/* MindBlox — public site. Black page, white type, lots of air. */

@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter Display";
  src: url("../fonts/InterDisplay-Thin.woff2") format("woff2");
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter Display";
  src: url("../fonts/InterDisplay-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter Display";
  src: url("../fonts/InterDisplay-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter Display";
  src: url("../fonts/InterDisplay-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #000;
  --fg: #fff;
  --muted: rgba(255, 255, 255, 0.5);
  --quiet: rgba(255, 255, 255, 0.32);
  --faint: rgba(255, 255, 255, 0.14);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --max: 1120px;
  --measure: 36rem;
  --pad: clamp(1.25rem, 5vw, 3.5rem);
  --nav-h: 4.5rem;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { opacity: 0.72; }
::selection { background: #fff; color: #000; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  color: #000;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

.wrap {
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
}
.measure { max-width: var(--measure); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
}
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.brand:hover { opacity: 1; }
.brand-lockup { height: 22px; width: auto; }
.brand-mark { height: 26px; width: 26px; display: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-size: 0.875rem;
  letter-spacing: -0.01em;
}
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--fg); opacity: 1; }
.nav-cta {
  color: var(--fg) !important;
  border: 1px solid var(--fg);
  padding: 0.4rem 0.85rem 0.45rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
}
.nav-cta:hover { background: #fff; color: #000 !important; opacity: 1; }
.nav-cta small {
  display: inline-block;
  margin-left: 0.4rem;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.55;
}

/* Hero */
.hero {
  min-height: calc(100svh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8vh 0 12vh;
}
.hero-mark {
  width: 56px;
  height: 56px;
  margin-bottom: 3.25rem;
  opacity: 0;
  animation: fade 1.1s var(--ease) 0.1s forwards;
}
.hero-lines {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 100;
  font-size: clamp(1.7rem, 4.4vw, 3.15rem);
  line-height: 1.22;
  letter-spacing: -0.035em;
  margin: 0;
}
.hero-lines p {
  margin: 0 0 0.18em;
  opacity: 0;
  transform: translateY(0.45em);
  animation: rise 0.9s var(--ease) forwards;
}
.hero-lines p:nth-child(1) { animation-delay: 0.55s; }
.hero-lines p:nth-child(2) { animation-delay: 1.15s; }
.hero-lines p:nth-child(3) { animation-delay: 1.75s; }
.hero-lines p:nth-child(4) { animation-delay: 2.4s; }
.hero-lines p:nth-child(5) { animation-delay: 3.05s; }
.hero-lines p:nth-child(6) { animation-delay: 3.7s; }
.hero-lines p:nth-child(7) { animation-delay: 4.45s; font-weight: 300; }

.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--quiet);
  margin: 0 0 1.25rem;
}

/* Sections */
section { padding: 7.5rem 0; }
.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}
.loop-title {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: clamp(1.85rem, 3.6vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 1.75rem;
}
.lede {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.5;
  letter-spacing: -0.02em;
  max-width: 32rem;
  margin: 0;
}
.lede p { margin: 0 0 0.85em; }
.lede p:last-child { margin-bottom: 0; }

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0;
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: -0.01em;
}
.facts li:not(:last-child)::after {
  content: "·";
  margin: 0 0.85rem;
  color: var(--quiet);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.75rem;
  margin-top: 2.5rem;
}
.btn {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  background: #fff;
  color: #000;
  text-decoration: none;
  padding: 0.85rem 1.3rem 0.9rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  border: 1px solid #fff;
}
.btn:hover { opacity: 1; background: transparent; color: #fff; }
.btn .tag {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.5;
}
.ghost {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}
.ghost:hover { color: var(--fg); opacity: 1; }

/* Thesis */
.thesis {
  padding: 9rem 0 10rem;
  position: relative;
  overflow: hidden;
}
.thesis-mark {
  position: absolute;
  right: -8%;
  top: 50%;
  width: min(52vw, 560px);
  transform: translateY(-50%);
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
}
.thesis .kicker { margin-bottom: 2rem; }
.thesis h2 {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 100;
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.038em;
  max-width: 16ch;
  margin: 0 0 2.5rem;
}
.thesis-body {
  max-width: 32rem;
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--muted);
}
.thesis-body p { margin: 0 0 1.1em; }
.core {
  margin-top: 3.5rem;
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
  max-width: 18ch;
}

/* Product beats */
.beats { padding: 6rem 0 8rem; }
.beat {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0 1.5rem;
  padding: 2.75rem 0;
  border-top: 1px solid var(--line);
}
.beat:last-of-type { border-bottom: 1px solid var(--line); }
.beat-n {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--quiet);
  padding-top: 0.45rem;
}
.beat h3 {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.65rem;
  line-height: 1.2;
}
.beat p {
  margin: 0;
  max-width: 34rem;
  color: var(--muted);
}

/* Device */
.stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0 7rem;
}
@media (min-width: 880px) {
  .stage { grid-template-columns: 1fr 1fr; gap: 5rem; }
}
.device {
  width: min(280px, 72vw);
  margin: 0 auto;
  aspect-ratio: 9 / 18.4;
  border: 1px solid var(--line-strong);
  border-radius: 2.4rem;
  padding: 0.7rem;
  background: #050505;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04), 0 40px 80px rgba(0,0,0,0.5);
  position: relative;
}
.device::before {
  content: "";
  position: absolute;
  top: 0.85rem;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 8px;
  background: #111;
  border-radius: 999px;
}
.screen {
  height: 100%;
  border-radius: 1.85rem;
  background: #000;
  padding: 2.6rem 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.screen-label {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--quiet);
  margin-bottom: auto;
}
.thought {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  line-height: 1.35;
  margin: 0 0 1.5rem;
}
.thought .cursor {
  display: inline-block;
  width: 0.08em;
  height: 0.95em;
  background: #fff;
  margin-left: 0.08em;
  vertical-align: -0.08em;
  animation: blink 1.1s steps(1) infinite;
}
.kept {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--quiet);
}
.chip {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.25rem 0.25rem 0 0;
}

/* Page heads */
.page-head {
  padding: 6.5rem 0 3.5rem;
}
.page-head h1 {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 100;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 1.25rem;
  max-width: 14ch;
}
.page-head .sub {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 30rem;
  letter-spacing: -0.02em;
  margin: 0;
}

.prose {
  max-width: var(--measure);
  padding-bottom: 6rem;
}
.prose h2 {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  margin: 3.25rem 0 1rem;
}
.prose p { margin: 0 0 1.1em; color: var(--muted); }
.prose p.lead { color: var(--fg); font-size: 1.2rem; letter-spacing: -0.02em; }
.prose ul { margin: 0 0 1.4em; padding: 0; list-style: none; color: var(--muted); }
.prose ul li { padding: 0.35rem 0 0.35rem 1.2rem; position: relative; }
.prose ul li::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border: 1px solid var(--quiet);
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 0.85em;
}
.prose a { color: var(--fg); }

.pull {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin: 3rem 0;
  max-width: 20ch;
  color: var(--fg);
}

.price-block {
  margin: 4rem 0 0;
  padding: 2.25rem 0 0;
  border-top: 1px solid var(--line);
}
.price {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  letter-spacing: -0.04em;
  margin: 0 0 0.4rem;
}
.price span { font-size: 0.42em; letter-spacing: 0; color: var(--muted); font-weight: 400; font-family: Inter, sans-serif; }

