/* ==========================================================================
   UniTV Brasil — Design System
   Paleta: amarelo elétrico · lima · azul royal · fundo escuro
   ========================================================================== */

:root{
  --bg: #07080B;
  --bg-alt: #0B0E13;
  --surface: #11161E;
  --surface-2: #171E28;
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(200,255,42,.22);

  --yellow: #FFE500;
  --yellow-2: #FFD000;
  --lime: #C8FF2A;
  --lime-2: #A8E80A;
  --blue: #1E5EFF;
  --blue-2: #3B7BFF;
  --blue-dark: #0A2A8A;

  --white: #FFFFFF;
  --text: #EEF2F8;
  --text-muted: #A8B3C7;
  --text-faint: #6E7A90;

  --success: #C8FF2A;

  --font-display: "Outfit", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-glow: 0 0 0 1px rgba(255,229,0,.28), 0 18px 50px -16px rgba(255,229,0,.45);
  --shadow-card: 0 10px 30px -12px rgba(0,0,0,.55);
  --grad-brand: linear-gradient(135deg, #FFE500 0%, #C8FF2A 48%, #1E5EFF 100%);
  --grad-cta: linear-gradient(135deg, #FFF56A 0%, #FFE500 42%, #FFD000 100%);

  --container: 1180px;
  --ease: cubic-bezier(.16,.84,.44,1);
  --wa: #25D366;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:
    radial-gradient(900px 520px at 88% -10%, rgba(30,94,255,.22), transparent 58%),
    radial-gradient(780px 480px at -8% 8%, rgba(200,255,42,.10), transparent 52%),
    radial-gradient(700px 420px at 40% 0%, rgba(255,229,0,.06), transparent 50%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font:inherit;}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-.02em;
  color:var(--white);
}
h1{font-size:clamp(2.25rem,4.6vw,3.55rem); font-weight:700;}
h2{font-size:clamp(1.7rem,3vw,2.4rem);}
h3{font-size:clamp(1.15rem,1.6vw,1.4rem);}
p{margin:0 0 1em; color:var(--text-muted);}

.container{max-width:var(--container); margin:0 auto; padding:0 24px;}

.grad-text{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--lime);
  padding:6px 14px; border:1px solid var(--border-strong);
  border-radius:var(--radius-pill); background:rgba(200,255,42,.08);
  margin-bottom:18px;
}
.eyebrow::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background:var(--lime); box-shadow:0 0 0 4px rgba(200,255,42,.22);
  animation: pulseDot 2s var(--ease) infinite;
}
@keyframes pulseDot{0%,100%{opacity:1} 50%{opacity:.4}}

.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--yellow); color:#111; padding:12px 18px; border-radius:8px; z-index:999; font-weight:700;
}
.skip-link:focus{left:16px; top:16px;}
:focus-visible{outline:2px solid var(--lime); outline-offset:3px; border-radius:4px;}

/* ---------------- Header ---------------- */
.topbar{
  background:rgba(7,8,11,.92);
  border-bottom:1px solid var(--border);
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--text-faint);
  text-align:center; padding:8px 16px;
}
.topbar span{color:var(--lime);}

.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(7,8,11,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px; max-width:var(--container); margin:0 auto; gap:16px;
}
.brand{display:flex; align-items:center; gap:10px; color:var(--white);}
.brand-mark{width:42px; height:38px; flex-shrink:0;}
.brand-text{display:flex; flex-direction:column; line-height:1.05;}
.brand-text strong{
  font-family:var(--font-display); font-weight:800; font-size:1.22rem; letter-spacing:-.03em;
}
.brand-text strong em{
  font-style:normal;
  background:linear-gradient(180deg,#C8FF2A,#1E5EFF);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.brand-text small{
  font-family:var(--font-mono); font-size:.58rem; letter-spacing:.22em;
  color:var(--text-faint); font-weight:500;
}

.nav-links{display:flex; align-items:center; gap:2px;}
.nav-links a{
  padding:9px 12px; border-radius:var(--radius-pill); font-size:.88rem; color:var(--text-muted);
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"]{color:var(--white); background:rgba(255,255,255,.06);}

