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

body {
  font-family: 'Pretendard', sans-serif;
  background: #0d0d0d;
  color: #f0ede6;
  min-height: 100vh;
}

/* ── Navigation ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 4rem;
  border-bottom: 0.5px solid rgba(240, 237, 230, 0.12);
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: rgba(240, 237, 230, 0.6);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #f0ede6;
}

.nav-tag {
  font-size: 0.75rem;
  background: rgba(240, 237, 230, 0.08);
  border: 0.5px solid rgba(240, 237, 230, 0.15);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  color: rgba(240, 237, 230, 0.5);
  cursor: pointer;
}

/* ── Hero ── */
.hero {
  padding: 6rem 4rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  border-bottom: 0.5px solid rgba(240, 237, 230, 0.08);
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #9b7fe8;
  margin-bottom: 1.2rem;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: #9b7fe8;
}

.hero-desc {
  color: rgba(240, 237, 230, 0.55);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 38ch;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
}

.btn-primary {
  background: #9b7fe8;
  color: #ffffff;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: opacity 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-secondary {
  background: transparent;
  color: #f0ede6;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.05em;
  border: 0.5px solid rgba(240, 237, 230, 0.25);
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-secondary:hover {
  border-color: rgba(240, 237, 230, 0.5);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #9b7fe8;
}

.stat-label {
  font-size: 0.78rem;
  color: rgba(240, 237, 230, 0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ── Hero Visual ── */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.featured-card {
  background: rgba(240, 237, 230, 0.04);
  border: 0.5px solid rgba(240, 237, 230, 0.1);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #9b7fe8, transparent);
}

.card-tag {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9b7fe8;
  margin-bottom: 1rem;
}

.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.card-excerpt {
  font-size: 0.85rem;
  color: rgba(240, 237, 230, 0.5);
  line-height: 1.7;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #9b7fe8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #ffffff;
  font-weight: 500;
}

.card-date {
  font-size: 0.75rem;
  color: rgba(240, 237, 230, 0.35);
}

.mini-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.mini-card {
  background: rgba(240, 237, 230, 0.03);
  border: 0.5px solid rgba(240, 237, 230, 0.08);
  border-radius: 8px;
  padding: 1rem;
}

.mini-tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240, 237, 230, 0.35);
  margin-bottom: 0.5rem;
}

.mini-title {
  font-size: 0.85rem;
  line-height: 1.4;
  color: rgba(240, 237, 230, 0.8);
}

/* ── Posts Section ── */
.section {
  padding: 4rem;
  border-bottom: 0.5px solid rgba(240, 237, 230, 0.08);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
}

.section-link {
  font-size: 0.8rem;
  color: #9b7fe8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.post-card {
  border: 0.5px solid rgba(240, 237, 230, 0.08);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}

.post-card:hover {
  border-color: rgba(155, 127, 232, 0.3);
  background: rgba(155, 127, 232, 0.03);
}

.post-category {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9b7fe8;
  margin-bottom: 0.75rem;
}

.post-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  line-height: 1.45;
  margin-bottom: 0.75rem;
}

.post-excerpt {
  font-size: 0.82rem;
  color: rgba(240, 237, 230, 0.45);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.post-date,
.read-time {
  font-size: 0.72rem;
  color: rgba(240, 237, 230, 0.3);
}

/* ── About Section ── */
.about-section {
  padding: 4rem;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: center;
  border-bottom: 0.5px solid rgba(240, 237, 230, 0.08);
}

.about-photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  background: rgba(155, 127, 232, 0.08);
  border: 0.5px solid rgba(155, 127, 232, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-placeholder {
  font-family: 'Playfair Display', serif;
  font-size: 4rem;
  color: rgba(155, 127, 232, 0.3);
}

.about-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #9b7fe8;
  margin-bottom: 1rem;
}

.about-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.about-desc {
  color: rgba(240, 237, 230, 0.55);
  font-size: 0.95rem;
  line-height: 1.9;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.skill-tag {
  font-size: 0.75rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 0.5px solid rgba(240, 237, 230, 0.15);
  color: rgba(240, 237, 230, 0.6);
  letter-spacing: 0.05em;
}

/* ── Footer ── */
footer {
  padding: 2.5rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
}

.footer-text {
  font-size: 0.78rem;
  color: rgba(240, 237, 230, 0.3);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.78rem;
  color: rgba(240, 237, 230, 0.4);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #f0ede6;
}

.nav-btn-login {
  font-size: 0.8rem;
  color: rgba(240, 237, 230, 0.6);
  text-decoration: none;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  border: 0.5px solid rgba(240, 237, 230, 0.15);
  transition: color 0.2s, border-color 0.2s;
}

.nav-btn-login:hover {
  color: #f0ede6;
  border-color: rgba(240, 237, 230, 0.35);
}

.nav-btn-register {
  font-size: 0.8rem;
  color: #ffffff;
  text-decoration: none;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  background: #9b7fe8;
  transition: opacity 0.2s;
}

