:root {
  --void: #05050a;
  --ink: #11131d;
  --panel: #171827;
  --panel-soft: #202236;
  --paper: #f6f8fb;
  --mist: #cfd6e6;
  --muted: #8d96ad;
  --cyan: #21d9ff;
  --violet: #8d37ff;
  --magenta: #ff3df2;
  --amber: #ffb22e;
  --green: #63d36b;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--paper);
  background:
    radial-gradient(circle at 17% 12%, rgba(33, 217, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 81% 6%, rgba(141, 55, 255, 0.2), transparent 31rem),
    linear-gradient(135deg, #040409 0%, #11131d 42%, #05050a 100%);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image:
    linear-gradient(120deg, transparent 0 48%, rgba(33, 217, 255, 0.25) 48% 48.2%, transparent 48.2%),
    linear-gradient(62deg, transparent 0 58%, rgba(255, 61, 242, 0.2) 58% 58.16%, transparent 58.16%),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 46px 46px, 46px 46px;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem clamp(1rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 10, 0.78);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--paper);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 6px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  justify-content: flex-end;
  font-size: 0.82rem;
  color: var(--mist);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

nav a {
  text-decoration: none;
}

nav a:focus-visible,
.button:focus-visible,
input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

main {
  overflow: hidden;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(300px, 0.97fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 72px);
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.hero-copy {
  max-width: 720px;
}

.kicker {
  margin: 0 0 0.9rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", "Inter", sans-serif;
  line-height: 0.98;
}

h1 {
  max-width: 11ch;
  font-size: clamp(2.75rem, 5.2vw, 4.8rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2.35rem, 5.4vw, 5rem);
  letter-spacing: 0;
}

h3 {
  color: #fff;
  font-size: 1.2rem;
  line-height: 1.15;
}

p {
  margin: 0;
  color: var(--mist);
}

strong {
  color: #fff;
}

.dek {
  margin: 1.5rem 0 1.2rem;
  color: #fff;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
}

.actions,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #fff;
  font: 800 0.82rem/1 "Inter", sans-serif;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.primary,
button {
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), var(--violet) 52%, var(--magenta));
  box-shadow: 0 12px 34px rgba(33, 217, 255, 0.18);
}

.secondary {
  background: rgba(255, 255, 255, 0.06);
}

.hero-art {
  position: relative;
  isolation: isolate;
  min-height: 430px;
}

.hero-art::before,
.hero-art::after {
  position: absolute;
  z-index: -1;
  content: "";
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  clip-path: polygon(15% 0, 100% 9%, 86% 100%, 0 86%);
}

.hero-art::before {
  inset: 2.5rem 0 3rem 2.2rem;
}

.hero-art::after {
  inset: 0 4.7rem 0 0;
  border-color: rgba(33, 217, 255, 0.42);
  transform: rotate(-7deg);
}

.hero-art img {
  width: min(100%, 470px);
  margin: 0 auto;
  transform: rotate(-4deg);
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 36px rgba(33, 217, 255, 0.24));
}

.manifesto {
  padding: clamp(3rem, 8vw, 7rem) 1rem;
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(0 6vw, 100% 0, 100% calc(100% - 5vw), 0 100%);
}

.text-block {
  width: min(980px, 100%);
  margin: 0 auto;
  columns: 2 320px;
  column-gap: clamp(2rem, 6vw, 5rem);
}

.manifesto p {
  color: #343847;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  break-inside: avoid;
}

.manifesto strong {
  color: #05050a;
}

.book-band {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.book-band a,
.section-heading a {
  color: var(--cyan);
}

.signup {
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
}

.signup label {
  display: block;
  color: #fff;
  font-weight: 800;
  line-height: 1.3;
}

.signup div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  margin: 1.1rem 0 0.7rem;
}

input {
  min-width: 0;
  min-height: 48px;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #fff;
  background: rgba(5, 5, 10, 0.7);
  font: inherit;
}

.signup p {
  font-size: 0.88rem;
}

.toc {
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 4vw, 3.5rem);
  background: #0b0c14;
}

.section-heading {
  width: min(980px, 100%);
  margin: 0 auto clamp(2rem, 5vw, 4rem);
}

.section-heading p {
  max-width: 760px;
  margin-top: 1rem;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(1280px, 100%);
  margin: 0 auto;
  background: var(--line);
}

.toc-grid article,
.principles article {
  min-height: 100%;
  padding: clamp(1rem, 2vw, 1.45rem);
  background: linear-gradient(145deg, rgba(255,255,255,0.09), rgba(255,255,255,0.035));
}

.toc-grid article:nth-child(3n + 1) {
  border-top: 3px solid var(--cyan);
}

.toc-grid article:nth-child(3n + 2) {
  border-top: 3px solid var(--violet);
}

.toc-grid article:nth-child(3n) {
  border-top: 3px solid var(--amber);
}

ul {
  display: grid;
  gap: 0.75rem;
  margin: 1.1rem 0 0;
  padding: 0;
  color: var(--mist);
  list-style: none;
}

li {
  position: relative;
  padding-left: 1rem;
}

li::before {
  position: absolute;
  top: 0.62rem;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  content: "";
  background: var(--cyan);
  transform: rotate(45deg);
}

.beyond {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.beyond img,
.image-rail img,
.contact img {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.beyond img {
  clip-path: polygon(0 0, 100% 8%, 92% 100%, 8% 92%);
}

.selltype {
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 4vw, 3.5rem);
  background: linear-gradient(180deg, #f7f9fc, #e8edf5);
}

.selltype h2,
.selltype h3,
.selltype strong {
  color: #090b13;
}

.selltype p,
.selltype li {
  color: #42495b;
}

.image-rail {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 1rem;
  width: min(1280px, 100%);
  margin: 0 auto 1rem;
}

.image-rail img {
  width: 100%;
  height: 320px;
  object-fit: contain;
  padding: 1rem;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(1280px, 100%);
  margin: 0 auto;
  background: rgba(5, 5, 10, 0.12);
}

.principles article {
  background: #fff;
}

.contact {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.contact img {
  width: 220px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .section-grid,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-art {
    min-height: 0;
  }

  .hero-art img {
    width: min(100%, 520px);
  }

  .toc-grid,
  .principles,
  .image-rail {
    grid-template-columns: 1fr 1fr;
  }

  .image-rail img:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand {
    max-width: 100%;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    overflow-x: hidden;
    padding-bottom: 0.35rem;
    font-size: 0.72rem;
  }

  .kicker {
    max-width: 100%;
    font-size: 0.68rem;
    overflow-wrap: anywhere;
  }

  h1 {
    max-width: 11ch;
  }

  .actions,
  .contact-links {
    display: grid;
    grid-template-columns: 1fr;
  }

  .toc-grid,
  .principles,
  .image-rail,
  .signup div {
    grid-template-columns: 1fr;
  }

  .image-rail img {
    height: auto;
  }

  .contact {
    text-align: left;
  }
}

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