:root {
  color-scheme: light;
  --ink: #08111f;
  --muted: #5b6677;
  --paper: #f6f8fb;
  --white: #ffffff;
  --navy: #07152b;
  --blue: #155bd8;
  --cyan: #1ac8d8;
  --gold: #f5bd4f;
  --coral: #ef765f;
  --green: #2cad86;
  --line: rgba(8, 17, 31, 0.13);
  --shadow: 0 26px 70px rgba(8, 17, 31, 0.18);
  --radius: 8px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

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

.site-header {
  position: fixed;
  z-index: 30;
  top: 18px;
  left: 50%;
  display: flex;
  width: min(calc(100% - 32px), var(--content));
  min-height: 64px;
  transform: translateX(-50%);
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 12px 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(5, 14, 30, 0.72);
  color: var(--white);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
}

.brand-logos {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logos a {
  display: inline-grid;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.brand-logos img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.main-nav a,
.header-cta {
  min-height: 40px;
  padding: 9px 13px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.84);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  outline: none;
}

.header-cta {
  background: var(--gold);
  color: #211404;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  overflow: hidden;
  color: var(--white);
}

.hero-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 31%;
  transform: scale(1.02);
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 8, 18, 0.92), rgba(2, 8, 18, 0.42) 52%, rgba(2, 8, 18, 0.66)),
    linear-gradient(180deg, rgba(2, 8, 18, 0.34), rgba(2, 8, 18, 0.34) 48%, rgba(2, 8, 18, 0.94));
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  width: min(calc(100% - 32px), var(--content));
  margin: 76px auto 120px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: 4.9rem;
  line-height: 0.95;
  text-wrap: balance;
  text-shadow: 0 14px 40px rgba(0, 0, 0, 0.48);
}

.hero h1 span {
  display: block;
  margin-top: 12px;
  color: var(--gold);
  font-size: 2.35rem;
  line-height: 1.1;
}

.hero-lede {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.16rem;
}

.hero-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  font-weight: 850;
  line-height: 1.2;
}

.button svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.button-primary {
  background: var(--gold);
  color: #211404;
  box-shadow: 0 18px 34px rgba(245, 189, 79, 0.25);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.registration-form .button-secondary,
.button-copy {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.button:hover,
.button:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.hero-strip {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(4, 13, 29, 0.82);
  backdrop-filter: blur(18px);
}

.hero-strip div {
  min-width: 0;
  padding: 22px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-strip strong,
.hero-strip span {
  display: block;
}

.hero-strip strong {
  color: var(--gold);
  font-size: 1.55rem;
  line-height: 1;
}

.hero-strip span {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.91rem;
}

.section {
  width: min(calc(100% - 32px), var(--content));
  margin: 0 auto;
  padding: 86px 0;
}

.intro-grid,
.scenario-kit,
.registration {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 56px;
  align-items: start;
}

h2 {
  margin: 0;
  max-width: 840px;
  font-size: 2.35rem;
  line-height: 1.12;
}

h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.25;
}

p {
  margin: 18px 0 0;
  color: var(--muted);
}

.quick-facts {
  margin: 0;
  border-top: 4px solid var(--green);
  background: var(--white);
  box-shadow: var(--shadow);
}

.quick-facts div {
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.quick-facts div:last-child {
  border-bottom: 0;
}

.quick-facts dt {
  color: var(--ink);
  font-weight: 900;
}

.quick-facts dd {
  margin: 6px 0 0;
  color: var(--muted);
}

.benefits,
.timeline-section {
  width: 100%;
  max-width: none;
  padding-right: max(16px, calc((100% - var(--content)) / 2));
  padding-left: max(16px, calc((100% - var(--content)) / 2));
}

.benefits {
  background: #ffffff;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.benefit-grid article {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(21, 91, 216, 0.06), rgba(255, 255, 255, 0)),
    var(--white);
}

.benefit-number {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 900;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.text-link {
  color: var(--blue);
  font-weight: 850;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
  border: 1px solid var(--line);
  background: var(--white);
}

.timeline li {
  min-height: 240px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.timeline li:last-child {
  border-right: 0;
}

.timeline-label {
  display: inline-flex;
  margin-bottom: 32px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(21, 91, 216, 0.08);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
}

.timeline p {
  color: var(--ink);
  font-weight: 850;
}

address {
  margin-top: 12px;
  color: var(--muted);
  font-style: normal;
}

.scenario {
  border-top: 1px solid var(--line);
}

.scenario-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.scenario-stats div,
.scenario-card,
.worksheet-details details,
.submission-checklist {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.scenario-stats div {
  min-height: 116px;
  padding: 18px;
}

.scenario-stats strong,
.scenario-stats span {
  display: block;
}

.scenario-stats strong {
  color: var(--blue);
  font-size: 1.35rem;
  line-height: 1;
}

.scenario-stats span {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.scenario-card {
  padding: 26px;
  box-shadow: var(--shadow);
}

.scenario-card p {
  margin-top: 12px;
}

.scenario-actions {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.button-outline {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.worksheet-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.worksheet-details details {
  overflow: hidden;
}

