/* Super early bird page. Same "Restrained" system as /test:
   paper + ink + one ultramarine, hairlines not boxes. */
:root{
  --paper:#F4F1E8;
  --card:#FFFDF7;
  --ink:#0F0F0D;
  --ink-2:#54514A;
  --ink-3:#928F84;
  --ultramarine:#2222D4;
  --vermilion:#E8431C;
  --lilac:#A48FE0;
  --accent:#2222D4;
  --rule:rgba(15,15,13,.12);
  --rule-strong:rgba(15,15,13,.28);

  --grotesque:'Bricolage Grotesque', system-ui, sans-serif;
  --serif:'Instrument Serif', Georgia, serif;
  --mono:'Space Mono', ui-monospace, monospace;

  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
}

/* The three display faces have no Cyrillic; the RU page takes its companions.
   The wordmark stays Latin and keeps the original faces on both pages. */
html[lang="ru"]{
  --grotesque:'Manrope', system-ui, sans-serif;
  --serif:'Playfair Display', Georgia, serif;
  --mono:'JetBrains Mono', ui-monospace, monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--grotesque);
  font-size:18px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--ultramarine);color:var(--card)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}

.voice{font-family:var(--serif);font-style:italic}

.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}

.ul{
  text-decoration:none;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:100% .12em;
  padding-bottom:.02em;
}

.tick::before{
  content:"";display:inline-block;width:9px;height:9px;
  background:var(--accent);margin-right:.6em;vertical-align:.06em;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--grotesque);font-weight:600;font-size:.95rem;
  padding:.72em 1.3em;border:1px solid var(--ink);border-radius:2px;
  background:var(--ink);color:var(--paper);text-decoration:none;cursor:pointer;
  transition:background .15s ease;
}
.btn-accent{background:var(--ultramarine);border-color:var(--ultramarine)}
.btn-accent:hover{background:#1A1AB0;border-color:#1A1AB0}
.btn:disabled{opacity:.55;cursor:default}

section{padding:clamp(56px,8vh,88px) 0}
.rule-top{border-top:1px solid var(--rule)}
.eyebrow{margin-bottom:18px}
h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.05}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-2);max-width:54ch}
.lede + .lede{margin-top:18px}
.lede b{color:var(--ink);font-weight:600}

/* ───── nav ───── */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(244,241,232,.82);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--rule);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.wordmark{font-family:'Bricolage Grotesque',var(--grotesque);font-size:1.35rem;font-weight:700;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.wordmark .pivot{font-family:'Instrument Serif',var(--serif);font-style:italic;color:var(--ultramarine);font-weight:400}
.nav-lang{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);text-decoration:none}
.nav-lang:hover{color:var(--ink)}

/* ───── hero + form ───── */
.hero{padding-top:clamp(48px,8vh,96px);padding-bottom:clamp(48px,7vh,88px)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(40px,6vw,96px);align-items:start}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2.4rem,5.4vw,4rem);letter-spacing:-.03em;margin-bottom:24px;max-width:16ch}
.hero h1 .voice{color:var(--ultramarine)}

.signup{border-top:1px solid var(--rule-strong);padding-top:22px}
.signup .mono{margin-bottom:22px;display:block}
.signup-title{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px}
.signup-title .voice{color:var(--ultramarine)}
.signup-lede{font-size:1.02rem;color:var(--ink-2);margin-bottom:26px;max-width:44ch}

.field{margin-bottom:26px}
.field > label,.field legend{display:block;font-weight:600;font-size:.98rem;margin-bottom:10px;letter-spacing:-.01em}
.field input[type="email"],.field input[type="text"]{
  width:100%;
  font:inherit;font-size:1.05rem;color:var(--ink);
  background:transparent;
  border:0;border-bottom:1px solid var(--rule-strong);border-radius:0;
  padding:8px 0 10px;outline:none;
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{border-bottom-color:var(--ultramarine)}
.field input[aria-invalid="true"]{border-bottom-color:var(--vermilion)}

fieldset{border:0}
.options{display:flex;flex-direction:column}
.option{
  display:flex;align-items:baseline;gap:14px;
  padding:11px 0;border-top:1px solid var(--rule);
  font-size:1rem;color:var(--ink-2);cursor:pointer;
}
.option:last-of-type{border-bottom:1px solid var(--rule)}
.option:hover{color:var(--ink)}
.option input{
  appearance:none;-webkit-appearance:none;
  width:11px;height:11px;flex:none;
  border:1px solid var(--rule-strong);background:transparent;
  position:relative;top:0;cursor:pointer;
}
.option input:checked{background:var(--ultramarine);border-color:var(--ultramarine)}
.option input:checked + span{color:var(--ink)}
.option-other{margin-top:12px}
.option-other[hidden]{display:none}

.consent{font-size:.82rem;color:var(--ink-3);line-height:1.5;margin:0 0 22px;max-width:44ch}

.form-error{margin-top:12px;font-size:.88rem;color:var(--vermilion)}
.form-error[hidden]{display:none}

.form-done[hidden]{display:none}
.form-done h2{margin-bottom:12px}
.form-done h2 .voice{color:var(--ultramarine)}
.form-done p{color:var(--ink-2);max-width:40ch}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ───── inside ───── */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 36px;margin-top:44px}
@media(max-width:860px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid3{grid-template-columns:1fr}}
.mini{border-top:1px solid var(--rule);padding-top:16px}
.mini h3{margin-bottom:8px}
.mini p{font-size:.94rem;color:var(--ink-2)}

/* ───── footer ───── */
footer{border-top:1px solid var(--rule);padding:48px 0 64px;color:var(--ink-2);font-size:.9rem}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;align-items:flex-end}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{color:var(--ink)}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}