/* 1. 폰트 불러오기 (Pretendard) */
@import url("/assets/fonts/pretendard/pretendard.css");

/* 2. 공통 변수 → tokens.css 로 이동.
   색·표면·타이포·간격 토큰은 이 파일보다 먼저 link 되는 tokens.css 가 정의한다.
   (라이트/다크 값 모두 그쪽에 있음) */

/* 3. 기본 설정 (Reset & Base) */
body, html {
    margin: 0; padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    width: 100%;
    cursor: default; /* 시스템 커서 보임 (커스텀 커서는 별도 레이어) */
    transition: background-color 0.6s cubic-bezier(0.16, 1, 0.3, 1), color 0.6s ease;
}

/* 링크 등에 마우스 올렸을 때 포인터 설정 */
a, button, .hover-trigger {
    cursor: pointer;
}

/* =========================================
   HEADER SECTION
   ========================================= */
#global-header {
    position: fixed; top: 0; left: 0; width: 100%; height: 60px; z-index: 900; 
    display: flex; align-items: center; justify-content: center;
    background-color: rgba(245, 245, 247, 0.7); 
    backdrop-filter: blur(10px); 
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease, background-color 0.3s ease, height 0.3s ease, border-bottom 0.3s ease;
}

.dark-mode #global-header {
    background-color: rgba(5, 5, 5, 0.7);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

#global-header.at-top {
    height: 90px; 
    background-color: transparent; 
    border-bottom: 1px solid transparent; 
}

#global-header.header-hidden { transform: translateY(-100%); }

.header-inner {
    width: 100%; max-width: 1200px; padding: 0 20px;
    display: flex; justify-content: space-between; align-items: center;
    box-sizing: border-box; height: 100%; 
}

.header-left { display: flex; align-items: center; gap: 40px; }
.header-logo { display: flex; align-items: center; text-decoration: none; }

.header-logo img {
    height: 24px; width: auto; display: block;
    transition: height 0.3s cubic-bezier(0.25, 0.1, 0.25, 1), filter 0.3s ease;
}
.dark-mode .header-logo img { filter: invert(1) brightness(2); }

#global-header.at-top .header-logo img { height: 31px; }

.header-nav { display: flex; gap: 24px; }

.nav-link {
    font-size: 1.1rem; color: var(--text-sub); text-decoration: none;
    font-weight: 500; position: relative; transition: color 0.2s;
}
.nav-link:hover { color: var(--text-color); }
.nav-link.active { color: var(--text-color); font-weight: 600; }
.nav-link.active::after {
    content: ''; position: absolute; left: 0; bottom: -4px;
    width: 100%; height: 2px; background-color: var(--text-color); border-radius: 2px;
}

.header-right { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; font-weight: 500; }
.lang-btn {
    background: none; border: none; padding: 4px; cursor: pointer;
    color: var(--text-sub); font-family: var(--font-sans);
    font-size: inherit; transition: color 0.2s;
}
.lang-btn.active { color: var(--text-color); font-weight: 700; }
.lang-btn.hover { color: var(--accent-color); }

/* =========================================
   CURSOR & TRANSITION
   ========================================= */
#page-entry-curtain {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: #000; z-index: 9998; 
}

/* 커서 배경 레이어 (원) */
#cursor-bg-layer {
    position: fixed; top: 0; left: 0; width: 0; height: 0; 
    z-index: 9990; pointer-events: none;
    mix-blend-mode: normal; 
    display: flex; align-items: center; justify-content: center;
}
#cursor-bg-layer.active-enter { mix-blend-mode: difference; }

#cursor-circle {
    position: absolute; width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(120deg, var(--accent-color), var(--sub-color-1), var(--sub-color-2), var(--accent-color));
    background-size: 300% 300%;
    animation: gradientCursor 4s ease infinite; 
    opacity: 0.6; 
    transition: width 0.3s cubic-bezier(0.19, 1, 0.22, 1),
                height 0.3s cubic-bezier(0.19, 1, 0.22, 1),
                background-color 0.3s, opacity 0.3s;
}

#cursor-bg-layer.active-enter #cursor-circle {
    width: 100px; height: 100px; background: #ffffff; opacity: 1; animation: none;
}

/* 커서 텍스트 레이어 */
#cursor-text-layer {
    position: fixed; top: 0; left: 0; width: 0; height: 0; 
    z-index: 9995; pointer-events: none;
    display: flex; align-items: center; justify-content: center;
    mix-blend-mode: normal; 
}
#cursor-text {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); 
    font-size: 14px; font-weight: 500; color: #ffffff; opacity: 0; 
    white-space: nowrap; transition: opacity 0.2s; letter-spacing: 0.05em;
}
#cursor-text-layer.active-enter #cursor-text { opacity: 1; }

@keyframes gradientCursor {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* =========================================
   WORKS GALLERY STYLES
   ========================================= */
main {
    padding-top: 160px; padding-bottom: 200px;
    min-height: 100vh;
}

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

.works-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 60px 24px; 
}
@media (min-width: 768px) {
    .works-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .works-grid { grid-template-columns: repeat(3, 1fr); }
}

.work-item { opacity: 0; cursor: pointer; }

/* [수정] 비율 설정 - 기본값(Labs)은 1:1 */
.thumb-wrapper {
    position: relative; width: 100%;
    aspect-ratio: 1 / 1; /* 최신 비율 설정 방식 사용 (padding-bottom 대체) */
    overflow: hidden; border-radius: 12px;
    background-color: var(--card-bg); margin-bottom: 20px;
}

/* [추가] Projects 모드일 때 16:9 비율 적용 (분기 처리) */
.works-grid.mode-projects .thumb-wrapper {
    aspect-ratio: 4 / 3;
}

.thumb-img {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.work-item:hover .thumb-img { transform: scale(1.05); }

.reveal-curtain {
    position: absolute;
    background-color: var(--text-color); 
    z-index: 10;
}

.work-meta { text-align: left; }
.work-cat {
    font-size: 13px; font-weight: 500; color: var(--text-sub);
    margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.02em;
}
.work-title {
    font-size: 1.25rem; font-weight: 600; color: var(--text-color);
    margin: 0; line-height: 1.3;
}

/* =========================================
   FLOATING DOCK
   ========================================= */
.floating-dock {
    position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; align-items: center; justify-content: center;
    padding: 8px; gap: 0px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-radius: 999px;
    z-index: 100;
    transition: background 0.5s ease, border-color 0.5s ease;
}

.dark-mode .floating-dock {
    background: rgba(20, 20, 20, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.dock-pill {
    position: absolute; top: 6px; bottom: 6px; left: 6px; width: 0;
    background-color: #000; border-radius: 999px; z-index: 1;
}
.dark-mode .dock-pill { background-color: #fff; }

.dock-btn {
    position: relative; z-index: 2;
    display: flex; align-items: center; gap: 8px;
    padding: 10px 24px; border-radius: 999px; border: none; background: none;
    font-size: 0.95rem; font-weight: 600; color: var(--text-sub);
    cursor: pointer;
    transition: color 0.3s ease; white-space: nowrap;
}

.dock-btn.active { color: #fff; }
.dark-mode .dock-btn.active { color: #000; }

.dock-icon {
    width: 18px; height: 18px; display: block;
    transition: filter 0.3s ease, opacity 0.3s ease; opacity: 0.6;
}

.dock-btn.active .dock-icon { filter: invert(1); opacity: 1; }
.dark-mode .dock-icon { filter: invert(1); }
.dark-mode .dock-btn.active .dock-icon { filter: invert(0); opacity: 1; }

/* =========================================================
   DESIGN SYSTEM TOKENS  — 변수 정의는 tokens.css 로 이동.
   아래 .text-* 유틸리티는 그대로 유지하며, tokens.css 의
   var(--fs-*) / var(--gray-*) 를 참조한다.
   ========================================================= */

/* --- Typography utilities --- */
.text-display, .text-h1, .text-h2, .text-h3 {
    color: var(--text-color);
    word-break: keep-all;          /* 한글 단어 단위 줄바꿈 */
}
.text-display {
    font-size: var(--fs-display);
    font-weight: 600; letter-spacing: -0.02em; line-height: 1.05;
}
.text-h1 {
    font-size: var(--fs-h1);
    font-weight: 600; letter-spacing: -0.015em; line-height: 1.1;
}
.text-h2 {
    font-size: var(--fs-h2);
    font-weight: 600; letter-spacing: -0.01em; line-height: 1.3;
}
.text-h3 {
    font-size: var(--fs-h3);
    font-weight: 600; line-height: 1.4;
}
.text-body {
    font-size: var(--fs-body);
    font-weight: 400; line-height: 1.7; color: var(--text-color);
}
.text-caption {
    font-size: var(--fs-caption);
    font-weight: 400; line-height: 1.5; color: var(--label-color);
}

/* 한글 줄간격 보강 (제목이 답답하지 않게) — 전 페이지 html lang="ko"라 기본 적용,
   좁은 라틴 줄간격이 필요하면 해당 요소에 lang="en" 지정 */
.text-display:lang(ko) { line-height: 1.2; }
.text-h1:lang(ko)      { line-height: 1.25; }