/* ============ NOBABEN — Industrial Design System ============ */
:root {
  --ink: #1c2430;
  --ink-2: #3a4654;
  --steel: #64748b;
  --line: #e2e8f0;
  --bg: #f7f9fb;
  --white: #ffffff;
  --accent: #f59e0b;       /* amarillo industrial */
  --accent-dark: #d97706;
  --safety: #ff6b1a;
  --dark: #141a22;
  --dark-2: #1d2530;
  --ok: #16a34a;
  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(16, 24, 40, .10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: #1a1304; }
:focus-visible { outline: 3px solid rgba(245,158,11,.55); outline-offset: 2px; border-radius: 4px; }
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-thumb { background: #3a4654; border-radius: 8px; border: 3px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { font-family: var(--font-body); color: var(--ink); background: var(--bg); line-height: 1.6; }
img, svg { display: block; max-width: 100%; }

.container { width: min(1180px, 92%); margin-inline: auto; }

/* Íconos SVG inline (reemplazan emojis — regla UX de la skill) */
.ico {
  width: 18px; height: 18px; display: inline-block; vertical-align: -3px;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}
.benefits-strip .ico { width: 22px; height: 22px; color: var(--accent-dark); margin-bottom: .3rem; }
.contact-data .ico, .footer-contact .ico { color: var(--accent-dark); margin-right: .2rem; }
.footer-contact .ico { color: #9fadbc; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.05; text-transform: uppercase; letter-spacing: .01em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.35rem; }

.kicker {
  display: inline-block; font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  letter-spacing: .14em; color: var(--accent-dark); font-size: .95rem; margin-bottom: .5rem;
}
.section { padding: 88px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head p { color: var(--steel); margin-top: .75rem; }

/* ============ Buttons ============ */
.btn {
  display: inline-block; font-weight: 600; text-decoration: none; cursor: pointer; border: 0;
  border-radius: 10px; padding: .8rem 1.5rem; font-size: 1rem; font-family: var(--font-body);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark)); color: #1a1304;
  box-shadow: 0 6px 20px rgba(245, 158, 11, .35);
}
/* Brillo que barre el botón al hacer hover */
.btn-primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -70%; width: 45%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.5), transparent);
  transform: skewX(-20deg); transition: left .45s ease; pointer-events: none;
}
.btn-primary:hover::after { left: 135%; }
.btn-primary:hover { box-shadow: 0 8px 28px rgba(245, 158, 11, .5); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid #cbd5e1; }
.btn-ghost:hover { border-color: var(--ink); background: rgba(28,36,48,.04); }
.result-card .btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.result-card .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-lg { padding: 1rem 1.9rem; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-whatsapp { background: #25d366; color: #06311a; font-weight: 700; margin-top: 1.5rem; }
.btn-whatsapp:hover { background: #1fc15a; }

