:root {
  --kz-bone: #f9f6ef;
  --kz-paper: #f2eee4;
  --kz-paper-2: #ece7da;
  --kz-veil: #e5decd;
  --kz-card: #fdfbf6;

  --kz-ink: #1a1a1a;
  --kz-ink-2: #3a3733;
  --kz-ink-3: #6e6a62;
  --kz-ink-4: #9a9489;

  --kz-rule: #d9d2bf;
  --kz-rule-2: #c7bfa8;
  --kz-gold: #a68b5b;
  --kz-gold-deep: #8c7244;
  --kz-gold-soft: #d9c9a6;
  --kz-moss: #7a8b6f;

  --kz-ink-font: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --kz-serif-font: 'Cormorant Garamond', 'Cormorant', Georgia, serif;
  --kz-sans-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --kz-logo-font: 'Playfair Display', 'Bodoni Moda', Didot, Bodoni, Georgia, serif;

  /* Motion tokens (from kitz.services tokens.css) */
  --kz-duration-instant: 100ms;
  --kz-duration-fast: 150ms;
  --kz-duration-normal: 250ms;
  --kz-duration-slow: 400ms;
  --kz-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --kz-ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:wght@700&display=swap');

* { box-sizing: border-box; }

/* ── Keyframes (matching kitz.services landing) ────────────── */

@keyframes kz-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes kz-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes kz-slide-in-left {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

body {
  margin: 0;
  font-family: var(--kz-sans-font);
  color: var(--kz-ink);
  background:
    linear-gradient(150deg, #f9f6ef 0%, #f2eee4 45%, #ece7da 100%);
}

.vk-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 42px 18px 70px;
}

.vk-sheet {
  border: 1px solid var(--kz-rule);
  background: #fffef8f0;
  margin-bottom: 24px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  animation: kz-fade-up 0.5s var(--kz-ease-out) both;
}

.vk-sheet:nth-child(1) { animation-delay: 0s; }
.vk-sheet:nth-child(2) { animation-delay: 0.08s; }
.vk-sheet:nth-child(3) { animation-delay: 0.16s; }
.vk-sheet:nth-child(4) { animation-delay: 0.24s; }
.vk-sheet:nth-child(5) { animation-delay: 0.32s; }
.vk-sheet:nth-child(6) { animation-delay: 0.40s; }
.vk-sheet:nth-child(7) { animation-delay: 0.48s; }
.vk-sheet:nth-child(8) { animation-delay: 0.56s; }

.vk-sheet::after {
  content: '';
  position: absolute;
  inset: auto -80px -110px auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 201, 166, 0.24), transparent 70%);
  pointer-events: none;
}

.vk-usage-rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.vk-usage-rules .vk-pill {
  margin: 0;
}

.vk-heading {
  font-family: var(--kz-serif-font);
  color: var(--kz-ink-2);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .12em;
  margin-bottom: 12px;
  display: inline-flex;
  border: 1px solid var(--kz-rule);
  padding: 5px 10px;
}

h1 {
  margin: 0;
  font-family: var(--kz-serif-font);
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.05;
  color: var(--kz-ink);
}

h2 {
  margin: 0 0 12px;
  font-family: var(--kz-serif-font);
  font-size: 22px;
  color: var(--kz-ink);
}

h3 {
  margin: 0 0 10px;
  font-family: var(--kz-serif-font);
  font-size: 16px;
  color: var(--kz-ink);
}

p,
li,
.vk-note {
  font-family: var(--kz-ink-font);
  font-size: 13px;
  line-height: 1.7;
  color: var(--kz-ink-2);
  margin-top: 0;
}

.vk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.vk-card {
  border: 1px solid var(--kz-rule);
  background: rgba(253, 251, 246, 0.88);
  padding: 16px;
  transition:
    border-color var(--kz-duration-normal) var(--kz-ease-out),
    transform var(--kz-duration-normal) var(--kz-ease-out),
    box-shadow var(--kz-duration-normal) var(--kz-ease-out);
}

.vk-card:hover {
  border-color: var(--kz-rule-2);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26, 26, 26, 0.06);
}

.vk-prompt-block {
  border: 1px solid var(--kz-rule-2);
  background: #fff;
  padding: 11px 12px;
  margin: 0;
  max-height: 240px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: var(--kz-ink-font);
  font-size: 11px;
  line-height: 1.55;
  color: var(--kz-ink-2);
}

.vk-prompt-block::-webkit-scrollbar {
  width: 8px;
}

.vk-prompt-block::-webkit-scrollbar-thumb {
  background: var(--kz-rule-2);
}

.vk-prompt-copy {
  margin-top: 8px;
}

.vk-btn-small {
  padding: 7px 11px;
  font-size: 9px;
  text-align: center;
}

.vk-token {
  margin: 0 0 9px;
  border: 1px dashed var(--kz-rule-2);
  background: #fefcf4;
  padding: 9px;
  font-family: var(--kz-ink-font);
  font-size: 11px;
  color: var(--kz-ink-3);
}

.vk-token strong {
  color: var(--kz-ink);
}

.vk-swatch {
  height: 44px;
  margin-bottom: 8px;
  border: 1px solid var(--kz-rule-2);
  transition: transform var(--kz-duration-fast) var(--kz-ease-out);
}

.vk-swatch:hover {
  transform: scaleY(1.15);
}

.vk-logo-showcase {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  margin-top: 12px;
}

.vk-logo-box {
  border: 1px solid var(--kz-rule);
  background: #fff;
  padding: 12px;
  display: grid;
  place-items: center;
  min-height: 130px;
  transition:
    border-color var(--kz-duration-normal) var(--kz-ease-out),
    background var(--kz-duration-normal) var(--kz-ease-out);
}

.vk-logo-box:hover {
  border-color: var(--kz-gold-soft);
  background: #fffef8;
}

.vk-logo-box img {
  max-width: 110px;
  height: auto;
  display: block;
  transition: transform var(--kz-duration-normal) var(--kz-ease-out);
}

.vk-logo-box:hover img {
  transform: scale(1.05);
}

.vk-subheader {
  margin: 24px 0 10px;
  font-family: var(--kz-serif-font);
  font-size: 18px;
  letter-spacing: 0.01em;
}

.vk-logo-box--no-bg,
.vk-logo-box--white,
.vk-logo-box--light {
  min-height: 112px;
  border-style: dashed;
  border-width: 1px;
}

.vk-logo-box--no-bg {
  background: linear-gradient(135deg, #ffffff 25%, #f2eee4 25%, #f2eee4 50%, #ffffff 50%, #ffffff 75%, #f2eee4 75%);
  background-size: 12px 12px;
}

.vk-logo-box--white {
  background: #101010;
}

.vk-logo-box--white img {
  width: 92px;
  filter: none;
}

.vk-logo-box--light {
  background: linear-gradient(180deg, #fdfbf6 0%, #ece7da 100%);
}

.vk-print-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.vk-print-label {
  margin-top: 10px;
  text-align: center;
  font-family: var(--kz-ink-font);
  font-size: 11px;
  color: var(--kz-ink-3);
}

.vk-print-card .vk-btn-small {
  margin-top: 8px;
  width: 100%;
  text-align: center;
  font-size: 9px;
  padding: 6px 10px;
}

.vk-print-rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.vk-print-rule {
  border: 1px solid var(--kz-rule-2);
  background: #fffdf4;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.vk-print-rule span {
  color: var(--kz-ink-3);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.vk-print-rule strong {
  color: var(--kz-ink);
  font-size: 12px;
}

.vk-logo-box .vk-wordmark {
  max-width: 220px;
}

.vk-logo-label {
  font-family: var(--kz-ink-font);
  font-size: 11px;
  margin-top: 10px;
  text-align: center;
  color: var(--kz-ink-3);
}

.vk-brand-lock {
  display: grid;
  gap: 12px;
}

.vk-lockup {
  width: 100%;
  border: 1px dashed var(--kz-rule);
  background: #fff;
  padding: 16px;
  transition: border-color var(--kz-duration-normal) var(--kz-ease-out);
}

.vk-lockup:hover {
  border-color: var(--kz-gold-soft);
}

.vk-type {
  display: grid;
  gap: 10px;
}

.vk-type .headline {
  font-family: var(--kz-serif-font);
  margin: 0;
}

.vk-type .mono {
  font-family: var(--kz-ink-font);
}

.vk-btn {
  border: 0;
  display: inline-block;
  text-decoration: none;
  padding: 12px 22px;
  font-family: var(--kz-ink-font);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  background: #1a1a1a;
  transition:
    background var(--kz-duration-fast) var(--kz-ease-out),
    color var(--kz-duration-fast) var(--kz-ease-out),
    border-color var(--kz-duration-fast) var(--kz-ease-out),
    transform var(--kz-duration-fast) var(--kz-ease-out);
  cursor: pointer;
}

.vk-btn:hover {
  background: var(--kz-gold);
  color: var(--kz-ink);
  transform: translateY(-1px);
}

.vk-btn:active {
  transform: translateY(0);
}

.vk-btn-secondary {
  color: #1a1a1a;
  background: #fdfbf6;
  border: 1px solid var(--kz-rule);
}

