:root {
  --paper: #F5F0E6;
  --ink: #1F1B16;
  --red: #E63946;
  --blue: #1D3557;
  --green: #2EC4B6;
  --sand: #D1C9BA;
  --khaki: #D4A373;
  --night: #0D0A07;
  --font-display: "Arial Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Open Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --header-height: clamp(64px, 8vw, 84px);
  --max-width: 1280px;
  --shadow-soft: 0 12px 32px rgba(13, 10, 7, .07);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

ul, ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

::selection {
  background: var(--red);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -.02em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
}

h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
}

.container {
  width: min(100% - clamp(32px, 6vw, 96px), var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: clamp(56px, 9vw, 120px);
}

.section--compact {
  padding-block: clamp(36px, 5vw, 64px);
}

.asymmetric-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
}

.grid-autofit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: clamp(16px, 3vw, 32px);
}

.pitch-rule {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--red) 0 72px, var(--sand) 72px 100%);
  margin: clamp(32px, 6vw, 72px) 0;
}

.divider {
  border: 0;
  height: 1px;
  background: var(--sand);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--red);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
}

.section-index,
.chapter__index {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 128px);
  line-height: .8;
  letter-spacing: -.05em;
  color: var(--ink);
}

@supports (-webkit-text-stroke: 1px var(--ink)) {
  .section-index,
  .chapter__index {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--ink);
  }
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.7;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 20px 0;
  font-family: var(--font-mono);
  font-size: 13px;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--sand);
}

.breadcrumbs a {
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--red);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: 12px 24px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .25s, color .25s, box-shadow .25s, transform .25s;
}

.btn:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
  box-shadow: 6px 6px 0 rgba(13, 10, 7, .14);
  transform: translate(-2px, -2px);
}

.btn--primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}

.btn--primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 rgba(230, 57, 70, .25);
}

.btn--dark {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn--dark:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--paper);
}

.btn--ghost {
  border-color: currentColor;
}

.chapter {
  border-top: 1px solid var(--sand);
  padding-block: clamp(52px, 8vw, 104px);
}

.chapter__index {
  display: block;
}

.chapter__title {
  margin-top: 8px;
  font-size: clamp(1.6rem, 3.2vw, 2.8rem);
}

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

.bg-blue {
  background: var(--blue);
  color: var(--paper);
}

.bg-khaki {
  background: var(--khaki);
  color: var(--ink);
}

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

.card {
  position: relative;
  display: block;
  background: var(--paper);
  border: 1px solid var(--sand);
  box-shadow: 0 10px 24px rgba(13, 10, 7, .06);
  padding: clamp(18px, 2.5vw, 32px);
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}

.card:hover {
  border-color: var(--red);
  box-shadow: 8px 8px 0 rgba(230, 57, 70, .18);
  transform: translateY(-3px);
}

.card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.3;
  margin-top: .5em;
}

.card__text {
  margin-top: .6em;
  font-size: 15px;
  color: rgba(31, 27, 22, .78);
}

.stat {
  border-left: 3px solid var(--red);
  padding: 4px 0 4px 16px;
}

.stat--blue {
  border-left-color: var(--blue);
}

.stat--green {
  border-left-color: var(--green);
}

.stat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--khaki);
}

.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  background: var(--khaki);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.tag--green {
  background: var(--green);
  color: var(--night);
}

.tag--red {
  background: var(--red);
  color: var(--paper);
}

.img-frame {
  position: relative;
  display: block;
  background: var(--sand);
  border: 1px solid var(--sand);
  overflow: hidden;
  box-shadow: 6px 6px 0 rgba(13, 10, 7, .08);
}

.img-frame > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
  background: linear-gradient(135deg, rgba(212, 163, 115, .9) 0 46%, rgba(209, 201, 186, .9) 46% 100%);
}

.img-ratio-16x9 {
  aspect-ratio: 16 / 9;
}

.img-ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.img-ratio-3x4 {
  aspect-ratio: 3 / 4;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--sand);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
}

.table-wrap th,
.table-wrap td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--sand);
  text-align: left;
}

.table-wrap th {
  background: rgba(29, 53, 87, .06);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue);
}

.table-wrap tr:last-child td {
  border-bottom: 0;
}

.table-wrap tr:hover td {
  background: rgba(230, 57, 70, .05);
}

.content-prose {
  max-width: 70ch;
}

.content-prose p {
  margin-bottom: 1.4em;
}

.content-prose h2,
.content-prose h3,
.content-prose h4 {
  margin: 1.6em 0 .4em;
}

.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(360px, 64vh, 600px);
  padding: calc(var(--header-height) + 48px) 0 56px;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(230, 57, 70, .38), transparent 38%),
    linear-gradient(240deg, rgba(29, 53, 87, .5), transparent 55%),
    radial-gradient(circle at 78% 25%, rgba(46, 196, 182, .22), transparent 30%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  left: -5%;
  right: -5%;
  top: 42%;
  height: 2px;
  background: rgba(245, 240, 230, .16);
  transform: rotate(-3deg);
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  width: min(100% - clamp(32px, 6vw, 96px), var(--max-width));
  margin-inline: auto;
}

