/* =============================================
   AI 피지컬 융합 캠프 만족도 설문
   MODI Master Kit 컬러 팔레트
   Terracotta Red #D35942 · White #FFFFFF
   Sky Blue #5A99C7 · Green #3EA660
   ============================================= */

:root {
  /* ── MODI 핵심 컬러 ── */
  --modi-red:        #D35942;
  --modi-red-dark:   #B8432F;
  --modi-red-deep:   #9C3622;
  --modi-red-light:  #F2816E;
  --modi-red-pale:   #FDE8E4;
  --modi-red-ultra:  #FFF5F3;

  --modi-blue:       #5A99C7;
  --modi-blue-dark:  #3D7BAA;
  --modi-blue-light: #89BDD9;
  --modi-blue-pale:  #EAF4FB;

  --modi-green:      #3EA660;
  --modi-green-dark: #2D8549;
  --modi-green-light:#6DC48A;
  --modi-green-pale: #E6F6EC;

  --modi-cream:      #FAF6EC;
  --modi-white:      #FFFFFF;
  --modi-offwhite:   #F4F5F7;

  /* ── 텍스트 ── */
  --text-dark:   #1A1A1A;
  --text-body:   #2D2D2D;
  --text-sub:    #5C5C5C;
  --text-hint:   #9E9E9E;

  /* ── 배경 / 카드 ── */
  --bg-page:   #F9F7F5;
  --bg-card:   #FFFFFF;
  --bg-card2:  #FFF5F3;
  --border:    #F0D4CE;
  --border-focus: #D35942;

  /* ── 그라데이션 ── */
  --gradient-hero:   linear-gradient(150deg, #9C3622 0%, #D35942 45%, #E8704F 100%);
  --gradient-btn:    linear-gradient(135deg, #D35942 0%, #E8704F 100%);
  --gradient-accent: linear-gradient(135deg, #D35942, #5A99C7);
  --gradient-header: linear-gradient(135deg, #D35942 0%, #B8432F 100%);
  --gradient-blue:   linear-gradient(135deg, #5A99C7 0%, #3D7BAA 100%);
  --gradient-green:  linear-gradient(135deg, #3EA660 0%, #2D8549 100%);

  /* ── 그림자 ── */
  --shadow-sm:   0 1px 6px rgba(211,89,66,0.08);
  --shadow-md:   0 4px 20px rgba(211,89,66,0.12);
  --shadow-lg:   0 8px 40px rgba(211,89,66,0.16);
  --shadow-blue: 0 4px 20px rgba(90,153,199,0.2);
  --shadow-glow: 0 0 24px rgba(211,89,66,0.22);

  --radius:    18px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── 리셋 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--bg-page);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── 파티클 캔버스 ── */
#particles-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.4;
}

/* ══════════════════════════════
   HERO
══════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero-bg-photo {
  position: absolute; inset: 0;
  background: url('../images/camp-photo.png') center center / cover no-repeat;
  z-index: 0;
  will-change: transform;
  transform: scale(1.08);
}
.hero-bg-photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    155deg,
    rgba(156,54,34,0.80) 0%,
    rgba(211,89,66,0.60) 50%,
    rgba(156,54,34,0.78) 100%
  );
}

/* MODI 도트 패턴 오버레이 */
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-content {
  position: relative; z-index: 3;
  text-align: center; padding: 40px 24px; max-width: 740px;
}

/* MODI 로고 배지 */
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.35);
  border-radius: 50px; padding: 7px 22px;
  font-size: 0.85rem; font-weight: 700; color: #fff;
  margin-bottom: 24px; letter-spacing: 0.05em;
  backdrop-filter: blur(6px);
}
.hero-badge img {
  width: 22px; height: 22px; object-fit: contain;
  filter: brightness(0) invert(1);
}

.hero-title {
  font-size: clamp(2.6rem, 6.5vw, 4.8rem);
  font-weight: 800; line-height: 1.18; color: #fff;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(100,20,0,0.4);
}
.gradient-text {
  background: linear-gradient(135deg, #FFD4CA, #FFE8E4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 0.95rem; color: rgba(255,220,210,0.9);
  font-weight: 600; letter-spacing: 0.1em; margin-bottom: 10px;
}
.hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,0.78); margin-bottom: 38px;
}

/* MODI 스타일 버튼 */
.hero-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; color: var(--modi-red-dark);
  text-decoration: none; padding: 14px 38px; border-radius: 50px;
  font-size: 1rem; font-weight: 800;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.hero-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  background: #FFF0EE;
}



