/* ===== Yarna — landing PT · tema escuro firmeza da marca ===== */
:root{
  --bg:#1C1714;
  --bg-2:#231D17;
  --surface:#2A2219;
  --line:#3A3128;
  --line-2:#5A5246;
  --cream:#F6F1E8;
  --muted:#B9AE9C;
  --muted-2:#8F8676;
  --saffron:#E8B339;
  --saffron-dk:#231D17;
  --yr-font-serif:'Fraunces',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --radius:16px;
  --wrap:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--cream);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.6;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--saffron);text-decoration:none}
a:hover{color:#f2c866}
em{font-style:normal;color:var(--saffron)}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:400;line-height:1.08;letter-spacing:-.015em;margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ===== botões ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:'Inter',sans-serif;font-weight:600;font-size:16px;
  padding:14px 24px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .12s ease,background .15s ease,box-shadow .15s ease;
  text-align:center;white-space:nowrap;
}
.btn--primary{background:var(--saffron);color:var(--saffron-dk);box-shadow:0 6px 22px rgba(232,179,57,.22)}
.btn--primary:hover{background:#f0c24f;color:var(--saffron-dk);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--cream);border-color:var(--line-2)}
.btn--ghost:hover{color:var(--cream);border-color:var(--saffron);background:rgba(232,179,57,.06)}
.btn--lg{padding:17px 32px;font-size:17px;border-radius:14px}
.cta-note{color:var(--muted);font-size:14px;margin:12px 0 0}
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--saffron);margin:0}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:800;background:rgba(28,23,20,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:inline-flex;align-items:center}
.brand-logo{height:30px;width:auto;display:block}
.logo--sm .brand-logo{height:26px}
.header-cta{padding:9px 16px;font-size:14px}

/* ===== hero ===== */
.hero{padding:56px 0 40px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;left:-10%;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,179,57,.14),rgba(232,179,57,0) 60%);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;position:relative}
.hero__title{font-size:clamp(2.1rem,8vw,3.9rem);font-weight:400;letter-spacing:-.025em}
.hero__title .hv{display:none}
.hero__title .hv.is-on{display:block}
.hero__eyebrow{margin-bottom:18px}
.hero__sub{color:var(--muted);font-size:clamp(1.05rem,4vw,1.3rem);margin:22px 0 0;max-width:30ch;line-height:1.5}
.hero__cta{margin-top:30px}
.hero__cta .btn{width:100%;max-width:400px}

/* A/B switch */
/* Hidden for real visitors; the preview toggle appears only with ?ab=1.
   The ?h=a|b|c URL split still works regardless of this widget. */
.ab-switch{display:none;align-items:center;gap:6px;margin-bottom:22px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 12px}
body.ab-preview .ab-switch{display:inline-flex}
.ab-switch__label{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--muted-2)}
.ab-switch__btn{width:28px;height:28px;border-radius:50%;border:0;background:transparent;color:var(--muted);
  font-weight:700;font-size:13px;cursor:pointer;transition:.15s}
.ab-switch__btn.is-active{background:var(--saffron);color:var(--saffron-dk)}

/* device */
.hero__device{display:flex;justify-content:center;align-items:center}
.device{
  width:min(258px,64vw);border-radius:34px;overflow:hidden;flex:0 0 auto;align-self:center;
  background:#0e0b09;border:1px solid var(--line-2);
  box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 0 1px rgba(246,241,232,.04) inset;
}
.device__media{width:100%;height:auto;display:block}
.device--sm{width:min(226px,56vw);border-radius:30px}

/* ===== secções ===== */
.section{padding:64px 0}
.section__title{font-size:clamp(1.7rem,6vw,2.7rem);margin-bottom:36px;text-align:center;text-wrap:balance}

/* dor */
.pain{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain__grid{display:grid;grid-template-columns:1fr;gap:16px}
.pain__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.pain__num{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--saffron);letter-spacing:.14em}
.pain__card p{margin:12px 0 0;font-size:1.12rem;line-height:1.5}

