/* 
   TAMAL CDMX — Estilos principales 
   */

/* Variables globales */
:root {
  --green-dark:  #1a4a2e;
  --green-mid:   #2d7a4a;
  --green-light: #4caf6e;
  --green-pale:  #e8f5ee;
  --green-pale2: #f0f9f4;
  --teal:        #2a8fa0;
  --teal-pale:   #e0f4f8;
  --orange:      #f5a623;
  --orange-pale: #fff3e0;
  --red:         #e53935;
  --purple:      #7c3aed;
  --purple-pale: #f3f0ff;
  --text-dark:   #1a2e1f;
  --text-mid:    #4a5e4f;
  --text-light:  #7a8e7f;
  --white:       #ffffff;
  --border:      #e0ede5;
  --shadow-sm:   0 2px 8px rgba(30,80,50,0.06);
  --shadow:      0 4px 16px rgba(30,80,50,0.09);
  --shadow-lg:   0 8px 40px rgba(30,80,50,0.14);
  --radius:      16px;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text-dark);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

/*NAVEGACIÓN */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: 64px;
}
.nav-logo { font-weight: 700; font-size: 1.1rem; color: var(--green-mid); letter-spacing: 0.5px; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-link {
  font-size: 0.84rem; font-weight: 500; color: var(--text-mid);
  text-decoration: none; padding: 7px 14px; border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover { background: var(--green-pale); color: var(--green-mid); }
.btn-login {
  background: var(--green-mid); color: #fff; border: none;
  border-radius: 8px; padding: 10px 22px; font-size: 0.88rem;
  font-weight: 600; cursor: pointer; font-family: inherit;
  transition: background 0.2s, transform 0.1s;
}
.btn-login:hover { background: var(--green-dark); transform: translateY(-1px); }

/*HERO */
.hero {
  margin-top: 64px;
  background: linear-gradient(135deg, #1a7a40 0%, #2aaa6a 45%, #1a8aaa 100%);
  min-height: 500px;
  display: flex; align-items: center;
  padding: 80px 48px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 72% 50%, rgba(255,255,255,0.07) 0%, transparent 55%),
                    radial-gradient(circle at 92% 12%, rgba(255,255,255,0.04) 0%, transparent 40%);
}
.hero::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 50px;
  background: linear-gradient(to bottom, transparent, #fff);
}
.hero-content { max-width: 640px; position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px; padding: 5px 14px; font-size: 0.75rem;
  font-weight: 700; color: rgba(255,255,255,0.9); margin-bottom: 20px;
  letter-spacing: 1px; text-transform: uppercase;
}
.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 3.8rem; color: #fff; line-height: 1.05; margin-bottom: 14px;
}
.hero h2 {
  font-size: 1.1rem; color: rgba(255,255,255,0.85);
  font-weight: 500; margin-bottom: 16px; line-height: 1.5;
}
.hero p {
  font-size: 0.95rem; color: rgba(255,255,255,0.75);
  line-height: 1.7; margin-bottom: 36px; max-width: 520px;
}
.hero-search { display: flex; gap: 10px; align-items: stretch; }
.hero-search input {
  flex: 1; max-width: 420px;
  padding: 14px 20px; border-radius: 10px; border: none;
  font-size: 1rem; font-family: inherit;
  background: rgba(255,255,255,0.96); color: var(--text-dark);
  outline: none; box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.btn-buscar {
  background: var(--orange); color: #fff; border: none; border-radius: 10px;
  padding: 14px 28px; font-size: 1rem; font-weight: 700;
  cursor: pointer; font-family: inherit;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 4px 16px rgba(245,166,35,0.35);
}
.btn-buscar:hover { background: #e09010; transform: translateY(-2px); }

/* BASE DE SECCIONES */
section { padding: 80px 48px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.73rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--green-mid); margin-bottom: 10px;
}
.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: 2.1rem; color: var(--text-dark); margin-bottom: 10px; line-height: 1.2;
}
.section-subtitle { color: var(--text-light); font-size: 0.97rem; margin-bottom: 48px; line-height: 1.6; }
.centered { text-align: center; }

/*IMPACTO EN TIEMPO */
.impacto { background: #fff; }
.cards-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; max-width: 1100px; margin: 0 auto;
}
.stat-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  text-align: left; box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s; position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green-mid), var(--green-light));
  opacity: 0; transition: opacity 0.25s;
}
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.stat-card:hover::before { opacity: 1; }
.stat-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 18px;
}
.icon-green  { background: var(--green-pale); }
.icon-teal   { background: var(--teal-pale); }
.icon-green2 { background: var(--green-pale); }
.icon-orange { background: var(--orange-pale); }
.stat-number { font-size: 2.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.stat-label  { font-weight: 600; color: var(--text-dark); font-size: 0.9rem; }
.stat-desc   { font-size: 0.82rem; color: var(--text-light); margin-top: 4px; }

