/* =========================================================
   MARXE — Sistema visual
   Negro tinta / Blanco / Lima eléctrico / Gris humo
   ========================================================= */

:root {
  --negro: #0E0E10;
  --blanco: #FFFFFF;
  --lima: #C8F751;
  --lima-oscuro: #5C7A1C;
  --gris: #6B6F76;
  --gris-claro: #E7E7E9;
  --gris-fondo: #F5F5F3;

  --font-titular: "Archivo", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --nav-h: 72px;
  --radius: 14px;
  --ease: cubic-bezier(.16,.8,.24,1);
  --max-w: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--blanco);
  color: var(--negro);
  font-family: var(--font-titular);
  font-weight: 400;
  line-height: 1.5;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
svg { display: block; }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}
@media (min-width: 768px) { .container { padding-inline: 40px; } }

section { position: relative; }

.section-pad { padding-block: 88px; }
@media (max-width: 767px) { .section-pad { padding-block: 64px; } }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gris);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lima-oscuro);
  flex-shrink: 0;
}
.on-dark .eyebrow::before { background: var(--lima); }

h2.section-title {
  font-size: clamp(1.9rem, 4.4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.12;
  max-width: 22ch;
}

.section-lead {
  color: var(--gris);
  font-size: 1.05rem;
  max-width: 52ch;
  margin-top: 14px;
}

.on-dark { background: var(--negro); color: var(--blanco); }
.on-dark .section-lead { color: #A8ABB1; }

/* ---------- Lima: solo dato/CTA ---------- */
.lima-dark { color: var(--lima); }
.lima-light { color: var(--lima-oscuro); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-lima {
  background: var(--lima);
  color: var(--negro);
}
.btn-lima:hover {
  box-shadow: 0 0 0 4px rgba(200,247,81,0.22);
  transform: translateY(-1px);
}

.btn-outline-dark {
  border-color: rgba(255,255,255,0.28);
  color: var(--blanco);
  background: transparent;
}
.btn-outline-dark:hover { border-color: var(--lima); color: var(--lima); }

.btn-outline-light {
  border-color: rgba(14,14,16,0.18);
  color: var(--negro);
  background: transparent;
}
.btn-outline-light:hover { border-color: var(--lima-oscuro); color: var(--lima-oscuro); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(14,14,16,0.86);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@supports not (backdrop-filter: blur(1px)) {
  .site-header { background: rgba(14,14,16,0.98); }
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand svg { width: 30px; height: 30px; flex-shrink: 0; }
.brand-word {
  font-family: var(--font-titular);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.24em;
  color: var(--blanco);
}

.nav-desktop {
  display: none;
}
@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 36px;
  }
}
.nav-links {
  display: flex;
  gap: 30px;
}
.nav-links a {
  font-size: 0.92rem;
  color: #C9CBCF;
  transition: color 0.2s var(--ease);
  position: relative;
}
.nav-links a:hover { color: var(--blanco); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--lima);
  transition: width 0.25s var(--ease);
}
.nav-links a:hover::after { width: 100%; }

.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  background: none;
  border: none;
  padding: 0;
}
@media (min-width: 900px) { .burger { display: none; } }
.burger span {
  width: 22px;
  height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  bottom: 0;
  background: var(--negro);
  z-index: 99;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}
.mobile-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
@media (min-width: 900px) { .mobile-menu { display: none; } }
.mobile-menu a {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--blanco);
  padding: 16px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu .btn { margin-top: 24px; align-self: flex-start; }

/* ---------- Hero ---------- */
.hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 72px;
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: clip;
}
.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(200,247,81,0.14), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lima);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--lima); }

.hero-title {
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 16ch;
}
.hero-title .accent { color: var(--lima); }

.hero-sub {
  margin-top: 26px;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #C4C7CC;
  max-width: 46ch;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-metrics {
  margin-top: 68px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 32px;
}
@media (min-width: 640px) {
  .hero-metrics { grid-template-columns: repeat(3, 1fr); }
}
.metric-value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  color: var(--lima);
  font-weight: 500;
}
.metric-label {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--gris);
  max-width: 26ch;
}
.hero-note {
  margin-top: 14px;
  font-size: 0.76rem;
  color: #6B6F76;
}

/* ---------- Servicios ---------- */
.services-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 860px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}

.service-card {
  border: 1px solid var(--gris-claro);
  border-radius: var(--radius);
  padding: 36px 30px;
  background: var(--blanco);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.service-card:hover {
  border-color: var(--negro);
  box-shadow: 0 20px 40px -24px rgba(14,14,16,0.25);
  transform: translateY(-4px);
}
.service-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gris);
}
.service-card h3 {
  margin-top: 16px;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.service-card .service-desc {
  margin-top: 12px;
  color: var(--gris);
  font-size: 0.98rem;
}
.service-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}
.service-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.94rem;
  line-height: 1.4;
}
.service-list .tick {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}
.service-impact {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--gris-claro);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--lima-oscuro);
}

/* ---------- Cómo funciona ---------- */
.steps-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 860px) {
  .steps-grid { grid-template-columns: repeat(4, 1fr); }
}
.step {
  padding: 28px 20px 28px 0;
  border-top: 1px solid var(--gris-claro);
}
@media (min-width: 860px) {
  .step {
    border-top: none;
    border-left: 1px solid var(--gris-claro);
    padding: 4px 24px;
  }
  .step:first-child { padding-left: 0; }
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--lima-oscuro);
}
.step h3 {
  margin-top: 14px;
  font-size: 1.1rem;
  font-weight: 600;
}
.step p {
  margin-top: 10px;
  color: var(--gris);
  font-size: 0.92rem;
}

/* ---------- Garantía ---------- */
.guarantee {
  background: var(--negro);
  color: var(--blanco);
  padding-block: 76px;
  text-align: center;
}
.guarantee-inner {
  max-width: 780px;
  margin-inline: auto;
}
.guarantee-title {
  font-size: clamp(1.7rem, 4.6vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.guarantee-title .amt { color: var(--lima); }
.guarantee-sub {
  margin-top: 20px;
  color: #A8ABB1;
  font-size: 1.02rem;
  max-width: 56ch;
  margin-inline: auto;
}
.guarantee-tag {
  margin-top: 26px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 8px 16px;
}

/* ---------- Para quién ---------- */
.who-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 700px) {
  .who-grid { grid-template-columns: repeat(3, 1fr); }
}
.who-card {
  border: 1px solid var(--gris-claro);
  border-radius: var(--radius);
  padding: 26px;
}
.who-card svg { width: 30px; height: 30px; }
.who-card h3 {
  margin-top: 16px;
  font-size: 1.1rem;
  font-weight: 600;
}
.who-card p {
  margin-top: 8px;
  color: var(--gris);
  font-size: 0.92rem;
}

.who-note {
  margin-top: 40px;
  border-radius: var(--radius);
  background: var(--gris-fondo);
  padding: 26px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.who-note svg { flex-shrink: 0; width: 24px; height: 24px; margin-top: 2px; }
.who-note p { font-size: 0.98rem; }
.who-note strong { color: var(--lima-oscuro); }

/* ---------- Nosotros ---------- */
.team-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 700px) {
  .team-grid { grid-template-columns: 1fr 1fr; }
}
.team-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.avatar {
  flex-shrink: 0;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--negro);
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar svg { width: 34px; height: 34px; }
.team-card h3 { font-size: 1.15rem; font-weight: 600; }
.team-role {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--lima-oscuro);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.team-card p.bio {
  margin-top: 12px;
  color: var(--gris);
  font-size: 0.92rem;
}

/* ---------- Contacto ---------- */
.contact-section { background: var(--negro); color: var(--blanco); }
.contact-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; }
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-item svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 3px; color: var(--lima); }
.contact-item a, .contact-item span { color: #D3D5D9; font-size: 0.98rem; }
.contact-item a:hover { color: var(--lima); }
.contact-item .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 4px;
}

.form-card {
  background: #17171A;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.82rem;
  color: #A8ABB1;
  margin-bottom: 7px;
}
.field input, .field textarea {
  width: 100%;
  background: #0E0E10;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--blanco);
  font-family: var(--font-titular);
  font-size: 0.96rem;
  transition: border-color 0.2s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--lima);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 520px) {
  .form-row { grid-template-columns: 1fr 1fr; gap: 16px; }
}

.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
}
.form-alt {
  font-size: 0.86rem;
  color: var(--gris);
}
.form-alt a { color: var(--lima); }

.form-status {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  padding: 10px 14px;
  border-radius: 8px;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.ok { background: rgba(200,247,81,0.12); color: var(--lima); }
.form-status.err { background: rgba(255,90,90,0.12); color: #ff8a8a; }

.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--negro);
  color: var(--blanco);
  padding-top: 56px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
@media (min-width: 780px) {
  .footer-top { grid-template-columns: 1.2fr 1fr 1fr; }
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p {
  color: var(--gris);
  font-size: 0.9rem;
  max-width: 32ch;
}
.footer-tag {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--lima);
}
.footer-col h4 {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: #C9CBCF; font-size: 0.92rem; }
.footer-col a:hover { color: var(--lima); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--gris);
}
.footer-bottom .legal-links { display: flex; gap: 18px; }
.footer-bottom a:hover { color: var(--blanco); }

/* ---------- Legal pages (anchors) ---------- */
.legal-page {
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 80px;
  display: none;
}
.legal-page.is-open { display: block; }
.legal-page h1 { font-size: 2rem; font-weight: 600; margin-bottom: 24px; }
.legal-page h2 { font-size: 1.2rem; font-weight: 600; margin-top: 32px; margin-bottom: 10px; }
.legal-page p, .legal-page li { color: var(--gris); font-size: 0.96rem; line-height: 1.7; }
.legal-page ul { padding-left: 20px; list-style: disc; }
.legal-page a { color: var(--lima-oscuro); text-decoration: underline; }
.legal-back { margin-top: 40px; display: inline-block; }

body.legal-active .main-site { display: none; }
body.legal-active .legal-page { display: block; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--lima);
  color: var(--negro);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }