/* ================================
   VARIABLES & RESET
================================ */
:root {
  --primary: #00ff88;
  --secondary: #1a1a1a;
  --accent: #2d2d2d;
  --bg: #0f0f0f;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --gradient: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
  --shadow: 0 20px 40px rgba(0,0,0,0.3);
  --shadow-light: 0 8px 32px rgba(0,0,0,0.12);
  --border-radius: 15px;
  --transition: all 0.3s ease;
  --backdrop-blur: blur(20px);
  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 50%, #1a1a1a 100%);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

/* ================================
   HEADER (SAME SYSTEM)
================================ */
.main-header {
  position: fixed;
  inset: 0 0 auto 0;
  background: rgba(26, 26, 26, 0.1);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  z-index: 1000;
  padding: clamp(0.75rem, 2vw, 1rem) 0;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
  transform: translateY(0);
}
.main-header.scrolled {
  background: rgba(26,26,26,0.95);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-light);
}
.main-header.hidden { transform: translateY(-100%); }

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo { display: flex; align-items: center; text-decoration: none; }
.logo img {
  height: 40px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(0,255,136,0.28));
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.5rem);
}
.nav-item { position: relative; }
.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: clamp(0.9rem, 2vw, 1rem);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--primary); }
.nav-link::after{
  content:"";
  position:absolute;
  left:0; bottom:-2px;
  width:0; height:2px;
  background: var(--gradient);
  transition: width .3s ease;
  border-radius: 1px;
}
.nav-link:hover::after { width:100%; }
.nav-link[aria-current="page"]{ color: var(--primary); }
.nav-link[aria-current="page"]::after{ width:100%; }

.dropdown-arrow { transition: transform .3s ease; }
.dropdown:hover .dropdown-arrow { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(15,15,15,0.95);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  padding: 0.75rem 0;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: all .3s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display:block;
  color: var(--text-secondary);
  text-decoration:none;
  padding: 0.75rem 1.5rem;
  font-size: .92rem;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.dropdown-menu a:hover{
  color: var(--primary);
  background: rgba(0,255,136,0.05);
  border-left-color: var(--primary);
}

.header-cta { display:flex; align-items:center; }
.cta-button {
  background: var(--gradient);
  color: #1a1a1a;
  text-decoration: none;
  padding: 0.75rem 1.4rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  display: inline-flex;
  align-items:center;
  gap: .5rem;
  box-shadow: 0 4px 15px rgba(0,255,136,0.2);
  transition: all .3s ease;
}
.cta-button:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,255,136,0.3); }
.cta-button svg { transition: transform .3s ease; }
.cta-button:hover svg { transform: translateX(3px); }

.hamburger {
  display:none;
  flex-direction:column;
  background:none;
  border:none;
  cursor:pointer;
  padding:.5rem;
  gap:.25rem;
  z-index:1002;
}
.hamburger-line{
  width:24px; height:2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all .3s cubic-bezier(0.4,0,0.2,1);
}
.hamburger.active .hamburger-line:nth-child(1){ transform: rotate(45deg) translate(5px,5px); }
.hamburger.active .hamburger-line:nth-child(2){ opacity:0; transform: translateX(20px); }
.hamburger.active .hamburger-line:nth-child(3){ transform: rotate(-45deg) translate(7px,-6px); }

.nav-overlay{
  position:fixed;
  top:0; left:0;
  width:100%;
  height:100vh;
  background: rgba(15,15,15,0.98);
  backdrop-filter: var(--backdrop-blur);
  transform: translateX(-100%);
  transition: transform .4s cubic-bezier(0.4,0,0.2,1);
  z-index:999;
  overflow-y:auto;
}
.nav-overlay.active{ transform: translateX(0); }
.mobile-nav{
  padding: clamp(5rem, 15vw, 8rem) clamp(1.5rem, 5vw, 2rem) 2rem;
  max-width: 520px;
  margin:0 auto;
}
.mobile-nav-item{ border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-nav-link{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 1.25rem 0;
  background:none;
  border:none;
  color: var(--text-primary);
  text-decoration:none;
  font-size: 1.1rem;
  font-weight: 600;
  cursor:pointer;
  transition: var(--transition);
}
.mobile-nav-link:hover{ color: var(--primary); transform: translateX(8px); }
.accordion-arrow{ transition: transform .3s ease; }
.accordion-trigger[aria-expanded="true"] .accordion-arrow{ transform: rotate(180deg); }

