:root {
  color-scheme: dark;
  --canvas: #090d19;
  --surface: #111827;
  --line: #293550;
  --ink: #f0f4ff;
  --muted: #adbad1;
  --accent: #adc7ff;
}

body.portfolio {
  background: var(--canvas);
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.portfolio .main-content { flex: 1 1 0%; min-width: 0; }
.portfolio .main-content > .container { max-width: 1240px; padding-inline: clamp(20px, 3.8vw, 54px); }
.portfolio .main-content > .container.my-5 { margin-top: clamp(12px, 2.8vw, 40px) !important; }
.portfolio .font-primary { font-family: inherit; }
.portfolio .sidenav {
  width: 208px;
  height: 100dvh;
  min-height: 0;
  padding: 34px 20px;
  background: #0d1321;
  border-right: 1px solid var(--line);
  justify-content: flex-start !important;
}
.portfolio .sidenav .navbar-brand { margin: 0 0 16px 10px; align-self: flex-start; }
.portfolio .sidenav .navbar-brand img { width: 52px; height: 52px; object-fit: contain; }
.portfolio .sidenav > .list-inline { margin: auto 0 0 10px; }
.portfolio .sidenav .nav-link {
  display: block;
  border-radius: 9px;
  padding: 11px 12px !important;
  margin-block: 3px;
  font-size: 14px;
}
.portfolio .sidenav .nav-link::after { display: none; }
.portfolio .sidenav .nav-link:hover, .portfolio .sidenav .active .nav-link {
  color: var(--accent) !important;
  background: #1b2845;
}
.portfolio :focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.portfolio .sidenav .qrcode { top: auto; bottom: 34px; left: -8px; right: auto; width: 132px; height: 132px; }

.portfolio-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  grid-template-columns: 1fr minmax(0, .92fr);
  gap: clamp(24px, 4vw, 60px);
  overflow: hidden;
  padding: clamp(26px, 5.3vw, 76px);
  min-height: 420px;
  border: 1px solid #354567;
  border-radius: 24px;
  background-color: #111a32;
  background-image: radial-gradient(ellipse at 87% 16%, #2d3864 0, transparent 58%),
    radial-gradient(ellipse at 95% 105%, #32234c 0, transparent 50%),
    linear-gradient(#acbafa10 1px, transparent 1px),
    linear-gradient(90deg, #acbafa10 1px, transparent 1px);
  background-size: auto, auto, 32px 32px, 32px 32px;
}
.portfolio-hero h1 {
  color: var(--ink);
  font-size: clamp(2rem, 3.65vw, 3.5rem);
  font-weight: 750;
  letter-spacing: -.055em;
  line-height: 1.08;
  margin: 0 0 18px;
}
.portfolio-hero h1 span { display: block; color: var(--accent); }
.portfolio-hero p { color: #bdc9df; max-width: 27ch; margin: 0 0 26px; }
.portfolio-hero .hero-action {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--accent);
  color: #101a32;
  border-radius: 9px;
  padding: 11px 17px;
  font-size: 14px;
  font-weight: 700;
}
.portfolio-hero .hero-action:hover { background: #c8daff; text-decoration: none; }
.hero-project {
  position: relative;
  display: block;
  padding: 7px;
  border: 1px solid #8ca8ee80;
  border-radius: 15px;
  background: #0b1020;
  box-shadow: 0 24px 65px #0009, 0 0 38px #799fff29;
  --poster-rest-y: -10deg;
  --poster-rest-x: 5deg;
  transform: perspective(900px) rotateY(-10deg) rotateX(5deg);
  transition: transform .3s ease;
}
.hero-project img { display: block; width: 100%; height: auto; border-radius: 8px; }

.portfolio-work-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: clamp(30px, 5vw, 68px) 0 20px;
}
.portfolio-work-heading h2 { color: var(--ink); font-size: clamp(1.5rem, 3vw, 2.25rem); margin: 0; }
.portfolio-work-heading a, .portfolio .post-meta a:hover { color: var(--accent); }
.portfolio .post-item {
  overflow: hidden;
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: 14px;
  margin-bottom: 24px !important;
  transition: border-color .2s ease, transform .2s ease;
}
.portfolio .post-item:hover, .portfolio .post-item:focus-within { border-color: #85a4e8 !important; }
.portfolio .post-item > a:first-child { display: block; overflow: hidden; }
.portfolio .post-item .card-img-top { display: block; width: 100%; height: auto; }
.portfolio-home .post-item .card-img-top, .portfolio-list .post-item .card-img-top {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.portfolio .post-item:hover .card-img-top { filter: none; transform: scale(1.025); }
.portfolio .post-item .card-body { padding: 15px 18px 17px !important; }
.portfolio .post-item .card-title { font-size: clamp(1rem, 2.2vw, 1.22rem); line-height: 1.4; margin: 0 0 8px; font-weight: 650; }
.portfolio .post-item .post-meta a { color: var(--muted); font-size: .8rem; }
.portfolio .post-meta .text-primary { color: var(--accent) !important; }
.portfolio-list .main-content .bg-dark.p-5 {
  background: linear-gradient(130deg, #1b2441, var(--surface)) !important;
  padding: clamp(22px, 4vw, 44px) !important;
  border: 1px solid var(--line);
  border-radius: 18px;
}
.portfolio .categores-links { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.portfolio .categores-links h3 { flex-basis: 100%; font-size: .9rem; }
.portfolio .categores-links a { border: 1px solid #465677 !important; border-radius: 20px; margin: 0; padding: 5px 12px; }
.portfolio .categores-links a.bg-primary { background: var(--accent) !important; color: #101a32 !important; }
.portfolio-case .main-content h1, .portfolio-about .main-content h1 { line-height: 1.2; letter-spacing: -.02em; }
.portfolio-case .main-content p, .portfolio-about .main-content p { max-width: 72ch; line-height: 1.85; }
.portfolio-case .main-content img.img-fluid { display: block; height: auto; margin: 0 auto 20px; border-radius: 10px; }
.portfolio-about .main-content .col-md-12.ml-5 { margin-left: 0 !important; }
.portfolio-about .main-content img[src*="images/author."] { width: 104px; height: 104px; object-fit: cover; border-radius: 50%; margin-bottom: 18px; }
.portfolio footer.bg-dark { background: #0d1321 !important; border-top: 1px solid var(--line); padding: 16px 0; }

