@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,200..1000;1,6..12,200..1000&display=swap');
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg-1: #060b18;
  --bg-2: #0b1224;
  --bg-3: #101a30;
  --glass: rgba(10, 18, 42, 0.6);
  --glass-border: rgba(80, 140, 255, 0.12);
  --glass-shadow: rgba(0, 20, 80, 0.35);
  --accent: #4a9eff;
  --accent-light: #70b4ff;
  --accent-lighter: #a0d0ff;
  --accent-glow: rgba(74, 158, 255, 0.35);
  --accent-subtle: rgba(74, 158, 255, 0.07);
  --grad-accent: linear-gradient(135deg, #3478c6 0%, #4a9eff 50%, #70b4ff 100%);
  --grad-card: linear-gradient(160deg, rgba(16, 30, 65, 0.55), rgba(8, 16, 40, 0.35));
  --text-1: #e4ecf8;
  --text-2: #94a8c8;
  --text-3: #5a7090;
  --green: #4ade80;
  --yellow: #fbbf24;
  --red: #f87171;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 9999px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --spring: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.2s var(--ease);
  --t-mid: 0.35s var(--ease);
  --t-slow: 0.55s var(--spring);
  --font: 'Nunito Sans', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;
  --nav-h: 76px;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg-1);
  color: var(--text-1);
  background-color: var(--bg-1);
  color: var(--text-2);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  user-select: none;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--t-fast);
}
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font);
  color: var(--text-1);
}
::selection {
  background: rgba(74, 158, 255, 0.3);
  color: #fff;
}
.navbar,
.nav-brand,
.nav-links,
.nav-hamburger,
.mobile-menu,
.hero__badge,
.hero__stat,
.hero__stat-icon,
.section-label,
.about-card__icon,
.platform-card__icon,
.platform-card__btn,
.feature-card__icon,
.version-badge,
.version-download-btn,
.cta-feature,
.back-to-top,
.toast,
.btn,
.footer__social,
.install__cmd {
  -webkit-user-select: none;
  user-select: none;
}
img {
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
}
.nav-brand img,
.footer__brand-logo {
  pointer-events: auto;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: rgba(74, 158, 255, 0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(74, 158, 255, 0.45); }
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.2;
  animation: orbFloat 22s ease-in-out infinite;
}
.bg-orb--1 {
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, #1a4a8a, transparent);
  top: -220px;
  right: -120px;
}
.bg-orb--2 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #0d2d5a, transparent);
  bottom: -180px;
  left: -120px;
  animation-delay: -8s;
}
.bg-orb--3 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #2a5a9a, transparent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -15s;
  opacity: 0.1;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(35px, -25px) scale(1.04); }
  66% { transform: translate(-25px, 40px) scale(0.96); }
}
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1140px;
  height: var(--nav-h);
  background: var(--glass);
  backdrop-filter: blur(28px) saturate(1.8);
  -webkit-backdrop-filter: blur(28px) saturate(1.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  box-shadow: 0 4px 32px var(--glass-shadow), inset 0 0 0 1px rgba(255,255,255,0.02);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
  animation: navIn 0.7s var(--spring) both;
}
@keyframes navIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-24px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.navbar.scrolled {
  background: rgba(6, 11, 24, 0.9);
  box-shadow: 0 8px 40px rgba(0, 15, 50, 0.55), inset 0 0 0 1px rgba(255,255,255,0.02);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.nav-brand__logo {
  width: 46px !important;
  min-width: 46px;
  height: 46px !important;
  min-height: 46px;
  max-width: 46px;
  max-height: 46px;
  border-radius: var(--r-sm);
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(74, 158, 255, 0.4));
  transition: var(--t-fast);
  flex-shrink: 0;
  transform: scale(2);
}
.nav-brand:hover .nav-brand__logo {
  filter: drop-shadow(0 0 18px rgba(74, 158, 255, 0.6));
  transform: scale(2.15);
}
.nav-brand__name {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #e4ecf8 30%, #70b4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links__item {
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-2);
  border-radius: var(--r-pill);
  transition: var(--t-fast);
  white-space: nowrap;
}
.nav-links__item:hover,
.nav-links__item--active {
  color: var(--text-1);
  background: rgba(74, 158, 255, 0.1);
}
.nav-links__cta {
  padding: 9px 22px;
  font-size: 0.88rem;
  font-weight: 800;
  color: #fff;
  background: var(--grad-accent);
  border-radius: var(--r-pill);
  transition: var(--t-fast);
  box-shadow: 0 2px 14px rgba(74, 158, 255, 0.3);
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-links__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 22px rgba(74, 158, 255, 0.5);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  z-index: 1010;
}
.nav-hamburger__line {
  width: 24px;
  height: 2.5px;
  background: var(--text-1);
  border-radius: 2px;
  transition: var(--t-fast);
  transform-origin: center;
}
