/* ============================================================
   C4SHOOTZ — tokens
   ============================================================ */
:root {
  --onyx: #0B0B0C;
  --graphite: #1A1A1D;
  --graphite-2: #222226;
  --porcelain: #F2F1ED;
  --guards-red: #D5001C;
  --guards-red-dim: #8c0715;
  --guards-red-text: #FF3347;
  --steel: #6B6B70;
  --steel-text: #8C8C92;
  --silver: #C9CDD3;

  --font-display: "Big Shoulders Display", sans-serif;
  --font-body: "Archivo", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --nav-h: 76px;
  --container: 1180px;
  --ease: cubic-bezier(.22, .8, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

html { background: var(--onyx); }

body {
  margin: 0;
  background: transparent;
  color: var(--porcelain);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.site-bg-video {
  position: fixed; inset: 0; z-index: -1;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.65) saturate(0.9);
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) { .site-bg-video { display: none; } }

h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: 0.01em; }
p { margin: 0 0 1em; color: var(--porcelain); }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }

.mono { font-family: var(--font-mono); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--guards-red); color: var(--porcelain);
  padding: 0.75em 1.25em; font-family: var(--font-mono); font-size: 0.85rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--guards-red);
  outline-offset: 3px;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--guards-red-text);
  margin: 0 0 0.9em;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  text-transform: uppercase;
  line-height: 0.95;
}

.muted { color: var(--steel-text); }

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: linear-gradient(to bottom, rgba(11,11,12,0.7), rgba(11,11,12,0));
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-nav.is-scrolled {
  background: rgba(11,11,12,0.92);
  backdrop-filter: blur(8px);
  border-bottom-color: rgba(255,255,255,0.08);
}

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex; align-items: center; gap: 2rem;
}

.mark {
  display: inline-flex; align-items: center; gap: 0.4em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.36rem;
  letter-spacing: 0.02em;
  margin-right: auto;
}
.mark-sm { font-size: 1.15rem; }

.nav-links { display: flex; align-items: center; gap: 2rem; font-size: 0.92rem; }
.nav-links a { position: relative; padding: 0.3em 0; color: var(--porcelain); }
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--guards-red); transition: right 0.25s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after { right: 0; }

.nav-cta {
  border: 1px solid var(--guards-red);
  padding: 0.55em 1.1em;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.nav-cta:hover { background: var(--guards-red); }

.nav-social-row { display: flex; align-items: center; gap: 1.4rem; }
.nav-social { display: inline-flex; color: var(--porcelain); opacity: 0.85; transition: opacity 0.2s, color 0.2s; }
.nav-social:hover { opacity: 1; color: var(--guards-red); }
.nav-social svg { width: 48px; height: 48px; }

.nav-toggle {
  display: none;
  width: 32px; height: 24px;
  flex-direction: column; justify-content: space-between;
  background: none; border: none; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; height: 2px; background: var(--porcelain); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-social-row { display: none; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--onyx); border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-direction: column; align-items: flex-start; gap: 0;
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s var(--ease);
  }
  .nav-links.is-open { max-height: 400px; }
  .nav-links a { width: 100%; padding: 1rem 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-cta { margin: 1rem 1.5rem; text-align: center; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg { position: absolute; inset: 0; z-index: 0; background: rgba(11,11,12,0.7); }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(213,0,28,0.14), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(201,205,211,0.06), transparent 50%),
    linear-gradient(180deg, rgba(11,11,12,0.7) 0%, rgba(16,16,18,0.7) 55%, rgba(11,11,12,0.7) 100%);
}
.hero-grid::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent, black 30%, black 70%, transparent);
}

