/* ─── DESIGN TOKENS ──────────────────────────────────── */
:root {
  --bg:           #ffffff;
  --bg-subtle:    #f8f8f8;
  --text:         #333333;
  --text-muted:   #999999;
  --text-light:   #666666;
  --border:       #ededed;
  --tag-bg:       #333333;
  --tag-color:    #ffffff;
  --nav-bg:       rgba(255,255,255,0.92);
  --highlight-bg: rgba(0,0,0,0.1);
}
[data-theme="dark"] {
  --bg:           #111111;
  --bg-subtle:    #1a1a1a;
  --text:         #f0f0f0;
  --text-muted:   #666666;
  --text-light:   #999999;
  --border:       #222222;
  --tag-bg:       #f0f0f0;
  --tag-color:    #111111;
  --nav-bg:       rgba(17,17,17,0.92);
  --highlight-bg: rgba(255,255,255,0.15);
}

/* ─── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Roboto', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ─── NAV ────────────────────────────────────────────── */
#nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  transition: opacity 0.3s, pointer-events 0.3s;
  -webkit-backdrop-filter: blur(10px);
  /* border-bottom: 1px solid var(--border); */
  transition: background 0.3s, border-color 0.3s;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo-img { height: 26px; width: auto; object-fit: contain; }
[data-theme="dark"] .nav-logo-img { filter: invert(1); }
.nav-right { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; list-style: none; gap: 28px; }
.nav-links a {
  font-size: 14px; font-weight: 400; color: var(--text-muted);
  letter-spacing: -0.02em; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.theme-toggle { background: none; border: none; cursor: pointer; padding: 2px; display: flex; align-items: center; }
.toggle-track {
  display: block; width: 36px; height: 20px;
  background: var(--border); border-radius: 5px;
  position: relative; transition: background 0.25s;
}
[data-theme="dark"] .toggle-track { background: #555; }
.toggle-thumb {
  display: flex; align-items: center; justify-content: center;
  width: 14px; height: 14px;
  background: var(--text); border-radius: 3px;
  position: absolute; top: 3px; left: 3px;
  transition: transform 0.25s;
  color: var(--bg);
}
[data-theme="dark"] .toggle-thumb { transform: translateX(16px); }
.toggle-sun { display: block; }
.toggle-moon { display: none; }
[data-theme="dark"] .toggle-sun { display: none; }
[data-theme="dark"] .toggle-moon { display: block; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--text); }

.mobile-menu {
  display: none; position: fixed; inset: 60px 0 0 0; z-index: 99;
  background: var(--bg); flex-direction: column; padding: 32px 24px;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-link {
  display: block; font-size: 28px; font-weight: 500; color: var(--text);
  padding: 16px 0; border-bottom: 1px solid var(--border); letter-spacing: -0.03em;
}

/* ─── ABOVE FOLD ─────────────────────────────────────── */
.above-fold {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

/* ─── HERO ───────────────────────────────────────────── */
#hero {
  flex: 1;
  padding-top: 60px;
  padding-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-left: 40px;
  padding-right: 40px;
  background: radial-gradient(ellipse 65% 55% at 50% 50%, rgba(0,0,0,0.04) 0%, transparent 75%);
}
[data-theme="dark"] #hero {
  background: radial-gradient(ellipse 65% 55% at 50% 50%, rgba(255,255,255,0.04) 0%, transparent 75%);
}
.hero-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 20px; max-width: 780px;
  animation: fadeUp 0.65s ease both;
}

.hero-texts {
  display: flex; flex-direction: column; align-items: center;
  gap: 20px; margin-bottom: 20px;
  font-size: clamp(30px, 5.5vw, 60px);
  font-weight: 500; letter-spacing: -0.04em; line-height: 1.1; color: var(--text);
}

.hero-line1 {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 10px;
}
.hero-hi   { font-weight: 500; }
.hero-name { font-weight: 500; }

.gif-inline {
  width: 72px; height: 56px; border-radius: 5px;
  overflow: hidden; flex-shrink: 0; background: var(--border);
}
.gif-inline iframe { width: 100%; height: 100%; border: none; display: block; pointer-events: none; }
.gif-inline img { width: 100%; height: 100%; border: none; display: block; object-fit: cover; }

.hero-tagline {
  font-weight: 500; letter-spacing: -0.04em; line-height: 1.1; color: var(--text);
}
.hero-tagline-muted { color: var(--text-muted); }

