/* ============================================
   BAYER · VERANGO — Sections styling
   ============================================ */

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background .4s var(--ease-out), backdrop-filter .4s;
}
.nav.scrolled {
  background: rgba(16, 56, 79, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-brand img.nav-bayer-logo { 
  height: 44px; 
  width: auto; 
  transition: filter .3s var(--ease-out);
}
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--verango-orange);
  transition: right .3s var(--ease-out);
}
.nav-links a:hover::after { right: 0; }

@media (max-width: 900px) {
  .nav-links { display: none; }
}

/* ============================================
   HERO — Corte transversal
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  isolation: isolate;
  background: var(--soil-900);
  color: #fff;
}
.hero-sky {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 55%;
  background-image: linear-gradient(180deg,
    rgba(0,0,0,0.3) 0%,
    rgba(0,0,0,0.1) 40%,
    rgba(0,0,0,0.5) 100%),
    var(--hero-sky-image, url("../assets/fotos/04-hojas-contra-cielo.jpg"));
  background-size: cover;
  background-position: center 30%;
  z-index: 1;
}
.hero-soil {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 55%;
  background-image: linear-gradient(180deg,
    rgba(20,10,4,0.4) 0%,
    rgba(20,10,4,0.85) 40%,
    rgba(10,5,2,0.95) 100%),
    var(--hero-soil-image, url("../assets/fotos/07-raices-macro.jpg"));
  background-size: cover;
  background-position: center 30%;
  z-index: 1;
}
.hero-soil::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0; right: 0;
  height: 30px;
  background: 
    radial-gradient(ellipse at 20% 0, rgba(90,60,30,0.9) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 0, rgba(70,45,20,0.9) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 0, rgba(80,55,25,0.9) 0%, transparent 50%);
  filter: blur(6px);
}

/* Línea de horizonte con textura de tierra */
.hero-horizon-line {
  position: absolute;
  top: 45%;
  left: 0; right: 0;
  height: 4px;
  z-index: 2;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(220,180,120,0.4) 20%,
    rgba(220,180,120,0.4) 80%,
    transparent);
  filter: blur(1.5px);
}

.hero-content {
  position: relative;
  z-index: 5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 8rem 6rem;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-inner { 
    grid-template-columns: 1fr; 
    gap: 2.5rem;
  }
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--bayer-bright-green);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1.75rem;
}
.hero-eyebrow::before {
  content: "";
  width: 40px; height: 1px;
  background: var(--bayer-bright-green);
}

.hero h1 {
  font-size: clamp(2.75rem, 6.5vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}
.hero h1 .accent {
  color: var(--bayer-bright-green);
  font-style: italic;
  font-weight: 400;
}
.hero h1 .below {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 0.85em;
}
.hero-sub {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Panel derecho — stat card */
.hero-stat-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--r-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.hero-stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--verango-orange), var(--bayer-bright-green));
}
.hero-stat-card .label {
  color: var(--verango-orange);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.hero-stat-card .big-num {
  font-size: clamp(4rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: #fff;
  margin-bottom: 0.5rem;
}
.hero-stat-card .big-num sup {
  font-size: 0.4em;
  color: var(--verango-orange);
  font-weight: 700;
  vertical-align: super;
}
.hero-stat-card .desc {
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.hero-stat-card .source {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

/* Verango badge flotante */
.hero-verango-badge {
  position: absolute;
  top: 6rem; right: clamp(1rem, 4vw, 3rem);
  z-index: 6;
  width: clamp(80px, 10vw, 130px);
  background: var(--verango-navy);
  padding: 0.75rem 1rem 1rem;
  border-top: 3px solid var(--bayer-green);
  border-bottom: 3px solid var(--bayer-green);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 50% 100%, 0 85%);
}
.hero-verango-badge img {
  width: 100%;
  filter: brightness(0) invert(1);
}

