/* ════════════════════════════════════════════════════════════════════════
   Sergio Bolaños — Asesoramiento Impositivo y Contable
   V1.2 — Rediseño profesional corporativo
   ════════════════════════════════════════════════════════════════════════ */

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

:root {
  --navy-950: #050E24;
  --navy-900: #0B1F4B;
  --navy-800: #102B68;
  --navy-700: #163580;
  --navy-600: #1A3D97;
  --navy-500: #1E3A7B;
  --navy-400: #2D52A8;
  --navy-300: #4A72CB;
  --navy-100: #DBEAFE;
  --silver-50:  #F8FAFC;
  --silver-100: #F1F5F9;
  --silver-200: #E2E8F0;
  --silver-300: #CBD5E1;
  --silver-400: #94A3B8;
  --silver-500: #64748B;
  --gold-500: #C9A84C;
  --gold-400: #D4B56A;
  --gold-300: #E8D5A3;
  --gold-100: #FBF5E6;
  --wa: #25D366;
  --wa-dark: #1DA851;
  --bg-light: #F4F7FB;
  --text: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --radius: 12px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
}

/* ── Base ──────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--text); line-height: 1.6; background: #fff; }
body.preload * { transition: none !important; }
img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; font-family: var(--font); }

.skip-link {
  position: absolute; top: -999px; left: 1rem; z-index: 9999;
  background: var(--navy-900); color: #fff; padding: .5rem 1rem; border-radius: 0 0 8px 8px;
}
.skip-link:focus { top: 0; }

/* ── Typography ────────────────────────────────────────────────────────── */
h1,h2,h3,h4 { font-weight: 800; line-height: 1.2; letter-spacing: -.02em; }
h1 { font-size: clamp(1.875rem, 4vw, 2.875rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); }
h3 { font-size: 1.125rem; font-weight: 700; letter-spacing: -.01em; }
p  { line-height: 1.7; }

/* ── Container ─────────────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 768px) { .container { padding: 0 2rem; } }

/* ── Sections ──────────────────────────────────────────────────────────── */
.section { padding: 5rem 0; }
.section.bg-light { background: var(--bg-light); }
.section.bg-white { background: #fff; }
.section.bg-navy  { background: var(--navy-900); }
@media (max-width: 768px) { .section { padding: 3.5rem 0; } }
.section-header { text-align: center; margin-bottom: 3rem; max-width: 640px; margin-left: auto; margin-right: auto; }
.section-header h2 { margin-bottom: .75rem; }
.section-header p  { color: var(--text-muted); font-size: 1.0625rem; }
.section-cta { text-align: center; margin-top: 2.5rem; }
.section-cta p { color: var(--text-muted); margin-bottom: 1rem; }

/* ── Badge ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: .3rem .8rem; border-radius: 999px; background: var(--gold-100); color: var(--gold-500); border: 1px solid var(--gold-300); margin-bottom: 1rem;
}
.badge-navy { background: rgba(30,58,123,.1); color: var(--navy-500); border-color: rgba(30,58,123,.2); }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.625rem; border-radius: 8px; font-weight: 600; font-size: .9375rem;
  border: 2px solid transparent; transition: all .2s; text-decoration: none; cursor: pointer;
  white-space: nowrap; font-family: var(--font); line-height: 1;
}
.btn-primary   { background: var(--navy-900); color: #fff; border-color: var(--navy-900); box-shadow: 0 2px 8px rgba(5,14,36,.25); }
.btn-primary:hover { background: var(--navy-700); border-color: var(--navy-700); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(5,14,36,.3); }
.btn-outline   { background: transparent; color: var(--navy-500); border-color: var(--navy-300); }
.btn-outline:hover { background: var(--navy-100); }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn-gold      { background: var(--gold-500); color: var(--navy-900); border-color: var(--gold-500); font-weight: 700; }
.btn-gold:hover { background: var(--gold-400); }
.btn-whatsapp  { background: var(--wa); color: #fff; border-color: var(--wa); }
.btn-whatsapp:hover { background: var(--wa-dark); transform: translateY(-1px); }
.btn-lg { padding: .9375rem 2rem; font-size: 1rem; }
.btn-sm { padding: .5rem 1rem; font-size: .8125rem; }
.w-full { width: 100%; }

