/* ═══════════════════════════════════════════════════════════
   V IMPULSA — Gestión Contable
   Paleta: azul marino profundo + dorado/bronce sobre fondo limpio
   ═══════════════════════════════════════════════════════════ */

:root{
  /* Azul marino */
  --navy-950:#010e1d;
  --navy-900:#01152a;
  --navy-800:#0a2038;
  --navy-700:#122538;
  --navy-600:#1b3a56;
  --navy-500:#2a5275;

  /* Dorado / bronce */
  --gold-200:#f3e7cd;
  --gold-300:#ecd9b0;
  --gold-400:#dbc69d;
  --gold-500:#c9a96b;
  --gold-600:#a8894f;
  --gold-700:#836e4c;

  /* Neutros */
  --cream:#faf8f4;
  --cream-2:#f4f1ea;
  --white:#ffffff;
  --line:#e7e2d8;
  --line-soft:#efece4;

  --ink:#16202b;
  --ink-2:#33414f;
  --muted:#6b7a89;

  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(1,21,42,.05), 0 4px 14px rgba(1,21,42,.05);
  --shadow-md:0 10px 34px rgba(1,21,42,.09);
  --shadow-lg:0 26px 60px rgba(1,21,42,.14);

  --ff-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --ff-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --wrap:1180px;
  --header-h:82px;
}

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

html{
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 18px);
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:var(--ff-body);
  font-size:1.0625rem;
  line-height:1.72;
  color:var(--ink-2);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--ff-display);color:var(--navy-900);font-weight:600;line-height:1.12;letter-spacing:-.015em}
p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 26px}

/* ══════════ TIPOGRAFÍA BASE ══════════ */
.eyebrow{
  font-size:.75rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-700);margin:0 0 16px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:26px;height:1.5px;background:var(--gold-500);flex:none}
.centered .eyebrow{justify-content:center}
.eyebrow-light{color:var(--gold-400)}
.eyebrow-light::before{background:var(--gold-400)}
.eyebrow .dot{color:var(--gold-500);opacity:.7}

.section-title{font-size:clamp(2rem,4.4vw,3.15rem);letter-spacing:-.022em}
.section-title em{font-style:italic;font-weight:400;color:var(--gold-600)}
.section-title-light{color:var(--white)}
.section-title-light em{color:var(--gold-400)}

.section-lede{max-width:60ch;margin:20px auto 0;color:var(--muted);font-size:1.075rem}

/* ══════════ BOTONES ══════════ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border-radius:100px;
  font-family:var(--ff-body);font-size:.94rem;font-weight:600;letter-spacing:.01em;
  transition:transform .25s cubic-bezier(.2,.7,.3,1), box-shadow .25s, background .25s, color .25s, border-color .25s;
  white-space:nowrap;border:1.5px solid transparent;
}
.btn .ico{width:17px;height:17px;flex:none;transition:transform .25s}
.btn:hover .ico{transform:translateX(3px)}

.btn-gold{
  background:linear-gradient(135deg,var(--gold-400) 0%,var(--gold-500) 55%,var(--gold-600) 100%);
  color:var(--navy-900);box-shadow:0 6px 20px rgba(168,137,79,.28);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(168,137,79,.36)}

.btn-outline{border-color:var(--navy-900);color:var(--navy-900)}
.btn-outline:hover{background:var(--navy-900);color:var(--white);transform:translateY(-2px)}

.btn-ghost{border-color:rgba(255,255,255,.32);color:var(--white);background:rgba(255,255,255,.05);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--gold-400);color:var(--gold-300);background:rgba(219,198,157,.1);transform:translateY(-2px)}

.btn-lg{padding:17px 34px;font-size:1rem}
.btn-sm{padding:11px 22px;font-size:.875rem}
.btn-block{width:100%}

/* ══════════ HEADER ══════════ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, box-shadow .3s, background .3s;
}
.site-header.is-stuck{border-bottom-color:var(--line-soft);box-shadow:0 4px 24px rgba(1,21,42,.06)}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--header-h)}

