/* ============================================================
   Jessie Huang — Portfolio 2026
   Design System: Light mode · Orange accent · Editorial layout
   ============================================================ */

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.1vw, 1.1rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.9s var(--ease);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-img);
}

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  /* Light mode */
  --bg:              #FAFAF8;
  --bg-subtle:       #F5F3EF;
  --surface:         #FFFFFF;
  --border:          #E8E6E0;
  --text:            #1A1A1A;
  --text-secondary:  #6B6860;
  --text-muted:      #A09E98;

  /* Accent — burnt orange (single source of truth — update here to retheme) */
  --accent:          #C4530A;
  --accent-hover:    #A34409;
  --accent-subtle:   #FFF3EE;

  /* Hero background — subtle warm tint only here */
  --bg-hero:         #FFF8F4;  /* very soft warm tint, hero only */

  /* Typography */
  --font-display: 'Instrument Sans', system-ui, sans-serif;
  --font-sans:    'Bricolage Grotesque', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  /* Radius */
  --radius:     10px;
  --radius-lg:  20px;
  --radius-img: 14px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s var(--ease);
}

/* ── Layout Container ───────────────────────────────────── */
.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

/* ── Navigation ─────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}
#nav.scrolled {
  background-color: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-name {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  transition: color var(--transition);
}
.nav-name:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--accent); }
.nav-link svg { opacity: 0.6; transition: opacity var(--transition), transform var(--transition); }
.nav-link:hover svg { opacity: 1; transform: translate(1px, -1px); }

/* Projects dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-secondary);
  padding: 0;
  transition: color var(--transition);
}
.nav-dropdown-trigger:hover,
.nav-dropdown.open .nav-dropdown-trigger { color: var(--accent); }
.nav-dropdown-trigger svg {
  transition: transform 0.25s var(--ease);
  opacity: 0.6;
}
.nav-dropdown.open .nav-dropdown-trigger svg { transform: rotate(180deg); opacity: 1; }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  min-width: 230px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0,0,0,0.04);
}
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 400;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-dropdown-menu a:hover {
  color: var(--accent);
  background: var(--accent-subtle);
}
.nav-dropdown-menu .dropdown-lock {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-left: 4px;
  vertical-align: middle;
}

/* ── Hero ────────────────────────────────────────────────── */
@keyframes heroColorShift {
  0%   { background-color: #FFF8F4; } /* warm orange */
  20%  { background-color: #FFF4F8; } /* soft rose */
  40%  { background-color: #F5F2FF; } /* lavender */
  60%  { background-color: #F0F6FF; } /* sky blue */
  80%  { background-color: #F0FFF7; } /* fresh mint */
  100% { background-color: #FFF8F4; } /* back to warm */
}
.hero {
  min-height: 58vh;
  display: flex;
  align-items: center;
  padding: 80px 0 clamp(2rem, 5vw, 4rem);
  background-color: var(--bg-hero);
  animation: heroColorShift 20s ease-in-out infinite;
}
.hero-inner {
  max-width: 1600px;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.75rem;
  font-weight: 500;
}
.hero-name em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero-bio {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 3rem;
}

/* Scroll indicator */
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.scroll-line {
  display: block;
  width: 1px;
  height: 32px;
  background: var(--border);
  animation: scrollPulse 2s ease-in-out infinite;
}
.scroll-dot {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: scrollPulse 2s ease-in-out infinite 0.3s;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ── Project Entries ─────────────────────────────────────── */
.project-entry {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: 1px solid var(--border);
  /* No background color transitions on project sections — stays on --bg */
}

/* Homepage project entry — side-by-side layout */
.project-body {
  display: grid;
  grid-template-columns: 60fr 40fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
.project-visual { min-width: 0; } /* prevent grid blowout */
.project-info   { min-width: 0; }

/* Homepage images always stack vertically with generous gap */
.project-visual .project-images {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0;
}
.project-visual .project-images > * {
  width: 100%;
}
.project-visual .project-images img {
  display: block;
  border-radius: var(--radius-img);
}

.project-header { margin-bottom: 2rem; }

.project-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}
.project-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}
.project-lock {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(196, 83, 10, 0.25);
  border-radius: 100px;
  padding: 3px 10px 3px 8px;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.75rem;       /* fixed — not fluid, intentional */
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}
.project-desc {
  font-size: clamp(0.95rem, 1.3vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 620px;
}

/* ── Image Layouts ───────────────────────────────────────── */
.project-images {
  max-width: 1600px;
  margin: 0 0 1.5rem;
}
.image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.image-trio {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
}

/* Placeholder blocks */
.img-placeholder {
  aspect-ratio: 4/3;
  background: var(--bg-subtle);
  border-radius: var(--radius-img);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.img-placeholder--wide { aspect-ratio: 16/9; }
.image-single .img-placeholder { aspect-ratio: 16/9; }

.img-placeholder span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 40%,
    rgba(196, 83, 10, 0.05) 50%,
    transparent 60%
  );
  background-size: 200% 200%;
  animation: shimmer 3s ease infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 200%; }
  100% { background-position: -200% -200%; }
}

/* ── CTA Link ────────────────────────────────────────────── */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--accent);
  transition: color var(--transition), gap var(--transition);
}
.cta-link:hover { color: var(--accent-hover); gap: 14px; }
.cta-link svg { transition: transform var(--transition); }
.cta-link:hover svg { transform: translateX(3px); }

/* ── About ───────────────────────────────────────────────── */
.about {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: 1px solid var(--border);
}
.about-inner {
  display: flex;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: flex-start;
}
.about-text {
  flex: 0 0 60%;
  max-width: 60%;
}
.about-heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.about-text p {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.about-text p:last-child { margin-bottom: 0; }
.mono-inline {
  font-family: var(--font-mono);
  font-size: 0.88em;
  font-weight: 300;
  color: var(--text);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}
.about-skills { flex: 1; padding-top: 0.25rem; }
.skills-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.skills-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-pill {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  transition: color var(--transition), border-color var(--transition);
}
.skill-pill:hover {
  color: var(--accent);
  border-color: rgba(196, 83, 10, 0.4);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}
.footer-link:hover { color: var(--accent); }
.footer-link svg { opacity: 0.5; transition: opacity var(--transition), transform var(--transition); }
.footer-link:hover svg { opacity: 1; transform: translate(1px, -1px); }

/* ── Scroll Animations ───────────────────────────────────── */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.animate-in.visible { opacity: 1; transform: translateY(0); }

.project-header.animate-in.visible { transition-delay: 0s; }
.project-images.animate-in.visible { transition-delay: 0.1s; }
.project-cta.animate-in.visible    { transition-delay: 0.18s; }
.hero-label.animate-in.visible     { transition-delay: 0s; }
.hero-name.animate-in.visible      { transition-delay: 0.08s; }
.hero-bio.animate-in.visible       { transition-delay: 0.16s; }
.hero-scroll.animate-in.visible    { transition-delay: 0.24s; }

/* ── Project Pages (shared) ──────────────────────────────── */
.project-page { padding-top: 64px; }

.project-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-muted);
  padding: 2rem 0 0;
  transition: color var(--transition), gap var(--transition);
}
.project-back:hover { color: var(--accent); gap: 12px; }
.project-back svg { transition: transform var(--transition); }
.project-back:hover svg { transform: translateX(-3px); }

.project-page-header { padding: 3rem 0 4rem; }
.project-page-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(196, 83, 10, 0.25);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 1.5rem;
}
.project-page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 500;
  max-width: 60%;
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.project-page-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.project-page-summary {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 60%;
}

.project-meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.meta-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.meta-value {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
}

.project-hero-image { margin-bottom: 5rem; }
.project-hero-image img {
  width: 100%;
  max-width: 1600px;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
}
.project-hero-image .img-placeholder {
  width: 100%;
  max-width: 1600px;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
}

/* Overview + role info split (65/35 text-text) */
.overview-role-split {
  display: grid;
  grid-template-columns: 65fr 35fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
  max-width: 1600px;
  margin: 0 auto 5rem;
}

/* Content blocks */
.content-section {
  max-width: 1600px;
  margin: 0 auto 2.5rem;
}
.content-section--wide {
  max-width: 1600px;
  margin: 0 auto 2.5rem;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.content-section h3,
.overview-col h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 1rem;
}
.content-section p,
.content-section li,
.overview-col p,
.overview-col li {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.content-section ul,
.overview-col ul { padding-left: 1.2rem; margin-bottom: 1rem; }

.role-block {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
}
.role-block h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.role-block ul { padding-left: 1.2rem; margin: 0; }
.role-block li {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.5rem;
}
.role-block li:last-child { margin-bottom: 0; }

.callout {
  border-left: 2px solid var(--accent);
  padding: 1.25rem 1.5rem;
  background: var(--accent-subtle);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 2rem 0;
}
.callout p {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.6;
  margin: 0;
  font-style: italic;
}

.callout--warning {
  border-left-color: #B8860B;
  background: #FFFBF0;
}

/* Inline text link */
.inline-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.inline-link:hover { color: var(--accent-hover); }

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}
.outcome-item { background: var(--surface); padding: 2rem 1.75rem; }
.outcome-stat {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-style: italic;
}
.outcome-label {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.4;
}

.image-full { margin-bottom: 2rem; }
.image-full img,
.image-full .img-placeholder { width: 100%; display: block; border-radius: var(--radius-lg); }
.image-pair-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
.image-pair-section img,
.image-pair-section .img-placeholder { width: 100%; display: block; border-radius: var(--radius-img); }
.image-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 0.6rem;
  padding: 0 0.25rem;
}

/* Content split — image + text side by side (for project pages) */
/* Default: image left (65%) · text right (35%) */
.content-split {
  display: grid;
  grid-template-columns: 65fr 35fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
  max-width: 1600px;
  margin: 0 auto 5rem;
}
.split-text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 0.85rem;
}
.split-text p,
.split-text li {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.85rem;
}
.split-text ul { padding-left: 1.2rem; margin-bottom: 0.85rem; }
.split-media .img-placeholder,
.split-media img { width: 100%; display: block; border-radius: var(--radius-img); }

/* Next project bar */
.next-project {
  border-top: 1px solid var(--border);
  padding: clamp(3rem, 5vw, 4rem) 0;
}
.next-project-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.next-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.next-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 500;
  color: var(--text);
  margin-top: 0.4rem;
  transition: color var(--transition);
}
.next-project a:hover .next-title { color: var(--accent); }
.next-arrow {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.next-project a:hover .next-arrow {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateX(4px);
}

/* Password Gate */
#pw-gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.pw-box {
  width: min(420px, 90vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}
.pw-lock-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-subtle);
  border: 1px solid rgba(196, 83, 10, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
}
.pw-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.pw-hint {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.5;
}
.pw-input-row { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
.pw-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
}
.pw-input:focus { border-color: var(--accent); }
.pw-input::placeholder { color: var(--text-muted); }
.pw-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.pw-submit:hover { background: var(--accent-hover); transform: translateY(-1px); }
.pw-submit:active { transform: translateY(0); }
.pw-error {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #C0392B;
  display: none;
}
.pw-error.visible { display: block; }
.pw-back { margin-top: 1.25rem; text-align: center; }
.pw-back a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: color var(--transition);
}
.pw-back a:hover { color: var(--accent); }

/* ── Mobile Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .hero { min-height: 44vh; padding-top: 72px; }
  .project-body { grid-template-columns: 1fr; }
  .content-split { grid-template-columns: 1fr; }
  .overview-role-split { grid-template-columns: 1fr; }
  .project-page-title,
  .project-page-summary { max-width: 100%; }
  .hero-name { font-size: clamp(2.8rem, 11vw, 4rem); }
  .image-pair, .image-pair-section { grid-template-columns: 1fr; }
  .image-trio { grid-template-columns: 1fr; }
  .about-inner { flex-direction: column; gap: 2.5rem; }
  .about-text { flex: none; max-width: 100%; }
  .project-meta-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .next-project-inner { flex-direction: column; align-items: flex-start; }
  .outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-dropdown-menu { left: auto; right: 0; transform: translateY(-6px); }
  .nav-dropdown.open .nav-dropdown-menu { transform: translateY(0); }
}

@media (max-width: 480px) {
  .nav-links { gap: 1.2rem; }
  .project-meta-strip { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .outcomes-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Focus / Accessibility ───────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}