@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("../fonts/Newsreader-Variable-Latin.woff2") format("woff2");
}

@font-face {
  font-family: "Newsreader";
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
  src: url("../fonts/Newsreader-Italic-Variable-Latin.woff2") format("woff2");
}

:root {
  --ink: #071a13;
  --ink-deep: #03120c;
  --ink-soft: #0e2b1f;
  --paper: #e8e1cb;
  --paper-light: #f2ecd9;
  --teal: #63c98a;
  --teal-bright: #a1e6b4;
  --brass: #b79a60;
  --brass-light: #d8c28b;
  --coral: #df705f;
  --line-dark: rgba(216, 194, 139, 0.25);
  --line-paper: rgba(7, 26, 19, 0.2);
  --page-gutter: clamp(40px, 10vw, 190px);
  --serif: "Newsreader", "Noto Serif SC", "Source Han Serif SC", "Songti SC",
    STSong, Georgia, serif;
  --sans: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button {
  border: 0;
}

::selection {
  color: var(--ink-deep);
  background: var(--teal-bright);
}

.site-shell {
  min-width: 320px;
  overflow: hidden;
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: 88px;
  padding: 0 var(--page-gutter);
  border-bottom: 1px solid var(--line-dark);
  background: linear-gradient(180deg, rgba(3, 18, 12, 0.76), transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.045em;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 48px);
}

.site-header nav a {
  position: relative;
  color: rgba(232, 225, 203, 0.72);
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

.site-header nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--paper-light);
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after {
  transform: scaleX(1);
}

.language-switch {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  color: rgba(232, 225, 203, 0.5);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.language-switch i {
  width: 19px;
  height: 1px;
  background: rgba(232, 225, 203, 0.3);
}

.language-switch .active {
  color: var(--teal-bright);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  min-height: min(940px, 100svh);
  padding: 150px var(--page-gutter) 82px;
  background:
    linear-gradient(
      90deg,
      rgba(3, 18, 12, 0.96) 0%,
      rgba(3, 18, 12, 0.84) 34%,
      rgba(3, 18, 12, 0.34) 58%,
      rgba(3, 18, 12, 0.04) 82%
    ),
    linear-gradient(0deg, rgba(3, 18, 12, 0.58) 0%, transparent 34%),
    linear-gradient(rgba(116, 191, 171, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 191, 171, 0.035) 1px, transparent 1px),
    url("../tree-of-life-engraving.png"),
    var(--ink-deep);
  background-position: center, center, center, center, center;
  background-size: cover, cover, 44px 44px, 44px 44px, cover;
  background-repeat: no-repeat, no-repeat, repeat, repeat, no-repeat;
}

.hero::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 73% 36%, rgba(170, 143, 89, 0.09), transparent 27%);
  content: "";
  pointer-events: none;
}

.hero::after {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 3px,
    rgba(4, 16, 18, 0.08) 4px
  );
  content: "";
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 880px;
  padding: 30px 0 58px;
  transform: translateY(-44px);
}

.section-eyebrow {
  margin: 0 0 24px;
  color: var(--teal-bright);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

.hero h1 {
  max-width: 880px;
  margin-bottom: 32px;
  color: var(--paper-light);
  font-family: var(--serif);
  font-size: clamp(52px, 4.65vw, 78px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.01;
}

.hero h1 em {
  display: block;
  color: var(--teal-bright);
  font-style: italic;
  font-weight: 400;
  white-space: nowrap;
}

.hero-body {
  width: min(
    720px,
    calc(100vw - var(--page-gutter) - var(--page-gutter))
  );
  max-width: none;
  margin-bottom: 8px;
  color: rgba(232, 225, 203, 0.72);
  font-family: var(--serif);
  font-size: clamp(18px, 1.32vw, 22px);
  line-height: 1.7;
}

.hero-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  width: min(100%, 620px);
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(161, 230, 180, 0.45);
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition:
    background 180ms ease,
    color 180ms ease,
    border 180ms ease;
}

.button-label-group {
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  line-height: 1;
}

.release-version {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
  opacity: 0.72;
}

.button-primary {
  color: var(--ink-deep);
  background: var(--teal-bright);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--paper-light);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--brass-light);
  color: var(--brass-light);
}

.install-tools {
  width: min(100%, 620px);
  margin-top: 14px;
}

.platform-switch {
  display: flex;
  gap: 24px;
  min-height: 30px;
}

.platform-switch button {
  padding: 0 0 8px;
  color: rgba(232, 225, 203, 0.46);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.platform-switch button.active {
  color: var(--teal-bright);
}

