:root {
  --ink: #07191d;
  --ink-deep: #020b0e;
  --paper: #fff3d8;
  --cream: #f5e7c5;
  --gold: #dba94e;
  --gold-deep: #936a25;
  --aqua: #75d7cf;
  --coral: #e96b4e;
  --line: rgba(245, 231, 197, .2);
  --atlas-site-header-height: 96px;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  background: var(--ink-deep);
}

body.atlas-launch-page {
  min-width: 320px;
  margin: 0;
  color: var(--cream);
  background:
    radial-gradient(circle at 82% 4%, rgba(219, 169, 78, .14), transparent 31rem),
    linear-gradient(180deg, #06191d, #031014 58%, #02090b);
  font-family: "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
  line-height: 1.65;
}

body.atlas-launch-page::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .32;
  background-image:
    linear-gradient(rgba(117, 215, 207, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 215, 207, .018) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}

.atlas-launch-page main { padding-top: var(--atlas-site-header-height); }

.launch-skip {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: var(--ink-deep);
  background: var(--paper);
  transform: translateY(-160%);
}

.launch-skip:focus { transform: translateY(0); }

.atlas-site-sound.launch-listen {
  color: var(--cream);
  text-decoration: none;
}

.atlas-site-sound.launch-listen::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 12px rgba(117, 215, 207, .72);
  content: "";
}

.launch-wrap {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.launch-hero {
  position: relative;
  display: grid;
  min-height: min(780px, calc(100svh - var(--atlas-site-header-height)));
  overflow: clip;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  place-items: end start;
}

.launch-hero::before,
.launch-hero::after {
  position: absolute;
  inset: 0;
  content: "";
}

.launch-hero::before {
  z-index: -2;
  background-image: var(--launch-hero-image);
  background-position: var(--launch-hero-position, 58% 50%);
  background-size: cover;
  transform: scale(1.025);
}

.launch-hero::after {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(2, 11, 14, .96) 0%, rgba(2, 11, 14, .76) 35%, rgba(2, 11, 14, .2) 72%),
    linear-gradient(180deg, rgba(2, 11, 14, .08), rgba(2, 11, 14, .96));
}

.launch-hero-copy {
  width: min(790px, 100%);
  padding: clamp(72px, 12vw, 150px) 0 clamp(64px, 9vw, 110px);
}

.launch-kicker,
.launch-section-label,
.launch-meta {
  margin: 0 0 20px;
  color: var(--aqua);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.launch-hero h1,
.launch-heading,
.launch-document h1 {
  margin: 0;
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: .93;
  text-wrap: balance;
}

.launch-hero h1 { font-size: clamp(58px, 9.2vw, 132px); }
.launch-hero h1 em,
.launch-heading em { color: var(--gold); font-weight: 400; }

.launch-lede {
  max-width: 670px;
  margin: 30px 0 0;
  color: rgba(255, 243, 216, .86);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(19px, 2.2vw, 28px);
  line-height: 1.52;
}

.launch-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.launch-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border: 1px solid rgba(245, 231, 197, .34);
  border-radius: 2px;
  color: var(--paper);
  background: rgba(2, 11, 14, .54);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .15em;
  text-decoration: none;
  text-transform: uppercase;
}

.launch-button-primary {
  border-color: var(--coral);
  background: linear-gradient(135deg, #e96b4e, #c94c37);
  box-shadow: 0 14px 32px rgba(120, 37, 23, .24);
}

.launch-button:hover,
.launch-button:focus-visible { border-color: var(--aqua); outline: none; }

.launch-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 32px 0 0;
  padding: 0;
  color: rgba(245, 231, 197, .68);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  list-style: none;
  text-transform: uppercase;
}

.launch-trust-strip li::before { margin-right: 9px; color: var(--aqua); content: "●"; }

.launch-section {
  padding: clamp(74px, 10vw, 130px) 0;
  border-bottom: 1px solid var(--line);
}

.launch-heading { max-width: 780px; font-size: clamp(44px, 6.4vw, 82px); }

.launch-section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .7fr);
  gap: clamp(38px, 8vw, 110px);
  align-items: end;
}

.launch-section-intro > p {
  margin: 0;
  color: rgba(245, 231, 197, .74);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(18px, 2vw, 24px);
}

.launch-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 52px;
}

.launch-card {
  min-height: 300px;
  padding: clamp(26px, 3.2vw, 42px);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(13, 42, 47, .74), rgba(2, 11, 14, .74));
  box-shadow: inset 0 1px rgba(255, 255, 255, .03);
}

.launch-card-index {
  display: block;
  margin-bottom: 74px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em;
}

.launch-card h2,
.launch-card h3,
.launch-document h2,
.launch-document h3,
.support-topic h2 {
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.18;
}

