/* rag-system.ai | static site styles */
@font-face {
  font-family: "Inter";
  src: url("fonts/inter-var.woff2") format("woff2-variations"), url("fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #0d1b2a;
  --ink-2: #33475b;
  --ink-3: #5c6f82;
  --paper: #f7f6f2;
  --card: #ffffff;
  --line: #e2dfd6;
  --accent: #0b6e63;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ee;
  --signal: #e8a33d;
  --dark: #0d1b2a;
  --dark-2: #15293e;
  --radius: 14px;
  --max: 1160px;
  --measure: 70ch;
  --shadow: 0 1px 2px rgba(13, 27, 42, .04), 0 8px 24px rgba(13, 27, 42, .06);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "ss01", "cv11";
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); letter-spacing: -0.03em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.2em; }
li { margin-bottom: .45em; }
strong { font-weight: 650; }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 246, 242, .92);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font-weight: 700; letter-spacing: -0.02em; font-size: 1.1rem; }
.logo svg { width: 30px; height: 30px; }
.logo span b { color: var(--accent); font-weight: 700; }
.nav { display: flex; align-items: center; gap: .25rem; }
.nav a { text-decoration: none; color: var(--ink-2); font-size: .95rem; font-weight: 500; padding: .5rem .75rem; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: rgba(13, 27, 42, .05); }
.nav .btn { margin-left: .5rem; }
.menu-toggle { display: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.3rem; border-radius: 10px;
  font-weight: 600; font-size: 1rem; text-decoration: none; line-height: 1.2;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #09594f; color: #fff; transform: translateY(-1px); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.nav .btn { padding: .55rem 1rem; font-size: .92rem; }
.nav .btn-primary, .nav .btn-primary:hover { color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* Hero */
.hero { padding: 84px 0 72px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero .lead { font-size: 1.22rem; color: var(--ink-2); max-width: 36em; }
.hero-proof { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin-top: 2rem; padding: 0; list-style: none; color: var(--ink-3); font-size: .92rem; }
.hero-proof li { display: inline-flex; align-items: center; gap: .45rem; margin: 0; }
.hero-proof li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* Answer card (hero visual) */
.answer-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); padding: 22px; font-size: .95rem;
}
.answer-card .q { display: flex; gap: .6rem; align-items: flex-start; background: var(--paper); border-radius: 10px; padding: 12px 14px; margin-bottom: 14px; color: var(--ink); font-weight: 550; }
.answer-card .q::before { content: "?"; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font-size: .8rem; display: grid; place-items: center; font-weight: 700; }
.answer-card .a { color: var(--ink-2); line-height: 1.6; }
.answer-card .a p { margin-bottom: .7em; }
.answer-card sup { font-family: "JetBrains Mono", monospace; font-size: .7rem; color: var(--accent); background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; margin-left: 2px; }
.sources { border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 12px; display: grid; gap: 6px; }
.source { display: flex; align-items: center; gap: .55rem; font-family: "JetBrains Mono", monospace; font-size: .74rem; color: var(--ink-3); }
.source i { font-style: normal; flex: none; width: 20px; height: 20px; border-radius: 5px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: .68rem; }
.card-label { font-family: "JetBrains Mono", monospace; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; display: flex; justify-content: space-between; }
.card-label .live { color: var(--accent); }

/* Sections */
section { padding: 88px 0; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head p { color: var(--ink-2); font-size: 1.12rem; }
.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dark { background: var(--dark); color: #e9eef3; }
.dark h2, .dark h3 { color: #fff; }
.dark p, .dark li { color: #b9c6d3; }
.dark .eyebrow { color: #6fd3c4; }
.dark a { color: #6fd3c4; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.alt .card { background: var(--paper); }
.card h3 { margin-bottom: .5em; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card .num { font-family: "JetBrains Mono", monospace; font-size: .8rem; color: var(--accent); margin-bottom: 14px; display: block; }
.card ul { margin: 0; padding-left: 1.1em; color: var(--ink-2); font-size: .98rem; }
.card-link { display: inline-block; margin-top: 1rem; font-weight: 600; text-decoration: none; }
.card-link::after { content: " \2192"; }
.dark .card { background: var(--dark-2); border-color: #243b53; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.compare > div { padding: 30px; }
.compare > div + div { border-left: 1px solid var(--line); background: var(--accent-soft); }
.compare h3 { display: flex; align-items: center; gap: .5rem; }
.compare ul { list-style: none; padding: 0; margin: 0; }
.compare li { padding-left: 1.6em; position: relative; }
.compare .no li::before { content: "\2715"; position: absolute; left: 0; color: #b4462f; font-weight: 700; }
.compare .yes li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

