:root {
  --bg: #0f0b18;
  --surface: #17122a;
  --text: #e8e6f0;
  --muted: #bdb9cf;
  --primary: #7c3aed; /* purple */
  --primary-900: #5b21b6;
  --accent: #c084fc;
  --ring: rgba(124, 58, 237, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  background: radial-gradient(1200px 600px at 20% -20%, rgba(124,58,237,0.35), transparent 50%),
              radial-gradient(800px 400px at 120% 20%, rgba(192,132,252,0.25), transparent 50%),
              var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(180%) blur(12px);
  background: rgba(15, 11, 24, 0.65);
  border-bottom: 1px solid rgba(124, 58, 237, 0.25);
  z-index: 10;
  padding: 8px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-text {
  display: grid;
}
.brand-title {
  font-weight: 800;
  letter-spacing: 0.2px;
}
.brand-subtitle {
  font-size: 12px;
  color: var(--muted);
}
.avatar {
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--surface), 0 0 0 6px var(--ring);
  margin-block: 6px;
}
.avatar.small {
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--ring);
}
.nav {
  display: flex;
  gap: 18px;
}
.nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
}
.nav a:hover {
  background: rgba(124,58,237,0.15);
  text-decoration: none;
}

/* Hero */
.hero {
  position: relative;
  padding: 80px 0 48px;
  background: radial-gradient(700px 320px at 10% -10%, rgba(124,58,237,0.25), transparent 60%),
              radial-gradient(700px 320px at 110% 10%, rgba(192,132,252,0.18), transparent 60%),
              var(--bg);
  border-bottom: 1px solid rgba(124, 58, 237, 0.25);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.12);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}
.hero-title {
  font-size: 40px;
  line-height: 1.1;
  margin: 0 0 14px;
}
.hero-desc {
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 18px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 22px;
}
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--primary));
  color: white;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.45);
}
.btn-outline {
  border: 1px solid rgba(124, 58, 237, 0.5);
  color: var(--text);
  background: transparent;
}
.tech-stack .label {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}
.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.stack-list li {
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(124, 58, 237, 0.15);
  color: var(--text);
  border: 1px solid rgba(124, 58, 237, 0.25);
}
.hero-media .banner {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(124, 58, 237, 0.35);
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.25);
}

/* Sections */
.section {
  padding: 28px 0 54px;
}
.section.alt {
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.08), transparent 40%);
}
.section-header h2 {
  margin: 0 0 6px;
  font-size: 26px;
}
.section-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 18px;
}
.devto-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid rgba(124,58,237,0.35);
  background: linear-gradient(180deg, rgba(124,58,237,0.12), rgba(124,58,237,0.06));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.devto-callout h3 {
  margin: 0 0 6px;
  font-size: 20px;
}
.devto-callout p {
  margin: 0;
  color: var(--muted);
}
@media (max-width: 640px) {
  .devto-callout {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Grid cards */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
  display: grid;
  gap: 10px;
}
.card:hover {
  border-color: rgba(192, 132, 252, 0.6);
}
.card-title {
  font-weight: 700;
  margin: 0;
}
.card-desc {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  padding: 4px 8px;
  border: 1px dashed rgba(124, 58, 237, 0.35);
  border-radius: 999px;
  font-size: 11px;
  color: var(--text);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(124, 58, 237, 0.25);
  padding: 20px 0;
  background: rgba(23, 18, 42, 0.6);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-right {
  display: flex;
  gap: 12px;
}

/* Responsive */
@media (max-width: 980px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
}