/* =========================================================
   Page Technologie (+ À propos + FAQ)
   Préfixe des classes : .tk-
   ========================================================= */

.tk-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* Fond décoratif découpé (évite tout débordement horizontal
   sans casser position: sticky) */
.tk-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.tk-bg + .container, .tk-hero__grid { position: relative; z-index: 1; }

.tk-head { max-width: 860px; margin: 0 auto clamp(56px, 8vw, 96px); }
.tk-head:not(.center) { margin-left: 0; }
.tk-head__lead { margin-top: 24px; }
.center .tk-head__lead { margin-left: auto; margin-right: auto; max-width: 680px; }

.tk-chips { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }

/* Tracé des SVG : pathLength="1" sur les éléments .tk-draw */
html:not(.no-js) .tk-draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset var(--dur, 1.6s) var(--ease) var(--d, 0s);
}

/* =================== HERO =================== */
.tk-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 48px) 0 72px;
}
.tk-hero__orb1 { top: -20%; right: -15%; }
.tk-hero__orb2 { bottom: -35%; left: -25%; opacity: .12; background: radial-gradient(circle, var(--accent-2) 0%, transparent 60%); }
.tk-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(32px, 5vw, 80px);
}
.tk-hero__title {
  font-size: clamp(2.5rem, 6.2vw, 5.75rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin-bottom: 28px;
}
.tk-hero__text .t-lead { max-width: 560px; margin: 0 0 36px; }
.tk-hero__stats {
  list-style: none; padding: 0; margin: 56px 0 0;
  display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: clamp(20px, 4vw, 48px);
  border-top: 1px solid var(--line); padding-top: 28px;
}
.tk-hero__stats strong { display: block; font-size: clamp(1.5rem, 2.6vw, 2.25rem); letter-spacing: -0.03em; line-height: 1.1; }
.tk-hero__stats span { font-size: var(--fs-small); color: var(--text-dim); }

/* Cellule en coupe */
.tk-cell { margin: 0; position: relative; }
.tk-cell__inner { position: relative; width: min(100%, 600px); margin: 0 auto; aspect-ratio: 1; }
.tk-cell__svg { width: 100%; height: 100%; overflow: visible; }
.tk-casing { fill: none; stroke: #232932; stroke-width: 16; }
.tk-casing-in { fill: none; stroke: rgba(255,255,255,.22); stroke-width: 1.5; }
.tk-mandrel { fill: none; stroke: rgba(255,255,255,.5); stroke-width: 2; }
.tk-core-dot { fill: var(--accent); }
.tk-fallback-ring { fill: none; stroke: var(--accent); stroke-width: 3; opacity: .6; }
.tk-fallback-ring--b { stroke: var(--accent-2); }

.tk-jelly .tk-layer { fill: none; stroke-linecap: round; }
.tk-layer--cathode { stroke: var(--accent-2); stroke-width: 3.4; opacity: .9; }
.tk-layer--anode { stroke: var(--accent); stroke-width: 3.4; opacity: .9; }
.tk-layer--sep { stroke: rgba(255,255,255,.2); stroke-width: 1.1; }
.tk-layer--flow {
  stroke: #fff; stroke-width: 2.6; opacity: 0;
  stroke-dasharray: .012 .123;
  filter: url(#tkGlow);
  transition: opacity 1.2s ease 2.2s;
}
.tk-cell.is-on .tk-layer--flow { opacity: .85; animation: tkFlow 26s linear infinite; }
.tk-cell.is-on .tk-layer--flow.is-rev { animation-direction: reverse; animation-duration: 32s; }
@keyframes tkFlow { to { stroke-dashoffset: -1.35; } }

.tk-cell.is-on .tk-draw { stroke-dashoffset: 0; }
.tk-jelly { transform-box: view-box; transform-origin: 300px 300px; }
.tk-cell.is-on .tk-jelly { animation: tkSpin 120s linear infinite; }
@keyframes tkSpin { to { transform: rotate(360deg); } }
.tk-core-dot { animation: tkPulse 3.2s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes tkPulse { 50% { opacity: .45; transform: scale(.75); } }

.tk-tag {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 500; color: var(--text); white-space: nowrap;
  background: rgba(12, 14, 18, .66); border: 1px solid var(--line-strong);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.tk-tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.tk-tag--1 { top: 6%; left: 0; }
.tk-tag--1 i { background: #9aa3ad; box-shadow: none; }
.tk-tag--2 { top: 24%; right: -2%; }
.tk-tag--2 i { background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }
.tk-tag--3 { bottom: 20%; left: -3%; }
.tk-tag--3 i { background: #fff; box-shadow: 0 0 10px #fff; }
.tk-tag--4 { bottom: 4%; right: 6%; }
html:not(.no-js) .tk-cell:not(.is-on) .tk-tag { opacity: 0; transform: translateY(10px); }
.tk-cell.is-on .tk-tag { transition-delay: calc(1.6s + var(--td, 0s)); }
.tk-cell.is-on .tk-tag--2 { --td: .15s; } .tk-cell.is-on .tk-tag--3 { --td: .3s; } .tk-cell.is-on .tk-tag--4 { --td: .45s; }

@media (max-width: 900px) {
  .tk-hero { min-height: 0; padding-top: calc(var(--nav-h) + 40px); }
  .tk-hero__grid { grid-template-columns: 1fr; }
  .tk-cell__inner { width: min(100%, 460px); }
}
@media (max-width: 520px) {
  .tk-hero__stats { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .tk-hero__stats span { font-size: 0.75rem; display: block; line-height: 1.3; }
  .tk-tag { font-size: 0.6875rem; padding: 5px 9px; }
  .tk-tag--2 { right: 0; } .tk-tag--3 { left: 0; }
}

