/* ==========================================================================
   BYANSEL — Sections de la page d'accueil
   ========================================================================== */

.section {
  padding-block: var(--section-y);
}

.section__head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}

.section__head .section__label {
  margin-bottom: 0;
}

.section__title {
  font-size: var(--fs-h2);
  max-width: 20ch;
}

.section__intro {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 60ch;
}

.section__aside {
  align-self: end;
}

@media (min-width: 64em) {
  .section__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: var(--space-8);
    align-items: end;
  }

  .section__head > .section__label,
  .section__head > .section__title,
  .section__head > .section__intro {
    grid-column: 1;
  }

  .section__aside {
    grid-column: 2;
    grid-row: 1 / span 3;
  }
}

/* Masque de ligne pour la révélation typographique */
.line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em; /* évite de couper les descendantes */
  margin-bottom: -0.08em;
}

.line__inner {
  display: block;
  text-wrap: balance; /* si une ligne se replie, pas de mot orphelin */
}

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--white);
}

/* Panneau asymétrique : surface claire qui fuit vers la droite */
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 44%;
  background:
    radial-gradient(60% 50% at 70% 30%, rgba(228, 87, 46, 0.05), transparent 70%),
    var(--surface);
  display: none;
}

/* Trame technique : grille fine */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 42, 67, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 42, 67, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 80%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 80%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-8);
  padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.hero__kicker-dot {
  position: relative;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px var(--coral-soft);
}

.hero__title {
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 24ch;
}

/* Texte de grande taille : le corail de la charte passe le seuil AA « large text » (3:1) */
.hero__em {
  color: var(--coral);
}

.hero__lead {
  margin-top: var(--space-5);
  font-size: clamp(1.125rem, 0.5vw + 1rem, 1.3125rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-6);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__facts li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  background: var(--coral);
  transform: rotate(45deg);
}

/* Réglette de catégories */
.hero__ruler {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--navy);
  border-bottom: 1px solid var(--navy);
  background: var(--white);
}

.hero__ruler-inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  overflow-x: auto;
  padding-block: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  scrollbar-width: none;
}

.hero__ruler-inner::-webkit-scrollbar {
  display: none;
}

.hero__ruler-inner span {
  position: relative;
  white-space: nowrap;
  padding-left: var(--space-3);
}

.hero__ruler-inner span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 1.2em;
  transform: translateY(-50%);
  background: var(--coral);
}

@media (min-width: 64em) {
  .hero::before {
    display: block;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    column-gap: var(--space-7);
    min-height: min(44rem, 84vh);
  }
}

/* --- Planche de stock ---------------------------------------------------- */

.board {
  position: relative;
  container-type: inline-size;
  width: min(100%, 34rem);
  aspect-ratio: 100 / 110;
  margin-inline: auto;
}

.board__flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.board__path {
  fill: none;
  stroke: var(--navy);
  stroke-width: 2;
  stroke-dasharray: 0.012 0.01; /* pathLength="1" : pointillé exprimé en fraction du tracé */
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.6;
}

.board__packet {
  fill: var(--coral);
  opacity: 0;
}

@supports (offset-path: path("M0 0h1")) {
  .board__packet {
    offset-path: path("M 14 12 C 50 12, 30 34, 56 34 C 85 34, 85 56, 62 60 C 35 64, 30 82, 60 90 C 78 95, 84 98, 88 102");
    offset-distance: 0%;
    offset-rotate: 0deg;
  }
}

.board__node {
  position: absolute;
  display: grid;
  gap: 0.15em;
  padding: 2.2cqi 3cqi;
  font-size: clamp(0.7rem, 2.6cqi, 0.9rem);
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-md);
}

.board__node--in {
  left: 2%;
  top: 2%;
}

.board__node--out {
  right: 0;
  bottom: 0;
  background: var(--coral-deep);
}

.board__node-label {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.board__node-sub {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9em;
}

.board__tag {
  position: absolute;
  width: 56%;
  padding: 3.2cqi 3.6cqi;
  background: var(--white);
  border: 1px solid var(--navy-100);
  border-top: 2px solid var(--navy);
  box-shadow: var(--shadow-lg);
  font-size: clamp(0.72rem, 2.7cqi, 0.95rem);
}

.board__tag--1 { left: 26%; top: 15%; }
.board__tag--2 { left: 40%; top: 40%; }
.board__tag--3 { left: 6%;  top: 64%; }

