/* =====================================================
   INOVADATA — Site Vitrine Fusion V7
   Base : ChatGPT V5 + enrichissements INOVADATA
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --ink:        #0a1020;
  --ink-soft:   #344054;
  --muted:      #667085;
  --line:       #e6eaf2;
  --paper:      #ffffff;
  --paper-soft: #f6f8fb;
  --navy:       #243B63;
  --blue:       #3B82F6;
  --blue-dark:  #2563EB;
  --gold:       #ffca5a;
  --teal:       #18b7a0;
  --coral:      #ff6b4a;
  --gold-soft:  #fff4d6;
  --shadow:     0 24px 70px rgba(10,16,32,0.10);
  --shadow-lg:  0 32px 90px rgba(10,16,32,0.16);
  --radius-xl:  30px;
  --radius-lg:  22px;
  --radius-md:  16px;
  --max-width:  1180px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(59,130,246,0.10), transparent 34rem),
    radial-gradient(circle at 88% 18%, rgba(24,183,160,0.10), transparent 24rem),
    radial-gradient(circle at 80% 80%, rgba(255,202,90,0.12), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 46%, #ffffff 100%);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { color: var(--ink-soft); line-height: 1.7; margin: 0; }

.section-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

/* ── NAVIGATION ────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0; z-index: 50;
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(230,234,242,0.85);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(10,16,32,0.08); }

.navbar {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand img { width: 220px; height: auto; }

.nav-links {
  display: flex; align-items: center; gap: 22px;
  font-size: 0.90rem; font-weight: 650; color: #293548;
}
.nav-links a { opacity: 0.85; transition: color var(--transition), opacity var(--transition); }
.nav-links a:hover { color: var(--blue); opacity: 1; }
.nav-cta {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  box-shadow: 0 8px 24px rgba(16,24,40,0.07);
  transition: all var(--transition);
}
.nav-cta:hover { border-color: var(--blue); color: var(--blue) !important; opacity: 1 !important; }
.nav-toggle {
  display: none; border: 0; background: transparent;
  font-size: 1.8rem; cursor: pointer; color: var(--ink);
}

/* ── HERO ──────────────────────────────────────────── */
.hero {
  min-height: 700px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 460px;
  align-items: center;
  gap: 56px;
  padding: 80px 0 70px;
}

.hero-logo-hero {
  margin-bottom: 2rem;
}
.hero-logo-hero img {
  height: 74px;
  width: auto;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .75rem;
  font-weight: 800;
}

.signature-line {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,202,90,.18);
  border: 1px solid rgba(255,202,90,.45);
  color: #7a5200;
  font-weight: 800;
  letter-spacing: -.01em;
}

h1, h2, h3 { margin: 0; letter-spacing: -0.04em; }
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); line-height: .96; max-width: 800px; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3.4rem); line-height: 1.04; }
h3 { font-size: 1.15rem; }

.hero-lead {
  max-width: 640px; font-size: 1.12rem;
  margin: 26px 0 0; color: var(--ink-soft);
}
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font-weight: 750; transition: all var(--transition);
}
.btn-primary {
  color: white; background: var(--navy);
  box-shadow: 0 14px 36px rgba(10,16,32,.20);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--blue); }
.btn-secondary {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.80);
}
.btn-secondary:hover { transform: translateY(-2px); border-color: rgba(40,118,235,.4); color: var(--blue); }

/* Hero card (droite) */
.hero-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  background: rgba(255,255,255,.95);
  border: 1px solid rgba(230,234,242,.95);
  box-shadow: var(--shadow);
}
.hero-logo-card {
  display: grid; place-items: center;
  min-height: 190px;
  border-radius: 20px;
  background: linear-gradient(135deg, #ffffff 0%, #f4f7fd 100%);
  border: 1px solid var(--line);
  padding: 20px;
}
.hero-logo-card img { width: 85%; max-width: 320px; }

