/* reset & custom properties */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --sidebar-w:   220px;
  --bg:          #080808;
  --bg-alt:      #0e0e0e;
  --bg-card:     #141414;
  --border:      #222222;
  --border-dim:  #181818;
  --green:       #8aab47;
  --green-dim:   #4a5e20;
  --green-glow:  rgba(138, 171, 71, 0.18);
  --red:         #e53935;
  --red-dim:     #4a0a0a;
  --text:        #d8d8d8;
  --text-muted:  #686868;
  --text-dim:    #303030;
  --font-main:   'Segoe UI', system-ui, sans-serif;
  --font-mono:   'Courier New', monospace;
  --transition:  0.25s ease;
}

html { scroll-behavior: smooth; }

/* CRT / scanline overlay */
#crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
  animation: crt-flicker 8s infinite;
  will-change: opacity;
}

@keyframes crt-flicker {
  0%,  97%          { opacity: 1; }
  97.5%             { opacity: 0.85; }
  98%               { opacity: 1; }
  98.7%             { opacity: 0.6; }
  99%               { opacity: 1; }
  99.5%             { opacity: 0.9; }
  100%              { opacity: 1; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  display: flex;
}

/* scrollbar */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 2px; }

/* typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p  { color: var(--text-muted); }
a  { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: #adc96a; }

/* buttons */
.btn-primary {
  display: inline-block;
  padding: 10px 24px;
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: #adc96a;
  color: #000;
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 4px;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

/* sidebar */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform var(--transition);
}

.sidebar-logo {
  padding: 32px 28px 24px;
  font-size: 1.6rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--green);
  letter-spacing: 0.12em;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 16px;
}
.sidebar-torch {
  transform: scale(1.2);
  transform-origin: center;
}
.logo-bracket { color: var(--red); }

.sidebar-nav {
  list-style: none;
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}
.sidebar-nav li { margin-bottom: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 28px;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-left: 3px solid transparent;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.nav-item:hover,
.nav-item.active {
  color: var(--green);
  background: rgba(57, 211, 83, 0.04);
  border-left-color: var(--green);
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  min-width: 20px;
  transition: color var(--transition);
}
.nav-item:hover .nav-num,
.nav-item.active .nav-num { color: var(--green); }

.sidebar-footer {
  padding: 20px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 20px;
  flex-shrink: 0;
}
.sidebar-footer a {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  transition: color var(--transition);
}
.sidebar-footer a:hover { color: var(--green); }

/* mobile header */
#mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  height: 56px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.mobile-logo {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--green);
  letter-spacing: 0.15em;
}
#sidebar-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
}

/* main content */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
}

/* sections */
section {
  padding: 90px 64px;
  border-bottom: 1px solid var(--border-dim);
}
section:nth-child(even) { background: var(--bg-alt); }

.section-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 56px;
}
.sec-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--green);
  opacity: 0.7;
}
.sec-title {
  color: var(--text);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.sec-torch {
  position: relative;
  width: 32px;
  height: 32px;
  background-image: url('images/torch.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(1.8);
  transform-origin: center;
  flex-shrink: 0;
  animation: torch-flicker 0.35s steps(3) infinite;
  filter: drop-shadow(0 0 6px rgba(255, 160, 40, 0.9))
          drop-shadow(0 0 18px rgba(255, 100, 10, 0.6));
}

.sec-torch::after {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,160,40,0.25) 0%, transparent 70%);
  pointer-events: none;
  animation: torch-glow-pulse 0.35s steps(3) infinite;
}

@keyframes torch-glow-pulse {
  0%   { opacity: 1;   transform: translateX(-50%) scale(1); }
  50%  { opacity: 0.7; transform: translateX(-50%) scale(1.1); }
  100% { opacity: 1;   transform: translateX(-50%) scale(0.95); }
}

/* hero */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px 60px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

