/* Modernist — design-system tokens and component classes. This file is the source of truth for the system's look; retune it here and see readme.md. */

/* Inter — self-hosted (weights 400/600/800, latin + cyrillic subsets).
   Chosen over Archivo because Inter has full cyrillic coverage — this site
   is mostly Russian-language content.
   Files are not committed by default; run scripts/fetch_fonts.sh to populate static/fonts/. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/inter-cyrillic-400.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/inter-latin-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/inter-cyrillic-600.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/inter-latin-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("/static/fonts/inter-cyrillic-800.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("/static/fonts/inter-latin-800.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-accent-2: #e15b47;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

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

  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;

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

  --font-heading: "Inter", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

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

  --container-max-width: 880px;

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

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

html { overflow-x: hidden; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-wrap: break-word;
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

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

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

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

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

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

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

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 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: 2px solid var(--color-divider);
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

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

/* ══════════════════════════════════════════════════════════════════════════
   Site — page-level layout and components specific to this portfolio.
   Built on the Modernist tokens/components above; no new colors or fonts.
   ══════════════════════════════════════════════════════════════════════ */

a:hover { color: var(--color-accent-700); }

/* — site chrome — */
.site-nav {
  border-bottom: 2px solid var(--color-divider);
}
.site-nav__inner {
  max-width: var(--container-max-width); margin: 0 auto;
  display: flex; align-items: center; gap: var(--space-8);
  padding: var(--space-4) var(--space-8);
}
.site-nav__brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 15px;
}
.site-nav__link {
  font-size: 13px; font-family: var(--font-mono); text-decoration: none; color: var(--color-text);
}
.site-nav__link:hover, .site-nav__link[aria-current="page"] { color: var(--color-accent); }

.site-main { max-width: var(--container-max-width); margin: 0 auto; padding: 48px 32px 96px; }
.site-main--index { padding-top: 56px; }

.site-footer {
  max-width: var(--container-max-width); margin: 0 auto; padding: 0 32px 40px;
  font-family: var(--font-mono); font-size: 11px; opacity: 0.5;
}

/* — section label (small uppercase mono kicker) — */
.section-label {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  font-family: var(--font-mono); margin: 24px 0 4px;
}

/* — index hero — */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8);
  padding-bottom: var(--space-8); border-bottom: 2px solid var(--color-divider);
}
.hero__title { font-size: 40px; line-height: 1.1; margin: 0 0 12px; }
.hero__tagline { font-family: var(--font-mono); font-size: 14px; color: var(--color-accent-700); margin: 0 0 16px; }
.hero__description { font-size: 15px; line-height: 1.6; margin: 0; max-width: 46ch; opacity: 0.85; }
.hero__contacts {
  display: flex; flex-direction: column; justify-content: flex-end; gap: 6px;
  font-family: var(--font-mono); font-size: 13px; min-width: 0;
}
.hero__contacts a { text-decoration: none; color: var(--color-text); overflow-wrap: break-word; }

/* — index list of sections — */
.index-list { padding-top: 8px; }
.index-list__row {
  display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; gap: var(--space-4);
  align-items: baseline; text-decoration: none; color: inherit;
  padding: 18px 0; border-bottom: 1px solid var(--color-divider);
}
.index-list__row:hover { color: var(--color-accent-700); }
.index-list__num { font-family: var(--font-mono); font-size: 12px; opacity: 0.55; }
.index-list__title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 20px;
  display: block; margin-bottom: 4px;
}
.index-list__desc { font-size: 13px; opacity: 0.7; }
.index-list__arrow { font-family: var(--font-mono); font-size: 13px; color: var(--color-accent); }

/* — contacts block (index + about) — */
.contacts { margin-top: 48px; padding-top: 24px; border-top: 2px solid var(--color-divider); }
.contacts__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.contact-card { padding: 14px; background: var(--color-surface); font-family: var(--font-mono); font-size: 13px; min-width: 0; }
.contact-card__label { opacity: 0.55; font-size: 11px; margin-bottom: 6px; }
.contact-card a { text-decoration: none; color: var(--color-text); overflow-wrap: break-word; }

