/* ===== Промпт.Лаб — стили ===== */
:root{
  --ink:#141519;
  --ink-2:#1d1f26;
  --paper:#FAFAF7;
  --paper-2:#f1f0ea;
  --line:#e4e2d9;
  --line-dk:#2a2d36;
  --coral:#FF5A4D;
  --coral-dk:#e54235;
  --muted:#6b6e76;
  --muted-dk:#9aa0ab;
  --ok:#1f9d6b;
  --r:14px;
  --maxw:1080px;
  --shadow:0 1px 2px rgba(20,21,25,.06),0 8px 30px rgba(20,21,25,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:"Space Grotesk","Inter",sans-serif;line-height:1.08;letter-spacing:-.02em;margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--coral)}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:16px;
  padding:15px 26px;border-radius:var(--r);border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .12s ease,background .15s ease,box-shadow .15s ease;
  -webkit-tap-highlight-color:transparent;
}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dk)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line-dk);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-block{width:100%}

/* ---- header ---- */
.nav{position:sticky;top:0;z-index:30;background:rgba(20,21,25,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-dk)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:"Space Grotesk";font-weight:700;font-size:19px;letter-spacing:-.02em}
.brand .dot{width:11px;height:11px;border-radius:3px;background:var(--coral);box-shadow:0 0 0 4px rgba(255,90,77,.2)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--muted-dk);text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover{color:#fff}
.nav .btn{padding:10px 18px;font-size:15px}
@media(max-width:760px){.nav-links a:not(.btn){display:none}}

/* ---- hero ---- */
.hero{background:var(--ink);color:#fff;padding:74px 0 84px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -40% auto;width:560px;height:560px;background:radial-gradient(circle,rgba(255,90,77,.16),transparent 62%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(34px,5.4vw,58px);font-weight:700;margin:18px 0 18px}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero p.lead{font-size:19px;color:var(--muted-dk);max-width:46ch;margin:0 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:30px;display:flex;gap:26px;flex-wrap:wrap;color:var(--muted-dk);font-size:14px}
.hero-meta b{color:#fff;font-family:"Space Grotesk";font-weight:600}

/* prompt console (signature) */
.console{background:#0c0d11;border:1px solid var(--line-dk);border-radius:18px;box-shadow:0 30px 60px rgba(0,0,0,.45);overflow:hidden;font-family:"Space Grotesk",ui-monospace,monospace}
.console-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line-dk);background:#0f1015}
.console-bar i{width:11px;height:11px;border-radius:50%;background:#34363f;display:block}
.console-bar i:first-child{background:var(--coral)}
.console-bar span{margin-left:8px;color:var(--muted-dk);font-size:12.5px;letter-spacing:.04em}
.console-body{padding:20px 18px;font-size:14.5px;line-height:1.75;min-height:218px}
.c-line{white-space:pre-wrap}
.c-prompt{color:var(--muted-dk)}
.c-prompt b{color:var(--coral);font-weight:600}
.c-out{color:#e9eaee}
.cursor{display:inline-block;width:9px;height:18px;background:var(--coral);vertical-align:-3px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:36px}.console{order:-1}}

/* ---- sections ---- */
section.block{padding:78px 0}
.block-head{max-width:620px;margin-bottom:42px}
.block-head h2{font-size:clamp(27px,3.6vw,40px);font-weight:700;margin:14px 0 12px}
.block-head p{color:var(--muted);font-size:18px;margin:0}

/* formats */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .tag{font-family:"Space Grotesk";font-weight:700;font-size:13px;letter-spacing:.04em;color:var(--coral);text-transform:uppercase}
.card h3{font-size:23px;margin:10px 0 8px}
.card .price{font-family:"Space Grotesk";font-weight:700;font-size:30px;margin:6px 0 14px}
.card .price small{font-size:15px;color:var(--muted);font-weight:500}
.card ul{list-style:none;padding:0;margin:0 0 22px;color:var(--muted);font-size:15.5px}
.card ul li{padding:7px 0 7px 26px;position:relative;border-top:1px solid var(--line)}
.card ul li:first-child{border-top:0}
.card ul li::before{content:"";position:absolute;left:2px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--coral)}
.card .btn{margin-top:auto}
.card.featured{background:var(--ink);color:#fff;border-color:var(--ink)}
.card.featured h3,.card.featured .price{color:#fff}
.card.featured ul{color:var(--muted-dk)}
.card.featured ul li{border-top-color:var(--line-dk)}
@media(max-width:860px){.cards{grid-template-columns:1fr}}

