/* OD-LAYOUT-PRIMITIVES v1 — structure only: display, flex/grid, overflow, wrapping, ratio.
   Put this @layer first; product CSS outside the layer always wins. */
@layer od-layout {
  :where(.od-stack,.od-row,.od-row-top,.od-cluster,.od-grid,.od-field,.od-stat,.od-cell,.od-tile) > :where(*) { min-width: 0; }

  /* containers */
  .od-stack   { display: flex; flex-direction: column; gap: var(--od-gap, 8px); }
  .od-row     { display: flex; align-items: center; gap: var(--od-gap, 8px); }
  .od-row-top { display: flex; align-items: flex-start; gap: var(--od-gap, 8px); }
  .od-cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--od-gap, 8px); }
  .od-fill    { flex: 1 1 0; min-width: 0; }
  .od-fixed   { flex: none; }
  .od-grid    { display: grid; gap: var(--od-gap, 12px); grid-template-columns: repeat(var(--od-cols, 3), minmax(0, 1fr)); }

  /* stacked information: each piece is its own line — never sibling inline spans */
  .od-stat, .od-field, .od-cell { display: grid; gap: var(--od-gap, 2px); }
  :where(.od-stat,.od-field,.od-cell) > :where(*) { display: block; }
  .od-tile { display: grid; grid-template-rows: auto 1fr; }
  :where(.od-tile) > :where(*) { display: block; }

  /* media keeps its intrinsic ratio by default; never a distorted or cropped
     cover by accident. height:auto lets the ratio win over an <img height="…">
     attribute. Cropping to a uniform box is an explicit opt-in: set --od-ratio
     AND add .od-media-cover together (per the core rule, only where a crop is
     deliberate — tile thumbs, decorative fills — never on full-frame content). */
  .od-media { display: block; width: 100%; height: auto; aspect-ratio: var(--od-ratio, auto); }
  .od-media-cover { object-fit: cover; }

  /* data text only — authored copy is rewritten to its budget instead */
  .od-truncate { display: block; max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .od-clamp-2, .od-clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
  .od-clamp-2 { -webkit-line-clamp: 2; }
  .od-clamp-3 { -webkit-line-clamp: 3; }
  .od-lines-2 { min-height: calc(2 * 1.4em); }   /* block-level reservation for a shared baseline */
  .od-nowrap  { white-space: nowrap; }           /* 数字+单位 · 价格+起 · 日期+星期 */
  .od-keep    { word-break: keep-all; overflow-wrap: anywhere; } /* CJK labels break at spaces / <wbr> first */

  /* screen skeleton (optional): bars take their own space, the middle scrolls — no padding guessed for chrome */
  .od-screen { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; height: 100%; }
  .od-scroll { overflow-y: auto; overscroll-behavior: contain; min-height: 0; }

  /* horizontal rail: the next item peeks at the edge; trailing room survives overflow */
  .od-rail { display: flex; gap: var(--od-gap, 8px); overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none;
             padding-inline: var(--od-rail-pad, 16px); scroll-padding-inline: var(--od-rail-pad, 16px); }
  .od-rail::-webkit-scrollbar { display: none; }
  :where(.od-rail) > :where(*) { flex: none; scroll-snap-align: start; }
  :where(.od-rail) > :where(:last-child) { margin-inline-end: var(--od-rail-pad, 16px); }

  .od-spacer { flex: none; visibility: hidden; pointer-events: none; }
  .od-touch  { min-width: 44px; min-height: 44px; }
}
/* /OD-LAYOUT-PRIMITIVES v1 */

:root {
  --font-display: "Cormorant", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Onest", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --fs-sm: 0.875rem; --fs-base: 1rem; --fs-md: 1.125rem; --fs-lg: 1.5rem;
  --fs-h2: clamp(2.5rem, 1.2rem + 4.2vw, 4.5rem);
  --fs-hero: clamp(2.75rem, 1rem + 7.6vw, 8rem);
  --fs-mega: clamp(2rem, 0.5rem + 6.6vw, 6.5rem);

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px;
  --sp-6: 32px; --sp-7: 48px; --sp-8: 64px; --sp-9: 96px; --sp-10: 128px;
  --radius: 8px; --radius-sm: 4px;
  --dur-fast: 160ms; --dur: 280ms; --dur-slow: 400ms;
  --ease-out: cubic-bezier(0.16, 0.8, 0.24, 1);
  --header-h: 72px; --container: 1280px;
}
:root[data-theme="dark"] {
  --bg: #0c0c0d; --surface: #141416; --surface-2: #1c1c1f;
  --text: #f1efea; --muted: #a3a29d; --border: #2a2a2d;
  --accent: #ff5a36; --accent-text: #14100f; --accent-ink: #ff5a36; --focus: #ff8a6e;
  --warn: #ffb454; --shadow: 0 24px 64px rgb(0 0 0 / 0.55); --grain: 0.07;
}
:root[data-theme="light"] {
  --bg: #f4f4f2; --surface: #ffffff; --surface-2: #e9e9e6;
  --text: #131314; --muted: #57575b; --border: #d6d6d2;
  --accent: #c42d12; --accent-text: #ffffff; --accent-ink: #c42d12; --focus: #c42d12;
  --warn: #8a4b00; --shadow: 0 24px 64px rgb(19 19 20 / 0.16); --grain: 0.05;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + var(--sp-4)); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: var(--fs-base); line-height: 1.6; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.05; margin: 0; letter-spacing: -0.015em; font-weight: 500; }
em { font-style: italic; font-weight: 400; }
.dot { color: var(--accent-ink); }
p { margin: 0; }
a { color: var(--accent-ink); }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: var(--sp-4); top: -80px; background: var(--accent); color: var(--accent-text); padding: var(--sp-2) var(--sp-4); border-radius: var(--radius); z-index: 300; }
.skip:focus { top: var(--sp-2); }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--sp-6); }
.icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.mono { font-family: var(--font-mono); }

