@font-face {
  font-family: "Box Stalinist";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/boxcreate/fonts/stalinist-one-latin.woff2") format("woff2");
}

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

html {
  color-scheme: dark;
  background: #0b0a0d;
  scroll-behavior: smooth;
}

body,
h1,
h2,
p,
figure,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

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

:root {
  --ink: #0b0a0d;
  --paper: #f7f6f2;
  --grey: #9a97a3;
  --line: rgb(247 246 242 / 14%);
  --teal: #12b3a6;
  --violet: #6c4ce6;
  --blue: #2e6bff;
  --coral: #ff6a3d;
  --amber: #f5b301;
  --display: "Space Grotesk", sans-serif;
  --logo: "Box Stalinist", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease-in-out: cubic-bezier(.77, 0, .18, 1);
  --portal-fill:
    radial-gradient(circle at 25% 22%, var(--amber), transparent 38%),
    linear-gradient(135deg, var(--coral), var(--violet) 50%, var(--teal));
}

body {
  min-width: 320px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

::selection {
  background: var(--teal);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: .72rem;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* —— Portal (the colored box) —— */

.portal-mark {
  display: inline-block;
  flex: 0 0 auto;
  width: .52em;
  height: .52em;
  border-radius: 28%;
  background: var(--portal-fill);
  box-shadow: 0 0 0 1px rgb(255 255 255 / 16%);
  transform: none;
  overflow: hidden;
  font-style: normal;
  vertical-align: baseline;
}

.portal-mark--aurora {
  background-size: 220% 220%;
  animation: portal-aurora 4.5s linear infinite;
}

.portal-mark--solo {
  width: 56px;
  height: 56px;
}

.portal-mark--nav {
  width: .48em;
  height: .48em;
}

.portal-mark--hero {
  width: .48em;
  height: .48em;
}

.portal-mark--mono {
  background: var(--paper);
  box-shadow: none;
}

.portal-mark--mono-ink {
  background: var(--ink);
  box-shadow: none;
}

@keyframes portal-aurora {
  0% {
    background-position: 0% 40%;
  }
  50% {
    background-position: 100% 60%;
  }
  100% {
    background-position: 0% 40%;
  }
}

/* —— Lockups —— */

.lockup {
  display: inline-flex;
  align-items: baseline;
  gap: .18em;
  max-width: 100%;
  font-family: var(--logo);
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
  text-transform: lowercase;
  white-space: nowrap;
  color: var(--paper);
}

.lockup > span {
  display: block;
  flex: 0 0 auto;
}

.lockup-create {
  color: var(--grey);
}

.lockup--compact {
  font-size: clamp(2rem, 7vw, 3.4rem);
}

.lockup--expanded {
  font-size: clamp(1.15rem, 3.6vw, 2rem);
}

.lockup--hero {
  font-size: clamp(1.5rem, 7vw, 3.8rem);
}

.lockup--nav {
  font-size: .88rem;
  gap: .14em;
}

.lockup--nav-large {
  font-size: 1.25rem;
}

.lockup--mono .lockup-create,
.lockup--mono-ink .lockup-create {
  color: inherit;
  opacity: .55;
}

.lockup--mono-ink {
  color: var(--ink);
}

/* —— Rail —— */

.kit-rail {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: rgb(11 10 13 / 92%);
  backdrop-filter: blur(10px);
}

.rail-nav {
  display: none;
  flex: 1;
  gap: 18px;
  justify-content: center;
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--grey);
}

.rail-nav a:hover {
  color: var(--paper);
}

.rail-link {
  margin-left: auto;
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--grey);
}

.rail-link:hover {
  color: var(--teal);
}

/* —— Kit layout —— */

.kit {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 96px;
}

.kit-hero {
  padding: clamp(48px, 12vh, 120px) 0 72px;
  border-bottom: 1px solid var(--line);
}

.kit-kicker {
  margin-bottom: 28px;
  color: var(--grey);
  font-size: .58rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.brand-title {
  margin: 0;
  overflow-x: auto;
}

.kit-lede {
  margin-top: 28px;
  max-width: 28rem;
  color: rgb(247 246 242 / 72%);
  font-family: var(--display);
  font-size: clamp(.95rem, 1.6vw, 1.15rem);
  font-weight: 500;
  letter-spacing: -.03em;
  line-height: 1.45;
}

.kit-section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.section-index {
  margin-bottom: 12px;
  color: var(--grey);
  font-size: .58rem;
  letter-spacing: .14em;
}

.kit-section h2 {
  margin-bottom: 22px;
  font-family: var(--display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -.04em;
}

.section-note {
  margin: -8px 0 28px;
  color: var(--grey);
  font-size: .68rem;
  letter-spacing: .04em;
  line-height: 1.5;
}

.prose {
  max-width: 36rem;
  font-family: var(--display);
  font-size: clamp(.95rem, 1.4vw, 1.08rem);
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.55;
  color: rgb(247 246 242 / 78%);
}

.prose p + p {
  margin-top: 1em;
}

.prose strong {
  color: var(--paper);
  font-weight: 600;
}

.tagline {
  color: var(--paper) !important;
  font-size: 1.12em;
  font-weight: 500;
}

.tagline span {
  color: var(--teal);
}

.idea-list {
  display: grid;
  gap: 18px;
  margin-top: 36px;
  max-width: 40rem;
}

