:root {
  color-scheme: dark;
  --ink: #f7f8ff;
  --muted: #acb4d0;
  --bg: #080b18;
  --surface: #10152b;
  --line: rgba(170, 187, 255, .17);
  --cyan: #5af3ee;
  --violet: #ad72ff;
  --pink: #f04cff;
  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 6%, rgba(142, 70, 255, .15), transparent 28rem),
    radial-gradient(circle at 16% 19%, rgba(36, 205, 237, .09), transparent 22rem),
    var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.66;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .7rem 1rem;
  border-radius: .6rem;
  background: white;
  color: #080b18;
  text-decoration: none;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 2.5rem), var(--max));
  min-height: 4.5rem;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 24, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-size: 1.05rem;
  font-weight: 720;
  letter-spacing: -.01em;
  text-decoration: none;
}

.brand-mark {
  display: flex;
  align-items: end;
  gap: 3px;
  width: 1.45rem;
  height: 1.45rem;
  padding: 3px;
  border: 1px solid rgba(90, 243, 238, .45);
  border-radius: 6px;
}

.brand-mark i {
  display: block;
  width: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--pink));
}

.brand-mark i:nth-child(1) { height: 56%; }
.brand-mark i:nth-child(2) { height: 92%; }
.brand-mark i:nth-child(3) { height: 70%; }

nav { display: flex; gap: 1.75rem; }

nav a {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 620;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, .8fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 7rem);
  width: min(calc(100% - 2.5rem), var(--max));
  min-height: min(760px, calc(100vh - 4.5rem));
  margin: 0 auto;
  padding: 5.5rem 0 6.5rem;
}

.eyebrow {
  margin: 0 0 .75rem;
  color: var(--cyan);
  font-size: .78rem;
  font-weight: 760;
  letter-spacing: .14em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 11ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.3rem, 7vw, 6.5rem);
  font-weight: 790;
  letter-spacing: -.065em;
  line-height: .94;
}

h1 span {
  background: linear-gradient(110deg, var(--cyan), #a899ff 55%, var(--pink));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-intro {
  max-width: 37rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.hero-links { display: flex; flex-wrap: wrap; gap: .8rem; }

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.05rem;
  border: 1px solid transparent;
  border-radius: .8rem;
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  background: var(--ink);
  color: #0a0d1c;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--ink);
}

.button:hover { transform: translateY(-1px); }

.app-pair {
  position: relative;
  min-height: 30rem;
}

.app-pair::before {
  content: "";
  position: absolute;
  inset: 12% 5%;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(60, 229, 241, .2), rgba(239, 52, 255, .18));
  filter: blur(55px);
}

.icon-card {
  position: absolute;
  width: min(68%, 18rem);
  margin: 0;
}

.icon-card-books { top: 0; left: 0; transform: rotate(-5deg); }
.icon-card-podcasts { right: 0; bottom: 0; transform: rotate(5deg); }

.icon-card img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 23%;
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, .45);
}

.icon-card figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .65rem .4rem 0;
  color: var(--muted);
  font-size: .8rem;
}

.icon-card figcaption strong { color: var(--ink); }

.product {
  display: grid;
  grid-template-columns: minmax(18rem, .76fr) minmax(33rem, 1.24fr);
  gap: clamp(3rem, 7vw, 6rem);
  width: min(calc(100% - 2.5rem), var(--max));
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-top: 1px solid var(--line);
}

.product-podcasts .product-copy { order: 2; }
.product-podcasts .screenshots { order: 1; }

.product-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.mini-icon {
  width: 4.7rem;
  height: 4.7rem;
  border-radius: 23%;
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, .3);
}

h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 780;
  letter-spacing: -.055em;
  line-height: .95;
}

.product-copy > p:not(.eyebrow) { color: var(--muted); }

.product-copy .lead {
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 560;
  line-height: 1.45;
}

h3 {
  margin: 2.3rem 0 1rem;
  font-size: 1rem;
}

.feature-list {
  display: grid;
  gap: .65rem;
  margin: 0 0 2.2rem;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.6rem;
  color: #dce0f2;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: .68em;
  left: .15rem;
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 1rem rgba(90, 243, 238, .45);
}

.requirement {
  margin-top: 2.2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: rgba(255, 255, 255, .035);
  font-size: .9rem;
}

.screenshots {
  position: sticky;
  top: 7.5rem;
  align-self: start;
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  align-items: center;
  gap: 1rem;
  min-height: 36rem;
  padding: 2rem 0;
}

.screenshots::before {
  content: "";
  position: absolute;
  inset: 18% 10%;
  z-index: -1;
  border-radius: 50%;
  background: rgba(103, 87, 255, .16);
  filter: blur(50px);
}

.screen { margin: 0; }

.screen img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(199, 206, 255, .22);
  border-radius: 1.35rem;
  background: #0c1024;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .45);
}

.screen-wide img { border-radius: 1.1rem; }
.screen-front { transform: rotate(-3deg) translateX(.8rem); }
.screen-back { transform: rotate(3deg) translateX(-.8rem); }
.screen-wide { z-index: 2; }

.screen figcaption {
  padding: .8rem .15rem 0;
  color: var(--muted);
  font-size: .75rem;
  text-align: center;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(calc(100% - 2.5rem), var(--max));
  margin: 0 auto;
  padding: 2.2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}

footer p { margin: 0; }

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 5rem;
  }

  .hero-copy { text-align: center; }
  .hero h1, .hero-intro { margin-left: auto; margin-right: auto; }
  .hero-links { justify-content: center; }
  .app-pair { width: min(100%, 33rem); min-height: 30rem; margin: 0 auto; }

  .product { grid-template-columns: 1fr; }
  .product-podcasts .product-copy,
  .product-podcasts .screenshots { order: initial; }
  .screenshots { position: relative; top: auto; width: min(100%, 44rem); margin: 0 auto; }
}

@media (max-width: 600px) {
  .site-header { width: min(calc(100% - 1.5rem), var(--max)); }
  nav { gap: 1rem; }
  nav a { font-size: .8rem; }
  .hero, .product, footer { width: min(calc(100% - 2rem), var(--max)); }
  .hero { padding: 4rem 0 5.5rem; }
  .app-pair { min-height: 23rem; }
  .icon-card { width: 64%; }
  .icon-card figcaption { display: block; }
  .icon-card figcaption span { display: block; }
  .product { gap: 2.4rem; padding: 4.8rem 0; }
  .screenshots { grid-template-columns: .9fr 1.15fr .9fr; gap: .45rem; min-height: 22rem; padding: 0; }
  .screen img { border-radius: .75rem; }
  .screen-wide img { border-radius: .65rem; }
  .screen figcaption { font-size: .68rem; }
  footer { align-items: flex-start; flex-direction: column; gap: .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button:hover { transform: none; }
}