/* ============================================================
   Aula Magna 7F — paleta oficial @alequisferreira
   #1B3A4B azul-petróleo · #C9A84C dourado · #F5F0E8 off-white
   #A0522D terracota · #2C2C2C carvão
   Playfair Display (títulos) + Inter (corpo)
   ============================================================ */
:root {
  --petroleo: #1B3A4B;
  --dourado: #C9A84C;
  --offwhite: #F5F0E8;
  --terracota: #A0522D;
  --carvao: #2C2C2C;
  --branco: #FFFFFF;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--offwhite);
  color: var(--carvao);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: "Playfair Display", Georgia, serif; color: var(--petroleo); line-height: 1.2; }

.container { max-width: 860px; margin: 0 auto; padding: 0 20px; }

section { padding: clamp(40px, 7vw, 72px) 0; }

/* ---------- Hero ---------- */
.hero { background: var(--petroleo); color: var(--offwhite); text-align: center; padding: clamp(56px, 9vw, 96px) 0; }
.hero .tag {
  display: inline-block; color: var(--dourado); border: 1px solid var(--dourado);
  padding: 6px 16px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 24px;
}
.hero h1 { color: var(--branco); font-size: clamp(1.9rem, 5vw, 3.1rem); margin-bottom: 20px; }
.hero .sub { font-size: clamp(1rem, 2.4vw, 1.2rem); max-width: 640px; margin: 0 auto 24px; opacity: 0.92; }
.hero .data-evento { color: var(--dourado); font-weight: 700; font-size: clamp(1rem, 2.6vw, 1.15rem); margin-bottom: 28px; }

/* Cronômetro */
.countdown { display: flex; justify-content: center; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.countdown .bloco {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(201,168,76,0.4);
  border-radius: 10px; padding: 10px 14px; min-width: 72px;
}
.countdown .num { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 800; color: var(--dourado); display: block; }
.countdown .rot { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.8; }

/* ---------- Botões ---------- */
.btn {
  display: inline-block; background: var(--dourado); color: var(--petroleo);
  font-weight: 800; font-size: clamp(1rem, 2.4vw, 1.15rem); text-decoration: none;
  padding: 18px 40px; border-radius: 10px; border: none; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s; letter-spacing: 0.02em;
  box-shadow: 0 4px 18px rgba(201,168,76,0.35);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.5); }
.btn:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- Barra de reforço ---------- */
.barra {
  background: var(--dourado); color: var(--petroleo); font-weight: 600;
  text-align: center; padding: 12px 16px; font-size: clamp(0.85rem, 2.2vw, 1rem);
}

/* ---------- Blocos de conteúdo ---------- */
.bloco-claro { background: var(--offwhite); }
.bloco-branco { background: var(--branco); }
.bloco-escuro { background: var(--petroleo); color: var(--offwhite); }
.bloco-escuro h2 { color: var(--branco); }

section h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); margin-bottom: 20px; text-align: center; }
section .texto { max-width: 640px; margin: 0 auto; font-size: clamp(1rem, 2.3vw, 1.1rem); }

.destaque-terracota { color: var(--terracota); font-weight: 700; }

/* Listas com check */
.lista-check { list-style: none; max-width: 620px; margin: 24px auto 0; }
.lista-check li {
  padding: 12px 0 12px 40px; position: relative; font-size: clamp(0.98rem, 2.3vw, 1.08rem);
  border-bottom: 1px solid rgba(27,58,75,0.08);
}
.lista-check li::before {
  content: "✔"; position: absolute; left: 8px; color: var(--dourado); font-weight: 900;
}

/* Professor */
.professor { display: flex; gap: 32px; align-items: center; max-width: 720px; margin: 0 auto; }
.professor .foto {
  flex: 0 0 200px; aspect-ratio: 4/5; background: var(--petroleo); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; color: var(--offwhite);
  font-size: 0.8rem; text-align: center; padding: 12px; overflow: hidden;
}
.professor .foto img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }

/* Depoimentos */
.depoimentos { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; max-width: 780px; margin: 24px auto 0; }
.depoimento { background: var(--branco); border-left: 4px solid var(--dourado); border-radius: 8px; padding: 20px; font-style: italic; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.depoimento .autor { display: block; margin-top: 12px; font-style: normal; font-weight: 700; color: var(--petroleo); }

/* ---------- Formulário ---------- */
.form-card {
  background: var(--branco); border-radius: 16px; padding: clamp(24px, 5vw, 40px);
  max-width: 520px; margin: 0 auto; box-shadow: 0 8px 32px rgba(27,58,75,0.12);
}
.form-card label { display: block; font-weight: 600; margin: 16px 0 6px; font-size: 0.95rem; }
.form-card input {
  width: 100%; padding: 14px; border: 2px solid rgba(27,58,75,0.15); border-radius: 8px;
  font-size: 1rem; font-family: inherit; background: var(--offwhite);
}
.form-card input:focus { outline: none; border-color: var(--dourado); }
.form-card .btn { margin-top: 24px; }
.lgpd { font-size: 0.78rem; opacity: 0.7; margin-top: 14px; text-align: center; }
.form-erro { color: var(--terracota); font-weight: 600; margin-top: 12px; text-align: center; display: none; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- Rodapé ---------- */
footer { background: var(--carvao); color: var(--offwhite); text-align: center; padding: 28px 16px; font-size: 0.85rem; }
footer a { color: var(--dourado); text-decoration: none; }

/* ---------- Página de matrícula ---------- */
.preco-stack { max-width: 520px; margin: 0 auto 8px; text-align: center; }
.preco-riscado { text-decoration: line-through; opacity: 0.55; font-size: 1.2rem; }
.preco-final { font-size: clamp(2rem, 6vw, 2.8rem); font-weight: 800; color: var(--dourado); font-family: "Playfair Display", serif; }
.selo-garantia {
  display: inline-block; background: rgba(201,168,76,0.12); border: 1px dashed var(--dourado);
  border-radius: 10px; padding: 14px 20px; margin-top: 16px; font-size: 0.92rem; max-width: 460px;
}

/* ---------- Responsivo ---------- */
@media (max-width: 640px) {
  .professor { flex-direction: column; text-align: center; }
  .professor .foto { flex-basis: auto; width: 70%; max-width: 240px; }
  .countdown .bloco { min-width: 62px; padding: 8px 10px; }
}