/* =============================================
   GRUPO BETA - Hoja de Estilos Principal
   Colores corporativos: #2fa6da | #1e4061
   ============================================= */

/* --- Variables globales --- */
:root {
  --primary: #2fa6da;
  --primary-dark: #1a8fc0;
  --secondary: #1e4061;
  --secondary-dark: #152d47;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --font-main: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(30,64,97,.10);
  --shadow-lg: 0 8px 32px rgba(30,64,97,.14);
  --shadow-xl: 0 20px 60px rgba(30,64,97,.18);
  --transition: .22s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: var(--font-main);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Typography --- */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; color: var(--secondary); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.2; color: var(--secondary); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; line-height: 1.3; color: var(--secondary); }
h4 { font-size: 1.1rem; font-weight: 600; color: var(--secondary); }
p { color: var(--gray-600); font-size: 1.05rem; }

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-primary { color: var(--primary); }

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

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header p {
  max-width: 640px;
  margin: 16px auto 0;
  font-size: 1.15rem;
}

.badge {
  display: inline-block;
  background: rgba(47,166,218,.12);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.badge-white {
  background: rgba(255,255,255,.18);
  color: var(--white);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(47,166,218,.35);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}
.btn-secondary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,64,97,.35);
}

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

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.7);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--secondary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: .9rem;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo img {
  height: 64px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 14px;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-size: .95rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(47,166,218,.08);
}

.nav-cta {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--secondary) 0%, #2a5a8a 50%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .15;
}

.hero-blob-1 {
  width: 600px; height: 600px;
  background: var(--primary);
  top: -200px; right: -100px;
}

.hero-blob-2 {
  width: 400px; height: 400px;
  background: #2fa6da;
  bottom: -100px; left: 10%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-title {
  color: var(--white);
  margin-bottom: 24px;
}

.hero-title span {
  color: var(--primary);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,.85);
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

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

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: .85rem;
  color: rgba(255,255,255,.7);
  margin-top: 4px;
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(47,166,218,.12), rgba(30,64,97,.08));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
}

/* --- Course Cards --- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.course-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.course-img {
  height: 200px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}

.course-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.3));
}

.course-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.course-tag {
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(47,166,218,.1);
  color: var(--primary-dark);
}

.course-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.course-desc {
  font-size: .95rem;
  color: var(--gray-500);
  flex: 1;
  margin-bottom: 24px;
}

.course-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--gray-100);
  padding-top: 20px;
  margin-top: auto;
}

.course-price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--secondary);
}

.course-price-note {
  font-size: .8rem;
  color: var(--gray-500);
  font-weight: 400;
  display: block;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 30px;
  font-size: 80px;
  color: var(--primary);
  opacity: .15;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  color: var(--secondary);
  font-weight: 700;
}

.author-info span {
  font-size: .85rem;
  color: var(--gray-500);
}

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

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 28px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: all var(--transition);
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--primary);
  transition: all var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 28px 24px;
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
  font-size: .95rem;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--gray-700);
  background: var(--white);
  transition: all var(--transition);
  font-family: var(--font-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(47,166,218,.1);
}

.form-control::placeholder {
  color: var(--gray-300);
}

select.form-control {
  cursor: pointer;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #2a5a8a 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.cta-section h2 { color: var(--white); }
.cta-section p { color: rgba(255,255,255,.8); }

.cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 36px;
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: 32px 0;
}

.trust-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-600);
  font-weight: 500;
  font-size: .95rem;
}

.trust-item span:first-child {
  font-size: 1.5rem;
}

/* --- Footer --- */
.footer {
  background: var(--secondary-dark);
  color: rgba(255,255,255,.75);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: rgba(255,255,255,.6);
  margin-top: 20px;
  font-size: .95rem;
  line-height: 1.7;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .85rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,.6);
  font-size: .95rem;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: rgba(255,255,255,.45);
  font-size: .85rem;
}

.footer-logo img {
  height: 36px;
  opacity: .8;
  filter: brightness(0) invert(1);
}

