:root{
  --bg:#0a0a0a;
  --bg-elev:#0f1014;
  --bg-card:#131418;
  --bg-card-hi:#181a1f;
  --line:#1f2126;
  --line-strong:#2a2d33;
  --text:#f5f5f7;
  --text-dim:#a1a4ab;
  --text-muted:#6b6f78;
  --accent:#d92846;
  --accent-2:#ff5374;
  --accent-soft:rgba(217,40,70,0.14);
  --accent-glow:rgba(217,40,70,0.45);
  --max:1200px;
  --radius:16px;
  --radius-sm:10px;
  --pad:clamp(20px,4vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}

h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-0.02em;line-height:1.15;margin:0}
h1{font-size:clamp(38px,5.5vw,68px);font-weight:700}
h2{font-size:clamp(28px,3.5vw,44px);font-weight:700}
h3{font-size:20px;font-weight:600}
h4{font-size:14px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase}
p{margin:0}
.accent{color:var(--accent)}

/* ===== AMBIENT BACKGROUND ===== */
body::before{
  content:"";position:fixed;inset:-200px;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(217,40,70,0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(60,90,180,0.06), transparent 60%);
}

/* ===== NAV ===== */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px var(--pad);
  background:rgba(10,10,10,0.72);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__brand{display:flex;align-items:center;gap:12px}
.nav__logo{height:34px;width:auto;filter:drop-shadow(0 0 12px rgba(217,40,70,0.35))}
.nav__links{display:flex;align-items:center;gap:22px}
.nav__links > a{color:var(--text-dim);font-size:14px;font-weight:500;transition:color .15s var(--ease);position:relative}
.nav__links > a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav__links > a:hover{color:var(--text)}
.nav__links > a:hover::after{transform:scaleX(1)}
.nav__cta{
  background:var(--accent);color:#fff !important;
  padding:9px 18px;border-radius:var(--radius-sm);
  font-weight:600;font-size:14px;
  transition:transform .12s var(--ease), box-shadow .15s, background .15s;
  box-shadow:0 0 0 0 var(--accent-soft);
}
.nav__cta::after{display:none !important}
.nav__cta:hover{background:#bf2240;box-shadow:0 0 0 6px var(--accent-soft);transform:translateY(-1px)}

/* lang switcher */
.lang{
  display:inline-flex;align-items:center;gap:2px;
  padding:4px;border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(255,255,255,0.02);
}
.lang__current,.lang__alt{
  font-size:12px;font-weight:600;letter-spacing:0.05em;
  padding:4px 10px;border-radius:999px;
  color:var(--text-dim);transition:all .15s var(--ease);
}
.lang__current{background:var(--accent);color:#fff !important}
.lang__alt:hover{color:var(--text);background:rgba(255,255,255,0.05)}

@media(max-width:840px){
  .nav__links > a:not(.nav__cta){display:none}
  .lang{display:none}
}

/* ===== HERO ===== */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(70px,11vw,140px) var(--pad) clamp(60px,8vw,110px);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, rgba(217,40,70,0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 12% 100%, rgba(80,110,200,0.10), transparent 70%),
    radial-gradient(ellipse 60% 50% at 88% 90%, rgba(217,40,70,0.10), transparent 70%),
    linear-gradient(180deg, #0e0f14 0%, #0a0a0a 100%);
}
.hero::before{
  content:"";position:absolute;left:50%;top:38%;
  width:min(820px,86vw);aspect-ratio:1;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, rgba(217,40,70,0.40) 0%, rgba(217,40,70,0.16) 35%, transparent 65%);
  filter:blur(40px);
  z-index:1;pointer-events:none;
}
.hero__inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;text-align:center}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--text-dim);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--line-strong);
  margin-bottom:28px;
  font-family:'JetBrains Mono',monospace;
  letter-spacing:0.02em;
}
.hero__dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:#3ddc84;box-shadow:0 0 10px rgba(61,220,132,0.7);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.7}50%{opacity:1}}
.hero__logo{
  width:clamp(280px,36vw,460px);height:auto;margin:0 auto 32px;
  filter:drop-shadow(0 0 36px rgba(217,40,70,0.55)) drop-shadow(0 8px 24px rgba(0,0,0,0.5));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero__title{margin-bottom:20px;background:linear-gradient(180deg,#fff 0%,#bdbec5 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lede{max-width:680px;margin:0 auto 36px;font-size:clamp(16px,1.45vw,19px);color:var(--text-dim)}
.hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}
.hero__grid{
  position:absolute;inset:0;z-index:1;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at center,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 25%,transparent 78%);
  pointer-events:none;
}

/* stats */
.stats{
  list-style:none;padding:0;margin:64px auto 0;max-width:920px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  position:relative;z-index:2;
}
.stats li{
  background:rgba(255,255,255,0.025);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 14px;
  display:flex;flex-direction:column;gap:4px;align-items:center;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.stats__num{
  font-family:'Space Grotesk',sans-serif;font-weight:700;
  font-size:clamp(22px,2.4vw,30px);
  background:linear-gradient(180deg,#fff,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stats__label{font-size:12px;color:var(--text-muted);letter-spacing:0.04em;text-transform:uppercase}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:var(--radius-sm);
  font-weight:600;font-size:15px;
  transition:transform .12s var(--ease), background .15s, border-color .15s, box-shadow .15s;
  border:1px solid transparent;cursor:pointer;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px -8px var(--accent-glow)}
.btn--primary:hover{background:#bf2240;box-shadow:0 0 0 6px var(--accent-soft),0 12px 30px -6px var(--accent-glow);transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,0.02);color:var(--text);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--accent);color:#fff;background:rgba(255,255,255,0.05)}