/* ============ Navbar ============ */
/* Fondo casi opaco en lugar de backdrop-filter: blur sobre position:fixed
   es costoso y frágil en webviews embebidos; el resultado visual es el mismo. */
.navbar {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(20, 26, 34, .97);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo {
  display: flex; align-items: center; gap: .55rem; color: #fff; text-decoration: none;
  font-family: "Cinzel", serif; font-size: 1.25rem; font-weight: 700; letter-spacing: .03em;
}
.logo strong { color: inherit; } /* NOBABEN en un solo color en toda la página */
.logo-icon { width: 34px; display: block; }
.navbar.scrolled { box-shadow: 0 10px 34px rgba(0,0,0,.4); background: rgba(20, 26, 34, .99); }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: #cbd5e1; text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: #fff; }
.nav-links a:not(.btn) { position: relative; }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: var(--accent); transition: right .25s ease;
}
.nav-links a:not(.btn):hover::after, .nav-links a:not(.btn).active::after { right: 0; }
.nav-links a:not(.btn).active { color: #fff; }
.btn-nav { padding: .55rem 1.1rem; font-size: .9rem; color: #1a1304 !important; }
.hamburger { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.hamburger span { display: block; width: 24px; height: 2.5px; background: #fff; margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden; color: var(--ink);
  background: linear-gradient(180deg, #FBF8F1 0%, #F2EEE3 100%); /* crema del folleto */
  padding: 150px 0 90px;
}
/* Bandas de la tapa del folleto (azul + naranja), ancladas arriba a la derecha */
.hero-cover {
  position: absolute; top: 0; right: 0; height: 100%; width: min(52%, 660px);
  pointer-events: none; opacity: .95;
}
@media (max-width: 980px) { .hero-cover { height: 48%; width: 68%; opacity: .85; } }
.hero-grid-bg {
  position: absolute; inset: 0; opacity: .6;
  background-image: linear-gradient(rgba(28,36,48,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(28,36,48,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(800px 500px at 50% 30%, #000 30%, transparent 100%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.badge {
  display: inline-block; background: rgba(245,158,11,.14); color: #92400e; /* contraste 4.5:1 sobre el fondo ámbar claro */
  border: 1px solid rgba(245,158,11,.35); border-radius: 99px; padding: .35rem .9rem;
  font-size: .85rem; font-weight: 600; margin-bottom: 1.2rem;
  animation: badgeGlow 3.6s ease-in-out infinite;
}
@keyframes badgeGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0); }
  50% { box-shadow: 0 0 20px 0 rgba(245,158,11,.28); }
}
/* Lockup del logo original del folleto: Eólicos / NOBABEN / bajada */
.brand-eyebrow {
  font-family: "Comfortaa", var(--font-body); font-weight: 400;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem); color: var(--ink-2);
  margin-bottom: -.3rem; letter-spacing: .01em;
}
.hero h1.brand-word {
  font-family: "Cinzel", serif; font-weight: 800; text-transform: none;
  font-size: clamp(3rem, 7.5vw, 5.8rem); line-height: 1.04;
  letter-spacing: .015em; color: var(--ink);
}
.hero-tagline {
  font-family: "Comfortaa", var(--font-body); font-weight: 400; text-transform: none;
  letter-spacing: .01em; color: var(--ink-2); font-size: clamp(1rem, 1.9vw, 1.3rem);
  line-height: 1.45; margin-top: .7rem;
}

/* Sello en la posición del folleto: a la izquierda, bajo la bajada */
.sello-cover { width: 96px; margin: 1.1rem 0 .3rem; }

/* Líneas de viento que cruzan el hero */
.wind { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.wind i {
  position: absolute; left: -30%; height: 2px; width: 24%; border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(245,158,11,.4), transparent);
  animation: windDrift 8s linear infinite;
}
.wind i:nth-child(1) { top: 22%; }
.wind i:nth-child(2) { top: 47%; animation-delay: 2.7s; animation-duration: 10s; opacity: .7; }
.wind i:nth-child(3) { top: 70%; animation-delay: 5.2s; animation-duration: 9s; opacity: .5; }
@keyframes windDrift { to { transform: translateX(620%); } }

/* Indicador de scroll */
.scroll-cue {
  position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%);
  width: 36px; height: 36px; border: 1.5px solid rgba(28,36,48,.25); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; transition: border-color .2s;
}
.scroll-cue span {
  width: 9px; height: 9px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  margin-top: -4px; animation: cueBounce 1.8s ease-in-out infinite;
}
.scroll-cue:hover { border-color: var(--accent); }
@keyframes cueBounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); }
  50% { transform: rotate(45deg) translate(3px, 3px); }
}
.hero-sub { margin-top: 1.1rem; font-size: 1.15rem; color: var(--steel); max-width: 540px; }
.hero-sub strong { color: var(--ink); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, auto); gap: 2.2rem; margin-top: 2.6rem;
  padding-top: 1.6rem; border-top: 1px solid rgba(28,36,48,.12); width: fit-content;
}
.hero-stats div { display: flex; flex-direction: column; }
/* Sello Industria Argentina (recreación vectorial del emblema del folleto) */
.sello-ia { width: 88px; filter: drop-shadow(0 4px 10px rgba(28,36,48,.18)); }
.sello-ia svg { width: 100%; height: auto; display: block; }
.sello-ia-sm { width: 64px; margin-top: 1rem; filter: none; }
/* Halo crema detrás del equipo para que el dibujo respire sobre las bandas */
.hero-visual::before {
  content: ""; position: absolute; inset: -10%; z-index: -1; border-radius: 50%;
  background: radial-gradient(circle, rgba(251,248,241,.96) 42%, rgba(251,248,241,0) 72%);
}
.hero-stats strong { font-family: var(--font-display); font-size: 1.7rem; color: var(--accent-dark); }
.hero-stats span { font-size: .8rem; color: var(--steel); }

.hero-visual {
  position: relative; display: flex; justify-content: center;
  transform: translate(var(--px, 0), calc(var(--py, 0px) + var(--sy, 0px)));
  transition: transform .35s ease-out;
}

/* Barra de progreso de lectura (scroll-fx experimental) */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120;
  background: linear-gradient(90deg, var(--accent), var(--safety));
  transform: scaleX(0); transform-origin: 0 50%; pointer-events: none;
}
/* Corrientes de aire: viento entrando (azul) y aire cálido saliendo (ámbar) */
.hero-flow {
  position: absolute; left: -14%; top: -8%; width: 128%; height: 116%;
  pointer-events: none; overflow: visible;
}
.hero-flow .stream {
  fill: none; stroke: #7cb3f5; stroke-width: 3.5; stroke-linecap: round;
  opacity: 0; stroke-dasharray: 80 300;
  animation: streamFlow 3.8s linear infinite;
}
.hero-flow .s2 { animation-delay: 1.25s; stroke-width: 3; }
.hero-flow .s3 { animation-delay: 2.5s; }
.hero-flow .out { stroke: var(--accent); stroke-dasharray: 46 220; animation: streamOut 3s linear infinite; }
.hero-flow .o1 { animation-delay: .4s; }
.hero-flow .o2 { animation-delay: 1.4s; stroke-width: 3; }
.hero-flow .o3 { animation-delay: 2.3s; }
@keyframes streamFlow {
  0% { stroke-dashoffset: 380; opacity: 0; }
  12% { opacity: .65; }
  70% { opacity: .45; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes streamOut {
  0% { stroke-dashoffset: 266; opacity: 0; }
  15% { opacity: .8; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
/* Foto real del producto en el hero, estática (pedido del cliente) */
.hero-product { position: relative; width: min(430px, 90%); }
.hero-photo {
  width: 100%; height: auto; display: block;
  filter: drop-shadow(0 28px 36px rgba(28,36,48,.32)) contrast(1.03);
}
.extractor-svg { width: min(360px, 80%); filter: drop-shadow(0 22px 40px rgba(28,36,48,.28)); }
@keyframes spin { to { transform: rotate(360deg); } }
/* Giro de la turbina eólica: cinta de aletas desplazándose dentro del clip,
   simula la rotación sobre el eje vertical vista de costado */
.turbine-belt { animation: turbineSpin 3.2s linear infinite; }
@keyframes turbineSpin { to { transform: translateX(-264px); } }
.hero-glow {
  position: absolute; inset: 10% 15%; z-index: -1; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.18), transparent 65%);
}

/* ============ Trust bar ============ */
.trust-bar { background: #fff; color: var(--steel); padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-inner { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; font-size: .88rem; }
.trust-inner span { color: var(--accent-dark); font-weight: 700; text-transform: uppercase; font-size: .78rem; letter-spacing: .1em; }
.trust-inner ul { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; list-style: none; }
.trust-inner li::before { content: "▸ "; color: var(--accent-dark); }

/* ============ Cards / Productos ============ */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.8rem;
}
.product-card { display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 18px 50px rgba(16,24,40,.15); }
.product-card.recommended { border: 2px solid var(--accent); position: relative; }
.product-ribbon {
  position: absolute; top: -12px; right: 16px; background: var(--accent); color: #1a1304;
  font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em;
  padding: .25rem .7rem; border-radius: 6px;
}
.product-visual { display: flex; justify-content: center; padding: .6rem 0 1rem; color: var(--steel); }
.product-card h3 { font-size: 1.6rem; }
.product-diameter { color: var(--accent-dark); font-weight: 700; font-size: .9rem; margin-bottom: .8rem; }
.spec-list { list-style: none; margin: .6rem 0 1.2rem; font-size: .92rem; color: var(--ink-2); flex: 1; }
.spec-list li { display: flex; justify-content: space-between; padding: .45rem 0; border-bottom: 1px dashed var(--line); }
.spec-list li strong { font-variant-numeric: tabular-nums; }
.product-uses { font-size: .82rem; color: var(--steel); margin-bottom: 1rem; }

