:root {
  --c-bg:#FFFFFF;
  --c-panel:#FAF8F4;
  --c-panel-2:#F3F5F4;
  --c-border:#E4E8E6;
  --c-border-strong:#CDD6D2;
  --c-accent:#13805E;
  --c-accent-dark:#0B4F3C;
  --c-ink:#142B25;
  --c-muted:#5B6B66;
  --c-success:#2E9B6A;
  --c-warn:#C98A2B;
  --c-error:#C2453D;
  --c-cobalt:#2F6FDB;
  --c-apricot:#FBE4C6;
  --c-apricot-soft:#FDF1E1;
  --c-apricot-line:#EBC28C;
  --c-mint:#E6F1EC;
  --c-mint-deep:#CFE4D9;
  --c-skel:#D5DDDA;
  --c-skel-soft:#E6EBE9;
  --c-skel-strong:#B9C5C0;
  --c-clear:transparent;
  --c-veil:rgba(20,43,37,.24);
  --font-display:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --radius-card:20px;
  --radius-illus:24px;
  --radius-field:10px;
  --radius-focus:6px;
  --radius-small:3px;
  --radius-pill:999px;
  --radius-circle:50%;
  --shadow-float:0 18px 40px rgba(20,43,37,.08),0 2px 6px rgba(20,43,37,.04);
  --shadow-near:0 1px 2px rgba(20,43,37,.06),0 4px 10px rgba(20,43,37,.05);
  --shadow-badge:0 8px 20px rgba(20,43,37,.06),0 1px 2px rgba(20,43,37,.05);
  --shadow-cta:0 10px 24px rgba(19,128,94,.20);
  --shadow-tag:0 6px 14px rgba(201,138,43,.10);
  --shadow-seg:0 2px 6px rgba(11,79,60,.22);
  --wrap:1200px;
  --hero-wrap:1312px;
  --reading:800px;
  --gutter:40px;
  --space-section:96px;
  --ease:cubic-bezier(.2,.65,.3,1);
  --duration:200ms;
  --header-height:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:32px}
html.nav-open{overflow:hidden}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
[hidden]{display:none!important}
img,svg{max-width:100%;vertical-align:middle}
img{height:auto}
button,input,select,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:var(--c-clear)}
button{cursor:pointer}
a{color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:var(--radius-focus)}
h1,h2,h3{font-family:var(--font-display);font-weight:400;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(34px,3.3vw,48px);line-height:1.1}
h2{font-size:clamp(28px,2.6vw,36px);line-height:1.2}
h3{font-size:26px;line-height:1.3}
p{margin-top:0}
strong{font-weight:600}
code,kbd,pre{font-family:var(--font-mono)}
code{font-size:.88em;overflow-wrap:anywhere;white-space:normal}
pre{max-width:100%;min-width:0;overflow-x:auto;padding:24px;border-radius:var(--radius-field);background:var(--c-panel-2);color:var(--c-ink);line-height:1.75}
pre code{white-space:pre;overflow-wrap:normal}
hr{border:0;border-top:1px solid var(--c-border);margin-block:32px}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.reading{max-width:calc(var(--reading) + var(--gutter)*2)}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section-panel{background:var(--c-panel-2);color:var(--c-ink)}
.section-white{background:var(--c-bg);color:var(--c-ink)}
.section-heading{margin-top:0;margin-bottom:24px}
.eyebrow{margin:0;font-size:13px;letter-spacing:.08em;color:var(--c-accent)}
.muted{color:var(--c-muted)}
.mono{font-family:var(--font-mono)}
.keep{white-space:nowrap}
.hl{font-style:normal;color:var(--c-accent)}
.grid{display:grid;gap:28px}
.grid>*{min-width:0}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.flex-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.prose{min-width:0;line-height:1.85}
.prose :where(div,section,article){min-width:0}
.prose h2{margin-top:64px}
.prose h3{margin-top:36px}
.prose p{margin-bottom:20px}
.prose a,.text-link{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover,.text-link:hover{color:var(--c-cobalt)}
.prose li+li{margin-top:8px}
.skip{position:absolute;left:16px;top:-60px;z-index:100;padding:8px 14px;border-radius:var(--radius-pill);background:var(--c-ink);color:var(--c-bg);text-decoration:none;font-size:14px}
.skip:focus{top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 30px;border:1px solid var(--c-clear);border-radius:var(--radius-pill);font-family:var(--font-body);font-size:16px;font-weight:500;line-height:1.3;text-align:center;text-decoration:none;transition:background-color var(--duration),color var(--duration),border-color var(--duration)}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.btn-solid{background:var(--c-accent);color:var(--c-bg);box-shadow:var(--shadow-cta)}