/* ── Header ────────────────────────────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 68px; transition: all .3s;
  background: rgba(5,14,36,.85); backdrop-filter: blur(16px);
}
.header.scrolled { background: rgba(5,14,36,.97); box-shadow: 0 2px 20px rgba(0,0,0,.3); }
.header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.logo { display: flex; align-items: center; gap: .625rem; flex-shrink: 0; }
.logo-full { height: 36px; width: auto; }
.logo-icon { height: 34px; width: 34px; display: none; }
@media (max-width: 380px) { .logo-full { display: none; } .logo-icon { display: block; } }

.nav { display: none; }
@media (min-width: 1024px) { .nav { display: flex; } }
.nav-list { display: flex; gap: .25rem; }
.nav-link { padding: .5rem .75rem; border-radius: 6px; font-size: .875rem; font-weight: 500; color: rgba(255,255,255,.75); transition: all .2s; }
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,.1); }

.header-actions { display: flex; align-items: center; gap: .75rem; }
.header-cta { display: none; }
@media (min-width: 640px) { .header-cta { display: inline-flex; } }

/* ── Burger ────────────────────────────────────────────────────────────── */
.burger { display: flex; flex-direction: column; gap: 5px; padding: .5rem; background: none; border: none; }
@media (min-width: 1024px) { .burger { display: none; } }
.burger-line { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all .3s; }
.burger.open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open .burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile menu ────────────────────────────────────────────────────────── */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999; background: var(--navy-950);
  padding: 5rem 1.5rem 2rem; transform: translateX(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1); display: flex; flex-direction: column;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-nav-list { flex: 1; }
.mobile-nav-link { display: block; padding: 1rem 0; font-size: 1.25rem; font-weight: 600; color: rgba(255,255,255,.8); border-bottom: 1px solid rgba(255,255,255,.08); transition: color .2s; }
.mobile-nav-link:hover { color: #fff; }
.mobile-menu-footer { display: flex; flex-direction: column; gap: .75rem; padding-top: 2rem; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  background: linear-gradient(150deg, var(--navy-950) 0%, var(--navy-800) 60%, var(--navy-600) 100%);
  display: flex; align-items: center; padding-top: 68px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(201,168,76,.08), transparent),
              radial-gradient(ellipse 50% 40% at 20% 80%, rgba(30,58,123,.4), transparent);
}
.hero-layout { display: grid; gap: 3rem; align-items: center; padding: 4rem 0; }
@media (min-width: 768px) { .hero-layout { grid-template-columns: 1fr 1fr; padding: 5rem 0; } }
.hero-content { position: relative; z-index: 1; }
.hero-content h1 { color: #fff; margin-bottom: 1.25rem; }
.hero-text { color: rgba(255,255,255,.78); font-size: 1.0625rem; margin-bottom: 2rem; max-width: 520px; }
.hero-actions { display: flex; gap: .875rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero-whatsapp { display: inline-flex; align-items: center; gap: .625rem; color: var(--wa); font-weight: 600; font-size: .9375rem; transition: opacity .2s; }
.hero-whatsapp:hover { opacity: .8; }
.hero-image { display: flex; justify-content: center; }
.photo-placeholder {
  width: 320px; height: 380px; border-radius: 20px; max-width: 100%;
  border: 2px dashed rgba(255,255,255,.2);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(201,168,76,.04));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
@media (max-width: 767px) { .photo-placeholder { width: 200px; height: 240px; } }
.photo-placeholder-monogram { font-size: 4rem; font-weight: 800; color: var(--gold-400); letter-spacing: -.05em; margin-bottom: .5rem; }
.photo-placeholder-note { font-size: .75rem; color: rgba(255,255,255,.4); text-align: center; }

/* ── Trust strip ───────────────────────────────────────────────────────── */
.trust-strip { background: #fff; border-bottom: 1px solid var(--border); padding: 2rem 0; }
#trust-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 2rem; }
@media (min-width: 768px) { #trust-strip { grid-template-columns: repeat(4, 1fr); } }
.trust-item { display: flex; flex-direction: column; gap: .25rem; padding-left: 1rem; border-left: 3px solid var(--gold-500); }
.trust-item strong { font-size: .9375rem; font-weight: 700; color: var(--navy-900); }
.trust-item span   { font-size: .8125rem; color: var(--text-muted); line-height: 1.5; }

/* ── Audiencia ─────────────────────────────────────────────────────────── */
#audiencia-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 640px)  { #audiencia-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { #audiencia-grid { grid-template-columns: repeat(5, 1fr); } }
.audiencia-card {
  display: flex; flex-direction: column; align-items: center; gap: .75rem;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem 1rem; text-align: center; transition: all .25s;
}
.audiencia-card:hover { border-color: var(--gold-400); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.audiencia-icon { width: 44px; height: 44px; background: var(--navy-100); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--navy-500); }
.audiencia-icon svg { width: 22px; height: 22px; }
.audiencia-card span { font-size: .9rem; font-weight: 600; color: var(--navy-900); }

/* ── Services ──────────────────────────────────────────────────────────── */
#services-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px)  { #services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { #services-grid { grid-template-columns: repeat(3, 1fr); } }
.service-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--border);
  padding: 1.75rem; display: flex; flex-direction: column; gap: .75rem;
  box-shadow: var(--shadow-sm); transition: all .25s;
}
.service-card:hover { border-color: var(--gold-400); box-shadow: 0 6px 24px rgba(201,168,76,.12); transform: translateY(-2px); }
.service-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--gold-100); border: 1px solid var(--gold-300); display: flex; align-items: center; justify-content: center; color: var(--navy-600); flex-shrink: 0; }
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 { color: var(--navy-900); }
.service-card p  { font-size: .9rem; color: var(--text-muted); flex: 1; }
.service-card .btn { margin-top: auto; align-self: flex-start; }

/* ── Split layout ──────────────────────────────────────────────────────── */
.split-layout { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 768px) { .split-layout { grid-template-columns: 1fr 1fr; } }
.split-box {
  border-radius: 20px; overflow: hidden;
  background: linear-gradient(145deg, var(--navy-900), var(--navy-700));
  padding: 3rem; display: flex; align-items: center; justify-content: center;
  min-height: 300px; position: relative;
}
.split-box::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 70% 30%, rgba(201,168,76,.12), transparent); }
.split-box-inner { text-align: center; position: relative; z-index: 1; }
.split-box-icon { width: 72px; height: 72px; margin: 0 auto 1rem; color: var(--gold-400); }
.split-box-icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.split-box-title { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: .375rem; }
.split-box-sub   { color: rgba(255,255,255,.6); font-size: .9rem; }
.split-content { display: flex; flex-direction: column; gap: 1.25rem; }
.split-content p { color: var(--text-muted); }
.feature-list { display: flex; flex-direction: column; gap: .625rem; }
.feature-list li { display: flex; gap: .75rem; align-items: flex-start; font-size: .9375rem; color: var(--text-muted); }
.feature-list li::before {
  content: '✓'; color: var(--gold-500); font-weight: 800; flex-shrink: 0; margin-top: .05rem;
}

