:root {
  color-scheme: light;
  --paper: #fffdf7;
  --ink: #17382f;
  --muted: #53665e;
  --green: #12352f;
  --accent: #b5edb9;
  --border: #d9e1d5;
  --soft: #f0f3e9;
  font-family: "Leelawadee UI", "Noto Sans Thai", Thonburi, Tahoma, system-ui, sans-serif;
  font-size: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.75; }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #ae4918; outline-offset: 5px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.45; }
.container { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: -100px; left: 16px; padding: 12px 20px; background: var(--green); color: white; }
.skip-link:focus { top: 12px; }
.site-header { border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 750; letter-spacing: -.7px; text-decoration: none; }
.brand img { flex: none; }
nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; }
nav a { text-decoration: none; padding-block: 12px; }
nav a:hover { text-decoration: underline; }
nav .nav-download { padding: 10px 18px; border: 1px solid var(--ink); border-radius: 8px; }
.nav-download span { margin-left: 12px; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; padding-block: 90px 82px; }
.eyebrow { font-family: system-ui, sans-serif; font-weight: 700; font-size: 11px; letter-spacing: 2.2px; margin-bottom: 18px; color: #496b56; }
h1 { font-size: clamp(34px, 3.7vw, 48px); font-weight: 750; letter-spacing: -1.4px; line-height: 1.5; }
h1 span { color: #48704f; }
.hero-description { margin-top: 22px; max-width: 510px; font-size: 17px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 25px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; padding: 13px 22px; border: 1px solid var(--green); border-radius: 8px; text-decoration: none; cursor: pointer; font-size: 15px; font-weight: 650; background: transparent; color: var(--green); min-height: 44px; }
.button:hover { background: #e5eddf; }
.button-primary { background: var(--green); color: #fffdf7; }
.button-primary:hover { background: #245346; }
.button:disabled { cursor: wait; opacity: .65; }
.button-small { padding: 8px 14px; font-size: 13px; flex: none; }
.text-link { font-size: 14px; font-weight: 650; }
.text-link span { margin-left: 10px; }
.hero-platforms { margin-top: 22px; font-family: system-ui, sans-serif; font-size: 12px; color: var(--muted); }
.hero-platforms span { margin-inline: 9px; color: #78917c; }
.connection-art { position: relative; aspect-ratio: 1.08; background: #edf1e4; border-radius: 24px; overflow: hidden; border: 1px solid #dde4d3; }
.art-grid { position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(#d7dfcb 1px, transparent 1px), linear-gradient(90deg, #d7dfcb 1px, transparent 1px); background-size: 32px 32px; mask-image: linear-gradient(transparent, #000); }
.art-caption { position: absolute; top: 28px; left: 30px; font: 600 9px/1.5 system-ui, sans-serif; letter-spacing: 1.8px; color: #5d735c; }
.device { position: absolute; width: 51%; }
.device-screen { height: 140px; border: 7px solid var(--green); border-radius: 12px; background: #fffdf7; position: relative; }
.device-base { width: 45%; height: 7px; margin: 18px auto 0; background: var(--green); border-radius: 4px; position: relative; }
.device-base::before { content: ""; position: absolute; width: 10px; height: 21px; bottom: 0; left: calc(50% - 5px); background: var(--green); }
.device-back { top: 19%; right: 9%; transform: rotate(5deg); }
.device-back .device-screen { background: #d8e8ce; border-color: #557d5e; }
.device-back .device-base, .device-back .device-base::before { background: #557d5e; }
.screen-line { position: absolute; left: 22px; top: 24px; width: 45%; height: 7px; border-radius: 5px; background: #709674; }
.screen-line.short { top: 40px; width: 29%; opacity: .6; }
.screen-block { position: absolute; left: 22px; top: 62px; right: 22px; bottom: 18px; border-radius: 5px; background: #bdd5ae; }
.device-front { bottom: 18%; left: 9%; transform: rotate(-6deg); }