.worksheet-details summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  min-height: 68px;
  padding: 18px 20px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
  list-style: none;
}

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

.worksheet-details summary::after {
  justify-self: end;
  color: var(--blue);
  content: "+";
  font-size: 1.35rem;
  line-height: 1;
}

.worksheet-details details[open] summary {
  border-bottom: 1px solid var(--line);
  background: rgba(21, 91, 216, 0.05);
}

.worksheet-details details[open] summary::after {
  content: "-";
}

.worksheet-details summary span {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(44, 173, 134, 0.12);
  color: var(--green);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.worksheet-details p {
  margin: 0;
  padding: 16px 20px 20px;
}

.submission-checklist {
  margin-top: 18px;
  padding: 24px 26px;
  border-left: 4px solid var(--gold);
}

.submission-checklist ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.submission-checklist li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
  font-weight: 750;
}

.submission-checklist li::before {
  position: absolute;
  top: 3px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  content: "✓";
  font-size: 0.78rem;
  line-height: 18px;
  text-align: center;
}

.registration {
  width: 100%;
  max-width: none;
  padding-right: max(16px, calc((100% - var(--content)) / 2));
  padding-left: max(16px, calc((100% - var(--content)) / 2));
  background: linear-gradient(180deg, #eef6f6, #f6f8fb);
}

.registration-copy {
  position: sticky;
  top: 120px;
}

.contact-panel {
  margin-top: 32px;
  padding: 24px;
  border-left: 4px solid var(--gold);
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-panel p {
  margin-top: 10px;
  color: var(--ink);
}

.contact-panel a {
  color: var(--blue);
  font-weight: 850;
}

.registration-form {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

fieldset {
  margin: 0;
  padding: 0 0 24px;
  border: 0;
}

fieldset + fieldset {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

legend {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 900;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(8, 17, 31, 0.18);
  border-radius: var(--radius);
  background: #fbfcfe;
  color: var(--ink);
  padding: 11px 12px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(21, 91, 216, 0.12);
}

.registration-form.was-submitted input:invalid:not(:focus),
.registration-form.was-submitted select:invalid:not(:focus),
.registration-form.was-submitted textarea:invalid:not(:focus) {
  border-color: var(--coral);
}

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

.form-row + label,
label + .form-row,
label + label,
.member-grid + label {
  margin-top: 14px;
}

.check-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  color: var(--muted);
  font-weight: 700;
}

.check-line input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  margin-top: 3px;
  flex: 0 0 auto;
  accent-color: var(--blue);
}

.summary-panel {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.summary-panel textarea {
  margin-top: 7px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}

.button-copy {
  margin-top: 12px;
}

.form-note {
  min-height: 24px;
  margin-top: 14px;
  color: var(--green);
  font-weight: 800;
}

.form-note.is-error {
  color: var(--coral);
}

.partners {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.partners-title {
  max-width: none;
  font-size: 3.1rem;
  text-align: center;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.partner-logo {
  display: grid;
  min-height: 190px;
  place-items: center;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 42px rgba(8, 17, 31, 0.1);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.partner-logo:hover,
.partner-logo:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(21, 91, 216, 0.35);
  box-shadow: 0 24px 52px rgba(8, 17, 31, 0.15);
  outline: none;
}

.partner-logo img {
  width: min(100%, 280px);
  max-height: 112px;
  object-fit: contain;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px max(16px, calc((100% - var(--content)) / 2));
  background: var(--ink);
  color: var(--white);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--gold);
  font-weight: 850;
}

@media (max-width: 920px) {
  .site-header {
    top: 10px;
  }

  .main-nav {
    display: none;
  }

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

  .hero h1 span {
    font-size: 1.8rem;
  }

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

  .intro-grid,
  .scenario-kit,
  .registration {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .registration-copy {
    position: static;
  }

  .benefit-grid,
  .timeline,
  .partner-grid,
  .worksheet-details,
  .submission-checklist ul {
    grid-template-columns: 1fr;
  }

  .timeline li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 640px) {
  .site-header {
    width: calc(100% - 20px);
    min-height: 58px;
    padding: 8px;
  }

  .brand-logos {
    gap: 7px;
  }

  .brand-logos a {
    width: 40px;
    height: 40px;
  }

  .header-cta {
    padding: 8px 10px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: 94svh;
  }

  .hero-poster {
    object-position: center top;
  }

  .hero-content {
    width: calc(100% - 28px);
    margin-top: 86px;
    margin-bottom: 190px;
  }

  .hero h1 {
    max-width: 360px;
    font-size: 2.45rem;
    line-height: 1;
  }

  .hero h1 span {
    font-size: 1.28rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .hero-strip div {
    padding: 15px 14px;
  }

  .hero-strip strong {
    font-size: 1.22rem;
  }

  .hero-strip span {
    font-size: 0.78rem;
  }

  .section,
  .benefits,
  .timeline-section,
  .registration {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  h2 {
    font-size: 1.72rem;
  }

  .partners-title {
    font-size: 2.25rem;
  }

  .section-heading-row,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .form-row,
  .member-grid,
  .scenario-stats {
    grid-template-columns: 1fr;
  }

  .registration-form {
    padding: 20px;
  }
}
