/* ═══════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════ */
:root {
  --bg:        #080810;
  --bg-2:      #0a0a13;
  --surface:   #0f0f1a;
  --border:    rgba(255,255,255,0.07);
  --accent:    #C8A97E;
  --accent-dim:rgba(200,169,126,0.15);

  --text-1:    #F0F0F0;
  --text-2:    #8A8A9A;
  --text-3:    #50505F;

  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --nav-h:     64px;
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --max-w:     1200px;
  --max-narrow:800px;
}

/* ═══════════════════════════════════════════════
   RESET
═══════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  background: var(--bg);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
img, video, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
em   { font-style: normal; color: var(--accent); }
strong { color: var(--text-1); font-weight: 500; }

/* scrollbar */
::-webkit-scrollbar        { width: 4px; }
::-webkit-scrollbar-track  { background: var(--bg); }
::-webkit-scrollbar-thumb  { background: #2a2a3a; border-radius: 2px; }

/* ═══════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 2.5rem;
  transition: background 400ms, backdrop-filter 400ms, border-color 400ms;
  border-bottom: 1px solid transparent;
}

#nav.scrolled {
  background: rgba(8,8,16,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-1);
  transition: color 200ms;
  justify-self: start;
}
.nav-logo:hover { color: var(--accent); }

/* ── Section label (centre) ── */
.nav-section-label {
  justify-self: center;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color 300ms, opacity 300ms;
  pointer-events: none;
  user-select: none;
}

#nav.scrolled .nav-section-label { color: var(--text-2); }

#navSectionTitle {
  display: inline-block;
  transition: opacity 200ms, transform 200ms;
}

#navSectionTitle.changing {
  opacity: 0;
  transform: translateY(-4px);
}

/* ── Nav links (right) ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  justify-self: end;
}

.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color 200ms;
  position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-1); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 250ms var(--ease);
}
.nav-links a.active::after { transform: scaleX(1); }

/* ── Burger ── */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  justify-self: end;
}
.nav-burger span { display: block; width: 20px; height: 1px; background: var(--text-1); transition: 200ms; }

/* ── Mobile menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  z-index: 99;
  background: rgba(8,8,16,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 1rem 2rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  transition: color 200ms;
}
.mobile-menu a:hover { color: var(--text-1); }

/* ═══════════════════════════════════════════════
   SECTIONS — shared
═══════════════════════════════════════════════ */
section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.section-top-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
}

.container {
  position: relative;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 7rem 2rem;
}

.container--narrow {
  max-width: var(--max-narrow);
  padding: 7rem 2rem;
}

.section-eyebrow {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.section-heading {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 2rem;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
#hero {
  background: var(--bg);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Replace this with your real image/video */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 80% at 65% 40%, rgba(30,25,50,0.8) 0%, rgba(8,8,16,1) 70%),
    linear-gradient(135deg, #0d0b18 0%, #080810 100%);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-grid {
  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: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,8,16,0.45);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 0 6vw;
  width: 100%;
  max-width: 900px;
  margin-right: auto;
}

.hero-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text-1);
  margin-bottom: 1.25rem;
}

.hero-divider {
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(1.1rem, 3vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.scroll-hint-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color 200ms;
}
.scroll-hint:hover .scroll-hint-label { color: var(--text-2); }

.scroll-hint-line {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.scroll-hint-line-inner {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 40%;
  background: var(--accent);
  animation: scroll-drop 1.6s ease-in-out infinite;
}

@keyframes scroll-drop {
  0%   { top: -40%; }
  100% { top: 140%; }
}

/* ═══════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════ */
#about { background: var(--bg); }

.about-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0;
}

.about-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 2.5rem 0;
}

.skills-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  letter-spacing: 0.04em;
  transition: border-color 200ms, color 200ms;
  cursor: pointer;
}
.skill-tag:hover {
  border-color: rgba(200,169,126,0.4);
  color: var(--text-1);
}

/* ── Software tag icon (shared by .skill-tag + .modal-tag) ── */
.tag-icon {
  width: 14px;
  height: 14px;
  object-fit: contain;
  flex-shrink: 0;
}
.tag-icon--mono {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  background: rgba(255,255,255,0.06);
  color: var(--text-2);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0;
}

/* ═══════════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════════ */
#projects { background: #0a0a12; align-items: stretch; }

.projects-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.projects-header .section-heading { margin-bottom: 0; }

.filter-group {
  display: flex;
  gap: 0.375rem;
  flex-shrink: 0;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-2);
  background: transparent;
  cursor: pointer;
  transition: background 200ms, color 200ms, border-color 200ms;
}
.filter-btn:hover {
  border-color: rgba(255,255,255,0.14);
  color: var(--text-1);
}
.filter-btn--active {
  background: var(--text-1);
  color: var(--bg);
  border-color: var(--text-1);
}

/* 2-column grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

/* card */
.project-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 300ms, transform 300ms var(--ease);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-3px);
}

