/* ============================================================
   NOTA FISCAL ÁGIL — Design System
   Identidade: petróleo + verde-água · SaaS fiscal para o digital
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* Marca */
  --petrol-950:#062e2b;
  --petrol-800:#0b4a44;
  --petrol-700:#0a5d54;
  --petrol-600:#0c7a6e;   /* primária */
  --petrol-500:#12968a;
  --aqua-500:#19c9b1;     /* acento verde-água */
  --aqua-400:#2fd4be;
  --aqua-200:#a9efe3;
  --aqua-100:#d7f7f0;

  /* Neutros (grafite esverdeado) */
  --ink:#0e1f1c;
  --ink-2:#3f524d;
  --muted:#71847e;
  --line:#e2ede9;
  --line-2:#d3e4de;
  --bg:#ffffff;
  --bg-soft:#f2f8f6;
  --white:#ffffff;

  /* Estado */
  --danger:#e5484d;
  --warn:#f5a524;

  /* Tipografia */
  --font-display:"Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body:"Inter", -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;

  /* Ritmo */
  --wrap:1140px;
  --wrap-narrow:760px;
  --radius:16px;
  --radius-sm:11px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(6,46,43,.06), 0 2px 6px rgba(6,46,43,.05);
  --shadow-md:0 12px 30px -12px rgba(6,46,43,.18);
  --shadow-lg:0 30px 60px -22px rgba(6,46,43,.28);
  --gap:clamp(1rem,3vw,2rem);
  --section-y:clamp(3.5rem,7vw,6rem);
}

/* ---------- Reset base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-size:clamp(1rem,.97rem + .2vw,1.06rem);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--petrol-600);text-decoration:none}
a:hover{color:var(--petrol-700)}
h1,h2,h3{font-family:var(--font-display);line-height:1.12;letter-spacing:-.02em;color:var(--ink);margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2.1rem,1.4rem + 3.2vw,3.6rem)}
h2{font-size:clamp(1.7rem,1.2rem + 2vw,2.5rem)}
h3{font-size:1.18rem;letter-spacing:-.01em}
p{margin:0 0 1rem}
ul,ol{margin:0;padding:0;list-style:none}
.mono{font-family:var(--font-display);font-feature-settings:"tnum" 1;letter-spacing:-.01em}

/* ---------- Acessibilidade ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--petrol-950);color:#fff;padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--aqua-500);outline-offset:2px;border-radius:6px}

/* ---------- Layout ---------- */
.wrap{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto}
.wrap.narrow{max-width:var(--wrap-narrow)}
.center{text-align:center}
.section{padding-block:var(--section-y)}
.section-soft{background:var(--bg-soft)}
.section-sub{color:var(--ink-2);font-size:1.08rem;max-width:52ch;margin-inline:auto}
.narrow.center{margin-bottom:2.6rem}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:600;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;color:var(--petrol-600);margin:0 0 1rem}
.center-eyebrow{justify-content:center;width:100%}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--aqua-500);box-shadow:0 0 0 4px var(--aqua-100)}