/* atmosphere */
.cloud { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
body::after { content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: var(--grain);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
.progress { position: fixed; left: 0; top: 0; right: 0; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; z-index: 100; }
.cursor { position: fixed; left: 0; top: 0; width: 12px; height: 12px; margin: -6px 0 0 -6px; z-index: 120; pointer-events: none; display: none; }
.cursor .cd { position: absolute; inset: 0; border-radius: 50%; background: var(--accent); transition: transform var(--dur) var(--ease-out); }
.cursor .cl { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); font: 500 var(--fs-sm) var(--font-mono); color: var(--accent-text); white-space: nowrap; opacity: 0; transition: opacity var(--dur-fast); }
.cursor.big .cd { transform: scale(6); }
.cursor.big .cl { opacity: 1; }
@media (hover: hover) and (pointer: fine) { .cursor.on { display: block; } }
main, footer { position: relative; z-index: 1; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--bg); border-bottom: 1px solid var(--border); }
.site-header .container { height: var(--header-h); display: flex; align-items: center; gap: var(--sp-5); }
.brand { font: 600 1.75rem var(--font-display); color: var(--text); text-decoration: none; white-space: nowrap; letter-spacing: -0.02em; }
.nav { display: flex; gap: var(--sp-5); margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-size: var(--fs-sm); min-height: 44px; display: inline-flex; align-items: center; gap: var(--sp-2); transition: color var(--dur-fast); }
.nav a::before { content: attr(data-n); font: var(--fs-sm) var(--font-mono); color: var(--accent-ink); }
.tools { display: flex; align-items: center; gap: var(--sp-2); }
.lang { display: flex; gap: var(--sp-1); }
.lang button { position: relative; background: transparent; border: 0; color: var(--muted); font: 500 var(--fs-sm) var(--font-mono); min-width: 44px; min-height: 44px; cursor: pointer; transition: color var(--dur-fast); }
.lang button::after { content: ""; position: absolute; left: 50%; bottom: 8px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--accent); transform: scale(0); transition: transform var(--dur-fast) var(--ease-out); }
.lang button[aria-pressed="true"] { color: var(--text); }
.lang button[aria-pressed="true"]::after { transform: scale(1); }
.icon-btn { background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: var(--radius-sm); min-width: 44px; min-height: 44px; display: inline-grid; place-items: center; cursor: pointer; transition: background var(--dur-fast); }
.theme-sun { display: none; }
.menu-btn { display: none; }
.row-h { margin: 0; font: inherit; letter-spacing: inherit; }
:root[data-theme="dark"] .theme-sun { display: block; }
:root[data-theme="dark"] .theme-moon { display: none; }
@media (hover: hover) {
  .nav a:hover { color: var(--text); }
  .lang button:not([aria-pressed="true"]):hover { color: var(--text); }
  .icon-btn:hover { background: var(--surface-2); }
}

/* reveal */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); transition-delay: calc(var(--d, 0) * 40ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* hero */
.hero { display: flex; align-items: flex-end; min-height: calc(100svh - var(--header-h)); padding-block: var(--sp-9) var(--sp-8); }
.hero .container { width: 100%; }
.hero h1 { font-size: var(--fs-hero); line-height: 0.98; letter-spacing: -0.025em; max-width: 14ch; }
.hero h1 .ln { display: block; overflow: clip; padding: 0.08em 0 0.14em; margin: -0.08em 0 -0.14em; }
.hero h1 .ln > span { display: block; transform: translateY(115%); animation: lineup var(--dur-slow) var(--ease-out) forwards; animation-delay: calc(var(--i) * 110ms + 150ms); }
@keyframes lineup { to { transform: none; } }
.hero .lead { font-size: var(--fs-md); color: var(--muted); max-width: 46ch; margin-top: var(--sp-6); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }
.meta { --od-cols: 4; --od-gap: var(--sp-5); margin-top: var(--sp-8); padding-top: var(--sp-5); border-top: 1px solid var(--border); max-width: 960px; }
.meta .lbl { font: var(--fs-sm) var(--font-mono); color: var(--muted); }
.meta .val { font-size: var(--fs-base); font-weight: 500; }
.status { display: inline-flex; align-items: center; gap: var(--sp-2); }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: block; }
@keyframes pulse { from { opacity: 0.3; } to { opacity: 1; } }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2); min-height: 52px; padding: 0 var(--sp-6); border-radius: var(--radius-sm); font: 600 var(--fs-base) var(--font-body); text-decoration: none; cursor: pointer; border: 1px solid var(--border); background: transparent; color: var(--text); transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast); will-change: transform; }
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
@media (hover: hover) { .btn:not(.btn-primary):hover { background: var(--surface-2); } }

/* sections */
section { padding-block: var(--sp-10); }
.sec-head { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: var(--sp-5); margin-bottom: var(--sp-8); align-items: start; }
.sec-head .num { font: var(--fs-sm) var(--font-mono); color: var(--accent-ink); padding-top: 0.9em; }
.sec-head h2 { font-size: var(--fs-h2); letter-spacing: -0.025em; }
.sec-head p { grid-column: 2; color: var(--muted); max-width: 52ch; }

/* project index */
.index { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--border); }
.row-btn { position: relative; display: grid; grid-template-columns: 72px minmax(0, 1fr) minmax(0, 260px) 48px; align-items: center; gap: var(--sp-5); width: 100%; text-align: left; background: transparent; border: 0; border-top: 1px solid var(--border); padding: var(--sp-6) 0; color: var(--text); cursor: pointer; }
.row-btn > *, .row-btn .main > * { display: block; min-width: 0; }
.row-btn::after { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; transition: transform var(--dur) var(--ease-out); }
.row-btn .num { font: var(--fs-sm) var(--font-mono); color: var(--muted); transition: color var(--dur-fast); }
.row-btn .name { font-family: var(--font-display); font-size: clamp(2.25rem, 1rem + 4.6vw, 5rem); line-height: 1; font-weight: 500; letter-spacing: -0.02em; transition: transform var(--dur) var(--ease-out); }
.row-btn .sub { font-size: var(--fs-sm); color: var(--muted); margin-top: var(--sp-2); }
.row-btn .stack { font: var(--fs-sm) var(--font-mono); color: var(--muted); }
.row-btn .arrow { color: var(--muted); transition: transform var(--dur) var(--ease-out), color var(--dur-fast); }
.row-btn:focus-visible { outline-offset: -2px; }
.row-btn:focus-visible::after { transform: scaleX(1); }
@media (hover: hover) {
  .row-btn:hover::after { transform: scaleX(1); }
  .row-btn:hover .name { transform: translateX(16px); }
  .row-btn:hover .num, .row-btn:hover .arrow { color: var(--accent-ink); }
  .row-btn:hover .arrow { transform: translateX(8px); }
}
.note { margin-top: var(--sp-5); color: var(--muted); font: var(--fs-sm) var(--font-mono); max-width: 70ch; }

