:root {
    --ink: #10131a;
    --ink-soft: #343946;
    --muted: #687080;
    --paper: #f5f4ef;
    --surface: #ffffff;
    --surface-dark: #161a23;
    --line: #d9dce3;
    --line-dark: rgba(255, 255, 255, 0.14);
    --signal: #3457ff;
    --signal-dark: #223fd1;
    --accent: #ff6b35;
    --success: #0d7c66;
    --danger: #bd2c2c;
    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 28px;
    --shadow: 0 22px 60px rgba(16, 19, 26, 0.09);
    --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
::selection { color: #fff; background: var(--signal); }

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 12px;
    left: 12px;
    transform: translateY(-150%);
    padding: 10px 14px;
    color: #fff;
    background: var(--ink);
    border-radius: 8px;
}
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 18px;
    color: var(--signal);
    font: 750 0.76rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.eyebrow::before { width: 24px; height: 2px; content: ""; background: currentColor; }
.section-kicker { max-width: 720px; margin: 0; color: var(--muted); font-size: 1.06rem; }
.section-heading {
    max-width: 820px;
    margin: 0 0 18px;
    font-size: clamp(2rem, 4.3vw, 3.9rem);
    line-height: 1.04;
    letter-spacing: -0.055em;
}
.section-intro { margin-bottom: 48px; }

.site-header {
    position: sticky;
    z-index: 100;
    top: 0;
    border-bottom: 1px solid rgba(16, 19, 26, 0.1);
    background: rgba(245, 244, 239, 0.94);
    backdrop-filter: blur(16px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; text-decoration: none; }
.brand-logo { width: 176px; height: auto; }
.site-footer .brand-logo { width: 184px; }
.site-nav { display: flex; align-items: center; gap: 5px; }
.site-nav a {
    padding: 10px 12px;
    color: var(--ink-soft);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 680;
    text-decoration: none;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--signal); background: #e9ebff; }
.site-nav .nav-cta { margin-left: 8px; color: #fff; background: var(--ink); }
.site-nav .nav-cta:hover { color: #fff; background: var(--signal); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 19px;
    border: 1px solid var(--ink);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 760;
    text-decoration: none;
    transition: transform .18s, background .18s, color .18s, box-shadow .18s;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(16,19,26,.12); }
.button-primary { color: #fff; background: var(--ink); }
.button-primary:hover { border-color: var(--signal); background: var(--signal); }
.button-secondary { background: transparent; }
.button-secondary:hover { color: var(--signal); border-color: var(--signal); }
.button-light { color: var(--ink); background: #fff; border-color: #fff; }
.button-dark-outline { color: #fff; border-color: #596274; }
.button-dark-outline:hover { color: #fff; border-color: #9eabff; }
.button-on-signal { color: #fff; border-color: rgba(255,255,255,.62); }
.button-on-signal:hover { color: var(--signal); background: #fff; border-color: #fff; }
.text-link { color: var(--signal); font-weight: 760; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.home-hero { padding: clamp(72px, 10vw, 132px) 0 76px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr); align-items: center; gap: clamp(48px, 7vw, 96px); }
.hero-title {
    max-width: 790px;
    margin: 0;
    font-size: clamp(3.1rem, 7vw, 6.7rem);
    line-height: .91;
    letter-spacing: -0.075em;
}
.hero-title .outline { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.hero-lead { max-width: 690px; margin: 28px 0 0; color: var(--ink-soft); font-size: clamp(1.06rem, 1.7vw, 1.28rem); }
.availability { display: inline-flex; align-items: center; gap: 9px; margin-top: 32px; color: var(--muted); font-size: .82rem; font-weight: 650; }
.availability-dot { width: 9px; height: 9px; background: var(--success); border-radius: 50%; box-shadow: 0 0 0 5px rgba(13,124,102,.12); }
.dev-card { overflow: hidden; color: #eff2f8; background: var(--surface-dark); border: 1px solid #242b39; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.dev-card-bar { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; color: #949bab; border-bottom: 1px solid var(--line-dark); font: 600 .72rem/1 ui-monospace, monospace; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 7px; height: 7px; background: #3a4252; border-radius: 50%; }
.dev-card-body { padding: 28px; }
.code-line { display: grid; grid-template-columns: 24px 1fr; gap: 16px; margin: 0 0 15px; color: #d9dfeb; font: 500 .82rem/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; }
.line-no { color: #596274; user-select: none; }
.code-key { color: #8c9cff; }
.code-value { color: #a9df79; }
.code-string { color: #f6a976; }
.dev-card-foot { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); }
.dev-stat { padding: 18px 12px; text-align: center; border-right: 1px solid var(--line-dark); }
.dev-stat:last-child { border-right: 0; }
.dev-stat strong { display: block; color: #fff; font-size: 1.05rem; }
.dev-stat span { display: block; margin-top: 4px; color: #8991a1; font-size: .65rem; text-transform: uppercase; letter-spacing: .08em; }

.trust-strip { color: #fff; background: var(--signal); }
.trust-inner { display: grid; grid-template-columns: 1.25fr repeat(4, auto); align-items: center; gap: 25px; min-height: 92px; }
.trust-label { margin: 0; font-size: .8rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.trust-item { color: rgba(255,255,255,.82); font: 650 .78rem/1.2 ui-monospace, monospace; }

.section { padding: clamp(76px, 9vw, 118px) 0; }
.section-white { background: var(--surface); }
.section-dark { color: #fff; background: var(--surface-dark); }
.section-dark .eyebrow { color: #9eaaff; }
.section-dark .section-kicker, .section-dark .muted { color: #aab1c0; }
.section-dark .section-heading { color: #fff; }
.work-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.work-card {
    position: relative;
    grid-column: span 4;
    min-height: 320px;
    padding: 28px;
    overflow: hidden;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    text-decoration: none;
    transition: transform .2s, border-color .2s, box-shadow .2s;
}
.work-card:first-child { grid-column: span 8; color: #fff; background: var(--ink); border-color: var(--ink); }
.work-card:hover { transform: translateY(-5px); border-color: var(--signal); box-shadow: var(--shadow); }
.work-number { display: block; color: var(--muted); font: 650 .74rem/1 ui-monospace, monospace; }
.work-card:first-child .work-number { color: #8e96a6; }
.work-card h3 { max-width: 430px; margin: 74px 0 12px; font-size: clamp(1.5rem, 2.7vw, 2.4rem); line-height: 1.05; letter-spacing: -.045em; }
.work-card p { max-width: 530px; margin: 0; color: var(--muted); }
.work-card:first-child p { color: #aeb5c3; }
.work-meta { position: absolute; right: 24px; bottom: 22px; left: 28px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.work-tag { font: 680 .68rem/1 ui-monospace, monospace; letter-spacing: .06em; text-transform: uppercase; }
.work-arrow { color: var(--signal); font-size: 1.3rem; }
.work-card:first-child .work-arrow { color: #9eabff; }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius); }
.capability { min-height: 230px; padding: 30px; background: var(--surface-dark); }
.capability-index { color: #737c8d; font: 650 .73rem/1 ui-monospace, monospace; }
.capability h3 { margin: 48px 0 12px; color: #fff; font-size: 1.28rem; }
.capability p { margin: 0; color: #aab1c0; font-size: .93rem; }

