/* www.kybernow.app — mise en page. Jetons de la charte v2 dans kybernow.css. */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-wdth-wght.woff2") format("woff2-variations"), url("../fonts/Archivo-wdth-wght.woff2") format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%; font-display: swap;
}
@font-face {
  font-family: "Martian Mono";
  src: url("../fonts/MartianMono-wdth-wght.woff2") format("woff2-variations"), url("../fonts/MartianMono-wdth-wght.woff2") format("woff2");
  font-weight: 100 800; font-stretch: 75% 112.5%; font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh;
  background: var(--kn-ink-0); color: var(--kn-frost);
  font: 400 17px/1.6 var(--kn-font-text);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
::selection { background: var(--kn-signal-strong); color: #fff; }
:focus-visible { outline: 2px solid var(--kn-signal); outline-offset: 3px; border-radius: 4px; }

.ic { width: 18px; height: 18px; fill: currentColor; flex: none; }
.ic-lg { width: 28px; height: 28px; fill: var(--kn-frost-2); flex: none; }

/* ---- Fond : scène 3D fixe, voile de lecture ---- */
#scene { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; }
.veil {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 50%, transparent 40%, rgb(5 7 10 / .65) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.nav, main, .footer { position: relative; z-index: 2; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); }

/* ---- Typographie ---- */
.label, .mono-label {
  font: 500 11px/1.4 var(--kn-font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--kn-mist);
}
.label { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.label::before { /* la couture, en petit */
  content: ""; width: 14px; height: 14px; flex: none;
  background: linear-gradient(135deg, var(--kn-frost-2) 0 calc(50% - 1.5px), transparent calc(50% - 1.5px) calc(50% + 1.5px), var(--kn-signal) calc(50% + 1.5px));
  border-radius: 3px;
}
.display {
  font-family: var(--kn-font-display); font-stretch: 125%; font-weight: 680;
  font-size: clamp(44px, 8.2vw, 128px); line-height: .94; letter-spacing: -.035em;
}
.title {
  font-family: var(--kn-font-display); font-stretch: 125%; font-weight: 640;
  font-size: clamp(32px, 5vw, 68px); line-height: 1.02; letter-spacing: -.03em; max-width: 16ch;
}
/* Graisses : comme le nom (« Kyber » 420, « Now » 720), le titre se lit en léger et les mots qui comptent en gras */
.display:has(strong), .title:has(strong) { font-weight: 380; color: var(--kn-frost-2); }
.display strong, .title strong { font-weight: 760; color: var(--kn-frost); }
.display:has(strong) { font-size: clamp(40px, 5.8vw, 92px); letter-spacing: -.03em; }
.lede { font-size: clamp(17px, 1.5vw, 20px); color: var(--kn-frost-2); max-width: 34em; margin-top: 28px; }
.body-lg { font-size: clamp(17px, 1.4vw, 19px); color: var(--kn-frost-2); max-width: 40em; margin-top: 28px; }
.body-lg a, .notice a, .footnote a, .footer a, .release a, .ticks a { color: var(--kn-frost); text-decoration-color: var(--kn-line-2); text-underline-offset: 3px; }
.body-lg a:hover, .notice a:hover, .footnote a:hover, .footer a:hover, .release a:hover { text-decoration-color: var(--kn-signal); }
em { font-style: normal; color: var(--kn-frost); }
.footnote { font-size: 13px; color: var(--kn-faint); max-width: 60em; margin-top: 28px; }
h3 { font-family: var(--kn-font-display); font-stretch: 112%; font-weight: 620; font-size: 19px; line-height: 1.25; letter-spacing: -.01em; }

/* ---- Apparitions au défilement ---- */
[data-reveal] {
  opacity: 0; transform: translateY(28px); filter: blur(8px);
  transition: opacity .9s var(--kn-ease-out), transform .9s var(--kn-ease-out), filter .9s var(--kn-ease-out);
  transition-delay: var(--d, 0s);
}
[data-reveal].is-in { opacity: 1; transform: none; filter: none; }
[data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
[data-split] .w > span {
  display: inline-block; transform: translateY(105%) rotate(4deg); transform-origin: 0 100%;
  transition: transform 1s var(--kn-ease-out); transition-delay: calc(var(--i) * 45ms + var(--d, 0s));
}
[data-split].is-in .w > span { transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; filter: none; }
.no-js [data-split] .w > span { transform: none; }

