/* ==========================================================
   IPTVTeste.com.br — Design System
   Conceito: painel de sintonia/medição de sinal.
   Petróleo profundo + areia + coral de transmissão.
   ========================================================== */

:root{
  --bg:            #0F2C3F;
  --bg-deep:       #0A2130;
  --surface:       #14384F;
  --surface-2:     #1B4661;
  --line:          rgba(245,239,230,0.12);
  --sand:          #F5EFE6;
  --sand-dim:      rgba(245,239,230,0.68);
  --sand-faint:    rgba(245,239,230,0.42);
  --coral:         #FF6B4A;
  --coral-dim:     #E85A3B;
  --mustard:       #F2B705;
  --green-ok:      #4ADE80;

  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --radius:        14px;
  --radius-sm:     8px;
  --container:     1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(255,107,74,0.14), transparent 60%),
    radial-gradient(ellipse 700px 500px at -10% 30%, rgba(242,183,5,0.08), transparent 55%);
  color: var(--sand);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-display); font-weight:700; line-height:1.12; margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
.wrap{ max-width: var(--container); margin:0 auto; padding:0 24px; }

:focus-visible{ outline:2px solid var(--mustard); outline-offset:3px; border-radius:4px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ---------- Topbar ---------- */
.topbar{
  position: sticky; top:0; z-index:50;
  background: rgba(10,33,48,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; }
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display); font-weight:700; font-size:1.15rem; color: var(--sand);
}
.brand-mark{
  width:12px; height:12px; border-radius:50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255,107,74,0.18);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-display); font-weight:600; font-size:1rem;
  padding:15px 28px; border-radius: 999px;
  border:1px solid transparent; cursor:pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn-cta{
  background: var(--coral); color:#1A0D08;
  box-shadow: 0 8px 24px -8px rgba(255,107,74,0.55);
}
.btn-cta:hover{ background:#FF7D5F; transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(255,107,74,0.65); }
.btn-small{ padding:10px 20px; font-size:0.9rem; }
.btn-ghost{
  background:transparent; color: var(--sand); border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--sand-faint); }

/* ---------- Hero ---------- */
.hero{ padding: 72px 0 56px; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr 0.95fr; gap:56px; align-items:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase;
  color: var(--mustard); background: rgba(242,183,5,0.1); border:1px solid rgba(242,183,5,0.3);
  padding:6px 14px; border-radius:999px; margin-bottom:20px;
}
.eyebrow .dot{ width:6px; height:6px; border-radius:50%; background: var(--green-ok); box-shadow:0 0 0 3px rgba(74,222,128,0.25); }
.hero h1{ font-size: clamp(2.3rem, 4.4vw, 3.4rem); color: var(--sand); }
.hero h1 em{ font-style: normal; color: var(--coral); }
.hero-sub{ margin-top:18px; font-size:1.12rem; color: var(--sand-dim); max-width:52ch; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
.trust-row{ display:flex; flex-wrap:wrap; gap:22px; margin-top:36px; }
.trust-item{ display:flex; align-items:center; gap:9px; font-size:0.88rem; color: var(--sand-dim); }
.trust-item svg{ flex:none; color: var(--mustard); }

/* ---------- Signature: Painel de Sintonia (signal meter) ---------- */
.tuner{
  background: linear-gradient(180deg, var(--surface), var(--bg-deep));
  border:1px solid var(--line);
  border-radius: 20px;
  padding: 26px 26px 22px;
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.55);
}
.tuner-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.tuner-title{ font-family: var(--font-mono); font-size:0.76rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--sand-faint); }
.tuner-status{
  display:flex; align-items:center; gap:7px;
  font-family: var(--font-mono); font-size:0.76rem; color: var(--green-ok);
}
.tuner-status .dot{ width:7px; height:7px; border-radius:50%; background: var(--green-ok); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:0.35; } }

.eq{ display:flex; align-items:flex-end; gap:5px; height:120px; padding:0 2px; }
.eq span{
  flex:1; background: linear-gradient(180deg, var(--coral), var(--mustard));
  border-radius:3px 3px 0 0; opacity:0.9;
  animation: eq-move 1.4s ease-in-out infinite;
}
.eq span:nth-child(odd){ animation-duration: 1.1s; }
.eq span:nth-child(3n){ animation-duration: 1.6s; animation-delay: -0.4s; }
.eq span:nth-child(4n){ animation-delay: -0.8s; }
@keyframes eq-move{
  0%,100%{ transform: scaleY(0.25); }
  50%{ transform: scaleY(1); }
}
.eq span{ transform-origin: bottom; }

.tuner-metrics{ display:grid; grid-template-columns: repeat(3,1fr); gap:12px; margin-top:20px; }
.metric{ background: rgba(245,239,230,0.05); border:1px solid var(--line); border-radius: var(--radius-sm); padding:12px 10px; text-align:center; }
.metric-value{ font-family: var(--font-mono); font-weight:600; font-size:1.05rem; color: var(--sand); }
.metric-label{ font-size:0.72rem; color: var(--sand-faint); margin-top:3px; }

