/* ===== ENOVA — Sistema de diseño ===== */

@import url('https://fonts.googleapis.com/css2?family=Alice&family=Instrument+Serif:ital@0;1&family=Manrope:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
:root {
  /* Colors */
  --bg: #FAFAF7;
  --bg-alt: #F2F1EC;
  --paper: #F7FCEB;
  --ink: #313030;
  --ink-soft: #313030;
  --ink-mute: #6B6B65;
  --line: #313030;
  --line-soft: rgba(14,14,12,0.12);
  --green: #C3F52D;
  --green-deep: #143F23;
  --green-bright: #C3F52D;

  /* Type */
  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Manrope', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== Typography utilities ===== */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink-soft);
}

.eyebrow-dot::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: 2px;
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.95;
}

.display em {
  font-style: italic;
  color: var(--green);
}

/* ===== Layout ===== */
.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 720px) {
  .shell { padding: 0 20px; }
}

section { position: relative; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
  transition: background .3s ease, backdrop-filter .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(250,250,247,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}
.nav .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 14px;
}
.brand span {
  font-family: 'Alice', serif;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 50px;
  height: 50px;
  border-radius: 50%; /* mantiene la forma circular */
  overflow: hidden;   /* recorta la imagen dentro del círculo */
}
.nav-links {
  display: flex;
  gap: 36px;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  color: var(--ink-soft);
  transition: color .2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  height: 1px; width: 0;
  background: var(--green);
  transition: width .25s ease;
}
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background .2s, transform .2s;
}
.nav-cta:hover { background: var(--green); transform: translateY(-1px); }
.nav-cta .arrow { transition: transform .2s; }
.nav-cta:hover .arrow { transform: translate(2px, -2px); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* ===== HERO ===== */
.hero {
  padding: 140px 0 80px;
  position: relative;
  background: radial-gradient(circle at top right, rgba(195,245,45,0.45), transparent 60%);
}
/* Pantallas pequeñas (teléfono) */
@media (max-width: 768px) {
  .hero {
    background: radial-gradient(circle at top right,
      rgba(195,245,45,0.20) 10%,   /* verde muy tenue */
      var(--bg) 30%               /* se corta rápido */
    );
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: end;
}
.hero-title {
  font-size: clamp(56px, 8.5vw, 132px);
}
.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero-loc {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.hero-loc .pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
}
.hero-loc .pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--green);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.hero-lede {
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 460px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all .2s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover { background: var(--green); transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid var(--line-soft);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translate(3px, -3px); }

.hero-image {
  margin-top: 56px;
  position: relative;
  height: 70vh;
  min-height: 520px;
  max-height: 720px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-alt);
}
.hero-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-image .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,14,12,0.45));
}
.hero-image-meta {
  position: absolute;
  left: 32px; right: 32px; bottom: 28px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  color: white;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== Marquee ===== */
.marquee {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 24px 0;
  margin-top: 80px;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 56px;
  animation: scroll 40s linear infinite;
  font-family: var(--serif);
  font-size: 28px;
  font-style: italic;
  color: var(--ink-soft);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 56px; }
.marquee-track .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* ===== Section header ===== */
.section {
  padding: 120px 0;
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 72px;
}
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 76px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.section-head h2 em {
  font-style: italic;
  color: var(--green);
}
.section-head .lede {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 520px;
}

/* ===== Servicios ===== */
.services {
  background: var(--ink);
  color: var(--bg);
}
.services .eyebrow { color: rgba(250,250,247,0.55); }
.services .section-head h2 em { color: var(--green-bright); }
.services .lede { color: rgba(250,250,247,0.7); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(250,250,247,0.12);
}
.service {
  padding: 15px 15px 32px;
  border-right: 1px solid rgba(250,250,247,0.12);
  position: relative;
  transition: background .3s;
}
.service:last-child { border-right: none; }
.service:hover { background: rgba(250,250,247,0.03); }
.service:hover .service-arrow { transform: translate(4px, -4px); color: var(--green-bright); }
.service-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(250,250,247,0.4);
  margin-bottom: 25px;
}
.service-icon {
  width: 56px; height: 56px;
  border: 1px solid rgba(250,250,247,0.2);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 15px;
}
.service h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.05;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.service p {
  font-size: 14.5px;
  line-height: 1.55;
  color: rgba(250,250,247,0.65);
  margin-bottom: 16px;
}
.service-arrow {
  position: absolute;
  top: 40px; right: 32px;
  transition: transform .25s, color .25s;
  color: rgba(250,250,247,0.4);
}

@media (max-width: 880px) {
  .service-grid { grid-template-columns: 1fr; }
  .service { border-right: none; border-bottom: 1px solid rgba(250,250,247,0.12); }
}

/* ===== Proceso ===== */
.process {
  background: var(--bg);
}
.process-list {
  border-top: 1px solid var(--line-soft);
}
.process-row {
  display: grid;
  grid-template-columns: 80px 1fr 2fr 180px;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: center;
  transition: padding .3s ease;
  cursor: pointer;
}
.process-row:hover { padding-left: 16px; }
.process-row:hover .process-title { color: var(--green); }
.process-num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-mute);
}
.process-title {
  font-family: var(--serif);
  font-size: 32px;
  letter-spacing: -0.01em;
  transition: color .25s;
}
.process-desc {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
}
.process-time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-align: right;
  text-transform: uppercase;
}

@media (max-width: 880px) {
  .process-row { grid-template-columns: 50px 1fr; }
  .process-row > .process-desc, .process-row > .process-time { grid-column: 2; }
  .process-title { font-size: 22px; }
}

/* ===== Beneficios (impact) ===== */
.impact {
  background: var(--paper);
  position: relative;
  overflow: hidden
  padding-top: 20px;;
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.impact-card {
  padding: 36px 28px 32px;
  border: 1px solid var(--line-soft);
  background: var(--bg);
  border-radius: 4px;
  transition: transform .3s, box-shadow .3s;
}
.impact-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -24px rgba(14,14,12,0.18); }
.impact-card .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.impact-card .num {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--green-deep);
}
.impact-card .num .unit {
  font-size: 18px;
  color: var(--ink-mute);
  font-style: italic;
  margin-left: 6px;
}
.impact-card .desc {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

@media (max-width: 1080px) { .impact-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== Nuestra promesa (dentro de Impacto) ===== */
.promise {
  margin-top: 0px;
  padding-top: 0px;
  border-top: none;
}

.promise-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 76px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 32px;  
}

.promise-title em {
  font-style: italic;
  color: var(--green);
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.promise-card {
  display: flex;
  flex-direction: column;
}
.promise-img {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-alt);
  border: 1px solid var(--line-soft);
}
.promise-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.promise-caption {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 92%;
}

@media (max-width: 880px) {
  .promise { margin-top: 0px; padding-top: 0px; }
  .promise-grid { grid-template-columns: 1fr; }
}

/* ===== Proyectos ===== */
.projects {
  background: var(--bg);
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.project {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-alt);
  cursor: pointer;
  transition: transform .4s ease;
}
.project:hover { transform: translateY(-4px); }
.project:hover .project-img { transform: scale(1.04); }
.project-img-wrap {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: linear-gradient(135deg, var(--paper), var(--bg-alt));
  position: relative;
}
.project.wide .project-img-wrap { aspect-ratio: 16 / 11; }
.project-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.project-info {
  padding: 20px 4px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.project-info h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 24px;
  letter-spacing: -0.01em;
}
.project-info .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  white-space: nowrap;
}
.project-tag {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(250,250,247,0.92);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.project.span-7 { grid-column: span 7; }
.project.span-5 { grid-column: span 5; }
.project.span-4 { grid-column: span 4; }
.project.span-8 { grid-column: span 8; }

@media (max-width: 880px) {
  .project-grid > * { grid-column: span 12 !important; }
}

/* ===== Calculadora ===== */
.calc {
  background: var(--ink);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}
.calc::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(195,245,45,0.45), transparent 60%);
  pointer-events: none;
}
.calc .eyebrow { color: rgba(250,250,247,0.55); }
.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.calc-form {
  background: rgba(250,250,247,0.04);
  border: 1px solid rgba(250,250,247,0.12);
  border-radius: 6px;
  padding: 40px;
}
.calc-row {
  margin-bottom: 28px;
}
.calc-row:last-child { margin-bottom: 0; }
.calc-row label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.6);
  margin-bottom: 14px;
}
.calc-row label .val {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--green-bright);
  letter-spacing: 0.04em;
}
.calc-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  background: rgba(250,250,247,0.18);
  border-radius: 2px;
  outline: none;
}
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--green-bright);
  border: 3px solid var(--ink);
  cursor: pointer;
  transition: transform .2s;
}
.calc-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.calc-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--green-bright);
  border: 3px solid var(--ink);
  cursor: pointer;
}

.seg {
  display: flex;
  background: rgba(250,250,247,0.04);
  border: 1px solid rgba(250,250,247,0.12);
  border-radius: 999px;
  padding: 4px;
  width: fit-content;
}
.seg button {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(250,250,247,0.7);
  transition: all .2s;
}
.seg button.active {
  background: var(--bg);
  color: var(--ink);
}

.calc-results {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.calc-stat {
  border-bottom: 1px solid rgba(250,250,247,0.1);
  padding-bottom: 24px;
}
.calc-stat:last-child { border-bottom: none; }
.calc-stat .stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.55);
  margin-bottom: 12px;
}
.calc-stat .stat-val {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.calc-stat .stat-val em {
  font-style: italic;
  color: var(--green-bright);
}
.calc-stat .stat-sub {
  font-size: 14px;
  color: rgba(250,250,247,0.65);
  margin-top: 8px;
}

@media (max-width: 1080px) {
  .calc-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ===== Sobre ===== */
.about {
  background: var(--bg);
  position: relative;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-img {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 4px;
  background: var(--bg-alt);
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-text h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.about-text h2 em { font-style: italic; color: var(--green); }
.about-text p {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 520px;
}
.about-stats {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-stat .num {
  font-family: var(--serif);
  font-size: 44px;
  letter-spacing: -0.02em;
  color: var(--green);
  line-height: 1;
  margin-bottom: 6px;
}
.about-stat .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ===== CTA ===== */
.cta-final {
  background: var(--paper);
  padding: 140px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 9vw, 144px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  max-width: 1100px;
  margin: 0 auto 48px;
}
.cta-final h2 em { font-style: italic; color: var(--green); }
.cta-final .btn-primary {
  font-size: 15px;
  padding: 18px 28px;
}

/* ===== Footer ===== */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(250,250,247,0.12);
}
.footer h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.5);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 14px;
  color: rgba(250,250,247,0.85);
  margin-bottom: 10px;
  transition: color .2s;
}
.footer-col a:hover { color: var(--green-bright); }
.footer-brand p {
  font-family: var(--serif);
  font-size: 28px;
  font-style: italic;
  line-height: 1.1;
  margin-top: 20px;
  max-width: 380px;
  color: rgba(250,250,247,0.85);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.45);
}

@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ===== Helpers / mobile ===== */
@media (max-width: 880px) {
  .hero { padding: 110px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 80px 0; }
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 40px; }
  .impact-card .num { font-size: 48px; }
  .calc-stat .stat-val { font-size: 48px; }
  .calc-form { padding: 24px; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ===== Color de selección de texto ===== */
::selection {
  background: #C3F52D;   /* el sombreado verde de tu marca */
  color: #313030;        /* el texto se verá gris oscuro */
}