/* ---- Boutons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: var(--kn-r-control);
  font: 600 15px/1 var(--kn-font-text); text-decoration: none; white-space: nowrap; cursor: pointer;
  border: 0; color: var(--kn-frost);
}
.btn-sm { height: 36px; padding: 0 14px; font-size: 14px; gap: 8px; }
.btn-sm .ic { width: 16px; height: 16px; }
.btn.kn-primary { padding-right: 26px; color: var(--kn-on-signal); }
.btn-ghost {
  background: rgb(14 20 26 / .55); box-shadow: inset 0 0 0 1px var(--kn-line-2);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  transition: box-shadow var(--kn-t-hover) ease-out, background var(--kn-t-hover) ease-out;
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--kn-frost-2); background: rgb(20 27 35 / .7); }
.btn-ghost .ic { color: var(--kn-frost-2); }

/* ---- Navigation ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: 64px; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 clamp(16px, 4vw, 48px);
  transition: background var(--kn-t-enter) ease-out, box-shadow var(--kn-t-enter) ease-out;
}
.nav.is-scrolled { background: rgb(5 7 10 / .72); -webkit-backdrop-filter: blur(18px) saturate(1.2); backdrop-filter: blur(18px) saturate(1.2); box-shadow: 0 1px 0 var(--kn-line); }
.nav-logo img { height: 18px; width: auto; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { position: relative; font-size: 14px; color: var(--kn-frost-2); text-decoration: none; padding: 6px 0; transition: color var(--kn-t-hover); }
.nav-links a:hover { color: var(--kn-frost); }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px; background: var(--kn-signal); transform: scaleX(0); transition: transform var(--kn-t-enter) var(--kn-ease-out); }
.nav-links a.is-active { color: var(--kn-frost); }
.nav-links a.is-active::after { transform: none; }
@media (max-width: 1100px) { .nav-links { display: none; } }
.nav-actions { display: flex; align-items: center; gap: 6px; }
.nav-icon, .nav-lang {
  display: inline-grid; place-items: center; height: 36px; min-width: 36px; padding: 0 8px; border-radius: var(--kn-r-control);
  color: var(--kn-frost-2); text-decoration: none; font: 500 12px/1 var(--kn-font-mono); letter-spacing: .06em;
  transition: color var(--kn-t-hover), background var(--kn-t-hover);
}
.nav-icon:hover, .nav-lang:hover { color: var(--kn-frost); background: rgb(227 237 240 / .06); }
.nav-dl { margin-left: 6px; }
.nav-burger { display: none; position: relative; width: 40px; height: 40px; margin-right: -8px; border: 0; background: none; cursor: pointer; }
.nav-burger span { position: absolute; left: 11px; right: 11px; height: 1.5px; border-radius: 2px; background: var(--kn-frost); transition: transform var(--kn-t-enter) var(--kn-ease-out), top var(--kn-t-enter) var(--kn-ease-out); }
.nav-burger span:first-child { top: 15px; }
.nav-burger span:last-child { top: 23px; }
.nav-burger[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }
@media (max-width: 1100px) { .nav-burger { display: block; } }
@media (max-width: 600px) { .nav-dl, .nav-actions > .nav-lang, .nav-actions > .nav-icon { display: none; } }

/* Menu plein écran (mobile, tablette) */
.menu {
  position: fixed; inset: 0; z-index: 9; padding: 88px clamp(16px, 6vw, 48px) 32px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: rgb(5 7 10 / .9); -webkit-backdrop-filter: blur(24px) saturate(1.2); backdrop-filter: blur(24px) saturate(1.2);
}
.menu[hidden] { display: none; }
.menu nav { display: grid; gap: 4px; }
.menu nav a {
  font-family: var(--kn-font-display); font-stretch: 125%; font-weight: 620; font-size: clamp(26px, 7vw, 40px); letter-spacing: -.02em;
  color: var(--kn-frost); text-decoration: none; padding: 6px 0;
  animation: menu-in .5s var(--kn-ease-out) both;
}
.menu nav a:nth-child(2) { animation-delay: .03s; } .menu nav a:nth-child(3) { animation-delay: .06s; } .menu nav a:nth-child(4) { animation-delay: .09s; }
.menu nav a:nth-child(5) { animation-delay: .12s; } .menu nav a:nth-child(6) { animation-delay: .15s; } .menu nav a:nth-child(7) { animation-delay: .18s; }
@keyframes menu-in { from { opacity: 0; transform: translateY(12px); } }
.menu-foot { display: flex; flex-wrap: wrap; gap: 10px; }
.menu-open, .menu-open body { overflow: hidden; }
.menu-open .nav { background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }

/* Communauté */
.community { display: flex; align-items: center; gap: 20px; margin-top: 40px; padding: 24px 28px; border-radius: var(--kn-r-card);
  background: rgb(14 20 26 / .58); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: inset 0 0 0 1px var(--kn-line); }
.community div { flex: 1; }
.community h3 { margin-bottom: 4px; }
.community p { color: var(--kn-frost-2); font-size: 15px; }
.guide-link { margin-top: 20px; color: var(--kn-frost-2); font-size: 15px; }
.guide-link a { color: var(--kn-frost); text-underline-offset: 3px; text-decoration-color: var(--kn-signal); }
@media (max-width: 700px) { .community { flex-direction: column; align-items: flex-start; } }

@media (max-width: 700px) { .section { padding: 88px 0; } .pillars, .bento { margin-top: 40px; } }

/* ---- Accueil ---- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 120px 0 96px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); align-items: center; }
.hero-copy { max-width: 820px; }
.hero-copy .lede { max-width: 34em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 12px 40px; margin: 56px 0 0; }
.hero-facts dt { font: 500 10.5px/1.4 var(--kn-font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--kn-faint); }
.hero-facts dd { margin: 6px 0 0; font: 500 20px/1 var(--kn-font-mono); color: var(--kn-frost); letter-spacing: -.02em; }
.hero-fallback { display: none; width: min(360px, 70vw); height: auto; justify-self: center; }
.no-webgl .hero-fallback { display: block; }
.scroll-hint { position: absolute; left: 50%; bottom: 28px; width: 1px; height: 56px; background: var(--kn-line-2); overflow: hidden; }
.scroll-hint span { position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--kn-frost-2); animation: hint 2.2s var(--kn-ease-sym) infinite; }
@keyframes hint { to { top: 110%; } }
@media (max-width: 860px) {
  .hero { align-items: flex-end; padding-bottom: 80px; }
  .hero .label { margin-bottom: 16px; }
  .lede { margin-top: 20px; }
  .hero-cta { margin-top: 28px; }
  .hero-facts { display: none; }
  .scroll-hint { height: 40px; bottom: 20px; }
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---- Sections ---- */
.section { padding: clamp(112px, 18vh, 220px) 0; }

.glass, .pillar, .card, .point, .sim, .notice, .compare, .dl-card, .profiles {
  background: rgb(14 20 26 / .58);
  -webkit-backdrop-filter: blur(16px) saturate(1.15); backdrop-filter: blur(16px) saturate(1.15);
  box-shadow: inset 0 0 0 1px var(--kn-line);
  border-radius: var(--kn-r-card);
}

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 64px; }
.pillar { padding: 28px; }
.pillar h3, .point h3, .card h3 { margin: 22px 0 10px; }
.pillar p, .point p, .card p { font-size: 15px; color: var(--kn-frost-2); }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; } }

/* ---- Le trajet (épinglé) ---- */
.trajet { position: relative; height: 420vh; }
.trajet-sticky { position: sticky; top: 0; height: 100svh; display: flex; align-items: center; overflow: hidden; }
.trajet-head .title { max-width: 18ch; }
.counter { margin-top: clamp(24px, 6vh, 64px); display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 14px; }
.counter-value {
  font: 250 clamp(80px, 14vw, 210px)/.9 var(--kn-font-display); font-stretch: 125%; letter-spacing: -.04em; font-variant-numeric: tabular-nums;
  color: var(--kn-frost); transition: color var(--kn-t-enter), text-shadow var(--kn-t-enter);
}
.counter-unit { font: 400 clamp(20px, 2.4vw, 32px)/1 var(--kn-font-mono); color: var(--kn-mist); }
.counter-caption { flex-basis: 100%; margin-top: 14px; font-size: 15px; color: var(--kn-frost-2); min-height: 1.6em; }
/* Mesure en cours : le néon a le droit de s'allumer */
.trajet.is-live .counter-value { color: var(--kn-neon-core); text-shadow: 0 0 1px #F4F1FF, 0 0 10px rgb(154 140 255 / .9), 0 0 34px rgb(109 91 255 / .7); }

