/* ============================================
   NODEHERO - Styles
   Futuristic Bitcoin Node Hosting Website
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-bg-primary: #050509;
  --color-bg-secondary: #0b0b12;
  --color-bg-tertiary: #111118;
  --color-bg-card: rgba(15, 15, 22, 0.8);

  --color-bitcoin: #f7931a;
  --color-bitcoin-light: #ffb84d;
  --color-bitcoin-dark: #cc7a15;

  --color-accent-cyan: #00e5ff;
  --color-accent-green: #4dffb5;
  --color-accent-purple: #9d4edd;

  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #6b6b7b;

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(247, 147, 26, 0.3);

  /* Gradients */
  --gradient-bitcoin: linear-gradient(135deg, #f7931a 0%, #ffb84d 100%);
  --gradient-glow: linear-gradient(135deg, #f7931a 0%, #00e5ff 100%);
  --gradient-card: linear-gradient(180deg, rgba(247, 147, 26, 0.05) 0%, transparent 100%);

  /* Typography */
  --font-primary: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-glow: 0 0 20px rgba(247, 147, 26, 0.3);
  --shadow-glow-lg: 0 0 40px rgba(247, 147, 26, 0.4);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-loader: 500;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Fallback for no WebGL */
body.no-webgl .hero-canvas {
  display: none;
}

body.no-webgl .hero {
  background: radial-gradient(ellipse at 50% 0%, rgba(247, 147, 26, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0, 229, 255, 0.1) 0%, transparent 40%), var(--color-bg-primary);
}

body.no-webgl .hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(247, 147, 26, 0.3) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(0, 229, 255, 0.3) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 100px 100px, 150px 150px, 50px 50px;
  animation: staticNodes 20s linear infinite;
  opacity: 0.5;
}

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

/* Selection */
::selection {
  background-color: var(--color-bitcoin);
  color: var(--color-bg-primary);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-bitcoin);
  outline-offset: 2px;
}

/* ============================================
   LOADER
   ============================================ */

.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
}

.loader-logo {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.loader-logo span {
  color: var(--color-bitcoin);
}

.loader-bar {
  width: 200px;
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto var(--spacing-md);
}

.loader-progress {
  width: 0%;
  height: 100%;
  background: var(--gradient-bitcoin);
  border-radius: var(--radius-full);
  animation: loadProgress 2s ease-out forwards;
}

@keyframes loadProgress {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ============================================
   HEADER
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--spacing-md) 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(5, 5, 9, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-bitcoin);
}

.logo-icon {
  color: var(--color-bitcoin);
  font-size: 1.25rem;
}

/* Navigation */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-bitcoin);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-bitcoin);
  color: var(--color-bg-primary) !important;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  z-index: var(--z-fixed);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 968px) {
  .menu-toggle {
    display: flex;
  }

  .mobile-menu-overlay {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-secondary);
    padding: var(--spacing-4xl) var(--spacing-xl);
    transition: right var(--transition-slow);
    z-index: var(--z-modal);
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
  }

  .nav-link {
    font-size: 1.125rem;
  }

  .nav-cta {
    margin-top: var(--spacing-lg);
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--spacing-4xl) 0;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(5, 5, 9, 1) 0%, transparent 50%),
    linear-gradient(to bottom, transparent 60%, var(--color-bg-primary) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(77, 255, 181, 0.1);
  border: 1px solid rgba(77, 255, 181, 0.3);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent-green);
  margin-bottom: var(--spacing-xl);
  animation: fadeInDown 0.8s ease;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.gradient-text {
  background: var(--gradient-bitcoin);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  animation: fadeInUp 0.8s ease 0.6s backwards;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.8s ease 0.8s backwards;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-bitcoin);
  font-family: var(--font-mono);
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-bitcoin);
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.hero-philosophy {
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  animation: fadeInUp 0.8s ease 1s backwards;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  z-index: 2;
  animation: fadeIn 1s ease 1.2s backwards;
}

