/* Classe A Contabilidade — Static site
   Vanilla CSS reproducing the design tokens, layout and animations. */

:root {
  --radius: 0.75rem;
  --background: #f9f9fb;
  --foreground: #14172b;
  --card: #ffffff;
  --muted: #f2f3f6;
  --muted-foreground: #6a6f80;
  --border: #e6e7ec;
  --accent: #f2ecdd;
  --gold: #d5ac5a;
  --gold-2: #b9903f;
  --gold-foreground: #1a1f3a;
  --navy: #1a1f3a;
  --navy-deep: #10142a;
  --primary: #1a1f3a;
  --primary-foreground: #f9f9fb;

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; border-color: var(--border); }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.02em; font-weight: 500; line-height: 1.1; }
::selection { background: var(--gold); color: var(--navy-deep); }

/* Utility */
.container-x { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 768px) { .container-x { padding-inline: 2.5rem; } }
@media (min-width: 1280px) { .container-x { padding-inline: 4rem; } }
.max-6xl { max-width: 1120px; }
.max-4xl { max-width: 900px; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }
.italic { font-style: italic; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.hidden-md { display: none; }
@media (min-width: 1024px) { .hidden-md { display: inline-flex; } .lg-hidden { display: none !important; } }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 1rem;
  background: var(--primary); color: var(--primary-foreground);
  padding: 0.5rem 1rem; border-radius: 8px; z-index: 100;
}
.skip-link:focus { left: 1rem; }

/* ============ Navigation ============ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .5s ease, backdrop-filter .5s ease, border-color .5s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(249,249,251,0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-color: rgba(230,231,236,0.7);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
@media (min-width: 768px) { .nav-inner { height: 80px; } }
.brand img { height: 32px; width: auto; transition: transform .3s ease; }
@media (min-width: 768px) { .brand img { height: 40px; } }
.brand:hover img { transform: scale(1.02); }

.nav-links { display: none; align-items: center; gap: 4px; }
@media (min-width: 1024px) { .nav-links { display: flex; } }
.nav-links a {
  padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 500;
  color: rgba(20,23,43,0.75); transition: background .2s ease, color .2s ease;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--muted); color: var(--foreground);
}

.btn { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; font-weight: 600; font-size: 14px; transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease; white-space: nowrap; }
.btn-primary { background: var(--navy); color: var(--gold); padding: 10px 20px; box-shadow: 0 6px 20px -8px rgba(26,31,58,.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -10px rgba(26,31,58,.35); }
.btn-outline { border: 1px solid var(--border); background: #fff; color: var(--foreground); padding: 10px 20px; }
.btn-outline:hover { transform: translateY(-2px); border-color: rgba(20,23,43,.35); }
.btn-gold { background: var(--gold); color: var(--navy-deep); padding: 12px 24px; box-shadow: 0 8px 24px -8px rgba(213,172,90,.5); }
.btn-gold:hover { transform: translateY(-2px); }
.btn-lg { padding: 14px 28px; font-size: 14px; }
.btn-xl { padding: 16px 28px; }

.menu-toggle {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 999px;
}
.menu-toggle:hover { background: var(--muted); }
@media (min-width: 1024px) { .menu-toggle { display: none; } }

.mobile-menu {
  overflow: hidden; max-height: 0; opacity: 0;
  transition: max-height .5s ease, opacity .5s ease;
}
.mobile-menu.open { max-height: 80vh; opacity: 1; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--border); padding-top: 16px; margin-top: 8px; }
.mobile-menu a {
  display: block; padding: 14px 16px; border-radius: 12px;
  font-family: var(--font-display); font-size: 24px; color: rgba(20,23,43,.9);
}
.mobile-menu a:hover, .mobile-menu a.active { background: var(--muted); }
.mobile-menu .btn { margin-top: 20px; width: 100%; justify-content: center; padding: 14px 24px; }

