:root {
  --green-deep: #0B3D2E;
  --green-deep-2: #0D4A38;
  --gold: #D4A017;
  --red-alert: #8B0000;
  --green-support: #2E8B57;
  --paper: #F5F0E1;
  --ink: #1A1A1A;
  --slate: #5C5C5C;
  --data-green: #00C853;
  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", system-ui, sans-serif;
  --font-data: "Roboto Mono", "Courier New", monospace;
  --header-h: 4.5rem;
  --container-w: 1480px;
  --gutter: clamp(1rem, 3vw, 2.5rem);
  --section-space: clamp(4rem, 9vw, 7rem);
  --line-faint: rgba(11,61,46,0.12);
  --line-gold: rgba(212,160,23,0.35);
  --shadow-card: 0 12px 30px rgba(11,61,46,0.12);
  --shadow-deep: 0 18px 50px rgba(0,0,0,0.28);
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
}

h1, h2, h3, h4, p, figure {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding-left: 1.2rem;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
}

a {
  color: var(--green-deep);
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -120px;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.2rem;
  background: var(--gold);
  color: var(--green-deep);
  text-decoration: none;
  font-weight: 700;
  transition: top 0.25s ease;
}

.skip-link:focus {
  top: 1rem;
}

#main-content {
  display: block;
  min-height: 70vh;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 200;
  display: flex;
  align-items: stretch;
  background: linear-gradient(180deg, rgba(11,61,46,0.9), rgba(11,61,46,0.55));
  border-bottom: 1px solid rgba(245,240,225,0.16);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: var(--green-deep);
  box-shadow: var(--shadow-deep);
  border-bottom-color: var(--line-gold);
}

.site-header__inner {
  width: min(100%, var(--container-w));
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.progress-line {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--green-support) 70%, var(--data-green));
  z-index: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--paper);
}

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

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--gold);
  color: var(--green-deep);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.8rem;
  transform: skewX(-12deg);
}

.brand__text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.brand__text small {
  font-family: var(--font-data);
  font-size: 0.62rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-top: 0.15rem;
}

.primary-nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: clamp(1rem, 2.2vw, 2rem);
}

.nav-link {
  position: relative;
  display: block;
  padding: 0.4rem 0;
  color: rgba(245,240,225,0.88);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 600;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  transition: width 0.25s ease;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--gold);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(245,240,225,0.25);
  cursor: pointer;
}

.nav-toggle__box,
.nav-toggle__box::before,
.nav-toggle__box::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--gold);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle__box {
  position: relative;
}

.nav-toggle__box::before,
.nav-toggle__box::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__box::before {
  top: -6px;
}

.nav-toggle__box::after {
  bottom: -6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.site-footer {
  margin-top: auto;
  background: var(--green-deep);
  color: rgba(245,240,225,0.8);
}

.site-footer__main {
  width: min(100%, var(--container-w));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.8fr) minmax(0, 1fr);
  gap: calc(var(--gutter) * 1.5) var(--gutter);
  padding: calc(var(--gutter) * 2) var(--gutter);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
}

.site-footer a {
  color: rgba(245,240,225,0.82);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--gold);
}

.brand--footer .brand__text small {
  color: var(--green-support);
}

.site-footer__statement {
  max-width: 38rem;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.site-footer__group {
  display: grid;
  align-content: start;
}

.footer-heading {
  margin: 0 0 1rem;
  padding: 0.25rem 0 0.25rem 0.6rem;
  border-left: 3px solid var(--gold);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-list {
  display: grid;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-contact {
  font-size: 0.9rem;
  line-height: 1.9;
  margin: 0;
}

.site-footer__bottom {
  width: min(100%, var(--container-w));
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(245,240,225,0.14);
  padding: 1rem var(--gutter);
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: rgba(245,240,225,0.55);
}

.scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  width: 3rem;
  height: 3rem;
  border: none;
  background: var(--gold);
  color: var(--green-deep);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.scroll-top:hover {
  background: var(--green-deep);
  color: var(--gold);
  border: 1px solid var(--gold);
}

.page-shell {
  width: min(100%, var(--container-w));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

#main-content > .page-shell:first-child {
  margin-top: calc(var(--header-h) + 2rem);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(2rem, 6vw, 4rem));
  padding-bottom: clamp(2rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--green-deep) 0%, #0C2F24 65%, #123F2E 100%);
  color: var(--paper);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 20%, rgba(212,160,23,0.18), transparent 60%);
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--container-w));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-hero__kicker {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 0.25rem;
  margin-bottom: 1rem;
}

.page-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 8vw, 8rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.page-hero__lead {
  max-width: 42rem;
  margin-top: 1rem;
  font-size: 1.1rem;
  color: rgba(245,240,225,0.8);
}

.section {
  padding-block: var(--section-space);
}

.section--dark {
  background: linear-gradient(120deg, var(--green-deep), #0D4433);
  color: var(--paper);
}

.section--tinted {
  background: rgba(11,61,46,0.04);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-title {
  margin: 0.3rem 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.section-title--light {
  color: var(--paper);
}

.lead {
  font-size: 1.1rem;
  color: var(--slate);
  max-width: 42rem;
}

.section--dark .lead {
  color: rgba(245,240,225,0.75);
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line-faint);
  box-shadow: var(--shadow-card);
  padding: clamp(1rem, 3vw, 2rem);
}