.use-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.use-case { border: 1px solid var(--line); border-radius: 12px; padding: 22px; background: var(--card); }
.use-case h3 { font-size: 1.05rem; margin-bottom: .35em; }
.use-case p { font-size: .96rem; color: var(--ink-2); margin: 0 0 .7em; }
.use-case .ex { font-family: "JetBrains Mono", monospace; font-size: .76rem; color: var(--ink-3); background: var(--paper); border-radius: 6px; padding: 8px 10px; margin: 0; line-height: 1.5; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; position: relative; padding-top: 56px; margin: 0; }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; top: 0; left: 0; font-family: "JetBrains Mono", monospace; font-size: .85rem; width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid currentColor; display: grid; place-items: center; color: #6fd3c4; }
.steps li::after { content: ""; position: absolute; top: 20px; left: 52px; right: -8px; height: 1px; background: #2b4561; }
.steps li:last-child::after { display: none; }
.steps h3 { font-size: 1.1rem; }
.steps p { font-size: .97rem; margin: 0; }
.steps .meta { display: block; font-family: "JetBrains Mono", monospace; font-size: .74rem; color: #6fd3c4; margin-bottom: .5rem; letter-spacing: .03em; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 14px 0 14px 34px; border-bottom: 1px solid var(--line); position: relative; margin: 0; }
.checklist li:first-child { border-top: 1px solid var(--line); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 18px; width: 20px; height: 20px; border-radius: 6px; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230b6e63' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }
.checklist strong { display: block; }
.checklist span { color: var(--ink-2); font-size: .97rem; }
.dark .checklist li { border-color: #243b53; }
.dark .checklist strong { color: #fff; }
.dark .checklist span { color: #b9c6d3; }

.stat-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 8px; }
.stat-band div { border-top: 2px solid var(--ink); padding-top: 14px; }
.stat-band b { display: block; font-size: 1.6rem; letter-spacing: -0.03em; }
.stat-band span { color: var(--ink-2); font-size: .95rem; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 600; font-size: 1.08rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.6rem; font-weight: 300; color: var(--accent); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 18px; color: var(--ink-2); max-width: var(--measure); }

/* CTA */
.cta { background: var(--accent); color: #fff; border-radius: 22px; padding: 56px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.cta h2 { color: #fff; margin-bottom: .4em; }
.cta p { color: #d7efeb; margin: 0; font-size: 1.1rem; }
.cta .btn-light { background: #fff; color: var(--accent); }
.cta .btn-light:hover { background: var(--ink); color: #fff; }
.cta .btn-outline-light { border-color: rgba(255,255,255,.6); color: #fff; }
.cta .btn-outline-light:hover { background: rgba(255,255,255,.12); color: #fff; }
.cta .btn-row { margin-top: 0; justify-content: flex-end; }
.cta-section { padding: 40px 0 96px; }

/* Article pages */
.page-hero { padding: 64px 0 40px; }
.page-hero .lead { font-size: 1.2rem; color: var(--ink-2); max-width: 40em; }
.crumbs { font-size: .85rem; color: var(--ink-3); margin-bottom: 1.4rem; }
.crumbs a { color: var(--ink-3); }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 64px; padding: 24px 0 80px; }
.toc { position: sticky; top: 96px; align-self: start; font-size: .9rem; }
.toc p { font-family: "JetBrains Mono", monospace; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-bottom: .8rem; }
.toc ol { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--line); }
.toc li { margin: 0; }
.toc a { display: block; padding: 6px 0 6px 14px; color: var(--ink-2); text-decoration: none; margin-left: -1px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--ink); border-left-color: var(--accent); }
.prose { max-width: var(--measure); }
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 1.95rem); margin-top: 2.2em; scroll-margin-top: 96px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose li { color: #22364a; }
.prose .callout { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 18px 22px; border-radius: 0 10px 10px 0; margin: 1.8em 0; }
.prose .callout p:last-child { margin: 0; }
.prose figure { margin: 2em 0; }
.prose figcaption { font-size: .88rem; color: var(--ink-3); margin-top: .7rem; }
.meta-line { font-size: .88rem; color: var(--ink-3); margin-top: 1rem; }

table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 1.5em 0; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 650; background: var(--card); }
thead th { border-bottom: 2px solid var(--ink); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.diagram { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-item { display: block; text-decoration: none; color: var(--ink); }
.contact-item small { display: block; font-family: "JetBrains Mono", monospace; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-bottom: .4rem; }
.contact-item b { font-size: 1.3rem; letter-spacing: -0.02em; }

