/* ================================================
   SGEO - Servicios Geoambientales SAC
   Hoja de Estilos Principal
   Paleta: Tierra / Técnico
   ================================================ */

:root {
  --naranja: #D4520A;
  --naranja-oscuro: #A83E07;
  --naranja-claro: #F4813B;
  --gris-oscuro: #2C3236;
  --gris-medio: #4A5568;
  --gris-claro: #718096;
  --crema: #F5F0EB;
  --crema-oscura: #E8DDD0;
  --blanco: #FFFFFF;
  --cafe: #6B4C2A;
  --tierra: #8B7355;
  --negro: #1A1A1A;
  --sombra: 0 4px 20px rgba(0,0,0,0.12);
  --sombra-hover: 0 8px 32px rgba(0,0,0,0.18);
  --radio: 8px;
  --transicion: all 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--gris-oscuro);
  background-color: var(--blanco);
  line-height: 1.6;
}

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

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

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

/* ================================================
   BARRA DE INFORMACIÓN SUPERIOR
   ================================================ */
.topbar {
  background-color: var(--gris-oscuro);
  color: #ccc;
  font-size: 0.82rem;
  padding: 6px 0;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar a {
  color: #ccc;
}

.topbar a:hover {
  color: var(--naranja-claro);
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-right {
  display: flex;
  gap: 20px;
}

/* ================================================
   NAVEGACIÓN
   ================================================ */
.navbar {
  background-color: var(--blanco);
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.navbar-logo img {
  height: 52px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gris-oscuro);
  padding: 8px 14px;
  border-radius: var(--radio);
  transition: var(--transicion);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--naranja);
  background-color: rgba(212, 82, 10, 0.07);
}

.nav-cta {
  background-color: var(--naranja) !important;
  color: var(--blanco) !important;
  padding: 10px 22px !important;
  border-radius: var(--radio) !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background-color: var(--naranja-oscuro) !important;
  color: var(--blanco) !important;
}

/* Hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--gris-oscuro);
  transition: var(--transicion);
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  background: linear-gradient(135deg, var(--gris-oscuro) 0%, #3D4550 60%, #4A3728 100%);
  color: var(--blanco);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(212, 82, 10, 0.2);
  color: var(--naranja-claro);
  border: 1px solid var(--naranja);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

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

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.80);
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radio);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--naranja);
  color: var(--blanco);
}

.btn-primary:hover {
  background-color: var(--naranja-oscuro);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212,82,10,0.40);
}

.btn-outline {
  background-color: transparent;
  color: var(--blanco);
  border-color: rgba(255,255,255,0.50);
}

.btn-outline:hover {
  background-color: rgba(255,255,255,0.10);
  border-color: var(--blanco);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--naranja-claro);
  display: block;
}

.hero-stat .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 36px;
  backdrop-filter: blur(10px);
  width: 100%;
  max-width: 380px;
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.90);
}

.service-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(212,82,10,0.15);
  border: 1px solid rgba(212,82,10,0.30);
  color: var(--naranja-claro);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  margin: 5px 4px;
}

.service-chip .dot {
  width: 8px;
  height: 8px;
  background-color: var(--naranja);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ================================================
   SECCIONES GENERALES
   ================================================ */
section {
  padding: 80px 0;
}

.section-label {
  display: inline-block;
  color: var(--naranja);
  font-size: 0.80rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-title span {
  color: var(--naranja);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gris-claro);
  max-width: 620px;
  margin-bottom: 48px;
}

.section-header {
  margin-bottom: 48px;
}

.section-header.centered {
  text-align: center;
}

.section-header.centered .section-desc {
  margin: 0 auto 48px;
}

/* ================================================
   SECCIÓN SERVICIOS (CARDS)
   ================================================ */
.bg-crema {
  background-color: var(--crema);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--blanco);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: var(--sombra);
  transition: var(--transicion);
  border-top: 4px solid transparent;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--naranja), var(--naranja-claro));
  transform: scaleX(0);
  transition: var(--transicion);
  transform-origin: left;
}

.service-card:hover {
  box-shadow: var(--sombra-hover);
  transform: translateY(-5px);
  border-top-color: var(--naranja);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--gris-claro);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--naranja);
  font-size: 0.88rem;
  font-weight: 600;
}

.service-link:hover {
  gap: 10px;
  color: var(--naranja-oscuro);
}

/* ================================================
   POR QUÉ ELEGIRNOS
   ================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.feature-item {
  text-align: center;
  padding: 32px 20px;
}

.feature-icon-wrap {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--naranja), var(--naranja-oscuro));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  box-shadow: 0 6px 20px rgba(212,82,10,0.30);
}

.feature-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 10px;
}

.feature-item p {
  font-size: 0.90rem;
  color: var(--gris-claro);
}

/* ================================================
   PROCESO
   ================================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--naranja), var(--naranja-claro));
  z-index: 0;
}

.process-step {
  text-align: center;
  padding: 20px 12px;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 72px;
  height: 72px;
  background: var(--blanco);
  border: 3px solid var(--naranja);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--naranja);
  box-shadow: 0 4px 16px rgba(212,82,10,0.20);
}

