/* =========================================================
   Asian Appraisal Company, Inc. — Design System
   Premium editorial · professional blue · Spectral + Hanken Grotesk + IBM Plex Mono
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Rufina:wght@400;700&family=Average+Sans&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* surfaces */
  --paper:      oklch(0.987 0.004 250);
  --paper-2:    oklch(0.962 0.006 250);
  --paper-3:    oklch(0.935 0.008 252);
  --card:       oklch(1 0 0);

  /* ink */
  --ink:        oklch(0.255 0.028 256);
  --ink-soft:   oklch(0.42 0.022 256);
  --muted:      oklch(0.56 0.016 256);
  --line:       oklch(0.885 0.012 256);
  --line-soft:  oklch(0.93 0.008 256);

  /* brand blue */
  --blue:       oklch(0.46 0.125 252);
  --blue-deep:  oklch(0.305 0.082 257);
  --blue-night: oklch(0.255 0.062 258);
  --blue-bright:oklch(0.56 0.145 250);
  --blue-tint:  oklch(0.93 0.028 252);

  /* accent — restrained brass, used sparingly */
  --brass:      oklch(0.74 0.094 76);
  --brass-deep: oklch(0.62 0.10 70);

  /* type */
  --serif: 'Rufina', Georgia, 'Times New Roman', serif;
  --sans:  'Average Sans', system-ui, -apple-system, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  /* layout */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 16px;

  --shadow-sm: 0 1px 2px rgba(20,38,66,.05), 0 2px 8px rgba(20,38,66,.04);
  --shadow-md: 0 6px 24px rgba(20,38,66,.08), 0 2px 6px rgba(20,38,66,.05);
  --shadow-lg: 0 24px 60px rgba(20,38,66,.14), 0 6px 18px rgba(20,38,66,.08);

  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--blue); color: #fff; }

/* ---------- type ---------- */
h1,h2,h3,h4 { font-family: var(--serif); font-weight: 400; color: var(--ink); margin: 0; line-height: 1.08; letter-spacing: -.01em; }
.display { font-size: clamp(2.6rem, 6.2vw, 5rem); font-weight: 300; letter-spacing: -.022em; line-height: 1.02; }
.h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 300; }
.h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.lede { font-size: clamp(1.12rem, 1.6vw, 1.36rem); line-height: 1.6; color: var(--ink-soft); font-weight: 400; }
p { margin: 0 0 1.1em; text-wrap: pretty; }
em { font-style: italic; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: .7em;
}
.eyebrow::before {
  content: "";
  width: 1.8em; height: 1px;
  background: var(--brass);
  display: inline-block;
}
.eyebrow.no-rule::before { display: none; }
.serif-accent { font-family: var(--serif); font-style: italic; color: var(--blue); font-weight: 400; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-wide { max-width: 1440px; margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 9vw, 128px); }
.section-sm { padding-block: clamp(48px, 6vw, 84px); }
.grid { display: grid; gap: clamp(20px, 3vw, 40px); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){ .cols-3,.cols-4 { grid-template-columns: repeat(2,1fr); } .cols-2 { grid-template-columns: 1fr; } }
@media (max-width: 600px){ .cols-3,.cols-4 { grid-template-columns: 1fr; } }

.center { text-align: center; }
.measure { max-width: 62ch; }
.measure-sm { max-width: 46ch; }

.bg-paper2 { background: var(--paper-2); }
.bg-tint   { background: var(--blue-tint); }
.dark { background: var(--blue-night); color: oklch(0.92 0.012 252); }
.dark h1,.dark h2,.dark h3,.dark h4 { color: oklch(0.97 0.008 250); }
.dark .lede { color: oklch(0.82 0.02 250); }
.dark .eyebrow { color: oklch(0.78 0.07 250); }

.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--blue);
  --fg: #fff;
  font-family: var(--sans);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .005em;
  display: inline-flex; align-items: center; gap: .6em;
  padding: .85em 1.5em;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--bg);
  border-radius: 12px;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .2s;
  white-space: nowrap;
}
.btn:hover { background: var(--blue-deep); border-color: var(--blue-deep); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn-ghost { --bg: transparent; --fg: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn-light { --bg: #fff; --fg: var(--blue-deep); }
.btn-light:hover { background: var(--blue-tint); border-color: var(--blue-tint); color: var(--blue-deep); }
.btn-outline-light { --bg: transparent; --fg: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }
.btn-lg { padding: 1.05em 1.9em; font-size: 1rem; }

