/* =========================================================
   VICOL — Layout
   ========================================================= */

section{ padding-block: var(--sp-8); }
.section-alt{ background: var(--c-surface); }
.section-dark{ background: var(--c-blue-dark); color: var(--c-white); }
.section-dark p{ color: rgba(255,255,255,.78); }
.section-dark h2{ color: var(--c-white); }

/* --- Header --- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: height var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.site-header.is-scrolled{
  height: var(--header-h-shrink);
  border-color: var(--c-line);
  box-shadow: var(--shadow-sm);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
}
.brand{ display: flex; align-items: center; flex-shrink: 0; }
.brand img{ height: 42px; width: auto; transition: height var(--dur-base) var(--ease); }
.site-header.is-scrolled .brand img{ height: 34px; }

.main-nav{ display: flex; align-items: center; gap: var(--sp-6); }
.main-nav ul{ display: flex; gap: var(--sp-5); }
.main-nav a{
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-ink);
  padding-block: 6px;
  position: relative;
}
.main-nav a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--c-blue);
  transition: right var(--dur-fast) var(--ease);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after{ right: 0; }
.main-nav a[aria-current="page"]{ color: var(--c-blue); }

.header-actions{ display: flex; align-items: center; gap: var(--sp-4); }
.lang-switch{ display: flex; gap: 6px; font-size: var(--fs-xs); font-weight: 700; }
.lang-switch button{ padding: 4px 6px; color: var(--c-ink-soft); }
.lang-switch button.is-active{ color: var(--c-blue); }

.nav-toggle{
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span{
  width: 22px; height: 2px; background: var(--c-ink);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* --- Hero --- */
.hero{
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-h);
  background: linear-gradient(160deg, var(--c-blue-dark) 0%, #1c3c62 60%, #16202B 100%);
  color: var(--c-white);
  overflow: hidden;
}
.hero__grid-motif{
  position: absolute; inset: 0;
  opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,.6) 55%, transparent);
}
.hero__media{
  position: absolute; inset: 0;
  z-index: 0;
}
.hero__media img{ width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.hero__media::after{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(22,32,43,.35) 0%, rgba(22,32,43,.85) 100%);
}
.hero .container{ position: relative; z-index: 1; padding-bottom: var(--sp-8); }
.hero__tag{
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-teal);
  margin-bottom: var(--sp-4);
}
.hero h1{
  color: var(--c-white);
  font-size: clamp(2.4rem, 5vw, var(--fs-5xl));
  max-width: 14ch;
  margin-bottom: var(--sp-4);
}
.hero p.lead{
  font-size: var(--fs-lg);
  color: rgba(255,255,255,.82);
  max-width: 52ch;
  margin-bottom: var(--sp-6);
}
.hero__actions{ display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.hero__scroll{
  position: absolute;
  bottom: var(--sp-5); left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.65);
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
  z-index: 1;
}
.hero__scroll .line{ width: 1px; height: 34px; background: currentColor; overflow: hidden; }
.hero__scroll .line::after{
  content: "";
  display: block; width: 100%; height: 40%;
  background: var(--c-teal);
  animation: scrollLine 1.8s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ transform: translateY(-100%); }
  100%{ transform: translateY(250%); }
}

/* --- Page header (pages internes) --- */
.page-header{
  padding-top: calc(var(--header-h) + var(--sp-7));
  padding-bottom: var(--sp-7);
  background: var(--c-blue-dark);
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}
.page-header .container{ position: relative; z-index: 1; }
.page-header h1{ color: var(--c-white); font-size: clamp(2rem, 4vw, var(--fs-4xl)); max-width: 18ch; }
.page-header .breadcrumb{ font-size: var(--fs-xs); color: rgba(255,255,255,.6); margin-bottom: var(--sp-3); }
.page-header .breadcrumb a{ color: rgba(255,255,255,.85); }
.page-header p{ color: rgba(255,255,255,.78); max-width: 60ch; margin-top: var(--sp-3); }

