/* Homepage-only extras. Tokens stay in /assets/css/challenge-guide.css. Reversible: drop this sheet + restore index.html. */

@font-face {
  font-family: Fraunces;
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/fraunces-latin-700.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: Fraunces;
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/fraunces-latin-500italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

html { scroll-padding-top: 4.75rem; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 20;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  background: var(--primary);
  color: #fff !important;
  font-weight: 700;
  text-decoration: none;
}

.skip:focus {
  width: auto;
  height: auto;
  padding: 0.55rem 1rem;
  overflow: visible;
  clip: auto;
  clip-path: none;
  white-space: normal;
  border-radius: 9999px;
}

::selection {
  background: var(--primary);
  color: #fff;
}

body.home {
  --display: Fraunces, "Times New Roman", Times, serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 72% 42% at 100% -8%, rgba(42, 74, 155, 0.07), transparent 58%),
    radial-gradient(ellipse 48% 34% at -6% 6%, rgba(24, 34, 56, 0.04), transparent 52%);
}

body.home::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.32;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.28'/%3E%3C/svg%3E");
}

body.home > * {
  position: relative;
  z-index: 1;
}

.wrap.wide {
  max-width: 70rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

header.site .logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 0.45rem;
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg-raised) 82%, transparent);
  backdrop-filter: saturate(1.15) blur(12px);
  -webkit-backdrop-filter: saturate(1.15) blur(12px);
}

header.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
}

header.site nav a {
  margin-right: 0;
}

main.wrap.wide {
  padding-top: 2.35rem;
  padding-bottom: 4.5rem;
}

.hero-copy {
  position: relative;
}

.hero-mark {
  display: block;
  width: 1.85rem;
  height: auto;
  margin: 0 0 0.75rem;
  color: var(--primary);
  flex-shrink: 0;
}

.hero {
  display: grid;
  gap: 1.85rem;
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(17.5rem, 0.8fr);
    align-items: end;
    gap: 2.5rem 3.25rem;
    padding-bottom: 2.85rem;
  }

  .hero-mark {
    position: absolute;
    margin: 0;
    width: 11.25rem;
    height: auto;
    top: 2.35rem;
    right: -0.85rem;
    opacity: 0.14;
    pointer-events: none;
    z-index: 0;
  }

  .hero-copy > :not(.hero-mark) {
    position: relative;
    z-index: 1;
  }
}

.folio {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.05rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
}

.folio i {
  flex: 1;
  height: 1px;
  background: var(--line);
  min-width: 2.5rem;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.55rem, 7vw, 4.55rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin: 0 0 1.15rem;
  font-weight: 700;
  font-synthesis: none;
}

.hero h1 .and {
  font-family: var(--display);
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--primary);
  font-size: 0.62em;
  padding-right: 0.18em;
}

.hero .lede {
  font-size: clamp(1.05rem, 1.55vw, 1.2rem);
  max-width: 36rem;
  margin: 0;
}

.jump-kicker {
  margin: 1.45rem 0 0.55rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  max-width: 36rem;
}

.jump a {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 9999px;
  padding: 0.4rem 0.85rem;
  transition: border-color 0.16s ease, color 0.16s ease, background-color 0.16s ease;
}

.jump a:hover {
  border-color: var(--primary);
  color: var(--primary-deep);
  background: #fff;
}

.lanes {
  display: grid;
  gap: 0.75rem;
}

.lane {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: 0.35rem 1.1rem 1.1rem 0.35rem;
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: 0 1px 0 rgba(24, 34, 56, 0.03);
}

.lane .kicker {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.4rem;
}

.lane h2 {
  font-family: var(--display);
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.lane p {
  color: var(--muted);
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
}

.lane .cta {
  padding: 0.65rem 1.2rem;
  font-size: 0.92rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  align-items: center;
  margin: 0 0 1.25rem;
}

