/* =============================================
   COMPONENTES — navbar, menu mobile, flutuantes, card, formulário
   Classes/IDs pareiam com js/nav.js + js/navbar.js + js/proposta.js
   ============================================= */

/* Navbar */
#navbar {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; gap: var(--space-8);
  padding: var(--space-4) var(--space-8);
  transition: background-color var(--transition);
}
#navbar.scrolled {
  background: rgba(244, 242, 236, .9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.nav-logo { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-size: 1.45rem; line-height: 1; margin-right: auto; }
.logo-marca { color: var(--white); background: var(--primary); border-radius: var(--radius); padding: 7px; width: 34px; height: 34px; flex-shrink: 0; }
.nav-links { display: flex; gap: var(--space-6); }
.nav-links a { font-weight: 500; padding-block: var(--space-2); background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size var(--transition); }
.nav-links a:hover { background-size: 100% 1px; }
.nav-cta { min-height: 42px; padding-block: var(--space-2); }

/* Hamburger (#nav-toggle) */
#nav-toggle { display: none; width: 44px; height: 44px; position: relative; z-index: 110; }
#nav-toggle span { position: absolute; left: 10px; width: 24px; height: 2px; background: var(--ink); transition: transform var(--transition), opacity var(--transition); }
#nav-toggle span:nth-child(1) { top: 14px; }
#nav-toggle span:nth-child(2) { top: 21px; }
#nav-toggle span:nth-child(3) { top: 28px; }
#nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#nav-toggle.open span:nth-child(2) { opacity: 0; }
#nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile */
.nav-mobile {
  position: fixed; inset: 0; z-index: 95;   /* abaixo do #navbar (100): o X do hamburger fica visível */
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  gap: var(--space-6); padding-inline: var(--space-8); background: var(--paper);
  transform: translateX(100%); transition: transform .5s var(--ease);
}
.nav-mobile.open { transform: none; }
.nav-mobile a:not(.btn-primary) { min-height: 44px; font-family: var(--font-display); font-size: 2.5rem; line-height: 1.1; }
.nav-mobile .btn-primary { margin-top: var(--space-4); }

/* Flutuantes */
#wa-float {
  position: fixed; right: var(--space-6); bottom: var(--space-6); z-index: 90;
  display: grid; place-items: center; width: 56px; height: 56px;
  background: #25D366; color: var(--white); border-radius: 50%;
  box-shadow: 0 6px 20px rgba(15, 27, 45, .25); transition: transform var(--transition);
}
#wa-float:hover { transform: scale(1.08); }
#back-top {
  position: fixed; right: var(--space-6); bottom: calc(var(--space-6) + 72px); z-index: 90;
  display: grid; place-items: center; width: 44px; height: 44px;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--color-border); border-radius: var(--radius);
  opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}
#back-top.visible { opacity: 1; visibility: visible; }
#back-top:hover { transform: translateY(-3px); }

/* Card */
.card { padding: var(--space-8); border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--color-border); box-shadow: var(--shadow-card); }

/* Formulário */
.agenda-form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6) var(--space-4); }
.campo { display: grid; gap: var(--space-2); align-content: start; min-width: 0; }
.campo[hidden] { display: none; }   /* campo que o caso escolhido não pede (proposta.js) */
.campo-largo, .agenda-form > .btn-primary, .form-nota { grid-column: 1 / -1; }

.campo label, .campo legend { font-size: var(--text-sm); font-weight: 600; color: var(--ink); }
.campo input, .campo select, .campo textarea {
  width: 100%; min-height: 48px; padding: var(--space-3) var(--space-4);
  font: inherit; font-size: var(--text-base); color: var(--ink);
  background: var(--paper); border: 1px solid rgba(15, 27, 45, .3); border-radius: var(--radius);
  transition: border-color var(--transition);
}
.campo textarea { resize: vertical; }
.campo input:focus-visible, .campo select:focus-visible, .campo textarea:focus-visible { outline-offset: 0; border-color: var(--ink); }
.campo [aria-invalid="true"] { border-color: var(--accent-text); }
.campo-erro { font-size: var(--text-sm); color: var(--accent-text); min-height: 0; }
.campo-erro:empty { display: none; }
fieldset.campo { border: 0; }
.campo legend { margin-bottom: var(--space-2); }
.opcoes { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.opcao { position: relative; }
.opcao input { position: absolute; opacity: 0; inset: 0; min-height: 0; cursor: pointer; }
.opcao span {
  display: inline-flex; align-items: center; min-height: 44px; padding: var(--space-2) var(--space-6);
  border: 1px solid rgba(15, 27, 45, .3); border-radius: var(--radius); font-weight: 500;
  transition: background-color var(--transition), color var(--transition);
}
.opcao input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.opcao input:focus-visible + span { outline: 3px solid var(--ink); outline-offset: 3px; }
.form-nota { font-size: var(--text-sm); margin-top: calc(var(--space-2) * -1); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Página 404 */
.page-404 { min-height: 100vh; display: grid; place-content: center; gap: 1.5rem; text-align: center; justify-items: center; }
.page-404-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Selo de modelo (js/selo-modelo.js), canto oposto ao WhatsApp */
#selo-modelo {
  position: fixed; left: var(--space-6); bottom: var(--space-6); z-index: 90;
  display: flex; align-items: center; max-width: calc(100% - var(--space-6) * 2 - 56px - var(--space-4));
  background: var(--ink); color: var(--paper); border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px;
  font-family: var(--font-body); font-size: 0.8125rem; line-height: 1.2;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
}
#selo-modelo a { display: flex; align-items: center; min-height: 44px; padding-inline: 1rem 0.25rem; color: inherit; text-decoration: none; }
#selo-modelo a:hover { text-decoration: underline; }
#selo-modelo button { display: grid; place-items: center; width: 44px; height: 44px; background: none; border: 0; color: inherit; opacity: .7; cursor: pointer; }
#selo-modelo button:hover { opacity: 1; }
#selo-modelo .selo-curto { display: none; }
@media (max-width: 640px) {
  #selo-modelo { left: var(--space-4); bottom: var(--space-4); max-width: calc(100% - var(--space-4) * 3 - 52px); }
  #selo-modelo .selo-longo { display: none; }
  #selo-modelo .selo-curto { display: inline; }
}