.metrics-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-top: 16px;
}
.metrics-grid div {
  padding: 16px 18px; border-radius: 16px;
  background: #f7f9fc; border: 1px solid var(--line);
}
.metrics-grid strong {
  display: block; font-size: 1.7rem;
  letter-spacing: -.06em; color: var(--navy);
}
.metrics-grid span {
  display: block; color: var(--muted);
  font-size: .82rem; line-height: 1.45; margin-top: 4px;
}

/* ── STATEMENT BAR ─────────────────────────────────── */
.statement {
  padding: 22px 0;
  background: var(--navy);
  color: white; overflow: hidden;
}
.statement-inner {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  display: flex; justify-content: space-between;
  gap: 20px; font-weight: 800; letter-spacing: -.02em;
  font-size: clamp(.85rem, 1.6vw, 1.05rem);
}
.statement span:nth-child(2) { color: var(--gold); }
.statement span:nth-child(3) { color: #9ef0df; }

/* ── VISION ────────────────────────────────────────── */
.split-section {
  display: grid;
  grid-template-columns: .85fr 1.3fr;
  gap: 52px; padding: 110px 0;
  align-items: start;
}
.value-flow { display: grid; gap: 14px; }
.value-flow article {
  background: rgba(255,255,255,.90);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 34px rgba(10,16,32,.045);
  display: grid;
  grid-template-columns: 50px 1fr;
  column-gap: 16px;
  transition: all var(--transition);
}
.value-flow article:hover { transform: translateX(4px); border-color: rgba(40,118,235,.3); }
.value-flow span { grid-row: span 2; color: var(--blue); font-weight: 850; font-size: 1.1rem; }
.value-flow p { margin-bottom: 0; }

/* ── SECTION HEADING ───────────────────────────────── */
.section-heading { max-width: 780px; margin-bottom: 38px; }
.section-heading h2 { margin-bottom: 14px; }
.section-heading.light h2,
.section-heading.light p:not(.eyebrow) { color: white; }
.section-heading.light .eyebrow { color: var(--gold); }

/* ── EXPERTISES ────────────────────────────────────── */
.expertise-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 18px; padding-bottom: 110px;
}
.expertise-card {
  background: rgba(255,255,255,.90);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 12px 40px rgba(10,16,32,.045);
  min-height: 300px; position: relative; overflow: hidden;
  transition: all var(--transition);
}
.expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(40,118,235,.25);
}
.expertise-card::after {
  content: ""; position: absolute;
  inset: auto -45px -60px auto;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: rgba(40,118,235,.07);
}
.card-index {
  display: inline-flex; margin-bottom: 30px;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gold-soft); color: #8a5a00;
  font-weight: 850; font-size: .9rem;
}
.expertise-card ul {
  padding-left: 0; list-style: none;
  color: var(--ink-soft); line-height: 1.95;
}
.expertise-card li::before { content: "— "; color: var(--blue); font-weight: 800; }

/* ── MÉTHODOLOGIE ──────────────────────────────────── */
.method-section {
  background: linear-gradient(135deg, #102343 0%, #1d4f8f 54%, #3B82F6 100%);
  padding: 108px 0; color: white;
  position: relative; overflow: hidden;
}
.method-section::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .5;
}
.method-section .section-shell { position: relative; z-index: 1; }
.method-track {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.method-track article {
  min-height: 240px; padding: 26px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.method-track article:hover {
  background: rgba(255,255,255,.13);
  border-color: rgba(255,202,90,.3);
  transform: translateY(-4px);
}
.method-track span { color: var(--gold); font-weight: 850; font-size: 1.1rem; }
.method-track h3 {
  margin-top: 44px; color: white;
  text-transform: uppercase; letter-spacing: .05em;
}
.method-track p { color: rgba(255,255,255,.78); margin-bottom: 0; }

/* ── MODÈLE OPÉRATIONNEL ───────────────────────────── */
.operating-model { padding: 110px 0; }
.model-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.model-grid article {
  background: rgba(255,255,255,.90);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 12px 40px rgba(10,16,32,.045);
  border-top: 4px solid var(--blue);
  transition: all var(--transition);
}
.model-grid article:nth-child(2) { border-top-color: var(--teal); }
.model-grid article:nth-child(3) { border-top-color: var(--gold); }
.model-grid article:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

