diff --git a/assets/style.css b/assets/style.css
index 94862d7..604bda1 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -410,66 +410,3 @@
   border: 1px solid hsl(var(--border));
   padding: 0.4rem 0.6rem;
 }
-
-/* --- Article layout grid --- */
-
-.terminal-article-grid {
-  display: grid;
-  grid-template-columns: 18ch 1fr;
-  gap: 2rem;
-  align-items: start;
-}
-
-@media (max-width: 768px) {
-  .terminal-article-grid {
-    grid-template-columns: 1fr;
-  }
-}
-
-.terminal-main-80 {
-  max-width: 80ch;
-  margin: 0 auto;
-  font-family: var(--font-body, ui-monospace, monospace);
-}
-
-/* --- Reliable responsive grids (see manifest.yaml input_css_append:
-   the host scans rendered block HTML, not theme override templates, so
-   responsive Tailwind grid utilities in overrides are purge-fragile;
-   define multi-column layout in CSS instead). minmax(0,1fr) prevents
-   long content forcing horizontal overflow on mobile. --- */
-.tty-grid,
-.tty-grid-2,
-.tty-grid-3,
-.tty-grid-4 { display: grid; gap: 1.5rem; grid-template-columns: repeat(1, minmax(0, 1fr)); }
-@media (min-width: 640px) {
-  .tty-grid-2,
-  .tty-grid-3,
-  .tty-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
-}
-@media (min-width: 1024px) {
-  .tty-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
-  .tty-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-}
-.tty-grid-stats2,
-.tty-grid-stats3,
-.tty-grid-stats4 { display: grid; gap: 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
-@media (min-width: 768px) {
-  .tty-grid-stats3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
-  .tty-grid-stats4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-}
-
-/* --- Two-column form grid (col-span utilities purge-fragile) --- */
-.tty-form-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(1, minmax(0, 1fr)); }
-.tty-form-grid > .tty-col-full { grid-column: 1 / -1; }
-@media (min-width: 640px) { .tty-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
-
-/* --- Contained console shell for full-width landing pages --- */
-.tty-console-shell { width: 100%; max-width: 56rem; margin: 1.5rem auto; padding-inline: 1rem; }
-
-/* --- Hero heights (purge-fragile utilities pinned in CSS) --- */
-.tty-hero { position: relative; }
-.tty-hero-screen { min-height: 100vh; }
-.tty-hero-tall   { min-height: 75vh; }
-.tty-hero-half   { min-height: 50vh; }
-.tty-hero-auto   { min-height: 24rem; }
-.tty-hero-media  { min-height: 20rem; }
diff --git a/blocks/boot_log.ninjatpl b/blocks/boot_log.ninjatpl
index 6f8b1d9..cd35273 100644
--- a/blocks/boot_log.ninjatpl
+++ b/blocks/boot_log.ninjatpl
@@ -1 +1 @@
-{% if lines %}<div class="tty-console-shell"><div class="boot-log" data-block="terminal:boot_log">{% for line in lines %}<span class="boot-line" data-line-index="{{ forloop.Counter0 }}" style="animation-delay: {{ forloop.Counter * 80 }}ms;">[ {{ forloop.Counter0 }} ] {{ line }}</span>{% endfor %}{% set cur = cursor|default:"block" %}{% if cur != "none" %}<span class="boot-cursor">{% if cur == "underscore" %}_{% elif cur == "pipe" %}|{% else %}█{% endif %}</span>{% endif %}</div></div>{% endif %}
+{% if lines %}<div class="w-full max-w-4xl mx-auto my-6 px-4"><div class="boot-log" data-block="terminal:boot_log">{% for line in lines %}<span class="boot-line" data-line-index="{{ forloop.Counter0 }}" style="animation-delay: {{ forloop.Counter * 80 }}ms;">[ {{ forloop.Counter0 }} ] {{ line }}</span>{% endfor %}{% set cur = cursor|default:"block" %}{% if cur != "none" %}<span class="boot-cursor">{% if cur == "underscore" %}_{% elif cur == "pipe" %}|{% else %}█{% endif %}</span>{% endif %}</div></div>{% endif %}
diff --git a/blocks/code_console.ninjatpl b/blocks/code_console.ninjatpl
index 99e2b7e..c5d3d00 100644
--- a/blocks/code_console.ninjatpl
+++ b/blocks/code_console.ninjatpl
@@ -1 +1 @@
-{% if command or output %}<div class="tty-console-shell"><div class="code-console" data-block="terminal:code_console" data-language="{{ language|default:"shell" }}">{% if command %}<div class="cmd-line"><span class="cmd-prompt">{{ prompt|default:"$" }}</span><span class="cmd-text">{{ command }}</span></div>{% endif %}{% if output %}<pre>{{ output }}</pre>{% endif %}</div></div>{% endif %}
+{% if command or output %}<div class="w-full max-w-4xl mx-auto my-6 px-4"><div class="code-console" data-block="terminal:code_console" data-language="{{ language|default:"shell" }}">{% if command %}<div class="cmd-line"><span class="cmd-prompt">{{ prompt|default:"$" }}</span><span class="cmd-text">{{ command }}</span></div>{% endif %}{% if output %}<pre>{{ output }}</pre>{% endif %}</div></div>{% endif %}
diff --git a/manifest.yaml b/manifest.yaml
index 6fcd716..2156b2e 100644
--- a/manifest.yaml
+++ b/manifest.yaml
@@ -446,70 +446,6 @@ css:
       animation: caret-blink 1s step-end infinite;
     }
 
-    /* --- Layout helpers --------------------------------------- */
-
-    .terminal-main-80 { max-width: 80ch; margin: 0 auto; }
-
-    .terminal-article-grid {
-      display: grid;
-      grid-template-columns: 20ch 1fr;
-      gap: 2rem;
-      align-items: start;
-    }
-    @media (max-width: 768px) { .terminal-article-grid { grid-template-columns: 1fr; } }
-
-    /* --- Reliable responsive grids ----------------------------
-       The host scans rendered block HTML, not theme override
-       .ninjatpl files, so responsive Tailwind grid utilities used
-       only in overrides (lg:grid-cols-*, sm:grid-cols-2) are
-       purge-fragile and can silently collapse to one column on
-       desktop. Multi-column layout is therefore defined here as
-       plain CSS, which is compiled into the Tailwind input and can
-       never be purged. minmax(0,1fr) stops long/unbreakable content
-       from forcing horizontal overflow on mobile. */
-    .tty-grid,
-    .tty-grid-2,
-    .tty-grid-3,
-    .tty-grid-4 { display: grid; gap: 1.5rem; grid-template-columns: repeat(1, minmax(0, 1fr)); }
-    @media (min-width: 640px) {
-      .tty-grid-2,
-      .tty-grid-3,
-      .tty-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
-    }
-    @media (min-width: 1024px) {
-      .tty-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
-      .tty-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-    }
-    .tty-grid-stats2,
-    .tty-grid-stats3,
-    .tty-grid-stats4 { display: grid; gap: 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
-    @media (min-width: 768px) {
-      .tty-grid-stats3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
-      .tty-grid-stats4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-    }
-
-    /* --- Two-column form grid (col-span utilities in overrides
-       are purge-fragile; pin the grid in CSS) ------------------- */
-    .tty-form-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(1, minmax(0, 1fr)); }
-    .tty-form-grid > .tty-col-full { grid-column: 1 / -1; }
-    @media (min-width: 640px) { .tty-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
-
-    /* --- Contained console shell ------------------------------
-       The persona code-console / boot-log blocks ship no max-width
-       wrapper, so on a full-width landing page they run edge-to-edge
-       while the neighbouring sections are contained. This shell
-       centres them and keeps a mobile side gutter. */
-    .tty-console-shell { width: 100%; max-width: 56rem; margin: 1.5rem auto; padding-inline: 1rem; }
-
-    /* --- Hero heights (min-h-screen / arbitrary min-h-[..] are
-       purge-fragile utilities; pin them in CSS) ----------------- */
-    .tty-hero { position: relative; }
-    .tty-hero-screen { min-height: 100vh; }
-    .tty-hero-tall   { min-height: 75vh; }
-    .tty-hero-half   { min-height: 50vh; }
-    .tty-hero-auto   { min-height: 24rem; }
-    .tty-hero-media  { min-height: 20rem; }
-
     /* --- Reduced motion: kill all motion ---------------------- */
 
     @media (prefers-reduced-motion: reduce) {
diff --git a/templates/overrides/terminal/contact-card.ninjatpl b/templates/overrides/terminal/contact-card.ninjatpl
index 16f13dc..4f7454f 100644
--- a/templates/overrides/terminal/contact-card.ninjatpl
+++ b/templates/overrides/terminal/contact-card.ninjatpl
@@ -3,7 +3,7 @@
   <div class="mx-auto max-w-4xl px-4">
     {% if heading %}<h2 class="terminal-heading text-3xl font-semibold tracking-tight md:text-4xl" data-text="{{ heading }}">{{ heading }}</h2>{% endif %}
     {% if description %}<p class="mt-3 max-w-2xl text-lg text-muted-foreground">{{ description }}</p>{% endif %}
-    <div class="mt-8 {% if columns == 3 %}tty-grid-3{% elif columns == 1 %}tty-grid{% else %}tty-grid-2{% endif %}">
+    <div class="mt-8 grid grid-cols-1 gap-6{% if columns == 3 %} sm:grid-cols-2 lg:grid-cols-3{% elif columns == 1 %}{% else %} sm:grid-cols-2{% endif %}">
       {% for channel in channels %}
       <div class="tty-corners flex items-start gap-4 rounded-md border border-primary/40 bg-card p-5 text-card-foreground tty-frame">
         {% if channel.icon %}<span class="inline-flex h-10 w-10 shrink-0 items-center justify-center rounded-md bg-primary/10 text-primary"><svg class="h-5 w-5" aria-hidden="true"><use href="/icons/{{ channel.icon|split:":"|first }}.svg#{{ channel.icon|split:":"|last }}"></use></svg></span>{% endif %}
diff --git a/templates/overrides/terminal/contact-form.ninjatpl b/templates/overrides/terminal/contact-form.ninjatpl
index 5a2e0f7..315766f 100644
--- a/templates/overrides/terminal/contact-form.ninjatpl
+++ b/templates/overrides/terminal/contact-form.ninjatpl
@@ -12,9 +12,9 @@
     {% if description %}<p class="mt-3 text-lg text-muted-foreground">{{ description }}</p>{% endif %}
     {% if form.errors._form %}<div class="mt-6 rounded-md border border-destructive/50 bg-destructive/10 px-4 py-3 text-sm text-destructive">{{ form.errors._form }}</div>{% endif %}
     {% with formAction="/api/blocks/"|add:bid|add:"/submit" formTarget="#contact-form-"|add:bid %}
-    {% form action=formAction hx_target=formTarget hx_swap="outerHTML" class="mt-8 tty-form-grid" %}
+    {% form action=formAction hx_target=formTarget hx_swap="outerHTML" class="mt-8 grid grid-cols-1 sm:grid-cols-2 gap-5" %}
       {% for field in fields %}
-      <div class="{% if field.width == "half" %}tty-col-half{% else %}tty-col-full{% endif %}">
+      <div class="{% if field.width == "half" %}{% else %}col-span-full{% endif %}">
         {% if field.label %}<label for="cf-{{ bid }}-{{ field.name }}" class="terminal-mono mb-1.5 block text-sm font-medium uppercase tracking-wide text-accent">{{ field.label }}{% if field.required %} <span class="text-destructive">*</span>{% endif %}</label>{% endif %}
         {% if field.type == "textarea" %}
         <textarea id="cf-{{ bid }}-{{ field.name }}" name="{{ field.name }}" rows="5"{% if field.required %} required{% endif %}{% if field.placeholder %} placeholder="{{ field.placeholder }}"{% endif %} class="w-full rounded-md border border-primary/40 bg-background px-3 py-2 text-sm placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-ring"></textarea>
@@ -29,7 +29,7 @@
       </div>
       {% endfor %}
       <div class="hidden" aria-hidden="true"><label>Leave this field empty<input type="text" name="website" tabindex="-1" autocomplete="off"></label></div>
-      <div class="tty-col-full">
+      <div class="col-span-full">
         <button type="submit" class="terminal-mono inline-flex items-center justify-center rounded-md bg-primary px-6 py-2.5 text-sm font-medium uppercase tracking-wider text-primary-foreground transition-colors hover:bg-primary/90 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2">{{ submitLabel|default:"Send message" }}</button>
       </div>
     {% endform %}
diff --git a/templates/overrides/terminal/feature-grid.ninjatpl b/templates/overrides/terminal/feature-grid.ninjatpl
index 2a1a60f..01453ae 100644
--- a/templates/overrides/terminal/feature-grid.ninjatpl
+++ b/templates/overrides/terminal/feature-grid.ninjatpl
@@ -5,7 +5,7 @@
     {% if eyebrow %}<p class="terminal-mono text-center text-xs font-semibold uppercase tracking-widest text-accent">{{ eyebrow }}</p>{% endif %}
     {% if heading %}<h2 class="terminal-heading mt-2 text-center text-3xl font-semibold tracking-tight md:text-4xl" data-text="{{ heading }}">{{ heading }}</h2>{% endif %}
     {% if intro %}<p class="mx-auto mt-4 max-w-2xl text-center text-lg text-muted-foreground">{{ intro }}</p>{% endif %}
-    <div class="mt-10 tty-grid-{% if columns == 2 %}2{% elif columns == 4 %}4{% else %}3{% endif %}">
+    <div class="mt-10 grid grid-cols-1 sm:grid-cols-2 gap-6{% if columns == 2 %}{% elif columns == 4 %} lg:grid-cols-4{% else %} lg:grid-cols-3{% endif %}">
       {% for item in items %}
       <div class="{% if layout == "card" %}tty-corners rounded-md border border-primary/40 bg-card p-6 text-card-foreground tty-frame transition-transform hover:-translate-y-0.5{% elif layout == "centered" %}text-center{% endif %}">
         {% if item.icon %}<div class="mb-4 inline-flex h-11 w-11 items-center justify-center rounded-md bg-primary/10 text-primary{% if layout == "centered" %} mx-auto{% endif %}"><svg class="h-6 w-6" aria-hidden="true"><use href="/icons/{{ item.icon|split:":"|first }}.svg#{{ item.icon|split:":"|last }}"></use></svg></div>{% endif %}
diff --git a/templates/overrides/terminal/hero.ninjatpl b/templates/overrides/terminal/hero.ninjatpl
index 0ac86cf..796e995 100644
--- a/templates/overrides/terminal/hero.ninjatpl
+++ b/templates/overrides/terminal/hero.ninjatpl
@@ -26,13 +26,13 @@
 {% endmacro %}
 {% if variant == "split" %}
 <section class="hero grid grid-cols-1 lg:grid-cols-2 overflow-hidden bg-background text-foreground{% if class %} {{ class }}{% endif %}">
