:root {
  --primary: #e53935;
  --primary-dark: #b71c1c;
  --secondary: #1b5e20;
  --bg: #0f172a;
  --bg-soft: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --card-bg: #020617;
  --accent: #facc15;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1f2937 0, #020617 50%, #000 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

header.hero, main, footer {
  width: 100%;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
}

/* HERO */

.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid rgba(148,163,184,0.2);
  background: radial-gradient(circle at top, rgba(248,113,113,0.2), transparent 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background: rgba(15,23,42,0.8);
  border: 1px solid rgba(248,113,113,0.5);
  color: #fecaca;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.hero-badge span.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34,197,94,0.9);
}

h1 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 1rem;
  max-width: 34rem;
}

.hero-highlight {
  font-size: 0.98rem;
  color: #fee2e2;
  margin-bottom: 1.2rem;
}

.hero-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.hero-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
}

.hero-list li::before {
  content: "•";
  color: var(--accent);
  margin-top: 0.1rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.btn {
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.16s ease-out;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 25px rgba(239,68,68,0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(239,68,68,0.5);
}

.btn-outline {
  background: transparent;
  color: #f9fafb;
  border-color: rgba(148,163,184,0.6);
}

.btn-outline:hover {
  border-color: #f97316;
  color: #fed7aa;
  background: rgba(15,23,42,0.8);
}

.hero-note {
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-cover {
  position: relative;
  padding: 1.5rem;
  border-radius: 1.5rem;
  background: radial-gradient(circle at top left, rgba(248,250,252,0.08), transparent 60%), rgba(15,23,42,0.95);
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 0 18px 45px rgba(15,23,42,0.9);
}

.hero-cover img {
  border-radius: 1rem;
  box-shadow: 0 20px 35px rgba(0,0,0,0.7);
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-tagline strong {
  color: #e5e7eb;
}

/* SEÇÕES GERAIS */

section {
  padding: 2.5rem 0;
}

section:nth-of-type(even) {
  background: linear-gradient(to bottom, rgba(15,23,42,0.9), rgba(15,23,42,0.98));
}

section:nth-of-type(odd) {
  background: radial-gradient(circle at top, rgba(31,41,55,0.9), #020617);
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.section-intro {
  max-width: 40rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* CARDS / GRID */

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1.2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1.2rem;
}

.card {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1rem;
  border: 1px solid rgba(148,163,184,0.3);
  box-shadow: 0 12px 32px rgba(15,23,42,0.8);
  font-size: 0.92rem;
}

.card strong.label {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #f97316;
  margin-bottom: 0.2rem;
}

.card p {
  color: #e5e7eb;
}

.card p + p {
  margin-top: 0.4rem;
}

.highlight {
  color: #fecaca;
}

/* LISTAS */

.list-check {
  list-style: none;
  margin-top: 0.4rem;
}

.list-check li {
  display: flex;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.list-check li::before {
  content: "✔";
  color: #22c55e;
  font-size: 0.8rem;
  margin-top: 0.1rem;
}

/* OFERTAS */

.offer-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.7rem;
  text-align: left;
}

.offer-logo {
  font-size: 0.8rem;
  color: var(--muted);
}

.offer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(148,163,184,0.5);
  color: #e5e7eb;
}

.offer-badge span.dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #22c55e;
}

.offer-notes {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

/* FAQ */

.faq-item {
  border-radius: 0.9rem;
  border: 1px solid rgba(148,163,184,0.35);
  padding: 0.85rem 0.95rem;
  background: rgba(15,23,42,0.85);
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
}

.faq-item h3 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.faq-item p {
  color: var(--muted);
}

/* SOBRE O AUTOR */

.author {
  display: grid;
  grid-template-columns: minmax(0,1.8fr) minmax(0,1.1fr);
  gap: 1.5rem;
  align-items: center;
}

.author-photo {
  width: 100%;
  max-width: 260px;
  border-radius: 1.2rem;
  border: 1px solid rgba(148,163,184,0.5);
  box-shadow: 0 18px 40px rgba(0,0,0,0.8);
  overflow: hidden;
}

.author-photo img {
  width: 100%;
  height: auto;
  display: block;
}

.author p {
  font-size: 0.92rem;
  color: var(--muted);
}

/* FORMULÁRIO WHATSAPP */

#comunidade-whatsapp .card {
  max-width: 520px;
}

#comunidade-whatsapp form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

#comunidade-whatsapp .form-group {
  margin-bottom: 0.3rem;
}

#comunidade-whatsapp input[type="text"],
#comunidade-whatsapp input[type="tel"],
#comunidade-whatsapp input[type="email"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(148,163,184,0.6);
  background: rgba(15,23,42,0.9);
  color: #e5e7eb;
  font-size: 0.9rem;
}

#comunidade-whatsapp input:focus {
  outline: none;
  border-color: #e53935;
  box-shadow: 0 0 0 2px rgba(229,57,53,0.3);
}

/* FOOTER */

footer {
  background: #020617;
  border-top: 1px solid rgba(15,23,42,1);
  padding: 1.5rem 0 2rem;
  font-size: 0.8rem;
  color: var(--muted);
}

footer a {
  color: #93c5fd;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

/* RESPONSIVO */

@media (max-width: 900px) {
  .hero-grid,
  .grid,
  .grid-2,
  .author {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.4rem;
  }

  .hero-grid {
    gap: 1.8rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 1.1rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}