@import url('https://fonts.cdnfonts.com/css/grento');

:root {
  color-scheme: dark;

  --bg: #161616;
  --panel: #1c1c1c;
  --line: #242424;
  --white: #ffffff;
  --white-70: rgba(255, 255, 255, 0.7);
  --white-50: rgba(255, 255, 255, 0.5);
  --white-30: rgba(255, 255, 255, 0.3);
  --white-15: rgba(255, 255, 255, 0.1);

  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --sbw: 272px;
  --sbw-collapsed: 84px;

  --active-bg: rgba(255, 255, 255, 0.07);
  --sb-dur: 380ms;
  --sb-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --spring: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 85%;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  background-color: #161616;
  background-image: repeating-linear-gradient(
    45deg,
    #191919 0px,
    #191919 2px,
    transparent 2px,
    transparent 12px
  );
  color: var(--white);
  font-family: 'Grento', -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

/* Contact page only — tiled material texture under a dark tint, in place
   of the site-wide diagonal-line pattern. */
body.page-contact {
  background-color: #161716;
  background-image: linear-gradient(rgba(22, 23, 22, 0.55), rgba(22, 23, 22, 0.55)),
    url("assets/images/contact-bg-tile.png");
  background-repeat: repeat;
  background-size: 512px 512px;
}

/* Native cross-document view transitions — crossfades between page
   navigations instead of a hard cut, in browsers that support it. */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.45s;
  animation-timing-function: var(--ease);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

/* Sidebar */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sbw);
  z-index: 30;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  background: var(--panel);
  border-right: 1px solid var(--line);
  transition: width var(--sb-dur) var(--spring);
  overflow: visible;
}

.sidebar.collapsed {
  width: var(--sbw-collapsed);
}

/* Applied by a blocking inline script before first paint, so a saved
   collapsed state renders immediately instead of flashing expanded. */
html.sidebar-collapsed-init .sidebar {
  width: var(--sbw-collapsed);
  transition: none;
}

html.sidebar-collapsed-init .sidebar .brand-text,
html.sidebar-collapsed-init .sidebar .nav-label,
html.sidebar-collapsed-init .sidebar .nav-key,
html.sidebar-collapsed-init .sidebar .sidebar-section-label,
html.sidebar-collapsed-init .sidebar .sidebar-footer {
  opacity: 0;
  width: 0;
  margin: 0;
}

html.sidebar-collapsed-init .sidebar .sidebar-top {
  justify-content: center;
  padding: 0;
}

html.sidebar-collapsed-init .sidebar .brand {
  gap: 0;
}

html.sidebar-collapsed-init .sidebar .nav-item {
  justify-content: center;
  gap: 0;
  padding-left: 0;
  padding-right: 0;
}

html.sidebar-collapsed-init .sidebar .collapse-btn {
  position: absolute;
  top: 1.6rem;
  right: -14px;
  transform: rotate(180deg);
}

html.sidebar-collapsed-init .content {
  margin-left: var(--sbw-collapsed);
  transition: none;
}

.sidebar-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding: 0 0.25rem;
  transition: justify-content var(--sb-dur) var(--sb-ease);
}

.sidebar.collapsed .sidebar-top {
  justify-content: center;
  padding: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  transition: gap var(--sb-dur) var(--sb-ease);
}

.sidebar.collapsed .brand {
  gap: 0;
}

.avatar {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3a3a3f, #1c1c1c);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-text {
  min-width: 0;
  width: auto;
  white-space: nowrap;
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--sb-dur) var(--sb-ease), transform var(--sb-dur) var(--sb-ease),
    width var(--sb-dur) var(--sb-ease), margin var(--sb-dur) var(--sb-ease);
}

.sidebar.collapsed .brand-text {
  opacity: 0;
  transform: translateX(6px);
  width: 0;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
}

.brand-name {
  font-size: 0.85rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-tag {
  font-size: 0.75rem;
  color: var(--white-50);
  overflow: hidden;
  text-overflow: ellipsis;
}

.collapse-btn {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--white-70);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: transform var(--sb-dur) var(--spring), background 0.2s ease, color 0.2s ease,
    top var(--sb-dur) var(--spring), right var(--sb-dur) var(--spring);
}

.collapse-btn:hover {
  background: var(--white-15);
  color: var(--white);
  transform: scale(1.1);
}

.collapse-btn:active {
  transform: scale(0.9);
}

.sidebar.collapsed .collapse-btn {
  position: absolute;
  top: 1.6rem;
  right: -14px;
  transform: rotate(180deg);
  background: var(--panel);
}

.sidebar.collapsed .collapse-btn:hover {
  background: var(--white-15);
  transform: rotate(180deg) scale(1.1);
}

.sidebar.collapsed .collapse-btn:active {
  transform: rotate(180deg) scale(0.9);
}

.sidebar-section-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-30);
  padding: 0 0.75rem;
  margin: 1.5rem 0 0.5rem;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.sidebar.collapsed .sidebar-section-label {
  opacity: 0;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.5rem;
  border-radius: 10px;
  color: var(--white-50);
  white-space: nowrap;
  transition: gap var(--sb-dur) var(--sb-ease), justify-content var(--sb-dur) var(--sb-ease),
    padding var(--sb-dur) var(--sb-ease), color 0.15s ease;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  gap: 0;
  padding-left: 0;
  padding-right: 0;
}

