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

:root {
  --bg: #16152a;
  --bg-alt: #1c1b36;
  --surface: #252440;
  --surface-hover: #2e2c52;
  --border: #38366a;
  --accent: #7c6aff;
  --accent-2: #a78bfa;
  --accent-glow: rgba(124, 106, 255, 0.35);
  --text: #eeeeff;
  --text-muted: #9d9bbf;
  --text-dim: #6a6890;
  --green: #4ade80;
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --header-h: 64px;
}

html {
  scroll-behavior: smooth;
}

/* === VIDEO BACKGROUND === */
#bg-video {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.22;
  pointer-events: none;
  filter: saturate(1.4) brightness(0.9);
}

#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  pointer-events: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--accent);
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(22, 21, 42, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(56, 54, 106, 0.6);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
}

.nav-logo .dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color var(--transition);
}
.nav-links a:hover {
  color: var(--text);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}
.burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger.active span:nth-child(2) {
  opacity: 0;
}
.burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(22, 21, 42, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(56, 54, 106, 0.5);
  padding: 16px 24px;
  gap: 16px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}
.mobile-menu a:hover {
  color: var(--text);
}

/* === HERO === */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 110px 24px 90px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 60px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 106, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.tag {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-2);
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 22px;
  color: #fff;
}

.amp {
  color: var(--accent);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero-sub {
  display: inline-block;
  margin-top: 6px;
  color: var(--text-dim);
  font-style: italic;
  font-size: 0.95rem;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 13px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 0 24px var(--accent-glow);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--accent-2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--accent-glow);
}

/* === SECTIONS === */
.section {
  padding: 80px 24px;
  background: transparent;
}
.spacex {
  padding: 9px;
  background: transparent;
}

.section-alt {
  background: rgba(28, 27, 54, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(56, 54, 106, 0.5);
  border-bottom: 1px solid rgba(56, 54, 106, 0.5);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-icon {
  font-size: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* === CARDS GRID === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: rgba(37, 36, 64, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 54, 106, 0.7);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
  opacity: 0;
  transform: translateY(16px);
}
.card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition), background var(--transition);
}
.card:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
  transform: translateY(-3px);
}

.card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.card-content {
  flex: 1;
  min-width: 0;
}

.card-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
  font-weight: 600;
}

.card-value {
  font-size: 0.93rem;
  color: var(--text);
  word-break: break-all;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.ton-addr {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: var(--accent-2);
  letter-spacing: 0.3px;
  margin-bottom: 10px;
}

.copy-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.copy-btn.copied {
  border-color: var(--green);
  color: var(--green);
}

/* === SERVICES GRID === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.service-card {
  background: rgba(37, 36, 64, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 54, 106, 0.7);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
  opacity: 0;
  transform: translateY(16px);
}
.service-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition), background var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
  transform: translateY(-3px);
}

.service-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.service-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--text);
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* === PROJECTS GRID === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.project-card {
  background: rgba(37, 36, 64, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 54, 106, 0.7);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
  opacity: 0;
  transform: translateY(16px);
}
.project-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition), background var(--transition);
}
.project-card:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(124, 106, 255, 0.12);
}

.project-emoji {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.project-body {
  flex: 1;
}

.project-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 6px;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === CHANNEL CARD === */
.channel-card a {
  color: var(--accent-2);
}
.channel-card a:hover {
  color: var(--accent);
}

/* === CONTACT CARD LINK === */
a.card-link {
  text-decoration: none;
  display: flex;
  cursor: pointer;
}

a.card-link .contact-value {
  color: var(--accent-2);
  transition: color var(--transition);
}

a.card-link:hover .contact-value {
  color: var(--accent);
}

/* === FOOTER === */
.footer {
  padding: 32px 24px;
  text-align: center;
  border-top: 1px solid rgba(56, 54, 106, 0.5);
  background: rgba(22, 21, 42, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-sub {
  font-style: italic;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .burger {
    display: flex;
  }
  .hero {
    padding: 70px 20px 60px;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section {
    padding: 60px 20px;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
    letter-spacing: -0.8px;
  }
  .hero-desc {
    font-size: 0.97rem;
  }
  .cards-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* === SELECTION === */
::selection {
  background: var(--accent);
  color: #fff;
}