/* =====================================================
   BRUNT Propuesta 3 — Dark Premium
   Fondo negro puro + Orbes verde menta difuminados + Glassmorphism
   ===================================================== */

:root {
  /* Dark palette */
  --color-bg: #050505;
  --color-bg-elevated: #0a0a0a;
  --color-bg-surface: #111111;
  --color-bg-card: #141414;
  --color-bg-input: #1a1a1a;

  --color-text: #f5f5f5;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;
  --color-text-dim: #4b5563;

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.12);

  --color-accent: #10b981;
  --color-accent-bright: #34d399;
  --color-accent-dim: #059669;
  --color-accent-glow: rgba(16, 185, 129, 0.3);
  --color-accent-glow-strong: rgba(16, 185, 129, 0.5);

  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #128c7e;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.65vw, 1.375rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --text-4xl: clamp(2.5rem, 1.8rem + 3.5vw, 5rem);

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: clamp(1.5rem, 5vw, 3rem);

  /* Effects */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow-md: 0 4px 12px -1px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 10px 24px -3px rgb(0 0 0 / 0.5);
  --shadow-glow: 0 0 40px -10px var(--color-accent-glow);
  --shadow-card: 0 0 0 1px var(--color-border), 0 4px 20px rgba(0,0,0,0.4);
  --shadow-card-hover: 0 0 0 1px var(--color-border-hover), 0 8px 32px rgba(0,0,0,0.5);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, video, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px; left: 0;
  background: var(--color-accent);
  color: #000;
  padding: 8px 16px;
  z-index: 10000;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: 0 0 var(--radius-md) 0;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* =====================================================
   Typography
   ===================================================== */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section-title.light { color: var(--color-text); }

.section-subtitle {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-top: var(--space-5);
  max-width: 55ch;
}

.section-subtitle.light { color: var(--color-text-secondary); }

.section {
  padding-block: var(--space-32);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.section::before {
  content: '';
  position: absolute;
  inset: -18% 0;
  z-index: 0;
  pointer-events: none;
  background: var(--section-lights, none);
  opacity: var(--section-lights-opacity, 1);
}

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

.section-header { margin-bottom: var(--space-16); }
.section-header.center { text-align: center; }
.section-header.center .section-title,
.section-header.center .section-subtitle { margin-inline: auto; }

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-light {
  background: linear-gradient(135deg, var(--color-accent-bright), #6ee7b7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 54px;
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.btn-sm { min-height: 48px; padding: var(--space-3) var(--space-4); }
.btn-lg { min-height: 64px; padding: var(--space-5) var(--space-8); font-size: var(--text-base); }
.btn-full { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-dim), var(--color-accent));
  color: #000;
  box-shadow: 0 4px 16px var(--color-accent-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--color-accent-glow-strong);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  box-shadow: none;
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: white;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
}
.btn-whatsapp:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-2px);
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-left: var(--space-1);
}

/* =====================================================
   Header
   ===================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(5, 5, 5, 0.6);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(5, 5, 5, 0.9);
  border-bottom-color: var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
  color: var(--color-text);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-text);
  color: #000;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
}

.brand-logo {
  display: block;
  width: 168px;
  height: auto;
}

.main-nav { display: none; }

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.menu-toggle:hover { background: rgba(255,255,255,0.05); }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-menu { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  z-index: 999;
  background: rgba(5, 5, 5, 0.98);
  backdrop-filter: blur(24px);
  padding: var(--space-8) var(--container-padding);
  transform: translateX(100%);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4) 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

/* =====================================================
   Hero
   ===================================================== */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-8));
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.6;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--color-accent-glow-strong), transparent 70%);
  top: -10%; right: -5%;
  animation: orbFloat 10s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.25), transparent 70%);
  bottom: -10%; left: -5%;
  animation: orbFloat 12s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2), transparent 70%);
  top: 40%; left: 30%;
  animation: orbFloat 8s ease-in-out infinite;
  animation-delay: -3s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-container {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-inline: var(--container-padding);
}

.hero-content {
  max-width: 800px;
  margin-inline: auto;
  position: relative;
}

/* Meta Tech Provider Badge */
.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
  opacity: 0;
}

.meta-icon { width: 16px; height: 16px; color: var(--color-accent); }
.meta-text { letter-spacing: 0.05em; }

/* Floating KPIs */
.hero-kpi-float {
  position: absolute;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-5);
  background: rgba(20, 20, 20, 0.85);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  backdrop-filter: blur(12px);
  animation: badgeFloat 6s ease-in-out infinite;
  min-width: 110px;
  text-align: center;
}

.kpi-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.kpi-label { font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase; }
.kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
}

.kpi-1 { top: -40px; left: 0; animation-delay: 0s; }
.kpi-2 { top: 0; right: 0; animation-delay: -2s; }
.kpi-3 { bottom: 100px; left: 0; animation-delay: -4s; }

@media (min-width: 1100px) {
  .hero-kpi-float { display: flex; }
  .kpi-1 { top: 16px; left: 0; }
  .kpi-2 { top: 72px; right: 0; }
  .kpi-3 { bottom: 24px; left: 24px; }
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  max-width: 55ch;
  margin-inline: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.scroll-icon {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-icon svg { width: 14px; height: 14px; }

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* =====================================================
   Trust Bar
   ===================================================== */
.trust-bar {
  padding-block: var(--space-16);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 80% 120% at 8% 50%, rgba(16, 185, 129, 0.09), transparent 48%),
    radial-gradient(ellipse 70% 110% at 92% 45%, rgba(52, 211, 153, 0.07), transparent 48%),
    var(--color-bg-elevated);
  overflow: hidden;
}

.trust-bar-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.trust-bar-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.marquee {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: var(--space-12);
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
  will-change: transform;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.client-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-dim);
  white-space: nowrap;
  transition: color var(--transition-base);
}

.client-logo:hover { color: var(--color-accent); }

.client-logo-img {
  max-height: 28px;
  max-width: 120px;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.client-logo-img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* =====================================================
   Features
   ===================================================== */
.features {
  background: var(--color-bg-elevated);
  --section-lights:
    radial-gradient(ellipse 72% 54% at 8% 16%, rgba(16, 185, 129, 0.12), transparent 58%),
    radial-gradient(ellipse 50% 42% at 92% 70%, rgba(52, 211, 153, 0.08), transparent 56%),
    linear-gradient(115deg, transparent 0%, rgba(16, 185, 129, 0.035) 42%, transparent 70%);
}

.features-grid {
  display: grid;
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

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

.feature-card-large {
  grid-column: 1 / -1;
}

.feature-content { flex: 1; }

.feature-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.feature-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}
.feature-link:hover { gap: var(--space-3); }
.feature-link svg { width: 16px; height: 16px; }

.feature-visual {
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}

.service-svg {
  width: min(100%, 260px);
  height: auto;
  overflow: visible;
}

.service-svg-wide {
  width: min(100%, 380px);
}

.svg-panel,
.svg-phone,
.svg-card,
.svg-node-box {
  fill: rgba(255, 255, 255, 0.045);
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 2;
}

.svg-card,
.svg-node-box {
  fill: rgba(16, 185, 129, 0.08);
}

.svg-bar-soft {
  fill: rgba(255, 255, 255, 0.18);
}

.svg-bar,
.svg-chip {
  fill: var(--color-accent);
  opacity: 0.9;
}

.svg-line,
.svg-spokes path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.8;
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.35));
}

.svg-node,
.svg-hub,
.svg-node-dot {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 12px rgba(16, 185, 129, 0.45));
}

.svg-hub {
  stroke: rgba(255, 255, 255, 0.18);
  stroke-width: 2;
}

.svg-label {
  fill: #050505;
  font: 700 13px var(--font-sans);
  letter-spacing: 0;
}

.svg-node-box + .svg-label {
  fill: var(--color-text);
  font-size: 12px;
}

/* Visual mockups */
.viz-dashboard {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  width: 100%;
  max-width: 340px;
}

.viz-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.viz-dots { display: flex; gap: 4px; }
.viz-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border);
}
.viz-dots span:nth-child(1) { background: #ef4444; }
.viz-dots span:nth-child(2) { background: #f59e0b; }
.viz-dots span:nth-child(3) { background: var(--color-accent); }

.viz-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
}

.viz-chart-area { display: flex; align-items: flex-end; gap: 8px; height: 100px; }

.viz-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  width: 100%;
}

.viz-bar {
  flex: 1;
  height: var(--h);
  background: rgba(255,255,255,0.08);
  border-radius: 4px 4px 0 0;
  transition: background var(--transition-base);
}

.viz-bar.active {
  background: linear-gradient(to top, var(--color-accent-dim), var(--color-accent));
  box-shadow: 0 0 16px var(--color-accent-glow);
}

.viz-glow-card {
  position: relative;
  width: 100px; height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viz-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-glow), transparent 70%);
  filter: blur(20px);
}

.viz-icon-wrap {
  position: relative;
  z-index: 1;
  width: 48px; height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-accent-dim), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.viz-icon-wrap svg { width: 22px; height: 22px; }

.viz-phone {
  width: 70px; height: 120px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
}

.viz-screen {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  height: 100%;
}

.viz-avatar-row {
  display: flex;
  gap: -4px;
}

.viz-avatar {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-bg-card);
  margin-left: -6px;
}
.viz-avatar:first-child { margin-left: 0; }

