/* ==========================================================
   8868在线官网 — Site Core CSS
   /assets/site.css
   01 Reset & Tokens | 02 Base | 03 Layout & Utilities
   04 Buttons & Badges | 05 Header | 06 Nav
   07 Footer | 08 Components | 09 Motion | 10 Responsive
   ========================================================== */

/* ---------- 01 Reset & Tokens ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-paper: #F5F2EB;
  --color-ink: #1A1A1A;
  --color-green: #1B5E20;
  --color-gold: #FFD700;
  --color-border: #E0E0E0;
  --color-white: #FFFFFF;
  --color-darkgreen: #0D3B0F;
  --color-orange: #E64A19;
  --color-lightgreen: #C8E6C9;
  --color-gray: #333333;

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, Georgia, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", Roboto, Arial, sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --header-width: 280px;
  --container-max: 1200px;
  --gutter: clamp(16px, 4vw, 48px);
  --radius: 2px;

  --shadow-sm: 0 1px 3px rgba(13, 59, 15, 0.08);
  --shadow-md: 0 6px 18px rgba(13, 59, 15, 0.10);
  --shadow-lg: 0 16px 40px rgba(13, 59, 15, 0.16);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 160ms;
  --t-base: 280ms;
  --t-slow: 520ms;

  --z-skip: 1300;
  --z-header: 1000;
  --z-drawer: 1100;
}

/* ---------- 02 Base ---------- */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-paper);
  background-image:
    linear-gradient(rgba(27, 94, 32, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 94, 32, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  padding-left: var(--header-width);
  min-height: 100vh;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-ink);
  margin-bottom: 0.5em;
  text-wrap: balance;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1em;
}

ul,
ol {
  padding-left: 1.25em;
  margin-bottom: 1em;
}

a {
  color: var(--color-green);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--color-darkgreen);
}

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

figure {
  margin: 0;
}

address {
  font-style: normal;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

::selection {
  background: var(--color-gold);
  color: var(--color-darkgreen);
}

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

.sr-only,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

/* ---------- 03 Layout & Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  width: 100%;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.section-head {
  margin-bottom: clamp(24px, 3vw, 40px);
  max-width: 720px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 10px;
}

.section-kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--color-gold);
  flex-shrink: 0;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 12px;
}

.section-desc {
  color: var(--color-gray);
  font-size: 0.9375rem;
}

.divider {
  border: none;
  height: 1px;
  background: var(--color-border);
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-gap-sm { gap: 12px; }
.grid-gap-lg { gap: 32px; }

.text-data {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.data-highlight {
  font-family: var(--font-mono);
  color: var(--color-green);
  font-weight: 600;
}

.text-muted {
  color: var(--color-gray);
  font-size: 0.875rem;
}

.text-center {
  text-align: center;
}

/* ---------- 04 Buttons & Badges ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--t-fast) var(--ease-standard),
    border-color var(--t-fast) var(--ease-standard),
    color var(--t-fast) var(--ease-standard),
    box-shadow var(--t-fast) var(--ease-standard),
    transform var(--t-fast) var(--ease-standard);
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-darkgreen);
  border-color: var(--color-darkgreen);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(27, 94, 32, 0.25);
  transform: translateY(-1px);
}

.btn-gold {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-darkgreen);
}

.btn-gold:hover {
  background-color: #FFE044;
  border-color: #FFE044;
  color: var(--color-darkgreen);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
}

.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-gray);
}

.btn-ghost:hover {
  background-color: rgba(27, 94, 32, 0.06);
  color: var(--color-green);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 0.9375rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 20px;
  white-space: nowrap;
  background: var(--color-lightgreen);
  color: var(--color-darkgreen);
}

.badge-gold {
  background: var(--color-gold);
  color: var(--color-darkgreen);
}

.badge-green {
  background: var(--color-green);
  color: var(--color-white);
}

.badge-orange {
  background: var(--color-orange);
  color: var(--color-white);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid var(--color-border);
  color: var(--color-gray);
  background: var(--color-white);
}

.tag-update {
  color: var(--color-orange);
  border-color: rgba(230, 74, 25, 0.35);
  background: rgba(230, 74, 25, 0.06);
}

