/* WhoTook site.
   Light: Warm Contact Sheet. Dark: Darkroom Ink.
   System fonts only, so the page makes no third-party requests. */

:root {
  color-scheme: light;
  --bg: #F7F4EE;
  --card: #FFFFFF;
  --raised: #EFE9DF;
  --hairline: rgba(31, 27, 22, 0.10);
  --hairline-strong: rgba(31, 27, 22, 0.18);
  --ink: #1F1B16;
  --ink2: #5E554A;
  --ink3: #6E655A;
  --accent: #C63D22;
  --on-accent: #FFFFFF;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --radius: 10px;
  --radius-card: 16px;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #161513;
  --card: #1C1A18;
  --raised: #262421;
  --hairline: rgba(239, 233, 222, 0.10);
  --hairline-strong: rgba(239, 233, 222, 0.18);
  --ink: #EFE9DE;
  --ink2: #B4ADA1;
  --ink3: #989186;
  --accent: #E59437;
  --on-accent: #161513;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #161513;
    --card: #1C1A18;
    --raised: #262421;
    --hairline: rgba(239, 233, 222, 0.10);
    --hairline-strong: rgba(239, 233, 222, 0.18);
    --ink: #EFE9DE;
    --ink2: #B4ADA1;
    --ink3: #989186;
    --accent: #E59437;
    --on-accent: #161513;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
  color: inherit;
}

a,
button,
summary {
  cursor: pointer;
}

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

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.wrap {
  width: min(var(--max), 100% - 40px);
  margin-inline: auto;
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
}

.tm {
  margin-left: 2px;
  font-size: 0.52em;
  vertical-align: super;
  letter-spacing: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 26px;
  height: 26px;
  color: var(--accent);
}

.site-nav {
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  display: inline-block;
  padding: 10px 0;
  color: var(--ink2);
  text-decoration: none;
  font-size: 0.9375rem;
}

.site-nav a:hover {
  color: var(--ink);
}

.theme-toggle,
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink2);
  font-size: 0.875rem;
}

.theme-toggle:hover,
.nav-toggle:hover {
  color: var(--ink);
  background: var(--raised);
}

.nav-toggle {
  display: none;
  margin-left: auto;
}

/* Hero */

.hero {
  padding: clamp(40px, 7vw, 88px) 0 clamp(48px, 8vw, 96px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 600;
  text-wrap: balance;
}

.lede {
  margin-top: 20px;
  max-width: 34ch;
  color: var(--ink2);
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  line-height: 1.5;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background-color 150ms var(--ease), border-color 150ms var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  filter: brightness(0.94);
}

.btn-secondary {
  background: var(--card);
  color: var(--ink);
  border-color: var(--hairline-strong);
}

.btn-secondary:hover {
  background: var(--raised);
}

.raw-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--ink2);
  font-size: 0.875rem;
}

.raw-link a {
  color: var(--ink2);
  text-underline-offset: 3px;
}

.raw-link a:hover {
  color: var(--ink);
}

.raw-link span {
  color: var(--ink3);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  color: var(--ink2);
  font-size: 0.875rem;
}

.hero-shot {
  justify-self: center;
  width: min(100%, 360px);
}

.device {
  padding: 10px;
  border: 1px solid var(--hairline-strong);
  border-radius: 34px;
  background: #1F1B16;
  box-shadow: 0 16px 40px rgba(31, 27, 22, 0.14);
}

.device img {
  width: 100%;
  height: auto;
  border-radius: 24px;
}

.hero-shot figcaption {
  margin-top: 14px;
  color: var(--ink2);
  font-size: 0.8125rem;
  text-align: center;
}

/* Sections */

.section {
  padding: clamp(48px, 8vw, 96px) 0;
  border-top: 1px solid var(--hairline);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: end;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.section-head h2,
.privacy-copy h2,
.download-copy h2,
.page-head h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 600;
  text-wrap: balance;
}

.section-head p {
  max-width: 46ch;
  color: var(--ink2);
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px 48px;
}

.step {
  padding-top: 16px;
  border-top: 1px solid var(--hairline-strong);
}

.step-num {
  color: var(--ink3);
  font-size: 0.75rem;
}

.step h3 {
  margin-top: 10px;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.step p {
  margin-top: 6px;
  max-width: 42ch;
  color: var(--ink2);
}