-<div class="relative tty-hero-media bg-muted {% if mediaPosition == "left" %}order-1 lg:order-1{% else %}order-1 lg:order-2{% endif %}">{% if hasImage %}{% img backgroundImage alt=headlineText class="absolute inset-0 h-full w-full object-cover" layout="hero" %}{% else %}<div class="tty-rain-wrap"><div class="tty-rain-fallback"></div><canvas class="tty-rain-canvas" aria-hidden="true"></canvas></div>{% endif %}<div aria-hidden="true" class="tty-scanlines pointer-events-none absolute inset-0"></div></div>
+<div class="relative min-h-80 bg-muted {% if mediaPosition == "left" %}order-1 lg:order-1{% else %}order-1 lg:order-2{% endif %}">{% if hasImage %}{% img backgroundImage alt=headlineText class="absolute inset-0 h-full w-full object-cover" layout="hero" %}{% else %}<div class="tty-rain-wrap"><div class="tty-rain-fallback"></div><canvas class="tty-rain-canvas" aria-hidden="true"></canvas></div>{% endif %}<div aria-hidden="true" class="tty-scanlines pointer-events-none absolute inset-0"></div></div>
 <div class="flex flex-col justify-center px-6 py-16 lg:px-12 {% if mediaPosition == "left" %}order-2 lg:order-2{% else %}order-2 lg:order-1{% endif %}"><div class="max-w-lg text-left">{{ herocontent("left") }}</div></div>
 </section>
 {% else %}
 {% set align = "center" %}
 {% if variant == "left-aligned" %}{% set align = "left" %}{% endif %}
-<section class="hero tty-hero flex flex-col overflow-hidden bg-background text-foreground {% if minHeight == "screen" %}tty-hero-screen{% elif minHeight == "50vh" %}tty-hero-half{% elif minHeight == "auto" %}tty-hero-auto{% else %}tty-hero-tall{% endif %} {% if verticalAlign == "top" %}justify-start pt-20{% elif verticalAlign == "bottom" %}justify-end pb-20{% else %}justify-center{% endif %}{% if class %} {{ class }}{% endif %}">
+<section class="hero relative flex flex-col overflow-hidden bg-background text-foreground {% if minHeight == "screen" %}min-h-screen{% elif minHeight == "50vh" %}min-h-[50vh]{% elif minHeight == "auto" %}min-h-96{% else %}min-h-[75vh]{% endif %} {% if verticalAlign == "top" %}justify-start pt-20{% elif verticalAlign == "bottom" %}justify-end pb-20{% else %}justify-center{% endif %}{% if class %} {{ class }}{% endif %}">
 {% if hasImage %}<div class="absolute inset-0 z-0">{% img backgroundImage alt=headlineText class="h-full w-full object-cover" layout="hero" %}{% if showOverlay %}<div class="absolute inset-0 {% if overlayColor == "light" %}bg-background/60{% elif overlayColor == "primary" %}bg-primary/50{% elif overlayOpacity <= 30 %}bg-black/30{% elif overlayOpacity <= 50 %}bg-black/50{% elif overlayOpacity <= 70 %}bg-black/70{% else %}bg-black/80{% endif %}"></div>{% endif %}</div>{% else %}<div class="tty-rain-wrap z-0"><div class="tty-rain-fallback"></div><canvas class="tty-rain-canvas" aria-hidden="true"></canvas></div>{% endif %}
 <div aria-hidden="true" class="tty-scanlines pointer-events-none absolute inset-0 z-0"></div>
 <div class="relative z-10 mx-auto w-full max-w-4xl px-4 sm:px-6 lg:px-8 {% if variant == "left-aligned" %}text-left{% else %}text-center{% endif %}">{{ herocontent(align) }}</div>
diff --git a/templates/overrides/terminal/pricing.ninjatpl b/templates/overrides/terminal/pricing.ninjatpl
index 0b6eb6b..0981a5c 100644
--- a/templates/overrides/terminal/pricing.ninjatpl
+++ b/templates/overrides/terminal/pricing.ninjatpl
@@ -4,7 +4,7 @@
   <div class="relative z-10 mx-auto max-w-6xl px-4">
     {% if heading %}<h2 class="terminal-heading text-center text-3xl font-semibold tracking-tight md:text-4xl" data-text="{{ heading }}">{{ heading }}</h2>{% endif %}