/* ============================================
   SECTION: EL ENEMIGO INVISIBLE
   ============================================ */
.enemy {
  position: relative;
  background: linear-gradient(180deg, var(--soil-900), var(--soil-700) 60%, var(--soil-500));
  color: #fff;
  padding-block: var(--sp-3xl);
  overflow: hidden;
}
.enemy::before {
  /* soft particles / dirt texture */
  content: "";
  position: absolute; inset: 0;
  background-image: 
    radial-gradient(ellipse at 20% 30%, rgba(220,180,120,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(220,180,120,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.enemy-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (max-width: 900px) {
  .enemy-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--verango-orange);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 1.25rem;
}
.section-eyebrow::before {
  content: "";
  width: 32px; height: 1px;
  background: var(--verango-orange);
}
.section-title {
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1;
  margin-bottom: 1.5rem;
}
.section-title .accent { color: var(--bayer-bright-green); font-style: italic; font-weight: 400; }
.section-lead {
  font-size: 1.15rem;
  line-height: 1.55;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin-bottom: 2rem;
}

.enemy-facts {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
.enemy-fact {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--verango-orange);
  background: rgba(255,255,255,0.03);
}
.enemy-fact .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--verango-orange);
  letter-spacing: 0.1em;
  min-width: 30px;
}
.enemy-fact .txt { 
  color: rgba(255,255,255,0.85); 
  font-size: 0.95rem;
  line-height: 1.45;
}
.enemy-fact strong { color: #fff; font-weight: 700; }

/* Petri dish / zoom */
.enemy-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 500px;
  margin: 0 auto 90px;
}
.petri {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at 40% 30%, #6b4a25, #3d2812 70%, #1a0f06);
  box-shadow: 
    inset 0 0 60px rgba(0,0,0,0.7),
    0 30px 60px rgba(0,0,0,0.5);
  border: 8px solid rgba(255,255,255,0.08);
}
.petri::before {
  /* lens sheen */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,0.15), transparent 45%);
  pointer-events: none;
  z-index: 3;
}
.petri-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s var(--ease-in-out);
}
.petri-image.active { opacity: 0.95; }

.petri-dots {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 4;
}
.petri-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: all .3s var(--ease-out);
}
.petri-dot:hover { background: rgba(255,255,255,0.5); }
.petri-dot.active {
  background: var(--verango-orange);
  width: 24px;
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(240, 73, 34, 0.6);
}

.petri-scale {
  position: absolute;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
}
.petri-ring {
  position: absolute;
  inset: -20px;
  border: 1px dashed rgba(240, 73, 34, 0.35);
  border-radius: 50%;
  pointer-events: none;
}
.petri-ring::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: calc(100% + 40px);
  height: calc(100% + 40px);
  border: 1px dashed rgba(240, 73, 34, 0.2);
  border-radius: 50%;
}
.petri-labels {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100%; height: 100%;
  pointer-events: none;
}
.petri-labels .lbl {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--verango-orange);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.petri-labels .lbl::before {
  content: "";
  position: absolute;
  background: var(--verango-orange);
}
.lbl-1 { top: 15%; right: -15%; }
.lbl-1::before { left: -30px; top: 8px; width: 20px; height: 1px; }
.lbl-2 { bottom: 20%; left: -25%; }
.lbl-2::before { right: -30px; top: 8px; width: 20px; height: 1px; }

.petri-scale::before,
.petri-scale::after {
  content: ""; width: 40px; height: 1px;
  background: rgba(255,255,255,0.3);
}

/* ============================================
   SECTION: CICLO DE VIDA
   ============================================ */
.cycle {
  background: var(--soil-500);
  background-image: 
    linear-gradient(180deg, var(--soil-500) 0%, var(--soil-700) 100%),
    radial-gradient(ellipse at center, rgba(255,255,255,0.03), transparent 70%);
  color: #fff;
  padding-block: var(--sp-3xl);
  position: relative;
  overflow: hidden;
}
.cycle-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--sp-xl);
}
.cycle-head .section-eyebrow { justify-content: center; }
.cycle-head .section-eyebrow::before { display: inline-block; }
.cycle-head .section-lead { margin-inline: auto; }

.cycle-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}
@media (max-width: 900px) {
  .cycle-wrap { grid-template-columns: 1fr; }
}

