@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #04040a;
  --bg2: #080815;
  --surface: rgba(255,255,255,0.03);
  --surface2: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.07);
  --border-bright: rgba(120,100,255,0.3);
  --text: #e8e8f0;
  --text2: #7a7a9a;
  --text3: #4a4a6a;
  --accent: #7c5cfc;
  --accent2: #4f8eff;
  --accent3: #00d4aa;
  --glow: rgba(124,92,252,0.15);
  --glow2: rgba(79,142,255,0.1);
  --mono: 'Roboto Mono', monospace;
  --display: 'Roboto', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow-x: hidden;
  cursor: none;
}

/* CUSTOM CURSOR */
.cursor {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s;
  mix-blend-mode: screen;
}
.cursor-ring {
  position: fixed;
  width: 32px; height: 32px;
  border: 1px solid rgba(124,92,252,0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.15s, width 0.2s, height 0.2s, border-color 0.2s;
}

/* NOISE TEXTURE */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9990;
  opacity: 0.4;
}

/* HEADER */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(4,4,10,0.6);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.5; transform:scale(0.7); }
}

nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
nav a {
  color: var(--text2);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
nav a:hover { color: var(--text); }

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}
.lang-btn {
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text2);
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: none;
  transition: all 0.2s;
  letter-spacing: 1px;
}
.lang-btn.active {
  background: var(--accent);
  color: #fff;
}

.theme-toggle {
  width: 32px; height: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-size: 14px;
  transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--border-bright); color: var(--text); }

/* HERO */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 20px 80px;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,92,252,0.08);
  border: 1px solid rgba(124,92,252,0.2);
  border-radius: 100px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 32px;
  animation: fadeUp 0.8s both;
}
.live-dot {
  width: 6px; height: 6px;
  background: var(--accent3);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent3);
  animation: blink 1.2s infinite;
}
@keyframes blink {
  0%,100% { opacity:1; }
  50% { opacity:0.2; }
}

.hero-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
  animation: fadeUp 0.8s 0.1s both;
  background: linear-gradient(135deg, #fff 0%, rgba(200,190,255,0.8) 60%, rgba(124,92,252,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 16px;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 48px;
  animation: fadeUp 0.8s 0.2s both;
  font-family: var(--mono);
  font-weight: 400;
}

@keyframes fadeUp {
  from { opacity:0; transform:translateY(24px); }
  to { opacity:1; transform:translateY(0); }
}

.invite-block {
  animation: fadeUp 0.8s 0.3s both;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.invite-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1.5px;
}

.invite-row {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 440px;
}

.invite-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: all 0.3s;
  letter-spacing: 2px;
}
.invite-input::placeholder { color: var(--text3); letter-spacing: 1px; }
.invite-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.1), 0 0 20px rgba(124,92,252,0.05);
}
.invite-input.error {
  border-color: #ff4466;
  box-shadow: 0 0 0 3px rgba(255,68,102,0.1);
  animation: shake 0.3s;
}
@keyframes shake {
  0%,100% { transform:translateX(0); }
  25% { transform:translateX(-4px); }
  75% { transform:translateX(4px); }
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: none;
  transition: all 0.2s;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.4s;
}
.btn-primary:hover::before { transform: translateX(100%); }
.btn-primary:hover {
  background: #8f70ff;
  box-shadow: 0 0 20px rgba(124,92,252,0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: none;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
.btn-secondary:hover {
  border-color: var(--border-bright);
  color: var(--text);
  transform: translateY(-1px);
}

.invite-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.access-message {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 440px;
  width: 100%;
}
.access-message .msg-text {
  font-size: 13px;
  color: var(--accent3);
  letter-spacing: 0.5px;
  font-family: var(--mono);
}
.progress-bar {
  width: 100%;
  height: 2px;
  background: var(--surface2);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent3));
  width: 0%;
  transition: width 0.05s;
}

/* METRICS PANEL */
.metrics-panel {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding: 0 20px 80px;
  animation: fadeUp 0.8s 0.5s both;
}

.metrics-card {
  background: rgba(8,8,21,0.8);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  box-shadow: 0 4px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent3);
  letter-spacing: 2px;
  font-weight: 700;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}
.metric-val {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}
.metric-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1px;
  white-space: nowrap;
}

.metric-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric-bar {
  width: 80px;
  height: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
}
.metric-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  transition: width 0.5s ease;
}

.metrics-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* SYSTEM LOG */
.sys-log {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
}
.log-msg {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent3);
  opacity: 0;
  letter-spacing: 0.5px;
  transition: opacity 0.3s;
  background: rgba(0,212,170,0.05);
  border: 1px solid rgba(0,212,170,0.1);
  border-radius: 4px;
  padding: 3px 8px;
}
.log-msg.show { opacity: 1; }

/* SECTIONS */
section {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-tag::after {
  content: '';
  flex: 1;
  max-width: 60px;
  height: 1px;
  background: var(--accent);
  opacity: 0.3;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.1;
}

.section-body {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text2);
  line-height: 1.8;
  max-width: 560px;
}

/* ABOUT */
#about {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  transition: all 0.3s;
}
.stat-card:first-child { border-radius: 12px 0 0 0; }
.stat-card:nth-child(2) { border-radius: 0 12px 0 0; }
.stat-card:nth-child(3) { border-radius: 0 0 0 12px; }
.stat-card:last-child { border-radius: 0 0 12px 0; }
.stat-card:hover {
  background: rgba(124,92,252,0.06);
  border-color: rgba(124,92,252,0.2);
}
.stat-num {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
}
.stat-desc {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* FEATURES */
#features {
  border-top: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.feat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.feat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124,92,252,0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}
.feat-card:hover::before { opacity: 1; }
.feat-card:hover {
  border-color: rgba(124,92,252,0.3);
  box-shadow: 0 8px 32px rgba(124,92,252,0.1), 0 0 0 1px rgba(124,92,252,0.1);
  transform: translateY(-2px);
}
.feat-icon {
  width: 40px; height: 40px;
  background: rgba(124,92,252,0.1);
  border: 1px solid rgba(124,92,252,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
}
.feat-title {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}
.feat-desc {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  line-height: 1.7;
}

/* INFRA DIAGRAM */
#infra {
  border-top: 1px solid var(--border);
  text-align: center;
}
#infra-canvas {
  width: 100%;
  height: 320px;
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-top: 48px;
  background: rgba(8,8,21,0.6);
}

/* ACCESS SECTION */
#access {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.access-trust {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
  margin-top: 16px;
  letter-spacing: 0.5px;
}
.access-trust span {
  color: var(--accent2);
}

.region-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}
.region-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 10px;
  letter-spacing: 0.5px;
  transition: all 0.2s;
}
.region-tag:hover {
  border-color: var(--border-bright);
  color: var(--text2);
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,4,10,0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 480px;
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 20px 80px rgba(0,0,0,0.6);
  position: relative;
}
.modal-overlay.open .modal {
  transform: scale(1);
}
.modal-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.modal-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}
.form-field {
  margin-bottom: 16px;
}
.form-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  display: block;
}
.form-input, .form-textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: all 0.2s;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.1);
}
.form-textarea { resize: vertical; min-height: 80px; }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 28px; height: 28px;
  cursor: none;
  display: flex; align-items: center; justify-content: center;
  color: var(--text3);
  font-size: 16px;
  transition: all 0.2s;
}
.modal-close:hover { color: var(--text); border-color: var(--border-bright); }

.success-msg {
  display: none;
  text-align: center;
  padding: 20px;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.success-icon {
  width: 48px; height: 48px;
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.success-text {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent3);
}
.success-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
  letter-spacing: 0.5px;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
}
footer a {
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
}
footer a:hover { color: var(--text2); }
.footer-links { display: flex; gap: 24px; }

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  header { padding: 0 20px; }
  nav { display: none; }
  section { padding: 60px 20px; }
  #about, #access { grid-template-columns: 1fr; gap: 40px; }
  .metrics-card { gap: 16px; flex-wrap: wrap; }
  .metrics-divider { display: none; }
  footer { flex-direction: column; gap: 16px; text-align: center; }
}

/* LANG */
[data-lang="ru"] .lang-en,
[data-lang="en"] .lang-ru {
  display: none;
}

/* SPINNER */
.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform:rotate(360deg); } }