.card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #0d0b18 0%, #13111f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* If you add a real <img> inside .card-image, this styling applies */
.card-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}
.project-card:hover .card-image img { transform: scale(1.04); }

.card-image-placeholder {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}

.card-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(8,8,16,0.8);
  backdrop-filter: blur(8px);
  color: var(--text-3);
  border-radius: 2px;
}

.card-body {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}

.card-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
  line-height: 1.2;
  transition: color 200ms;
}
.project-card:hover .card-title { color: var(--accent); }

.card-role {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.card-arrow {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--text-3);
  transition: color 200ms, transform 200ms;
}
.project-card:hover .card-arrow {
  color: var(--accent);
  transform: translate(2px, -2px);
}

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
#contact { background: var(--bg); }

.contact-intro {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 3rem;
  margin-top: -0.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 340px;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--surface);
  transition: border-color 200ms, background 200ms, transform 200ms;
  cursor: pointer;
}
.contact-link:hover {
  border-color: rgba(255,255,255,0.14);
  background: #131320;
  transform: translateY(-1px);
}
.contact-link--static { cursor: default; }
.contact-link--static:hover { transform: none; }

.contact-link-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg);
  transition: color 200ms;
}
.contact-link:hover .contact-link-icon { color: var(--accent); }

.contact-link-body { display: flex; flex-direction: column; gap: 0.15rem; text-align: left; }

.contact-link-label {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}

.contact-link-value {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color 200ms;
}
.contact-link:hover .contact-link-value { color: var(--text-1); }

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.75rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color 200ms, color 200ms;
}
.btn-cv:hover {
  border-color: rgba(200,169,126,0.4);
  color: var(--accent);
}

footer {
  position: absolute;
  bottom: 1.5rem;
  left: 0; right: 0;
  text-align: center;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ═══════════════════════════════════════════════
   MODAL — full screen
═══════════════════════════════════════════════ */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 300ms;
}
.modal-backdrop.open    { display: block; }
.modal-backdrop.visible { opacity: 1; }

.modal {
  display: none;
  position: fixed;
  z-index: 210;
  inset: 2vh 2vw;               /* nearly full screen with a small gap */
  overflow-y: auto;
  background: #0d0d18;
  border: 1px solid var(--border);
  border-radius: 4px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 380ms var(--ease), transform 380ms var(--ease);
  display: none;
  flex-direction: column;
  gap: 0;
}
.modal.open    { display: flex; }
.modal.visible { opacity: 1; transform: translateY(0); }

/* Close button */
.modal-close {
  position: sticky;
  top: 0;
  align-self: flex-end;
  z-index: 10;
  margin: 1.25rem 1.25rem 0 auto;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  color: var(--text-2);
  background: rgba(13,13,24,0.9);
  transition: border-color 200ms, color 200ms;
}
.modal-close:hover { border-color: rgba(255,255,255,0.3); color: var(--text-1); }

/* ── Top row ── */
.modal-top {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0;
  padding: 0 2.5rem 2rem;
  flex-shrink: 0;
}

/* Text panel */
.modal-text {
  padding-right: 2.5rem;
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.modal-meta { margin-bottom: 1.5rem; }

.modal-badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(200,169,126,0.3);
  color: var(--accent);
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.modal-title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.modal-role {
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.modal-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.modal-section { margin-bottom: 1.5rem; }

.modal-section-label {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}

.modal-list { display: flex; flex-direction: column; gap: 0.55rem; }

.modal-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.84rem;
  color: var(--text-2);
  line-height: 1.55;
}
.modal-list li::before {
  content: '';
  flex-shrink: 0;
  margin-top: 0.55em;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.modal-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.modal-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.7rem;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 200ms, color 200ms;
}
.modal-tag:hover {
  border-color: rgba(200,169,126,0.4);
  color: var(--text-1);
}

/* ── Slideshow panel ── */
.modal-slideshow {
  position: relative;
  padding-left: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.slide-track {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  cursor: zoom-in;
  background: #08080f;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-track img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  pointer-events: none;
  transition: opacity 350ms var(--ease);
}
.slide-track img.active { opacity: 1; pointer-events: auto; }

.slide-placeholder {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,13,24,0.8);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  color: var(--text-2);
  cursor: pointer;
  transition: border-color 200ms, color 200ms, background 200ms;
}
.slide-btn:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--text-1);
  background: rgba(13,13,24,0.95);
}
.slide-btn--prev { left: 3rem; }
.slide-btn--next { right: 1rem; }

.slide-dots {
  display: flex;
  gap: 0.4rem;
}
.slide-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-3);
  cursor: pointer;
  transition: background 200ms, transform 200ms;
}
.slide-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}

/* ── 360 viewer ── */
.modal-360 {
  padding: 2rem 2.5rem 2.5rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.viewer-wrap {
  position: relative;
  width: 100%;
  background: #08080f;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.875rem;
}

.viewer-canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 55vh;
  object-fit: contain;
}

.viewer-hint {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  background: rgba(8,8,16,0.7);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  pointer-events: none;
  transition: opacity 400ms;
}
.viewer-hint.hidden { opacity: 0; }

/* Progress / scrubber */
.viewer-bar-wrap {
  padding: 0 0.125rem;
}

.viewer-bar {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.viewer-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #0d0d18;
  box-shadow: 0 0 6px rgba(200,169,126,0.4);
}
.viewer-bar::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #0d0d18;
}

/* track fill on left of thumb */
.viewer-bar::-webkit-slider-runnable-track { border-radius: 2px; }

/* ── Text-only top row ── */
.modal-top--text-only {
  grid-template-columns: 1fr;
}
.modal-top--text-only .modal-text {
  border-right: none;
  padding-right: 0;
  max-width: 680px;
}

/* ── Video slides ── */
.slide-track video,
.dual-track video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  pointer-events: none;
  transition: opacity 350ms var(--ease);
  background: #000;
}
.slide-track video.active,
.dual-track video.active {
  opacity: 1;
  pointer-events: auto;
}

/* ── YouTube panel ── */
.modal-youtube-wrap {
  padding-left: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.yt-carousel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.yt-carousel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: border-color 200ms, color 200ms;
}
.yt-carousel-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.modal-youtube-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.modal-youtube-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ── Dual slideshow ── */
.modal-dual-slideshow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 2rem 2.5rem 2rem;
  border-top: 1px solid var(--border);
}

.dual-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dual-slide-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.dual-track {
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  flex: 1;
}

/* override prev/next positioning for dual layout */
.dual-slide-wrap .slide-btn--prev { left: 0.5rem; }
.dual-slide-wrap .slide-btn--next { right: 0.5rem; }

/* ── Detail images grid ── */
.modal-details {
  padding: 0 2.5rem 2.5rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.625rem;
}

.detail-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #08080f;
  cursor: pointer;
}

.detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 350ms var(--ease), opacity 200ms;
}

.detail-thumb:hover img {
  transform: scale(1.07);
}

.detail-thumb:hover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(200,169,126,0.06);
  border: 1px solid rgba(200,169,126,0.25);
  border-radius: 2px;
  pointer-events: none;
}

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0,0,0,0.96);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 280ms;
}
.lightbox.open    { display: flex; }
.lightbox.visible { opacity: 1; }

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 8px 60px rgba(0,0,0,0.8);
  transition: opacity 250ms;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
  background: rgba(13,13,24,0.8);
  color: var(--text-2);
  cursor: pointer;
  transition: border-color 200ms, color 200ms;
  z-index: 10;
}
.lightbox-close:hover { border-color: rgba(255,255,255,0.35); color: var(--text-1); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  background: rgba(13,13,24,0.7);
  color: var(--text-2);
  cursor: pointer;
  transition: border-color 200ms, color 200ms, background 200ms;
}
.lightbox-nav:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--text-1);
  background: rgba(13,13,24,0.95);
}
.lightbox-nav--prev { left: 1.5rem; }
.lightbox-nav--next { right: 1.5rem; }
.lightbox-nav.hidden { display: none; }

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-3);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .modal { inset: 0; border-radius: 0; border: none; }
  .modal-top { grid-template-columns: 1fr; padding: 0 1.25rem 1.5rem; }
  .modal-text { padding-right: 0; border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
  .modal-slideshow { padding-left: 0; }
  .slide-btn--prev { left: 0.5rem; }
  .slide-btn--next { right: 0.5rem; }
  .modal-360    { padding: 1.5rem 1.25rem 2rem; }
  .modal-details { padding: 1.5rem 1.25rem 2rem; }
  .details-grid  { grid-template-columns: repeat(2, 1fr); }
}

/* ═══════════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
═══════════════════════════════════════════════ */
.anim-fade-up {
  opacity: 0;
  transform: translateY(18px);
  animation: fade-up 0.9s var(--ease) forwards;
  animation-delay: var(--delay, 0s);
}
.anim-scale-x {
  transform: scaleX(0);
  animation: scale-x 0.7s var(--ease) forwards;
  animation-delay: var(--delay, 0s);
}
.anim-fade {
  opacity: 0;
  animation: fade-in 1s ease forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes fade-up  { to { opacity:1; transform:translateY(0); } }
@keyframes scale-x  { to { transform:scaleX(1); } }
@keyframes fade-in  { to { opacity:1; } }

/* Intersection observer reveals */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  #nav {
    grid-template-columns: 1fr auto;
    padding: 0 1.5rem;
  }
  .nav-section-label { display: none; }
  .nav-links         { display: none; }
  .nav-burger        { display: flex; }

  .projects-grid { grid-template-columns: 1fr; }

  .projects-header { flex-direction: column; align-items: flex-start; }

  .modal-body { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .container, .container--narrow { padding: 5rem 1.25rem; }
  .hero-title { letter-spacing: 0.1em; }
}

/* ═══════════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}