.cycle-diagram {
  position: relative;
  aspect-ratio: 1;
  max-width: 500px;
  margin: 0 auto;
}
.cycle-diagram svg { width: 100%; height: 100%; overflow: visible; }
.cycle-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
}
.cycle-center .days {
  font-size: 3rem;
  font-weight: 900;
  color: var(--bayer-bright-green);
  line-height: 1;
  letter-spacing: -0.04em;
}
.cycle-center .days-lbl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
  margin-top: 0.5rem;
}

.cycle-node {
  cursor: pointer;
  transition: transform .3s var(--ease-out);
}
.cycle-node circle.dot { transition: all .3s; }
.cycle-node text { 
  font-family: var(--font-mono);
  font-size: 12px; 
  font-weight: 700;
  fill: rgba(255,255,255,0.8);
  transition: fill .3s;
}
.cycle-node:hover circle.dot,
.cycle-node.active circle.dot {
  fill: var(--verango-orange);
  r: 12;
}
.cycle-node:hover text,
.cycle-node.active text { fill: #fff; }

.cycle-panel {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  padding: 2rem;
  min-height: 340px;
}
.cycle-panel .step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--verango-orange);
  margin-bottom: 0.5rem;
}
.cycle-panel .step-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #fff;
  letter-spacing: -0.02em;
}
.cycle-panel .step-desc {
  color: rgba(255,255,255,0.75);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.cycle-panel .step-meta {
  display: flex;
  gap: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.cycle-panel .meta-item .k {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  display: block;
  margin-bottom: 0.25rem;
}
.cycle-panel .meta-item .v {
  color: var(--bayer-bright-green);
  font-weight: 700;
  font-size: 1.1rem;
}

.cycle-nav {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
  justify-content: center;
}
.cycle-nav button {
  padding: 0.6rem 1.25rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  border-radius: var(--r-full);
  transition: all .2s;
}
.cycle-nav button:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ============================================
   SECTION: SÍNTOMAS · Compara antes/después
   ============================================ */
.symptoms {
  background: #fff;
  color: var(--text-primary);
  padding-block: var(--sp-3xl);
}
.symptoms-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--sp-xl);
}
.symptoms-head .section-eyebrow { justify-content: center; color: var(--verango-orange); }
.symptoms-head .section-eyebrow::before { background: var(--verango-orange); display: inline-block; }
.symptoms-head .section-title { color: var(--text-primary); }
.symptoms-head .section-lead { color: var(--text-muted); margin-inline: auto; }

.compare {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  aspect-ratio: 16/10;
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  box-shadow: 0 30px 80px -30px rgba(16,56,79,0.4);
}
.compare-side {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.compare-before {
  background-image: var(--compare-before, url("../assets/fotos/nematodo-raiz-afectada.jpg"));
}
.compare-after {
  background-image: var(--compare-after, url("../assets/fotos/11-rizoma-sano-visible.jpg"));
  clip-path: inset(0 0 0 var(--split, 50%));
}
.compare-labels {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem; right: 1.5rem;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 3;
}
.compare-labels .lbl {
  padding: 0.5rem 1rem;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  backdrop-filter: blur(10px);
  border-radius: 4px;
}
.compare-labels .lbl.after {
  background: var(--verango-navy);
  border-left: 3px solid var(--bayer-bright-green);
}
.compare-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--split, 50%);
  width: 3px;
  background: #fff;
  transform: translateX(-50%);
  z-index: 4;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.compare-handle::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 48px; height: 48px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.compare-handle::after {
  content: "‹›";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  color: var(--verango-navy);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.15em;
  z-index: 1;
}

