/* ============================
   VARIABLES & RESET
   ============================ */
:root {
  --primary: #7c3aed;
  --primary-light: #9d5cf6;
  --primary-dark: #5b21b6;
  --accent: #06b6d4;
  --dark: #0a0a0f;
  --dark-2: #111118;
  --dark-3: #1a1a27;
  --dark-4: #242435;
  --border: rgba(255,255,255,0.08);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #7c3aed, #06b6d4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

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

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

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-dark {
  background-color: rgba(17, 17, 24, 0.75);
  backdrop-filter: blur(2px);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ============================
   BOTONES
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.6);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.2);
}

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

.btn-white {
  background: var(--white);
  color: var(--primary-dark);
  font-weight: 700;
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.2);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  isolation: isolate;
}

.navbar.scrolled {
  background: rgba(10,10,15,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo span {
  color: var(--primary-light);
}

.logo-icon {
  background: var(--gradient);
  color: white;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-cta {
  margin-left: 8px;
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================
   HERO
   ============================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}


.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7c3aed, transparent);
  top: -200px;
  left: -200px;
  opacity: 0.25;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #06b6d4, transparent);
  bottom: -100px;
  right: -100px;
  opacity: 0.15;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fadeInUp 0.7s ease 0.4s both;
}

.stat {
  text-align: left;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--white);
}

.stat span {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary-light);
}

.stat p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ============================
   SERVICIOS
   ============================ */
.section-servicios {
  position: relative;
  overflow: hidden;
  background: rgba(10, 10, 15, 0.6);
}

#nodesCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.section-servicios .container {
  position: relative;
  z-index: 1;
}


.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  position: relative;
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(124,58,237,0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card.featured {
  border-color: rgba(124,58,237,0.5);
  background: linear-gradient(145deg, var(--dark-3), rgba(124,58,237,0.1));
}

.featured-badge {
  position: absolute;
  top: -1px;
  right: 24px;
  background: var(--gradient);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 0 0 8px 8px;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary-light);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
}

.service-list li i {
  color: var(--primary-light);
  font-size: 1rem;
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.2s;
}

.service-link:hover {
  gap: 10px;
}

/* ============================
   BENEFICIOS
   ============================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.benefit-item {
  background: var(--dark-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.benefit-item:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-3px);
}

.benefit-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
  margin-bottom: 16px;
}

.benefit-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.benefit-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================
   INFRAESTRUCTURA AVANZADA
   ============================ */
.infra-section {
  background: rgba(17, 17, 24, 0.75);
  backdrop-filter: blur(2px);
  position: relative;
  overflow: hidden;
}

.infra-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.12), transparent 70%);
  pointer-events: none;
}

.infra-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.08), transparent 70%);
  pointer-events: none;
}

.infra-header {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
  z-index: 1;
}

.infra-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(6,182,212,0.15));
  border: 1px solid rgba(124,58,237,0.4);
  color: var(--primary-light);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.infra-tag i { font-size: 1rem; color: #f7d340; }

.infra-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.infra-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

.infra-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
}

/* Card grande */
.infra-big-card {
  background: linear-gradient(145deg, var(--dark-4), rgba(124,58,237,0.15));
  border: 1px solid rgba(124,58,237,0.35);
  border-radius: var(--radius);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.infra-big-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(124,58,237,0.2), transparent);
  pointer-events: none;
}

.infra-big-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  margin-bottom: 24px;
}

.infra-big-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.3;
}

.infra-big-card p {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.infra-big-card strong { color: var(--white); }

.infra-sla {
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
}

.sla-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sla-num {
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.sla-num small {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-left: 2px;
}

.sla-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 4px;
}

.sla-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Grid de features */
.infra-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.infra-feat {
  background: var(--dark-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}

.infra-feat:hover {
  border-color: rgba(124,58,237,0.35);
  transform: translateY(-3px);
}

.infra-feat-icon {
  width: 44px;
  height: 44px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary-light);
  flex-shrink: 0;
}

