:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #1d4ed8;
  --line: #dbe3ee;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef3fb 0%, var(--bg) 100%);
}

.page {
  max-width: 980px;
  margin: 32px auto;
  padding: 0 20px 28px;
}

.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 34px;
}

.subtitle {
  margin: 8px 0 14px;
  font-size: 18px;
  color: #334155;
  font-weight: 600;
}

.summary {
  margin: 0 0 16px;
  max-width: 820px;
  line-height: 1.6;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  color: var(--muted);
  font-size: 14px;
}

.meta a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.meta a:hover {
  text-decoration: underline;
}

.card {
  margin-top: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

h2 {
  margin: 0 0 14px;
  font-size: 22px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.skill-item {
  border: 1px solid #d3def0;
  background: #f8fbff;
  color: #0f172a;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.cert-grid {
  display: grid;
  gap: 12px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid #d3def0;
  background: #f8fbff;
  border-radius: 12px;
  padding: 12px 14px;
}

.cert-item img {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
}

.cert-item h3 {
  margin: 0;
  font-size: 15px;
}

.cert-item p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

ul {
  margin: 0;
  padding-left: 20px;
  line-height: 1.65;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 0 20px 28px;
}

@media (max-width: 640px) {
  .page {
    margin-top: 18px;
  }

  .hero,
  .card {
    padding: 18px;
  }

  h1 {
    font-size: 28px;
  }
}