/* ── Sobre mí ──────────────────────────────────────────────────────────── */
.sobre-layout { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 768px) { .sobre-layout { grid-template-columns: auto 1fr; } }
.sobre-photo-box {
  width: 200px; height: 220px; border-radius: 16px; margin: 0 auto;
  background: linear-gradient(145deg, var(--navy-800), var(--navy-600));
  display: flex; align-items: center; justify-content: center;
  border: 2px solid rgba(201,168,76,.3); background-size: cover; background-position: center top;
}
.sobre-photo-monogram { font-size: 3.5rem; font-weight: 800; color: var(--gold-400); letter-spacing: -.05em; }
.sobre-content h2 { color: #fff; margin-bottom: .5rem; }
.sobre-content > p { color: rgba(255,255,255,.72); margin-bottom: 1.5rem; }
.credentials { display: flex; flex-direction: column; gap: .875rem; }
.credential-item { display: grid; grid-template-columns: 140px 1fr; gap: .5rem; }
.credential-item dt { font-size: .8125rem; font-weight: 600; color: var(--gold-400); text-transform: uppercase; letter-spacing: .04em; }
.credential-item dd { font-size: .9375rem; color: rgba(255,255,255,.8); }
.credential-item.pending dd { color: rgba(255,255,255,.3); font-style: italic; display: none; }

/* ── Proceso ───────────────────────────────────────────────────────────── */
#proceso-steps { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px)  { #proceso-steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { #proceso-steps { grid-template-columns: repeat(4, 1fr); } }
.step { display: flex; flex-direction: column; gap: .875rem; }
.step-number { font-size: 2.5rem; font-weight: 800; color: var(--gold-500); letter-spacing: -.04em; line-height: 1; }
.step-body h3 { font-size: 1rem; color: var(--navy-900); margin-bottom: .375rem; }
.step-body p  { font-size: .875rem; color: var(--text-muted); }

/* ── Hablamos CTA ──────────────────────────────────────────────────────── */
.hablamos {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 100%);
  padding: 6rem 0; text-align: center; position: relative; overflow: hidden;
}
.hablamos::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(201,168,76,.07), transparent); }
.hablamos h2 { color: #fff; margin-bottom: .875rem; }
.hablamos p  { color: rgba(255,255,255,.7); font-size: 1.0625rem; margin-bottom: 2.5rem; }
.hablamos-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── FAQ ───────────────────────────────────────────────────────────────── */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: .75rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; padding: 1.25rem 1.5rem; background: none; border: none;
  font-size: .9375rem; font-weight: 600; color: var(--navy-900); text-align: left;
  cursor: pointer; transition: background .2s; gap: 1rem;
}
.faq-question:hover { background: var(--silver-50); }
.faq-chevron { width: 18px; height: 18px; stroke: var(--text-muted); flex-shrink: 0; transition: transform .3s; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.faq-item.open .faq-chevron { transform: rotate(180deg); stroke: var(--navy-500); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-answer-inner { overflow: hidden; padding: 0 1.5rem; font-size: .9375rem; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-answer-inner { padding: 0 1.5rem 1.25rem; }
.faq-item.open { border-color: var(--navy-300); }

/* ── Contacto ──────────────────────────────────────────────────────────── */
.contacto-layout { display: grid; gap: 3rem; align-items: start; }
@media (min-width: 768px) { .contacto-layout { grid-template-columns: 1fr 1.4fr; } }
.contacto-info h2 { margin-bottom: 1rem; }
.contacto-info > p { color: var(--text-muted); margin-bottom: 2rem; }
.contact-options { display: flex; flex-direction: column; gap: .875rem; margin-bottom: 2rem; }
.contact-option { display: flex; align-items: center; gap: .875rem; padding: .875rem 1rem; border-radius: 10px; font-size: .9375rem; transition: background .2s; }
.contact-option-wa { background: #F0FFF4; border: 1px solid #A7F3D0; color: var(--text); }
.contact-option-wa:hover { background: #DCFCE7; }
.contact-option-email { background: var(--silver-100); border: 1px solid var(--border); color: var(--text-muted); }
.contact-option-icon { width: 36px; height: 36px; flex-shrink: 0; }
.contact-option-icon svg { width: 100%; height: 100%; }
.disclaimer { font-size: .8125rem; color: var(--text-muted); line-height: 1.6; font-style: italic; }

