:root {
  color-scheme: dark;
  --bg: #041015;
  --bg-2: #071821;
  --ink: #f7fbff;
  --muted: #a9bcc6;
  --line: rgba(132, 214, 238, 0.22);
  --cyan: #15d8ff;
  --lime: #b5f339;
  --red: #ff3b18;
  --red-2: #ff6c2f;
  --white: #f4f6f4;
  --dark-card: rgba(6, 19, 26, 0.86);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  font-family: Inter, Manrope, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 68%);
  z-index: -2;
}

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

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

.page {
  overflow: hidden;
}

.site-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 20;
}

.site-header.is-fixed {
  position: sticky;
  top: 0;
  background: rgba(4, 16, 21, 0.88);
  border-bottom: 1px solid rgba(132, 214, 238, 0.16);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(1160px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
  box-shadow: 0 0 28px rgba(21, 216, 255, 0.34);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  color: #dbe8ee;
  font-size: 14px;
  font-weight: 750;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--cyan);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--red), var(--red-2));
  color: #fff;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 18px 38px rgba(255, 59, 24, 0.25);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 48px rgba(255, 59, 24, 0.34);
  filter: saturate(1.08);
}

.cta:focus-visible,
.nav-links a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(21, 216, 255, 0.68);
  outline-offset: 4px;
}

.cta-arrow {
  width: 18px;
  height: 18px;
  margin-left: 14px;
}

.hero {
  position: relative;
  min-height: 100svh;
  isolation: isolate;
  background:
    radial-gradient(circle at 75% 48%, rgba(21, 216, 255, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(4, 16, 21, 0.98), rgba(4, 16, 21, 0.9));
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.9;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 16, 21, 0.9) 0%, rgba(4, 16, 21, 0.56) 48%, rgba(4, 16, 21, 0.24) 100%),
    linear-gradient(180deg, rgba(4, 16, 21, 0.08) 0%, rgba(4, 16, 21, 0.5) 64%, rgba(4, 16, 21, 0.92) 100%);
  z-index: -1;
}

.hero-inner {
  width: min(1160px, calc(100% - 32px));
  min-height: 100svh;
  margin: 0 auto;
  padding: 132px 0 110px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.9fr);
  align-items: center;
  gap: 44px;
}

.hero-copy {
  max-width: 650px;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(64px, 10vw, 136px);
  line-height: 0.88;
  font-weight: 950;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.hero-lead {
  margin: 28px 0 36px;
  max-width: 560px;
  color: #f2f7fa;
  font-size: clamp(20px, 2.3vw, 30px);
  line-height: 1.3;
  font-weight: 650;
}

.hero .cta {
  min-width: 220px;
  min-height: 64px;
  padding-inline: 34px;
  font-size: 22px;
}

.hero-art {
  align-self: stretch;
  min-height: 390px;
}

.below-peek {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 62px;
  background: var(--white);
  clip-path: polygon(0 58%, 100% 0, 100% 100%, 0 100%);
}

.section {
  position: relative;
  padding: 96px 0;
}

.section.light {
  background: var(--white);
  color: #071015;
}

.section.dark {
  background:
    linear-gradient(180deg, rgba(5, 20, 28, 1), rgba(3, 12, 17, 1));
  color: var(--ink);
}

.section-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 56px;
  align-items: center;
}

.section h2,
.page-hero h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0;
  text-wrap: balance;
}

.section h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.15;
  font-weight: 900;
}

.section p {
  margin: 18px 0 0;
  color: inherit;
}

.muted {
  color: #5e737d;
}

.dark .muted,
.page-hero .muted {
  color: var(--muted);
}

.visual-token {
  width: min(260px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(21, 216, 255, 0.24);
  border-radius: 8px;
  background: #06141b;
  box-shadow: var(--shadow);
}

.visual-token img {
  width: min(192px, 76%);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card,
.rule-card,
.step-card,
.faq-card,
.text-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--dark-card);
  box-shadow: var(--shadow);
}

.feature-card {
  min-height: 252px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.feature-card img,
.rule-card img,
.step-card img {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  object-fit: cover;
}

.feature-card p,
.rule-card p,
.step-card p,
.faq-card p {
  margin: 0;
  color: var(--muted);
}

.step-card p {
  color: #536a74;
}

.feature-line {
  width: 100%;
  height: 3px;
  margin-top: auto;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.feature-card:nth-child(2) .feature-line {
  background: linear-gradient(90deg, var(--lime), transparent);
}

.feature-card:nth-child(3) .feature-line {
  background: linear-gradient(90deg, var(--red), transparent);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step-card {
  min-height: 224px;
  padding: 28px;
  background: #f9fbfa;
  color: #071015;
  border-color: rgba(7, 16, 21, 0.16);
  box-shadow: 0 18px 48px rgba(7, 16, 21, 0.1);
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  color: var(--cyan);
  font-weight: 900;
}

.step-card:nth-child(2) .step-number {
  border-color: var(--lime);
  color: #78a90b;
}

.step-card:nth-child(3) .step-number {
  border-color: var(--red);
  color: var(--red);
}

.report-list {
  display: grid;
  gap: 14px;
}

.report-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 18px;
  min-height: 94px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.034);
}

.report-row img {
  width: 50px;
  height: 50px;
  border-radius: 8px;
}

.report-row p {
  margin: 6px 0 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.036);
}

summary {
  min-height: 58px;
  padding: 17px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  font-weight: 850;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 22px;
  font-weight: 900;
}

details[open] summary::after {
  content: "-";
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 34px;
  border: 1px solid rgba(255, 59, 24, 0.44);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 59, 24, 0.12), transparent 58%),
    rgba(6, 19, 26, 0.88);
}

.cta-band h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.page-hero {
  position: relative;
  padding: 150px 0 86px;
  background:
    linear-gradient(90deg, rgba(4, 16, 21, 0.96), rgba(4, 16, 21, 0.78)),
    image-set(url("hero-radar.webp?v=20260617p") type("image/webp"), url("hero-radar-1600.png") type("image/png"));
  background-size: cover;
  background-position: center;
}

.page-hero .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.58fr);
  gap: 48px;
  align-items: center;
}

.page-hero p {
  max-width: 640px;
  font-size: 20px;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(132, 214, 238, 0.32);
  border-radius: 6px;
  color: #dff6ff;
  font-weight: 850;
}

.text-panel {
  padding: 30px;
}

.text-panel h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.rule-card {
  min-height: 196px;
  padding: 24px;
}

.rule-card h3 {
  margin-top: 18px;
}

.site-footer {
  background: #030c11;
  border-top: 1px solid rgba(132, 214, 238, 0.18);
  color: #c8d8df;
}

.footer-inner {
  width: min(1160px, calc(100% - 32px));
  min-height: 108px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
}

.footer-note {
  margin: 4px 0 0;
  color: #84a0ab;
  font-size: 13px;
}

.mobile-only {
  display: none;
}

@media (max-width: 900px) {
  .nav-shell {
    min-height: 68px;
    gap: 14px;
  }

  .nav-links {
    display: none;
  }

  .hero-inner,
  .page-hero .section-inner,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding: 104px 0 96px;
    align-items: center;
  }

  .hero h1 {
    font-size: clamp(58px, 19vw, 104px);
  }

  .hero-lead {
    font-size: 20px;
  }

  .hero-art {
    display: none;
  }

  .card-grid,
  .steps,
  .two-col {
    grid-template-columns: 1fr;
  }

  .cta-band {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    min-height: 150px;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    padding: 28px 0;
  }
}

@media (max-width: 560px) {
  .nav-shell,
  .section-inner,
  .footer-inner,
  .hero-inner {
    width: min(100% - 24px, 1160px);
  }

  .brand {
    font-size: 18px;
  }

  .site-header .cta {
    min-height: 42px;
    padding-inline: 14px;
    font-size: 14px;
  }

  .hero {
    background:
      linear-gradient(180deg, rgba(4, 16, 21, 0.96), rgba(4, 16, 21, 0.9));
  }

  .hero-media {
    height: 100%;
    object-position: 58% center;
  }

  .hero::after {
    background:
      linear-gradient(180deg, rgba(4, 16, 21, 0.3), rgba(4, 16, 21, 0.72) 68%, rgba(4, 16, 21, 0.94) 100%);
  }

  .hero-inner {
    min-height: 100svh;
  }

  .hero h1 {
    font-size: clamp(54px, 21vw, 82px);
  }

  .hero-lead {
    max-width: 320px;
    font-size: 18px;
  }

  .hero .cta {
    width: 100%;
    min-height: 58px;
    font-size: 20px;
  }

  .site-header .nav-shell > .cta {
    display: none;
  }

  .section {
    padding: 70px 0;
  }

  .page-hero {
    padding: 118px 0 70px;
  }

  .feature-card,
  .step-card,
  .text-panel,
  .cta-band {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
