:root {
  --bg: #080913;
  --bg-soft: #111426;
  --card: rgba(255,255,255,0.07);
  --card-border: rgba(255,255,255,0.12);
  --text: #ffffff;
  --muted: #b7bdd6;
  --accent: #00e0ff;
  --accent2: #7c3cff;
  --success: #22d366;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top left, #182056 0%, #080913 42%, #05050a 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 9, 19, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap { min-height: 82px; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 220px; }
.brand img { width: 58px; height: 58px; object-fit: contain; }
.brand strong { display: block; font-size: 22px; letter-spacing: .3px; }
.brand span { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
.main-nav { display: flex; gap: 18px; align-items: center; }
.main-nav a { color: var(--muted); font-size: 14px; transition: .25s; }
.main-nav a:hover { color: var(--accent); }
.socials { display: flex; gap: 8px; }
.socials a {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--card-border); border-radius: 50%;
  background: rgba(255,255,255,0.06); color: white; transition: .25s;
}
.socials a:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
.menu-btn { display: none; background: transparent; color: white; border: 0; font-size: 28px; }
.hero { position: relative; min-height: 560px; overflow: hidden; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(0,224,255,.16), rgba(124,60,255,.18)), radial-gradient(circle at 80% 20%, rgba(0,224,255,.28), transparent 28%); }
.hero-content { position: relative; padding: 80px 0; max-width: 850px; }
.mini-label { display: inline-flex; color: var(--accent); text-transform: uppercase; letter-spacing: 1.8px; font-size: 12px; font-weight: bold; }
h1 { font-size: clamp(42px, 6vw, 78px); line-height: .96; margin: 18px 0; }
h2 { font-size: clamp(30px, 4vw, 46px); margin: 12px 0; }
p { color: var(--muted); line-height: 1.6; }
.hero-content p { font-size: 19px; max-width: 730px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: 0 22px; border-radius: 999px; font-weight: bold; transition: .25s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: white; box-shadow: 0 12px 35px rgba(0,224,255,.18); }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-2px); }
.btn-secondary { border: 1px solid var(--card-border); background: rgba(255,255,255,.06); color: white; }
.section { padding: 72px 0; }
.section-title { max-width: 720px; margin-bottom: 32px; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card {
  min-height: 245px; padding: 26px; border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
  border: 1px solid var(--card-border); position: relative; overflow: hidden; transition: .25s;
}
.service-card:before { content: ''; position: absolute; inset: auto -40px -60px auto; width: 160px; height: 160px; background: rgba(0,224,255,.12); border-radius: 50%; filter: blur(10px); }
.service-card:hover { transform: translateY(-6px); border-color: rgba(0,224,255,.45); }
.card-icon { font-size: 42px; margin-bottom: 20px; }
.service-card h3 { font-size: 24px; margin: 0 0 10px; }
.service-card p { min-height: 76px; }
.service-card span { color: var(--accent); font-weight: bold; }
.page-hero { padding: 70px 0 30px; }
.page-box { padding: 34px; border-radius: 30px; background: var(--card); border: 1px solid var(--card-border); }
.demo-list { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 28px; }
.demo-item { padding: 22px; border-radius: 22px; background: rgba(255,255,255,.055); border: 1px solid var(--card-border); display: grid; gap: 10px; }
.demo-item audio { width: 100%; }
.price { font-size: 28px; color: var(--accent); font-weight: bold; }
.contact-strip { padding: 40px 0 28px; }
.contact-box {
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
  padding: 34px; border-radius: 32px;
  background: linear-gradient(135deg, rgba(0,224,255,.15), rgba(124,60,255,.18));
  border: 1px solid rgba(255,255,255,.14);
}
.contact-box h2 { margin: 8px 0; font-size: clamp(25px, 3vw, 38px); }
.pulse { animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 rgba(34,211,102,0); } 50% { box-shadow: 0 0 28px rgba(34,211,102,.35); } }
.footer { padding: 34px 0; background: rgba(0,0,0,.26); border-top: 1px solid rgba(255,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 20px; }
.footer span { color: var(--accent); font-weight: bold; }
