/* Ethnocentric 폰트 로드 */
@import url('https://fonts.cdnfonts.com/css/ethnocentric');

/* 기본 리셋 및 변수 - 라이트모드(기본) */
:root,
[data-theme="light"] {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #1f2937;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --header-bg: #1f2937;
    --card-bg: #ffffff;
    --footer-bg: #1f2937;
}

/* 다크모드 */
[data-theme="dark"] {
    --primary-color: #818cf8;
    --secondary-color: #a78bfa;
    --text-color: #f3f4f6;
    --text-light: #9ca3af;
    --bg-color: #111827;
    --bg-light: #1f2937;
    --bg-dark: #0f172a;
    --border-color: #374151;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --header-bg: #0f172a;
    --card-bg: #1f2937;
    --footer-bg: #0f172a;
}

/* 다크모드: 입력 필드 텍스트/배경 반전 (글씨 보이도록) */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    color: var(--text-color);
    background-color: var(--bg-light);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-light);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Ethnocentric', 'Orbitron', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* 영문은 Ethnocentric 우선 적용 */
.nav-link,
.btn,
input, textarea, select {
    font-family: 'Ethnocentric', 'Orbitron', 'Noto Sans KR', sans-serif;
}

/* 메인페이지 영어 텍스트에 Ethnocentric 적용 (영어 우선, 한글은 Noto Sans KR) */
.hero-title,
.hero-subtitle,
.section-title,
.footer p {
    font-family: 'Ethnocentric', 'Orbitron', 'Noto Sans KR', sans-serif;
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* 한글 본문은 Noto Sans KR 우선 적용 */
.about-text,
.service-card h3,
.service-card p,
.form-group label {
    font-family: 'Noto Sans KR', 'Ethnocentric', 'Orbitron', sans-serif;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 및 네비게이션 */
.header {
    background-color: var(--header-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-img:hover {
    opacity: 0.8;
}

.logo-text {
    font-family: 'Ethnocentric', 'Orbitron', 'Noto Sans KR', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: var(--transition);
}

.logo-text:hover {
    color: var(--primary-color);
}

.logo-e {
    color: var(--primary-color);
}

/* 테마별 로고 전환: 라이트 모드 - 새 로고, 다크 모드 - 기존 로고 */
[data-theme="light"] .logo-img-dark {
    display: none;
}
[data-theme="light"] .logo-img-light {
    display: block;
}
[data-theme="dark"] .logo-img-light {
    display: none;
}
[data-theme="dark"] .logo-img-dark {
    display: block;
}

/* 로고 제외 네비 요소들 우측 정렬 묶음 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.25rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ABOUT 드롭다운 메뉴 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown .nav-link {
    cursor: pointer;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--header-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    list-style: none;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 1001;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu li {
    margin: 0;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: white;
    text-decoration: none;
    font-family: 'Ethnocentric', 'Orbitron', 'Noto Sans KR', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.02em;
    transition: var(--transition);
}

.nav-dropdown-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

/* OO님 환영합니다 호버 시 드롭다운 (관리자: 문의관리 / 일반유저: 마이페이지) */
.nav-welcome-dropdown .nav-link.nav-welcome {
    cursor: pointer;
    color: white !important;
}

.nav-welcome-dropdown .nav-dropdown-menu {
    left: auto;
    right: 0;
    min-width: 160px;
}

.nav-login {
    background-color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 6px;
    color: white !important;
}

.nav-login:hover {
    background-color: var(--secondary-color);
    color: white !important;
}

.nav-login::after {
    display: none;
}

.nav-welcome-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-welcome {
    color: white !important;
    cursor: default;
    text-transform: none;
    letter-spacing: 0.02em;
}

.nav-logout {
    margin-left: 0.5rem;
    padding: 4px 12px;
    font-size: 0.8rem;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: rgba(255,255,255,0.9);
    border-radius: 6px;
    cursor: pointer;
    font-family: 'Noto Sans KR', sans-serif;
    transition: var(--transition);
}

.nav-logout:hover {
    background: rgba(255,255,255,0.2);
    border-color: white;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 테마 토글 버튼 (전구 아이콘) */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: white;
    border-radius: 8px;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
}

/* 히어로 섹션 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

/* 히어로 로고 - 전체 이미지가 보이도록 */
.hero-logo-wrap {
    width: 100%;
    min-height: 300px;
    overflow: visible;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.logo-loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.logo-loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.logo-loading-spinner {
    width: 168px;
    height: 168px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-loading-spinner-ring {
    position: absolute;
    inset: 0;
    border: 12px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: logoLoadingSpin 0.8s linear infinite;
}

.logo-loading-countdown {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 3.75rem;
    font-weight: 700;
}

@keyframes logoLoadingSpin {
    to {
        transform: rotate(360deg);
    }
}

.hero-logo {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    object-position: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: heroTextSlideUp 2s ease forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
    opacity: 0;
    animation: heroTextSlideUp 2s ease 0.15s forwards;
}

/* 유튜브 소개 영상 모달 */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
}

.video-modal-content {
    position: relative;
    width: 100%;
    max-width: 960px;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.video-modal-close:hover {
    background: rgba(255, 255, 255, 0.4);
}

.video-modal-inner {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
}

.video-modal-inner iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 버튼 */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 섹션 공통 스타일 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

/* 소개 섹션 */
.about {
    background-color: var(--bg-light);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* 서비스 섹션 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 5rem;
}

.service-card {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon img {
    width: 12rem;
    height: 12rem;
    object-fit: contain;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 서비스 카드 클릭 인터랙션: 선택 시 나머지 카드 흑백·블러·투명, 설명박스 표시 */
.service-card {
    cursor: pointer;
    position: relative;
}

.service-card-description {
    display: none;
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    text-align: left;
}

.service-card-description p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-color);
}

.services-grid.has-selection .service-card:not(.selected) {
    filter: grayscale(1) blur(4px);
    opacity: 0.5;
    pointer-events: none;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.services-grid .service-card {
    transition: filter 0.3s ease, opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card.selected .service-card-description {
    display: block;
    animation: serviceDescIn 0.3s ease;
}

.service-card-link {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, rgba(128, 128, 128, 0.3));
    font-size: 0.95rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.service-card-link:hover {
    opacity: 0.8;
}

.service-card.selected .service-card-link {
    display: block;
    animation: serviceDescIn 0.3s ease;
}

@keyframes serviceDescIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 연락처 섹션 */
.contact {
    background-color: var(--bg-light);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* 로그인 섹션 */
.login {
    background-color: var(--bg-color);
}

.login-content {
    max-width: 500px;
    margin: 0 auto;
}

.login-form {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* 푸터 */
.footer {
    background-color: var(--footer-bg);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 히어로 텍스트: 투명→표시, 하단에서 상단으로 2초 슬라이드업 */
@keyframes heroTextSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        padding: 1rem;
        display: block;
    }

    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        padding: 0 0 0 1rem;
        margin-top: 0.5rem;
    }

    .nav-dropdown-menu a {
        padding: 0.5rem 1rem;
    }

    .nav-login {
        margin: 1rem auto;
        display: inline-block;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .contact-form,
    .login-form {
        padding: 1.5rem;
    }

    .logo-img {
        height: 80px;
    }
}