/* ============================================================
   PLAN / BRIEF — estilos específicos (usa los tokens de style.css)
   ============================================================ */

.plan-main { padding-top: var(--nav-h); }

/* ---------- Header ---------- */
.plan-hero {
  padding: clamp(48px, 10vh, 120px) var(--gutter) clamp(32px, 6vh, 64px);
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(23, 61, 237, .30), transparent 58%),
    var(--bg);
  border-bottom: 1px solid rgba(220, 222, 226, .12);
}
.plan-hero__inner { max-width: var(--maxw); margin: 0 auto; }
.plan-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 9rem);
  line-height: .9;
  letter-spacing: -.03em;
  margin: 14px 0 0;
  color: var(--ink);
}
.plan-hero__title b { color: var(--accent); }
.plan-hero__meta {
  margin: 22px 0 0;
  font-size: clamp(.9rem, 1.3vw, 1.05rem);
  color: var(--muted);
  max-width: 60ch;
}
.plan-hero__team {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--ink);
}

/* ---------- Secciones ---------- */
.plan-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 8vh, 88px) var(--gutter);
  border-bottom: 1px solid rgba(220, 222, 226, .10);
}
.plan-section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: clamp(22px, 4vh, 40px);
}
.plan-section__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .2em;
  color: var(--accent);
}
.plan-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
}

.plan-lead {
  font-size: clamp(1.05rem, 2.1vw, 1.6rem);
  line-height: 1.4;
  color: var(--ink);
  max-width: 30ch;
  font-family: var(--font-display);
  font-weight: 300;
}
.plan-text {
  font-size: clamp(.98rem, 1.4vw, 1.15rem);
  line-height: 1.65;
  color: var(--muted);
  max-width: 68ch;
}
.plan-text strong { color: var(--ink); font-weight: 600; }

/* Grid de dos columnas (proyecto / comitente, objetivo / acción) */
.plan-split {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.plan-aside {
  border-left: 2px solid var(--accent);
  padding-left: 22px;
}
.plan-aside__k {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}
.plan-aside__v {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 500;
}

/* Tarjetas (problema / requerimientos / fuera de alcance) */
.plan-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}
.plan-card {
  background: var(--bg-2);
  border: 1px solid rgba(220, 222, 226, .10);
  border-radius: 14px;
  padding: 26px 24px;
  transition: transform .3s ease, border-color .3s ease;
}
.plan-card:hover { transform: translateY(-4px); border-color: rgba(23, 61, 237, .55); }
.plan-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.plan-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--ink);
  margin: 0 0 10px;
}
.plan-card__text {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.6;
}

/* Lista simple (fuera de alcance) */
.plan-list { display: grid; gap: 14px; max-width: 72ch; }
.plan-list__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(220, 222, 226, .08);
}
.plan-list__item::before {
  content: "✕";
  color: var(--accent);
  font-weight: 700;
  flex: none;
  line-height: 1.5;
}

/* Persona */
.plan-persona {
  background: linear-gradient(135deg, rgba(23, 61, 237, .14), rgba(0, 0, 81, .4));
  border: 1px solid rgba(23, 61, 237, .35);
  border-radius: 16px;
  padding: clamp(24px, 4vw, 40px);
  margin-top: 26px;
}
.plan-persona__k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

@media (max-width: 760px) {
  .plan-split { grid-template-columns: 1fr; }
  .plan-aside { border-left: 0; border-top: 2px solid var(--accent); padding-left: 0; padding-top: 18px; }
  .plan-lead { max-width: none; }
}