/* SoftElectron — feuille de style unique.
   Les couleurs sont définies une seule fois dans :root ; le mode sombre
   ne redéfinit que ces variables. */

:root {
  --paper:      #F7F4F0;
  --surface:    #FFFFFF;
  --ink:        #131A24;
  --ink-2:      #1B2430;
  --muted:      #56606D;
  --faint:      #8A9099;
  --line:       #E4DED6;
  --line-soft:  #EFEAE3;
  --copper:     #C96F3F;
  --copper-ink: #9C5330;
  --copper-soft: rgba(201, 111, 63, 0.10);
  --on-ink:     #F1EDE7;
  --on-ink-muted: #A7AEB8;
  --on-ink-line: rgba(241, 237, 231, 0.14);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:      #0F141B;
    --surface:    #161D26;
    --ink:        #ECE8E3;
    --ink-2:      #0B1016;
    --muted:      #A2A9B4;
    --faint:      #6E7883;
    --line:       #252E39;
    --line-soft:  #1C242E;
    --copper:     #E08A54;
    --copper-ink: #F0A876;
    --copper-soft: rgba(224, 138, 84, 0.13);
    --on-ink:     #ECE8E3;
    --on-ink-muted: #A2A9B4;
    --on-ink-line: rgba(236, 232, 227, 0.12);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: 'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16.5px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--copper-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--copper); }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
h1, h2, h3, h4 { text-wrap: balance; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 24px; }
.narrow { max-width: 720px; }
.mono { font-family: 'IBM Plex Mono', ui-monospace, Menlo, monospace; }
.eyebrow {
  font-family: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--faint); margin: 0 0 14px;
}
.on-ink .eyebrow { color: var(--on-ink-muted); }

/* ---------- boutons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; font-size: 15.5px; font-weight: 500;
  text-decoration: none; border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper); white-space: nowrap;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); background: transparent; color: var(--ink); }
.btn.copper { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.copper:hover { background: #B5602F; border-color: #B5602F; }
.btn.on-dark { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.on-dark.ghost { background: transparent; color: var(--on-ink); border-color: var(--on-ink-line); }
.btn.on-dark.ghost:hover { border-color: var(--on-ink); }
.btn svg { width: 16px; height: 16px; }

/* ---------- en-tête ---------- */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: var(--paper); border-bottom: 1px solid var(--line);
}
.head-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding-block: 16px;
}
.brand { display: inline-flex; align-items: center; line-height: 0; flex-shrink: 0; }
.brand img { height: 26px; width: auto; display: block; }
.brand .rev { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand .std { display: none; }
  :root:not([data-theme="light"]) .brand .rev { display: block; }
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15.5px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { position: relative; }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--copper);
}
.nav .btn { padding: 10px 18px; font-size: 14.5px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--ink); padding: 8px 10px; cursor: pointer; }
.nav-toggle svg { display: block; width: 20px; height: 20px; }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px 24px 18px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .nav a[aria-current="page"]::after { display: none; }
  .nav .btn { margin-top: 12px; justify-content: center; }
}

/* ---------- hero sombre (accueil) ---------- */
.hero-dark {
  background: var(--ink-2); color: var(--on-ink);
  border-bottom: 1px solid var(--on-ink-line);
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px); align-items: center;
  padding-block: clamp(56px, 8vw, 96px);
}
.hero-dark h1 {
  font-size: clamp(34px, 5.2vw, 56px); font-weight: 600;
  letter-spacing: -0.035em; line-height: 1.06; margin: 0; max-width: 15ch;
}
.hero-dark .lede { color: var(--on-ink-muted); font-size: clamp(17px, 1.9vw, 19.5px); margin: 22px 0 0; max-width: 52ch; }
.hero-dark .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.hero-visual { line-height: 0; border: 1px solid var(--on-ink-line); }
.hero-visual img { width: 100%; height: auto; display: block; }
.hero-caption {
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.06em;
  color: var(--on-ink-muted); margin: 10px 0 0; text-transform: uppercase;
}
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } }

/* ---------- en-tête de page (pages intérieures) ---------- */
.page-head { padding-block: clamp(48px, 7vw, 80px) clamp(28px, 4vw, 44px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(32px, 4.8vw, 48px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; margin: 0; max-width: 18ch; }
.page-head .lede { color: var(--muted); font-size: clamp(17px, 1.9vw, 19px); margin: 18px 0 0; max-width: 58ch; }

/* ---------- sections ---------- */
section { padding-block: clamp(52px, 7vw, 88px); }
section.alt { background: var(--surface); border-block: 1px solid var(--line); }
section.on-ink { background: var(--ink-2); color: var(--on-ink); border-block: 1px solid var(--on-ink-line); }
.sec-head { max-width: 62ch; margin-bottom: clamp(28px, 4vw, 44px); }
h2 { font-size: clamp(25px, 3.4vw, 34px); font-weight: 600; letter-spacing: -0.028em; line-height: 1.15; margin: 0 0 12px; }
.sec-head p { color: var(--muted); font-size: 17px; }
.on-ink .sec-head p { color: var(--on-ink-muted); }
h3 { font-size: 18.5px; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 8px; }
.more { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 500; margin-top: 26px; }
.more svg { width: 16px; height: 16px; }

/* ---------- cartes de services ---------- */
.services {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.services > a {
  background: var(--paper); padding: 28px 24px 30px; text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 12px;
  transition: background .15s ease;
}
.services > a:hover { background: var(--copper-soft); }
.services .ico { width: 34px; height: 34px; color: var(--copper); }
.services .ico svg { width: 34px; height: 34px; display: block; }
.services p { color: var(--muted); font-size: 15px; margin: 0; flex-grow: 1; }
.services .tags { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.05em; color: var(--faint); margin-top: 6px; }
@media (max-width: 960px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .services { grid-template-columns: 1fr; } }

/* ---------- chaîne complète ---------- */
.chain-fig { line-height: 0; margin: 0; color: var(--ink); }
.chain-fig svg, .chain-fig img { width: 100%; height: auto; }
.on-ink .chain-fig { color: var(--on-ink); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.split.rev { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
@media (max-width: 860px) { .split, .split.rev { grid-template-columns: 1fr; } }
.fig { line-height: 0; color: var(--ink); }
.fig svg, .fig img { width: 100%; height: auto; display: block; }
.fig.framed { background: var(--surface); border: 1px solid var(--line); padding: clamp(18px, 3vw, 32px); }
.on-ink .fig { color: var(--on-ink); }

/* ---------- méthode ---------- */
.method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(22px, 3vw, 40px); }
.method > div { border-top: 2px solid var(--line); padding-top: 20px; }
.method .n { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--copper); letter-spacing: 0.1em; display: block; margin-bottom: 14px; }
.method p { color: var(--muted); font-size: 15.5px; }
@media (max-width: 760px) { .method { grid-template-columns: 1fr; } }

/* ---------- tuiles (types de projets, atouts) ---------- */
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.tiles.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tile { background: var(--surface); border: 1px solid var(--line); padding: 26px 26px 28px; }
.on-ink .tile { background: rgba(255,255,255,0.035); border-color: var(--on-ink-line); }
.tile p { color: var(--muted); font-size: 15.5px; }
.on-ink .tile p { color: var(--on-ink-muted); }
.tile .k { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--copper); margin-bottom: 12px; display: block; }
@media (max-width: 860px) { .tiles.three { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .tiles { grid-template-columns: 1fr; } }

/* ---------- bandeau I2C ---------- */
.i2c-band { color: var(--ink); line-height: 0; border-block: 1px solid var(--line); background: var(--surface); }
.i2c-band svg { width: 100%; height: 88px; display: block; }

/* ---------- appel à l'action ---------- */
.cta { background: var(--ink-2); color: var(--on-ink); border-block: 1px solid var(--on-ink-line); }
.cta-row { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; padding-block: clamp(40px, 6vw, 64px); }
.cta h2 { margin: 0 0 8px; max-width: 22ch; }
.cta p { color: var(--on-ink-muted); margin: 0; max-width: 50ch; }

/* ---------- expertise : blocs détaillés ---------- */
.expert { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(28px, 5vw, 64px); padding-block: clamp(40px, 5vw, 60px); border-top: 1px solid var(--line); }
.expert:first-of-type { border-top: none; }
.expert h2 { font-size: clamp(23px, 3vw, 29px); }
.expert .ico { color: var(--copper); width: 40px; height: 40px; margin-bottom: 14px; }
.expert .ico svg { width: 40px; height: 40px; display: block; }
.expert p { color: var(--muted); max-width: 60ch; }
.deliv h4 { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin: 0 0 12px; font-weight: 500; }
.deliv ul { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 8px; }
.deliv li { position: relative; padding-left: 20px; font-size: 15px; color: var(--ink); }
.deliv li::before { content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 2px; background: var(--copper); }
.deliv .tools { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--faint); letter-spacing: 0.04em; }
@media (max-width: 820px) { .expert { grid-template-columns: 1fr; } }

/* ---------- entreprise ---------- */
.prose { max-width: 62ch; }
.prose p { color: var(--muted); font-size: 17px; }
.prose p strong { color: var(--ink); font-weight: 500; }
.facts { display: grid; gap: 14px; margin: 0; }
.facts > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 4px 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line-soft); }
.facts dt { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); padding-top: 3px; }
.facts dd { margin: 0; }
@media (max-width: 520px) { .facts > div { grid-template-columns: 1fr; } }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); }
.contact-lines { display: grid; gap: 22px; }
.contact-lines .lbl { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); display: block; margin-bottom: 4px; }
.contact-lines a { font-size: 20px; font-weight: 500; text-decoration: none; color: var(--ink); }
.contact-lines a:hover { color: var(--copper); }
.contact-lines .sub { color: var(--muted); font-size: 14.5px; margin: 4px 0 0; }
.steps-mini { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.steps-mini li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; }
.steps-mini .n { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--copper); padding-top: 4px; }
.steps-mini p { color: var(--muted); font-size: 15px; margin: 4px 0 0; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 22px; color: var(--muted); font-size: 15.5px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 10px; width: 10px; height: 2px; background: var(--copper); }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- pages légales ---------- */
.legal { padding-block: 48px 20px; }
.legal h1 { font-size: clamp(27px, 4.5vw, 36px); margin-bottom: 8px; }
.legal h2 { font-size: 19px; margin-top: 40px; }
.legal p, .legal li { color: var(--muted); font-size: 15.5px; }
.legal strong { color: var(--ink); font-weight: 500; }
.legal dl { margin: 0; display: grid; gap: 12px; }
.legal dl > div { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 3px 20px; }
.legal dt { font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--faint); padding-top: 3px; }
.legal dd { margin: 0; color: var(--ink); }
@media (max-width: 560px) { .legal dl > div { grid-template-columns: 1fr; } }
.legal ul { padding-left: 20px; margin: 0 0 16px; }
.legal li { margin-bottom: 7px; }

/* ---------- pied de page ---------- */
footer.site-foot { background: var(--ink-2); color: var(--on-ink); border-top: 1px solid var(--on-ink-line); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-block: 52px 40px; }
.foot-grid img { height: 24px; width: auto; display: block; }
.foot-grid .base { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-ink-muted); margin: 14px 0 0; }
.foot-grid h4 { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-ink-muted); margin: 0 0 14px; font-weight: 500; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.foot-grid a { color: var(--on-ink); text-decoration: none; font-size: 15px; }
.foot-grid a:hover { color: var(--copper); }
.foot-grid p { color: var(--on-ink-muted); font-size: 14.5px; margin: 0; }
.foot-bottom { border-top: 1px solid var(--on-ink-line); padding-block: 18px 30px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-bottom p { color: var(--on-ink-muted); font-size: 13px; margin: 0; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

/* ---------- liste d'attente ---------- */
.wl-box { background: var(--paper); border: 1px solid var(--line); padding: clamp(20px, 3vw, 30px); }
.wl-label { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
.wl-row { display: flex; gap: 10px; flex-wrap: wrap; }
.wl-row input[type="email"] {
  flex: 1 1 220px; min-width: 0; font: inherit; font-size: 16px; padding: 12px 14px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.wl-row input[type="email"]:focus { outline: 2px solid var(--copper); outline-offset: 1px; border-color: transparent; }
.wl-consent { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-size: 13.5px; color: var(--muted); cursor: pointer; }
.wl-consent input { margin: 4px 0 0; flex-shrink: 0; accent-color: var(--copper); width: 16px; height: 16px; }
.wl-msg { margin: 12px 0 0; font-size: 14px; color: var(--muted); min-height: 1.4em; }
.wl-msg.ok { color: #3F7A55; }
.wl-msg.err { color: #B4452E; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .wl-msg.ok { color: #7DBB92; } :root:not([data-theme="light"]) .wl-msg.err { color: #E58A72; } }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- page Doings (lien TikTok) ---------- */
.doings { padding-block: clamp(48px, 9vw, 110px) clamp(60px, 9vw, 120px); min-height: 100vh; }
.doings-title { font-size: clamp(56px, 12vw, 104px); font-weight: 600; letter-spacing: -0.045em; line-height: 0.95; margin: 6px 0 22px; }
.doings-title::after { content: ""; display: block; width: 0.32em; height: 0.32em; border-radius: 50%; background: var(--copper); margin-top: 0.18em; }
.doings-lede { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 46ch; margin: 0; }
.doings-foot { margin-top: 30px; font-size: 13.5px; color: var(--faint); max-width: 56ch; }