:root {
  color-scheme: light;
  --bg: #f6f8fe;
  --paper: #ffffff;
  --section: #eef3fc;
  --ink: #142541;
  --muted: #536783;
  --line: #d8e3f2;
  --blue: #245fed;
  --blue-hover: #174bc9;
  --soft: #eaf1ff;
  --orange: #ac4a08;
  --orange-bg: #fff0df;
  --header: #f6f8fef2;
  --brand: #267bc6;
  --disabled: #dbe5fa;
  --disabled-ink: #597093;
  --glow: #b8d6ff66;
  --shadow: 0 16px 45px #25467c0b;
  --art-shadow: #245fed16;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1729;
  --paper: #14243c;
  --section: #101f35;
  --ink: #edf3ff;
  --muted: #b2c1d8;
  --line: #2c3e59;
  --blue: #7aaaff;
  --blue-hover: #1c57cb;
  --soft: #20385b;
  --orange: #ffc28b;
  --orange-bg: #3a2c25;
  --header: #0c1729f2;
  --brand: #79adf5;
  --disabled: #233b5c;
  --disabled-ink: #b1c4e1;
  --glow: #26559542;
  --shadow: 0 16px 45px #0000001c;
  --art-shadow: #00000025;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0c1729; --paper: #14243c; --section: #101f35;
    --ink: #edf3ff; --muted: #b2c1d8; --line: #2c3e59;
    --blue: #7aaaff; --blue-hover: #1c57cb; --soft: #20385b;
    --orange: #ffc28b; --orange-bg: #3a2c25; --header: #0c1729f2;
    --brand: #79adf5; --disabled: #233b5c; --disabled-ink: #b1c4e1;
    --glow: #26559542; --shadow: 0 16px 45px #0000001c; --art-shadow: #00000025;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, summary { font: inherit; }
button, a, summary, label { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(42px, 4.1vw, 57px); line-height: 1.13; letter-spacing: -2.5px; margin: 23px 0; }
h1 span { color: var(--blue); }
h2 { font-size: 32px; line-height: 1.25; letter-spacing: -1px; margin-bottom: 14px; }
h3 { font-size: 18px; line-height: 1.45; margin-bottom: 7px; }
.wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.header { position: sticky; top: 0; z-index: 10; background: var(--header); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 82px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--brand); white-space: nowrap; font-size: 28px; font-weight: 750; letter-spacing: -1.2px; }
.brand b { color: #ed7718; }
.brand img { object-fit: contain; }
.desktop-nav, .nav-actions { display: flex; align-items: center; gap: 28px; }
.desktop-nav a, .login, .footer nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; font-weight: 650; color: var(--muted); }
.desktop-nav a:hover, .login:hover, .footer a:hover, .desktop-nav [aria-current="page"] { color: var(--blue); }
.nav-actions { gap: 18px; }
.icon-button, .mobile-menu summary { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: var(--paper); }
.theme-sun { display: none; }
:root[data-theme="dark"] .theme-moon { display: none; }
:root[data-theme="dark"] .theme-sun { display: block; }
.mobile-menu { display: none; }
.skip { position: fixed; top: 8px; left: 16px; z-index: 30; padding: 12px 20px; border: 2px solid var(--blue); border-radius: 8px; background: var(--paper); transform: translateY(-160%); }
.skip:focus { transform: none; }
.hero { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: 34px; padding-block: 52px; }
.hero-copy { min-width: 0; }
.badge, .small-tag, .phase { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--soft); color: var(--blue); font-size: 12px; font-weight: 650; }
.badge { color: var(--muted); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.lead { max-width: 435px; margin-bottom: 27px; color: var(--muted); font-size: 18px; line-height: 1.8; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 50px; padding: 14px 20px; border: 1px solid transparent; border-radius: 13px; font-size: 14px; line-height: 1.3; font-weight: 700; transition: background .16s; }
.primary { color: #fff; background: #245fed; box-shadow: 0 6px 15px #245fed20; }
.primary:hover:not(:disabled) { background: #174bc9; }
.primary:disabled { background: var(--disabled); color: var(--disabled-ink); box-shadow: none; }
:root[data-theme="dark"] .primary:not(:disabled) { background: #2865de; }
