/* ============================================
   BAYER · VERANGO — Design Tokens
   Basado en Bayer Color Guide + Crop Science
   ============================================ */

:root {
  /* — Paleta Bayer Corporativa (oficial PDFs) — */
  --bayer-bright-blue: #00BCFF;
  --bayer-blue:        #0091DF;
  --bayer-mid-blue:    #00617F;
  --bayer-dark-blue:   #10384F;  /* body text default */

  --bayer-bright-green: #89D329;
  --bayer-green:        #66B512;
  --bayer-mid-green:    #2B6636;
  --bayer-dark-green:   #004422;

  /* Categorías Crop Protection */
  --cp-fungicide:  #006F31;
  --cp-herbicide:  #F04922;
  --cp-insecticide: #003972;
  --cp-arrow-green: #63B32E;

  /* Acento Verango (del anillo naranja del logo) */
  --verango-orange: #F04922; /* naranja anillo Verango */
  --verango-navy:   #10384F; /* azul oscuro Verango */

  /* — Neutros derivados (tierras y suelo) — */
  --soil-100: #d9c9a8;   /* tierra clara superficial */
  --soil-300: #8a6a41;   /* tierra media */
  --soil-500: #4a3520;   /* tierra profunda */
  --soil-700: #2a1d0f;   /* subsuelo */
  --soil-900: #120a04;   /* subsuelo profundo */

  --sky-light: #cfe6f5;
  --sky:       #7fbde4;

  /* Texto */
  --text-primary:   var(--bayer-dark-blue);
  --text-inverse:   #ffffff;
  --text-muted:     rgba(16, 56, 79, 0.65);
  --text-inverse-muted: rgba(255, 255, 255, 0.72);

  /* — Tipografía — */
  --font-primary: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  --font-mono: "SF Mono", "Consolas", "Menlo", monospace;

  /* — Escala tipográfica (fluida) — */
  --fs-h1: clamp(2.5rem, 5.5vw, 5rem);
  --fs-h2: clamp(2rem, 4vw, 3.5rem);
  --fs-h3: clamp(1.5rem, 2.5vw, 2.25rem);
  --fs-h4: clamp(1.15rem, 1.6vw, 1.5rem);
  --fs-body: clamp(1rem, 1.15vw, 1.15rem);
  --fs-small: 0.875rem;
  --fs-mono: 0.75rem;

  /* — Espaciado — */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 8rem;

  /* — Radios — */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-full: 999px;

  /* — Contenedor — */
  --container: 1240px;
  --container-narrow: 960px;

  /* — Transiciones — */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--text-primary);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ============================================
   TIPOGRAFÍA BASE
   ============================================ */
h1, h2, h3, h4 { 
  font-weight: 700; 
  line-height: 1.05; 
  letter-spacing: -0.02em; 
  margin: 0 0 var(--sp-md);
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.035em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
p  { margin: 0 0 var(--sp-sm); text-wrap: pretty; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================
   CONTENEDORES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}
.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* ============================================
   BOTONES · estilo Verango (chevron shape del KV)
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.75rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: var(--r-sm);
  transition: transform .3s var(--ease-out), background .3s, box-shadow .3s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--verango-navy);
  color: #fff;
  border: 2px solid var(--verango-navy);
}
.btn-primary:hover {
  background: var(--bayer-blue);
  border-color: var(--bayer-blue);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -12px rgba(0, 145, 223, 0.6);
}
.btn-primary .arrow { transition: transform .3s; }
.btn-primary:hover .arrow { transform: translateX(4px); }

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

/* ============================================
   ETIQUETAS "V" (marca Verango)
   Anillo naranja alrededor de "V"
   ============================================ */
.v-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  position: relative;
  color: var(--verango-navy);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}
.v-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 2px solid var(--verango-orange);
  border-radius: 50%;
  transform: rotate(-15deg) scaleY(0.55);
}

.v-mark.dark { color: #fff; }

/* ============================================
   BADGE / CHIP · pequeña etiqueta
   ============================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  backdrop-filter: blur(10px);
}
.chip .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--bayer-bright-green);
  box-shadow: 0 0 12px var(--bayer-bright-green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============================================
   SCROLL HINT
   ============================================ */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
}
.scroll-hint .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
  animation: scroll-line 2s var(--ease-in-out) infinite;
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   UTILIDADES
   ============================================ */
.text-verango-blue { color: var(--verango-navy); }
.text-verango-orange { color: var(--verango-orange); }
.text-bayer-green { color: var(--bayer-green); }
.text-white { color: #fff; }

.bg-navy { background: var(--verango-navy); color: #fff; }
.bg-soil { background: var(--soil-700); color: #fff; }

.divider-chevron {
  height: 32px;
  background: var(--verango-navy);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 50% 100%, 0 60%);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* Reveal-on-scroll base */
.reveal { 
  opacity: 0; 
  transform: translateY(30px); 
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); 
}
.reveal.in { opacity: 1; transform: none; }