:root {
  color-scheme: light;
  --bg: #f4f5f0;
  --surface: rgba(255, 255, 252, 0.78);
  --surface-solid: #fffefa;
  --surface-strong: #eceee6;
  --ink: #121612;
  --ink-soft: #4d564e;
  --line: rgba(18, 22, 18, 0.13);
  --line-strong: rgba(18, 22, 18, 0.24);
  --lime: #c7f03d;
  --lime-deep: #8bb410;
  --mint: #71e5bd;
  --violet: #8d74ff;
  --orange: #ff9c63;
  --shadow: 0 26px 70px rgba(27, 35, 27, 0.11);
  --shadow-soft: 0 12px 36px rgba(27, 35, 27, 0.07);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 15px;
  --container: 1180px;
  --header-height: 76px;
  --font-sans: "Inter", "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Iowan Old Style", "Noto Serif SC", "Songti SC", serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e110f;
  --surface: rgba(23, 28, 24, 0.8);
  --surface-solid: #171c18;
  --surface-strong: #202721;
  --ink: #f4f7ef;
  --ink-soft: #aeb9ae;
  --line: rgba(240, 247, 238, 0.12);
  --line-strong: rgba(240, 247, 238, 0.23);
  --lime: #c8f451;
  --lime-deep: #a6d32b;
  --mint: #67d9b1;
  --violet: #9a85ff;
  --orange: #ff9c63;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
  --shadow-soft: 0 12px 36px rgba(0, 0, 0, 0.22);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 8% -4%, color-mix(in srgb, var(--lime) 22%, transparent), transparent 30rem),
    radial-gradient(circle at 96% 22%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 34rem),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.22;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 4px;
}

::selection {
  background: var(--lime);
  color: #10140b;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 40px), 820px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(22px) saturate(1.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  font-weight: 780;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  overflow: hidden;
  border: 1px solid rgba(16, 20, 11, 0.18);
  border-radius: 11px;
  background:
    radial-gradient(circle at 29% 29%, #fff 0 3px, transparent 3.5px),
    linear-gradient(145deg, var(--lime), var(--mint));
  box-shadow: inset 0 -8px 16px rgba(17, 49, 23, 0.15);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  border-radius: 999px;
  background: #18200e;
  content: "";
  transform: rotate(-32deg);
}

.brand-mark::before {
  width: 24px;
  height: 5px;
  right: -3px;
  bottom: 9px;
}

.brand-mark::after {
  width: 15px;
  height: 3px;
  right: 4px;
  bottom: 17px;
}

.site-nav,
.nav-links,
.header-actions {
  display: flex;
  align-items: center;
}

.site-nav {
  flex: 1 1 auto;
  justify-content: flex-end;
  gap: 28px;
}

.nav-links {
  gap: 4px;
}

.nav-link {
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  background: var(--surface-strong);
  color: var(--ink);
}

.header-actions {
  gap: 8px;
}

.icon-button,
.menu-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.icon-button:hover,
.menu-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-strong);
}

.menu-button {
  display: none;
  gap: 4px;
}

.menu-button span {
  display: block;
  width: 17px;
  height: 1.5px;
  border-radius: 99px;
  background: currentColor;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  font-size: 14px;
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: #1a2010;
  background: var(--lime);
  color: #12170b;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--lime) 28%, transparent);
}

.button-secondary {
  background: var(--surface);
  color: var(--ink);
}

.button-quiet {
  min-height: 40px;
  border-color: transparent;
  color: var(--ink-soft);
}

.button-large {
  min-height: 54px;
  padding-inline: 22px;
  border-radius: 15px;
  font-size: 15px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: var(--lime-deep);
  content: "";
}

.hero {
  position: relative;
  overflow: clip;
  padding: 88px 0 70px;
}

.hero-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 72px;
}

.hero h1,
.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(3.1rem, 7.8vw, 6.8rem);
  font-weight: 530;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero h1 em,
.page-hero h1 em {
  color: var(--lime-deep);
  font-style: normal;
}

.hero-lede,
.page-lede {
  max-width: 680px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin: 28px 0 0;
  padding: 0;
  color: var(--ink-soft);
  font-size: 13px;
  list-style: none;
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-row li::before {
  width: 7px;
  height: 7px;
  border: 2px solid var(--lime-deep);
  border-radius: 50%;
  content: "";
}