.board__tag-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1cqi;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.78em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}

.board__tag-head .badge {
  font-size: 0.7em;
  padding: 0.15em 0.5em;
}

.board__tag-title {
  margin-top: 0.5em;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25em;
  line-height: 1.2;
  color: var(--navy);
}

.board__tag-meta {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 0.2em 1.2em;
  margin-top: 0.8em;
  padding-top: 0.7em;
  border-top: 1px solid var(--navy-100);
  font-size: 0.85em;
  font-variant-numeric: tabular-nums;
}

.board__tag-meta dt {
  color: var(--slate);
  font-size: 0.8em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.board__tag-meta dd {
  margin: 0;
  font-weight: 600;
  grid-row: 2;
}

.board__caption {
  position: absolute;
  left: 2%;
  bottom: 1%;
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

/* =========================================================================
   Arguments de réassurance
   ========================================================================= */

.args {
  background: var(--white);
  border-bottom: var(--rule);
}

.args__list {
  display: grid;
  grid-template-columns: 1fr;
}

.arg {
  padding: var(--space-6) 0;
  border-bottom: var(--rule);
}

.arg:last-child {
  border-bottom: 0;
}

.arg__icon {
  color: var(--coral-deep);
  margin-bottom: var(--space-4);
}

.arg__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}

.arg p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

@media (min-width: 40em) {
  .args__list {
    grid-template-columns: 1fr 1fr;
  }

  .arg {
    padding: var(--space-6) var(--space-5);
    border-bottom: 0;
    border-right: var(--rule);
  }

  .arg:nth-child(odd) {
    padding-left: 0;
  }

  .arg:nth-child(even) {
    border-right: 0;
  }

  .arg:nth-child(-n + 2) {
    border-bottom: var(--rule);
  }
}

@media (min-width: 64em) {
  .args__list {
    grid-template-columns: repeat(4, 1fr);
  }

  .arg,
  .arg:nth-child(odd) {
    padding: var(--space-7) var(--space-5);
    border-bottom: 0;
    border-right: var(--rule);
  }

  .arg:first-child {
    padding-left: 0;
  }

  .arg:last-child {
    border-right: 0;
  }
}

/* =========================================================================
   Derniers lots
   ========================================================================= */

.section--lots {
  background: var(--surface);
}

.lots {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 40em) {
  .lots {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64em) {
  .lots {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

/* =========================================================================
   Deux parcours
   ========================================================================= */

.parcours {
  display: grid;
  border: 1px solid var(--navy);
}

.parcours__col {
  padding: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.parcours__col--buy {
  background: var(--white);
  color: var(--navy);
}

.parcours__col--sell {
  background: var(--navy);
  color: var(--white);
}

.parcours__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral-deep);
}

.parcours__col--sell .parcours__eyebrow {
  color: var(--coral-light);
}

.parcours__title {
  font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem);
  margin-top: calc(-1 * var(--space-3));
}

.parcours__lead {
  color: var(--color-text-muted);
  max-width: 48ch;
}

.parcours__col--sell .parcours__lead {
  color: var(--slate-300);
}

.parcours__who {
  display: grid;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.parcours__who li {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
}

.parcours__who li::before {
  content: "";
  flex: none;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--coral);
  transform: translateY(-0.05rem) rotate(45deg);
}

/* Enchaînement d'étapes compact */
.flow {
  counter-reset: flow;
  display: grid;
  gap: 0;
  border-top: 1px solid currentColor;
  margin-top: var(--space-2);
}

.flow li {
  counter-increment: flow;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--navy-100);
  font-weight: 500;
  font-size: var(--fs-sm);
}

.parcours__col--sell .flow li {
  border-color: rgba(255, 255, 255, 0.16);
}

.flow li::before {
  content: counter(flow, decimal-leading-zero);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--coral-deep);
  font-variant-numeric: tabular-nums;
  min-width: 1.6rem;
}

.parcours__col--sell .flow li::before {
  color: var(--coral-light);
}

.parcours__col .btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (min-width: 56em) {
  .parcours {
    grid-template-columns: 1fr 1fr;
  }
}

/* =========================================================================
   Quatre étapes de rachat
   ========================================================================= */

.steps {
  display: grid;
  gap: var(--space-6);
  position: relative;
  padding-top: var(--space-5);
}

/* Rail horizontal : se dessine à l'apparition */
.steps::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--navy);
  transform-origin: left;
}

