*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
 
:root {
  --primary:   #0ea5e9;
  --primary-d: #0284c7;
  --secondary: #6366f1;
  --accent:    #10b981;
  --energy:    #f59e0b;
  --text:      #0f172a;
  --muted:     #64748b;
  --line:      #e2e8f0;
  --bg-card:   rgba(255,255,255,0.95);
  --bg-light:  #f8fafc;
  --nota-bg:   #f0f9ff;
  --nota-text: #0c4a6e;
  --nota-str:  #0369a1;
}

[contenteditable="true"] {
  border: 2px solid var(--primary);
  border-radius: 6px;
  padding: 1px 5px;
  transition: border-color 0.2s, background-color 0.2s;
}

[contenteditable="true"]:hover {
  border-width: 2.5px;
  background-color: color-mix(in srgb, var(--primary) 8%, transparent);
}

[contenteditable="true"]:focus {
  border-width: 2.5px;
  background-color: color-mix(in srgb, var(--primary) 12%, transparent);
  outline: none;
}

.video-links a {
  color: #1a6fc4;
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.video-links a:hover {
  color: #0f4a8a;
}

.video-links a:hover::before {
  transform: translateX(3px);
  opacity: 1;
}

.video-links a h5 {
  margin: 0;
  font-size: 0.95rem;
  color: #007bff;
}

.editable-hint {
  font-size: 0.75rem;
  color: var(--text-muted, #888);
  margin-top: 0.4rem;
  margin-bottom: 0;
}

.results_V2 {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 15px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* Título de resultados, alineado a la izquierda */
.results-label {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 5px;
}

/* Contenedor para las tres filas en vertical */
.results-grid_V2 {
  display: flex;
  flex-direction: column;
  gap: 15px; /* Espacio entre filas */
}

/* === ESTILO DE LA FILA-TARJETA V2 === */
.res-card_V2 {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05); /* Sombra suave como en la foto 1 */
  overflow: hidden;
  border: 1px solid #f0f0f0;
}

/* Contenedor Flexbox para alinear las columnas horizontalmente */
.flex-content_V2 {
  display: flex;
  align-items: center; /* Centrado vertical */
  width: 100%;
}

/* Columna izquierda de la tarjeta (Técnico) */
.card-left_V2 {
  flex: 1.2; /* Ligeramente más ancha */
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start; /* Alineado a la izquierda */
}

/* Columna derecha de la tarjeta (Equivalencia) */
.card-right_V2 {
  flex: 1; /* Ligeramente más estrecha */
  background-color: #fafafa; /* Fondo ligeramente gris para diferenciar */
  padding: 20px;
  display: flex;
  align-items: center; /* Centrado vertical */
  justify-content: flex-end; /* Elementos pegados a la derecha */
  position: relative; /* Para la línea divisoria dashed */
  border-left: 1px dashed #e2e8f0; /* Línea divisoria discontinua dashed */
}

/* === ESTILOS INTERNOS DE LA COLUMNA IZQUIERDA === */

/* Icono pequeño superior izquierdo */
.card-left_V2 .left-icon {
  font-size: 1.1rem;
  margin-right: 3px;
}

/* Etiqueta superior izquierda (ej: CONSUMO ENERGÉTICO) */
.card-left_V2 .left-label {
  font-size: 0.85rem;
  color: #888;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Valor principal izquierdo */
.card-left_V2 .left-val {
  font-size: 2.2rem; /* Tamaño grande */
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
  margin-top: 2px;
}

/* Subtexto izquierdo (ej: MWh / año) */
.card-left_V2 .left-unit {
  font-size: 0.9rem;
  color: #666;
}

/* === ESTILOS INTERNOS DE LA COLUMNA DERECHA === */

/* Contenedor interno de la columna derecha para alinear iconos/texto */
.card-right_V2 .right-body_V2 {
  display: grid;
  grid-template-areas: 
    "icon val"
    "icon sub";
  grid-template-columns: 40px 1fr;
  align-items: center;
  justify-items: end; /* Todo a la derecha */
  gap: 0px 5px;
}

/* Icono derecho */
.card-right_V2 .right-icon {
  grid-area: icon;
  font-size: 2rem; /* Icono grande */
  justify-self: start;
}

/* Valor derecho */
.card-right_V2 .right-val {
  grid-area: val;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}

/* Subtexto derecho */
.card-right_V2 .right-sub {
  grid-area: sub;
  font-size: 0.85rem;
  color: #888;
  margin-top: -3px;
}

/* Colores específicos para los valores de la columna derecha */
.c-amber { color: #f5a623; }
.c-blue  { color: #007bff; }
.c-green { color: #28a745; }

/* Mantener el estilo de la nota final */
.nota {
  background-color: #e8f5e9;
  border-left: 4px solid #4caf50;
  padding: 15px;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #333;
  margin-top: 10px;
}
.nota p {
  margin: 0 0 10px 0;
}
.nota strong {
  font-weight: 600;
  color: #000;
}


body {
  font-family: 'Open Sans', sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg-light);
  line-height: 1.6;
}
 
/* ── NAVBAR ────────────────────────────────────── */
.navbar {
  background: #111827;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-circle {
  width: 40px; height: 40px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900; font-size: 12px; color: #fff; flex-shrink: 0;
}
.navbar-logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700; font-size: 0.82rem;
  color: #fff; line-height: 1.2;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.navbar-logo-text small {
  display: block; font-weight: 300; font-size: 0.68rem;
  letter-spacing: 0.1em; color: rgba(255,255,255,0.5); text-transform: none;
}
.navbar-links { display: flex; gap: 28px; list-style: none; }
.navbar-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem; font-weight: 600;
  color: rgba(255,255,255,0.75);
  text-decoration: none; text-transform: uppercase; letter-spacing: 0.06em;
}
.navbar-links a.active { color: #fff; }
 
/* ── HERO ──────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #0d1b2e 0%, #0a3a5c 100%);
  padding: 64px 40px 54px;
  position: relative; overflow: hidden;
}
.hero::after {
  content: 'H₂';
  position: absolute; right: 5%; top: 50%;
  transform: translateY(-50%);
  font-family: 'Montserrat', sans-serif;
  font-size: 200px; font-weight: 900;
  color: rgba(255,255,255,0.04);
  pointer-events: none; line-height: 1;
}
.hero-inner { max-width: 900px; margin: 0 auto; }
.breadcrumb {
  font-size: 0.72rem; color: rgba(255,255,255,0.45);
  margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.08em;
}
.breadcrumb a { color: inherit; text-decoration: none; }
.breadcrumb span { margin: 0 6px; }
.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800; color: #fff; line-height: 1.05;
  margin-bottom: 18px; text-transform: uppercase;
}
.hero h1 em { font-style: normal; color: var(--primary); }
.hero p { color: rgba(255,255,255,0.65); font-size: 0.93rem; max-width: 560px; line-height: 1.75; }
 
/* ── MAIN LAYOUT ───────────────────────────────── */
.main { max-width: 900px; margin: 0 auto; padding: 52px 24px 80px; }
 
.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem; font-weight: 700;
  color: var(--primary); text-transform: uppercase;
  letter-spacing: 0.14em; margin-bottom: 8px;
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.45rem; font-weight: 700; color: var(--text); margin-bottom: 10px;
}
.section-line { width: 48px; height: 3px; background: var(--primary); margin-bottom: 32px; }
 
/* ── TABS ──────────────────────────────────────── */
.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--line);
  margin-bottom: 32px;
  overflow-x: auto; scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 13px 22px;
  background: none; border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.77rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.06em; white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; appearance: none; -webkit-appearance: none;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn.is-disabled { opacity: 0.55; cursor: default; pointer-events: none; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
 
/* ── CARD (shared wrapper) ─────────────────────── */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 2.5rem;
  border-radius: 28px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.08);
  border: 1px solid white;
}
 
.module-tag {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem; font-weight: 700;
  color: var(--primary); text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 10px;
}
.module-tag::before {
  content: ''; display: block;
  width: 8px; height: 8px;
  background: var(--primary); border-radius: 50%;
}
.card-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.05rem; font-weight: 700;
  color: var(--text); margin-bottom: 6px;
}
.card-desc {
  color: var(--muted); font-size: 0.875rem;
  margin-bottom: 28px; line-height: 1.65;
}
 
/* ── FORM ──────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px; margin-bottom: 28px;
}
.field label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem; font-weight: 700;
  color: var(--text); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 7px;
}
.input-wrap {
  display: flex;
  border: 1px solid #ccc;
  border-radius: 14px;
  overflow: hidden;
  background: white;
}
.input-wrap input,
.input-wrap select {
  flex: 1; border: none; outline: none;
  padding: 10px 13px;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.93rem; color: var(--text);
  background: transparent;
}
.input-wrap select option { background: #fff; }
.input-suffix {
  padding: 10px 12px;
  background: var(--bg-light);
  border-left: 1px solid #ccc;
  font-size: 0.73rem; font-weight: 600;
  color: var(--muted); white-space: nowrap;
  display: flex; align-items: center;
}
.range-inner {
  padding: 10px 13px; flex: 1;
  display: flex; flex-direction: column; gap: 7px;
}
.range-labels {
  display: flex; justify-content: space-between;
  font-size: 0.75rem; color: var(--muted);
}
.range-labels strong { color: var(--text); font-weight: 700; }
input[type="range"] {
  -webkit-appearance: none;
  width: 100%; height: 4px;
  background: var(--line);
  border-radius: 10px; outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
 
/* ── BUTTON ────────────────────────────────────── */
.btn-calc {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff;
  border: none; padding: 13px 30px;
  border-radius: 14px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  cursor: pointer; transition: background 0.2s;
}
.btn-calc:hover { background: var(--primary-d); }
 
/* ── RESULTS ───────────────────────────────────── */
.results { margin-top: 32px; }
.results-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem; font-weight: 700;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.12em; padding-bottom: 10px;
  border-bottom: 1px solid var(--line); margin-bottom: 16px;
}
.results-sep { height: 1px; background: var(--line); margin: 32px 0; }
 
/* Metric cards grid (top row) */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px; margin-bottom: 16px;
}
.metric-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 16px;
  position: relative; overflow: hidden;
}
.metric-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--primary);
  border-radius: 18px 18px 0 0;
}
.metric-card.g::before { background: var(--accent); }
.metric-card.o::before { background: var(--energy); }
.metric-card.p::before { background: var(--secondary); }
.m-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.67rem; font-weight: 700;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.04em; margin-bottom: 10px; line-height: 1.3;
}
.m-value {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem; font-weight: 800;
  color: var(--primary); line-height: 1;
}
.metric-card.g .m-value { color: var(--accent); }
.metric-card.o .m-value { color: var(--energy); }
.metric-card.p .m-value { color: var(--secondary); }
.m-unit { font-size: 0.71rem; color: var(--muted); margin-top: 5px; }
 
/* Equivalence cards (bottom row) */
.equiv-row {
  display: flex;         /* Cambiamos list-item por flex */
  flex-direction: column; /* Alinea las tarjetas una debajo de otra */
  gap: 12px;             /* Espacio entre tarjetas */
  margin-bottom: 16px;
  list-style: none;      /* Por si acaso, para asegurar que no haya puntos */
}
.equiv-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
  display: flex; align-items: center; gap: 14px;
}
.equiv-icon { font-size: 1.8rem; flex-shrink: 0; }
.equiv-body { display: flex; flex-direction: column; }
.equiv-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem; font-weight: 800; line-height: 1;
}
.equiv-val.c-blue  { color: var(--primary); }
.equiv-val.c-green { color: var(--accent); }
.equiv-val.c-amber { color: var(--energy); }
.equiv-val.c-purple{ color: var(--secondary); }
.equiv-sub { font-size: 0.71rem; color: var(--muted); font-weight: 600; margin-top: 3px; }
 
/* Nota */
.nota {
  background: var(--nota-bg);
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  font-size: 0.83rem; color: var(--nota-text); line-height: 1.65;
}
.nota strong { color: var(--nota-str); }
 
/* ── MODULE 1 — Electrolizador badge row ───────── */
.badge-row {
  display: flex; justify-content: space-between;
  gap: 8px; margin-bottom: 12px; flex-wrap: wrap;
}
.mini-badge {
  flex: 1; min-width: 100px;
  font-size: 0.75rem; font-weight: 600;
  background: var(--line); padding: 6px 10px;
  border-radius: 12px; text-align: center; color: var(--muted);
}
.mini-badge.highlight { background: var(--secondary); color: white; }
.mini-badge span { display: block; font-size: 0.9rem; font-weight: 800; color: var(--text); }
.mini-badge.highlight span { color: white; }
 
/* ── FOOTER NOTE ───────────────────────────────── */
.footer-note {
  background: var(--bg-light);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 26px; margin-top: 48px;
  font-size: 0.82rem; color: var(--muted); line-height: 1.7;
}
.footer-note a { color: var(--primary); font-weight: 600; text-decoration: none; }
 
/* ── FOOTER ────────────────────────────────────── */
.footer { background: #111827; color: rgba(255,255,255,0.55); padding: 44px 40px 0; font-size: 0.78rem; }
.footer-inner { max-width: 900px; margin: 0 auto; display: flex; gap: 48px; flex-wrap: wrap; padding-bottom: 32px; }
.footer-col-title { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.82rem; color: #fff; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.footer-copy { max-width: 900px; margin: 0 auto; padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.7rem; color: rgba(255,255,255,0.3); text-align: center; }
 
/* ── RESPONSIVE ────────────────────────────────── */
@media (max-width: 600px) {
  .navbar { padding: 0 16px; }
  .navbar-links { display: none; }
  .hero { padding: 40px 16px 36px; }
  .main { padding: 32px 16px 60px; }
  .card { padding: 22px 18px; }
}