:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #eef6f5;
  --text: #10202b;
  --muted: #526476;
  --line: #dce5ec;
  --navy: #0b2c4a;
  --teal: #0f766e;
  --teal-dark: #0b5d56;
  --gold: #c7861e;
  --gold-soft: #fff4dd;
  --danger-soft: #fff1f2;
  --shadow: 0 20px 60px rgba(13, 43, 70, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--navy);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  left: 10px;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-pad {
  padding: 5.5rem 0;
}

.muted {
  background: #f0f7f6;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(248, 250, 252, 0.86);
  border-bottom: 1px solid rgba(220, 229, 236, 0.8);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
  text-decoration: none;
  min-width: 260px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  color: white;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.brand strong {
  display: block;
  font-size: 0.98rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.55rem 0.7rem;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--teal-dark);
  background: #e3f2ef;
  outline: none;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  color: var(--navy);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  font-weight: 800;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(15, 118, 110, 0.18), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(199, 134, 30, 0.16), transparent 34%),
    linear-gradient(135deg, #f8fafc 0%, #edf7f5 100%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(11, 44, 74, 0.08);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--teal-dark);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  margin: 0 0 0.75rem;
}

h1, h2, h3, h4 {
  color: var(--navy);
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(2.55rem, 6vw, 5.6rem);
  max-width: 920px;
  letter-spacing: -0.06em;
}

h1 span {
  color: var(--teal-dark);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.3rem;
}

p {
  margin: 0.85rem 0 0;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  color: #34485a;
  max-width: 760px;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button.primary {
  background: var(--teal);
  color: white;
  box-shadow: 0 12px 26px rgba(15, 118, 110, 0.22);
}

.button.primary:hover,
.button.primary:focus {
  background: var(--teal-dark);
}

.button.secondary {
  background: white;
  color: var(--navy);
  border: 1px solid var(--line);
}

.hero-card {
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  font-size: 1.45rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.2rem;
}

.stat {
  background: #f7fbfb;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
}

.stat strong {
  display: block;
  color: var(--teal-dark);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.micro-note {
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: var(--gold-soft);
  color: #6c470b;
  font-weight: 750;
  margin-top: 1rem;
}

.quick-banner {
  background: var(--navy);
  color: white;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
}

.quick-grid > div {
  padding: 1.1rem;
  background: rgba(255,255,255,0.04);
}

.quick-grid strong {
  color: #aee7de;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 3rem;
  align-items: start;
}

.case-panel,
.steps-card,
.scenario-panel,
.weight-card,
.faq-wrap details,
.final-cta {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px rgba(13, 43, 70, 0.07);
}

.case-panel {
  padding: 1.5rem;
}

.check-list,
.compact-list {
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.check-list li,
.compact-list li {
  position: relative;
  padding-left: 1.75rem;
  margin: 0.65rem 0;
}

.check-list li::before,
.compact-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--teal-dark);
  font-weight: 900;
}

.section-head {
  max-width: 780px;
  margin-bottom: 2rem;
}

.scenario-tabs {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.scenario-tab {
  border: 1px solid var(--line);
  background: white;
  color: var(--navy);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font-weight: 850;
  cursor: pointer;
}

.scenario-tab.active,
.scenario-tab:hover,
.scenario-tab:focus {
  color: white;
  background: var(--teal);
  border-color: var(--teal);
  outline: none;
}

.scenario-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 2rem;
  padding: 2rem;
}

.scenario-panel h3 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
}

.scenario-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.scenario-details > div {
  background: #f8fbfb;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
}

.scenario-details h4 {
  font-size: 0.95rem;
}

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 0.6rem;
  margin: 2rem 0;
}

.flow-step {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.flow-step strong {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--teal);
  color: white;
}

.flow-step span {
  color: var(--navy);
  font-weight: 800;
}

.flow-arrow {
  display: grid;
  place-items: center;
  color: var(--teal-dark);
  font-size: 1.5rem;
  font-weight: 900;
}

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

.tool-grid article {
  background: var(--surface-soft);
  border: 1px solid #cfe7e3;
  border-radius: 22px;
  padding: 1.2rem;
}

