@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 600 800; font-display: swap; src: url("plus-jakarta-sans-vi.woff2") format("woff2"); unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 600 800; font-display: swap; src: url("plus-jakarta-sans-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "AULISP Editorial"; font-style: normal; font-weight: 600 700; font-display: swap; src: url("cormorant-garamond-display-vi.woff2?v=20260728-cwv1") format("woff2"); unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; }
@font-face { font-family: "AULISP Editorial"; font-style: normal; font-weight: 600 700; font-display: swap; src: url("cormorant-garamond-display-latin.woff2?v=20260728-cwv1") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --st-bg: #f5f5f7;
  --st-surface: #ffffff;
  --st-soft: #eeeef0;
  --st-soft-2: #e5e5e8;
  --st-text: #1d1d1f;
  --st-muted: #5f6065;
  --st-line: #dedee2;
  --st-acid: #c7ff24;
  --st-blue: #0065cc;
  --st-green: #4e6700;
  --st-radius: 12px;
  --st-shadow: 0 18px 50px rgba(26, 31, 26, .08);
}

body { background: var(--st-bg); color: var(--st-text); }
h1, h2 { font-family: "AULISP Editorial", Georgia, serif; color: var(--st-text); font-weight: 700; letter-spacing: 0; font-feature-settings: "kern" 1, "liga" 1; text-rendering: optimizeLegibility; }
h3, .brand-name, .btn, .nav-cta, .pain-card > strong, .offer-summary strong { font-family: "Plus Jakarta Sans", "Be Vietnam Pro", sans-serif; color: var(--st-text); letter-spacing: 0; }
h3 { font-weight: 650; }
.section-heading h2, .register h2 { text-transform: uppercase; }
.section { padding-top: 120px; padding-bottom: 120px; }
.eyebrow { color: var(--st-blue); font-size: 13px; font-weight: 600; text-transform: uppercase; }
.section-heading { margin-bottom: 64px; }
.section-heading h2 { font-size: clamp(42px, 4.2vw, 58px); line-height: 1.12; }
.split-heading { align-items: end; }
.split-heading > p { max-width: 520px; color: var(--st-muted); }

.site-header {
  height: 72px;
  padding-right: max(24px, calc((100vw - 1240px) / 2));
  padding-left: max(24px, calc((100vw - 1240px) / 2));
  border-color: rgba(255, 255, 255, .09);
  background: rgba(11, 13, 18, .94);
  box-shadow: none;
  backdrop-filter: none;
}
.brand-mark { background: transparent; color: #d7ff56; font-size: 20px; }
.brand-name { color: #f7f8fb; font-size: 15px; }
.brand-name span { color: #9ca4b5; }
.nav { color: #b8beca; font-size: 13px; }
.nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav a:hover { color: #ffffff; }
.nav-cta { border-radius: 9px; background: #d7ff56; color: #10130d; }
.nav-cta:hover { background: #e2ff80; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  max-width: none;
  min-height: 0;
  margin: 0;
  padding: 0 24px;
  background: linear-gradient(118deg, #0b0d12 0%, #131722 46%, #102442 78%, #0b1821 100%);
  color: #ffffff;
  text-align: left;
}
.hero-engineer-scene { display: none; }
.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(145deg, transparent 0 45%, rgba(61, 125, 255, .16) 69%, rgba(129, 255, 225, .07) 100%);
  content: "";
  pointer-events: none;
}
.hero-shell {
  position: relative;
  z-index: 1;
  width: min(1240px, 100%);
  min-height: min(760px, calc(100svh - 104px));
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(520px, 1.02fr);
  align-items: center;
  gap: clamp(48px, 5vw, 64px);
  margin: 0 auto;
  padding: 64px 0 68px;
}