.launch-card h3 { margin: 0 0 12px; font-size: 28px; }
.launch-card p { margin: 0; color: rgba(245, 231, 197, .68); }

.launch-scenic {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  align-items: end;
  background: #041215;
}

.launch-scenic img {
  position: absolute;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 50%;
}

.launch-scenic::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(2, 11, 14, .08), rgba(2, 11, 14, .92));
}

.launch-scenic-copy { width: min(760px, 100%); padding-bottom: clamp(58px, 8vw, 96px); }
.launch-scenic-copy p { max-width: 620px; color: rgba(255, 243, 216, .82); font-size: 19px; }

.quiet-scroll-runner {
  position: relative;
  height: 330vh;
  border-bottom: 1px solid var(--line);
}

.quiet-scroll-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink-deep);
}

.quiet-scroll-scenes,
.quiet-scroll-scene,
.quiet-scroll-scene img,
.quiet-scroll-shade {
  position: absolute;
  inset: 0;
}

.quiet-scroll-scene {
  margin: 0;
  opacity: var(--quiet-opacity, 0);
  transform: scale(var(--quiet-scale, 1.06)) translateY(var(--quiet-y, 0));
  transition: opacity .2s linear;
  will-change: transform, opacity;
}

.quiet-scroll-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.76) contrast(1.05) brightness(.66);
}

.quiet-scroll-scene::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(2, 11, 14, .9), rgba(2, 11, 14, .46) 47%, rgba(2, 11, 14, .22)), linear-gradient(180deg, rgba(2, 11, 14, .12), rgba(2, 11, 14, .84));
}

.quiet-scroll-shade {
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(circle at 70% 35%, transparent, rgba(2, 11, 14, .3) 62%, rgba(2, 11, 14, .72));
}

.quiet-scroll-copy {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: max(20px, calc((100% - 1160px) / 2));
  width: min(620px, calc(100% - 100px));
  transform: translateY(-50%);
}

.quiet-scroll-chapter {
  position: absolute;
  top: 50%;
  width: 100%;
  opacity: var(--quiet-chapter-opacity, 0);
  pointer-events: none;
  transform: translateY(calc(-50% + var(--quiet-chapter-y, 30px)));
  transition: opacity .24s linear, transform .24s ease-out;
  will-change: transform, opacity;
}

.quiet-scroll-chapter.is-active { pointer-events: auto; }
.quiet-scroll-chapter .launch-section-label { margin-bottom: 18px; }
.quiet-scroll-chapter .launch-heading { font-size: clamp(45px, 6.6vw, 88px); }
.quiet-scroll-chapter > p:not(.launch-section-label) { max-width: 550px; margin: 24px 0 0; color: rgba(255, 243, 216, .84); font: 400 clamp(17px, 1.7vw, 23px)/1.48 Georgia, serif; }
.quiet-scroll-stamp { display: inline-block; margin-top: 26px; padding-top: 11px; border-top: 1px solid rgba(245, 231, 197, .4); color: rgba(245, 231, 197, .75); font-size: 9px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }

.quiet-scroll-index {
  position: absolute;
  z-index: 5;
  right: clamp(20px, 5vw, 80px);
  top: 50%;
  display: flex;
  flex-direction: column;
  gap: 11px;
  align-items: center;
  transform: translateY(-50%);
}

.quiet-scroll-index span { color: rgba(245, 231, 197, .46); font-size: 8px; font-weight: 800; letter-spacing: .12em; transition: color .2s, transform .2s; }
.quiet-scroll-index span.is-active { color: var(--aqua); transform: scale(1.25); }
.quiet-scroll-index i { width: 1px; height: 20px; background: rgba(245, 231, 197, .25); }
.quiet-scroll-index::before { position: absolute; top: 0; bottom: 0; width: 1px; background: linear-gradient(var(--gold), var(--aqua)); content: ""; opacity: .55; }

.launch-route-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  padding: clamp(48px, 7vw, 82px) 0;
}

.launch-route-band h2 { margin: 0; color: var(--paper); font: 500 clamp(36px, 5vw, 64px)/1 Georgia, serif; letter-spacing: -.035em; }
.launch-route-band p { max-width: 720px; margin: 18px 0 0; color: rgba(245, 231, 197, .7); }

.launch-document-hero {
  padding: clamp(74px, 9vw, 120px) 0 clamp(52px, 7vw, 86px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(2, 11, 14, .92), rgba(2, 11, 14, .5)),
    url("/assets/generated/atlas-broadcast-cartography-v1.jpg") center/cover;
}

