Optzimize responsive styling

public/admin/preview.css

@@ -53,9 +53,12 @@
   --gutter: clamp(1rem, 4vw, 2.5rem);
   --header-height: 7rem;
   --header-height-scrolled: 5rem;
-  --radius-lg: 60px;
-  --radius-md: 30px;
+  /* Large decorative corners (hero, header, search panel): grows with the
+     viewport instead of switching at breakpoints */
+  --radius-lg: min(15vw, 180px);
   --radius-sm: 15px;
+  /* How far photos are pulled up into the hero */
+  --hero-overlap: clamp(6rem, 11.25vw, 9rem);
   /* Dropdown submenus (Example, language) */
   --radius-menu: 8px;
   --transition: 0.3s ease-in-out;
@@ -190,21 +193,10 @@ button:hover .arrow {
    ========================================================================== */
 
 .page-hero {
-  --hero-veil: linear-gradient(
-    90deg,
-    rgba(0, 0, 74, 0.72) 0%,
-    rgba(0, 0, 74, 0.45) 45%,
-    rgba(0, 0, 74, 0) 75%
-  );
-
   margin-top: calc(-1 * var(--header-height));
-  padding: calc(var(--header-height) + 3rem) 0 12rem;
+  padding: calc(var(--header-height) + 3rem) 0 calc(var(--hero-overlap) + 3rem);
   color: var(--white);
-  background:
-    var(--grain),
-    linear-gradient(180deg, rgba(0, 0, 74, 0.55) 0, rgba(0, 0, 74, 0) 10rem),
-    var(--hero-veil),
-    #00004a;
+  background: var(--grain), var(--galaxy-blue);
   border-bottom-right-radius: var(--radius-lg);
 }
 
@@ -265,7 +257,7 @@ button:hover .arrow {
 
 /* Photo pulled up over the hero; flat, no shadow */
 .page-figure {
-  margin: -9rem 0 4rem;
+  margin: calc(-1 * var(--hero-overlap)) 0 4rem;
 }
 
 .page-figure img {
@@ -279,12 +271,13 @@ button:hover .arrow {
   color: var(--text-muted);
 }
 
-/* Two photos side by side, pulled up over the hero together */
+/* Two photos side by side (Home), pulled up over the hero together; they
+   stack by themselves once each would be narrower than 18rem */
 .page-figures {
   display: grid;
-  grid-template-columns: 1fr 1fr;
+  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
   gap: 1.5rem;
-  margin: -9rem 0 4rem;
+  margin: calc(-1 * var(--hero-overlap)) 0 4rem;
 }
 
 .page-figures .page-figure {
@@ -448,38 +441,6 @@ button:hover .arrow {
   filter: brightness(1.1);
 }
 
-/* Responsive page
-   ========================================================================== */
-
-@media (max-width: 800px) {
-  /* Text spans the full width here, so keep at least 50% navy everywhere */
-  .page-hero {
-    --hero-veil: linear-gradient(
-      90deg,
-      rgba(0, 0, 74, 0.72) 0%,
-      rgba(0, 0, 74, 0.5) 100%
-    );
-
-    padding-bottom: 8rem;
-    border-bottom-right-radius: var(--radius-md);
-  }
-
-  .page-hero--compact {
-    padding-bottom: 4rem;
-  }
-
-  .page-figure,
-  .page-figures {
-    margin-top: -6rem;
-  }
-}
-
-@media (max-width: 600px) {
-  .page-figures {
-    grid-template-columns: 1fr;
-  }
-}
-
 /* Preferences
    ========================================================================== */