:root {
  /* Machina's neon cyan, re-used as the site accent */
  --bs-primary: #00e5ff;
  --bs-primary-rgb: 0, 229, 255;
  --bs-link-color: #0092a3;
  --bs-link-color-rgb: 0, 146, 163;
  --bs-link-hover-color: #006e7a;
  --bs-link-hover-color-rgb: 0, 110, 122;

  --accent: #00e5ff;
  /* raw cyan — glows, badges, decorative fills */
  --accent-dark: #0092a3;
  /* accessible shade — text/links/buttons on white */
  --accent-soft: #e0fbff;

  /* Nexus System's light "brushed titanium" surface set */
  --carbon: #0d0e15;
  --titanium: #f4f5f6;
  --steel: #d9e0e4;
  --ease-silk: cubic-bezier(0.16, 1, 0.3, 1);

  /* Theme-aware tokens — flip in [data-theme="dark"] below.
     --carbon/--titanium/--accent stay fixed brand constants, used
     for chrome that's meant to stay dark regardless of theme
     (footer, ticker, nav overlay close-hover, dark spec card). */
  --surface: #ffffff;
  --surface-2: var(--titanium);
  --ink: var(--carbon);
  --ink-soft: rgba(13, 14, 21, 0.6);
  --ink-faint: rgba(13, 14, 21, 0.4);
  --line: var(--steel);
}

:root[data-theme="dark"] {
  --surface: #14161f;
  --surface-2: #0f1017;
  --ink: #f4f5f6;
  --ink-soft: rgba(244, 245, 246, 0.65);
  --ink-faint: rgba(244, 245, 246, 0.45);
  --line: rgba(244, 245, 246, 0.16);
  color-scheme: dark;
}

.site-footer {
  background: var(--carbon);
}

/* smooth theme-toggle transition for anything that doesn't already define its own */
*,
*::before,
*::after {
  transition: background-color .3s var(--ease-silk), color .3s var(--ease-silk), border-color .3s var(--ease-silk), box-shadow .3s var(--ease-silk);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 300;
  background: var(--surface);
  color: var(--ink);
}

.site-navbar {
  background: var(--surface) !important;
}

/* ---------- theme toggle ("Degenerate mode" = dark) ---------- */
.theme-toggle {
  position: fixed;
  left: 1.25rem;
  bottom: 1.25rem;
  z-index: 1050;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background-color: var(--carbon);
  color: var(--accent);
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform .2s var(--ease-silk), background-color .2s var(--ease-silk), color .2s var(--ease-silk);
}

.theme-toggle:hover {
  transform: scale(1.06);
}

[data-theme="dark"] .theme-toggle {
  background-color: var(--accent);
  color: var(--carbon);
}

@media (max-width: 420px) {
  .theme-toggle {
    left: 1rem;
    bottom: 1rem;
  }
}

[data-theme="dark"] .navbar {
  --bs-navbar-color: rgba(244, 245, 246, 0.75);
  --bs-navbar-hover-color: #ffffff;
  --bs-navbar-active-color: #ffffff;
  --bs-navbar-brand-color: #ffffff;
  --bs-navbar-brand-hover-color: #ffffff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

.text-accent {
  color: var(--accent) !important;
}

.bg-accent {
  background-color: var(--accent) !important;
}

.bg-accent-soft {
  background-color: var(--accent-soft) !important;
}

.btn-accent {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-accent:hover,
.btn-accent:focus {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.btn-outline-accent {
  color: var(--accent-dark);
  border-color: var(--accent);
  background-color: transparent;
}

.btn-outline-accent:hover,
.btn-outline-accent:focus {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- BANNER: Nexus System structure, Machina cyan ---------- */
.banner {
  position: relative;
  min-height: 95vh;
  min-height: 95svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  overflow: hidden;
}

.banner-stage {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 0 24px;
}

.banner-avatar-wrap {
  position: relative;
  width: 250px;
  margin: 0 auto 24px;
}

.banner-avatar-shadow {
  width: 250px;
  height: 250px;
  filter: drop-shadow(0 0 16px rgba(0, 229, 255, 0.55)) drop-shadow(0 14px 24px rgba(13, 14, 21, 0.28));
}

