@font-face {
  font-family: "Geist";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/_next/static/media/caa3a2e1cccd8315-s.p.853070df.woff2") format("woff2");
}

@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/_next/static/media/797e433ab948586e-s.p.dbea232f.woff2") format("woff2");
}

@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/_next/static/media/e41d5df559864f9e-s.p.380d09ea.woff2") format("woff2");
}

:root {
  --page: #f5f1ea;
  --paper: rgba(255, 255, 255, 0.78);
  --paper-strong: rgba(255, 255, 255, 0.92);
  --ink: #18181a;
  --ink-soft: rgba(24, 24, 26, 0.72);
  --ink-faint: rgba(24, 24, 26, 0.46);
  --line: rgba(24, 24, 26, 0.12);
  --line-strong: rgba(24, 24, 26, 0.22);
  --accent: #2463eb;
  --accent-soft: rgba(36, 99, 235, 0.14);
  --accent-warm: #ff6a3d;
  --accent-warm-soft: rgba(255, 106, 61, 0.16);
  --radius-xl: 2rem;
  --radius-lg: 1.35rem;
  --shadow: 0 24px 70px rgba(28, 28, 34, 0.12);
  --page-max: min(1320px, calc(100vw - 2rem));
  --header-safe: 8.6rem;
}

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

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: calc(var(--header-safe) + 0.35rem);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Geist", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 20%, rgba(36, 99, 235, 0.08), transparent 26%),
    radial-gradient(circle at 88% 14%, rgba(255, 106, 61, 0.08), transparent 24%),
    linear-gradient(180deg, #f8f5ef 0%, #f5f1ea 54%, #efe9df 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image:
    linear-gradient(rgba(24, 24, 26, 0.36) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 24, 26, 0.36) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(circle at center, black 54%, transparent 100%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

::selection {
  background: rgba(36, 99, 235, 0.18);
  color: #0d214f;
}

.site-shell {
  position: relative;
}

.site-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  z-index: 60;
  width: var(--page-max);
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.86rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.64);
  backdrop-filter: blur(18px) saturate(1.15);
  box-shadow: 0 14px 36px rgba(24, 24, 26, 0.08);
  overflow: visible;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand img {
  width: 2rem;
  height: 2rem;
}

.site-nav {
  display: inline-flex;
  justify-self: center;
  align-items: center;
  gap: 0.12rem;
  padding: 0.16rem;
  border-radius: 999px;
  background: rgba(24, 24, 26, 0.03);
}

.nav-item {
  display: inline-flex;
}

.nav-link,
.nav-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.1rem;
  padding: 0.5rem 0.78rem;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.nav-link::after,
.nav-trigger::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  left: 0.65rem;
  right: 0.65rem;
  bottom: 0.18rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link.is-active,
.nav-link[aria-current="page"],
.nav-trigger:hover,
.nav-trigger.is-active,
.nav-item.is-open > .nav-trigger {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 0 0 1px rgba(24, 24, 26, 0.05);
}

.nav-link:hover::after,
.nav-link.is-active::after,
.nav-link[aria-current="page"]::after,
.nav-trigger:hover::after,
.nav-trigger.is-active::after,
.nav-item.is-open > .nav-trigger::after {
  transform: scaleX(1);
}

.nav-item-mega {
  display: inline-flex;
}

.nav-menu {
  position: absolute;
  top: calc(100% + 0.95rem);
  left: 50%;
  z-index: 70;
  width: min(880px, calc(100vw - 2.5rem));
  padding: 1rem;
  border-radius: 1.7rem;
  border: 1px solid #ece7de;
  background:
    linear-gradient(180deg, #fffdf9, #f5f1ea);
  box-shadow: 0 28px 65px rgba(24, 24, 26, 0.14);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-0.45rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-item.is-open .nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(260px, 0.92fr);
  gap: 1rem;
  align-items: start;
}

.nav-menu-column {
  display: grid;
  gap: 0.6rem;
}

.nav-menu-label {
  margin: 0;
  padding: 0 0.2rem;
  color: var(--ink-faint);
  font-family: "Geist Mono", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-menu-link,
.nav-menu-static,
.nav-menu-feature {
  border-radius: 1.25rem;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.nav-menu-link,
.nav-menu-static {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  background: #f7f3ec;
}

.nav-menu-link:hover {
  transform: translateY(-2px);
  border-color: rgba(24, 24, 26, 0.08);
  background: #ffffff;
  box-shadow: 0 16px 30px rgba(24, 24, 26, 0.06);
}

.nav-menu-link strong,
.nav-menu-static strong {
  font-size: 0.98rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.nav-menu-link span,
.nav-menu-static span {
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.58;
}

.nav-menu-heading {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.nav-soon {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.46rem;
  border-radius: 999px;
  background: rgba(255, 106, 61, 0.1);
  color: var(--accent-warm);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-menu-feature {
  display: grid;
  gap: 0.8rem;
  min-height: 100%;
  padding: 1.1rem 1.15rem;
  border-color: rgba(36, 99, 235, 0.1);
  background:
    linear-gradient(180deg, #ecf3ff, #fffdfa);
}

.nav-menu-feature:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(36, 99, 235, 0.12);
}

.nav-menu-feature-label {
  margin: 0;
  color: var(--accent);
  font-family: "Geist Mono", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-menu-feature h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.nav-menu-feature p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

.nav-menu-feature span {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.header-side {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 1rem;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.header-cta {
  min-width: 8rem;
  padding: 0.84rem 1.1rem;
  color: white;
  background: linear-gradient(135deg, var(--accent-warm) 0%, #ff855f 100%);
  box-shadow: 0 14px 32px rgba(255, 106, 61, 0.24);
}

