/* ============================================
   TRAZAS INGENIERÍA - Sistema de Diseño
   Tema: Industrial Dark Premium
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- Variables ---- */
:root {
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #0f1117;
  --bg-card:       rgba(255,255,255,0.03);
  --bg-card-hover: rgba(0,212,255,0.05);

  --accent-cyan:   #00d4ff;
  --accent-orange: #ff6b35;
  --accent-purple: #7c3aed;
  --accent-glow:   rgba(0,212,255,0.3);

  --text-primary:  #f0f4f8;
  --text-secondary:#8892a4;
  --text-muted:    #4a5568;

  --border-subtle: rgba(255,255,255,0.06);
  --border-accent: rgba(0,212,255,0.3);

  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #0f1a2e 50%, #0a0a0f 100%);
  --gradient-card: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(124,58,237,0.05));
  --gradient-btn:  linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient-orange: linear-gradient(135deg, #ff6b35, #f7931e);

  --font-title: 'Rajdhani', sans-serif;
  --font-body:  'Inter', sans-serif;

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

  --shadow-glow:   0 0 30px rgba(0,212,255,0.2);
  --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-orange: 0 0 30px rgba(255,107,53,0.3);

  --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);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- Utility ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
.text-center { text-align: center; }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 50px;
  border: 1px solid var(--border-accent);
  background: rgba(0,212,255,0.08);
  color: var(--accent-cyan); font-size: 0.78rem;
  font-family: var(--font-body); font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 20px;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-cyan); animation: pulse 2s infinite; }

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-title .accent { color: var(--accent-cyan); }
.section-title .accent-orange { color: var(--accent-orange); }

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto 60px;
}

/* ---- Botones ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-weight: 600;
  font-size: 0.95rem; cursor: pointer; border: none;
  transition: var(--transition); position: relative; overflow: hidden;
  letter-spacing: 0.5px;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%); transition: transform 0.3s ease;
}
.btn:hover::before { transform: translateX(0); }

.btn-primary {
  background: var(--gradient-btn);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,212,255,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.5); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
}
.btn-outline:hover { background: rgba(0,212,255,0.1); transform: translateY(-2px); }

.btn-orange {
  background: var(--gradient-orange);
  color: #fff;
  box-shadow: var(--shadow-orange);
}
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(255,107,53,0.5); }

/* ---- Navbar ---- */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px; transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex; align-items: center;
}
.nav-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex; align-items: center; gap: 8px;
}
.nav-links a {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 4px; left: 16px; right: 16px;
  height: 1px; background: var(--accent-cyan);
  transform: scaleX(0); transition: transform 0.3s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--accent-cyan); }

.nav-cta { margin-left: 16px; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0;
  background: rgba(10,10,15,0.97); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px; flex-direction: column; gap: 8px; z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-weight: 500; font-size: 1rem;
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--accent-cyan); background: rgba(0,212,255,0.05); }
.mobile-menu .btn { margin-top: 8px; width: 100%; justify-content: center; }

/* ---- Hero ---- */
#hero {
  min-height: 100vh; position: relative;
  display: flex; align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
}
#hero-bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 30%;
  z-index: 0;
  filter: brightness(0.55) saturate(0.8);
}
#hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    105deg,
    rgba(10,10,15,0.82) 0%,
    rgba(10,10,15,0.55) 50%,
    rgba(10,10,15,0.30) 100%
  );
}
#hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 2;
}
.hero-grid-overlay {
  position: absolute; inset: 0; z-index: 3;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative; z-index: 4;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  padding-top: 72px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 24px;
}
.hero-eyebrow .line { width: 40px; height: 1px; background: var(--accent-cyan); }
.hero-eyebrow span { color: var(--accent-cyan); font-size: 0.8rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; }

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700; line-height: 1.05;
  margin-bottom: 24px;
}
.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title .orange-text { color: var(--accent-orange); }

.hero-subtitle {
  font-size: 1.15rem; color: var(--text-secondary);
  max-width: 520px; margin-bottom: 40px; line-height: 1.7;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex; gap: 48px; flex-wrap: wrap;
}
.hero-stat {}
.hero-stat .number {
  font-family: var(--font-title); font-size: 2.5rem; font-weight: 700;
  color: var(--text-primary); line-height: 1;
}
.hero-stat .number span { color: var(--accent-cyan); }
.hero-stat .label { color: var(--text-secondary); font-size: 0.82rem; letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.75rem; letter-spacing: 2px;
  text-transform: uppercase; z-index: 2;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: ''; width: 1px; height: 40px; background: linear-gradient(to bottom, var(--accent-cyan), transparent);
}