.scroll-arrow {
  width: 20px;
  height: 30px;
  border: 2px solid var(--color-text-muted);
  border-radius: var(--radius-full);
  position: relative;
}

.scroll-arrow::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-bitcoin);
  border-radius: var(--radius-full);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(8px);
    opacity: 0.5;
  }
}

@media (max-width: 768px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .stat-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    margin-top: 0;
  }

  .scroll-indicator {
    display: none;
  }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-icon {
  font-size: 1.1em;
}

.btn-primary {
  background: var(--gradient-bitcoin);
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-secondary:hover {
  border-color: var(--color-bitcoin);
  background: rgba(247, 147, 26, 0.1);
}

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

.btn-outline:hover {
  border-color: var(--color-bitcoin);
  color: var(--color-bitcoin);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-glow:hover::before {
  left: 100%;
}

.btn-full {
  width: 100%;
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-bitcoin);
  background: rgba(247, 147, 26, 0.1);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   PARA QUEM SECTION
   ============================================ */

.para-quem {
  background: var(--color-bg-secondary);
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.persona-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.persona-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-bitcoin);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.persona-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
}

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

.persona-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.persona-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.persona-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.persona-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-bitcoin);
  background: rgba(247, 147, 26, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

/* ============================================
   COMO FUNCIONA SECTION
   ============================================ */

.steps-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
}

.step-card {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
}

.step-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-bitcoin);
  margin-bottom: var(--spacing-md);
}

.step-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 147, 26, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-bitcoin);
}

.step-icon svg {
  width: 28px;
  height: 28px;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-sm);
}

.connector-line {
  width: 30px;
  height: 2px;
  background: var(--color-border);
}

.connector-dot {
  width: 8px;
  height: 8px;
  background: var(--color-bitcoin);
  border-radius: 50%;
}

@media (max-width: 968px) {
  .step-connector {
    display: none;
  }

  .step-card {
    max-width: 100%;
  }
}

/* Timeline Bar */
.timeline-bar {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.timeline-progress {
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.timeline-progress::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: var(--gradient-bitcoin);
  border-radius: var(--radius-full);
  animation: timelineGrow 3s ease-out forwards;
}

@keyframes timelineGrow {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}

.timeline-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================
   POR QUE NODE SECTION
   ============================================ */

.por-que-node {
  background: var(--color-bg-secondary);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.reason-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.reason-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.reason-card.featured {
  grid-column: span 2;
  background: var(--gradient-card);
  border-color: rgba(247, 147, 26, 0.2);
}

@media (max-width: 768px) {
  .reason-card.featured {
    grid-column: span 1;
  }
}

.reason-icon-wrapper {
  position: relative;
  width: fit-content;
  margin-bottom: var(--spacing-md);
}

.reason-icon {
  font-size: 2rem;
}

.icon-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(247, 147, 26, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

.reason-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.reason-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.reason-metaphor {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(247, 147, 26, 0.1);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.metaphor-icon {
  flex-shrink: 0;
}

/* Educational Box */
.educational-box {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent-cyan);
  border-left: 4px solid var(--color-accent-cyan);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.edu-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.edu-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent-cyan);
}

.edu-content p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .educational-box {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   BENEFÍCIOS SECTION
   ============================================ */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.benefit-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
}

.benefit-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 147, 26, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-bitcoin);
}

.benefit-icon svg {
  width: 24px;
  height: 24px;
}

.benefit-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-green);
  background: rgba(77, 255, 181, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.benefit-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.benefit-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Trust Banner */
.trust-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(77, 255, 181, 0.05);
  border: 1px solid rgba(77, 255, 181, 0.2);
  border-radius: var(--radius-lg);
}

.trust-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-green);
  color: var(--color-bg-primary);
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

.trust-banner p {
  font-weight: 500;
  color: var(--color-accent-green);
}

/* ============================================
   PLANOS SECTION
   ============================================ */

.planos {
  background: var(--color-bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

.pricing-card.featured {
  border-color: var(--color-bitcoin);
  background: var(--gradient-card);
}

