/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-tertiary: #9B9B9B;
  --color-accent: #2D2D2D;
  --color-border: #E8E8E4;
  --color-border-light: #F0F0EC;
  --color-hover: #F5F5F2;
  --color-tag-bg: #F0F0EC;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Newsreader', Georgia, serif;
  --max-width: 680px;
  --max-width-wide: 1080px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: -0.01em;
}

::selection {
  background: var(--color-text);
  color: var(--color-bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ========== NAV ========== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition);
}

nav .nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .nav-logo {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

nav .nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav .nav-links a {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  font-weight: 400;
  letter-spacing: 0.01em;
}

nav .nav-links a:hover { color: var(--color-text); }

/* ========== SECTIONS ========== */
section { padding: 0 2rem; }
.container { max-width: var(--max-width); margin: 0 auto; }
.container-wide { max-width: var(--max-width-wide); margin: 0 auto; }

/* ========== HERO ========== */
.hero { padding-top: 140px; padding-bottom: 80px; }

.hero-greeting {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.hero h1 em { font-style: italic; font-weight: 300; }

.hero-bio {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 540px;
}

.hero-bio a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
}

.hero-bio a:hover { text-decoration-color: var(--color-text); }

.hero-meta {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-light);
}

.hero-meta-item { font-size: 0.8rem; color: var(--color-text-tertiary); }

.hero-meta-item span {
  display: block;
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 0.15rem;
  font-size: 0.85rem;
}

/* ========== SECTION HEADERS ========== */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.section-link {
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
  transition: color var(--transition);
}

.section-link:hover { color: var(--color-text); }
.section-link::after { content: ' →'; }

/* ========== WRITING / POST LIST ========== */
.writing { padding-top: 60px; padding-bottom: 80px; }
.post-list { list-style: none; }
.post-item { border-bottom: 1px solid var(--color-border-light); }
.post-item:last-child { border-bottom: none; }

.post-link {
  display: block;
  padding: 1.5rem 0;
  transition: var(--transition);
}

.post-link:hover { padding-left: 0.5rem; }
.post-link:hover .post-title { color: var(--color-text); }

.post-date {
  font-size: 0.78rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.4rem;
  font-variant-numeric: tabular-nums;
}

.post-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
  transition: color var(--transition);
  line-height: 1.35;
}

.post-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 560px;
}

.post-tags { display: flex; gap: 0.5rem; margin-top: 0.6rem; }

.post-tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  background: var(--color-tag-bg);
  border-radius: 100px;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* ========== PHOTOGRAPHY ========== */
.photography { padding-top: 60px; padding-bottom: 80px; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  border-radius: 8px;
  overflow: hidden;
}

.photo-item {
  aspect-ratio: 1;
  background: var(--color-border-light);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  background: linear-gradient(135deg, var(--color-border-light) 0%, var(--color-border) 100%);
}

.photo-caption {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  font-style: italic;
  font-family: var(--font-serif);
}

/* ========== WORK ========== */
.work { padding-top: 60px; padding-bottom: 80px; }
.work-list { display: flex; flex-direction: column; gap: 1px; }

.work-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.work-item:hover { padding-left: 0.5rem; }
.work-item:last-child { border-bottom: none; }

.work-name {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  letter-spacing: -0.01em;
}

.work-role { font-size: 0.85rem; color: var(--color-text-secondary); }

.work-year {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  margin-left: 2rem;
  padding-top: 0.15rem;
}

/* ========== CONTACT / FOOTER ========== */
.contact { padding-top: 60px; padding-bottom: 100px; }

.contact-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 2rem;
  max-width: 480px;
  font-weight: 400;
}

.contact-text em { font-style: italic; font-weight: 300; }
.contact-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }

.contact-link {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding-bottom: 1px;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

footer {
  padding: 2rem;
  border-top: 1px solid var(--color-border-light);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

/* ========== BLOG POST PAGE ========== */
.post-page { padding-top: 120px; padding-bottom: 100px; }

.post-page-back {
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
  margin-bottom: 2.5rem;
  display: inline-block;
  transition: color var(--transition);
}

.post-page-back:hover { color: var(--color-text); }
.post-page-back::before { content: '← '; }

.post-page-date {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.75rem;
}

.post-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.post-page-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  max-width: 580px;
}

.post-page-body {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.post-page-body p { margin-bottom: 1.5rem; }

.post-page-body h2 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
}

.post-page-body blockquote {
  border-left: 2px solid var(--color-border);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

/* ========== FADE IN ANIMATIONS ========== */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.08s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.16s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.24s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.32s; }
.stagger.visible > *:nth-child(7) { transition-delay: 0.4s; }

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ========== DIVIDER ========== */
.divider {
  max-width: var(--max-width);
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--color-border-light);
}

/* ========== MOBILE ========== */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

.mobile-menu-btn svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  section { padding-left: 1.25rem; padding-right: 1.25rem; }
  nav .nav-inner { padding: 0 1.25rem; }
  .hero { padding-top: 110px; padding-bottom: 60px; }
  .hero h1 { font-size: 2rem; }
  .hero-meta { flex-direction: column; gap: 1rem; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .mobile-menu-btn { display: block; }

  nav .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem 2rem 1.5rem;
    gap: 0.8rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  nav .nav-links.open { display: flex; }
  .work-item { flex-direction: column; gap: 0.25rem; }
  .work-year { margin-left: 0; }
}