/*
 * Portfolio system — application landing, article discovery and shared polish.
 * The legacy theme rules remain available for learning tools and post content.
 */

:root {
  --bg: #f8f7ff;
  --surface: #ffffff;
  --text: #171725;
  --muted: #626278;
  --quiet: #707080;
  --line: #e5e2f2;
  --accent: #6d3df5;
  --accent-strong: #5424db;
  --accent-2: #b9ef3b;
  --accent-ink: #111426;
  --accent-soft: #f1edff;
  --lavender: #f4f1ff;
  --navy: #111426;
  --navy-soft: #1a1e34;
  --code-bg: #f2f0fa;
  --content: 760px;
}

html {
  scroll-padding-top: 96px;
}

body {
  background: #ffffff;
  color: var(--text);
  font-family: Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

::selection {
  background: #daceff;
  color: #25124f;
}

a,
button,
input,
select,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 42%, transparent);
  outline-offset: 3px;
}

.portfolio-home {
  width: 100%;
  overflow: clip;
  color: var(--text);
}

.portfolio-container {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
}

.portfolio-section {
  padding-block: clamp(76px, 9vw, 124px);
}

.portfolio-section--lavender {
  background:
    radial-gradient(circle at 84% 16%, rgba(109, 61, 245, 0.09), transparent 28rem),
    var(--lavender);
}

.portfolio-section--dark {
  background:
    radial-gradient(circle at 84% 10%, rgba(185, 239, 59, 0.12), transparent 26rem),
    radial-gradient(circle at 12% 110%, rgba(109, 61, 245, 0.3), transparent 32rem),
    var(--navy);
  color: #f8f8ff;
}

.portfolio-kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.15em;
  line-height: 1.2;
  text-transform: uppercase;
}

.portfolio-section--dark .portfolio-kicker,
.portfolio-final-cta .portfolio-kicker {
  color: var(--accent-2);
}

.portfolio-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.65fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 52px;
}

.portfolio-section-heading--compact {
  margin-bottom: 44px;
}

.portfolio-section-heading h2,
.portfolio-about h2,
.portfolio-abeck h2,
.portfolio-final-cta h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 860;
  letter-spacing: -0.045em;
  line-height: 1.13;
}

.portfolio-section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.01rem;
  line-height: 1.75;
}

.portfolio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.portfolio-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 820;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.portfolio-button:hover {
  transform: translateY(-2px);
}

.portfolio-button--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 28px rgba(109, 61, 245, 0.23);
}

.portfolio-button--primary:hover {
  background: var(--accent-strong);
  color: #fff;
}

.portfolio-button--secondary {
  border-color: #d8d2ea;
  background: rgba(255, 255, 255, 0.82);
  color: #29253b;
}

.portfolio-button--secondary:hover {
  border-color: #a99bcf;
  background: #fff;
  color: var(--accent-strong);
}

.portfolio-button--accent {
  background: var(--accent-2);
  color: #172004;
  box-shadow: 0 12px 30px rgba(185, 239, 59, 0.18);
}

.portfolio-button--accent:hover {
  background: #caff50;
  color: #0e1600;
}

.portfolio-text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.portfolio-text-link:hover {
  color: var(--accent-strong);
}

.portfolio-section--dark .portfolio-text-link,
.portfolio-final-cta .portfolio-text-link {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
}

/* Hero */

.portfolio-hero {
  position: relative;
  padding-block: clamp(72px, 9vw, 126px);
  background:
    radial-gradient(circle at 84% 24%, rgba(109, 61, 245, 0.18), transparent 31rem),
    radial-gradient(circle at 10% 94%, rgba(185, 239, 59, 0.16), transparent 24rem),
    linear-gradient(135deg, #fbfaff 0%, #f1edff 58%, #f8f8ff 100%);
  isolation: isolate;
}

.portfolio-hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(109, 61, 245, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 61, 245, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 30%, #000 100%);
}

.portfolio-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.78fr);
  gap: clamp(46px, 7vw, 86px);
  align-items: center;
}

.portfolio-hero__content h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.7rem, 5.8vw, 5.2rem);
  font-weight: 900;
  letter-spacing: -0.062em;
  line-height: 1.02;
}

.portfolio-hero__content h1 span {
  color: var(--accent);
}

.portfolio-hero__lead {
  max-width: 680px;
  margin: 28px 0;
  color: #535168;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.75;
}

.portfolio-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 680px;
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid #dcd6ef;
}

