/* --- Reset & base --- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body, h1, p, ul { margin: 0; padding: 0; }
:root {
  --bg: #f5f7fa;
  --text: #222;
  --muted: #666;
  --border: #e6e8ec;
  --accent: #2f6feb;
  --accent-weak: #eaf0ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --text: #e7e9ee;
    --muted: #a5adba;
    --border: #242833;
    --accent: #6ea8ff;
    --accent-weak: #14213d;
  }
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, rgba(47,111,235,0.08), transparent 50%), var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: grid;
  place-items: center;
  padding: 24px;
}

/* --- Card layout --- */
.card {
  width: 100%;
  max-width: 720px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
  padding: 28px 24px 22px;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  .card { background: #0f1218; }
}

/* --- Hero section --- */
.hero { margin-bottom: 18px; }

.logo-wrap {
  width: 96px;
  height: 96px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.logo {
  width: 76%;
  height: auto;
  display: block;
}

h1 {
  font-size: 1.9rem;
  letter-spacing: 0.2px;
  margin-bottom: 4px;
}

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
}

/* --- About text --- */
.about { margin: 16px auto 22px; }
.about p { max-width: 48ch; margin: 0 auto; }

/* --- Skills list --- */
.skills {
  margin: 20px auto 28px;
  text-align: left;
}
.skills h2 {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.skills ul {
  list-style: none;
  padding: 0;
  max-width: 500px;
  margin: 0 auto;
}
.skills li {
  margin: 6px 0;
  padding-left: 18px;
  position: relative;
}
.skills li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* --- Actions (buttons) --- */
.actions {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  max-width: 560px;
  margin: 0 auto 16px;
}

@media (min-width: 560px) {
  .actions { grid-template-columns: repeat(3, 1fr); }
}

.btn {
  display: inline-block;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: transform .06s ease, background .15s ease, border-color .15s ease;
  color: var(--text);
  background: transparent;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(0,0,0,0.02);
}

.primary {
  border-color: var(--accent);
}

.primary:hover {
  background: var(--accent-weak);
}

/* --- Footer --- */
footer {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}