@media (min-width: 900px) {
  .hero-engineer-scene {
    position: absolute;
    inset: 0 0 0 42%;
    z-index: 0;
    display: block;
    overflow: hidden;
    background: url("ai-engineer-hero.webp") center right / cover no-repeat;
    opacity: .42;
    filter: saturate(.9) contrast(1.06);
    pointer-events: none;
  }
  .hero-engineer-scene::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #0b0d12 0%, rgba(11, 13, 18, .72) 30%, rgba(11, 13, 18, .12) 100%);
    content: "";
  }
}
.hero-copy { max-width: 650px; margin: 0; }
.hero .eyebrow {
  width: fit-content;
  justify-content: flex-start;
  gap: 9px;
  margin: 0 0 24px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  color: #d7dce6;
  font-size: 12px;
}
.hero .eyebrow > span { width: 7px; height: 7px; display: block; border-radius: 50%; background: #d7ff56; box-shadow: 0 0 16px rgba(215, 255, 86, .7); }
.hero h1 {
  max-width: 650px;
  margin: 0 0 24px;
  color: #f7f8fb;
  font-size: clamp(68px, 5vw, 74px);
  font-weight: 700;
  line-height: .96;
  text-transform: none;
}
.hero-title-accent { display: block; color: #b9ceff; }
.hero-lead { max-width: 610px; margin: 0 0 28px; color: #c8ced9; font-size: 18px; line-height: 1.65; }
.hero-actions { justify-content: flex-start; gap: 10px; }
.hero .btn { min-height: 54px; padding: 0 20px; border-radius: 10px; }
.hero .btn-primary { background: #d7ff56; color: #10130d; box-shadow: 0 12px 34px rgba(157, 214, 45, .16); }
.hero .btn-primary:hover { background: #e2ff80; }
.hero .btn-secondary { border-color: rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .06); color: #f4f6fb; }
.hero .btn-secondary:hover { border-color: rgba(255, 255, 255, .34); background: rgba(255, 255, 255, .1); }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 32px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  list-style: none;
}
.hero-proof li { min-width: 0; padding-right: 14px; }
.hero-proof li + li { padding-left: 16px; border-left: 1px solid rgba(255, 255, 255, .12); }
.hero-proof strong { display: block; color: #ffffff; font-family: "Plus Jakarta Sans", "Be Vietnam Pro", sans-serif; font-size: 20px; line-height: 1.2; }
.hero-proof span { display: block; margin-top: 5px; color: #9fa8b8; font-size: 12px; line-height: 1.35; }
.hero-visual {
  position: relative;
  width: 100%;
  max-width: none;
  min-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 20px;
  background: rgba(255, 255, 255, .07);
  box-shadow: 0 42px 100px rgba(0, 0, 0, .42), 0 0 80px rgba(53, 122, 255, .16);
}
.workspace-bar {
  min-height: 46px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  color: #9da6b6;
  font-family: "Plus Jakarta Sans", "Be Vietnam Pro", sans-serif;
  font-size: 10px;
}
.workspace-bar > span { display: flex; gap: 5px; }
.workspace-bar > span i { width: 7px; height: 7px; display: block; border-radius: 50%; background: rgba(255, 255, 255, .26); }
.workspace-bar strong { color: #d9dee8; font-size: 10px; letter-spacing: 0; }
.workspace-bar em { justify-self: end; color: #d7ff56; font-size: 9px; font-style: normal; font-weight: 700; }
.workspace-stage { aspect-ratio: 1264 / 848; margin: 14px; overflow: hidden; border-radius: 12px; background: #f6f8fb; }
.hero-visual img { width: 100%; height: 100%; display: block; border-radius: 0; object-fit: cover; }
.hero-visual figcaption { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 17px 4px; color: #a9b1c0; font-size: 12px; }
.hero-visual figcaption span { display: flex; align-items: center; gap: 8px; }
.hero-visual figcaption span i { width: 7px; height: 7px; display: block; border-radius: 50%; background: #d7ff56; }
.hero-visual figcaption strong { color: #f3f5f9; font-size: 12px; }

.pain { background: var(--st-soft); }
.pain .section-heading { max-width: 880px; }
.pain-intro {
  max-width: 640px;
  margin: 22px auto 0;
  color: var(--st-muted);
  font-size: 17px;
  line-height: 1.7;
}
.pain-grid { gap: 20px; }
.pain-card {
  min-height: 250px;
  padding: 30px;
  border-color: var(--st-line);
  border-radius: var(--st-radius);
  box-shadow: 0 10px 28px rgba(26, 31, 26, .05);
}
.pain-card > strong { color: var(--st-blue); font-size: 27px; }
.pain-card h3 { margin-top: 46px; font-size: 22px; }
.pain-card p { color: var(--st-muted); font-size: 15px; }

.platform { max-width: 1240px; margin: 0 auto; padding-right: 30px; padding-left: 30px; background: var(--st-bg); }
.platform > .section-heading { padding-right: 18px; padding-left: 18px; }
.module-grid {
  gap: 112px;
  padding: 88px 64px;
  border: 1px solid #e3e6df;
  border-radius: 32px;
  background: var(--st-soft);
}
.module-feature { gap: clamp(56px, 8vw, 110px); }
.module-art { border-color: #dce1d9; border-radius: 14px; background: var(--st-surface); box-shadow: var(--st-shadow); }
.word-art, .excel-art { background: #f5f7f3; }
.document-window, .spreadsheet-window { box-shadow: 0 16px 38px rgba(38, 48, 38, .1); }
.module-copy .module-top { margin-bottom: 42px; }
.module-top span { color: var(--st-blue); }
.module-label { color: var(--st-blue); font-size: 13px; text-transform: uppercase; }
.module-copy h3 { font-size: clamp(36px, 3.7vw, 50px); line-height: 1.14; }
.module-copy > p:last-of-type { color: var(--st-muted); font-size: 17px; }
.module-copy > strong { color: #343a34; }

.comparison { background: var(--st-bg); color: var(--st-text); }
.comparison .eyebrow { color: var(--st-blue); }
.comparison .section-heading h2 { color: var(--st-text); }
.comparison-grid { gap: 18px; }
.comparison-panel {
  min-height: 330px;
  border: 1px solid var(--st-line);
  border-radius: 16px;
  background: var(--st-surface);
  color: var(--st-text);
  box-shadow: 0 12px 34px rgba(26, 31, 26, .05);
}
.before-panel { background: #f4f5f1; }
.after-panel { border-color: #a8cef3; background: #f0f7ff; }
.comparison-panel > p { color: var(--st-muted); }
.comparison-panel li { color: #414741; }
.after-panel li::before { color: var(--st-blue); }
.comparison-arrow { color: var(--st-blue); }

