/* stayunsold.com: the Unsold home page. Brand layer as in DESIGN.md §4b:
   night, film grain, halftone, lime tape and flat hard shadows, red only for
   the corporate walls. */
:root {
  --lime: #c8f53b;
  --deep: #9cbf22;
  --ink: #0b0b0c;
  --raised: #131315;
  --stone: #1c1c21;
  --paper: #f4f4ee;
  --text: #ecebe6;
  --dim: #a2a19b;
  --faint: #6c6b66;
  --red: #e5484d;
  --line: rgba(255, 255, 255, 0.08);
  --sans: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.07;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
}
h1,
h2,
h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
}
h1,
h2 {
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.96;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.wrap.narrow {
  max-width: 720px;
}
.lime {
  color: var(--lime);
}
.mark {
  padding: 0 0.1em;
  background: var(--lime);
  color: var(--ink);
}
.zero {
  height: auto;
  pointer-events: none;
}
.halftone {
  background-image: radial-gradient(
    rgba(244, 244, 238, 0.06) 1.2px,
    transparent 1.6px
  );
  background-size: 9px 9px;
}
.eyebrow,
.kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 4px 10px 3px;
  background: var(--lime);
  font: 500 12px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  transform: rotate(-2deg);
}
.kicker {
  background: var(--paper);
}
.section-title {
  font-size: clamp(38px, 5vw, 64px);
}
.fine {
  font-size: 13px;
  color: var(--faint);
}

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition:
    transform 0.12s ease,
    box-shadow 0.12s ease,
    background 0.15s ease;
}
.btn:hover {
  transform: translate(-1px, -1px);
}
.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
}
.btn-lime {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--deep);
}
.btn-lime:hover {
  background: #d8ff58;
  box-shadow: 5px 5px 0 var(--deep);
}
.btn-lime:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0 var(--deep);
}
.btn-ghost {
  border: 2px solid rgba(255, 255, 255, 0.22);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* ---------------------------------------------------------------- nav */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 40px) 24px;
  background: linear-gradient(
    rgba(11, 11, 12, 0.92),
    rgba(11, 11, 12, 0.6) 60%,
    rgba(11, 11, 12, 0)
  );
}
.nav-logo img {
  height: 30px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--dim);
}
.nav-link:hover {
  color: var(--text);
}
@media (max-width: 760px) {
  .nav-link {
    display: none;
  }
}

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 30% at 70% 8%, #17171b, transparent 70%),
    var(--ink);
}
.city {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14vh;
  width: 100%;
  height: 62vh;
  /* the city fades out behind the headline */
  -webkit-mask-image: linear-gradient(90deg, transparent 8%, #000 52%);
  mask-image: linear-gradient(90deg, transparent 8%, #000 52%);
}
.neon {
  font: 700 15px var(--sans);
  letter-spacing: 0.08em;
  fill: var(--red);
  opacity: 0.75;
  animation: buzz 6s steps(1) infinite;
}
@keyframes buzz {
  0%,
  100% {
    opacity: 0.75;
  }
  91% {
    opacity: 0.2;
  }
  93% {
    opacity: 0.75;
  }
  95% {
    opacity: 0.3;
  }
}
.rain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: opacity 1.6s ease;
}
.rain::before,
.rain::after {
  content: "";
  position: absolute;
  inset: -200px -100px;
  background-image: repeating-linear-gradient(
    100deg,
    transparent 0 46px,
    rgba(244, 244, 238, 0.09) 46px 47px,
    transparent 47px 91px
  );
  background-size: 100% 140px;
  animation: rain 0.55s linear infinite;
}
.rain::after {
  background-image: repeating-linear-gradient(
    100deg,
    transparent 0 71px,
    rgba(244, 244, 238, 0.05) 71px 72px,
    transparent 72px 130px
  );
  background-size: 100% 90px;
  animation-duration: 0.8s;
}
@keyframes rain {
  to {
    transform: translate(-24px, 140px);
  }
}
/* the searchlight: from behind Zero up to the lit signal. home.js sets the
   clip-path from where Zero and the signal actually are, so it lines up at
   every screen size. */
.beam {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(200, 245, 59, 0.3),
    rgba(200, 245, 59, 0.05)
  );
  clip-path: polygon(0 0, 0 0, 0 0);
  opacity: 0;
  transition: opacity 1.2s ease 0.3s;
}
.signal {
  position: absolute;
  top: 9vh;
  right: 12vw;
  width: clamp(170px, 22vw, 320px);
  opacity: 0;
  transform: translateY(24px) scale(0.92);
  transition:
    opacity 0.9s ease 0.5s,
    transform 0.9s cubic-bezier(0.2, 1.4, 0.4, 1) 0.5s;
}
.roof {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 14vh;
  background: var(--stone);
  border-top: 5px solid #000;
}
.hero-zero {
  position: absolute;
  right: 14vw;
  bottom: calc(14vh - 4px);
  width: clamp(150px, 16vw, 250px);
  transform-origin: 50% 94%;
}
.lit .rain {
  opacity: 0;
}
.lit .beam {
  opacity: 1;
}
.lit .signal {
  opacity: 1;
  transform: none;
}
.hero-copy {
  position: absolute;
  left: clamp(20px, 7vw, 100px);
  top: 50%;
  translate: 0 -54%;
  z-index: 2;
  width: min(560px, 48vw);
}
.hero h1 {
  font-size: clamp(44px, 5.6vw, 84px);
}
.sub {
  margin: 22px 0 0;
  max-width: 460px;
  font-size: clamp(16px, 1.3vw, 19px);
  color: var(--dim);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
@media (max-width: 860px) {
  .hero-copy {
    top: 104px;
    translate: none;
    width: auto;
    right: 20px;
  }
  .signal {
    top: auto;
    bottom: calc(14vh + 40px);
    right: auto;
    left: 8vw;
    width: 120px;
  }
  .hero-zero {
    right: 8vw;
    width: 120px;
  }
  .city {
    height: 40vh;
  }
}

/* ---------------------------------------------------------------- apps */
.apps {
  padding: clamp(90px, 11vw, 140px) 0;
  border-top: 1px solid var(--line);
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 36px);
  /* room for Zero, who stands on each card's top edge */
  margin-top: clamp(150px, 15vw, 190px);
}
.app-card {
  position: relative;
  padding: 30px clamp(22px, 3vw, 36px) 32px;
  border-radius: 26px;
  background: var(--raised);
  border: 1px solid var(--line);
  box-shadow: 8px 8px 0 var(--lime);
}
.app-card.next {
  box-shadow: 8px 8px 0 #2a2a30;
}
.app-zero {
  position: absolute;
  right: 18px;
  bottom: calc(100% - 20px);
  width: clamp(120px, 12vw, 160px);
}
.app-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.app-head h3 {
  font-size: clamp(26px, 2.6vw, 34px);
}
.app-tile {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #1d1d1b;
  color: var(--paper);
  font: 800 13px var(--sans);
  letter-spacing: 0.02em;
}
.status {
  margin: 4px 0 0;
  font: 500 11px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.status.live {
  color: var(--lime);
}
.app-card > p {
  margin: 18px 0 0;
  color: var(--dim);
}
.app-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
@media (max-width: 820px) {
  .app-grid {
    grid-template-columns: 1fr;
    row-gap: 150px;
    margin-top: 150px;
  }
}

/* ---------------------------------------------------------------- promise */
.promise {
  padding: clamp(90px, 11vw, 140px) 0;
  border-top: 1px solid var(--line);
}
.promise-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.promise-zero {
  width: min(300px, 70%);
  margin-top: 36px;
}
.promises {
  list-style: none;
  counter-reset: p;
  margin: 0;
  padding: 0;
}
.promises li {
  counter-increment: p;
  position: relative;
  padding: 24px 0 24px 64px;
  border-top: 1px solid var(--line);
}
.promises li::before {
  content: counter(p, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 26px;
  font: 500 14px var(--mono);
  color: var(--lime);
}
.promises h3 {
  font-size: clamp(22px, 2.2vw, 28px);
}
.promises p {
  margin: 8px 0 0;
  color: var(--dim);
}
@media (max-width: 820px) {
  .promise-grid {
    grid-template-columns: 1fr;
  }
  .promise-zero {
    width: 200px;
  }
}

/* ---------------------------------------------------------------- free */
.free {
  padding: clamp(90px, 11vw, 140px) 0;
  border-top: 1px solid var(--line);
}
.qa {
  margin: 44px 0 0;
}
.qa dt {
  margin-top: 32px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.qa dt:first-child {
  margin-top: 0;
}
.qa dd {
  margin: 8px 0 0;
  color: var(--dim);
}

/* ---------------------------------------------------------------- posters */
.posters {
  padding: clamp(90px, 11vw, 140px) 0;
  border-top: 1px solid var(--line);
}
.poster-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 32px);
  margin-top: 48px;
}
.poster-row a {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 6px 6px 0 #000;
  transition: transform 0.15s ease;
}
.poster-row img {
  width: 100%;
  height: auto;
}
.poster-row a:nth-child(1) {
  transform: rotate(-1.5deg);
}
.poster-row a:nth-child(3) {
  transform: rotate(1.5deg);
}
.poster-row a:hover {
  transform: translateY(-4px) rotate(0);
}
.posters .fine {
  margin-top: 26px;
}
@media (max-width: 760px) {
  .poster-row {
    grid-template-columns: 1fr;
    max-width: 360px;
  }
}

/* ---------------------------------------------------------------- coffee + footer */
.coffee {
  padding: clamp(80px, 11vw, 130px) 0;
  text-align: center;
  border-top: 1px solid var(--line);
}
.coffee-zero {
  width: 180px;
  margin: 0 auto 8px;
}
.coffee-line {
  margin: 0 auto 28px;
  max-width: 600px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.bmc {
  display: inline-block;
  transition: transform 0.15s ease;
}
.bmc:hover {
  transform: translateY(-2px) rotate(-1deg);
}
.foot {
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  color: var(--dim);
  font-size: 14px;
}
.foot-inner img {
  height: 26px;
  width: auto;
}
.foot-inner p {
  margin: 0;
}
.foot-inner .fine {
  margin-left: auto;
}

/* ---------------------------------------------------------------- calm */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .rain {
    display: none;
  }
  .neon {
    animation: none;
  }
  .beam,
  .signal {
    transition: none;
  }
}