/* ============================================================
   CySTrAI — Cyber Security and Trusted AI
   Charte dérivée du logo : navy profond + teal.
   Motifs : hexagone (forme du « C ») et nœuds reliés (le trait du logo).
   ============================================================ */

/* Police Inter auto-hébergée (aucun appel à un service tiers) */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url(../fonts/inter-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url(../fonts/inter-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --navy-950: #00142a;
  --navy-900: #011f3b;
  --navy-800: #01264a;
  --navy-700: #0a3560;
  --navy-600: #174674;
  --teal: #00bdb6;
  --teal-300: #5fe0d8;
  --teal-200: #b3f0ec;
  --teal-50: #e6f8f7;
  --teal-ink: #007a74;       /* teal lisible sur fond clair (contraste ≥ 4,5:1) */

  --ink: #011f3b;
  --ink-2: #1c3550;
  --muted: #4a5d72;
  --line: #dce5ee;
  --field-line: #7b8fa4;     /* bord des champs (contraste ≥ 3:1) */
  --bg: #ffffff;
  --bg-tint: #f3f7fa;

  --on-dark: #ffffff;
  --on-dark-2: #c6d4e1;
  --on-dark-muted: #a9bccd;
  --danger: #b42318;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(1, 31, 59, .04), 0 2px 10px rgba(1, 31, 59, .05);
  --shadow: 0 14px 40px rgba(1, 31, 59, .10);
  --shadow-lg: 0 30px 80px rgba(1, 31, 59, .22);

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 72px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --hex: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66v34' fill='none' stroke='%23ffffff' stroke-opacity='.07'/%3E%3C/svg%3E");
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); line-height: 1.2; letter-spacing: -.015em; text-wrap: balance; }
p, li { text-wrap: pretty; }
strong { font-weight: 650; }
button { font: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic {
  width: 20px; height: 20px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

:focus-visible { outline: 3px solid var(--teal-ink); outline-offset: 3px; border-radius: 6px; }
.hero :focus-visible, .section--dark :focus-visible { outline-color: var(--teal); }
.section--dark .cal :focus-visible, .section--dark .form :focus-visible { outline-color: var(--teal-ink); }

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--navy-900); color: #fff; padding: 12px 18px; border-radius: 10px; font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 650; font-size: 15.5px; line-height: 1.25; text-align: center;
  padding: 13px 22px; border-radius: 12px; border: 1.5px solid transparent; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s var(--ease);
}
.btn .ic { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.btn:hover .ic { transform: translateX(3px); }
.btn--primary { background: var(--teal); color: var(--navy-900); }
.btn--primary:hover { background: #2fd3cb; box-shadow: 0 10px 30px rgba(0, 189, 182, .32); transform: translateY(-1px); }
.btn--dark { background: var(--navy-900); color: #fff; }
.btn--dark:hover { background: var(--navy-700); transform: translateY(-1px); }
.btn--ghost { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.btn--outline { border-color: var(--navy-900); color: var(--navy-900); }
.btn--outline:hover { background: var(--navy-900); color: #fff; }
.btn--lg { padding: 16px 26px; font-size: 16.5px; }
.btn--sm { padding: 10px 16px; font-size: 14.5px; }
.btn--block { width: 100%; }
.btn[disabled] { cursor: progress; opacity: .75; transform: none; box-shadow: none; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(1, 31, 59, .06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); }
.brand { display: inline-flex; flex: none; }
.brand-logo { height: 38px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 2px; }
.nav-link {
  padding: 8px 11px; border-radius: 9px; font-size: 15px; font-weight: 550; color: var(--ink-2);
  transition: background-color .2s, color .2s;
}
.nav-link:hover { background: var(--bg-tint); color: var(--navy-900); }
.nav-link[aria-current="true"] { color: var(--teal-ink); background: var(--teal-50); }
.nav-cta { display: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-cta { white-space: nowrap; }
.nav-toggle {
  display: none; width: 44px; height: 44px; padding: 0; cursor: pointer;
  border: 1px solid var(--line); border-radius: 11px; background: #fff;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--gutter) 24px; background: #fff;
    border-bottom: 1px solid var(--line); box-shadow: 0 24px 40px rgba(1, 31, 59, .12);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s, transform .25s var(--ease), visibility 0s linear .25s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .2s, transform .25s var(--ease); }
  .nav-link { padding: 14px 4px; font-size: 17px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav-link:hover, .nav-link[aria-current="true"] { background: none; }
  .nav-cta { display: flex; margin-top: 18px; }
}
@media (max-width: 640px) {
  .header-cta { display: none; }
  .brand-logo { height: 34px; }
}
/* Sans JavaScript, le menu reste accessible sous forme de liste. */
@media (max-width: 1080px) and (scripting: none) {
  .nav-toggle { display: none; }
  .header-inner { height: auto; min-height: var(--header-h); flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
  .site-nav { position: static; opacity: 1; visibility: visible; transform: none; flex-direction: row; flex-wrap: wrap; box-shadow: none; border: 0; padding: 0; width: 100%; }
  .nav-link { border: 0; padding: 6px 8px; font-size: 15px; }
  .nav-cta { display: none; }
}