.tool-shell { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.tool-copy { position: sticky; top: 118px; }
.tool-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 20px; background: #ececf1; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.panel-card { padding: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.panel-card h3 { margin: 0 0 22px; font-size: 1.15rem; letter-spacing: -.025em; }
.form-group { margin-bottom: 17px; }
.form-label { display: block; margin-bottom: 7px; color: var(--ink-soft); font-size: .78rem; font-weight: 730; }
.form-label .required { color: var(--danger); }
.form-input, .form-select, .form-textarea {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
    color: var(--ink);
    background: #fbfbfc;
    border: 1px solid #cfd3dc;
    border-radius: 8px;
    outline: 0;
    transition: border .18s, box-shadow .18s;
}
.form-textarea { min-height: 150px; resize: vertical; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--signal); box-shadow: 0 0 0 3px rgba(52,87,255,.12); }
.form-button { width: 100%; border: 0; }
.form-message, .error-message { display: none; margin-bottom: 18px; padding: 12px 14px; border-radius: 8px; font-size: .84rem; }
.form-message.show, .error-message.show { display: block; }
.form-message.success { color: #075c49; background: #def5ed; }
.form-message.error, .error-message { color: #8e2020; background: #fde8e8; }
.qr-output { display: grid; min-height: 100%; place-items: center; text-align: center; }
.qr-placeholder { color: var(--muted); }
.qr-mark { display: grid; width: 88px; height: 88px; margin: 0 auto 18px; place-items: center; color: var(--signal); background: #edf0ff; border: 1px dashed #8d9cff; border-radius: 18px; font: 800 1.1rem/1 ui-monospace, monospace; }
#qrSection { display: none; width: 100%; }
#qrSection.show { display: block; }
#qrcode { display: flex; justify-content: center; margin: 20px 0; }
#qrcode img, #qrcode canvas { max-width: 100%; height: auto !important; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.qr-info { padding: 12px; background: var(--paper); border-radius: 8px; text-align: left; }
.qr-info p { margin: 3px 0; font-size: .82rem; overflow-wrap: anywhere; }
.qr-actions { display: flex; gap: 8px; }
.qr-actions .button { min-height: 42px; flex: 1; padding: 0 10px; border-radius: 8px; font-size: .76rem; }
.tool-notes { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.tool-notes p { margin: 0 0 10px; color: var(--muted); font-size: .88rem; }
.tool-notes strong { color: var(--ink); }

.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.faq-grid details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.faq-grid details[open] { border-color: #aab4ff; box-shadow: 0 10px 30px rgba(52,87,255,.08); }
.faq-grid summary { position: relative; padding: 20px 52px 20px 20px; font-weight: 760; list-style: none; cursor: pointer; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after { position: absolute; top: 18px; right: 20px; color: var(--signal); content: "+"; font: 500 1.4rem/1 ui-monospace, monospace; }
.faq-grid details[open] summary::after { content: "−"; }
.faq-grid details p { margin: 0; padding: 0 20px 20px; color: var(--muted); font-size: .9rem; }

.writing-list { border-top: 1px solid var(--line); }
.writing-item { display: grid; grid-template-columns: 120px 1fr auto; gap: 28px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.writing-item:hover h3 { color: var(--signal); }
.writing-topic { color: var(--muted); font: 650 .7rem/1.4 ui-monospace, monospace; text-transform: uppercase; }
.writing-item h3 { margin: 0; font-size: clamp(1.15rem, 2.1vw, 1.65rem); line-height: 1.25; letter-spacing: -.025em; transition: color .18s; }
.writing-arrow { color: var(--signal); font-size: 1.25rem; }

.page-hero { padding: clamp(70px, 9vw, 116px) 0 64px; border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; }
.page-title { margin: 0; font-size: clamp(3.1rem, 7.5vw, 6.5rem); line-height: .92; letter-spacing: -.075em; }
.page-lead { margin: 0; color: var(--ink-soft); font-size: 1.12rem; }
.page-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip { display: inline-flex; min-height: 30px; align-items: center; padding: 0 10px; color: var(--ink-soft); background: #fff; border: 1px solid var(--line); border-radius: 999px; font: 650 .68rem/1 ui-monospace, monospace; }

.filter-bar { position: sticky; z-index: 20; top: 76px; padding: 14px 0; background: rgba(245,244,239,.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.filters { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.filter-button { flex: 0 0 auto; min-height: 38px; padding: 0 14px; color: var(--ink-soft); background: transparent; border: 1px solid var(--line); border-radius: 999px; font-size: .78rem; font-weight: 700; }
.filter-button:hover, .filter-button.active { color: #fff; background: var(--ink); border-color: var(--ink); }
.product-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.product-row { display: grid; grid-template-columns: 72px 1fr 160px 32px; gap: 24px; align-items: center; min-height: 150px; padding: 25px 28px; background: var(--surface); text-decoration: none; transition: background .18s; }
.product-row:hover { background: #f0f2ff; }
.product-row[hidden] { display: none; }
.product-index { color: var(--muted); font: 650 .72rem/1 ui-monospace, monospace; }
.product-copy h2 { margin: 0 0 7px; font-size: 1.3rem; letter-spacing: -.03em; }
.product-copy p { max-width: 700px; margin: 0; color: var(--muted); font-size: .9rem; }
.product-type { color: var(--ink-soft); font: 650 .68rem/1.4 ui-monospace, monospace; text-align: right; text-transform: uppercase; }
.product-open { color: var(--signal); font-size: 1.25rem; }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(46px, 8vw, 110px); }
.aside-label { position: sticky; top: 120px; color: var(--muted); font: 700 .72rem/1.5 ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.prose-large p { margin: 0 0 24px; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.6; letter-spacing: -.015em; }
.prose-large strong { color: var(--signal); }
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.principle { min-height: 220px; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.principle span { color: var(--signal); font: 700 .72rem/1 ui-monospace, monospace; }
.principle h3 { margin: 58px 0 8px; font-size: 1.15rem; }
.principle p { margin: 0; color: var(--muted); font-size: .9rem; }
.stack-list { display: flex; flex-wrap: wrap; gap: 10px; }
.stack-list span { padding: 10px 13px; color: #dfe3ec; background: #202633; border: 1px solid #323a49; border-radius: 8px; font: 600 .78rem/1 ui-monospace, monospace; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: start; }
.contact-panel { padding: clamp(28px, 4vw, 48px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.contact-panel-dark { color: #fff; background: var(--surface-dark); border-color: var(--surface-dark); }
.contact-panel h2 { margin: 0 0 15px; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.05; letter-spacing: -.045em; }
.contact-panel p { color: var(--muted); }
.contact-panel-dark p { color: #aab1c0; }
.contact-details { margin: 42px 0 0; padding: 0; list-style: none; }
.contact-details li { padding: 18px 0; border-top: 1px solid var(--line-dark); }
.contact-details small { display: block; margin-bottom: 4px; color: #7f8899; font: 650 .65rem/1 ui-monospace, monospace; text-transform: uppercase; }
.contact-details a { color: #fff; font-weight: 700; text-decoration-color: #596274; text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.contact-form-grid .full { grid-column: 1 / -1; }
.privacy-note { color: var(--muted); font-size: .75rem; }

.legal-shell { display: grid; grid-template-columns: 250px minmax(0, 760px); gap: clamp(42px, 7vw, 90px); align-items: start; }
.legal-toc { position: sticky; top: 112px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.legal-toc strong { display: block; margin-bottom: 15px; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.legal-toc a { display: block; padding: 7px 0; color: var(--muted); font-size: .8rem; text-decoration: none; }
.legal-toc a:hover { color: var(--signal); }
.legal-content { min-width: 0; }
.legal-content section { padding: 0 0 38px; margin: 0 0 38px; border-bottom: 1px solid var(--line); scroll-margin-top: 115px; }
.legal-content section:last-child { border-bottom: 0; }
.legal-content h2 { margin: 0 0 15px; font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.15; letter-spacing: -.035em; }
.legal-content h3 { margin-top: 26px; }
.legal-content p, .legal-content li { color: var(--ink-soft); }
.legal-content ul, .legal-content ol { padding-left: 22px; }
.legal-content a { color: var(--signal); }
.legal-callout { padding: 20px; background: #ecefff; border-left: 3px solid var(--signal); border-radius: 0 10px 10px 0; }
.table-wrap { overflow-x: auto; }
.legal-content table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.legal-content th, .legal-content td { padding: 13px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.legal-content th { background: #ececf1; }