.install-command {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  width: 100%;
  min-height: 54px;
  margin-top: 8px;
  padding: 0 16px 0 18px;
  border: 1px solid rgba(232, 225, 203, 0.18);
  color: rgba(242, 236, 217, 0.72);
  background: rgba(3, 18, 12, 0.62);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
  cursor: pointer;
  text-align: left;
  transition:
    border-color 180ms ease,
    background 180ms ease;
}

.platform-note {
  margin: 13px 0 0;
  color: rgba(232, 225, 203, 0.58);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.65;
}

.hero-detail {
  width: min(
    720px,
    calc(100vw - var(--page-gutter) - var(--page-gutter))
  );
  margin-bottom: 32px;
  color: rgba(232, 225, 203, 0.46);
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.65;
}

.platform-note code {
  display: inline;
  margin-left: 3px;
  color: rgba(161, 230, 180, 0.82);
  font-family: var(--mono);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.install-command:hover,
.install-command:focus-visible {
  border-color: rgba(161, 230, 180, 0.48);
  background: rgba(3, 18, 12, 0.78);
}

.terminal-prompt {
  margin-right: 13px;
  color: var(--teal-bright);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: -0.06em;
}

.install-command code {
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: -0.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-state {
  min-width: 42px;
  margin-left: 14px;
  color: rgba(232, 225, 203, 0.4);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: right;
  transition: color 180ms ease;
}

.copy-state.is-copied {
  color: var(--teal-bright);
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-height: 660px;
  margin: 0;
}

.hero-index {
  position: absolute;
  bottom: 26px;
  left: var(--page-gutter);
  color: rgba(232, 225, 203, 0.35);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.signal-strip {
  overflow: hidden;
  border-top: 1px solid rgba(161, 230, 180, 0.35);
  border-bottom: 1px solid rgba(161, 230, 180, 0.35);
  color: var(--ink-deep);
  background: var(--teal);
  white-space: nowrap;
}

.signal-strip div {
  width: max-content;
  padding: 14px 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  animation: ticker 28s linear infinite;
}

.signal-item {
  display: inline-flex;
  align-items: center;
  gap: 13px;
}

.signal-item strong,
.signal-item span {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.signal-item span {
  white-space: nowrap;
}

.signal-item small {
  opacity: 0.58;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.signal-item i {
  margin: 0 24px;
  font-style: normal;
  font-weight: 400;
}

.film-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  --film-light: radial-gradient(
    ellipse 72% 68% at 12% 8%,
    rgba(216, 194, 139, 0.2),
    transparent 68%
  );
  --film-light-blend: screen;
  --film-light-opacity: 0.5;
  --film-grain-opacity: 0.12;
  --film-vignette: rgba(3, 18, 12, 0.32);
}

.film-section::before,
.film-section::after {
  position: absolute;
  z-index: 0;
  inset: 0;
  content: "";
  pointer-events: none;
}

.film-section::before {
  background: var(--film-light);
  mix-blend-mode: var(--film-light-blend);
  opacity: var(--film-light-opacity);
}

.film-section::after {
  background-image: url("../textures/analog-film-grain.webp");
  background-repeat: repeat;
  background-size: 256px 256px;
  box-shadow: inset 0 0 clamp(80px, 14vw, 210px) var(--film-vignette);
  mix-blend-mode: soft-light;
  opacity: var(--film-grain-opacity);
}

.film-section > * {
  position: relative;
  z-index: 1;
}

.paper-section {
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, rgba(183, 154, 96, 0.12), transparent 26%),
    repeating-linear-gradient(
      90deg,
      rgba(7, 25, 29, 0.018) 0,
      rgba(7, 25, 29, 0.018) 1px,
      transparent 1px,
      transparent 6px
    ),
    var(--paper);
}

.manifesto {
  display: grid;
  grid-template-columns: 0.22fr 1.08fr 0.95fr;
  gap: clamp(34px, 5vw, 96px);
  padding: clamp(90px, 10vw, 165px) clamp(22px, 7vw, 118px);
  --film-light:
    radial-gradient(ellipse 76% 62% at 2% 4%, rgba(255, 239, 185, 0.55), transparent 66%),
    linear-gradient(118deg, transparent 48%, rgba(176, 96, 57, 0.16) 82%, transparent 100%);
  --film-light-blend: soft-light;
  --film-light-opacity: 0.58;
  --film-grain-opacity: 0.1;
  --film-vignette: rgba(80, 44, 22, 0.17);
}

