/* Luna Digital Portfolio */
:root {
  --color-primary: #263B7F;
  --color-primary-light: #4F61A0;
  --color-bg: #F3F2F2;
  --color-bg-white: #fff;
  --color-text: #0A0A0A;
  --color-text-dark: #595959;
  --color-text-medium: #747474;
  --color-text-muted: #6b7280;
  --color-border: #D9D9D9;
  --color-on-primary: #fff;
  --color-tag-1: #6B7BBF;
  --color-tag-2: #8B97CC;
  --color-tag-3: #9BA5D0;
  --container-max: 1200px;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

main#main-content {
  padding-top: 2rem;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.project-page {
  background: var(--color-bg-white);
}

h3 {
  font-size: 2.5rem;
  font-weight: 700;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  opacity: 0.85;
}

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-primary);
  padding: .25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding var(--transition);
}

.site-header.scrolled {
  padding: 0.75rem 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.site-logo,
.footer-logo {
  height: 80px;
  width: auto;
}

.site-logo img,
.footer-logo img {
  height: 100%;
  width: auto;
}

.nav-main ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-main a {
  color: var(--color-on-primary);
  font-weight: 500;
  font-size: 1rem;
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--color-primary-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-on-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 768px) {
  .nav-main {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    z-index: 1000;
    background: var(--color-primary);
    padding: 5rem 2rem 2rem;
    transition: right var(--transition);
    box-shadow: -5px 0 20px rgba(0,0,0,0.3);
  }

  .nav-main ul {
    flex-direction: column;
    gap: 1.5rem;
  }

  .nav-main.open {
    right: 0;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 1001;
  }

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

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline::before {
    left: 0.25rem;
  }

  .timeline-marker {
    left: calc(-1.5rem + 0.25rem);
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
  }

  .timeline-content {
    padding: 1.25rem 1.5rem;
  }

  .timeline-title {
    font-size: 1.2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-profile {
    position: static;
    max-width: 320px;
    margin: 0 auto;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/images/BG.jpg') center/cover no-repeat;
  filter: blur(5px);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(38, 59, 127, 0.72);
  z-index: 1;
}

.hero-text h1,
.hero-text .subline {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.hero-text .subline {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-circle {
  width: min(400px, 80vw);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-circle img {
  width: 85%;
  height: 85%;
  object-fit: contain;
}

@media (max-width: 1200px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image-circle {
    width: min(280px, 60vw);
  }
}

/* Section */
.section {
  padding: 4rem 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-title,
.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

.section-title { margin-bottom: 2rem; }
.cta-section h2 { margin-bottom: 1rem; }

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

#featured-grid,
#portfolio-grid {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 600px) {
  #featured-grid,
  #portfolio-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

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

  .project-body-images {
    grid-template-columns: 1fr;
  }

  .project-masthead {
    min-height: 40vh;
  }
}

.project-card {
  background: var(--color-bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.project-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-border);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card-date {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--color-text-muted);
  margin: 0 0 .35rem;
  order: -1;
}

.project-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-card-description {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary:hover {
  background: var(--color-primary-light);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.project-card .btn {
  align-self: flex-start;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(38, 59, 127, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: var(--transition);
}
.back-to-top:hover { background: var(--color-primary-light); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top i { font-size: 1.25rem; }

/* Portfolio Filters */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--color-bg-white);
  color: var(--color-text);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

/* CTA Section */
.cta-section {
  padding: 4rem 2rem;
  text-align: center;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.cta-section p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.cta-section--blue {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-top-color: rgba(255,255,255,.15);
}
.cta-section--blue p { opacity: 0.95; }

.cta-section--blue .btn-primary { background: var(--color-bg-white); color: var(--color-primary); }
.cta-section--blue .btn-primary:hover { background: var(--color-bg); color: var(--color-text); }
.cta-section--blue .btn-outline { color: inherit; border-color: currentColor; }
.cta-section--blue .btn-outline:hover { background: var(--color-on-primary); color: var(--color-primary); border-color: var(--color-on-primary); }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 1rem 6rem 1rem 1rem;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.95rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--color-on-primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), transform var(--transition);
}

.footer-social a:hover {
  color: var(--color-primary-light);
  transform: scale(1.1);
}

/* About & Contact page sections */
.about-section,
.contact-section {
  padding: 6rem 2rem 4rem;
  margin: 0 auto;
}

