/* digilemon — site.css
   原則：logo 一律使用官方路徑，不在其中央或旁邊加字、不改形不改色；其餘安靜、有紀律。 */

:root {
  --paper: #F4F6F8;
  --surface: #FFFFFF;
  --ink: #172033;
  --slate: #5A6478;
  --line: #D5DCE4;
  --crimson: #C8244A;
  --crimson-text: #A11B3B;
  --crimson-wash: #F9E7EC;
  --band: #172033;
  --band-ink: #E9EDF3;
  --band-slate: #A3AEC2;
  --band-line: #2C3851;
  --focus: #1F5FD1;
  --brand: #C8244A;
  --seg-1: #C8244A;
  --seg-2: #D9637F;
  --seg-3: #E89BAE;
  --seg-4: #C9D1DB;
  --btn: #C8244A;
  --btn-hover: #A81C3D;

  --zh: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --en: "Saira", "Noto Sans TC", system-ui, sans-serif;

  --wrap: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --step--1: 0.875rem;
  --step-0: 1.0625rem;   /* 17px 本文 */
  --step-1: 1.25rem;
  --step-2: 1.5625rem;
  --step-3: clamp(1.75rem, 1.2rem + 1.6vw, 2.375rem);
  --step-4: clamp(2.125rem, 1.25rem + 3vw, 3.5rem);
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0F1626;
    --surface: #162036;
    --ink: #E7ECF3;
    --slate: #9AA6BA;
    --line: #26324A;
    --crimson: #F0567A;
    --crimson-text: #F47A97;
    --crimson-wash: #2A1A2A;
    --band: #0A101D;
    --band-ink: #E7ECF3;
    --band-slate: #9AA6BA;
    --band-line: #222D44;
    --focus: #7FB0FF;
    --seg-1: #F0567A;
    --seg-2: #C9607F;
    --seg-3: #9C4A68;
    --seg-4: #56627C;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--zh);
  font-size: var(--step-0);
  line-height: 1.85;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p, h1, h2, h3, ul, dl, dd, figure { margin: 0; }
p, li, dd { text-wrap: pretty; }
.svc-desc, .svc-intro, .work-intro, .facet p, .contact-copy p, .ow-body p, .about-body, .clients-statement { text-wrap: balance; }
ul { padding: 0; list-style: none; }
[lang="en"] { font-family: var(--en); }
[hidden] { display: none !important; }
.nw { white-space: nowrap; }

.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  padding: 10px 16px; background: var(--ink); color: var(--paper);
  border-radius: 6px; text-decoration: none; transition: top .2s;
}
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }

.sub {
  font-family: var(--en);
  font-weight: 500;
  font-size: var(--step--1);
  letter-spacing: .02em;
  color: var(--slate);
  line-height: 1.5;
}

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-head.is-scrolled { border-bottom-color: var(--line); }
.head-row { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 34px; height: 34px; }
.brand-word { width: 112px; height: 25px; fill: currentColor; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  text-decoration: none; font-size: .975rem; font-weight: 500;
  padding: 8px 14px; border-radius: 999px; color: var(--ink);
  transition: background-color .2s, color .2s;
}
.nav a:hover { background: color-mix(in srgb, var(--ink) 7%, transparent); }
.nav .nav-cta { background: var(--ink); color: var(--paper); margin-left: 6px; }
.nav .nav-cta:hover { background: var(--crimson); color: #fff; }

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .head-row { height: 64px; }
  .js .nav-toggle {
    display: grid; place-items: center; width: 44px; height: 44px;
    border: 0; background: transparent; color: var(--ink); cursor: pointer; border-radius: 10px;
  }
  .nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
    display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px;
    transition: transform .25s var(--ease), opacity .2s;
  }
  .nav-toggle-bars { position: relative; }
  .nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-bars::before { top: -7px; }
  .nav-toggle-bars::after { top: 7px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }

  .nav { flex-wrap: wrap; gap: 2px; }
  .nav a { padding: 6px 10px; font-size: .9375rem; }
  .js .nav {
    position: absolute; left: 0; right: 0; top: 64px;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--gutter) 20px;
    background: var(--paper); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: transform .25s var(--ease), opacity .2s, visibility .25s;
  }
  .js .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .js .nav a { padding: 14px 4px; border-radius: 0; font-size: 1.0625rem; border-bottom: 1px solid var(--line); }
  .js .nav a:hover { background: transparent; color: var(--crimson-text); }
  .js .nav .nav-cta { margin: 14px 0 0; text-align: center; border-radius: 999px; border: 0; padding: 13px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 50px; padding: 0 26px; border-radius: 999px;
  font: inherit; font-weight: 700; font-size: 1rem; letter-spacing: .04em;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--btn); color: #fff; }
.btn-primary:hover { background: var(--btn-hover); }
.btn-quiet { color: var(--ink); border-color: color-mix(in srgb, var(--ink) 22%, transparent); }
.btn-quiet:hover { border-color: var(--ink); }
.btn-wide { width: 100%; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(36px, 7vw, 96px) clamp(56px, 8vw, 120px); overflow: clip; }
.hero-grid {
  display: grid; align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 72px);
}
.hero-kicker { font-weight: 500; color: var(--slate); font-size: 1rem; margin-bottom: 22px; }
.hero h1 .ln { display: inline-block; }
.hero h1 {
  font-size: var(--step-4);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: .01em;
  text-wrap: balance;
}
.lead { margin-top: 26px; font-size: var(--step-1); line-height: 1.8; color: var(--slate); max-width: 31em; text-wrap: balance; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.proof { display: flex; flex-wrap: wrap; gap: 0; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); }
.proof > div { display: flex; flex-direction: column-reverse; gap: 2px; padding-right: 28px; margin-right: 28px; border-right: 1px solid var(--line); }
.proof > div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.proof dt { font-size: .875rem; color: var(--slate); }
.proof dd { font-size: .9375rem; font-weight: 500; }
.proof-num { font-family: var(--en); font-weight: 500; font-size: 2.25rem; line-height: 1.1; letter-spacing: -.01em; margin-right: 2px; color: var(--ink); }
@media (max-width: 420px) { .proof > div { padding-right: 18px; margin-right: 18px; } .proof-num { font-size: 1.875rem; } }

/* 標誌：依原版比例幾何重建，不加任何文字或改動；進場逐線畫出，結束時即為完整 logo */
.hero-mark { margin: 0; display: grid; place-items: center; padding: clamp(8px, 3vw, 40px); }
.mark-svg { width: min(100%, 500px); height: auto; aspect-ratio: 1; overflow: visible; }
.mark-svg .rv { fill: none; stroke: var(--brand); stroke-width: 37; stroke-linejoin: round; }

.js .hero-mark .rv { stroke-dasharray: 1; stroke-dashoffset: 1; }
.js .hero-mark.is-drawn .rv-frame { animation: draw 1.2s var(--ease) .15s forwards; }
.js .hero-mark.is-drawn .rv-core  { animation: draw .9s var(--ease) .9s forwards; }
.js .hero-mark.is-drawn .rv-a1 { animation: draw .5s var(--ease) 1.45s forwards; }
.js .hero-mark.is-drawn .rv-a2 { animation: draw .5s var(--ease) 1.6s forwards; }
.js .hero-mark.is-drawn .rv-a3 { animation: draw .5s var(--ease) 1.75s forwards; }
.js .hero-mark.is-drawn .rv-a4 { animation: draw .5s var(--ease) 1.9s forwards; }
.js .hero-mark.is-settled .rv { animation: none; stroke-dasharray: none; stroke-dashoffset: 0; }
@keyframes draw { to { stroke-dashoffset: 0; } }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { padding: 8px 0 0; justify-items: start; }
  .mark-svg { width: min(56vw, 300px); }
}

/* ---------- 客戶實績 ---------- */
.clients { padding-block: clamp(72px, 10vw, 140px); border-top: 1px solid var(--line); }
.clients h2 { font-size: var(--step-3); line-height: 1.35; font-weight: 700; letter-spacing: .01em; }
.clients-top { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 16px clamp(32px, 6vw, 96px); align-items: start; }
.clients-top .sub { margin-top: 6px; }
.clients-statement { font-size: var(--step-3); line-height: 1.45; font-weight: 500; letter-spacing: .01em; max-width: 22em; }

