:root {
  --bg: #f6f4ee;
  --bg-strong: #ebe6da;
  --ink: #0c233f;
  --ink-soft: #42526a;
  --accent: #d96f32;
  --accent-dark: #af5221;
  --blue: #174c73;
  --line: rgba(12, 35, 63, 0.14);
  --white: #fffdf8;
  --danger: #b42318;
  --success: #18794e;
  --shadow: 0 22px 70px rgba(12, 35, 63, 0.14);
  --radius: 28px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(217, 111, 50, 0.18), transparent 34rem),
    linear-gradient(180deg, var(--bg), #fffaf0 52%, var(--bg));
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

body.is-submitting {
  cursor: progress;
}

a {
  color: inherit;
}

.design-switcher {
  align-items: center;
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 12px 35px rgba(12, 35, 63, 0.12);
  display: flex;
  gap: 0.65rem;
  left: 50%;
  padding: 0.35rem;
  position: fixed;
  top: 14px;
  transform: translateX(-50%);
  z-index: 90;
}

.design-switcher-label {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding-left: 0.65rem;
  text-transform: uppercase;
}

.design-options {
  display: flex;
  gap: 0.2rem;
}

.design-options button {
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 850;
  padding: 0.55rem 0.75rem;
}

.design-options button:hover,
.design-options button:focus-visible {
  color: var(--ink);
  outline: none;
}

.design-options button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
}

.skip-link {
  background: var(--ink);
  color: var(--white);
  left: 1rem;
  padding: 0.7rem 1rem;
  position: absolute;
  top: -5rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 82px 0 8px;
}

.brand {
  align-items: flex-start;
  display: inline-flex;
  flex-direction: column;
  gap: 0.18rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-title {
  align-items: baseline;
  display: inline-flex;
  gap: 0.2rem;
}

.brand-mark,
.brand-conference {
  color: var(--accent);
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.brand-word {
  color: var(--ink);
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.brand-subheadline {
  color: var(--ink-soft);
  font-size: clamp(0.62rem, 1.35vw, 0.78rem);
  font-weight: 800;
  letter-spacing: 0.22em;
  line-height: 1.1;
}

.nav {
  align-items: center;
  display: flex;
  gap: 1rem;
  font-size: 0.94rem;
  font-weight: 700;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.nav a:hover,
.nav a:focus {
  color: var(--ink);
}

.hero {
  padding: 72px 0 42px;
}

.hero-content,
.section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-content {
  background:
    linear-gradient(135deg, rgba(12, 35, 63, 0.96), rgba(23, 76, 115, 0.94)),
    var(--ink);
  color: var(--white);
  min-height: 480px;
  padding: clamp(2rem, 6vw, 4.75rem);
}

.eyebrow {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin: 0 0 0.85rem;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  letter-spacing: -0.065em;
  line-height: 0.95;
  margin: 0;
}

.hero h1 {
  font-size: clamp(4.2rem, 8vw, 6.6rem);
  max-width: 8ch;
}

.hero-copy {
  color: rgba(255, 253, 248, 0.78);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  max-width: 680px;
}

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

.button {
  align-items: center;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 0.9rem 1.2rem;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #180c05;
}

.button-primary:hover,
.button-primary:focus {
  background: #f08742;
  box-shadow: 0 14px 32px rgba(217, 111, 50, 0.28);
}

.button-secondary {
  background: rgba(255, 253, 248, 0.12);
  color: var(--white);
}

.section {
  background: rgba(255, 253, 248, 0.78);
  margin: 1.5rem 0;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.alliance {
  display: grid;
  gap: 2rem;
  grid-template-columns: 0.9fr 1.1fr;
}

.section h2 {
  font-size: clamp(2.4rem, 7vw, 5rem);
}

.section p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  margin: 0;
}

.section-heading {
  margin-bottom: 1.5rem;
}

.essentials {
  display: grid;
  gap: 1.5rem 2rem;
  grid-template-columns: 0.9fr 1.1fr;
}

