:root {
  color-scheme: light;
  --ink: #101618;
  --ink-soft: #283335;
  --muted: #627174;
  --line: #dbe3e1;
  --paper: #f5f7f4;
  --white: #ffffff;
  --night: #101618;
  --night-2: #162123;
  --copper: #b8742b;
  --gold: #d8a24a;
  --teal: #1f8a7a;
  --blue: #275f9f;
  --red: #a4473e;
  --shadow: 0 18px 48px rgba(16, 22, 24, 0.12);
  --display: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", Georgia, serif;
  --body: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 70px;
  padding: 14px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(219, 227, 225, 0.68);
  background: rgba(245, 247, 244, 0.92);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.cta-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--gold);
  font-weight: 900;
  font-size: 13px;
}

.brand-name {
  font-weight: 800;
}

.nav-links {
  justify-content: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a,
.nav-phone,
.primary-action,
.secondary-action,
.site-footer a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-phone:hover,
.site-footer a:hover {
  color: var(--copper);
}

.nav-phone {
  padding: 11px 15px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  background: var(--night);
  color: var(--white);
}

#signalCanvas,
.hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(16, 22, 24, 0.95) 0%, rgba(16, 22, 24, 0.82) 43%, rgba(16, 22, 24, 0.32) 100%),
    linear-gradient(0deg, rgba(16, 22, 24, 0.78), rgba(16, 22, 24, 0.06) 58%, rgba(16, 22, 24, 0.18));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  min-height: 88svh;
  margin: 0 auto;
  padding: 72px 0 56px;
}

.hero-copy {
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--copper);
}

.eyebrow.light {
  color: #f0bd62;
}

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

h1,
h2 {
  font-family: var(--display);
  font-weight: 800;
  line-height: 1.12;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 88px);
  max-width: 880px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.6vw, 60px);
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.3;
}

.hero-lede {
  max-width: 760px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.72;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 6px;
  font-weight: 900;
}

.primary-action {
  background: var(--gold);
  color: var(--ink);
}

.primary-action:hover {
  background: #f0bd62;
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: var(--white);
}

.secondary-action:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero-panel {
  align-self: end;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(16, 22, 24, 0.68);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

.panel-label {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  font-weight: 800;
}

.ratio-row {
  display: grid;
  grid-template-columns: 94px 1fr;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.ratio-row strong {
  color: var(--gold);
  font-family: var(--display);
  font-size: 40px;
  line-height: 1;
}

.ratio-row span {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 800;
}

.ratio-main strong {
  font-size: 54px;
}

.panel-note {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}

.intro-band,
.outcome-section,
.method-section,
.deliverable-section,
.company-section,
.mentor-section {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 4vw, 56px);
}

.section-grid,
.company-layout,
.mentor-layout,
.cta-section {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.intro-copy {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.9;
}

.intro-copy p:last-child,
.audience-list p:last-child {
  margin-bottom: 0;
}

.section-heading {
  width: min(1180px, 100%);
  margin: 0 auto 44px;
}

.section-heading h2 {
  max-width: 840px;
}

.outcome-section {
  background: var(--white);
}

.outcome-grid,
.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.outcome-card,
.deliverable-grid article,
.method-grid article,
.mentor-card,
.client-proof {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.outcome-card,
.deliverable-grid article {
  padding: 24px;
  min-height: 260px;
}

.outcome-card span,
.deliverable-grid span,
.timeline-index {
  color: var(--copper);
  font-family: var(--display);
  font-weight: 900;
}

.outcome-card p,
.deliverable-grid p,
.method-grid p,
.timeline-body p,
.mentor-card p,
.client-proof h3,
.audience-list {
  color: var(--muted);
  line-height: 1.75;
}

.structure-section,
.audience-section,
.cta-section {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 4vw, 56px);
  background: var(--night);
  color: var(--white);
}

.structure-section .section-heading h2,
.audience-section h2,
.cta-section h2 {
  color: var(--white);
}

.timeline {
  display: grid;
  gap: 14px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

.timeline-index {
  display: grid;
  place-items: center;
  min-height: 150px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: var(--night-2);
  font-size: 32px;
}

.timeline-body {
  padding: 26px 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.timeline-body h3 {
  color: var(--white);
}

.timeline-body p {
  color: rgba(255, 255, 255, 0.68);
}

.module-tag {
  margin-bottom: 8px;
  color: var(--gold) !important;
  font-size: 12px;
  font-weight: 900;
}

.method-section {
  background:
    linear-gradient(90deg, rgba(31, 138, 122, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(39, 95, 159, 0.08) 1px, transparent 1px),
    var(--paper);
  background-size: 46px 46px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.method-grid article {
  padding: 24px;
  background: rgba(255, 255, 255, 0.82);
}

.deliverable-section {
  background: #eef3f1;
}

.deliverable-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.deliverable-grid article {
  min-height: 280px;
}

.audience-section {
  background:
    linear-gradient(115deg, rgba(16, 22, 24, 0.96), rgba(16, 22, 24, 0.9)),
    var(--night);
}

.audience-list {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.company-section {
  background: var(--paper);
}

.company-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.company-copy {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.9;
}

.company-copy p:last-child {
  margin-bottom: 0;
}

.mentor-section {
  background: var(--white);
}

.mentor-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
}

.mentor-card,
.client-proof {
  padding: clamp(28px, 4vw, 44px);
}

.mentor-card h2 {
  margin-bottom: 10px;
}

.mentor-title {
  color: var(--copper) !important;
  font-size: 20px;
  font-weight: 900;
}

.client-proof h3 {
  margin-bottom: 26px;
  color: var(--ink);
  font-size: 26px;
}

.client-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.client-cloud span {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8faf8;
  color: var(--ink-soft);
  font-weight: 800;
}

.cta-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  background: #172220;
}

.cta-copy p {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.8;
}

.cta-actions {
  align-items: flex-start;
  flex-direction: column;
  gap: 14px;
}

.primary-action.light {
  background: var(--gold);
  color: var(--ink);
}

.cta-actions p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.cta-actions a:not(.primary-action) {
  color: var(--gold);
  font-weight: 900;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 4vw, 56px);
  background: #0b0f10;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero-inner,
  .section-grid,
  .company-layout,
  .mentor-layout,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    align-self: auto;
    max-width: 520px;
  }

  .outcome-grid,
  .deliverable-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
    padding: 10px 14px;
  }

  .brand-name {
    display: none;
  }

  .nav-phone {
    padding: 10px 12px;
    font-size: 12px;
  }

  .hero,
  .hero-inner {
    min-height: 90svh;
  }

  .hero-inner {
    width: calc(100% - 28px);
    padding: 54px 0 32px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 33px;
  }

  .hero-lede,
  .intro-copy,
  .company-copy,
  .audience-list,
  .cta-copy p {
    font-size: 16px;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .hero-panel {
    padding: 18px;
  }

  .ratio-row {
    grid-template-columns: 80px 1fr;
  }

  .ratio-row strong {
    font-size: 34px;
  }

  .ratio-main strong {
    font-size: 44px;
  }

  .outcome-grid,
  .deliverable-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-index {
    min-height: 58px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  #signalCanvas {
    display: none;
  }
}