/* ---- Banda de servicios rápida ---- */
.services-band {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0; overflow: hidden;
}
.services-band-track {
  display: flex; gap: 48px; animation: scroll-track 20s linear infinite;
  width: max-content;
}
.services-band-item {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-secondary); font-size: 0.9rem;
  font-weight: 500; white-space: nowrap;
}
.services-band-item i { color: var(--accent-cyan); font-size: 1.1rem; }
.services-band-sep { color: var(--text-muted); }

/* ---- Sección Servicios ---- */
#servicios { background: var(--bg-primary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
  cursor: pointer;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-card); opacity: 0; transition: opacity 0.3s;
}
.service-card:hover { border-color: var(--border-accent); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 64px; height: 64px; border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: 24px;
  transition: var(--transition); position: relative;
}
.service-card:hover .service-icon {
  background: rgba(0,212,255,0.2);
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}

.service-card h3 {
  font-family: var(--font-title); font-size: 1.35rem; font-weight: 700;
  margin-bottom: 12px; color: var(--text-primary);
}
.service-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.65; }
.service-card .arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-cyan); font-size: 0.85rem; font-weight: 600;
  margin-top: 20px; transition: gap 0.3s;
}
.service-card:hover .arrow { gap: 12px; }

/* ---- Sección Nosotros (preview) ---- */
#nosotros-preview {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}
.nosotros-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.nosotros-visual {
  position: relative;
}
.nosotros-visual .main-img {
  width: 100%; border-radius: var(--radius-lg);
  overflow: hidden; position: relative;
  background: linear-gradient(135deg, #0f1a2e 0%, #1a0a2e 100%);
  min-height: 420px; display: flex; align-items: center; justify-content: center;
}
.nosotros-visual .img-placeholder {
  font-size: 8rem; opacity: 0.3;
}
.nosotros-badge-float {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--gradient-btn); border-radius: var(--radius-md);
  padding: 20px 24px; color: #fff; text-align: center;
  box-shadow: 0 8px 32px rgba(0,212,255,0.3);
}
.nosotros-badge-float .big-num {
  font-family: var(--font-title); font-size: 2.5rem; font-weight: 700; line-height: 1;
}
.nosotros-badge-float .big-label { font-size: 0.78rem; opacity: 0.8; }
.nosotros-badge-solar {
  position: absolute; top: -16px; left: -16px;
  background: rgba(10,10,15,0.9); backdrop-filter: blur(10px);
  border: 1px solid var(--border-accent); border-radius: var(--radius-md);
  padding: 16px 20px; display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-card);
}
.nosotros-badge-solar .icon { font-size: 1.8rem; }
.nosotros-badge-solar .txt .value { font-family: var(--font-title); font-size: 1.3rem; font-weight: 700; color: var(--accent-orange); }
.nosotros-badge-solar .txt .desc { font-size: 0.75rem; color: var(--text-secondary); }

.nosotros-content .values-list { margin: 32px 0; display: flex; flex-direction: column; gap: 16px; }
.value-item { display: flex; align-items: flex-start; gap: 16px; }
.value-item .check {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; color: var(--accent-cyan); flex-shrink: 0; margin-top: 2px;
}
.value-item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.value-item p { font-size: 0.85rem; color: var(--text-secondary); }

/* ---- Stats Counter ---- */
#stats {
  background: linear-gradient(135deg, #0a0a0f 0%, #0d1520 50%, #0a0a0f 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 80px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 40px; }
.stat-item { text-align: center; }
.stat-item .stat-num {
  font-family: var(--font-title); font-size: 3.5rem; font-weight: 700;
  background: var(--gradient-btn);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
}
.stat-item .stat-suffix { color: var(--accent-cyan); font-size: 2rem; font-weight: 700; }
.stat-item .stat-label {
  color: var(--text-secondary); font-size: 0.9rem;
  text-transform: uppercase; letter-spacing: 1.5px; margin-top: 8px;
}
.stat-divider {
  width: 1px; background: var(--border-subtle);
  align-self: stretch; display: none;
}

/* ---- Portafolio preview ---- */
#portafolio-preview { background: var(--bg-primary); }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.portfolio-card {
  border-radius: var(--radius-md); overflow: hidden;
  position: relative; cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}
.portfolio-card:first-child { grid-column: span 2; aspect-ratio: 16/9; }

.portfolio-card-bg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; opacity: 0.15;
  transition: var(--transition);
}
.portfolio-card:hover .portfolio-card-bg { font-size: 5rem; opacity: 0.25; }

.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; opacity: 0; transition: var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-card:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow); transform: translateY(-4px); }

.portfolio-tag {
  display: inline-block; padding: 4px 12px; border-radius: 50px;
  background: rgba(0,212,255,0.2); color: var(--accent-cyan);
  font-size: 0.75rem; font-weight: 600; margin-bottom: 8px;
}
.portfolio-overlay h3 { font-family: var(--font-title); font-size: 1.2rem; font-weight: 700; }
.portfolio-overlay p { color: var(--text-secondary); font-size: 0.82rem; margin-top: 4px; }

/* ---- Sostenibilidad ---- */
#sostenibilidad {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}
.sost-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.sost-visual {
  background: linear-gradient(135deg, #1a1500 0%, #0f1a2e 100%);
  border-radius: var(--radius-lg); padding: 48px;
  border: 1px solid var(--border-subtle); text-align: center;
}
.sost-icon-big { font-size: 6rem; margin-bottom: 24px; }
.sost-progress { margin-top: 32px; }
.sost-progress-label { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.progress-bar { height: 8px; background: var(--border-subtle); border-radius: 4px; overflow: hidden; }
.progress-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-orange), #f7931e);
  width: 0%; transition: width 1.5s ease;
}
.sost-content .sost-items { display: flex; flex-direction: column; gap: 20px; margin: 32px 0; }
.sost-item { display: flex; align-items: flex-start; gap: 20px; }
.sost-item .icon { font-size: 2rem; flex-shrink: 0; }
.sost-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.sost-item p { color: var(--text-secondary); font-size: 0.88rem; }

/* ---- CTA Banner ---- */
#cta-banner {
  background: linear-gradient(135deg, #0f1a2e 0%, #1a0a2e 100%);
  border-top: 1px solid var(--border-subtle);
  padding: 100px 0; text-align: center; position: relative; overflow: hidden;
}
#cta-banner::before {
  content: '';
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at center, rgba(0,212,255,0.08) 0%, transparent 70%);
}
.cta-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700; margin-bottom: 16px; position: relative;
}
.cta-sub { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 40px; position: relative; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ---- Contacto rápido ---- */
#contacto-quick {
  background: var(--bg-primary); padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}
.contact-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.contact-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 36px 28px; text-align: center;
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
.contact-card .cc-icon { font-size: 2.5rem; margin-bottom: 16px; }
.contact-card h3 { font-family: var(--font-title); font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.contact-card p, .contact-card a { color: var(--text-secondary); font-size: 0.9rem; }
.contact-card a:hover { color: var(--accent-cyan); }

/* ---- Footer ---- */
#footer {
  background: #06060a;
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; margin-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
}
.footer-brand .logo {
  font-family: var(--font-title); font-size: 1.8rem; font-weight: 700;
  margin-bottom: 16px;
}
.footer-brand .logo span { color: var(--accent-cyan); }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; max-width: 280px; }
.footer-socials { display: flex; gap: 12px; margin-top: 24px; }
.footer-social {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: var(--transition); font-size: 1rem;
}
.footer-social:hover { border-color: var(--border-accent); color: var(--accent-cyan); background: rgba(0,212,255,0.05); }

.footer-col h4 {
  font-family: var(--font-title); font-size: 1rem; font-weight: 700;
  margin-bottom: 20px; color: var(--text-primary); letter-spacing: 0.5px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-secondary); font-size: 0.88rem; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--accent-cyan); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.footer-contact-item i { color: var(--accent-cyan); margin-top: 2px; font-size: 0.9rem; }
.footer-contact-item span { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.5; }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.82rem; }
.footer-bottom .accent { color: var(--accent-cyan); }

/* ---- WhatsApp flotante ---- */
#whatsapp-float {
  position: fixed; bottom: 32px; right: 32px; z-index: 1000;
  display: flex; align-items: center; gap: 12px;
  background: #25D366; color: #fff;
  padding: 14px 20px; border-radius: 50px;
  cursor: pointer; box-shadow: 0 4px 24px rgba(37,211,102,0.5);
  transition: var(--transition); font-weight: 600; font-size: 0.9rem;
  text-decoration: none;
}
#whatsapp-float:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 8px 40px rgba(37,211,102,0.7); }
#whatsapp-float .wsp-icon { font-size: 1.5rem; }
#whatsapp-float .wsp-text { white-space: nowrap; }

/* ---- Animaciones de entrada ---- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ---- Keyframes ---- */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
@keyframes scroll-track {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0,212,255,0.2); }
  50% { box-shadow: 0 0 40px rgba(0,212,255,0.5); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Paginas Internas: Hero pequeño ---- */
.page-hero {
  min-height: 45vh; display: flex; align-items: center;
  background: linear-gradient(135deg, #0a0a0f 0%, #0f1a2e 100%);
  position: relative; overflow: hidden; padding-top: 72px;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700; line-height: 1.1; margin-bottom: 16px;
}
.page-hero p { color: var(--text-secondary); font-size: 1.1rem; max-width: 560px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--text-muted); margin-bottom: 20px;
}
.breadcrumb a { color: var(--accent-cyan); }
.breadcrumb span { color: var(--text-muted); }

/* ---- Servicios Page ---- */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center; padding: 80px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }
.service-detail-icon-wrap {
  background: linear-gradient(135deg, #0f1a2e, #1a0a2e);
  border-radius: var(--radius-lg); min-height: 380px;
  display: flex; align-items: center; justify-content: center;
  font-size: 8rem; position: relative;
  border: 1px solid var(--border-subtle);
}
.service-detail-number {
  position: absolute; top: 20px; left: 20px;
  font-family: var(--font-title); font-size: 4rem; font-weight: 700;
  color: rgba(0,212,255,0.08); line-height: 1;
}
.service-detail-content {}
.service-detail-content h2 {
  font-family: var(--font-title); font-size: 2.4rem; font-weight: 700;
  margin-bottom: 16px;
}
.service-detail-content .desc { color: var(--text-secondary); font-size: 1rem; line-height: 1.75; margin-bottom: 32px; }
.features-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.feature-item { display: flex; align-items: center; gap: 12px; color: var(--text-secondary); font-size: 0.9rem; }
.feature-item::before { content: '▸'; color: var(--accent-cyan); font-size: 0.8rem; flex-shrink: 0; }

/* ---- Portafolio Page ---- */
.filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 8px 20px; border-radius: 50px;
  background: transparent; border: 1px solid var(--border-subtle);
  color: var(--text-secondary); font-size: 0.88rem; font-weight: 500;
  cursor: pointer; transition: var(--transition); font-family: var(--font-body);
}
.filter-btn.active, .filter-btn:hover {
  border-color: var(--border-accent); color: var(--accent-cyan);
  background: rgba(0,212,255,0.05);
}
.portfolio-full-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.portfolio-item {
  border-radius: var(--radius-md); overflow: hidden;
  background: var(--bg-secondary); border: 1px solid var(--border-subtle);
  transition: var(--transition); cursor: pointer; position: relative;
}
.portfolio-item:not([data-hidden]) { display: block; }
.portfolio-item[data-hidden] { display: none; }
.portfolio-item:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
.portfolio-img {
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem; opacity: 0.3;
  background: linear-gradient(135deg, #0f1a2e, #1a0f0a);
}
.portfolio-info { padding: 20px; }
.portfolio-info h3 { font-family: var(--font-title); font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.portfolio-info p { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 12px; }

/* ---- Contacto Page ---- */
.contact-page-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.contact-info-block { display: flex; flex-direction: column; gap: 32px; }
.contact-info-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 28px;
  display: flex; align-items: flex-start; gap: 20px;
  transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--border-accent); }
.contact-info-card .ic { font-size: 2rem; flex-shrink: 0; }
.contact-info-card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.contact-info-card a, .contact-info-card p { color: var(--text-secondary); font-size: 0.9rem; }
.contact-info-card a:hover { color: var(--accent-cyan); }

.contact-form-wrap {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 48px;
}
.form-title { font-family: var(--font-title); font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.form-sub { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: 0.5px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 14px 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-subtle);
  color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem;
  transition: var(--transition); outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--border-accent); box-shadow: 0 0 0 3px rgba(0,212,255,0.1); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select option { background: #0f1117; color: var(--text-primary); }
.form-group.error input,
.form-group.error textarea { border-color: #ff4444; }
.form-error-msg { color: #ff6b6b; font-size: 0.78rem; margin-top: 6px; display: none; }
.form-group.error .form-error-msg { display: block; }
.form-success {
  display: none; text-align: center; padding: 40px;
  background: rgba(0,212,255,0.05); border-radius: var(--radius-md);
  border: 1px solid rgba(0,212,255,0.2);
}
.form-success .success-icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { font-family: var(--font-title); font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.form-success p { color: var(--text-secondary); }

/* ---- Nosotros Page ---- */
.timeline { position: relative; max-width: 800px; margin: 64px auto 0; }
.timeline::before { content: ''; position: absolute; left: 50%; transform: translateX(-50%); top: 0; bottom: 0; width: 1px; background: var(--border-subtle); }
.timeline-item { display: grid; grid-template-columns: 1fr 60px 1fr; gap: 0; margin-bottom: 48px; align-items: center; }
.timeline-content {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 24px; transition: var(--transition);
}
.timeline-content:hover { border-color: var(--border-accent); }
.timeline-item:nth-child(even) .timeline-content:first-child { grid-column: 3; }
.timeline-dot {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient-btn); display: flex; align-items: center;
  justify-content: center; font-size: 1rem; margin: 0 auto;
  box-shadow: var(--shadow-glow); flex-shrink: 0; z-index: 1;
}
.timeline-year { font-family: var(--font-title); font-size: 1.1rem; font-weight: 700; color: var(--accent-cyan); margin-bottom: 4px; }
.timeline-content h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.timeline-content p { color: var(--text-secondary); font-size: 0.85rem; }

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 64px; }
.team-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 32px 24px; text-align: center;
  transition: var(--transition);
}
.team-card:hover { border-color: var(--border-accent); transform: translateY(-4px); }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--gradient-btn);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
}
.team-card h3 { font-family: var(--font-title); font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
.team-card .role { color: var(--accent-cyan); font-size: 0.82rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.team-card .desc { color: var(--text-secondary); font-size: 0.85rem; margin-top: 12px; }

/* ---- Animación hover imagen portfolio (Mueble Acero) ---- */
.portfolio-img-hover {
  transition: transform 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.65s ease;
  transform-origin: center center;
  filter: brightness(0.88) saturate(0.9);
}
.portfolio-card:hover .portfolio-img-hover {
  transform: scale(1.1) translateY(-6px);
  filter: brightness(1.08) saturate(1.15);
}

/* ---- Model Viewer 3D (Mueble Acero Inoxidable) ---- */
/* Card en el index (portfolio-grid) */
.portfolio-card--3d {
  overflow: hidden;
  position: relative;
}
.portfolio-card--3d model-viewer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  --poster-color: transparent;
}
.portfolio-card--3d .portfolio-overlay {
  z-index: 5;
  pointer-events: none; /* deja pasar el mouse al model-viewer */
}

.portfolio-item--3d {
  --glow-3d: rgba(0, 200, 255, 0.4);
}
.portfolio-item--3d:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 40px var(--glow-3d);
}
.portfolio-img--3d {
  aspect-ratio: unset;
  height: 280px;
  position: relative;
  background: linear-gradient(135deg, #060d1a, #101a2e);
  display: block;
  padding: 0;
  opacity: 1;
  font-size: inherit;
  overflow: visible;
}
.portfolio-img--3d model-viewer {
  display: block;
  width: 100%;
  height: 100%;
  --poster-color: transparent;
}
.model-viewer-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,200,255,0.25);
  color: var(--text-secondary);
  font-size: 0.72rem;
  padding: 5px 14px;
  border-radius: 50px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 10;
}
.portfolio-item--3d:hover .model-viewer-hint {
  opacity: 1;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-card:first-child { grid-column: span 2; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-page-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section-padding { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .nosotros-grid { grid-template-columns: 1fr; }
  .sost-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card:first-child { grid-column: span 1; aspect-ratio: 4/3; }
  .portfolio-full-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .hero-stats { gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .form-row { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail.reverse { direction: ltr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nosotros-badge-float { bottom: -10px; right: -10px; }
  .nosotros-badge-solar { top: -10px; left: -10px; }
  #whatsapp-float .wsp-text { display: none; }
  #whatsapp-float { padding: 14px; border-radius: 50%; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .portfolio-full-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-bottom { text-align: center; justify-content: center; }
}