.demos { background: #171b17; }
.demos .eyebrow { color: #b7c690; }
.demos .section-heading h2 { color: #ffffff; }
.demos .split-heading > p { color: #bac1b8; }
.demo-card { border-color: #343a33; border-radius: 14px; background: #20251f; }
.demo-card > p { color: #aeb6ac; }
.demo-card > strong { color: #ffffff; }
.demo-card > small { margin-top: 12px; color: #bfc6bd; font-size: 14px; line-height: 1.6; }
.demo-preview { border-radius: 10px; }
.demo-evidence { max-width: 860px; margin: 30px auto 0; color: #aeb6ac; font-size: 14px; line-height: 1.65; text-align: center; }
.demo-preview > em { position: absolute; right: 12px; bottom: 12px; z-index: 5; padding: 7px 9px; border-radius: 5px; background: var(--st-acid); color: #202900; font-size: 12px; font-style: normal; font-weight: 700; }
.case-status { position: absolute; top: 12px; right: 12px; z-index: 5; padding: 6px 8px; border-radius: 5px; background: #eef6e8; color: #41641e; font-size: 12px; font-weight: 700; }
.case-word-preview { display: grid; place-items: center; background: #f5f6f2; }
.case-doc-stack { position: relative; width: 150px; height: 174px; }
.case-doc-stack > i { position: absolute; inset: 0; display: block; border: 1px solid #dfe3dc; border-radius: 3px; background: #fff; box-shadow: 0 5px 14px rgba(26,31,26,.07); }
.case-doc-stack > i:nth-child(1) { transform: rotate(-5deg) translate(-10px, 3px); }
.case-doc-stack > i:nth-child(2) { transform: rotate(-2deg) translate(-5px, 1px); }
.case-doc-stack > i:nth-child(3) { z-index: 2; padding: 22px 15px; border-top: 3px solid var(--st-blue); }
.case-doc-stack span { display: block; margin-bottom: 22px; color: var(--st-blue); font-size: 10px; font-style: normal; font-weight: 700; }
.case-doc-stack small { display: block; width: 100%; height: 6px; margin-bottom: 10px; border-radius: 3px; background: #e5e8e3; }
.case-doc-stack small:nth-of-type(2) { width: 72%; }
.case-doc-stack small:nth-of-type(3) { width: 86%; border-bottom: 2px solid var(--st-acid); }
.case-excel-preview { padding: 42px 14px 48px; background: #f5f6f2; }
.case-sheet { display: grid; grid-template-columns: 1.35fr .72fr .9fr; overflow: hidden; border: 1px solid #d7ddd5; border-radius: 6px; background: #fff; }
.case-sheet > * { min-width: 0; padding: 8px 6px; border-right: 1px solid #e0e4df; border-bottom: 1px solid #e0e4df; color: #505850; font-size: 11px; }
.case-sheet > *:nth-child(3n) { border-right: 0; text-align: right; }
.case-sheet > *:nth-last-child(-n+3) { border-bottom: 0; }
.case-sheet > strong { background: #e9ede7; color: #3f473f; font-weight: 700; }
.case-sheet > span:nth-child(6n), .case-sheet > span:nth-child(9n), .case-sheet > span:nth-child(12n), .case-sheet > span:nth-child(15n) { color: #3e681c; background: rgba(199,255,36,.18); font-weight: 700; }
.case-lisp-preview { display: grid; grid-template-columns: 1.45fr .8fr; gap: 10px; padding: 12px 12px 48px; background: #111611; }
.case-cad-canvas { position: relative; min-height: 174px; overflow: hidden; border: 1px solid #344034; border-radius: 7px; background-color: #182018; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 16px 16px; }
.case-selection { position: absolute; top: 24px; left: 22px; width: 105px; height: 92px; border: 1px dashed #dfe6dc; }
.case-circle { position: absolute; top: 35px; left: 40px; width: 36px; height: 36px; border: 2px solid var(--st-acid); border-radius: 50%; }
.case-line { position: absolute; top: 82px; left: 82px; width: 68px; border-top: 2px solid var(--st-acid); transform: rotate(30deg); }
.case-cad-canvas > span { position: absolute; right: 0; bottom: 0; left: 0; padding: 7px 8px; background: #050705; color: #cbd2c9; font: 10px/1.45 monospace; }
.case-lisp-library { display: grid; align-content: start; gap: 3px; padding: 12px 10px; border: 1px solid #2e382e; border-radius: 7px; background: #171d17; }
.case-lisp-library strong { color: var(--st-acid); font: 700 12px monospace; }
.case-lisp-library small { margin-bottom: 8px; color: #9ca59a; font-size: 10px; }

.audience { background: var(--st-soft); color: var(--st-text); }
.audience .eyebrow { color: var(--st-blue); }
.audience .section-heading h2 { color: var(--st-text); }
.audience .split-heading > p { color: var(--st-muted); }
.audience-list { gap: 12px; }
.audience-list span { border-color: var(--st-line); border-radius: 9px; background: var(--st-surface); }
.not-for { color: var(--st-muted); }

.workflow { border-color: var(--st-line); background: var(--st-bg); }
.workflow-list::before { background: #d4d9d1; }
.workflow-list span { background: var(--st-blue); color: #ffffff; }
.workflow-list p { color: var(--st-muted); }

.outcomes { background: #eef1fa; }
.result-grid { gap: 16px; }
.result-grid article { min-height: 330px; border-color: #dce1f0; border-radius: 12px; box-shadow: 0 8px 24px rgba(49, 87, 255, .04); }
.result-grid h3 { margin-top: 42px; font-family: "AULISP Editorial", Georgia, serif; font-size: 26px; font-weight: 700; line-height: 1.18; }
.result-grid p { font-size: 15px; line-height: 1.68; }

