/* human. site v2: light, spacious, one blue accent. Tokens first; every component reads from them. */
@font-face { font-family: 'Bricolage Grotesque'; src: url('/assets/fonts/bricolage-grotesque-latin.woff2') format('woff2'); font-weight: 200 800; font-stretch: 75% 100%; font-display: swap; 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; }
@font-face { font-family: 'Anuphan'; src: url('/assets/fonts/anuphan-thai.woff2') format('woff2'); font-weight: 100 700; font-display: swap; unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC; }
@font-face { font-family: 'Anuphan'; src: url('/assets/fonts/anuphan-latin.woff2') format('woff2'); font-weight: 100 700; font-display: swap; 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 {
  --bg: #F2F4F6;
  --surface: #FFFFFF;
  --surface-2: #F8FAFB;
  --tint: #E6ECF1;
  --ink: #20242A;
  --ink-2: #57616C;
  --line: #DCE2E7;
  --line-strong: #C5CED6;
  --accent: #2C6BA5;          /* text, buttons, selected states: white text 5.6:1 */
  --accent-hover: #22598C;
  --accent-soft: #4D8FC8;     /* the brief's blue, kept for large shapes and rings */
  --accent-tint: #E2EDF7;
  --on-dark: #F2F4F6;
  --on-dark-2: #AEB7C1;

  --display: 'Bricolage Grotesque', 'Anuphan', system-ui, sans-serif;
  --text: 'Anuphan', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --fs-hero: clamp(3.3rem, 1.9rem + 5vw, 6rem);
  --fs-d1: clamp(2.5rem, 1.6rem + 3.1vw, 4.25rem);
  --fs-d2: clamp(2rem, 1.45rem + 1.9vw, 3.1rem);
  --fs-d3: clamp(1.55rem, 1.25rem + 1.05vw, 2.25rem);
  --fs-lead: clamp(1.075rem, 1rem + .3vw, 1.28rem);
  --fs-body: 1.0625rem;
  --fs-small: .9375rem;
  --fs-micro: .8125rem;

  --r-field: 12px;
  --r-card: 20px;
  --r-panel: 28px;
  --sh-1: 0 1px 2px rgb(32 36 42 / .05), 0 12px 32px -20px rgb(32 36 42 / .26);
  --sh-2: 0 2px 6px rgb(32 36 42 / .06), 0 28px 52px -26px rgb(32 36 42 / .34);
  --sh-stage: 0 46px 90px -56px rgb(44 107 165 / .45);

  --wrap: 1280px;
  --gutter: clamp(20px, 4.4vw, 56px);
  --section: clamp(72px, 9.5vw, 136px);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in: cubic-bezier(.55, 0, .75, .15);
  --d-fast: 180ms;
  --d-mid: 320ms;
  --d-slow: 760ms;
  color-scheme: light;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 96px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 var(--fs-body)/1.6 var(--text); font-kerning: normal; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
html[lang='th'] body { line-height: 1.75; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
::selection { background: var(--accent-tint); color: var(--ink); }
input, select, textarea { caret-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
main:focus { outline: none; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 50; padding: 10px 16px; background: var(--ink); color: var(--on-dark); border-radius: 999px; transform: translateY(-160%); transition: transform var(--d-mid) var(--ease-out); }
.skip-link:focus-visible { transform: none; }
html { scrollbar-color: var(--line-strong) transparent; }
.icon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: calc(780px + 2 * var(--gutter)); }

/* ---------- Type ---------- */
.display-1, .display-2, .display-3, .hero-name, .wordmark, .card h3, .approach-item h3 {
  font-family: var(--display); font-weight: 650; font-stretch: 94%; font-optical-sizing: auto; letter-spacing: -.028em; text-wrap: balance;
}
.display-1 { font-size: var(--fs-d1); line-height: 1.04; }
.display-2 { font-size: var(--fs-d2); line-height: 1.08; }
.display-3 { font-size: var(--fs-d3); line-height: 1.12; letter-spacing: -.02em; }
.lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--ink-2); max-width: 60ch; text-wrap: pretty; }
p { text-wrap: pretty; }
:lang(th) .display-1, :lang(th) .display-2, :lang(th) .display-3, :lang(th).display-1, :lang(th).display-2, :lang(th).display-3,
:lang(th) .card h3, :lang(th) .approach-item h3 { letter-spacing: 0; line-height: 1.3; font-weight: 600; }
:lang(th) .lead { line-height: 1.7; }