.stages { list-style: none; margin: clamp(28px, 6vh, 56px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.stages li { display: grid; gap: 4px; align-content: start; opacity: .32; transition: opacity var(--kn-t-join) ease-out, transform var(--kn-t-join) var(--kn-ease-out); transform: translateY(8px); }
.stages li.is-on { opacity: 1; transform: none; }
.stage-n { font: 500 10.5px/1 var(--kn-font-mono); color: var(--kn-faint); letter-spacing: .08em; }
.stages li.is-current .stage-n { color: var(--kn-signal); }
.stages b { font-family: var(--kn-font-display); font-stretch: 112%; font-weight: 620; font-size: 17px; margin-top: 8px; }
.stages span:not(.stage-n) { font-size: 13.5px; color: var(--kn-frost-2); line-height: 1.45; }
.stages em { font: 500 14px/1 var(--kn-font-mono); color: var(--kn-frost); margin-top: 8px; }
.track { position: relative; height: 2px; margin-top: 28px; background: var(--kn-line); border-radius: 2px; }
.track-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: linear-gradient(90deg, var(--kn-frost-2), var(--kn-signal)); border-radius: 2px; }
.track-pulse { position: absolute; top: 50%; left: 0; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--kn-neon-core); filter: var(--kn-glow-2); opacity: 0; transition: opacity var(--kn-t-enter); }
.trajet.is-live .track-pulse { opacity: 1; }
.trajet .footnote { margin-top: clamp(20px, 4vh, 40px); }
@media (max-width: 860px) {
  .trajet-sticky { align-items: flex-start; padding-top: 84px; }
  .trajet-head .title { font-size: 30px; }
  .counter { margin-top: 16px; }
  .counter-value { font-size: 72px; }
  .stages { grid-template-columns: repeat(2, 1fr); gap: 14px 16px; margin-top: 20px; }
  .stages li { gap: 2px; }
  .stages b { font-size: 15px; margin-top: 4px; }
  .stages em { margin-top: 4px; }
  .stages span:not(.stage-n) { font-size: 12.5px; }
  .track, .trajet .footnote { display: none; }
}
@media (max-height: 720px) and (min-width: 861px) { .trajet .footnote { display: none; } }

/* ---- Simulation QUIC ---- */
.sim { margin-top: 56px; padding: 20px; }
.sim-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.sim-stat { display: flex; align-items: baseline; gap: 12px; }
.sim-stat b { font: 500 18px/1 var(--kn-font-mono); font-variant-numeric: tabular-nums; min-width: 6ch; text-align: right; }
.sim-body { display: grid; grid-template-columns: 112px 1fr; gap: 8px; }
.sim-lanes { list-style: none; margin: 0; padding: 16px 0 0; display: grid; grid-template-rows: repeat(4, 1fr); font: 500 11px/1 var(--kn-font-mono); color: var(--kn-mist); }
.sim-lanes li { display: flex; align-items: center; }
#sim { width: 100%; height: 240px; }
.sim-legend { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 16px; font-size: 13px; color: var(--kn-frost-2); }
.sim-legend span { display: inline-flex; align-items: center; gap: 8px; }
.sim-note { color: var(--kn-faint); margin-left: auto; }
.lg { width: 14px; height: 6px; border-radius: 2px; display: inline-block; }
.lg-pkt { background: var(--kn-frost-2); }
.lg-lost { background: none; box-shadow: inset 0 0 0 1px var(--kn-bad); }
.lg-fix { background: var(--kn-signal); }
@media (max-width: 600px) { .sim-body { grid-template-columns: 1fr; } .sim-lanes { display: none; } .sim-note { margin-left: 0; } }