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden;
  padding: 128px 0 96px;
}
@media (min-width: 768px) { .hero { padding: 160px 0 128px; } }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(242,236,221,.6), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(197,205,232,.45), transparent 60%);
}
.hero-grid { display: grid; gap: 56px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 7fr 5fr; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.6);
  backdrop-filter: blur(8px);
  font-size: 12px; font-weight: 500; color: rgba(20,23,43,.7);
}
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); display: inline-block; }
.eyebrow-navy { color: var(--navy); text-transform: uppercase; letter-spacing: 0.22em; font-size: 12px; font-weight: 500; }

h1.hero-title {
  margin-top: 24px; font-family: var(--font-display); font-weight: 500;
  font-size: clamp(42px, 6vw, 72px); line-height: 1.02; letter-spacing: -0.02em;
}
h1.hero-title .italic { color: var(--navy); }
.hero-desc { margin-top: 24px; max-width: 560px; color: var(--muted-foreground); font-size: 18px; }

.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-links { margin-top: 32px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; font-size: 14px; color: var(--muted-foreground); }
.link-underline { position: relative; display: inline-flex; align-items: center; gap: 6px; }
.link-underline::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }
.divider-v { width: 1px; height: 16px; background: var(--border); display: none; }
@media (min-width: 640px) { .divider-v { display: block; } }

/* Hero card */
.hero-card-wrap { position: relative; max-width: 460px; margin-inline: auto; }
.hero-card {
  position: relative; overflow: hidden;
  border-radius: 28px; padding: 32px; color: #fff;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(65,73,111,.8), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(213,172,90,.15), transparent 60%),
    linear-gradient(180deg, var(--navy-deep), var(--navy));
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.35);
}
.hero-card-glow {
  position: absolute; bottom: -24px; right: -16px; width: 112px; height: 112px; border-radius: 50%;
  background: var(--gold); opacity: 0.35; filter: blur(48px);
}
.hero-card-head { display: flex; align-items: center; justify-content: space-between; }
.hero-card-head p { font-size: 11px; text-transform: uppercase; letter-spacing: 0.22em; color: rgba(255,255,255,.6); }
.chip-gold { background: var(--gold); color: var(--navy-deep); font-size: 10px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.hero-big-number { margin-top: 32px; font-family: var(--font-display); font-size: 48px; line-height: 1; }
.hero-big-caption { margin-top: 8px; font-size: 14px; color: rgba(255,255,255,.7); }
.hero-stats { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-stat { border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 12px; }
.hero-stat p:first-child { font-family: var(--font-display); font-size: 24px; }
.hero-stat p:last-child { margin-top: 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.55); }
.hero-check {
  margin-top: 32px; display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.05); padding: 14px; border-radius: 16px;
}
.hero-check-dot { width: 36px; height: 36px; border-radius: 50%; background: var(--gold); color: var(--navy-deep); display: grid; place-items: center; font-weight: 800; }
.hero-check p:first-child { font-size: 14px; font-weight: 500; }
.hero-check p:last-child { font-size: 12px; color: rgba(255,255,255,.55); }

/* Trust bar */
.trust-bar { position: relative; overflow: hidden;
  background: linear-gradient(140deg, #1a1f3a 0%, #14172b 100%); }
.trust-inner {
  display: flex; flex-wrap: nowrap; align-items: center; justify-content: center;
  gap: 12px; padding: 24px 0;
  text-transform: uppercase; font-size: 10px; letter-spacing: 0.12em; color: rgba(255,255,255,.7);
  overflow: hidden;
}
@media (min-width: 768px) { .trust-inner { gap: 20px; font-size: 12px; letter-spacing: .18em; } }
.trust-inner span { white-space: nowrap; }
.trust-inner .dot { color: rgba(212,175,55,.7); }

/* Downloads (navy) */
.downloads-navy { position: relative; overflow: hidden;
  background: linear-gradient(140deg, #1a1f3a 0%, #14172b 100%); padding: 80px 0; }
.downloads-navy .dl-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.downloads-navy .dl-card h3 { color: #fff; }
.downloads-navy .dl-card p { color: rgba(255,255,255,.7); }
.downloads-navy .dl-card .eyebrow { color: rgba(255,255,255,.55); }
.downloads-navy .dl-card a.link-underline { color: var(--gold); }


/* ============ Sections shared ============ */
.section { padding: 96px 0; }
@media (min-width: 768px) { .section { padding: 128px 0; } }
.section-sm { padding: 64px 0; }
h2.section-title {
  margin-top: 16px; font-size: clamp(32px, 4vw, 48px);
  font-weight: 500; letter-spacing: -0.02em; line-height: 1.05;
}
h1.page-title {
  margin-top: 16px; font-size: clamp(40px, 6vw, 72px);
  font-weight: 500; letter-spacing: -0.02em; line-height: 1.05;
}
.section-desc { margin-top: 20px; color: var(--muted-foreground); max-width: 640px; font-size: 18px; }
.grid-2 { display: grid; gap: 40px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.grid-3 { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-4 { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.grid-12 { display: grid; gap: 40px; grid-template-columns: repeat(12, 1fr); }
@media (max-width: 767px) { .grid-12 { grid-template-columns: 1fr; } .grid-12 > * { grid-column: 1 / -1 !important; } }
.col-4 { grid-column: span 4; } .col-5 { grid-column: span 5; } .col-7 { grid-column: span 7; } .col-8 { grid-column: span 8; }

/* Card */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 28px;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease, border-color .35s ease;
  display: block; height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 22px 48px -24px rgba(20,23,43,.25); }
.card h3 { margin-top: 20px; font-size: 20px; }
.card p { margin-top: 8px; font-size: 14px; color: var(--muted-foreground); line-height: 1.6; }
.card .icon-box {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--muted); color: var(--navy);
  transition: background .3s ease, color .3s ease;
}
.card:hover .icon-box { background: var(--navy); color: var(--gold); }
.card .arrow { display: inline-flex; align-items: center; gap: 4px; margin-top: 20px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .18em; color: rgba(20,23,43,.6); }
.card:hover .arrow { color: var(--foreground); }

/* Navy gradient block */
.gradient-navy {
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(65,73,111,.8), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(213,172,90,.15), transparent 60%),
    linear-gradient(180deg, var(--navy-deep), var(--navy));
  color: #fff; position: relative; overflow: hidden;
}
.gradient-navy::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  opacity: .04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence baseFrequency='0.9'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.gradient-navy h2, .gradient-navy h3 { color: #fff; }
.gradient-navy p { color: rgba(255,255,255,.7); }
.hairline-card {
  border: 1px solid rgba(255,255,255,.08); border-radius: 18px; padding: 24px;
  background: rgba(255,255,255,.05); backdrop-filter: blur(8px);
  transition: transform .35s ease, box-shadow .35s ease;
  height: 100%;
}
.hairline-card:hover { transform: translateY(-4px); }
.hairline-card .icon-box { background: var(--gold); color: var(--navy-deep); }

/* Palestras teaser (gold gradient) */
.gold-panel {
  border-radius: 24px; padding: 40px; border: 1px solid var(--border);
  background: linear-gradient(135deg, #f7efd7 0%, #eddfb1 100%);
}
@media (min-width: 768px) { .gold-panel { padding: 64px; } }
.tag-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tag {
  padding: 12px; border-radius: 12px; border: 1px solid rgba(20,23,43,.1);
  background: rgba(255,255,255,.7); text-align: center; font-size: 12px; font-weight: 500; color: rgba(20,23,43,.8);
}

/* Downloads */
.dl-card { display: flex; gap: 20px; align-items: flex-start; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 18px; transition: transform .35s ease, box-shadow .35s ease; }
.dl-card:hover { transform: translateY(-4px); box-shadow: 0 22px 48px -24px rgba(20,23,43,.25); }
.dl-card .icon-lg { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; flex-shrink: 0; }

/* CTA card */
.cta-card { border-radius: 24px; padding: 40px; text-align: center; border: 1px solid var(--border); background: #fff; }
@media (min-width: 768px) { .cta-card { padding: 64px; } }
.cta-card h2 { font-size: clamp(28px, 3vw, 44px); }

.cta-navy {
  border-radius: 24px; padding: 48px 32px; text-align: center; color: #fff;
}
@media (min-width: 768px) { .cta-navy { padding: 80px 64px; } }
.cta-navy h2 { font-size: clamp(32px, 5vw, 56px); max-width: 800px; margin: 16px auto 0; line-height: 1.05; }
.cta-navy p { max-width: 560px; margin: 24px auto 0; }

/* FAQ */
.faq-list { margin-top: 56px; display: flex; flex-direction: column; gap: 12px; }
details.faq {
  background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 24px;
  transition: border-color .3s ease;
}
details.faq[open] { border-color: rgba(20,23,43,.2); }
details.faq summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  font-family: var(--font-display); font-size: 18px; color: var(--foreground);
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq .plus {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border);
  display: grid; place-items: center; font-size: 18px; flex-shrink: 0;
  transition: transform .3s ease;
}
details.faq[open] .plus { transform: rotate(45deg); }
details.faq p { margin-top: 16px; font-size: 14px; color: var(--muted-foreground); line-height: 1.6; }

/* Palestras topics list */
.topic-card { padding: 28px; }
.topic-head { display: flex; align-items: baseline; gap: 16px; }
.topic-num { font-family: var(--font-display); font-size: 30px; color: var(--gold); }
.topic-title { font-family: var(--font-display); font-size: 20px; }
.topic-list { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: rgba(255,255,255,.7); }
.topic-list li { display: flex; gap: 8px; align-items: flex-start; }
.topic-list li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--gold); margin-top: 8px; flex-shrink: 0; }

/* Contact info card */
.info-card { border-radius: 24px; padding: 36px; color: #fff; height: 100%; }
.info-card ul { margin-top: 32px; display: flex; flex-direction: column; gap: 24px; font-size: 14px; }
.info-card li { display: flex; align-items: flex-start; gap: 16px; }
.info-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--gold); color: var(--navy-deep); display: grid; place-items: center; flex-shrink: 0; }
.info-card blockquote {
  margin-top: 40px; padding-left: 20px; border-left: 2px solid var(--gold);
  font-family: var(--font-display); font-style: italic; font-size: 18px; line-height: 1.4; color: rgba(255,255,255,.85);
}

/* Form */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 36px; }
.form-card h2 { margin-top: 12px; font-size: 28px; }
.form-card > p { margin-top: 8px; font-size: 14px; color: var(--muted-foreground); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 32px; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-grid label { display: block; }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid label span { display: block; font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; color: rgba(20,23,43,.7); margin-bottom: 8px; }
.form-grid input, .form-grid textarea {
  width: 100%; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--background); font: inherit; font-size: 14px; transition: border-color .2s ease, box-shadow .2s ease;
}
.form-grid input:focus, .form-grid textarea:focus { outline: none; border-color: rgba(20,23,43,.4); box-shadow: 0 0 0 3px rgba(213,172,90,.4); }
.form-grid textarea { resize: none; min-height: 140px; }

/* About mini cards */
.mini-card { border-radius: 18px; padding: 24px; border: 1px solid var(--border); background: #fff; transition: transform .35s ease, box-shadow .35s ease; }
.mini-card:hover { transform: translateY(-4px); box-shadow: 0 22px 48px -24px rgba(20,23,43,.25); }
.mini-card .label { font-size: 12px; text-transform: uppercase; letter-spacing: .2em; color: var(--muted-foreground); }
.mini-card p:last-child { margin-top: 12px; font-size: 14px; color: rgba(20,23,43,.85); }
.mini-navy { background: var(--navy); color: #fff; border-color: var(--navy); }
.mini-navy .label { color: rgba(255,255,255,.5); }
.mini-navy p:last-child { color: rgba(255,255,255,.85); }
.mini-accent { background: var(--accent); border-color: transparent; }
.mini-accent .label { color: rgba(20,23,43,.6); }

/* Big stat cards */
.stat-card { border: 1px solid var(--border); background: #fff; border-radius: 20px; padding: 32px; }
.stat-card p:first-child { font-family: var(--font-display); font-size: 48px; line-height: 1; }
.stat-card p:last-child { margin-top: 12px; font-size: 14px; color: var(--muted-foreground); }

/* Mission-like check row */
.check-row {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 24px; border-radius: 18px; border: 1px solid var(--border); background: #fff;
  transition: transform .35s ease, box-shadow .35s ease;
}
.check-row:hover { transform: translateY(-4px); box-shadow: 0 22px 48px -24px rgba(20,23,43,.25); }
.check-badge { width: 24px; height: 24px; border-radius: 50%; background: var(--gold); color: var(--navy-deep); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; font-weight: 800; font-size: 12px; }

