/* AIfaWorks — ночной фиолетово-чёрный, розовый + бирюза, стекло. Space Grotesk (заголовки) + DM Sans (текст).
   Контраст: #F5F3FF на #0B0614 = 18:1, #B8AFCF на #0B0614 = 9.6:1, розовый #F472B6 = 6.9:1, бирюза #22D3EE = 11:1. */
:root{--bg:#0B0614;--bg2:#120A22;--card:rgba(24,14,44,.72);--line:rgba(236,72,153,.18);--fg:#F5F3FF;--mute:#B8AFCF;--p:#EC4899;--p2:#F472B6;--t:#06B6D4;--t2:#22D3EE;
  --aifa-a:#EC4899;--aifa-b:#06B6D4;--r:20px;--wrap:1180px;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.65 'DM Sans',system-ui,sans-serif;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(40% 50% at 85% 10%,rgba(236,72,153,.12),transparent 70%),radial-gradient(40% 50% at 5% 90%,rgba(6,182,212,.10),transparent 70%)}
a{color:var(--t2)}
a:hover{color:#A5F3FC}
:focus-visible{outline:3px solid var(--t2);outline-offset:3px;border-radius:8px}
img,svg,video,canvas{max-width:100%}
h1,h2,h3{font-family:'Space Grotesk',system-ui,sans-serif;line-height:1.08;letter-spacing:-.03em;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
.skip{position:absolute;left:12px;top:-60px;z-index:1000;background:var(--p);color:#fff;padding:12px 18px;border-radius:10px;font-weight:700}
.skip:focus{top:12px}
.muted{color:var(--mute)}
.grad{background:linear-gradient(95deg,#F472B6,#C084FC 45%,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent}
.ico{width:28px;height:28px;color:var(--t2)}
.ico-s{width:18px;height:18px;flex:none}
/* шапка */
.top{position:sticky;top:0;z-index:50;transition:background .25s,box-shadow .25s;background:rgba(11,6,20,.5);backdrop-filter:blur(16px) saturate(1.3)}
.top.scrolled{background:rgba(11,6,20,.86);box-shadow:0 1px 0 var(--line)}
.top-in{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font:700 21px/1 'Space Grotesk',sans-serif;letter-spacing:-.02em}
.brand b{background:linear-gradient(95deg,#F472B6,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{margin-left:auto}
.nav ul,.langs{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a,.langs a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:999px;color:var(--mute);text-decoration:none;font-weight:500;font-size:15px}
.nav a:hover,.langs a:hover{color:var(--fg);background:rgba(255,255,255,.06)}
.langs a{font-size:13px;padding:0 9px;min-width:44px;justify-content:center}
.langs a[aria-current]{color:var(--fg);background:linear-gradient(95deg,rgba(236,72,153,.3),rgba(6,182,212,.3))}
/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border-radius:999px;font:600 16px/1 'DM Sans',sans-serif;
  text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:linear-gradient(95deg,#DB2777,#C026D3 50%,#0891B2);box-shadow:0 10px 34px rgba(236,72,153,.38)}
.btn-primary:hover{color:#fff;box-shadow:0 14px 44px rgba(6,182,212,.42)}
.btn-ghost{color:var(--fg);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.04)}
.btn-ghost:hover{color:var(--fg);border-color:var(--t2);background:rgba(6,182,212,.08)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn-lg{min-height:58px;padding:0 30px;font-size:17px}
.btns{display:flex;flex-wrap:wrap;gap:14px}
/* герой */
.hero{position:relative;min-height:min(94vh,940px);display:flex;align-items:center;overflow:hidden;padding:72px 0 96px}
.scene{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,var(--bg) 16%,rgba(11,6,20,.8) 40%,rgba(11,6,20,.1) 70%,transparent)}
.hero-glow{position:absolute;inset:auto -10% -45% 30%;height:80%;background:radial-gradient(closest-side,rgba(192,38,211,.25),transparent);pointer-events:none}
.hero-in{position:relative;z-index:2;max-width:820px}
.kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--p2);margin:0 0 14px}
.kicker-hero{padding:8px 16px;border-radius:999px;border:1px solid rgba(244,114,182,.35);background:linear-gradient(95deg,rgba(236,72,153,.12),rgba(6,182,212,.1))}
.hero h1{font-size:clamp(42px,6.6vw,84px)}
.hero-sub{font-size:clamp(17px,1.6vw,21px);color:#D4CDE6;max-width:660px;margin-bottom:30px}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:30px 0 0}
.chips li{display:flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(24,14,44,.7);font-size:14px;color:#E4DEF5;backdrop-filter:blur(8px)}
.chips svg{color:var(--t2)}
/* секции */
.sec{padding:clamp(72px,10vw,128px) 0;position:relative}
.sec:nth-of-type(even){background:linear-gradient(180deg,transparent,rgba(18,10,34,.8),transparent)}
.sec h2{font-size:clamp(32px,4.2vw,54px);max-width:880px}
.lead{font-size:19px;color:var(--mute);max-width:760px;margin-bottom:40px}
.src{margin-top:24px;font-size:15px;color:var(--mute)}
.reveal{opacity:0;transform:translateY(24px) scale(.985);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start;margin-top:28px}
.split-text p{font-size:18px;color:#D4CDE6}
.split-text b{color:#fff}
.points{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.points li{display:flex;gap:12px;align-items:flex-start}
