/* ============================================================
   MF Tech AR — hoja de estilos
   Identidad: aurora (turquesa + violeta) sobre azul profundo.
   Sin dependencias externas: funciona offline y carga rápido.
   ============================================================ */

:root {
  --bg: #061826;
  --bg-2: #0b2437;
  --bg-3: #0a1f31;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.075);
  --line: rgba(255, 255, 255, 0.12);
  --txt: #eaf4fa;
  --txt-soft: #b6cfdd;
  --txt-dim: #8faab9;
  --turq: #40e0d0;
  --violet: #7a5cff;
  --grad: linear-gradient(96deg, #40e0d0 0%, #7a5cff 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --header-h: 74px;
  --font: Bahnschrift, "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--txt);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Fondo global con orbes suaves */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 700px at 82% -10%, rgba(64, 224, 208, 0.16), transparent 60%),
    radial-gradient(900px 700px at 6% 108%, rgba(122, 92, 255, 0.18), transparent 55%),
    linear-gradient(165deg, #071c2c 0%, #0b2437 45%, #061826 100%);
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 0.4em; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  width: min(1180px, 100% - 44px);
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--turq);
  color: #04222b;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  font-weight: 700;
  z-index: 100;
}
.skip:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(6, 24, 38, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(6, 24, 38, 0.9);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 1.18rem;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.brand-text { color: #fff; }
.brand-text b { color: var(--turq); font-weight: 700; }
.brand-logo { border-radius: 11px; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav > a:not(.btn) {
  text-decoration: none;
  color: var(--txt-soft);
  font-size: 0.98rem;
  padding: 8px 2px;
  position: relative;
  transition: color 0.2s ease;
}
.nav > a:not(.btn):hover { color: #fff; }
.nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
  transition: right 0.25s ease;
}
.nav > a:not(.btn):hover::after { right: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.995); }
.btn-primary {
  background: var(--grad);
  color: #062033;
  box-shadow: 0 14px 34px rgba(64, 224, 208, 0.25);
}
.btn-primary:hover { box-shadow: 0 18px 44px rgba(122, 92, 255, 0.32); transform: translateY(-1px); }
.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--txt);
}
.btn-ghost:hover { background: var(--surface-2); border-color: rgba(255, 255, 255, 0.24); }
.btn-small { padding: 10px 18px; font-size: 0.92rem; }
.btn-lg { padding: 16px 28px; font-size: 1.05rem; }
.ico { width: 19px; height: 19px; }

/* Menú mobile */
.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--txt);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(48px, 7vw, 96px) 0 clamp(40px, 6vw, 84px);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}
.orb-a {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(64, 224, 208, 0.5), transparent 65%);
  top: -180px; right: -80px;
  animation: float 14s ease-in-out infinite;
}
.orb-b {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(122, 92, 255, 0.45), transparent 65%);
  bottom: -220px; left: -140px;
  animation: float 18s ease-in-out infinite reverse;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 30%, transparent 75%);
}
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-18px, 22px, 0); }
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--turq);
  font-weight: 700;
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(2.15rem, 4.6vw, 3.7rem);
  font-weight: 700;
  margin-bottom: 18px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: clamp(1.02rem, 1.4vw, 1.16rem);
  color: var(--txt-soft);
  max-width: 56ch;
  font-weight: 300;
}
.lead strong { color: #fff; font-weight: 600; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 22px;
}
.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.9rem;
  color: var(--txt-dim);
}
.trust li {
  position: relative;
  padding-left: 20px;
}
.trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 9px;
  translate: 0 -50%;
  border-radius: 50%;
  background: var(--turq);
  box-shadow: 0 0 12px rgba(64, 224, 208, 0.7);
}

/* Tarjeta "panel" del hero */
.hero-card { perspective: 1200px; }
.mock-window {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: rotateY(-6deg) rotateX(3deg);
  transition: transform 0.5s ease;
}
.hero-card:hover .mock-window { transform: rotateY(0) rotateX(0); }
.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 16, 26, 0.5);
}
.mock-bar i {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}
.mock-bar i:nth-child(1) { background: #ff6b6b; }
.mock-bar i:nth-child(2) { background: #ffd166; }
.mock-bar i:nth-child(3) { background: #40e0d0; }
.mock-bar span {
  margin-left: 8px;
  font-size: 0.78rem;
  color: var(--txt-dim);
  letter-spacing: 0.02em;
}
.mock-body { padding: 20px 20px 18px; }
.mock-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--txt-dim);
  margin-bottom: 14px;
}
.mock-stat {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.95rem;
  color: var(--txt-soft);
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}
.mock-stat b { margin-left: auto; color: #fff; font-weight: 600; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.dot.ok { background: #35e0a1; box-shadow: 0 0 10px rgba(53, 224, 161, 0.8); }
.dot.warn { background: #ffd166; box-shadow: 0 0 10px rgba(255, 209, 102, 0.7); }
.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 96px;
  margin: 18px 0 10px;
}
.mock-chart span {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, rgba(64, 224, 208, 0.9), rgba(122, 92, 255, 0.65));
  transform-origin: bottom;
  animation: grow 1.6s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.mock-chart span:nth-child(2n) { animation-delay: 0.12s; }
.mock-chart span:nth-child(3n) { animation-delay: 0.24s; }
@keyframes grow { from { transform: scaleY(0.15); opacity: 0.3; } to { transform: scaleY(1); opacity: 1; } }
.mock-foot { font-size: 0.8rem; color: var(--txt-dim); text-align: center; }

/* ---------- Secciones ---------- */
.section {
  padding: clamp(54px, 7vw, 96px) 0;
}
.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 70%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.section-head {
  max-width: 720px;
  margin-bottom: clamp(28px, 4vw, 46px);
}
.section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  font-weight: 700;
}
.section-sub { color: var(--txt-soft); font-weight: 300; margin: 0; }

/* Servicios */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px 160px at 20% 0%, rgba(64, 224, 208, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(64, 224, 208, 0.35);
  background: var(--surface-2);
}
.card:hover::after { opacity: 1; }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--txt-soft); font-size: 0.96rem; font-weight: 300; margin: 0; }
.card-ico {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.card-ico svg { width: 26px; height: 26px; }
.ico-cam { color: #40e0d0; background: rgba(64, 224, 208, 0.1); }
.ico-pc { color: #7ab8ff; background: rgba(122, 184, 255, 0.1); }
.ico-backup { color: #ffd166; background: rgba(255, 209, 102, 0.1); }
.ico-net { color: #a78bfa; background: rgba(167, 139, 250, 0.12); }
.ico-shield { color: #35e0a1; background: rgba(53, 224, 161, 0.1); }
.ico-ai { color: #ff9ad5; background: rgba(255, 154, 213, 0.1); }

/* Pasos */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  counter-reset: pasos;
}
.steps li {
  position: relative;
  padding: 24px 20px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
}
.step-n {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--grad);
  color: #062033;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 12px;
}
.steps h3 { font-size: 1.02rem; margin-bottom: 6px; }
.steps p { color: var(--txt-soft); font-size: 0.92rem; font-weight: 300; margin: 0; }

/* Nosotros */
.about {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}
.about-copy h2 { font-size: clamp(1.65rem, 3vw, 2.3rem); }
.about-copy p { color: var(--txt-soft); font-weight: 300; max-width: 60ch; }
.about-copy strong { color: #fff; font-weight: 600; }
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}
.chips li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 15px;
  font-size: 0.86rem;
  color: var(--txt-soft);
  background: var(--surface);
}
.about-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(64, 224, 208, 0.12), rgba(122, 92, 255, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow);
}
.avatar {
  width: 84px;
  height: 84px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #052030;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 30px rgba(64, 224, 208, 0.3);
}
.about-role {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--txt-dim);
  margin: 0 0 2px;
}
.about-name { font-size: 1.2rem; font-weight: 700; margin: 0 0 12px; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--turq);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.94rem;
}
.link-arrow svg { width: 17px; height: 17px; transition: transform 0.2s ease; }
.link-arrow:hover svg { transform: translateX(3px); }

/* Redes */
.socials.big {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
}
.socials.big a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--txt-soft);
  transition: transform 0.22s ease, color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  font-size: 0.86rem;
}
.socials.big a:hover {
  transform: translateY(-4px);
  color: #fff;
  border-color: rgba(64, 224, 208, 0.45);
  background: var(--surface-2);
}
.socials.big svg { width: 26px; height: 26px; }

/* Contacto */
.contact-card {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(30px, 5vw, 52px);
  border-radius: 26px;
  background:
    radial-gradient(700px 300px at 85% 0%, rgba(64, 224, 208, 0.16), transparent 65%),
    radial-gradient(600px 300px at 8% 110%, rgba(122, 92, 255, 0.2), transparent 60%),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}
.contact-copy h2 { font-size: clamp(1.7rem, 3.2vw, 2.45rem); }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 14px;
}
.contact-note { font-size: 0.88rem; color: var(--txt-dim); margin: 0; }
.contact-side { display: flex; flex-direction: column; gap: 18px; justify-content: center; }
.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(53, 224, 161, 0.1);
  border: 1px solid rgba(53, 224, 161, 0.35);
  color: #9ff0cf;
  font-size: 0.88rem;
}
.pulse {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #35e0a1;
  box-shadow: 0 0 0 0 rgba(53, 224, 161, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(53, 224, 161, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(53, 224, 161, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 224, 161, 0); }
}
.contact-list { display: grid; gap: 12px; }
.contact-list li {
  display: flex;
  flex-direction: column;
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--line);
}
.contact-list b {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--txt-dim);
  font-weight: 700;
}
.contact-list span { color: #fff; font-size: 0.98rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0 26px;
  background: rgba(4, 16, 26, 0.5);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 22px 30px;
  align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-name { margin: 0; font-weight: 700; letter-spacing: 0.2px; }
.footer-name b { color: var(--turq); }
.footer-tag { margin: 0; font-size: 0.85rem; color: var(--txt-dim); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.9rem;
}
.footer-nav a { color: var(--txt-soft); text-decoration: none; }
.footer-nav a:hover { color: #fff; }
.footer-social { display: flex; gap: 8px; }
.footer-social a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--txt-soft);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.footer-social a:hover { color: #fff; border-color: rgba(64, 224, 208, 0.45); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }
.footer-copy {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: var(--txt-dim);
}

/* Botón flotante de WhatsApp (mobile) */
.wa-float {
  position: fixed;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 55;
  width: 54px;
  height: 54px;
  display: none;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #04231a;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.96);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.wa-float svg { width: 27px; height: 27px; }
.wa-float.show { opacity: 1; visibility: visible; transform: none; }
.wa-float:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 16px 38px rgba(37, 211, 102, 0.5); }

/* Animaciones de aparición */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .orb, .mock-chart span { animation: none; }
  .pulse { animation: none; }
}

/* Foco visible */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--turq);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .socials.big { grid-template-columns: repeat(4, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { max-width: 520px; }
  .about { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-social { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
  .menu-btn { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 22px 22px;
    background: #071c2c;
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 18px 18px;
    box-shadow: 0 28px 50px rgba(0, 0, 0, 0.55);
    transform: translateY(-10px);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.22s ease, visibility 0.22s ease;
  }
  .nav.open { transform: none; visibility: visible; pointer-events: auto; }
  .nav > a:not(.btn) { padding: 12px 4px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .nav .btn { margin-top: 10px; justify-content: center; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .socials.big { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 34px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .wa-float { display: grid; }
  .about-card { flex-direction: column; text-align: center; align-items: center; }
  .about-card .link-arrow { justify-content: center; }
}