/* ==========================================================================
   AIM landing — STAGE layer.
   Sticky-left section nav + 6 numbered sections with serif headlines.
   Cards / steps / pricing / engine pillars sub-renderers.
   This is the fin.ai signature pattern, ported to a light palette.
   ========================================================================== */

.aim-stage {
  background: var(--aim-bg-paper);
  border-top: 1px solid var(--aim-line);
  border-bottom: 1px solid var(--aim-line);
  padding: 96px 0 120px;
  position: relative;
}
.aim-stage::before,
.aim-stage::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--aim-line);
}
.aim-stage::before { top: 0; }
.aim-stage::after  { bottom: 0; }

.aim-stage__inner {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 80px;
  align-items: start;
}

/* ---------- STICKY LEFT NAV (01 → 06) ---------- */
.aim-stage__nav {
  position: sticky;
  top: var(--aim-stage-top);
  align-self: start;
}
.aim-stage__nav-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--aim-line);
}
.aim-stage__nav-item { border-bottom: 1px solid var(--aim-line); }

.aim-stage__nav-link {
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  font-family: var(--aim-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aim-ink-4);
  position: relative;
  transition: color 0.18s var(--aim-ease);
}
.aim-stage__nav-link:hover { color: var(--aim-ink-2); }
.aim-stage__nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--aim-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--aim-ease);
}
.aim-stage__nav-link.is-active {
  color: var(--aim-ink);
}
.aim-stage__nav-link.is-active::after { transform: scaleX(1); }
.aim-stage__nav-index { color: var(--aim-ink-4); font-weight: 500; }
.aim-stage__nav-link.is-active .aim-stage__nav-index { color: var(--aim-ink); }
.aim-stage__nav-label { font-weight: 500; }

/* ---------- SECTIONS COLUMN ---------- */
.aim-stage__sections {
  display: flex;
  flex-direction: column;
  gap: 140px;
  min-width: 0;
}

.aim-stage__section { scroll-margin-top: 120px; }

.aim-stage__head {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 56px 80px;
  align-items: end;
  margin-bottom: 48px;
}
.aim-stage__head-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: end;
}
.aim-stage__index {
  font-family: var(--aim-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--aim-ink-4);
}
.aim-stage__headline {
  grid-column: 2 / -1;
  font-family: var(--aim-font-serif);
  font-weight: 400;
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--aim-ink);
  max-width: 760px;
}
.aim-stage__lead {
  grid-column: 2 / -1;
  font-size: 16px;
  color: var(--aim-ink-3);
  line-height: 1.6;
  max-width: 620px;
  margin-top: 18px;
}
.aim-stage__head-cta {
  grid-column: 2 / -1;
  margin-top: 24px;
  justify-self: start;
}

@media (max-width: 1100px) {
  .aim-stage__inner { grid-template-columns: 180px 1fr; gap: 48px; }
  .aim-stage__head { grid-template-columns: 1fr; gap: 18px; }
  .aim-stage__headline,
  .aim-stage__lead,
  .aim-stage__head-cta { grid-column: 1 / -1; }
}
@media (max-width: 800px) {
  .aim-stage { padding: 72px 0 88px; }
  .aim-stage__inner { grid-template-columns: 1fr; gap: 32px; }
  .aim-stage__nav { position: relative; top: 0; overflow-x: auto; }
  .aim-stage__nav-list { flex-direction: row; border-top: none; border-bottom: 1px solid var(--aim-line); }
  .aim-stage__nav-item { border-bottom: none; }
  .aim-stage__nav-link { padding: 10px 14px 10px 0; }
  .aim-stage__sections { gap: 96px; }
}