/*PRECIOS DE LA CANASTA BÁSICA */
.precios-cb { background: var(--green-pale2); }
.canal-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  max-width: 1100px; margin: 0 auto 32px;
}
.canal-tab {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 10px; border: 1.5px solid var(--border);
  background: #fff; font-size: 0.86rem; font-weight: 600;
  cursor: pointer; font-family: inherit; color: var(--text-mid); transition: all 0.2s;
}
.canal-tab.active, .canal-tab:hover { border-color: var(--green-mid); background: var(--green-mid); color: #fff; }
.canasta-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  max-width: 1100px; margin: 0 auto 32px;
}
.btn-filtrar {
  display: flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--border); background: #fff;
  border-radius: 8px; padding: 10px 20px;
  font-size: 0.86rem; font-weight: 600; cursor: pointer;
  font-family: inherit; color: var(--text-dark); transition: all 0.2s;
}
.btn-filtrar:hover { border-color: var(--green-mid); color: var(--green-mid); }
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 1100px; margin: 0 auto 32px;
}
.product-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow-sm); transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-header {
  display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4px;
}
.product-name { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); }
.product-cat  { font-size: 0.8rem; color: var(--text-light); margin-bottom: 14px; }
.badge { font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 20px; white-space: nowrap; }
.badge-alta  { background: var(--green-mid); color: #fff; }
.badge-media { background: var(--orange); color: #fff; }
.badge-baja  { background: var(--red); color: #fff; }
.price-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.price-label  { font-size: 0.8rem; color: var(--text-light); }
.price-value  { font-size: 1.7rem; font-weight: 700; color: var(--green-mid); line-height: 1; }
.price-unit   { font-size: 0.8rem; color: var(--text-light); }
.price-change { font-size: 0.76rem; font-weight: 700; }
.up   { color: var(--red); }
.down { color: var(--green-light); }
.price-range { display: flex; gap: 20px; margin-bottom: 16px; font-size: 0.78rem; }
.price-range div  { color: var(--text-mid); }
.price-range span { color: var(--red); font-weight: 700; }
.price-range .low { color: var(--green-mid); font-weight: 700; }
.eco-row {
  display: flex; justify-content: space-between;
  font-size: 0.8rem; color: var(--text-mid);
  padding: 7px 0; border-top: 1px solid var(--border);
}
.eco-label { display: flex; align-items: center; gap: 6px; }
.eco-val   { font-weight: 700; }
.price-compare-wrap { max-width: 1100px; margin: 40px auto 0; }
.price-compare-title {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-light); margin-bottom: 14px;
}
.price-compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin-bottom: 12px;
}
.price-box { border-radius: var(--radius); padding: 28px 24px; }
.price-box-cheap { border: 2px solid #a5d6a7; background: #f1faf3; }
.price-box-exp   { border: 2px solid #ffcdd2; background: #fff8f8; }
.price-box-label { font-size: 0.8rem; color: var(--text-light); margin-bottom: 4px; }
.price-box-name  { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.price-box-amount { font-size: 2.2rem; font-weight: 700; }
.cheap-amount { color: var(--green-mid); }
.exp-amount   { color: var(--red); }
.price-box-note { font-size: 0.8rem; color: var(--text-light); margin-top: 6px; }
.price-note {
  background: var(--green-pale); border-radius: 10px;
  padding: 12px 20px; font-size: 0.8rem; color: var(--text-mid); 
}

.btn-ver-todos {
  display: block; margin: 32px auto 0;
  border: 1.5px solid var(--border); background: #fff;
  border-radius: 10px; padding: 14px 44px;
  font-size: 0.95rem; font-weight: 700; cursor: pointer;
  font-family: inherit; color: var(--text-dark); transition: all 0.2s;
}
.btn-ver-todos:hover { background: var(--green-pale); border-color: var(--green-mid); color: var(--green-mid); }

