/* ============================================
   모바일 최적화 스타일 v2.0.0 - 완전 자동화
   © 2025 無盡藏[무진장] 전문상담연구소
   열기/닫기 자유롭고 부드러운 애니메이션
   ============================================ */

/* ===== 기본 모바일 설정 ===== */
@media (max-width: 768px) {
    
    /* ===== 전역 설정 ===== */
    body {
        font-size: 14px;
        line-height: 1.5;
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 15px;
        max-width: 100%;
    }
    
    /* ===== 네비게이션 모바일 최적화 (개선됨) ===== */
    nav {
        padding: 0;
        transition: all 0.3s ease;
    }
    
    nav .container {
        padding: 10px 15px;
        position: relative;
    }
    
    /* 브랜드 로고 모바일 크기 조정 */
    .nav-brand {
        font-size: 18px;
        gap: 8px;
        margin-right: 0;
        flex-shrink: 0;
        z-index: 1002;
    }
    
    .dharma-wheel {
        width: 36px;
        height: 36px;
        transition: transform 0.3s ease;
    }
    
    /* 로고 터치 피드백 */
    .nav-brand:active .dharma-wheel {
        transform: scale(0.95);
    }
    
    /* 햄버거 메뉴 표시 (개선된 버전) */
    .hamburger {
        display: flex !important;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1002;
        cursor: pointer;
        padding: 8px;
        border-radius: 8px;
        background: transparent;
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: rgba(255, 215, 0, 0.2);
    }
    
    /* 햄버거 호버/터치 효과 */
    .hamburger:hover,
    .hamburger:active {
        background: rgba(255, 215, 0, 0.1);
        transform: translateY(-50%) scale(1.05);
    }
    
    .hamburger span {
        width: 25px;
        height: 3px;
        background: var(--accent-green);
        border-radius: 3px;
        transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        transform-origin: center;
    }
    
    /* 햄버거 활성화 상태 (부드러운 X 애니메이션) */
    .hamburger.active {
        background: rgba(255, 215, 0, 0.15);
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
        background: #d4af37;
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
        background: #d4af37;
    }
    
    /* 네비게이션 메뉴 모바일 레이아웃 (개선된 버전) */
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 85%;
        max-width: 340px;
        height: calc(100vh - 60px);
        height: calc(100dvh - 60px); /* 동적 뷰포트 높이 지원 */
        background: linear-gradient(
            to bottom,
            rgba(255, 255, 255, 0.98) 0%,
            rgba(248, 248, 248, 0.98) 100%
        );
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        flex-direction: column;
        gap: 0;
        padding: 25px 0;
        box-shadow: 2px 0 20px rgba(0,0,0,0.15);
        transition: left 0.35s cubic-bezier(0.4, 0.0, 0.2, 1);
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 1000;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 메뉴 열림 상태 */
    .nav-menu.active {
        left: 0;
        box-shadow: 2px 0 30px rgba(0,0,0,0.2);
    }
    
    /* 메뉴 오버레이 (배경 어둡게) */
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 60px;
        left: 85%;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.3);
        z-index: -1;
        animation: fadeIn 0.3s ease;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    
    /* 메뉴 아이템 */
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        transition: background 0.2s ease;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu li:hover {
        background: rgba(255, 215, 0, 0.05);
    }
    
    /* 메뉴 링크 */
    .nav-menu a {
        display: block;
        width: 100%;
        padding: 16px 25px;
        font-size: 16px;
        font-weight: 500;
        text-align: left;
        transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
        position: relative;
        overflow: hidden;
    }
    
    /* 링크 호버/터치 효과 */
    .nav-menu a::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 0;
        height: 100%;
        background: linear-gradient(90deg, rgba(255, 215, 0, 0.1), transparent);
        transition: width 0.3s ease;
        z-index: -1;
    }
    
    .nav-menu a:hover::before,
    .nav-menu a:active::before {
        width: 100%;
    }
    
    .nav-menu a:hover,
    .nav-menu a:active {
        background: rgba(255, 215, 0, 0.1);
        padding-left: 35px;
        color: #d4af37;
        transform: translateX(5px);
    }
    
    /* 터치 피드백 */
    .nav-menu a:active {
        background: rgba(255, 215, 0, 0.2);
        transform: scale(0.98) translateX(5px);
    }
    
    /* 2줄 메뉴 모바일 최적화 */
    .nav-vertical {
        flex-direction: row !important;
        align-items: center;
        gap: 8px;
    }
    
    .nav-vertical .nav-main,
    .nav-vertical .nav-sub {
        font-size: 16px;
        line-height: 1.3;
    }
    
    /* 세로 메뉴 모바일 최적화 */
    .nav-vertical-single {
        line-height: 1.8;
        padding: 14px 25px !important;
        font-size: 16px;
    }
    
    /* 상담봇 버튼 모바일 (강조) */
    .nav-chatbot-btn {
        background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
        color: white !important;
        font-weight: 700;
        border-radius: 12px;
        margin: 15px 20px;
        text-align: center;
        line-height: 1.6;
        box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
        transition: all 0.3s ease;
    }
    
    .nav-chatbot-btn:hover,
    .nav-chatbot-btn:active {
        background: linear-gradient(135deg, #FFA500 0%, #FFD700 100%);
        box-shadow: 0 6px 20px rgba(255, 165, 0, 0.4);
        transform: translateY(-2px) !important;
        padding-left: 25px !important;
    }
    
    /* Google Translate 모바일 (개선됨) */
    .nav-translate {
        display: flex !important;
        width: 100%;
        justify-content: center;
        align-items: center;
        padding: 20px 25px;
        border-left: none;
        border-top: 2px solid rgba(255, 215, 0, 0.3);
        margin: 15px 0 0 0;
        background: rgba(255, 215, 0, 0.05);
    }
    
    #google_translate_element {
        width: 100%;
        display: flex !important;
        justify-content: center;
        align-items: center;
    }
    
    #google_translate_element > div {
        width: 100%;
        display: flex !important;
        justify-content: center;
    }
    
    #google_translate_element select,
    #google_translate_element .goog-te-combo {
        width: 100%;
        max-width: 280px;
        font-size: 15px !important;
        font-weight: 600;
        padding: 14px 18px;
        border-radius: 10px;
        border: 2px solid #FFD700 !important;
        background: white !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        cursor: pointer;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23FFD700' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
        background-repeat: no-repeat !important;
        background-position: right 12px center !important;
        background-size: 12px !important;
        padding-right: 35px !important;
    }
    
    #google_translate_element select:active,
    #google_translate_element .goog-te-combo:active {
        transform: scale(0.98);
        box-shadow: 0 1px 5px rgba(0,0,0,0.1);
    }
    
    /* Google Translate 상단 배너 숨기기 */
    .goog-te-banner-frame {
        display: none !important;
    }
    
    body {
        top: 0 !important;
    }
    
    .skiptranslate {
        display: block !important;
    }
    
    /* ===== 히어로 섹션 모바일 최적화 ===== */
    .hero {
        min-height: 70vh !important;
        padding-top: 80px !important;
        background-attachment: scroll !important;
    }
    
    .hero .container {
        padding-top: 40px !important;
    }
    
    .hero-content {
        padding: 20px;
        animation: fadeInUp 0.6s ease;
    }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .hero-content h1 {
        font-size: 28px !important;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .hero-content .subtitle {
        font-size: 16px !important;
        line-height: 1.4;
        margin-bottom: 15px;
    }
    
    .hero-content p {
        font-size: 14px !important;
        line-height: 1.6;
        margin-bottom: 25px;
    }
    
    /* 히어로 버튼 모바일 (개선됨) */
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 100%;
        font-size: 16px !important;
        font-weight: 600;
        padding: 16px 30px !important;
        text-align: center;
        white-space: nowrap;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: rgba(255, 215, 0, 0.2);
    }
    
    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.98);
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    /* ===== 섹션 공통 모바일 최적화 ===== */
    section {
        padding: 40px 0 !important;
    }
    
    section h2 {
        font-size: 26px !important;
        margin-bottom: 15px;
    }
    
    section h3 {
        font-size: 20px !important;
        margin-bottom: 12px;
    }
    
    section p,
    section li {
        font-size: 14px !important;
        line-height: 1.6;
    }
    
    /* ===== 스크롤바 모바일 (부드러움) ===== */
    .nav-menu::-webkit-scrollbar {
        width: 6px;
    }
    
    .nav-menu::-webkit-scrollbar-track {
        background: rgba(0,0,0,0.05);
        border-radius: 10px;
    }
    
    .nav-menu::-webkit-scrollbar-thumb {
        background: linear-gradient(180deg, var(--primary-gold), var(--primary-dark));
        border-radius: 10px;
        transition: background 0.3s ease;
    }
    
    .nav-menu::-webkit-scrollbar-thumb:hover {
        background: var(--primary-dark);
    }
    
    /* ===== 터치 최적화 (개선됨) ===== */
    a,
    button,
    .clickable {
        -webkit-tap-highlight-color: rgba(255, 215, 0, 0.2);
        touch-action: manipulation;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* 이미지 드래그 방지 */
    img {
        -webkit-user-drag: none;
        -khtml-user-drag: none;
        -moz-user-drag: none;
        -o-user-drag: none;
        user-drag: none;
    }
    
    /* ===== 이미지 최적화 ===== */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    /* ===== 텍스트 선택 방지 (네비게이션) ===== */
    .nav-menu,
    .hamburger,
    .nav-brand {
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* ===== 추가 최적화 ===== */
    
    /* 회사 소개 섹션 */
    .company-intro-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* 제품 그리드 */
    .product-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* 가격표 */
    .price-table-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* 상담 서비스 */
    .consultation-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    /* 연락처 박스 */
    .contact-boxes {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
}

/* ===== 작은 모바일 (320px - 480px) ===== */
@media (max-width: 480px) {
    
    body {
        font-size: 13px;
    }
    
    .nav-brand {
        font-size: 16px;
    }
    
    .dharma-wheel {
        width: 32px;
        height: 32px;
    }
    
    .nav-menu {
        width: 90%;
        max-width: 300px;
    }
    
    .hero-content h1 {
        font-size: 24px !important;
    }
    
    .hero-content .subtitle {
        font-size: 14px !important;
    }
    
    section h2 {
        font-size: 22px !important;
    }
}

/* ===== 태블릿 세로 (481px - 768px) ===== */
@media (min-width: 481px) and (max-width: 768px) {
    
    .product-grid,
    .price-table-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px;
    }
    
    .consultation-grid,
    .contact-boxes {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px;
    }
}

/* ===== 가로 모드 최적화 ===== */
@media (max-width: 768px) and (orientation: landscape) {
    
    .hero {
        min-height: 100vh !important;
    }
    
    .nav-menu {
        height: calc(100vh - 50px);
    }
}

/* ===== iOS 안전 영역 대응 ===== */
@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        nav .container {
            padding-left: max(15px, env(safe-area-inset-left));
            padding-right: max(15px, env(safe-area-inset-right));
        }
        
        .container {
            padding-left: max(15px, env(safe-area-inset-left));
            padding-right: max(15px, env(safe-area-inset-right));
        }
        
        .nav-menu {
            padding-bottom: max(25px, env(safe-area-inset-bottom));
        }
    }
}

/* ===== 다크모드 지원 (선택사항) ===== */
@media (prefers-color-scheme: dark) {
    @media (max-width: 768px) {
        .nav-menu {
            background: linear-gradient(
                to bottom,
                rgba(30, 30, 30, 0.98) 0%,
                rgba(20, 20, 20, 0.98) 100%
            );
        }
        
        .nav-menu a {
            color: #f5f5f5;
        }
    }
}