/* ===========================
   TOKENS & RESET
   =========================== */
:root {
  --raiz: #127d48;
  --raiz-dark: #0b5c34;
  --raiz-light: #1aaa62;
  --agua: #02b0ae;
  --agua-light: #04d4d1;
  --sol: #e9ae2e;
  --niebla: #f5f0eb;
  --niebla-dark: #e8e0d6;
  --tierra: #3d2b1f;
  --tierra-light: #6b4c3b;
  --blanco: #ffffff;
  --gris: #7a7a7a;

  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Raleway', system-ui, sans-serif;

  --radius: 16px;
  --shadow: 0 4px 32px rgba(18,125,72,0.12);
  --shadow-lg: 0 12px 48px rgba(18,125,72,0.2);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--niebla);
  color: var(--tierra);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--raiz);
  margin-bottom: 16px;
}
.eyebrow.light { color: var(--agua-light); }
.light { color: var(--blanco); }
.section-title { font-family: var(--font-title); font-size: clamp(1.8rem, 3.5vw, 2.8rem); line-height: 1.2; margin-bottom: 16px; }
.section-desc { font-size: 1.1rem; color: var(--tierra-light); max-width: 680px; margin-bottom: 48px; }
.section-desc.light { color: rgba(255,255,255,0.75); }

/* ===========================
   BUTTONS
   =========================== */
.btn-primary {
  display: inline-block;
  background: var(--raiz);
  color: var(--blanco);
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(18,125,72,0.3);
}
.btn-primary:hover { background: var(--raiz-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(18,125,72,0.4); }

.btn-secondary {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: var(--blanco);
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 500;
  border: 1.5px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.btn-secondary:hover { background: rgba(255,255,255,0.25); transform: translateY(-2px); }

.btn-outline {
  display: inline-block;
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--blanco);
  padding: 13px 28px;
  border-radius: 100px;
  font-weight: 500;
  transition: var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-nav {
  background: var(--raiz);
  color: var(--blanco) !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-nav:hover { background: var(--raiz-dark); }

/* ===========================
   NAV
   =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(245,240,235,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-title); font-size: 1.1rem; color: var(--blanco); font-weight: 700; transition: var(--transition); }
.nav.scrolled .nav-logo { color: var(--tierra); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.9); transition: var(--transition); }
.nav.scrolled .nav-links a { color: var(--tierra); }
.nav-links a:hover { color: var(--raiz-light); }
.nav.scrolled .btn-nav { color: var(--blanco) !important; }

/* ===========================
   COUNTDOWN BANNER
   =========================== */
.countdown-banner {
  background: linear-gradient(90deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%);
  border-bottom: 2px solid rgba(99,102,241,0.3);
  padding: 10px 0;
  position: fixed;
  top: 56px;
  left: 0; right: 0;
  z-index: 95;
  overflow: hidden;
}
.countdown-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.08) 50%, transparent);
  animation: bannerShimmer 3s ease-in-out infinite;
}
@keyframes bannerShimmer {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}
.countdown-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.countdown-icon { font-size: 1.4rem; }
.countdown-text {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.85);
}
.countdown-text strong { color: var(--agua-light); }
.countdown-timer {
  display: flex;
  align-items: center;
  gap: 4px;
}
.cd-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 36px;
}
.cd-num {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blanco);
  background: rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 2px 8px;
  line-height: 1.3;
}
.cd-label { font-size: 0.55rem; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }
.cd-sep { color: rgba(255,255,255,0.3); font-weight: 700; font-size: 1rem; margin-bottom: 12px; }
.countdown-cta {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blanco);
  background: rgba(99,102,241,0.6);
  border-radius: 100px;
  padding: 6px 16px;
  transition: var(--transition);
  white-space: nowrap;
}
.countdown-cta:hover { background: rgba(99,102,241,0.85); }
/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--raiz-dark) 0%, #0d6e40 35%, #127d48 60%, #1a6e6c 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(2,176,174,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(233,174,46,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(18,125,72,0.3) 0%, transparent 50%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 32px 40px;
}

/* Barra de identidad compacta */
.hero-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}
.hero-logo {
  width: 56px;
  height: auto;
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.hero-title {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--blanco);
  line-height: 1.15;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.hero-tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--agua-light);
  font-weight: 600;
  margin-top: 4px;
}

/* Dos columnas: grafo + detalle */
.hero-columns {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 12px;
}
.graph-canvas-wrap {
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  overflow: hidden;
}
#network-graph { width: 100%; height: 480px; display: block; }
.graph-hint {
  text-align: center;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.05em;
  margin-top: 8px;
}