/* ===== SECTIONS ===== */
section{padding:clamp(72px,9vw,128px) var(--pad)}
.section__head{max-width:var(--max);margin:0 auto clamp(40px,5vw,64px)}
.section__kicker{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;font-weight:500;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
  padding:5px 12px;border:1px solid var(--accent-soft);border-radius:999px;
  background:rgba(217,40,70,0.06);
}
.section__title{margin-bottom:14px}
.section__lede{color:var(--text-dim);max-width:680px;font-size:17px}

/* ===== CARDS ===== */
.cards{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;
}
.card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;
  transition:transform .25s var(--ease), border-color .25s, background .25s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  padding:1px;
  background:linear-gradient(135deg,rgba(217,40,70,0.0) 0%,rgba(217,40,70,0.4) 50%,rgba(217,40,70,0.0) 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .25s var(--ease);pointer-events:none;
}
.card:hover{transform:translateY(-3px);background:var(--bg-card-hi);border-color:var(--line-strong)}
.card:hover::before{opacity:1}
.card__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent);
  font-size:22px;margin-bottom:18px;
  box-shadow:inset 0 0 0 1px rgba(217,40,70,0.25);
}
.card h3{margin-bottom:10px}
.card p{color:var(--text-dim);font-size:15px}

/* ===== WHY ===== */
.why{background:linear-gradient(180deg,#0a0a0a 0%,#0c0d11 50%,#0a0a0a 100%)}
.why__grid{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;
}
.why__item{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;
  transition:border-color .2s var(--ease), background .2s;
}
.why__item:hover{border-color:var(--accent);background:var(--bg-card-hi)}
.why__item h3{margin-bottom:10px;display:flex;align-items:center;gap:10px}
.why__bullet{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;
  background:var(--accent-soft);color:var(--accent);
  font-size:14px;flex-shrink:0;
}
.why__item p{color:var(--text-dim);font-size:15px}

/* ===== STEPS ===== */
.steps{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;
  padding:0;list-style:none;
}
.step{
  background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;position:relative;
  transition:border-color .2s var(--ease), transform .2s var(--ease);
}
.step:hover{transform:translateY(-2px);border-color:var(--accent)}
.step__num{
  font-family:'JetBrains Mono',monospace;
  font-size:13px;font-weight:600;letter-spacing:0.12em;
  color:var(--accent);display:block;margin-bottom:14px;
  padding:3px 10px;border:1px solid var(--accent-soft);border-radius:6px;
  background:rgba(217,40,70,0.06);width:fit-content;
}
.step h3{margin-bottom:8px}
.step p{color:var(--text-dim);font-size:15px}

/* ===== STACK ===== */
.stack{background:linear-gradient(180deg,#0a0a0a 0%,#0c0d11 100%)}
.stack__groups{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:24px;
}
.stack__group{
  background:rgba(255,255,255,0.02);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
}
.stack__group h4{
  color:var(--accent);
  margin-bottom:14px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.chips{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:0;list-style:none;margin:0;
}
.chips li{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--line-strong);
  padding:6px 12px;border-radius:999px;
  font-size:13px;color:var(--text-dim);
  font-family:'JetBrains Mono',monospace;
  transition:all .15s var(--ease);
}
.chips li:hover{border-color:var(--accent);color:var(--text);background:var(--accent-soft)}

/* ===== CONTACT ===== */
.contact{
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(217,40,70,0.10), transparent 70%),
    var(--bg-elev);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.contact__inner{max-width:760px;margin:0 auto;text-align:center}
.contact__inner .section__kicker{margin-bottom:14px}
.contact__inner .section__title{margin-bottom:14px}
.contact__lede{color:var(--text-dim);font-size:17px;margin-bottom:36px}
.contact__channels{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.contact__channel{
  display:flex;flex-direction:column;align-items:flex-start;gap:4px;
  background:var(--bg-card);border:1px solid var(--line);
  padding:18px 26px;border-radius:var(--radius);
  min-width:240px;
  transition:border-color .15s var(--ease), transform .12s var(--ease), background .15s;
}
.contact__channel:hover{border-color:var(--accent);transform:translateY(-2px);background:var(--bg-card-hi)}
.contact__label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.1em;font-family:'JetBrains Mono',monospace}
.contact__value{font-size:17px;font-weight:600;color:var(--text)}

/* ===== FOOTER ===== */
.footer{padding:60px var(--pad) 24px;background:var(--bg);border-top:1px solid var(--line)}
.footer__inner{
  max-width:var(--max);margin:0 auto 32px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;
}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col h5{
  font-family:'Space Grotesk',sans-serif;
  font-size:13px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--text);margin:0 0 6px;
}
.footer__col a{color:var(--text-dim);font-size:14px;transition:color .15s}
.footer__col a:hover{color:var(--accent)}
.footer__logo{height:42px;width:auto;margin-bottom:6px}
.footer__tag{color:var(--text-muted);font-size:14px;max-width:280px}
.footer__bottom{
  max-width:var(--max);margin:0 auto;
  padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--text-muted);font-size:13px;
}
@media(max-width:760px){
  .footer__inner{grid-template-columns:1fr;gap:28px}
}

/* ===== UTIL ===== */
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}
::selection{background:var(--accent);color:#fff}