.nav-cta { display: none; gap: .5rem; align-items: center; }
@media (min-width: 768px) { .nav-cta { display: flex; } .nav-cta-mobile { display: none; } }
.nav-cta-mobile { display: flex; align-items: center; gap: .5rem; }
@media (min-width: 768px) { .nav-cta-mobile { display: none; } }

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
@media (min-width: 768px) { .menu-toggle { display: none; } }
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-drawer {
  display: none;
  position: fixed;
  top: 4.5rem; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 32px var(--shadow-lg);
  padding: 1.25rem;
  z-index: 49;
  flex-direction: column;
  gap: .75rem;
}
.mobile-drawer.open { display: flex; }
.mobile-drawer a {
  color: var(--text);
  text-decoration: none;
  padding: .75rem 1rem;
  border-radius: .5rem;
  font-weight: 500;
}
.mobile-drawer a:hover { background: var(--bg-soft); }

.btn-whatsapp {
  background: rgb(37, 211, 102);
  color: rgb(255, 255, 255);
  box-shadow: 0 8px 24px rgba(37, 211, 102, .3);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, .4);
}

.value-strip {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 768px) { .value-strip { grid-template-columns: repeat(3, 1fr); } }
.value-item {
  padding: 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 4px 16px var(--shadow);
  text-align: left;
}
.value-item strong { display: block; margin-bottom: .35rem; color: var(--primary-deep); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.value-item p { font-size: .9rem; color: var(--muted); margin: 0; }

.steps {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
  counter-reset: step;
}
@media (min-width: 768px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step-card {
  position: relative;
  padding: 1.5rem 1.25rem 1.25rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 4px 16px var(--shadow);
}
.step-card::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--text);
  font-weight: 700;
  font-size: .85rem;
  margin-bottom: 1rem;
}
.step-card h3 { font-size: 1rem; margin-bottom: .5rem; }
.step-card p { font-size: .85rem; color: var(--muted); }

.demo-stage {
  margin-top: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  overflow: hidden;
  display: grid;
  box-shadow: 0 12px 40px var(--shadow-lg);
}
@media (min-width: 900px) { .demo-stage { grid-template-columns: 1.2fr 1fr; min-height: 420px; } }

.demo-map {
  position: relative;
  min-height: 280px;
  background:
    radial-gradient(circle at 30% 40%, rgba(250, 204, 21, 0.2), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(245, 158, 11, 0.15), transparent 45%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  overflow: hidden;
}
.demo-map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(202, 138, 4, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(202, 138, 4, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .6;
}
.demo-route {
  position: absolute;
  inset: 20% 15%;
  border: 2px dashed rgba(202, 138, 4, 0.55);
  border-radius: 2rem;
  animation: pulse-route 3s ease-in-out infinite;
}
@keyframes pulse-route {
  0%, 100% { opacity: .6; }
  50% { opacity: 1; }
}
.demo-bus {
  position: absolute;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  border: 2px solid rgb(255, 255, 255);
  border-radius: 10px;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px var(--glow);
  animation: bus-move 8s ease-in-out infinite;
  z-index: 2;
}
.demo-bus svg { width: 22px; height: 22px; color: rgb(15, 23, 42); }
@keyframes bus-move {
  0% { top: 65%; left: 18%; }
  25% { top: 45%; left: 35%; }
  50% { top: 30%; left: 55%; }
  75% { top: 50%; left: 72%; }
  100% { top: 65%; left: 18%; }
}
.demo-pin {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--surface);
  border: 2px solid 
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(34,197,94,.6);
}
.demo-pin.school { top: 28%; left: 58%; }
.demo-pin.home { top: 68%; left: 20%; }

.demo-feed {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  justify-content: center;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
@media (min-width: 900px) { .demo-feed { border-top: none; border-left: 1px solid var(--border); } }

.demo-alert {
  padding: .85rem 1rem;
  border-radius: .75rem;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: .85rem;
  color: var(--text-secondary);
  animation: alert-in 6s ease-in-out infinite;
  opacity: 0;
  transform: translateX(12px);
  box-shadow: 0 2px 8px var(--shadow);
}
.demo-alert:nth-child(1) { animation-delay: 0s; }
.demo-alert:nth-child(2) { animation-delay: 2s; }
.demo-alert:nth-child(3) { animation-delay: 4s; }
@keyframes alert-in {
  0%, 8% { opacity: 0; transform: translateX(12px); }
  12%, 35% { opacity: 1; transform: translateX(0); }
  40%, 100% { opacity: 0; transform: translateX(-8px); }
}
.demo-alert strong { color: var(--primary-deep); display: block; font-size: .75rem; margin-bottom: .2rem; }

