/*
 * Construction Robotics Field Notes
 * Scoped visual and responsive layer for portfolio pages.
 * The standalone dashboard intentionally does not load this file.
 */

body.portfolio-site {
  --page-bg: #090e0c;
  --surface: #101714;
  --surface-raised: #141d19;
  --surface-soft: #0d1310;
  --ink: #f6f8f5;
  --ink-soft: #d9dfdb;
  --muted: #a5b0aa;
  --line: #29332e;
  --line-strong: #3b4942;
  --accent: #f2b84b;
  --accent-strong: #ffc95f;
  --accent-soft: rgba(242, 184, 75, 0.12);
  --danger: #e27878;
  --ff-poppins: "Poppins", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --ff-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --type-label: 0.75rem;
  --type-small: 0.875rem;
  --type-body: 1rem;
  --content-gutter: clamp(16px, 3vw, 34px);
  --section-space: clamp(44px, 7vw, 76px);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --shadow-field: 0 22px 70px rgba(0, 0, 0, 0.2);

  /* Legacy token aliases keep existing components and the theme script compatible. */
  --jet: var(--line);
  --onyx: var(--surface-raised);
  --eerie-black-1: var(--surface-soft);
  --eerie-black-2: var(--surface);
  --smoky-black: var(--page-bg);
  --white-1: var(--ink);
  --white-2: var(--ink);
  --light-gray: var(--ink-soft);
  --light-gray-70: var(--muted);
  --orange-yellow-crayola: var(--accent);
  --vegas-gold: var(--accent);
  --bittersweet-shimmer: var(--danger);
  --bg-nav: rgba(16, 23, 20, 0.92);
  --bg-overlay: rgba(4, 7, 6, 0.86);
  --bg-gradient-onyx: var(--surface-raised);
  --bg-gradient-jet: var(--surface);
  --border-gradient-onyx: var(--line);
  --text-gradient-yellow: linear-gradient(90deg, var(--accent), var(--accent-strong));
  --bg-gradient-yellow-1: var(--accent);
  --bg-gradient-yellow-2: var(--accent-strong);
  --shadow-1: none;
  --shadow-2: none;
  --shadow-3: none;
  --shadow-4: none;
  --shadow-5: var(--shadow-field);

  min-width: 0;
  min-height: 100vh;
  color: var(--ink-soft);
  color-scheme: dark;
  background-color: var(--page-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  background-attachment: fixed;
}

.light-theme body.portfolio-site {
  --page-bg: #ffffff;
  --surface: #f7f9f7;
  --surface-raised: #eef2ef;
  --surface-soft: #fbfcfb;
  --ink: #101713;
  --ink-soft: #2d3832;
  --muted: #647069;
  --line: #d8dfda;
  --line-strong: #b9c4bd;
  --accent: #b87313;
  --accent-strong: #d58a1c;
  --accent-soft: rgba(184, 115, 19, 0.1);
  --danger: #a93f45;
  --bg-nav: rgba(255, 255, 255, 0.94);
  --bg-overlay: rgba(245, 247, 245, 0.9);
  --shadow-field: 0 22px 70px rgba(16, 23, 19, 0.09);
  color-scheme: light;
  background-image:
    linear-gradient(rgba(16, 23, 19, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 23, 19, 0.028) 1px, transparent 1px);
}

body.portfolio-site :is(a, span, strong, em, time) {
  display: inline;
}

body.portfolio-site :is(img, ion-icon) {
  display: block;
}

body.portfolio-site button,
body.portfolio-site input,
body.portfolio-site textarea,
body.portfolio-site select {
  font-family: var(--ff-poppins);
}

body.portfolio-site :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

body.portfolio-site > main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: clamp(14px, 2vw, 24px);
  width: min(100% - 24px, 1540px);
  min-width: 0;
  margin: 12px auto 40px;
}

.portfolio-site .main-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  width: 100%;
  min-width: 0;
  margin: 0;
}

.portfolio-site .sidebar,
.portfolio-site article {
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: var(--content-gutter);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: none;
}

.portfolio-site article {
  min-height: min(660px, calc(100vh - 100px));
}

.portfolio-site article.active {
  display: block;
  animation: fieldNotesReveal 360ms ease both;
}

@keyframes fieldNotesReveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Identity rail */

.portfolio-site .sidebar {
  max-height: none;
  overflow: visible;
  transition: border-color 220ms ease, background-color 220ms ease;
}

