/* Renda.app - shared styles for SEO calculators */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#EAECF0;--bg-light:#F4F5F7;--bg-dark:#D8DBE2;--primary:#4CAD5B;--primary-dark:#2D7A3A;--primary-xl:#E4F3E6;--text:#1E2A32;--text-2:#3D4F5F;--text-3:#5F7282;--text-4:#7A8B98;--gold:#C4A55A;--rust:#E8734A;--neu-shadow:8px 8px 20px rgba(174,180,190,.45),-8px -8px 20px rgba(255,255,255,.8);--neu-shadow-sm:4px 4px 10px rgba(174,180,190,.4),-4px -4px 10px rgba(255,255,255,.75);--neu-inset:inset 4px 4px 10px rgba(174,180,190,.4),inset -4px -4px 10px rgba(255,255,255,.75);--radius:16px;--radius-lg:24px;--radius-xl:32px}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-dark)}

.nav{position:sticky;top:0;background:var(--bg);z-index:50;padding:14px 24px;border-bottom:1px solid var(--bg-dark)}
.nav-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:24px}
.logo{font-size:22px;font-weight:700;color:var(--text);text-decoration:none}.logo span{color:var(--primary)}
.nav-cta{padding:10px 20px;background:var(--primary);color:#fff !important;border-radius:100px;text-decoration:none;font-weight:700;font-size:13px;box-shadow:3px 3px 8px rgba(76,173,91,.25)}
.nav-cta:hover{background:var(--primary-dark);text-decoration:none}

.hero{padding:48px 24px 24px;text-align:center;max-width:820px;margin:0 auto}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:16px}
.crumbs a{color:var(--text-3)}
.hero h1{font-size:clamp(28px,4.2vw,40px);font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:14px}
.hero h1 em{font-style:italic;color:var(--primary)}
.hero .lede{font-size:17px;color:var(--text-2);max-width:620px;margin:0 auto;line-height:1.55}

.calc-wrap{max-width:760px;margin:24px auto 48px;padding:0 24px}
.calc-card{background:var(--bg);border-radius:var(--radius-xl);box-shadow:var(--neu-shadow);padding:36px 32px}
@media(max-width:600px){.calc-card{padding:26px 22px}}

.field-group{margin-bottom:18px}
.field-group label{display:block;font-size:13px;font-weight:700;color:var(--text-2);margin-bottom:8px;letter-spacing:.2px}
.field-group label small{font-weight:500;color:var(--text-4);margin-left:6px}
.field-group input,.field-group select{width:100%;padding:14px 18px;border:none;border-radius:12px;background:var(--bg);box-shadow:var(--neu-inset);font-size:16px;font-family:inherit;color:var(--text);outline:none;transition:box-shadow .2s}
.field-group input:focus,.field-group select:focus{box-shadow:var(--neu-inset),0 0 0 3px rgba(76,173,91,.25)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.field-row{grid-template-columns:1fr}}

.result-card{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:var(--radius-lg);padding:28px 26px;margin-top:26px;text-align:center;box-shadow:0 10px 30px rgba(76,173,91,.25);transition:opacity .25s}
.result-card.hidden{opacity:.4;filter:saturate(.6)}
.result-card .r-label{font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;opacity:.85;margin-bottom:6px}
.result-card .r-big{font-size:clamp(36px,6vw,52px);font-weight:800;letter-spacing:-1.5px;line-height:1.05;margin-bottom:6px;font-variant-numeric:tabular-nums}
.result-card .r-sub{font-size:14px;opacity:.92;margin-bottom:0}
.result-card .r-detail{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.2);font-size:13px;opacity:.88;text-align:left}
.result-card .r-detail dl{display:grid;grid-template-columns:1fr auto;gap:6px 16px}
.result-card .r-detail dd{font-weight:700;font-variant-numeric:tabular-nums}

.cta-block{background:var(--bg);border-radius:var(--radius-lg);padding:28px;margin:24px 0;text-align:center;box-shadow:var(--neu-shadow-sm)}
.cta-block h3{font-size:18px;font-weight:800;margin-bottom:6px;letter-spacing:-.2px}
.cta-block p{color:var(--text-3);margin-bottom:14px;font-size:14px}
.cta-block a{display:inline-block;padding:12px 24px;background:var(--primary);color:#fff !important;border-radius:100px;font-weight:700;text-decoration:none;font-size:14px;box-shadow:3px 3px 8px rgba(76,173,91,.3)}
.cta-block a:hover{background:var(--primary-dark);text-decoration:none}

.faq-section{max-width:760px;margin:32px auto;padding:0 24px}
.faq-section h2{font-size:22px;font-weight:800;letter-spacing:-.3px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--bg-dark)}
.faq-item{padding:18px 0;border-bottom:1px solid var(--bg-dark)}
.faq-item h3{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--text)}
.faq-item p{font-size:14px;color:var(--text-3);line-height:1.65}

.related-calcs{max-width:760px;margin:32px auto;padding:0 24px}
.related-calcs h2{font-size:18px;font-weight:800;letter-spacing:-.2px;margin-bottom:14px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.related-grid a{display:block;padding:16px 18px;background:var(--bg);border-radius:14px;box-shadow:var(--neu-shadow-sm);text-decoration:none;color:var(--text);font-size:14px;font-weight:700;transition:all .2s}
.related-grid a:hover{box-shadow:var(--neu-shadow);transform:translateY(-1px);text-decoration:none}
.related-grid a small{display:block;font-weight:500;color:var(--text-3);font-size:12px;margin-top:3px}

.callout{background:var(--bg-light);border-left:4px solid var(--primary);border-radius:12px;padding:14px 18px;margin:16px 0;font-size:14px;color:var(--text-2);line-height:1.6}
.callout strong{display:block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--primary-dark);margin-bottom:6px}
.callout.warn{border-color:var(--rust)}
.callout.warn strong{color:var(--rust)}

.footer{padding:36px 24px;border-top:1px solid var(--bg-dark);font-size:13px;color:var(--text-3);text-align:center}
.footer a{color:var(--text-3);margin:0 10px;text-decoration:none}
.footer a:hover{color:var(--primary)}

.valid-ok{color:#22C55E}
.valid-err{color:var(--rust)}
.nif-result{margin-top:20px;padding:18px 22px;border-radius:14px;background:var(--bg-light);font-size:15px;display:none}
.nif-result.show{display:block}
.nif-result.ok{background:var(--primary-xl);color:var(--primary-dark);border:1px solid rgba(76,173,91,.3)}
.nif-result.err{background:#FEE7DE;color:#A53F1F;border:1px solid rgba(232,115,74,.4)}
.nif-result h3{font-size:16px;font-weight:800;margin-bottom:6px}
.nif-result p{font-size:13px;line-height:1.55;margin-bottom:0;opacity:.9}