/* Program Bay GEO public marketing home. Dark-only. Not geo-shell. */
:root {
  --gh-bg: #0c0c0e;
  --gh-bg-2: #141416;
  --gh-ink: #f4f4f5;
  --gh-muted: #9a9aa3;
  --gh-line: rgba(255, 255, 255, 0.1);
  --gh-accent: #f2f2f4;
  --gh-on-accent: #111113;
  --gh-font: Pretendard, "Pretendard Variable", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --gh-ease: cubic-bezier(0.32, 0.72, 0, 1);
  --gh-z-nav: 20;
  --gh-z-menu: 24;
  --gh-z-grain: 40;
  --gh-z-toast: 50;
  --gh-max: 1120px;
  --gh-radius-media: 20px;
  --gh-radius-inner: 16px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--gh-bg);
  color-scheme: dark;
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  min-height: 100dvh;
}

body.gh {
  font-family: var(--gh-font);
  background: var(--gh-bg);
  color: var(--gh-ink);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.01em;
}

img { max-width: 100%; height: auto; display: block; }
button, a { font-family: inherit; }
button { cursor: pointer; }

.gh-skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: calc(var(--gh-z-toast) + 1);
  padding: 8px 12px;
  background: var(--gh-accent);
  color: var(--gh-on-accent);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}
.gh-skip:focus { top: 12px; }

.gh-grain {
  position: fixed;
  inset: 0;
  z-index: var(--gh-z-grain);
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a:focus-visible,
button:focus-visible,
.gh-cta:focus-visible {
  outline: 2px solid var(--gh-ink);
  outline-offset: 3px;
}

.gh-nav {
  position: sticky;
  top: 0;
  z-index: var(--gh-z-nav);
  display: flex;
  justify-content: center;
  padding: 14px 16px 0;
  pointer-events: none;
}

.gh-nav-island {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(100%, var(--gh-max));
  height: 56px;
  padding: 6px 10px 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--gh-line);
  background: rgba(20, 20, 22, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

@supports (backdrop-filter: blur(16px)) {
  .gh-nav-island {
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .gh-nav-island { background: #161618; backdrop-filter: none; }
}

.gh-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.gh-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex-shrink: 0;
  display: block;
  background: transparent;
}

.gh-brand-name {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.03em;
  line-height: 1;
}

.gh-nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 2px;
}

.gh-nav-text {
  display: none;
  color: var(--gh-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 10px;
}
.gh-nav-text:hover { color: var(--gh-ink); }
#ghNavLogin { display: inline-flex; }

.gh-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  position: relative;
  margin-left: auto;
}
.gh-menu-btn span {
  position: absolute;
  left: 14px;
  right: 14px;
  height: 1.5px;
  background: var(--gh-ink);
  border-radius: 2px;
  transition: transform 0.35s var(--gh-ease), top 0.35s var(--gh-ease);
}
.gh-menu-btn span:first-child { top: 20px; }
.gh-menu-btn span:last-child { top: 26px; }
.gh-menu-btn.is-open span:first-child { top: 23px; transform: rotate(45deg); }
.gh-menu-btn.is-open span:last-child { top: 23px; transform: rotate(-45deg); }

.gh-menu {
  position: fixed;
  inset: 0;
  z-index: var(--gh-z-menu);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 88px 28px 40px;
  background: rgba(12, 12, 14, 0.92);
}
@supports (backdrop-filter: blur(24px)) {
  .gh-menu {
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
}
.gh-menu[hidden] { display: none; }
.gh-menu a {
  color: var(--gh-ink);
  text-decoration: none;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.03em;
  transform: translateY(12px);
  animation: gh-rise 0.5s var(--gh-ease) both;
}
.gh-menu a:nth-child(2) { animation-delay: 0.05s; }
.gh-menu a:nth-child(3) { animation-delay: 0.1s; }
.gh-menu a:nth-child(4) { animation-delay: 0.15s; }
.gh-menu a:nth-child(5) { animation-delay: 0.2s; }

.gh-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 8px 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--gh-accent);
  color: var(--gh-on-accent);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.28s var(--gh-ease), background 0.28s var(--gh-ease);
}
.gh-cta:hover { background: #fff; }
.gh-cta:active { transform: scale(0.98); }
.gh-cta-ico {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(17, 17, 19, 0.08);
  font-size: 14px;
  transition: transform 0.28s var(--gh-ease);
}
.gh-cta:hover .gh-cta-ico { transform: translate(2px, -1px); }

.gh-hero,
.gh-story,
.gh-faq,
.gh-close,
.gh-foot {
  width: min(100%, var(--gh-max));
  margin-left: auto;
  margin-right: auto;
}

.gh-hero {
  padding: 48px 24px 40px;
}

.gh-kicker {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gh-muted);
}

.gh-hero-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin: 0;
  font-size: clamp(2.15rem, 4.8vw, 4rem);
  font-weight: 720;
  letter-spacing: -0.05em;
  line-height: 1.12;
}

