:root {
  --xfd-bg-deep: #0c1520;
  --xfd-bg-mid: #142636;
  --xfd-bg-card: rgba(22, 42, 58, 0.72);
  --xfd-accent: #e8a849;
  --xfd-accent-soft: rgba(232, 168, 73, 0.18);
  --xfd-teal: #3ecfb2;
  --xfd-teal-dim: rgba(62, 207, 178, 0.15);
  --xfd-text: #e8eef3;
  --xfd-text-muted: #9bb0c0;
  --xfd-border: rgba(255, 255, 255, 0.08);
  --xfd-glass: rgba(16, 32, 46, 0.65);
  --xfd-radius: 16px;
  --xfd-radius-sm: 10px;
  --xfd-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --xfd-font-display: "Sora", "Noto Sans SC", sans-serif;
  --xfd-font-body: "Noto Serif SC", "Georgia", serif;
  --xfd-max: 1120px;
  --xfd-nav-h: 58px;
  --xfd-dock-h: 88px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--xfd-font-body);
  background: var(--xfd-bg-deep);
  color: var(--xfd-text);
  line-height: 1.85;
  font-size: 16px;
  overflow-x: hidden;
}

body.xfd-dock-on { padding-top: var(--xfd-dock-h); }

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

a { color: var(--xfd-teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--xfd-accent); }

.xfd-wrap { width: min(var(--xfd-max), 92vw); margin: 0 auto; }

/* Header */
.xfd-header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--xfd-nav-h);
  background: var(--xfd-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--xfd-border);
  transition: box-shadow 0.3s;
}

.xfd-header.xfd-scrolled { box-shadow: var(--xfd-shadow); }

.xfd-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.xfd-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--xfd-font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--xfd-text);
}

.xfd-brand img { width: 34px; height: 34px; border-radius: 8px; }

.xfd-nav-list {
  display: flex;
  gap: 28px;
  list-style: none;
  font-family: var(--xfd-font-display);
  font-size: 0.9rem;
}

.xfd-nav-list a {
  color: var(--xfd-text-muted);
  font-weight: 500;
}

.xfd-nav-list a:hover,
.xfd-nav-list a.xfd-active { color: var(--xfd-accent); }

.xfd-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.xfd-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--xfd-text);
  transition: transform 0.3s, opacity 0.3s;
}

.xfd-burger.xfd-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.xfd-burger.xfd-open span:nth-child(2) { opacity: 0; }
.xfd-burger.xfd-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.xfd-mobile-nav {
  position: fixed;
  inset: var(--xfd-nav-h) 0 0 0;
  background: rgba(8, 16, 24, 0.96);
  backdrop-filter: blur(20px);
  z-index: 895;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 32px 24px;
  overflow-y: auto;
}

.xfd-mobile-nav.xfd-show { transform: translateX(0); }

.xfd-mobile-nav ul { list-style: none; }

.xfd-mobile-nav li { border-bottom: 1px solid var(--xfd-border); }

.xfd-mobile-nav a {
  display: block;
  padding: 16px 0;
  color: var(--xfd-text);
  font-family: var(--xfd-font-display);
  font-size: 1.05rem;
}

/* Float dock */
.xfd-dock {
  position: fixed;
  top: var(--xfd-nav-h);
  left: 0;
  right: 0;
  z-index: 880;
  background: rgba(10, 20, 30, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--xfd-border);
  padding: 8px 12px;
  transform: translateY(-110%);
  transition: transform 0.35s ease;
}

.xfd-dock.xfd-dock-show { transform: translateY(0); }

body.xfd-menu-open .xfd-dock {
  transform: translateY(-110%);
  pointer-events: none;
}

body.xfd-menu-open.xfd-dock-on {
  padding-top: 0;
}

.xfd-dock-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  max-width: 960px;
  margin: 0 auto;
}

.xfd-dock-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(12.5% - 6px);
  text-decoration: none;
}

.xfd-dock-cell img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s;
}

.xfd-dock-cell:hover img { transform: scale(1.06); }

.xfd-dock-cell em {
  font-style: normal;
  font-size: 10px;
  color: var(--xfd-text-muted);
  margin-top: 3px;
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Promo strip */
.xfd-promo-zone {
  background: linear-gradient(180deg, var(--xfd-bg-mid), transparent);
  padding: 12px 0 4px;
}

.xfd-promo-zone #ads {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.xfd-promo-zone #ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
}

.xfd-promo-zone #ads img {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  object-fit: cover;
}

.xfd-promo-zone .caption {
  font-size: 10px;
  color: var(--xfd-text-muted);
  margin-top: 4px;
  text-align: center;
}