/* ---------- Buttons, links, badges ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px;
  border-radius: 999px; background: var(--accent); color: #fff; font-weight: 600; font-size: .98rem; text-decoration: none; white-space: nowrap;
  box-shadow: 0 1px 2px rgb(32 36 42 / .1), 0 10px 22px -14px rgb(44 107 165 / .8);
  transition: background-color var(--d-fast) var(--ease-out), transform var(--d-mid) var(--ease-out), box-shadow var(--d-mid) var(--ease-out);
}
.button:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 2px 4px rgb(32 36 42 / .1), 0 16px 28px -16px rgb(44 107 165 / .9); }
.button:active { transform: translateY(0) scale(.98); }
.button .icon { transition: transform var(--d-mid) var(--ease-out); }
.button:hover .icon { transform: translateX(3px); }
.button--quiet { background: var(--surface); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong); }
.button--quiet:hover { background: var(--surface); box-shadow: inset 0 0 0 1px var(--ink), 0 10px 20px -16px rgb(32 36 42 / .5); }
.button--small { min-height: 40px; padding: 0 16px; font-size: .92rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--accent); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link .icon { transition: transform var(--d-mid) var(--ease-out); }
.text-link:hover .icon { transform: translateX(3px); }
.badge { display: inline-flex; align-items: center; min-height: 26px; padding: 0 10px; border-radius: 999px; font-size: var(--fs-micro); font-weight: 600; white-space: nowrap; }
.badge.is-live { background: var(--accent-tint); color: var(--accent); }
.badge.is-wait { background: var(--tint); color: var(--ink-2); }
.badge.is-idea { box-shadow: inset 0 0 0 1px var(--line-strong); color: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip { display: inline-flex; align-items: center; min-height: 32px; padding: 0 14px; border-radius: 999px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); font-size: var(--fs-small); color: var(--ink-2); }
.crumb { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-bottom: 14px; color: var(--ink-2); font-size: var(--fs-small); text-decoration: none; }
.crumb .icon { transform: rotate(180deg); width: 16px; height: 16px; }
.crumb:hover { color: var(--accent); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 30; background: rgb(242 244 246 / .86); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; transition: border-color var(--d-mid); view-transition-name: site-header; }
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-row { display: flex; align-items: center; gap: 24px; min-height: 76px; }
.wordmark { font-size: 1.7rem; font-weight: 700; letter-spacing: -.045em; text-decoration: none; line-height: 1; }
.site-nav { display: flex; gap: clamp(18px, 2.4vw, 36px); margin-inline: auto; }
.site-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; font-size: .98rem; font-weight: 500; text-decoration: none; color: var(--ink-2); transition: color var(--d-fast); }
.site-nav a:hover, .site-nav a[aria-current='page'] { color: var(--ink); }
.site-nav a::after { content: ''; position: absolute; left: 50%; bottom: 6px; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--accent); transform: scale(0); transition: transform var(--d-mid) var(--ease-out); }
.site-nav a[aria-current='page']::after { transform: scale(1); }
.header-tools { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; justify-content: center; font-size: var(--fs-micro); letter-spacing: .08em; color: var(--ink-2); text-decoration: none; }
.lang-switch b { color: var(--ink); font-weight: 700; }
.lang-switch:hover { color: var(--ink); }
.menu-button { display: none; width: 44px; height: 44px; border-radius: 999px; align-items: center; justify-content: center; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.menu-button .menu-close { display: none; }
.menu-button[aria-expanded='true'] .menu-open { display: none; }
.menu-button[aria-expanded='true'] .menu-close { display: inline; }

