/* normattiva-mcp · landing styles
 * Lapis on warm white. Manrope + JetBrains Mono.
 */

:root {
  --c-white: #ffffff;
  --c-off: #faf8f4;
  --c-panel: #f4efe7;
  --c-stone: #ede8de;
  --c-ink: #161513;
  --c-body: #4a4540;
  --c-muted: #8a847a;
  --c-rule: #e6e0d3;
  --c-lapis: #2a3a6b;
  --c-lapis-deep: #1d2949;
  --c-terracotta: #c2674a;
  --c-olive: #6b6a3d;
  --c-code: #1a1816;
  --c-code-text: #e8e2d3;
  --c-string: #7a8a4d;
  --c-key-blue: #8a9cd9;

  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --max-w: 1080px;
  --pad-x: 44px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-white);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ──────── TOPBAR ──────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px var(--pad-x);
  border-bottom: 1px solid var(--c-rule);
  background: var(--c-white);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.wordmark {
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.32em;
  color: var(--c-ink);
  white-space: nowrap;
}

.topbar__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-muted);
  white-space: nowrap;
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.topbar__link {
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.topbar__link:hover { color: var(--c-lapis); }

.icon-github { width: 16px; height: 16px; }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--c-rule);
  border-radius: 2px;
  overflow: hidden;
}

.lang-toggle__btn {
  padding: 5px 9px;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--c-body);
  background: transparent;
}

.lang-toggle__btn--active {
  background: var(--c-ink);
  color: var(--c-white);
}

/* ──────── HERO ──────── */
.hero {
  padding: 56px var(--pad-x) 36px;
  text-align: center;
}

.hero__overline {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-lapis);
  margin-bottom: 16px;
}

.section-mark {
  font-family: "Inter", "Times New Roman", serif;
  font-size: 110px;
  line-height: 0.85;
  font-weight: 300;
  color: var(--c-lapis);
  margin: 0 auto 12px;
}

.hero__title {
  margin: 0 auto;
  max-width: 740px;
  font-weight: 800;
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.hero__lead {
  margin: 22px auto 0;
  max-width: 580px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-body);
}

.hero__lead a {
  color: var(--c-lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.button-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ──────── BUTTONS ──────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 3px;
  border: 1.5px solid var(--c-ink);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--c-ink);
  cursor: pointer;
  background: var(--c-white);
  color: var(--c-ink);
  transition: transform .08s ease, box-shadow .08s ease;
}

.btn:hover { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--c-ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--c-ink); }

.btn--primary { background: var(--c-lapis); color: var(--c-white); }
.btn--ink { background: var(--c-ink); color: var(--c-white); }
.btn--ghost { background: var(--c-white); color: var(--c-ink); }

.btn--sm { padding: 9px 16px; font-size: 10px; box-shadow: 2px 2px 0 var(--c-ink); }
.btn--lg { padding: 17px 28px; font-size: 12px; box-shadow: 4px 4px 0 var(--c-ink); }

/* ──────── CONFIG CARD (LIGHT) ──────── */
.hero__card-wrap { padding: 10px var(--pad-x) 40px; max-width: var(--max-w); margin: 0 auto; }

.config-card {
  border: 1px solid var(--c-rule);
  border-radius: 4px;
  background: var(--c-white);
  overflow: hidden;
  text-align: left;
}

.config-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--c-rule);
  background: var(--c-off);
  flex-wrap: wrap;
}

.config-card__file {
  display: flex;
  align-items: center;
  gap: 10px;
}

.config-card__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--c-lapis);
}

.config-card__filename {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-body);
}

.config-card__tabs {
  display: flex;
  gap: 4px;
}

.tab {
  padding: 3px 9px;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--c-rule);
  border-radius: 2px;
  background: transparent;
  color: var(--c-body);
  cursor: pointer;
}

.tab--active {
  border-color: var(--c-ink);
  background: var(--c-ink);
  color: var(--c-white);
}

.config-card__body {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-ink);
  overflow-x: auto;
  margin: 0;
  white-space: pre;
}

.config-card__body .k { color: var(--c-body); }
.config-card__body .v { color: var(--c-string); }
.config-card__body .name { color: var(--c-lapis); font-weight: 500; }

.config-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-top: 1px solid var(--c-rule);
  background: var(--c-off);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-muted);
  flex-wrap: wrap;
}

.copy-btn {
  padding: 6px 14px;
  background: var(--c-lapis);
  color: var(--c-white);
  border: none;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
}

.copy-btn:hover { background: var(--c-lapis-deep); }
.copy-btn.is-copied { background: var(--c-olive); }

/* ──────── SECTIONS ──────── */
.section-wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad-x) 30px; }

.roman-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 0 16px;
  border-top: 1px solid var(--c-rule);
}

.roman-divider__num {
  font-weight: 800;
  font-size: 12px;
  color: var(--c-lapis);
  min-width: 18px;
}

.overline {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-ink);
}

.overline--muted { color: var(--c-muted); }
.overline--lapis { color: var(--c-lapis); }

.roman-divider__rule { flex: 1; height: 1px; background: var(--c-rule); }

/* ──────── QUICKSTART TABS ──────── */
.quickstart-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--c-rule);
  margin-bottom: 26px;
  overflow-x: auto;
  scrollbar-width: none;
}
.quickstart-tabs::-webkit-scrollbar { display: none; }

.quickstart-tab {
  padding: 14px 22px;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
  cursor: pointer;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  transition: color .12s, border-color .12s;
  white-space: nowrap;
}

.quickstart-tab:hover { color: var(--c-ink); }

.quickstart-tab--active {
  color: var(--c-ink);
  border-bottom-color: var(--c-lapis);
}

.quickstart-panel { display: none; }
.quickstart-panel--active { display: block; }

.section-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: start;
}

.section-body__lede {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-body);
}

.section-body__lede strong { color: var(--c-ink); font-weight: 700; }

.section-body__lede a {
  color: var(--c-lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.section-body__lede code {
  background: var(--c-off);
  border: 1px solid var(--c-rule);
  border-radius: 2px;
  padding: 1px 6px;
  font-size: 0.92em;
  color: var(--c-ink);
}

.section-body__main { display: flex; flex-direction: column; gap: 18px; }

.step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-rule);
}

.step:last-child { border-bottom: none; }

.step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--c-lapis);
  line-height: 1.6;
}

.step__body { font-size: 14px; line-height: 1.6; color: var(--c-body); }
.step__body strong { color: var(--c-ink); font-weight: 700; }
.step__body code {
  background: var(--c-off);
  border: 1px solid var(--c-rule);
  border-radius: 2px;
  padding: 1px 6px;
  font-size: 0.92em;
  color: var(--c-ink);
  font-family: var(--font-mono);
}
.step__body a {
  color: var(--c-lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.step__body .badge-note {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 9px;
  background: rgba(42, 58, 107, 0.09);
  color: var(--c-lapis);
  border: 1px solid rgba(42, 58, 107, 0.33);
  border-radius: 2px;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ──────── INLINE CONFIG BOX (smaller variant) ──────── */
.code-block {
  background: var(--c-off);
  border: 1px solid var(--c-rule);
  border-radius: 4px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-ink);
  overflow-x: auto;
  margin: 10px 0;
  white-space: pre;
}

.code-block .k { color: var(--c-body); }
.code-block .v { color: var(--c-string); }
.code-block .name { color: var(--c-lapis); font-weight: 500; }
.code-block .c { color: var(--c-muted); }

/* ──────── FOOTER ──────── */
.footer {
  border-top: 1px solid var(--c-rule);
  background: var(--c-off);
  padding: 22px var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-muted);
  flex-wrap: wrap;
}

.footer a {
  color: var(--c-lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer__links { display: flex; gap: 8px; }

.footer__links a {
  padding: 5px 10px;
  border: 1px solid var(--c-rule);
  border-radius: 2px;
  color: var(--c-body);
  background: var(--c-white);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer__links a:hover { color: var(--c-ink); border-color: var(--c-ink); }

/* ──────── RESPONSIVE ──────── */
@media (max-width: 720px) {
  :root { --pad-x: 22px; }

  .topbar { padding: 14px var(--pad-x); gap: 12px; }
  .topbar__sub { display: none; }
  .topbar__nav { gap: 14px; }
  .topbar__link span.label { display: none; }

  .hero { padding: 36px var(--pad-x) 24px; }
  .section-mark { font-size: 80px; }

  .config-card__head, .config-card__foot { flex-direction: column; align-items: flex-start; gap: 10px; }
  .config-card__body { font-size: 11px; }

  .section-body { grid-template-columns: 1fr; gap: 14px; }

  .footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 460px) {
  .button-row .btn { font-size: 10px; padding: 11px 16px; }
  .config-card__tabs { width: 100%; }
}