.screenshots-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 2rem 0 1.5rem;
}
.tab-btn {
  padding: .5rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--bg-warm);
  border-color: var(--border-strong);
  color: var(--text);
}
.mockup-viewport {
  border-radius: 1.25rem;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 24px 64px var(--shadow-lg);
}
.mockup-chrome {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot:nth-child(1) { background: rgb(239, 68, 68); }
.mockup-dot:nth-child(2) { background: rgb(234, 179, 8); }
.mockup-dot:nth-child(3) { background: rgb(34, 197, 94); }
.mockup-title { margin-left: .5rem; font-size: .75rem; color: var(--muted); }
.mockup-body { padding: 1.25rem; min-height: 320px; background: var(--bg-soft); }
.mockup-panel { display: none; }
.mockup-panel.active { display: block; }

.m-map {
  position: relative;
  height: 200px;
  border-radius: .75rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}
.m-map-road {
  position: absolute;
  width: 80%;
  height: 4px;
  background: rgba(120, 113, 108, 0.35);
  top: 50%; left: 10%;
  transform: rotate(-8deg);
}
.m-bus-icon {
  position: absolute;
  top: 42%; left: 45%;
  width: 28px; height: 28px;
  background: var(--surface);
  border: 2px solid var(--primary-dark);
  border-radius: 6px;
  animation: mock-bus 4s ease-in-out infinite alternate;
}
@keyframes mock-bus {
  from { left: 25%; }
  to { left: 65%; }
}
.m-eta {
  position: absolute;
  bottom: 10px; left: 10px; right: 10px;
  padding: .5rem .75rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: .5rem;
  font-size: .75rem;
  display: flex;
  justify-content: space-between;
  color: var(--text);
  border: 1px solid var(--border);
}
.m-eta span:last-child { color: var(--primary-deep); font-weight: 600; }

.m-row { display: flex; gap: .75rem; margin-bottom: .75rem; align-items: center; }
.m-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  flex-shrink: 0;
}
.m-card {
  padding: .75rem 1rem;
  border-radius: .65rem;
  border: 1px solid var(--border);
  background: var(--surface);
  margin-bottom: .5rem;
}
.m-card h4 { font-size: .8rem; margin-bottom: .25rem; color: var(--text); }
.m-card p { font-size: .7rem; color: var(--muted); }
.m-badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 9999px;
  font-size: .65rem;
  font-weight: 600;
}
.m-badge.green { background: rgba(34,197,94,.15); color: rgb(22, 101, 52); }
.m-badge.blue { background: rgba(234, 179, 8, 0.2); color: rgb(161, 98, 7); }
.m-badge.amber { background: rgba(245,158,11,.2); color: rgb(146, 64, 14); }

.m-table { width: 100%; font-size: .7rem; border-collapse: collapse; color: var(--text); }
.m-table th, .m-table td { padding: .5rem; text-align: left; border-bottom: 1px solid var(--border); }
.m-table th { color: var(--muted); font-weight: 600; }

.m-stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-bottom: 1rem; }
.m-stat {
  padding: .65rem;
  border-radius: .5rem;
  background: var(--bg-warm);
  text-align: center;
  border: 1px solid var(--border);
}
.m-stat strong { display: block; font-size: 1.1rem; color: var(--primary-deep); }
.m-stat span { font-size: .65rem; color: var(--muted); }

.m-phone {
  max-width: 220px;
  margin: 0 auto;
  border-radius: 1.5rem;
  border: 3px solid 
  padding: .75rem;
  background: var(--surface);
}
.m-phone-notch {
  width: 60px; height: 6px;
  background: var(--surface);
  border-radius: 3px;
  margin: 0 auto .75rem;
}
.m-btn {
  display: block;
  width: 100%;
  padding: .65rem;
  border-radius: .5rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--text);
  text-align: center;
  font-size: .75rem;
  font-weight: 600;
  margin-top: .75rem;
}

.pricing-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}
@media (min-width: 768px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }
.price-card {
  padding: 2rem 1.5rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 4px 20px var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .25s, border-color .25s;
}
.price-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.price-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  position: relative;
  box-shadow: 0 12px 40px var(--glow);
}
.price-card.featured::before {
  content: 'Most popular';
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--text);
  padding: .25rem .75rem;
  border-radius: 9999px;
  font-size: .7rem;
  font-weight: 600;
}
.price-name { font-size: 1.1rem; font-weight: 600; margin-bottom: .5rem; }
.price-amount { font-size: 2rem; font-weight: 800; font-family: 'Outfit', sans-serif; color: var(--primary-deep); }
.price-amount small { font-size: .9rem; font-weight: 500; color: var(--muted); }
.price-desc { font-size: .85rem; color: var(--muted); margin: .75rem 0 1.25rem; flex: 1; }
.price-features { list-style: none; margin-bottom: 1.5rem; }
.price-features li {
  font-size: .85rem;
  color: var(--muted);
  padding: .35rem 0 .35rem 1.25rem;
  position: relative;
}
.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-deep);
  font-weight: 700;
}

.testimonials-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: repeat(3, 1fr); } }
.testimonial {
  padding: 1.5rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 4px 16px var(--shadow);
}
.testimonial .stars { color: rgb(234, 179, 8); }
.testimonial blockquote { font-size: .9rem; color: var(--muted); font-style: italic; margin-bottom: 1rem; line-height: 1.6; }
.testimonial .author strong { display: block; font-size: .9rem; }
.testimonial .author span { font-size: .8rem; color: var(--muted); }

.faq-list { margin-top: 2rem; max-width: 48rem; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}
.faq-q svg { flex-shrink: 0; transition: transform .25s; color: var(--muted); }
.faq-item.open .faq-q svg { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-item.open .faq-a { max-height: 200px; }
.faq-a p { padding-bottom: 1.25rem; color: var(--muted); font-size: .9rem; line-height: 1.65; }

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 3rem 0;
}
.trust-item { text-align: center; }
.trust-item strong { display: block; font-size: 1.5rem; font-family: 'Outfit', sans-serif; color: var(--primary-deep); }
.trust-item span { font-size: .8rem; color: var(--muted); }

.cta-inline {
  text-align: center;
  padding: 2.5rem;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  border: 1px solid var(--border-strong);
  margin-top: 3rem;
  box-shadow: 0 8px 24px var(--shadow);
}
.cta-inline h3 { font-size: 1.5rem; margin-bottom: .5rem; }
.cta-inline p { color: var(--muted); margin-bottom: 1.25rem; }
.cta-inline .btn-row { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

.page-hero {
  padding: 8rem 0 4rem;
  text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 1rem; }
.page-hero p { color: var(--muted); max-width: 36rem; margin: 0 auto; font-size: 1.1rem; }

.contact-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1.2fr; } }
.form-card {
  padding: 2rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 8px 24px var(--shadow);
}
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .4rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border-radius: .5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.25);
}

.contact-methods { display: flex; flex-direction: column; gap: 1rem; }
.contact-method {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 2px 12px var(--shadow);
}
.contact-method:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: 0 8px 20px var(--shadow); }
.contact-method .icon {
  width: 2.5rem; height: 2.5rem;
  border-radius: .65rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-method .icon.email { background: var(--bg-warm); color: var(--primary-deep); }
.contact-method .icon.whatsapp { background: rgba(37,211,102,.15); color: rgb(22, 163, 74); }
.contact-method .icon.phone { background: var(--bg-soft); color: var(--primary-deep); }
.contact-method strong { display: block; font-size: .95rem; margin-bottom: .2rem; }
.contact-method span { font-size: .85rem; color: var(--muted); }

.blog-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (min-width: 640px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }
.blog-card {
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  box-shadow: 0 4px 16px var(--shadow);
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: 0 12px 28px var(--shadow-lg); }
.blog-thumb {
  height: 140px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}
.blog-tag { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--primary-deep); }
.blog-card-body { padding: 1.25rem; }
.blog-card h3 { font-size: 1.05rem; margin-bottom: .5rem; line-height: 1.35; }
.blog-card p { font-size: .85rem; color: var(--muted); }
.blog-meta { font-size: .75rem; color: var(--muted); margin-top: .75rem; }

.article-content {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}
.article-content h2 { font-size: 1.35rem; margin: 2rem 0 1rem; }
.article-content p { color: var(--muted); margin-bottom: 1rem; line-height: 1.75; }
.article-content ul { color: var(--muted); margin: 0 0 1rem 1.25rem; line-height: 1.75; }

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand p { color: var(--muted); font-size: .85rem; margin-top: .75rem; max-width: 20rem; }
.footer-col h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 1rem; }
.footer-col a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  padding: .25rem 0;
  transition: color .2s;
}
.footer-col a:hover { color: var(--primary-deep); }

.section-alt { background: var(--bg-soft); }

.mockup-panel strong { color: var(--text); }
.mockup-panel p { color: var(--muted); }

