:root{
  --blue-900:#1b35a2;
  --blue-800:#16348c;
  --yellow:#ffc629;
  --yellow-dark:#f0b400;
  --orange:#ff5a36;
  --red:#e6231e;
  --ink:#132049;
  --ink-soft:#5b6584;
  --shadow:0 12px 30px -12px rgba(15,42,107,.25);
}
html{scroll-behavior:smooth; overflow-x:hidden; max-width:100%;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}
section[id]{scroll-margin-top:104px;}
*{box-sizing:border-box; margin:0; padding:0;}
body{
  font-family:'Inter', sans-serif;
  color:var(--ink);
  background:#F9f9f9;
  overflow-x:hidden;
  max-width:100%;
}
h1,h2,h3,h4{font-family:'Inter', sans-serif; font-weight:800; color:var(--blue-900);}
a{text-decoration:none; color:inherit;}
ul{list-style:none;}
.container{width:100%; max-width:1180px; margin:0 auto; padding:0 24px;}
button{font-family:inherit; cursor:pointer; border:none; background:none;}
:focus-visible{outline:3px solid var(--orange); outline-offset:2px;}
.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;
}

/* ===== Top utility bar ===== */
.topbar{background:var(--blue-900); color:#cfd9ff; font-size:.78rem;}
.topbar .container{display:flex; gap:24px; height:44px; align-items:center;}
.topbar a{opacity:.85; transition:opacity .2s;}
.topbar a:hover{opacity:1; color:var(--yellow);}
.topbar a.active{opacity:1; color:var(--yellow); font-weight:700;}

/* ===== Header ===== */
header{
  background:#f9f9f9;
  position:sticky; top:0; z-index:50;
}
.nav-wrap{display:flex; align-items:center; justify-content:space-between; height:78px; margin-top:20px;}
.logo{display:flex; flex-direction:column; line-height:1;}
nav.main-nav ul{display:flex; gap:34px;}
nav.main-nav a{font-size:.82rem; font-weight:600; color:var(--blue-900); position:relative; padding:6px 0;}
nav.main-nav a::after{content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--blue-900); transition:width .25s;}
nav.main-nav a:hover::after{width:100%;}
nav.main-nav a.active::after{width:100%;}
.portal-btn{
  background:var(--yellow); color:var(--blue-900); font-weight:700; font-size:.85rem;
  padding:6px 10px; border-radius:5px; display:flex; align-items:center; gap:8px;
  box-shadow:0 6px 16px -6px rgba(240,180,0,.6);
  transition:transform .2s, box-shadow .2s;
}
.portal-btn svg{width:17px; height:17px; flex-shrink:0;}
.portal-btn:hover{transform:translateY(-2px); box-shadow:0 10px 20px -6px rgba(240,180,0,.7);}
.burger{display:none; background:none; width:40px; height:40px; position:relative;}
.mobile-topbar-links{display:none;}
.burger span, .burger::before, .burger::after{
  content:""; position:absolute; left:8px; right:8px; height:2px; background:var(--blue-900); transition:.3s;
}
.burger span{top:19px;}
.burger::before{top:12px;}
.burger::after{top:26px;}
.burger.open::before{transform:rotate(45deg); top:19px;}
.burger.open::after{transform:rotate(-45deg); top:19px;}
.burger.open span{opacity:0;}

#whatsappbutton{position:fixed; width:60px; height:60px; z-index:99999; float:right; right:35px; bottom:100px;}

/* ===== Mobile menu ===== */
.mobile-panel{
  position:fixed; inset:78px 0 0 0; background:#ffffff; z-index:49; padding:30px 24px;
  transform:translateX(100%); transition:transform .3s ease; overflow-y:auto;
}
.mobile-panel.open{transform:translateX(0);}
.mobile-panel ul{display:flex; flex-direction:column; gap:6px;}
.mobile-panel a{display:block; padding:16px 4px; font-size:1.05rem; font-weight:600; border-bottom:1px solid #eef1f9;}
.mobile-panel a.active{color:var(--orange);}
.mobile-panel .portal-btn{display:inline-flex; margin-top:24px; padding-right:15px;}