.process-step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 6px;
}

.process-step p {
  font-size: 0.82rem;
  color: var(--gris-claro);
}

/* ================================================
   NORMAS / TAGS
   ================================================ */
.normas-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.norma-tag {
  background: var(--blanco);
  border: 2px solid var(--crema-oscura);
  color: var(--gris-oscuro);
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transicion);
}

.norma-tag:hover {
  border-color: var(--naranja);
  color: var(--naranja);
}

/* ================================================
   CTA BANNER
   ================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--gris-oscuro), #4A3728);
  color: var(--blanco);
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 36px;
}

/* ================================================
   NOSOTROS
   ================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  font-size: 1rem;
  color: var(--gris-medio);
  margin-bottom: 16px;
  line-height: 1.75;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.value-item {
  background: var(--crema);
  border-left: 4px solid var(--naranja);
  padding: 16px 18px;
  border-radius: 0 var(--radio) var(--radio) 0;
}

.value-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 4px;
}

.value-item p {
  font-size: 0.82rem;
  color: var(--gris-claro);
}

.mv-card {
  background: var(--gris-oscuro);
  color: var(--blanco);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 20px;
}

.mv-card .mv-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--naranja-claro);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mv-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.7;
}

.team-highlight {
  background: var(--crema);
  border-radius: 12px;
  padding: 32px;
  margin-top: 20px;
}

.team-highlight h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 12px;
}

.team-highlight p {
  font-size: 0.92rem;
  color: var(--gris-medio);
  line-height: 1.7;
}

/* ================================================
   CONTACTO
   ================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background: var(--crema);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  background: var(--naranja);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-card-text h4 {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gris-claro);
  margin-bottom: 4px;
}

.contact-card-text p,
.contact-card-text a {
  font-size: 0.98rem;
  color: var(--gris-oscuro);
  font-weight: 500;
}

.contact-card-text a:hover {
  color: var(--naranja);
}

/* Formulario */
.contact-form {
  background: var(--blanco);
  border: 1px solid var(--crema-oscura);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--sombra);
}

.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gris-oscuro);
  margin-bottom: 24px;
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gris-medio);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--crema-oscura);
  border-radius: var(--radio);
  font-size: 0.95rem;
  color: var(--gris-oscuro);
  background: var(--crema);
  transition: var(--transicion);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--naranja);
  background: var(--blanco);
  box-shadow: 0 0 0 3px rgba(212,82,10,0.10);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ================================================
   FOOTER
   ================================================ */
footer {
  background-color: var(--negro);
  color: rgba(255,255,255,0.75);
}

.footer-main {
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.60);
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.07);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: var(--transicion);
  color: rgba(255,255,255,0.75);
}

.social-link:hover {
  background: var(--naranja);
  color: var(--blanco);
}

.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--blanco);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.60);
  transition: var(--transicion);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  color: var(--naranja-claro);
  padding-left: 4px;
}

.footer-col ul li a::before {
  content: '›';
  color: var(--naranja);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.60);
  margin-bottom: 12px;
}

.footer-contact-item span:first-child {
  flex-shrink: 0;
  color: var(--naranja-claro);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}

.footer-bottom a {
  color: var(--naranja-claro);
}

/* ================================================
   PAGE HEADER (páginas interiores)
   ================================================ */
.page-header {
  background: linear-gradient(135deg, var(--gris-oscuro) 0%, #3D4550 70%, #4A3728 100%);
  color: var(--blanco);
  padding: 70px 0 60px;
  text-align: center;
}

.page-header .breadcrumb {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.60);
  margin-bottom: 12px;
}

.page-header .breadcrumb a {
  color: var(--naranja-claro);
}

.page-header h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto;
}

/* ================================================
   SERVICIO DETALLE (página servicios)
   ================================================ */
.service-detail {
  background: var(--blanco);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--sombra);
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
}

.service-detail-sidebar {
  background: linear-gradient(160deg, var(--gris-oscuro), #3D4550);
  padding: 36px 28px;
  color: var(--blanco);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-detail-sidebar .big-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.service-detail-sidebar h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 12px;
}

.service-detail-sidebar p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
}

.service-detail-body {
  padding: 36px 40px;
}

.service-detail-body h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--naranja);
  margin-bottom: 14px;
}

.service-tests {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.test-tag {
  background: var(--crema);
  border: 1px solid var(--crema-oscura);
  color: var(--gris-oscuro);
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 0.84rem;
  font-weight: 500;
  transition: var(--transicion);
}

.test-tag:hover {
  background: var(--naranja);
  color: var(--blanco);
  border-color: var(--naranja);
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-visual { display: none; }
  .hero h1 { font-size: 2.2rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .service-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .topbar { display: none; }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanco);
    box-shadow: var(--sombra);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
  }

  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .navbar .container { position: relative; }

  .section-title { font-size: 1.6rem; }
  .hero h1 { font-size: 1.9rem; }
  .hero-stats { grid-template-columns: 1fr; gap: 12px; }

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

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

  .process-grid::before { display: none; }
  .process-grid { grid-template-columns: 1fr 1fr; }

  .contact-form { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .hero { padding: 70px 0 60px; }
  section { padding: 60px 0; }
  .process-grid { grid-template-columns: 1fr; }
}