.segmented { display: inline-flex; gap: 2px; padding: 3px; border-radius: var(--kn-r-field); background: var(--kn-ink-1); box-shadow: inset 0 0 0 1px var(--kn-line); }
.segmented button {
  display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 14px; border: 0; border-radius: 7px;
  background: none; color: var(--kn-mist); font: 550 14px/1 var(--kn-font-text); cursor: pointer;
  transition: background var(--kn-t-state), color var(--kn-t-state);
}
.segmented button:hover { color: var(--kn-frost); }
.segmented button[aria-checked="true"] { background: var(--kn-ink-3); color: var(--kn-frost); box-shadow: inset 0 0 0 1px var(--kn-line-2); }
.segmented button[aria-checked="true"] .ic { color: var(--kn-signal); }
.segmented-lg button { height: 42px; padding: 0 18px; font-size: 15px; }

.points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 16px; }
.point { padding: 24px; }
@media (max-width: 1000px) { .points { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .points { grid-template-columns: 1fr; } }

/* ---- Kyber ---- */
.split-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; }
.col { padding: 4px 0; }
.ticks { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 28px; color: var(--kn-frost-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .5em; width: 12px; height: 12px; border-radius: 3px; background: linear-gradient(135deg, var(--kn-line-2) 0 calc(50% - 1px), transparent calc(50% - 1px) calc(50% + 1px), var(--kn-line-2) calc(50% + 1px)); }
.ticks-on li { color: var(--kn-frost); }
.ticks-on li::before { background: linear-gradient(135deg, var(--kn-frost-2) 0 calc(50% - 1px), transparent calc(50% - 1px) calc(50% + 1px), var(--kn-signal) calc(50% + 1px)); }
.notice { display: flex; gap: 20px; margin-top: 56px; padding: 28px; }
.notice h3 { margin-bottom: 10px; }
.notice p { color: var(--kn-frost-2); font-size: 15.5px; max-width: 52em; }
.notice-links { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 16px; }
.notice-links a { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; text-decoration: none; }
.notice-links .ic { width: 16px; height: 16px; transition: transform var(--kn-t-hover) var(--kn-ease-out); }
.notice-links a:hover .ic { transform: translateX(3px); }
@media (max-width: 700px) { .split-cols { grid-template-columns: 1fr; gap: 40px; } .notice { flex-direction: column; } }

/* ---- Comparaison ---- */
.compare { margin-top: 56px; padding: 8px 0; overflow: hidden; }
.cmp-row { display: grid; grid-template-columns: 1.1fr 1.3fr 1.3fr; gap: 24px; padding: 16px 28px; box-shadow: 0 1px 0 var(--kn-line); }
.cmp-row:last-child { box-shadow: none; }
.cmp-row > span:first-child { color: var(--kn-mist); font-size: 14.5px; }
.cmp-row > span { font-size: 15px; color: var(--kn-frost-2); }
.cmp-head > span { font: 500 11px/1.4 var(--kn-font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--kn-mist); }
.cmp-head .cmp-us { color: var(--kn-frost); display: flex; align-items: center; gap: 10px; }
.cmp-head .cmp-us::before { content: ""; width: 14px; height: 14px; border-radius: 3px; background: linear-gradient(135deg, var(--kn-frost) 0 calc(50% - 1.5px), transparent calc(50% - 1.5px) calc(50% + 1.5px), var(--kn-signal) calc(50% + 1.5px)); }
.cmp-row .yes { color: var(--kn-frost); position: relative; padding-left: 26px; }
.cmp-row .yes::before { content: ""; position: absolute; left: 2px; top: .38em; width: 6px; height: 11px; border: solid var(--kn-ok); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.cmp-row .not-yet { position: relative; padding-left: 26px; }
.cmp-row .not-yet::before { content: ""; position: absolute; left: 0; top: .78em; width: 12px; height: 2px; border-radius: 2px; background: var(--kn-warn); }
.cmp-row:not(.cmp-head) { transition: background var(--kn-t-hover); }
.cmp-row:not(.cmp-head):hover { background: rgb(227 237 240 / .03); }
@media (max-width: 760px) {
  .cmp-row { grid-template-columns: 1fr 1fr; gap: 8px 16px; padding: 16px 20px; }
  .cmp-row > span:first-child { grid-column: 1 / -1; }
  .cmp-head > span:first-child { display: none; }
}

/* ---- Fonctions ---- */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 64px; }
.card { position: relative; padding: 28px; overflow: hidden; }
.card::after { /* reflet qui suit le pointeur */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity var(--kn-t-hover);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgb(227 237 240 / .06), transparent 60%);
}
.card:hover::after { opacity: 1; }
.card-feature { grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; }
.card-feature h3 { font-size: clamp(22px, 2.4vw, 30px); max-width: 14ch; }
.card-feature p { font-size: 16px; max-width: 34em; }
.res-demo { position: relative; flex: 1; min-height: 200px; margin-top: 28px; }
.res-demo span {
  position: absolute; left: 0; bottom: 0; display: flex; align-items: flex-start; justify-content: flex-end; padding: 8px 10px;
  border-radius: 10px; box-shadow: inset 0 0 0 1px var(--kn-line-2);
  font: 500 10.5px/1 var(--kn-font-mono); color: var(--kn-mist);
  transform-origin: 0 100%; transform: scale(.4); opacity: 0;
  transition: transform 1.2s var(--kn-ease-out), opacity 1.2s var(--kn-ease-out), box-shadow var(--kn-t-enter);
}
.res-demo span:nth-child(1) { width: 50%; height: 50%; transition-delay: .2s; }
.res-demo span:nth-child(2) { width: 75%; height: 75%; transition-delay: .35s; }
.res-demo span:nth-child(3) { width: 100%; height: 100%; transition-delay: .5s; color: var(--kn-frost); box-shadow: inset 0 0 0 1px var(--kn-signal-line); }
.card-feature.is-in .res-demo span { transform: none; opacity: 1; }
@media (max-width: 1000px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .bento { grid-template-columns: 1fr; } .card-feature { grid-column: auto; grid-row: auto; } }

.profiles { display: grid; grid-template-columns: auto 1fr; gap: 32px 48px; align-items: start; margin-top: 16px; padding: 28px; }
.profiles .mono-label { margin-bottom: 14px; }
.profile-panel h3 { font-size: 22px; }
.profile-panel p { margin-top: 8px; color: var(--kn-frost-2); max-width: 40em; }
.profile-panel.is-swapping { animation: swap .42s var(--kn-ease-out); }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; padding: 0; }
.chips li { font: 500 12px/1 var(--kn-font-mono); padding: 8px 10px; border-radius: var(--kn-r-control); background: var(--kn-ink-1); box-shadow: inset 0 0 0 1px var(--kn-line); color: var(--kn-frost-2); }
@media (max-width: 760px) { .profiles { grid-template-columns: 1fr; } }

/* ---- Téléchargement ---- */
.downloads { padding-top: 0; }
.scene-anchor { height: 72vh; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 48px 0 0; padding: 0; }
.steps li { display: flex; gap: 14px; align-items: baseline; color: var(--kn-frost-2); }
.steps li span { font: 500 13px/1 var(--kn-font-mono); color: var(--kn-frost); width: 28px; height: 28px; flex: none; display: grid; place-items: center; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--kn-line-2); transform: translateY(-2px); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.specs .addr { font: 500 12.5px/1.6 var(--kn-font-mono); color: var(--kn-frost); overflow-wrap: anywhere; }
.specs .addr i { font-style: normal; color: var(--kn-mist); }
.dl-card { --edge: var(--kn-line-2); padding: 32px; display: flex; flex-direction: column; align-items: flex-start; }
.dl-card .mono-label { margin-top: 28px; }
.dl-card h3 { font-size: clamp(22px, 2.2vw, 28px); margin-top: 8px; }
.specs { list-style: none; margin: 16px 0 28px; padding: 0; display: grid; gap: 6px; color: var(--kn-frost-2); font-size: 15px; flex: 1; }
.specs li[data-size] { font: 500 13px/1.6 var(--kn-font-mono); color: var(--kn-mist); }
/* Carte vedette : un seul coin coupé, comme le bouton principal */
.dl-card.is-primary {
  box-shadow: none; border-radius: var(--kn-r-card) var(--kn-r-card) 0 var(--kn-r-card);
  background: linear-gradient(315deg, transparent var(--kn-chamfer-card), var(--kn-signal-line) var(--kn-chamfer-card), var(--kn-signal-line) calc(var(--kn-chamfer-card) + 1.5px), rgb(20 24 40 / .72) calc(var(--kn-chamfer-card) + 1.5px));
}
@media (max-width: 1000px) { .dl-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .dl-grid { grid-template-columns: 1fr; } }