@media (max-width:720px){
  .topbar{display:none;}
  nav.main-nav{display:none;}
  .burger{display:block; margin-left:auto;}
  .nav-wrap{justify-content:flex-start;}
  .nav-wrap > .portal-btn{display:none;}
  .mobile-topbar-links{display:flex; align-items:center; gap:14px; margin-left:18px;}
  .mobile-topbar-links a{font-size:.72rem; font-weight:700; color:var(--blue-900); text-transform:uppercase; letter-spacing:.4px;}
  .mobile-topbar-links a.active{position:relative;}
  .mobile-topbar-links a.active::after{content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background:var(--yellow); border-radius:2px;}
}

/* =========================================================
   INDIQUE UM AMIGO — conteúdo próprio desta página
   ========================================================= */

/* ===== Hero + formulário ===== */
.ref-hero{background:linear-gradient(120deg, var(--blue-900) 0%, #1c40a3 60%, #2451c9 100%); padding:96px 0 0; overflow:hidden;}
.ref-hero-grid{
  display:grid; grid-template-columns:1fr minmax(380px, 460px); gap:2px; align-items:stretch;
  padding-left:0; padding-right:max(24px, calc((100vw - 1180px)/2 + 24px));
}

/* Imagem ocupa apenas a largura da coluna esquerda, encostada (2px) no formulário;
   sem sombra, sem transparência — tratada como um "background" plano da seção.
   Abaixo da imagem vem o bloco de texto, alinhado à esquerda. */
.ref-hero-left{
  display:flex; flex-direction:column; justify-content:flex-start;
}
.ref-hero-media{width:100%; line-height:0;}
.ref-hero-media img{width:100%; height:auto; display:block; object-fit:cover;}

.ref-hero-left-inner{
  width:100%; text-align:left;
  padding:28px 24px 40px max(24px, calc((100vw - 1180px)/2 + 24px));
}

.ref-hero-title{color:var(--yellow); font-size:clamp(1.7rem, 3.4vw, 2.5rem); line-height:1.15; letter-spacing:-.5px; margin-bottom:14px;}
.ref-hero-text{color:#dbe4fb; font-size:1.2rem; max-width:460px; line-height:1.6; margin:0 0 24px;}

.ref-link{display:inline-flex; align-items:center; justify-content:flex-start; gap:8px; color:var(--yellow); font-weight:700; font-size:.95rem;}
.ref-link span{text-decoration:underline;}
.ref-link-arrow{display:inline-flex; transition:transform .2s;}
.ref-link-arrow svg{width:18px; height:12px; display:block;}
.ref-link:hover .ref-link-arrow{transform:translateY(3px);}

.ref-card-wrap{display:flex; align-items:center; padding:0 24px 40px 0;}
.ref-card{
  width:100%; background:#fff; border-radius:22px; padding:36px 34px 30px; box-shadow:0 30px 60px -20px rgba(0,0,0,.35);
}
.ref-card-title{font-size:2.2rem; letter-spacing:-.5px; text-align:center; margin-bottom:26px;}
.ref-form fieldset{border:none; padding:0; margin:0 0 18px;}
.ref-form legend{font-size:1.3rem; font-weight:800; letter-spacing:-.3px; color:var(--blue-900); margin-bottom:14px; padding:0;}
.ref-form input, .ref-select select{
  width:100%; font-family:inherit; font-size:.92rem; color:var(--ink);
  padding:13px 16px; border:1.5px solid #d8deee; border-radius:10px; margin-bottom:12px; background:#fff;
  transition:border-color .2s;
}
.ref-form input::placeholder{color:#9aa2b8;}
.ref-form input:focus, .ref-select select:focus{border-color:var(--blue-900);}
.ref-form input.is-valid, .ref-select select.is-valid{border-color:#1a8f4c; background-image:none;}
.ref-form input.is-invalid, .ref-select select.is-invalid{border-color:var(--red);}
.ref-select{position:relative;}
.ref-select select{appearance:none; -webkit-appearance:none; padding-right:40px; cursor:pointer;}
.ref-select::after{
  content:"\25BE"; position:absolute; right:16px; top:14px; color:var(--ink-soft); pointer-events:none; font-size:.9rem;
}
.ref-select select:invalid{color:#9aa2b8;}