/* ---------- Botões ---------- */
.btn{
  --_bg:var(--petrol-600);--_fg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-display);font-weight:600;font-size:.98rem;
  padding:.72rem 1.25rem;border-radius:999px;border:1.5px solid transparent;
  background:var(--_bg);color:var(--_fg);cursor:pointer;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{--_bg:var(--petrol-600);box-shadow:0 8px 20px -8px rgba(12,122,110,.6)}
.btn-primary:hover{--_bg:var(--petrol-700);color:#fff;box-shadow:0 12px 26px -8px rgba(12,122,110,.7)}
.btn-ghost{--_bg:transparent;--_fg:var(--petrol-700);border-color:var(--line-2)}
.btn-ghost:hover{--_bg:var(--bg-soft);--_fg:var(--petrol-800)}
.btn-outline{--_bg:transparent;--_fg:var(--petrol-700);border-color:var(--petrol-600)}
.btn-outline:hover{--_bg:var(--petrol-600);--_fg:#fff;color:#fff}
.btn-sm{padding:.5rem .95rem;font-size:.9rem}
.btn-lg{padding:.9rem 1.6rem;font-size:1.05rem}
.btn.full{width:100%}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header[data-scrolled]{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:1.2rem;height:66px}
.brand{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:1.12rem;letter-spacing:-.01em}
.brand-name b{color:var(--petrol-600);font-weight:700}
.site-nav{display:flex;gap:1.5rem;margin-left:1rem}
.site-nav a{color:var(--ink-2);font-weight:500;font-size:.96rem}
.site-nav a:hover{color:var(--petrol-700)}
.header-cta{margin-left:auto;display:flex;gap:.6rem}
.nav-toggle{display:none;margin-left:auto;flex-direction:column;gap:4px;background:none;border:0;padding:.5rem;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.menu-mobile{display:none;flex-direction:column;gap:.3rem;padding:.6rem 1.2rem 1.2rem}
.menu-mobile a{padding:.7rem .2rem;color:var(--ink);font-weight:500;border-bottom:1px solid var(--line)}
.menu-mobile a.btn{border:0;color:#fff;margin-top:.6rem;justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;padding-block:clamp(2.6rem,5vw,5rem) var(--section-y);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 55% at 88% 8%,rgba(25,201,177,.14),transparent 60%),
  radial-gradient(50% 45% at 6% 30%,rgba(12,122,110,.08),transparent 60%);
  pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero-copy h1{margin-bottom:1rem}
.hl{color:var(--petrol-600);position:relative;white-space:nowrap}
.hl::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.34em;background:var(--aqua-200);z-index:-1;border-radius:3px}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0 1rem}
.reassurance{font-size:.92rem;color:var(--muted);margin:0}
.audience-strip{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.8rem}
.audience-strip li{font-family:var(--font-display);font-size:.82rem;font-weight:500;color:var(--petrol-700);background:var(--bg-soft);border:1px solid var(--line-2);padding:.3rem .7rem;border-radius:999px}

/* Hero visual — janela do app */
.hero-visual{position:relative}
.glow{position:absolute;inset:-8% -6% -12% -6%;background:radial-gradient(60% 60% at 60% 40%,rgba(25,201,177,.18),transparent 70%);filter:blur(10px);z-index:-1}
.app-window{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.app-bar{display:flex;align-items:center;gap:.7rem;padding:.6rem .9rem;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.app-bar .dots{display:flex;gap:5px}
.app-bar .dots i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.app-url{font-family:var(--font-display);font-size:.78rem;color:var(--muted)}
.app-body{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;padding:.95rem}
.emit-card,.nota-card{border:1px solid var(--line);border-radius:var(--radius-sm);padding:.85rem;background:#fff}
.emit-title{font-family:var(--font-display);font-weight:600;font-size:.9rem;margin:0 0 .7rem;color:var(--ink)}
.fld{display:block;margin-bottom:.6rem}
.fld span{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:.15rem}
.fld b{font-weight:600;font-size:.86rem;color:var(--ink)}
.emit-btn{margin-top:.3rem;background:var(--petrol-600);color:#fff;font-family:var(--font-display);font-weight:600;font-size:.84rem;text-align:center;padding:.55rem;border-radius:9px;position:relative;overflow:hidden}
.spark{position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.5) 50%,transparent 70%);transform:translateX(-100%);animation:spark 3.5s ease-in-out infinite}
@keyframes spark{0%,60%{transform:translateX(-100%)}80%,100%{transform:translateX(100%)}}
.nota-card{background:linear-gradient(180deg,#fff,#fbfefd);border-color:var(--line-2)}
.nota-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.55rem}
.nfe-badge{font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.05em;color:var(--petrol-700);background:var(--aqua-100);padding:.15rem .5rem;border-radius:6px}
.nota-status{display:inline-flex;align-items:center;gap:.25rem;font-family:var(--font-display);font-weight:600;font-size:.74rem;color:var(--petrol-600)}
.nota-num{font-size:.7rem;color:var(--muted);margin:0 0 .6rem}
.nota-row{display:flex;justify-content:space-between;font-size:.78rem;padding:.28rem 0;border-top:1px dashed var(--line)}
.nota-row span{color:var(--muted)}
.nota-row b{font-weight:600}
.nota-foot{margin-top:.6rem;font-size:.72rem;color:var(--petrol-600);background:var(--aqua-100);border-radius:7px;padding:.35rem .5rem;text-align:center}

