/* StaggeredMenu — ported from updn.pub (vanilla JS version) */

/* ===== Wrapper (fixed overlay container) ===== */
.staggered-menu-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 200;
}

/* ===== Overlay ===== */
.sm-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: auto;
  z-index: 5;
  display: none;
}

.staggered-menu-wrapper[data-open] .sm-overlay {
  display: block;
}

/* ===== Fixed Header ===== */
.staggered-menu-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  pointer-events: none;
  z-index: 20;
  box-sizing: border-box;
}

.staggered-menu-header > * {
  pointer-events: auto;
}

/* ===== Logo ===== */
.sm-logo {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-decoration: none;
  position: relative;
}

.sm-logo-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

.sm-logo-blue,
.sm-logo-color {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.sm-logo-blue { opacity: 1; }
.sm-logo-color { opacity: 0; }

.sm-logo:hover .sm-logo-blue { opacity: 0; }
.sm-logo:hover .sm-logo-color { opacity: 1; }

.sm-logo-text {
  position: absolute;
  top: 8px;
  left: 70px;
  white-space: nowrap;
}

.sm-logo-text .glitch-wrapper {
  font-size: var(--font-size-sm) !important;
}

/* ===== Hide header background when menu is open ===== */
.staggered-menu-wrapper[data-open] .staggered-menu-header {
  background: transparent !important;
}

.staggered-menu-wrapper[data-open] .sm-toggle {
  background: transparent;
}

/* ===== Transparent Header (home page) ===== */
.staggered-menu-header.transparent {
  background: transparent;
}

.staggered-menu-header.transparent .sm-toggle {
  background: transparent;
}

/* ===== Toggle Button ===== */
.sm-header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sm-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--color-bg);
  border: none;
  cursor: pointer;
  color: var(--color-text);
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.sm-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

html[data-theme="dark"] .sm-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.sm-toggle-text {
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
}

/* ===== + / x Icon ===== */
.sm-icon {
  position: relative;
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.sm-icon-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.sm-icon-v {
  transform: translate(-50%, -50%) rotate(90deg);
}

/* ===== Pre-layers ===== */
.sm-prelayers {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: clamp(300px, 40vw, 550px);
  pointer-events: none;
  z-index: 8;
}

[data-position='left'] .sm-prelayers {
  right: auto;
  left: 0;
}

.sm-prelayer {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100%;
}

/* ===== Main Panel ===== */
.staggered-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(300px, 40vw, 550px);
  height: 100%;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: 6rem 2rem 2rem 2rem;
  overflow-y: auto;
  z-index: 10;
  pointer-events: auto;
}

[data-position='left'] .staggered-menu-panel {
  right: auto;
  left: 0;
}

/* ===== Panel Content ===== */
.sm-panel-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sm-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
}

.sm-panel-item {
  position: relative;
  display: inline-block;
  line-height: 1;
  padding-right: 2em;
  width: fit-content;
}

.sm-panel-link {
  display: inline-block;
  color: var(--color-text);
  font-weight: 600;
  font-size: 3rem;
  text-decoration: none;
  line-height: 1;
  letter-spacing: -2px;
  text-transform: uppercase;
  transition: color 0.25s;
}

.sm-panel-link:hover {
  color: var(--color-accent);
}

.sm-panel-itemWrap {
  position: relative;
  overflow: hidden;
  display: inline-block;
  line-height: 1;
}

.sm-panel-itemLabel {
  display: inline-block;
  will-change: transform;
  transform-origin: 50% 100%;
}

/* ===== Numbering ===== */
.sm-panel-list[data-numbering] {
  counter-reset: smItem;
}

.sm-panel-list[data-numbering] .sm-panel-item::after {
  counter-increment: smItem;
  content: counter(smItem, decimal-leading-zero);
  position: absolute;
  top: 0.1em;
  left: auto; right: 0;
  font-size: 18px;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0;
  pointer-events: none;
  user-select: none;
  opacity: var(--sm-num-opacity, 0);
}

/* ===== Prevent Flash ===== */
.staggered-menu-panel,
.sm-prelayer {
  visibility: hidden;
}
.staggered-menu-wrapper[data-open] .staggered-menu-panel,
.staggered-menu-wrapper[data-open] .sm-prelayer {
  visibility: visible;
}

