/* KAF World Digital v18 — final unified brand system */

:root {
  --v18-navy: #0b202d;
  --v18-navy-soft: #102f3f;
  --v18-paper: #f8f7f2;
  --v18-paper-bright: #fffdfa;
  --v18-ink: #10212b;
  --v18-muted: #5e6e75;
  --v18-teal: #087f78;
  --v18-mint: #78cdc3;
  --v18-violet: #6553d8;
  --v18-line: rgba(7, 30, 44, 0.15);
  --v18-serif: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  --v18-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

/* One header system across company, consulting, apps and research. */
.v15-route .site-header {
  min-height: 78px;
  padding: 0 max(32px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(7, 30, 44, 0.1);
  background: rgba(248, 247, 242, 0.94);
  color: var(--v18-ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.48);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.v15-route .site-header::after { display: none; }
.v15-route .brand { width: 218px; }
.v15-route .brand img { filter: none; }
.v15-route .primary-navigation { gap: 24px; }
.v15-route .primary-navigation a {
  position: relative;
  padding: 9px 0;
  color: var(--v18-ink);
  font-size: 0.92rem;
  font-weight: 680;
  letter-spacing: -0.01em;
}
.v15-route .primary-navigation a:not(.nav-contact)::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.v15-route .primary-navigation a:hover::after,
.v15-route .primary-navigation a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.v15-route .primary-navigation .nav-contact {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 12px 21px;
  background: var(--v18-teal);
  color: #fff;
}
.v15-route .menu-button {
  border-color: var(--v18-line);
  background: var(--v18-paper-bright);
  color: var(--v18-ink);
}

.v18-portal-link,
.v16-nav .v18-portal-link {
  color: var(--v18-muted);
  white-space: nowrap;
}

/* Parent-brand actions stay teal; violet remains product-specific. */
.v15-home .button-primary,
.v16-commercial .v16-button-primary,
.v16-chat-trigger,
.v18-chat-trigger {
  background: var(--v18-teal);
}
.v15-home .button-primary:hover,
.v16-commercial .v16-button-primary:hover,
.v16-chat-trigger:hover,
.v18-chat-trigger:hover {
  background: #066a65;
}

/* The approved London-led first frame. */
.v18-hero-copy { max-width: 760px; }
.v18-hero-side {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid rgba(255, 255, 255, 0.52);
  padding-left: clamp(28px, 4vw, 54px);
}
.v18-hero-side h2 {
  max-width: 330px;
  margin: 0 0 30px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}
.v18-hero-principles {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.v18-hero-principles li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.45;
}
.v18-hero-principles span {
  color: var(--v18-mint);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.13em;
}
.v18-hero-subline {
  max-width: 740px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.62;
}

/* Product proof, not text-only promises. */
.v18-app-products {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 20px;
}
.v18-app-product {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  border: 1px solid var(--v18-line);
  border-radius: 28px;
  background: #ece9ff;
}
.v18-app-product.threadleaf { background: #e5f6f2; }
.v18-app-copy { padding: 36px 36px 24px; }
.v18-app-copy h3 {
  margin: 14px 0 12px;
  font-family: var(--v18-serif);
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
.v18-app-copy p { max-width: 650px; color: var(--v18-muted); line-height: 1.65; }
.v18-product-frame {
  margin: 8px 28px -42px;
  border: 1px solid rgba(7, 30, 44, 0.12);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 28px 68px rgba(7, 30, 44, 0.16);
  transform: rotate(-1.2deg);
  transition: transform 420ms cubic-bezier(.22, 1, .36, 1);
}
.v18-app-product:hover .v18-product-frame { transform: translateY(-7px) rotate(0); }
.v18-threadleaf-mark {
  display: grid;
  min-height: 270px;
  place-items: center;
  padding: 24px;
  background: var(--v18-navy);
}
.v18-threadleaf-mark img {
  width: min(190px, 52%);
  border-radius: 24%;
  filter: drop-shadow(0 26px 42px rgba(0, 0, 0, 0.3));
  animation: v18-float 7s ease-in-out infinite;
}

/* A useful free-content destination, not a token blog link. */
.v18-resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.v18-resource {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--v18-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.56);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.v18-resource:hover { transform: translateY(-5px); box-shadow: 0 22px 55px rgba(7, 30, 44, 0.09); }
.v18-resource span {
  color: var(--v18-teal);
  font-size: 0.76rem;
  font-weight: 820;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.v18-resource h3 { margin: 22px 0 12px; font-size: 1.55rem; letter-spacing: -0.035em; }
.v18-resource p { color: var(--v18-muted); line-height: 1.65; }
.v18-resource a { margin-top: auto; }