/* — page header (Graphics / Tools / admin) — */
.h-page { font-size: 30px; margin: 0 0 8px; }
.page-desc { font-size: 13px; opacity: 0.65; margin: 0 0 32px; font-family: var(--font-mono); }

/* — accordions (Graphics / Tools) — */
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.accordion-item { border-top: 2px solid var(--color-divider); padding: 18px 0; }
.accordion-item:last-child { border-bottom: 2px solid var(--color-divider); }
.accordion-chevron { font-family: var(--font-mono); font-size: 13px; opacity: 0.5; }
.empty-note { font-family: var(--font-mono); font-size: 13px; opacity: 0.6; padding: 18px 0; }

/* — chips (small tag plaques on accordion summaries) — */
.chip {
  display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.02em; padding: 2px 8px;
}
.chip--accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.chip--neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }

/* — graphics accordion — */
.work-summary { display: grid; grid-template-columns: 90px minmax(0, 1fr) auto auto; gap: var(--space-4); align-items: center; }
.work-summary__date { font-family: var(--font-mono); font-size: 12px; opacity: 0.55; }
.work-summary__title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 17px; overflow-wrap: break-word; }
.work-summary__tags { display: flex; gap: 6px; flex-wrap: wrap; min-width: 0; }

.work-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-top: 20px; }
.work-media { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.work-media img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.work-media-placeholder {
  aspect-ratio: 16/9;
  background: repeating-linear-gradient(45deg, var(--color-surface), var(--color-surface) 8px, var(--color-neutral-200) 8px, var(--color-neutral-200) 16px);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 11px; opacity: 0.6; text-align: center; padding: 12px;
}
.work-media__video iframe { width: 100%; aspect-ratio: 16/9; border: 0; }
.work-body__text { min-width: 0; }
.work-body__desc { font-size: 14px; line-height: 1.6; opacity: 0.85; margin: 0 0 10px; }
.work-body__meta { margin: 0; font-family: var(--font-mono); font-size: 12px; opacity: 0.6; }

/* — tools accordion — */
.tool-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: var(--space-4); align-items: center; }
.tool-summary__name { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 17px; overflow-wrap: break-word; }
.tool-summary__version { font-family: var(--font-mono); font-size: 12px; opacity: 0.55; margin-left: 10px; }
.tool-summary__tags { display: flex; gap: 6px; }

.tool-body { margin-top: 18px; font-size: 14px; line-height: 1.6; }
.tool-body__desc { margin: 0 0 14px; opacity: 0.85; }
.tool-body__links { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-4); font-family: var(--font-mono); font-size: 13px; }
.tool-body__links a {
  text-decoration: none; color: var(--color-text); border-bottom: 1px solid var(--color-divider);
  overflow-wrap: break-word; word-break: break-all; min-width: 0;
}
.tool-body__install-label { opacity: 0.55; font-size: 11px; margin-bottom: 6px; font-family: var(--font-mono); }
.tool-body pre {
  margin: 0; padding: 14px; background: var(--color-surface); font-family: var(--font-mono);
  font-size: 12px; line-height: 1.6; overflow-x: auto; border: 1px solid var(--color-divider);
  white-space: pre-wrap; word-break: break-word;
}

/* — scripts section (Tools page) — */
.scripts-section { border-top: 2px solid var(--color-divider); border-bottom: 2px solid var(--color-divider); padding: 18px 0; }
.scripts-section .section-label { margin: 0 0 12px; }
.scripts-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding: 8px 0;
  border-bottom: 1px solid var(--color-divider); align-items: baseline;
}
.scripts-row:last-child { border-bottom: none; }
.scripts-row__desc { font-size: 14px; overflow-wrap: break-word; }
.scripts-row__link {
  font-family: var(--font-mono); font-size: 12px; text-decoration: none; color: var(--color-text);
  border-bottom: 1px solid var(--color-divider); white-space: nowrap;
}

/* — work detail — */
.breadcrumb { font-family: var(--font-mono); font-size: 13px; margin: 0 0 24px; }
.breadcrumb a { text-decoration: none; color: var(--color-text); }
.detail-tags { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }

/* — about page — */
.about h1 { margin-bottom: 24px; }
.about-bio { font-size: 15px; line-height: 1.7; max-width: 60ch; margin: 0 0 32px; opacity: 0.85; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 8px; table-layout: fixed; }
.data-table tr { border-top: 1px solid var(--color-divider); }
.data-table tr:last-child { border-bottom: 1px solid var(--color-divider); }
.data-table td { padding: 10px 0; overflow-wrap: break-word; }
.data-table td:first-child { font-family: var(--font-mono); font-size: 12px; opacity: 0.55; width: 160px; }

/* — admin — */
.admin-login { max-width: 360px; display: flex; flex-direction: column; gap: var(--space-4); }
.admin-login__error { font-family: var(--font-mono); font-size: 13px; color: var(--color-accent); margin: 0; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-6); }
.admin-table__mono { font-family: var(--font-mono); font-size: 13px; }
.admin-table__actions { display: flex; gap: var(--space-3); align-items: center; }
.admin-table__actions form { display: inline; }
.admin-form { display: flex; flex-direction: column; gap: var(--space-4); max-width: 560px; }
.admin-fieldset {
  border: 1px solid var(--color-divider); padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-4); margin: 0;
}
.admin-fieldset legend {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.08em; opacity: 0.55; padding: 0 6px;
}
.admin-form__current-thumb { max-width: 200px; margin-bottom: var(--space-2); border: 1px solid var(--color-divider); }

/* ══════════════════════════════════════════════════════════════════════════
   Mobile — collapse multi-column layouts below 640px so nothing forces
   horizontal scroll on narrow (320–430px) viewports.
   ══════════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .site-nav__inner { padding: var(--space-3) var(--space-4); gap: var(--space-3); flex-wrap: wrap; }
  .site-main { padding: 32px 20px 64px; }
  .site-main--index { padding-top: 40px; }
  .site-footer { padding: 0 20px 32px; }

  /* hero: text column + contacts column collapse into one stacked column */
  .hero { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero__title { font-size: 30px; }
  .hero__contacts { justify-content: flex-start; margin-top: var(--space-2); }

  /* contacts: 3 cards -> 1 per row */
  .contacts__grid { grid-template-columns: 1fr; }

  /* index list: narrower first column, no fixed 120px hard track */
  .index-list__row { grid-template-columns: 72px minmax(0, 1fr) auto; gap: var(--space-3); }
  .index-list__title { font-size: 18px; }

  /* graphics accordion summary: stack date / title / tags across rows */
  .work-summary {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "date    chevron"
      "title   title"
      "tags    tags";
    row-gap: 6px;
    align-items: start;
  }
  .work-summary__date { grid-area: date; }
  .work-summary__title { grid-area: title; }
  .work-summary__tags { grid-area: tags; }
  .work-summary .accordion-chevron { grid-area: chevron; }

  /* graphics accordion body: media above text instead of side-by-side */
  .work-body { grid-template-columns: 1fr; }

  /* tools accordion summary: stack name+version / tags across rows */
  .tool-summary {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "name   chevron"
      "tags   tags";
    row-gap: 6px;
    align-items: start;
  }
  .tool-summary > span:first-child { grid-area: name; min-width: 0; }
  .tool-summary__tags { grid-area: tags; }
  .tool-summary .accordion-chevron { grid-area: chevron; }

  /* about tables: label above value instead of a cramped 2-column row */
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: auto; }
  .data-table tr { padding: 10px 0; }
  .data-table td { padding: 0; }
  .data-table td:first-child { width: auto; margin-bottom: 4px; }

  /* admin dashboard table: allow it to scroll within itself rather than the page */
  .table { display: block; overflow-x: auto; }
}