:root {
  --paper: #f4f4f2;
  --paper-soft: #fbfbfa;
  --ink: #0a0a0a;
  --ink-soft: #242424;
  --muted: #676767;
  --muted-2: #8a8a8a;
  --line: rgba(10, 10, 10, 0.11);
  --line-strong: rgba(255, 255, 255, 0.24);
  --glass: rgba(255, 255, 255, 0.62);
  --glass-dark: rgba(20, 20, 20, 0.42);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.14);
  --max: 1180px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #080808;
  --paper-soft: #111111;
  --ink: #f6f6f4;
  --ink-soft: #dededb;
  --muted: #b6b6b0;
  --muted-2: #878782;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --glass: rgba(24, 24, 24, 0.62);
  --glass-dark: rgba(255, 255, 255, 0.1);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(244, 244, 242, 0.94) 28%, rgba(251, 251, 250, 1)),
    var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 50% -10%, rgba(255, 255, 255, 0.18), transparent 34%),
    linear-gradient(180deg, #090909, #111111 42%, #080808);
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--paper-soft);
  color: var(--ink);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 32px), var(--max));
  min-height: 64px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(250, 250, 249, 0.64);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(22px) saturate(132%);
  -webkit-backdrop-filter: blur(22px) saturate(132%);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(250, 250, 249, 0.82);
  border-color: var(--line);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: #111;
  font-size: 13px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 15px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy span {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.desktop-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.42);
}

.desktop-nav a {
  border-radius: 6px;
  padding: 9px 13px;
  color: rgba(0, 0, 0, 0.68);
  font-size: 13px;
  line-height: 1;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  background: rgba(0, 0, 0, 0.07);
  color: #000;
  outline: none;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 70px;
  height: 42px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: rgba(0, 0, 0, 0.18);
  background: rgba(255, 255, 255, 0.74);
  outline: none;
  transform: translateY(-1px);
}

.theme-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #111;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.menu-toggle {
  display: none;
  justify-self: end;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 0;
  background: rgba(255, 255, 255, 0.58);
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  width: 18px;
  height: 1px;
  background: #111;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle span:nth-child(1) {
  transform: translateY(-6px);
}

.menu-toggle span:nth-child(3) {
  transform: translateY(6px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg);
}

html[data-theme="dark"] .site-header {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(18, 18, 18, 0.64);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.32);
}

html[data-theme="dark"] .site-header.is-scrolled {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(18, 18, 18, 0.82);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.42);
}

html[data-theme="dark"] .brand-mark {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

html[data-theme="dark"] .desktop-nav {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.07);
}

html[data-theme="dark"] .desktop-nav a {
  color: rgba(255, 255, 255, 0.72);
}

html[data-theme="dark"] .desktop-nav a:hover,
html[data-theme="dark"] .desktop-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

html[data-theme="dark"] .theme-toggle,
html[data-theme="dark"] .menu-toggle {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

html[data-theme="dark"] .theme-toggle:hover,
html[data-theme="dark"] .theme-toggle:focus-visible,
html[data-theme="dark"] .menu-toggle:hover,
html[data-theme="dark"] .menu-toggle:focus-visible {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.14);
}

html[data-theme="dark"] .theme-dot {
  background: #f6f6f4;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

html[data-theme="dark"] .menu-toggle span {
  background: #f6f6f4;
}

.mobile-nav {
  position: fixed;
  inset: 92px 16px auto;
  z-index: 45;
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 8px;
  padding: 8px;
  background: rgba(250, 250, 249, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(135%);
  -webkit-backdrop-filter: blur(24px) saturate(135%);
}

.mobile-nav.is-open {
  display: grid;
}

.mobile-nav a {
  border-radius: 7px;
  padding: 16px 14px;
  color: var(--ink-soft);
  font-size: 15px;
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  background: rgba(0, 0, 0, 0.07);
  outline: none;
}

html[data-theme="dark"] .mobile-nav {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(18, 18, 18, 0.9);
}

html[data-theme="dark"] .mobile-nav a {
  color: var(--ink-soft);
}

html[data-theme="dark"] .mobile-nav a:hover,
html[data-theme="dark"] .mobile-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  min-height: 88vh;
  overflow: hidden;
  padding: 104px 24px 72px;
  background: #111;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: -5%;
  z-index: -4;
  background-image: url("./assets/activity/opencoai-hero-community-localfix-20260602-af.jpg");
  background-position: 50% 50%;
  background-size: cover;
  content: "";
  filter: blur(18px) brightness(0.34) saturate(0.9);
  transform: scale(1.06);
}