.accordion-content{
  max-height: 0;
  overflow:hidden;
  transition: max-height .3s ease, padding .3s ease;
  background: rgba(0,0,0,0.2);
  margin: 0 -1rem;
  padding: 0 1rem;
}
.accordion-content.active{
  max-height: 320px;
  padding: .5rem 1rem 1rem;
}
.accordion-content a{
  display:block;
  color: var(--text-secondary);
  text-decoration:none;
  padding: .75rem 0 .75rem 1rem;
  border-left: 2px solid transparent;
  transition: var(--transition);
}
.accordion-content a:hover{
  color: var(--primary);
  border-left-color: var(--primary);
  transform: translateX(8px);
}
.mobile-cta{ margin-top:2rem; text-align:center; }

/* ================================
   BLOG PAGE LAYOUT
================================ */
.blog-page { padding-top: 90px; }

.post-hero{
  padding: clamp(3.5rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  background:
    radial-gradient(ellipse at top left, rgba(0,255,136,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(45,45,45,0.45) 0%, transparent 55%),
    linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(15,15,15,0.98) 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  gap: .5rem;
  align-items:center;
  color: rgba(255,255,255,0.75);
  font-size: .95rem;
  margin-bottom: 1.25rem;
}
.breadcrumbs a{
  color: rgba(255,255,255,0.85);
  text-decoration:none;
  transition: var(--transition);
}
.breadcrumbs a:hover{ color: var(--primary); }
.crumb-sep{ opacity:.6; }
.crumb-current{ color: var(--primary); }

.post-hero-grid{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items:start;
}
.post-badges{ display:flex; gap:.6rem; flex-wrap:wrap; margin-bottom: 1rem; }
.badge{
  font-size: .85rem;
  font-weight: 600;
  padding: .5rem .85rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
}
.post-title{
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: .9rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}
.post-subtitle{
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  gap: .6rem;
  align-items:center;
  color: rgba(255,255,255,0.75);
  font-size: .95rem;
}
.post-meta .dot{ opacity:.6; }

.post-hero-media{
  background: rgba(45,45,45,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  overflow:hidden;
  box-shadow: var(--shadow);
}
.post-hero-media img{
  width:100%;
  height: 100%;
  max-height: 360px;
  object-fit: cover;
}
.post-hero-media figcaption{
  padding: .9rem 1rem;
  font-size: .9rem;
  color: rgba(255,255,255,0.72);
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.18);
}

.post-body{
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 6rem);
  background: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(15,15,15,0.95) 100%);
}

.post-grid{
  display:grid;
  grid-template-columns: 1fr 360px;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items:start;
}

.post-content{
  background: rgba(45,45,45,0.45);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  backdrop-filter: blur(20px);
}

.post-content p{
  color: rgba(255,255,255,0.85);
  margin: .9rem 0;
  line-height: 1.85;
  font-size: 1.02rem;
}

.post-content h2{
  margin-top: 2rem;
  margin-bottom: .75rem;
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  color: var(--text-primary);
}
.post-content h3{
  margin-top: 1.2rem;
  margin-bottom: .5rem;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.post-list{
  margin: .75rem 0 1rem 1.2rem;
  color: rgba(255,255,255,0.85);
}
.post-list li{ margin: .5rem 0; }

.callout{
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.25);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  color: rgba(255,255,255,0.9);
}

