/* ------------------------------------------------------------
   javharbek.uz — blog stylesheet, design v2
   Tokens and components follow the "Блог учёного-инженера" canvas:
   Manrope for text, STIX Two Text for mathematics, light and dark
   themes, one blue accent for links in figures.
   ------------------------------------------------------------ */

:root {
  --bg: #FFFFFF; --bg2: #F4F4F4; --bg3: #EAEAEA; --card: #FFFFFF; --line: #EEEEEE;
  --fg: #171A20; --fg2: #393C41; --fg3: #5C5E62; --fg4: #7A7C80;
  --curve: #C9CBCE; --pb: #171A20; --pf: #FFFFFF; --ph: #000000;
  --sh: rgba(23,26,32,.07); --accent: #3E6AE1; --err: #B42318;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --math: "STIX Two Text", "Cambria Math", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1012; --bg2: #18191C; --bg3: #222327; --card: #0F1012; --line: #24262A;
    --fg: #EDEDED; --fg2: #C9CACC; --fg3: #9A9CA0; --fg4: #85878B;
    --curve: #3A3C41; --pb: #EDEDED; --pf: #0F1012; --ph: #FFFFFF;
    --sh: rgba(237,237,237,.09); --accent: #6B8DF0; --err: #FF8A80;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1012; --bg2: #18191C; --bg3: #222327; --card: #0F1012; --line: #24262A;
  --fg: #EDEDED; --fg2: #C9CACC; --fg3: #9A9CA0; --fg4: #85878B;
  --curve: #3A3C41; --pb: #EDEDED; --pf: #0F1012; --ph: #FFFFFF;
  --sh: rgba(237,237,237,.09); --accent: #6B8DF0; --err: #FF8A80;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.themed, .themed * { transition: background-color .3s, color .3s, border-color .3s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.math { font-family: var(--math); }
.mono { font-family: var(--mono); }
.wrap { max-width: 1440px; margin: 0 auto; padding-inline: max(24px, env(safe-area-inset-left, 0px)) max(24px, env(safe-area-inset-right, 0px)); }
.wrap-m { max-width: 1240px; margin: 0 auto; padding-inline: max(24px, env(safe-area-inset-left, 0px)) max(24px, env(safe-area-inset-right, 0px)); }
.wrap-s { max-width: 1040px; margin: 0 auto; padding-inline: max(24px, env(safe-area-inset-left, 0px)) max(24px, env(safe-area-inset-right, 0px)); }
.wrap-xs { max-width: 900px; margin: 0 auto; padding-inline: max(24px, env(safe-area-inset-left, 0px)) max(24px, env(safe-area-inset-right, 0px)); }

/* underline-on-hover link */
.ul { background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .33s ease; padding-bottom: 2px; font-size: 14px; font-weight: 500; }
.ul:hover { background-size: 100% 1px; }

/* buttons */
.b1, .b2 { min-width: 220px; height: 40px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 4px; font-size: 14px; font-weight: 500; cursor: pointer; transition: background-color .33s ease, color .33s ease; }
.b1 { background: var(--pb); color: var(--pf); }
.b1:hover { background: var(--ph); }
.b2 { background: var(--bg2); color: var(--fg2); }
.b2:hover { background: var(--bg3); }
.on-bg2 .b2 { background: var(--card); }
.on-bg2 .b2:hover { background: var(--bg3); }
.ghost { border-radius: 4px; transition: background-color .33s ease; }
.ghost:hover { background: var(--sh); }