.launch-document h1 { max-width: 900px; font-size: clamp(54px, 7.8vw, 104px); }
.utility-accessible-title {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.launch-document-summary { max-width: 760px; margin: 28px 0 0; color: rgba(255, 243, 216, .82); font: 20px/1.55 Georgia, serif; }

.launch-document-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 780px);
  gap: clamp(42px, 8vw, 110px);
  align-items: start;
  padding: clamp(64px, 9vw, 112px) 0;
}

.launch-toc {
  position: sticky;
  top: calc(var(--atlas-site-header-height) + 28px);
  padding: 22px 0;
  border-block: 1px solid var(--line);
}

.launch-toc strong { display: block; margin-bottom: 14px; color: var(--gold); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.launch-toc a { display: block; padding: 7px 0; color: rgba(245, 231, 197, .68); font-size: 13px; text-decoration: none; }
.launch-toc a:hover,
.launch-toc a:focus-visible { color: var(--aqua); }

.launch-prose section { padding: 0 0 46px; scroll-margin-top: calc(var(--atlas-site-header-height) + 28px); }
.launch-prose section + section { padding-top: 46px; border-top: 1px solid var(--line); }
.launch-prose h2 { margin: 0 0 16px; font-size: clamp(29px, 3.2vw, 42px); }
.launch-prose h3 { margin: 26px 0 8px; font-size: 22px; }
.launch-prose p,
.launch-prose li { color: rgba(245, 231, 197, .76); }
.launch-prose ul,
.launch-prose ol { padding-left: 1.25rem; }
.launch-prose a { color: var(--aqua); }

.launch-fact-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
}

.launch-fact,
.support-topic {
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(8, 31, 35, .6);
}

.launch-fact strong { display: block; color: var(--paper); }
.launch-fact span { display: block; margin-top: 4px; color: rgba(245, 231, 197, .6); font-size: 13px; }
.support-topic h2 { margin: 0 0 10px; font-size: 26px; }
.support-topic p,
.support-topic li { color: rgba(245, 231, 197, .7); }

.launch-decision {
  margin: 26px 0;
  padding: 22px 24px;
  border: 1px solid rgba(219, 169, 78, .52);
  border-left: 4px solid var(--gold);
  background: rgba(147, 106, 37, .12);
}

.launch-decision strong { display: block; margin-bottom: 5px; color: var(--gold); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.launch-decision p { margin: 0; }

.launch-footer {
  padding: 42px 0 max(42px, env(safe-area-inset-bottom));
  color: rgba(245, 231, 197, .56);
  font-size: 12px;
}

.launch-footer .launch-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.launch-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.launch-footer a { color: var(--cream); text-decoration: none; }
.launch-footer a:hover,
.launch-footer a:focus-visible { color: var(--aqua); }

@media (max-width: 900px) {
  .launch-section-intro,
  .launch-document-layout { grid-template-columns: 1fr; }
  .launch-card-grid { grid-template-columns: 1fr; }
  .launch-card { min-height: 0; }
  .launch-card-index { margin-bottom: 34px; }
  .launch-toc { position: static; columns: 2; }
  .launch-toc strong { column-span: all; }
}

@media (max-width: 680px) {
  .launch-wrap { width: min(100% - 28px, 1160px); }
  .launch-hero { min-height: 720px; }
  .launch-hero::before { background-position: 65% 50%; }
  .launch-hero::after { background: linear-gradient(180deg, rgba(2, 11, 14, .24), rgba(2, 11, 14, .92) 56%, #020b0e); }
  .launch-hero-copy { align-self: end; padding-bottom: 56px; }
  .launch-actions { display: grid; }
  .launch-button { width: 100%; }
  .launch-trust-strip { display: grid; gap: 8px; }
  .launch-route-band { grid-template-columns: 1fr; }
  .launch-fact-grid,
  .support-grid { grid-template-columns: 1fr; }
  .launch-toc { columns: 1; }
  .atlas-site-sound.launch-listen { min-width: 44px; font-size: 0; }
  .atlas-site-sound.launch-listen::after { font-size: 11px; content: "Listen"; }
  .quiet-scroll-runner { height: 285vh; }
  .quiet-scroll-stage { min-height: 600px; }
  .quiet-scroll-copy { left: 20px; width: calc(100% - 74px); }
  .quiet-scroll-chapter .launch-heading { font-size: clamp(42px, 13vw, 66px); }
  .quiet-scroll-chapter > p:not(.launch-section-label) { margin-top: 17px; font-size: 15px; line-height: 1.42; }
  .quiet-scroll-stamp { margin-top: 18px; font-size: 7px; }
  .quiet-scroll-index { right: 14px; gap: 8px; }
  .quiet-scroll-index i { height: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .launch-hero::before { transform: none; }
  .quiet-scroll-scene,
  .quiet-scroll-chapter { transition: none; }
}