.hero-bio { display: flex; flex-direction: column; gap: 4px; }
.hero-bio p { font-size: 14px; color: var(--text-muted); letter-spacing: -0.01em; line-height: 1.6; }
.hero-bio strong { color: var(--text-light); font-weight: 500; }

/* ─── WORKS ──────────────────────────────────────────── */
#works { padding: 80px 40px 100px; max-width: 1200px; margin: 0 auto; }
.category-block { margin-bottom: 80px; }
.category-block:last-child { margin-bottom: 0; }
.category-label {
  font-size: 32px; font-weight: 700; color: var(--text);
  text-align: center; margin-bottom: 32px;
  letter-spacing: -0.03em; line-height: 1.1;
}
.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
.works-grid-wide-row { row-gap: 64px; }

/* ─── CARD ───────────────────────────────────────────── */
.card { display: flex; flex-direction: column; gap: 14px; cursor: pointer; transition: opacity 0.2s; }
.card:hover { opacity: 0.8; }
.card-thumb { width: 100%; aspect-ratio: 3/2; border-radius: 5px; overflow: hidden; background: var(--bg-subtle); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s cubic-bezier(0.16,1,0.3,1); }
.card:hover .card-thumb img { transform: scale(1.03); }
.card-body { display: flex; flex-direction: column; gap: 6px; }
.card-title { font-size: 17px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.3; color: var(--text); }
.card-meta  { font-size: 13px; color: var(--text-muted); letter-spacing: -0.02em; }
.card-desc  { font-size: 13px; color: var(--text-muted); letter-spacing: -0.01em; line-height: 1.55; }
.card-tags  { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag {
  font-size: 11px; font-weight: 500;
  color: var(--tag-color); background: var(--tag-bg);
  padding: 4px 10px; border-radius: 5px; letter-spacing: -0.01em;
}

/* ─── SCROLL INDICATOR ───────────────────────────────── */
.scroll-indicator {
  display: flex; flex-direction: column; align-items: center;
  gap: 16px; padding: 0 0 60px;
}
.scroll-indicator .gif-inline { pointer-events: none; }
.scroll-arrow {
  width: 22px; height: 22px;
  animation: bounceDown 1.8s ease-in-out infinite;
}
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

/* ─── CTA ────────────────────────────────────────────── */
#cta {
  padding: 120px 40px; display: flex; flex-direction: column;
  align-items: center; text-align: center; gap: 14px;
}
.cta-heading {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: clamp(22px, 4vw, 45px); font-weight: 700;
  letter-spacing: -0.04em; line-height: 1.15;
}
.cta-line1 { display: flex; align-items: center; gap: 12px; }
.cta-sub { font-size: 14px; color: var(--text-muted); line-height: 1.6; letter-spacing: -0.01em; }

.cta-buttons {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 10px;
}
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border: 1px solid var(--border);
  background: transparent; color: var(--text);
  font-size: 14px; font-weight: 500; border-radius: 5px;
  cursor: pointer; font-family: inherit;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s;
  letter-spacing: -0.01em; text-decoration: none;
}
.cta-btn:hover { opacity: 0.6; }
.cta-btn-email {
  background: var(--text); color: var(--bg); border-color: var(--text);
}
.cta-btn-email .svg-icon { filter: invert(1); }
[data-theme="dark"] .cta-btn-email .svg-icon { filter: brightness(0); }
.cta-btn-icon { width: 16px; height: 16px; flex-shrink: 0; }

/* ─── SVG ICONS ──────────────────────────────────────── */
.svg-icon { filter: brightness(0); }
[data-theme="dark"] .svg-icon { filter: invert(1); }

/* ─── BACK TO TOP ─────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 90;
  width: 44px; height: 44px;
  background: #1a1a1a; border: none;
  border-radius: 5px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { opacity: 0.75; }
.back-to-top img { width: 18px; height: 18px; display: block; filter: invert(1) !important; }

/* ─── NAV HIDDEN ─────────────────────────────────────── */
#nav.nav-hidden { opacity: 0; pointer-events: none; }

/* ─── FOOTER ─────────────────────────────────────────── */
footer {
  padding: 28px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 13px; color: var(--text-muted);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

/* ─── ABOUT PAGE ─────────────────────────────────────── */
body:has(.about-page-inner) { min-height: 100vh; display: flex; flex-direction: column; }
body:has(.about-page-inner) main { flex: 1; }
.about-page-inner { max-width: 960px; margin: 0 auto; padding: 100px 40px 120px; }
.about-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 60px; align-items: stretch; margin-top: 40px; }

.about-heading { font-size: clamp(28px, 4vw, 52px); font-weight: 700; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 32px; }
.about-body { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.about-body p { font-size: 16px; color: var(--text-light); line-height: 1.8; }
.about-body strong { color: var(--text); font-weight: 500; }
.about-email { display: inline-block; font-size: 15px; font-weight: 500; color: var(--text); text-decoration: underline; text-underline-offset: 3px; transition: opacity 0.2s; }
.about-email:hover { opacity: 0.5; }
.about-portrait { width: 100%; border-radius: 5px; overflow: hidden; background: var(--bg-subtle); }
.about-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-toggle { display: inline; background: none; border: none; padding: 0; font: inherit; color: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; text-decoration-style: dotted; text-align: left; }
.about-toggle::after { content: '›'; display: inline-block; font-size: 2em; font-weight: 300; font-style: normal; line-height: 0; vertical-align: middle; margin-left: 4px; transform: rotate(90deg); transition: transform 0.3s cubic-bezier(0.16,1,0.3,1); }
.about-toggle.active::after { transform: rotate(270deg); }
.about-expand-panel { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.16,1,0.3,1); }
.about-expand-panel.open { max-height: 600px; }
.about-expand-inner { display: flex; flex-direction: column; gap: 20px; padding: 14px 0 14px 20px; border-left: 1px solid var(--text); }
.project-quote-def { font-size: 14px; font-style: normal; font-weight: 400; text-align: left; color: var(--text-muted); }
.project-quote .about-toggle::after { margin-left: 10px; }
.about-expand-item { display: flex; flex-direction: column; gap: 3px; }
.about-expand-org { font-size: 14px; font-weight: 500; color: var(--text); letter-spacing: -0.01em; }
.about-expand-role { font-size: 14px; color: var(--text-light); }
.about-expand-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; letter-spacing: 0.01em; }
.about-actions { margin-top: 40px; }

/* ─── PROJECT PAGE ───────────────────────────────────── */
.project-page { padding-top: 60px; min-height: 100vh; }
.project-page-inner { max-width: 900px; margin: 0 auto; padding: 80px 40px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-muted); margin-bottom: 48px; transition: color 0.2s; }
.back-link:hover { color: var(--text); }
.project-page h1 { font-size: clamp(28px, 4vw, 52px); font-weight: 700; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 12px; }
.project-page .meta { font-size: 14px; color: var(--text-muted); letter-spacing: -0.02em; margin-bottom: 32px; }
.project-page .hero-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 5px; margin-bottom: 48px; display: block; height: auto; }
.project-page .desc { font-size: 16px; color: var(--text-light); line-height: 1.75; max-width: 640px; }

/* ─── ANIMATIONS ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s cubic-bezier(0.16,1,0.3,1), transform 0.65s cubic-bezier(0.16,1,0.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 1024px) {
  #nav, footer { padding-left: 24px; padding-right: 24px; }
  #hero, #works, #cta { padding-left: 24px; padding-right: 24px; }
  .about-page-inner, .project-page-inner { padding-left: 24px; padding-right: 24px; }
}
@media (max-width: 768px) {
  .about-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-portrait img { height: auto; }
  .nav-links, .theme-toggle { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }
  #hero { padding-top: 80px; padding-bottom: 40px; }
  .hero-texts { font-size: clamp(26px, 7vw, 40px); gap: 14px; margin-bottom: 14px; }
  .gif-inline { width: 52px; height: 40px; }
  #cta { text-align: left; align-items: flex-start; }
  .works-grid { grid-template-columns: 1fr; gap: 28px; }
  footer { gap: 8px; }
  #cta { text-align: left; align-items: flex-start; }
}

/* ─── PROJECT PAGE COMPONENTS ────────────────────────── */
.project-hero {
  width: 100%;
  height: 52vh;
  min-height: 320px;
  margin-top: 60px;
  overflow: hidden;
}
.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-article {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  padding: 56px 40px 120px;
}

.project-article > h1 {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 10px;
  color: var(--text);
}

.project-subtitle {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.65;
  max-width: 660px;
  margin-bottom: 10px;
}

