/*
 * Landing Staff Syncro (www.staffsyncro.cl).
 * Paleta y tipografía de la app 3.0 (staffsyncro3/frontend/src/index.css):
 *   marca #2c3e50 / #34495e, degradado a #1a252f, acento #3498db, grises Bootstrap, Inter.
 */

:root {
  --brand-950: #141d25;
  --brand-900: #1a252f;
  --brand-800: #2c3e50;
  --brand-700: #34495e;
  --brand-600: #46627d;
  --brand-200: #cfd8e1;
  --brand-100: #e6ecf1;
  --brand-50: #f3f6f9;

  --c-bg: #f8f9fa;
  --c-surface: #ffffff;
  --c-surface-muted: #f1f3f5;
  --c-border: #dee2e6;
  --c-text: #212529;
  --c-text-muted: #6c757d;
  --c-brand: var(--brand-800);
  --c-brand-hover: var(--brand-700);
  --c-brand-soft: var(--brand-100);
  --c-accent: #3498db;
  --c-accent-hover: #2a86c4;
  --c-success: #198754;
  --c-nav-text: #c3cdd7;
  --c-focus: rgba(52, 152, 219, 0.45);

  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 29, 37, 0.06), 0 8px 24px rgba(20, 29, 37, 0.08);
  --shadow-lg: 0 24px 60px rgba(10, 16, 22, 0.35);
  --nav-h: 68px;
  --gutter: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #10171e;
    --c-surface: #17212b;
    --c-surface-muted: #1d2935;
    --c-border: #2a3947;
    --c-text: #e7ecf1;
    --c-text-muted: #9aa8b6;
    --c-brand: #5d86ad;
    --c-brand-hover: #6f97bd;
    --c-brand-soft: #1f3040;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
svg { flex-shrink: 0; }
:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; border-radius: 6px; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
@media (min-width: 768px) { :root { --gutter: 24px; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.3rem; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: .98rem; text-decoration: none; cursor: pointer;
  transition: background .15s, transform .15s, border-color .15s;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: .5rem .95rem; font-size: .9rem; }
.btn-primary { background: var(--brand-700); color: #fff; border-color: rgba(255,255,255,.12); }
.btn-primary:hover { background: var(--brand-600); }
.btn-accent { background: var(--c-accent); color: #fff; }
.btn-accent:hover { background: var(--c-accent-hover); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(26, 37, 47, .92); backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: #fff; }
.brand-logo { width: 36px; height: 36px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.05rem; font-weight: 700; }
.brand-text small { font-size: .72rem; color: var(--c-nav-text); }
.menu { display: flex; align-items: center; gap: 1.5rem; }
.menu ul { display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0; }
.menu ul a { color: var(--c-nav-text); text-decoration: none; font-size: .93rem; font-weight: 500; }
.menu ul a:hover { color: #fff; }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 22px; height: 2px; margin: 5px 0; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; }

@media (max-width: 900px) {
  .burger { display: block; }
  .menu {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: .75rem;
    padding: 1rem var(--gutter) 1.25rem; background: var(--brand-900);
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: none;
  }
  .menu.open { display: flex; }
  .menu ul { flex-direction: column; gap: 0; }
  .menu ul a { display: block; padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(52,152,219,.22), transparent 60%),
    linear-gradient(160deg, var(--brand-800) 0%, var(--brand-900) 55%, var(--brand-950) 100%);
  padding: 72px 0 88px;
}
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
@media (min-width: 1000px) { .hero-grid { grid-template-columns: 0.95fr 1.05fr; } .hero { padding: 96px 0 112px; } }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 800; }
.accent { color: #6cb6ea; }
.lead { font-size: 1.1rem; color: var(--c-nav-text); max-width: 38rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.75rem 0 1.5rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; list-style: none; padding: 0; margin: 0; font-size: .9rem; color: var(--c-nav-text); }
.hero-meta li { display: inline-flex; align-items: center; gap: .45rem; }
.hero-meta svg { width: 18px; height: 18px; fill: none; stroke: #6cb6ea; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.hero-visual { position: relative; }
.glow { position: absolute; inset: -10% -5%; background: radial-gradient(closest-side, rgba(52,152,219,.35), transparent); filter: blur(30px); z-index: 0; }