/* Contact page */
.next-steps { list-style: none; counter-reset: ns; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0; margin: 0 0 40px; }
.next-steps li { counter-increment: ns; margin: 0; padding: 20px 20px 20px 64px; position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.next-steps li::before { content: counter(ns); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .9rem; }
.next-steps b { display: block; margin-bottom: .2rem; }
.next-steps span { color: var(--ink-2); font-size: .95rem; line-height: 1.5; display: block; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 32px; align-items: start; padding-bottom: 96px; }
.contact-form { padding: 32px; display: grid; gap: 20px; }
.field { display: grid; gap: 6px; margin: 0; border: 0; padding: 0; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field label, .field legend { font-weight: 600; font-size: .95rem; padding: 0; }
.field em { font-style: normal; font-weight: 500; font-size: .78rem; color: var(--ink-3); margin-left: .35rem; }
.field .opt { font-weight: 400; color: var(--ink-3); font-size: .88rem; }
.field input[type=text], .field input[type=email], .field input[type=tel], .field select, .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: .75rem .9rem; transition: border-color .15s, background .15s;
}
.field textarea { resize: vertical; min-height: 150px; line-height: 1.55; }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2333475b' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .9rem center; background-size: 12px; padding-right: 2.4rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px var(--accent-soft); }
.field.invalid input, .field.invalid textarea { border-color: #b4462f; background: #fdf3f0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-block; padding: .45rem .8rem; border: 1.5px solid var(--line); border-radius: 999px; font-size: .9rem; color: var(--ink-2); background: var(--paper); transition: all .15s; }
.chip input:checked + span { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.chip input:focus-visible + span { outline: 3px solid var(--signal); outline-offset: 2px; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { font-size: .88rem; color: var(--ink-3); margin: 0; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form-actions .btn { min-width: 200px; }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }
.form-status { margin: 0; font-size: .95rem; }
.form-status.err { color: #b4462f; }
.sent h2 { margin-bottom: .4em; }
.sent p { color: var(--ink-2); }
.contact-side { display: grid; gap: 0; position: sticky; top: 96px; }
.side-block { padding: 20px 0; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.side-block:first-child { padding-top: 4px; }
.side-block:last-child { border-bottom: 0; }
.side-block small { font-family: "JetBrains Mono", monospace; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.side-block a { font-size: 1.2rem; font-weight: 650; letter-spacing: -0.01em; text-decoration: none; color: var(--ink); word-break: break-word; }
.side-block a:hover { color: var(--accent); }
.side-block span { color: var(--ink-2); font-size: .95rem; }
.side-block .addr { color: var(--ink); font-weight: 600; }
.mini-list { margin: 4px 0 0; padding-left: 1.1em; color: var(--ink-2); font-size: .94rem; }
.mini-list li { margin-bottom: .3em; }

/* Footer */
.site-footer { background: var(--dark); color: #9fb1c3; padding: 64px 0 32px; font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: .8rem; font-family: "JetBrains Mono", monospace; font-weight: 500; text-transform: uppercase; letter-spacing: .07em; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer a { color: #cfdae5; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer .logo { color: #fff; margin-bottom: 1rem; }
.footer-bottom { border-top: 1px solid #243b53; margin-top: 48px; padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .85rem; }

.legal h2 { font-size: 1.35rem; margin-top: 2em; }
.legal h3 { font-size: 1.08rem; margin-top: 1.5em; }

/* Responsive */
@media (max-width: 1000px) {
  .hero-grid, .split, .cta { grid-template-columns: 1fr; }
  .grid-3, .use-cases { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .steps li:nth-child(2)::after { display: none; }
  .article-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .toc { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta .btn-row { justify-content: flex-start; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-side { position: static; }
  .next-steps { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .menu-toggle { display: inline-flex; background: none; border: 1.5px solid var(--ink); border-radius: 8px; padding: .45rem .7rem; font: inherit; font-weight: 600; font-size: .9rem; color: var(--ink); cursor: pointer; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 12px 16px 20px; }
  .nav.open { display: flex; }
  .nav a { padding: .8rem .5rem; font-size: 1.05rem; }
  .nav .btn { margin: .5rem 0 0; padding: .85rem; }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 48px 0 56px; }
  .grid-2, .grid-3, .use-cases, .steps, .contact-grid, .stat-band, .compare { grid-template-columns: 1fr; }
  .compare > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .steps li::after { display: none; }
  .card, .compare > div { padding: 22px; }
  .cta { padding: 32px 22px; border-radius: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-row .btn { width: 100%; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 22px; }
  .form-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }