/* Future-ready page (future.html). Uses the tokens and components of site.css; everything here is prefixed fr-. */

/* hero: honest position strip */
.fr-pos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 40px; border-top: 1px solid var(--line); max-width: 980px; }
.fr-pos > div { padding: 20px 22px 4px 0; }
.fr-pos > div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.fr-pos .k { display: flex; align-items: center; gap: 8px; font: 600 12px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.fr-pos .k i { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--cyan)); box-shadow: 0 0 10px var(--c, var(--cyan)); }
.fr-pos p { margin: 10px 0 0; font-size: 16px; line-height: 1.45; color: var(--ink2); }
.fr-pos p b { color: var(--ink); font-weight: 600; }
@media (max-width: 760px) { .fr-pos { grid-template-columns: 1fr; } .fr-pos > div, .fr-pos > div + div { padding: 16px 0 14px; border-left: 0; border-bottom: 1px solid var(--line); } }
.fr-jump { margin-top: 30px; }
.fr-jump .tag { text-transform: none; letter-spacing: 0; font-size: 13px; }
.fr-honest { margin-top: 26px; }

/* two ways to cut carbon */
.fr-two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
@media (max-width: 800px) { .fr-two { grid-template-columns: 1fr; } }
.fr-two .card { padding: clamp(22px, 3vw, 34px); }
.fr-two .card h3 { font-size: clamp(22px, 2.2vw, 28px); margin-top: 6px; }
.fr-two ul { list-style: none; margin: 18px 0 0; padding: 0; }
.fr-two li { position: relative; padding: 12px 0 12px 26px; border-top: 1px solid var(--line); color: var(--ink2); font-size: 16px; line-height: 1.5; }
.fr-two li::before { content: ""; position: absolute; left: 3px; top: 20px; width: 8px; height: 8px; border-radius: 50%; background: var(--c, #6e6e73); }
.fr-two .us { outline: 2px solid rgba(8,60,113,.18); }
.fr-two .eyebrow { margin-bottom: 6px; }
.fr-fine { margin-top: 26px; max-width: 86ch; font-size: 15px; color: var(--ink2); }

/* tool shell */
.fr-tool { border-radius: var(--r); border: 1px solid var(--line); background: var(--bg2); padding: clamp(16px, 2.6vw, 30px); }
.fr-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(290px, 1fr); gap: 24px; align-items: start; }
@media (max-width: 1000px) { .fr-grid { grid-template-columns: minmax(0, 1fr); } }
.fr-grid > * { min-width: 0; }
.fr-box { width: 100%; background: #070a0e; border-radius: 16px; border: 1px solid var(--line); overflow: hidden; }
.fr-box svg { display: block; width: 100%; height: auto; }
.fr-box [data-k] { cursor: pointer; }
.fr-box [data-k]:focus { outline: none; }
.fr-box [data-k]:focus-visible .fr-hl { stroke: #fff; stroke-width: 2.5; stroke-opacity: 1; }
.fr-ctrl { display: grid; gap: 18px; }
.fr-sub { font-size: 14px; color: var(--ink2); margin-bottom: 8px; }
.fr-sub b { color: var(--ink); font-weight: 600; }
.fr-note { font-size: 12px; line-height: 1.5; color: var(--mute); margin: 12px 0 0; }

