:root{--paper:#fbf8f1;--ink:#0b1e3b;--red:#ff4c32;--blue:#347ee9;--yellow:#ffb91f;--green:#67c7a0;--purple:#9b78df;--line:#dedbd4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}.site-header{height:78px;max-width:1120px;margin:auto;padding:0 24px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--line)}.brand{font:700 35px/1 Baskerville,"Iowan Old Style",Georgia,serif}.brand span{color:var(--red)}nav{display:flex;gap:34px;font-size:12px}nav a:hover,.section-top>a:hover{text-decoration:underline}.all-tools{justify-self:end;background:var(--red);color:white;padding:14px 22px;border-radius:999px;font-size:12px}.all-tools b{font-size:17px;margin-left:10px}.hero{max-width:1120px;height:620px;margin:auto;position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:48px;overflow:hidden}.hero-copy{z-index:2}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.28em;margin:0 0 12px}.hero h1,.section-top h2,.faq h2{font-family:Baskerville,"Iowan Old Style",Georgia,serif;font-weight:500}.hero h1{font-size:68px;line-height:.88;letter-spacing:-2.5px;margin:0 0 18px}.hero-copy>p:last-child{font-size:14px;line-height:1.5;margin:0 0 22px}.calculator{z-index:3;width:380px;padding:20px 22px 18px;background:rgba(255,255,255,.72);border:1px solid #ece8df;border-radius:20px;box-shadow:0 16px 36px rgba(11,30,59,.06)}.values{display:grid;grid-template-columns:1fr 20px 1fr;gap:9px;align-items:center}.values input,.unknown{width:100%;min-width:0;height:46px;border:1px solid #dcd9d2;border-radius:9px;background:#fffdfa;font-size:19px;text-align:center;color:var(--ink);outline:none}.values input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(255,76,50,.09)}.values>span{font-size:25px}.unknown{display:grid;place-items:center;color:var(--red);background:#fff3ef;font:700 25px Georgia,serif}.mode-switch{width:235px;margin:11px auto 0;padding:0;border:0;display:grid;grid-template-columns:1fr 1fr;border-radius:999px;background:#f1f0ec;overflow:hidden}.mode-switch legend{position:absolute;width:1px;height:1px;overflow:hidden}.mode-switch label{padding:9px 8px;font-size:11px;cursor:pointer}.mode-switch label.active{background:var(--ink);color:white;border-radius:999px}.mode-switch input{position:absolute;opacity:0}.mode-help{font-size:10px;line-height:1.35;margin:7px 0 10px;color:#3d4960}.primary{width:100%;height:44px;border:0;border-radius:999px;background:var(--red);color:white;font-size:15px;cursor:pointer}.primary span{margin-left:12px;font-size:19px}.error{min-height:12px;margin:5px 0 -7px;font-size:10px;color:#a32f20}.deco{position:absolute;font-family:Baskerville,Georgia,serif;font-weight:700;line-height:.8;user-select:none}.d3{left:-25px;top:55px;font-size:330px;color:var(--red);transform:rotate(-4deg)}.dq{right:-10px;top:70px;font-size:330px;color:var(--yellow);transform:rotate(6deg)}.ddiv{left:68px;bottom:25px;font-size:130px;color:var(--blue);transform:rotate(-12deg)}.dx{right:-28px;bottom:-22px;font-size:210px;color:var(--green);transform:rotate(8deg)}.result-band{max-width:980px;margin:auto;min-height:225px;padding:30px 0 35px;display:grid;grid-template-columns:43% 57%;border-bottom:1px solid var(--line)}.result-main{padding-left:65px;border-right:1px solid var(--line)}.answer-row{display:flex;align-items:center}.answer-row strong{font:500 105px/.8 Baskerville,"Iowan Old Style",Georgia,serif;letter-spacing:-4px}.answer-row i{font-style:normal;font-size:68px;color:var(--yellow);transform:rotate(180deg);margin-left:16px}.result-main>p:last-child{font:19px/1.15 Baskerville,Georgia,serif;margin:12px 0}.steps{padding-left:48px}.steps ol{list-style:none;padding:0;margin:12px 0 0;counter-reset:steps}.steps li{counter-increment:steps;display:grid;grid-template-columns:34px 1.25fr 1fr;align-items:center;gap:8px;font-size:11px;margin:9px 0}.steps