/* ==========================================================
   Institut-Phare — Style commun des fiches
   Ambiance : littoral, lumière, sobriété, lisibilité
   ========================================================== */

:root {
  --bg: #fff5e0;            /* sable très clair */
  --sea: #aae6f7;           /* bleu mer pastel */
  --card: #ffffffcc;        /* blanc chaud translucide */
  --maincard: #ffffff73;        /* blanc chaud translucide */
  --accent: #31a7be;        /* bleu côtier */
  --accent2: #ecce91;       /* sable doré */
  --text: #243333;          /* gris-vert doux */
  --muted: #5f7777;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(180deg, var(--sea) 0%, var(--bg) 65%);
  color: var(--text);
  line-height: 1.7;
}

/* =============================
   Layout général
   ============================= */

.content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 5rem 2rem 6rem;
}

/* =============================
   Header de page
   ============================= */
header {
  padding: 5rem 2rem 4rem;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--sand-300);
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
  }

header h1 span {
  color: var(--accent);
}

header p {
  max-width: 760px;
  font-size: 1.15rem;
  color: var(--muted);
}


.page-header {
  text-align: center;
  margin-bottom: 4rem;
}

.page-header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.page-intro {
  max-width: 760px;
  margin: 0 auto 1.2rem;
  font-size: 1.1rem;
  color: var(--muted);
}

.tag {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
}






/* =============================
   Page principale
   ============================= */
   
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  text-align: center;
}

.hero-logo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  background-color: #ffffff;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}


.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}


.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.hero-inspiration {
  font-size: 1.2rem;
  line-height: 1.7;
  font-weight: 400;
  color: #3a4f4f;
  max-width: 760px;
  margin: 0 auto;
  font-style: italic;
  position: relative;
}

.hero-inspiration::before {
  content: "''";
  position: absolute;
  left: -1.2rem;
  top: -0.6rem;
  font-size: 3rem;
  color: var(--accent2);
  opacity: 0.4;
}

.hero-inspiration::after {
  content: "''";
  position: absolute;
  right: -1.1rem;
  bottom: -1.6rem;
  font-size: 3rem;
  color: var(--accent2);
  opacity: 0.4;
}


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

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }

.section {
  margin-bottom: 5rem;
}

.section-alt {
  padding-top: 3rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.section h2 {
  font-size: 1.7rem;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.section-lead {
  max-width: 820px;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  color: var(--muted);
}

/* =============================
   Tuiles doctrinales
   ============================= */

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}


.tiles-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 900px) {
  .tiles-3 {
    grid-template-columns: 1fr;
  }
}

.maintile {
  background: var(--maincard);
  backdrop-filter: blur(6px);
  border-radius: 22px;
  padding: 2rem;
  cursor: pointer;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.maintile h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
}

.maintile p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.tile {
  background: var(--card);
  backdrop-filter: blur(6px);
  border-radius: 22px;
  padding: 2rem;
  cursor: pointer;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.tile:hover {
      transform: translateY(-6px);
      box-shadow: 0 18px 40px rgba(0,0,0,0.12);
}

.tile-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.tile h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
}

.tile p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.tile .tag {
      display: inline-block;
      margin-top: 1.2rem;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent2);
}


/* =============================
   Scénarios
   ============================= */

.scenario {
  background: var(--card);
  border-radius: 22px;
  padding: 2.2rem;
  margin-bottom: 2rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.scenario h3 {
  margin-top: 0;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.scenario p {
  font-size: 0.95rem;
  color: var(--muted);
}

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

footer {
  margin-top: 5rem;
  padding: 3rem 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer span {
  color: var(--accent);
}

.page-footer {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.page-footer h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.page-footer ul {
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.page-footer li {
  margin-bottom: 0.6rem;
}


/* =========================
   SECTION BUDGET
========================= */

.section-budget {
  margin-top: 6rem;
}

.section-budget .section-lead {
  max-width: 860px;
}

/* Grille des cartes budget */
.budget-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 900px) {
  .budget-grid {
    grid-template-columns: 1fr;
  }
}

/* Carte budget standard */
.budget-card {
  background: var(--card);
  backdrop-filter: blur(6px);
  border-radius: 22px;
  padding: 2rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.budget-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.12);
}

.budget-card h3 {
  margin-top: 0;
  margin-bottom: 0.9rem;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.budget-card p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.budget-card ul {
  padding-left: 1.2rem;
  margin: 0;
}

.budget-card li {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

/* Cartes mises en avant (chiffres clés) */
.budget-card.highlight {
  background: linear-gradient(
    180deg,
    rgba(49, 167, 190, 0.18),
    rgba(255, 255, 255, 0.75)
  );
  border: 1px solid rgba(49, 167, 190, 0.25);
}

.budget-card.highlight h3 {
  color: var(--text);
}

/* Montants clés */
.budget-amount {
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0.6rem 0 0.8rem;
  letter-spacing: -0.01em;
}

.budget-note {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Conclusion de section */
.budget-conclusion {
  margin-top: 3rem;
  max-width: 820px;
  font-size: 1.05rem;
  color: #3a4f4f;
  font-style: italic;
  position: relative;
  padding-left: 1.2rem;
}

.budget-conclusion::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent2);
}


/* =============================
   Tuile de synthèse – Solde
   ============================= */

.budget-summary {
  display: flex;
  justify-content: center;
  margin: 3.5rem 0 2.5rem;
}

.budget-final {
  max-width: 420px;
  text-align: center;
  padding: 2.4rem 2.6rem;
}

.budget-final h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.budget-final .budget-amount {
  font-size: 2.2rem;
  margin: 0.8rem 0 1rem;
}

.budget-final .budget-note {
  font-size: 0.95rem;
  color: var(--muted);
}




/* =============================
   Budget global – éléments spécifiques
   ============================= */

.budget-amount {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0.8rem 0;
}

.budget-amount.positive {
  color: var(--accent);
}

.budget-amount.negative {
  color: #9a4a4a;
}

.budget-overview .tile {
  text-align: center;
}

.budget-overview .tile p {
  font-size: 0.95rem;
}

.budget-summary {
  display: flex;
  justify-content: center;
  margin: 3.5rem 0 2.5rem;
}

.budget-final {
  max-width: 460px;
  text-align: center;
}


/* =============================
   Bouton accès Budget global
   ============================= */

.budget-cta {
  text-align: center;
  margin: 4rem 0 2rem;
}

.budget-button {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.budget-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.18);
}