:root {
  --background: #070a12;
  --background-2: #0b1020;

  --panel: rgba(18, 24, 42, 0.72);
  --panel-solid: #11182b;

  --border: rgba(255, 255, 255, 0.08);

  --text: #f4f6ff;
  --muted: #9da6c4;

  --accent: #6c7cff;
  --accent-light: #8d99ff;

  --radius: 18px;
}


* {
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
}


body {
  margin: 0;

  min-height: 100vh;

  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  color: var(--text);

  background:
    radial-gradient(
      circle at 50% -20%,
      rgba(108, 124, 255, 0.22),
      transparent 45%
    ),
    linear-gradient(
      180deg,
      var(--background-2),
      var(--background)
    );
}


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


.navbar {
  position: sticky;

  top: 0;

  z-index: 100;

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 18px 6%;

  background: rgba(7, 10, 18, 0.75);

  backdrop-filter: blur(18px);

  border-bottom: 1px solid var(--border);
}


.logo {
  font-size: 24px;

  font-weight: 800;

  letter-spacing: -0.5px;
}


.navbar nav {
  display: flex;

  align-items: center;

  gap: 24px;
}


.navbar nav a {
  color: var(--muted);

  font-size: 14px;

  transition: 0.2s ease;
}


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


.nav-button {
  padding: 10px 16px;

  color: white !important;

  background: var(--accent);

  border-radius: 10px;
}


main {
  overflow: hidden;
}


.hero {
  min-height: 720px;

  display: flex;

  align-items: center;

  justify-content: center;

  padding: 100px 24px;

  text-align: center;
}


.hero-content {
  max-width: 850px;
}


.badge {
  display: inline-flex;

  align-items: center;

  padding: 7px 12px;

  margin-bottom: 18px;

  border: 1px solid rgba(108, 124, 255, 0.25);

  border-radius: 999px;

  background: rgba(108, 124, 255, 0.1);

  color: var(--accent-light);

  font-size: 13px;

  font-weight: 700;
}


.hero h1 {
  margin: 0;

  font-size: clamp(46px, 7vw, 82px);

  line-height: 1;

  letter-spacing: -4px;
}


.hero h1 span {
  display: block;

  color: var(--accent-light);
}


.hero p {
  max-width: 650px;

  margin: 28px auto;

  color: var(--muted);

  font-size: 18px;

  line-height: 1.7;
}


.hero-buttons {
  display: flex;

  justify-content: center;

  gap: 12px;

  flex-wrap: wrap;

  margin-top: 32px;
}


.button {
  display: inline-flex;

  align-items: center;

  justify-content: center;

  min-height: 48px;

  padding: 0 22px;

  border-radius: 12px;

  border: 1px solid var(--border);

  font-weight: 700;

  transition:
    transform 0.2s ease,
    background 0.2s ease;
}


.button:hover {
  transform: translateY(-2px);
}


.button.primary {
  background: var(--accent);

  border-color: transparent;

  color: white;
}


.button.primary:hover {
  background: var(--accent-light);
}


.button.secondary {
  background: rgba(255, 255, 255, 0.05);
}


.button.secondary:hover {
  background: rgba(255, 255, 255, 0.09);
}


.section {
  max-width: 1200px;

  margin: auto;

  padding: 100px 24px;
}


.section-heading {
  max-width: 650px;

  margin-bottom: 45px;
}


.section-heading h2,
.about-card h2,
.support-card h2 {
  margin: 0 0 16px;

  font-size: clamp(32px, 5vw, 48px);

  letter-spacing: -2px;
}


.section-heading p,
.about-card p,
.support-card p {
  margin: 0;

  color: var(--muted);

  line-height: 1.7;
}


.feature-grid {
  display: grid;

  grid-template-columns:
    repeat(
      auto-fit,
      minmax(250px, 1fr)
    );

  gap: 16px;
}


.feature-card {
  padding: 26px;

  background: var(--panel);

  border: 1px solid var(--border);

  border-radius: var(--radius);

  backdrop-filter: blur(16px);

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}


.feature-card:hover {
  transform: translateY(-4px);

  border-color: rgba(108, 124, 255, 0.35);
}


.feature-icon {
  display: flex;

  align-items: center;

  justify-content: center;

  width: 48px;

  height: 48px;

  margin-bottom: 20px;

  border-radius: 14px;

  background: rgba(108, 124, 255, 0.12);

  font-size: 22px;
}


.feature-card h3 {
  margin: 0 0 10px;

  font-size: 19px;
}


.feature-card p {
  margin: 0;

  color: var(--muted);

  line-height: 1.6;

  font-size: 14px;
}


.about-card {
  padding: 50px;

  background:
    linear-gradient(
      135deg,
      rgba(108, 124, 255, 0.12),
      rgba(255, 255, 255, 0.03)
    );

  border: 1px solid var(--border);

  border-radius: 24px;
}


.about-card p {
  max-width: 700px;

  margin-bottom: 28px;
}


.support-card {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 30px;

  padding: 40px;

  background: var(--panel);

  border: 1px solid var(--border);

  border-radius: 24px;
}


.support-card .badge {
  margin-bottom: 12px;
}


footer {
  padding: 50px 6% 25px;

  border-top: 1px solid var(--border);

  background: rgba(0, 0, 0, 0.15);
}


.footer-inner {
  display: flex;

  justify-content: space-between;

  gap: 30px;

  max-width: 1200px;

  margin: auto;
}


.footer-inner strong {
  font-size: 20px;
}


.footer-inner p {
  margin: 8px 0 0;

  color: var(--muted);

  font-size: 14px;
}


.footer-links {
  display: flex;

  gap: 20px;

  flex-wrap: wrap;

  align-items: center;
}


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

  font-size: 14px;
}


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


.copyright {
  max-width: 1200px;

  margin: 45px auto 0;

  padding-top: 20px;

  border-top: 1px solid var(--border);

  color: var(--muted);

  font-size: 12px;
}


@media (max-width: 700px) {

  .navbar {
    padding: 15px 20px;
  }


  .navbar nav a:not(.nav-button) {
    display: none;
  }


  .hero {
    min-height: 600px;

    padding: 80px 20px;
  }


  .hero h1 {
    letter-spacing: -2px;
  }


  .section {
    padding: 70px 20px;
  }


  .about-card {
    padding: 30px;
  }


  .support-card {
    flex-direction: column;

    align-items: flex-start;

    padding: 30px;
  }


  .footer-inner {
    flex-direction: column;
  }

}