.about-section { max-width: var(--container-max); }
.contact-section { max-width: 1000px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

.about-image {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.about-image img {
  width: 100%;
}

.about-content h1,
.contact-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about-content .subtitle {
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--color-text-dark);
  margin-bottom: 1rem;
}

.about-content .btn-primary,
.about-content .btn-outline {
  margin-top: 1.5rem;
}

/* Skills block - GitHub-style tags */
.skills-block {
  margin-top: 2rem;
}

.skills-category {
  margin-bottom: 1.75rem;
}

.skills-category:last-child {
  margin-bottom: 0;
}

.skills-category-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.skills-category-title i {
  font-size: 1.25rem;
  opacity: 0.9;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  transition: opacity var(--transition), transform var(--transition);
}

.skill-tag:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Alternating tag colors - palette from theme */
.skill-tag:nth-child(5n+1) { background: var(--color-primary); }
.skill-tag:nth-child(5n+2) { background: var(--color-primary-light); }
.skill-tag:nth-child(5n+3) { background: var(--color-tag-1); }
.skill-tag:nth-child(5n+4) { background: var(--color-tag-2); }
.skill-tag:nth-child(5n+5) { background: var(--color-tag-3); }

/* Timeline - Education & Experience */
.timeline-section .section-title {
  margin-bottom: 2.5rem;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.375rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--color-border);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(-2rem + .375rem);
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 1px var(--color-border);
  z-index: 1;
}

.timeline-item--experience .timeline-marker {
  background: var(--color-primary-light);
}

.timeline-content {
  background: var(--color-bg-white);
  border: 1px solid var(--color-primary-light);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline-content:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.timeline-date {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.timeline-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.timeline-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-medium);
  margin-bottom: 0.75rem;
}

.timeline-degree,
.timeline-meta {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.timeline-meta:last-of-type {
  margin-bottom: 0;
}

.timeline-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-dark);
  font-size: 0.95rem;
  line-height: 1.6;
}

.timeline-list li {
  margin-bottom: 0.5rem;
}

.timeline-list li:last-child {
  margin-bottom: 0;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-tile {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--color-bg-white);
  border: 1px solid var(--color-primary-light);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
  color: inherit;
}

.service-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  border-color: var(--color-primary);
}

.service-tile-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  font-size: 2.25rem;
  transition: color var(--transition);
}

.service-tile:hover .service-tile-icon {
  color: var(--color-primary);
}

.service-tile-content {
  flex: 1;
  min-width: 0;
}

.service-tile-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-tile-description {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  line-height: 1.6;
  margin: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-profile {
  position: sticky;
  top: 6rem;
}

.contact-profile img {
  width: 100%;
  height: auto;
  border-radius: 22px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.contact-section p {
  color: var(--color-text-dark);
  margin-bottom: 2rem;
}

.contact-form .form-group {
  margin-bottom: 1.5rem;
}

.contact-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-white);
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

/* Project Detail */
.project-detail { padding: 0; max-width: 100%; margin: 0; }

.project-masthead {
  width: 100%;
  min-height: 60vh;
  max-height: 80vh;
  overflow: hidden;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-masthead img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-masthead-title {
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-text);
  margin: 0;
}

/* Shared project container */
.project-header,
.project-body,
.project-bluebox-inner,
.project-body-continued {
  max-width: var(--container-max);
  margin: 0 auto;
}

.project-header {
  padding: 4rem 2rem 3rem;
}

.project-buttons {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.project-detail .project-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.project-detail .project-intro {
  font-size: 1.125rem;
  color: var(--color-text-dark);
  line-height: 1.8;
}

.project-section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-top: 1.5rem;
}

.project-section-nav-btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-on-primary);
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  transition: background var(--transition), opacity var(--transition);
}

.project-section-nav-btn:hover {
  background: var(--color-primary-light);
  opacity: 1;
}

/* Elements page: center nav and even spacing */
.page-elements .project-section-nav {
  justify-content: center;
  margin: 2rem 0;
}

.project-divider {
  height: 2px;
  background: var(--color-border);
  max-width: var(--container-max);
  margin: 0 auto;
}

.project-body,
.project-body-continued {
  padding: 3rem 2rem 4rem;
}

.project-body-section h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1.5rem; scroll-margin-top: 6rem; }
.project-bluebox h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1.5rem; }

.project-body-section--bg {
  background: var(--color-bg-white);
  margin-left: -2rem;
  margin-right: -2rem;
  padding: 2rem 2rem;
}

