/* NexoEmprende - Dark Layout Completo */

/* VARIABLES */

:root {
  --blue-primary: #2F80ED;
  --blue-dark: #0F2440;
  --green-accent: #27AE60;

  --bg-main: #0D1117;
  --bg-section: #161B22;
  --text-main: #E6EAF0;
  --text-muted: #A7B1C0;
  --border-light: rgba(255,255,255,0.08);
  --shadow-dark: 0 0 25px rgba(0,0,0,0.4);
}

/* RESET */

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

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  scroll-behavior: smooth;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--blue-primary);
  color: white;
  border-radius: 999px;
  font-weight: 600;
  z-index: 120;
}

.skip-link:focus-visible {
  left: 1rem;
  top: 1rem;
  outline: 2px solid white;
  outline-offset: 3px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* HEADER */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 90;
}

.nav-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.logo-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 18px rgba(47,128,237,0.55);
}

.logo-circle.small {
  width: 32px;
  height: 32px;
  box-shadow: 0 0 12px rgba(47,128,237,0.5);
}

.logo-circle span {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: white;
}

.logo-circle::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green-accent);
  top: 6px;
  right: 6px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 42px;
  width: auto;
  display: block;
}

.logo-img.small {
  height: 32px;
}

.brand-name {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav-menu-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.nav-menu-title {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
}

.nav-close {
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: var(--text-main);
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
  cursor: pointer;
}

.nav-close:hover {
  color: white;
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.03);
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0.4rem 0.7rem;
  font-weight: 600;
  cursor: pointer;
  height: 40px;
  width: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.nav-menu a {
  color: var(--text-muted);
}

.nav-menu a:hover {
  color: var(--blue-primary);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bars span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 1px;
}

.nav-menu-footer {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bars span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 1px;
}

.btn-whatsapp-nav {
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  background: var(--green-accent);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(39,174,96,0.45);
  animation: whatsapp-pulse 2.8s ease-in-out infinite;
}

.btn-whatsapp-nav:hover {
  filter: brightness(1.08);
}

body.nav-open {
  overflow: hidden;
}

/* HERO */

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-family: "Poppins", sans-serif;
  font-size: 2.5rem;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--blue-primary);
  color: white;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(47,128,237,0.5);
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-outline {
  background: transparent;
  color: var(--blue-primary);
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--blue-primary);
  cursor: pointer;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-badge {
  background: rgba(22,27,34,0.9);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(47,128,237,0.3);
}

/* HERO MOCKUP */

.hero-mockup {
  background: radial-gradient(circle at top, #1d2635 0, #0f141b 55%, #070a0f 100%);
  border-radius: 24px;
  padding: 1.75rem;
  box-shadow: var(--shadow-dark);
  min-height: 260px;
  border: 1px solid var(--border-light);
}

.hero-mockup-placeholder {
  border-radius: 16px;
  border: 1px dashed rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.02);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1rem;
}

.hero-mockup-placeholder img {
  max-width: 100%;
  height: auto;
}

/* SECTIONS GENERALES */

.section {
  padding: 3rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.section-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue-primary);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.section-title {
  font-family: "Poppins", sans-serif;
  font-size: 1.7rem;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 34rem;
  margin: 0 auto;
}

/* BENEFICIOS */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.benefit-card {
  background: var(--bg-section);
  padding: 1.4rem 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-dark);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.benefit-label {
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.section-cta-inline {
  margin-top: 1.2rem;
}

.text-link {
  color: var(--blue-primary);
  font-weight: 600;
}

.text-link:hover {
  text-decoration: underline;
}

/* SERVICIOS */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.8rem;
}

.service-card {
  background: var(--bg-section);
  border-radius: 18px;
  padding: 1.7rem 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-dark);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 220ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47,128,237,0.4);
  box-shadow: 0 12px 26px rgba(0,0,0,0.45);
}

.service-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--blue-primary);
  font-weight: 600;
  display: inline-flex;
  align-self: flex-start;
  background: rgba(47,128,237,0.1);
  border: 1px solid rgba(47,128,237,0.25);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
}