.essentials > p {
  align-self: end;
}

.principles {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.principles p {
  padding: 1.15rem 1.15rem 0 0;
}

.principles p + p {
  border-left: 1px solid var(--line);
  padding-left: 1.15rem;
}

.alliance h2 a {
  text-decoration-color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
}

.calendar-section {
  overflow: hidden;
}

.calendar-teaser {
  background:
    linear-gradient(135deg, rgba(12, 35, 63, 0.9), rgba(23, 76, 115, 0.86)),
    var(--blue);
  border-radius: 24px;
  color: var(--white);
  min-height: 240px;
  overflow: hidden;
  padding: 1.25rem;
  position: relative;
}

.calendar-blur {
  filter: blur(4px);
  opacity: 0.58;
  user-select: none;
}

.calendar-row {
  align-items: center;
  border: 1px solid rgba(255, 253, 248, 0.18);
  border-radius: 18px;
  display: grid;
  gap: 1rem;
  grid-template-columns: 0.7fr 1.2fr 0.8fr;
  margin-bottom: 0.75rem;
  padding: 1rem;
}

.calendar-row span,
.calendar-row em {
  color: rgba(255, 253, 248, 0.74);
  font-style: normal;
}

.coming-soon-badge {
  background: var(--white);
  border-radius: 999px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
  color: var(--ink);
  font-weight: 900;
  left: 50%;
  padding: 0.85rem 1.1rem;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}

.form-copy {
  max-width: 700px;
}

.form-section {
  display: block;
}

.interest-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  margin-top: 2rem;
  max-width: 720px;
  padding: 1.35rem;
}

.form-status {
  border-radius: 14px;
  font-weight: 800;
  margin-bottom: 1rem;
  padding: 0;
}

.form-status:not(:empty) {
  padding: 0.85rem 1rem;
}

.form-status.is-success {
  background: rgba(24, 121, 78, 0.1);
  color: var(--success);
}

.form-status.is-error {
  background: rgba(180, 35, 24, 0.1);
  color: var(--danger);
}

.field {
  margin-bottom: 1rem;
}

label,
legend {
  color: var(--ink);
  display: block;
  font-size: 0.9rem;
  font-weight: 900;
  margin-bottom: 0.4rem;
}

input,
textarea {
  background: #fffaf0;
  border: 1px solid rgba(12, 35, 63, 0.22);
  border-radius: 15px;
  color: var(--ink);
  font: inherit;
  padding: 0.85rem 0.95rem;
  width: 100%;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(217, 111, 50, 0.16);
  outline: none;
}

.fieldset {
  border: 0;
  padding: 0;
}

.radio,
.checkbox {
  align-items: flex-start;
  display: flex;
  gap: 0.65rem;
  margin: 0.5rem 0;
}

.radio input,
.checkbox input {
  accent-color: var(--accent);
  flex: 0 0 auto;
  margin-top: 0.25rem;
  width: auto;
}

.checkbox span,
.radio span {
  color: var(--ink-soft);
  font-weight: 700;
}

.field-error {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 800;
  min-height: 1.25rem;
  margin: 0.25rem 0 0;
}

.honeypot {
  height: 0;
  left: -10000px;
  overflow: hidden;
  position: absolute;
  width: 0;
}

.form-button {
  width: 100%;
}

.button-loading {
  display: none;
}

.is-loading .button-label {
  display: none;
}

.is-loading .button-loading {
  display: inline;
}

.form-button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  transform: none;
}

.site-footer {
  align-items: center;
  color: var(--ink-soft);
  display: flex;
  font-size: 0.95rem;
  gap: 1rem;
  justify-content: space-between;
  padding: 28px 0 42px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 800;
}

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

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

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    gap: 1rem;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero,
  .essentials,
  .alliance {
    grid-template-columns: 1fr;
  }

  .hero-content {
    min-height: auto;
  }

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

  .principles p + p {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }
}

@media (max-width: 620px) {
  .design-switcher {
    border-radius: 20px;
    display: block;
    left: 12px;
    right: 12px;
    top: 10px;
    transform: none;
  }

