/* ═══════════════════════════════════════════════════════════════
   SURFIA — hoja de estilos
   Paleta océano: azul profundo · azul océano · aqua · blanco espuma
   ═══════════════════════════════════════════════════════════════ */

:root {
  --ink: #0A1628;            /* azul casi negro, mar de fondo */
  --ink-soft: #3D4E63;       /* texto secundario */
  --primary: #0284C7;        /* azul océano vibrante */
  --primary-deep: #0E7490;   /* cian-marino */
  --aqua: #22D3EE;           /* cresta de ola */
  --foam: #F8FAFC;           /* blanco espuma */
  --surface: #FFFFFF;
  --tint: #EFF6FB;           /* sección entintada */
  --line: #DCE7F0;
  --shadow: 0 4px 24px rgba(10, 22, 40, 0.07), 0 1px 3px rgba(10, 22, 40, 0.05);
  --shadow-lift: 0 12px 40px rgba(2, 132, 199, 0.16);
  --glow-aqua: 0 0 0 1px rgba(34, 211, 238, .25), 0 8px 28px rgba(2, 132, 199, .35);
  --radius: 20px;
  --radius-sm: 14px;
  --font-display: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* burbujas WhatsApp */
  --wa-bg: #E7F0EA;
  --wa-in: #FFFFFF;
  --wa-out: #D9FDD3;
  --wa-text: #111B21;
  --wa-time: #667781;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #EDF4FA;
    --ink-soft: #9FB3C8;
    --foam: #081120;         /* azul-noche profundo */
    --surface: #0D1A2E;
    --tint: #0B1626;
    --line: #1C2E45;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.35), 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lift: 0 12px 40px rgba(34, 211, 238, 0.12);
    --glow-aqua: 0 0 0 1px rgba(34, 211, 238, .35), 0 8px 32px rgba(34, 211, 238, .22);

    --wa-bg: #0B141A;
    --wa-in: #202C33;
    --wa-out: #005C4B;
    --wa-text: #E9EDEF;
    --wa-time: #8696A0;
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--foam);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 6.5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.65rem, 5vw, 2.5rem); font-weight: 700; margin-bottom: .75em; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { color: var(--ink-soft); }
h1, h2, h3 { color: var(--ink); }

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}
.container--narrow { width: min(760px, 100% - 2.5rem); }

.section { padding: clamp(4rem, 10vw, 7rem) 0; }
.section--tinted { background: var(--tint); }
.section h2 { text-align: center; }
.section-sub {
  text-align: center;
  max-width: 34em;
  margin: -0.5rem auto 2.5rem;
  font-size: 1.05rem;
}

.accent {
  background: linear-gradient(100deg, var(--primary) 10%, var(--aqua) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* ── Botones ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: .9rem 1.7rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .25s ease, background .2s ease;
}
.btn:active { transform: scale(.97); }

.btn--primary {
  background: linear-gradient(120deg, var(--primary-deep), var(--primary) 60%);
  color: #fff;
  box-shadow: var(--glow-aqua);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(34,211,238,.4), 0 14px 36px rgba(2,132,199,.45); }

.btn--ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--ghost:hover { background: rgba(2, 132, 199, .08); transform: translateY(-2px); }

.btn--aqua {
  background: var(--aqua);
  color: #06283A;
}
.btn--aqua:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,211,238,.4); }

.btn--lg { padding: 1.05rem 2.1rem; font-size: 1.08rem; }
.btn--sm { padding: .55rem 1.15rem; font-size: .9rem; }

.ico-wa { width: 1.25em; height: 1.25em; flex: none; }

.micro-trust {
  font-size: .85rem;
  color: var(--ink-soft);
  margin-top: .8rem;
}

/* chips de canales (hero) */
.channels {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .84rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .38rem .85rem .38rem .6rem;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.chip:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.chip svg { width: 18px; height: 18px; flex: none; }

/* ── Header ───────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--foam) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow .3s ease;
}
.header.is-scrolled { box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(10,22,40,.06); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
}
.logo__mark { width: 32px; height: 32px; border-radius: 9px; }
.logo__word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.header__nav { display: none; gap: 1.8rem; }
.header__nav a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color .2s;
}
.header__nav a:hover { color: var(--primary); }

@media (min-width: 720px) {
  .header__nav { display: flex; }
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 0;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 130%;
  background:
    radial-gradient(52% 42% at 78% 18%, rgba(34, 211, 238, .17), transparent 70%),
    radial-gradient(55% 48% at 18% 62%, rgba(2, 132, 199, .14), transparent 70%);
  pointer-events: none;
}
@media (prefers-color-scheme: dark) {
  .hero__glow {
    background:
      radial-gradient(52% 42% at 78% 18%, rgba(34, 211, 238, .12), transparent 70%),
      radial-gradient(55% 48% at 18% 62%, rgba(2, 132, 199, .18), transparent 70%);
  }
}

.hero__inner {
  position: relative;
  display: grid;
  gap: 3.5rem;
  padding-bottom: clamp(4rem, 9vw, 7rem);
}
@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1.15fr .85fr;
    align-items: center;
    gap: 4rem;
  }
}

.hero__sub {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  max-width: 32em;
  margin-top: 1.3rem;
}

.hero__cta { margin-top: 2.2rem; }

.wave {
  display: block;
  width: 100%;
  height: clamp(36px, 5vw, 70px);
  color: var(--foam);
  margin-bottom: -1px;
  position: relative;
  z-index: 1;
}
.hero .wave { color: var(--foam); }

/* ── Mockup de teléfono / chat ────────────────────────────────── */
.phone {
  justify-self: center;
  width: min(370px, 100%);
}

.float { animation: float 7s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.phone__chrome {
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-lift), 0 0 0 1px var(--line);
  background: var(--wa-bg);
}

/* Acceso al panel: se distingue de los enlaces de sección sin competir con el
   botón principal de "Pide tu demo", que sigue siendo la acción prioritaria. */
.header__login {
  padding: .45rem .95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 600;
  color: var(--brand);
}
.header__login:hover { background: var(--tint, #E0F2FE); }

/* ---- video promo dentro del mismo marco del teléfono ---- */
/* El escenario del promo es 390×693; se respeta esa proporción para que su
   propio `fit()` lo escale sin recortar. */
.phone__video {
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-lift), 0 0 0 1px var(--line);
  background: #F8FAFC;
  aspect-ratio: 390 / 693;
}
.phone__video[hidden] { display: none; }
.phone__video iframe { width: 100%; height: 100%; border: 0; display: block; }

.phone__switch { display: flex; justify-content: center; margin-top: .9rem; }
.phone__switch-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.1rem; border-radius: 999px; cursor: pointer;
  background: var(--card, #fff); border: 1px solid var(--line);
  font: inherit; font-size: .9rem; font-weight: 600; color: var(--brand);
  box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s;
}
.phone__switch-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.phone__switch-btn[hidden] { display: none; }
.phone__switch-btn svg { width: 13px; height: 13px; }
.phone__switch-btn span {
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  padding: .15rem .45rem; border-radius: 6px;
  background: var(--tint, #E0F2FE); color: var(--brand);
}

.chat-head {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .8rem 1rem;
  background: linear-gradient(120deg, var(--primary-deep), var(--primary));
  color: #fff;
}
.chat-head__avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--aqua), #fff 160%);
  color: #06283A;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.chat-head__meta { display: grid; line-height: 1.25; }
.chat-head__meta strong { font-size: .98rem; }
.chat-head__status { font-size: .78rem; opacity: .85; }

.chat-body {
  padding: 1rem .9rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  min-height: 380px;
}

.chat-day { text-align: center; margin-bottom: .3rem; }
.chat-day span {
  font-size: .72rem;
  color: var(--wa-time);
  background: color-mix(in srgb, var(--wa-in) 80%, transparent);
  padding: .2rem .7rem;
  border-radius: 8px;
}

.msg {
  max-width: 82%;
  padding: .55rem .75rem .4rem;
  border-radius: 12px;
  font-size: .92rem;
  line-height: 1.45;
  color: var(--wa-text);
  box-shadow: 0 1px 1px rgba(10,22,40,.08);
  /* estado inicial: oculto, lo revela script.js */
  opacity: 0;
  transform: translateY(14px) scale(.97);
  transition: opacity .4s ease, transform .4s cubic-bezier(.2,.9,.3,1.2);
}
.msg.is-visible { opacity: 1; transform: none; }
.msg p { color: inherit; }
.msg time {
  display: block;
  text-align: right;
  font-size: .68rem;
  color: var(--wa-time);
  margin-top: .15rem;
}
.msg--in { align-self: flex-start; background: var(--wa-in); border-top-left-radius: 4px; }
.msg--out { align-self: flex-end; background: var(--wa-out); border-top-right-radius: 4px; }