.viz-line {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  width: 100%;
}
.viz-line.short { width: 60%; }

.viz-pulse-ring {
  position: relative;
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pulse-core {
  position: absolute;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-glow-strong);
  z-index: 2;
}

.pulse-wave {
  position: absolute;
  width: 100%; height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  opacity: 0;
  animation: pulseWave 3s ease-out infinite;
}

.pulse-wave:nth-child(2) { animation-delay: 1s; }

@keyframes pulseWave {
  0% { transform: scale(0.4); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

.viz-nodes {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.viz-node {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
}

.viz-conn {
  width: 24px; height: 2px;
  background: var(--color-border-strong);
  position: relative;
}

.viz-conn::after {
  content: '';
  position: absolute;
  right: 0; top: -3px;
  width: 6px; height: 6px;
  border-top: 2px solid var(--color-border-strong);
  border-right: 2px solid var(--color-border-strong);
  transform: rotate(45deg);
}

/* =====================================================
   Bento Grid / Process
   ===================================================== */
.bento {
  background: var(--color-bg);
  --section-lights:
    radial-gradient(ellipse 58% 42% at 76% 8%, rgba(16, 185, 129, 0.11), transparent 58%),
    radial-gradient(ellipse 46% 48% at 10% 84%, rgba(5, 150, 105, 0.09), transparent 56%),
    linear-gradient(150deg, rgba(52, 211, 153, 0.045), transparent 38%, rgba(16, 185, 129, 0.035) 82%, transparent 100%);
}

.bento-grid {
  display: grid;
  gap: var(--space-6);
}

.bento-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.bento-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.bento-card-large {
  grid-column: 1 / -1;
}

.bento-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  opacity: 0.5;
  line-height: 1;
}

.bento-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.bento-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.bento-visual {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
}

.bento-bar {
  flex: 1;
  height: var(--h);
  background: rgba(255,255,255,0.06);
  border-radius: 4px 4px 0 0;
}

.bento-bar.highlight {
  background: linear-gradient(to top, var(--color-accent-dim), var(--color-accent));
  box-shadow: 0 0 16px var(--color-accent-glow);
}

/* =====================================================
   Tech Band
   ===================================================== */
.tech-band {
  background: var(--color-bg-surface);
  --section-lights:
    radial-gradient(ellipse 75% 56% at 50% 0%, rgba(52, 211, 153, 0.13), transparent 62%),
    radial-gradient(ellipse 46% 58% at 4% 64%, rgba(16, 185, 129, 0.08), transparent 58%),
    radial-gradient(ellipse 44% 52% at 96% 84%, rgba(6, 95, 70, 0.12), transparent 58%);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  max-width: 1040px;
  margin-inline: auto;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  min-height: 220px;
  padding: var(--space-6);
  background:
    radial-gradient(circle at 18% 12%, rgba(16, 185, 129, 0.12), transparent 34%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.tech-item:hover {
  border-color: var(--color-accent);
  background: rgba(16, 185, 129, 0.05);
  transform: translateY(-2px);
}

.tech-item svg {
  width: 28px; height: 28px;
  color: var(--color-accent);
}

.tech-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.tech-item span {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* =====================================================
   Stats
   ===================================================== */
.stats-section {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-16);
  --section-lights:
    linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.08) 50%, transparent),
    radial-gradient(ellipse 42% 180% at 50% 50%, rgba(52, 211, 153, 0.08), transparent 62%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

/* =====================================================
   Testimonials Slider
   ===================================================== */
.testimonial-section {
  background: var(--color-bg);
  --section-lights:
    radial-gradient(ellipse 56% 48% at 18% 18%, rgba(6, 95, 70, 0.14), transparent 60%),
    radial-gradient(ellipse 62% 46% at 88% 72%, rgba(16, 185, 129, 0.1), transparent 58%),
    linear-gradient(180deg, transparent, rgba(16, 185, 129, 0.035) 48%, transparent);
}

.testimonial-slider {
  max-width: 800px;
  margin-inline: auto;
}

.testimonial-track {
  position: relative;
  overflow: hidden;
  min-height: 340px;
}

.testimonial-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.testimonial-slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  color: #fbbf24;
}

.star-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: white;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.testimonial-name {
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.testimonial-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.testimonial-btn:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.testimonial-btn svg { width: 18px; height: 18px; }

.testimonial-dots {
  display: flex;
  gap: var(--space-2);
}

.testimonial-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-border-strong);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.testimonial-dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: var(--radius-full);
}

/* =====================================================
   CTA Final
   ===================================================== */
.cta-final {
  padding-block: var(--space-16);
  --section-lights:
    radial-gradient(ellipse 78% 72% at 50% 44%, rgba(16, 185, 129, 0.15), transparent 64%),
    radial-gradient(ellipse 42% 46% at 12% 72%, rgba(52, 211, 153, 0.08), transparent 58%),
    radial-gradient(ellipse 42% 46% at 88% 18%, rgba(5, 150, 105, 0.1), transparent 58%);
}