/* ---------- Section shell ---------- */
.section{ padding: 72px 0; }
.section-alt{ background: rgba(10,33,48,0.4); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-eyebrow{ font-family: var(--font-mono); font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--coral); margin-bottom:12px; display:block; }
.section h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--sand); }
.section-sub{ margin-top:14px; color: var(--sand-dim); font-size:1.05rem; }

/* ---------- Benefits grid ---------- */
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap:22px; }
.card{
  background: var(--surface); border:1px solid var(--line); border-radius: var(--radius);
  padding:26px 24px;
}
.card-icon{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background: rgba(255,107,74,0.12); color: var(--coral); margin-bottom:16px;
}
.card h3{ font-size:1.08rem; color: var(--sand); margin-bottom:8px; }
.card p{ color: var(--sand-dim); font-size:0.95rem; }

/* ---------- Steps ---------- */
.steps{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; counter-reset: step; }
.step{ position:relative; padding: 28px 22px 24px; background: var(--surface); border:1px solid var(--line); border-radius: var(--radius); }
.step::before{
  counter-increment: step; content: counter(step);
  font-family: var(--font-mono); font-weight:600; font-size:0.85rem;
  width:30px; height:30px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background: var(--mustard); color:#241a00; margin-bottom:16px;
}
.step h3{ font-size:1.05rem; color:var(--sand); margin-bottom:8px; }
.step p{ color: var(--sand-dim); font-size:0.93rem; }

/* ---------- Devices ---------- */
.devices{ display:flex; flex-wrap:wrap; gap:14px; }
.device-pill{
  display:flex; align-items:center; gap:10px;
  background: var(--surface); border:1px solid var(--line); border-radius: 999px;
  padding:12px 20px; font-size:0.93rem; color: var(--sand-dim);
}
.device-pill svg{ color: var(--coral); flex:none; }

/* ---------- Testimonials ---------- */
.testi-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:22px; }
.testi{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius); padding:24px; }
.testi-stars{ color: var(--mustard); font-size:0.9rem; letter-spacing:2px; margin-bottom:12px; }
.testi p{ color: var(--sand-dim); font-size:0.94rem; }
.testi-name{ margin-top:16px; font-family: var(--font-mono); font-size:0.82rem; color: var(--sand-faint); }

/* ---------- FAQ ---------- */
.faq{ display:flex; flex-direction:column; gap:12px; max-width:760px; }
.faq-item{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-sm); overflow:hidden; }
.faq-item summary{
  cursor:pointer; list-style:none; padding:18px 22px; font-family: var(--font-display); font-weight:600;
  display:flex; align-items:center; justify-content:space-between; gap:16px; color: var(--sand);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; font-size:1.4rem; color: var(--coral); flex:none; transition: transform .2s ease; }
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ padding: 0 22px 20px; color: var(--sand-dim); font-size:0.95rem; }

/* ---------- Final CTA ---------- */
.cta-final{
  text-align:center; padding: 64px 32px; border-radius: 24px;
  background: linear-gradient(160deg, var(--surface-2), var(--bg-deep));
  border:1px solid var(--line);
}
.cta-final h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--sand); }
.cta-final p{ margin-top:12px; color: var(--sand-dim); max-width:52ch; margin-left:auto; margin-right:auto; }
.cta-final .btn{ margin-top:26px; }

/* ---------- Footer ---------- */
.footer{ border-top:1px solid var(--line); padding: 36px 0; }
.footer-inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:16px; }
.footer-brand{ display:flex; align-items:center; gap:9px; font-family: var(--font-display); font-weight:700; color: var(--sand); }
.footer-links{ display:flex; gap:22px; font-size:0.9rem; color: var(--sand-dim); }
.footer-links a:hover{ color: var(--sand); }
.footer-note{ width:100%; font-size:0.8rem; color: var(--sand-faint); text-align:center; margin-top:8px; }

/* ---------- Legal page ---------- */
.legal{ padding: 56px 0 80px; }
.legal .wrap{ max-width: 760px; }
.legal h1{ font-size: clamp(1.9rem, 3.4vw, 2.4rem); color: var(--sand); margin-bottom: 30px; }
.legal h2{ font-size:1.2rem; color: var(--sand); margin-top:34px; margin-bottom:10px; }
.legal p, .legal li{ color: var(--sand-dim); font-size:0.98rem; margin-bottom:10px; }
.legal ul{ padding-left:20px; list-style:disc; }
.legal ul li{ margin-bottom:6px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3, .steps, .testi-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  .hero{ padding: 48px 0 40px; }
  .section{ padding: 52px 0; }
  .grid-3, .steps, .testi-grid{ grid-template-columns: 1fr; }
  .tuner-metrics{ grid-template-columns: 1fr; }
  .hero-ctas .btn{ width:100%; }
  .footer-inner{ flex-direction:column; align-items:flex-start; }
}