li:before{content:counter(steps);width:28px;height:28px;border-radius:50%;background:#f0eee8;display:grid;place-items:center}.steps li b{font-weight:400}.examples,.articles,.faq{max-width:980px;margin:auto;padding:35px 0}.section-top{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}.section-top h2,.faq h2{font-size:42px;line-height:.9;letter-spacing:-1.2px;margin:0}.section-top>a,.example-grid a,.article-grid a{color:var(--red);font-size:11px;border-bottom:1px solid currentColor;padding-bottom:3px}.example-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.example-grid article{min-height:185px;padding:14px 16px;border:1px solid #e8e4dc;border-radius:10px;background:#fff}.example-grid article:nth-child(1){background:#fff3ef}.example-grid article:nth-child(2){background:#f0f6ff}.example-grid article:nth-child(3){background:#fff8e7}.example-grid article:nth-child(4){background:#eef9f3}.example-grid em,.article-grid em{font:500 61px/.8 Baskerville,Georgia,serif;font-style:normal}.example-grid article:nth-child(1) em{color:#ff6e55}.example-grid article:nth-child(2) em{color:var(--blue)}.example-grid article:nth-child(3) em{color:var(--yellow)}.example-grid article:nth-child(4) em{color:var(--green)}.example-grid h3{font:700 19px/1 Baskerville,Georgia,serif;margin:10px 0 5px}.example-grid p{font-size:11px;line-height:1.3;min-height:45px;margin:0 0 10px}.articles{padding-top:10px}.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.article-grid article{min-height:142px;border:1px solid #e8e4dc;border-radius:10px;padding:16px;display:grid;grid-template-columns:60px 1fr;grid-template-rows:1fr auto;background:#fff}.article-grid article:nth-child(1){background:#fff4f0}.article-grid article:nth-child(2){background:#f1f6ff}.article-grid article:nth-child(3){background:#fff9e8}.article-grid article:nth-child(4){background:#f5f0ff}.article-grid em{font-size:52px;color:var(--red)}.article-grid article:nth-child(2) em{color:var(--blue)}.article-grid article:nth-child(3) em{color:var(--yellow)}.article-grid article:nth-child(4) em{color:var(--purple)}.article-grid h3{font:500 15px/1.08 Baskerville,Georgia,serif;margin:0}.article-grid a{grid-column:2}.faq{border-top:1px solid var(--line);padding-bottom:70px}.faq p:last-child{max-width:540px;line-height:1.6;font-size:14px}footer{max-width:980px;margin:auto;border-top:1px solid var(--line);padding:25px 0 45px;display:flex;justify-content:space-between;font-size:12px}footer strong{font:700 20px Baskerville,Georgia,serif}
@media(max-width:800px){.site-header{height:64px;padding:0 20px;display:flex;justify-content:space-between}.brand{font-size:29px}nav{display:none}.all-tools{padding:10px 14px;font-size:10px}.hero{height:auto;padding:44px 20px 65px}.hero h1{font-size:51px;line-height:.92}.hero-copy>p:last-child{font-size:13px}.calculator{width:min(430px,100%)}.d3,.dq{font-size:145px;opacity:.17}.d3{left:-30px;top:110px}.dq{right:-20px;top:130px}.ddiv,.dx{display:none}.result-band{margin:0 20px;padding:30px 0;grid-template-columns:1fr}.result-main{padding:0 0 28px;border-right:0;border-bottom:1px solid var(--line)}.steps{padding:28px 0 0}.examples,.articles,.faq,footer{margin:0 20px;padding-left:0;padding-right:0}.section-top{align-items:start}.section-top h2{font-size:36px}.section-top>a{display:none}.example-grid,.article-grid{grid-template-columns:1fr 1fr}.article-grid article{grid-template-columns:55px 1fr}.desktop{display:none}}@media(max-width:520px){.all-tools{display:none}.hero h1{font-size:44px}.calculator{padding:20px 16px}.values input,.unknown{height:48px;font-size:19px}.result-main{padding-left:0}.answer-row strong{font-size:90px}.steps li{grid-template-columns:32px 1fr}.steps li b{grid-column:2}.example-grid,.article-grid{grid-template-columns:1fr}.example-grid article{min-height:auto}.article-grid article{min-height:125px}.section-top h2{font-size:33px}}

/* Article navigation */
.article-page{max-width:760px;margin:0 auto;padding:72px 24px 100px}.article-page .back{display:inline-block;margin-bottom:36px;color:inherit;text-decoration:none;font-weight:700}.article-page h1{font-family:Georgia,serif;font-size:clamp(38px,6vw,64px);line-height:1.02;margin:0 0 28px}.article-page h2{font-family:Georgia,serif;font-size:30px;margin:44px 0 14px}.article-page p{font-size:18px;line-height:1.7}.article-page .math{border-left:4px solid #e5664f;padding:6px 0 6px 22px;margin:30px 0}.article-page .math strong{display:block;font-size:28px;margin:12px 0}.mini-calc{margin:40px 0;padding:28px;border:1px solid #ddd5c8;border-radius:24px;background:#fff}.mini-calc h2{margin-top:0}.mini-calc label{display:block;font-weight:700;margin:16px 0 6px}.mini-calc input,.mini-calc select{box-sizing:border-box;width:100%;padding:13px 14px;border:1px solid #cfc8bd;border-radius:12px;font:inherit;background:#fff}.mini-calc button{width:100%;margin-top:20px;border:0;border-radius:999px;padding:14px 20px;background:#e5664f;font-weight:800;font-size:16px;cursor:pointer}.mini-result{border-top:1px solid #ddd5c8;margin-top:22px;padding-top:20px}.mini-result strong{font-family:Georgia,serif;font-size:40px}.article-list-page{max-width:1120px;margin:0 auto;padding:70px 24px 100px}.article-list-page h1{font-family:Georgia,serif;font-size:clamp(44px,7vw,72px);margin:0 0 16px}.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:42px}.article-list a{display:block;padding:28px;border:1px solid #d9d1c5;border-radius:20px;color:inherit;text-decoration:none;min-height:145px}.article-list em{font-style:normal;font-size:34px;font-weight:800}.article-list h2{font-size:21px;margin:20px 0 0}.article-nav{display:flex;justify-content:space-between;gap:18px;margin-top:60px;padding-top:24px;border-top:1px solid #ddd5c8}.article-nav a{color:inherit;font-weight:700;text-decoration:none}@media(max-width:700px){.article-list{grid-template-columns:1fr}.article-page{padding-top:44px}.article-page p{font-size:17px}}