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(64px, 9vw, 112px) 0; }
.section--tint { background: var(--bg-tint); }
.section--compact { padding: clamp(40px, 6vw, 64px) 0; }
.section--dark { background: var(--navy-900); color: var(--on-dark-2); overflow: hidden; isolation: isolate; }
.section--dark .container { position: relative; }
.dark-bg, .hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.dark-bg {
  background:
    radial-gradient(50% 60% at 85% 0%, rgba(0, 189, 182, .16), transparent 70%),
    radial-gradient(45% 55% at 0% 100%, rgba(23, 70, 116, .55), transparent 70%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
}
.dark-bg::after, .hero-bg::after {
  content: ""; position: absolute; inset: 0; background-image: var(--hex); background-size: 56px 100px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 10%, transparent 75%);
}

.section-head { max-width: 780px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section-head--left { text-align: left; margin-left: 0; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px;
  font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal-ink);
}
/* Motif « nœuds reliés » issu du logo */
.kicker::before {
  content: ""; width: 24px; height: 8px; flex: none;
  background:
    radial-gradient(circle at 4px 4px, currentColor 3px, transparent 3.5px),
    radial-gradient(circle at 20px 4px, currentColor 3px, transparent 3.5px),
    linear-gradient(currentColor, currentColor) center / 14px 2px no-repeat;
}
.section-title { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem); font-weight: 800; line-height: 1.12; letter-spacing: -.025em; }
.lead { margin-top: 18px; font-size: clamp(1.02rem, .97rem + .25vw, 1.15rem); color: var(--muted); }
.lead a, .faq-body a { color: var(--teal-ink); text-decoration: underline; text-underline-offset: 3px; }
.section--dark .kicker { color: var(--teal-300); }
.section--dark .section-title, .section--dark h3 { color: #fff; }
.section--dark .lead { color: var(--on-dark-2); }

.note { max-width: 780px; margin: 28px auto 0; text-align: center; font-size: 14.5px; color: var(--muted); }
.note--dark { color: var(--on-dark-muted); }
.center-cta { margin-top: clamp(36px, 5vw, 56px); text-align: center; }

/* ---------- Cartes ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #c4e9e6; }
.card h3 { font-size: 1.125rem; line-height: 1.3; margin-bottom: 10px; }
.card > p { font-size: 15px; color: var(--muted); }
.card-ic {
  display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 20px;
  border-radius: 13px; color: var(--teal-300);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
}
.card-ic .ic { width: 24px; height: 24px; }

.card--row { display: grid; grid-template-columns: 48px 1fr; grid-template-rows: auto 1fr auto; column-gap: 20px; align-items: start; }
.card--row > .card-ic { grid-row: 1 / -1; margin: 0; }
.card--row > :not(.card-ic) { grid-column: 2; }

.checklist li { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; }
.checklist .ic { width: 18px; height: 18px; margin-top: 3px; color: var(--teal-ink); stroke-width: 2.2; }
.checklist--sm { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.checklist--sm li { font-size: 14.5px; padding: 5px 0; color: var(--ink-2); }

/* ---------- 1. Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(48px, 8vw, 104px) 0 clamp(64px, 8vw, 112px);
  background: var(--navy-900); color: var(--on-dark-2);
}
.hero-bg {
  background:
    radial-gradient(45% 55% at 82% 35%, rgba(0, 189, 182, .22), transparent 70%),
    radial-gradient(50% 60% at 0% 100%, rgba(23, 70, 116, .6), transparent 70%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
}
.hero-inner { display: grid; grid-template-columns: 1.12fr .88fr; gap: clamp(40px, 5vw, 72px); align-items: center; }
.eyebrow {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-bottom: 22px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-300);
}
.eyebrow i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .7; }
.hero-title {
  font-size: clamp(2.15rem, 1.35rem + 3vw, 3.5rem); font-weight: 800; line-height: 1.08; letter-spacing: -.03em; color: #fff;
}
.hl {
  color: var(--teal);
  background: linear-gradient(90deg, #5fe0d8, var(--teal) 60%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-lead { margin-top: 24px; max-width: 600px; font-size: clamp(1.05rem, .98rem + .35vw, 1.25rem); color: var(--on-dark-2); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.takeaways {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.takeaways li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; font-weight: 550; line-height: 1.45; color: #dce6ef; }
.takeaways .ic { width: 18px; height: 18px; margin-top: 2px; color: var(--teal); stroke-width: 2.4; }

.hero-visual { position: relative; padding-bottom: 112px; }
.env-card {
  position: relative; padding: 20px; border-radius: 22px; color: #e3ecf4;
  background: linear-gradient(180deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .03));
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.env-head { display: flex; align-items: center; gap: 12px; padding: 2px 2px 16px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.env-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--navy-700); border: 1px solid rgba(255, 255, 255, .12); }
.env-mark img { width: 26px; height: 26px; }
.env-title { display: flex; flex-direction: column; font-size: 15px; font-weight: 700; color: #fff; line-height: 1.3; }
.env-title small { font-size: 12.5px; font-weight: 500; color: var(--on-dark-muted); }
.env-status {
  margin-left: auto; display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 700;
  color: var(--teal-300); background: rgba(0, 189, 182, .12); border: 1px solid rgba(0, 189, 182, .3);
}
.env-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 0 rgba(0, 189, 182, .6); }
.env-list { display: grid; gap: 8px; margin-top: 16px; }
.env-list li {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; font-size: 14px; line-height: 1.35;
  border-radius: 12px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .07);
}
.env-ic { display: grid; place-items: center; width: 32px; height: 32px; flex: none; border-radius: 9px; background: rgba(0, 189, 182, .13); color: var(--teal-300); }
.env-ic .ic { width: 18px; height: 18px; }
.env-ok { display: grid; place-items: center; width: 22px; height: 22px; flex: none; margin-left: auto; border-radius: 50%; background: var(--teal); color: var(--navy-900); }
.env-ok .ic { width: 13px; height: 13px; stroke-width: 3; }
.env-foot { display: flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 12.5px; color: var(--on-dark-muted); }
.env-foot .ic { width: 16px; height: 16px; color: var(--teal-300); }

.dev-card {
  position: absolute; left: -32px; bottom: 0; width: min(300px, 80%);
  padding: 16px 18px; border-radius: 16px; background: #fff; color: var(--ink);
  box-shadow: var(--shadow-lg);
}
.dev-label { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; letter-spacing: .02em; color: var(--muted); }
.dev-label .ic { width: 16px; height: 16px; color: var(--teal-ink); }
.dev-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.dev-chips li { padding: 5px 11px; border-radius: 999px; font-size: 13px; font-weight: 650; color: var(--teal-ink); background: var(--teal-50); }