.nav-hamburger.active .nav-hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active .nav-hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.active .nav-hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 18, 0.96);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transition: var(--t-mid);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu__link {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-2);
  padding: 14px 36px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(24px);
  opacity: 0;
  transition: color var(--t-fast), background var(--t-fast), transform 0.5s var(--spring), opacity 0.5s var(--spring);
}
.mobile-menu.open .mobile-menu__link {
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu.open .mobile-menu__link:nth-child(1) { transition-delay: 0.04s; }
.mobile-menu.open .mobile-menu__link:nth-child(2) { transition-delay: 0.08s; }
.mobile-menu.open .mobile-menu__link:nth-child(3) { transition-delay: 0.12s; }
.mobile-menu.open .mobile-menu__link:nth-child(4) { transition-delay: 0.16s; }
.mobile-menu.open .mobile-menu__link:nth-child(5) { transition-delay: 0.20s; }
.mobile-menu.open .mobile-menu__link:nth-child(6) { transition-delay: 0.24s; }
.mobile-menu__link:hover {
  color: var(--text-1);
  background: rgba(74, 158, 255, 0.08);
}
.mobile-menu__link i {
  width: 24px;
  text-align: center;
  color: var(--accent);
  font-size: 1rem;
}
.mobile-menu__cta {
  margin-top: 20px;
  padding: 16px 44px;
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  background: var(--grad-accent);
  border-radius: var(--r-pill);
  box-shadow: 0 4px 24px rgba(74, 158, 255, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transform: translateY(24px);
  opacity: 0;
  transition: transform 0.5s var(--spring), opacity 0.5s var(--spring);
}
.mobile-menu.open .mobile-menu__cta {
  transform: translateY(0);
  opacity: 1;
  transition-delay: 0.3s;
}
section {
  position: relative;
  z-index: 1;
  padding: 110px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
  padding: 6px 18px;
  background: var(--accent-subtle);
  border: 1px solid rgba(74, 158, 255, 0.1);
  border-radius: var(--r-pill);
}
.section-label i {
  font-size: 0.5rem;
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.section-title {
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.section-title span {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}
.hero__content {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--accent-light);
  padding: 8px 22px;
  background: var(--accent-subtle);
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: var(--r-pill);
  margin-bottom: 36px;
  animation: fadeUp 0.7s 0.15s var(--spring) both;
}
.hero__badge i {
  color: var(--green);
  font-size: 0.5rem;
  animation: pulseDot 1.5s ease-in-out infinite;
}
.hero__title {
  font-size: clamp(2.6rem, 6.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  animation: fadeUp 0.7s 0.25s var(--spring) both;
}
.hero__title-gradient {
  background: linear-gradient(135deg, #70b4ff 0%, #4a9eff 45%, #a0d0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-2);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.75;
  animation: fadeUp 0.7s 0.35s var(--spring) both;
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s 0.45s var(--spring) both;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: var(--r-pill);
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.btn i { font-size: 0.95rem; }
.btn--primary {
  color: #fff;
  background: var(--grad-accent);
  box-shadow: 0 4px 20px rgba(74, 158, 255, 0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(74, 158, 255, 0.5);
}
.btn--primary:active { transform: translateY(0); }
.btn--secondary {
  color: var(--text-1);
  background: rgba(74, 158, 255, 0.08);
  border: 1px solid rgba(74, 158, 255, 0.18);
}
.btn--secondary:hover {
  background: rgba(74, 158, 255, 0.15);
  border-color: rgba(74, 158, 255, 0.3);
  transform: translateY(-2px);
}
.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  margin-top: 72px;
  animation: fadeUp 0.7s 0.55s var(--spring) both;
}
.hero__stat {
  text-align: center;
}
.hero__stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: var(--accent-subtle);
  border: 1px solid rgba(74, 158, 255, 0.1);
  border-radius: var(--r-md);
  color: var(--accent);
  font-size: 1.05rem;
  transition: var(--t-fast);
}
.hero__stat:hover .hero__stat-icon {
  background: rgba(74, 158, 255, 0.12);
  transform: scale(1.08);
}
.hero__stat-value {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero__stat-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-3);
  margin-top: 2px;
}
.hero__waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 180px;
  overflow: hidden;
  z-index: 1;
}
.hero__wave {
  position: absolute;
  bottom: 0;
  left: -5%;
  width: 110%;
  height: 100%;
}
.hero__wave path {
  fill: var(--bg-2);
}
.about {
  background: var(--bg-2);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.about__paragraph {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-2);
  line-height: 1.8;
}
.about__highlight {
  color: var(--accent-light);
  font-weight: 800;
}
.about__card-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-card {
  padding: 22px 24px;
  background: var(--grad-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.4s var(--spring), border-color var(--t-fast), box-shadow var(--t-fast);
}
.about-card:hover {
  transform: translateX(6px);
  border-color: rgba(74, 158, 255, 0.25);
  box-shadow: 0 4px 24px rgba(74, 158, 255, 0.06);
}
.about-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border: 1px solid rgba(74, 158, 255, 0.1);
  border-radius: var(--r-md);
  flex-shrink: 0;
  color: var(--accent);
  font-size: 1.15rem;
  transition: var(--t-fast);
}
.about-card:hover .about-card__icon {
  background: rgba(74, 158, 255, 0.12);
  color: var(--accent-light);
  transform: scale(1.06);
}
.about-card__content h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.about-card__content p {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-3);
  line-height: 1.6;
}
.install {
  background: var(--bg-1);
}
.install__platforms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.platform-card {
  position: relative;
  padding: 40px 28px 36px;
  background: var(--grad-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  text-align: center;
  transition: transform 0.4s var(--spring), border-color var(--t-fast), box-shadow var(--t-fast);
  overflow: hidden;
}
.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transition: transform 0.4s var(--spring);
}
.platform-card:hover {
  transform: translateY(-6px);
  border-color: rgba(74, 158, 255, 0.25);
  box-shadow: 0 16px 48px rgba(74, 158, 255, 0.1);
}
.platform-card:hover::before {
  transform: scaleX(1);
}
.platform-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--accent-subtle);
  border: 1px solid rgba(74, 158, 255, 0.1);
  border-radius: var(--r-lg);
  color: var(--accent);
  font-size: 1.6rem;
  transition: var(--t-mid);
}
.platform-card:hover .platform-card__icon {
  background: rgba(74, 158, 255, 0.12);
  transform: scale(1.08);
}
.platform-card__name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.platform-card__version {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 4px;
}
.platform-card__size {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-3);
  margin-bottom: 24px;
}
.platform-card__btn {
  width: 100%;
  padding: 13px 24px;
  font-size: 0.92rem;
  font-weight: 800;
  color: #fff;
  background: var(--grad-accent);
  border-radius: var(--r-md);
  box-shadow: 0 4px 16px rgba(74, 158, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.platform-card__btn:hover {
  box-shadow: 0 6px 24px rgba(74, 158, 255, 0.4);
  transform: translateY(-2px);
}
.platform-card__btn:active {
  transform: translateY(0);
}
.install__cmds {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.install__cmd {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--grad-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-2);
  font-family: 'Consolas', 'Monaco', monospace;
  cursor: pointer;
  transition: var(--t-fast);
}
.install__cmd:hover {
  border-color: rgba(74, 158, 255, 0.3);
  color: var(--text-1);
  background: rgba(74, 158, 255, 0.06);
}
.install__cmd i {
  color: var(--accent);
  font-size: 0.75rem;
  transition: var(--t-fast);
}
.install__cmd:hover i {
  color: var(--accent-light);
}
.why-us {
  background: var(--bg-2);
}
.why-us__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  padding: 34px 28px;
  background: var(--grad-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--spring), border-color var(--t-fast), box-shadow var(--t-fast);
}
.feature-card::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(74, 158, 255, 0.05), transparent);
  border-radius: 50%;
  transition: var(--t-slow);
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(74, 158, 255, 0.22);
  box-shadow: 0 12px 36px rgba(74, 158, 255, 0.07);
}
.feature-card:hover::after {
  top: -30px;
  right: -30px;
  width: 180px;
  height: 180px;
}
.feature-card__icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border: 1px solid rgba(74, 158, 255, 0.1);
  border-radius: var(--r-md);
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 20px;
  transition: var(--t-mid);
}
.feature-card:hover .feature-card__icon {
  background: rgba(74, 158, 255, 0.12);
  transform: scale(1.08);
}
.feature-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature-card__desc {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-3);
  line-height: 1.65;
}
.versions {
  background: var(--bg-1);
}
.versions__table-wrapper {
  background: var(--grad-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.versions__table {
  width: 100%;
  border-collapse: collapse;
}
.versions__table thead {
  background: rgba(74, 158, 255, 0.04);
}
.versions__table th {
  padding: 16px 24px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}
.versions__table td {
  padding: 16px 24px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-2);
  border-bottom: 1px solid rgba(74, 158, 255, 0.05);
  vertical-align: middle;
}
.versions__table tr:last-child td {
  border-bottom: none;
}
.versions__table tbody tr {
  transition: background var(--t-fast);
}
.versions__table tbody tr:hover {
  background: rgba(74, 158, 255, 0.03);
}
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: var(--r-pill);
}
.version-badge i {
  font-size: 0.45rem;
}
.version-badge--stable {
  color: var(--green);
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.18);
}
.version-badge--beta {
  color: var(--yellow);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.18);
}
.version-badge--alpha {
  color: var(--red);
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.18);
}
.version-badge--legacy {
  color: var(--text-3);
  background: rgba(90, 112, 144, 0.08);
  border: 1px solid rgba(90, 112, 144, 0.18);
}
.version-download-btn {
  padding: 7px 16px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(74, 158, 255, 0.06);
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: var(--r-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--t-fast);
}
.version-download-btn:hover {
  background: rgba(74, 158, 255, 0.14);
  border-color: rgba(74, 158, 255, 0.3);
  color: #fff;
}
.cta-section {
  background: var(--bg-2);
  text-align: center;
  overflow: hidden;
  position: relative;
}
.cta-section__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(74, 158, 255, 0.07), transparent 70%);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}
.cta-section__inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-section .section-subtitle {
  margin-bottom: 40px;
}
.cta__features {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 52px;
}
.cta-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-2);
}
.cta-feature i {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(74, 222, 128, 0.12);
  border-radius: 50%;
  color: var(--green);
  font-size: 0.55rem;
}
.footer {
  position: relative;
  z-index: 1;
  background: var(--bg-1);
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 28px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand-name {
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer__brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transform: scale(2);
  margin-right: 4px;
}
.footer__brand p {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-3);
  margin-top: 14px;
  line-height: 1.7;
  max-width: 260px;
}
.footer__col-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--t-fast);
}
.footer__link i {
  width: 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-3);
  transition: var(--t-fast);
}
.footer__link:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer__link:hover i {
  color: var(--accent);
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid rgba(74, 158, 255, 0.05);
}
.footer__copyright {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-3);
}
.footer__socials {
  display: flex;
  gap: 10px;
}
.footer__social {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(74, 158, 255, 0.06);
  border: 1px solid rgba(74, 158, 255, 0.08);
  border-radius: var(--r-md);
  font-size: 1rem;
  color: var(--text-2);
  transition: var(--t-fast);
}
.footer__social:hover {
  background: rgba(74, 158, 255, 0.14);
  border-color: rgba(74, 158, 255, 0.25);
  transform: translateY(-2px);
  color: var(--text-1);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s var(--spring), transform 0.65s var(--spring);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }
.reveal-d6 { transition-delay: 0.48s; }
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  color: var(--text-1);
  font-size: 0.9rem;
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--t-mid), transform var(--t-mid), background var(--t-fast);
  box-shadow: 0 4px 20px var(--glass-shadow);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.back-to-top:hover {
  background: rgba(74, 158, 255, 0.15);
  transform: translateY(-3px);
}
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 13px 26px;
  background: rgba(10, 16, 36, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-1);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-mid), transform var(--t-mid);
  box-shadow: 0 8px 36px rgba(0, 15, 50, 0.55);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.toast__icon {
  color: var(--accent);
  font-size: 1rem;
}
@media (max-width: 1024px) {
  .why-us__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  :root { --nav-h: 58px; }
  .navbar {
    width: calc(100% - 28px);
    padding: 0 20px;
    top: 10px;
  }
  .nav-brand__logo { width: 38px; height: 38px; }
  .nav-brand__name { font-size: 1.2rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-menu { display: flex; }
  section { padding: 80px 0; }
  .hero { padding-top: 90px; min-height: auto; padding-bottom: 40px; }
  .hero__title { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero__stats { gap: 28px; flex-wrap: wrap; }
  .about__grid { grid-template-columns: 1fr; gap: 36px; }
  .install__platforms {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }
  .install__cmds { flex-direction: column; }
  .why-us__grid { grid-template-columns: 1fr; }
  .versions__table-wrapper { overflow-x: auto; }
  .versions__table { min-width: 580px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 14px; text-align: center; }
  .cta__features { flex-direction: column; gap: 14px; }
}
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
  .hero__stat-value { font-size: 1.5rem; }
  section { padding: 60px 0; }
}