.symptoms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-top: var(--sp-xl);
  max-width: 1000px;
  margin-inline: auto;
}
@media (max-width: 720px) {
  .symptoms-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.symptoms-col h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.symptoms-col.aerial h3 { color: var(--bayer-green); }
.symptoms-col.aerial h3::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--bayer-green);
  border-radius: 50%;
}
.symptoms-col.roots h3 { color: var(--verango-orange); }
.symptoms-col.roots h3::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--verango-orange);
  border-radius: 50%;
}
.symptoms-col ul {
  list-style: none;
  padding: 0; margin: 0;
}
.symptoms-col li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(16,56,79,0.1);
  color: var(--text-primary);
  display: flex;
  gap: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.4;
}
.symptoms-col li::before {
  content: "→";
  color: var(--verango-orange);
  font-weight: 700;
  flex-shrink: 0;
}
.symptoms-col.aerial li::before { color: var(--bayer-green); }

/* ============================================
   SECTION: IMPACTO ECONÓMICO
   ============================================ */
.impact {
  background: linear-gradient(180deg, var(--verango-navy) 0%, #082638 100%);
  color: #fff;
  padding-block: var(--sp-3xl);
  position: relative;
  overflow: hidden;
}
.impact::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(0,145,223,0.15), transparent 40%);
  pointer-events: none;
}
.impact-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--sp-xl);
  position: relative;
}
.impact-head .section-eyebrow { justify-content: center; color: var(--bayer-bright-green); }
.impact-head .section-eyebrow::before { background: var(--bayer-bright-green); display: inline-block; }
.impact-head .section-lead { color: rgba(255,255,255,0.75); margin-inline: auto; }

.impact-slider {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
}
.impact-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.impact-slider .label-l { 
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}
.impact-density {
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}
.impact-density small {
  font-size: 0.35em;
  color: var(--verango-orange);
  font-weight: 700;
  margin-left: 0.5rem;
  letter-spacing: 0.05em;
}
.impact-loss {
  text-align: right;
}
.impact-loss .n {
  font-size: 4.5rem;
  font-weight: 900;
  color: var(--verango-orange);
  letter-spacing: -0.05em;
  line-height: 0.9;
}
.impact-loss .n .pct { font-size: 0.5em; }
.impact-loss .lbl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.impact-range {
  position: relative;
  margin: 2.5rem 0 1rem;
}
.impact-range input[type="range"] {
  width: 100%;
  -webkit-appearance: none; appearance: none;
  background: transparent;
  cursor: pointer;
}
.impact-range input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, 
    var(--bayer-bright-green) 0%, 
    var(--bayer-bright-green) var(--fill, 0%), 
    rgba(255,255,255,0.15) var(--fill, 0%));
}
.impact-range input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
}
.impact-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 28px; height: 28px;
  background: var(--verango-orange);
  border-radius: 50%;
  margin-top: -11px;
  border: 3px solid #fff;
  box-shadow: 0 4px 12px rgba(240,73,34,0.5);
  transition: transform .2s;
}
.impact-range input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
.impact-range input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  background: var(--verango-orange);
  border-radius: 50%;
  border: 3px solid #fff;
}

.impact-marks {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}
.impact-marks span { position: relative; }
.impact-marks span::before {
  content: "";
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 6px;
  background: rgba(255,255,255,0.3);
}

.impact-note {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  line-height: 1.5;
}
.impact-note strong { color: var(--bayer-bright-green); }

/* ============================================
   SECTION: SOLUCIÓN VERANGO
   ============================================ */
.solution {
  background: #f4f6f8;
  color: var(--text-primary);
  padding-block: var(--sp-3xl);
  position: relative;
}
.solution-head {
  max-width: 780px;
  margin-bottom: var(--sp-xl);
}
.solution-head .section-title .accent { color: var(--verango-orange); }
.solution-head .section-lead { color: var(--text-muted); }

.solution-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: stretch;
}
@media (max-width: 900px) { .solution-grid { grid-template-columns: 1fr; } }