.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 58px; height: 58px; display: grid; place-items: center;
  border-radius: 50%; background: var(--success); color: white;
  font-size: 30px; box-shadow: 0 12px 35px rgba(34,211,102,.35);
}
@media (max-width: 900px) {
  .main-nav { display: none; position: absolute; left: 16px; right: 16px; top: 82px; flex-direction: column; align-items: flex-start; background: #111426; padding: 18px; border-radius: 20px; border: 1px solid var(--card-border); }
  .main-nav.active { display: flex; }
  .menu-btn { display: block; }
  .socials { display: none; }
  .cards-grid { grid-template-columns: 1fr; }
  .contact-box { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
}


/* ETAPA 2 - páginas internas completas */
.modern-page-hero { padding: 58px 0 36px; }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items: stretch; }
.glass-hero { min-height: 420px; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(160deg, rgba(255,255,255,.095), rgba(255,255,255,.04)); }
.glass-hero h3 { color: var(--accent); margin: 0 0 10px; font-size: 22px; }
.slider-card { min-height: 420px; border-radius: 32px; border: 1px solid var(--card-border); background: rgba(255,255,255,.06); overflow: hidden; position: relative; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; }
.slide.active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slide:after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(0,0,0,.74)); }
.slide-placeholder { background: radial-gradient(circle at top left, rgba(0,224,255,.25), transparent 35%), linear-gradient(135deg, rgba(124,60,255,.35), rgba(0,0,0,.2)); }
.slide-caption { position: absolute; left: 26px; right: 26px; bottom: 24px; z-index: 2; font-size: 28px; font-weight: 800; }
.category-block { margin-bottom: 56px; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { padding: 24px; border-radius: 28px; background: linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.042)); border: 1px solid var(--card-border); min-height: 310px; display: flex; flex-direction: column; gap: 12px; transition: .25s; }
.product-card:hover { transform: translateY(-5px); border-color: rgba(0,224,255,.45); }
.product-card h3 { margin: 4px 0 0; font-size: 23px; }
.product-card p { margin: 0; flex: 1; }
.product-card audio { width: 100%; }
.audio-note { color: var(--muted); opacity: .72; font-size: 12px; }
.product-image { height: 220px; border-radius: 22px; overflow: hidden; background: rgba(255,255,255,.08); border: 1px solid var(--card-border); }
.product-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.image-placeholder { background: radial-gradient(circle at top right, rgba(0,224,255,.26), transparent 40%), linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)); }
.card-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.card-actions .btn-primary, .card-actions .btn-secondary { min-height: 44px; padding: 0 18px; }
@media (max-width: 980px) {
  .page-hero-grid, .products-grid { grid-template-columns: 1fr; }
  .slider-card, .glass-hero { min-height: 330px; }
}

/* ETAPA 3 - página Web Rádio com planos completos */
.benefits-strip {
  margin-top: 20px;
  padding: 30px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(0,224,255,.10), rgba(124,60,255,.14));
  border: 1px solid rgba(255,255,255,.12);
}
.benefits-head { margin-bottom: 18px; }
.benefits-head h2 { font-size: clamp(25px, 3vw, 36px); margin: 8px 0 0; }
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.benefit-pill {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.10);
  color: #fff;
  font-weight: 700;
  line-height: 1.35;
}
.product-card.featured-plan {
  border-color: rgba(0,224,255,.62);
  box-shadow: 0 20px 50px rgba(0,224,255,.12);
  position: relative;
}
.plan-badge {
  align-self: flex-start;
  padding: 8px 13px;
  border-radius: 999px;
  background: linear-gradient(135deg, #00e0ff, #7c3cff);
  color: white;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .8px;
}
.features-list {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: grid;
  gap: 8px;
}
.features-list li {
  color: #dce3ff;
  font-size: 14px;
  line-height: 1.35;
  padding-left: 22px;
  position: relative;
}
.features-list li:before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 900;
}
@media (max-width: 980px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .benefits-strip { padding: 22px; }
}