.about { gap: clamp(56px, 8vw, 112px); padding-top: 120px; padding-bottom: 120px; }
.portrait-mark { border: 1px solid var(--st-line); border-radius: 14px; box-shadow: var(--st-shadow); }
.about-copy h2 { font-size: clamp(44px, 4.6vw, 60px); }
.role { color: var(--st-blue); }
.about-experience {
  display: grid;
  gap: 10px;
  max-width: 620px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.about-experience li {
  position: relative;
  padding-left: 24px;
  color: #4c554c;
  font-size: 15px;
  line-height: 1.55;
}
.about-experience li::before {
  position: absolute;
  top: .52em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--st-acid);
  box-shadow: 0 0 0 4px rgba(184, 226, 68, .18);
  content: "";
}
.about blockquote { border-color: var(--st-acid); border-radius: 0 10px 10px 0; background: #f1f4e9; color: #384233; font-weight: 500; }

.register {
  gap: clamp(56px, 7vw, 96px);
  padding-top: 120px;
  padding-bottom: 120px;
  background: #29292c;
  color: #ffffff;
}
.register .eyebrow { color: #8bc4ff; }
.register h2 { max-width: 590px; color: #ffffff; font-size: clamp(44px, 4.4vw, 58px); }
.register-copy > p:not(.eyebrow) { color: #c8c8ce; }
.offer-summary, .direct-contact a { border-color: rgba(255,255,255,.14); border-radius: 12px; }
.offer-summary { background: rgba(255,255,255,.07); box-shadow: none; }
.offer-summary span, .offer-summary strong, .offer-summary li { color: #ffffff; }
.offer-summary small { color: #bfc0c5; }
.offer-summary ul { border-color: rgba(255,255,255,.14); }
.offer-summary li::before { color: var(--st-acid); }
.direct-contact a { background: rgba(255,255,255,.07); box-shadow: none; }
.direct-contact a:hover { background: rgba(255,255,255,.12); }
.direct-contact small { color: #bfc0c5; }
.direct-contact strong { color: #ffffff; }
.faq-list, .faq-list details { border-color: rgba(255,255,255,.16); }
.faq-list summary { color: #ffffff; }
.faq-list p { color: #c8c8ce; }
.offer-summary strong { letter-spacing: 0; }
.faq-list summary { font-weight: 600; }
.signup-form, .payment-panel { padding: 30px; border-radius: 14px; box-shadow: 0 20px 60px rgba(26,31,26,.1); }
.signup-form input, .signup-form textarea, .signup-form fieldset { border-color: #d9ddd6; border-radius: 8px; background: #fbfcf9; }
.signup-form input:focus, .signup-form textarea:focus { border-color: var(--st-blue); box-shadow: 0 0 0 3px rgba(0, 113, 227, .12); }
.signup-form fieldset label:has(input:checked) { border-color: #8bc4ff; background: #eef6ff; color: #0057ad; }
.submit-btn { border-radius: 9px; background: var(--st-acid); color: #10130d; }
.submit-btn:hover { background: #d8ff4f; color: #10130d; }

.site-footer { border-top: 1px solid var(--st-line); background: #f5f5f7; color: var(--st-text); }
.site-footer .brand-mark { color: var(--st-blue); }
.site-footer .brand-name { color: var(--st-text); }
.site-footer .brand-name span, .site-footer p, .site-footer nav { color: var(--st-muted); }

@media (max-width: 900px) {
  .section { padding-top: 96px; padding-bottom: 96px; }
  .split-heading { grid-template-columns: 1fr; gap: 24px; }
  .split-heading > p { margin: 0; }
  .module-grid { padding: 64px 40px; }
  .hero-shell { grid-template-columns: 1fr; gap: 42px; padding-top: 64px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { max-width: 760px; margin: 0 auto; }
}

