/* ==========================================================================
   Biomasa Design System & Styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette */
  --primary-green: #114b30;
  --primary-hover: #0c3823;
  --accent-green: #15803d;
  --light-bg: #f3f5f1;
  --card-bg: #ffffff;
  --dark-bg: #0d1611;
  --text-primary: #121814;
  --text-secondary: #526056;
  --text-muted: #78877c;
  --border-color: #e2e8e3;
  --badge-bg: #e5ece7;
  --badge-text: #114b30;
  --badge-alt-bg: #dbece2;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows & Layout */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --container-max: 1240px;
}

/* Reset & General Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 100px;
}

body {
  font-family: var(--font-body);
  background-color: var(--light-bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: var(--light-bg);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.menu-toggle {
  display: none;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  max-width: 380px;
  width: 100%;
}

.logo-img {
  max-width: 380px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 4px;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-green);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-green);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease-in-out;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* ==========================================================================
   Hero Section & Carousel
   ========================================================================== */
/* ==========================================================================
   Hero Section (Fondo Completo Imagen / Video + Overlay Paleta de Color)
   ========================================================================== */
.hero-section {
  padding: 0;
  position: relative;
  overflow: hidden;
  background-color: var(--dark-bg);
}

.hero-carousel {
  position: relative;
  width: 100%;
  min-height: 600px;
  height: 80vh;
  max-height: 700px;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-bg-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border: none;
}

/* Overlay con paleta de color oficial (Verde oscuro a Verde biomasa transparente) */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 22, 17, 0.75) 0%, rgba(17, 75, 48, 0.62) 45%, rgba(13, 22, 17, 0.75) 100%);
  z-index: 2;
}

.hero-container-inner {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.hero-content {
  max-width: 900px;
  color: #ffffff;
}

.badge-tag {
  display: inline-block;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-content .badge-tag {
  background-color: rgba(153, 194, 28, 0.2);
  color: #99C21C;
  border: 1px solid rgba(153, 194, 28, 0.4);
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero-content .hero-title {
  font-size: 3.5rem;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
  max-width: 90%;
}

.hero-content .hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.6;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

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

.btn-primary {
  background-color: var(--primary-green);
  color: #ffffff;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--primary-green);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary-green);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--primary-green);
}

.btn-secondary:hover {
  background-color: rgba(17, 75, 48, 0.05);
  transform: translateY(-2px);
}

.btn-hero-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
}

.btn-hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  border-color: #ffffff;
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: var(--shadow-md);
  transition: all 0.25s ease;
}

.carousel-control:hover {
  background: var(--primary-green);
  color: #ffffff;
  border-color: var(--primary-green);
  transform: translateY(-50%) scale(1.08);
}

.carousel-control.prev {
  left: 20px;
}

.carousel-control.next {
  right: 20px;
}

.carousel-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.carousel-indicators .indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-indicators .indicator.active {
  width: 32px;
  border-radius: 6px;
  background-color: #99C21C;
}

/* ==========================================================================
   Quiénes Somos Section (col-12)
   ========================================================================== */
.about-section {
  padding: 5rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.about-content.col-12 {
  width: 100%;
  max-width: 100%;
}

.section-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 2.25rem;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.section-title img {
  display: inline-block;
  margin: 0;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  max-width: 1100px;
}

.about-stats {
  display: flex;
  gap: 4rem;
  margin-top: 2.5rem;
}

.stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-green);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Sección Biomasa en Argentina
   ========================================================================== */
.biomasa-section {
  padding: 5.5rem 0 0;
  background-color: #ffffff;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.biomasa-header {
  margin-bottom: 3.5rem;
  max-width: 1200px;
}

.biomasa-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 0.75rem;
}

.biomasa-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.biomasa-card {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.biomasa-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-green);
}

.biomasa-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background-color: var(--badge-bg);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

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

.biomasa-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 0.6rem;
}

.biomasa-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Banner de Impacto (Full Width / Lado a lado) */
.impact-banner {
  width: 100%;
  background: linear-gradient(135deg, #0d1611 0%, #114b30 100%);
  color: #ffffff;
  padding: 4.5rem 0;
  margin: 4.5rem 0 0 0;
  box-shadow: var(--shadow-lg);
}

.impact-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
}

.impact-title {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.impact-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

.impact-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.impact-stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.impact-stat-card:hover {
  transform: translateY(-4px);
  background: rgba(153, 194, 28, 0.12);
  border-color: rgba(153, 194, 28, 0.5);
  box-shadow: 0 8px 24px rgba(153, 194, 28, 0.12);
}

.impact-stat-card.highlight {
  background: rgba(153, 194, 28, 0.12);
  border-color: rgba(153, 194, 28, 0.5);
}

.impact-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: #99C21C;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.impact-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #99C21C;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  transition: background 0.3s ease;
}

.impact-stat-card:hover .impact-icon-wrap {
  background: rgba(153, 194, 28, 0.25);
}

.impact-icon-wrap svg {
  width: 22px;
  height: 22px;
}

.impact-label {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.impact-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.5;
}

/* Enfoque Argentina Box */
.argentina-focus-box {
  background: #f8faf6;
  border: 1px solid var(--border-color);
  border-left: 5px solid #309966;
  border-radius: var(--radius-md);
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow-sm);
}

.argentina-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: #eef6f0;
  color: #309966;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.argentina-badge svg {
  width: 14px;
  height: 14px;
}

.argentina-focus-content h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-green);
  margin-bottom: 0.75rem;
}

.argentina-focus-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.argentina-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.argentina-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.argentina-list li svg {
  width: 20px;
  height: 20px;
  color: #309966;
  flex-shrink: 0;
  margin-top: 2px;
}

/* =========================================
   ECONOMÍA CIRCULAR
========================================= */

.economia-circular {
    width: 100%;
    padding: 3rem 20px 80px;
    background: #F5F7F1;
    overflow: hidden;
    font-family: var(--font-body);
}

.circular-container {
    position: relative;
    width: 1100px;
    max-width: 100%;
    height: 1000px;
    margin: 0 auto;
}

/* =========================================
   CENTRO
========================================= */

.circular-center {
    position: absolute;
    width: 426px;
    height: 426px;

    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);

    border: 2px solid #309966;
    border-radius: 50%;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    text-align: center;

    background: #F5F7F1;

    z-index: 5;
}

.center-icon {
    font-size: 42px;
    margin-bottom: 10px;
}

.circular-center img {
    max-width: 67px !important;
}

.circular-center h2 {
    margin: 0;

    color: #309966;

    font-size: 48px;
    line-height: 0.95;
    font-weight: 800;
    letter-spacing: -1px;
}

.circular-center p {
    margin: 20px 0;

    color: #26352D;

    font-size: 20px;
    line-height: 1.4;
}

/* =========================================
   VALORES CENTRALES
========================================= */

.center-values {
    display: flex;
    gap: 25px;
    margin-top: 10px;
}

.center-values span {
    display: flex;
    flex-direction: column;
    align-items: center;

    color: #99C21C;

    font-size: 20px;
}

.center-values small {
    margin-top: 4px;

    color: #309966;

    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* =========================================
   ETAPAS (Íconos agrandados un 12% más: 162px -> 182px)
========================================= */

.circular-step {
    position: absolute;

    width: 340px;

    display: flex;
    align-items: flex-start;

    z-index: 4;
}

.step-icon {
    width: 182px;
    height: 182px;

    flex-shrink: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 4px solid #99C21C;
    border-radius: 50%;

    background: #ffffff;

    box-shadow: 0 6px 22px rgba(48, 153, 102, 0.14);
    overflow: hidden;
    position: relative;
}

.step-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.circular-step:hover .step-icon img {
    transform: scale(1.1);
}

.step-content {
    padding: 8px 0 0 15px;
}

.step-number {
    position: absolute;

    top: -10px;
    left: -10px;

    width: 40px;
    height: 40px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #309966;
    color: #ffffff;

    border-radius: 50%;
    border: 1px solid #000000;

    font-size: 18px;
    font-weight: 700;

    z-index: 6;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.circular-step h3 {
    margin: 0 0 8px;

    color: #309966;

    font-size: 16px;
    line-height: 1.15;

    font-weight: 800;
}

.step-content p,
.circular-step p {
    margin: 0;
    width: 100%;
    min-width: 130px;

    color: #26352D;

    font-size: 13px;
    line-height: 1.4;
}

/* =========================================
   POSICIÓN DE LAS ETAPAS (Ajustadas para círculos de 182px)
========================================= */

/* 1 - Generación (12:00 - Arriba) */
.step-1 {
    top: 20px;
    left: calc(50% - 170px);
    width: 340px;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.step-1 .step-content {
    padding: 10px 0 0 0;
}
.step-1 .step-number {
    top: -5px;
    left: 74px;
}

/* 2 - Recolección (12:10 - Arriba Derecha) */
.step-2 {
    top: 200px;
    right: 15px;
    width: 340px;
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
}
.step-2 .step-content {
    padding: 8px 0 0 15px;
}
.step-2 .step-number {
    top: -10px;
    left: -10px;
}

