/*
 * [NEW] 웰컴 페이지 전용 스타일
 *
 * Suit 폰트와 지정된 포인트 컬러를 활용하여 Glassmorphism 효과와 3D 느낌 구현.
 *
 * @author gayul.kim
 * @since 2026-03-06
 */

/* =========================================
   1. Font Face (SUIT 폰트 세트)
========================================= */
@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-Thin.woff2")
    format("woff2");
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-ExtraLight.woff2")
    format("woff2");
  font-weight: 200;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-Light.woff2")
    format("woff2");
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-Regular.woff2")
    format("woff2");
  font-weight: normal;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-Medium.woff2")
    format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-SemiBold.woff2")
    format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-Bold.woff2")
    format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-ExtraBold.woff2")
    format("woff2");
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: "Suit";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_suit@1.0/SUIT-Heavy.woff2")
    format("woff2");
  font-weight: 900;
  font-display: swap;
}

/* =========================================
   2. Body & Background Options
========================================= */
body.welcome-body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden; /* 스크롤 방지 */
  font-family: "Suit", sans-serif;
  background-color: #0b021d; /* Iframe 로딩 전에 보일 다크 베이스 톤 */
}

/* =========================================
   3. Spline 3D Scene Area
========================================= */
.spline-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1; /* 바닥에 깔리는 레이어 */
}

.spline-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
}

/* =========================================
   4. UI Overlay & Glass Panel
========================================= */
.overlay-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2; /* 3D 레이어 위 */
  pointer-events: none; /* 뒤쪽 Spline 화면의 마우스 인식을 방해하지 않게 통과 */

  /* 배치: 3D 캐릭터들의 노트북 시선에 가깝게 하단부 쪽에 띄우도록 Flex 조정 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 12vh; /* 하단 마진 (사람 얼굴이 가려지지 않게 데스크톱에서 더 내림) */
}

.glass-panel {
  pointer-events: auto; /* Glass Panel 컴포넌트에 한해서만 클릭 이벤트 복구 */
  background: rgba(25, 6, 90, 0.45); /* Blur가 없어진 대신 명도 대비를 위해 투명도를 올림 */
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.5),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  padding: 2.5rem 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateZ(0); /* GPU 가속 힌트 부여 (렌더링 안정화) */
  will-change: transform;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.glass-panel:hover {
  transform: translateY(-8px);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.6),
    inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

/* =========================================
   5. Typography
========================================= */
.settle-tree-title {
  font-weight: 900; /* Heavy */
  font-size: 5rem; /* 아주 큰 텍스트 */
  margin: 0;
  letter-spacing: -2px;

  /* 텍스트 그라데이션 - 포인트컬러 조합 */
  /* #f05cfa(핑크) 에서 시작해서 #d76750(오렌지) 로 부드럽게 이어지는 텍스트 */
  background: linear-gradient(135deg, #f05cfa 0%, #d76750 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;

  /* 입체감을 살리는 그림자 (filter: drop-shadow 활용) */
  filter: drop-shadow(0px 8px 10px rgba(0, 0, 0, 0.6));
}

.title-sub {
  font-weight: 300;
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85); /* 흰색 반투명 */
  margin-top: -5px;
  letter-spacing: 2px;
}

/* =========================================
   6. Custom Interactive Buttons
========================================= */
.interactive-btn {
  font-family: "Suit", sans-serif;
  font-weight: 700; /* Bold */
  font-size: 1.15rem;
  padding: 0.8rem 2.5rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  color: #ffffff;
  z-index: 10;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Login 버튼 - #19065a 네이비 포인트 */
.btn-login {
  background: linear-gradient(135deg, #2e106b, #19065a);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 5px 15px rgba(25, 6, 90, 0.4);
}

.btn-login:hover {
  background: linear-gradient(135deg, #19065a, #0f033a);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(25, 6, 90, 0.7);
}

/* Sign Up 버튼 - 핑크 #f05cfa, 오렌지 #d76750 그라데이션 포인트 */
.btn-signup {
  background: linear-gradient(135deg, #f05cfa, #d76750);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 5px 15px rgba(240, 92, 250, 0.3);
}

.btn-signup:hover {
  background: linear-gradient(135deg, #d76750, #b24b37);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(215, 103, 80, 0.5);
}

/* 클릭 효과 */
.interactive-btn:active {
  transform: scale(0.96);
}

/* =========================================
   7. Responsive Query (태블릿 및 모바일)
========================================= */
@media (max-width: 768px) {
  .settle-tree-title {
    font-size: 3.5rem;
  }
  .glass-panel {
    padding: 2rem 2.5rem;
  }
  .overlay-container {
    padding-bottom: 5vh; /* 하단 마진 축소 (모바일도 동일하게 더 내림) */
  }
}