:root {
  --ink: #17211d;
  --charcoal: #101613;
  --muted: #657269;
  --paper: #f4f0e7;
  --warm: #fffaf0;
  --jade: #14231f;
  --jade-2: #1f4c43;
  --brass: #b78a45;
  --clay: #b86f54;
  --blue: #2d465a;
  --mist: #dfe7df;
  --line: rgba(23, 33, 29, 0.14);
  --line-dark: rgba(255, 250, 240, 0.16);
  --shadow: 0 28px 80px rgba(16, 22, 19, 0.16);
  --radius: 8px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "Trebuchet MS", Verdana, sans-serif;
  line-height: 1.5;
}

img,
iframe {
  max-width: 100%;
}

a {
  color: inherit;
}

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

::selection {
  color: var(--warm);
  background: var(--jade-2);
}

.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.skip-link:focus {
  z-index: 999;
  width: auto;
  height: auto;
  clip: auto;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  color: var(--warm);
  background: var(--jade);
  border-radius: var(--radius);
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 4.7rem;
  padding: 0.72rem clamp(1rem, 4vw, 3rem);
  color: var(--warm);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(244, 240, 231, 0.96);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 9.7rem;
  height: auto;
  color: currentColor;
  overflow: visible;
}

.logo-word {
  fill: currentColor;
  font-family: Didot, "Bodoni 72", Georgia, "Times New Roman", serif;
  font-size: 84px;
  font-weight: 400;
}

.logo-frame,
.logo-ornament {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.logo-frame-outer {
  stroke-width: 1.5;
}

.logo-frame-inner {
  stroke-width: 0.9;
  opacity: 0.82;
}

.logo-ornament {
  stroke-width: 1.05;
  opacity: 0.9;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.site-nav a {
  padding: 0.72rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 800;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 250, 240, 0.18);
  outline: none;
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.is-scrolled .site-nav a:focus-visible,
.site-header.is-open .site-nav a:hover,
.site-header.is-open .site-nav a:focus-visible {
  background: rgba(20, 35, 31, 0.08);
}

.site-nav .nav-cta {
  color: var(--warm);
  background: var(--jade);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: var(--warm);
  background: var(--jade-2);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.68rem;
  color: currentColor;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  margin: 0.22rem 0;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--warm);
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(90deg, rgba(16, 22, 19, 0.94) 0%, rgba(16, 22, 19, 0.78) 42%, rgba(16, 22, 19, 0.18) 100%),
    url("assets/mufeng-workshop-hero.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.015);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 34%;
  background: linear-gradient(0deg, rgba(20, 35, 31, 0.72), transparent);
}

.hero-content {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 6.5rem 0 4rem;
}

.eyebrow,
.section-kicker {
  margin: 0 0 1rem;
  color: var(--brass);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero h1 {
  width: min(18ch, 100%);
  font-size: 4.15rem;
}

.hero-lede {
  width: min(44rem, 100%);
  margin: 1.35rem 0 0;
  color: rgba(255, 250, 240, 0.88);
  font-size: 1.2rem;
}

.hero-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.05rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  color: var(--warm);
  background: var(--jade);
}

.hero .button-primary {
  color: var(--jade);
  background: var(--warm);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--jade-2);
}

.hero .button-primary:hover,
.hero .button-primary:focus-visible {
  color: var(--warm);
}

.button-ghost {
  color: currentColor;
  border-color: currentColor;
  background: transparent;
}

.button-ghost:hover,
.button-ghost:focus-visible {
  background: rgba(20, 35, 31, 0.08);
}

.hero .button-ghost:hover,
.hero .button-ghost:focus-visible {
  background: rgba(255, 250, 240, 0.16);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--charcoal);
  color: var(--warm);
  border-top: 1px solid var(--line-dark);
}

.signal-strip div {
  min-height: 7.5rem;
  padding: 1.1rem clamp(1rem, 3vw, 2.2rem);
  background: rgba(255, 250, 240, 0.055);
}

.signal-strip span,
.output-label,
.capability-card span,
.expert-card span,
.impact-story span,
.industry-item span,
.insight-card span {
  display: block;
  color: var(--brass);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal-strip strong {
  display: block;
  margin-top: 0.35rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.12;
}

