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

:root {
  --black: #0d0d0d;
  --white: #ffffff;
  --gray: #1a1a1a;
  --gold: #c8a961;
  --transition: all 0.4s ease;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--white);
  background: var(--black);
  overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background: var(--black);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 60px;
  display: flex;
  align-items: center;
  position: relative; /* 기준점 */
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--white);
}

/* ✅ 메뉴 중앙 고정 */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-menu a {
  text-decoration: none;
  color: var(--white);
  font-size: 0.95rem;
  transition: var(--transition);
}
.nav-menu a:hover { color: var(--gold); }

/* ✅ 오른쪽 고정 (왼쪽으로 안 밀리게 수정) */
.nav-right {
  position: absolute;
  right: 60px; /* 화면 오른쪽 여백 동일하게 */
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav-btn {
  text-decoration: none;
  color: var(--white);
  border: 1px solid var(--white);
  padding: 8px 18px;
  transition: var(--transition);
}
.nav-btn:hover { background: var(--gold); color: var(--black); }

.language-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}
.language-switch button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-family: inherit;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.language-switch button:hover { color: var(--gold); }
.language-switch button.active { color: var(--gold); font-weight: 600; }

/* ✅ 반응형 (모바일에서는 좌우 정렬로 돌아감) */
@media (max-width: 900px) {
  .nav-menu {
    position: static;
    transform: none;
    justify-content: center;
  }
  .nav-right {
    position: static;
    transform: none;
  }
}

/* ===== HERO ===== */
.project-hero {
  padding: 160px 60px 80px;
  text-align: center;
  background: var(--black);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.project-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  margin-bottom: 15px;
}

.project-hero p {
  color: #aaa;
  font-size: 1.05rem;
}

/* ===== PROJECT LAYOUT ===== */
.project-section {
  display: flex;
  gap: 60px;
  padding: 80px 60px;
}

/* Sidebar filter */
.project-filter {
  flex: 0.3;
  min-width: 200px;
  border-right: 1px solid rgba(255,255,255,0.1);
  padding-right: 30px;
}

.project-filter h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 20px;
}

.project-filter ul {
  list-style: none;
}

.project-filter li {
  margin-bottom: 15px;
  color: #ccc;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.project-filter li:hover,
.project-filter li.active {
  color: var(--gold);
}

/* Project Grid */
.project-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

/* Card */
.project-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: scale(1.02);
}

.project-image {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
}

.project-image img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  top: 0;
  left: 0;
  transition: opacity 0.6s ease;
}

.project-image .hover-img {
  opacity: 0;
}

.project-card:hover .hover-img {
  opacity: 1;
}

.project-card:hover .default-img {
  opacity: 0;
}

/* Info */
.project-info {
  margin-top: 20px;
}

.project-info h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 8px;
}

.project-info p {
  color: var(--gold);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.project-info span {
  color: #aaa;
  font-size: 0.85rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #777;
  font-size: 0.9rem;
}