:root {
  color-scheme: dark;

  --bg: #070a0f;
  --bg-soft: #0d121a;
  --panel: #111822;
  --panel-strong: #151e2a;
  --border: #263241;

  --text: #f5f7fa;
  --muted: #a7b0bd;
  --faint: #758191;

  --accent: #62b4ff;
  --accent-strong: #8dccff;
  --accent-glow: rgba(98, 180, 255, 0.18);

  --success: #71d6a2;

  --max-width: 1180px;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow:
    0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  background:
    radial-gradient(
      circle at 75% 0%,
      rgba(49, 116, 173, 0.18),
      transparent 34rem
    ),
    linear-gradient(
      180deg,
      #080b11 0%,
      var(--bg) 45%,
      #080b11 100%
    );

  color: var(--text);

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

  line-height: 1.65;

  min-height: 100vh;
}

a {
  color: inherit;
}

.container {
  width:
    min(
      calc(100% - 40px),
      var(--max-width)
    );

  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;

  border-bottom:
    1px solid rgba(255, 255, 255, 0.07);

  background:
    rgba(7, 10, 15, 0.82);

  backdrop-filter:
    blur(18px);
}

.header-inner {
  min-height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 28px;
}

.brand {
  text-decoration: none;

  font-size: 1rem;
  font-weight: 750;
  letter-spacing: 0.02em;

  white-space: nowrap;
}

.header-inner nav {
  display: flex;
  align-items: center;

  gap: 26px;
}

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

  text-decoration: none;

  font-size: 0.92rem;
  font-weight: 550;

  transition:
    color 140ms ease;
}

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

.hero {
  position: relative;

  min-height: 690px;

  display: flex;
  align-items: center;

  overflow: hidden;

  border-bottom:
    1px solid rgba(255, 255, 255, 0.07);
}

.hero::before {
  content: "";

  position: absolute;

  width: 620px;
  height: 620px;

  right: -180px;
  top: -210px;

  border-radius: 50%;

  background:
    radial-gradient(
      circle,
      var(--accent-glow),
      transparent 68%
    );

  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;

  padding-block: 100px;
}

.eyebrow,
.section-label,
.pricing-label {
  margin: 0 0 18px;

  color: var(--accent-strong);

  font-size: 0.76rem;
  font-weight: 800;

  letter-spacing: 0.16em;
}

.hero h1 {
  max-width: 850px;

  margin:
    0 0 26px;

  font-size:
    clamp(
      3rem,
      7vw,
      6.5rem
    );

  line-height: 0.98;

  letter-spacing: -0.055em;

  font-weight: 760;
}

.hero-copy {
  max-width: 690px;

  margin:
    0 0 36px;

  color: var(--muted);

  font-size:
    clamp(
      1.05rem,
      2vw,
      1.28rem
    );
}

.button {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  min-height: 52px;

  padding:
    0 24px;

  border:
    1px solid rgba(141, 204, 255, 0.5);

  border-radius:
    var(--radius-sm);

  background:
    linear-gradient(
      180deg,
      #73beff,
      #4399e4
    );

  color: #04101b;

  text-decoration: none;

  font-weight: 750;

  box-shadow:
    0 14px 42px rgba(67, 153, 228, 0.22);

  transition:
    transform 150ms ease,
    box-shadow 150ms ease;
}

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

  box-shadow:
    0 18px 48px rgba(67, 153, 228, 0.3);
}

.section {
  padding:
    110px 0;

  border-bottom:
    1px solid rgba(255, 255, 255, 0.06);
}

.section h2 {
  max-width: 780px;

  margin:
    0 0 34px;

  font-size:
    clamp(
      2rem,
      4vw,
      3.7rem
    );

  line-height: 1.08;

  letter-spacing: -0.04em;
}

.section p {
  color: var(--muted);

  font-size: 1.05rem;
}

.cards {
  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 18px;

  margin-top: 48px;
}

.card {
  min-height: 220px;

  padding: 30px;

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

  border-radius:
    var(--radius-md);

  background:
    linear-gradient(
      180deg,
      rgba(21, 30, 42, 0.95),
      rgba(13, 18, 26, 0.95)
    );

