:root {
  --bg: #ffffff;
  --fg: #111111;
  --border: #111111;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  width: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: Arial, Helvetica, sans-serif;
}

img {
  display: block;
  max-width: 100%;
}

/* =========================
   PAGE D'ACCUEIL
========================= */

.home-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.logo-entry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(72vw, 420px);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.logo-entry:hover,
.logo-entry:focus-visible {
  transform: scale(1.02);
  opacity: 0.88;
}

.logo-entry:focus-visible,
.menu-card:focus-visible,
.secret-card:focus-visible {
  outline: 2px solid #000;
  outline-offset: 6px;
}

.logo-image {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* =========================
   PAGE MENU
========================= */

.menu-shell {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.menu-grid {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
}

.menu-card {
  width: 260px;
  flex-shrink: 0;
  text-decoration: none;
  color: var(--fg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: transform 0.25s ease;
}

.menu-card:hover,
.menu-card:focus-visible {
  transform: translateY(-6px);
}

.menu-image {
  width: 100%;
  height: 360px;
  object-fit: contain;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.menu-card:hover .menu-image,
.menu-card:focus-visible .menu-image {
  box-shadow: var(--shadow-hover);
}

.menu-label {
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

/* =========================
   SECTION DISCRÈTE
========================= */

.secret-card {
  width: 220px;
  height: 220px;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease;
}

.secret-card:hover,
.secret-card:focus-visible {
  transform: translateY(-6px);
  outline: none;
}

.secret-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  display: block;
}

/* =========================
   POPUP CODE SECRET
========================= */

.secret-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.secret-modal.is-visible {
  display: flex;
}

.secret-box {
  width: min(88vw, 360px);
  padding: 26px 28px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow-hover);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.secret-box label {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.secret-box input {
  width: 100%;
  padding: 11px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #ffffff;
  color: var(--fg);
  font-size: 1rem;
  text-align: center;
  outline: none;
}

.secret-box input:focus {
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

/* =========================
   TABLETTE
========================= */

@media (max-width: 980px) {
  .logo-entry {
    width: min(78vw, 380px);
  }

  .menu-grid {
    gap: 24px;
  }

  .menu-card {
    width: 200px;
  }

  .menu-image {
    height: 300px;
  }

  .secret-card {
    width: 180px;
    height: 180px;
  }
}

/* =========================
   ORDINATEUR — PYRAMIDE
========================= */

@media (min-width: 641px) {
  .menu-grid {
    flex-wrap: wrap;
    justify-content: center;
  }

  .secret-card {
    order: -1;
    flex-basis: 100%;
    margin: 0 auto 8px;
  }
}

/* =========================
   SMARTPHONE
========================= */

@media (max-width: 640px) {
  .home-shell {
    padding: 20px;
  }

  .logo-entry {
    width: min(82vw, 340px);
  }

  .menu-shell {
    padding: 28px 16px;
    align-items: flex-start;
  }

  .menu-grid {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  .menu-card {
    width: 80%;
    max-width: 320px;
  }

  .menu-image {
    height: auto;
  }

  .menu-label {
    font-size: 0.95rem;
  }

  .secret-card {
    order: 10;
    width: 80%;
    max-width: 320px;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .secret-modal {
    align-items: center;
    justify-content: center;
  }

  .secret-box {
    width: min(88vw, 340px);
  }
}