/* ===========================================
   DESIGN TOKENS
=========================================== */
:root {
  --bg-base:      #080604;
  --bg-surface:   #0e0c09;
  --bg-card:      #131108;
  --bg-card-alt:  #1a1610;

  --gold:         #c9a84c;
  --gold-light:   #e8c96a;
  --gold-dim:     #7a6530;
  --gold-faint:   rgba(201, 168, 76, 0.08);
  --gold-glow:    rgba(201, 168, 76, 0.15);
  --gold-glow-md: rgba(201, 168, 76, 0.25);

  --text-primary: #f0ece3;
  --text-muted:   #6e6555;
  --text-sub:     #9a8f7e;

  --border:       rgba(201, 168, 76, 0.10);
  --border-hover: rgba(201, 168, 76, 0.35);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'Space Mono', 'Courier New', monospace;

  --ease-expo:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===========================================
   RESET
=========================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

a        { color: inherit; text-decoration: none; }
ul, ol   { list-style: none; }
button   { border: none; background: none; font-family: inherit; }
img, svg { display: block; max-width: 100%; }

/* ===========================================
   CUSTOM CURSOR
=========================================== */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  will-change: left, top, transform;
}

.cursor-dot {
  width: 7px;
  height: 7px;
  background: var(--gold);
  transition: width 0.2s var(--ease-expo),
              height 0.2s var(--ease-expo),
              background 0.2s;
  z-index: 10000;
}

.cursor-ring {
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--gold);
  opacity: 0.5;
  transition: width 0.35s var(--ease-expo),
              height 0.35s var(--ease-expo),
              opacity 0.3s,
              border-color 0.2s;
}

body.cursor-hover .cursor-dot {
  width: 11px;
  height: 11px;
  background: var(--gold-light);
}

body.cursor-hover .cursor-ring {
  width: 60px;
  height: 60px;
  opacity: 0.25;
  border-color: var(--gold-light);
}

/* ===========================================
   LOADER
=========================================== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s var(--ease-smooth),
              visibility 0.7s var(--ease-smooth);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-svg {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
  stroke-dasharray: 1440;
  stroke-dashoffset: 1440;
  animation: line-draw 0.9s var(--ease-expo) 0.15s forwards;
}

@keyframes line-draw {
  to { stroke-dashoffset: 0; }
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 1;
  opacity: 0;
  transform: translateY(12px);
  animation: loader-appear 0.5s var(--ease-expo) 0.5s forwards;
}

@keyframes loader-appear {
  to { opacity: 1; transform: translateY(0); }
}

.loader-initials {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.08em;
  line-height: 1;
}

.loader-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-dim);
  animation: loader-dots 1.2s steps(4) 0.8s infinite;
}

@keyframes loader-dots {
  0%   { content: 'Loading'; }
  25%  { opacity: 0.5; }
  75%  { opacity: 1; }
  100% { opacity: 0.5; }
}

/* ===========================================
   NAVIGATION
=========================================== */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8, 6, 4, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.04em;
  transition: color 0.2s, text-shadow 0.3s;
}

.nav-logo:hover {
  color: var(--gold-light);
  text-shadow: 0 0 20px var(--gold-glow-md);
}

.nav-links {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  transition: color 0.25s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.35s var(--ease-expo);
}

.nav-link:hover,
.nav-link.active { color: var(--gold); }

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: none;
  padding: 6px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--gold);
  transition: transform 0.35s var(--ease-expo), opacity 0.25s;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: rgba(8, 6, 4, 0.97);
  backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  padding: 1.5rem 2.5rem 2rem;
  gap: 1.25rem;
  transform: translateY(-8px);
  opacity: 0;
  transition: transform 0.35s var(--ease-expo), opacity 0.3s;
}

.nav-mobile.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.nav-mobile-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  padding: 0.25rem 0;
}

.nav-mobile-link:hover { color: var(--gold); }

/* ===========================================
   HERO
=========================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}

/* Hyperspeed WebGL canvas — Three.js owns this element directly */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* Decorative corner brackets */
.hero-corner {
  position: absolute;
  width: 40px;
  height: 40px;
  border-color: var(--gold-dim);
  border-style: solid;
  opacity: 0.4;
  z-index: 1;
}
.hero-corner--tl { top: 2rem; left: 2rem; border-width: 1px 0 0 1px; }
.hero-corner--tr { top: 2rem; right: 2rem; border-width: 1px 1px 0 0; }
.hero-corner--bl { bottom: 2rem; left: 2rem; border-width: 0 0 1px 1px; }
.hero-corner--br { bottom: 2rem; right: 2rem; border-width: 0 1px 1px 0; }