.blog-featured {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border-strong);
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  box-shadow: 0 12px 40px var(--shadow-lg);
  text-decoration: none;
  color: inherit;
  transition: transform .25s, box-shadow .25s;
}
@media (min-width: 768px) {
  .blog-featured { grid-template-columns: 1.1fr 1fr; align-items: center; }
}
.blog-featured:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px var(--shadow-lg);
}
.blog-featured-visual {
  min-height: 200px;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.blog-featured-bus {
  width: 120px;
  height: 72px;
  background: var(--surface);
  border: 3px solid 
  border-radius: 12px;
  position: relative;
  box-shadow: 0 12px 32px var(--glow);
}
.blog-featured-bus::before {
  content: '';
  position: absolute;
  top: 8px; left: 10px; right: 10px;
  height: 14px;
  background: var(--surface);
  border-radius: 4px;
}
.blog-featured-bus::after {
  content: '';
  position: absolute;
  bottom: -14px; left: 18px;
  width: 22px; height: 22px;
  background: var(--surface);
  border-radius: 50%;
  box-shadow: 68px 0 0 
}
.blog-featured-label {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--primary-deep);
  margin-bottom: .75rem;
}
.blog-featured h2 {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.25;
  margin-bottom: .75rem;
}
.blog-featured p { color: var(--muted); margin-bottom: 1rem; }
.blog-read-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-weight: 600;
  color: var(--primary-deep);
  font-size: .95rem;
}

.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
}
.blog-cat-btn {
  padding: .45rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.blog-cat-btn.active,
.blog-cat-btn:hover {
  background: var(--bg-warm);
  border-color: var(--border-strong);
  color: var(--text);
}

.blog-card.hidden { display: none; }
.blog-card .blog-thumb-icon {
  font-size: 2.5rem;
  line-height: 1;
  opacity: .9;
}
.blog-card .blog-excerpt { font-size: .85rem; color: var(--muted); line-height: 1.55; }

.article-breadcrumb {
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.article-breadcrumb a {
  color: var(--primary-deep);
  text-decoration: none;
}
.article-breadcrumb a:hover { text-decoration: underline; }

.article-header {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.article-header .blog-tag {
  display: inline-block;
  margin-bottom: 1rem;
  padding: .3rem .75rem;
  border-radius: 9999px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--primary-deep);
}
.article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.article-byline {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  font-size: .85rem;
  color: var(--muted);
}

.article-layout {
  display: grid;
  gap: 3rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr 280px;
    align-items: start;
  }
}

.article-content { max-width: none; padding: 0; }
.article-content p { font-size: 1.02rem; }
.article-content h2 {
  font-size: 1.35rem;
  margin: 2.25rem 0 1rem;
  color: var(--text);
  padding-top: .5rem;
}
.article-content h2::before {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary-dark));
  border-radius: 2px;
  margin-bottom: .75rem;
}
.article-content ul,
.article-content ol {
  color: var(--text-secondary);
  margin: 0 0 1.25rem 1.35rem;
  line-height: 1.75;
}
.article-content li { margin-bottom: .35rem; }
.article-content blockquote {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--primary);
  background: var(--bg-soft);
  border-radius: 0 .75rem .75rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-sidebar {
  position: sticky;
  top: 6rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.sidebar-card {
  padding: 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 4px 16px var(--shadow);
}
.sidebar-card h3 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: .75rem;
}
.sidebar-card p { font-size: .85rem; color: var(--muted); margin-bottom: 1rem; }
.sidebar-toc a {
  display: block;
  font-size: .85rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: .35rem 0;
  border-bottom: 1px solid var(--border);
}
.sidebar-toc a:last-child { border-bottom: none; }
.sidebar-toc a:hover { color: var(--primary-deep); }

.article-cta-box {
  margin: 2.5rem 0;
  padding: 2rem;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  border: 1px solid var(--border-strong);
  text-align: center;
}
.article-cta-box h3 { margin-bottom: .5rem; font-size: 1.25rem; }
.article-cta-box p { color: var(--muted); margin-bottom: 1.25rem; font-size: .95rem; }
.article-cta-box .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}

.article-related {
  padding: 4rem 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}
.article-related h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.blog-subscribe {
  margin-top: 3rem;
  padding: 2.5rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  text-align: center;
  box-shadow: 0 8px 24px var(--shadow);
}
.blog-subscribe h3 { margin-bottom: .5rem; }
.blog-subscribe p { color: var(--muted); margin-bottom: 1.25rem; }

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 0 2rem;
}
.partner-logo {
  flex: 0 1 auto;
  max-width: 160px;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 4px 16px var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
}
.partner-logo img {
  max-width: 100%;
  max-height: 56px;
  object-fit: contain;
}

.demo-video-wrap {
  max-width: 880px;
  margin: 0 auto;
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 40px var(--shadow-lg);
  background: var(--surface);
}
.demo-video-player {
  width: 100%;
  display: block;
  max-height: 70vh;
}

.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 999;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  color: var(--text);
}

.form-notice {
  padding: 1rem 1.15rem;
  border-radius: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}
.form-notice.success {
  background: var(--surface);
  border: 1px solid 
  color: var(--text);
}
.form-notice.error {
  background: var(--surface);
  border: 1px solid 
  color: var(--text);
}