/* =========================================================
   Reduz Gás — folha de estilo principal
   1. Tokens · 2. Base · 3. Componentes · 4. Seções · 5. Responsivo
   ========================================================= */

/* ---------- 1. TOKENS ---------- */
:root{
  /* Paleta oficial da Reduz Gás, extraída do material de marca.
     navy, azul-profundo, azul-médio, cinza-azulado e off-white. */
  --navy-900:#0B1320;   /* fundo escuro principal */
  --navy-800:#101B2C;   /* faixa de números, derivado */
  --navy-700:#1C3F60;   /* azul médio da marca */
  --blue-700:#002C4B;   /* azul profundo da marca, cor de ação */
  --blue-600:#1C3F60;
  --steel-300:#AFC1D0;  /* cinza-azulado da marca */
  --steel-200:#C8D6E2;  /* derivado, texto sobre escuro */
  --paper:#F3F6FA;      /* off-white da marca */

  /* Derivados da marca, cada um com uma função.
     Azul: ação e navegação. Verde: dinheiro economizado. Âmbar: atenção. */
  --azure-500:#1E8FD5;  /* azul vivo, mesma família do #002C4B */
  --azure-600:#0F6FA8;  /* fundo de botão, contraste 5,2:1 com branco */
  --azure-050:#E8F3FB;
  --green-600:#0E8A57;
  --green-500:#12A366;
  --green-050:#E6F7EF;
  --amber-600:#B5720A;
  --amber-500:#E8940F;
  --amber-050:#FDF2E0;

  --ink:#0B1320;
  --body:#4B5B6C;
  --muted:#7E8EA0;
  --line:#DFE7EF;
  --bg:#FFFFFF;
  --bg-soft:#F3F6FA;
  --tint:#E7EDF4;       /* fundo de chips e selos, derivado do off-white */

  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(12,23,34,.06), 0 4px 12px rgba(12,23,34,.05);
  --shadow-md:0 8px 30px rgba(12,23,34,.10);
  --shadow-lg:0 24px 60px rgba(6,17,31,.18);

  --ff-display:'Sora', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ff-body:'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --container:1160px;
  --header-h:76px;
}

/* ---------- 2. BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff-body);
  font-size:17px;
  line-height:1.65;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--ff-display);color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.3vw,2.4rem);font-weight:700}
h3{font-size:1.14rem;font-weight:700}
p{margin:0 0 1rem}
a{color:var(--azure-600);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
ul{margin:0;padding:0;list-style:none}

:focus-visible{outline:3px solid var(--azure-500);outline-offset:3px;border-radius:6px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--navy-900);color:#fff;padding:12px 18px;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}
.container-narrow{max-width:820px}

/* ---------- 3. COMPONENTES ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--ff-body);font-weight:600;font-size:.97rem;line-height:1;
  padding:14px 22px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn .ico{width:19px;height:19px;flex:none}
.btn-primary{background:linear-gradient(135deg,var(--azure-500),var(--azure-600));color:#fff;box-shadow:0 8px 22px rgba(15,111,168,.32)}
.btn-primary:hover{background:linear-gradient(135deg,var(--azure-600),#0A5B8C);box-shadow:0 12px 28px rgba(15,111,168,.42);color:#fff}

.btn-ghost{background:rgba(243,246,250,.06);color:var(--paper);border-color:rgba(175,193,208,.45)}
.btn-ghost:hover{background:rgba(243,246,250,.14);color:#fff}
.btn-lg{padding:17px 28px;font-size:1.02rem}
.btn-sm{padding:11px 18px;font-size:.9rem}
.btn-block{display:flex;width:100%}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.79rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--azure-500);margin:0 0 18px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green-500);flex:none}
.eyebrow-dark{color:var(--azure-600)}