/* ---------- Home hero ---------- */
.hero { position: relative; overflow: clip; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr) minmax(0, .82fr); gap: clamp(20px, 2.6vw, 40px); align-items: end; min-height: min(860px, calc(100svh - 76px)); padding-top: clamp(24px, 4vw, 48px); }
.hero-intro { align-self: center; padding-bottom: clamp(24px, 5vw, 72px); }
.hero-hello { font-size: var(--fs-lead); color: var(--ink-2); }
.hero-name { font-size: var(--fs-hero); line-height: .96; margin: 6px 0 22px; letter-spacing: -.03em; font-weight: 700; font-stretch: 96%; }
.hero-position { font-family: var(--display); font-size: clamp(1.35rem, 1.1rem + .9vw, 1.9rem); font-weight: 600; line-height: 1.25; letter-spacing: -.015em; max-width: 19ch; text-wrap: balance; }
:lang(th) .hero-position { letter-spacing: 0; line-height: 1.4; max-width: 22ch; }
.hero-lead { margin-top: 16px; color: var(--ink-2); max-width: 40ch; font-size: var(--fs-lead); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-portrait { position: relative; align-self: stretch; display: flex; align-items: flex-end; justify-content: center; min-height: 520px; }
.stage-shape { position: absolute; left: 7%; right: 7%; bottom: 0; height: 80%; border-radius: 999px 999px var(--r-panel) var(--r-panel); background: var(--tint); box-shadow: var(--sh-stage); view-transition-name: stage; }
.stage-shape::after { content: ''; position: absolute; inset: -14px -14px 0; border-radius: inherit; border: 1px solid rgb(77 143 200 / .32); border-bottom: 0; }
.hero-photo { position: relative; width: 100%; display: flex; justify-content: center; }
.hero-photo img { width: auto; max-width: 100%; height: min(760px, calc(100svh - 140px)); object-fit: contain; object-position: bottom center; filter: drop-shadow(0 30px 34px rgb(32 36 42 / .16)); }
.pillars { align-self: center; display: grid; gap: 14px; padding-bottom: clamp(24px, 5vw, 72px); }
.pillar { position: relative; }
.pillar::before { content: ''; position: absolute; left: -28px; top: 50%; width: 22px; height: 1px; background: var(--accent-soft); transform-origin: right; }
.pillar::after { content: ''; position: absolute; left: -32px; top: calc(50% - 3px); width: 7px; height: 7px; border-radius: 50%; background: var(--accent-soft); }
.pillar-link { display: grid; grid-template-columns: 1fr auto; grid-template-areas: 'mini mini' 'text arrow'; gap: 12px 10px; padding: 12px 12px 16px; border-radius: var(--r-card); background: var(--surface); box-shadow: var(--sh-1); text-decoration: none; transition: transform var(--d-mid) var(--ease-out), box-shadow var(--d-mid) var(--ease-out); }
.pillar-link:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.pillar-link:focus-visible { outline-offset: 4px; border-radius: var(--r-card); }
.pillar-link .mini { grid-area: mini; }
.pillar-text { grid-area: text; display: grid; gap: 2px; padding-inline: 4px; }
.pillar-label { font-family: var(--display); font-weight: 650; font-size: 1.08rem; letter-spacing: -.01em; }
.pillar-line { font-size: var(--fs-small); color: var(--ink-2); line-height: 1.45; }
.pillar-arrow { grid-area: arrow; align-self: end; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent-tint); color: var(--accent); transition: transform var(--d-mid) var(--ease-out), background-color var(--d-mid); }
.pillar-link:hover .pillar-arrow { transform: translateX(3px); background: var(--accent); color: #fff; }

/* Mini previews: real content in miniature (a calculation, a note, a document). */
.mini { display: grid; gap: 6px; padding: 12px 14px; border-radius: 14px; background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--line); font-size: .8125rem; line-height: 1.35; transition: background-color var(--d-mid); }
.pillar-link:hover .mini, .card-link:hover .mini { background: #F3F7FB; }
.mini-row { display: flex; justify-content: space-between; gap: 10px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.mini-total { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding-top: 8px; border-top: 1px dashed var(--line-strong); }
.mini-total span { color: var(--ink-2); }
.mini-total strong { font-family: var(--display); font-size: 1.35rem; font-weight: 650; color: var(--accent); font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.01em; }
.mini-chip { justify-self: start; padding: 1px 8px; border-radius: 999px; background: var(--accent-tint); color: var(--accent); font-weight: 600; font-size: .75rem; }
.mini-title { font-weight: 600; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-text { color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-doc-row { display: flex; justify-content: space-between; gap: 8px; color: var(--ink-2); font-variant-numeric: tabular-nums; border-bottom: 1px dotted var(--line-strong); padding-bottom: 3px; }
.mini-doc-row:last-child { border-bottom: 0; }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section--flush { padding-top: clamp(24px, 3vw, 40px); }
.section--tint { background: var(--surface-2); border-block: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 12px 40px; align-items: end; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head p { color: var(--ink-2); max-width: 46ch; }
.intro-band { padding-block: clamp(72px, 9vw, 120px) clamp(40px, 6vw, 80px); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 24px clamp(32px, 6vw, 96px); align-items: end; }
.intro-grid .lead { color: var(--ink-2); }
.page-head { padding-block: clamp(48px, 7vw, 96px) clamp(24px, 3vw, 40px); }
.page-lead { margin-top: 18px; }
.aside-note { margin-top: 28px; color: var(--ink-2); font-size: var(--fs-small); }