.device-front .device-screen { display: grid; place-items: center; background: #fffdf7; box-shadow: 0 12px 22px #12352f12; }
.connection-path { position: absolute; width: 37%; height: 35%; right: 13%; bottom: 25%; border: 2px dashed #5c7b52; border-left: none; border-top: none; border-radius: 0 0 32px 0; }
.art-note { position: absolute; bottom: 20px; right: 24px; color: #486041; font-size: 12px; }
.principles-wrap { border-block: 1px solid var(--border); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding-block: 25px; }
.principles > div { display: flex; gap: 16px; align-items: flex-start; }
.principle-number { color: #608564; font-family: system-ui, sans-serif; font-size: 12px; padding-top: 4px; }
.principles strong { display: block; font-size: 15px; font-weight: 650; }
.principles p > span { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; }
.section { padding-block: 76px; }
.section-heading { display: flex; justify-content: space-between; gap: 35px; align-items: flex-end; margin-bottom: 30px; }
.section-heading .eyebrow { margin-bottom: 10px; }
h2 { font-size: clamp(26px, 2.6vw, 34px); letter-spacing: -.7px; font-weight: 700; }
.section-heading > p { font-size: 14px; color: var(--muted); }
.release-bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 20px; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 20px; background: var(--soft); font-size: 14px; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.download-card { padding: 28px 24px 24px; border: 1px solid var(--border); border-radius: 14px; display: flex; flex-direction: column; background: #fffefa; min-width: 0; }
.platform-icon { display: flex; width: 40px; height: 40px; margin-bottom: 24px; }
.windows-icon { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; padding: 3px; }
.windows-icon span { background: var(--green); border-radius: 1px; }
.chip-icon { border: 2px solid var(--green); border-radius: 9px; align-items: center; justify-content: center; font: 700 23px/1 system-ui, sans-serif; box-shadow: inset 0 0 0 3px #fffefa, inset 0 0 0 4px #a9bda8; }
.intel-icon { font-family: Georgia, serif; }
.download-card h3 { font-size: 21px; letter-spacing: -.5px; }
.download-card h3 span { font-size: 15px; font-weight: 550; }
.architecture { font-size: 12px; margin-top: 6px; color: var(--muted); }
.platform-description { font-size: 14px; color: var(--muted); margin-block: 18px 24px; }
.artifact-list { margin-top: auto; }
.artifact + .artifact { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 16px; }
.artifact .button { width: 100%; font-size: 14px; }
.artifact-size { color: var(--muted); font-size: 12px; margin-top: 8px; }
.hash-details { font-size: 12px; margin-top: 5px; }
.hash-details summary { padding-block: 5px; }
.hash-details code { display: block; padding: 9px; font-size: 11px; overflow-wrap: anywhere; border-radius: 5px; border: 1px solid var(--border); background: var(--soft); user-select: all; }
.unavailable { padding-block: 12px; color: var(--muted); font-size: 13px; }
.download-footnote { color: var(--muted); font-size: 12px; margin-top: 20px; }
.source-panel { display: flex; align-items: flex-start; justify-content: space-between; gap: 35px; padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--border); }
.source-panel > div:first-child { max-width: 630px; }
.source-panel h3 { font-size: 16px; margin-bottom: 7px; }
.source-panel p { font-size: 12px; color: var(--muted); }
.source-download { min-width: 220px; max-width: 320px; width: 100%; }
.guide-section { background: var(--soft); border-block: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px; list-style: none; margin: 40px 0; padding: 0; }
.step-number { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid #a8baa1; border-radius: 50%; font: 600 14px/1 system-ui, sans-serif; margin-bottom: 18px; }
.steps h3 { font-size: 19px; margin-bottom: 12px; }
.steps p { color: var(--muted); font-size: 14px; margin-top: 10px; }
.notice { padding: 22px 25px; border: 1px solid #d6c79f; border-radius: 12px; background: #fcf6e5; color: #50472e; margin-block: 18px; font-size: 14px; }
