/* ===== VARIÁVEIS CSS ===== */
:root {
  /* Cores */
  --color-primary: #1E40AF;
  --color-secondary: #2563EB;
  --color-background: #FFFFFF;
  --color-surface: #F9FAFB;
  --color-text-primary: #111827;
  --color-text-secondary: #4B5563;
  --color-border: #E5E7EB;
  --color-accent: #FACC15;
  --color-error: #DC2626;
  --color-success: #16A34A;
  
  /* Tipografia */
  --font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-size-base: 16px;
  --font-weight-heading: 600;
  --font-weight-body: 400;
  
  /* Bordas */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Espaçamento */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* ===== ESTILOS BASE ===== */
* { box-sizing: border-box; }

html, body { 
  margin: 0; 
  padding: 0; 
  font-family: var(--font-family);
  color: var(--color-text-primary); 
  background: var(--color-background);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-body);
}

.container { 
  display: grid; 
  grid-template-columns: 1fr clamp(300px, 38vw, 480px);
  grid-template-areas: "preview form";
  gap: var(--spacing-lg); 
  padding: var(--spacing-lg); 
  align-items: start; 
  max-width: 1400px;
  margin: 0 auto;
}

/* ===== HEADER & NAVEGAÇÃO ===== */
.main-header { 
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white; 
  padding: var(--spacing-md) 0;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  position: relative;
}

.logo h1 { 
  margin: 0; 
  font-size: 1.5rem; 
  font-weight: var(--font-weight-heading);
  line-height: 1;
}

.logo .tagline {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-left: var(--spacing-sm);
}

/* Navegação Principal */
.main-nav {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Ações do Header */
.header-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.btn-login {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease;
}

.btn-login:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
  background: white;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
}

.modal .btn-primary {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}

.modal .btn-primary:hover {
  background: #1E3A8A;
  color: #FFFFFF;
  border-color: #1E3A8A;
}

.modal .btn-outline-secondary {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.modal .btn-outline-secondary:hover {
  background: var(--color-surface);
  color: var(--color-text-secondary);
}

/* Menu Hamburger */
.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: var(--spacing-md);
}

.hamburger-menu span {
  display: block;
  width: 30px;
  height: 3px;
  background: white;
  margin: 4px 0;
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger-menu[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger-menu[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Botão Fechar Menu */
.menu-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
}

.menu-close:active {
  transform: scale(0.98);
}

/* ===== FORMULÁRIO ===== */
.form { 
  grid-area: form;
  background: var(--color-surface); 
  border: 1px solid var(--color-border); 
  border-radius: var(--radius-lg); 
  padding: var(--spacing-lg); 
  box-shadow: 0 6px 24px rgba(2, 8, 20, 0.06), 0 2px 8px rgba(2, 8, 20, 0.04);
  display: grid;
  gap: var(--spacing-md);
}

.form label { 
  display: block; 
  font-size: 14px; 
  margin-bottom: var(--spacing-sm); 
  font-weight: var(--font-weight-heading);
  color: var(--color-text-primary);
}

.form input[type="text"],
.form input[type="number"],
.form input[type="date"] { 
  width: 100%;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.4;
  background: var(--color-background);
  font-family: var(--font-family);
}

.form select {
  width: 100%;
  margin-top: clamp(2px, 0.35vw, 6px);
  padding: clamp(6px, 0.7vw, 10px) clamp(8px, 0.8vw, 12px);
  border-radius: clamp(4px, 0.5vw, 8px);
  border: 1px solid #d1d5db;
  font-size: clamp(10px, 1.1vw, 14px);
  line-height: 1.4;
  background: #fff;
}

.form .row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(6px, 0.8vw, 12px);
}

.checkbox-row { 
  display: flex; 
  align-items: center; 
  gap: var(--spacing-xs);
  flex-direction: row;
  justify-content: flex-start;
  padding-left: 0;
  margin-bottom: var(--spacing-xs);
}

.checkbox-row input[type="checkbox"] {
  transform: scale(0.95);
  margin: 0;
}

.checkbox-row .label-text { 
  display: inline-block; 
  margin: 0; 
  text-align: left; 
}

/* Estados de Foco */
.form input[type="text"]:focus,
.form input[type="number"]:focus,
.form input[type="date"]:focus,
.form select:focus { 
  outline: none; 
  border-color: #0ea5e9; 
  box-shadow: 0 0 0 clamp(1px, 0.2vw, 3px) rgba(14,165,233,0.2); 
}

/* Validação */
.form input.is-invalid,
.form select.is-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.25);
}

/* Seleção de Modelos */
.form select#modelo { display: none; }

.modelo-thumbs {
  margin-top: var(--spacing-xs);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  align-items: stretch;
}

.modelo-thumb {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: clamp(6px, 0.7vw, 10px);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.modelo-thumb img {
  width: 100%;
  aspect-ratio: 297 / 210;
  object-fit: cover;
  display: block;
}

.modelo-thumb .caption {
  font-size: clamp(10px, 1.1vw, 13px);
  padding: clamp(4px, 0.6vw, 8px);
  text-align: center;
  color: #374151;
}

.modelo-thumb:hover { border-color: #94a3b8; }
.modelo-thumb.is-active { 
  border-color: #0ea5e9; 
  box-shadow: 0 0 0 clamp(1px, 0.2vw, 3px) rgba(14,165,233,0.25); 
}

/* Ações do Formulário */
.actions { 
  margin-top: clamp(10px, 1.1vw, 16px); 
  display: flex;
  flex-wrap: wrap;
  gap: clamp(8px, 1.1vw, 12px);
  align-items: center;
}

.actions button { 
  background: #10b981; 
  color: white; 
  border: none; 
  padding: clamp(8px, 1vw, 14px) clamp(12px, 1.3vw, 18px); 
  border-radius: clamp(4px, 0.5vw, 8px); 
  font-weight: 600; 
  font-size: clamp(12px, 1.3vw, 16px);
  cursor: pointer; 
  transition: background-color 0.2s ease;
}

.actions button:hover { 
  background: #0ea37a; 
}

.actions .btn-secondary { background: #64748b; }
.actions .btn-secondary:hover { background: #526375; }
.actions .btn-danger { background: #ef4444; }
.actions .btn-danger:hover { background: #dc2626; }

/* ===== PREVIEW DO CERTIFICADO ===== */
.preview { 
  grid-area: preview;
  background: white; 
  border: 1px solid #e5e7eb; 
  border-radius: 10px; 
  padding: 12px; 
  box-shadow: 0 6px 24px rgba(2, 8, 20, 0.06), 0 2px 8px rgba(2, 8, 20, 0.04); 
  overflow: hidden; 
  touch-action: pinch-zoom; 
}

.certificado { 
  position: relative; 
  width: 100%; 
  max-width: 1100px; 
  margin: 0 auto; 
  aspect-ratio: 297 / 210;
  font-size: clamp(8px, 1.45vw, 16px);
  --grid-size: clamp(14px, 1.8vw, 24px);
  overflow: hidden;
}

.certificado .bg { 
  position: absolute;
  inset: 0;
  width: 100%; 
  height: 100%; 
  object-fit: cover;
  display: block; 
  border-radius: 6px; 
}

.certificado .texto { 
  position: absolute; 
  inset: 0; 
  text-align: center; 
}

/* Elementos de Texto */
.certificado .titulo { 
  position: absolute; 
  left: var(--title-x, 50%);
  top: var(--title-y, 16%);
  transform: translate(-50%, -50%);
  font-size: clamp(20px, 2.9vw, 32px);
  font-weight: 700; 
  cursor: default;
  user-select: none;
  touch-action: none;
  white-space: nowrap;
}

.certificado .conteudo { 
  position: absolute; 
  left: var(--body-x, 50%); 
  top: var(--body-y, 49%); 
  transform: translate(-50%, -50%); 
  width: var(--body-w, 80%);
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  justify-content: center; 
  gap: clamp(4px, 0.7vw, 8px);
  padding: 0; 
  cursor: default;
  user-select: none;
  touch-action: none;
  pointer-events: auto;
  overflow: hidden;
  box-sizing: border-box;
}

.certificado .aluno { 
  font-family: 'Great Vibes', cursive; 
  font-size: calc(clamp(26px, 3.8vw, 42px) * var(--content-scale, 1));
  font-weight: 700; 
  margin: clamp(2px, 0.35vw, 4px) 0 clamp(1px, 0.25vw, 3px);
  line-height: 1.1; 
}

.certificado .linha { 
  font-size: calc(clamp(11px, 1.4vw, 18px) * var(--content-scale, 1));
  margin: clamp(2px, 0.4vw, 6px) 0;
  max-width: 100%; 
  line-height: 1.3;
  overflow-wrap: break-word;
}

/* Assinaturas */
.certificado .assinaturas {
  position: absolute;
  inset: 0;
  display: block;
  padding: 0;
  pointer-events: none;
}

.certificado .assinatura {
  position: absolute;
  transform: translate(-50%, -50%);
  width: clamp(140px, 26%, 260px);
  min-height: clamp(40px, 4.8vw, 60px);
  cursor: default;
  user-select: none;
  touch-action: none;
  pointer-events: auto;
}

#assinatura-aluno {
  left: var(--sig-aluno-x, 28%);
  top: var(--sig-aluno-y, 82%);
}

#assinatura-instituicao {
  left: var(--sig-inst-x, 72%);
  top: var(--sig-inst-y, 82%);
}

.certificado .assinatura.is-hidden .linha-assinatura,
.certificado .assinatura.is-hidden .label-assinatura { 
  visibility: hidden; 
}

.certificado .linha-assinatura { 
  border-bottom: clamp(1px, 0.18vw, 2px) solid #1f2937;
  height: 0; 
  margin: clamp(6px, 0.7vw, 12px) 7%; 
}

.certificado .label-assinatura { 
  font-size: clamp(9px, 1.1vw, 14px);
  color: #374151; 
  text-align: center; 
  margin-top: clamp(3px, 0.35vw, 6px);
}

/* Estados de Seleção */
.certificado .titulo.is-selected,
.certificado .conteudo.is-selected,
.certificado .assinatura.is-selected,
.certificado .logo.is-selected {
  outline: clamp(2px, 0.25vw, 3px) dashed #0ea5e9;
  outline-offset: clamp(2px, 0.25vw, 3px);
  border-radius: clamp(3px, 0.4vw, 6px);
}

/* Controles Interativos */
.move-handle {
  position: absolute;
  top: clamp(4px, 0.6vw, 8px);
  right: clamp(4px, 0.6vw, 8px);
  width: clamp(18px, 2.5vw, 26px);
  height: clamp(18px, 2.5vw, 26px);
  background-color: #ffffff;
  background-image: url('/images/move.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: 1px solid #cbd5e1;
  border-radius: clamp(3px, 0.4vw, 6px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
  z-index: 5;
  display: none;
  cursor: grab;
  user-select: none;
  touch-action: manipulation;
}

.move-handle:active { cursor: grabbing; }

.certificado .titulo.is-selected > .move-handle,
.certificado .conteudo.is-selected > .move-handle,
.certificado .assinatura.is-selected > .move-handle {
  display: block;
}

/* Feedback visual e cursor para redimensionamento horizontal do conteúdo */
.certificado .conteudo.is-resize-hover { cursor: ew-resize; }
.certificado .conteudo[data-hover-edge="left"].is-resize-hover { cursor: w-resize; }
.certificado .conteudo[data-hover-edge="right"].is-resize-hover { cursor: e-resize; }
.certificado .conteudo.is-resizing { cursor: ew-resize; }

/* Cursor de redimensionamento para o logo ao passar pelas bordas */
.certificado .logo.is-resize-hover { cursor: ew-resize; }
.certificado .logo[data-hover-edge="left"].is-resize-hover { cursor: w-resize; }
.certificado .logo[data-hover-edge="right"].is-resize-hover { cursor: e-resize; }
.certificado .logo.is-resizing { cursor: ew-resize; }

.certificado .conteudo::before,
.certificado .conteudo::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 6px;
  pointer-events: none;
  opacity: 0; /* invisível por padrão; visível apenas quando selecionado */
  transition: opacity 120ms ease;
}
.certificado .conteudo::before { left: 0; }
.certificado .conteudo::after { right: 0; }

/* Barras visíveis somente quando o bloco de conteúdo está selecionado */
.certificado .conteudo.is-selected::before,
.certificado .conteudo.is-selected::after {
  opacity: 0.336; /* 20% mais escura que a base anterior (0.28) */
  background: linear-gradient(to bottom, rgba(14,165,233,0.36), rgba(14,165,233,0.216));
}
.certificado .conteudo.is-resize-hover::before,
.certificado .conteudo.is-resize-hover::after,
.certificado .conteudo.is-resizing::before,
.certificado .conteudo.is-resizing::after {
  opacity: 0.55; /* mais intenso ao interagir */
  background: linear-gradient(to bottom, rgba(14,165,233,0.55), rgba(14,165,233,0.28));
}

/* Animação de piscar nas barras de borda durante hover */
@keyframes edgeBlink {
  0% { opacity: 0.15; }
  50% { opacity: 0.45; }
  100% { opacity: 0.15; }
}
.certificado .conteudo.is-resize-hover:not(.is-blink-paused)::before,
.certificado .conteudo.is-resize-hover:not(.is-blink-paused)::after {
  animation: edgeBlink 1.1s ease-in-out infinite;
}

/* Removidos grips visíveis de redimensionamento a pedido */

.font-controls {
  position: absolute;
  top: clamp(4px, 0.6vw, 8px);
  right: calc(clamp(4px, 0.6vw, 8px) + clamp(18px, 2.5vw, 26px) + clamp(6px, 0.8vw, 10px));
  display: none;
  z-index: 5;
  gap: clamp(2px, 0.4vw, 6px);
}

.font-btn {
  width: clamp(18px, 2.5vw, 26px);
  height: clamp(18px, 2.5vw, 26px);
  padding: 0;
  background: #ffffff;
  color: #111827;
  border: 1px solid #cbd5e1;
  border-radius: clamp(3px, 0.4vw, 6px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
  font-size: clamp(12px, 1.8vw, 14px);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
}

.font-btn:hover { 
  background: #f3f4f6; 
  border-color: #94a3b8; 
}

.certificado .titulo.is-selected > .font-controls,
.certificado .conteudo.is-selected > .font-controls,
.certificado .assinatura.is-selected > .font-controls {
  display: flex;
}

.scale-target {
  display: inline-block;
  transform: scale(var(--font-scale, 1));
  transform-origin: center center;
}

.certificado .conteudo .scale-target {
  transform: none;
}

/* Grid Overlay */
.grid-overlay {
  position: absolute;
  inset: 0;
  display: none;
  pointer-events: none;
  z-index: 1;
  background-image:
    repeating-linear-gradient(to right,
      rgba(14,165,233,0.25) 0,
      rgba(14,165,233,0.25) 1px,
      transparent 1px,
      transparent var(--grid-size)
    ),
    repeating-linear-gradient(to bottom,
      rgba(14,165,233,0.25) 0,
      rgba(14,165,233,0.25) 1px,
      transparent 1px,
      transparent var(--grid-size)
    );
}

.certificado.show-grid .grid-overlay { display: block; }

/* Marca d'água no preview da home */
.container .certificado .watermark-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='200'%3E%3Ctext x='0' y='80' font-size='32' fill='rgba(0,0,0,0.085)' transform='rotate(-30)'%3EPR%C3%89-VISUALIZA%C3%87%C3%83O%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 300px 200px;
}
@media print {
  .container .certificado .watermark-overlay { display: none; }
}

/* Dica de Pinça */
.pinch-hint { 
  position: absolute; 
  top: 50%; 
  left: 50%; 
  transform: translate(-50%, -50%);
  opacity: 0.35; 
  width: min(40%, 260px);
  max-width: 260px;
  z-index: 10; 
  pointer-events: none; 
  transition: opacity 250ms ease;
  display: none;
}

.pinch-hint.is-hidden { opacity: 0; }

/* ===== SEÇÃO SOBRE ===== */
.about-saas {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(18px, 2.6vw, 40px) clamp(18px, 2.4vw, 36px);
}

.about-saas .about-head {
  margin-bottom: clamp(12px, 2vw, 20px);
}

.about-saas h2 {
  margin: 0 0 clamp(6px, 1vw, 12px);
  font-size: clamp(18px, 2vw, 28px);
  color: #0f172a;
}

.about-saas p.lead {
  margin: 0;
  font-size: clamp(12px, 1.4vw, 16px);
  color: #334155;
}

.about-saas .features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(16px, 2vw, 24px);
}

.about-saas .feature {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: clamp(8px, 0.8vw, 12px);
  padding: clamp(12px, 1.5vw, 18px);
  box-shadow: 0 4px 18px rgba(2, 8, 20, 0.05);
}

.about-saas .feature h3 {
  margin: 0 0 clamp(4px, 0.8vw, 10px);
  font-size: clamp(14px, 1.6vw, 18px);
  color: #0f172a;
}

.about-saas .feature p {
  margin: 0;
  font-size: clamp(11px, 1.2vw, 14px);
  color: #475569;
}

/* ===== SEÇÃO DE PREÇOS ===== */
.pricing-section {
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-border) 100%);
  text-align: center;
}

.pricing-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1rem;
}

.pricing-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(240px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-background);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.pricing-card.featured {
  border-color: var(--color-secondary);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.15);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.price span {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.plan-description {
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  text-align: left;
}

.plan-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

.plan-features li:last-child {
  border-bottom: none;
}

.plan-features li.not-included {
  color: #9ca3af;
  text-decoration: line-through;
}

.plan-actions {
  margin-top: auto;
  text-align: center !important;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 0.75rem;
  width: 100%;
}

.plan-actions .btn {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  display: block;
  width: 100%;
  min-width: unset;
  margin: 0;
}

.plan-actions .btn:hover {
  background: var(--color-secondary);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(30, 64, 175, 0.2);
}

.plan-actions .btn-success {
  background: var(--color-success);
}

.plan-actions .btn-success:hover {
  background: #15803d;
  box-shadow: 0 4px 8px rgba(22, 163, 74, 0.2);
}

.plan-actions .btn-danger {
  background: var(--color-error);
}

.plan-actions .btn-danger:hover {
  background: #b91c1c;
  box-shadow: 0 4px 8px rgba(220, 38, 38, 0.2);
}

.plan-actions .btn-outline-secondary {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.plan-actions .btn-outline-secondary:hover {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-text-secondary);
}

.pricing-footer {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--color-background);
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ===== RODAPÉ ===== */
.site-footer {
  background: #1e293b;
  color: #f8fafc;
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
  border-top: 1px solid #374151;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 3fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #f8fafc;
}

.footer-brand p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #f8fafc;
}

.footer-column a {
  display: block;
  color: #cbd5e1;
  text-decoration: none;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: #ffffff;
}

.footer-social h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #f8fafc;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  text-align: center;
  color: #9ca3af;
  font-size: 0.9rem;
}

/* ===== MEDIA QUERIES ===== */

/* Desktop */
@media (min-width: 769px) {
  .main-nav { margin-left: auto; }
  .menu-close { display: none; }
  .main-nav .header-actions--in-menu { display: none; }
}

/* Tablet & Mobile */
@media (max-width: 980px) { 
  .container { 
    grid-template-columns: 1fr; 
    grid-template-areas:
      "preview"
      "form";
    padding: clamp(12px, 3vw, 24px);
  }
  
  .form {
    margin-bottom: clamp(16px, 4vw, 24px);
  }
  
  .about-saas .features { 
    grid-template-columns: 1fr; 
  }
  
  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

/* Mobile (768px) */
@media (max-width: 768px) {
  .main-header {
    padding-bottom: 0;
  }

  .header-container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
  }

  .logo {
    grid-column: 1;
    grid-row: 1;
    text-align: left;
  }

  .logo h1 {
    font-size: 1.25rem;
  }

  .logo .tagline {
    display: block;
    margin-left: 0;
    margin-top: var(--spacing-xs);
  }

  .hamburger-menu {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(85vw, 380px);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    box-shadow: -12px 0 24px rgba(0,0,0,0.2);
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 10000;
    pointer-events: none;
  }

  .main-nav[data-visible="true"] {
    transform: translateX(0);
    pointer-events: auto;
  }

  .header-actions { 
    display: none; 
  }

  .main-nav .header-actions--in-menu {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .main-nav .btn-login,
  .main-nav .btn-primary {
    width: 100%;
    text-align: center;
  }

  .nav-link {
    font-size: 1rem;
    padding: var(--spacing-sm);
    width: 100%;
    text-align: center;
    border-radius: var(--radius-md);
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
  }

  .btn-login, .btn-primary {
    font-size: 1rem;
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .pricing-header h2 {
    font-size: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* Mobile Pequeno (480px) */
@media (max-width: 480px) {
  .main-nav {
    flex-wrap: wrap;
  }
  
  .header-actions {
    flex-wrap: wrap;
  }
  
  .nav-link{
    font-size: 1.2rem;
  }
  
  .btn-login, .btn-primary {
    font-size: 1.2rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .form label {
    font-size: clamp(12px, 3.2vw, 15px);
    margin-bottom: clamp(9px, 2.2vw, 13px);
  }
  
  .form input[type="text"],
  .form input[type="number"],
  .form input[type="date"] {
    font-size: clamp(12px, 3.2vw, 16px);
    padding: clamp(10px, 2.6vw, 14px) clamp(12px, 3vw, 16px);
    margin-top: clamp(5px, 1.3vw, 9px);
  }
  
  .form select {
    font-size: clamp(12px, 3.2vw, 16px);
    padding: clamp(10px, 2.6vw, 14px) clamp(12px, 3vw, 16px);
    margin-top: clamp(5px, 1.3vw, 9px);
  }
  
