/* ========================================
   BOT BINARY OPTIONS — Global Stylesheet
   Clean, Professional, Trust-focused
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:wght@600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --color-bg: #FAFBFD;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F3F5F9;
  --color-border: #E2E6EE;
  --color-border-light: #EEF1F6;
  --color-text: #1A1D26;
  --color-text-secondary: #5A6178;
  --color-text-muted: #8B90A0;
  --color-primary: #1B6EF3;
  --color-primary-hover: #1458C7;
  --color-primary-light: #E8F0FE;
  --color-primary-soft: #D0E2FC;
  --color-accent: #00C48C;
  --color-accent-light: #E6FAF3;
  --color-warning: #F5A623;
  --color-warning-light: #FFF6E5;
  --color-danger: #E54D4D;
  --color-iq: #FF9800;
  --color-quotex: #00BFA5;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --shadow-sm: 0 1px 3px rgba(26,29,38,0.04), 0 1px 2px rgba(26,29,38,0.06);
  --shadow-md: 0 4px 16px rgba(26,29,38,0.06), 0 2px 4px rgba(26,29,38,0.04);
  --shadow-lg: 0 12px 40px rgba(26,29,38,0.08), 0 4px 12px rgba(26,29,38,0.04);
  --shadow-xl: 0 24px 64px rgba(26,29,38,0.10);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-hover); }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--color-text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; font-family: var(--font-body); font-weight: 600; }
p { color: var(--color-text-secondary); max-width: 68ch; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: inline-block;
  background: var(--color-primary-light);
  padding: 4px 14px;
  border-radius: 100px;
}

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }
.text-center { text-align: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(27,110,243,0.25);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  box-shadow: 0 4px 16px rgba(27,110,243,0.35);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,196,140,0.25);
}
.btn-accent:hover {
  background: #00A87A;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,196,140,0.35);
  transform: translateY(-1px);
}

.btn-iq { background: var(--color-iq); color: #fff; }
.btn-iq:hover { background: #E08600; color: #fff; transform: translateY(-1px); }
.btn-quotex { background: var(--color-quotex); color: #fff; }
.btn-quotex:hover { background: #009B86; color: #fff; transform: translateY(-1px); }

.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* --- Header / Nav --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}
.logo svg { width: 36px; height: 36px; }
.logo span { color: var(--color-primary); }

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
  background: var(--color-surface-alt);
  padding: 4px;
  border-radius: var(--radius-sm);
}
.lang-switcher a {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  color: var(--color-text-muted);
  transition: all 0.2s;
}
.lang-switcher a:hover { color: var(--color-text); }
.lang-switcher a.active {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  left: 5px;
  transition: all 0.3s;
}
.menu-toggle span:nth-child(1) { top: 9px; }
.menu-toggle span:nth-child(2) { top: 15px; }
.menu-toggle span:nth-child(3) { top: 21px; }
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg); top: 15px; }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg); top: 15px; }

/* --- Hero Section --- */
.hero {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 80px;
  background: linear-gradient(180deg, #F0F4FF 0%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27,110,243,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,196,140,0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 { margin-bottom: 20px; }
.hero-text p { font-size: 1.15rem; margin-bottom: 32px; max-width: 520px; }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-mockup {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  border: 1px solid var(--color-border-light);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-light);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot.red { background: #FF5F56; }
.mockup-dot.yellow { background: #FFBD2E; }
.mockup-dot.green { background: #27C93F; }
.mockup-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.mockup-body { display: flex; flex-direction: column; gap: 12px; }

.mockup-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.mockup-label { color: var(--color-text-muted); font-weight: 500; }
.mockup-value { font-weight: 600; color: var(--color-text); }
.mockup-value.win { color: var(--color-accent); }
.mockup-value.loss { color: var(--color-danger); }

.mockup-chart {
  height: 120px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 8px;
  gap: 4px;
}
.chart-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  min-height: 8px;
  transition: height 0.6s cubic-bezier(0.4,0,0.2,1);
}
.chart-bar.up { background: var(--color-accent); }
.chart-bar.down { background: rgba(229,77,77,0.4); }

/* Trust badges */
.trust-row {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  align-items: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}
.trust-item svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-soft);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.feature-icon.blue { background: var(--color-primary-light); color: var(--color-primary); }
.feature-icon.green { background: var(--color-accent-light); color: var(--color-accent); }
.feature-icon.orange { background: var(--color-warning-light); color: var(--color-warning); }

.feature-card h3 { margin-bottom: 10px; font-family: var(--font-body); font-weight: 600; font-size: 1.1rem; }
.feature-card p { font-size: 0.9rem; line-height: 1.65; }

/* --- Platform Cards --- */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.platform-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  transition: all 0.3s;
}
.platform-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.platform-logo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
}
.platform-logo.iq { background: linear-gradient(135deg, #FF9800 0%, #FF5722 100%); color: #fff; }
.platform-logo.quotex { background: linear-gradient(135deg, #00BFA5 0%, #009688 100%); color: #fff; }

