/* ============================================================================
   🚀 CIRCUIT SAGE 2030 — LANDING PAGE
   Dependência: main.css carregado ANTES deste ficheiro
   Página:      index.html (landing page pública)
   NÃO inclui:  header, footer, .btn — definidos em main.css
   ============================================================================ */

/* ─── Hero Section ─────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 204, 255, 0.1) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0%   { transform: translateY(0); }
  100% { transform: translateY(50px); }
}

.hero-content {
  text-align: center;
  max-width: 900px;
  z-index: 1;
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.3);
  border-radius: 50px;
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Section Headers (Features, Pricing, etc.) ─────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 102, 255, 0.1);
  border-radius: 50px;
  color: var(--primary-color);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* ─── Features Section ──────────────────────────────────────────────────────── */
.features {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.feature-card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 102, 255, 0.3);
  box-shadow: var(--shadow-2xl);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.feature-title       { font-size: 1.5rem; margin-bottom: var(--spacing-sm); }
.feature-description { color: var(--text-secondary); line-height: 1.6; }

/* ─── Pricing Section ───────────────────────────────────────────────────────── */
.pricing {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 102, 255, 0.05) 50%, transparent 100%);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--card-bg);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 2px solid rgba(255, 255, 255, 0.05);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'MAIS POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  padding: 0.25rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.pricing-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-2xl), 0 0 40px rgba(0, 102, 255, 0.2);
}

.pricing-card.featured:hover { transform: translateY(-10px) scale(1.07); }

.plan-name { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--spacing-xs); }

/* NOTA: .plan-price aqui é para a landing (3rem, vitrine de preços)
   forms.css tem .plan-price para cards de selecção de plano (1.5rem)
   Não conflituam porque são carregados em páginas diferentes */
.plan-price {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.plan-price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.plan-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.plan-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.plan-features li {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.plan-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: 700;
  font-size: 1.25rem;
}

.plan-features li.disabled          { opacity: 0.4; }
.plan-features li.disabled::before  { content: '✗'; color: var(--text-muted); }

/* ─── CTA Section ────────────────────────────────────────────────────────────── */
.cta-section {
  padding: var(--spacing-2xl) 0;
  background: var(--primary-gradient);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
  opacity: 0.3;
}

.cta-content   { text-align: center; position: relative; z-index: 1; }
.cta-title     { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--spacing-md); }
.cta-description { font-size: 1.25rem; margin-bottom: var(--spacing-xl); opacity: 0.9; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .pricing-cards            { grid-template-columns: 1fr; }
  .pricing-card.featured    { transform: scale(1); }
}

/* ─── Pricing Grid (4-column layout used in index.html) ────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.pricing-grid .card {
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.pricing-grid .card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,102,255,0.35);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px rgba(0,102,255,0.12);
}

.pricing-grid .popular.card {
  border: 1.5px solid #0066ff;
  box-shadow: 0 0 40px rgba(0,102,255,0.15);
  position: relative;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #fff;
}

.pricing-price {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
  margin-bottom: 0.25rem;
}

.pricing-features {
  list-style: none;
  margin: 1rem 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  flex: 1;
}

.pricing-features li {
  font-size: 0.875rem;
  color: #8892b0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.4;
}

.pricing-features li::before {
  content: '✓';
  color: #0066ff;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05em;
}

/* AI chat icon button on each plan card */
.plan-chat-btn {
  position: absolute;
  top: 0.875rem;
  right: 0.875rem;
  width: 30px;
  height: 30px;
  background: rgba(0,102,255,0.1);
  border: 1px solid rgba(0,102,255,0.2);
  color: #00ccff;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.plan-chat-btn:hover {
  background: rgba(0,102,255,0.2);
  border-color: rgba(0,102,255,0.5);
  transform: scale(1.1);
}

/* ─── Plan Advisor Chat Modal ───────────────────────────────────────────────── */
#planChatOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#planChatPanel {
  background: #0f1629;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1rem;
  width: 100%;
  max-width: 580px;
  height: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,102,255,0.15);
  position: relative;
}

#planChatPanel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0066ff, #00ccff);
}

#planChatHeader {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

#planChatHeader #planChatTitle {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

#planChatHeader small {
  font-size: 0.75rem;
  color: #00ccff;
  background: rgba(0,204,255,0.1);
  border: 1px solid rgba(0,204,255,0.2);
  padding: 0.15rem 0.5rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.plan-chat-close {
  margin-left: auto;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: #8892b0;
  font-size: 1.125rem;
  line-height: 1;
  width: 30px;
  height: 30px;
  border-radius: 0.375rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}

.plan-chat-close:hover { background: rgba(239,68,68,0.15); color: #ef4444; border-color: rgba(239,68,68,0.3); }

#planChatMessages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  scroll-behavior: smooth;
}

#planChatMessages::-webkit-scrollbar { width: 4px; }
#planChatMessages::-webkit-scrollbar-track { background: transparent; }
#planChatMessages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.pcm-user,
.pcm-bot {
  max-width: 82%;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  line-height: 1.55;
  border-radius: 1rem;
  word-break: break-word;
}

.pcm-user {
  align-self: flex-end;
  background: linear-gradient(135deg, #0066ff, #0099dd);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
}

.pcm-bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: #c0cce0;
  border-bottom-left-radius: 0.25rem;
}

.pcm-typing { opacity: 0.6; }

#planChatInputArea {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  gap: 0.75rem;
  align-items: center;
  background: rgba(0,0,0,0.2);
  flex-shrink: 0;
}

#planChatInput {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  min-width: 0;
}

#planChatInput:focus { border-color: #0066ff; box-shadow: 0 0 0 3px rgba(0,102,255,0.15); }
#planChatInput::placeholder { color: #4a5568; }

#planChatSend {
  background: linear-gradient(135deg, #0066ff, #00aaee);
  color: white;
  border: none;
  border-radius: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

#planChatSend:hover { opacity: 0.9; transform: translateY(-1px); }
#planChatSend:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* Card icon (features grid) */
.card-icon {
  font-size: 2rem;
  margin-bottom: 0.875rem;
  line-height: 1;
}

/* Compliance badges (hero) */
.compliance-badges {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: #4a5568;
  letter-spacing: 0.02em;
}

/* ─── Annual Pricing Callout ──────────────────────────────────────────────────── */
.pricing-annual-callout {
  margin-top: 0.625rem;
  margin-bottom: 1.25rem;
  background: rgba(104, 211, 145, 0.08);
  border: 1px solid rgba(104, 211, 145, 0.2);
  border-radius: 0.625rem;
  padding: 0.625rem 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.pricing-annual-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pricing-annual-price {
  font-size: 1rem;
  font-weight: 600;
  color: #e2e8f0;
}

.pricing-discount-pill {
  background: rgba(104, 211, 145, 0.2);
  color: #68d391;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.pricing-annual-save {
  font-size: 0.78rem;
  color: #68d391;
  font-weight: 500;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .pricing-grid { grid-template-columns: 1fr; }
  #planChatPanel { height: 85vh; max-height: none; border-radius: 0.75rem; }
}