/* ==========================================================================
   IAAPPS.COM.BR — Meta Store Design System
   Inspired by getdesign.md/meta
   ========================================================================== */

:root {
  /* Surface Colors */
  --bg-dark: #0A0C10;
  --bg-dark-card: #12161F;
  --bg-light: #FFFFFF;
  --bg-light-alt: #F8FAFC;
  
  /* Text Colors */
  --text-dark: #FFFFFF;
  --text-dark-muted: #94A3B8;
  --text-light: #0F172A;
  --text-light-muted: #475569;

  /* Meta Brand & Accents */
  --meta-blue: #0064E0;
  --meta-blue-hover: #1877F2;
  --meta-blue-glow: rgba(0, 100, 224, 0.35);
  --amber-accent: #F5A623;

  /* Borders */
  --border-dark: rgba(255, 255, 255, 0.12);
  --border-light: #E2E8F0;

  /* Fonts */
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Pill Radius */
  --radius-pill: 9999px;
  --radius-card: 12px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-light);
  color: var(--text-light);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Top Announcement Bar */
.announcement-bar {
  background: #000000;
  color: #FFFFFF;
  border-bottom: 1px solid var(--border-dark);
  font-size: 0.85rem;
  padding: 0.5rem 0;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.badge-new {
  background: var(--amber-accent);
  color: #000000;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}

/* Buttons & Meta Blue Pills */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-pill {
  border-radius: var(--radius-pill);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-meta-blue {
  background: var(--meta-blue);
  color: #FFFFFF;
  box-shadow: 0 4px 15px var(--meta-blue-glow);
}

.btn-meta-blue:hover {
  background: var(--meta-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(24, 119, 242, 0.4);
}

.btn-dark-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid var(--border-dark);
}

.btn-dark-outline:hover {
  border-color: var(--meta-blue);
  color: var(--meta-blue-hover);
  background: rgba(255, 255, 255, 0.05);
}

/* Header & Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  padding: 0.85rem 0;
}

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

.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.brand-prefix { color: var(--text-dark-muted); }
.brand-main { color: #FFFFFF; }
.brand-ext { color: var(--amber-accent); }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: #FFFFFF;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
}

/* Surfaces */
.dark-surface {
  background: var(--bg-dark);
  color: var(--text-dark);
}

.light-surface {
  background: var(--bg-light);
  color: var(--text-light);
}

/* Hero Section */
.hero-section {
  padding: 8rem 0 6rem;
  text-align: center;
  border-bottom: 1px solid var(--border-dark);
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 850px;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber-accent);
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.gradient-blue {
  background: linear-gradient(135deg, #0064E0 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-dark-muted);
  margin-bottom: 2rem;
}

.hero-pills {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.tech-pill code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-dark);
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  color: #38BDF8;
  font-size: 0.85rem;
}

.pill-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dark);
  padding: 0.4rem 0.85rem;
  border-radius: 99px;
  font-size: 0.85rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Sections Shared */
.section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-light);
}

.dark-surface.section {
  border-bottom-color: var(--border-dark);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-mono-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--meta-blue);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-mono-tag.amber {
  color: var(--amber-accent);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 0.5rem 0;
}

.section-description {
  color: var(--text-light-muted);
  font-size: 1.1rem;
}

.text-white { color: #FFFFFF !important; }
.text-muted { color: var(--text-dark-muted) !important; }

/* Grid & Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.meta-card {
  background: var(--bg-light-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

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

.card-header-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--meta-blue);
  margin-bottom: 1rem;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.meta-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.meta-card p {
  color: var(--text-light-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.meta-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
}

/* Steps Grid */
.steps-grid .step-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-card);
  padding: 2.5rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--amber-accent);
  margin-bottom: 1rem;
}

.step-card h4 {
  font-size: 1.25rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--text-dark-muted);
  font-size: 0.95rem;
}

/* CTA Card */
.cta-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 4rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.badge-amber {
  display: inline-block;
  background: rgba(245, 166, 35, 0.15);
  color: var(--amber-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.cta-card h2 {
  font-size: 2.25rem;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.cta-card p {
  color: var(--text-dark-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* WhatsApp Floating Pill */
.whatsapp-float-pill {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
  background: var(--meta-blue);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 25px var(--meta-blue-glow);
  transition: transform var(--transition-fast);
}

.whatsapp-float-pill:hover {
  background: var(--meta-blue-hover);
  transform: scale(1.05);
}

/* Footer */
.footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-dark-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-title { font-size: 2.25rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}