/* ── ALTWY ─────────────────────────────────────────── */
.partenaires-section { padding-bottom: 110px; }
.partenaires-panel {
  display: grid; grid-template-columns: 1.2fr .8fr;
  gap: 36px; align-items: center;
  padding: 46px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--navy) 0%, #2f66b3 72%, var(--teal) 130%);
  color: white; box-shadow: var(--shadow-lg);
}
.partenaires-panel h2, .partenaires-panel p { color: white; }
.partenaires-panel .eyebrow { color: var(--gold); }
.architecture-badges {
  display: flex; flex-wrap: wrap; gap: 14px;
  justify-content: flex-end;
}
.architecture-badges span {
  min-width: 96px; padding: 16px 18px;
  border-radius: 999px; text-align: center;
  background: rgba(255,255,255,.11);
  border: 1px solid rgba(255,255,255,.22);
  font-weight: 850;
  transition: all var(--transition);
}
.architecture-badges span:hover {
  background: rgba(255,202,90,.15);
  border-color: rgba(255,202,90,.4);
}
.benefits-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 18px;
}
.benefits-grid article {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 12px 40px rgba(10,16,32,.045);
  border-top: 3px solid var(--gold);
  transition: all var(--transition);
}
.benefits-grid article:nth-child(2) { border-top-color: var(--teal); }
.benefits-grid article:nth-child(3) { border-top-color: var(--blue); }
.benefits-grid article:nth-child(4) { border-top-color: var(--coral); }
.benefits-grid article:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

/* ── ATOUTS / POURQUOI NOUS ────────────────────────── */
.atouts-section { padding: 0 0 110px; background: var(--paper-soft); }
.atouts-section .section-shell { padding-top: 110px; }
.atouts-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
}
.atout-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 8px 28px rgba(10,16,32,.045);
  transition: all var(--transition);
}
.atout-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
  box-shadow: var(--shadow);
}
.atout-num {
  font-size: 2rem; font-weight: 900;
  color: var(--blue); line-height: 1;
  margin-bottom: 12px;
}
.atout-card h3 { font-size: .92rem; margin-bottom: 10px; }
.atout-card p { font-size: .80rem; line-height: 1.6; }

/* ── ACTUALITÉS ────────────────────────────────────── */
.news-section { padding-bottom: 110px; }
.news-carousel {
  display: grid;
  grid-template-columns: 52px 1fr 52px;
  align-items: stretch; gap: 14px;
}
.carousel-button {
  border: 1px solid var(--line); background: white;
  border-radius: 18px; font-size: 2rem; cursor: pointer;
  color: var(--ink); box-shadow: 0 8px 28px rgba(10,16,32,.06);
  transition: all var(--transition);
}
.carousel-button:hover {
  background: var(--blue); color: white; border-color: var(--blue);
}
.news-card {
  min-height: 240px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: white; box-shadow: var(--shadow);
  padding: 38px; display: flex;
  flex-direction: column; justify-content: center;
  transition: box-shadow var(--transition);
}
.news-meta {
  display: flex; gap: 10px; align-items: center;
  color: var(--blue); font-size: .80rem;
  font-weight: 850; text-transform: uppercase; letter-spacing: .08em;
}
.news-card h3 {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  margin-top: 16px; margin-bottom: 12px;
}
.news-card p { color: var(--ink-soft); }
.news-link { margin-top: 20px; color: var(--blue); font-weight: 800; display: inline-block; }
.news-link:hover { text-decoration: underline; }
.news-dots {
  display: flex; justify-content: center; gap: 8px; margin-top: 18px;
}
.news-dots button {
  width: 9px; height: 9px; padding: 0;
  border-radius: 50%; border: 0;
  background: #cbd5e1; cursor: pointer;
  transition: all var(--transition);
}
.news-dots button.active {
  background: var(--blue); width: 28px; border-radius: 999px;
}

/* ── CONTACT ───────────────────────────────────────── */
.contact-section { padding: 108px 0; background: #f2f5f9; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 420px;
  gap: 46px; align-items: center;
}
.contact-card {
  padding: 36px; border-radius: var(--radius-xl);
  background: white; border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.contact-mail {
  display: block; font-size: 1.3rem;
  font-weight: 850; color: var(--blue); margin-bottom: 16px;
}
.contact-card p { margin-bottom: 20px; color: var(--muted); }

/* ── FOOTER ────────────────────────────────────────── */
.site-footer {
  background: linear-gradient(135deg, #17243c 0%, #243B63 100%); color: white; padding: 32px 0;
}
.footer-inner {
  display: flex; justify-content: space-between;
  gap: 20px; align-items: center;
}
.footer-logo { height: 44px; width: auto; }
.footer-inner p, .footer-inner a {
  color: rgba(255,255,255,.65); margin: 0; font-size: .85rem;
}
.footer-inner a:hover { color: var(--gold); }

/* ── ANIMATIONS ────────────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 1024px) {
  .atouts-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 88px; left: 0; right: 0;
    display: none; flex-direction: column; align-items: flex-start;
    padding: 24px; background: white; border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 28px rgba(10,16,32,.08);
  }
  .nav-links.open { display: flex; }
  .hero, .split-section, .partenaires-panel, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; min-height: auto; }
  .expertise-grid, .method-track, .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .atouts-grid { grid-template-columns: repeat(2, 1fr); }
  .statement-inner { flex-direction: column; gap: 10px; }
}

@media (max-width: 640px) {
  .section-shell, .navbar, .statement-inner {
    width: min(100% - 24px, var(--max-width));
  }
  .brand img { width: 180px; }
  h1 { font-size: 2.6rem; }
  .hero-card, .altwy-panel, .news-card, .contact-card { padding: 22px; }
  .metrics-grid, .expertise-grid, .method-track,
  .model-grid, .benefits-grid, .atouts-grid { grid-template-columns: 1fr; }
  .news-carousel { grid-template-columns: 1fr; }
  .carousel-button { min-height: 46px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
}

/* =====================================================
   V3 — Relief visuel premium : moins de blanc, plus de rythme
   ===================================================== */
:root {
  --blue-soft:  #EEF5FF;
  --mist:       #F3F6FA;
  --ivory:      #FBF7EE;
  --slate-soft: #EDF2F6;
  --sage-soft:  #EAF4F1;
  --clay-soft:  #F8EFEA;
}

body {
  background:
    radial-gradient(circle at 8% 5%, rgba(59,130,246,0.14), transparent 30rem),
    radial-gradient(circle at 90% 18%, rgba(255,202,90,0.12), transparent 22rem),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 42%, #ffffff 100%);
}

.hero {
  position: relative;
  isolation: isolate;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}
.hero::before {
  width: 520px;
  height: 520px;
  right: -170px;
  top: 44px;
  border-radius: 42% 58% 48% 52%;
  background:
    radial-gradient(circle at 35% 30%, rgba(59,130,246,.18), transparent 46%),
    radial-gradient(circle at 68% 70%, rgba(255,202,90,.18), transparent 42%);
  filter: blur(2px);
  opacity: .9;
}
.hero::after {
  width: 360px;
  height: 360px;
  left: -140px;
  bottom: 28px;
  background:
    linear-gradient(135deg, transparent 44%, rgba(59,130,246,.10) 45%, rgba(59,130,246,.10) 46%, transparent 47%),
    linear-gradient(45deg, transparent 46%, rgba(255,202,90,.12) 47%, rgba(255,202,90,.12) 48%, transparent 49%);
  transform: rotate(-8deg);
  opacity: .7;
}

.signature-line { display: none; }

.hero-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.96));
  border-top: 5px solid var(--gold);
}
.hero-logo-card {
  background:
    radial-gradient(circle at 16% 20%, rgba(255,202,90,.16), transparent 36%),
    radial-gradient(circle at 86% 15%, rgba(59,130,246,.14), transparent 36%),
    linear-gradient(135deg, #ffffff 0%, #f1f6fd 100%);
}
.metrics-grid div {
  border-top: 3px solid rgba(59,130,246,.45);
}
.metrics-grid div:nth-child(2) { border-top-color: rgba(255,202,90,.72); }
.metrics-grid div:nth-child(3) { border-top-color: rgba(36,59,99,.50); }
.metrics-grid div:nth-child(4) { border-top-color: rgba(59,130,246,.26); }