/* ---------- Cards ---------- */
.card { position: relative; border-radius: var(--r-card); background: var(--surface); box-shadow: var(--sh-1); }
.card-link, .card-body { display: flex; flex-direction: column; gap: 10px; height: 100%; padding: clamp(20px, 2.2vw, 28px); border-radius: inherit; text-decoration: none; }
.card-link { transition: transform var(--d-mid) var(--ease-out), box-shadow var(--d-mid) var(--ease-out); }
.card:has(.card-link) { transition: transform var(--d-mid) var(--ease-out), box-shadow var(--d-mid) var(--ease-out); }
.card:has(.card-link:hover) { transform: translateY(-3px); box-shadow: var(--sh-2); }
.card h3 { font-size: 1.4rem; line-height: 1.18; letter-spacing: -.015em; }
.card p { color: var(--ink-2); }
.card-action { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 10px; color: var(--accent); font-weight: 600; font-size: var(--fs-small); }
.card-action .icon { transition: transform var(--d-mid) var(--ease-out); }
.card-link:hover .card-action .icon { transform: translateX(3px); }
.card-action.is-muted { color: var(--ink-2); font-weight: 500; }
.tool-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--accent-tint); color: var(--accent); }
.tool-icon .icon { width: 22px; height: 22px; }
.tool-card-head, .resource-head, .note-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.scope { font-size: var(--fs-micro); letter-spacing: .01em; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.tool-card--feature { grid-column: 1 / -1; }
.tool-card--feature .card-link { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); grid-template-areas: 'head demo' 'title demo' 'line demo' 'scope demo' 'action demo'; grid-template-rows: auto auto auto auto 1fr; gap: 10px clamp(24px, 4vw, 56px); }
.tool-card--feature .tool-card-head { grid-area: head; }
.tool-card--feature h3 { grid-area: title; font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); }
.tool-card--feature h3 + p { grid-area: line; font-size: var(--fs-lead); }
.tool-card--feature .scope { grid-area: scope; }
.tool-card--feature .card-action { grid-area: action; align-self: end; }
.tool-card-demo { grid-area: demo; align-self: center; margin-top: 8px; display: grid; gap: 8px; }
.tool-card-demo .mini { font-size: .875rem; padding: 16px 18px; }
.tool-card-demo .mini-total strong { font-size: 1.7rem; }
.demo-caption { font-size: var(--fs-micro); color: var(--ink-2); }
.note-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.note-card .topic { font-size: var(--fs-micro); font-weight: 600; color: var(--ink-2); letter-spacing: .02em; }
.note-card.is-concept { background: transparent; box-shadow: inset 0 0 0 1px var(--line-strong); }
.note-card.is-concept h3 { color: var(--ink); }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.resource-card { display: flex; flex-direction: column; gap: 12px; padding: clamp(20px, 2.2vw, 28px); }
.resource-card.is-planned { background: transparent; box-shadow: inset 0 0 0 1px var(--line-strong); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; margin: 4px 0 6px; padding: 14px 0; border-block: 1px solid var(--line); }
.facts dt { font-size: var(--fs-micro); color: var(--ink-2); }
.facts dd { font-size: var(--fs-small); font-weight: 500; }
.resource-card .button { align-self: flex-start; margin-top: auto; }
.no-file { margin-top: auto; font-size: var(--fs-small); color: var(--ink-2); }