     {% if intro %}<p class="mx-auto mt-4 max-w-2xl text-center text-lg text-muted-foreground">{{ intro }}</p>{% endif %}
-    <div class="mt-10 tty-grid-3">
+    <div class="mt-10 grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6">
       {% for tier in tiers %}
       <div class="tty-corners relative flex flex-col rounded-md border p-6 {% if tier.highlighted %}border-primary bg-card text-card-foreground tty-frame ring-1 ring-primary{% else %}border-primary/40 bg-card text-card-foreground tty-frame{% endif %}">
         {% if tier.badge %}<span class="terminal-mono absolute -top-3 left-1/2 -translate-x-1/2 rounded-none bg-primary px-3 py-1 text-xs font-semibold uppercase tracking-widest text-primary-foreground">{{ tier.badge }}</span>{% endif %}
diff --git a/templates/overrides/terminal/stats.ninjatpl b/templates/overrides/terminal/stats.ninjatpl
index 6591b88..7a1cfcf 100644
--- a/templates/overrides/terminal/stats.ninjatpl
+++ b/templates/overrides/terminal/stats.ninjatpl
@@ -4,7 +4,7 @@
   <div class="relative z-10 mx-auto max-w-6xl px-4">
     {% if heading %}<h2 class="terminal-heading text-center text-3xl font-semibold tracking-tight md:text-4xl" data-text="{{ heading }}">{{ heading }}</h2>{% endif %}
     {% if intro %}<p class="mx-auto mt-4 max-w-2xl text-center text-lg text-muted-foreground">{{ intro }}</p>{% endif %}
-    <dl class="mt-10 tty-grid-stats{% if columns == 2 %}2{% elif columns == 3 %}3{% else %}4{% endif %}">
+    <dl class="mt-10 grid grid-cols-2 gap-8{% if columns == 2 %}{% elif columns == 3 %} md:grid-cols-3{% else %} md:grid-cols-4{% endif %}">
       {% for item in items %}
       <div class="tty-corners text-center">
         <dd class="terminal-heading text-4xl font-bold tracking-tight md:text-5xl" style="font-family:var(--font-heading)">{% if item.prefix %}{{ item.prefix }}{% endif %}<span{% if countUp %} data-countup-value="{{ item.value }}"{% endif %}>{{ item.value }}</span>{% if item.suffix %}{{ item.suffix }}{% endif %}</dd>
diff --git a/templates/terminal/article.ninjatpl b/templates/terminal/article.ninjatpl
index 7032ba4..ebb3dc1 100644
--- a/templates/terminal/article.ninjatpl
+++ b/templates/terminal/article.ninjatpl
@@ -8,7 +8,7 @@
 	<main class="flex-grow w-full px-4 py-10">
 		<div class="mx-auto w-full max-w-5xl">
 			{% if slots.aside %}
-			<div class="terminal-article-grid">
+			<div class="grid grid-cols-1 md:grid-cols-[20ch_1fr] gap-8 items-start">
 				<aside class="w-full">{{ slots.aside|safe }}</aside>
 				<article class="w-full terminal-prose">{% if slots.main %}{{ slots.main|safe }}{% else %}<p class="terminal-mono text-muted-foreground">// article body</p>{% endif %}</article>
 			</div>
diff --git a/templates/terminal/default.ninjatpl b/templates/terminal/default.ninjatpl
index 79c4682..236e8c1 100644
--- a/templates/terminal/default.ninjatpl
+++ b/templates/terminal/default.ninjatpl
@@ -6,7 +6,7 @@
 	<div aria-hidden="true" class="tty-scanlines pointer-events-none fixed inset-0 z-50"></div>
 	<header class="w-full">{{ slots.header|safe }}</header>
 	<main class="flex-grow w-full px-4 py-10">
-		<div class="terminal-main-80">
+		<div class="max-w-[80ch] mx-auto">
 			<div class="tty-window">
 				<div class="tty-titlebar"><span class="tty-dot"></span><span class="tty-dot"></span><span class="tty-dot"></span><span class="ml-1 terminal-mono">man page</span></div>
 				<div class="terminal-prose p-6 md:p-8">