/* ==========================================================================
   PontoRH — Design System & Public Stylesheet
   Design Philosophy: Modern, Fast, Accessible (WCAG 2.1 AA), Mobile-First
   ========================================================================== */

:root {
  /* Color Palette */
  --color-bg: #090d16;
  --color-bg-card: rgba(18, 25, 41, 0.85);
  --color-bg-card-hover: rgba(28, 38, 62, 0.95);
  --color-bg-glass: rgba(15, 23, 42, 0.65);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-focus: rgba(99, 102, 241, 0.5);
  
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-light: rgba(99, 102, 241, 0.15);
  --color-emerald: #10b981;
  --color-emerald-light: rgba(16, 185, 129, 0.15);
  --color-amber: #f59e0b;
  
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-subtle: #64748b;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Radii & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px -10px rgba(99, 102, 241, 0.35);
  
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(16, 185, 129, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--color-bg-glass);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text-main);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), #4338ca);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.15rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.brand-accent {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  padding: 6px 4px;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-main);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-main);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-emerald:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-whatsapp {
  background: #25d366;
  color: #0b2212;
  font-weight: 700;
}

.btn-whatsapp:hover {
  background: #22bf5b;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-main);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero-section {
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-highlight {
  background: linear-gradient(135deg, #818cf8, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.22rem;
  color: var(--color-text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 42px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 50px auto 0;
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-item h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.88rem;
  color: var(--color-text-subtle);
  font-weight: 500;
}

/* Section Common */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Modules Grid (7 Modules) */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.module-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  background: var(--color-bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.module-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  margin-bottom: 20px;
}

.module-card.core .module-icon-wrap {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald);
}

.module-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  display: inline-block;
  margin-bottom: 12px;
}

.module-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.module-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 18px;
  flex-grow: 1;
}

.module-bullets {
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
}

.module-bullets li {
  font-size: 0.88rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.module-bullets li i {
  color: var(--color-emerald);
  font-size: 0.8rem;
}

/* Feature Showcase Split */
.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.split-feature.reverse {
  direction: rtl;
}
.split-feature.reverse > * {
  direction: ltr;
}

.feature-mockup-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.feature-pill-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.feature-pill-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-pill-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(30, 41, 69, 0.9), rgba(18, 25, 41, 0.9));
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  min-height: 44px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
}

.plan-price {
  font-size: 2.8rem;
  font-weight: 800;
}

.plan-period {
  font-size: 0.95rem;
  color: var(--color-text-subtle);
}

.plan-features {
  list-style: none;
  margin: 24px 0;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.92rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.plan-features li i {
  color: var(--color-emerald);
}

/* Custom Domain Feature Banner */
.domain-feature-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(16, 185, 129, 0.15));
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.domain-feature-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.domain-feature-content p {
  color: var(--color-text-muted);
  max-width: 650px;
  font-size: 0.98rem;
}

.domain-badge {
  background: var(--color-emerald);
  color: #032b1a;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  margin-left: 8px;
}

/* FAQ Accordion */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  color: var(--color-text-main);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question i {
  color: var(--color-text-subtle);
  transition: var(--transition-fast);
}

.faq-item[open] .faq-question i {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Contact Card & Forms */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: #060911;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--color-text-subtle);
  font-size: 0.92rem;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-main);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-main);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-subtle);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.35rem;
  }
  
  .split-feature {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu, .nav-actions {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-section {
    padding: 60px 0 40px;
  }
}

/* Blog & Article Typography */
.article-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 36px 0 16px;
  letter-spacing: -0.01em;
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.article-content ul, .article-content ol {
  margin: 16px 0 24px 24px;
}

.article-content li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.article-content strong {
  color: var(--color-text-main);
}

.article-content a:not(.btn) {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition-fast);
}

.article-content a:not(.btn):hover {
  color: #818cf8;
}

.article-content .btn {
  text-decoration: none !important;
}

.article-content .btn-primary {
  color: #ffffff !important;
  background: linear-gradient(135deg, var(--color-primary), #4f46e5) !important;
}

.article-content .btn-emerald {
  color: #ffffff !important;
  background: linear-gradient(135deg, #10b981, #059669) !important;
}

.article-content .btn-secondary {
  color: var(--color-text-main) !important;
}

.blog-callout {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-md);
  padding: 30px;
  margin: 40px 0;
}

.blog-callout h3 {
  margin-top: 0;
  font-size: 1.3rem;
  font-weight: 700;
}

.blog-callout p {
  color: var(--color-text-muted);
  margin-bottom: 0;
  font-size: 1rem;
}

/* Acessibilidade & Foco (WCAG 2.1 AA) */
.skip-link {
  position: absolute;
  top: -120px;
  left: 20px;
  background: var(--color-primary);
  color: white;
  padding: 12px 20px;
  z-index: 99999;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 20px;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Menu Móvel com transição fluida */
@media (max-width: 768px) {
  .nav-menu.nav-menu-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #090d16;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    gap: 16px;
    animation: fadeInMenu 0.2s ease-out;
  }
}

@keyframes fadeInMenu {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}