/* ==========================================================================
   RIEGO EFICIENTE AL ALCANCE DEL CAMPO
   Infografía Digital Interactiva y Accesible
   Paleta cromática: Oliva, Azul Hídrico, Tierra Fértil y Crema Natural
   ========================================================================== */

:root {
  --base-font-size: 16px;

  /* PALETA ORIGINAL PRESERVADA AL 100% */
  --color-bg: #F7F5EE;
  --color-bg-alt: #EFECE1;
  --color-surface: #FFFFFF;
  --color-surface-trans: rgba(255, 255, 255, 0.92);
  --color-surface-hover: #FCFAF6;
  --color-border: #DCD6C8;
  --color-border-subtle: #E8E4D9;

  /* Tonos naturales de identidad */
  --color-primary: #384A2F;       /* Verde oliva oscuro noble */
  --color-primary-light: #4E6742; /* Oliva medio */
  --color-primary-soft: #E9EFE6;  /* Fondo oliva suave */
  --color-accent: #2C6E80;        /* Azul hídrico profundo */
  --color-accent-soft: #E1F1F5;   /* Fondo azul agua suave */
  --color-earth: #8C6D46;         /* Tono tierra fértil */
  --color-earth-soft: #F5EFE6;    /* Fondo tierra cálido */

  /* Colores de texto */
  --color-text-main: #242921;     /* Contraste alto para lectura fácil */
  --color-text-muted: #596155;    /* Texto secundario */
  --color-text-dim: #798274;      /* Metadatos y fuentes */
  --color-text-inverse: #FFFFFF;

  /* Estados y medidores */
  --color-success: #2E7D32;
  --color-success-bg: #E8F5E9;
  --color-info: #0277BD;
  --color-info-bg: #E1F5FE;
  --color-warning: #B26A00;
  --color-warning-bg: #FFF3E0;
  --color-danger: #C62828;
  --color-danger-bg: #FFEBEE;

  /* Sombras y elevación */
  --shadow-sm: 0 2px 8px rgba(40, 50, 35, 0.06);
  --shadow-md: 0 8px 24px rgba(40, 50, 35, 0.1);
  --shadow-lg: 0 16px 40px rgba(40, 50, 35, 0.14);
  --shadow-glow: 0 0 24px rgba(44, 110, 128, 0.25);

  /* Radios y transiciones */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --transition: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* MODO OSCURO (PRESERVADO) */
[data-theme="dark"] {
  --color-bg: #1B211A;
  --color-bg-alt: #232B21;
  --color-surface: #273125;
  --color-surface-trans: rgba(39, 49, 37, 0.94);
  --color-surface-hover: #2E3A2C;
  --color-border: #3A4736;
  --color-border-subtle: #303B2D;

  --color-primary: #86A874;
  --color-primary-light: #A4C592;
  --color-primary-soft: #283724;
  --color-accent: #5AB3C9;
  --color-accent-soft: #1E373F;
  --color-earth: #D4B084;
  --color-earth-soft: #382C1D;

  --color-text-main: #EFEFE9;
  --color-text-muted: #B7C0B3;
  --color-text-dim: #8E998A;
  --color-text-inverse: #1B211A;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px rgba(90, 179, 201, 0.25);
}

/* BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
  padding-bottom: 40px;
}

h1, h2, h3, h4, h5 {
  font-family: 'Outfit', sans-serif;
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5 {
  color: #F2F6EF;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ACCESSIBILITY SKIP LINK */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 15px;
}

/* TOP UTILITY & ACCESSIBILITY BAR */
.top-util-bar {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 8px 0;
  font-size: 0.86rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.util-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.util-location {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.pulse-dot {
  width: 9px;
  height: 9px;
  background-color: #00E676;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
  70% { box-shadow: 0 0 0 7px rgba(0, 230, 118, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
}

.util-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-util {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-util:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-util.active {
  background: #2E7D32;
  border-color: #00E676;
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
}

.font-resizer {
  display: flex;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  padding: 2px;
}

.btn-util-sm {
  color: #FFFFFF;
  padding: 3px 8px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: background var(--transition);
}

.btn-util-sm:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* THEME LOGO VISIBILITY TOGGLE */
[data-theme="light"] .logo-light-mode-hide,
[data-theme="light"] .theme-icon-dark {
  display: none !important;
}

[data-theme="dark"] .logo-dark-mode-hide,
[data-theme="dark"] .theme-icon-light {
  display: none !important;
}

/* SITE HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-trans);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition), border-color var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition);
}

.brand-link:hover .brand-logo {
  transform: scale(1.05);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 6px;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.nav-link:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* SECTION STYLES */
.section {
  padding: 56px 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  margin-bottom: 34px;
}

.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.1rem;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.instruction-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface);
  border: 1px dashed var(--color-accent);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  margin-top: 14px;
  box-shadow: var(--shadow-sm);
  animation: bounce-gentle 3s infinite;
}

@keyframes bounce-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* HERO SECTION */
.hero-section {
  padding: 44px 0 36px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.hero-badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge-tag.accent {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.hero-title {
  font-size: 2.7rem;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-title .highlight-accent {
  color: var(--color-accent);
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
}

.hero-voice-box {
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}

.hero-voice-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.voice-big-icon {
  font-size: 2rem;
  background: var(--color-accent-soft);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-voice-info h4 {
  font-size: 1.05rem;
  color: var(--color-primary);
}

.hero-voice-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.btn-hero-audio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(44, 110, 128, 0.35);
  transition: all var(--transition);
}

.btn-hero-audio:hover {
  background: #235866;
  transform: scale(1.03);
}

.btn-hero-audio.speaking {
  background: #2E7D32;
  box-shadow: 0 0 16px rgba(46, 125, 50, 0.5);
}

/* HERO CARD PHOTO */
.hero-visual-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition);
}

.hero-visual-card:hover {
  transform: translateY(-4px);
}

.hero-photo-wrap {
  position: relative;
  height: 380px;
  width: 100%;
  overflow: hidden;
}

.hero-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-visual-card:hover .hero-photo-wrap img {
  transform: scale(1.04);
}

.hero-photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(180deg, transparent 0%, rgba(27, 33, 26, 0.88) 100%);
  color: #FFFFFF;
}

.hero-photo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-photo-title {
  color: #FFFFFF;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
}

/* 3 QUICK STATS ROW */
.quick-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.quick-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.quick-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.stat-emoji {
  font-size: 2rem;
  flex-shrink: 0;
}

.stat-number-big {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label-sm {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.25;
  margin-top: 3px;
}

/* ==========================================================================
   INTERACTIVE SYSTEMS CATALOG (CATÁLOGO VISUAL DE SISTEMAS)
   Cards visuales, bajo texto upfront, revelación al dar clic
   ========================================================================== */
.systems-showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.sys-interactive-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  text-align: left;
}

.sys-interactive-card:hover,
.sys-interactive-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--color-accent);
}

.sys-card-image-box {
  position: relative;
  height: 220px;
  width: 100%;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.sys-card-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.sys-interactive-card:hover .sys-card-image-box img {
  transform: scale(1.06);
}

.sys-pill-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  color: #FFFFFF;
}

.sys-pill-badge.badge-goteo { background: rgba(46, 125, 50, 0.92); }
.sys-pill-badge.badge-aspersion { background: rgba(2, 119, 189, 0.92); }
.sys-pill-badge.badge-gravedad { background: rgba(178, 106, 0, 0.92); }
.sys-pill-badge.badge-inteligente { background: rgba(84, 58, 183, 0.92); }

.sys-card-audio-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  font-size: 1.1rem;
  transition: all var(--transition);
  z-index: 2;
}

.sys-card-audio-btn:hover {
  transform: scale(1.15);
  background: var(--color-accent);
  color: #FFFFFF;
}

.sys-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sys-card-title {
  font-size: 1.45rem;
  margin-bottom: 6px;
}

.sys-card-teaser {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 16px;
  flex-grow: 1;
}

/* METERS ROW */
.sys-meters-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: var(--color-bg-alt);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.meter-item {
  display: flex;
  flex-direction: column;
}

.meter-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.meter-val {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-primary);
}

.sys-card-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-subtle);
}

.btn-open-detail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.sys-interactive-card:hover .btn-open-detail {
  transform: translateX(4px);
}