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: rise .7s var(--ease) both; }
  .hero-copy > :nth-child(2) { animation-delay: .06s; }
  .hero-copy > :nth-child(3) { animation-delay: .12s; }
  .hero-copy > :nth-child(4) { animation-delay: .18s; }
  .hero-copy > :nth-child(5) { animation-delay: .24s; }
  .env-card { animation: rise .8s var(--ease) .1s both; }
  .dev-card { animation: rise .8s var(--ease) 1.5s both; }
  .env-list li { animation: rise .5s var(--ease) both; }
  .env-list li:nth-child(1) { animation-delay: .35s; }
  .env-list li:nth-child(2) { animation-delay: .5s; }
  .env-list li:nth-child(3) { animation-delay: .65s; }
  .env-list li:nth-child(4) { animation-delay: .8s; }
  .env-list li:nth-child(5) { animation-delay: .95s; }
  .env-list li:nth-child(6) { animation-delay: 1.1s; }
  .env-ok { animation: pop .4s var(--ease) both; }
  .env-list li:nth-child(1) .env-ok { animation-delay: .7s; }
  .env-list li:nth-child(2) .env-ok { animation-delay: .85s; }
  .env-list li:nth-child(3) .env-ok { animation-delay: 1s; }
  .env-list li:nth-child(4) .env-ok { animation-delay: 1.15s; }
  .env-list li:nth-child(5) .env-ok { animation-delay: 1.3s; }
  .env-list li:nth-child(6) .env-ok { animation-delay: 1.45s; }
  .env-status i { animation: pulse 2.4s ease-out 1.6s infinite; }
}
@keyframes rise { from { opacity: 0; translate: 0 16px; } to { opacity: 1; translate: none; } }
@keyframes pop { from { opacity: 0; scale: .4; } to { opacity: 1; scale: 1; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(0, 189, 182, .55); } 70%, 100% { box-shadow: 0 0 0 10px rgba(0, 189, 182, 0); } }

/* ---------- 2. Approche ---------- */
.needs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.need {
  display: flex; align-items: center; gap: 14px; padding: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  font-size: 15px; font-weight: 600; line-height: 1.35; color: var(--ink);
}
.need-ic { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 11px; background: var(--teal-50); color: var(--teal-ink); }
.need--accent { padding: 0; background: var(--navy-900); border-color: var(--navy-900); }
.need--accent a { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; height: 100%; padding: 18px 20px; color: #fff; border-radius: inherit; }
.need--accent .ic { color: var(--teal); transition: transform .2s var(--ease); }
.need--accent a:hover .ic { transform: translateX(4px); }

.split { display: grid; grid-template-columns: 1fr 80px 1fr; margin-top: clamp(32px, 5vw, 48px); }
.split-col { padding: clamp(22px, 3vw, 32px); border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.split-col--us { background: var(--navy-900); border-color: var(--navy-900); color: var(--on-dark-2); }
.split-col--us .split-title { color: #fff; }
.split-col--us .checklist .ic { color: var(--teal); }
.split-title { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 1.2rem; }
.split-ic { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 11px; background: var(--teal-50); color: var(--teal-ink); }
.split-col--us .split-ic { background: rgba(255, 255, 255, .08); }
.split-ic img { width: 24px; height: 24px; }
.split-join { position: relative; }
.split-join i { position: absolute; top: 50%; left: 14px; right: 14px; height: 2px; background: var(--teal); }
.split-join i::before, .split-join i::after {
  content: ""; position: absolute; top: 50%; width: 14px; height: 14px; margin-top: -7px; border-radius: 50%; background: var(--teal);
}
.split-join i::before { left: -7px; }
.split-join i::after { right: -7px; }

/* ---------- 3. Développeurs ---------- */
.benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.statement {
  display: flex; align-items: center; gap: 20px; max-width: 920px; margin: clamp(36px, 5vw, 48px) auto 0;
  padding: 24px 28px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); border-left: 4px solid var(--teal);
  font-size: clamp(1.05rem, 1rem + .3vw, 1.22rem); font-weight: 500; line-height: 1.5; color: var(--ink);
}
.statement strong { color: var(--teal-ink); font-weight: 700; }
.statement-mark { flex: none; }
.statement-mark img { width: 44px; height: 44px; }