:root[data-theme="dark"] .primary:hover:not(:disabled) { background: #1c57cb; }
.text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--blue); font-size: 14px; font-weight: 650; }
.text-link svg { width: 18px; }
.hero-visual { position: relative; display: grid; place-items: center; min-width: 0; }
.hero-art { position: relative; display: block; width: 112%; max-width: 640px; height: auto; filter: drop-shadow(0 22px 28px var(--art-shadow)); }
.hero-glow { position: absolute; inset: 5% -3%; border-radius: 50%; background: radial-gradient(ellipse, var(--glow), transparent 70%); pointer-events: none; }
.steps-section { padding-block: 42px; background: var(--section); border-block: 1px solid var(--line); }
.section-heading { margin-bottom: 24px; }
.workflow-art { display: block; width: 100%; max-width: 1000px; height: auto; margin: 0 auto 16px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; text-align: center; }
.step { min-width: 0; }
.step-number { display: block; margin-bottom: 5px; color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.step h3 { font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 13px; }
.card { border: 1px solid var(--line); border-radius: 22px; background: var(--paper); box-shadow: var(--shadow); }
.demo-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 85px; align-items: center; padding-block: 62px; }
.demo-intro h2 { font-size: 39px; letter-spacing: -1.3px; }
.demo-intro > p { color: var(--muted); }
.demo-art { display: block; width: 220px; height: auto; margin-top: 12px; }
.demo-wrap { width: 100%; max-width: 580px; justify-self: end; }
.demo { padding: 26px; }
.demo-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-bottom: 15px; margin-bottom: 17px; border-bottom: 1px solid var(--line); }
.demo-label { color: var(--orange); font-size: 12px; font-weight: 700; }
.demo-subject { margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.demo h2 { font-size: 20px; line-height: 1.45; letter-spacing: -.3px; margin-bottom: 18px; }
.demo fieldset { display: grid; gap: 9px; border: 0; padding: 0; margin: 0 0 18px; }
.demo label { display: flex; position: relative; align-items: center; gap: 12px; min-height: 52px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; cursor: pointer; }
.demo label:has(input:checked) { border-color: var(--blue); background: var(--soft); color: var(--blue); }
.demo label:has(input:focus-visible) { outline: 3px solid var(--blue); outline-offset: 3px; }
.demo input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.letter { display: grid; place-items: center; flex-shrink: 0; width: 29px; height: 29px; border-radius: 50%; background: var(--soft); color: var(--muted); font-size: 12px; font-weight: 700; }
.radio-mark { width: 17px; height: 17px; margin-left: auto; border: 1.5px solid var(--line); border-radius: 50%; flex-shrink: 0; }
.demo input:checked ~ .radio-mark { border: 5px solid var(--blue); background: var(--paper); }
.demo-check { width: 100%; justify-content: space-between; min-height: 47px; font-size: 13px; }
.demo-caption { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
.demo-feedback { font-size: 13px; padding: 12px; margin: 14px 0 0; background: var(--soft); border-radius: 10px; border-left: 3px solid var(--blue); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.features { padding-bottom: 62px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { padding: 22px 24px 27px; text-align: center; box-shadow: none; }
.feature-art { display: block; width: 148px; height: 148px; margin: 0 auto 14px; object-fit: contain; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
.faq { max-width: 860px; padding-bottom: 58px; }
.faq details, .source-details { border-bottom: 1px solid var(--line); }
.faq summary, .source-details summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 2px; list-style: none; cursor: pointer; font-size: 15px; font-weight: 650; }