.portfolio-site .sidebar-info {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  padding-right: 50px;
}

.portfolio-site .avatar-box {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface-raised);
}

.portfolio-site .avatar-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.62);
  transform-origin: 80% 72%;
}

.portfolio-site .info-content {
  min-width: 0;
}

.portfolio-site .info-content .name {
  margin: 0 0 7px;
  color: var(--ink);
  font-size: clamp(1.15rem, 5vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.08;
  white-space: normal;
}

.portfolio-site .info-content .title {
  width: auto;
  max-width: 26ch;
  margin: 0;
  padding: 0;
  color: var(--accent);
  background: transparent;
  border-radius: 0;
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 500;
  letter-spacing: 0.055em;
  line-height: 1.45;
  text-transform: uppercase;
}

.portfolio-site .info_more-btn {
  position: absolute;
  top: 50%;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 44px;
  min-height: 44px;
  padding: 0 11px;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
  transform: translateY(-50%);
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.portfolio-site .info_more-btn::before {
  content: none;
}

.portfolio-site .info_more-btn:is(:hover, :focus-visible) {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.portfolio-site .info_more-btn span {
  display: none;
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portfolio-site .info_more-btn ion-icon {
  font-size: 18px;
  transition: transform 220ms ease;
}

.portfolio-site .sidebar.active .info_more-btn ion-icon {
  transform: rotate(180deg);
}

.portfolio-site .sidebar-info_more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: max-height 320ms ease, opacity 220ms ease, visibility 220ms ease;
}

.portfolio-site .sidebar.active .sidebar-info_more {
  max-height: 1200px;
  opacity: 1;
  visibility: visible;
}

.portfolio-site .separator {
  width: 100%;
  height: 1px;
  margin: 24px 0;
  background: var(--line);
}

.portfolio-site .contacts-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.portfolio-site .contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.portfolio-site .contact-item .icon-box,
.portfolio-site .title-wrapper .icon-box {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--accent);
  background: transparent;
  box-shadow: none;
}

.portfolio-site .contact-item .icon-box::before,
.portfolio-site .title-wrapper .icon-box::before {
  content: none;
}

.portfolio-site .contact-info {
  width: calc(100% - 50px);
  max-width: calc(100% - 50px);
  min-width: 0;
}

.portfolio-site .contact-title {
  margin-bottom: 3px;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.09em;
}

.portfolio-site .contact-info :is(.contact-link, address) {
  color: var(--ink-soft);
  font-size: var(--type-small);
  font-weight: 400;
  line-height: 1.45;
  overflow-wrap: anywhere;
  white-space: normal;
}

.portfolio-site .contact-link:is(:hover, :focus-visible) {
  color: var(--accent);
}

/* Reserved navigation row */

.portfolio-site .navbar {
  position: sticky;
  inset: 8px auto auto;
  z-index: 12;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  width: 100%;
  margin: 0;
  padding: 0 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-nav);
  box-shadow: none;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.portfolio-site .navbar-scroll {
  position: relative;
  min-width: 0;
  overflow: hidden;
}

.portfolio-site .navbar-scroll::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  width: 18px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--bg-nav));
}

.portfolio-site .navbar-list {
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  gap: 2px;
  width: 100%;
  padding: 0 18px 0 0;
  overflow-x: auto;
  scroll-padding-inline: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.portfolio-site .navbar-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  padding: 0;
  border-left: 1px solid var(--line);
  background: var(--bg-nav);
}

.portfolio-site .navbar-list::-webkit-scrollbar {
  display: none;
}

.portfolio-site .navbar-item,
.portfolio-site .navbar-item:not(.navbar-action-item),
.portfolio-site .navbar-action-item {
  flex: 0 0 auto;
  min-width: max-content;
}

.portfolio-site .navbar-link {
  position: relative;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 52px;
  padding: 0 10px;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.035em;
  line-height: 1;
  text-transform: uppercase;
  transition: color 180ms ease, background-color 180ms ease;
}

.portfolio-site .navbar-link::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 0;
  left: 10px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.portfolio-site .navbar-link:is(:hover, :focus-visible) {
  color: var(--ink);
  background: var(--accent-soft);
}

.portfolio-site .navbar-link:focus-visible {
  outline-offset: -3px;
}

.portfolio-site .navbar-link.active,
.portfolio-site .navbar-link[aria-current="page"] {
  color: var(--accent);
}