.msg--typing {
  display: flex;
  gap: 5px;
  padding: .8rem .9rem;
  align-items: center;
}
.msg--typing .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--wa-time);
  animation: typing 1.1s infinite ease-in-out;
}
.msg--typing .dot:nth-child(2) { animation-delay: .18s; }
.msg--typing .dot:nth-child(3) { animation-delay: .36s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: .5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

.phone__caption {
  text-align: center;
  font-size: .95rem;
  margin-top: 1.2rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease .1s, transform .5s ease .1s;
}
.phone__caption.is-visible { opacity: 1; transform: none; }
.phone__caption strong { color: var(--primary); }

/* ── Tarjetas (problema y capacidades) ────────────────────────── */
.cards-3 {
  display: grid;
  gap: 1.3rem;
  margin-top: 2.5rem;
}
@media (min-width: 680px) { .cards-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .97rem; }

.card__icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, rgba(2,132,199,.12), rgba(34,211,238,.16));
  color: var(--primary);
}
.card__icon svg { width: 24px; height: 24px; }

/* mini-chats en capacidades */
.card--demo h3 { margin-bottom: .9rem; }
.mini-chat {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  background: var(--wa-bg);
  border-radius: var(--radius-sm);
  padding: .8rem;
  margin-bottom: 1rem;
}
.mini-msg {
  max-width: 88%;
  font-size: .85rem;
  line-height: 1.4;
  padding: .45rem .65rem;
  border-radius: 10px;
  color: var(--wa-text);
  box-shadow: 0 1px 1px rgba(10,22,40,.07);
}
.mini-msg--in { align-self: flex-start; background: var(--wa-in); border-top-left-radius: 3px; }
.mini-msg--out { align-self: flex-end; background: var(--wa-out); border-top-right-radius: 3px; }

/* ── Pasos ────────────────────────────────────────────────────── */
.steps {
  list-style: none;
  display: grid;
  gap: 2.2rem;
  margin-top: 3rem;
  counter-reset: paso;
}
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; } }

.step { position: relative; text-align: left; }
.step__num {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-deep), var(--aqua));
  margin-bottom: 1.1rem;
  box-shadow: 0 6px 18px rgba(2,132,199,.3);
}
.step h3 { margin-bottom: .5rem; }
.step p { font-size: .97rem; }

/* ── Comparativa ──────────────────────────────────────────────── */
.compare {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.compare__row {
  display: grid;
  grid-template-columns: 1fr 74px 74px;
  align-items: center;
  padding: .9rem 1.2rem;
  gap: .5rem;
}
.compare__row + .compare__row { border-top: 1px solid var(--line); }
.compare__row--head {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
  background: var(--tint);
}
.compare__row--head span { text-align: center; }
.compare__surfia-head { color: var(--primary); }
.compare__label { font-size: .95rem; color: var(--ink); text-align: left; }
.compare .yes, .compare .no {
  text-align: center;
  font-weight: 700;
  font-size: 1.05rem;
}
.compare .yes { color: var(--primary); }
.compare .no { color: color-mix(in srgb, var(--ink-soft) 55%, transparent); }

@media (min-width: 640px) {
  .compare__row { grid-template-columns: 1fr 110px 110px; }
}

/* ── Planes ───────────────────────────────────────────────────── */
.plans {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
  align-items: stretch;
}
@media (min-width: 900px) { .plans { grid-template-columns: repeat(3, 1fr); } }

.plan {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.1rem 1.8rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  text-align: left;
}
.plan--featured {
  border: 1.5px solid var(--aqua);
  box-shadow: var(--glow-aqua);
}
@media (min-width: 900px) {
  .plan--featured { transform: scale(1.04); }
}

.plan__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(120deg, var(--primary), var(--aqua));
  color: #fff;
  font-family: var(--font-display);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 999px;
  white-space: nowrap;
}

.plan h3 { font-size: 1.05rem; color: var(--primary); text-transform: uppercase; letter-spacing: .06em; }
.plan__price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-top: .4rem;
  letter-spacing: -0.03em;
}
.plan__price span { font-size: 1rem; font-weight: 400; color: var(--ink-soft); }
.plan__install { font-size: .85rem; margin-bottom: 1.2rem; }

.plan ul {
  list-style: none;
  display: grid;
  gap: .6rem;
  margin-bottom: 1.8rem;
  flex: 1;
}
.plan li {
  position: relative;
  padding-left: 1.6rem;
  font-size: .95rem;
  color: var(--ink-soft);
}
.plan li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--aqua);
  font-weight: 700;
}
.plan .btn { width: 100%; }

/* ── Rubros ───────────────────────────────────────────────────── */
.rubros {
  display: grid;
  gap: 1.1rem;
  margin-top: 2.5rem;
}
@media (min-width: 640px) { .rubros { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .rubros { grid-template-columns: repeat(4, 1fr); } }

.rubro {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1.3rem 1.2rem;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.rubro:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.rubro h3 { font-size: 1rem; margin-bottom: .45rem; }
.rubro p { font-size: .88rem; font-style: italic; }

/* ── FAQ ──────────────────────────────────────────────────────── */
.faq { display: grid; gap: .8rem; margin-top: 2.5rem; }

.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 1.1rem 3rem 1.1rem 1.3rem;
  position: relative;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--aqua);
  transition: transform .25s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 1.3rem 1.2rem; font-size: .97rem; }

/* ── CTA final ────────────────────────────────────────────────── */
.final { position: relative; overflow: hidden; text-align: center; }
.final__glow {
  position: absolute;
  inset: auto -20% -60%;
  height: 120%;
  background: radial-gradient(50% 55% at 50% 100%, rgba(34,211,238,.18), rgba(2,132,199,.08) 55%, transparent 75%);
  pointer-events: none;
}
.final__inner { position: relative; }
.final .btn--lg { margin-top: .5rem; }

.demo-form { margin-top: 3rem; }
.demo-form__label { font-size: .95rem; margin-bottom: .9rem; }
.demo-form__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .7rem;
}
.demo-form input {
  flex: 1 1 240px;
  max-width: 340px;
  padding: .9rem 1.2rem;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.demo-form input:focus {
  border-color: var(--aqua);
  box-shadow: 0 0 0 3px rgba(34,211,238,.2);
}
.demo-form__ok { margin-top: 1rem; color: var(--primary); font-weight: 500; }

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  background: #0A1628;
  color: #B9C9DA;
  padding: 3.5rem 0 2.5rem;
}
@media (prefers-color-scheme: dark) {
  .footer { background: #050C18; }
}
.footer__inner {
  display: grid;
  gap: 1rem;
  justify-items: center;
  text-align: center;
}
.footer .logo__word { color: #fff; font-size: 1.5rem; }
.footer__tag { color: #7E93AB; font-size: .95rem; }
.footer__links { display: flex; gap: 1.8rem; flex-wrap: wrap; justify-content: center; margin-top: .5rem; }
.footer__links a {
  color: #B9C9DA;
  text-decoration: none;
  font-size: .95rem;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.footer__links a:hover { color: var(--aqua); border-color: var(--aqua); }
.footer__legal { font-size: .8rem; color: #7E93AB; margin-top: 1.2rem; line-height: 1.8; }

/* ── Botón flotante WhatsApp ──────────────────────────────────── */
.wa-float {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 60;
  width: 58px; height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #25D366;
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  transition: transform .2s ease, box-shadow .2s ease;
  animation: float 5s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 12px 32px rgba(37, 211, 102, .55); }
.wa-float svg { width: 30px; height: 30px; }

/* ── Animaciones de scroll ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* escalonado dentro de grillas */
.cards-3 .reveal:nth-child(2), .steps .reveal:nth-child(2), .plans .reveal:nth-child(2) { transition-delay: .1s; }
.cards-3 .reveal:nth-child(3), .steps .reveal:nth-child(3), .plans .reveal:nth-child(3) { transition-delay: .2s; }
.cards-3 .reveal:nth-child(4) { transition-delay: .05s; }
.cards-3 .reveal:nth-child(5) { transition-delay: .15s; }
.cards-3 .reveal:nth-child(6) { transition-delay: .25s; }
.rubros .reveal:nth-child(even) { transition-delay: .08s; }

/* ── Accesibilidad: menos movimiento ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .float, .wa-float { animation: none; }
  .reveal, .msg, .phone__caption {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .msg--typing { display: none !important; }
}