/* WebGL flowing-navy fill on primary buttons */
.btn.has-gl { position: relative; overflow: hidden; isolation: isolate; background: var(--blue-night); border-color: transparent; }
.btn.has-gl, .btn.has-gl:hover { background: var(--blue-night); border-color: transparent; color: #fff; }
.btn-gl-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; pointer-events: none; }
.btn.has-gl .btn-label { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: .6em; }
.btn.has-gl::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,.30) 50%, transparent 68%);
  transform: translateX(-130%); transition: transform .7s var(--ease);
}
.btn.has-gl:hover::after { transform: translateX(130%); }
.btn.has-gl:hover { transform: translateY(-3px) scale(1.018); box-shadow: 0 14px 34px rgba(16,30,58,.34); }
.btn.has-gl:active { transform: translateY(-1px) scale(.995); }
@media (prefers-reduced-motion: reduce){ .btn.has-gl::after { display: none; } .btn.has-gl:hover { transform: translateY(-2px); } }

.textlink {
  font-family: var(--mono); font-size: .78rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--blue);
  display: inline-flex; align-items: center; gap: .6em;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: gap .25s var(--ease), border-color .25s;
}
.textlink:hover { gap: 1em; border-color: var(--brass); }
.textlink .arr { transition: transform .25s var(--ease); }
.textlink:hover .arr { transform: translateX(3px); }

/* ---------- image placeholders ---------- */
.ph {
  position: relative;
  background-color: var(--paper-3);
  background-image:
    repeating-linear-gradient(135deg,
      oklch(0.90 0.012 252) 0 1px,
      transparent 1px 11px);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  color: var(--muted);
}
.ph::after {
  content: attr(data-label);
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-soft);
  background: rgba(255,255,255,.78);
  padding: .5em .85em; border: 1px solid var(--line); border-radius: 12px;
  backdrop-filter: blur(2px);
  text-align: center; max-width: 80%;
}
.ph.dark-ph {
  background-color: var(--blue-deep);
  background-image: repeating-linear-gradient(135deg, oklch(0.34 0.07 256) 0 1px, transparent 1px 13px);
  border-color: oklch(0.40 0.06 256);
}
.ph.dark-ph::after { background: rgba(20,32,56,.6); color: oklch(0.85 0.03 252); border-color: oklch(0.42 0.06 256); }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; }
.utility {
  background: var(--blue-night); color: oklch(0.80 0.02 250);
  font-size: .78rem;
  transition: height .3s var(--ease), opacity .3s, padding .3s;
}
.utility .wrap-wide { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 40px; }
.utility a { color: inherit; transition: color .2s; }
.utility a:hover { color: #fff; }
.utility .u-left { display: flex; align-items: center; gap: .55rem; font-family: var(--mono); letter-spacing: .03em; white-space: nowrap; min-width: 0; }
.utility .u-left .addr { overflow: hidden; text-overflow: ellipsis; }
.utility .u-right { display: flex; align-items: center; gap: 1.6rem; font-family: var(--mono); letter-spacing: .03em; white-space: nowrap; flex: none; }
.utility .pin { width: 13px; height: 13px; opacity: .7; flex: none; }
@media (max-width: 760px){ .utility .u-left span.addr { display: none; } }

.navbar {
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .3s var(--ease), background .3s;
}
.navbar .wrap-wide { display: flex; align-items: center; gap: 2rem; height: 84px; transition: height .3s var(--ease); }
.scrolled .navbar { box-shadow: var(--shadow-sm); background: rgba(255,255,255,.94); }
.scrolled .navbar .wrap-wide { height: 68px; }
.scrolled .utility .wrap-wide { height: 0; opacity: 0; overflow: hidden; }

.brand { display: flex; align-items: center; gap: .85rem; margin-right: auto; flex: none; }
.brand .bword b, .brand .bword small { white-space: nowrap; }
.brand-logo { height: 42px; width: auto; display: block; transition: height .3s var(--ease); }
.scrolled .navbar .brand-logo { height: 34px; }
.foot-logo-chip { display: inline-block; background: #fff; padding: 13px 17px; border-radius: 16px; box-shadow: var(--shadow-sm); }
.foot-logo-chip img { height: 40px; width: auto; display: block; }
.brand .mark {
  width: 42px; height: 42px; flex: none;
  border: 1.5px solid var(--blue); border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--serif); font-weight: 500; font-size: 1.2rem; color: var(--blue);
  position: relative;
}
.brand .mark::after { content:""; position:absolute; inset:4px; border-radius:50%; border:1px solid var(--blue-tint); }
.brand .bword { line-height: 1; }
.brand .bword b { font-family: var(--serif); font-weight: 500; font-size: 1.18rem; letter-spacing: .01em; color: var(--ink); display:block; }
.brand .bword small { font-family: var(--mono); font-size: .58rem; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); display:block; margin-top:3px; }
.scrolled .brand .mark { width: 36px; height: 36px; font-size: 1.05rem; }

