/* ═══════════════════════════════════════════════════════════════
   SERGEO TECH — Hoja de estilos principal
   Desarrollado con HTML5 / CSS3 vanilla · Mobile-first
   Paleta extraída del brandbook oficial de SERGEO TECH
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. VARIABLES CSS ──────────────────────────────────────────── */
:root {
  /* Colores de marca — extraídos de logo_colores.png */
  --color-agro:          #BBD824; /* Verde Lima — Agricultura */
  --color-agro-dark:     #899F1B; /* Verde Oliva — sombra */
  --color-gan:           #DC0000; /* Rojo — Ganadería */
  --color-gan-dark:      #BA0000; /* Rojo Oscuro — sombra */
  --color-iot:           #5DB8C9; /* Cyan — IoT / Tech accent */
  --color-iot-dark:      #3A97AA; /* Teal — sombra */
  --color-smart:         #FED700; /* Amarillo — Smart Home */
  --color-smart-dark:    #DCB700; /* Dorado — sombra */
  --color-seg:           #990099; /* Púrpura — Seguridad */
  --color-seg-dark:      #7C007C; /* Violeta — sombra */

  /* Neutrales */
  --color-sergeo-gray:   #999999; /* Gris tipografía SERGEO */
  --color-tech-gray:     #CCCCCC; /* Gris tipografía TECH */
  --color-white:         #FFFFFF;
  --color-black:         #000000;

  /* Fondos */
  --bg-dark:             #0A0E14; /* Fondo oscuro principal */
  --bg-dark-2:           #111720; /* Fondo sección alternada */
  --bg-dark-3:           #161E2B; /* Fondo cards */
  --bg-overlay:          rgba(10, 14, 20, 0.85);

  /* Tipografías */
  --font-heading:        'Montserrat', sans-serif;
  --font-body:           'Open Sans', sans-serif;

  /* Espaciados */
  --section-padding:     5rem 1.5rem;
  --section-padding-sm:  3rem 1.25rem;
  --max-width:           1200px;
  --border-radius:       12px;
  --border-radius-lg:    20px;

  /* Sombras */
  --shadow-card:         0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow-agro:    0 0 24px rgba(187,216,36,0.25);
  --shadow-glow-gan:     0 0 24px rgba(220,0,0,0.25);
  --shadow-glow-iot:     0 0 24px rgba(93,184,201,0.25);

  /* Transiciones */
  --transition:          0.3s ease;
  --transition-slow:     0.6s ease;
}

/* ── 2. RESET Y BASE ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ── 3. UTILIDADES ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-iot);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-tech-gray);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  margin-bottom: 3.5rem;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.85rem 1.75rem;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-primary {
  background: var(--color-agro);
  color: var(--bg-dark);
  border-color: var(--color-agro);
}
.btn-primary:hover {
  background: var(--color-agro-dark);
  border-color: var(--color-agro-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-agro);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--color-iot);
  color: var(--color-iot);
  transform: translateY(-2px);
}

.btn-iot {
  background: var(--color-iot);
  color: var(--bg-dark);
  border-color: var(--color-iot);
}
.btn-iot:hover {
  background: var(--color-iot-dark);
  border-color: var(--color-iot-dark);
  transform: translateY(-2px);
}

/* Tag de servicio */
.service-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

/* ── 4. PATRÓN HEXAGONAL (overlay decorativo) ──────────────────── */
.hex-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.06;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Cpolygon points='28,2 54,17 54,47 28,62 2,47 2,17' fill='none' stroke='%235DB8C9' stroke-width='1.5'/%3E%3Cpolygon points='28,52 54,67 54,97 28,112 2,97 2,67' fill='none' stroke='%235DB8C9' stroke-width='1.5'/%3E%3C/svg%3E");
  background-size: 56px 100px;
}

/* ── 5. NAVBAR ─────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 14, 20, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo en navbar */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.nav-logo img {
  height: 36px;
  width: auto;
}

/* Menú de navegación */
.nav-menu {
  display: none; /* oculto en mobile, visible en desktop */
  align-items: center;
  gap: 0.25rem;
}

.nav-menu a {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-tech-gray);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  transition: color var(--transition);
}