/* ============ Tabla técnica (rendimientos del catálogo) ============ */
#specTable { margin-top: 3rem; }
.spec-table-title { margin-bottom: 1rem; }
/* Tabla compacta + figura del equipo lado a lado (pedido de Horacio) */
.spec-main { display: grid; grid-template-columns: 1fr 270px; gap: 2rem; align-items: center; }
@media (max-width: 980px) { .spec-main { grid-template-columns: 1fr; } }
.spec-table-scroll { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.spec-table { width: 100%; border-collapse: collapse; background: var(--white); font-size: .85rem; min-width: 480px; }
.spec-table th {
  background: var(--dark-2); color: #e6ebf1; padding: .6rem .8rem; text-align: center;
  font-family: var(--font-display); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: .78rem;
}
.spec-table td { padding: .45rem .65rem; text-align: center; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.spec-table tbody tr:nth-child(even) { background: #f4f7fa; }
.spec-table tbody tr:hover { background: #fff7e8; }
/* Columna de referencia del cotizador (viento 10 km/h) destacada */
.spec-table td.col-ref { background: rgba(245,158,11,.12); font-weight: 700; color: var(--accent-dark); }
.spec-table th.col-ref { background: var(--accent); color: #1a1304; }
.spec-table-note { margin-top: .9rem; font-size: .85rem; color: var(--steel); max-width: 720px; }

/* Tabla completa de renovaciones (ancho completo) */
.spec-extra { margin-top: 2.8rem; }
.dim-figure {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.3rem; text-align: center; margin: 0;
}
.dim-figure svg { width: 100%; max-width: 230px; margin: 0 auto; display: block; }
.dim-figure figcaption { font-size: .82rem; color: var(--steel); margin-top: .8rem; }
.ach-tables {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.1rem 1.4rem;
}
.ach-table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.ach-table td { padding: .34rem .3rem; border-bottom: 1px dashed var(--line); color: var(--ink-2); }
.ach-table tr:last-child td { border-bottom: 0; }
.ach-table td:last-child {
  text-align: right; font-weight: 700; color: var(--accent-dark);
  white-space: nowrap; font-variant-numeric: tabular-nums;
}
@media (max-width: 980px) {
  .ach-tables { grid-template-columns: 1fr; }
}

/* ============ Fila de clientes (trust bar, marquee) ============ */
.trust-clients { margin-top: .5rem; padding-top: .5rem; border-top: 1px solid var(--line); overflow: hidden; }
.trust-clients li::before { content: "★ "; color: var(--accent-dark); }
.trust-clients li { color: var(--ink-2); font-weight: 600; white-space: nowrap; font-size: 1.05rem; }
.trust-clients ul.marquee {
  flex-wrap: nowrap; width: max-content;
  animation: ticker 40s linear infinite;
}
.trust-clients ul.marquee:hover { animation-play-state: paused; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ============ Cómo funciona (tema claro) ============ */
.section-dark { background: #eef2f6; color: var(--ink); }
.section-dark .section-head p { color: var(--steel); }
.section-dark h2 { color: var(--ink); }

/* Animación del ciclo de extracción */
.flow-demo { max-width: 660px; margin: 0 auto 2.8rem; }
.flow-demo svg { width: 100%; display: block; }
.flow-demo .rotor { transform-box: fill-box; transform-origin: center; animation: spin 2.8s linear infinite; }
.flow-demo .air { opacity: 0; }
.air-in-l { animation: flowInL 2.6s linear infinite; }
.air-in-r { animation: flowInR 2.6s linear infinite; }
.air-up { animation: flowUp 3s linear infinite; }
.air-out { animation: flowOut 2.2s linear infinite; }
.flow-demo .d2 { animation-delay: 1.3s; }
.flow-demo .d3 { animation-delay: .6s; }
@keyframes flowInL { 0% { transform: translateX(-16px); opacity: 0; } 25% { opacity: 1; } 100% { transform: translateX(30px); opacity: 0; } }
@keyframes flowInR { 0% { transform: translateX(16px); opacity: 0; } 25% { opacity: 1; } 100% { transform: translateX(-30px); opacity: 0; } }
@keyframes flowUp { 0% { transform: translateY(18px); opacity: 0; } 25% { opacity: 1; } 100% { transform: translateY(-26px); opacity: 0; } }
@keyframes flowOut { 0% { transform: translateY(10px); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(-16px); opacity: 0; } }
.flow-caption { text-align: center; color: var(--steel); font-size: .92rem; max-width: 560px; margin: .8rem auto 0; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.6rem; position: relative; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease;
}
.step::before {
  content: ""; position: absolute; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--safety)); transition: width .35s ease;
}
.step:hover { transform: translateY(-4px); border-color: rgba(245,158,11,.4); }
.step:hover::before { width: 100%; }
.step-num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; color: var(--accent-dark); opacity: .9; }
.step h3 { margin: .4rem 0 .5rem; color: var(--ink); font-size: 1.15rem; }
.step p { font-size: .9rem; color: var(--steel); }
.benefits-strip {
  margin-top: 2.6rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  background: #fff7e8; border: 1px solid rgba(217,119,6,.3); border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
}
.benefits-strip div { display: flex; flex-direction: column; font-size: 1rem; color: var(--ink); }
.benefits-strip strong { color: var(--accent-dark); }
.benefits-strip span { font-size: .8rem; color: var(--steel); }

/* ============ Casos ============ */
.case-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.8rem; }
.case-tag {
  display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent-dark); background: #fef3c7; border-radius: 6px; padding: .25rem .6rem; margin-bottom: .9rem;
}
.case-card p { color: var(--steel); font-size: .95rem; margin: .5rem 0 1.1rem; }
.case-metric { border-top: 2px solid var(--accent); padding-top: .8rem; display: flex; flex-direction: column; }
.case-metric strong { font-family: var(--font-display); font-size: 1.9rem; color: var(--ink); }
.case-metric span { font-size: .82rem; color: var(--steel); }

/* ============ Cotizador ============ */
.section-quote { background: linear-gradient(180deg, #eef2f6, var(--bg)); }
.quote-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.2rem; }
.span-2 { grid-column: span 2; }
.field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: .75rem .9rem; border: 1.5px solid var(--line); border-radius: 10px;
  font-family: var(--font-body); font-size: .95rem; background: #fff; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,158,11,.18);
}
.field input.invalid, .field select.invalid { border-color: #dc2626; box-shadow: 0 0 0 3px rgba(220,38,38,.12); }

.seg-control { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.seg-control button {
  display: flex; flex-direction: column; align-items: center; gap: .1rem;
  padding: .65rem .4rem; border: 1.5px solid var(--line); background: #fff; border-radius: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: .88rem; color: var(--ink-2); cursor: pointer;
  transition: .15s;
}
.seg-control button small { font-weight: 400; font-size: .7rem; color: var(--steel); }
.seg-control button.active {
  border-color: var(--accent); background: #fffbeb; color: var(--accent-dark);
  box-shadow: 0 0 0 3px rgba(245,158,11,.15);
}

.preset-row { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-bottom: 1.2rem; }
.preset-row span { font-size: .82rem; color: var(--steel); font-weight: 600; }
.preset-row button {
  border: 1.5px solid var(--line); background: #fff; color: var(--ink-2); cursor: pointer;
  border-radius: 99px; padding: .5rem 1rem; min-height: 40px; font-family: var(--font-body); font-size: .82rem;
  font-weight: 600; transition: border-color .15s, background .15s, transform .15s;
}
.preset-row button:hover { border-color: var(--accent); background: #fffbeb; transform: translateY(-1px); }

.form-progress { height: 5px; background: var(--line); border-radius: 99px; margin-bottom: 1.4rem; overflow: hidden; }
.form-progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--safety)); border-radius: 99px; transition: width .3s ease; }

.form-err-msg { color: #b91c1c; font-size: .88rem; font-weight: 600; margin: .8rem 0 0; }

.live-volume {
  margin: 1.1rem 0; background: #eef6ff; border: 1px solid #bfdbfe; color: #1e40af;
  border-radius: 10px; padding: .6rem .9rem; font-size: .9rem;
}
#btnCalc { margin-top: 1.2rem; }
.form-note { text-align: center; font-size: .78rem; color: var(--steel); margin-top: .8rem; }