  .design-switcher-label {
    display: none;
  }

  .design-options {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
  }

  .design-options button {
    font-size: 0.64rem;
    line-height: 1.1;
    padding: 0.5rem 0.15rem;
  }

  .site-header {
    display: block;
    padding-top: 84px;
  }

  .nav {
    justify-content: flex-start;
    margin-top: 1rem;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-content,
  .section,
  .interest-form {
    border-radius: 22px;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 20vw, 5rem);
  }

  .button {
    width: 100%;
  }

  .calendar-row {
    grid-template-columns: 1fr;
  }

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

/* Design 02: Signal */

body[data-design="signal"] {
  --bg: #070a0f;
  --bg-strong: #111720;
  --ink: #f5f1e7;
  --ink-soft: #aeb8c5;
  --accent: #ff5b25;
  --accent-dark: #ff7b4d;
  --blue: #111a25;
  --line: rgba(245, 241, 231, 0.16);
  --white: #0d1219;
  --shadow: none;
  background:
    linear-gradient(rgba(255, 91, 37, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 91, 37, 0.05) 1px, transparent 1px),
    #070a0f;
  background-size: 38px 38px;
  color: var(--ink);
}

body[data-design="signal"] .design-switcher {
  background: rgba(13, 18, 25, 0.94);
}

body[data-design="signal"] .site-header,
body[data-design="signal"] .site-footer,
body[data-design="signal"] main {
  width: min(1260px, calc(100% - 40px));
}

body[data-design="signal"] .brand {
  letter-spacing: -0.075em;
}

body[data-design="signal"] .brand-mark {
  background: var(--accent);
  color: #070a0f;
  padding: 0 0.28rem;
  transform: skewX(-8deg);
}

body[data-design="signal"] .brand-word {
  color: var(--ink);
}

body[data-design="signal"] .nav a {
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.65rem 0.85rem;
  text-transform: uppercase;
}

body[data-design="signal"] .hero {
  padding-top: 52px;
}

body[data-design="signal"] .hero-content {
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 91, 37, 0.42), transparent 28%),
    linear-gradient(120deg, #111a25 0 62%, #0a0e14 62%);
  border-color: rgba(255, 91, 37, 0.52);
  border-radius: 6px;
  min-height: 650px;
  overflow: hidden;
  padding: clamp(2.4rem, 7vw, 6rem);
  position: relative;
}

body[data-design="signal"] .hero-content,
body[data-design="signal"] .hero h1 {
  color: var(--ink);
}

body[data-design="signal"] .hero-content::before {
  color: rgba(245, 241, 231, 0.06);
  content: "RETURNING";
  font-size: clamp(5rem, 17vw, 14rem);
  font-weight: 950;
  letter-spacing: -0.09em;
  line-height: 0.7;
  position: absolute;
  right: -0.08em;
  top: 0.08em;
  transform: rotate(90deg) translateX(72%);
  transform-origin: right top;
  white-space: nowrap;
}

body[data-design="signal"] .hero h1 {
  font-size: clamp(5rem, 11vw, 9rem);
  letter-spacing: -0.085em;
  line-height: 0.82;
  max-width: 6ch;
  position: relative;
  text-transform: uppercase;
  z-index: 1;
}

body[data-design="signal"] .hero-copy {
  color: var(--ink-soft);
  max-width: 620px;
  position: relative;
  z-index: 1;
}

body[data-design="signal"] .button {
  border-radius: 3px;
  min-height: 54px;
  text-transform: uppercase;
}

body[data-design="signal"] .button-primary {
  background: var(--accent);
  color: #070a0f;
}

body[data-design="signal"] .section {
  background: rgba(13, 18, 25, 0.88);
  border-radius: 5px;
  box-shadow: none;
  margin: 1rem 0;
}

body[data-design="signal"] .section h2 {
  font-size: clamp(3rem, 7vw, 6.4rem);
  text-transform: uppercase;
}