.soon { margin-top: 40px; padding: 0 4px; }
.soon ul { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 14px 36px; }
.soon li { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.soon .ic { color: var(--kn-frost-2); }
.soon b { font-weight: 550; }
.soon-note { margin-top: 16px; font-size: 13.5px; color: var(--kn-mist); }
.tag-next { color: var(--kn-frost); box-shadow: inset 0 0 0 1px var(--kn-line-2); }

/* Rôle d'une pièce : serveur ou client */
.role { display: inline-block; font: 500 10.5px/1 var(--kn-font-mono); letter-spacing: .08em; text-transform: uppercase; padding: 6px 8px; border-radius: 5px; color: var(--kn-frost); background: var(--kn-ink-3); box-shadow: inset 0 0 0 1px var(--kn-line-2); }
.dl-card .role { margin-top: 24px; }
.dl-card .role + .mono-label { margin-top: 14px; }

/* Les deux pièces : le serveur, le lien, les clients */
.duo { display: grid; grid-template-columns: 1fr minmax(120px, .45fr) 1fr; align-items: center; gap: 16px; margin-top: 16px; padding: 28px; border-radius: var(--kn-r-card);
  background: rgb(14 20 26 / .58); -webkit-backdrop-filter: blur(16px) saturate(1.15); backdrop-filter: blur(16px) saturate(1.15); box-shadow: inset 0 0 0 1px var(--kn-line); }
.duo-part { display: flex; gap: 18px; align-items: flex-start; }
.duo-part img { flex: none; margin-top: 2px; }
.duo-part h3 { margin: 12px 0 6px; }
.duo-part p { font-size: 15px; color: var(--kn-frost-2); }
.duo-link { display: grid; justify-items: center; gap: 12px; }
.duo-line { position: relative; width: 100%; height: 2px; border-radius: 2px; background: var(--kn-line-2); overflow: hidden; }
.duo-line i { position: absolute; top: 0; left: -30%; width: 30%; height: 100%; background: linear-gradient(90deg, transparent, var(--kn-signal), transparent); animation: duo 2.4s var(--kn-ease-sym) infinite; }
@keyframes duo { to { left: 100%; } }
@media (max-width: 860px) {
  .duo { grid-template-columns: 1fr; }
  .duo-link { justify-items: start; padding-left: 58px; }
  .duo-line { width: 2px; height: 40px; }
  .duo-line i { left: 0; top: -30%; width: 100%; height: 30%; background: linear-gradient(180deg, transparent, var(--kn-signal), transparent); animation-name: duo-v; }
  @keyframes duo-v { to { top: 100%; } }
}
@media (prefers-reduced-motion: reduce) { .duo-line i { animation: none; left: 35%; } }
.tag { font: 500 10.5px/1 var(--kn-font-mono); letter-spacing: .06em; text-transform: uppercase; padding: 6px 8px; border-radius: 5px; background: var(--kn-ink-2); box-shadow: inset 0 0 0 1px var(--kn-line); color: var(--kn-mist); }
.tag-ok { color: var(--kn-ok); }
.release { margin-top: 40px; font-size: 13.5px; color: var(--kn-faint); }

/* ---- Pied de page ---- */
.footer { padding: 64px 0 56px; box-shadow: 0 -1px 0 var(--kn-line); background: rgb(5 7 10 / .85); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 40px; }
.footer-grid img { height: 16px; width: auto; }
.footer-mention { margin-top: 20px; max-width: 56em; font-size: 13px; color: var(--kn-faint); }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--kn-frost-2); }
.footer-links a:hover { color: var(--kn-frost); }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---- Accessibilité ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { transform: none; filter: none; transition: opacity .4s linear; }
  [data-split] .w > span { transform: none; transition: none; }
  .scroll-hint span { animation: none; top: 30%; }
  .res-demo span { transform: none; transition: opacity .4s linear; }
}
@media (prefers-reduced-transparency: reduce) {
  .pillar, .card, .point, .sim, .notice, .compare, .dl-card, .profiles, .btn-ghost, .nav.is-scrolled { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--kn-ink-2); }
  .trajet.is-live .counter-value { text-shadow: none; }
  .track-pulse { filter: none; }
}
.sim-stats { display: flex; flex-wrap: wrap; gap: 12px 32px; }
.sim-stat b.is-bad { color: var(--kn-warn); }