/* ============================================
   ENAVE LABS — Main Stylesheet
   Engineering the evolution of ideas.
   ============================================ */

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

:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #0d1220;
  --bg-card: #111827;
  --bg-card-hover: #161f35;
  --bg-surface: #0f1624;

  --accent-blue: #2563eb;
  --accent-blue-bright: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.15);
  --accent-teal: #0d9488;
  --accent-teal-light: #14b8a6;
  --accent-teal-glow: rgba(20, 184, 166, 0.12);

  --text-white: #f8fafc;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --border-subtle: rgba(255,255,255,0.06);
  --border-accent: rgba(59, 130, 246, 0.3);
  --border-teal: rgba(20, 184, 166, 0.25);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.2);
  --shadow-glow-teal: 0 0 40px rgba(20, 184, 166, 0.15);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* --- Lang visibility --- */
[data-lang] { display: none !important; }

/* Block-level elements */
body.lang-en section[data-lang="en"],
body.lang-es section[data-lang="es"],
body.lang-en div[data-lang="en"],
body.lang-es div[data-lang="es"],
body.lang-en p[data-lang="en"],
body.lang-es p[data-lang="es"],
body.lang-en h1[data-lang="en"],
body.lang-es h1[data-lang="es"],
body.lang-en h2[data-lang="en"],
body.lang-es h2[data-lang="es"],
body.lang-en h3[data-lang="en"],
body.lang-es h3[data-lang="es"],
body.lang-en blockquote[data-lang="en"],
body.lang-es blockquote[data-lang="es"],
body.lang-en ul[data-lang="en"],
body.lang-es ul[data-lang="es"],
body.lang-en li[data-lang="en"],
body.lang-es li[data-lang="es"],
body.lang-en form[data-lang="en"],
body.lang-es form[data-lang="es"] { display: block !important; }

/* Inline / flex elements */
body.lang-en a[data-lang="en"],
body.lang-es a[data-lang="es"],
body.lang-en span[data-lang="en"],
body.lang-es span[data-lang="es"],
body.lang-en button[data-lang="en"],
body.lang-es button[data-lang="es"] { display: inline !important; }

/* Special flex containers */
body.lang-en .nav-links li a[data-lang="en"],
body.lang-es .nav-links li a[data-lang="es"],
body.lang-en .hero-actions > a[data-lang="en"],
body.lang-es .hero-actions > a[data-lang="es"],
body.lang-en .contact-actions > a[data-lang="en"],
body.lang-es .contact-actions > a[data-lang="es"] { display: inline-flex !important; }

/* Section labels — flex */
body.lang-en .section-label[data-lang="en"],
body.lang-es .section-label[data-lang="es"] { display: inline-flex !important; }

/* Portfolio filter buttons */
body.lang-en .filter-btn[data-lang="en"],
body.lang-es .filter-btn[data-lang="es"] { display: inline-block !important; }

/* Mobile menu links */
body.lang-en .mobile-menu a[data-lang="en"],
body.lang-es .mobile-menu a[data-lang="es"],
body.lang-en .mobile-menu .btn-primary[data-lang="en"],
body.lang-es .mobile-menu .btn-primary[data-lang="es"] { display: block !important; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 3px; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 13, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border-subtle);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: white;
  letter-spacing: -0.5px;
  position: relative;
  overflow: hidden;
}

.nav-logo-mark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.5px;
}

.nav-logo-sub {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--accent-teal-light);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 100%;
  height: 1px;
  background: var(--accent-blue-bright);
  transition: var(--transition);
}

.nav-links a:hover { color: var(--text-white); }
.nav-links a:hover::after { right: 0; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: var(--transition);
  font-family: var(--font-sans);
}

.lang-btn.active {
  background: var(--accent-blue);
  color: white;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.nav-cta {
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.25);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(10, 13, 20, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 2rem;
  z-index: 999;
  display: none;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(-10px);
  opacity: 0;
  transition: var(--transition);
}

.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.mobile-menu a:hover { color: var(--text-white); }

.mobile-menu-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.5rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

/* Blueprint / Grid animated background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(37,99,235,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 20% 70%, rgba(13,148,136,0.08) 0%, transparent 60%);
}

/* Blueprint lines SVG */
.hero-blueprint {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  opacity: 0.06;
  pointer-events: none;
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 12s ease-in-out infinite;
}

.orb-1 {
  width: 400px; height: 400px;
  background: rgba(37, 99, 235, 0.15);
  top: -100px; right: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px; height: 300px;
  background: rgba(13, 148, 136, 0.1);
  bottom: 0; left: 5%;
  animation-delay: -4s;
}

.orb-3 {
  width: 200px; height: 200px;
  background: rgba(59, 130, 246, 0.1);
  top: 30%; left: 40%;
  animation-delay: -8s;
}

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

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--accent-blue-bright);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--accent-blue-bright);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-headline {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  max-width: 780px;
}

.hero-headline span.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue-bright) 0%, var(--accent-teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subheadline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
  letter-spacing: 0.2px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(59, 130, 246, 0.5);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(37, 211, 102, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  background: transparent;
  color: var(--text-light);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-subtle);
}

.hero-meta-item .dot {
  width: 4px; height: 4px;
  background: var(--accent-teal-light);
  border-radius: 50%;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-subtle);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: var(--font-mono);
  animation: fadeInUp 2s ease-out 1s both;
}

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   SECTIONS — General
   ============================================ */
section {
  padding: 100px 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-teal-light);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '//';
  color: var(--accent-blue);
  font-weight: 700;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-content { max-width: 520px; }

.about-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 1.5rem 0 2.5rem;
}

.about-highlight {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-light);
  font-style: italic;
  border-left: 2px solid var(--accent-blue);
  padding-left: 1.2rem;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.pillar {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  transition: var(--transition);
}

.pillar:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.pillar-icon {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.pillar-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 3px;
}

.pillar-desc {
  font-size: 12px;
  color: var(--text-subtle);
}

.about-visual {
  position: relative;
}

.about-card-stack {
  position: relative;
  height: 420px;
}

.about-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}

.about-card-main {
  width: 100%;
  top: 0; left: 0;
  z-index: 3;
  border-color: var(--border-accent);
}

.about-card-back1 {
  width: 92%;
  top: 14px;
  left: 4%;
  z-index: 2;
  opacity: 0.5;
}

.about-card-back2 {
  width: 84%;
  top: 28px;
  left: 8%;
  z-index: 1;
  opacity: 0.25;
}

.about-stat {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 1.5rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-blue-bright);
  line-height: 1;
  font-family: var(--font-mono);
}

.stat-unit {
  font-size: 1.2rem;
  color: var(--accent-teal-light);
  margin-bottom: 6px;
  font-weight: 700;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 5px 12px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: 50px;
  font-size: 11.5px;
  color: var(--accent-blue-bright);
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

.tag.teal {
  background: rgba(13, 148, 136, 0.08);
  border-color: var(--border-teal);
  color: var(--accent-teal-light);
}

.about-location {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-subtle);
}

.about-location span { color: var(--accent-teal-light); }

/* ============================================
   LABS SECTION
   ============================================ */
.labs {
  position: relative;
  overflow: hidden;
}

.labs-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 5rem;
}

.labs-intro .section-label { justify-content: center; }
.labs-intro .section-subtitle { margin: 0 auto; }

.labs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.lab-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  transition: var(--transition);
}

.lab-card.digital::before { background: linear-gradient(90deg, var(--accent-blue), var(--accent-teal)); }
.lab-card.creative::before { background: linear-gradient(90deg, #a855f7, #ec4899); }
.lab-card.space::before { background: linear-gradient(90deg, var(--accent-teal), #10b981); }

.lab-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.lab-card.digital:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow-blue); }
.lab-card.creative:hover { border-color: rgba(168, 85, 247, 0.3); box-shadow: 0 0 40px rgba(168, 85, 247, 0.12); }
.lab-card.space:hover { border-color: var(--border-teal); box-shadow: var(--shadow-glow-teal); }

.lab-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.lab-card.digital .lab-icon { background: rgba(37, 99, 235, 0.12); }
.lab-card.creative .lab-icon { background: rgba(168, 85, 247, 0.12); }
.lab-card.space .lab-icon { background: rgba(13, 148, 136, 0.12); }