.tag-hot {
  color: var(--color-green);
  border-color: rgba(27, 94, 32, 0.3);
  background: rgba(27, 94, 32, 0.05);
}

/* ---------- 05 Header ---------- */
.skip-link {
  position: fixed;
  top: 12px;
  left: calc(var(--header-width) + 12px);
  z-index: var(--z-skip);
  background: var(--color-gold);
  color: var(--color-darkgreen);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 10px 18px;
  text-decoration: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transform: translateY(-300%);
  transition: transform var(--t-base) var(--ease-standard);
}

.skip-link:focus {
  transform: translateY(0);
  text-decoration: none;
  color: var(--color-darkgreen);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--header-width);
  z-index: var(--z-header);
  display: flex;
  flex-direction: column;
  background-color: var(--color-darkgreen);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset -1px 0 0 rgba(255, 215, 0, 0.15);
  overflow-y: auto;
  overflow-x: hidden;
}

.header-inner {
  padding: 32px 24px 0;
  margin-bottom: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-gold);
  letter-spacing: -0.02em;
}

.brand-mark::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin-top: 8px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.04em;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.1em;
}

.header-ticker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 24px 24px;
  padding: 10px 14px;
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.18);
  border-radius: var(--radius);
}

.header-ticker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
  animation: ticker-pulse 2s ease-in-out infinite;
}

.header-ticker-text {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
}

/* ---------- 06 Nav ---------- */
.site-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 12px;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  transition:
    background-color var(--t-fast) var(--ease-standard),
    color var(--t-fast) var(--ease-standard),
    border-color var(--t-fast) var(--ease-standard);
}

.nav-link::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
  transition: background-color var(--t-fast) var(--ease-standard);
}

.nav-link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
  border-left-color: rgba(255, 215, 0, 0.5);
  text-decoration: none;
}

.nav-link:hover::before {
  background: var(--color-gold);
}

.nav-link[aria-current="page"] {
  color: var(--color-gold);
  background: rgba(255, 215, 0, 0.08);
  border-left-color: var(--color-gold);
  font-weight: 600;
}

.nav-link[aria-current="page"]::before {
  background: var(--color-gold);
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

.nav-actions {
  margin-top: auto;
  display: grid;
  gap: 8px;
  padding: 20px 8px 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-nav .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.site-nav .btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background-color: rgba(255, 215, 0, 0.08);
}

.site-nav .btn-primary {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-darkgreen);
}

.site-nav .btn-primary:hover {
  background-color: #FFE044;
  border-color: #FFE044;
  color: var(--color-darkgreen);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
}

.header-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.header-meta span {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.08em;
}

/* ---------- 07 Footer ---------- */
.site-footer {
  background-color: var(--color-darkgreen);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  color: rgba(255, 255, 255, 0.72);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), rgba(255, 215, 0, 0.15), transparent 70%);
}

.footer-frame {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(40px, 5vw, 64px) var(--gutter) 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-logo-mark {
  color: var(--color-gold);
  font-size: 1.75rem;
  margin-right: 2px;
}

.footer-about {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 12px;
}

.footer-trust {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.45);
  border-left: 2px solid var(--color-gold);
  padding-left: 12px;
  margin-bottom: 0;
}

.footer-head {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-standard), padding-left var(--t-fast) var(--ease-standard);
}

.footer-list a:hover {
  color: var(--color-gold);
  padding-left: 4px;
  text-decoration: none;
}

.footer-contact-list li {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.footer-contact-list li span {
  display: block;
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
}

.footer-bottom p {
  margin: 0;
}

.footer-icp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ---------- 08 Components ---------- */
.page-hero {
  padding: clamp(48px, 7vw, 80px) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 8px;
}

.page-desc {
  color: var(--color-gray);
  font-size: 1.0625rem;
  max-width: 640px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-gray);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--color-gold);
}

.breadcrumb-link {
  color: var(--color-green);
  text-decoration: none;
}

.breadcrumb-link:hover {
  text-decoration: underline;
}

.breadcrumb-item[aria-current="page"] {
  color: var(--color-ink);
  font-weight: 600;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-body {
  padding: 24px;
}

.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  background: rgba(245, 242, 235, 0.6);
}

