/* ÍRIS · design system v4 — híbrido: DNA Euler Tech (dark bands + gold + mono) sobre miolo claro p/ o público */
:root{
  --bg:#fbfaf8;--card:#ffffff;
  --ink:#17131f;--text:#17131f;--ink-2:#454052;--muted:#6d6a78;
  --border:rgba(23,19,31,.09);--border-strong:rgba(23,19,31,.17);
  --blue:#2563EB;--blue-300:#93C5FD;
  --gold:#F59E0B;--gold-600:#D97706;--on-gold:#0a0a0b;--gold-soft:rgba(245,158,11,.12);
  --violet:#6D28D9;--violet-2:#8B5CF6;
  --accent:#6D28D9;--accent-chip:#efe9fb;--accent-deep:#4C1D95;
  --dk-bg:#0a0a0b;--dk-elev:#101114;--dk-text:#ECEEF2;--dk-muted:#A1A7B3;
  --dk-border:rgba(255,255,255,.08);--dk-border-strong:rgba(255,255,255,.15);
  --wa:#1faa59;--wa-deep:#128c4b;
  --sh-s:0 1px 2px rgba(23,19,31,.05),0 4px 16px rgba(23,19,31,.06);
  --sh-m:0 2px 5px rgba(23,19,31,.06),0 18px 48px rgba(23,19,31,.12);
  --r:16px;--ease:cubic-bezier(.22,.61,.36,1)
}
.theme-est{--accent:#b25e75;--accent-chip:#f8ecf0;--accent-deep:#8c3f55}
.theme-pet{--accent:#2f6d62;--accent-chip:#e9f2ee;--accent-deep:#1f4d45}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;font-size:16px;color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip}
h1,h2,h3{font-family:Inter,sans-serif;font-weight:700;line-height:1.15;letter-spacing:-.02em}
::selection{background:rgba(139,92,246,.25)}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);padding:7px 13px;border:1px solid var(--border);border-radius:8px;background:var(--card);margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
/* header — banda ESCURA (DNA Euler Tech) */
header{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--dk-border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-family:Inter;font-weight:800;font-size:1.35rem;color:var(--dk-text);text-decoration:none;line-height:1;letter-spacing:.01em}
.logo em{font-style:normal;color:var(--gold)}
.logo small{display:block;font-family:'JetBrains Mono',monospace;font-size:.56rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--dk-muted);margin-top:4px}
.nav-right{display:flex;gap:10px;align-items:center}
header .btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--dk-border-strong);color:var(--dk-text)}
header .btn-ghost:hover{border-color:var(--gold)}
/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:12px;font-weight:600;font-size:.96rem;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s;cursor:pointer;min-height:48px}
.btn:active{transform:scale(.98)}
.btn svg{width:19px;height:19px;flex:none}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 6px 22px rgba(31,170,89,.3)}
.btn-wa:hover{transform:translateY(-2px);background:#23b862;box-shadow:0 10px 30px rgba(31,170,89,.38)}
.btn-primary{background:var(--gold);color:var(--on-gold);box-shadow:0 6px 22px rgba(245,158,11,.3)}
.btn-primary:hover{transform:translateY(-2px);background:#fbaa1d}
.btn-ghost{background:var(--card);border:1px solid var(--border-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--sh-s)}
.btn-sm{padding:10px 18px;font-size:.87rem;min-height:44px;border-radius:10px}
/* hero — claro com glow suave */
.hero{padding:76px 0 56px;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative}
.hero::before{content:"";position:absolute;inset:-120px -40% auto;height:460px;background:radial-gradient(50% 60% at 50% 30%,var(--accent-chip),transparent 72%);pointer-events:none;z-index:-1}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.2rem);margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .sub{font-size:1.12rem;color:var(--ink-2);max-width:33rem;margin-bottom:30px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hint{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);margin-top:16px}
.hint svg{width:15px;height:15px;color:var(--gold)}
/* mockup WhatsApp */
.phone{background:#efe7dd;border-radius:34px;overflow:hidden;max-width:365px;margin:0 auto;border:9px solid #17131f;box-shadow:0 8px 20px rgba(23,19,31,.16),0 36px 90px rgba(23,19,31,.24);position:relative}
.phone::after{content:"";position:absolute;top:9px;left:50%;transform:translateX(-50%);width:96px;height:22px;background:#17131f;border-radius:0 0 14px 14px}
.chat-head{background:#008069;color:#fff;padding:16px 16px 12px;display:flex;align-items:center;gap:11px;padding-top:34px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--gold));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.02rem;color:#fff;flex:none}
.chat-head b{font-size:.95rem;display:block;font-weight:600}
.chat-head small{font-size:.72rem;opacity:.85}
.chat{padding:16px 12px 20px;display:flex;flex-direction:column;gap:9px}
.msg{max-width:84%;padding:9px 12px 7px;border-radius:12px;font-size:.855rem;line-height:1.45;box-shadow:0 1px 1px rgba(0,0,0,.07);color:#111;position:relative}
.in{background:#fff;align-self:flex-start;border-top-left-radius:3px}
.out{background:#d9fdd3;align-self:flex-end;border-top-right-radius:3px}
.msg .t{display:flex;justify-content:flex-end;align-items:center;gap:3px;font-size:.62rem;color:#8a9a91;margin-top:2px}
.out .t::after{content:"✓✓";color:#53bdeb;font-size:.66rem;letter-spacing:-1px}
/* seções */
section{padding:88px 0}
.sec-head{max-width:44rem;margin:0 auto 52px;text-align:center}
.sec-title{font-size:clamp(1.7rem,3.2vw,2.3rem);margin-bottom:14px}
.sec-sub{color:var(--muted);font-size:1.03rem}
/* faixa de dor — banda ESCURA (DNA) */
.pain{background:var(--dk-bg);border-top:1px solid var(--dk-border);border-bottom:1px solid var(--dk-border);color:var(--dk-text);text-align:center;padding:72px 0}
.pain h2{font-size:clamp(1.4rem,2.6vw,1.85rem);max-width:46rem;margin:0 auto 14px;font-weight:600}
.pain h2 em{font-style:normal;color:var(--gold)}
.pain p{color:var(--dk-muted);max-width:38rem;margin:0 auto;font-size:.98rem}
/* cards — claros */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:30px 26px;box-shadow:var(--sh-s);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--sh-m)}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--accent-chip);color:var(--accent-deep);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ico svg{width:21px;height:21px}
.card h3{font-size:1.06rem;margin-bottom:8px;font-weight:650}
.card p{font-size:.92rem;color:var(--muted)}
/* passos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:32px 26px 26px;background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh-s)}
.step::before{counter-increment:step;content:"0" counter(step);font-family:'JetBrains Mono',monospace;font-size:1.9rem;font-weight:600;color:var(--accent);opacity:.25;position:absolute;top:16px;right:22px;line-height:1}
.step h3{font-size:1rem;margin-bottom:8px;font-weight:650}
.step p{font-size:.92rem;color:var(--muted)}
/* comparativo */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px;margin:0 auto}
.comp{border-radius:var(--r);padding:32px 30px}
.comp.old{background:transparent;border:1px dashed var(--border-strong)}
.comp.new{background:var(--card);border:1px solid var(--border-strong);box-shadow:var(--sh-m);position:relative;overflow:hidden}
.comp.new::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--accent),var(--gold))}
.comp h3{font-size:.8rem;font-family:'JetBrains Mono',monospace;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.comp .price{font-size:2rem;font-weight:800;margin-bottom:16px;letter-spacing:-.02em}
.comp.new .price{color:var(--accent-deep)}
.comp ul{list-style:none}
.comp li{font-size:.92rem;padding:7px 0;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.comp li svg{width:17px;height:17px;flex:none;margin-top:3px}
.comp.old li svg{color:#c3bfcc}
.comp.new li{color:var(--ink-2)}
.comp.new li svg{color:var(--gold-600)}
/* faq */
.faq{max-width:720px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 22px;margin-bottom:10px;transition:box-shadow .25s,border-color .25s}