.hero-stripe {
  position: absolute;
  top: -20%; bottom: -20%;
  left: -10%;
  width: 46%;
  background: linear-gradient(100deg, var(--guards-red-dim), var(--guards-red) 60%, var(--guards-red-dim));
  transform: skewX(-16deg) translateX(-140%);
  opacity: 0.9;
  animation: stripeSweep 1.4s var(--ease) 0.15s forwards;
}
@keyframes stripeSweep {
  to { transform: skewX(-16deg) translateX(120%); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-stripe { animation: none; opacity: 0.16; transform: skewX(-16deg) translateX(20%); }
}

.hero-content {
  position: relative; z-index: 1;
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-content { grid-template-columns: 1fr 1.05fr; gap: 3.5rem; }
  .hero-title { font-size: clamp(2.6rem, 6.5vw, 6.4rem); }
}

.hero-media {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid var(--guards-red);
  box-shadow: 0 25px 60px -12px rgba(213, 0, 28, 0.55), 0 0 0 1px rgba(213, 0, 28, 0.25);
  background: linear-gradient(160deg, #26262A, #0B0B0C);
  opacity: 0; transform: translateY(24px);
  animation: heroUp 0.7s var(--ease) 0.95s forwards;
}
@media (prefers-reduced-motion: reduce) { .hero-media { animation: none; opacity: 1; transform: none; } }

.hero-media iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.hero-media .tile-tag { z-index: 2; }

.hero-title {
  font-size: clamp(3rem, 11vw, 8rem);
  text-transform: uppercase;
  line-height: 0.88;
  display: flex; flex-direction: column; gap: 0.02em;
  opacity: 0; transform: translateY(24px);
  animation: heroUp 0.7s var(--ease) 0.5s forwards;
}
.hero-title .accent { color: var(--guards-red); }
@keyframes heroUp { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .hero-title { animation: none; opacity: 1; transform: none; } }

.eyebrow.mono { opacity: 0; animation: heroUp 0.6s var(--ease) 0.3s forwards; }
.hero-sub {
  max-width: 34em; font-size: 1.05rem; color: var(--silver); margin-top: 1.2em;
  opacity: 0; animation: heroUp 0.6s var(--ease) 0.68s forwards;
}
.hero-actions {
  display: flex; gap: 1rem; margin-top: 1.8em; flex-wrap: wrap;
  opacity: 0; animation: heroUp 0.6s var(--ease) 0.82s forwards;
}
@media (prefers-reduced-motion: reduce) {
  .eyebrow.mono, .hero-sub, .hero-actions { animation: none; opacity: 1; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.95em 1.8em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--guards-red); color: var(--porcelain); }
.btn-primary:hover { background: #ef0a26; }
.btn-ghost { border-color: rgba(242,241,237,0.35); color: var(--porcelain); }
.btn-ghost:hover { border-color: var(--porcelain); }
.btn-block { width: 100%; }

.scroll-cue {
  position: absolute; bottom: 2.2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  color: var(--steel); font-size: 0.72rem; letter-spacing: 0.15em;
  z-index: 1;
}
.scroll-line { width: 1px; height: 34px; background: linear-gradient(var(--guards-red), transparent); }

/* ============================================================
   TICKER
   ============================================================ */
.ticker {
  position: relative;
  overflow: hidden;
  background: var(--guards-red);
  color: var(--onyx);
  padding: 0.7em 0;
  white-space: nowrap;
}
.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  animation: tickerScroll 32s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.ticker-item { padding-right: 0.2rem; }
.ticker-dot { font-size: 0.6rem; opacity: 0.6; }
@keyframes tickerScroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.section { padding: 7rem 0; background: rgba(11,11,12,0.7); }
.section-dark { background: rgba(26,26,29,0.7); }
.section-inner { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section-head { margin-bottom: 3rem; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

@media (prefers-reduced-motion: no-preference) {
  .service-grid .service-card:nth-child(1) { transition-delay: 0s; }
  .service-grid .service-card:nth-child(2) { transition-delay: 0.08s; }
  .service-grid .service-card:nth-child(3) { transition-delay: 0.16s; }