.cta-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-3xl);
  padding: clamp(var(--space-10), 8vw, var(--space-20));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08), transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-inline: auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.cta-text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  background:
    radial-gradient(ellipse 70% 90% at 10% 0%, rgba(16, 185, 129, 0.08), transparent 56%),
    radial-gradient(ellipse 54% 80% at 90% 100%, rgba(52, 211, 153, 0.055), transparent 58%),
    var(--color-bg-elevated);
  color: var(--color-text-secondary);
  padding-top: var(--space-20);
  padding-bottom: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .footer-grid { gap: var(--space-12); }
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-4);
}

.footer-logo-img {
  display: block;
  width: 172px;
  height: auto;
  margin-bottom: var(--space-4);
}

.footer-slogan {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  max-width: 32ch;
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-accent);
}

.social-link .icon { width: 18px; height: 18px; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* =====================================================
   WhatsApp Sticky
   ===================================================== */
.whatsapp-sticky {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 900;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
  transition: all var(--transition-base);
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-bubble {
  position: absolute;
  right: 68px;
  bottom: 6px;
  width: max-content;
  max-width: min(280px, calc(100vw - 116px));
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(8, 12, 10, 0.94);
  border: 1px solid rgba(52, 211, 153, 0.22);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1.35;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.32), 0 0 24px rgba(16, 185, 129, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateX(12px) translateY(4px) scale(0.96);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.whatsapp-bubble::after {
  content: '';
  position: absolute;
  right: -6px;
  bottom: 18px;
  width: 12px;
  height: 12px;
  background: rgba(8, 12, 10, 0.94);
  border-right: 1px solid rgba(52, 211, 153, 0.22);
  border-bottom: 1px solid rgba(52, 211, 153, 0.22);
  transform: rotate(-45deg);
}

.whatsapp-bubble.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0) translateY(0) scale(1);
}

.whatsapp-sticky:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  animation: none;
}

.whatsapp-icon { width: 26px; height: 26px; }

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3); }
  50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.5); }
}

/* =====================================================
   Scroll Reveal
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal.visible:nth-child(1) { transition-delay: 0ms; }
.reveal.visible:nth-child(2) { transition-delay: 80ms; }
.reveal.visible:nth-child(3) { transition-delay: 160ms; }
.reveal.visible:nth-child(4) { transition-delay: 240ms; }
.reveal.visible:nth-child(5) { transition-delay: 320ms; }

/* Hero load */
.hero-title, .hero-subtitle, .hero-actions {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-title { animation-delay: 0.2s; }
.hero-subtitle { animation-delay: 0.4s; }
.hero-actions { animation-delay: 0.6s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   Responsive
   ===================================================== */
@media (min-width: 640px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .main-nav { display: block; }
  .menu-toggle { display: none; }
  .mobile-menu { display: none; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-large { grid-column: 1 / -1; flex-direction: row; align-items: center; }
  .feature-card-large .feature-content { flex: 1; }
  .feature-card-large .feature-visual { flex: 1; }

  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-card-large { grid-column: 1 / 3; }

  .footer-grid { grid-template-columns: 1.5fr repeat(3, 1fr); }

  .hero-badge-float { display: flex; }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-card-large { grid-column: 1 / 3; }
  .bento-grid { grid-template-columns: repeat(3, 1fr); }
  .bento-card-large { grid-column: 1 / 3; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 767px) {
  .hero-badge-float { display: none; }
  .brand-logo { width: 132px; }
  .nav-actions .btn { display: none; }
  .hero-scroll { bottom: 20px; }
  .feature-visual {
    min-height: 156px;
    padding: var(--space-5);
  }
  .integration-svg {
    width: min(100%, 248px);
    max-height: 170px;
  }
  .integration-svg .svg-node-box {
    fill: rgba(16, 185, 129, 0.13);
    stroke: rgba(52, 211, 153, 0.3);
  }
  .integration-svg g .svg-label {
    display: none;
  }
  .integration-svg .svg-hub {
    r: 38px;
  }
  .integration-svg .svg-spokes path {
    stroke-width: 2;
    opacity: 0.6;
  }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-item { min-height: 0; }
  .whatsapp-sticky {
    right: 16px;
    bottom: 16px;
  }
  .whatsapp-bubble {
    right: 64px;
    max-width: min(248px, calc(100vw - 100px));
  }
}

/* =====================================================
   Accessibility
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

::selection {
  background: rgba(16, 185, 129, 0.3);
  color: var(--color-text);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-elevated); }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }