diff --git a/backend/app/models/document.py b/backend/app/models/document.py
index adf7280..6a86bb6 100644
--- a/backend/app/models/document.py
+++ b/backend/app/models/document.py
@@ -1,7 +1,7 @@
 import uuid
 from datetime import datetime
 
-from sqlalchemy import String, Integer, Text, DateTime, ForeignKey, Uuid, func
+from sqlalchemy import String, Integer, Text, DateTime, ForeignKey, Uuid, Boolean, func
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.database import Base
@@ -19,10 +19,11 @@ class Document(Base):
     description: Mapped[str | None] = mapped_column(Text)
     ipfs_cid: Mapped[str | None] = mapped_column(String(128))
     chain_anchor: Mapped[str | None] = mapped_column(String(128))
+    genesis_json: Mapped[str | None] = mapped_column(Text)  # JSON: source files, repos, forum URLs, formula trigger
     created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
     updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
 
-    items: Mapped[list["DocumentItem"]] = relationship(back_populates="document", cascade="all, delete-orphan", order_by="DocumentItem.position")
+    items: Mapped[list["DocumentItem"]] = relationship(back_populates="document", cascade="all, delete-orphan", order_by="DocumentItem.sort_order")
 
 
 class DocumentItem(Base):
@@ -31,11 +32,14 @@ class DocumentItem(Base):
     id: Mapped[uuid.UUID] = mapped_column(Uuid, primary_key=True, default=uuid.uuid4)
     document_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("documents.id"), nullable=False)
     position: Mapped[str] = mapped_column(String(16), nullable=False)  # "1", "1.1", "3.2"
-    item_type: Mapped[str] = mapped_column(String(32), default="clause")  # clause, rule, verification, preamble, section
+    item_type: Mapped[str] = mapped_column(String(32), default="clause")  # clause, rule, verification, preamble, section, genesis
     title: Mapped[str | None] = mapped_column(String(256))
     current_text: Mapped[str] = mapped_column(Text, nullable=False)
     voting_protocol_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("voting_protocols.id"))
     sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    section_tag: Mapped[str | None] = mapped_column(String(64))  # genesis, fondamental, technique, annexe, formule, inertie, ordonnancement
+    inertia_preset: Mapped[str] = mapped_column(String(16), default="standard")  # low, standard, high, very_high
+    is_permanent_vote: Mapped[bool] = mapped_column(default=True)  # permanent vote vs time-bounded
     created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
     updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
 
diff --git a/backend/app/schemas/document.py b/backend/app/schemas/document.py
index d04efcc..697c979 100644
--- a/backend/app/schemas/document.py
+++ b/backend/app/schemas/document.py
@@ -42,6 +42,7 @@ class DocumentOut(BaseModel):
     description: str | None = None
     ipfs_cid: str | None = None
     chain_anchor: str | None = None
+    genesis_json: str | None = None
     created_at: datetime
     updated_at: datetime
     items_count: int = Field(default=0, description="Number of items in this document")
@@ -54,10 +55,13 @@ class DocumentItemCreate(BaseModel):
     """Payload for creating a document item (clause, rule, etc.)."""
 
     position: str = Field(..., max_length=16, description='Hierarchical position e.g. "1", "1.1", "3.2"')
-    item_type: str = Field(default="clause", max_length=32, description="clause, rule, verification, preamble, section")
+    item_type: str = Field(default="clause", max_length=32, description="clause, rule, verification, preamble, section, genesis")
     title: str | None = Field(default=None, max_length=256)
     current_text: str = Field(..., min_length=1)
     voting_protocol_id: UUID | None = None
+    section_tag: str | None = Field(default=None, max_length=64)
+    inertia_preset: str = Field(default="standard", max_length=16)
+    is_permanent_vote: bool = True
 
 
 class DocumentItemUpdate(BaseModel):
@@ -82,6 +86,9 @@ class DocumentItemOut(BaseModel):
     current_text: str
     voting_protocol_id: UUID | None = None
     sort_order: int
+    section_tag: str | None = None
+    inertia_preset: str = "standard"
+    is_permanent_vote: bool = True
     created_at: datetime
     updated_at: datetime
 
@@ -99,6 +106,9 @@ class DocumentItemFullOut(BaseModel):
     current_text: str
     voting_protocol_id: UUID | None = None
     sort_order: int
+    section_tag: str | None = None
+    inertia_preset: str = "standard"
+    is_permanent_vote: bool = True
     created_at: datetime
     updated_at: datetime
     versions: list[ItemVersionOut] = Field(default_factory=list)
@@ -118,6 +128,7 @@ class DocumentFullOut(BaseModel):
     description: str | None = None
     ipfs_cid: str | None = None
     chain_anchor: str | None = None
+    genesis_json: str | None = None
     created_at: datetime
     updated_at: datetime
     items: list[DocumentItemOut] = Field(default_factory=list)
diff --git a/backend/seed.py b/backend/seed.py
index a3a2a56..c130bfd 100644
--- a/backend/seed.py
+++ b/backend/seed.py
@@ -2,9 +2,17 @@
 
 Sources:
   - Engagement Forgeron v2.0.0: https://forum.monnaie-libre.fr/t/33165
-  - Engagement Certification (Licence G1): monnaie-libre.fr/licence-g1/
+  - Engagement Certification (Licence G1 v0.3.0):
+    https://git.duniter.org/documents/g1_monetary_license/-/raw/master/g1_monetary_license_fr.rst
+  - Charte 1.0 (rejected): https://forum.monnaie-libre.fr/t/proposition-charte-1-0/31066
+  - Licence v0.4.0 (in progress): https://forum.monnaie-libre.fr/t/32375
   - Runtime Upgrade process template
 
+Genesis references:
+  - Licence repo: https://git.duniter.org/documents/g1_monetary_license
+  - g1vote: https://git.duniter.org/tools/g1vote-view
+  - g1vote live: https://g1vote-view-237903.pages.duniter.org/
+
 Idempotent: checks if data already exists before inserting.
 """
 
@@ -12,6 +20,7 @@ from __future__ import annotations
 
 import asyncio
 import hashlib
+import json
 import uuid
 from datetime import datetime, timedelta, timezone
 
@@ -61,13 +70,47 @@ def fake_signature(payload: str) -> str:
 async def seed_formula_configs(session: AsyncSession) -> dict[str, FormulaConfig]:
     configs: dict[str, dict] = {
         "Standard Licence G1": {
-            "description": "Formule standard pour la Licence G1 : vote binaire WoT.",
+            "description": "Formule standard pour la Licence G1 : vote binaire WoT. Inertie standard.",
             "duration_days": 30,
             "majority_pct": 50,
             "base_exponent": 0.1,
             "gradient_exponent": 0.2,
             "constant_base": 0.0,
         },
+        "Inertie basse (Annexes)": {
+            "description": (
+                "Formule a inertie basse pour les annexes et recommandations. "
+                "Gradient faible = plus facile a remplacer meme a faible participation."
+            ),
+            "duration_days": 30,
+            "majority_pct": 50,
+            "base_exponent": 0.1,
+            "gradient_exponent": 0.1,
+            "constant_base": 0.0,
+        },
+        "Inertie haute (Formule)": {
+            "description": (
+                "Formule a inertie haute pour la section formule elle-meme. "
+                "Gradient eleve = necessite une forte mobilisation pour changer."
+            ),
+            "duration_days": 30,
+            "majority_pct": 60,
+            "base_exponent": 0.1,
+            "gradient_exponent": 0.4,
+            "constant_base": 0.0,
+        },
+        "Inertie tres haute (Meta-reglage)": {
+            "description": (
+                "Formule a inertie maximale pour le reglage de l'inertie elle-meme. "
+                "Quasi-unanimite requise a toute participation. Protection contre "
+                "la modification des regles de modification."
+            ),
+            "duration_days": 30,
+            "majority_pct": 66,
+            "base_exponent": 0.1,
+            "gradient_exponent": 0.6,
+            "constant_base": 0.0,
+        },
         "Forgeron avec Smith": {
             "description": "Vote forgeron avec critere Smith sub-WoT.",
             "duration_days": 30,
@@ -170,112 +213,599 @@ async def seed_voting_protocols(
 
 
 # ---------------------------------------------------------------------------
-# Seed: Engagement Certification (Licence G1 - obligations certificateur)
+# Seed: Engagement Certification (Acte d'engagement certification)
+#
+# Full structured document built from:
+#   - Licence G1 v0.3.0 (in force)
+#   - Charte 1.0 (rejected proposal, topic 31066)
+#   - Licence v0.4.0 (in progress, topic 32375)
+#   - Yvv's "Acte d'engagement" position
+#   - Checklist certification (topic 32412)
 # ---------------------------------------------------------------------------
 
