/* kirya.ai — style.css */
:root{
  --navy:#141442; --magenta:#E8177F; --cyan:#00B8D4; --ink:#2E2E52; --muted:#7C7C96;
  --line:#E3E3EC; --bg:#FFFFFF; --soft:#F6F6FA;
  --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{color:var(--navy);line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.kicker{display:inline-block;color:var(--magenta);font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:1rem}
.lead{font-size:1.15rem;max-width:46ch}
.accent{color:var(--magenta)}
.mag-dot{color:var(--magenta)}
.small{font-size:.85rem;color:var(--muted)}
section{padding:96px 0}
section.soft{background:var(--soft)}
section.dark{background:var(--navy);color:#fff}
section.dark h2,section.dark h3{color:#fff}
section.dark .kicker{color:var(--magenta)}
section.dark p{color:#D6D6E6}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.45rem;color:var(--navy)}
.brand svg,.brand img{height:30px;width:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;font-weight:600;font-size:.92rem;color:var(--navy)}
.nav a:hover{color:var(--magenta)}
.lang{font-size:.8rem;font-weight:700;letter-spacing:.08em;color:var(--muted)}
.lang a{color:var(--muted)}
.lang a.on{color:var(--navy)}
.btn{display:inline-block;padding:14px 24px;border-radius:8px;font-weight:700;text-decoration:none;font-size:.95rem;transition:transform .12s ease,box-shadow .12s ease}
.btn:hover{transform:translateY(-1px)}
.btn-mag{background:var(--magenta);color:#fff}
.btn-mag:hover{box-shadow:0 8px 24px rgba(232,23,127,.28)}
.btn-line{border:2px solid var(--navy);color:var(--navy)}
section.dark .btn-line{border-color:#fff;color:#fff}
.nav .btn{padding:10px 18px;font-size:.88rem}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;height:2px;background:var(--navy);margin:6px 8px;border-radius:2px}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:120px 0 110px}
.hero::before,.hero::after{content:"";position:absolute;top:-20%;height:160%;width:160px;transform:rotate(45deg);pointer-events:none}
.hero::before{right:6%;background:var(--magenta)}
.hero::after{right:24%;background:#1F2458;width:110px}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff;max-width:18ch}
.hero .sub{color:var(--magenta);font-weight:800;font-size:clamp(1.2rem,2.4vw,1.7rem);margin:0 0 1.4rem;max-width:34ch}
.hero p.lead{color:#D6D6E6;margin-bottom:2rem}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-line{border-color:#fff;color:#fff}

/* layouts */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
.stack{display:grid;gap:48px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.card .num{color:var(--magenta);font-weight:800;font-size:.85rem;letter-spacing:.1em}
.card h3{margin:.3em 0 .4em}
.card p{margin:0;font-size:.95rem}
.problem-list{list-style:none;padding:0;margin:0 0 1.5rem;display:grid;gap:14px}
.problem-list li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;padding-left:14px;border-left:1px solid var(--line)}
.problem-list .num{color:var(--magenta);font-weight:800;font-size:.85rem;padding-top:.2em}
.closing{color:var(--magenta);font-weight:800;font-size:clamp(1.2rem,2.2vw,1.55rem);margin:1.4rem 0 0;max-width:30ch}
.quote{font-style:italic;color:var(--ink)}
.foot-note{font-size:.78rem;color:var(--muted);max-width:60ch}
.tags{color:var(--magenta);font-weight:800;font-size:1.15rem;margin-top:1.2rem}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:40px}
.steps .num{color:var(--magenta);font-weight:800;font-size:.85rem}
.steps h3{margin:.25em 0 .35em;font-size:1rem}
.steps p{font-size:.9rem;margin:0}
.steps>div{border-left:1px solid var(--line);padding-left:16px}
.steps>div:first-child{border-left:0;padding-left:0}
.wide-fig{margin:32px 0 0}
.persona{color:var(--magenta);font-weight:800;font-size:.75rem;letter-spacing:.12em}
details{border-top:1px solid var(--line);padding:16px 0}
details summary{cursor:pointer;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::after{content:"+";color:var(--magenta);font-size:1.4rem;font-weight:400}
details[open] summary::after{content:"–"}
details p{margin:.6em 0 0;font-size:.95rem}
.contact{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-top:1.6rem}
.contact a.mail{font-weight:700;color:var(--magenta);text-decoration:none;font-size:1.05rem}
footer{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer a{color:var(--muted)}

/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:30;background:var(--navy);color:#fff;border-radius:12px;padding:16px 18px;display:none;gap:14px;align-items:center;flex-wrap:wrap;box-shadow:0 10px 30px rgba(20,20,66,.25);font-size:.88rem}
.cookie.show{display:flex}
.cookie p{margin:0;flex:1 1 320px;color:#D6D6E6}
.cookie a{color:#fff}
.cookie button{border:0;border-radius:6px;padding:10px 16px;font-weight:700;cursor:pointer;font-family:inherit}
.cookie .ok{background:var(--magenta);color:#fff}
.cookie .no{background:transparent;color:#fff;border:1px solid #fff}

/* legal page */
.legal{max-width:760px}
.legal h2{font-size:1.25rem;margin-top:2rem}

@media (max-width:900px){
  section{padding:64px 0}
  .hero{padding:84px 0 72px}
  .hero::before{right:-34%} .hero::after{right:-18%}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev>:first-child{order:0}
  .steps{grid-template-columns:1fr 1fr}
  .steps>div{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 24px 24px;border-bottom:1px solid var(--line);gap:18px}
  .nav.open{display:flex}
  .burger{display:block}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
}

/* v2 additions */
.small-lead{font-size:1rem;color:#B9B9CC !important;margin-top:-.4rem}
.wrap.narrow{max-width:860px}
.cols.two{grid-template-columns:1fr 1fr}
@media (max-width:700px){.cols.two{grid-template-columns:1fr}}
.sub-h{margin:44px 0 14px;font-size:1.15rem}
.layers{list-style:none;counter-reset:l;padding:0;margin:0 0 28px;display:grid;gap:0}
.layers li{counter-increment:l;display:grid;grid-template-columns:44px 220px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line);font-size:.95rem;align-items:start}
.layers li::before{content:"0" counter(l);color:var(--magenta);font-weight:800;font-size:.85rem;padding-top:.15em}
.layers li strong{color:var(--navy)}
.invite{margin-top:2rem;display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-weight:600;color:var(--navy)}
section.dark .invite{color:#fff}
.persona{margin-bottom:.6rem;font-size:.85rem}
#paraquem .card p{font-size:.95rem}
.essay{max-width:720px}
.essay h1{margin-bottom:1.2rem}
.essay p{font-size:1.08rem;line-height:1.7}
.essay h2{font-size:1.4rem;margin-top:2.2rem}
.essay .sign{color:var(--muted);font-size:.95rem;margin-top:2rem}
@media (max-width:900px){.layers li{grid-template-columns:36px 1fr;grid-template-rows:auto auto}.layers li span{grid-column:2}}

/* v3: hierarchy pass */
.split{grid-template-columns:0.9fr 1.1fr}
.split.rev{grid-template-columns:1.1fr 0.9fr}
.steps h3{font-size:1.08rem}
.steps p{font-size:.97rem}
#console .card h3{font-size:1.25rem}
#console .card p{font-size:1rem}
.card .who{margin-top:.9rem;padding-top:.9rem;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.principles .card h3{font-size:1.2rem;color:var(--magenta)}
details.tiny{border:0;padding:6px 0 0}
details.tiny summary{font-size:.85rem;color:var(--muted);font-weight:600}
details.tiny summary::after{font-size:1.1rem}
.sig{padding:56px 0}
.sig-title{font-weight:800;color:var(--navy);font-size:1.15rem;margin-bottom:.6rem}
.essay .lead{margin-bottom:2rem}
@media (max-width:900px){.split,.split.rev{grid-template-columns:1fr}}
.essay-fig{margin:8px 0 36px}