.section {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 6rem 0;
}

.section h2 {
  font-size: 3.65rem;
}

.section p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.section-heading,
.executive-grid,
.contact-panel,
.start-layout,
.experts-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.78fr);
  gap: 4.5rem;
  align-items: start;
}

.section-heading {
  margin-bottom: 3.2rem;
}

.section-heading.compact {
  display: block;
  width: min(58rem, 100%);
}

.executive-section {
  padding-bottom: 4.6rem;
}

.executive-copy {
  display: grid;
  gap: 1.9rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.metric-row div {
  min-height: 8rem;
  padding: 1rem;
  background: var(--warm);
}

.metric-row strong {
  display: block;
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.4rem;
  font-weight: 500;
  line-height: 1;
}

.metric-row span {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.expertise-section {
  width: auto;
  max-width: none;
  padding-left: max(1rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1rem, calc((100vw - var(--max)) / 2));
  color: var(--warm);
  background: var(--jade);
}

.expertise-section p {
  color: rgba(255, 250, 240, 0.72);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.capability-card {
  display: grid;
  align-content: start;
  min-height: 27rem;
  padding: 1.55rem;
  color: var(--ink);
  background: var(--warm);
}

.capability-card h3,
.expert-card h3,
.impact-story h3,
.insight-card h3,
.planner-output h3 {
  margin: 0.95rem 0 0.8rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0;
}

.capability-card p,
.capability-card li,
.expert-card p,
.impact-story p,
.industry-item p,
.insight-card a {
  color: var(--muted);
}

.capability-card ul {
  display: grid;
  gap: 0.55rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.capability-card li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.94rem;
}

.capability-card li::before,
.planner-output li::before {
  content: "";
  position: absolute;
  top: 0.65rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--clay);
  border-radius: 50%;
}

.industries-section {
  padding-bottom: 3.5rem;
}

.industry-list {
  display: grid;
  margin-top: 2.4rem;
  border-top: 1px solid var(--line);
}

.industry-item {
  display: grid;
  grid-template-columns: minmax(14rem, 0.42fr) 1fr;
  gap: 2rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.industry-item span {
  color: var(--blue);
  font-size: 0.92rem;
}

.start-section {
  width: auto;
  max-width: none;
  padding-left: max(1rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1rem, calc((100vw - var(--max)) / 2));
  background: #e4e8df;
}

.planner {
  display: grid;
  gap: 1.2rem;
}

.planner fieldset {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.planner legend {
  grid-column: 1 / -1;
  margin-bottom: 0.2rem;
  color: var(--jade);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.planner label {
  cursor: pointer;
}

.planner input {
  position: absolute;
  opacity: 0;
}

.planner span {
  display: grid;
  place-items: center;
  min-height: 4.7rem;
  padding: 0.85rem;
  text-align: center;
  background: rgba(255, 250, 240, 0.72);
  border: 1px solid rgba(20, 35, 31, 0.18);
  border-radius: var(--radius);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.planner input:checked + span {
  color: var(--warm);
  background: var(--jade);
  border-color: var(--jade);
}

.planner input:focus-visible + span {
  outline: 3px solid rgba(183, 138, 69, 0.42);
  outline-offset: 2px;
}

.planner-output {
  padding: 1.7rem;
  background: var(--warm);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.planner-output ul {
  display: grid;
  gap: 0.55rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.planner-output li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--muted);
}

.planner-output .button {
  margin-top: 1.7rem;
}

.experts-section {
  align-items: start;
}

.experts-copy {
  position: sticky;
  top: 7rem;
}

.experts-copy p {
  margin-top: 1.2rem;
}

.expert-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.expert-card {
  min-height: 14.5rem;
  padding: 1.45rem;
  background: var(--warm);
}

.impact-section {
  width: auto;
  max-width: none;
  padding-left: max(1rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1rem, calc((100vw - var(--max)) / 2));
  color: var(--warm);
  background: var(--charcoal);
}

.impact-section p {
  color: rgba(255, 250, 240, 0.72);
}

.impact-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.impact-story {
  min-height: 22rem;
  padding: 1.55rem;
  background: rgba(255, 250, 240, 0.06);
}