.idea-list li {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.idea-list span {
  color: var(--teal);
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.idea-list p {
  font-family: var(--display);
  font-size: .95rem;
  letter-spacing: -.02em;
  line-height: 1.45;
  color: rgb(247 246 242 / 72%);
}

/* —— Specimens —— */

.specimen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.specimen {
  display: flex;
  flex-direction: column;
  min-height: 240px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.specimen--wide {
  grid-column: 1 / -1;
}

.specimen-field {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  padding: 28px 20px;
  overflow: hidden;
  background: var(--ink);
}

.specimen-field--paper {
  background: var(--paper);
}

.specimen figcaption,
.symbol figcaption {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
}

.specimen figcaption strong,
.symbol figcaption strong {
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.specimen figcaption span,
.symbol figcaption span {
  color: var(--grey);
  font-size: .58rem;
  letter-spacing: .04em;
  line-height: 1.4;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.download-row a {
  color: var(--teal);
  font-size: .55rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgb(18 179 166 / 35%);
}

.download-row a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.app-mark-img {
  width: min(220px, 56vw);
  height: auto;
}

.preview-anim {
  width: min(280px, 70%);
  height: auto;
}

/* —— Symbols —— */

.symbol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.symbol {
  border: 1px solid var(--line);
}

.symbol-field {
  display: grid;
  place-items: center;
  min-height: 140px;
  padding: 28px;
}

.sym-period {
  display: inline-flex;
  align-items: baseline;
  gap: .18em;
  font-family: var(--logo);
  font-size: 2.4rem;
  line-height: 1;
  white-space: nowrap;
}

.sym-period i {
  display: inline-block;
  width: .42em;
  height: .42em;
  border-radius: 28%;
  background: var(--portal-fill);
  overflow: hidden;
  font-style: normal;
  vertical-align: baseline;
}

.sym-portal {
  width: 72px;
  height: 72px;
  border: 2px solid rgb(247 246 242 / 55%);
  border-radius: 22%;
  background:
    radial-gradient(circle at 30% 25%, rgb(245 179 1 / 45%), transparent 42%),
    linear-gradient(135deg, rgb(255 106 61 / 35%), rgb(108 76 230 / 45%), rgb(18 179 166 / 35%));
}

.sym-grid {
  display: grid;
  grid-template-columns: repeat(2, 28px);
  gap: 8px;
}

.sym-grid i {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  font-style: normal;
}

.sym-grid i:nth-child(4) {
  background: var(--portal-fill);
  border: 0;
  border-radius: 28%;
}

.sym-nested {
  position: relative;
  width: 72px;
  height: 72px;
}

.sym-nested i {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgb(247 246 242 / 45%);
  border-radius: 18%;
  font-style: normal;
}

.sym-nested i:last-child {
  inset: 16px;
  border-color: var(--teal);
}

.sym-strip {
  width: 120px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--amber), var(--coral), var(--violet), var(--blue), var(--teal));
}

.sym-hinge {
  display: inline-flex;
  align-items: baseline;
  gap: .2em;
  font-family: var(--logo);
  font-size: 1.05rem;
  line-height: 1;
  white-space: nowrap;
}

.sym-hinge b {
  font-weight: 400;
}

.sym-hinge b:last-of-type {
  color: var(--grey);
}

.sym-hinge i {
  display: inline-block;
  width: .48em;
  height: .48em;
  border-radius: 28%;
  background: var(--portal-fill);
  overflow: hidden;
  font-style: normal;
  vertical-align: baseline;
}

/* —— Type —— */

.type-grid {
  display: grid;
  gap: 28px;
}

.type-sample {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.type-label {
  margin-bottom: 14px;
  color: var(--grey);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.type-logo {
  font-family: var(--logo);
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
}

.type-display {
  font-family: var(--display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -.04em;
  line-height: 1.25;
}

.type-mono {
  font-size: .85rem;
  letter-spacing: .08em;
  color: var(--grey);
}

.type-note {
  margin-top: 12px;
  color: var(--grey);
  font-size: .58rem;
  letter-spacing: .06em;
}

/* —— Color —— */

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.swatch {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(var(--swatch) 0 72px, transparent 72px);
  min-height: 120px;
}

.swatch--paper {
  color: var(--ink);
}

.swatch span {
  margin-top: 78px;
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.swatch code {
  font-size: .58rem;
  color: var(--grey);
}

.swatch--paper code {
  color: rgb(11 10 13 / 55%);
}

.portal-note {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--line);
  max-width: 40rem;
}

.portal-note p {
  font-family: var(--display);
  font-size: .92rem;
  letter-spacing: -.02em;
  line-height: 1.45;
  color: rgb(247 246 242 / 72%);
}

/* —— Downloads —— */

.download-panel {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  padding: 18px;
  border: 1px solid var(--line);
}

.download-panel h3 {
  margin: 0;
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--grey);
}

/* —— Footer —— */

.kit-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--grey);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.kit-footer a:hover {
  color: var(--paper);
}

@media (min-width: 840px) {
  .rail-nav {
    display: flex;
  }

  .rail-link {
    margin-left: 0;
  }

  .type-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .type-sample {
    padding: 0 0 0 20px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .type-sample:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portal-mark--aurora {
    animation: none;
  }
}