.panel--dark {
  background: var(--green-deep);
  color: var(--paper);
}

.grid {
  display: grid;
  gap: var(--gutter);
}

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

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--index {
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: start;
}

.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-faint);
  border-top: 3px solid var(--gold);
  padding: 1.5rem;
  box-shadow: 0 4px 0 rgba(11,61,46,0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.1;
  text-transform: uppercase;
}

.card__meta {
  display: block;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--slate);
  margin-bottom: 0.5rem;
}

.card__thumb {
  margin: -1.5rem -1.5rem 1.25rem;
}

.card__thumb .img-frame {
  aspect-ratio: 3 / 2;
  border: 0;
}

.file-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-faint);
  box-shadow: 4px 4px 0 rgba(11,61,46,0.08);
  padding: 0;
  margin-top: 1.6rem;
}

.file-card__tab {
  position: absolute;
  top: -1.4rem;
  left: 0;
  z-index: 1;
  display: inline-block;
  padding: 0.35rem 1rem 0.25rem;
  background: var(--green-deep);
  color: var(--gold);
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.file-card__tab::after {
  content: "";
  position: absolute;
  top: 0;
  right: -0.65rem;
  width: 0;
  height: 0;
  border-bottom: 1.4rem solid var(--green-deep);
  border-right: 0.65rem solid transparent;
}

.file-card__body {
  padding: 1.5rem;
}

.file-card__rule {
  height: 1px;
  margin: 1rem 0;
  background: repeating-linear-gradient(90deg, rgba(11,61,46,0.3) 0 8px, transparent 8px 16px);
  border: none;
}

.data-number {
  font-family: var(--font-data);
  font-size: 1.15em;
  color: var(--data-green);
}

.mono {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--slate);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  background: var(--green-support);
  color: var(--paper);
  font-family: var(--font-data);
  font-size: 0.72rem;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-left: 2px solid var(--gold);
}

.badge--alert {
  background: var(--red-alert);
  color: #fff;
}

.live-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-data);
  font-size: 0.7rem;
  background: var(--red-alert);
  color: #fff;
  padding: 0.2rem 0.5rem;
  text-transform: uppercase;
}

.live-tag::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--gold);
  border-radius: 50%;
  animation: live-pulse 1.2s infinite;
}

@keyframes live-pulse {
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

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

.stat-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed rgba(11,61,46,0.2);
  font-size: 0.9rem;
}

.stat-line__value {
  font-family: var(--font-data);
  color: var(--data-green);
  font-weight: 700;
}

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

.index-nav__item {
  border-bottom: 1px solid var(--line-faint);
}

.index-nav__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0.2rem;
  color: var(--green-deep);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  transition: padding-left 0.2s ease, color 0.2s ease;
}

.index-nav__link:hover {
  padding-left: 0.5rem;
  color: var(--gold);
}

.index-nav__num {
  font-family: var(--font-data);
  color: var(--gold);
}

.chapter-index {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  max-height: calc(100vh - var(--header-h) - 3rem);
  overflow: auto;
}

.chapter-index__title {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate);
  border-bottom: 1px solid var(--line-faint);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.chapter-index__link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid rgba(11,61,46,0.12);
  font-size: 0.9rem;
}

.chapter-index__link:hover {
  color: var(--gold);
  border-left-color: var(--gold);
}

.chapter-index__link.is-active {
  background: rgba(212,160,23,0.12);
  border-left-color: var(--gold);
  color: var(--green-deep);
  font-weight: 600;
}

.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--green-deep);
  border: 1px solid var(--line-gold);
}

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

.img-frame--3x2 {
  aspect-ratio: 3 / 2;
}

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

.img-frame--21x9 {
  aspect-ratio: 21 / 9;
}

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

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255,255,255,0.08) 0%, transparent 35%);
  pointer-events: none;
}

.img-frame__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--gold);
  font-family: var(--font-data);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: repeating-linear-gradient(-45deg, rgba(212,160,23,0.12) 0 2px, transparent 2px 14px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gold);
  color: var(--green-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid var(--gold);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
  background: transparent;
  color: var(--gold);
}

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

.btn--dark:hover {
  background: transparent;
  color: var(--green-deep);
}

.btn--outline {
  background: transparent;
  border-color: var(--green-deep);
  color: var(--green-deep);
}

.btn--outline:hover {
  background: var(--green-deep);
  color: var(--paper);
}

.btn--light {
  background: transparent;
  border-color: var(--paper);
  color: var(--paper);
}

.btn--light:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--green-deep);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--gold);
}

.breadcrumb a {
  color: var(--slate);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb [aria-current="page"] {
  color: var(--green-deep);
  font-weight: 700;
}

.deco-line {
  height: 4px;
  border: none;
  background: linear-gradient(90deg, var(--gold) 0%, var(--green-support) 50%, var(--red-alert) 100%);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (max-width: 1020px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--green-deep);
    padding: 2rem var(--gutter);
    overflow: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }

  .primary-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link {
    font-size: 1.2rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(245,240,225,0.1);
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .grid--index {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .site-footer__main {
    grid-template-columns: 1fr;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .scroll-top {
    right: 0.75rem;
    bottom: 0.75rem;
    width: 2.75rem;
    height: 2.75rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .live-tag::before {
    animation: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}