diff --git a/app/components/story/NotebookBrowser.test.tsx b/app/components/story/NotebookBrowser.test.tsx
new file mode 100644
index 0000000..8c93412
--- /dev/null
+++ b/app/components/story/NotebookBrowser.test.tsx
@@ -0,0 +1,112 @@
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { portfolio } from "@/lib/portfolio-data";
+import NotebookBrowser, { type NotebookBrowserProps } from "./NotebookBrowser";
+import { selectNotebookProjects } from "./notebookProjects";
+
+const projects = selectNotebookProjects(portfolio.projects);
+const frame: NotebookBrowserProps["frame"] = {
+  cursorVisible: true,
+  cursorX: 0.4,
+  cursorY: 0.6,
+  cursorClicking: false,
+};
+
+function renderBrowser(overrides: Partial<NotebookBrowserProps> = {}) {
+  return render(
+    <NotebookBrowser
+      projects={projects}
+      activeIndex={0}
+      frame={frame}
+      onSelectTab={jest.fn()}
+      {...overrides}
+    />,
+  );
+}
+
+describe("NotebookBrowser", () => {
+  it("renders the active project as an accessible tabpanel", () => {
+    renderBrowser({ activeIndex: 1 });
+
+    expect(
+      screen.getByRole("tablist", { name: /projetos em produção/i }),
+    ).toBeInTheDocument();
+    expect(screen.getAllByRole("tab")[1]).toHaveAttribute(
+      "aria-selected",
+      "true",
+    );
+    expect(screen.getByRole("tabpanel")).toHaveAccessibleName(
+      /SC Plus Aquicultura/i,
+    );
+  });
+
+  it("moves between tabs with arrow keys and Home/End", async () => {
+    const user = userEvent.setup();
+    const onSelectTab = jest.fn();
+    renderBrowser({ onSelectTab });
+    const tabs = screen.getAllByRole("tab");
+
+    await user.click(tabs[1]);
+    await user.keyboard("{ArrowRight}");
+    await user.keyboard("{Home}");
+    await user.keyboard("{End}");
+
+    expect(onSelectTab).toHaveBeenNthCalledWith(1, 1);
+    expect(onSelectTab).toHaveBeenNthCalledWith(2, 2);
+    expect(onSelectTab).toHaveBeenNthCalledWith(3, 0);
+    expect(onSelectTab).toHaveBeenNthCalledWith(4, projects.length - 1);
+  });
+
+  it("bounds arrow navigation at the first and last tab", async () => {
+    const user = userEvent.setup();
+    const onSelectTab = jest.fn();
+    renderBrowser({ onSelectTab });
+    const tabs = screen.getAllByRole("tab");
+
+    await user.click(tabs[0]);
+    await user.keyboard("{ArrowLeft}");
+    await user.click(tabs.at(-1) as HTMLElement);
+    await user.keyboard("{ArrowRight}");
+
+    expect(onSelectTab).toHaveBeenNthCalledWith(2, 0);
+    expect(onSelectTab).toHaveBeenNthCalledWith(4, projects.length - 1);
+  });
+
+  it("exposes a real deployment link with safe new-tab attributes", () => {
+    renderBrowser();
+
+    const link = screen.getByRole("link", { name: /abrir projeto/i });
+    expect(link).toHaveAttribute("href", projects[0].demoUrl);
+    expect(link).toHaveAttribute("target", "_blank");
+    expect(link).toHaveAttribute("rel", "noopener noreferrer");
+  });
+
+  it("keeps the animated cursor decorative and never embeds an iframe", () => {
+    const { container } = renderBrowser({
+      frame: { ...frame, cursorClicking: true },
+    });
+
+    expect(container.querySelector(".notebook-cursor")).toHaveAttribute(
+      "aria-hidden",
+      "true",
+    );
+    expect(container.querySelector(".notebook-cursor")).toHaveStyle({
+      left: "40%",
+      top: "60%",
+    });
+    expect(container.querySelector("iframe")).not.toBeInTheDocument();
+  });
+
+  it("uses the selected tab to label the panel and screenshot", () => {
+    renderBrowser({ activeIndex: 2 });
+
+    const tab = screen.getAllByRole("tab")[2];
+    const panel = screen.getByRole("tabpanel");
+    const image = screen.getByRole("img");
+
+    expect(tab).toHaveAttribute("aria-controls", panel.id);
+    expect(panel).toHaveAttribute("aria-labelledby", tab.id);
+    expect(image).toHaveAccessibleName(/SEV Moda Íntima/i);
+    expect(image).toHaveAttribute("src", "/assets/prints/print-sev.png");
+  });
+});
diff --git a/app/components/story/NotebookBrowser.tsx b/app/components/story/NotebookBrowser.tsx
new file mode 100644
index 0000000..2e560b3
--- /dev/null
+++ b/app/components/story/NotebookBrowser.tsx
@@ -0,0 +1,172 @@
+"use client";
+
+import Image from "next/image";
+import type { NotebookProject } from "./notebookProjects";
+import type { NotebookFrame } from "./notebookTimeline";
+
+export type NotebookBrowserProps = {
+  projects: NotebookProject[];
+  activeIndex: number;
+  frame: Pick<
+    NotebookFrame,
+    "cursorVisible" | "cursorX" | "cursorY" | "cursorClicking"
+  >;
+  onSelectTab: (index: number) => void;
+};
+
+function clampIndex(index: number, length: number): number {
+  if (length < 1) return -1;
+  return Math.min(Math.max(index, 0), length - 1);
+}
+
+function toDomId(value: string): string {
+  return value.replace(/[^a-zA-Z0-9_-]/g, "-");
+}
+
+export default function NotebookBrowser({
+  projects,
+  activeIndex,
+  frame,
+  onSelectTab,
+}: NotebookBrowserProps) {
+  const selectedIndex = clampIndex(activeIndex, projects.length);
+  const selectedProject =
+    selectedIndex >= 0 ? projects[selectedIndex] : undefined;
+
+  function handleTabKeyDown(
+    event: React.KeyboardEvent<HTMLButtonElement>,
+    index: number,
+  ) {
+    if (projects.length < 1) return;
+
+    let nextIndex: number | null = null;
+    if (event.key === "ArrowRight" || event.key === "ArrowDown") {
+      nextIndex = Math.min(index + 1, projects.length - 1);
+    } else if (event.key === "ArrowLeft" || event.key === "ArrowUp") {
+      nextIndex = Math.max(index - 1, 0);
+    } else if (event.key === "Home") {
+      nextIndex = 0;
+    } else if (event.key === "End") {
+      nextIndex = projects.length - 1;
+    }
+
+    if (nextIndex === null) return;
+    event.preventDefault();
+    onSelectTab(nextIndex);
+  }
+
+  if (!selectedProject) {
+    return (
+      <div
+        className="notebook-browser"
+        data-testid="notebook-browser"
+        data-empty
+      >
+        <p aria-live="polite">Nenhum projeto disponível para esta cena.</p>
+      </div>
+    );
+  }
+
+  const selectedId = toDomId(selectedProject.id);
+  const panelId = `notebook-panel-${selectedId}`;
+
+  return (
+    <div className="notebook-browser" data-testid="notebook-browser">
+      <div className="notebook-browser-bar" aria-hidden="true">
+        <span className="notebook-browser-dot" />
+        <span className="notebook-browser-dot" />
+        <span className="notebook-browser-dot" />
+        <span className="notebook-browser-address">
+          evandro.dev.br / projetos
+        </span>
+      </div>
+
+      <div className="notebook-browser-body">
+        <div className="notebook-browser-heading">
+          <span className="notebook-browser-eyebrow">Projetos em produção</span>
+          <span className="notebook-browser-counter">
+            {String(selectedIndex + 1).padStart(2, "0")} /{" "}
+            {String(projects.length).padStart(2, "0")}
+          </span>
+        </div>
+
+        <div
+          className="notebook-tablist"
+          role="tablist"
+          aria-label="Projetos em produção"
+        >
+          {projects.map((project, index) => {
+            const tabId = `notebook-tab-${toDomId(project.id)}`;
+            const isSelected = index === selectedIndex;
+
+            return (
+              <button
+                aria-controls={panelId}
+                aria-selected={isSelected}
+                className="notebook-tab"
+                id={tabId}
+                key={project.id}
+                onClick={() => onSelectTab(index)}
+                onKeyDown={(event) => handleTabKeyDown(event, index)}
+                role="tab"
+                tabIndex={isSelected ? 0 : -1}
+                type="button"
+              >
+                <span className="notebook-tab-number">
+                  {String(index + 1).padStart(2, "0")}
+                </span>
+                <span className="notebook-tab-title">{project.title}</span>
+              </button>
+            );
+          })}
+        </div>
+
+        <div
+          aria-labelledby={`notebook-tab-${selectedId}`}
+          className="notebook-panel"
+          id={panelId}
+          role="tabpanel"
+        >
+          <div className="notebook-panel-copy">
+            <h3>{selectedProject.title}</h3>
+            <p>{selectedProject.subtitle}</p>
+            <ul aria-label={`Tecnologias de ${selectedProject.title}`}>
+              {selectedProject.technologies.slice(0, 4).map((technology) => (
+                <li key={technology}>{technology}</li>
+              ))}
+            </ul>
+            <a
+              href={selectedProject.demoUrl}
+              rel="noopener noreferrer"
+              target="_blank"
+            >
+              Abrir projeto <span aria-hidden="true">↗</span>
+            </a>
+          </div>
+
+          <div className="notebook-screenshot-wrap">
+            <Image
+              alt={`Captura de tela de ${selectedProject.title}`}
+              className="notebook-screenshot"
+              fill
+              sizes="(min-width: 681px) 60vw, 100vw"
+              src={selectedProject.screenshotSrc}
+              unoptimized
+            />
+            {frame.cursorVisible ? (
+              <span
+                aria-hidden="true"
+                className={`notebook-cursor${frame.cursorClicking ? " is-clicking" : ""}`}
+                data-testid="notebook-cursor"
+                style={{
+                  left: `${frame.cursorX * 100}%`,
+                  top: `${frame.cursorY * 100}%`,
+                }}
+              />
+            ) : null}
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/app/components/story/NotebookFallback.test.tsx b/app/components/story/NotebookFallback.test.tsx
new file mode 100644
index 0000000..2acdd7d
--- /dev/null
+++ b/app/components/story/NotebookFallback.test.tsx
@@ -0,0 +1,43 @@
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { portfolio } from "@/lib/portfolio-data";
+import NotebookFallback from "./NotebookFallback";
+import { selectNotebookProjects } from "./notebookProjects";
+
+const projects = selectNotebookProjects(portfolio.projects);
+
+describe("NotebookFallback", () => {
+  it("keeps project content and controls in normal document flow", () => {
+    const { container } = render(<NotebookFallback projects={projects} />);
+
+    expect(screen.getByTestId("notebook-fallback")).toBeInTheDocument();
+    expect(screen.getByRole("tablist")).toBeInTheDocument();
+    expect(screen.getByRole("tabpanel")).toBeInTheDocument();
+    expect(
+      screen.getByRole("link", { name: /abrir projeto/i }),
+    ).toBeInTheDocument();
+    expect(container.querySelector("canvas")).not.toBeInTheDocument();
+  });
+
+  it("allows manual tab changes without an animated stage", async () => {
+    const user = userEvent.setup();
+    const { container } = render(<NotebookFallback projects={projects} />);
+
+    await user.click(screen.getAllByRole("tab")[2]);
+
+    expect(screen.getByRole("tabpanel")).toHaveAccessibleName(
+      /SEV Moda Íntima/i,
+    );
+    expect(container.querySelector("canvas")).not.toBeInTheDocument();
+  });
+
+  it("respects the requested initial project", () => {
+    render(<NotebookFallback initialIndex={3} projects={projects} />);
+
+    expect(screen.getByRole("tabpanel")).toHaveAccessibleName(/AS Serviços/i);
+    expect(screen.getAllByRole("tab")[3]).toHaveAttribute(
+      "aria-selected",
+      "true",
+    );
+  });
+});
diff --git a/app/components/story/NotebookFallback.tsx b/app/components/story/NotebookFallback.tsx
new file mode 100644
index 0000000..7d6bca3
--- /dev/null
+++ b/app/components/story/NotebookFallback.tsx
@@ -0,0 +1,47 @@
+"use client";
+
+import { useState } from "react";
+import NotebookBrowser from "./NotebookBrowser";
+import type { NotebookProject } from "./notebookProjects";
+
+export type NotebookFallbackProps = {
+  projects: NotebookProject[];
+  initialIndex?: number;
+};
+
+function clampIndex(index: number, length: number): number {
+  if (length < 1) return -1;
+  return Math.min(Math.max(index, 0), length - 1);
+}
+
+export default function NotebookFallback({
+  projects,
+  initialIndex = 0,
+}: NotebookFallbackProps) {
+  const [activeIndex, setActiveIndex] = useState(() =>
+    clampIndex(initialIndex, projects.length),
+  );
+
+  return (
+    <div className="notebook-fallback" data-testid="notebook-fallback">
+      <div className="notebook-fallback-intro">
+        <span className="notebook-fallback-kicker">Interface em produção</span>
+        <p>
+          Navegue pelos projetos com as abas abaixo. A experiência permanece
+          completa sem movimento ou WebGL.
+        </p>
+      </div>
+      <NotebookBrowser
+        activeIndex={activeIndex}
+        frame={{
+          cursorClicking: false,
+          cursorVisible: false,
+          cursorX: 0,
+          cursorY: 0,
+        }}
+        onSelectTab={setActiveIndex}
+        projects={projects}
+      />
+    </div>
+  );
+}
diff --git a/app/globals.css b/app/globals.css
index 965c671..8af320e 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -824,3 +824,386 @@ textarea {
 .cinematic-reveal {
   will-change: transform, opacity;
 }
+
+/* Notebook story */
+.notebook-story {
+  position: relative;
+  overflow: clip;
+  background: var(--ink);
+  color: var(--paper);
+}
+
+.notebook-story-runway {
+  position: relative;
+  min-height: 100dvh;
+}
+
+.notebook-story-sticky {
+  position: sticky;
+  top: 0;
+  display: grid;
+  min-height: 100dvh;
+  place-items: center;
+  padding: clamp(40px, 7vw, 96px) clamp(20px, 6vw, 80px);
+}
+
+.notebook-story-grid {
+  display: grid;
+  grid-template-columns: minmax(180px, 0.44fr) minmax(0, 1fr);
+  align-items: center;
+  gap: clamp(28px, 6vw, 96px);
+  width: min(1240px, 100%);
+}
+
+.notebook-story-copy {
+  max-width: 360px;
+}
+
+.notebook-story-kicker,
+.notebook-fallback-kicker,
+.notebook-browser-eyebrow {
+  color: var(--slash);
+  font-family: var(--font-mono);
+  font-size: 10px;
+  font-weight: 700;
+  letter-spacing: 0.16em;
+  line-height: 1.2;
+  text-transform: uppercase;
+}
+
+.notebook-story-copy h2 {
+  margin-top: var(--sp-4);
+  max-width: 8ch;
+  color: var(--white);
+  font-family: var(--font-display);
+  font-size: clamp(38px, 5vw, 72px);
+  font-weight: 500;
+  letter-spacing: -0.06em;
+  line-height: 0.94;
+}
+
+.notebook-story-copy p {
+  max-width: 32ch;
+  margin-top: var(--sp-6);
+  color: rgba(244, 242, 237, 0.64);
+  font-size: 13px;
+  line-height: 1.7;
+}
+
+.notebook-story-stage {
+  position: relative;
+  display: grid;
+  min-width: 0;
+  min-height: min(62vw, 680px);
+  place-items: center;
+}
+
+.notebook-story-canvas {
+  position: absolute;
+  inset: 0;
+  width: 100%;
+  height: 100%;
+}
+
+.notebook-fallback {
+  width: min(1080px, 100%);
+  margin: 0 auto;
+  padding: clamp(48px, 9vw, 112px) clamp(20px, 6vw, 80px);
+}
+
+.notebook-fallback-intro {
+  width: min(560px, 100%);
+  margin-bottom: var(--sp-8);
+}
+
+.notebook-fallback-intro p {
+  margin-top: var(--sp-3);
+  color: rgba(244, 242, 237, 0.68);
+  font-size: 13px;
+}
+
+.notebook-browser {
+  position: relative;
+  width: min(100%, 940px);
+  overflow: hidden;
+  border: 1px solid rgba(244, 242, 237, 0.16);
+  background: #101313;
+  color: var(--paper);
+  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.34);
+}
+
+.notebook-browser-bar {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-height: 36px;
+  padding: 0 var(--sp-4);
+  border-bottom: 1px solid rgba(244, 242, 237, 0.1);
+  background: #181d1d;
+}
+
+.notebook-browser-dot {
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: rgba(244, 242, 237, 0.34);
+}
+
+.notebook-browser-dot:first-child {
+  background: #e46c4d;
+}
+
+.notebook-browser-dot:nth-child(2) {
+  background: #d6aa57;
+}
+
+.notebook-browser-dot:nth-child(3) {
+  background: #7cbd67;
+}
+
+.notebook-browser-address {
+  margin-left: var(--sp-3);
+  color: rgba(244, 242, 237, 0.42);
+  font-family: var(--font-mono);
+  font-size: 10px;
+  letter-spacing: 0.04em;
+}
+
+.notebook-browser-body {
+  padding: clamp(20px, 3vw, 32px);
+}
+
+.notebook-browser-heading {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: var(--sp-4);
+}
+
+.notebook-browser-counter {
+  color: rgba(244, 242, 237, 0.44);
+  font-family: var(--font-mono);
+  font-size: 10px;
+  letter-spacing: 0.08em;
+}
+
+.notebook-tablist {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 1px;
+  margin-top: var(--sp-5);
+  border-block: 1px solid rgba(244, 242, 237, 0.12);
+}
+
+.notebook-tab {
+  display: flex;
+  min-width: 0;
+  align-items: center;
+  gap: var(--sp-2);
+  padding: 14px 10px;
+  border: 0;
+  border-bottom: 2px solid transparent;
+  background: transparent;
+  color: rgba(244, 242, 237, 0.48);
+  cursor: pointer;
+  text-align: left;
+  transition:
+    color 180ms ease,
+    border-color 180ms ease,
+    background-color 180ms ease;
+}
+
+.notebook-tab:hover,
+.notebook-tab[aria-selected="true"] {
+  border-bottom-color: var(--slash);
+  background: rgba(204, 255, 0, 0.06);
+  color: var(--white);
+}
+
+.notebook-tab-number {
+  flex: 0 0 auto;
+  color: var(--slash);
+  font-family: var(--font-mono);
+  font-size: 10px;
+}
+
+.notebook-tab-title {
+  overflow: hidden;
+  font-family: var(--font-display);
+  font-size: 12px;
+  font-weight: 500;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.notebook-panel {
+  display: grid;
+  grid-template-columns: minmax(140px, 0.35fr) minmax(0, 1fr);
+  align-items: center;
+  gap: clamp(20px, 3vw, 36px);
+  margin-top: var(--sp-6);
+}
+
+.notebook-panel-copy h3 {
+  color: var(--white);
+  font-family: var(--font-display);
+  font-size: clamp(22px, 3vw, 36px);
+  font-weight: 500;
+  letter-spacing: -0.04em;
+  line-height: 1;
+}
+
+.notebook-panel-copy > p {
+  margin-top: var(--sp-2);
+  color: rgba(244, 242, 237, 0.6);
+  font-size: 12px;
+  line-height: 1.5;
+}
+
+.notebook-panel-copy ul {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  margin-top: var(--sp-4);
+  list-style: none;
+}
+
+.notebook-panel-copy li {
+  padding: 4px 7px;
+  border: 1px solid rgba(244, 242, 237, 0.15);
+  color: rgba(244, 242, 237, 0.7);
+  font-family: var(--font-mono);
+  font-size: 9px;
+  line-height: 1.2;
+}
+
+.notebook-panel-copy a {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  margin-top: var(--sp-5);
+  color: var(--slash);
+  font-family: var(--font-mono);
+  font-size: 10px;
+  font-weight: 700;
+  letter-spacing: 0.08em;
+  text-decoration: none;
+  text-transform: uppercase;
+}
+
+.notebook-panel-copy a:hover {
+  color: var(--white);
+}
+
+.notebook-screenshot-wrap {
+  position: relative;
+  overflow: hidden;
+  aspect-ratio: 16 / 9;
+  border: 1px solid rgba(244, 242, 237, 0.16);
+  background: var(--paper-dark);
+}
+
+.notebook-screenshot-wrap img {
+  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.notebook-cursor {
+  position: absolute;
+  z-index: 1;
+  width: 15px;
+  height: 20px;
+  border: 2px solid var(--white);
+  background: var(--ink);
+  box-shadow: 2px 2px 0 var(--slash);
+  pointer-events: none;
+  transform: translate(-2px, -2px) rotate(-18deg);
+  transition:
+    width 120ms ease,
+    height 120ms ease,
+    box-shadow 120ms ease;
+}
+
+.notebook-cursor.is-clicking {
+  width: 12px;
+  height: 16px;
+  box-shadow: 1px 1px 0 var(--slash);
+}
+
+@media (max-width: 1024px) {
+  .notebook-story-runway {
+    min-height: auto;
+  }
+
+  .notebook-story-sticky {
+    position: relative;
+    min-height: auto;
+  }
+
+  .notebook-story-grid {
+    grid-template-columns: 1fr;
+  }
+
+  .notebook-story-copy {
+    max-width: 560px;
+  }
+
+  .notebook-story-copy h2 {
+    max-width: 12ch;
+  }
+
+  .notebook-story-stage {
+    min-height: min(78vw, 620px);
+  }
+}
+
+@media (max-width: 680px) {
+  .notebook-story-sticky {
+    padding-inline: 20px;
+  }
+
+  .notebook-story-copy h2 {
+    font-size: clamp(38px, 14vw, 64px);
+  }
+
+  .notebook-story-stage {
+    min-height: 84vw;
+  }
+
+  .notebook-fallback {
+    padding-inline: 20px;
+  }
+
+  .notebook-browser-body {
+    padding: 16px;
+  }
+
+  .notebook-tablist {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
+  .notebook-tab {
+    padding: 12px 8px;
+  }
+
+  .notebook-tab-title {
+    white-space: normal;
+  }
+
+  .notebook-panel {
+    grid-template-columns: 1fr;
+  }
+
+  .notebook-panel-copy {
+    order: 2;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .notebook-tab,
+  .notebook-cursor {
+    transition: none;
+  }
+}