diff --git a/.changeset/hover-border-strong.md b/.changeset/hover-border-strong.md
new file mode 100644
index 00000000..7beeaf40
--- /dev/null
+++ b/.changeset/hover-border-strong.md
@@ -0,0 +1,6 @@
+---
+'@surfnet/curve-react': minor
+'@surfnet/curve-angular': minor
+---
+
+Form fields now show a `--border-strong` border on hover: Combobox (chips), Input, Input Group, Input OTP, Select and Textarea. Focus, active and invalid states still take precedence, and disabled fields don't react to hover.
diff --git a/packages/angular/src/lib/ui/combobox/src/lib/hlm-combobox.css b/packages/angular/src/lib/ui/combobox/src/lib/hlm-combobox.css
index 78bc0ac8..59cdabc8 100644
--- a/packages/angular/src/lib/ui/combobox/src/lib/hlm-combobox.css
+++ b/packages/angular/src/lib/ui/combobox/src/lib/hlm-combobox.css
@@ -80,6 +80,10 @@
   background-color: color-mix(in oklab, var(--input) 30%, transparent);
 }
 
+.curve-combobox-chips:hover:where(:not(:has(:disabled))) {
+  border-color: var(--border-strong);
+}
+
 .curve-combobox-chips:focus-within {
   border-color: var(--ring);
   box-shadow:
diff --git a/packages/angular/src/lib/ui/input-group/src/lib/hlm-input-group.css b/packages/angular/src/lib/ui/input-group/src/lib/hlm-input-group.css
index 335bd00e..47f1f40b 100644
--- a/packages/angular/src/lib/ui/input-group/src/lib/hlm-input-group.css
+++ b/packages/angular/src/lib/ui/input-group/src/lib/hlm-input-group.css
@@ -24,6 +24,10 @@
   background-color: color-mix(in oklab, var(--input) 30%, transparent);
 }
 
+.curve-input-group:hover:where(:not(:has(:disabled))) {
+  border-color: var(--border-strong);
+}
+
 .curve-input-group:has([data-slot='input-group-control']:focus-visible) {
   border-color: var(--ring);
   box-shadow:
@@ -45,6 +49,7 @@
 }
 
 /* Inside a combobox popup the search field shows no focus ring. */
+[data-slot='combobox-content'] .curve-input-group:hover,
 [data-slot='combobox-content'] .curve-input-group:focus-within {
   border-color: inherit;
   box-shadow: var(--shadow-xs, 0 1px 2px 0 rgb(0 0 0 / 0.05));
diff --git a/packages/angular/src/lib/ui/input-otp/src/lib/hlm-input-otp.css b/packages/angular/src/lib/ui/input-otp/src/lib/hlm-input-otp.css
index 1e8d0602..bf83559b 100644
--- a/packages/angular/src/lib/ui/input-otp/src/lib/hlm-input-otp.css
+++ b/packages/angular/src/lib/ui/input-otp/src/lib/hlm-input-otp.css
@@ -42,6 +42,10 @@
   transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
 }
 
+.curve-input-otp-slot:disabled {
+  cursor: not-allowed;
+}
+
 .curve-input-otp-slot:first-child {
   border-inline-start-width: 1px;
   border-start-start-radius: var(--radius-md, calc(var(--radius, 0.625rem) * 0.8));
@@ -61,6 +65,11 @@
   border-color: var(--destructive);
 }
 
+/* Hover; the active state below overrides it. */
+.curve-input-otp-slot:hover:not([data-matches-spartan-invalid='true']) {
+  border-color: var(--border-strong);
+}
+
 /* The slot the next character goes into. */
 .curve-input-otp-slot:has(brn-input-otp-slot[data-active='true']) {
   z-index: 10;
diff --git a/packages/angular/src/lib/ui/input/src/lib/hlm-input.css b/packages/angular/src/lib/ui/input/src/lib/hlm-input.css
index fb987bff..479f947a 100644
--- a/packages/angular/src/lib/ui/input/src/lib/hlm-input.css
+++ b/packages/angular/src/lib/ui/input/src/lib/hlm-input.css
@@ -24,6 +24,10 @@
   color: var(--muted-foreground);
 }
 
+.curve-input:hover:where(:not(:disabled)) {
+  border-color: var(--border-strong);
+}
+
 .curve-input:focus {
   border-color: var(--ring);
 }
diff --git a/packages/angular/src/lib/ui/select/src/lib/hlm-select.css b/packages/angular/src/lib/ui/select/src/lib/hlm-select.css
index de83ee5c..8a5adb99 100644
--- a/packages/angular/src/lib/ui/select/src/lib/hlm-select.css
+++ b/packages/angular/src/lib/ui/select/src/lib/hlm-select.css
@@ -45,6 +45,10 @@
   background-color: color-mix(in oklab, var(--input) 50%, transparent);
 }
 
