:root {
  --c-bg: #F6F9FC;
  --c-panel: #FFFFFF;
  --c-panel-2: #EDF2F7;
  --c-border: #DDE5EC;
  --c-accent: #3F9F4A;
  --c-accent-hover: #388E42;
  --c-accent-dark: #16756F;
  --c-accent-dark-hover: #12655F;
  --c-text: #26323D;
  --c-muted: #5F6C78;
  --c-faint: #7D8994;
  --c-line: #B8C4CE;
  --c-success: #3F9F4A;
  --c-warn: #C68A1E;
  --c-error: #C4473C;
  --c-on-accent: #FFFFFF;
  --c-accent-soft: #E8F4E9;
  --c-teal-soft: #E2EFEE;
  --c-accent-wash: rgba(63, 159, 74, 0.05);
  --c-accent-wash-0: rgba(63, 159, 74, 0);
  --c-glow: rgba(255, 255, 255, 0.95);
  --c-glow-0: rgba(255, 255, 255, 0);
  --c-focus: #16756F;
  --c-clear: transparent;
  --c-veil: rgba(38, 50, 61, 0.24);
  --sh-bar: 0 1px 2px rgba(38, 50, 61, 0.03), 0 4px 14px rgba(38, 50, 61, 0.035);
  --sh-card: 0 1px 2px rgba(38, 50, 61, 0.04), 0 8px 26px rgba(38, 50, 61, 0.055);
  --sh-card-hover: 0 1px 2px rgba(38, 50, 61, 0.05), 0 12px 32px rgba(38, 50, 61, 0.075);
  --sh-btn: 0 1px 2px rgba(38, 50, 61, 0.08);
  --r-ctl: 6px;
  --r-card: 8px;
  --r-pill: 999px;
  --f-display: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Hiragino Kaku Gothic ProN', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --f-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Hiragino Kaku Gothic ProN', 'Meiryo', 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;
  --gutter: 32px;
  --bar-h: 68px;
  --space-section: 96px;
  --motion-quick: 0.18s;
  --motion-reveal: 0.7s;
  --ease-entry: cubic-bezier(0.2, 0.7, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--bar-h) + 24px); }
html.nav-open { overflow: hidden; }
body { margin: 0; background: var(--c-bg); color: var(--c-text); font-family: var(--f-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
[hidden] { display: none !important; }
img, svg { max-width: 100%; vertical-align: middle; }
img { height: auto; }
button, input, select, textarea { font: inherit; }
button, summary { cursor: pointer; }
a { color: inherit; text-underline-offset: 0.2em; }
button { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 400; text-wrap: balance; }
h1 { font-size: clamp(34px, 3.5vw, 48px); line-height: 1.14; letter-spacing: -0.005em; }
h2 { font-size: clamp(24px, 2.5vw, 32px); line-height: 1.3; }
h3 { font-size: 22px; line-height: 1.4; }
p { margin-top: 0; }
strong { font-weight: 500; }
code, pre, kbd { font-family: var(--f-mono); }
code { overflow-wrap: anywhere; font-size: 0.9em; }
pre { max-width: 100%; overflow-x: auto; padding: 20px; background: var(--c-panel-2); color: var(--c-text); border: 1px solid var(--c-border); border-radius: var(--r-ctl); }
pre code { overflow-wrap: normal; white-space: pre; }
:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 2px; border-radius: var(--r-ctl); }
::selection { background: var(--c-teal-soft); color: var(--c-text); }
.shell, .wrap { width: 100%; max-width: 1296px; margin-inline: auto; padding-inline: var(--gutter); }
.reading { max-width: 880px; }
.section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.section + .section { padding-top: 0; }
.grid { display: grid; gap: 24px; }
.grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid > *, .lead__grid > *, .forks > *, .footer__grid > *, .feature-row > * { min-width: 0; }
.nowrap { white-space: nowrap; }
.muted { color: var(--c-muted); }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -80px; padding: 8px 14px; background: var(--c-panel); color: var(--c-text); border: 1px solid var(--c-border); border-radius: var(--r-ctl); font-size: 14px; z-index: 100; text-decoration: none; }
.skip:focus { top: 12px; }
.topbar, #site-header { position: sticky; top: 0; z-index: 40; background: var(--c-panel); color: var(--c-text); border-bottom: 1px solid var(--c-border); box-shadow: var(--sh-bar); }
.topbar__row { position: relative; min-height: var(--bar-h); display: flex; align-items: center; gap: 20px; width: 100%; max-width: min(100%, calc(1280px + var(--gutter) * 2)); margin-inline: auto; padding-inline: var(--gutter); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--c-text); flex-shrink: 0; }
.brand__mark { width: 32px; height: 32px; display: block; flex-shrink: 0; }
.brand__name { font-family: var(--f-display); font-size: 17px; font-weight: 500; letter-spacing: 0.01em; }
.mainnav { margin-left: auto; min-width: 0; }
.mainnav ul { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; gap: 4px; }
.mainnav a { display: block; padding: 7px 16px; border-radius: var(--r-pill); font-size: 15px; line-height: 1.5; color: var(--c-muted); text-decoration: none; white-space: nowrap; }
