/* ==============================================
   LANDING PAGE - DISEÑO PROFESIONAL NIVEL TOP
   ============================================== */

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

html {
  scroll-behavior: smooth;
}

.login-screen {
  min-height: 100vh;
  width: 100%;
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* === BARRA DE NAVEGACIÓN === */
.landing-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 85px;
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.02) 100%),
    rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(25px);
  border-bottom: 1.5px solid rgba(16, 185, 129, 0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.5),
    inset 0 -1px 0 rgba(16, 185, 129, 0.1);
  transition: all 0.4s ease;
}

.landing-navbar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(16, 185, 129, 0.5) 50%, 
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.landing-navbar:hover::after {
  opacity: 1;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: white;
  text-decoration: none;
  font-size: 1.85rem;
  font-weight: 900;
  letter-spacing: -0.8px;
  transition: all 0.4s ease;
  position: relative;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #10b981, #34d399);
  border-radius: 2px;
  transition: width 0.4s ease;
}

.navbar-brand:hover::after {
  width: 100%;
}

.navbar-brand:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 4px 12px rgba(16, 185, 129, 0.4));
}

.navbar-logo {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  position: relative;
}

.navbar-logo::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(135deg, #10b981, #34d399);
  border-radius: 50%;
  opacity: 0;
  filter: blur(8px);
  transition: opacity 0.4s ease;
  z-index: -1;
}

.navbar-brand:hover .navbar-logo::before {
  opacity: 0.6;
}

.navbar-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.navbar-brand:hover .navbar-logo img {
  transform: scale(1.1) rotate(5deg);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-login-nav {
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 8px 25px rgba(16, 185, 129, 0.4),
    0 0 0 1px rgba(16, 185, 129, 0.2) inset;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
}

.btn-login-nav::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-login-nav:hover::before {
  width: 300px;
  height: 300px;
}

.btn-login-nav:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 
    0 12px 35px rgba(16, 185, 129, 0.6),
    0 0 0 1px rgba(16, 185, 129, 0.3) inset,
    0 0 20px rgba(16, 185, 129, 0.3);
}

/* === CONTENIDO PRINCIPAL === */
.landing-content {
  width: 100%;
  margin-top: 85px; /* Espacio para el navbar fixed */
}

/* === SECCIÓN HERO === */
.hero-section {
  width: 100%;
  min-height: calc(100vh - 85px);
  padding: 3rem 5%;
  text-align: center;
  background: 
    radial-gradient(ellipse at top, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, #0a0a0a 0%, #000000 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(16, 185, 129, 0.03) 50%, transparent 70%);
  pointer-events: none;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.hero-content {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.1) 100%);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  color: #34d399;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
  box-shadow: 
    0 4px 15px rgba(16, 185, 129, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  filter: drop-shadow(0 0 4px rgba(16, 185, 129, 0.8));
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 900;
  color: white;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
  line-height: 1.15;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-title .highlight {
  background: linear-gradient(135deg, #10b981 0%, #34d399 50%, #6ee7b7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
  filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.5));
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  line-height: 1.8;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn-hero-primary {
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 10px 30px rgba(16, 185, 129, 0.4),
    0 0 0 1px rgba(16, 185, 129, 0.1) inset;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn-hero-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-hero-primary:hover::before {
  left: 100%;
}

.btn-hero-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 15px 40px rgba(16, 185, 129, 0.6),
    0 0 0 1px rgba(16, 185, 129, 0.2) inset;
}

.btn-hero-secondary {
  padding: 1rem 2.5rem;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  border: 1.5px solid rgba(16, 185, 129, 0.3);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn-hero-secondary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-hero-secondary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-hero-secondary:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

/* === SECCIÓN DE CARACTERÍSTICAS === */
.features-section {
  padding: 4rem 5% 5rem 5%;
  background: 
    linear-gradient(180deg, #000000 0%, #0a0a0a 50%, #000000 100%),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
  position: relative;
  overflow: hidden;
}

.features-section::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: 
    repeating-linear-gradient(
      45deg,
      transparent 0,
      transparent 40px,
      rgba(16, 185, 129, 0.02) 40px,
      rgba(16, 185, 129, 0.02) 80px
    );
  pointer-events: none;
  opacity: 0.4;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem auto;
  position: relative;
  z-index: 1;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.1) 100%);
  border: 1.5px solid rgba(16, 185, 129, 0.4);
  border-radius: 50px;
  color: #34d399;
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  backdrop-filter: blur(10px);
  box-shadow: 
    0 4px 20px rgba(16, 185, 129, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.15); }
  50% { box-shadow: 0 4px 30px rgba(16, 185, 129, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
}

.section-title {
  font-size: 2.75rem;
  font-weight: 900;
  color: white;
  margin-bottom: 1.25rem;
  letter-spacing: -1.5px;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 0%, #d1d5db 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(16, 185, 129, 0.3);
}

.section-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.feature-card {
  padding: 2.5rem;
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%),
    rgba(10, 10, 10, 0.6);
  border: 1.5px solid rgba(16, 185, 129, 0.25);
  border-radius: 24px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow: 
    0 10px 40px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    #10b981 25%,
    #34d399 50%,
    #10b981 75%,
    transparent 100%
  );
  opacity: 0;
  transform: scaleX(0);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(
    circle,
    rgba(16, 185, 129, 0.2) 0%,
    transparent 70%
  );
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s ease;
  pointer-events: none;
}

.feature-card:hover::before {
  opacity: 1;
  transform: scaleX(1);
}

.feature-card:hover::after {
  width: 500px;
  height: 500px;
}

.feature-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(16, 185, 129, 0.6);
  box-shadow: 
    0 20px 60px rgba(16, 185, 129, 0.3),
    0 0 0 1px rgba(16, 185, 129, 0.3) inset,
    0 0 60px rgba(16, 185, 129, 0.2);
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.08) 100%),
    rgba(15, 15, 15, 0.8);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25) 0%, rgba(5, 150, 105, 0.15) 100%);
  border: 2px solid rgba(16, 185, 129, 0.4);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 
    0 10px 30px rgba(16, 185, 129, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.feature-icon::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, #10b981, #34d399, #6ee7b7);
  border-radius: 18px;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
  filter: blur(8px);
}

.feature-card:hover .feature-icon {
  transform: scale(1.15) rotate(10deg);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.4) 0%, rgba(5, 150, 105, 0.25) 100%);
  border-color: rgba(16, 185, 129, 0.8);
  box-shadow: 
    0 15px 40px rgba(16, 185, 129, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.feature-card:hover .feature-icon::before {
  opacity: 0.6;
}

.feature-icon svg {
  width: 36px;
  height: 36px;
  color: #34d399;
  filter: drop-shadow(0 4px 12px rgba(16, 185, 129, 0.6));
  transition: all 0.5s ease;
}

.feature-card:hover .feature-icon svg {
  transform: scale(1.2);
  filter: drop-shadow(0 6px 16px rgba(16, 185, 129, 0.9));
  color: #6ee7b7;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: white;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
  transition: all 0.4s ease;
}

.feature-card:hover .feature-title {
  color: #34d399;
  transform: translateX(6px);
  text-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
}

.feature-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  font-weight: 400;
  transition: all 0.4s ease;
}

.feature-card:hover .feature-description {
  color: rgba(255, 255, 255, 0.95);
}

/* === SECCIÓN EJEMPLO DE USO === */
.example-section {
  padding: 4rem 5% 5rem 5%;
  background: 
    linear-gradient(180deg, #000000 0%, #0a0a0a 100%),
    radial-gradient(ellipse at 30% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(5, 150, 105, 0.08) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

.example-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(45deg, transparent 40%, rgba(16, 185, 129, 0.02) 50%, transparent 60%);
  animation: shimmer 3s ease-in-out infinite;
  pointer-events: none;
}

.example-container {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.example-content {
  padding-right: 2rem;
}