/* =================== ANATOMIE =================== */
.tk-anat__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.tk-anat__visual {
  position: sticky;
  top: calc(var(--nav-h) + 3vh);
  height: calc(100vh - var(--nav-h) - 6vh);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  z-index: 2;
}
.tk-anat__stage {
  position: relative;
  width: min(100%, 560px, calc(100vh - var(--nav-h) - 6vh - 120px));
  aspect-ratio: 1;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 45%, rgba(62,240,161,.10), transparent 62%),
    linear-gradient(180deg, #0d1014, #08090c);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 40px 120px rgba(0,0,0,.5);
}
.tk-ill {
  position: absolute; inset: 7%; width: 86%; height: 86%;
  opacity: 0; transform: scale(.94);
  transition: opacity .7s var(--ease), transform 1s var(--ease);
  overflow: visible;
}
.tk-ill.is-active { opacity: 1; transform: none; }
.tk-ill.is-active .tk-draw { stroke-dashoffset: 0; }
.no-js .tk-ill:not([data-ill="0"]) { display: none; }

.tk-ill text { font-family: var(--font); }
.ill-label { fill: var(--text); font-size: 17px; font-weight: 600; letter-spacing: .02em; }
.ill-label--strong { font-size: 18px; letter-spacing: .12em; }
.ill-label--accent { fill: var(--accent); font-size: 18px; }
.ill-small { fill: var(--text-dim); font-size: 11.5px; font-weight: 500; letter-spacing: .08em; }
.ill-badge { fill: var(--accent); font-size: 32px; font-weight: 800; }
.ill-body { fill: none; stroke: rgba(255,255,255,.55); stroke-width: 2; stroke-linejoin: round; }
.ill-faint { fill: none; stroke: rgba(255,255,255,.18); stroke-width: 1.5; }
.ill-dash { stroke: rgba(255,255,255,.28); }
.ill-accent { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.ill-trace { fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; opacity: .75; }
.ill-curve { fill: none; stroke: url(#tkGradAccent); stroke-width: 3; stroke-linecap: round; filter: url(#tkGlow); }
.ill-metal { fill: url(#tkGradMetal); stroke: rgba(255,255,255,.25); stroke-width: 1; }
.ill-chip { fill: #0e1a16; stroke: var(--accent); stroke-width: 1.5; }
.ill-pad { fill: var(--accent-2); }
.ill-led { fill: var(--accent); filter: url(#tkGlow); }
.ill-cell { fill: url(#tkGradMetal); stroke: rgba(255,255,255,.3); stroke-width: 1.5; }
.ill-strip { fill: url(#tkGradNickel); opacity: .9; }
.ill-welds circle { fill: #fff; filter: url(#tkGlow); }
.ill-track { fill: rgba(255,255,255,.07); }
.ill-bar { fill: url(#tkGradAccent); }
.ill-flow { fill: none; stroke: #fff; stroke-width: 3; stroke-linecap: round; stroke-dasharray: .06 .94; stroke-dashoffset: 1; opacity: 0; filter: url(#tkGlow); }
.tk-ill.is-active .ill-flow { opacity: .9; animation: tkTrace 2.6s linear 1.4s infinite; }
.tk-ill.is-active .ill-flow--b { animation-delay: 2s; }
@keyframes tkTrace { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

/* Apparitions internes des illustrations */
html:not(.no-js) .ill-fade { opacity: 0; transition: opacity .8s ease var(--d, 0s); }
html:not(.no-js) .ill-pop,
html:not(.no-js) .ill-welds circle { opacity: 0; transform: scale(.2); transform-box: fill-box; transform-origin: center; transition: opacity .5s ease var(--d, 0s), transform .7s var(--ease) var(--d, 0s); }
html:not(.no-js) .ill-charge { transform: scaleY(0); transform-box: fill-box; transform-origin: 50% 100%; transition: transform 1.6s var(--ease) var(--d, 0s); }
html:not(.no-js) .ill-strip { transform: scaleX(0); transform-box: fill-box; transform-origin: 0 50%; transition: transform 1s var(--ease) var(--d, 0s); }
html:not(.no-js) .ill-bar { transform: scaleX(0); transform-box: fill-box; transform-origin: 0 50%; transition: transform 1.4s var(--ease) var(--d, 0s); }
.ill-charge { fill: url(#tkGradCharge); }
.tk-ill.is-active .ill-fade,
.tk-ill.is-active .ill-pop,
.tk-ill.is-active .ill-welds circle { opacity: 1; transform: none; }
.tk-ill.is-active .ill-charge,
.tk-ill.is-active .ill-strip,
.tk-ill.is-active .ill-bar { transform: none; }

/* Progression */
.tk-anat__progress { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; }
.tk-anat__dot {
  position: relative; padding: 8px 14px; border-radius: 999px;
  font-size: 0.8125rem; font-weight: 500; color: var(--text-faint);
  transition: color .4s, background .4s;
}
.tk-anat__dot:hover { color: var(--text); }
.tk-anat__dot.is-active { color: #031b10; background: var(--accent); }
.tk-anat__dot:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* Étapes */
.tk-step {
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 48px 0;
  transition: opacity .6s var(--ease);
}
html:not(.no-js):not(.reduced-motion) .tk-step:not(.is-active) { opacity: .28; }
.tk-step__num {
  display: inline-block; margin-bottom: 20px;
  font-size: 0.8125rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
.tk-step h3 { margin-bottom: 24px; }
.tk-step .t-lead { margin: 0 0 16px; }
.tk-step p { margin: 0 0 12px; }
.tk-checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.tk-checks li { position: relative; padding-left: 34px; color: var(--text-dim); }
.tk-checks li strong { color: var(--text); font-weight: 600; }
.tk-checks li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(62,240,161,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233ef0a1' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 13px no-repeat;
  border: 1px solid rgba(62,240,161,.35);
}

