:root {
  --paper: #ffffff;
  --ink: #111111;
  --muted: #555555;
  --faint: #f4f4f4;
  --rule: #d8d8d8;
  --rule-dark: rgba(17, 17, 17, 0.22);
  --accent: #8b0e16;
  --container: 1160px;
  --page-pad: clamp(20px, 5vw, 64px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.12);
}

.brand-name,
.brand-division {
  display: block;
}

.brand-name {
  font-weight: 800;
  font-size: 0.96rem;
}

.brand-division {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-actions a {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.header-actions a:hover {
  color: var(--accent);
}

.header-actions .header-link {
  padding: 10px 14px;
  border: 1px solid var(--ink);
  color: var(--ink);
}

.hero {
  padding: clamp(28px, 5vw, 60px) var(--page-pad) clamp(34px, 5vw, 58px);
  border-bottom: 1px solid var(--rule);
}

.hero-copy {
  max-width: var(--container);
  margin: 0 auto;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
}

h1 {
  max-width: 760px;
  font-size: clamp(2rem, 4.2vw, 3.75rem);
  font-weight: 800;
  line-height: 1.04;
}

h2 {
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.08;
}

h3 {
  font-size: 1.03rem;
  line-height: 1.24;
}

.signup-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 10px;
  max-width: 690px;
}

.signup-form input,
.signup-form button {
  min-height: 52px;
  border: 1px solid var(--ink);
  border-radius: 0;
  font: inherit;
}

.signup-form input {
  width: 100%;
  padding: 0 15px;
  background: var(--paper);
  color: var(--ink);
}

.signup-form button {
  padding: 0 18px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-weight: 800;
}

.signup-form button:hover {
  background: #680a10;
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.section {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 0.58fr);
  gap: clamp(24px, 6vw, 72px);
  max-width: calc(var(--container) + (var(--page-pad) * 2));
  margin: 0 auto;
  padding: clamp(42px, 6vw, 66px) var(--page-pad);
  border-bottom: 1px solid var(--rule);
}

.section-copy p,
.signup-panel p:not(.section-label) {
  max-width: 660px;
  margin: 0 0 16px;
  color: #2b2b2b;
  font-size: 1.03rem;
}

.formal-list {
  padding-top: 6px;
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin: 0;
}

.section-heading p:not(.section-label) {
  max-width: 620px;
  margin: 18px 0 0;
  color: #2b2b2b;
  font-size: 1.03rem;
}

.submission-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 1.15fr);
  gap: clamp(24px, 5vw, 64px);
  max-width: calc(var(--container) + (var(--page-pad) * 2));
  margin: 0 auto;
  padding: clamp(42px, 6vw, 66px) var(--page-pad);
  border-bottom: 1px solid var(--rule);
}

.scenario-form {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--ink);
  background: var(--paper);
}

.scenario-form label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scenario-form input,
.scenario-form textarea,
.scenario-form button {
  min-height: 52px;
  border: 1px solid var(--ink);
  border-radius: 0;
  font: inherit;
}

.scenario-form input,
.scenario-form textarea {
  width: 100%;
  padding: 0 15px;
  background: var(--paper);
  color: var(--ink);
}

.scenario-form textarea {
  min-height: 150px;
  padding: 14px 15px;
  resize: vertical;
}

.scenario-form button {
  margin-top: 4px;
  padding: 0 18px;
  background: var(--ink);
  color: #ffffff;
  cursor: pointer;
  font-weight: 800;
}

.scenario-form button:hover {
  background: var(--accent);
}

.signup-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(24px, 5vw, 64px);
  max-width: calc(var(--container) + (var(--page-pad) * 2));
  margin: 0 auto;
  padding: clamp(34px, 5vw, 56px) var(--page-pad);
  border-top: 0;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.signup-panel h2 {
  margin-bottom: 18px;
}

.signup-form.compact {
  align-self: center;
}

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-bottom: 14px;
}

.footer-links a {
  border: 1px solid var(--ink);
  padding: 8px 11px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.footer-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-size: 0.86rem;
  text-align: right;
}

.site-footer p {
  margin: 0 0 4px;
}

.footer-brand {
  color: var(--ink);
  font-weight: 800;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .section,
  .submission-section,
  .signup-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .header-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--rule);
  }

  .header-actions a,
  .header-actions .header-link {
    width: 100%;
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid var(--rule);
  }

  .signup-form {
    grid-template-columns: 1fr;
  }

  .signup-form button {
    width: 100%;
  }

}