.example-steps {
  list-style: none;
  padding: 0;
  margin: 2.5rem 0;
}

.example-step {
  display: flex;
  gap: 1.75rem;
  margin-bottom: 2.25rem;
  align-items: flex-start;
  position: relative;
}

.example-step::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 50px;
  width: 2px;
  height: calc(100% + 12px);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.3) 0%, transparent 100%);
}

.example-step:last-child::before {
  display: none;
}

.step-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: 
    0 8px 25px rgba(16, 185, 129, 0.4),
    0 0 0 4px rgba(16, 185, 129, 0.1);
  position: relative;
  transition: all 0.4s ease;
}

.step-number::before {
  content: '';
  position: absolute;
  inset: -6px;
  background: linear-gradient(135deg, #10b981, #34d399);
  border-radius: 50%;
  opacity: 0;
  filter: blur(12px);
  transition: opacity 0.4s ease;
  z-index: -1;
}

.example-step:hover .step-number {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 
    0 12px 35px rgba(16, 185, 129, 0.5),
    0 0 0 4px rgba(16, 185, 129, 0.2);
}

.example-step:hover .step-number::before {
  opacity: 0.6;
}

.step-content h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.75rem;
  letter-spacing: -0.4px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.example-step:hover .step-content h4 {
  color: #34d399;
  transform: translateX(4px);
}

.step-content p {
  font-size: 0.975rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.75;
  transition: all 0.3s ease;
}

.example-step:hover .step-content p {
  color: rgba(255, 255, 255, 0.9);
}

.example-visual {
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.04) 100%),
    rgba(15, 15, 15, 0.9);
  border: 1.5px solid rgba(16, 185, 129, 0.2);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  backdrop-filter: blur(20px);
  transition: all 0.5s ease;
}

.example-visual:hover {
  transform: translateY(-6px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 
    0 30px 80px rgba(16, 185, 129, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.example-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    #10b981 25%,
    #34d399 50%,
    #10b981 75%,
    transparent 100%
  );
  border-radius: 24px 24px 0 0;
}

.example-screenshot {
  width: 100%;
  border-radius: 16px;
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid rgba(16, 185, 129, 0.15);
  padding: 2.25rem;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
}

.mock-input {
  background: rgba(20, 20, 20, 0.8);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.7;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.mock-input::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
  transition: left 0.5s;
}

.mock-input:hover {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(25, 25, 25, 0.9);
  transform: translateX(4px);
}

.mock-input:hover::before {
  left: 100%;
}

.mock-result {
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.04) 100%),
    rgba(20, 20, 20, 0.8);
  border: 1.5px solid rgba(16, 185, 129, 0.3);
  border-left: 4px solid #10b981;
  border-radius: 12px;
  padding: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  line-height: 1.7;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.1);
  position: relative;
  overflow: hidden;
}

.mock-result::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at top right,
    rgba(16, 185, 129, 0.1) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.mock-result:hover {
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(5, 150, 105, 0.06) 100%),
    rgba(25, 25, 25, 0.9);
  border-color: rgba(16, 185, 129, 0.5);
  transform: translateX(4px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.2);
}

.mock-result strong {
  color: #34d399;
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 800;
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

/* === MODAL DE LOGIN - DISEÑO PREMIUM === */
.login-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.login-modal-overlay.active {
  display: flex;
}

.login-modal {
  background: 
    linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.04) 100%),
    rgba(10, 10, 10, 0.95);
  border: 1.5px solid rgba(16, 185, 129, 0.25);
  border-radius: 24px;
  max-width: 480px;
  width: 100%;
  box-shadow: 
    0 30px 80px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(16, 185, 129, 0.1) inset,
    0 0 60px rgba(16, 185, 129, 0.15);
  position: relative;
  animation: modalSlideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(30px);
  overflow: hidden;
}

.login-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    #10b981 25%,
    #34d399 50%,
    #10b981 75%,
    transparent 100%
  );
  animation: shimmerModal 3s ease-in-out infinite;
}

@keyframes shimmerModal {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-40px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
}