.mainnav a:hover { color: var(--c-text); background: var(--c-panel-2); }
.mainnav a[aria-current="page"], .drawer a[aria-current="page"] { color: var(--c-accent-dark); background: var(--c-accent-soft); }
.header-tools { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.topbar__rule { width: 1px; height: 22px; background: var(--c-border); flex-shrink: 0; }
.language { position: relative; }
.langpick { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 7px 10px; border: 0; border-radius: var(--r-ctl); background: var(--c-clear); font-family: var(--f-body); font-size: 14.5px; color: var(--c-muted); cursor: pointer; flex-shrink: 0; white-space: nowrap; }
.langpick:hover { color: var(--c-text); background: var(--c-panel-2); }
.langpick svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; flex-shrink: 0; }
.langpick__caret { font-size: 11px; }
.langpick__short { display: none; }
.language__list { position: absolute; right: 0; top: calc(100% + 8px); width: 190px; padding: 6px; margin: 0; list-style: none; border: 1px solid var(--c-border); border-radius: var(--r-card); background: var(--c-panel); color: var(--c-text); box-shadow: var(--sh-card); z-index: 3; }
.language__list a { display: block; min-height: 44px; padding: 10px 12px; text-decoration: none; border-radius: var(--r-ctl); }
.language__list a:hover, .language__list a[aria-current] { background: var(--c-accent-soft); color: var(--c-accent-dark); }
.hamburger { display: none; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 10px; border: 1px solid var(--c-border); border-radius: var(--r-ctl); background: var(--c-panel); color: var(--c-text); }
.hamburger svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.drawer { display: none; }
.nav-veil { position: fixed; inset: var(--bar-h) 0 0; z-index: 30; background: var(--c-veil); color: var(--c-text); border: 0; width: 100%; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: var(--r-ctl); font-family: var(--f-body); text-decoration: none; white-space: nowrap; border: 1px solid var(--c-clear); transition: transform var(--motion-quick) ease; cursor: pointer; max-width: 100%; }
.btn:hover, .btn.is-hover { transform: translateY(-1px); }
.btn--lg { min-height: 48px; padding: 10px 26px; font-size: 16px; }
.btn--sm { min-height: 40px; min-width: 188px; padding: 8px 22px; font-size: 14.5px; }
.btn--green { background: var(--c-accent); color: var(--c-on-accent); box-shadow: var(--sh-btn); }
.btn--green:hover, .btn--green.is-hover { background: var(--c-accent-hover); color: var(--c-on-accent); }
.btn--teal { background: var(--c-accent-dark); color: var(--c-on-accent); box-shadow: var(--sh-btn); }
.btn--teal:hover { background: var(--c-accent-dark-hover); color: var(--c-on-accent); }
.btn--ghost { background: var(--c-panel); color: var(--c-text); border-color: var(--c-border); box-shadow: var(--sh-btn); }
.btn--ghost:hover { border-color: var(--c-line); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--c-panel-2); color: var(--c-muted); border-color: var(--c-border); box-shadow: none; cursor: not-allowed; transform: none; }
.btn.is-focus { outline: 2px solid var(--c-focus); outline-offset: 3px; }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.textlink { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 14px; color: var(--c-muted); text-decoration: none; }
.textlink:hover { color: var(--c-accent-dark); }
.textlink__arrow { display: inline-block; transition: transform var(--motion-quick) ease; }
.textlink:hover .textlink__arrow { transform: translateX(3px); }
.card, .panel { padding: 28px; background: var(--c-panel); color: var(--c-text); border: 1px solid var(--c-border); border-radius: var(--r-card); box-shadow: var(--sh-card); min-width: 0; }
.card h3 { margin-top: 0; }
.panel--quiet { background: var(--c-panel-2); color: var(--c-text); box-shadow: none; }
.lead { position: relative; overflow-x: clip; display: flex; align-items: center; min-height: max(720px, calc(100vh - var(--bar-h) - 44px)); padding-top: 56px; padding-bottom: 56px; }
.lead::before { content: ""; position: absolute; left: -16%; bottom: -38%; width: 74%; height: 112%; background: radial-gradient(closest-side, var(--c-glow), var(--c-glow-0)); pointer-events: none; }
.lead__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 440px; gap: 80px; align-items: center; }