.vk-btn-secondary:hover {
  border-color: var(--kz-rule-2);
  background: var(--kz-paper);
  color: var(--kz-ink);
}

.vk-btn-ghost {
  color: var(--kz-gold-deep);
  background: transparent;
}

.vk-btn-ghost:hover {
  color: var(--kz-ink);
  background: rgba(166, 139, 91, 0.08);
}

.vk-card .sample-list {
  padding-left: 16px;
}

.vk-card .sample-list li { margin-bottom: 8px; }

.vk-metric {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.vk-metric div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--kz-rule-2);
  font-family: var(--kz-ink-font);
  font-size: 11px;
  transition: background var(--kz-duration-fast) var(--kz-ease-out);
}

.vk-metric div:hover {
  background: rgba(166, 139, 91, 0.04);
}

.vk-pill {
  border-left: 2px solid var(--kz-gold);
  padding-left: 10px;
  margin-top: 10px;
}

.vk-foot {
  text-align: right;
  font-size: 10px;
  font-family: var(--kz-ink-font);
  color: var(--kz-ink-4);
  margin-top: 4px;
}

.social-post {
  border: 1px solid var(--kz-rule);
  background: #fff;
  aspect-ratio: 1 / 1;
  max-width: 360px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition:
    border-color var(--kz-duration-normal) var(--kz-ease-out),
    transform var(--kz-duration-normal) var(--kz-ease-out),
    box-shadow var(--kz-duration-normal) var(--kz-ease-out);
}

.social-post:hover {
  border-color: var(--kz-rule-2);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(26, 26, 26, 0.08);
}

.social-post .hero {
  background: #1a1a1a;
  color: #fdfbf6;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 3px;
}

.social-post .hero small {
  font-size: 18px;
  line-height: 1;
  font-family: var(--kz-logo-font);
  font-weight: 700;
}

.social-post .tag {
  color: var(--kz-ink-3);
  font-family: var(--kz-ink-font);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 10px;
  margin-bottom: 12px;
}

.social-post h4 {
  margin: 0 0 12px;
  font-family: var(--kz-serif-font);
}

.social-post p {
  margin: 0;
}

.social-post .cta {
  margin-top: auto;
  border-top: 1px solid var(--kz-rule);
  padding-top: 12px;
}

/* ------------------------------------------------------------------ */
/* Download grid for AI tool spec files                               */
/* ------------------------------------------------------------------ */

.vk-dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.vk-dl-card {
  border: 1px solid var(--kz-rule);
  border-left: 2px solid var(--kz-gold);
  background: rgba(253, 251, 246, 0.88);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition:
    border-color var(--kz-duration-normal) var(--kz-ease-out),
    transform var(--kz-duration-normal) var(--kz-ease-out),
    box-shadow var(--kz-duration-normal) var(--kz-ease-out);
}

.vk-dl-card:hover {
  border-color: var(--kz-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(166, 139, 91, 0.1);
}

.vk-dl-card .vk-dl-title {
  font-family: var(--kz-ink-font);
  font-size: 12px;
  font-weight: 500;
  color: var(--kz-ink);
  margin: 0;
}

.vk-dl-card .vk-dl-desc {
  font-family: var(--kz-ink-font);
  font-size: 11px;
  color: var(--kz-ink-3);
  line-height: 1.5;
  margin: 0;
}

/* ------------------------------------------------------------------ */
/* Focus styles (accessibility)                                        */
/* ------------------------------------------------------------------ */

.vk-btn:focus-visible, button:focus-visible {
  outline: 2px solid var(--kz-gold);
  outline-offset: 2px;
}

.vk-dl-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}

.vk-dl-actions .vk-btn {
  font-size: 9px;
  padding: 6px 10px;
  text-align: center;
  flex: 1;
}

.vk-dl-card--placeholder {
  opacity: 0.55;
  border-left-style: dashed;
}

.vk-dl-card--placeholder .vk-dl-title::after {
  content: ' (pronto)';
  font-weight: 400;
  color: var(--kz-ink-4);
}

.vk-copy-toast {
  color: var(--kz-moss);
}

@media (max-width: 720px) {
  .vk-dl-grid { grid-template-columns: repeat(2, 1fr); }
  .vk-print-guide,
  .vk-print-rules {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .vk-dl-grid { grid-template-columns: 1fr; }
}

/* Respect prefers-reduced-motion (brand rule) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 820px) {
  .vk-wrap {
    padding: 24px 12px 54px;
  }
  .vk-sheet { padding: 20px; }
}