@media (max-width: 900px) {
  .tk-anat__grid { grid-template-columns: 1fr; gap: 0; }
  .tk-anat__visual {
    top: var(--nav-h);
    height: auto;
    padding: 12px 0 20px;
    gap: 14px;
    background: linear-gradient(180deg, var(--bg) 82%, rgba(5,6,8,0));
  }
  .tk-anat__stage { width: min(100%, 38vh, 340px); }
  .tk-step { min-height: 70vh; padding: 32px 0; justify-content: flex-start; }
  .tk-anat__dot { padding: 6px 10px; font-size: 0.75rem; }
}
@media (max-width: 380px) {
  .tk-anat__dot { padding: 6px 8px; font-size: 0.6875rem; }
}

/* =================== STANDARD vs PERFORMANCE =================== */
.tk-chem__orb { top: 10%; left: -30%; opacity: .1; background: radial-gradient(circle, var(--accent-2) 0%, transparent 60%); }

/* Fiches des deux séries */
.tk-lines { margin-bottom: clamp(72px, 10vw, 128px); }
.tk-line h3 { margin-bottom: 12px; }
.tk-line p { margin: 0; }
.tk-line--std { background: linear-gradient(160deg, rgba(47,183,255,.10), var(--bg-card) 55%); }
.tk-line--perf { background: linear-gradient(160deg, rgba(62,240,161,.12), var(--bg-card) 55%); border-color: rgba(62,240,161,.22); }
.tk-line--std .eyebrow { color: var(--accent-2); }
.chip--accent { color: var(--accent); border-color: rgba(62,240,161,.4); background: rgba(62,240,161,.06); }

/* Tabless expliqué */
.tk-tabless {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 6vw, 96px); align-items: center;
  margin-bottom: clamp(72px, 10vw, 128px);
}
.tk-tabless__text h3 { margin-bottom: 20px; }
.tk-tabless__text > p { margin: 0; }
.tk-tabless__fig {
  margin: 0; padding: clamp(20px, 3vw, 36px);
  border-radius: var(--radius); border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 30%, rgba(62,240,161,.07), transparent 65%), linear-gradient(180deg, #0d1014, #08090c);
}
.tk-tabless__svg { width: 100%; height: auto; }
.tk-tabless__fig figcaption { color: var(--text-faint); margin-top: 16px; }
.tk-tabless__svg text { font-family: var(--font); }
.tl-body { fill: rgba(255,255,255,.02); stroke: rgba(255,255,255,.4); stroke-width: 2; }
.tl-body--perf { stroke: rgba(62,240,161,.6); }
.tl-layers { fill: none; stroke: rgba(255,255,255,.12); stroke-width: 6; }
.tl-cap { fill: url(#tkGradMetal); stroke: rgba(255,255,255,.3); }
.tl-tab { fill: none; stroke: url(#tkGradNickel); stroke-width: 6; stroke-linecap: round; }
.tl-tab--perf { stroke-width: 10; }
.tl-plate { fill: url(#tkGradNickel); opacity: .85; }
.tl-flow { fill: none; stroke-width: 2.6; stroke-linecap: round; stroke-dasharray: .05 .08; opacity: .95; }
.tl-flow--std { stroke: #ffb35c; }
.tl-flow--perf { stroke: var(--accent); stroke-width: 3.2; }
.tl-label { fill: var(--text); font-size: 16px; font-weight: 600; }
.tl-label--accent { fill: var(--accent); }
.tl-sub { fill: var(--text-dim); font-size: 10.5px; font-weight: 500; letter-spacing: .08em; }
.tk-tabless__fig.is-in .tl-flow { animation: tkTabFlow 2.4s linear infinite; }
.tk-tabless__fig.is-in .tl-flow--std { animation-duration: 4.2s; }
.tk-tabless__fig.is-in .tl-flow--d2 { animation-delay: -.8s; }
.tk-tabless__fig.is-in .tl-flow--d3 { animation-delay: -1.6s; }
.tk-tabless__fig.is-in .tl-flow--d4 { animation-delay: -2.4s; }
@keyframes tkTabFlow { to { stroke-dashoffset: -1.04; } }
.tl-hot { transform-box: fill-box; transform-origin: center; }
.tk-tabless__fig.is-in .tl-hot { animation: tkHot 2.8s ease-in-out infinite; }
@keyframes tkHot { 50% { opacity: .55; transform: scale(.88); } }

/* Comparaison qualitative */
.tk-cmp-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; margin-bottom: 18px; }
.tk-cmp-badge { color: var(--accent); border-color: rgba(62,240,161,.4); text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; font-weight: 600; }
.tk-legend { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 28px; font-size: 0.9375rem; color: var(--text-dim); }
.tk-legend__item { display: inline-flex; align-items: center; gap: 10px; }
.tk-legend__item::before { content: ""; width: 26px; height: 8px; border-radius: 8px; }
.tk-legend__item--std::before { background: var(--accent-2); }
.tk-legend__item--perf::before { background: var(--accent); }

.tk-chem__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tk-metric__title { font-size: var(--fs-h3); letter-spacing: -0.02em; line-height: 1.2; }
.tk-metric__unit { margin: 6px 0 28px; font-size: var(--fs-small); color: var(--text-faint); }
.tk-metric__note { margin: 24px 0 0; font-size: var(--fs-small); color: var(--text-dim); }
.tk-metric__note strong { color: var(--text); font-weight: 600; }

