:root {
  --bg: #f7f3ed;
  --paper: #fffdf8;
  --ink: #151412;
  --muted: #6f665f;
  --line: rgba(40, 34, 29, 0.14);
  --accent: #7a4f2c;
  --accent-dark: #4c2e18;
  --dark: #0c0c0b;
  --dark-soft: #161513;
  --white: #fffaf3;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.site-header {
  min-height: 92px;
  padding: 24px clamp(22px, 4vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.94);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand-name,
.footer-brand {
  font-family: var(--serif);
  text-transform: uppercase;
  letter-spacing: 0.17em;
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  font-weight: 600;
  text-decoration: none;
}

.brand p,
.site-footer p {
  margin: 5px 0 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
}

.top-nav a {
  color: var(--accent-dark);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-weight: 800;
  font-size: 0.76rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.25fr);
  min-height: 620px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  padding: clamp(48px, 7vw, 92px) clamp(28px, 5vw, 90px);
  align-self: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.76rem;
  font-weight: 800;
}

h1, h2 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0;
}

h1 {
  font-size: clamp(4.4rem, 8vw, 8.2rem);
  max-width: 770px;
}

.hero-subtitle {
  margin: 28px 0 0;
  color: var(--accent);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.2vw, 2.25rem);
  line-height: 1.1;
  max-width: 630px;
}

.hero-text {
  max-width: 540px;
  margin: 28px 0 0;
  font-weight: 500;
}

.hero-actions,
.final-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 0 28px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 800;
  transition: transform 150ms ease, background 150ms ease, color 150ms ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent;
  min-width: 220px;
}

.btn-secondary {
  color: var(--accent-dark);
  background: transparent;
  min-width: 180px;
}

.hero-image {
  min-height: 620px;
  background-image: linear-gradient(90deg, var(--paper) 0%, rgba(255, 253, 248, 0.58) 14%, rgba(255, 253, 248, 0) 34%), url("images/chaise.jpg");
  background-size: cover;
  background-position: center right;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: clamp(46px, 6vw, 72px) 0;
  border-bottom: 1px solid var(--line);
}

.section h2,
.final-cta h2 {
  text-align: center;
  font-size: clamp(2.1rem, 4vw, 3.8rem);
  line-height: 1;
  margin-bottom: clamp(36px, 4vw, 54px);
}

.icon-grid,
.takeaway-grid {
  display: grid;
  gap: 0;
}

.icon-grid.seven { grid-template-columns: repeat(7, 1fr); }
.icon-grid.four { grid-template-columns: repeat(4, 1fr); }
.takeaway-grid.three { grid-template-columns: repeat(3, 1fr); }

.icon-grid article,
.takeaway-grid article {
  padding: 10px clamp(12px, 2vw, 26px);
  text-align: center;
  min-height: 110px;
}

.icon-grid article + article,
.takeaway-grid article + article { border-left: 1px solid var(--line); }

.icon,
.check,
.info-item > span {
  color: var(--accent);
  font-family: var(--serif);
  font-size: 2.75rem;
  line-height: 1;
  display: block;
  margin: 0 auto 18px;
}

.check {
  width: 25px;
  height: 25px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.9rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-right: 12px;
  margin-bottom: 0;
  vertical-align: top;
}

.icon-grid h3,
.info-item h3 {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.78rem;
  line-height: 1.45;
  font-weight: 900;
}

.icon-grid p,
.takeaway-grid p,
.info-item p {
  margin: 0;
  font-weight: 500;
}

.takeaway-grid article {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  min-height: 78px;
}

.tools { background: var(--paper); }
.takeaways { background: linear-gradient(90deg, #f5efe6, var(--paper), #f5efe6); }
.audience { background: var(--paper); }

.center-note {
  margin: 34px auto 0;
  text-align: center;
  max-width: 760px;
  font-weight: 500;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 410px;
  background: var(--dark);
  color: var(--white);
}

.about-image {
  min-height: 410px;
  background-image: linear-gradient(90deg, rgba(12, 12, 11, 0.2), rgba(12, 12, 11, 0.05), rgba(12, 12, 11, 0.88)), url("images/lysandre.jpg");
  background-size: cover;
  background-position: center 38%;
}

.about-copy {
  padding: clamp(42px, 6vw, 76px) clamp(28px, 7vw, 92px);
  align-self: center;
}

