/* ============================================
   피쉬세이(FISHSAY) - 폰트 정의 (Paperlogy)
   ============================================ */
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-1Thin.woff2') format('woff2');
  font-weight: 100;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-2ExtraLight.woff2') format('woff2');
  font-weight: 200;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-3Light.woff2') format('woff2');
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-4Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-5Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-6SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-7Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-8ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: 'Paperlogy';
  src: url('/static/fonts/Paperlogy-9Black.woff2') format('woff2');
  font-weight: 900;
  font-display: swap;
}

/* ============================================
   컬러 시스템 (브랜드 팔레트)
   ============================================ */
:root {
  --fs-blue: #3071F2;       /* 메인 블루 */
  --fs-blue-2: #2E83F2;     /* 서브 블루 */
  --fs-blue-light: #79BAF2; /* 라이트 블루 */
  --fs-offwhite: #F2F2F2;   /* 오프화이트 */
  --fs-black: #0D0D0D;      /* 딥블랙 */
}

/* ============================================
   기본 스타일
   ============================================ */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Paperlogy', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--fs-black);
  overflow-x: hidden;
  word-break: keep-all;
}

.font-black { font-weight: 900; }
.font-extrabold { font-weight: 800; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-light { font-weight: 300; }

/* 브랜드 그라데이션 */
.fs-gradient {
  background: linear-gradient(135deg, var(--fs-blue) 0%, var(--fs-blue-light) 100%);
}
.fs-gradient-text {
  background: linear-gradient(135deg, var(--fs-blue) 0%, var(--fs-blue-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================
   히어로 물결 애니메이션
   ============================================ */
.wave-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 2;
}
.wave-container svg {
  position: relative;
  display: block;
  width: calc(180% + 1.3px);
  height: 90px;
}

/* 떠다니는 버블 */
@keyframes bubble-rise {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100vh) scale(1.2); opacity: 0; }
}
.bubble {
  position: absolute;
  bottom: -50px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  animation: bubble-rise linear infinite;
  pointer-events: none;
}

/* ============================================
   스크롤 등장 애니메이션
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   글래스모피즘 카드
   ============================================ */
.glass {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ============================================
   서비스/사례 카드 hover
   ============================================ */
.card-hover {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -12px rgba(48, 113, 242, 0.35);
}

/* 갤러리 이미지 줌 */
.gallery-img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.gallery-item:hover .gallery-img {
  transform: scale(1.08);
}

/* ============================================
   헤더
   ============================================ */
.header-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

/* 카운트업 숫자 강조 */
.stat-number {
  font-variant-numeric: tabular-nums;
}

/* 버튼 공통 */
.btn-primary {
  background: linear-gradient(135deg, var(--fs-blue) 0%, var(--fs-blue-2) 100%);
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px -6px rgba(48, 113, 242, 0.5);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -6px rgba(48, 113, 242, 0.65);
}

/* 플로팅 버튼 */
.floating-btn {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.floating-btn:hover {
  transform: scale(1.08);
}

/* 프로세스 라인 */
.process-line::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--fs-blue-light), var(--fs-blue));
  z-index: 0;
}

/* 커스텀 스크롤바 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--fs-offwhite); }
::-webkit-scrollbar-thumb {
  background: var(--fs-blue-light);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: var(--fs-blue); }

/* 모바일 메뉴 */
.mobile-menu {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

/* 스크롤바 숨김 (카테고리 탭) */
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* ============================================
   FAQ 아코디언
   ============================================ */
/* 기본 마커(삼각형) 제거 */
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { content: ''; }

.faq-item {
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.faq-item:hover {
  box-shadow: 0 10px 30px -12px rgba(48, 113, 242, 0.28);
  border-color: rgba(48, 113, 242, 0.25);
}
.faq-item[open] {
  border-color: rgba(48, 113, 242, 0.35);
  box-shadow: 0 12px 32px -14px rgba(48, 113, 242, 0.3);
}
.faq-q { transition: color 0.25s ease; }
.faq-item[open] .faq-q .flex-1 { color: var(--fs-blue); }

/* 답변 부드러운 페이드인 */
.faq-item[open] .faq-a {
  animation: faq-fade 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== 헤더 로고 ===== */
/* 후광 없이 로고 본연의 색 그대로 표시 */
.logo-on-dark {
  filter: none;
}