.portfolio-hero__facts div {
  min-width: 0;
  padding-right: 18px;
}

.portfolio-hero__facts div + div {
  padding-left: 18px;
  border-left: 1px solid #dcd6ef;
}

.portfolio-hero__facts dt {
  color: var(--quiet);
  font-size: 0.75rem;
  font-weight: 760;
}

.portfolio-hero__facts dd {
  margin: 4px 0 0;
  color: #252136;
  font-size: 0.98rem;
  font-weight: 850;
}

.portfolio-hero__visual {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(185, 239, 59, 0.14), transparent 14rem),
    linear-gradient(145deg, #171a2e, #0f1221);
  color: #fff;
  box-shadow: 0 34px 70px rgba(27, 20, 58, 0.24);
  transform: rotate(1deg);
}

.portfolio-hero__visual::before {
  position: absolute;
  width: 72px;
  height: 72px;
  right: -20px;
  top: -22px;
  border-radius: 20px;
  background: var(--accent-2);
  content: "";
  opacity: 0.92;
  transform: rotate(14deg);
}

.portfolio-hero__visual-label {
  margin: 0 0 22px;
  color: var(--accent-2);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.portfolio-loop {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.portfolio-loop li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas: "number title" "number copy";
  gap: 2px 14px;
  align-items: center;
  min-height: 76px;
  padding: 13px 15px;
  border: 1px solid rgba(233, 230, 255, 0.11);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.055);
}

.portfolio-loop li span {
  grid-area: number;
  color: #bba9ff;
  font: 800 0.8rem/1 "SFMono-Regular", Consolas, monospace;
}

.portfolio-loop li strong {
  grid-area: title;
  font-size: 1rem;
}

.portfolio-loop li small {
  grid-area: copy;
  color: #aaaabc;
  font-size: 0.82rem;
}

/* Projects */

.portfolio-project-list {
  display: grid;
  gap: 22px;
}

.portfolio-project-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 20px 48px rgba(32, 23, 73, 0.07);
}

.portfolio-project-card__header {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 22px;
  padding: 34px 36px 28px;
}

.portfolio-project-card__number {
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 850 0.95rem/1 "SFMono-Regular", Consolas, monospace;
}

.portfolio-project-card__eyebrow {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.portfolio-project-card h3 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 860;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.portfolio-project-card__header p:last-child {
  max-width: 810px;
  margin: 12px 0 0;
  color: var(--muted);
}

.portfolio-project-card__story {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border-block: 1px solid var(--line);
  background: #fbfaff;
}

.portfolio-project-card__story div {
  min-width: 0;
  padding: 24px;
}

.portfolio-project-card__story div + div {
  border-left: 1px solid var(--line);
}

.portfolio-project-card__story dt {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 850;
}

.portfolio-project-card__story dd {
  margin: 0;
  color: #49475a;
  font-size: 0.91rem;
  line-height: 1.7;
}

.portfolio-project-card__evidence {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 36px 26px;
  align-items: start;
}

.portfolio-project-card__evidence > strong {
  color: #2b273b;
  font-size: 0.8rem;
}

.portfolio-project-card__evidence ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.portfolio-project-card__evidence a {
  color: #58536f;
  font-size: 0.86rem;
  font-weight: 720;
  text-decoration: none;
}

.portfolio-project-card__evidence a:hover {
  color: var(--accent);
}

/* Process */

.portfolio-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.portfolio-timeline li {
  position: relative;
  min-height: 210px;
  padding: 26px 22px;
  border: 1px solid #ded8f3;
  background: rgba(255, 255, 255, 0.7);
}

.portfolio-timeline li:first-child {
  border-radius: 18px 0 0 18px;
}

.portfolio-timeline li:last-child {
  border-radius: 0 18px 18px 0;
}

.portfolio-timeline li + li {
  border-left: 0;
}

.portfolio-timeline li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  right: -9px;
  top: 45px;
  width: 17px;
  height: 17px;
  border: 3px solid var(--lavender);
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.portfolio-timeline__number {
  color: var(--accent);
  font: 850 0.76rem/1 "SFMono-Regular", Consolas, monospace;
}

.portfolio-timeline h3 {
  margin: 30px 0 10px;
  font-size: 1.05rem;
}

.portfolio-timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.68;
}

/* Abeck */

.portfolio-abeck__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(430px, 0.75fr);
  gap: clamp(48px, 8vw, 104px);
  align-items: center;
}