.service-title {
  font-family: "Poppins", sans-serif;
  font-size: 1.1rem;
  color: var(--text-main);
  line-height: 1.3;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0.2rem 0 0;
  display: grid;
  gap: 0.4rem;
}

.service-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-muted);
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-primary), var(--green-accent));
  box-shadow: 0 0 0 4px rgba(47,128,237,0.1);
}

.service-footer {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* PROCESO */

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.process-step {
  background: var(--bg-section);
  border-radius: 16px;
  padding: 1.3rem 1rem;
  border: 1px solid var(--border-light);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.process-step-number {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--blue-primary);
  color: white;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.process-step-title {
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text-main);
}

/* PLANES */

.plans {
  background: radial-gradient(circle at top, rgba(47,128,237,0.08) 0, #0D1117 55%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.pricing-grid.pricing-grid-centered {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 980px;
  margin: 0 auto;
  justify-items: center;
  gap: 1.8rem;
}

.pricing-card {
  background: var(--bg-section);
  border-radius: 20px;
  padding: 1.8rem 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-dark);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.pricing-name {
  font-family: "Poppins", sans-serif;
  font-size: 1.25rem;
  margin-bottom: 0.2rem;
}

.pricing-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-price {
  margin-top: 0.5rem;
  margin-bottom: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.price-ars {
  font-size: 1rem;
  font-weight: 600;
}

.price-usd {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin: 0.4rem 0 1rem;
  padding: 0;
}

.pricing-features li {
  margin-bottom: 0.35rem;
  padding-left: 1.1rem;
  position: relative;
}

.pricing-features li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green-accent);
}

.pricing-btn {
  margin-top: auto;
  width: 100%;
  text-align: center;
}

.pricing-featured {
  border-color: rgba(47,128,237,0.7);
  box-shadow: 0 0 28px rgba(47,128,237,0.5);
  transform: translateY(-6px);
  animation: pricing-glow 3.2s ease-in-out infinite;
}

.pricing-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--blue-primary);
  color: white;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
}

/* CONTACTO */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.2rem;
  align-items: center;
}

.contact-highlight {
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  color: var(--text-muted);
}

form {
  background: var(--bg-section);
  padding: 1.8rem 1.6rem;
  border-radius: 18px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-dark);
}

.form-group {
  margin-bottom: 1rem;
}

.form-status {
  margin-bottom: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,0.03);
  color: var(--text-main);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  border-color: rgba(39,174,96,0.35);
  background: rgba(39,174,96,0.12);
  color: #c4f0d5;
}

.form-status.is-error {
  border-color: rgba(255,99,99,0.35);
  background: rgba(255,99,99,0.12);
  color: #ffd9d9;
}

.recaptcha-note {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.recaptcha-note a {
  color: var(--text-muted);
  text-decoration: underline;
}

/* Ocultar badge v3 (usamos la nota textual requerida) */
.grecaptcha-badge {
  visibility: hidden;
}

label {
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text-main);
}

input,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  padding: 0.7rem 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
  background: #0f141b;
  color: var(--text-main);
}

input::placeholder,
textarea::placeholder {
  color: #8190a5;
}

textarea {
  resize: vertical;
  min-height: 110px;
}

.btn-submit {
  margin-top: 0.4rem;
  width: 100%;
}

.contact-small {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
}

/* FORMULARIO INTELIGENTE */

.smart-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.smart-form select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  padding: 0.7rem 0.75rem;
  background: #0f141b;
  color: var(--text-main);
  font-family: inherit;
}

.smart-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.smart-btn {
  min-width: 160px;
}

.smart-result {
  margin-top: 0.8rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  line-height: 1.4;
}

/* FAQ */

.faq-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.faq-list details {
  background: var(--bg-section);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  color: var(--text-muted);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin-top: 0.55rem;
  font-size: 0.92rem;
}

/* FOOTER */

footer {
  margin-top: 3rem;
  padding: 1.8rem 0;
  background: #05070b;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.83rem;
}

.footer-links a:hover {
  color: white;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue-primary);
  outline-offset: 3px;
}

button:focus-visible {
  box-shadow: 0 0 0 3px rgba(47,128,237,0.25);
}

/* ANIMACIONES */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 280ms ease, transform 320ms ease;
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes whatsapp-pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 18px rgba(39,174,96,0.45);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 0 26px rgba(39,174,96,0.6);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 18px rgba(39,174,96,0.45);
  }
}

@keyframes pricing-glow {
  0% {
    box-shadow: 0 0 22px rgba(47,128,237,0.35), 0 0 0 0 rgba(47,128,237,0.25);
    border-color: rgba(47,128,237,0.7);
  }
  50% {
    box-shadow: 0 0 34px rgba(47,128,237,0.55), 0 0 0 8px rgba(47,128,237,0.12);
    border-color: rgba(47,128,237,0.9);
  }
  100% {
    box-shadow: 0 0 22px rgba(47,128,237,0.35), 0 0 0 0 rgba(47,128,237,0.25);
    border-color: rgba(47,128,237,0.7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn-whatsapp-nav {
    animation: none;
  }
}

/* CTA STICKY */

.cta-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(13,17,23,0.92);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 -10px 24px rgba(0,0,0,0.35);
  z-index: 130;
  padding: 0.6rem 0;
}

.cta-sticky-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-sticky-text {
  color: var(--text-main);
  font-weight: 600;
}

/* RESPONSIVE */

/* CHAT WIDGET */

.chat-widget {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  z-index: 140;
}

.chat-toggle {
  background: var(--blue-primary);
  color: white;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.1rem;
  font-weight: 600;
  box-shadow: 0 12px 28px rgba(47,128,237,0.35);
  cursor: pointer;
}

.chat-toggle:hover {
  filter: brightness(1.08);
}

.chat-window {
  display: none;
  width: 320px;
  max-width: calc(100vw - 2.5rem);
  background: var(--bg-section);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  box-shadow: 0 24px 40px rgba(0,0,0,0.5);
  overflow: hidden;
}

.chat-window.is-visible {
  display: flex;
  flex-direction: column;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

.chat-title {
  font-weight: 700;
  color: var(--text-main);
}

.chat-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.chat-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.chat-close:hover {
  color: var(--text-main);
}

.chat-messages {
  max-height: 260px;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chat-bubble {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.chat-bubble a {
  color: var(--blue-primary);
  font-weight: 700;
}

.chat-bubble.bot {
  background: #121823;
  border: 1px solid var(--border-light);
  color: var(--text-main);
}

.chat-bubble.user {
  background: rgba(47,128,237,0.12);
  border: 1px solid rgba(47,128,237,0.4);
  color: var(--text-main);
  align-self: flex-end;
}

.chat-input {
  display: flex;
  gap: 0.55rem;
  padding: 0 1rem 0.9rem;
}

.chat-input input {
  flex: 1;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: #0f141b;
  padding: 0.6rem 0.75rem;
  color: var(--text-main);
}

.chat-input button {
  background: var(--blue-primary);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
  opacity: 1;
}

.chat-input button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.chat-note {
  padding: 0 1rem 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 3rem;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .smart-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .btn-whatsapp-nav {
    display: none;
  }

  .nav-menu {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #0d1117;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 14px 28px rgba(0,0,0,0.45);
    padding: 0.8rem 1rem 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
    z-index: 120;
    overflow: visible;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu a {
    display: block;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    color: var(--text-main);
    font-weight: 600;
    border: 1px solid transparent;
  }

  .nav-menu a:hover {
    background: rgba(47,128,237,0.08);
    border-color: rgba(47,128,237,0.35);
    color: white;
  }

  .nav-menu-footer {
    display: block;
    margin-top: auto;
  }

  .nav-menu-footer .btn-whatsapp-nav {
    display: inline-flex;
    width: 100%;
    justify-content: center;
  }

  .hero-title {
    font-size: 2rem;
  }

  .benefits-grid,
  .services-grid,
  .process-steps,
  .pricing-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  header {
    backdrop-filter: blur(10px);
  }

  .chat-widget {
    right: 1rem;
    left: 1rem;
    bottom: 1rem;
    align-items: flex-start;
  }

  .chat-window {
    width: 100%;
  }

  .cta-sticky-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}