@font-face {
  font-family: "Poppins";
  src: url("./public/assets/fonts/poppins-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("./public/assets/fonts/poppins-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("./public/assets/fonts/poppins-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ink: #11110f;
  --muted: #777772;
  --subtle: #9a9a95;
  --line: #e4e4df;
  --soft: #f6f6f3;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.studio-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.studio-header__inner {
  display: flex;
  width: min(100%, var(--max));
  min-height: 76px;
  margin: 0 auto;
  padding: 0 32px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.studio-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.studio-brand img {
  display: block;
  width: 132px;
  height: 42px;
  object-fit: contain;
}

.studio-brand span {
  padding-left: 12px;
  border-left: 1px solid #d8d8d2;
  color: #6f6f6a;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.studio-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.studio-nav a {
  color: #767671;
  font-size: 12px;
  font-weight: 500;
  transition: color 160ms ease;
}

.studio-nav a:hover,
.studio-nav a:focus-visible,
.studio-nav a.is-active {
  color: var(--ink);
}

.studio-main {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 32px;
}

.studio-hero {
  display: grid;
  min-height: 330px;
  padding: 72px 0 58px;
  align-content: center;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: #8a8a85;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.studio-hero h1 {
  max-width: 850px;
  margin: 18px 0 18px;
  font-size: clamp(48px, 6vw, 78px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.studio-hero p {
  max-width: 670px;
  margin: 0;
  color: #676762;
  font-size: 15px;
  line-height: 1.7;
}

.hero-link {
  display: inline-flex;
  width: fit-content;
  margin-top: 28px;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--ink);
  font-size: 12px;
  font-weight: 600;
  line-height: 2;
}

.skill-library {
  padding: 58px 0 72px;
}

.skill-library__header {
  display: flex;
  margin-bottom: 26px;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.skill-library__header h2,
.usage h2 {
  margin: 10px 0 0;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.skill-count {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.skill-filters {
  display: flex;
  margin-bottom: 18px;
  gap: 7px;
  overflow-x: auto;
  scrollbar-width: none;
}

.skill-filters::-webkit-scrollbar {
  display: none;
}

.skill-filters button {
  min-height: 34px;
  padding: 0 14px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #74746f;
  cursor: pointer;
  font-size: 10px;
  font-weight: 500;
  transition: 160ms ease;
}

.skill-filters button:hover,
.skill-filters button:focus-visible {
  border-color: #bdbdb7;
  color: var(--ink);
}

.skill-filters button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.skill-list {
  border-top: 1px solid var(--line);
}

.skill-row {
  display: grid;
  min-height: 110px;
  padding: 22px 4px;
  grid-template-columns: 44px minmax(190px, 0.9fr) minmax(260px, 1.55fr) minmax(145px, 0.65fr) auto;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease;
}

.skill-row:hover {
  background: linear-gradient(90deg, transparent, var(--soft) 7%, var(--soft) 93%, transparent);
}

.skill-row[hidden] {
  display: none;
}

.skill-row__mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 11px;
  background: var(--ink);
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 700;
}

.skill-row__identity {
  min-width: 0;
}

.skill-row__category {
  display: block;
  margin-bottom: 5px;
  color: #90908b;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.skill-row__identity h3 {
  margin: 0;
  overflow: hidden;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-row__identity code {
  display: block;
  margin-top: 5px;
  overflow: hidden;
  color: #8b8b86;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-row__summary {
  margin: 0;
  color: #666661;
  font-size: 11px;
  line-height: 1.65;
}

.skill-row__author {
  display: grid;
  gap: 4px;
}

.skill-row__author span {
  color: #9a9a95;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.skill-row__author strong {
  font-size: 10px;
  font-weight: 600;
}

.skill-row__action {
  display: inline-flex;
  min-width: 104px;
  min-height: 38px;
  padding: 0 15px;
  align-items: center;
  justify-content: center;
  border: 1px solid #cecec8;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 9px;
  font-weight: 600;
  white-space: nowrap;
  transition: 160ms ease;
}

.skill-row__action:hover,
.skill-row__action:focus-visible {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.skill-row--featured .skill-row__action {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.skill-row--featured .skill-row__action:hover,
.skill-row--featured .skill-row__action:focus-visible {
  background: #343431;
}

.skill-empty {
  margin: 0;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.usage {
  display: grid;
  padding: 58px 0 72px;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.5fr);
  gap: 72px;
  border-top: 1px solid var(--line);
}

.usage ol {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0;
  list-style: none;
}

.usage li {
  display: grid;
  min-height: 72px;
  padding: 18px 0;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.usage li:first-child {
  border-top: 1px solid var(--line);
}

.usage li > span {
  color: #9a9a95;
  font-size: 9px;
  font-weight: 600;
}

.usage li p {
  margin: 0;
  color: #666661;
  font-size: 11px;
  line-height: 1.55;
}

.usage li strong {
  color: var(--ink);
  font-weight: 600;
}

.studio-footer {
  display: grid;
  width: min(100%, var(--max));
  min-height: 120px;
  margin: 0 auto;
  padding: 34px 32px;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px;
  border-top: 1px solid var(--line);
  color: #7c7c77;
  font-size: 10px;
}

.studio-footer > span {
  color: var(--ink);
  font-weight: 600;
}

.studio-footer p {
  margin: 0;
}

.studio-footer a {
  color: var(--ink);
  font-weight: 500;
}

.copy-toast {
  position: fixed;
  z-index: 50;
  right: 24px;
  bottom: 24px;
  padding: 12px 16px;
  transform: translateY(12px);
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-size: 10px;
  opacity: 0;
  pointer-events: none;
  transition: 180ms ease;
}

.copy-toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

:focus-visible {
  outline: 2px solid #10a37f;
  outline-offset: 3px;
}

@media (max-width: 940px) {
  .skill-row {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 14px 18px;
  }

  .skill-row__mark {
    grid-column: 1;
    grid-row: 1 / 4;
  }

  .skill-row__identity {
    grid-column: 2;
    grid-row: 1;
  }

  .skill-row__summary {
    grid-column: 2;
    grid-row: 2;
  }

  .skill-row__author {
    display: flex;
    grid-column: 2;
    grid-row: 3;
    align-items: baseline;
    gap: 7px;
  }

  .skill-row__action {
    grid-column: 3;
    grid-row: 1 / 4;
  }
}

@media (max-width: 680px) {
  .studio-header__inner,
  .studio-main,
  .studio-footer {
    padding-right: 18px;
    padding-left: 18px;
  }

  .studio-header__inner {
    min-height: 68px;
  }

  .studio-brand img {
    width: 106px;
    height: 34px;
  }

  .studio-brand span {
    padding-left: 9px;
    font-size: 9px;
  }

  .studio-nav {
    gap: 16px;
  }

  .studio-nav a {
    font-size: 10px;
  }

  .studio-nav a:first-child {
    display: none;
  }

  .studio-hero {
    min-height: 290px;
    padding: 54px 0 46px;
  }

  .studio-hero h1 {
    font-size: 48px;
  }

  .studio-hero p {
    font-size: 13px;
  }

  .skill-library {
    padding: 44px 0 54px;
  }

  .skill-library__header {
    align-items: flex-start;
  }

  .skill-library__header h2,
  .usage h2 {
    font-size: 25px;
  }

  .skill-row {
    min-height: 0;
    padding: 20px 0;
    grid-template-columns: 40px minmax(0, 1fr);
    align-items: start;
    gap: 11px 14px;
  }

  .skill-row__mark {
    width: 38px;
    height: 38px;
    grid-column: 1;
    grid-row: 1 / 4;
  }

  .skill-row__identity {
    grid-column: 2;
    grid-row: 1;
  }

  .skill-row__summary {
    grid-column: 2;
    grid-row: 2;
  }

  .skill-row__author {
    display: flex;
    grid-column: 2;
    grid-row: 3;
    align-items: baseline;
    gap: 7px;
  }

  .skill-row__action {
    width: fit-content;
    min-width: 0;
    min-height: 34px;
    margin-top: 3px;
    grid-column: 2;
    grid-row: 4;
  }

  .usage {
    padding: 44px 0 54px;
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .studio-footer {
    min-height: 112px;
    grid-template-columns: 1fr auto;
  }

  .studio-footer p {
    display: none;
  }
}

@media (max-width: 430px) {
  .studio-nav a:nth-child(2) {
    display: none;
  }

  .studio-hero h1 {
    font-size: 42px;
  }

  .skill-count {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}