/* Para navegadores WebKit (Safari, Chrome antiguos) */
::-moz-selection {
  background: #C3F52D;
  color: #313030;
}
/* ===== Botón scroll-to-top ===== */
#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;

  width: 48px;
  height: 48px;

  background: var(--green);
  color: var(--ink);

  border-radius: 50%;
  border: none;

  font-size: 24px;
  cursor: pointer;

  box-shadow: 0 10px 30px rgba(0,0,0,.12);

  opacity: 0;
  visibility: hidden;

  transform: translateY(12px);

  transition:
    opacity .55s ease,
    transform .55s ease,
    visibility .55s ease;

  z-index: 999;
}

#scrollTopBtn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#scrollTopBtn:hover {
  transform: translateY(-2px);
}

/* ===== Modal de captación de leads ===== */
.lead-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(20,20,18,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 24px 40px;
  overflow-y: auto;
  animation: leadFadeIn .2s ease;
}
@keyframes leadFadeIn { from { opacity: 0; } to { opacity: 1; } }

.lead-modal {
  position: relative;
  background: var(--bg);
  color: var(--ink);
  width: 100%;
  max-width: 630px;
  border-radius: 14px;
  padding: 44px;
  box-shadow: 0 32px 64px -24px rgba(0,0,0,0.35);
  animation: leadPop .25s cubic-bezier(.2,.8,.3,1);
}
@keyframes leadPop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }

.lead-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink-mute);
  font-size: 17px;
  transition: background .2s, color .2s;
}
.lead-close:hover { background: var(--bg-alt); color: var(--ink); }

.lead-head { margin-bottom: 28px; }
.lead-head h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 34px;
  letter-spacing: -0.01em;
  margin: 10px 0 8px;
}
.lead-head p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.lead-form { display: flex; flex-direction: column; gap: 20px; }
.lead-row { display: flex; flex-direction: column; gap: 8px; }
.lead-row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.lead-row label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.lead-row input {
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--bg-alt);
  color: var(--ink);
  outline: none;
  transition: border-color .2s, background .2s;
}
.lead-row input:focus { border-color: var(--ink); background: var(--bg); }
.lead-row input::placeholder { color: var(--ink-mute); }

.lead-seg { background: var(--bg-alt); border-color: var(--line-soft); }
.lead-seg button { color: var(--ink-soft); }
.lead-seg button.active { background: var(--ink); color: var(--bg); }

.lead-error {
  font-size: 12px;
  color: #B0271C;
}
.lead-error-banner {
  font-size: 13px;
  color: #B0271C;
  background: rgba(176,39,28,0.08);
  border: 1px solid rgba(176,39,28,0.2);
  border-radius: 8px;
  padding: 10px 14px;
}

.lead-file {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.lead-file-input {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.lead-file-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  color: var(--ink);
}
.lead-file-btn:hover { border-color: var(--ink); background: var(--bg-alt); }
.lead-file-input:focus-visible + .lead-file-btn,
.lead-file-btn:has(+ .lead-file-name) { border-color: var(--ink); }

.lead-file-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--bg-alt);
  border-radius: 999px;
  padding: 8px 8px 8px 14px;
  max-width: 220px;
}
.lead-file-name span,
.lead-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lead-file-remove {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink-mute);
  font-size: 10px;
  background: var(--bg);
}
.lead-file-remove:hover { color: var(--ink); }

.lead-hint {
  font-size: 12px;
  color: var(--ink-mute);
}

.lead-submit { width: 100%; justify-content: center; margin-top: 4px; }
.lead-submit:disabled { opacity: 0.6; cursor: default; }

.lead-success {
  text-align: center;
  padding: 24px 8px 8px;
}
.lead-success-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--green);
  color: var(--ink);
  font-size: 24px;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
}
.lead-success h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  margin-bottom: 10px;
}
.lead-success p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-bottom: 24px;
}

@media (max-width: 560px) {

  .lead-overlay {
    padding: 70px 16px 90px;
    align-items: flex-start;
  }

  .lead-modal {
    padding: 28px 20px;
  }

  .lead-row-group {
    grid-template-columns: 1fr;
  }

  .lead-head h3 {
    font-size: 28px;
  }
}
.no-wrap {
  white-space: nowrap;
}