diff --git a/BewerbungWebseite/Models/SiteContent/AboutSection.cs b/BewerbungWebseite/Models/SiteContent/AboutSection.cs
new file mode 100644
index 0000000..7f0f6e0
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/AboutSection.cs
@@ -0,0 +1,41 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Bereich "Ueber mich" (section id="about").</summary>
+public class AboutSection
+{
+    [StringLength(ContentLimits.Url, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Image { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.AltText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string ImageAlt { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleLine1 { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleLine2 { get; set; } = string.Empty;
+
+    /// <summary>Hervorgehobener Teil der zweiten Titelzeile.</summary>
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleLine2Highlight { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ParagraphText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Text { get; set; } = string.Empty;
+
+    public List<FactItem> Facts { get; set; } = new();
+}
+
+/// <summary>Eine Zeile der Kurzuebersicht rechts unter dem Text.</summary>
+public class FactItem
+{
+    [StringLength(ContentLimits.FactLabel, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Label { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.FactValue, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Value { get; set; } = string.Empty;
+}
diff --git a/BewerbungWebseite/Models/SiteContent/ContactSection.cs b/BewerbungWebseite/Models/SiteContent/ContactSection.cs
new file mode 100644
index 0000000..02cdfbb
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/ContactSection.cs
@@ -0,0 +1,43 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>
+/// Bereich "Kontakt" (section id="contact"). Enthaelt nur die Texte;
+/// das Formular selbst bleibt Bestandteil der Seite und ist nicht editierbar.
+/// </summary>
+public class ContactSection
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleHighlight { get; set; } = string.Empty;
+
+    public List<ContactInfoItem> InfoBoxes { get; set; } = new();
+
+    /// <summary>Einleitungstext oberhalb der Formularfelder.</summary>
+    [StringLength(ContentLimits.FormIntro, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string FormHeading { get; set; } = string.Empty;
+}
+
+/// <summary>Eine Kontaktangabe (Standort, Telefon, E-Mail, ...).</summary>
+public class ContactInfoItem
+{
+    /// <summary>CSS-Klasse des Icons, z. B. "flaticon-call".</summary>
+    [StringLength(ContentLimits.IconClass, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Icon { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.FactLabel, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.FactValue, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Text { get; set; } = string.Empty;
+
+    /// <summary>Optional: macht den Text zum Link, z. B. "tel:0797367355".</summary>
+    [StringLength(ContentLimits.Url, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string LinkUrl { get; set; } = string.Empty;
+}
diff --git a/BewerbungWebseite/Models/SiteContent/DocumentsSection.cs b/BewerbungWebseite/Models/SiteContent/DocumentsSection.cs
new file mode 100644
index 0000000..ff22adb
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/DocumentsSection.cs
@@ -0,0 +1,34 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Bereich "Dokumente und Zertifikate" (section id="documents").</summary>
+public class DocumentsSection
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleHighlight { get; set; } = string.Empty;
+
+    public List<DocumentItem> Items { get; set; } = new();
+}
+
+/// <summary>Ein Dokument bzw. Zertifikat mit Link auf die PDF-Datei.</summary>
+public class DocumentItem
+{
+    [StringLength(ContentLimits.CardTitle, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ParagraphText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Description { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Url, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string FileUrl { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ButtonLabel, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string LinkText { get; set; } = string.Empty;
+}
diff --git a/BewerbungWebseite/Models/SiteContent/ExperienceSection.cs b/BewerbungWebseite/Models/SiteContent/ExperienceSection.cs
new file mode 100644
index 0000000..c048db0
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/ExperienceSection.cs
@@ -0,0 +1,43 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Bereich "Berufliche Erfahrung" (section id="experience").</summary>
+public class ExperienceSection
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleHighlight { get; set; } = string.Empty;
+
+    public List<ExperienceItem> Items { get; set; } = new();
+
+    [StringLength(ContentLimits.ButtonLabel, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string ToggleMoreText { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ButtonLabel, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string ToggleLessText { get; set; } = string.Empty;
+}
+
+/// <summary>Ein Eintrag der Erfahrungs-Timeline.</summary>
+public class ExperienceItem
+{
+    [StringLength(ContentLimits.CardTitle, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Meta, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Meta { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.DetailHeading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string DetailHeading { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ParagraphText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Text { get; set; } = string.Empty;
+
+    /// <summary>true = erst nach Klick auf "Mehr erfahren" sichtbar.</summary>
+    public bool Collapsed { get; set; }
+}
diff --git a/BewerbungWebseite/Models/SiteContent/GoalsSection.cs b/BewerbungWebseite/Models/SiteContent/GoalsSection.cs
new file mode 100644
index 0000000..54f0963
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/GoalsSection.cs
@@ -0,0 +1,35 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Bereich "Meine Ziele" (section id="goals").</summary>
+public class GoalsSection
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleHighlight { get; set; } = string.Empty;
+
+    public List<GoalItem> Items { get; set; } = new();
+}
+
+/// <summary>Eine Ziel-Kachel.</summary>
+public class GoalItem
+{
+    /// <summary>CSS-Klasse des Icons, z. B. "flaticon-growth".</summary>
+    [StringLength(ContentLimits.IconClass, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Icon { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.TileTitle, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.TileText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Text { get; set; } = string.Empty;
+
+    /// <summary>true = hervorgehobene Kachel (CSS-Klasse "active").</summary>
+    public bool Highlighted { get; set; }
+}
diff --git a/BewerbungWebseite/Models/SiteContent/HeroSection.cs b/BewerbungWebseite/Models/SiteContent/HeroSection.cs
new file mode 100644
index 0000000..2cb22e8
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/HeroSection.cs
@@ -0,0 +1,45 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Startbereich der Seite (section id="hero").</summary>
+public class HeroSection : IValidatableObject
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    /// <summary>Grosse Titelzeilen. Die letzte Zeile wird farblich hervorgehoben.</summary>
+    public List<string> TitleLines { get; set; } = new();
+
+    [StringLength(ContentLimits.ParagraphText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Intro { get; set; } = string.Empty;
+
+    public LinkItem PrimaryButton { get; set; } = new();
+    public LinkItem SecondaryButton { get; set; } = new();
+
+    /// <summary>Kleine Links unter den Buttons (LinkedIn, E-Mail, ...).</summary>
+    public List<LinkItem> SocialLinks { get; set; } = new();
+
+    [StringLength(ContentLimits.Url, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string PortraitImage { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.AltText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string PortraitAlt { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Prueft die Titelzeilen einzeln: [StringLength] laesst sich nicht direkt
+    /// auf eine List&lt;string&gt; anwenden, deshalb hier von Hand.
+    /// </summary>
+    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+    {
+        for (var i = 0; i < TitleLines.Count; i++)
+        {
+            if (TitleLines[i]?.Length > ContentLimits.Heading)
+            {
+                yield return new ValidationResult(
+                    $"Titelzeile {i + 1} darf höchstens {ContentLimits.Heading} Zeichen lang sein.",
+                    [nameof(TitleLines)]);
+            }
+        }
+    }
+}
diff --git a/BewerbungWebseite/Models/SiteContent/ProjectsSection.cs b/BewerbungWebseite/Models/SiteContent/ProjectsSection.cs
new file mode 100644
index 0000000..2cb0b51
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/ProjectsSection.cs
@@ -0,0 +1,46 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Bereich "Projekte" (section id="projects").</summary>
+public class ProjectsSection
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleHighlight { get; set; } = string.Empty;
+
+    public List<ProjectItem> Items { get; set; } = new();
+}
+
+/// <summary>Eine Projektkarte.</summary>
+public class ProjectItem
+{
+    [StringLength(ContentLimits.Url, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Image { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.AltText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string ImageAlt { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.CardTitle, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>Optionaler fett gesetzter Auftakt vor der Beschreibung, z. B. "Ziel:".</summary>
+    [StringLength(ContentLimits.DetailHeading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string DescriptionLead { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ParagraphText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Description { get; set; } = string.Empty;
+
+    /// <summary>Zwischentitel mit Text ("TECH:", "Meine Arbeit:", ...).</summary>
+    public List<DetailBlock> Details { get; set; } = new();
+
+    public List<LinkItem> Links { get; set; } = new();
+
+    /// <summary>true = breite Karte ueber die volle Breite mit Bild links.</summary>
+    public bool Wide { get; set; }
+}
diff --git a/BewerbungWebseite/Models/SiteContent/SkillsSection.cs b/BewerbungWebseite/Models/SiteContent/SkillsSection.cs
new file mode 100644
index 0000000..d2ae924
--- /dev/null
+++ b/BewerbungWebseite/Models/SiteContent/SkillsSection.cs
@@ -0,0 +1,39 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BewerbungsSeite.Models.SiteContent;
+
+/// <summary>Bereich "Kompetenzen" (section id="skills").</summary>
+public class SkillsSection
+{
+    [StringLength(ContentLimits.Kicker, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Kicker { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>Hervorgehobener Teil des Titels.</summary>
+    [StringLength(ContentLimits.Heading, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string TitleHighlight { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.ParagraphText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Intro { get; set; } = string.Empty;
+
+    public List<SkillItem> Items { get; set; } = new();
+}
+
+/// <summary>Eine Kompetenz-Kachel.</summary>
+public class SkillItem
+{
+    /// <summary>CSS-Klasse des Icons, z. B. "flaticon-pen".</summary>
+    [StringLength(ContentLimits.IconClass, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Icon { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.TileTitle, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Title { get; set; } = string.Empty;
+
+    [StringLength(ContentLimits.TileText, ErrorMessage = ContentLimits.TooLongMessage)]
+    public string Text { get; set; } = string.Empty;
+
+    /// <summary>true = hervorgehobene Kachel (CSS-Klasse "active").</summary>
+    public bool Highlighted { get; set; }
+}