:root {
  --ink: #14102a;
  --muted: #5b5674;
  --bg: #ffffff;
  --soft: #f5f3fb;
  --brand: #3b1d8f;
  --brand-deep: #23104f;
  --accent: #ffd84d;
  --line: #e5e1f2;
  --radius: 14px;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* idioma */
html[data-lang="en"] [lang="es"], html[data-lang="es"] [lang="en"] { display: none !important; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { font-weight: 700; font-size: 1.3rem; letter-spacing: .06em; text-decoration: none; color: var(--brand); }
.logo span { color: var(--ink); }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font-size: .92rem; font-weight: 500; color: var(--muted); }
.nav a:hover { color: var(--brand); }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button {
  border: 0; background: transparent; padding: 5px 11px; font: inherit; font-size: .78rem;
  font-weight: 600; color: var(--muted); cursor: pointer;
}
.lang-switch button[aria-pressed="true"] { background: var(--brand); color: #fff; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 6px; cursor: pointer; color: var(--ink); }

/* botones */
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px; border: 0;
  background: var(--accent); color: var(--brand-deep); font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer; transition: transform .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn:disabled { opacity: .6; cursor: wait; }

/* hero */
.hero {
  position: relative; color: #fff; text-align: center;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(255,216,77,.22), transparent 60%),
    radial-gradient(700px 500px at 0% 110%, rgba(140,100,255,.45), transparent 60%),
    linear-gradient(135deg, var(--brand-deep), var(--brand));
  padding: 120px 0 110px;
  overflow: hidden;
}
.hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1.1; margin: 0 0 8px; letter-spacing: .04em; }
.hero .tag { font-size: 1.05rem; color: var(--accent); font-weight: 500; margin: 0 0 28px; }
.hero p.lead { max-width: 720px; margin: 0 auto 14px; color: rgba(255,255,255,.88); }
.hero .btn { margin-top: 22px; }

/* secciones */
section { padding: 96px 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 600; color: var(--brand); margin: 0 0 8px; }
h2 { font-size: clamp(1.8rem, 4vw, 2.4rem); line-height: 1.2; margin: 0 0 18px; }

.about { background: var(--soft); }
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.about p { color: var(--muted); }
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pillar { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.pillar b { display: block; font-size: 1.6rem; color: var(--brand); line-height: 1.2; }
.pillar span { font-size: .88rem; color: var(--muted); }
.about .btn { margin-top: 18px; }

.services { background: linear-gradient(180deg, var(--brand-deep), var(--brand)); color: #fff; text-align: center; }
.services h2 { color: var(--accent); }
.services .intro { max-width: 680px; margin: 0 auto 52px; color: rgba(255,255,255,.82); }
.services .eyebrow { color: rgba(255,255,255,.7); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: left; }
.card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); padding: 30px 26px; }
.card .ico { width: 52px; height: 52px; border-radius: 12px; background: var(--accent); color: var(--brand-deep); display: grid; place-items: center; margin-bottom: 18px; }
.card h3 { margin: 0 0 10px; font-size: 1.12rem; color: var(--accent); }
.card p { margin: 0; font-size: .93rem; color: rgba(255,255,255,.85); }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
.contact-info p { color: var(--muted); }
.contact-info dl { margin: 26px 0 0; }
.contact-info dt { font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; color: var(--brand); font-weight: 600; }
.contact-info dd { margin: 2px 0 18px; font-weight: 500; }
.contact-info dd a { text-decoration: none; }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; background: var(--soft); padding: 30px; border-radius: var(--radius); }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }
label { font-size: .84rem; font-weight: 600; }
label small { font-weight: 400; color: var(--muted); }
input, textarea {
  font: inherit; font-size: .95rem; padding: 11px 13px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: transparent; }
textarea { min-height: 130px; resize: vertical; }
form .btn { grid-column: 1 / -1; background: var(--brand); color: #fff; }
.thanks {
  grid-column: 1 / -1; margin: 0; padding: 14px 16px; border-radius: 10px;
  background: #e8f8ee; color: #136c35; font-weight: 600; text-align: center;
}

/* footer */
.site-footer { background: var(--brand-deep); color: rgba(255,255,255,.8); text-align: center; padding: 34px 0; font-size: .88rem; }
.site-footer a { color: var(--accent); text-decoration: none; }
.site-footer p { margin: 4px 0; }
.site-footer .legal { color: #fff; font-weight: 600; }

/* privacidad */
.policy { padding: 72px 0 96px; }
.policy .wrap { max-width: 800px; }
.policy h1 { font-size: clamp(2rem, 5vw, 2.8rem); margin: 0 0 6px; }
.policy .updated { color: var(--muted); margin: 0 0 36px; font-size: .9rem; }
.policy h2 { font-size: 1.2rem; margin: 34px 0 8px; }
.policy p, .policy li { color: #38344d; }

@media (max-width: 860px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: 0; }
  .site-header .wrap { gap: 12px; }
  .lang-switch { order: 3; }
  section { padding: 72px 0; }
  .hero { padding: 90px 0 84px; }
}
@media (max-width: 560px) {
  form { grid-template-columns: 1fr; padding: 22px; }
  .pillars { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.thanks.error { background: #fdecec; color: #a61b1b; }