.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--c-accent); background: rgba(52,152,219,.1); padding: .3rem .7rem; border-radius: 999px; margin-bottom: 1rem;
}
.eyebrow-dark { color: #9fd0f2; background: rgba(52,152,219,.18); }

/* Marco tipo navegador para las capturas */
.frame {
  position: relative; z-index: 1; margin: 0; border-radius: 12px; overflow: hidden;
  background: var(--brand-950); border: 1px solid rgba(255,255,255,.1); box-shadow: var(--shadow-lg);
}
.frame-bar { display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; background: #0f161d; }
.frame-bar span { width: 10px; height: 10px; border-radius: 50%; background: #3a4a5a; }
.frame-bar em { margin-left: 10px; font-style: normal; font-size: .72rem; color: #8796a5; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- Franja ---------- */
.strip { background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
.strip-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 640px) { .strip-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .strip-grid { grid-template-columns: repeat(4, 1fr); } }
.strip-item { padding: 1.5rem 1rem; border-bottom: 1px solid var(--c-border); }
@media (min-width: 1000px) { .strip-item { border-bottom: 0; border-right: 1px solid var(--c-border); } .strip-item:last-child { border-right: 0; } }
.strip-item strong { display: block; font-size: 1.25rem; color: var(--c-brand); }
.strip-item span { font-size: .9rem; color: var(--c-text-muted); }

/* ---------- Secciones ---------- */
.section { padding: 80px 0; }
.section.alt { background: var(--c-surface-muted); }
.section-head { max-width: 46rem; margin: 0 auto 3rem; text-align: center; }
.section-head h2, .contact h2, .v3-grid h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; }
.section-head p { color: var(--c-text-muted); font-size: 1.05rem; }
.muted { color: var(--c-text-muted); font-size: .93rem; }

.pillars { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 700px) { .pillars { grid-template-columns: repeat(2, 1fr); } .pillar-wide { grid-column: 1 / -1; } }
.pillar {
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 1.75rem; box-shadow: var(--shadow);
}
.pillar h3 { font-size: 1.3rem; }
.pillar ul { margin: 0 0 1em; padding-left: 1.15rem; }
.pillar li { margin: .3rem 0; }
.pillar li::marker { color: var(--c-accent); }
.pillar-icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 1rem;
  background: var(--c-brand-soft); color: var(--c-brand);
}
.pillar-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@media (min-width: 900px) { .cols-2 { columns: 2; column-gap: 2.5rem; } .cols-2 li { break-inside: avoid; } }

/* ---------- Pantallas ---------- */
.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-bottom: 1.75rem; }
.tabs button {
  font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer;
  padding: .5rem .95rem; border-radius: 999px; border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-text-muted);
}
.tabs button:hover { color: var(--c-text); }
.tabs button[aria-selected="true"] { background: var(--brand-800); border-color: var(--brand-800); color: #fff; }
.showcase { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
@media (min-width: 1000px) { .showcase { grid-template-columns: 1.6fr 1fr; } }
.zoom { display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.zoom img { transition: opacity .2s; }
.showcase-text h3 { font-size: 1.4rem; }
.showcase-text p { color: var(--c-text-muted); }

/* ---------- Beneficios ---------- */
.benefits { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .benefits { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .benefits { grid-template-columns: repeat(3, 1fr); } }
.benefits li {
  position: relative; padding: 1.25rem 1.25rem 1.25rem 3.25rem; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text-muted); font-size: .95rem;
}
.benefits li::before {
  content: ""; position: absolute; left: 1.15rem; top: 1.35rem; width: 22px; height: 22px; border-radius: 50%;
  background: var(--c-brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233498db' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center / 13px no-repeat;
}
.benefits strong { display: block; color: var(--c-text); font-size: 1.02rem; margin-bottom: .2rem; }

