/* ==========================================================================
   BALVIL AGRICULTURA 4.0 - REDISEÑO CORPORATIVO SOBRIO
   Estilo: Monocolor blanco, azul corporativo (#02497d), sobrio, elegante y limpio.
   Demostración oficial SimCodec (Cloudflare Workers Assets)
   ========================================================================== */

:root {
  /* Paleta institucional BALVIL */
  --color-primary: #02497d;
  --color-primary-hover: #035aa3;
  --color-primary-dark: #082338;
  --color-primary-light: #e8f1f8;
  --color-primary-50: #f0f7fc;

  /* Acentos complementarios sobrios */
  --color-accent-teal: #0284c7;
  --color-accent-green: #059669; /* Indicador agronómico sutil NDVI */
  --color-accent-green-bg: #ecfdf5;

  /* Escala monocromática sobria en base blanca */
  --color-white: #ffffff;
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;

  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);

  /* Sombras sutiles y elegantes (no estridentes) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Transición sutil */
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  color: var(--color-slate-700);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Contenedor centralizado */
.container-custom {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Helpers */
.hidden { display: none !important; }
.text-center { text-align: center; }
.bg-white { background-color: var(--color-white); }
.bg-slate-50 { background-color: var(--color-slate-50); }

/* ==========================================================================
   1. AVISO OBLIGATORIO DE DEMOSTRACIÓN (HEADER Y FOOTER)
   ========================================================================== */
.demo-banner-top {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 0;
  position: relative;
  z-index: 60;
}

.demo-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(255, 255, 255, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #93c5fd;
}

.demo-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #38bdf8;
  box-shadow: 0 0 6px #38bdf8;
}

.demo-banner-text {
  flex: 1;
  text-align: center;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: #e2e8f0;
}

.demo-banner-text strong {
  color: var(--color-white);
  font-weight: 700;
}

.demo-banner-link {
  color: #7dd3fc;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.75rem;
  transition: var(--transition);
}

.demo-banner-link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

/* Aviso en footer */
.demo-banner-footer {
  background-color: #0b1f33;
  color: #cbd5e1;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.demo-banner-footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  flex-wrap: wrap;
}

.demo-footer-badge {
  background-color: rgba(255, 255, 255, 0.1);
  color: #93c5fd;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.demo-footer-statement {
  font-size: 0.875rem;
  color: #f1f5f9;
}

.demo-footer-statement strong {
  color: #ffffff;
}

/* ==========================================================================
   2. HEADER & NAVEGACIÓN
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-slate-200);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: #ffffff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  max-height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-desktop {
  display: none;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: block;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-heading);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-slate-600);
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone-link {
  display: none;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--color-slate-700);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--color-slate-200);
  background-color: var(--color-slate-50);
  transition: var(--transition);
}

@media (min-width: 640px) {
  .header-phone-link {
    display: inline-flex;
  }
}

.header-phone-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-white);
}

.icon-phone {
  width: 1rem;
  height: 1rem;
  color: var(--color-primary);
}

/* Botones estándar */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--color-primary);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(2, 73, 125, 0.15);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(2, 73, 125, 0.2);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-white);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--color-slate-300);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: var(--color-slate-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background-color: transparent;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--color-primary);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.45rem 1rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 1rem;
  height: 1rem;
  transition: transform 0.2s;
}

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

/* Botón menú móvil */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-slate-200);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
}

@media (min-width: 900px) {
  .mobile-toggle {
    display: none;
  }
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--color-slate-700);
  transition: var(--transition);
}

.mobile-menu {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 1.25rem 1.5rem;
}

.mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-link {
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-slate-700);
  padding: 0.5rem 0;
  display: block;
  border-bottom: 1px solid var(--color-slate-100);
}

.mobile-link:hover {
  color: var(--color-primary);
}

.mobile-menu-footer {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-phone, .mobile-email {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  text-decoration: none;
  font-weight: 500;
}

/* ==========================================================================
   3. HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 4rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--color-slate-200);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary-50);
  border: 1px solid #d0e3f2;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.hero-brand-tag {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-slate-900);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-headline {
    font-size: 3.25rem;
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--color-slate-600);
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* KPIs de estadísticas */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-slate-200);
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
  line-height: 1.35;
}

/* Visual Hero */
.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-slate-200);
  background-color: var(--color-slate-100);
}

.hero-img {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.hero-overlay-tag {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background-color: rgba(8, 35, 56, 0.92);
  backdrop-filter: blur(8px);
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
}

.telemetry-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #94a3b8;
  text-transform: uppercase;
}

.telemetry-value {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: #ffffff;
}

.telemetry-divider {
  width: 1px;
  height: 28px;
  background-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   4. TRUST BAR (COMPROMISO Y CERTIFICACIONES)
   ========================================================================== */
.trust-bar {
  background-color: var(--color-white);
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-slate-200);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.trust-icon {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.trust-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.25rem;
}

.trust-desc {
  font-size: 0.85rem;
  color: var(--color-slate-500);
  line-height: 1.45;
}

/* ==========================================================================
   5. SECCIONES GENERALES & HEADERS
   ========================================================================== */
.section-padding {
  padding: 5rem 0;
}

.section-header {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-slate-900);
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.35rem;
  }
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-slate-600);
  line-height: 1.6;
}

.section-divider {
  width: 50px;
  height: 3px;
  background-color: var(--color-primary);
  margin: 1.25rem auto 0;
  border-radius: 2px;
}

/* ==========================================================================
   6. QUIÉNES SOMOS (NOSOTROS)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 0.95fr 1.05fr;
  }
}

.about-image-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-slate-200);
  background-color: var(--color-white);
}

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

.about-quote-box {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 1.5rem;
  border-top: 3px solid var(--color-primary);
}

.quote-text {
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.5;
  color: #f1f5f9;
  margin-bottom: 0.5rem;
}

.quote-author {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #93c5fd;
}

.lead-text-box {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--color-slate-200);
  border-right: 1px solid var(--color-slate-200);
  border-bottom: 1px solid var(--color-slate-200);
}

.lead-paragraph {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-slate-800);
}

.lead-paragraph strong {
  color: var(--color-primary);
}

.body-paragraph {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-slate-600);
  margin-bottom: 2rem;
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
}

@media (min-width: 600px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pillar-card {
  background-color: var(--color-white);
  padding: 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--color-slate-200);
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.pillar-icon-box {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 6px;
  background-color: var(--color-primary-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pillar-icon-box svg {
  width: 1.25rem;
  height: 1.25rem;
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.2rem;
}

.pillar-desc {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
  line-height: 1.45;
}

.about-cta-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.link-corporate {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.link-corporate:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* ==========================================================================
   7. SERVICIOS (PORTAFOLIO DE PRECISIÓN)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.service-num {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-slate-300);
}

.service-card:hover .service-num {
  color: var(--color-primary);
}

.service-icon-wrapper {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 8px;
  background-color: var(--color-primary-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon-wrapper svg {
  width: 1.5rem;
  height: 1.5rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-slate-900);
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
}

.service-description {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
  flex: 1;
}

.service-features li {
  font-size: 0.8125rem;
  color: var(--color-slate-600);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.4;
}

.check-icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.service-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-slate-100);
}

/* ==========================================================================
   8. SIMULADOR AGRÍCOLA CORPORATIVO
   ========================================================================== */
.calculator-card {
  background-color: var(--color-white);
  border-radius: 12px;
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
  padding: 2.25rem;
  max-width: 1000px;
  margin: 0 auto;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 850px) {
  .calculator-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.calc-section-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-slate-200);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate-700);
  margin-bottom: 0.4rem;
}

.form-select,
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--color-slate-800);
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-300);
  border-radius: 6px;
  transition: var(--transition);
}

.form-select:focus,
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(2, 73, 125, 0.1);
}

.range-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.range-badge {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary);
  background-color: var(--color-primary-50);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.form-range {
  width: 100%;
  height: 6px;
  background: var(--color-slate-200);
  border-radius: 3px;
  outline: none;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.range-steps {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--color-slate-400);
  margin-top: 0.35rem;
}

/* Resultados del simulador */
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-box {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: 8px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
}

.result-number {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.result-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-slate-800);
  margin-top: 0.25rem;
}

.result-detail {
  font-size: 0.72rem;
  color: var(--color-slate-500);
  margin-top: 0.15rem;
}

.calc-cta-box {
  background-color: var(--color-primary-50);
  border: 1px solid #d0e3f2;
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
}

.calc-cta-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate-700);
  margin-bottom: 0.85rem;
}

/* ==========================================================================
   9. PROYECTOS
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  background-color: var(--color-white);
  border-radius: 10px;
  border: 1px solid var(--color-slate-200);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--color-slate-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.project-img-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  background-color: var(--color-slate-100);
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover .project-img {
  transform: scale(1.03);
}

.project-category {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background-color: rgba(8, 35, 56, 0.88);
  backdrop-filter: blur(4px);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.loc-icon {
  width: 0.9rem;
  height: 0.9rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-slate-900);
  line-height: 1.35;
  margin-bottom: 0.65rem;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--color-slate-600);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-slate-600);
  background-color: var(--color-slate-100);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  border: 1px solid var(--color-slate-200);
}

/* ==========================================================================
   10. CONTACTO & COTIZACIÓN
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.contact-info-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 12px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
}

.contact-panel-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 0.6rem;
}

.contact-panel-desc {
  font-size: 0.9rem;
  color: var(--color-slate-600);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  margin-bottom: 2.25rem;
}

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

.detail-icon-circle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--color-primary-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-icon-circle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.detail-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-slate-500);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.detail-value {
  font-size: 0.925rem;
  color: var(--color-slate-800);
  line-height: 1.45;
}

.contact-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.contact-link:hover {
  text-decoration: underline;
  color: var(--color-primary-hover);
}

.contact-direct-actions {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-slate-200);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  background-color: #25d366;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Tarjeta Formulario Corporativo */
.contact-form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 12px;
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.form-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-slate-900);
  letter-spacing: 0.02em;
  margin-bottom: 0.4rem;
}

.form-card-subtitle {
  font-size: 0.875rem;
  color: var(--color-slate-500);
  margin-bottom: 1.75rem;
}

.corporate-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

@media (min-width: 600px) {
  .form-row {
    flex-direction: row;
  }
  .flex-1 {
    flex: 1;
  }
}

.form-footer-action {
  margin-top: 0.5rem;
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-alert {
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 1rem;
}

.form-alert.success {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.form-alert.error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ==========================================================================
   11. PIE DE PÁGINA CORPORATIVO (FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--color-slate-900);
  color: var(--color-slate-300);
  margin-top: auto;
}

.footer-main {
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1.1fr 1.4fr;
  }
}

.footer-logo {
  max-height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 1.25rem;
}

.footer-about-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-circle {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-circle:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.social-circle svg {
  width: 1.15rem;
  height: 1.15rem;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 3px;
}

.footer-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.address-line {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #cbd5e1;
}

.address-contact {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #cbd5e1;
}

.address-contact a {
  color: #93c5fd;
  text-decoration: none;
}

.address-contact a:hover {
  text-decoration: underline;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: #94a3b8;
}

.copyright-text {
  margin: 0;
}

.simcodec-credit a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 600;
}

.simcodec-credit a:hover {
  color: #ffffff;
  text-decoration: underline;
}