/* ---------- 4. Expertises ---------- */
.expertises { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.expertise > p { font-weight: 500; color: var(--ink-2); }
.synergy {
  display: grid; grid-template-columns: minmax(240px, 380px) 1fr; gap: clamp(28px, 5vw, 64px); align-items: center;
  margin-top: clamp(36px, 5vw, 56px); padding: clamp(24px, 4vw, 44px);
  border-radius: 24px; background: var(--bg-tint); border: 1px solid var(--line);
}
.synergy-visual { position: relative; }
.venn { display: block; width: 100%; height: auto; overflow: visible; }
.venn-c { stroke-width: 1.5; }
.venn-c--cloud { fill: rgba(23, 70, 116, .10); stroke: var(--navy-600); }
.venn-c--cyber { fill: rgba(1, 31, 59, .10); stroke: var(--navy-900); }
.venn-c--ai { fill: rgba(0, 189, 182, .16); stroke: var(--teal-ink); }
.venn-t { font: 700 17px var(--font); fill: var(--ink); text-anchor: middle; }
.venn-dot { fill: #fff; stroke: var(--teal-ink); stroke-width: 1.5; }
.venn-n { font: 700 13px var(--font); fill: var(--teal-ink); text-anchor: middle; dominant-baseline: central; }
.venn-core { fill: #fff; stroke: var(--teal); stroke-width: 2; }
.venn-mark { position: absolute; left: 50%; top: 45.6%; width: 10%; transform: translate(-50%, -50%); }
.synergy-copy h3 { font-size: 1.3rem; margin-bottom: 18px; }
.synergy-list { display: grid; gap: 14px; }
.synergy-list li { display: flex; align-items: flex-start; gap: 14px; font-size: 15.5px; }
.synergy-list strong { color: var(--ink); }
.synergy-n {
  display: grid; place-items: center; width: 28px; height: 28px; flex: none; margin-top: -1px;
  border-radius: 50%; background: #fff; border: 1.5px solid var(--teal-ink); color: var(--teal-ink); font-size: 13px; font-weight: 700;
}
.synergy-n--core { background: var(--navy-900); border-color: var(--navy-900); }
.synergy-n--core img { width: 16px; height: 16px; }

/* ---------- 5. Accompagnements ---------- */
.offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.offer { display: flex; flex-direction: column; }
.offer-num { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; font: 700 14px var(--mono); color: var(--teal-ink); }
.offer-num::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--teal-200), transparent); }
.offer h3 { font-size: 1.25rem; }
.offer-sum { font-size: 15.5px; font-weight: 500; color: var(--ink-2); }
.offer .checklist--sm { margin-top: auto; padding-top: 16px; }
.offer-sum + .checklist--sm { margin-top: 18px; }

/* ---------- 6. Comment démarrer ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step { position: relative; padding-top: 64px; }
.step::before {
  content: ""; position: absolute; top: 21px; left: 58px; right: -16px; height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--teal-200));
}
.step:last-child::before { display: none; }
.step-dot {
  position: absolute; top: 0; left: 0; display: grid; place-items: center; width: 44px; height: 44px;
  border-radius: 50%; background: var(--navy-900); color: #fff; font-weight: 800; font-size: 16px;
  box-shadow: 0 0 0 6px var(--teal-50);
}
.step-owner {
  display: inline-block; margin-bottom: 12px; padding: 4px 10px; border-radius: 999px;
  font-size: 13px; font-weight: 700;
  color: var(--teal-ink); background: var(--teal-50);
}
.step h3 { font-size: 1.1rem; line-height: 1.3; margin-bottom: 8px; }
.step p:not(.step-owner) { font-size: 15px; color: var(--muted); }

