.features { position: relative; padding: 96px 0 40px; overflow: clip; }
.features-intro { margin-bottom: 56px; }
.features-intro h2 { max-width: 16ch; letter-spacing: -0.04em; }

.floaters { position: absolute; inset: 0; pointer-events: none; color: rgba(214, 252, 48, 0.22); }
.floater { position: absolute; width: 120px; animation: floater 9s ease-in-out infinite; }
.floater-l { top: 180px; left: max(12px, calc(50% - 680px)); height: 280px; }
.floater-r { top: 620px; right: max(12px, calc(50% - 680px)); width: 140px; animation-delay: -3s; }
@keyframes floater { 50% { transform: translateY(-12px); } }

.feat-list { display: grid; gap: 72px; }
.feat {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.18fr);
  gap: 48px 56px;
  align-items: center;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  padding: 0;
  color: inherit;
  outline: none;
}
.feat-flip { grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.92fr); }
.feat-flip .feat-copy { order: 2; }
.feat-flip .feat-stage { order: 1; }
.feat:focus-visible { outline: 2px solid var(--lime); outline-offset: 10px; }

.feat-icon {
  width: 40px; height: 40px; display: grid; place-items: center;
  margin-bottom: 16px; border-radius: 12px; color: var(--lime);
  background: rgba(214, 252, 48, 0.08); border: 1px solid rgba(214, 252, 48, 0.18);
}
.feat-icon svg { width: 20px; height: 20px; }
.feat-kicker { margin: 0 0 8px; color: var(--lime); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }
.feat h3 { font-size: clamp(26px, 3.4vw, 40px); line-height: 1.05; letter-spacing: -0.04em; max-width: 16ch; }
.feat-copy p { color: var(--muted); max-width: 38ch; }
.feat-hint {
  margin-top: 18px; font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(243, 243, 238, 0.42);
}

.feat-stage {
  min-height: 340px; border-radius: 28px; background: #161616;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06); overflow: hidden;
}
.mock { position: relative; width: 100%; height: 340px; }

.mock-grid .mock-chrome { display: flex; gap: 6px; padding: 14px 16px; }
.mock-grid .mock-chrome span { width: 8px; height: 8px; border-radius: 50%; background: #3a3a3a; }
.mock-ui { position: relative; z-index: 2; padding: 28px 40px; }
.mock-btn { width: 112px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: var(--blue); color: #fff; font-size: 13px; font-weight: 600; }
.mock-field { margin-top: 16px; height: 36px; width: 70%; border-radius: 8px; background: #222; border: 1px solid var(--line); }
.mock-field.short { width: 44%; }
.mock-lattice {
  position: absolute; inset: 0; opacity: 0.12;
  background-image: linear-gradient(rgba(214, 252, 48, 0.28) 1px, transparent 1px), linear-gradient(90deg, rgba(214, 252, 48, 0.28) 1px, transparent 1px);
  background-size: 16px 16px;
}
.mock-tag, .mock-readout, .mock-tip {
  position: absolute; opacity: 0; background: #111; border-radius: 8px;
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11px;
}
.mock-tag { right: 16px; bottom: 16px; padding: 4px 8px; border-radius: 999px; color: var(--lime); }
.feat.is-playing .mock-lattice { animation: lattice-on 0.55s var(--ease) forwards; }
.feat.is-playing .mock-tag { animation: fade-in 0.55s var(--ease) forwards; }

.mock-guides { background: #141414; }
.mock-ruler-h, .mock-ruler-v { position: absolute; background: rgba(18, 18, 18, 0.94); z-index: 3; }
.mock-ruler-h { top: 0; left: 22px; right: 0; height: 22px; border-bottom: 1px solid rgba(214, 252, 48, 0.28); }
.mock-ruler-v { top: 22px; left: 0; bottom: 0; width: 22px; border-right: 1px solid rgba(214, 252, 48, 0.28); }
.mock-card {
  position: absolute; left: 28%; top: 30%; width: 42%; height: 38%;
  border-radius: 16px; background: #1c1c1c; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--muted); font-size: 13px;
}
.mock-gh, .mock-gv { position: absolute; background: var(--lime); opacity: 0; z-index: 4; }
.mock-gh { left: 22px; right: 0; height: 1px; top: 42%; }
.mock-gv { top: 22px; bottom: 0; width: 1px; left: 48%; }
.mock-gh b, .mock-gv b { position: absolute; color: var(--lime); font: 10px/1 "JetBrains Mono", ui-monospace, monospace; }
.mock-gh b { left: 12px; top: 6px; }
.mock-gv b { top: 12px; left: 8px; }
.feat.is-playing .mock-gh { animation: pull-h 0.7s var(--ease) forwards; }
.feat.is-playing .mock-gv { animation: pull-v 0.7s 0.12s var(--ease) forwards; }

