/* Modernist — design-system tokens and component classes. This file is the source of truth for the system’s look; retune it here and see readme.md. */
/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("fonts/archivo-vietnamese.woff2") format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("fonts/archivo-latin-ext.woff2") format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("fonts/archivo-latin.woff2") format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}


:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #d42a10;
  --color-accent-2: #e15b47;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  /* Tonal ramps — generated in OKLCH on one shared lightness scale, so the
     same step of any role matches the others in visual value. */
  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #b51f07;
  --color-accent-700: #8f1600;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;

  --color-accent-2-100: #fff2ef;
  --color-accent-2-200: #ffe0da;
  --color-accent-2-300: #ffc4b9;
  --color-accent-2-400: #ff9784;
  --color-accent-2-500: #ef6853;
  --color-accent-2-600: #c94b39;
  --color-accent-2-700: #9e3526;
  --color-accent-2-800: #71261b;
  --color-accent-2-900: #471d16;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;

  --space-1: 4.0px;
  --space-2: 8.0px;
  --space-3: 12.0px;
  --space-4: 16.0px;
  --space-6: 24.0px;
  --space-8: 32.0px;

  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;

  /* Elevation — derived from the ground: soft ink-tinted shadows on a
     light theme, a hairline edge + ambient darkness on a dark one. */
  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.grayscale{filter:grayscale(1) contrast(1.08)}

/* ══════════════════════════════════════════════════════════════════════════
   Components — built with the tokens above. Plain CSS
   on plain HTML: no JavaScript, no build step. Each class is documented in
   readme.md and demonstrated in foundations/ and components/.
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 11px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 2px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text); /* matches the .input’s 14px —
     the pair sits side by side in sign-up rows */
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); justify-content: flex-start; text-align: left; }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 11px;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-divider);
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 2px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 20px;
}
.dialog-body { font-size: 14px; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }



body{margin:0}a{color:#252122}a:hover{color:var(--color-accent)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
section[id]{scroll-margin-top:72px}
@media (max-width:720px){section[id]{scroll-margin-top:104px}}
::selection{background:#252122;color:#f3f2f2}
.input::placeholder{color:var(--color-neutral-700);opacity:1}
/* Focus: every control gets a visible ring, even the ones reset with all:unset */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #252122 !important;outline-offset:2px !important}
.on-dark :focus-visible,.lb :focus-visible{outline-color:#f3f2f2 !important}
.ico{display:block;flex:none}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:#252122;color:#f3f2f2 !important;padding:12px 16px;font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.lead-label{font-family:var(--font-heading);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin:0;line-height:1.3}
.tnum{font-variant-numeric:tabular-nums}
/* Photos: black and white at rest, the real colours on hover / focus */
.grayscale{filter:grayscale(1) contrast(1.08) !important}
@media (hover:hover){.grayscale:hover{filter:grayscale(0) contrast(1) !important}}
.grayscale:focus-visible{filter:grayscale(0) contrast(1) !important}
@media (prefers-reduced-motion:no-preference){.grayscale{transition:filter .6s cubic-bezier(.16,1,.3,1)}}
/* Header */
.pbk-header{position:sticky;top:0;z-index:10;background:var(--color-bg);border-bottom:2px solid #252122;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:stretch}
.pbk-brand{display:flex;align-items:center;padding:0 clamp(16px,3vw,40px);background:#000;color:#878787 !important;text-decoration:none;font-family:var(--font-heading);font-weight:800;font-size:30px;letter-spacing:-0.04em}
.pbk-nav{display:flex;gap:clamp(4px,1.4vw,24px);align-items:center;padding:6px clamp(8px,2vw,28px);font-size:14px;font-weight:600}
.pbk-nav a{color:#252122;text-decoration:none;padding:12px 8px}
.pbk-nav a:hover{color:var(--color-accent)}
.pbk-cta{display:flex;align-items:center;gap:10px;padding:0 clamp(16px,3vw,40px);background:var(--color-accent);color:var(--color-bg) !important;text-decoration:none;font-family:var(--font-heading);font-weight:800;font-size:16px}
.pbk-cta:hover{background:var(--color-accent-600)}
@media (max-width:720px){
  .pbk-header{grid-template-columns:auto 1fr}
  .pbk-brand{min-height:52px;font-size:26px}
  .pbk-cta{justify-self:end;min-height:52px}
  .pbk-nav{grid-column:1/-1;grid-row:2;border-top:2px solid #252122;overflow-x:auto;white-space:nowrap;padding:0 8px;gap:0;scrollbar-width:none}
  .pbk-nav::-webkit-scrollbar{display:none}
  .pbk-meta>div{border-right:0 !important;border-bottom:1px solid var(--color-divider);padding-block:12px !important}
  .pbk-meta>div:last-child{border-bottom:0}
}
/* Segmented filters: borders collapse cleanly however the row wraps */
.seg-row{display:flex;flex-wrap:wrap;padding:0 2px 2px 0}
.seg-row button{border:2px solid #252122;margin:0 -2px -2px 0;font:inherit;font-size:13px;font-weight:600;padding:10px 14px;min-height:44px;cursor:pointer}
.seg-row.thin button{border-width:1px;border-color:var(--color-divider);margin:0 -1px -1px 0;font-weight:400}
.seg-row.thin{padding:0 1px 1px 0}
/* Method timeline: 7 steps on wide screens, wraps instead of hiding AOR off-screen */
.phases{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:2px solid #252122}
@media (max-width:820px){.phases{grid-template-columns:repeat(4,minmax(0,1fr))}}
/* Projects grid: never more than three per row, so six cards fill two rows */
.refs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,max(300px,33.333%)),1fr))}
/* Clients strip */
.clients{border-bottom:2px solid #252122;display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr)}
@media (max-width:720px){.clients{grid-template-columns:1fr}.clients>div:first-child{border-right:0 !important;border-bottom:2px solid #252122;padding-bottom:16px !important}}
.req{color:var(--color-accent)}
.pbk-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:560px){.pbk-form{grid-template-columns:minmax(0,1fr)}}
body.lb-lock{overflow:hidden}