.faq details[open]{border-color:var(--border-strong);box-shadow:var(--sh-s)}
.faq summary{font-weight:600;cursor:pointer;font-size:.96rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:28px}
.faq summary::after{content:"+";font-family:'JetBrains Mono',monospace;font-size:1.2rem;color:var(--gold-600);transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary::-webkit-details-marker{display:none}
.faq p{margin-top:10px;font-size:.92rem;color:var(--muted)}
/* cta final — banda ESCURA (DNA) */
.final{background:linear-gradient(150deg,var(--dk-bg),#161028 60%,var(--dk-bg));border:1px solid var(--dk-border-strong);color:var(--dk-text);text-align:center;border-radius:22px;padding:64px 30px;margin-bottom:88px;position:relative;overflow:hidden}
.final::before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.16),transparent 65%);top:-200px;right:-130px}
.final h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:12px}
.final p{color:var(--dk-muted);margin-bottom:30px}
/* planos — claros, hot dourado */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:56px 0 18px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:34px 30px;display:flex;flex-direction:column;box-shadow:var(--sh-s);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-m)}
.plan.hot{border:1px solid rgba(217,119,6,.55);box-shadow:0 0 0 1px rgba(245,158,11,.25),0 22px 56px rgba(23,19,31,.16);position:relative}
.plan.hot::before{content:"MAIS ESCOLHIDO";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--on-gold);font-family:'JetBrains Mono',monospace;font-size:.62rem;font-weight:700;letter-spacing:.14em;padding:6px 14px;border-radius:8px;white-space:nowrap}
.plan h3{font-size:1.25rem;margin-bottom:2px}
.plan .for{font-size:.85rem;color:var(--muted);margin-bottom:20px}
.plan .price{font-size:2.4rem;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.plan .price small{font-size:.9rem;color:var(--muted);font-weight:500}
.plan ul{list-style:none;margin:20px 0 26px;flex:1}
.plan li{font-size:.92rem;padding:7px 0;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start}
.plan li svg{width:17px;height:17px;flex:none;margin-top:3px;color:var(--gold-600)}
.plan li.no{color:#b6b2bf}
.plan li.no svg{color:#d6d2dd}
/* footer — banda ESCURA (DNA) */
footer{background:var(--dk-bg);border-top:1px solid var(--dk-border);padding:34px 0;text-align:center;color:var(--dk-muted);font-size:.85rem}
footer a{color:var(--blue-300);text-decoration:none}
footer a:hover{text-decoration:underline}
/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}*{scroll-behavior:auto!important}}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
/* vitrine de conversas */
.demos{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.demo{display:flex;flex-direction:column;gap:16px}
.demo .cap{text-align:center;font-size:.86rem;color:var(--muted)}
.demo .cap b{display:block;font-weight:650;font-size:.95rem;color:var(--ink);margin-bottom:2px}
.phone.mini{max-width:310px;border-width:7px;border-radius:28px}
.phone.mini::after{width:80px;height:18px}
.phone.mini .chat{min-height:0;padding-bottom:16px}
.phone.mini .chat-head{padding-top:28px}
.phone.mini .msg{font-size:.82rem}
.badge-sys{align-self:center;background:#d5e7f2;color:#3b5a6b;font-size:.66rem;padding:4px 12px;border-radius:8px;box-shadow:0 1px 1px rgba(0,0,0,.06)}
@media(max-width:860px){
  .hero{grid-template-columns:1fr;padding:44px 0 40px;gap:40px}
  section{padding:60px 0}
  .grid3,.steps,.compare,.plans{grid-template-columns:1fr}
  .phone{max-width:330px}
  .final{padding:48px 22px}
  .demos{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:18px;padding:4px 24px 18px;margin:0 -24px;-webkit-overflow-scrolling:touch}
  .demos::-webkit-scrollbar{display:none}
  .demo{flex:0 0 82%;scroll-snap-align:center}
}