.impact-story h3,
.impact-story p {
  color: var(--warm);
}

.impact-story p {
  opacity: 0.74;
}

.insights-section {
  padding-bottom: 4.5rem;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 2.3rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.insight-card {
  display: grid;
  min-height: 22rem;
  padding: 1.55rem;
  background: var(--warm);
}

.insight-card a {
  align-self: end;
  margin-top: 2rem;
  font-weight: 900;
  text-decoration: none;
}

.insight-card a:hover,
.insight-card a:focus-visible {
  color: var(--jade-2);
  outline: none;
}

.contact-section {
  width: auto;
  max-width: none;
  padding-left: max(1rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1rem, calc((100vw - var(--max)) / 2));
  background: #ede6d8;
}

.contact-panel {
  align-items: stretch;
}

.contact-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.contact-details a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.7rem 0.9rem;
  color: var(--jade);
  background: rgba(20, 35, 31, 0.07);
  border: 1px solid rgba(20, 35, 31, 0.14);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 900;
}

.contact-details a:hover,
.contact-details a:focus-visible {
  background: rgba(20, 35, 31, 0.12);
  outline: none;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 1.65rem;
  background: var(--warm);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--jade);
  font-size: 0.83rem;
  font-weight: 900;
}

.contact-form .full,
.form-actions,
.form-status {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  background: #fffdf7;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: 3px solid rgba(183, 138, 69, 0.28);
  border-color: var(--brass);
}

.form-status {
  min-height: 1.5rem;
  color: var(--jade);
  font-weight: 900;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) auto auto;
  align-items: end;
  gap: 2rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  color: var(--warm);
  background: #0d1210;
}

.footer-brand {
  display: grid;
  gap: 0.8rem;
}

.footer-brand p,
.footer-meta {
  margin: 0;
  color: rgba(255, 250, 240, 0.68);
}

.footer-logo {
  width: 9.6rem;
  height: auto;
  color: var(--warm);
  opacity: 0.92;
  overflow: visible;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.footer-links a {
  color: rgba(255, 250, 240, 0.78);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 900;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--warm);
  outline: none;
}

.reveal {
  transform: translateY(18px);
  opacity: 0;
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (min-width: 1100px) {
  .hero h1 {
    font-size: 4.8rem;
  }
}

@media (max-width: 1040px) {
  .section-heading,
  .executive-grid,
  .contact-panel,
  .start-layout,
  .experts-section {
    grid-template-columns: 1fr;
    gap: 2.6rem;
  }

  .capability-grid,
  .impact-board,
  .insight-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .experts-copy {
    position: static;
  }
}

@media (max-width: 820px) {
  .signal-strip,
  .metric-row,
  .planner fieldset {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 4.25rem;
    padding: 0.62rem 1rem;
  }

  .brand-logo {
    width: 7.65rem;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0.15rem;
    padding: 0.55rem;
    color: var(--ink);
    background: rgba(244, 240, 231, 0.98);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform: translateY(-0.5rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-header.is-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    border-radius: var(--radius);
  }

  .site-header.is-open .nav-toggle-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .site-header.is-open .nav-toggle-line:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-open .nav-toggle-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero {
    min-height: 84svh;
  }

  .hero-media {
    background-image:
      linear-gradient(180deg, rgba(16, 22, 19, 0.62), rgba(16, 22, 19, 0.86)),
      url("assets/mufeng-workshop-hero.png");
    background-position: center right 34%;
  }

  .hero-content {
    padding: 7rem 0 4.25rem;
  }

  .hero h1 {
    font-size: 3.35rem;
  }

  .hero-lede {
    font-size: 1.06rem;
  }

  .section {
    width: min(100% - 1.5rem, var(--max));
    padding: 4.4rem 0;
  }

  .section h2 {
    font-size: 2.65rem;
  }

  .signal-strip,
  .capability-grid,
  .impact-board,
  .insight-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .capability-card,
  .impact-story,
  .insight-card {
    min-height: 18rem;
  }
}

@media (max-width: 430px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .section h2 {
    font-size: 2.25rem;
  }

  .signal-strip,
  .metric-row,
  .planner fieldset {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    transform: none;
    opacity: 1;
  }
}