/* ============================================
   4SYSTEM — Sistema de diseño
   Dark mode futurista | Mobile-first
   ============================================ */

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

:root {
  /* Colores */
  --bg-primary: #0a0a0f;
  --bg-secondary: #11121a;
  --bg-tertiary: #1a1b26;
  --surface-glass: rgba(255, 255, 255, 0.04);
  --surface-glass-hover: rgba(255, 255, 255, 0.07);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);

  --accent-primary: #00e5ff;
  --accent-primary-rgb: 0, 229, 255;
  --accent-secondary: #a855f7;
  --accent-secondary-rgb: 168, 85, 247;
  --accent-tertiary: #3b82f6;

  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --gradient-main: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  --gradient-text: linear-gradient(135deg, #00e5ff 0%, #a855f7 50%, #3b82f6 100%);

  /* Tipografía */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Radios */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-glow: 0 0 40px rgba(var(--accent-primary-rgb), 0.3);
  --shadow-glow-soft: 0 0 30px rgba(var(--accent-secondary-rgb), 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.5);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

ul { list-style: none; }

::selection {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* === LAYOUT HELPERS === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-xl);
}

.section__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  padding: 0.4rem 1rem;
  background: rgba(var(--accent-primary-rgb), 0.08);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
  border-radius: var(--radius-full);
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.section__description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.gradient-text {
  background: var(--gradient-text);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn--full { width: 100%; }

.btn--primary {
  background: var(--gradient-main);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(var(--accent-primary-rgb), 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--accent-primary-rgb), 0.5);
}

.btn--primary:hover svg {
  transform: translateX(4px);
}

.btn--primary svg {
  transition: transform var(--transition-base);
}

.btn--ghost {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: var(--border-glass);
  color: var(--text-primary);
}

.btn--ghost:hover {
  background: var(--surface-glass-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

/* === CURSOR PERSONALIZADO === */
.cursor, .cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  mix-blend-mode: difference;
}

.cursor {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease;
}

.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1px solid var(--accent-primary);
  transition: transform 0.4s cubic-bezier(0.2, 0, 0.2, 1), width 0.3s ease, height 0.3s ease;
}

.cursor.hover {
  width: 0;
  height: 0;
}

.cursor-follower.hover {
  width: 60px;
  height: 60px;
  border-color: var(--accent-secondary);
}

@media (hover: none) {
  .cursor, .cursor-follower { display: none; }
}

/* === NAVEGACIÓN === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.75rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}

.nav__logo:hover { color: var(--accent-primary); }
.nav__logo svg { color: var(--accent-primary); }

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  transition: transform var(--transition-base), filter var(--transition-base);
  filter: drop-shadow(0 0 8px rgba(var(--accent-primary-rgb), 0.2));
}

.nav__logo:hover .nav__logo-img {
  transform: rotate(-5deg) scale(1.05);
  filter: hue-rotate(-35deg) saturate(1.3) brightness(1.05)
          drop-shadow(0 0 14px rgba(var(--accent-primary-rgb), 0.7));
}

.nav__menu {
  display: flex;
  gap: 2rem;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient-main);
  transition: width var(--transition-base);
}

.nav__link:hover { color: var(--text-primary); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--accent-primary); }
.nav__link.active::after { width: 100%; }

.nav__cta { padding: 0.625rem 1.25rem; font-size: 0.875rem; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  z-index: 0;
  pointer-events: none;
}

.hero__glow--1 {
  width: 500px;
  height: 500px;
  background: var(--accent-primary);
  top: -200px;
  right: -100px;
  animation: float 15s ease-in-out infinite;
}

.hero__glow--2 {
  width: 400px;
  height: 400px;
  background: var(--accent-secondary);
  bottom: -150px;
  left: -100px;
  animation: float 18s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}

.hero__cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-glass);
  max-width: 680px;
  margin: 0 auto;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-main);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 38px;
  border: 2px solid var(--border-glass);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  padding-top: 8px;
  transition: border-color var(--transition-fast);
}

.hero__scroll:hover { border-color: var(--accent-primary); }

.hero__scroll span {
  display: block;
  width: 3px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* === LOGOS === */
.logos {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  background: var(--bg-secondary);
}

.logos__title {
  text-align: center;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.logos__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.logos__item {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  transition: color var(--transition-fast);
  filter: grayscale(1);
  opacity: 0.6;
}

.logos__item:hover {
  color: var(--text-primary);
  filter: grayscale(0);
  opacity: 1;
}

/* === SERVICES === */
.services {
  padding: var(--space-2xl) 0;
  position: relative;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: minmax(280px, auto);
  gap: var(--space-md);
}

.service-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(var(--accent-primary-rgb), 0.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

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

.service-card:hover::before { opacity: 1; }

.service-card--large {
  grid-column: span 2;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.15), rgba(var(--accent-secondary-rgb), 0.15));
  border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
  transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon {
  transform: rotate(-5deg) scale(1.1);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.service-card__text {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.service-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-card__list li {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.625rem;
  background: rgba(var(--accent-primary-rgb), 0.08);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
}

/* === CAPABILITIES === */
.capabilities {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
  position: relative;
}

.capabilities::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glass-hover), transparent);
}

.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.capability-block {
  position: relative;
  padding: var(--space-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.capability-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.capability-block:hover::before {
  opacity: 1;
}

.capability-block__header {
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-glass);
}

.capability-block__number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  padding: 0.2rem 0.5rem;
  background: rgba(var(--accent-primary-rgb), 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}

.capability-block__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.capability-block__service {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.5;
}

.capability-block__list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.capability-block__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.capability-block__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 8px;
  height: 8px;
  background: var(--gradient-main);
  border-radius: 2px;
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
}

.capability-block__list li:hover {
  color: var(--text-primary);
}

.capability-block__list li:hover::before {
  transform: rotate(45deg) scale(1.3);
}

/* === SECTORS === */
.sectors {
  padding: var(--space-2xl) 0;
  position: relative;
}

.sectors__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.sector {
  padding: var(--space-md);
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
}

.sector:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  background: rgba(var(--accent-primary-rgb), 0.05);
}

.sector__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.1), rgba(var(--accent-secondary-rgb), 0.1));
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  transition: transform var(--transition-base);
}

.sector:hover .sector__icon {
  transform: scale(1.1) rotate(-5deg);
  color: var(--accent-secondary);
}

.sector__icon svg {
  width: 24px;
  height: 24px;
}

.sector h3 {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.sector p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* === FEATURES === */
.features {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
  position: relative;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.feature {
  padding: var(--space-lg);
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
}

.feature__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.1), rgba(var(--accent-secondary-rgb), 0.1));
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
}

.feature__icon svg { width: 24px; height: 24px; }

.feature__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === STATS === */
.stats {
  padding: var(--space-xl) 0;
  position: relative;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
  position: relative;
}

.stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: calc(var(--space-md) * -0.5);
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: var(--border-glass);
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-main);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat__suffix {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-secondary);
  margin-left: -0.25rem;
}

.stat__label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* === PROCESS === */
.process {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  position: relative;
}

.process__step {
  position: relative;
  padding: var(--space-lg);
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.process__step:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
}

.process__number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-primary);
  padding: 0.25rem 0.625rem;
  background: rgba(var(--accent-primary-rgb), 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.process__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.process__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === STACK === */
.stack {
  padding: var(--space-2xl) 0;
}

.stack__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-sm);
}

.stack__item {
  padding: 1.5rem 1rem;
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  cursor: default;
}

.stack__item:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px) scale(1.05);
  background: rgba(var(--accent-primary-rgb), 0.08);
}

/* === PROJECTS === */
.projects {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.project-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-elevated);
}

.project-card__visual {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-primary));
}

.project-card__visual[data-color="cyan"] {
  background: linear-gradient(135deg, #00e5ff 0%, #0080ff 100%);
}

.project-card__visual[data-color="purple"] {
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
}

.project-card__visual[data-color="blue"] {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.project-card__pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.2) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.15) 0%, transparent 40%);
  opacity: 0.6;
}

.project-card__pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, transparent 49%, rgba(255,255,255,0.1) 49%, rgba(255,255,255,0.1) 51%, transparent 51%);
  background-size: 20px 20px;
  opacity: 0.5;
}

.project-card__body {
  padding: var(--space-md);
}

.project-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.project-card__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.project-card__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-glass);
}

.metric__value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-main);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
}

/* === TESTIMONIALS === */
.testimonials {
  padding: var(--space-2xl) 0;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.testimonial {
  padding: var(--space-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-family: var(--font-display);
  font-size: 6rem;
  line-height: 1;
  color: var(--accent-primary);
  opacity: 0.3;
}

.testimonial:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
}

.testimonial__stars {
  color: var(--accent-primary);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.1em;
}

.testimonial__text {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-glass);
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-main);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.testimonial__name {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
}

.testimonial__role {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* === FAQ === */
.faq {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  overflow: hidden;
}

.faq__item[open] {
  border-color: var(--accent-primary);
  background: rgba(var(--accent-primary-rgb), 0.03);
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  list-style: none;
  transition: color var(--transition-fast);
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question:hover { color: var(--accent-primary); }

.faq__icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background: var(--accent-primary);
  border-radius: 1px;
  transition: transform var(--transition-base);
}

.faq__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.faq__icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.faq__item[open] .faq__icon::after {
  transform: translateX(-50%) scaleY(0);
}

.faq__answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === CTA / CONTACT === */
.cta {
  padding: var(--space-2xl) 0;
}

.cta__card {
  position: relative;
  padding: var(--space-2xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-align: center;
}

.cta__glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.2) 0%, transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}

.cta__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.cta__text {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  font-size: 1.0625rem;
}

.cta__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  text-align: left;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__group--full {
  grid-column: span 2;
}

.form__group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  resize: vertical;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.15);
}

.form__group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300e5ff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__success {
  grid-column: span 2;
  text-align: center;
  padding: 1rem;
  background: rgba(var(--accent-primary-rgb), 0.1);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  font-weight: 500;
}

.form__error {
  grid-column: span 2;
  text-align: center;
  padding: 1rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #fca5a5;
  font-weight: 500;
}

.form__honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}

/* === FOOTER === */
.footer {
  padding: var(--space-2xl) 0 var(--space-md);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand .nav__logo {
  margin-bottom: var(--space-sm);
  display: inline-flex;
}

.footer__text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer__title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.footer__list li {
  margin-bottom: 0.5rem;
}

.footer__list a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer__list a:hover { color: var(--accent-primary); }

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.footer__social a:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-glass);
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* === REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .features__grid,
  .stats__grid,
  .process__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .stack__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .projects__grid,
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .stat:not(:last-child)::after {
    display: none;
  }

  .process__step:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.25rem;
    --space-2xl: 4rem;
    --space-xl: 3rem;
  }

  .nav__menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-glass);
    transform: translateY(-150%);
    transition: transform var(--transition-base);
    gap: 1rem;
  }

  .nav__menu.open {
    transform: translateY(0);
  }

  .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .logos__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .services__grid,
  .features__grid,
  .stats__grid,
  .process__grid,
  .projects__grid,
  .testimonials__grid,
  .capabilities__grid,
  .sectors__grid {
    grid-template-columns: 1fr;
  }

  .service-card--large {
    grid-column: span 1;
  }

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

  .cta__form {
    grid-template-columns: 1fr;
  }

  .form__group--full {
    grid-column: span 1;
  }

  .form__success,
  .form__error {
    grid-column: span 1;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    gap: var(--space-md);
  }

  .hero__stat-value {
    font-size: 1.5rem;
  }

  .cta__card {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .stack__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero__cta {
    flex-direction: column;
    width: 100%;
  }

  .hero__cta .btn {
    width: 100%;
  }
}

/* === WHATSAPP FLOTANTE === */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 998;
  cursor: pointer;
  border: none;
  padding: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
  animation: waFloatIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 1.2s both;
}

.wa-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: #25D366;
  opacity: 0.5;
  z-index: -1;
  animation: waPulse 2.4s ease-in-out infinite;
}

.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.65);
}

.wa-float__inner {
  width: 48px;
  height: 48px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.wa-float:hover .wa-float__inner {
  transform: scale(1.05);
}

.wa-float__icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wa-float__close {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  color: #1f2937;
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, background 0.2s ease;
  user-select: none;
}

.wa-float__close:hover {
  background: #f3f4f6;
  transform: scale(1.15) rotate(90deg);
}

.wa-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 0.625rem 1rem;
  border-radius: 10px;
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-body);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateY(-50%) translateX(8px);
}

.wa-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  width: 10px;
  height: 10px;
  background: rgba(10, 10, 15, 0.95);
  transform: translateY(-50%) rotate(45deg);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.wa-float:hover .wa-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.wa-float.is-hidden {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

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

@keyframes waPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.4);
    opacity: 0;
  }
}

@media (max-width: 768px) {
  .wa-float {
    bottom: 1rem;
    right: 1rem;
    width: 56px;
    height: 56px;
  }

  .wa-float__inner {
    width: 42px;
    height: 42px;
    padding: 2px;
  }

  .wa-tooltip {
    display: none;
  }
}

/* === REDUCED MOTION === */
@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;
  }

  .hero__glow,
  .hero__badge-dot,
  .hero__scroll span,
  .wa-float,
  .wa-float::before,
  .cursor, .cursor-follower {
    animation: none;
  }
}