.tk-lvl { display: grid; grid-template-columns: 104px 1fr 92px; align-items: center; gap: 14px; }
.tk-lvl + .tk-lvl { margin-top: 16px; }
.tk-lvl__name { font-size: 0.8125rem; font-weight: 600; letter-spacing: .04em; color: var(--text-dim); }
.tk-lvl__pips { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; }
.tk-lvl__pips i { display: block; height: 12px; border-radius: 4px; background: rgba(255,255,255,.06); transition: background .5s ease, box-shadow .5s ease; }
.tk-lvl__pips i:nth-child(2) { transition-delay: .12s; }
.tk-lvl__pips i:nth-child(3) { transition-delay: .24s; }
.tk-lvl__pips i:nth-child(4) { transition-delay: .36s; }
.tk-lvl__pips i:nth-child(5) { transition-delay: .48s; }
.tk-lvl--std .tk-lvl__pips i.on { background: var(--accent-2); box-shadow: 0 0 14px rgba(47,183,255,.4); }
.tk-lvl--perf .tk-lvl__pips i.on { background: var(--accent); box-shadow: 0 0 14px rgba(62,240,161,.4); }
html:not(.no-js) .tk-metric:not(.is-in) .tk-lvl__pips i.on { background: rgba(255,255,255,.06); box-shadow: none; }
.tk-lvl__val { text-align: right; font-size: 0.9375rem; font-weight: 600; color: var(--text); white-space: nowrap; }

.tk-usage { margin: 0; display: grid; gap: 14px; }
.tk-usage__row { padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: rgba(255,255,255,.02); }
.tk-usage__row dt { font-size: 0.8125rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 4px; }
.tk-usage__row--std dt { color: var(--accent-2); }
.tk-usage__row--perf dt { color: var(--accent); }
.tk-usage__row dd { margin: 0; color: var(--text-dim); font-size: 0.9375rem; }

.tk-chem__disclaimer { color: var(--text-faint); margin: 24px 0 0; max-width: 760px; }

/* Mini-liste dans l'étape Cellules + encadré BMS */
.tk-lines-mini { list-style: none; padding: 0; margin: 8px 0 20px; display: grid; gap: 10px; }
.tk-lines-mini li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: rgba(255,255,255,.02); }
.tk-lines-mini strong { font-weight: 600; min-width: 110px; }
.tk-lines-mini li:first-child strong { color: var(--accent-2); }
.tk-lines-mini li:last-child strong { color: var(--accent); }
.tk-lines-mini span { color: var(--text-dim); font-size: 0.9375rem; }
.tk-why { margin-top: 24px; padding: 18px 20px; border-radius: var(--radius-sm); border: 1px solid rgba(62,240,161,.25); background: rgba(62,240,161,.05); }
.tk-why p { margin: 0; color: var(--text-dim); font-size: 0.9375rem; }
.tk-why p + p { margin-top: 8px; }
.tk-why strong { color: var(--text); font-weight: 600; }
.tk-step .tk-why__title { color: var(--text); font-weight: 600; font-size: 1rem; margin: 0; }

@media (max-width: 900px) {
  .tk-chem__grid, .tk-tabless { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .tk-lvl { grid-template-columns: 1fr auto; gap: 8px 10px; }
  .tk-lvl__pips { grid-column: 1 / -1; grid-row: 2; }
  .tk-lvl + .tk-lvl { margin-top: 18px; }
}

/* =================== ARCHITECTURE =================== */
.tk-arch__grid { display: grid; grid-template-columns: .8fr 1.4fr; gap: 20px; align-items: stretch; }
.tk-arch__explain { display: grid; gap: 20px; align-content: stretch; }
.tk-arch__card h3 { margin: 18px 0 10px; }
.tk-arch__card p { margin: 0; font-size: 0.9375rem; }
.tk-arch__letter {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
  font-size: 1.375rem; font-weight: 800;
}
.tk-arch__card--s .tk-arch__letter { color: var(--accent-2); background: rgba(47,183,255,.1); border: 1px solid rgba(47,183,255,.35); }
.tk-arch__card--p .tk-arch__letter { color: var(--accent); background: rgba(62,240,161,.08); border: 1px solid rgba(62,240,161,.3); }

.tk-arch__fig { margin: 0; display: flex; flex-direction: column; gap: 20px; background: linear-gradient(180deg, #0d1014, #08090c); }
.tk-arch__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px 24px; }
.tk-arch__config { margin: 0; display: flex; flex-direction: column; }
.tk-arch__config span { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.tk-arch__config small { margin-top: 6px; font-size: 0.75rem; color: var(--text-faint); letter-spacing: .1em; text-transform: uppercase; }
.tk-arch__read { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.tk-arch__read span { display: flex; flex-direction: column; font-size: 0.75rem; color: var(--text-faint); letter-spacing: .04em; }
.tk-arch__read b { font-size: 1.125rem; color: var(--text); font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; white-space: nowrap; }

.tk-arch__svgwrap { border-radius: var(--radius-sm); border: 1px solid var(--line); background: radial-gradient(circle at 50% 50%, rgba(62,240,161,.06), transparent 70%); padding: 8px; }
.tk-arch__svg { width: 100%; height: auto; }
.tk-arch__svg text { font-family: var(--font); }
.ar-group { fill: rgba(62,240,161,.05); stroke: rgba(62,240,161,.45); stroke-width: 1.5; }
.ar-cell__body { fill: #2a313b; stroke: rgba(255,255,255,.5); stroke-width: 1.2; }
.ar-cell__cap { fill: rgba(255,255,255,.22); }
.ar-wire { fill: none; stroke: var(--accent-2); stroke-width: 3; stroke-linejoin: round; opacity: .55; }
.ar-flow { fill: none; stroke: #fff; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: .012 .028; opacity: .9; animation: tkArFlow 9s linear infinite; }
@keyframes tkArFlow { to { stroke-dashoffset: -.4; } }
.ar-num { fill: var(--text-faint); font-size: 12px; font-weight: 600; }
.ar-term { stroke-width: 2; fill: #0c0e12; }
.ar-term--neg { stroke: var(--accent-2); }
.ar-term--pos { stroke: var(--accent); }
.ar-term-t { fill: var(--text); font-size: 15px; font-weight: 700; }
.tk-arch__fig.is-wait .ar-cell, .tk-arch__fig.is-wait .ar-group { opacity: 0; }
.tk-arch__svg.is-anim .ar-cell { animation: tkArPop .6s var(--ease) var(--d, 0s) both; transform-box: fill-box; transform-origin: center; }
.tk-arch__svg.is-anim .ar-group { animation: tkArFade .8s ease both; }
.tk-arch__svg.is-anim .ar-wire { stroke-dasharray: 1; animation: tkArDraw 1.8s var(--ease) .5s both; }
@keyframes tkArPop { from { opacity: 0; transform: scale(.2); } }
@keyframes tkArFade { from { opacity: 0; } }
@keyframes tkArDraw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

.tk-arch__controls { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 28px; }
.tk-range { display: grid; gap: 10px; font-size: 0.875rem; color: var(--text-dim); }
.tk-range span { display: flex; justify-content: space-between; gap: 12px; }
.tk-range b { color: var(--text); font-variant-numeric: tabular-nums; }
.tk-range input {
  -webkit-appearance: none; appearance: none; width: 100%; height: 28px; margin: 0; background: transparent; cursor: pointer;
  --c: var(--accent);
}
.tk-range--s input { --c: var(--accent-2); }
.tk-range input::-webkit-slider-runnable-track { height: 6px; border-radius: 6px; background: rgba(255,255,255,.1); }
.tk-range input::-moz-range-track { height: 6px; border-radius: 6px; background: rgba(255,255,255,.1); }
.tk-range input::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -8px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 5px rgba(255,255,255,.06), 0 0 18px var(--c); border: 0; }
.tk-range input::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--c); box-shadow: 0 0 18px var(--c); border: 0; }
.tk-range input:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 4px; border-radius: 8px; }

.tk-arch__flag { margin: 0; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.875rem; border: 1px solid var(--line); color: var(--text-dim); }
.tk-arch__flag[data-state="ok"] { border-color: rgba(62,240,161,.3); background: rgba(62,240,161,.06); color: var(--text); }
.tk-arch__flag[data-state="warn"] { border-color: rgba(255,179,92,.4); background: rgba(255,179,92,.07); color: var(--text); }
.tk-arch__flag[data-state="info"] { border-color: rgba(47,183,255,.35); background: rgba(47,183,255,.07); color: var(--text); }
.tk-arch__cap { color: var(--text-faint); margin: 0; }
.tk-arch__viz { align-self: flex-start; }
.tk-arch__viz::after { content: none; }
.tk-arch__read-max b { color: var(--text-dim); }

.tk-arch__facts { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tk-arch__facts p { margin: 0; color: var(--text-dim); font-size: 0.9375rem; }
.tk-arch__facts strong { color: var(--text); font-weight: 600; }
.tk-arch__fact-k { display: block; margin-bottom: 10px; font-size: 0.75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }

@media (max-width: 1000px) {
  .tk-arch__grid { grid-template-columns: 1fr; }
  .tk-arch__explain { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .tk-arch__facts { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .tk-arch__explain, .tk-arch__controls { grid-template-columns: 1fr; }
  .tk-arch__read { gap: 8px 18px; }
  .tk-arch__read b { font-size: 1rem; }
}

/* =================== ENGAGEMENT =================== */
.tk-promise__orb { top: 20%; left: 50%; transform: translateX(-50%); opacity: .14; }
.tk-promise .tk-head__lead { color: var(--text); }
.tk-promise__steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tk-pstep h3 { margin: 22px 0 10px; }
.tk-pstep p { margin: 0; font-size: 0.9375rem; }
.tk-pstep__n { font-size: 0.8125rem; font-weight: 700; letter-spacing: .14em; color: var(--accent); }
.tk-pstep::after {
  content: ""; position: absolute; left: clamp(24px, 3vw, 40px); right: clamp(24px, 3vw, 40px); top: 0; height: 2px;
  background: var(--accent-grad); opacity: 0; transition: opacity .6s;
}
.tk-pstep:hover::after, .tk-pstep--accent::after { opacity: .8; }
.tk-pstep--accent { border-color: rgba(62,240,161,.3); background: linear-gradient(160deg, rgba(62,240,161,.12), var(--bg-card) 60%); }
.tk-promise__cta { margin-top: 40px; justify-content: center; }
@media (max-width: 900px) { .tk-promise__steps { grid-template-columns: 1fr; } }

/* Ajouts aux illustrations « Anatomie » */
.ill-tab { fill: none; stroke: url(#tkGradNickel); stroke-width: 4; stroke-linecap: round; }
.ill-tab--multi { stroke: var(--accent); stroke-width: 2.4; }
.ill-bolt { fill: var(--accent); filter: url(#tkGlow); }
.ill-charge--std { fill: url(#tkGradChargeStd); }
.ill-wave { fill: none; stroke: var(--accent-2); stroke-width: 2.4; stroke-linecap: round; opacity: 0; }
.tk-ill.is-active .ill-wave { animation: tkWave 2.4s ease-in-out 1.2s infinite; }
.tk-ill.is-active .ill-wave--2 { animation-delay: 1.45s; }
.tk-ill.is-active .ill-wave--3 { animation-delay: 1.7s; }
@keyframes tkWave { 0%, 100% { opacity: .15; } 40% { opacity: 1; } }
.tk-tl__link { margin-top: 12px; font-size: 0.9375rem; }

/* =================== SÉCURITÉ — vue éclatée =================== */
.tk-safe { border-top: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-elev), var(--bg) 30%); }
.tk-safe__orb { top: 8%; left: 50%; transform: translateX(-50%); opacity: .1; }
.tk-safe .tk-head h2 { text-wrap: balance; }
.tk-safe .tk-head__lead { color: var(--text); max-width: 760px; }