/* --- Page Hero (páginas internas) --- */
.page-hero {
  background: linear-gradient(135deg, var(--secondary) 0%, #2a5a8a 100%);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.page-hero h1 {
  color: var(--white);
  position: relative;
}

.page-hero p {
  color: rgba(255,255,255,.8);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 16px auto 0;
  position: relative;
}

/* --- Webinar page --- */
.webinar-form-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
}

.webinar-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.webinar-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--gray-600);
}

.webinar-benefits li .check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(47,166,218,.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .8rem;
  font-weight: 700;
}

/* --- Course detail --- */
.course-detail-hero {
  background: linear-gradient(135deg, var(--secondary) 0%, #2a5a8a 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.course-detail-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.cd-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.cd-content { position: relative; }

.cd-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.cd-title {
  color: var(--white);
  margin-bottom: 20px;
}

.cd-subtitle {
  color: rgba(255,255,255,.85);
  font-size: 1.15rem;
  margin-bottom: 32px;
  max-width: 560px;
}

.cd-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.cd-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.8);
  font-size: .95rem;
}

.purchase-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  position: sticky;
  top: 100px;
}

.price-block {
  text-align: center;
  margin-bottom: 28px;
}

.price-main {
  font-size: 3rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
}

.price-note {
  font-size: .9rem;
  color: var(--gray-500);
  margin-top: 4px;
}

.price-old {
  font-size: 1.1rem;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.guarantee-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(47,166,218,.06);
  border: 1px solid rgba(47,166,218,.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 20px;
}

.guarantee-icon {
  font-size: 1.8rem;
}

.guarantee-text strong {
  display: block;
  color: var(--secondary);
  font-size: .95rem;
}

.guarantee-text span {
  font-size: .85rem;
  color: var(--gray-500);
}

.module-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.module-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.module-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--gray-50);
}

.module-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}

.module-title {
  font-weight: 700;
  color: var(--secondary);
  font-size: 1rem;
}

.module-lessons {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.module-lesson {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  font-size: .95rem;
}

.module-lesson::before {
  content: '▶';
  font-size: .65rem;
  color: var(--primary);
}

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.blog-img {
  height: 200px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-body {
  padding: 28px;
}

.blog-category {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--primary);
  margin-bottom: 12px;
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-excerpt {
  font-size: .9rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 20px;
}

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--gray-400);
}

.read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.read-more:hover { gap: 10px; }

/* --- Utility --- */
.bg-dark { background: var(--secondary); }
.bg-light { background: var(--gray-50); }
.bg-gradient { background: linear-gradient(135deg, var(--secondary) 0%, #2a5a8a 100%); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.divider {
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin: 16px auto 0;
}

.highlight-box {
  background: linear-gradient(135deg, rgba(47,166,218,.06), rgba(30,64,97,.04));
  border: 1px solid rgba(47,166,218,.15);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--gray-600);
  font-size: .95rem;
}

.checklist li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Login/Area --- */
.login-card {
  max-width: 440px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a { color: rgba(255,255,255,.7); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: rgba(255,255,255,.35); }

/* --- Alert / Banner --- */
.alert-banner {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 12px 24px;
  font-size: .9rem;
  font-weight: 500;
}

.alert-banner a {
  color: var(--white);
  text-decoration: underline;
  margin-left: 8px;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .cd-layout {
    grid-template-columns: 1fr;
  }
  .purchase-card {
    position: static;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    transition: transform var(--transition);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-link { width: 100%; padding: 12px 16px; }
  .nav-cta { width: 100%; text-align: center; }
  .nav-toggle { display: flex; }

  .hero-ctas { flex-direction: column; }
  .hero-stats { gap: 24px; }

  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-content { text-align: center; }
  .hero-stats { justify-content: center; }

  .webinar-form-box { padding: 28px 24px; }

  .page-hero { padding: 120px 0 60px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .purchase-card { padding: 28px 24px; }
  .login-card { padding: 32px 24px; }
}