/* ============================================================
   base.css — Système de design partagé Lisa-PAM
   Tokens, typographie, boutons, header, footer.
   Utilisé par les pages internes (produit, guide, FAQ, blog…).
   ============================================================ */

:root {
  --noir-vert: #1F2520;
  --vert-fonce: #113300;
  --vert: #2C5530;
  --vert-clair: #74B21D;
  --accent: #74B21D;
  --accent-ink: #ffffff;
  --cream: #f6f7f2;
  --cream-2: #eef1e7;
  --line: #e3e6dd;
  --ink: #1F2520;
  --muted: #5b6157;
  --radius: 18px;
  --shadow-sm: 0 2px 14px rgba(31,37,32,.06);
  --shadow-md: 0 18px 50px rgba(31,37,32,.12);
  --maxw: 1200px;
  --btn-dash: dashed;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Roboto", system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .krub { font-family: "Krub", sans-serif; }
h1, h2, h3 { color: var(--noir-vert); line-height: 1.12; margin: 0; letter-spacing: -.01em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.kicker {
  font-family: "Krub", sans-serif;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--vert-clair);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--vert-clair);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: "Cabin", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 999px;
  padding: 15px 32px;
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background .25s ease, color .25s ease, transform .15s ease;
  text-align: center;
  line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary::after {
  content: "";
  position: absolute; inset: -7px;
  border: 2px var(--btn-dash) var(--accent);
  border-radius: 999px;
  opacity: .55;
  transition: opacity .25s ease, border-color .25s ease;
}
.btn-primary:hover { background: var(--noir-vert); color: #fff; }
.btn-primary:hover::after { border-color: var(--noir-vert); opacity: .5; }

.btn-dark { background: var(--noir-vert); color: #fff; }
.btn-dark::after {
  content: "";
  position: absolute; inset: -7px;
  border: 2px var(--btn-dash) var(--noir-vert);
  border-radius: 999px;
  opacity: .4;
}
.btn-dark:hover { background: var(--vert-clair); color: #fff; }
.btn-dark:hover::after { border-color: var(--vert-clair); }

.btn-ghost {
  background: transparent;
  color: var(--noir-vert);
  border: 1.5px solid rgba(31,37,32,.22);
}
.btn-ghost:hover { border-color: var(--noir-vert); background: rgba(31,37,32,.04); }

.link-arrow {
  font-family: "Krub", sans-serif;
  font-weight: 600;
  color: var(--vert);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap .2s ease, color .2s ease;
}
.link-arrow svg { transition: transform .2s ease; }
.link-arrow:hover { color: var(--vert-clair); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; gap: 28px;
  height: 78px;
}
.nav__logo img { height: 38px; width: auto; }
.nav__links {
  display: flex; align-items: center; gap: 28px;
  margin-left: auto;
  font-family: "Krub", sans-serif;
  font-weight: 500;
  font-size: .98rem;
}
.nav__links a { color: var(--noir-vert); position: relative; padding: 6px 0; white-space: nowrap; }
.nav__links a.is-current { color: var(--vert-clair); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--vert-clair);
  transition: width .25s ease;
}
.nav__links a:hover::after, .nav__links a.is-current::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: 10px; margin-left: 6px; }

.lang {
  display: inline-flex; align-items: center;
  border: 1.5px solid var(--line); border-radius: 999px;
  padding: 3px; background: #fff;
}
.lang-btn {
  font-family: "Cabin", sans-serif; font-weight: 700; font-size: .78rem;
  letter-spacing: .03em;
  border: none; background: none; cursor: pointer;
  color: var(--muted); padding: 6px 11px; border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.lang-btn.is-active { background: var(--vert-clair); color: #fff; }
.lang-btn:not(.is-active):hover { color: var(--noir-vert); }

.icon-btn {
  position: relative;
  width: 44px; height: 44px; border-radius: 999px;
  display: grid; place-items: center;
  color: var(--noir-vert);
  border: 1.5px solid var(--line);
  background: #fff;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.icon-btn:hover { background: var(--vert-clair); color: #fff; border-color: var(--vert-clair); }
.icon-btn__badge {
  position: absolute; top: -4px; right: -4px;
  min-width: 18px; height: 18px; padding: 0 4px;
  border-radius: 999px; background: var(--vert-clair); color: #fff;
  font-family: "Cabin", sans-serif; font-weight: 700; font-size: .68rem;
  display: grid; place-items: center; border: 2px solid #fff;
}
.icon-btn--cart:hover .icon-btn__badge { background: var(--noir-vert); }
.nav__burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--noir-vert); margin: 5px 0; border-radius: 2px; }

/* ---------- Footer ---------- */
footer.site { background: var(--noir-vert); color: rgba(255,255,255,.7); padding: 70px 0 32px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.foot__brand img { height: 40px; margin-bottom: 18px; }
.foot__brand p { font-size: .96rem; max-width: 280px; line-height: 1.7; }
.foot h4 { font-family: "Krub"; color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; margin-bottom: 18px; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.foot a { color: rgba(255,255,255,.7); font-size: .98rem; transition: color .2s ease; }
.foot a:hover { color: var(--vert-clair); }
.foot__bottom {
  margin-top: 52px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: .9rem; color: rgba(255,255,255,.5);
}
.foot__bottom a { color: rgba(255,255,255,.5); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive chrome ---------- */
@media (max-width: 1040px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
}
@media (max-width: 980px) {
  .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .foot { grid-template-columns: 1fr; }
  .wrap { padding: 0 20px; }
  .nav__actions { gap: 6px; }
  .lang-btn { padding: 6px 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}