/* ===== Mobile Fullscreen ===== */
@media (max-width: 768px) {
  .sm-prelayers,
  .staggered-menu-panel {
    width: 100%;
  }
}

/* ===== Responsive Header ===== */
@media (min-width: 640px) {
  .staggered-menu-header {
    padding: 0.5rem 1.5rem;
  }
  .sm-logo-wrap {
    width: 72px;
    height: 72px;
  }
  .sm-logo-text {
    top: 10px;
    left: 78px;
  }
  .sm-logo-text .glitch-wrapper {
    font-size: 0.9rem !important;
  }
}

@media (min-width: 1024px) {
  .staggered-menu-header {
    padding: 0.75rem 2rem;
  }
  .sm-logo-wrap {
    width: 80px;
    height: 80px;
  }
  .sm-logo-text {
    top: 12px;
    left: 86px;
  }
  .sm-logo-text .glitch-wrapper {
    font-size: 1rem !important;
  }
}

/* ===== GlitchText ===== */
.glitch-wrapper {
  display: inline-block;
  position: relative;
}

.glitch-text {
  position: relative;
  display: inline-block;
  font-weight: 700;
  color: var(--color-accent);
  user-select: none;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.glitch-text::before {
  color: #00ffff;
  z-index: -1;
}

.glitch-text::after {
  color: #ff00ff;
  z-index: -1;
}

html[data-theme="dark"] .glitch-text::before {
  color: #00ffff;
}

html[data-theme="dark"] .glitch-text::after {
  color: #ff3366;
}

.glitch-text.glitch-active::before,
.glitch-text.glitch-active::after {
  opacity: 0.9;
}

.glitch-text.glitch-active::before {
  animation: glitch-cyan 0.3s infinite linear alternate-reverse;
}

.glitch-text.glitch-active::after {
  animation: glitch-magenta 0.3s infinite linear alternate-reverse;
  animation-delay: 0.15s;
}

.glitch-text.glitch-active {
  animation: glitch-skew 0.3s infinite linear alternate-reverse;
}

@keyframes glitch-cyan {
  0% { transform: translate(0); clip-path: inset(0 0 0 0); }
  20% { transform: translate(-3px, 1px); clip-path: inset(10% 0 60% 0); }
  40% { transform: translate(-2px, -1px); clip-path: inset(40% 0 20% 0); }
  60% { transform: translate(2px, 1px); clip-path: inset(70% 0 10% 0); }
  80% { transform: translate(3px, -1px); clip-path: inset(20% 0 50% 0); }
  100% { transform: translate(0); clip-path: inset(0 0 0 0); }
}

@keyframes glitch-magenta {
  0% { transform: translate(0); clip-path: inset(0 0 0 0); }
  20% { transform: translate(3px, -1px); clip-path: inset(50% 0 30% 0); }
  40% { transform: translate(2px, 1px); clip-path: inset(20% 0 60% 0); }
  60% { transform: translate(-2px, -1px); clip-path: inset(80% 0 5% 0); }
  80% { transform: translate(-3px, 1px); clip-path: inset(10% 0 70% 0); }
  100% { transform: translate(0); clip-path: inset(0 0 0 0); }
}

@keyframes glitch-skew {
  0%, 30%, 60%, 100% { transform: skew(0deg); }
  10%, 70% { transform: skew(-2deg); }
  20%, 50%, 90% { transform: skew(1deg); }
  40%, 80% { transform: skew(-1deg); }
}

@media (max-width: 640px) {
  @keyframes glitch-cyan {
    0%, 100% { transform: translate(0); clip-path: inset(0 0 0 0); }
    50% { transform: translate(-2px, 0.5px); clip-path: inset(30% 0 30% 0); }
  }
  @keyframes glitch-magenta {
    0%, 100% { transform: translate(0); clip-path: inset(0 0 0 0); }
    50% { transform: translate(2px, -0.5px); clip-path: inset(50% 0 20% 0); }
  }
}

@media (prefers-reduced-motion: reduce) {
  .glitch-text.glitch-active,
  .glitch-text.glitch-active::before,
  .glitch-text.glitch-active::after {
    animation: none;
  }
  .glitch-text.glitch-active::before {
    transform: translate(-2px, 0);
    opacity: 0.7;
  }
  .glitch-text.glitch-active::after {
    transform: translate(2px, 0);
    opacity: 0.7;
  }
}