/* ==========================================================================
   CARDS (problems / solution)
   ========================================================================== */
.aim-stage__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--aim-line);
  border-left: 1px solid var(--aim-line);
}
.aim-stage__card {
  position: relative;
  padding: 32px 28px 36px;
  background: var(--aim-bg-card);
  border-right: 1px solid var(--aim-line);
  border-bottom: 1px solid var(--aim-line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.2s var(--aim-ease);
  overflow: hidden;
}
.aim-stage__card:hover { background: #fff; }
.aim-stage__cards--accent .aim-stage__card { background: var(--aim-bg); }
.aim-stage__cards--accent .aim-stage__card:hover { background: var(--aim-bg-tint); }
.aim-stage__cards--accent .aim-stage__card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 24px; height: 2px;
  background: var(--aim-accent);
}

.aim-stage__card-corner { color: var(--aim-line-strong); width: 8px; height: 8px; }
.aim-stage__card-index {
  font-family: var(--aim-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--aim-ink-4);
  margin-bottom: 4px;
}
.aim-stage__cards--accent .aim-stage__card-index { color: var(--aim-accent); }
.aim-stage__card-title {
  font-family: var(--aim-font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.3;
  color: var(--aim-ink);
}
.aim-stage__card-body {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--aim-ink-3);
}

@media (max-width: 1100px) { .aim-stage__cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .aim-stage__cards { grid-template-columns: 1fr; } }

/* ==========================================================================
   STEPS (workflow)
   ========================================================================== */
.aim-stage__steps {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--aim-line);
  border-bottom: 1px solid var(--aim-line);
  background: var(--aim-bg-card);
}
.aim-stage__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  padding: 40px 28px;
  border-bottom: 1px solid var(--aim-line);
  position: relative;
}
.aim-stage__step:last-child { border-bottom: none; }
.aim-stage__step-rail {
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.aim-stage__step-rail::before {
  content: "";
  position: absolute;
  top: 0; bottom: -40px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  background: var(--aim-line);
}
.aim-stage__step:last-child .aim-stage__step-rail::before { bottom: 0; }
.aim-stage__step-dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--aim-bg-card);
  border: 1.5px solid var(--aim-accent);
  z-index: 1;
}
.aim-stage__step-content {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(360px, 1.15fr);
  gap: 56px;
  align-items: start;
}
.aim-stage__step-text-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.aim-stage__step-index {
  font-family: var(--aim-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--aim-accent);
}
.aim-stage__step-title {
  font-family: var(--aim-font-sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.014em;
  color: var(--aim-ink);
  margin: 0;
  line-height: 1.25;
}
.aim-stage__step-text {
  font-size: 15px;
  color: var(--aim-ink-3);
  line-height: 1.62;
  margin: 0;
  max-width: 46ch;
}

/* Figure (fin.ai-style blueprint) */
.aim-stage__step-figure {
  position: relative;
  margin: 0;
  padding: 26px 22px 18px;
  background: var(--aim-bg-paper);
  border: 1px solid var(--aim-line);
  border-radius: 4px;
  color: var(--aim-ink);
  overflow: hidden;
  isolation: isolate;
}
.aim-stage__step-figure-tag {
  display: block;
  font-family: var(--aim-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--aim-ink-4);
  margin-bottom: 12px;
}
.aim-stage__step-figure-svg {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 520 / 320;
}
.aim-stage__step-figure-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--aim-line-strong);
  pointer-events: none;
}
.aim-stage__step-figure-corner--tl { top: 6px;    left: 6px;    border-right: 0; border-bottom: 0; }
.aim-stage__step-figure-corner--tr { top: 6px;    right: 6px;   border-left: 0;  border-bottom: 0; }
.aim-stage__step-figure-corner--bl { bottom: 6px; left: 6px;    border-right: 0; border-top: 0; }
.aim-stage__step-figure-corner--br { bottom: 6px; right: 6px;   border-left: 0;  border-top: 0; }

@media (max-width: 960px) {
  .aim-stage__step { padding: 32px 20px; }
  .aim-stage__step-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
@media (max-width: 600px) {
  .aim-stage__step { grid-template-columns: 28px 1fr; gap: 16px; padding: 28px 16px; }
  .aim-stage__step-title { font-size: 19px; }
}

