:root {
  --felt-1: #1b7a3a;
  --felt-2: #0b4a22;
  --felt-3: #06301a;
  --yellow: #ffeb3b;
  --yellow-dark: #f9c80e;
  --red: #d32f2f;
  --cream: #fffdf7;
  --text: #f4f8f5;
  --muted: #b9d3c1;
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.14);
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Nunito', system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(120% 80% at 50% 0%, var(--felt-1), var(--felt-2) 55%, var(--felt-3));
  background-color: var(--felt-2);
  min-height: 100vh;
  line-height: 1.55;
}

img { max-width: 100%; display: block; }
a { color: var(--yellow); }

h1, h2, h3 { font-family: 'Baloo 2', 'Nunito', sans-serif; line-height: 1.1; margin: 0 0 12px; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 800; }
h1 span { color: var(--yellow); text-shadow: 0 4px 0 rgba(0, 0, 0, 0.25); }
h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 600; }

.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 800; color: var(--muted); margin: 0 0 10px; }
.lead { font-size: 1.15rem; color: #dcebe0; max-width: 34em; }
.small { font-size: 0.9rem; color: var(--muted); }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-weight: 800; font-size: 1.05rem;
  text-decoration: none; transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn svg { width: 22px; height: 22px; }
.btn:active { transform: translateY(2px) scale(0.98); }
.btn-yellow { background: var(--yellow); color: #1b1b1b; box-shadow: 0 5px 0 var(--yellow-dark), 0 10px 24px rgba(0, 0, 0, 0.3); }
.btn-yellow:hover { box-shadow: 0 3px 0 var(--yellow-dark), 0 8px 18px rgba(0, 0, 0, 0.3); transform: translateY(2px); }
.btn-ghost { color: var(--text); border: 2px solid var(--border); background: rgba(0, 0, 0, 0.15); }
.btn-ghost:hover { border-color: var(--yellow); color: var(--yellow); }
.btn-small { padding: 9px 18px; font-size: 0.95rem; box-shadow: 0 3px 0 var(--yellow-dark); }
.btn-big { padding: 18px 30px; font-size: 1.15rem; }

/* Topo */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 12px max(16px, calc((100% - 1120px) / 2));
  background: rgba(6, 48, 26, 0.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: 'Baloo 2', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--yellow); text-decoration: none; }
.brand img { border-radius: 10px; }
.topbar nav { display: flex; gap: 22px; margin-left: auto; }
.topbar nav a { color: var(--text); text-decoration: none; font-weight: 600; opacity: 0.85; }
.topbar nav a:hover { opacity: 1; color: var(--yellow); }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding: 64px 0 48px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 10px; }
.hero-phone { display: flex; justify-content: center; }
.phone {
  width: min(320px, 80vw); border-radius: 38px; padding: 10px; background: #111;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45), inset 0 0 0 2px #333;
  transform: rotate(3deg);
}
.phone img { border-radius: 30px; width: 100%; height: auto; }

/* Seções */
.section { padding: 56px 0; border-top: 1px solid var(--border); }
.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 20px; }
.steps p { margin: 0; color: #dcebe0; }
.num {
  display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 12px;
  border-radius: 12px; background: var(--red); color: #fff; font-family: 'Baloo 2', sans-serif; font-weight: 800; font-size: 1.4rem;
  box-shadow: 0 4px 0 #8e1b1b;
}
.steps li:last-child { border-color: rgba(255, 235, 59, 0.5); background: rgba(255, 235, 59, 0.08); }
.steps li:last-child h3 { color: var(--yellow); }

.rules { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.rule-list { padding: 0; margin: 20px 0 0; list-style: none; display: grid; gap: 12px; }
.rule-list li {
  position: relative; padding: 12px 16px 12px 48px; background: var(--card);
  border: 1px solid var(--border); border-radius: 14px; color: #e3efe6;
}
.rule-list li::before {
  content: '♠'; position: absolute; left: 16px; top: 10px; font-size: 1.2rem; color: var(--yellow);
}
.rule-list li:nth-child(even)::before { content: '♥'; color: #ff6b6b; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.gallery img { border-radius: 22px; border: 6px solid #111; box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4); height: auto; }
.gallery img:nth-child(1) { transform: rotate(-3deg); }
.gallery img:nth-child(2) { transform: rotate(3deg) translateY(28px); }

/* Download */
.download { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.download-card {
  display: flex; gap: 24px; align-items: center; padding: 32px;
  background: linear-gradient(145deg, rgba(255, 235, 59, 0.14), rgba(255, 255, 255, 0.04));
  border: 2px solid rgba(255, 235, 59, 0.45); border-radius: 24px;
}
.download-card h2 { font-size: 1.9rem; }
.download-card .btn { margin-top: 10px; }
.app-icon { width: 120px; height: 120px; border-radius: 28px; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4); flex: none; }
.install { background: var(--card); border: 1px solid var(--border); border-radius: 24px; padding: 28px 32px; }
.install ol { padding-left: 20px; margin: 10px 0 14px; }
.install li { margin: 6px 0; }
.iphone { margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--border); }

.footer { text-align: center; padding: 32px 16px 40px; color: var(--muted); border-top: 1px solid var(--border); margin-top: 24px; }
.footer a { color: var(--text); }

/* Página de convite */
.invite-page { display: grid; place-items: center; padding: 24px 16px; }
.invite { text-align: center; max-width: 420px; width: 100%; }
.invite .app-icon { width: 112px; height: 112px; margin: 0 auto 18px; }
.invite h1 { color: var(--yellow); }
.invite .lead { margin: 0; }
.invite-code { font-family: 'Baloo 2', monospace; font-size: 3rem; font-weight: 800; letter-spacing: 0.3em; margin: 0 0 24px; padding-left: 0.3em; }
.invite-actions { display: grid; gap: 14px; margin-bottom: 24px; }

@media (max-width: 900px) {
  .hero, .rules, .download { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; text-align: left; }
  .hero-phone { order: -1; }
  .phone { width: min(260px, 70vw); }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .topbar { gap: 12px; }
  .topbar nav { display: none; }
  .topbar .btn-small { margin-left: auto; }
  .steps { grid-template-columns: 1fr; }
  .download-card { flex-direction: column; text-align: center; padding: 24px; }
  .install { padding: 22px; }
  .cta .btn { width: 100%; }
}