/* Bottom vignette */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-base), transparent);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 2rem;
  max-width: 1100px;
  width: 100%;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-dim);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: rise 0.7s var(--ease-expo) 1.5s forwards;
}

/* Name — two intentional lines, chars injected by JS per line */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

.name-line {
  display: block;
  overflow: hidden;
}

.hero-name .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(110%);
  animation: char-up 0.55s var(--ease-expo) forwards;
}

/* Role line */
.hero-role {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 1.75rem;
  min-height: 2rem;
  opacity: 0;
  animation: rise 0.6s var(--ease-expo) 1.6s forwards;
}

.hero-role-dash {
  color: var(--gold);
  font-size: 1.2rem;
}

.hero-role-text {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  color: var(--gold);
  letter-spacing: 0.04em;
}

.hero-blink {
  color: var(--gold);
  font-size: 1.2rem;
  animation: blink 0.85s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-tagline {
  font-size: clamp(0.88rem, 1.4vw, 1rem);
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2.75rem;
  line-height: 1.9;
  opacity: 0;
  animation: rise 0.7s var(--ease-expo) 1.8s forwards;
}

.hero-tagline em {
  color: var(--text-sub);
  font-style: normal;
}

/* CTA button */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 2rem;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  opacity: 0;
  animation: rise 0.7s var(--ease-expo) 2s forwards;
  will-change: transform;
}

.hero-cta svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-expo);
}

.hero-cta:hover {
  border-color: var(--gold);
  background: var(--gold-faint);
  box-shadow: 0 0 40px var(--gold-glow), inset 0 0 20px var(--gold-faint);
}

.hero-cta:hover svg { transform: translateX(5px); }

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-cta--ghost {
  background: transparent;
  border-color: var(--gold-dim);
  color: var(--text-muted);
  animation-delay: 2.15s;
}
.hero-cta--ghost:hover {
  border-color: var(--gold-dim);
  background: rgba(201,168,76,0.05);
  box-shadow: none;
  color: var(--gold);
}
.hero-cta--ghost:hover svg { transform: translateY(3px); }

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  opacity: 0;
  animation: rise 0.7s var(--ease-expo) 2.3s forwards;
}

.scroll-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-bar {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--gold) 0%, transparent 100%);
  animation: scroll-breathe 2.2s ease-in-out infinite;
}

@keyframes scroll-breathe {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50%       { opacity: 1;   transform: scaleY(1); }
}

/* ===========================================
   KEYFRAMES (shared)
=========================================== */
@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes char-up {
  to { opacity: 1; transform: translateY(0); }
}

/* ===========================================
   SCROLL REVEAL SYSTEM
   .js-ready added by script.js on load —
   elements are visible by default (no JS = no breakage)
=========================================== */
.reveal-item {
  transition:
    opacity  0.75s var(--ease-expo) var(--delay, 0s),
    transform 0.75s var(--ease-expo) var(--delay, 0s);
}

.js-ready .reveal-item {
  opacity: 0;
  transform: translateY(36px);
}

.js-ready .reveal-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
   SECTION BASE
=========================================== */
.section {
  padding: 8rem 0;
  position: relative;
}

.section-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--gold-dim);
  flex-shrink: 0;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.section-name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 3.5rem;
}

/* ===========================================
   ABOUT
=========================================== */
.about {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  margin-bottom: 5rem;
  align-items: center;
}

.about-headline {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.9rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.about-bio {
  color: var(--text-sub);
  font-size: 0.98rem;
  line-height: 1.9;
  margin-bottom: 1.25rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 2rem;
}

.about-tag {
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--gold-dim);
  text-transform: uppercase;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.about-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-faint);
}

/* Decorative visual */
.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  padding-top: 1rem;
}

.about-photo-wrap {
  position: relative;
  width: 180px;
  height: 180px;
  flex-shrink: 0;
}

.about-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  mix-blend-mode: multiply;
  filter: contrast(1.05) brightness(0.95);
  display: block;
}

.about-photo-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  pointer-events: none;
}
.about-photo-ring::before {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.15);
}

.about-art {
  position: relative;
  width: min(380px, 100%);
  aspect-ratio: 1;
}

.art-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 72%);
}

.art-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--gold-dim);
  transform: rotate(45deg);
}

.art-ring--outer {
  inset: 15%;
  animation: spin-slow 22s linear infinite;
}

.art-ring--inner {
  inset: 30%;
  border-color: var(--gold);
  opacity: 0.5;
  animation: spin-slow 14s linear infinite reverse;
}