/* passos */
.step{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;margin-bottom:52px}
.step__num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;
  background:var(--saffron);color:var(--saffron-dk);font-family:'Fraunces',serif;font-weight:500;font-size:22px}
.step__text h3{font-size:clamp(1.35rem,5vw,1.9rem);margin:16px 0 10px}
.step__text p{color:var(--muted);font-size:1.08rem;max-width:44ch}
.step__media{display:flex;justify-content:center;align-items:center}
.steps__cta{text-align:center;margin-top:8px}

/* características */
.features__grid{display:grid;grid-template-columns:1fr;gap:14px}
.feat{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.feat__ico{display:inline-block;font-size:26px;color:var(--saffron);line-height:1}
.feat h3{font-size:1.2rem;margin:14px 0 6px}
.feat p{color:var(--muted);font-size:1rem;margin:0}
.features__note{text-align:center;margin:34px auto 0;max-width:34ch;color:var(--cream);
  font-family:'Fraunces',serif;font-size:1.25rem;font-style:italic;line-height:1.4}

/* ROI */
.roi{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.roi__inner{text-align:center;max-width:760px}
.roi__title{font-size:clamp(1.8rem,6.4vw,2.9rem);text-wrap:balance;margin-bottom:34px}
.roi__math{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.roi__cell{display:flex;flex-direction:column;gap:6px;min-width:150px}
.roi__big{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2rem,8vw,3rem);color:var(--saffron)}
.roi__big small{font-size:.42em;color:var(--muted);font-weight:600}
.roi__cell:first-child .roi__big{color:var(--cream)}
.roi__lbl{color:var(--muted);font-size:.95rem}
.roi__vs{color:var(--muted-2);font-style:italic;font-family:'Fraunces',serif;font-size:1.3rem}
.roi__body{color:var(--muted);font-size:1.1rem;margin:0 auto 30px;max-width:36ch}

/* confiança */
.quote{margin:0 auto 44px;max-width:720px;text-align:center}
.quote p{font-family:'Fraunces',serif;font-size:clamp(1.3rem,5vw,1.9rem);line-height:1.32;font-weight:400;text-wrap:pretty}
.quote footer{margin-top:20px;display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap}
.quote__by{color:var(--muted)}
.quote__tag{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--saffron);
  border:1px solid var(--line-2);border-radius:999px;padding:3px 10px}
.trust__row{display:grid;grid-template-columns:1fr;gap:16px;max-width:820px;margin:0 auto}
.trust__item{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.trust__item h3{font-size:1.3rem;margin-bottom:10px}
.trust__item p{color:var(--muted);margin:0}

/* FAQ — secção clara de respiro */
.faq{background:var(--cream);color:var(--saffron-dk)}
.faq .section__title{color:var(--saffron-dk)}
.faq__inner{max-width:760px}
.faq__list{display:flex;flex-direction:column;gap:0}
.faq__item{border-bottom:1px solid #e0d6c4}
.faq__item summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;position:relative;
  font-family:'Fraunces',serif;font-weight:500;font-size:1.2rem;color:#231D17}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-size:1.6rem;color:var(--saffron);font-family:'Inter',sans-serif;transition:transform .2s}
.faq__item[open] summary::after{content:"–"}
.faq__a{padding:0 0 22px}
.faq__a p{margin:0;color:#5a4f3f;font-size:1.05rem}

/* CTA final */
.final-cta{background:var(--bg-2);border-top:1px solid var(--line);text-align:center}
.final-cta__inner{max-width:720px}
.final-cta__title{font-size:clamp(1.8rem,6.4vw,2.8rem);margin-bottom:30px;text-wrap:balance}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:34px 0;padding-bottom:calc(34px + env(safe-area-inset-bottom))}
.site-footer__inner{display:flex;flex-direction:column;gap:18px;align-items:center;text-align:center}
.site-footer__links{display:flex;gap:22px;flex-wrap:wrap;justify-content:center}
.site-footer__links a{color:var(--muted);font-size:.95rem}
.site-footer__links a:hover{color:var(--saffron)}
.site-footer__copy{color:var(--muted-2);font-size:.88rem}

/* sticky CTA (mobile) */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:700;padding:12px 16px;
  padding-bottom:calc(12px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(28,23,20,0),rgba(28,23,20,.96) 34%);
  transform:translateY(120%);transition:transform .28s ease;pointer-events:none}
.sticky-cta.is-shown{transform:translateY(0);pointer-events:auto}
.sticky-cta .btn{width:100%}

/* modal */
.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-end;justify-content:center}
.modal[hidden]{display:none}
.modal__backdrop{position:absolute;inset:0;background:rgba(10,8,6,.66);backdrop-filter:blur(3px)}
.modal__card{position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:22px 22px 0 0;width:100%;max-width:460px;padding:30px 24px calc(30px + env(safe-area-inset-bottom));
  box-shadow:0 -20px 60px rgba(0,0,0,.5);animation:sheet .28s ease}
@keyframes sheet{from{transform:translateY(24px);opacity:.4}to{transform:translateY(0);opacity:1}}
.modal__close{position:absolute;top:14px;right:16px;background:transparent;border:0;color:var(--muted);
  font-size:26px;line-height:1;cursor:pointer;width:32px;height:32px}
.modal__close:hover{color:var(--cream)}
.modal__title{font-size:1.55rem;margin-bottom:6px}
.modal__lead{color:var(--muted);margin:0 0 22px;font-size:1rem}
.pm-opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pm-opt{display:flex;flex-direction:column;align-items:center;gap:12px;padding:22px 12px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:16px;color:var(--cream);
  cursor:pointer;transition:.15s;font-family:'Inter',sans-serif}
.pm-opt:hover{border-color:var(--saffron);background:rgba(232,179,57,.06)}
.pm-opt__name{font-weight:600;font-size:1.05rem}
.pm-opt__ico{width:34px;height:34px;background:var(--cream);
  -webkit-mask:center/contain no-repeat;mask:center/contain no-repeat;
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M16.36 12.9c-.02-2.13 1.74-3.15 1.82-3.2-.99-1.45-2.53-1.65-3.08-1.67-1.31-.13-2.56.77-3.23.77-.66 0-1.69-.75-2.78-.73-1.43.02-2.75.83-3.48 2.11-1.48 2.57-.38 6.37 1.06 8.46.7 1.02 1.54 2.17 2.63 2.13 1.06-.04 1.46-.68 2.74-.68 1.28 0 1.64.68 2.76.66 1.14-.02 1.86-1.04 2.56-2.07.81-1.19 1.14-2.34 1.16-2.4-.03-.01-2.23-.85-2.44-3.38zM14.3 6.64c.58-.71.98-1.68.87-2.66-.84.03-1.86.56-2.47 1.26-.54.62-1.02 1.62-.89 2.57.94.07 1.9-.47 2.49-1.17z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M16.36 12.9c-.02-2.13 1.74-3.15 1.82-3.2-.99-1.45-2.53-1.65-3.08-1.67-1.31-.13-2.56.77-3.23.77-.66 0-1.69-.75-2.78-.73-1.43.02-2.75.83-3.48 2.11-1.48 2.57-.38 6.37 1.06 8.46.7 1.02 1.54 2.17 2.63 2.13 1.06-.04 1.46-.68 2.74-.68 1.28 0 1.64.68 2.76.66 1.14-.02 1.86-1.04 2.56-2.07.81-1.19 1.14-2.34 1.16-2.4-.03-.01-2.23-.85-2.44-3.38zM14.3 6.64c.58-.71.98-1.68.87-2.66-.84.03-1.86.56-2.47 1.26-.54.62-1.02 1.62-.89 2.57.94.07 1.9-.47 2.49-1.17z'/%3E%3C/svg%3E")}
