*, *::before, *::after { box-sizing: border-box; }
:root {
  --color-bg: #0c0916;
  --color-surface: #14101c;
  --color-elevated: #1c1528;
  --color-fg: #f3eee6;
  --color-muted: #9b93a8;
  --color-accent: #f03a1c;
  --color-accent-fg: #0c0916;
  --color-border: rgb(243 238 230 / 0.12);
  --font-display: "Syne", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --motion-quick: 150ms;
  --motion-fast: 250ms;
  --motion-slow: 400ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

button:not(:disabled),
[role="button"]:not(:disabled) {
  cursor: pointer;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--color-bg);
  color: var(--color-fg);
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-display);
}

a {
  color: inherit;
}

.koko {
  position: relative;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-fg);
  overflow-x: hidden;
}

.koko::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.koko-skip {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 80;
  padding: 8px 12px;
  background: var(--color-accent);
  color: var(--color-accent-fg);
  font-size: 0.875rem;
}

.koko-skip:focus {
  top: 12px;
}

.koko-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.koko-fine {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-muted);
}

.koko-hidden {
  display: none !important;
}

.koko-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-elevated);
}

.koko-chrome-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.koko-chrome-btns {
  display: flex;
  gap: 6px;
}

.koko-chrome-btns i {
  width: 10px;
  height: 10px;
  border: 1px solid var(--color-border);
  background: transparent;
}

.koko-chrome-btns i:nth-child(3) {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.koko-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    transform var(--motion-quick) var(--ease-out),
    background-color var(--motion-quick) var(--ease-out),
    border-color var(--motion-quick) var(--ease-out);
}

.koko-btn:active:not(:disabled) {
  transform: scale(0.96);
}

.koko-btn:disabled {
  opacity: 0.5;
}

.koko-btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-fg);
}

.koko-btn-primary:hover {
  background: #ff4d2e;
  border-color: #ff4d2e;
}

.koko-btn-ghost:hover {
  border-color: rgb(243 238 230 / 0.28);
  background: var(--color-surface);
}

.koko-btn-block {
  width: 100%;
}

.koko-boot {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--color-bg);
  transition: opacity var(--motion-slow) var(--ease-out);
  animation: koko-boot-auto 0s 2.4s forwards;
}

.koko-boot.is-gone {
  opacity: 0;
  pointer-events: none;
}

.koko-boot-win {
  width: min(420px, 100%);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.koko-boot-body {
  padding: 32px 24px 28px;
  text-align: center;
}

.koko-boot-face {
  margin: 16px 0 8px;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.koko-boot-copy {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.koko-boot-bar {
  height: 4px;
  background: rgb(243 238 230 / 0.08);
  overflow: hidden;
}

.koko-boot-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-accent);
  animation: koko-load 1.15s var(--ease-out) forwards;
}

@keyframes koko-load {
  to {
    width: 100%;
  }
}

@keyframes koko-boot-auto {
  to {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

.koko-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--color-border);
  background: rgb(12 9 22 / 0.92);
}

.koko-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.koko-brand img {
  width: 36px;
  height: 36px;
  outline: 1px solid rgb(243 238 230 / 0.12);
  outline-offset: -1px;
}

.koko-links {
  display: none;
  gap: 18px;
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.koko-links a {
  text-decoration: none;
  color: var(--color-muted);
}

.koko-links a:hover {
  color: var(--color-fg);
}

.koko-nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.koko-icon-link {
  display: none;
  min-height: 44px;
  align-items: center;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-decoration: none;
}

.koko-menu {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-border);
  background: transparent;
}

.koko-menu span {
  width: 16px;
  height: 1px;
  background: var(--color-fg);
}

.koko-nav.is-open .koko-links {
  display: flex;
  position: absolute;
  left: 0;
  right: 0;
  top: 64px;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 8px 20px 16px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.koko-nav.is-open .koko-links a {
  min-height: 44px;
  display: flex;
  align-items: center;
}

.koko-hero {
  padding: 20px 16px 8px;
}

.koko-player {
  max-width: 980px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgb(12 9 22 / 0.2), var(--color-bg) 70%),
    url("hero.jpg") center/cover no-repeat;
  background-color: var(--color-surface);
}

.koko-player-stage {
  padding: 40px 20px 28px;
  text-align: center;
}

.koko-hero-face {
  width: min(220px, 62vw);
  margin: 20px auto 8px;
}

.koko-face-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.koko-face-svg path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 12;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.koko-hero h1 {
  margin: 4px 0 0;
  font-size: clamp(3rem, 12vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.9;
  text-wrap: balance;
}

.koko-tag {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-muted);
}

.koko-caret {
  display: inline-block;
  width: 8px;
  height: 1em;
  margin-left: 4px;
  background: var(--color-accent);
  vertical-align: text-bottom;
  animation: koko-blink 1s steps(1) infinite;
}