.art-core {
  position: absolute;
  inset: 42%;
  background: radial-gradient(circle, var(--gold-glow-md) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes spin-slow {
  to { transform: rotate(405deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.15); }
}

/* Stats */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  display: inline;
}

.stat-suf {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--gold-dim);
}

.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.55rem;
}

/* ===========================================
   PROJECTS
=========================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.4s, box-shadow 0.4s;
  transform-style: preserve-3d;
  will-change: transform;
}

.project-card:hover {
  border-color: var(--gold-dim);
  box-shadow:
    0 24px 64px rgba(0,0,0,0.5),
    0 0 40px var(--gold-glow);
}

.project-card-body {
  padding: 2.5rem;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.project-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.12em;
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  transition: color 0.3s;
}

.project-card:hover .project-title {
  color: var(--gold-light);
}

.project-desc {
  color: var(--text-sub);
  font-size: 0.88rem;
  line-height: 1.8;
  flex: 1;
  margin-bottom: 1.75rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--gold-dim);
  background: rgba(201, 168, 76, 0.05);
  border: 1px solid rgba(201, 168, 76, 0.14);
  padding: 0.22rem 0.6rem;
}

/* Clip-path circle reveal overlay — from top-left corner */
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, #1e1a0e 0%, #0d0b07 60%, #080604 100%);
  border-left: 2px solid var(--gold-dim);
  clip-path: circle(72px at 2.75rem 2.75rem);
  transition:
    clip-path 0.85s var(--ease-expo),
    border-color 0.4s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem;
  pointer-events: none;
}

.project-card:hover .project-overlay {
  clip-path: circle(200% at 2.75rem 2.75rem);
  border-color: var(--gold);
  pointer-events: auto;
}

/* Overlay inner content */
.overlay-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.overlay-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.overlay-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.overlay-rule {
  width: 44px;
  height: 1px;
  background: var(--gold-dim);
}

.project-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.proj-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  transition: color 0.2s, transform 0.25s var(--ease-expo);
  display: inline-block;
}

.proj-link:hover {
  color: var(--gold-light);
  transform: translateX(6px);
}

/* ===========================================
   SKILLS
=========================================== */
.skills {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3.5rem 5rem;
}

.skills-group-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 1.05rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  color: var(--text-sub);
  cursor: default;
  transition:
    border-color 0.25s,
    color 0.25s,
    background 0.25s,
    box-shadow 0.3s,
    transform 0.2s var(--ease-spring);
}

.skill-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-faint);
  box-shadow: 0 0 18px var(--gold-glow);
  transform: translateY(-2px);
}

/* ===========================================
   ACHIEVEMENTS
=========================================== */
.ach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.ach-card {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(201,168,76,0.12);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.ach-card:hover {
  border-color: var(--gold-dim);
  box-shadow: 0 0 24px rgba(201,168,76,0.06);
}

.ach-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  color: var(--gold-dim);
  margin-top: 2px;
}
.ach-icon svg { width: 100%; height: 100%; }

.ach-body { display: flex; flex-direction: column; gap: 0.3rem; }

.ach-year {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--gold-dim);
}

.ach-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

.ach-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================
   CONTACT
=========================================== */
.contact {
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Grid texture background */
.contact-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 0%, transparent 100%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-inner .section-label {
  align-self: flex-start;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.contact-headline em {
  color: var(--gold);
  font-style: italic;
}

.contact-sub {
  color: var(--text-sub);
  font-size: 1rem;
  max-width: 440px;
  margin-bottom: 3.5rem;
}

.contact-email-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.05rem 2.5rem;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  cursor: none;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  margin-bottom: 3.5rem;
  will-change: transform;
}

.contact-email-btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.contact-email-btn:hover {
  border-color: var(--gold);
  background: var(--gold-faint);
  box-shadow: 0 0 50px var(--gold-glow), inset 0 0 20px var(--gold-faint);
}

.contact-socials {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  margin-bottom: 6rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.25s, transform 0.3s var(--ease-spring);
}

.social-link svg {
  width: 17px;
  height: 17px;
}

.social-link:hover {
  color: var(--gold);
  transform: translateY(-4px);
}

/* Footer */
.footer {
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-align: center;
}

/* ===========================================
   MAGNETIC BUTTON WRAPPER
=========================================== */
.magnetic-btn {
  display: inline-flex;
  will-change: transform;
}

/* ===========================================
   TOAST
=========================================== */
.toast {
  position: fixed;
  bottom: 2.5rem;
  left: 50%;
  z-index: 5000;
  transform: translateX(-50%) translateY(16px);
  background: var(--bg-card-alt);
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 0.75rem 1.75rem;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.3s var(--ease-smooth),
    transform 0.35s var(--ease-expo);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===========================================
   RESPONSIVE
=========================================== */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid { gap: 4rem; }
}

