/* ═══════════════════════════════════════════
   Base — shared chrome for EVERY page
   Reset · grain · cursor · nav · links · buttons ·
   callout · footer · motion. Colours come from tokens.css.
   Load order per page:  tokens.css → base.css → <page>.css
   ═══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (pointer: fine) { body { cursor: none; } }

/* ── Film grain ── */
body::before {
  content: '';
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: var(--grain-opacity);
  pointer-events: none;
  z-index: 0;
  animation: grain 0.8s steps(2) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  10%  { transform: translate(-2%, -3%); }
  20%  { transform: translate( 3%,  2%); }
  30%  { transform: translate(-1%,  4%); }
  40%  { transform: translate( 2%, -1%); }
  50%  { transform: translate(-3%,  1%); }
  60%  { transform: translate( 1%,  3%); }
  70%  { transform: translate( 3%, -2%); }
  80%  { transform: translate(-2%,  2%); }
  90%  { transform: translate( 1%, -3%); }
}

/* ── Custom cursor (pill — expands with a label inside on .mag hover) ── */
.cursor {
  position: fixed; width: 7px; height: 7px;
  background: var(--text); border-radius: 999px;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width calc(0.4s * var(--dur)) cubic-bezier(0.16,1,0.3,1), height calc(0.4s * var(--dur)) cubic-bezier(0.16,1,0.3,1), opacity calc(0.2s * var(--dur)) ease;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.cursor.hover { opacity: 0.45; }
@media (pointer: coarse) { .cursor, .cursor-label { display: none; } }

.cursor-label { position: fixed; pointer-events: none; z-index: 10000; transform: translate(-50%, -50%); }
.cursor-label-text {
  display: block; font-size: 0.55rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--bg); white-space: nowrap; opacity: 0;
}
.cursor-label-text.slide-in  { animation: labelIn  calc(0.4s  * var(--dur)) cubic-bezier(0.16,1,0.3,1) forwards; }
.cursor-label-text.slide-out { animation: labelOut calc(0.18s * var(--dur)) ease forwards; }
@keyframes labelIn  { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes labelOut { from { opacity: 1; transform: scale(1); filter: blur(0px); } to { opacity: 0; transform: scale(0.6); filter: blur(4px); } }

/* ── Nav (shared chrome; page CSS sets position if needed) ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  backdrop-filter: blur(8px);
  background: var(--nav-gradient);
  transition: background 0.3s ease;
}
nav .nav-inner {
  max-width: var(--maxw-wide); margin: 0 auto;
  padding: 1.3rem clamp(1.5rem, 5vw, 2rem);
  display: flex; align-items: center; justify-content: space-between;
}
nav .brand {
  font-family: 'Playfair Display', serif; font-size: 1.05rem;
  letter-spacing: -0.01em; color: var(--text); text-decoration: none;
}
nav .nav-links { display: flex; align-items: center; gap: 1.6rem; }
nav .nav-links a {
  font-size: 0.78rem; letter-spacing: 0.04em; color: var(--muted);
  text-decoration: none; transition: color 0.3s ease;
}
nav .nav-links a:hover { color: var(--text); }
@media (pointer: fine) { nav a, nav button { cursor: none; } }
@media (max-width: 600px) { nav .nav-links a:not(.persist) { display: none; } }
/* Touch devices: comfortable tap targets for the most-used nav controls.
   Negative margin on the toggle keeps the nav's visual height unchanged. */
@media (pointer: coarse) {
  .theme-toggle { padding: 0.85rem; margin: -0.6rem; }
  nav .nav-links a, nav .back { padding-block: 0.5rem; }
}
.back { font-size: 0.82rem; color: var(--muted); text-decoration: none; transition: color 0.3s ease; }
@media (pointer: fine) { .back { cursor: none; } }
.back:hover { color: var(--text); }

/* ── Theme toggle ── */
.theme-toggle {
  background: none; border: none; padding: 0.25rem;
  color: var(--muted); display: flex; align-items: center; justify-content: center;
  border-radius: 6px; line-height: 0;
  transition: color 0.3s ease;
}
@media (pointer: fine) { .theme-toggle { cursor: none; } }
.theme-toggle:hover { color: var(--text); }
.theme-toggle .icon { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.icon-sun  { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun  { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun  { display: block; }
  :root:not([data-theme="light"]) .icon-moon { display: none; }
}

