/* Echo Digitale — feuille de style du site.
   Charte « Résonance fluide » : couleurs Pantone de la charte, thèmes clair et sombre. */

:root {
  /* Charte */
  --ed-petrole: #005461;   /* PANTONE P 123-16 C */
  --ed-turquoise: #00a5ac; /* PANTONE P 124-14 C */
  --ed-jade: #2f9f91;      /* PANTONE P 131-5 C */
  --ed-vert: #7db159;      /* PANTONE P 151-14 C */
  --ed-canard: #006272;    /* PANTONE P 123-8 C */
  --ed-emeraude: #00a18e;  /* PANTONE P 130-7 C */
  --grad: linear-gradient(115deg, var(--ed-turquoise) 0%, var(--ed-jade) 50%, var(--ed-vert) 100%);
  --grad-deep: linear-gradient(135deg, #003d47 0%, var(--ed-petrole) 35%, var(--ed-canard) 65%, var(--ed-jade) 100%);

  /* Thème clair */
  --bg: #f5f8f8;
  --bg-alt: #ecf3f3;
  --surface: #ffffff;
  --surface-2: #f2f7f7;
  --line: #d7e3e3;
  --line-strong: #b9cfcf;
  --text: #0a2a2f;
  --text-soft: #36555a;
  --muted: #5c7679;
  --accent: var(--ed-canard);
  --accent-2: var(--ed-turquoise);
  --heading: #06323a;
  --glow-a: rgba(0, 165, 172, .20);
  --glow-b: rgba(125, 177, 89, .18);
  --grid-line: rgba(0, 84, 97, .07);
  --shadow: 0 1px 2px rgba(6, 50, 58, .05), 0 12px 32px -12px rgba(6, 50, 58, .14);
  --shadow-lg: 0 30px 60px -24px rgba(6, 50, 58, .30);
  --nav-bg: rgba(245, 248, 248, .75);
  --code-bg: #0b2328;

  --font-display: "Comfortaa", "Quicksand", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r: 14px;
  --r-lg: 22px;
  --wrap: 1180px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #031417;
  --bg-alt: #061c20;
  --surface: #0a242a;
  --surface-2: #0d2c33;
  --line: rgba(120, 214, 214, .12);
  --line-strong: rgba(120, 214, 214, .24);
  --text: #e3f1f0;
  --text-soft: #b8d0cf;
  --muted: #86a5a5;
  --accent: #2dd0d6;
  --accent-2: #4fd8c4;
  --heading: #f1fbfa;
  --glow-a: rgba(0, 165, 172, .30);
  --glow-b: rgba(125, 177, 89, .20);
  --grid-line: rgba(120, 214, 214, .06);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6);
  --shadow-lg: 0 40px 80px -30px rgba(0, 0, 0, .8);
  --nav-bg: rgba(3, 20, 23, .7);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #031417; --bg-alt: #061c20; --surface: #0a242a; --surface-2: #0d2c33;
    --line: rgba(120, 214, 214, .12); --line-strong: rgba(120, 214, 214, .24);
    --text: #e3f1f0; --text-soft: #b8d0cf; --muted: #86a5a5; --accent: #2dd0d6; --accent-2: #4fd8c4;
    --heading: #f1fbfa; --glow-a: rgba(0, 165, 172, .30); --glow-b: rgba(125, 177, 89, .20);
    --grid-line: rgba(120, 214, 214, .06); --nav-bg: rgba(3, 20, 23, .7);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6);
    --shadow-lg: 0 40px 80px -30px rgba(0, 0, 0, .8);
    color-scheme: dark;
  }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  transition: background-color .3s, color .3s;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); color: var(--heading); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); font-weight: 700; letter-spacing: -.025em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.75rem); font-weight: 700; letter-spacing: -.02em; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code { font-family: var(--font-mono); font-size: .85em; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--ed-turquoise); color: #fff; }
.i { width: 1.15em; height: 1.15em; flex: none; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ed-petrole); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.wrap--narrow { width: min(100% - 32px, 820px); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--text-soft); max-width: 62ch; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6em; margin: 0 0 1.1rem;
  font: 500 .78rem/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: var(--grad); }
.eyebrow--pill {
  padding: .55em .95em; border: 1px solid var(--line-strong); border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent); backdrop-filter: blur(8px);
}
.eyebrow--pill::before { display: none; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ed-vert); box-shadow: 0 0 0 4px rgba(125, 177, 89, .25); animation: blink 2.4s infinite; }