/* ==========================================================================
   PRICING (2 plan cards)
   ========================================================================== */
.aim-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--aim-line);
  border-left: 1px solid var(--aim-line);
}
.aim-plan {
  position: relative;
  padding: 40px 36px 36px;
  background: var(--aim-bg-card);
  border-right: 1px solid var(--aim-line);
  border-bottom: 1px solid var(--aim-line);
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow: hidden;
}
.aim-plan--featured { background: var(--aim-ink); color: #f4f4f1; }
.aim-plan--featured .aim-plan__name,
.aim-plan--featured .aim-plan__price-num { color: #fff; }
.aim-plan--featured .aim-plan__tagline,
.aim-plan--featured .aim-plan__price-meta { color: #b6bac3; }
.aim-plan--featured .aim-plan__feature { color: #d8dae0; }
.aim-plan--featured [class*="__corner"] { color: rgba(255,255,255,0.25); }

.aim-plan__corner { width: 10px; height: 10px; }

.aim-plan__ribbon {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--aim-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--aim-accent);
  background: rgba(255,92,43,0.12);
  padding: 5px 9px;
  border-radius: 3px;
}

.aim-plan__head { display: flex; flex-direction: column; gap: 8px; }
.aim-plan__name {
  font-family: var(--aim-font-serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.018em;
  color: var(--aim-ink);
}
.aim-plan__tagline {
  font-size: 14px;
  color: var(--aim-ink-3);
  line-height: 1.5;
}

.aim-plan__price {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-top: 8px;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.aim-plan--featured .aim-plan__price { border-top-color: rgba(255,255,255,0.08); }
.aim-plan__price-num {
  font-family: var(--aim-font-serif);
  font-weight: 400;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--aim-ink);
}
.aim-plan__price-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--aim-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--aim-ink-3);
}
.aim-plan__price-unit { text-transform: uppercase; }
.aim-plan__price-note { letter-spacing: 0.04em; opacity: 0.75; text-transform: none; font-size: 10.5px; }

.aim-plan__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 6px 0 6px;
}
.aim-plan__feature {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  font-size: 14px;
  color: var(--aim-ink-2);
  line-height: 1.45;
}
.aim-plan__feature-tick {
  display: inline-flex;
  width: 18px; height: 18px;
  color: var(--aim-accent);
  margin-top: 2px;
}

.aim-plan__actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.aim-plan--featured .aim-btn--primary {
  background: var(--aim-accent);
  border-color: var(--aim-accent);
  color: #fff;
}
.aim-plan--featured .aim-btn--primary:hover {
  background: #fff;
  color: var(--aim-ink);
  border-color: #fff;
}
.aim-plan__cta { width: 100%; }
.aim-plan__cta-2 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--aim-ink-3);
  text-decoration: underline;
  text-decoration-color: rgba(0,0,0,0.18);
  text-underline-offset: 4px;
  transition: color 0.18s var(--aim-ease);
}
.aim-plan--featured .aim-plan__cta-2 { color: #c8ccd8; text-decoration-color: rgba(255,255,255,0.25); }
.aim-plan__cta-2:hover { color: var(--aim-accent); text-decoration-color: var(--aim-accent); }

@media (max-width: 800px) { .aim-pricing { grid-template-columns: 1fr; } }

/* ==========================================================================
   ENGINE PILLARS
   ========================================================================== */
.aim-stage__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--aim-line);
  border-left: 1px solid var(--aim-line);
}
.aim-stage__pillar {
  padding: 28px 26px 32px;
  border-right: 1px solid var(--aim-line);
  border-bottom: 1px solid var(--aim-line);
  background: var(--aim-bg-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.aim-stage__pillar-tag {
  display: inline-block;
  font-family: var(--aim-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--aim-accent);
  text-transform: uppercase;
}
.aim-stage__pillar-title {
  font-family: var(--aim-font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--aim-ink);
}
.aim-stage__pillar-body {
  font-size: 14px;
  color: var(--aim-ink-3);
  line-height: 1.55;
}
@media (max-width: 1100px) { .aim-stage__pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .aim-stage__pillars { grid-template-columns: 1fr; } }