/* Central do Áudio — landing igrejas1
   Paleta: azul / branco / dourado discreto */
:root {
  --blue-900: #0b2545;
  --blue-800: #123456;
  --blue-700: #16456f;
  --blue-100: #e7eef6;
  --gold: #c9a24b;
  --gold-soft: #e4cd8f;
  --white: #ffffff;
  --ink: #1a2333;
  --muted: #5a6577;
  --bg-alt: #f4f7fb;
  --wa: #25d366;
  --wa-dark: #1eb457;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 37, 69, 0.10);
  --shadow-sm: 0 4px 14px rgba(11, 37, 69, 0.08);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.center { text-align: center; }
.gold { color: var(--gold); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 700; border-radius: 999px; cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
  border: 2px solid transparent; line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: .55rem 1rem; font-size: .9rem; }
.btn-lg { padding: 1rem 1.6rem; font-size: 1.05rem; }
.btn-whatsapp { background: var(--wa); color: #05391a; box-shadow: var(--shadow-sm); }
.btn-whatsapp:hover { background: var(--wa-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-soft); }
.wa-icon { font-size: 1.15em; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 37, 69, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 162, 75, .25);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: .5rem; color: var(--white); font-weight: 800; }
.brand-mark { font-size: 1.3rem; }
.brand-name { letter-spacing: .2px; }
.header-cta { flex-shrink: 0; }

/* Hero */
.hero {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(201,162,75,.18), transparent 60%),
    linear-gradient(160deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  padding: 72px 0 84px;
}
.hero-inner { max-width: 780px; }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 2px;
  font-size: .78rem; font-weight: 700; color: var(--gold-soft);
  border: 1px solid rgba(201,162,75,.45); padding: .35rem .8rem; border-radius: 999px;
  margin-bottom: 1.2rem;
}
.hero-title { font-family: 'Playfair Display', serif; font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
.hero-sub { font-size: clamp(1rem, 2.2vw, 1.2rem); color: #d7e2f0; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.8rem 0 1.4rem; }
.hero-badges { list-style: none; display: flex; flex-wrap: wrap; gap: 1.2rem; padding: 0; margin: 0; color: #cdd9ea; font-size: .95rem; }

/* Sections */
.section { padding: 68px 0; }
.section-alt { background: var(--bg-alt); }
.section-title {
  font-family: 'Playfair Display', serif; font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  text-align: center; color: var(--blue-900);
}
.section-lead { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 2.4rem; }

/* Grids */
.cards { display: grid; gap: 1.2rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card, .use, .benefit {
  background: var(--white); border: 1px solid #e6ecf4; border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow-sm);
}
.card-icon { font-size: 1.8rem; margin-bottom: .4rem; }
.card h3, .use h3, .benefit h3 { color: var(--blue-800); font-size: 1.12rem; }
.card p, .use p, .benefit p { color: var(--muted); margin: 0; font-size: .96rem; }
.use { text-align: center; }
.use span { font-size: 1.9rem; display: block; margin-bottom: .5rem; }

/* Demos */
.demo {
  background: var(--white); border: 1px solid #e6ecf4; border-left: 4px solid var(--gold);
  border-radius: var(--radius); padding: 1.3rem 1.4rem; box-shadow: var(--shadow-sm);
}
.demo-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .8rem; }
.demo-head h3 { margin: 0; font-size: 1.05rem; color: var(--blue-800); }
.demo-time {
  flex-shrink: 0; font-size: .78rem; font-weight: 700; color: var(--blue-700);
  background: var(--blue-100); border-radius: 999px; padding: .2rem .65rem;
}
.demo audio { width: 100%; height: 40px; }
#demos .center { margin-top: 2.4rem; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: step; }
.steps li { background: var(--white); border: 1px solid #e6ecf4; border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-sm); position: relative; }
.step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  color: #3a2c05; font-weight: 800; margin-bottom: .8rem;
}
.steps h3 { font-size: 1.05rem; color: var(--blue-800); }
.steps p { color: var(--muted); margin: 0; font-size: .95rem; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: .8rem; }
.faq details {
  background: var(--white); border: 1px solid #e6ecf4; border-radius: var(--radius);
  padding: .3rem 1.2rem; box-shadow: var(--shadow-sm);
}
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--blue-800); padding: .9rem 0;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 1.4rem; font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 1rem; margin: 0; }

/* CTA final */
.cta-final {
  background: linear-gradient(160deg, var(--blue-800), var(--blue-900));
  color: var(--white); padding: 72px 0;
}
.cta-final h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.6rem, 4vw, 2.4rem); }
.cta-final p { color: #d3ddec; max-width: 560px; margin: 0 auto 1.8rem; }

/* Footer */
.site-footer { background: var(--blue-900); color: #b9c6da; padding: 40px 0; text-align: center; }
.footer-brand { color: var(--white); font-weight: 800; font-size: 1.1rem; margin-bottom: .3rem; }
.footer-note { margin-bottom: .8rem; }
.footer-copy { font-size: .85rem; color: #8395ad; margin: 0; }

/* WhatsApp float */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #05391a; font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(37, 211, 102, .45);
  transition: transform .15s ease, background .2s ease;
}
.wa-float:hover { transform: scale(1.08); background: var(--wa-dark); }

/* Responsive */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 64px; }
  .brand-name { display: none; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}