/* ── Layout ── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.5rem, 5vw, 2rem); position: relative; z-index: 1; }
.wrap.wide { max-width: var(--maxw-wide); }
section { padding: clamp(3rem, 6vw, 5rem) 0; }
section[id] { scroll-margin-top: 4.5rem; }

/* ── Eyebrow ── */
.eyebrow {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 1.6rem;
}
.eyebrow .chap { color: var(--text); opacity: 0.35; margin-right: 0.35rem; }

/* ── Reveal on scroll ── */
.reveal { opacity: 0; transform: translateY(16px); filter: blur(6px); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1), filter 0.24s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: translateY(0); filter: blur(0); }
/* Grouped reveals: a .stagger container cascades its .reveal children when revealed */
.stagger.in .reveal { opacity: 1; transform: translateY(0); filter: blur(0); }

/* ── Link ── */
.link {
  display: inline-flex; align-items: center; font-size: 0.875rem; font-weight: 400;
  color: var(--text); text-decoration: none; position: relative; padding-bottom: 2px;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
@media (pointer: fine) { .link { cursor: none; } }
.link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background: var(--text); transform-origin: left; transition: transform 0.35s cubic-bezier(0.16,1,0.3,1); }
.link:hover::after { transform-origin: right; transform: scaleX(0); }

/* ── Primary button ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; font-weight: 400; letter-spacing: 0.01em;
  color: var(--bg); background: var(--text); text-decoration: none;
  padding: 0.7rem 1.3rem; border-radius: 999px;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), opacity 0.3s ease;
}
@media (pointer: fine) { .btn { cursor: none; } }
.btn:hover { opacity: 0.88; }
.btn .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); animation: pulse 2s infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0   color-mix(in srgb, var(--accent) 50%, transparent); }
  70%  { box-shadow: 0 0 0 7px color-mix(in srgb, var(--accent) 0%,  transparent); }
  100% { box-shadow: 0 0 0 0   color-mix(in srgb, var(--accent) 0%,  transparent); }
}

/* ── Callout (shared) ── */
.callout {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.1rem 1.3rem; font-size: 0.88rem; color: var(--muted); margin-top: 2rem;
  display: flex; gap: 0.7rem; align-items: flex-start;
}
.callout.accent { border-left: 3px solid var(--text); }

/* ── Footer (shared component — identical on every page) ── */
footer { border-top: 1px solid var(--border); padding: 2.4rem 0; font-size: 0.75rem; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; }

/* ── Icons (Lucide, inline SVG) ── */
.lc { width: 1em; height: 1em; display: inline-block; vertical-align: -0.05em; flex: none; }
/* leading / trailing / inline arrows in links and prose */
.ic-lead, .ic-trail, .ic-inline { display: inline-flex; line-height: 0; }
.ic-lead .lc { width: 0.95em; height: 0.95em; margin-right: 0.4em; }
.ic-trail .lc { width: 0.95em; height: 0.95em; margin-left: 0.4em; }
.ic-inline .lc { width: 0.9em; height: 0.9em; }
/* callout leading icon */
.callout .callout-ic { flex: none; line-height: 0; margin-top: 0.1rem; }
.callout .lc { width: 1.1rem; height: 1.1rem; color: var(--text); }
/* metric card value rendered as an icon (✓ / ∞) */
.metric-card .num .ic-num { display: inline-flex; line-height: 0; }
.metric-card .num .lc { width: 1.9rem; height: 1.9rem; stroke-width: 1.75; vertical-align: -0.15em; }
/* proof sparkle */
.proof .tick .lc { width: 0.95em; height: 0.95em; vertical-align: -0.12em; }
.work-title .arrow .lc { width: 0.85em; height: 0.85em; vertical-align: -0.06em; }
.lb-close .lc, .lb-prev .lc, .lb-next .lc { width: 22px; height: 22px; }
.video-thumb .play span .lc { width: 22px; height: 22px; color: var(--play-icon); margin-left: 2px; }

/* ── Images: no-layout-shift safety net ── */
img { max-width: 100%; height: auto; }
picture { display: block; }