/* Hero */
.xfd-hero {
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
}

.xfd-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.xfd-hero-orb-a {
  width: 420px;
  height: 420px;
  background: rgba(62, 207, 178, 0.12);
  top: -120px;
  right: -80px;
}

.xfd-hero-orb-b {
  width: 300px;
  height: 300px;
  background: rgba(232, 168, 73, 0.1);
  bottom: -60px;
  left: -60px;
}

.xfd-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
}

.xfd-hero-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--xfd-teal-dim);
  border: 1px solid rgba(62, 207, 178, 0.3);
  border-radius: 999px;
  font-family: var(--xfd-font-display);
  font-size: 0.78rem;
  color: var(--xfd-teal);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.xfd-hero h1 {
  font-family: var(--xfd-font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.35;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--xfd-text), var(--xfd-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.xfd-hero-lead {
  color: var(--xfd-text-muted);
  font-size: 1.02rem;
  margin-bottom: 24px;
}

.xfd-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.xfd-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: var(--xfd-radius-sm);
  font-family: var(--xfd-font-display);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.xfd-btn-outline {
  border: 1px solid var(--xfd-border);
  color: var(--xfd-text);
  background: transparent;
}

.xfd-btn-outline:hover {
  border-color: var(--xfd-teal);
  color: var(--xfd-teal);
  transform: translateY(-2px);
}

.xfd-btn-gold {
  background: linear-gradient(135deg, var(--xfd-accent), #d4922e);
  color: #1a1208;
  box-shadow: 0 6px 24px rgba(232, 168, 73, 0.35);
}

.xfd-btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(232, 168, 73, 0.45);
  color: #1a1208;
}

.xfd-hero-visual {
  position: relative;
}

.xfd-hero-visual img {
  border-radius: 24px;
  box-shadow: var(--xfd-shadow);
  border: 1px solid var(--xfd-border);
}

.xfd-hero-visual::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 28px;
  border: 1px solid rgba(62, 207, 178, 0.2);
  pointer-events: none;
}

/* Sections */
.xfd-section { padding: 56px 0; }

.xfd-section-alt {
  background: linear-gradient(180deg, transparent, rgba(20, 38, 54, 0.5), transparent);
}

.xfd-section-head {
  text-align: center;
  margin-bottom: 40px;
}

.xfd-section-head h2 {
  font-family: var(--xfd-font-display);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  margin-bottom: 10px;
}

.xfd-section-head p { color: var(--xfd-text-muted); max-width: 560px; margin: 0 auto; }

.xfd-prose h3 {
  font-family: var(--xfd-font-display);
  font-size: 1.15rem;
  margin: 28px 0 12px;
  color: var(--xfd-accent);
}

.xfd-prose p { margin-bottom: 16px; color: var(--xfd-text-muted); }

.xfd-prose ul, .xfd-prose ol {
  margin: 0 0 16px 24px;
  color: var(--xfd-text-muted);
}

.xfd-prose li { margin-bottom: 8px; }

/* Split layout */
.xfd-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.xfd-split-reverse .xfd-split-text { order: 2; }
.xfd-split-reverse .xfd-split-media { order: 1; }

.xfd-split-media img {
  border-radius: var(--xfd-radius);
  border: 1px solid var(--xfd-border);
  box-shadow: var(--xfd-shadow);
  background: #fff;
}

.xfd-hero-visual img {
  background: #fff;
}

/* Cards */
.xfd-card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.xfd-card {
  background: var(--xfd-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--xfd-border);
  border-radius: var(--xfd-radius);
  padding: 28px 24px;
  transition: transform 0.25s, border-color 0.25s;
}

.xfd-card:hover {
  transform: translateY(-4px);
  border-color: rgba(62, 207, 178, 0.25);
}

.xfd-card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
}

.xfd-card h3 {
  font-family: var(--xfd-font-display);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.xfd-card p { font-size: 0.92rem; color: var(--xfd-text-muted); }

/* Stats */
.xfd-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}

.xfd-stat {
  padding: 24px 16px;
  background: var(--xfd-accent-soft);
  border-radius: var(--xfd-radius);
  border: 1px solid rgba(232, 168, 73, 0.2);
}

.xfd-stat strong {
  display: block;
  font-family: var(--xfd-font-display);
  font-size: 1.6rem;
  color: var(--xfd-accent);
}

.xfd-stat span { font-size: 0.85rem; color: var(--xfd-text-muted); }

/* Timeline */
.xfd-timeline { position: relative; padding-left: 28px; }

.xfd-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--xfd-teal), var(--xfd-accent));
}

.xfd-timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding: 20px 24px;
  background: var(--xfd-bg-card);
  border-radius: var(--xfd-radius-sm);
  border: 1px solid var(--xfd-border);
}

