/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--color-gold);
  color: var(--color-dark);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(201,168,76,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-cream);
  border: 1.5px solid rgba(245,240,232,0.35);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.82rem;
}

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(26,26,46,0.97);
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 1px;
}

.nav-logo span {
  color: var(--color-cream);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(245,240,232,0.75);
  transition: color var(--transition-base);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav-links a:hover { color: var(--color-gold); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 8px 22px !important;
  font-size: 0.82rem !important;
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  width: 26px; height: 2px;
  background: var(--color-cream);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(26,26,46,0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 32px 0;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform var(--transition-base);
  }
  .nav-links.open { transform: translateY(0); }
}

/* ================================================================
   FORM ELEMENTS
   ================================================================ */
.form-card {
  background: rgba(42,42,62,0.5);
  border: 1px solid rgba(201,168,76,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--color-cream-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(26,26,46,0.6);
  border: 1px solid rgba(245,240,232,0.1);
  border-radius: var(--radius-sm);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(245,240,232,0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%23c9a84c' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group select option {
  background: var(--color-dark);
  color: var(--color-cream);
}

.form-submit {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
  font-size: 0.95rem;
  padding: 16px;
}

.form-whatsapp-note {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--color-muted, rgba(255,255,255,0.45));
  text-align: center;
}

.form-whatsapp-note .fa-whatsapp { color: #25d366; margin-right: 4px; }
.form-whatsapp-note a { color: var(--color-gold); text-decoration: none; }
.form-whatsapp-note a:hover { text-decoration: underline; }

/* Confirmation overlay */
.confirmation {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(42,42,62,0.97);
  border-radius: var(--radius-lg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  z-index: 5;
}

.confirmation.show { display: flex; }

.confirmation-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(201,168,76,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.confirmation-icon i {
  font-size: 2rem;
  color: var(--color-gold);
}

.confirmation h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-cream);
  margin-bottom: 8px;
}

.confirmation p {
  font-size: 0.95rem;
  color: var(--color-cream-muted);
  max-width: 360px;
  margin-bottom: 24px;
}

/* ================================================================
   BACK-TO-TOP
   ================================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-dark);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(201,168,76,0.3);
}

.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-gold-light);
  transform: translateY(-3px);
}