body {
  padding-top: 0;
  font-family: 'Inter', 'Segoe UI', sans-serif;
}

body[data-theme='dark'] {
  background: linear-gradient(180deg, #05080f 0%, #070a12 100%);
  color: #f5f7fb;
}

@media (min-width: 781px) {
  .page-shell {
    margin-top: 1.5rem;
    padding: 7.5rem 0 4rem;
  }
}

@media (max-width: 780px) {
  .page-shell {
    margin-top: 14rem;
  }
}

.strategy-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 2.5rem;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 28%),
    linear-gradient(160deg, rgba(255,255,255,0.97), rgba(236,243,255,0.95));
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.12);
  padding: 2rem;
}

.strategy-card::before {
  content: '';
  position: absolute;
  top: -2rem;
  right: -2rem;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.22), transparent 70%);
  pointer-events: none;
}

.strategy-card::after {
  content: '';
  position: absolute;
  bottom: -1.8rem;
  left: -3rem;
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14), transparent 72%);
  pointer-events: none;
}

body[data-theme='dark'] .strategy-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 28%),
    linear-gradient(160deg, rgba(10,15,24,0.95), rgba(18,25,40,0.96));
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}

body[data-theme='dark'] .strategy-card h1,
body[data-theme='dark'] .strategy-card .intro,
body[data-theme='dark'] .strategy-card .eyebrow {
  color: #f8fbff;
}

body[data-theme='dark'] .info-card {
  background: linear-gradient(135deg, rgba(12, 20, 34, 0.92), rgba(20, 30, 44, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
}

body[data-theme='dark'] .info-card::after {
  border: 1px solid rgba(255,255,255,0.06);
}

body[data-theme='dark'] .info-card p,
body[data-theme='dark'] .info-card ul {
  color: #cfd8e5;
}

body[data-theme='dark'] .info-card h3 {
  color: #f8fbff;
}

body[data-theme='dark'] .feature {
  background: rgba(10, 16, 28, 0.90);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
}

body[data-theme='dark'] .feature::before {
  background: rgba(255,255,255,0.12);
}

body[data-theme='dark'] .feature-bullet {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.98), rgba(37, 99, 235, 0.95));
  color: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,0.24);
}

body[data-theme='dark'] .feature strong {
  color: #f8fbff;
}

body[data-theme='dark'] .feature .muted {
  color: #98abc8;
}

body[data-theme='dark'] .timeline-step {
  background: rgba(12, 16, 28, 0.96);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.32);
}

body[data-theme='dark'] .timeline-step::before {
  background: rgba(255,255,255,0.12);
}

body[data-theme='dark'] .timeline-step h4 {
  color: #8dc5ff;
}

body[data-theme='dark'] .timeline-step p {
  color: #cbd4e3;
}

body[data-theme='dark'] .step-num {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.97), rgba(37, 99, 235, 0.95));
  box-shadow: 0 10px 22px rgba(0,0,0,0.25);
}

body[data-theme='dark'] .promise-panel {
  background: rgba(10, 16, 28, 0.96);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.30);
}

body[data-theme='dark'] .promise-hero {
  color: #f7fbff;
}

body[data-theme='dark'] .promise-panel p {
  color: #cbd4e3;
}

.strategy-card::before {
  content: '';
  position: absolute;
  inset: auto -2rem -2.2rem auto;
  width: 14rem;
  height: 14rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2), transparent 70%);
  pointer-events: none;
}

.strategy-card .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 2rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
}

.strategy-card h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
  font-weight: 800;
  width: 100%;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: break-word;
}

.strategy-card .intro {
  position: relative;
  z-index: 1;
  margin: 0 0 1.4rem;
  color: var(--muted);
  line-height: 1.8;
  font-size: 0.9rem;
  max-width: 860px;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  margin-top: 1.75rem;
}

.section-heading-accent {
  margin-top: 3rem;
  font-size: 1.25rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.section-heading-accent.section-heading-accent--erp {
  font-size: 1.5rem;
}

.section-heading-accent + p {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.95;
  max-width: 76rem;
  color: var(--muted);
}

.section-grid--erp-compact,
.section-grid--erp-domain-grid,
.section-grid--erp-panels {
  margin-top: 3rem;
}

.section-grid--erp-domain-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3.5rem;
}

.section-grid--erp-panels {
  margin-top: 5rem;
}

.strategy-card > * + * {
  margin-top: 1.75rem;
}

.domain-tree,
.feature-list,
.timeline {
  margin-top: 1.75rem;
}

.link-center {
  margin-top: 3.5rem;
}

.info-card {
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(248,251,255,0.98));
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 1.3rem;
  padding: 1.8rem;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 100%;
}

.info-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.85rem;
}

.info-card p,
.info-card ul {
  font-size: 1rem;
  line-height: 1.85;
}

.section-grid--erp-domain-grid .info-card {
  padding: 2rem;
}

body[data-theme='dark'] .info-card {
  background: linear-gradient(135deg, rgba(12, 18, 34, 0.92), rgba(20, 30, 44, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
}

.info-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,0.7);
  pointer-events: none;
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.08);
}

.info-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
  color: var(--text);
  font-weight: 800;
}

.section-heading-accent {
  color: var(--primary) !important;
  display: inline-block;
  position: relative;
  padding-bottom: 0.2rem;
  font-size: 1.18rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.section-heading-accent::after {
  content: '';
  display: block;
  width: 100%;
  height: 0.22rem;
  margin-top: 0.35rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.18);
}

.info-card .card-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 0.7rem;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.info-card p,
.info-card ul {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 0.95rem;
}

.info-card ul {
  padding-left: 1rem;
  margin-top: 0.45rem;
}

.info-card li + li {
  margin-top: 0.32rem;
}

@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 2560px) {
  body.page-synthese-erp .brand-mark {
    width: 5.4rem;
    padding: 0.15rem;
  }

  body.page-synthese-erp .brand-text {
    font-size: 1.6rem;
    font-weight: 800;
  }

  .page-shell {
    padding: 10rem 0 7rem;
  }

  .strategy-card {
    padding: 5rem;
    border-radius: 3rem;
  }

  .strategy-card::before {
    width: 24rem;
    height: 24rem;
    top: -3.3rem;
    right: -3.3rem;
  }

  .strategy-card::after {
    width: 18rem;
    height: 18rem;
    bottom: -3rem;
    left: -4rem;
  }

  .strategy-card .eyebrow {
    font-size: 1rem;
    padding: 0.95rem 1.3rem;
    margin-bottom: 3rem;
  }

  .strategy-card h1 {
    font-size: 2rem;
  }

  .strategy-card .intro {
    font-size: 1.3rem;
    max-width: 860px;
    margin-bottom: 2.8rem;
  }

  .section-grid {
    gap: 4.5rem;
  }

  .section-grid > article:nth-child(3) {
    width: min(52rem, 100%);
  }

  .section-grid--erp-compact {
    gap: 2.5rem;
    margin-top: 4rem;
  }

  .section-grid--erp-domain-grid {
    gap: 2.5rem;
    margin-top: 4.5rem;
  }

  .section-grid--erp-panels {
    gap: 2.75rem;
    margin-top: 4rem;
  }

  .info-card {
    padding: 3rem;
  }

  .info-card h3 {
    font-size: 1.7rem;
  }

  .info-card p,
  .info-card ul {
    font-size: 1.25rem;
  }

  .container {
    width: min(2300px, calc(100% - 6rem));
  }

  .section-grid {
    gap: 5rem;
  }

  .section-grid--erp-compact,
  .section-grid--erp-domain-grid,
  .section-grid--erp-panels {
    margin-top: 5rem;
  }

  .link-center {
    margin-top: 5.5rem;
  }
}

.feature-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
  position: relative;
  padding-left: 1rem;
}

.feature-list::before {
  content: '';
  position: absolute;
  left: 0.45rem;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(37,99,235,0.24), rgba(37,99,235,0.05));
}

.feature {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.7rem 0.8rem;
  border-radius: 0.95rem;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.03);
}

.feature::before {
  content: '';
  position: absolute;
  left: -0.56rem;
  top: 1.1rem;
  width: 0.7rem;
  height: 1px;
  background: rgba(37,99,235,0.24);
}

.feature-bullet {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 0.7rem;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.92rem;
  background: rgba(37, 99, 235, 0.08);
}

.feature strong { display:block; color:var(--text); font-size: 0.98rem; }
.feature .muted { color:var(--muted); font-size:0.95rem; margin-top:0.15rem; line-height:1.5; }

.three-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-top: 0.9rem; }
.step { display:flex; gap:0.9rem; align-items:flex-start; }
.step-num { width:2.4rem; height:2.4rem; border-radius:50%; display:grid; place-items:center; background: linear-gradient(135deg, var(--primary), var(--accent)); color:white; font-weight:800; }
.step .small { color:var(--muted); font-size:0.95rem; margin-top:0.18rem; }

@media (max-width:700px) {
  .three-steps { grid-template-columns: 1fr; }
  .step { align-items: center; }
}

