@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=DM+Mono:wght@300;400&family=DM+Sans:wght@300;400&display=swap');

:root {
  --bg:       #e8e0d9;
  --bg-light: #ddd4cb;
  --bg-card:  #d0c5bb;
  --fg:       #1e1b1b;
  --fg-muted: #3a3333;
  --cream:    #f5f0eb;
  --accent:   #1e1b1b;
  --serif:    'Playfair Display', serif;
  --mono:     'DM Mono', monospace;
  --sans:     'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  overflow-x: hidden;
  max-width: 1700px;
  margin: 0 auto;
}

/* Grain */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 3rem;
  background: #1e1e1c;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--cream);
  text-decoration: none;
  font-weight: 400;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  flex-shrink: 0;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--cream);
  text-decoration: none;
  opacity: 0.6;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: opacity 0.2s, border-color 0.2s;
}
.nav-links a:hover { opacity: 1; border-bottom-color: rgba(240,232,226,0.5); }
.nav-cv { border: 1px solid rgba(240,232,226,0.35) !important; padding: 0.3rem 0.8rem !important; border-bottom: 1px solid rgba(240,232,226,0.35) !important; opacity: 0.8 !important; }
.nav-cv:hover { opacity: 1 !important; border-color: rgba(240,232,226,0.8) !important; }

/* HERO */
.hero {
  padding: 7rem 3rem 3.5rem;
  position: relative;
  min-height: 44vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: #1e1e1c;
}

h1 {
  font-family: var(--serif);
  font-size: clamp(5rem, 14vw, 13rem);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.02em;
  color: var(--cream);
  opacity: 0;
  animation: fadeUp 0.9s ease forwards 0.1s;
}

.hero-desc {
  position: static;
  max-width: 480px;
  font-family: var(--sans);
  font-size: 1.6rem;
  line-height: 1.75;
  color: var(--cream);
  opacity: 0;
  margin-top: 1.5rem;
  animation: fadeUp 0.9s ease forwards 0.4s;
}

/* SECTION LABEL */
.section-label {
  font-family: var(--mono);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  opacity: 0.85;
  margin-bottom: 2rem;
  display: block;
  font-weight: 400;
}

/* TOOLS SECTION */
.tools {
  padding: 5rem 3rem;
  border-top: 1px solid rgba(26,17,24,0.15);
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.tool-card {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.tool-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.tool-card:hover video { transform: scale(1.03); }

.tool-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(26,17,24,0.3);
  text-transform: lowercase;
}

.tool-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,17,24,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
}

.tool-card:hover .tool-card-overlay { opacity: 1; }

.tool-card-name {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cream);
  display: block;
  transform: translateY(8px);
  transition: transform 0.4s ease;
}

.tool-card-sub {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(240,232,226,0.8);
  display: block;
  margin-top: 0.4rem;
  transform: translateY(8px);
  transition: transform 0.4s ease 0.05s;
}

.tool-card:hover .tool-card-name,
.tool-card:hover .tool-card-sub { transform: translateY(0); }

.tool-arrow {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(240,232,226,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s, transform 0.3s;
}
.tool-card:hover .tool-arrow { opacity: 1; transform: scale(1); }
.tool-arrow svg { fill: var(--cream); }

/* PROJECTS SECTION */
.projects {
  padding: 5rem 3rem;
  border-top: 1px solid rgba(26,17,24,0.15);
}

.project-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(26,17,24,0.1);
  cursor: pointer;
}

.project-row:first-of-type { border-top: 1px solid rgba(26,17,24,0.1); }

.project-row:nth-child(even) { grid-template-columns: 1.6fr 1fr; }
.project-row:nth-child(even) .project-thumb { order: 2; }
.project-row:nth-child(even) .project-info  { order: 1; }

.project-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  position: relative;
}

.project-thumb-inner {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: rgba(26,17,24,0.25);
  transition: transform 0.6s ease;
}

.project-row:hover .project-thumb-inner { transform: scale(1.03); }

.project-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26,17,24,0.07);
  opacity: 0;
  transition: opacity 0.3s;
}
.project-row:hover .project-thumb::after { opacity: 1; }

.project-info { padding: 0; }

.project-title {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
  display: block;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.project-category {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  opacity: 0.6;
  display: block;
  margin-bottom: 1rem;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.project-meta-item {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  opacity: 0.65;
  line-height: 1.6;
}

.project-meta-item strong {
  opacity: 1;
  color: var(--fg);
  font-weight: 700;
}

.project-contributions {
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(26,17,24,0.12);
  margin-bottom: 1rem;
}

.project-contributions-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--fg);
  opacity: 0.4;
  display: block;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  font-weight: 700;
  transition: opacity 0.2s;
}

.project-contributions-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-contribution-pill {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fg);
  background: rgba(26,17,24,0.07);
  border: 1px solid rgba(26,17,24,0.25);
  padding: 0.3rem 0.75rem;
  opacity: 0.55;
  transition: opacity 0.2s, background 0.2s, border-color 0.2s;
}
.project-row:hover .project-contributions-label { opacity: 0.85; }
.project-row:hover .project-contribution-pill {
  opacity: 1;
  background: rgba(26,17,24,0.12);
  border-color: rgba(26,17,24,0.5);
}

.project-link-hint {
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  opacity: 0.45;
  display: inline-block;
  margin-top: 1.2rem;
  transition: opacity 0.2s;
}
.project-row:hover .project-link-hint { opacity: 1; }

/* OTHER PROJECTS */
.other-project-card .project-contributions-label { opacity: 0.85; }
.other-project-card .project-contribution-pill {
  opacity: 1;
  background: rgba(26,17,24,0.12);
  border-color: rgba(26,17,24,0.5);
  font-size: 0.88rem;
  padding: 0.35rem 0.9rem;
}

.other-projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.other-project-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.other-project-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  position: relative;
}

.other-project-info { padding: 0; }

/* FOOTER */
footer {
  padding: 4rem 3rem;
  border-top: 1px solid rgba(26,17,24,0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-name {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  text-decoration: none;
  opacity: 0.55;
  transition: opacity 0.2s;
}
.footer-links a:hover { opacity: 1; }

.footer-copy {
  font-family: var(--mono);
  font-size: 0.6rem;
  opacity: 0.3;
  letter-spacing: 0.08em;
}

/* ABOUT PAGE */
.about-page {
  padding: 10rem 3rem 6rem;
  max-width: 700px;
}

.about-page h2 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 2rem;
  color: var(--cream);
  mix-blend-mode: overlay;
}

.about-page p {
  font-size: 0.85rem;
  line-height: 1.9;
  opacity: 0.75;
  margin-bottom: 1.2rem;
}

/* CONTACT PAGE */
.contact-page { padding: 10rem 3rem 6rem; }

.contact-page h2 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 3rem;
  color: var(--cream);
  mix-blend-mode: overlay;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid rgba(26,17,24,0.15);
  padding: 1.2rem 0;
  transition: opacity 0.2s;
}
.contact-link:hover { opacity: 0.6; }
.contact-link:last-child { border-bottom: 1px solid rgba(26,17,24,0.15); }

/* BACK BUTTON */
.back-btn {
  font-family: var(--mono);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  color: var(--fg);
  text-decoration: none;
  opacity: 0.5;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  cursor: pointer;
  background: none;
  border: none;
  transition: opacity 0.2s;
}
.back-btn:hover { opacity: 1; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* TOOL PAGE */
.tool-page {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.tp-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  margin-bottom: 0;
}

.tp-video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: rgba(26,17,24,0.25);
  background: var(--bg-card);
  aspect-ratio: 16/9;
}

.tp-hero-title {
  position: absolute;
  bottom: 2rem;
  left: 3rem;
}

.tp-hero-title h2 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--cream);
  line-height: 1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.tp-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}

.tp-intro {
  padding: 2.5rem 3rem;
  border-bottom: 1px solid rgba(26,17,24,0.1);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
}

.tp-desc {
  font-family: var(--sans);
  font-size: 1.15rem;
  line-height: 1.8;
  opacity: 0.75;
  max-width: 820px;
}

.tp-jumplinks {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  align-self: center;
  width: 100%;
}

.tp-jump-label {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  opacity: 0.5;
  margin-bottom: 0.2rem;
}

.tp-jump-buttons {
  display: flex;
  flex-direction: row;
  gap: 1rem;
}

.tp-jump-btn {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-decoration: none;
  border: 1px solid rgba(26,17,24,0.2);
  padding: 0.65rem 1.8rem;
  transition: border-color 0.2s, opacity 0.2s;
  opacity: 0.7;
  text-align: center;
}
.tp-jump-btn:hover { opacity: 1; border-color: var(--fg); }

.tp-section {
  padding: 3rem 3rem;
  border-top: 1px solid rgba(26,17,24,0.1);
}

.tp-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(26,17,24,0.08);
  position: relative;
  overflow: hidden;
}

.tp-row:first-of-type { border-top: 1px solid rgba(26,17,24,0.08); }

.tp-row-reverse { grid-template-columns: 1.4fr 1fr; }
.tp-row-reverse .tp-carousel { order: 2; }
.tp-row-reverse .tp-row-info  { order: 1; }

.tp-feature-title {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
  display: block;
  margin-bottom: 0.7rem;
  line-height: 1.1;
}

.tp-feature-desc {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.8;
  opacity: 0.7;
  margin-bottom: 1.2rem;
}

.tp-code-toggle {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg);
  background: rgba(26,17,24,0.07);
  border: 1px solid rgba(26,17,24,0.35);
  padding: 0.6rem 1.3rem;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity 0.2s, border-color 0.2s, background 0.2s;
}
.tp-code-toggle:hover { opacity: 1; border-color: var(--fg); background: rgba(26,17,24,0.12); }
.tp-code-toggle.open { opacity: 1; border-color: var(--accent); color: var(--accent); background: rgba(26,17,24,0.05); }

.tp-code-block {
  background: #1e1b1b;
  padding: 1.2rem;
  overflow-x: auto;
}

.tp-code-block pre {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.8;
  color: #f8f8f2;
  white-space: pre;
}

.tp-code-block .kw  { color: #ae81ff; }
.tp-code-block .fn  { color: #a6e22e; }
.tp-code-block .str { color: #e6db74; }
.tp-code-block .cmt { color: #75715e; font-style: italic; }
.tp-code-block .num { color: #fd971f; }

/* CAROUSEL */
.tp-carousel {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.tp-carousel-track {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
}

.tp-carousel-slide {
  display: none;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}
.tp-carousel-slide.active { display: block; }
.tp-carousel-slide .tp-video-placeholder { aspect-ratio: unset; height: 100%; }

.tp-carousel-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(26,17,24,0.08);
  margin-bottom: 0.8rem;
}

.tp-carousel-arrow {
  font-family: var(--mono);
  font-size: 1rem;
  background: none;
  border: 1px solid rgba(26,17,24,0.2);
  color: var(--fg);
  width: 36px;
  height: 36px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s, border-color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tp-carousel-arrow:hover { opacity: 1; border-color: var(--fg); }

.tp-carousel-counter {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  opacity: 0.4;
}

.tp-carousel-codes { display: none; }

/* CODE OVERLAY */
.tp-code-overlay {
  position: absolute;
  top: 0; right: 0;
  width: 45%;
  height: 100%;
  background: #1e1b1b;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
  z-index: 10;
  overflow: hidden;
}

.tp-row-reverse .tp-code-overlay {
  right: auto;
  left: 0;
  transform: translateX(-20px);
}