.brand{display:flex;align-items:center;gap:13px;flex:none}
.brand-mark{width:44px;height:44px;object-fit:contain;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{
  font-family:var(--ff-body);font-size:1.3rem;font-weight:700;letter-spacing:-.02em;
  color:var(--navy-900);
}
.brand-name-acc{color:var(--gold-600)}
.brand-sub{
  font-size:.62rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin-top:4px;
}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:100px;font-size:.9rem;font-weight:500;
  color:var(--navy-900) !important;opacity:.78;
  transition:opacity .2s, background .2s;
}
.nav-link:hover{opacity:1;background:rgba(1,21,42,.05)}
.nav-cta-mobile{display:none}

.nav-toggle{
  display:none;flex-direction:column;gap:5px;padding:11px;margin-left:auto;
  border-radius:10px;border:1px solid var(--line);
}
.nav-toggle span{display:block;width:21px;height:1.8px;background:var(--navy-900);border-radius:2px;transition:transform .3s, opacity .3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg)}

/* ══════════ HERO ══════════ */
.hero{
  position:relative;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(42,82,117,.55) 0%, transparent 62%),
    radial-gradient(760px 520px at 6% 104%, rgba(131,110,76,.24) 0%, transparent 64%),
    linear-gradient(168deg,var(--navy-950) 0%,var(--navy-900) 42%,var(--navy-800) 100%);
  color:var(--white);
  padding:calc(var(--header-h) + 84px) 0 104px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-grid{position:absolute;inset:0;width:100%;height:100%;opacity:.75}
.hero-glow{
  position:absolute;top:-24%;right:-8%;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(219,198,157,.16) 0%,transparent 68%);
  filter:blur(28px);
}
.hero-arc{position:absolute;right:-140px;bottom:-190px;width:620px;height:620px;opacity:.85}

.hero-inner{position:relative;z-index:2}
.hero-copy{max-width:820px}

.hero-title{
  font-size:clamp(2.5rem,6.1vw,4.35rem);
  color:var(--white);
  letter-spacing:-.03em;
  line-height:1.05;
  margin:0 0 26px;
}
.hero-title em{
  font-style:italic;font-weight:400;
  background:linear-gradient(100deg,var(--gold-300) 0%,var(--gold-400) 40%,var(--gold-600) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero-sub{
  font-size:clamp(1.05rem,1.6vw,1.2rem);
  color:rgba(255,255,255,.79);
  max-width:63ch;font-weight:300;line-height:1.78;
  margin:0 0 38px;
}
.hero-sub strong{color:var(--gold-300);font-weight:600}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}

.hero-trust{display:flex;flex-wrap:wrap;gap:12px 34px}
.hero-trust li{
  display:flex;align-items:center;gap:9px;
  font-size:.875rem;color:rgba(255,255,255,.72);font-weight:400;
}
.hero-trust .ico-sm{width:15px;height:15px;color:var(--gold-400);flex:none}

/* ══════════ SECCIONES ══════════ */
.section{padding:104px 0}
.section-head{margin-bottom:64px}
.section-head.centered{text-align:center;max-width:760px;margin-left:auto;margin-right:auto}

/* ══════════ SERVICIOS ══════════ */
.services{background:var(--white)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

.service-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:36px 32px 34px;
  transition:transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .4s, border-color .4s;
  overflow:hidden;
}
.service-card::after{
  content:'';position:absolute;left:0;right:0;top:0;height:2.5px;
  background:linear-gradient(90deg,var(--gold-400),var(--gold-600));
  transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.7,.3,1);
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--gold-300)}
.service-card:hover::after{transform:scaleX(1)}

.service-num{
  position:absolute;top:26px;right:30px;
  font-family:var(--ff-display);font-size:.9rem;font-weight:600;
  color:var(--gold-500);letter-spacing:.06em;opacity:.75;
}
.service-icon{
  width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--cream) 0%,var(--cream-2) 100%);
  border:1px solid var(--line-soft);
  color:var(--navy-700);
  margin-bottom:24px;
  transition:background .4s, color .4s, border-color .4s;
}
.service-icon svg{width:25px;height:25px}
.service-card:hover .service-icon{
  background:linear-gradient(150deg,var(--navy-900),var(--navy-700));
  color:var(--gold-400);border-color:var(--navy-700);
}
.service-card h3{font-size:1.32rem;margin-bottom:11px}
.service-card p{font-size:.955rem;color:var(--muted);line-height:1.68}

/* ══════════ ESPECIALIDADES ══════════ */
.specialties{background:linear-gradient(180deg,var(--white) 0%,var(--cream) 22%,var(--cream) 78%,var(--white) 100%)}

.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5.5vw,80px);
  align-items:center;padding:52px 0;
}
.feature + .feature{border-top:1px solid var(--line)}
.feature-reverse .feature-visual{order:2}

.feature-step{
  display:inline-block;font-family:var(--ff-display);font-size:.85rem;font-weight:600;
  letter-spacing:.14em;color:var(--gold-600);margin-bottom:14px;
}
.feature-copy h3{font-size:clamp(1.6rem,2.7vw,2.1rem);margin-bottom:14px}
.feature-quote{
  font-family:var(--ff-display);font-style:italic;font-size:1.075rem;
  color:var(--gold-700);margin-bottom:24px;padding-left:18px;
  border-left:2px solid var(--gold-400);
}
.tick-list{display:grid;gap:12px}
.tick-list li{
  position:relative;padding-left:30px;font-size:.985rem;color:var(--ink-2);
}
.tick-list li::before{
  content:'';position:absolute;left:0;top:.42em;width:16px;height:16px;
  border-radius:50%;background:var(--gold-200);
  box-shadow:inset 0 0 0 1px var(--gold-400);
}
.tick-list li::after{
  content:'';position:absolute;left:5px;top:.62em;width:6px;height:3px;
  border-left:1.7px solid var(--gold-700);border-bottom:1.7px solid var(--gold-700);
  transform:rotate(-45deg);
}

/* Visuales de las especialidades */
.feature-visual{position:relative}
.fvis-card{
  position:relative;border-radius:var(--radius-lg);padding:30px;
  background:linear-gradient(160deg,var(--navy-900) 0%,var(--navy-700) 100%);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.fvis-card::before{
  content:'';position:absolute;top:-70px;right:-70px;width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(219,198,157,.2) 0%,transparent 70%);
}

.fvis-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.09);
}
.fvis-key{font-size:.88rem;color:rgba(255,255,255,.82);letter-spacing:.01em}
.fvis-check{
  width:20px;height:20px;border-radius:50%;flex:none;position:relative;
  background:rgba(219,198,157,.16);box-shadow:inset 0 0 0 1px rgba(219,198,157,.5);
}
.fvis-check::after{
  content:'';position:absolute;left:6px;top:6.5px;width:7px;height:3.5px;
  border-left:2px solid var(--gold-400);border-bottom:2px solid var(--gold-400);
  transform:rotate(-45deg);
}
.fvis-bar{height:4px;border-radius:100px;background:rgba(255,255,255,.1);margin-top:22px;overflow:hidden}
.fvis-bar span{
  display:block;height:100%;width:100%;border-radius:100px;
  background:linear-gradient(90deg,var(--gold-400),var(--gold-600));
  transform-origin:left;
}
.fvis-cap{
  margin-top:16px;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--gold-400);font-weight:500;
}

.fvis-chart{margin-bottom:20px}
.fvis-chart svg{width:100%;height:170px;display:block}
.fvis-legend{display:flex;flex-wrap:wrap;gap:8px 10px}
.fvis-legend li{
  font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;font-weight:500;
  color:rgba(255,255,255,.68);
  border:1px solid rgba(219,198,157,.28);border-radius:100px;padding:4px 12px;
}

.fvis-bal-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px}
.fvis-bal-tag{font-family:var(--ff-display);font-size:1.35rem;color:var(--white);font-weight:600}
.fvis-bal-year{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-400)}
.fvis-bal-body{display:grid;gap:18px}
.fvis-bal-lbl{font-size:.82rem;color:rgba(255,255,255,.75);display:block;margin-bottom:8px}
.fvis-bar-mini{display:block;height:7px;border-radius:100px;background:rgba(255,255,255,.1);overflow:hidden}
.fvis-bar-mini i{
  display:block;height:100%;border-radius:100px;
  background:linear-gradient(90deg,var(--gold-500),var(--gold-300));
}

/* ══════════ PROCESO ══════════ */
.process{
  background:
    radial-gradient(900px 500px at 88% 0%, rgba(42,82,117,.5) 0%, transparent 60%),
    linear-gradient(170deg,var(--navy-900) 0%,var(--navy-950) 100%);
  color:var(--white);
}
.process .section-head{margin-bottom:72px}

.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  position:relative;
}
.steps::before{
  content:'';position:absolute;top:29px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(219,198,157,.42) 12%,rgba(219,198,157,.42) 88%,transparent);
}
.step{position:relative;text-align:center;padding:0 6px}
.step-num{
  display:grid;place-items:center;width:58px;height:58px;margin:0 auto 22px;
  border-radius:50%;font-family:var(--ff-display);font-size:1.3rem;font-weight:600;
  color:var(--navy-900);
  background:linear-gradient(140deg,var(--gold-300),var(--gold-500));
  box-shadow:0 0 0 7px var(--navy-900), 0 10px 26px rgba(0,0,0,.34);
  position:relative;z-index:2;
}
.step h3{color:var(--white);font-size:1.2rem;margin-bottom:10px}
.step p{font-size:.925rem;color:rgba(255,255,255,.68);line-height:1.68}

/* ══════════ PLANES ══════════ */
.plans{background:var(--white)}
.plans-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;
  max-width:880px;margin:0 auto;align-items:start;
}
.plan{
  position:relative;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 36px 38px;
  transition:transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .4s, border-color .4s;
}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.plan-featured{
  border:1.5px solid var(--gold-500);
  background:linear-gradient(180deg,#fffdf8 0%,var(--white) 55%);
  box-shadow:var(--shadow-md);
}
.plan-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  padding:6px 18px;border-radius:100px;white-space:nowrap;
  font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--navy-900);
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500));
  box-shadow:0 6px 18px rgba(168,137,79,.3);
}
.plan-head h3{font-size:1.55rem;margin-bottom:6px}
.plan-for{font-size:.86rem;color:var(--muted)}
.plan-price{
  display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
  margin:24px 0 26px;padding-bottom:26px;border-bottom:1px solid var(--line-soft);
}
.plan-from{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500}
.plan-amount{font-family:var(--ff-display);font-size:2.6rem;font-weight:600;color:var(--navy-900);letter-spacing:-.02em;line-height:1}
.plan-per{font-size:.9rem;color:var(--muted)}
.plan-features{display:grid;gap:12px;margin-bottom:32px}
.plan-features li{position:relative;padding-left:28px;font-size:.955rem;color:var(--ink-2)}
.plan-features li::before{
  content:'';position:absolute;left:0;top:.4em;width:16px;height:16px;border-radius:50%;
  background:var(--gold-200);box-shadow:inset 0 0 0 1px var(--gold-400);
}
.plan-features li::after{
  content:'';position:absolute;left:5px;top:.6em;width:6px;height:3px;
  border-left:1.7px solid var(--gold-700);border-bottom:1.7px solid var(--gold-700);
  transform:rotate(-45deg);
}
.plans-note{
  text-align:center;margin-top:44px;font-size:.965rem;color:var(--muted);
  font-family:var(--ff-display);font-style:italic;
}

/* ══════════ CONTACTO ══════════ */
.contact{background:linear-gradient(180deg,var(--cream) 0%,var(--cream-2) 100%)}
.contact-grid{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:clamp(30px,4vw,56px);align-items:start;
}

.contact-info{display:grid;gap:14px}
.ci-item{
  display:flex;align-items:center;gap:18px;
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:20px 22px;transition:transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s, border-color .3s;
}
.ci-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--gold-300)}
.ci-icon{
  width:46px;height:46px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--navy-900),var(--navy-700));color:var(--gold-400);
}
.ci-icon svg{width:21px;height:21px}
.ci-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.ci-label{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.ci-value{font-size:1.045rem;font-weight:600;color:var(--navy-900);word-break:break-word}
.ci-note{
  background:var(--navy-900);border-radius:var(--radius);padding:26px 26px;
  color:rgba(255,255,255,.78);font-size:.93rem;line-height:1.72;
}
.ci-note strong{color:var(--gold-300)}

.contact-form{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:40px 38px;box-shadow:var(--shadow-sm);
}
.form-title{font-size:1.5rem;margin-bottom:26px}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{
  display:block;font-size:.76rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--navy-800);margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;padding:14px 16px;font-family:var(--ff-body);font-size:.97rem;color:var(--ink);
  background:var(--cream);border:1.5px solid var(--line);border-radius:11px;
  transition:border-color .25s, background .25s, box-shadow .25s;
  resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:#9aa7b3}
.field input:focus,.field textarea:focus{
  outline:none;background:var(--white);border-color:var(--gold-500);
  box-shadow:0 0 0 4px rgba(201,169,107,.15);
}
.field input.is-invalid,.field textarea.is-invalid{border-color:#c0564a;background:#fdf6f5}
.form-hint{font-size:.8rem;color:var(--muted);text-align:center;margin-top:14px}
.form-status{font-size:.88rem;text-align:center;margin-top:10px;min-height:1.2em;font-weight:500}
.form-status.ok{color:#3f7a52}
.form-status.err{color:#c0564a}

