:root {
  --bg: #f4f4f5;
  --card: #ffffff;
  --text: #18181b;
  --muted: #71717a;
  --border: #e4e4e7;
  --primary: #111111;
  --primary-soft: #27272a;
  --accent: #16a34a;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.10);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(22, 163, 74, 0.16), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(124, 58, 237, 0.12), transparent 28rem),
    var(--bg);
  line-height: 1.6;
}

.page-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--primary);
  color: white;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  backdrop-filter: blur(10px);
}

.back-link:hover {
  background: white;
  border-color: #d4d4d8;
}

.card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  padding: 42px 42px 30px;
  color: white;
  background:
    linear-gradient(135deg, rgba(17, 17, 17, 0.98), rgba(39, 39, 42, 0.94)),
    radial-gradient(circle at top right, rgba(22, 163, 74, 0.55), transparent 20rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.hero p {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.content {
  padding: 34px 42px 42px;
}

.section {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.section:first-child {
  padding-top: 0;
}

.section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

h2 {
  margin: 0 0 10px;
  font-size: 19px;
  letter-spacing: -0.03em;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

p + p {
  margin-top: 12px;
}

.contact-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid #bbf7d0;
  border-radius: 18px;
  background: #f0fdf4;
}

.contact-box strong {
  color: #166534;
}

.email-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.footer-copyright {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  text-align: center;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 920px);
    padding: 18px 0;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .content {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero {
    padding-top: 32px;
  }

  .back-link {
    width: 100%;
  }

  .contact-box {
    align-items: stretch;
    flex-direction: column;
  }
}