/* Ecodust — landing de captación (Argentina). Diseño propio, no reutiliza el de Fischer.
   Paleta: verde profundo + verde Ecodust + ámbar (calor reutilizable). */

:root {
  --verde-900: #0c231f;   /* fondo oscuro */
  --verde-800: #10322b;
  --verde-700: #16463b;
  --verde-500: #16a06b;   /* primario */
  --verde-400: #1fc081;
  --ambar:     #e8a33d;   /* acento: calor / energía reutilizable */
  --ambar-600: #c9852a;
  --claro:     #f4f7f5;
  --gris:      #5d6b66;
  --linea:     #e2e8e4;
  --blanco:    #ffffff;
  --tinta:     #0c231f;

  --radio: 16px;
  --sombra: 0 10px 40px rgba(12, 35, 31, 0.10);
  --max: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--tinta);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p  { margin: 0 0 1rem; }
a  { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--verde-500); margin-bottom: 1rem;
}
.muted { color: var(--gris); }

/* Botones */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  font-weight: 700; font-size: 1rem; padding: .85rem 1.5rem; border-radius: 999px;
  border: 2px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--verde-500); color: #fff; box-shadow: 0 8px 24px rgba(22,160,107,.3); }
.btn-primary:hover { background: var(--verde-400); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost:hover { border-color: #fff; }
.btn-dark { background: var(--tinta); color:#fff; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--linea);
}
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; }
.brand .dot { color: var(--verde-500); }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { font-weight: 600; font-size: .95rem; color: var(--gris); }
.nav a:hover { color: var(--tinta); }
.nav .btn { padding: .55rem 1.1rem; font-size: .9rem; }
.nav-links { display: flex; gap: 1.6rem; }

/* Hero */
.hero { position: relative; background: radial-gradient(1200px 600px at 75% -10%, var(--verde-700), var(--verde-900)); color: #fff; overflow: hidden; }
.hero::after {
  content:""; position:absolute; inset:0; opacity:.5; pointer-events:none;
  background:
    radial-gradient(500px 240px at 85% 20%, rgba(232,163,61,.18), transparent 70%),
    radial-gradient(600px 300px at 10% 90%, rgba(31,192,129,.16), transparent 70%);
}
.hero .wrap { position: relative; z-index: 1; padding: 84px 20px 72px; }
.hero .eyebrow { color: var(--verde-400); }
.hero h1 { color: #fff; max-width: 15ch; }
.hero .lead { font-size: 1.2rem; color: rgba(255,255,255,.82); max-width: 54ch; margin-bottom: 2rem; }
.hero .cta-row { display: flex; gap: .9rem; flex-wrap: wrap; }
.hero .nota { margin-top: 1.2rem; font-size: .85rem; color: rgba(255,255,255,.55); }

/* Stat strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--radio); overflow: hidden; margin-top: 3rem; }
.stats .stat { background: rgba(12,35,31,.35); padding: 1.3rem 1.2rem; }
.stats .num { font-size: 1.9rem; font-weight: 800; color: #fff; }
.stats .num small { font-size: .95rem; font-weight: 700; color: var(--verde-400); }
.stats .lbl { font-size: .82rem; color: rgba(255,255,255,.7); }

/* Secciones */
section { padding: 76px 0; }
.section-head { max-width: 62ch; margin-bottom: 2.5rem; }

/* Problema → solución */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.card-soft { background: var(--claro); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.6rem; }
.card-soft h3 { display:flex; align-items:center; gap:.5rem; }
.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li { position: relative; padding-left: 1.8rem; margin-bottom: .6rem; }
.list-check li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--verde-500); font-weight: 800; }
.list-x li::before { content: "×"; color: #c0392b; }

/* Proceso */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.4rem; position: relative; }
.step::before { counter-increment: s; content: counter(s); display:flex; align-items:center; justify-content:center;
  width: 36px; height: 36px; border-radius: 50%; background: var(--verde-500); color:#fff; font-weight: 800; margin-bottom: .8rem; }

