/* ==========================================================================
   SERVICIOS INTEGRALES RDT, C.A. - ESTILOS PROFESIONALES DE LANDING PAGE
   Confiabilidad Industrial, Mantenimiento Predictivo y Gestión de Activos
   ========================================================================== */

:root {
  /* Paleta Corporativa */
  --navy: #071a2e;
  --navy-dark: #04101d;
  --navy-light: #0d2a4a;
  --navy-card: #102944;
  --accent: #f26522;          /* Naranja corporativo RDT */
  --accent-hover: #d95314;
  --cyan: #29c2d1;            /* Cian tecnológico de monitoreo */
  --cyan-dark: #0a8390;
  --cyan-glow: rgba(41, 194, 209, 0.15);
  --lime: #10b981;            /* Verde de condición óptima */
  --ink: #10243a;             /* Texto principal oscuro */
  --muted: #5d6a78;           /* Texto secundario */
  --muted-light: #9fb2c2;     /* Texto secundario sobre fondos oscuros */
  --line: #dce4ea;            /* Bordes y separadores */
  --line-dark: rgba(255, 255, 255, 0.12);
  --paper: #f5f7f9;           /* Fondo gris claro */
  --white: #ffffff;
  
  /* Sistema de espaciado y tipografía */
  --radius: 20px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 20px 60px rgba(7, 26, 46, 0.08);
  --shadow-lg: 0 30px 80px rgba(7, 26, 46, 0.18);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--ink);
  background-color: var(--white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

button, input, select, textarea {
  font: inherit;
}

/* Estructura */
.container {
  width: min(1200px, calc(100% - 40px));
  margin-inline: auto;
}

section {
  padding: 100px 0;
}

/* Tipografía */
h1, h2, h3, h4, p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 10px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background-color: currentColor;
}

.eyebrow-light {
  color: var(--cyan);
}

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: #c4d3df;
  max-width: 740px;
  line-height: 1.65;
  font-weight: 400;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 10px 25px rgba(242, 101, 34, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(242, 101, 34, 0.4);
}

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

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
}

.btn-outline:hover {
  border-color: var(--navy);
  background: var(--paper);
}

.btn-sm {
  min-height: 40px;
  padding: 0 18px;
  font-size: 0.85rem;
}

/* ==========================================================================
   CABECERA Y NAVEGACIÓN
   ========================================================================== */
.nav {
  position: fixed;
  z-index: 99;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(7, 26, 46, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.nav-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 900;
  letter-spacing: 0.04em;
  font-size: 1.15rem;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: grid;
  place-items: center;
  box-shadow: 0 4px 15px rgba(242, 101, 34, 0.4);
  color: var(--white);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-weight: 700;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #d1dde6;
  font-size: 0.92rem;
  font-weight: 600;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.location-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--muted-light);
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
}

.location-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
}

.menu-btn {
  display: none;
  background: none;
  border: 0;
  color: var(--white);
  padding: 8px;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  background: radial-gradient(circle at 85% 15%, rgba(41, 194, 209, 0.12), transparent 45%),
              linear-gradient(175deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
  overflow: hidden;
  padding: 170px 0 100px;
}

.hero::before {
  content: "";
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  border: 1px solid rgba(41, 194, 209, 0.1);
  top: -200px;
  right: -200px;
  box-shadow: 0 0 0 120px rgba(41, 194, 209, 0.02),
              0 0 0 240px rgba(41, 194, 209, 0.01);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.hero h1 span {
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
  color: var(--muted-light);
  font-size: 0.9rem;
  font-weight: 500;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-item i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(41, 194, 209, 0.15);
}

/* Tarjetas de vitrina en el Hero */
.hero-showcase {
  position: relative;
  z-index: 3;
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.showcase-card {
  position: relative;
  background: var(--navy-card);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 24px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.28);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
}

.showcase-card:hover {
  transform: translateY(-4px);
  border-color: rgba(41, 194, 209, 0.5);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}

.showcase-card .icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(41, 194, 209, 0.12);
  display: grid;
  place-items: center;
  color: var(--cyan);
  margin-bottom: 20px;
  border: 1px solid rgba(41, 194, 209, 0.2);
}

.showcase-card .icon-box svg {
  width: 24px;
  height: 24px;
}

.showcase-card small {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 800;
  margin-bottom: 4px;
}

.showcase-card strong {
  font-size: 1.18rem;
  color: var(--white);
  line-height: 1.3;
}

.showcase-card p {
  font-size: 0.85rem;
  color: var(--muted-light);
  margin-top: 8px;
  margin-bottom: 0;
}

/* ==========================================================================
   METODOLOGÍA: EL CICLO DE CONFIABILIDAD
   ========================================================================== */
.methodology {
  background: var(--paper);
}

.section-intro {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 50px;
}

.section-intro p {
  color: var(--muted);
  font-size: 1.1rem;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.flow-item {
  position: relative;
  padding: 36px 30px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.flow-item:last-child {
  border-right: none;
}

.flow-step-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.flow-item:last-child .flow-step-badge {
  background: var(--accent);
}

.flow-item h3 {
  font-size: 1.22rem;
}

.flow-item p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

.flow-item:not(:last-child)::after {
  content: "→";
  position: absolute;
  z-index: 2;
  right: -15px;
  top: 42px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--navy);
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 0.9rem;
}

/* ==========================================================================
   PROPUESTA DE VALOR: FALLA PRIMARIA VS SECUNDARIA
   ========================================================================== */
.value-prop {
  background: var(--white);
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.radar-panel {
  position: relative;
  min-height: 480px;
  background: var(--navy);
  border-radius: 28px;
  overflow: hidden;
  padding: 40px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.radar-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(41, 194, 209, 0.18), transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(242, 101, 34, 0.22), transparent 50%);
  pointer-events: none;
}

.radar-header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-indicator i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.diagnostic-box {
  position: relative;
  z-index: 2;
  margin: 30px 0;
}

.diagnostic-svg {
  width: 100%;
  height: 160px;
}

.diagnostic-card {
  position: relative;
  z-index: 2;
  background: var(--white);
  color: var(--ink);
  padding: 20px 24px;
  border-radius: 18px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diagnostic-card small {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.diagnostic-card strong {
  display: block;
  font-size: 1.3rem;
  margin-top: 2px;
}

.diagnostic-badge {
  background: #fff3ed;
  color: var(--accent);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 800;
}

.value-copy p {
  color: var(--muted);
  font-size: 1.08rem;
}

.comparison-list {
  list-style: none;
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.comparison-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--paper);
  border-radius: 16px;
  border-left: 4px solid var(--accent);
}

.comparison-item.secondary {
  border-left-color: #ef4444;
}

.comparison-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--ink);
}

.comparison-item p {
  font-size: 0.88rem;
  margin: 0;
  color: var(--muted);
}

/* ==========================================================================
   SERVICIOS VERIFICADOS
   ========================================================================== */
.services-section {
  background: var(--navy);
  color: var(--white);
}

.services-section .section-intro p {
  color: var(--muted-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-dark);
  border-radius: 22px;
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(41, 194, 209, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.service-card-top {
  margin-bottom: 24px;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(242, 101, 34, 0.2), rgba(242, 101, 34, 0.05));
  border: 1px solid rgba(242, 101, 34, 0.3);
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 22px;
}

.service-icon svg {
  width: 26px;
  height: 26px;
}

.service-card h3 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: #adbdca;
  line-height: 1.6;
}

.service-bullets {
  list-style: none;
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.service-bullets li {
  font-size: 0.84rem;
  color: #d2dee8;
  padding: 6px 0;
  display: flex;
  gap: 8px;
  align-items: center;
}

.service-bullets li::before {
  content: "✓";
  color: var(--cyan);
  font-weight: 900;
  font-size: 0.85rem;
}

.service-card-action {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   EQUIPAMIENTO Y TECNOLOGÍA (CATÁLOGO INDUSTRIAL)
   ========================================================================== */
.equipment-section {
  background: var(--paper);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.equipment-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.equipment-visual {
  height: 180px;
  background: var(--navy-card);
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.equipment-visual svg {
  width: 80px;
  height: 80px;
  color: var(--cyan);
  opacity: 0.9;
}

.equipment-visual-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--navy-dark);
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(41, 194, 209, 0.3);
}

.equipment-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.equipment-body h4 {
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 8px;
}

.equipment-body p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 20px;
}

/* ==========================================================================
   BENEFICIOS INDUSTRIALES
   ========================================================================== */
.benefits-section {
  background: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.benefit-item {
  padding: 32px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  transition: var(--transition);
}

.benefit-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  margin-bottom: 22px;
}

.benefit-item h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.benefit-item p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   EXPERIENCIA Y CLIENTES
   ========================================================================== */
.trust-section {
  background: var(--paper);
}

.stats-bar {
  background: var(--navy);
  color: var(--white);
  border-radius: 28px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  text-align: center;
  margin-bottom: 60px;
}

.stat-box strong {
  display: block;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-box span {
  color: #d5e1eb;
  font-size: 0.95rem;
  font-weight: 500;
}

.clients-box {
  text-align: center;
}

.clients-box h3 {
  font-size: 1.35rem;
  margin-bottom: 28px;
  color: var(--ink);
}

.clients-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 1000px;
  margin-inline: auto;
}

.client-chip {
  padding: 10px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ink);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.client-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ==========================================================================
   SECCIÓN DE CONTACTO Y FORMULARIO
   ========================================================================== */
.contact-section {
  background: linear-gradient(150deg, #071a2e 0%, #0c2b4d 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(41, 194, 209, 0.08);
  right: -150px;
  top: -150px;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 70px;
  align-items: start;
}

.contact-copy h2 {
  color: var(--white);
}

.contact-copy p {
  color: #b7c8d6;
  font-size: 1.05rem;
}

.hq-cards {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.hq-card {
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  border-left: 3px solid var(--accent);
}

.hq-card h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
  color: var(--white);
}

.hq-card p {
  font-size: 0.88rem;
  color: #ccd9e4;
  margin: 0;
}

.hq-card .phones {
  font-weight: 700;
  color: var(--cyan);
  margin-top: 4px;
}

/* Formulario */
.form-shell {
  background: var(--white);
  color: var(--ink);
  padding: 40px;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}

.form-shell h3 {
  font-size: 1.45rem;
  margin-bottom: 6px;
}

.form-shell .form-desc {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.field.full {
  grid-column: 1 / -1;
}

label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #38495a;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #ced8e2;
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--white);
  outline: none;
  font-size: 0.92rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(242, 101, 34, 0.12);
}

textarea {
  min-height: 90px;
  resize: vertical;
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 6px;
}

.checkbox-field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form-actions {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.form-actions .btn {
  width: 100%;
}

.form-feedback {
  display: none;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 14px;
  text-align: center;
}

.form-feedback.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--navy-dark);
  color: #98aab9;
  padding: 60px 0 30px;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

/* ==========================================================================
   BOTÓN FLOTANTE Y SELECTOR DE WHATSAPP
   ========================================================================== */
.whatsapp-float-container {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.whatsapp-popup {
  display: none;
  width: 280px;
  background: var(--white);
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--line);
  overflow: hidden;
  animation: popIn 0.25s ease;
}

.whatsapp-popup.open {
  display: block;
}

@keyframes popIn {
  from { opacity: 0; transform: translateY(10px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.popup-header {
  background: #25d366;
  color: var(--white);
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.popup-header strong {
  font-size: 0.95rem;
}

.popup-close {
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

.popup-body {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.hq-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.85rem;
  transition: var(--transition);
}

.hq-btn:hover {
  background: #f0fdf4;
  border-color: #25d366;
  color: #166534;
}

.hq-flag {
  font-size: 1.3rem;
}

.float-cta {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.float-cta:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.5);
}

.float-cta svg {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .section-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .hero-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    display: none;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-btn {
    display: block;
  }

  .nav-right .btn {
    display: none;
  }
  
  .flow-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .flow-item:nth-child(2) {
    border-right: none;
  }
  
  .flow-item {
    border-bottom: 1px solid var(--line);
  }
  
  .flow-item:not(:last-child)::after {
    display: none;
  }
  
  .value-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .stats-bar {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px;
  }
}

@media (max-width: 640px) {
  section {
    padding: 70px 0;
  }

  .hero {
    padding: 130px 0 60px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-showcase {
    grid-template-columns: 1fr;
  }

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

  .flow-item {
    border-right: none;
    padding: 28px 20px;
  }

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

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

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

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

  .field.full {
    grid-column: auto;
  }

  .form-shell {
    padding: 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .whatsapp-float-container {
    right: 18px;
    bottom: 18px;
  }

  .whatsapp-popup {
    width: calc(100vw - 36px);
  }
}