.xfd-timeline-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--xfd-teal);
  box-shadow: 0 0 0 4px var(--xfd-teal-dim);
}

.xfd-timeline-item h3 {
  font-family: var(--xfd-font-display);
  font-size: 1rem;
  margin-bottom: 8px;
}

.xfd-timeline-item p { font-size: 0.92rem; color: var(--xfd-text-muted); }

/* FAQ */
.xfd-faq-item {
  border: 1px solid var(--xfd-border);
  border-radius: var(--xfd-radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
}

.xfd-faq-q {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  background: var(--xfd-bg-card);
  border: none;
  color: var(--xfd-text);
  font-family: var(--xfd-font-display);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.xfd-faq-q::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--xfd-teal);
  transition: transform 0.3s;
}

.xfd-faq-item.xfd-open .xfd-faq-q::after { transform: rotate(45deg); }

.xfd-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.xfd-faq-a-inner {
  padding: 0 20px 16px;
  color: var(--xfd-text-muted);
  font-size: 0.92rem;
}

.xfd-faq-item.xfd-open .xfd-faq-a { max-height: 400px; }

/* Breadcrumb */
.xfd-crumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--xfd-text-muted);
  font-family: var(--xfd-font-display);
}

.xfd-crumb a { color: var(--xfd-text-muted); }
.xfd-crumb a:hover { color: var(--xfd-teal); }

.xfd-crumb span { color: var(--xfd-accent); }

/* Legal page */
.xfd-legal { padding: 32px 0 64px; }

.xfd-legal h1 {
  font-family: var(--xfd-font-display);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  margin-bottom: 8px;
}

.xfd-legal-meta {
  color: var(--xfd-text-muted);
  font-size: 0.85rem;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--xfd-border);
}

.xfd-legal h2 {
  font-family: var(--xfd-font-display);
  font-size: 1.2rem;
  margin: 36px 0 14px;
  color: var(--xfd-teal);
}

.xfd-legal p, .xfd-legal li {
  color: var(--xfd-text-muted);
  margin-bottom: 14px;
}

.xfd-legal ul, .xfd-legal ol { margin-left: 24px; }

/* Error pages */
.xfd-error {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
}

.xfd-error-code {
  font-family: var(--xfd-font-display);
  font-size: 5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--xfd-teal), var(--xfd-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.xfd-error h1 {
  font-family: var(--xfd-font-display);
  font-size: 1.4rem;
  margin: 16px 0 10px;
}

.xfd-error p { color: var(--xfd-text-muted); margin-bottom: 24px; max-width: 420px; }

/* Footer */
.xfd-footer {
  background: rgba(8, 14, 22, 0.9);
  border-top: 1px solid var(--xfd-border);
  padding: 36px 0 28px;
  margin-top: 48px;
}

.xfd-footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
  margin-bottom: 20px;
  font-family: var(--xfd-font-display);
  font-size: 0.88rem;
}

.xfd-footer-nav a { color: var(--xfd-text-muted); }
.xfd-footer-nav a:hover { color: var(--xfd-accent); }

.xfd-footer-copy {
  text-align: center;
  font-size: 0.8rem;
  color: var(--xfd-text-muted);
}

/* Animations */
@keyframes xfdFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.xfd-animate { animation: xfdFadeUp 0.7s ease both; }

/* Asset gallery */
.xfd-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.xfd-gallery-item {
  background: var(--xfd-bg-card);
  border: 1px solid var(--xfd-border);
  border-radius: var(--xfd-radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
}

.xfd-gallery-item:hover {
  transform: translateY(-3px);
  border-color: rgba(62, 207, 178, 0.3);
}

.xfd-gallery-item img {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: contain;
  background: #fff;
}

.xfd-gallery-item figcaption {
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--xfd-text-muted);
  font-family: var(--xfd-font-display);
}

.xfd-gallery-icons {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.xfd-gallery-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.xfd-gallery-icon img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--xfd-bg-card);
  border: 1px solid var(--xfd-border);
  padding: 6px;
}

.xfd-gallery-icon span {
  font-size: 0.78rem;
  color: var(--xfd-text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .xfd-hero-grid,
  .xfd-split,
  .xfd-card-row { grid-template-columns: 1fr; }

  .xfd-split-reverse .xfd-split-text,
  .xfd-split-reverse .xfd-split-media { order: unset; }

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

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

  .xfd-nav-list { display: none; }
  .xfd-burger { display: flex; }

  .xfd-dock-cell { width: calc(20% - 6px); }
}

@media (max-width: 480px) {
  .xfd-stats { grid-template-columns: 1fr; }
  .xfd-gallery { grid-template-columns: 1fr; }
  .xfd-dock-cell img { width: 46px; height: 46px; }
}