.thought-toggle {
  display: none;
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--carbon);
  border: none;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  padding: 0;
  box-shadow: 0 4px 10px rgba(13, 14, 21, 0.28);
  cursor: pointer;
  z-index: 7;
  animation: thought-toggle-pulse 1.8s ease-in-out infinite;
}

.thought-toggle:hover,
.thought-toggle:focus-visible {
  animation-play-state: paused;
}

@keyframes thought-toggle-pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.15);
  }
}

.chat-bubble {
  position: absolute;
  top: 4px;
  left: calc(100% + 28px);
  width: 210px;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 12px 14px;
  text-align: left;
  box-shadow: 0 8px 20px rgba(13, 14, 21, 0.12);
  z-index: 6;
}

.chat-bubble-head {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-bubble p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink);
}

.chat-bubble-tail {
  position: absolute;
  left: -8px;
  top: 28px;
  width: 14px;
  height: 14px;
  background: var(--surface);
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
}

@media (max-width: 767px) {
  .banner-stage {
    padding-top: 110px;
    padding-bottom: 150px;
  }

  .thought-toggle {
    display: flex;
  }

  .chat-bubble {
    position: static;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
    overflow: hidden;
    opacity: 0;
    transition: opacity .2s var(--ease-silk), max-height .2s var(--ease-silk);
  }

  .chat-bubble.is-open {
    margin: 16px auto 0;
    max-height: 200px;
    padding-top: 12px;
    padding-bottom: 12px;
    border-width: 2px;
    opacity: 1;
  }

  .chat-bubble-tail {
    display: none;
  }
}

.banner-avatar {
  width: 100%;
  height: 100%;
  padding: 8px;
  background: var(--accent);
  clip-path: url(#hexRoundedClip);
}

.banner-avatar-mat {
  width: 100%;
  height: 100%;
  padding: 8px;
  background: var(--surface);
  clip-path: url(#hexRoundedClip);
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.12);
}

.banner-avatar-mat img {
  position: relative;
  left: -14%;
  top: -30%;
  display: block;
  width: 125%;
  height: 140%;
  object-fit: cover;
  clip-path: url(#hexRoundedClip);
}

.banner-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--carbon);
  background: var(--accent);
  display: inline-block;
  padding: 7px 16px;
  margin-bottom: 28px;
}

.banner-title {
  font-family: 'Orbitron', 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.02;
  color: transparent;
  -webkit-text-stroke: 3px var(--accent);
  margin: 0;
}

.banner-title-type::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 0.8em;
  margin-left: 4px;
  background: var(--accent);
  vertical-align: -0.1em;
  animation: title-caret-blink 0.8s step-end infinite;
}

@keyframes title-caret-blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.banner-sub {
  margin: 28px auto 0;
  max-width: 620px;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--ink-soft);
  padding-bottom: 65px;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.banner-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  transition: background-color .2s var(--ease-silk), color .2s var(--ease-silk), border-color .2s var(--ease-silk);
}

.banner-btn-solid {
  background: var(--carbon);
  color: var(--titanium);
  border: 1px solid var(--carbon);
}

.banner-btn-solid:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.banner-btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.banner-btn-outline:hover {
  border-color: var(--accent-dark);
  color: var(--accent-dark);
}

.banner-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 5;
}

.banner-scroll-hint::after {
  content: "";
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--accent-dark), transparent);
  animation: banner-hint-drop 2.2s var(--ease-silk) infinite;
}

@keyframes banner-hint-drop {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }

  55% {
    transform: scaleY(1);
    transform-origin: top;
  }

  56% {
    transform-origin: bottom;
  }

  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* faint engineering grid behind the banner */
.banner-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--steel) 1px, transparent 1px), linear-gradient(90deg, var(--steel) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.4;
  z-index: 1;
}

/* floating translucent glass shapes, cyan-tinted edge (Machina touch) */
.glass-shape {
  position: absolute;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.35);
  border: 3px solid rgba(0, 229, 255, 0.35);
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.12);
  z-index: 2;
}

[data-theme="dark"] .glass-shape {
  background: rgba(13, 14, 21, 0.35);
}

.glass-a {
  width: 220px;
  height: 220px;
  top: 12%;
  left: 8%;
  border-radius: 32px;
  animation: banner-bob-a 9s ease-in-out infinite;
}

