/* ======================== RESET & BASE ======================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --bg-primary: #0A0B0F;
  --bg-secondary: #0C0D12;
  --bg-card: #0F1014;
  --bg-card-dark: #101019;
  --gold: #C9A961;
  --gold-dim: rgba(201, 169, 97, 0.12);
  --gold-border: rgba(201, 169, 97, 0.25);
  --blue: #5B8DEF;
  --blue-dim: rgba(91, 141, 239, 0.1);
  --blue-border: rgba(91, 141, 239, 0.2);
  --text-primary: #F0F0F5;
  --text-secondary: #9B9BA8;
  --text-muted: #6B6B7B;
  --border: #262630;
  --border-subtle: #1F2024;
  --bg-footer: #070709;

  /* Fonts */
  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SF Mono", "Fira Code", monospace;
}

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

body {
  font-family: var(--font-cn);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 64px;
}

/* ======================== HEADER ======================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(10, 11, 15, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: 100%;
  padding: 0 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  text-decoration: none;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 4px;
}

.footer .logo-img {
  height: 44px;
}

.nav {
  display: flex;
  gap: 36px;
}

.nav a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card-dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-cn);
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.lang-btn.active {
  color: var(--gold);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-divider {
  color: #3A3A44;
  font-size: 11px;
  font-family: var(--font-en);
}

.btn-contact {
  background: var(--gold);
  color: var(--bg-primary) !important;
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 500;
  transition: opacity 0.2s;
}

.btn-contact:hover {
  opacity: 0.9;
  color: var(--bg-primary);
}

/* ======================== HERO ======================== */
.hero {
  position: relative;
  height: 720px;
  display: flex;
  align-items: center;
  padding: 0 64px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse 50% 40% at 30% 50%, rgba(201, 169, 97, 0.12), transparent 60%);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse 40% 35% at 70% 60%, rgba(91, 141, 239, 0.06), transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 680px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold-dim);
  border: 1px solid rgba(201, 169, 97, 0.3);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--gold);
  width: fit-content;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-headline {
  font-size: 52px;
  font-weight: 700;
  line-height: 64px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 16px;
  line-height: 28px;
  color: var(--text-secondary);
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 16px;
}

.btn-primary {
  background: var(--gold);
  color: var(--bg-primary) !important;
  font-size: 14px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
  color: var(--bg-primary);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 14px;
  padding: 13px 28px;
  border-radius: 8px;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.trust-indicators {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 12px;
  color: var(--text-muted);
}

.ti-dot {
  color: #3A3A44;
}

/* ======================== HERO VISUAL ======================== */
.hero-visual {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
}

.hv-center-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.25), transparent 70%);
}

.hv-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid;
}

.hv-orbit-1 {
  width: 360px;
  height: 360px;
  border-color: rgba(201, 169, 97, 0.15);
}

.hv-orbit-2 {
  width: 280px;
  height: 280px;
  border-color: rgba(201, 169, 97, 0.1);
}

.hv-center-node {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #C9A961, #8F7342);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 13px;
  color: var(--bg-primary);
  z-index: 3;
  animation: nodePulse 3s ease-in-out infinite;
}

@keyframes nodePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 169, 97, 0.3); }
  50% { box-shadow: 0 0 30px 8px rgba(201, 169, 97, 0.15); }
}

.hv-node {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  z-index: 2;
}

.hv-node::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.hv-node.gold {
  background: rgba(201, 169, 97, 0.12);
  border: 1px solid rgba(201, 169, 97, 0.5);
}
.hv-node.gold::after { background: var(--gold); }

.hv-node.blue {
  background: rgba(91, 141, 239, 0.12);
  border: 1px solid rgba(91, 141, 239, 0.4);
}
.hv-node.blue::after { background: var(--blue); }

/* Node positions */
.hv-node-1 { top: 20px; left: 248px; }
.hv-node-2 { top: 130px; left: 20px; }
.hv-node-3 { top: 130px; left: 452px; }
.hv-node-4 { top: 452px; left: 248px; }
.hv-node-5 { top: 340px; left: 20px; }
.hv-node-6 { top: 340px; left: 452px; }

/* Connecting lines */
.hv-line {
  position: absolute;
  height: 1px;
  z-index: 1;
}

.hv-line-1 { top: 68px; left: 268px; width: 80px; transform: rotate(45deg); background: var(--gold); }
.hv-line-2 { top: 168px; left: 60px; width: 100px; transform: rotate(-30deg); background: var(--gold); }
.hv-line-3 { top: 168px; left: 370px; width: 100px; transform: rotate(30deg); background: var(--blue); }
.hv-line-4 { top: 450px; left: 268px; width: 80px; transform: rotate(-45deg); background: var(--blue); }
.hv-line-5 { top: 350px; left: 60px; width: 100px; transform: rotate(30deg); background: var(--gold); }
.hv-line-6 { top: 350px; left: 370px; width: 100px; transform: rotate(-30deg); background: var(--blue); }