.grad{color:var(--paper)}

.section{padding:clamp(64px,8vw,110px) 0}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--navy-900);color:var(--steel-300)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin:0 auto clamp(40px,5vw,62px);text-align:center}
.section-head .eyebrow{justify-content:center}
.section-sub{font-size:1.06rem;color:inherit;margin:0}
.section:not(.section-dark) .section-sub{color:var(--body)}
.section-dark .section-sub,.section-contact .section-sub,.hero .lead{color:var(--steel-200)}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--azure-500)}
.card-ico{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:13px;background:var(--azure-050);color:var(--azure-600);margin-bottom:16px;
}
.card-ico svg{width:23px;height:23px}
.card-ico.ico-ok{background:var(--green-050);color:var(--green-600)}
.card-ico.ico-atencao{background:var(--amber-050);color:var(--amber-600)}
.card p{margin:0;font-size:.98rem}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  background:rgba(11,19,32,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(175,193,208,.14);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:auto;height:30px;flex:none;display:block}
.brand-text{font-family:var(--ff-display);font-weight:600;font-size:1.22rem;color:var(--paper);letter-spacing:-.02em}
.brand-text strong{font-weight:800;color:var(--azure-500)}

.nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{color:var(--steel-300);font-size:.94rem;font-weight:500;text-decoration:none;transition:color .18s}
.nav-list a:hover{color:#fff}

.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle-bars{display:block;width:24px}
.nav-toggle-bars i{display:block;height:2px;background:var(--paper);border-radius:2px;margin:5px 0;transition:transform .25s ease, opacity .2s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;background:var(--navy-900);color:var(--steel-300);overflow:hidden;padding:clamp(56px,7vw,92px) 0 clamp(70px,8vw,110px)}
.hero-glow{
  position:absolute;inset:-30% -10% auto -10%;height:120%;
  background:radial-gradient(54% 50% at 18% 14%, rgba(30,143,213,.30), transparent 64%),
             radial-gradient(46% 44% at 86% 4%, rgba(18,163,102,.18), transparent 62%),
             radial-gradient(60% 60% at 60% 100%, rgba(0,44,75,.55), transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero h1{color:#fff;margin-bottom:22px}
.hero .lead{font-size:1.12rem;max-width:56ch;margin-bottom:30px}
.hero .lead strong{color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.hero-note{font-size:.9rem;color:var(--steel-300);opacity:.85;margin:0}

.hero-card{
  background:linear-gradient(170deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-lg);backdrop-filter:blur(6px);
}
.hero-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px}
.tag{font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-300);background:rgba(243,246,250,.08);padding:6px 11px;border-radius:999px}
.tag-green{color:#06281A;background:#43D9A3}
.hero-card-title{font-size:1.1rem;color:#fff;margin-bottom:20px}
.hero-card-rows{border-top:1px solid rgba(255,255,255,.12)}
.hero-card-rows li{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.95rem}
.hero-card-rows b{font-family:var(--ff-display);color:#fff;font-size:1.02rem;white-space:nowrap}
.hero-card-rows b.green,.green{color:#43D9A3}
.hero-card-foot{margin:16px 0 0;font-size:.85rem;color:var(--steel-300);opacity:.85}

/* ---------- STATS ---------- */
.stats{background:var(--navy-800);border-top:1px solid rgba(255,255,255,.07);padding:38px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stat b{display:block;font-family:var(--ff-display);font-weight:800;font-size:clamp(1.8rem,3.4vw,2.5rem);color:#fff;letter-spacing:-.03em}
.stat span{display:block;font-size:.9rem;color:var(--steel-300);margin-top:6px}

/* ---------- SERVIÇOS ---------- */
.services .service{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);padding:28px;transition:background .2s ease, border-color .2s ease;
}
.services .service:hover{background:rgba(243,246,250,.08);border-color:rgba(30,143,213,.5)}
.service h3{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:1.1rem}
.svc-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;
  border-radius:10px;background:rgba(30,143,213,.18);color:#6FC0F5;font-size:.82rem;font-weight:700;
}
.service p{margin:0;font-size:.97rem}

