/* M07K03 · Field coupling */
.couple-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:34px;align-items:center;padding:76px 0 54px;scroll-margin-top:calc(var(--header-h) + 22px)}
.couple-hero>*{min-width:0}.couple-hero-copy :is(h1,h2){margin:12px 0 18px;max-width:900px;font-size:clamp(2.5rem,5.2vw,5rem);line-height:.98;letter-spacing:-.052em}.couple-hero-copy :is(h1,h2) em{color:var(--accent-3);font-style:normal}.couple-hero-copy>p{margin:0;max-width:820px;color:var(--muted);font-size:1.05rem}.couple-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.couple-hero-card,.couple-card,.couple-panel,.couple-assumption,.couple-note,.couple-scope-grid article,.couple-reading{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}
.couple-hero-card{padding:25px}.couple-hero-card>span,.couple-card>span,.couple-reading>span,.couple-scope-grid article>span{color:var(--accent-3);font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.couple-equation{display:grid;place-items:center;min-height:66px;margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--bg-elevated) 78%,transparent);font-family:var(--em-mono);text-align:center;overflow-wrap:anywhere}.couple-equation.large{min-height:82px;font-size:clamp(1rem,1.8vw,1.26rem)}
.couple-mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.couple-mini-grid div{min-width:0;padding:10px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel-solid) 72%,transparent)}.couple-mini-grid span{display:block;color:var(--muted);font-size:.68rem}.couple-mini-grid strong{display:block;margin-top:4px;font-size:.76rem;overflow-wrap:anywhere}
.couple-foundation{padding:42px 0 68px}.couple-foundation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.couple-card{padding:22px;box-shadow:none}.couple-card.primary{background:color-mix(in srgb,var(--accent-3) 8%,var(--panel));border-color:color-mix(in srgb,var(--accent-3) 34%,var(--line))}.couple-card h3{margin:8px 0;font-size:1.08rem}.couple-card p{margin:8px 0 0;color:var(--muted);font-size:.92rem}.couple-note{display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px;align-items:start;margin-top:14px;padding:20px 22px;box-shadow:none}.couple-note strong{color:var(--warm)}.couple-note p{margin:0;color:var(--muted)}
.couple-lab-section{padding:72px 0 64px;border-block:1px solid var(--line);background:color-mix(in srgb,var(--bg-elevated) 38%,transparent)}.couple-lab-shell{display:grid;grid-template-columns:292px minmax(0,1fr);gap:14px;align-items:start}.couple-controls{position:sticky;top:calc(var(--header-h) + 16px);display:grid;gap:13px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--bg-elevated) 92%,transparent);box-shadow:var(--shadow)}
.couple-control-head{display:flex;align-items:start;justify-content:space-between;gap:12px;padding-bottom:4px}.couple-control-head>div{display:grid;gap:3px}.couple-control-head span{color:var(--muted);font-size:.72rem}.couple-control-head strong{font-size:.88rem}.couple-status{min-width:max-content;padding:4px 7px;border:1px solid var(--line);border-radius:999px;color:var(--accent-3)!important;font-weight:800;letter-spacing:.04em}
.couple-controls label{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px 10px;align-items:center;font-size:.78rem;font-weight:700}.couple-controls label>span{min-width:0}.couple-controls output{color:var(--accent-3);font-family:var(--em-mono);font-size:.74rem}.couple-controls input[type="range"]{grid-column:1/-1;width:100%;min-width:0;accent-color:var(--accent-3)}
.couple-presets{min-width:0;margin:0;padding:10px;border:1px solid var(--line);border-radius:12px}.couple-presets legend{padding:0 5px;color:var(--muted);font-size:.7rem;font-weight:700}.couple-presets>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.couple-presets button{min-width:0;min-height:36px;padding:5px 6px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--text);cursor:pointer;font-size:.68rem;font-weight:750}.couple-presets button:hover,.couple-presets button:focus-visible,.couple-presets button.is-active{border-color:color-mix(in srgb,var(--accent-3) 55%,var(--line));background:color-mix(in srgb,var(--accent-3) 11%,var(--panel))}.couple-reset{width:100%}.couple-assumption{padding:13px;border-radius:12px;box-shadow:none}.couple-assumption strong{font-size:.76rem}.couple-assumption p{margin:5px 0 0;color:var(--muted);font-size:.71rem;line-height:1.45}
