/* =========================================================
   TiendaIA · Landing
   Sistema de diseño: tokens → base → componentes → secciones
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color */
  --bg:          #fbfbfd;
  --surface:     #ffffff;
  --surface-2:   #f4f3f9;
  --ink:         #12101f;
  --ink-2:       #423f57;
  --muted:       #6f6c85;
  --line:        rgba(18, 16, 31, .09);
  --line-strong: rgba(18, 16, 31, .16);

  --brand:        #6b4bf0;
  --brand-strong: #5738d6;
  --brand-ink:    #3a2aa8;
  --brand-soft:   #efeafe;
  --accent:       #ff8a4c;   /* cálido, uso puntual */

  --wa: #1fab5a;
  --ok: #12a150;

  /* Radios */
  --r-sm: 12px;
  --r:    18px;
  --r-lg: 26px;
  --r-pill: 999px;

  /* Sombras */
  --sh-sm: 0 1px 2px rgba(18,16,31,.06), 0 2px 6px rgba(18,16,31,.05);
  --sh-md: 0 12px 34px -14px rgba(24,18,60,.22);
  --sh-lg: 0 40px 80px -28px rgba(24,18,60,.32);

  /* Layout / movimiento */
  --maxw: 1160px;
  --pad: clamp(20px, 5vw, 40px);
  --ease: cubic-bezier(.16, .84, .44, 1);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: "Sora", "Inter", sans-serif;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--brand); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* Kicker (etiqueta de sección) */
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: "Sora", sans-serif;
  font-size: .74rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand-ink);
}
.kicker::before {
  content: ""; width: 26px; height: 1px; background: currentColor; opacity: .5;
}
.kicker--light { color: #b9a9ff; }

/* Reveal on scroll */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- 3. Botones ---------- */
.btn {
  --btn-bg: var(--brand);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: "Sora", sans-serif;
  font-size: .93rem; font-weight: 600; letter-spacing: -.01em;
  white-space: nowrap;
  background: var(--btn-bg); color: var(--btn-fg);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background .18s var(--ease), border-color .18s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--sm { padding: 10px 18px; font-size: .86rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: linear-gradient(180deg, #7d5eff, #6b4bf0);
  box-shadow: 0 10px 24px -10px rgba(107,75,240,.65), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -12px rgba(107,75,240,.7); }

.btn--ghost {
  background: transparent; color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { background: var(--surface-2); border-color: var(--ink); }

.btn--glass {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.18);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn--glass:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
.btn--glass svg { color: #d7ccff; }

.btn--wa { background: var(--wa); box-shadow: 0 12px 26px -12px rgba(31,171,90,.7); }
.btn--wa:hover { transform: translateY(-2px); filter: brightness(1.04); }
.btn--ig {
  background: #fff; color: var(--ink); border-color: var(--line-strong);
}
.btn--ig:hover { transform: translateY(-2px); border-color: var(--ink); }

/* ---------- 4. Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  transition: background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(251,251,253,.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -18px rgba(24,18,60,.4);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--brand); }
.brand__mark svg { width: 30px; height: 30px; display: block; }
.brand__name {
  font-family: "Sora", sans-serif; font-weight: 700; font-size: 1.15rem;
  letter-spacing: -.02em; color: var(--ink);
}
.brand__name span { color: var(--brand); }

.nav { display: flex; gap: 30px; }
.nav a {
  position: relative; font-size: .93rem; font-weight: 500; color: var(--ink-2);
  padding: 6px 0;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--brand); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  background: #0b0a14;
  color: #fff;
  padding-top: clamp(60px, 9vw, 104px);
  padding-bottom: clamp(60px, 9vw, 110px);
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 55% at 78% 8%, rgba(124,92,255,.42), transparent 60%),
    radial-gradient(48% 45% at 12% 4%, rgba(76,54,199,.30), transparent 60%),
    radial-gradient(90% 60% at 50% 120%, rgba(107,75,240,.22), transparent 70%);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 25%, #000 20%, transparent 75%);
}
.hero__inner { position: relative; text-align: center; max-width: 820px; margin-inline: auto; }
.hero__inner .kicker { margin-bottom: 22px; }

.hero__title {
  font-size: clamp(2.5rem, 6.4vw, 4.1rem);
  font-weight: 800;
  letter-spacing: -.035em;
  color: #fff;
  margin-bottom: 20px;
}
.grad {
  background: linear-gradient(100deg, #a48bff 0%, #c9bcff 40%, var(--accent) 105%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__sub {
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  color: rgba(255,255,255,.72);
  max-width: 620px; margin: 0 auto 32px;
}

.lead {
  display: flex; gap: 8px; flex-wrap: wrap;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  padding: 8px; border-radius: var(--r-pill);
  max-width: 470px; margin: 0 auto 16px;
  backdrop-filter: blur(8px);
}
.lead input {
  flex: 1 1 190px; min-width: 0;
  background: transparent; border: 0; outline: 0;
  padding: 12px 18px; color: #fff; font-size: .95rem;
}
.lead input::placeholder { color: rgba(255,255,255,.5); }
.lead .btn { flex: 0 0 auto; }

.form-msg {
  flex-basis: 100%; min-height: 1.15em;
  font-size: .84rem; margin: 2px 8px 0; text-align: left;
}
.form-msg.ok  { color: var(--ok); }
.form-msg.err { color: #d64545; }
.lead .form-msg.ok  { color: #7ff0b3; }
.lead .form-msg.err { color: #ffb4b4; }

.hero__ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.hero__note { font-size: .88rem; color: rgba(255,255,255,.6); }
.hero__note a { color: #c9bcff; font-weight: 600; }
.hero__note a:hover { color: #fff; }

/* Panel de producto */
.panel {
  position: relative;
  margin-top: clamp(44px, 7vw, 72px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  color: var(--ink);
}
.panel__chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 18px; background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.panel__chrome .dot { width: 11px; height: 11px; border-radius: 50%; background: #d7d3e6; }
.panel__url {
  margin-left: 14px; font-size: .78rem; color: var(--muted);
  background: var(--surface); border: 1px solid var(--line);
  padding: 4px 14px; border-radius: var(--r-pill);
}
.panel__body { display: grid; grid-template-columns: 216px 1fr; min-height: 340px; }

.panel__nav { background: #14121f; color: rgba(255,255,255,.62); padding: 22px 16px; }
.panel__brand {
  display: block; font-family: "Sora", sans-serif; font-weight: 700;
  color: #fff; font-size: .95rem; letter-spacing: -.02em; margin: 0 8px 18px;
}
.panel__nav ul { list-style: none; display: grid; gap: 4px; }
.panel__nav li {
  display: flex; align-items: center; gap: 11px;
  font-size: .88rem; padding: 9px 12px; border-radius: 10px;
}
.panel__nav li svg { opacity: .8; }
.panel__nav li.is-active { background: rgba(124,92,255,.22); color: #fff; }

.panel__main { padding: 22px 24px; background: var(--surface); }
.panel__topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.panel__topbar strong { font-family: "Sora", sans-serif; font-size: 1.02rem; }
.panel__search {
  margin-left: auto; font-size: .8rem; color: var(--muted);
  background: var(--surface-2); border: 1px solid var(--line);
  padding: 6px 16px; border-radius: var(--r-pill);
}
.panel__avatar {
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; font-size: .72rem; font-weight: 700;
  background: var(--brand-soft); color: var(--brand-ink);
}

.chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.chip {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 12px 14px;
  display: grid; gap: 3px;
}
.chip span { font-size: .74rem; color: var(--muted); }
.chip b { font-family: "Sora", sans-serif; font-size: 1.15rem; color: var(--ink); }

.panel__grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 12px; }
.mini-card {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 14px 16px;
}
.mini-card__head {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .8rem; color: var(--muted); margin-bottom: 8px;
}
.tag {
  font-size: .68rem; font-weight: 600; padding: 3px 9px; border-radius: var(--r-pill);
}
.tag--ok { background: rgba(18,161,80,.12); color: var(--ok); }
.tag--ok::before { content: "●"; margin-right: 5px; font-size: .6em; vertical-align: middle; }

.area { width: 100%; height: 92px; }
.area--tall { height: 150px; }
.axis { display: flex; justify-content: space-between; margin-top: 6px; font-size: .68rem; color: var(--muted); }

.rows { list-style: none; display: grid; gap: 10px; }
.rows li { display: flex; align-items: center; gap: 10px; font-size: .82rem; color: var(--ink-2); }
.rows .ini {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center; font-size: .66rem; font-weight: 700;
  background: var(--brand-soft); color: var(--brand-ink);
}
.rows time { margin-left: auto; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- 6. Strip / logo cloud ---------- */
.strip { background: var(--surface); border-bottom: 1px solid var(--line); padding: 40px 0; }
.strip__label {
  text-align: center; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 20px;
}
.strip__list {
  list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 12px;
}
.strip__list li {
  font-family: "Sora", sans-serif; font-weight: 600; font-size: .9rem; color: var(--ink-2);
  background: var(--surface-2); border: 1px solid var(--line);
  padding: 8px 16px; border-radius: var(--r-pill);
  transition: transform .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.strip__list li:hover { transform: translateY(-2px); color: var(--brand-ink); border-color: var(--brand-soft); }

/* ---------- 7. Secciones ---------- */
.section { padding: clamp(64px, 10vw, 112px) 0; }
.section--tint { background: var(--surface); border-block: 1px solid var(--line); }

.section__head { max-width: 620px; margin: 0 auto clamp(40px, 6vw, 60px); text-align: center; }
.section__head .kicker { margin-bottom: 16px; }
.section__head .kicker::before { display: none; }
.section__head h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin-bottom: 14px; }
.section__head p { color: var(--muted); font-size: 1.02rem; }

/* Grid de servicios */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px 30px;
  box-shadow: var(--sh-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.section--tint .feature-card { background: var(--bg); }
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-md);
  border-color: var(--brand-soft);
}
.feature-card__num {
  position: absolute; top: 26px; right: 28px;
  font-family: "Sora", sans-serif; font-size: .8rem; font-weight: 700;
  color: var(--line-strong);
}
.feature-card__icon {
  display: grid; place-items: center;
  width: 50px; height: 50px; border-radius: 14px;
  background: var(--brand-soft); color: var(--brand);
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.16rem; margin-bottom: 9px; }
.feature-card p { font-size: .95rem; color: var(--muted); }

/* Split (texto + visual) */
.split { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 6vw, 68px); align-items: center; }
.split--reverse .split__text { order: 2; }
.split__text .kicker { margin-bottom: 16px; }
.split__text h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: 14px; }
.split__text > p { color: var(--muted); margin-bottom: 26px; }

.checklist { list-style: none; display: grid; gap: 18px; }
.checklist li { position: relative; padding-left: 36px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 2px;
  width: 22px; height: 22px; border-radius: 7px;
  background: var(--brand); color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.checklist strong { display: block; color: var(--ink); font-family: "Sora", sans-serif; font-size: .98rem; }
.checklist span { font-size: .92rem; color: var(--muted); }

/* Board (visual de "orden") */
.board {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--sh-md);
}
.board__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.board__head strong { font-family: "Sora", sans-serif; font-size: 1.05rem; color: var(--ink); }
.board__legend { display: flex; align-items: center; gap: 8px; font-size: .74rem; color: var(--muted); }
.board__legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.board__legend i.k-brand { background: var(--brand); }
.board__legend i.k-soft { background: #c9bdf7; margin-left: 6px; }
.board__stats { display: grid; gap: 14px; margin-top: 18px; }
.board__stats > div { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }
.board__stats span { font-size: .82rem; color: var(--muted); }
.board__stats b { font-family: "Sora", sans-serif; font-size: .9rem; color: var(--ink); grid-row: 1; grid-column: 2; }
.bar { grid-column: 1 / -1; height: 8px; border-radius: var(--r-pill); background: var(--surface-2); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #7d5eff, var(--brand)); }

/* Steps */
.steps {
  list-style: none;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  position: relative;
}
.steps::before {
  content: ""; position: absolute; top: 26px; left: 8%; right: 8%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 14px);
}
.steps li {
  position: relative; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px 22px;
}
.section--tint .steps li { background: var(--bg); }
.steps__n {
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--brand); color: #fff;
  font-family: "Sora", sans-serif; font-weight: 700;
  margin-bottom: 16px; box-shadow: 0 8px 18px -8px rgba(107,75,240,.7);
}
.steps h3 { font-size: 1.04rem; margin-bottom: 7px; }
.steps p { font-size: .9rem; color: var(--muted); }

/* Stats */
.stats { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stats li {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--r); padding: 24px 20px; text-align: center;
}
.stats strong {
  display: block; font-family: "Sora", sans-serif; font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 1.9rem); color: var(--brand-ink); letter-spacing: -.03em;
  margin-bottom: 4px;
}
.stats span { font-size: .84rem; color: var(--muted); }

/* ---------- 8. Contacto ---------- */
.contact {
  position: relative; overflow: hidden;
  background: #0b0a14; color: #fff;
  padding: clamp(64px, 10vw, 112px) 0;
}
.contact__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(50% 50% at 12% 0%, rgba(124,92,255,.4), transparent 60%),
    radial-gradient(55% 55% at 92% 100%, rgba(76,54,199,.32), transparent 65%);
}
.contact__inner {
  position: relative;
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: clamp(36px, 6vw, 64px); align-items: start;
}
.contact__info .kicker { margin-bottom: 16px; }
.contact__info h2 { color: #fff; font-size: clamp(1.8rem, 3.8vw, 2.5rem); margin-bottom: 14px; }
.contact__info > p { color: rgba(255,255,255,.72); margin-bottom: 30px; }

.contact__list { list-style: none; display: grid; gap: 16px; margin-bottom: 28px; }
.contact__list li { display: flex; align-items: center; gap: 14px; }
.contact__ico {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center; color: #cdbcff;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
}
.contact__list span {
  display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.contact__list a { font-family: "Sora", sans-serif; font-weight: 600; font-size: .98rem; }
.contact__list a:hover { color: #cdbcff; }
.contact__social { display: flex; gap: 12px; flex-wrap: wrap; }

.cform {
  background: var(--surface); color: var(--ink);
  border-radius: var(--r-lg); padding: clamp(24px, 4vw, 36px);
  box-shadow: var(--sh-lg);
}
.cform__field { display: grid; gap: 7px; margin-bottom: 16px; }
.cform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cform label { font-family: "Sora", sans-serif; font-size: .82rem; font-weight: 600; color: var(--ink); }
.cform input, .cform select, .cform textarea {
  width: 100%; font: inherit; color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 12px 14px; outline: 0;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease), background .16s var(--ease);
}
.cform input:focus, .cform select:focus, .cform textarea:focus {
  background: var(--surface);
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(107,75,240,.16);
}
.cform textarea { resize: vertical; min-height: 96px; }
.cform .btn { margin-top: 4px; }
.cform .form-msg { text-align: center; margin-top: 12px; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

/* ---------- 9. Footer ---------- */
.footer { background: #0b0a14; color: rgba(255,255,255,.6); padding: 52px 0 30px; }
.footer__inner {
  display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: flex-start;
}
.footer__brand .brand__name { color: #fff; font-size: 1.1rem; }
.footer__brand .brand__name span { color: #a48bff; }
.footer__brand p { font-size: .9rem; margin-top: 8px; max-width: 250px; }
.footer__col { display: grid; gap: 10px; font-size: .9rem; }
.footer__col span {
  font-family: "Sora", sans-serif; font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 2px;
}
.footer__col a:hover { color: #fff; }
.footer__legal {
  text-align: center; font-size: .8rem; color: rgba(255,255,255,.4);
  margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08);
}

/* ---------- 10. WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--wa); color: #fff;
  box-shadow: 0 16px 36px -10px rgba(31,171,90,.7);
  transition: transform .18s var(--ease);
}
.wa-float::before {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(31,171,90,.4);
  animation: waPulse 2.4s var(--ease) infinite;
}
@keyframes waPulse { 0% { transform: scale(.9); opacity: .8; } 100% { transform: scale(1.5); opacity: 0; } }
.wa-float:hover { transform: scale(1.07); }
@media (prefers-reduced-motion: reduce) { .wa-float::before { animation: none; } }

/* ---------- 11. Responsive ---------- */
@media (max-width: 940px) {
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 8px var(--pad) 16px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .2s var(--ease), transform .2s var(--ease);
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .header__actions .btn { display: none; }

  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .split, .contact__inner { grid-template-columns: 1fr; }
  .split--reverse .split__text { order: 0; }
  .panel__body { grid-template-columns: 1fr; }
  .panel__nav { display: none; }
  .panel__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .grid-3, .steps, .stats, .cform__row, .chips { grid-template-columns: 1fr; }
  .hero__ctas { width: 100%; }
  .hero__ctas .btn { flex: 1; }
  .lead { border-radius: var(--r); }
  .chips { gap: 10px; }
}