.points svg{color:var(--t2);margin-top:4px}
.quote{margin:0;padding:34px;border-radius:var(--r);position:relative;font:600 22px/1.45 'Space Grotesk',sans-serif;
  background:linear-gradient(var(--bg2),var(--bg2)) padding-box,linear-gradient(135deg,var(--p),var(--t)) border-box;border:1.5px solid transparent;box-shadow:0 20px 60px rgba(236,72,153,.18)}
.stats{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{padding:28px 24px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.stat-n{display:block;font:700 clamp(34px,4vw,48px)/1 'Space Grotesk',sans-serif;color:#fff;font-variant-numeric:tabular-nums;margin-bottom:8px}
.stat span{color:var(--mute);font-size:15px}
.cards{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.card{position:relative;padding:30px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s;overflow:hidden}
.card::before{content:'';position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(135deg,var(--p),transparent 40%,transparent 60%,var(--t));
  -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}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 60px rgba(192,38,211,.18)}
.card:hover::before{opacity:1}
.card h3{font-size:21px;margin-top:16px}
.card p{color:var(--mute);margin:0}
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.step{position:relative;padding:30px 24px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.step-n{display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;border-radius:50%;font:700 17px/1 'Space Grotesk',sans-serif;
  background:linear-gradient(135deg,var(--p),var(--t));color:#fff;margin-bottom:16px;box-shadow:0 0 0 6px rgba(236,72,153,.12)}
.step h3{font-size:20px}
.step p{color:var(--mute);margin:0;font-size:16px}
.plans{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;padding:32px 28px;border-radius:24px;background:var(--card);border:1px solid var(--line)}
.plan-hot{background:linear-gradient(var(--bg2),var(--bg2)) padding-box,linear-gradient(160deg,var(--p),#C026D3 50%,var(--t)) border-box;border:2px solid transparent;box-shadow:0 26px 70px rgba(236,72,153,.28)}
.plan-badge{position:absolute;top:-14px;left:28px;padding:6px 14px;border-radius:999px;background:linear-gradient(95deg,var(--p),var(--t));color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.plan h3{font-size:24px}
.plan-price{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px;margin:4px 0 10px}
.plan-price b{font:700 48px/1 'Space Grotesk',sans-serif;color:#fff}
.plan-price span{color:var(--mute);font-size:14px}
.plan-desc{color:#D4CDE6}
.plan-feats{list-style:none;padding:0;margin:8px 0 26px;display:grid;gap:10px;flex:1}
.plan-feats li{display:flex;gap:10px;font-size:15px;color:#E4DEF5}
.plan-feats svg{color:var(--t2);margin-top:3px}
.faq{display:grid;gap:12px;margin-top:28px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:18px;background:var(--card)}
.faq-item[open]{border-color:rgba(34,211,238,.4)}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 56px 20px 22px;font:600 18px/1.4 'Space Grotesk',sans-serif;position:relative;min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:26px;color:var(--p2);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item div{padding:0 22px 20px;color:var(--mute)}
.cta-box{margin-top:24px;padding:clamp(28px,5vw,60px);border-radius:32px;position:relative;overflow:hidden;
  background:radial-gradient(90% 120% at 0% 0%,rgba(236,72,153,.32),transparent 55%),radial-gradient(90% 120% at 100% 100%,rgba(6,182,212,.28),transparent 55%),var(--bg2);border:1px solid var(--line)}
.cta-text{font-size:20px;color:#E4DEF5;max-width:760px;margin-bottom:28px}
/* подвал */
.foot{border-top:1px solid var(--line);padding:64px 0 28px;background:#07030D}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand p{color:var(--mute);font-size:15px;max-width:380px;margin-top:14px}
.foot-h{font:600 13px/1.4 'DM Sans',sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.foot ul a{color:#E4DEF5;text-decoration:none;display:inline-flex;min-height:32px;align-items:center;word-break:break-all}
.foot ul a:hover{color:#fff;text-decoration:underline}
.foot-legal{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--mute);font-size:14px}
.legal{max-width:820px}.legal h1{font-size:44px}.legal h2{font-size:24px;margin-top:36px}
@media (max-width:1024px){.nav{display:none}.stats,.steps{grid-template-columns:repeat(2,1fr)}.cards,.plans{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.foot-in{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.hero::before{background:rgba(11,6,20,.8)}body{font-size:16px}.stats,.steps,.cards,.plans{grid-template-columns:1fr}.foot-in{grid-template-columns:1fr}.top-in{gap:10px}.langs a{min-width:38px;padding:0 6px}.btn-sm{display:none}.hero{min-height:auto;padding:48px 0 72px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn:hover,.card:hover{transform:none}}