@media (max-width: 1000px) {
  .portfolio-hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-project { max-width: 520px; transform: none; --poster-rest-y: 0deg; --poster-rest-x: 0deg; }
}
@media (max-width: 767px) {
  .portfolio .sidenav { left: -215px; }
  .portfolio .sidenav.show { left: 0; }
  .portfolio .mobile-nav { padding-top: 12px !important; }
  .portfolio .mobile-nav img { width: 42px; height: 42px; object-fit: contain; }
  .portfolio .mobile-nav .nav-toggle { width: 44px; height: 44px; }
  .portfolio-hero { border-radius: 16px; }
  .portfolio-hero h1 { font-size: clamp(1.85rem, 6.4vw, 2.65rem); }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio .post-item, .portfolio .post-item .card-img-top, .hero-project { transition: none; transform: none; }
}

/* Abstract covers and project labels */
.portfolio .sidenav .navbar-brand img { width: 88px; height: 88px; }
.portfolio-hero h1 .typed-greeting { display: block; color: var(--ink); white-space: nowrap; }
.typed-greeting b { font-weight: inherit; animation: reveal-letter 1ms steps(1, start) both; animation-delay: calc(110ms * var(--letter) + 80ms); }
.typed-greeting b:first-child { animation: none; }
.typed-greeting::after {
  content: "";
  display: inline-block;
  width: .055em;
  height: .78em;
  margin-left: .12em;
  background: var(--accent);
  animation: greeting-caret 1.4s step-end forwards;
}
@keyframes reveal-letter { from { opacity: 0; } to { opacity: 1; } }
@keyframes greeting-caret { 25%, 75%, 100% { opacity: 0; } 50% { opacity: 1; } }

.portfolio .post-item .case-summary { color: #b7c4dc; font-size: .87rem; line-height: 1.65; margin: 0 0 12px; }
.portfolio .post-item .case-link { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-top: 1px solid var(--line); color: var(--accent); font-size: .83rem; font-weight: 600; padding-top: 10px; margin-top: 12px; }
.portfolio .post-item .case-link:hover { text-decoration: none; color: #dce7ff; }

@media (max-width: 767px) {
  .portfolio .mobile-nav img { width: 58px; height: 58px; }
}
@media (max-width: 365px) {
  .portfolio-hero h1 .typed-greeting { font-size: .85em; }
}
@media (prefers-reduced-motion: reduce) {
  .typed-greeting b { animation: none; transition: none; }
  .typed-greeting::after { display: none; }
}

/* About page portrait */
.about-intro {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.8vw, 32px);
  margin-bottom: clamp(16px, 2.5vw, 30px);
}
.portfolio-about .about-intro h1 {
  margin: 0;
  font-size: clamp(1.42rem, 4.1vw, 3.3rem);
}
.about-avatar {
  position: relative;
  flex: 0 0 auto;
  width: clamp(60px, 9.5vw, 112px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid #adc7ffa6;
  background: #2e223e;
  box-shadow: 0 0 22px #adc7ff1f;
  animation: avatar-in .6s ease-out backwards;
  transition: box-shadow .25s ease, transform .25s ease;
}
.about-avatar img {
  position: absolute;
  display: block;
  width: 294%;
  max-width: none;
  height: auto;
  left: -149%;
  top: -27%;
}
.about-avatar:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px #adc7ff5c;
}
@keyframes avatar-in {
  from { opacity: .25; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .about-avatar { animation: none; transition: none; }
  .about-avatar:hover { transform: none; }
}

/* Keep the closed mobile drawer out of the keyboard tab order. */
@media (max-width: 767px) {
  .portfolio .sidenav:not(.show) { visibility: hidden; }
}

.hero-poster {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 9px;
  background: #10182a;
}
.hero-project .hero-poster img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 55% 47%;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-project {
    animation: poster-float 5.8s ease-in-out infinite;
  }
}
@keyframes poster-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -9px; }
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hero-project {
    transform: perspective(900px)
      rotateY(calc(var(--poster-rest-y) + var(--poster-tilt-y, 0deg)))
      rotateX(calc(var(--poster-rest-x) + var(--poster-tilt-x, 0deg)));
  }
}