/* 3 - Procesamiento (12:20 - Abajo Derecha) */
.step-3 {
    top: 630px;
    right: 15px;
    width: 340px;
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
}
.step-3 .step-content {
    padding: 8px 0 0 15px;
}
.step-3 .step-number {
    top: -10px;
    left: -10px;
}

/* 4 - Valorización (12:30 - Abajo) */
.step-4 {
    top: 755px;
    left: calc(50% - 170px);
    width: 340px;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.step-4 .step-content {
    padding: 10px 0 0 0;
}
.step-4 .step-number {
    top: -5px;
    left: 74px;
}

/* 5 - Producción (12:40 - Abajo Izquierda) */
.step-5 {
    top: 630px;
    left: 15px;
    width: 340px;
    flex-direction: row-reverse;
    align-items: flex-start;
    text-align: right;
}
.step-5 .step-content {
    padding: 8px 15px 0 0;
}
.step-5 .step-number {
    top: -10px;
    right: -10px;
    left: auto;
}

/* 6 - Nuevo Ciclo (12:50 - Arriba Izquierda) */
.step-6 {
    top: 200px;
    left: 15px;
    width: 340px;
    flex-direction: row-reverse;
    align-items: flex-start;
    text-align: right;
}
.step-6 .step-content {
    padding: 8px 15px 0 0;
}
.step-6 .step-number {
    top: -10px;
    right: -10px;
    left: auto;
}

.step-7 {
    display: none;
}

/* =========================================
   FLECHAS CIRCULARES
========================================= */

.arrow {
    position: absolute;
    color: #309966;
    font-size: 40px;
    z-index: 2;
}

.arrow-1 {
    top: 145px;
    right: 395px;
    transform: rotate(35deg);
}

.arrow-2 {
    top: 485px;
    right: 165px;
    transform: rotate(90deg);
}

.arrow-3 {
    top: 795px;
    right: 395px;
    transform: rotate(145deg);
}

.arrow-4 {
    top: 795px;
    left: 395px;
    transform: rotate(215deg);
}

.arrow-5 {
    top: 485px;
    left: 165px;
    transform: rotate(270deg);
}

.arrow-6 {
    top: 145px;
    left: 395px;
    transform: rotate(325deg);
}

.arrow-7 {
    display: none;
}

/* =========================================
   RESPONSIVE ECONOMÍA CIRCULAR
========================================= */

@media (max-width: 900px) {

    .economia-circular {
        padding: 50px 20px;
    }

    .circular-container {
        width: 100%;
        height: auto;

        display: flex;
        flex-direction: column;
        align-items: center;

        gap: 35px;
    }

    .circular-center {
        position: relative;

        top: auto;
        left: auto;

        transform: none;

        width: 320px;
        height: 320px;

        order: 0;

        margin: 0 auto 30px;
        text-align: center;
    }

    .circular-center h2 {
        font-size: 34px;
        text-align: center;
    }

    .circular-center p {
        font-size: 15px;
        text-align: center;
    }

    .circular-step {
        position: relative;

        top: auto;
        right: auto;
        bottom: auto;
        left: auto;

        width: 100%;
        max-width: 420px;

        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;

        order: 1;
    }

    .step-icon {
        width: 100px;
        height: 100px;
        font-size: 32px;
        margin: 0 auto;
    }

    .step-number {
        top: -5px !important;
        left: calc(50% - 50px) !important;
        right: auto !important;
    }

    .step-content {
        padding: 12px 0 0 0 !important;
        text-align: center !important;
    }

    .step-content h3 {
        text-align: center !important;
    }

    .step-content p,
    .circular-step p {
        text-align: center !important;
        min-width: 0 !important;
        width: 100% !important;
    }

    .arrow {
        display: none;
    }
}

/* =========================================
   MOBILE ECONOMÍA CIRCULAR
========================================= */

@media (max-width: 500px) {

    .economia-circular {
        padding: 40px 15px;
    }

    .circular-center {
        width: 280px;
        height: 280px;
    }

    .circular-center h2 {
        font-size: 28px;
        text-align: center;
    }

    .center-values {
        gap: 15px;
        justify-content: center;
    }

    .circular-step {
        max-width: 100%;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }

    .step-icon {
        width: 85px;
        height: 85px;
        border-width: 3px;
        font-size: 27px;
    }

    .step-number {
        width: 30px;
        height: 30px;
        font-size: 14px;
        top: -5px !important;
        left: calc(50% - 42px) !important;
        right: auto !important;
    }