/* ── Zoomable content images (affordance) ── */
.fig .frame, .culture-photos { position: relative; }
.fig .frame img, .culture-photos img { display: block; transition: opacity 0.3s ease; }
/* corner zoom badge: circle (::before) + Lucide maximize icon (::after, masked
   so it follows the theme) — hover for cursors, always-on for touch */
.fig .frame::before, .culture-photos::before,
.fig .frame::after,  .culture-photos::after {
  content: ''; position: absolute; top: 0.7rem; right: 0.7rem;
  width: 30px; height: 30px; border-radius: 999px; z-index: 2;
  opacity: 0; transform: scale(0.8); pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.fig .frame::before, .culture-photos::before { background: var(--text); }
.fig .frame::after, .culture-photos::after {
  z-index: 3; background: var(--bg);
  -webkit-mask: var(--ic-maximize) center / 15px 15px no-repeat;
          mask: var(--ic-maximize) center / 15px 15px no-repeat;
}
@media (pointer: fine) {
  .fig .frame:hover img, .culture-photos:hover img { opacity: 0.9; }
  .fig .frame:hover::before, .culture-photos:hover::before { opacity: 0.92; transform: scale(1); }
  .fig .frame:hover::after,  .culture-photos:hover::after  { opacity: 1;    transform: scale(1); }
}
@media (pointer: coarse) {
  .fig .frame::before, .culture-photos::before { opacity: 0.82; transform: scale(1); }
  .fig .frame::after,  .culture-photos::after  { opacity: 0.92; transform: scale(1); }
}

/* ── Lightbox (full-screen image viewer) ── */
body.lb-lock { overflow: hidden; }
.lightbox {
  position: fixed; inset: 0; z-index: 11000;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8, 8, 8, 0.93);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.32s cubic-bezier(0.16,1,0.3,1), visibility 0.32s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lb-stage {
  position: relative; margin: 0; max-width: 94vw; max-height: 88vh;
  display: flex; flex-direction: column; align-items: center;
}
.lb-stage img {
  max-width: 94vw; max-height: 82vh; width: auto; height: auto;
  object-fit: contain; border-radius: 6px;
  transform-origin: center center; touch-action: none;
  user-select: none; -webkit-user-drag: none;
}
.lb-stage figcaption {
  color: rgba(255, 255, 255, 0.72); font-size: 0.8rem; line-height: 1.5;
  margin-top: 0.9rem; text-align: center; max-width: 72ch; padding: 0 1rem;
}
.lb-close, .lb-prev, .lb-next {
  position: fixed; z-index: 11001;
  width: 46px; height: 46px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  /* on-brand card surface — opaque, so it reads over any image and follows the theme */
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); box-shadow: var(--shadow-md);
  font-size: 1.4rem; line-height: 1;
  transition: border-color 0.25s ease, transform 0.25s cubic-bezier(0.16,1,0.3,1), box-shadow 0.25s ease;
}
/* Restore a real cursor inside the lightbox (the custom dot sits below the
   overlay and would be invisible against the dark backdrop). */
body.lb-lock .cursor, body.lb-lock .cursor-label { display: none !important; }
.lightbox { cursor: default; }
.lb-close, .lb-prev, .lb-next { cursor: pointer; }
.lb-stage img { cursor: zoom-in; }
.lightbox.zoomed .lb-stage img { cursor: zoom-out; }
.lb-close:hover, .lb-prev:hover, .lb-next:hover { border-color: var(--border-hover); }
.lb-close { top: 1.1rem; right: 1.1rem; }
.lb-prev { left: 1.1rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.1rem; top: 50%; transform: translateY(-50%); }
.lb-prev:hover { transform: translateY(-50%) scale(1.06); }
.lb-next:hover { transform: translateY(-50%) scale(1.06); }
.lightbox.single .lb-prev, .lightbox.single .lb-next { display: none; }
@media (max-width: 600px) {
  .lb-close { width: 42px; height: 42px; font-size: 1.2rem; }
  .lb-stage img { max-width: 92vw; max-height: 68vh; border-radius: 12px; }
  /* reserve room so centred image/caption never hide behind the nav cards */
  .lightbox:not(.single) { padding-bottom: 108px; }
  /* prev/next become two large thumb-reachable on-brand cards at the bottom */
  .lb-prev, .lb-next {
    top: auto; bottom: 16px; transform: none;
    width: calc(50% - 24px); height: 76px; border-radius: 14px;
  }
  .lb-prev { left: 16px; }
  .lb-next { right: 16px; }
  .lb-prev .lc, .lb-next .lc { width: 30px; height: 30px; }
  .lb-prev:active, .lb-next:active { transform: scale(0.97); border-color: var(--border-hover); }
  .lb-prev:hover, .lb-next:hover { transform: none; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal, .stagger .reveal,
  .hero .eyebrow, .hero .name, .hero .tagline, .hero .sub, .hero .links, .hero-cta, .proof { opacity: 1 !important; transform: none !important; filter: none !important; }
  .hero-divider { width: 2.5rem !important; }
}