:root {
  --bg-start: #050308;
  --bg-mid: #0b0614;
  --bg-end: #13091f;
  --surface: rgba(13, 8, 28, 0.82);
  --border: rgba(255, 255, 255, 0.12);
  --soft-glow-top: rgba(255, 215, 0, 0.2);
  --soft-glow-bottom: rgba(96, 165, 250, 0.25);
  --text-main: #e5e7eb;
  --text-strong: #f9fafb;
  --text-muted: #9ca3af;
  --chip-bg: rgba(17, 24, 39, 0.85);
  --chip-border: rgba(249, 250, 251, 0.16);
  --accent: #fbbf24;
  --accent-soft: rgba(251, 191, 36, 0.16);
  --accent-soft-hover: rgba(251, 191, 36, 0.24);
  --card-radius: 28px;
  --shadow-strong: 0 28px 60px rgba(0, 0, 0, 0.75);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top left, #1f2933 0, #02010b 55%)
    fixed;
}

body {
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  padding: 32px 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(
        circle at top left,
        rgba(148, 163, 184, 0.12),
        transparent 55%
      ),
    radial-gradient(
        circle at bottom right,
        rgba(56, 189, 248, 0.16),
        transparent 55%
      ),
    linear-gradient(145deg, var(--bg-start), var(--bg-mid), var(--bg-end));
}

/* card */

.card {
  position: relative;
  width: 100%;
  max-width: 720px;
  padding: 28px 22px 26px;
  border-radius: var(--card-radius);
  border: 1px solid var(--border);
  background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.08),
      rgba(15, 23, 42, 0.68)
    ),
    var(--surface);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

/* glow */

.card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: radial-gradient(circle at top, var(--soft-glow-top), transparent),
    radial-gradient(circle at bottom, var(--soft-glow-bottom), transparent);
  opacity: 0.7;
  mix-blend-mode: screen;
  pointer-events: none;
}

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

/* chip */

.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  margin-right: 8px;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
}

/* headings */

.title {
  margin: 18px 0 0;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-strong);
}

.title-sub {
  display: block;
  margin-top: 6px;
  font-weight: 400;
  font-size: 20px;
  color: var(--text-main);
}

.body-text {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
}

.strong {
  color: var(--text-strong);
  font-weight: 600;
}

/* pillars */

.pillars {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.pillar {
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: radial-gradient(
      circle at top left,
      rgba(248, 250, 252, 0.12),
      transparent
    ),
    rgba(15, 23, 42, 0.9);
}

.pillar-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(156, 163, 175, 0.9);
}

.pillar-body {
  margin-top: 5px;
  font-size: 12px;
  color: var(--text-main);
}

/* CTA */

.cta-block {
  margin-top: 18px;
}

.cta-copy {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-main);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.8);
  background: linear-gradient(
    135deg,
    var(--accent-soft),
    rgba(234, 179, 8, 0.08)
  );
  color: #fefce8;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease,
    transform 120ms ease, box-shadow 120ms ease;
  box-shadow: 0 14px 40px rgba(251, 191, 36, 0.28);
}

.cta-button:hover {
  background: var(--accent-soft-hover);
  border-color: #fde68a;
  transform: translateY(-1px);
  box-shadow: 0 18px 45px rgba(251, 191, 36, 0.35);
}

.cta-button:active {
  transform: translateY(0);
  box-shadow: 0 10px 28px rgba(251, 191, 36, 0.22);
}

.cta-footnote {
  margin: 8px 0 0;
  font-size: 11px;
  color: var(--text-muted);
}

/* footer */

.footer {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* responsive */

@media (min-width: 640px) {
  .page {
    padding: 48px 20px 32px;
  }

  .card {
    padding: 30px 26px 28px;
  }

  .title {
    font-size: 32px;
  }

  .title-sub {
    font-size: 22px;
  }

  .body-text {
    font-size: 15px;
  }

  .pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .pillar {
    padding: 12px 14px;
  }

  .pillar-body {
    font-size: 13px;
  }

  .cta-copy {
    font-size: 14px;
  }

  .cta-button {
    font-size: 14px;
    padding-inline: 22px;
  }
}