.forks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.forkcard { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 26px 24px 24px; background: linear-gradient(to top, var(--c-accent-wash), var(--c-accent-wash-0) 54%), var(--c-panel); color: var(--c-text); border: 1px solid var(--c-border); border-radius: var(--r-card); box-shadow: var(--sh-card); animation: rise var(--motion-reveal) var(--ease-entry) both; }
.forkcard + .forkcard { animation-delay: 0.12s; }
.forkcard:hover { box-shadow: var(--sh-card-hover); }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.tagpill { display: inline-block; max-width: 100%; padding: 4px 14px; border-radius: var(--r-pill); font-size: 12px; line-height: 1.5; letter-spacing: 0.14em; overflow-wrap: anywhere; color: inherit; text-decoration: none; cursor: pointer; }
.tagpill--green { background: var(--c-accent-soft); color: var(--c-accent-dark); }
.tagpill--grey { background: var(--c-panel-2); color: var(--c-muted); }
.route { display: block; width: 100%; max-width: 300px; height: auto; margin: 14px auto 4px; }
.route__dash { fill: none; stroke: var(--c-line); stroke-width: 1.6; stroke-dasharray: 4 5; stroke-linecap: round; }
.route__pad--green { fill: var(--c-accent-soft); }
.route__pad--mint { fill: var(--c-teal-soft); }
.route__pad--teal { fill: var(--c-accent-dark); }
.route__pad--grey { fill: var(--c-panel-2); }
.route__laptop-screen { fill: var(--c-panel); stroke: var(--c-accent); stroke-width: 2; stroke-linejoin: round; }
.route__laptop-base, .bcn__a { fill: var(--c-accent); }
.route__laptop-shine { fill: var(--c-accent-soft); }
.route__phone-body { fill: var(--c-panel); stroke: var(--c-accent-dark); stroke-width: 2; }
.route__phone-key { fill: none; stroke: var(--c-accent-dark); stroke-width: 2; stroke-linecap: round; }
.route__phone-shine { fill: var(--c-teal-soft); }
.bcn__halo { fill: none; stroke: var(--c-border); stroke-width: 1; }
.bcn__b { fill: var(--c-accent-dark); }
.bcn__glyph path { fill: none; stroke: var(--c-on-accent); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.bcn__glyph circle { fill: var(--c-on-accent); }
.route__globe circle, .route__globe ellipse, .route__globe path { fill: none; stroke: var(--c-on-accent); stroke-width: 1.6; stroke-linecap: round; }
.route__lan rect { fill: var(--c-panel); stroke: var(--c-muted); stroke-width: 1.6; }
.route__lan path { fill: none; stroke: var(--c-muted); stroke-width: 1.6; stroke-linecap: round; }
.route__lbl { font-family: var(--f-body); font-size: 11.5px; fill: var(--c-muted); }
.route__lbl--mono { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.02em; }
.forkcard__name { margin: 8px 0 6px; font-family: var(--f-display); font-size: 22px; font-weight: 400; line-height: 1.3; }
.forkcard__name--green { color: var(--c-accent-dark); }
.forkcard__name--teal { color: var(--c-accent-dark); }
.forkcard__desc { margin: 0 0 20px; font-size: 14px; line-height: 1.7; color: var(--c-muted); }
.lead__copy { position: relative; }
.badge { display: inline-flex; align-items: center; gap: 10px; max-width: 100%; margin: 0 0 24px; padding: 6px 15px 6px 12px; border-radius: var(--r-pill); background: var(--c-accent-soft); color: var(--c-accent-dark); font-size: 13.5px; line-height: 1.5; letter-spacing: 0.02em; }
.badge__dot { position: relative; width: 8px; height: 8px; border-radius: var(--r-pill); background: var(--c-accent); flex-shrink: 0; }
.badge__dot::after { content: ""; position: absolute; inset: 0; border-radius: var(--r-pill); background: var(--c-accent); animation: breathe 2.6s ease-out infinite; }
@keyframes breathe { 0% { transform: scale(1); opacity: 0.5; } 70%, 100% { transform: scale(2.6); opacity: 0; } }
.lead__title { margin: 0; font-size: clamp(30px, 1.6vw + 25px, 48px); line-height: 1.14; letter-spacing: -0.005em; color: var(--c-text); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.lead__desc { margin: 26px 0 0; max-width: 27em; font-size: 16.5px; line-height: 1.75; color: var(--c-muted); }
.lead__desc strong { color: var(--c-text); font-weight: 500; }
.facts { display: flex; align-items: center; gap: 14px; margin-top: 26px; }
.facts__key { flex-shrink: 0; width: 28px; font-size: 12.5px; letter-spacing: 0.1em; color: var(--c-muted); }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 4px 11px; border: 1px solid var(--c-border); border-radius: var(--r-pill); background: var(--c-panel); font-family: var(--f-mono); font-size: 12px; line-height: 1.5; color: var(--c-text); }
.facts--plat { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--c-border); }
.plats { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.plat { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; line-height: 1.5; color: var(--c-muted); text-decoration: none; }
