/*
 * Kiro repo Pages — shared, self-contained design system.
 *
 * CANONICAL SOURCE: Kiro-HQ/web-shared/style.css. Do not edit the copies
 * in kiro_repo/ or nemesis_repo/ directly — edit here and run
 * Kiro-HQ/propagate-web-shared.sh to push the change to both repo sites.
 *
 * Reproduces the kiro-website look (slate-950 surface, sky accent,
 * visitor-switchable palette) without a Tailwind build step, so the
 * page can be served straight from the GitHub Pages repo with the CSS
 * committed alongside it. Keep semantic class names here; do not pull
 * in a utility framework.
 */

/* ── Tokens ──────────────────────────────────────────────────────── */
:root {
  --bg:        #020617; /* slate-950 */
  --surface:   #0f172a; /* slate-900 */
  --border:    #1e293b; /* slate-800 */
  --border-2:  #334155; /* slate-700 */
  --muted:     #64748b; /* slate-500 */
  --text-3:    #94a3b8; /* slate-400 */
  --text-2:    #cbd5e1; /* slate-300 */
  --text:      #f1f5f9; /* slate-100 */

  /* Accent palette — overwritten at runtime by the switcher in index.html.
     Stored as space-separated RGB triplets so rgb(var(--accent-400) / a) works. */
  --accent-200: 186 230 253;
  --accent-300: 125 211 252;
  --accent-400: 56 189 248;
  --accent-500: 14 165 233;

  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
               "Liberation Mono", "Courier New", monospace;
  --maxw: 64rem; /* max-w-5xl */
}

/* ── Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; margin: 0; }
p { text-wrap: pretty; margin: 0; }

a { color: inherit; text-decoration: none; }

::selection {
  background-color: rgb(var(--accent-400));
  color: #0f172a;
}

:focus-visible {
  outline: 2px solid rgb(var(--accent-400));
  outline-offset: 2px;
  border-radius: 4px;
}

code, pre { font-family: var(--font-mono); }

/* Inline code chip */
code.chip {
  border-radius: 4px;
  background-color: var(--border);
  padding: 0.1rem 0.4rem;
  font-size: 0.85em;
  color: rgb(var(--accent-300));
}

/* ── Layout helpers ──────────────────────────────────────────────── */
.container {
  margin-inline: auto;
  max-width: var(--maxw);
  padding-inline: 1.5rem;
}

.section { border-top: 1px solid var(--border); }
.section-inner { padding-block: 5rem; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgb(var(--accent-400));
  margin: 0;
}

.section h2 {
  margin-top: 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lead { margin-top: 0.75rem; color: var(--text-2); max-width: 42rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 60;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: rgb(var(--accent-500));
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}

/* ── Header ──────────────────────────────────────────────────────── */
.site-header { border-bottom: 1px solid var(--border); }
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand img { height: 1.75rem; width: 1.75rem; object-fit: contain; }
.brand .sub { color: var(--text-3); font-weight: 500; }

.header-right { display: flex; align-items: center; gap: 1.5rem; }

.nav { display: none; gap: 1.5rem; font-size: 0.875rem; color: var(--text-2); }
.nav a { white-space: nowrap; }
.nav a:hover { color: #fff; }

/* Donation quick-links */
.support { display: flex; align-items: center; gap: 0.5rem; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 0.375rem;
  border: 1px solid;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.pill svg { height: 0.875rem; width: 0.875rem; }
.pill .label { display: none; }
.pill-sponsor { border-color: rgb(236 72 153 / 0.3); background: rgb(236 72 153 / 0.1); color: #fbcfe8; }
.pill-sponsor:hover { border-color: rgb(244 114 182 / 0.5); background: rgb(236 72 153 / 0.2); color: #fce7f3; }
.pill-kofi { border-color: rgb(249 115 22 / 0.3); background: rgb(249 115 22 / 0.1); color: #fed7aa; }
.pill-kofi:hover { border-color: rgb(251 146 60 / 0.5); background: rgb(249 115 22 / 0.2); color: #ffedd5; }
.pill-paypal { border-color: rgb(59 130 246 / 0.3); background: rgb(59 130 246 / 0.1); color: #bfdbfe; }
.pill-paypal:hover { border-color: rgb(96 165 250 / 0.5); background: rgb(59 130 246 / 0.2); color: #dbeafe; }
.pill-patreon { border-color: rgb(249 104 84 / 0.3); background: rgb(249 104 84 / 0.1); color: #ffd5cc; }
.pill-patreon:hover { border-color: rgb(251 146 120 / 0.5); background: rgb(249 104 84 / 0.2); color: #ffe4dd; }

/* Accent palette switcher */
.swatches { display: flex; align-items: center; gap: 0.375rem; }
.swatch {
  height: 1.25rem;
  width: 1.25rem;
  border: 0;
  padding: 0;
  border-radius: 9999px;
  cursor: pointer;
  box-shadow: 0 0 0 2px transparent, 0 0 0 4px var(--bg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.swatch:hover { transform: scale(1.1); }
.swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px rgb(255 255 255 / 0.6), 0 0 0 4px var(--bg); }