body[data-design="signal"] .essentials {
  border-left: 6px solid var(--accent);
}

body[data-design="signal"] .principles p {
  color: var(--ink-soft);
}

body[data-design="signal"] .principles strong {
  color: var(--accent);
  display: block;
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

body[data-design="signal"] .alliance {
  background: var(--accent);
  border-color: var(--accent);
}

body[data-design="signal"] .alliance h2,
body[data-design="signal"] .alliance p {
  color: #070a0f;
}

body[data-design="signal"] .alliance h2 a {
  text-decoration-color: #070a0f;
}

body[data-design="signal"] .calendar-teaser {
  background:
    linear-gradient(90deg, rgba(255, 91, 37, 0.16), transparent),
    #080c12;
  border: 1px solid rgba(255, 91, 37, 0.5);
  border-radius: 2px;
}

body[data-design="signal"] .calendar-row,
body[data-design="signal"] .interest-form {
  border-radius: 2px;
}

body[data-design="signal"] .coming-soon-badge {
  background: var(--accent);
  border-radius: 2px;
  color: #070a0f;
  text-transform: uppercase;
}

body[data-design="signal"] .form-section {
  background:
    linear-gradient(135deg, rgba(255, 91, 37, 0.08), transparent 42%),
    rgba(13, 18, 25, 0.92);
}

body[data-design="signal"] .interest-form {
  background: #090d13;
}

body[data-design="signal"] input,
body[data-design="signal"] textarea {
  background: #111720;
  border-color: rgba(245, 241, 231, 0.24);
  color: var(--ink);
}

body[data-design="signal"] .checkbox span,
body[data-design="signal"] .radio span {
  color: var(--ink-soft);
}

/* Design 03: Editorial */

body[data-design="editorial"] {
  --bg: #eee8dc;
  --bg-strong: #ddd4c3;
  --ink: #191714;
  --ink-soft: #5c554b;
  --accent: #d5422c;
  --accent-dark: #a82d20;
  --blue: #24201c;
  --line: rgba(25, 23, 20, 0.25);
  --white: #f8f3e9;
  --shadow: none;
  background:
    radial-gradient(circle at 86% 8%, rgba(213, 66, 44, 0.16), transparent 24rem),
    #eee8dc;
  color: var(--ink);
}

body[data-design="editorial"] .design-switcher {
  background: rgba(248, 243, 233, 0.94);
  border-color: var(--ink);
  border-radius: 0;
  box-shadow: 5px 5px 0 var(--ink);
}

body[data-design="editorial"] .design-options button {
  border-radius: 0;
}

body[data-design="editorial"] .site-header,
body[data-design="editorial"] .site-footer,
body[data-design="editorial"] main {
  width: min(1180px, calc(100% - 40px));
}

body[data-design="editorial"] .brand {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  letter-spacing: -0.065em;
  text-transform: none;
}

body[data-design="editorial"] .brand-mark,
body[data-design="editorial"] .brand-word {
  color: var(--ink);
}

body[data-design="editorial"] .nav a {
  border-bottom: 2px solid var(--accent);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

body[data-design="editorial"] .hero {
  padding-top: 46px;
}

body[data-design="editorial"] .hero-content {
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  border-top: 8px solid var(--ink);
  box-shadow: none;
  color: var(--ink);
  display: grid;
  gap: 1.5rem 3.5rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  min-height: 560px;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

body[data-design="editorial"] .hero h1,
body[data-design="editorial"] .section h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.065em;
}

body[data-design="editorial"] .hero h1 {
  font-size: clamp(5rem, 11vw, 9.5rem);
  grid-row: 1 / span 2;
  line-height: 0.78;
  max-width: 7ch;
}

body[data-design="editorial"] .hero-copy {
  align-self: end;
  border-top: 1px solid var(--ink);
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  margin: 0;
  padding-top: 1.25rem;
}

body[data-design="editorial"] .hero-actions {
  align-self: start;
  margin-top: 0;
}

