/* Diagnostic — landing page */

:root {
  --red: #d3121a;
  --red-dark: #a50c12;
  --red-soft: #fdecec;
  --ink: #111318;
  --ink-2: #1b1e25;
  --ink-3: #272b34;
  --text: #2b2f38;
  --muted: #646a78;
  --line: #e4e6eb;
  --bg: #ffffff;
  --bg-alt: #f5f6f8;
  --ok: #17915a;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(17, 19, 24, .06), 0 8px 28px rgba(17, 19, 24, .08);
  --container: 1180px;
  --font-head: "Barlow", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); margin: 0; line-height: 1.12; }
p { margin: 0; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 14px; border-radius: 8px; }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 10px;
  font: 600 15px/1 var(--font-body); text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn i { font-size: 18px; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost { border-color: rgba(255, 255, 255, .28); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--ink); }
.btn-sm { padding: 10px 16px; font-size: 14px; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .25s, box-shadow .25s;
}
.header.scrolled { background: rgba(17, 19, 24, .92); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.brand img { width: 38px; height: 38px; }
.brand span { font: 700 24px/1 var(--font-head); letter-spacing: .3px; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: rgba(255, 255, 255, .78); text-decoration: none; font-size: 15px; font-weight: 500; transition: color .2s; }
.nav ul a:hover { color: #fff; }

.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 28px; cursor: pointer; padding: 4px; }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 76px 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); padding: 8px 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  }
  .nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 16px; }
  .nav .btn { margin-top: 18px; justify-content: center; }
  .header.menu-open { background: var(--ink); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(211, 18, 26, .28), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(211, 18, 26, .10), transparent 60%),
    var(--ink);
  color: rgba(255, 255, 255, .78);
  padding: 150px 0 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent 90%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 13px/1 var(--font-body); letter-spacing: 1.4px; text-transform: uppercase; color: var(--red);
}
.hero .eyebrow { color: #ff6b70; background: rgba(211, 18, 26, .14); padding: 8px 12px; border-radius: 99px; }

.hero h1 { color: #fff; font-size: clamp(38px, 5.4vw, 62px); font-weight: 700; letter-spacing: -.5px; margin: 0 0 20px; }
.hero h1 .eyebrow { display: flex; width: fit-content; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero-lead { font-size: 18px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 30px; font-size: 14px; color: rgba(255, 255, 255, .6); }
.hero-tags span { display: inline-flex; align-items: center; gap: 6px; }
.hero-tags i { color: var(--red); font-size: 16px; }

/* Record mockup */
.record {
  background: #fff; color: var(--text); border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
  padding: 22px; position: relative;
}
.record-head { display: flex; align-items: center; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.record-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--red-soft); color: var(--red); display: grid; place-items: center; font-size: 24px; flex: none; }
.record-title { font: 700 20px/1.12 var(--font-head); color: var(--ink); }
.record-head small { color: var(--muted); font-size: 13px; }
.plate { margin-left: auto; font: 700 14px/1 var(--font-head); letter-spacing: 1.5px; border: 2px solid var(--ink); border-radius: 6px; padding: 6px 9px; background: #fff; white-space: nowrap; }

.timeline { list-style: none; margin: 16px 0 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 14px 1fr auto; gap: 14px; padding: 12px 0; position: relative; }
.timeline li::before { content: ""; position: absolute; left: 6px; top: 30px; bottom: -12px; width: 2px; background: var(--line); }
.timeline li:last-child::before { display: none; }
.timeline .dot { width: 14px; height: 14px; border-radius: 50%; border: 3px solid var(--red); background: #fff; margin-top: 4px; }
.timeline strong { display: block; font-size: 15px; color: var(--ink); }
.timeline span { font-size: 13px; color: var(--muted); }
.timeline time { font-size: 13px; color: var(--muted); white-space: nowrap; }
.badge-ok { display: inline-flex; align-items: center; gap: 4px; color: var(--ok) !important; font-weight: 600; }