    .circular-step h3 {
        font-size: 15px;
        text-align: center;
    }

    .circular-step p {
        font-size: 13px;
        text-align: center;
    }
}

/* ==========================================================================
   Línea de Tiempo Section
   ========================================================================== */
.timeline-section {
  padding: 5rem 0 6rem;
}

.timeline-header {
  text-align: center;
  margin-bottom: 4rem;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem 2rem;
  position: relative;
}

.timeline-step {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.step-card {
  margin-top: auto;
}

.step-badge {
  width: 48px;
  height: 48px;
  background: #ffffff;
  border: 2px solid var(--primary-green);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-green);
  box-shadow: 0 0 0 6px var(--light-bg);
}

.timeline-step.active .step-badge {
  background-color: var(--primary-green);
  color: #ffffff;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  padding: 0 0.5rem;
}

.step-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.step-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-top: 1rem;
}

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

.step-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ==========================================================================
   Metrics Banner (Dark Theme)
   ========================================================================== */
.metrics-banner {
  background-color: var(--dark-bg);
  color: #ffffff;
  padding: 4.5rem 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  align-items: center;
}

.metric-item {
  padding: 0 1.1rem;
  position: relative;
}

.metric-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  bottom: 15%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.12);
}

.metric-value {
  font-family: var(--font-heading);
  font-size: calc(3rem + 5px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.metric-value > span:not(.counter) {
  font-size: 2rem;
}

.metric-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
  line-height: 1.25;
}

.metric-label {
  font-size: calc(0.70rem - 2px);
  color: #bbbbbb;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ==========================================================================
   Productos Valorizados Section
   ========================================================================== */
.products-section {
  padding: 6rem 0;
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
}

.products-header-left {
  max-width: 640px;
}

.products-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

.catalog-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.catalog-link:hover {
  text-decoration: underline;
  gap: 0.6rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-image {
  height: 167px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.product-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.product-badge-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--badge-bg);
  color: var(--primary-green);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(17, 75, 48, 0.08);
}

.product-badge-arrow i,
.product-badge-arrow svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
  animation: arrowPulse 2s infinite ease-in-out;
}

@keyframes arrowPulse {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(5px);
  }
}

.product-card:hover .product-badge-arrow {
  background-color: var(--primary-green);
  color: #ffffff;
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 4px 14px rgba(17, 75, 48, 0.3);
}

.product-card:hover .product-badge-arrow i,
.product-card:hover .product-badge-arrow svg {
  animation: arrowPulse 0.8s infinite ease-in-out;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  flex-grow: 1;
  line-height: 1.5;
}

.product-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
}

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

/* ==========================================================================
   Footer & Contact Section
   ========================================================================== */
.site-footer {
  background-color: #eaece7;
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-brand p {
  color: #26332a;
  font-size: 0.92rem;
  margin-top: 1rem;
  max-width: 480px;
  line-height: 1.55;
}

.footer-contact-info {
  list-style: none;
  padding: 0;
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.footer-contact-info li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: #121814;
  font-size: 0.95rem;
  font-weight: 500;
}

.footer-contact-info li i {
  color: var(--primary-green);
  font-size: 1.15rem;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.footer-contact-info li a {
  color: #121814;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-contact-info li a:hover {
  color: var(--accent-green);
  text-decoration: underline;
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1.25rem;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all 0.25s ease;
}

.icon-btn:hover {
  background: var(--primary-green);
  color: #ffffff;
}

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

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-col p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-col ul a:hover {
  color: var(--primary-green);
}

/* Form Card */
.contact-card {
  background: #ffffff;
  border: 1px solid var(--primary-green);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.contact-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #121814;
}

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

@media (max-width: 576px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

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

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #212c24;
  margin-bottom: 0.4rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  background-color: #fafafa;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(17, 75, 48, 0.1);
  background-color: #ffffff;
}

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

.btn-submit {
  width: 100%;
  background-color: var(--primary-green);
  color: #ffffff;
  padding: 0.85rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.25s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 1.75rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 992px) {
  .logo {
    max-width: 260px;
  }

  .hero-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

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

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

  .metric-item:not(:last-child)::after {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero-carousel {
    min-height: 540px;
    height: 85vh;
  }

  .hero-content .hero-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
  }

  .hero-content .hero-description {
    font-size: 0.95rem;
    max-width: 100%;
    margin-bottom: 1.75rem;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .biomasa-grid,
  .impact-stats-grid {
    grid-template-columns: 1fr;
  }