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

/* Controles de la derecha del navbar */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Selector de idioma */
.lang-switcher {
  display: flex;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
}

.lang-btn {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.6rem;
  background: transparent;
  border: none;
  color: var(--color-sergeo-gray);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--color-iot);
  color: var(--bg-dark);
}

/* Botón CTA navbar */
.nav-cta {
  display: none; /* visible en desktop */
}

/* Hamburguesa */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

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

/* Menú mobile expandido */
.nav-mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(10,14,20,0.98);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 0.5rem 1.5rem 1.5rem;
}

.nav-mobile-menu.open {
  display: flex;
}

.nav-mobile-menu a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-tech-gray);
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: color var(--transition);
}

.nav-mobile-menu a:last-child { border-bottom: none; }
.nav-mobile-menu a:hover { color: var(--color-agro); }

/* ── 6. HERO ───────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 7rem 1.5rem 4rem;
}

/* Fondo de imagen */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('../img/hero-background.jpg') center center / cover no-repeat;
  z-index: 0;
}

/* Gradiente oscuro sobre la foto
   Ajuste: ligeramente aclarado para que se vea más la imagen,
   manteniendo suficiente contraste para el texto blanco encima.
   Valores: izq. (zona de texto) oscuro; der. más transparente */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,14,20,0.80) 0%,
    rgba(10,14,20,0.58) 50%,
    rgba(10,14,20,0.35) 100%
  );
  z-index: 1;
}

/* Watermark pin multicolor — centrado sobre el hero, con color visible */
.hero-logo-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
  opacity: 0.20;                    /* ajustá 0.10–0.35 a gusto */
  width: clamp(400px, 70vh, 700px); /* grande, proporcional al alto del hero */
  height: auto;
  /* screen: los colores del pin se suman al fondo oscuro sin taparlo */
  mix-blend-mode: screen;
}

/* Patrón hex en hero */
#hero .hex-pattern { z-index: 2; opacity: 0.08; }

/* Contenido hero */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-iot);
  margin-bottom: 1.25rem;
}

.hero-tagline::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--color-iot);
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--color-agro);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-tech-gray);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Badges informativos */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-tech-gray);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 0.4rem 1rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-badge .dot.agro { background: var(--color-agro); }
.hero-badge .dot.iot  { background: var(--color-iot); }

/* Flecha scroll down */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--transition);
}
.hero-scroll:hover { opacity: 1; }
.hero-scroll span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-tech-gray);
}
.hero-scroll svg {
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ── 7. SECCIÓN SERVICIOS ──────────────────────────────────────── */
#servicios {
  position: relative;
  padding: var(--section-padding);
  background: var(--bg-dark-2);
  overflow: hidden;
}

#servicios .hex-pattern { opacity: 0.04; }

.services-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

/* Card de servicio */
.service-card {
  background: var(--bg-dark-3);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-card:hover {
  transform: translateY(-6px);
}

/* Colores por vertical */
.service-card.agro {
  border-top: 3px solid var(--color-agro);
}
.service-card.agro:hover {
  box-shadow: var(--shadow-glow-agro);
  border-color: var(--color-agro);
}
.service-card.ganaderia {
  border-top: 3px solid var(--color-gan);
}
.service-card.ganaderia:hover {
  box-shadow: var(--shadow-glow-gan);
  border-color: var(--color-gan);
}
.service-card.bird {
  border-top: 3px solid var(--color-iot);
}
.service-card.bird:hover {
  box-shadow: var(--shadow-glow-iot);
  border-color: var(--color-iot);
}

.service-card.agro .service-tag    { background: rgba(187,216,36,0.12); color: var(--color-agro); }
.service-card.ganaderia .service-tag { background: rgba(220,0,0,0.12); color: var(--color-gan); }
.service-card.bird .service-tag    { background: rgba(93,184,201,0.12); color: var(--color-iot); }

/* Ícono del pin dentro de la card */
.service-pin {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.service-card-tagline {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
  font-style: italic;
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--color-tech-gray);
  line-height: 1.7;
}

/* Lista de features */
.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-tech-gray);
  line-height: 1.5;
}

.service-feature::before {
  content: '✓';
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.service-card.agro     .service-feature::before { color: var(--color-agro); }
.service-card.ganaderia .service-feature::before { color: var(--color-gan); }
.service-card.bird     .service-feature::before { color: var(--color-iot); }