/* ---------- Moment and closing ---------- */
.moment-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 6vw, 96px); align-items: center; }
.moment-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--r-panel); box-shadow: var(--sh-2); }
.moment-text .lead { margin-top: 16px; }
.closing { padding-top: 0; }
.closing-card { display: grid; grid-template-columns: minmax(160px, 300px) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; padding: clamp(20px, 3vw, 40px); border-radius: var(--r-panel); background: var(--ink); color: var(--on-dark); }
.closing-photo img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: var(--r-card); }
.closing-text .lead { color: var(--on-dark-2); margin: 16px 0 28px; }
.closing-card .button { background: var(--accent-soft); color: #0E1B28; box-shadow: none; }
.closing-card .button:hover { background: #6FA6D6; }

/* ---------- About ---------- */
.about-hero { padding-block: clamp(40px, 6vw, 88px) 0; }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 6vw, 96px); align-items: end; }
.about-text { align-self: center; }
.about-text .lead { margin-top: 22px; }
.about-portrait { position: relative; padding: 0 6% 0; }
.stage-shape--about { left: 0; right: 0; height: 88%; }
.about-photo { position: relative; }
.about-photo img { width: 100%; aspect-ratio: 5 / 7; object-fit: cover; border-radius: 999px 999px var(--r-panel) var(--r-panel); box-shadow: var(--sh-2); }
.approach { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px clamp(24px, 4vw, 56px); margin-top: clamp(24px, 3vw, 40px); }
.approach-item { padding-top: 18px; border-top: 2px solid var(--ink); }
.approach-item h3 { font-size: 1.6rem; margin-bottom: 8px; }
.approach-item p { color: var(--ink-2); }
.gap-note { margin-top: 22px; padding: 20px 22px; border-radius: var(--r-card); border: 1px dashed var(--line-strong); background: var(--surface); }
.gap-label { display: inline-block; margin-bottom: 8px; padding: 1px 10px; border-radius: 999px; background: var(--tint); color: var(--ink-2); font-size: var(--fs-micro); font-weight: 600; }
.gap-note p { color: var(--ink-2); }
.quiet-grid { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: clamp(28px, 6vw, 96px); align-items: end; }
.quiet-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--r-panel); }
.quiet-text { padding-bottom: clamp(8px, 2vw, 24px); }
.quiet-text .lead { margin-top: 12px; }

/* ---------- Notes and article ---------- */
.notes-layout { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: start; }
.notes-side { position: sticky; top: 100px; }
.notes-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--r-panel); box-shadow: var(--sh-1); }
.note-grid--list { grid-template-columns: 1fr; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filters button { min-height: 40px; padding: 0 16px; border-radius: 999px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); font-size: var(--fs-small); color: var(--ink-2); transition: background-color var(--d-fast), color var(--d-fast); }
.filters button:hover:not(:disabled) { color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink-2); }
.filters button[aria-pressed='true'] { background: var(--ink); color: var(--on-dark); box-shadow: none; }
.filters button:disabled { opacity: .5; cursor: not-allowed; }
.filter-empty { color: var(--ink-2); }
.article-head .note-card-meta { justify-content: flex-start; gap: 12px; margin-bottom: 18px; }
.article-title { font-size: clamp(2.2rem, 1.5rem + 2.4vw, 3.6rem); }
.article-head .lead { margin-top: 18px; }
.article-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 24px; margin-top: 28px; padding: 18px 20px; border-radius: var(--r-card); background: var(--surface); box-shadow: var(--sh-1); }
.article-meta dt { font-size: var(--fs-micro); color: var(--ink-2); }
.article-meta dd { font-size: var(--fs-small); font-weight: 500; }
.article-body { padding-bottom: var(--section); }
.article-section { margin-top: clamp(40px, 5vw, 64px); }
.article-section h2 { font-family: var(--display); font-weight: 650; font-size: 1.6rem; letter-spacing: -.015em; margin-bottom: 14px; }
:lang(th) .article-section h2 { letter-spacing: 0; font-weight: 600; }
.article-section > p { margin-top: 12px; max-width: 68ch; }
.fact { margin-top: 14px; padding: 18px 20px; border-radius: var(--r-card); background: var(--surface); box-shadow: var(--sh-1); }
.fact-label { display: inline-block; margin-bottom: 8px; padding: 1px 10px; border-radius: 999px; background: var(--accent-tint); color: var(--accent); font-size: var(--fs-micro); font-weight: 600; }
.fact-source { margin-top: 12px; font-size: var(--fs-micro); color: var(--ink-2); }
.fact-source a { color: var(--accent); }
.steps { counter-reset: step; display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 30px 1fr; gap: 10px; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700; margin-top: 1px; }
.table-wrap { overflow-x: auto; border-radius: var(--r-card); background: var(--surface); box-shadow: var(--sh-1); }
.data-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: var(--fs-small); }
.data-table th, .data-table td { padding: 11px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.data-table thead th { font-size: var(--fs-micro); color: var(--ink-2); font-weight: 600; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td:last-child { text-align: right; }
.source-list { display: grid; gap: 10px; }
.source-list li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.source-list a { color: var(--accent); font-weight: 500; }
.source-list span { color: var(--ink-2); font-size: var(--fs-small); }
.article-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 48px; padding: 22px 24px; }