.tk-safe__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.tk-safe__visual {
  position: sticky;
  top: calc(var(--nav-h) + 3vh);
  height: calc(100vh - var(--nav-h) - 6vh);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  z-index: 2;
}
.tk-safe__stage {
  position: relative; margin: 0;
  width: min(100%, 580px, calc((100vh - var(--nav-h) - 6vh - 90px) * 420 / 380));
  aspect-ratio: 420 / 380;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 55%, rgba(62,240,161,.09), transparent 60%),
    linear-gradient(180deg, #0d1014, #08090c);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 40px 120px rgba(0,0,0,.5);
}
.tk-safe__svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.tk-safe__svg text { font-family: var(--font); }
.tk-safe__cap {
  position: absolute; left: 18px; top: 16px; display: flex; align-items: baseline; gap: 10px;
  font-size: 0.8125rem; font-weight: 600; color: var(--text);
  padding: 7px 12px; border-radius: 999px; background: rgba(12,14,18,.7); border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.tk-safe__cap b { color: var(--accent); letter-spacing: .1em; font-size: 0.75rem; }

.tk-safe__nav { width: 100%; display: flex; justify-content: center; }
.tk-safe__dots { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; }
.tk-safe__dot {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.8125rem; font-weight: 600; color: var(--text-faint);
  border: 1px solid var(--line-strong);
  transition: color .4s, background .4s, border-color .4s;
}
.tk-safe__dot:hover { color: var(--text); border-color: var(--text-dim); }
.tk-safe__dot.is-done { color: var(--accent); border-color: rgba(62,240,161,.45); }
.tk-safe__dot.is-active { color: #031b10; background: var(--accent); border-color: var(--accent); }
.tk-safe__dot:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.tk-safe__steps { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.tk-sstep {
  min-height: 78vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 40px 0;
  transition: opacity .6s var(--ease);
}
html:not(.no-js):not(.reduced-motion) .tk-sstep:not(.is-active) { opacity: .28; }
.tk-sstep__title { font-size: clamp(1.75rem, 3.6vw, 3rem); letter-spacing: -0.035em; line-height: 1.05; margin-bottom: 20px; }
.tk-sstep .t-lead { margin: 0; max-width: 520px; }

/* Couches du schéma : posées (is-built) / courante (is-current) */
.sf-part {
  transform-box: fill-box; transform-origin: center;
  transition: transform 1s var(--ease) var(--d, 0s), opacity .7s ease var(--d, 0s);
}
.sf-l:not(.is-built) .sf-part { opacity: 0; transform: var(--ex, none); }
.sf-l { transition: opacity .6s ease, filter .6s ease; }
.sf-l.is-built:not(.is-current) { opacity: .62; }
.sf-l--isolation.is-built:not(.is-current) { opacity: .85; }
.sf-l.is-current { filter: drop-shadow(0 0 10px rgba(62,240,161,.35)); }

.sf-cell__body { fill: url(#tkGradMetal); stroke: rgba(255,255,255,.32); stroke-width: 1.2; }
.sf-cell__cap { fill: #aab2bd; opacity: .8; }
.sf-ring { fill: none; stroke: #d9cfb8; stroke-width: 4.2; opacity: .75; transition: stroke .6s; }
.sf-ins { fill: none; stroke: #d9cfb8; stroke-width: 2.6; stroke-linejoin: round; stroke-linecap: round; opacity: .7; transition: stroke .6s; }
.sf-l--isolation.is-current .sf-ring,
.sf-l--isolation.is-current .sf-ins { stroke: var(--accent); opacity: 1; }

.sf-frame { fill: url(#sfInfill); stroke: rgba(62,240,161,.4); stroke-width: 1.2; }
.sf-boss { fill: #0b0d10; stroke: rgba(62,240,161,.55); stroke-width: 1.2; }
.sf-rib { fill: none; stroke: rgba(62,240,161,.55); stroke-width: 3; stroke-linecap: round; }
.sf-l--structure.is-current .sf-frame { stroke: var(--accent); stroke-width: 2; }

.sf-wire { fill: none; stroke-width: 7; stroke-linecap: round; }
.sf-wire--neg { stroke: #4b535f; }
.sf-wire--pos { stroke: #c9473f; }
.sf-grommet__body { fill: #23313a; stroke: rgba(47,183,255,.55); stroke-width: 1.3; }
.sf-grommet__lip { fill: rgba(47,183,255,.45); }
.sf-grommet__hole { fill: #0b0d10; stroke: rgba(255,255,255,.3); stroke-width: 1; }
.sf-l--cables.is-current .sf-grommet__body { stroke: var(--accent); stroke-width: 2; }

.sf-panel { fill: url(#sfFibre); stroke: rgba(214,196,160,.35); stroke-width: 1; }
.sf-l--caisson.is-current .sf-panel { stroke: var(--accent); }

.sf-shrink__skin { fill: url(#sfGloss); stroke: rgba(47,183,255,.6); stroke-width: 3.2; }
.sf-shrink__hi { fill: none; stroke: rgba(255,255,255,.5); stroke-width: 2.2; stroke-linecap: round; }
.sf-l--gaine.is-current .sf-shrink__skin { stroke: var(--accent); }

.sf-strap { fill: none; stroke: #3b4350; stroke-width: 13; stroke-linecap: round; }
.sf-strap__stitch { fill: none; stroke: rgba(255,255,255,.35); stroke-width: 1.2; stroke-dasharray: 4 4; }
.sf-strap__tab { fill: #4a5361; stroke: rgba(255,255,255,.2); }
.sf-l--poignees.is-current .sf-strap { stroke: #2f6b55; }
.sf-l--poignees.is-current .sf-strap__stitch { stroke: var(--accent); }

.sf-legend { fill: var(--text-faint); font-size: 10.5px; font-weight: 500; letter-spacing: .12em; }

/* Ligne complémentaire : BMS + garantie */
.tk-safe__more { margin-top: clamp(56px, 8vw, 96px); }
.tk-safe__more-title { margin: 0 0 24px; font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.tk-safety__grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tk-norm p { margin: 0; color: var(--text-dim); font-size: 0.9375rem; }
.tk-norm__title { font-size: 1.375rem; letter-spacing: -0.02em; margin: 24px 0 10px; }
.tk-norm--accent { border-color: rgba(62,240,161,.3); background: linear-gradient(160deg, rgba(62,240,161,.12), rgba(255,255,255,.03) 60%); }

@media (max-width: 900px) {
  .tk-safe__grid { grid-template-columns: 1fr; gap: 0; }
  .tk-safe__visual {
    top: var(--nav-h);
    height: auto;
    padding: 10px 0 30px;
    gap: 10px;
    background: linear-gradient(180deg, var(--bg) calc(100% - 22px), rgba(5,6,8,0));
  }
  .tk-safe__stage { width: min(100%, 40vh, 400px); border-radius: var(--radius-sm); }
  .tk-safe__cap { left: 10px; top: 10px; font-size: 0.75rem; padding: 5px 10px; }
  .tk-safe__dot { width: 30px; height: 30px; font-size: 0.75rem; }
  .tk-sstep { min-height: 52vh; padding: 28px 0; justify-content: flex-start; }
}

/* =================== IMPLANTATION =================== */
.tk-implant { padding-top: 0; }
.tk-implant__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.tk-implant__text h2 { margin-bottom: 24px; }
.tk-implant__text .t-lead { margin: 0 0 16px; color: var(--text); }
.tk-implant__text .t-dim { margin: 0 0 32px; }
.tk-implant__fig {
  margin: 0; padding: clamp(16px, 3vw, 32px);
  border-radius: var(--radius); border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 45%, rgba(47,183,255,.07), transparent 65%), linear-gradient(180deg, #0d1014, #08090c);
}
.tk-implant__svg { width: 100%; height: auto; overflow: visible; }
.tk-implant__svg text { font-family: var(--font); }
.tk-implant__fig figcaption { color: var(--text-faint); margin-top: 12px; }
.im-shell { fill: url(#tkGradMetal); stroke: rgba(255,255,255,.3); stroke-width: 1.4; }
.im-inner { fill: #07080a; stroke: rgba(255,255,255,.08); }
.im-tab { fill: #262b33; stroke: rgba(255,255,255,.22); }
.im-hole { fill: #07080a; stroke: rgba(255,255,255,.3); }
.im-bolt { fill: #aab2bd; }
.im-pack__skin { fill: rgba(47,183,255,.08); stroke: rgba(47,183,255,.6); stroke-width: 2.4; }
.im-cell { fill: #2a313b; stroke: rgba(255,255,255,.35); stroke-width: 1; }
.im-ring { fill: none; stroke: #d9cfb8; stroke-width: 2.4; opacity: .6; }
.im-dim__line { fill: none; stroke: var(--accent); stroke-width: 1.4; opacity: .7; }
.im-dim__t { fill: var(--accent); font-size: 10.5px; font-weight: 600; letter-spacing: .14em; }
.im-label { fill: var(--text-dim); font-size: 11px; font-weight: 500; letter-spacing: .1em; }
.im-pack, .im-lid, .im-dim { transition: transform 1.2s var(--ease), opacity .9s ease; }
.im-lid { transition-delay: .5s; }
.im-dim { transition-delay: .9s; }
html:not(.no-js):not(.reduced-motion) .tk-implant__fig:not(.is-in) .im-pack { transform: translateY(-70px); opacity: 0; }
html:not(.no-js):not(.reduced-motion) .tk-implant__fig:not(.is-in) .im-lid { transform: translateY(-30px); opacity: 0; }
html:not(.no-js):not(.reduced-motion) .tk-implant__fig:not(.is-in) .im-dim { opacity: 0; }

@media (max-width: 900px) {
  .tk-implant__grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .tk-implant__text .btn { width: 100%; justify-content: center; }
}

/* Œillets ajoutés sur l'illustration « Assemblage » */
.ill-ring { fill: none; stroke: #d9cfb8; stroke-width: 3; opacity: .55; }
.tk-acc__inner .tk-checks { margin: 14px 0; }
.tk-acc__more { margin-top: 4px !important; }

.tk-icon {
  width: 48px; height: 48px; padding: 11px; border-radius: 14px;
  fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
  background: rgba(62,240,161,.08); border: 1px solid rgba(62,240,161,.22);
}

@media (max-width: 1080px) { .tk-safety__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tk-safety__grid { grid-template-columns: 1fr; } }

/* =================== À PROPOS =================== */
.tk-about { scroll-margin-top: var(--nav-h); }
.tk-about__orb { top: 30%; right: -30%; opacity: .12; }
.tk-about__intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: end; margin-bottom: clamp(56px, 8vw, 96px); }
.tk-about__story p { margin: 0 0 20px; }
.tk-about__process { margin-top: 4px; }
.tk-about__process p { margin: 0; }
.tk-about__process .tk-why__title { color: var(--text); font-weight: 600; font-size: 1rem; margin-bottom: 6px; }
.tk-checks--compact { margin-top: 14px; gap: 8px; }
.tk-checks--compact li { font-size: 0.9375rem; }
.tk-about__story p:last-child { margin-bottom: 0; }

.tk-values { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tk-value h3 { margin: 28px 0 12px; }
.tk-value p { margin: 0; font-size: 0.9375rem; }