.cta-inline{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:40px;padding:26px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(30,143,213,.18),rgba(18,163,102,.14));
  border:1px solid rgba(30,143,213,.34);
}
.cta-inline p{margin:0;color:var(--paper);font-size:1.02rem;font-weight:500}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--shadow-sm)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:50%;background:linear-gradient(135deg,var(--azure-500),var(--azure-600));
  color:#fff;font-family:var(--ff-display);font-weight:700;margin-bottom:16px;
}
.step h3{margin-bottom:8px}
.step p{font-size:.96rem;margin-bottom:14px}
.step-time{display:inline-block;font-size:.8rem;font-weight:600;color:var(--green-600);background:var(--green-050);padding:5px 11px;border-radius:999px}

/* ---------- SPLIT / DIFERENCIAIS ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-text h2{margin-bottom:14px}
.checklist{margin-top:26px;display:grid;gap:14px}
.checklist li{position:relative;padding-left:34px;font-size:.99rem}
.checklist li b{color:var(--ink)}
.checklist li::before{
  content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;
  background:var(--green-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/13px no-repeat;
}

.compare{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-md)}
.compare-title{font-size:1.06rem;margin-bottom:18px}
.compare-table{width:100%;border-collapse:collapse;font-size:.93rem}
.compare-table th,.compare-table td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table thead th{font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600}
.compare-table tbody th{font-weight:600;color:var(--ink);width:34%}
.compare-table .good{color:var(--green-600);font-weight:600}
.compare-table tr:last-child th,.compare-table tr:last-child td{border-bottom:0}

/* ---------- PILLS ---------- */
.pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.pills li{
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:12px 20px;
  font-size:.96rem;font-weight:500;color:var(--ink);box-shadow:var(--shadow-sm);
}

/* ---------- SIMULADOR ---------- */
.sim{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:start;max-width:960px;margin-inline:auto}
.sim-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:30px;display:grid;gap:26px}
.sim-form label{display:block;font-weight:600;color:#fff;margin-bottom:9px;font-size:.96rem}
.input-prefix{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:12px;overflow:hidden}
.input-prefix span{padding:0 14px;color:#9FB4C7;font-weight:600;font-size:1rem}
.input-prefix input{flex:1;background:none;border:0;padding:14px 14px 14px 0;color:#fff;font-family:var(--ff-display);font-size:1.32rem;font-weight:700;width:100%}
.input-prefix input:focus{outline:none}
.input-prefix:focus-within{border-color:var(--azure-500);box-shadow:0 0 0 3px rgba(30,143,213,.28)}
.sim-form select{
  width:100%;padding:13px 14px;border-radius:12px;font-family:var(--ff-body);font-size:.95rem;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;
}
.sim-form select option{color:#0C1722}
.field-hint{font-size:.83rem;color:var(--steel-300);opacity:.85;margin:9px 0 0}
input[type="range"]{width:100%;margin-top:14px;accent-color:var(--azure-500)}

.sim-result{background:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-lg);color:var(--body)}
.sim-label{font-size:.83rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600;color:var(--muted);margin:0 0 6px}
.sim-big{font-family:var(--ff-display);font-weight:800;font-size:clamp(2.2rem,4.6vw,3rem);color:var(--green-600);letter-spacing:-.03em;margin:0 0 20px;line-height:1.1}
.sim-rows{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:22px}
.sim-rows div{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;padding:13px 16px;font-size:.94rem}
.sim-rows b{font-family:var(--ff-display);color:var(--ink);white-space:nowrap}
.sim-disclaimer{font-size:.79rem;color:var(--muted);margin:16px 0 0;line-height:1.5}

/* ---------- DEPOIMENTOS ---------- */
.quote{position:relative;margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;box-shadow:var(--shadow-sm)}
.quote-badge{
  position:absolute;top:-14px;right:22px;background:var(--green-500);color:#06281A;
  font-family:var(--ff-display);font-weight:800;font-size:.92rem;padding:7px 14px;border-radius:999px;
}
.quote blockquote{margin:0 0 20px;font-size:1rem;color:var(--ink);line-height:1.6}
.quote blockquote::before{content:"“";font-family:var(--ff-display);font-size:2.4rem;color:var(--azure-500);line-height:0;vertical-align:-.28em;margin-right:4px}
.quote figcaption b{display:block;color:var(--ink);font-size:.96rem}
.quote figcaption span{display:block;font-size:.86rem;color:var(--muted);margin-top:2px}
.legend{text-align:center;font-size:.83rem;color:var(--muted);margin:26px 0 0}

/* ---------- FAQ ---------- */
.accordion{display:grid;gap:12px}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.acc-item h3{margin:0;font-size:1rem}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:20px 22px;cursor:pointer;text-align:left;
  font-family:var(--ff-display);font-weight:600;font-size:1rem;color:var(--ink);line-height:1.4;
}
.acc-btn:hover{color:var(--azure-600)}
.acc-ico{position:relative;width:18px;height:18px;flex:none}
.acc-ico::before,.acc-ico::after{content:"";position:absolute;left:50%;top:50%;background:var(--azure-600);border-radius:2px;transform:translate(-50%,-50%);transition:transform .25s ease, opacity .2s ease}
.acc-ico::before{width:14px;height:2px}
.acc-ico::after{width:2px;height:14px}
.acc-btn[aria-expanded="true"] .acc-ico::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.acc-panel{display:none;padding:0 22px 22px}
.acc-panel p{margin:0;font-size:.98rem}
.acc-item.open .acc-panel{display:block}

/* ---------- CONTATO ---------- */
.section-contact{background:linear-gradient(170deg,var(--navy-900),var(--blue-700));color:var(--steel-300)}
.section-contact h2{color:#fff}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-list{display:grid;gap:18px;margin-top:30px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .ico{width:22px;height:22px;flex:none;color:var(--azure-500);margin-top:3px}
.contact-list b{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--steel-300);font-weight:600}
.contact-list a{color:#fff;font-size:1.02rem}
.contact-list span{color:#fff;font-size:1.02rem}

.form-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg)}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card label{display:block;font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:7px}
.form-card input[type="text"],.form-card input[type="email"],.form-card input[type="tel"],.form-card select,.form-card textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-family:var(--ff-body);font-size:.97rem;color:var(--ink);background:#fff;transition:border-color .18s, box-shadow .18s;
}
.form-card textarea{resize:vertical;min-height:88px}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{outline:none;border-color:var(--azure-500);box-shadow:0 0 0 3px rgba(30,143,213,.2)}
.form-card ::placeholder{color:#9FAEBC}
.req{color:#D64545}
.check{display:flex!important;gap:11px;align-items:flex-start;font-weight:400!important;font-size:.88rem!important;color:var(--body)!important;margin:6px 0 20px!important}
.check input{width:19px;height:19px;flex:none;margin-top:2px;accent-color:var(--azure-500)}
.form-note{font-size:.82rem;color:var(--muted);text-align:center;margin:14px 0 0}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--navy-900);color:var(--steel-300);padding:62px 0 26px;font-size:.94rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin:16px 0 18px;max-width:34ch;font-size:.93rem}
.footer-col h3{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.site-footer a{color:var(--steel-300)}
.footer-col a:hover,.site-footer a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);font-size:.84rem;
}
.footer-bottom p{margin:0}

/* ---------- WHATSAPP FLUTUANTE ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:90;
  display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;
  border-radius:50%;background:#25D366;color:#fff;
  box-shadow:0 10px 26px rgba(37,211,102,.42);transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:31px;height:31px}

/* ---------- 5. RESPONSIVO ---------- */
@media (max-width:1000px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .split,.contact-wrap,.sim{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--navy-900);border-bottom:1px solid rgba(255,255,255,.1);padding:14px 20px 26px;
    box-shadow:var(--shadow-lg);max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .nav.open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list a{display:block;padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-size:1rem}
  .nav-cta{margin-top:18px;justify-content:center}
}

@media (max-width:680px){
  body{font-size:16px}
  .grid-2,.grid-3,.steps,.field-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:22px;text-align:left}
  .stat{display:flex;align-items:baseline;gap:12px}
  .stat span{margin-top:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-actions .btn{width:100%}
  .cta-inline{flex-direction:column;align-items:stretch;text-align:center}
  .cta-inline .btn{width:100%}
  .form-card,.sim-form,.sim-result,.compare{padding:22px}
  .section-head{text-align:left}
  .section-head .eyebrow{justify-content:flex-start}
  .pills{justify-content:flex-start}
  .wa-float{width:52px;height:52px;right:16px;bottom:16px}
  .wa-float svg{width:28px;height:28px}
  .compare-table{font-size:.86rem}
  .compare-table th,.compare-table td{padding:10px 6px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ---------- IMPRESSÃO ---------- */
@media print{
  .site-header,.wa-float,.hero-actions,.nav{display:none!important}
  body{color:#000;font-size:12pt}
  .section{padding:18px 0}
}

/* ---------- Complementos: frentes de serviço e cases ---------- */
.svc-tag{
  display:inline-block;margin:14px 0 0!important;padding:6px 13px;border-radius:999px;
  background:rgba(175,193,208,.16);color:var(--steel-300);
  font-size:.81rem;font-weight:600;letter-spacing:.01em;
}
.case-num{
  display:block;font-family:var(--ff-display);font-weight:800;
  font-size:clamp(1.7rem,3.4vw,2.15rem);color:var(--green-600);
  letter-spacing:-.03em;line-height:1.1;margin-bottom:8px;
}
.quote blockquote:has(.case-num)::before{content:none}


/* ---------- Frentes de serviço: cada uma com a sua cor ---------- */
.service-a .svc-num{background:rgba(30,143,213,.2);color:#6FC0F5}
.service-a .svc-tag{background:rgba(30,143,213,.18);color:#6FC0F5}
.service-a:hover{border-color:rgba(30,143,213,.55)}
.service-b .svc-num{background:rgba(18,163,102,.2);color:#43D9A3}
.service-b .svc-tag{background:rgba(18,163,102,.18);color:#43D9A3}
.service-b:hover{border-color:rgba(18,163,102,.55)}
.service-c .svc-num{background:rgba(232,148,15,.2);color:#F7BE68}
.service-c .svc-tag{background:rgba(232,148,15,.18);color:#F7BE68}
.service-c:hover{border-color:rgba(232,148,15,.55)}

/* ---------- Garantias ---------- */
.guarantees{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.guarantees li{
  display:flex;flex-direction:column;align-items:flex-start;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;
}
.guarantees b{font-size:.99rem;color:var(--ink)}
.guarantees span:not(.g-ico){font-size:.87rem;color:var(--body)}
.g-ico{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:10px;background:var(--azure-050);color:var(--azure-600);margin-bottom:8px;
}
.g-ico svg{width:20px;height:20px}
.guarantees li:nth-child(3) .g-ico{background:var(--green-050);color:var(--green-600)}

@media (max-width:1000px){
  .ledger{grid-template-columns:1fr}
  .guarantees{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .guarantees{grid-template-columns:1fr}
  .ledger-col{padding:24px 22px}
}


/* ---------- Fluxograma da cadeia do gás ---------- */
.flow{margin-bottom:26px}
.flow-track{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  align-items:stretch;margin:0 0 24px;
}
.flow-step{position:relative;display:flex;padding:0 9px}

/* seta ligando uma etapa à seguinte */
.flow-step::after{
  content:"";position:absolute;right:-7px;top:50%;width:14px;height:14px;z-index:2;
  border-top:2px solid var(--steel-300);border-right:2px solid var(--steel-300);
  transform:translateY(-50%) rotate(45deg);
}
.flow-step:last-child::after{display:none}

.flow-node{
  display:flex;flex-direction:column;align-items:center;gap:9px;width:100%;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 16px;cursor:pointer;text-align:center;font-family:var(--ff-body);
  transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease, background .2s ease;
}
.flow-node:hover{border-color:var(--azure-500);transform:translateY(-3px);box-shadow:var(--shadow-md)}

.flow-ico{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;flex:none;
  border-radius:13px;background:var(--tint);color:var(--muted);transition:background .2s, color .2s;
}
.flow-ico svg{width:24px;height:24px}
.flow-nome{font-family:var(--ff-display);font-weight:700;font-size:.97rem;color:var(--ink);line-height:1.3}
.flow-chip{
  margin-top:auto;
  font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);background:var(--tint);padding:4px 11px;border-radius:999px;
}
.flow-chip.chip-ganho{color:var(--green-600);background:var(--green-050)}

/* a etapa em que a Reduz Gás atua */
.flow-step-alvo .flow-node{border-color:rgba(30,143,213,.45)}
.flow-step-alvo .flow-ico{background:var(--azure-050);color:var(--azure-600)}
.flow-step-alvo .flow-chip{color:#fff;background:var(--azure-600)}

/* etapa selecionada */
.flow-node[aria-selected="true"]{
  background:var(--navy-900);border-color:var(--navy-900);box-shadow:var(--shadow-lg);
}
.flow-node[aria-selected="true"] .flow-nome{color:var(--paper)}
.flow-node[aria-selected="true"] .flow-ico{background:rgba(243,246,250,.12);color:var(--paper)}
.flow-node[aria-selected="true"] .flow-chip{color:var(--navy-900);background:var(--steel-300)}
.flow-step-alvo .flow-node[aria-selected="true"] .flow-chip{color:#fff;background:var(--azure-500)}
.flow-node[aria-selected="true"] .flow-chip.chip-ganho{color:#06281A;background:#43D9A3}

.flow-painel{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--azure-500);
  border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow-sm);
}
.flow-painel h3{margin-bottom:8px;font-size:1.1rem}
.flow-painel p{margin:0;font-size:1rem}
.flow-painel b{color:var(--ink)}

@media (max-width:900px){
  /* no celular o fluxo vira vertical, com as setas apontando para baixo */
  .flow-track{grid-template-columns:1fr;gap:26px;margin-bottom:22px}
  .flow-step{padding:0}
  .flow-step::after{
    right:auto;left:50%;top:auto;bottom:-20px;
    transform:translateX(-50%) rotate(135deg);
  }
  .flow-node{flex-direction:row;align-items:center;justify-content:flex-start;gap:14px;text-align:left;padding:16px 18px}
  .flow-chip{margin-top:0}
  .flow-ico{width:42px;height:42px}
  .flow-nome{flex:1}
  .flow-painel{padding:22px}
}

/* ---------- Regiões atendidas ---------- */
.regioes{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:26px}
.regiao{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);border-top:4px solid var(--azure-500);
  transition:transform .2s ease, box-shadow .2s ease;
}
.regiao:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.regiao h3{font-size:1.06rem;margin-bottom:10px}
.regiao p{margin:0;font-size:.95rem}

.checagem{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px}
.checagem-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--azure-050);border-radius:var(--radius-lg);padding:24px;
}
.checagem-ico{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;flex:none;
  border-radius:12px;background:#fff;color:var(--azure-600);
}
.checagem-ico svg{width:22px;height:22px}
.checagem-item h3{font-size:1rem;margin-bottom:6px}
.checagem-item p{margin:0;font-size:.94rem}

@media (max-width:1000px){
  .regioes{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .regioes,.checagem{grid-template-columns:1fr}
  .checagem-item{padding:20px}
}