.couple-stage{min-width:0;display:grid;gap:14px}.couple-panel{min-width:0;padding:16px;box-shadow:none;overflow:hidden}.couple-panel-head{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:10px}.couple-panel-head>div:first-child{display:grid;gap:3px}.couple-panel-head span{color:var(--muted);font-size:.7rem}.couple-panel-head strong{font-size:.88rem}.couple-readout{text-align:right}.couple-readout strong{display:block;color:var(--accent-3);font-family:var(--em-mono);font-size:.82rem}.couple-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.couple-ring-svg,.couple-profile-svg{width:100%;overflow:hidden;contain:paint}.couple-axis{stroke:var(--line-strong);stroke-width:1.35}.couple-source-disk{fill:color-mix(in srgb,var(--accent-2) 11%,transparent);stroke:var(--accent-2);stroke-width:2}.couple-source-disk.alt{fill:color-mix(in srgb,var(--accent-3) 10%,transparent);stroke:var(--accent-3)}.couple-loop{fill:none;stroke:var(--line-strong);stroke-width:2;stroke-dasharray:6 5}.couple-probe-dot{fill:var(--warm);stroke:var(--panel-solid);stroke-width:2}.couple-tangent{stroke:var(--warm);stroke-width:5;stroke-linecap:round}.couple-tangent-head{fill:var(--warm)}.couple-circ-arrow{fill:none;stroke:var(--accent-3);stroke-width:3;stroke-linecap:round}.couple-circ-arrow.alt{stroke:var(--accent-2)}.couple-flux-dot{fill:var(--accent-2)}.couple-flux-cross{stroke:var(--accent-2);stroke-width:2.5;stroke-linecap:round}.couple-flux-dot.alt{fill:var(--accent-3)}.couple-flux-cross.alt{stroke:var(--accent-3)}.couple-svg-label{fill:var(--muted);font-size:14px;font-family:var(--em-mono)}.couple-svg-label.accent{fill:var(--accent-3)}.couple-svg-label.warm{fill:var(--warm)}.couple-profile{fill:none;stroke:var(--accent-3);stroke-width:3.2}.couple-source-mark{stroke:var(--accent-2);stroke-width:1.6;stroke-dasharray:5 5}.couple-probe-mark{stroke:var(--warm);stroke-width:1.8;stroke-dasharray:4 4}
.couple-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.couple-checks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.couple-metrics div,.couple-checks div{min-width:0;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.couple-metrics span,.couple-checks span{display:block;color:var(--muted);font-size:.69rem}.couple-metrics strong,.couple-checks strong{display:block;margin-top:4px;font-family:var(--em-mono);font-size:.78rem;overflow-wrap:anywhere}.couple-checks strong{color:var(--accent-3)}.couple-reading{padding:18px 20px;box-shadow:none}.couple-reading h3{margin:7px 0 5px;font-size:1rem}.couple-reading p{margin:0;color:var(--muted);font-size:.88rem}
.couple-scope{padding:68px 0 46px}.couple-scope-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.couple-scope-grid article{min-width:0;padding:18px;box-shadow:none}.couple-scope-grid strong{display:block;margin-top:6px}.couple-scope-grid p{margin:7px 0 0;color:var(--muted);font-size:.84rem}
@media (max-width:980px){.couple-hero{grid-template-columns:1fr}.couple-lab-shell{grid-template-columns:1fr}.couple-controls{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.couple-control-head,.couple-presets,.couple-reset,.couple-assumption{grid-column:1/-1}.couple-scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.couple-checks{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.couple-hero{padding-top:50px}.couple-hero-copy :is(h1,h2){font-size:clamp(2.1rem,11vw,3.6rem);overflow-wrap:anywhere}.couple-foundation-grid,.couple-detail-grid,.couple-metrics,.couple-checks,.couple-scope-grid{grid-template-columns:1fr}.couple-note{grid-template-columns:1fr}}
@media (max-width:520px){.couple-controls{grid-template-columns:1fr}.couple-control-head,.couple-presets,.couple-reset,.couple-assumption{grid-column:auto}.couple-mini-grid{grid-template-columns:1fr}.couple-panel{padding:12px}.couple-panel-head{flex-direction:column;gap:6px}.couple-readout{text-align:left}.couple-ring-svg{min-height:270px}.couple-profile-svg{min-height:250px}}

/* C125 Sprachkonsistenz / PRE-RC: längere deutsche Statuslabels dürfen keine intrinsische Breite erzwingen. */
@media (max-width:980px){.couple-controls{min-width:0;max-width:100%}.couple-control-head{min-width:0}.couple-control-head>*{min-width:0}.couple-status{min-width:0;max-width:100%;overflow-wrap:anywhere}}
@media (max-width:520px){.couple-control-head{display:grid;justify-items:start}.couple-controls label,.couple-controls input[type="range"]{min-width:0;max-width:100%}.couple-status{text-align:left}}