@media (max-width: 760px) {
  .section { padding: 80px 16px; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2 { font-size: 34px; line-height: 1.16; }
  .eyebrow { font-size: 14px; line-height: 1.4; }
  .site-header { height: 64px; }
  .brand-mark { font-size: 18px; }
  .brand-name { font-size: 14px; }
  .hero { padding: 0 16px; }
  .hero-shell { min-height: calc(100svh - 96px); gap: 20px; padding: 36px 0 32px; }
  .hero .eyebrow { margin-bottom: 16px; padding: 8px 11px; font-size: 11px; }
  .hero h1 { max-width: 358px; margin-bottom: 18px; font-size: 44px; line-height: .98; }
  .hero-lead { max-width: 358px; margin-bottom: 20px; font-size: 16px; line-height: 1.55; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .hero .btn { min-height: 50px; padding: 0 10px; font-size: 13px; }
  .hero-proof { margin-top: 20px; padding-top: 16px; }
  .hero-proof li { padding-right: 8px; }
  .hero-proof li + li { padding-left: 9px; }
  .hero-proof strong { font-size: 17px; }
  .hero-proof span { font-size: 10px; }
  .hero-visual { margin: 0; border-radius: 14px; }
  .workspace-bar { min-height: 34px; padding: 0 10px; }
  .workspace-bar strong { font-size: 9px; }
  .workspace-stage { height: 185px; margin: 8px; border-radius: 8px; }
  .hero-visual figcaption { display: none; }
  .pain .section-heading { text-align: center; }
  .pain .section-heading .eyebrow { justify-content: center; }
  .pain-intro { margin-top: 18px; font-size: 16px; line-height: 1.65; }
  .pain-grid { gap: 14px; }
  .pain-card { padding: 24px; }
  .pain-card h3 { margin-top: 28px; }
  .platform { padding: 80px 16px; }
  .platform > .section-heading { padding: 0; }
  .module-grid { gap: 76px; padding: 24px 14px 64px; border-radius: 18px; }
  .module-feature { gap: 26px; }
  .module-art { border-radius: 12px; }
  .module-copy { padding: 0 10px; }
  .module-copy .module-top { margin-bottom: 28px; }
  .module-copy h3 { font-size: 32px; }
  .comparison-panel { min-height: 0; padding: 24px; }
  .demo-card { border-radius: 12px; }
  .demo-card > small { font-size: 14px; }
  .demo-evidence { margin-top: 24px; text-align: left; }
  .demo-preview > em, .case-status { font-size: 14px; }
  .case-doc-stack span { font-size: 14px; }
  .case-sheet > * { padding: 9px 5px; font-size: 14px; overflow-wrap: anywhere; }
  .case-lisp-preview { grid-template-columns: 1fr; min-height: 0; }
  .case-cad-canvas { min-height: 190px; }
  .case-lisp-library { grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; grid-auto-flow: column; gap: 3px 8px; }
  .case-lisp-library small { margin-bottom: 0; }
  .case-cad-canvas > span, .case-lisp-library strong, .case-lisp-library small { font-size: 14px; }
  .workflow-list h3 { font-size: 20px; }
  .result-grid article { min-height: 0; }
  .result-grid h3 { margin-top: 34px; font-size: 25px; }
  .result-grid p { font-size: 16px; }
  .about { padding: 80px 16px; }
  .about-copy h2 { font-size: 40px; }
  .about-experience { margin-top: 24px; }
  .about-experience li { font-size: 16px; }
  .register { padding: 80px 16px; }
  .register h2 { font-size: 38px; }
  .signup-form, .payment-panel { padding: 22px; border-radius: 12px; }
  .mobile-sticky-cta { border-top: 1px solid #d9ddd6; background: rgba(255,255,255,.96); box-shadow: 0 -8px 30px rgba(26,31,26,.08); }
  .mobile-sticky-cta a { border-color: #e1e4df; color: var(--st-text); }
  .mobile-sticky-cta a:last-child { border-radius: 9px; background: var(--st-acid); color: #10130d; }
}