/* skills */
.skills { --od-cols: 2; --od-gap: var(--sp-8); }
.skill-col h3 { font-size: var(--fs-lg); font-weight: 600; margin-bottom: var(--sp-4); }
.skill-col ol { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.skill-col li { counter-increment: s; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: var(--sp-3); padding: var(--sp-3) 0; border-top: 1px solid var(--border); font-size: var(--fs-md); }
.skill-col li::before { content: counter(s, decimal-leading-zero); font: var(--fs-sm) var(--font-mono); color: var(--accent-ink); padding-top: 0.25em; }
.skill-col li:last-child { border-bottom: 1px solid var(--border); }

/* contact */
.mega { position: relative; display: inline-block; max-width: 100%; font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: var(--fs-mega); line-height: 1.1; color: var(--text); text-decoration: none; overflow-wrap: anywhere; padding-bottom: 0.1em; }
.mega::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--accent); transform: scaleX(0.18); transform-origin: 0 50%; transition: transform var(--dur-slow) var(--ease-out); }
@media (hover: hover) { .mega:hover::after { transform: scaleX(1); } }
.mega:focus-visible::after { transform: scaleX(1); }
.links { display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-7); margin-top: var(--sp-7); list-style: none; padding: 0; }
.links a { display: inline-flex; align-items: center; gap: var(--sp-2); min-height: 44px; color: var(--text); text-decoration: none; font-size: var(--fs-md); border-bottom: 1px solid var(--border); transition: border-color var(--dur-fast); }
@media (hover: hover) { .links a:hover { border-color: var(--accent); } }
footer { border-top: 1px solid var(--border); padding-block: var(--sp-6); color: var(--muted); font-size: var(--fs-sm); }
footer .container { display: flex; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; align-items: center; }

/* case dialog */
dialog.case { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); color: var(--text); padding: 0; width: min(1200px, calc(100vw - 32px)); height: min(880px, calc(100vh - 32px)); max-width: none; max-height: none; box-shadow: var(--shadow); overflow: hidden; }
dialog.case::backdrop { background: rgb(0 0 0 / 0.7); }
dialog.case[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); animation: dlg var(--dur-slow) var(--ease-out); }
@keyframes dlg { from { opacity: 0; transform: translateY(24px) scale(0.98); } to { opacity: 1; transform: none; } }
.case-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--border); }
.case-head h3 { font-size: 2.25rem; }
.case-head .type { font: var(--fs-sm) var(--font-mono); color: var(--accent-ink); }
.case-body { overflow-y: auto; overscroll-behavior: contain; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--sp-6); padding: var(--sp-5); align-items: start; }
.case-text { display: grid; gap: var(--sp-5); }
.case-text h4 { font: 500 var(--fs-sm) var(--font-mono); color: var(--accent-ink); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: var(--sp-1); }
.case-text p { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag { display: block; font: var(--fs-sm) var(--font-mono); color: var(--muted); border: 1px solid var(--border); padding: 2px var(--sp-2); border-radius: var(--radius-sm); }
.case-links { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.win { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.bar { display: flex; align-items: center; gap: var(--sp-2); padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border); color: var(--muted); font: var(--fs-sm) var(--font-mono); }
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--muted); display: block; }
.demo-label { font: var(--fs-sm) var(--font-mono); color: var(--muted); }
.demo { padding: var(--sp-5); min-height: 420px; display: grid; gap: var(--sp-4); align-content: start; }

/* demo shared */
.seg { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.seg button { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); font: 500 var(--fs-sm) var(--font-mono); min-height: 44px; padding: 0 var(--sp-4); border-radius: var(--radius-sm); cursor: pointer; transition: background var(--dur-fast); }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.dbtn { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); font: 600 var(--fs-sm) var(--font-body); min-height: 44px; padding: 0 var(--sp-4); border-radius: var(--radius-sm); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2); }
.dbtn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
@media (hover: hover) { .dbtn:not(.primary):hover, .seg button:not([aria-pressed="true"]):hover { background: var(--border); } }
.dbtn:disabled { opacity: 0.5; cursor: not-allowed; }

/* monitor */
.meter { display: grid; gap: var(--sp-1); }
.meter .top { display: flex; justify-content: space-between; font: var(--fs-sm) var(--font-mono); }
.meter .track { height: 8px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.meter .fill { height: 100%; background: var(--accent); border-radius: 4px; transform-origin: 0 50%; transform: scaleX(0.3); transition: transform 600ms var(--ease-out); }
.meter.hot .fill { background: var(--warn); }
.spark { width: 100%; height: 72px; color: var(--accent-ink); background: var(--surface-2); border-radius: var(--radius-sm); }
.state { display: flex; align-items: center; gap: var(--sp-2); font: 500 var(--fs-sm) var(--font-mono); min-height: 24px; }
.state.hot { color: var(--warn); }
.logs { list-style: none; margin: 0; padding: 0; font: var(--fs-sm) var(--font-mono); color: var(--muted); display: grid; gap: var(--sp-1); max-height: 96px; overflow: auto; }

