/* Forge - Gentong Studio
   Radius system (R-11): buttons pill, surfaces 12px, code 8px. Satu aturan, dipakai di mana-mana.
   Accent amber hanya di momen kunci: CTA primer, highlight kode, status aktif (one deliberate accent). */

/* Font dimuat dari assets/fonts.css (data URI, tanpa request eksternal). */

:root {
  --base: #171310;
  --surface: #211a14;
  --surface-2: #2a211a;
  --line: #3a2f24;
  --amber: #c9963c;
  --amber-hi: #dfa94e;
  --text: #f2ede6;
  --muted: #a89c8d;
  --radius-surface: 12px;
  --radius-code: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--base);
  color: var(--text);
  font-family: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---------- nav ---------- */
.nav {
  border-bottom: 1px solid var(--line);
  height: 68px;
  display: flex;
  align-items: center;
}
.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.wordmark span { color: var(--amber); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}
.nav-links a:hover { color: var(--text); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 28px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--amber); color: #171310; }
.btn-primary:hover { background: var(--amber-hi); }
.btn-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber-hi); }
.btn-small { padding: 9px 20px; font-size: 14px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding: 88px 0 72px;
}
.hero h1 {
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  font-weight: 700;
}
.hero h1 em { font-style: italic; color: var(--amber-hi); }
.hero p.sub { color: var(--muted); font-size: 18px; max-width: 46ch; margin: 0 0 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* live mini tool = preview produk asli, bukan terminal palsu */
.demo-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  padding: 24px;
  box-shadow: 0 24px 60px -32px rgba(0, 0, 0, 0.7);
}
.demo-panel .demo-label { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.demo-row { display: flex; gap: 10px; }
.demo-row input {
  flex: 1;
  min-width: 0;
  background: var(--base);
  border: 1px solid var(--line);
  border-radius: var(--radius-code);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
}
.demo-row input::placeholder { color: #6f6355; }
.demo-hint { font-size: 13px; color: var(--muted); margin: 14px 0 0; }
.demo-hint code { font-family: "JetBrains Mono", monospace; color: var(--amber-hi); font-size: 12.5px; }

/* ---------- garis bara: motif identitas, pemisah seksi ---------- */
.bara {
  border: 0;
  height: 1px;
  margin: 0;
  background: linear-gradient(90deg, transparent, var(--amber) 30%, var(--amber) 70%, transparent);
  opacity: 0.5;
}

/* ---------- sections ---------- */
section.block { padding: 72px 0; }
section.block h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 14px;
  font-weight: 700;
}
section.block .lede { color: var(--muted); max-width: 62ch; margin: 0 0 40px; font-size: 17px; }

/* daftar contoh: baris penuh yang bisa diklik */
.example-list { border-top: 1px solid var(--line); }
.example-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  transition: padding-left 0.2s ease, background 0.2s ease;
}
.example-row:hover { padding-left: 14px; background: rgba(201, 150, 60, 0.05); }
.example-row .prompt { font-size: 17px; }
.example-row .go {
  flex: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--amber);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
}
.example-row:hover .go { border-color: var(--amber); }

/* dua kolom: teks + kode */
.split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: start;
}
.split h2 { margin-top: 0; }
.split p { color: var(--muted); }
.split p strong { color: var(--text); font-weight: 500; }

.codeblock {
  background: #100d0a;
  border: 1px solid var(--line);
  border-radius: var(--radius-code);
  padding: 20px 22px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13.5px;
  line-height: 1.7;
  overflow-x: auto;
  margin: 0;
  color: #d8cfc2;
}
.codeblock .c { color: #7a6c5c; }        /* komentar */
.codeblock .k { color: var(--amber-hi); } /* keyword */
.codeblock .s { color: #9db87a; }        /* string */
.codeblock .f { color: #e8dcc8; }        /* fungsi */

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 6px 0; }
.faq summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 500;
  padding: 16px 4px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: "JetBrains Mono", monospace;
  color: var(--amber);
  font-size: 22px;
  flex: none;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 0 0 20px; padding: 0 4px; max-width: 68ch; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 10px; font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.02em; }
.cta-band p { margin: 0; color: var(--muted); max-width: 52ch; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  margin-top: 72px;
  padding: 40px 0 48px;
  color: var(--muted);
  font-size: 14px;
}
footer .foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--amber-hi); }
footer .fine { margin-top: 24px; font-size: 13px; color: #6f6355; }

/* ---------- app: workbench ---------- */
.workbench { padding: 56px 0 80px; }
.workbench h1 { font-size: clamp(30px, 3.6vw, 44px); letter-spacing: -0.02em; margin: 0 0 12px; }
.workbench .lede { color: var(--muted); margin: 0 0 32px; max-width: 64ch; }
.field label { display: block; font-weight: 500; margin-bottom: 10px; }
.field textarea {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.6;
  padding: 16px 18px;
}
.field textarea::placeholder { color: #6f6355; }
.field textarea:focus { border-color: var(--amber); outline: none; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 24px; }
.chip {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.chip:hover { border-color: var(--amber); color: var(--amber-hi); }
.actions-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
#status { font-size: 14px; color: var(--muted); }

.output { margin-top: 36px; }
.output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.output-head h2 { font-size: 20px; margin: 0; }
.provider-note {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}
.output-tools { display: flex; gap: 10px; }
.demo-note {
  border: 1px solid var(--amber);
  border-radius: var(--radius-code);
  color: var(--amber-hi);
  font-size: 14px;
  padding: 12px 16px;
  margin-bottom: 12px;
  background: rgba(201, 150, 60, 0.08);
}
.empty-state {
  border: 1px dashed var(--line);
  border-radius: var(--radius-surface);
  padding: 48px 32px;
  text-align: center;
  color: var(--muted);
}
.empty-state p { margin: 0 0 8px; }
.empty-state .mono { font-family: "JetBrains Mono", monospace; font-size: 13px; color: #6f6355; }
/* skeleton loading mengikuti bentuk kode */
.skeleton { display: grid; gap: 10px; padding: 8px 0; }
.skeleton span {
  display: block;
  height: 16px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.error-state {
  border: 1px solid #8a4a3a;
  border-radius: var(--radius-surface);
  padding: 24px;
  color: var(--text);
}
.error-state p { margin: 0 0 16px; color: var(--muted); }
.error-state .mono-dim {
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  color: #6f6355;
  word-break: break-word;
}
[hidden] { display: none !important; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 56px 0 48px; gap: 40px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .nav-links a.nav-link { display: none; }
  section.block { padding: 52px 0; }
  .cta-band { padding: 40px 28px; }
}
@media (max-width: 480px) {
  .demo-row { flex-direction: column; }
  .demo-row .btn { width: 100%; }
  .example-row { align-items: flex-start; flex-direction: column; gap: 12px; }
  .cta-band .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .skeleton span { background: var(--surface); }
}