.lab-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding: 4px 10px;
  border-radius: 50px;
}

.lab-card.digital .lab-badge { color: var(--accent-blue-bright); background: rgba(37,99,235,0.08); border: 1px solid var(--border-accent); }
.lab-card.creative .lab-badge { color: #c084fc; background: rgba(168,85,247,0.08); border: 1px solid rgba(168,85,247,0.25); }
.lab-card.space .lab-badge { color: var(--accent-teal-light); background: var(--accent-teal-glow); border: 1px solid var(--border-teal); }

.lab-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.3px;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.lab-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.8rem;
}

.lab-services {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 2rem;
}

.lab-services li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.lab-services li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.lab-card.digital .lab-services li::before { background: var(--accent-blue-bright); }
.lab-card.creative .lab-services li::before { background: #c084fc; }
.lab-card.space .lab-services li::before { background: var(--accent-teal-light); }

.lab-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.lab-card.digital .lab-link { color: var(--accent-blue-bright); }
.lab-card.creative .lab-link { color: #c084fc; }
.lab-card.space .lab-link { color: var(--accent-teal-light); }

.lab-link:hover { gap: 12px; }

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio {
  background: var(--bg-secondary);
  position: relative;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-teal), transparent);
}

.portfolio-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.portfolio-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.portfolio-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  group: true;
}

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

.portfolio-thumb {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-thumb-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-thumb-inner { transform: scale(1.05); }

/* Portfolio mock visuals */
.mock-dashboard {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  width: 100%; height: 100%;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-nav { height: 24px; background: rgba(255,255,255,0.05); border-radius: 4px; }
.mock-content { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mock-card { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2); border-radius: 6px; }
.mock-chart { grid-column: span 2; background: rgba(20,184,166,0.08); border: 1px solid rgba(20,184,166,0.2); border-radius: 6px;
  display: flex; align-items: flex-end; padding: 8px; gap: 4px; }
.mock-bar { flex: 1; background: var(--accent-blue); border-radius: 2px 2px 0 0; opacity: 0.7; }

.mock-brand {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.mock-logo-circle {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a855f7, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: white;
}

.mock-brand-lines { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.mock-brand-line { height: 4px; border-radius: 2px; background: rgba(168,85,247,0.5); }

.mock-kitchen {
  background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
  width: 100%; height: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.mock-kitchen-counter {
  width: 100%; height: 45%;
  background: linear-gradient(180deg, #c8a96e, #a0845a);
  position: relative;
}

.mock-kitchen-cabinet {
  position: absolute;
  top: 15px; left: 15px; right: 15px;
  height: 80px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.15);
}

.mock-kitchen-lines {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0px, transparent 1px, transparent 30px);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10,13,20,0.95));
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay-text {
  font-size: 12px;
  color: var(--accent-blue-bright);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.portfolio-info {
  padding: 1.2rem 1.4rem;
}

.portfolio-category {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-teal-light);
  margin-bottom: 5px;
}

.portfolio-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}

.portfolio-meta {
  font-size: 12px;
  color: var(--text-subtle);
}

/* ============================================
   WHY SECTION
   ============================================ */
.why {
  position: relative;
  overflow: hidden;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
}

.why-content {}

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

.why-feature {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}

.why-feature:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.why-feature-icon {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.why-feature-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
}

.why-feature-desc {
  font-size: 12.5px;
  color: var(--text-subtle);
  line-height: 1.6;
}

.why-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.why-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--transition);
}

.why-stat-card:nth-child(1) {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 1.5rem;
}

.why-stat-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.why-stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1;
}

.why-stat-card:nth-child(1) .why-stat-number { color: var(--accent-blue-bright); }
.why-stat-card:nth-child(2) .why-stat-number { color: var(--accent-teal-light); font-size: 2rem; }
.why-stat-card:nth-child(3) .why-stat-number { color: #c084fc; font-size: 2rem; }

.why-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.why-stat-sub {
  font-size: 11px;
  color: var(--text-subtle);
  font-family: var(--font-mono);
}

.why-process {
  grid-column: span 2;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: flex;
  gap: 1rem;
  position: relative;
  padding-bottom: 1.2rem;
}