.cta-band { padding: 72px 0; color: #fff; background: var(--signal); }
.cta-grid { display: grid; grid-template-columns: 1fr auto; gap: 35px; align-items: center; }
.cta-band h2 { max-width: 760px; margin: 0; font-size: clamp(2rem, 4.5vw, 4rem); line-height: 1; letter-spacing: -.055em; }
.cta-band p { margin: 14px 0 0; color: rgba(255,255,255,.78); }

.site-footer { padding: 66px 0 26px; color: #fff; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 50px; }
.footer-brand p { max-width: 390px; color: #929aaa; font-size: .88rem; }
.footer-heading { margin: 0 0 15px; color: #697284; font: 700 .67rem/1 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.footer-links { display: grid; gap: 9px; }
.footer-links a { width: fit-content; color: #d9dde7; font-size: .84rem; text-decoration: none; }
.footer-links a:hover { color: #9eabff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; margin-top: 54px; padding-top: 22px; color: #70798a; border-top: 1px solid var(--line-dark); font-size: .73rem; }

@media (max-width: 980px) {
    .hero-grid, .page-hero-grid, .tool-shell, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 55px; }
    .dev-card { max-width: 620px; }
    .trust-inner { grid-template-columns: repeat(2, 1fr); padding: 22px 0; }
    .trust-label { grid-column: 1 / -1; }
    .work-card, .work-card:first-child { grid-column: span 6; }
    .work-card:first-child { grid-column: span 12; }
    .capability-grid { grid-template-columns: 1fr 1fr; }
    .tool-copy, .aside-label { position: static; }
    .legal-shell { grid-template-columns: 1fr; }
    .legal-toc { position: static; display: flex; flex-wrap: wrap; gap: 0 18px; }
    .legal-toc strong { width: 100%; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    .container { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { min-height: 68px; }
    .brand-logo { width: 154px; }
    .site-footer .brand-logo { width: 174px; }
    .nav-toggle { display: block; }
    .site-nav {
        position: fixed;
        inset: 68px 0 auto;
        display: grid;
        gap: 2px;
        padding: 16px 14px 22px;
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 24px 45px rgba(16,19,26,.14);
        transition: opacity .2s, transform .2s, visibility .2s;
    }
    .site-nav.open { visibility: visible; opacity: 1; transform: translateY(0); }
    .site-nav a { padding: 12px; }
    .site-nav .nav-cta { margin: 6px 0 0; text-align: center; }
    .home-hero { padding-top: 72px; }
    .hero-title { font-size: clamp(3.35rem, 18vw, 5rem); }
    .page-title { font-size: clamp(3.15rem, 17vw, 5rem); }
    .hero-lead { font-size: 1rem; }
    .dev-card-body { padding: 22px 18px; }
    .code-line { grid-template-columns: 20px 1fr; gap: 8px; font-size: .7rem; }
    .trust-inner { gap: 18px; }
    .trust-item { font-size: .68rem; }
    .work-grid { grid-template-columns: 1fr; }
    .work-card, .work-card:first-child { grid-column: auto; min-height: 290px; }
    .capability-grid { grid-template-columns: 1fr; }
    .tool-panel { grid-template-columns: 1fr; padding: 10px; }
    .faq-grid { grid-template-columns: 1fr; }
    .writing-item { grid-template-columns: 1fr auto; gap: 10px 20px; }
    .writing-topic { grid-column: 1 / -1; }
    .product-row { grid-template-columns: 42px 1fr 22px; gap: 12px; padding: 22px 16px; }
    .product-type { display: none; }
    .product-copy h2 { font-size: 1.1rem; }
    .product-copy p { font-size: .82rem; }
    .principles { grid-template-columns: 1fr; }
    .contact-form-grid { grid-template-columns: 1fr; }
    .contact-form-grid .full { grid-column: auto; }
    .cta-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}