body[data-design="editorial"] .button {
  border: 1px solid var(--ink);
  border-radius: 0;
  box-shadow: 5px 5px 0 var(--ink);
}

body[data-design="editorial"] .button-primary {
  background: var(--accent);
  color: var(--white);
}

body[data-design="editorial"] .section {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  box-shadow: none;
  margin: 0;
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
}

body[data-design="editorial"] .section h2 {
  font-size: clamp(3.4rem, 7vw, 6.7rem);
  line-height: 0.88;
}

body[data-design="editorial"] .section p {
  font-family: Georgia, "Times New Roman", serif;
}

body[data-design="editorial"] .principles {
  border-color: var(--ink);
}

body[data-design="editorial"] .principles p + p {
  border-color: var(--ink);
}

body[data-design="editorial"] .principles strong {
  color: var(--accent);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

body[data-design="editorial"] .alliance {
  background: var(--ink);
  color: var(--white);
  margin-top: 3.5rem;
  padding-inline: clamp(1.5rem, 4vw, 3.5rem);
}

body[data-design="editorial"] .alliance h2,
body[data-design="editorial"] .alliance p {
  color: var(--white);
}

body[data-design="editorial"] .alliance h2 a {
  text-decoration-color: var(--accent);
}

body[data-design="editorial"] .calendar-teaser {
  background: var(--ink);
  border-radius: 0;
  box-shadow: 12px 12px 0 var(--accent);
}

body[data-design="editorial"] .calendar-row {
  border-radius: 0;
}

body[data-design="editorial"] .coming-soon-badge {
  background: var(--accent);
  border-radius: 0;
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

body[data-design="editorial"] .form-copy {
  max-width: 850px;
}

body[data-design="editorial"] .interest-form {
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 0;
  box-shadow: 10px 10px 0 var(--ink);
}

body[data-design="editorial"] input,
body[data-design="editorial"] textarea {
  background: var(--white);
  border-color: var(--ink);
  border-radius: 0;
}

body[data-design="editorial"] .site-footer {
  border-top: 8px solid var(--ink);
  margin-top: 4rem;
}

@media (max-width: 900px) {
  body[data-design="editorial"] .hero-content {
    display: block;
    min-height: auto;
  }

  body[data-design="editorial"] .hero-copy {
    margin-top: 2rem;
  }

  body[data-design="editorial"] .hero-actions {
    margin-top: 1.5rem;
  }
}

@media (max-width: 620px) {
  body[data-design="signal"] .hero h1 {
    font-size: clamp(3rem, 13vw, 3.3rem);
    letter-spacing: -0.07em;
    line-height: 0.86;
  }
}

/* Design 04: System */

body[data-design="system"] {
  --bg: #e9f3f5;
  --bg-strong: #cfe3e7;
  --ink: #082d37;
  --ink-soft: #456873;
  --accent: #00a8c6;
  --accent-dark: #007a92;
  --blue: #063c49;
  --line: rgba(8, 45, 55, 0.24);
  --white: #f8fdfe;
  --shadow: 0 16px 0 rgba(8, 45, 55, 0.08);
  background:
    linear-gradient(rgba(0, 168, 198, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 168, 198, 0.09) 1px, transparent 1px),
    #e9f3f5;
  background-size: 24px 24px;
  color: var(--ink);
}

body[data-design="system"] .design-switcher {
  background: rgba(248, 253, 254, 0.96);
  border-color: var(--ink);
  border-radius: 7px;
  box-shadow: 4px 4px 0 var(--ink);
}

body[data-design="system"] .design-options button {
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

body[data-design="system"] .site-header,
body[data-design="system"] .site-footer,
body[data-design="system"] main {
  width: min(1200px, calc(100% - 40px));
}

body[data-design="system"] .brand {
  border: 2px solid var(--ink);
  gap: 0;
  letter-spacing: -0.055em;
}

body[data-design="system"] .brand-mark,
body[data-design="system"] .brand-word {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.4rem;
  padding: 0.22rem 0.35rem;
}