.prose {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-gray);
}

.prose h2,
.prose h3,
.prose h4 {
  margin-top: 2em;
}

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

.prose ul,
.prose ol {
  margin-bottom: 1.4em;
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 12px 20px;
  border-left: 3px solid var(--color-gold);
  background: rgba(255, 215, 0, 0.06);
  color: var(--color-ink);
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: rgba(27, 94, 32, 0.06);
  padding: 2px 6px;
  border-radius: 3px;
}

.timeline {
  position: relative;
  padding-left: 28px;
  list-style: none;
  margin: 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--color-gold), var(--color-border));
}

.timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-green);
  border: 2px solid var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-paper);
}

.timeline-content {
  font-size: 0.9375rem;
}

.timeline-content .timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-green);
  display: block;
  margin-bottom: 4px;
}

.table-wrap {
  overflow-x: auto;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 560px;
}

.table-wrap th,
.table-wrap td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table-wrap th {
  background: var(--color-darkgreen);
  color: var(--color-white);
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
  font-size: 0.8125rem;
}

.table-wrap tr:last-child td {
  border-bottom: none;
}

.table-wrap tbody tr:hover {
  background: rgba(200, 230, 201, 0.3);
}

.img-ratio {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-border);
  aspect-ratio: 16 / 9;
}

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

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

.img-ratio-square {
  aspect-ratio: 1 / 1;
}

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

.top-link {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-darkgreen);
  color: var(--color-gold);
  border: 1px solid rgba(255, 215, 0, 0.4);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  font-size: 1.125rem;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease-standard), transform var(--t-base) var(--ease-standard);
}

.top-link:hover {
  transform: translateY(-3px);
  text-decoration: none;
  color: var(--color-gold);
}

.top-link.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- 09 Motion & Scroll Reveal ---------- */
@keyframes ticker-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.78);
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal="1"] { --reveal-delay: 80ms; }
[data-reveal="2"] { --reveal-delay: 160ms; }
[data-reveal="3"] { --reveal-delay: 240ms; }
[data-reveal="4"] { --reveal-delay: 320ms; }
[data-reveal="5"] { --reveal-delay: 400ms; }

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

body.nav-lock {
  overflow: hidden;
}

body.nav-lock::before {
  content: "";
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: calc(var(--z-header) - 20);
  animation: nav-scrim-fade 240ms ease;
}

@keyframes nav-scrim-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

  .header-ticker-dot {
    animation: none;
  }

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

/* ---------- 10 Responsive: Desktop / Mobile ---------- */
@media (min-width: 1024px) and (max-width: 1280px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
  }

  .footer-col:last-child {
    grid-column: span 3;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
  }
}

@media (max-width: 1023.98px) {
  body {
    padding-left: 0;
    background-size: 24px 24px;
  }

  .skip-link {
    left: 12px;
  }

  .site-header {
    position: sticky;
    top: 0;
    width: 100%;
    height: 64px;
    min-height: 64px;
    flex-direction: row;
    align-items: center;
    overflow: visible;
    border-right: none;
    border-bottom: 1px solid rgba(255, 215, 0, 0.35);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0 16px;
    margin: 0;
  }

  .brand {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .brand-mark {
    font-size: 1.625rem;
  }

  .brand-mark::after {
    display: none;
  }

  .brand-name {
    font-size: 0.9375rem;
  }

  .brand-tag {
    display: none;
  }

  .header-ticker {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    padding: 10px 8px;
    cursor: pointer;
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.8125rem;
  }

  .nav-toggle-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 22px;
  }

  .nav-toggle-line {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-gold);
    border-radius: 2px;
    transition:
      transform var(--t-base) var(--ease-standard),
      opacity var(--t-base) var(--ease-standard);
  }

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

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

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

  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: min(320px, 85vw);
    z-index: calc(var(--z-header) - 10);
    padding: 20px 16px 32px;
    background-color: var(--color-darkgreen);
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 24px 24px;
    box-shadow: var(--shadow-lg);
    transform: translateX(-105%);
    transition: transform var(--t-base) var(--ease-standard);
  }

  .site-nav[data-open] {
    transform: translateX(0);
  }

  .nav-actions {
    margin-top: auto;
    padding-bottom: 8px;
  }

  .header-meta {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 639.98px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.625rem;
  }
}