@font-face {
  font-family: "Lexend";
  src: url("/landing/go-20261020/assets/lexend.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("/landing/go-20261020/assets/inter.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --background: #111722;
  --foreground: #f7f8fb;
  --card: #1d232d;
  --secondary: #242c39;
  --primary: #4a6cf7;
  --primary-foreground: #fff;
  --muted-foreground: #a5adbb;
  --border: #2e3643;
  --destructive: #ff8a8f;
  --warning: #f7c873;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Lexend", "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; scrollbar-color: #4a5568 var(--background); }
body { background: var(--background); color: var(--foreground); font-family: var(--font-sans); font-size: 16px; line-height: 1.65; }
::selection { background: #4a6cf7; color: #fff; }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button, input, select { color: inherit; }
button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible { outline: 3px solid #a6b7ff; outline-offset: 5px; }
input { caret-color: #a6b7ff; }
img, svg { display: block; }
h1, h2, h3, .font-display { font-family: var(--font-display); font-weight: 600; letter-spacing: -.025em; }
.font-mono { font-family: var(--font-mono); }
.text-primary { color: #9badff; }
.text-muted-foreground { color: var(--muted-foreground); }
.text-destructive { color: var(--destructive); }
.text-warning { color: var(--warning); }
.container { width: calc(100% - 48px); max-width: 1272px; margin-inline: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font: 500 14px/1.5 var(--font-display);
  text-align: center;
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.btn-primary { background: #4666ef; color: var(--primary-foreground); }
.btn-primary:hover { background: #3d5de0; box-shadow: 0 8px 20px rgb(0 0 0 / 18%); }
.btn-outline { border-color: #465163; background: transparent; color: var(--foreground); }
.btn-outline:hover { border-color: #8a9aca; background: #202b3c; }
.btn-hero { min-height: 54px; padding: 14px 28px; font-size: 16px; }

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--background);
  border-bottom: 1px solid rgb(255 255 255 / 5%);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 96px; }
.site-brand, .site-footer-brand { display: inline-flex; align-items: center; gap: 12px; font: 600 21px/1.3 var(--font-display); letter-spacing: -.025em; }
.site-brand { flex-shrink: 0; }
.site-brand img, .site-footer-brand img { width: 36px; height: 50px; object-fit: contain; flex-shrink: 0; }
.site-navigation { display: flex; flex: 1; align-items: center; justify-content: flex-end; gap: 40px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 500; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; color: #c2c7d0; transition: color 180ms ease; }
.nav-links a:hover { color: #fff; }
.header-actions { display: flex; gap: 12px; }
.header-actions .btn { white-space: nowrap; }
.nav-toggle { display: none; align-items: center; justify-content: center; width: 44px; height: 44px; flex-shrink: 0; border: 1px solid var(--border); border-radius: 4px; background: var(--card); }
.nav-toggle svg { width: 23px; height: 23px; }

.hero { position: relative; isolation: isolate; padding: 90px 0 112px; }
.hero::before {
  content: "";
  position: absolute;
  inset: -96px 0 -80px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse 50% 64% at 85% 25%, rgb(74 108 247 / 12%), transparent 72%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-copy { max-width: 570px; min-width: 0; }
.hero-badge { display: block; color: #b0bfff; font-size: 12px; font-weight: 500; line-height: 1.7; margin-bottom: 24px; }
.hero-title { font-size: clamp(38px, 3.6vw, 50px); line-height: 1.2; letter-spacing: -.035em; margin-bottom: 24px; }
.text-gradient { color: #a7b7ff; }
.hero-desc { max-width: 550px; margin-bottom: 32px; font-size: 17px; line-height: 1.8; color: var(--muted-foreground); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.hero-benefits { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px; font-size: 12px; line-height: 1.7; color: #b4bccb; }
.hero-visual { position: relative; isolation: isolate; min-width: 0; padding: 42px 0 34px 22px; }
.hero-visual::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0 20px 0 54px;
  background: #263658;
  border-radius: 4px;
}
.hero-visual::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 48%;
  height: 42%;
  right: -16px;
  bottom: -2px;
  background: var(--primary);
  border-radius: 4px;
}
.traffic-card {
  position: relative;
  min-width: 0;
  padding: 26px;
  background: var(--card);
  border-radius: 6px;
  box-shadow: 0 24px 54px rgb(0 0 0 / 24%);
}
.traffic-caption { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; padding-bottom: 22px; font: 400 12px/1.6 var(--font-mono); color: #c3cbd8; }
.traffic-caption > span:first-child { max-width: 100%; overflow-wrap: anywhere; }
.traffic-caption > span:last-child { flex-shrink: 0; color: #9badff; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding-bottom: 24px; }
.stat-box { min-width: 0; }
.stat-box + .stat-box { border-left: 1px solid var(--border); padding-left: 16px; }
.stat-val { font: 600 24px/1.5 var(--font-display); letter-spacing: -.035em; font-variant-numeric: tabular-nums; }
.stat-lbl { margin-top: 3px; font-size: 12px; line-height: 1.5; color: var(--muted-foreground); }
.log-row { display: grid; grid-template-columns: max-content minmax(0, 1fr) max-content; align-items: start; gap: 12px; padding: 15px 0; border-top: 1px solid var(--border); font: 400 12px/1.8 var(--font-mono); }
.log-row:last-child { padding-bottom: 0; }
.log-row > span:first-child { font-weight: 600; color: #e6e9ef; }
.log-row > span:nth-child(2) { color: var(--muted-foreground); overflow-wrap: anywhere; }
.log-row > span:last-child { text-align: right; font-weight: 600; }

