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

:root {
  --color-deep: #0A1830;
  --color-deep-2: #1B3A5C;
  --color-orange: #FF6B35;
  --color-cyan: #00B4D8;
  --color-white: #E0E6ED;
  --color-ice: #B0C4DE;
  --color-amber: #FFD166;
  --color-green: #3C6E71;
  --color-silver: #F2F4F8;
  --font-headline: 'Rajdhani', 'DIN Alternate', 'Bahnschrift', 'Arial Narrow', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
  --sidebar-width: 280px;
  --header-h-mobile: 64px;
  --content-max: 1200px;
  --gutter: 24px;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
  --glow-cyan: 0 0 24px rgba(0, 180, 216, 0.25);
  --glow-orange: 0 0 24px rgba(255, 107, 53, 0.25);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========== Base ========== */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-deep);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-headline);
  color: var(--color-white);
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  padding-left: 20px;
}

li {
  margin-bottom: 4px;
}

blockquote {
  margin: 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--color-orange);
  color: var(--color-ice);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(0, 180, 216, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-cyan);
}

hr {
  border: none;
  border-top: 1px solid rgba(176, 196, 222, 0.15);
  margin: 48px 0;
}

::selection {
  background: var(--color-orange);
  color: var(--color-deep);
}

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

/* ========== Skip Link ========== */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  background: var(--color-orange);
  color: var(--color-deep);
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

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

/* ========== Main ========== */
#main-content {
  outline: none;
  min-height: 70vh;
  padding: 40px 0 80px;
  background:
    radial-gradient(ellipse at top right, rgba(0, 180, 216, 0.05), transparent 55%),
    var(--color-deep);
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 24, 48, 0.98);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 24px,
    rgba(176, 196, 222, 0.025) 24px,
    rgba(176, 196, 222, 0.025) 25px
  );
  pointer-events: none;
  z-index: 0;
}

.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-cyan));
  opacity: 0.45;
  z-index: 2;
}

.site-header__top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: var(--header-h-mobile);
  padding: 0 16px;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--color-orange);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.brand__mark-main {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--color-deep);
  transform: skewX(-6deg);
}

.brand__mark-dot {
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 8px;
  height: 8px;
  background: var(--color-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

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

.brand__name {
  display: block;
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.brand__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

/* Nav Toggle */
.nav-toggle {
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(176, 196, 222, 0.25);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  flex-shrink: 0;
}

.nav-toggle:hover {
  background: rgba(0, 180, 216, 0.1);
  border-color: rgba(0, 180, 216, 0.4);
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

/* Site Nav */
.site-nav {
  position: fixed;
  top: var(--header-h-mobile);
  bottom: 0;
  left: 0;
  width: min(320px, 86vw);
  z-index: 300;
  background: var(--color-deep);
  padding: 32px 20px 24px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(176, 196, 222, 0.12);
  transform: translateX(-110%);
  visibility: hidden;
  transition: transform 0.32s var(--ease), visibility 0s linear 0.32s;
  overflow-y: auto;
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.4);
}

.site-nav[data-open] {
  transform: translateX(0);
  visibility: visible;
  transition: transform 0.32s var(--ease), visibility 0s linear 0s;
}

.site-nav__caption {
  margin: 4px 0 16px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-cyan);
  opacity: 0.75;
}

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

.site-nav__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  color: var(--color-ice);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  border-left: 3px solid transparent;
  border-radius: 0 6px 6px 0;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, padding-left 0.22s ease;
}

.site-nav__link:hover {
  color: var(--color-white);
  background: rgba(0, 180, 216, 0.08);
  border-left-color: var(--color-cyan);
  padding-left: 20px;
}

.site-nav__link[aria-current="page"] {
  color: var(--color-white);
  background: linear-gradient(90deg, rgba(0, 180, 216, 0.12), rgba(0, 180, 216, 0.02));
  border-left-color: var(--color-orange);
  padding-left: 20px;
}

.site-nav__link[aria-current="page"] .site-nav__index {
  color: var(--color-orange);
}

.site-nav__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
  opacity: 0.85;
  transition: color 0.2s ease;
}

