/* yyyy/MM/dd 김자비: 프리미엄 다크 테마 및 반응형 CSS 구성 */
:root {
    --bg-color: #0b0d17;
    --bg-accent: #1a1a2e;
    --primary: #e94560;
    --primary-hover: #ff5775;
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 15% 50%, rgba(233, 69, 96, 0.15), transparent 50%),
                radial-gradient(circle at 85% 30%, rgba(15, 52, 96, 0.2), transparent 50%);
    animation: bg-pulse 10s ease-in-out infinite alternate;
}

@keyframes bg-pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    animation: fadeUp 1s ease forwards;
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
    opacity: 0;
    animation: fadeUp 1s ease 0.2s forwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-heading);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.6);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: var(--glass-bg);
    transform: translateY(-3px);
    border-color: var(--text-main);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    opacity: 0;
    animation: fadeUp 1s ease 0.4s forwards;
}

/* App Showcase */
.app-showcase {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Glassmorphism Card */
.app-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.app-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.app-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.app-icon-wrap {
    width: 100px;
    height: 100px;
    margin-bottom: 1.5rem;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.app-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.app-card:hover .app-icon {
    transform: scale(1.05);
}

.app-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.app-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.store-links {
    display: flex;
    gap: 0.5rem;
    width: 100%;
}

.store-btn {
    flex: 1;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    transition: var(--transition);
}

.store-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Contact Section */
.contact-section {
    padding: 5rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

.submit-btn {
    width: 100%;
    font-size: 1.1rem;
    padding: 1rem;
}

.form-feedback {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
}
.feedback-success { color: #4ade80; }
.feedback-error { color: #f87171; }

/* Footer */
/* 2026/09/21 박준서: index.php 푸터 원복에 따른 스타일 복원 */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    margin-top: 3rem;
}

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

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .glass-panel { padding: 2rem; }
}

/* 2026/06/13 박준서: 관리자 확인용 버튼 및 모달 스타일 정의 시작 */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.form-actions .submit-btn {
    flex: 2;
    margin-top: 0;
}

.form-actions .admin-btn {
    flex: 1;
    margin-top: 0;
}

@media (max-width: 600px) {
    .form-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    .form-actions .submit-btn,
    .form-actions .admin-btn {
        width: 100%;
    }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(11, 13, 23, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    width: 90%;
    max-width: 1000px;
    max-height: 85vh;
    overflow-y: auto;
    border-radius: 20px;
    padding: 2.5rem;
    animation: zoomIn 0.3s ease-out;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.8rem;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-btn {
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

.inquiry-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.inquiry-table th, 
.inquiry-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
}

.inquiry-table th {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    font-weight: 600;
    font-family: var(--font-heading);
}

.inquiry-table td {
    color: var(--text-muted);
    word-break: break-all;
}

.inquiry-table tbody tr:last-child td {
    border-bottom: none;
}

.inquiry-table tbody tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-main);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}
/* 2026/06/13 박준서: 관리자 확인용 스타일 정의 끝 */