/* ============================================================
   ESTHALE — feuille de style principale
   Style : minimal, contrasté, géométrique (réf. medskin-precision.ch)
   ============================================================ */

:root{
  --ink:      #141414;
  --ink-2:    #3a3a3a;
  --paper:    #ffffff;
  --paper-2:  #f5f4f1;   /* section alternée, chaud */
  --surface:  #141414;   /* section sombre */
  --muted:    #6d6a64;
  --line:     #e4e2dd;
  --line-2:   #cfccc5;
  --accent:   #141414;   /* CTA — monochrome assumé */
  --ok:       #1f7a4d;

  --gut: clamp(20px, 5vw, 72px);
  --maxw: 1240px;
  --sec-y: clamp(64px, 9vw, 132px);

  --font: "Jost","Futura PT","Futura","Century Gothic","Trebuchet MS",-apple-system,BlinkMacSystemFont,sans-serif;
  --tr: .28s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{ box-sizing:border-box; margin:0 }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; overflow-x:clip }
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img,svg,video{ display:block; max-width:100% }
a{ color:inherit; text-decoration:none }
button{ font:inherit; cursor:pointer }
:focus-visible{ outline:2px solid var(--ink); outline-offset:3px }

h1,h2,h3,h4{ font-weight:500; line-height:1.12; letter-spacing:-.01em }
h1{ font-size:clamp(2.1rem, 4.4vw, 3.5rem) }
h2{ font-size:clamp(1.7rem, 3vw, 2.5rem) }
h3{ font-size:clamp(1.15rem, 1.7vw, 1.4rem) }
p{ text-wrap:pretty }

/* --- utilitaires ----------------------------------------------------------- */
.wrap{ max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut) }
.sec{ padding-block:var(--sec-y) }
.sec--paper2{ background:var(--paper-2) }
.sec--dark{ background:var(--surface); color:var(--paper) }
.sec--dark .muted{ color:#a8a5a0 }
.muted{ color:var(--muted) }
.eyebrow{
  font-size:.72rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--muted); font-weight:500; margin-bottom:1.1rem;
}
.sec--dark .eyebrow{ color:#b7b4ae }
.lead{ font-size:clamp(1rem,1.3vw,1.18rem); color:var(--ink-2); max-width:60ch }
.sec--dark .lead{ color:#d7d4cf }
.center{ text-align:center }
.stack-sm>*+*{ margin-top:.6rem }

/* --- boutons ------------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:.55em;
  padding:.95em 1.7em; border:1px solid var(--ink);
  background:var(--ink); color:var(--paper);
  font-size:.78rem; letter-spacing:.16em; text-transform:uppercase; font-weight:500;
  transition:background var(--tr), color var(--tr), border-color var(--tr);
}
.btn:hover{ background:transparent; color:var(--ink) }
.btn--ghost{ background:transparent; color:var(--ink) }
.btn--ghost:hover{ background:var(--ink); color:var(--paper) }
.btn--ondark{ border-color:var(--paper); background:var(--paper); color:var(--ink) }
.btn--ondark:hover{ background:transparent; color:var(--paper) }
.btn--ghost.btn--ondark{ background:transparent; color:var(--paper) }
.btn--ghost.btn--ondark:hover{ background:var(--paper); color:var(--ink) }
.btn-row{ display:flex; flex-wrap:wrap; gap:.9rem; margin-top:2rem }

/* --- en-tête ------------------------------------------------------------- */
.hd{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.hd__in{ display:flex; align-items:center; gap:2rem; height:76px; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut) }
.hd__logo{ flex:0 0 auto }
.hd__logo img{ height:22px; width:auto }
.hd__nav{ display:flex; gap:1.6rem; margin-inline-start:auto; align-items:center }
.hd__nav a{
  font-size:.76rem; letter-spacing:.14em; text-transform:uppercase; font-weight:500;
  padding-block:.4rem; border-bottom:1px solid transparent; transition:border-color var(--tr);
}
.hd__nav a:hover,.hd__nav a[aria-current]{ border-color:var(--ink) }
.hd__tools{ display:flex; align-items:center; gap:1rem }
.hd__sel{
  border:0; background:transparent; font:inherit; font-size:.74rem;
  letter-spacing:.1em; text-transform:uppercase; color:var(--muted); padding:.3rem .1rem;
}
.hd__cart{ position:relative; display:inline-flex; padding:.3rem }
.hd__cart-n{
  position:absolute; top:-.35rem; right:-.5rem; min-width:1.15rem; height:1.15rem;
  background:var(--ink); color:#fff; font-size:.62rem; border-radius:999px;
  display:grid; place-items:center; padding:0 .25rem;
}
.hd__burger{ display:none; border:0; background:transparent; padding:.4rem }
.hd__burger span{ display:block; width:22px; height:2px; background:var(--ink); margin:4px 0 }

