/* Appily Ninetyeight — Roofline Flues (home nav)
   Weathercock brand + chimney destination stacks · Big Shoulders Display + Libre Franklin
   Not top-bar / burger / glass island / left rail / Crosswalk Tokens /
   Kinetic Mobile / Cardfile / Spectra Capstan / Quoin / Prism / Saltflat / Festoon */

:root {
  --rf-ink: #152028;
  --rf-ember: #FF5C00;
  --rf-ember-deep: #C94600;
  --rf-sky: #00B4C8;
  --rf-sky-deep: #008799;
  --rf-gold: #F5E400;
  --rf-gold-ink: #152028;
  --rf-paper: #FFFDF8;
  --rf-brick: #FFE8D6;
  --rf-surface: #FFFFFF;
  --rf-mute: #44515C;
  --rf-display: "Big Shoulders Display", "Arial Narrow", system-ui, sans-serif;
  --rf-ui: "Libre Franklin", "Segoe UI", system-ui, sans-serif;
  --rf-body: "Libre Franklin", "Segoe UI", system-ui, sans-serif;
  --rf-radius: 0;
  --rf-radius-soft: 4px;
  --rf-shadow: 0 12px 28px rgba(21, 32, 40, 0.14);
  --rf-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --rf-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --rf-space: clamp(16px, 4vw, 32px);
  --rf-type-xs: 0.68rem;
  --rf-type-sm: 0.82rem;
  --rf-type-md: 1rem;
  --rf-type-lg: 1.25rem;
  --rf-type-xl: clamp(1.5rem, 3vw, 2.1rem);

  /* Site baseline aliases for Festoon body */
  --fz-ink: var(--rf-ink);
  --fz-festoon: var(--rf-ember);
  --fz-festoon-deep: var(--rf-ember-deep);
  --fz-cyan: var(--rf-sky);
  --fz-cyan-deep: var(--rf-sky-deep);
  --fz-sun: var(--rf-gold);
  --fz-field: #EEF6F8;
  --fz-field-deep: #D8EBF0;
  --fz-surface: var(--rf-surface);
  --fz-mute: var(--rf-mute);
  --fz-display: var(--rf-display);
  --fz-body: var(--rf-body);
  --fz-radius: var(--rf-radius-soft);
  --fz-space: var(--rf-space);
}

body.rf-nav-open { overflow: hidden; }

.rf-roofline {
  position: relative;
  z-index: 220;
  pointer-events: none;
}
.rf-roofline > *,
.rf-ridge > * { pointer-events: auto; }

.rf-ridge {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 220;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.5rem 0.75rem;
  padding: 0 var(--rf-space);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(21, 32, 40, 0.06), transparent 70%);
}

/* —— Weathercock brand —— */
.rf-vane {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 10px;
  padding: 0.45rem 0.75rem 0.45rem 0.45rem;
  background: var(--rf-ink);
  color: #fff !important;
  text-decoration: none !important;
  border: 2px solid var(--rf-ink);
  box-shadow: 4px 4px 0 var(--rf-ember);
  transition: transform 220ms var(--rf-ease), box-shadow 220ms ease;
}
.rf-vane:hover,
.rf-vane:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--rf-sky);
  color: #fff !important;
  outline: none;
}
.rf-vane:focus-visible {
  outline: 3px solid var(--rf-gold);
  outline-offset: 3px;
}
.rf-vane[aria-current="page"] {
  box-shadow: 4px 4px 0 var(--rf-gold);
}
.rf-vane-arrow {
  width: 34px;
  height: 34px;
  background: var(--rf-gold);
  clip-path: polygon(15% 45%, 55% 45%, 55% 20%, 100% 50%, 55% 80%, 55% 55%, 15% 55%);
  transition: transform 320ms var(--rf-spring);
}
.rf-vane:hover .rf-vane-arrow,
.rf-vane:focus-visible .rf-vane-arrow {
  transform: rotate(-18deg);
}
.rf-vane-copy {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.05;
}
.rf-vane-copy small {
  font-family: var(--rf-ui);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}
.rf-vane-copy strong {
  font-family: var(--rf-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
}

/* —— Chimney flues (gaps of sky between — not a continuous bar) —— */
.rf-flues {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(0.35rem, 1.4vw, 0.85rem);
  min-width: 0;
  padding-top: 0;
}

.rf-flue {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: clamp(4.4rem, 9vw, 6.2rem);
  text-decoration: none !important;
  color: var(--rf-ink) !important;
  transform: translateY(calc(-6px - (var(--rf-h, 3) * 2px)));
  transition: transform 260ms var(--rf-spring), filter 220ms ease;
  outline: none;
}
.rf-flue-cap {
  width: 78%;
  height: 12px;
  background: var(--rf-ink);
  clip-path: polygon(8% 100%, 0 0, 100% 0, 92% 100%);
  margin-bottom: -1px;
  z-index: 2;
}
.rf-flue--ember .rf-flue-cap { background: var(--rf-ember); }
.rf-flue--sky .rf-flue-cap { background: var(--rf-sky); }
.rf-flue--gold .rf-flue-cap { background: var(--rf-gold); }

.rf-flue-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  min-height: calc(72px + (var(--rf-h, 3) * 10px));
  padding: 0.55rem 0.35rem 0.7rem;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 9px,
      rgba(21, 32, 40, 0.06) 9px,
      rgba(21, 32, 40, 0.06) 10px
    ),
    var(--rf-brick);
  border: 2px solid var(--rf-ink);
  border-top: 0;
  box-shadow: 3px 3px 0 rgba(21, 32, 40, 0.18);
  transition: background 220ms ease, box-shadow 220ms ease, color 220ms ease;
}
.rf-flue--sky .rf-flue-stack { background-color: #D8F7FC; }
.rf-flue--gold .rf-flue-stack { background-color: #FFF8C8; }
.rf-flue--ember .rf-flue-stack { background-color: #FFE0CC; }

.rf-flue-label {
  font-family: var(--rf-display);
  font-size: clamp(0.78rem, 1.2vw, 1.05rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--rf-ink);
  line-height: 1.1;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  max-height: 5.5rem;
  overflow: hidden;
}
.rf-flue-count {
  position: absolute;
  top: 6px;
  right: 4px;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--rf-ember);
  color: #fff;
  font-family: var(--rf-ui);
  font-size: 0.62rem;
  font-style: normal;
  font-weight: 800;
  border: 1px solid var(--rf-ink);
}

.rf-flue-smoke {
  position: absolute;
  top: -18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(21, 32, 40, 0.12);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 220ms ease, transform 320ms var(--rf-ease);
}

.rf-flue:hover,
.rf-flue:focus-visible {
  transform: translateY(0);
  z-index: 3;
}
.rf-flue:hover .rf-flue-stack,
.rf-flue:focus-visible .rf-flue-stack {
  background-color: var(--rf-gold);
  box-shadow: 4px 5px 0 var(--rf-ink);
}
.rf-flue:hover .rf-flue-smoke,
.rf-flue:focus-visible .rf-flue-smoke {
  opacity: 1;
  transform: translateY(-6px);
  animation: rf-smoke 900ms var(--rf-ease) infinite;
}
.rf-flue:focus-visible .rf-flue-stack {
  outline: 3px solid var(--rf-sky);
  outline-offset: 2px;
}
@keyframes rf-smoke {
  0% { transform: translateY(0) scale(0.8); opacity: 0.7; }
  100% { transform: translateY(-14px) scale(1.3); opacity: 0; }
}

.rf-flue.is-active .rf-flue-stack {
  background: var(--rf-ink);
  box-shadow: 4px 4px 0 var(--rf-ember);
}
.rf-flue.is-active .rf-flue-label {
  color: #fff;
}
.rf-flue.is-active .rf-flue-cap {
  filter: brightness(1.1);
}
.rf-flue.is-active:hover .rf-flue-stack,
.rf-flue.is-active:focus-visible .rf-flue-stack {
  background: var(--rf-ink);
}

/* Tools */
.rf-tools {
  display: flex;
  gap: 0.35rem;
  margin-top: 12px;
}
.rf-tool {
  min-height: 40px;
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--rf-ink);
  background: var(--rf-sky);
  color: var(--rf-ink);
  font-family: var(--rf-ui);
  font-size: var(--rf-type-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, transform 200ms var(--rf-ease);
}
.rf-tool:hover,
.rf-tool:focus-visible,
.rf-tool[aria-expanded="true"] {
  background: var(--rf-ember);
  color: #fff;
  transform: translateY(-1px);
  outline: none;
}
.rf-tool:focus-visible {
  outline: 3px solid var(--rf-gold);
  outline-offset: 2px;
}
.rf-tool--more {
  background: var(--rf-gold);
  color: var(--rf-ink);
}
.rf-tool--more[aria-expanded="true"] {
  background: var(--rf-ink);
  color: var(--rf-gold);
}

.rf-search,
.rf-more {
  position: fixed;
  top: 58px;
  right: max(14px, env(safe-area-inset-right));
  z-index: 240;
  width: min(280px, calc(100% - 2 * var(--rf-space)));
  background: var(--rf-surface);
  border: 2px solid var(--rf-ink);
  box-shadow: var(--rf-shadow);
}
.rf-search[hidden],
.rf-more[hidden] { display: none !important; }

.rf-search {
  display: flex;
  padding: 0;
  overflow: hidden;
}
.rf-search input {
  flex: 1;
  border: 0;
  min-width: 0;
  padding: 0.75rem 0.85rem;
  font-family: var(--rf-ui);
  font-size: 0.95rem;
  color: var(--rf-ink);
  background: #F3F7F8;
}
.rf-search input:focus-visible {
  outline: none;
  background: #FFF8C8;
}
.rf-search button {
  border: 0;
  border-left: 2px solid var(--rf-ink);
  background: var(--rf-ember);
  color: #fff;
  padding: 0 0.9rem;
  font-family: var(--rf-ui);
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.rf-search button:hover,
.rf-search button:focus-visible {
  background: var(--rf-sky-deep);
  outline: none;
}

.rf-more {
  display: flex;
  flex-direction: column;
  padding: 0.35rem;
}
.rf-more a {
  padding: 0.65rem 0.7rem;
  font-family: var(--rf-ui);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--rf-ink) !important;
  text-decoration: none !important;
  transition: background 180ms ease;
}
.rf-more a:hover,
.rf-more a:focus-visible,
.rf-more a[aria-current="page"] {
  background: var(--rf-gold);
  color: var(--rf-ink) !important;
  outline: none;
}

.rf-plume { display: none; }

@media (min-width: 901px) {
  body.a98-festoon .fz-proscenium-lintel {
    padding-top: 8.5rem;
  }
}

/* —— Mobile: ridge scrub + smoke plume card —— */
@media (max-width: 900px) {
  .rf-ridge {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    padding: 8px 12px 0;
    background: linear-gradient(180deg, rgba(21, 32, 40, 0.1), transparent 80%);
  }
  .rf-vane {
    grid-column: 1;
    margin-top: 0;
    padding: 0.35rem 0.6rem 0.35rem 0.35rem;
  }
  .rf-vane-copy strong { font-size: 1.1rem; }
  .rf-vane-arrow { width: 28px; height: 28px; }
  .rf-tools {
    grid-column: 2;
    margin-top: 0;
  }
  .rf-tool {
    min-height: 36px;
    padding: 0.35rem 0.55rem;
  }

  .rf-flues {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0.45rem;
    padding: 0.35rem 0 0.5rem;
    scrollbar-width: none;
  }
  .rf-flues::-webkit-scrollbar { display: none; }

  .rf-flue {
    flex: 0 0 auto;
    scroll-snap-align: start;
    width: 5.6rem;
    transform: none;
  }
  .rf-flue-stack {
    min-height: 88px;
    writing-mode: horizontal-tb;
  }
  .rf-flue-label {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 0.82rem;
    max-height: none;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .rf-flue:hover,
  .rf-flue:focus-visible {
    transform: translateY(-3px);
  }

  .rf-search,
  .rf-more {
    top: auto;
    bottom: auto;
    left: 12px;
    right: 12px;
    width: auto;
    top: 7.5rem;
  }

  .rf-plume {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 250;
    background: rgba(21, 32, 40, 0.5);
    padding: 1rem var(--rf-space);
  }
  .rf-plume[hidden] { display: none !important; }
  .rf-roofline.is-plume-open .rf-plume {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .rf-plume-card {
    width: min(400px, 100%);
    padding: 1.2rem 1.15rem 1.25rem;
    background: var(--rf-paper);
    border: 3px solid var(--rf-ink);
    box-shadow: 8px 8px 0 var(--rf-ember);
    position: relative;
    animation: rf-plume-in 300ms var(--rf-spring) both;
  }
  .rf-plume-card[data-tone="sky"] { box-shadow: 8px 8px 0 var(--rf-sky); }
  .rf-plume-card[data-tone="gold"] { box-shadow: 8px 8px 0 var(--rf-gold); }
  @keyframes rf-plume-in {
    from { transform: translateY(16px) scale(0.96); opacity: 0; }
    to { transform: none; opacity: 1; }
  }
  .rf-plume-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 36px;
    height: 36px;
    border: 2px solid var(--rf-ink);
    background: var(--rf-gold);
    color: var(--rf-ink);
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
  }
  .rf-plume-close:hover,
  .rf-plume-close:focus-visible {
    background: var(--rf-ember);
    color: #fff;
    outline: none;
  }
  .rf-plume-kicker {
    margin: 0 0 0.25rem;
    font-family: var(--rf-ui);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--rf-mute);
  }
  .rf-plume-title {
    margin: 0 0 1rem;
    font-family: var(--rf-display);
    font-size: var(--rf-type-xl);
    font-weight: 800;
    color: var(--rf-ink);
    line-height: 1.05;
    padding-right: 2rem;
  }
  .rf-plume-go {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0.7rem 1rem;
    background: var(--rf-ember);
    color: #fff !important;
    border: 2px solid var(--rf-ink);
    font-family: var(--rf-ui);
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none !important;
    box-shadow: 4px 4px 0 var(--rf-ink);
    transition: transform 200ms var(--rf-ease), background 200ms ease;
  }
  .rf-plume-go:hover,
  .rf-plume-go:focus-visible {
    background: var(--rf-sky-deep);
    transform: translate(-2px, -2px);
    outline: none;
  }

  body.a98-festoon .fz-proscenium-lintel {
    padding-top: 9.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rf-flue,
  .rf-vane,
  .rf-vane-arrow,
  .rf-tool,
  .rf-plume-card,
  .rf-flue-smoke {
    transition: none !important;
    animation: none !important;
  }
}