/* ============================================
   OSMOS — SAC / Serviço de Atendimento ao Cliente (sac.html)
   Reaproveita o design system global (css/styles.css): tokens de cor,
   tipografia, .btn, .container, .section, .eyebrow, .section-head e o
   accordion .faq-*. Aqui ficam apenas os componentes específicos do SAC.
   ============================================ */

/* ============ Hero ============ */
.sac-hero {
  padding: calc(var(--section-pad) + 4rem) 0 var(--section-pad);
  background: linear-gradient(160deg, var(--navy-950), var(--navy-800) 60%, var(--blue-deep));
  color: var(--white);
}
.sac-hero-content { max-width: 720px; }
.sac-hero h1 { color: var(--white); margin-bottom: 1.2rem; }
.sac-hero-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 580px;
}
/* animação de entrada reaproveitando o keyframe global `heroIn` */
.sac-hero .fade-up { opacity: 1; transform: translateY(0); animation: heroIn var(--dur-slow) var(--ease-premium) both; }
.sac-hero .delay-1 { animation-delay: 0.15s; }
.sac-hero .delay-2 { animation-delay: 0.3s; }

/* ============ Cards de atendimento ============ */
.sac-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.sac-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  width: 100%;
  padding: 1.75rem 1.5rem;
  background: var(--white);
  border: 1px solid rgba(15, 33, 56, 0.08);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(15, 33, 56, 0.05);
  cursor: pointer;
  transition: transform var(--dur-med) var(--ease-premium), border-color var(--dur-med), box-shadow var(--dur-med);
}
.sac-card:hover,
.sac-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(79, 195, 232, 0.5);
  box-shadow: 0 18px 50px rgba(15, 33, 56, 0.1);
  outline: none;
}
.sac-card.active {
  border-color: var(--blue-accent);
  box-shadow: 0 0 0 2px rgba(79, 195, 232, 0.25), 0 18px 50px rgba(15, 33, 56, 0.1);
}
.sac-card-icon { width: 42px; height: 42px; color: var(--blue-accent); margin-bottom: 1.1rem; }
.sac-card-icon svg { width: 100%; height: 100%; }
.sac-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.sac-card p { font-size: 0.9rem; color: var(--ink-soft); line-height: 1.5; margin-bottom: 1.1rem; }
.sac-card-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue-accent);
  letter-spacing: 0.02em;
}
.sac-card-cta svg { width: 14px; height: 14px; transition: transform var(--dur-fast) var(--ease-premium); }
.sac-card:hover .sac-card-cta svg,
.sac-card:focus-visible .sac-card-cta svg { transform: translateX(4px); }

/* ============ Formulário ============ */
.sac-form-section { background: var(--off-white); }
.sac-form-wrap { max-width: 720px; margin: 0 auto; }
.sac-form-intro { max-width: 620px; margin-bottom: 2.25rem; }
.sac-form-intro h2 { margin-bottom: 0.75rem; }
.sac-form-intro p { color: var(--ink-soft); }

.sac-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem 1.25rem;
}
.sac-form .field { display: flex; flex-direction: column; gap: 0.4rem; }
.sac-form .field-full { grid-column: 1 / -1; }
.sac-form label { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.sac-form .optional { font-weight: 400; color: var(--ink-soft); font-size: 0.78rem; }
.sac-form input,
.sac-form select,
.sac-form textarea {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  border: 1.5px solid var(--silver-soft);
  background: var(--white);
  color: var(--ink);
  font-size: 0.98rem;
  font-family: var(--font-body);
  transition: border-color var(--dur-fast);
}
.sac-form textarea { resize: vertical; min-height: 140px; line-height: 1.6; }
.sac-form input:focus,
.sac-form select:focus,
.sac-form textarea:focus { outline: none; border-color: var(--blue-accent); }
.sac-form .hint { font-size: 0.78rem; color: var(--ink-soft); line-height: 1.4; }

/* Campos condicionais (pedido / nota fiscal / documento) — exibidos só
   quando a categoria selecionada envolve um produto ou compra. */
.sac-field-conditional { display: none; }
.sac-field-conditional.show { display: flex; }

/* Upload de arquivo */
.sac-file { grid-column: 1 / -1; }
.sac-file-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.2rem;
  border: 1.5px dashed var(--silver);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.sac-file-label:hover { border-color: var(--blue-accent); color: var(--navy-900); }
.sac-file-label svg { width: 18px; height: 18px; color: var(--blue-accent); }
.sac-file input[type="file"] {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}
.sac-file-name { display: block; font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.5rem; }

.sac-form-actions { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.4rem; }
.sac-form-note { font-size: 0.8rem; color: var(--ink-soft); }

/* Pergunta de risco (sim/não) e consentimento LGPD */
.sac-question { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.sac-radio { display: flex; gap: 1.5rem; }
.sac-radio label,
.sac-consent {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-weight: 400;
  color: var(--ink);
  cursor: pointer;
}
.sac-consent { font-size: 0.85rem; line-height: 1.45; color: var(--ink-soft); }
.sac-form .sac-radio input,
.sac-form .sac-consent input {
  width: 18px;
  height: 18px;
  padding: 0;
  margin: 0.1rem 0 0;
  flex-shrink: 0;
  accent-color: var(--blue-accent);
}

/* ============ Confirmação / Protocolo ============ */
.sac-success { display: none; }
.sac-success.show { display: block; }
.sac-success-card {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--white);
  border: 1px solid rgba(15, 33, 56, 0.08);
  border-radius: 24px;
  padding: clamp(2rem, 5vw, 3.25rem);
  box-shadow: 0 20px 60px rgba(15, 33, 56, 0.08);
}
.sac-success .drop-icon {
  display: inline-flex; width: 48px; height: 48px;
  color: var(--blue-accent); margin-bottom: 1.25rem;
}
.sac-success .drop-icon svg { width: 100%; height: 100%; }
.sac-success h2 { margin-bottom: 0.75rem; }
.sac-success-desc { color: var(--ink-soft); font-size: 1.02rem; }
.sac-protocol {
  margin-top: 1.75rem;
  padding: 1.25rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(79, 195, 232, 0.1), rgba(26, 58, 99, 0.06));
}
.sac-protocol-label { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--blue-deep); display: block; margin-bottom: 0.35rem; }
.sac-protocol-number { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 1.9rem); color: var(--navy-950); letter-spacing: 0.04em; }
.sac-protocol-pending { margin-top: 1.5rem; font-size: 0.9rem; color: var(--ink-soft); }
.sac-success-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.sac-success-actions [hidden] { display: none; }

/* ============ Outros canais ============ */
.sac-channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  max-width: 860px;
}
.sac-channel {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  padding: 1.25rem 1.4rem;
  border-radius: 16px;
  background: var(--off-white);
  border: 1px solid rgba(15, 33, 56, 0.06);
  transition: transform var(--dur-fast) var(--ease-premium), box-shadow var(--dur-fast), border-color var(--dur-fast);
}
.sac-channel:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(15, 33, 56, 0.08);
  border-color: rgba(79, 195, 232, 0.4);
}
.sac-channel-icon { width: 30px; height: 30px; color: var(--blue-accent); flex: none; }
.sac-channel-icon svg { width: 100%; height: 100%; }
.sac-channel-title { font-weight: 600; color: var(--navy-900); font-size: 0.95rem; }
.sac-channel-desc { font-size: 0.82rem; color: var(--ink-soft); }

/* ============ Responsivo ============ */
@media (max-width: 1024px) {
  .sac-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .sac-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .sac-cards { grid-template-columns: 1fr; }
  .sac-form { grid-template-columns: 1fr; }
}