.ref-captcha-wrap{display:flex; justify-content:center; margin-bottom:18px; overflow-x:auto;}
.ref-submit{
  display:block; width:100%; background:var(--yellow); color:var(--blue-900); font-weight:800;
  font-size:1rem; padding:15px; border-radius:12px; box-shadow:0 8px 18px -8px rgba(240,180,0,.6);
  transition:transform .2s, box-shadow .2s;
}
.ref-submit:hover{transform:translateY(-2px);}
.ref-form-msg{margin-top:12px; font-size:.86rem; font-weight:700; text-align:center; min-height:1.2em;}
.ref-form-msg.ok{color:#1a8f4c;}
.ref-form-msg.err{color:var(--red);}

@media (max-width:980px){
  .ref-hero-grid{grid-template-columns:1fr; gap:0; padding-right:0;}
  .ref-hero-left-inner{max-width:none; padding:24px 24px 8px;}
  .ref-card-wrap{padding:32px 24px 40px;}
}
@media (max-width:480px){
  .ref-card{padding:26px 20px 22px;}
}

/* ===== Como funciona ===== */
.steps-section{padding:60px 0; text-align:center;}
.steps-title{font-size:clamp(1.3rem, 3vw, 1.9rem); margin-bottom:40px; text-transform:uppercase;}
.steps-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:18px; text-align:left;}
.step-card{
  background:#fff; border:1.5px solid #e3e7f3; border-radius:16px; padding:26px 24px 28px;
  transition:transform .2s, box-shadow .2s;
}
.step-card:hover{transform:translateY(-4px); box-shadow:var(--shadow);}
.step-icon{
  width:28px; height:28px; color:var(--blue-900);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
}
.step-icon svg{width:26px; height:26px;}
.step-card h3{
  position:relative; display:inline-block; font-size:1.05rem; color:var(--blue-900);
  padding-bottom:8px; margin-bottom:14px;
}
.step-card h3::after{
  content:""; position:absolute; left:0; bottom:0; width:38px; height:3px;
  background:var(--yellow); border-radius:2px;
}
.step-card p{font-size:.86rem; color:var(--ink-soft); line-height:1.55;}

@media (max-width:980px){
  .steps-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .steps-grid{grid-template-columns:1fr;}
}

/* ===== FAQ ===== */
.faq-section{background:var(--yellow); padding:64px 0;}
.faq-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:40px; align-items:start;}
.faq-eyebrow{
  position:relative; display:inline-block; color:var(--blue-900); font-weight:800; font-size:.85rem;
  letter-spacing:1.5px; margin-bottom:14px; z-index:1;
}
.faq-eyebrow::after{
  content:""; position:absolute; left:-4px; right:-4px; bottom:1px; height:9px; z-index:-1;
  background:var(--blue-900); opacity:.22; border-radius:3px 7px 5px 8px;
}
.faq-intro h2{font-size:clamp(1.5rem, 3vw, 2rem); line-height:1.15; margin-bottom:10px;}
.faq-intro p{color:#5b4b00; font-size:1.2rem;}

.faq-item{background:var(--blue-900); border-radius:14px; margin-bottom:14px; overflow:hidden;}
.faq-header{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:transparent; color:#fff; font-weight:700; font-size:1rem;
  padding:20px 22px; text-align:left;
}
.faq-chevron{display:inline-flex; transition:transform .25s; flex-shrink:0; color:#fff;}
.faq-chevron svg{width:18px; height:12px; display:block;}
.faq-header[aria-expanded="true"] .faq-chevron{transform:rotate(180deg);}
.faq-content{max-height:0; overflow:hidden; transition:max-height .3s ease; background:#fff;}
.faq-content p{padding:16px 22px; font-size:.9rem; color:var(--ink-soft); line-height:1.6;}

.faq-reg-link{grid-column:1 / -1; display:block; text-align:center; margin-top:28px; font-weight:700; color:var(--blue-900); text-decoration:underline;}

@media (max-width:900px){
  .faq-grid{grid-template-columns:1fr;}
}

/* ===== Footer (mantido igual ao site base) ===== */
footer{background:var(--blue-900); color:#c7d2f5; padding-top:64px;}
.footer-grid{
  display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-logo strong{font-family:'Inter',sans-serif; font-size:1.4rem; font-weight:800; color:#fff;}
.footer-col h4{color:#fff; font-size:1.7rem; margin-bottom:16px;}
.footer-col p, .footer-col a{display:block; font-size:1.1rem; color:#ffffff; margin-bottom:10px;}
.footer-col a:hover{color:var(--yellow);}
.social-row{display:flex; gap:10px; margin-top:4px;}
.social-row a{
  width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.08); display:flex;
  align-items:center; justify-content:center; transition:background .2s;
}
.social-row a:hover{background:#00afef;}
.anatel-row{flex-direction:column; align-items:center; gap:14px; margin-top:22px;}
.anatel-row p{font-size:.7rem; color:#ffffff; line-height:1.5; margin:0; padding-right:40%;}
.footer-bottom{padding:22px 0; text-align:center; font-size:.78rem; color:#ffffff;}
.footer-col .footer-col-gap{margin-top:28px;}

@media (max-width: 980px){
  .footer-grid{grid-template-columns:1fr; gap:36px;}
}

@media (max-width: 720px){
  .footer-grid{grid-template-columns:1fr 1fr; gap:30px 20px;}
  .footer-logo{grid-column:1 / -1; text-align:center;}
  .footer-logo strong{font-size:1.1rem;}
  .footer-logo img{width:50% !important; margin:0 auto;}
  .footer-logo p{margin-left:auto; margin-right:auto; font-size:.85rem !important;}
  .social-row{justify-content:center;}
  .anatel-row{flex-direction:row; align-items:center; text-align:left; gap:12px; margin-top:18px;}
  .anatel-row img{width:70px !important; flex-shrink:0;}
  .anatel-row p{padding-right:0; font-size:.68rem;}
  .footer-col h4{font-size:1.05rem; margin-bottom:12px;}
  .footer-col p, .footer-col a{font-size:.82rem; margin-bottom:8px;}
  .footer-bottom{font-size:.7rem; padding:18px 0;}
  #whatsappbutton{width:50px; height:50px; right:32px; bottom:90px;}
}

/* =========================================================
   Modal "Planos somente de internet" (link "Quero só internet" no rodapé)
   Mesmos estilos da página inicial (styles2.css).
   ========================================================= */
.modal-overlay{
  position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center;
  background:rgba(15,26,58,.55); backdrop-filter:blur(3px);
  opacity:0; visibility:hidden; transition:opacity .25s ease, visibility .25s ease;
  padding:24px;
}
.modal-overlay.open{opacity:1; visibility:visible;}
.modal-box{
  background:#fff; border-radius:22px; width:100%; max-width:560px; max-height:85vh;
  overflow:hidden; position:relative; box-shadow:0 30px 60px -20px rgba(0,0,0,.35);
  transform:translateY(24px) scale(.97); transition:transform .28s ease;
  display:flex; flex-direction:column;
}
.modal-scroll{overflow-y:auto; flex:1 1 auto; min-height:0;}
.modal-overlay.open .modal-box{transform:translateY(0) scale(1);}
.modal-close{
  position:absolute; top:16px; right:16px; width:36px; height:36px; border-radius:50%;
  background:#eef1f9; color:var(--ink-soft); font-size:1.4rem; line-height:1; display:flex;
  align-items:center; justify-content:center; transition:background .2s, color .2s; z-index:2;
}
.modal-close:hover{background:var(--orange); color:#fff;}
.modal-header{
  background:linear-gradient(120deg, var(--blue-900), #1c40a3 65%, #2451c9);
  padding:36px 32px 28px; border-radius:22px 22px 0 0;
}
.modal-header h3{color:#fff; font-size:1.6rem; margin:0;}
.modal-body{padding:28px 32px 8px; color:var(--ink);}