.project-body-section p,
.project-body-continued p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* Dash list (bullet): indented like a bulleted list, dash not a bullet glyph */
.project-body-bullet,
.project-body-subbullet {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}
.project-body-bullet { margin-left: 1.5em; }
.project-body-subbullet { margin-left: 3em; }
/* Paragraph (or any content) that starts with a tab in the TXT gets one tab-length indent */
.project-body-text--indent {
  margin-left: 2.5em; /* ~1 tab at 1rem font */
}

.project-body-subheading {
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  scroll-margin-top: 6rem;
}

.project-body-subheading:first-child {
  margin-top: 0;
}

.project-body-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}

.project-body-image {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.project-body-image--block { margin: 2rem 0; }

.project-body-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.project-body-image-title {
  font-weight: 600;
  font-size: 1rem;
}

.project-body-image-caption {
  font-size: 0.95rem;
  color: var(--color-text-medium);
  line-height: 1.6;
}

/* Blue box section */
.project-bluebox-bleed {
  /* When blue box is inline in content flow, break out to full viewport width */
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  /* Match spacing above and below: 1rem so gap equals paragraph margin (margin collapse with adjacent p/h3) */
  margin-top: 1rem;
  margin-bottom: 1rem;
}
/* Fallback layout: blue box between body and body-continued; gap above = 1rem (p margin) + 4rem (body padding) = 5rem, so set margin-bottom so gap below matches (2rem + 3rem body-continued padding) */
.project-detail > .project-bluebox {
  margin-top: 0;
  margin-bottom: 2rem;
}
.project-bluebox {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 3rem 2rem 4rem;
  width: 100%;
}
/* Match body text inset: when inner is max-width constrained, add same horizontal padding as .project-body (2rem) so text aligns with project-body-subheading */
@media (min-width: 1264px) {
  .project-bluebox-inner {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}
.project-bluebox p { font-size: 1rem; line-height: 1.8; opacity: .95; margin-bottom: 1rem; }
.project-bluebox p:last-child { margin-bottom: 0; }
.project-bluebox .project-body-bullet,
.project-bluebox .project-body-subbullet { font-size: 1rem; line-height: 1.8; opacity: .95; margin-bottom: 0.5rem; }
.project-bluebox .project-body-text--indent { font-size: 1rem; line-height: 1.8; opacity: .95; }
/* Match body H3 spacing: same margin as .project-body-subheading (2rem above, 0.75rem below), and no extra top when H3 is first */
.project-bluebox .project-body-subheading { margin: 2rem 0 0.75rem; }
.project-bluebox .project-body-subheading:first-child { margin-top: 0; }

.project-buttons .btn {
  flex-shrink: 0;
}

.project-meta {
  color: var(--color-text-medium);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.project-detail .project-link {
  display: inline-block;
  margin-top: 2rem;
}

.loading { text-align: center; padding: 3rem; color: var(--color-text-medium); }

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: .75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  z-index: 10000;
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Elements / docs */
.card,
.color-card {
  background: var(--color-bg-white);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
}

.card {
  padding: 1.5rem;
  margin: 1.25rem 0;
}

.color-card {
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card h3 {
  margin-top: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.card .note {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  margin-top: 0.5rem;
}

.placeholder-box {
  background: linear-gradient(135deg, var(--color-border) 0%, #e5e5e5 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-medium);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  border: 2px dashed rgba(0, 0, 0, 0.1);
  margin: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.placeholder-box:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.placeholder-box.hero-bg { max-width: 100%; }

/* Elements page placeholder variants (replace inline styles) */
.placeholder-box--card { width: 280px; aspect-ratio: 16/10; }
.placeholder-box--masthead { min-height: 200px; max-height: 280px; width: 100%; }
.placeholder-box--body-img { width: 100%; max-width: 600px; aspect-ratio: 3/2; }
.placeholder-box--hero-circle { width: 200px; aspect-ratio: 1; border-radius: 50%; }
.placeholder-box--hero-bg-bar { max-width: 100%; height: 180px; }
.placeholder-box--logo { width: 160px; height: 80px; }
.placeholder-box--favicon { width: 32px; height: 32px; }

.spec-table-wrap {
  width: 100%;
  overflow: auto;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  margin: 1.5rem 0;
}

.spec-table {
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
}

.spec-table th {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
}

.spec-table tbody tr {
  transition: background 0.15s;
}

.spec-table tbody tr:hover {
  background: var(--color-bg);
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.color-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.color-card .color-swatch { width: 100%; min-height: 72px; border: none; border-radius: 0; margin: 0; }

.color-card .color-info {
  padding: 0.75rem 1rem;
}

.color-card .color-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.color-card .color-hex {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.color-card .color-usage {
  font-size: 0.8rem;
  color: var(--color-text-medium);
  margin-top: 0.35rem;
  line-height: 1.4;
}

.typo-sample {
  margin: 0;
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border-radius: 10px;
  border-left: 4px solid var(--color-primary);
  transition: background 0.2s;
}

.typo-sample:hover {
  background: var(--color-border);
}

.typo-sample--hero { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
.typo-sample--subline { font-family: var(--font-sans); font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; }
.typo-sample--body { font-family: var(--font-sans); font-size: 1.125rem; font-weight: 400; }
.typo-sample--nav { font-family: var(--font-sans); font-size: 1rem; font-weight: 500; }
.typo-sample--btn { font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600; }
.typo-sample--muted { font-family: var(--font-sans); font-size: 0.8rem; font-weight: 300; color: var(--color-text-muted); }

.doc-list { margin: 0.5rem 0 1rem 1.25rem; color: var(--color-text-dark); }
.doc-list--compact { margin: 0.5rem 0 0 1.25rem; }
.doc-meta-top { margin-top: 0.5rem; }
.p-follow { margin: 0.75rem 0 0; }

.button-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 1rem 0;
}

.button-showcase .item {
  padding: 1rem;
  background: var(--color-bg);
  border-radius: 10px;
  text-align: center;
}

.button-showcase .label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.button-showcase .btn,
.button-showcase .filter-btn,
.button-showcase .project-section-nav-btn,
.button-showcase .back-to-top {
  margin: 0;
}

.doc-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 1rem 0;
  font-size: 0.95rem;
  transition: box-shadow 0.2s;
}

.doc-block:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.doc-block pre {
  background: var(--color-text);
  color: #e5e5e5;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
  overflow-x: hidden;
}

.doc-block code {
  background: var(--color-bg-white);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  font-size: 0.9em;
  border: 1px solid var(--color-border);
}

.doc-block pre code { background: none; border: none; padding: 0; color: inherit; }

.copy-wrap {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.copy-btn:hover { opacity: 1; }
.copy-btn.copied { background: #0a7c42; }

.copy-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(38, 59, 127, 0.4);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 9999;
}

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

.favicon-usage {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin: 0 0 1rem 0;
}

.favicon-usage .context {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: box-shadow 0.2s;
}

.favicon-usage .context:hover { box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.favicon-usage .context--gray { background: #e8e8e8; border-color: #d0d0d0; }
.favicon-usage .context--gray p { font-size: 0.75rem; color: #2a2a2a; margin-top: 0.5rem; margin-bottom: 0; }
.favicon-usage .favicon-preview { display: block; width: 32px; height: 32px; object-fit: contain; }

.logo-usage {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  margin: 1rem 0;
}

.logo-usage .context {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: box-shadow 0.2s;
}

.logo-usage .context:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.logo-usage .context.dark { background: var(--color-primary); border-color: var(--color-primary); }
.logo-usage .context p { font-size: .85rem; color: var(--color-text-muted); margin-top: .75rem; }
.logo-usage .context.dark p { color: rgba(255,255,255,.85); }

/* Lightbox */
.lightbox-trigger {
  cursor: pointer;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
  box-sizing: border-box;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-content {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content img {
  max-width: 99vw;
  max-height: 99vh;
  width: auto;
  height: auto;
  object-fit: contain;
  cursor: zoom-in;
}

.lightbox-content.zoom-mode { pointer-events: none; }
.lightbox-content.zoom-mode img { pointer-events: auto; cursor: zoom-out; }
.lightbox-content.zoom-mode .lightbox-magnifier { display: block; }

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  z-index: 10003;
  background: transparent;
  border: none;
  color: var(--color-on-primary);
  cursor: pointer;
  opacity: 0.8;
  line-height: 1;
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
  font-size: 2.5rem;
  padding: 0.25rem;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  padding: 0.5rem 1rem;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }

.lightbox-magnifier {
  display: none;
  position: fixed;
  width: 275px;
  height: 275px;
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  pointer-events: none;
  z-index: 10002;
}