/* Launch docs */
.doc-head { padding: 5.5rem 0 2rem; }
.doc-head h1 {
  font-family: "Inter Display", Inter, sans-serif;
  font-weight: 300;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.6rem;
}
.doc-head p { color: var(--muted); margin: 0; max-width: 36rem; }
.copy-block {
  border-top: 1px solid var(--line);
  padding: 2.25rem 0 2.5rem;
}
.copy-block h2 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--quiet);
  margin: 0 0 1.1rem;
}
.copy-body {
  white-space: pre-wrap;
  font-family: Inter, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.011em;
  margin: 0;
  max-width: 40rem;
}
.copy-body.wide { max-width: 44rem; }
button.copy {
  font: inherit;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}
button.copy:hover { border-color: #fff; }
button.copy.is-copied { background: #fff; color: #000; border-color: #fff; }

.script-line {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.25rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  max-width: 46rem;
}
.script-line dt {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--quiet);
  padding-top: 0.2rem;
}
.script-line dd { margin: 0; }
.script-line dd p { margin: 0 0 0.5em; color: var(--muted); }
.script-line dd p strong { color: var(--fg); font-weight: 500; }

/* Footer */
.foot {
  border-top: 1px solid var(--line);
  padding: 2.75rem 0 3.5rem;
  font-size: 0.8125rem;
  color: var(--quiet);
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
  align-items: center;
}
.foot nav { display: flex; flex-wrap: wrap; gap: 0.9rem 1.4rem; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--fg); opacity: 1; }
.foot-mark { width: 22px; height: 22px; opacity: 0.85; }

@keyframes fade {
  to { opacity: 1; }
}
@keyframes rise {
  to { opacity: 1; transform: none; }
}
@keyframes blink {
  50% { opacity: 0; }
}

@media (max-width: 720px) {
  .brand-lockup { display: none; }
  .brand-mark { display: block; }
  .nav-links { gap: 0.75rem; font-size: 0.8rem; }
  .nav-cta { padding: 0.35rem 0.7rem 0.38rem; }
  .nav-cta small { display: none; }
  .hero { padding: 6vh 0 10vh; }
  .hero-mark { width: 44px; height: 44px; margin-bottom: 2.4rem; }
  section { padding: 5rem 0; }
  .thesis { padding: 5.5rem 0 6.5rem; }
  .beat { grid-template-columns: 1fr; gap: 0.4rem; }
  .script-line { grid-template-columns: 1fr; gap: 0.35rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mark, .hero-lines p {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .thought .cursor { animation: none; }
}

/* Waitlist */
.waitlist { margin-top: 2.5rem; max-width: 36rem; }
.waitlist-kicker { margin-bottom: 0.85rem; }
.waitlist-row { margin-top: 0; }
.waitlist-input {
  flex: 1 1 14rem;
  min-width: 12rem;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.85rem 1.2rem 0.9rem;
  font: inherit;
  font-size: 0.9375rem;
  letter-spacing: -0.015em;
}
.waitlist-input::placeholder { color: var(--quiet); }
.waitlist-input:focus {
  outline: none;
  border-color: var(--fg);
}
.waitlist .btn { cursor: pointer; font-family: inherit; }
.honey { position: absolute; left: -9999px; height: 0; width: 0; opacity: 0; }
.waitlist-note { margin: 1rem 0 0; color: var(--muted); font-size: 0.95rem; }
.waitlist.is-done .waitlist-row { display: none; }
.waitlist.is-done .waitlist-note { display: block; }


.hero-phones {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 1.5rem;
  margin: 4.5rem auto 0;
  max-width: 920px;
  width: 100%;
}
@media (max-width: 820px) {
  .hero-phones {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 1.25rem;
    max-width: none;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }
  .hero-phones figure {
    flex: 0 0 min(260px, 72vw);
    scroll-snap-align: start;
  }
}
.hero-phones figure { margin: 0; }
.hero-phones img {
  width: 100%;
  border-radius: 2.2rem;
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
}
.hero-phones figcaption {
  margin-top: 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--quiet);
  text-align: center;
}
.device-shot {
  margin: 0 auto;
  width: min(280px, 72vw);
}
.device-shot img {
  width: 100%;
  border-radius: 2.2rem;
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
}