.page-hero__title {
  max-width: 16ch;
}

.page-hero__intro {
  max-width: 60ch;
  margin-top: 20px;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(245, 240, 230, .78);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--red);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform .2s var(--ease);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(13, 10, 7, .44), rgba(13, 10, 7, 0));
  color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: background .3s, color .3s, border-color .3s, box-shadow .3s;
}

.site-header.is-scrolled {
  background: rgba(245, 240, 230, .94);
  color: var(--ink);
  border-bottom-color: var(--sand);
  box-shadow: 0 8px 28px rgba(13, 10, 7, .06);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.site-header.is-nav-open {
  background: var(--night);
  color: var(--paper);
  box-shadow: none;
}

.site-header__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 40px);
  width: min(100% - clamp(32px, 6vw, 96px), var(--max-width));
  margin-inline: auto;
  min-height: var(--header-height);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--green) 100%);
  pointer-events: none;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1;
  white-space: nowrap;
}

.site-brand:hover {
  color: inherit;
}

.site-brand__mark {
  flex: 0 0 auto;
  width: clamp(28px, 3vw, 38px);
  height: auto;
  transition: transform .3s var(--ease);
}

.site-brand:hover .site-brand__mark {
  transform: rotate(-6deg);
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2px, 1vw, 8px);
}

.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1;
  color: inherit;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}

.nav-list a:hover {
  color: var(--red);
}

.nav-list a[aria-current="page"] {
  color: var(--red);
}

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-search {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: border-color .3s, color .3s;
}

.header-search:hover {
  border-color: var(--red);
  color: var(--red);
}

.header-search svg {
  width: 20px;
  height: 20px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  transition: background-color .25s, border-color .25s, color .25s;
}

.nav-toggle:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}

.nav-toggle__box {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
}

.nav-toggle__bar {
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.nav-toggle__bar:nth-child(1) {
  top: 0;
}

.nav-toggle__bar:nth-child(2) {
  top: 6px;
}

.nav-toggle__bar:nth-child(3) {
  top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 920px) {
  .site-header__inner {
    gap: 8px;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-search {
    margin-left: 8px;
    border-color: currentColor;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1;
    margin-left: 0;
    background: var(--night);
    color: var(--paper);
    box-shadow: 0 18px 40px rgba(13, 10, 7, .22);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity .25s, transform .25s, visibility .25s;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    border-top: 1px solid rgba(245, 240, 230, .16);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 10px 20px 22px;
  }

  .nav-list a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(245, 240, 230, .14);
    font-size: 17px;
  }

  .nav-list a::after {
    display: none;
  }
}

.site-footer {
  position: relative;
  z-index: 0;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
}

.site-footer::before {
  content: "09";
  position: absolute;
  right: -.08em;
  bottom: -.22em;
  font-family: var(--font-display);
  font-size: clamp(140px, 30vw, 360px);
  line-height: .8;
  font-weight: 900;
  letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 240, 230, .07);
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0 18%, var(--blue) 18% 36%, var(--green) 36% 55%, var(--khaki) 55% 72%, var(--red) 72% 100%);
  opacity: .7;
  pointer-events: none;
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  column-gap: clamp(24px, 4vw, 64px);
  row-gap: 32px;
  width: min(100% - clamp(32px, 6vw, 96px), var(--max-width));
  margin-inline: auto;
  padding: clamp(48px, 7vw, 96px) 0 clamp(36px, 5vw, 48px);
}

.site-footer__brand {
  grid-column: 1;
}

.site-footer__nav {
  grid-column: 2;
}

.site-footer__contact {
  grid-column: 3;
}

.site-footer__legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid rgba(245, 240, 230, .14);
}

.site-footer__legal-label {
  margin-right: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}

.site-footer__bottom {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgba(245, 240, 230, .14);
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(245, 240, 230, .66);
}

.site-footer .site-brand {
  font-size: clamp(18px, 2vw, 24px);
}

.site-footer__trust {
  max-width: 52ch;
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 240, 230, .72);
}

.site-footer__heading {
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(245, 240, 230, .14);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}

.footer-nav-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 16px;
}

.footer-nav-list a {
  display: inline-block;
  padding: 6px 0;
  color: rgba(245, 240, 230, .82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}

.footer-nav-list a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.site-footer__contact p {
  margin-bottom: 6px;
  font-size: 14px;
  color: rgba(245, 240, 230, .74);
  overflow-wrap: anywhere;
}

.site-footer__contact .site-footer__email {
  font-family: var(--font-mono);
  color: var(--paper);
}

.site-footer__hours {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--green);
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 240, 230, .62);
}

.site-footer__legal a {
  padding: 6px 0;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}

.site-footer__legal a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

@media (max-width: 880px) {
  .asymmetric-grid {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }

  .site-footer__nav {
    grid-column: 1;
  }

  .site-footer__contact {
    grid-column: 2;
  }

  .site-footer__legal {
    grid-column: 1 / -1;
  }

  .site-footer__bottom {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .site-footer__brand,
  .site-footer__nav,
  .site-footer__contact,
  .site-footer__legal,
  .site-footer__bottom {
    grid-column: 1 / -1;
  }

  .site-footer__legal-label {
    margin-right: 0;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 4px;
  }
}

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

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .btn:hover,
  .card:hover,
  .site-brand:hover .site-brand__mark {
    transform: none;
    box-shadow: none;
  }
}