/* AI Master — landing (oscuro, acentos rosa → cian) */
:root {
  color-scheme: dark;
  --bg: #0d0f16;
  --bg-deep: #090b11;
  --surface-1: #131622;
  --surface-2: #191d2b;
  --border: #222636;
  --border-strong: #343a4f;
  --text: #ffffff;
  --text-body: #eef1f7;
  --text-2: #b0b6c8;
  --muted: #7c8399;
  --pink: #ff4fa3;
  --cyan: #22d3ee;
  --grad: linear-gradient(90deg, #ff4fa3 0%, #ff63b4 30%, #3fcfee 72%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(255,79,163,.16), rgba(34,211,238,.12));
  --lime: #e8ff3a;
  --glow-pink: 0 10px 40px rgba(255, 79, 163, 0.38);
  --head: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --body: "Roboto", "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--bg); color: var(--text-body); font: 16px/1.6 var(--body); letter-spacing: .2px; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
svg { display: block; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--head); color: var(--text); margin: 0; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.center { text-align: center; }

/* ---------- botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 26px; border-radius: 999px;
  font: 600 16px var(--body); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: filter .15s, transform .15s, border-color .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-grad { background: var(--grad); color: #0d0f16; font-weight: 700; box-shadow: var(--glow-pink); }
.btn-grad:hover { filter: brightness(1.06); }
.btn-outline { border-color: rgba(255,255,255,.3); color: #fff; }
.btn-outline:hover { border-color: var(--cyan); }
.btn svg { width: 18px; height: 18px; }

/* ---------- nav */
.nav { position: sticky; top: 0; z-index: 30; background: rgba(9,11,17,.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 26px; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 18px var(--head); color: #fff; letter-spacing: -.3px; white-space: nowrap; }
.logo svg { width: 30px; height: 30px; }
.nav-links { display: flex; gap: 24px; margin-left: 10px; }
.nav-links a { text-decoration: none; color: var(--text-2); font-size: 14.5px; font-weight: 500; }
.nav-links a:hover { color: #fff; }
.nav .spacer { flex: 1; }
.nav .btn { padding: 9px 18px; font-size: 14.5px; }
.lang { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px; }
.lang button { border: none; background: none; color: var(--text-2); font: 600 12.5px var(--body); padding: 5px 10px; border-radius: 999px; cursor: pointer; }
.lang button.on { background: #fff; color: #0d0f16; }
.lang a { color: var(--text-2); font: 600 12.5px var(--body); padding: 5px 10px; border-radius: 999px; text-decoration: none; }
.lang a:hover { color: #fff; }
.lang a.on { background: #fff; color: #0d0f16; }
/* marca: Zigma Pro / AI Master */
.brand-pair { display: flex; align-items: center; gap: 12px; }
.zigma { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-2); white-space: nowrap;
  font: 700 12.5px var(--head); letter-spacing: 2px; text-transform: uppercase; }
.zigma svg { width: 30px; height: 22px; }
.zigma:hover { color: #fff; }
.brand-sep { width: 1px; height: 24px; background: var(--border-strong); }
.nav-links a { white-space: nowrap; }
@media (max-width: 1240px) { .nav .zigma span { display: none; } }
@media (max-width: 1060px) { .nav-links { display: none; } }
@media (max-width: 900px) { .nav-links { display: none; } }
@media (max-width: 560px) { .nav .btn-outline { display: none; } .nav .wrap { gap: 10px; } .nav .btn { padding: 8px 14px; font-size: 13.5px; } .logo { font-size: 16px; } }

/* ---------- hero (centrado) */
.hero { position: relative; overflow: hidden; padding: 92px 0 72px; text-align: center; }
.hero::before { content: ""; position: absolute; left: 50%; top: -260px; width: 1100px; height: 700px; transform: translateX(-50%);
  background: radial-gradient(closest-side at 35% 50%, rgba(255,79,163,.28), transparent 70%), radial-gradient(closest-side at 68% 55%, rgba(34,211,238,.22), transparent 70%);
  pointer-events: none; }
.hero .wrap { position: relative; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 8px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: rgba(19,22,34,.7); font: 500 13.5px var(--body); color: var(--text-2); }
.pill b { background: var(--lime); color: #0d0f16; font: 700 11px var(--head); padding: 3px 8px; border-radius: 999px; letter-spacing: .4px; }
.hero h1 { margin: 22px auto 18px; max-width: 900px; font-size: clamp(40px, 6.4vw, 78px); line-height: 1.02; letter-spacing: -2.4px; font-weight: 800; }
.hero p.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--text-2); max-width: 660px; margin: 0 auto 32px; }
.hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .note { margin-top: 16px; font-size: 13.5px; color: var(--muted); }