.site-nav__label {
  flex: 1;
}

.site-nav__meta {
  margin-top: auto;
  padding: 20px 4px 4px;
  border-top: 1px solid rgba(176, 196, 222, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(176, 196, 222, 0.6);
}

/* Nav Backdrop */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 8, 20, 0.55);
  z-index: 900;
  animation: fadeIn 0.22s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Page Progress */
.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 180, 216, 0.12);
  pointer-events: none;
  z-index: 1200;
}

.page-progress__fill {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-orange));
}

/* Back Top */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  width: 48px;
  height: 48px;
  border: none;
  background: var(--color-orange);
  color: var(--color-deep);
  cursor: pointer;
  z-index: 1500;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--color-cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

.back-top__arrow {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-left: 3px solid var(--color-deep);
  border-top: 3px solid var(--color-deep);
  transform: rotate(45deg);
  margin-top: 6px;
  transition: border-color 0.2s ease;
}

.back-top:hover .back-top__arrow {
  border-color: var(--color-deep);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-deep);
  border-top: 1px solid rgba(176, 196, 222, 0.1);
  padding: 56px 0 0;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-cyan));
  opacity: 0.5;
}

.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.site-footer__brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand--footer .brand__name {
  font-size: 22px;
}

.site-footer__desc {
  margin: 0;
  color: var(--color-ice);
  font-size: 14px;
  line-height: 1.8;
  max-width: 380px;
}

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

.site-footer__title {
  margin: 0 0 20px;
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  position: relative;
  padding-bottom: 10px;
}

.site-footer__title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--color-orange);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer__list a {
  color: var(--color-ice);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.site-footer__list a::before {
  content: '›';
  margin-right: 8px;
  color: var(--color-orange);
  font-family: var(--font-mono);
}

.site-footer__list a:hover {
  color: var(--color-orange);
  padding-left: 4px;
}

.site-footer__address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  color: var(--color-ice);
  font-size: 14px;
  line-height: 1.7;
}

.site-footer__address p {
  margin: 0;
}

.site-footer__bar {
  border-top: 1px solid rgba(176, 196, 222, 0.1);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(176, 196, 222, 0.6);
}

.site-footer__bar p {
  margin: 0;
}

/* ========== Desktop Sidebar Layout ========== */
@media (min-width: 1024px) {
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    border-right: 1px solid rgba(176, 196, 222, 0.12);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: var(--color-deep);
  }

  .site-header::before {
    inset: 0;
  }

  .site-header::after {
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    opacity: 0.55;
  }

  .site-header__top {
    height: auto;
    padding: 24px 20px;
    border-bottom: 1px solid rgba(176, 196, 222, 0.1);
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: relative;
    top: auto;
    bottom: auto;
    left: auto;
    width: auto;
    height: auto;
    padding: 32px 0 24px;
    background: transparent;
    border-right: none;
    transform: none;
    visibility: visible;
    transition: none;
    box-shadow: none;
    overflow-y: visible;
    z-index: 1;
    flex: 1;
  }

  .site-nav[data-open] {
    transform: none;
    visibility: visible;
  }

  .site-nav__caption {
    padding: 0 20px;
    margin-bottom: 16px;
  }

  .site-nav__list {
    gap: 2px;
  }

  .site-nav__link {
    padding: 14px 20px;
    font-size: 15px;
  }

  .site-nav__meta {
    padding: 20px;
  }

  #main-content {
    margin-left: var(--sidebar-width);
  }

  .site-footer {
    margin-left: var(--sidebar-width);
  }

  .page-progress {
    top: 0;
    bottom: 0;
    left: 0;
    right: auto;
    width: 3px;
    height: auto;
    background: rgba(0, 180, 216, 0.12);
  }

  .page-progress__fill {
    width: 100%;
    height: var(--progress, 0%);
    background: linear-gradient(180deg, var(--color-cyan), var(--color-orange));
  }
}

/* ========== Footer Responsive ========== */
@media (max-width: 1023px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

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

@media (max-width: 620px) {
  .site-footer {
    padding-top: 40px;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }

  .site-footer__brand-col {
    grid-column: auto;
  }

  .site-footer__bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .back-top {
    right: 16px;
    bottom: 16px;
  }
}

/* ========== Shared Components ========== */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: 72px 0;
  position: relative;
}

.section + .section {
  border-top: 1px solid rgba(176, 196, 222, 0.08);
}

.section-head {
  margin-bottom: 40px;
  max-width: 720px;
}

.section-eyebrow {
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.section-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--color-orange);
  flex-shrink: 0;
}

.section-title {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.section-title em {
  font-style: normal;
  color: var(--color-cyan);
}

.section-sub {
  margin-top: 12px;
  color: var(--color-ice);
  font-size: 15px;
  line-height: 1.8;
}

/* Prose */
.prose {
  color: var(--color-ice);
  font-size: 16px;
  line-height: 1.9;
}

.prose h2 {
  font-size: 28px;
  margin-top: 48px;
  margin-bottom: 16px;
}

.prose h3 {
  font-size: 22px;
  margin-top: 32px;
  margin-bottom: 12px;
}

.prose a {
  color: var(--color-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.prose a:hover {
  color: var(--color-orange);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border: 2px solid var(--color-orange);
  border-radius: 6px;
  background: transparent;
  color: var(--color-orange);
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
  background: var(--color-orange);
  color: var(--color-deep);
  box-shadow: var(--glow-orange);
}

.btn--primary {
  background: var(--color-orange);
  color: var(--color-deep);
  border-color: var(--color-orange);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-orange);
  box-shadow: none;
}

.btn--ghost {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.btn--ghost:hover {
  background: var(--color-cyan);
  color: var(--color-deep);
  border-color: var(--color-cyan);
  box-shadow: var(--glow-cyan);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 13px;
  border-width: 1px;
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}

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

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

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

@media (max-width: 900px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

/* Bento */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(120px, auto);
  gap: 16px;
}

.bento__cell {
  grid-column: span 4;
  grid-row: span 2;
}

.bento__cell--lg {
  grid-column: span 6;
  grid-row: span 3;
}

.bento__cell--wide {
  grid-column: span 8;
  grid-row: span 2;
}

.bento__cell--tall {
  grid-column: span 4;
  grid-row: span 4;
}

.bento__cell--full {
  grid-column: span 12;
}

@media (max-width: 900px) {
  .bento__cell,
  .bento__cell--lg,
  .bento__cell--wide,
  .bento__cell--tall {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}

/* Card */
.card {
  background: rgba(27, 58, 92, 0.5);
  border: 1px solid rgba(176, 196, 222, 0.12);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 180, 216, 0.4);
}

.card--flat {
  background: transparent;
}

.card--silver {
  background: var(--color-silver);
  color: var(--color-deep);
  border-color: transparent;
}

.card--silver .section-sub,
.card--silver .data-label,
.card--silver p {
  color: var(--color-deep);
}

.card--accent-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-cyan));
  opacity: 0.6;
}

/* Data display */
.data-label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ice);
}

.data-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-cyan);
  font-weight: 400;
}

.data-value--orange {
  color: var(--color-orange);
}

.data-value--amber {
  color: var(--color-amber);
}

/* Stat */
.stat {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: rgba(0, 180, 216, 0.06);
  border-left: 3px solid var(--color-cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.stat__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1.2;
  color: var(--color-cyan);
}

.stat__label {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--color-ice);
}

/* Tag */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-cyan);
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid rgba(0, 180, 216, 0.2);
}

.tag--amber {
  color: var(--color-amber);
  background: rgba(255, 209, 102, 0.08);
  border-color: rgba(255, 209, 102, 0.2);
}

.tag--orange {
  color: var(--color-orange);
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.2);
}

.tag--green {
  color: var(--color-green);
  background: rgba(60, 110, 113, 0.08);
  border-color: rgba(60, 110, 113, 0.2);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-ice);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.breadcrumb li + li::before {
  content: '/';
  color: rgba(176, 196, 222, 0.4);
}

