/* ============================================================
   INTECLAB – style.css
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --primary:       #003087;
  --primary-light: #1a4db3;
  --accent:        #0066CC;
  --accent-light:  #3388ee;
  --dark:          #0D1B2A;
  --dark-2:        #1a2d42;
  --gray-dark:     #2d3748;
  --gray:          #64748b;
  --gray-light:    #f1f5f9;
  --white:         #ffffff;
  --border:        #e2e8f0;
  --green:         #10B981;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:     0 12px 40px rgba(0,0,0,.15);
  --radius:        12px;
  --radius-sm:     8px;
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.25;
  color: var(--dark);
}

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

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

ul { list-style: none; }

/* ── Helpers ───────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 96px 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,102,204,.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  color: var(--white);
}
.btn-full { width: 100%; justify-content: center; }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .82rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .05em;
  transition: gap var(--transition), color var(--transition);
}
.btn-link:hover { gap: 10px; color: var(--primary); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  margin: 8px 0 16px;
}
.section-header h2 span { color: var(--accent); }
.section-header p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--gray);
  font-size: .97rem;
}
.section-header.light h2, .section-header.light p { color: var(--white); }
.section-header.light h2 span { color: #7EC8F7; }
.section-header.light .section-label { background: rgba(255,255,255,.15); color: var(--white); }

.section-label {
  display: inline-block;
  background: #EBF3FD;
  color: var(--accent);
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 8px;
}

/* scroll-reveal */
[data-aos] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── NAVBAR ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-md);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo img {
  height: 50px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.navbar.scrolled .nav-logo img { filter: none; }

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,.12);
}
.navbar.scrolled .nav-links a { color: var(--gray-dark); }
.navbar.scrolled .nav-links a:hover { color: var(--accent); background: var(--gray-light); }

.nav-contact {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
}
.navbar.scrolled .nav-phone { color: var(--gray-dark); }
.nav-phone:hover { color: var(--white) !important; }
.navbar.scrolled .nav-phone:hover { color: var(--accent) !important; }

.btn-whatsapp-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #25D366;
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 50px;
  transition: all var(--transition);
}
.btn-whatsapp-nav:hover { background: #1ebe5d; transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar.scrolled .nav-toggle span { background: var(--dark); }

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}
.hero-slider { width: 100%; height: 100%; }

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .8s ease;
  display: flex;
  align-items: center;
}
.hero-slide.active { opacity: 1; z-index: 1; }

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-slide.active .hero-bg { transform: scale(1); }

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,30,87,.82) 0%,
    rgba(0,48,135,.65) 60%,
    rgba(0,102,204,.30) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 80px;
  color: var(--white);
  max-width: 700px;
  padding-left: 48px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-content h1 span { color: #7EC8F7; }
.hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-controls {
  position: absolute;
  bottom: 36px;
  left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.hero-prev, .hero-next {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: var(--white);
  font-size: .9rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.hero-prev:hover, .hero-next:hover { background: rgba(255,255,255,.3); }

.hero-dots { display: flex; gap: 8px; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: all var(--transition);
}
.dot.active { background: var(--white); width: 24px; border-radius: 4px; }

/* ── STATS ─────────────────────────────────────────────────── */
.stats {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  padding: 52px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--white);
}
.stat-item > i {
  font-size: 2.2rem;
  opacity: .7;
  flex-shrink: 0;
}
.stat-item strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}
.stat-item strong + span {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  vertical-align: super;
}
.stat-item p { font-size: .85rem; opacity: .85; margin-top: 4px; }

/* ── AREAS ─────────────────────────────────────────────────── */
.areas { background: var(--white); }

.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.area-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.area-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.area-card:hover::before { transform: scaleX(1); }
.area-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.area-card.featured {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.area-card.featured h3, .area-card.featured p { color: var(--white); }
.area-card.featured .area-link { color: #7EC8F7; }
.area-card.featured .area-icon { background: rgba(255,255,255,.15); color: var(--white); }

.area-icon {
  width: 72px; height: 72px;
  background: var(--gray-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  color: var(--accent);
  margin: 0 auto 20px;
}
.area-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.area-card p {
  font-size: .9rem;
  color: var(--gray);
  margin-bottom: 24px;
  line-height: 1.7;
}
.area-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .82rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: gap var(--transition);
}
.area-link:hover { gap: 10px; }

/* ── SERVICIOS ─────────────────────────────────────────────── */
.servicios {
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%);
}
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.servicio-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}
.servicio-card:hover {
  background: rgba(255,255,255,.10);
  border-color: rgba(0,102,204,.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.25);
}
.servicio-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 20px;
}
.servicio-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.servicio-card p { font-size: .88rem; color: rgba(255,255,255,.65); line-height: 1.7; }

/* ── NOSOTROS ──────────────────────────────────────────────── */
.nosotros { background: var(--gray-light); }

.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.nosotros-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: visible;
}
.nosotros-img-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.nosotros-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
}
.nosotros-badge > i {
  font-size: 1.8rem;
  color: var(--accent);
}
.nosotros-badge strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: .95rem;
  font-weight: 800;
  color: var(--primary);
}
.nosotros-badge span { font-size: .78rem; color: var(--gray); }

.nosotros-content .section-label { margin-bottom: 8px; }
.nosotros-content h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  margin: 8px 0 16px;
}
.nosotros-content h2 span { color: var(--accent); }
.nosotros-lead {
  font-size: .97rem;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 28px;
}

.pmv-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  background: var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.pmv-tab {
  flex: 1;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 700;
  padding: 9px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  color: var(--gray);
  transition: all var(--transition);
}
.pmv-tab.active { background: var(--white); color: var(--accent); box-shadow: var(--shadow-sm); }