.tool-grid h3 {
  font-size: 1rem;
}

.tool-grid p {
  color: var(--muted);
  font-size: 0.95rem;
}

.steps-card {
  padding: 1.25rem;
}

.steps-card label {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.85rem;
  border-radius: 16px;
  font-weight: 720;
}

.steps-card label:hover {
  background: #f4faf9;
}

.steps-card input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.15rem;
  accent-color: var(--teal);
}

.progress-wrap {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 18px;
  background: #f8fbfb;
  border: 1px solid var(--line);
}

.progress-bar {
  height: 14px;
  border-radius: 999px;
  background: #dbe8e7;
  overflow: hidden;
}

.progress-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  transition: width 220ms ease;
}

#progress-text {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-weight: 800;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.role-grid article {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.1rem;
  min-height: 205px;
}

.role-grid span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gold-soft);
  color: #79510d;
  font-weight: 900;
  margin-bottom: 0.9rem;
}

.role-grid h3 {
  font-size: 1.02rem;
}

.role-grid p {
  color: var(--muted);
  font-size: 0.94rem;
}

.deliverable-list {
  display: grid;
  gap: 1rem;
}

.deliverable-list article {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.2rem;
}

.deliverable-list h3 {
  font-size: 1.1rem;
}

.deliverable-list p {
  color: var(--muted);
}

.weight-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
}

.weight-card {
  padding: 1.4rem;
}

.weight-circle {
  width: 110px;
  height: 110px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  font-size: 2rem;
  font-weight: 950;
  margin-bottom: 1rem;
  letter-spacing: -0.05em;
}

.group-weight .weight-circle {
  background: var(--teal);
}

.reflection-weight .weight-circle {
  background: var(--gold);
}

.weighted-list {
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.weighted-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 760;
}

.weighted-list li:last-child {
  border-bottom: 0;
}

.weighted-list span {
  color: var(--teal-dark);
  font-weight: 950;
  min-width: 52px;
}

.ethics-rules {
  display: grid;
  gap: 0.9rem;
}

.ethics-rules div {
  display: grid;
  gap: 0.3rem;
  background: white;
  border: 1px solid var(--line);
  border-left: 6px solid var(--teal);
  border-radius: 18px;
  padding: 1rem;
}

.ethics-rules strong {
  color: var(--navy);
}

.ethics-rules span {
  color: var(--muted);
}

.faq-wrap details {
  padding: 1rem 1.15rem;
  margin-bottom: 0.85rem;
}

.faq-wrap summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--navy);
}

.faq-wrap details p {
  color: var(--muted);
}

.final-cta {
  margin-top: 1.2rem;
  padding: 1.4rem;
  background: linear-gradient(135deg, var(--navy), #123d61);
  color: white;
  border: 0;
}

.final-cta h3 {
  color: white;
}

.final-cta p {
  color: rgba(255,255,255,0.82);
  max-width: 680px;
}

.final-cta .button {
  margin-top: 1rem;
}

.site-footer {
  padding: 2rem 0;
  background: #071d31;
  color: white;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-grid p {
  margin: 0;
  color: rgba(255,255,255,0.82);
}

.footer-grid a {
  color: #aee7de;
  text-decoration: none;
  font-weight: 800;
}

@media (max-width: 1060px) {
  .hero-grid,
  .two-col,
  .scenario-panel,
  .weight-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    min-height: auto;
    padding: 0.7rem 0;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .brand {
    min-width: 0;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 0.65rem 0 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    border-radius: 12px;
    background: white;
  }

  .section-pad {
    padding: 3.7rem 0;
  }

  .quick-grid,
  .scenario-details,
  .tool-grid,
  .role-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(100% - 28px, var(--max));
  }
}

@media print {
  .site-header,
  .hero-actions,
  .nav-toggle,
  .final-cta .button,
  .site-footer {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section-pad {
    padding: 1.2rem 0;
  }

  .hero,
  .muted,
  .quick-banner {
    background: white;
  }

  .quick-banner {
    color: black;
    border-top: 1px solid #bbb;
    border-bottom: 1px solid #bbb;
  }

  .hero-card,
  .case-panel,
  .scenario-panel,
  .weight-card,
  .steps-card,
  .faq-wrap details,
  .final-cta,
  .deliverable-list article,
  .role-grid article,
  .tool-grid article,
  .ethics-rules div {
    box-shadow: none;
    break-inside: avoid;
  }
}