diff --git a/resources/js/components/landing/download-rail.tsx b/resources/js/components/landing/download-rail.tsx
index a60ee10..6c16e6d 100644
--- a/resources/js/components/landing/download-rail.tsx
+++ b/resources/js/components/landing/download-rail.tsx
@@ -28,7 +28,6 @@ interface Props {
 export default function DownloadRail({ note }: Props) {
     return (
         <>
-            <FullLine />
             <Container>
                 <div className="flex flex-col gap-3 px-4 py-4 sm:flex-row sm:items-center sm:justify-between">
                     <p className="font-mono text-xs text-muted-foreground">{note}</p>
diff --git a/resources/js/components/landing/objection-row.tsx b/resources/js/components/landing/objection-row.tsx
index d8c25c6..c58b272 100644
--- a/resources/js/components/landing/objection-row.tsx
+++ b/resources/js/components/landing/objection-row.tsx
@@ -28,7 +28,6 @@ const QUESTIONS = [
 export default function ObjectionRow() {
     return (
         <section aria-label="Common questions before downloading">
-            <FullLine />
             <Container>
                 <div className="grid grid-cols-1 md:grid-cols-2">
                     {QUESTIONS.map((question, i) => {
diff --git a/resources/js/components/landing/pricing.tsx b/resources/js/components/landing/pricing.tsx
index 1fee784..e1019fd 100644
--- a/resources/js/components/landing/pricing.tsx
+++ b/resources/js/components/landing/pricing.tsx
@@ -345,9 +345,8 @@ export default function Pricing({ paymentProvider, teamMinSeats }: { paymentProv
                 <FullLine />
             </Container>
 
-            {/* Billing toggle */}
+            {/* Billing toggle. No opening rule: the ledger above closes with one. */}
             <Container>
-                <FullLine />
                 <div className="flex items-center justify-center overflow-x-auto py-4">
                     <div className="inline-flex items-center rounded-full border border-rule bg-surface-raised p-1">
                         {cycles.map((c) => (
diff --git a/resources/js/components/landing/spec-strip.tsx b/resources/js/components/landing/spec-strip.tsx
index 9b48bb6..0c3276c 100644
--- a/resources/js/components/landing/spec-strip.tsx
+++ b/resources/js/components/landing/spec-strip.tsx
@@ -81,7 +81,13 @@ export default function SpecStrip({ latestRelease }: Props) {
 
     return (
         <section aria-label="Key specifications" className="scroll-mt-20">
-            <FullLine />
+            {/*
+              * No opening rule. The block above this one closes with a
+              * FullLine, and two rules at the same y draw a single hairline
+              * while consuming two ordinals — which is how the gutter ended
+              * up printing 08 and 09 on top of each other. A boundary is one
+              * rule, and it belongs to whatever closes.
+              */}
             <Container>
                 <DataTable
                     className="table-fixed"
diff --git a/resources/js/layouts/landing-layout.tsx b/resources/js/layouts/landing-layout.tsx
index 5a5debc..4e9354f 100644
--- a/resources/js/layouts/landing-layout.tsx
+++ b/resources/js/layouts/landing-layout.tsx
@@ -51,6 +51,16 @@ export default function LandingLayout({ header, footer, children }: Props) {
             </a>
             {header}
             {/*
+              * `grid-rows-[1fr_auto]` is load-bearing, not cosmetic. The gutters and
+              * the container rails span the full height with `row-span-full`, which
+              * compiles to `grid-row: 1 / -1` — and `-1` counts back from the last
+              * line of the *explicit* grid. With only `grid-cols` declared, every
+              * row was implicit, so `-1` resolved to line 1 and the span collapsed
+              * to a single row: all four vertical lines stopped dead where <main>
+              * ended and the footer stood beside nothing. Declaring the two rows
+              * makes `-1` mean what it reads like. The `1fr` also pins the footer
+              * to the bottom on short pages, which `min-h-dvh` alone did not.
+              *
               * The middle column is 80rem, matching `Container`'s own max-width,
               * not `--breakpoint-2xl` (96rem). At 96rem the container floated
               * free of its column above ~1616px and the gutters detached from
@@ -59,7 +69,7 @@ export default function LandingLayout({ header, footer, children }: Props) {
               * equal.
               */}
             <div
-                className="grid min-h-dvh grid-cols-1 justify-center [--gutter-width:2.5rem] md:-mx-4 md:grid-cols-[var(--gutter-width)_minmax(0,80rem)_var(--gutter-width)] lg:mx-0"
+                className="grid min-h-dvh grid-cols-1 grid-rows-[1fr_auto] justify-center [--gutter-width:2.5rem] md:-mx-4 md:grid-cols-[var(--gutter-width)_minmax(0,80rem)_var(--gutter-width)] lg:mx-0"
             >
                 {/*
                   * Left gutter. The 45-degree hatch is gone: it was the page's
diff --git a/resources/js/pages/Download.tsx b/resources/js/pages/Download.tsx
index b30aec5..1b1f7d9 100644
--- a/resources/js/pages/Download.tsx
+++ b/resources/js/pages/Download.tsx
@@ -157,9 +157,8 @@ export default function Download({ downloadUrls, githubStars }: Props) {
                     <FullLine />
                 </Container>
 
-                {/* System requirements */}
+                {/* System requirements. No opening rule: the block above closes with one. */}
                 <Container>
-                    <FullLine />
                     <p className="px-4 py-2 text-xs text-muted-foreground-subtle">
                         Requires macOS 14 Sonoma or later
                     </p>
diff --git a/tests/Feature/Landing/LandingStructureTest.php b/tests/Feature/Landing/LandingStructureTest.php
index 4ad9afa..904ee9d 100644
--- a/tests/Feature/Landing/LandingStructureTest.php
+++ b/tests/Feature/Landing/LandingStructureTest.php
@@ -154,3 +154,69 @@ function landingHtml(): string
     expect($html)->toContain('>Included<');
     expect($html)->toContain('>Not included<');
 });
+
+it('never draws two rules at the same height', function (): void {
+    $html = landingHtml();
+
+    /*
+     * Two rules with nothing between them but a section boundary render as one
+     * hairline and consume two ordinals, so the gutter prints both numbers on
+     * top of each other. That shipped, visibly, as an unreadable "08/09" —
+     * a boundary is one rule, and it belongs to whatever closes.
+     *
+     * Only `<section>` and unstyled `<div>` count as transparent here. Anything
+     * that can carry height genuinely separates the two.
+     */
+    preg_match_all('/<div class="[^"]*rule-numbered[^"]*"[^>]*>/', $html, $matches, PREG_OFFSET_CAPTURE);
+
+    $ends = [];
+    foreach ($matches[0] as [$tag, $offset]) {
+        $open = $offset + strlen($tag);
+        $close = strpos($html, '</div>', $open);
+        if (str_contains(substr($html, $open, $close - $open), '<div')) {
+            $close = strpos($html, '</div>', strpos($html, '</div>', $open) + 6);
+        }
+        $ends[] = [$offset, $close + 6];
+    }
+
+    $coincident = [];
+    for ($i = 0; $i < count($ends) - 1; $i++) {
+        $between = substr($html, $ends[$i][1], $ends[$i + 1][0] - $ends[$i][1]);
+
+        if (trim(strip_tags($between)) !== '') {
+            continue;
+        }
+
+        $boxes = false;
+        preg_match_all('/<(\w+)([^>]*)>/', $between, $tags, PREG_SET_ORDER);
+        foreach ($tags as $tag) {
+            if (! in_array($tag[1], ['section', 'div'], true)) {
+                $boxes = true;
+                break;
+            }
+            if (preg_match('/(?<!scroll-)\b(h-\d|min-h|p-\d|py-\d|pt-\d|pb-\d|m[tby]?-\d|grid|flex)/', $tag[2])) {
+                $boxes = true;
+                break;
+            }
+        }
+
+        if (! $boxes) {
+            $coincident[] = ($i + 1) . '/' . ($i + 2);
+        }
+    }
+
+    expect($coincident)->toBe([], 'Rules ' . implode(', ', $coincident) . ' render at the same height');
+});
+
+it('spans the gutters and rails past the footer', function (): void {
+    $html = landingHtml();
+
+    /*
+     * `row-span-full` compiles to `grid-row: 1 / -1`, and `-1` counts back from
+     * the last line of the *explicit* grid. With only `grid-cols` declared every
+     * row was implicit, `-1` resolved to line 1, and all four vertical lines
+     * stopped dead where <main> ended — the footer stood beside nothing.
+     */
+    expect($html)->toContain('grid-rows-[1fr_auto]');
+    expect($html)->toContain('row-start-2');
+});