/* Tarka */
.pg-tarka .tk-punch { display: block; margin: .9rem 0; font-family: var(--font-display); font-weight: 750; letter-spacing: -0.045em; line-height: 1; font-size: clamp(1.8rem, 3.4vw, 2.8rem); color: var(--blue); }

/* ---------- hero instrument ---------- */
.tk { --rh: 6px; --rg: 2px; position: relative; display: grid; gap: 1.4rem; }
.tk-panes { display: grid; grid-template-columns: minmax(0, 1.3fr) 3.4rem minmax(0, 1fr); gap: 0; align-items: stretch; }
.tk-h { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin: 0 0 .9rem; font-family: var(--font-display); font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: #8d9bc9; } .tk-h b { color: #fff; font-weight: 700; }
.tk-list { position: relative; padding-right: .2rem; }
.tk-row { display: grid; grid-template-columns: 2.1rem minmax(0, 1fr); align-items: center; height: var(--rh); margin-bottom: var(--rg); opacity: 0; transform: translateX(-12px); transition: opacity .35s, transform .45s var(--ease); }
.tk-row.in { opacity: 1; transform: none; }
.tk-row .rk { display: flex; align-items: center; height: var(--rh); font-family: var(--font-display); font-weight: 700; font-size: .58rem; letter-spacing: .06em; color: var(--bright); opacity: 0; transition: opacity .3s; }
.tk-row.lab .rk { opacity: .75; } .tk-row.sel .rk { opacity: 1; color: #fff; }
.tk-row i { display: block; height: 100%; width: var(--w); background: #3a4eae; transition: background .4s, box-shadow .4s, opacity .5s, filter .4s; }
.tk-row.keep i { background: #8fa7ff; }
.tk-row.dim i { opacity: .2; } .tk-row.dim .rk { opacity: .25; }
.tk-row.sel i { background: var(--bright); opacity: 1; box-shadow: 0 0 0 1px #fff, 0 0 16px 2px rgba(91, 134, 255, .9); }
.tk-row.sent i { filter: saturate(.5) brightness(.8); box-shadow: 0 0 0 1px rgba(255, 255, 255, .5); }
.tk-row.r49.sent i { filter: none; background: #fff; box-shadow: 0 0 18px 2px rgba(91, 134, 255, .9); }
.tk-cut { position: absolute; left: 2.1rem; right: 0; top: calc(5 * (var(--rh) + var(--rg)) - var(--rg) / 2 - 1px); height: 0; opacity: 0; transition: opacity .4s; pointer-events: none; z-index: 2; }
.tk-cut i { display: block; border-top: 2px dashed #fff; } .tk-cut span { position: absolute; right: 0; top: 5px; padding: .2rem .5rem; background: #fff; color: var(--night); font-family: var(--font-display); font-size: .62rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.tk-cut.on { opacity: 1; }
.tk-disc { position: absolute; right: .4rem; top: calc(14 * (var(--rh) + var(--rg))); margin: 0; font-family: var(--font-display); font-size: .74rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: #8d9bc9; opacity: 0; transition: opacity .5s; } .tk-disc b { font-size: 2.6rem; display: block; letter-spacing: -0.05em; color: #fff; line-height: 1; text-align: right; } .tk-disc.on { opacity: 1; }
.tk-beam { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: #fff; box-shadow: 0 0 22px 6px rgba(91, 134, 255, .95), 0 -26px 26px -6px rgba(91, 134, 255, .35); opacity: 0; z-index: 3; pointer-events: none; }
.tk-callout { position: absolute; z-index: 4; margin: 0; padding: .25rem .6rem .25rem .5rem; transform: translateY(-50%) translateX(-8px); background: #fff; color: var(--blue); font-family: var(--font-display); font-weight: 750; font-size: .8rem; letter-spacing: -0.01em; white-space: nowrap; opacity: 0; transition: opacity .4s, transform .5s var(--snap); display: flex; align-items: center; gap: .45rem; } .tk-callout i { width: .5rem; height: .5rem; background: var(--blue); animation: blink 1s steps(2, jump-none) infinite; } .tk-callout.on { opacity: 1; transform: translateY(-50%); }

.tk-gate { position: relative; margin: 0 .9rem; background: #08113a; border: 1px solid #2a3a85; display: grid; place-items: center; overflow: hidden; transition: background .5s, border-color .5s; }
.tk-gate::before { content: ""; position: absolute; inset: 0; background: conic-gradient(rgba(91, 134, 255, .35) 25%, transparent 0 50%, rgba(91, 134, 255, .35) 0 75%, transparent 0) 0 0 / 4px 4px; opacity: .5; transition: opacity .5s; }
.tk-gate span { position: relative; writing-mode: vertical-rl; transform: rotate(180deg); font-family: var(--font-display); font-weight: 750; letter-spacing: .3em; text-transform: uppercase; font-size: .8rem; color: #8d9bc9; transition: color .4s; }
.tk-gate.on { background: var(--blue); border-color: var(--bright); } .tk-gate.on::before { opacity: 1; } .tk-gate.on span { color: #fff; }

.tk-slots { list-style: none; margin: 0 0 .9rem; padding: 0; display: grid; gap: .45rem; }
.slot { display: grid; grid-template-columns: 2rem minmax(0, 1fr) auto; gap: .7rem; align-items: center; height: 2.8rem; padding: 0 .85rem; border: 1px dashed #2a3a85; color: #52609a; font-family: var(--font-display); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; transition: background .4s, border-color .4s, color .4s; }
.slot .s-id { font-size: 1.05rem; letter-spacing: -0.02em; text-transform: none; font-weight: 650; } .slot .s-r em { font-style: normal; font-size: 1rem; letter-spacing: -0.02em; }
.slot.in { border: 1px solid var(--bright); background: rgba(91, 134, 255, .13); color: #aec3ff; } .slot.in .s-id { color: #fff; }
.slot.hero49 { background: var(--blue); border-color: #fff; color: #dbe4ff; box-shadow: 4px 4px 0 var(--bright); } .slot.hero49 .s-r em { color: #fff; font-size: 1.25rem; }
.tk-json { margin: 0; padding: .8rem 1rem; min-height: 5.6rem; border: 1px solid #1b2a66; background: #060e30; color: #8d9bc9; font: 500 .8rem/1.55 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; white-space: pre-wrap; } .tk-json:empty::before { content: "// evidence_set: awaiting selection"; color: #3f4f8f; } .tk-json .k { color: var(--bright); }
.tk-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-top: 1.1rem; border-top: 1px solid #1b2a66; }
.tk-steps { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.tk-steps li { display: flex; align-items: center; gap: .5rem; padding: .35rem .7rem; border: 1px solid #2a3a85; font-family: var(--font-display); font-size: .68rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; color: #6d7bb0; transition: background .3s, color .3s, border-color .3s; } .tk-steps li b { color: var(--bright); }
.tk-steps li.done { color: #aec3ff; border-color: #3a4eae; } .tk-steps li.on { background: var(--blue); border-color: var(--blue); color: #fff; } .tk-steps li.on b { color: #fff; }
.tk-cap { margin: 0; font-family: var(--font-display); font-weight: 750; letter-spacing: -0.03em; font-size: clamp(1.1rem, 2vw, 1.5rem); color: #fff; opacity: .25; transition: opacity .6s; } .tk-cap.on { opacity: 1; }
.tk-fly { position: absolute; inset: 0; pointer-events: none; z-index: 6; }
.fly { position: absolute; background: var(--bright); box-shadow: 0 0 18px 3px rgba(91, 134, 255, .8); transition: opacity .25s; } .fly.f49 { background: #fff; }
@media (max-width: 800px) {
  .tk { --rh: 4px; } .tk-panes { grid-template-columns: 1fr; gap: 1rem; }
  .tk-gate { margin: 0; height: 2.4rem; } .tk-gate span { writing-mode: horizontal-tb; transform: none; }
  .tk-cut span { font-size: .55rem; } .tk-disc b { font-size: 1.8rem; } .tk-callout { font-size: .68rem; }
}

/* ---------- 01 beyond the top-k cutoff ---------- */
.tk-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.6rem, 3vw, 2.8rem); padding: 0 10px 10px 0; }
.tk-card { height: 100%; display: flex; flex-direction: column; }
.mg { position: relative; height: 11rem; border-bottom: 1px solid var(--line-2); background: var(--tint); overflow: hidden; }
.mg-grid { display: grid; grid-template-columns: repeat(10, 1fr); grid-auto-rows: 1fr; gap: 5px; padding: 1.3rem 1.3rem; }
.mg-grid i { background: var(--blue); opacity: .18; animation: gl 3.6s ease-in-out infinite; animation-delay: calc(var(--i) * 60ms); }
.mg-grid i:nth-child(n+6):nth-child(-n+7) { }
@keyframes gl { 0%, 100% { opacity: .15; } 50% { opacity: .85; } }
.mg-n { position: absolute; right: 1rem; bottom: .7rem; display: flex; padding: .2rem .7rem; background: var(--blue); color: #fff; font-family: var(--font-display); font-weight: 750; font-size: 2rem; letter-spacing: -0.05em; line-height: 1.1; box-shadow: 4px 4px 0 var(--navy); }
.mg-bars ul { list-style: none; margin: 0; padding: 1.1rem 1.3rem; display: grid; grid-template-rows: repeat(12, 1fr); gap: 3px; height: 100%; }
.mg-bars li { display: grid; grid-template-columns: 1.6rem 1fr; align-items: center; min-height: 0; }
.mg-bars li i { height: 100%; width: var(--w); background: var(--line-2); } .mg-bars li em { font: 700 .6rem var(--font-display); font-style: normal; color: var(--blue); letter-spacing: .05em; }
.mg-bars li.hit i { background: var(--blue); animation: hit 2.6s var(--ease) infinite; }
@keyframes hit { 0%, 100% { box-shadow: 0 0 0 0 rgba(12, 63, 197, 0); } 50% { box-shadow: 0 0 0 4px rgba(12, 63, 197, .22); } }
.mg-k { position: absolute; left: 1.3rem; right: 1.3rem; top: 4.75rem; border-top: 1.5px dashed var(--blue); font: 700 .58rem var(--font-display); letter-spacing: .16em; text-transform: uppercase; color: var(--blue); text-align: right; opacity: .7; padding-top: .1rem; }
.mg-json { background: var(--night); display: grid; align-items: center; }
.mg-json pre { margin: 0; padding: 1.4rem; color: #aec3ff; font: 500 .95rem/1.7 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; } .mg-json .k { color: var(--bright); } .mg-json .v { color: #fff; } .mg-json .hl { background: var(--blue); padding: 0 .3rem; }
.tk-caret { display: inline-block; width: .5rem; height: 1em; margin-left: .3rem; vertical-align: -.15em; background: var(--bright); animation: blink 1s steps(2, jump-none) infinite; }
.tk-cb { padding: 1.5rem 1.6rem 1.8rem; } .tk-cb .n { display: block; font: 700 .72rem var(--font-display); letter-spacing: .16em; color: var(--blue); margin-bottom: .8rem; }
.tk-cb h3 { font-size: 1.55rem; margin-bottom: .5rem; } .tk-cb p { margin: 0; color: var(--muted); font-size: 1.05rem; }
@media (max-width: 1000px) { .tk-cards { grid-template-columns: 1fr; } }

/* ---------- 02 the evidence layer ---------- */
.st-strip { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem clamp(.6rem, 2vw, 1.6rem); margin: 0 0 clamp(2.4rem, 5vw, 4rem); font-family: var(--font-display); font-weight: 750; font-size: clamp(2.2rem, 7vw, 6.4rem); line-height: 1; letter-spacing: -0.055em; color: #8d9bc9; }
.st-strip .on { color: #fff; background: var(--blue); padding: 0 .25em; box-shadow: .08em .08em 0 var(--bright); } .st-strip i { color: var(--bright); display: grid; } .st-strip svg { width: .6em; height: .6em; }
.st-row { display: grid; grid-template-columns: minmax(0, 1fr) clamp(2rem, 5vw, 4.5rem) minmax(0, 1fr) clamp(2rem, 5vw, 4.5rem) minmax(0, 1fr); align-items: stretch; padding-right: 10px; padding-bottom: 10px; }
.st-dock { --o: 10px; } .st-dock.on::before { border-color: #fff; }
.st-card { height: 100%; display: flex; flex-direction: column; }
.st-dock.on .card { --fill: var(--blue); --edge: #fff; } .st-dock.on .card .n { color: #cfdaff; } .st-dock.on .card p { color: #dbe4ff; }
.sec--night .st-dock.on .card::after { background: linear-gradient(to bottom left, var(--bgc) calc(50% - .6px), #fff calc(50% - .6px) calc(50% + .6px), #4d73e8 calc(50% + .6px)); }
.st-g { height: 9rem; border-bottom: 1px solid rgba(255, 255, 255, .18); position: relative; overflow: hidden; display: grid; place-items: center; }
.st-many { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; padding: 1.3rem; align-content: center; place-items: stretch; } .st-many i { aspect-ratio: 1; background: var(--bright); opacity: .25; animation: gl 3.2s ease-in-out infinite; animation-delay: calc(var(--i) * 90ms); }
.st-fun svg { width: 70%; height: 80%; } .st-fun .scan { animation: scan 2.6s var(--ease) infinite; } @keyframes scan { 0% { transform: translateY(0); opacity: 0; } 15%, 80% { opacity: 1; } 100% { transform: translateY(46px); opacity: 0; } }
.st-few { display: flex; gap: .6rem; align-items: center; justify-content: center; } .st-few i { width: 2.1rem; height: 2.1rem; background: #fff; opacity: .95; animation: pop 3.4s var(--ease) infinite; animation-delay: calc(var(--i) * 140ms); } .st-few i:last-child { background: var(--bright); }
@keyframes pop { 0%, 100% { transform: translateY(0); } 12% { transform: translateY(-8px); } 24% { transform: none; } }
.st-b { padding: 1.5rem 1.6rem 1.8rem; } .st-b .n { display: block; font: 700 .72rem var(--font-display); letter-spacing: .16em; color: var(--bright); margin-bottom: .8rem; } .st-b h3 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); margin-bottom: .6rem; } .st-b p { margin: 0; font-size: 1.05rem; color: #aab6df; }
.st-conn { position: relative; align-self: center; height: 22px; }
.st-conn .ln { position: absolute; left: 0; right: 0; top: 10px; height: 2px; background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .5) 0 6px, transparent 6px 12px); }