.nav { display: flex; align-items: center; gap: .1rem; }
.nav > li { position: relative; list-style: none; }
.nav a.navlink {
  display: flex; align-items: center; gap: .35em;
  font-size: .8rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
  color: var(--ink-soft); padding: .7em .64em; border-radius: 12px;
  transition: color .2s;
  position: relative;
}
.nav a.navlink::after {
  content:""; position:absolute; left:.64em; right:.64em; bottom:.45em; height:1.5px;
  background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav a.navlink:hover { color: var(--blue); }
.nav a.navlink:hover::after, .nav li.current > a.navlink::after { transform: scaleX(1); }
.nav li.current > a.navlink { color: var(--blue); }
.nav .caret { width: 8px; height: 8px; opacity: .6; transition: transform .25s; }
.nav li.has-menu:hover .caret { transform: rotate(180deg); }

/* dropdown */
.dropdown {
  position: absolute; top: calc(100% - 2px); left: 0;
  min-width: 290px; background: #fff;
  border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  z-index: 50;
}
.nav li.has-menu:hover .dropdown,
.nav li.has-menu:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: flex; flex-direction: column; gap: 2px;
  padding: .7em .85em; border-radius: 12px; transition: background .18s, color .18s;
}
.dropdown a strong { font-family: var(--sans); font-weight: 600; font-size: .92rem; color: var(--ink); letter-spacing: 0; text-transform: none; }
.dropdown a span { font-size: .78rem; color: var(--muted); }
.dropdown a:hover { background: var(--blue-tint); }
.dropdown a:hover strong { color: var(--blue-deep); }
.dropdown .sub-label {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); padding: .9em .9em .35em; margin-top: 4px; border-top: 1px solid var(--line-soft);
}

.nav-cta { margin-left: .35rem; }

/* burger */
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; margin-left:auto; }
.burger span { width: 26px; height: 2px; background: var(--ink); transition: .3s var(--ease); }
.mobile-open .burger span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.mobile-open .burger span:nth-child(2){ opacity: 0; }
.mobile-open .burger span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0 0 0 auto; width: min(420px, 90vw);
  background: var(--paper); z-index: 200; transform: translateX(100%);
  transition: transform .4s var(--ease); box-shadow: var(--shadow-lg);
  overflow-y: auto; padding: 84px var(--gutter) 40px;
}
.mobile-open .mobile-menu { transform: translateX(0); }
.mobile-menu .close { position: absolute; top: 22px; right: var(--gutter); background:none;border:0;cursor:pointer;font-size:1.8rem;color:var(--ink); line-height:1; }
.mobile-menu ul { list-style: none; margin: 0; padding: 0; }
.mobile-menu > ul > li { border-bottom: 1px solid var(--line); }
.mobile-menu a.m-link { display: block; padding: 1em 0; font-family: var(--serif); font-size: 1.4rem; color: var(--ink); }
.mobile-menu .m-sub a { display:block; padding: .5em 0 .5em 1rem; font-family: var(--sans); font-size: 1rem; color: var(--ink-soft); }
.mobile-menu .m-sub { padding-bottom: .8em; }
.scrim { position: fixed; inset:0; background: rgba(16,26,46,.5); opacity:0; visibility:hidden; transition:.3s; z-index:150; }
.mobile-open .scrim { opacity:1; visibility:visible; }
@media (max-width: 1160px){
  .nav, .nav-cta { display: none; }
  .burger { display: flex; }
}

/* ---------- page hero (inner pages) ---------- */
.page-hero { background: var(--blue-night); color: #fff; position: relative; overflow: hidden; }
.page-hero::before {
  content:""; position:absolute; inset:0;
  background: radial-gradient(120% 90% at 85% -10%, oklch(0.40 0.10 255 / .7), transparent 60%);
}
.page-hero .wrap { position: relative; padding-block: clamp(70px, 11vw, 150px) clamp(48px, 7vw, 90px); }
.page-hero .eyebrow { color: oklch(0.80 0.07 250); }
.page-hero h1 { color: #fff; max-width: 18ch; }
.page-hero .lede { color: oklch(0.84 0.02 250); margin-top: 1.2rem; }
.crumbs { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: oklch(0.72 0.04 250); margin-bottom: 1.6rem; display:flex; gap:.6em; align-items:center; }
.crumbs a:hover { color:#fff; }
.crumbs .sep { opacity: .5; }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-soft); }
.card .card-body { padding: clamp(20px, 2.4vw, 32px); }