.portfolio-site .navbar-link.active::after,
.portfolio-site .navbar-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.portfolio-site .navbar-action-item .navbar-link::after {
  content: none;
}

.portfolio-site .navbar-actions .navbar-link {
  width: 44px;
  padding-inline: 0;
}

.portfolio-site .lang-btn span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: currentColor;
  background: transparent;
  font: inherit;
}

.portfolio-site .theme-btn ion-icon {
  font-size: 18px;
}

/* Content typography and section rhythm */

.portfolio-site article > header {
  margin-bottom: clamp(28px, 5vw, 48px);
  padding-bottom: clamp(18px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
}

.portfolio-site .article-title {
  max-width: 22ch;
  margin: 0;
  padding: 0;
  color: var(--ink);
  font-size: clamp(2rem, 7vw, 4.25rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.portfolio-site .article-title::after {
  content: none;
}

.portfolio-site article:not(.about) .article-title {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.04;
}

.portfolio-site .h3 {
  color: var(--ink);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.portfolio-site .h4 {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.portfolio-site .about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: clamp(24px, 5vw, 46px);
  margin-bottom: var(--section-space);
}

.portfolio-site .about-text {
  max-width: 70ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  font-weight: 400;
  line-height: 1.78;
}

.portfolio-site .about-text p {
  margin: 0 0 1.25em;
}

.portfolio-site .about-hero-media {
  min-width: 0;
}

.portfolio-site .about-hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center 44%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.portfolio-site .about-hero-media picture {
  display: block;
}

.portfolio-site .about-hero-caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  letter-spacing: 0.04em;
  line-height: 1.45;
}

.portfolio-site .about-hero-caption strong {
  color: var(--ink);
  font-size: var(--type-small);
  font-weight: 600;
}

.portfolio-site .service,
.portfolio-site .project-preview,
.portfolio-site .timeline,
.portfolio-site .projects,
.portfolio-site .blog-posts,
.portfolio-site .contact-form {
  margin-bottom: var(--section-space);
}

.portfolio-site .service-title,
.portfolio-site .project-preview-title,
.portfolio-site .form-title,
.portfolio-site .skills-title {
  margin-bottom: 22px;
}

.portfolio-site .service-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.portfolio-site .service-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.portfolio-site .service-item::before {
  content: none;
}

.portfolio-site .service-icon-box {
  margin: 2px 0 0;
}

.portfolio-site .service-icon-box img {
  width: 36px;
  height: auto;
  max-height: 36px;
  margin: 0;
  object-fit: contain;
}

.portfolio-site .service-content-box {
  text-align: left;
}

.portfolio-site .service-item-title {
  margin-bottom: 8px;
  font-size: 1rem;
}

.portfolio-site .service-item-text {
  max-width: 48ch;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.65;
}

/* Resume */

.portfolio-site .timeline .title-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.portfolio-site .timeline-list {
  margin: 0 0 0 19px;
  padding-left: 28px;
  border-left: 1px solid var(--line-strong);
  font-size: 0.95rem;
}

.portfolio-site .timeline-item:not(:last-child) {
  margin-bottom: 34px;
}

.portfolio-site .timeline-item:not(:last-child)::before {
  content: none;
}

.portfolio-site .timeline-item::after {
  top: 5px;
  left: -34px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--surface);
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.portfolio-site .timeline-item-title {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.45;
}

.portfolio-site .timeline-list span {
  color: var(--accent);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 500;
  letter-spacing: 0.025em;
  line-height: 1.55;
}

.portfolio-site .timeline-text {
  max-width: 70ch;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.65;
}

.portfolio-site .skills-list {
  padding: 0;
  border: 0;
  background: transparent;
}

/* Filters and project index */

.portfolio-site .filter-select-box {
  margin-bottom: 28px;
}

.portfolio-site .filter-select {
  min-height: 48px;
  padding: 0 15px;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-soft);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.portfolio-site .select-list {
  top: calc(100% + 8px);
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-raised);
  box-shadow: var(--shadow-field);
}

.portfolio-site .select-item button {
  min-height: 42px;
  padding: 8px 10px;
  color: var(--ink-soft);
  border-radius: 7px;
  background: transparent;
  font-size: var(--type-small);
  text-align: left;
}

.portfolio-site .select-item button:is(:hover, :focus-visible) {
  color: var(--ink);
  background: var(--accent-soft);
}

.portfolio-site .filter-list {
  align-items: center;
  gap: 8px 22px;
  margin: 0 0 32px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line);
}

