From befacaa5fe027b6658351d9864c826f97364b31f Mon Sep 17 00:00:00 2001
From: isaac <>
Date: Fri, 29 May 2026 01:21:36 +0200
Subject: [PATCH] InstantPage: distinct per-level heading sizes

---
 .../Sources/InstantPageTheme.swift            | 22 ++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/submodules/InstantPageUI/Sources/InstantPageTheme.swift b/submodules/InstantPageUI/Sources/InstantPageTheme.swift
index 72a6008861..5d820ae9a6 100644
--- a/submodules/InstantPageUI/Sources/InstantPageTheme.swift
+++ b/submodules/InstantPageUI/Sources/InstantPageTheme.swift
@@ -163,16 +163,28 @@ public final class InstantPageTheme {
     }
 
     func headingTextAttributes(level: Int32, link: Bool) -> InstantPageTextAttributes {
-        let clampedLevel = max(Int32(3), min(level, Int32(6)))
-        let subheaderAttributes = self.textCategories.subheader
-        guard clampedLevel > 3 else {
-            return subheaderAttributes.withUnderline(link)
+        let clampedLevel = max(Int32(1), min(level, Int32(6)))
+
+        // H1/H2 reuse the theme's existing big-text categories verbatim, so they
+        // pick up the theme color, line-spacing, and any dynamic-type scaling.
+        switch clampedLevel {
+        case 1:
+            return self.textCategories.header.withUnderline(link)
+        case 2:
+            return self.textCategories.subheader.withUnderline(link)
+        default:
+            break
         }
 
+        // H3–H6: serif at a per-level base size, scaled by the same dynamic-type
+        // multiplier the subheader category uses (subheader.size / 19.0).
+        let subheaderAttributes = self.textCategories.subheader
         let baseSize: CGFloat
         switch clampedLevel {
-        case 4:
+        case 3:
             baseSize = 17.0
+        case 4:
+            baseSize = 16.0
         case 5:
             baseSize = 15.0
         default: