/* ===========================
   LAREKA Sentinel - styles.css (V2 CLAIR)
   Objectif: clair + premium + confiance B2C
   - Fond clair
   - Cartes blanches + ombres légères
   - Texte bleu nuit lisible
   - Accent orange (CTA) + bleu nuit (sérieux)
   - Sticky aside conservé
   =========================== */

:root{
  /* Fonds */
  --bg: #F7F9FB;         /* blanc cassé */
  --panel: #FFFFFF;      /* cartes */
  --panel-2: #F2F5F8;    /* surfaces secondaires */

  /* Texte */
  --fg: #0F172A;         /* bleu nuit (lisible) */
  --muted: rgba(15,23,42,.68);
  --line: rgba(15,23,42,.12);

  /* Accents */
  --accent: #F97316;     /* orange action */
  --accent-2: #FB923C;   /* orange clair */
  --calm: #1E293B;       /* bleu sérieux */

  /* UI */
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --radius: 18px;
  --shadow: 0 16px 46px rgba(15,23,42,.10);
  --shadow-2: 0 10px 26px rgba(15,23,42,.08);
}

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

body{
  font-family: var(--font);
  color: var(--fg);
  line-height: 1.55;
  background:
    radial-gradient(1200px 800px at 18% 12%, rgba(249,115,22,.10), transparent 58%),
    radial-gradient(900px 650px at 84% 8%, rgba(30,41,59,.08), transparent 56%),
    radial-gradient(1100px 900px at 40% 100%, rgba(15,23,42,.05), transparent 60%),
    var(--bg);
}

/* Liens */
a{ color: var(--calm); text-decoration: none; }
a:hover{ color: var(--accent); }

.container{
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

/* ===========================
   Header
   =========================== */

.header{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,.75);
  border-bottom: 1px solid var(--line);
}

.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 16px 0;
}

/* Brand / Logo */
.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  letter-spacing: .08em;
}

.brand__mark{
 width: 38px;
height: 38px;
border-radius: 30%;
background: radial-gradient(circle at 10% 0%, #4ee3c2, #182037 55%, #050814 100%);
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
letter-spacing: 0.08em;
font-size: 0.7rem;
text-transform: uppercase;
color: #f9fafb;
border: 1px solid rgba(15, 23, 42, 0.3);
box-shadow: 0 0 0 1px rgba(78, 227, 194, 0.25);

}


.brand__name{
  font-weight: 800;
  font-size: 16px;
  color: var(--fg);
  opacity: .95;
}

/* petite version (footer) */
.brand--small .brand__mark{
  width: 54px;
  height: 46px;
  border-radius: 16px;
  font-size: 17px;
}


.brand--small .brand__name{
  font-size: 15px;
}

/* Nav */
.nav{
  display:flex;
  gap: 16px;
}

.nav__link{
  color: rgba(15,23,42,.70);
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
}

.nav__link:hover{
  background: rgba(15,23,42,.04);
  border-color: rgba(15,23,42,.10);
  color: var(--fg);
}

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

.hero{
  padding: 46px 0 18px;
}

.hero__grid{
  display:grid;
  gap: 28px;
  grid-template-columns: 1.2fr .9fr;
  align-items:start;
}

@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
}

.h1{
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.08;
  margin: 0 0 10px;
  letter-spacing: .01em;
}

.h2{
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 14px;
}

.h3{
  margin: 22px 0 8px;
  font-size: 18px;
  letter-spacing: .02em;
}

.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 18px;
}

.hook{
  margin: 18px 0;
  font-size: 18px;
  letter-spacing: .01em;
}

.hook__line{ color: var(--muted); }
.hook__line--accent{
  color: var(--fg);
}

/* Séparateurs doux */
.divider{
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin: 18px 0;
}

/* ===========================
   Bloc comparaison (doit ressortir)
   =========================== */

.compare{
  margin: 18px 0;
  padding: 16px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(260px 90px at 12% 25%, rgba(30,41,59,.08), transparent 65%),
    radial-gradient(260px 90px at 85% 35%, rgba(249,115,22,.10), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.82));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

/* barre verticale signature */
.compare::before{
  content:"";
  position:absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(249,115,22,.18);
  opacity: .95;
}

.compare__line{
  margin: 0;
  padding-left: 12px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: .01em;
}

.compare__line + .compare__line{
  margin-top: 10px;
}

.compare__line--muted{
  color: rgba(15,23,42,.72);
  font-weight: 650;
}

.compare__line--focus{
  color: var(--fg);
  font-weight: 900;
  font-size: 20px;
}

.compare__brand{
  color: var(--fg);
}

.compare__accent{
  background: rgba(249,115,22,.10);
  border: 1px solid rgba(249,115,22,.22);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

/* mobile compare */
@media (max-width: 520px){
  .compare{ padding: 14px 14px; }
  .compare__line{ font-size: 17px; }
  .compare__line--focus{ font-size: 19px; }
}

/* ===========================
   Badges
   =========================== */

.badge::before{
  content: attr(data-ico);
  width: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.78));
  color: rgba(15,23,42,.82);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: .01em;
  box-shadow: 0 10px 22px rgba(15,23,42,.06);
}

/* Drapeau France CSS (fiable, pas d'emoji) */
.badge--fr{
  border-color: rgba(249,115,22,.20);
}

.badge--fr::before{
  content: "";
  width: 18px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
  margin-right: 8px;

