chg: usr: improve the gfx on homepage - implement login/register and activation for authentication - and add the first version of profile page #4

assets/css/homepage/_responsive.scss

@@ -0,0 +1,100 @@
+@media screen and (max-width: 900px) {
+    .hero h1 {
+        font-size: 44px;
+    }
+
+    .hero-cta {
+        padding: 20px 72px 18px;
+        font-size: 24px;
+        letter-spacing: 5px;
+    }
+}
+
+@media screen and (max-width: 768px) {
+    .hero--compact {
+        flex-direction: column;
+        text-align: center;
+        padding: 36px 24px 44px;
+        gap: 28px;
+
+        .hero-body { align-items: center; }
+    }
+
+    .profile-stats {
+        grid-template-columns: repeat(2, 1fr);
+    }
+
+    .profile-header {
+        flex-direction: column;
+        text-align: center;
+        padding: 28px 24px;
+    }
+
+    .profile-email,
+    .profile-role {
+        justify-content: center;
+    }
+
+    .profile-game {
+        grid-template-columns: 26px 64px 18px 1fr 14px;
+
+        .profile-game__date { display: none; }
+    }
+
+    .footer-inner {
+        flex-direction: column;
+        align-items: center;
+        text-align: center;
+        padding: 48px 30px 36px;
+    }
+
+    .footer-brand {
+        align-items: center;
+    }
+
+    .footer-tagline {
+        text-align: center;
+    }
+
+    .footer-nav-label {
+        text-align: center;
+    }
+
+    .footer-nav ul {
+        align-items: center;
+    }
+
+    .footer-copy {
+        padding: 16px 30px;
+    }
+}
+
+@media screen and (max-width: 550px) {
+    .hero {
+        padding: 60px 24px 140px;
+    }
+
+    .hero-logo img {
+        width: 260px;
+    }
+
+    .hero-logo {
+        margin-bottom: 52px;
+    }
+
+    .hero h1 {
+        font-size: 32px;
+        margin-bottom: 40px;
+    }
+
+    .hero-sub {
+        font-size: 14px;
+        letter-spacing: 2px;
+    }
+
+    .hero-cta {
+        padding: 18px 48px 16px;
+        font-size: 20px;
+        letter-spacing: 4px;
+    }
+}