.infra-feat-icon.protect {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.3);
  color: #f87171;
}

.infra-feat-icon.dashboard {
  background: rgba(6,182,212,0.12);
  border-color: rgba(6,182,212,0.3);
  color: var(--accent);
}

.infra-feat h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.infra-feat p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Barra de tecnologías */
.infra-tech-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  background: var(--dark-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  position: relative;
  z-index: 1;
}

.infra-tech-bar span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.infra-tech-bar span i {
  color: var(--primary-light);
  font-size: 1rem;
}

@media (max-width: 900px) {
  .infra-main {
    grid-template-columns: 1fr;
  }
  .infra-features {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .infra-features {
    grid-template-columns: 1fr;
  }
  .infra-sla {
    gap: 16px;
    padding: 14px 16px;
  }
}

/* ============================
   PRECIOS
   ============================ */
.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.toggle-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s;
}

.toggle-label.active {
  color: var(--white);
  font-weight: 600;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--dark-4);
  border: 1px solid var(--border);
  border-radius: 50px;
  transition: 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--primary-light);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(24px);
}

.save-badge {
  font-style: normal;
  background: rgba(6,182,212,0.15);
  border: 1px solid rgba(6,182,212,0.3);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 50px;
  margin-left: 6px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.price-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.price-card:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-4px);
}

.price-card.featured {
  border-color: rgba(124,58,237,0.5);
  background: linear-gradient(145deg, var(--dark-3), rgba(124,58,237,0.12));
  transform: scale(1.03);
}

.price-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.price-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 18px;
  border-radius: 0 0 10px 10px;
  white-space: nowrap;
}

.price-tier {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.price-amount {
  display: flex;
  align-items: flex-start;
  margin-bottom: 8px;
}

.currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-top: 8px;
}

.amount {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.period {
  font-size: 0.9rem;
  color: var(--text-muted);
  align-self: flex-end;
  margin-bottom: 8px;
  margin-left: 4px;
}

.price-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.price-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
}

.price-list li i {
  font-size: 1rem;
  flex-shrink: 0;
}

.price-list li i.ri-check-line { color: var(--primary-light); }
.price-list li i.ri-close-line { color: var(--text-muted); }
.price-list li.disabled { color: var(--text-muted); }

/* ============================
   CTA BANNER
   ============================ */
.cta-banner {
  background: linear-gradient(135deg, rgba(91,33,182,0.85), rgba(14,116,144,0.85));
  backdrop-filter: blur(8px);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta-glow {
  position: absolute;
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(255,255,255,0.1), transparent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.cta-inner {
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 36px;
}

/* ============================
   CONTACTO
   ============================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 46px;
  height: 46px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary-light);
  flex-shrink: 0;
}

.contact-item h5 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.contact-form {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--dark-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
  -webkit-appearance: none;
}

.form-group select {
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-success.show {
  display: flex;
}

.form-error {
  display: none;
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(220, 38, 38, 0.12);
  border: 1px solid rgba(220, 38, 38, 0.4);
  border-radius: 8px;
  color: #fca5a5;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  background: rgba(17, 17, 24, 0.88);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding-top: 60px;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer-links h6 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}

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

/* WhatsApp card en el brand */
.footer-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  background: rgba(37,211,102,0.1);
  border: 1px solid rgba(37,211,102,0.35);
  border-radius: var(--radius);
  padding: 12px 18px;
  text-decoration: none;
  transition: var(--transition);
  width: fit-content;
}
.footer-whatsapp:hover {
  background: rgba(37,211,102,0.18);
  border-color: rgba(37,211,102,0.6);
  transform: translateY(-2px);
}
.footer-wa-icon {
  width: 42px;
  height: 42px;
  background: #25D366;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  flex-shrink: 0;
}
.footer-wa-text {
  display: flex;
  flex-direction: column;
}
.footer-wa-text small {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.footer-wa-text strong {
  font-size: 1.1rem;
  color: #25D366;
  font-weight: 800;
  letter-spacing: 0.5px;
}