.stat-num { font-family: var(--serif); font-weight: 300; font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1; letter-spacing: -.02em; }
.stat-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: .7rem; }

/* feature list */
.flist { list-style: none; margin: 0; padding: 0; }
.flist li { position: relative; padding: .55em 0 .55em 1.7em; border-bottom: 1px solid var(--line-soft); }
.flist li::before { content:""; position:absolute; left:0; top:1.05em; width:7px; height:7px; background: var(--blue); transform: rotate(45deg); }
.flist.on-dark li { border-color: rgba(255,255,255,.12); }
.flist.on-dark li::before { background: var(--brass); }

/* ---------- accordion ---------- */
.acc-item { border-top: 1px solid var(--line); }
.acc-item:last-child { border-bottom: 1px solid var(--line); }
.acc-head { width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  display: flex; align-items: center; gap: 1.2rem; padding: clamp(1.1rem,2vw,1.7rem) 0;
  font-family: var(--serif); font-size: clamp(1.25rem,2.2vw,1.7rem); color: var(--ink); transition: color .2s; }
.acc-head:hover { color: var(--blue); }
.acc-idx { font-family: var(--mono); font-size: .8rem; color: var(--brass-deep); letter-spacing: .1em; flex: none; width: 2.4rem; padding-top:.4em; }
.acc-plus { margin-left: auto; flex: none; width: 22px; height: 22px; position: relative; }
.acc-plus::before, .acc-plus::after { content:""; position:absolute; background: var(--blue); transition: transform .3s var(--ease); }
.acc-plus::before { left: 0; right: 0; top: 50%; height: 2px; transform: translateY(-50%); }
.acc-plus::after { top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); }
.acc-item.open .acc-plus::after { transform: translateX(-50%) scaleY(0); }
.acc-body { overflow: hidden; height: 0; transition: height .4s var(--ease); }
.acc-body-inner { padding: 0 0 1.8rem 2.4rem; }
@media (max-width:600px){ .acc-body-inner { padding-left: 0; } .acc-idx{ display:none; } }

/* reveal — hidden state only applies once JS confirms animations can run (html.anim-on) */
html.anim-on [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
html.anim-on [data-reveal].in { opacity: 1; transform: none; }
html.anim-on [data-reveal-stagger] > * { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.anim-on [data-reveal-stagger].in > * { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }

/* ---------- footer ---------- */
.site-footer { background: var(--blue-night); color: oklch(0.78 0.02 250); padding-top: clamp(56px, 7vw, 96px); }
.site-footer h4 { color:#fff; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: clamp(28px, 4vw, 56px); padding-bottom: 56px; }
@media (max-width: 900px){ .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px){ .foot-grid { grid-template-columns: 1fr; } }
.foot-brand .mark { width:46px;height:46px;border-color:rgba(255,255,255,.5);color:#fff; }
.foot-brand .mark::after{ border-color: rgba(255,255,255,.2); }
.foot-col h5 { font-family: var(--mono); font-size:.68rem; letter-spacing:.2em; text-transform:uppercase; color: oklch(0.70 0.05 250); margin:0 0 1.2rem; font-weight:500; }
.foot-col ul { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.7rem; }
.foot-col a { color: oklch(0.80 0.02 250); font-size:.95rem; transition: color .2s, padding-left .2s; }
.foot-col a:hover { color:#fff; padding-left: 4px; }
.foot-contact { font-style: normal; line-height: 1.8; font-size:.95rem; }
.foot-contact a:hover { color:#fff; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-block: 26px; display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap; font-family: var(--mono); font-size:.74rem; letter-spacing:.04em; color: oklch(0.64 0.03 250); }
.foot-bottom a:hover { color:#fff; }

/* ---------- slider ---------- */
.slider { position: relative; }
.slider .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .9s var(--ease); }
.slider .slide.active { opacity: 1; }
.slider .slide:not(.active) { pointer-events: none; }
.slider .slide .ph { width: 100%; height: 100%; }
.slider-frame { position: relative; overflow: hidden; height: 100%; }
.sl-ctrl { position: absolute; bottom: 18px; right: 18px; display: flex; gap: 8px; z-index: 4; }
.sl-arrow { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4); background: rgba(18,30,52,.5); color: #fff; cursor: pointer; display: grid; place-items: center; transition: background .25s, transform .25s; backdrop-filter: blur(4px); }
.sl-arrow:hover { background: var(--blue); transform: scale(1.06); border-color: var(--blue); }
.sl-dots { position: absolute; left: 20px; bottom: 26px; display: flex; gap: 8px; z-index: 4; }
.sl-dot { width: 30px; height: 3px; border: 0; padding: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: background .3s; border-radius: 12px; }
.sl-dot.active { background: #fff; }
.sl-caption { position: absolute; left: 20px; bottom: 40px; z-index: 4; font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.9); }