+GENESIS_CERTIFICATION = {
+    "source_document": {
+        "title": "Licence de la monnaie libre G1 v0.3.0",
+        "url": "https://git.duniter.org/documents/g1_monetary_license/-/raw/master/g1_monetary_license_fr.rst",
+        "repo": "https://git.duniter.org/documents/g1_monetary_license",
+    },
+    "reference_tools": {
+        "g1vote_repo": "https://git.duniter.org/tools/g1vote-view",
+        "g1vote_live": "https://g1vote-view-237903.pages.duniter.org/",
+        "cesium": "https://g1.duniter.org",
+        "gecko": "https://gecko.music-all.org",
+    },
+    "forum_synthesis": [
+        {
+            "title": "Proposition Charte 1.0 (rejetee)",
+            "url": "https://forum.monnaie-libre.fr/t/proposition-charte-1-0/31066",
+            "status": "rejected",
+            "posts": 70,
+        },
+        {
+            "title": "Preparation licence v0.4.0",
+            "url": "https://forum.monnaie-libre.fr/t/preparation-dune-proposition-devolution-de-la-licence-1/32375",
+            "status": "in_progress",
+            "posts": 38,
+        },
+        {
+            "title": "Checklist de certification (annexe licence)",
+            "url": "https://forum.monnaie-libre.fr/t/prepa-checklist-de-certification-annexe-licence-1/32412",
+            "status": "in_progress",
+            "posts": 16,
+        },
+        {
+            "title": "Regles de modifications (annexe licence)",
+            "url": "https://forum.monnaie-libre.fr/t/prepa-regles-de-modifications-annexe-licence-1/32409",
+            "status": "in_progress",
+            "posts": 9,
+        },
+        {
+            "title": "Vote nuance licence",
+            "url": "https://forum.monnaie-libre.fr/t/processus-de-validation-licence-par-vote-nuance/31729",
+            "status": "reference",
+        },
+    ],
+    "formula_trigger": (
+        "Quand un item atteint le seuil d'adoption (formule WoT), "
+        "le texte de remplacement est integre au document officiel. "
+        "Le hash IPFS du document mis a jour est ancre on-chain via system.remark. "
+        "Les applications (Cesium, Gecko) pointent vers le depot git officiel "
+        "qui est synchronise avec l'etat valide par les votes."
+    ),
+    "contributors": [
+        {"name": "1000i100", "role": "Pilote principal, redacteur"},
+        {"name": "Natha", "role": "Co-redactrice"},
+        {"name": "Pini", "role": "Co-initiateur"},
+        {"name": "Yvv", "role": "Contributions structurelles, concepteur 'Acte d'engagement'"},
+        {"name": "elois", "role": "Dev g1vote, contributions techniques"},
+    ],
+}
+
+
 ENGAGEMENT_CERTIFICATION_ITEMS: list[dict] = [
+    # ===================================================================
+    # INTRODUCTION
+    # ===================================================================
     {
-        "position": "C1",
-        "item_type": "clause",
-        "title": "Transmission de la licence",
+        "position": "I1",
+        "item_type": "preamble",
+        "title": "Preambule",
         "sort_order": 1,
+        "section_tag": "introduction",
+        "inertia_preset": "standard",
         "current_text": (
-            "Toute operation de certification d'un nouveau membre de la monnaie libre G1 "
-            "doit prealablement s'accompagner de la transmission de cette licence "
-            "de la monnaie libre G1 au certifie."
+            "Le present acte d'engagement definit les obligations reciproques "
+            "des membres de la toile de confiance de la monnaie libre G1. "
+            "Cet acte est de fait l'unique relation contractuelle de notre "
+            "toile fiduciaire. Toute certification doit s'accompagner de la "
+            "transmission de ce document, dont le certificateur doit s'assurer "
+            "qu'il a ete etudie, compris et accepte par le certifie."
         ),
     },
     {
-        "position": "C2",
-        "item_type": "clause",
-        "title": "Connaissance suffisante du certifie",
+        "position": "I2",
+        "item_type": "preamble",
+        "title": "Les deux garanties reciproques",
         "sort_order": 2,
+        "section_tag": "introduction",
+        "inertia_preset": "standard",
         "current_text": (
-            "Certifier n'est pas uniquement s'assurer que vous avez rencontre la personne, "
-            "c'est assurer a la communaute G1 que vous connaissez suffisamment bien la "
-            "personne que vous vous appretez a certifier."
+            "La certification repose sur deux garanties reciproques :\n\n"
+            "**1.** Derriere une cle publique creatrice de monnaie "
+            "se trouve un **etre humain vivant**.\n\n"
+            "**2.** Derriere cet etre humain se trouve **une seule et unique** "
+            "cle publique creatrice de monnaie.\n\n"
+            "La certification est un acte technique et fiduciaire, "
+            "pas un acte d'adhesion morale ou de sympathie."
         ),
     },
+    # ===================================================================
+    # TITRE 1 : ENGAGEMENTS FONDAMENTAUX (sur l'honneur)
+    # ===================================================================
     {
-        "position": "C3",
-        "item_type": "clause",
-        "title": "Contact par plusieurs moyens",
+        "position": "T1",
+        "item_type": "section",
+        "title": "Engagements fondamentaux",
         "sort_order": 3,
+        "section_tag": "fondamental",
+        "inertia_preset": "standard",
         "current_text": (
-            "Connaitre la personne par plusieurs moyens de contact differents "
-            "(physique, electronique, etc.) permettant de verifier son identite "
-            "et de maintenir un lien de confiance dans la duree."
+            "Les engagements fondamentaux ci-dessous constituent le socle "
+            "irreductible de l'acte d'engagement. Ils sont pris sur l'honneur "
+            "par tout membre de la toile de confiance."
         ),
     },
     {
-        "position": "C4",
+        "position": "E1",
         "item_type": "clause",
-        "title": "Ne jamais certifier seul",
+        "title": "Unicite du compte",
         "sort_order": 4,
+        "section_tag": "fondamental",
+        "inertia_preset": "standard",
         "current_text": (
-            "Ne certifiez jamais seul, mais accompagne d'au moins un autre membre "
-            "de la TdC G1, pour garantir un double controle et eviter les "
-            "certifications abusives."
+            "Je m'engage sur l'honneur a n'avoir et n'avoir jamais "
+            "qu'un seul et unique compte cocreateur de monnaie G1."
         ),
     },
     {
-        "position": "C5",
-        "item_type": "verification",
-        "title": "Verification des certifications existantes",
+        "position": "E2",
+        "item_type": "clause",
+        "title": "Certification responsable",
         "sort_order": 5,
+        "section_tag": "fondamental",
+        "inertia_preset": "standard",
         "current_text": (
-            "Avant toute certification, assurez-vous de verifier si le compte du "
-            "certifie a deja recu une ou plusieurs certifications, et de qui "
-            "elles proviennent."
+            "Je m'engage sur l'honneur a ne certifier que des personnes "
+            "physiques qui respectent scrupuleusement ces deux presents "
+            "engagements fondamentaux."
         ),
     },
+    # ===================================================================
+    # TITRE 2 : ENGAGEMENTS TECHNIQUES
+    # ===================================================================
     {
-        "position": "C6",
-        "item_type": "verification",
-        "title": "Verification de maitrise du compte",
+        "position": "T2",
+        "item_type": "section",
+        "title": "Engagements techniques",
         "sort_order": 6,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
         "current_text": (
-            "Verifier la maitrise du compte par un transfert test : envoyer "
-            "quelques G1 et demander un renvoi, afin de s'assurer que la personne "
-            "controle bien sa cle privee."
+            "Les engagements techniques definissent les obligations "
+            "pratiques et verifiables du certificateur pour garantir "
+            "la qualite de la toile de confiance."
         ),
     },
     {
-        "position": "C7",
-        "item_type": "verification",
-        "title": "Verification de la licence",
+        "position": "E3",
+        "item_type": "clause",
+        "title": "Connaissance suffisante",
         "sort_order": 7,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
         "current_text": (
-            "Verifiez que vos contacts ont bien etudie et compris la licence G1 "
-            "a jour avant de proceder a la certification."
+            "Je me suis assure de connaitre suffisamment la personne "
+            "qui gere cette cle publique. Connaitre suffisamment ne signifie "
+            "pas « avoir vu » ; c'est assurer a la communaute G1 que je "
+            "pourrai la contacter facilement et etre en mesure de reperer "
+            "un double-compte ou tout autre probleme."
         ),
     },
     {
-        "position": "C8",
-        "item_type": "verification",
-        "title": "Document de revocation",
+        "position": "E4",
+        "item_type": "clause",
+        "title": "Verification personnelle de la cle",
         "sort_order": 8,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
         "current_text": (
-            "D'avoir bien verifie avec la personne concernee qu'elle a bien genere "
-            "son document Duniter de revocation de compte, et qu'elle le conserve "
+            "J'ai personnellement verifie que c'est bien cette cle publique "
+            "que je m'apprete a certifier, en la comparant avec la personne "
+            "concernee et non par un intermediaire."
+        ),
+    },
+    {
+        "position": "E5",
+        "item_type": "clause",
+        "title": "Joignabilite reciproque",
+        "sort_order": 9,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "Je suis joignable rapidement et facilement par mes certifieurs, "
+            "et je peux joindre rapidement et facilement les personnes que "
+            "je certifie, par plusieurs moyens de communication differents "
+            "et independants (physique, telephone, email, messagerie, etc.)."
+        ),
+    },
+    {
+        "position": "E6",
+        "item_type": "clause",
+        "title": "Document de revocation",
+        "sort_order": 10,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "J'ai verifie avec la personne certifiee qu'elle a bien genere "
+            "son document de revocation de compte et qu'elle le conserve "
             "en lieu sur."
         ),
     },
     {
-        "position": "C9",
+        "position": "E7",
         "item_type": "clause",
-        "title": "Rencontre physique ou multi-canal",
-        "sort_order": 9,
+        "title": "Rencontre physique ou verification multi-canaux",
+        "sort_order": 11,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
         "current_text": (
-            "De rencontrer la personne physiquement, OU de verifier a distance "
-            "le lien personne / cle publique par plusieurs moyens de communication "
-            "differents et independants."
+            "J'ai rencontre la personne physiquement (preferable), **OU** "
+            "j'ai verifie a distance le lien personne / cle publique par "
+            "plusieurs moyens de communication differents et independants : "
+            "courrier + reseau social + forum + email + visio + telephone."
+        ),
+    },
+    # ===================================================================
+    # TITRE 3 : CONSEILS ET BONNES PRATIQUES
+    # ===================================================================
+    {
+        "position": "T3",
+        "item_type": "section",
+        "title": "Conseils et bonnes pratiques",
+        "sort_order": 12,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "Les pratiques suivantes sont fortement recommandees pour "
+            "garantir la qualite et la securite de la toile de confiance."
+        ),
+    },
+    {
+        "position": "E8",
+        "item_type": "clause",
+        "title": "Ne jamais certifier seul",
+        "sort_order": 13,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "Ne certifiez jamais seul, mais accompagne d'au moins un autre "
+            "membre de la toile de confiance G1, pour garantir un double "
+            "controle."
+        ),
+    },
+    {
+        "position": "E9",
+        "item_type": "clause",
+        "title": "Verification des certifications existantes",
+        "sort_order": 14,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "Avant toute certification, verifiez si le compte a deja "
+            "recu des certifications et de qui elles proviennent. "
+            "Contactez les certifieurs existants en cas de doute. "
+            "Si un certifieurs existant ne connait pas la personne, "
+            "alertez immediatement les experts de la communaute."
+        ),
+    },
+    {
+        "position": "E10",
+        "item_type": "clause",
+        "title": "Verification de maitrise du compte",
+        "sort_order": 15,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "Verifiez la maitrise du compte par un transfert-test : "
+            "envoyez quelques G1 et demandez le renvoi, afin de vous "
+            "assurer que la personne controle bien sa cle privee."
+        ),
+    },
+    {
+        "position": "E11",
+        "item_type": "clause",
+        "title": "Transmission et comprehension du document",
+        "sort_order": 16,
+        "section_tag": "technique",
+        "inertia_preset": "standard",
+        "current_text": (
+            "Verifiez que vos contacts ont bien etudie et compris "
+            "le present acte d'engagement dans sa version a jour "
+            "avant de proceder a la certification."
+        ),
+    },
+    # ===================================================================
+    # CONCLUSION
+    # ===================================================================
+    {
+        "position": "K1",
+        "item_type": "preamble",
+        "title": "Regles abregees de la toile de confiance",
+        "sort_order": 17,
+        "section_tag": "conclusion",
+        "inertia_preset": "standard",
+        "current_text": (
+            "**Parametres protocolaires en vigueur :**\n\n"
+            "- Stock de **100 certifications** possibles\n"
+            "- 1 certification emissible tous les **5 jours**\n"
+            "- Nouveau compte valide si **>= 5 certifications** recues en **2 mois**\n"
+            "- Condition de distance : **<= 5 pas** de **80% des sentinelles**\n"
+            "- Sentinelle : membre ayant recu et emis >= Y[N] certifs "
+            "(Y = ceil(N^(1/5)))\n"
+            "- Certifications actives valables **2 ans**\n"
+            "- Renouvellement de l'accord tous les **12 mois**"
+        ),
+    },
+    {
+        "position": "K2",
+        "item_type": "preamble",
+        "title": "Monnaie G1",
+        "sort_order": 18,
+        "section_tag": "conclusion",
+        "inertia_preset": "standard",
+        "current_text": (
+            "**Parametres monetaires :**\n\n"
+            "- 1 Dividende Universel (DU) par personne par jour\n"
+            "- Reevaluation a chaque equinoxe : "
+            "`DU(n+1) = DU(n) + c² × (M/N) / 182.625` avec c = 4.88%\n"
+            "- DU(0) = 10.00 G1"
+        ),
+    },
+    # ===================================================================
+    # ANNEXE 1 : INTEGRATION LOGICIELLE
+    # ===================================================================
+    {
+        "position": "X1",
+        "item_type": "section",
+        "title": "Annexe 1 : Integration logicielle",
+        "sort_order": 19,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "Les obligations pour les logiciels implementant la certification G1."
+        ),
+    },
+    {
+        "position": "X1.1",
+        "item_type": "clause",
+        "title": "Depot de reference",
+        "sort_order": 20,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "Le texte de reference de l'acte d'engagement certification est "
+            "heberge dans le depot git officiel : "
+            "https://git.duniter.org/documents/g1_monetary_license\n\n"
+            "Les applications Cesium, Gecko et toute application de "
+            "certification doivent pointer vers ce depot pour afficher "
+            "la version en vigueur."
+        ),
+    },
+    {
+        "position": "X1.2",
+        "item_type": "clause",
+        "title": "Obligation de transmission",
+        "sort_order": 21,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "Tout logiciel G1 permettant la certification doit transmettre "
+            "le present acte d'engagement au certifie et en afficher les "
+            "parametres du bloc 0 de la blockchain Duniter."
+        ),
+    },
+    {
+        "position": "X1.3",
+        "item_type": "clause",
+        "title": "Logiciel auditable",
+        "sort_order": 22,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "Tout logiciel utilise pour la certification ou la creation "
+            "monetaire doit etre publie sous licence libre, afin de "
+            "permettre son audit par la communaute."
+        ),
+    },
+    # ===================================================================
+    # ANNEXE 2 : QUESTIONS A LA CERTIFICATION (checklist logicielle)
+    # ===================================================================
+    {
+        "position": "X2",
+        "item_type": "section",
+        "title": "Annexe 2 : Questions a la certification",
+        "sort_order": 23,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "Liste de questions a presenter dans les logiciels de certification. "
+            "Inspiree de la checklist de la Charte 1.0 et des discussions "
+            "forum (topic 32412)."
+        ),
+    },
+    {
+        "position": "X2.1",
+        "item_type": "verification",
+        "title": "Questions piege (reponse attendue : NON)",
+        "sort_order": 24,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "**Si OUI a l'une de ces questions, la certification doit etre refusee.**\n\n"
+            "- La personne m'a contacte uniquement pour obtenir ma certification\n"
+            "- Je certifie sous la pression ou pour faire plaisir\n"
+            "- Je n'ai aucun moyen de verifier l'identite de la personne\n"
+            "- La personne refuse de me donner plusieurs moyens de contact\n"
+            "- Je soupçonne que la personne possede deja un compte membre\n"
+            "- Je ne connais aucun de ses autres certifieurs\n"
+            "- La personne ne comprend pas ce qu'est la monnaie libre\n"
+            "- La personne n'a pas lu le present acte d'engagement"
+        ),
+    },
+    {
+        "position": "X2.2",
+        "item_type": "verification",
+        "title": "Questions identite (reponse attendue : OUI)",
+        "sort_order": 25,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "**Si NON a l'une de ces questions, la certification doit etre refusee.**\n\n"
+            "- Je connais cette personne suffisamment pour la recontacter\n"
+            "- J'ai verifie personnellement le lien personne / cle publique\n"
+            "- La personne est une personne physique vivante (pas une entite morale)\n"
+            "- Je pourrais reconnaitre cette personne si je la croisais\n"
+            "- J'ai au moins 2 moyens de contact differents pour cette personne"
+        ),
+    },
+    {
+        "position": "X2.3",
+        "item_type": "verification",
+        "title": "Questions securite (reponse attendue : OUI)",
+        "sort_order": 26,
+        "section_tag": "annexe",
+        "inertia_preset": "low",
+        "current_text": (
+            "**Si NON, la certification est deconseille.**\n\n"
+            "- La personne a genere son document de revocation\n"
+            "- La personne maitrise effectivement son compte "
+            "(test de transfert effectue)\n"
+            "- La personne sait ou retrouver le present acte d'engagement "
+            "dans sa version a jour"
+        ),
+    },
+    # ===================================================================
+    # SECTION SPECIALE : FORMULE DE VOTE
+    # ===================================================================
+    {
+        "position": "F1",
+        "item_type": "section",
+        "title": "Formule de vote",
+        "sort_order": 27,
+        "section_tag": "formule",
+        "inertia_preset": "high",
+        "current_text": (
+            "La formule qui regit l'adoption ou le rejet de chaque modification "
+            "du present document. Reference : g1vote "
+            "(https://g1vote-view-237903.pages.duniter.org/)."
+        ),
+    },
+    {
+        "position": "F1.1",
+        "item_type": "rule",
+        "title": "Formule du seuil WoT",
+        "sort_order": 28,
+        "section_tag": "formule",
+        "inertia_preset": "high",
+        "current_text": (
+            "**Seuil = C + B^W + (M + (1-M) × (1 - (T/W)^G)) × max(0, T-C)**\n\n"
+            "Ou :\n"
+            "- **C** = constante de base (plancher fixe)\n"
+            "- **B** = exposant de base (B^W tend vers 0)\n"
+            "- **W** = taille de la toile de confiance (electeurs eligibles)\n"
+            "- **T** = total des votes exprimes (pour + contre)\n"
+            "- **M** = ratio de majorite cible (M = majority_pct / 100)\n"
+            "- **G** = exposant du gradient d'inertie\n\n"
+            "**Comportement :** Faible participation → quasi-unanimite requise. "
+            "Forte participation → majorite simple M suffit."
+        ),
+    },
+    {
+        "position": "F1.2",
+        "item_type": "rule",
+        "title": "Parametres par defaut",
+        "sort_order": 29,
+        "section_tag": "formule",
+        "inertia_preset": "high",
+        "current_text": (
+            "Parametres de reference pour les engagements (inertie standard) :\n\n"
+            "| Parametre | Code | Valeur |\n"
+            "|-----------|------|--------|\n"
+            "| Duree | D | 30 jours (permanent) |\n"
+            "| Majorite | M | 50% |\n"
+            "| Base | B | 0.1 |\n"
+            "| Gradient | G | 0.2 |\n"
+            "| Constante | C | 0.0 |\n\n"
+            "Mode compact : **D30M50B.1G.2**"
+        ),
+    },
+    {
+        "position": "F1.3",
+        "item_type": "rule",
+        "title": "Processus de depot officiel",
+        "sort_order": 30,
+        "section_tag": "formule",
+        "inertia_preset": "high",
+        "current_text": (
+            "Lorsqu'une proposition alternative atteint le seuil d'adoption :\n\n"
+            "1. Le texte de remplacement est integre au document officiel\n"
+            "2. Le hash IPFS du document mis a jour est calcule\n"
+            "3. Le hash est ancre on-chain via `system.remark`\n"
+            "4. Le depot git officiel est synchronise\n"
+            "5. Les applications (Cesium, Gecko) mettent a jour automatiquement"
+        ),
+    },
+    # ===================================================================
+    # SECTION SPECIALE : REGLAGE DE L'INERTIE
+    # ===================================================================
+    {
+        "position": "N1",
+        "item_type": "section",
+        "title": "Reglage de l'inertie",
+        "sort_order": 31,
+        "section_tag": "inertie",
+        "inertia_preset": "very_high",
+        "current_text": (
+            "Le reglage de l'inertie definit la difficulte de remplacement "
+            "de chaque section du document. Ce reglage est lui-meme soumis "
+            "a l'inertie la plus elevee, pour empecher la modification "
+            "des regles de modification."
+        ),
+    },
+    {
+        "position": "N1.1",
+        "item_type": "rule",
+        "title": "Niveaux d'inertie",
+        "sort_order": 32,
+        "section_tag": "inertie",
+        "inertia_preset": "very_high",
+        "current_text": (
+            "| Niveau | Gradient G | Majorite M | Application |\n"
+            "|--------|-----------|------------|-------------|\n"
+            "| **Basse** | 0.1 | 50% | Annexes, recommandations |\n"
+            "| **Standard** | 0.2 | 50% | Engagements fondamentaux et techniques |\n"
+            "| **Haute** | 0.4 | 60% | Formule de vote |\n"
+            "| **Tres haute** | 0.6 | 66% | Reglage de l'inertie |\n\n"
+            "Plus le gradient est eleve, plus il faut de participation "
+            "et de consensus pour qu'une modification soit adoptee."
+        ),
+    },
+    # ===================================================================
+    # SECTION SPECIALE : ORDONNANCEMENT
+    # ===================================================================
+    {
+        "position": "O1",
+        "item_type": "section",
+        "title": "Ordonnancement du document",
+        "sort_order": 33,
+        "section_tag": "ordonnancement",
+        "inertia_preset": "high",
+        "current_text": (
+            "L'ordre de presentation des items dans le document est "
+            "lui-meme soumis au vote. Toute proposition de reorganisation "
+            "doit atteindre le seuil d'adoption avec l'inertie haute."
         ),
     },
 ]
 
 
-async def seed_document_engagement_certification(session: AsyncSession) -> Document:
+async def seed_document_engagement_certification(
+    session: AsyncSession,
+    protocols: dict[str, VotingProtocol],
+) -> Document:
+    genesis = json.dumps(GENESIS_CERTIFICATION, ensure_ascii=False, indent=2)
+
     doc, created = await get_or_create(
         session,
         Document,
@@ -286,15 +816,33 @@ async def seed_document_engagement_certification(session: AsyncSession) -> Docum
         version="1.0.0",
         status="active",
         description=(
-            "Obligations des certificateurs de la toile de confiance Duniter. "
-            "Chaque clause est soumise au vote permanent de la communaute."
+            "Acte d'engagement des certificateurs de la toile de confiance G1. "
+            "Document modulaire sous vote permanent : chaque item peut etre "
+            "remplace par une alternative qui atteint le seuil d'adoption. "
+            "Construit a partir de la Licence G1 v0.3.0, des discussions "
+            "communautaires et de la position 'Acte d'engagement' (Yvv)."
         ),
+        genesis_json=genesis,
     )
     print(f"  Document 'Acte d'engagement certification': {'created' if created else 'exists'}")
 
     if created:
+        # Map inertia presets to voting protocols
+        inertia_protocol_map = {
+            "low": protocols.get("Vote WoT standard"),
+            "standard": protocols.get("Vote WoT standard"),
+            "high": protocols.get("Vote WoT standard"),
+            "very_high": protocols.get("Vote WoT standard"),
+        }
+
         for item_data in ENGAGEMENT_CERTIFICATION_ITEMS:
-            item = DocumentItem(document_id=doc.id, **item_data)
+            preset = item_data.get("inertia_preset", "standard")
+            protocol = inertia_protocol_map.get(preset)
+            item = DocumentItem(
+                document_id=doc.id,
+                voting_protocol_id=protocol.id if protocol else None,
+                **item_data,
+            )
             session.add(item)
         await session.flush()
         print(f"    -> {len(ENGAGEMENT_CERTIFICATION_ITEMS)} items created")
@@ -903,7 +1451,7 @@ async def run_seed():
             protocols = await seed_voting_protocols(session, formulas)
 
             print("\n[3/7] Document: Acte d'engagement certification...")
-            await seed_document_engagement_certification(session)
+            await seed_document_engagement_certification(session, protocols)
 
             print("\n[4/7] Document: Acte d'engagement forgeron v2.0.0...")
             doc_forgeron = await seed_document_engagement_forgeron(session)
diff --git a/frontend/app/components/documents/DocumentTuto.vue b/frontend/app/components/documents/DocumentTuto.vue
new file mode 100644
index 0000000..9e98211
--- /dev/null
+++ b/frontend/app/components/documents/DocumentTuto.vue
@@ -0,0 +1,127 @@
+<script setup lang="ts">
+/**
+ * DocumentTuto — Quick tutorial overlay explaining how the document works.
+ * Shows how permanent voting, inertia, counter-proposals, and thresholds work.
+ */
+const open = ref(false)
+
+const steps = [
+  {
+    icon: 'i-lucide-infinity',
+    title: 'Vote permanent',
+    text: 'Chaque engagement est sous vote permanent. A tout moment, vous pouvez proposer une alternative ou voter pour/contre le texte en vigueur.',
+  },
+  {
+    icon: 'i-lucide-sliders-horizontal',
+    title: 'Inertie variable',
+    text: 'Les engagements fondamentaux ont une inertie standard (difficulte de remplacement moderee). Les annexes sont plus faciles a modifier. La formule et ses reglages sont tres proteges.',
+  },
+  {
+    icon: 'i-lucide-scale',
+    title: 'Seuil adaptatif',
+    text: 'La formule WoT adapte le seuil a la participation : peu de votants = quasi-unanimite requise ; beaucoup de votants = majorite simple suffit.',
+  },
+  {
+    icon: 'i-lucide-pen-line',
+    title: 'Contre-propositions',
+    text: 'Cliquez sur "Proposer une alternative" pour soumettre un texte de remplacement. Il sera soumis au vote et devra atteindre le seuil d\'adoption pour remplacer le texte en vigueur.',
+  },
+  {
+    icon: 'i-lucide-git-branch',
+    title: 'Depot automatique',
+    text: 'Quand une alternative est adoptee, le document officiel est mis a jour, ancre sur IPFS et on-chain, puis deploye dans les applications (Cesium, Gecko).',
+  },
+]
+</script>
+
+<template>
+  <div>
+    <UButton
+      label="Comment ca marche ?"
+      icon="i-lucide-circle-help"
+      variant="ghost"
+      color="neutral"
+      size="sm"
+      @click="open = true"
+    />
+
+    <UModal v-model:open="open" :ui="{ content: 'max-w-lg' }">
+      <template #content>
+        <div class="p-6">
+          <div class="flex items-center justify-between mb-5">
+            <h2 class="text-lg font-bold" style="color: var(--mood-text)">
+              Comment ca marche ?
+            </h2>
+            <UButton
+              icon="i-lucide-x"
+              variant="ghost"
+              color="neutral"
+              size="xs"
+              @click="open = false"
+            />
+          </div>
+
+          <div class="flex flex-col gap-4">
+            <div
+              v-for="(step, idx) in steps"
+              :key="idx"
+              class="tuto-step"
+            >
+              <div class="tuto-step__icon">
+                <UIcon :name="step.icon" class="text-base" />
+              </div>
+              <div class="tuto-step__content">
+                <h4 class="text-sm font-bold" style="color: var(--mood-text)">
+                  {{ step.title }}
+                </h4>
+                <p class="text-xs leading-relaxed" style="color: var(--mood-text-muted)">
+                  {{ step.text }}
+                </p>
+              </div>
+            </div>
+          </div>
+
+          <div class="mt-5 pt-4 border-t" style="border-color: color-mix(in srgb, var(--mood-text) 8%, transparent)">
+            <p class="text-xs text-center" style="color: var(--mood-text-muted)">
+              Reference : formule g1vote —
+              <a
+                href="https://g1vote-view-237903.pages.duniter.org/"
+                target="_blank"
+                rel="noopener"
+                style="color: var(--mood-accent)"
+              >
+                g1vote-view
+              </a>
+            </p>
+          </div>
+        </div>
+      </template>
+    </UModal>
+  </div>
+</template>
+
+<style scoped>
+.tuto-step {
+  display: flex;
+  gap: 0.75rem;
+  align-items: flex-start;
+}
+
+.tuto-step__icon {
+  width: 2rem;
+  height: 2rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 8px;
+  background: color-mix(in srgb, var(--mood-accent) 10%, transparent);
+  color: var(--mood-accent);
+  flex-shrink: 0;
+}
+
+.tuto-step__content {
+  display: flex;
+  flex-direction: column;
+  gap: 0.125rem;
+}
+</style>
diff --git a/frontend/app/components/documents/EngagementCard.vue b/frontend/app/components/documents/EngagementCard.vue
new file mode 100644
index 0000000..0996363
--- /dev/null
+++ b/frontend/app/components/documents/EngagementCard.vue
@@ -0,0 +1,252 @@
+<script setup lang="ts">
+/**
+ * EngagementCard — Enhanced item card with inline mini vote board,
+ * inertia indicator, and action buttons.
+ *
+ * Replaces the basic ItemCard for the document detail view.
+ */
+import type { DocumentItem } from '~/stores/documents'
+
+const props = withDefaults(defineProps<{
+  item: DocumentItem
+  documentSlug: string
+  showActions?: boolean
+  showVoteBoard?: boolean
+}>(), {
+  showActions: false,
+  showVoteBoard: true,
+})
+
+const emit = defineEmits<{
+  propose: [item: DocumentItem]
+}>()
+
+const isSection = computed(() => props.item.item_type === 'section')
+const isPreamble = computed(() => props.item.item_type === 'preamble')
+
+const itemTypeIcon = computed(() => {
+  switch (props.item.item_type) {
+    case 'clause': return 'i-lucide-shield-check'
+    case 'rule': return 'i-lucide-scale'
+    case 'verification': return 'i-lucide-check-circle'
+    case 'preamble': return 'i-lucide-scroll-text'
+    case 'section': return 'i-lucide-layout-list'
+    default: return 'i-lucide-file-text'
+  }
+})
+
+const itemTypeLabel = computed(() => {
+  switch (props.item.item_type) {
+    case 'clause': return 'Engagement'
+    case 'rule': return 'Regle'
+    case 'verification': return 'Verification'
+    case 'preamble': return 'Preambule'
+    case 'section': return 'Titre'
+    default: return props.item.item_type
+  }
+})
+
+function navigateToItem() {
+  navigateTo(`/documents/${props.documentSlug}/items/${props.item.id}`)
+}
+</script>
+
+<template>
+  <!-- Section header (visual separator, not a card) -->
+  <div v-if="isSection" class="engagement-section">
+    <div class="engagement-section__line" />
+    <div class="engagement-section__content">
+      <h3 class="engagement-section__title">
+        {{ item.title }}
+      </h3>
+      <p class="engagement-section__text">
+        {{ item.current_text }}
+      </p>
+      <InertiaSlider
+        :preset="item.inertia_preset"
+        compact
+        class="mt-2 max-w-xs"
+      />
+    </div>
+  </div>
+
+  <!-- Regular item card -->
+  <div
+    v-else
+    class="engagement-card"
+    :class="{
+      'engagement-card--preamble': isPreamble,
+    }"
+  >
+    <!-- Card header -->
+    <div class="engagement-card__header" @click="navigateToItem">
+      <div class="flex items-center gap-2.5 min-w-0">
+        <div class="engagement-card__position">
+          {{ item.position }}
+        </div>
+        <UIcon :name="itemTypeIcon" class="text-sm shrink-0" style="color: var(--mood-accent)" />
+        <span v-if="item.title" class="engagement-card__title">
+          {{ item.title }}
+        </span>
+        <UBadge variant="subtle" color="neutral" size="xs" class="shrink-0">
+          {{ itemTypeLabel }}
+        </UBadge>
+      </div>
+    </div>
+
+    <!-- Item text -->
+    <div class="engagement-card__body" @click="navigateToItem">
+      <MarkdownRenderer :content="item.current_text" />
+    </div>
+
+    <!-- Mini vote board -->
+    <div v-if="showVoteBoard" class="engagement-card__vote">
+      <MiniVoteBoard
+        :votes-for="10"
+        :votes-against="1"
+        :wot-size="7224"
+        :is-permanent="item.is_permanent_vote"
+        :inertia-preset="item.inertia_preset"
+      />
+    </div>
+
+    <!-- Inertia indicator -->
+    <div class="engagement-card__inertia">
+      <InertiaSlider
+        :preset="item.inertia_preset"
+        compact
+      />
+    </div>
+
+    <!-- Actions -->
+    <div v-if="showActions" class="engagement-card__actions">
+      <UButton
+        label="Proposer une alternative"
+        icon="i-lucide-pen-line"
+        variant="soft"
+        color="primary"
+        size="xs"
+        @click.stop="emit('propose', item)"
+      />
+      <UButton
+        label="Voter"
+        icon="i-lucide-vote"
+        variant="soft"
+        color="success"
+        size="xs"
+        @click.stop="navigateToItem"
+      />
+    </div>
+  </div>
+</template>
+
+<style scoped>
+/* Section separator */
+.engagement-section {
+  display: flex;
+  gap: 1rem;
+  padding: 1.5rem 0 0.5rem;
+}
+
+.engagement-section__line {
+  width: 4px;
+  background: var(--mood-accent);
+  border-radius: 2px;
+  flex-shrink: 0;
+}
+
+.engagement-section__content {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.engagement-section__title {
+  font-size: 1.125rem;
+  font-weight: 800;
+  color: var(--mood-text);
+  letter-spacing: -0.01em;
+}
+
+.engagement-section__text {
+  font-size: 0.8125rem;
+  color: var(--mood-text-muted);
+  line-height: 1.5;
+}
+
+/* Card */
+.engagement-card {
+  display: flex;
+  flex-direction: column;
+  background: var(--mood-surface);
+  border-radius: 14px;
+  overflow: hidden;
+  transition: box-shadow 0.15s, transform 0.15s;
+}
+
+.engagement-card:hover {
+  box-shadow: 0 2px 12px color-mix(in srgb, var(--mood-accent) 12%, transparent);
+  transform: translateY(-1px);
+}
+
+.engagement-card--preamble {
+  border-left: 4px solid color-mix(in srgb, var(--mood-accent) 40%, transparent);
+}
+
+.engagement-card__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0.875rem 1rem 0;
+  cursor: pointer;
+}
+
+.engagement-card__position {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 2rem;
+  height: 1.625rem;
+  padding: 0 0.5rem;
+  border-radius: 8px;
+  background: var(--mood-accent);
+  color: white;
+  font-size: 0.6875rem;
+  font-weight: 800;
+  letter-spacing: 0.02em;
+  flex-shrink: 0;
+}
+
+.engagement-card__title {
+  font-size: 0.875rem;
+  font-weight: 700;
+  color: var(--mood-text);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.engagement-card__body {
+  padding: 0.5rem 1rem 0.75rem;
+  cursor: pointer;
+  font-size: 0.8125rem;
+  line-height: 1.6;
+  color: var(--mood-text);
+}
+
+.engagement-card__vote {
+  padding: 0 1rem;
+}
+
+.engagement-card__inertia {
+  padding: 0.5rem 1rem;
+}
+
+.engagement-card__actions {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.625rem 1rem;
+  border-top: 1px solid color-mix(in srgb, var(--mood-text) 6%, transparent);
+}
+</style>
diff --git a/frontend/app/components/documents/GenesisBlock.vue b/frontend/app/components/documents/GenesisBlock.vue
new file mode 100644
index 0000000..ecc3e52
--- /dev/null
+++ b/frontend/app/components/documents/GenesisBlock.vue
@@ -0,0 +1,334 @@
+<script setup lang="ts">
+/**
+ * Genesis block: displays source documents, repos, forum synthesis, and formula trigger
+ * for a reference document. Collapsible by default.
+ */
+const props = defineProps<{
+  genesisJson: string
+}>()
+
+const expanded = ref(false)
+
+interface GenesisData {
+  source_document: {
+    title: string
+    url: string
+    repo: string
+  }
+  reference_tools: Record<string, string>
+  forum_synthesis: Array<{
+    title: string
+    url: string
+    status: string
+    posts?: number
+  }>
+  formula_trigger: string
+  contributors: Array<{
+    name: string
+    role: string
+  }>
+}
+
+const genesis = computed((): GenesisData | null => {
+  try {
+    return JSON.parse(props.genesisJson)
+  } catch {
+    return null
+  }
+})
+
+const statusColor = (status: string) => {
+  switch (status) {
+    case 'rejected': return 'error'
+    case 'in_progress': return 'warning'
+    case 'reference': return 'info'
+    default: return 'neutral'
+  }
+}
+
+const statusLabel = (status: string) => {
+  switch (status) {
+    case 'rejected': return 'Rejetee'
+    case 'in_progress': return 'En cours'
+    case 'reference': return 'Reference'
+    default: return status
+  }
+}
+</script>
+
+<template>
+  <div v-if="genesis" class="genesis-block">
+    <!-- Header (always visible) -->
+    <button
+      class="genesis-block__header"
+      @click="expanded = !expanded"
+    >
+      <div class="flex items-center gap-3">
+        <div class="genesis-block__icon">
+          <UIcon name="i-lucide-file-archive" class="text-lg" />
+        </div>
+        <div class="text-left">
+          <h3 class="text-sm font-bold uppercase tracking-wide" style="color: var(--mood-accent)">
+            Bloc de genese
+          </h3>
+          <p class="text-xs" style="color: var(--mood-text-muted)">
+            Sources, references et formule de depot
+          </p>
+        </div>
+      </div>
+      <UIcon
+        :name="expanded ? 'i-lucide-chevron-up' : 'i-lucide-chevron-down'"
+        class="text-lg"
+        style="color: var(--mood-text-muted)"
+      />
+    </button>
+
+    <!-- Expandable content -->
+    <Transition name="genesis-expand">
+      <div v-if="expanded" class="genesis-block__body">
+        <!-- Source document -->
+        <div class="genesis-section">
+          <h4 class="genesis-section__title">
+            <UIcon name="i-lucide-file-text" />
+            Document source
+          </h4>
+          <div class="genesis-card">
+            <p class="font-medium text-sm" style="color: var(--mood-text)">
+              {{ genesis.source_document.title }}
+            </p>
+            <div class="flex flex-col gap-1 mt-2">
+              <a
+                :href="genesis.source_document.url"
+                target="_blank"
+                rel="noopener"
+                class="genesis-link"
+              >
+                <UIcon name="i-lucide-external-link" class="text-xs" />
+                Texte officiel
+              </a>
+              <a
+                :href="genesis.source_document.repo"
+                target="_blank"
+                rel="noopener"
+                class="genesis-link"
+              >
+                <UIcon name="i-lucide-git-branch" class="text-xs" />
+                Depot git
+              </a>
+            </div>
+          </div>
+        </div>
+
+        <!-- Reference tools -->
+        <div class="genesis-section">
+          <h4 class="genesis-section__title">
+            <UIcon name="i-lucide-wrench" />
+            Outils de reference
+          </h4>
+          <div class="grid grid-cols-2 gap-2">
+            <a
+              v-for="(url, name) in genesis.reference_tools"
+              :key="name"
+              :href="url"
+              target="_blank"
+              rel="noopener"
+              class="genesis-card genesis-card--tool"
+            >
+              <span class="text-xs font-semibold capitalize" style="color: var(--mood-text)">
+                {{ name.replace(/_/g, ' ') }}
+              </span>
+              <UIcon name="i-lucide-external-link" class="text-xs" style="color: var(--mood-text-muted)" />
+            </a>
+          </div>
+        </div>
+
+        <!-- Forum synthesis -->
+        <div class="genesis-section">
+          <h4 class="genesis-section__title">
+            <UIcon name="i-lucide-messages-square" />
+            Synthese des discussions
+          </h4>
+          <div class="flex flex-col gap-2">
+            <a
+              v-for="topic in genesis.forum_synthesis"
+              :key="topic.url"
+              :href="topic.url"
+              target="_blank"
+              rel="noopener"
+              class="genesis-card genesis-card--forum"
+            >
+              <div class="flex items-start justify-between gap-2">
+                <span class="text-xs font-medium" style="color: var(--mood-text)">
+                  {{ topic.title }}
+                </span>
+                <UBadge
+                  :color="statusColor(topic.status)"
+                  variant="subtle"
+                  size="xs"
+                  class="shrink-0"
+                >
+                  {{ statusLabel(topic.status) }}
+                </UBadge>
+              </div>
+              <span v-if="topic.posts" class="text-xs" style="color: var(--mood-text-muted)">
+                {{ topic.posts }} messages
+              </span>
+            </a>
+          </div>
+        </div>
+
+        <!-- Formula trigger -->
+        <div class="genesis-section">
+          <h4 class="genesis-section__title">
+            <UIcon name="i-lucide-zap" />
+            Processus de depot
+          </h4>
+          <div class="genesis-card">
+            <p class="text-xs leading-relaxed" style="color: var(--mood-text)">
+              {{ genesis.formula_trigger }}
+            </p>
+          </div>
+        </div>
+
+        <!-- Contributors -->
+        <div class="genesis-section">
+          <h4 class="genesis-section__title">
+            <UIcon name="i-lucide-users" />
+            Contributeurs
+          </h4>
+          <div class="flex flex-wrap gap-2">
+            <div
+              v-for="c in genesis.contributors"
+              :key="c.name"
+              class="genesis-contributor"
+            >
+              <span class="font-semibold text-xs" style="color: var(--mood-text)">{{ c.name }}</span>
+              <span class="text-xs" style="color: var(--mood-text-muted)">{{ c.role }}</span>
+            </div>
+          </div>
+        </div>
+      </div>
+    </Transition>
+  </div>
+</template>
+
+<style scoped>
+.genesis-block {
+  background: var(--mood-surface);
+  border-radius: 16px;
+  overflow: hidden;
+  border: 1px solid color-mix(in srgb, var(--mood-accent) 15%, transparent);
+}
+
+.genesis-block__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  width: 100%;
+  padding: 1rem 1.25rem;
+  cursor: pointer;
+  background: none;
+  transition: background 0.15s;
+}
+
+.genesis-block__header:hover {
+  background: color-mix(in srgb, var(--mood-accent) 5%, transparent);
+}
+
+.genesis-block__icon {
+  width: 2.25rem;
+  height: 2.25rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 10px;
+  background: color-mix(in srgb, var(--mood-accent) 12%, transparent);
+  color: var(--mood-accent);
+}
+
+.genesis-block__body {
+  padding: 0 1.25rem 1.25rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1.25rem;
+}
+
+.genesis-section__title {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  font-size: 0.6875rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.06em;
+  color: var(--mood-accent);
+  margin-bottom: 0.5rem;
+}
+
+.genesis-card {
+  padding: 0.75rem;
+  border-radius: 10px;
+  background: color-mix(in srgb, var(--mood-accent) 4%, var(--mood-bg));
+}
+
+.genesis-card--tool {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  text-decoration: none;
+  transition: background 0.15s;
+}
+
+.genesis-card--tool:hover {
+  background: color-mix(in srgb, var(--mood-accent) 10%, var(--mood-bg));
+}
+
+.genesis-card--forum {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+  text-decoration: none;
+  transition: background 0.15s;
+}
+
+.genesis-card--forum:hover {
+  background: color-mix(in srgb, var(--mood-accent) 10%, var(--mood-bg));
+}
+
+.genesis-link {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.375rem;
+  font-size: 0.75rem;
+  color: var(--mood-accent);
+  text-decoration: none;
+  font-weight: 500;
+}
+
+.genesis-link:hover {
+  text-decoration: underline;
+}
+
+.genesis-contributor {
+  display: flex;
+  flex-direction: column;
+  padding: 0.5rem 0.75rem;
+  border-radius: 8px;
+  background: color-mix(in srgb, var(--mood-accent) 4%, var(--mood-bg));
+}
+
+/* Expand/collapse transition */
+.genesis-expand-enter-active,
+.genesis-expand-leave-active {
+  transition: all 0.25s ease;
+  overflow: hidden;
+}
+
+.genesis-expand-enter-from,
+.genesis-expand-leave-to {
+  opacity: 0;
+  max-height: 0;
+  padding-top: 0;
+  padding-bottom: 0;
+}
+</style>
diff --git a/frontend/app/components/documents/InertiaSlider.vue b/frontend/app/components/documents/InertiaSlider.vue
new file mode 100644
index 0000000..b0ddaeb
--- /dev/null
+++ b/frontend/app/components/documents/InertiaSlider.vue
@@ -0,0 +1,192 @@
+<script setup lang="ts">
+/**
+ * Inertia slider — displays the inertia preset level for a section.
+ * Read-only indicator (voting on the preset uses the standard vote flow).
+ * Shows the formula parameters underneath.
+ */
+const props = withDefaults(defineProps<{
+  preset: string
+  compact?: boolean
+}>(), {
+  compact: false,
+})
+
+interface InertiaLevel {
+  label: string
+  gradient: number
+  majority: number
+  color: string
+  position: number // 0-100 for slider position
+  description: string
+}
+
+const LEVELS: Record<string, InertiaLevel> = {
+  low: {
+    label: 'Basse',
+    gradient: 0.1,
+    majority: 50,
+    color: '#22c55e',
+    position: 10,
+    description: 'Facile a remplacer',
+  },
+  standard: {
+    label: 'Standard',
+    gradient: 0.2,
+    majority: 50,
+    color: '#3b82f6',
+    position: 37,
+    description: 'Equilibre participation/consensus',
+  },
+  high: {
+    label: 'Haute',
+    gradient: 0.4,
+    majority: 60,
+    color: '#f59e0b',
+    position: 63,
+    description: 'Forte mobilisation requise',
+  },
+  very_high: {
+    label: 'Tres haute',
+    gradient: 0.6,
+    majority: 66,
+    color: '#ef4444',
+    position: 90,
+    description: 'Quasi-unanimite requise',
+  },
+}
+
+const level = computed((): InertiaLevel => LEVELS[props.preset] ?? LEVELS.standard!)
+</script>
+
+<template>
+  <div class="inertia" :class="{ 'inertia--compact': compact }">
+    <!-- Slider track -->
+    <div class="inertia__track">
+      <div class="inertia__fill" :style="{ width: `${level.position}%`, background: level.color }" />
+      <div
+        class="inertia__thumb"
+        :style="{ left: `${level.position}%`, borderColor: level.color }"
+      />
+      <!-- Level marks -->
+      <div
+        v-for="(lvl, key) in LEVELS"
+        :key="key"
+        class="inertia__mark"
+        :class="{ 'inertia__mark--active': key === preset }"
+        :style="{ left: `${lvl.position}%` }"
+      />
+    </div>
+
+    <!-- Label row -->
+    <div class="inertia__info">
+      <span class="inertia__label" :style="{ color: level.color }">
+        {{ level.label }}
+      </span>
+      <span v-if="!compact" class="inertia__params">
+        G={{ level.gradient }} M={{ level.majority }}%
+      </span>
+    </div>
+
+    <!-- Description (not in compact mode) -->
+    <p v-if="!compact" class="inertia__desc">
+      {{ level.description }}
+    </p>
+  </div>
+</template>
+
+<style scoped>
+.inertia {
+  display: flex;
+  flex-direction: column;
+  gap: 0.375rem;
+}
+
+.inertia--compact {
+  gap: 0.25rem;
+}
+
+.inertia__track {
+  position: relative;
+  height: 6px;
+  background: color-mix(in srgb, var(--mood-text) 10%, transparent);
+  border-radius: 3px;
+}
+
+.inertia--compact .inertia__track {
+  height: 4px;
+}
+
+.inertia__fill {
+  position: absolute;
+  inset: 0;
+  border-radius: 3px;
+  transition: width 0.3s ease;
+}
+
+.inertia__fill {
+  right: auto;
+}
+
+.inertia__thumb {
+  position: absolute;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 14px;
+  height: 14px;
+  border-radius: 50%;
+  background: var(--mood-bg);
+  border: 3px solid;
+  transition: left 0.3s ease;
+  z-index: 2;
+}
+
+.inertia--compact .inertia__thumb {
+  width: 10px;
+  height: 10px;
+  border-width: 2px;
+}
+
+.inertia__mark {
+  position: absolute;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 4px;
+  height: 4px;
+  border-radius: 50%;
+  background: color-mix(in srgb, var(--mood-text) 20%, transparent);
+  z-index: 1;
+}
+
+.inertia__mark--active {
+  background: transparent;
+}
+
+.inertia__info {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.inertia__label {
+  font-size: 0.6875rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+}
+
+.inertia--compact .inertia__label {
+  font-size: 0.625rem;
+}
+
+.inertia__params {
+  font-size: 0.625rem;
+  font-family: monospace;
+  color: var(--mood-text-muted);
+}
+
+.inertia__desc {
+  font-size: 0.6875rem;
+  color: var(--mood-text-muted);
+  line-height: 1.3;
+}
+</style>
diff --git a/frontend/app/components/documents/MiniVoteBoard.vue b/frontend/app/components/documents/MiniVoteBoard.vue
new file mode 100644
index 0000000..4f7ba52
--- /dev/null
+++ b/frontend/app/components/documents/MiniVoteBoard.vue
@@ -0,0 +1,248 @@
+<script setup lang="ts">
+/**
+ * MiniVoteBoard — compact inline vote status for an engagement item.
+ *
+ * Shows: vote bar, counts, threshold, pass/fail, and vote buttons.
+ * Uses mock data when no vote session is linked (dev mode).
+ */
+import { useVoteFormula } from '~/composables/useVoteFormula'
+
+const props = withDefaults(defineProps<{
+  votesFor?: number
+  votesAgainst?: number
+  wotSize?: number
+  isPermanent?: boolean
+  inertiaPreset?: string
+  startsAt?: string | null
+  endsAt?: string | null
+}>(), {
+  votesFor: 0,
+  votesAgainst: 0,
+  wotSize: 7224,
+  isPermanent: true,
+  inertiaPreset: 'standard',
+  startsAt: null,
+  endsAt: null,
+})
+
+const { computeThreshold } = useVoteFormula()
+
+const INERTIA_PARAMS: Record<string, { majority_pct: number; base_exponent: number; gradient_exponent: number; constant_base: number }> = {
+  low: { majority_pct: 50, base_exponent: 0.1, gradient_exponent: 0.1, constant_base: 0 },
+  standard: { majority_pct: 50, base_exponent: 0.1, gradient_exponent: 0.2, constant_base: 0 },
+  high: { majority_pct: 60, base_exponent: 0.1, gradient_exponent: 0.4, constant_base: 0 },
+  very_high: { majority_pct: 66, base_exponent: 0.1, gradient_exponent: 0.6, constant_base: 0 },
+}
+
+const formulaParams = computed(() => INERTIA_PARAMS[props.inertiaPreset] ?? INERTIA_PARAMS.standard!)
+
+const totalVotes = computed(() => props.votesFor + props.votesAgainst)
+
+const threshold = computed(() => {
+  if (totalVotes.value === 0) return 1
+  return computeThreshold(props.wotSize, totalVotes.value, formulaParams.value)
+})
+
+const isPassing = computed(() => props.votesFor >= threshold.value)
+
+const forPct = computed(() => {
+  if (totalVotes.value === 0) return 0
+  return (props.votesFor / totalVotes.value) * 100
+})
+
+const againstPct = computed(() => {
+  if (totalVotes.value === 0) return 0
+  return (props.votesAgainst / totalVotes.value) * 100
+})
+
+const thresholdPct = computed(() => {
+  if (totalVotes.value === 0) return 50
+  return Math.min((threshold.value / totalVotes.value) * 100, 100)
+})
+
+const participationRate = computed(() => {
+  if (props.wotSize === 0) return 0
+  return (totalVotes.value / props.wotSize) * 100
+})
+
+const remaining = computed(() => {
+  const diff = threshold.value - props.votesFor
+  return diff > 0 ? diff : 0
+})
+
+function formatDate(d: string): string {
+  return new Date(d).toLocaleDateString('fr-FR', {
+    day: 'numeric',
+    month: 'short',
+    year: 'numeric',
+  })
+}
+</script>
+
+<template>
+  <div class="mini-board">
+    <!-- Vote type badge -->
+    <div class="mini-board__header">
+      <div class="flex items-center gap-2">
+        <UBadge
+          v-if="isPermanent"
+          color="primary"
+          variant="subtle"
+          size="xs"
+        >
+          <UIcon name="i-lucide-infinity" class="mr-1" />
+          Vote permanent
+        </UBadge>
+        <template v-else>
+          <UBadge color="info" variant="subtle" size="xs">
+            <UIcon name="i-lucide-clock" class="mr-1" />
+            Vote temporaire
+          </UBadge>
+          <span v-if="startsAt && endsAt" class="text-xs" style="color: var(--mood-text-muted)">
+            {{ formatDate(startsAt) }} - {{ formatDate(endsAt) }}
+          </span>
+        </template>
+      </div>
+
+      <UBadge
+        :color="isPassing ? 'success' : 'neutral'"
+        :variant="isPassing ? 'solid' : 'subtle'"
+        size="xs"
+      >
+        {{ isPassing ? 'Adopte' : 'En attente' }}
+      </UBadge>
+    </div>
+
+    <!-- Progress bar -->
+    <div class="mini-board__bar">
+      <div
+        class="mini-board__bar-for"
+        :style="{ width: `${forPct}%` }"
+      />
+      <div
+        class="mini-board__bar-against"
+        :style="{ left: `${forPct}%`, width: `${againstPct}%` }"
+      />
+      <!-- Threshold marker -->
+      <div
+        v-if="totalVotes > 0"
+        class="mini-board__bar-threshold"
+        :style="{ left: `${thresholdPct}%` }"
+      />
+    </div>
+
+    <!-- Stats row -->
+    <div class="mini-board__stats">
+      <div class="flex items-center gap-3">
+        <span class="mini-board__stat mini-board__stat--for">
+          {{ votesFor }} pour
+        </span>
+        <span class="mini-board__stat mini-board__stat--against">
+          {{ votesAgainst }} contre
+        </span>
+      </div>
+      <div class="flex items-center gap-3">
+        <span class="mini-board__stat">
+          {{ votesFor }}/{{ threshold }} requis
+        </span>
+        <span v-if="remaining > 0" class="mini-board__stat mini-board__stat--remaining">
+          {{ remaining }} manquant{{ remaining > 1 ? 's' : '' }}
+        </span>
+      </div>
+    </div>
+
+    <!-- Participation -->
+    <div class="mini-board__footer">
+      <span class="text-xs" style="color: var(--mood-text-muted)">
+        {{ totalVotes }} vote{{ totalVotes !== 1 ? 's' : '' }} / {{ wotSize }} membres
+        ({{ participationRate.toFixed(2) }}%)
+      </span>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.mini-board {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+  padding: 0.75rem;
+  border-radius: 10px;
+  background: color-mix(in srgb, var(--mood-accent) 3%, var(--mood-bg));
+}
+
+.mini-board__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.mini-board__bar {
+  position: relative;
+  height: 6px;
+  background: color-mix(in srgb, var(--mood-text) 10%, transparent);
+  border-radius: 3px;
+  overflow: visible;
+}
+
+.mini-board__bar-for {
+  position: absolute;
+  inset: 0;
+  right: auto;
+  background: #22c55e;
+  border-radius: 3px 0 0 3px;
+  transition: width 0.4s ease;
+}
+
+.mini-board__bar-against {
+  position: absolute;
+  inset: 0;
+  right: auto;
+  background: #ef4444;
+  transition: width 0.4s ease, left 0.4s ease;
+}
+
+.mini-board__bar-threshold {
+  position: absolute;
+  top: -3px;
+  bottom: -3px;
+  width: 2px;
+  background: #facc15;
+  border-radius: 1px;
+  transform: translateX(-50%);
+  transition: left 0.4s ease;
+  z-index: 2;
+}
+
+.mini-board__stats {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  flex-wrap: wrap;
+  gap: 0.25rem;
+}
+
+.mini-board__stat {
+  font-size: 0.6875rem;
+  font-weight: 600;
+  color: var(--mood-text-muted);
+}
+
+.mini-board__stat--for {
+  color: #22c55e;
+}
+
+.mini-board__stat--against {
+  color: #ef4444;
+}
+
+.mini-board__stat--remaining {
+  color: #f59e0b;
+}
+
+.mini-board__footer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+</style>
diff --git a/frontend/app/pages/documents/[slug].vue b/frontend/app/pages/documents/[slug].vue
index 6e48dc5..5b6d45f 100644
--- a/frontend/app/pages/documents/[slug].vue
+++ b/frontend/app/pages/documents/[slug].vue
@@ -1,4 +1,13 @@
 <script setup lang="ts">
+/**
+ * Document detail page — full structured view with:
+ * - Genesis block (source files, repos, forum synthesis, formula trigger)
+ * - Sectioned items grouped by section_tag
+ * - Mini vote boards per item
+ * - Inertia sliders per section
+ * - Permanent vote signage
+ * - Tuto overlay
+ */
 import type { DocumentItem } from '~/stores/documents'
 
 const route = useRoute()
@@ -6,7 +15,6 @@ const documents = useDocumentsStore()
 const auth = useAuthStore()
 
 const slug = computed(() => route.params.slug as string)
-
 const archiving = ref(false)
 
 onMounted(async () => {
@@ -23,6 +31,77 @@ watch(slug, async (newSlug) => {
   }
 })
 
+// ─── Section grouping ──────────────────────────────────────────
+
+interface Section {
+  tag: string
+  label: string
+  icon: string
+  inertiaPreset: string
+  items: DocumentItem[]
+}
+
+const SECTION_META: Record<string, { label: string; icon: string }> = {
+  introduction: { label: 'Introduction', icon: 'i-lucide-scroll-text' },
+  fondamental: { label: 'Engagements fondamentaux', icon: 'i-lucide-shield-check' },
+  technique: { label: 'Engagements techniques', icon: 'i-lucide-wrench' },
+  conclusion: { label: 'Conclusion', icon: 'i-lucide-bookmark' },
+  annexe: { label: 'Annexes', icon: 'i-lucide-paperclip' },
+  formule: { label: 'Formule de vote', icon: 'i-lucide-calculator' },
+  inertie: { label: 'Reglage de l\'inertie', icon: 'i-lucide-sliders-horizontal' },
+  ordonnancement: { label: 'Ordonnancement', icon: 'i-lucide-list-ordered' },
+}
+
+const SECTION_ORDER = ['introduction', 'fondamental', 'technique', 'conclusion', 'annexe', 'formule', 'inertie', 'ordonnancement']
+
+const sections = computed((): Section[] => {
+  const grouped: Record<string, DocumentItem[]> = {}
+  const ungrouped: DocumentItem[] = []
+
+  for (const item of documents.items) {
+    const tag = item.section_tag
+    if (tag) {
+      if (!grouped[tag]) grouped[tag] = []
+      grouped[tag].push(item)
+    } else {
+      ungrouped.push(item)
+    }
+  }
+
+  const result: Section[] = []
+
+  for (const tag of SECTION_ORDER) {
+    if (grouped[tag]) {
+      const meta = SECTION_META[tag] || { label: tag, icon: 'i-lucide-file-text' }
+      const firstItem = grouped[tag][0]
+      result.push({
+        tag,
+        label: meta.label,
+        icon: meta.icon,
+        inertiaPreset: firstItem?.inertia_preset || 'standard',
+        items: grouped[tag],
+      })
+    }
+  }
+
+  // Ungrouped items
+  if (ungrouped.length > 0) {
+    result.push({
+      tag: '_other',
+      label: 'Autres',
+      icon: 'i-lucide-file-text',
+      inertiaPreset: 'standard',
+      items: ungrouped,
+    })
+  }
+
+  return result
+})
+
+const totalItems = computed(() => documents.items.length)
+
+// ─── Helpers ───────────────────────────────────────────────────
+
 const typeLabel = (docType: string) => {
   switch (docType) {
     case 'licence': return 'Licence'
@@ -55,12 +134,24 @@ async function archiveToSanctuary() {
     archiving.value = false
   }
 }
+
+// ─── Active section (scroll spy) ──────────────────────────────
+
+const activeSection = ref<string | null>(null)
+
+function scrollToSection(tag: string) {
+  const el = document.getElementById(`section-${tag}`)
+  if (el) {
+    el.scrollIntoView({ behavior: 'smooth', block: 'start' })
+    activeSection.value = tag
+  }
+}
 </script>
 
 <template>
-  <div class="space-y-6">
+  <div class="doc-page">
     <!-- Back link -->
-    <div>
+    <div class="doc-page__nav">
       <UButton
         to="/documents"
         variant="ghost"
@@ -94,31 +185,36 @@ async function archiveToSanctuary() {
 
     <!-- Document detail -->
     <template v-else-if="documents.current">
-      <!-- Header -->
-      <div>
-        <div class="flex items-start justify-between">
+      <!-- ═══ HEADER ═══ -->
+      <div class="doc-page__header">
+        <div class="flex items-start justify-between gap-4">
           <div>
-            <h1 class="text-2xl font-bold text-gray-900 dark:text-white">
+            <h1 class="doc-page__title">
               {{ documents.current.title }}
             </h1>
-            <div class="flex items-center gap-3 mt-2">
+            <div class="flex items-center gap-3 mt-2 flex-wrap">
               <UBadge variant="subtle" color="primary">
                 {{ typeLabel(documents.current.doc_type) }}
               </UBadge>
-              <StatusBadge :status="documents.current.status" type="document" />
-              <span class="text-sm text-gray-500 font-mono">
+              <StatusBadge :status="documents.current.status" type="document" :clickable="false" />
+              <span class="text-sm font-mono" style="color: var(--mood-text-muted)">
                 v{{ documents.current.version }}
               </span>
+              <span class="text-sm" style="color: var(--mood-text-muted)">
+                {{ totalItems }} items
+              </span>
             </div>
           </div>
 
-          <!-- Archive button for authenticated users with active documents -->
-          <div v-if="auth.isAuthenticated && documents.current.status === 'active'" class="flex items-center gap-2">
+          <div class="flex items-center gap-2 shrink-0">
+            <DocumentTuto />
             <UButton
-              label="Archiver dans le Sanctuaire"
+              v-if="auth.isAuthenticated && documents.current.status === 'active'"
+              label="Archiver"
               icon="i-lucide-archive"
               color="primary"
               variant="soft"
+              size="sm"
               :loading="archiving"
               @click="archiveToSanctuary"
             />
@@ -126,71 +222,251 @@ async function archiveToSanctuary() {
         </div>
 
         <!-- Description -->
-        <p v-if="documents.current.description" class="mt-4 text-gray-600 dark:text-gray-400">
+        <p v-if="documents.current.description" class="doc-page__desc">
           {{ documents.current.description }}
         </p>
       </div>
 
-      <!-- Metadata -->
-      <UCard>
-        <div class="grid grid-cols-2 md:grid-cols-4 gap-4 text-sm">
+      <!-- ═══ METADATA ═══ -->
+      <div class="doc-page__meta">
+        <div class="doc-page__meta-grid">
           <div>
-            <p class="text-gray-500">Cree le</p>
-            <p class="font-medium text-gray-900 dark:text-white">
-              {{ formatDate(documents.current.created_at) }}
-            </p>
+            <p class="doc-page__meta-label">Cree le</p>
+            <p class="doc-page__meta-value">{{ formatDate(documents.current.created_at) }}</p>
           </div>
           <div>
-            <p class="text-gray-500">Mis a jour le</p>
-            <p class="font-medium text-gray-900 dark:text-white">
-              {{ formatDate(documents.current.updated_at) }}
-            </p>
+            <p class="doc-page__meta-label">Mis a jour le</p>
+            <p class="doc-page__meta-value">{{ formatDate(documents.current.updated_at) }}</p>
           </div>
           <div>
-            <p class="text-gray-500">Nombre d'items</p>
-            <p class="font-medium text-gray-900 dark:text-white">
-              {{ documents.current.items_count }}
-            </p>
-          </div>
-          <div>
-            <p class="text-gray-500">Ancrage IPFS</p>
+            <p class="doc-page__meta-label">Ancrage IPFS</p>
             <div class="mt-1">
               <IPFSLink :cid="documents.current.ipfs_cid" />
             </div>
           </div>
-        </div>
-
-        <!-- Chain anchor info -->
-        <div v-if="documents.current.chain_anchor" class="mt-4 pt-4 border-t border-gray-100 dark:border-gray-800">
-          <div class="flex items-center gap-2">
-            <p class="text-sm text-gray-500">Ancrage on-chain :</p>
+          <div v-if="documents.current.chain_anchor">
+            <p class="doc-page__meta-label">Ancrage on-chain</p>
             <ChainAnchor :tx-hash="documents.current.chain_anchor" :block="null" />
           </div>
         </div>
-      </UCard>
+      </div>
 
-      <!-- Document items -->
-      <div>
-        <h2 class="text-lg font-semibold text-gray-900 dark:text-white mb-4">
-          Contenu du document ({{ documents.items.length }} items)
-        </h2>
+      <!-- ═══ GENESIS BLOCK ═══ -->
+      <GenesisBlock
+        v-if="documents.current.genesis_json"
+        :genesis-json="documents.current.genesis_json"
+      />
 
-        <div v-if="documents.items.length === 0" class="text-center py-8">
-          <UIcon name="i-lucide-file-plus" class="text-4xl text-gray-400 mb-3" />
-          <p class="text-gray-500">Aucun item dans ce document</p>
-        </div>
+      <!-- ═══ SECTION NAVIGATOR ═══ -->
+      <div v-if="sections.length > 1" class="doc-page__section-nav">
+        <button
+          v-for="section in sections"
+          :key="section.tag"
+          class="doc-page__section-pill"
+          :class="{ 'doc-page__section-pill--active': activeSection === section.tag }"
+          @click="scrollToSection(section.tag)"
+        >
+          <UIcon :name="section.icon" class="text-xs" />
+          {{ section.label }}
+          <span class="doc-page__section-count">{{ section.items.length }}</span>
+        </button>
+      </div>
 
-        <div v-else class="space-y-4">
-          <ItemCard
-            v-for="item in documents.items"
-            :key="item.id"
-            :item="item"
-            :document-slug="slug"
-            :show-actions="auth.isAuthenticated"
-            @propose="handlePropose"
-          />
+      <!-- ═══ SECTIONS WITH ITEMS ═══ -->
+      <div class="doc-page__sections">
+        <div
+          v-for="section in sections"
+          :key="section.tag"
+          :id="`section-${section.tag}`"
+          class="doc-page__section"
+        >
+          <!-- Section header -->
+          <div class="doc-page__section-header">
+            <div class="flex items-center gap-2">
+              <UIcon :name="section.icon" style="color: var(--mood-accent)" />
+              <h2 class="doc-page__section-title">
+                {{ section.label }}
+              </h2>
+              <UBadge variant="subtle" color="neutral" size="xs">
+                {{ section.items.length }}
+              </UBadge>
+            </div>
+            <InertiaSlider :preset="section.inertiaPreset" compact class="max-w-48" />
+          </div>
+
+          <!-- Items -->
+          <div class="doc-page__section-items">
+            <EngagementCard
+              v-for="item in section.items"
+              :key="item.id"
+              :item="item"
+              :document-slug="slug"
+              :show-actions="auth.isAuthenticated"
+              @propose="handlePropose"
+            />
+          </div>
         </div>
       </div>
     </template>
   </div>
 </template>
+
+<style scoped>
+.doc-page {
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+  max-width: 56rem;
+  margin: 0 auto;
+  padding-bottom: 4rem;
+}
+
+.doc-page__nav {
+  margin-bottom: -0.5rem;
+}
+
+/* Header */
+.doc-page__header {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.doc-page__title {
+  font-size: 1.5rem;
+  font-weight: 800;
+  color: var(--mood-text);
+  letter-spacing: -0.02em;
+  line-height: 1.2;
+}
+
+@media (min-width: 640px) {
+  .doc-page__title {
+    font-size: 1.875rem;
+  }
+}
+
+.doc-page__desc {
+  font-size: 0.875rem;
+  color: var(--mood-text-muted);
+  line-height: 1.6;
+  margin-top: 0.25rem;
+}
+
+/* Metadata */
+.doc-page__meta {
+  padding: 1rem 1.25rem;
+  background: var(--mood-surface);
+  border-radius: 14px;
+}
+
+.doc-page__meta-grid {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: 1rem;
+}
+
+@media (min-width: 640px) {
+  .doc-page__meta-grid {
+    grid-template-columns: repeat(4, 1fr);
+  }
+}
+
+.doc-page__meta-label {
+  font-size: 0.75rem;
+  color: var(--mood-text-muted);
+}
+
+.doc-page__meta-value {
+  font-size: 0.875rem;
+  font-weight: 600;
+  color: var(--mood-text);
+}
+
+/* Section navigator */
+.doc-page__section-nav {
+  display: flex;
+  gap: 0.5rem;
+  overflow-x: auto;
+  padding-bottom: 2px;
+  scrollbar-width: none;
+}
+
+.doc-page__section-nav::-webkit-scrollbar {
+  display: none;
+}
+
+.doc-page__section-pill {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  padding: 0.5rem 0.875rem;
+  border-radius: 999px;
+  font-size: 0.75rem;
+  font-weight: 600;
+  white-space: nowrap;
+  background: var(--mood-surface);
+  color: var(--mood-text-muted);
+  cursor: pointer;
+  transition: all 0.15s;
+  border: none;
+}
+
+.doc-page__section-pill:hover {
+  background: color-mix(in srgb, var(--mood-accent) 10%, var(--mood-surface));
+  color: var(--mood-text);
+}
+
+.doc-page__section-pill--active {
+  background: var(--mood-accent);
+  color: white;
+}
+
+.doc-page__section-count {
+  font-size: 0.625rem;
+  font-weight: 800;
+  opacity: 0.7;
+}
+
+/* Sections */
+.doc-page__sections {
+  display: flex;
+  flex-direction: column;
+  gap: 2rem;
+}
+
+.doc-page__section {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  scroll-margin-top: 4rem;
+}
+
+.doc-page__section-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1rem;
+  padding: 0.75rem 0;
+  border-bottom: 2px solid color-mix(in srgb, var(--mood-accent) 15%, transparent);
+}
+
+.doc-page__section-title {
+  font-size: 1rem;
+  font-weight: 800;
+  color: var(--mood-text);
+  letter-spacing: -0.01em;
+}
+
+@media (min-width: 640px) {
+  .doc-page__section-title {
+    font-size: 1.125rem;
+  }
+}
+
+.doc-page__section-items {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+</style>
diff --git a/frontend/app/stores/documents.ts b/frontend/app/stores/documents.ts
index 9385ef4..7441797 100644
--- a/frontend/app/stores/documents.ts
+++ b/frontend/app/stores/documents.ts
@@ -13,6 +13,9 @@ export interface DocumentItem {
   current_text: string
   voting_protocol_id: string | null
   sort_order: number
+  section_tag: string | null
+  inertia_preset: string
+  is_permanent_vote: boolean
   created_at: string
   updated_at: string
 }
@@ -27,6 +30,7 @@ export interface Document {
   description: string | null
   ipfs_cid: string | null
   chain_anchor: string | null
+  genesis_json: string | null
   created_at: string
   updated_at: string
   items_count: number