body[data-design="system"] .brand-mark {
  background: var(--ink);
  color: var(--white);
}

body[data-design="system"] .nav a {
  border: 1px solid var(--ink);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  padding: 0.6rem 0.75rem;
  text-transform: uppercase;
}

body[data-design="system"] .hero {
  padding-top: 48px;
}

body[data-design="system"] .hero-content {
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(248, 253, 254, 0.11) 50%, transparent 50.2%),
    linear-gradient(rgba(248, 253, 254, 0.08) 1px, transparent 1px),
    var(--blue);
  background-size: 100% 100%, 100% 48px, 100% 100%;
  border: 2px solid var(--ink);
  border-radius: 8px;
  box-shadow: 10px 10px 0 var(--accent);
  display: grid;
  gap: 1.5rem 3rem;
  grid-template-columns: 1.2fr 0.8fr;
  min-height: 590px;
  padding: clamp(2rem, 5vw, 4.5rem);
  position: relative;
}

body[data-design="system"] .hero-content::after {
  border: 1px solid rgba(248, 253, 254, 0.35);
  color: rgba(248, 253, 254, 0.72);
  content: "STATUS: RETURNING";
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 0.75rem;
  position: absolute;
  right: 2rem;
  top: 2rem;
}

body[data-design="system"] .hero h1 {
  align-self: end;
  font-size: clamp(5rem, 10vw, 8.6rem);
  grid-row: 1 / span 2;
  letter-spacing: -0.085em;
  line-height: 0.8;
  max-width: 6ch;
}

body[data-design="system"] .hero-copy {
  align-self: end;
  border-top: 1px solid rgba(248, 253, 254, 0.32);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  margin: 0;
  padding-top: 1rem;
}

body[data-design="system"] .hero-actions {
  align-self: start;
  margin-top: 0;
}

body[data-design="system"] .button {
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
}

body[data-design="system"] .button-primary {
  background: var(--accent);
  color: #021a20;
}

body[data-design="system"] .section {
  background: rgba(248, 253, 254, 0.92);
  border: 2px solid var(--ink);
  border-radius: 8px;
  box-shadow: 8px 8px 0 rgba(8, 45, 55, 0.1);
}

body[data-design="system"] .section h2 {
  font-size: clamp(3rem, 7vw, 6.2rem);
}

body[data-design="system"] .principles strong {
  color: var(--accent-dark);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

body[data-design="system"] .alliance {
  background: var(--ink);
  border-color: var(--ink);
}

body[data-design="system"] .alliance h2,
body[data-design="system"] .alliance p {
  color: var(--white);
}

body[data-design="system"] .calendar-teaser {
  background:
    linear-gradient(rgba(0, 168, 198, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 168, 198, 0.13) 1px, transparent 1px),
    var(--blue);
  background-size: 24px 24px;
  border: 2px solid var(--ink);
  border-radius: 5px;
}

body[data-design="system"] .calendar-row,
body[data-design="system"] .interest-form,
body[data-design="system"] input,
body[data-design="system"] textarea {
  border-radius: 4px;
}

body[data-design="system"] .coming-soon-badge {
  background: var(--accent);
  border: 2px solid var(--ink);
  border-radius: 4px;
  box-shadow: 5px 5px 0 var(--ink);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
}

body[data-design="system"] .interest-form {
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--accent);
}

body[data-design="system"] label,
body[data-design="system"] legend {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
}

body[data-design="system"] input,
body[data-design="system"] textarea {
  background: #eef8fa;
  border-color: var(--ink);
}

