/* styles.css */

/* ========== Base / Design Tokens ========== */
:root{
  --bg: #0b1220;
  --surface: #0f1a2b;
  --surface-2: #0c1626;
  --text: #eaf0ff;
  --muted: #b8c4e6;
  --line: rgba(255,255,255,.12);

  --brand: #7c5cff;
  --brand-2: #22c55e;

  --radius: 18px;
  --shadow: 0 10px 28px rgba(0,0,0,.35);
  --shadow-soft: 0 8px 20px rgba(0,0,0,.22);

  --container: 1100px;
}

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

html{
  scroll-behavior: smooth;
  color-scheme: dark;
}

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 0%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(900px 600px at 80% 10%, rgba(34,197,94,.15), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* ========== Accessibility helpers ========== */
.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  padding: .75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus{
  left: 1rem;
  top: 1rem;
}

.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ========== Header (Grid menu) ========== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, .65);
  border-bottom: 1px solid var(--line);
}

.header-grid{
  display: grid;
  grid-template-columns: 1fr auto 1fr; /* Marca | Menú | Acciones */
  align-items: center;
  gap: 1rem;
  padding: .9rem 0;
}

.brand__link{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
}
.brand__mark{
  width: 12px; height: 12px;
  border-radius: 99px;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(124,92,255,.2);
}
.brand__name{
  font-weight: 700;
  letter-spacing: .2px;
}

.nav__list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-auto-flow: column;
  gap: .25rem;
  align-items: center;
}

.nav__link{
  display: inline-flex;
  padding: .55rem .8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.nav__link:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.10);
  color: var(--text);
  text-decoration: none;
}

.header-actions{
  display: flex;
  justify-content: flex-end;
  gap: .6rem;
}

/* ========== Buttons ========== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem .95rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  text-decoration: none;
  box-shadow: none;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.18);
  text-decoration: none;
}
.btn--primary{
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(124,92,255,.55));
  border-color: rgba(124,92,255,.35);
}
.btn--primary:hover{
  background: linear-gradient(135deg, rgba(124,92,255,1), rgba(124,92,255,.65));
}
.btn--ghost{
  background: rgba(255,255,255,.03);
}

/* ========== Hero ========== */
.hero{
  padding: 3.3rem 0 2.2rem;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.25fr .85fr;
  gap: 1.6rem;
  align-items: start;
}

.eyebrow{
  display: inline-block;
  padding: .35rem .65rem;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.03);
  margin: 0 0 .9rem;
}

.hero__title{
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  margin: 0 0 .75rem;
  letter-spacing: -0.02em;
}

.hero__lead{
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-bottom: 1.2rem;
}

.hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.pill{
  padding: .45rem .7rem;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  color: var(--muted);
  font-size: .95rem;
}

.hero__card{
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  padding: 1.15rem;
}

.card-title{
  margin: 0 0 .65rem;
  font-size: 1.05rem;
  letter-spacing: .2px;
}

.checklist{
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}
.checklist li{ margin: .35rem 0; }

.card-note{
  margin-top: .9rem;
  padding: .75rem .85rem;
  border-radius: 14px;
  background: rgba(124,92,255,.12);
  border: 1px solid rgba(124,92,255,.25);
  color: var(--muted);
}

/* ========== Band / Stats ========== */
.band{
  padding: 1.2rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat{
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow-soft);
}
.stat__num{
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.stat__label{
  color: var(--muted);
  margin-top: .15rem;
}

/* ========== Sections ========== */
.section{
  padding: 2.6rem 0;
}

.section--alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head{
  margin-bottom: 1.2rem;
}

.section-title{
  margin: 0 0 .35rem;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
}

.section-subtitle{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

/* Cards grid */
.grid-cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.1rem;
}

.card{
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.10);
  padding: 1.1rem;
  box-shadow: var(--shadow-soft);
  transition: transform .12s ease, border-color .12s ease;
}
.card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.18);
}
.card__title{
  margin: 0 0 .45rem;
  font-size: 1.15rem;
}
.card__text{
  margin: 0 0 .8rem;
  color: var(--muted);
}
.card__link{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255,255,255,.35);
}
.card__link:hover{
  border-bottom-color: rgba(255,255,255,.65);
  text-decoration: none;
}

/* Split section */
.split{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 1.2rem;
  align-items: start;
}

.resource-list{
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: .65rem;
}
.resource-list li{
  padding: .9rem 1rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.10);
}
.resource-title{
  display: block;
  font-weight: 700;
  margin-bottom: .15rem;
}
.resource-desc{
  color: var(--muted);
  display: block;
}

.callout{
  border-radius: var(--r