:root {
  --bg: #f6f9ff;
  --card: #ffffff;
  --text: #0b1f3a;
  --muted: #50627f;
  --accent: #1e66f5;
  --accent-2: #22c3ff;
  --border: #d8e5fb;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(34, 195, 255, .16) 0%, transparent 65%),
    radial-gradient(900px 500px at -10% 0%, rgba(30, 102, 245, .12) 0%, transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1100px, 94vw);
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
}

.single-screen {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.25rem;
  align-items: center;
  background: color-mix(in srgb, var(--card) 94%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 16px 40px rgba(11, 31, 58, .06);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
  font-size: .82rem;
}

h1 { margin: .35rem 0 .5rem; font-size: clamp(1.6rem, 3.3vw, 2.4rem); }
.lead { margin: 0 0 .8rem; color: var(--muted); }

.skills {
  margin: 0;
  padding-left: 1.1rem;
  color: #203554;
  font-size: .96rem;
}

.cta-row {
  margin-top: 1rem;
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: .58rem .9rem;
  border-radius: 10px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(30, 102, 245, .18);
}

.btn.btn-light {
  background: #ffffff;
  color: var(--text);
  border-color: var(--border);
}

.hero-image {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(11, 31, 58, .12));
}

.legal {
  background: color-mix(in srgb, var(--card) 95%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .75rem 1rem;
  font-size: .9rem;
  box-shadow: 0 10px 28px rgba(11, 31, 58, .04);
}

details + details { margin-top: .5rem; }
summary { cursor: pointer; font-weight: 700; }
.legal-note { margin: .7rem 0 0; color: #7b8da8; font-size: .8rem; }

.refs-page { padding-top: 1.6rem; }
.refs-header { margin-bottom: 1rem; }
.refs-header .back { display: inline-block; margin-bottom: .6rem; }
.refs-header p { color: var(--muted); margin-top: .3rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
}

.card {
  background: color-mix(in srgb, var(--card) 96%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .7rem;
  box-shadow: 0 12px 28px rgba(11, 31, 58, .05);
}
.card img { width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.card h2 { font-size: 1rem; margin: .6rem 0 .35rem; }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
}