.nav-item:hover {
  color: var(--white);
}

.nav-item:active .nav-icon {
  transform: scale(0.9);
}

.nav-item.active {
  color: var(--white);
  font-weight: 600;
}

.nav-icon {
  position: relative;
  flex: none;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  transition: transform 0.15s ease;
}

.nav-icon svg {
  width: 18px;
  height: 18px;
}

.nav-tooltip {
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  transform-origin: left center;
  transform: translateY(-50%) translateX(-8px) scale(0.85);
  background: #202022;
  border: 1px solid var(--line);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  z-index: 50;
}

.sidebar.collapsed .nav-item:hover .nav-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0) scale(1);
}

.nav-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.9rem;
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--sb-dur) var(--sb-ease), transform var(--sb-dur) var(--sb-ease),
    flex var(--sb-dur) var(--sb-ease), width var(--sb-dur) var(--sb-ease);
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  transform: translateX(6px);
  flex: 0 0 0;
  width: 0;
}

.nav-key {
  flex: none;
  min-width: 20px;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.7rem;
  text-align: center;
  color: var(--white-50);
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--sb-dur) var(--sb-ease), transform var(--sb-dur) var(--sb-ease),
    min-width var(--sb-dur) var(--sb-ease), padding var(--sb-dur) var(--sb-ease),
    margin var(--sb-dur) var(--sb-ease), border-color var(--sb-dur) var(--sb-ease);
}

.sidebar.collapsed .nav-key {
  opacity: 0;
  transform: translateX(6px);
  min-width: 0;
  width: 0;
  padding: 0;
  margin: 0;
  border-color: transparent;
  overflow: hidden;
}

.sidebar-footer {
  margin-top: auto;
  padding: 0 0.25rem;
  font-size: 0.7rem;
  color: var(--white-30);
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--sb-dur) var(--sb-ease);
}

.sidebar.collapsed .sidebar-footer {
  opacity: 0;
}

/* Content area — shifted to make room for sidebar */

.content {
  margin-left: var(--sbw);
  transition: margin-left var(--sb-dur) var(--spring);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sidebar.collapsed ~ .content {
  margin-left: var(--sbw-collapsed);
}

/* Home — hero intro */

.hero-page {
  position: relative;
  flex: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 4rem 3.5rem;
}

.hero-visual {
  position: relative;
  flex: none;
  width: 400px;
  height: 400px;
}

/* Static ambient shadow behind the cube — lives on the outer container,
   not the interactive element, so it never moves, resizes, or reshapes
   when the cube rotates or is hovered/dragged. */
.hero-visual::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 65%;
  height: 65%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0) 70%);
  filter: blur(30px);
  pointer-events: none;
}

.cube-viewer {
  position: relative;
  width: 100%;
  height: 100%;
  cursor: grab;
  transition: transform 0.3s var(--spring);
}

.cube-viewer:hover {
  transform: scale(0.99);
}

.cube-viewer.dragging {
  cursor: grabbing;
  transform: scale(0.97);
}

@media (max-width: 900px) {
  .hero-visual {
    display: none;
  }

  .hero-page {
    justify-content: center;
  }
}

.hero-inner {
  flex: 1;
  min-width: 0;
  max-width: 620px;
}

.hero-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white-50);
  margin-bottom: 1rem;
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.1s forwards;
}

.hero-page h1 {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.2s forwards;
}

.hero-sub {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  color: var(--white-50);
  max-width: 480px;
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.32s forwards;
}

.hero-cta {
  margin-top: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 1.5rem;
  border: 1px solid var(--white-30);
  border-radius: 999px;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.35s var(--spring);
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.42s forwards;
}

.hero-cta:hover {
  background: var(--white-15);
  border-color: var(--white-70);
  transform: translateX(4px) scale(1.03);
}

.hero-cta:active {
  transform: translateX(4px) scale(0.97);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s var(--spring);
}

.hero-cta:hover svg {
  transform: translateX(4px);
}

/* Page content (about / contact) */

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 3rem;
  width: 100%;
}

.page h1 {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.1s forwards;
}

.page > p.lede {
  color: var(--white-50);
  font-size: 1.1rem;
  margin-top: -1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.2s forwards;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.25s forwards;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform 0.3s var(--spring), background 0.3s ease, border-color 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--white-30);
}

.gallery-index {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--white-50);
  margin-bottom: 0.35rem;
}

.gallery-title {
  font-size: 1.1rem;
  font-weight: 600;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-content {
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.25s forwards;
}

.about-content p {
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--white-70);
  max-width: 700px;
}

.contact-list {
  border-top: 1px solid var(--line);
  opacity: 0;
  animation: rise-in 0.7s var(--ease) 0.25s forwards;
}

.contact-list .row {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.8rem 1rem;
  margin: 0 -1rem;
  border-bottom: 1px solid var(--line);
  border-radius: 10px;
  transition: background 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.contact-list .row:hover {
  background: var(--white-15);
  padding-left: 1.5rem;
}

.contact-list .row .label {
  color: var(--white-50);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-list .row a {
  font-weight: 600;
  font-size: 1.3rem;
  transition: opacity 0.2s ease;
}

.contact-list .row:hover a {
  opacity: 0.8;
}

/* Footer */

.site-footer {
  text-align: center;
  padding: 3rem;
  color: var(--white-30);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

@media (max-width: 720px) {
  :root {
    --sbw: 240px;
  }
}