.hero-stage {
  position: relative;
  z-index: 0;
  display: grid;
  grid-template-rows: auto clamp(292px, 29vw, 348px);
  width: min(1060px, calc(100% - 48px));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: #090909;
  box-shadow: 0 32px 110px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px) saturate(112%);
  -webkit-backdrop-filter: blur(18px) saturate(112%);
}

.hero-stage::before {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), inset 0 -1px 0 rgba(255, 255, 255, 0.06);
  content: "";
  pointer-events: none;
}

.hero-stage::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, #090909 0%, rgba(9, 9, 9, 0.76) 25%, rgba(9, 9, 9, 0.1) 46%, rgba(4, 4, 4, 0) 60%, rgba(4, 4, 4, 0.18) 100%),
    radial-gradient(circle at 50% 28%, rgba(255, 255, 255, 0.1), transparent 48%);
  content: "";
  pointer-events: none;
}

.hero-photo {
  position: relative;
  order: 2;
  z-index: 0;
  display: grid;
  width: 100%;
  height: clamp(292px, 29vw, 348px);
  min-height: 0;
  margin-top: 0;
  padding: 0;
  place-items: center;
  overflow: hidden;
  border-bottom-left-radius: inherit;
  border-bottom-right-radius: inherit;
}

.hero-photo::before {
  position: absolute;
  inset: -16%;
  z-index: -2;
  background-image: url("./assets/activity/opencoai-hero-community-localfix-20260602-af.jpg");
  background-position: 50% 50%;
  background-size: cover;
  content: "";
  filter: blur(20px) brightness(0.42) saturate(0.96);
  transform: scale(1.08);
}

.hero-photo::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(8, 8, 8, 0.58), rgba(8, 8, 8, 0.16) 9%, rgba(8, 8, 8, 0) 18%, rgba(8, 8, 8, 0) 82%, rgba(8, 8, 8, 0.16) 91%, rgba(8, 8, 8, 0.58)),
    linear-gradient(180deg, rgba(8, 8, 8, 0), rgba(8, 8, 8, 0) 16%, rgba(8, 8, 8, 0.01) 52%, rgba(8, 8, 8, 0.28)),
    radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.1), transparent 50%);
  content: "";
  pointer-events: none;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  min-width: 100%;
  max-width: none;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: 52% 0%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  filter: brightness(0.86) saturate(1);
  -webkit-mask-image:
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.58) 2.5%, #000 5.5%, #000 100%),
    linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.58) 2.5%, #000 5.5%, #000 100%),
    linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-composite: intersect;
  transform: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.3) 44%, rgba(0, 0, 0, 0.76)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.5), rgba(255, 255, 255, 0.02) 48%, rgba(0, 0, 0, 0.44));
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 34%;
  background: linear-gradient(180deg, rgba(244, 244, 242, 0), var(--paper));
  content: "";
}

.hero-content {
  position: relative;
  order: 1;
  z-index: 2;
  width: 100%;
  margin-bottom: -34px;
  padding: 74px 48px 96px;
  color: #fff;
  text-align: center;
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
  background:
    linear-gradient(180deg, rgba(9, 9, 9, 0.98), rgba(9, 9, 9, 0.78) 54%, rgba(9, 9, 9, 0.2) 82%, rgba(9, 9, 9, 0) 100%),
    radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.09), transparent 58%);
}

.hero-content::before {
  content: none;
}

.hero-content::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  z-index: 3;
  height: 84px;
  background:
    linear-gradient(180deg, rgba(9, 9, 9, 0.1), rgba(9, 9, 9, 0.045) 48%, rgba(9, 9, 9, 0)),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.028), transparent 68%);
  backdrop-filter: blur(96px) saturate(106%);
  -webkit-backdrop-filter: blur(96px) saturate(106%);
  content: "";
  filter: blur(8px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 26%, #000 58%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 26%, #000 58%, transparent 100%);
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.2;
  text-transform: uppercase;
}

.section-kicker {
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  font-size: 88px;
  font-weight: 860;
  line-height: 0.98;
  letter-spacing: 0;
  text-shadow: 0 18px 54px rgba(0, 0, 0, 0.48);
}

.title-word {
  display: inline-block;
}

.title-nowrap {
  white-space: nowrap;
}

.hero-lede {
  width: min(100%, 760px);
  margin: 26px auto 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 24px;
  line-height: 1.42;
}

.hero-actions,
.survey-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  outline: none;
  transform: translateY(-2px);
}