.platform-strip { overflow: hidden; border-block: 1px solid var(--border); padding: 26px 0; }
.marquee { display: flex; width: max-content; gap: 48px; color: #a5adbb; font-size: 16px; font-weight: 500; animation: marquee 42s linear infinite; }
.marquee span { white-space: nowrap; }
.platform-strip:hover .marquee { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

#features, #simulator, #how, #faq { padding: 116px 0; }
.section-label { margin-bottom: 16px; font-size: 13px; font-weight: 600; line-height: 1.6; color: #a7b7ff; text-align: center; }
section > .container > h2 { max-width: 770px; margin-inline: auto; text-align: center; font-size: clamp(32px, 3.6vw, 50px); line-height: 1.2; font-weight: 600; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px 48px; margin-top: 64px; }
.feat-card { position: relative; min-width: 0; text-align: center; }
.feature-icon { display: flex; align-items: center; justify-content: center; width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%; background: rgb(74 108 247 / 12%); color: #9badff; }
.feature-icon svg { width: 32px; height: 32px; }
.feat-num { color: #929db2; font: 500 12px/1.5 var(--font-mono); }
.feat-title { margin: 12px auto 14px; font-size: 20px; line-height: 1.5; }
.feat-desc { max-width: 350px; margin-inline: auto; color: var(--muted-foreground); font-size: 15px; line-height: 1.8; }

#simulator { background: #151c28; border-block: 1px solid var(--border); }
.simulator-panel { max-width: 1080px; margin: 56px auto 0; }
.simulator-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 20px; align-items: stretch; }
.simulator-controls { min-width: 0; padding: 32px; border: 1px solid #343e50; border-radius: 12px; background: #1b2330; }
.simulator-controls label { display: block; margin-bottom: 9px; color: #d8dfec; font-size: 12px; font-weight: 600; letter-spacing: .02em; }
.simulator-controls input { display: block; width: 100%; height: 52px; min-width: 0; padding: 0 14px; margin-bottom: 22px; border: 1px solid #465162; border-radius: 8px; background: #151c28; font: 400 13px/1.6 var(--font-mono); transition: border-color 180ms ease; }
.simulator-controls input:hover { border-color: #8291b0; }
.simulator-controls input:focus { border-color: #9badff; }
.simulator-presets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 4px 0 24px; }
.simulator-presets .btn { display: flex; flex-direction: column; gap: 9px; min-height: 94px; min-width: 0; padding: 14px 8px; border-color: #3b4659; border-radius: 8px; background: #1e293a; color: #c8d1e2; font: 500 13px/1.45 var(--font-sans); overflow-wrap: anywhere; }
.simulator-presets .btn svg { width: 22px; height: 22px; flex-shrink: 0; color: #9caecc; }
.simulator-presets .btn:hover { border-color: #8097d5; background: #26334b; }
.simulator-presets .btn[aria-pressed="true"] { border-color: #7d98ff; background: #293b66; color: #f2f5ff; }
.simulator-presets .btn[aria-pressed="true"] svg { color: #b6c5ff; }
.simulator-controls > .btn { width: 100%; min-height: 52px; border-radius: 8px; font-size: 15px; padding: 14px 24px; }
.simulator-result { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 36px; border: 1px solid #3b3d50; border-radius: 12px; background: #1e2532; }
.simulator-result-label { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-size: 12px; font-weight: 600; letter-spacing: .03em; color: #bac5dc; }
.simulator-status-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px; background: #3a2937; color: #ff9da7; }
.simulator-status-icon svg { width: 22px; height: 22px; }
.simulator-target-icon { display: none; }
.simulator-result[data-decision="target"] { border-color: #354d49; }
.simulator-result[data-decision="target"] .simulator-status-icon { background: #233c37; color: #8cdec3; }
.simulator-result[data-decision="target"] .simulator-safe-icon { display: none; }
.simulator-result[data-decision="target"] .simulator-target-icon { display: block; }
#sim-html-decision { margin-bottom: 16px; color: var(--destructive); font-size: 27px; line-height: 1.4; overflow-wrap: anywhere; }
#sim-html-detail { color: #b9c3d5; font-size: 15px; line-height: 1.9; }

