/* Mantis · mantis-hack docs site — base styles */

:root {
  /* --bg matches the mantis-landing.png background (avg of corner samples #000206)
     so the hero image blends seamlessly into the page. */
  --bg:        #000206;
  --surface:   #0a1411;
  --surface-2: #101a16;
  --border:    #1a2722;
  --border-2:  #2a3a32;
  --text:      #e5e7eb;
  --dim:       #94a3b8;
  --dim-2:     #64748b;
  --accent:    #10b981;
  --accent-hi: #34d399;
  --accent-dim:#064e3b;
  --red:       #ef4444;
  --red-dim:   #7f1d1d;
  --amber:     #f59e0b;
  --blue:      #3b82f6;
  --purple:    #8b5cf6;
  --pink:      #ec4899;
  --code-bg:   #0d1411;
  --max-w:     1180px;
  --sidebar-w: 260px;
  --content-w: 760px;
  --toc-w:     220px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

code, pre, kbd { font-family: var(--font-mono); font-size: 0.92em; }
code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 22px;
  overflow-x: auto;
  line-height: 1.55;
  font-size: 13.5px;
}
pre code { background: none; border: none; padding: 0; }

kbd {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 2px 7px;
  font-size: 0.85em;
  color: var(--text);
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: 36px; margin: 0 0 10px; }
h2 { font-size: 26px; margin: 42px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
h3 { font-size: 20px; margin: 32px 0 10px; }
h4 { font-size: 16px; margin: 24px 0 8px; }

p { margin: 12px 0; }

/* ── Header / nav bar ────────────────────────────────────────── */
.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(0, 2, 6, 0.75);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.nav-brand img { width: 28px; height: 28px; flex-shrink: 0; }
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-brand-text .name { font-weight: 700; font-size: 15px; color: var(--text); }
.nav-brand-text .tagline { font-size: 11px; color: var(--dim); letter-spacing: 0.2px; margin-top: 1px; }
.nav-brand .badge {
  background: rgba(16, 185, 129, 0.10);
  color: var(--accent-hi);
  border: 1px solid var(--accent-dim);
  padding: 3px 9px;
  border-radius: 5px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .nav-brand-text .tagline { display: none; }
}
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--dim); font-size: 14px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  background: var(--accent);
  color: var(--bg) !important;
  padding: 7px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 13.5px;
}
.nav-cta:hover { background: var(--accent-hi); text-decoration: none; }

/* ── Hero (landing) ──────────────────────────────────────────── */
.hero {
  position: relative;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background-image: url('hero-banner.png');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,2,6,0.96) 0%, rgba(0,2,6,0.92) 35%, rgba(0,2,6,0.55) 65%, rgba(0,2,6,0.25) 100%);
  z-index: 1;
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 110px 24px 100px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: 580px;
}
.hero-image { display: none; } /* banner is now the background */
.hero-text .eyebrow {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent-hi);
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-text h1 {
  font-size: 54px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 18px;
}
.hero-text h1 .accent { color: var(--accent-hi); }
.hero-text .tagline {
  font-size: 19px;
  color: var(--dim);
  line-height: 1.55;
  margin: 0 0 32px;
  max-width: 540px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--bg) !important; }
.btn-primary:hover { background: var(--accent-hi); text-decoration: none; }
.btn-ghost { background: var(--surface); color: var(--text) !important; border-color: var(--border-2); }
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }

.hero-install {
  margin-top: 26px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 540px;
}
.hero-install code { background: none; border: none; padding: 0; color: var(--accent-hi); }
.hero-install .copy {
  background: transparent; border: 1px solid var(--border-2); color: var(--dim);
  padding: 5px 11px; border-radius: 5px; font-size: 12px; cursor: pointer;
}
.hero-install .copy:hover { color: var(--accent-hi); border-color: var(--accent-dim); }

.hero-image {
  position: relative;
}
.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  filter: drop-shadow(0 30px 60px rgba(16, 185, 129, 0.15));
}

.hero-providers {
  margin-top: 14px;
  color: var(--dim-2);
  font-size: 13px;
}
.hero-providers strong { color: var(--text); font-weight: 600; }

/* ── Feature grid ────────────────────────────────────────────── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}
.section-eyebrow {
  color: var(--accent-hi);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.section h2 { border-bottom: 0; margin: 0 0 14px; font-size: 32px; }
.section .lead { color: var(--dim); font-size: 17px; max-width: 700px; margin-bottom: 40px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 22px;
  transition: border-color 120ms, transform 120ms;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card .icon {
  width: 36px; height: 36px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--accent-dim);
  color: var(--accent-hi);
  border-radius: 8px;
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.card .icon svg { width: 18px; height: 18px; stroke: var(--accent-hi); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { color: var(--dim); font-size: 14.5px; margin: 0; line-height: 1.55; }

/* ── Phase strip ─────────────────────────────────────────────── */
.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.phase {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  transition: border-color 120ms;
}
.phase:hover { border-color: var(--accent-dim); }
.phase img { width: 100%; height: 170px; object-fit: cover; display: block; }
.phase .body { padding: 16px 18px; }
.phase .label {
  color: var(--accent-hi);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.phase h4 { margin: 0 0 4px; font-size: 17px; }
.phase p { color: var(--dim); font-size: 13.5px; margin: 0; }

/* ── Docs layout ─────────────────────────────────────────────── */
.docs-shell {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 40px;
  padding: 40px 24px 80px;
}
.sidebar {
  border-right: 1px solid var(--border);
  padding-right: 24px;
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.sidebar .group { margin-bottom: 22px; }
.sidebar .group-title {
  color: var(--dim-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding-left: 8px;
}
.sidebar ul { list-style: none; padding: 0; margin: 0; }
.sidebar li a {
  display: block;
  color: var(--dim);
  padding: 6px 10px;
  border-radius: 5px;
  font-size: 14px;
}
.sidebar li a:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.sidebar li a.active { background: var(--accent-dim); color: var(--accent-hi); font-weight: 600; }

.content { min-width: 0; max-width: var(--content-w); }
.content .breadcrumb {
  color: var(--dim-2); font-size: 13px; margin-bottom: 14px;
}
.content .breadcrumb a { color: var(--dim); }
.content img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--border); }
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.content th, .content td {
  text-align: left;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
}
.content th { background: var(--surface); color: var(--text); font-weight: 700; }
.content tbody tr:hover { background: var(--surface); }

blockquote {
  border-left: 3px solid var(--accent);
  background: var(--surface);
  padding: 12px 18px;
  margin: 18px 0;
  color: var(--dim);
  border-radius: 0 6px 6px 0;
}
blockquote p:first-child { margin-top: 0; }
blockquote p:last-child { margin-bottom: 0; }

.callout {
  border: 1px solid var(--border);
  border-left-width: 3px;
  background: var(--surface);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin: 18px 0;
}
.callout.note   { border-left-color: var(--blue); }
.callout.tip    { border-left-color: var(--accent); }
.callout.warn   { border-left-color: var(--amber); }
.callout.danger { border-left-color: var(--red); }
.callout-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.callout.note   .callout-title { color: var(--blue); }
.callout.tip    .callout-title { color: var(--accent-hi); }
.callout.warn   .callout-title { color: var(--amber); }
.callout.danger .callout-title { color: var(--red); }

.next-prev {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.next-prev a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text) !important;
  font-size: 14px;
}
.next-prev a:hover { border-color: var(--accent-dim); text-decoration: none; }
.next-prev a .dir { color: var(--dim-2); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.next-prev a.right { text-align: right; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--dim);
  font-size: 14px;
}
.footer .star {
  background: var(--accent-dim);
  color: var(--accent-hi) !important;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; padding: 50px 20px; }
  .hero-text h1 { font-size: 38px; }
  .grid-3, .phases { grid-template-columns: 1fr; }
  .docs-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; border-right: 0; border-bottom: 1px solid var(--border); padding: 0 0 20px; max-height: none; }
  .nav-links a:not(.nav-cta) { display: none; }
}