.form-card { background: #fff; border-radius: var(--radius); padding: 2rem; border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 480px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-size: .8125rem; font-weight: 600; margin-bottom: .35rem; color: var(--text); }
.form-control { padding: .65rem .875rem; border: 1.5px solid var(--border); border-radius: 8px; font-size: .9375rem; font-family: var(--font); color: var(--text); transition: border-color .2s, box-shadow .2s; background: #fff; }
.form-control:focus { outline: none; border-color: var(--navy-500); box-shadow: 0 0 0 3px rgba(30,58,123,.12); }
.form-control.error { border-color: #DC2626; }
textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.55; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; background-size: 18px; padding-right: 2.5rem; }
.field-error { font-size: .75rem; color: #DC2626; margin-top: .25rem; min-height: 1rem; }
.checkbox-label { display: flex; align-items: flex-start; gap: .625rem; font-size: .875rem; cursor: pointer; }
.checkbox-label input[type="checkbox"] { margin-top: .2rem; flex-shrink: 0; accent-color: var(--navy-500); width: 16px; height: 16px; }
.checkbox-label a { color: var(--navy-500); text-decoration: underline; }
.form-status { padding: 1rem; border-radius: 8px; font-size: .9rem; line-height: 1.5; margin-top: 1rem; display: none; }
.form-status.success { background: #F0FFF4; border: 1px solid #A7F3D0; color: #16A34A; display: block; }
.form-status.error   { background: #FEF2F2; border: 1px solid #FECACA; color: #DC2626; display: block; }

/* ── Footer ────────────────────────────────────────────────────────────── */
.footer { background: var(--navy-950); padding: 4rem 0 0; }
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px)  { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1.5fr 1.5fr; } }
.footer-logo { height: 36px; width: auto; margin-bottom: .75rem; }
.footer-descriptor { color: var(--silver-400); font-size: .875rem; margin-bottom: .25rem; }
.footer-location   { color: var(--silver-500); font-size: .8125rem; margin-bottom: 1.25rem; }
.footer-nav-title  { font-size: .6875rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--gold-400); margin-bottom: .875rem; }
.footer-nav ul li, .footer-services ul li { font-size: .875rem; color: var(--silver-400); margin-bottom: .5rem; }
.footer-nav ul li a { transition: color .2s; }
.footer-nav ul li a:hover { color: #fff; }
.footer-services ul li, .footer-contact p { font-size: .875rem; color: var(--silver-400); margin-bottom: .375rem; }
.footer-bottom { margin-top: 3rem; padding: 1.25rem 0; border-top: 1px solid rgba(255,255,255,.07); display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-bottom p { font-size: .8125rem; color: var(--silver-500); }
.footer-bottom nav { display: flex; gap: 1.25rem; }
.footer-bottom nav a { font-size: .8125rem; color: var(--silver-500); transition: color .2s; }
.footer-bottom nav a:hover { color: var(--silver-300); }

/* ── WhatsApp FAB ──────────────────────────────────────────────────────── */
.wa-fab {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 500;
  width: 56px; height: 56px; border-radius: 50%; background: var(--wa); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4); transition: transform .2s, box-shadow .2s;
  animation: fab-bounce 2.5s ease 3s 2;
}
.wa-fab:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,.5); }
.wa-fab svg { width: 30px; height: 30px; }
@keyframes fab-bounce { 0%,100% { transform: translateY(0); } 30% { transform: translateY(-8px); } 60% { transform: translateY(-4px); } }

/* ── Animaciones ───────────────────────────────────────────────────────── */
[data-animate] { opacity: 0; transform: translateY(24px); transition: opacity .55s ease, transform .55s ease; }
[data-animate].in-view { opacity: 1; transform: translateY(0); }

/* ── Accesibilidad ─────────────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-animate] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}