.toc{
  margin-top: 1.2rem;
  padding: 1.1rem;
  border-radius: 14px;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.08);
}
.toc h2{
  margin: 0 0 .7rem;
  font-size: 1.2rem;
}
.toc ul{
  list-style: none;
  display: grid;
  gap: .45rem;
}
.toc a{
  text-decoration: none;
  color: rgba(255,255,255,0.82);
  transition: var(--transition);
}
.toc a:hover{ color: var(--primary); }

.two-col{
  margin-top: 1rem;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.mini-card{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 1rem;
}
.mini-card p{ margin: .5rem 0 0; color: rgba(255,255,255,0.82); }

.post-steps{
  margin: 1rem 0 0 1.2rem;
  color: rgba(255,255,255,0.88);
}
.post-steps li{ margin: .7rem 0; line-height: 1.7; }

.kpi-grid{
  margin-top: 1rem;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.kpi{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 1rem;
}
.kpi p{ margin: .4rem 0 0; color: rgba(255,255,255,0.82); }

.post-cta{
  margin-top: 2rem;
  padding: 1.25rem;
  border-radius: 16px;
  border: 1px solid rgba(0,255,136,0.25);
  background: rgba(0,255,136,0.06);
}
.post-cta p{ margin: .5rem 0 1rem; }

.post-cta-buttons{
  display:flex;
  gap: .8rem;
  flex-wrap: wrap;
  align-items:center;
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: .75rem 1.1rem;
  border-radius: 999px;
  border: 2px solid rgba(0,255,136,0.7);
  color: var(--text-primary);
  text-decoration:none;
  font-weight: 700;
  transition: var(--transition);
}
.btn-outline:hover{
  background: var(--primary);
  color: #1a1a1a;
}
.btn-outline.full{ width:100%; }

/* ================================
   SIDEBAR
================================ */
.post-sidebar{
  position: sticky;
  top: 110px;
  display:flex;
  flex-direction: column;
  gap: 1rem;
}
.sidebar-card{
  background: rgba(45,45,45,0.45);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  padding: 1.2rem;
  backdrop-filter: blur(18px);
}
.sidebar-card h3{
  font-size: 1.15rem;
  margin-bottom: .7rem;
}
.sidebar-list{ margin-left: 1.1rem; color: rgba(255,255,255,0.86); }
.sidebar-list li{ margin: .5rem 0; }
.muted{ color: rgba(255,255,255,0.72); margin: .5rem 0 1rem; }

.related-links{
  display:flex;
  flex-direction: column;
  gap: .6rem;
}
.related-links a{
  text-decoration:none;
  color: rgba(255,255,255,0.82);
  padding: .65rem .8rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.related-links a:hover{
  color: var(--primary);
  border-color: rgba(0,255,136,0.35);
  background: rgba(0,255,136,0.05);
}

/* ================================
   FLOATING BUTTONS + WHATSAPP
================================ */
.scroll-top{
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  color: #1a1a1a;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 15px 40px rgba(0,255,136,0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0,100px,0) scale(0.6);
  transition: all .35s cubic-bezier(0.4,0,0.2,1);
}
.scroll-top.visible{
  opacity:1;
  visibility: visible;
  transform: translate3d(0,0,0) scale(1);
}
.scroll-top:hover{ transform: translate3d(0,-10px,0) scale(1.08); }

#whatsapp-launcher{
  position: fixed;
  bottom: 110px;
  right: 20px;
  z-index: 10000;
}
#togglePanel{
  background: var(--primary);
  border:none;
  border-radius: 50%;
  width: 70px;
  height: 70px;
  cursor:pointer;
  box-shadow: 0 20px 40px rgba(33,162,80,0.4);
  display:flex;
  align-items:center;
  justify-content:center;
  transition: all .3s ease;
  position: relative;
  overflow:hidden;
}
#togglePanel:hover{
  transform: scale(1.12) rotate(5deg);
  box-shadow: 0 25px 50px rgba(37,211,102,0.6);
}
#togglePanel.attention-glow{ animation: float-whatsapp 3s ease-in-out infinite; }
.notification-badge{
  position:absolute;
  top: -8px;
  right: -8px;
  background: #ff4757;
  color:white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 12px;
  font-weight: 800;
}