/* ---------- header ---------- */
.site-header { position: relative; z-index: 2; }
.site-header .wrap { padding-block: 14px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-size: 14px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; padding: 8px 0; white-space: nowrap; }
.nav { display: flex; flex-wrap: wrap; gap: 2px; font-size: 14px; font-weight: 500; }
.nav a { padding: 8px 14px; border-radius: 4px; transition: background-color .33s ease; }
.nav a:hover { background: var(--sh); }
.nav a[aria-current="page"] { color: var(--fg3); }
.tools { display: flex; align-items: center; gap: 8px; }
.langs { display: flex; gap: 2px; padding: 3px; border-radius: 6px; background: var(--bg2); }
.langs a { height: 32px; min-width: 40px; padding: 0 10px; display: inline-flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--fg3); }
.langs a[aria-current="true"] { background: var(--card); color: var(--fg); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.theme-btn { width: 40px; height: 40px; padding: 0; border: 0; background: transparent; color: var(--fg); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.theme-btn svg { display: block; }
.theme-btn .sun { display: none; }
:root[data-theme="dark"] .theme-btn .sun { display: block; }
:root[data-theme="dark"] .theme-btn .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .sun { display: block; }
  :root:not([data-theme="light"]) .theme-btn .moon { display: none; }
}
@media (max-width: 720px) { .site-header .nav { order: 3; width: 100%; } }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 680px; margin-top: -68px; padding: 168px 24px 72px; display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 48px; overflow: hidden; }
.hero svg.bg { position: absolute; left: 50%; top: 50%; width: min(980px, 150vw); height: auto; transform: translate(-50%, -50%); opacity: .6; pointer-events: none; }
@keyframes draw { from { stroke-dashoffset: 9000; } to { stroke-dashoffset: 0; } }
.attractor { stroke-dasharray: 9000; animation: draw 10s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.rise { animation: rise 1s cubic-bezier(.2,.7,.2,1) both; }
.hero-text { position: relative; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.hero h1 { margin: 0; font-size: clamp(40px, 5vw, 64px); font-weight: 500; line-height: 1.1; letter-spacing: -.01em; display: flex; flex-direction: column; }
.hero-sub { margin: 0; font-size: 15px; font-weight: 500; color: var(--fg2); }
.hero-cta { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 24px; animation-delay: .2s; }
.hero-cta .b1, .hero-cta .b2 { min-width: 264px; }

/* ---------- posts ---------- */
.posts { padding: 96px 0 120px; }
.posts .wrap-s { display: flex; flex-direction: column; gap: 32px; }
.posts-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; }
h2.sec { margin: 0; font-size: clamp(30px, 3.2vw, 40px); font-weight: 500; line-height: 1.2; text-wrap: balance; }
.search { flex: 0 1 380px; min-width: 240px; display: flex; flex-direction: column; gap: 6px; }
.search label { font-size: 13px; font-weight: 500; color: var(--fg3); }
.search .field { position: relative; }
.search svg { position: absolute; left: 14px; top: 13px; color: var(--fg4); }
.search input { width: 100%; height: 44px; padding: 0 16px 0 42px; border: 0; border-radius: 4px; background: var(--bg2); color: var(--fg); font-family: var(--sans); font-size: 15px; }
.search input::placeholder { color: var(--fg4); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-left: -16px; }
.chip { height: 40px; padding: 0 16px; display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 4px; background: transparent; color: var(--fg3); font-size: 14px; font-weight: 500; cursor: pointer; transition: background-color .33s ease; }
.chip[aria-pressed="true"] { background: var(--bg2); color: var(--fg); }
.chip small { font-size: 12px; color: var(--fg4); }
.featured { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 40px; align-items: center; padding: 40px; border-radius: 4px; background: var(--bg2); transition: background-color .33s ease; }
.featured:hover { background: var(--bg3); }
.featured .txt { display: flex; flex-direction: column; gap: 16px; }
.kicker { font-size: 13px; font-weight: 500; color: var(--fg3); }
.featured .ttl { font-size: clamp(26px, 2.6vw, 34px); font-weight: 500; line-height: 1.2; letter-spacing: -.01em; text-wrap: balance; }
.featured .sum { font-size: 16px; line-height: 1.7; color: var(--fg2); }
.featured .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding-top: 8px; font-size: 13px; color: var(--fg3); }
.featured .meta .ul { color: var(--fg); }
.featured .fig { display: flex; flex-direction: column; gap: 16px; padding: 28px; border-radius: 4px; background: var(--card); }
.featured .fig svg { width: 100%; height: auto; display: block; }
.featured .fig .formula { text-align: center; font-size: 18px; font-style: italic; color: var(--fg2); }
.found { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; color: var(--fg3); }
.found button { padding: 4px 0; border: 0; background: transparent; color: var(--fg); font-size: 13px; font-weight: 500; cursor: pointer; }
.list { display: flex; flex-direction: column; margin-top: -20px; border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line); }
.row .l { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.row .rt { font-size: clamp(19px, 1.8vw, 22px); font-weight: 500; line-height: 1.35; text-wrap: balance; transition: color .33s ease; }
.row:hover .rt { color: var(--fg3); }
.row .ex { font-size: 15px; color: var(--fg3); }
.row .r { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 13px; color: var(--fg3); white-space: nowrap; }
.empty { margin: 0; padding: 56px 0; text-align: center; font-size: 16px; color: var(--fg3); }