/* Scanlines */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.07) 2px, rgba(0,0,0,0.07) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* Large decorative background text */
#hero::after {
  content: 'ZOMBIE';
  position: absolute;
  bottom: -60px;
  right: -30px;
  font-family: var(--font-mono);
  font-size: clamp(8rem, 18vw, 20rem);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(57, 211, 83, 0.05);
  letter-spacing: -0.05em;
  pointer-events: none;
  z-index: 0;
  line-height: 1;
  user-select: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  align-items: center;
  max-width: 1080px;
}

.hero-tag {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  font-family: var(--font-mono);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(5rem, 11vw, 9rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #fff;
  font-family: var(--font-mono);
  text-shadow:
    0 0 60px rgba(57, 211, 83, 0.3),
    0 0 120px rgba(57, 211, 83, 0.1);
  margin-bottom: 24px;
  line-height: 0.9;
}

.divider-torch {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background-image: url('images/torch.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(2) translateY(-25%);
  animation: torch-flicker 0.35s steps(3) infinite;
}

.divider-torch-left  { left: 32px; }
.divider-torch-right { right: 32px; }

@keyframes torch-flicker {
  from { background-position: 0 0; }
  to   { background-position: -96px 0; }
}


.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Right panel — zombie sprite showcase */
.hero-right {
  display: flex;
  flex-direction: column;
}

.zombie-showcase {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  padding: 20px 20px 0;
}

.zombie-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.zombie-stage {
  position: relative;
  height: 160px;
  overflow: hidden;
  background: linear-gradient(to bottom, transparent 60%, rgba(57,211,83,0.03) 100%);
}

.zombie-ground {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}

.zombie-walker {
  position: absolute;
  bottom: 1px;
  left: -88px;
  animation: zombie-walk-across 5s linear infinite;
}

.zombie-sprite {
  width: 16px;
  height: 24px;
  background-image: url('images/zombie-walk.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(5);
  transform-origin: bottom left;
  animation: zombie-frames 0.7s steps(8) infinite;
}

@keyframes zombie-frames {
  from { background-position: 0 0; }
  to   { background-position: -128px 0; }
}

@keyframes zombie-walk-across {
  0%   { left: -88px; }
  100% { left: calc(100% + 10px); }
}

.minion-walker {
  position: absolute;
  bottom: 1px;
  left: -100px;
  animation: minion-walk-across 5s linear infinite;
  animation-delay: 2.5s;
}

.minion-sprite {
  width: 32px;
  height: 32px;
  background-image: url('images/minion-walk.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(3);
  transform-origin: bottom left;
  animation: minion-frames 0.65s steps(4) infinite;
}

@keyframes minion-frames {
  from { background-position: 0 0; }
  to   { background-position: -128px 0; }
}

@keyframes minion-walk-across {
  0%   { left: -100px; }
  100% { left: calc(100% + 10px); }
}

.hero-scroll-hint {
  position: relative;
  z-index: 1;
  margin-top: 60px;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* about me */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 64px;
  align-items: start;
}

.about-text h3 {
  font-size: 1.8rem;
  color: var(--text);
  margin-bottom: 6px;
}

.course-tag {
  display: block;
  font-size: 0.78rem;
  color: var(--green);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.about-bio {
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.skills-grid span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 11px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 3px;
  font-family: var(--font-mono);
  transition: border-color var(--transition), color var(--transition);
}
.skills-grid span:hover {
  border-color: var(--green);
  color: var(--green);
}

.about-links { display: flex; gap: 12px; }

.photo-frame {
  aspect-ratio: 3/4;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.img-placeholder {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
  line-height: 2;
}

/* divider strip */
.divider-strip {
  position: relative;
  height: 80px;
  background: var(--bg);
  overflow: hidden;
}

.divider-minion-walker {
  position: absolute;
  bottom: -6px;
  left: -100px;
  animation: divider-minion-across 14s linear infinite;
  animation-delay: 0.5s;
}