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

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

.breadcrumb [aria-current="page"] {
  color: var(--color-white);
}

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  text-align: left;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cyan);
  padding: 12px 16px;
  border-bottom: 2px solid rgba(0, 180, 216, 0.3);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(176, 196, 222, 0.1);
  color: var(--color-white);
}

.data-table tr:hover td {
  background: rgba(0, 180, 216, 0.04);
}

@media (max-width: 620px) {
  .data-table {
    font-size: 13px;
  }

  .data-table th,
  .data-table td {
    padding: 10px 8px;
  }
}

/* Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion__item {
  background: rgba(27, 58, 92, 0.4);
  border: 1px solid rgba(176, 196, 222, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.accordion__item[data-open] {
  border-color: rgba(0, 180, 216, 0.5);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}

.accordion__trigger:hover {
  color: var(--color-cyan);
}

.accordion__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-cyan);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  transition: transform 0.25s ease, background 0.2s ease;
}

.accordion__item[data-open] .accordion__icon {
  transform: rotate(45deg);
  background: rgba(0, 180, 216, 0.1);
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion__panel-inner {
  padding: 0 20px 20px;
  color: var(--color-ice);
  font-size: 14px;
  line-height: 1.8;
}

/* Notice */
.notice {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-cyan);
  background: rgba(0, 180, 216, 0.06);
  border-radius: 0 6px 6px 0;
  color: var(--color-ice);
  font-size: 14px;
  line-height: 1.7;
}

.notice--orange {
  border-left-color: var(--color-orange);
  background: rgba(255, 107, 53, 0.06);
}

.notice--amber {
  border-left-color: var(--color-amber);
  background: rgba(255, 209, 102, 0.06);
}

.notice--green {
  border-left-color: var(--color-green);
  background: rgba(60, 110, 113, 0.06);
}

/* Media placeholder */
.media {
  position: relative;
  background: linear-gradient(135deg, rgba(27, 58, 92, 0.5), rgba(0, 180, 216, 0.07));
  border: 1px solid rgba(176, 196, 222, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}

.media::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 16px,
    rgba(176, 196, 222, 0.05) 16px,
    rgba(176, 196, 222, 0.05) 17px
  );
}

.media--landscape {
  aspect-ratio: 16 / 9;
}

.media--portrait {
  aspect-ratio: 3 / 4;
  min-height: 280px;
}

.media--arena {
  aspect-ratio: 21 / 9;
  min-height: 200px;
}

.media--pattern-dots {
  background-image: radial-gradient(rgba(0, 180, 216, 0.15) 1px, transparent 1px);
  background-size: 20px 20px;
}

.media__caption {
  position: absolute;
  bottom: 12px;
  left: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  background: rgba(10, 24, 48, 0.8);
  padding: 4px 10px;
  border-radius: 3px;
  z-index: 1;
}

/* Step list / timeline */
.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.step-list__item {
  position: relative;
  padding-left: 36px;
  padding-bottom: 28px;
}

.step-list__item:last-child {
  padding-bottom: 0;
}

.step-list__item::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: -4px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-orange), var(--color-cyan));
  opacity: 0.4;
}

.step-list__item:last-child::before {
  display: none;
}

.step-list__index {
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-orange);
  border-radius: 50%;
  background: var(--color-deep);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1;
  color: var(--color-orange);
}

.step-list__title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-white);
  margin: 0 0 4px;
}

.step-list__text {
  font-size: 14px;
  color: var(--color-ice);
  line-height: 1.7;
  margin: 0;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding: 72px 0;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero__title {
  margin: 0 0 24px;
  font-family: var(--font-headline);
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.hero__title em {
  font-style: normal;
  color: var(--color-cyan);
}

.hero__title .hero__title-accent {
  color: var(--color-orange);
}

.hero__lead {
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-ice);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__decoration {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.2), rgba(255, 107, 53, 0.2));
  clip-path: polygon(25% 0, 100% 0, 100% 75%, 75% 100%, 0 100%, 0 25%);
  opacity: 0.55;
  pointer-events: none;
}

@media (min-width: 1024px) {
  .hero {
    min-height: calc(100vh - 80px);
  }
}

/* ========== Reduced Motion ========== */
@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;
  }
}