.v16-footer .v18-social-links,
.v18-social-links {
  display: flex;
  width: min(1180px, calc(100% - 48px));
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  padding: 24px 0 76px;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--v18-sans);
  font-size: 0.82rem;
}
.v16-footer .v18-social-links span,
.v18-social-links span { margin-right: auto; color: #fff; font-weight: 720; }
.v16-footer .v18-social-links a,
.v18-social-links a { display: inline; color: inherit; text-underline-offset: 4px; }
.v18-social-links a:hover { color: var(--v18-mint); }

/* A real, site-wide enquiry window. */
.v18-chat { position: fixed; right: 24px; bottom: 24px; z-index: 80; }
.v18-chat-trigger {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 0 18px;
  background: var(--v18-teal);
  color: #fff;
  box-shadow: 0 18px 42px rgba(7, 30, 44, 0.24);
  font: 750 0.88rem/1 var(--v18-sans);
  cursor: pointer;
}
.v18-chat-panel {
  position: absolute;
  right: 0;
  bottom: 62px;
  width: min(390px, calc(100vw - 32px));
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  padding: 24px;
  background: var(--v18-navy);
  color: #fff;
  box-shadow: 0 30px 80px rgba(7, 30, 44, 0.3);
}
.v18-chat-panel[hidden] { display: none; }
.v18-chat-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.v18-chat-head strong { font-size: 1.18rem; }
.v18-chat-head p { margin: 7px 0 0; color: rgba(255, 255, 255, 0.7); font-size: 0.88rem; line-height: 1.5; }
.v18-chat-close { border: 0; padding: 4px; background: transparent; color: var(--v18-mint); font: 700 0.8rem/1 var(--v18-sans); cursor: pointer; }
.v18-chat-form { display: grid; gap: 14px; margin-top: 20px; }
.v18-chat-form label { display: grid; gap: 7px; color: #fff; font-size: 0.8rem; font-weight: 720; }
.v18-chat-form input,
.v18-chat-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.23);
  border-radius: 12px;
  padding: 12px 13px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: inherit;
}
.v18-chat-form input:focus,
.v18-chat-form textarea:focus { border-color: var(--v18-mint); outline: 3px solid rgba(120, 205, 195, 0.2); }
.v18-chat-submit {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: var(--v18-mint);
  color: var(--v18-navy);
  font: 780 0.9rem/1 var(--v18-sans);
  cursor: pointer;
}
.v18-chat-status { min-height: 18px; margin: 0; color: rgba(255,255,255,.7); font-size: .78rem; }

@keyframes v18-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (max-width: 980px) {
  .v15-route .site-header { padding: 0 24px; }
  .v15-route .primary-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--v18-line);
    border-radius: 18px;
    padding: 12px;
    background: var(--v18-paper-bright);
    box-shadow: 0 24px 62px rgba(7, 30, 44, 0.16);
  }
  .v15-route .primary-navigation.is-open { display: grid; }
  .v15-route .primary-navigation a { padding: 13px 14px; }
  .v15-route .primary-navigation .nav-contact { margin-top: 6px; text-align: center; }
  .v18-app-products { grid-template-columns: 1fr; }
  .v18-resource-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .v15-route .site-header { min-height: 74px; padding: 0 20px; }
  .v15-route .brand { width: 176px; }
  .v18-hero-side { border-top: 1px solid rgba(255,255,255,.3); border-left: 0; padding: 30px 0 0; }
  .v18-app-product { min-height: 470px; }
  .v18-app-copy { padding: 28px 24px 18px; }
  .v18-product-frame { margin-inline: 18px; }
  .v18-chat { right: 16px; bottom: 16px; }
  .v18-chat-trigger { min-width: 92px; }
  .v16-chat-trigger {
    width: auto;
    min-width: 92px;
    min-height: 48px;
    padding: 0 18px;
    font-size: 0.88rem;
  }
  .v16-chat-trigger::after { display: none; content: none; }
  .v18-social-links { width: calc(100% - 40px); align-items: flex-start; }
  .v18-social-links span { width: 100%; margin-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .v18-threadleaf-mark img { animation: none; }
}