/* --- hero -------------------------------------------------------------- */
.hero{ border-bottom:1px solid var(--line) }
.hero__in{
  display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(2rem,5vw,4.5rem);
  align-items:center; padding-block:clamp(3rem,7vw,6rem);
}
.hero__title{ margin:.4rem 0 1.4rem }
.hero__media{ aspect-ratio:4/3.4; background:var(--paper-2) center/cover no-repeat; border:1px solid var(--line) }
.hero__media--ph{ display:grid; place-items:center; color:var(--line-2); font-size:.8rem; letter-spacing:.15em; text-transform:uppercase }

/* --- grille de familles / cartes ------------------------------------- */
.grid{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line) }
.grid--3{ grid-template-columns:repeat(3,1fr) }
.grid--4{ grid-template-columns:repeat(4,1fr) }
.grid--2home{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); grid-template-columns:1fr 1fr }
@media (max-width:720px){ .grid--2home{ grid-template-columns:1fr } }
.card{ background:var(--paper); padding:2rem 1.7rem; display:flex; flex-direction:column; gap:.7rem; transition:background var(--tr) }
.card a.card__link::after{ content:""; position:absolute; inset:0 }
.card{ position:relative }
.card:hover{ background:var(--paper-2) }
.card__media{ aspect-ratio:1/1; background:var(--paper-2) center/cover no-repeat; margin:-2rem -1.7rem 1rem; border-bottom:1px solid var(--line) }
.card__k{ font-size:.68rem; letter-spacing:.18em; text-transform:uppercase; color:var(--muted) }
.card__t{ font-size:1.15rem }
.card__price{ margin-top:auto; font-size:.95rem; letter-spacing:.02em }
.card__price b{ font-weight:500 }
.card__arrow{ font-size:.75rem; letter-spacing:.14em; text-transform:uppercase; display:inline-flex; gap:.4em; align-items:center }

/* --- pièce "confiance" -------------------------------------------------- */
.feats{ display:grid; grid-template-columns:repeat(4,1fr); gap:2.2rem }
.feat__n{ font-size:.72rem; letter-spacing:.18em; color:var(--muted); margin-bottom:.9rem }
.feat h3{ margin-bottom:.5rem; font-size:1.05rem }
.feat p{ font-size:.92rem; color:var(--muted) }
.sec--dark .feat p{ color:#a8a5a0 }

/* --- bande split (usine) --------------------------------------------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4rem); align-items:center }
.split__media{ aspect-ratio:4/3; background:#222 center/cover no-repeat; border:1px solid rgba(255,255,255,.14) }

/* --- bande CTA ------------------------------------------------------- */
.ctaband{ text-align:center }
.ctaband h2{ margin-bottom:1rem }
.ctaband p{ margin-inline:auto; max-width:52ch }

/* --- pied de page --------------------------------------------------- */
.ft{ background:var(--surface); color:#cfccc6; padding-block:clamp(3rem,6vw,5rem) .5rem }
.ft__grid{ display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:2.5rem }
.ft__logo img{ height:20px; margin-bottom:1.1rem }
.ft h4{ font-size:.7rem; letter-spacing:.2em; text-transform:uppercase; color:#8f8c86; margin-bottom:1.1rem; font-weight:500 }
.ft ul{ list-style:none }
.ft li{ margin-bottom:.6rem }
.ft a:hover{ color:#fff }
.ft__bot{ margin-top:3rem; padding-top:1.4rem; border-top:1px solid rgba(255,255,255,.12);
  display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; font-size:.78rem; color:#8f8c86 }

/* --- bannière préprod --------------------------------------------- */
.staging{ background:#141414; color:#fff; font-size:.72rem; letter-spacing:.08em; text-align:center; padding:.5rem 1rem }
.staging b{ font-weight:500 }

/* --- responsive -------------------------------------------------- */
@media (max-width:940px){
  .hero__in{ grid-template-columns:1fr }
  .hero__media{ order:-1; aspect-ratio:16/10 }
  .grid--4,.grid--3{ grid-template-columns:repeat(2,1fr) }
  .feats{ grid-template-columns:repeat(2,1fr); gap:1.8rem }
  .split{ grid-template-columns:1fr }
  .ft__grid{ grid-template-columns:1fr 1fr }
}
@media (max-width:720px){
  .hd__nav{ display:none }
  .hd__burger{ display:block; margin-inline-start:auto }
  .hd__nav.is-open{
    display:flex; position:absolute; inset:76px 0 auto; flex-direction:column;
    background:var(--paper); border-bottom:1px solid var(--line); padding:1.2rem var(--gut); gap:.4rem; margin:0;
  }
  .hd__nav.is-open a{ padding-block:.7rem }
}
@media (max-width:520px){
  .grid--4,.grid--3{ grid-template-columns:1fr }
  .feats,.ft__grid{ grid-template-columns:1fr }
}