/* reveal */
[data-reveal]{opacity:0;transform:translateY(14px)}
[data-reveal].is-in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none}.spark{animation:none}}

/* ---------- Grids / cards ---------- */
.grid{display:grid;gap:var(--gap)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .2s ease,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.card h3{margin-bottom:.35rem}
.card p{margin:0;color:var(--ink-2);font-size:.98rem}

/* Problema — balões de DM */
.bubbles{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;max-width:900px;margin-inline:auto}
.bubble{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:.95rem 1.1rem;box-shadow:var(--shadow-sm);color:var(--ink);font-size:.98rem}
.bubble:nth-child(even){border-radius:16px 16px 4px 16px;background:var(--bg-soft)}

/* Nichos */
.niche h3{color:var(--petrol-700)}
.niche.wide{grid-column:span 3}
@media (min-width:721px){.niche.wide{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(120deg,var(--petrol-950),var(--petrol-700));border-color:transparent}
.niche.wide h3,.niche.wide p{color:#fff}.niche.wide p{opacity:.9}}

/* Como funciona — steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:s;margin-bottom:2.4rem}
.step{position:relative;padding-top:.4rem}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;background:var(--petrol-950);color:var(--aqua-400);font-family:var(--font-display);font-weight:700;font-size:1.15rem;margin-bottom:.9rem}
.step h3{margin-bottom:.3rem}
.step p{color:var(--ink-2);font-size:.96rem}
.step:not(:last-child)::after{content:"";position:absolute;top:22px;left:56px;right:-8px;height:2px;background:linear-gradient(90deg,var(--line-2),transparent)}

/* Benefícios */
.features .feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.3rem}
.feature h3{font-size:1.05rem;margin-bottom:.25rem;display:flex;align-items:center;gap:.5rem}
.feature h3::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--aqua-500);flex:none}
.feature p{margin:0;color:var(--ink-2);font-size:.94rem}

/* Split (afiliados / influenciadores) */
.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.split.reverse .split-visual{order:-1}
.split-copy p{color:var(--ink-2)}
.split-copy .note{font-size:.9rem;color:var(--muted);border-left:3px solid var(--line-2);padding-left:.9rem}
.check-list{margin:1rem 0 1.4rem;display:grid;gap:.55rem}
.check-list li{position:relative;padding-left:1.7rem;color:var(--ink-2)}
.check-list li::before{content:"";position:absolute;left:0;top:.35em;width:16px;height:16px;border-radius:50%;background:var(--aqua-100);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5 6.5 11 12.5 4.5' fill='none' stroke='%230c7a6e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.flow{display:grid;gap:.6rem;counter-reset:f}
.flow li{counter-increment:f;position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem .8rem 3rem;font-weight:500;box-shadow:var(--shadow-sm)}
.flow li::before{content:counter(f);position:absolute;left:.7rem;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:8px;background:var(--petrol-950);color:var(--aqua-400);font-family:var(--font-display);font-weight:700;font-size:.85rem;display:grid;place-items:center}
.pull{margin:0;background:linear-gradient(130deg,var(--petrol-950),var(--petrol-700));color:#fff;border-radius:var(--radius-lg);padding:2.2rem}
.pull p{font-family:var(--font-display);font-size:1.5rem;line-height:1.35;margin:0;letter-spacing:-.01em}

/* Diferenciais — comparação */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);max-width:900px;margin-inline:auto}
.compare-col{border-radius:var(--radius);padding:1.5rem}
.compare-title{font-family:var(--font-display);font-weight:600;font-size:1.05rem;margin:0 0 1rem}
.compare-col ul{display:grid;gap:.6rem}
.compare-col li{padding-left:1.6rem;position:relative;color:var(--ink-2)}
.compare-manual{background:var(--bg-soft);border:1px solid var(--line)}
.compare-manual li::before{content:"–";position:absolute;left:.3rem;color:var(--muted);font-weight:700}
.compare-agil{background:linear-gradient(160deg,#fff,var(--aqua-100));border:1px solid var(--aqua-200)}
.compare-agil .compare-title{color:var(--petrol-700)}
.compare-agil li{color:var(--ink)}
.compare-agil li::before{content:"";position:absolute;left:0;top:.35em;width:16px;height:16px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5 6.5 11 12.5 4.5' fill='none' stroke='%230c7a6e' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}

/* Planos */
.plans{align-items:stretch}
.plan{display:flex;flex-direction:column;position:relative}
.plan-desc{color:var(--ink-2);font-size:.95rem;margin-bottom:1rem}
.plan-price{font-family:var(--font-display);font-weight:700;font-size:1.6rem;margin:.2rem 0 1rem;color:var(--ink)}
.price-note{font-size:1.05rem;color:var(--petrol-600);font-weight:600}
.plan-feats{display:grid;gap:.55rem;margin:0 0 1.4rem}
.plan-feats li{padding-left:1.6rem;position:relative;color:var(--ink-2);font-size:.95rem}
.plan-feats li::before{content:"";position:absolute;left:0;top:.35em;width:15px;height:15px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5 6.5 11 12.5 4.5' fill='none' stroke='%2312968a' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.plan a{margin-top:auto}
.plan-featured{border-color:var(--petrol-600);box-shadow:0 20px 50px -20px rgba(12,122,110,.45)}
.plan-featured .plan-tag{position:absolute;top:-.8rem;left:50%;transform:translateX(-50%);background:var(--petrol-600);color:#fff;font-family:var(--font-display);font-weight:600;font-size:.72rem;letter-spacing:.03em;padding:.25rem .75rem;border-radius:999px;white-space:nowrap}
.fineprint{font-size:.85rem;color:var(--muted);margin-top:1.4rem}

/* Calculadora */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(1.3rem,3vw,2.2rem);box-shadow:var(--shadow-md);max-width:900px;margin-inline:auto}
.calc-form{display:grid;gap:1rem;align-content:start}
.calc-field label{display:block;font-family:var(--font-display);font-weight:600;font-size:.9rem;margin-bottom:.35rem}
.calc-field input{width:100%;font-size:1.1rem;font-family:var(--font-display);padding:.7rem .9rem;border:1.5px solid var(--line-2);border-radius:11px;background:var(--bg-soft);color:var(--ink)}
.calc-field input:focus{border-color:var(--petrol-500);background:#fff;outline:none}
.calc-result{background:linear-gradient(160deg,var(--petrol-950),var(--petrol-700));color:#fff;border-radius:var(--radius);padding:1.4rem;display:grid;gap:.9rem;align-content:center}
.calc-metric{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:.7rem}
.calc-label{color:var(--aqua-200);font-size:.9rem}
.calc-value{font-size:1.5rem;color:#fff}
.calc-cta-text{font-size:.92rem;color:rgba(255,255,255,.85);margin:.2rem 0 .3rem}
.calc-result .btn{justify-self:start}

/* Prova social (dark) */
.section-dark{background:var(--petrol-950);color:#fff}
.section-dark h2{color:#fff}
.section-sub.light{color:rgba(255,255,255,.75)}
.quote-card{margin:0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1.5rem}
.quote-card blockquote{margin:0 0 .8rem;font-family:var(--font-display);font-size:1.05rem;line-height:1.4}
.quote-card figcaption{color:var(--aqua-200);font-size:.82rem}
.placeholder-card blockquote{color:rgba(255,255,255,.9)}

/* FAQ */
.faq{display:grid;gap:.7rem}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:1.1rem 1.2rem;font-family:var(--font-display);font-weight:600;font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:20px;height:20px;flex:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 8l5 5 5-5' fill='none' stroke='%230c7a6e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--petrol-700)}
.faq-a{padding:0 1.2rem 1.2rem;color:var(--ink-2)}
.faq-a p{margin:0}

/* CTA band + formulário */
.cta-band{background:linear-gradient(150deg,var(--petrol-950) 0%,var(--petrol-700) 100%);color:#fff}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.cta-copy h2{color:#fff}
.cta-copy p{color:rgba(255,255,255,.85)}
.cta-points{display:grid;gap:.6rem;margin-top:1.2rem}
.cta-points li{position:relative;padding-left:1.8rem;color:#fff}
.cta-points li::before{content:"";position:absolute;left:0;top:.3em;width:18px;height:18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M4 9.5 7.5 13 14 5' fill='none' stroke='%232fd4be' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.lead-form{background:#fff;border-radius:var(--radius-lg);padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow-lg);display:grid;gap:.9rem}
.field{display:grid;gap:.35rem}
.field label{font-family:var(--font-display);font-weight:600;font-size:.88rem;color:var(--ink)}
.field .opt{color:var(--muted);font-weight:400}
.field input,.field select{width:100%;padding:.7rem .85rem;border:1.5px solid var(--line-2);border-radius:11px;font-size:1rem;font-family:var(--font-body);color:var(--ink);background:#fff}
.field input:focus,.field select:focus{outline:none;border-color:var(--petrol-500);box-shadow:0 0 0 3px var(--aqua-100)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:var(--danger)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.82rem;color:var(--muted);margin:.2rem 0 0;text-align:center}
.form-status{margin:0;font-size:.92rem;font-weight:500;text-align:center}
.form-status[data-state="ok"]{color:var(--petrol-600)}
.form-status[data-state="err"]{color:var(--danger)}

/* ---------- Footer ---------- */
.site-footer{background:var(--petrol-950);color:rgba(255,255,255,.8);padding-block:3rem 1.6rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.site-footer .brand,.site-footer .brand:hover{color:#fff}
.site-footer .brand-name{color:#fff}
.site-footer .brand-name b{color:var(--aqua-400)}
.footer-tag{margin:.9rem 0 .5rem;font-size:.92rem;max-width:34ch}
.footer-contact a{color:var(--aqua-200)}
.footer-col h3{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.9rem}
.footer-col a{display:block;color:rgba(255,255,255,.72);padding:.28rem 0;font-size:.94rem}
.footer-col a:hover{color:#fff}
.footer-mini{font-size:.9rem;margin-bottom:1rem}
.footer-base{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.82rem;color:rgba(255,255,255,.55)}
.footer-legal{max-width:44ch}

/* ---------- WhatsApp + CTA mobile ---------- */
.whatsapp-fab{position:fixed;right:16px;bottom:16px;z-index:90;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-md);transition:transform .15s}
.whatsapp-fab:hover{transform:scale(1.06);color:#fff}
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:85;padding:.7rem .9rem calc(.7rem + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 -6px 20px -12px rgba(6,46,43,.3)}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:960px){
  .hero-grid,.split-grid,.cta-grid{grid-template-columns:1fr}
  .split.reverse .split-visual{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .site-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .menu-mobile{display:none}
  .site-header[data-open] .menu-mobile{display:flex}
  .grid-3{grid-template-columns:1fr}
  .niche.wide{grid-column:auto}
  .bubbles{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .calc{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .mobile-cta{display:block}
  .whatsapp-fab{bottom:76px}
  body{padding-bottom:0}
  .hero{padding-bottom:2rem}
}
@media (max-width:480px){
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-base{flex-direction:column}
}

/* Print */
@media print{.site-header,.mobile-cta,.whatsapp-fab,.cta-band,.hero-visual{display:none}}