/* Small feature list */
.feat-list { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.feat-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: rgba(20,23,43,.8); }
.feat-list .check-badge { width: 16px; height: 16px; font-size: 10px; margin-top: 4px; }

/* Palestras hero side card */
.side-card { background: var(--navy); color: #fff; border-radius: 18px; padding: 24px; height: 100%; }
.side-card p { color: rgba(255,255,255,.7); font-size: 14px; margin-top: 24px; }

/* Formacao card */
.formation-card { display: flex; align-items: flex-start; gap: 16px; padding: 24px; border-radius: 18px; border: 1px solid var(--border); background: #fff; transition: transform .35s ease, box-shadow .35s ease; }
.formation-card:hover { transform: translateY(-4px); box-shadow: 0 22px 48px -24px rgba(20,23,43,.25); }
.formation-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--muted); color: var(--navy); display: grid; place-items: center; flex-shrink: 0; }

/* Map */
.map-wrap { border-radius: 24px; overflow: hidden; border: 1px solid var(--border); }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

/* WhatsApp FAB */
.wa-fab {
  position: fixed; bottom: 20px; right: 20px; z-index: 40;
  display: inline-flex; align-items: center; gap: 12px;
  background: #25D366; color: #fff; padding: 12px 20px 12px 12px;
  border-radius: 999px; font-weight: 600; font-size: 14px;
  box-shadow: 0 20px 40px -12px rgba(37,211,102,.5);
  transition: transform .3s ease, box-shadow .3s ease, opacity .5s ease;
  opacity: 0; transform: translateY(20px);
}
.wa-fab.visible { opacity: 1; transform: translateY(0); }
.wa-fab:hover { transform: translateY(-3px); box-shadow: 0 24px 50px -14px rgba(37,211,102,.6); }
.wa-fab .wa-icon { width: 32px; height: 32px; border-radius: 50%; background: rgba(255,255,255,.15); display: grid; place-items: center; }
.wa-fab .wa-label { display: none; }
@media (min-width: 640px) { .wa-fab .wa-label { display: inline; } }

/* Footer */
.site-footer { color: rgba(255,255,255,.85); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 56px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 5fr 3fr 4fr; } }
.footer-brand img { height: 40px; }
@media (min-width: 768px) { .footer-brand img { height: 48px; } }
.footer-brand .desde { margin-top: 16px; font-size: 12px; text-transform: uppercase; letter-spacing: .2em; color: rgba(255,255,255,.5); }
.footer-brand p.about { margin-top: 24px; max-width: 420px; font-size: 14px; color: rgba(255,255,255,.7); line-height: 1.6; }
.socials { margin-top: 24px; display: flex; gap: 12px; }
.socials a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.15); display: grid; place-items: center; transition: border-color .3s ease, color .3s ease; }
.socials a:hover { border-color: var(--gold); color: var(--gold); }
.footer h4 { font-family: var(--font-sans); font-size: 12px; text-transform: uppercase; letter-spacing: .2em; color: rgba(255,255,255,.45); font-weight: 500; margin-bottom: 20px; }
.footer ul { display: flex; flex-direction: column; gap: 12px; font-size: 14px; }
.footer ul a { color: rgba(255,255,255,.75); }
.footer ul a:hover { color: #fff; }
.footer-contact li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: rgba(255,255,255,.8); }
.footer-contact svg { color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  margin-top: 64px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-direction: column; gap: 16px; justify-content: space-between;
  font-size: 12px; color: rgba(255,255,255,.5);
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; align-items: center; } }

/* Reveal animations */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.anim-fade-up { animation: fadeUp .7s cubic-bezier(.2,.7,.2,1) both; }
.anim-fade { animation: fadeIn .9s ease-out both; }
.d-100 { animation-delay: .1s; } .d-200 { animation-delay: .2s; } .d-300 { animation-delay: .3s; } .d-400 { animation-delay: .4s; } .d-500 { animation-delay: .5s; }

/* Icon size baseline */
.i { width: 16px; height: 16px; stroke-width: 2; }
.i-lg { width: 20px; height: 20px; stroke-width: 2; }