/* ============================================================
   REFÚGIO DIÁRIO — Components CSS
   Botões, cards, header, footer, modal, formulários
   ============================================================ */

/* ── BOTÕES ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 30px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--white);
}
.btn-gold:hover {
  background: var(--gold-light);
  box-shadow: 0 4px 16px rgba(184,134,11,0.35);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover {
  background: var(--navy-mid);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.35);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-sm {
  padding: 7px 16px;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 16px 40px;
  font-size: var(--text-base);
}

/* ── HEADER ── */
.site-header {
  background: var(--navy);
  border-bottom: 2px solid var(--gold);
  height: var(--header-h);
  padding: 0 var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
}

.header-logo img {
  height: 38px;
  display: block;
}

.header-nav {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.header-nav a {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.header-nav a:hover {
  color: var(--gold);
}

.header-nav .nav-cta {
  background: var(--gold);
  color: var(--white) !important;
  padding: 8px 22px;
  opacity: 1 !important;
}

.header-nav .nav-cta:hover {
  background: var(--gold-light);
}

/* Hambúrguer */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── BOOK CARD ── */
.book-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  position: relative;
  overflow: hidden;
}

.book-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.book-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.book-card-img-wrap {
  position: relative;
  overflow: hidden;
}

.book-card-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  border-bottom: 2px solid var(--gold);
  transition: transform 0.35s ease;
}

.book-card:hover .book-card-img {
  transform: scale(1.03);
}

.book-card-img.unavailable {
  opacity: 0.42;
  filter: grayscale(0.3);
  border-bottom-color: var(--gray-light);
}

/* Overlay dourado no hover */
.book-card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(184,134,11,0.18), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.book-card:hover .book-card-img-wrap::after {
  opacity: 1;
}

.soon-tag {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: rgba(15,31,58,0.82);
  color: rgba(255,255,255,0.75);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid rgba(255,255,255,0.2);
  z-index: 2;
}

.book-card-body {
  padding: var(--space-4) var(--space-4) var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-3);
}

.book-num {
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.book-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
}

.book-sub {
  color: var(--gray);
  font-size: 11px;
  font-style: italic;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.book-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.book-price.em-breve {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--gray-mid);
}

.btn-buy {
  background: var(--navy);
  color: var(--white);
  border: none;
  padding: 7px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-buy:hover {
  background: var(--gold);
  transform: translateY(-1px);
}

.btn-buy:disabled {
  background: var(--gray-light);
  color: var(--gray-mid);
  cursor: not-allowed;
  transform: none;
}

/* COMBO card */
.book-card.combo .book-card-img {
  aspect-ratio: auto;
  height: 220px;
  object-fit: cover;
}

.book-card.combo .book-card-img-wrap::after {
  background: linear-gradient(to top, rgba(184,134,11,0.22), transparent 50%);
}

/* ── MODAL DE COMPRA ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,20,35,0.75);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  width: 100%;
  max-width: 460px;
  padding: var(--space-10);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray);
  font-size: 22px;
  line-height: 1;
  transition: color var(--transition);
}

.modal-close:hover { color: var(--navy); }

.modal-book-info {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--gray-light);
}

.modal-book-img {
  width: 72px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.modal-book-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 4px;
}

.modal-book-price {
  color: var(--gold);
  font-size: 18px;
  font-weight: 700;
}

.modal h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--navy);
  margin-bottom: var(--space-5);
}

.modal-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 11px;
  color: var(--gray);
  margin-top: var(--space-4);
  line-height: 1.6;
}

.modal-disclaimer i {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--gold);
}

.modal-nexmidia {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 10px;
  color: var(--gray-mid);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--gray-light);
  line-height: 1.6;
}

.modal-nexmidia i {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--gray-mid);
}

.modal-nexmidia strong {
  color: var(--dark);
  font-weight: 700;
}

/* ── FORMULÁRIOS ── */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: var(--space-4);
}

.form-field label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.form-field input,
.form-field textarea {
  border: 1px solid var(--gray-light);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--dark);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--gold);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--gray-mid);
}

.form-field textarea {
  resize: none;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ── FOOTER ── */
.site-footer {
  background: var(--navy);
  border-top: 2px solid var(--gold);
  padding: var(--space-12) var(--space-10) var(--space-6);
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo img {
  height: 34px;
  margin-bottom: var(--space-4);
}

.footer-desc {
  color: rgba(255,255,255,0.42);
  font-size: var(--text-xs);
  line-height: 1.85;
  margin-bottom: var(--space-5);
}

.social-row {
  display: flex;
  gap: var(--space-2);
}

.social-btn {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 17px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.social-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(184,134,11,0.08);
}

.footer-col h5 {
  color: var(--gold);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-col ul li {
  margin-bottom: var(--space-2);
}

.footer-col ul li a {
  color: rgba(255,255,255,0.48);
  font-size: var(--text-sm);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-aviso {
  color: rgba(255,255,255,0.22);
  font-size: 10px;
  font-style: italic;
  line-height: 1.7;
  margin-top: var(--space-5);
}

.footer-bottom {
  background: #080F1C;
  text-align: center;
  padding: var(--space-4) var(--space-10);
  color: rgba(255,255,255,0.22);
  font-size: 11px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ── RESPONSIVE COMPONENTS ── */
@media (max-width: 768px) {
  .site-header {
    padding: 0 var(--space-5);
  }

  .header-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-5);
    gap: var(--space-5);
    border-bottom: 2px solid var(--gold);
    z-index: 199;
    box-shadow: var(--shadow-lg);
  }

  .header-nav.open { display: flex; }

  .hamburger { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .site-footer {
    padding: var(--space-10) var(--space-5) var(--space-6);
  }

  .footer-bottom {
    padding: var(--space-4) var(--space-5);
  }

  .modal {
    padding: var(--space-8) var(--space-6);
  }

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