/* Result panel */
.quote-result { position: sticky; top: 88px; }
.result-empty {
  background: #fff; border: 2px dashed var(--line); border-radius: var(--radius);
  padding: 3rem 2rem; text-align: center; color: var(--steel);
}
.result-empty svg { margin: 0 auto 1rem; color: var(--steel); }
.result-empty-img { display: block; margin: 0 auto 1.1rem; width: 130px; filter: grayscale(100%); opacity: .45; }
.form-priv { font-size: .78rem; color: #94a3b8; margin-top: .6rem; text-align: center; }
.form-priv a { color: inherit; text-decoration: underline; }
.dev-credit { display: block; margin-top: .4rem; opacity: .75; }
.dev-credit a { color: inherit; text-decoration: underline; }

.result-card { background: var(--dark); color: #e6ebf1; border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 60px rgba(16,24,40,.3); animation: pop .35s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } }
.result-head { background: linear-gradient(135deg, var(--accent), var(--safety)); color: #221504; padding: 1.3rem 1.7rem; }
.result-head h3 { font-size: 1.5rem; }
.result-head p { font-size: .85rem; font-weight: 600; opacity: .85; }
.result-body { padding: 1.5rem 1.7rem; }

.result-model { display: flex; align-items: center; gap: 1.1rem; background: var(--dark-2); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 1rem 1.2rem; margin-bottom: 1.2rem; }
.result-model svg { color: var(--accent); flex-shrink: 0; }
.result-model-name { font-family: var(--font-display); font-size: 1.6rem; color: #fff; line-height: 1.1; }
.result-model-qty { font-size: .9rem; color: #9fadbc; }
.result-model-qty strong { color: var(--accent); font-size: 1.05rem; }

.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin-bottom: 1.2rem; }
.tech-item { background: rgba(255,255,255,.05); border-radius: 10px; padding: .65rem .85rem; }
.tech-item span { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: #8fa0b3; }
.tech-item strong { font-size: 1.05rem; color: #fff; font-variant-numeric: tabular-nums; }

.result-price { text-align: center; background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.3); border-radius: 12px; padding: 1.1rem; margin-bottom: 1.2rem; }
.result-price span { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 700; }
.result-price strong { display: block; font-family: var(--font-display); font-size: 2.3rem; color: #fff; }
.result-price small { color: #9fadbc; font-size: .78rem; }

.result-savings { display: flex; gap: .6rem; margin-bottom: 1.3rem; }
.result-savings div { flex: 1; background: rgba(22,163,74,.12); border: 1px solid rgba(22,163,74,.35); border-radius: 10px; padding: .7rem .9rem; text-align: center; }
.result-savings strong { display: block; color: #4ade80; font-size: 1.15rem; }
.result-savings span { font-size: .72rem; color: #9fadbc; }

.result-benefits { list-style: none; font-size: .88rem; color: #c3ced9; margin-bottom: 1.4rem; }
.result-benefits li { padding: .3rem 0; }
.result-benefits li::before { content: "✓ "; color: #4ade80; font-weight: 700; }

.result-cta-row { display: grid; gap: .6rem; }
.result-disclaimer { font-size: .72rem; color: #7c8b9b; margin-top: 1rem; text-align: center; }

/* ============ ROI compare (resultado) ============ */
.roi-compare { margin-bottom: 1.3rem; }
.roi-title { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: #8fa0b3; margin-bottom: .5rem; }
.roi-row { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: .7rem; margin-top: .45rem; font-size: .8rem; color: #9fadbc; }
.roi-fill {
  height: 28px; border-radius: 7px; display: flex; align-items: center; padding-inline: .6rem;
  font-weight: 700; font-size: .78rem; color: #fff; white-space: nowrap; min-width: fit-content;
  animation: grow .8s ease both;
}
@keyframes grow { from { width: 0; opacity: 0; } }
.roi-bad { background: linear-gradient(90deg, #7f1d1d, #dc2626); }
.roi-good { background: linear-gradient(90deg, #14532d, #16a34a); }

/* ============ Lead capture (resultado) ============ */
.lead-capture {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px; padding: 1rem 1.2rem; margin-bottom: 1.3rem;
}
.lead-capture > strong { font-size: .95rem; color: #fff; }
.lead-row { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin: .8rem 0; }
.lead-row input {
  padding: .65rem .8rem; border-radius: 8px; border: 1.5px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.07); color: #fff; font-family: var(--font-body); font-size: .9rem;
}
.lead-row input::placeholder { color: #7c8b9b; }
.lead-row input:focus { outline: none; border-color: var(--accent); }
.lead-row input.invalid { border-color: #f87171; }
.lead-ok { color: #4ade80; font-size: .9rem; font-weight: 600; margin-top: .6rem; }
.result-cta-pair { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }

/* ============ FAQ ============ */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.faq-item {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 0; overflow: hidden; height: fit-content;
}
.faq-item summary {
  list-style: none; cursor: pointer; padding: 1.2rem 1.5rem; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--font-display); font-size: 1.6rem; color: var(--accent-dark);
  line-height: 1; transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 1.5rem 1.3rem; color: var(--steel); font-size: .93rem; }
.faq-item[open] { border-color: var(--accent); }

/* ============ Reveal on scroll ============ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============ Impresión: solo el presupuesto ============ */
/* Membrete de impresión: invisible en pantalla */
.print-head { display: none; }

@media print {
  /* Solo cuando hay una cotización calculada se imprime únicamente la
     tarjeta; sin cotización, la página se imprime normal (nunca en blanco) */
  body.has-quote * { visibility: hidden; }
  body.has-quote #quoteResult, body.has-quote #quoteResult * { visibility: visible; }
  body.has-quote #quoteResult { position: absolute; top: 0; left: 0; width: 100%; }
  .lead-capture, .result-cta-row { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }

  /* Membrete de la hoja */
  .print-head { display: block; text-align: center; padding: 4px 0 14px; border-bottom: 2px solid var(--accent); margin-bottom: 16px; }
  .ph-brand, .ph-brand strong { font-family: "Cinzel", serif; font-weight: 800; font-size: 24pt; letter-spacing: .04em; color: var(--ink) !important; }
  .ph-sub { font-size: 10pt; color: var(--ink-2) !important; margin-top: 2px; }
  .ph-meta { font-size: 8.5pt; color: var(--steel) !important; margin-top: 6px; }
  /* Impresión con fondo blanco (pedido del cliente) */
  .result-card { background: #fff !important; color: var(--ink) !important; box-shadow: none; border: 1px solid #cbd5e1; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .result-head { background: #fff !important; color: var(--ink) !important; border-bottom: 3px solid var(--accent); }
  .result-model, .tech-item { background: #f1f5f9 !important; border-color: #e2e8f0 !important; }
  .result-model-name, .tech-item strong { color: var(--ink) !important; }
  .result-model-qty, .tech-item span, .roi-title, .result-disclaimer { color: var(--steel) !important; }
  .result-model-qty strong { color: var(--accent-dark) !important; }
  .result-savings div { background: #f0fdf4 !important; border-color: #bbf7d0 !important; }
  .result-savings strong { color: #15803d !important; }
  .result-savings span, .roi-row { color: var(--ink-2) !important; }
  .result-benefits { color: var(--ink-2) !important; }
}

/* ============ Contacto ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-sub { color: var(--steel); margin-top: .8rem; max-width: 460px; }
.contact-data { list-style: none; margin-top: 1.5rem; display: grid; gap: .6rem; color: var(--ink-2); }
.contact-form .field { margin-bottom: 1rem; }
.contact-form { color: var(--ink); }
.form-ok { margin-top: .9rem; color: var(--ok); font-weight: 600; font-size: .9rem; text-align: center; }
.form-err { color: #dc2626; }
.lead-ok.form-err { color: #f87171; }

/* ============ Footer ============ */
.footer { background: #0d1219; color: #7c8b9b; padding: 52px 0 28px; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2.5rem; align-items: start; }
.logo-footer, .logo-footer strong { color: #fff; } /* pedido del cliente: NOBABEN en un solo color */
.logo-footer { font-family: "Cinzel", serif; font-weight: 700; font-size: 1.35rem; letter-spacing: .03em; margin-bottom: .6rem; }
.footer-grid p { max-width: 300px; }
.footer-links, .footer-contact { display: grid; gap: .45rem; justify-items: start; }
.footer-links strong, .footer-contact strong {
  color: #e6ebf1; font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: .08em; font-size: .95rem; margin-bottom: .3rem;
}
.footer a { color: #9fadbc; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer .btn-whatsapp { margin-top: .5rem; padding: .55rem 1.1rem; font-size: .88rem; color: #06311a; }
.footer-bottom { margin-top: 2.2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.07); text-align: center; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; } }

/* ============ Burbuja flotante de WhatsApp ============ */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 95;
  width: 56px; height: 56px; border-radius: 50%; background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 26px rgba(37, 211, 102, .45);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 10px 32px rgba(37, 211, 102, .6); }
.wa-float svg { width: 30px; height: 30px; }

/* ============ Movimiento reducido y print ============ */
@media (prefers-reduced-motion: reduce) {
  .wind i, .scroll-cue span, .badge, .hero h1 em, .logo-blades, .turbine-belt,
  .trust-clients ul.marquee, .btn-primary::after,
  .hero-flow .stream, .flow-demo .air { animation: none !important; }
  .hero-visual { transform: none !important; }
  .flow-demo .air { opacity: .8; }
}
@media print {
  .wa-float, .floating-cta, .navbar, .scroll-cue { display: none !important; }
}

/* ============ Floating CTA ============ */
.floating-cta {
  position: fixed; bottom: 18px; left: calc(50% - 36px); transform: translateX(-50%) translateY(120px);
  background: linear-gradient(180deg, var(--accent), var(--accent-dark)); color: #1a1304;
  font-weight: 700; text-decoration: none; padding: .85rem 1.6rem; border-radius: 99px;
  box-shadow: 0 10px 30px rgba(245,158,11,.45); z-index: 90; transition: transform .3s ease;
}
.floating-cta.show { transform: translateX(-50%) translateY(0); }
@media (max-width: 980px) { .scroll-cue { display: none; } }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .extractor-svg { width: 220px; }
  .hero { padding-top: 110px; }
  .cards-3, .steps, .benefits-strip { grid-template-columns: 1fr 1fr; }
  .quote-layout, .contact-grid { grid-template-columns: 1fr; }
  .quote-result { position: static; }
  .hero-stats { grid-template-columns: repeat(2, auto); gap: 1.2rem 2.4rem; }
}
@media (max-width: 980px) and (min-width: 641px) {
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .faq-grid, .lead-row, .result-cta-pair { grid-template-columns: 1fr; }
  .roi-row { grid-template-columns: 1fr; gap: .25rem; }
  .nav-links {
    position: fixed; top: 68px; right: 0; left: 0; background: var(--dark-2);
    flex-direction: column; padding: 1.4rem; gap: 1.1rem; display: none;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .55rem 0; } /* target táctil ≥44px en el menú móvil */
  .hamburger { display: block; }
  .cards-3, .steps, .benefits-strip, .form-grid, .seg-control, .tech-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .section { padding: 60px 0; }
  .hero-ctas .btn { width: 100%; text-align: center; }
}
/* NOBABEN — Extractor eólico animado: estilos de apoyo.
   Pegar en css/styles.css (o cargar este archivo aparte). */

/* Deriva de las líneas de viento */
@keyframes nbxWind { to { stroke-dashoffset: -300; } }

/* Cabeceo por ráfaga del cabezal (±0,5° cada 9 s) */
@keyframes nbxSway {
  0%, 100% { transform: rotate(-.45deg); }
  38%      { transform: rotate(.5deg); }
  62%      { transform: rotate(.1deg); }
}
.nbx-sway { animation: nbxSway 9s ease-in-out infinite; }

/* Tamaño en el hero: mismo valor que el .extractor-svg actual */
.hero-visual .nbx-hero { width: min(360px, 80%); filter: drop-shadow(0 22px 40px rgba(28, 36, 48, .28)); }
@media (max-width: 900px) { .hero-visual .nbx-hero { width: 220px; } }

/* Escalas menores */
.nbx-card { width: 160px; }
.nbx-icon { width: 40px; }

@media (prefers-reduced-motion: reduce) {
  .nbx-sway { animation: none !important; }
  .nbx-hero svg path[style*="nbxWind"] { animation: none !important; }
}