.nav-btn-register:hover {
  opacity: 0.85;
}

.nav-btn-admin {
  font-size: 0.8rem;
  color: #ffffff;
  text-decoration: none;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  background: #9b7fe8;
  transition: opacity 0.2s;
}

.nav-btn-admin:hover {
  opacity: 0.85;
}

.nav-btn-logout {
  font-size: 0.8rem;
  color: rgba(240, 237, 230, 0.5);
  background: none;
  border: 0.5px solid rgba(240, 237, 230, 0.15);
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Pretendard', sans-serif;
  transition: color 0.2s;
}

.nav-btn-logout:hover {
  color: #f0ede6;
}

/* ── Hamburger ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #f0ede6;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  background: rgba(13, 13, 13, 0.97);
  border-bottom: 0.5px solid rgba(240, 237, 230, 0.1);
  padding: 1.5rem 2rem 2rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu ul {
  list-style: none;
  width: 100%;
}

.mobile-menu ul li {
  border-bottom: 0.5px solid rgba(240, 237, 230, 0.07);
}

.mobile-menu ul li a {
  display: block;
  padding: 0.9rem 0;
  color: rgba(240, 237, 230, 0.75);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.mobile-menu ul li a:hover {
  color: #f0ede6;
}

/* ── Tablet (768px – 1024px) ── */
@media (max-width: 1024px) and (min-width: 769px) {
  nav {
    padding: 1.3rem 2.5rem;
  }

  .hero {
    padding: 4rem 2.5rem 3rem;
    gap: 2.5rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-stats {
    gap: 2rem;
  }

  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .about-section {
    padding: 3.5rem 2.5rem;
    gap: 2.5rem;
  }

  .section {
    padding: 3.5rem 2.5rem;
  }

  footer {
    padding: 2rem 2.5rem;
  }
}

/* ── Mobile (≤768px) ── */
@media (max-width: 768px) {
  nav {
    padding: 1.1rem 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .nav-tag {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.25rem 2rem;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-desc {
    font-size: 0.93rem;
    max-width: 100%;
  }

  .hero-cta {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-primary,
  .btn-secondary {
    text-align: center;
    width: 100%;
    padding: 0.85rem 1rem;
  }

  .hero-stats {
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .mini-cards {
    grid-template-columns: 1fr;
  }

  .posts-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .section {
    padding: 2.5rem 1.25rem;
  }

  .about-section {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.25rem;
    gap: 2rem;
  }

  .about-photo {
    aspect-ratio: 4 / 3;
    max-height: 260px;
  }

  .about-title {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding: 1.75rem 1.25rem;
  }

  .footer-links {
    justify-content: center;
  }

  .logo-img {
    height: 28px;
  }
}

/* ── 라이트/다크 테마 ── */
:root {
  --bg: #0d0d0d;
  --bg2: rgba(240,237,230,0.04);
  --text: #f0ede6;
  --text-muted: rgba(240,237,230,0.55);
  --text-faint: rgba(240,237,230,0.35);
  --border: rgba(240,237,230,0.1);
  --accent: #9b7fe8;
  --accent-rgb: 155,127,232;
  --nav-bg: rgba(13,13,13,0.92);
  --slide-overlay: rgba(13,13,13,0.55);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8f7f4;
    --bg2: rgba(30,20,60,0.04);
    --text: #1a1a2e;
    --text-muted: rgba(30,20,60,0.6);
    --text-faint: rgba(30,20,60,0.4);
    --border: rgba(30,20,60,0.1);
    --accent: #7b5fd4;
    --accent-rgb: 123,95,212;
    --nav-bg: rgba(248,247,244,0.92);
    --slide-overlay: rgba(248,247,244,0.45);
  }

  body { background: var(--bg); color: var(--text); }
  nav { background: var(--nav-bg); border-bottom-color: var(--border); }
  .mobile-menu { background: rgba(248,247,244,0.97); border-bottom-color: var(--border); }
  .mobile-menu ul li { border-bottom-color: var(--border); }
  .mobile-menu ul li a { color: rgba(30,20,60,0.7); }
  .nav-links a { color: rgba(30,20,60,0.6); }
  .nav-links a:hover { color: var(--text); }
  .nav-tag { color: rgba(30,20,60,0.5); border-color: var(--border); background: rgba(30,20,60,0.05); }
  .nav-btn-login { color: rgba(30,20,60,0.6); border-color: var(--border); }
  .nav-btn-login:hover { color: var(--text); }
  .nav-btn-logout { color: rgba(30,20,60,0.5); border-color: var(--border); }
  .nav-btn-logout:hover { color: var(--text); }
  .hamburger span { background: var(--text); }
  .stats-bar { background: rgba(30,20,60,0.04); border-color: var(--border); }
  .stat-number { color: var(--accent); }
  .stat-label { color: var(--text-faint); }
  .stat-divider { background: var(--border); }
  .section { border-bottom-color: var(--border); }
  .section-link { color: var(--accent); }
  .post-card { border-color: var(--border); }
  .post-card:hover { border-color: rgba(var(--accent-rgb),0.3); background: rgba(var(--accent-rgb),0.04); }
  .post-category { color: var(--accent); }
  .post-excerpt { color: var(--text-muted); }
  .post-date, .read-time { color: var(--text-faint); }
  .about-section { border-bottom-color: var(--border); }
  .about-photo { background: rgba(var(--accent-rgb),0.07); border-color: rgba(var(--accent-rgb),0.2); }
  .about-eyebrow { color: var(--accent); }
  .about-desc { color: var(--text-muted); }
  .skill-tag { border-color: var(--border); color: var(--text-muted); }
  .featured-card { background: rgba(30,20,60,0.04); border-color: var(--border); }
  .card-tag { color: var(--accent); }
  .card-excerpt { color: var(--text-muted); }
  .card-date { color: var(--text-faint); }
  .mini-card { background: rgba(30,20,60,0.03); border-color: var(--border); }
  .mini-tag { color: var(--text-faint); }
  .mini-title { color: rgba(30,20,60,0.8); }
  .hero-eyebrow { color: var(--accent); }
  .hero-title em { color: var(--accent); }
  .hero-desc { color: var(--text-muted); }
  .stat-number { color: var(--accent); }
  footer { border-top: 0.5px solid var(--border); }
  .footer-text { color: var(--text-faint); }
  .footer-links a { color: var(--text-faint); }
  .footer-links a:hover { color: var(--text); }
  .btn-secondary { color: var(--text); border-color: rgba(30,20,60,0.25); }
  .slide-eyebrow { color: var(--accent); }
  .slide-title em { color: var(--accent); }
  .slide-desc { color: var(--text-muted); }
}

/* ── 슬라이드쇼 ── */
.slideshow {
  position: relative;
  width: 100%;
  height: 88vh;
  min-height: 500px;
  overflow: hidden;
}

.slides-container {
  display: flex;
  width: 400%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.77,0,0.18,1);
}

.slide {
  width: 25%;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}

.slide-1 { background: linear-gradient(135deg, #1a0a3c 0%, #0d0d1f 60%, #1a0530 100%); }
.slide-2 { background: linear-gradient(135deg, #0a1a2e 0%, #0d1520 60%, #1a0a3c 100%); }
.slide-3 { background: linear-gradient(135deg, #1a0a20 0%, #1a0530 60%, #0d0d0d 100%); }
.slide-4 { background: linear-gradient(135deg, #0a1a1a 0%, #0d1a2e 60%, #1a0a3c 100%); }

@media (prefers-color-scheme: light) {
  .slide-1 { background: linear-gradient(135deg, #ede8fb 0%, #f5f0ff 60%, #e8e0f8 100%); }
  .slide-2 { background: linear-gradient(135deg, #e8f0fb 0%, #f0f5ff 60%, #ede8fb 100%); }
  .slide-3 { background: linear-gradient(135deg, #fbe8f5 0%, #f8e8fb 60%, #f5f0ff 100%); }
  .slide-4 { background: linear-gradient(135deg, #e8fbf8 0%, #e8f0fb 60%, #ede8fb 100%); }
}

.slide-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 0;
}

.slide-content {
  padding: 0 6rem;
  max-width: 700px;
  animation: slideIn 0.7s ease forwards;
  position: relative;
  z-index: 1;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9b7fe8;
  margin-bottom: 1.2rem;
}

.slide-title {
  font-family: 'Playfair Display', serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.slide-title em {
  font-style: italic;
  color: #9b7fe8;
}

.slide-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 42ch;
  margin-bottom: 2.5rem;
}

.slide-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 인디케이터 */
.slide-indicators {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  z-index: 10;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(155,127,232,0.3);
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.indicator.active {
  background: #9b7fe8;
  width: 24px;
  border-radius: 4px;
}

/* 화살표 */
.slide-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(155,127,232,0.15);
  border: 0.5px solid rgba(155,127,232,0.3);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 10;
  line-height: 1;
}

.slide-arrow:hover { background: rgba(155,127,232,0.3); }
.slide-prev { left: 1.5rem; }
.slide-next { right: 1.5rem; }

/* ── 통계 바 ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 4rem;
  border-bottom: 0.5px solid var(--border);
  background: var(--bg2);
}

.stat-divider {
  width: 0.5px;
  height: 2rem;
  background: var(--border);
}

/* ── 반응형 슬라이드쇼 ── */
@media (max-width: 768px) {
  .slideshow { height: 70vh; min-height: 420px; }
  .slide-content { padding: 0 1.5rem; }
  .slide-title { font-size: 2.4rem; }
  .slide-desc { font-size: 0.9rem; }
  .slide-arrow { width: 36px; height: 36px; font-size: 1.2rem; }
  .slide-prev { left: 0.75rem; }
  .slide-next { right: 0.75rem; }
  .stats-bar { gap: 1.5rem; padding: 1.5rem 1.25rem; flex-wrap: wrap; }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .slide-content { padding: 0 3rem; }
  .slide-title { font-size: 3rem; }
}