.hero-scroll-hint {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: rgba(255,255,255,0.5); font-size: 0.78rem; letter-spacing: 0.08em;
}
.scroll-arrow { animation: bounceDown 1.6s ease-in-out infinite; color: rgba(255,255,255,0.7); }
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

/* ══════════════════════════════
   NOTICE BANNER
══════════════════════════════ */
.notice-banner {
  position: relative; z-index: 1;
  background: linear-gradient(135deg, #FFF5F3, #FDEAE6);
  border-top: 3px solid var(--modi-red);
  border-bottom: 1px solid var(--border);
  padding: 26px 24px;
}
.notice-inner {
  max-width: 860px; margin: 0 auto;
  display: flex; align-items: flex-start; gap: 18px;
}
.notice-icon { font-size: 1.9rem; color: var(--modi-red); flex-shrink: 0; margin-top: 2px; }
.notice-banner p { color: var(--text-sub); font-size: 0.95rem; line-height: 1.8; }
.notice-banner strong { color: var(--text-dark); }

/* ══════════════════════════════
   SURVEY CONTAINER
══════════════════════════════ */
.survey-container {
  position: relative; z-index: 1;
  max-width: 860px; margin: 0 auto; padding: 60px 24px 80px;
}

.survey-section { margin-bottom: 56px; }

/* 섹션 헤더 — MODI 스타일 */
.section-header {
  display: flex; align-items: flex-start; gap: 18px;
  margin-bottom: 28px; padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}
.section-badge {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--gradient-btn);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Orbitron', monospace; font-size: 1.05rem; font-weight: 700; color: #fff;
  flex-shrink: 0; box-shadow: 0 4px 14px rgba(211,89,66,0.35);
}
.section-title { font-size: 1.45rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.section-desc  { font-size: 0.88rem; color: var(--text-sub); }

/* ── 카드 ── */
.question-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px; margin-bottom: 18px;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.question-card:hover {
  border-color: var(--modi-red-light);
  box-shadow: var(--shadow-md);
  background: var(--modi-red-ultra);
}

.question-label {
  font-size: 1rem; font-weight: 600; color: var(--text-dark);
  margin-bottom: 16px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; line-height: 1.55;
}
.q-num {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--modi-red-pale); color: var(--modi-red-dark);
  border-radius: 8px; padding: 2px 10px; font-size: 0.78rem; font-weight: 700;
  font-family: 'Orbitron', monospace; flex-shrink: 0;
  border: 1px solid rgba(211,89,66,0.25);
}
.required { color: #dc2626; font-weight: 700; }
.question-hint {
  font-size: 0.82rem; color: var(--text-hint); margin-bottom: 16px;
  display: flex; align-items: center; gap: 6px;
}
.question-hint i { color: var(--modi-blue); }

.badge-multi {
  font-size: 0.72rem; padding: 2px 10px; border-radius: 50px; font-weight: 600;
  background: rgba(90,153,199,0.12); color: var(--modi-blue-dark);
  border: 1px solid rgba(90,153,199,0.3);
}
.badge-single {
  font-size: 0.72px; padding: 2px 10px; border-radius: 50px; font-weight: 600;
  background: rgba(62,166,96,0.12); color: var(--modi-green-dark);
  border: 1px solid rgba(62,166,96,0.3);
  font-size: 0.72rem;
}

/* ── 드롭다운 그리드 ── */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.info-field label {
  display: block; font-size: 0.82rem; font-weight: 600;
  color: var(--text-sub); margin-bottom: 6px;
}
.info-field label span.req { color: #dc2626; }

/* ── 셀렉트 & 텍스트 인풋 ── */
.select-input, .text-input {
  width: 100%; background: #FAFAFA;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 13px 16px; color: var(--text-dark);
  font-family: 'Noto Sans KR', sans-serif; font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none; appearance: none; -webkit-appearance: none;
}
.select-wrap { position: relative; }
.select-wrap::after {
  content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--modi-red); pointer-events: none; font-size: 0.78rem;
}
.select-input:focus, .text-input:focus {
  border-color: var(--modi-red); box-shadow: 0 0 0 3px rgba(211,89,66,0.12); background: #fff;
}
.select-input:hover, .text-input:hover { border-color: var(--modi-red-light); background: #fff; }
.text-input::placeholder { color: var(--text-hint); }
.select-input:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── 텍스트에어리어 ── */
.textarea-input {
  width: 100%; background: #FAFAFA;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 18px; color: var(--text-dark);
  font-family: 'Noto Sans KR', sans-serif; font-size: 0.95rem;
  resize: vertical; min-height: 110px; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.textarea-input::placeholder { color: var(--text-hint); }
.textarea-input:focus { border-color: var(--modi-red); box-shadow: 0 0 0 3px rgba(211,89,66,0.12); background: #fff; }

/* ── 체크박스 ── */
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check-item {
  display: flex; align-items: flex-start; gap: 12px; cursor: pointer;
  padding: 13px 15px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: #FAFAFA;
  transition: all var(--transition); position: relative;
}
.check-item:hover { border-color: var(--modi-red-light); background: var(--modi-red-ultra); }
.check-item input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.check-box {
  width: 22px; height: 22px; border-radius: 6px; border: 2px solid #D5D5D5;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: all var(--transition); color: transparent; font-size: 0.7rem; margin-top: 1px; background: #fff;
}
.check-item input:checked ~ .check-box {
  background: var(--gradient-btn); border-color: transparent; color: #fff;
  box-shadow: 0 2px 8px rgba(211,89,66,0.38);
}
.check-item:has(input:checked) { border-color: var(--modi-red); background: var(--modi-red-pale); }
.check-text {
  font-size: 0.9rem; color: var(--text-sub);
  transition: color var(--transition); display: flex; align-items: center; gap: 8px; line-height: 1.4;
}
.check-text i { color: var(--modi-red); font-size: 0.85rem; flex-shrink: 0; }
.check-item:has(input:checked) .check-text { color: var(--text-dark); font-weight: 600; }

.program-grid { grid-template-columns: 1fr; gap: 10px; }
.program-item .check-text { flex-direction: column; align-items: flex-start; gap: 4px; }
.program-item .check-text i { font-size: 1.1rem; margin-bottom: 2px; color: var(--modi-blue); }
.program-item .check-text strong { display: block; font-size: 0.95rem; color: var(--text-dark); }
.program-item .check-text small { display: block; font-size: 0.78rem; color: var(--text-hint); font-weight: 400; }

/* ── 라디오 ── */
.radio-list { display: flex; flex-direction: column; gap: 10px; }
.radio-item {
  display: flex; align-items: center; gap: 14px; cursor: pointer;
  padding: 13px 18px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: #FAFAFA;
  transition: all var(--transition); position: relative;
}
.radio-item:hover { border-color: var(--modi-red-light); background: var(--modi-red-ultra); }
.radio-item input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-dot {
  width: 20px; height: 20px; border-radius: 50%; border: 2px solid #D5D5D5;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: all var(--transition); background: #fff;
}
.radio-dot::after {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: transparent; transition: all var(--transition);
}
.radio-item input:checked ~ .radio-dot { border-color: var(--modi-red); box-shadow: 0 0 0 3px rgba(211,89,66,0.15); }
.radio-item input:checked ~ .radio-dot::after { background: var(--modi-red); }
.radio-item:has(input:checked) { border-color: var(--modi-red); background: var(--modi-red-pale); }
.radio-text { font-size: 0.92rem; color: var(--text-sub); display: flex; align-items: center; gap: 10px; transition: color var(--transition); }
.radio-text i { color: var(--modi-red); }
.radio-item:has(input:checked) .radio-text { color: var(--text-dark); font-weight: 600; }

/* ── 별점 ── */
.scale-legend {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 20px; background: var(--modi-red-pale);
  border: 1px solid rgba(211,89,66,0.2); border-radius: var(--radius-sm);
  margin-bottom: 16px; font-size: 0.82rem; color: var(--text-sub);
}
.legend-bar { display: flex; gap: 8px; }
.legend-bar span {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; color: var(--text-hint); background: #fff;
}

.star-rating { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.star-btn {
  background: none; border: none; cursor: pointer; font-size: 2rem;
  color: #D5D5D5; transition: color var(--transition), transform var(--transition);
  padding: 4px; line-height: 1;
}
.star-btn:hover, .star-btn.active { color: var(--modi-red); }
.star-btn:hover { transform: scale(1.2); }
.star-btn.active { animation: starPop 0.2s ease; }
@keyframes starPop {
  0% { transform: scale(1); } 50% { transform: scale(1.3); } 100% { transform: scale(1); }
}
.rating-label-text { font-size: 0.82rem; color: var(--modi-red); font-weight: 600; min-height: 1.2em; margin-top: 6px; }