.about-copy h2 {
  font-size: clamp(2.2rem, 4.6vw, 4.2rem);
  margin-bottom: 28px;
}

.about-copy p {
  margin: 0 0 18px;
  max-width: 700px;
  font-weight: 500;
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding: 34px clamp(24px, 4vw, 80px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.info-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 8px clamp(12px, 2vw, 28px);
}

.info-item + .info-item { border-left: 1px solid var(--line); }
.info-item > span { font-size: 2.05rem; margin: 0; }
.info-item small { color: var(--muted); font-size: 0.82rem; }

.final-cta {
  padding: clamp(48px, 6vw, 70px) 24px;
  text-align: center;
  background: linear-gradient(90deg, #f4eee5, var(--paper), #f4eee5);
}

.final-cta h2 { margin-bottom: 8px; }
.final-cta p { margin: 0; color: var(--muted); font-weight: 500; }
.final-actions { justify-content: center; margin-top: 24px; }

.site-footer {
  padding: 24px clamp(22px, 4vw, 64px);
  background: var(--dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer p { color: rgba(255, 250, 243, 0.74); }
.site-footer nav { display: flex; gap: clamp(18px, 4vw, 54px); flex-wrap: wrap; }
.site-footer nav a { color: var(--white); text-decoration: none; font-size: 0.9rem; font-weight: 600; }
.site-footer nav a:hover { text-decoration: underline; }

@media (max-width: 980px) {
  .site-header { position: static; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { order: 2; }
  .hero-image { order: 1; min-height: 360px; }
  h1 { font-size: clamp(4rem, 16vw, 7rem); }
  .icon-grid.seven { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
  .icon-grid.four, .takeaway-grid.three { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .icon-grid article,
  .takeaway-grid article { border-left: 0 !important; }
  .info-strip { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .info-item { border-left: 0 !important; }
  .about { grid-template-columns: 1fr; }
  .about-copy { order: 1; }
  .about-image { order: 2; min-height: 360px; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .site-header,
  .site-footer { align-items: flex-start; flex-direction: column; }
  .top-nav { display: none; }
  .hero-copy { padding: 40px 24px 48px; }
  .hero-image { min-height: 290px; background-position: center; }
  .hero-actions, .final-actions { flex-direction: column; }
  .btn { width: 100%; }
  .container { width: min(100% - 32px, 1180px); }
  .section { padding: 42px 0; }
  /* Mobile : outils regroupés en grille compacte 2 colonnes.
     La version desktop/tablette reste inchangée. */
  .tools .section-title,
  .section h2 {
    margin-bottom: 28px;
  }

  .icon-grid.seven {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
  }

.icon-grid.four {
  grid-template-columns: 1fr 1fr;
  row-gap: 22px;
}

.takeaway-grid.three {
  grid-template-columns: 1fr;
}

.info-strip {
  grid-template-columns: 1fr;
}

.takeaway-grid article {
  justify-content: center;
  text-align: center;
  gap: 16px;
}

.takeaway-grid article p {
  max-width: 260px;
  margin: 0 auto;
}

  .icon-grid.seven article {
    border-left: 0 !important;
    border-top: 1px solid var(--line);
    padding: 18px 10px 20px;
    min-height: 126px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .icon-grid.seven article:nth-child(1),
  .icon-grid.seven article:nth-child(2) { border-top: 0 !important; }
  .icon-grid.seven article:nth-child(even) { border-left: 1px solid var(--line) !important; }

  .icon-grid.seven article:last-child {
    grid-column: 1 / -1;
    width: 50%;
    justify-self: center;
    border-left: 0 !important;
  }

  .icon-grid.seven .icon {
    font-size: 2.55rem;
    margin-bottom: 12px;
  }

  .icon-grid.seven h3 {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    line-height: 1.35;
  }

  .tools .center-note {
    margin-top: 24px;
    font-size: 0.95rem;
  }
  .icon-grid.four article,
  .takeaway-grid article,
  .info-item { border-left: 0 !important; border-top: 1px solid var(--line); padding-top: 24px; }
  .icon-grid.four article:first-child,
  .takeaway-grid article:first-child,
  .info-item:first-child { border-top: 0 !important; }
  .takeaway-grid article { justify-content: flex-start; }
  .about-copy { padding: 40px 24px; }
  .about-image { min-height: 300px; }
  .site-footer nav { flex-direction: column; gap: 12px; }
}