/* Beneficios */
.bg-dark { background: var(--verde-900); color: #fff; }
.bg-dark h2, .bg-dark h3 { color: #fff; }
.bg-dark .eyebrow { color: var(--verde-400); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.benefit { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radio); padding: 1.5rem; }
.benefit .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(31,192,129,.15); display:flex; align-items:center; justify-content:center; margin-bottom: 1rem; color: var(--verde-400); }
.benefit p { color: rgba(255,255,255,.72); margin: 0; font-size: .96rem; }

/* Aplicaciones */
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.app { background: #fff; border: 1px solid var(--linea); border-radius: 14px; padding: 1.1rem 1.2rem; display:flex; gap:.8rem; align-items:flex-start; }
.app .em { font-size: 1.4rem; line-height: 1; }
.app h3 { font-size: 1rem; margin: 0 0 .15rem; }
.app p { font-size: .88rem; color: var(--gris); margin: 0; }

/* Modelos */
.models-note { background: var(--claro); border: 1px dashed var(--verde-500); border-radius: var(--radio); padding: 1.5rem; display:flex; gap:1.2rem; align-items:center; flex-wrap: wrap; justify-content: space-between; }

/* Formulario */
.form-sec { background: linear-gradient(180deg, var(--verde-800), var(--verde-900)); color:#fff; }
.form-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: start; }
.form-card { background: #fff; color: var(--tinta); border-radius: 20px; padding: 2rem; box-shadow: var(--sombra); }
.field { margin-bottom: 1rem; }
.field label { display:block; font-size: .85rem; font-weight: 700; margin-bottom: .35rem; }
.field .req { color: var(--verde-500); }
.field input, .field select, .field textarea {
  width: 100%; padding: .75rem .9rem; border: 1.5px solid var(--linea); border-radius: 10px;
  font: inherit; color: var(--tinta); background: #fff; transition: border .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--verde-500); }
.field textarea { resize: vertical; min-height: 84px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hp { position: absolute; left: -9999px; width:1px; height:1px; overflow:hidden; } /* honeypot */
.form-msg { margin-top: 1rem; font-size: .92rem; padding: .8rem 1rem; border-radius: 10px; display:none; }
.form-msg.ok  { display:block; background: #e8f7ef; color: #11673f; border:1px solid #bfe8d2; }
.form-msg.err { display:block; background: #fdecea; color: #a12620; border:1px solid #f5c6c2; }
.form-side li { margin-bottom: 1rem; color: rgba(255,255,255,.85); }
.form-side .list-check li::before { color: var(--verde-400); }

/* Footer */
.footer { background: var(--verde-900); color: rgba(255,255,255,.7); padding: 40px 0; border-top: 1px solid rgba(255,255,255,.08); }
.footer .wrap { display:flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.footer a { color: var(--verde-400); }
.footer .fine { font-size: .8rem; color: rgba(255,255,255,.45); max-width: 60ch; }

/* Responsive */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .split, .form-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps, .grid-3, .apps { grid-template-columns: 1fr; }
  .row-2 { grid-template-columns: 1fr; }
}

/* =========================================================
   v2 — Confianza: fotos, respaldo, caso, equipo, animaciones
   ========================================================= */

/* Badge "representación oficial" */
.badge-oficial {
  display: inline-flex; align-items: center; gap: .5rem; background: rgba(31,192,129,.14);
  border: 1px solid rgba(31,192,129,.4); color: var(--verde-400);
  padding: .4rem .9rem; border-radius: 999px; font-size: .8rem; font-weight: 700;
  letter-spacing: .04em; margin-bottom: 1.3rem;
}
.badge-oficial svg { flex: 0 0 auto; }

/* Hero con foto real de planta */
.hero.hero-photo { background: var(--verde-900); }
.hero.hero-photo .hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url("../assets/img/planta.webp") center/cover no-repeat;
  opacity: .28; filter: saturate(1.05);
}
.hero.hero-photo::after {
  background:
    linear-gradient(180deg, rgba(10,30,26,.65), rgba(10,30,26,.92)),
    radial-gradient(600px 300px at 85% 10%, rgba(232,163,61,.16), transparent 70%);
  opacity: 1;
}

/* Barra de respaldo (trust strip bajo el hero) */
.trust-strip { background: #fff; border-bottom: 1px solid var(--linea); }
.trust-strip .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 18px 20px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--gris); font-weight: 600; }
.trust-item strong { color: var(--tinta); }
.trust-item .ic { color: var(--verde-500); font-size: 1.1rem; }

/* Secciones con figura (texto + imagen) */
.media { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.media.rev { direction: rtl; } .media.rev > * { direction: ltr; }
.media .fig { border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); background: var(--claro); }
.media .fig img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fig-caption { font-size: .8rem; color: var(--gris); margin-top: .6rem; }

/* Caso de éxito */
.caso { position: relative; overflow: hidden; }
.caso .tag { display:inline-block; background: var(--ambar); color:#3a2a08; font-weight:700; font-size:.78rem; padding:.3rem .8rem; border-radius:999px; margin-bottom: 1rem; }
.caso .quote-num { font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 800; color: var(--verde-500); line-height: 1; letter-spacing: -.03em; }

/* Respaldo / representación */
.respaldo-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; margin-top: 2rem; }
.respaldo-card { background: rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.1); border-radius: var(--radio); padding: 1.5rem; }
.respaldo-card .k { font-size: 1.9rem; font-weight: 800; color:#fff; }
.respaldo-card .k small { font-size: 1rem; color: var(--verde-400); }
.respaldo-card p { color: rgba(255,255,255,.72); margin:.3rem 0 0; font-size:.92rem; }

/* Equipo / socios */
.team { display:grid; grid-template-columns: repeat(2,1fr); gap: 1.4rem; max-width: 760px; }
.member { display:flex; gap:1.1rem; align-items:center; background:#fff; border:1px solid var(--linea); border-radius: var(--radio); padding: 1.3rem; }
.avatar { flex:0 0 auto; width:66px; height:66px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:1.3rem; color:#fff; background: linear-gradient(135deg, var(--verde-500), var(--verde-700)); }
.member h3 { margin:0; font-size:1.05rem; }
.member .role { color: var(--verde-500); font-weight:700; font-size:.85rem; margin:.1rem 0; }
.member .meta { color: var(--gris); font-size:.85rem; margin:0; }

/* CTA final banda */
.cta-band { background: linear-gradient(120deg, var(--verde-700), var(--verde-500)); color:#fff; border-radius: 22px; padding: 2.4rem; text-align:center; box-shadow: var(--sombra); }
.cta-band h2 { color:#fff; }
.cta-band .btn-primary { background:#fff; color: var(--verde-700); }
.cta-band .btn-primary:hover { background: var(--claro); }

/* ====== Animaciones ====== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity:1; transform:none; transition:none; } }

.app, .benefit, .step, .member { transition: transform .18s ease, box-shadow .18s ease; }
.app:hover, .member:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.benefit:hover { transform: translateY(-3px); border-color: rgba(31,192,129,.35); }
.step:hover { transform: translateY(-3px); box-shadow: var(--sombra); }

@media (max-width: 860px) {
  .media, .respaldo-grid, .team { grid-template-columns: 1fr; }
  .media.rev { direction: ltr; }
  .trust-strip .wrap { justify-content: flex-start; }
}

/* =========================================================
   Circuito Basura Cero (barrios cerrados / municipios)
   ========================================================= */
#circuito { background: var(--claro); }
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.fstep {
  background: #fff; border: 1px solid var(--linea); border-radius: 14px; padding: 1.3rem;
  display: flex; flex-direction: column; gap: .5rem;
  transition: transform .18s ease, box-shadow .18s ease;
}
.fstep:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.fstep h3 { font-size: 1.02rem; margin: 0; }
.fstep p { font-size: .9rem; color: var(--gris); margin: 0; }
.fnum {
  width: 40px; height: 40px; border-radius: 999px; background: var(--verde-500); color: #fff;
  font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.fstep-dark { background: var(--verde-900); border-color: var(--verde-900); }
.fstep-dark h3 { color: #fff; }
.fstep-dark p { color: rgba(255,255,255,.72); }
.fnum-amber { background: var(--ambar); color: #3a2a08; }
.flow-result {
  margin-top: 1.4rem; background: rgba(22,160,107,.1); border: 1px solid rgba(22,160,107,.35);
  border-radius: var(--radio); padding: 1.3rem 1.6rem; font-size: 1.05rem; color: var(--tinta);
}
@media (max-width: 860px) { .flow { grid-template-columns: 1fr; } }