/* ---------- 7. Confiance ---------- */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.principle {
  padding: 26px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .1);
  transition: border-color .3s, background-color .3s;
}
.principle:hover { border-color: rgba(0, 189, 182, .4); background: rgba(255, 255, 255, .06); }
.principle-ic {
  display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 18px; border-radius: 12px;
  color: var(--teal-300); background: rgba(0, 189, 182, .12); border: 1px solid rgba(0, 189, 182, .25);
}
.principle-ic .ic { width: 22px; height: 22px; }
.principle h3 { font-size: 1.08rem; line-height: 1.3; margin-bottom: 8px; }
.principle p { font-size: 15px; color: var(--on-dark-muted); }

/* ---------- 8. Usages ---------- */
.usecases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.flow {
  margin-top: 18px; padding: 10px 14px; border-radius: 10px;
  font-size: 13.5px; font-weight: 650; line-height: 1.6; color: var(--navy-700);
  background: var(--bg-tint); border: 1px solid var(--line);
}
.flow li { display: inline; }
.flow li + li::before { content: "→"; content: "→" / ""; margin: 0 8px; color: var(--teal-ink); font-weight: 700; }

/* ---------- 9. PLANIA ---------- */
.aside-band {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px 40px;
  padding: clamp(22px, 4vw, 36px); border-radius: var(--radius); background: #fff; border: 1px solid var(--line);
}
.aside-band .kicker { margin-bottom: 10px; }
.aside-title { font-size: clamp(1.2rem, 1.05rem + .6vw, 1.5rem); margin-bottom: 8px; }
.aside-band p:not(.kicker) { max-width: 660px; color: var(--muted); }

/* ---------- 10. FAQ ---------- */
.faq-layout { display: grid; grid-template-columns: minmax(260px, 380px) 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.faq-layout .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 4px; cursor: pointer; list-style: none;
  font-size: 1.05rem; font-weight: 650; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--teal-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23007A74' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center / 14px no-repeat;
  transition: transform .25s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--teal-ink); }
.faq-body { padding: 0 4px 22px; color: var(--muted); }

/* ---------- 11. Contact / rendez-vous ---------- */
.contact-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 24px; }
.contact-chips li {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
  font-size: 14px; color: #dce6ef; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
}
.contact-chips .ic { width: 16px; height: 16px; color: var(--teal-300); }

.booking { display: grid; grid-template-columns: 1fr 1.1fr; gap: 24px; align-items: start; }
.cal, .form {
  padding: clamp(20px, 3vw, 32px); border-radius: 20px; background: #fff; color: var(--ink-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .3);
}
.section--dark .cal h3, .section--dark .form h3 { color: var(--ink); }
.cal-step { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; font-weight: 700; color: var(--ink); }
.cal-step span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--navy-900); color: #fff; font-size: 13px; }
.cal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.cal-month { font-weight: 700; color: var(--ink); text-transform: capitalize; }
.cal-nav {
  display: grid; place-items: center; width: 40px; height: 40px; padding: 0; cursor: pointer;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
}
.cal-nav:hover:not(:disabled) { border-color: var(--teal-ink); color: var(--teal-ink); }
.cal-nav:disabled { opacity: .35; cursor: not-allowed; }
.cal-weekdays, .cal-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; text-align: center; }
.cal-weekdays span { padding: 6px 0; font-size: 12px; font-weight: 600; color: var(--muted); }
.cal-day {
  aspect-ratio: 1; min-height: 36px; padding: 0; border: 0; border-radius: 10px;
  background: transparent; font-size: 14px; color: #9aa9b8;
}
.cal-day.empty { visibility: hidden; }
.cal-day.available { background: var(--bg-tint); color: var(--ink); font-weight: 600; cursor: pointer; transition: background-color .15s, color .15s; }
.cal-day.available:hover { background: var(--teal-50); color: var(--teal-ink); }
.cal-day[aria-pressed="true"] { background: var(--navy-900); color: #fff; }
.cal-slots-wrap { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.cal-slots-label { margin-bottom: 12px; font-size: 14px; font-weight: 500; color: var(--muted); }
.cal-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.cal-slots:empty { display: none; }
.slot {
  padding: 10px 0; cursor: pointer; border-radius: 10px; border: 1.5px solid var(--line); background: #fff;
  font-size: 14px; font-weight: 600; color: var(--ink); transition: border-color .15s, background-color .15s, color .15s;
}
.slot:hover { border-color: var(--teal-ink); color: var(--teal-ink); }
.slot[aria-pressed="true"] { background: var(--teal); border-color: var(--teal); color: var(--navy-900); }
.cal-tz { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 13px; color: var(--muted); }
.cal-tz .ic { width: 16px; height: 16px; }
.cal-noscript { margin-top: 12px; font-size: 14px; }
.cal-noscript a { color: var(--teal-ink); text-decoration: underline; }

