/* ============================================================
   Code Katz — Site Styles
   Follows style-guide.md: flat, no gradients, no shadows
   Fonts: Poppins / Lora / JetBrains Mono
   ============================================================ */

:root {
  --charcoal: #141413;
  --warm-white: #faf9f5;
  --mid-gray: #b0aea5;
  --light-gray: #e8e6dc;
  --rust: #d97757;
  --gold: #d4a843;
  --blue: #6a9bcc;
  --green: #788c5d;
  --purple: #8b7eb8;
  --teal: #7ab5b0;
  --tan: #c4a882;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Lora', Georgia, serif;
  color: var(--charcoal);
  background: var(--warm-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', Arial, Helvetica, sans-serif;
  font-weight: 600;
  line-height: 1.25;
}

code, pre {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

a { color: var(--charcoal); }

/* ---- NAV ---- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  border-bottom: 2px solid var(--light-gray);
  background: var(--warm-white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav-logo-img {
  height: 36px;
  width: auto;
}

.nav-brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--mid-gray);
  transition: color 0.15s;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--charcoal);
  border-bottom-color: var(--charcoal);
}

.nav-gh {
  display: flex;
  align-items: center;
  color: var(--mid-gray);
}

.nav-gh:hover { color: var(--charcoal); }

/* ---- HERO (index) ---- */

.hero {
  padding: 2rem 2.5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-inner { max-width: 700px; margin: 0 auto; position: relative; z-index: 2; }

.hero-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid-gray);
  border: 2px solid var(--light-gray);
  border-radius: 100px;
  padding: 0.25rem 1rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-highlight {
  color: var(--rust);
  position: relative;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--rust);
  opacity: 0.2;
  border-radius: 3px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--mid-gray);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Floating cats */
.hero-cats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cat-float {
  animation: catBob 2.5s ease-in-out infinite;
  animation-delay: var(--delay);
}

.cat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

@keyframes catBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---- BUTTONS ---- */

.btn {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  border: 2px solid var(--charcoal);
  transition: background 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--charcoal);
  color: var(--warm-white);
}

.btn-primary:hover {
  background: transparent;
  color: var(--charcoal);
}

.btn-secondary {
  background: transparent;
  color: var(--charcoal);
}

.btn-secondary:hover {
  background: var(--charcoal);
  color: var(--warm-white);
}

/* ---- TOOL STRIP (index) ---- */

.tools-preview {
  padding: 4rem 2.5rem;
  text-align: center;
  border-top: 2px solid var(--light-gray);
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.tool-strip {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0.75rem;
}

.tool-chip {
  display: inline-block;
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.tool-chip:hover {
  background: var(--accent);
  color: var(--warm-white);
}

.tool-blurb {
  margin-top: 1.5rem;
  font-family: 'Lora', Georgia, serif;
  font-size: 1.15rem;
  font-style: italic;
  color: var(--mid-gray);
  min-height: 3em;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  transition: color 0.2s;
}

.tool-blurb.active {
  font-style: normal;
}

/* ---- WHY SECTION (index) ---- */

.why {
  padding: 4rem 2.5rem 5rem;
}

.why-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.why-card {
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  padding: 2rem;
}

.why-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--mid-gray);
}

/* ---- PAGE HEADER (tools, docs) ---- */

.page-header {
  padding: 2rem 2.5rem 2rem;
  text-align: center;
}

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.page-sub {
  color: var(--mid-gray);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ---- TOOLS GRID (tools page) ---- */

.tools-grid {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 2.5rem 5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}

.tool-card:hover {
  border-color: var(--accent);
}

.tool-card-bar {
  height: 6px;
  background: var(--accent);
}

.tool-card-body {
  padding: 1.75rem;
}

.tool-name {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.tool-label {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.tool-card p {
  font-size: 0.9rem;
  color: var(--mid-gray);
  margin-bottom: 1.25rem;
}

.tool-link {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.tool-link:hover {
  border-bottom-color: var(--accent);
}

.tool-link-gh {
  margin-left: 1rem;
  color: var(--mid-gray);
}

.tool-link-gh:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---- DOCS PAGE ---- */

.docs-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 2.5rem 5rem;
}

.docs-section {
  margin-bottom: 3.5rem;
}

.docs-section h2 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--light-gray);
}

.docs-section p {
  margin-bottom: 1.25rem;
}

.docs-section a {
  color: var(--blue);
}

/* prereqs */
.prereq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.prereq {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.prereq-check {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* code blocks */
.code-block {
  margin-bottom: 1.5rem;
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--light-gray);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--mid-gray);
}

.code-block pre {
  padding: 1.25rem;
  overflow-x: auto;
  background: var(--charcoal);
  color: var(--warm-white);
  font-size: 0.85rem;
  line-height: 1.8;
}

.code-block pre .c { color: var(--mid-gray); }
.code-block pre .k { color: var(--gold); }
.code-block pre .v { color: var(--teal); }

.accent-rust { color: var(--rust); }
.accent-gold { color: var(--gold); }

/* next links */
.next-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.next-link {
  display: block;
  padding: 1rem 1.25rem;
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  text-decoration: none;
  color: var(--charcoal);
  transition: border-color 0.15s;
}

.next-link:hover {
  border-color: var(--accent);
}

.next-link code {
  color: var(--accent);
  font-size: 0.9rem;
}

/* ---- PROJECT PAGE (dark banner) ---- */

.project-banner {
  background: var(--charcoal);
  padding: 2.5rem 2.5rem 2rem;
  text-align: center;
}

.project-banner-inner {
  max-width: 800px;
  margin: 0 auto;
}

.project-banner-name {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--warm-white);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.project-banner-name .accent {
  color: var(--accent);
}

.project-banner-tagline {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: clamp(0.85rem, 2vw, 1.15rem);
  color: var(--mid-gray);
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
}

.project-banner-rule {
  width: 200px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto;
  border: none;
}

.project-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2.5rem 5rem;
}

.project-body h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--light-gray);
}

.project-body p {
  margin-bottom: 1.25rem;
}

.project-prompt {
  margin: 2rem 0;
}

.project-prompt-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid-gray);
  margin-bottom: 0.5rem;
}

.project-screenshot {
  margin: 2.5rem 0;
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  overflow: hidden;
}

.project-screenshot img {
  width: 100%;
  display: block;
}

.project-screenshot-placeholder {
  padding: 4rem 2rem;
  text-align: center;
  background: var(--light-gray);
  color: var(--mid-gray);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

.project-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* ---- FOOTER ---- */

.footer {
  border-top: 2px solid var(--light-gray);
  padding: 2rem 2.5rem;
  text-align: center;
}

.footer .hero-badge {
  margin-bottom: 1rem;
}

.footer-inner {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  color: var(--mid-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 600;
  color: var(--charcoal);
}

.footer a {
  color: var(--mid-gray);
  text-decoration: none;
}

.footer a:hover {
  color: var(--charcoal);
}

.footer-sep { color: var(--light-gray); }

/* ---- RESPONSIVE ---- */

@media (max-width: 640px) {
  .nav {
    padding: 1rem 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav-links { gap: 1.25rem; }

  .hero { padding: 1.5rem 1.25rem 2.5rem; }

  .tools-preview,
  .why,
  .page-header,
  .docs-content {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .tools-grid {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    grid-template-columns: 1fr;
  }

  .hero-cats { gap: 0.75rem; }
  .cat-icon { width: 36px; height: 36px; }

  .tool-strip {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.5rem;
  }
}