.button {
  min-width: 10rem;
  padding: 0.92rem 1.22rem;
  border: 1px solid transparent;
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent) 0%, #4d85ff 100%);
  box-shadow: 0 14px 32px rgba(36, 99, 235, 0.22);
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line-strong);
}

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

.page-main {
  width: var(--page-max);
  margin: 0 auto;
  padding: var(--header-safe) 0 4rem;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 2rem;
  align-items: center;
  min-height: min(82vh, 900px);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--ink-faint);
  font-family: "Geist Mono", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.display-title {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(3.6rem, 7vw, 7rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  font-weight: 400;
}

.display-title span {
  color: var(--accent);
}

.lead {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.28vw, 1.16rem);
  line-height: 1.8;
}

.card,
.media-card,
.info-card,
.faq-card {
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-xl);
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.section {
  padding: 2.5rem 0;
}

.section-head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.3rem;
}

.section-title {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
  font-weight: 400;
}

.section-copy {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40rem;
}

.hero-center {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 1.4rem;
}

.hero-center .display-title {
  max-width: 11ch;
  font-size: clamp(3.4rem, 6vw, 6.2rem);
}

.hero-center .lead {
  max-width: 42rem;
  margin: 0 auto;
}

.pill-link,
.mock-pill,
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.58rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(24, 24, 26, 0.08);
  background: rgba(210, 218, 160, 0.4);
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1;
}

.pill-link {
  background: rgba(210, 218, 160, 0.5);
}

.button-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.mock-stage {
  display: grid;
  gap: 1rem;
}

.mock-stage.dual {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.mock-window,
.artifact-card,
.persona-card,
.timeline-card,
.signal-card {
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(245, 241, 234, 0.86));
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.mock-window {
  padding: 1rem;
  display: grid;
  gap: 0.9rem;
}

.mock-window.dark {
  background:
    linear-gradient(180deg, rgba(18, 18, 20, 0.96), rgba(25, 25, 28, 0.94));
  border-color: rgba(255, 255, 255, 0.12);
  color: white;
}

.mock-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.mock-toolbar strong {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.mock-dots {
  display: inline-flex;
  gap: 0.34rem;
}

.mock-dots span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(24, 24, 26, 0.16);
}

.mock-window.dark .mock-dots span {
  background: rgba(255, 255, 255, 0.18);
}

.mock-lines,
.mock-list,
.artifact-list,
.timeline-list {
  display: grid;
  gap: 0.72rem;
}

.mock-line {
  height: 0.68rem;
  border-radius: 999px;
  background: rgba(24, 24, 26, 0.1);
}

.mock-window.dark .mock-line {
  background: rgba(255, 255, 255, 0.12);
}

.mock-line.wide {
  width: 100%;
}

.mock-line.mid {
  width: 72%;
}

.mock-line.short {
  width: 42%;
}

.mock-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mock-list li,
.artifact-list li,
.timeline-list li {
  color: var(--ink-soft);
  line-height: 1.7;
}

.mock-window.dark .mock-list li {
  color: rgba(255, 255, 255, 0.72);
}

.home-inline-card {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 0.9rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(24, 24, 26, 0.08);
  background: rgba(24, 24, 26, 0.04);
}

.home-inline-card strong {
  font-size: 0.94rem;
  letter-spacing: -0.03em;
}

.home-inline-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.62;
}

.mock-window.dark .home-inline-card {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
}

.mock-window.dark .home-inline-card p {
  color: rgba(255, 255, 255, 0.72);
}

.signal-grid,
.artifact-grid,
.persona-grid,
.timeline-grid,
.benefit-grid {
  display: grid;
  gap: 1rem;
}

.signal-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.artifact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.persona-grid,
.benefit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signal-card,
.artifact-card,
.persona-card,
.timeline-card {
  padding: 1.25rem;
  display: grid;
  gap: 0.8rem;
}

.signal-card strong,
.artifact-card strong {
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.persona-card h3,
.timeline-card h3,
.artifact-card h3,
.signal-card h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.14;
  letter-spacing: -0.04em;
}

.persona-card p,
.timeline-card p,
.artifact-card p,
.signal-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.72;
}

.persona-card img {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  object-fit: cover;
}

.card-kicker {
  margin: 0;
  color: var(--ink-faint);
  font-family: "Geist Mono", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
}

.footer-link {
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-soft);
}

.site-footer {
  padding: 0 0 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.footer-block {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.footer-title {
  margin: 0;
  font-family: "Geist Mono", Consolas, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.footer-list {
  display: grid;
  gap: 0.55rem;
}

.footer-list a,
.footer-list p,
.footer-note {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

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

@media (max-width: 1100px) {
  .site-nav {
    display: none;
  }

  .page-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .mock-stage.dual,
  .signal-grid,
  .artifact-grid,
  .persona-grid,
  .timeline-grid,
  .benefit-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --page-max: calc(100vw - 1rem);
  }

  .site-header {
    padding: 0.82rem 0.9rem;
    grid-template-columns: auto auto;
  }

  .header-side {
    gap: 0.65rem;
  }

  .header-cta {
    min-width: 0;
  }

  .page-main {
    padding-top: calc(var(--header-safe) - 0.45rem);
  }

  .hero-center .display-title {
    font-size: clamp(2.65rem, 14vw, 4.3rem);
  }

  .button-row {
    flex-direction: column;
  }

  .button,
  .header-cta {
    width: 100%;
  }
}