/* program */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.step{background:var(--paper);padding:26px}
.step .n{font-family:"Space Grotesk";font-weight:700;font-size:15px;color:var(--coral)}
.step h3{font-size:19px;margin:8px 0 6px}
.step p{color:var(--muted);font-size:15px;margin:0}
@media(max-width:680px){.steps{grid-template-columns:1fr}}

/* author */
.author{display:grid;grid-template-columns:170px 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px}
.author .ava{width:170px;height:170px;border-radius:18px;background:linear-gradient(140deg,#23252e,var(--coral));display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk";font-weight:700;font-size:54px;color:#fff}
.author h3{font-size:24px;margin:0 0 4px}
.author .role{color:var(--coral);font-weight:600;font-size:14px;font-family:"Space Grotesk";letter-spacing:.04em;text-transform:uppercase}
.author p{color:var(--muted);margin:14px 0 0}
@media(max-width:560px){.author{grid-template-columns:1fr;text-align:center;justify-items:center}}

/* form */
.signup{background:var(--ink);color:#fff}
.signup .grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.signup h2{color:#fff;font-size:clamp(27px,3.6vw,40px)}
.signup .lead{color:var(--muted-dk);font-size:18px}
.signup .perks{list-style:none;padding:0;margin:24px 0 0}
.signup .perks li{padding:9px 0 9px 30px;position:relative;color:#e9eaee}
.signup .perks li::before{content:"✓";position:absolute;left:0;color:var(--coral);font-weight:700}
form .field{margin-bottom:16px}
form label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#e9eaee}
form label .req{color:var(--coral)}
form input,form select{
  width:100%;padding:14px 15px;border-radius:11px;border:1px solid var(--line-dk);
  background:#0f1015;color:#fff;font:inherit;font-size:16px;transition:border .15s,box-shadow .15s;
}
form input::placeholder{color:#5a5e68}
form input:focus,form select:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,90,77,.22)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted-dk);margin:6px 0 18px}
.consent input{width:18px;height:18px;flex:0 0 auto;margin-top:2px;accent-color:var(--coral)}
.consent a{color:#fff;text-decoration:underline}
.formcard{background:var(--ink-2);border:1px solid var(--line-dk);border-radius:var(--r);padding:28px}
.err{color:var(--coral);font-size:14px;margin:0 0 14px;display:none}
.err.show{display:block}
@media(max-width:860px){.signup .grid{grid-template-columns:1fr;gap:34px}form .row{grid-template-columns:1fr}}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-family:"Space Grotesk";font-weight:600;font-size:18px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font-size:24px;color:var(--coral);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin:0 0 18px;max-width:70ch}

/* footer */
footer{background:var(--ink);color:var(--muted-dk);padding:54px 0 36px;border-top:1px solid var(--line-dk)}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:30px}
.foot-grid .brand{margin-bottom:12px}
footer .col h4{color:#fff;font-family:"Space Grotesk";font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}
footer .col a{display:block;color:var(--muted-dk);text-decoration:none;font-size:15px;padding:5px 0}
footer .col a:hover{color:#fff}
.foot-bottom{border-top:1px solid var(--line-dk);padding-top:22px;font-size:13.5px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* policy pages */
.legal{padding:54px 0 70px}
.legal .wrap{max-width:780px}
.legal h1{font-size:clamp(28px,4vw,42px);margin-bottom:10px}
.legal .upd{color:var(--muted);font-size:14px;margin-bottom:34px}
.legal h2{font-size:23px;margin:36px 0 10px}
.legal h3{font-size:18px;margin:22px 0 8px}
.legal p,.legal li{color:#2c2e34;font-size:16.5px}
.legal ul{padding-left:22px}
.legal a{color:var(--coral-dk)}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--coral-dk);text-decoration:none;font-weight:600;font-size:15px;margin-bottom:26px}

/* thanks */
.thanks{min-height:72vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 22px}
.thanks .box{max-width:560px}
.thanks .check{width:88px;height:88px;border-radius:50%;background:rgba(31,157,107,.12);display:flex;align-items:center;justify-content:center;margin:0 auto 26px}
.thanks .check svg{width:42px;height:42px}
.thanks h1{font-size:clamp(30px,5vw,46px);margin-bottom:14px}
.thanks p{color:var(--muted);font-size:18px;margin:0 auto 12px;max-width:48ch}
.thanks .next{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:30px 0;text-align:left}
.thanks .next b{font-family:"Space Grotesk"}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:6px}