/* ================================================================
   PORTFOLIO — FEUILLE DE STYLE (CSS)
   Style simple, sobre, factuel et professionnel
   Inspiré des tokens de design-token.css
   ================================================================ */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-background);
  color: var(--color-on-background);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* ----------------------------------------------------------------
   CONTENEUR PRINCIPAL
   ---------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ----------------------------------------------------------------
   BARRE DE NAVIGATION
   ---------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-background);
  border-bottom: 2px solid var(--color-on-surface);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.site-title {
  font-family: var(--font-headline);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  color: var(--color-on-surface);
  font-family: var(--font-label);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.nav-link:hover {
  background-color: var(--color-surface-container);
  transform: translateY(-1px);
}

/* ----------------------------------------------------------------
   CONTENU & SECTIONS
   ---------------------------------------------------------------- */

.main-content {
  padding: 40px 20px 60px 20px;
}

.intro-section {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-outline-variant);
  margin-bottom: 40px;
}

.page-title {
  margin: 0 0 8px 0;
}

.intro-text {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-size: 1.05rem;
}

.section-block {
  margin-bottom: 44px;
}

.section-title {
  margin: 0 0 16px 0;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-on-surface);
  display: inline-block;
}

.subsection {
  margin-bottom: 20px;
}

.subsection-title {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: var(--color-on-surface);
}

/* ----------------------------------------------------------------
   CARTES & LISTES
   ---------------------------------------------------------------- */

.item-card {
  background-color: var(--color-surface-container);
  border: var(--border-interactive);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-organic);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.item-card:hover {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 rgba(0, 33, 23, 0.18);
}

.experience-entry {
  margin-bottom: 20px;
}

.experience-entry:last-child {
  margin-bottom: 0;
}

.item-title {
  margin: 0 0 10px 0;
  font-size: 1.15rem;
  font-family: var(--font-headline);
  font-weight: 700;
}

.item-desc {
  margin: 0 0 10px 0;
  font-size: 0.98rem;
}

.simple-list {
  margin: 0;
  padding-left: 22px;
}

.simple-list li {
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.simple-list li:last-child {
  margin-bottom: 0;
}

.nested-list {
  margin-top: 6px;
  padding-left: 20px;
}

.nested-list li {
  margin-bottom: 6px;
}

/* ----------------------------------------------------------------
   PIED DE PAGE (FOOTER)
   ---------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-outline-variant);
  padding: 24px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-on-surface-variant);
}

.site-footer p {
  margin: 0;
}

/* ----------------------------------------------------------------
   RESPONSIVE
   ---------------------------------------------------------------- */

@media (max-width: 640px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav-links {
    gap: 8px;
  }

  .item-card {
    padding: 16px;
  }
}