/* Panel de detalle del nodo seleccionado */
.node-detail {
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  overflow-y: auto;
}
.node-detail-icon { font-size: 2.4rem; margin-bottom: 14px; line-height: 1; }
.node-detail-logo {
  width: 64px; height: 64px;
  object-fit: contain;
  border-radius: 12px;
  margin-bottom: 14px;
}
.node-detail-tipo {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-weight: 700;
  color: var(--agua-light);
  margin-bottom: 8px;
}
.node-detail h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--blanco);
  line-height: 1.2;
  margin-bottom: 10px;
}
.node-detail-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 12px 0;
}
.node-detail p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}
.node-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--agua-light);
  border: 1.5px solid rgba(2,176,174,0.4);
  border-radius: 100px;
  padding: 9px 18px;
  transition: var(--transition);
  align-self: flex-start;
  margin-top: auto;
}
.node-detail-link:hover {
  background: rgba(2,176,174,0.15);
  border-color: var(--agua-light);
  gap: 10px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}
.hero-particles { position: absolute; inset: 0; pointer-events: none; }

/* ===========================
   QUIÉNES SOMOS
   =========================== */
.quienes { padding: 96px 0; background: var(--blanco); }
.quienes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.quienes-text h2 { font-family: var(--font-title); font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.3; margin-bottom: 20px; color: var(--tierra); }
.quienes-text p { color: var(--tierra-light); margin-bottom: 16px; font-size: 1.05rem; }
.quienes-text blockquote {
  border-left: 3px solid var(--raiz);
  padding-left: 16px;
  font-family: var(--font-title);
  font-style: italic;
  color: var(--raiz);
  font-size: 1.1rem;
  margin-top: 24px;
}
.quienes-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
  background: var(--niebla);
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex; flex-direction: column; gap: 8px;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.stat-card.accent { background: linear-gradient(135deg, var(--raiz), var(--agua)); }
.stat-card.accent .stat-num, .stat-card.accent .stat-label { color: var(--blanco); }
.stat-num { font-family: var(--font-title); font-size: 2.4rem; color: var(--raiz); font-weight: 700; line-height: 1; }
.stat-label { font-size: 0.85rem; color: var(--tierra-light); font-weight: 500; }



/* ===========================
   PROYECTOS GRID
   =========================== */
.proyectos { padding: 96px 0; background: var(--niebla); }
.proyectos .section-title { color: var(--tierra); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.project-card {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--niebla-dark);
  transition: var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--raiz), var(--agua));
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.project-card:hover::before { opacity: 1; }
.project-card.featured {
  background: linear-gradient(135deg, var(--raiz-dark), #0d7a60);
  color: var(--blanco);
  border: none;
  grid-column: span 2;
}
.project-card.featured::before { opacity: 1; }
.project-icon { font-size: 2rem; margin-bottom: 16px; }
.project-logo {
  width: 56px; height: 56px;
  object-fit: contain;
  border-radius: 12px;
  margin-bottom: 16px;
}
.project-tipo {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--agua);
  margin-bottom: 8px;
}
.project-card.featured .project-tipo { color: var(--agua-light); }
.project-name { font-family: var(--font-title); font-size: 1.25rem; margin-bottom: 12px; color: var(--tierra); }
.project-card.featured .project-name { color: var(--blanco); }
.project-desc { font-size: 0.9rem; color: var(--tierra-light); line-height: 1.6; }
.project-card.featured .project-desc { color: rgba(255,255,255,0.75); }
.project-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 0.82rem; font-weight: 600;
  color: var(--raiz); transition: var(--transition);
}
.project-card.featured .project-link { color: var(--agua-light); }
.project-link:hover { gap: 10px; }

/* ===========================
   ALIADOS
   =========================== */
.aliados { padding: 60px 0; background: var(--niebla-dark); }
.aliados-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 32px; }
.aliados-quote { font-family: var(--font-title); font-style: italic; font-size: 1.15rem; color: var(--tierra); max-width: 400px; }
.aliados-logos { display: flex; gap: 32px; }
.aliado-item { text-align: center; }
.aliado-name { display: block; font-weight: 700; color: var(--tierra); font-size: 1rem; }
.aliado-desc { font-size: 0.8rem; color: var(--gris); }

/* ===========================
   SÚMATE
   =========================== */
.sumarte {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--raiz-dark), var(--agua) 100%);
  text-align: center;
}
.sumarte-inner { max-width: 600px; margin: 0 auto; }
.sumarte h2 { font-family: var(--font-title); font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.sumarte p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 40px; }
.sumarte-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===========================
   FOOTER
   =========================== */
.footer { background: var(--tierra); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer p { color: rgba(255,255,255,0.5); font-size: 0.82rem; }
.footer-tech a { color: var(--agua-light); }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
  .hero-inner { padding: 72px 16px 32px; }
  .hero-brand { gap: 12px; }
  .hero-logo { width: 40px; }
  .hero-title { font-size: 1.2rem; }
  .hero-columns { grid-template-columns: 1fr; }
  #network-graph { height: 320px; }
  .quienes-grid { grid-template-columns: 1fr; gap: 48px; }
  .nav-links { display: none; }
  .project-card.featured { grid-column: span 1; }
  .footer-inner { flex-direction: column; text-align: center; }
}