/* source chips */
.fr-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.fr-chips button { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; line-height: 1.2; text-align: left; color: var(--ink2); background: rgba(255,255,255,.04); border: 1px solid var(--line); transition: background .2s, border-color .2s, color .2s; }
.fr-chips button:hover { border-color: var(--line2); color: var(--ink); }
.fr-chips button i { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
.fr-chips button[aria-current="true"] { border-color: var(--c); box-shadow: inset 0 0 0 1px var(--c); color: var(--ink); }
.fr-chips.fr-sw button { padding-left: 8px; }
.fr-chips.fr-sw button i { width: 26px; height: 16px; border-radius: 8px; background: rgba(255,255,255,.14); position: relative; transition: background .2s; }
.fr-chips.fr-sw button i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: #c3cbd4; transition: transform .2s var(--ease), background .2s; }
.fr-chips.fr-sw button[aria-pressed="true"] { color: var(--ink); background: rgba(255,255,255,.08); }
.fr-chips.fr-sw button[aria-pressed="true"] i { background: var(--c); }
.fr-chips.fr-sw button[aria-pressed="true"] i::after { transform: translateX(10px); background: #fff; }
.fr-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* selected item card */
.fr-info { padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255,255,255,.03); }
.fr-info h3 { font-size: 20px; letter-spacing: -.015em; line-height: 1.2; }
.fr-tagline { display: inline-flex; align-items: center; gap: 7px; margin: 8px 0 0; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; line-height: 1.35; color: var(--c, var(--ink2)); background: rgba(255,255,255,.04); border: 1px solid var(--line); }
.fr-tagline::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.fr-info p { margin: 12px 0 0; font-size: 14.5px; line-height: 1.55; color: var(--ink2); }
.fr-lists { display: grid; gap: 12px; margin-top: 14px; }
.fr-lists > div { padding-top: 12px; border-top: 1px solid var(--line); }
.fr-lists .h { display: flex; align-items: center; gap: 8px; font: 600 11px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-bottom: 6px; }
.fr-lists ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.fr-lists li { position: relative; padding-left: 18px; font-size: 14px; line-height: 1.5; color: var(--ink2); }
.fr-lists li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid var(--c, var(--amber)); }
.fr-lists .same li::before { border: 0; top: 4px; width: 10px; height: 6px; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); border-radius: 0; transform: rotate(-45deg); }
.fr-where { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.fr-where span, .fr-where button { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: var(--ink); background: rgba(255,255,255,.05); border: 1px solid var(--line2); }
.fr-where i { width: 6px; height: 6px; border-radius: 50%; background: var(--c, var(--cyan)); }
.fr-info .xp-kv { margin-top: 14px; }
.fr-info .xp-kv > div { grid-template-columns: minmax(84px, 34%) minmax(0, 1fr); font-size: 13px; }

/* readouts */
.fr-ro { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.fr-ro > div { min-width: 0; padding: 13px 14px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid var(--line); }
.fr-ro b { display: block; font: 600 22px/1.12 var(--font); letter-spacing: -.02em; font-variant-numeric: tabular-nums; color: var(--ink); overflow-wrap: break-word; }
.fr-ro b.sm { font-size: 17px; line-height: 1.25; }
.fr-ro span { display: block; margin-top: 4px; font-size: 12px; line-height: 1.35; color: var(--mute); }
.fr-ro > div.w { grid-column: 1 / -1; }
.fr-ro > div.hi { border-color: rgba(139,198,81,.45); background: rgba(139,198,81,.07); }
@media (max-width: 420px) { .fr-ro b { font-size: 19px; } .fr-ro b.sm { font-size: 15px; } }

/* method box (Expert) */
.fr-eq { font: 12.5px/1.75 var(--mono); color: var(--ink2); padding: 14px 16px; border-radius: 14px; border: 1px dashed var(--line2); background: rgba(255,255,255,.025); overflow-wrap: anywhere; }
.fr-eq b { color: var(--ink); font-weight: 600; }
.fr-eq .h { display: flex; align-items: center; gap: 8px; font: 600 11px var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-bottom: 6px; }
.fr-eq sub { font-size: .75em; }
.fr-eq .m { color: var(--mute); }
.fr-eq hr { border: 0; border-top: 1px solid var(--line); margin: 8px 0; }

/* planner */
.fr-planctl { display: grid; gap: 16px; }
.fr-lane { display: grid; gap: 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.fr-lane:first-child { padding-top: 0; border-top: 0; }
.fr-lane .hd { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 14px; color: var(--ink2); }
.fr-lane .hd b { color: var(--ink); font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.fr-lane .hd b i { width: 9px; height: 9px; border-radius: 3px; background: var(--c); }
.fr-lane .seg button { font-size: 12.5px; padding: 6px 10px; }
.fr-step { display: inline-flex; align-items: center; gap: 2px; padding: 2px; border-radius: 10px; border: 1px solid var(--line); background: rgba(255,255,255,.04); font: 600 13px var(--mono); color: var(--ink); }
.fr-step button { width: 30px; height: 28px; border-radius: 8px; color: var(--ink2); font-size: 16px; line-height: 1; }
.fr-step button:hover:not(:disabled) { background: rgba(255,255,255,.08); color: var(--ink); }
.fr-step button:disabled { opacity: .3; cursor: default; }
.fr-step output { min-width: 44px; text-align: center; }
.fr-step.off { opacity: .45; }
.fr-step .lb { padding: 0 6px 0 8px; font: 500 12px var(--font); color: var(--mute); }
.fr-year { display: grid; gap: 6px; }
.fr-year .hd { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; color: var(--ink2); }
.fr-year .val { font: 600 26px/1 var(--font); letter-spacing: -.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.fr-year input[type=range] { --c: var(--green); }
.fr-years { display: flex; justify-content: space-between; font: 11px var(--mono); color: var(--mute); padding: 0 4px; }
.fr-notmod { font-size: 13px; line-height: 1.5; color: var(--mute); padding: 12px 14px; border-radius: 12px; border: 1px dashed var(--line2); }
.fr-notmod b { color: var(--ink2); font-weight: 600; }
.fr-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; font-size: 13px; color: var(--ink2); }
.fr-legend span { display: inline-flex; align-items: center; gap: 7px; }
.fr-legend i { width: 12px; height: 12px; border-radius: 3px; background: var(--c); }
.fr-legend i.hatch { background: repeating-linear-gradient(135deg, var(--c) 0 2px, transparent 2px 5px); border: 1px solid var(--c); }
.fr-ill { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; padding: 6px 12px; border-radius: 999px; background: rgba(245,165,36,.1); border: 1px solid rgba(245,165,36,.32); color: #fcd38a; font-size: 13px; line-height: 1.35; }

