fix: 인트로모션

src/js/introAnimation.js

@@ -0,0 +1,61 @@
+import { gsap } from "gsap";
+
+const BLOB_ENTER = 2;
+
+const blobFront = { scale: 1.5, opacity: 0.65, filter: "blur(20px)", duration: 8, ease: "sine.inOut" };
+const blobBack  = { scale: 0.6, opacity: 0.25, filter: "blur(52px)", duration: 8, ease: "sine.inOut" };
+
+function randomBlob(selector, frontOverrides, delay) {
+  const rand = (min, max) => gsap.utils.random(min, max);
+  const isMo = () => window.innerWidth <= 768;
+
+  function cycle() {
+    const xRange = isMo() ? 60 : 180;
+    const yRange = isMo() ? 140 : 100;
+    const x = rand(-xRange, xRange);
+    const y = rand(-yRange, yRange);
+
+    gsap.timeline()
+      .to(selector, { ...blobFront, ...frontOverrides, x, y })
+      .to(selector, { duration: 20 })
+      .to(selector, { ...blobBack, x: 0, y: 0 })
+      .call(cycle);
+  }
+
+  gsap.delayedCall(delay, cycle);
+}
+
+function morphBlob(selector, targetRadius, duration) {
+  gsap.to(selector, {
+    borderRadius: targetRadius,
+    duration,
+    repeat: -1,
+    yoyo: true,
+    ease: "sine.inOut",
+  });
+}
+
+export function initIntroAnimation() {
+  gsap.set([".blobCyan", ".blobPurple", ".blobBlue"], {
+    opacity: 0,
+    scale: 0.4,
+    filter: "blur(60px)",
+  });
+
+  gsap.to(".blobCyan",   { opacity: 0.25, scale: 0.6, filter: "blur(50px)", duration: 1.6, ease: "power2.out" });
+  gsap.to(".blobPurple", { opacity: 0.2,  scale: 0.6, filter: "blur(55px)", duration: 1.6, ease: "power2.out", delay: 0.35 });
+  gsap.to(".blobBlue",   { opacity: 0.2,  scale: 0.6, filter: "blur(55px)", duration: 1.6, ease: "power2.out", delay: 0.7 });
+
+  // 텍스트 순차 등장
+  gsap.set([".intro__sub", ".intro__title"], { opacity: 0, y: 30 });
+  gsap.to(".intro__sub",   { opacity: 1, y: 0, duration: 0.9, ease: "power3.out", delay: 1.0 });
+  gsap.to(".intro__title", { opacity: 1, y: 0, duration: 0.9, ease: "power3.out", delay: 1.3 });
+
+  randomBlob(".blobCyan",   { opacity: 0.65, filter: "blur(20px)" }, BLOB_ENTER);
+  randomBlob(".blobPurple", { opacity: 0.55, filter: "blur(22px)" }, BLOB_ENTER + 6);
+  randomBlob(".blobBlue",   { opacity: 0.55, filter: "blur(22px)" }, BLOB_ENTER + 12);
+
+  morphBlob(".blobCyan",   "60% 40% 55% 45% / 45% 60% 40% 55%", 1.8);
+  morphBlob(".blobPurple", "45% 55% 40% 60% / 60% 40% 55% 45%", 2.4);
+  morphBlob(".blobBlue",   "55% 45% 60% 40% / 40% 60% 45% 55%", 2.1);
+}

src/js/main.js

@@ -1,9 +1,12 @@
 import $ from "jquery";
 import { gsap } from "gsap";
 import { ScrollTrigger } from "gsap/ScrollTrigger";
+import { initIntroAnimation } from "./introAnimation.js";
 
 gsap.registerPlugin(ScrollTrigger);
 
+initIntroAnimation();
+
 $(function () {
   const $gnb = $("#gnb");
   const $hamburger = $(".gnb__hamburger");

src/scss/page/_intro.scss

@@ -20,8 +20,6 @@
   .blob {
     position: absolute;
     border-radius: 50%;
-    filter: blur(60px);
-    opacity: 0.5;
   }
 
   .blobCyan {
@@ -34,19 +32,19 @@
   }
 
   .blobPurple {
-    width: 10vw;
+    width: 14vw;
-    height: 10vw;
+    height: 14vw;
     background: $color-purple;
-    top: 40%;
+    top: 38%;
-    left: 50%;
+    left: 46%;
   }
 
   .blobBlue {
-    width: 10vw;
+    width: 14vw;
-    height: 10vw;
+    height: 14vw;
     background: $color-blue;
     top: 42%;
-    left: 30%;
+    left: 28%;
   }
 }
 
@@ -66,9 +64,9 @@
 }
 
 .intro__title {
-  font-size: clamp(14px, 1.5vw, 20px);
+  font-size: clamp(12px, 1.5vw, 20px);
-  font-weight: 900;
+  font-weight: 700;
-  letter-spacing: 0.2em;
+  letter-spacing: 0.03em;
   text-transform: uppercase;
   color: $color-white;
 }
@@ -92,23 +90,24 @@
   }
 
   .blobCyan {
-    width: 90vw;
+    width: 80vw;
-    height: 90vw;
+    height: 80vw;
     right: -20%;
     top: -5%;
   }
 
   .blobPurple {
-    width: 60vw;
+    width: 65vw;
-    height: 60vw;
+    height: 65vw;
     left: -15%;
-    top: 20%;
+    top: 38%;
+    transform: translateY(-50%);
   }
 
   .blobBlue {
-    width: 50vw;
+    width: 70vw;
-    height: 50vw;
+    height: 70vw;
-    left: -10%;
+    right: -15%;
-    bottom: 5%;
+    bottom: -5%;
   }
 }