.glass-b {
  width: 150px;
  height: 150px;
  bottom: 18%;
  right: 10%;
  border-radius: 50%;
  animation: banner-bob-b 7s ease-in-out infinite;
}

.glass-c {
  width: 110px;
  height: 110px;
  top: 20%;
  right: 22%;
  border-radius: 20px;
  transform: rotate(18deg);
  animation: banner-bob-c 11s ease-in-out infinite;
}

@keyframes banner-bob-a {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(-22px, -44px);
  }
}

@keyframes banner-bob-b {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(18px, 38px);
  }
}

@keyframes banner-bob-c {

  0%,
  100% {
    transform: translate(0, 0) rotate(18deg);
  }

  50% {
    transform: translate(-16px, -32px) rotate(28deg);
  }
}

@media (max-width: 629px) {
  .glass-shape {
    display: none;
  }
}

/* ---------- reusable section heading ---------- */
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

.section-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 40px;
}

/* ---------- GITHUB ACTIVITY ---------- */
.github-section {
  padding: 100px 24px;
  background: var(--surface);
  text-align: center;
}

/* Machina reference: left-aligned "eyebrow" dash-label + uppercase section title */
.github-section .section-eyebrow,
.github-section .section-heading {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.github-section .section-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
}

.github-section .section-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent-dark);
}

.github-section .section-heading {
  text-transform: uppercase;
}

.github-chart-card {
  max-width: 1000px;
  margin: 0 auto 32px;
  padding: 32px;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.12);
  overflow-x: auto;
}

.github-chart-img {
  width: 100%;
  min-width: 640px;
  height: auto;
  display: block;
}

.page-ticker {
  background: var(--carbon);
  color: var(--titanium);
  overflow: hidden;
  padding: 22px 0;
  border-top: 1px solid var(--carbon);
  border-bottom: 1px solid var(--carbon);
}

[data-theme="dark"] .page-ticker {
  border-top: 1px solid rgba(0, 229, 255, 0.25);
  border-bottom: 1px solid rgba(0, 229, 255, 0.25);
}

.page-ticker__track {
  display: flex;
  width: max-content;
  animation: page-ticker-scroll 24s linear infinite;
}

.page-ticker__item {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.page-ticker__item::after {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--accent);
  flex-shrink: 0;
}

.page-ticker__item--highlight {
  color: var(--carbon);
  background: var(--accent);
  padding: 4px 16px;
  border-radius: 6px;
}

.page-ticker__item--highlight::after {
  background: var(--carbon);
}

@keyframes page-ticker-scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.mobile-quicknav {
  display: none;
}

@media (max-width: 767px) {
  html {
    scroll-behavior: smooth;
  }

  .mobile-quicknav {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 500;
  }

  .mobile-quicknav-tab {
    writing-mode: vertical-rl;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--titanium);
    background: var(--accent-dark);
    padding: 14px 8px 14px 8px;
    border-radius: 8px 0 0 8px;
    margin-bottom: 4px;
    box-shadow: -2px 2px 8px rgba(0, 0, 0, 0.25);
    transition: background-color .2s var(--ease-silk), color .2s var(--ease-silk), padding-right .2s var(--ease-silk);
  }

  .mobile-quicknav-tab.is-active {
    background: var(--accent);
    color: var(--carbon);
    padding-right: 18px;
  }
}

/* ---------- PROJECTS (Compression template: expanding panel track) ---------- */
.projects-section {
  padding: 100px 0 0;
  background: var(--surface-2);
  overflow: hidden;
}

.projects-section .section-eyebrow,
.projects-section .section-heading {
  padding: 0 24px;
  text-align: left;
}

.projects-section .section-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--accent-dark);
}

.projects-section .section-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}

.projects-section .section-heading {
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 60px;
}

/* ---------- spec bento grid (structure: Axis Industrial bento cards) ---------- */
.spec-bento {
  background: var(--surface-2);
  padding: 32px 24px;
}

.spec-bento--flush {
  padding: 0;
}

.spec-bento__header {
  max-width: 1440px;
  margin: 0 auto 40px;
}

.spec-bento__header .section-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--accent-dark);
}

.spec-bento__header .section-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}

.spec-bento__header .section-heading {
  text-transform: uppercase;
  color: var(--ink);
  margin: 10px 0 0;
}

.spec-bento__grid {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 20px;
}

.spec-bento__grid--full {
  max-width: none;
}

.spec-card {
  border-left: 6px solid var(--ink);
  border-bottom: 9px solid var(--ink);
  padding: clamp(1.2rem, 2vw, 2rem);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.spec-card--dark {
  background: var(--carbon);
  color: var(--titanium);
  border-left-color: var(--accent);
  border-bottom-color: var(--accent);
}

.spec-card--accent {
  background: var(--accent);
  color: var(--carbon);
  border-left-color: var(--carbon);
  border-bottom-color: var(--carbon);
}

.spec-card--wide {
  grid-column: span 8;
}

.spec-card--mid {
  grid-column: span 6;
}

.spec-card--narrow {
  grid-column: span 4;
}

.spec-card--tall {
  grid-row: span 2;
}

.spec-card--full {
  grid-column: 1 / -1;
}

.spec-card--row {
  flex-direction: row;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.5rem);
}

.spec-card--row .spec-card__icon {
  margin-bottom: 0;
  flex: 0 0 auto;
  font-size: clamp(40px, 5vw, 64px);
}

.spec-card--row .spec-card__body {
  flex: 1 1 auto;
  min-width: 0;
}

.spec-card__number {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.35;
}

.spec-card__icon {
  font-size: 28px;
  color: var(--accent);
  opacity: 0.9;
  margin-bottom: 4px;
}

.spec-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-size: clamp(1.1rem, 1.6vw, 1.5rem);
  margin: 10px 0 8px;
}

.spec-card__text {
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.6;
}

.spec-card__stat {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
  align-self: flex-end;
}

.spec-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 60px;
  margin-top: 16px;
}

.spec-bar-chart span {
  flex: 1;
  background: var(--carbon);
  opacity: 0.15;
  border-radius: 2px 2px 0 0;
}

.spec-card--dark .spec-bar-chart span {
  background: var(--accent);
  opacity: 0.7;
}

@media (max-width: 1024px) {

  .spec-card--wide,
  .spec-card--mid,
  .spec-card--narrow {
    grid-column: span 6;
  }
}

@media (max-width: 767px) {

  .spec-card--wide,
  .spec-card--mid,
  .spec-card--narrow {
    grid-column: 1 / -1;
  }

  .spec-card--tall {
    grid-row: span 1;
  }

  .spec-card--row {
    flex-direction: column;
    align-items: flex-start;
  }
}

.track {
  display: flex;
  width: 100%;
  height: 80vh;
  max-height: 960px;
  overflow: hidden;
}

.panel {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-right: 1px solid rgba(0, 0, 0, 0.6);
  transition: flex 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.panel:last-child {
  border-right: none;
}

.panel__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  background: linear-gradient(160deg, var(--carbon), #000000);
}

.panel__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: brightness(0.45) grayscale(60%);
  transform: scale(1.05);
  transition: filter 0.8s cubic-bezier(0.77, 0, 0.175, 1), transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.panel:hover .panel__bg img {
  filter: brightness(0.85) grayscale(0%);
  transform: scale(1);
}

.panel__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 14, 21, 0.55) 0%, rgba(0, 229, 255, 0.08) 40%, rgba(13, 14, 21, 0.15) 60%, rgba(13, 14, 21, 0.75) 100%);
}

.panel__marker {
  position: absolute;
  top: 42px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.panel__marker i {
  font-size: 18px;
  color: var(--accent);
}

.panel__marker-favicon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  border-radius: 5px;
}

.panel__marker span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--titanium);
  max-width: 100px;
  line-height: 1.35;
}

.panel:hover .panel__marker {
  opacity: 0;
}

.spine {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%) rotate(180deg);
  z-index: 10;
  writing-mode: vertical-rl;
  font-family: 'Anton', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  text-transform: uppercase;
  color: var(--titanium);
  letter-spacing: 0.05em;
  line-height: 1;
  white-space: nowrap;
  margin: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.77, 0, 0.175, 1), transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.details {
  position: absolute;
  bottom: 48px;
  left: 48px;
  right: 48px;
  z-index: 10;
  opacity: 0;
  transform: translateX(-30px);
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.77, 0, 0.175, 1) 0.15s, transform 0.5s cubic-bezier(0.77, 0, 0.175, 1) 0.15s;
}

