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

:root {
  --bg: #0d0d0d;
  --bg-alt: #111111;
  --surface: #161616;
  --surface-soft: #1e1e1e;
  --line: #282828;
  --text: #f6f6f6;
  --muted: #c9c9c9;
  --primary: #ff4d00;
  --accent: #ff8c00;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow: 0 28px 48px rgba(0, 0, 0, 0.45);
  --font: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  overflow-x: hidden;
  cursor: none;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

/* -------------------------------------------------------------
   Custom cursor + progress
------------------------------------------------------------- */
/* Custom cursor + progress inherited from shared-styles.css */


/* -------------------------------------------------------------
   Hero
------------------------------------------------------------- */
.project-hero {
  position: relative;
  padding: 120px 0 88px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  margin-top: 12px;
  color: var(--primary);
  line-height: 1.05;
}

.hero-typed {
  margin-top: 12px;
  font-size: clamp(1rem, 2.8vw, 1.3rem);
  color: var(--muted);
}

.hero-typed .static {
  opacity: 0.7;
}

#typed-text::after {
  content: '|';
  display: inline-block;
  margin-left: 0.12em;
  animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-lead {
  margin-top: 18px;
  font-size: 1.1rem;
  color: #fff;
}

.hero-summary {
  margin-top: 16px;
  color: var(--muted);
}

.project-meta {
  list-style: none;
  margin: 28px 0 22px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.project-meta .label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 6px;
}

.project-meta .value {
  font-weight: 600;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-tags span {
  padding: 6px 14px;
  border-radius: 0;
  background: rgba(255, 77, 0, 0.12);
  border: 1px solid rgba(255, 77, 0, 0.25);
  color: var(--primary);
  font-size: 0.82rem;
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------
   Buttons
------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  background: rgba(255, 77, 0, 0.18);
  border-color: rgba(255, 77, 0, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 77, 0, 0.18);
  text-decoration: none;
}

.btn.gold {
  background: linear-gradient(45deg, var(--primary), var(--accent));
  color: #151515;
  border-color: transparent;
  box-shadow: 0 15px 30px rgba(255, 140, 0, 0.25);
}

.btn.gold:hover,
.btn.gold:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(255, 140, 0, 0.35);
}

/* -------------------------------------------------------------
   Layout
------------------------------------------------------------- */
.project-page {
  padding: 72px 0 100px;
}

.project-layout {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}

.media-column,
.content-column {
  display: grid;
  gap: 28px;
}

.card {
  background: var(--surface);
  border-radius: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-head {
  padding: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-head p {
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.h2 {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.section-pad {
  padding: 24px 24px 30px;
}

/* -------------------------------------------------------------
   Gallery
------------------------------------------------------------- */
.gallery-shell {
  position: relative;
  padding: 0 50px 26px;
}

.gallery-viewport {
  overflow: hidden;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--surface-soft);
}

.gallery-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.21, 0.84, 0.28, 1);
}

.gallery-item {
  min-width: 100%;
  display: flex;
  flex-direction: column;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 16px 20px 14px;
  font-size: 0.9rem;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.gallery-nav {
  position: absolute;
  top: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.55);
  color: var(--text);
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  cursor: pointer;
  transition: background 0.2s ease, border 0.2s ease;
}

.gallery-nav:hover {
  background: rgba(255, 77, 0, 0.2);
  border-color: rgba(255, 77, 0, 0.45);
}

.gallery-nav.prev {
  left: 14px;
}

.gallery-nav.next {
  right: 14px;
}

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding-bottom: 18px;
}

.gallery-dots button {
  width: 10px;
  height: 10px;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, border 0.2s ease;
}

.gallery-dots button[aria-current="true"] {
  background: var(--primary);
  border-color: transparent;
}

/* -------------------------------------------------------------
   Stats & Highlights
------------------------------------------------------------- */
.stats-list {
  display: grid;
  gap: 14px;
  padding: 26px;
}

.stat {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.stat dt {
  color: var(--muted);
  font-size: 0.88rem;
}

.stat dd {
  font-weight: 600;
  color: var(--text);
}

.highlight-card .section-pad {
  padding-top: 22px;
}

.highlight-list {
  margin-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

/* -------------------------------------------------------------
   Narrative
------------------------------------------------------------- */
.narrative-card h3 {
  color: var(--primary);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.write-section+.write-section {
  margin-top: 24px;
}

.narrative-card p {
  color: var(--muted);
}

.narrative-card ul {
  margin-top: 10px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.equations {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.equations pre {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  padding: 14px 16px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
}

/* -------------------------------------------------------------
   Code Card
------------------------------------------------------------- */
.code-card {
  display: flex;
  flex-direction: column;
}

.code-tabs {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.code-tab {
  padding: 8px 14px;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.code-tab.active {
  background: rgba(255, 77, 0, 0.18);
  color: var(--text);
  border-color: rgba(255, 77, 0, 0.4);
}

.code-toolbar {
  padding: 16px 24px 0;
  display: flex;
  justify-content: flex-end;
}

.code-pane {
  display: none;
  padding: 0 24px 30px;
}

.code-pane.active {
  display: block;
}

pre.code {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  padding: 16px;
  overflow-x: auto;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* -------------------------------------------------------------
   Back to top & reveal
------------------------------------------------------------- */
/* back-to-top: inherits from shared-styles.css */

[data-fade] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.aos-animate {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* -------------------------------------------------------------
   Responsive tweaks
------------------------------------------------------------- */
@media (max-width: 1080px) {
  .project-layout {
    grid-template-columns: 1fr;
  }

  .hero-content {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .project-hero {
    padding-top: 96px;
    padding-bottom: 72px;
  }

  .gallery-shell {
    padding: 0 36px 24px;
  }

  .card-head {
    padding: 22px;
  }

  .section-pad {
    padding: 22px 22px 28px;
  }
}

@media (max-width: 540px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .gallery-shell {
    padding: 0 28px 22px;
  }

  .gallery-item img {
    aspect-ratio: 3 / 2;
  }

  .btn {
    width: 100%;
  }
}

/* -------------------------------------------------------------
   Migrated from Inline Styles (Project8.html)
------------------------------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

.stats-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.stat-item {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: 0;
  /* Added radius for consistency */
}

.stat-item dt {
  color: var(--accent-color);
  font-family: var(--font-tech);
  font-size: 0.8rem;
  margin-bottom: 4px;
  /* var(--spacing-xs) fallback */
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-item dd {
  color: var(--text-main);
  font-size: 1rem;
  margin: 0;
  font-weight: 600;
}

.equation-block {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 77, 0, 0.3);
  border-radius: 0;
  padding: 16px 20px;
  margin-top: 10px;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text);
}

.equation-block code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.source-code {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 77, 0, 0.3);
  border-radius: 0;
  padding: 20px 22px;
  margin-top: 10px;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text);
}

.source-code code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.source-code .keyword {
  color: #ff79c6;
}

.source-code .function {
  color: var(--accent, #ff8c00);
}

.source-code .comment {
  color: #6272a4;
}

.source-code .number {
  color: #bd93f9;
}

.project-writeup code,
.technical-specs code {
  background: rgba(255, 77, 0, 0.1);
  border: 1px solid rgba(255, 77, 0, 0.2);
  border-radius: 0;
  padding: 2px 6px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.88em;
  color: var(--primary);
}

.technical-specs h4 {
  color: var(--accent, #ff8c00);
  font-size: 0.95rem;
  margin-top: 18px;
  margin-bottom: 6px;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.04em;
}

.code-block .keyword {
  color: #ff79c6;
}

.code-block .function {
  color: var(--accent-color);
}

.code-block .comment {
  color: #6272a4;
}

.code-block .number {
  color: #bd93f9;
}

.equations {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 0;
}

.equations h4 {
  color: var(--accent-color);
  margin-bottom: 8px;
  /* var(--spacing-sm) fallback */
  font-size: 0.9rem;
}

.equations pre {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 8px 0;
}

.narrative-section p,
.project-writeup p,
.technical-specs p {
  color: var(--text);
  line-height: 1.7;
}

.narrative-section h3,
.project-writeup h3,
.technical-specs h3,
.key-features h3 {
  color: var(--accent-color);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.narrative-section ul,
.technical-specs ul,
.key-features ul {
  list-style: none;
  padding: 0;
}

.narrative-section li,
.technical-specs li,
.key-features li {
  color: var(--text);
  margin-bottom: 8px;
  /* var(--spacing-sm) */
  padding-left: 20px;
  /* var(--spacing-md) */
  position: relative;
}

.narrative-section li::before,
.technical-specs li::before,
.key-features li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-color);
}