/* ===================================================
   Canvas 배경 맨 뒤 배치 & 섹션 투명화 처리
   =================================================== */
#canvas-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1; /* 다른 요소들 맨 뒤로 이동 */
    pointer-events: none;
    opacity: 0.85;
}

/* 본문 전체 배경을 미색 종이 질감 색상으로 지정하고, 섹션 배경은 투명화 */
body {
    background-color: #f8f6f0;
}

section, .hero, .about-section, .discography-section, .listen-section, footer {
    background-color: transparent !important;
}

/* 전역 변수 설정 (종이 질감, 수채화 및 펜화 톤앤매너) */
:root {
    --bg-paper: #f8f6f0;
    --text-primary: #2c2a29;
    --text-muted: #6b6763;
    --accent-watercolor-green: rgba(138, 154, 134, 0.4);
    --accent-watercolor-yellow: rgba(228, 203, 138, 0.35);
    --accent-ink: #1e1d1c;
    --border-line: rgba(44, 42, 41, 0.12);
    --font-serif: 'Noto Serif KR', serif;
    --font-en: 'Cormorant Garamond', serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-paper);
    color: var(--text-primary);
    font-family: var(--font-serif);
    overflow-x: hidden;
    line-height: 1.8;
}

/* ===================================================
   상단 고정 네비게이션 헤더
   =================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5rem;
    box-sizing: border-box;
    
    /* 스크롤 시 글자가 겹치지 않도록 반투명 배경 + 유리 블러 효과 */
    background: rgba(248, 246, 240, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo {
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent-ink);
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.6;
}

.navbar nav ul {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.navbar nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-en);
    font-size: 1rem;
    letter-spacing: 0.15em;
    transition: opacity 0.3s ease;
}

.navbar nav a:hover {
    opacity: 0.5;
}

/* 히어로 섹션 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1.5rem;
}

.hero-content {
    max-width: 800px;
    animation: fadeIn 1.5s ease-out;
}

.subtitle {
    font-family: var(--font-en);
    font-size: 1.2rem;
    font-style: italic;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 1rem;
}

.title {
    font-family: var(--font-en);
    font-size: 5rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    margin-bottom: 1.5rem;
    color: var(--accent-ink);
}

.tagline {
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 2.5rem;
    word-break: keep-all;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    border: 1px solid var(--accent-ink);
    color: var(--accent-ink);
    text-decoration: none;
    font-family: var(--font-en);
    font-size: 1rem;
    letter-spacing: 0.15em;
    background: transparent;
    transition: all 0.4s ease;
}

.btn:hover {
    background-color: var(--accent-ink);
    color: var(--bg-paper);
}

/* 레이아웃 제어 */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

/* ABOUT 섹션 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-art-frame {
    height: 400px;
    background: linear-gradient(135deg, rgba(228, 203, 138, 0.25), rgba(138, 154, 134, 0.3)),
                repeating-linear-gradient(45deg, rgba(30, 29, 28, 0.03) 0px, rgba(30, 29, 28, 0.03) 2px, transparent 2px, transparent 8px);
    border: 1px solid var(--border-line);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    box-shadow: 10px 10px 30px rgba(0,0,0,0.03);
    position: relative;
}

.art-caption {
    font-style: italic;
    color: var(--text-muted);
    text-align: center;
    font-size: 1.1rem;
}

.about-text h2 {
    font-family: var(--font-en);
    font-size: 2.8rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.about-text .lead {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1rem;
    word-break: keep-all;
}

.about-text p {
    color: var(--text-muted);
    font-size: 0.98rem;
    word-break: keep-all;
}

/* DISCOGRAPHY 섹션 */
.section-title {
    font-family: var(--font-en);
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 400;
    letter-spacing: 0.1em;
}

.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.album-card {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--border-line);
    padding: 1.5rem;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.album-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.album-cover {
    width: 100%;
    position: relative;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
    aspect-ratio: 1 / 1;
}

.album-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cover-1 {
    background: radial-gradient(circle at 50% 50%, rgba(228,203,138,0.4) 0%, rgba(138,154,134,0.3) 60%, rgba(44,42,41,0.1) 100%);
}

.cover-2 {
    background: linear-gradient(180deg, rgba(160,180,200,0.3) 0%, rgba(120,130,140,0.2) 100%);
}

.cover-3 {
    background: linear-gradient(45deg, rgba(210,200,190,0.4) 0%, rgba(180,170,160,0.2) 100%);
}

.album-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(30,29,28,0.8);
    color: #fff;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    font-family: var(--font-en);
    letter-spacing: 0.1em;
}

.album-info h3 {
    font-size: 1.3rem;
    font-weight: 400;
}

.album-info .en-title {
    font-family: var(--font-en);
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 0.8rem;
}

.album-info .desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    word-break: keep-all;
}

/* LISTEN 플레이어 */
.listen-section {
    background: rgba(255, 255, 255, 0.3);
    border-top: 1px solid var(--border-line);
    border-bottom: 1px solid var(--border-line);
}

.player-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border-line);
    background: rgba(248, 246, 240, 0.8);
}

.now-playing-label {
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.player-header h3 {
    font-size: 1.5rem;
    margin: 0.5rem 0 0.2rem;
    font-weight: 400;
}

.player-header p {
    font-family: var(--font-en);
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.control-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-primary);
    transition: transform 0.2s;
}

.control-btn:hover {
    transform: scale(1.15);
}

.play-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--accent-ink);
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-en);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.progress-bar {
    flex: 1;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    position: relative;
    cursor: pointer;
}

.progress-fill {
    width: 35%;
    height: 100%;
    background: var(--accent-ink);
}

/* 푸터 */
.footer {
    padding: 5rem 0 3rem;
    text-align: center;
}

.footer h2 {
    font-family: var(--font-en);
    font-weight: 400;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.email-link {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 1.4rem;
    color: var(--accent-ink);
    text-decoration: none;
    margin: 1.5rem 0;
    border-bottom: 1px solid var(--accent-ink);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

.social-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-family: var(--font-en);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.copyright {
    margin-top: 3rem;
    font-size: 0.8rem;
    color: rgba(0,0,0,0.3);
}

/* 키프레임 애니메이션 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 반응형 모바일 대응 */
@media (max-width: 768px) {
    .navbar { padding: 1.5rem 2.0rem; }
    .navbar nav { display: none; }
    .title { font-size: 3.2rem; }
    .about-grid { grid-template-columns: 1fr; }
}