/* Barra inferior */
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-bottom-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(37,211,102,0.35);
}
.footer-bottom-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}
.footer-bottom-wa i {
  font-size: 1.1rem;
}

/* ============================
   ANIMACIONES
   ============================ */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================
   RESPONSIVE — TABLET (≤ 900px)
   ============================ */
@media (max-width: 900px) {

  /* Navbar */
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    gap: 36px;
    z-index: 999;
  }
  .nav-links.open a {
    font-size: 1.4rem;
    font-weight: 600;
  }

  /* Hero */
  .hero-content { max-width: 100%; }
  .hero-stats   { flex-wrap: wrap; gap: 24px; }

  /* Servicios */
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  /* Beneficios */
  .benefits-grid { grid-template-columns: 1fr 1fr; }

  /* Infraestructura */
  .infra-main     { grid-template-columns: 1fr; }
  .infra-features { grid-template-columns: 1fr 1fr; }

  /* Precios */
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card.featured { transform: scale(1); }
  .price-card.featured:hover { transform: translateY(-4px); }

  /* Contacto */
  .contact-wrapper { grid-template-columns: 1fr; }
  .contact-info    { flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .contact-item    { flex: 1 1 200px; }

  /* Footer */
  .footer-inner  { grid-template-columns: 1fr 1fr; }
  .footer-brand  { grid-column: span 2; }
}

/* ============================
   RESPONSIVE — MOBILE (≤ 600px)
   ============================ */
@media (max-width: 600px) {

  /* Espaciado general */
  .section        { padding: 64px 0; }
  .container      { padding: 0 18px; }

  /* Navbar */
  .navbar         { padding: 16px 0; }

  /* Hero */
  .hero           { padding: 96px 0 56px; }
  .badge          { font-size: 0.75rem; padding: 6px 14px; }
  .hero-sub       { font-size: 1rem; }
  .hero-actions   { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats     {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 8px;
    text-align: center;
  }
  .stat-divider   { display: none; }
  .stat           { text-align: center; }
  .stat-num       { font-size: 1.8rem; }

  /* Sección headers */
  .section-header { margin-bottom: 40px; }
  .section-sub    { font-size: 0.95rem; }

  /* Servicios */
  .services-grid  { max-width: 100%; }
  .service-card   { padding: 28px 22px; }

  /* Beneficios */
  .benefits-grid  { grid-template-columns: 1fr; }
  .benefit-item   { padding: 22px 20px; }

  /* Infraestructura */
  .infra-features       { grid-template-columns: 1fr; }
  .infra-big-card       { padding: 28px 22px; }
  .infra-sla            { flex-wrap: wrap; gap: 14px; padding: 14px 16px; justify-content: center; }
  .infra-tech-bar       { padding: 16px 18px; gap: 10px; }
  .infra-tech-bar span  { font-size: 0.78rem; }
  .infra-feat           { padding: 18px 16px; }

  /* Precios */
  .pricing-grid   { max-width: 100%; }
  .price-card     { padding: 28px 22px; }
  .amount         { font-size: 3rem; }
  .billing-toggle { gap: 10px; }
  .save-badge     { display: none; }

  /* CTA Banner */
  .cta-banner     { padding: 60px 0; }
  .cta-inner h2   { font-size: 1.6rem; }
  .cta-inner p    { font-size: 0.95rem; }
  .cta-inner .btn { width: 100%; justify-content: center; }

  /* Contacto */
  .contact-info   { flex-direction: column; }
  .contact-item   { flex: unset; }
  .contact-form   { padding: 24px 18px; }
  .form-row       { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner        { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand        { grid-column: span 1; }
  .footer-brand p      { max-width: 100%; }
  .footer-whatsapp     { width: 100%; }
  .footer              { padding-top: 44px; }
  .footer-bottom       { padding: 16px 18px; flex-direction: column; align-items: center; text-align: center; }
  .footer-bottom-wa    { width: 100%; justify-content: center; }
}