/* ---------- Tools (in development) and contact ---------- */
.dev-card { display: grid; gap: 14px; justify-items: start; padding: clamp(24px, 3vw, 36px); }
.dev-card p { color: var(--ink-2); max-width: 58ch; }
.contact-hero { padding-block: clamp(40px, 6vw, 88px) var(--section); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 6vw, 96px); align-items: center; }
.contact-text .lead { margin-top: 22px; }
.contact-portrait { position: relative; padding-inline: 8%; }
.stage-shape--contact { left: 0; right: 0; height: 84%; }
.contact-photo { position: relative; }
.contact-photo img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: var(--r-panel); box-shadow: var(--sh-2); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 48px 40px; background: var(--surface-2); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1.3fr); gap: 28px 48px; }
.footer-brand p, .footer-meta p { color: var(--ink-2); font-size: var(--fs-small); margin-top: 8px; }
.footer-nav { display: grid; grid-template-columns: repeat(2, max-content); gap: 0 32px; align-content: start; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 40px; text-decoration: none; color: var(--ink-2); }
.footer-nav a:hover { color: var(--ink); }
.footer-draft { font-weight: 600; color: var(--ink) !important; }
.footer-lang { display: inline-flex; align-items: center; min-height: 44px; margin-top: 4px; color: var(--accent); font-weight: 600; }

/* ---------- Root language choice ---------- */
.page-root { min-height: 100svh; display: grid; place-items: center; }
.root-choice { display: grid; gap: 24px; justify-items: center; }
.root-choice .wordmark { font-size: 3rem; }
.root-choice p:last-child { display: flex; gap: 12px; }

/* ---------- Motion ---------- */
[data-enter] { animation: enter var(--d-slow) var(--ease-out) both; animation-delay: calc(var(--i, 0) * 90ms + 60ms); }
.hero-photo { animation: rise 1100ms var(--ease-out) both 160ms; }
.stage-shape { animation: stage 1000ms var(--ease-out) both; }
.pillar { animation: enter var(--d-slow) var(--ease-out) both; animation-delay: calc(var(--i) * 110ms + 520ms); }
.pillar::before { animation: draw 600ms var(--ease-out) both; animation-delay: calc(var(--i) * 110ms + 900ms); }
.pillar::after { animation: dot 400ms var(--ease-out) both; animation-delay: calc(var(--i) * 110ms + 1100ms); }
@keyframes enter { from { opacity: 0; transform: translateY(18px); } }
@keyframes rise { from { opacity: 0; transform: translateY(28px); clip-path: inset(18% 0 0 0 round 24px); } to { clip-path: inset(0 0 0 0 round 0); } }
@keyframes stage { from { opacity: 0; transform: scale(.94); } }
@keyframes draw { from { transform: scaleX(0); } }
@keyframes dot { from { transform: scale(0); } }
.js [data-reveal].is-pending { opacity: 0; transform: translateY(22px); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); transition-delay: var(--reveal-delay, 0ms); }

/* Cross-page transitions: the header holds still, pages slide gently, shared shapes travel. */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out 200ms var(--ease-in) both; }
::view-transition-new(root) { animation: vt-in 460ms var(--ease-out) both; }
::view-transition-group(stage), ::view-transition-group(tool-tax), ::view-transition-group(note-noteTax) { animation-duration: 560ms; animation-timing-function: var(--ease-out); }
@keyframes vt-out { to { opacity: 0; transform: translateY(-8px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(14px); } }