.service-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.service-card.agro     .btn { background: var(--color-agro); color: var(--bg-dark); border-color: var(--color-agro); }
.service-card.ganaderia .btn { background: var(--color-gan);  color: var(--color-white); border-color: var(--color-gan); }
.service-card.bird     .btn { background: var(--color-iot);  color: var(--bg-dark); border-color: var(--color-iot); }

.service-card.agro     .btn:hover { background: var(--color-agro-dark); border-color: var(--color-agro-dark); }
.service-card.ganaderia .btn:hover { background: var(--color-gan-dark);  border-color: var(--color-gan-dark); }
.service-card.bird     .btn:hover { background: var(--color-iot-dark);  border-color: var(--color-iot-dark); }

/* ── 8. CÓMO FUNCIONA ──────────────────────────────────────────── */
#como-funciona {
  position: relative;
  padding: var(--section-padding);
  background: var(--bg-dark);
  overflow: hidden;
}

/* Línea conectora entre pasos */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.step:nth-child(2) { transition-delay: 0.15s; }
.step:nth-child(3) { transition-delay: 0.30s; }

.step-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(93,184,201,0.15);
  flex-shrink: 0;
  width: 64px;
  text-align: right;
  padding-top: 0.15rem;
  letter-spacing: -0.02em;
}

.step-body {
  border-left: 2px solid rgba(93,184,201,0.2);
  padding-left: 1.5rem;
  flex: 1;
}

.step-icon {
  width: 48px;
  height: 48px;
  background: rgba(93,184,201,0.1);
  border: 1px solid rgba(93,184,201,0.25);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-icon svg { color: var(--color-iot); }

.step-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-tech-gray);
  line-height: 1.7;
}

/* Grid de índices */
.indices-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-iot);
  margin-bottom: 1.25rem;
  text-align: center;
}

.indices-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.index-chip {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  background: var(--bg-dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.index-chip .chip-name {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-agro);
}

.index-chip .chip-desc {
  font-size: 0.78rem;
  color: var(--color-sergeo-gray);
}

/* ── 9. PARTNERS ───────────────────────────────────────────────── */
#partners {
  padding: var(--section-padding);
  background: var(--bg-dark-2);
  position: relative;
  overflow: hidden;
}

.partners-category {
  margin-bottom: 2.5rem;
}

.partners-category-title {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-sergeo-gray);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.partner-card {
  background: var(--bg-dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  min-height: 90px;
}

.partner-card:hover {
  border-color: rgba(93,184,201,0.3);
  background: rgba(93,184,201,0.04);
  transform: translateY(-3px);
}

.partner-card img {
  max-height: 52px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.65;
  transition: opacity var(--transition), filter var(--transition);
}

.partner-card:hover img {
  opacity: 1;
  filter: brightness(0) invert(1);
}

/* Partner tecnológico: mantiene color en hover */
.partner-card.tech-partner:hover img {
  filter: none;
  opacity: 1;
}

/* ── 10. COBERTURA ─────────────────────────────────────────────── */
#cobertura {
  padding: var(--section-padding);
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

#cobertura .hex-pattern { opacity: 0.04; }

/* Mapa SVG de Sudamérica */
.cobertura-map-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}

.mapa-svg {
  width: 100%;
  max-width: 380px;
}

.mapa-svg .country {
  fill: rgba(255,255,255,0.05);
  stroke: rgba(255,255,255,0.12);
  stroke-width: 1;
  transition: fill var(--transition);
}

.mapa-svg .country.activo {
  fill: rgba(187,216,36,0.18);
  stroke: var(--color-agro);
}

.mapa-svg .country.sede {
  fill: rgba(187,216,36,0.35);
  stroke: var(--color-agro);
  stroke-width: 1.5;
}

/* Cards de país */
.cobertura-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  width: 100%;
}

.pais-card {
  background: var(--bg-dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--border-radius);
  padding: 1.1rem 1.25rem;
  transition: all var(--transition);
}

.pais-card:hover {
  border-color: rgba(187,216,36,0.3);
  transform: translateY(-2px);
}

.pais-card.sede {
  border-color: rgba(187,216,36,0.25);
}

.pais-flag {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.pais-nombre {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.pais-desc {
  font-size: 0.75rem;
  color: var(--color-sergeo-gray);
  line-height: 1.5;
}

.sede-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-agro);
  background: rgba(187,216,36,0.1);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.4rem;
}

/* ── 11. CONTACTO ──────────────────────────────────────────────── */
#contacto {
  padding: var(--section-padding);
  background: var(--bg-dark-2);
  position: relative;
  overflow: hidden;
}

#contacto .hex-pattern { opacity: 0.04; }

.contacto-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}

/* Información de contacto */
.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contacto-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contacto-icon {
  width: 44px;
  height: 44px;
  background: rgba(93,184,201,0.1);
  border: 1px solid rgba(93,184,201,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-iot);
}

.contacto-item-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sergeo-gray);
  margin-bottom: 0.2rem;
}

.contacto-item-value {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
}

.contacto-item-value a:hover {
  color: var(--color-iot);
}

/* WhatsApp CTA */
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #25D366;
  color: white;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  transition: all var(--transition);
  margin-top: 0.5rem;
}
.whatsapp-btn:hover {
  background: #1ebe57;
  transform: translateY(-2px);
}

/* Formulario */
.contacto-form {
  background: var(--bg-dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.5rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

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

.form-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-sergeo-gray);
}

.form-input,
.form-select,
.form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-iot);
  box-shadow: 0 0 0 3px rgba(93,184,201,0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255,255,255,0.25);
}

.form-select option {
  background: var(--bg-dark-3);
  color: var(--color-white);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.form-error {
  font-size: 0.75rem;
  color: var(--color-gan);
  display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-textarea {
  border-color: var(--color-gan);
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
}

.form-success.visible { display: block; }

.form-success-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.form-success p {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-agro);
}

.btn-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ── 12. FOOTER ────────────────────────────────────────────────── */
footer {
  background: #060A0F;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 3rem 1.5rem 1.5rem;
}

.footer-top {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 0.75rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--color-sergeo-gray);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-tech-gray);
  margin-bottom: 1rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--color-sergeo-gray);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--color-agro); }

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-contact-list li {
  font-size: 0.85rem;
  color: var(--color-sergeo-gray);
}

.footer-contact-list a:hover { color: var(--color-iot); }

.footer-bird-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-iot);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.footer-bird-link:hover { color: var(--color-iot-dark); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(153,153,153,0.5);
}

/* ── 13. SCROLL REVEAL (animación de entrada) ──────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.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; }

/* ── 14. RESPONSIVE — MOBILE ONLY (<768px) ────────────────────── */
@media (max-width: 767px) {
  .hero-logo-watermark {
    display: none;
  }
}

/* ── 15. RESPONSIVE — TABLET (≥768px) ─────────────────────────── */
@media (min-width: 768px) {
  :root {
    --section-padding: 6rem 1.5rem;
  }

  .nav-hamburger { display: none; }
  .nav-mobile-menu { display: none !important; }
  .nav-menu { display: flex; }
  .nav-cta { display: inline-flex; }

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

  .steps-container {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }

  .step {
    flex-direction: column;
    flex: 1;
  }

  .step-num { width: auto; text-align: left; }

  .step-body {
    border-left: none;
    border-top: 2px solid rgba(93,184,201,0.2);
    padding-left: 0;
    padding-top: 1.25rem;
  }

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

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

  .contacto-grid {
    grid-template-columns: 1fr 1.4fr;
  }

  .cobertura-map-container {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: 3rem;
  }

  .mapa-svg {
    max-width: 280px;
    flex-shrink: 0;
  }

  .cobertura-cards {
    flex: 1;
  }

  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

/* ── 15. RESPONSIVE — DESKTOP (≥1024px) ───────────────────────── */
@media (min-width: 1024px) {
  :root {
    --section-padding: 7rem 2rem;
  }

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

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

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

  .form-group.full-width {
    grid-column: 1 / -1;
  }

  .hero-content {
    max-width: 860px;
  }

  .mapa-svg {
    max-width: 340px;
  }
}

/* ── 16. SCROLLBAR personalizada ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(93,184,201,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-iot); }