/* ── 전체 만족도 ── */
.overall-card { background: linear-gradient(135deg, #FFF5F3, #FDEAE6); border-color: rgba(211,89,66,0.3); }
.overall-rating { display: flex; gap: 12px; justify-content: center; margin: 20px 0 10px; flex-wrap: wrap; }
.overall-star {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: #fff; border: 2px solid var(--border); border-radius: 14px;
  padding: 16px 20px; cursor: pointer; transition: all var(--transition); color: #D5D5D5;
  min-width: 68px; box-shadow: var(--shadow-sm);
}
.overall-star i { font-size: 1.8rem; transition: color var(--transition); }
.overall-star span { font-size: 0.75rem; color: var(--text-hint); font-weight: 600; }
.overall-star:hover, .overall-star.active {
  border-color: var(--modi-red); background: var(--modi-red-pale);
  transform: translateY(-4px); box-shadow: 0 8px 24px rgba(211,89,66,0.25);
}
.overall-star.active i, .overall-star:hover i { color: var(--modi-red); }
.overall-label-text {
  text-align: center; font-size: 0.9rem; color: var(--modi-red);
  font-weight: 700; min-height: 1.4em; margin-top: 8px;
}

/* ── 제출 ── */
.submit-area { text-align: center; padding: 40px 0 20px; }
.submit-message {
  background: linear-gradient(135deg, #FFF5F3, #FDEAE6);
  border: 1.5px solid rgba(211,89,66,0.25); border-radius: var(--radius);
  padding: 24px 28px; margin-bottom: 32px; color: var(--text-sub); font-size: 0.92rem; line-height: 1.8;
}
.submit-message i { color: var(--modi-red); margin-right: 6px; }
.submit-btn {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--gradient-btn); color: #fff; border: none;
  padding: 18px 56px; border-radius: 50px; font-size: 1.1rem; font-weight: 700;
  font-family: 'Noto Sans KR', sans-serif; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 28px rgba(211,89,66,0.35); position: relative; overflow: hidden;
}
.submit-btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.submit-btn:hover::after { opacity: 1; }
.submit-btn:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 12px 40px rgba(211,89,66,0.45); }
.submit-btn:active { transform: scale(0.98); }

/* ── 모달 ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(100,20,0,0.5); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal-box {
  background: #fff; border: 2px solid var(--border); border-radius: 24px;
  padding: 48px 40px; max-width: 440px; width: 90%; text-align: center;
  transform: scale(0.8) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 24px 80px rgba(211,89,66,0.2);
}
.modal-overlay.show .modal-box { transform: scale(1) translateY(0); }
.modal-rocket { font-size: 4rem; margin-bottom: 16px; animation: rocketFly 1s ease-in-out infinite alternate; }
@keyframes rocketFly { 0% { transform: translateY(0) rotate(-5deg); } 100% { transform: translateY(-12px) rotate(5deg); } }
.modal-title {
  font-size: 1.8rem; font-weight: 800;
  background: var(--gradient-accent); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 14px;
}
.modal-desc { color: var(--text-sub); font-size: 0.95rem; line-height: 1.8; margin-bottom: 20px; }
.modal-stars { font-size: 1.5rem; margin-bottom: 24px; animation: starSpin 1.5s ease; }
@keyframes starSpin { from { transform: scale(0) rotate(-180deg); opacity: 0; } to { transform: scale(1) rotate(0); opacity: 1; } }
.modal-close-btn {
  background: var(--gradient-btn); color: #fff; border: none;
  padding: 12px 40px; border-radius: 50px; font-size: 1rem; font-weight: 700;
  font-family: 'Noto Sans KR', sans-serif; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(211,89,66,0.3);
}
.modal-close-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(211,89,66,0.4); }

/* ── 관리자 링크 ── */
.admin-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-hint);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all var(--transition);
}
.admin-link:hover {
  color: var(--modi-red);
  border-color: var(--modi-red);
  background: var(--modi-red-pale);
}

/* ── 푸터 ── */
.site-footer {
  position: relative; z-index: 1; text-align: center;
  padding: 32px 24px; border-top: 1px solid var(--border);
  background: var(--modi-red-ultra); color: var(--text-hint); font-size: 0.85rem; line-height: 2;
}

/* ══════════════════════════════
   SCROLL ANIMATIONS
══════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(38px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-card {
  opacity: 0; transform: translateY(28px) scale(0.98);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.reveal-card.visible { opacity: 1; transform: translateY(0) scale(1); }

.fade-up { animation: fadeInUp 1s cubic-bezier(0.4,0,0.2,1) 0.3s both; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 640px) {
  .info-grid, .checkbox-grid { grid-template-columns: 1fr; }
  .overall-rating { gap: 8px; }
  .overall-star { padding: 12px 14px; min-width: 56px; }
  .hero-title { font-size: 2.3rem; }
  .question-card { padding: 20px; }
  .star-btn { font-size: 1.7rem; }
  .section-badge { width: 42px; height: 42px; font-size: 0.9rem; }

}