.pricing-card.featured:hover {
  box-shadow: var(--shadow-glow);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-bitcoin);
  color: var(--color-bg-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.plan-icon {
  display: block;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

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

.plan-desc {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.pricing-price {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.currency {
  font-size: 1.25rem;
  font-weight: 500;
  vertical-align: super;
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.period {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.plan-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.plan-features li.disabled {
  opacity: 0.5;
}

.plan-features .check {
  color: var(--color-accent-green);
  font-weight: 700;
}

.plan-features .x {
  color: var(--color-text-muted);
}

.plan-cta {
  margin-top: auto;
}

/* Pricing Note */
.pricing-note {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.pricing-note p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.pricing-note .small {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   DEPOIMENTOS SECTION
   ============================================ */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.testimonial-content {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.quote-icon {
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--color-bitcoin);
  opacity: 0.3;
  position: absolute;
  top: -20px;
  left: -10px;
  line-height: 1;
}

.testimonial-content p {
  position: relative;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient-bitcoin);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-bg-primary);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  font-size: 1rem;
}

.author-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.testimonial-rating {
  color: var(--color-bitcoin);
  font-size: 0.875rem;
  letter-spacing: 2px;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq {
  background: var(--color-bg-secondary);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-item.active {
  border-color: var(--color-bitcoin);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}

.faq-question:hover {
  color: var(--color-bitcoin);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-bitcoin);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   CONTATO SECTION
   ============================================ */

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

@media (max-width: 968px) {
  .contato-grid {
    grid-template-columns: 1fr;
  }
}

.contato-info .section-tag {
  margin-bottom: var(--spacing-md);
}

.contato-info .section-title {
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.contato-info > p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.contato-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contato-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contato-feature strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.contato-feature p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Contact Form */
.contato-form-wrapper {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-bitcoin);
  box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A0A0B0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.error-message {
  display: block;
  font-size: 0.8125rem;
  color: #ff6b6b;
  margin-top: var(--spacing-xs);
  min-height: 1.2em;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #ff6b6b;
}

.form-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.footer-brand .logo {
  margin-bottom: var(--spacing-md);
  display: inline-flex;
}

.footer-tagline {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.footer-philosophy {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

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

.footer-social h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

@media (max-width: 576px) {
  .social-links {
    justify-content: center;
  }
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-bitcoin);
  border-color: var(--color-bitcoin);
  color: var(--color-bg-primary);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-disclaimer {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 107, 107, 0.05);
  border: 1px solid rgba(255, 107, 107, 0.1);
  border-radius: var(--radius-md);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */

.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-bitcoin);
  border-color: var(--color-bitcoin);
  color: var(--color-bg-primary);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animations for cards */
.animate-on-scroll[data-delay="1"] {
  transition-delay: 0.1s;
}
.animate-on-scroll[data-delay="2"] {
  transition-delay: 0.2s;
}
.animate-on-scroll[data-delay="3"] {
  transition-delay: 0.3s;
}
.animate-on-scroll[data-delay="4"] {
  transition-delay: 0.4s;
}
.animate-on-scroll[data-delay="5"] {
  transition-delay: 0.5s;
}
.animate-on-scroll[data-delay="6"] {
  transition-delay: 0.6s;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mt-1 {
  margin-top: var(--spacing-md);
}
.mt-2 {
  margin-top: var(--spacing-xl);
}
.mt-3 {
  margin-top: var(--spacing-2xl);
}

.mb-1 {
  margin-bottom: var(--spacing-md);
}
.mb-2 {
  margin-bottom: var(--spacing-xl);
}
.mb-3 {
  margin-bottom: var(--spacing-2xl);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    font-size: 15px;
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }

  .section-header {
    margin-bottom: var(--spacing-xl);
  }
}

/* Mobile Small */
@media (max-width: 360px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9375rem;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .header,
  .hero-canvas,
  .scroll-indicator,
  .back-to-top,
  .btn-glow::before {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    page-break-inside: avoid;
  }
}