.result-band-simple{display:block;min-height:0;padding:34px 0}.result-band-simple .steps{padding:0;max-width:720px;margin:auto}.result-band-simple .steps li{grid-template-columns:34px 1.25fr 1fr}.calc-detail{font-size:13px!important;color:#596273;margin:12px 0 0!important}.example-action{cursor:pointer}.article-list em{font-family:Georgia,serif}
@media(max-width:800px){.result-band-simple{margin:0 20px}.result-band-simple .steps{padding:0}.result-band-simple .steps li{grid-template-columns:32px 1fr}.result-band-simple .steps li b{grid-column:2}}

/* V9 — artigos da home em linguagem editorial, distintos dos cards de exemplos */
.article-editorial{border-top:1px solid var(--ink);margin-top:8px}
.article-row{display:grid;grid-template-columns:72px 1fr 48px;align-items:center;min-height:92px;border-bottom:1px solid var(--line);transition:padding .2s ease,background .2s ease}
.article-row:hover{padding-left:10px;background:rgba(255,255,255,.32)}
.article-no{font-size:10px;font-weight:700;letter-spacing:.2em;color:var(--red)}
.article-row h3{font:500 25px/1.08 Baskerville,"Iowan Old Style",Georgia,serif;letter-spacing:-.25px;margin:0;max-width:690px}
.article-arrow{justify-self:end;width:34px;height:34px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-size:17px;transition:background .2s ease,color .2s ease}
.article-row:hover .article-arrow{background:var(--ink);color:var(--paper)}
@media(max-width:800px){.article-editorial{margin-top:4px}.article-row{grid-template-columns:48px 1fr 38px;min-height:82px}.article-row h3{font-size:21px}.article-arrow{width:30px;height:30px}.article-row:hover{padding-left:0;background:transparent}}
@media(max-width:520px){.article-row{grid-template-columns:36px 1fr 32px;gap:8px;min-height:88px}.article-row h3{font-size:19px}.article-no{font-size:9px}.article-arrow{width:28px;height:28px;font-size:15px}}
/* V10 — página de artigos */
.article-list-page>p:not(.eyebrow){font-size:16px;max-width:560px;line-height:1.5}.article-list{gap:16px 18px}.article-list .article-card{position:relative;overflow:hidden;min-height:172px;padding:30px 32px 28px;background:#fffdfa;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.article-list .article-card:after{content:'→';position:absolute;right:26px;bottom:24px;width:38px;height:38px;border:1px solid currentColor;border-radius:50%;display:grid;place-items:center;font-size:18px;opacity:.7;transition:transform .18s ease,opacity .18s ease}.article-list .article-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(11,30,59,.07);border-color:#cfc7ba}.article-list .article-card:hover:after{transform:translateX(3px);opacity:1}.article-list .article-card em{display:block;font:500 58px/.8 Baskerville,"Iowan Old Style",Georgia,serif;letter-spacing:-2px;margin-bottom:24px}.article-list .article-card h2{max-width:82%;font-family:Arial,Helvetica,sans-serif;font-size:20px;line-height:1.15;margin:0;font-weight:700}.article-list .article-card em{color:var(--red)}.article-card-01{background:#fff8f5!important}.article-card-02{background:#f7faff!important}.article-card-03{background:#fffaf0!important}.article-card-04{background:#f5fbf8!important}.articles-cta{display:flex;justify-content:center;padding-top:26px}.articles-cta a{display:inline-flex;align-items:center;gap:18px;background:var(--ink);color:#fff;border-radius:999px;padding:15px 24px;font-size:12px;font-weight:700;transition:transform .18s ease}.articles-cta a:hover{transform:translateY(-2px)}.articles-cta span{font-size:18px;line-height:1}@media(max-width:800px){.articles .section-top>a{display:none}.articles-cta{padding-top:22px}.article-list .article-card{min-height:150px;padding:24px}.article-list .article-card em{font-size:48px;margin-bottom:20px}.article-list .article-card h2{font-size:19px}.article-list .article-card:after{right:20px;bottom:20px}}

/* V11 — dúvidas + números dos artigos */
.article-list .article-card em{color:var(--red)!important}
.faq{padding-top:48px}.faq>h2{margin-bottom:30px}.faq-list{margin-top:8px;border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;font-size:16px;font-weight:700}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{flex:0 0 auto;color:var(--red);font-size:27px;font-weight:400;line-height:1;transition:transform .2s ease}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{max-width:720px;margin:-5px 52px 22px 0!important;font-size:14px!important;line-height:1.6!important;color:#3d4960}.faq-list summary:hover{color:var(--red)}
@media(max-width:800px){.faq{padding-top:38px}.faq>h2{font-size:36px}.faq-list summary{padding:19px 0;font-size:14px;line-height:1.3}.faq-list details p{margin:-3px 35px 20px 0!important;font-size:13px!important}}

.footer-right{display:flex;gap:24px;align-items:center}.footer-right a{text-decoration:underline;text-underline-offset:3px}.privacy-page h2{font:500 27px/1.1 Baskerville,"Iowan Old Style",Georgia,serif;margin:34px 0 10px}.privacy-page p{max-width:720px}.privacy-date{margin-top:42px;color:#5c6574}@media(max-width:520px){footer{gap:20px;align-items:flex-start}.footer-right{flex-direction:column;gap:8px;align-items:flex-end;text-align:right}}

