diff --git a/app/assets/stylesheets/card-columns.css b/app/assets/stylesheets/card-columns.css
index bdbad0bcc..90f6859c6 100644
--- a/app/assets/stylesheets/card-columns.css
+++ b/app/assets/stylesheets/card-columns.css
@@ -108,6 +108,10 @@
         }
       }
     }
+
+    .card__steps {
+      display: flex;
+    }
   }
 
   /* Column elements
@@ -197,7 +201,7 @@
 
     .card__header {
       color: color-mix(in srgb, var(--card-color) 40%, var(--color-ink));
-      margin-inline-start: calc(-0.5 * var(--card-padding-inline));
+      margin-inline: calc(-0.5 * var(--card-padding-inline)) calc(-0.25 * var(--card-padding-inline));
     }
 
     .card__people-label {
diff --git a/app/assets/stylesheets/cards.css b/app/assets/stylesheets/cards.css
index 9595b98ee..4462dfb6e 100644
--- a/app/assets/stylesheets/cards.css
+++ b/app/assets/stylesheets/cards.css
@@ -119,8 +119,8 @@
     flex-wrap: nowrap;
     gap: var(--inline-space);
     margin-block-start: calc(-1 * var(--card-padding-block));
-    margin-inline-start: calc(-1 * var(--card-padding-inline));
-    max-inline-size: 100%;
+    margin-inline: calc(-1 * var(--card-padding-inline)) calc(-0.5 * var(--card-padding-inline));
+    max-inline-size: unset;
     min-inline-size: 0;
 
     .workflow-stage {
diff --git a/app/assets/stylesheets/icons.css b/app/assets/stylesheets/icons.css
index fd12630d9..2870088c2 100644
--- a/app/assets/stylesheets/icons.css
+++ b/app/assets/stylesheets/icons.css
@@ -30,6 +30,7 @@
   .icon--camera { --svg: url("camera.svg "); }
   .icon--caret-down { --svg: url("caret-down.svg "); }
   .icon--check { --svg: url("check.svg "); }
+  .icon--check-all { --svg: url("check-all.svg "); }
   .icon--clipboard { --svg: url("clipboard.svg "); }
   .icon--close { --svg: url("close.svg "); }
   .icon--collection { --svg: url("collection.svg "); }
diff --git a/app/assets/stylesheets/steps.css b/app/assets/stylesheets/steps.css
new file mode 100644
index 000000000..2f526662c
--- /dev/null
+++ b/app/assets/stylesheets/steps.css
@@ -0,0 +1,98 @@
+@layer components {
+  .step {
+    display: grid;
+    grid-template-columns: 1em auto auto;
+    gap: calc(var(--inline-space) * 2/3);
+    inline-size: auto;
+  }
+
+  .step__checkbox {
+    --hover-color: var(--card-color);
+
+    appearance: none;
+    background-color: var(--color-canvas);
+    block-size: 1.1em;
+    border: 1px solid currentColor;
+    border-radius: 0.15em;
+    color: currentColor;
+    display: grid;
+    font: inherit;
+    inline-size: 1.1em;
+    margin: 0;
+    place-content: center;
+    transform: translateY(0.1em);
+
+    &::before {
+      background-color: CanvasText;
+      block-size: 0.65em;
+      box-shadow: inset 1em 1em currentColor;
+      clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
+      content: "";
+      inline-size: 0.65em;
+      transform: scale(0);
+      transform-origin: center;
+      transition: 150ms transform ease-in-out;
+    }
+    
+    &:checked::before {
+      transform: scale(1) rotate(10deg);
+    }
+
+    &:where([disabled]):not(:hover):not(:active) {
+      filter: none;
+      opacity: 0.5;
+    }
+  }
+
+  .step__content {
+    --input-border-radius: 0;
+    --input-border-size: 0;
+    --input-padding: 0;
+
+    border-bottom: 1px solid transparent;
+    color: currentColor;
+    font-weight: 500;
+    margin-block-end: calc(var(--block-space) * 1/3);
+
+    &:is(a, input[type=text]) {
+      --hover-size: 0;
+    }
+
+    .step:has(:checked) & {
+      opacity: 0.7;
+      text-decoration: line-through;
+    }
+
+    &::placeholder {
+      color: var(--card-color);
+    }
+  }
+
+  .step__content--edit {
+    border-bottom-color: currentColor;
+  }
+
+  .steps {
+    contain: inline-size;
+    display: grid;
+    list-style: none;
+    margin: 0;
+    max-inline-size: 100%;
+    padding: 0;
+  }
+
+  .steps__icon {
+    background-color: var(--card-color);
+    block-size: 1.3em;
+    border-radius: 50%;
+    display: grid;
+    inline-size: 1.3em;
+    place-content: center;
+
+    .icon {
+      background-color: var(--color-ink-inverted);
+      block-size: 0.8em;
+      inline-size: 0.8em;
+    }
+  }
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/trays.css b/app/assets/stylesheets/trays.css
index d90c56ea8..48ae50b31 100644
--- a/app/assets/stylesheets/trays.css
+++ b/app/assets/stylesheets/trays.css
@@ -315,6 +315,7 @@
     .card__meta .btn,
     .card__meta-item:not(.card__meta-item--updated),
     .card__stages,
+    .card__steps,
     .card__closed {
       display: none;
     }
diff --git a/app/controllers/cards/steps_controller.rb b/app/controllers/cards/steps_controller.rb
new file mode 100644
index 000000000..8821289b7
--- /dev/null
+++ b/app/controllers/cards/steps_controller.rb
@@ -0,0 +1,35 @@
+class Cards::StepsController < ApplicationController
+  include CardScoped
+
+  before_action :set_step, only: %i[ show edit update destroy ]
+
+  def create
+    @step = @card.steps.create!(step_params)
+    render_card_replacement
+  end
+
+  def show
+  end
+
+  def edit
+  end
+
+  def update
+    @step.update!(step_params)
+    render_card_replacement
+  end
+
+  def destroy
+    @step.destroy!
+    render_card_replacement
+  end
+
+  private
+    def set_step
+      @step = @card.steps.find(params[:id])
+    end
+
+    def step_params
+      params.require(:step).permit(:content, :completed)
+    end
+end
diff --git a/app/models/card.rb b/app/models/card.rb
index 94ee043d2..c83c1325b 100644
--- a/app/models/card.rb
+++ b/app/models/card.rb
@@ -1,6 +1,6 @@
 class Card < ApplicationRecord
   include Assignable, Colored, Engageable, Entropic, Eventable,
-    Golden, Mentions, Pinnable, Closeable, Readable, Searchable,
+    Golden, Mentions, Multistep, Pinnable, Closeable, Readable, Searchable,
     Staged, Stallable, Statuses, Taggable, Watchable
 
   belongs_to :collection, touch: true
diff --git a/app/models/card/multistep.rb b/app/models/card/multistep.rb
new file mode 100644
index 000000000..ccd3a9786
--- /dev/null
+++ b/app/models/card/multistep.rb
@@ -0,0 +1,11 @@
+module Card::Multistep
+  extend ActiveSupport::Concern
+
+  included do
+    has_many :steps, dependent: :destroy
+  end
+
+  def completed_steps_count
+    steps.where(completed: true).count
+  end
+end
diff --git a/app/models/step.rb b/app/models/step.rb
new file mode 100644
index 000000000..7451832c9
--- /dev/null
+++ b/app/models/step.rb
@@ -0,0 +1,7 @@
+class Step < ApplicationRecord
+  belongs_to :card, touch: true
+
+  def completed?
+    completed
+  end
+end
diff --git a/app/views/cards/_container.html.erb b/app/views/cards/_container.html.erb
index f43466a2b..df7d6c917 100644
--- a/app/views/cards/_container.html.erb
+++ b/app/views/cards/_container.html.erb
@@ -19,6 +19,8 @@
         <%= render "cards/stagings/stages", card: card if card.doing? %>
       </div>
 
+      <%= render "cards/display/perma/steps", card: card %>
+
       <footer class="card__footer full-width flex align-start gap">
         <%= render "cards/display/perma/meta", card: card %>
         <%= render "cards/display/perma/background", card: card %>
diff --git a/app/views/cards/display/_preview.html.erb b/app/views/cards/display/_preview.html.erb
index b622bae69..e9cf182c6 100644
--- a/app/views/cards/display/_preview.html.erb
+++ b/app/views/cards/display/_preview.html.erb
@@ -6,6 +6,7 @@
       <header class="card__header">
         <%= render "cards/display/preview/collection", card: card %>
         <%= render "cards/display/preview/tags", card: card %>
+        <%= render "cards/display/preview/steps", card: card %>
 
         <% if card.staged? && card.doing? %>
           <span class="btn justify-start workflow-stage workflow-stage--current txt-uppercase min-width max-width">
diff --git a/app/views/cards/display/perma/_steps.html.erb b/app/views/cards/display/perma/_steps.html.erb
new file mode 100644
index 000000000..8cd719355
--- /dev/null
+++ b/app/views/cards/display/perma/_steps.html.erb
@@ -0,0 +1,10 @@
+<ol class="steps txt-small margin-block">
+  <%= render partial: "cards/steps/step", collection: card.steps, as: :step %>
+
+  <div class="step">
+    <input type="checkbox" class="step__checkbox" disabled>
+    <%= form_with model: [card, Step.new], url: card_steps_path(card) do |form| %>
+      <%= form.text_field :content, class: "input step__content", placeholder: "Add a step…", required: true, autocomplete: "off" %>
+    <% end %>
+  </div>
+</ol>
\ No newline at end of file
diff --git a/app/views/cards/display/preview/_steps.html.erb b/app/views/cards/display/preview/_steps.html.erb
new file mode 100644
index 000000000..091bae458
--- /dev/null
+++ b/app/views/cards/display/preview/_steps.html.erb
@@ -0,0 +1,8 @@
+<% if card.steps.any? %>
+  <div class="card__steps align-center gap-half flex-item-justify-end flex-item-no-shrink">
+    <span class="steps__icon">
+      <%= icon_tag "check" %>
+    </span>
+    <strong><%= "#{card.completed_steps_count}/#{card.steps.count}" %></strong>
+  </div>
+<% end %>
\ No newline at end of file
diff --git a/app/views/cards/steps/_step.html.erb b/app/views/cards/steps/_step.html.erb
new file mode 100644
index 000000000..052419d39
--- /dev/null
+++ b/app/views/cards/steps/_step.html.erb
@@ -0,0 +1,8 @@
+<%= turbo_frame_tag step do %>
+  <li class="step">
+    <%= form_with model: [step.card, step], data: { controller: "form" } do |form| %>
+      <%= form.check_box :completed, { class: "step__checkbox", data: { action: "change->form#submit" } } %>
+    <% end %>
+    <%= link_to step.content, edit_card_step_path(step.card, step), class: "step__content" %>
+  </li> 
+<% end %>
diff --git a/app/views/cards/steps/edit.html.erb b/app/views/cards/steps/edit.html.erb
new file mode 100644
index 000000000..0609c778e
--- /dev/null
+++ b/app/views/cards/steps/edit.html.erb
@@ -0,0 +1,18 @@
+<%= turbo_frame_tag @step do %>
+  <div class="flex align-center gap-half">
+    <%= form_with model: [@card, @step], class: "step", data: { controller: "form" } do |form| %>
+      <%= form.check_box :completed, { class: "step__checkbox", checked: @step.completed?, disabled: true } %>
+      <%= form.text_field :content, class: "input step__content step__content--edit", placeholder: "Name this step…", required: true, autofocus: true, autocomplete: "off",
+          data: { action: "keydown.esc->form#cancel focus->form#select" } %>
+      <%= form.button type: "submit", class: "btn btn--positive txt-xx-small" do %>
+        <%= icon_tag "check" %>
+        <span class="for-screen-reader">Save changes</span>
+      <% end %>
+      <%= link_to "Cancel changes", card_step_path(@card, @step), data: { form_target: "cancel" }, hidden: true %>
+    <% end %>
+    <%= button_to card_step_path(@card, @step), method: :delete, class: "btn btn--negative txt-xx-small" do %>
+      <%= icon_tag "trash" %>
+      <span class="for-screen-reader">Delete this step</span>
+    <% end %>
+  </div>
+<% end %> 
\ No newline at end of file
diff --git a/app/views/cards/steps/show.html.erb b/app/views/cards/steps/show.html.erb
new file mode 100644
index 000000000..a20f9795b
--- /dev/null
+++ b/app/views/cards/steps/show.html.erb
@@ -0,0 +1,3 @@
+<%= turbo_frame_tag @step do %>
+  <%= render "cards/steps/step", step: @step %>
+<% end %>
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index df5d8ad7c..505bba048 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -44,6 +44,7 @@ Rails.application.routes.draw do
 