.qr-chip {
  position: absolute; right: -18px; bottom: -22px;
  display: flex; align-items: center; gap: 10px;
  background: var(--ink-2); color: #fff; border: 1px solid rgba(255, 255, 255, .1);
  padding: 12px 16px; border-radius: 14px; box-shadow: 0 16px 40px rgba(0, 0, 0, .4); font-size: 13px; line-height: 1.3;
}
.qr-chip i { font-size: 30px; color: #fff; }
.qr-chip b { display: block; font-size: 14px; }

/* Stats */
.stats {
  position: relative; margin-top: 90px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .1);
}
.stat { padding: 30px 8px 36px; }
.stat + .stat { border-left: 1px solid rgba(255, 255, 255, .1); padding-left: 28px; }
.stat b { display: block; font: 700 44px/1 var(--font-head); color: #fff; }
.stat span { font-size: 14px; color: rgba(255, 255, 255, .6); }

@media (max-width: 960px) {
  .hero { padding-top: 120px; }
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .qr-chip { right: 12px; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: 70px; }
  .stat:nth-child(3) { border-left: 0; padding-left: 8px; }
  .stat:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .1); }
}
@media (max-width: 480px) {
  .hero .eyebrow { font-size: 11.5px; letter-spacing: .6px; }
  .record { padding: 18px; }
  .plate { display: none; }
  .qr-chip { position: static; margin-top: 14px; box-shadow: none; }
  .stat b { font-size: 36px; }
  .stat + .stat { padding-left: 18px; }
}

/* ---------- Sections ---------- */
.section { padding: 110px 0; }
.section.alt { background: var(--bg-alt); }
.section.dark { background: var(--ink); color: rgba(255, 255, 255, .72); }
.section.dark h2, .section.dark h3 { color: #fff; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head h2 { font-size: clamp(32px, 4vw, 46px); font-weight: 700; margin: 14px 0 16px; letter-spacing: -.3px; }
.section-head p { font-size: 18px; color: var(--muted); }
.section.dark .section-head p { color: rgba(255, 255, 255, .6); }

@media (max-width: 700px) {
  .section { padding: 76px 0; }
  .section-head { margin-bottom: 40px; }
}

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4 / 3.2; }
.about-img picture { display: contents; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-text p + p { margin-top: 16px; }
.about-text .big { font-size: 20px; color: var(--ink); line-height: 1.5; }
.pillars { display: grid; gap: 18px; margin-top: 32px; }
.pillar { display: flex; gap: 16px; }
.pillar i { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--red-soft); color: var(--red); display: grid; place-items: center; font-size: 22px; }
.pillar h3 { font-size: 19px; margin-bottom: 2px; }
.pillar p { font-size: 15px; color: var(--muted); }

@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; position: relative;
}
.step-num { font: 700 64px/1 var(--font-head); color: var(--red); opacity: .16; position: absolute; top: 20px; right: 26px; }
.step > i { font-size: 30px; color: var(--red); }
.step h3 { font-size: 23px; margin: 18px 0 10px; }
.step > p { color: var(--muted); font-size: 15px; }
.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; font-size: 15px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks li::before { content: "\eb7b"; font-family: remixicon; color: var(--red); font-size: 18px; line-height: 1.4; }

@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }

/* Vehicles */
.vehicles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius-lg); overflow: hidden; }
.vehicle { background: var(--ink); padding: 34px 30px; transition: background .25s; }
.vehicle:hover { background: var(--ink-2); }
.vehicle i { font-size: 34px; color: var(--red); }
.vehicle h3 { font-size: 22px; margin: 16px 0 8px; }
.vehicle p { font-size: 15px; }

@media (max-width: 900px) { .vehicles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .vehicles { grid-template-columns: 1fr; } }

/* Audience split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel { border-radius: var(--radius-lg); padding: 40px; background: #fff; border: 1px solid var(--line); }
.panel.feature { background: var(--ink); border-color: var(--ink); color: rgba(255, 255, 255, .72); }
.panel.feature h3 { color: #fff; }
.panel .eyebrow { margin-bottom: 12px; }
.panel h3 { font-size: 30px; margin-bottom: 12px; }
.panel > p { color: var(--muted); }
.panel.feature > p { color: rgba(255, 255, 255, .65); }
.feature-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; font-size: 15px; }
.feature-list li { display: flex; gap: 10px; align-items: flex-start; }
.feature-list i { color: var(--red); font-size: 18px; line-height: 1.4; }

.benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 24px; margin-top: 28px; }
.benefit h4 { font-size: 18px; display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.benefit h4 i { color: var(--red); font-size: 20px; }
.benefit p { font-size: 14.5px; color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.chip { font-size: 13.5px; padding: 7px 12px; border-radius: 99px; background: var(--bg-alt); border: 1px solid var(--line); }

@media (max-width: 960px) { .split { grid-template-columns: 1fr; } }
@media (max-width: 520px) {
  .panel { padding: 28px 22px; }
  .feature-list, .benefits { grid-template-columns: 1fr; }
}

/* Kit */
.kit { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }
.kit-item { display: flex; gap: 16px; padding: 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.kit-item i { flex: none; font-size: 26px; color: var(--red); }
.kit-item h4 { font-size: 18px; margin-bottom: 4px; }
.kit-item p { font-size: 14.5px; color: var(--muted); }
@media (max-width: 900px) { .kit { grid-template-columns: 1fr; } }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 30px; background: #fff; }
.plan.highlight { border: 2px solid var(--red); box-shadow: var(--shadow); position: relative; }
.plan.highlight::before {
  content: "Para empresas"; position: absolute; top: -13px; left: 30px;
  background: var(--red); color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .6px; text-transform: uppercase; padding: 5px 10px; border-radius: 6px;
}
.plan h3 { font-size: 22px; }
.plan .who { font-size: 14.5px; color: var(--muted); margin-top: 4px; min-height: 46px; }
.price { margin: 22px 0; font-family: var(--font-head); color: var(--ink); }
.price b { font-size: 48px; font-weight: 700; line-height: 1; }
.price small { font-family: var(--font-body); font-size: 14px; color: var(--muted); margin-left: 4px; }
.plan .checks { margin: 0 0 28px; flex: 1; align-content: start; }
.plan .btn { justify-content: center; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; } .plan .who { min-height: 0; } }

/* Testimonials */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote { margin: 0; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; }
.quote .stars { color: #f5a623; font-size: 15px; letter-spacing: 2px; }
.quote blockquote { margin: 14px 0 24px; font-size: 16px; color: var(--ink); flex: 1; }
.quote footer { display: flex; align-items: center; gap: 12px; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--red-soft); color: var(--red); display: grid; place-items: center; font: 700 16px/1 var(--font-head); flex: none; }
.quote cite { font-style: normal; font-weight: 600; color: var(--ink); display: block; font-size: 15px; }
.quote footer div > span { font-size: 13.5px; color: var(--muted); }
.quote.wide { grid-column: span 3; flex-direction: row; gap: 30px; align-items: center; }
.quote.wide blockquote { margin: 0; font-size: 19px; }
@media (max-width: 960px) {
  .quotes { grid-template-columns: 1fr; }
  .quote.wide { grid-column: auto; flex-direction: column; align-items: stretch; gap: 0; }
  .quote.wide blockquote { margin: 14px 0 24px; font-size: 16px; }
}

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 24px 44px 24px 0; position: relative;
  font: 600 19px/1.35 var(--font-head); color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "\ea13"; font-family: remixicon; position: absolute; right: 4px; top: 22px;
  font-size: 22px; color: var(--red); transition: transform .25s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 0 26px; color: var(--muted); }
.faq .answer p + p { margin-top: 10px; }

