/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:           #080808;
  --surface:      #0f0f0f;
  --border:       rgba(255, 255, 255, 0.06);
  --text:         #e2e0da;
  --text-mid:     #888880;
  --text-dim:     #444440;
  --accent-glow:  rgba(160, 140, 255, 0.07);
  --accent-glow2: rgba(80, 160, 220, 0.05);
  --font-main:    'Space Grotesk', sans-serif;
  --font-mono:    'Space Mono', monospace;
}

html {
  scroll-behavior: smooth;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img, video {
  display: block;
  max-width: 100%;
}

/* ─── Ambient Light ─────────────────────────────────────────── */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.8s ease;
  overflow: hidden;
}

.ambient::before,
.ambient::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.ambient::before {
  width: 75%;
  height: 70%;
  top: -15%;
  left: -10%;
  background: radial-gradient(ellipse at center, rgba(130, 110, 230, 0.11) 0%, transparent 70%);
  animation: blob1 55s ease-in-out infinite alternate;
}

.ambient::after {
  width: 60%;
  height: 65%;
  bottom: -15%;
  right: -10%;
  background: radial-gradient(ellipse at center, rgba(70, 150, 210, 0.08) 0%, transparent 70%);
  animation: blob2 70s ease-in-out infinite alternate;
}

@keyframes blob1 {
  0%   { transform: translate(0%, 0%); }
  25%  { transform: translate(22%, 18%); }
  50%  { transform: translate(38%, 8%); }
  75%  { transform: translate(18%, 30%); }
  100% { transform: translate(8%, 40%); }
}

@keyframes blob2 {
  0%   { transform: translate(0%, 0%); }
  25%  { transform: translate(-18%, -22%); }
  50%  { transform: translate(-35%, -8%); }
  75%  { transform: translate(-12%, -35%); }
  100% { transform: translate(-28%, -12%); }
}

/* ─── Work Background (hover reveal) ────────────────────────── */
.work-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.work-bg-img {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-size: cover;
  background-position: center;
}

.work-bg-img.visible {
  opacity: 1;
}

.work-bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.62);
}

/* ─── Navigation ─────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.8rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

.nav-name {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color 0.3s ease;
}

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

nav ul {
  list-style: none;
  display: flex;
  gap: 2.2rem;
}

nav ul a {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color 0.3s ease;
  position: relative;
}

nav ul a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text-mid);
  transition: width 0.3s ease;
}

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

nav ul a:hover::after {
  width: 100%;
}

nav ul a.active {
  color: var(--text);
}

nav ul a.active::after {
  width: 100%;
  background: var(--text);
}

/* ─── Home Video Background ──────────────────────────────────── */
.home-video-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.home-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.home-video.loaded {
  opacity: 1;
}

.home-video-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(8, 8, 8, 0.92) 0%,
      rgba(8, 8, 8, 0.70) 15%,
      rgba(8, 8, 8, 0.30) 40%,
      rgba(8, 8, 8, 0.30) 60%,
      rgba(8, 8, 8, 0.70) 85%,
      rgba(8, 8, 8, 0.92) 100%
    );
}

/* ─── Home ───────────────────────────────────────────────────── */
.home {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.home-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1.2s ease forwards 0.3s;
}

.home h1 {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
}

.home-tagline {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-mid);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Footer ─────────────────────────────────────────────────── */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 2.5rem;
  display: flex;
  justify-content: flex-start;
  z-index: 100;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* ─── Page Layout (Work, Writings, About) ─────────────────────── */
.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 8rem 2.5rem 6rem;
  max-width: 960px;
  margin: 0 auto;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 0.1s;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.page-header {
  margin-bottom: 4rem;
}

.page-title {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── Work List ──────────────────────────────────────────────── */
.work-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}

.work-item {
  display: grid;
  grid-template-columns: 5rem 1fr auto;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1.5rem;
  cursor: pointer;
  transition: opacity 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.work-item:hover {
  opacity: 0.6;
}

.work-year {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.work-title {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text);
  letter-spacing: 0.02em;
}

.work-medium {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: right;
}

/* ─── Work Detail ────────────────────────────────────────────── */
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 3rem;
  transition: color 0.2s ease;
}

.detail-back:hover {
  color: var(--text);
}

.detail-back::before {
  content: '←';
  font-size: 0.9rem;
}

.detail-media {
  width: 100%;
  margin-bottom: 3rem;
}

.detail-media img {
  width: 100%;
  height: auto;
  display: block;
}

.detail-media video {
  width: 100%;
  height: auto;
  display: block;
}

.detail-media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.detail-media-grid img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem 2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.detail-meta-item label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}

.detail-meta-item span {
  font-size: 0.9rem;
  color: var(--text);
}

.detail-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.detail-description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-mid);
  max-width: 640px;
}

.detail-description p + p {
  margin-top: 1em;
}

/* ─── Writings ───────────────────────────────────────────────── */
.writings-filters {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.writings-filters-lang {
  margin-bottom: 3rem;
}

.filter-lang-btn {
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
  position: relative;
}

.filter-lang-btn::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text-mid);
  transition: width 0.2s ease;
}

.filter-lang-btn.active {
  color: var(--text-mid);
}

.filter-lang-btn.active::after {
  width: 100%;
}

.filter-lang-btn:hover {
  color: var(--text-mid);
}

.filter-btn {
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
  position: relative;
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.2s ease;
}

.filter-btn.active {
  color: var(--text);
}

.filter-btn.active::after {
  width: 100%;
}

.filter-btn:hover {
  color: var(--text);
}

.writings-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}

.writing-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 5rem 1fr auto;
  gap: 1.5rem;
  align-items: start;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.writing-item:hover {
  opacity: 0.6;
}

.writing-item[data-hidden="true"] {
  display: none;
}

.writing-year {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  padding-top: 0.15rem;
}

.writing-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.writing-title {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text);
}

.writing-excerpt {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.writing-tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  white-space: nowrap;
  align-self: start;
}

/* ─── Writing Detail ─────────────────────────────────────────── */
.writing-detail-header {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.writing-detail-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  margin-bottom: 1rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.writing-detail-meta {
  display: flex;
  gap: 2rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.writing-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-mid);
  max-width: 660px;
}

.writing-body p + p {
  margin-top: 1.2em;
}

.pdf-viewer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 2rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mid);
  border: 1px solid var(--border);
  padding: 0.7rem 1.2rem;
  transition: all 0.2s ease;
}

.pdf-viewer-link:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.15);
}

.pdf-viewer-link::before {
  content: '↓';
}

/* ─── About ──────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.about-image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(20%);
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--surface);
  border: 1px solid var(--border);
}

.about-text {
  padding-top: 0.5rem;
}

.about-bio {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-mid);
  margin-bottom: 3rem;
}

.about-bio p + p {
  margin-top: 1.1em;
}

.about-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.about-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease;
}

.about-link:hover {
  color: var(--text);
}

.about-link::after {
  content: '↗';
  font-size: 0.8rem;
}

.about-section {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.about-section-title {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 300;
  margin-bottom: 2rem;
}

.about-cv-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-cv-list li {
  border-bottom: 1px solid var(--border);
}

.about-cv-item {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.about-cv-item:hover {
  opacity: 0.6;
}

.about-cv-date {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  padding-top: 0.1rem;
  white-space: nowrap;
}

.about-cv-text {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ─── Work Materials ─────────────────────────────────────────── */
.work-materials {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  max-width: 640px;
}

.work-materials-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 300;
  margin-bottom: 0.75rem;
}

.work-materials-text {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ─── Lightbox ───────────────────────────────────────────────── */
#lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(8, 8, 8, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: zoom-out;
}

#lightbox-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 1.8rem;
  right: 2.5rem;
  background: none;
  border: none;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.2s ease;
  padding: 0;
  font-family: var(--font-main);
}

.lightbox-close:hover {
  color: var(--text);
}

.lightbox-trigger {
  cursor: zoom-in;
}

/* ─── Loading / Error state ──────────────────────────────────── */
.loading {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 3rem 0;
}

.not-found {
  font-size: 0.9rem;
  color: var(--text-dim);
  padding: 3rem 0;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 680px) {
  nav {
    padding: 1.4rem 1.5rem;
  }

  .page {
    padding: 7rem 1.5rem 5rem;
  }

  footer {
    padding: 1.2rem 1.5rem;
  }

  .work-item {
    grid-template-columns: 4rem 1fr;
  }

  .work-medium {
    display: none;
  }

  .writing-item {
    grid-template-columns: 4rem 1fr;
  }

  .writing-tag {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image img,
  .about-image-placeholder {
    aspect-ratio: 4/3;
  }

  .detail-media-grid {
    grid-template-columns: 1fr;
  }
}