.form { position: relative; }
.selected-slot {
  display: flex; align-items: center; gap: 10px; margin-bottom: 18px; padding: 12px 14px;
  border-radius: 12px; font-size: 14px; color: var(--teal-ink); background: var(--teal-50);
}
.selected-slot strong { color: var(--ink); }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: var(--ink); }
.field input, .field textarea {
  display: block; width: 100%; padding: 12px 14px; border-radius: 11px;
  border: 1.5px solid var(--field-line); background: #fff; color: var(--ink);
  font: inherit; font-size: 15px; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 112px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--teal-ink); box-shadow: 0 0 0 4px rgba(0, 189, 182, .2); }
.field [aria-invalid="true"] { border-color: var(--danger); }
.field-hint { margin-top: 6px; font-size: 13px; color: var(--muted); }
.consent { display: flex; align-items: flex-start; gap: 10px; margin: 4px 0 18px; font-size: 13.5px; color: var(--muted); cursor: pointer; }
.consent input { width: 18px; height: 18px; flex: none; margin: 2px 0 0; accent-color: var(--teal-ink); }
.consent a { color: var(--teal-ink); text-decoration: underline; text-underline-offset: 2px; }
.consent.is-invalid span { color: var(--danger); }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-error {
  margin-bottom: 14px; padding: 12px 14px; border-radius: 11px; font-size: 14px;
  color: #8a1c13; background: #fdecea; border: 1px solid #f5c2bd;
}
.form-error a { color: inherit; font-weight: 650; text-decoration: underline; }
.form-success { padding: 24px 8px; text-align: center; }
.form-success:focus { outline: none; }
.success-ic { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--teal); color: var(--navy-900); }
.success-ic .ic { width: 30px; height: 30px; stroke-width: 2.6; }
.form-success h3 { margin-bottom: 10px; font-size: 1.4rem; }
.form-success p { color: var(--muted); }
.success-ref { margin-top: 14px; font: 12.5px var(--mono); }

.contact-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.contact-card {
  display: flex; align-items: center; gap: 14px; padding: 18px 20px; border-radius: 16px; color: #fff;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  transition: border-color .2s, background-color .2s;
}
.contact-card:hover { border-color: rgba(0, 189, 182, .5); background: rgba(255, 255, 255, .08); }
.contact-card small { display: block; font-size: 13px; color: var(--on-dark-muted); }
.contact-card strong { font-size: 15.5px; overflow-wrap: anywhere; }
.contact-ic { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 12px; color: var(--teal-300); background: rgba(0, 189, 182, .14); }

/* ---------- Pied de page ---------- */
.site-footer { padding-top: 56px; background: #fff; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-logo { width: 250px; height: auto; }
.footer-brand p { max-width: 340px; margin-top: 18px; font-size: 14.5px; color: var(--muted); }
.footer-title { margin-bottom: 14px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.footer-col a { display: block; padding: 5px 0; font-size: 14.5px; color: var(--muted); }
.footer-col a:hover { color: var(--teal-ink); }
.footer-addr { margin-top: 10px; font-size: 14px; line-height: 1.6; color: var(--muted); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  margin-top: 40px; padding-top: 22px; padding-bottom: 28px; border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--muted);
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-legal a:hover, .footer-legal a[aria-current="page"] { color: var(--teal-ink); }
.site-footer--slim { padding-top: 0; }
.site-footer--slim .footer-bottom { margin-top: 0; border-top: 0; }

/* ---------- Pages secondaires (mentions, confidentialité, 404) ---------- */
.page-hero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(44px, 7vw, 80px) 0; background: var(--navy-900); color: var(--on-dark-2); }
.page-hero .kicker { color: var(--teal-300); }
.page-hero h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); font-weight: 800; letter-spacing: -.025em; color: #fff; }
.page-hero p:not(.kicker) { margin-top: 12px; color: var(--on-dark-muted); }
.prose { max-width: 820px; padding-top: clamp(40px, 6vw, 64px); padding-bottom: clamp(56px, 8vw, 96px); }
.prose h2 { margin: 40px 0 14px; font-size: 1.35rem; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--ink-2); }
.prose p + p { margin-top: 12px; }
.prose ul { margin: 12px 0; padding-left: 1.2em; list-style: disc; }
.prose li { margin: 6px 0; }
.prose a { color: var(--teal-ink); text-decoration: underline; text-underline-offset: 3px; }
.prose table { width: 100%; margin: 14px 0; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); overflow-wrap: break-word; }
.prose th { width: 36%; font-weight: 650; color: var(--ink); background: var(--bg-tint); }
.prose thead th { width: auto; }
.prose .callout { margin: 18px 0; padding: 14px 16px; border-radius: 12px; border-left: 4px solid var(--teal); background: var(--teal-50); }
.not-found { display: grid; place-items: center; min-height: 60vh; text-align: center; padding: 64px 0; }
.not-found h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); margin: 12px 0; }
.not-found p { color: var(--muted); margin-bottom: 28px; }

/* ---------- Apparition au défilement (CSS uniquement, sans dépendance JS) ---------- */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .rv { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
  }
}
@keyframes reveal { from { opacity: 0; translate: 0 28px; } to { opacity: 1; translate: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .needs { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; }
  .dev-card { left: auto; right: 16px; }
  .expertises, .offers { grid-template-columns: 1fr; max-width: 640px; margin-left: auto; margin-right: auto; }
  .synergy { grid-template-columns: 1fr; justify-items: center; }
  .synergy-visual { width: min(360px, 100%); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .booking { grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-layout .section-head { position: static; }
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split-join { height: 56px; }
  .split-join i { top: 14px; bottom: 14px; left: 50%; right: auto; width: 2px; height: auto; margin-left: -1px; }
  .split-join i::before, .split-join i::after { left: 50%; right: auto; margin-left: -7px; margin-top: 0; }
  .split-join i::before { top: -7px; }
  .split-join i::after { top: auto; bottom: -7px; }
  .steps { grid-template-columns: 1fr; gap: 32px; max-width: 640px; margin: 0 auto; }
  .step { padding: 0 0 0 68px; }
  .step::before { top: 54px; bottom: -26px; left: 21px; right: auto; width: 2px; height: auto; background: linear-gradient(180deg, var(--teal), var(--teal-200)); }
}
@media (max-width: 700px) {
  .contact-strip { grid-template-columns: 1fr; }
  .takeaways { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 600px) {
  .benefits, .usecases, .needs, .principles { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .card--row { display: block; }
  .card--row > .card-ic { margin-bottom: 18px; }
  .hero-ctas .btn { width: 100%; }
  .hero-visual { padding-bottom: 0; }
  .dev-card { position: relative; right: auto; left: auto; width: auto; margin: -18px 14px 0; }
  .statement { flex-direction: column; align-items: flex-start; gap: 14px; padding: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
  .eyebrow { gap: 4px 16px; }
  .eyebrow i { display: none; }
  .aside-band .btn { width: 100%; }
  .table-kv, .table-kv tbody, .table-kv tr, .table-kv th, .table-kv td { display: block; width: auto; }
  .table-kv th { padding-bottom: 4px; border-bottom: 0; }
  .table-kv td { padding-top: 4px; }
}
@media (max-width: 400px) {
  .cal-slots { grid-template-columns: repeat(3, 1fr); }
  .env-list li { font-size: 13px; }
  .env-status { padding: 5px 10px; }
}