@media (max-width: 768px) {
  .nav-links    { display: none; }
  .nav-hamburger { display: flex; }

  .hero-name    { font-size: clamp(1.8rem, 8vw, 2.8rem); }
  .hero-corner  { display: none; }

  .about-grid   { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { display: flex; }
  .about-art    { display: none; }
  .about-stats  { grid-template-columns: repeat(2, 1fr); gap: 2rem; }

  .projects-grid { grid-template-columns: 1fr; }

  .skills-grid  { grid-template-columns: 1fr; gap: 2.5rem; }

  .ach-grid { grid-template-columns: 1fr; }

  .hero-ctas { flex-direction: column; align-items: flex-start; gap: 0.75rem; }

  .contact-headline { font-size: clamp(2rem, 10vw, 3.5rem); }
  .contact-socials  { gap: 1.5rem; }

  .section { padding: 6rem 0; }
  .section-inner { padding: 0 1.5rem; }
  .nav-inner     { padding: 0 1.5rem; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .contact-socials { flex-direction: column; align-items: center; }
  .section { padding: 4.5rem 0; }
}

/* ===========================================
   REDUCED MOTION
=========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-item {
    opacity: 1;
    transform: none;
  }

  .hero-name .char {
    opacity: 1;
    transform: none;
  }

  .hero-greeting,
  .hero-role,
  .hero-tagline,
  .hero-cta,
  .hero-scroll-indicator {
    opacity: 1;
    transform: none;
  }

  .cursor-dot,
  .cursor-ring { display: none; }
  body { cursor: auto; }

  .zoom-parallax { display: none; }
}

/* ===========================================
   ZOOM PARALLAX INTERLUDE
=========================================== */
.zoom-parallax {
  height: 300vh;
  position: relative;
  z-index: 0;
}

.zoom-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-base);
}

/* Smooth entry / exit vignettes */
.zoom-vignette {
  position: absolute;
  left: 0;
  right: 0;
  height: 18vh;
  z-index: 20;
  pointer-events: none;
}

.zoom-vignette--top {
  top: 0;
  background: linear-gradient(to bottom, var(--bg-base), transparent);
}

.zoom-vignette--bottom {
  bottom: 0;
  background: linear-gradient(to top, var(--bg-base), transparent);
}

/* Each layer spans the full sticky viewport */
.zoom-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  will-change: transform;
}

/* Inner content box — positional offsets via inline style */
.zp-box {
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
}

/* All art panels share base */
.zp-art {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

/* --- Monogram (center focal) --- */
.zp-art--monogram {
  background: var(--bg-card);
  border: 1px solid var(--gold-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.zp-mono-initials {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  letter-spacing: 0.05em;
}

.zp-mono-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.45rem, 0.9vw, 0.65rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-dim);
  text-align: center;
  line-height: 2.2;
}

/* Subtle background grid behind monogram */
.zp-art--monogram::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
}

/* --- Data Science label --- */
.zp-art--label {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2rem);
  gap: 0.25rem;
}

.zp-label-a {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  display: block;
}

.zp-label-b {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 4rem);
  font-weight: 400;
  font-style: italic;
  color: var(--gold);
  line-height: 1;
  display: block;
}

/* --- Vertical lines --- */
.zp-art--lines {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 14px,
    rgba(201, 168, 76, 0.12) 14px,
    rgba(201, 168, 76, 0.12) 15px
  );
}

.zp-art--lines::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(201, 168, 76, 0.06) 50%,
    transparent 100%
  );
}

/* --- Code panel --- */
.zp-art--code {
  background: #0a0905;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: clamp(0.75rem, 2vw, 1.5rem);
}

.zp-art--code pre {
  font-family: var(--font-mono);
  font-size: clamp(0.55rem, 1.1vw, 0.82rem);
  line-height: 1.9;
  color: var(--gold);
  white-space: pre;
  letter-spacing: 0.04em;
}

.zp-art--code::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0.5;
}

/* --- Gold orb --- */
.zp-art--orb {
  background: var(--bg-card);
  border: 1px solid var(--border);
  background-image:
    radial-gradient(
      circle at 50% 55%,
      rgba(201, 168, 76, 0.28) 0%,
      rgba(201, 168, 76, 0.08) 45%,
      transparent 70%
    );
}

.zp-art--orb::after {
  content: '';
  position: absolute;
  inset: 25%;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 76, 0.2);
  animation: orb-pulse 3s ease-in-out infinite;
}

@keyframes orb-pulse {
  0%, 100% { transform: scale(1);   opacity: 0.5; }
  50%       { transform: scale(1.1); opacity: 1;   }
}

/* --- Scan lines --- */
.zp-art--scanlines {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 6px,
    rgba(201, 168, 76, 0.07) 6px,
    rgba(201, 168, 76, 0.07) 7px
  );
}

.zp-art--scanlines::after {
  content: 'MLOps · Data · AI · Research';
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--gold-dim);
  text-transform: uppercase;
  white-space: nowrap;
}

/* --- Micro grid --- */
.zp-art--microgrid {
  background: var(--bg-card-alt);
  border: 1px solid var(--gold-dim);
  background-image:
    radial-gradient(circle, rgba(201, 168, 76, 0.4) 1px, transparent 1px);
  background-size: 10px 10px;
}

/* --- Metric bars (lines box) --- */
.zp-art--metrics {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  padding: clamp(0.6rem, 1.5vw, 1.2rem) clamp(0.75rem, 2vw, 1.4rem);
  background: var(--bg-surface);
}

.zp-metrics-header {
  font-family: var(--font-mono);
  font-size: clamp(0.45rem, 0.9vw, 0.65rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6em;
  opacity: 0.8;
}

.zp-metric-row {
  display: flex;
  align-items: center;
  gap: 0.4em;
  width: 100%;
  margin-bottom: 0.45em;
}

.zp-metric-name {
  font-family: var(--font-mono);
  font-size: clamp(0.38rem, 0.75vw, 0.55rem);
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  min-width: 5.5em;
  flex-shrink: 0;
}

.zp-metric-bar {
  flex: 1;
  height: 3px;
  background: rgba(201, 168, 76, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.zp-metric-fill {
  height: 100%;
  width: var(--pct, 80%);
  background: linear-gradient(90deg, var(--gold-dim), var(--gold));
  border-radius: 2px;
  animation: metric-grow 1.8s cubic-bezier(0.4, 0, 0.2, 1) var(--delay, 0s) both;
}

@keyframes metric-grow {
  from { width: 0; opacity: 0; }
  to   { width: var(--pct, 80%); opacity: 1; }
}

.zp-metric-val {
  font-family: var(--font-mono);
  font-size: clamp(0.38rem, 0.75vw, 0.55rem);
  color: var(--gold);
  min-width: 3em;
  text-align: right;
  flex-shrink: 0;
}

/* --- Orb stats overlay --- */
.zp-orb-stat {
  position: absolute;
  font-family: var(--font-mono);
  font-size: clamp(0.38rem, 0.85vw, 0.6rem);
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: lowercase;
  z-index: 2;
  pointer-events: none;
}

.zp-orb-stat--tl  { top: 0.7em; left: 0.8em; color: var(--gold-dim); }
.zp-orb-stat--tr  { top: 0.7em; right: 0.8em; color: var(--gold-dim); }
.zp-orb-stat--center {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(0.9rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-light);
  text-shadow: 0 0 20px rgba(201, 168, 76, 0.8);
}
.zp-orb-stat--bottom {
  bottom: 0.8em; left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: clamp(0.34rem, 0.7vw, 0.5rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* --- Terminal (scanlines box) --- */
.zp-terminal {
  position: absolute;
  inset: 0;
  padding: clamp(0.6rem, 1.5vw, 1.1rem) clamp(0.75rem, 2vw, 1.4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35em;
  z-index: 2;
}

.zp-term-line {
  font-family: var(--font-mono);
  font-size: clamp(0.42rem, 0.85vw, 0.62rem);
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--text-muted);
}

.zp-term-prompt {
  color: var(--gold);
  margin-right: 0.4em;
}

.zp-term-ep {
  color: var(--gold-dim);
  margin-right: 0.4em;
}

.zp-term-log { color: rgba(240, 236, 227, 0.55); }

.zp-term-ok { color: rgba(140, 210, 130, 0.75); }

.zp-term-tick {
  color: rgba(140, 210, 130, 0.9);
  margin-right: 0.4em;
}

/* --- Confusion matrix (microgrid box) --- */
.zp-cm {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.4em;
  gap: 0.3em;
  z-index: 2;
}

.zp-cm-title {
  font-family: var(--font-mono);
  font-size: clamp(0.3rem, 0.65vw, 0.48rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-dim);
}

.zp-cm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 80%;
}

.zp-cm-cell {
  font-family: var(--font-mono);
  font-size: clamp(0.3rem, 0.65vw, 0.48rem);
  text-align: center;
  padding: 0.3em 0.2em;
  line-height: 1.4;
  border: 1px solid rgba(201, 168, 76, 0.12);
}

.zp-cm-cell span {
  display: block;
  font-size: 0.8em;
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.zp-cm-tp { background: rgba(201, 168, 76, 0.2); color: var(--gold); }
.zp-cm-fp { background: rgba(180, 80,  80,  0.12); color: rgba(220,130,130,0.8); }
.zp-cm-fn { background: rgba(180, 80,  80,  0.12); color: rgba(220,130,130,0.8); }
.zp-cm-tn { background: rgba(201, 168, 76, 0.2); color: var(--gold); }

/* --- Neural network (about visual) --- */
.about-art--nn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.nn-svg {
  width: 100%;
  height: auto;
  display: block;
}

.nn-label {
  font-family: var(--font-mono);
  font-size: 8px;
  fill: var(--gold-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nn-out-label {
  font-family: var(--font-mono);
  font-size: 7.5px;
  fill: var(--gold);
  dominant-baseline: middle;
}

.nn-edge {
  stroke: rgba(201, 168, 76, 0.09);
  stroke-width: 0.8;
}

.nn-edge-a, .nn-edge-b, .nn-edge-c {
  stroke-width: 1.2;
  animation: nn-pulse-edge 4s ease-in-out infinite;
}

.nn-edge-a { stroke: rgba(232, 201, 106, 0.8); }
.nn-edge-b { stroke: rgba(201, 168, 76,  0.8); animation-delay: 1.2s; }
.nn-edge-c { stroke: rgba(122, 101, 48,  0.9); animation-delay: 2.4s; }

@keyframes nn-pulse-edge {
  0%, 100% { opacity: 0.08; stroke-width: 0.8; }
  40%, 60%  { opacity: 1;    stroke-width: 1.6; }
}

.nn-node {
  stroke-width: 1;
  animation: nn-pulse-node 4s ease-in-out infinite;
}

.nn-node-i {
  fill: rgba(201, 168, 76, 0.12);
  stroke: var(--gold-dim);
}

.nn-node-h {
  fill: rgba(201, 168, 76, 0.15);
  stroke: rgba(201, 168, 76, 0.5);
}

.nn-node-o {
  fill: rgba(232, 201, 106, 0.3);
  stroke: var(--gold);
  stroke-width: 1.5;
}

@keyframes nn-pulse-node {
  0%, 100% { fill-opacity: 0.1; }
  50%       { fill-opacity: 0.5; }
}

/* Scroll hint text */
.zoom-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  transition: opacity 0.4s;
}

.zoom-hint span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: hint-blink 2.5s ease-in-out infinite;
}

@keyframes hint-blink {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1;   }
}

/* ===========================================
   PROJECT PAGES
=========================================== */

/* --- Back link --- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--gold-dim);
  font: 400 0.72rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  margin-bottom: 3rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--gold); }
.back-link svg { width: 14px; height: 14px; }

/* --- Project hero --- */
.proj-hero {
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  padding: 9rem 0 5rem;
  position: relative;
  border-bottom: 1px solid rgba(201,168,76,0.12);
  overflow: hidden;
}
.proj-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 80% 40%, rgba(201,168,76,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.proj-hero-inner {
  width: min(1100px, 90vw);
  margin: 0 auto;
  position: relative;
}
.proj-hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.2rem;
}
.proj-hero-num {
  font: 400 0.7rem/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--gold-dim);
  text-transform: uppercase;
}
.proj-hero-year {
  font: 400 0.7rem/1 var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}
.proj-page-title {
  font: 900 clamp(3.5rem, 7vw, 6.5rem)/0.93 var(--font-serif);
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.proj-page-subtitle {
  font: 300 clamp(1rem, 1.8vw, 1.3rem)/1.55 var(--font-sans);
  color: var(--gold-dim);
  margin-bottom: 2rem;
  max-width: 620px;
}
.proj-page-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2.5rem;
}
.proj-page-tag {
  font: 400 0.68rem/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border: 1px solid rgba(201,168,76,0.2);
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
}
.proj-github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gold);
  font: 500 0.8rem/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--gold-dim);
  padding: 0.75rem 1.5rem;
  border-radius: 2px;
  transition: background 0.22s, color 0.22s;
}
.proj-github-btn:hover { background: var(--gold); color: var(--bg); }
.proj-github-btn svg { width: 15px; height: 15px; }

/* --- Stats strip --- */
.proj-stats {
  background: var(--surface);
  border-bottom: 1px solid rgba(201,168,76,0.08);
  padding: 3.5rem 0;
}
.proj-stats-inner {
  width: min(1100px, 90vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.proj-stat { display: flex; flex-direction: column; gap: 0.5rem; }
.proj-stat-num {
  font: 700 clamp(2rem, 4vw, 3rem)/1 var(--font-serif);
  color: var(--gold);
  letter-spacing: -0.02em;
}
.proj-stat-label {
  font: 300 0.72rem/1.45 var(--font-sans);
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Section base --- */
.proj-section {
  padding: 5rem 0;
  border-bottom: 1px solid rgba(201,168,76,0.06);
}
.proj-section-inner {
  width: min(1100px, 90vw);
  margin: 0 auto;
}
.proj-section-eyebrow {
  font: 400 0.7rem/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}
.proj-section-title {
  font: 700 clamp(1.6rem, 2.8vw, 2.2rem)/1.1 var(--font-serif);
  color: var(--fg);
  margin-bottom: 2rem;
}

/* --- Finding callout --- */
.proj-callout {
  background: rgba(201,168,76,0.04);
  border-left: 2px solid var(--gold);
  padding: 1.75rem 2rem;
  margin-bottom: 2.5rem;
  border-radius: 0 3px 3px 0;
}
.proj-callout p {
  font: 300 1.05rem/1.75 var(--font-sans);
  color: var(--fg);
  margin: 0;
}
.proj-callout strong { color: var(--gold); font-weight: 500; }

/* --- Architecture SVG --- */
.proj-arch-wrap {
  overflow-x: auto;
  padding: 1rem 0;
  -webkit-overflow-scrolling: touch;
}
.proj-arch-svg {
  display: block;
  min-width: 600px;
  width: 100%;
}

/* --- Two-col --- */
.proj-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.proj-col-text p {
  font: 300 0.95rem/1.8 var(--font-sans);
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.proj-col-text p:last-child { margin-bottom: 0; }

/* --- Code block --- */
.proj-code-block {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: 4px;
  padding: 1.75rem 2rem;
  overflow-x: auto;
}
.proj-code-block pre {
  font: 400 0.8rem/1.75 var(--font-mono);
  color: var(--fg);
  margin: 0;
  white-space: pre;
}
.cc { color: var(--fg-muted); }         /* comment */
.ck { color: var(--gold); }             /* keyword */
.cs { color: rgba(201,168,76,0.65); }   /* string */
.cn { color: #8ab0c8; }                 /* number / name */

/* --- Metric bars --- */
.proj-metrics-list {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.proj-metric-row {
  display: grid;
  grid-template-columns: 190px 1fr 90px;
  align-items: center;
  gap: 1rem;
}
.proj-metric-name {
  font: 400 0.72rem/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-transform: uppercase;
}
.proj-bar-wrap {
  height: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.proj-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(201,168,76,0.5), var(--gold));
  border-radius: 2px;
  width: 0;
  transition: width 1.1s cubic-bezier(0.16,1,0.3,1) var(--delay,0s);
}
.proj-metric-val {
  font: 500 0.82rem/1 var(--font-mono);
  color: var(--gold);
  text-align: right;
}

/* --- Table --- */
.proj-table-wrap { overflow-x: auto; }
.proj-table {
  width: 100%;
  border-collapse: collapse;
  font: 400 0.8rem/1.6 var(--font-mono);
}
.proj-table th {
  color: var(--gold-dim);
  text-align: left;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.68rem;
  border-bottom: 1px solid rgba(201,168,76,0.15);
  padding: 0.6rem 1rem 0.6rem 0;
}
.proj-table td {
  color: var(--fg-muted);
  padding: 0.6rem 1rem 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
}
.proj-table td:first-child { color: var(--fg); }
.proj-table .highlight { color: var(--gold); font-weight: 500; }

/* --- Bottom CTA --- */
.proj-bottom {
  padding: 5rem 0;
}
.proj-bottom-inner {
  width: min(1100px, 90vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.proj-bottom-label {
  font: 400 0.7rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.proj-bottom-left h3 {
  font: 700 clamp(1.2rem, 2vw, 1.6rem)/1.1 var(--font-serif);
  color: var(--fg);
}
.proj-bottom-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}
.proj-back-link {
  font: 400 0.75rem/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.proj-back-link:hover { color: var(--gold); }

/* --- Project page responsive --- */
@media (max-width: 900px) {
  .proj-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .proj-two-col { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 600px) {
  .proj-stats-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .proj-metric-row { grid-template-columns: 130px 1fr 70px; }
  .proj-page-title { font-size: clamp(2.8rem, 12vw, 3.5rem); }
  .proj-bottom-inner { flex-direction: column; align-items: flex-start; }
}

/* card pointer cursor */
.project-card { cursor: pointer; }

/* ===========================================
   SCROLL-EXPAND HERO  (project pages)
=========================================== */
.se-section {
  height: 250vh;
  position: relative;
}
.se-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.se-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 40%, rgba(201,168,76,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.05s;
}
.se-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.55;
}
.se-back {
  position: absolute;
  top: 5.5rem;
  left: max(2rem, 5vw);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--gold-dim);
  font: 400 0.7rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  z-index: 10;
  transition: color 0.2s;
}
.se-back:hover { color: var(--gold); }
.se-back svg { width: 13px; height: 13px; }

.se-title-wrap {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3em;
  pointer-events: none;
  user-select: none;
  margin-bottom: 2.5rem;
}
.se-word {
  font: 900 clamp(3rem, 8vw, 6.5rem)/0.9 var(--font-serif);
  color: var(--fg);
  letter-spacing: -0.02em;
  display: inline-block;
  will-change: transform;
}
.se-word-sub {
  font: 300 clamp(0.85rem, 1.5vw, 1.1rem)/1 var(--font-sans);
  color: var(--gold-dim);
  letter-spacing: 0.06em;
  display: inline-block;
  will-change: transform;
  text-transform: none;
}

/* the expanding media card */
.se-media {
  position: relative;
  z-index: 5;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(201,168,76,0.15);
  background: rgba(10,9,8,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: width, height;
  transition: border-color 0.3s;
  backdrop-filter: blur(8px);
}
.se-media:hover { border-color: rgba(201,168,76,0.3); }
.se-media-inner {
  padding: 2.5rem 3rem;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1.2rem;
  overflow: hidden;
}
.se-stat-big {
  font: 700 clamp(3rem, 8vw, 5.5rem)/1 var(--font-serif);
  color: var(--gold);
  letter-spacing: -0.03em;
}
.se-stat-label {
  font: 300 clamp(0.8rem, 1.2vw, 0.95rem)/1.5 var(--font-sans);
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  max-width: 480px;
}
.se-stat-row {
  display: flex;
  gap: 3rem;
  align-items: flex-end;
  justify-content: center;
  flex-wrap: wrap;
}
.se-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}
.se-stat-item .se-stat-big { font-size: clamp(2rem, 5vw, 3.5rem); }
.se-rule {
  width: 1px;
  height: 40px;
  background: rgba(201,168,76,0.2);
  align-self: center;
}
.se-finding {
  font: 400 clamp(0.9rem, 1.4vw, 1.05rem)/1.7 var(--font-sans);
  color: var(--fg-muted);
  max-width: 560px;
}
.se-finding strong { color: var(--gold); font-weight: 500; }
.se-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font: 400 0.65rem/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: hint-blink 2.5s ease-in-out infinite;
}
.se-scroll-hint::after {
  content: '';
  width: 1px;
  height: 24px;
  background: rgba(201,168,76,0.3);
}

/* After-hero meta strip (tags, github) */
.se-meta-strip {
  padding: 2rem max(2rem, 5vw);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(201,168,76,0.08);
}
.se-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.se-meta-tag {
  font: 400 0.65rem/1 var(--font-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border: 1px solid rgba(201,168,76,0.15);
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
}

/* ===========================================
   EXPAND ON HOVER  (project pages — figures)
=========================================== */
.eh-section {
  padding: 5rem 0;
  border-bottom: 1px solid rgba(201,168,76,0.06);
}
.eh-inner {
  width: min(1100px, 90vw);
  margin: 0 auto;
}
.eh-row {
  display: flex;
  gap: 4px;
  height: 360px;
  overflow: hidden;
  border-radius: 4px;
}
.eh-item {
  flex: 0 0 72px;
  overflow: hidden;
  border-radius: 3px;
  transition: flex-basis 0.55s cubic-bezier(0.16,1,0.3,1);
  cursor: pointer;
  position: relative;
  background: var(--surface);
}
.eh-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  filter: brightness(0.75) saturate(0.8);
  transition: filter 0.4s;
}
.eh-item:hover img, .eh-item.eh-default img { filter: brightness(0.95) saturate(1); }
.eh-item-label {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  font: 400 0.65rem/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  opacity: 0;
  transition: opacity 0.3s 0.2s;
}
.eh-item:hover .eh-item-label,
.eh-item.eh-default .eh-item-label { opacity: 1; }
.eh-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  pointer-events: none;
}

@media (max-width: 768px) {
  .se-title-wrap { gap: 0.2em; }
  .se-word { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .eh-row { height: 240px; }
  .eh-item { flex: 0 0 48px; }
  .se-stat-row { gap: 1.5rem; }
  .se-rule { display: none; }
  .se-media-inner { padding: 1.5rem; }
}