/* ============================================
   ASSO — Design System
   Modern dark premium aesthetic
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors — Dark palette */
  --color-bg-primary: #0a0e17;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1a2235;
  --color-bg-card: rgba(17, 24, 39, 0.6);
  --color-bg-glass: rgba(255, 255, 255, 0.04);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.08);
  --color-border-glass: rgba(255, 255, 255, 0.08);
  --color-border-glass-hover: rgba(255, 255, 255, 0.15);

  /* Text */
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-accent: #38bdf8;

  /* Accent colors — ASSO brand */
  --color-cyan: #22d3ee;
  --color-cyan-dim: rgba(34, 211, 238, 0.15);
  --color-emerald: #34d399;
  --color-emerald-dim: rgba(52, 211, 153, 0.15);
  --color-amber: #fbbf24;
  --color-amber-dim: rgba(251, 191, 36, 0.15);
  --color-blue: #3b82f6;
  --color-blue-dim: rgba(59, 130, 246, 0.15);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0a0e17 0%, #0f172a 50%, #0c1425 100%);
  --gradient-mesh-1: radial-gradient(ellipse at 20% 50%, rgba(34, 211, 238, 0.08) 0%, transparent 60%);
  --gradient-mesh-2: radial-gradient(ellipse at 80% 20%, rgba(52, 211, 153, 0.06) 0%, transparent 60%);
  --gradient-mesh-3: radial-gradient(ellipse at 50% 80%, rgba(251, 191, 36, 0.05) 0%, transparent 60%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-display: clamp(2.5rem, 5vw, 4.5rem);

  /* 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;

  /* Borders */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-glow-cyan: 0 0 30px rgba(34, 211, 238, 0.15);
  --shadow-glow-emerald: 0 0 30px rgba(52, 211, 153, 0.15);
  --shadow-glow-amber: 0 0 30px rgba(251, 191, 36, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 900px;
  --nav-height: 72px;
}


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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-cyan);
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}


/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
}


/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-display); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

.text-gradient--amber {
  background: linear-gradient(135deg, var(--color-amber), #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-label--cyan { color: var(--color-cyan); }
.section-label--emerald { color: var(--color-emerald); }
.section-label--amber { color: var(--color-amber); }

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: currentColor;
}


/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-cyan), #06b6d4);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 15px rgba(34, 211, 238, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34, 211, 238, 0.4);
  color: var(--color-bg-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-glass-hover);
}

.btn--outline:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  transform: translateY(-2px);
}

.btn--emerald {
  background: linear-gradient(135deg, var(--color-emerald), #10b981);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 15px rgba(52, 211, 153, 0.3);
}

.btn--emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(52, 211, 153, 0.4);
  color: var(--color-bg-primary);
}

.btn--amber {
  background: linear-gradient(135deg, var(--color-amber), #f59e0b);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.btn--amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
  color: var(--color-bg-primary);
}

.btn--whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
  background: linear-gradient(135deg, #2ae26e, #159d8d);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  color: #ffffff;
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--font-size-base);
}

.btn .btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}


/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-slow);
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border-glass);
  box-shadow: var(--shadow-lg);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__logo {
  height: 32px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.8;
}

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

.nav__link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text-primary);
  background: var(--color-bg-glass-hover);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--color-cyan);
  border-radius: 1px;
  transition: transform var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav__cta {
  margin-left: var(--space-2);
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-full);
  padding: 3px 8px;
  margin-left: var(--space-3);
  backdrop-filter: blur(10px);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
  cursor: pointer;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  line-height: 1;
}

.lang-btn:hover {
  color: var(--color-text-primary);
}

.lang-btn.active {
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
}

.lang-divider {
  color: var(--color-border-glass);
  font-size: 11px;
  font-weight: 400;
  user-select: none;
}

/* Mobile menu */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}


/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    var(--gradient-mesh-1),
    var(--gradient-mesh-2);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg-primary), transparent);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 6px 16px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-cyan);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
  width: fit-content;
  letter-spacing: 0.03em;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
}

.hero__badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.7);
  animation: pulse-dot-cyan 2s infinite;
}

@keyframes pulse-dot-cyan {
  0% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(34, 211, 238, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}

.hero__title {
  font-size: var(--font-size-display);
  font-weight: 800;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__grid-bg {
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 100%;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(500px) rotateY(-15deg);
  pointer-events: none;
}

.hero__floating-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero__floating-orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(34, 211, 238, 0.08);
  top: 10%;
  right: 10%;
}

.hero__floating-orb--2 {
  width: 300px;
  height: 300px;
  background: rgba(52, 211, 153, 0.06);
  bottom: 20%;
  right: 25%;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(15px, -20px); }
  66% { transform: translate(-10px, 10px); }
}