.process-step:last-child { padding-bottom: 0; }

.process-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.process-step:not(:last-child) .process-num::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: calc(1.2rem + 10px);
  background: var(--border-subtle);
}

.process-text { padding-top: 6px; }

.process-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 2px;
}

.process-desc {
  font-size: 12px;
  color: var(--text-subtle);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 4rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: var(--transition);
}

.contact-card.es-card { border-color: rgba(37, 211, 102, 0.2); }
.contact-card.en-card { border-color: var(--border-accent); }

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

.contact-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.8rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.es-card .contact-card-icon { background: rgba(37, 211, 102, 0.1); }
.en-card .contact-card-icon { background: rgba(37, 99, 235, 0.1); }

.contact-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-white);
}

.contact-card-sub {
  font-size: 12px;
  color: var(--text-subtle);
  font-family: var(--font-mono);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.contact-btn.whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
}

.contact-btn.whatsapp:hover {
  box-shadow: 0 4px 30px rgba(37, 211, 102, 0.4);
  transform: translateY(-1px);
}

.contact-btn.email {
  background: rgba(255,255,255,0.05);
  color: var(--text-light);
  border: 1px solid var(--border-subtle);
}

.contact-btn.email:hover { background: rgba(255,255,255,0.08); transform: translateY(-1px); }

.contact-btn.calendar {
  background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
  color: white;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.contact-btn.calendar:hover { box-shadow: 0 4px 30px rgba(59, 130, 246, 0.4); transform: translateY(-1px); }

.contact-btn-icon { font-size: 1.2rem; }
.contact-btn-text { display: flex; flex-direction: column; gap: 1px; }
.contact-btn-label { font-size: 13px; font-weight: 700; }
.contact-btn-sub { font-size: 11px; font-weight: 400; opacity: 0.7; }

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.form-input, .form-select, .form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-white);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
  width: 100%;
}

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

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.05);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-select option { background: var(--bg-card); color: var(--text-white); }

.form-textarea { resize: vertical; min-height: 100px; }

.form-submit {
  padding: 13px 24px;
  background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
  letter-spacing: 0.2px;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.25);
}

.form-submit:hover {
  box-shadow: 0 4px 30px rgba(59, 130, 246, 0.45);
  transform: translateY(-1px);
}

/* Contact Info Bar */
.contact-info-bar {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info-icon {
  width: 36px; height: 36px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.contact-info-label {
  font-size: 11px;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.contact-info-value {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 2rem 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand-desc {
  font-size: 13.5px;
  color: var(--text-subtle);
  line-height: 1.7;
  margin: 1rem 0 1.5rem;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  font-family: var(--font-mono);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-subtle);
  text-decoration: none;
  font-size: 13.5px;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--text-light); padding-left: 4px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-slogan {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-subtle);
  letter-spacing: 0.5px;
}

.footer-slogan span {
  color: var(--accent-blue-bright);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--text-subtle);
  text-decoration: none;
  font-size: 12px;
  transition: var(--transition);
}

.footer-legal a:hover { color: var(--text-muted); }

.footer-copy {
  font-size: 12px;
  color: var(--text-subtle);
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.animate-in {
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Intersection observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-content { max-width: 100%; }
  .about-visual { display: none; }

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

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

  .why-grid { grid-template-columns: 1fr; gap: 3rem; }
  .why-visual { display: none; }

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

  .footer-top { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   RESPONSIVE — MOBILE (≤ 640px)
   ============================================ */
@media (max-width: 640px) {
  section { padding: 70px 1.2rem; }

  .nav { padding: 0 1.2rem; }

  .hero { padding: 100px 1.2rem 60px; }
  .hero-headline { letter-spacing: -0.8px; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-whatsapp, .btn-secondary { justify-content: center; }
  .hero-meta { flex-direction: column; gap: 1rem; align-items: flex-start; }

  .about-pillars { grid-template-columns: 1fr; }

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

  .why-features { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .contact-info-bar { flex-direction: column; align-items: flex-start; }

  .labs-grid { gap: 1rem; }
  .lab-card { padding: 1.8rem 1.5rem; }

  .portfolio-filters { display: none; }
}

/* ============================================
   NOTIFICATION / TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  color: var(--text-white);
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-glow-blue);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}