/* ============================================
   Agruas — Agricultura de precisión con drones
   Variables CSS + estilos custom
   ============================================ */

/* --- Paleta de colores (extraída del logo) --- */
:root {
  /* Primarios */
  --verde-agruas: #307840;
  --verde-profundo: #1E5A28;
  --verde-hoja: #78B810;

  /* Secundarios */
  --azul-cielo: #10A8D8;
  --azul-profundo: #0D87AD;

  /* Acentos */
  --dorado-sol: #F8C808;
  --naranja-sol: #F89800;

  /* Oscuros */
  --teal-dron: #004860;
  --carbon: #1A1A1A;
  --pizarra: #4A4A4A;
  --gris-suave: #6B7280;

  /* Fondos */
  --niebla: #F5F3EF;
  --blanco-campo: #FAFAF7;
  --blanco: #FFFFFF;

  /* WhatsApp */
  --whatsapp: #25D366;
  --whatsapp-hover: #1EBE5D;

  /* Sombras */
  --sombra-suave: 0 4px 24px rgba(48, 120, 64, 0.08);
  --sombra-media: 0 8px 32px rgba(48, 120, 64, 0.12);
  --sombra-elevada: 0 16px 48px rgba(48, 120, 64, 0.16);

  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* --- Reset y base --- */
html {
  scroll-behavior: auto; /* Lenis se encarga del smooth scroll */
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--carbon);
  background-color: var(--blanco-campo);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Tipografía --- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
}

/* --- Hero canvas --- */
.hero-sequence {
  position: relative;
  height: 300vh; /* recorrido de scroll para los frames */
}

.hero-canvas-wrapper {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero-canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 72, 96, 0.3) 0%,
    rgba(0, 72, 96, 0.5) 40%,
    rgba(0, 72, 96, 0.7) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
}

.hero-overlay h1 {
  color: var(--blanco);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.hero-overlay p {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
}

/* --- Botón WhatsApp flotante --- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
  background-color: var(--whatsapp-hover);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

/* --- Cards con hover --- */
.card-servicio {
  background: var(--blanco);
  border-radius: var(--radius-md);
  box-shadow: var(--sombra-suave);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.card-servicio:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-media);
}

/* --- Sección proceso - línea conectora --- */
.proceso-linea {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--verde-agruas), var(--azul-cielo));
  transform: translateX(-50%);
}

@media (max-width: 767px) {
  .proceso-linea {
    left: 1.5rem;
  }
}

/* --- Counter animación --- */
.counter-value {
  font-family: 'Space Grotesk', sans-serif;
  font-variant-numeric: tabular-nums;
}

/* --- Mapa SVG cobertura --- */
.mapa-region {
  fill: var(--niebla);
  stroke: var(--verde-agruas);
  stroke-width: 1.5;
  transition: fill var(--transition-base);
}

.mapa-region.active,
.mapa-region:hover {
  fill: rgba(48, 120, 64, 0.15);
}

/* --- FAQ acordeón --- */
.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-pregunta {
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-pregunta:hover {
  color: var(--verde-agruas);
}

.faq-respuesta {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-respuesta {
  max-height: 500px;
}

.faq-item.active .faq-icono {
  transform: rotate(45deg);
}

.faq-icono {
  transition: transform var(--transition-base);
}

/* --- Sección David Huguet --- */
.seccion-david {
  background-color: var(--niebla);
}

/* --- Badge de confianza --- */
.badge-confianza {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: rgba(48, 120, 64, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--verde-profundo);
  font-weight: 500;
}

/* --- CTA final gradiente --- */
.cta-final {
  background: linear-gradient(135deg, var(--teal-dron) 0%, var(--verde-profundo) 100%);
}

/* --- Footer --- */
.footer-bg {
  background-color: var(--carbon);
}

/* --- Animaciones auxiliares (GSAP las controla, estos son estados iniciales) --- */
.gsap-fade-up {
  opacity: 0;
  transform: translateY(40px);
}

.gsap-fade-left {
  opacity: 0;
  transform: translateX(-40px);
}

.gsap-fade-right {
  opacity: 0;
  transform: translateX(40px);
}

.gsap-scale-in {
  opacity: 0;
  transform: scale(0.9);
}

/* --- Navbar --- */
.navbar {
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar .nav-link {
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-fast);
}

.navbar .nav-link:hover {
  color: #ffffff;
}

.navbar .menu-icon {
  color: white;
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}

.navbar.scrolled .nav-link {
  color: var(--pizarra);
}

.navbar.scrolled .nav-link:hover {
  color: var(--verde-agruas);
}

.navbar.scrolled .menu-icon {
  color: var(--carbon);
}

/* --- Botones CTA --- */
.btn-primary {
  background-color: var(--verde-agruas);
  color: white;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--verde-profundo);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.btn-secondary:hover {
  border-color: white;
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: white;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-1px);
}

/* --- Scrollbar sutil --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

/* --- Selection --- */
::selection {
  background-color: rgba(48, 120, 64, 0.2);
  color: var(--carbon);
}