.nav-cta{display:flex; align-items:center; gap:10px;}
.nav-toggle{
  display:none; background:none; border:1px solid var(--border-strong); color:var(--white);
  width:42px; height:42px; border-radius:10px; align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:18px; height:2px; background:var(--white); position:relative; transition:.25s var(--ease);
}
.nav-toggle span::before{position:absolute; top:-6px;}
.nav-toggle span::after{position:absolute; top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg); top:0;}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg); top:0;}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:var(--radius-pill); font-weight:700; font-size:.95rem;
  border:1px solid transparent; cursor:pointer; transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-cta); color:#111;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 0 0 1px rgba(255,229,0,.45), 0 24px 56px -14px rgba(255,229,0,.55);}
.btn-ghost{background:rgba(255,255,255,.03); color:var(--white); border-color:rgba(255,255,255,.16);}
.btn-ghost:hover{background:rgba(255,255,255,.09); transform:translateY(-2px);}
.btn-blue{background:linear-gradient(135deg,var(--blue-2),var(--blue)); color:#fff; box-shadow:0 12px 32px -12px rgba(30,94,255,.55);}
.btn-blue:hover{transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px; font-size:.85rem;}
.btn svg{width:18px; height:18px; flex-shrink:0;}

/* ---------------- Hero ---------------- */
.hero{position:relative; padding:72px 0 56px; overflow:hidden;}
.hero-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center;}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:1.08rem; max-width:540px; margin-bottom:28px;}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:32px;}
.hero-stats{display:flex; gap:28px; flex-wrap:wrap;}
.hero-stat b{display:block; font-family:var(--font-mono); font-size:1.3rem; color:var(--white);}
.hero-stat span{font-size:.78rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em;}

.hero-visual{
  position:relative;
  border-radius:28px;
  padding:10px;
  background:linear-gradient(135deg, rgba(200,255,42,.85), rgba(255,229,0,.55) 40%, rgba(30,94,255,.85));
  box-shadow:0 0 80px -20px rgba(200,255,42,.45), 0 30px 60px -24px rgba(0,0,0,.7);
}
.hero-visual img{
  width:100%; height:auto; border-radius:20px; display:block;
  background:#050608;
}
.hero-chip{
  position:absolute; display:flex; align-items:center; gap:8px;
  background:rgba(17,22,30,.92); border:1px solid var(--border-strong); border-radius:var(--radius-pill);
  padding:9px 14px; font-family:var(--font-mono); font-size:.72rem; color:var(--text); backdrop-filter:blur(8px);
  animation:float 5s ease-in-out infinite; z-index:2;
}
.hero-chip .dot{width:7px; height:7px; border-radius:50%; background:var(--lime); box-shadow:0 0 0 3px rgba(200,255,42,.25);}
.hero-chip.c1{top:18px; left:-8px;}
.hero-chip.c2{bottom:70px; right:-10px; animation-delay:1s;}
.hero-chip.c3{bottom:16px; left:18px; animation-delay:2s;}
@keyframes float{0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)}}

/* ---------------- Sections ---------------- */
section{padding:88px 0;}
.section-head{max-width:680px; margin:0 auto 52px;}
.section-head.center{text-align:center;}
.section-head.left{margin-left:0; margin-right:auto; text-align:left;}
.section-alt{
  background:linear-gradient(180deg,transparent,rgba(30,94,255,.05) 28%,rgba(200,255,42,.04) 72%,transparent);
}
.section-surface{background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}

.split{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;}
.checklist li{
  display:flex; gap:12px; align-items:flex-start;
  color:var(--text); margin-bottom:14px; font-size:.98rem;
}
.checklist svg{width:20px; height:20px; color:var(--lime); flex-shrink:0; margin-top:2px;}

/* ---------------- Cards / grids ---------------- */
.grid{display:grid; gap:24px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:32px; box-shadow:var(--shadow-card); transition:transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.card:hover{transform:translateY(-4px); border-color:rgba(200,255,42,.28); background:var(--surface-2);}
.card-icon{
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,rgba(200,255,42,.28),rgba(30,94,255,.18));
  border:1px solid var(--border-strong);
  margin-bottom:20px; color:var(--lime);
}
.card-icon svg{width:26px; height:26px;}
.card h3{margin-bottom:10px;}
.card p{margin-bottom:0; font-size:.95rem;}

.highlight-box{
  border-radius:var(--radius-lg);
  padding:36px;
  background:linear-gradient(180deg, rgba(200,255,42,.08), var(--surface));
  border:1px solid var(--border-strong);
}

/* Steps */
.steps{counter-reset:step;}
.step{position:relative; padding-left:64px; margin-bottom:38px;}
.step:last-child{margin-bottom:0;}
.step::before{
  counter-increment:step; content:counter(step,decimal-leading-zero);
  position:absolute; left:0; top:0; width:46px; height:46px; border-radius:14px;
  background:var(--surface-2); border:1px solid var(--border-strong); color:var(--lime);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.9rem;
}

/* Devices */
.device-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px;}
.device{
  display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center;
  padding:22px 12px; border:1px solid var(--border); border-radius:var(--radius-md); background:var(--surface);
  transition:.25s var(--ease);
}
.device:hover{border-color:rgba(200,255,42,.35); transform:translateY(-3px);}
.device svg{width:30px; height:30px; color:var(--lime);}
.device span{font-size:.82rem; color:var(--text-muted);}

/* Testimonials */
.testi-summary{display:flex; align-items:center; gap:18px; margin-bottom:36px; flex-wrap:wrap;}
.testi-score{font-family:var(--font-mono); font-size:2.6rem; color:var(--white); font-weight:700;}
.stars{color:var(--yellow); font-size:1.1rem; letter-spacing:2px;}
.testi-summary-text{color:var(--text-muted); font-size:.92rem;}
.testi-scroll{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.testi-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:24px;}
.testi-stars{color:var(--yellow); margin-bottom:12px; font-size:.9rem; letter-spacing:2px;}
.testi-card p{font-size:.92rem; color:var(--text); margin-bottom:16px;}
.testi-user{display:flex; align-items:center; gap:10px;}
.testi-avatar{
  width:38px; height:38px; border-radius:50%;
  background:var(--grad-brand);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; color:#111; font-size:.85rem;
}
.testi-user b{display:block; font-size:.85rem; color:var(--white);}
.testi-user span{font-size:.74rem; color:var(--text-faint);}

/* Pricing */
.pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; align-items:stretch; max-width:980px; margin:0 auto;}
.plan{
  display:flex; flex-direction:column; background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:30px; position:relative;
}
.plan.featured{
  border-color:var(--yellow);
  background:linear-gradient(180deg,rgba(255,229,0,.12),var(--surface) 42%);
  box-shadow:var(--shadow-glow);
}
.plan-badge{
  position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  background:var(--grad-cta); color:#111; font-size:.7rem; font-weight:800; letter-spacing:.05em;
  padding:6px 14px; border-radius:var(--radius-pill); text-transform:uppercase; white-space:nowrap;
}
.plan-name{font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.1em; font-size:.78rem; color:var(--lime); margin-bottom:10px;}
.plan-price{display:flex; align-items:baseline; gap:4px; margin-bottom:6px;}
.plan-price b{font-family:var(--font-display); font-size:2.05rem; color:var(--white);}
.plan-price span{color:var(--text-faint); font-size:.85rem;}
.plan-desc{font-size:.85rem; margin-bottom:22px;}
.plan-features{margin-bottom:26px; flex:1;}
.plan-features li{display:flex; gap:10px; align-items:flex-start; font-size:.88rem; color:var(--text-muted); margin-bottom:12px;}
.plan-features li svg{width:18px; height:18px; color:var(--lime); flex-shrink:0; margin-top:2px;}
.plan-promo{
  font-family:var(--font-display); font-weight:700; font-size:.95rem;
  color:var(--lime); text-align:center; margin:0 0 16px;
  animation:promoBlink 1s ease-in-out infinite;
}
@keyframes promoBlink{0%,100%{opacity:1} 50%{opacity:.15}}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%; background:none; border:none; color:var(--white); text-align:left;
  padding:22px 0; display:flex; justify-content:space-between; align-items:center; gap:20px;
  font-family:var(--font-display); font-size:1.02rem; cursor:pointer;
}
.faq-q .plus{flex-shrink:0; width:24px; height:24px; position:relative;}
.faq-q .plus::before, .faq-q .plus::after{content:""; position:absolute; background:var(--lime); transition:.25s var(--ease);}
.faq-q .plus::before{width:100%; height:2px; top:50%; left:0; transform:translateY(-50%);}
.faq-q .plus::after{width:2px; height:100%; left:50%; top:0; transform:translateX(-50%);}
.faq-item.open .plus::after{transform:translateX(-50%) rotate(90deg); opacity:0;}
.faq-a{max-height:0; overflow:hidden; transition:max-height .35s var(--ease);}
.faq-a p{padding-bottom:22px; margin:0; font-size:.94rem;}
.faq-item.open .faq-a{max-height:600px;}

/* CTA band */
.cta-band{
  border-radius:var(--radius-lg); padding:56px; text-align:center;
  background:
    radial-gradient(500px 280px at 90% 0%, rgba(30,94,255,.35), transparent 70%),
    radial-gradient(420px 240px at 0% 100%, rgba(200,255,42,.18), transparent 70%),
    linear-gradient(135deg, #0C2A7A, var(--bg-alt));
  border:1px solid var(--border-strong); position:relative; overflow:hidden;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{max-width:560px; margin:0 auto 28px;}
.cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; position:relative;}

/* Forms */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.field{display:flex; flex-direction:column; gap:8px; margin-bottom:18px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.82rem; color:var(--text-muted); font-weight:600;}
.field input, .field select, .field textarea{
  background:var(--surface); border:1px solid var(--border-strong); border-radius:10px; color:var(--white);
  padding:13px 15px; font-family:var(--font-body); font-size:.95rem; transition:.2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--lime); outline:none; box-shadow:0 0 0 3px rgba(200,255,42,.18);
}
.field textarea{resize:vertical; min-height:130px;}

/* Blog */
.post-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden; display:flex; flex-direction:column;}
.post-thumb{
  aspect-ratio:16/9;
  background:linear-gradient(135deg, rgba(30,94,255,.35), var(--surface-2) 60%);
  display:flex; align-items:center; justify-content:center; color:var(--lime);
}
.post-thumb svg{width:34px; height:34px;}
.post-body{padding:22px;}
.post-tag{font-family:var(--font-mono); font-size:.68rem; text-transform:uppercase; letter-spacing:.1em; color:var(--lime); margin-bottom:10px; display:block;}
.post-body h3{margin-bottom:10px;}
.post-meta{font-size:.75rem; color:var(--text-faint); margin-top:14px;}
.article-content h2{margin-top:1.6em;}
.article-content p, .article-content li{color:var(--text-muted);}
.article-content ul{margin:0 0 1.2em; padding-left:1.2em; list-style:disc;}
.article-content li{margin-bottom:.4em;}

.breadcrumb{font-size:.82rem; color:var(--text-faint); margin-bottom:20px;}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--lime);}

.legal-content h2{margin-top:1.8em;}
.legal-content p, .legal-content li{color:var(--text-muted); font-size:.95rem;}
.legal-content ul{padding-left:1.3em; list-style:disc; margin-bottom:1.2em;}
.legal-updated{font-family:var(--font-mono); font-size:.78rem; color:var(--text-faint);}

.trust-bar{
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  padding:26px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.trust-item{display:flex; align-items:center; gap:10px; color:var(--text-muted); font-size:.85rem;}
.trust-item svg{width:20px; height:20px; color:var(--lime);}

.page-hero{padding:72px 0 24px;}
.page-hero h1{max-width:18ch;}

.whats-float{
  position:fixed; bottom:22px; right:22px; z-index:300;
  width:58px; height:58px; border-radius:50%; background:linear-gradient(135deg,#25D366,#1EBE59);
  display:flex; align-items:center; justify-content:center; box-shadow:0 12px 30px -8px rgba(37,211,102,.6);
  transition:transform .2s var(--ease);
}
.whats-float:hover{transform:scale(1.08);}
.whats-float svg{width:28px; height:28px; color:#fff;}

.site-footer{background:var(--bg-alt); border-top:1px solid var(--border); padding:64px 0 30px; margin-top:40px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:44px;}
.footer-brand p{font-size:.88rem; max-width:280px;}
.footer-col h4{font-family:var(--font-mono); font-size:.75rem; text-transform:uppercase; letter-spacing:.1em; color:var(--text-faint); margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.88rem; color:var(--text-muted); transition:color .2s;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:26px; border-top:1px solid var(--border); font-size:.78rem; color:var(--text-faint);
}

.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in{opacity:1; transform:translateY(0);}

@media (max-width: 1100px){
  .nav-links a{padding:9px 8px; font-size:.82rem;}
}
@media (max-width: 960px){
  .nav-links{
    position:fixed; inset:108px 16px auto 16px; background:var(--surface); border:1px solid var(--border-strong);
    border-radius:var(--radius-md); flex-direction:column; align-items:stretch; padding:12px;
    display:none; box-shadow:var(--shadow-card); z-index:210;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 16px;}
  .nav-toggle{display:flex;}
  .nav-cta .btn-ghost{display:none;}
  .hero-grid, .split{grid-template-columns:1fr;}
  .hero-visual{order:-1; max-width:420px; margin:0 auto 8px;}
  .hero-chip.c1{left:8px;}
  .hero-chip.c2{right:8px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .device-grid{grid-template-columns:repeat(2,1fr);}
  .testi-scroll{grid-template-columns:1fr 1fr;}
  .pricing-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width: 620px){
  section{padding:64px 0;}
  .hero{padding:40px 0 36px;}
  .page-hero{padding:48px 0 12px;}
  .grid-4, .grid-3, .grid-2, .device-grid, .testi-scroll, .pricing-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .hero-stats{gap:18px;}
  .hero-chip{display:none;}
}