/* Final mobile pass */
@media(max-width:800px){
  .site-header{position:relative;z-index:20;background:var(--paper)}
  .hero{min-height:calc(100vh - 64px);padding:30px 20px 34px;justify-content:flex-start;overflow:hidden}
  .hero-copy>p:last-child{margin-bottom:18px}
  .calculator{width:min(400px,100%);padding:18px 18px 16px}
  .result-band{margin-top:0}
  .d3,.dq{font-size:132px;opacity:.13;pointer-events:none}
  .d3{left:-38px;top:78px}.dq{right:-28px;top:95px}
}
@media(max-width:520px){
  .site-header{height:58px;padding:0 16px}
  .brand{font-size:28px}
  .hero{min-height:calc(100vh - 58px);padding:24px 16px 30px}
  .hero .eyebrow{margin-bottom:9px}
  .hero h1{font-size:42px;line-height:.91;margin-bottom:13px}
  .hero-copy>p:last-child{font-size:12.5px;line-height:1.4;margin-bottom:16px}
  .calculator{padding:16px 14px 14px;border-radius:18px}
  .values{gap:7px;grid-template-columns:1fr 16px 1fr}
  .values input,.unknown{height:44px;font-size:18px}
  .values>span{font-size:21px}
  .mode-switch{width:min(235px,100%);margin-top:10px}
  .mode-switch label{padding:8px 6px}
  .mode-help{margin:6px 0 9px}
  .primary{height:43px}
  .d3,.dq{font-size:115px;opacity:.10}
  .d3{left:-36px;top:82px}.dq{right:-28px;top:105px}
  .examples,.articles,.faq,footer{margin-left:16px;margin-right:16px}
  .result-band-simple{margin-left:16px;margin-right:16px}
  .article-row{min-height:82px}
  .faq-list summary{min-height:56px}
}
@media(max-width:360px){
  .hero{padding-left:12px;padding-right:12px}
  .hero h1{font-size:38px}
  .calculator{padding-left:12px;padding-right:12px}
  .mode-help br{display:none}
}

/* Mobile publication correction: natural flow + visible graphic identity */
@media(max-width:800px){
  .hero{min-height:0;height:auto;padding-bottom:34px;overflow:hidden}
  .d3,.dq,.ddiv,.dx{display:block;pointer-events:none;z-index:1;opacity:1}
  .d3{font-size:150px;left:-42px;top:82px;color:var(--red)}
  .dq{font-size:150px;right:-34px;top:105px;color:var(--yellow)}
  .ddiv{font-size:72px;left:-8px;bottom:16px;color:var(--blue);transform:rotate(-12deg)}
  .dx{font-size:92px;right:-18px;bottom:4px;color:var(--green);transform:rotate(8deg)}
  .hero-copy,.calculator{position:relative;z-index:3}
  .result-band-simple{margin-top:0}
}
@media(max-width:520px){
  .hero{min-height:0;padding-bottom:30px}
  .d3{font-size:120px;left:-39px;top:92px}
  .dq{font-size:120px;right:-31px;top:118px}
  .ddiv{font-size:58px;left:-9px;bottom:13px}
  .dx{font-size:76px;right:-17px;bottom:7px}
  .result-band-simple{padding-top:28px}
}

/* Mobile hamburger navigation */
.menu-toggle,.mobile-tools{display:none}
@media(max-width:800px){
  .site-header{display:flex;justify-content:space-between;align-items:center}
  .site-header nav{display:none;position:absolute;top:64px;left:16px;right:16px;z-index:50;flex-direction:column;gap:0;padding:10px 18px 14px;background:#fffdfa;border:1px solid var(--line);border-radius:16px;box-shadow:0 16px 34px rgba(11,30,59,.10)}
  .site-header.menu-open nav{display:flex}
  .site-header nav a{display:block;padding:14px 2px;border-bottom:1px solid var(--line);font-size:14px}
  .site-header nav a:last-child{border-bottom:0}
  .site-header nav .mobile-tools{display:block;color:var(--red);font-weight:700}
  .site-header>.all-tools{display:none}
  .menu-toggle{display:flex;width:44px;height:44px;padding:10px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}
  .menu-toggle span{display:block;width:24px;height:2px;margin-left:auto;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .site-header.menu-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header.menu-open .menu-toggle span:nth-child(2){opacity:0}
  .site-header.menu-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:520px){.site-header nav{top:58px}}

/* Mobile form controls: neutralize Safari/iOS native blue styling */
.mini-calc button,
.mini-calc button:link,
.mini-calc button:visited,
.mini-calc button:hover,
.mini-calc button:active,
.mini-calc button:focus {
  color: #fff;
  -webkit-text-fill-color: #fff;
  -webkit-appearance: none;
  appearance: none;
}

.mini-calc select {
  color: var(--ink);
  -webkit-text-fill-color: var(--ink);
  -webkit-appearance: none;
  appearance: none;
  padding-right: 44px;
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%230b1e3b' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px 16px;
}

.mini-calc select:focus {
  color: var(--ink);
  -webkit-text-fill-color: var(--ink);
}