/* Paleta negro/blanco + verde neón */
:root {
  --bg-dark: #030712;
  --bg-darker: #000000;
  --bg-light: #f9fafb;
  --bg-muted: #0b1120;

  --text-light: #f9fafb;
  --text-dark: #020617;
  --muted: #9ca3af;

  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.12);

  --border-soft: rgba(148, 163, 184, 0.4);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;

  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #020617, #000000);
  color: var(--text-light);
  line-height: 1.5;
}

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

a:hover {
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #022c22;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(34, 197, 94, 0.4);
}

.btn-outline {
  border-color: var(--border-soft);
  color: var(--text-light);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
}

.wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* NAVBAR */

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(3, 7, 18, 0.96), rgba(3, 7, 18, 0.7));
  border-bottom: 1px solid rgba(15, 23, 42, 0.7);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.nav-menu {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
  flex: 1;
}

.nav-menu a {
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.15s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-spacer {
  flex: 1;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* HERO HOME */

.hero {
  padding: 3rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.hero-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 3.4vw, 3.4rem);
  margin: 0 0 1rem;
}

.hero p {
  color: var(--muted);
  max-width: 34rem;
  margin: 0 0 1.4rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.badge {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  font-size: 0.8rem;
  color: var(--muted);
}

.badge-accent {
  border-color: rgba(34, 197, 94, 0.6);
  background: var(--accent-soft);
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* VISUAL POS */

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.pos-card {
  width: 260px;
  height: 420px;
  border-radius: 1.8rem;
  background: radial-gradient(circle at top, #22c55e, #0b1120);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.8);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.pos-screen {
  background: radial-gradient(circle at top left, #22c55e, #020617);
  border-radius: 1.2rem;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pos-amount {
  font-size: 1.4rem;
  font-weight: 600;
}

.pos-label {
  font-size: 0.85rem;
  color: #bbf7d0;
}

.pos-body {
  height: 180px;
  border-radius: 1.3rem;
  border: 1px dashed rgba(148, 163, 184, 0.5);
}

.currency-icon {
  position: absolute;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--accent-soft);
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: var(--accent);
  backdrop-filter: blur(10px);
}

.currency-icon.usd {
  top: 15%;
  right: 8%;
}

.currency-icon.usd2 {
  bottom: 15%;
  left: -3%;
}

.currency-icon.btc {
  top: 5%;
  left: 10%;
}

/* SECCIONES */

.section {
  padding: 3rem 0;
}

.section-header {
  margin-bottom: 1.75rem;
}

.section-title {
  font-size: 1.8rem;
  margin: 0 0 0.75rem;
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}

.section--light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section--light .section-subtitle {
  color: #4b5563;
}

.section--dark {
  background: var(--bg-muted);
}

.section--contrast {
  background: var(--bg-darker);
}

/* GRID */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

/* CARDS */

.card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  padding: 1.4rem 1.5rem;
  background: rgba(15, 23, 42, 0.8);
}

.section--light .card {
  background: #ffffff;
  border-color: #e5e7eb;
}

/* COMISIONES */

.fees-highlight {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(34, 197, 94, 0.5);
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.09), #020617);
  padding: 1.8rem 1.7rem;
  max-width: 32rem;
}

.fees-big {
  display: inline-block;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

/* FORMULARIOS */

.form {
  max-width: 640px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.75rem 1.75rem 1.9rem;
  background: rgba(15, 23, 42, 0.9);
}

.section--light .form {
  background: #ffffff;
  border-color: #e5e7eb;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem 1.25rem;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

.section--light label {
  color: #4b5563;
}

input,
textarea {
  margin-top: 0.35rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 0.6rem 0.75rem;
  background: #020617;
  color: var(--text-light);
  font: inherit;
}

.section--light input,
.section--light textarea {
  background: #f9fafb;
  color: var(--text-dark);
  border-color: #d1d5db;
}

input:focus,
textarea:focus {
  outline: 1px solid var(--accent);
}

.form-status {
  font-size: 0.82rem;
  margin-top: 0.75rem;
  color: var(--muted);
}

/* FAQ */

.faq-list {
  max-width: 720px;
}

.faq-item + .faq-item {
  margin-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding-top: 1rem;
}

.faq-question {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.faq-answer {
  color: var(--muted);
}

/* FOOTER */

.footer {
  border-top: 1px solid rgba(15, 23, 42, 0.7);
  padding: 1.75rem 0 2.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
}

/* RESPONSIVE */

@media (max-width: 840px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    order: -1;
  }

  .nav-menu {
    display: none;
  }

  .nav-spacer {
    display: none;
  }
}