.portfolio-site .filter-item button {
  position: relative;
  min-height: 40px;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.portfolio-site .filter-item button:is(:hover, :focus-visible),
.portfolio-site .filter-item button.active {
  color: var(--accent);
}

.portfolio-site .project-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 44px) clamp(18px, 3vw, 28px);
  margin: 0;
}

.portfolio-site .project-item.active {
  display: block;
  animation: fieldNotesReveal 280ms ease both;
}

.portfolio-site .project-item > a {
  display: grid;
  width: 100%;
  height: 100%;
  gap: 13px;
}

.portfolio-site .project-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-soft);
}

.portfolio-site .project-img::before {
  background: transparent;
}

.portfolio-site .project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.portfolio-site .project-item:nth-child(2) .project-img img {
  object-position: center 58%;
}

.portfolio-site .project-item > a:is(:hover, :focus-visible) .project-img::before {
  background: transparent;
}

.portfolio-site .project-item > a:is(:hover, :focus-visible) .project-img img {
  transform: scale(1.035);
}

.portfolio-site .project-item-icon-box {
  display: none;
}

.portfolio-site .project-title,
.portfolio-site .project-category {
  margin: 0 2px;
}

.portfolio-site .project-title {
  color: var(--ink);
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.35;
  text-transform: none;
}

.portfolio-site .project-category {
  margin-top: -8px;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 500;
  letter-spacing: 0.035em;
  line-height: 1.5;
}

/* Publications and blog */

.portfolio-site .publications {
  margin: 0;
  background: var(--surface);
}

.portfolio-site .publications .publication-list {
  display: grid;
  gap: 0;
}

.portfolio-site .publications .publication-item {
  margin: 0;
  padding: 24px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.portfolio-site .publications .publication-item:hover {
  background: transparent;
  box-shadow: none;
}

.portfolio-site .publications .publication-title {
  margin-bottom: 9px;
  color: var(--ink);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 500;
  line-height: 1.4;
}

.portfolio-site .publications .publication-info {
  color: var(--accent);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  line-height: 1.55;
}

.portfolio-site .publications :is(.publication-abstract, .publication-citation) {
  max-width: 78ch;
  color: var(--muted);
  font-size: var(--type-small);
  line-height: 1.7;
}

.portfolio-site .blog-posts-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 38px) clamp(18px, 3vw, 28px);
}

.portfolio-site .blog-post-item > a {
  display: grid;
  height: 100%;
  gap: 15px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.portfolio-site .blog-post-item > a::before {
  content: none;
}

.portfolio-site .blog-banner-box {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-soft);
}

.portfolio-site .blog-banner-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-site .blog-content {
  padding: 0 2px;
}

.portfolio-site .blog-meta {
  margin-bottom: 9px;
}

.portfolio-site .blog-meta :is(.blog-category, time) {
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 500;
  letter-spacing: 0.035em;
}

.portfolio-site .blog-item-title {
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.4;
}

.portfolio-site .blog-text {
  color: var(--muted);
  font-size: var(--type-small);
  font-weight: 400;
  line-height: 1.65;
}

/* Project and blog detail surfaces */

.portfolio-site .btn-back {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin: -6px 0 22px;
  color: var(--accent);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.portfolio-site .project-photo-showcase {
  margin: 0 0 var(--section-space);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.portfolio-site .photo-sequence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}

.portfolio-site .photo-sequence__stage {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.portfolio-site .photo-sequence__stage :is(img, iframe) {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-site .photo-sequence__stage iframe {
  pointer-events: none;
}

.portfolio-site #exoskeleton-5:checked ~ .photo-sequence__stage iframe[data-photo="5"],
.portfolio-site #exoskeleton-6:checked ~ .photo-sequence__stage iframe[data-photo="6"] {
  pointer-events: auto;
}

.portfolio-site .photo-sequence__thumbs {
  display: flex;
  flex-direction: row;
  gap: 10px;
  padding: 1px 1px 5px;
  overflow-x: auto;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}

.portfolio-site .photo-sequence__thumb {
  flex: 0 0 96px;
  border: 1px solid var(--line);
  border-radius: 9px;
  scroll-snap-align: start;
}

.portfolio-site .photo-sequence__thumb img {
  width: 100%;
  height: 58px;
  object-fit: cover;
}

.portfolio-site .photo-sequence__thumb[aria-pressed="true"],
.portfolio-site .photo-sequence__thumb:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.portfolio-site .project-detail {
  margin: 0 0 var(--section-space);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.portfolio-site .project-content,
.portfolio-site .blog-post-full .blog-content {
  max-width: 78ch;
  color: var(--ink-soft);
  font-size: clamp(0.95rem, 1.4vw, 1.02rem);
  line-height: 1.78;
}

.portfolio-site .project-content p,
.portfolio-site .blog-post-full .blog-content p {
  margin-bottom: 1.2em;
}

.portfolio-site .project-content h3,
.portfolio-site .blog-post-full .blog-content h2,
.portfolio-site .blog-post-full .blog-content h3 {
  margin: 42px 0 18px;
  padding: 0 0 12px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.portfolio-site .project-content h3::before {
  content: none;
}

.portfolio-site .project-content figure {
  width: 100%;
  height: auto;
  min-height: 0;
  margin: 28px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-soft);
}

.portfolio-site .project-content figure img {
  width: 100%;
  height: auto;
  min-height: 0;
  border: 0;
  object-fit: contain;
}

.portfolio-site .project-content figure iframe {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
  border: 0;
}

.portfolio-site .project-content ul {
  margin: 18px 0 28px;
  padding: 0;
}

.portfolio-site .project-content ul li {
  margin-bottom: 11px;
  padding-left: 22px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.portfolio-site .project-content ul li::before {
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: none;
}

.portfolio-site .project-content .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin: 18px 0;
  padding: 0 18px;
  color: var(--page-bg);
  border: 1px solid var(--accent);
  border-radius: 9px;
  background: var(--accent);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 700;
  letter-spacing: 0.035em;
}

.portfolio-site .project-content .btn::before {
  content: none;
}

.portfolio-site .project-content .btn:is(:hover, :focus-visible) {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface-raised);
}

.portfolio-site .blog-post-full > .blog-banner-box {
  aspect-ratio: 16 / 9;
  margin: 0 0 clamp(30px, 5vw, 48px);
}

.portfolio-site .blog-post-full .blog-content :is(ul, ol) {
  margin: 0 0 1.25em;
  padding-left: 1.35rem;
}

.portfolio-site .blog-post-full .blog-content ul {
  list-style: disc;
}

.portfolio-site .blog-post-full .blog-content ol {
  list-style: decimal;
}

.portfolio-site .blog-post-full .blog-content li {
  display: list-item;
  margin-bottom: 0.55em;
}

/* Contact */

.portfolio-site .mapbox {
  height: auto;
  aspect-ratio: 16 / 8;
  margin-bottom: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.portfolio-site .mapbox iframe {
  filter: grayscale(0.75) contrast(1.02);
}

.light-theme .portfolio-site .mapbox iframe {
  filter: grayscale(0.45);
}

.portfolio-site .input-wrapper {
  gap: 16px;
  margin-bottom: 16px;
}

.portfolio-site .form-input {
  min-height: 50px;
  padding: 13px 15px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-soft);
  font-size: var(--type-small);
}

.portfolio-site .form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.portfolio-site textarea.form-input {
  min-height: 150px;
  margin-bottom: 16px;
}

.portfolio-site .form-btn {
  min-height: 48px;
  padding: 0 18px;
  color: var(--page-bg);
  border: 1px solid var(--accent);
  border-radius: 9px;
  background: var(--accent);
  box-shadow: none;
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 700;
  letter-spacing: 0.035em;
}

.portfolio-site .form-btn::before {
  content: none;
}

.portfolio-site .form-btn:is(:hover, :focus-visible) {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface-raised);
}

/* Footer */

.portfolio-site .footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  padding: 20px var(--content-gutter);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: none;
}

.portfolio-site .copyright,
.portfolio-site .back-to-top {
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: var(--type-label);
  font-weight: 500;
  letter-spacing: 0.035em;
}

.portfolio-site .back-to-top:is(:hover, :focus-visible) {
  color: var(--accent);
}

/* Responsive composition */

@media (min-width: 480px) {
  .portfolio-site .info_more-btn span {
    display: inline;
  }

  .portfolio-site .info_more-btn {
    min-width: max-content;
  }
}

@media (min-width: 640px) {
  body.portfolio-site > main {
    width: min(100% - 36px, 1480px);
    margin-top: 18px;
  }

  .portfolio-site .contacts-list,
  .portfolio-site .service-list,
  .portfolio-site .project-list,
  .portfolio-site .blog-posts-list,
  .portfolio-site .input-wrapper {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-site .contacts-list {
    gap: 18px 24px;
  }

  .portfolio-site .service-item:nth-child(odd) {
    padding-right: 24px;
  }

  .portfolio-site .service-item:nth-child(even) {
    padding-left: 24px;
    border-left: 1px solid var(--line);
  }

  .portfolio-site .photo-sequence__thumb {
    flex-basis: 110px;
  }

  .portfolio-site .photo-sequence__thumb img {
    height: 66px;
  }
}

@media (min-width: 760px) {
  .portfolio-site .filter-select-box {
    display: none;
  }

  .portfolio-site .filter-list {
    display: flex;
  }

  .portfolio-site .about-intro-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.15fr);
  }

  .portfolio-site .about-hero-media {
    position: sticky;
    top: 92px;
  }

  .portfolio-site .photo-sequence {
    grid-template-columns: minmax(0, 1fr) 112px;
    gap: 14px;
  }

  .portfolio-site .photo-sequence__thumbs {
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: min(64vw, 620px);
    padding: 1px 5px 1px 1px;
    scroll-snap-type: block mandatory;
  }

  .portfolio-site .photo-sequence__thumb {
    flex: 0 0 auto;
    width: 100%;
  }

  .portfolio-site .photo-sequence__thumb img {
    height: 64px;
  }
}

@media (min-width: 960px) {
  .portfolio-site .project-list,
  .portfolio-site .blog-posts-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .portfolio-site .project-content [style*="grid-template-columns"] {
    gap: 22px !important;
  }
}

@media (min-width: 1180px) {
  body.portfolio-site > main {
    grid-template-columns: minmax(300px, 320px) minmax(0, 1fr);
    gap: 24px;
    margin-top: 24px;
  }

  .portfolio-site .sidebar {
    position: sticky;
    top: 24px;
    align-self: start;
    height: auto;
    padding: 32px 28px;
  }

  .portfolio-site .sidebar-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 0;
  }

  .portfolio-site .avatar-box {
    width: min(100%, 260px);
    height: 260px;
    flex-basis: 260px;
    border-radius: 22px;
  }

  .portfolio-site .avatar-box img {
    transform: scale(1.46);
    transform-origin: 80% 72%;
  }

  .portfolio-site .info-content .name {
    font-size: 1.95rem;
  }

  .portfolio-site .info-content .title {
    max-width: 24ch;
    font-size: var(--type-label);
  }

  .portfolio-site .info_more-btn {
    display: none;
  }

  .portfolio-site .sidebar-info_more,
  .portfolio-site .sidebar.active .sidebar-info_more {
    max-height: none !important;
    overflow: visible;
    opacity: 1;
    visibility: visible;
  }

  .portfolio-site .contacts-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 15px;
  }

  .portfolio-site .navbar {
    top: 14px;
  }

  .portfolio-site .navbar-list {
    justify-content: flex-end;
  }

  .portfolio-site .navbar-link {
    padding-inline: 12px;
  }

  .portfolio-site .navbar-actions .navbar-link {
    padding-inline: 0;
  }
}

@media (min-width: 1400px) {
  body.portfolio-site > main {
    grid-template-columns: minmax(320px, 340px) minmax(0, 1fr);
  }
}

@media (max-width: 620px) {
  body.portfolio-site {
    background-attachment: scroll;
  }

  .portfolio-site .about-hero-caption {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .portfolio-site .article-title {
    font-size: clamp(2rem, 11vw, 3.15rem);
    line-height: 1.02;
  }

  .portfolio-site .project-content [style*="grid-template-columns"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .portfolio-site .mapbox {
    aspect-ratio: 4 / 3;
  }

  .portfolio-site .navbar {
    padding-inline: 5px;
  }

  .portfolio-site .navbar-list {
    padding: 0 18px 0 0;
    scroll-padding-inline: 4px;
  }

  .portfolio-site .navbar-link {
    min-height: 48px;
    padding-inline: 8px;
    font-size: var(--type-label);
    letter-spacing: 0.02em;
  }

  .portfolio-site .navbar-actions .navbar-link {
    width: 44px;
    min-width: 44px;
    padding-inline: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-site *,
  .portfolio-site *::before,
  .portfolio-site *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .portfolio-site article.active {
    animation: none;
  }

  .portfolio-site .project-img img,
  .portfolio-site .blog-banner-box img {
    transform: none !important;
  }
}