.portfolio-abeck__content > p:not(.portfolio-kicker, .portfolio-demo-badge) {
  max-width: 650px;
  margin: 24px 0;
  color: #b9b9c9;
  font-size: 1.02rem;
  line-height: 1.8;
}

.portfolio-demo-badge {
  display: inline-flex;
  margin: 0 0 28px;
  padding: 8px 12px;
  border: 1px solid rgba(185, 239, 59, 0.32);
  border-radius: 999px;
  background: rgba(185, 239, 59, 0.1);
  color: #dcffa1;
  font-size: 0.79rem;
  font-weight: 790;
}

.portfolio-abeck__preview {
  overflow: hidden;
  border: 1px solid rgba(240, 238, 255, 0.14);
  border-radius: 20px;
  background: #1b1e33;
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.3);
}

.portfolio-abeck__preview-bar {
  display: flex;
  gap: 7px;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(240, 238, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.portfolio-abeck__preview-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #66697d;
}

.portfolio-abeck__preview-bar span:nth-child(3) {
  background: var(--accent-2);
}

.portfolio-abeck__preview-bar strong {
  margin-left: auto;
  color: #85879a;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.portfolio-abeck__preview ul {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 12px;
  list-style: none;
}

.portfolio-abeck__preview li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 82px;
  padding: 13px 16px;
  border-radius: 12px;
}

.portfolio-abeck__preview li:hover {
  background: rgba(255, 255, 255, 0.045);
}

.portfolio-abeck__preview li > span {
  color: #9b86f2;
  font: 800 0.78rem/1 "SFMono-Regular", Consolas, monospace;
}

.portfolio-abeck__preview li strong,
.portfolio-abeck__preview li small {
  display: block;
}

.portfolio-abeck__preview li strong {
  color: #f4f3ff;
  font-size: 0.93rem;
}

.portfolio-abeck__preview li small {
  margin-top: 3px;
  color: #8f91a6;
}

/* Journal and about */

.portfolio-journal__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.portfolio-journal-card {
  display: flex;
  min-height: 282px;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.portfolio-journal-card:hover {
  border-color: #c8baf1;
  box-shadow: 0 18px 40px rgba(43, 28, 94, 0.09);
  transform: translateY(-3px);
}

.portfolio-journal-card__meta {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  color: var(--quiet);
  font-size: 0.72rem;
  font-weight: 720;
}

.portfolio-journal-card__meta span {
  color: var(--accent);
}

.portfolio-journal-card h3 {
  margin: 26px 0 12px;
  font-size: 1.15rem;
  line-height: 1.42;
}

.portfolio-journal-card h3 a {
  text-decoration: none;
}

.portfolio-journal-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.portfolio-journal-card__link {
  margin-top: auto;
  padding-top: 20px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.portfolio-about__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.75fr);
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}

.portfolio-about__copy p {
  margin: 0 0 18px;
  color: #555267;
  line-height: 1.82;
}

.portfolio-about__copy .portfolio-actions {
  margin-top: 30px;
}

.portfolio-final-cta {
  padding-block: clamp(72px, 9vw, 112px);
  background:
    linear-gradient(90deg, rgba(109, 61, 245, 0.2), transparent 50%),
    var(--navy);
  color: #fff;
  text-align: center;
}

.portfolio-final-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.portfolio-final-cta h2 {
  margin-bottom: 30px;
}

/* Keep editorial and tool pages calm and readable under the new chrome. */

body:not(.home) .content-area,
body:not(.home) .single-article,
body:not(.home) .learning-map-page,
body:not(.home) .learning-assistant-page {
  width: min(100% - 36px, var(--content));
  margin-inline: auto;
}

.single-article {
  padding-block: 48px 90px;
}

.entry-content a {
  color: var(--accent);
}

.post-card-title a:hover,
.entry-content a:hover {
  color: var(--accent-strong);
}

@media (max-width: 1024px) {
  .portfolio-hero__grid,
  .portfolio-abeck__grid {
    grid-template-columns: 1fr 0.78fr;
    gap: 42px;
  }

  .portfolio-hero__content h1 {
    font-size: clamp(2.65rem, 6vw, 4rem);
  }

  .portfolio-project-card__story {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-project-card__story div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .portfolio-project-card__story div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .portfolio-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .portfolio-timeline li,
  .portfolio-timeline li:first-child,
  .portfolio-timeline li:last-child {
    border: 1px solid #ded8f3;
    border-radius: 16px;
  }