/* kanban */
.kb-form { display: flex; gap: var(--sp-2); align-items: flex-end; flex-wrap: wrap; }
.kb-form label { display: block; font: var(--fs-sm) var(--font-mono); color: var(--muted); margin-bottom: var(--sp-1); }
.kb-form .grow { flex: 1 1 200px; }
.field { width: 100%; min-height: 44px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font: var(--fs-base) var(--font-body); padding: 0 var(--sp-3); }
.field-err { color: var(--warn); font-size: var(--fs-sm); min-height: 20px; }
.kb { --od-cols: 3; --od-gap: var(--sp-3); }
.col { background: var(--surface-2); border-radius: var(--radius-sm); padding: var(--sp-3); display: grid; gap: var(--sp-2); align-content: start; min-height: 200px; }
.col h4 { margin: 0; font: 500 var(--fs-sm) var(--font-mono); color: var(--muted); display: flex; justify-content: space-between; letter-spacing: 0; }
.kcard { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--sp-3); display: grid; gap: var(--sp-2); animation: dlg var(--dur) var(--ease-out); }
.kcard p { font-size: var(--fs-sm); overflow-wrap: anywhere; }
.kcard .mv { display: flex; gap: var(--sp-1); justify-content: flex-end; }
.kcard .mv button { width: 44px; height: 44px; background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); cursor: pointer; display: grid; place-items: center; }
.kcard .mv button:disabled { opacity: 0.3; cursor: not-allowed; }
.empty { color: var(--muted); font-size: var(--fs-sm); padding: var(--sp-2); }

/* api */
.api-main { display: grid; gap: var(--sp-3); }
.reqline { font: 500 var(--fs-sm) var(--font-mono); background: var(--surface-2); border-radius: var(--radius-sm); padding: var(--sp-3); overflow-wrap: anywhere; }
.reqline b { color: var(--accent-ink); }
.resp { background: var(--surface-2); border-radius: var(--radius-sm); padding: var(--sp-3); min-height: 180px; display: grid; gap: var(--sp-2); align-content: start; }
.resp pre { margin: 0; font: var(--fs-sm) var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.badge { display: inline-flex; width: fit-content; align-items: center; gap: var(--sp-1); font: 500 var(--fs-sm) var(--font-mono); border: 1px solid currentColor; border-radius: var(--radius-sm); padding: 0 var(--sp-2); }
.badge.ok { color: var(--accent-ink); } .badge.bad { color: var(--warn); }
.skel { height: 14px; border-radius: 4px; background: var(--border); animation: pulse 1s ease-in-out infinite alternate; }

/* mobile app demo */
.mapp { width: min(100%, 340px); margin-inline: auto; border: 1px solid var(--border); border-radius: 20px; background: var(--bg); overflow: hidden; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; height: 440px; }
.mapp .mhead { padding: var(--sp-4) var(--sp-4) var(--sp-2); }
.mapp .mhead h4 { font-size: var(--fs-lg); }
.mapp .mbody { padding: var(--sp-2) var(--sp-4) var(--sp-4); overflow-y: auto; display: grid; gap: var(--sp-3); align-content: start; }
.mapp nav { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border); background: var(--surface); }
.mapp nav button { min-height: 56px; background: transparent; border: 0; color: var(--muted); font: 500 var(--fs-sm) var(--font-body); display: grid; place-items: center; gap: 2px; align-content: center; cursor: pointer; }
.mapp nav button[aria-current="page"] { color: var(--accent-ink); }
.ring { width: 96px; height: 96px; margin-inline: auto; display: block; }
.ring circle { fill: none; stroke-width: 8; }
.ring .bg { stroke: var(--surface-2); } .ring .fg { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset 600ms var(--ease-out); }
.ring-wrap { display: grid; gap: var(--sp-1); text-align: center; }
.ring-wrap .big { font: 600 var(--fs-lg) var(--font-display); }
.habit { display: flex; align-items: center; gap: var(--sp-3); width: 100%; min-height: 52px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 var(--sp-3); color: var(--text); font: var(--fs-base) var(--font-body); cursor: pointer; text-align: left; }
.habit .chk { width: 24px; height: 24px; border: 2px solid var(--muted); border-radius: 50%; display: grid; place-items: center; flex: none; transition: background var(--dur-fast); }
.habit[aria-pressed="true"] .chk { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.habit .chk .icon { width: 14px; height: 14px; opacity: 0; transform: scale(0.5); transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast); }
.habit[aria-pressed="true"] .chk .icon { opacity: 1; transform: none; }
.habit[aria-pressed="true"] span.name { text-decoration: line-through; color: var(--muted); }
.bars { display: grid; grid-template-columns: repeat(7, 1fr); gap: var(--sp-2); align-items: end; height: 140px; }
.bars div { display: grid; gap: var(--sp-1); height: 100%; align-content: end; text-align: center; font: var(--fs-sm) var(--font-mono); color: var(--muted); }
.bars i { display: block; background: var(--accent); border-radius: 4px 4px 0 0; transform-origin: 50% 100%; animation: grow var(--dur-slow) var(--ease-out) both; height: var(--h); }
@keyframes grow { from { transform: scaleY(0); } }
.switch { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); width: 100%; min-height: 56px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--sp-2) var(--sp-3); color: var(--text); cursor: pointer; text-align: left; }
.switch .knob { width: 44px; height: 24px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); position: relative; flex: none; }
.switch .knob::after { content: ""; position: absolute; left: 2px; top: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--muted); transition: transform var(--dur-fast) var(--ease-out); }
.switch[aria-pressed="true"] .knob { background: var(--accent); border-color: var(--accent); }
.switch[aria-pressed="true"] .knob::after { transform: translateX(20px); background: var(--accent-text); }
.switch small { display: block; color: var(--muted); font-size: var(--fs-sm); }

@media (max-width: 1023px) {
  .case-body { grid-template-columns: minmax(0, 1fr); }
  .row-btn { grid-template-columns: 56px minmax(0, 1fr) 40px; }
  .row-btn .stack { display: none; }
  .skills { --od-gap: var(--sp-6); }
  section { padding-block: var(--sp-9); }
}
@media (max-width: 767px) {
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; margin: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: var(--sp-2) var(--sp-4) var(--sp-4); }
  .nav.open { display: flex; }
  .nav a { min-height: 48px; font-size: var(--fs-md); }
  .menu-btn { display: inline-grid; }
  .tools { margin-left: auto; }
  .container { padding-inline: var(--sp-4); }
  .skills { --od-cols: 1; }
  .meta { --od-cols: 1; }
  .hero { padding-block: var(--sp-8) var(--sp-7); }
  section { padding-block: var(--sp-8); }
  .sec-head { grid-template-columns: minmax(0, 1fr); gap: var(--sp-2); }
  .sec-head p { grid-column: 1; }
  .sec-head .num { padding-top: 0; }
  .row-btn { grid-template-columns: 40px minmax(0, 1fr) 32px; gap: var(--sp-3); }
  .kb { --od-cols: 1; }
  dialog.case { width: 100vw; height: 100vh; height: 100dvh; border-radius: 0; border: 0; }
}
@media (max-width: 420px) {
  .brand { display: none; }
  .tools { margin-left: 0; width: 100%; justify-content: space-between; }
}
/* Motion takes over these transforms once the library has loaded */
.motion .reveal, .motion .reveal.in { transition: none; }
.motion .btn { transition: background var(--dur-fast); }
.motion .row-btn .name { transition: none; }
.motion .row-btn .arrow { transition: color var(--dur-fast); }
@media (hover: hover) { .motion .row-btn:hover .name, .motion .row-btn:hover .arrow { transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
  .hero h1 .ln > span { transform: none; }
}