/* ─── PROJECT INTRO BLOCK ────────────────────────────── */
.project-intro {
  margin: 32px calc(-50vw + 50%) 0;
  padding: 52px calc(50vw - 50%);
  background: var(--bg-subtle);
}
.project-intro-inner {
  max-width: 640px;
  margin: 0 auto;
}
.project-intro-statement {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 20px;
}
.project-intro-body {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.85;
  margin-bottom: 32px;
  max-width: 600px;
}
.project-intro-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.project-intro-photos img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}
@media (max-width: 540px) {
  .project-intro-photos { grid-template-columns: repeat(2, 1fr); }
  .project-intro-photos img:last-child { display: none; }
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 28px 0;
  margin-bottom: 28px;
}

.meta-col-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.meta-col-value {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  letter-spacing: -0.01em;
}
ul.meta-col-value {
  list-style: none;
  padding: 0;
  margin: 0;
}
ul.meta-col-value li {
  padding-left: 0.54em;
  text-indent: -0.54em;
}

.project-badge {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 40px;
  letter-spacing: -0.01em;
}
.project-badge a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Idea section — text left, video right */
.idea-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.idea-video {
  position: sticky;
  top: 100px;
}
.idea-video-player {
  position: relative;
  aspect-ratio: 9 / 16;
}
.idea-video-player iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
@media (max-width: 640px) {
  .idea-layout {
    grid-template-columns: 1fr;
  }
  .idea-video {
    position: static;
    height: auto;
  }
  .idea-video-player {
    aspect-ratio: 9 / 16;
    flex: none;
  }
}

/* Mixed portrait + landscape row — same height, no cropping */
.project-img-mixed-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 32px;
  overflow: hidden;
}
.project-img-mixed-row img {
  height: 280px;
  width: auto;
  display: block;
  flex-shrink: 1;
  border-radius: 5px;
}
@media (max-width: 600px) {
  .project-img-mixed-row {
    flex-direction: column;
  }
  .project-img-mixed-row img {
    height: auto;
    width: 100%;
  }
}

/* Hardware system diagram */
.hw-diagram-wrap {
  margin: 36px 0;
}
.hw-diagram {
  width: 100%;
  height: auto;
  color: var(--text);
}
.hw-packet {
  fill: var(--text);
}
.hw-icon {
  /* SVGs have black fill — invert in dark mode */
}
[data-theme="dark"] .hw-icon {
  filter: invert(1);
}
.hw-label {
  font-family: 'Roboto', sans-serif;
  font-size: 11px;
  font-weight: 500;
  fill: var(--text-muted);
}

/* System group — binds Hardware / AI / Form into one block */
.project-system-group {
  position: relative;
  padding-left: 28px;
  margin-top: 32px;
  margin-bottom: 60px;
}
.project-system-group::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20px; /* matches first item's padding-top */
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.project-system-label {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-top: 60px;
  margin-bottom: 16px;
}
.project-system-item {
  padding-top: 20px;
}
.project-system-item h2 {
  font-variant-numeric: tabular-nums;
}

/* Challenges / Accomplishments / Learnings — scroll carousel */
.scroll-cards-outer {
  height: 500vh;
  position: relative;
  margin-top: 20px;
  margin-left: -40px;
  margin-right: -40px;
}
.scroll-cards-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 40px;
}
.scroll-cards-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-cards-section-label {
  position: absolute;
  top: 80px;
  left: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  z-index: 2;
}
.scroll-card {
  position: absolute;
  width: 100%;
  max-width: 640px;
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.5s cubic-bezier(0.16,1,0.3,1), transform 0.5s cubic-bezier(0.16,1,0.3,1);
  pointer-events: none;
}
.scroll-card.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-card.exit {
  opacity: 0;
  transform: translateY(-32px);
}
.scroll-card-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}
.scroll-card ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: card-item;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.scroll-card ol li {
  counter-increment: card-item;
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  gap: 0.6em;
  padding-left: 0;
  text-indent: 0;
}
.scroll-card ol li::before {
  content: counter(card-item, decimal-leading-zero) '.';
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  flex-shrink: 0;
  padding-top: 0.2em;
}
.scroll-card-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s;
}
.scroll-dot.active {
  background: var(--text);
}

.project-video-wrap {
  margin-top: 32px;
}
.project-video-embed {
  position: relative;
  padding-top: 56.25%; /* 16:9 */
}
.project-video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.project-video-caption {
  display: block;
  width: 100%;
  font-size: 8px;
  color: var(--text-muted);
  opacity: 0.6;
  margin-top: 8px;
  letter-spacing: -0.01em;
  text-align: center;
}

/* Vertical embed for YouTube Shorts (9:16) */
.project-video-short {
  margin: 32px auto 0;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 9 / 16;
  border-radius: 8px;
  overflow: hidden;
}
.project-video-short iframe {
  width: 100%;
  height: 100%;
  display: block;
}

.project-quote {
  text-align: center;
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 500;
  font-style: italic;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--text);
  padding: 80px calc(50vw - 50%);
  margin: 48px calc(-50vw + 50%);
  background: var(--bg-subtle);
}

.project-quote cite {
  display: block;
  font-size: 13px;
  font-style: normal;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.project-section {
  padding-top: 60px;
}

.project-section h2 {
  font-family: 'Roboto', sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 14px;
}
.project-system-item h2 {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0;
  margin-bottom: 14px;
}

.project-section h3 {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
}

.project-section p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 14px;
  max-width: 680px;
}

.project-section p strong {
  color: var(--text);
  font-weight: 500;
}

.project-img {
  width: 100%;
  border-radius: 5px;
  overflow: hidden;
  margin-top: 40px;
}
.project-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}

.project-img-sm {
  width: 100%;
  border-radius: 5px;
  overflow: hidden;
  margin-top: 40px;
}
.project-img-sm img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.project-img-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.project-img-row .project-img,
.project-img-row .project-img-sm {
  margin-top: 0;
}

.project-img-row3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.project-img-row3 .project-img-sm {
  margin-top: 0;
}

.project-closing-quote {
  text-align: center;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 500;
  font-style: italic;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--text-muted);
  padding: 80px 20px 40px;
  margin-top: 60px;
}

.project-link {
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 1px;
  margin-top: 12px;
  transition: opacity 0.2s;
}
.project-link:hover { opacity: 0.6; }

.section-divider { display: none; }

/* ─── PROJECT NAV ────────────────────────────────────── */
.project-nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 40px 64px;
}
.project-nav-heading {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.project-nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.project-nav .card {
  flex-direction: row;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-subtle);
  border-radius: 10px;
  padding: 14px;
}
.project-nav .card-thumb {
  width: 130px;
  flex-shrink: 0;
  align-self: stretch;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.project-nav .card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-nav .card-body {
  flex: 1;
  gap: 3px;
}
.project-nav .card-title {
  font-size: 14px;
}
.project-nav .card-desc {
  font-size: 12px;
}
.project-nav .card-tags {
  margin-top: 4px;
}
@media (max-width: 540px) {
  .project-nav .card {
    flex-direction: column;
  }
  .project-nav .card-thumb {
    width: 100%;
    aspect-ratio: 3/2;
    height: auto;
  }
  .project-nav .card-thumb img {
    height: 100%;
  }
}

/* ─── TEXT HIGHLIGHT ─────────────────────────────────── */
.text-highlight {
  background-image: linear-gradient(to right, var(--highlight-bg) 0%, var(--highlight-bg) 100%);
  background-size: 0% 85%;
  background-repeat: no-repeat;
  background-position: 0 58%;
  transition: background-size 0.55s cubic-bezier(0.4, 0, 0.2, 1), font-weight 0s 0.3s;
  padding: 0 3px;
  margin: 0 -3px;
  border-radius: 2px;
}
.text-highlight.highlighted {
  background-size: 100% 85%;
  font-weight: 700;
}


/* ─── HMW BLOCK ──────────────────────────────────────── */
.project-hmw {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  background: #2e2e2e;
  padding: 56px 40px;
  margin: 48px 0;
}
[data-theme="dark"] .project-hmw {
  background: #1e1e1e;
}
.project-hmw-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.project-hmw h2 {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0;
  margin-bottom: 14px;
}
.project-hmw h3 {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  color: #d4d4d4;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

/* ─── STAT CARDS ─────────────────────────────────────── */
.project-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}
.project-stat {
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: center;
}
.project-stat-num {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
}
.project-stat-label {
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
}
.project-stat-prev {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.project-stat--hero .project-stat-num {
  font-size: clamp(40px, 6vw, 56px);
}
.project-stats-secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.project-stat--small .project-stat-num {
  font-size: 20px;
}
.project-stat--small .project-stat-label {
  font-size: 11px;
  color: var(--text-muted);
}
/* ─── INSIGHTS ───────────────────────────────────────── */
.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 36px 0 0;
}
.insight-card {
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.insight-num {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}
.insight-headline {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.3;
}
.insight-pull {
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 16px;
  line-height: 1.5;
}

/* ─── MEMORY POT SHOWCASE ────────────────────────────── */
.mp-showcase-band {
  margin: 0 calc(-50vw + 50%) 48px;
  padding: 56px calc(50vw - 50%);
  background: var(--bg-subtle);
}
.mp-showcase-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mp-showcase + .mp-showcase {
  padding-top: 72px;
}
.mp-showcase {}

.mp-showcase h2 {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0;
}
.mp-showcase h3 {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.mp-showcase > p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 0;
}
.mingki-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}
.mingki-photos img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}
.mp-video-row {
  display: flex;
  gap: 10px;
  margin-top: 32px;
}
.mp-video-main {
  flex: 81;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.mp-video-main .project-video-embed {
  flex: 1;
  padding-top: 0;
  min-height: 0;
}
.mp-video-secondary {
  flex: 256;
  min-width: 0;
}
.mp-video-secondary .project-video-embed {
  padding-top: 56.25%;
}
@media (max-width: 600px) {
  .mp-video-row { flex-direction: column; }
  .mp-video-main .project-video-embed { flex: none; padding-top: 177.78%; }
}
.mp-hero-row {
  display: flex;
  gap: 10px;
  margin: 28px 0;
}
.mp-hero-img {
  flex: 256;
  min-width: 0;
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 5px;
  overflow: hidden;
}
.mp-hero-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mp-hero-row .mp-video-main {
  flex: 81;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.mp-hero-row .mp-video-main .project-video-embed {
  flex: 1;
  padding-top: 0;
}
@media (max-width: 600px) {
  .mp-hero-row { flex-direction: column; }
  .mp-hero-img { aspect-ratio: 16 / 9; position: relative; }
  .mp-hero-row .mp-video-main .project-video-embed { padding-top: 177.78%; flex: none; }
}
.mp-hero-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 5px;
  overflow: hidden;
  margin: 28px 0;
}
.mp-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mp-photo-full {
  width: 100%;
  border-radius: 5px;
  display: block;
  margin: 28px 0 10px;
  object-fit: cover;
}
.mp-photo3-video-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.mp-photo3-video-row > img {
  flex: 81;
  min-width: 0;
  border-radius: 5px;
  object-fit: cover;
  display: block;
}
.mp-photo3-video-row > .mp-video-main {
  flex: 256;
  min-width: 0;
}
.mp-photo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 28px 0 0;
}
.mp-photo-row img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}

/* ─── BEHAVIOR LIST ──────────────────────────────────── */
.mp-photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 28px 0;
}
.mp-photos-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}
.mp-personal-note {
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 24px 28px;
  margin: 0 0 32px;
}
.mp-personal-note .scroll-card-label {
  margin-bottom: 10px;
}
.mp-personal-note p:last-child {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin: 0;
}
@media (max-width: 540px) {
  .mp-photos-grid { grid-template-columns: repeat(2, 1fr); }
  .mp-photos-grid img:last-child { display: none; }
}
.memory-pot-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
  align-items: start;
}
.memory-pot-photo img {
  width: 100%;
  border-radius: 5px;
  display: block;
  object-fit: cover;
}
@media (max-width: 600px) {
  .memory-pot-media { grid-template-columns: 1fr; }
}
/* ─── DESIGN DECISIONS ───────────────────────────────── */
.design-decisions-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.design-decisions-list li {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  padding-left: 1em;
  text-indent: -1em;
}
.design-decisions-list li::before {
  content: '·';
  margin-right: 0.5em;
  color: var(--text-muted);
}

/* ─── SYSTEM FLOW DIAGRAM ────────────────────────────── */
.system-flow-diagram {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}
.sfd-row {
  display: flex;
  align-items: stretch;
  gap: 6px;
}
.sfd-spacer {
  flex: 1 1 0;
  min-width: 0;
}
.sfd-step {
  flex: 1 1 0;
  min-width: 0;
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0.35;
  transition: opacity 0.4s ease;
  cursor: pointer;
}
.sfd-step.sfd-active {
  opacity: 1;
}
.sfd-step.sfd-done {
  opacity: 1;
}
.sfd-step.sfd-all-done {
  opacity: 1;
}
.sfd-component {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.sfd-action {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.35;
}
.sfd-arrow {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 16px;
  flex-shrink: 0;
  padding: 0 2px;
}
.sfd-visual {
  margin-top: 10px;
  border-radius: 4px;
  overflow: hidden;
  height: 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
/* Camera viewfinder */
.sfd-visual--camera {
  background: #111;
  align-items: center;
}
.sfd-cam-box {
  width: 44px;
  height: 44px;
  border: 1.5px dashed rgba(255,255,255,0.4);
  border-radius: 2px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sfd-cam-face {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.sfd-step.sfd-active .sfd-cam-face,
.sfd-step.sfd-done .sfd-cam-face,
.sfd-step.sfd-all-done .sfd-cam-face {
  opacity: 1;
}
/* LED glow */
.sfd-visual--led {
  background: #111;
  align-items: center;
}
.sfd-led-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  transition: background 0.5s, box-shadow 0.5s;
}
.sfd-step.sfd-active .sfd-led-dot {
  background: #4ade80;
  box-shadow: 0 0 10px 5px rgba(74,222,128,0.4), 0 0 28px 12px rgba(74,222,128,0.2);
  animation: sfd-led-pulse 1.2s ease-in-out infinite;
}
.sfd-step.sfd-done .sfd-led-dot,
.sfd-step.sfd-all-done .sfd-led-dot {
  background: #4ade80;
  box-shadow: 0 0 8px 4px rgba(74,222,128,0.3), 0 0 20px 8px rgba(74,222,128,0.12);
}
@keyframes sfd-led-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
/* Emotion bars */
.sfd-visual--deepface {
  background: var(--bg);
  padding: 8px 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sfd-emo {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
}
.sfd-emo-label {
  width: 36px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.sfd-emo-bar {
  height: 5px;
  border-radius: 2px;
  background: var(--text);
  flex-shrink: 0;
  transition: width 0.12s ease;
}
.sfd-emo-val {
  color: var(--text-muted);
  font-size: 9px;
}
/* GPIO pins */
.sfd-visual--gpio {
  background: var(--bg);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.sfd-pin {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 3px;
  color: var(--text-muted);
  transition: background 0.3s, color 0.3s;
}
.sfd-pin.active {
  background: var(--bg-subtle);
  color: var(--text);
}
.sfd-pin-state {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 2px;
  background: var(--bg-subtle);
  color: var(--text-muted);
  transition: background 0.3s, color 0.3s;
}
.sfd-pin.active .sfd-pin-state {
  background: var(--text);
  color: var(--bg);
}
/* Pot servos */
.sfd-visual--pot {
  background: var(--bg);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.sfd-servo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 3px;
  color: var(--text-muted);
}
.sfd-servo.active {
  background: var(--bg-subtle);
  color: var(--text);
  font-weight: 500;
}
@keyframes sfd-ear-osc {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}
.sfd-servo.active.sfd-oscillating .sfd-servo-motion {
  display: inline-block;
  animation: sfd-ear-osc 0.45s ease-in-out infinite;
}
@media (max-width: 600px) {
  .sfd-row { flex-direction: column; gap: 4px; }
  .sfd-spacer { display: none; }
  .sfd-arrow { justify-content: center; font-size: 14px; transform: rotate(90deg); }
}

/* ─── BUILD SECTION ──────────────────────────────────── */
.enclosure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 20px 0;
}
.enclosure-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 5px;
  display: block;
}
.build-signal-table {
  margin: 20px 0;
  font-size: 13px;
  border-top: 1px solid var(--border);
}
.bst-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
.bst-header span {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
.bst-row span {
  color: var(--text-light);
}
.bst-row:not(.bst-header) span:first-child {
  color: var(--text);
  font-weight: 500;
}
.project-video-embed--tall {
  padding-top: 75%;
}
@media (max-width: 540px) {
  .enclosure-grid { grid-template-columns: repeat(2, 1fr); }
}

.emotion-gif-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.emotion-gif-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.emotion-gif-item img {
  width: 100%;
  border-radius: 5px;
}
.emotion-gif-item span {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.behavior-callout {
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 20px 24px;
  margin: 20px 0;
}
.behavior-list {
  list-style: none;
  padding: 0;
  margin: 4px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.behavior-list li {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  padding-left: 1.2em;
  position: relative;
}
.behavior-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* ─── PLAYTEST ───────────────────────────────────────── */
.playtest-prompt {
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 24px 28px;
  margin: 28px 0;
}
.playtest-prompt-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.playtest-prompt-q {
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 500;
  font-style: italic;
  line-height: 1.55;
  letter-spacing: -0.02em;
  margin-bottom: 0;
}
.playtest-prompt-toggle-wrap {
  margin-top: 16px;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
}
.playtest-template-expanded {
  width: 100%;
  border-radius: 5px;
  display: block;
  margin-top: 4px;
}
.playtest-gif-loop {
  width: 100%;
  border-radius: 5px;
  display: block;
  margin: 0 0 28px;
}
.playtest-carousel {
  margin: 28px calc(-50vw + 50%) 28px;
  padding: 28px 0;
  user-select: none;
  background: var(--bg-subtle);
}
.pt-clip {
  overflow: hidden;
  cursor: grab;
}
.pt-clip:active { cursor: grabbing; }
.pt-track {
  display: flex;
  gap: 12px;
  transition: transform 0.45s cubic-bezier(0.16,1,0.3,1);
  will-change: transform;
}
.pt-track img {
  flex-shrink: 0;
  border-radius: 5px;
  opacity: 0.25;
  transition: opacity 0.45s;
  object-fit: cover;
  pointer-events: none;
}
.pt-track img.pt-active {
  opacity: 1;
}
.playtest-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 14px;
}
.playtest-btn {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text);
  padding: 4px 10px;
  opacity: 0.35;
  transition: opacity 0.2s;
  line-height: 1;
}
.playtest-btn:hover { opacity: 1; }
.playtest-counter {
  font-size: 13px;
  color: var(--text-muted);
  min-width: 36px;
  text-align: center;
}

.project-stats-caption {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.7;
  margin-top: 6px;
}

/* ─── CARD ROLE LINE ─────────────────────────────────── */
.card-role {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ─── SOCIAL LISTENING NOTES ─────────────────────────── */
.sl-notes {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 28px 0 0;
}
.sl-note {
  position: relative;
  overflow: hidden;
  background-color: #ffffff;
  background-image: repeating-linear-gradient(
    transparent,
    transparent 27px,
    #a8d8f0 27px,
    #a8d8f0 28px
  );
  background-position: 0 20px;
  border-radius: 1px;
  padding: 16px 20px 20px 13%;
  font-family: 'Caveat', cursive;
  font-size: 17px;
  line-height: 28px;
  color: #2a2a2a;
  box-shadow: 0 2px 10px rgba(0,0,0,0.10), 0 0 1px rgba(0,0,0,0.05);
}
.sl-note {
  opacity: 0;
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.sl-note:nth-child(1) { transform: rotate(-1.2deg) translateY(28px); }
.sl-note:nth-child(2) { transform: rotate(0.8deg)  translateY(28px); }
.sl-note:nth-child(3) { transform: rotate(-0.5deg) translateY(28px); }
.sl-note.written:nth-child(1) { opacity: 1; transform: rotate(-1.2deg) translateY(0); }
.sl-note.written:nth-child(2) { opacity: 1; transform: rotate(0.8deg)  translateY(0); }
.sl-note.written:nth-child(3) { opacity: 1; transform: rotate(-0.5deg) translateY(0); }
.sl-note::before {
  content: '';
  position: absolute;
  left: 10%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #d95f3b;
  z-index: 2;
}
.sl-note::after {
  content: '';
  position: absolute;
  inset: 0;
  background: #ffffff;
  z-index: 1;
  transform: translateX(0%);
  transition: transform 1.6s cubic-bezier(0.77, 0, 0.18, 1);
  will-change: transform;
}
.sl-note.written::after {
  transform: translateX(101%);
}

@media (max-width: 768px) {
  .meta-grid { grid-template-columns: repeat(2, 1fr); }
  .project-article { padding: 40px 24px 80px; }
  .project-hero { height: 40vh; }
  .project-quote { padding: 60px 0; }
  .project-img-row { grid-template-columns: 1fr; }
  .project-img-row3 { grid-template-columns: 1fr; }
}