:root {
  color-scheme: dark;
  --void: #000000;
  --ink: #fafafa;
  --muted: #6e7278;
  --accent: #ef4f4f;
  --font-serif: "Iowan Old Style", "New York", "Georgia", "Times New Roman", serif;
  --font-mono: "SF Mono", "Menlo", "Consolas", monospace;
  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-scroll: cubic-bezier(0.42, 0, 0.18, 1);
  --reveal-ms: 1.35s;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--void);
  color: var(--ink);
  line-height: 1.58;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.veil {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 100% 55% at 50% -20%, rgba(255, 255, 255, 0.045), transparent 55%),
    radial-gradient(ellipse 40% 30% at 80% 60%, rgba(239, 79, 79, 0.05), transparent 70%),
    var(--void);
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.07;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

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

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

/* Minimal floating chrome — no bar line */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(1rem, env(safe-area-inset-top)) clamp(1.25rem, 4vw, 2rem) 0.75rem;
  background: transparent;
  border: none;
  pointer-events: none;
}

.site-header a {
  pointer-events: auto;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  opacity: 0.92;
}

.header-cta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250, 250, 250, 0.72);
  padding: 0.35rem 0;
  transition: color 0.25s ease;
}

.header-cta:hover {
  color: var(--ink);
}

main {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 0 clamp(1.15rem, 4vw, 2.5rem) 4rem;
}

/* First screen breaks out of the centered column to the viewport edges */
.hero {
  position: relative;
  text-align: center;
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: 100svh;
  padding: clamp(5.5rem, 14vw, 8rem) clamp(1.15rem, 4vw, 2.5rem) clamp(3rem, 8vw, 4.5rem);
  overflow: hidden;
  isolation: isolate;
  box-sizing: border-box;
}

.hero-flanks {
  position: absolute;
  top: calc(max(1rem, env(safe-area-inset-top)) + 3.15rem);
  left: 0;
  right: 0;
  bottom: clamp(5.5rem, 22vh, 9.5rem);
  pointer-events: none;
  z-index: 0;
}

.hero-flank-slot {
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(27vw, 280px);
  overflow: hidden;
  pointer-events: none;
}

.hero-flank-slot--left {
  left: 0;
}

.hero-flank-slot--right {
  right: 0;
}

.hero-flank {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  max-width: none;
  object-fit: contain;
  opacity: 0;
  pointer-events: none;
  filter: drop-shadow(0 0 22px rgba(255, 255, 255, 0.09));
  will-change: transform, opacity;
}

.hero-flank--left {
  left: 0;
  object-position: left center;
  transform-origin: left center;
  transform: translate3d(-100%, 0, 0);
  animation:
    hands-enter-left 2.9s var(--ease) forwards,
    hands-reach-left 4.6s ease-in-out 2.9s infinite;
}

.hero-flank--right {
  right: 0;
  left: auto;
  object-position: right center;
  transform-origin: right center;
  transform: translate3d(100%, 0, 0);
  animation:
    hands-enter-right 3.05s var(--ease) forwards,
    hands-reach-right 4.9s ease-in-out 3.05s infinite;
}

@keyframes hands-enter-left {
  0% {
    opacity: 0;
    transform: translate3d(-100%, 0, 0);
  }
  40% {
    opacity: 0.82;
  }
  100% {
    opacity: 0.78;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes hands-enter-right {
  0% {
    opacity: 0;
    transform: translate3d(100%, 0, 0);
  }
  40% {
    opacity: 0.8;
  }
  100% {
    opacity: 0.76;
    transform: translate3d(0, 0, 0);
  }
}

/* Horizontal lunge toward center; edge pinned via transform-origin + clipped slot */
@keyframes hands-reach-left {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scaleX(1);
  }
  50% {
    transform: translate3d(0, 0, 0) scaleX(1.05);
  }
}

@keyframes hands-reach-right {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scaleX(1);
  }
  50% {
    transform: translate3d(0, 0, 0) scaleX(1.05);
  }
}

.hero-ambient {
  position: absolute;
  inset: -10% 0 auto;
  height: min(70vh, 640px);
  z-index: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
  opacity: 0.07;
  filter: blur(28px);
  mask-image: radial-gradient(ellipse 70% 65% at 50% 40%, #000 25%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 40%, #000 25%, transparent 72%);
}

.hero-ambient img {
  width: min(420px, 72vw);
  height: auto;
  object-fit: contain;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 36rem;
  margin: 0 auto;
  padding: 0 clamp(0.25rem, 2vw, 1rem);
}

.manifesto-strip {
  display: grid;
  gap: 0.35rem;
  text-align: center;
}


.manifesto-strip p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 2vw, 0.76rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(250, 250, 250, 0.42);
}

.app-store-badge-link {
  display: inline-block;
  transition: transform 0.35s var(--ease), filter 0.35s ease;
}

