/* =========================================================
   ProspectaIA — Design System
   ========================================================= */
:root{
  /* Brand — deep indigo/violet with a warm amber accent (replaces the
     stock cyan-on-purple SaaS-template gradient for a more editorial,
     less "generated" duotone) */
  --primary: #5347CE;
  --primary-dark: #3D33A8;
  --secondary: #7C3AED;
  --accent: #F0A93A;
  --accent-dark: #C9821A;
  --accent-text-on-white: #96600E;

  --dark: #15132A;
  --primary-on-dark: #9891EF;
  --text: #23222E;
  --text-muted: #5B5A6C;
  --text-muted-on-dark: #B3B1C9;

  --bg-light: #F7F7FB;
  --white: #ffffff;
  --border: #E8E7F0;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 3px rgba(21,19,42,0.07), 0 1px 2px rgba(21,19,42,0.05);
  --shadow-md: 0 10px 28px rgba(21,19,42,0.08);
  --shadow-lg: 0 20px 48px rgba(21,19,42,0.14);
  --shadow-glow: 0 10px 30px rgba(83,71,206,0.28);

  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

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

html{ scroll-behavior:smooth; }

body{
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

h1,h2,h3{ line-height:1.2; font-family: var(--font-display); }

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

ul{ list-style:none; }

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

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight:600;
  font-size: 0.98em;
  letter-spacing: -0.1px;
  border:none;
  cursor:pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover{
  background: var(--primary-dark);
  box-shadow: 0 14px 34px rgba(83,71,206,0.38);
}

.btn-large{ padding: 18px 44px; font-size: 1.1em; }

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

.btn-cta{
  background: var(--accent);
  color: var(--dark);
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight:700;
}
.btn-cta:hover{
  background: var(--accent-dark);
  box-shadow: 0 8px 22px rgba(240,169,58,0.4);
}

/* ---------- Section titles ---------- */
.section-title{
  font-size: clamp(1.7em, 3.2vw, 2.3em);
  font-weight:600;
  letter-spacing: -0.5px;
  text-align:center;
  color: var(--text);
  margin-bottom: 14px;
}
.section-title.light{ color: var(--white); }

.section-subtitle{
  text-align:center;
  font-size:1.15em;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 50px;
}
.section-subtitle.light{ color: var(--text-muted-on-dark); }

section{ padding: 80px 0; }

/* ---------- Fade in on scroll ---------- */
.fade-in{
  opacity:0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible{
  opacity:1;
  transform: translateY(0);
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  padding: 18px 0;
}
.navbar.scrolled{
  background: rgba(21,19,42,0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
  padding: 12px 0;
}

.navbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  font-size:1.6em;
  font-weight:800;
  color: var(--white);
}
.logo span{ color: var(--accent); }

.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 36px;
  height: 36px;
  flex-shrink:0;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.62em;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(83,71,206,0.45);
}

.nav-menu{
  display:flex;
  gap: 30px;
  flex:1;
  justify-content:center;
}
.nav-menu a{
  color: var(--white);
  font-weight:500;
  font-size: 0.96em;
  letter-spacing: 0.1px;
  position:relative;
  transition: color var(--transition);
}
.nav-menu a:hover{ color: var(--accent); }
.nav-menu a:focus-visible{ outline: 2px solid var(--accent); outline-offset:4px; border-radius: 2px; }

/* ---------- Nav dropdown: Setores ---------- */
.nav-dropdown{ position:relative; }
.nav-dropdown summary{
  cursor:pointer;
  color: var(--white);
  font-weight:500;
  font-size: 0.96em;
  letter-spacing: 0.1px;
  list-style:none;
  display:flex;
  align-items:center;
  gap:4px;
  transition: color var(--transition);
}
.nav-dropdown summary::-webkit-details-marker{ display:none; }
.nav-dropdown summary::after{ content:'▾'; font-size:0.7em; }
.nav-dropdown:hover summary,
.nav-dropdown[open] summary{ color: var(--accent); }

.nav-dropdown-menu{
  position:absolute;
  top: calc(100% + 14px);
  left:0;
  background: var(--dark);
  border-radius: var(--radius-md);
  padding: 10px;
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  display:flex;
  flex-direction:column;
  gap: 2px;
  z-index: 1001;
}
.nav-dropdown-menu a{
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--white);
  font-weight:500;
  white-space:nowrap;
}
.nav-dropdown-menu a:hover{
  background: rgba(255,255,255,0.08);
  color: var(--accent);
}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
}
.hamburger span{
  width:26px; height:3px;
  background: var(--white);
  border-radius: 2px;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--dark) 0%, var(--primary-dark) 46%, var(--secondary) 100%);
  padding: 160px 0 80px;
  color: var(--white);
}
.hero::before, .hero::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter: blur(90px);
  opacity: 0.3;
  z-index:0;
  pointer-events:none;
}
.hero::before{ width:360px; height:360px; background: var(--accent); top:-110px; right:-90px; }
.hero::after{ width:280px; height:280px; background:#fff; bottom:-120px; left:-70px; opacity:0.08; }
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items:center;
}

.hero-text h1{
  font-size: clamp(2.1em, 4.2vw, 3.1em);
  font-weight:600;
  letter-spacing: -0.5px;
  margin-bottom: 22px;
}

.subtitle{
  font-size:1.2em;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
}

.hero-stats{
  display:flex;
  gap: 36px;
  margin-bottom: 40px;
}
.hero-stat{
  display:flex;
  flex-direction:column;
}
.hero-stat strong{
  font-size:1.8em;
  font-weight:800;
  color: var(--accent);
}
.hero-stat span{
  font-size:0.9em;
  color: rgba(255,255,255,0.8);
}

.hero-image img{
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0,0,0,0.28);
}

/* =========================================================
   STATS CARDS
   ========================================================= */
.stats-cards{
  padding: 60px 0;
  margin-top: -60px;
}
.stats-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card{
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align:center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover{
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.stat-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(83,71,206,0.1), rgba(240,169,58,0.12));
  font-size:1.8em;
  margin-bottom:16px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}
.stat-card:hover .stat-icon{
  transform: scale(1.08);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 8px 20px rgba(83,71,206,0.35);
}
.stat-number{
  font-size:2em;
  font-weight:800;
  color: var(--primary);
  font-family: var(--font-display);
}
.stat-card p{ color: var(--text-muted); margin-top:8px; }

a.service-card,
a.why-card{
  display:block;
  color: inherit;
  text-decoration:none;
}
.card-link-hint{
  display:inline-block;
  margin-top:14px;
  font-weight:600;
  color: var(--primary);
}
a.why-card .card-link-hint{ color: var(--accent); }

/* =========================================================
   PLATFORMS
   ========================================================= */
.platforms-grid{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap: 16px;
}
.platform-badge{
  display:flex;
  align-items:center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 12px 22px;
  font-weight:600;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.platform-badge:hover{
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(83,71,206,0.15);
  border-color: var(--primary);
}
.platform-icon{ font-size:1.3em; display:inline-flex; align-items:center; }
.platform-icon svg{ width:22px; height:22px; display:block; }
.platform-wordmark-text{
  font-weight:800;
  font-size:1.05em;
  letter-spacing: -0.3px;
}
.platform-badge-more{
  background: rgba(83,71,206,0.06);
  color: var(--primary);
  border-color: rgba(83,71,206,0.3);
}

/* =========================================================
   WHY SECTION
   ========================================================= */
.why-section{
  position:relative;
  overflow:hidden;
  background: var(--dark);
  color: var(--white);
}
.why-section::before{
  content:"";
  position:absolute;
  width: 400px;
  height: 400px;
  border-radius:50%;
  background: var(--primary);
  filter: blur(100px);
  opacity: 0.18;
  top: -120px;
  right: -100px;
  pointer-events:none;
}
.why-section .container{ position:relative; z-index:1; }
.why-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.why-card{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 40px 28px;
  text-align:center;
  transition: box-shadow var(--transition), background var(--transition), transform var(--transition);
}
.why-card:hover{
  background: rgba(83,71,206,0.16);
  box-shadow: 0 15px 40px rgba(83,71,206,0.3);
  transform: translateY(-5px);
}
.why-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  font-size:2em;
  margin-bottom:16px;
  transition: transform var(--transition), background var(--transition);
}
.why-card:hover .why-icon{
  transform: scale(1.08);
  background: rgba(240,169,58,0.2);
}
.why-card h3{ margin-bottom:12px; font-weight:600; }
.why-card p{ color: var(--text-muted-on-dark); }

/* =========================================================
   SERVICES
   ========================================================= */
.services-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  border-left: 4px solid transparent;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.service-card:hover{
  border-left-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
.service-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(83,71,206,0.1), rgba(124,58,237,0.1));
  font-size:1.9em;
  margin-bottom:16px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}
.service-card:hover .service-icon{
  transform: scale(1.08);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 8px 20px rgba(83,71,206,0.35);
}
.service-card h3{ margin-bottom:10px; font-size:1.28em; font-weight:600; }
.service-card p{ color: var(--text-muted); margin-bottom:16px; }

.link-more{
  color: var(--primary);
  font-weight:600;
  transition: color var(--transition);
}
.link-more:hover{ color: var(--secondary); }

/* =========================================================
   PRICING
   ========================================================= */
.pricing-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items:start;
}
.pricing-card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align:center;
  box-shadow: var(--shadow-md);
  position:relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover{
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured{
  border: 2px solid var(--primary);
  box-shadow: 0 20px 50px rgba(83,71,206,0.22);
  transform: scale(1.05);
}
.pricing-card.featured:hover{ transform: scale(1.05) translateY(-5px); }

.badge{
  position:absolute;
  top:-14px; left:50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--dark);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size:0.8em;
  font-weight:700;
}

.plan-tag{ color: var(--text-muted); margin-bottom:16px; }

.price{
  font-size:2.4em;
  font-weight:700;
  color: var(--primary);
  margin-bottom:24px;
  font-family: var(--font-display);
}
.price span{ font-size:0.42em; color: var(--text-muted); font-weight:500; font-family: var(--font-body); }

.pricing-card ul{ margin-bottom:28px; text-align:left; }
.pricing-card li{
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.pricing-card li::before{
  content: "✓ ";
  color: var(--primary);
  font-weight:700;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list{ max-width: 800px; margin: 0 auto; }
.faq-category{
  font-size: 1.05em;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 44px 0 4px;
}
.faq-category:first-child{ margin-top: 0; }
.faq-item{
  border-bottom: 1px solid var(--border);
}
.faq-question{
  width:100%;
  background:none;
  border:none;
  text-align:left;
  padding: 22px 4px;
  font-family: var(--font-body);
  font-size:1.08em;
  font-weight:600;
  color: var(--text);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
  transition: color var(--transition);
}
.faq-question:hover, .faq-item.open .faq-question{ color: var(--primary); }
.faq-icon{ font-size:1.4em; color: var(--primary); flex-shrink:0; transition: transform var(--transition); }
.faq-item.open .faq-icon{ transform: rotate(45deg); }

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition: max-height 0.35s ease;
}
.faq-answer p{
  padding: 0 4px 20px;
  color: var(--text-muted);
}

/* =========================================================
   BLOG
   ========================================================= */
.blog-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog-card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow:hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover{
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.blog-card img{ height:180px; width:100%; object-fit:cover; }
.blog-content{ padding: 24px; }
.blog-date{ color: var(--accent-text-on-white); font-size:0.85em; font-weight:700; letter-spacing:0.2px; }
.blog-content h3{ margin: 10px 0; font-size:1.18em; font-weight:600; }
.blog-content p{ color: var(--text-muted); margin-bottom:14px; }