.statement {
  background: linear-gradient(135deg, #1b2f52 0%, #2f5f9f 62%, #3B82F6 130%);
  border-block: 1px solid rgba(255,255,255,.12);
}
.statement-inner span { position: relative; }
.statement-inner span::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(255,202,90,.12);
}

.section-glacier,
.section-mist,
.section-slate,
.section-softline {
  position: relative;
  clip-path: inset(0 -100vmax);
}
.section-glacier {
  background: var(--blue-soft);
  box-shadow: 0 0 0 100vmax var(--blue-soft);
}
.expertises-section {
  padding-top: 110px;
}
.section-mist {
  background: var(--mist);
  box-shadow: 0 0 0 100vmax var(--mist);
}
.section-slate {
  background:
    radial-gradient(circle at 8% 0%, rgba(255,202,90,.10), transparent 24rem),
    var(--slate-soft);
  box-shadow: 0 0 0 100vmax var(--slate-soft);
  padding-top: 110px;
}
.section-softline {
  background: linear-gradient(180deg, #ffffff 0%, #f5f8fc 100%);
  box-shadow: 0 0 0 100vmax #f8fafc;
  padding-top: 110px;
}
.section-ivory {
  background:
    radial-gradient(circle at 80% 10%, rgba(255,202,90,.16), transparent 28rem),
    var(--ivory);
}

.value-flow article,
.expertise-card,
.model-grid article,
.benefits-grid article,
.atout-card,
.news-card,
.contact-card {
  border-top-width: 4px;
  border-top-style: solid;
}
.value-flow article:nth-child(1),
.expertise-card:nth-child(1),
.model-grid article:nth-child(1),
.atout-card:nth-child(1) { border-top-color: var(--blue); }
.value-flow article:nth-child(2),
.expertise-card:nth-child(2),
.model-grid article:nth-child(2),
.atout-card:nth-child(2) { border-top-color: #7FA6D8; }
.value-flow article:nth-child(3),
.expertise-card:nth-child(3),
.model-grid article:nth-child(3),
.atout-card:nth-child(3) { border-top-color: var(--navy); }
.value-flow article:nth-child(4),
.expertise-card:nth-child(4),
.atout-card:nth-child(4) { border-top-color: var(--gold); }
.atout-card:nth-child(5) { border-top-color: #9DB3C9; }

.expertise-card,
.value-flow article,
.model-grid article,
.benefits-grid article,
.atout-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.90));
}

.expertise-card::before,
.atout-card::before,
.model-grid article::before,
.benefits-grid article::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 34px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(180deg, rgba(59,130,246,.06), transparent);
  pointer-events: none;
}
.expertise-card,
.atout-card,
.model-grid article,
.benefits-grid article { position: relative; overflow: hidden; }

.method-track article {
  border-top: 4px solid rgba(255,202,90,.65);
}
.method-track article:nth-child(2) { border-top-color: rgba(255,255,255,.46); }
.method-track article:nth-child(3) { border-top-color: rgba(126,166,216,.82); }
.method-track article:nth-child(4) { border-top-color: rgba(255,202,90,.65); }

.partenaires-panel {
  background:
    radial-gradient(circle at 8% 8%, rgba(255,202,90,.18), transparent 18rem),
    linear-gradient(135deg, #172747 0%, #2e5d9d 70%, #3B82F6 125%);
}
.news-card { border-top-color: var(--gold); }
.contact-section {
  background:
    radial-gradient(circle at 10% 0%, rgba(59,130,246,.12), transparent 26rem),
    linear-gradient(180deg, #eef5ff 0%, #f8fbff 100%);
}
.contact-card { border-top-color: var(--blue); }

@media (max-width: 980px) {
  .expertises-section, .section-slate, .section-softline { padding-top: 76px; }
}