/* 依上市櫃進程分類的比例條：越接近上市，顏色越飽和 */
.portfolio { margin: clamp(48px, 7vw, 80px) 0 0; }
.pf-bar { display: flex; gap: 3px; height: 18px; }
.seg { display: block; border-radius: 3px; }
.seg-listed { flex: 8; background: var(--seg-1); }
.seg-pre    { flex: 8; background: var(--seg-2); }
.seg-ipo    { flex: 3; background: var(--seg-3); }
.seg-other  { flex: 19; background: var(--seg-4); }
.pf-legend { margin-top: 22px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.pf-item { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 6px; padding: 4px 20px 4px 0; }
.pf-item + .pf-item { padding-left: 20px; border-left: 1px solid var(--line); }
.pf-item dt { font-size: .9375rem; color: var(--slate); display: flex; align-items: center; gap: 8px; }
.pf-item dt::before { content: ""; width: 10px; height: 10px; border-radius: 2px; flex: none; }
.pf-listed dt::before { background: var(--seg-1); }
.pf-pre dt::before { background: var(--seg-2); }
.pf-ipo dt::before { background: var(--seg-3); }
.pf-other dt::before { background: var(--seg-4); }
.pf-item dd { font-size: 1.0625rem; font-weight: 500; }
.pf-num { font-family: var(--en); font-weight: 500; font-size: clamp(2.5rem, 1.8rem + 2.2vw, 3.75rem); line-height: 1; letter-spacing: -.02em; margin-right: 4px; }
.pf-cap { margin-top: 18px; font-size: .875rem; color: var(--slate); }

/* OneWorld */
.ow {
  margin-top: clamp(56px, 8vw, 96px);
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 24px clamp(32px, 6vw, 96px);
  padding-top: 32px; border-top: 2px solid var(--ink);
}
.ow h3 { font-size: var(--step-2); line-height: 1.4; font-weight: 700; }
.ow-total { margin-top: 14px; display: flex; align-items: baseline; gap: 10px; }
.ow-num { font-family: var(--en); font-weight: 500; font-size: clamp(4.5rem, 3rem + 5vw, 7.5rem); line-height: .85; letter-spacing: -.03em; color: var(--brand); }
.ow-unit { font-weight: 700; font-size: var(--step-1); }
.ow-body p { max-width: 36em; }
.regions { margin-top: 26px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.regions > div { padding: 16px 16px 4px 0; display: flex; flex-direction: column; gap: 2px; }
.regions > div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.regions dt { font-weight: 700; font-size: 1.0625rem; }
.regions dd { color: var(--slate); font-size: .9375rem; }
.regions dd [lang="en"] { font-weight: 600; color: var(--ink); }

/* 產業 */
.industries { margin-top: clamp(56px, 8vw, 96px); display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 16px clamp(32px, 6vw, 96px); }
.industries h3 { font-size: var(--step-2); line-height: 1.4; font-weight: 700; }
.ind-list { display: flex; flex-wrap: wrap; gap: 10px; }
.ind-list li { padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: .9688rem; }

@media (max-width: 960px) {
  .clients-top, .ow, .industries { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .pf-legend { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .pf-item:nth-child(3) { padding-left: 0; border-left: 0; }
  .regions { grid-template-columns: 1fr 1fr; }
  .regions > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .regions > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- Services ---------- */
.services { background: var(--surface); padding-block: clamp(64px, 9vw, 128px); border-block: 1px solid var(--line); }
.svc-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); }
.svc-aside { position: relative; }
.svc-aside h2, .about h2, .contact h2 { font-size: var(--step-3); line-height: 1.35; font-weight: 700; letter-spacing: .01em; }
.svc-aside .sub { margin-top: 6px; }
.svc-intro { margin-top: 22px; color: var(--slate); max-width: 26em; }