.solution-video {
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--verango-navy);
  position: relative;
  box-shadow: 0 30px 80px -30px rgba(16,56,79,0.4);
}
.solution-video video {
  width: 100%; height: 100%; object-fit: cover;
}
.solution-video .play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5));
  cursor: pointer;
  transition: opacity .3s;
}
.solution-video .play-overlay.hidden { opacity: 0; pointer-events: none; }
.solution-video .play-btn {
  width: 80px; height: 80px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  transition: transform .3s;
}
.solution-video .play-btn:hover { transform: scale(1.1); }
.solution-video .play-btn svg { color: var(--verango-navy); margin-left: 4px; }
.solution-video .video-caption {
  position: absolute;
  bottom: 1.25rem; left: 1.25rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.solution-benefits {
  display: grid;
  gap: 1rem;
  align-content: stretch;
}
.benefit {
  background: #fff;
  border-radius: var(--r-md);
  padding: 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: center;
  border-left: 4px solid var(--verango-orange);
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.benefit:hover {
  transform: translateX(6px);
  box-shadow: 0 20px 40px -20px rgba(16,56,79,0.15);
}
.benefit .num {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--verango-navy);
  letter-spacing: -0.04em;
  line-height: 1;
}
.benefit .num sup { 
  font-size: 0.4em; 
  color: var(--verango-orange); 
  font-weight: 700; 
  vertical-align: super;
}
.benefit .content h4 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--verango-navy);
}
.benefit .content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}
.benefit .num .dash {
  font-weight: 300;
  color: var(--verango-orange);
  margin: 0 -0.05em;
}
.benefit-hero {
  background: var(--verango-navy);
  border-left: 4px solid var(--bayer-bright-green);
  color: #fff;
}
.benefit-hero .num { color: #fff; }
.benefit-hero .num sup,
.benefit-hero .num .dash { color: var(--bayer-bright-green); }
.benefit-hero .content h4 { color: #fff; }
.benefit-hero .content p { color: rgba(255,255,255,0.75); }
.benefit-hero:hover { box-shadow: 0 20px 40px -20px rgba(16,56,79,0.5); }

.solution-footnote {
  max-width: var(--container);
  margin: 1.75rem auto 0;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  text-align: right;
}

/* ============================================
   SECTION: APLICACIÓN (drench)
   ============================================ */
.apply {
  background: #fff;
  color: var(--text-primary);
  padding-block: var(--sp-3xl);
}
.apply-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--sp-xl);
}
.apply-head .section-eyebrow { justify-content: center; color: var(--verango-orange); }
.apply-head .section-eyebrow::before { background: var(--verango-orange); display: inline-block; }
.apply-head .section-title { color: var(--text-primary); }
.apply-head .section-lead { color: var(--text-muted); margin-inline: auto; }

.apply-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 900px) { .apply-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .apply-steps { grid-template-columns: 1fr; } }

.step-card {
  background: #f4f6f8;
  border-radius: var(--r-md);
  padding: 2rem 1.5rem;
  position: relative;
  transition: transform .3s var(--ease-out);
}
.step-card:hover { transform: translateY(-6px); }
.step-card .step-n {
  position: absolute;
  top: 1rem; right: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(16,56,79,0.35);
}
.step-card .step-icon {
  width: 48px; height: 48px;
  background: var(--verango-navy);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  position: relative;
}
.step-card:nth-child(1) .step-icon { background: var(--bayer-bright-green); color: var(--verango-navy); }
.step-card:nth-child(2) .step-icon { background: var(--bayer-blue); }
.step-card:nth-child(3) .step-icon { background: var(--bayer-mid-blue); }
.step-card:nth-child(4) .step-icon { background: var(--verango-orange); }

.step-card h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--verango-navy);
}
.step-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}
.step-card .step-meta {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(16,56,79,0.1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--verango-orange);
  text-transform: uppercase;
}