.platform-card h3 { margin-bottom: 8px; }
.platform-card p { margin: 0 auto 24px; font-size: 0.9rem; }

.platform-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}
.platform-features li {
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--color-border-light);
}
.platform-features li:last-child { border-bottom: none; }
.platform-features li svg { width: 16px; height: 16px; color: var(--color-accent); flex-shrink: 0; }

/* --- Steps / How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.step-card {
  text-align: center;
  padding: 28px 20px;
  position: relative;
}
.step-card::after {
  content: '';
  position: absolute;
  top: 38px;
  right: -12px;
  width: 24px;
  height: 2px;
  background: var(--color-border);
}
.step-card:last-child::after { display: none; }

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 16px;
}

.step-card h4 { margin-bottom: 8px; }
.step-card p { font-size: 0.85rem; margin: 0 auto; }

/* --- Code Block --- */
.code-block {
  background: #1E2028;
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
  overflow-x: auto;
  position: relative;
}
.code-block code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #E4E7EB;
  line-height: 1.8;
  white-space: pre;
}
.code-block .comment { color: #6B7394; }
.code-block .command { color: #7EC8E3; }
.code-block .string { color: #A8D8A8; }
.code-block .prompt { color: #F5A623; user-select: none; }

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: #aaa;
  padding: 6px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.2s;
}
.copy-btn:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* --- FAQ --- */
.faq-list { max-width: 760px; margin: 48px auto 0; }

.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-surface);
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: var(--color-primary-soft); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.open .faq-question svg { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1);
}
.faq-answer-inner { padding: 0 24px 20px; }
.faq-answer-inner p { font-size: 0.9rem; }

/* --- Warning/Disclaimer Banner --- */
.disclaimer-banner {
  background: var(--color-warning-light);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 48px;
}
.disclaimer-banner svg { width: 24px; height: 24px; color: var(--color-warning); flex-shrink: 0; margin-top: 2px; }
.disclaimer-banner p { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.6; }

/* --- Footer --- */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p { font-size: 0.85rem; margin-top: 16px; line-height: 1.7; color: rgba(255,255,255,0.5); }
.footer-col h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.5); font-size: 0.85rem; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-visual { order: -1; }
  .hero-mockup { max-width: 400px; }
  .btn-group { justify-content: center; }
  .trust-row { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .step-card::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }
  .features-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .hero { padding-top: calc(var(--header-height) + 48px); padding-bottom: 48px; }
  .hero-mockup { padding: 16px; }
}

/* --- Page-specific: Tutorial --- */
.tutorial-content {
  max-width: 800px;
  margin: 0 auto;
  padding-top: calc(var(--header-height) + 48px);
}

.tutorial-content h2 { margin-top: 56px; margin-bottom: 16px; }
.tutorial-content p { margin-bottom: 16px; }
.tutorial-content ol, .tutorial-content ul {
  margin: 16px 0 24px 24px;
  color: var(--color-text-secondary);
}
.tutorial-content li { margin-bottom: 8px; font-size: 0.95rem; }

.req-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.req-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
}
.req-item svg { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; }

/* --- Notification bar --- */
.top-bar {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 500;
}
.top-bar a { color: #fff; text-decoration: underline; }
.top-bar + .site-header { top: 36px; }
.top-bar ~ main { padding-top: 36px; }

/* --- Scroll to Top --- */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* === EXTRAS: AI Section, Doações, Tutorial Estratégias, Em Breve === */

/* Free badge pulse */
.free-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--color-accent); color: #fff; font-family: var(--font-body);
  font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 6px 16px; border-radius: 100px;
  animation: pulse-glow 2s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,196,140,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(0,196,140,0); }
}

/* AI Section */
.ai-section { background: linear-gradient(135deg, #F3EEFF 0%, #E8F0FE 50%, #E6FAF3 100%); position: relative; overflow: hidden; }
.ai-section::before { content: ''; position: absolute; top: -150px; right: -150px; width: 500px; height: 500px; background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%); border-radius: 50%; }
.ai-content { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.ai-text .section-label { background: #F3EEFF; color: #8B5CF6; }
.ai-text h2 { margin-bottom: 16px; }
.ai-text > p { margin-bottom: 24px; }
.ai-benefits { list-style: none; margin-bottom: 28px; }
.ai-benefits li { padding: 10px 0; font-size: 0.92rem; color: var(--color-text-secondary); display: flex; align-items: flex-start; gap: 12px; }
.ai-benefits li svg { width: 20px; height: 20px; color: #8B5CF6; flex-shrink: 0; margin-top: 2px; }
.ai-benefits li strong { color: var(--color-text); }
.ai-mockup { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); padding: 20px; border: 1px solid var(--color-border-light); max-width: 500px; margin: 0 auto; }
.ai-chat { display: flex; flex-direction: column; gap: 12px; }
.ai-msg { padding: 14px 18px; border-radius: 14px; font-size: 0.85rem; line-height: 1.55; max-width: 90%; }
.ai-msg.user { background: var(--color-primary); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.ai-msg.bot { background: var(--color-surface-alt); color: var(--color-text-secondary); align-self: flex-start; border-bottom-left-radius: 4px; }
.ai-msg code { font-family: var(--font-mono); font-size: 0.78rem; background: rgba(0,0,0,0.06); padding: 2px 6px; border-radius: 4px; }
.ai-msg.user code { background: rgba(255,255,255,0.2); }
.ai-label { font-family: var(--font-mono); font-size: 0.68rem; color: var(--color-text-muted); text-align: center; padding: 4px; }

