/* ============================================================
   AI Rendering — Interior Visualisation
   Light, airy, gallery-forward editorial. (BOND-inspired feel.)
   Standalone aesthetic — only this project uses it.
   ============================================================ */

:root {
  --air-bone: #ffffff;        /* white paper — matches landing */
  --air-bone-2: #f1f1f1;      /* panel / image bg */
  --air-ink: #111111;         /* near-black text — matches landing --ink */
  --air-ink-soft: #444444;    /* secondary text */
  --air-muted: #6a6a6a;       /* captions — matches landing --muted */
  --air-line: rgba(0, 0, 0, 0.12);
  --air-accent: #2b53ff;      /* landing-page blue, used sparingly */

  --air-serif: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --air-sans: "Inter Tight", "Helvetica Neue", Arial, sans-serif;

  --air-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --air-gutter: clamp(20px, 5vw, 110px);
  --air-maxw: 1640px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--air-sans);
  background: var(--air-bone);
  color: var(--air-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: var(--air-accent); color: #fff; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.air-wrap { max-width: var(--air-maxw); margin: 0 auto; padding-left: var(--air-gutter); padding-right: var(--air-gutter); width: 100%; }
.air-bleed { width: 100%; }

.air-label {
  font-family: var(--air-sans);
  font-size: clamp(10px, 0.78vw, 12px);
  font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--air-muted);
}

/* image figure shared */
.air-fig { position: relative; overflow: hidden; background: var(--air-bone-2); }
.air-fig image-slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.air-fig__cap {
  position: absolute; left: 16px; bottom: 13px; z-index: 4;
  font-family: var(--air-sans); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.92); display: flex; align-items: center; gap: 9px;
  text-shadow: 0 1px 10px rgba(0,0,0,0.55);
}
.air-fig__cap::before { content: ""; width: 16px; height: 1px; background: rgba(255,255,255,0.8); }
/* slot affordance on light panels */
.air-fig image-slot::part(empty) { color: rgba(26,23,20,0.5); }
.air-fig image-slot::part(ring) { border: 1.5px dashed rgba(26,23,20,0.22); border-radius: 2px; margin: 14px; }

/* ============================================================
   TOP BAR
   ============================================================ */
.air-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px var(--air-gutter);
  transition: background 0.5s var(--air-ease), border-color 0.5s var(--air-ease), color 0.5s var(--air-ease);
  border-bottom: 1px solid transparent; color: #fff;
}
.air-top.is-solid { background: rgba(255,255,255,0.9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom-color: var(--air-line); color: var(--air-ink); }
.air-top__back, .air-top__id { font-family: var(--air-sans); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }
.air-top__back { display: inline-flex; gap: 9px; align-items: center; transition: color 0.35s var(--air-ease); }
.air-top__back .ar { transition: transform 0.35s var(--air-ease); }
.air-top__back .lbl { position: relative; }
.air-top__back .lbl::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--air-ease);
}
.air-top__back:hover { color: #2b53ff; }
.air-top__back:hover .ar { transform: translateX(-4px); }
.air-top__back:hover .lbl::after { transform: scaleX(1); transform-origin: left; }
.air-top__id { opacity: 0.82; }
@media (max-width: 620px) { .air-top__id { display: none; } }

/* ============================================================
   HERO — full-bleed image with title block beneath
   ============================================================ */
.air-hero { position: relative; }
.air-hero__media { position: relative; height: 100svh; min-height: 540px; overflow: hidden; background: var(--air-bone-2); }
.air-hero__media image-slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.air-hero__media::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to top, rgba(0,0,0,0.62), rgba(0,0,0,0.12) 30%, transparent 50%); z-index: 3; }
/* hero empty/editing state stays dark so the white title is always legible */
.air-hero__media image-slot::part(frame) { background: #161616; }
.air-hero__media image-slot::part(empty) { color: rgba(255,255,255,0.72); }
.air-hero__media image-slot::part(ring) { border-color: rgba(255,255,255,0.3); }
.air-hero__cap {
  position: absolute; left: var(--air-gutter); bottom: clamp(28px, 5vh, 56px); z-index: 5; color: #fff;
}
.air-hero__cap .ey { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.air-hero__cap .ey .line { width: 50px; height: 1px; background: rgba(255,255,255,0.7); }
.air-hero__cap .ey span { font-family: var(--air-sans); font-size: clamp(10px, 0.8vw, 12px); letter-spacing: 0.3em; text-transform: uppercase; color: rgba(255,255,255,0.92); }
.air-hero__title {
  font-family: var(--air-serif); font-weight: 800; color: #fff;
  font-size: clamp(50px, 10vw, 168px); line-height: 0.9; letter-spacing: -0.035em;
}
.air-hero__title .it { font-weight: 800; }
.air-scrollcue {
  position: absolute; right: var(--air-gutter); bottom: clamp(28px, 5vh, 56px); z-index: 5;
  font-family: var(--air-sans); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: rgba(255,255,255,0.85);
  display: flex; align-items: center; gap: 12px;
}
.air-scrollcue .bar { position: relative; width: 1px; height: 44px; background: rgba(255,255,255,0.4); overflow: hidden; }
.air-scrollcue .bar::after { content:""; position:absolute; inset:0; background:#fff; animation: air-tick 2.4s var(--air-ease) infinite; }
@keyframes air-tick { 0%{transform:translateY(-100%)} 60%,100%{transform:translateY(100%)} }
@media (max-width: 620px) { .air-scrollcue { display: none; } }

/* ============================================================
   INTRO
   ============================================================ */
.air-intro { padding: clamp(70px, 11vh, 150px) 0 clamp(40px, 6vh, 80px); }
.air-intro__grid { display: grid; grid-template-columns: 0.8fr 1.4fr; gap: clamp(30px, 5vw, 90px); align-items: start; }
.air-intro__meta { display: grid; gap: 26px; }
.air-intro__meta .row .k { display: block; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--air-muted); margin-bottom: 8px; }
.air-intro__meta .row .v { font-family: var(--air-serif); font-size: clamp(20px, 1.8vw, 27px); color: var(--air-ink); font-weight: 600; letter-spacing: -0.02em; }
.air-intro__lead {
  font-family: var(--air-serif); font-weight: 600; color: var(--air-ink);
  font-size: clamp(26px, 3.3vw, 52px); line-height: 1.12; letter-spacing: -0.025em; text-wrap: balance;
}
.air-intro__lead em { font-style: normal; color: var(--air-muted); }
.air-intro__body { margin-top: 40px; max-width: 56ch; font-size: clamp(15px, 1.05vw, 17px); line-height: 1.65; color: var(--air-ink-soft); }
@media (max-width: 820px) { .air-intro__grid { grid-template-columns: 1fr; } }

/* ============================================================
   GALLERY RHYTHM
   ============================================================ */
.air-gallery { display: flex; flex-direction: column; gap: clamp(14px, 2vw, 30px); }
.air-sec { padding-top: clamp(14px, 2vw, 30px); }

/* section caption marker */
.air-marker { display: flex; align-items: baseline; gap: 16px; padding: clamp(40px,6vh,90px) 0 clamp(26px,3vw,44px); }
.air-marker .n { font-family: var(--air-sans); font-size: 12px; letter-spacing: 0.12em; color: var(--air-accent); font-weight: 600; }
.air-marker .t { font-family: var(--air-serif); font-weight: 700; font-size: clamp(26px, 3.6vw, 56px); line-height: 1; color: var(--air-ink); letter-spacing: -0.03em; }
.air-marker .t em { font-style: normal; color: var(--air-muted); }

/* full-bleed single */
.air-single { aspect-ratio: 16 / 9; }
.air-single--tall { aspect-ratio: 4 / 5; }
.air-single--wide { aspect-ratio: 21 / 9; }

/* two-up */
.air-duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(14px, 2vw, 30px); }
.air-duo .air-fig { aspect-ratio: 4 / 5; }
.air-duo--wide .air-fig { aspect-ratio: 3 / 4; }

/* asymmetric split: big + small stacked */
.air-split { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(14px, 2vw, 30px); }
.air-split .big { aspect-ratio: 3 / 2.4; }
.air-split .col { display: grid; grid-template-rows: 1fr 1fr; gap: clamp(14px, 2vw, 30px); }
.air-split .col .air-fig { position: relative; }

/* trio of details */
.air-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 2vw, 30px); }
.air-trio .air-fig { aspect-ratio: 3 / 4; }

@media (max-width: 760px) {
  .air-duo, .air-split, .air-trio { grid-template-columns: 1fr; }
  .air-split .col { grid-template-rows: auto auto; }
  .air-split .big, .air-split .col .air-fig, .air-trio .air-fig { aspect-ratio: 4 / 3; }
}

/* pull-quote between images */
.air-quote { padding: clamp(80px, 13vh, 180px) 0; text-align: center; }
.air-quote p { font-family: var(--air-serif); font-weight: 700; font-style: normal; font-size: clamp(26px, 3.6vw, 58px); line-height: 1.2; color: var(--air-ink); max-width: 20ch; margin: 0 auto; letter-spacing: -0.03em; }
.air-quote .air-label { display: block; margin-bottom: 32px; }