/* ── Hero ────────────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; }
.hero-glow {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at top, rgb(var(--accent-400) / 0.15), transparent 60%);
}
.hero-inner { padding-block: 6rem; text-align: center; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid rgb(var(--accent-500) / 0.3);
  background: rgb(var(--accent-500) / 0.1);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: rgb(var(--accent-300));
  transition: all 0.15s ease;
}
.badge:hover { border-color: rgb(var(--accent-400) / 0.5); color: rgb(var(--accent-200)); }
.badge .dot { position: relative; display: flex; height: 0.5rem; width: 0.5rem; }
.badge .dot .ping {
  position: absolute;
  display: inline-flex;
  height: 100%;
  width: 100%;
  border-radius: 9999px;
  background: rgb(var(--accent-400));
  opacity: 0.75;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.badge .dot .core {
  position: relative;
  display: inline-flex;
  height: 0.5rem;
  width: 0.5rem;
  border-radius: 9999px;
  background: rgb(var(--accent-400));
}
@keyframes ping { 75%, 100% { transform: scale(2); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .badge .dot .ping { animation: none; } }

.hero h1 {
  margin-top: 1.5rem;
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}
.hero h1 .accent { color: rgb(var(--accent-400)); }
.hero .lead { margin-inline: auto; margin-top: 1.5rem; font-size: 1.125rem; color: var(--text-2); max-width: 40rem; }

.cta-row {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  transition: all 0.15s ease;
}
.btn svg { height: 1rem; width: 1rem; }
.btn-primary {
  background: rgb(var(--accent-500));
  color: #fff;
  box-shadow: 0 10px 15px -3px rgb(var(--accent-500) / 0.2);
}
.btn-primary:hover { background: rgb(var(--accent-400)); }
.btn-secondary { border: 1px solid var(--border-2); color: var(--text-2); }
.btn-secondary:hover { background: var(--border); }

.hero-foot { margin-top: 1rem; font-size: 0.75rem; color: var(--muted); }

/* ── Install steps ───────────────────────────────────────────────── */
.step { margin-top: 2.5rem; }
.step:first-of-type { margin-top: 3rem; }
.step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.step-head h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
}
.step-head h3 code { font-family: var(--font-mono); color: rgb(var(--accent-300)); text-transform: none; }

.copy-btn {
  border-radius: 0.375rem;
  border: 1px solid var(--border-2);
  background: transparent;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.copy-btn:hover {
  border-color: rgb(var(--accent-500) / 0.5);
  background: rgb(var(--accent-500) / 0.1);
  color: rgb(var(--accent-200));
}

.code-block {
  margin-top: 0.75rem;
  overflow-x: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.7;
}
.code-block.compact { padding: 1rem; }
.code-block .c-comment { color: var(--muted); }
.code-block .c-section { color: rgb(var(--accent-300)); }
.code-block .c-key { color: #fff; }
.code-block .c-op { color: var(--muted); }
.code-block .c-val { color: var(--text-2); }
.code-block .c-prompt { user-select: none; color: rgb(var(--accent-400)); }

.note {
  margin-top: 2rem;
  border-radius: 0.5rem;
  border: 1px solid rgb(234 179 8 / 0.2);
  background: rgb(234 179 8 / 0.05);
  padding: 1rem;
  font-size: 0.875rem;
  color: rgb(254 249 195 / 0.8);
}
.note b { color: #fde68a; }
.note code { border-radius: 4px; background: var(--surface); padding: 0.1rem 0.4rem; color: #fde68a; }

/* ── Package grid ────────────────────────────────────────────────── */
.pkg-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .pkg-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .pkg-grid { grid-template-columns: repeat(3, 1fr); } }

.pkg-card {
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: rgb(15 23 42 / 0.4);
  padding: 1.25rem;
  transition: border-color 0.15s ease;
}
.pkg-card:hover { border-color: rgb(var(--accent-500) / 0.4); }
.pkg-card h3 { font-size: 1rem; font-weight: 600; color: var(--text); }
.pkg-card p { margin-top: 0.375rem; font-size: 0.875rem; color: var(--text-3); }
.pkg-card .count {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgb(var(--accent-400));
}

/* ── Screenshots / Gallery grid ──────────────────────────────────── */
.shot-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .shot-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .shot-grid { grid-template-columns: repeat(3, 1fr); } }
.shot {
  margin: 0;
  overflow: hidden;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: rgb(15 23 42 / 0.4);
  transition: border-color 0.15s ease;
}
.shot:hover { border-color: rgb(var(--accent-500) / 0.4); }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption {
  padding: 0.625rem 0.875rem;
  font-size: 0.8125rem;
  color: var(--text-3);
  border-top: 1px solid var(--border);
}

/* ── Video ───────────────────────────────────────────────────────── */
.video-frame {
  margin-top: 2rem;
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}
.video-frame iframe { position: absolute; inset: 0; height: 100%; width: 100%; border: 0; }

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); }
.footer-inner {
  padding-block: 2rem;
  font-size: 0.875rem;
  color: var(--text-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}
.footer-inner a:hover { color: #fff; }
.footer-sep { color: var(--border-2); }

/* ── Responsive reveals ──────────────────────────────────────────── */
@media (min-width: 640px) {
  .nav { display: flex; }
  .pill .label { display: inline; }
  .cta-row { flex-direction: row; gap: 1rem; }
}