.mock-measure .mock-dot {
  position: absolute; width: 9px; height: 9px; border-radius: 50%;
  background: var(--lime); box-shadow: 0 0 0 4px rgba(214, 252, 48, 0.15);
}
.mock-dot.a { left: 22%; top: 34%; }
.mock-dot.b { left: 68%; top: 62%; }
.mock-line { position: absolute; left: 23.4%; top: 35.4%; width: 28px; height: 1px; background: var(--lime); transform-origin: 0 50%; transform: rotate(23.7deg); }
.mock-readout { left: 58%; top: 70%; padding: 6px 8px; color: var(--lime); }
.feat.is-playing .mock-dot.b { animation: fade-in 0.3s 0.25s forwards; }
.feat.is-playing .mock-line { animation: draw-line 0.55s 0.2s var(--ease) forwards; }
.feat.is-playing .mock-readout { animation: fade-in 0.35s 0.55s forwards; }

.mock-inspect { padding: 36px 40px; }
.mock-page { height: 100%; border-radius: 18px; background: #1a1a1a; border: 1px solid var(--line); padding: 20px; }
.mock-nav { height: 10px; width: 36%; border-radius: 99px; background: #2a2a2a; }
.mock-cta { display: inline-flex; align-items: center; margin-top: 48px; min-height: 48px; padding: 0 22px; border-radius: 12px; background: var(--lime); color: #111; font: 600 14px Urbanist, sans-serif; }
.mock-hl { position: absolute; left: 40px; top: 114px; width: 168px; height: 48px; border: 1px solid var(--lime); opacity: 0; pointer-events: none; }
.mock-tip { left: 216px; top: 108px; padding: 8px 10px; color: var(--ink); font-size: 12px; line-height: 1.35; }
.mock-tip small { color: var(--lime); }
.feat.is-playing .mock-hl, .feat.is-playing .mock-tip { animation: fade-in 0.35s 0.15s forwards; }

.mock-capsule { display: grid; place-items: center; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 7px 10px; border-radius: 999px; background: #f3f3f3; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35); }
.mock-bar i { width: 26px; height: 26px; border-radius: 5px; background: #2a2a2a; }
.mock-bar i.off { background: #c56a5c; }
.mock-bar b { width: 4px; height: 16px; margin: 0 8px; border-radius: 2px; background: #b0b0b0; box-shadow: 6px 0 0 #b0b0b0, -6px 0 0 #b0b0b0; }
.feat.is-playing .mock-bar { animation: collapse-bar 1.6s var(--ease) infinite; }

@keyframes fade-in { to { opacity: 1; } }
@keyframes lattice-on { to { opacity: 1; } }
@keyframes pull-h { from { opacity: 0; transform: translateY(-48px); } to { opacity: 1; transform: none; } }
@keyframes pull-v { from { opacity: 0; transform: translateX(-48px); } to { opacity: 1; transform: none; } }
@keyframes draw-line { to { width: 188px; } }
@keyframes collapse-bar { 0%, 30% { transform: scale(1); } 45%, 70% { transform: scale(0.72); } 85%, 100% { transform: scale(1); } }

@media (max-width: 860px) {
  .feat, .feat-flip { grid-template-columns: 1fr; gap: 22px; }
  .feat-flip .feat-copy, .feat-flip .feat-stage { order: 0; }
  .floaters { display: none; }
  .feat-stage, .mock { min-height: 280px; height: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  .floater, .feat.is-playing * { animation: none !important; }
  .mock-lattice, .mock-tag, .mock-gh, .mock-gv, .mock-dot.b, .mock-readout, .mock-hl, .mock-tip { opacity: 1; }
  .mock-line { width: 188px; }
}