:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --radius-frame: 22px;
  --radius-dialog: 20px;
  --radius-btn: 8px;
  --canvas: #060708;
  --app-bg: radial-gradient(120% 54% at 104% 2%, rgba(214, 177, 120, 0.075), transparent 49%),
    linear-gradient(180deg, #090a0c, #0b0c0e 55%, #08090b);
  --surface: #151619;
  --surface-2: #1a1b1f;
  --surface-soft: #111214;
  --input: #1b1c20;
  --line: #2c2d32;
  --line-strong: #4a4032;
  --text: #f4efe7;
  --muted: #a7a29c;
  --muted-2: #8a8784;
  --accent: #d6b178;
  --accent-2: #ba9056;
  --accent-soft: #211f1b;
  --accent-text: #e5c38e;
  --on-accent: #11110f;
  --ok: #9bb18b;
  --warn: #c4a36c;
  --danger: #c07f78;
  --dock: rgba(18, 19, 22, 0.96);
  --overlay: rgba(0, 0, 0, 0.6);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  --decor: rgba(214, 177, 120, 0.09);
  --hl-accent: #e2c08a;
  --glow: rgba(214, 177, 120, 0.07);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--app-bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.mono {
  font-family: var(--font-mono);
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-btn);
  text-decoration: none;
  font-size: 14px;
}

.skip:focus {
  top: 12px;
}

.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(28px, calc((100vw - 1200px) / 2));
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background 240ms, border-color 240ms, backdrop-filter 240ms;
}

.top.past-hero {
  background: rgba(6, 7, 8, 0.6);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom-color: color-mix(in srgb, var(--line) 60%, transparent);
}

.top.no-backdrop.past-hero {
  background: rgba(6, 7, 8, 0.9);
  backdrop-filter: none;
}

.wm {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.top nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.lk {
  font: inherit;
  font-size: 14px;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 8px 0;
  border-radius: 0;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
}

.lk:hover,
.lk:focus-visible {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.lk.off {
  color: var(--muted-2);
  cursor: default;
  text-decoration: none;
}

button.lk.off {
  background: none;
  border: none;
  font: inherit;
  padding: 0;
}

.chev {
  display: inline-block;
  margin-left: 4px;
  font-size: 8px;
  line-height: 1;
}

.dl-wrap {
  position: relative;
}

.dl-pop {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  z-index: 40;
  width: 280px;
  padding: 6px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  transform-origin: top right;
  animation: dl-pop-in 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.dl-pop[hidden] {
  display: none;
}

@keyframes dl-pop-in {
  from {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dl-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-sentinel {
  position: absolute;
  left: 0;
  right: 0;
  top: 80%;
  height: 1px;
  pointer-events: none;
}

.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  cursor: crosshair;
  background: var(--canvas);
}

.hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.mark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -52%);
  text-align: center;
  pointer-events: none;
  z-index: 2;
  padding: 56px 72px;
}

.mark::before {
  content: "";
  position: absolute;
  inset: -40px -120px;
  z-index: -1;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--canvas) 92%, transparent) 55%, transparent);
  pointer-events: none;
}

.wmh {
  margin: 0;
  font-weight: 680;
  font-size: clamp(64px, 8.5vw, 136px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.tl {
  margin: 24px 0 0;
  font-size: clamp(16px, 1.3vw, 20px);
  color: var(--muted);
  white-space: nowrap;
}

.tl .acc {
  color: var(--hl-accent);
}

.sub {
  margin: 18px 0 0;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.feat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 96px max(28px, calc((100vw - 1200px) / 2)) 64px;
  position: relative;
}

.feat--tall {
  min-height: 100vh;
}

.feat--short .frame {
  aspect-ratio: 3 / 1;
}

.feat header {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-text);
  text-transform: uppercase;
  margin: 0 0 20px;
}

.feat h2 {
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 680;
  margin: 0;
  min-height: 1.08em;
}

.feat .lead {
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.65;
  color: var(--muted);
  margin: 20px auto 0;
  max-width: 640px;
}

.frame {
  position: relative;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  aspect-ratio: 2.5 / 1;
  border-radius: var(--radius-frame);
  border: 1px solid var(--line);
  overflow: hidden;
  background: radial-gradient(80% 60% at 50% 0%, var(--glow), transparent 70%), linear-gradient(180deg, var(--surface), var(--canvas));
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.6);
}

.frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--text) 9%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent);
}

.frame .bar {
  position: absolute;
  inset: 0 0 auto 0;
  height: 40px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
}

.frame .bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
  opacity: 0.7;
}

.frame .ph {
  position: absolute;
  inset: 40px 0 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.frame .ph b {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.frame .ph span {
  font-size: 13px;
  color: var(--muted-2);
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
  max-width: 920px;
  margin: 36px auto 0;
}

.facts h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.facts p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

.pend {
  font-size: 11px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  border-radius: 6px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: 2px;
  font-weight: 500;
}

.cta {
  padding: 160px 28px 140px;
  text-align: center;
}

.cta h2 {
  font-size: clamp(36px, 4.4vw, 64px);
  letter-spacing: -0.045em;
  line-height: 1.08;
  font-weight: 680;
  margin: 0;
}

.cta .row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 40px;
}

.btn {
  font: inherit;
  font-size: 15px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover,
.btn:focus-visible {
  background: var(--surface-2);
  border-color: var(--muted-2);
  outline: 2px solid var(--accent-text);
  outline-offset: 2px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 40px max(28px, calc((100vw - 1200px) / 2)) 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted-2);
  font-size: 13px;
}

footer .l {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

dialog#dl {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-dialog);
  background: var(--surface);
  color: var(--text);
  width: min(440px, calc(100vw - 32px));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
}

dialog#dl::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
}

.dl-sheet {
  padding: 20px 20px 16px;
  position: relative;
}

.dl-sheet h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.dl-list .dl-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 52px;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  margin: 0;
  text-align: left;
  text-decoration: none;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  background: transparent;
  cursor: pointer;
}

.dl-list li + li {
  margin-top: 2px;
}

.dl-list .dl-item span {
  display: block;
}

.dl-list .dl-item span + span,
.dl-list .dl-item #sheet-d2s.tag,
.dl-list .dl-item .tag {
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--accent-text);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 2px 6px;
}

a.dl-item:hover,
a.dl-item:focus-visible,
button.dl-item:not([aria-disabled='true']):hover,
button.dl-item:not([aria-disabled='true']):focus-visible {
  background: var(--surface-2);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

button.dl-item[aria-disabled='true'] {
  color: var(--muted);
  cursor: default;
}

.dl-list .dl-item.is-disabled {
  color: var(--muted-2);
  background: transparent;
  border: 1px solid var(--line);
  cursor: default;
}

.dl-list .dl-item.is-disabled span {
  white-space: nowrap;
}

.dl-close {
  margin-top: 12px;
  font: inherit;
  font-size: 14px;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 8px 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.dl-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 767px) {
  dialog#dl {
    width: 100%;
    max-width: none;
    margin: auto 0 0;
    border-radius: 14px 14px 0 0;
    border-bottom: 0;
  }
}

@media (min-width: 1920px) {
  .frame {
    max-width: 1000px;
  }
  .facts {
    gap: 56px;
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 761px) and (max-width: 1279px) {
  .frame {
    max-width: 100%;
    aspect-ratio: 16 / 9;
  }
  .feat--short .frame {
    aspect-ratio: 3 / 1;
  }
}

@media (max-width: 1023px) and (min-width: 761px) {
  .facts {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 760px) {
  .top {
    height: 48px;
    padding: 0 20px;
  }
  .lk {
    font-size: 13.5px;
    padding: 7px 9px;
  }
  .mark {
    padding: 32px 12px;
  }
  .wmh {
    font-size: min(19vw, 80px);
  }
  .tl {
    font-size: 14.5px;
    margin-top: 16px;
  }
  .sub {
    font-size: 10px;
    letter-spacing: 0.18em;
    margin-top: 14px;
    color: var(--muted);
  }
  .feat {
    min-height: auto;
    padding: 110px 20px 80px;
  }
  .feat header {
    margin-bottom: 36px;
  }
  .feat .lead {
    margin-top: 16px;
  }
  .frame {
    aspect-ratio: 4 / 3;
    border-radius: 16px;
  }
  .facts {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 36px;
  }
  .cta {
    padding: 110px 20px 100px;
  }
  .cta .row {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 20px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .top {
    transition: none;
  }
}