/* ==========================================================
   base.css — 모든 페이지 공통 (리셋·변수·헤더·푸터·버튼·FAQ·Sticky CTA)
   로드 대상: 전체 페이지
   ========================================================== */

/* ===== RESET & VARIABLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  :root {
    --navy:        #1B3A6B;
    --navy-dark:   #122850;
    --navy-light:  #2a5298;
    --orange:      #E05C00;
    --orange-hover:#c25000;
    --white:       #ffffff;
    --gray-100:    #f5f7fa;
    --gray-200:    #e9ecef;
    --gray-300:    #dee2e6;
    --gray-600:    #6c757d;
    --gray-800:    #343a40;
    --text:        #212529;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 400;
    color: var(--text);
    line-height: 1.7;
    background: var(--white);
    padding-bottom: 64px;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  /* ===== HEADER ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--navy);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  }
  
  .header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
  }
  
  .site-logo {
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--white);
    letter-spacing: -0.5px;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }
  
  .site-logo img {
    display: inline-block;
    height: 36px;
    width: 36px;
    object-fit: contain;
    flex-shrink: 0;
  }
  
  .site-logo span {
    color: var(--orange);
  }
  
  /* 기본값 = 모바일 드롭다운 */
  .nav-menu {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--navy-dark);
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
    list-style: none;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .nav-menu li a {
    display: block;
    padding: 12px 24px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  
  .nav-menu a {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 700;
    transition: color 0.2s;
  }
  
  .nav-menu a:hover {
    color: var(--orange);
  }
  
  /* 기본값 = 모바일: 햄버거 표시 */
  .menu-btn {
    display: flex;
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    flex-direction: column;
    gap: 5px;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }
  
  .menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.3s;
  }
  
  /* 네비 준비 중 표시 */
  .nav-soon {
    color: rgba(255,255,255,0.4);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: default;
  }
  
  .nav-soon em {
    font-style: normal;
    font-size: 0.75rem;
    background: rgba(255,255,255,0.12);
    padding: 1px 7px;
    border-radius: 999px;
    margin-left: 4px;
  }
  
  /* ===== BREADCRUMB ===== */
  .breadcrumb-nav {
    background: var(--gray-100);
    padding: 10px 20px;
    font-size: 0.85rem;
  }
  
  .breadcrumb-list,
  .breadcrumb {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    max-width: 1100px;
    margin: 0 auto;
    color: var(--gray-600);
  }
  
  .breadcrumb-list li a,
  .breadcrumb li a {
    color: var(--navy);
  }
  
  .breadcrumb-list li a:hover,
  .breadcrumb li a:hover {
    color: var(--orange);
    text-decoration: underline;
  }
  
  /* ===== BUTTONS ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Noto Sans KR', sans-serif;
    cursor: pointer;
    border: none;
    transition: background 0.2s, transform 0.15s;
    text-decoration: none;
  }
  
  .btn:active {
    transform: scale(0.97);
  }
  
  .btn-orange {
    background: var(--orange);
    color: var(--white);
  }
  
  .btn-orange:hover {
    background: var(--orange-hover);
  }
  
  .btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.6);
  }
  
  .btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
  }
  
  
  .btn-godo {
    background: var(--white);
    color: var(--navy);
  }
  
  .btn-godo:hover {
    background: var(--gray-200);
  }
  
  /* 기본값 = 모바일 */
  .btn-sm {
    padding: 8px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
  }
  
  /* ===== SECTION COMMON ===== */
  /* 기본값 = 모바일 */
  section {
    padding: 48px 16px;
  }
  
  .section-inner {
    max-width: 1100px;
    margin: 0 auto;
  }
  
  .section-title {
    font-size: clamp(1.3rem, 3vw, 1.9rem);
    font-weight: 900;
    color: var(--navy);
    margin-bottom: 12px;
    word-break: keep-all;
  }
  
  .section-sub {
    color: var(--gray-600);
    margin-bottom: 44px;
    font-size: 1rem;
    word-break: keep-all;
  }
  
  /* ===== FAQ ===== */
  .faq-section {
    background: var(--gray-100);
  }
  
  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .faq-item {
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    overflow: hidden;
  }
  
  /* 기본값 = 모바일 */
  .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 18px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--navy);
    text-align: left;
    min-height: 56px;
  }
  
  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--navy);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 900;
    transition: transform 0.3s, background 0.2s;
  }
  
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  
  .faq-answer-inner {
    padding: 16px 24px 20px;
    color: var(--gray-800);
    font-size: 0.95rem;
    line-height: 1.8;
    word-break: keep-all;
    border-top: 1px solid var(--gray-200);
  }
  
  .faq-item.open .faq-answer {
    max-height: 600px;
  }
  
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--orange);
  }
  
  /* ===== FOOTER ===== */
  .site-footer {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.65);
    padding: 36px 20px;
    text-align: center;
  }
  
  .footer-inner {
    max-width: 900px;
    margin: 0 auto;
  }
  
  .footer-logo {
    font-weight: 900;
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 12px;
    white-space: nowrap;
    letter-spacing: -0.5px;
  }
  
  .footer-logo span {
    color: var(--orange);
  }
  
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
  }
  
  .footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: color 0.2s;
  }
  
  .footer-links a:hover {
    color: var(--orange);
  }
  
  .footer-copy {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.35);
  }
  
  /* ===== STICKY CTA BAR ===== */
  #sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 900;
    background: var(--navy-dark);
    padding: 12px 20px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.25);
  }
  
  /* 기본값 = 모바일 */
  .sticky-text {
    color: var(--white);
    font-weight: 700;
    font-size: 0.82rem;
  }
  
  .sticky-price {
    color: var(--orange);
    font-weight: 900;
  }
  
  .sticky-btn-group {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
  }
  
  /* ===== DESKTOP — BASE ===== */
  @media (min-width: 769px) {
    /* 헤더 풀메뉴 */
    .header-inner {
      justify-content: space-between;
    }
  
    .menu-btn {
      display: none;
    }
  
    .nav-menu {
      display: flex;
      position: static;
      background: transparent;
      flex-direction: row;
      gap: 28px;
      padding: 0;
    }
  
    .nav-menu li a {
      display: inline;
      padding: 0;
      border-bottom: none;
    }
  
    /* 섹션 공통 패딩 */
    section {
      padding: 72px 20px;
    }
  
    /* FAQ */
    .faq-question {
      padding: 20px 24px;
      font-size: 1rem;
      min-height: auto;
    }
  
    /* Sticky CTA */
    .sticky-text {
      font-size: 0.95rem;
    }
  
    .sticky-btn-group {
      gap: 10px;
    }
  
    .btn-sm {
      padding: 10px 20px;
      font-size: 0.88rem;
    }
  }
  
  
  /* ===== 오늘의 팁 카드 ===== */
  .daily-tip-section {
    padding: 0 20px;
    margin: -8px auto 0;
    max-width: 900px;
  }
  
  .daily-tip-wrap {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #f0f7ff;
    border-left: 4px solid #0066cc;
    border-radius: 10px;
    padding: 16px 18px;
  }
  
  .tip-emoji {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
  }
  
  .tip-body {
    flex: 1;
  }
  
  .tip-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: #0055aa;
    margin-bottom: 4px;
  }
  
  .tip-text {
    font-size: 0.87rem;
    color: #333;
    line-height: 1.65;
    word-break: keep-all;
  }
  
  @media (min-width: 769px) {
    .daily-tip-section {
      padding: 0 40px;
    }
  }
  
  /* ===== 홈화면 추가 설치 배너 ===== */
  .install-banner {
    display: none;
    position: fixed;
    bottom: 64px; /* sticky CTA 위 */
    left: 0;
    right: 0;
    z-index: 850;
    background: var(--navy-dark);
    color: var(--white);
    padding: 12px 16px;
    align-items: center;
    gap: 12px;
    box-shadow: 0 -2px 16px rgba(0,0,0,0.3);
    animation: slideUp 0.4s ease;
  }
  
  .install-banner.visible {
    display: flex;
  }
  
  .install-banner-text {
    flex: 1;
    font-size: 0.82rem;
    line-height: 1.45;
  }
  
  .install-banner-text strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 2px;
  }
  
  .install-banner-btn {
    background: #0066cc;
    color: var(--white);
    border: none;
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .install-banner-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    flex-shrink: 0;
  }
  
  @keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
  }
  
  /* ===== iOS 홈화면 추가 안내 모달 ===== */
  .ios-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.55);
    align-items: flex-end;
    justify-content: center;
    padding: 0 0 80px;
    animation: fadeIn 0.25s ease;
  }
  
  .ios-modal-overlay.visible {
    display: flex;
  }
  
  .ios-modal {
    background: var(--white);
    border-radius: 16px 16px 0 0;
    padding: 28px 24px 24px;
    width: 100%;
    max-width: 480px;
    text-align: center;
  }
  
  .ios-modal-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 20px;
  }
  
  .ios-modal-steps {
    list-style: none;
    counter-reset: step;
    text-align: left;
    margin-bottom: 16px;
  }
  
  .ios-modal-steps li {
    counter-increment: step;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-200);
  }
  
  .ios-modal-steps li::before {
    content: counter(step);
    background: #0066cc;
    color: var(--white);
    font-size: 0.78rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  
  .ios-modal-hint {
    font-size: 0.82rem;
    color: var(--gray-600);
    margin-bottom: 20px;
  }
  
  .ios-modal-close {
    background: #0066cc;
    color: var(--white);
    border: none;
    border-radius: 10px;
    padding: 13px 0;
    width: 100%;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }
  
  /* ===== PWA 하단 탭바 (standalone 모드 전용) ===== */
  #pwa-tabbar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 950;
    background: var(--navy-dark);
    box-shadow: 0 -1px 0 rgba(255,255,255,0.08);
    /* iOS safe area 대응 */
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  
  .pwa-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px 10px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    gap: 3px;
    transition: color 0.15s;
  }
  
  .pwa-tab--active {
    color: #60a5fa;
  }
  
  .pwa-tab:active {
    background: rgba(255,255,255,0.06);
  }
  
  .pwa-tab-icon {
    font-size: 1.35rem;
    line-height: 1;
  }
  
  .pwa-tab-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: -0.02em;
  }
  
  /* standalone 모드: 하단 여백 확보 + sticky CTA 숨김 */
  body.pwa-standalone {
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
  }
  
  body.pwa-standalone #sticky-cta {
    display: none !important;
  }