.pmv-content { margin-bottom: 32px; }
.pmv-panel {
  display: none;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 24px;
  gap: 16px;
  align-items: flex-start;
  border-left: 3px solid var(--accent);
}
.pmv-panel.active { display: flex; }
.pmv-panel > i { font-size: 1.4rem; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.pmv-panel p { font-size: .9rem; color: var(--gray-dark); line-height: 1.75; }

.valores-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.valor {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-dark);
}
.valor i { color: var(--green); font-size: .85rem; }

/* ── PRODUCTOS ─────────────────────────────────────────────── */
.productos { background: var(--white); }

.productos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.producto-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  background: var(--white);
}
.producto-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.producto-icon {
  width: 52px; height: 52px;
  background: color-mix(in srgb, var(--c) 12%, white);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  color: var(--c);
  margin-bottom: 16px;
}
.producto-card h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}
.producto-card p { font-size: .82rem; color: var(--gray); line-height: 1.65; margin-bottom: 16px; }

/* ── MARCAS ────────────────────────────────────────────────── */
.marcas {
  background: linear-gradient(160deg, var(--primary) 0%, var(--dark-2) 100%);
}
.marcas-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.marca-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}
.marca-card:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.25);
  transform: translateY(-3px);
}
.marca-card span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.marca-card small { font-size: .72rem; color: rgba(255,255,255,.5); }

.marcas-note {
  text-align: center;
  font-size: .88rem;
  color: rgba(255,255,255,.6);
}
.marcas-note a { color: #7EC8F7; text-decoration: underline; }

/* ── CONTACTO ──────────────────────────────────────────────── */
.contacto { background: var(--gray-light); }

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}

.contacto-info { display: flex; flex-direction: column; gap: 24px; }

.info-item { display: flex; align-items: flex-start; gap: 16px; }
.info-icon {
  width: 44px; height: 44px;
  background: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.info-item h4 {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray);
  margin-bottom: 4px;
}
.info-item p, .info-item a {
  font-size: .92rem;
  color: var(--gray-dark);
  line-height: 1.6;
}
.info-item a:hover { color: var(--accent); }

.info-social { display: flex; gap: 10px; padding-left: 60px; }
.info-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-dark);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.info-social a:hover { background: var(--accent); color: var(--white); transform: translateY(-2px); }

/* Form */
.contacto-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: 'Montserrat', sans-serif;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: 'Open Sans', sans-serif;
  font-size: .9rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,102,204,.12);
}
.form-group select { 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 14px center; padding-right: 40px; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: #065f46;
  font-size: .9rem;
  font-weight: 600;
}
.form-success.show { display: flex; }
.form-success i { font-size: 1.1rem; color: var(--green); }

/* ── FOOTER ────────────────────────────────────────────────── */
.footer { background: var(--dark); color: rgba(255,255,255,.7); }

.footer-main { padding: 64px 0 48px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1.5fr;
  gap: 48px;
}

.footer-logo { height: 52px; width: auto; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-brand p { font-size: .85rem; line-height: 1.75; max-width: 280px; }

.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--white); transform: translateY(-2px); }

.footer-links h4, .footer-contact h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-links ul li { margin-bottom: 8px; }
.footer-links a {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover { color: var(--white); padding-left: 4px; }

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .85rem;
  margin-bottom: 12px;
  line-height: 1.5;
}
.footer-contact i { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.footer-contact a { color: rgba(255,255,255,.6); }
.footer-contact a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.4); }

/* ── WHATSAPP FLOAT ────────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: var(--white) !important;
  padding: 13px 20px 13px 16px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: all var(--transition);
  overflow: hidden;
}
.whatsapp-float i { font-size: 1.4rem; }
.whatsapp-float span {
  white-space: nowrap;
  max-width: 120px;
  transition: max-width var(--transition), opacity var(--transition);
}
.whatsapp-float:hover { background: #1ebe5d; transform: translateY(-3px); box-shadow: 0 8px 30px rgba(37,211,102,.5); }

/* ── BACK TO TOP ───────────────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 90px;
  right: 30px;
  z-index: 998;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all var(--transition);
}
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { background: var(--accent); }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .productos-grid { grid-template-columns: repeat(2, 1fr); }
  .marcas-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nosotros-grid { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  /* Navbar */
  .nav-links, .nav-contact { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark);
    z-index: 9999;
    padding: 80px 32px 32px;
    gap: 8px;
  }
  .nav-links.open a {
    font-size: 1.1rem;
    padding: 14px 16px;
    color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .nav-links.open::before {
    content: '✕';
    position: absolute;
    top: 24px; right: 28px;
    font-size: 1.4rem;
    color: var(--white);
    cursor: pointer;
  }

  /* Hero */
  .hero-content { padding: 80px 24px 0; }
  .hero-content h1 { font-size: 2rem; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  /* Areas */
  .areas-grid { grid-template-columns: 1fr; }

  /* Servicios */
  .servicios-grid { grid-template-columns: 1fr; }

  /* Nosotros */
  .nosotros-grid { grid-template-columns: 1fr; }
  .nosotros-img-wrap img { height: 280px; }
  .nosotros-badge { right: 0; bottom: -16px; }

  /* Productos */
  .productos-grid { grid-template-columns: repeat(2, 1fr); }

  /* Marcas */
  .marcas-grid { grid-template-columns: repeat(2, 1fr); }

  /* Contacto */
  .contacto-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contacto-form { padding: 28px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  /* Valores */
  .valores-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .btn { justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .productos-grid { grid-template-columns: 1fr; }
  .marcas-grid { grid-template-columns: repeat(2, 1fr); }
}