/* CTA + contact */
.cta {
  border-radius: var(--radius-lg); padding: 56px;
  background: radial-gradient(600px 300px at 100% 0%, rgba(255, 255, 255, .18), transparent 60%), var(--red);
  color: rgba(255, 255, 255, .9);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
}
.cta h2 { color: #fff; font-size: clamp(30px, 3.6vw, 42px); margin-bottom: 12px; }
.cta .phones { display: grid; gap: 12px; }
.cta .phones a {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
  background: rgba(0, 0, 0, .16); border-radius: 12px; padding: 16px 18px; color: #fff; font-weight: 600; transition: background .2s;
}
.cta .phones a:hover { background: rgba(0, 0, 0, .28); }
.cta .phones i { font-size: 22px; }
.cta .phones small { display: block; font-weight: 400; opacity: .75; font-size: 13px; }
.cta { align-items: start; grid-template-columns: 1fr 1.1fr; }
.cta > div > p { margin-bottom: 28px; }
@media (max-width: 860px) { .cta { grid-template-columns: 1fr; padding: 36px 20px; } }

/* Lead form */
.lead-form { background: #fff; color: var(--text); border-radius: var(--radius-lg); padding: 30px; box-shadow: 0 20px 50px rgba(0, 0, 0, .18); }
.lead-title { font: 700 24px/1.15 var(--font-head); color: var(--ink); }
.lead-sub { font-size: 14.5px; color: var(--muted); margin: 4px 0 20px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 15px/1.4 var(--font-body); color: var(--ink);
  padding: 11px 13px; border: 1px solid #d6d9e0; border-radius: 10px; background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(211, 18, 26, .15); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.lead-form .btn-primary { width: 100%; justify-content: center; margin-top: 4px; }
.lead-form .btn-primary:disabled { opacity: .7; cursor: wait; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 12px; }
.form-error { background: var(--red-soft); color: var(--red-dark); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin-bottom: 12px; }
.form-error a { color: var(--red-dark); font-weight: 600; }
.lead-done { text-align: center; padding: 30px 4px; }
.lead-done > i { font-size: 56px; color: var(--ok); }
.lead-done .lead-sub { margin: 8px 0 24px; }
.btn-wa { background: #25d366; color: #0b3d20; }
.btn-wa:hover { background: #1ebe5b; }
@media (max-width: 520px) {
  .lead-form { padding: 24px 18px; }
  .field-row { grid-template-columns: 1fr; }
}

/* WhatsApp flutuante */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 45;
  display: flex; align-items: center; gap: 10px;
  height: 58px; padding: 0 17px; border-radius: 99px;
  background: #25d366; color: #fff; text-decoration: none;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .4), 0 2px 6px rgba(0, 0, 0, .15);
  font: 600 15px/1 var(--font-body);
  transition: transform .2s, box-shadow .2s;
}
.wa-float i { font-size: 26px; }
.wa-float span { max-width: 0; overflow: hidden; white-space: nowrap; transition: max-width .3s ease; }
.wa-float:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(37, 211, 102, .5), 0 2px 6px rgba(0, 0, 0, .15); }
.wa-float:hover span, .wa-float:focus-visible span { max-width: 160px; }
.wa-float::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; border: 2px solid #25d366;
  animation: wa-pulse 2.4s ease-out infinite; pointer-events: none;
}
@keyframes wa-pulse { 0% { opacity: .7; transform: scale(1); } 70%, 100% { opacity: 0; transform: scale(1.35); } }
@media (min-width: 961px) { .wa-float span { max-width: 160px; } }


/* Footer */
.footer { background: var(--ink); color: rgba(255, 255, 255, .6); padding: 72px 0 32px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.footer .footer-title { color: #fff; font: 700 17px/1.12 var(--font-head); margin-bottom: 12px; }
.footer p { line-height: 1.7; }
.footer a { color: rgba(255, 255, 255, .8); text-decoration: none; }
.footer a:hover { color: #fff; }
.footer .brand { margin-bottom: 16px; }
.footer-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .08); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 14px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr; } }

.to-top {
  position: fixed; right: 25px; bottom: 90px; z-index: 40;
  width: 44px; height: 44px; border-radius: 12px; border: 0;
  background: var(--red); color: #fff; font-size: 22px; display: grid; place-items: center; text-decoration: none;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.to-top.show { opacity: 1; pointer-events: auto; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wa-float::before { animation: none; display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}