/* ---------- Nueva versión ---------- */
/* Clientes: logos en escala de grises sobre fondo blanco (también en modo oscuro), color al pasar el mouse */
.clientes { display: grid; gap: 20px; }
.clientes-grupo { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1.25rem; }
.clientes-grupo-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem .75rem; margin-bottom: 1rem; }
.clientes-grupo-head h3 { margin: 0; font-size: 1.15rem; font-weight: 800; }
.clientes-grupo-head span { color: var(--c-text-muted); font-size: .92rem; }
.logos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(124px, 1fr)); gap: 10px; }
.logo { display: flex; align-items: center; justify-content: center; height: 76px; padding: 12px 14px; background: #fff; border: 1px solid #e9ecef; border-radius: 10px; }
.logo img { display: block; width: auto; height: auto; max-width: 100%; max-height: 40px; object-fit: contain; filter: grayscale(1); opacity: .72; transition: filter .25s ease, opacity .25s ease; }
.logo-claro img { filter: grayscale(1) brightness(.5) contrast(1.2); }
.logo:hover img { filter: none; opacity: 1; }
@media (prefers-color-scheme: dark) { .logo { border-color: transparent; } .logo img { opacity: .85; } }
@media (prefers-reduced-motion: reduce) { .logo img { transition: none; } }
@media (max-width: 520px) { .logos { grid-template-columns: repeat(3, 1fr); gap: 8px; } .logo { height: 60px; padding: 8px; } .logo img { max-height: 30px; } .clientes-grupo { padding: 1rem; } }

/* Preguntas frecuentes */
.faq { max-width: 52rem; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 0 1.25rem; }
.faq-item summary { cursor: pointer; list-style: none; font-weight: 700; padding: 1.1rem 2rem 1.1rem 0; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.4rem; font-weight: 400; color: var(--c-accent); }
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 4px; border-radius: 6px; }
.faq-item p { margin: 0 0 1.1rem; color: var(--c-text-muted); }

.section.dark { color: #fff; background: linear-gradient(160deg, var(--brand-900), var(--brand-950)); }
.v3-grid { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
@media (min-width: 1000px) { .v3-grid { grid-template-columns: 1fr 1.1fr; } }
.checks { list-style: none; padding: 0; margin: 0 0 2rem; }
.checks li { position: relative; padding-left: 2rem; margin: .65rem 0; color: #dbe3ea; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .2rem; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(52,152,219,.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236cb6ea' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* ---------- Contacto ---------- */
.contact {
  display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 16px; padding: 2rem 1.25rem; box-shadow: var(--shadow);
}
@media (min-width: 900px) { .contact { grid-template-columns: 1fr 1fr; padding: 3rem; } }
.contact p { color: var(--c-text-muted); }
.contact-cards { display: grid; gap: 12px; }
.contact-card {
  display: flex; align-items: center; gap: 1rem; padding: 1rem 1.15rem; border-radius: 12px; text-decoration: none;
  border: 1px solid var(--c-border); background: var(--c-surface-muted); font-weight: 600; word-break: break-word;
  transition: border-color .15s, transform .15s;
}
.contact-card:hover { border-color: var(--c-accent); transform: translateY(-1px); }
.contact-card svg { width: 22px; height: 22px; fill: none; stroke: var(--c-accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.contact-card small { display: block; font-weight: 500; font-size: .78rem; color: var(--c-text-muted); }

/* Contacto con formulario */
@media (min-width: 900px) { .contact-con-form { grid-template-columns: 1fr 1.15fr; align-items: start; } }
.contact-cards-sm { margin-top: 1.5rem; }
.contact-cards-sm .contact-card { padding: .75rem 1rem; font-size: .95rem; }
.contact-form { display: grid; gap: 14px; min-width: 0; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 560px) { .form-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; min-width: 0; }
.field em { font-style: normal; font-weight: 400; color: var(--c-text-muted); }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: .95rem; font-weight: 400; color: var(--c-text);
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 10px; padding: .65rem .8rem;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px var(--c-focus); }
.check { display: flex; gap: .55rem; align-items: flex-start; font-size: .88rem; color: var(--c-text-muted); }
.check input { margin-top: .2rem; accent-color: var(--c-accent); }
.check a, .legal a { color: var(--c-accent); }
.contact-form .btn { justify-self: start; }
.contact-form .btn:disabled { opacity: .6; cursor: wait; }
.form-status { margin: 0; font-size: .9rem; min-height: 1.3em; }
.form-status.ok { color: var(--c-success); font-weight: 600; }
.form-status.error { color: #dc3545; font-weight: 600; }