/* Tabla de dosis SOP */
.dosage-table-wrap {
  max-width: 900px;
  margin: 4rem auto 0;
  background: var(--verango-navy);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.dosage-table-wrap::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--verango-orange), var(--bayer-bright-green));
}
.dosage-table-header {
  text-align: center;
  margin-bottom: 2rem;
}
.dosage-eyebrow {
  color: var(--verango-orange);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 1rem;
}
.dosage-table-header h3 {
  color: #fff;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  margin-bottom: 0.75rem;
}
.dosage-table-header p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  max-width: 560px;
  margin: 0 auto;
}
.dosage-table {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-md);
  overflow: hidden;
}
.dosage-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 1rem;
  color: rgba(255,255,255,0.9);
  transition: background .2s;
  text-align: center;
}
.dosage-row:last-child { border-bottom: 0; }
.dosage-row:not(.dosage-head):hover {
  background: rgba(240, 73, 34, 0.08);
}
.dosage-row.dosage-head {
  background: rgba(240, 73, 34, 0.15);
  color: var(--verango-orange);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  padding-block: 1rem;
}
.dosage-row div:nth-child(2) {
  color: var(--bayer-bright-green);
  font-weight: 700;
}
.dosage-row.dosage-head div:nth-child(2) { color: var(--verango-orange); }
@media (max-width: 600px) {
  .dosage-table-wrap { padding: 1.75rem 1.25rem; }
  .dosage-row { grid-template-columns: 1fr 1fr 1fr; gap: 0.5rem; padding: 0.75rem 0.5rem; font-size: 0.85rem; }
  .dosage-row.dosage-head { font-size: 0.6rem; letter-spacing: 0.08em; }
}

/* ============================================
   SECTION: CTA
   ============================================ */
.cta-final {
  background: var(--verango-navy);
  color: #fff;
  padding-block: var(--sp-3xl);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--cta-bg, url("../assets/video/frames/v2-06-aerea-plantacion-final.jpg"));
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  filter: saturate(0.7);
}
.cta-final::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--verango-navy) 0%, rgba(16,56,79,0.7) 100%);
}
.cta-final .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}
.cta-final .section-eyebrow {
  justify-content: center;
  color: var(--bayer-bright-green);
}
.cta-final .section-eyebrow::before { background: var(--bayer-bright-green); display: inline-block; }
.cta-final h2 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
}
.cta-final h2 .accent { color: var(--bayer-bright-green); font-style: italic; font-weight: 400; }
.cta-final p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 560px;
  margin-inline: auto;
}
.cta-final .btn-primary {
  background: var(--bayer-bright-green);
  color: var(--verango-navy);
  border-color: var(--bayer-bright-green);
  padding: 1.15rem 2rem;
  font-size: 1rem;
}
.cta-final .btn-primary:hover {
  background: #fff;
  border-color: #fff;
  box-shadow: 0 20px 40px -15px rgba(137,211,41,0.5);
}
.cta-final .btn-whatsapp svg {
  transition: transform .3s var(--ease-out);
}
.cta-final .btn-whatsapp:hover svg {
  transform: scale(1.15);
}
.cta-phone-note {
  margin-top: 1.75rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.cta-phone-note strong {
  color: var(--bayer-bright-green);
  letter-spacing: 0.05em;
}

/* Fuente de información */
.info-source {
  background: #f4f6f8;
  padding-block: 2.5rem;
  border-bottom: 1px solid rgba(16,56,79,0.08);
}
.info-source-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  padding-inline: 1rem;
}
.info-source-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--verango-orange);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.info-source p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}
.info-source strong { color: var(--text-primary); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0a2536;
  color: rgba(255,255,255,0.6);
  padding-block: 3.5rem 2rem;
  font-size: 0.85rem;
}
.footer .container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand { display: flex; align-items: center; gap: 1rem; }
.footer-brand img { height: 50px; }
.footer-region {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--verango-orange);
  text-transform: uppercase;
  font-weight: 700;
}

/* Grilla de legales por país */
.footer-legals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 2rem;
}
.footer-legals-grid.single {
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 700px) {
  .footer-legals-grid { grid-template-columns: 1fr; gap: 1rem; }
}
.legal-block {
  border-left: 2px solid var(--verango-orange);
  padding-left: 1rem;
}
.legal-country {
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.legal-country .flag {
  font-size: 1.15rem;
  line-height: 1;
}
.legal-text {
  font-size: 0.72rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.55);
  margin: 0;
}
.legal-text strong {
  color: rgba(255,255,255,0.85);
  font-weight: 700;
}

/* Recomendación general al final */
.footer-general {
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.7rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.4);
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
}