/* ============================================================
   CTA / FOOTER
   ============================================================ */
.air-cta { text-align: center; padding: clamp(70px, 11vh, 150px) 0; }
.air-ghost {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--air-sans); font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--air-ink);
  padding: 18px 40px; border: 1px solid var(--air-line); border-radius: 100px;
  transition: border-color 0.5s var(--air-ease), color 0.5s var(--air-ease), letter-spacing 0.5s var(--air-ease);
}
.air-ghost .ar { transition: transform 0.5s var(--air-ease); }
.air-ghost:hover { border-color: var(--air-accent); color: var(--air-accent); letter-spacing: 0.22em; }
.air-ghost:hover .ar { transform: translateX(6px); }

.air-foot { border-top: 1px solid var(--air-line); padding: clamp(36px, 5vw, 64px) var(--air-gutter); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.air-foot a.back { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--air-muted); transition: color 0.3s; }
.air-foot a.back:hover { color: var(--air-ink); }
.air-foot .name { font-family: var(--air-serif); font-size: clamp(22px, 2.4vw, 34px); color: var(--air-ink); font-weight: 700; letter-spacing: -0.025em; }
.air-foot .meta { font-size: 12px; letter-spacing: 0.04em; color: var(--air-muted); }

/* ============================================================
   REVEAL
   ============================================================ */
.air-reveal { opacity: 0; transform: translateY(34px); transition: opacity 1.1s var(--air-ease), transform 1.1s var(--air-ease); }
.air-reveal.in { opacity: 1; transform: none; }
.air-reveal[data-d="1"] { transition-delay: 0.1s; }
.air-reveal[data-d="2"] { transition-delay: 0.2s; }
.air-hero__cap, .air-scrollcue { opacity: 0; animation: air-fade 1.1s var(--air-ease) 0.3s forwards; }
@keyframes air-fade { to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .air-reveal, .air-hero__cap, .air-scrollcue { opacity: 1 !important; transform: none !important; animation: none !important; }
}

/* cursor dot */
.cursor-dot { position: fixed; top: 0; left: 0; z-index: 200; width: 8px; height: 8px; border-radius: 50%; background: var(--air-accent); pointer-events: none; transform: translate(-50%, -50%); mix-blend-mode: difference; transition: width 0.3s, height 0.3s, opacity 0.3s; opacity: 0; }
@media (hover: none) { .cursor-dot { display: none; } }

/* ---------- before / after slider ---------- */
.air-ba { touch-action: none; }
.air-ba .ba-before {
  position: absolute; inset: 0; z-index: 3; overflow: hidden;
  clip-path: inset(0 calc(100% - var(--ba, 50%)) 0 0);
}
.air-ba .ba-before image-slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: var(--ba, 50%); z-index: 5;
  width: 44px; margin-left: -22px; cursor: ew-resize;
  display: flex; align-items: center; justify-content: center;
}
.ba-handle .ba-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 12px rgba(0,0,0,0.35); }
.ba-handle .ba-grip {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; color: var(--air-ink);
  font-size: 12px; letter-spacing: -1px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  user-select: none;
}
.ba-tag {
  position: absolute; bottom: 14px; z-index: 4;
  font-family: var(--air-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.08em;
  color: #fff; background: rgba(0,0,0,0.55); padding: 6px 12px; border-radius: 6px;
  pointer-events: none;
}
.ba-tag--l { left: 14px; }
.ba-tag--r { right: 14px; }

/* ---------- double-click slot edit menu ---------- */
.slot-menu {
  position: fixed; z-index: 220; min-width: 220px; padding: 6px;
  background: #fff; border: 1px solid var(--air-line);
  border-radius: 12px; box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
  display: none; flex-direction: column; gap: 2px;
  opacity: 0; transform: translateY(-6px) scale(0.98); transform-origin: top left;
  transition: opacity 0.16s var(--air-ease), transform 0.16s var(--air-ease);
  font-family: var(--air-sans);
}
.slot-menu.is-open { display: flex; opacity: 1; transform: none; }
.slot-menu button { display: flex; align-items: center; gap: 11px; padding: 11px 13px; border-radius: 8px; font-size: 13.5px; font-weight: 500; color: var(--air-ink); text-align: left; transition: background 0.18s var(--air-ease); }
.slot-menu button:hover { background: rgba(26,23,20,0.06); }
.slot-menu button .i { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 6px; background: var(--air-accent); color: #fff; font-size: 16px; font-weight: 600; line-height: 1; }
.slot-menu button.danger { color: #b5503a; }
.slot-menu button.danger:hover { background: rgba(181, 80, 58, 0.1); }