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  *, *::before, *::after { animation: none !important; transition-duration: 0s !important; scroll-behavior: auto !important; }
  .js [data-reveal].is-pending { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: 'intro portrait' 'pillars pillars'; min-height: 0; }
  .hero-intro { grid-area: intro; }
  .hero-portrait { grid-area: portrait; min-height: 480px; }
  .hero-photo img { height: min(620px, 72svh); }
  .pillars { grid-area: pillars; grid-template-columns: repeat(3, minmax(0, 1fr)); align-self: start; padding: 0 0 40px; }
  .pillar::before, .pillar::after { display: none; }
  .section-head { grid-template-columns: 1fr; }
  .section-head .text-link { justify-self: start; }
}
@media (max-width: 900px) {
  .js .site-nav { position: absolute; left: 0; right: 0; top: 100%; display: none; flex-direction: column; gap: 0; padding: 8px var(--gutter) 20px; background: var(--surface); box-shadow: 0 24px 40px -24px rgb(32 36 42 / .35); border-bottom: 1px solid var(--line); }
  .js .site-nav.is-open { display: flex; }
  .js .site-nav a { min-height: 52px; font-size: 1.15rem; color: var(--ink); border-bottom: 1px solid var(--line); }
  .js .site-nav a::after { left: auto; right: 4px; bottom: calc(50% - 2.5px); }
  .js .menu-button { display: inline-flex; }
  html:not(.js) .header-row { flex-wrap: wrap; }
  html:not(.js) .site-nav { order: 3; width: 100%; flex-wrap: wrap; margin: 0; }
  .header-tools .button--small { display: none; }
  .header-tools { margin-left: auto; }
  .tool-grid, .note-grid, .resource-grid, .intro-grid, .moment-grid, .about-grid, .contact-grid, .notes-layout { grid-template-columns: 1fr; }
  .tool-card--feature .card-link { grid-template-columns: 1fr; grid-template-areas: 'head' 'title' 'line' 'scope' 'demo' 'action'; }
  .notes-side { position: static; max-width: 420px; }
  .approach { grid-template-columns: 1fr; }
  .quiet-grid { grid-template-columns: 1fr; }
  .quiet-photo { max-width: 420px; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-meta { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .header-row { min-height: 64px; gap: 12px; }
  .wordmark { font-size: 1.5rem; }
  .hero-grid { grid-template-columns: 1fr; grid-template-areas: 'intro' 'portrait' 'pillars'; gap: 8px; padding-top: 20px; }
  .hero-intro { padding-bottom: 8px; }
  .hero-name { margin: 4px 0 14px; }
  .hero-portrait { min-height: 0; height: min(460px, 62svh); }
  .hero-photo img { height: min(460px, 62svh); }
  .stage-shape { left: 10%; right: 10%; height: 86%; }
  .pillars { grid-template-columns: 1fr; gap: 10px; padding-top: 18px; }
  .pillar-link { grid-template-columns: 112px 1fr auto; grid-template-areas: 'mini text arrow'; align-items: center; padding: 10px; }
  .pillar-link .mini { align-content: center; min-height: 72px; padding: 8px 10px; font-size: .6875rem; gap: 4px; }
  .pillar-link .mini-row, .pillar-link .mini-text, .pillar-link .mini-doc-row { display: none; }
  .pillar-link .mini-total { display: grid; gap: 0; padding-top: 0; border-top: 0; }
  .pillar-link .mini-total strong { font-size: 1rem; }
  .pillar-link .mini-title { -webkit-line-clamp: 3; font-size: .6875rem; line-height: 1.3; }
  .actions .button { flex: 1 1 auto; }
  .closing-card { grid-template-columns: 1fr; }
  .closing-photo { max-width: 240px; }
  .facts { grid-template-columns: 1fr; }
  .about-portrait, .contact-portrait { padding-inline: 4%; }
}

/* Contact channels (owner-approved addresses only). */
.channels { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.channels .button { max-width: 100%; overflow-wrap: anywhere; }
.channels-note { margin-top: 14px; max-width: 46ch; font-size: var(--fs-small); color: var(--ink-2); }