.sys-cite-micro {
  font-size: 0.74rem;
  color: var(--color-text-dim);
}

/* ==========================================================================
   TERRAIN EXPLORER (EXPLORADOR VISUAL DEL TERRENO)
   Sin formulario de opciones: cuadrícula visual interactiva con revelación
   ========================================================================== */
.terrain-interactive-board {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.terrain-hero-banner {
  position: relative;
  height: 280px;
  width: 100%;
  overflow: hidden;
}

.terrain-hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.terrain-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27, 33, 26, 0.4) 0%, rgba(27, 33, 26, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #FFFFFF;
}

.terrain-banner-overlay h3 {
  color: #FFFFFF;
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.terrain-banner-overlay p {
  font-size: 0.95rem;
  opacity: 0.92;
  max-width: 600px;
}

.terrain-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px;
}

.terrain-item-card {
  background: var(--color-bg-alt);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.terrain-item-card:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.terrain-card-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  line-height: 1;
}

.terrain-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.terrain-card-snippet {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 12px;
  flex-grow: 1;
}

.terrain-card-prompt {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ==========================================================================
   COMPARADOR VISUAL INTERACTIVO
   Scorecard limpio, visual, con barras de progreso y comparativa clara
   ========================================================================== */
.comparison-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.compare-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

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

.compare-card.recommended {
  border-color: #2E7D32;
  box-shadow: 0 4px 18px rgba(46, 125, 50, 0.18);
}

.card-top-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.tag-green { background: var(--color-success-bg); color: var(--color-success); }
.tag-blue { background: var(--color-accent-soft); color: var(--color-accent); }
.tag-amber { background: var(--color-warning-bg); color: var(--color-warning); }
.tag-purple { background: #EDE7F6; color: #512DA8; }

.compare-card h4 {
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.compare-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.compare-lbl {
  font-size: 0.76rem;
  color: var(--color-text-dim);
  font-weight: 600;
}

.compare-val {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* Progress bar inside compare card */
.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.8s ease;
}

.fill-95 { width: 95%; background: #2E7D32; }
.fill-75 { width: 75%; background: #0277BD; }
.fill-45 { width: 45%; background: #B26A00; }
.fill-98 { width: 98%; background: #512DA8; }

.btn-card-inspect {
  margin-top: auto;
  padding: 8px 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  transition: all var(--transition);
}

.compare-card:hover .btn-card-inspect {
  background: var(--color-accent);
  color: #FFFFFF;
}

/* ==========================================================================
   CONSEJOS DE ORO (EXPANDIBLES CON CLIC Y CON AUDIO)
   ========================================================================== */
.golden-tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tip-interactive-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  text-align: left;
}

.tip-interactive-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.tip-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.tip-badge-round {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  flex-shrink: 0;
}

.tip-audio-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-accent);
  transition: all var(--transition);
}

.tip-audio-icon-btn:hover {
  background: var(--color-accent);
  color: #FFFFFF;
}

.tip-title {
  font-size: 1.18rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.tip-short-lead {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.tip-cta-prompt {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ==========================================================================
/* ==========================================================================
   PROYECTO DE GRADO, IDENTIDAD & COMPROMISO COMUNITARIO (INTERACTIVO)
   ========================================================================== */
.project-showcase-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 32px;
}

.project-hero-banner {
  position: relative;
  min-height: 280px;
  width: 100%;
  overflow: hidden;
}

.project-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-showcase-box:hover .project-hero-bg {
  transform: scale(1.03);
}

.project-hero-overlay {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, rgba(27, 33, 26, 0.45) 0%, rgba(27, 33, 26, 0.92) 100%);
  padding: 32px;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 280px;
}

.project-brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  align-self: flex-start;
}

.project-logo-badge {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.project-hero-title {
  color: #FFFFFF;
  font-size: 2rem;
  margin-bottom: 8px;
  line-height: 1.2;
}

.project-hero-lead {
  font-size: 1rem;
  opacity: 0.94;
  max-width: 820px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.btn-project-audio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  align-self: flex-start;
  box-shadow: 0 4px 14px rgba(44, 110, 128, 0.4);
  transition: all var(--transition);
}

.btn-project-audio:hover {
  background: #235866;
  transform: translateY(-2px);
}

.btn-project-audio.speaking {
  background: #2E7D32;
  box-shadow: 0 0 16px rgba(46, 125, 50, 0.5);
}

/* 3 TARJETAS INTERACTIVAS DE EXPLORACIÓN DEL PROYECTO */
.project-interactive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 24px;
}

.project-interactive-card {
  background: var(--color-bg-alt);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.project-interactive-card:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.p-card-thumb-wrap {
  position: relative;
  height: 150px;
  width: 100%;
  overflow: hidden;
}

.p-card-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-interactive-card:hover .p-card-thumb-wrap img {
  transform: scale(1.08);
}

.p-card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 700;
}

.p-card-content {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.p-card-title {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 6px;
  line-height: 1.25;
}

.p-card-text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 12px;
  flex-grow: 1;
}

.p-card-prompt {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* WIDGET INTERACTIVO: COMPROMISO POR EL AGUA */
.water-pledge-widget {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  margin-bottom: 32px;
}

.pledge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.pledge-title-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.pledge-icon-badge {
  font-size: 2.2rem;
  background: var(--color-accent-soft);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pledge-title-wrap h3 {
  font-size: 1.45rem;
  color: var(--color-primary);
}

.pledge-title-wrap p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.pledge-progress-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.pledge-progress-text {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
}

.pledge-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.pledge-btn {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
}

.pledge-btn:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.pledge-btn.checked {
  background: var(--color-success-bg);
  border-color: var(--color-success);
}

.pledge-checkbox {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.pledge-btn.checked .pledge-checkbox {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #FFFFFF;
}

.pledge-checkbox::after {
  content: '✓';
  font-size: 0.85rem;
  font-weight: 800;
  display: none;
}

.pledge-btn.checked .pledge-checkbox::after {
  display: block;
}

.pledge-btn-text {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.35;
}

.pledge-success-banner {
  background: #2E7D32;
  color: #FFFFFF;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  animation: modal-pop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 6px 18px rgba(46, 125, 50, 0.35);
}

.pledge-success-banner.visible {
  display: flex;
}

.pledge-success-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pledge-success-info h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
}

.pledge-success-info p {
  font-size: 0.86rem;
  opacity: 0.95;
}

/* GALERÍA INTERACTIVA DE REFERENTES CIENTÍFICOS */
.sources-interactive-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}

.sources-interactive-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.sources-visual-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.source-visual-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.source-visual-card:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.source-entity-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  align-self: flex-start;
}

.source-v-title {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.source-v-author {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.source-v-contribution {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 14px;
  flex-grow: 1;
}

.source-v-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  padding: 6px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  align-self: flex-start;
  transition: all var(--transition);
}

.source-visual-card:hover .source-v-btn {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

/* BARRA DE ACCIONES COMPARTIR */
.final-share-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-share-tool {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
}

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

.btn-share-tool.primary-share {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.btn-share-tool.primary-share:hover {
  background: #235866;
  color: #FFFFFF;
}

/* NOTIFICACIÓN TOAST */
.toast-notice {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #242921;
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-notice.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   MODAL INTERACTIVO GENERAL (VENTANA DE DETALLES AL DAR CLIC)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 24, 17, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop[hidden] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: none;
}

.modal-window {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  animation: modal-pop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-pop {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-header-banner {
  position: relative;
  height: 240px;
  width: 100%;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.modal-header-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(20,26,19,0.92) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 24px;
  color: #FFFFFF;
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.65);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  z-index: 5;
}

.modal-close-btn:hover {
  background: rgba(198, 40, 40, 0.9);
  transform: rotate(90deg);
}

.modal-banner-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #A4C592;
  letter-spacing: 1px;
}

.modal-banner-title {
  color: #FFFFFF;
  font-size: 1.7rem;
  font-weight: 800;
}

/* Audio bar inside modal */
.modal-audio-bar {
  background: var(--color-accent-soft);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.modal-audio-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent);
}

.btn-modal-speak {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  transition: all var(--transition);
}

.btn-modal-speak:hover {
  background: #235866;
  transform: scale(1.03);
}

.btn-modal-speak.speaking {
  background: #2E7D32;
  box-shadow: 0 0 10px rgba(46, 125, 50, 0.4);
}

.modal-body-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-indicators-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.indicator-box {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
}

.ind-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.ind-value {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-top: 2px;
}

.modal-summary-text {
  font-size: 1.05rem;
  color: var(--color-text-main);
  line-height: 1.55;
  background: var(--color-primary-soft);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.modal-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.feature-box {
  padding: 14px;
  border-radius: var(--radius-md);
}

.feature-box.pros {
  background: var(--color-success-bg);
  border: 1px solid rgba(46, 125, 50, 0.2);
}

.feature-box.cons {
  background: var(--color-warning-bg);
  border: 1px solid rgba(178, 106, 0, 0.2);
}

.feature-box-title {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-box.pros .feature-box-title { color: var(--color-success); }
.feature-box.cons .feature-box-title { color: var(--color-warning); }

.feature-list {
  list-style: none;
  font-size: 0.86rem;
  color: var(--color-text-main);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-list li {
  display: flex;
  gap: 6px;
  line-height: 1.35;
}

.modal-citation-footer {
  padding-top: 12px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

.modal-footer {
  padding: 16px 24px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

.btn-modal-close-bottom {
  padding: 8px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.88rem;
  transition: all var(--transition);
}

.btn-modal-close-bottom:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (VOZ + VOLVER ARRIBA)
   ========================================================================== */
.floating-actions-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 90;
}

.btn-floating-voice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(44, 110, 128, 0.45);
  transition: all var(--transition);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-floating-voice:hover {
  transform: translateY(-3px) scale(1.03);
  background: #235866;
}

.btn-floating-voice.speaking {
  background: #2E7D32;
  box-shadow: 0 0 20px rgba(46, 125, 50, 0.6);
  animation: pulse-voice 1.5s infinite;
}

@keyframes pulse-voice {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.btn-floating-top {
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  font-size: 1.1rem;
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  align-self: flex-end;
}

.btn-floating-top.visible {
  opacity: 1;
  visibility: visible;
}

.btn-floating-top:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-3px);
}

/* SOUNDWAVE ANIMATION */
.soundwave {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 16px;
}

.soundwave span {
  width: 3px;
  height: 100%;
  background-color: currentColor;
  border-radius: 2px;
  animation: soundwave-bars 1.2s ease-in-out infinite;
}

.soundwave span:nth-child(1) { animation-delay: 0.1s; }
.soundwave span:nth-child(2) { animation-delay: 0.3s; }
.soundwave span:nth-child(3) { animation-delay: 0.5s; }
.soundwave span:nth-child(4) { animation-delay: 0.2s; }

@keyframes soundwave-bars {
  0%, 100% { transform: scaleY(0.3); }
  50% { transform: scaleY(1); }
}

/* FOOTER */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 36px 0 24px;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.footer-title {
  font-size: 1.15rem;
  color: var(--color-primary);
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  font-weight: 600;
}

.footer-nav a {
  color: var(--color-text-muted);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 14px;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-photo-wrap {
    height: 300px;
  }
  .systems-showcase-grid {
    grid-template-columns: 1fr;
  }
  .terrain-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .comparison-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .golden-tips-grid {
    grid-template-columns: 1fr;
  }
  .project-interactive-grid {
    grid-template-columns: 1fr;
  }
  .sources-visual-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 18px 24px;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open {
    display: block;
  }
  .nav-list {
    flex-direction: column;
    gap: 10px;
  }
  .nav-toggle {
    display: flex;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .quick-stats-row {
    grid-template-columns: 1fr;
  }
  .terrain-cards-grid {
    grid-template-columns: 1fr;
  }
  .comparison-cards-grid {
    grid-template-columns: 1fr;
  }
  .pledge-items-grid {
    grid-template-columns: 1fr;
  }
  .sources-visual-cards-grid {
    grid-template-columns: 1fr;
  }
  .modal-indicators-grid {
    grid-template-columns: 1fr;
  }
  .modal-features-grid {
    grid-template-columns: 1fr;
  }
  .floating-actions-bar {
    bottom: 16px;
    right: 16px;
  }
  .btn-floating-voice {
    padding: 10px 16px;
    font-size: 0.88rem;
  }
}