@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

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

:root {
  --bg:      #080808;
  --surface: #0f0f0f;
  --white:   #ede9e3;
  --gray:    #5a5a5a;
  --muted:   #2e2e2e;
  --orange:  #ff5500;
  --border:  rgba(255,255,255,0.07);
  --ease:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Pretendard', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.accent { color: var(--orange); }

/* ── Nav ── */
#nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 52px;
  height: 60px;
  transition: background 0.5s var(--ease), border-color 0.5s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(8,8,8,0.94);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-logo {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.nav-links {
  display: flex;
  gap: 44px;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-transform: uppercase;
  transition: color 0.25s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-toggle { display: none; }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
}
.lang-btn {
  background: none;
  border: none;
  font-family: 'Pretendard', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 92, 0, 0.4);
  cursor: pointer;
  padding: 3px 0;
  transition: color 0.2s;
  line-height: 1;
}
.lang-btn:hover { color: var(--orange); }
.lang-btn.active { color: var(--orange); }
.lang-sep {
  font-size: 0.6rem;
  color: var(--muted);
  line-height: 1;
}

/* ── Section base ── */
.section-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 128px 52px;
}

.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 64px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-label::after {
  content: '';
  flex: 0 0 32px;
  height: 1px;
  background: var(--orange);
  opacity: 0.4;
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 52px;
  padding-top: 60px;
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
}

.hero-name {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 0.15s forwards;
}

.hero-title {
  font-family: 'Bungee', sans-serif;
  font-size: clamp(3.2rem, 9vw, 9rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  margin-bottom: 36px;
}
.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(32px);
  animation: fadeUp 1s var(--ease) 0.3s forwards;
}

.hero-sub {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(1.32rem, 2.25vw, 1.58rem);
  font-weight: 400;
  color: #909090;
  letter-spacing: 0.04em;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.55s forwards;
}

.hero-services {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  margin-top: 18px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.68s forwards;
}

.hero-desc {
  font-size: 0.82rem;
  font-weight: 300;
  color: #9a9a9a;
  line-height: 2.15;
  letter-spacing: 0.01em;
  margin-top: 36px;
  max-width: 480px;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.85s forwards;
}

.hero-line {
  position: absolute;
  bottom: 0;
  right: 52px;
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, var(--orange) 0%, transparent 100%);
  opacity: 0;
  animation: fadeIn 1s var(--ease) 1.3s forwards;
}

/* ── About ── */
#about {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: start;
}

.about-name {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 8px;
}

.about-tagline {
  font-size: 0.77rem;
  font-weight: 500;
  color: var(--gray);
  letter-spacing: 0.05em;
  line-height: 1.6;
  margin-bottom: 36px;
}

.about-key {
  margin-top: 36px;
  padding: 18px 22px;
  border-left: 2px solid rgba(255,85,0,0.5);
  background: rgba(255,85,0,0.03);
  font-size: 1.1rem;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: rgba(237, 233, 227, 0.88);
  line-height: 1.75;
}

.about-body {
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1.85;
  margin-bottom: 20px;
}
.about-body.muted {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--gray);
  margin-top: 8px;
}

/* Brand list */
.brand-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 44px;
}
.brand-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.brand-item:first-child { border-top: 1px solid var(--border); }

.brand-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
}

/* Icon link buttons (shared by brand-list and venture cards) */
.venture-links {
  display: flex;
  gap: 5px;
  align-items: center;
}
.venture-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  color: var(--gray);
  border: 1px solid var(--border);
  border-radius: 3px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.venture-link:hover {
  color: var(--orange);
  border-color: rgba(255,85,0,0.35);
  background: rgba(255,85,0,0.06);
}

/* Education */
.about-edu {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 4px;
}
.edu-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.edu-tag {
  flex-shrink: 0;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
  background: rgba(255,85,0,0.08);
  border: 1px solid rgba(255,85,0,0.2);
  padding: 3px 6px;
  border-radius: 2px;
  margin-top: 1px;
}
.edu-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.edu-school {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
}
.edu-degree {
  font-size: 0.76rem;
  color: var(--gray);
  line-height: 1.4;
}
.edu-location {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ── Works ── */
#works {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.works-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0;
}
.works-header .section-label { margin-bottom: 0; }

.filter-bar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--gray);
  font-family: 'Pretendard', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 7px 16px;
  cursor: pointer;
  border-radius: 1px;
  transition: all 0.2s var(--ease);
}
.filter-btn:hover { color: var(--white); border-color: rgba(255,255,255,0.18); }
.filter-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--bg);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 8px;
  grid-auto-flow: dense;
  gap: 4px;
  margin-top: 48px;
  align-items: start;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: #0d0d0d;
  user-select: none;
}

.gallery-item::after {
  content: '© sèsèsè.Lab';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.32);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.82);
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.32s var(--ease);
  pointer-events: none;
  z-index: 3;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item.landscape,
.gallery-item.featured {
  grid-column: span 2;
}

.gallery-item.hidden { display: none; }
.gallery-item.fade-out {
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.28s, transform 0.28s;
}
.gallery-item.fade-in {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #131313;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.6s var(--ease);
}
.gallery-thumb.landscape { aspect-ratio: 16 / 9; }
.gallery-thumb.tall      { aspect-ratio: 2 / 3; }

.gallery-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 36px 36px;
}
.gallery-item:hover .gallery-thumb { transform: scale(1.04); }

/* Real images */
.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease);
  -webkit-user-drag: none;
  user-select: none;
}
.gallery-item:hover img { transform: scale(1.04); }

.ph-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, transparent 52%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gal-cat {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 5px;
}
.gal-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.35;
}

/* ── Contact ── */
#contact {
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.contact-inner { padding-bottom: 140px; }

.contact-headline {
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.045em;
  margin-bottom: 80px;
}

.contact-block {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.contact-group {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: start;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.3s var(--ease);
}
.contact-group:hover { padding-left: 6px; }

.contact-key {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  padding-top: 2px;
}
.contact-val {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
}
.contact-insta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.insta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  transition: color 0.2s;
}
.insta-link:hover { color: var(--orange); }
.insta-link .ext { font-size: 0.8rem; color: var(--orange); opacity: 0.55; }

.contact-email {
  display: inline-block;
  font-weight: 600;
  transition: color 0.2s;
}
.contact-email:hover { color: var(--orange); }

/* ── Footer ── */
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 52px;
  border-top: 1px solid var(--border);
}
.footer-brand {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}
.footer-copy {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ── Back to top ── */
.top-btn-row {
  display: flex;
  justify-content: center;
  padding: 44px 0;
  background: var(--surface);
}

#top-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid rgba(255, 85, 0, 0.45);
  border-radius: 2px;
  color: var(--orange);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
#top-btn:hover {
  background: rgba(255, 85, 0, 0.1);
  border-color: var(--orange);
}

/* ── Lightbox ── */
.lb {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.lb.open {
  opacity: 1;
  pointer-events: all;
}

.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,5,5,0.96);
  cursor: zoom-out;
}

.lb-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(88vw, 960px);
  max-height: 92vh;
}

.lb-img {
  display: block;
  max-width: 100%;
  -webkit-user-drag: none;
  user-select: none;
  max-height: 80vh;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.lb-img.loaded { opacity: 1; }

.lb-caption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  width: 100%;
  justify-content: center;
}
.lb-cat {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--orange);
  text-transform: uppercase;
}
.lb-title {
  font-size: 0.82rem;
  font-weight: 500;
  color: #888;
}
.lb-count {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-left: auto;
}

.lb-close,
.lb-prev,
.lb-next {
  position: absolute;
  z-index: 2;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.lb-close:hover,
.lb-prev:hover,
.lb-next:hover {
  background: rgba(255,85,0,0.12);
  border-color: rgba(255,85,0,0.4);
  color: var(--orange);
}

.lb-close {
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
}
.lb-prev,
.lb-next {
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
}
.lb-prev { left: 16px; }
.lb-next { right: 16px; }

.lb-prev[hidden],
.lb-next[hidden] { display: none; }

@media (max-width: 640px) {
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-prev, .lb-next { width: 36px; height: 36px; }
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 960px) {
  #nav { padding: 0 28px; }
  .section-inner { padding: 88px 28px; }
  #hero { padding: 0 28px; padding-top: 60px; }
  .hero-line { right: 28px; }

  .about-layout { grid-template-columns: 1fr; gap: 52px; }

  .works-header { flex-direction: column; gap: 28px; }
  .filter-bar { justify-content: flex-start; }

  footer { padding: 20px 28px; }
}

@media (max-width: 640px) {
  .lang-btn { font-size: 0.65rem; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 60px 0 0 0;
    background: var(--bg);
    justify-content: center;
    align-items: center;
    gap: 40px;
    z-index: 99;
  }
  .nav-links.open a { font-size: 1.1rem; color: var(--white); }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
  }
  .nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--white);
    transition: all 0.3s;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { transform: translateY(-6.5px) rotate(-45deg); }


  .contact-group { grid-template-columns: 1fr; gap: 8px; }

  footer { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.landscape { grid-column: span 1; }
}