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

:root {
  --color-bg: #0A1E3C;
  --color-primary: #FF6B1A;
  --color-gold: #FFD700;
  --color-text: #E6E9F0;
  --color-muted: #8A94A6;
  --color-success: #00C853;
  --color-glass: rgba(255, 255, 255, 0.08);
  --gradient-hero: linear-gradient(135deg, #0A1E3C, #1B3A6B);
  --font-heading: "Bebas Neue", "Impact", sans-serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;
  --header-width: 300px;
  --transition: 0.3s ease;
  --z-header: 100;
  --z-skip: 1000;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  margin-left: var(--header-width);
  min-height: 100vh;
  overflow-x: hidden;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

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

/* Accessibility */
.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: 0;
  left: -9999px;
  z-index: var(--z-skip);
  padding: 0.75rem 1.25rem;
  background: var(--color-gold);
  color: var(--color-bg);
  font-weight: 700;
  border-radius: 0 0 0.25rem 0;
}

.skip-link:focus-visible {
  left: 0;
}

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

/* Layout */
#main-content {
  min-height: 80vh;
  padding: 2rem 1.5rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border-radius: 0.25rem;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.875rem;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-bg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1.25rem rgba(255, 107, 26, 0.35);
}

.button--primary {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--header-width);
  z-index: var(--z-header);
  display: flex;
  flex-direction: column;
}

.site-header__bar {
  display: none;
}

.site-header__panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 2rem 1.5rem;
  background: linear-gradient(160deg, #0A1E3C 0%, #142B4F 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  overflow-y: auto;
  position: relative;
}

.site-header__panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0.375rem;
  height: 40%;
  background: linear-gradient(180deg, var(--color-primary), transparent);
}

.site-header__brand {
  margin-bottom: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: none;
}

.brand:hover {
  color: inherit;
}

.brand__logo {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  line-height: 1;
  font-weight: 700;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand__text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  font-weight: 400;
}

.site-header__slogan {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-left: 0.25rem solid var(--color-primary);
  padding-left: 0.5rem;
}

.site-nav {
  margin-top: 1rem;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-nav__list a {
  display: block;
  padding: 0.75rem 0.5rem;
  border-left: 0.25rem solid transparent;
  border-radius: 0.25rem;
  color: var(--color-text);
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-nav__list a:hover {
  background: var(--color-glass);
  color: var(--color-gold);
  border-left-color: var(--color-primary);
}

.site-nav__list a[aria-current="page"] {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: rgba(255, 107, 26, 0.12);
}

.site-header__meta {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header__trust {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* Navigation Toggle (mobile) */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle__line {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-text);
  margin: 0.25rem 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Footer */
.site-footer {
  background: #07162B;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem 1.5rem 1.5rem;
  margin-left: var(--header-width);
}

.site-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 2rem;
}

.site-footer__brand .brand__text {
  font-size: 1.5rem;
}

.site-footer__slogan {
  margin-top: 0.5rem;
  color: var(--color-gold);
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
}

.site-footer__trust {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 32rem;
}

.site-footer__heading {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.site-footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer__nav a {
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-bottom-color 0.2s ease;
}

.site-footer__nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.site-footer__contact-list {
  font-size: 0.875rem;
  color: var(--color-muted);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer__legal {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* Common Components */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 60ch;
}

.card {
  background: var(--color-glass);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.shortcard-group {
  display: grid;
  gap: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

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

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

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

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

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-muted);
}

.image-container {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, rgba(27, 58, 107, 0.8), rgba(255, 107, 26, 0.3));
  min-height: 220px;
}

.image-container::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -20%;
  width: 60%;
  height: 120%;
  background: repeating-linear-gradient(45deg, transparent, transparent 8px, rgba(255, 215, 0, 0.12) 8px, rgba(255, 215, 0, 0.12) 12px);
  transform: skewX(-12deg);
}

/* Reveal on scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 1023px) {
  body {
    margin-left: 0;
  }

  .site-footer {
    margin-left: 0;
  }

  .site-header {
    width: 320px;
    max-width: 85vw;
    pointer-events: none;
  }

  .site-header__bar {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3.5rem;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    background: rgba(10, 30, 60, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: auto;
    z-index: 20;
  }

  .site-header__panel {
    padding-top: 4.5rem;
    transform: translateX(-100%);
    transition: transform 0.35s ease;
    pointer-events: auto;
  }

  .site-header[data-open="true"] .site-header__panel {
    transform: translateX(0);
  }

  .nav-toggle {
    display: block;
    pointer-events: auto;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
    transform: translateY(0.5rem) 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(-0.5rem) rotate(-45deg);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 767px) {
  #main-content {
    padding: 1.25rem;
  }

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

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

  .site-footer__legal {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@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;
  }

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

  .site-header__panel {
    transition: none;
  }
}