.svc-index { position: sticky; top: 112px; margin-top: 44px; display: grid; border-left: 1px solid var(--line); }
.svc-index a {
  position: relative; display: block; padding: 11px 0 11px 22px;
  text-decoration: none; color: var(--slate); font-weight: 500; font-size: 1rem; line-height: 1.5;
  transition: color .25s;
}
.svc-index a::before {
  content: ""; position: absolute; left: -1px; top: 10px; bottom: 10px; width: 2px;
  background: var(--brand); transform: scaleY(0); transform-origin: center; transition: transform .3s var(--ease);
}
.svc-index a:hover { color: var(--ink); }
.svc-index a.is-on { color: var(--ink); font-weight: 700; }
.svc-index a.is-on::before { transform: scaleY(1); }

.svc { padding-block: 40px; border-top: 1px solid var(--line); scroll-margin-top: 96px; outline: none; }
.svc:first-child { border-top: 0; padding-top: 4px; }
.svc-head h3 { font-size: var(--step-2); line-height: 1.4; font-weight: 700; transition: color .25s; }
.svc-head .sub { margin-top: 2px; }
.svc-desc { margin-top: 16px; max-width: 36em; }
.svc-points { margin-top: 18px; display: grid; gap: 10px; }
.svc-points li { position: relative; padding-left: 26px; color: var(--ink); }
/* 列點符號取自 logo：小菱形 */
.svc-points li::before {
  content: ""; position: absolute; left: 4px; top: .78em;
  width: 8px; height: 8px; border: 1.75px solid var(--crimson); transform: rotate(45deg);
}

@media (max-width: 960px) {
  .svc-grid { grid-template-columns: 1fr; }
  .svc-index { display: none; }
}

/* ---------- About（深色帶） ---------- */
.about { background: var(--band); color: var(--band-ink); padding-block: clamp(72px, 10vw, 140px); }
.about .sub { color: var(--band-slate); margin-top: 6px; }
.about-top { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.about-statement {
  font-size: var(--step-3); line-height: 1.45; font-weight: 500; letter-spacing: .01em;
  text-wrap: balance;
}
.about-body { margin-top: 28px; max-width: 40em; color: var(--band-slate); }

.facets {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--band-line);
}
.facet { padding: 28px 28px 8px 0; }
.facet + .facet { padding-left: 28px; border-left: 1px solid var(--band-line); }
.facet h3 { font-size: var(--step-1); font-weight: 700; display: flex; align-items: center; gap: 10px; }
.facet h3::before { content: ""; width: 9px; height: 9px; border: 2px solid var(--crimson); transform: rotate(45deg); flex: none; }
.facet p { margin-top: 10px; color: var(--band-slate); font-size: 1rem; line-height: 1.85; }


@media (max-width: 960px) {
  .about-top { grid-template-columns: 1fr; }
  .facets { grid-template-columns: 1fr; border-top: 0; }
  .facet, .facet + .facet { padding: 24px 0 4px; border-left: 0; border-top: 1px solid var(--band-line); }
}


/* ---------- Services: 方法步驟與標籤 ---------- */
.steps {
  margin-top: 22px; counter-reset: step;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  list-style: none; padding: 0;
}
.steps li { counter-increment: step; padding: 16px 18px; display: grid; gap: 4px; background: var(--paper); }
.steps li + li { border-left: 1px solid var(--line); }
.step-name { font-weight: 700; font-size: 1rem; display: flex; align-items: baseline; gap: 8px; }
.step-name::before { content: counter(step); font-family: var(--en); font-weight: 600; color: var(--crimson-text); font-size: .9375rem; }
.step-note { font-size: .875rem; color: var(--slate); line-height: 1.6; }
@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .steps li + li { border-left: 0; border-top: 1px solid var(--line); }
}

.chips-group { margin-top: 20px; display: grid; grid-template-columns: auto 1fr; gap: 14px 20px; align-items: start; }
.chips-group dt { font-size: .9375rem; color: var(--slate); padding-top: 5px; white-space: nowrap; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: .9375rem; line-height: 1.5; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); }
@media (max-width: 560px) { .chips-group { grid-template-columns: 1fr; gap: 8px; } .chips-group dd + dt { margin-top: 8px; } }