/* visual antes / después */
.ba { position: relative; max-width: 980px; margin: 60px auto 0; border-radius: 20px; padding: 22px; text-align: left;
  background: linear-gradient(var(--surface-1), var(--surface-1)) padding-box, var(--grad) border-box; border: 1px solid transparent;
  box-shadow: 0 30px 90px rgba(0,0,0,.5), 0 0 80px rgba(255,79,163,.12); }
.ba-row { display: grid; grid-template-columns: 110px 1fr 120px; gap: 16px; align-items: center; padding: 10px 0; }
.ba-row + .ba-row { border-top: 1px solid var(--border); }
.ba-label { font: 700 13px var(--head); color: #fff; text-transform: uppercase; letter-spacing: 1px; }
.ba-label small { display: block; font: 400 12px var(--body); color: var(--muted); text-transform: none; letter-spacing: 0; }
.ba-wave { height: 64px; display: flex; align-items: center; gap: 2px; }
.ba-wave i { flex: 1; border-radius: 2px; }
.ba-wave.mix i { background: #3a4258; }
.ba-wave.master i { background: var(--pink); }
.ba-meter { text-align: right; font: 700 20px var(--head); color: #fff; font-variant-numeric: tabular-nums; }
.ba-meter small { display: block; font: 400 12px var(--body); color: var(--muted); }
.ba-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.ba-tags span { font-size: 12.5px; color: var(--text-2); border: 1px solid var(--border-strong); border-radius: 999px; padding: 4px 11px; }
@media (max-width: 640px) { .ba-row { grid-template-columns: 1fr; gap: 6px; } .ba-meter { text-align: left; } }

/* ---------- secciones */
section.block { padding: 100px 0; }
section.block.alt { background: var(--bg-deep); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.kicker { font: 700 13px var(--head); letter-spacing: 1.6px; text-transform: uppercase; color: var(--cyan); }
.title { margin-top: 12px; font-size: clamp(32px, 4.4vw, 54px); line-height: 1.06; letter-spacing: -1.6px; font-weight: 800; }
.lede { font-size: 18px; color: var(--text-2); max-width: 680px; }
.center .lede { margin: 16px auto 0; }

/* cómo funciona: 3 pasos */
.steps3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 54px; }
@media (max-width: 900px) { .steps3 { grid-template-columns: 1fr; } }
.prep { margin-top: 22px; padding: 30px 28px; text-align: left; border-radius: 18px; background: var(--surface-1); border: 1px solid var(--border); }
.prep h3 { margin: 0 0 8px; font-size: 21px; letter-spacing: -.4px; }
.prep > p { margin: 0 0 20px; max-width: 780px; color: var(--text-2); font-size: 15px; }
.prep-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 30px; }
.prep-list li { display: flex; gap: 10px; color: var(--text-2); font-size: 15px; }
.prep-list svg { flex: none; width: 20px; height: 20px; margin-top: 2px; color: var(--cyan); }
.prep-list b { color: var(--text); font-weight: 600; }
@media (max-width: 760px) { .prep { padding: 24px 18px; } .prep-list { grid-template-columns: 1fr; } }
.step3 { position: relative; padding: 30px 26px 28px; border-radius: 18px; background: var(--surface-1); border: 1px solid var(--border); overflow: hidden; }
.step3 .n { font: 800 64px/1 var(--head); letter-spacing: -2px; color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,.22); }
.step3:nth-child(1) .n { -webkit-text-stroke-color: var(--pink); }
.step3:nth-child(2) .n { -webkit-text-stroke-color: #b98ad8; }
.step3:nth-child(3) .n { -webkit-text-stroke-color: var(--cyan); }
.step3 h3 { margin: 18px 0 8px; font-size: 21px; letter-spacing: -.4px; }
.step3 p { margin: 0; color: var(--text-2); font-size: 15px; }
.step3::after { content: ""; position: absolute; inset: auto -40px -60px auto; width: 180px; height: 180px; border-radius: 50%; background: var(--grad-soft); filter: blur(10px); }