.plat:hover { color: var(--c-accent-dark); }
.plat svg { width: 16px; height: 16px; display: block; flex-shrink: 0; fill: currentColor; }
.plat svg.plat__tux { width: 15px; height: 17px; }
.peek { padding-bottom: 96px; text-align: center; }
.peek__eyebrow { margin: 0 0 10px; font-size: 13px; letter-spacing: 0.16em; color: var(--c-accent-dark); }
.peek__title { margin: 0; font-size: 30px; line-height: 1.3; }
.peek__text { margin: 14px auto 0; max-width: 34em; font-size: 16px; color: var(--c-muted); }
.prose { min-width: 0; line-height: 1.85; }
.prose h2 { margin-top: 2.5em; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose li { overflow-wrap: break-word; }
.prose a { color: var(--c-accent-dark); }
.prose img { display: block; margin-inline: auto; }
.reveal { opacity: 1; }
.reveal.is-waiting { opacity: 0; transform: translateY(14px); transition: opacity var(--motion-reveal) ease, transform var(--motion-reveal) var(--ease-entry); }
.reveal.shown { opacity: 1; transform: none; }
.footer { padding-top: 64px; padding-bottom: 28px; border-top: 1px solid var(--c-border); background: var(--c-panel); color: var(--c-text); }
.footer__grid { display: grid; grid-template-columns: 1.25fr 0.8fr 1.3fr 0.7fr; gap: 40px; }
.footer__intro { margin: 20px 0 0; max-width: 25em; color: var(--c-muted); font-size: 14px; }
.footer__heading { margin: 0 0 16px; font-size: 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li + li { margin-top: 9px; }
.footer li a { font-size: 14px; text-decoration: none; color: var(--c-muted); }
.footer li a:hover { color: var(--c-accent-dark); text-decoration: underline; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--c-border); color: var(--c-muted); font-size: 13px; }
.footer__legal { display: flex; flex-wrap: wrap; gap: 20px; }
@media (max-width: 1279px) {
  .mainnav { display: none; }
  .header-tools { margin-left: auto; }
  .hamburger { display: inline-flex; }
  .drawer { position: absolute; inset: 100% 0 auto; padding: 16px var(--gutter) 24px; max-height: calc(100dvh - var(--bar-h)); overflow-y: auto; overscroll-behavior: contain; background: var(--c-panel); color: var(--c-text); border-bottom: 1px solid var(--c-border); box-shadow: var(--sh-card); }
  .drawer:not([hidden]) { display: block; }
  .drawer ul { list-style: none; padding: 0; margin: 0; }
  .drawer a { display: flex; align-items: center; width: 100%; min-height: 44px; padding: 11px 16px; text-decoration: none; border-radius: var(--r-ctl); color: var(--c-muted); }
  .drawer a:hover { background: var(--c-panel-2); color: var(--c-text); }
  .drawer__languages { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--c-border); }
}
@media (max-width: 1100px) {
  .lead { min-height: 0; padding-top: 56px; padding-bottom: 80px; }
  .lead__grid { grid-template-columns: 1fr; gap: 52px; }
  .lead__copy { order: -1; max-width: 560px; margin-inline: auto; text-align: center; }
  .cta, .facts, .chips, .plats { justify-content: center; }
  .lead__desc { margin-inline: auto; }
  .facts__key { width: auto; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  h1, .lead__title { font-size: 28px; }
  .grid--three { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  :root { --gutter: 20px; --space-section: 64px; }
  .forks, .grid--two { grid-template-columns: 1fr; }
  .cta { flex-direction: column; }
  .btn--lg { width: 100%; }
  .facts { flex-direction: column; gap: 10px; }
  .chips, .plats { flex-direction: row; flex-wrap: wrap; }
  .peek__title { font-size: 24px; }
}
@media (max-width: 640px) {
  .tilt, [data-tilt] { transform: none !important; }
  .topbar__row { gap: 8px; }
  .header-tools { margin-left: auto; gap: 4px; }
  .topbar__rule { display: none; }
  .langpick__full { display: none; }
  .langpick__short { display: inline; }
  .brand__name { min-width: 0; font-size: 15px; letter-spacing: 0; overflow-wrap: anywhere; }
  .brand { min-width: 0; flex-shrink: 1; gap: 8px; }
  .card, .panel { padding: 22px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 359px) {
  :root { --gutter: 16px; }
  .brand__mark { width: 28px; height: 28px; }
  .brand__name { font-size: 13px; }
  .langpick { padding-inline: 6px; }
  .langpick svg { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .forkcard, .badge__dot::after { animation: none; }
  .reveal.is-waiting { opacity: 1; transform: none; }
  .btn, .textlink__arrow, .reveal { transition: none; }
  .btn:hover, .textlink:hover .textlink__arrow { transform: none; }
}