diff --git a/components/calcValues.vue b/components/calcValues.vue
index 6f72d88..e5bcf0f 100644
--- a/components/calcValues.vue
+++ b/components/calcValues.vue
@@ -17,7 +17,7 @@ const min_length = use_min_length()
 const parametric = reactive({
     length: {
         min: min_length.value,
-        max: 2400,
+        max: 2466,
         step: 1,
     },
     total_length: {
@@ -33,7 +33,7 @@ const parametric = reactive({
 })
 const form_state = reactive({
     length: fence_section.value * 1000,
-    fence_length: 100,
+    fence_length: 104,
     height: 100 + lamelles_count.value * parametric.height.step,
     total_length: total_length.value,
     total_length_mm: fence_section.value * 1000,
@@ -69,30 +69,29 @@ const changeParametres = () => {
     if (form_state.total_length_mm < form_state.length) {
         form_state.length = form_state.total_length_mm
     }
-
     form_state.total_length_mm = form_state.total_length * 1000
-    const total_without_pillar = form_state.total_length_mm - form_state.fence_length
 
-    if (form_state.auto_length) {
+    let { fence_length, total_length_mm, auto_length, length } = form_state
+    length = parseFloat(length.toString())
+
+    if (auto_length) {
         let w = parametric.length.min
-        const max_sections = Math.ceil(total_without_pillar / parametric.length.min)
-        const min_sections = Math.ceil(total_without_pillar / parametric.length.max)
+        const max_sections = Math.ceil(total_length_mm / (parametric.length.min + fence_length))
+        const min_sections = Math.ceil(total_length_mm / (parametric.length.max + fence_length))
 
         for (let index = min_sections; index <= max_sections; index++) {
-            w = (total_without_pillar / index) + form_state.fence_length
+            w = (total_length_mm - fence_length * (index - 1)) / index
             if (w >= parametric.length.min && w <= parametric.length.max) {
                 break
             }
         }
         form_state.length = w
+        length = w
     }
 
-    const section_without_pillar = form_state.length - form_state.fence_length
-
-    form_state.full_sections = Math.floor(total_without_pillar / section_without_pillar)
-
-    if (section_without_pillar * form_state.full_sections !== form_state.full_sections) {
-        form_state.extra_section = Math.floor(total_without_pillar % section_without_pillar)
+    form_state.full_sections = Math.floor((total_length_mm - fence_length) / (length + fence_length))
+    if (((form_state.full_sections * length) + (form_state.full_sections * fence_length) + fence_length) !== total_length_mm) {
+        form_state.extra_section = Math.floor((total_length_mm - fence_length) % form_state.length)
     } else {
         form_state.extra_section = 0
     }
@@ -135,7 +134,7 @@ const plurals = {
                 <div class="col-span-12 lg:col-span-6">
                     <div class="form-row">
                         <div class="form-item w-full">
-                            <label for="length">Длина секции, мм</label>
+                            <label for="length">Длина ламельного блока, мм</label>
                             <input disabled :value="`${form_state.length} мм`" class="w-28" />
                             <input id="length" type="range" class="w-full" v-bind="parametric.length"
                                 v-model="form_state.length" :disabled="form_state.auto_length"
diff --git a/pages/index.vue b/pages/index.vue
index 500236c..f5784c5 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -23,7 +23,7 @@ const { data: calculatorData } = await useFetch(`${apiBase}/calculator/5/`)
 
 const about = (pagesData.value as ApiPagesType[]).find(el => el.slug == 'about')
 const reviews = (pagesData.value as ApiPagesType[]).find(el => el.slug == 'clients')
-const delivery = (pagesData.value as ApiPagesType[]).find(el => el.slug == 'delivery')
+const delivery = (pagesData.value as ApiPagesType[]).find(el => el.slug == 'how_to')
 const advantages = (pagesData.value as ApiPagesType[]).find(el => el.slug == 'advantages')
 
 const roubleSign = new Intl.NumberFormat('ru-RU', {
diff --git a/public/hdrmaps/kloppenheim_06_4k-gainmap.webp b/public/hdrmaps/kloppenheim_06_4k-gainmap.webp
deleted file mode 100644
index 67862d3..0000000
Binary files a/public/hdrmaps/kloppenheim_06_4k-gainmap.webp and /dev/null differ
diff --git a/public/hdrmaps/kloppenheim_06_4k.exr b/public/hdrmaps/kloppenheim_06_4k.exr
deleted file mode 100644
index ef93ed6..0000000
Binary files a/public/hdrmaps/kloppenheim_06_4k.exr and /dev/null differ
diff --git a/public/hdrmaps/kloppenheim_06_4k.json b/public/hdrmaps/kloppenheim_06_4k.json
deleted file mode 100644
index 244275b..0000000
--- a/public/hdrmaps/kloppenheim_06_4k.json
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  "gainMapMax": [
-    6.139551352398794,
-    6.139551352398794,
-    6.139551352398794
-  ],
-  "gainMapMin": [
-    0,
-    0,
-    0
-  ],
-  "gamma": [
-    1,
-    1,
-    1
-  ],
-  "hdrCapacityMax": 6.139551352398794,
-  "hdrCapacityMin": 0,
-  "offsetHdr": [
-    0.015625,
-    0.015625,
-    0.015625
-  ],
-  "offsetSdr": [
-    0.015625,
-    0.015625,
-    0.015625
-  ]
-}
\ No newline at end of file
diff --git a/public/hdrmaps/kloppenheim_06_4k.webp b/public/hdrmaps/kloppenheim_06_4k.webp
deleted file mode 100644
index 7bb3d78..0000000
Binary files a/public/hdrmaps/kloppenheim_06_4k.webp and /dev/null differ