/* =============================================================
   ERP Coop · Logistique — Site vitrine
   Marketing layer on top of design-system tokens (tokens.css)
   ============================================================= */

/* ---------- Page base ---------- */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-on-surface);
  background: var(--color-surface);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--green-200); }

/* Warm mesh page wash for light sections */
.page-wash {
  background:
    radial-gradient(at 10% 4%,  var(--green-100) 0%, transparent 40%),
    radial-gradient(at 92% 6%,  var(--sky-100)   0%, transparent 38%),
    radial-gradient(at 50% 102%, var(--earth-100) 0%, transparent 50%),
    var(--color-surface);
  background-attachment: fixed;
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }
.wrap-narrow { max-width: 920px; }
section { position: relative; }
.section-pad { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-pad-sm { padding: clamp(2.5rem, 5vw, 4rem) 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--label-m); font-weight: var(--weight-semibold);
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--color-primary);
}
.eyebrow.on-dark { color: rgba(255,255,255,0.82); }
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green-400); box-shadow: 0 0 0 0 rgba(95,165,107,0.7);
  animation: livePulse 2.4s var(--ease-emphasized) infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(95,165,107,0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(95,165,107,0); }
  100% { box-shadow: 0 0 0 0 rgba(95,165,107,0); }
}

.section-head { max-width: 680px; }
.section-head.center { margin: 0 auto; text-align: center; }
h1, h2, h3 { text-wrap: balance; }
.h-display {
  font-size: clamp(2.4rem, 5.2vw, var(--display-m));
  font-weight: var(--weight-bold); letter-spacing: -0.03em; line-height: 1.04;
  font-variation-settings: "opsz" 48; margin: var(--space-4) 0 var(--space-5);
}
.h-section {
  font-size: clamp(1.9rem, 3.6vw, var(--headline-l));
  font-weight: var(--weight-bold); letter-spacing: -0.02em; line-height: 1.1;
  font-variation-settings: "opsz" 32; margin: var(--space-4) 0 var(--space-4);
}
.lede {
  font-size: clamp(1.05rem, 1.6vw, var(--title-l));
  color: var(--color-on-surface-variant); line-height: 1.5; font-weight: var(--weight-regular);
  max-width: 60ch;
}
.section-head.center .lede { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  height: 52px; padding: 0 var(--space-6); border-radius: var(--shape-full);
  font: inherit; font-size: var(--title-m); font-weight: var(--weight-semibold);
  letter-spacing: -0.01em; cursor: pointer; border: 1px solid transparent;
  white-space: nowrap; transition: transform var(--dur-short-2) var(--ease-spring-soft),
    box-shadow var(--dur-medium-1) var(--ease-emphasized), background var(--dur-short-2);
}
.btn:active { transform: scale(0.97); border-radius: var(--shape-l); }
.btn-sm { height: 44px; padding: 0 var(--space-5); font-size: var(--label-l); }
.btn-lg { height: 58px; padding: 0 var(--space-8); font-size: var(--title-l); }

.btn-primary {
  background: linear-gradient(180deg, var(--green-500), var(--green-800));
  color: #fff; box-shadow: var(--elev-2), inset 0 1px 0 rgba(255,255,255,0.22);
}
.btn-primary:hover { box-shadow: var(--glow-primary), inset 0 1px 0 rgba(255,255,255,0.22); transform: translateY(-2px); }
.btn-white {
  background: linear-gradient(180deg, #fff, rgba(255,255,255,0.9));
  color: var(--green-800); box-shadow: var(--elev-3), inset 0 1px 0 rgba(255,255,255,0.6);
}
.btn-white:hover { box-shadow: var(--elev-5), inset 0 1px 0 rgba(255,255,255,0.6); transform: translateY(-2px); }
.btn-glass {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(8px);
  color: #fff; border-color: rgba(255,255,255,0.38);
}
.btn-glass:hover { background: rgba(255,255,255,0.18); transform: translateY(-2px); }
.btn-outline {
  background: rgba(255,255,255,0.55); color: var(--green-700);
  border-color: var(--color-outline); backdrop-filter: blur(8px);
}
.btn-outline:hover { background: var(--green-100); border-color: var(--green-300); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--green-700); }
.btn-ghost:hover { background: var(--green-100); }
.btn .arrow { transition: transform var(--dur-short-2) var(--ease-spring-bouncy); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: rgba(250,249,246,0.72); backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 1px 0 rgba(15,14,10,0.04);
}
.header-inner { display: flex; align-items: center; gap: var(--space-6); height: 72px; }
.brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.brand img { height: 38px; width: auto; }
.brand .tag {
  font-size: var(--label-s); font-weight: var(--weight-semibold);
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--green-600);
  padding: 3px 8px; border-radius: var(--shape-full); background: var(--green-100);
}
.nav { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
.nav a {
  padding: var(--space-2) var(--space-4); border-radius: var(--shape-full);
  font-size: var(--title-m); font-weight: var(--weight-medium); color: var(--color-on-surface-variant);
  transition: background var(--dur-short-2), color var(--dur-short-2);
}
.nav a:hover { background: rgba(255,255,255,0.7); color: var(--color-on-surface); }
.nav a.active { color: var(--green-700); background: var(--green-100); }
.header-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle { display: none; }