  .gallery-grid .tile:nth-child(3n+1) { transition-delay: 0s; }
  .gallery-grid .tile:nth-child(3n+2) { transition-delay: 0.08s; }
  .gallery-grid .tile:nth-child(3n+3) { transition-delay: 0.16s; }

  .stat-bar > div:nth-child(1) { transition-delay: 0s; }
  .stat-bar > div:nth-child(2) { transition-delay: 0.08s; }
  .stat-bar > div:nth-child(3) { transition-delay: 0.16s; }
  .stat-bar > div:nth-child(4) { transition-delay: 0.24s; }
}

/* ============================================================
   GALLERY
   ============================================================ */
.filters { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.filter-btn {
  background: transparent; color: var(--steel);
  border: 1px solid rgba(242,241,237,0.18);
  padding: 0.55em 1.2em; border-radius: 2px;
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.04em;
  text-transform: uppercase; cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.filter-btn:hover { color: var(--porcelain); border-color: rgba(242,241,237,0.4); }
.filter-btn.is-active { background: var(--guards-red); border-color: var(--guards-red); color: var(--porcelain); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }

.tile {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  border: none;
  padding: 0;
  text-align: left;
  transition: transform 0.35s var(--ease), opacity 0.3s var(--ease);
}
.tile.is-hidden { display: none; }
.tile:hover { transform: translateY(-4px); }

.tile-media {
  position: absolute; inset: 0;
  transition: transform 0.5s var(--ease);
}
.tile:hover .tile-media { transform: scale(1.06); }
.tile-media img { display: block; width: 100%; height: 100%; object-fit: cover; }

.tile-tag {
  position: absolute; top: 0.8rem; left: 0.8rem;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.04em;
  color: rgba(242,241,237,0.75);
  background: rgba(11,11,12,0.55);
  padding: 0.3em 0.55em; border-radius: 2px;
  z-index: 2;
}

.tile-corner {
  position: absolute; top: 0; right: 0; width: 0; height: 0;
  border-style: solid; border-width: 0 34px 34px 0;
  border-color: transparent var(--guards-red) transparent transparent;
  opacity: 0; transition: opacity 0.25s var(--ease);
  z-index: 2;
}
.tile:hover .tile-corner, .tile:focus-visible .tile-corner { opacity: 1; }

.tile-info {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 1rem 0.9rem;
  background: linear-gradient(to top, rgba(11,11,12,0.7), transparent);
}
.tile-info h3 { font-size: 1.1rem; text-transform: uppercase; }
.tile-info span { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--silver); margin-top: 0.2em; }

.tile-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(213,0,28,0.9);
  display: flex; align-items: center; justify-content: center;
  color: var(--porcelain); z-index: 2;
}

/* category-driven placeholder gradients */
.tile[data-cat="track"] .tile-media { background: linear-gradient(145deg, #2a0509, #0B0B0C 60%), repeating-linear-gradient(115deg, rgba(213,0,28,0.18) 0 12px, transparent 12px 40px); }
.tile[data-cat="detail"] .tile-media { background: linear-gradient(160deg, #26262A, #0B0B0C); }
.tile[data-cat="portrait"] .tile-media { background: linear-gradient(150deg, #1A1A1D, #303036 70%); }
.tile[data-cat="film"] .tile-media { background: linear-gradient(160deg, #300308, #0B0B0C 65%); }

/* ============================================================
   REEL
   ============================================================ */
.reel-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(145deg, #26262A, #0B0B0C);
  border: 2px solid var(--guards-red);
  box-shadow: 0 25px 60px -12px rgba(213, 0, 28, 0.55), 0 0 0 1px rgba(213, 0, 28, 0.25);
}
.reel-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.reel-label { font-size: 0.75rem; letter-spacing: 0.08em; color: var(--silver); }

/* ============================================================
   SERVICES
   ============================================================ */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 860px) { .service-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--graphite);
  border: 1px solid rgba(242,241,237,0.08);
  border-radius: 4px;
  padding: 2.2rem 1.8rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.service-card:hover { border-color: var(--guards-red); transform: translateY(-4px); }
.service-icon { color: var(--guards-red); margin-bottom: 1.2rem; }
.service-card h3 { font-size: 1.5rem; text-transform: uppercase; margin-bottom: 0.5rem; }
.service-card p { color: var(--silver); }
.service-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.service-list li { font-size: 0.88rem; color: var(--steel-text); padding-left: 1.1em; position: relative; }
.service-list li::before { content: "—"; position: absolute; left: 0; color: var(--guards-red); }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 3.5rem; align-items: center; }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }

.about-portrait { position: relative; border-radius: 4px; overflow: hidden; aspect-ratio: 5/6; }
.about-portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }

.stat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 2.2rem;
  border-top: 1px solid rgba(242,241,237,0.12);
  border-bottom: 1px solid rgba(242,241,237,0.12);
}
.stat-bar > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.5em;
  padding: 1.1rem 1.4rem;
  border-left: 1px solid rgba(242,241,237,0.12);
}
.stat-bar > div:first-child { border-left: none; }
@media (max-width: 640px) {
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-bar > div:nth-child(2n+1) { border-left: none; }
  .stat-bar > div:nth-child(n+3) { border-top: 1px solid rgba(242,241,237,0.12); }
}
.stat-bar dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--guards-red-text);
  font-variant-numeric: tabular-nums;
}
.stat-bar dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-text);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { margin-top: 1.8rem; display: flex; flex-direction: column; gap: 0.9rem; font-size: 0.88rem; }
.contact-list li { display: flex; flex-direction: column; gap: 0.2rem; }
.contact-list span { color: var(--steel-text); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; }
.contact-list a:hover { color: var(--guards-red); }

.social-row { display: flex; gap: 1.2rem; margin-top: 2rem; font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.05em; }
.social-row a { border-bottom: 1px solid rgba(242,241,237,0.25); padding-bottom: 2px; transition: color 0.2s, border-color 0.2s; }
.social-row a:hover { color: var(--guards-red); border-color: var(--guards-red); }

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: flex; flex-direction: column; gap: 0.5rem; }
.form-row label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--steel); }
.form-row input, .form-row select, .form-row textarea {
  background: var(--graphite);
  border: 1px solid rgba(242,241,237,0.15);
  border-radius: 2px;
  padding: 0.8em 0.9em;
  color: var(--porcelain);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--guards-red);
}
.form-note { min-height: 1.2em; color: var(--guards-red); font-size: 0.8rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid rgba(242,241,237,0.08); padding: 2.5rem 0; background: rgba(11,11,12,0.7); }
.footer-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
}
.footer-inner p { margin: 0; font-size: 0.78rem; color: var(--steel-text); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(6,6,7,0.92);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
}
.lightbox[hidden] { display: none; }
.lightbox-body {
  width: min(760px, 100%);
  aspect-ratio: 4/5;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.lightbox-body iframe { width: 100%; height: 100%; border: 0; position: absolute; inset: 0; }
.lightbox-body img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; display: block; }
.lightbox-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.2rem;
  background: linear-gradient(to top, rgba(11,11,12,0.7), transparent);
}
.lightbox-caption h3 { text-transform: uppercase; font-size: 1.3rem; }
.lightbox-caption span { font-family: var(--font-mono); font-size: 0.75rem; color: var(--silver); }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem; z-index: 1;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(242,241,237,0.08); color: var(--porcelain);
  border: none; font-size: 1.6rem; line-height: 1; cursor: pointer;
  transition: background 0.2s;
}
.lightbox-close:hover { background: var(--guards-red); }

.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 1;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(242,241,237,0.08); color: var(--porcelain);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lightbox-nav:hover { background: var(--guards-red); }
.lightbox-nav[hidden] { display: none; }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
@media (max-width: 640px) {
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
  .lightbox-nav { width: 40px; height: 40px; }
}