#glass-widget{
  position: fixed;
  bottom: 190px;
  right: 20px;
  z-index: 9999;
  width: 320px;
  max-width: calc(100vw - 40px);
  padding: 24px;
  border-radius: 20px;
  background: rgba(20,20,20,0.95);
  border: 1px solid rgba(0,255,136,0.2);
  box-shadow: 0 25px 60px rgba(0,0,0,0.6);
  backdrop-filter: blur(25px);
  color: #fff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(0,30px,0) scale(0.92);
  transition: all .3s cubic-bezier(0.4,0,0.2,1);
}
#glass-widget.show{
  opacity:1;
  visibility: visible;
  pointer-events:auto;
  transform: translate3d(0,0,0) scale(1);
}
#glass-widget h4{
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 800;
  text-align:center;
  color: var(--primary);
}
#whatsappService{
  width:100%;
  padding: 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color:#fff;
  background: rgba(45,45,45,0.95);
  border: 1px solid rgba(255,255,255,0.12);
  outline:none;
  cursor:pointer;
  font-family: var(--font-body);
}
#dynamicWhatsapp{
  display:block;
  margin-top: 16px;
  text-align:center;
  width:100%;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--gradient);
  color: #1a1a1a;
  text-decoration:none;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(0,255,136,0.3);
  transition: all .3s ease;
}
#dynamicWhatsapp:hover{
  transform: translate3d(0,-4px,0) scale(1.02);
  box-shadow: 0 18px 40px rgba(0,255,136,0.5);
}
.widget-note{
  margin: 14px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  text-align:center;
}

/* ================================
   FOOTER (SAME SYSTEM)
================================ */
footer{
  background: linear-gradient(135deg, var(--secondary) 0%, rgba(15,15,15,0.95) 100%);
  padding: 3rem 0 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  align-items:start;
}
.footer-brand p{
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}
.footer-contact h3{
  color: var(--text-primary);
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
}
.footer-contact a, .footer-contact p{
  color: var(--text-secondary);
  text-decoration:none;
  display:block;
  line-height: 1.8;
  transition: var(--transition);
}
.footer-contact a:hover{ color: var(--primary); transform: translateX(4px); }
.social-links{ display:flex; gap: 1rem; flex-wrap:wrap; }
.social-link{
  width: 3rem; height: 3rem;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition: all .3s ease;
}
.social-link:hover{
  background: var(--primary);
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 10px 25px rgba(0,255,136,0.3);
}
.footer-bottom{
  text-align:center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
  font-size: .9rem;
}

/* ================================
   ANIMATIONS
================================ */
@keyframes float-whatsapp {
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-8px); }
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 1023px){
  .post-hero-grid{ grid-template-columns: 1fr; }
  .post-grid{ grid-template-columns: 1fr; }
  .post-sidebar{ position: static; top: auto; }
  .two-col{ grid-template-columns: 1fr; }
  .kpi-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 768px){
  .desktop-nav, .header-cta{ display:none; }
  .hamburger{ display:flex; }

  .logo img{ height: 34px; max-width: 150px; }

  .scroll-top{ width: 55px; height: 55px; bottom: 1.5rem; right: 1.5rem; }
  #whatsapp-launcher{ bottom: 90px; right: 16px; }
  #togglePanel{ width: 65px; height: 65px; }
  #glass-widget{ width: 300px; right: 16px; bottom: 170px; padding: 20px; }

  .footer-container{
    grid-template-columns: 1fr;
    text-align:center;
    gap: 2rem;
  }
  .social-links{ justify-content:center; }
}

@media (min-width: 769px){
  .hamburger, .nav-overlay{ display:none !important; }
}