.shot-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(40px, 6vw, 64px);
}

.shot-strip figure {
  padding: 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--card);
}

.shot-strip img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.shot-strip figcaption {
  padding: 10px 4px 2px;
  color: var(--ink2);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-align: center;
}

/* Party modes */

.mode-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  margin-bottom: clamp(40px, 6vw, 64px);
}

.mode-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
}

.mode-list-item {
  padding: 16px 0;
  border-top: 1px solid var(--hairline-strong);
}

.mode-list-item h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

.mode-list-item p {
  margin-top: 2px;
  color: var(--ink2);
  font-size: 0.875rem;
}

.shot-phone {
  margin: 0;
  padding: 8px;
  background: #1F1B16;
  border: 1px solid var(--hairline-strong);
  border-radius: 24px;
}

.shot-phone img {
  width: 100%;
  height: auto;
  border-radius: 15px;
}

.shot-phone figcaption,
.mode-shots figcaption {
  padding: 8px 2px 2px;
  color: var(--ink2);
  font-family: var(--mono);
  font-size: 0.6875rem;
  text-align: center;
}

.mode-selector-shot {
  width: min(100%, 300px);
  justify-self: center;
}

.mode-selector-shot figcaption {
  padding: 8px 2px 2px;
  color: var(--ink2);
  font-family: var(--mono);
  font-size: 0.6875rem;
  text-align: center;
}

.mode-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--hairline);
}

.mode-feature + .mode-feature {
  margin-top: clamp(36px, 5vw, 56px);
}

.mode-feature.reverse .mode-copy {
  order: 2;
}

.mode-feature.reverse .mode-shots {
  order: 1;
}

.mode-copy h3 {
  font-size: clamp(1.4rem, 2.6vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mode-tagline {
  margin-top: 6px;
  color: var(--accent);
  font-size: 1.0625rem;
  font-weight: 500;
}

.mode-copy p + p {
  margin-top: 10px;
  max-width: 38ch;
  color: var(--ink2);
}

.mode-shots {
  display: grid;
  gap: 12px;
}

.mode-shots.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mode-shots.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mode-shots figure {
  margin: 0;
  min-width: 0;
}

@media (max-width: 900px) {
  .mode-intro,
  .mode-feature {
    grid-template-columns: 1fr;
  }

  .mode-feature.reverse .mode-copy,
  .mode-feature.reverse .mode-shots {
    order: initial;
  }
}

@media (max-width: 760px) {
  .mode-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .mode-shots.three {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .mode-shots.three figure {
    flex: 0 0 72%;
    scroll-snap-align: start;
  }

  .mode-shots.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Privacy */

.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(32px, 5vw, 72px);
}

.privacy-copy p {
  margin-top: 16px;
  max-width: 40ch;
  color: var(--ink2);
}

.text-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--ink);
  font-size: 0.9375rem;
  text-underline-offset: 4px;
}

.text-link:hover {
  color: var(--accent);
}

.privacy-list li {
  padding: 18px 0;
  border-top: 1px solid var(--hairline);
}

.privacy-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.privacy-list h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

.privacy-list p {
  margin-top: 4px;
  max-width: 52ch;
  color: var(--ink2);
  font-size: 0.9375rem;
}

/* Download */

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(24px, 4.5vw, 48px);
  border: 1px solid var(--hairline-strong);
  border-radius: 20px;
  background: var(--card);
}

.download-copy p {
  margin-top: 12px;
  max-width: 34ch;
  color: var(--ink2);
}

.download-facts > div {
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
}

.download-facts > div:first-child {
  padding-top: 0;
  border-top: 0;
}

.download-facts dt {
  color: var(--ink3);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.download-facts dd {
  margin-top: 4px;
  color: var(--ink2);
  font-size: 0.9375rem;
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.store-soon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink2);
  cursor: not-allowed;
}

.soon {
  padding: 1px 6px;
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  color: var(--ink3);
  font-family: var(--mono);
  font-size: 0.6875rem;
}