/* where it happens (uses .explorer, .plan-wrap and .panel from site.css) */
.fr-plan { position: relative; }
.fr-plan .fr-ov { position: absolute; inset: 0; width: 100%; height: 100%; }
.fr-ov .hs { cursor: pointer; }
.fr-ov .hs:focus { outline: none; }
.fr-ov .hs:focus-visible .ring { stroke: var(--cyan); stroke-width: 4; }
.fr-ov .pulse { transform-box: fill-box; transform-origin: center; animation: frPing 2.4s var(--ease) infinite; }
@keyframes frPing { 0% { transform: scale(.75); opacity: .95; } 80%, 100% { transform: scale(1.7); opacity: 0; } }
html.static .fr-ov .pulse { animation: none; opacity: 0; }
.fr-pick { margin-bottom: 14px; }
.fr-pick button { font-size: 13px; }
.fr-pick button[aria-pressed="true"] i { box-shadow: 0 0 0 2px rgba(5,7,9,.9), 0 0 0 3.5px currentColor; }
.panel .fr-lists { margin-top: 16px; }
.panel .fr-panel-tag { margin-top: 10px; }

/* context cards */
.fr-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 44px; }
.fr-cards > article:last-child:nth-child(odd) { grid-column: 1 / -1; }   /* an odd last card takes the full row */
@media (max-width: 860px) { .fr-cards { grid-template-columns: minmax(0, 1fr); } }
.fr-card { display: flex; flex-direction: column; padding: clamp(22px, 2.6vw, 30px); }
.fr-card .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font: 600 11.5px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.fr-card .meta i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
.fr-card .meta em { font-style: normal; color: var(--c2, #3f7a1e); }
.fr-card h3 { margin-top: 12px; font-size: clamp(20px, 2vw, 24px); }
.fr-card p { margin: 12px 0 0; font-size: 15.5px; line-height: 1.55; }
.fr-card .fig { display: flex; align-items: baseline; gap: 10px; margin-top: 16px; }
.fr-card .fig b { font-size: clamp(30px, 3.2vw, 40px); font-weight: 600; letter-spacing: -.035em; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.fr-card .fig span { font-size: 13.5px; color: var(--mute); line-height: 1.35; }
.fr-card .spark { margin-top: 18px; }
.fr-card .spark svg { width: 100%; height: auto; display: block; }
.fr-card .srcs { margin-top: auto; padding-top: 16px; display: grid; gap: 4px; font-size: 13px; }
.fr-card .srcs a { color: #0066cc; overflow-wrap: anywhere; }
.fr-card .srcs a::after { content: " ↗"; }
.fr-card .srcs .d { color: var(--mute); }
.fr-card .xp-kv { margin-top: 14px; }
.fr-card .gap { height: 16px; }
.fr-acc { margin-top: 26px; font-size: 13px; color: var(--mute); }

/* closing band */
.fr-cta h2 { max-width: 16ch; }
.fr-cta .lead { margin-top: 16px; }
.fr-cta .row { margin-top: 28px; }
.fr-next { margin-top: 20px; }
.fr-ro.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 760px) { .fr-ro.c3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .fr-tool { padding: 12px; border-radius: 18px; } }
#frSpecs .src, .fr-info .src, .panel .src { white-space: normal; height: auto; min-height: 18px; padding: 2px 6px; line-height: 1.3; }
@media (max-width: 640px) { #frSpecs.specs { grid-template-columns: repeat(2, minmax(0, 1fr)); } #frSpecs .spec { padding: 14px 12px 12px; } }