/* Boutons */
.btn {
  --b: transparent; display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .8em 1.3em; border-radius: 999px; border: 1px solid var(--b);
  font: 600 .95rem/1 var(--font-body); cursor: pointer; text-decoration: none !important;
  transition: transform .2s, box-shadow .2s, background-color .2s, color .2s, border-color .2s;
}
.btn .i { transition: transform .2s; }
.btn:hover .i--arrow { transform: translateX(3px); }
.btn--sm { padding: .62em 1.05em; font-size: .88rem; }
.btn--lg { padding: 1em 1.6em; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px -10px rgba(0, 165, 172, .7); }
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 16px 32px -12px rgba(0, 165, 172, .8); }
.btn--ghost { --b: var(--line-strong); color: var(--heading); background: color-mix(in srgb, var(--surface) 60%, transparent); }
.btn--ghost:hover { --b: var(--accent); color: var(--accent); }
.btn--light { background: #fff; color: var(--ed-petrole); }
.btn--light:hover { transform: translateY(-1px); box-shadow: 0 16px 32px -12px rgba(0, 0, 0, .45); }
.btn--outline-light { --b: rgba(255, 255, 255, .45); color: #fff; }
.btn--outline-light:hover { --b: #fff; background: rgba(255, 255, 255, .1); }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 50; background: var(--nav-bg);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, background-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__in { display: flex; align-items: center; gap: 24px; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--heading); text-decoration: none !important; }
.brand img { width: 34px; height: 34px; }
.brand__word { font: 500 1.28rem/1 var(--font-display); letter-spacing: -.01em; white-space: nowrap; }
.brand__word span:first-child { color: var(--accent); font-weight: 300; }
.nav__links { display: flex; gap: 4px; margin-left: auto; }
.nav__links a { padding: .5em .85em; border-radius: 999px; color: var(--text-soft); font-size: .93rem; font-weight: 500; }
.nav__links a:hover { color: var(--heading); background: var(--surface-2); text-decoration: none; }
.nav__cta-mobile { display: none !important; }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.theme {
  position: relative; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--heading); cursor: pointer; display: grid; place-items: center;
}
.theme:hover { border-color: var(--accent); color: var(--accent); }
.theme .i { position: absolute; transition: transform .4s, opacity .3s; }
.theme .i--moon { opacity: 0; transform: rotate(-90deg) scale(.5); }
:root[data-theme="dark"] .theme .i--sun { opacity: 0; transform: rotate(90deg) scale(.5); }
:root[data-theme="dark"] .theme .i--moon { opacity: 1; transform: none; }
.burger { display: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--surface); cursor: pointer; padding: 0; }
.burger span { display: block; width: 16px; height: 1.6px; margin: 4px auto; background: var(--heading); transition: transform .3s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(2.8px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-2.8px) rotate(-45deg); }

/* Fonds techniques */
.hero__bg, .sec__bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.grid {
  position: absolute; inset: -1px;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(70px); }
.glow--a { width: 560px; height: 560px; right: -140px; top: -160px; background: var(--glow-a); animation: drift 16s ease-in-out infinite alternate; }
.glow--b { width: 460px; height: 460px; left: -160px; bottom: -200px; background: var(--glow-b); animation: drift 20s ease-in-out infinite alternate-reverse; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 9vw, 112px) 0 clamp(64px, 9vw, 120px); }
.hero__in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__title { max-width: 14ch; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__title .grad { display: inline-block; padding-bottom: .08em; }
.hero__lead { font-size: clamp(1.08rem, 1.7vw, 1.25rem); color: var(--text-soft); max-width: 56ch; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 2.2rem; color: var(--muted); font-size: .9rem; }
.hero__facts li { display: inline-flex; align-items: center; gap: .5em; }
.hero__facts .i { color: var(--accent); }

.hero__visual { position: relative; min-height: 440px; display: grid; place-items: center; }
.echo { position: absolute; top: 0; left: 50%; width: 300px; height: 300px; transform: translateX(-30%); display: grid; place-items: center; }
.echo__mark { position: relative; z-index: 2; width: 132px; height: 132px; filter: drop-shadow(0 20px 40px rgba(0, 84, 97, .45)); animation: float 6s ease-in-out infinite; }
.echo__ring { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--accent); opacity: 0; animation: echo 4.5s cubic-bezier(.2, .6, .3, 1) infinite; }
.echo__ring:nth-child(2) { animation-delay: 1.5s; }
.echo__ring:nth-child(3) { animation-delay: 3s; }

.ticket {
  position: relative; z-index: 3; align-self: end; width: min(100%, 420px); margin-top: 210px;
  border-radius: var(--r-lg); border: 1px solid var(--line-strong); overflow: hidden;
  background: color-mix(in srgb, var(--surface) 82%, transparent); backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg); font-size: .88rem;
}
.ticket__bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.ticket__bar span { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.ticket__bar code { margin-left: 8px; color: var(--muted); }
.ticket__log { padding: 14px 16px 6px; display: grid; gap: 9px; counter-reset: l; }
.ticket__log li { display: flex; gap: 12px; color: var(--text-soft); animation: line .5s backwards; }
.ticket__log li:nth-child(1) { animation-delay: .3s; } .ticket__log li:nth-child(2) { animation-delay: .9s; }
.ticket__log li:nth-child(3) { animation-delay: 1.5s; } .ticket__log li:nth-child(4) { animation-delay: 2.1s; }
.ticket__log li:nth-child(5) { animation-delay: 2.7s; }
.ticket__log code { color: var(--muted); min-width: 3.4em; }
.ticket__log .is-bad { color: #e0795d; }
.ticket__log .is-ok { color: var(--ed-vert); font-weight: 600; }
.ticket__status {
  display: flex; align-items: center; gap: 10px; margin: 8px 16px 16px; padding: 10px 12px; border-radius: 10px;
  background: rgba(125, 177, 89, .12); color: var(--ed-vert); font-weight: 600; font-size: .85rem;
  animation: line .5s 3.2s backwards;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--ed-vert); box-shadow: 0 0 0 0 rgba(125, 177, 89, .6); animation: pulse 2s infinite; }

/* Sections */
.sec { position: relative; padding: clamp(72px, 10vw, 128px) 0; }
.sec--tight { padding-top: 24px; }
.sec--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.sec__head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 60px); }
.sec__head h2 { max-width: 22ch; }

.sec--dark {
  --heading: #f1fbfa; --text-soft: #b8d0cf; --muted: #86a5a5; --accent: #2dd0d6; --line: rgba(120, 214, 214, .14);
  --grid-line: rgba(120, 214, 214, .07);
  background: radial-gradient(ellipse at 80% 0%, rgba(0, 165, 172, .25), transparent 55%), radial-gradient(ellipse at 0% 100%, rgba(125, 177, 89, .18), transparent 55%), #03191d;
  color: #e3f1f0; overflow: hidden;
}
.sec--dark .wrap { position: relative; z-index: 1; }

/* Cartes */
.cards { display: grid; gap: 18px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  position: relative; padding: 26px; border-radius: var(--r-lg); border: 1px solid var(--line);
  background: var(--surface); box-shadow: var(--shadow);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .3s;
}
.card:hover { transform: translateY(-4px); }
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: .45em; }
.card p { color: var(--text-soft); font-size: .98rem; }
.card__icon {
  display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px; border-radius: 12px;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.card__icon .i { width: 22px; height: 22px; }
.card--problem h3 { font-size: 1.12rem; }
.card__tag { display: inline-flex; align-items: center; gap: .45em; margin: 6px 0 0; font: 500 .78rem/1 var(--font-mono); color: var(--accent); letter-spacing: .02em; }
.card__tag .i { width: 14px; height: 14px; }
.chip { display: inline-block; padding: .4em .8em; border-radius: 999px; font: 500 .74rem/1 var(--font-mono); color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); }

/* Services */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.service {
  position: relative; display: grid; grid-template-columns: auto 1fr; gap: 22px; padding: 30px; overflow: hidden;
  border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow);
  transition: transform .3s, border-color .3s;
}
.service:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.service::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 220px; height: 220px; border-radius: 50%;
  background: var(--glow-a); filter: blur(50px); opacity: 0; transition: opacity .4s;
}
.service:hover::after { opacity: 1; }
.service__num {
  font: 300 4.4rem/0.9 var(--font-display); background: linear-gradient(180deg, var(--line-strong), transparent);
  -webkit-background-clip: text; background-clip: text; color: transparent; min-width: .7em;
}
.service__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.service__top .card__icon { margin: 0; }
.service h3 { font-size: 1.32rem; margin-top: 14px; }
.service p { color: var(--text-soft); }
.ticks { display: grid; gap: 8px; margin: 16px 0 0; }
.ticks li { display: flex; gap: .6em; align-items: flex-start; font-size: .94rem; color: var(--text-soft); }
.ticks .i { color: var(--ed-vert); margin-top: .22em; width: 1em; height: 1em; }
.more { display: inline-flex; align-items: center; gap: .45em; margin-top: 18px; font-weight: 600; font-size: .92rem; }
.more .i { width: 14px; height: 14px; }

/* Manifeste */
.manifesto { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; }
.manifesto__item { display: flex; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); }
.manifesto__item p { margin: 0; color: var(--text-soft); font-size: 1.04rem; }
.manifesto__item strong { color: var(--heading); font-weight: 600; }
.manifesto__mark { display: grid; place-items: center; width: 30px; height: 30px; flex: none; border-radius: 50%; }
.manifesto__mark .i { width: 16px; height: 16px; }
.manifesto__item--check .manifesto__mark { background: rgba(125, 177, 89, .16); color: #9fd27b; }
.manifesto__item--x .manifesto__mark { background: rgba(224, 121, 93, .14); color: #ef9a80; }

/* Étapes */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 26px; left: 26px; right: 26px; height: 1px; background: linear-gradient(90deg, var(--accent), var(--ed-vert)); opacity: .45; }
.step { position: relative; padding-top: 0; }
.step__num {
  position: relative; display: inline-grid; place-items: center; width: 52px; height: 52px; margin-bottom: 22px; border-radius: 16px;
  font: 600 .95rem/1 var(--font-mono); color: var(--accent); background: var(--surface); border: 1px solid var(--line-strong); box-shadow: var(--shadow);
}
.step h3 { font-size: 1.15rem; }
.step p { color: var(--text-soft); font-size: .96rem; }

/* Budget */
.plan { display: flex; flex-direction: column; }
.plan .ticks { margin-bottom: 26px; }
.plan .btn { margin-top: auto; }
.plan__value { font: 700 1.9rem/1.1 var(--font-display); color: var(--heading); margin: .1em 0 .5em; }
.plan h3 { font: 500 .8rem/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.plan--featured { border-color: transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad) border-box; border: 1.5px solid transparent; box-shadow: var(--shadow-lg); }
.plan--featured::before { display: none; }
.plan--featured .plan__value { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.plan__badge { position: absolute; top: -12px; right: 22px; padding: .45em .85em; border-radius: 999px; background: var(--grad); color: #fff; font: 600 .72rem/1 var(--font-body); letter-spacing: .02em; }
.note { margin-top: 26px; color: var(--muted); font-size: .92rem; max-width: 70ch; }

/* Cas réels */
.case .chip { margin-bottom: 16px; }
.stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.stack li { padding: .35em .7em; border-radius: 8px; font: 500 .74rem/1 var(--font-mono); color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); }

/* Valeurs SPIRE */
.values__in { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.spire { font: 700 clamp(4rem, 10vw, 7.5rem)/1 var(--font-body); letter-spacing: .02em; margin: 0 0 .2em; }
.spire--0 { color: var(--ed-petrole); } .spire--1 { color: var(--ed-turquoise); } .spire--2 { color: var(--ed-jade); }
.spire--3 { color: var(--ed-vert); } .spire--4 { color: var(--ed-canard); }
:root[data-theme="dark"] .spire--0, :root[data-theme="dark"] .spire--4 { color: #2fb7bf; }
.values__list { display: grid; gap: 4px; margin: 0; }
.value { display: grid; grid-template-columns: 210px 1fr; gap: 16px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--line); }
.value:last-child { border-bottom: 0; }
.value dt { display: flex; align-items: baseline; gap: 12px; font: 700 1.12rem/1.2 var(--font-display); color: var(--heading); }
.value__l { font: 700 1.5rem/1 var(--font-body); width: 1em; }
.value dd { margin: 0; color: var(--text-soft); }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq__item { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); transition: border-color .3s; }
.faq__item[open] { border-color: var(--line-strong); box-shadow: var(--shadow); }
.faq__item summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 22px; cursor: pointer; font-weight: 600; color: var(--heading); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item p { padding: 0 22px 20px; margin: 0; color: var(--text-soft); }
.faq__plus { position: relative; width: 14px; height: 14px; flex: none; }
.faq__plus::before, .faq__plus::after { content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 2px; border-radius: 2px; background: var(--accent); transition: transform .3s; }
.faq__plus::after { transform: rotate(90deg); }
.faq__item[open] .faq__plus::after { transform: rotate(0); }

/* Appel final */
.cta {
  position: relative; overflow: hidden; padding: clamp(44px, 7vw, 84px); border-radius: 28px; text-align: center;
  background: var(--grad-deep); color: #fff; box-shadow: var(--shadow-lg);
}
.cta h2 { --heading: #fff; --accent: #8ff0f2; max-width: 20ch; margin-inline: auto; position: relative; }
.cta .lead { color: rgba(255, 255, 255, .85); margin-inline: auto; position: relative; }
.cta .hero__actions { justify-content: center; margin-top: 28px; position: relative; }
.cta__glow { position: absolute; inset: 0; background: radial-gradient(circle at 20% 0%, rgba(125, 177, 89, .5), transparent 45%), radial-gradient(circle at 90% 100%, rgba(0, 165, 172, .6), transparent 50%); }

/* Pages intérieures */
.page-head { position: relative; overflow: hidden; padding: clamp(48px, 8vw, 96px) 0 clamp(32px, 4vw, 48px); }
.page-head .wrap { position: relative; z-index: 1; }
.crumbs { font: 500 .8rem/1 var(--font-mono); color: var(--muted); margin-bottom: 26px; }
.crumbs a { color: var(--muted); }
.prose { color: var(--text-soft); }
.prose h2 { font-size: 1.35rem; margin-top: 2.2em; }
.prose ul { list-style: disc; padding-left: 1.3em; margin-bottom: 1em; }
.prose li { margin-bottom: .35em; }
.prose strong { color: var(--heading); }
.facts { display: grid; grid-template-columns: 180px 1fr; margin: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.facts dt, .facts dd { margin: 0; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.facts dt { font-weight: 600; color: var(--heading); background: var(--surface-2); }
.facts dt:nth-last-of-type(1), .facts dd:last-child { border-bottom: 0; }
.notfound { min-height: 60vh; display: grid; align-items: center; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.next { display: grid; gap: 14px; margin: 30px 0; }
.next li { display: flex; gap: 14px; align-items: flex-start; }
.next p { margin: 0; color: var(--text-soft); }
.next strong { color: var(--heading); }
.next__n { display: grid; place-items: center; width: 28px; height: 28px; flex: none; border-radius: 50%; font: 600 .8rem/1 var(--font-mono); color: #fff; background: var(--grad); }
.direct { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.direct a, .direct__static { display: flex; gap: 12px; align-items: center; height: 100%; padding: 14px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); color: var(--heading); font-size: .9rem; word-break: break-word; }
.direct a:hover { border-color: var(--accent); text-decoration: none; }
.direct .i { color: var(--accent); width: 22px; height: 22px; }
.direct small { display: block; font: 500 .7rem/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.form-card { position: relative; padding: clamp(22px, 4vw, 36px); border-radius: var(--r-lg); border: 1px solid var(--line-strong); background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(14px); box-shadow: var(--shadow-lg); }
.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 7px; font-size: .88rem; font-weight: 600; color: var(--heading); }
.form input, .form select, .form textarea {
  width: 100%; padding: .78em .95em; border-radius: 11px; border: 1px solid var(--line-strong); background: var(--bg);
  color: var(--text); font: 400 1rem/1.4 var(--font-body); transition: border-color .2s, box-shadow .2s;
}
.form textarea { resize: vertical; min-height: 140px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.form .is-invalid { border-color: #e0795d; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--text-soft); }
.form .check input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--ed-turquoise); }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { display: flex; gap: 12px; padding: 14px 16px; margin-bottom: 18px; border-radius: 12px; font-size: .95rem; }
.alert p { margin: 4px 0 0; }
.alert--ok { background: rgba(125, 177, 89, .14); color: var(--heading); border: 1px solid rgba(125, 177, 89, .4); }
.alert--ok .i { color: var(--ed-vert); width: 24px; height: 24px; }
.alert--err { background: rgba(224, 121, 93, .12); color: var(--heading); border: 1px solid rgba(224, 121, 93, .4); }

/* Pied de page */
.foot { position: relative; overflow: hidden; padding: 72px 0 0; background: var(--bg-alt); border-top: 1px solid var(--line); font-size: .93rem; }
.foot__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 40px; }
.foot__brand p { color: var(--muted); max-width: 38ch; }
.foot__tagline { margin-top: 14px; font-family: var(--font-display); color: var(--heading) !important; }
.foot__title { font: 500 .74rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: 16px; }
.foot ul { display: grid; gap: 9px; }
.foot li, .foot a { color: var(--text-soft); }
.foot a:hover { color: var(--accent); }
.foot__bar { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 48px; padding: 22px 0 26px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.foot__spire { position: absolute; left: 50%; bottom: -0.32em; transform: translateX(-50%); font: 800 clamp(6rem, 22vw, 18rem)/1 var(--font-body); letter-spacing: .12em; color: transparent; -webkit-text-stroke: 1px var(--line); white-space: nowrap; pointer-events: none; user-select: none; }

/* Apparition au défilement (désactivée sans JS : voir site.js) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }

@keyframes echo { 0% { transform: scale(.45); opacity: .7; } 100% { transform: scale(1.35); opacity: 0; } }
@keyframes float { 50% { transform: translateY(-10px); } }
@keyframes drift { to { transform: translate(-40px, 40px) scale(1.08); } }
@keyframes line { from { opacity: 0; transform: translateY(6px); } }
@keyframes blink { 50% { opacity: .4; } }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(125, 177, 89, 0); } 100% { box-shadow: 0 0 0 0 rgba(125, 177, 89, 0); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Adaptation */
@media (max-width: 1060px) {
  .nav__links a { padding: .5em .6em; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 18px; }
  .steps::before { display: none; }
}
@media (max-width: 920px) {
  .nav__links {
    position: fixed; inset: 70px 0 auto 0; flex-direction: column; gap: 2px; padding: 12px 16px 20px;
    background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .25s;
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__links a { padding: .85em .9em; font-size: 1rem; }
  .nav__cta-mobile { display: inline-flex !important; margin-top: 8px; color: #fff !important; }
  .nav__cta { display: none; }
  .burger { display: block; }
  .nav__actions { margin-left: auto; }
  .hero__in, .contact, .values__in { grid-template-columns: 1fr; }
  .hero__visual { min-height: 0; }
  .echo { width: 220px; height: 220px; left: auto; right: -10px; top: -40px; transform: none; opacity: .9; }
  .echo__mark { width: 96px; height: 96px; }
  .ticket { margin-top: 120px; justify-self: start; }
  .cards--3, .services, .manifesto { grid-template-columns: 1fr; }
  .manifesto { gap: 0; }
}
@media (max-width: 600px) {
  body { font-size: 1rem; }
  .brand__word { font-size: 1.12rem; }
  .service { grid-template-columns: 1fr; gap: 0; padding: 24px; }
  .service__num { font-size: 3rem; margin-bottom: 8px; }
  .steps, .form__row, .direct, .foot__grid { grid-template-columns: 1fr; }
  .value { grid-template-columns: 1fr; gap: 4px; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { border-bottom: 0; padding-bottom: 2px; }
  .hero__actions .btn { width: 100%; }
}