  /* Bleu / Blanc / Rouge */
  background: linear-gradient(90deg,
    #0055A4 0 33%,
    #FFFFFF 33% 66%,
    #EF4135 66% 100%
  );

  border: 1px solid rgba(15,23,42,.18);
  box-shadow: 0 6px 14px rgba(15,23,42,.10);
}


/* ===========================
   Colonne droite (offre + media + specs)
   =========================== */

.hero__aside{
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-self: start;
}

/* Sticky aside (desktop) */
@media (min-width: 980px){
  .hero__aside{
    position: sticky;
    top: 110px;
  }
}

/* OFFRE */
.offer{
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.97), rgba(255,255,255,.84));
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.price{
  border: 1px solid rgba(15,23,42,.10);
  background:
    radial-gradient(160px 80px at 20% 20%, rgba(249,115,22,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.85));
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: 0 12px 30px rgba(15,23,42,.08);
  min-width: 240px;
}

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

.price__old{
  font-size: 20px;
  font-weight: 800;
  color: rgba(15,23,42,.45);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(239,68,68,.70); /* rouge discret */
  letter-spacing: .02em;
}

.price__tag{
  font-size: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(249,115,22,.28);
  background: rgba(249,115,22,.10);
  color: rgba(124,45,18,.95);
  font-weight: 800;
}

.price__now{
  font-size: 36px;
  font-weight: 900;
  color: var(--fg);
}

.price__impact{
  margin-top: 6px;
  font-size: 13px;
  font-weight: 900;
  color: #166534; /* vert sobre */
  letter-spacing: .04em;
  text-transform: uppercase;
}

.price__note{
  color: rgba(15,23,42,.68);
  font-size: 13px;
  margin-top: 2px;
}

/* Boutons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.12);
  font-weight: 900;
  letter-spacing: .02em;
  cursor: pointer;
  user-select:none;
}

.btn--primary{
  border: 0;
  background: linear-gradient(180deg, var(--accent), #EA580C);
  color: #fff;
  box-shadow: 0 18px 44px rgba(249,115,22,.22);
}

.btn--primary:hover{
  transform: translateY(-1px);
  filter: brightness(1.02);
  box-shadow: 0 22px 54px rgba(249,115,22,.26);
}

.offer__btn{
  width: 100%;
  margin-top: 12px;
}

.fine{
  width: 100%;
  margin: 10px 0 0;
  color: rgba(15,23,42,.70);
  font-size: 13px;
}

.fine a{
  color: var(--calm);
  border-bottom: 1px solid rgba(15,23,42,.18);
}
.fine a:hover{
  color: var(--accent);
  border-bottom-color: rgba(249,115,22,.35);
}

/* ===========================
   Media (image)
   =========================== */

.media{
  margin:0;
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

/* Variante "aside" (ta structure) */
.media--aside{
  max-height: 260px;
  overflow: hidden;
}

.media img{
  width:100%;
  height:auto;
  display:block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 50% 55%;
}

.media--aside img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.media__caption{
  padding: 10px 12px;
  color: rgba(15,23,42,.64);
  font-size: 13px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.85);
}

/* ===========================
   Specs
   =========================== */

.specs{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.spec{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(160px 60px at 15% 40%, rgba(30,41,59,.08), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.82));
  padding: 12px 14px;
  box-shadow: 0 10px 24px rgba(15,23,42,.08);
}

.spec__k{
  color: rgba(15,23,42,.58);
  font-size: 12px;
  letter-spacing:.06em;
  text-transform: uppercase;
}

.spec__v{
  margin-top: 2px;
  font-weight: 800;
  color: var(--fg);
}

/* ===========================
   Sections / Cards
   =========================== */

.section{
  padding: 34px 0 54px;
}

.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(220px 80px at 12% 10%, rgba(249,115,22,.08), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.82));
  padding: 18px 18px;
  box-shadow: var(--shadow);
}

.summary{
  margin: 0;
  font-weight: 900;
  color: var(--fg);
}

.mini-links{
  margin-top: 16px;
  display:flex;
  flex-wrap:wrap;
  gap: 14px;
}

.link{
  color: rgba(15,23,42,.70);
  border-bottom: 1px solid rgba(15,23,42,.18);
  padding-bottom: 2px;
}

.link:hover{
  color: var(--accent);
  border-bottom-color: rgba(249,115,22,.35);
}

/* ===========================
   Footer
   =========================== */

.footer{
  border-top: 1px solid var(--line);
  padding: 18px 0;
  background: rgba(255,255,255,.72);
}

.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.footer__left{
  display:flex;
  flex-direction:column;
  gap: 6px;
}

/* ===========================
   CGV additions
   =========================== */

.legal__list{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(15,23,42,.72);
}

.legal__list li{ margin: 6px 0; }

.legal__placeholder{
  opacity: .9;
  border-bottom: 1px dashed rgba(15,23,42,.30);
}

/* ===========================
   Mobile tweaks
   =========================== */

@media (max-width: 520px){
  .container{ width: min(1100px, calc(100% - 28px)); }
  .nav{ gap: 10px; }
  .nav__link{ padding: 8px 10px; }
  .brand__mark{ width: 58px; height: 44px; }
  .price{ min-width: 100%; }
}
<a class="brand" href="./index.html" aria-label="Accueil">
  <span class="brand__mark">LRK</span>
  <span class="brand__name">LAREKA</span>
  <span class="brand__tagline">Anticiper · Structurer · Protéger</span>
</a>
.brand{
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__tagline{
  margin-top: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(15,23,42,.55);
}