.tp-code-overlay.visible {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}

.tp-overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(245,240,235,0.1);
  padding-bottom: 0.6rem;
  flex-shrink: 0;
}

.tp-overlay-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  opacity: 0.8;
}

.tp-overlay-close {
  font-family: var(--mono);
  font-size: 0.75rem;
  background: none;
  border: none;
  color: rgba(245,240,235,0.4);
  cursor: pointer;
  transition: color 0.2s;
  padding: 0;
}
.tp-overlay-close:hover { color: rgba(245,240,235,0.9); }

.tp-overlay-arrows {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tp-overlay-counter {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(245,240,235,0.3);
  letter-spacing: 0.1em;
}

.tp-overlay-arrow {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: none;
  border: 1px solid rgba(245,240,235,0.15);
  color: rgba(245,240,235,0.5);
  width: 28px;
  height: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.tp-overlay-arrow:hover { border-color: rgba(245,240,235,0.5); color: rgba(245,240,235,0.9); }

.tp-overlay-code {
  display: none;
  flex: 1;
  overflow: auto;
  min-height: 0;
}
.tp-overlay-code.active { display: block; }

.tp-overlay-code pre {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.75;
  color: #f8f8f2;
  white-space: pre;
}

.tp-overlay-code pre .kw  { color: #ae81ff; }
.tp-overlay-code pre .fn  { color: #a6e22e; }
.tp-overlay-code pre .str { color: #e6db74; }
.tp-overlay-code pre .cmt { color: #75715e; font-style: italic; }
.tp-overlay-code pre .num { color: #fd971f; }

/* VIDEO POPUP */
.video-popup {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10,9,9,0.88);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  visibility: hidden;
}

.video-popup.open {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
}

.video-popup-inner {
  position: relative;
  width: 100%;
  max-width: 1300px;
}

.video-popup-inner video {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
  background: #000;
}

.video-popup-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  background: none;
  border: 1px solid rgba(245,240,235,0.3);
  color: rgba(245,240,235,0.6);
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.video-popup-close:hover { border-color: #f8f8f2; color: var(--cream); }

/* Click cursor on clickable videos and carousel tracks */
.tp-carousel-track { cursor: pointer; }

/* PROJECT PAGES */
.proj-page { padding-top: 6rem; padding-bottom: 6rem; }

.proj-hero {
  position: relative; width: 100%; aspect-ratio: 16/9;
  background: var(--bg-card); overflow: hidden;
}
.proj-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,12,12,0.82) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 2.5rem 3rem;
}
.proj-hero video, .proj-hero img { width:100%; height:100%; object-fit:cover; display:block; }
.proj-hero-label {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.2em;
  color: var(--accent); margin-bottom: 0.5rem; display: block;
}
.proj-hero h2 {
  font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900; color: var(--cream); line-height: 1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5); margin-bottom: 1rem;
}
.proj-trailer-btn-light {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
  border: 2px solid var(--fg);
  padding: 0.55rem 1.2rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  opacity: 0.85;
}
.proj-trailer-btn-light:hover {
  background: var(--fg);
  color: var(--cream);
  opacity: 1;
}

.proj-trailer-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.1em;
  color: var(--cream); border: 1px solid rgba(240,232,226,0.45);
  padding: 0.45rem 1rem; text-decoration: none;
  transition: border-color 0.2s, opacity 0.2s; opacity: 0.8; align-self: flex-start;
}
.proj-trailer-btn:hover { opacity: 1; border-color: rgba(240,232,226,0.9); }

.proj-meta-bar {
  display: flex; align-items: center; gap: 2rem;
  padding: 1.2rem 3rem; border-bottom: 1px solid rgba(26,17,24,0.1); flex-wrap: wrap;
}
.proj-meta-item { font-family: var(--mono); font-size: 1.3rem; letter-spacing: 0.08em; opacity: 0.5; }

.proj-intro { padding: 2.5rem 3rem; border-bottom: 1px solid rgba(26,17,24,0.1); max-width: 820px; text-align: center; margin: 0 auto; }
.proj-intro p { font-family: var(--sans); font-size: 1.05rem; line-height: 1.85; opacity: 0.75; }

.proj-section-label {
  font-family: var(--mono); font-size: 1.6rem; letter-spacing: 0.12em;
  opacity: 0.85; display: block; padding: 2rem 3rem 0;
}
.proj-contributions { padding: 0 3rem 4rem; }

.proj-contribution {
  padding: 2.5rem 0; border-bottom: 1px solid rgba(26,17,24,0.08); max-width: 820px;
}
.proj-contribution:first-of-type { border-top: 1px solid rgba(26,17,24,0.08); margin-top: 1.5rem; }

.proj-contribution-title {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 700;
  color: var(--fg); display: block; margin-bottom: 0.7rem; line-height: 1.1;
}
.proj-contribution-desc {
  font-family: var(--sans); font-size: 0.9rem; line-height: 1.85;
  opacity: 0.7; margin-bottom: 1.1rem;
}
.proj-award {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--accent); border: 1px solid var(--accent);
  padding: 0.3rem 0.8rem; margin-bottom: 1.5rem; opacity: 0.8;
}
.proj-code-toggle {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em;
  color: var(--fg); background: none; border: 1px solid rgba(26,17,24,0.25);
  padding: 0.4rem 1rem; cursor: pointer; opacity: 0.55;
  transition: opacity 0.2s, border-color 0.2s;
}
.proj-code-toggle:hover { opacity: 1; }
.proj-code-toggle.open { opacity: 1; border-color: var(--accent); color: var(--accent); }

.proj-code-block {
  display: none; background: #1e1b1b; padding: 1.2rem 1.5rem;
  margin-top: 1rem; overflow-x: auto; max-width: 860px;
}
.proj-code-block pre {
  font-family: var(--mono); font-size: 0.78rem; line-height: 1.8;
  color: #f8f8f2; white-space: pre;
}
.proj-code-block pre .kw  { color: #ae81ff; }
.proj-code-block pre .fn  { color: #a6e22e; }
.proj-code-block pre .str { color: #e6db74; }
.proj-code-block pre .cmt { color: #75715e; font-style: italic; }
.proj-code-block pre .num { color: #fd971f; }

.proj-contributions-wide {
  max-width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.proj-contribution-border {
  padding: 3rem 3rem;
  border-bottom: 1px solid rgba(26,17,24,0.08);
}
.proj-contribution-border:first-of-type { border-top: 1px solid rgba(26,17,24,0.08); }

.proj-twocol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.proj-twocol.has-video {
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
}

.proj-twocol-reverse { direction: ltr; }
.proj-twocol-reverse .proj-twocol-text { order: 2; }
.proj-twocol-reverse .proj-twocol-code { order: 1; }

.proj-twocol-media {
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  position: relative;
  width: 100%;
}
.proj-twocol-media video,
.proj-twocol-media img { width:100%; height:100%; object-fit:cover; display:block; }
.proj-twocol-media .tp-video-placeholder { aspect-ratio: unset; height: 100%; }

.proj-twocol-text .proj-contribution-title {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 700;
  color: var(--fg); display: block; margin-bottom: 0.7rem; line-height: 1.1;
}
.proj-twocol-text .proj-contribution-desc {
  font-family: var(--sans); font-size: 0.9rem; line-height: 1.85;
  opacity: 0.7; margin-bottom: 1.1rem;
}

.proj-twocol-code .proj-code-block,
.proj-twocol-code .proj-code-slides { max-width: 100%; }
.proj-twocol-code .proj-code-block { max-height: 380px; overflow: auto; }

.proj-code-slides { margin-top: 1rem; max-width: 860px; }
.proj-code-slide { display: none; }
.proj-code-slide.active { display: block; }

.proj-code-slides-bar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.5rem;
}