.button-dark {
  border-color: #0a0a0a;
  background: #0a0a0a;
  color: #fff;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.16);
}

.button-dark:hover,
.button-dark:focus-visible {
  background: #242424;
  border-color: #242424;
}

.button-light {
  border-color: rgba(255, 255, 255, 0.74);
  background: rgba(255, 255, 255, 0.86);
  color: #111;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.button-glass {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.button-glass:hover,
.button-glass:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

.hero-trust {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
  margin: 18px auto 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 12px;
  text-decoration: none;
  transition: transform 180ms ease;
}

.hero-trust span {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 180ms ease, background 180ms ease;
}

.hero-trust:hover,
.hero-trust:focus-visible {
  outline: none;
  transform: translateY(-1px);
}

.hero-trust:hover span,
.hero-trust:focus-visible span {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.16);
}

html[data-theme="light"] .hero {
  background: #f4f4f2;
}

html[data-theme="light"] .hero::before {
  opacity: 0.34;
  filter: blur(26px) brightness(1.04) saturate(0.94);
}

html[data-theme="light"] .hero-overlay {
  background:
    linear-gradient(180deg, rgba(244, 244, 242, 0.72), rgba(255, 255, 255, 0.42) 45%, rgba(244, 244, 242, 0.94)),
    linear-gradient(90deg, rgba(244, 244, 242, 0.72), rgba(255, 255, 255, 0.08) 48%, rgba(244, 244, 242, 0.62));
}

html[data-theme="light"] .hero-stage {
  border-color: rgba(10, 10, 10, 0.1);
  background: rgba(250, 250, 249, 0.72);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.13);
}

html[data-theme="light"] .hero-stage::before {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), inset 0 -1px 0 rgba(10, 10, 10, 0.06);
}

html[data-theme="light"] .hero-stage::after {
  background:
    linear-gradient(180deg, rgba(250, 250, 249, 0.95) 0%, rgba(250, 250, 249, 0.76) 25%, rgba(250, 250, 249, 0.12) 46%, rgba(250, 250, 249, 0) 60%, rgba(250, 250, 249, 0.16) 100%),
    radial-gradient(circle at 50% 28%, rgba(255, 255, 255, 0.42), transparent 48%);
}

html[data-theme="light"] .hero-photo::before {
  opacity: 0.4;
  filter: blur(24px) brightness(1.04) saturate(0.96);
}

html[data-theme="light"] .hero-photo::after {
  background:
    linear-gradient(90deg, rgba(244, 244, 242, 0.5), rgba(244, 244, 242, 0.14) 9%, rgba(244, 244, 242, 0) 18%, rgba(244, 244, 242, 0) 82%, rgba(244, 244, 242, 0.14) 91%, rgba(244, 244, 242, 0.5)),
    linear-gradient(180deg, rgba(244, 244, 242, 0), rgba(244, 244, 242, 0) 16%, rgba(244, 244, 242, 0.01) 52%, rgba(244, 244, 242, 0.22)),
    radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.16), transparent 50%);
}

html[data-theme="light"] .hero-image {
  filter: brightness(0.98) saturate(1);
}

html[data-theme="light"] .hero-content {
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(250, 250, 249, 0.98), rgba(250, 250, 249, 0.78) 54%, rgba(250, 250, 249, 0.2) 82%, rgba(250, 250, 249, 0) 100%),
    radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.5), transparent 58%);
}

html[data-theme="light"] .hero-content::after {
  background:
    linear-gradient(180deg, rgba(250, 250, 249, 0.18), rgba(250, 250, 249, 0.08) 48%, rgba(250, 250, 249, 0)),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.22), transparent 68%);
}

html[data-theme="light"] .eyebrow {
  color: rgba(10, 10, 10, 0.54);
}

html[data-theme="light"] .hero h1 {
  color: var(--ink);
  text-shadow: 0 18px 48px rgba(255, 255, 255, 0.48);
}

html[data-theme="light"] .hero-lede,
html[data-theme="light"] .hero-trust {
  color: rgba(10, 10, 10, 0.72);
}

html[data-theme="light"] .button-glass {
  border-color: rgba(10, 10, 10, 0.14);
  background: rgba(10, 10, 10, 0.045);
  color: #111;
}

html[data-theme="light"] .button-glass:hover,
html[data-theme="light"] .button-glass:focus-visible {
  background: rgba(10, 10, 10, 0.08);
}

html[data-theme="light"] .hero-trust span {
  border-color: rgba(10, 10, 10, 0.12);
  background: rgba(255, 255, 255, 0.56);
}

.section {
  padding: 108px 24px;
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.section-light {
  background: var(--paper);
}

.section-silver {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(238, 238, 236, 0.78)),
    #ececea;
}

html[data-theme="dark"] .section-silver {
  background:
    linear-gradient(180deg, rgba(26, 26, 26, 0.9), rgba(8, 8, 8, 0.96)),
    #0a0a0a;
}

.section-ink {
  background:
    linear-gradient(180deg, #0c0c0c, #161616 56%, #0d0d0d),
    #111;
  color: #fff;
}

.statement {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: end;
}

.statement h2,
.split-heading h2,
.panel h2,
.survey-layout h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 720;
  line-height: 1.08;
  letter-spacing: 0;
}

.statement p,
.split-heading p,
.panel p,
.survey-lede {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 58px;
}

.principle {
  min-height: 260px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(20px) saturate(118%);
  -webkit-backdrop-filter: blur(20px) saturate(118%);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.principle:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 0, 0, 0.16);
  background: rgba(255, 255, 255, 0.72);
}

html[data-theme="dark"] .principle,
html[data-theme="dark"] .glass-panel,
html[data-theme="dark"] .cobuild-item {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 56px rgba(0, 0, 0, 0.22);
}

html[data-theme="dark"] .principle:hover,
html[data-theme="dark"] .cobuild-item:hover,
html[data-theme="dark"] .cobuild-item:focus-visible {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.09);
}

.principle span,
.cobuild-item span {
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 700;
}

.principle h3,
.event-card h3,
.cobuild-item h3 {
  margin: 56px 0 12px;
  font-size: 21px;
  line-height: 1.25;
}

.principle p,
.event-card span,
.cobuild-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 48px;
  align-items: end;
  margin-bottom: 46px;
}

.section-ink .section-kicker,
.section-ink .split-heading p,
.section-ink .activity-copy p,
.section-ink .event-card span {
  color: rgba(255, 255, 255, 0.68);
}

.activity-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 18px;
  align-items: stretch;
}

.activity-feature figure,
.media-panel {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.22);
}

.activity-feature figure img,
.media-panel img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
}

.activity-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(22px) saturate(122%);
  -webkit-backdrop-filter: blur(22px) saturate(122%);
}

.event-date {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  font-weight: 700;
}

.activity-copy h3 {
  margin: 0 0 18px;
  font-size: 34px;
  line-height: 1.15;
}

.activity-copy > p {
  margin: 0;
  line-height: 1.8;
}

.activity-copy .button {
  align-self: flex-start;
  margin-top: 28px;
}

.activity-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.activity-meta span {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 8px 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.event-card {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.event-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.12);
}

.event-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.event-card div {
  padding: 20px;
}

.event-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 700;
}

.event-card h3 {
  margin-top: 34px;
  color: #fff;
}

html[data-theme="light"] .section-ink {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(238, 238, 236, 0.9) 58%, rgba(250, 250, 249, 0.98)),
    #f4f4f2;
  color: var(--ink);
}

html[data-theme="light"] .section-ink .section-kicker,
html[data-theme="light"] .section-ink .split-heading p,
html[data-theme="light"] .section-ink .activity-copy p,
html[data-theme="light"] .section-ink .event-card span {
  color: var(--muted);
}

html[data-theme="light"] .activity-feature figure,
html[data-theme="light"] .media-panel {
  border-color: rgba(10, 10, 10, 0.1);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.1);
}

html[data-theme="light"] .activity-copy,
html[data-theme="light"] .event-card {
  border-color: rgba(10, 10, 10, 0.1);
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

html[data-theme="light"] .event-card:hover {
  border-color: rgba(10, 10, 10, 0.18);
  background: rgba(255, 255, 255, 0.76);
}

html[data-theme="light"] .event-date,
html[data-theme="light"] .event-card p {
  color: var(--muted-2);
}

html[data-theme="light"] .activity-meta span {
  border-color: rgba(10, 10, 10, 0.12);
  color: rgba(10, 10, 10, 0.64);
  background: rgba(255, 255, 255, 0.5);
}

html[data-theme="light"] .event-card h3 {
  color: var(--ink);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 1.08fr);
  gap: 18px;
  align-items: stretch;
}

.panel {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
}

.glass-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px;
  background: var(--glass);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86), 0 18px 56px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(24px) saturate(122%);
  -webkit-backdrop-filter: blur(24px) saturate(122%);
}

.panel h2 {
  margin-bottom: 22px;
}

.quiet-list {
  display: grid;
  gap: 10px;
  margin: 28px 0 32px;
  padding: 0;
  list-style: none;
}

.quiet-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
}

.quiet-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #111;
  content: "";
}

html[data-theme="dark"] .quiet-list li::before {
  background: #f6f6f4;
}

.media-panel {
  min-height: 560px;
  background: #111;
}

.media-caption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: grid;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.media-caption span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  text-transform: uppercase;
}

.media-caption strong {
  font-size: 22px;
  line-height: 1.25;
}

.survey-layout {
  display: grid;
  justify-items: center;
  text-align: center;
}

.survey-layout h2 {
  width: min(100%, 820px);
  font-size: 56px;
}

.survey-lede {
  width: min(100%, 760px);
  margin-top: 24px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.22);
  color: #111;
  font-size: 14px;
  font-weight: 650;
  transition: transform 180ms ease, border-color 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  border-color: #111;
}

html[data-theme="dark"] .text-link {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

html[data-theme="dark"] .text-link:hover,
html[data-theme="dark"] .text-link:focus-visible {
  border-color: #fff;
}

.cobuild-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.cobuild-item {
  min-height: 270px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.56);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.cobuild-item:hover,
.cobuild-item:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(0, 0, 0, 0.16);
  background: rgba(255, 255, 255, 0.76);
  outline: none;
}

.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding: 34px 24px 44px;
  background: #f8f8f7;
}

html[data-theme="dark"] .site-footer {
  border-top-color: rgba(255, 255, 255, 0.1);
  background: #080808;
}

.footer-inner {
  display: flex;
  width: min(100%, var(--max));
  margin: 0 auto;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

.footer-inner strong {
  font-size: 17px;
}

.footer-inner p,
.footer-links {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #111;
  outline: none;
}

html[data-theme="dark"] .footer-links a:hover,
html[data-theme="dark"] .footer-links a:focus-visible {
  color: #fff;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero-lede {
    font-size: 21px;
  }

  .statement,
  .split-heading,
  .activity-feature,
  .two-column {
    grid-template-columns: 1fr;
  }

  .principle-grid,
  .event-grid {
    grid-template-columns: 1fr;
  }

  .cobuild-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .activity-feature figure img,
  .media-panel img {
    min-height: 360px;
  }

  .media-panel {
    min-height: 430px;
  }
}

@media (max-width: 680px) {
  .site-header {
    top: 10px;
    width: min(calc(100% - 20px), var(--max));
    min-height: 60px;
    padding: 8px;
  }

  .brand-copy span {
    display: none;
  }

  .mobile-nav {
    inset: 80px 10px auto;
  }

  .hero {
    min-height: 86vh;
    padding: 88px 18px 70px;
  }

  .hero-stage {
    grid-template-rows: auto minmax(178px, 24vh);
    width: min(100%, 430px);
  }

  .hero-photo {
    height: clamp(178px, 48vw, 216px);
    min-height: 0;
    margin-top: 0;
    padding: 0;
  }

  .hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 52% 0%;
  }

  .hero-content {
    width: 100%;
    margin-bottom: -24px;
    padding: 50px 18px 66px;
  }

  .hero h1 {
    font-size: 44px;
    line-height: 1.05;
  }

  .hero h1 .title-word {
    display: block;
  }

  .hero-lede {
    margin-top: 18px;
    font-size: 18px;
  }

  .hero-actions,
  .survey-actions {
    display: grid;
    width: 100%;
    gap: 10px;
    justify-content: stretch;
    margin-top: 28px;
  }

  .button,
  .text-link {
    width: 100%;
    justify-self: stretch;
  }

  .hero-trust {
    width: 100%;
    margin-top: 16px;
  }

  .hero-trust span {
    padding: 7px 9px;
  }

  .section {
    padding: 78px 18px;
  }

  .statement h2,
  .split-heading h2,
  .panel h2 {
    font-size: 34px;
  }

  .survey-layout h2 {
    font-size: 38px;
  }

  .statement p,
  .split-heading p,
  .panel p,
  .survey-lede {
    font-size: 16px;
    line-height: 1.78;
  }

  .principle,
  .cobuild-item {
    min-height: auto;
  }

  .principle h3,
  .cobuild-item h3 {
    margin-top: 34px;
  }

  .activity-copy,
  .glass-panel {
    padding: 24px;
  }

  .activity-copy h3 {
    font-size: 28px;
  }

  .cobuild-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    display: grid;
    align-items: start;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}