  .actions button {
    font-size: clamp(14px, 3.8vw, 18px);
    padding: clamp(12px, 3vw, 16px) clamp(16px, 4vw, 20px);
    width: 100%;
  }
  
  .actions { 
    gap: clamp(12px, 3.8vw, 18px); 
  }
  
  .pinch-hint { 
    display: block; 
  }
  
  .certificado {
    touch-action: none;
    transform-origin: center center;
    transition: transform 80ms ease-out;
    will-change: transform;
  }
  
  .certificado .linha {
    font-size: clamp(10px, 3.2vw, 16px);
    margin: clamp(1px, 0.8vw, 4px) 0;
    line-height: 1.2;
  }
  
  #assinatura-aluno {
    top: var(--sig-aluno-y, 86%);
  }
  
  #assinatura-instituicao {
    top: var(--sig-inst-y, 86%);
  }
  
  .certificado .label-assinatura {
    font-size: clamp(8px, 2.5vw, 12px);
  }
  
  .form .row-2 {
    grid-template-columns: 1fr 1fr;
    gap: clamp(10px, 2.2vw, 14px);
  }

  .pricing-section {
    padding: 2rem 1rem;
  }
  
  .pricing-card {
    padding: 1.5rem;
  }
  
  .price {
    font-size: 2.5rem;
  }

  .site-footer {
    padding: 2rem 1rem 1rem;
  }
  
  .footer-content {
    gap: 1.5rem;
  }
  
  .footer-links {
    gap: 1rem;
  }
}

/* Utilitários */
.toastify {
  white-space: pre-line;
}

/* ===== Image Select (Home) ===== */
.image-select { position: relative; display: inline-block; width: 100%; }
.image-select__trigger { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border: 1px solid #D1D5DB; border-radius: 8px; background: #fff; cursor: pointer; }
.image-select__thumb { width: 48px; height: 32px; object-fit: cover; border-radius: 6px; box-shadow: 0 1px 2px rgba(0,0,0,0.08); }
.image-select__label { flex: 1; text-align: left; color: #111827; }
.image-select__chevron { margin-left: auto; color: #6B7280; }
.image-select__list { position: absolute; z-index: 20; top: calc(100% + 6px); left: 0; right: 0; background: #fff; border: 1px solid #E5E7EB; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); max-height: 260px; overflow: auto; display: none; }
.image-select__option { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border: 0; background: #fff; cursor: pointer; }
.image-select__option:hover { background: #F3F4F6; }
.image-select__option.is-selected { background: #EEF2FF; }

/* Oculta o <select> nativo visualmente, mantendo acessibilidade */
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
/* =============================
   Modal simples (home - download)
   ============================= */
.simple-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 20000;
}
.simple-modal.is-open { display: block; }
.simple-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}
.simple-modal__dialog {
  position: relative;
  width: min(92vw, 520px);
  margin: 10vh auto;
  background: var(--color-bg, #fff);
  color: var(--color-text, #111);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
  overflow: hidden;
}
.simple-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.simple-modal__title { font-size: 1.1rem; margin: 0; }
.simple-modal__close {
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text, #111);
}
.simple-modal__body { padding: 18px 20px; }
.simple-modal__footer {
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.simple-modal__btn {
  appearance: none;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.12);
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  color: var(--color-text, #111);
}
.simple-modal__btn.is-primary {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

/* Estados desabilitado para botões do modal */
.simple-modal__btn {
  position: relative;
}
.simple-modal__btn[disabled],
.simple-modal__btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}
.simple-modal__btn.is-primary[disabled],
.simple-modal__btn.is-primary[aria-disabled="true"] {
  background: #93c5fd; /* tom mais claro do azul */
  border-color: #93c5fd;
  color: #fff;
}
/* Tooltip simples para estado desabilitado */
.simple-modal__btn[disabled]:hover::after,
.simple-modal__btn[aria-disabled="true"]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 6px 8px;
  font-size: 0.75rem;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
}
.simple-modal__btn[disabled]:hover::before,
.simple-modal__btn[aria-disabled="true"]:hover::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(0,0,0,0.8);
}

/* Barra de progresso no modal */
.progress {
  width: 100%;
  height: 10px;
  background: rgba(0,0,0,0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
}
.progress__bar {
  height: 100%;
  width: 0%;
  background: #2563eb;
  transition: width 80ms linear;
}
.progress-note {
  font-size: 0.85rem;
  color: rgba(0,0,0,0.6);
  margin-top: 8px;
}