/* ---------- fields ---------- */
.fields { padding: 112px 0; background: var(--bg2); }
.fields .wrap-m { display: flex; flex-direction: column; gap: 40px; }
.fields-head { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.fields-head p { margin: 0; font-size: 16px; color: var(--fg3); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr)); gap: 12px; }
.tile { background: var(--card); border-radius: 4px; padding: 28px; display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 20px; align-items: center; transition: background-color .33s ease; cursor: pointer; border: 0; text-align: left; color: inherit; font: inherit; }
.tile:hover { background: var(--bg3); }
.tile .glyph { font-size: 40px; line-height: 1; text-align: center; }
.tile .glyph.it { font-style: italic; }
.tile .nm { display: flex; flex-direction: column; gap: 2px; }
.tile .nm b { font-size: 18px; font-weight: 500; }
.tile .nm span { font-size: 14px; color: var(--fg3); }
.tile .cnt { font-size: 13px; font-weight: 500; color: var(--fg4); }

/* ---------- formula of the week ---------- */
.formula-sec { padding: 128px 0; }
.formula-sec .wrap-xs { display: flex; flex-direction: column; align-items: center; gap: 32px; text-align: center; }
.formula-sec .kicker { font-size: 14px; }
.bigmath { display: flex; align-items: center; gap: .2em; font-size: clamp(40px, 5vw, 68px); font-style: italic; line-height: 1.2; flex-wrap: wrap; justify-content: center; }
.bigmath .n { font-style: normal; }
.formula-sec p { margin: 0; max-width: 600px; font-size: 16px; line-height: 1.75; color: var(--fg2); text-wrap: pretty; }

/* ---------- research ---------- */
.research { padding: 112px 0; border-top: 1px solid var(--line); }
.research .wrap-m { display: flex; flex-direction: column; gap: 40px; }
.research h2 { text-align: center; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr)); gap: 12px; }
.cards article { background: var(--bg2); border-radius: 4px; padding: 36px 32px; display: flex; flex-direction: column; gap: 14px; }
.cards h3 { margin: 0; font-size: 22px; font-weight: 500; line-height: 1.3; }
.cards p { margin: 0; font-size: 15px; color: var(--fg2); flex-grow: 1; }

/* ---------- about teaser ---------- */
.about-teaser { padding: 112px 0; background: var(--bg2); }
.about-teaser .wrap-s { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.about-teaser img { flex: 0 0 auto; width: 200px; height: 200px; object-fit: cover; border-radius: 4px; }
.about-teaser .txt { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.about-teaser .kicker { font-size: 14px; }
.about-teaser h2 { margin: 0; font-size: clamp(28px, 3vw, 36px); font-weight: 500; line-height: 1.2; }
.about-teaser p { margin: 0; font-size: 16px; line-height: 1.75; color: var(--fg2); max-width: 640px; }
.about-teaser .btns { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 8px; }
.about-teaser .b2 { min-width: 160px; }

