/* Landing-page styles for Pivot. Built on top of Material's CSS variables.
   Editorial ink-on-paper palette — the brand color is ink (near-black); the
   ONLY saturated color anywhere is the red drift signal.
     --pv-ink   = near-black → brand / on-agenda / structure
     --pv-drift = red        → drift / off-agenda (the one warning color) */

.pv-home {
  --pv-ink: #16130f;      /* warm near-black */
  --pv-accent: var(--pv-ink);
  --pv-drift: #d1492e;    /* warm brick-red, not a neon alert */
}

.pv-container { max-width: 60rem; margin: 0 auto; padding: 0 1.2rem; }
.pv-section { padding: 3.5rem 0; }

.pv-hl {
  color: var(--pv-ink);
  background: linear-gradient(transparent 62%, color-mix(in srgb, var(--pv-drift) 22%, transparent) 62%);
}

/* ---- Hero ---- */
.pv-hero-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 2.5rem; align-items: center;
}
@media (max-width: 760px) { .pv-hero-grid { grid-template-columns: 1fr; } }

.pv-hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--md-default-fg-color--light);
  border: 1px solid var(--md-default-fg-color--lightest);
  padding: .35rem .7rem; border-radius: 999px; margin-bottom: 1.2rem;
}
.pv-dot {
  width: .5rem; height: .5rem; border-radius: 50%;
  background: var(--pv-drift); box-shadow: 0 0 0 3px color-mix(in srgb, var(--pv-drift) 22%, transparent);
}

.pv-hero-title {
  font-size: clamp(2rem, 5.5vw, 3.1rem); line-height: 1.08;
  letter-spacing: -.02em; margin: 0 0 1rem;
}
.pv-hero-sub {
  color: var(--md-default-fg-color--light); font-size: 1.05rem;
  max-width: 34rem; margin: 0 0 1.6rem;
}

.pv-hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; }
.pv-btn-primary, .pv-btn-outline {
  display: inline-block; padding: .6rem 1.1rem; border-radius: .5rem;
  font-weight: 600; text-decoration: none; transition: transform .08s ease, opacity .15s ease;
}
.pv-btn-primary { background: var(--pv-ink); color: var(--md-default-bg-color) !important; }
.pv-btn-primary:hover { transform: translateY(-1px); opacity: .9; color: var(--md-default-bg-color) !important; }
.pv-btn-outline {
  border: 1px solid var(--md-default-fg-color--lighter);
  color: var(--md-default-fg-color);
}
.pv-btn-outline:hover { border-color: var(--pv-accent); color: var(--pv-accent); }

.pv-hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1.6rem;
  font-size: .82rem; color: var(--md-default-fg-color--light);
}

/* ---- Hero visual: mind map + timeline ---- */
.pv-hero-visual { display: flex; justify-content: center; }
.pv-map {
  position: relative; width: 320px; height: 240px;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: .75rem; background: var(--md-code-bg-color);
}
.pv-edges { position: absolute; inset: 0; width: 100%; height: 200px; }
.pv-edges line { stroke: var(--md-default-fg-color--lighter); stroke-width: 1.5; }
.pv-node {
  position: absolute; font-size: .72rem; font-weight: 600;
  padding: .3rem .6rem; border-radius: 999px; white-space: nowrap;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-default-bg-color);
}
.pv-node-goal  { top: 22px;  left: 50%; transform: translateX(-50%); border-color: var(--pv-accent); color: var(--pv-accent); }
.pv-node-a     { top: 108px; left: 26px; }
.pv-node-b     { top: 96px;  right: 24px; }
.pv-node-drift { top: 136px; left: 50%; transform: translateX(-50%); color: var(--pv-drift); border-color: var(--pv-drift); }
.pv-timeline {
  position: absolute; bottom: 14px; left: 20px; right: 20px;
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px dashed var(--md-default-fg-color--lighter); padding-top: 10px;
}
.pv-timeline span {
  width: .45rem; height: .45rem; border-radius: 50%;
  background: var(--md-default-fg-color--lighter);
}
.pv-timeline span:last-child { background: var(--pv-drift); }

/* ---- Feature pillars ---- */
.pv-section-title {
  text-align: center; font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -.01em; margin: 0 0 2rem;
}
.pv-features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
@media (max-width: 760px) { .pv-features-grid { grid-template-columns: 1fr; } }
.pv-feature {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: .6rem; padding: 1.3rem;
}
.pv-feature h3 { margin: 0 0 .2rem; }
.pv-feature-tagline { color: var(--pv-accent); font-weight: 600; font-size: .9rem; margin-bottom: .5rem; }
.pv-feature p { color: var(--md-default-fg-color--light); font-size: .92rem; margin: 0 0 .8rem; }
.pv-cta-link { font-weight: 600; font-size: .88rem; text-decoration: none; color: var(--pv-accent); }

/* ---- Closing CTA ---- */
.pv-cta-inner { text-align: center; }
.pv-cta-inner h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); margin: 0 0 .6rem; }
.pv-cta-inner p { color: var(--md-default-fg-color--light); max-width: 34rem; margin: 0 auto 1.4rem; }
.pv-cta-inner .pv-hero-actions { justify-content: center; }