/* Floating stat cards */
.hv-stat-card {
  position: absolute;
  width: 180px;
  height: 80px;
  background: rgba(13, 13, 18, 0.8);
  border-radius: 8px;
  border: 1px solid;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  z-index: 4;
  backdrop-filter: blur(8px);
}

.hv-stat-1 {
  top: 80px;
  left: 310px;
  border-color: rgba(201, 169, 97, 0.2);
}

.hv-stat-2 {
  top: 400px;
  left: 30px;
  border-color: rgba(91, 141, 239, 0.2);
}

.hv-stat-label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
}

.hv-stat-value {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
}

/* ======================== SECTION COMMON ======================== */
section {
  padding: 100px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.label-line {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 44px;
  margin-bottom: 16px;
}

.section-title-lg {
  font-size: 38px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 48px;
  margin-bottom: 24px;
}

.section-sub {
  font-size: 15px;
  line-height: 26px;
  color: var(--text-secondary);
  max-width: 680px;
}

.section-desc {
  font-size: 15px;
  line-height: 28px;
  color: var(--text-secondary);
}

.section-header {
  margin-bottom: 48px;
}

/* ======================== ABOUT ======================== */
.about {
  background: var(--bg-secondary);
}

.about-top {
  display: flex;
  gap: 80px;
  align-items: center;
  margin-bottom: 60px;
}

.about-left {
  width: 520px;
  flex-shrink: 0;
}

.about-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-row {
  display: flex;
  gap: 16px;
}

.stat-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 140px;
}

.stat-card-gold {
  background: rgba(201, 169, 97, 0.08);
  border-color: rgba(201, 169, 97, 0.25);
}

.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 36px;
}

.stat-num.gold {
  color: var(--gold);
  font-family: var(--font-en);
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Parent Company */
.parent-company {
  background: linear-gradient(135deg, var(--bg-card-dark), var(--bg-secondary));
  border: 1px solid rgba(201, 169, 97, 0.15);
  border-radius: 12px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.pc-header-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pc-header-left h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 36px;
}

.pc-header-left p {
  font-size: 14px;
  line-height: 24px;
  color: var(--text-secondary);
}

.pc-badge {
  width: 260px;
  flex-shrink: 0;
  background: var(--gold-dim);
  border: 1px solid rgba(201, 169, 97, 0.2);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pc-badge-title {
  font-size: 13px;
  color: var(--gold);
}

.pc-badge-highlight {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.pc-badge-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.cred-cards {
  display: flex;
  gap: 16px;
}

.cred-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cred-num {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
}

.cred-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.cred-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.cred-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.team-bg {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(201, 169, 97, 0.06);
  border: 1px solid rgba(201, 169, 97, 0.15);
  border-radius: 10px;
  padding: 20px;
}

.team-icon {
  width: 36px;
  height: 36px;
  background: rgba(201, 169, 97, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
}

.team-bg p {
  font-size: 13px;
  line-height: 22px;
  color: #B0B0BC;
}

/* ======================== BLOCKCHAIN ======================== */
.blockchain {
  background: var(--bg-primary);
}

.bc-content {
  display: flex;
  gap: 24px;
}

.bc-main-card {
  flex: 1;
  background: linear-gradient(135deg, var(--bg-card-dark), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.bc-main-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.bc-main-card > p {
  font-size: 14px;
  line-height: 24px;
  color: var(--text-secondary);
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #B0B0BC;
}

.dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot.gold {
  background: var(--gold);
}

.bc-arch-card {
  width: 440px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid rgba(201, 169, 97, 0.15);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.arch-title {
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 4px;
}

.arch-layer {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  height: 56px;
}

.arch-layer-gold {
  background: var(--gold-dim);
  border-color: rgba(201, 169, 97, 0.2);
}

.arch-layer-blue {
  border-color: var(--blue-border);
}

.arch-icon {
  width: 32px;
  height: 32px;
  background: var(--border-subtle);
  border-radius: 6px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arch-icon.gold-icon {
  background: rgba(201, 169, 97, 0.15);
}

.arch-icon.blue-icon {
  background: rgba(91, 141, 239, 0.1);
}

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

.arch-name {
  font-size: 13px;
  color: var(--text-primary);
}

.arch-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-en);
}

/* ======================== TRADE ======================== */
.trade {
  background: var(--bg-secondary);
}

.trade-cards {
  display: flex;
  gap: 24px;
}

.trade-card {
  flex: 1;
  background: linear-gradient(135deg, var(--bg-card-dark), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trade-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gold-icon-bg {
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
}

.blue-icon-bg {
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
}

.trade-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.trade-tag-text {
  font-size: 13px;
}

.trade-tag-text.gold {
  color: var(--gold);
}

.trade-tag-text.blue {
  color: var(--blue);
}

.trade-card > p {
  font-size: 13px;
  line-height: 22px;
  color: var(--text-secondary);
}

.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 4px;
}

.gold-tag {
  background: rgba(201, 169, 97, 0.1);
  color: var(--gold);
}

.blue-tag {
  background: rgba(91, 141, 239, 0.1);
  color: var(--blue);
}

/* ======================== COMPLIANCE ======================== */
.compliance {
  background: var(--bg-primary);
}

.comp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
}

.comp-header-left {
  max-width: 520px;
}

.comp-strip {
  display: flex;
  background: linear-gradient(135deg, var(--bg-card-dark), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.comp-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 32px;
  text-align: center;
}

.comp-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gold-icon-bg-sm {
  background: var(--gold-dim);
}

.blue-icon-bg-sm {
  background: var(--blue-dim);
}

.comp-item-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.comp-item-desc {
  font-size: 12px;
  line-height: 18px;
  color: var(--text-secondary);
  text-align: center;
}

.comp-divider {
  width: 1px;
  background: #1F2024;
  flex-shrink: 0;
}

/* ======================== CONTACT ======================== */
.contact {
  background: var(--bg-secondary);
  padding: 80px 0;
}

.contact-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 60px;
}

.contact-left {
  width: 600px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 6px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-label {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-en);
  font-weight: 500;
  min-width: 35px;
}

.contact-value {
  font-size: 13px;
  color: #B0B0BC;
}

.contact-value.gold {
  color: var(--gold);
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 14px;
}

.contact-card {
  width: 360px;
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(201, 169, 97, 0.03));
  border: 1px solid rgba(201, 169, 97, 0.2);
  border-radius: 12px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.contact-card p {
  font-size: 13px;
  line-height: 20px;
  color: var(--text-secondary);
}

.email-btn {
  background: var(--gold);
  color: var(--bg-primary) !important;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 13px;
  padding: 12px 28px;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.email-btn:hover {
  opacity: 0.9;
  color: var(--bg-primary);
}

/* ======================== FOOTER ======================== */
.footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-company {
  font-size: 13px;
  line-height: 20px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.footer-col a,
.footer-col span {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.copyright {
  font-size: 12px;
  color: #4B4B55;
}

.footer-lang {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-lang-btn {
  background: none;
  border: none;
  font-family: var(--font-cn);
  font-size: 12px;
  color: #4B4B55;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.footer-lang-btn.active {
  color: var(--gold);
}

.footer-lang-btn:hover {
  color: var(--text-primary);
}

/* ======================== MOBILE MENU ======================== */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
  margin: 0 auto;
}

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

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10, 11, 15, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  padding: 16px 24px;
  gap: 4px;
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color 0.2s;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

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

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1200px) {
  .hero-visual {
    display: none;
  }
  .hero-content {
    width: 100%;
    max-width: 680px;
  }
  .about-top {
    flex-direction: column;
  }
  .about-left {
    width: 100%;
  }
  .bc-content {
    flex-direction: column;
  }
  .bc-arch-card {
    width: 100%;
  }
  .pc-header {
    flex-direction: column;
  }
  .pc-badge {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .container, .header-inner, .hero {
    padding: 0 20px;
  }
  .nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .mobile-nav {
    display: flex;
  }
  .btn-contact {
    display: none;
  }
  .lang-switcher {
    padding: 5px 8px;
  }
  .lang-btn {
    font-size: 11px;
  }
  .hero {
    height: auto;
    padding: 120px 20px 60px;
  }
  .hero-headline {
    font-size: 32px;
    line-height: 44px;
  }
  .hero-sub {
    font-size: 14px;
    line-height: 24px;
  }
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-secondary {
    text-align: center;
    padding: 13px 24px;
  }
  .trust-indicators {
    flex-wrap: wrap;
    gap: 12px;
    font-size: 11px;
  }
  section {
    padding: 56px 0;
  }
  .section-title, .section-title-lg {
    font-size: 26px;
    line-height: 36px;
  }
  .section-sub, .section-desc {
    font-size: 14px;
    line-height: 24px;
  }
  .trade-cards {
    flex-direction: column;
  }
  .trade-card {
    padding: 24px;
  }
  .comp-strip {
    flex-direction: column;
  }
  .comp-divider {
    width: 100%;
    height: 1px;
  }
  .comp-item {
    padding: 28px 20px;
  }
  .cred-cards {
    flex-wrap: wrap;
  }
  .cred-card {
    flex: 1 1 calc(50% - 8px);
  }
  .stat-row {
    flex-direction: column;
  }
  .stat-card {
    height: auto;
    padding: 20px;
  }
  .parent-company {
    padding: 24px 20px;
  }
  .pc-header-left h3 {
    font-size: 20px;
    line-height: 30px;
  }
  .bc-main-card, .bc-arch-card {
    padding: 24px 20px;
  }
  .contact-inner {
    flex-direction: column;
    gap: 32px;
  }
  .contact-left {
    width: 100%;
  }
  .contact-card {
    width: 100%;
    padding: 32px 24px;
  }
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 380px) {
  .container, .header-inner, .hero {
    padding: 0 16px;
  }
  .hero-headline {
    font-size: 26px;
    line-height: 38px;
  }
  .cred-cards {
    flex-direction: column;
  }
  .cred-card {
    flex: 1 1 100%;
  }
  .logo-img {
    height: 36px;
  }
}