/* features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 54px; background: var(--border); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr; } }
.feature { background: var(--surface-1); padding: 30px 28px; }
.feature svg { width: 28px; height: 28px; color: var(--cyan); margin-bottom: 18px; }
.feature:nth-child(even) svg { color: var(--pink); }
.feature h3 { font-size: 18.5px; letter-spacing: -.3px; margin-bottom: 8px; }
.feature p { margin: 0; color: var(--text-2); font-size: 15px; }

/* géneros */
.genre-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 40px; }
.genre-cloud span { padding: 10px 18px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text-2); font-weight: 500; background: var(--surface-1); }
.genre-cloud span:hover { border-color: var(--pink); color: #fff; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 54px; }
@media (max-width: 760px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }
.stats-row div { padding: 22px; border-radius: 16px; background: var(--surface-1); border: 1px solid var(--border); }
.stats-row b { display: block; font: 800 40px var(--head); letter-spacing: -1.5px; }
.stats-row span { color: var(--muted); font-size: 14px; }

/* plugins */
.plug-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 960px) { .plug-grid { grid-template-columns: 1fr; } }
.roles { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface-1); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; }
.roles th, .roles td { padding: 14px 16px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14.5px; }
.roles th { font: 600 12px var(--body); color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.roles td:first-child { color: var(--cyan); font-weight: 700; }
.roles tr:last-child td { border-bottom: none; }
.check-list { list-style: none; padding: 0; margin: 26px 0 32px; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 12px; color: var(--text-2); }
.check-list svg { flex: none; width: 22px; height: 22px; color: var(--pink); }

/* descarga */
.download { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; border-radius: 24px; padding: 50px; position: relative; overflow: hidden;
  background: linear-gradient(var(--surface-1), var(--surface-1)) padding-box, var(--grad) border-box; border: 1px solid transparent; }
.download::before { content: ""; position: absolute; inset: -40% -10% auto 45%; height: 140%; background: radial-gradient(closest-side, rgba(34,211,238,.18), transparent 70%); }
.download > * { position: relative; }
@media (max-width: 900px) { .download { grid-template-columns: 1fr; padding: 30px 24px; } }
.dl-meta { margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.dl-meta code, .steps code { background: #232a3b; padding: 2px 7px; border-radius: 6px; font-size: 13px; color: #fff; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 16px; }
.steps li { counter-increment: s; display: flex; gap: 14px; color: var(--text-2); font-size: 15px; }
.steps li::before { content: counter(s); flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--cyan); color: var(--cyan); font: 700 13px var(--head); }

/* CTA final + footer */
.final { text-align: center; padding: 110px 0; position: relative; overflow: hidden; }
.final::before { content: ""; position: absolute; inset: 0 15%; background: radial-gradient(closest-side at 40% 50%, rgba(255,79,163,.22), transparent 70%), radial-gradient(closest-side at 62% 50%, rgba(34,211,238,.18), transparent 70%); }
.final > * { position: relative; }
footer { border-top: 1px solid var(--border); padding: 34px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 20px; justify-content: space-between; flex-wrap: wrap; align-items: center; }
footer nav a { color: var(--text-2); text-decoration: none; margin-left: 18px; }
footer nav a:hover { color: #fff; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } section.block { padding: 68px 0; } .hero { padding: 64px 0 56px; } }
.prep-cta { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--border); color: var(--text-2); font-size: 15px; }
.prep-cta a { color: var(--pink); font-weight: 600; text-decoration: none; }
.prep-cta a:hover { text-decoration: underline; }
footer .legal-links { flex-basis: 100%; font-size: 13px; }
footer .legal-links a { color: var(--muted); }
footer .legal-links a:first-child { margin-left: 0; }