/* DeFi Dojo — shared styles */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #0a0d10;
  --bg-elevated: #10151a;
  --bg-card: #131a1f;
  --border: #22303a;
  --border-soft: #1a242b;
  --text: #e7f3ee;
  --text-dim: #93a8ac;
  --text-faint: #5f7478;

  --green: #2fe6a0;
  --green-dim: #1b8f66;
  --purple: #a06bff;
  --purple-dim: #6f43c0;

  --gradient: linear-gradient(120deg, var(--green) 0%, var(--purple) 100%);
  --glow-green: 0 0 24px rgba(47, 230, 160, 0.25);
  --glow-purple: 0 0 24px rgba(160, 107, 255, 0.25);

  --font-head: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;
  --font-body: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;

  --radius: 12px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% -10%, rgba(160, 107, 255, 0.14), transparent 45%),
    radial-gradient(circle at 88% 0%, rgba(47, 230, 160, 0.12), transparent 40%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

img, svg { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 13, 16, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  color: #06110c;
  flex: none;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

nav.main-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  transition: color .15s ease, background-color .15s ease;
}

nav.main-nav a:hover { color: var(--text); background: var(--bg-elevated); }
nav.main-nav a.active { color: var(--green); background: rgba(47, 230, 160, 0.08); }

.header-right { display: flex; align-items: center; gap: 12px; }

/* ---------- Wallet widget ---------- */

.wallet-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: #06110c;
  background: var(--gradient);
  border: none;
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  white-space: nowrap;
}

.wallet-btn:hover { transform: translateY(-1px); box-shadow: var(--glow-green); }
.wallet-btn:active { transform: translateY(0); }
.wallet-btn:disabled { opacity: 0.6; cursor: default; transform: none; box-shadow: none; }

.wallet-btn.is-connected {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.wallet-btn.is-connected .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  flex: none;
}

.wallet-menu {
  position: relative;
}

.wallet-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: none;
  box-shadow: 0 12px 32px rgba(0,0,0,0.45);
}

.wallet-dropdown.open { display: block; }

.wallet-dropdown .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 6px 0;
}

.wallet-dropdown .row strong {
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 500;
}

.wallet-dropdown button.disconnect {
  width: 100%;
  margin-top: 10px;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: #ff8a8a;
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
}

.wallet-dropdown button.disconnect:hover { background: rgba(255, 90, 90, 0.08); }

.wallet-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 320px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.45);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}

.wallet-toast.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--border-soft);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(47, 230, 160, 0.08);
  border: 1px solid rgba(47, 230, 160, 0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 18ch;
}

h1 .accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 56ch;
  margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
}

.btn-primary {
  background: var(--gradient);
  color: #06110c;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--glow-purple); }

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--green-dim); color: var(--green); }

/* ---------- Sections / cards ---------- */

section { padding: 64px 0; }

.section-head { margin-bottom: 36px; max-width: 60ch; }

.section-head .kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 10px;
  display: block;
}

.section-head h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.section-head p { color: var(--text-dim); margin: 0; }

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .15s ease, transform .15s ease;
}

.card:hover { border-color: var(--green-dim); transform: translateY(-2px); }

.card .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(47, 230, 160, 0.08);
  border: 1px solid rgba(47, 230, 160, 0.2);
  border-radius: 999px;
  padding: 3px 10px;
  width: fit-content;
}

.card h3 { margin: 0; font-family: var(--font-head); font-size: 1.15rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

.card .meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  display: flex;
  justify-content: space-between;
}

/* ---------- Tutorial article ---------- */

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--green); }

article.tutorial { padding: 56px 0 96px; }

article.tutorial .tag { margin-bottom: 18px; }

article.tutorial h1 { max-width: none; }

.tutorial-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
}

.prose { max-width: 72ch; }
.prose h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  margin: 40px 0 16px;
  color: var(--text);
}
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--text-dim); margin: 0 0 16px; }
.prose ul, .prose ol { color: var(--text-dim); padding-left: 22px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--text); }

.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--purple);
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 24px 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}
.callout strong { color: var(--purple); display: block; margin-bottom: 4px; font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }

code {
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.88em;
  color: var(--green);
}

.tutorial-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
}

.tutorial-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.88rem;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color .15s ease, color .15s ease;
}
.tutorial-nav a:hover { border-color: var(--green-dim); color: var(--green); }

/* ---------- Footer ---------- */

footer.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 40px 0;
  margin-top: 40px;
}

footer.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer.site-footer p {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .site-header .wrap { height: auto; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
  nav.main-nav { order: 3; width: 100%; justify-content: flex-start; gap: 2px; }
  .hero { padding: 56px 0 48px; }
}