  .portfolio-timeline li + li {
    border-left: 1px solid #ded8f3;
  }

  .portfolio-timeline li::after {
    display: none;
  }
}

@media (max-width: 820px) {
  .portfolio-container {
    width: min(100% - 36px, 1180px);
  }

  .portfolio-section-heading,
  .portfolio-hero__grid,
  .portfolio-abeck__grid,
  .portfolio-about__inner {
    grid-template-columns: 1fr;
  }

  .portfolio-section-heading {
    gap: 18px;
  }

  .portfolio-hero__visual {
    max-width: 560px;
    transform: none;
  }

  .portfolio-journal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-abeck__preview {
    max-width: 620px;
  }
}

@media (max-width: 620px) {
  .portfolio-container {
    width: min(100% - 28px, 1180px);
  }

  .portfolio-section {
    padding-block: 70px;
  }

  .portfolio-hero {
    padding-block: 62px 72px;
  }

  .portfolio-hero__content h1 {
    font-size: clamp(2.35rem, 12vw, 3.35rem);
  }

  .portfolio-hero__content h1 br,
  .portfolio-about h2 br,
  .portfolio-abeck h2 br,
  .portfolio-final-cta h2 br {
    display: none;
  }

  .portfolio-actions {
    align-items: stretch;
  }

  .portfolio-button {
    width: 100%;
  }

  .portfolio-hero__facts {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .portfolio-hero__facts div,
  .portfolio-hero__facts div + div {
    padding: 0;
    border: 0;
  }

  .portfolio-hero__visual {
    padding: 18px;
    border-radius: 18px;
  }

  .portfolio-hero__visual::before {
    width: 54px;
    height: 54px;
    right: -12px;
    top: -16px;
  }

  .portfolio-project-card__header {
    grid-template-columns: 1fr;
    padding: 25px 22px 21px;
  }

  .portfolio-project-card__story {
    grid-template-columns: 1fr;
  }

  .portfolio-project-card__story div,
  .portfolio-project-card__story div + div,
  .portfolio-project-card__story div:nth-child(3),
  .portfolio-project-card__story div:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .portfolio-project-card__story div:first-child {
    border-top: 0;
  }

  .portfolio-project-card__evidence {
    grid-template-columns: 1fr;
    padding: 21px 22px 24px;
  }

  .portfolio-project-card__evidence ul {
    display: grid;
  }

  .portfolio-timeline,
  .portfolio-journal__grid {
    grid-template-columns: 1fr;
  }

  .portfolio-timeline li {
    min-height: 0;
  }

  .portfolio-timeline h3 {
    margin-top: 18px;
  }

  .portfolio-journal-card {
    min-height: 245px;
  }

  .portfolio-demo-badge {
    align-items: flex-start;
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .portfolio-button:hover,
  .portfolio-journal-card:hover {
    transform: none;
  }
}

/* Shared top navigation */

.site-shell {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
}

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  min-height: 0;
  padding: 0;
  margin: 0;
  overflow: visible;
  border: 0;
  border-bottom: 1px solid rgba(225, 221, 239, 0.9);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  box-shadow: 0 8px 30px rgba(32, 22, 67, 0.045);
  backdrop-filter: blur(16px);
}

.site-header::before {
  display: none;
}

.site-header__inner {
  display: flex;
  width: min(100% - 48px, 1180px);
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-inline: auto;
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 11px;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--text);
}

.site-brand__mark {
  display: inline-flex;
  width: 37px;
  height: 37px;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  background: var(--navy);
  color: var(--accent-2);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.site-brand__copy {
  display: grid;
  line-height: 1.1;
}

.site-brand__name {
  font-size: 0.94rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.site-brand__tagline {
  margin-top: 4px;
  color: var(--quiet);
  font-size: 0.63rem;
  font-weight: 720;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav {
  display: block;
  margin: 0;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 760;
}

.site-nav__list {
  display: flex;
  gap: 5px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a,
.site-nav__link {
  display: inline-flex;
  grid-template-columns: none;
  min-height: 39px;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border-radius: 9px;
  color: #49465a;
  text-decoration: none;
}

.site-nav__link:hover,
.site-nav__link.is-current,
.site-nav__link.is-current-location {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.site-nav a.site-nav__link--cta {
  margin-left: 5px;
  background: var(--accent);
  color: #fff;
}

.site-nav a.site-nav__link--cta:hover,
.site-nav a.site-nav__link--cta.is-current,
.site-nav a.site-nav__link--cta.is-current-location {
  background: var(--accent-strong);
  color: #fff;
}

.site-nav-toggle {
  display: none;
  width: 43px;
  height: 43px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}

.site-nav-toggle__icon,
.site-nav-toggle__icon span {
  display: block;
}

.site-nav-toggle__icon {
  width: 19px;
}

.site-nav-toggle__icon span {
  height: 2px;
  margin-block: 4px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 160ms ease, opacity 160ms ease;
}

.site-header.is-nav-open .site-nav-toggle__icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.is-nav-open .site-nav-toggle__icon span:nth-child(2) {
  opacity: 0;
}

.site-header.is-nav-open .site-nav-toggle__icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-main {
  width: 100%;
  min-width: 0;
  padding: 0;
}

.skip-link:focus {
  position: fixed;
  z-index: 2000;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 9px 13px;
  margin: 0;
  clip: auto;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
}

/* Shared footer */

.site-footer {
  display: block;
  grid-column: auto;
  max-width: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 42px;
  width: min(100% - 48px, 1180px);
  min-height: 170px;
  align-items: center;
  margin-inline: auto;
  padding-block: 34px;
}

.site-footer__brand p {
  max-width: 470px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer__logo {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.site-footer__logo span {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--navy);
  color: var(--accent-2);
  font: 850 0.72rem/1 "SFMono-Regular", Consolas, monospace;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-footer__nav a {
  color: #4e4b60;
  font-size: 0.79rem;
  font-weight: 760;
  text-decoration: none;
}

.site-footer__nav a:hover {
  color: var(--accent);
}

.site-footer__copyright {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--quiet);
  font-size: 0.72rem;
}

/* Article discovery */

.articles-page {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
  padding-block: clamp(62px, 8vw, 96px) 110px;
}

.articles-page__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 32px;
  align-items: end;
  margin-bottom: 38px;
  padding-bottom: 32px;
  border-bottom: 0;
}

.articles-page__heading .archive-kicker,
.articles-page__heading .archive-title,
.articles-page__intro {
  grid-column: 1;
}

.articles-page__heading .archive-kicker {
  color: var(--accent);
}

.articles-page__heading .archive-title {
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  font-weight: 890;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.articles-page__intro {
  max-width: 690px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.articles-page__heading-actions {
  grid-column: 2;
  grid-row: 1 / span 3;
}

.articles-page__map-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 10px 15px;
  border: 1px solid #d8d1ed;
  border-radius: 10px;
  background: #fff;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}

.articles-page__map-link::after {
  margin-left: 8px;
  content: "↗";
}

.articles-explorer__controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 22px;
  padding: 25px;
  border: 1px solid #e0daf4;
  border-radius: 18px;
  background:
    radial-gradient(circle at 92% 0%, rgba(109, 61, 245, 0.1), transparent 17rem),
    var(--lavender);
}

.articles-explorer__search label,
.articles-explorer__sort label,
.articles-explorer__categories legend {
  display: block;
  margin-bottom: 8px;
  color: #555168;
  font-size: 0.75rem;
  font-weight: 820;
}

.articles-explorer__search input,
.articles-explorer__sort select {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  border: 1px solid #d8d1eb;
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 0.91rem;
}

.articles-explorer__search input:focus,
.articles-explorer__sort select:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(109, 61, 245, 0.14);
}

.articles-explorer__categories {
  grid-column: 1 / -1;
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
}

.articles-explorer__category-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.articles-explorer__category-buttons button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid #d8d1eb;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #575269;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 760;
  cursor: pointer;
}

.articles-explorer__category-buttons button span {
  color: var(--quiet);
  font-size: 0.7rem;
}

.articles-explorer__category-buttons button:hover,
.articles-explorer__category-buttons button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.articles-explorer__category-buttons button.is-active span {
  color: rgba(255, 255, 255, 0.9);
}

.articles-explorer__summary {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-inline: 4px;
}

.articles-explorer__summary p {
  margin: 0;
  color: #4f4b61;
  font-size: 0.87rem;
  font-weight: 790;
}

.articles-explorer__summary button {
  min-height: 34px;
  padding: 6px 11px;
  border: 1px solid #d8d1eb;
  border-radius: 8px;
  background: #fff;
  color: var(--accent);
  font: inherit;
  font-size: 0.77rem;
  font-weight: 770;
  cursor: pointer;
}

.articles-explorer__summary button:disabled {
  cursor: default;
  opacity: 0.45;
}

.articles-explorer__noscript {
  padding: 12px 14px;
  border-radius: 9px;
  background: #fff5d9;
  color: #705514;
  font-size: 0.84rem;
}

.articles-explorer__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.articles-explorer__card {
  display: flex;
  min-width: 0;
  min-height: 340px;
  flex-direction: column;
  padding: 26px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(37, 27, 82, 0.045);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.articles-explorer__card:hover {
  border-color: #c8bcf0;
  box-shadow: 0 20px 46px rgba(37, 27, 82, 0.09);
  transform: translateY(-2px);
}

.articles-explorer__card[hidden] {
  display: none;
}

.articles-explorer__card-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 19px;
}

.articles-explorer__card-categories a {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 800;
  line-height: 1.1;
  text-decoration: none;
}

.articles-explorer__card .post-card-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.1vw, 1.4rem);
  font-weight: 830;
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.articles-explorer__card .post-meta {
  margin: 9px 0 15px;
  color: var(--quiet);
  font-size: 0.73rem;
}

.articles-explorer__card .post-excerpt {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.72;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.articles-explorer__card .post-tags {
  gap: 6px;
  margin-top: auto;
  padding-top: 22px;
}

.articles-explorer__card .post-tags a {
  min-height: 25px;
  padding: 4px 8px;
  border-color: #e4e1ed;
  background: #faf9fd;
  color: #757185;
  font-size: 0.69rem;
}

.articles-explorer__empty {
  margin-top: 18px;
  padding: 42px;
  border: 1px dashed #cfc6ec;
  border-radius: 16px;
  background: var(--lavender);
  text-align: center;
}

.articles-explorer__empty[hidden] {
  display: none;
}

.articles-explorer__empty p {
  margin: 0;
}

@media (min-width: 900px) {
  body.admin-bar .site-header {
    top: 32px;
  }
}

@media (max-width: 899px) {
  body.site-nav-open {
    overflow: hidden;
  }

  .site-header__inner {
    position: relative;
    width: min(100% - 32px, 1180px);
    min-height: 66px;
  }

  .site-nav-ready .site-nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    max-height: calc(100vh - 88px);
    margin: 0;
    padding: 12px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 0 0 14px 14px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 44px rgba(27, 20, 57, 0.15);
  }

  .site-nav__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .site-nav a,
  .site-nav__link {
    display: flex;
    min-height: 44px;
    justify-content: flex-start;
    padding-inline: 13px;
  }

  .site-nav a.site-nav__link--cta {
    margin: 5px 0 0;
    justify-content: center !important;
  }

  .articles-page {
    width: min(100% - 36px, 1180px);
  }
}

@media (max-width: 700px) {
  .site-brand__tagline {
    display: none;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    width: min(100% - 36px, 1180px);
  }

  .site-footer__nav {
    gap: 12px 18px;
  }

  .articles-page {
    padding-block: 54px 78px;
  }

  .articles-page__heading {
    grid-template-columns: 1fr;
  }

  .articles-page__heading-actions {
    grid-column: 1;
    grid-row: auto;
  }

  .articles-explorer__controls {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .articles-explorer__categories {
    grid-column: 1;
  }

  .articles-explorer__list {
    grid-template-columns: 1fr;
  }

  .articles-explorer__card {
    min-height: 0;
  }
}

@media (max-width: 390px) {
  .site-header__inner,
  .articles-page,
  .site-footer__inner {
    width: min(100% - 24px, 1180px);
  }

  .site-brand__mark {
    width: 34px;
    height: 34px;
  }

  .articles-explorer__summary {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 14px;
  }
}

/* Progressive enhancement: mobile links stay in normal flow without JavaScript. */
@media (max-width: 899px) {
  html:not(.site-nav-ready) .site-header__inner {
    flex-wrap: wrap;
    padding-block: 10px;
  }

  html:not(.site-nav-ready) .site-nav {
    position: static;
    flex: 1 1 100%;
    max-height: none;
    padding: 0;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  html:not(.site-nav-ready) .site-nav__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  html.site-nav-ready .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    max-height: calc(100vh - 88px);
    padding: 12px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 0 0 14px 14px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 44px rgba(27, 20, 57, 0.15);
  }

  html.site-nav-ready .site-nav__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  html:not(.site-nav-ready) .site-nav__list {
    grid-template-columns: 1fr;
  }
}

.site-nav[hidden] {
  display: none !important;
}