.btn-solid:hover,.btn-solid.is-hover{background:var(--c-accent-dark);color:var(--c-bg)}
.btn-line{border-color:var(--c-ink);color:var(--c-ink);background:var(--c-clear)}
.btn-line:hover,.btn-line.is-hover{background:var(--c-panel-2);color:var(--c-ink)}
.btn:active,.btn.is-active{transform:translateY(1px);box-shadow:none}
.btn:disabled,.btn[aria-disabled="true"]{background:var(--c-panel-2);color:var(--c-muted);border-color:var(--c-border-strong);box-shadow:none;cursor:not-allowed}
.btn-small{min-height:44px;font-size:14px;padding:10px 22px}
.panel,.surface-card{padding:32px;border-radius:var(--radius-illus);background:var(--c-bg);color:var(--c-ink);box-shadow:var(--shadow-float)}
.reveal{opacity:1;transform:none}
html.reveal-ready .reveal:not(.shown){opacity:0;transform:translateY(18px)}
.reveal.shown{opacity:1;transform:none;transition:opacity .65s var(--ease),transform .65s var(--ease)}
.masthead,#site-header{position:relative;z-index:40;background:var(--c-bg);color:var(--c-ink)}
.masthead-row{max-width:min(100%,calc(1280px + var(--gutter)*2));margin:0 auto;padding-inline:var(--gutter);min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--c-ink);flex-shrink:0}
.brand-mark{width:36px;height:36px;display:block;flex-shrink:0}
.brand-name{font-family:var(--font-display);font-size:22px;font-weight:400;letter-spacing:-.01em;line-height:1}
.topnav{display:flex;align-items:center;min-width:0;margin-left:auto}
.topnav-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:0}
.topnav-list li{display:flex;align-items:center;flex-shrink:0}
.topnav-list li+li::before{content:"·";color:var(--c-muted);margin:0 13px;font-size:16px}
.topnav-list a{position:relative;display:inline-block;padding-block:6px;font-size:15px;color:var(--c-ink);text-decoration:none;white-space:nowrap}
.topnav-list a:hover{color:var(--c-accent)}
.topnav-list a[aria-current="page"]{color:var(--c-accent-dark)}
.topnav-list a[aria-current="page"]::after{content:"";position:absolute;inset-inline:0;bottom:0;height:1.5px;background:var(--c-accent);border-radius:var(--radius-small)}
.header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.language-control{position:relative}
.lang{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:6px 16px;border:1px solid var(--c-border);border-radius:var(--radius-pill);background:var(--c-bg);color:var(--c-ink);font-family:var(--font-body);font-size:14px;white-space:nowrap}
.lang:hover{border-color:var(--c-ink)}
.lang svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.4;flex-shrink:0}
.language-menu{position:absolute;right:0;top:calc(100% + 10px);width:188px;list-style:none;margin:0;padding:8px;border-radius:var(--radius-card);box-shadow:var(--shadow-float);background:var(--c-bg);color:var(--c-ink)}
.language-menu a{display:flex;align-items:center;min-height:44px;padding:10px 14px;text-decoration:none;border-radius:var(--radius-field)}
.language-menu a:hover,.language-menu a[aria-current="true"]{background:var(--c-panel-2);color:var(--c-accent-dark)}
.menu-toggle{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid var(--c-border);border-radius:var(--radius-pill);background:var(--c-bg);color:var(--c-ink)}
.menu-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5}
.mobile-drawer{display:none}
.nav-veil{position:fixed;inset:0;z-index:30;border:0;background:var(--c-veil);color:var(--c-ink)}
.site-footer{background:var(--c-panel-2);color:var(--c-ink);padding-top:64px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.15fr .8fr 1.2fr .7fr;gap:40px}
.footer-grid>*{min-width:0}
.footer-grid h2{font-family:var(--font-body);font-size:14px;font-weight:600;margin:0 0 18px}
.footer-description{margin-top:20px;max-width:300px;color:var(--c-muted);font-size:14px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{font-size:14px;text-decoration:none}
.footer-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--c-border-strong);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:13px;color:var(--c-muted)}
.footer-bottom p{margin:0}
/* Approved first-screen composition. Decorative layers remain clipped locally. */
.hero-panel{position:relative;height:clamp(700px,calc(100vh - 148px),820px);background:var(--c-panel);color:var(--c-ink);overflow:hidden;overflow-x:clip;display:flex;align-items:center;justify-content:center}
.hero-panel::before,.hero-panel::after{content:"";position:absolute;border-radius:var(--radius-circle);pointer-events:none;z-index:0}
.hero-panel::before{left:-160px;top:-200px;width:560px;height:560px;background:radial-gradient(closest-side,var(--c-accent),var(--c-clear));opacity:.06}
.hero-panel::after{right:-240px;bottom:-340px;width:980px;height:880px;background:radial-gradient(closest-side,var(--c-apricot),var(--c-clear));opacity:.4}
.hero-core{position:relative;z-index:5;width:560px;display:flex;flex-direction:column;align-items:center;text-align:center}
.badge{display:inline-flex;align-items:center;gap:10px;min-height:34px;padding:7px 16px 7px 13px;border-radius:var(--radius-pill);background:var(--c-bg);color:var(--c-ink);box-shadow:var(--shadow-badge);font-size:13px;line-height:1.4;letter-spacing:.01em;max-width:100%;overflow-wrap:anywhere}
.badge-dot{position:relative;width:8px;height:8px;border-radius:var(--radius-circle);background:var(--c-accent);flex-shrink:0}
.badge-dot::after{content:"";position:absolute;inset:-4px;border-radius:var(--radius-circle);background:var(--c-accent);opacity:.3;transform:scale(.8);animation:breathe 3.6s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(.8);opacity:.32}50%{transform:scale(1.65);opacity:.06}}
.hero-title{margin:28px 0 0;font-family:var(--font-display);font-weight:400;font-size:clamp(30px,1.6vw + 25px,48px);line-height:1.1;letter-spacing:-.01em;color:var(--c-ink)}
.hero-title .ln{display:block}
.cta-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px}
.lede{margin:26px 0 0;max-width:520px;font-size:16px;line-height:1.75;color:var(--c-muted)}
.lede strong{color:var(--c-ink);font-weight:600}
.platforms{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px;margin:26px 0 0;padding:0;list-style:none}
.platforms a{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 16px 0 6px;border-radius:var(--radius-pill);text-decoration:none;color:var(--c-ink);font-size:14px}
.platforms a:hover{background:var(--c-bg);color:var(--c-ink);box-shadow:var(--shadow-near)}
.plat-ico{display:grid;place-items:center;width:32px;height:32px;border-radius:var(--radius-circle);background:var(--c-bg);color:var(--c-ink);box-shadow:var(--shadow-near);flex-shrink:0}
.plat-ico svg{width:15px;height:15px;display:block;fill:currentColor}
.plat-ico .tux{width:14px;height:16px}
.stage{position:absolute;left:50%;top:50%;width:1440px;height:752px;margin:-376px 0 0 -720px;z-index:1;pointer-events:none}
.stage>*{position:absolute}
.illus{border-radius:var(--radius-illus);overflow:hidden;z-index:1}
.illus svg{display:block;width:100%;height:100%}
.illus-phone{left:-48px;top:272px;width:300px;height:276px;background:var(--c-mint);color:var(--c-ink)}
.illus-laptop{left:1180px;top:176px;width:300px;height:284px;background:var(--c-apricot-soft);color:var(--c-ink)}
.wires{left:0;top:0;width:1440px;height:752px;max-width:none;z-index:2;overflow:visible}
.wire{fill:none;stroke:var(--c-apricot-line);stroke-width:1.5;stroke-linecap:round}
.wire-end{fill:var(--c-panel);stroke:var(--c-apricot-line);stroke-width:1.5}
.card{z-index:3;background:var(--c-bg);color:var(--c-ink);border-radius:var(--radius-card);box-shadow:var(--shadow-float);display:flex;flex-direction:column;min-width:0}