.pm-opt__ico--droid{
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M6 18a1 1 0 0 0 1 1h1v3.5a1.5 1.5 0 0 0 3 0V19h2v3.5a1.5 1.5 0 0 0 3 0V19h1a1 1 0 0 0 1-1V9H6v9zM3.5 9A1.5 1.5 0 0 0 2 10.5v6a1.5 1.5 0 0 0 3 0v-6A1.5 1.5 0 0 0 3.5 9zm17 0a1.5 1.5 0 0 0-1.5 1.5v6a1.5 1.5 0 0 0 3 0v-6A1.5 1.5 0 0 0 20.5 9zM15.6 3.2l1.3-1.3a.3.3 0 0 0-.42-.42l-1.47 1.47A5.4 5.4 0 0 0 12 2.3c-.95 0-1.84.24-2.6.65L7.93 1.48a.3.3 0 0 0-.42.42l1.3 1.3A5.3 5.3 0 0 0 6.5 8h11a5.3 5.3 0 0 0-1.9-4.8zM9.7 6.2a.7.7 0 1 1 0-1.4.7.7 0 0 1 0 1.4zm4.6 0a.7.7 0 1 1 0-1.4.7.7 0 0 1 0 1.4z'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M6 18a1 1 0 0 0 1 1h1v3.5a1.5 1.5 0 0 0 3 0V19h2v3.5a1.5 1.5 0 0 0 3 0V19h1a1 1 0 0 0 1-1V9H6v9zM3.5 9A1.5 1.5 0 0 0 2 10.5v6a1.5 1.5 0 0 0 3 0v-6A1.5 1.5 0 0 0 3.5 9zm17 0a1.5 1.5 0 0 0-1.5 1.5v6a1.5 1.5 0 0 0 3 0v-6A1.5 1.5 0 0 0 20.5 9zM15.6 3.2l1.3-1.3a.3.3 0 0 0-.42-.42l-1.47 1.47A5.4 5.4 0 0 0 12 2.3c-.95 0-1.84.24-2.6.65L7.93 1.48a.3.3 0 0 0-.42.42l1.3 1.3A5.3 5.3 0 0 0 6.5 8h11a5.3 5.3 0 0 0-1.9-4.8zM9.7 6.2a.7.7 0 1 1 0-1.4.7.7 0 0 1 0 1.4zm4.6 0a.7.7 0 1 1 0-1.4.7.7 0 0 1 0 1.4z'/%3E%3C/svg%3E")}
.notify{margin-top:22px;border-top:1px solid var(--line);padding-top:22px}
.notify__lead{margin:0 0 14px;font-size:.98rem;color:var(--muted)}
.notify__row{display:flex;gap:10px;flex-wrap:wrap}
.notify__row input{flex:1 1 180px;min-width:0;background:var(--surface);border:1px solid var(--line-2);
  border-radius:12px;padding:13px 14px;color:var(--cream);font:inherit;font-size:16px}
.notify__row input:focus{outline:none;border-color:var(--saffron)}
.notify__row .btn{flex:0 0 auto}
.notify__ok{margin:14px 0 0;color:var(--saffron);font-weight:600}

/* ===== desktop ===== */
@media(min-width:760px){
  .pain__grid{grid-template-columns:repeat(3,1fr)}
  .features__grid{grid-template-columns:repeat(3,1fr)}
  .trust__row{grid-template-columns:1fr 1fr}
  .step{grid-template-columns:1fr 1fr;gap:48px}
  .step--rev .step__text{order:2}
  .step__text h3{margin-top:18px}
  .sticky-cta{display:none}
  .modal{align-items:center}
  .modal__card{border-radius:22px;padding-bottom:30px;animation:pop .24s ease}
  @keyframes pop{from{transform:scale(.96);opacity:.4}to{transform:scale(1);opacity:1}}
}
@media(min-width:960px){
  .hero{padding:80px 0 64px}
  .hero__grid{grid-template-columns:1.05fr .95fr;gap:48px}
  .hero__device{justify-content:flex-end}
  .device{width:272px}
}
@media(min-width:760px) and (max-width:959px){
  .hero__grid{grid-template-columns:1.2fr .8fr}
}