.step {
  position: relative;
  padding-top: var(--space-2);
}

.step__num {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}

.step__icon {
  color: var(--navy);
  margin-top: var(--space-4);
}

.step__title {
  font-size: var(--fs-lg);
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}

.step p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

@media (min-width: 40em) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 64em) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-7);
  }
}

.engagements {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--surface);
  display: grid;
  gap: var(--space-5);
}

.engagements__title {
  font-size: var(--fs-lg);
}

.engagements__list {
  display: grid;
  gap: var(--space-3);
}

.engagements__list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.engagements__list .icon {
  color: var(--coral-deep);
  margin-top: 0.2rem;
}

.engagements__note {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

@media (min-width: 64em) {
  .engagements {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }

  .engagements__note {
    grid-column: 2;
  }
}

/* =========================================================================
   La centrale d'achat (bloc marine)
   ========================================================================= */

.section--centrale {
  background: var(--navy);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

/* Trame de lignes de flux en arrière-plan */
.section--centrale::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(-32deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 56px);
}

.centrale {
  position: relative;
}

.section--centrale .section__title {
  color: var(--white);
}

.section--centrale .section__intro {
  color: var(--slate-300);
}

.centrale__grid {
  display: grid;
  gap: var(--space-5);
}

.centrale__item {
  padding: var(--space-5) 0 var(--space-5) var(--space-5);
  border-left: 2px solid rgba(255, 255, 255, 0.18);
  transition: border-color var(--dur-hover) var(--ease-hover);
}

@media (hover: hover) and (pointer: fine) {
  .centrale__item:hover {
    border-color: var(--coral);
  }
}

.centrale__item .icon {
  color: var(--coral);
  margin-bottom: var(--space-4);
}

.centrale__item h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}

.centrale__item p {
  color: var(--slate-300);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

@media (min-width: 40em) {
  .centrale__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 64em) {
  .centrale__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.centrale__quote {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.centrale__quote p {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.25rem, 1.4vw + 0.8rem, 1.75rem);
  line-height: 1.35;
  max-width: 28ch;
}

@media (min-width: 56em) {
  .centrale__quote {
    grid-template-columns: 1fr auto;
  }
}

/* =========================================================================
   La société
   ========================================================================= */

.societe__grid {
  display: grid;
  gap: var(--space-8);
}

.facts {
  display: grid;
  border-top: 1px solid var(--navy);
}

.fact {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) 2fr;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: var(--rule);
  font-size: var(--fs-sm);
}

.fact dt {
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--fs-xs);
  padding-top: 0.2rem;
}

.fact dd {
  margin: 0;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.societe__values {
  display: grid;
  gap: var(--space-5);
}

.societe__values li {
  padding: var(--space-5);
  background: var(--surface);
}

.societe__values .icon {
  color: var(--coral-deep);
  margin-bottom: var(--space-3);
}

.societe__values h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}

.societe__values p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

@media (min-width: 64em) {
  .societe__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-9);
  }
}

/* =========================================================================
   Alertes nouveaux lots
   ========================================================================= */

.section--alertes {
  background: var(--surface);
  border-top: 1px solid var(--navy);
}

.alertes {
  display: grid;
  gap: var(--space-7);
}

.alertes .section__title {
  max-width: 16ch;
}

.alertes .section__intro {
  margin-top: var(--space-4);
}

.form--alertes {
  padding: var(--space-6);
  background: var(--white);
  border: var(--rule);
  border-top: 2px solid var(--navy);
}

@media (min-width: 64em) {
  .alertes {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-9);
    align-items: start;
  }
}

/* =========================================================================
   CTA final
   ========================================================================= */

.section--final {
  position: relative;
  background: var(--navy-900);
  color: var(--white);
  overflow: hidden;
}

/* Accent corail : tranche diagonale en bordure */
.section--final::before {
  content: "";
  position: absolute;
  top: 0;
  right: -6rem;
  width: 18rem;
  height: 100%;
  background: var(--coral);
  transform: skewX(-14deg);
  opacity: 0.9;
}

.final {
  position: relative;
  display: grid;
  gap: var(--space-5);
  max-width: 52rem;
}

.final__title {
  font-size: var(--fs-h2);
  max-width: 18ch;
}

.final__lead {
  color: var(--slate-300);
  font-size: var(--fs-md);
  max-width: 50ch;
}

.final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

@media (max-width: 47.99em) {
  .section--final::before {
    width: 8rem;
    right: -4rem;
  }
}