.card-bar{display:flex;align-items:center;justify-content:space-between;flex-shrink:0;min-height:34px;padding:8px 16px;background:var(--c-panel-2);color:var(--c-muted);border-bottom:1px solid var(--c-border);border-radius:var(--radius-card) var(--radius-card) 0 0;font-size:11.5px;line-height:1;letter-spacing:.03em}
.card-body{flex:1;display:flex;flex-direction:column;padding:14px 18px 16px;min-width:0}
.card-sub{right:1096px;top:80px;width:248px;min-height:164px}
.card-core{left:1096px;top:92px;width:264px;min-height:108px}
.card-proxy{right:1120px;top:524px;width:264px;min-height:122px}
.card-sec{left:1120px;top:552px;width:260px;min-height:116px}
.field-label{font-size:11.5px;line-height:16px;color:var(--c-muted)}
.field{display:flex;align-items:center;gap:8px;height:34px;margin-top:6px;padding:0 12px;border:1px solid var(--c-border);border-radius:var(--radius-field);background:var(--c-bg);color:var(--c-muted)}
.field-pre{font-family:var(--font-mono);font-size:11px}
.field-bar{flex:1;height:6px;border-radius:var(--radius-small);background:var(--c-skel-soft)}
.mini-row{display:flex;gap:8px;margin-top:12px}
.mini{display:inline-flex;align-items:center;min-height:28px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;line-height:1.3}
.mini-solid{background:var(--c-accent);color:var(--c-bg)}
.mini-line{border:1px solid var(--c-border-strong);color:var(--c-ink)}
.card-core .card-body{justify-content:center;padding:12px 18px}
.seg{display:flex;padding:3px;border-radius:var(--radius-pill);background:var(--c-panel-2);color:var(--c-muted)}
.seg span{flex:1;min-height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-pill);font-family:var(--font-mono);font-size:12px;min-width:0}
.seg .on{background:var(--c-accent);color:var(--c-bg);box-shadow:var(--shadow-seg)}
.switch-row{display:flex;align-items:center;justify-content:space-between;min-height:20px;font-size:13px;line-height:1.4;gap:8px}
.switch{position:relative;width:36px;height:20px;border-radius:var(--radius-pill);background:var(--c-accent);flex-shrink:0}
.switch::after{content:"";position:absolute;top:2px;right:2px;width:16px;height:16px;border-radius:var(--radius-circle);background:var(--c-bg);box-shadow:var(--shadow-near)}
.hair{height:1px;background:var(--c-border);margin:10px 0}
.port-line{font-size:11.5px;line-height:16px;color:var(--c-muted)}
.trio{display:flex;gap:8px}
.trio-cell{display:flex;flex-direction:column;gap:6px}
.trio-label{font-size:11px;line-height:14px;color:var(--c-muted)}
.val{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border:1px solid var(--c-border-strong);border-radius:var(--radius-pill);font-family:var(--font-mono);font-size:11.5px;line-height:1;color:var(--c-ink)}
.tag{z-index:4;display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:8px 14px 8px 12px;border-radius:var(--radius-pill);background:var(--c-apricot);color:var(--c-ink);box-shadow:var(--shadow-tag);font-size:13px;line-height:1.3;max-width:100%;overflow-wrap:anywhere}
.tag svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.tag-sub{right:1084px;top:227px}
.tag-core{left:1084px;top:183px}
.tag-proxy{right:1092px;top:507px}
.tag-sec{left:1108px;top:535px}
.i-halo{fill:var(--c-bg);opacity:.6}
.i-device,.i-hand{fill:var(--c-bg);stroke:var(--c-ink);stroke-width:1.6;stroke-linejoin:round}
.i-screen{fill:var(--c-panel-2)}
.i-row{fill:var(--c-bg)}
.i-row-on{fill:var(--c-mint)}
.i-skel{fill:var(--c-skel)}
.i-skel-soft{fill:var(--c-skel-soft)}
.i-skel-strong{fill:var(--c-skel-strong)}
.i-on,.i-fab{fill:var(--c-accent)}
.i-fab-glyph{fill:none;stroke:var(--c-bg);stroke-width:1.8;stroke-linecap:round}
.i-sleeve{fill:var(--c-mint-deep);stroke:var(--c-ink);stroke-width:1.6;stroke-linejoin:round}
.i-line{fill:none;stroke:var(--c-ink);stroke-width:1.2;stroke-linecap:round}
.i-div{stroke:var(--c-border-strong);stroke-width:1}
.i-desk{stroke:var(--c-apricot-line);stroke-width:1.5}
.statusbar{background:var(--c-bg);color:var(--c-muted);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);font-family:var(--font-mono);font-size:12px;line-height:16px;letter-spacing:.02em}
