:root {
  --bg: #fffef0;
  --black: #1a1a1a;
  --white: #fffef0;
  --yellow: #ffe951;
  --pink: #ff6b9d;
  --blue: #4169e1;
  --green: #00d67f;
  --orange: #ff7f3f;
  --purple: #9b59ff;
  --red: #ff4757;
  --border: 3px solid var(--black);
  --shadow: 6px 6px 0 var(--black);
  --shadow-sm: 4px 4px 0 var(--black);
}

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

body {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}

.glow { display: none; }

/* Hero */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  background: var(--yellow);
  border-bottom: var(--border);
}
.hero::after { display: none; }
.hero-content { max-width: 800px; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1.5rem;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-sm);
}
.logo-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  color: var(--black);
}
.logo-text {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  color: var(--black);
  background: none;
  -webkit-text-fill-color: var(--black);
}

h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 1.5rem;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  background: none;
  -webkit-text-fill-color: var(--black);
}

.subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 2.5rem;
}

.badges {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-dot {
  width: 12px; height: 12px;
  border: 2px solid var(--black);
}
.badge-dot.blue { background: var(--blue); }
.badge-dot.green { background: var(--green); }
.badge-dot.purple { background: var(--purple); }

/* Main */
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

section { margin-bottom: 6rem; }

.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.section-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  background: var(--black);
  padding: 0.5rem 0.75rem;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* Intro */
.intro-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 2.5rem;
  background: var(--pink);
  border: var(--border);
  box-shadow: var(--shadow);
}
.intro-icon { font-size: 2.5rem; }
.intro-card h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--black);
  text-transform: uppercase;
}
.intro-card p { 
  color: var(--black); 
  font-size: 1.1rem;
  font-weight: 500;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.step-card {
  padding: 2rem;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.step-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--black);
}
.step-card:nth-child(1) { background: var(--green); }
.step-card:nth-child(2) { background: var(--blue); color: var(--white); }
.step-card:nth-child(3) { background: var(--orange); }

.step-num {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  color: var(--white);
  font-weight: 900;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}
.step-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.step-card p { font-size: 1rem; font-weight: 500; }

.url-example {
  display: block;
  padding: 1rem;
  background: var(--black);
  color: var(--green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  word-break: break-all;
  border: 2px solid var(--black);
}
.token-highlight { color: var(--yellow); }

/* Comparison */
.comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.comparison-card {
  padding: 2.5rem;
  border: var(--border);
  box-shadow: var(--shadow);
}
.comparison-card.old {
  background: var(--white);
}
.comparison-card.new {
  background: var(--green);
}
.comparison-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: var(--border);
}
.comparison-icon { font-size: 2rem; }
.comparison-card h3 { 
  font-size: 1.25rem; 
  font-weight: 800;
  text-transform: uppercase;
}
.comparison-card ol {
  list-style: none;
  counter-reset: item;
}
.comparison-card li {
  counter-increment: item;
  padding: 0.75rem 0;
  padding-left: 2.5rem;
  position: relative;
  font-size: 1rem;
  font-weight: 600;
  border-bottom: 2px dashed var(--black);
}
.comparison-card li:last-child { border-bottom: none; }
.comparison-card li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  width: 1.5rem;
  font-weight: 900;
}
.comparison-verdict {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--black);
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Endpoints */
.endpoint {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}
.endpoint-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: var(--border);
  flex-wrap: wrap;
  background: var(--white);
}
.endpoint-header code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  background: var(--yellow);
  color: var(--black);
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--black);
}
.endpoint-desc {
  font-weight: 600;
  font-size: 1rem;
  margin-left: auto;
}
.method {
  padding: 0.5rem 1rem;
  border: 2px solid var(--black);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  font-weight: 700;
}
.method.get { background: var(--blue); color: var(--white); }
.method.post { background: var(--green); }
.method.put { background: var(--orange); }
.endpoint-body { padding: 1.5rem; }
.endpoint-body pre {
  margin: 0;
  background: var(--black);
  color: var(--green);
  padding: 1.25rem;
  overflow-x: auto;
  border: 2px solid var(--black);
}
.endpoint-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--green);
}
.endpoint-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem;
  background: var(--yellow);
  border: 2px solid var(--black);
}
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1rem;
}
.tab {
  padding: 0.75rem 1.25rem;
  background: var(--white);
  border: var(--border);
  border-right: none;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
}
.tab:last-child { border-right: var(--border); }
.tab.active { background: var(--black); color: var(--white); }
.params {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.param {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem;
  background: var(--purple);
  border: 2px solid var(--black);
}
.param code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  background: var(--black);
  color: var(--green);
  padding: 0.5rem 0.75rem;
  border: none;
}
.param span { font-weight: 600; color: var(--white); }

/* Tokens */
.tokens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.token-card {
  padding: 2rem;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  text-align: center;
}
.token-card:nth-child(1) { background: var(--green); }
.token-card:nth-child(2) { background: var(--orange); }
.token-example {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--black);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
  border: none;
}
.token-example .rw { color: #5eff9e; }
.token-example .ro { color: #ffb86b; }
.token-card h4 { 
  font-size: 1.25rem; 
  font-weight: 800; 
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}
.token-card p { font-weight: 600; }
.token-note {
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  padding: 1rem;
  background: var(--purple);
  color: var(--white);
  border: var(--border);
}

/* Try It */
.try-card {
  padding: 2.5rem;
  background: var(--blue);
  border: var(--border);
  box-shadow: var(--shadow);
}
.input-group { margin-bottom: 1.5rem; }
.input-group label {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}
input[type="text"] {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: var(--border);
  color: var(--black);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
}
input:focus { outline: 4px solid var(--yellow); }
.button-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border: var(--border);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-sm);
}
.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}
.btn.primary { background: var(--yellow); color: var(--black); }
.btn.secondary { background: var(--white); color: var(--black); }
#output {
  background: var(--black);
  color: var(--green);
  border: var(--border);
  padding: 1.5rem;
  min-height: 150px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.output-placeholder { color: #666; }

/* Example */
.example-card {
  padding: 2.5rem;
  background: var(--purple);
  border: var(--border);
  box-shadow: var(--shadow);
}
.chat-bubble {
  padding: 1.25rem 1.5rem;
  border: var(--border);
  margin-bottom: 1.25rem;
  max-width: 85%;
}
.chat-bubble.user {
  background: var(--yellow);
  margin-left: auto;
}
.chat-bubble.assistant {
  background: var(--white);
}
.chat-bubble p { font-weight: 600; }
.chat-bubble code {
  background: var(--black);
  color: var(--green);
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
  border: none;
}
.typing {
  display: flex;
  gap: 6px;
  margin-top: 1rem;
}
.typing span {
  width: 10px; height: 10px;
  background: var(--black);
  animation: typing 1s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: scale(1); }
  30% { opacity: 1; transform: scale(1.2); }
}
.example-note {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--white);
  border: var(--border);
  font-weight: 600;
}

/* Links */
.links-section {
  display: grid;
  gap: 1rem;
}
.link-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 2rem;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.link-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--black);
}
.link-card:nth-child(1) { background: var(--pink); }
.link-card:nth-child(2) { background: var(--green); }
.link-card:nth-child(3) { background: var(--yellow); }
.link-icon { font-size: 2rem; }
.link-card h4 { 
  font-size: 1.1rem; 
  color: var(--black); 
  font-weight: 800;
  text-transform: uppercase;
}
.link-card p { font-size: 1rem; color: var(--black); font-weight: 500; }
.link-card .arrow {
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: 900;
  transition: transform 0.15s;
}
.link-card:hover .arrow { transform: translateX(6px); }

/* Footer */
footer {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--black);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  border-top: var(--border);
}
footer a { color: var(--yellow); text-decoration: underline; }

/* Code - black bg with green text for terminal look */
code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--black);
  color: var(--green);
  padding: 0.2rem 0.5rem;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 640px) {
  .hero { min-height: 70vh; padding: 3rem 1.5rem; }
  main { padding: 3rem 1.5rem; }
  h1 { font-size: clamp(2.5rem, 10vw, 4rem); }
  .intro-card { flex-direction: column; }
  .endpoint-desc { display: none; }
  .chat-bubble { max-width: 95%; }
  .comparison { gap: 1.5rem; }
}