/* Feature card highlight */
.feature-card.highlight { border-color: #8B5CF6; border-width: 2px; position: relative; }
.feature-card.highlight::before { content: '✨ DESTAQUE'; position: absolute; top: -11px; left: 24px; background: #8B5CF6; color: #fff; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; padding: 2px 10px; border-radius: 100px; font-family: var(--font-body); }
.feature-icon.purple { background: #F3EEFF; }

/* Platform badges */
.platform-badge { display: inline-block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; padding: 4px 10px; border-radius: 100px; margin-bottom: 16px; }
.platform-badge.demo { background: var(--color-accent-light); color: #00896A; }
.platform-badge.real { background: var(--color-warning-light); color: #B87A00; }
.platform-badge.soon { background: #F3EEFF; color: #8B5CF6; }

/* Unofficial notice */
.unofficial-notice { background: #FFF0F0; border: 1px solid rgba(229,77,77,0.2); border-radius: var(--radius-md); padding: 16px 20px; display: flex; gap: 12px; align-items: flex-start; margin-top: 20px; }
.unofficial-notice svg { width: 18px; height: 18px; color: var(--color-danger); flex-shrink: 0; margin-top: 2px; }
.unofficial-notice p { font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.5; }

/* Download CTA */
.download-section { background: linear-gradient(135deg, #1B6EF3 0%, #0D4FBA 100%); color: #fff; position: relative; overflow: hidden; }
.download-section::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%); border-radius: 50%; }
.download-inner { max-width: 640px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.download-inner h2 { color: #fff; margin-bottom: 16px; }
.download-inner > p { color: rgba(255,255,255,0.8); margin: 0 auto 12px; }
.download-inner .section-label { background: rgba(255,255,255,0.15); color: #fff; }
.download-price { font-size: 2.8rem; font-weight: 700; color: #fff; font-family: var(--font-body); margin-bottom: 8px; }
.download-price-note { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 28px; }

/* Kit form overrides for dark bg */
.download-section .formkit-form { max-width: 480px !important; margin: 0 auto; }
.download-section .formkit-input { background: rgba(255,255,255,0.12) !important; border-color: rgba(255,255,255,0.25) !important; color: #fff !important; }
.download-section .formkit-input::placeholder { color: rgba(255,255,255,0.5) !important; }
.download-section .formkit-input:focus { border-color: rgba(255,255,255,0.5) !important; background: rgba(255,255,255,0.18) !important; }
.download-section .formkit-submit { background: #fff !important; color: var(--color-primary) !important; font-weight: 700 !important; }
.download-section .formkit-submit span { color: var(--color-primary) !important; }
.download-section .formkit-powered-by-convertkit-container { display: none !important; }
.download-section .formkit-alert-success { background: rgba(255,255,255,0.15) !important; border-color: rgba(255,255,255,0.3) !important; color: #fff !important; }

/* Tutorial: strategy cards */
.strat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; margin: 32px 0; }
.strat-card { background: var(--color-surface); border: 1px solid var(--color-border-light); border-radius: var(--radius-md); padding: 28px; transition: all 0.3s; }
.strat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.strat-card h4 { margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.strat-card .strat-tag { font-family: var(--font-mono); font-size: 0.68rem; background: var(--color-primary-light); color: var(--color-primary); padding: 2px 8px; border-radius: 4px; }
.strat-card p { font-size: 0.88rem; margin-bottom: 12px; }
.strat-params { font-size: 0.82rem; color: var(--color-text-muted); }
.strat-params code { font-family: var(--font-mono); background: var(--color-surface-alt); padding: 1px 6px; border-radius: 4px; font-size: 0.78rem; }
.strat-logic { background: var(--color-surface-alt); border-radius: 8px; padding: 14px 16px; margin-top: 12px; font-size: 0.82rem; color: var(--color-text-secondary); line-height: 1.6; }
.strat-logic strong { color: var(--color-text); }

/* Donate section */
.donate-section { background: linear-gradient(135deg, #1A1D26 0%, #2A2D3A 100%); color: #fff; position: relative; overflow: hidden; }

/* Platform logo images */
.platform-logo-img { width: 72px; height: 72px; border-radius: var(--radius-md); margin: 0 auto 20px; object-fit: contain; background: #fff; padding: 8px; }

/* Responsive extras */
@media (max-width: 1024px) {
  .ai-content { grid-template-columns: 1fr; text-align: center; }
  .ai-mockup { max-width: 420px; }
  .ai-text { order: 2; }
  .ai-benefits { text-align: left; display: inline-block; }
}
@media (max-width: 768px) {
  .strat-grid { grid-template-columns: 1fr; }
}