.notice h3 { font-size: 17px; }
.notice p { margin-top: 12px; }
.notice details { margin-top: 14px; }
summary { cursor: pointer; }
summary:hover { text-decoration: underline; text-underline-offset: 4px; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; background: #fffdf7; padding: 12px; border: 1px solid #ded7c3; border-radius: 6px; font-size: 12px; }
.unattended { display: grid; grid-template-columns: 1fr 1.2fr; gap: 90px; }
.section-intro { color: var(--muted); font-size: 15px; margin-block: 20px; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 0 0 22px 28px; margin-bottom: 22px; border-bottom: 1px solid var(--border); position: relative; }
.checklist li::before { content: ""; width: 8px; height: 8px; border: 2px solid #648757; border-radius: 50%; position: absolute; top: 8px; left: 0; }
.checklist li:last-child { margin-bottom: 0; padding-bottom: 0; border: 0; }
.checklist strong { display: block; font-size: 16px; margin-bottom: 7px; }
.checklist span { display: block; font-size: 14px; color: var(--muted); }
.faq-section { background: #f5f5ee; border-block: 1px solid var(--border); }
.faq-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; }
.faq-list details { border-top: 1px solid #cfd9ca; padding-block: 19px; }
.faq-list details:last-child { border-bottom: 1px solid #cfd9ca; }
.faq-list summary { font-weight: 650; font-size: 15px; padding-right: 8px; }
.faq-list p { color: var(--muted); font-size: 14px; margin-top: 14px; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 25px; padding-block: 40px 28px; }
.site-footer .brand { font-size: 19px; }
.site-footer p { font-size: 12px; color: var(--muted); margin-top: 10px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; font-size: 12px; }
.site-footer .attribution { flex-basis: 100%; border-top: 1px solid var(--border); padding-top: 22px; font-size: 11px; }
@media (max-width: 1000px) {
  .hero { gap: 28px; padding-block: 65px; }
  .device-screen { height: 115px; }
  .device-front .device-screen img { width: 60px; height: 60px; }
  .download-card { padding-inline: 18px; }
  .download-card h3 span { display: block; }
  .unattended { gap: 45px; }
  .faq-layout { gap: 35px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .header-inner { flex-wrap: wrap; justify-content: center; gap: 10px; padding-block: 18px 12px; }
  .brand { font-size: 21px; }
  nav { justify-content: center; gap: 24px; width: 100%; font-size: 13px; }
  nav .nav-download { padding: 7px 12px; }
  .hero { grid-template-columns: 1fr; padding-block: 48px; gap: 35px; }
  h1 { font-size: clamp(31px, 7vw, 43px); }
  .hero-description { font-size: 16px; }
  .connection-art { width: 100%; max-width: 480px; justify-self: center; aspect-ratio: 1.4; }
  .device-screen { height: 120px; }
  .art-caption { top: 18px; left: 22px; font-size: 8px; }
  .principles { grid-template-columns: 1fr; gap: 19px; }
  .principles > div { gap: 18px; }
  .section { padding-block: 48px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section-heading > p { margin-top: 15px; }
  .section-heading > p br { display: none; }
  .download-grid { grid-template-columns: 1fr; }
  .download-card { padding: 25px; }
  .download-card h3 span { display: inline; }
  .platform-icon { margin-bottom: 18px; }
  .platform-description { margin-block: 12px 22px; }
  .release-bar { align-items: flex-start; flex-direction: column; padding: 16px; }
  .source-panel { flex-direction: column; gap: 16px; }
  .source-download { max-width: none; min-width: 0; }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step-number { margin-bottom: 12px; }
  .notice { padding: 20px; }
  .unattended, .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .faq-layout .section-intro br { display: none; }
  .footer-links { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media (forced-colors: active) {
  .button, .platform-icon, .download-card, .release-bar { border: 1px solid ButtonText; }
  .connection-art { display: none; }
}