.promise-panel {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.03);
  padding: 1.15rem 1.15rem 1.05rem;
  border-radius: 1.1rem;
}

.promise-hero {
  font-weight: 700;
  margin-bottom: 0.9rem;
  line-height: 1.8;
  font-size: 1rem;
  color: var(--text);
  margin-top:1.15rem;
  margin-bottom:1.25rem;
}

.timeline { display: grid; gap: 0.7rem; margin-top: 0.75rem; margin-bottom: 3rem;}
.timeline-step {
  position: relative;
  display:flex;
  gap:0.85rem;
  align-items:flex-end;
  padding:0.9rem 0.95rem 1rem 0rem;
  border-radius:1rem;
  background: rgba(255,255,255,0.97);
  border:1px solid rgba(37,99,235,0.08);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
  margin-top: 0.9rem;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: 1.28rem;
  top: 2.7rem;
  width: 2px;
  height: calc(100% + 0.45rem);
  background: linear-gradient(180deg, rgba(37,99,235,0.16), transparent);
}

.timeline-step:last-child::before {
  display: none;
}

.timeline-step h4 {
  margin:0;
  font-size:1rem;
  color: var(--primary);
  font-weight:800;
}

.timeline-step p {
  margin:0.18rem 0 0;
  color:var(--muted);
  font-size:0.95rem;
  line-height:1.6;
}

.step-num {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border-radius: 50%;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color:white;
  font-weight:800;
  box-shadow: 0 10px 18px rgba(37,99,235,0.16);
}

.retourner {
  display: flex;
  width:100%;
  place-items:center;
}

@media (max-width:700px) {
  .promise-panel { padding: 0.9rem; }
}
.section-grid--erp-compact {
  margin-top: 1rem;
}

.section-heading-accent--erp {
  margin-top: 2.25rem;
}

.section-grid--erp-domain-grid {
  margin-top: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-grid--erp-panels {
  margin-top: 5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.section-heading-accent--erp-implementation {
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

.panel-intro {
  margin-bottom: 2.25rem;
}

.panel-footer {
  margin-top: 0.85rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}

.panel-footer .muted {
  margin: 0;
}

@media (max-width: 900px) {
  .page-shell {
    padding: 4rem 1.2rem 4rem;
    margin-top: 7rem;
  }

  .strategy-card {
    padding: 2.3rem 1.6rem;
    border-radius: 2rem;
  }

  .strategy-card h1 {
    font-size: clamp(1.75rem, 5vw, 2.1rem);
    line-height: 1.12;
  }

  .strategy-card .intro {
    font-size: 1.02rem;
    line-height: 1.95;
    margin-bottom: 2rem;
    max-width: 100%;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2.8rem;
  }

  .section-grid--erp-domain-grid,
  .section-grid--erp-panels,
  .section-grid--erp-compact {
    grid-template-columns: 1fr;
    gap: 1.8rem;
    margin-top: 2.75rem;
  }

  .section-heading-accent {
    font-size: 1.4rem;
    line-height: 1.3;
  }

  .section-heading-accent + p {
    font-size: 1.02rem;
    line-height: 1.95;
    max-width: 100%;
    margin-top: 1rem;
  }

  .info-card {
    padding: 1.75rem;
    border-radius: 1.8rem;
  }

  .info-card h3 {
    font-size: 1.18rem;
  }

  .info-card p,
  .info-card ul {
    font-size: 1rem;
    line-height: 1.9;
  }

  .promise-panel {
    padding: 1.3rem 1.25rem;
  }

  .promise-hero {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-top: 1rem;
    margin-bottom: 1.35rem;
  }

  .panel-intro {
    font-size: 1rem;
    margin-bottom: 1.8rem;
  }

  .feature-list {
    gap: 1rem;
    padding-left: 1rem;
    margin-top: 1.1rem;
  }

  .feature strong {
    font-size: 1rem;
  }

  .feature .muted {
    font-size: 0.97rem;
  }

  .timeline {
    gap: 1rem;
    margin-top: 1rem;
    margin-bottom: 2rem;
  }

  .timeline-step {
    padding: 1rem 0.9rem 1rem 0rem;
  }

  .timeline-step::before {
    left: 1rem;
    top: 2.8rem;
  }

  .timeline-step h4 {
    font-size: 1.02rem;
  }

  .timeline-step p {
    font-size: 0.98rem;
  }

  .step-num {
    width: 2.6rem;
    height: 2.6rem;
  }

  .link-center {
    margin-top: 4rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}