/* ==========================================================================
   FASESIF — Components
   ========================================================================== */

/* ---- Site header --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(252, 249, 242, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-outline-variant);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gutter);
  padding-block: 20px;
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav__link {
  font-family: var(--font-body);
  font-size: var(--type-label-caps-size);
  font-weight: var(--type-label-caps-weight);
  letter-spacing: var(--type-label-caps-tracking);
  text-transform: uppercase;
  color: var(--color-on-surface);
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav__link:hover { color: var(--color-primary); }

.site-nav__link[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  color: var(--color-on-surface);
}

.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    /* On ancre le menu sous le header et il occupe tout le reste de l'écran */
    top: 100%; 
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - 100%);
    
    /* Fond parfaitement opaque et z-index au-dessus de tout le contenu de la page */
    background-color: var(--color-surface, #fcf9f2);
    z-index: 1000;
    
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 24px var(--margin-mobile);
    overflow-y: auto; /* Permet de scroller si l'écran est petit */

    /* Animation d'affichage */
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav__link {
    width: 100%;
    padding-block: 14px;
    border-bottom: 1px solid var(--color-outline-variant);
  }

  .nav-toggle { 
    display: inline-flex; 
  }

  .site-header__actions .btn { 
    display: none; 
  }
  
  .site-nav .btn { 
    display: inline-flex; 
    margin-top: 12px; 
    width: 100%; /* S'assure que le bouton prend la largeur si besoin */
    justify-content: center;
  }
}

/* ---- Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-default);
  font-family: var(--font-body);
  font-size: var(--type-label-caps-size);
  font-weight: var(--type-label-caps-weight);
  letter-spacing: var(--type-label-caps-tracking);
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-container) 100%);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-on-surface);
  border-color: var(--color-outline-variant);
}

.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-on-image {
  background: rgba(28, 28, 24, 0.35);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
}

.btn-on-image:hover { background: rgba(28, 28, 24, 0.5); }

.btn-success {
  background: var(--color-secondary);
  color: var(--color-on-secondary);
}

.btn-success:hover { background: var(--color-on-secondary-container); }

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-outline-variant);
}

.btn-block { width: 100%; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
  vertical-align: -2px;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

.form-error {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--color-error-container);
  color: var(--color-on-error-container);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  margin-top: 20px;
}

/* ---- Chips / badges --------------------------------------------------------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--type-label-caps-size);
  font-weight: var(--type-label-caps-weight);
  letter-spacing: var(--type-label-caps-tracking);
  text-transform: uppercase;
  border: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-lowest);
  color: var(--color-on-surface-variant);
}

.chip--secondary {
  background: rgba(156, 246, 188, 0.2);
  border-color: rgba(0, 109, 64, 0.3);
  color: var(--color-on-secondary-container);
}

.chip--dark {
  background: rgba(28, 28, 24, 0.55);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  backdrop-filter: blur(4px);
}

.chip--gold {
  background: rgba(196, 160, 40, 0.16);
  border-color: rgba(196, 160, 40, 0.4);
  color: var(--color-on-tertiary-container);
}

/* ---- Cards ------------------------------------------------------------------ */

.card {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: var(--card-padding);
}

@media (max-width: 720px) {
  .card { padding: var(--card-padding-mobile); }
}

.card--filled {
  background: linear-gradient(160deg, var(--color-primary-container) 0%, var(--color-primary) 100%);
  color: var(--color-on-primary);
  border-color: transparent;
}

.card--filled .card__title,
.card--filled h3 { color: var(--color-on-primary); }

.card__icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  margin-bottom: 24px;
}

.card--filled .card__icon {
  background: rgba(255, 255, 255, 0.16);
  color: var(--color-on-primary);
}

.card__icon svg { width: 24px; height: 24px; }

/* ---- Site footer -------------------------------------------------------------- */

.site-footer {
  background: var(--color-surface-container);
  border-top: 1px solid var(--color-outline-variant);
}

.site-footer__top {
  padding-block: 56px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.site-footer__brand .site-header__logo { margin-bottom: 12px; display: block; }

.site-footer__desc {
  max-width: 320px;
  color: var(--color-on-surface-variant);
}

.site-footer__social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-on-surface-variant);
  font-size: 14px;
}

.site-footer__social svg { width: 18px; height: 18px; }

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}

@media (max-width: 600px) {
  .site-footer__links { align-items: flex-start; }
}

.site-footer__bottom {
  border-top: 1px solid var(--color-outline-variant);
  padding-block: 20px;
  text-align: center;
  color: var(--color-on-surface-variant);
  font-size: 14px;
}

/* ---- Forms ---------------------------------------------------------------------- */

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }

.field__label {
  font-family: var(--font-body);
  font-size: var(--type-label-caps-size);
  font-weight: var(--type-label-caps-weight);
  letter-spacing: var(--type-label-caps-tracking);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  padding: 14px 16px;
  font-size: var(--type-body-md-size);
  color: var(--color-on-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field__input::placeholder,
.field__textarea::placeholder { color: var(--color-outline); }

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--color-primary-container);
  box-shadow: 0 0 0 3px rgba(149, 74, 0, 0.14);
}

.field__textarea { resize: vertical; min-height: 140px; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
}

.upload {
  border: 1px dashed var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background: var(--color-surface-container-low);
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.upload:hover, .upload:focus-visible { border-color: var(--color-primary-container); background: var(--color-surface-container); }

.upload__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-surface-container-highest);
  color: var(--color-primary);
}

.upload__icon svg { width: 20px; height: 20px; }

.upload__label {
  font-family: var(--font-body);
  font-size: var(--type-label-caps-size);
  font-weight: var(--type-label-caps-weight);
  letter-spacing: 0.04em;
  color: var(--color-on-surface);
  margin-bottom: 4px;
}

.upload__hint { font-size: 13px; color: var(--color-outline); }

.upload.has-file { border-style: solid; border-color: var(--color-secondary); background: rgba(156, 246, 188, 0.12); }
.upload.has-file .upload__icon { background: var(--color-secondary-container); color: var(--color-on-secondary-container); }

.upload input[type="file"] { display: none; }

/* ---- Stepper (multi-step candidature) ------------------------------------------- */

.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 48px auto;
  max-width: 640px;
}

.stepper__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  min-width: 90px;
}

.stepper__circle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--color-outline-variant);
  color: var(--color-outline);
  background: var(--color-surface);
  transition: all 0.2s ease;
}

.stepper__circle svg { width: 18px; height: 18px; }

.stepper__label {
  font-family: var(--font-body);
  font-size: var(--type-label-caps-size);
  font-weight: var(--type-label-caps-weight);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-outline);
  white-space: nowrap;
}

.stepper__line {
  flex: 1;
  height: 1px;
  background: var(--color-outline-variant);
  margin-bottom: 24px;
  min-width: 40px;
}

.stepper__step.is-done .stepper__circle {
  background: var(--color-secondary-container);
  border-color: var(--color-secondary);
  color: var(--color-on-secondary-container);
}
.stepper__step.is-done .stepper__label { color: var(--color-secondary); }
.stepper__step.is-done + .stepper__line { background: var(--color-secondary); }

.stepper__step.is-active .stepper__circle {
  background: var(--color-primary-container);
  border-color: var(--color-primary-container);
  color: var(--color-on-primary);
}
.stepper__step.is-active .stepper__label { color: var(--color-primary); }

.stepper--4 { max-width: 760px; gap: 8px; }
.stepper--4 .stepper__step { min-width: 70px; }
.stepper--4 .stepper__label { font-size: 10px; letter-spacing: 0.04em; }
.stepper--4 .stepper__circle { width: 36px; height: 36px; font-size: 14px; }

@media (max-width: 640px) {
  .stepper--4 { gap: 4px; }
  .stepper--4 .stepper__label { display: none; }
  .stepper--4 .stepper__line { min-width: 16px; }
}

/* ---- Hero (image + overlay) ------------------------------------------------------ */

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: #ffffff;
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(28,18,10,0.55) 0%, rgba(28,18,10,0.35) 35%, rgba(20,13,7,0.78) 100%);
}

.hero--compact { min-height: 520px; }

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 0 var(--margin-mobile);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero__eyebrow {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(28, 28, 24, 0.4);
  border: 1px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}

.hero__title { color: #ffffff; }

.hero__desc { color: rgba(255,255,255,0.88); max-width: 640px; }

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

/* ---- FAQ accordion ------------------------------------------------------------- */

.accordion__item {
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background: var(--color-surface-container-lowest);
  margin-bottom: 14px;
  overflow: hidden;
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
}

.accordion__trigger svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.2s ease; }

.accordion__item.is-open .accordion__trigger svg { transform: rotate(180deg); }

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.accordion__panel-inner {
  padding: 0 24px 22px;
  color: var(--color-on-surface-variant);
  line-height: 1.7;
}

/* ---- Misc ------------------------------------------------------------------------ */

.divider-accent {
  width: 56px;
  height: 3px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  margin-inline: auto;
}

.section-head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.watermark-icon {
  position: absolute;
  right: 16px;
  bottom: 8px;
  opacity: 0.08;
}

.watermark-icon svg { width: 90px; height: 90px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 100;
  border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus { left: 0; }