/* ---------- 開發實績 ---------- */
.work { padding-block: clamp(72px, 10vw, 140px); }
.work-top { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: end; }
.work h2 { font-size: var(--step-3); line-height: 1.35; font-weight: 700; letter-spacing: .01em; }
.work-top .sub { margin-top: 6px; }
.work-intro { color: var(--slate); max-width: 36em; }

.lib { margin-top: clamp(40px, 6vw, 72px); display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); border-top: 2px solid var(--ink); padding-top: 28px; }
.lib-total { display: flex; align-items: baseline; gap: 10px; }
.lib-num { font-family: var(--en); font-weight: 500; font-size: clamp(5rem, 3rem + 8vw, 10rem); line-height: .82; letter-spacing: -.03em; color: var(--crimson); }
.lib-unit { font-weight: 700; font-size: var(--step-1); }
.lib-groups { columns: 2 260px; column-gap: 40px; }
.lib-group { break-inside: avoid; padding-bottom: 26px; }
.lib-group h3 { font-size: 1rem; font-weight: 700; display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.lib-group ul { margin-top: 10px; display: grid; gap: 6px; }
.lib-group li { font-size: 1rem; line-height: 1.6; }
@media (max-width: 960px) {
  .work-top, .lib { grid-template-columns: 1fr; }
}


/* ---------- About: 數字與產業 ---------- */
.facts {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--band-line); border-bottom: 1px solid var(--band-line);
}
.fact { padding: 26px 24px 28px 0; display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 6px; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--band-line); }
.fact dt { color: var(--band-slate); font-size: .9375rem; }
.fact dd { font-size: 1.0625rem; }
.fact-num { font-family: var(--en); font-weight: 500; font-size: clamp(2.75rem, 2rem + 2.4vw, 4rem); line-height: 1; letter-spacing: -.02em; margin-right: 4px; }
@media (max-width: 560px) {
  .fact { padding-right: 12px; }
  .fact + .fact { padding-left: 14px; }
  .fact-num { font-size: 2.5rem; }
}


/* ---------- Contact ---------- */
.contact { padding-block: clamp(72px, 10vw, 140px); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.contact-copy .sub { margin-top: 6px; }
.contact-copy p:not(.sub) { margin-top: 20px; max-width: 26em; }
.contact-note { color: var(--slate); font-size: .9375rem; }

.form { display: grid; gap: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: clamp(22px, 4vw, 40px); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.field { display: grid; gap: 8px; align-content: start; }
.field label { font-weight: 500; font-size: .975rem; }
.opt { font-weight: 400; color: var(--slate); font-size: .875rem; margin-left: .3em; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1.5px solid var(--line); border-radius: 10px;
  padding: 12px 14px; transition: border-color .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 140px; line-height: 1.7; }
.field input:hover, .field textarea:hover { border-color: color-mix(in srgb, var(--ink) 30%, transparent); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--focus); background: var(--surface); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.field [aria-invalid="true"] { border-color: var(--crimson); }
.err { color: var(--crimson-text); font-size: .875rem; line-height: 1.5; }
.form-status { font-size: .9375rem; color: var(--slate); min-height: 1.5em; }

@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding-block: 36px 44px; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.foot-logo { width: 132px; height: 42px; fill: var(--ink); }
.foot-name { color: var(--slate); font-size: .9375rem; }
.foot-copy { margin-left: auto; color: var(--slate); font-size: .875rem; font-family: var(--en); }
@media (max-width: 560px) { .foot-copy { margin-left: 0; width: 100%; } }

/* ---------- 404 ---------- */
.nf { min-height: 70vh; display: grid; place-items: center; text-align: center; padding-block: 80px; }
.nf-mark { width: 88px; height: 88px; margin: 0 auto 32px; }
.nf h1 { font-size: var(--step-3); }
.nf p { margin-top: 12px; color: var(--slate); }
.nf .btn { margin-top: 28px; }

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; }
}

/* ---------- Print ---------- */
@media print {
  .site-head, .nav-toggle, .form, .svc-index { display: none; }
  .about { background: none; color: #000; }
  body { background: #fff; color: #000; }
}