:root {
  --bg: #03060b;
  --bg-2: #07101d;
  --panel: rgba(12, 20, 33, 0.82);
  --panel-strong: rgba(17, 28, 45, 0.94);
  --line: rgba(142, 181, 225, 0.2);
  --text: #f5f8ff;
  --muted: #aab7c8;
  --blue: #168cff;
  --blue-2: #6ed6ff;
  --silver: #c8d2df;
  --success: #68f0bc;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --glow: 0 0 24px rgba(22, 140, 255, 0.32), 0 0 64px rgba(110, 214, 255, 0.14);
  --radius: 8px;
  --max: 1160px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 0%, rgba(22, 140, 255, 0.16), transparent 32rem),
    radial-gradient(circle at 86% 12%, rgba(110, 214, 255, 0.11), transparent 30rem),
    linear-gradient(180deg, #02040a 0%, var(--bg) 42%, #04070d 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.72), transparent 78%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(142, 181, 225, 0.14);
  background: rgba(3, 6, 11, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(var(--max), calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: var(--glow);
}

.brand-text {
  display: grid;
  line-height: 1.05;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-subtitle {
  color: var(--blue-2);
  font-size: 0.72rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 650;
  font-size: 0.94rem;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(22, 140, 255, 0.1);
  box-shadow: inset 0 -1px 0 rgba(110, 214, 255, 0.45);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(110, 214, 255, 0.5);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(22, 140, 255, 0.95), rgba(110, 214, 255, 0.72));
  color: #00101d;
  font-weight: 800;
  box-shadow: var(--glow);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(22, 140, 255, 0.48), 0 0 90px rgba(110, 214, 255, 0.18);
}

.btn.secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: rgba(200, 210, 223, 0.32);
  box-shadow: none;
}

.btn.small {
  min-height: 40px;
  padding-inline: 14px;
  font-size: 0.9rem;
}

.section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 76px 0;
}

.section.tight {
  padding: 46px 0;
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(110,214,255,0.6), transparent);
}

.hero-grid {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin: 0 0 18px;
  color: var(--blue-2);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--blue-2);
  box-shadow: var(--glow);
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 790px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  font-size: clamp(2rem, 4.4vw, 4rem);
}

h3 {
  font-size: 1.22rem;
}

.lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.24rem);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-logo-wrap {
  position: relative;
  padding: 18px;
}

.hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(110,214,255,0.22);
  transform: rotate(4deg);
  box-shadow: var(--glow);
}

.hero-logo {
  position: relative;
  width: min(100%, 540px);
  border-radius: 8px;
  box-shadow: 0 36px 120px rgba(0,0,0,0.58), var(--glow);
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 28, 45, 0.88), rgba(7, 12, 21, 0.88));
  box-shadow: var(--shadow);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 34px;
}

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

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 29, 47, 0.86), rgba(6, 11, 19, 0.9));
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(22, 140, 255, 0.16), transparent 38%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(110, 214, 255, 0.42);
  box-shadow: var(--glow);
}

.card:hover::before {
  opacity: 1;
}

.card > * {
  position: relative;
}

.card p,
.muted {
  color: var(--muted);
}

.icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(110,214,255,0.42);
  border-radius: 8px;
  background: rgba(22, 140, 255, 0.1);
  color: var(--blue-2);
  box-shadow: var(--glow);
  font-weight: 900;
}

.about-panel {
  padding: 30px;
}

.feature-list,
.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.feature-list li,
.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

.feature-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue-2);
  box-shadow: var(--glow);
}

.cta {
  padding: 46px;
  border: 1px solid rgba(110,214,255,0.28);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(22, 140, 255, 0.16), transparent 42%),
    linear-gradient(180deg, rgba(18, 29, 47, 0.94), rgba(4, 8, 15, 0.94));
  box-shadow: var(--shadow), var(--glow);
}

.page-hero {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 78px 0 40px;
}

.page-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.3rem);
}

.notice {
  padding: 18px 20px;
  border: 1px solid rgba(110,214,255,0.36);
  border-radius: var(--radius);
  background: rgba(22, 140, 255, 0.08);
  color: var(--text);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.price-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid rgba(110,214,255,0.5);
  border-radius: 999px;
  color: var(--blue-2);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.price {
  margin: 18px 0 10px;
  font-size: 2.45rem;
  font-weight: 900;
}

.price span {
  color: var(--muted);
  font-size: 1rem;
}

.note {
  margin-top: 12px;
  padding: 12px;
  border-left: 2px solid var(--blue-2);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.92rem;
}

.price-card .btn {
  margin-top: auto;
}

.comparison {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
}

.comparison th,
.comparison td {
  padding: 14px;
  border: 1px solid rgba(142, 181, 225, 0.16);
  text-align: left;
}

.comparison th {
  color: var(--text);
  background: rgba(22,140,255,0.12);
}

.comparison td {
  color: var(--muted);
  background: rgba(7, 12, 21, 0.56);
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 20, 33, 0.78);
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq p {
  color: var(--muted);
}

.review-stars {
  color: #7fd9ff;
  letter-spacing: 0.08em;
  text-shadow: var(--glow);
}

.form {
  display: grid;
  gap: 14px;
}

.form label {
  display: grid;
  gap: 7px;
  color: var(--silver);
  font-weight: 750;
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid rgba(142, 181, 225, 0.24);
  border-radius: 8px;
  background: rgba(3, 6, 11, 0.72);
  color: var(--text);
  font: inherit;
  padding: 13px 14px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form textarea {
  min-height: 150px;
  resize: vertical;
}

.form input:focus,
.form textarea:focus {
  border-color: rgba(110,214,255,0.78);
  box-shadow: var(--glow);
}

.contact-lines {
  display: grid;
  gap: 12px;
}

.contact-lines a {
  color: var(--blue-2);
  font-weight: 800;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid rgba(142, 181, 225, 0.16);
  background: #02050a;
}

.footer-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 38px 0;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 28px;
}

.footer-logo {
  width: 74px;
  height: 74px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--glow);
  margin-bottom: 14px;
}

.footer-links,
.footer-contact {
  display: grid;
  gap: 9px;
}

.footer-links a,
.footer-contact a {
  color: var(--muted);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--blue-2);
}

.copyright {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0 28px;
  color: #738399;
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .grid.two,
  .grid.three,
  .grid.four,
  .pricing-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 56px 0;
  }

  .hero-logo {
    margin: 0 auto;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    width: 100%;
    padding: 0 0 16px;
    align-items: stretch;
    flex-direction: column;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    border: 1px solid rgba(142,181,225,0.14);
    border-radius: 8px;
  }

  .brand-name {
    font-size: 0.92rem;
  }

  .brand-subtitle {
    font-size: 0.64rem;
    letter-spacing: 0.24em;
  }

  .section,
  .page-hero {
    width: min(100% - 24px, var(--max));
  }

  .cta {
    padding: 26px;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .comparison {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}