/* =====================================================================
   SUMMIT STUDIO — Process page composition
   Builds on glass.css. Premium left-rail timeline.
   ===================================================================== */

.timeline { position: relative; display: grid; gap: clamp(1.4rem, 3vw, 2.3rem); }
.timeline::before {
  content: ""; position: absolute; left: 31px; top: 18px; bottom: 18px; width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2) 55%, rgba(139,92,246,0));
  border-radius: 2px;
}

.tstep { position: relative; display: grid; grid-template-columns: 64px 1fr; gap: clamp(1rem, 2.2vw, 1.6rem); align-items: start; }

.tnode {
  position: relative; z-index: 1;
  width: 64px; height: 64px; border-radius: 22px; flex: none;
  display: grid; place-items: center;
  font-family: var(--font-sans); font-weight: 760; font-size: 1.4rem;
  color: var(--accent-ink);
  background: var(--glass-3);
  border: 1px solid var(--glass-line);
  box-shadow: var(--glass-sheen), 0 12px 26px -14px rgba(79,99,255,.5);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(180%);
  backdrop-filter: blur(var(--blur-md)) saturate(180%);
}
.tnode::after {
  content: ""; position: absolute; inset: -4px; border-radius: 26px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  opacity: .14; z-index: -1;
}

.tcard {
  padding: clamp(1.3rem, 2.3vw, 1.9rem);
  border-radius: var(--r-xl);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  box-shadow: var(--glass-sheen), var(--shadow-sm);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(180%);
  backdrop-filter: blur(var(--blur-md)) saturate(180%);
  transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out);
}
.tcard:hover { transform: translateY(-4px); box-shadow: var(--glass-sheen), var(--shadow-md); }
.tcard .tstep-eyebrow {
  font-size: var(--fs-xs); font-weight: 680; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-ink);
}
.tcard h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); margin-top: .35rem; }
.tcard p { color: var(--ink-mute); margin-top: .6rem; font-size: var(--fs-sm); line-height: 1.6; }
.tchips { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.1rem; }
.tchip {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: var(--fs-xs); font-weight: 560; color: var(--ink-soft);
  padding: .34rem .75rem; border-radius: var(--r-pill);
  background: rgba(255,255,255,.5); border: 1px solid var(--line-soft);
}
.tchip svg { width: 14px; height: 14px; color: var(--accent); }

/* expectations band */
.expect-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.2vw, 1.6rem); }

@media (max-width: 640px) {
  .timeline::before { left: 25px; }
  .tstep { grid-template-columns: 52px 1fr; gap: .9rem; }
  .tnode { width: 52px; height: 52px; border-radius: 18px; font-size: 1.2rem; }
  .expect-grid { grid-template-columns: 1fr; }
}