:root {
  color-scheme: dark;
  --bg: #000000;
  --bg-muted: #121212;
  --surface: #0a0a0a;
  --surface-soft: #151515;
  --border: #1f1f1f;
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --accent: #ffffff;
  --accent-foreground: #000000;
  --ring: #4d65ff;
  font-family: "SF Pro Display", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg);
  color: var(--text);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(120% 140% at 50% -20%, rgba(42, 42, 42, 0.6), rgba(0, 0, 0, 0.95));
  display: flex;
  flex-direction: column;
  letter-spacing: -0.01em;
}

a {
  color: inherit;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(24px, 5vw, 56px);
  position: sticky;
  top: 12px;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  width: min(1180px, 100%);
  margin: 0 auto clamp(20px, 5vw, 40px);
  z-index: 10;
}

.nav__brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  transition: opacity 0.2s ease;
}

.nav__brand:hover {
  opacity: 0.8;
}

.nav__brand img {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6rem;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 80px) clamp(24px, 5vw, 56px) clamp(64px, 9vw, 104px);
}

.page {
  flex: 1;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: 5rem 5vw 6rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.page__heading h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  margin: 0 0 0.6rem;
  letter-spacing: -0.03em;
}

.page__heading p {
  margin: 0;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.policy {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.policy h2 {
  color: var(--text);
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.policy section {
  background: rgba(15, 15, 15, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 26px;
  padding: clamp(28px, 3vw, 36px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
}

.policy p {
  margin: 0.5rem 0 0;
}

.policy strong {
  color: var(--text);
  font-weight: 700;
}

.policy ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
}

.policy a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-decoration-thickness: 1px;
}

.policy a:hover {
  text-decoration-color: rgba(255, 255, 255, 0.9);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: 3rem;
}

.hero__content h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

.hero__lead {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero__note {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(18, 18, 18, 0.85);
  color: var(--text-muted);
  max-width: 520px;
  margin-top: 2rem;
}

.hero__note div {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1.5;
}

.hero__note strong {
  display: block;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.hero__note-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #38bdf8);
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.8);
}

.hero__visual {
  text-align: center;
  position: relative;
  padding: 1.5rem;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.6);
}

.hero__visual img {
  width: min(100%, 520px);
  border-radius: 20px;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.65));
}

.section {
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}

.section h2 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section__lead {
  color: var(--text-muted);
  max-width: 620px;
  margin: 0.75rem auto 2.5rem;
  line-height: 1.7;
}

.section--cta {
  background: linear-gradient(145deg, rgba(24, 24, 24, 0.95), rgba(10, 10, 10, 0.92));
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: clamp(40px, 6vw, 64px) clamp(24px, 6vw, 64px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.65);
}

.section--cta h2 {
  margin-bottom: 1.2rem;
}

.section--cta .section__lead {
  margin-bottom: 0;
  color: rgba(229, 231, 235, 0.8);
}

.section--alt {
  position: relative;
  background: linear-gradient(140deg, rgba(12, 12, 12, 0.95), rgba(24, 24, 24, 0.92));
  padding: clamp(44px, 7vw, 72px) clamp(24px, 5vw, 48px);
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.65);
  overflow: hidden;
}

.section--alt::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(100% 70% at 50% 0%, rgba(77, 101, 255, 0.18), transparent 70%);
  opacity: 0.7;
}

.section--alt > * {
  position: relative;
  z-index: 1;
}

.feature-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
  background: var(--surface);
  border-radius: 24px;
  padding: 2.2rem;
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  text-align: left;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65);
}

.feature-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.feature-card h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  text-align: left;
}

.workflow__step {
  padding: 2rem;
  background: rgba(12, 12, 12, 0.75);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(16px);
}

.workflow__step h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.workflow__step p {
  color: var(--text-muted);
  line-height: 1.6;
}

.workflow__badge {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #9333ea, #2563eb);
  color: #fff;
  font-weight: 700;
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 5vw 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.95);
  width: min(1180px, 100%);
  margin: 0 auto;
  border-radius: 28px 28px 0 0;
}

.footer__brand {
  justify-content: center;
  margin: 0 auto;
  color: var(--text);
}

.footer__copy {
  margin: 0;
  font-size: 0.9rem;
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.footer__copy a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 2px;
}

.footer__copy a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
  .nav {
    width: calc(100% - 32px);
    margin: 0 16px 28px;
    padding: 1rem 20px;
    border-radius: 18px;
  }

  main {
    width: 100%;
    padding: 3.5rem 24px 4.5rem;
    gap: 4rem;
  }

  .hero {
    gap: 2.5rem;
  }

  .hero__visual {
    padding: 1rem;
  }

  .section--alt {
    padding: 3rem 24px;
  }

  .footer {
    width: 100%;
    margin: 0;
    padding: 2rem 24px 3rem;
  }

  .page {
    padding: 3.5rem 24px 4.5rem;
  }
}