/* =========================================================
   Théomaliah SARLU — palette Nexus + typographie DM Sans/Inter
   ========================================================= */

:root {
  /* Light mode */
  --bg: #F7F6F2;
  --surface: #F9F8F5;
  --surface-alt: #FBFBF9;
  --border: #D4D1CA;
  --text: #28251D;
  --text-muted: #7A7974;
  --text-faint: #BAB9B4;
  --primary: #01696F;
  --primary-hover: #0C4E54;
  --error: #A12C7B;
  --warning: #964219;
  --success: #437A22;

  /* Type scale */
  --font-display: 'DM Sans', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;

  /* Layout */
  --content-max: 1120px;
  --content-narrow: 720px;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(40, 37, 29, 0.05);
  --shadow: 0 4px 14px rgba(40, 37, 29, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --surface: #1C1B19;
    --surface-alt: #201F1D;
    --border: #393836;
    --text: #CDCCCA;
    --text-muted: #797876;
    --text-faint: #5A5957;
    --primary: #4F98A3;
    --primary-hover: #227F8B;
    --error: #D163A7;
    --warning: #BB653B;
    --success: #6DAA45;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  }
}

/* --- Reset léger --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: "ss01", "cv11";
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 3px; }

/* --- Typographie --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.15rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; }
p { margin: 0 0 1em; max-width: 68ch; }
strong { color: var(--text); font-weight: 600; }
small, .caption { color: var(--text-muted); font-size: 0.875rem; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.9rem;
}

/* --- Layout containers --- */
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: var(--content-narrow); margin: 0 auto; padding: 0 1.5rem; }
section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
section + section { border-top: 1px solid var(--border); }

/* --- Header --- */
.site-header {
  position: sticky; top: 0;
  background: rgba(247, 246, 242, 0.88);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(23, 22, 20, 0.88); }
}
.nav {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
}
.nav__brand {
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--text); letter-spacing: -0.01em;
}
.nav__brand:hover { text-decoration: none; }
.nav__brand svg { flex-shrink: 0; }
.nav__links { display: flex; gap: 1.8rem; align-items: center; }
.nav__links a {
  color: var(--text-muted); font-size: 0.94rem; font-weight: 500;
  transition: color 0.15s ease;
}
.nav__links a:hover { color: var(--text); text-decoration: none; }
.nav__links a.active { color: var(--text); }

/* Menu burger mobile */
.nav__toggle {
  display: none;
  background: none; border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem; gap: 1rem;
  }
  .nav__toggle { display: inline-flex; align-items: center; gap: 0.4rem; }
}

/* --- Hero --- */
.hero { padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem); }
.hero__content { max-width: 780px; }
.hero p.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 60ch;
}
.hero__meta {
  margin-top: 2rem;
  display: flex; flex-wrap: wrap; gap: 1.2rem 2.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}
.hero__meta strong { display: block; color: var(--text); font-family: var(--font-display); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.25rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.3rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}
.btn--primary { background: var(--primary); color: white; }
.btn--primary:hover { background: var(--primary-hover); color: white; text-decoration: none; }
.btn--secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn--secondary:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.btn-group { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem; }

/* --- Cards / grid --- */
.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.7rem;
}
.card h3 { margin-bottom: 0.4rem; }
.card p { color: var(--text-muted); margin-bottom: 0; }
.card__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

/* --- KPI row --- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.kpi__value {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2rem); color: var(--text);
  line-height: 1.1;
  font-variant-numeric: tabular-nums lining-nums;
}
.kpi__label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.3rem; }

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
  padding: 3rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem 3rem;
}
.footer__col h4 { color: var(--text); font-size: 0.78rem; }
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { margin-bottom: 0.4rem; }
.footer__col a { color: var(--text-muted); }
.footer__col a:hover { color: var(--text); }
.footer__bottom {
  max-width: var(--content-max);
  margin: 2.5rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between;
  font-size: 0.82rem;
}

/* --- Utility --- */
.text-muted { color: var(--text-muted); }
.divider { border: 0; height: 1px; background: var(--border); margin: 3rem 0; }
.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean li { padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.list-clean li:last-child { border-bottom: 0; }
.list-clean strong { display: block; color: var(--text); margin-bottom: 0.15rem; }

/* --- Definition list / mentions légales --- */
dl.info { display: grid; grid-template-columns: max-content 1fr; gap: 0.7rem 1.8rem; margin: 1.5rem 0; }
dl.info dt { color: var(--text-muted); font-size: 0.85rem; font-weight: 500; padding-top: 0.15rem; }
dl.info dd { margin: 0; color: var(--text); }
@media (max-width: 560px) {
  dl.info { grid-template-columns: 1fr; gap: 0.15rem 0; }
  dl.info dt { margin-top: 0.7rem; }
}

/* --- Accessible focus --- */
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

/* --- Motion --- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}