/* ---------- tabs (segmented) ---------- */
.tabs-bar { display: inline-flex; gap: 4px; padding: 4px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px; flex-wrap: wrap; }
.tab-btn { font-family: var(--sans); font-weight: 600; font-size: .85rem; letter-spacing: .02em; padding: .65em 1.2em; border: 0; background: none; color: var(--ink-soft); cursor: pointer; border-radius: 12px; transition: background .2s, color .2s; }
.tab-btn.active { background: var(--blue); color: #fff; box-shadow: var(--shadow-sm); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade .5s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- forms ---------- */
.field { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.3rem; }
.field label { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }
.field label .req { color: var(--brass-deep); }
.field input, .field textarea, .field select {
  font-family: var(--sans); font-size: 1rem; color: var(--ink);
  padding: .85em 1em; border: 1px solid var(--line); border-radius: 12px; background: #fff;
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-tint); }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: oklch(0.58 0.16 28); box-shadow: 0 0 0 3px oklch(0.92 0.05 28); }
.field .err { display: none; font-family: var(--sans); font-size: .82rem; color: oklch(0.55 0.16 28); letter-spacing: 0; text-transform: none; }
.field.invalid .err { display: block; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.4rem; }
@media (max-width: 640px){ .form-grid { grid-template-columns: 1fr; } }
.span-2 { grid-column: 1 / -1; }
.form-success { display: none; background: var(--blue-tint); border: 1px solid var(--blue); border-radius: 16px; padding: clamp(28px,4vw,48px); }
.form-success .check { width: 56px; height: 56px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; margin-bottom: 1.2rem; }

/* logo panels */
.logo-panel { aspect-ratio: 16/9; display: grid; place-items: center; background: transparent; padding: 8% 12%; border-bottom: 1px solid var(--line-soft); }
.logo-panel img { width: 84%; max-width: 250px; max-height: 88px; height: auto; object-fit: contain; }
.logo-feature { display: grid; place-items: center; background: transparent; padding: clamp(16px, 4%, 40px); min-height: 180px; }
.logo-feature img { width: 86%; max-width: 420px; height: auto; object-fit: contain; }

/* chip group */
.chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip-radio { position: relative; }
.chip-radio input { position: absolute; opacity: 0; }
.chip-radio span { display: inline-block; padding: .6em 1.1em; border: 1px solid var(--line); border-radius: 12px; font-size: .9rem; font-weight: 500; color: var(--ink-soft); cursor: pointer; transition: all .2s; }
.chip-radio input:checked + span { background: var(--blue); border-color: var(--blue); color: #fff; }
.chip-radio span:hover { border-color: var(--blue); }

/* misc utilities */
/* ---------- motion (CSS reveal + WebGL) ---------- */
/* hero/intro hidden state only applies once JS confirms animations can run */
html.anim-on [data-anim-hero]:not([data-split]), html.anim-on .page-hero .crumbs, html.anim-on .page-hero .eyebrow, html.anim-on .page-hero .lede {
  opacity: 0; transform: translateY(22px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
html.anim-on [data-anim-hero][data-split], html.anim-on .page-hero h1 { opacity: 0; }
.aw { display: inline-block; overflow: hidden; vertical-align: top; padding: 0 .14em .16em; margin: 0 -.14em -.16em; }
.aw-i { display: inline-block; }
html.anim-on .aw-i { transform: translateY(122%); transition: transform 1s var(--ease); will-change: transform; }
html.anim-on.hero-in [data-anim-hero]:not([data-split]),
html.anim-on.hero-in .page-hero .crumbs, html.anim-on.hero-in .page-hero .eyebrow, html.anim-on.hero-in .page-hero .lede { opacity: 1; transform: none; }
html.anim-on.hero-in .aw-i { transform: none; }
[data-webgl] { position: relative; isolation: isolate; }
[data-webgl] > .wrap, [data-webgl] > .wrap-wide { position: relative; z-index: 1; }
.webgl-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .webgl-canvas { display: none; } }

.stack-sm > * + * { margin-top: .8rem; }
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.6rem}.mt-4{margin-top:2.4rem}.mt-5{margin-top:3.4rem}
.tag { display:inline-block; font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--blue); background:var(--blue-tint); padding:.4em .8em; border-radius:12px; }