.details__category {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.details__category::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.details__status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(244, 245, 246, 0.55);
  border: 1px solid rgba(244, 245, 246, 0.3);
  border-radius: 999px;
  padding: 2px 10px;
}

.details__title {
  font-family: 'Anton', sans-serif;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  text-transform: uppercase;
  color: var(--titanium);
  line-height: 0.95;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.details__involvement {
  max-width: 220px;
  margin-bottom: 18px;
}

.details__involvement-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 245, 246, 0.7);
  margin-bottom: 6px;
}

.details__involvement-bar {
  width: 100%;
  height: 4px;
  background: rgba(244, 245, 246, 0.15);
  border-radius: 999px;
  overflow: hidden;
}

.details__involvement-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.details__description {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.7;
  color: rgba(244, 245, 246, 0.6);
  max-width: 420px;
}

.details__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
}

.details__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease-silk), border-color 0.2s var(--ease-silk);
}

.details__link:hover,
.details__link:focus-visible {
  color: var(--titanium);
  border-color: var(--titanium);
}

/* compression engine — hover states */
.track:hover>.panel {
  flex: 1;
}

.track>.panel:hover {
  flex: 6;
}

.panel:hover .spine {
  opacity: 0.2;
  transform: translateX(-50%) rotate(180deg) translateY(-20px);
}

.panel:hover .details {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

@media (max-width: 767px) {
  .track {
    flex-direction: column;
    height: auto;
    max-height: 100%;
  }

  .panel {
    flex: none !important;
    width: 100%;
    height: 60vh;
    border-right: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.6);
  }

  .panel:last-child {
    border-bottom: none;
  }

  .panel__bg img {
    filter: brightness(0.5) grayscale(0%) !important;
    transform: scale(1) !important;
  }

  .panel__bg::after {
    background: linear-gradient(180deg, rgba(13, 14, 21, 0.7) 0%, rgba(0, 229, 255, 0.06) 35%, rgba(13, 14, 21, 0.4) 55%, rgba(13, 14, 21, 0.9) 100%);
  }

  .spine {
    display: none;
  }

  .panel__marker span {
    display: none;
  }

  .details {
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
    bottom: 24px;
    left: 24px;
    right: 24px;
  }

  .details__title {
    font-size: 1.8rem;
  }

  .details__description {
    font-size: 0.72rem;
    max-width: none;
  }
}

.projects-view-all {
  text-align: center;
  padding: 48px 24px;
  background: var(--surface-2);
}

.section-title {
  font-weight: 700;
  margin-bottom: 2rem;
}

.timeline-item {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin-bottom: 2.5rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 4px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}

.skill-badge {
  display: inline-block;
  padding: .4rem .9rem;
  margin: .25rem .25rem .25rem 0;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: .9rem;
  font-weight: 500;
}

#github-card .avatar {
  width: 64px;
  height: 64px;
  object-fit: cover;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: var(--accent-dark) !important;
}

.brand-title {
  font-family: 'Orbitron', 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  display: block;
  object-fit: contain;
}

.nav-menu-trigger {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 2px solid var(--accent);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s var(--ease-silk), color .2s var(--ease-silk);
}

.nav-menu-trigger i {
  font-size: 16px;
}

.nav-menu-trigger:hover,
.nav-menu-trigger:focus-visible {
  background: var(--accent);
  color: var(--carbon);
}

/* ---------- fullscreen menu overlay ---------- */
body.menu-open {
  overflow: hidden;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  color: var(--ink);
  pointer-events: none;
}

.menu-overlay-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--ink);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color .2s var(--ease-silk), color .2s var(--ease-silk);
}

.menu-overlay-close:hover,
.menu-overlay-close:focus-visible {
  background: var(--accent);
  color: var(--carbon);
}

.menu-overlay-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 48px;
  max-width: 640px;
  padding: 0 24px;
  text-align: center;
}

.menu-overlay-item {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: color .2s var(--ease-silk), transform .2s var(--ease-silk);
}

.menu-overlay-item i {
  color: var(--accent);
  font-size: 44px;
}

.menu-overlay-item:hover,
.menu-overlay-item:focus-visible {
  color: var(--accent-dark);
  transform: translateY(-4px);
}

@media (max-width: 767px) {
  .menu-overlay-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}