.proj-slide-arrow {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: none;
  border: 1px solid rgba(26,17,24,0.2);
  color: var(--fg);
  width: 28px; height: 28px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.proj-slide-arrow:hover { opacity: 1; }

.proj-slide-counter {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  opacity: 0.4;
}

.proj-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.proj-compare-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.proj-compare-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  opacity: 0.45;
  text-align: center;
}

.chal-title {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.8rem;
  color: var(--fg);
}

.chal-code-full { max-width: 100%; margin-top: 1.5rem; }
.chal-code-full .proj-code-slides,
.chal-code-full .proj-code-block { max-width: 100%; }

.proj-text-only {
  max-width: 760px;
  padding-left: 1.5rem;
  border-left: 3px solid var(--accent);
}
.proj-text-only .proj-contribution-title {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.7rem;
}

.proj-contribution-media-full {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-card);
  overflow: hidden;
  position: relative;
  margin-bottom: 2rem;
}
.proj-contribution-media-full video,
.proj-contribution-media-full img { width: 100%; height: 100%; object-fit: cover; display: block; }
.proj-contribution-media-full .tp-video-placeholder { aspect-ratio: unset; height: 100%; }

/* MOBILE */
@media (max-width: 680px) {
  nav { padding: 1rem 1.2rem; flex-wrap: wrap; gap: 0.6rem; }
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 0.6rem; }
  .hero { padding: 5.5rem 1.2rem 2.5rem; min-height: unset; }
  .hero-desc { font-size: 0.85rem; margin-top: 1rem; }
  .tools, .projects { padding: 3rem 1.2rem; }
  .tools-grid { grid-template-columns: 1fr; gap: 1rem; }
  .project-row, .project-row:nth-child(even) { grid-template-columns: 1fr; gap: 1rem; padding: 1.8rem 0; }
  .project-row:nth-child(even) .project-thumb { order: 0; }
  .project-row:nth-child(even) .project-info  { order: 1; }
  .project-title { font-size: 1.2rem; }
  footer { flex-direction: column; align-items: flex-start; gap: 1.2rem; padding: 2.5rem 1.2rem; }
  .footer-links { flex-wrap: wrap; gap: 1rem; }
  .other-projects-grid { grid-template-columns: 1fr; }
  .proj-meta-bar, .proj-intro, .proj-contributions, .proj-section-label { padding-left: 1.2rem; padding-right: 1.2rem; }
  .proj-hero-overlay { padding: 1.5rem 1.2rem; }
  .proj-compare { grid-template-columns: 1fr; }

  /* Tool page mobile */
  .tp-intro { padding: 1.5rem 1.2rem; }
  .tp-desc { font-size: 0.95rem; }
  .tp-section { padding: 2rem 1.2rem; }
  .tp-row, .tp-row-reverse {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .tp-row-reverse .tp-carousel { order: 0; }
  .tp-row-reverse .tp-row-info  { order: 1; }
  .tp-feature-title { font-size: 1.4rem; }
  .tp-code-overlay { display: none; }
  .tp-carousel-codes { display: none; }
  .tp-contribution-border { padding: 1.5rem 1.2rem; }
  .chal-title { font-size: 1.4rem; text-align: left; }
  .proj-contribution-border { padding: 1.5rem 1.2rem; }
  .proj-twocol, .proj-twocol.has-video { grid-template-columns: 1fr; gap: 1.2rem; }
}

@media (max-width: 900px) {
  .proj-twocol, .proj-twocol.has-video { grid-template-columns: 1fr; gap: 1.5rem; }
  .proj-twocol-reverse { direction: ltr; }
  .proj-contribution-border { padding: 2rem 1.2rem; }

  /* Tool page tablet */
  .tp-row, .tp-row-reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .tp-row-reverse .tp-carousel { order: 0; }
  .tp-row-reverse .tp-row-info  { order: 1; }
  .tp-code-overlay { display: none; }
}