/* Aleksejs Ivanovs — editorial refinement of the supplied visual system. */
:root { --header-h: 88px; --container: 1440px; --fs-hero: clamp(4rem, 7.8vw, 7rem); --fs-h2: clamp(3rem, 5.3vw, 5rem); --radius: 5px; --grain: .025; }
:root[data-theme="dark"] { --bg: #101112; --surface: #171819; --surface-2: #212324; --border: #303233; --muted: #a3a5a2; --accent: #ff6b45; --accent-ink: #ff6b45; --focus: #ff946f; }
:root[data-theme="light"] { --bg: #f4f4f2; --surface: #fff; --border: #d0d0cb; --accent: #b93417; --accent-ink: #b93417; }
body { line-height: 1.65; }
::selection { color: var(--bg); background: var(--accent); }
.container { padding-inline: clamp(24px, 4.2vw, 72px); }
.site-header { background: var(--bg); }
.brand { font-size: 27px; font-weight: 500; }
.nav { gap: 32px; }
.nav a { font-size: 12px; }
.nav a::before { font-size: 9px; color: var(--muted); }
.tools { gap: 22px; margin-left: 34px; }
.lang { gap: 0; }
.lang button { font-size: 10px; min-width: 33px; }
.icon-btn { border: 0; }
.hero { position: relative; display: block; min-height: min(920px, calc(100svh - var(--header-h))); padding-block: clamp(54px, 7.5vh, 88px) 28px; }
.hero .container { position: relative; }
.hero-kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 34px; color: var(--muted); font: 10px var(--font-mono); text-transform: uppercase; letter-spacing: .13em; }
.kicker-line { width: 28px; height: 1px; background: var(--accent); }
.hero h1 { position: relative; z-index: 2; line-height: .98; max-width: 13ch; letter-spacing: -.036em; }
.hero h1 em { color: var(--accent-ink); }
.hero .lead { position: relative; z-index: 2; font-size: 14px; line-height: 1.85; margin-top: 27px; max-width: 46ch; }
.hero-actions { position: relative; z-index: 2; gap: 25px; margin-top: 28px; }
.btn { min-height: 50px; padding-inline: 25px; border-radius: 2px; font-size: 12px; font-weight: 500; }
.btn-primary:hover { background: var(--focus); border-color: var(--focus); }
.btn-primary .icon { width: 15px; }
.btn-text { border: 0; padding-inline: 0; gap: 20px; }
.btn-text:hover { background: transparent !important; color: var(--accent-ink); }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--border); margin-top: 56px; padding-top: 22px; position: relative; z-index: 2; }
.hero-signature { display: flex; align-items: center; gap: 16px; }
.signature-mark { font: italic 35px var(--font-display); line-height: 1; }
.signature-mark span { color: var(--accent); }
.hero-signature > span:last-child { max-width: 29ch; font-size: 10px; line-height: 1.7; color: var(--muted); }
.scroll-hint { display: flex; gap: 30px; align-items: center; color: var(--muted); font: 9px var(--font-mono); text-decoration: none; text-transform: uppercase; letter-spacing: .04em; min-height: 44px; }
.scroll-hint > span:last-child { font: 28px var(--font-display); color: var(--accent); }
.art-frame { position: absolute; left: 54%; right: 5%; top: 70px; height: 430px; pointer-events: none; color: var(--muted); }
.art-top, .art-bottom { display: flex; justify-content: space-between; font: 8px var(--font-mono); letter-spacing: .07em; }
.art-top::before, .art-bottom::before { content: ''; position: absolute; width: 12px; height: 12px; border-left: 1px solid var(--border); }
.art-top::before { top: 23px; left: -12px; border-top: 1px solid var(--border); }
.art-bottom::before { bottom: 23px; left: -12px; border-bottom: 1px solid var(--border); }
.art-top span:last-child { color: var(--accent); }
.art-top span:last-child::before { content: '•'; margin-right: 6px; }
.art-bottom { position: absolute; bottom: 0; width: 100%; }
.orbit { position: absolute; width: 100%; height: 100%; top: 0; fill: none; stroke: var(--border); stroke-width: .5; opacity: .6; }
.orbit-inner { stroke-dasharray: 1 8; }
.cloud { z-index: 0; }
.cursor { display: none !important; }
section:not(.hero) { padding-block: 110px; }
#portfolio { border-top: 1px solid var(--border); }
.sec-head { grid-template-columns: 70px minmax(0, 1fr); gap: 18px; margin-bottom: 50px; }
.sec-head .num { color: var(--muted); font-size: 10px; padding-top: 17px; }
.sec-head p { font-size: 13px; line-height: 1.85; margin-top: 2px; }
.sec-head h2 { font-weight: 400; }
.lab-note { display: flex; align-items: center; gap: 11px; margin-bottom: 18px; font: 9px var(--font-mono); color: var(--muted); }
.lab-dot { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; flex: none; }
.lab-count { margin-left: auto; color: var(--accent); }
.row-btn { grid-template-columns: 70px minmax(0, 1fr) minmax(0, 255px) 32px; padding-block: 30px; gap: 18px; }
.row-btn .name { font-size: clamp(2.8rem, 4.7vw, 4.5rem); font-weight: 400; }
.row-btn .num { font-size: 10px; }
.row-btn .sub { font-size: 11px; margin-top: 9px; }
.row-btn .stack { font-size: 10px; line-height: 1.8; }
.row-btn .arrow { color: var(--accent); }
#skills { background: var(--surface); border-block: 1px solid var(--border); }
.skill-col h3 { font: 11px var(--font-mono); color: var(--accent); margin-bottom: 24px; text-transform: uppercase; letter-spacing: .05em; }
.skills { --od-gap: 80px; }
.skill-col li { font-size: 15px; padding-block: 17px; }
.skill-col li::before { font-size: 9px; padding-top: 5px; color: var(--muted); }
#contact .sec-head { margin-bottom: 34px; }
#contact .sec-head h2 { line-height: 1.08; }
#contact .sec-head p { max-width: 48ch; }
.mega { margin-left: 88px; font-size: clamp(3.5rem, 7.8vw, 7.3rem); letter-spacing: -.035em; }
.mega::after { height: 1px; transform: scaleX(1); opacity: .55; }
.mega:hover { color: var(--accent-ink); }
.contact-arrow { display: inline-block; font: 400 .7em var(--font-display); margin-left: .6em; color: var(--accent); }
.contact-tools { margin: 30px 0 0 88px; display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
.contact-link { color: var(--text); text-decoration: none; display: flex; gap: 20px; align-items: center; font-size: 12px; min-height: 44px; }
.contact-link:hover { color: var(--accent); }
.copy-contact { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; background: transparent; border: 0; color: var(--muted); cursor: pointer; padding: 0; min-height: 44px; }
.copy-contact .icon { width: 14px; }
.copy-contact:hover { color: var(--text); }
.copy-feedback { font: 10px var(--font-mono); color: var(--accent); }
footer { font-size: 10px; padding-block: 27px; }
footer a { color: var(--muted); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.footer-craft { font: 8px var(--font-mono); letter-spacing: .1em; }
.dialog-open { overflow: hidden; }
.case-head h3 { font-size: 2.5rem; }
.case-head .type { font-size: 10px; }
.case-text h4 { font-size: 10px; }
.case-text p { font-size: 13px; }
.case-body { padding: 30px; gap: 30px; }
.case-head { padding-inline: 30px; }
.demo-label { font-size: 9px; }
.no-script { padding: 30px; }
@media (min-width: 1600px) { .hero { padding-top: 100px; } .art-frame { top: 25px; } }
@media (max-width: 1100px) {
  .brand { font-size: 23px; } .tools { margin-left: 12px; gap: 8px; } .nav { gap: 18px; }
  .hero h1 { font-size: clamp(4rem, 9vw, 7rem); } .art-frame { left: 58%; height: 360px; top: 100px; }
  .row-btn { grid-template-columns: 56px minmax(0, 1fr) 32px; } .row-btn .stack { display: none; }
}
@media (max-width: 767px) {
  :root { --header-h: 76px; }
  .site-header .container { gap: 8px; } .brand { font-size: 21px; display: inline-block; }
  .tools { width: auto; margin-left: auto; gap: 3px; } .lang button { min-width: 29px; }
  .icon-btn { min-width: 36px; } .nav a { font-size: 14px; }
  .hero { min-height: auto; padding-top: 58px; padding-bottom: 28px; }
  .hero-kicker { font-size: 9px; margin-bottom: 28px; }
  .hero h1 { font-size: clamp(3.9rem, 11vw, 6rem); max-width: 11ch; }
  .hero .lead { font-size: 13px; max-width: 42ch; margin-top: 30px; }
  .hero-actions { gap: 24px; } .btn { font-size: 11px; padding-inline: 18px; }
  .btn-text { padding: 0; gap: 13px; }
  .art-frame { display: none; }
  .cloud { display: none; }
  .hero-bottom { margin-top: 54px; padding-top: 20px; }
  .scroll-hint { font-size: 8px; gap: 14px; } .hero-signature > span:last-child { font-size: 9px; max-width: 23ch; }
  section:not(.hero) { padding-block: 70px; }
  .sec-head { grid-template-columns: 30px minmax(0, 1fr); gap: 12px; margin-bottom: 34px; }
  .sec-head .num { padding-top: 13px; } .sec-head p { grid-column: 2; font-size: 12px; }
  .sec-head h2 { font-size: clamp(2.8rem, 7.5vw, 4rem); }
  .lab-note { font-size: 8px; align-items: baseline; line-height: 1.8; gap: 8px; }
  .row-btn { grid-template-columns: 30px minmax(0, 1fr) 24px; gap: 12px; padding-block: 25px; }
  .row-btn .name { font-size: 45px; } .row-btn .sub { font-size: 10px; max-width: 30ch; line-height: 1.7; }
  .skills { --od-gap: 42px; } .skill-col li { font-size: 14px; }
  .mega { margin-left: 42px; font-size: clamp(2.8rem, 10vw, 5rem); }
  .contact-arrow { margin-left: .3em; }
  .contact-tools { margin-left: 42px; gap: 10px 24px; }
  footer .container { gap: 8px 20px; } .footer-craft { display: none; }
  .case-body { padding: 20px; } .case-head { padding-inline: 20px; }
}
@media (max-width: 430px) {
  .site-header .container { padding-inline: 20px; } .brand { font-size: 19px; max-width: 145px; white-space: normal; line-height: 1.05; }
  .tools { width: auto; justify-content: initial; } .lang button { min-width: 27px; }
  .hero h1 { font-size: clamp(3.45rem, 12.6vw, 4.15rem); }
  .hero-bottom { gap: 12px; } .scroll-hint { max-width: 100px; line-height: 1.6; }
  .hero-signature { gap: 10px; } .hero-signature > span:last-child { max-width: 20ch; }
}
@media (prefers-reduced-motion: reduce) { .hero h1 .ln > span { animation: none; transform: none; } }

/* The first real case, followed by the existing experiment index. */
.featured-project { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); width: 100%; border: 1px solid var(--border); background: var(--surface); padding: 0; color: var(--text); text-align: left; cursor: pointer; margin-bottom: 66px; }
.featured-project > span { min-width: 0; }
.featured-visual { display: flex; flex-direction: column; background: #101112; overflow: hidden; }
.featured-bar { display: flex; justify-content: space-between; align-items: center; gap: 14px; color: #a3a5a2; font: 8px var(--font-mono); padding: 15px 18px; border-bottom: 1px solid #303233; }
.featured-dots { color: #565965; font-size: 6px; letter-spacing: 3px; }
.featured-visual img { display: block; width: 100%; height: auto; margin-block: auto; transition: opacity 250ms; }
.featured-details { display: flex; flex-direction: column; justify-content: center; padding: clamp(26px, 3.5vw, 50px); }
.featured-kicker { font: 9px var(--font-mono); line-height: 1.7; letter-spacing: .04em; color: var(--accent); }
.featured-title { font: 400 clamp(3.8rem, 6vw, 6rem)/1.1 var(--font-display); letter-spacing: -.035em; margin-top: 20px; }
.featured-line { font: 400 23px/1.35 var(--font-display); margin-top: 10px; }
.featured-description { color: var(--muted); font: 12px/1.85 var(--font-body); margin-top: 18px; }
.featured-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; font: 8px var(--font-mono); color: var(--muted); }
.featured-tags > span { border: 1px solid var(--border); padding: 5px 8px; }
.featured-action { display: flex; justify-content: space-between; align-items: center; font-size: 11px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.featured-action > span:last-child { color: var(--accent); font-size: 23px; transition: transform 200ms; }
.featured-project:hover .featured-action > span:last-child { transform: translate(3px,-3px); }
.featured-project:hover .featured-visual img { opacity: .9; }
.lab-heading { font: 10px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text); margin-bottom: 20px; }
dialog.case-real { width: min(1400px, calc(100vw - 32px)); height: min(940px, calc(100dvh - 32px)); }
.case-body.gallery-body { grid-template-columns: minmax(230px, .72fr) minmax(0, 1.8fr); gap: 40px; }
.project-info { gap: 25px; }
.project-info > div { min-width: 0; }
.privacy-note { padding: 15px; border: 1px solid var(--border); font: 9px/1.85 var(--font-mono) !important; }
.project-gallery { min-width: 0; }
.gallery-stage { display: block; border: 1px solid var(--border); background: #101112; }
.project-screen { display: block; width: 100%; height: auto; }
.gallery-controls { display: flex; gap: 15px; justify-content: space-between; align-items: center; margin-top: 12px; }
.gallery-caption { font: 10px/1.5 var(--font-mono); color: var(--muted); }
.gallery-arrows { display: flex; gap: 4px; flex: none; }
.gallery-arrows .icon-btn { border: 1px solid var(--border); }
.gallery-tabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px,1fr)); gap: 8px; margin-top: 18px; }
.gallery-tab { display: flex; flex-direction: column; gap: 9px; align-items: flex-start; min-height: 64px; text-align: left; border: 1px solid var(--border); background: transparent; color: var(--muted); padding: 10px; cursor: pointer; font: 9px/1.5 var(--font-body); }
.gallery-tab-number { font: 8px var(--font-mono); }
.gallery-tab[aria-pressed="true"] { border-color: var(--accent); color: var(--text); background: var(--surface); }
.gallery-tab[aria-pressed="true"] .gallery-tab-number { color: var(--accent); }
@media (max-width: 1023px) { .case-body.gallery-body { grid-template-columns: minmax(0,1fr); } .project-info { display: grid; grid-template-columns: 1fr 1fr; } .project-info .privacy-note { grid-column: 1 / -1; } }
@media (max-width: 767px) {
  .featured-project { grid-template-columns: 1fr; margin-bottom: 48px; }
  .featured-details { padding: 27px; } .featured-title { font-size: 64px; margin-top: 14px; }
  .featured-line { font-size: 25px; } .featured-bar { font-size: 7px; padding: 12px; }
  dialog.case-real { width: 100vw; height: 100dvh; border-radius: 0; }
  .case-body.gallery-body { gap: 28px; } .project-info { display: grid; grid-template-columns: minmax(0,1fr); gap: 20px; }
  .gallery-tabs { grid-template-columns: repeat(2,minmax(0,1fr)); } .gallery-tab { min-height: 60px; font-size: 10px; }
  .gallery-caption { font-size: 9px; }
}

/* Portrait phone screens (BrauX) */
.is-portrait .gallery-stage { display: flex; justify-content: center; padding: 16px; }
.is-portrait .project-screen { width: auto; max-width: 100%; height: min(60dvh, 620px); object-fit: contain; }
@media (max-width: 1023px) { .is-portrait .project-screen { height: min(66dvh, 560px); } }

/* Capabilities list in the case dialog */
.feature-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 18px; font: 12px/1.7 var(--font-body); color: var(--text); }
.feature-list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }

/* Typography: Geologica display, Onest text, JetBrains Mono labels. No italics. */
:root { --font-display: "Geologica", "Segoe UI", system-ui, sans-serif; --fs-hero: clamp(2.75rem, 6.2vw, 5.4rem); --fs-h2: clamp(2rem, 1rem + 3.4vw, 3.6rem); --fs-mega: clamp(1.6rem, .6rem + 4.4vw, 4.6rem); }
h1, h2, h3, h4, h5 { letter-spacing: -.03em; line-height: 1.08; }
em { font-style: normal; font-weight: 600; color: var(--accent-ink); }
.brand { font-weight: 600; font-size: 1.35rem; letter-spacing: -.03em; }
.hero h1 { font-weight: 500; line-height: 1.04; letter-spacing: -.045em; max-width: 15ch; }
.sec-head h2 { font-weight: 500; letter-spacing: -.04em; }
.row-btn .name { font-size: clamp(1.75rem, .8rem + 3.4vw, 3.5rem); letter-spacing: -.035em; }
.mega { font-style: normal; font-weight: 500; letter-spacing: -.04em; line-height: 1.12; }
.signature-mark { font: 600 28px/1 var(--font-display); font-style: normal; letter-spacing: -.04em; }
.scroll-hint > span:last-child, .contact-arrow { font-family: var(--font-body); }
.featured-title { font-weight: 500; font-size: clamp(2.6rem, 4.6vw, 4.6rem); line-height: 1.04; letter-spacing: -.045em; }
.featured-line { font-weight: 400; font-size: 20px; line-height: 1.35; letter-spacing: -.02em; }
.case-head h3 { font-weight: 500; font-size: 2rem; letter-spacing: -.04em; }
@media (min-width: 1024px) { .case-head h3 { font-size: 2.25rem; } }
@media (max-width: 767px) { .featured-title { font-size: clamp(2.4rem, 11vw, 3.4rem); } .hero h1 { max-width: 12ch; } }
@media (max-width: 767px) { .sec-head h2 { font-size: clamp(1.75rem, 8vw, 2.4rem); overflow-wrap: break-word; } }
@media (max-width: 480px) { .hero h1 { font-size: clamp(1.9rem, 10.2vw, 2.7rem); } .featured-title { font-size: clamp(2.2rem, 10vw, 3rem); } }

/* "More projects" note: readable sentence instead of a tiny mono label */
.lab-note { align-items: baseline; }
.lab-note > span:nth-child(2) { font: 500 clamp(1.1rem, 1rem + .8vw, 1.5rem)/1.4 var(--font-display); letter-spacing: -.02em; color: var(--text); text-transform: none; }

/* Contacts: Telegram, WhatsApp and phone as three large links */
.contact-big { display: flex; flex-direction: column; gap: clamp(14px, 2.2vw, 28px); margin-left: 88px; }
.contact-item { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-width: 0; max-width: 100%; }
.contact-item-label { font: 10px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent-ink); }
.contact-big .mega { margin-left: 0; font-size: clamp(2rem, 4.8vw, 4.6rem); }
@media (max-width: 767px) { .contact-big { margin-left: 42px; } .contact-big .mega { font-size: clamp(1.7rem, 8vw, 2.7rem); } }

/* One phone number: tap it to call, WhatsApp button beside it */
.contact-phone-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; min-width: 0; }
.wa-btn { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 20px 0 16px; color: var(--text); text-decoration: none; font: 500 14px/1 var(--font-body); border: 1px solid var(--border); border-radius: 999px; transition: border-color 200ms, color 200ms; }
.wa-btn:hover, .wa-btn:focus-visible { border-color: #25d366; color: #25d366; }
.wa-icon { width: 24px; height: 24px; fill: #25d366; flex: none; }

/* About: years of experience and three short points */
section[id], #about { scroll-margin-top: 90px; }
.about-grid { display: grid; grid-template-columns: minmax(180px, .5fr) minmax(0, 1.5fr); gap: clamp(28px, 5vw, 80px); margin-left: 88px; align-items: start; }
.about-years { display: flex; flex-direction: column; gap: 10px; }
.about-num { font: 500 clamp(6rem, 12vw, 11rem)/.85 var(--font-display); letter-spacing: -.06em; color: var(--accent-ink); }
.about-num-label { font: 10px/1.7 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); max-width: 22ch; }
.about-text { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; min-width: 0; }
.about-text > p { font: 400 clamp(1.1rem, 1rem + .5vw, 1.4rem)/1.55 var(--font-body); max-width: 52ch; }
.about-points { display: grid; gap: 0; width: 100%; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--border); }
.about-points li { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(0, 1.4fr); gap: 8px 24px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.about-points strong { font: 600 15px/1.4 var(--font-body); }
.about-points span { color: var(--muted); font: 13px/1.7 var(--font-body); }
@media (max-width: 767px) { .about-grid { margin-left: 0; grid-template-columns: minmax(0, 1fr); } .about-points li { grid-template-columns: minmax(0, 1fr); } }

/* Theme switch wave */
@property --wave { syntax: "<length>"; inherits: false; initial-value: 0px; }
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }
.theme-wave::view-transition-old(root) { transform-origin: var(--wx) var(--wy); }
.theme-wave::view-transition-new(root) {
  -webkit-mask-image: radial-gradient(circle at var(--wx) var(--wy), #000 calc(var(--wave) - 260px), transparent var(--wave));
  mask-image: radial-gradient(circle at var(--wx) var(--wy), #000 calc(var(--wave) - 260px), transparent var(--wave));
}

/* Language switch: slot-machine letters */
.scr-w { display: inline-block; white-space: nowrap; }
.scr-c { position: relative; display: inline-block; }
.scr-c.is-scr { color: transparent !important; }
.scr-c.is-scr::before { content: attr(data-r); position: absolute; inset: 0; text-align: center; color: color-mix(in srgb, var(--accent-ink) calc(var(--scr-heat, 0) * 100%), var(--scr-base, currentColor)); font-style: normal; clip-path: inset(-20% 0 -20% 0); }
.scr-done { animation: scr-lock 220ms cubic-bezier(.2, .8, .2, 1); }
@keyframes scr-lock { from { transform: translateY(-.14em); opacity: .35; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .scr-done { animation: none; } }
/* Wider language tap targets where the header has room */
@media (min-width: 360px) { .lang button { min-width: 34px; } }