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(124,58,237,.16) 40deg,transparent 90deg,rgba(212,48,158,.14) 150deg,transparent 200deg,rgba(255,107,91,.12) 280deg,transparent 330deg);
  opacity:.55;mix-blend-mode:screen;animation:spinBeam 50s linear infinite}
@keyframes spinBeam{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* soft nebula glow following the cursor (subtle) */
.cursor-nebula{position:fixed;top:0;left:0;width:520px;height:520px;z-index:-2;pointer-events:none;border-radius:50%;
  margin:-260px 0 0 -260px;filter:blur(95px);opacity:.28;mix-blend-mode:screen;will-change:transform;
  background:radial-gradient(circle at 50% 50%,rgba(212,48,158,.45),rgba(124,58,237,.28) 50%,transparent 72%)}
/* motion trail blobs (intense on fast movement, then fade out) */
.trail-dot{position:fixed;top:0;left:0;width:150px;height:150px;margin:-75px 0 0 -75px;border-radius:50%;z-index:-2;
  pointer-events:none;filter:blur(34px);mix-blend-mode:screen;will-change:transform,opacity;
  background:radial-gradient(circle at 50% 50%,rgba(212,48,158,.6),rgba(255,107,91,.3) 55%,transparent 72%);
  animation:trailFade .7s ease-out forwards}
@keyframes trailFade{from{opacity:var(--o,.5);transform:translate(var(--x),var(--y)) scale(1)}to{opacity:0;transform:translate(var(--x),var(--y)) scale(.35)}}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:.4em;
  background:var(--grad);color:#fff;font-weight:600;
  padding:.85rem 1.6rem;border-radius:100px;border:none;cursor:pointer;
  font-size:.98rem;transition:transform .25s,box-shadow .25s;
  box-shadow:0 10px 30px -10px rgba(212,48,158,.6)
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px rgba(212,48,158,.8)}
.btn--ghost{background:transparent;border:1px solid var(--border);box-shadow:none;color:var(--ink)}
.btn--ghost:hover{border-color:var(--magenta);box-shadow:none}
.btn--sm{padding:.55rem 1.1rem;font-size:.88rem}
.btn--lg{padding:1.1rem 2.2rem;font-size:1.05rem}

/* ---- nav ---- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;gap:2rem;
  padding:1.1rem clamp(1rem,4vw,3rem);
  transition:background .3s,backdrop-filter .3s,padding .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(12,8,20,.7);backdrop-filter:blur(16px);border-color:var(--border);padding-top:.8rem;padding-bottom:.8rem}
.nav__logo{display:flex;align-items:center;gap:.55rem;font-size:1.4rem;font-weight:700}
.nav__logo-mark{width:14px;height:14px;border-radius:5px;background:var(--grad);box-shadow:0 0 18px rgba(212,48,158,.8);animation:pulse 3s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.25) rotate(20deg)}}
.nav__links{display:flex;gap:1.8rem;margin-left:auto;font-size:.95rem}
.nav__links a{color:var(--muted);position:relative;transition:color .2s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--grad);transition:width .25s}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__cta{flex:none}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;margin-left:auto}
.nav__burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---- hero ---- */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:7rem 1.5rem 4rem;position:relative}
.hero__inner{max-width:880px}
.pill{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem 1.05rem;border:1px solid var(--border);border-radius:100px;font-size:.85rem;color:var(--muted);background:var(--card);margin-bottom:1.8rem}
.pill__ico{width:1.05rem;height:1.05rem;color:var(--magenta);flex:none}
.hero__title{font-size:clamp(2.6rem,7vw,5.2rem);font-weight:700;margin-bottom:1.4rem}
.hero__sub{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:620px;margin:0 auto 2.4rem}
.hero__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:1.6rem;left:50%;transform:translateX(-50%);font-size:.75rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);writing-mode:vertical-rl;animation:bob 2s ease-in-out infinite}
@keyframes bob{50%{transform:translate(-50%,8px)}}

.stats{display:flex;gap:2.5rem;justify-content:center;flex-wrap:wrap;margin-top:3.5rem}
.stat{display:flex;flex-direction:column}
.stat__num{font-family:'Space Grotesk';font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__label{margin-top:.35rem;font-size:.82rem;color:#d9cfe8;font-weight:500;letter-spacing:.08em;text-transform:uppercase}

/* ---- sections ---- */
.section{max-width:var(--maxw);margin:0 auto;padding:6rem clamp(1.2rem,4vw,2rem)}
.section__head{margin-bottom:3rem;max-width:640px}
.eyebrow{font-size:.85rem;letter-spacing:.18em;text-transform:uppercase;color:var(--magenta);font-weight:600}
.section__head h2{font-size:clamp(2rem,4.5vw,3.1rem);margin-top:.8rem}

.about-grid{display:grid;gap:2.5rem}
.about-lead{font-size:1.2rem;color:var(--muted);max-width:760px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.8rem;transition:transform .3s,border-color .3s}
.feature:hover{transform:translateY(-6px);border-color:var(--magenta)}
.feature__icon{font-size:1.8rem;margin-bottom:.8rem}
.feature h3{font-size:1.2rem;margin-bottom:.4rem}
.feature p{color:var(--muted);font-size:.95rem}

/* ---- product ---- */
.product{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center;margin-bottom:5rem}
.product--rev .product__media{order:2}
.product__body .tag{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:.35rem .8rem;border-radius:100px;background:rgba(124,58,237,.18);color:#c4a8ff;margin-bottom:1rem}
.product__body .tag--alt{background:rgba(255,107,91,.16);color:#ffb0a6}
.product__body h3{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:1rem}
.product__body p{color:var(--muted);margin-bottom:1.4rem}
.ticks{list-style:none;display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.6rem}
.ticks li{position:relative;padding-left:1.8rem;color:var(--ink)}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:1.2rem;height:1.2rem;display:grid;place-items:center;border-radius:50%;background:var(--grad);font-size:.7rem;color:#fff}

.product__media{display:flex;justify-content:center}
.phone{width:240px;height:480px;border-radius:38px;padding:14px;background:linear-gradient(160deg,#1c1330,#0e0a18);border:1px solid var(--border);position:relative;box-shadow:0 40px 80px -30px rgba(124,58,237,.6);transition:transform .4s}
.product:hover .phone{transform:translateY(-10px) rotate(-2deg)}
.phone--rang{box-shadow:0 40px 80px -30px rgba(255,107,91,.55)}
.phone__notch{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:90px;height:20px;background:#0a0712;border-radius:0 0 14px 14px;z-index:2}
.phone__screen{height:100%;border-radius:26px;background:radial-gradient(circle at 50% 0%,rgba(124,58,237,.35),transparent 60%),#0a0712;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:1.5rem;text-align:center}
.phone__app{font-size:2.6rem}
.phone__screen strong{font-family:'Space Grotesk';font-size:1.25rem}
.phone__screen small{color:var(--muted);font-size:.78rem;margin-bottom:1rem}
.phone__bar{width:100%;height:9px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden}
.phone__bar i{display:block;height:100%;width:var(--w);background:var(--grad);border-radius:6px;animation:grow 1.6s ease forwards}
@keyframes grow{from{width:0}}
.chat-bubble{font-size:.8rem;padding:.55rem .85rem;border-radius:14px;max-width:85%}
.chat-bubble--in{align-self:flex-start;background:rgba(255,255,255,.08)}
.chat-bubble--out{align-self:flex-end;background:var(--grad);color:#fff}

/* ---- steps ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.8rem;transition:transform .3s,border-color .3s}
.step:hover{transform:translateY(-6px);border-color:var(--coral)}
.step__n{font-family:'Space Grotesk';font-size:1.4rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.step h3{margin:.6rem 0 .4rem;font-size:1.15rem}
.step p{color:var(--muted);font-size:.92rem}

/* ---- contact ---- */
.contact__card{max-width:820px;margin:0 auto;text-align:center;padding:4rem 2rem;border-radius:32px;border:1px solid var(--border);background:linear-gradient(160deg,rgba(124,58,237,.14),rgba(255,107,91,.08));position:relative;overflow:hidden}
.contact__card h2{font-size:clamp(2rem,5vw,3.4rem);margin-bottom:1rem}
.contact__card p{color:var(--muted);max-width:520px;margin:0 auto 2rem}

/* ---- footer ---- */
.footer{border-top:1px solid var(--border);background:var(--bg-2);padding:4rem clamp(1.2rem,4vw,3rem) 2rem}
.footer__grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}
.nav__logo--footer{font-size:1.5rem;margin-bottom:1rem}
.footer__brand p{color:var(--muted);max-width:240px}
.footer__col h4{font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--magenta);margin-bottom:1rem}
.footer__col p{color:var(--muted);font-size:.95rem;margin-bottom:.35rem}
.footer__col a{color:var(--muted);transition:color .2s}
.footer__col a:hover{color:var(--ink)}
.footer__bottom{max-width:var(--maxw);margin:3rem auto 0;padding-top:1.6rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.85rem;color:var(--muted)}
.footer__bottom a{color:var(--muted)}
.footer__bottom a:hover{color:var(--ink)}

/* ---- icons (heroicons) ---- */
.ico{width:1.4rem;height:1.4rem;flex:none}
.ico-badge{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:15px;background:var(--grad);color:#fff;margin-bottom:1rem;box-shadow:0 12px 26px -12px rgba(212,48,158,.7)}
.ico-badge svg{width:26px;height:26px}

/* ---- product media: quiz app icon ---- */
.phone__appicon{width:74px;height:74px;border-radius:18px;box-shadow:0 12px 28px -8px rgba(0,0,0,.6);margin-bottom:.3rem}

/* ---- product media: yourang robot card ---- */
.product__media--rang{align-items:stretch}
.rang-card{position:relative;width:300px;max-width:100%;border-radius:30px;padding:1.8rem 1.5rem 0;background:
  radial-gradient(120% 90% at 50% 0%,rgba(34,197,160,.28),transparent 60%),
  linear-gradient(165deg,#0f1b1c,#0a0f18);
  border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(34,160,180,.55);transition:transform .4s}
.product:hover .rang-card{transform:translateY(-10px) rotate(2deg)}
.rang-card__logo{width:140px;margin-bottom:1.1rem;filter:drop-shadow(0 4px 12px rgba(0,0,0,.4))}
.rang-card__chat{width:100%;display:flex;flex-direction:column;gap:.55rem;margin-bottom:.4rem}
.rang-card__robot{width:170px;display:block;margin-top:auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.55))}
.rang-card .chat-bubble{font-size:.76rem;box-shadow:0 10px 24px -10px rgba(0,0,0,.6);animation:bubbleIn 3.5s ease-in-out infinite}
.rang-card .chat-bubble--in{align-self:flex-start;background:rgba(255,255,255,.14);backdrop-filter:blur(6px)}
.rang-card .chat-bubble--out{align-self:flex-end;background:linear-gradient(100deg,#22c5a0,#2f7ad6);color:#fff;animation-delay:.5s}
@keyframes bubbleIn{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}

/* rotating headline word — width adapts to the word so the "." stays attached */
.rotator{display:inline-block;white-space:nowrap}

/* ---- contact form ---- */
.contact__layout{display:grid;grid-template-columns:1fr 1.05fr;gap:3.5rem;align-items:start;max-width:var(--maxw);margin:0 auto}
.contact__intro h2{font-size:clamp(1.9rem,4vw,2.8rem);margin:.8rem 0 1rem}
.contact__intro p{color:var(--muted);margin-bottom:1.8rem;max-width:420px}
.contact__list{list-style:none;display:flex;flex-direction:column;gap:1.1rem}
.contact__list li{display:flex;gap:.9rem;align-items:flex-start;color:var(--muted);font-size:.95rem}
.contact__list .ico{color:var(--magenta);margin-top:.15rem}
.contact__list a{color:var(--ink)}
.contact__list a:hover{color:var(--magenta)}

.contact-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;backdrop-filter:blur(8px)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.field{display:flex;flex-direction:column;margin-bottom:1.1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field label{font-size:.85rem;color:var(--muted);margin-bottom:.4rem;font-weight:500}
.field input,.field textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:.8rem .95rem;color:var(--ink);font-family:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s}
.field input::placeholder,.field textarea::placeholder{color:#6f6486}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--magenta);box-shadow:0 0 0 3px rgba(212,48,158,.18)}
.field textarea{resize:vertical;min-height:96px}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--muted);margin:.3rem 0 1.4rem;cursor:pointer}
.consent input{margin-top:.2rem;width:18px;height:18px;accent-color:var(--magenta);flex:none;cursor:pointer}
.consent a{color:#c4a8ff}
.form__submit{width:100%;justify-content:center;position:relative}
.form__submit[disabled]{opacity:.7;cursor:not-allowed}
.form__spinner{display:none;width:18px;height:18px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.form__submit.loading .form__submit-label{visibility:hidden}
.form__submit.loading .form__spinner{display:block;position:absolute}
@keyframes spin{to{transform:rotate(360deg)}}
.form__error{color:#ff8b7e;font-size:.85rem;margin-top:.9rem;min-height:1em;text-align:center}
.field input:invalid:not(:placeholder-shown){border-color:rgba(255,107,91,.55)}

/* ---- consent popup ---- */
.consent-pop{position:fixed;left:0;right:0;bottom:0;z-index:120;display:flex;justify-content:center;padding:1.2rem;pointer-events:none}
.consent-pop__card{pointer-events:auto;max-width:640px;width:100%;background:rgba(18,12,30,.92);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:20px;padding:1.5rem 1.7rem;box-shadow:0 30px 60px -20px rgba(0,0,0,.7);transform:translateY(140%);transition:transform .55s cubic-bezier(.2,.8,.2,1)}
.consent-pop.show .consent-pop__card{transform:none}
.consent-pop__card h4{font-family:'Space Grotesk';font-size:1.1rem;margin-bottom:.5rem}
.consent-pop__card p{font-size:.88rem;color:var(--muted);margin-bottom:1.1rem}
.consent-pop__card a{color:#c4a8ff}
.consent-pop__actions{display:flex;gap:.8rem;justify-content:flex-end;flex-wrap:wrap}

.footer__bottom-links{display:flex;gap:1.4rem}

/* ---- reveal animation ---- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---- responsive ---- */
@media(max-width:860px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .nav.open .nav__links{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(12,8,20,.96);backdrop-filter:blur(16px);padding:1.5rem 2rem;gap:1.2rem;border-bottom:1px solid var(--border)}
  .features,.steps{grid-template-columns:1fr 1fr}
  .product,.product--rev .product__media{grid-template-columns:1fr;order:0}
  .product__media{order:-1}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .contact__layout{grid-template-columns:1fr;gap:2.5rem}
}
@media(max-width:560px){
  .features,.steps,.footer__grid{grid-template-columns:1fr}
  .stats{gap:1.6rem}
  .field-row{grid-template-columns:1fr}
  .consent-pop__actions{justify-content:stretch}
  .consent-pop__actions .btn{flex:1}
  .footer__bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}