[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%}
.photo{all:unset;box-sizing:border-box;cursor:zoom-in;display:block;position:relative;overflow:hidden;background:var(--color-surface)}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo .count{position:absolute;left:0;bottom:0;background:#252122;color:var(--color-bg);font-size:12px;font-weight:600;padding:8px 12px}
.mission{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:12px 32px;align-items:baseline;padding:28px clamp(16px,3vw,40px);border-bottom:2px solid var(--color-divider)}
@media (hover:hover){.mission:hover{background:var(--color-surface)}}
.facts{display:flex;flex-direction:column;border-top:2px solid #252122}
.facts.dark{border-top-color:#3d3839;margin-top:8px}
.fact{display:grid;grid-template-columns:110px 1fr;gap:8px;padding:10px 0;border-bottom:1px solid var(--color-divider);font-size:14px}
.fact .fk{color:var(--color-neutral-700)}
.facts.dark .fact{border-bottom-color:#3d3839}.facts.dark .fk{color:#878787}
.client{font-family:var(--font-heading);font-weight:800;font-size:clamp(18px,1.8vw,26px);letter-spacing:-0.02em;padding:8px 0;display:flex;align-items:center;gap:18px;margin-right:18px}
.client .sq{width:10px;height:10px;background:var(--color-accent);display:block}
.phase{all:unset;box-sizing:border-box;cursor:pointer;position:relative;padding:20px 16px 20px 0;display:flex;flex-direction:column;gap:10px;border-bottom:2px solid var(--color-divider)}
.phase .bar{position:absolute;top:-2px;left:0;right:0;height:8px}
.phase .code{font-family:var(--font-heading);font-weight:800;font-size:clamp(32px,3.4vw,52px);line-height:1;letter-spacing:-0.04em}
.more{all:unset;box-sizing:border-box;cursor:pointer;display:flex;justify-content:space-between;align-items:center;width:100%;padding:24px clamp(16px,3vw,40px);font-family:var(--font-heading);font-weight:800;font-size:clamp(20px,2vw,28px);letter-spacing:-0.02em}
@media (hover:hover){.more:hover{background:#252122;color:var(--color-bg)}}
.lb{position:fixed;inset:0;z-index:50;background:#151112;color:var(--color-bg);display:flex;flex-direction:column;overflow:auto}
.lb-top{display:flex;justify-content:space-between;align-items:stretch;border-bottom:2px solid #3d3839}
.lb-count{padding:16px clamp(16px,3vw,40px);font-family:var(--font-heading);font-weight:800;font-size:16px;color:#878787}
.lb-btn{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-close{gap:10px;padding:16px clamp(16px,3vw,40px);font-weight:600;font-size:14px;border-left:2px solid #3d3839}
@media (hover:hover){.lb-btn:hover{background:#3d3839 !important}}
.lb-body{flex:1;display:flex;flex-wrap:wrap;min-height:0}
.lb-stage{flex:3 1 520px;display:flex;flex-direction:column;min-width:0}
.lb-view{flex:1;position:relative;display:flex;align-items:center;justify-content:center;padding:24px;min-height:50vh}
.lb-view img{max-width:100%;max-height:calc(100vh - 240px);object-fit:contain;display:block}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:#252122;width:56px;height:56px}
.lb-thumbs{display:flex;gap:2px;padding:0 24px 24px;overflow-x:auto}
.lb-thumb{all:unset;box-sizing:border-box;cursor:pointer;flex:0 0 96px;height:72px;position:relative;opacity:.55}
.lb-thumb.cur{opacity:1;outline:3px solid #f3f2f2;outline-offset:-3px}
.lb-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lb-side{flex:1 1 300px;max-width:100%;border-left:2px solid #3d3839;padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:16px}
.lb-cta{margin-top:auto;color:var(--color-bg) !important;border-color:var(--color-bg) !important;background:transparent;justify-content:space-between;padding:14px 16px}
@media (max-width:720px){.lb-view{min-height:40vh;padding:12px}.lb-view img{max-height:60vh}.lb-nav{width:48px;height:48px}.lb-side{border-left:0;border-top:2px solid #3d3839}}
.hp{position:absolute !important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-error{grid-column:1/-1;margin:0;padding:12px 14px;border:2px solid var(--color-accent);color:var(--color-accent-700);font-weight:600;font-size:14px}
.btn[disabled]{opacity:.6;cursor:progress}
.doc{max-width:760px;padding:clamp(40px,6vw,96px) clamp(16px,3vw,40px);font-size:16px;line-height:1.6}
.doc h1{font-size:clamp(36px,5vw,64px);line-height:1.04;letter-spacing:-0.04em;margin:0 0 32px}
.doc h2{font-size:22px;margin:40px 0 8px;letter-spacing:-0.015em}
.doc a{color:var(--pbk-ink)}
.todo{background:#ffe0d9;color:#7c1405;font-weight:600;padding:0 4px}
#slot-triptych figcaption{color:var(--color-text)}