/* ---------- Página legal (política de privacidad) ---------- */
.legal-hero { background: linear-gradient(160deg, var(--brand-800), var(--brand-900)); color: #fff; padding: 56px 0 48px; }
.legal-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: .6rem 0 .8rem; color: #fff; }
.legal-hero p { color: var(--c-nav-text); max-width: 46rem; margin: 0; }
.legal-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.legal-meta span { font-size: .8rem; padding: .25rem .7rem; border-radius: 999px; background: rgba(255,255,255,.1); color: #fff; }
.legal-grid { display: grid; grid-template-columns: 1fr; gap: 40px; padding-top: 48px; padding-bottom: 80px; }
@media (min-width: 980px) { .legal-grid { grid-template-columns: 240px 1fr; } }
.legal-toc { align-self: start; font-size: .9rem; }
@media (min-width: 980px) { .legal-toc { position: sticky; top: calc(var(--nav-h) + 24px); } }
.legal-toc h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--c-text-muted); margin: 0 0 .6rem; }
.legal-toc ol { margin: 0; padding-left: 1.2rem; display: grid; gap: .35rem; }
.legal-toc a { color: var(--c-text); text-decoration: none; }
.legal-toc a:hover { color: var(--c-accent); }
.legal { min-width: 0; max-width: 52rem; }
.legal section { padding-bottom: 1.5rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--c-border); }
.legal section:last-child { border-bottom: 0; }
.legal h2 { font-size: 1.35rem; margin: 0 0 .8rem; }
.legal h2 small { color: var(--c-accent); font-size: .85rem; margin-right: .5rem; }
.legal h3 { font-size: 1.02rem; margin: 1.4rem 0 .5rem; }
.legal p, .legal li { color: var(--c-text); }
.legal ul { padding-left: 1.2rem; }
.legal li { margin: .35rem 0; }
.table-wrap { overflow-x: auto; margin: .8rem 0 1rem; border: 1px solid var(--c-border); border-radius: 10px; }
.legal table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: .7rem .9rem; border-bottom: 1px solid var(--c-border); }
.legal th { background: var(--c-surface-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--c-text-muted); }
.legal tr:last-child td { border-bottom: 0; }
.legal td:first-child { font-weight: 600; width: 32%; }
.callout { border-left: 3px solid var(--c-accent); background: var(--c-surface-muted); padding: .9rem 1.1rem; border-radius: 0 10px 10px 0; margin: 1rem 0; }
.callout p { margin: 0; }
.legal-form { margin-top: 1rem; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 14px; padding: 1.5rem 1.25rem; }

/* ---------- Footer ---------- */
.footer { background: var(--brand-950); color: var(--c-nav-text); padding: 56px 0 24px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: .8rem; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin: .4rem 0; }
.footer a { text-decoration: none; }
.footer a:hover { color: #fff; }
.footer-note { margin-top: 1rem; }
.footer-note a { text-decoration: underline; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); font-size: .82rem; color: #8796a5; }

/* ---------- Visor ---------- */
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(96vw, 1440px); width: 100%; }
.lightbox::backdrop { background: rgba(10, 16, 22, .85); }
.lightbox img { width: 100%; border-radius: 10px; box-shadow: var(--shadow-lg); }
.lightbox-close {
  position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(20,29,37,.85); color: #fff; font-size: 1.6rem; line-height: 1;
}

/* ---------- Aparición al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}
.no-js .reveal { opacity: 1; transform: none; }