:root {
  --primary-color: #041a28;
  --secondary-color: #1d313e;
  --accent-color: #81bfe7;
  --light-bg: #f8fafc;
  --text-dark: #0f172a;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text-dark);
  background-color: #fff;
  line-height: 1.6;
}

html,
body {
  overflow-x: hidden;
}

.container {
  max-width: 120rem;
  padding: 0 1.2rem; /* base mobile: estrecho. queries.css lo amplía en desktop */
  margin: 0 auto;
}

.fondo-main {
  /* Minibús o van en un entorno de trabajo industrial/yacimiento */
  background-image: url(Imgs/PORTADA\ BERING.webp);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.fondo-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}
.hero {
  position: relative;
}

.tagline {
  font-size: 1rem;
  font-weight: 600;
  color: #e88763;
  margin-bottom: 0.6rem;
}

/******************************************************************************************/

/*NAVBAR*/

.main-navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: clamp(0.5rem, 2vw, 1rem) 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
  transform: translateY(0);
  opacity: 1;
}

.main-navbar.hidden {
  transform: translateY(-100%);
  opacity: 0;
}

.main-navbar.visible {
  transform: translateY(0);
  opacity: 1;
}

.logo--main-navbar {
  height: clamp(2.5rem, 4vw, 3.8rem);
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.navbar-options {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.navbar-options:hover {
  color: var(--accent-color) !important;
  transform: scale(1.05);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* HERO */
.fondo-main {
  background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
  position: relative;
  overflow: hidden;
}

.fondo-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(59, 130, 246, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(30, 64, 175, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.hero {
  padding: 80px 1.5rem 60px; /* mobile base: navbar ~55px + algo de aire */
  position: relative;
  z-index: 1;
  text-align: center;
  min-height: auto; /* queries.css lo sube a 90vh en desktop */
  display: flex;
  align-items: center;
  justify-content: center;
}

.aliados-text {
  color: var(--accent-color);
  font-size: clamp(0.8rem, 1vw, 0.95rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  animation: slideUp 0.8s ease-out;
}

.main-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 1.5rem 0;
  color: var(--text-dark);
  animation: slideUp 0.8s ease-out 0.1s both;
}

.main-title span {
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.descrip-text {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-light);
  max-width: 600px;
  margin: 1.5rem auto 2.5rem;
  animation: slideUp 0.8s ease-out 0.2s both;
}

.cta-btn {
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--accent-color)
  );
  color: white;
  border: none;

  padding: clamp(0.7rem, 1vw, 1rem) clamp(1.6rem, 3vw, 2.5rem);
  font-size: clamp(0.9rem, 1vw, 1rem);

  font-weight: 600;
  border-radius: clamp(30px, 5vw, 50px);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);

  display: inline-flex;
  align-items: center;
  gap: clamp(0.3rem, 0.6vw, 0.5rem);

  animation: slideUp 0.8s ease-out 0.3s both;
  position: relative;
  overflow: hidden;
}

.cta-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--accent-color),
    var(--secondary-color)
  );
  transition: var(--transition);
  z-index: -1;
}

.cta-btn:hover::before {
  left: 0;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.cta-btn:active {
  transform: translateY(-1px);
}

.btn-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.reunion-icon {
  font-size: 1.2rem;
}

/*********************************************************************************************************************/

/* SECCIÓN NOSOTROS */

.nos-section {
  padding: 100px 2rem;
  background: linear-gradient(to bottom, #f8fafc, #ffffff);
  position: relative;
}

.nos-title,
.servicio-titulo,
.pf-title,
.cta--forms-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.tagline {
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr; /* mobile-first: una columna */
  gap: 2rem;
  align-items: center;
}

.nos-subtitle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.icon-srv {
  color: var(--accent-color);
  font-size: 1.5rem;
}

.nos-text {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
}

.nos-text span {
  color: var(--secondary-color);
  font-weight: 600;
}

.img-nos {
  display: block;
  width: 100%;
  max-width: 100%; /* mobile-first: ocupa todo el ancho disponible */
  height: auto;
  max-height: 280px; /* tope de altura en mobile */
  object-fit: cover;
  border-radius: 1.25rem;
  margin: 0 auto;
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.img-nos:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

/*********************************************************************************************************************/

/* CINTA EMPRESAS */
.cinta-empresas {
  padding: 80px 2rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  text-align: center;
}

.empresas-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 3rem;
  font-weight: 700;
}

.empresas-imgs {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* mobile: 2 columnas */
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
}

.empresa-img {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: var(--transition);
  opacity: 0.8;
}

.empresa-img:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* SERVICIOS */
.servicios-seccion {
  padding: 100px 2rem;
  background: linear-gradient(to bottom, #ffffff, #f0f4f8);
}

.servicio-titulo {
  margin-bottom: 3rem;
}

.servicios-grid {
  display: grid;
  grid-template-columns: 1fr; /* mobile-first: una columna */
  gap: 1.5rem;
}

.servicio-card {
  background: #fff;
  padding: 2.5rem 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  will-change: transform, opacity;
}

.servicio-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--secondary-color),
    var(--accent-color)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

/* Pseudo-elemento para la animación de relleno diagonal */
.servicio-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--accent-color)
  );
  border-radius: 12px;
  clip-path: polygon(0 0, 0% 0%, 0% 100%, 0% 100%);
  transition: clip-path 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: -1;
}

.servicio-card:hover::after {
  clip-path: polygon(0 0, 100% 0%, 100% 100%, 0% 100%);
}

.servicio-card:hover::before {
  transform: scaleX(1);
}

.servicio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-color);
}

.servicio-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.servicio-card:hover {
  color: white !important;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.servicio-card:hover .card-title {
  color: white;
}

.servicio-desc {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.servicio-card:hover .servicio-desc {
  color: rgba(255, 255, 255, 0.9);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/******************************************************************************************/

/*CTA-FORMS*/

.cta-forms {
  padding: 6rem 0 6rem 0;
  color: #fff;
  text-align: center;
  background: linear-gradient(135deg, #f0f4f8, #ffffff);
}

fieldset {
  border: none;
}

.cta--forms-title span {
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.formulario {
  background: white;
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  max-width: 700px;
  margin: 0 auto;
}

.form-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-dark);
}

.form-title span {
  color: var(--accent-color);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr; /* mobile-first: una columna */
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group label ion-icon {
  color: var(--accent-color);
}

.form-group input,
.form-group textarea {
  padding: 0.75rem 0;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-family: "Poppins", sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  background: white;
  margin-bottom: 0.5rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: none;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.06);
}

.btn--form:focus,
.menu-toggle:focus {
  outline: none;
  box-shadow: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #cbd5e1;
}

.form-button {
  margin-top: 1rem;
}

.btn--form {
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--accent-color)
  );
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  width: 100%;
  font-size: 1rem;
}

.btn--form:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* PREGUNTAS FRECUENTES */
.preg-frecuentes {
  padding: 100px 2rem;
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
}

.pf-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

/*.faq-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}*/

.faq-titles {
  padding-top: 1rem;
}

.preguntas {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contenedor-pregunta {
  background: #fff;
  padding: 1.25rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition:
    box-shadow 260ms ease,
    border-left-color 260ms ease,
    transform 260ms ease;
}

/* Smooth collapsible response */
.respuesta-pregunta {
  /* collapse state */
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
  margin-top: 0;
  border-left: 4px solid var(--accent-color);
  background: #f9f9f9;
  color: var(--text-light);
  line-height: 1.7;
  transition:
    max-height 520ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 320ms ease,
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1),
    padding 320ms ease;
  transform: translateY(-6px);
  border-radius: 0 6px 6px 0;
  will-change: max-height, opacity, transform;
}

/* expanded state */
.respuesta-pregunta.active {
  max-height: 600px;
  opacity: 1;
  transform: translateY(0);
  padding: 1.5rem;
  margin-top: 0.5rem;
}

.contenedor-pregunta.active .pregs-icon {
  transform: rotate(180deg);
  color: var(--secondary-color);
}

.pregs-icon {
  font-size: 1.3rem;
  color: var(--accent-color);
  min-width: 25px;
  transition:
    transform 350ms cubic-bezier(0.2, 0.9, 0.2, 1),
    color 250ms ease;
}

/* FOOTER */
.footer {
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
  color: var(--text-light);
  padding: 4rem 2rem 2rem;
}

.img-cont {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.logo-footer {
  height: 4.6rem;
  margin: 0 0 4.6rem 0;
}

/*.img-cont {
  background-color: #005c69;
  width: 120px;
  height: 70px;
}*/

.logo-footer {
  height: 4.6rem;
  margin: 0 auto 4.6rem auto;
}

.datos {
  display: grid;
  grid-template-columns: 1fr; /* mobile-first: una columna */
  gap: 2rem;
  justify-content: center;
  align-items: start;
  text-align: center;
}

.footer-heading {
  color: #e88763;
  font-weight: 700;
  padding-bottom: 0.8rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-icons {
  color: #e88763;
  padding-right: 0.2rem;
}

.cam-empresariales {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  place-items: center;
  gap: 1.2rem;
}

.logo-cams {
  height: 3.6rem;
  margin-bottom: 1rem;
}

.acipsars {
  height: 4.8rem;
  margin-bottom: 1rem;
}

.logo-cams--1 {
  height: 4.6rem;
  margin-bottom: 1rem;
}