/* ══════════ FOOTER ══════════ */
.site-footer{
  background:linear-gradient(170deg,var(--navy-950) 0%,var(--navy-900) 100%);
  color:rgba(255,255,255,.72);
  padding:74px 0 34px;
}
.footer-inner{
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,.9fr);
  gap:40px;align-items:start;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-logo{width:168px;height:auto;margin-bottom:18px}
.footer-tag{font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-400);font-weight:500}
.footer-nav{display:grid;gap:12px}
.footer-nav a{font-size:.93rem;color:rgba(255,255,255,.74);transition:color .2s,padding-left .2s}
.footer-nav a:hover{color:var(--gold-300);padding-left:5px}
.footer-contact{display:grid;gap:12px}
.footer-contact a{font-size:.93rem;color:rgba(255,255,255,.74);transition:color .2s}
.footer-contact a:hover{color:var(--gold-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  padding-top:26px;font-size:.82rem;color:rgba(255,255,255,.5);
}
.footer-close{
  font-family:var(--ff-display);font-style:italic;font-size:.95rem;color:var(--gold-400);
}

/* ══════════ WHATSAPP FLOTANTE ══════════ */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:800;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:#25d366;color:#fff;
  box-shadow:0 10px 30px rgba(37,211,102,.4);
  transition:transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s;
}
.wa-float svg{width:29px;height:29px}
.wa-float:hover{transform:scale(1.08) translateY(-2px);box-shadow:0 14px 38px rgba(37,211,102,.5)}

/* ══════════ REVEAL ══════════ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ══════════ RESPONSIVE ══════════ */
@media (max-width:1080px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:40px 26px}
  .steps::before{display:none}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  .feature{grid-template-columns:1fr;gap:34px;padding:44px 0}
  .feature-reverse .feature-visual{order:0}
  .contact-grid{grid-template-columns:1fr}
}

@media (max-width:820px){
  :root{--header-h:74px}
  .nav-toggle{display:flex}
  .nav-cta-desktop{display:none !important}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:16px 22px 24px;margin-left:0;
    box-shadow:0 18px 40px rgba(1,21,42,.1);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .3s cubic-bezier(.2,.7,.3,1), opacity .3s;
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:14px 6px;font-size:1rem;border-bottom:1px solid var(--line-soft);border-radius:0}
  .nav-cta-mobile{display:inline-flex;margin-top:18px;border-bottom:0}
  .brand-mark{width:38px;height:38px}
  .brand-name{font-size:1.15rem}
  .section{padding:76px 0}
  .section-head{margin-bottom:46px}
  .hero{padding:calc(var(--header-h) + 58px) 0 78px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .plans-grid{grid-template-columns:1fr}
  .plan-featured{order:-1}
  .contact-form{padding:32px 24px}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:flex-start}
}

@media (max-width:600px){
  .container{padding:0 20px}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:34px}
  .step{text-align:left;display:grid;grid-template-columns:58px 1fr;gap:18px;align-items:start}
  .step-num{margin:0}
  .step h3{grid-column:2;margin-bottom:6px}
  .step p{grid-column:2}
  .field-row{grid-template-columns:1fr;gap:0}
  .hero-trust{gap:10px 22px}
  .hero-trust li{font-size:.83rem}
  .brand-sub{letter-spacing:.14em;font-size:.56rem}
  .wa-float{width:52px;height:52px;right:16px;bottom:16px}
  .plan{padding:34px 26px 32px}
  .feature-quote{font-size:1rem}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ══════════ IMPRESIÓN ══════════ */
@media print{
  .site-header,.wa-float,.hero-bg{display:none}
  .hero,.process,.site-footer{background:#fff !important;color:#000 !important}
  .hero-title,.step h3,.section-title-light{color:#000 !important}
  .reveal{opacity:1;transform:none}
}