/* Frise */
.tk-timeline-wrap { margin-top: clamp(96px, 12vw, 160px); display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.tk-timeline__title { position: sticky; top: calc(var(--nav-h) + 40px); }
.tk-timeline { position: relative; padding-left: 44px; }
.tk-tl__line { position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: var(--line-strong); border-radius: 2px; overflow: hidden; }
.tk-tl__fill { position: absolute; inset: 0; background: linear-gradient(180deg, var(--accent), var(--accent-2)); transform-origin: 50% 0; box-shadow: 0 0 12px var(--accent); }
.tk-tl__list { list-style: none; margin: 0; padding: 0; }
.tk-tl__item { position: relative; padding-bottom: clamp(40px, 6vw, 72px); }
.tk-tl__item:last-child { padding-bottom: 0; }
.tk-tl__item::before {
  content: ""; position: absolute; left: -40px; top: 4px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--line-strong);
  transition: border-color .6s, background .6s, box-shadow .6s;
}
.tk-tl__item.is-in::before { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 0 6px rgba(62,240,161,.12), 0 0 18px var(--accent); }
.no-js .tk-tl__item::before { border-color: var(--accent); }
.tk-tl__step { display: block; font-size: 0.8125rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.tk-tl__title { font-size: var(--fs-h3); letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 10px; }
.tk-tl__item p { margin: 0; max-width: 560px; }
html:not(.no-js):not(.reduced-motion) .tk-tl__item > * { transition: opacity .9s var(--ease), transform .9s var(--ease); }
html:not(.no-js):not(.reduced-motion) .tk-tl__item:not(.is-in) > * { opacity: 0; transform: translateX(24px); }

@media (max-width: 1080px) { .tk-values { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
  .tk-about__intro, .tk-timeline-wrap { grid-template-columns: 1fr; }
  .tk-timeline__title { position: static; }
}
@media (max-width: 600px) { .tk-values { grid-template-columns: 1fr; } }

/* =================== FAQ =================== */
.tk-faq { scroll-margin-top: var(--nav-h); }
.tk-faq__grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.tk-faq__head { position: sticky; top: calc(var(--nav-h) + 40px); }
.tk-faq__head h2 { margin-bottom: 24px; }
.tk-faq__head p { margin: 0; }

.tk-accordion { border-top: 1px solid var(--line); }
.tk-acc { border-bottom: 1px solid var(--line); }
.tk-acc__h { margin: 0; font-size: inherit; letter-spacing: normal; line-height: inherit; font-weight: inherit; }
.tk-acc__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 26px 0; text-align: left;
  font-size: clamp(1.0625rem, 1.6vw, 1.3125rem); font-weight: 600; letter-spacing: -0.015em; line-height: 1.35;
  transition: color .3s;
}
.tk-acc__btn:hover { color: var(--accent); }
.tk-acc__btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 4px; border-radius: 6px; }
.tk-acc__icon {
  position: relative; flex: 0 0 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: transform .5s var(--ease), background .3s, border-color .3s;
}
.tk-acc__icon::before, .tk-acc__icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; margin: -0.75px 0 0 -6px;
  background: currentColor; border-radius: 2px; transition: transform .5s var(--ease);
}
.tk-acc__icon::after { transform: rotate(90deg); }
.tk-acc__btn[aria-expanded="true"] .tk-acc__icon { transform: rotate(180deg); background: var(--accent); border-color: var(--accent); color: #031b10; }
.tk-acc__btn[aria-expanded="true"] .tk-acc__icon::after { transform: rotate(0deg); }
.tk-acc__panel { overflow: hidden; transition: height .55s var(--ease); }
.tk-acc__inner { padding: 0 56px 28px 0; color: var(--text-dim); }
.tk-acc__inner p { margin: 0; }
.tk-acc__inner .btn-link { margin-top: 10px; }

@media (max-width: 900px) {
  .tk-faq__grid { grid-template-columns: 1fr; }
  .tk-faq__head { position: static; }
  .tk-acc__inner { padding-right: 0; }
}

/* =================== CTA =================== */
.tk-cta { padding-top: 0; }
.tk-cta__box {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(64px, 10vw, 140px) clamp(20px, 6vw, 80px);
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--line-strong);
  background: radial-gradient(ellipse at 50% 120%, rgba(62,240,161,.22), transparent 60%), var(--bg-elev);
}
.tk-cta__box > *:not(.tk-bg) { position: relative; z-index: 1; }
.tk-cta__orb { left: 50%; top: 40%; transform: translateX(-50%); width: 70%; height: 70%; opacity: .2; }
.tk-cta__box h2 { max-width: 900px; margin: 0 auto 24px; }
.tk-cta__box .t-lead { max-width: 640px; margin: 0 auto 40px; }
.tk-cta__box .btn-row { justify-content: center; }
@media (max-width: 480px) {
  .tk-cta__box .btn-row .btn { width: 100%; justify-content: center; }
  .tk-hero__text .btn-row .btn { flex: 1 1 auto; justify-content: center; }
}

/* =================== Mouvement réduit =================== */
.reduced-motion .tk-jelly,
.reduced-motion .tk-core-dot,
.reduced-motion .tk-layer--flow,
.reduced-motion .ill-flow,
.reduced-motion .ar-flow,
.reduced-motion .tl-flow,
.reduced-motion .tl-hot,
.reduced-motion .ill-wave { animation: none !important; }
.reduced-motion .ill-flow { opacity: 0 !important; }
.reduced-motion .ill-wave { opacity: .7; }
.reduced-motion .ar-flow, .reduced-motion .tl-flow { stroke-dasharray: none; opacity: .35; }
.reduced-motion .sf-part, .reduced-motion .sf-l,
.reduced-motion .im-pack, .reduced-motion .im-lid, .reduced-motion .im-dim { transition: none !important; }
@media (prefers-reduced-motion: reduce) {
  .tk-jelly, .tk-core-dot, .tk-layer--flow, .ill-flow, .ar-flow, .tl-flow, .tl-hot, .ill-wave { animation: none !important; }
}