.gh-hero-line {
  display: block;
  text-wrap: balance;
}

.gh-ai-stage {
  display: grid;
  margin: 6px 0 2px;
  min-width: 0;
}

.gh-ai-slide {
  grid-area: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

.gh-ai-slide.is-on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.gh-ai-mark {
  width: clamp(52px, 7vw, 88px);
  height: clamp(52px, 7vw, 88px);
  flex-shrink: 0;
  fill: #fff;
  color: #fff;
}

.gh-ai-name {
  color: #fff;
  font-size: 1em;
  font-weight: 720;
  letter-spacing: -0.05em;
  line-height: 1;
  white-space: nowrap;
}

.gh-hero-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-top: 32px;
}

.gh-lead {
  margin: 0;
  max-width: 34ch;
  color: var(--gh-muted);
  font-size: 16px;
  font-weight: 450;
  line-height: 1.6;
}

.gh-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px 56px;
  align-items: start;
  padding: 56px 24px;
  border-top: 1px solid var(--gh-line);
}

.gh-story-quotes h2,
.gh-faq h2,
.gh-close h2 {
  margin: 0 0 22px;
  font-size: clamp(1.45rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.25;
  text-wrap: balance;
}

.gh-story-quotes blockquote {
  margin: 0;
  padding: 18px 0;
  border: 0;
  border-top: 1px solid var(--gh-line);
}
.gh-story-quotes blockquote:last-child { padding-bottom: 0; }
.gh-story-quotes p {
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.4;
}
.gh-story-quotes footer {
  margin-top: 10px;
  color: var(--gh-muted);
  font-size: 13px;
}

.gh-story-steps {
  list-style: none;
  margin: 0;
  padding: 6px 0 0;
}
.gh-story-steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--gh-line);
}
.gh-story-steps li:last-child { padding-bottom: 0; }
.gh-num {
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  color: var(--gh-muted);
  font-size: 14px;
  padding-top: 3px;
  letter-spacing: 0.04em;
}
.gh-story-steps strong {
  display: block;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.03em;
}
.gh-story-steps p {
  margin: 6px 0 0;
  color: var(--gh-muted);
  font-size: 14.5px;
  line-height: 1.55;
}

.gh-faq {
  padding: 8px 24px 48px;
  border-top: 1px solid var(--gh-line);
}
.gh-faq h2 { margin: 28px 0 8px; }
.gh-faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
}
.gh-faq article {
  padding: 18px 0;
  border-top: 1px solid var(--gh-line);
}
.gh-faq h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.gh-faq p {
  margin: 0;
  max-width: 48ch;
  color: var(--gh-muted);
  font-size: 14.5px;
}

.gh-close {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  padding: 28px 28px;
  border: 1px solid var(--gh-line);
  border-radius: 20px;
  background: var(--gh-bg-2);
}
.gh-close h2 { margin: 0 0 8px; }
.gh-close p {
  margin: 0;
  color: var(--gh-muted);
}

.gh-foot {
  display: grid;
  gap: 14px;
  padding: 24px 24px 48px;
  border-top: 1px solid var(--gh-line);
}
.gh-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.gh-foot-links a {
  color: var(--gh-muted);
  text-decoration: none;
  font-size: 13px;
}
.gh-foot-links a:hover { color: var(--gh-ink); }
.gh-copy {
  margin: 0;
  color: var(--gh-muted);
  font-size: 12px;
}

.gh-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  z-index: var(--gh-z-toast);
  max-width: min(92vw, 420px);
  padding: 12px 16px;
  border-radius: 12px;
  background: #ececf0;
  color: #111113;
  font-size: 13px;
  font-weight: 550;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--gh-ease), transform 0.3s var(--gh-ease);
}
.gh-toast.is-on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .gh-ai-slide {
    transition: opacity 0.7s var(--gh-ease), transform 0.7s var(--gh-ease);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .gh-cta, .gh-cta-ico, .gh-menu-btn span, .gh-toast { transition: none; }
  .gh-menu a { animation: none; transform: none; }
  .gh-ai-slide { transition: none; }
}

@keyframes gh-rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (min-width: 860px) {
  .gh-nav-text { display: inline-flex; }
}

@media (max-width: 859px) {
  .gh-nav { padding: 12px 12px 0; }
  .gh-nav-island { width: 100%; padding-right: 8px; }
  .gh-nav-links { display: none; }
  .gh-menu-btn { display: block; }
}

@media (max-width: 767px) {
  .gh-story,
  .gh-faq-grid,
  .gh-close {
    display: grid;
    grid-template-columns: 1fr;
  }
  .gh-hero { padding: 28px 16px 28px; }
  .gh-hero-title { font-size: 1.9rem; gap: 12px; }
  .gh-hero-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    margin-top: 24px;
  }
  .gh-story,
  .gh-faq { padding-left: 16px; padding-right: 16px; }
  .gh-story { padding-top: 36px; padding-bottom: 36px; gap: 28px; }
  .gh-close {
    margin-left: 16px;
    margin-right: 16px;
    width: auto;
    padding: 22px 20px;
  }
  .gh-foot { padding: 24px 16px 40px; }
}