/* =====================================================
   V3.1 — Renforcement premium ciblé
   Objectif : moins de blanc, plus de rythme, sans effet flashy
   ===================================================== */
:root {
  --expertise-bg: #E8F1F8;
  --expertise-bg-2: #F2F7FB;
  --ivory-strong: #FAF4E8;
  --blue-muted: #6F9FD6;
  --blue-deep: #243B63;
  --gold-muted: #F2BE4D;
}

/* Hero : géométrie plus présente, toujours discrète */
.hero::before {
  width: 620px;
  height: 620px;
  right: -210px;
  top: 12px;
  background:
    radial-gradient(circle at 34% 30%, rgba(59,130,246,.22), transparent 44%),
    radial-gradient(circle at 68% 68%, rgba(255,202,90,.20), transparent 42%),
    linear-gradient(135deg, rgba(232,241,248,.75), rgba(255,255,255,0));
  opacity: 1;
}
.hero::after {
  width: 440px;
  height: 440px;
  left: -165px;
  bottom: 8px;
  background:
    linear-gradient(135deg, transparent 43%, rgba(36,59,99,.10) 44%, rgba(36,59,99,.10) 45%, transparent 46%),
    linear-gradient(45deg, transparent 45%, rgba(59,130,246,.12) 46%, rgba(59,130,246,.12) 47%, transparent 48%),
    linear-gradient(105deg, transparent 48%, rgba(255,202,90,.14) 49%, rgba(255,202,90,.14) 50%, transparent 51%);
  opacity: .85;
}
.hero-content h1::before,
.hero-content h1::after {
  color: var(--gold);
}

/* Section Expertises : vraie section stratégique */
.expertises-section {
  position: relative;
  clip-path: inset(0 -100vmax);
  background:
    radial-gradient(circle at 12% 0%, rgba(255,202,90,.14), transparent 23rem),
    radial-gradient(circle at 92% 18%, rgba(59,130,246,.18), transparent 26rem),
    linear-gradient(180deg, var(--expertise-bg) 0%, var(--expertise-bg-2) 100%);
  box-shadow: 0 0 0 100vmax var(--expertise-bg);
  padding-top: 124px;
  padding-bottom: 124px;
}
.expertises-section .section-heading {
  max-width: 860px;
  margin-bottom: 46px;
}
.expertises-section .section-heading h2 {
  color: #102343;
}
.expertises-section .expertise-grid {
  padding-bottom: 0;
  gap: 22px;
}
.expertise-card {
  min-height: 318px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(248,251,255,.94) 100%);
  box-shadow: 0 18px 54px rgba(36,59,99,.10);
  border-color: rgba(159,179,201,.55);
}
.expertise-card:nth-child(1) { border-top-color: var(--blue); }
.expertise-card:nth-child(2) { border-top-color: var(--blue-muted); }
.expertise-card:nth-child(3) { border-top-color: var(--blue-deep); }
.expertise-card:nth-child(4) { border-top-color: var(--gold-muted); }
.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 74px rgba(36,59,99,.16);
}
.expertise-card .card-index {
  background: linear-gradient(135deg, #fff4d6, #ffffff);
  border: 1px solid rgba(255,202,90,.55);
  box-shadow: 0 8px 22px rgba(255,202,90,.18);
}

/* Modèle / bénéfices : supprimer l'effet arc-en-ciel, rester charte */
.model-grid article:nth-child(2),
.benefits-grid article:nth-child(2) { border-top-color: var(--blue-muted); }
.model-grid article:nth-child(3),
.benefits-grid article:nth-child(3) { border-top-color: var(--gold-muted); }
.benefits-grid article:nth-child(4) { border-top-color: var(--blue-deep); }
.statement span:nth-child(3) { color: rgba(255,255,255,.82); }
.partenaires-panel {
  background:
    radial-gradient(circle at 8% 8%, rgba(255,202,90,.20), transparent 18rem),
    linear-gradient(135deg, #172747 0%, #2d5b98 74%, #3B82F6 128%);
}