.plan-card{
  background:#fff; border-radius:20px; padding:30px 28px 28px; position:relative;
  border:2px solid rgba(15,42,107,.45); transition:transform .25s, box-shadow .25s;
}
.plan-card:hover{transform:translateY(-6px); box-shadow:var(--shadow);}
.plan-name{font-size:1.5rem; font-weight:500; color:var(--blue-900); margin-bottom:6px;}
.plan-price{display:flex; align-items:baseline; gap:6px; margin-bottom:18px;}
.plan-price .by{font-size:.82rem; color:var(--ink-soft);}
.plan-price .val{font-size:1.9rem; font-weight:800; color:var(--blue-900);}
.plan-price .mo{font-size:.82rem; color:var(--ink-soft); font-weight:600;}
.plan-cta{
  display:block; width:85%; text-align:center; background:var(--yellow); color:var(--blue-900); margin:0 auto;
  font-weight:500; padding:7px; border-radius:12px; font-size:1.5rem; transition:transform .2s, box-shadow .2s;
  box-shadow:0 8px 18px -8px rgba(240,180,0,.6);
}
.plan-cta:hover{transform:translateY(-2px);}

.modal-box--wide{max-width:760px;}
.modal-header--center{text-align:center; padding:44px 56px 40px;}
.modal-header--center h3{font-size:clamp(1.25rem, 3vw, 1.9rem); font-weight:700; letter-spacing:.2px;}
.fibra-body{padding:32px 40px 40px;}
.fibra-grid{display:grid; grid-template-columns:repeat(2, minmax(0, 260px)); gap:22px; justify-content:center;}
.fibra-card{
  border:1px solid rgba(27,53,162,.55); border-radius:14px; padding:26px 22px 22px;
  display:flex; flex-direction:column; align-items:center; text-align:center;
}
.fibra-card .plan-name{font-size:1.15rem; font-weight:500; align-self:flex-start; margin:0 0 2px 12px;}
.fibra-speed{display:flex; flex-direction:column; align-items:center; line-height:.85; color:var(--blue-900); margin-bottom:22px;}
.fibra-speed .num{font-size:clamp(3.6rem, 9vw, 5.4rem); font-weight:900; letter-spacing:-2px;}
.fibra-speed .unit{font-size:clamp(1.4rem, 3.4vw, 1.9rem); font-weight:800; margin-top:6px;}
.fibra-feature{
  display:flex; align-items:center; justify-content:center; gap:8px; width:100%;
  background:#ececec; border-radius:6px; padding:6px 12px; margin-bottom:26px;
  font-size:.98rem; font-weight:500; color:var(--blue-900);
}
.fibra-feature img{width:18px; height:auto; flex-shrink:0;}
.fibra-card .plan-price{justify-content:center; margin-bottom:20px;}
.fibra-card .plan-price .val{font-size:1.6rem;}
.fibra-card .plan-cta{width:100%; font-size:1.3rem;}

@media (max-width: 640px){
  .modal-header{padding:28px 22px 22px;}
  .modal-header h3{font-size:1.3rem;}
  .modal-body{padding:22px 22px 4px;}
  .modal-box{max-height:90vh; border-radius:18px;}
  .modal-header{border-radius:18px 18px 0 0;}
  .modal-header--center{padding:36px 48px 28px;}
  .fibra-body{padding:24px 20px 28px;}
}
@media (max-width: 560px){
  .fibra-grid{grid-template-columns:minmax(0, 300px);}
}
@media (max-width: 480px){
  .modal-overlay{padding:16px;}
  .modal-header{padding:24px 18px 18px;}
  .modal-body{padding:18px 18px 4px;}
}