@keyframes koko-blink {
  50% {
    opacity: 0;
  }
}

.koko-lede {
  margin: 18px auto 0;
  max-width: 28ch;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--color-fg);
}

.koko-hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.koko-transport {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--color-border);
  background: rgb(12 9 22 / 0.78);
}

.koko-track {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.koko-transport-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-fg);
}

.koko-time {
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.koko-marquee {
  border-block: 1px solid var(--color-border);
  overflow: hidden;
  margin-top: 20px;
}

.koko-marquee-track {
  display: flex;
  gap: 32px;
  width: max-content;
  padding: 10px 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  animation: koko-slide 28s linear infinite;
}

@keyframes koko-slide {
  to {
    transform: translateX(-50%);
  }
}

.koko-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 0;
  background: var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.koko-stats article {
  padding: 20px 16px;
  background: var(--color-bg);
}

.koko-stat-num {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.koko-stats p:last-child {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.koko-section {
  padding: 64px 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.koko-section-head {
  max-width: 36rem;
  margin-bottom: 28px;
}

.koko-section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  text-wrap: balance;
}

.koko-section-head p:last-child {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.55;
  text-wrap: pretty;
}

.koko-faces {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.koko-faces figure {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.koko-faces svg {
  display: block;
  width: 100%;
  height: auto;
  outline: 1px solid rgb(243 238 230 / 0.08);
  outline-offset: -1px;
}

.koko-faces figcaption {
  padding: 10px 12px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.koko-register {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.koko-register-grid {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  gap: 24px;
}

.koko-card {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 0;
}

.koko-card-body {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.koko-status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.koko-status-on {
  color: var(--color-accent);
}

.koko-addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  word-break: break-all;
}

.koko-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.koko-about {
  display: grid;
  gap: 16px;
  max-width: 42rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.koko-about p {
  margin: 0;
  text-wrap: pretty;
}

.koko-about a {
  color: var(--color-fg);
}

.koko-phases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.koko-phases li {
  padding: 18px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.koko-phases li.is-now {
  border-color: rgb(240 58 28 / 0.5);
}

.koko-phases span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.koko-phases h3 {
  margin: 8px 0 6px;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.koko-phases p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.5;
}

.koko-faq {
  display: grid;
  gap: 8px;
}

.koko-faq details {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.koko-faq summary {
  min-height: 52px;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: -0.02em;
  list-style: none;
}

.koko-faq summary::-webkit-details-marker {
  display: none;
}

.koko-faq p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--color-muted);
  line-height: 1.55;
}

.koko-faq a {
  color: var(--color-fg);
}

.koko-footer {
  display: grid;
  gap: 18px;
  padding: 32px 20px 96px;
  border-top: 1px solid var(--color-border);
}

.koko-footer-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.koko-footer-brand img {
  width: 40px;
  height: 40px;
  outline: 1px solid rgb(243 238 230 / 0.12);
  outline-offset: -1px;
}

.koko-footer-brand p:first-child {
  margin: 0;
  font-weight: 700;
}

.koko-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.koko-footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.koko-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: end center;
  padding: 12px;
}

.koko-modal[hidden] {
  display: none;
}

.koko-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgb(12 9 22 / 0.72);
}

.koko-modal-panel {
  position: relative;
  width: min(440px, 100%);
  margin-bottom: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transform-origin: bottom center;
  animation: koko-modal-in var(--motion-fast) var(--ease-out);
}

@keyframes koko-modal-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.96);
  }
}

.koko-x {
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.koko-form {
  display: grid;
  gap: 12px;
  padding: 18px 16px 20px;
}

.koko-form label {
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.koko-form input {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.koko-form input:focus {
  outline: 2px solid rgb(240 58 28 / 0.7);
  outline-offset: 1px;
}

.koko-form-error {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}

@media (min-width: 720px) {
  .koko-links,
  .koko-icon-link {
    display: flex;
  }

  .koko-menu {
    display: none;
  }

  .koko-hero {
    padding: 32px 24px 12px;
  }

  .koko-player-stage {
    padding: 56px 32px 40px;
  }

  .koko-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .koko-faces {
    grid-template-columns: repeat(4, 1fr);
  }

  .koko-register-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
    gap: 48px;
  }

  .koko-phases {
    grid-template-columns: 1fr 1fr;
  }

  .koko-footer {
    grid-template-columns: 1fr auto;
    padding: 40px 24px 96px;
    max-width: 1040px;
    margin: 0 auto;
  }

  .koko-modal {
    place-items: center;
  }

  .koko-modal-panel {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .koko-boot,
  .koko-btn,
  .koko-marquee-track,
  .koko-caret,
  .koko-boot-bar span,
  .koko-modal-panel {
    animation: none !important;
    transition: none !important;
  }

  .koko-marquee-track {
    transform: none;
  }
}