.hero-system {
  position: relative;
  min-height: 520px;
}

.orbit {
  position: absolute;
  inset: 4%;
  border: 1px solid var(--line);
  border-radius: 50%;
  animation: orbit-spin 36s linear infinite;
}

.orbit::before,
.orbit::after {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 5px solid var(--bg);
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 1px var(--line);
  content: "";
}

.orbit::before {
  top: 16%;
  right: 8%;
}

.orbit::after {
  bottom: 10%;
  left: 16%;
  background: var(--orange);
}

.system-card {
  position: absolute;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.system-card-main {
  top: 18%;
  right: 5%;
  left: 5%;
  padding: 26px;
  border-radius: 28px;
  transform: rotate(-2deg);
}

.system-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 730;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.status::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--mint) 18%, transparent);
  content: "";
}

.script-lines {
  display: grid;
  gap: 12px;
  margin-top: 25px;
}

.script-line {
  height: 9px;
  border-radius: 10px;
  background: var(--surface-strong);
}

.script-line:nth-child(1) { width: 88%; }
.script-line:nth-child(2) { width: 64%; }
.script-line:nth-child(3) { width: 76%; }

.shot-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.shot {
  position: relative;
  aspect-ratio: 1.35;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(circle at 68% 28%, rgba(255, 255, 255, 0.78) 0 6%, transparent 6.5%),
    linear-gradient(150deg, color-mix(in srgb, var(--violet) 44%, var(--surface-strong)), var(--surface-strong));
}

.shot:nth-child(2) {
  background:
    radial-gradient(circle at 36% 38%, rgba(255, 255, 255, 0.75) 0 8%, transparent 8.5%),
    linear-gradient(135deg, color-mix(in srgb, var(--orange) 48%, var(--surface-strong)), var(--surface-strong));
}

.shot:nth-child(3) {
  background:
    radial-gradient(circle at 55% 26%, rgba(255, 255, 255, 0.72) 0 5%, transparent 5.5%),
    linear-gradient(145deg, color-mix(in srgb, var(--mint) 48%, var(--surface-strong)), var(--surface-strong));
}

.shot::after {
  position: absolute;
  right: 0;
  bottom: -12%;
  left: 0;
  height: 52%;
  border-radius: 50% 50% 0 0;
  background: rgba(12, 17, 13, 0.24);
  content: "";
}

.system-card-small {
  z-index: 2;
  width: 180px;
  padding: 16px;
  border-radius: 18px;
  font-size: 12px;
  font-weight: 720;
}

.system-card-small strong {
  display: block;
  margin-top: 5px;
  color: var(--ink);
  font-size: 21px;
  letter-spacing: -0.04em;
}

.system-card-a {
  top: 7%;
  left: 0;
  color: var(--ink-soft);
  transform: rotate(5deg);
}

.system-card-b {
  right: 0;
  bottom: 7%;
  color: var(--ink-soft);
  transform: rotate(4deg);
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.section-head h2,
.content-section h2,
.article-aside h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 560;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.section-head p {
  max-width: 540px;
  margin: 0;
  color: var(--ink-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.topic-card,
.feature-card,
.intent-card,
.price-card,
.roadmap-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.topic-card {
  min-height: 330px;
  padding: 30px;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.topic-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-5px);
}

.topic-card::after {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--lime) 30%, transparent), transparent 66%);
  content: "";
}

.topic-card:nth-child(2)::after {
  background: radial-gradient(circle at center, color-mix(in srgb, var(--violet) 26%, transparent), transparent 66%);
}

.card-kicker,
.intent-label {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topic-card h3,
.intent-card h3,
.feature-card h3,
.price-card h2,
.roadmap-card h3 {
  margin: 20px 0 12px;
  font-size: 25px;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.topic-card p,
.intent-card p,
.feature-card p,
.roadmap-card p {
  margin: 0;
  color: var(--ink-soft);
}

.card-link {
  position: absolute;
  bottom: 28px;
  left: 30px;
  z-index: 1;
  font-size: 14px;
  font-weight: 780;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 24px;
}

.feature-number {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-strong);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 820;
}

.feature-card h3 {
  margin-top: 38px;
  font-size: 19px;
}

.band {
  position: relative;
  overflow: hidden;
  margin: 48px auto;
  padding: 52px;
  border: 1px solid rgba(17, 22, 11, 0.18);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 85% 50%, rgba(255, 255, 255, 0.45), transparent 27%),
    linear-gradient(120deg, var(--lime), color-mix(in srgb, var(--mint) 72%, var(--lime)));
  color: #12180b;
  box-shadow: 0 30px 80px color-mix(in srgb, var(--lime) 24%, transparent);
}

.band::after {
  position: absolute;
  top: -180px;
  right: -90px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(18, 24, 11, 0.18);
  border-radius: 50%;
  content: "";
}

.band h2 {
  max-width: 680px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  font-weight: 560;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.band p {
  max-width: 600px;
  margin: 20px 0 0;
  color: rgba(18, 24, 11, 0.72);
}

.band .hero-actions {
  position: relative;
  z-index: 1;
}

.band .button-primary {
  border-color: #151b0e;
  background: #151b0e;
  color: #f7f9ef;
  box-shadow: none;
}

.band .button-secondary {
  border-color: rgba(18, 24, 11, 0.3);
  background: rgba(255, 255, 255, 0.26);
  color: #12180b;
}

.page-hero {
  padding: 72px 0 54px;
}

.page-hero h1 {
  max-width: 990px;
  font-size: clamp(2.8rem, 7vw, 6.2rem);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
  padding: 0;
  color: var(--ink-soft);
  font-size: 13px;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 8px;
  color: var(--line-strong);
  content: "/";
}

.breadcrumbs a {
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.meta-chip {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 670;
}

.pillar-intro {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 60px;
  padding: 52px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.pillar-intro h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 560;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.pillar-intro-copy p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 18px;
}

.intent-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.intent-card {
  min-height: 270px;
  padding: 27px;
}

.intent-card h3 {
  margin-top: 28px;
  font-size: 22px;
}

.intent-card .button {
  margin-top: 28px;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.roadmap-card {
  min-height: 210px;
  padding: 22px;
  box-shadow: none;
}

.roadmap-card[data-status="planned"] {
  border-style: dashed;
  background: color-mix(in srgb, var(--surface) 66%, transparent);
}

.roadmap-card h3 {
  margin-top: 24px;
  font-size: 17px;
}

.status-label {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--lime) 32%, var(--surface));
  color: var(--ink);
  font-size: 11px;
  font-weight: 780;
}

[data-status="planned"] .status-label {
  background: var(--surface-strong);
  color: var(--ink-soft);
}

.article-layout {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 70px;
}

.article-body {
  min-width: 0;
}

.article-body > p:first-child {
  margin-top: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 23px;
  line-height: 1.62;
}

.content-section {
  padding: 35px 0;
  border-top: 1px solid var(--line);
}

.content-section:first-of-type {
  border-top: 0;
}

.content-section h2 {
  margin-bottom: 20px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.content-section h3 {
  margin: 26px 0 10px;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.content-section p,
.content-section li {
  color: var(--ink-soft);
}

.content-section p {
  margin: 0 0 16px;
}

.content-section ul,
.content-section ol {
  display: grid;
  gap: 10px;
  padding-left: 1.3em;
}

.content-section li::marker {
  color: var(--lime-deep);
  font-weight: 800;
}

.article-aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.article-aside h2 {
  margin-bottom: 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-aside ol {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-aside a {
  display: block;
  padding: 7px 9px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
}

.article-aside a:hover {
  background: var(--surface-strong);
  color: var(--ink);
}

.callout,
.checklist {
  margin: 30px 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.callout {
  border-left: 4px solid var(--lime-deep);
}

.callout strong {
  display: block;
  margin-bottom: 6px;
}

.checklist h2 {
  margin: 0 0 16px;
  font-size: 20px;
}

.checklist ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-soft);
}

.checklist li::before {
  position: absolute;
  top: 0.35em;
  left: 0;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border: 1px solid var(--lime-deep);
  border-radius: 5px;
  color: var(--lime-deep);
  content: "✓";
  font-size: 11px;
  font-weight: 900;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.faq-list summary {
  padding: 18px 48px 18px 20px;
  cursor: pointer;
  font-weight: 730;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  right: 20px;
  color: var(--ink-soft);
  content: "+";
  font-size: 20px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--ink-soft);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.price-card {
  display: flex;
  min-height: 500px;
  flex-direction: column;
  padding: 26px;
}

.price-card[data-featured="true"] {
  border-color: color-mix(in srgb, var(--lime-deep) 60%, var(--line));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--lime) 12%, var(--surface)), var(--surface));
  box-shadow: var(--shadow);
  transform: translateY(-12px);
}

.price-card h2 {
  margin-top: 24px;
  font-size: 22px;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 12px 0 16px;
  font-size: 43px;
  font-weight: 780;
  letter-spacing: -0.055em;
}

.price small {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
}

.price-copy {
  min-height: 52px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.price-card ul {
  display: grid;
  gap: 11px;
  margin: 24px 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 14px;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 22px;
}

.price-card li::before {
  position: absolute;
  left: 0;
  color: var(--lime-deep);
  content: "✓";
  font-weight: 900;
}

.price-card .button {
  width: 100%;
  margin-top: auto;
}

.price-note,
.legal-notice {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 14px;
}

.legal-body h2 {
  margin: 44px 0 14px;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 560;
  letter-spacing: -0.035em;
}

.legal-body h3 {
  margin: 28px 0 10px;
  font-size: 18px;
}

.legal-body p,
.legal-body li {
  color: var(--ink-soft);
}

.legal-body ul,
.legal-body ol {
  display: grid;
  gap: 8px;
}

.not-found {
  display: grid;
  min-height: calc(100vh - var(--header-height) - 280px);
  align-items: center;
  padding: 70px 0;
}

.not-found-code {
  margin: 0;
  color: var(--lime-deep);
  font-size: clamp(5rem, 20vw, 12rem);
  font-weight: 850;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.not-found h1 {
  margin: 28px 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 560;
  letter-spacing: -0.05em;
  line-height: 1;
}

.not-found p {
  max-width: 600px;
  color: var(--ink-soft);
}

.site-footer {
  margin-top: 70px;
  padding: 55px 0 24px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 50px;
}

.footer-brand p {
  max-width: 350px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.footer-column h2 {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-column ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  font-size: 14px;
  list-style: none;
}

.footer-column a {
  color: var(--ink-soft);
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--ink);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.js [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

@keyframes orbit-spin {
  to { transform: rotate(1turn); }
}

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

  .hero-system {
    min-height: 440px;
  }

  .feature-grid,
  .roadmap-grid,
  .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .price-card[data-featured="true"] {
    transform: none;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .article-aside {
    position: static;
    order: -1;
  }

  .article-aside ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.4fr repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
  }

  .menu-button {
    display: inline-grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: flex;
    padding: 18px 20px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: var(--shadow-soft);
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav,
  .nav-links {
    align-items: stretch;
    flex-direction: column;
  }

  .site-nav {
    gap: 16px;
  }

  .nav-link {
    display: block;
    padding: 12px;
  }

  .site-nav .header-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .site-nav .button {
    width: 100%;
  }

  .header-inner > .header-actions .button {
    display: none;
  }

  .hero {
    padding-top: 60px;
  }

  .section {
    padding: 64px 0;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .container,
  .narrow {
    width: min(calc(100% - 28px), var(--container));
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.75rem, 15vw, 4.5rem);
  }

  .hero-grid {
    gap: 38px;
  }

  .hero-system {
    min-height: 350px;
  }

  .system-card-main {
    top: 16%;
    right: 0;
    left: 0;
    padding: 19px;
  }

  .system-card-small {
    width: 145px;
    padding: 13px;
  }

  .system-card-small strong {
    font-size: 17px;
  }

  .card-grid,
  .intent-grid,
  .feature-grid,
  .roadmap-grid,
  .price-grid {
    grid-template-columns: 1fr;
  }

  .pillar-intro,
  .band {
    padding: 28px;
    border-radius: 24px;
  }

  .topic-card {
    min-height: 300px;
    padding: 24px;
  }

  .article-aside ol {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .hero-actions,
  .article-aside {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  body::before {
    display: none;
  }

  .container,
  .narrow {
    width: 100%;
  }

  .page-hero {
    padding-top: 0;
  }
}