.faq summary::-webkit-details-marker, .source-details summary::-webkit-details-marker { display: none; }
.faq summary:after, .source-details summary:after { content: "+"; color: var(--blue); font-size: 23px; font-weight: 400; }
.faq details[open] summary:after, .source-details[open] summary:after { content: "−"; }
.faq details p, .source-details p { color: var(--muted); font-size: 14px; line-height: 1.8; padding: 0 2px 18px; margin: 0; }
.faq details a { color: var(--blue); text-decoration: underline; }
.footer { padding-block: 24px; border-top: 1px solid var(--line); }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-top .brand { font-size: 23px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 24px; }
.footer nav a { font-size: 12px; }
.footer-bottom { align-items: flex-start; margin-top: 12px; }
.footer-bottom p { margin: 0; color: var(--muted); font-size: 11px; }
.about-page { padding-top: 28px; padding-bottom: 60px; }
.back-link svg { transform: rotate(180deg); }
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; padding-block: 35px 50px; }
.about h1 { font-size: 45px; }
.about-copy > p { color: var(--muted); font-size: 15px; max-width: 480px; }
.company-id { font-size: 13px !important; }
.affiliation { font-size: 12px !important; }
.contact { padding: 28px; box-shadow: none; }
.contact h2 { font-size: 24px; }
.contact p { color: var(--muted); font-size: 14px; }
.contact-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 16px; border-radius: 13px; background: var(--orange-bg); color: var(--orange); font-size: 21px; }
.email { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; color: var(--blue); font-size: 19px; font-weight: 650; overflow-wrap: anywhere; }
.development { display: grid; grid-template-columns: 1fr 1.35fr; gap: 60px; padding: 36px; box-shadow: none; }
.development > div > p, .roadmap p { color: var(--muted); font-size: 14px; }
.development h2 { font-size: 28px; }
.eyebrow { display: block; margin-bottom: 10px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.roadmap { padding-left: 28px; border-left: 1px solid var(--line); }
.roadmap article + article { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.roadmap p { margin: 0; line-height: 1.8; }
.roadmap .roadmap-note { margin-top: 8px; font-size: 12px; }
.phase { font-size: 11px; margin-bottom: 8px; padding: 4px 9px; }
.phase.planned { color: var(--orange); background: var(--orange-bg); border-color: transparent; }
.source-details { margin-top: 25px; }
@media (max-width: 1020px) {
  .desktop-nav { gap: 18px; }
  .hero-art { width: 106%; }
  .demo-section { gap: 40px; }
  .development { gap: 30px; }
  .about { gap: 35px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .nav-wrap { min-height: 73px; gap: 10px; }
  .brand { font-size: 25px; gap: 7px; }
  .brand img { width: 34px; height: 34px; }
  .desktop-nav { display: none; }
  .nav-actions { gap: 12px; }
  .login { font-size: 12px; }
  .icon-button, .mobile-menu summary { width: 40px; height: 44px; border-radius: 10px; }
  .icon-button { border: 0; background: transparent; }
  .mobile-menu { display: block; }
  .mobile-menu summary { list-style: none; cursor: pointer; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav { position: absolute; top: 64px; left: 18px; right: 18px; display: grid; padding: 12px; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 14px; }
  .mobile-menu nav a { padding: 11px 13px; border-radius: 8px; font-size: 14px; font-weight: 600; }
  .mobile-menu nav a:hover { background: var(--soft); }
  .hero { grid-template-columns: 1fr; gap: 16px; padding-top: 30px; padding-bottom: 25px; }
  h1 { font-size: 42px; letter-spacing: -2px; margin-block: 20px; }
  h2 { font-size: 28px; }
  .lead { font-size: 16px; line-height: 1.8; margin-bottom: 22px; }
  .badge { font-size: 11px; }
  .hero-art { width: 100%; max-width: 400px; }
  .hero-visual { margin-inline: 8px; }