/*HUELLAS DE CARBONO Y AGUA */
.huellas-section { background: #fff; }
.huellas-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 28px; max-width: 1100px; margin: 0 auto;
}
.huella-card {
  border-radius: 22px; padding: 40px;
  position: relative; overflow: hidden;
}
.huella-card-carbon { background: linear-gradient(140deg, #707a77 0%, #3e443e 100%); }
.huella-card-agua   { background: linear-gradient(140deg, #0d3d5a 0%, #1a8aaa 100%); }
.huella-card::before {
  content: '';
  position: absolute; top: -50px; right: -50px;  
  width: 220px; height: 220px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
  pointer-events: none;
}
.huella-card::after {
  content: '';
  position: absolute; bottom: -30px; left: -30px;
  width: 140px; height: 140px; border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}
.huella-icon-big { font-size: 3rem; margin-bottom: 14px; display: block; }
.huella-card h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.65rem; margin-bottom: 8px; color: #fff;
}
.huella-card > p { font-size: 0.88rem; color: rgba(255,255,255,0.7); margin-bottom: 24px; line-height: 1.6; }
.huella-metric {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px; padding: 14px 18px; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 1;
}
.huella-metric-label { font-size: 0.8rem; color: rgba(255,255,255,0.7); }
.huella-metric-value { font-size: 1.2rem; font-weight: 700; color: #fff; }

/* Indicador práctico */
.indicador-practico {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px; padding: 18px; margin-top: 18px; position: relative; z-index: 1;
}
.indicador-practico-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 10px;
}
.indicador-practico-main { display: flex; align-items: center; gap: 14px; }
.indicador-icon { font-size: 2.4rem; }
.indicador-text { font-size: 0.86rem; color: rgba(255,255,255,0.85); line-height: 1.5; }
.indicador-text strong { font-size: 1.05rem; display: block; color: #fff; margin-bottom: 2px; }

/* Barras de productos */
.huella-productos { margin-top: 22px; position: relative; z-index: 1; }
.huella-prod-row  { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 0.8rem; }
.huella-prod-name { width: 110px; color: rgba(255,255,255,0.8); flex-shrink: 0; }
.huella-bar-wrap  { flex: 1; background: rgba(255,255,255,0.1); border-radius: 6px; height: 8px; overflow: hidden; }
.huella-bar       { height: 100%; border-radius: 6px; }
.bar-carbon { background: linear-gradient(90deg, #a8e6c0, #56d48c); }
.bar-agua   { background: linear-gradient(90deg, #81d4fa, #29b6f6); }
.huella-prod-val  { width: 76px; text-align: right; color: rgba(255,255,255,0.8); font-weight: 600; }

/* DONAR / RECIBIR ALIMENTOS */
.donar-section   { background: linear-gradient(135deg, #f0fdf4 0%, #e8f5ee 100%); }
.recibir-section { background: linear-gradient(135deg, #e8f4f8 0%, #e0f4f8 100%); }

.donacion-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 44px; max-width: 1100px; margin: 0 auto; align-items: start;
}
.ventajas-list { list-style: none; margin: 0 0 28px; }
.ventajas-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 0.9rem; color: var(--text-mid); line-height: 1.5;
}
.ventajas-list li:last-child { border-bottom: none; }
.ventaja-icon {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0; margin-top: 1px;
}
.vi-green  { background: var(--green-pale); }
.vi-teal   { background: var(--teal-pale); }
.vi-orange { background: var(--orange-pale); }
.vi-purple { background: var(--purple-pale); }

/* Panel de registro */
.donacion-panel {
  background: #fff; border-radius: 22px;
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.panel-tabs { display: flex; border-bottom: 1px solid var(--border); }
.panel-tab {
  flex: 1; padding: 15px; font-size: 0.86rem; font-weight: 600;
  text-align: center; cursor: pointer; border: none;
  background: transparent; font-family: inherit; color: var(--text-light);
  transition: all 0.2s; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.panel-tab.active { color: var(--green-mid); border-bottom-color: var(--green-mid); background: var(--green-pale2); }
.panel-content { padding: 28px; }
.registro-form { display: flex; flex-direction: column; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-mid); }
.form-input, .form-select, .form-textarea {
  padding: 11px 14px; border: 1.5px solid var(--border);
  border-radius: 9px; font-size: 0.9rem; font-family: inherit;
  color: var(--text-dark); transition: border-color 0.2s; outline: none; background: #fff;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--green-mid); }
.form-textarea { resize: vertical; min-height: 76px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-registro {
  width: 100%; padding: 14px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 700; cursor: pointer;
  border: none; font-family: inherit; transition: all 0.2s; margin-top: 4px;
}
.btn-registro-green { background: var(--green-mid); color: #fff; }
.btn-registro-green:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-registro-teal { background: var(--teal); color: #fff; }
.btn-registro-teal:hover { background: #1a6e7f; transform: translateY(-1px); }

/* Mini mapa en panel */



.mapared {
  margin: 0 auto;
  background-color: gray;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 700px;
  padding: 12px;
}

.mapared iframe {
  width: 100%;
  max-width: 660px;
  border: 0;
}

/* RED DE ABASTECIMIENTO Y COMEDORES */
.red-abasto { background: #fff; }
.abasto-counters {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; max-width: 1100px; margin: 0 auto 28px;
}
.abasto-count {
  display: flex; align-items: center; gap: 14px;
  border: 1.5px solid var(--border); border-radius: 12px;
  padding: 16px 20px; transition: all 0.2s;
}
.abasto-count:hover { border-color: var(--green-mid); background: var(--green-pale2); }
.abasto-dot {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.dot-green  { background: var(--green-mid); }
.dot-orange { background: var(--orange); }
.dot-blue   { background: #1976d2; }
.dot-red    { background: var(--red); }
.abasto-count-num   { font-size: 1.5rem; font-weight: 700; }
.abasto-count-label { font-size: 0.78rem; color: var(--text-light); }
.map-placeholder {
  max-width: 1100px; margin: 0 auto; height: 340px;
  border-radius: 20px; overflow: hidden; position: relative;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.map-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #dcedc8 0%, #c5e1a5 45%, #aed581 100%);
  display: flex; align-items: center; justify-content: center;
}
.map-center { text-align: center; }
.map-pin    { font-size: 2.5rem; margin-bottom: 8px; }
.map-label  { font-size: 0.88rem; color: #4a6a2a; font-weight: 600; }

/*RED DE DONACIONES */
.red-donaciones { background: linear-gradient(to bottom, #fafff8, #f0f9f4); text-align: center; }
.empty-state {
  max-width: 680px; margin: 0 auto;
  border: 1.5px dashed var(--border); border-radius: 20px;
  padding: 56px 40px; background: rgba(255,255,255,0.8);
}
.empty-icon   { font-size: 2.8rem; margin-bottom: 14px; opacity: 0.35; }
.empty-state h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.empty-state p  { font-size: 0.85rem; color: var(--text-light); }

/* IA — ASIGNACIÓN INTELIGENTE */
.ia-section { background: linear-gradient(135deg, #f3f0ff 0%, #ede8ff 100%); text-align: center; }
.ia-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #e8e0ff; color: #6b3fa0;
  border-radius: 20px; padding: 6px 16px;
  font-size: 0.8rem; font-weight: 700; margin-bottom: 20px; letter-spacing: 0.5px;
}
.ia-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 900px; margin: 32px auto;
}
.ia-card { background: #fff; border-radius: 14px; padding: 24px; box-shadow: var(--shadow); }
.ia-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 12px;
}
.ia-yellow { background: #fff8e1; }
.ia-green  { background: var(--green-pale); }
.ia-purple { background: var(--purple-pale); }
.ia-card-num   { font-size: 1.8rem; font-weight: 700; }
.ia-card-label { font-size: 0.8rem; color: var(--text-light); margin-top: 2px; }
.btn-ia {
  background: var(--purple); color: #fff; border: none; border-radius: 12px;
  padding: 15px 40px; font-size: 1rem; font-weight: 700;
  cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 10px;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 4px 20px rgba(124,58,237,0.3);
}
.btn-ia:hover { background: #6d28d9; transform: translateY(-2px); }

/* MATERIALES COMPLEMENTARIOS */
.materiales-section {
  background: linear-gradient(135deg, #1a2e1f 0%, #1a3d3d 100%);
}
.materiales-section .section-label { color: rgba(255,255,255,0.45); }
.materiales-section .section-title { color: #fff; }
.materiales-section .section-subtitle { color: rgba(255,255,255,0.55); }
.materiales-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 1100px; margin: 0 auto;
}
.material-card {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 28px;
  transition: all 0.25s; cursor: pointer;
  text-decoration: none; color: inherit; display: block;
}
.material-card:hover {
  background: rgba(255,255,255,0.13); border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
}
.material-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 18px;
}
.mi-green  { background: rgba(76,175,110,0.25); }
.mi-teal   { background: rgba(42,143,160,0.25); }
.mi-orange { background: rgba(245,166,35,0.25); }
.mi-blue   { background: rgba(25,118,210,0.25); }
.mi-purple { background: rgba(124,58,237,0.25); }
.mi-red    { background: rgba(229,57,53,0.25); }
.material-card h3   { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: #fff; }
.material-card p    { font-size: 0.84rem; color: rgba(255,255,255,0.58); line-height: 1.65; }
.material-tag {
  display: inline-block; margin-top: 14px; font-size: 0.7rem;
  font-weight: 700; letter-spacing: 0.8px; color: rgba(255,255,255,0.35);
  text-transform: uppercase;
}

/*ECONOMÍA CIRCULAR */
.economia { background: linear-gradient(135deg, #f0f9f4 0%, #e8f4f8 100%); }
.economia-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; max-width: 1000px; margin: 0 auto;
}
.eco-card { background: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); transition: all 0.2s; }
.eco-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.eco-card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 18px;
}
.eco-card h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 10px; }
.eco-card p  { font-size: 0.86rem; color: var(--text-light); line-height: 1.65; }

/* FOOTER */
footer {
  background: #fff; border-top: 1px solid var(--border);
  padding: 52px 48px 28px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; max-width: 1100px; margin: 0 auto 36px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-logo {
  width: 38px; height: 38px; background: var(--green-mid);
  border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-size: 1.1rem;
}
.footer-brand-name { font-weight: 700; font-size: 1.05rem; color: var(--green-mid); }
.footer-desc { font-size: 0.82rem; color: var(--text-light); line-height: 1.7; max-width: 240px; }
.footer-col h4 { font-weight: 700; margin-bottom: 16px; font-size: 0.86rem; color: var(--text-dark); }
.footer-col a {
  display: block; font-size: 0.82rem; color: var(--text-light);
  text-decoration: none; margin-bottom: 10px; transition: color 0.2s;
}
.footer-col a:hover { color: var(--green-mid); }
.footer-contact { font-size: 0.82rem; color: var(--text-light); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 20px;
  text-align: center; font-size: 0.78rem; color: var(--text-light);
  max-width: 1100px; margin: 0 auto;
}

/*RESPONSIVE */
@media (max-width: 1060px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  section { padding: 56px 20px; }
  .hero { padding: 60px 20px; }
  .hero h1 { font-size: 2.6rem; }
  .cards-grid       { grid-template-columns: 1fr 1fr; }
  .products-grid    { grid-template-columns: 1fr 1fr; }
  .huellas-grid     { grid-template-columns: 1fr; }
  .donacion-layout  { grid-template-columns: 1fr; }
  .ia-cards         { grid-template-columns: 1fr 1fr; }
  .economia-grid    { grid-template-columns: 1fr; }
  .materiales-grid  { grid-template-columns: 1fr 1fr; }
  .abasto-counters  { grid-template-columns: 1fr 1fr; }
  .price-compare    { grid-template-columns: 1fr; }
  .canasta-header   { flex-direction: column; gap: 14px; }
}
@media (max-width: 560px) {
  .hero h1          { font-size: 2rem; }
  .hero-search      { flex-direction: column; }
  .hero-search input { max-width: 100%; }
  .cards-grid       { grid-template-columns: 1fr; }
  .products-grid    { grid-template-columns: 1fr; }
  .ia-cards         { grid-template-columns: 1fr; }
  .materiales-grid  { grid-template-columns: 1fr; }
  .footer-grid      { grid-template-columns: 1fr; }
  .form-row         { grid-template-columns: 1fr; }
}

/*  MENÚ MOBILE*/

/* Botón  */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.2s;
}
.hamburger:hover { background: var(--green-pale); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

/* Animación X al abrir */
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Overlay oscuro detrás del menú */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 150;
  backdrop-filter: blur(2px);
}
.nav-overlay.visible { display: block; }

/* Botón login dentro del menú mobile (oculto en desktop) */
.btn-login-mobile { display: none; }

@media (max-width: 900px) {
  /* Mostrar hamburguesa, ocultar btn-login desktop */
  .hamburger        { display: flex; }
  .btn-login-desktop { display: none; }

  /* Menú desplegable */
  .nav-links {
    display: flex !important; /* override anterior display:none */
    flex-direction: column;
    position: fixed;
    top: 64px;
    right: 0;
    width: 260px;
    height: calc(100vh - 64px);
    background: #fff;
    border-left: 1px solid var(--border);
    padding: 24px 20px;
    gap: 4px;
    z-index: 200;
    box-shadow: -4px 0 24px rgba(30,80,50,0.1);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav-links.open { transform: translateX(0); }

  .nav-link {
    font-size: 1rem;
    font-weight: 600;
    padding: 13px 16px;
    border-radius: 10px;
    color: var(--text-dark);
  }
  .nav-link:hover { background: var(--green-pale); color: var(--green-mid); }

  /* Botón de login dentro del menú móvil */
  .btn-login-mobile {
    display: block;
    margin-top: 12px;
    width: 100%;
    padding: 13px;
    border-radius: 10px;
    font-size: 0.95rem;
    background: var(--green-mid);
    color: #fff;
    border: none;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
  }
}