.app-store-badge-link:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.06);
}

.app-store-badge {
  width: min(220px, 62vw);
  height: auto;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin: 0 0 1.35rem;
}

h1,
h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.08;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.75rem, 7.5vw, 4.5rem);
}

h2 {
  font-size: clamp(1.9rem, 5vw, 2.85rem);
}

.hero-title {
  font-size: clamp(2.85rem, 9.5vw, 5rem);
  font-weight: 500;
  color: #ffffff;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  margin-bottom: 1.25rem;
}

.closing-title {
  font-size: clamp(1.9rem, 5vw, 2.85rem);
  font-weight: 500;
  color: #ffffff;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 900px) {
  .hero-title {
    font-size: clamp(3.5rem, 6.5vw, 5.25rem);
  }

  .closing-title {
    font-size: clamp(2rem, 4.5vw, 2.85rem);
  }
}

.accent {
  color: var(--accent);
}

.hero-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.08rem, 2.35vw, 1.32rem);
  font-weight: 400;
  line-height: 1.48;
  letter-spacing: 0.008em;
  color: rgba(250, 250, 250, 0.84);
  max-width: 32rem;
  margin: 0 auto 2.25rem;
}

.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: clamp(2.5rem, 8vw, 4rem);
  color: rgba(250, 250, 250, 0.55);
  transition: color 0.3s ease;
}

.scroll-cue:hover {
  color: rgba(250, 250, 250, 0.9);
}

.scroll-cue:hover .scroll-cue-mark {
  opacity: 1;
}

.scroll-cue-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.35rem;
}

.scroll-cue-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0.35rem;
  animation: scroll-track-drift 3.8s var(--ease-scroll) infinite;
  will-change: transform;
}

.scroll-cue-chevron {
  flex-shrink: 0;
  width: 1px;
  height: 2.85rem;
  background: linear-gradient(
    to bottom,
    rgba(250, 250, 250, 0.65),
    transparent
  );
}

.scroll-cue-mark {
  display: block;
  width: clamp(4.75rem, 20vw, 7.25rem);
  height: auto;
  margin-top: -1px;
  max-width: none;
  opacity: 0.92;
  filter: drop-shadow(0 0 24px rgba(255, 255, 255, 0.2));
}

@keyframes scroll-track-drift {
  0%,
  100% {
    transform: translate3d(0, 10px, 0);
  }
  50% {
    transform: translate3d(0, 22px, 0);
  }
}

.platform-note {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.feature {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.5rem, 3vw, 1.25rem);
  align-items: center;
  padding: clamp(3.5rem, 9vw, 6rem) 0;
  overflow: hidden;
}

.feature-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.4s var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
}

.feature.is-section-active .feature-ambient {
  opacity: 1;
}

.feature-ambient img {
  width: min(520px, 95vw);
  max-height: 90%;
  object-fit: contain;
  opacity: 0.09;
  filter: blur(42px) brightness(1.15);
  transform: scale(1.08);
}

.feature > *:not(.feature-ambient) {
  position: relative;
  z-index: 1;
}

.feature + .feature {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.feature-copy {
  opacity: 1;
  transform: none;
}

.feature-copy.is-entering {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(6px);
  transition:
    opacity var(--reveal-ms) var(--ease),
    transform var(--reveal-ms) var(--ease),
    filter calc(var(--reveal-ms) * 0.85) var(--ease);
  transition-delay: 0ms;
}

.feature-copy.is-entering.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition-delay: 0.08s;
}

.feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-copy p {
  margin: 0 0 0.75rem;
  color: rgba(250, 250, 250, 0.76);
  font-size: clamp(0.98rem, 2.1vw, 1.08rem);
  max-width: 26rem;
}

.mono-label {
  font-family: var(--font-mono) !important;
  font-size: 0.64rem !important;
  letter-spacing: 0.18em;
  color: var(--muted) !important;
  text-transform: uppercase;
  margin-top: 1.35rem !important;
}

/* Transparent PNG line art — native resolution, no card */
.feature-art {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  line-height: 0;
}

.feature-art img {
  width: auto;
  height: auto;
  max-width: min(100%, 571px);
  max-height: min(78vh, 1024px);
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  filter: drop-shadow(0 0 36px rgba(255, 255, 255, 0.05));
}

/* Desktop-only art motion */
@media (min-width: 900px) {
  .feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(2.5rem, 6vw, 5rem);
    align-items: center;
  }

  .feature--reversed .feature-copy {
    order: 2;
    justify-self: start;
    text-align: left;
    align-items: flex-start;
    padding-inline-start: clamp(0.5rem, 2vw, 1.5rem);
  }

  .feature--reversed .feature-art {
    order: 1;
    justify-content: flex-end;
    padding-inline-end: clamp(0.5rem, 2vw, 1.5rem);
  }