.divider-minion-sprite {
  width: 32px;
  height: 32px;
  background-image: url('images/minion-walk.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(3);
  transform-origin: bottom left;
  animation: divider-minion-frames 0.65s steps(4) infinite;
}

@keyframes divider-minion-frames {
  from { background-position: 0 0; }
  to   { background-position: -128px 0; }
}

@keyframes divider-minion-across {
  0%   { left: -100px; }
  100% { left: calc(100% + 10px); }
}

/* zombie divider walker */
.divider-zombie-walker {
  position: absolute;
  bottom: -6px;
  left: -100px;
  animation: divider-zombie-across 18s linear infinite;
  animation-delay: 1.5s;
}

.divider-zombie-sprite {
  width: 16px;
  height: 24px;
  background-image: url('images/zombie-walk.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(3);
  transform-origin: bottom center;
  animation: divider-zombie-frames 0.7s steps(8) infinite;
}

@keyframes divider-zombie-frames {
  from { background-position: 0 0; }
  to   { background-position: -128px 0; }
}

@keyframes divider-zombie-across {
  0%   { left: -100px; }
  100% { left: calc(100% + 100px); }
}

/* features */
.features-list {
  display: flex;
  flex-direction: column;
}

.feat-row {
  display: grid;
  grid-template-columns: 56px 60px 1fr;
  gap: 0;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border-dim);
  transition: background var(--transition);
}
.feat-row:last-child { border-bottom: none; }
.feat-row:hover { background: rgba(57, 211, 83, 0.02); }

.feat-index {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.feat-icon {
  font-size: 1.5rem;
  line-height: 1;
  padding-top: 2px;
  color: var(--green);
}

.feat-body h3 {
  color: var(--text);
  margin-bottom: 8px;
}
.feat-body p {
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.feat-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.feat-tags span {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid var(--green-dim);
  color: var(--green);
  border-radius: 2px;
  font-family: var(--font-mono);
}

/* tech terminal */
.terminal-window {
  background: #090909;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  max-width: 780px;
  box-shadow: 0 0 60px rgba(57, 211, 83, 0.04);
}

.terminal-bar {
  background: #181818;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.t-dot         { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.t-dot.t-red    { background: #ff5f57; }
.t-dot.t-yellow { background: #febc2e; }
.t-dot.t-green  { background: #28c840; }

.t-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: 24px 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
}

.t-line        { display: flex; gap: 12px; }
.t-prompt      { color: var(--green); user-select: none; }
.t-cmd         { color: #fff; }
.t-out         { color: var(--text-muted); padding-left: 16px; }
.t-blank       { height: 10px; }

.t-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* gallery */
.gallery-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-top: 8px;
  padding-bottom: 20px;
  margin-left: -64px;
  margin-right: -64px;
  padding-left: 64px;
  padding-right: 64px;
  scrollbar-width: thin;
  scrollbar-color: var(--green-dim) var(--bg);
}
.gallery-strip::-webkit-scrollbar        { height: 4px; }
.gallery-strip::-webkit-scrollbar-track  { background: var(--bg); }
.gallery-strip::-webkit-scrollbar-thumb  { background: var(--green-dim); border-radius: 2px; }

.gallery-item {
  position: relative;
  flex-shrink: 0;
  width: 360px;
  aspect-ratio: 16/9;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
}
.gallery-item:hover {
  border-color: var(--green);
  transform: translateY(-4px);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition);
}
.gallery-item:hover img { transform: scale(1.04); }

.gallery-item.img-missing {
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item.img-missing::before {
  content: attr(data-label);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.gallery-item.img-missing img { display: none; }

.gallery-item.gallery-video-slider { cursor: default; }
.gallery-item.gallery-video-slider:hover { transform: none; }
.gallery-item.gallery-video-slider .vslide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item.gallery-video-slider .vslide.active { opacity: 1; }

.gallery-item.gallery-video { cursor: default; }
.gallery-item.gallery-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-item.gallery-video:hover { transform: none; }

.gallery-item.gallery-enemy-sprites { cursor: default; }
.gallery-item.gallery-enemy-sprites:hover { transform: none; }

.enemy-sprite-stage {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-evenly;
  padding-bottom: 40px;
  background: var(--bg-card);
}

.enemy-sprite-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.es-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.es-zombie {
  width: 16px;
  height: 24px;
  background-image: url('images/zombie-walk.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(5);
  transform-origin: bottom center;
  animation: zombie-frames 0.7s steps(8) infinite;
}

.es-minion {
  width: 32px;
  height: 32px;
  background-image: url('images/minion-walk.png');
  background-repeat: no-repeat;
  background-position: 0 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  transform: scale(3);
  transform-origin: bottom center;
  animation: minion-frames 0.65s steps(4) infinite;
}


/* gallery inline slider */
.gallery-slider .slider-track {
  display: flex;
  width: 200%;
  height: 100%;
  transition: transform 0.4s ease;
}
.gallery-slider .slider-track img {
  width: 50%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  flex-shrink: 0;
  transition: none;
}
.gallery-slider:hover .slider-track img { transform: none; }

.slider-prev,
.slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.55);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 0.9rem;
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 3px;
  z-index: 2;
  transition: background var(--transition), border-color var(--transition);
  line-height: 1;
}
.slider-prev { left: 8px; }
.slider-next { right: 8px; }
.slider-prev:hover,
.slider-next:hover {
  background: rgba(0,0,0,0.85);
  border-color: var(--green);
}

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 8px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  font-family: var(--font-mono);
}

.gallery-hint {
  margin-top: 16px;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

/* about project */
.proj-desc p {
  font-size: 0.95rem;
  max-width: 680px;
  margin-bottom: 20px;
  line-height: 1.9;
}
.proj-links {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.proj-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.proj-meta span {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* footer */
#footer {
  padding: 32px 64px;
  border-top: 1px solid var(--border-dim);
  background: var(--bg-alt);
}
#footer p {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* lightbox */
.lightbox-media-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
}
.lightbox {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
  text-align: center;
  width: 90vw;
  max-width: 1100px;
}
.lightbox img,
.lightbox video {
  max-width: 85vw;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.lightbox p {
  margin-top: 12px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 4px;
  transition: border-color var(--transition), color var(--transition);
}
.lightbox-close            { position: fixed; top: 20px; right: 20px; padding: 8px 14px; z-index: 1001; }
.lightbox-prev             { top: 50%; left: -60px; transform: translateY(-50%); padding: 12px 16px; }
.lightbox-next             { top: 50%; right: -60px; transform: translateY(-50%); padding: 12px 16px; }
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover       { border-color: var(--green); color: var(--green); }

.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 999;
}

.hidden { display: none !important; }

/* responsive */
@media (max-width: 900px) {
  #sidebar {
    width: 220px;
    transform: translateX(-100%);
    z-index: 400;
  }
  #sidebar.open { transform: translateX(0); }
  #mobile-header { display: flex; }
  #main { margin-left: 0; padding-top: 56px; }

  section { padding: 60px 28px; }
  #hero   { padding: 80px 28px 50px; }

  .hero-inner    { grid-template-columns: 1fr; gap: 40px; }
  .about-layout  { grid-template-columns: 1fr; }
  .about-photo   { max-width: 200px; }

  .gallery-strip {
    margin-left: -28px;
    margin-right: -28px;
    padding-left: 28px;
    padding-right: 28px;
  }
  .gallery-item { width: 280px; }
  #footer { padding: 24px 28px; }
}

@media (max-width: 600px) {
  .hero-title { font-size: clamp(3.5rem, 14vw, 6rem); }
  section     { padding: 50px 20px; }
  #hero       { padding: 80px 20px 40px; }

  .gallery-strip {
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
  }
  .gallery-item { width: 240px; }
  #footer { padding: 20px; }
}