.login-modal-close:hover {
  background: rgba(255, 0, 0, 0.1);
  border-color: rgba(255, 0, 0, 0.3);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.2);
}

.login-modal-close svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
}

.login-modal-content {
  padding: 3rem 2.5rem;
}

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

.login-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
}

.login-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.login-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.625rem;
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.login-form {
  width: 100%;
}

.login-field {
  margin-bottom: 1.5rem;
}

.login-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.2px;
}

.login-input {
  width: 100%;
  padding: 0.875rem 1.125rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.login-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.login-input::placeholder {
  color: var(--text-placeholder);
}

.btn-login {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
  box-shadow: 0 6px 15px rgba(16, 185, 129, 0.3);
  letter-spacing: 0.3px;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.5);
}

.btn-login:active {
  transform: translateY(0);
}

.btn-login:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.login-error {
  margin-top: 1rem;
  padding: 0.875rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: var(--error);
  font-size: 0.875rem;
  text-align: center;
  display: none;
  font-weight: 500;
}

.login-error:not(:empty) {
  display: block;
}

.login-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* === BOTÓN WHATSAPP FLOTANTE === */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 1000;
  text-decoration: none;
  color: white;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
}

/* === RESPONSIVE DESIGN PROFESIONAL === */

/* Desktop grande */
@media (min-width: 1440px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
}

/* Tablets y pantallas medianas */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .example-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .example-content {
    padding-right: 0;
  }
}

/* Tablets pequeñas */
@media (max-width: 768px) {
  .landing-navbar {
    height: 70px;
  }
  
  .landing-content {
    padding-top: 70px;
  }
  
  .navbar-brand {
    font-size: 1.4rem;
  }
  
  .hero-section,
  .features-section,
  .example-section {
    padding: 4rem 4%;
  }
  
  .hero-title {
    font-size: 2.5rem;
    letter-spacing: -1px;
  }
  
  .hero-subtitle {
    font-size: 1.05rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .login-modal {
    max-width: 400px;
  }
}

/* Móviles */
@media (max-width: 480px) {
  .landing-navbar {
    height: 64px;
    padding: 0 4%;
  }
  
  .landing-content {
    padding-top: 64px;
  }
  
  .navbar-brand {
    font-size: 1.2rem;
  }
  
  .navbar-logo {
    width: 36px;
    height: 36px;
  }
  
  .btn-login-nav {
    padding: 0.625rem 1.125rem;
    font-size: 0.875rem;
  }
  
  .hero-section,
  .features-section,
  .example-section {
    padding: 3rem 4%;
  }
  
  .hero-badge {
    font-size: 0.75rem;
    padding: 0.5rem 0.875rem;
  }
  
  .hero-title {
    font-size: 2rem;
    margin-bottom: 1.25rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.75rem;
  }
  
  .hero-actions {
    flex-direction: column;
    margin-top: 1.5rem;
  }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }
  
  .section-badge {
    font-size: 0.7rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-description {
    font-size: 1rem;
  }
  
  .feature-card {
    padding: 1.75rem;
  }
  
  .feature-icon {
    width: 52px;
    height: 52px;
  }
  
  .feature-icon svg {
    width: 26px;
    height: 26px;
  }
  
  .feature-title {
    font-size: 1.125rem;
  }
  
  .example-step {
    gap: 1.25rem;
  }
  
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .step-content h4 {
    font-size: 1.05rem;
  }
  
  .step-content p {
    font-size: 0.9rem;
  }
  
  .example-visual {
    padding: 1.5rem;
  }
  
  .example-screenshot {
    padding: 1.5rem;
    min-height: 320px;
  }
  
  .login-modal {
    max-width: 92%;
    border-radius: 16px;
  }
  
  .login-modal-content {
    padding: 2.5rem 2rem;
  }
  
  .login-logo {
    width: 56px;
    height: 56px;
  }
  
  .login-title {
    font-size: 1.5rem;
  }
  
  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 1.25rem;
    right: 1.25rem;
  }
  
  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
  
  .whatsapp-tooltip {
    display: none;
  }
}