.st-conn .pk { position: absolute; top: 5px; left: 0; width: 10px; height: 10px; background: var(--bright); opacity: 0; animation: run 2.8s linear infinite; animation-delay: calc(var(--j) * .42s); }
.st-conn.c1 .pk { width: 12px; height: 12px; top: 4px; background: #fff; animation-duration: 3.4s; animation-delay: calc(var(--j) * 1.6s); }
@keyframes run { 0% { transform: translateX(0); opacity: 0; } 10%, 85% { opacity: 1; } 100% { transform: translateX(clamp(2rem, 5vw, 4.5rem)); opacity: 0; } }
.st-close { margin: clamp(2.5rem, 5vw, 4rem) 0 0; padding-top: 1.6rem; border-top: 1px solid rgba(255, 255, 255, .25); font-family: var(--font-display); font-weight: 650; font-size: clamp(1.3rem, 2.8vw, 2.2rem); letter-spacing: -0.035em; line-height: 1.15; color: #8d9bc9; max-width: 28em; } .st-close b { color: #fff; font-weight: 750; }
@media (max-width: 900px) {
  .st-row { grid-template-columns: 1fr; gap: 0; padding-right: 10px; }
  .st-conn { height: 3.6rem; width: 22px; margin-left: 2rem; } .st-conn .ln { left: 10px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .5) 0 6px, transparent 6px 12px); }
  .st-conn .pk { left: 5px; top: 0; animation-name: runv; } .st-conn.c1 .pk { left: 4px; top: 0; }
  @keyframes runv { 0% { transform: translateY(0); opacity: 0; } 10%, 85% { opacity: 1; } 100% { transform: translateY(3.4rem); opacity: 0; } }
}

/* ---------- 04 pricing ---------- */
.bill { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem clamp(1.5rem, 4vw, 4rem); align-items: center; margin-top: clamp(2rem, 4vw, 3.5rem); padding: clamp(1.4rem, 3vw, 2.4rem); border: 1px solid var(--line-2); background: var(--mist); }
.bill-n { margin: 0; font-family: var(--font-display); font-weight: 800; font-size: clamp(3.6rem, 9vw, 7.4rem); line-height: .85; letter-spacing: -0.06em; color: var(--blue); font-variant-numeric: tabular-nums; } .bill-n small { display: block; margin-top: .7rem; font-size: .74rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.bill .lede { margin: 0; }
@media (max-width: 700px) { .bill { grid-template-columns: 1fr; } }
.est { margin-top: 2.4rem; border: 1px solid var(--line-2); background: #fff; padding: 1.6rem 1.8rem 1.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 2.4rem; max-width: 52rem; box-shadow: 10px 10px 0 var(--mist-2); }
.est-h { grid-column: 1 / -1; margin: 0; font-family: var(--font-display); font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); }
.est label { display: grid; gap: .6rem; font-family: var(--font-display); font-weight: 650; letter-spacing: -0.02em; } .est output { font-size: 1.6rem; font-weight: 750; letter-spacing: -0.04em; color: var(--blue); font-variant-numeric: tabular-nums; }
.est input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; background: linear-gradient(90deg, var(--blue) var(--v, 40%), var(--line-2) var(--v, 40%)); outline-offset: 6px; }
.est input::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; background: #fff; border: 3px solid var(--blue); border-radius: 0; box-shadow: 3px 3px 0 var(--navy); cursor: pointer; transition: transform .25s var(--snap); } .est input::-webkit-slider-thumb:hover { transform: scale(1.15); }
.est input::-moz-range-thumb { width: 18px; height: 18px; background: #fff; border: 3px solid var(--blue); border-radius: 0; box-shadow: 3px 3px 0 var(--navy); cursor: pointer; }
.est-lines { display: grid; gap: .5rem; align-content: end; } .est-lines p { display: flex; justify-content: space-between; margin: 0; padding-bottom: .4rem; border-bottom: 1px solid var(--line); font-family: var(--font-display); font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); } .est-lines b { color: var(--ink); font-size: 1.1rem; letter-spacing: -0.02em; text-transform: none; font-variant-numeric: tabular-nums; }
.est-r { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin: .4rem 0 0; padding-top: 1.2rem; border-top: 1px solid var(--line-2); font-family: var(--font-display); font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.est-r b { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.05em; color: var(--ink); text-transform: none; font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .est { grid-template-columns: 1fr; } }