.manifesto-mark {
  display: flex;
  align-self: stretch;
  flex-direction: column;
  justify-content: space-between;
  min-height: 360px;
  padding-right: 24px;
  border-right: 1px solid var(--line-paper);
}

.manifesto-mark strong {
  color: var(--coral);
  font-family: var(--serif);
  font-size: 72px;
  font-weight: 400;
  line-height: 0.8;
}

.manifesto-mark span {
  color: rgba(7, 25, 29, 0.48);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.manifesto h2,
.section-heading h2,
.interface-copy h2,
.evidence-intro h2,
.open-copy h2,
.closing-section h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.manifesto h2 {
  max-width: 760px;
  margin-bottom: 32px;
  font-size: clamp(46px, 5.3vw, 88px);
}

.manifesto-copy > p:last-child {
  max-width: 760px;
  margin: 0;
  color: rgba(7, 25, 29, 0.7);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.85;
}

.paper-section .section-eyebrow {
  color: #4d726a;
}

.open-principles {
  align-self: end;
  border-top: 1px solid var(--line-paper);
}

.open-principle {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line-paper);
}

.open-principle-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 10px;
}

.open-principle-heading span {
  color: #256f65;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.open-principle-heading small {
  color: rgba(7, 25, 29, 0.46);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.open-principle h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.open-principle p {
  margin: 0;
  color: rgba(7, 25, 29, 0.62);
  font-size: 13px;
  line-height: 1.75;
}

.product-section {
  padding: clamp(90px, 10vw, 155px) clamp(22px, 7vw, 118px);
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(216, 194, 139, 0.07) 50%, transparent 50.1%),
    var(--ink);
  --film-light:
    radial-gradient(ellipse 48% 72% at 100% 12%, rgba(219, 150, 92, 0.26), transparent 72%),
    radial-gradient(ellipse 46% 58% at 0% 92%, rgba(64, 166, 143, 0.2), transparent 70%);
  --film-light-opacity: 0.62;
  --film-grain-opacity: 0.14;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.62fr 1.38fr;
  align-items: end;
  gap: 40px;
  margin-bottom: 72px;
}

.section-heading .section-eyebrow {
  margin: 0;
}

.section-heading h2 {
  max-width: 870px;
  margin: 0;
  font-size: clamp(44px, 5vw, 82px);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.product-card {
  min-height: 500px;
  padding: 30px clamp(24px, 2.7vw, 48px) 44px;
  border-right: 1px solid var(--line-dark);
}

.product-card:first-child {
  border-left: 1px solid var(--line-dark);
}

.card-topline {
  display: flex;
  justify-content: space-between;
  color: rgba(232, 225, 203, 0.45);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
}

.card-topline span:first-child {
  color: var(--coral);
  font-family: var(--serif);
  font-size: 28px;
}

.process-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 122px;
  height: 122px;
  margin: 54px 0 48px;
  border: 1px solid rgba(161, 230, 180, 0.3);
  border-radius: 50%;
}

.process-mark::before,
.process-mark::after,
.process-mark i {
  position: absolute;
  display: block;
  content: "";
}

.process-mark::before {
  width: 82px;
  height: 82px;
  border: 1px solid rgba(183, 154, 96, 0.45);
  border-radius: 50%;
}

.process-mark::after {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 18px var(--teal);
}

.process-mark i {
  width: 1px;
  height: 104px;
  background: rgba(161, 230, 180, 0.26);
}

.process-mark i:nth-child(2) {
  transform: rotate(60deg);
}

.process-mark i:nth-child(3) {
  transform: rotate(120deg);
}

.mark-02 {
  border-radius: 0;
  transform: rotate(45deg) scale(0.82);
}

.mark-02::before {
  border-radius: 0;
}

.mark-03::before {
  width: 58px;
  height: 94px;
  border-radius: 50%;
}

.product-card h3 {
  margin-bottom: 20px;
  color: var(--paper-light);
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
}

.product-card > p {
  max-width: 370px;
  margin: 0;
  color: rgba(232, 225, 203, 0.62);
  font-size: 15px;
  line-height: 1.8;
}

.interface-section {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: clamp(40px, 6vw, 100px);
  padding: clamp(100px, 11vw, 170px) clamp(22px, 7vw, 118px);
  color: var(--ink);
  background: #c9dcd2;
  --film-light:
    linear-gradient(104deg, transparent 20%, rgba(255, 246, 205, 0.5) 38%, transparent 54%),
    radial-gradient(ellipse 52% 72% at 100% 92%, rgba(172, 98, 62, 0.2), transparent 70%);
  --film-light-blend: soft-light;
  --film-light-opacity: 0.48;
  --film-grain-opacity: 0.11;
  --film-vignette: rgba(41, 65, 56, 0.2);
}

.interface-copy {
  align-self: center;
}

.interface-copy h2 {
  margin-bottom: 28px;
  font-size: clamp(44px, 4.7vw, 78px);
}

.interface-copy > p:not(.section-eyebrow) {
  color: rgba(7, 25, 29, 0.67);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.8;
}

.material-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 38px;
}

.material-list span {
  padding: 7px 10px;
  border: 1px solid rgba(7, 25, 29, 0.26);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.interface-gallery {
  position: relative;
  align-self: center;
  min-width: 0;
  padding: 0;
}

.product-shot {
  margin: 0;
}

.product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(7, 25, 29, 0.28);
  border-radius: 12px;
  background: #edf1e8;
  box-shadow: 0 34px 80px rgba(7, 25, 29, 0.2);
}

.product-shot figcaption {
  margin-top: 11px;
  color: rgba(7, 25, 29, 0.55);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.product-shot-home {
  transform: rotate(0.45deg);
}

.app-window {
  overflow: hidden;
  border: 1px solid rgba(7, 25, 29, 0.34);
  border-radius: 4px;
  background: #edf1e8;
  box-shadow:
    0 34px 80px rgba(7, 25, 29, 0.2),
    18px 18px 0 rgba(7, 25, 29, 0.08);
  transform: rotate(1.2deg);
}

.window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 53px;
  padding: 0 18px;
  color: var(--paper);
  background: linear-gradient(90deg, #0c3941, #147b69);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.window-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.window-brand img {
  width: 25px;
  height: 25px;
  border-radius: 7px;
}

.window-layout {
  display: grid;
  grid-template-columns: 0.62fr 1.75fr 0.8fr;
  min-height: 480px;
}

.window-layout aside {
  padding: 28px 18px;
  border-right: 1px solid rgba(7, 25, 29, 0.13);
}

.window-layout aside strong {
  display: block;
  margin-bottom: 30px;
  color: #517069;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.mock-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: #38554f;
  font-family: var(--mono);
  font-size: 9px;
}

.mock-nav i {
  width: 18px;
  height: 1px;
  background: #8bb8aa;
}

.window-main {
  padding: 70px 40px;
}

.window-main small {
  color: #1b7c6e;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.15em;
}

.window-main h3 {
  margin: 14px 0 18px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 400;
  line-height: 1;
}

.window-main p {
  max-width: 420px;
  color: rgba(7, 25, 29, 0.58);
  font-family: var(--serif);
  font-size: 14px;
}

.evidence-line {
  display: flex;
  gap: 8px;
  margin: 34px 0;
}

.evidence-line span {
  width: 28%;
  height: 6px;
  border-radius: 4px;
  background: #eb7a6d;
}

.evidence-line span:nth-child(2) {
  background: #e8bd72;
}

.evidence-line span:nth-child(3) {
  background: #7bbbac;
}

.mock-quote {
  padding: 19px;
  border-left: 2px solid #288f7f;
  color: #38554f;
  background: rgba(74, 150, 131, 0.08);
  font-family: var(--serif);
  font-size: 14px;
}

.window-context {
  border-right: 0 !important;
  border-left: 1px solid rgba(7, 25, 29, 0.13);
}

.window-context div {
  height: 52px;
  margin-bottom: 11px;
  border: 1px solid rgba(7, 25, 29, 0.1);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.5);
}

.evidence-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(44px, 7vw, 120px);
  padding: clamp(100px, 11vw, 170px) clamp(22px, 7vw, 118px);
  background:
    radial-gradient(circle at 80% 80%, rgba(26, 124, 107, 0.18), transparent 30%),
    var(--ink-deep);
  --film-light:
    radial-gradient(ellipse 42% 64% at 100% 70%, rgba(223, 112, 95, 0.24), transparent 72%),
    radial-gradient(ellipse 38% 54% at 4% 10%, rgba(91, 178, 151, 0.16), transparent 70%);
  --film-light-opacity: 0.58;
  --film-grain-opacity: 0.14;
}

.evidence-intro {
  align-self: center;
}

.evidence-intro h2 {
  margin-bottom: 28px;
  font-size: clamp(46px, 5.2vw, 84px);
}

.evidence-intro > p:last-child {
  max-width: 580px;
  color: rgba(232, 225, 203, 0.64);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.85;
}

.tier-table {
  border-top: 1px solid var(--line-dark);
}

.tier-row {
  display: grid;
  grid-template-columns: 82px 1fr auto;
  align-items: center;
  min-height: 93px;
  border-bottom: 1px solid var(--line-dark);
}

.tier-row strong {
  color: hsl(calc(7 + var(--tier) * 37), 64%, 68%);
  font-family: var(--serif);
  font-size: 29px;
  font-weight: 400;
}

.tier-row span {
  color: var(--paper-light);
  font-family: var(--serif);
  font-size: clamp(16px, 1.3vw, 21px);
}

.tier-row small {
  color: rgba(232, 225, 203, 0.36);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.open-section {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(52px, 7vw, 120px);
  padding: clamp(100px, 11vw, 170px) clamp(22px, 7vw, 118px);
  color: var(--paper);
  background:
    radial-gradient(
      circle at 82% 36%,
      rgba(99, 201, 138, 0.18),
      transparent 34%
    ),
    linear-gradient(125deg, var(--ink-deep), var(--ink-soft));
  --film-light:
    radial-gradient(ellipse 54% 66% at 88% 30%, rgba(120, 220, 166, 0.22), transparent 70%),
    linear-gradient(124deg, rgba(208, 154, 91, 0.12), transparent 38%);
  --film-light-opacity: 0.62;
  --film-grain-opacity: 0.13;
}

.open-copy h2 {
  max-width: 760px;
  margin-bottom: 32px;
  color: var(--paper-light);
  font-size: clamp(46px, 4.2vw, 72px);
}

.open-copy h2 span {
  display: block;
  white-space: nowrap;
}

.open-copy > p:not(.section-eyebrow) {
  max-width: 760px;
  color: rgba(232, 225, 203, 0.68);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.85;
}

.model-section .section-eyebrow {
  color: var(--teal-bright);
}

.model-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 38px;
}

.model-features span {
  padding: 7px 10px;
  border: 1px solid rgba(161, 230, 180, 0.28);
  color: rgba(232, 225, 203, 0.66);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.model-stage {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: clamp(12px, 1.7vw, 24px);
}

.model-stage::before {
  position: absolute;
  inset: 10% 3% 2%;
  border-radius: 32px;
  background: rgba(99, 201, 138, 0.24);
  content: "";
  filter: blur(44px);
  pointer-events: none;
}

.model-stage img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(161, 230, 180, 0.28);
  border-radius: 18px;
  background: #edf1e8;
  box-shadow:
    0 42px 100px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(255, 255, 255, 0.035);
}

.model-stage figcaption {
  position: relative;
  margin-top: 13px;
  color: rgba(232, 225, 203, 0.42);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-align: right;
}

.closing-section {
  display: grid;
  place-items: center;
  min-height: 700px;
  padding: 90px 22px;
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(39, 153, 133, 0.17), transparent 32%),
    var(--ink-deep);
  --film-light:
    radial-gradient(ellipse 46% 36% at 50% 45%, rgba(230, 205, 143, 0.25), transparent 72%),
    linear-gradient(90deg, rgba(2, 10, 7, 0.3), transparent 22%, transparent 78%, rgba(2, 10, 7, 0.34));
  --film-light-opacity: 0.68;
  --film-grain-opacity: 0.16;
}

.closing-tree {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 28px;
  color: var(--teal-bright);
  font-family: var(--mono);
  font-size: 25px;
  line-height: 0.8;
  text-shadow: 0 0 22px rgba(161, 230, 180, 0.5);
}

.closing-section > p {
  margin-bottom: 30px;
  color: var(--brass-light);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.closing-section h2 {
  max-width: 980px;
  margin-bottom: 45px;
  color: var(--paper-light);
  font-size: clamp(48px, 6vw, 98px);
}

.closing-section h2 span {
  display: block;
}

.closing-section a {
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(161, 230, 180, 0.5);
  color: var(--teal-bright);
  font-size: 13px;
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  padding: 34px clamp(22px, 4.5vw, 76px);
  border-top: 1px solid var(--line-dark);
  background: var(--ink-deep);
}

footer p {
  margin: 0;
  color: rgba(232, 225, 203, 0.62);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-align: center;
}

footer p:last-child {
  text-align: right;
}

.footer-brand {
  font-size: 15px;
  letter-spacing: 0.06em;
}

@keyframes breathe {
  from {
    opacity: 0.84;
    transform: scale(1);
  }
  to {
    opacity: 1;
    transform: scale(1.018);
  }
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@media (min-width: 781px) and (max-width: 1400px) {
  .hero-body {
    width: min(
      660px,
      calc(100vw - var(--page-gutter) - var(--page-gutter))
    );
  }
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr 0.85fr;
  }

  .manifesto {
    grid-template-columns: 90px 1fr;
  }

  .open-principles {
    grid-column: 2;
  }

  .interface-section,
  .evidence-section {
    grid-template-columns: 1fr;
  }

  .interface-copy,
  .evidence-intro {
    max-width: 740px;
  }

  .open-section {
    grid-template-columns: 1fr;
  }

  .open-copy {
    max-width: 780px;
  }

  .model-stage {
    margin-top: 24px;
  }
}

@media (max-width: 780px) {
  .site-header {
    height: 72px;
    padding: 0 20px;
  }

  .brand {
    font-size: 16px;
  }

  .hero {
    --page-gutter: 20px;
    display: block;
    min-height: auto;
    padding: 124px 20px 40px;
    background-position: center, center, center, center, 68% center;
  }

  .hero-copy {
    min-height: 600px;
    padding: 20px 0 50px;
    transform: translateY(-28px);
  }

  .hero h1 {
    font-size: clamp(46px, 13.5vw, 68px);
  }

  .hero h1 em {
    white-space: normal;
  }

  .hero-visual {
    min-height: 250px;
    margin: 0 -20px;
  }

  .hero-index {
    display: none;
  }

  .manifesto {
    display: block;
    padding: 88px 20px;
  }

  .manifesto-mark {
    align-items: flex-start;
    min-height: 0;
    margin-bottom: 58px;
    padding: 0 0 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line-paper);
  }

  .manifesto-mark span {
    display: none;
  }

  .open-principles {
    margin-top: 58px;
  }

  .product-section,
  .interface-section,
  .evidence-section,
  .open-section {
    padding: 88px 20px;
  }

  .section-heading {
    display: block;
    margin-bottom: 48px;
  }

  .section-heading .section-eyebrow {
    margin-bottom: 24px;
  }

  .product-grid {
    display: block;
  }

  .product-card {
    min-height: 450px;
    border-bottom: 1px solid var(--line-dark);
    border-left: 1px solid var(--line-dark);
  }

  .interface-section,
  .evidence-section,
  .open-section {
    display: block;
  }

  .app-window {
    margin-top: 58px;
    transform: none;
  }

  .interface-gallery {
    margin-top: 58px;
    padding: 0;
  }

  .product-shot-home {
    position: static;
    width: 100%;
    transform: none;
  }

  .window-layout {
    grid-template-columns: 0.55fr 1.45fr;
  }

  .window-context {
    display: none;
  }

  .window-main {
    padding: 58px 24px;
  }

  .tier-table {
    margin-top: 58px;
  }

  .tier-row {
    grid-template-columns: 62px 1fr;
    gap: 6px;
    padding: 12px 0;
  }

  .tier-row small {
    display: none;
  }

  .model-stage {
    margin-top: 54px;
    padding: 0;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 18px;
    justify-items: center;
  }

  footer p:last-child {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .language-switch {
    font-size: 9px;
  }

  .hero-copy {
    min-height: 570px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .install-command {
    min-height: 52px;
  }

  .open-copy h2 span {
    white-space: normal;
  }

  .install-command code {
    font-size: 11px;
  }

  .copy-state {
    min-width: 36px;
    margin-left: 8px;
    font-size: 10px;
  }

  .hero-visual {
    min-height: 190px;
  }

  .hero-visual figcaption {
    gap: 20px;
  }

  .hero-visual figcaption span:last-child {
    text-align: right;
  }

  .window-layout {
    grid-template-columns: 1fr;
  }

  .window-layout aside {
    display: none;
  }
}

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

  .signal-strip div {
    animation: none;
  }
}