.statusbar-row{max-width:var(--hero-wrap);margin:0 auto;padding-inline:40px;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.facts{display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none}
.facts li+li::before{content:"·";margin:0 12px;color:var(--c-muted)}
.facts li:first-child{color:var(--c-ink)}
.dwell{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.info-dot{width:6px;height:6px;border-radius:var(--radius-circle);background:var(--c-cobalt);flex-shrink:0}
.clock{color:var(--c-ink)}
@media(min-width:1280px){html.nav-open{overflow:auto}}
@media(max-width:1320px){.stage{transform:scale(.9)}}
@media(max-width:1279px){
  .topnav{display:none}
  .header-tools{margin-left:auto}
  .menu-toggle{display:inline-flex}
  .mobile-drawer:not([hidden]){display:block;position:absolute;top:100%;inset-inline:0;background:var(--c-bg);color:var(--c-ink);padding:16px var(--gutter) 24px;max-height:calc(100dvh - var(--header-height));overflow-y:auto;overscroll-behavior:contain;box-shadow:var(--shadow-float)}
  .mobile-drawer ul{list-style:none;margin:0;padding:0}
  .mobile-drawer a{display:flex;align-items:center;width:100%;min-height:44px;padding:12px 16px;text-decoration:none;border-radius:var(--radius-field)}
  .mobile-drawer a:hover,.mobile-drawer a[aria-current]{background:var(--c-panel-2);color:var(--c-accent-dark)}
  .drawer-languages{border-top:1px solid var(--c-border);margin-top:14px;padding-top:14px}
}
@media(max-width:1260px){.stage{transform:scale(.84)}}
@media(max-width:1180px){
  .hero-panel{height:auto;display:block;padding:72px 32px 64px}
  .hero-core{margin:0 auto}
  .stage{position:relative;left:auto;top:auto;width:auto;max-width:880px;height:auto;margin:56px auto 0;transform:none;display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:24px;align-items:center}
  .stage>*{position:relative;left:auto;right:auto;top:auto}
  .wires,.tag,.card-proxy,.card-sec,.illus-phone{display:none}
  .stage .card{width:auto;min-height:0}
  .card-core .card-body{padding:18px}
  .card-sub{order:1}
  .illus-laptop{order:2;width:auto;height:240px}
  .card-core{order:3}
}
@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:768px){
  h1{font-size:28px}
  :root{--gutter:24px;--space-section:64px}
}
@media(max-width:720px){
  :root{--header-height:68px}
  .masthead-row{padding-inline:20px;gap:12px}
  .brand-name{font-size:19px}
  .lang{min-height:34px;padding:6px 12px;font-size:13px}
  .hero-panel{padding:52px 20px 48px}
  .hero-core{width:100%}
  .hero-title{font-size:28px;margin-top:22px}
  .cta-row{margin-top:26px}
  .btn{min-height:48px;padding:12px 24px;font-size:15px}
  .lede{font-size:15px}
  .platforms{gap:4px}
  .platforms a{padding-right:12px}
  .stage{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:40px;align-items:stretch}
  .card-proxy,.card-sec{display:flex}
  .illus-laptop{display:none}
  .card-sub{order:1}.card-core{order:2}.card-proxy{order:3}.card-sec{order:4}
  .card-bar{padding:10px 12px}
  .card-body,.card-core .card-body{padding:12px}
  .mini-row{flex-wrap:wrap;gap:6px}
  .mini{padding:6px 10px;font-size:11px}
  .seg span{font-size:10.5px;min-height:28px;overflow-wrap:anywhere}
  .trio{flex-wrap:wrap;gap:6px}
  .switch-row{font-size:12px;min-height:0;gap:8px}
  .statusbar-row{flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;padding:10px 20px}
}
@media(max-width:640px){
  :root{--gutter:20px}
  .tilt,[data-tilt]{transform:none!important}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .panel,.surface-card{padding:24px}
  .footer-grid{gap:32px}
}
@media(max-width:380px){
  :root{--gutter:16px}
  .masthead-row{padding-inline:16px;gap:8px}
  .brand{gap:8px}
  .brand-name{font-size:17px}
  .brand-mark{width:30px;height:30px}
  .lang{padding-inline:9px}
  .header-tools{gap:6px}
  .hero-title{font-size:25px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.reveal-ready .reveal:not(.shown){opacity:1;transform:none}
}