  .feature:not(.feature--reversed) .feature-copy {
    justify-self: end;
    text-align: right;
    align-items: flex-end;
    padding-inline-end: clamp(0.5rem, 2vw, 1.5rem);
  }

  .feature:not(.feature--reversed) .feature-art {
    justify-content: flex-start;
    padding-inline-start: clamp(0.5rem, 2vw, 1.5rem);
  }

  .feature:not(.feature--reversed) .feature-copy p,
  .feature:not(.feature--reversed) .feature-copy .mono-label {
    margin-inline-start: auto;
  }

  .feature-art {
    width: 100%;
  }

  .feature-art img {
    max-width: min(100%, 480px);
    max-height: min(85vh, 1024px);
    margin-inline: 0;
  }

  .feature-art--from-left {
    opacity: 0;
    transform: translateX(-72px) scale(0.96);
    filter: blur(8px);
    transition:
      opacity var(--reveal-ms) var(--ease),
      transform var(--reveal-ms) var(--ease),
      filter calc(var(--reveal-ms) * 0.9) var(--ease);
    transition-delay: 0ms;
  }

  .feature-art--from-right {
    opacity: 0;
    transform: translateX(72px) scale(0.96);
    filter: blur(8px);
    transition:
      opacity var(--reveal-ms) var(--ease),
      transform var(--reveal-ms) var(--ease),
      filter calc(var(--reveal-ms) * 0.9) var(--ease);
    transition-delay: 0ms;
  }

  .feature-art.is-visible {
    opacity: 1;
    filter: blur(0);
    transition-delay: 0.22s;
  }

  .feature-art--from-left.is-visible,
  .feature-art--from-right.is-visible {
    transform: translateX(0) scale(1);
  }
}

/* Mobile: text-first stack, subtle replayable fade */
@media (max-width: 899px) {
  .feature {
    gap: 1.35rem;
    padding: clamp(3rem, 10vw, 4.25rem) 0;
    text-align: center;
  }

  .feature--reversed .feature-copy,
  .feature--reversed .feature-art {
    order: unset;
  }

  .feature-copy {
    order: 1;
  }

  .feature-art {
    order: 2;
    margin-top: 0.15rem;
  }

  .feature-copy p {
    margin-inline: auto;
    max-width: 22rem;
    line-height: 1.62;
  }

  .feature-copy h2 {
    margin-bottom: 0.65rem;
  }

  .feature-art,
  .feature-art--from-left,
  .feature-art--from-right {
    opacity: 0;
    transform: translateY(28px) scale(0.97);
    filter: blur(5px);
    transition:
      opacity 1.05s var(--ease),
      transform 1.05s var(--ease),
      filter 0.95s var(--ease);
    transition-delay: 0.15s;
  }

  .feature-art.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
    transition-delay: 0.2s;
  }

  .feature-copy.is-entering {
    opacity: 0;
    transform: translateY(14px);
    filter: blur(4px);
  }

  .feature-copy.is-entering.is-visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    transition-delay: 0.05s;
  }

  .feature-art img {
    max-width: min(94vw, 571px);
    max-height: none;
    margin-inline: auto;
  }
}

.closing {
  text-align: center;
  padding: clamp(4rem, 10vw, 5.5rem) 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  scroll-margin-top: 4rem;
}

.closing h2 {
  margin-bottom: 1.75rem;
}

.site-footer {
  text-align: center;
  padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem) max(2.5rem, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  margin: 0 0 1rem;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.footer-nav a {
  font-size: 0.82rem;
  color: rgba(250, 250, 250, 0.62);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.footer-meta {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .hero-flanks {
    bottom: clamp(6rem, 26vh, 10rem);
  }

  .hero-flank-slot {
    width: min(32vw, 168px);
  }

  .hero-flank {
    filter: drop-shadow(0 0 14px rgba(255, 255, 255, 0.07));
  }

  .hero-flank--left {
    animation-duration: 2.4s, 5.6s;
  }

  .hero-flank--right {
    animation-duration: 2.55s, 5.9s;
  }

  .hero-title {
    font-size: clamp(2.45rem, 11vw, 3.35rem);
  }
}

@media (min-width: 1200px) {
  .hero-flank-slot {
    width: min(22vw, 300px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-flank {
    animation: none !important;
    opacity: 0.5 !important;
  }

  .hero-flank--left {
    transform: translate3d(0, 0, 0) !important;
  }

  .hero-flank--right {
    transform: translate3d(0, 0, 0) !important;
  }

  .scroll-cue-track {
    animation: none;
    transform: translate3d(0, 10px, 0);
  }

  .feature-art,
  .feature-art--from-left,
  .feature-art--from-right,
  .feature-copy.is-entering {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}