/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-muted);
  background-color: var(--bg-primary);
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  overflow-x: hidden;
}
ul,
ol {
  list-style: none;
}
a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
/* ===== Theme Variables ===== */
:root {
  --bg-primary: #0B1D3A;
  --bg-secondary: #0D2A4A;
  --bg-panel: rgba(11, 29, 58, 0.85);
  --accent-green: #39FF14;
  --accent-orange: #FF6B35;
  --support-gray: #6B7B8C;
  --support-green: #8A9A5B;
  --support-clay: #C87A52;
  --text-light: #F5F0E6;
  --text-muted: #D0D0D0;
  --text-white: #FFFFFF;
  --border-color: rgba(107, 123, 140, 0.4);
  --glow-green: 0 0 20px rgba(57, 255, 20, 0.4);
  --glow-orange: 0 0 20px rgba(255, 107, 53, 0.4);
  --font-display: 'Archivo Black', 'Noto Sans SC Black', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1280px;
}
/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 0.5em;
}
.mono,
b.mono,
span.mono,
p.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: 0.02em;
}
/* ===== Layout Primitives ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}
/* ===== Skip Link ===== */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 2000;
  background: var(--accent-green);
  color: var(--bg-primary);
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.9rem;
  clip-path: inset(50%);
  transition: top var(--transition), clip-path var(--transition);
}
.skip-link:focus {
  top: 16px;
  clip-path: inset(0 0 0 0);
}
/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  width: 100%;
  padding-inline: 16px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin-inline: auto;
  padding: 10px 16px;
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 12px;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-white);
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.brand-slogan {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  line-height: 1.2;
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.9rem;
  color: var(--text-muted);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--accent-green);
  background: rgba(57, 255, 20, 0.1);
}
.nav-link[aria-current="page"] {
  background: var(--accent-green);
  color: var(--bg-primary);
  font-weight: 700;
  box-shadow: var(--glow-green);
}
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  padding: 10px 20px;
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav-toggle:hover {
  border-color: var(--accent-green);
  box-shadow: var(--glow-green);
}
.nav-toggle-icon {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--accent-green);
  position: relative;
  transition: background var(--transition);
}
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-green);
  transition: transform var(--transition);
}
.nav-toggle-icon::before {
  top: -5px;
}
.nav-toggle-icon::after {
  top: 5px;
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}
/* ===== Footer ===== */
.site-footer {
  margin-top: 80px;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border-color);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
  opacity: 0.8;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-block: 56px 40px;
}
.footer-brand .footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-white);
  margin-bottom: 8px;
}
.footer-brand .footer-slogan {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 28em;
  padding-right: 16px;
}
.footer-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-green);
  margin-bottom: 16px;
}
.footer-links ul li {
  margin-bottom: 12px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent-orange);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.footer-service {
  font-size: 0.85rem;
  color: var(--support-gray);
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}
.footer-bottom {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--border-color);
  padding-block: 16px;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--support-gray);
}
/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--accent-green);
  color: var(--bg-primary);
  box-shadow: var(--glow-green);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 0 32px rgba(57, 255, 20, 0.7);
  transform: translateY(-2px);
}
.btn-outline {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: transparent;
}
.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(57, 255, 20, 0.1);
  box-shadow: var(--glow-green);
}
/* ===== Breadcrumbs ===== */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 24px 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--support-gray);
}
.breadcrumbs a {
  color: var(--accent-green);
}
.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  text-decoration: underline;
}
.breadcrumbs .sep {
  color: var(--support-gray);
}
/* ===== Section Tag ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-orange);
  margin-bottom: 16px;
}
.section-tag::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-orange);
  box-shadow: var(--glow-orange);
}
/* ===== Panel Stack ===== */
.panel-stack {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.panel-stack > * {
  background: rgba(13, 42, 74, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.panel-stack > *:hover {
  border-color: var(--accent-green);
  box-shadow: var(--glow-green);
}
/* ===== Data Grid & Cards ===== */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.data-card {
  background: linear-gradient(145deg, rgba(11, 29, 58, 0.9), rgba(13, 42, 74, 0.8));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.data-card::after {
  content: ">";
  position: absolute;
  bottom: 8px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-green);
  opacity: 0.2;
}
.data-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-4px);
  box-shadow: var(--glow-green);
}
.data-card-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.data-card-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text-white);
  line-height: 1.2;
}
.data-card-value.highlight {
  color: var(--accent-green);
}
.data-card-desc {
  font-size: 0.85rem;
  color: var(--support-gray);
  margin-top: 8px;
}
/* ===== Data Float ===== */
.data-float {
  background: rgba(11, 29, 58, 0.8);
  border: 1px solid var(--accent-orange);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-white);
  box-shadow: var(--glow-orange);
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}
.data-float .float-label {
  font-size: 0.7rem;
  color: var(--accent-orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.data-float .float-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-white);
}
/* ===== Image Frame ===== */
.img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  border: 1px solid var(--border-color);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-frame::before {
  content: "DATA VISUAL";
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--support-gray);
  background: rgba(11, 29, 58, 0.6);
  padding: 6px 12px;
  border: 1px dashed var(--support-gray);
  border-radius: 100px;
}
/* ===== Breadcrumb & Scroll Progress ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
  z-index: 9999;
  transition: width 0.1s linear;
}
/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--accent-green);
  background: var(--bg-secondary);
  color: var(--accent-green);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), box-shadow var(--transition), transform var(--transition);
}
.back-to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  box-shadow: var(--glow-green);
  transform: translateY(-4px);
}
/* ===== Focus Visible ===== */
:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 4px;
  border-radius: 4px;
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .header-inner {
    border-radius: 24px;
    padding: 12px 16px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 8px;
    opacity: 0;
    transform: translateY(-16px);
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .main-nav[data-open="true"] {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-link {
    display: block;
    text-align: center;
    padding: 12px 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 480px) {
  .header-inner {
    padding: 12px;
  }
  .brand-name {
    font-size: 1rem;
  }
  .brand-slogan {
    font-size: 0.5rem;
  }
  .nav-toggle-text {
    display: none;
  }
  .panel-stack > * {
    padding: 20px;
  }
}
/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}