  .hero-glow { inset: 0; }
  .cta-row { gap: 12px; }
  .button { padding: 14px 17px; font-size: 13px; }
  .text-link { font-size: 12px; }
  .steps-section { padding-block: 32px; }
  .section-heading { margin-bottom: 18px; }
  .workflow-art { margin-bottom: 18px; }
  .steps { gap: 10px; }
  .step h3 { font-size: 13px; }
  .step p { font-size: 11px; }
  .step-number { font-size: 10px; }
  .demo-section { grid-template-columns: 1fr; gap: 20px; padding-block: 38px; }
  .demo-intro { display: grid; grid-template-columns: minmax(0, 1fr) 105px; align-items: center; column-gap: 8px; }
  .demo-intro h2 { margin-bottom: 6px; font-size: 30px; align-self: end; }
  .demo-intro > p { margin-bottom: 0; font-size: 14px; align-self: start; }
  .demo-art { grid-column: 2; grid-row: 1 / 3; width: 105px; height: 105px; margin: 0; }
  .demo-wrap { max-width: 580px; margin: auto; }
  .demo { padding: 20px; border-radius: 18px; }
  .demo-label, .small-tag { font-size: 11px; }
  .demo h2 { font-size: 19px; }
  .demo label { min-height: 49px; }
  .features { padding-bottom: 38px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature { display: grid; grid-template-columns: 100px minmax(0, 1fr); column-gap: 18px; padding: 16px 19px; text-align: left; align-items: center; border-radius: 18px; }
  .feature-art { grid-column: 1; grid-row: 1 / 3; width: 100px; height: 100px; margin: 0; }
  .feature h3 { grid-column: 2; align-self: end; font-size: 17px; margin-bottom: 5px; }
  .feature p { grid-column: 2; align-self: start; font-size: 13px; }
  .faq { padding-bottom: 35px; }
  .faq summary { font-size: 14px; padding-block: 18px; }
  .faq details p { font-size: 13px; }
  .footer-top, .footer-bottom { display: block; }
  .footer nav { gap: 19px; margin-top: 12px; }
  .footer-bottom { margin-top: 8px; }
  .footer-bottom p:last-child { margin-top: 6px; }
  .about-page { padding-top: 20px; padding-bottom: 35px; }
  .about { grid-template-columns: 1fr; gap: 22px; padding-block: 24px 30px; }
  .about h1 { font-size: 36px; }
  .about-copy > p { font-size: 14px; }
  .contact { padding: 24px; }
  .email { font-size: 18px; }
  .development { grid-template-columns: 1fr; padding: 25px 23px; gap: 20px; }
  .roadmap { border-left: 0; padding-left: 0; }
  .roadmap article:first-child { border-top: 1px solid var(--line); padding-top: 20px; }
  .source-details summary { font-size: 14px; }
}
@media (max-width: 370px) {
  .wrap { width: calc(100% - 28px); }
  .brand { font-size: 23px; }
  .brand img { width: 30px; height: 30px; }
  .nav-actions { gap: 4px; }
  .login { font-size: 11px; }
  .hero h1 { font-size: 37px; }
  .hero .cta-row { gap: 7px; }
  .hero .button { padding: 13px 12px; font-size: 12px; }
  .hero .text-link { font-size: 11px; gap: 5px; }
  .hero .text-link svg { width: 15px; }
  .step h3 { font-size: 12px; }
  .step p { font-size: 10px; }
  .demo { padding: 17px; }
  .demo-intro { grid-template-columns: minmax(0, 1fr) 85px; }
  .demo-intro h2 { font-size: 27px; }
  .demo-art { width: 85px; height: 85px; }
  .feature { grid-template-columns: 82px minmax(0, 1fr); column-gap: 14px; padding-inline: 16px; }
  .feature-art { width: 82px; height: 82px; }
  .feature h3 { font-size: 16px; }
}
.price-placeholder { display: grid; gap: 5px; margin-block: 15px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--soft); }
.price-placeholder span { color: var(--muted); font-size: 12px; }
.price-placeholder strong { color: var(--ink); font-size: clamp(18px, 3vw, 23px); line-height: 1.4; }
.contact-details { display: grid; gap: 10px; margin: 23px 0 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; }
.contact-details div { display: grid; grid-template-columns: 67px minmax(0, 1fr); gap: 10px; }
.contact-details dt { color: var(--muted); }
.contact-details dd { margin: 0; color: var(--ink); }
.contact-details a { text-decoration: underline; text-underline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}