:root {
  --navy: #071526;
  --navy-2: #0a2948;
  --blue: #003a70;
  --green: #4ade80;
  --green-strong: #22c55e;
  --cyan: #06b6d4;
  --violet: #7c3aed;
  --ink: #102033;
  --muted: #627486;
  --line: #dbe7f0;
  --soft: #f4f8fb;
  --white: #ffffff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; background: var(--navy); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(74, 222, 128, 0.15), transparent 26%),
    radial-gradient(circle at 88% 10%, rgba(124, 58, 237, 0.18), transparent 28%),
    linear-gradient(150deg, #06101e 0%, #0a2440 54%, #07385b 100%);
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.hidden { display: none !important; }

.arvi-shell {
  width: min(100% - 24px, 980px);
  margin: 0 auto;
  padding: 22px 0 40px;
}

.hero-block,
.spotlight-card,
.section-block,
.principles-grid,
.site-footer {
  width: 100%;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  text-decoration: none;
}

.brand-name {
  color: var(--white);
  font-family: "Poppins", sans-serif;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-pill,
.status-badge,
.meta-chip,
.quick-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-pill {
  color: #062111;
  background: rgba(74, 222, 128, 0.96);
}

.hero-block {
  padding: 8px 0 24px;
}

.topline {
  display: flex;
  justify-content: flex-start;
}

.hero-copy {
  max-width: 760px;
  margin-top: 32px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: #92ecfc;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Poppins", sans-serif;
  font-size: clamp(36px, 8vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.hero-description {
  max-width: 700px;
  margin: 18px 0 0;
  color: #c8d9e9;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.65;
}

.spotlight-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
  margin: 0 0 24px;
  padding: 26px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.status-badge {
  color: #0d7036;
  background: #e6f9ec;
}

.spotlight-copy h2,
.section-heading h2,
.primary-card h3,
.quick-card h3 {
  font-family: "Poppins", sans-serif;
}

.spotlight-copy h2 {
  margin: 16px 0 10px;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.12;
}

.spotlight-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.button-primary {
  color: #062111;
  background: var(--green);
  box-shadow: 0 12px 28px rgba(34, 197, 94, 0.24);
}

.section-block {
  margin-bottom: 24px;
  padding: 28px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
}

.section-heading.compact {
  grid-template-columns: 1fr;
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.08;
}

.section-heading p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

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

.primary-card,
.quick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  border-radius: 22px;
  overflow: hidden;
}

.primary-card {
  min-height: 320px;
  padding: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f4f8fb 100%);
  border: 1px solid var(--line);
}

.primary-topline,
.quick-topline {
  height: 6px;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--violet));
}

.primary-icon,
.quick-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: #eef4f8;
  font-size: 24px;
}

.primary-card h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
}

.primary-card p,
.quick-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.primary-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-chip {
  color: #33506d;
  background: var(--white);
  border: 1px solid var(--line);
  letter-spacing: 0;
  text-transform: none;
  font-size: 12px;
  min-height: 34px;
}

.primary-cta,
.quick-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 800;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.quick-card {
  min-height: 188px;
  padding: 20px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.quick-status {
  align-self: flex-start;
  color: #5a3eaa;
  background: #f0ebff;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.principles-grid article {
  padding: 26px;
  background: rgba(6, 24, 43, 0.86);
  color: var(--white);
}

.principles-grid strong {
  display: block;
  margin-bottom: 10px;
  font-family: "Poppins", sans-serif;
  font-size: 18px;
}

.principles-grid p {
  margin: 0;
  color: #bfd0df;
  line-height: 1.62;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
  padding: 20px 6px 0;
  color: #d2e0ec;
}

.footer-copy strong {
  display: block;
  font-family: "Poppins", sans-serif;
  font-size: 18px;
  color: var(--white);
}

.footer-copy p {
  margin: 6px 0 0;
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links a {
  color: #d9e7f3;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 860px) {
  .section-heading,
  .spotlight-card,
  .primary-grid,
  .quick-grid,
  .principles-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }

  .spotlight-card {
    padding: 22px;
  }
}

@media (max-width: 640px) {
  .arvi-shell {
    width: min(100% - 16px, 980px);
    padding: 16px 0 28px;
  }

  .hero-block {
    padding: 4px 0 20px;
  }

  .hero-copy {
    margin-top: 24px;
  }

  .hero-copy h1 {
    font-size: 40px;
  }

  .hero-description {
    font-size: 15px;
  }

  .spotlight-card,
  .section-block {
    padding: 18px;
    border-radius: 20px;
  }

  .section-heading h2,
  .spotlight-copy h2 {
    font-size: 29px;
  }

  .primary-card {
    min-height: 280px;
    padding: 18px;
  }

  .primary-card h3 {
    font-size: 24px;
  }

  .quick-card {
    min-height: 170px;
    padding: 16px;
  }

  .principles-grid article {
    padding: 20px;
  }

  .site-footer {
    padding: 14px 4px 0;
  }
}