.section-link-center{
  text-align:center;
  margin-top: -30px;
  margin-bottom: 40px;
}

/* =========================================================
   FINAL STATS
   ========================================================= */
.final-stats{
  position:relative;
  overflow:hidden;
  background: var(--dark);
  color: var(--white);
}
.final-stats::before{
  content:"";
  position:absolute;
  width: 360px;
  height: 360px;
  border-radius:50%;
  background: var(--accent);
  filter: blur(110px);
  opacity: 0.15;
  bottom: -140px;
  left: -80px;
  pointer-events:none;
}
.final-stats-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align:center;
}
.final-number{
  font-size:2.6em;
  font-weight:800;
  color: var(--accent);
  font-family: var(--font-display);
}
.final-stat p{ color: var(--text-muted-on-dark); margin-top:8px; }

/* =========================================================
   CTA FINAL
   ========================================================= */
.cta-final{
  position:relative;
  overflow:hidden;
  background: linear-gradient(160deg, var(--dark) 0%, var(--primary-dark) 46%, var(--secondary) 100%);
  text-align:center;
  color: var(--white);
}
.cta-final::before{
  content:"";
  position:absolute;
  width: 300px;
  height: 300px;
  border-radius:50%;
  background: var(--accent);
  filter: blur(90px);
  opacity: 0.3;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events:none;
}
.cta-final .container{ position:relative; z-index:1; }
.cta-final h2{
  font-size: clamp(1.6em, 3vw, 2.2em);
  font-weight:600;
  margin-bottom: 28px;
}
.cta-note{
  margin-top: 18px;
  color: rgba(255,255,255,0.85);
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  background: var(--dark);
  color: var(--white);
  padding-top: 60px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-col{ padding-left: 24px; border-left: 1px solid rgba(255,255,255,0.1); }
.footer-col:first-child{ padding-left: 0; border-left: none; }
.footer-logo{ margin-bottom: 16px; display:inline-block; }
.footer-col p{ color: var(--text-muted-on-dark); }
.footer-col h4{ margin-bottom: 16px; font-weight:600; }
.footer-col li{ margin-bottom:10px; }
.footer-col a{ color: var(--primary-on-dark); transition: color var(--transition); }
.footer-col a:hover{ color: var(--accent); }
.footer-col li{ color: var(--text-muted-on-dark); }

.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align:center;
  padding: 20px 0;
  color: #8B899E;
  font-size:0.9em;
}
.footer-bottom p{ margin: 4px 0; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px){
  .why-grid{ grid-template-columns: repeat(2, 1fr); }
  .pricing-grid{ grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured{ transform: none; grid-column: span 2; }
  .blog-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px){
  .hero-inner{ grid-template-columns: 1fr; }
  .stats-grid{ grid-template-columns: repeat(2, 1fr); }
  .why-grid{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: 1fr; }
  .pricing-grid{ grid-template-columns: 1fr; }
  .pricing-card.featured{ transform: none; grid-column: auto; }
  .blog-grid{ grid-template-columns: 1fr; }
  .final-stats-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px){
  .nav-menu{
    position:fixed;
    top:0; right:-100%;
    width: 70%;
    height:100vh;
    overflow-y:auto;
    background: var(--dark);
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
    padding: 100px 32px;
    gap: 24px;
    transition: right var(--transition);
  }
  .nav-menu.open{ right:0; }
  .hamburger{ display:flex; }
  .btn-cta{ display:none; }

  .nav-dropdown{ width:100%; }
  .nav-dropdown-menu{
    position:static;
    box-shadow:none;
    background: rgba(255,255,255,0.05);
    margin-top: 10px;
    width:100%;
  }

  .hero{ padding: 130px 0 60px; }
  .hero-text h1{ font-size: 2em; }
  .hero-stats{ flex-wrap:wrap; gap:20px; }

  section{ padding: 56px 0; }
  .section-title{ font-size: 1.7em; }

  .stats-grid{ grid-template-columns: 1fr; }
  .final-stats-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-col{ padding-left: 0; border-left: none; padding-top:20px; border-top: 1px solid rgba(255,255,255,0.1); }
  .footer-col:first-child{ padding-top:0; border-top:none; }
}

/* =========================================================
   ARTICLE / LONG-FORM CONTENT
   ========================================================= */
.article{ max-width: 780px; margin: 0 auto; }
.article img{ border-radius: var(--radius-md); margin-bottom: 32px; }
.article h2{ margin: 32px 0 14px; font-size: 1.6em; font-weight:600; }
.article h3{ margin: 24px 0 10px; font-size: 1.2em; font-weight:600; color: var(--primary); }
.article p{ margin-bottom: 18px; color: var(--text); }
.article ol, .article ul{ margin: 0 0 18px 24px; color: var(--text); }
.article li{ margin-bottom: 8px; }
.article-meta{ color: var(--accent); font-weight:600; margin-bottom: 12px; display:block; }
.article-updated{ color: var(--text-muted); font-size:0.9em; margin-bottom:32px; display:block; }

.article-callout{
  background: rgba(83,71,206,0.06);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 24px 0;
}
.article-callout p{ margin-bottom:0; color: var(--text); }
.article-example{
  font-style: italic;
  color: var(--text-muted);
  border-left: 3px solid var(--border);
  padding-left: 16px;
  margin: 14px 0 22px;
}

/* =========================================================
   WHATSAPP FLOATING BUTTON
   ========================================================= */
.whatsapp-float{
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  z-index: 1200;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover{
  transform: scale(1.08);
  box-shadow: 0 10px 28px rgba(0,0,0,0.3);
}
.whatsapp-icon{ width: 30px; height: 30px; }

@media (max-width: 480px){
  .whatsapp-float{
    width: 52px;
    height: 52px;
    right: 16px;
    bottom: 16px;
  }
  .whatsapp-icon{ width: 26px; height: 26px; }
}

/* =========================================================
   ENTRANCE & AMBIENT MOTION
   ========================================================= */
@keyframes heroFadeUp{
  from{ opacity:0; transform: translateY(24px); }
  to{ opacity:1; transform: translateY(0); }
}
@keyframes floatY{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-8px); }
}

/* Hero: staggered entrance on page load, independent of scroll */
.hero-text > *{
  opacity: 0;
  animation: heroFadeUp 0.8s ease forwards;
}
.hero-text > *:nth-child(1){ animation-delay: 0.05s; }
.hero-text > *:nth-child(2){ animation-delay: 0.2s; }
.hero-text > *:nth-child(3){ animation-delay: 0.35s; }
.hero-text > *:nth-child(4){ animation-delay: 0.5s; }
.hero-image{
  opacity: 0;
  animation: heroFadeUp 0.9s ease 0.25s forwards;
}
.hero-image img{
  animation: floatY 7s ease-in-out 1.2s infinite;
}

/* Staggered cascade reveal for card grids as they scroll into view */
[class$="-grid"] > .fade-in:nth-child(1){ transition-delay: 0s; }
[class$="-grid"] > .fade-in:nth-child(2){ transition-delay: 0.08s; }
[class$="-grid"] > .fade-in:nth-child(3){ transition-delay: 0.16s; }
[class$="-grid"] > .fade-in:nth-child(4){ transition-delay: 0.24s; }
[class$="-grid"] > .fade-in:nth-child(5){ transition-delay: 0.32s; }
[class$="-grid"] > .fade-in:nth-child(6){ transition-delay: 0.4s; }
[class$="-grid"] > .fade-in:nth-child(7){ transition-delay: 0.48s; }
[class$="-grid"] > .fade-in:nth-child(8){ transition-delay: 0.56s; }

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce){
  .hero-text > *, .hero-image, .hero-image img{
    animation: none !important;
  }
  .fade-in{ transition-delay: 0s !important; }
}