  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.12);
}

.card h3 {
  margin:
    0 0 14px;

  font-size: 1.25rem;
}

.card p {
  margin: 0;

  color: var(--muted);
}

.product-section {
  background:
    linear-gradient(
      180deg,
      rgba(16, 23, 33, 0.9),
      rgba(8, 12, 18, 0.95)
    );
}

.product-grid {
  display: grid;

  grid-template-columns:
    minmax(0, 1.3fr)
    minmax(300px, 0.7fr);

  gap: 72px;

  align-items: center;
}

.product-grid > div > p {
  max-width: 680px;
}

.pricing-card {
  padding: 34px;

  border:
    1px solid rgba(98, 180, 255, 0.27);

  border-radius:
    var(--radius-lg);

  background:
    linear-gradient(
      145deg,
      rgba(21, 30, 42, 0.98),
      rgba(10, 15, 23, 0.98)
    );

  box-shadow:
    var(--shadow);
}

.price {
  margin:
    8px 0 28px;

  color: var(--text) !important;

  font-size: 3.6rem !important;

  line-height: 1;

  font-weight: 760;

  letter-spacing: -0.05em;
}

.price span {
  color: var(--muted);

  font-size: 1rem;

  font-weight: 500;

  letter-spacing: normal;
}

.pricing-card ul {
  list-style: none;

  padding: 0;
  margin:
    30px 0 0;
}

.pricing-card li {
  position: relative;

  padding:
    13px 0
    13px 30px;

  border-top:
    1px solid rgba(255, 255, 255, 0.07);

  color: var(--muted);
}

.pricing-card li::before {
  content: "✓";

  position: absolute;
  left: 4px;

  color: var(--success);

  font-weight: 800;
}

.contact-section p {
  max-width: 680px;
}

.site-footer {
  padding:
    42px 0;

  background:
    #05070a;
}

.footer-inner {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 30px;
}

.footer-inner p {
  margin: 0;

  color: var(--faint);

  font-size: 0.88rem;
}

.footer-inner nav {
  display: flex;

  flex-wrap: wrap;

  gap:
    14px 24px;
}

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

  text-decoration: none;

  font-size: 0.88rem;
}

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

@media (max-width: 850px) {
  .header-inner {
    min-height: 68px;
  }

  .header-inner nav {
    display: none;
  }

  .hero {
    min-height: 590px;
  }

  .hero-inner {
    padding-block:
      80px;
  }

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

  .product-grid {
    grid-template-columns:
      1fr;

    gap: 42px;
  }

  .footer-inner {
    align-items: flex-start;

    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .container {
    width:
      min(
        calc(100% - 28px),
        var(--max-width)
      );
  }

  .section {
    padding:
      82px 0;
  }

  .hero h1 {
    font-size:
      clamp(
        2.8rem,
        16vw,
        4.5rem
      );
  }

  .pricing-card {
    padding: 26px;
  }
}

.legal-page {
  max-width: 900px;

  padding-top: 20px;
  padding-bottom: 40px;
}

.legal-page h1 {
  margin:
    0 0 18px;

  font-size:
    clamp(
      2.8rem,
      6vw,
      5rem
    );

  line-height: 1;

  letter-spacing: -0.05em;
}

.legal-page > p:first-of-type {
  color: var(--faint);

  font-size: 0.94rem;
}

.legal-page h2 {
  margin:
    54px 0 16px;

  padding-top: 8px;

  font-size:
    clamp(
      1.45rem,
      3vw,
      2rem
    );

  letter-spacing: -0.025em;
}

.legal-page p {
  max-width: 780px;

  margin:
    0 0 18px;

  color: var(--muted);

  font-size: 1.02rem;
}

.legal-page h2::before {
  content: "";

  display: block;

  width: 42px;
  height: 2px;

  margin-bottom: 18px;

  background:
    linear-gradient(
      90deg,
      var(--accent),
      transparent
    );
}

@media (max-width: 560px) {
  .legal-page h2 {
    margin-top: 42px;
  }
}