/* mobile nav */
.menu-btn {
  display: none; width: 46px; height: 46px; border-radius: var(--shape-m);
  border: 1px solid var(--color-outline); background: rgba(255,255,255,0.7);
  cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 4px;
}
.menu-btn span { width: 18px; height: 2px; background: var(--color-on-surface); border-radius: 2px; transition: 0.2s; }

/* ---------- Footer ---------- */
.site-footer { background: var(--neutral-900); color: rgba(255,255,255,0.7); padding: var(--space-16) 0 var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: var(--space-10); }
.footer-brand .mark { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.footer-brand .mark img { height: 34px; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand .mark .name { font-weight: var(--weight-semibold); color: #fff; font-size: var(--title-m); }
.footer-brand p { font-size: var(--body-m); color: rgba(255,255,255,0.55); max-width: 30ch; line-height: 1.6; }
.footer-col h4 { color: rgba(255,255,255,0.5); margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--body-m); color: rgba(255,255,255,0.72); transition: color 0.15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: var(--space-12); padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  flex-wrap: wrap; font-size: var(--body-s); color: rgba(255,255,255,0.45);
}
.footer-badges { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.footer-badges span {
  font-size: var(--label-s); font-weight: var(--weight-medium);
  padding: 4px 10px; border-radius: var(--shape-full);
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.1);
}

/* ---------- Dark CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; color: #fff; border-radius: var(--shape-2xl);
  padding: clamp(3rem, 6vw, 5rem); text-align: center;
  background:
    radial-gradient(at 18% 18%, rgba(143,233,170,0.5) 0%, transparent 45%),
    radial-gradient(at 82% 22%, rgba(111,184,223,0.45) 0%, transparent 50%),
    radial-gradient(at 50% 96%, rgba(248,185,74,0.32) 0%, transparent 55%),
    linear-gradient(135deg, var(--green-700) 0%, var(--sky-800) 52%, var(--green-900) 100%);
}
.cta-band h2 { font-size: clamp(1.9rem, 4vw, var(--headline-l)); letter-spacing: -0.02em; margin-bottom: var(--space-4); }
.cta-band p { color: rgba(255,255,255,0.82); font-size: var(--title-l); max-width: 52ch; margin: 0 auto var(--space-8); }
.cta-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-emphasized), transform .7s var(--ease-emphasized); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .nav, .header-cta .btn:not(.menu-trigger) { display: none; }
  .menu-btn { display: flex; margin-left: auto; }
  .header-inner { gap: var(--space-3); }
  .mobile-open .nav {
    display: flex; flex-direction: column; align-items: stretch; gap: var(--space-1);
    position: absolute; top: 72px; left: 0; right: 0; padding: var(--space-4) var(--space-6) var(--space-6);
    background: rgba(250,249,246,0.96); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-outline-variant); box-shadow: var(--elev-4);
  }
  .mobile-open .nav a { font-size: var(--title-l); padding: var(--space-3) var(--space-4); }
  .mobile-open .nav .btn-primary { display: inline-flex; margin-top: var(--space-3); height: 52px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 var(--space-4); }
  .footer-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
}