/* ---------- footer ---------- */
.site-footer { padding: 32px 24px 40px; border-top: 1px solid var(--line); }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; font-size: 12px; color: var(--fg3); }
.site-footer a:hover { color: var(--fg); }

/* ---------- article ---------- */
.progress { height: 2px; background: var(--bg2); }
.progress div { width: 0; height: 2px; background: var(--fg); }
.art-head { padding: 120px 0 72px; display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
.art-head .kicker { font-size: 14px; }
.art-head h1 { margin: 0; font-size: clamp(36px, 4.6vw, 56px); font-weight: 500; line-height: 1.12; letter-spacing: -.01em; text-wrap: balance; }
.art-head .dek { margin: 0; max-width: 680px; font-size: 18px; line-height: 1.65; color: var(--fg2); text-wrap: pretty; }
.author { display: flex; align-items: center; gap: 14px; padding-top: 12px; }
.author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.author .who { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.4; text-align: left; }
.author .who b { font-size: 14px; font-weight: 500; }
.author .who span { font-size: 13px; color: var(--fg3); }
.art-body { padding: 0 0 120px; display: flex; flex-wrap: wrap; gap: 64px; align-items: flex-start; }
.toc { flex: 1 1 200px; max-width: 240px; display: flex; flex-direction: column; gap: 12px; padding-top: 6px; position: sticky; top: 24px; }
.toc > span { font-size: 13px; font-weight: 500; color: var(--fg4); }
.toc nav { display: flex; flex-direction: column; gap: 2px; font-size: 14px; font-weight: 500; }
.toc a { padding: 6px 0; color: var(--fg3); transition: color .33s ease; }
.toc a:hover, .toc a.active { color: var(--fg); }
.article { flex: 999 1 560px; min-width: 0; max-width: 720px; display: flex; flex-direction: column; gap: 24px; font-size: 17px; line-height: 1.8; color: var(--fg2); }
.article h2 { margin: 24px 0 0; font-size: 28px; font-weight: 500; line-height: 1.3; color: var(--fg); text-wrap: balance; }
.article h2:first-child { margin-top: 0; }
.article p { margin: 0; }
.article strong { color: var(--fg); font-weight: 600; }
.article .m { font-family: var(--math); font-style: italic; font-size: 19px; color: var(--fg); }
.article .m .n, .article .n { font-style: normal; }
.article sup { font-size: .7em; line-height: 0; }
.eq { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 40px 32px; background: var(--bg2); border-radius: 4px; }
.eq .math { flex: 1; display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 28px; font-style: italic; color: var(--fg); }
.eq .num { font-size: 13px; color: var(--fg4); }
.frac { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.25; }
.frac > span:first-child { padding: 0 6px 4px; }
.frac > span:last-child { padding: 4px 6px 0; border-top: 1.5px solid var(--fg); }
.figure { margin: 8px 0; display: flex; flex-direction: column; gap: 12px; }
.figure canvas { display: block; width: 100%; height: auto; max-width: 100%; }
.figure-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; font-size: 14px; color: var(--fg3); }
.figure-controls label { display: flex; align-items: center; gap: 12px; flex: 1 1 260px; min-width: 0; }
.figure-controls output, .figure-controls .value { color: var(--fg); font-variant-numeric: tabular-nums; min-width: 6ch; }
.figcaption { font-size: 13px; color: var(--fg3); }
input[type="range"] { -webkit-appearance: none; appearance: none; flex: 1; min-width: 0; height: 24px; background: transparent; margin: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: var(--curve); border-radius: 1px; }
input[type="range"]::-moz-range-track { height: 2px; background: var(--curve); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--fg); border: 0; margin-top: -7px; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--fg); border: 0; }
input[type="range"]:focus-visible { outline: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--accent); }
.table-wrap { overflow-x: auto; }
.data { width: 100%; min-width: 420px; border-collapse: collapse; font-size: 15px; line-height: 1.5; font-variant-numeric: tabular-nums; }
.data th { text-align: left; padding: 12px 16px 12px 0; font-size: 13px; font-weight: 500; color: var(--fg4); border-bottom: 1px solid var(--line); }
.data td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data td:first-child { color: var(--fg); font-weight: 500; }
.takeaway { display: flex; flex-direction: column; gap: 12px; padding: 32px; background: var(--bg2); border-radius: 4px; }
.takeaway h2 { margin: 0; font-size: 22px; }
.takeaway ul { margin: 0; padding-left: 1.1em; font-size: 16px; line-height: 1.7; }
.takeaway li { margin: 6px 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 24px; border-top: 1px solid var(--line); }
.tags a { height: 32px; padding: 0 14px; display: inline-flex; align-items: center; border-radius: 4px; background: var(--bg2); font-size: 13px; color: var(--fg2); transition: background-color .33s ease; }
.tags a:hover { background: var(--bg3); }
.art-nav { background: var(--bg2); padding: 80px 0; }
.art-nav .wrap-m { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 16px; }
.art-nav a { background: var(--card); border-radius: 4px; padding: 32px; display: flex; flex-direction: column; gap: 8px; transition: background-color .33s ease; }
.art-nav a:hover { background: var(--bg3); }
.art-nav .big { font-size: 20px; font-weight: 500; line-height: 1.35; }

/* ---------- about ---------- */
.about-hero { padding: 96px 0 72px; display: flex; flex-wrap: wrap; gap: 64px; align-items: center; }
.about-hero img { flex: 0 0 auto; width: 300px; height: 300px; object-fit: cover; border-radius: 4px; max-width: 100%; }
.about-hero .txt { flex: 1 1 440px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.about-hero .kicker { font-size: 14px; }
.about-hero h1 { margin: 0; font-size: clamp(36px, 4vw, 52px); font-weight: 500; line-height: 1.1; letter-spacing: -.01em; }
.roles { display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 15px; font-weight: 500; color: var(--fg2); }
.roles i { font-style: normal; color: var(--curve); }
.loc { font-size: 14px; color: var(--fg3); }
.about-hero .bio { display: flex; flex-direction: column; gap: 14px; font-size: 16px; line-height: 1.75; color: var(--fg2); max-width: 680px; }
.about-hero .bio p { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 32px; padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; }
.stats div { display: flex; flex-direction: column; gap: 4px; }
.stats b { font-size: 36px; font-weight: 500; line-height: 1.2; }
.stats span { font-size: 13px; color: var(--fg3); }
.about-grid { padding: 80px 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(480px, 100%), 1fr)); gap: 64px; }
.about-grid h2 { margin: 0 0 16px; font-size: 22px; font-weight: 500; }
.job { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.job .y { font-size: 13px; color: var(--fg3); padding-top: 2px; }
.job .d { display: flex; flex-direction: column; gap: 2px; }
.job .d b { font-size: 15px; font-weight: 500; }
.job .d span { font-size: 14px; color: var(--fg3); }
.job .d small { font-size: 14px; color: var(--fg4); }
.edu { display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--fg2); }
.edu b { font-size: 15px; font-weight: 500; color: var(--fg); }
.edu .uni { color: var(--fg3); }
.right-col { display: flex; flex-direction: column; gap: 56px; }
.stack .k { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.stack .k span:first-child { color: var(--fg3); }
.stack .k span:last-child { white-space: pre-line; }
@media (max-width: 520px) { .stack .k, .job { grid-template-columns: 1fr; gap: 4px; } }
.contacts { padding: 96px 0; background: var(--bg2); }
.contacts .wrap-s { display: flex; flex-direction: column; align-items: center; gap: 28px; text-align: center; }
.contacts h2 { margin: 0; font-size: clamp(28px, 3vw, 36px); font-weight: 500; line-height: 1.2; }
.contacts .btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.contacts .b1, .contacts .b2 { min-width: 200px; }