reworked site

web/style.css

@@ -83,37 +83,64 @@ header {
 }
 
 .site-nav {
-  display: inline-flex;
+  display: flex;
   align-items: center;
-  gap: 8px;
-  background: rgba(255, 255, 255, 0.6);
-  border-radius: 999px;
-  padding: 6px;
-  backdrop-filter: blur(8px);
-  border: 1px solid rgba(148, 163, 184, 0.25);
+  gap: 6px;
+  padding: 4px 0;
+  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
+  position: relative;
+}
+
+.site-nav::after {
+  content: "";
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: -1px;
+  height: 1px;
+  background: linear-gradient(90deg, rgba(79, 70, 229, 0.7), rgba(14, 165, 233, 0.7));
+  opacity: 0.35;
 }
 
 .site-nav__btn {
-  border-radius: 999px;
-  padding: 10px 18px;
   border: none;
   background: transparent;
   font-weight: 600;
-  color: #0f172a;
+  color: #475569;
   cursor: pointer;
-  transition: all 0.2s ease;
-  box-shadow: none;
+  transition: color 0.2s ease, transform 0.2s ease;
+  font-size: 15px;
+  letter-spacing: 0.01em;
+  padding: 10px 16px;
+  position: relative;
+}
+
+.site-nav__btn::after {
+  content: "";
+  position: absolute;
+  left: 12px;
+  right: 12px;
+  bottom: -8px;
+  height: 3px;
+  border-radius: 999px;
+  background: linear-gradient(135deg, #4338ca, #0ea5e9);
+  transform: translateY(6px);
+  opacity: 0;
+  transition: opacity 0.15s ease, transform 0.2s ease;
 }
 
 .site-nav__btn:hover {
-  background: rgba(15, 23, 42, 0.05);
+  color: #0f172a;
   transform: translateY(-1px);
 }
 
 .site-nav__btn.nav-active {
-  background: linear-gradient(135deg, #2563eb, #7c3aed);
-  color: white;
-  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
+  color: #0f172a;
+}
+
+.site-nav__btn.nav-active::after {
+  opacity: 1;
+  transform: translateY(0);
 }
 
 .header-controls {