/* 5 différenciateurs : plus punchy, sans flashy */
.section-ivory {
  background:
    radial-gradient(circle at 78% 4%, rgba(255,202,90,.24), transparent 30rem),
    radial-gradient(circle at 8% 26%, rgba(59,130,246,.08), transparent 24rem),
    linear-gradient(180deg, var(--ivory-strong) 0%, #FFF9EF 100%);
}
.atouts-section .section-shell {
  padding-top: 124px;
}
.atouts-section {
  padding-bottom: 124px;
}
.atouts-section .section-heading {
  max-width: 840px;
  margin-bottom: 46px;
}
.atouts-grid {
  gap: 18px;
}
.atout-card {
  padding: 28px 20px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.99), rgba(255,252,246,.96));
  box-shadow: 0 16px 46px rgba(36,59,99,.09);
  border-color: rgba(230,213,177,.70);
}
.atout-card:nth-child(1) { border-top-color: var(--blue); }
.atout-card:nth-child(2) { border-top-color: var(--blue-muted); }
.atout-card:nth-child(3) { border-top-color: var(--blue-deep); }
.atout-card:nth-child(4) { border-top-color: var(--gold-muted); }
.atout-card:nth-child(5) { border-top-color: #9DB3C9; }
.atout-num {
  width: 58px;
  height: 58px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-size: 1.28rem;
  color: #102343;
  background:
    radial-gradient(circle at 35% 25%, rgba(255,255,255,.98), rgba(255,244,214,.78));
  border: 1px solid rgba(255,202,90,.64);
  box-shadow: 0 12px 30px rgba(255,202,90,.24);
}
.atout-card h3 {
  font-size: .98rem;
}
.atout-card p {
  font-size: .83rem;
}
.atout-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 72px rgba(36,59,99,.15);
}

/* Actualités / Contact : meilleure continuité de rythme */
.news-card { border-top-color: var(--gold-muted); }
.contact-card { border-top-color: var(--blue); }
.contact-section {
  background:
    radial-gradient(circle at 12% 0%, rgba(59,130,246,.14), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(255,202,90,.12), transparent 24rem),
    linear-gradient(180deg, #EAF3FF 0%, #F8FBFF 100%);
}

@media (max-width: 980px) {
  .expertises-section,
  .atouts-section .section-shell { padding-top: 88px; }
  .expertises-section,
  .atouts-section { padding-bottom: 88px; }
}


/* =====================================================
   V3.2 — ALTWY en vert premium maîtrisé
   Objectif : renforcer le territoire efficacité / datacenter durable
   sans casser la cohérence INOVADATA.
   ===================================================== */
:root {
  --altwy-green:       #2F7D63;
  --altwy-green-deep:  #1F5F4A;
  --altwy-green-soft:  #E8F4EF;
  --altwy-mint:        #72C9A7;
}

.section-slate {
  background:
    radial-gradient(circle at 8% 0%, rgba(255,202,90,.10), transparent 24rem),
    radial-gradient(circle at 92% 12%, rgba(47,125,99,.16), transparent 28rem),
    #EAF2EF;
  box-shadow: 0 0 0 100vmax #EAF2EF;
}

.partenaires-panel {
  background:
    radial-gradient(circle at 10% 8%, rgba(255,202,90,.16), transparent 18rem),
    radial-gradient(circle at 86% 20%, rgba(114,201,167,.22), transparent 22rem),
    linear-gradient(135deg, #172747 0%, #235B63 50%, var(--altwy-green) 100%);
  border: 1px solid rgba(255,255,255,.16);
}

.partenaires-panel .eyebrow {
  color: #BDEBD6;
}

.architecture-badges span {
  background: rgba(255,255,255,.12);
  border-color: rgba(189,235,214,.36);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}

.architecture-badges span:hover {
  background: rgba(114,201,167,.20);
  border-color: rgba(189,235,214,.60);
}

.benefits-grid article {
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(250,253,252,.92));
  border-top-color: var(--altwy-green);
}
.benefits-grid article:nth-child(2) { border-top-color: var(--altwy-mint); }
.benefits-grid article:nth-child(3) { border-top-color: var(--blue); }
.benefits-grid article:nth-child(4) { border-top-color: var(--gold); }

.benefits-grid article::before {
  background: linear-gradient(180deg, rgba(47,125,99,.075), transparent);
}