+.curve-select-trigger:hover:where(:not(:disabled)) {
+  border-color: var(--border-strong);
+}
+
 .curve-select-trigger:focus {
   border-color: var(--ring);
 }
diff --git a/packages/angular/src/lib/ui/textarea/src/lib/hlm-textarea.css b/packages/angular/src/lib/ui/textarea/src/lib/hlm-textarea.css
index 5157849c..ff2e2812 100644
--- a/packages/angular/src/lib/ui/textarea/src/lib/hlm-textarea.css
+++ b/packages/angular/src/lib/ui/textarea/src/lib/hlm-textarea.css
@@ -21,6 +21,10 @@
   color: var(--muted-foreground);
 }
 
+.curve-textarea:hover:where(:not(:disabled)) {
+  border-color: var(--border-strong);
+}
+
 .curve-textarea:focus {
   border-color: var(--ring);
 }
diff --git a/packages/react/src/components/ui/combobox/combobox.module.css b/packages/react/src/components/ui/combobox/combobox.module.css
index 7968a137..a7b578a6 100644
--- a/packages/react/src/components/ui/combobox/combobox.module.css
+++ b/packages/react/src/components/ui/combobox/combobox.module.css
@@ -158,6 +158,10 @@
     box-shadow 150ms ease;
 }
 
+.chips:hover:where(:not(:has(:disabled))) {
+  border-color: var(--border-strong);
+}
+
 .chips:focus-within {
   border-color: var(--ring);
   box-shadow: 0 0 0 3px color-mix(in oklch, var(--ring) 32%, transparent);
diff --git a/packages/react/src/components/ui/input-group/input-group.module.css b/packages/react/src/components/ui/input-group/input-group.module.css
index 6b760c1e..4b6e0a74 100644
--- a/packages/react/src/components/ui/input-group/input-group.module.css
+++ b/packages/react/src/components/ui/input-group/input-group.module.css
@@ -18,6 +18,10 @@
   background-color: color-mix(in oklch, var(--input) 30%, transparent);
 }
 
+.group:hover:where(:not(:has(:disabled))) {
+  border-color: var(--border-strong);
+}
+
 .group:has([data-slot='input-group-control']:focus-visible) {
   border-color: var(--ring);
   box-shadow: 0 0 0 3px color-mix(in oklch, var(--ring) 32%, transparent);
@@ -42,6 +46,7 @@
   height: auto;
 }
 
+:global([data-slot='combobox-content']) .group:hover,
 :global([data-slot='combobox-content']) .group:focus-within {
   border-color: inherit;
   box-shadow: none;
diff --git a/packages/react/src/components/ui/input-otp/input-otp.module.css b/packages/react/src/components/ui/input-otp/input-otp.module.css
index 71d67d92..0287a412 100644
--- a/packages/react/src/components/ui/input-otp/input-otp.module.css
+++ b/packages/react/src/components/ui/input-otp/input-otp.module.css
@@ -20,10 +20,6 @@
   opacity: 0.5;
 }
 
-.input {
-  cursor: not-allowed;
-}
-
 .input:disabled {
   cursor: not-allowed;
 }
@@ -77,6 +73,10 @@
   background-color: color-mix(in oklch, var(--input) 30%, transparent);
 }
 
+.slot:hover:not([aria-invalid='true']) {
+  border-color: var(--border-strong);
+}
+
 .slot[data-active='true'] {
   z-index: 10;
   border-color: var(--ring);
diff --git a/packages/react/src/components/ui/input/input.module.css b/packages/react/src/components/ui/input/input.module.css
index 0c5e3927..e63ed331 100644
--- a/packages/react/src/components/ui/input/input.module.css
+++ b/packages/react/src/components/ui/input/input.module.css
@@ -19,6 +19,10 @@
   color: var(--muted-foreground);
 }
 
+.input:hover:where(:not(:disabled)) {
+  border-color: var(--border-strong);
+}
+
 .input:focus {
   border-color: var(--ring);
 }
diff --git a/packages/react/src/components/ui/select/select.module.css b/packages/react/src/components/ui/select/select.module.css
index bd02b6dc..ce76c968 100644
--- a/packages/react/src/components/ui/select/select.module.css
+++ b/packages/react/src/components/ui/select/select.module.css
@@ -38,6 +38,10 @@
   height: calc(var(--spacing, 0.25rem) * 8);
 }
 
+.trigger:hover:where(:not(:disabled)) {
+  border-color: var(--border-strong);
+}
+
 .trigger:focus {
   border-color: var(--ring);
 }
diff --git a/packages/react/src/components/ui/textarea/textarea.module.css b/packages/react/src/components/ui/textarea/textarea.module.css
index 9c940e02..b1cc7b5a 100644
--- a/packages/react/src/components/ui/textarea/textarea.module.css
+++ b/packages/react/src/components/ui/textarea/textarea.module.css
@@ -20,6 +20,10 @@
   color: var(--muted-foreground);
 }
 
+.textarea:hover:where(:not(:disabled)) {
+  border-color: var(--border-strong);
+}
+
 .textarea:focus {
   border-color: var(--ring);
 }