/* Industry — 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 */

/* latin-ext */

/* latin */

/* vietnamese */

/* latin-ext */

/* latin */

/* vietnamese */

/* latin-ext */

/* latin */

/* vietnamese */

/* latin-ext */

/* latin */

/* vietnamese */

/* latin-ext */

/* latin */



:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, 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: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --color-accent-2-100: #eef6ff;
  --color-accent-2-200: #d6ebff;
  --color-accent-2-300: #bdd8f2;
  --color-accent-2-400: #9ebbd8;
  --color-accent-2-500: #7e9cb8;
  --color-accent-2-600: #627d98;
  --color-accent-2-700: #486077;
  --color-accent-2-800: #314457;
  --color-accent-2-900: #1f2d3a;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  /* 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, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 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); }

.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  border-radius: 0;
}
/* The overlay image treatments (halftone, duotone) clip their overlay
   (overflow:hidden); a blueprint wrapper draws its registration marks
   outside the box, so when both classes share a wrapper the frame must
   win. */
.blueprint.halftone, .blueprint.plate, .blueprint.duotone { overflow: visible; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.duotone{position:relative;overflow:hidden}
.duotone::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--color-accent);mix-blend-mode:color}

/* ══════════════════════════════════════════════════════════════════════════
   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: 1px; 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); }

/* — 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: 10px; letter-spacing: 0.1em; 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: none;
}
.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: 1px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}
.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); }

/* — blueprint frame: components are wireframe objects (see .blueprint
     and .corner above) — square, transparent, hairline-bordered — */
.card, .btn, .input, .tag, .seg, .dialog { border-radius: 0; }
.card, .dialog { background: transparent; border: 1px solid var(--color-divider); }
.btn { border: 1px solid var(--color-divider); }
.btn-primary { border-color: var(--color-accent); }
.btn-ghost { border-color: transparent; }



html { scroll-behavior: smooth; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); text-wrap: pretty; }
a { color: var(--color-accent-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-accent-900); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

*{box-sizing:border-box}img{max-width:100%}button,input,textarea,select{font:inherit}button{cursor:pointer}a{overflow-wrap:anywhere}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:var(--color-bg);padding:12px}.skip:focus{top:12px}
.portfolio-controls{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:24px}.portfolio-controls .seg{flex-wrap:wrap}.filter-button{border:0;border-right:1px solid var(--color-divider);background:transparent;padding:9px 14px;color:var(--color-accent-700);font-weight:600}.filter-button[aria-pressed=true]{background:var(--color-accent);color:#fff}.filter-button small{margin-left:6px;opacity:.75}#project-count{font-size:13px;opacity:.75}
.portfolio-layout{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:48px clamp(32px,5vw,72px);align-items:start}.project-index{border-top:1px solid var(--color-divider)}.project-row{width:100%;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 14px 18px 12px;border:0;border-bottom:1px solid var(--color-divider);background:transparent;text-align:left;color:var(--color-text)}.project-row[aria-selected=true]{background:var(--color-accent-100);box-shadow:inset 2px 0 0 var(--color-accent)}.project-row:hover{background:var(--color-accent-100)}.row-number{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--color-accent-700)}.row-name{font-family:var(--font-heading);font-size:26px;font-weight:600;line-height:1.1}.row-name small{display:block;font-family:var(--font-body);font-size:13px;font-weight:400;opacity:.72;margin-top:3px}.project-row .tag{white-space:nowrap;color:var(--color-accent-700);border-color:var(--color-accent-600)}.project-panels{position:sticky;top:96px}.project-panel{display:flex;flex-direction:column;gap:24px}.project-panel+.project-panel{margin-top:48px}.js .project-panel[hidden],.project-row[hidden]{display:none}.project-panel figure{margin:0;background:var(--color-surface)}.project-panel figure a{display:block;aspect-ratio:16/10;overflow:hidden}.project-panel img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block}.figure-caption{display:flex;justify-content:space-between;gap:12px;margin-top:-10px;font-size:11px;letter-spacing:.05em;text-transform:uppercase;opacity:.75}.project-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.project-meta>span:last-child{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent-700)}.project-panel h3{font-size:clamp(30px,3.2vw,42px);line-height:1.02;text-transform:uppercase;margin:0}.project-description{font-size:17px;margin:0}.status-note{display:grid;grid-template-columns:110px minmax(0,1fr);border-block:1px solid var(--color-divider);font-size:14px}.status-note>span{padding:14px 0;font-size:12px;text-transform:uppercase;font-weight:600;letter-spacing:.08em;opacity:.7}.status-note p{margin:0;padding:14px 0 14px 16px;border-left:1px solid var(--color-divider);opacity:.85}.project-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.project-actions .btn-primary{color:var(--color-bg);padding:10px 18px}.next-project{color:var(--color-accent-700)}.btn-primary{color:#fff!important}form .input{width:100%;min-width:0}section{scroll-margin-top:100px}footer{overflow-wrap:anywhere}.nav-brand{text-decoration:none}
@media(max-width:680px){.nav{position:relative!important;gap:16px}.nav>div{gap:16px!important}.nav-brand{flex-wrap:wrap}.nav>.btn{display:none}.project-panels{position:static}.project-row{grid-template-columns:28px minmax(0,1fr) auto;gap:8px;padding-inline:8px}.project-row .tag{font-size:10px;padding:4px}.figure-caption{flex-wrap:wrap}.status-note{grid-template-columns:82px minmax(0,1fr)}.project-row .row-name{font-size:24px}.portfolio-layout{gap:32px}.project-panel{gap:20px}h1{font-size:clamp(64px,16vw,108px)!important}.seg{width:100%}.filter-button{flex:1;font-size:12px;padding:10px 7px}.filter-button small{margin-left:2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}