/* ==========================================================================
   ELYON Landing Page - Antigravity Style
   Professional B2B SaaS Design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Monochrome */
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  
  /* Accent */
  --color-primary: #1E40AF;
  --color-primary-hover: #1E3A8A;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.text-muted {
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
  border-color: var(--color-gray-400);
  background: var(--color-gray-50);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-black);
}

.logo-img {
  height: 28px;
  width: auto;
  filter: grayscale(1) brightness(0);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--space-16)) 0 var(--space-24);
  background: radial-gradient(circle at 50% 0%, #F9FAFB 0%, #FFFFFF 100%);
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.hero-subtitle {
  font-size: var(--text-2xl);
  color: var(--color-gray-600);
  line-height: 1.5;
  margin-bottom: var(--space-10);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  flex-wrap: wrap;
}

.hero-stats span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero-visual {
  margin-top: var(--space-12);
  padding: 0;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: 
    0 20px 40px -10px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(0, 0, 0, 0.05);
  transition: transform 0.5s ease;
}

.hero-visual:hover img {
  transform: translateY(-5px);
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
  padding: var(--space-32) 0;
  background: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

.section-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: var(--space-6);
}

.feature-number {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.feature-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-black);
}

.feature-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   How It Works Section - Step Cards with Internal Numbers
   -------------------------------------------------------------------------- */
.how-it-works {
  padding: var(--space-32) 0;
  background: var(--color-gray-50);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

.process-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.process-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.process-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px -8px rgba(30, 64, 175, 0.15);
  transform: translateY(-4px);
}

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

/* Step badge */
.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-gray-100);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.process-card:hover .card-number {
  background: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.1);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
  color: var(--color-black);
  line-height: 1.3;
}

.card-description {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
  margin: 0;
}

/* Desktop - 5 columns with arrows */
@media (min-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
  }
  
  /* Arrow between cards */
  .process-card:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-gray-300);
    z-index: 1;
  }
}

/* Tablet - 2 columns */
@media (max-width: 1023px) and (min-width: 640px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

/* Mobile - 1 column */
@media (max-width: 639px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .process-card {
    padding: var(--space-6);
  }
  
  .card-title {
    font-size: var(--text-base);
  }
}

/* --------------------------------------------------------------------------
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing {
  padding: var(--space-32) 0;
  background: var(--color-gray-50);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* Plano destaque (Pro) - AUMENTADO */
.pricing-card.featured {
  border-color: var(--color-primary);
  border-width: 3px;
  box-shadow: 0 12px 32px rgba(30, 64, 175, 0.25);
  transform: scale(1.08);
}

.pricing-card.featured:hover {
  transform: scale(1.08) translateY(-4px);
  box-shadow: 0 16px 40px rgba(30, 64, 175, 0.3);
}

.pricing-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(30, 64, 175, 0);
  }
}

.plan-name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-black);
}

.plan-description {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
  min-height: 40px;
}

.pricing-price {
  margin-bottom: var(--space-6);
}

.price-amount {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.price-amount small {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-gray-600);
}

.price-detail {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-2);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-6);
  min-height: 200px;
}

.pricing-features ul {
  list-style: none;
  padding: 0;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

/* Apenas Starter tem checks */
.pricing-card:not(.featured) .pricing-features li::before {
  content: '✓';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 64, 175, 0.1);
  color: var(--color-primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--text-xs);
}

/* Planos com list-style:none não têm checks */
.pricing-features ul[style*="list-style: none"] li::before {
  content: none !important;
}

.pricing-cta .btn {
  width: 100%;
}

/* Tablet */
@media (max-width: 1023px) and (min-width: 640px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
  
  .pricing-card.featured {
    transform: scale(1);
    order: -1;
  }
}

/* Mobile */
@media (max-width: 639px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
}

/* --------------------------------------------------------------------------
   Roadmap Section - Alternating Timeline
   -------------------------------------------------------------------------- */
.roadmap {
  padding: var(--space-32) 0;
  background: var(--color-white);
}

.roadmap-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-8) 0;
}

/* Linha vertical central */
.roadmap-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gray-200);
}

.roadmap-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.roadmap-item:last-child {
  margin-bottom: 0;
}

/* Status indicator (dot na linha central) */
.roadmap-status {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 4px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-gray-300);
  z-index: 2;
}

.roadmap-item.ready .roadmap-status {
  background: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.roadmap-item.coming-soon .roadmap-status {
  background: #F59E0B;
  box-shadow: 0 0 0 2px #F59E0B;
}

.roadmap-item.future .roadmap-status {
  background: var(--color-gray-300);
}

/* Cards alternados */
.roadmap-content {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all 0.3s ease;
  position: relative;
}

/* Items ímpares - à esquerda */
.roadmap-item:nth-child(odd) .roadmap-content {
  grid-column: 1;
}

/* Items pares - à direita */
.roadmap-item:nth-child(even) .roadmap-content {
  grid-column: 2;
}

/* Linha conectora do card ao centro */
.roadmap-content::before {
  content: '';
  position: absolute;
  top: 24px;
  width: 24px;
  height: 2px;
  background: var(--color-gray-200);
}

.roadmap-item:nth-child(odd) .roadmap-content::before {
  right: -24px;
}

.roadmap-item:nth-child(even) .roadmap-content::before {
  left: -24px;
}

.roadmap-item.ready .roadmap-content {
  background: var(--color-white);
  border-color: var(--color-primary);
}

.roadmap-item.ready .roadmap-content::before {
  background: var(--color-primary);
}

.roadmap-content:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.roadmap-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.roadmap-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.roadmap-item.ready .roadmap-badge {
  background: rgba(30, 64, 175, 0.1);
  color: var(--color-primary);
}

.roadmap-item.coming-soon .roadmap-badge {
  background: rgba(245, 158, 11, 0.1);
  color: #D97706;
}

.roadmap-item.future .roadmap-badge {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.roadmap-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-black);
  margin: 0 0 var(--space-2) 0;
}

.roadmap-description {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
  margin: 0;
}

/* Tablet e Mobile - volta para layout vertical */
@media (max-width: 768px) {
  .roadmap-timeline {
    padding-left: var(--space-12);
  }
  
  .roadmap-timeline::before {
    left: 20px;
    transform: none;
  }
  
  .roadmap-item {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: var(--space-8);
  }
  
  .roadmap-item:nth-child(odd) .roadmap-content,
  .roadmap-item:nth-child(even) .roadmap-content {
    grid-column: 1;
  }
  
  .roadmap-status {
    left: 20px;
    transform: translateX(-50%);
    top: 20px;
  }
  
  .roadmap-content::before {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  padding: var(--space-32) 0;
  background: var(--color-black);
  color: var(--color-white);
  text-align: center;
}

.cta-section .section-title {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.cta-section .section-subtitle {
  color: var(--color-gray-400);
  margin-bottom: var(--space-10);
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-black);
}

.cta-section .btn-primary:hover {
  background: var(--color-gray-100);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-16) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.footer-links a:hover {
  color: var(--color-gray-900);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .container {
    padding: 0 var(--space-12);
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .section-title {
    font-size: var(--text-3xl);
  }
  
  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }
}