/* =============================================================
   La Lanterne du MJ — landing page
   Direction : coterie à la lanterne. Noir chaud, parchemin,
   or, rouge sang. Typographie éditoriale française.
   ============================================================= */

:root {
  --ink:        #14100e;
  --ink-2:      #1a1614;
  --ink-3:      #241e1a;
  --paper:      #f4efe4;
  --paper-dim:  #c9bfae;
  --gold:       #a67c3d;
  --gold-bright:#c89b55;
  --accent:     #8b2c2c;
  --rule:       rgba(166, 124, 61, 0.28);
  --serif: "Fraunces", Georgia, serif;
  --body: "Cormorant Garamond", Georgia, serif;
  --max: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 20px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---------- grain de film ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- boutons ---------- */
.btn {
  display: inline-block;
  padding: 0.85em 1.9em;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn--gold {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.btn--gold:hover {
  background: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(166, 124, 61, 0.25);
}
.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--rule);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-bright); }
.btn--outline {
  background: transparent;
  color: var(--gold-bright);
  border-color: var(--gold);
}
.btn--outline:hover { background: rgba(166, 124, 61, 0.12); }
.btn--small { padding: 0.55em 1.3em; font-size: 0.85rem; }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(20, 16, 14, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(166, 124, 61, 0.15);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
}
.brand__lantern { color: var(--gold); font-size: 1.3rem; }
.nav__links {
  display: flex;
  gap: 2rem;
}
.nav__links a {
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--gold-bright); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 2rem 4rem;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(166,124,61,0.14) 0%, transparent 65%);
  pointer-events: none;
}
.hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero__eyebrow {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.08;
  margin-bottom: 1.8rem;
}
.hero__title em {
  font-style: italic;
  color: var(--gold-bright);
}
.hero__sub {
  color: var(--paper-dim);
  font-size: 1.2rem;
  max-width: 30em;
  margin-bottom: 2.4rem;
}
.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.6rem;
}
.hero__proof {
  list-style: none;
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  color: var(--paper-dim);
  font-size: 0.95rem;
}
.hero__proof li { color: var(--paper-dim); }
.hero__proof li::marker { content: ""; }

.hero__art { position: relative; }
.hero__frame {
  position: relative;
  border: 1px solid var(--rule);
  padding: 1.2rem;
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  box-shadow: 0 30px 80px rgba(0,0,0,0.55);
  transform: rotate(1.2deg);
  transition: transform 0.4s ease;
}
.hero__frame:hover { transform: rotate(0deg) scale(1.01); }
.hero__frame img {
  display: block;
  width: 100%;
  border: 1px solid rgba(166, 124, 61, 0.35);
}
.hero__frame::before {
  content: "";
  position: absolute;
  inset: -1.2rem -1.2rem auto auto;
  width: 5rem;
  height: 5rem;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  opacity: 0.6;
}
.hero__caption {
  margin-top: 1rem;
  text-align: center;
  color: var(--paper-dim);
  font-size: 0.85rem;
  font-style: italic;
}

/* ---------- sections communes ---------- */
.section-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 1.6rem;
}

/* ---------- problème ---------- */
.problem {
  background: var(--ink-2);
  border-top: 1px solid rgba(166, 124, 61, 0.12);
  border-bottom: 1px solid rgba(166, 124, 61, 0.12);
  padding: 6rem 2rem;
}
.problem__inner { max-width: var(--max); margin: 0 auto; }
.problem__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  color: var(--paper-dim);
  font-size: 1.15rem;
}
.problem__cols strong { color: var(--paper); font-weight: 600; }

/* ---------- produits ---------- */
.produits { padding: 7rem 2rem; }
.produits__inner { max-width: var(--max); margin: 0 auto; }
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}
.card {
  position: relative;
  border: 1px solid var(--rule);
  background: linear-gradient(170deg, var(--ink-2), var(--ink-3));
  padding: 2.8rem 2.4rem 2.4rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--gold); }
.card--catalog { border-color: var(--gold); }
.card__badge {
  position: absolute;
  top: -0.9rem;
  left: 2.4rem;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.35em 1.1em;
}
.card__badge--gold { background: var(--gold); color: var(--ink); }
.card__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}
.card__desc { color: var(--paper-dim); margin-bottom: 1.4rem; font-size: 1.05rem; }
.card__list {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}
.card__list li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--paper-dim);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.card__list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.8rem;
  top: 0.15rem;
}
.card__price {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1.6rem;
}
.card__price-num {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--paper);
}
.card__price-note { color: var(--paper-dim); font-size: 0.85rem; }

/* ---------- aperçu ---------- */
.apercu {
  background: var(--ink-2);
  border-top: 1px solid rgba(166, 124, 61, 0.12);
  padding: 7rem 2rem;
}
.apercu__inner { max-width: var(--max); margin: 0 auto; }
.apercu__lead {
  max-width: 44em;
  color: var(--paper-dim);
  font-size: 1.15rem;
  margin-bottom: 3rem;
}
.apercu__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}
.apercu__item {
  border: 1px solid var(--rule);
  padding: 1rem;
  background: var(--ink-3);
}
.apercu__item img {
  width: 100%;
  display: block;
  border: 1px solid rgba(166, 124, 61, 0.3);
}
.apercu__item figcaption {
  margin-top: 0.8rem;
  color: var(--paper-dim);
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
}

/* ---------- kit ---------- */
.kit {
  padding: 7rem 2rem;
  position: relative;
  overflow: hidden;
}
.kit__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}
.kit__eyebrow {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.kit__text p:not(.kit__eyebrow) {
  color: var(--paper-dim);
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}
.kit__text .btn { margin-top: 1.2rem; }
.kit__side {
  display: flex;
  justify-content: center;
  align-items: center;
}
.kit__d100 {
  font-family: var(--serif);
  font-size: 9rem;
  font-weight: 600;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  opacity: 0.8;
  transform: rotate(-8deg);
}

/* ---------- acheter ---------- */
.acheter {
  background: linear-gradient(170deg, var(--ink-2), var(--ink));
  border-top: 1px solid rgba(166, 124, 61, 0.12);
  padding: 7rem 2rem;
  text-align: center;
}
.acheter__inner { max-width: var(--max); margin: 0 auto; }
.acheter__lead {
  color: var(--paper-dim);
  max-width: 34em;
  margin: 0 auto 2.4rem;
  font-size: 1.1rem;
}
.acheter__actions {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.acheter__note {
  margin-top: 1.8rem;
  color: var(--paper-dim);
  font-size: 0.85rem;
  font-style: italic;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid rgba(166, 124, 61, 0.15);
  padding: 3.5rem 2rem;
  background: var(--ink-2);
}
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}
.footer__brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--paper);
}
.footer__tag { color: var(--paper-dim); font-style: italic; margin: 0.4rem 0 1.4rem; }
.footer__links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.6rem;
}
.footer__links a {
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer__links a:hover { color: var(--gold-bright); }
.footer__legal {
  color: var(--paper-dim);
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ---------- animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero__inner, .problem__cols, .cards, .apercu__grid, .kit__inner {
    grid-template-columns: 1fr;
  }
  .hero { padding-top: 9rem; }
  .nav__links { display: none; }
  .hero__art { order: -1; max-width: 480px; margin: 0 auto; }
  .kit__d100 { font-size: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-up { opacity: 1; transform: none; transition: none; }
  .hero__frame, .card { transition: none; }
}