/* --- Section Base --- */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section--lg {
  padding: var(--space-32) 0;
}

.section__header {
  margin-bottom: var(--space-16);
}

.section__header--center {
  text-align: center;
}

.section__title {
  margin-bottom: var(--space-4);
}

.section__description {
  font-size: var(--font-size-lg);
  max-width: 600px;
}

.section__header--center .section__description {
  margin: 0 auto;
}


/* --- Somos / About --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-bottom: var(--space-16);
}

.about__text p {
  margin-bottom: var(--space-4);
}

.about__text p strong {
  color: var(--color-text-primary);
}

.about__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.about__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about__image:hover img {
  transform: scale(1.03);
}

.about__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), transparent);
  pointer-events: none;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.stat-card {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-glass-hover);
  transform: translateY(-4px);
}

.stat-card__number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* --- Feature Cards (Servicios pilares) --- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.feature-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  transition: all var(--transition-base);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--color-cyan));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

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

.feature-card:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-glass-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.feature-card--cyan { --card-accent: var(--color-cyan); }
.feature-card--emerald { --card-accent: var(--color-emerald); }
.feature-card--amber { --card-accent: var(--color-amber); }

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: var(--font-size-2xl);
}

.feature-card--cyan .feature-card__icon {
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
}

.feature-card--emerald .feature-card__icon {
  background: var(--color-emerald-dim);
  color: var(--color-emerald);
}

.feature-card--amber .feature-card__icon {
  background: var(--color-amber-dim);
  color: var(--color-amber);
}

.feature-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.feature-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}


/* --- Services Detail (Expandable) --- */
.services-section {
  position: relative;
}

.services-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh-1), var(--gradient-mesh-3);
  pointer-events: none;
}

.services__tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-full);
  padding: var(--space-1);
  width: fit-content;
}

.services__tab {
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.services__tab:hover {
  color: var(--color-text-primary);
}

.services__tab.active {
  background: var(--tab-color, var(--color-cyan));
  color: var(--color-bg-primary);
}

.services__tab--cyan { --tab-color: var(--color-cyan); }
.services__tab--emerald { --tab-color: var(--color-emerald); }
.services__tab--amber { --tab-color: var(--color-amber); }

.services__panel {
  display: none;
}

.services__panel.active {
  display: block;
  animation: fadeSlideUp 0.4s ease;
}

.services__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-item {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.service-item:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-glass-hover);
  transform: translateY(-2px);
}

.service-item__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.service-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.service-item__dot--cyan { background: var(--color-cyan); }
.service-item__dot--emerald { background: var(--color-emerald); }
.service-item__dot--amber { background: var(--color-amber); }

.service-item__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}


/* --- Process / Timeline --- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: var(--space-8);
  padding-top: var(--space-12);
  border-radius: var(--radius-xl);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  transition: all var(--transition-base);
  counter-increment: step;
}

.process-step:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-cyan);
}

.process-step::before {
  content: counter(step);
  position: absolute;
  top: var(--space-6);
  left: var(--space-8);
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-cyan);
  opacity: 0.2;
  line-height: 1;
}

.process-step__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.process-step__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}


/* --- Clients Marquee --- */
.clients {
  position: relative;
  overflow: hidden;
  padding: var(--space-20) 0;
  background: var(--color-bg-secondary);
}

.clients__track {
  display: flex;
  gap: var(--space-8);
  animation: marquee 35s linear infinite;
  width: max-content;
}

.clients__track:hover {
  animation-play-state: paused;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 90px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.client-logo:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.06);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.client-logo img {
  max-height: 72px;
  max-width: 156px;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(30%) contrast(1.05);
  transition: filter var(--transition-base);
}

.client-logo:hover img {
  filter: grayscale(0%) contrast(1.1);
}

.clients__fade-left,
.clients__fade-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.clients__fade-left {
  left: 0;
  background: linear-gradient(to right, var(--color-bg-secondary), transparent);
}

.clients__fade-right {
  right: 0;
  background: linear-gradient(to left, var(--color-bg-secondary), transparent);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* --- Contact Section --- */
.contact {
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    var(--gradient-mesh-1),
    var(--gradient-mesh-2);
  pointer-events: none;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  position: relative;
  z-index: 1;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact__detail {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--font-size-xl);
}

.contact__detail-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact__detail-value {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

.contact__detail-value a {
  color: var(--color-text-primary);
}

.contact__detail-value a:hover {
  color: var(--color-cyan);
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

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

.form__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form__input,
.form__textarea {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-glass);
  background: var(--color-bg-glass);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
  background: var(--color-bg-glass-hover);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__submit {
  align-self: flex-start;
}

.form__status {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: none;
}

.form__status--success {
  display: block;
  background: var(--color-emerald-dim);
  color: var(--color-emerald);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.form__status--error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* --- WhatsApp Card (Direct Contact) --- */
.whatsapp-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(18, 140, 126, 0.15), rgba(17, 24, 39, 0.8));
  border: 1px solid rgba(37, 211, 102, 0.3);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(37, 211, 102, 0.1);
}

.whatsapp-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.whatsapp-card__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.3);
  color: #25D366;
  font-size: var(--font-size-xs);
  font-weight: 600;
  width: fit-content;
}

.whatsapp-card__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.25;
}

.whatsapp-card__text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.whatsapp-card__number-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(37, 211, 102, 0.25);
  border-radius: var(--radius-lg);
  color: #25D366;
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.02em;
  width: fit-content;
}

.whatsapp-card__btn {
  align-self: flex-start;
  margin-top: var(--space-2);
}

.whatsapp-card__chips {
  margin-top: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-glass);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.whatsapp-card__chip-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.whatsapp-card__chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.whatsapp-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.whatsapp-chip:hover {
  background: rgba(37, 211, 102, 0.15);
  border-color: #25D366;
  color: #25D366;
  transform: translateY(-2px);
}

.contact__detail-icon--whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: #25D366;
}


/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border-glass);
  padding: var(--space-16) 0 var(--space-8);
  background: var(--color-bg-secondary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__logo {
  height: 36px;
  margin-bottom: var(--space-4);
  opacity: 0.8;
}

.footer__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 320px;
  line-height: 1.6;
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

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

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

/* --- Footer Affiliation / Cluster TIC --- */
.footer__affiliation {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border-glass);
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__affiliation-inner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.footer__affiliation-inner:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 4px 20px -4px rgba(0, 212, 255, 0.15);
}

.footer__affiliation-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.cluster-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.96);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cluster-badge:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.cluster-badge__logo {
  height: 22px;
  width: auto;
  display: block;
  object-fit: contain;
}

.cluster-badge__icon {
  color: #BE1E2D;
  transition: transform var(--transition-fast);
}

.cluster-badge:hover .cluster-badge__icon {
  transform: translate(1px, -1px);
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}


/* --- Floating WhatsApp Button & Back to Top --- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  z-index: 950;
  transition: all var(--transition-spring);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  background: rgba(10, 14, 23, 0.95);
  color: var(--color-text-primary);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid rgba(37, 211, 102, 0.35);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateX(8px);
  transition: all var(--transition-fast);
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

.back-to-top {
  position: fixed;
  bottom: calc(var(--space-8) + 70px);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  backdrop-filter: blur(10px);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-cyan);
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: var(--space-5);
    right: var(--space-5);
    width: 52px;
    height: 52px;
  }
  .whatsapp-float__tooltip {
    display: none;
  }
  .back-to-top {
    bottom: calc(var(--space-5) + 62px);
    right: var(--space-5);
    width: 40px;
    height: 40px;
  }
}


/* --- Empleo Page --- */
.empleo-hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: var(--gradient-hero);
  position: relative;
}

.empleo-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh-1);
  pointer-events: none;
}

.empleo__content {
  position: relative;
  z-index: 1;
}

.empleo__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.empleo__intro p {
  font-size: var(--font-size-lg);
}

.empleo-form {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-10);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
}

.form__file-input {
  position: relative;
}

.form__file-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-6);
  border: 2px dashed var(--color-border-glass-hover);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.form__file-label:hover {
  border-color: var(--color-cyan);
  background: var(--color-bg-glass-hover);
  color: var(--color-cyan);
}

.form__file-label input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  cursor: pointer;
}


/* --- Responsive --- */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: 1fr;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .process__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8);
    z-index: 999;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links .nav__link {
    font-size: var(--font-size-xl);
    padding: var(--space-3) var(--space-4);
  }

  .nav__links .nav__cta {
    margin-left: 0;
    margin-top: var(--space-4);
  }

  .nav__toggle {
    display: flex;
  }

  .hero__title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero__actions {
    flex-direction: column;
  }

  .about__stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .services__tabs {
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .services__tabs::-webkit-scrollbar {
    display: none;
  }

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

  .section {
    padding: var(--space-16) 0;
  }

  .section--lg {
    padding: var(--space-20) 0;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__affiliation-inner {
    border-radius: var(--radius-lg);
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

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

  .empleo-form {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .client-logo {
    width: 130px;
    height: 65px;
  }
}


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

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }