/* ─── MUSA STUDIOS CO — Shared Styles ─── */

:root {
  --crimson:  #AF0000;
  --burgundy: #7A1C1C;
  --rust:     #D8510E;
  --cream:    #FFF8E9;
  --black:    #0A0606;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--cream);
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 64px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--black);
  border-bottom: 1px solid rgba(255,248,233,0.06);
}

.nav-logo { height: 36px; width: auto; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.nav-links a:hover { opacity: 1; }

/* ─── SECTION WRAPPER ─── */
.section {
  padding: 88px 48px;
  border-bottom: 1px solid rgba(255,248,233,0.06);
}

.section-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 56px;
  opacity: 1;
}

/* ─── FOOTER ─── */
.footer {
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo { height: 40px; opacity: 0.9; }

.footer-copy {
  font-size: 9px;
  color: var(--cream);
  opacity: 0.6;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ─── TOC ROWS ─── */
.toc { border-top: 1px solid rgba(255,248,233,0.06); }

.toc-row {
  display: flex;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,248,233,0.06);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.toc-row-bg {
  position: absolute;
  inset: 0;
  background: var(--crimson);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22,1,0.36,1), opacity 0.45s ease;
  z-index: 0;
}

.toc-row:hover .toc-row-bg {
  transform: scaleX(1);
  opacity: 0.07;
}

.toc-row > *:not(.toc-row-bg) { position: relative; z-index: 1; }

.toc-num {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cream);
  opacity: 0.5;
  width: 56px;
  flex-shrink: 0;
  transition: color 0.2s, opacity 0.2s;
}

.toc-name {
  font-size: clamp(26px, 3.6vw, 52px);
  font-weight: 700;
  font-style: oblique;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  flex: 1;
  color: var(--cream);
  transition: opacity 0.2s;
}

.toc-tags {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0.55;
  margin-right: 48px;
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.toc-arrow {
  font-size: 20px;
  color: var(--cream);
  opacity: 0.6;
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1), color 0.2s, opacity 0.2s;
}

.toc-row:hover .toc-num    { opacity: 1; color: var(--crimson); }
.toc-row:hover .toc-name   { opacity: 1; }
.toc-row:hover .toc-tags   { opacity: 0.75; }
.toc-row:hover .toc-arrow  { transform: translateX(10px); color: var(--crimson); opacity: 1; }

/* ─── PAGE LOAD ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.75s cubic-bezier(0.22,1,0.36,1) forwards;
}

.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.15s; }
.fade-up-3 { animation-delay: 0.28s; }
.fade-up-4 { animation-delay: 0.42s; }

/* ─── PROJECT GRID ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.project-card {
  position: relative;
  overflow: hidden;
  background: rgba(255,248,233,0.03);
  cursor: pointer;
}

.project-img-wrap {
  overflow: hidden;
  width: 100%;
}

.project-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.22,1,0.36,1);
}

.project-card:hover .project-img {
  transform: scale(1.04);
}

.project-meta {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,248,233,0.04);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.project-title {
  font-size: 15px;
  font-weight: 700;
  font-style: oblique;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.project-year {
  font-size: 9px;
  opacity: 0.3;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  flex-shrink: 0;
  margin-left: 16px;
}

.project-card-tag {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  border: 1px solid rgba(175,0,0,0.4);
  padding: 3px 8px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: inline-block;
  margin-top: 6px;
}

.project-card:hover .project-card-tag {
  opacity: 1;
  transform: translateY(0);
}

/* ─── POSTER LAYOUT (print-design page) ─── */
.poster-section {
  padding: 72px 48px;
  border-bottom: 1px solid rgba(255,248,233,0.06);
}

.poster-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,248,233,0.06);
}

.poster-section-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 10px;
}

.poster-section-title {
  font-size: clamp(20px, 2.6vw, 38px);
  font-weight: 700;
  font-style: oblique;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--cream);
}

.poster-section-desc {
  font-size: 11px;
  color: var(--cream);
  opacity: 0.44;
  letter-spacing: 0.04em;
  line-height: 1.7;
  max-width: 300px;
  text-align: right;
}

.poster-feature-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.poster-grid-right {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.poster-card {
  position: relative;
  overflow: hidden;
  background: rgba(255,248,233,0.02);
  cursor: pointer;
}

.poster-img-wrap {
  overflow: hidden;
  width: 100%;
}

.poster-img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.7s cubic-bezier(0.22,1,0.36,1);
}

.poster-card:hover .poster-img {
  transform: scale(1.04);
}

.poster-meta {
  padding: 16px 20px 18px;
  border-top: 1px solid rgba(255,248,233,0.04);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.poster-meta-left { flex: 1; }

.poster-title {
  font-size: 13px;
  font-weight: 700;
  font-style: oblique;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--cream);
}

.poster-subtitle {
  font-size: 9px;
  opacity: 0.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 3px;
  color: var(--cream);
}

.poster-tagline {
  font-size: 10px;
  color: var(--cream);
  opacity: 0;
  letter-spacing: 0.02em;
  line-height: 1.55;
  margin-top: 7px;
  font-style: italic;
  max-width: 240px;
  transition: opacity 0.35s ease, transform 0.35s ease;
  transform: translateY(5px);
}

.poster-card:hover .poster-tagline {
  opacity: 0.5;
  transform: translateY(0);
}

.poster-card--featured .poster-tagline {
  opacity: 0.45;
  transform: translateY(0);
}

.poster-tag {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  border: 1px solid rgba(175,0,0,0.35);
  padding: 3px 8px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease 0.05s, transform 0.3s ease 0.05s;
  display: inline-block;
  margin-top: 6px;
  white-space: nowrap;
}

.poster-card:hover .poster-tag {
  opacity: 1;
  transform: translateY(0);
}

.poster-card--featured .poster-tag {
  opacity: 0.85;
  transform: translateY(0);
}

/* ─── RESPONSIVE — TABLET (≤900px) ─── */
@media (max-width: 900px) {
  .nav { padding: 0 28px; }
  .nav-links { gap: 24px; }

  .section { padding: 72px 28px; }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .toc-tags { display: none; }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }

  .poster-feature-layout {
    grid-template-columns: 1fr;
  }
  .poster-grid-right {
    grid-template-columns: repeat(2, 1fr);
  }

  .cat-hero { padding: 96px 28px 56px; }
  .cat-hero-title { font-size: clamp(44px, 9vw, 120px); }

  .poster-section { padding: 56px 28px; }
}

/* ─── RESPONSIVE — MOBILE (≤600px) ─── */
@media (max-width: 600px) {

  /* NAV */
  .nav {
    padding: 0 20px;
    height: 56px;
  }
  .nav-logo { height: 28px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 8px; letter-spacing: 0.16em; }

  /* SECTION */
  .section { padding: 56px 20px; }
  .section-label { margin-bottom: 36px; }

  /* FOOTER */
  .footer {
    padding: 32px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* TOC */
  .toc-row { padding: 18px 0; gap: 12px; }
  .toc-num { width: 36px; font-size: 8px; }
  .toc-name { font-size: clamp(18px, 6.5vw, 36px); }
  .toc-tags { display: none; }
  .toc-arrow { font-size: 16px; }

  /* ABOUT GRID */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* PROJECT GRIDS */
  .projects-grid { grid-template-columns: 1fr; }

  /* POSTER GRIDS */
  .poster-feature-layout { grid-template-columns: 1fr; }
  .poster-grid-right { grid-template-columns: 1fr; }
  .poster-section { padding: 48px 20px; }
  .poster-section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .poster-section-desc { text-align: left; max-width: 100%; }

  /* CATEGORY HERO */
  .cat-hero { padding: 80px 20px 48px; min-height: auto; }
  .cat-hero-title { font-size: clamp(36px, 12vw, 80px); line-height: 0.9; }
  .cat-hero-foot { flex-direction: column; align-items: flex-start; gap: 10px; }
  .cat-hero-sep { display: none; }
  .back-link { margin-bottom: 32px; }
}

/* ─── CATEGORY PAGE HEADER ─── */
.cat-hero {
  min-height: 60vh;
  padding: 110px 48px 72px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,248,233,0.06);
}

.back-link {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0.7;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
  margin-bottom: 48px;
}

.back-link:hover { opacity: 1; }

.cat-hero-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 20px;
}

.cat-hero-title {
  font-size: clamp(60px, 11vw, 160px);
  font-weight: 700;
  font-style: oblique;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  line-height: 0.85;
  color: var(--cream);
}

.cat-hero-foot {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,248,233,0.06);
}

.cat-hero-byline {
  font-size: 11px;
  font-weight: 700;
  color: var(--cream);
  opacity: 0.75;
  letter-spacing: 0.06em;
}

.cat-hero-sep {
  width: 32px;
  height: 1px;
  background: rgba(255,248,233,0.3);
  flex-shrink: 0;
}

.cat-hero-count {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson);
}