.section {
  margin-top: 0;
  padding-top: 2.55rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 1.25rem;
}

.hero + .section {
  border-top: 0;
}

.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.1rem 1.15rem;
  align-items: start;
  margin: 0 0 1.4rem;
}

.section-num {
  grid-row: 1 / span 4;
  font-family: var(--display);
  font-size: clamp(2.2rem, 4.2vw, 3.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.82;
  color: var(--primary);
  padding-top: 0.2rem;
  font-variant-numeric: tabular-nums;
}

.section-head .eyebrow {
  margin: 0 0 0.2rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.section-head .deck {
  grid-column: 2;
  margin: 0.4rem 0 0;
  color: var(--muted);
  max-width: 42rem;
}

.section-head .cta {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.85rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.92rem;
}

.grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .grid.two { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .grid.three { grid-template-columns: 1fr 1fr 1fr; }
  .grid.four { grid-template-columns: 1fr 1fr 1fr 1fr; }
}

#shopify .grid {
  counter-reset: tile;
}

#shopify .tile {
  position: relative;
  padding-top: 1.45rem;
}

#shopify .tile::before {
  counter-increment: tile;
  content: counter(tile, decimal-leading-zero);
  position: absolute;
  top: 0.85rem;
  right: 1.05rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.tile {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 1.05rem;
  padding: 1.1rem 1.15rem 1.15rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.tile:hover {
  border-color: #c9d0e4;
  box-shadow: 0 10px 28px -18px rgba(24, 34, 56, 0.45);
}

.tile .meta {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.45rem;
}

.tile h3 {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 0.4rem;
}

.tile h3 a {
  color: inherit;
  text-decoration: none;
}

.tile h3 a:hover {
  color: var(--primary);
}

.tile p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 0.95rem;
  flex: 1;
}

.tile .cta {
  padding: 0.62rem 1.15rem;
  font-size: 0.88rem;
  align-self: start;
}

.tile .more {
  margin: 0.7rem 0 0;
  font-size: 0.88rem;
}

.tile .more a {
  text-decoration: none;
  font-weight: 600;
}

.flagships {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 860px) {
  .flagships {
    grid-template-columns: 1fr 1fr;
  }
}

.flag {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 3px solid var(--primary);
  border-radius: 0.25rem 0.25rem 1.1rem 1.1rem;
  padding: 1.25rem 1.3rem 1.3rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.flag:hover {
  border-color: #c9d0e4;
  border-top-color: var(--primary);
  box-shadow: 0 12px 32px -18px rgba(24, 34, 56, 0.5);
}

.flag .code {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.45rem;
}

.flag h3 {
  font-family: var(--display);
  font-size: 1.38rem;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 0.45rem;
  line-height: 1.2;
}

.flag p {
  color: var(--muted);
  margin: 0 0 1.05rem;
  flex: 1;
}

.flag .cta-row {
  margin-bottom: 0.65rem;
}

.flag .more {
  margin: 0;
  font-size: 0.88rem;
}

.curated {
  margin-top: 1.15rem;
}

h3.eyebrow {
  margin: 1.75rem 0 0.85rem;
}

.index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.15rem;
}

.index a {
  display: inline-block;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  border-radius: 9999px;
  padding: 0.32rem 0.72rem;
}

.index a:hover {
  border-color: var(--primary);
  color: var(--primary-deep);
}

.paper {
  background: var(--bg-tint);
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  padding: 1.15rem 1.15rem 0.35rem;
}

.dir {
  margin: 0 0 1.35rem;
  scroll-margin-top: 5rem;
}

.dir + .dir {
  margin-top: 0;
  padding-top: 0.35rem;
}

.dir dt {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.4rem;
}

.dir dt::after {
  content: "";
  flex: 1;
  height: 1px;
  background: color-mix(in srgb, var(--line) 80%, var(--primary) 20%);
}

.dir dd {
  margin: 0;
}

.dir-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.dir-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.15rem 0.7rem;
  margin: 0;
  padding: 0.5rem 0.2rem 0.5rem 0.45rem;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background-color 0.14s ease, border-left-color 0.14s ease;
}

.dir-list li:hover {
  background: color-mix(in srgb, var(--bg-raised) 70%, transparent);
  border-left-color: var(--primary);
}

.dir-list a.hub {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  line-height: 1.35;
  min-width: 0;
}

.dir-list a.hub:hover {
  color: var(--primary);
}

.dir-list a.store {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  padding-top: 0.12rem;
}

@media (min-width: 760px) {
  .dir-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 1.75rem;
  }

  .dir-list li:nth-child(odd):last-child {
    grid-column: 1;
  }
}

@media (min-width: 1100px) {
  .dir-list {
    grid-template-columns: 1fr 1fr 1fr;
    column-gap: 1.4rem;
  }

  .dir-list li:nth-child(odd):last-child {
    grid-column: auto;
  }
}

.guide-grid {
  gap: 0;
}

.guide-grid .tile {
  padding: 0.85rem 0.15rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.guide-grid .tile:hover {
  box-shadow: none;
  border-color: transparent;
  border-bottom-color: var(--line);
}

.guide-grid .tile h3 {
  font-size: 1.02rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.also-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .also-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.also h3 {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.65rem;
  color: var(--primary);
}

.also ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.also li {
  margin: 0;
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.also a {
  text-decoration: none;
  font-weight: 600;
  color: var(--ink);
}

.also a:hover {
  color: var(--primary);
}

.limit {
  margin-top: 2.25rem;
}

footer.site .cols {
  display: grid;
  gap: 1.25rem 2rem;
}

@media (min-width: 720px) {
  footer.site .cols {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
  }
}

footer.site .brand {
  font-family: var(--display);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}

footer.site p {
  margin: 0;
  max-width: 22rem;
}

footer.site h2 {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.45rem;
}

a:focus-visible,
button:focus-visible,
.cta:focus-visible,
.jump a:focus-visible,
.index a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: rise 0.7s ease both;
  }

  .lanes {
    animation: rise 0.75s ease 0.1s both;
  }

  .jump a,
  .index a {
    transition: border-color 0.16s ease, color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
  }

  .jump a:hover,
  .index a:hover {
    transform: translateY(-1px);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 40rem) {
  .wrap.wide {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  header.site .bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
  }

  header.site nav {
    width: 100%;
    gap: 0.3rem 0.7rem;
  }

  header.site nav a {
    font-size: 0.82rem;
  }

  .hero {
    gap: 1.45rem;
    padding-bottom: 1.85rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 2.7rem);
  }

  .jump,
  .index {
    max-width: none;
  }

  .jump a,
  .index a {
    font-size: 0.76rem;
    padding: 0.36rem 0.72rem;
  }

  .hero .cta,
  .lane .cta,
  .tile .cta,
  .flag .cta,
  .section-head .cta {
    display: inline-block;
    max-width: 100%;
  }

  .section-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.15rem;
  }

  .section-num {
    grid-row: auto;
    font-size: 1.35rem;
    line-height: 1;
    padding-top: 0;
    margin-bottom: 0.15rem;
  }

  .section-head .deck,
  .section-head .cta {
    grid-column: 1;
  }

  .paper {
    padding: 0.85rem 0.75rem 0.2rem;
    border-radius: 0.9rem;
  }

  .dir-list li {
    padding: 0.55rem 0.15rem 0.55rem 0.35rem;
  }

  .guide-grid .tile {
    padding: 0.75rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile,
  .flag,
  .cta,
  .jump a,
  .index a,
  .hero-copy,
  .lanes {
    animation: none;
    transition: none;
  }

  .tile:hover,
  .flag:hover,
  .jump a:hover,
  .index a:hover {
    box-shadow: none;
    transform: none;
  }
}