* {
  box-sizing: border-box;
}

:root {
  --bg: #07040f;
  --bg-soft: #10051f;
  --card: rgba(22, 9, 42, 0.82);
  --stroke: rgba(188, 102, 255, 0.22);
  --text: #f8f6ff;
  --muted: #b9b0c8;
  --purple: #a614ff;
  --purple-light: #d655ff;
  --blue: #28a7ff;
  --shadow: 0 20px 80px rgba(87, 0, 161, 0.32);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 10%, rgba(114, 20, 255, .22), transparent 34%),
    radial-gradient(circle at 15% 40%, rgba(0, 145, 255, .14), transparent 30%),
    linear-gradient(180deg, #05020a 0%, #0a0314 50%, #05020a 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 32px 32px;
}

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

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

.page-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 12px 0 30px;
  padding: 14px 18px;
  border: 1px solid var(--stroke);
  border-radius: 18px;
  background: rgba(8, 3, 16, .78);
  box-shadow: 0 10px 40px rgba(0,0,0,.32);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -1px;
  font-size: 1.35rem;
}

.brand > span:last-child span,
.footer-brand span {
  color: var(--purple-light);
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 0 22px rgba(166,20,255,.52);
  font-style: normal;
}

.nav {
  display: flex;
  gap: 6px;
}

.nav a {
  padding: 10px 13px;
  color: var(--muted);
  border-radius: 10px;
  font-weight: 700;
  font-size: .9rem;
}

.nav a:hover {
  color: white;
  background: rgba(166,20,255,.12);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: white;
}

.hero {
  display: grid;
  grid-template-columns: 1fr .92fr;
  align-items: center;
  gap: 46px;
  padding: 38px 0 72px;
}

.eyebrow,
.section-heading span,
.panel-label {
  display: inline-block;
  color: #dd9cff;
  font-weight: 900;
  letter-spacing: .15em;
  font-size: .74rem;
}

.hero h1 {
  max-width: 700px;
  margin: 14px 0 18px;
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.hero p,
.feature-card p,
.info-panel p,
footer p,
.faq-list p {
  color: var(--muted);
  line-height: 1.75;
}

.hero p {
  max-width: 620px;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 14px;
  font-weight: 900;
  letter-spacing: .025em;
  transition: transform .2s ease, box-shadow .2s ease;
}

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

.button-primary {
  color: white;
  background: linear-gradient(135deg, #6811ff, #c31cff);
  box-shadow: 0 14px 34px rgba(166,20,255,.34), inset 0 1px rgba(255,255,255,.45);
}

.button-secondary {
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.045);
}

.compact {
  min-width: 180px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 22px;
  color: #d8d1e2;
  font-size: .86rem;
  font-weight: 700;
}

.hero-media {
  position: relative;
}

.hero-media img {
  position: relative;
  z-index: 2;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid rgba(226, 147, 255, .32);
  box-shadow: var(--shadow);
}

.media-glow {
  position: absolute;
  inset: 8%;
  background: #8d12ff;
  filter: blur(80px);
  opacity: .38;
}

.section {
  padding: 76px 0;
}

.section-heading {
  max-width: 650px;
  margin-bottom: 30px;
}

.section-heading h2,
.info-panel h2 {
  margin: 10px 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -.04em;
}

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

.feature-card,
.faq-list details {
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(34, 12, 61, .82), rgba(13, 6, 24, .88));
  box-shadow: 0 16px 48px rgba(0,0,0,.24);
}

.feature-card {
  min-height: 245px;
  padding: 28px;
  border-radius: 22px;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 34px;
  border-radius: 14px;
  color: white;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--purple));
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.info-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 30px 0;
  padding: 34px;
  border: 1px solid rgba(109, 176, 255, .22);
  border-radius: 26px;
  background:
    radial-gradient(circle at 100% 0, rgba(50, 148, 255, .18), transparent 32%),
    linear-gradient(135deg, rgba(40, 15, 74, .92), rgba(8, 5, 18, .92));
}

.info-panel p {
  max-width: 760px;
  margin-bottom: 0;
}

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

.faq-list details {
  padding: 0 20px;
  border-radius: 16px;
}

.faq-list summary {
  padding: 20px 0;
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin-top: 0;
  padding-bottom: 20px;
}

footer {
  margin: 30px 0 18px;
  padding: 34px 0 42px;
  text-align: center;
  border-top: 1px solid var(--stroke);
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin: 18px 0;
  color: #cfc6d8;
  font-size: .88rem;
}

footer small {
  color: #80778c;
}

@media (max-width: 820px) {
  .topbar {
    top: 8px;
  }

  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    padding: 12px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: rgba(8,3,16,.96);
  }

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

  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 20px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions,
  .trust-row {
    justify-content: center;
  }

  .hero-media {
    max-width: 590px;
    margin: 0 auto;
  }

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

  .info-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
  }

  .topbar {
    margin-top: 8px;
    padding: 11px 12px;
  }

  .brand {
    font-size: 1.12rem;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-media img {
    border-radius: 20px;
  }

  .section {
    padding: 56px 0;
  }

  .info-panel {
    padding: 24px;
  }
}