/* --- Grilles génériques --- */
.grid-2{ display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-7); align-items: center; }
.grid-2.is-reverse .grid-2__media{ order: 2; }
.media-frame{ position: relative; aspect-ratio: 5/4; overflow: hidden; background: var(--c-surface); }
.media-frame img{ width: 100%; height: 100%; object-fit: cover; }
.media-frame__badge{
  position: absolute; bottom: var(--sp-4); left: var(--sp-4);
  background: var(--c-white);
  padding: var(--sp-3) var(--sp-4);
  box-shadow: var(--shadow-md);
  max-width: 220px;
}
.media-frame__badge strong{ display: block; font-family: var(--font-display); font-size: var(--fs-2xl); color: var(--c-blue); }
.media-frame__badge span{ font-size: var(--fs-2xs); color: var(--c-ink-soft); }

/* --- CTA final --- */
.cta-band{
  background: var(--c-blue-dark);
  color: var(--c-white);
  padding-block: var(--sp-7);
}
.cta-band .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--c-white); font-size: var(--fs-2xl); max-width: 20ch; }
.cta-band__actions{ display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* --- Footer --- */
.site-footer{ background: #101823; color: rgba(255,255,255,.72); padding-top: var(--sp-8); }
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--sp-6);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand img{ height: 40px; margin-bottom: var(--sp-4); }
.footer-brand p{ color: rgba(255,255,255,.6); font-size: var(--fs-sm); max-width: 32ch; }
.footer-social{ display: flex; gap: 10px; margin-top: var(--sp-4); }
.footer-social a{
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.18);
  color: var(--c-white);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.footer-social a:hover{ background: var(--c-blue); border-color: var(--c-blue); }
.footer-social svg{ width: 17px; height: 17px; }

.footer-col h4{ color: var(--c-white); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .04em; margin-bottom: var(--sp-4); }
.footer-col ul{ display: flex; flex-direction: column; gap: 10px; }
.footer-col a{ font-size: var(--fs-sm); color: rgba(255,255,255,.65); transition: color var(--dur-fast) var(--ease); }
.footer-col a:hover{ color: var(--c-white); }
.footer-col address{ font-style: normal; font-size: var(--fs-sm); line-height: 1.7; }

.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
  padding-block: var(--sp-4);
  font-size: var(--fs-2xs);
  color: rgba(255,255,255,.45);
}
.footer-bottom a{ color: rgba(255,255,255,.6); }
.footer-bottom a:hover{ color: var(--c-white); }
.footer-legal{ display: flex; gap: var(--sp-4); flex-wrap: wrap; }

/* --- Bouton WhatsApp flottant --- */
.whatsapp-float{
  position: fixed;
  right: var(--sp-4);
  bottom: var(--sp-4);
  z-index: 900;
  width: 58px; height: 58px;
  background: #25D366;
  color: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
}
.whatsapp-float svg{ width: 28px; height: 28px; }
.whatsapp-float__pulse{
  position: absolute; inset: 0;
  border-radius: 50%;
  background: #25D366;
  animation: wa-pulse 2.6s var(--ease) infinite;
  z-index: -1;
}
@keyframes wa-pulse{
  0%{ transform: scale(1); opacity: .55; }
  100%{ transform: scale(1.7); opacity: 0; }
}
.whatsapp-float__tooltip{
  position: absolute;
  right: 68px; top: 50%;
  transform: translateY(-50%);
  background: var(--c-ink);
  color: var(--c-white);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 8px 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease);
}
.whatsapp-float:hover .whatsapp-float__tooltip{ opacity: 1; }

/* --- Back to top --- */
.back-to-top{
  position: fixed;
  right: var(--sp-4);
  bottom: 92px;
  z-index: 890;
  width: 44px; height: 44px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
}
.back-to-top.is-visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top svg{ width: 18px; height: 18px; color: var(--c-blue); }