  .impact-banner {
    padding: 2.25rem 1.25rem;
  }

  .argentina-focus-box {
    padding: 1.75rem 1.25rem;
  }

  .header-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    position: relative;
  }

  .logo {
    max-width: 220px;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--primary-green);
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-sm);
    z-index: 101;
  }

  .menu-toggle svg {
    width: 28px;
    height: 28px;
  }

  .menu-toggle .icon-close {
    display: none;
  }

  .menu-toggle.active .icon-menu {
    display: none;
  }

  .menu-toggle.active .icon-close {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-in-out, opacity 0.3s ease, padding 0.3s ease;
    opacity: 0;
    visibility: hidden;
    margin-left: 0;
  }

  .main-nav.open {
    max-height: 320px;
    opacity: 1;
    visibility: visible;
    padding: 1rem 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  .main-nav a {
    font-size: 1rem;
    padding: 0.4rem 1rem;
    display: inline-block;
  }

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

/* ==========================================================================
   Botón Volver Arriba (Back to Top)
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary-green);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: #99C21C;
  color: #ffffff;
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* ==========================================================================
   Widget Flotante WhatsApp Chat
   ========================================================================== */
.whatsapp-widget-container {
  position: fixed;
  bottom: 5.8rem;
  right: 2rem;
  z-index: 1000;
}

.whatsapp-float {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: #25D366;
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  text-decoration: none;
  outline: none;
}

.whatsapp-float:hover {
  background-color: #20ba5a;
  color: #ffffff;
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
}

.whatsapp-float .wa-icon-wa {
  font-size: 30px;
}

.whatsapp-float .wa-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: #e53935;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
}

/* Chat Box */
.wa-chat-box {
  position: absolute;
  bottom: 68px;
  right: 0;
  width: 320px;
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  transform-origin: bottom right;
}

.wa-chat-box.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* Header */
.wa-chat-header {
  background-color: #075E54;
  color: #ffffff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wa-header-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wa-avatar {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #128C7E;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #ffffff;
}

.wa-online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background-color: #25D366;
  border: 2px solid #075E54;
  border-radius: 50%;
}

.wa-title-wrapper {
  display: flex;
  flex-direction: column;
}

.wa-chat-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  color: #ffffff;
}

.wa-chat-subtitle {
  margin: 2px 0 0 0;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
}

.wa-close-btn {
  background: transparent;
  border: none;
  color: #ffffff;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  opacity: 0.8;
  transition: opacity 0.2s, background-color 0.2s;
}

.wa-close-btn:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.15);
}

.wa-close-btn svg {
  width: 18px;
  height: 18px;
}

/* Body */
.wa-chat-body {
  background-color: #efeae2;
  background-image: radial-gradient(rgba(0,0,0,0.05) 1px, transparent 0);
  background-size: 12px 12px;
  padding: 16px;
  max-height: 220px;
  min-height: 120px;
  overflow-y: auto;
}

.wa-chat-bubble {
  background-color: #ffffff;
  padding: 10px 14px;
  border-radius: 0 12px 12px 12px;
  max-width: 90%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  position: relative;
}

.wa-sender-name {
  margin: 0 0 4px 0;
  font-size: 12px;
  font-weight: 700;
  color: #128C7E;
}

.wa-msg-text {
  margin: 0;
  font-size: 13px;
  color: #303030;
  line-height: 1.4;
}

.wa-msg-time {
  display: block;
  text-align: right;
  font-size: 10px;
  color: #8696a0;
  margin-top: 4px;
}

/* Footer Form */
.wa-chat-footer {
  padding: 10px 12px;
  background-color: #f0f2f5;
  display: flex;
  align-items: center;
  gap: 8px;
}

.wa-input {
  flex: 1;
  border: 1px solid #e0e0e0;
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 13px;
  outline: none;
  background-color: #ffffff;
  transition: border-color 0.2s;
  color: #333333;
}

.wa-input:focus {
  border-color: #128C7E;
}

.wa-send-btn {
  background-color: #128C7E;
  color: #ffffff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
  flex-shrink: 0;
}

.wa-send-btn:hover {
  background-color: #075E54;
}

.wa-send-btn i {
  font-size: 14px;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
  }
  .whatsapp-widget-container {
    bottom: 4.8rem;
    right: 1.25rem;
  }
  .whatsapp-float {
    width: 48px;
    height: 48px;
  }
  .whatsapp-float .wa-icon-wa {
    font-size: 26px;
  }
  .wa-chat-box {
    width: calc(100vw - 2.5rem);
    max-width: 310px;
    right: 0;
  }
}