       resources :assignments
       resources :taggings
+      resources :steps
 
       resources :comments do
         resources :reactions, module: :comments
diff --git a/db/migrate/20250625120000_add_steps_to_cards.rb b/db/migrate/20250625120000_add_steps_to_cards.rb
new file mode 100644
index 000000000..938df396e
--- /dev/null
+++ b/db/migrate/20250625120000_add_steps_to_cards.rb
@@ -0,0 +1,13 @@
+class AddStepsToCards < ActiveRecord::Migration[8.1]
+  def change
+    create_table :steps do |t|
+      t.references :card, null: false, foreign_key: true
+      t.text :content, null: false
+      t.boolean :completed, default: false, null: false
+
+      t.timestamps
+    end
+
+    add_index :steps, :completed
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3c4b155e6..be6ae5012 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2025_06_25_111932) do
+ActiveRecord::Schema[8.1].define(version: 2025_06_25_120000) do
   create_table "accesses", force: :cascade do |t|
     t.datetime "accessed_at"
     t.integer "collection_id", null: false
@@ -325,6 +325,16 @@ ActiveRecord::Schema[8.1].define(version: 2025_06_25_111932) do
     t.index ["user_id"], name: "index_sessions_on_user_id"
   end
 
+  create_table "steps", force: :cascade do |t|
+    t.integer "card_id", null: false
+    t.boolean "completed", default: false, null: false
+    t.text "content", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["card_id"], name: "index_steps_on_card_id"
+    t.index ["completed"], name: "index_steps_on_completed"
+  end
+
   create_table "taggings", force: :cascade do |t|
     t.integer "card_id", null: false
     t.datetime "created_at", null: false
@@ -400,6 +410,7 @@ ActiveRecord::Schema[8.1].define(version: 2025_06_25_111932) do
   add_foreign_key "pins", "users"
   add_foreign_key "search_queries", "users"
   add_foreign_key "sessions", "users"
+  add_foreign_key "steps", "cards"
   add_foreign_key "taggings", "cards"
   add_foreign_key "taggings", "tags"
   add_foreign_key "watches", "cards"
diff --git a/db/schema_cache.yml b/db/schema_cache.yml
index 8aab5a0d5..d72e1af13 100644
--- a/db/schema_cache.yml
+++ b/db/schema_cache.yml
@@ -451,7 +451,7 @@ columns:
     default_function:
     collation:
     comment:
-  - &31 !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
+  - &33 !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
     auto_increment:
     name: title
     cast_type: *7
@@ -520,11 +520,11 @@ columns:
   - !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
     auto_increment:
     name: all_access
-    cast_type: &32 !ruby/object:ActiveModel::Type::Boolean
+    cast_type: &30 !ruby/object:ActiveModel::Type::Boolean
       precision:
       scale:
       limit:
-    sql_type_metadata: &33 !ruby/object:ActiveRecord::ConnectionAdapters::SqlTypeMetadata
+    sql_type_metadata: &31 !ruby/object:ActiveRecord::ConnectionAdapters::SqlTypeMetadata
       sql_type: boolean
       type: :boolean
       limit:
@@ -744,7 +744,7 @@ columns:
     comment:
   filters_tags:
   - *19
-  - &30 !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
+  - &32 !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
     auto_increment:
     name: tag_id
     cast_type: *3
@@ -940,23 +940,48 @@ columns:
     collation:
     comment:
   - *25
+  steps:
+  - *22
+  - !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
+    auto_increment:
+    name: completed
+    cast_type: *30
+    sql_type_metadata: *31
+    'null': false
+    default: false
+    default_function:
+    collation:
+    comment:
+  - !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
+    auto_increment:
+    name: content
+    cast_type: *15
+    sql_type_metadata: *16
+    'null': false
+    default:
+    default_function:
+    collation:
+    comment:
+  - *5
+  - *6
+  - *9
   taggings:
   - *22
   - *5
   - *6
-  - *30
+  - *32
   - *9
   tags:
   - *5
   - *6
-  - *31
+  - *33
   - *9
   users:
   - !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
     auto_increment:
     name: active
-    cast_type: *32
-    sql_type_metadata: *33
+    cast_type: *30
+    sql_type_metadata: *31
     'null': false
     default: true
     default_function:
@@ -1015,8 +1040,8 @@ columns:
   - !ruby/object:ActiveRecord::ConnectionAdapters::SQLite3::Column
     auto_increment:
     name: watching
-    cast_type: *32
-    sql_type_metadata: *33
+    cast_type: *30
+    sql_type_metadata: *31
     'null': false
     default: true
     default_function:
@@ -1088,6 +1113,7 @@ primary_keys:
   search_queries: id
   search_results: id
   sessions: id
+  steps: id
   taggings: id
   tags: id
   users: id
@@ -1130,6 +1156,7 @@ data_sources:
   search_queries: true
   search_results: true
   sessions: true
+  steps: true
   taggings: true
   tags: true
   users: true
@@ -2256,6 +2283,39 @@ indexes:
     nulls_not_distinct:
     comment:
     valid: true
+  steps:
+  - !ruby/object:ActiveRecord::ConnectionAdapters::IndexDefinition
+    table: steps
+    name: index_steps_on_card_id
+    unique: false
+    columns:
+    - card_id
+    lengths: {}
+    orders: {}
+    opclasses: {}
+    where:
+    type:
+    using:
+    include:
+    nulls_not_distinct:
+    comment:
+    valid: true
+  - !ruby/object:ActiveRecord::ConnectionAdapters::IndexDefinition
+    table: steps
+    name: index_steps_on_completed
+    unique: false
+    columns:
+    - completed
+    lengths: {}
+    orders: {}
+    opclasses: {}
+    where:
+    type:
+    using:
+    include:
+    nulls_not_distinct:
+    comment:
+    valid: true
   taggings:
   - !ruby/object:ActiveRecord::ConnectionAdapters::IndexDefinition
     table: taggings
@@ -2391,4 +2451,4 @@ indexes:
     comment:
     valid: true
   workflows: []
-version: 20250625111932
+version: 20250625120000
diff --git a/test/controllers/cards/steps_controller_test.rb b/test/controllers/cards/steps_controller_test.rb
new file mode 100644
index 000000000..677279a2a
--- /dev/null
+++ b/test/controllers/cards/steps_controller_test.rb
@@ -0,0 +1,55 @@
+require "test_helper"
+
+class Cards::StepsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in_as :kevin
+  end
+
+  test "create" do
+    card = cards(:logo)
+
+    assert_difference -> { card.steps.count }, +1 do
+      post card_steps_path(card), params: { step: { content: "Research alternatives" } }, as: :turbo_stream
+      assert_card_container_rerendered(card)
+    end
+
+    assert_equal "Research alternatives", card.steps.last.content
+  end
+
+  test "update" do
+    card = cards(:logo)
+    step = card.steps.create!(content: "Original content")
+
+    assert_changes -> { step.reload.content }, from: "Original content", to: "Updated content" do
+      put card_step_path(card, step), params: { step: { content: "Updated content" } }, as: :turbo_stream
+      assert_card_container_rerendered(card)
+    end
+  end
+
+  test "destroy" do
+    card = cards(:logo)
+    step = card.steps.create!(content: "Step to delete")
+
+    assert_difference -> { card.steps.count }, -1 do
+      delete card_step_path(card, step), as: :turbo_stream
+      assert_card_container_rerendered(card)
+    end
+  end
+
+  test "toggle completion" do
+    card = cards(:logo)
+    step = card.steps.create!(content: "Test step", completed: false)
+
+    # Toggle to completed
+    assert_changes -> { step.reload.completed? }, from: false, to: true do
+      put card_step_path(card, step), params: { step: { completed: "1" } }, as: :turbo_stream
+      assert_card_container_rerendered(card)
+    end
+
+    # Toggle back to incomplete
+    assert_changes -> { step.reload.completed? }, from: true, to: false do
+      put card_step_path(card, step), params: { step: { completed: "0" } }, as: :turbo_stream
+      assert_card_container_rerendered(card)
+    end
+  end
+end