/* Footer */

.site-footer {
  padding: 40px 0 48px;
  border-top: 1px solid var(--hairline);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 24px 40px;
  align-items: start;
}

.footer-brand p {
  margin-top: 10px;
  max-width: 36ch;
  color: var(--ink2);
  font-size: 0.875rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: flex-end;
}

.footer-nav a {
  color: var(--ink2);
  font-size: 0.875rem;
  text-underline-offset: 3px;
}

.footer-nav a:hover {
  color: var(--ink);
}

.footer-base {
  grid-column: 1 / -1;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  color: var(--ink3);
  font-size: 0.75rem;
}

.footer-base .mono {
  margin-left: 8px;
}

/* Text pages */

.page {
  padding: clamp(40px, 6vw, 72px) 0 clamp(56px, 8vw, 96px);
}

.page-wrap {
  max-width: 760px;
}

.page-head {
  margin-bottom: 32px;
}

.page-head p {
  margin-top: 14px;
  max-width: 52ch;
  color: var(--ink2);
  font-size: 1.0625rem;
}

.prose h2 {
  margin-top: 40px;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 24px;
  font-size: 1.0625rem;
  font-weight: 600;
}

.prose p,
.prose li {
  margin-top: 10px;
  color: var(--ink2);
}

.prose ul {
  padding-left: 18px;
  list-style: disc;
}

.prose li {
  margin-top: 6px;
}

.prose a {
  color: var(--ink);
  text-underline-offset: 3px;
}

.prose code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--raised);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.875em;
}

.callout {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--card);
}

.callout p {
  margin: 0;
}

.page-head a {
  color: var(--ink);
  text-underline-offset: 3px;
}

.code-block {
  margin-top: 18px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 8px 8px 14px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink3);
  font-size: 0.75rem;
}

.copy-button {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink2);
  font-size: 0.8125rem;
}

.copy-button:hover {
  background: var(--raised);
  color: var(--ink);
}

.code-block pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  background: var(--bg);
}

.code-block code {
  padding: 0;
  background: none;
  font-size: 0.8125rem;
  line-height: 1.65;
  white-space: pre;
}

.copy-status {
  min-height: 1.5em;
  margin-top: 8px;
  color: var(--ink3);
  font-size: 0.8125rem;
}

.back-link {
  display: inline-block;
  margin-top: 36px;
  color: var(--ink2);
  font-size: 0.9375rem;
  text-underline-offset: 3px;
}

/* Small screens get the download one thumb away. */

.mobile-cta {
  display: none;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .device,
  .shot-strip figure {
    transition: transform 180ms var(--ease);
  }

  .device:hover,
  .shot-strip figure:hover {
    transform: translateY(-3px);
  }
}

/* 404 */

.not-found {
  padding: clamp(64px, 12vw, 140px) 0;
}

.not-found h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
}

.not-found p {
  margin-top: 14px;
  max-width: 46ch;
  color: var(--ink2);
}

/* Mobile */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-shot {
    width: min(100%, 300px);
    margin-top: 8px;
  }

  .hero-copy h1 {
    font-size: clamp(2.2rem, 9vw, 3rem);
  }

  .section-head,
  .privacy-grid,
  .download-panel {
    grid-template-columns: 1fr;
  }

  .shot-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  body {
    padding-bottom: 88px;
  }

  .wrap {
    width: min(var(--max), 100% - 32px);
  }

  .mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    display: flex;
    gap: 8px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--hairline);
    background: var(--bg);
  }

  .mobile-cta[hidden] {
    display: none;
  }

  .mobile-cta .btn {
    flex: 1 1 0;
    min-height: 48px;
    padding: 0 10px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .theme-toggle {
    margin-left: 0;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px 16px 16px;
    border-bottom: 1px solid var(--hairline);
    background: var(--bg);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 1rem;
  }

  .site-nav li:last-child a {
    border-bottom: 0;
  }

  .theme-toggle span {
    display: none;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .shot-strip {
    display: none;
  }

  .hero-facts {
    gap: 6px 18px;
  }
}

@media (max-width: 420px) {
  .hero-actions .btn,
  .download-actions .btn {
    width: 100%;
  }

  .footer-base .mono {
    display: block;
    margin: 6px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}