#how .features-grid { gap: 48px; }
#how .features-grid > div { text-align: center; }
#how .features-grid .font-display { margin-bottom: 14px; color: #9badff; font-size: 48px; line-height: 1.2; }
#how h3 { font-size: 21px; line-height: 1.5; margin-bottom: 14px; }
#how .features-grid p { max-width: 350px; margin-inline: auto; font-size: 15px; color: var(--muted-foreground); line-height: 1.8; }

#faq { padding-top: 20px; }
#faq .container { max-width: 920px; }
#faq h2 { margin-bottom: 48px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-btn { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; padding: 25px 0; border: 0; background: none; text-align: left; font: 500 18px/1.6 var(--font-display); }
.faq-btn:hover { color: #b8c5ff; }
.faq-btn .font-mono { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; font-size: 24px; color: #a7b7ff; }
.faq-content { display: none; max-width: 780px; padding: 0 48px 26px 0; color: var(--muted-foreground); font-size: 15px; line-height: 1.9; }
.faq-item.active .faq-content { display: block; }

.site-footer { border-top: 1px solid var(--border); background: #151c28; }
.site-footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 80px; padding-top: 72px; padding-bottom: 64px; }
.site-footer-brand { font-size: 21px; }
.site-footer-description { max-width: 380px; margin-top: 24px; font-size: 15px; line-height: 1.85; color: var(--muted-foreground); }
.site-footer-column h2 { margin: 8px 0 24px; font-size: 18px; font-weight: 500; }
.site-footer-links { display: grid; gap: 4px; }
.site-footer-links a { display: inline-flex; align-items: center; min-height: 40px; width: fit-content; color: var(--muted-foreground); font-size: 14px; }
.site-footer-links a:hover { color: #fff; }
.site-footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 24px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted-foreground); }
.landing-language { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.landing-language select { min-height: 44px; width: 144px; max-width: 100%; padding: 8px 12px; border: 1px solid #465162; border-radius: 4px; background: var(--card); font: 400 13px/1.5 var(--font-sans); cursor: pointer; }
.landing-language select:hover { border-color: #9badff; }
.landing-language select:disabled { opacity: .55; cursor: default; }
.landing-language-status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

@media (max-width: 1199px) {
  .header-inner { gap: 20px; }
  .site-brand { font-size: 18px; }
  .site-navigation { gap: 24px; }
  .nav-links { gap: 20px; font-size: 13px; }
  .header-actions .btn { padding-inline: 16px; font-size: 12px; }
  .hero-grid { gap: 32px; }
  .hero-title { font-size: 43px; }
  .hero-desc { font-size: 16px; }
  .traffic-card { padding: 22px; }
  .traffic-caption { font-size: 12px; }
  .log-row { grid-template-columns: max-content minmax(0, 1fr) max-content; gap: 8px; font-size: 12px; }
  .stat-val { font-size: 21px; }
  .stat-box + .stat-box { padding-left: 12px; }
  .features-grid { gap: 48px 30px; }
}

@media (max-width: 1023px) {
  .header-inner { position: relative; flex-wrap: wrap; gap: 0; min-height: 84px; padding-block: 16px; }
  .site-brand { font-size: 21px; }
  .nav-toggle { display: inline-flex; }
  .site-navigation { display: none; flex: 0 0 100%; align-items: stretch; gap: 20px; padding: 20px 0 8px; }
  .site-navigation.is-open { display: flex; flex-direction: column; }
  .nav-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; font-size: 15px; }
  .header-actions .btn { padding-inline: 24px; font-size: 14px; }
  .hero { padding: 68px 0 88px; }
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero-copy { max-width: 680px; }
  .hero-title { max-width: 680px; font-size: 50px; }
  .hero-desc { max-width: 620px; font-size: 17px; }
  .hero-visual { width: min(100%, 640px); justify-self: center; padding-right: 22px; }
  .hero-visual::after { right: 0; }
  .traffic-card { padding: 28px; }
  .traffic-caption { font-size: 12px; }
  .stat-val { font-size: 28px; }
  .stat-lbl { font-size: 12px; }
  .log-row { grid-template-columns: 105px minmax(0, 1fr) 86px; gap: 14px; font-size: 12px; }
  #features, #simulator, #how, #faq { padding: 80px 0; }
  section > .container > h2 { font-size: 40px; }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #how .features-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .simulator-controls, .simulator-result { padding: 28px; }
  .simulator-grid { grid-template-columns: 1fr 1fr; }
  #sim-html-decision { font-size: 24px; }
  #faq { padding-top: 0; }
  .site-footer-main { gap: 40px; grid-template-columns: 1.5fr 1fr 1fr; }
  .site-footer-brand { font-size: 18px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 94px; }
  .container { width: calc(100% - 40px); }
  .site-brand { max-width: calc(100% - 60px); font-size: 18px; gap: 10px; }
  .site-brand img, .site-footer-brand img { width: 29px; height: 40px; }
  .site-brand > span { max-width: 220px; }
  .header-actions { gap: 10px; }
  .header-actions .btn { flex: 1; min-width: 0; padding-inline: 12px; }
  .hero { padding: 48px 0 70px; }
  .hero-grid { gap: 40px; }
  .hero-badge { margin-bottom: 20px; font-size: 11px; }
  .hero-title { font-size: clamp(34px, 8.8vw, 44px); line-height: 1.22; margin-bottom: 22px; }
  .hero-desc { font-size: 15px; line-height: 1.9; margin-bottom: 28px; }
  .hero-actions { gap: 10px; }
  .btn-hero { min-height: 50px; font-size: 13px; padding: 13px 18px; }
  .hero-benefits { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; font-size: 12px; margin-top: 24px; }
  .hero-visual { padding: 26px 12px 24px 0; }
  .hero-visual::before { inset: 0 30px 0 30px; }
  .hero-visual::after { width: 45%; height: 35%; }
  .traffic-card { padding: 20px; }
  .traffic-caption { font-size: 12px; gap: 6px 8px; padding-bottom: 20px; }
  .grid-3 { gap: 10px; padding-bottom: 20px; }
  .stat-val { font-size: 21px; }
  .stat-lbl { font-size: 12px; }
  .stat-box + .stat-box { padding-left: 10px; }
  .log-row { grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; font-size: 12px; padding-block: 12px; }
  .log-row > span:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .log-row > span:last-child { grid-column: 2; grid-row: 1; }
  .platform-strip { padding-block: 22px; }
  .marquee { font-size: 14px; gap: 32px; }
  #features, #simulator, #how, #faq { padding: 64px 0; }
  .section-label { font-size: 11px; margin-bottom: 14px; }
  section > .container > h2 { font-size: 31px; line-height: 1.3; }
  .features-grid { grid-template-columns: 1fr; gap: 42px; margin-top: 42px; }
  .feature-icon { width: 64px; height: 64px; margin-bottom: 16px; }
  .feature-icon svg { width: 28px; height: 28px; }
  .feat-title { font-size: 20px; margin-bottom: 12px; }
  .feat-desc { max-width: 360px; font-size: 14px; }
  .simulator-panel { margin-top: 36px; }
  .simulator-grid { grid-template-columns: 1fr; }
  .simulator-controls, .simulator-result { padding: 20px; }
  .simulator-controls input { font-size: 12px; }
  .simulator-controls > .btn { width: 100%; }
  .simulator-result { min-height: 0; }
  .simulator-result-label { font-size: 12px; margin-bottom: 18px; gap: 10px; }
  #sim-html-decision { font-size: 24px; }
  #sim-html-detail { font-size: 14px; }
  #how .features-grid { grid-template-columns: 1fr; gap: 42px; }
  #how .features-grid .font-display { font-size: 42px; }
  #how h3 { font-size: 20px; }
  #how .features-grid p { font-size: 14px; }
  #faq { padding-top: 0; }
  #faq h2 { margin-bottom: 32px; }
  .faq-btn { font-size: 16px; gap: 16px; padding-block: 20px; }
  .faq-content { padding-right: 0; padding-bottom: 22px; font-size: 14px; }
  .site-footer-main { grid-template-columns: 1fr 1fr; gap: 36px 24px; padding-block: 48px; }
  .site-footer-intro { grid-column: 1 / -1; }
  .site-footer-brand { font-size: 19px; }
  .site-footer-description { margin-top: 20px; font-size: 14px; }
  .site-footer-column h2 { margin-bottom: 16px; font-size: 16px; }
  .site-footer-bottom { flex-direction: column; align-items: flex-start; gap: 20px; padding-block: 24px; }
}

@media (max-width: 359px) {
  .simulator-presets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .simulator-presets .btn:last-child { grid-column: 1 / -1; min-height: 72px; flex-direction: row; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .platform-strip { overflow-x: auto; }
}