/* Design 05: Pulse */

body[data-design="pulse"] {
  --bg: #edf3f7;
  --bg-strong: #d8e5ed;
  --ink: #f8fbfd;
  --ink-soft: #bfd0dc;
  --accent: #e96f2d;
  --accent-dark: #c65018;
  --blue: #0f4164;
  --line: rgba(10, 45, 72, 0.2);
  --white: #123a58;
  --shadow: 0 26px 70px rgba(8, 38, 61, 0.2);
  background:
    linear-gradient(135deg, rgba(233, 111, 45, 0.1), transparent 28rem),
    linear-gradient(180deg, #edf3f7, #e4edf2);
  color: #0a2d48;
}

body[data-design="pulse"] .design-switcher {
  background: rgba(248, 251, 253, 0.96);
  border-color: rgba(10, 45, 72, 0.28);
  box-shadow: 0 12px 34px rgba(8, 38, 61, 0.16);
}

body[data-design="pulse"] .design-options button[aria-pressed="true"] {
  background: var(--accent);
  color: #ffffff;
}

body[data-design="pulse"] .site-header,
body[data-design="pulse"] .site-footer,
body[data-design="pulse"] main {
  width: min(1220px, calc(100% - 40px));
}

body[data-design="pulse"] .site-header {
  padding-top: 42px;
}

body[data-design="pulse"] .brand {
  letter-spacing: -0.08em;
}

body[data-design="pulse"] .brand-mark {
  color: var(--accent);
}

body[data-design="pulse"] .brand-word {
  color: #0a2d48;
}

body[data-design="pulse"] .nav a {
  background: var(--accent);
  border-radius: 999px;
  color: #ffffff;
  padding: 0.65rem 0.95rem;
}

body[data-design="pulse"] .hero {
  padding-top: 48px;
}

body[data-design="pulse"] .hero-content {
  background:
    linear-gradient(132deg, rgba(233, 111, 45, 0.98) 0 2.2%, transparent 2.3%),
    linear-gradient(132deg, #154e75 0 64%, #0a2d48 64%);
  border: 0;
  border-radius: 32px 6px;
  box-shadow: var(--shadow);
  min-height: 650px;
  overflow: hidden;
  padding: clamp(2.5rem, 7vw, 6rem);
  position: relative;
}

body[data-design="pulse"] .hero-content,
body[data-design="pulse"] .hero h1 {
  color: var(--ink);
}

body[data-design="pulse"] .hero-content::after {
  border-left: 1px solid rgba(248, 251, 253, 0.18);
  border-right: 1px solid rgba(248, 251, 253, 0.18);
  content: "";
  height: 100%;
  position: absolute;
  right: 8%;
  top: 0;
  transform: skewX(-18deg);
  width: 22%;
}

body[data-design="pulse"] .hero h1 {
  font-size: clamp(5rem, 11vw, 9.5rem);
  letter-spacing: -0.09em;
  line-height: 0.8;
  max-width: 6ch;
  position: relative;
  text-shadow: none;
  z-index: 1;
}

body[data-design="pulse"] .hero-copy {
  color: var(--ink);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  max-width: 590px;
  position: relative;
  z-index: 1;
}

body[data-design="pulse"] .button {
  border-radius: 999px;
  min-height: 56px;
}

body[data-design="pulse"] .button-primary {
  background: var(--accent);
  box-shadow: 0 12px 28px rgba(5, 29, 47, 0.24);
  color: #ffffff;
}

body[data-design="pulse"] .section {
  background: rgba(248, 251, 253, 0.92);
  border-color: rgba(10, 45, 72, 0.18);
  border-radius: 28px 6px;
  color: #0a2d48;
}

body[data-design="pulse"] .section h2 {
  color: #0a2d48;
  font-size: clamp(3rem, 7vw, 6.3rem);
}

body[data-design="pulse"] .section p {
  color: #456578;
}

body[data-design="pulse"] .principles {
  border-color: rgba(10, 45, 72, 0.18);
}

body[data-design="pulse"] .principles p + p {
  border-color: rgba(10, 45, 72, 0.18);
}

body[data-design="pulse"] .principles strong {
  color: var(--accent);
}

body[data-design="pulse"] .alliance {
  background: #0a2d48;
  color: #ffffff;
}

body[data-design="pulse"] .alliance h2,
body[data-design="pulse"] .alliance p {
  color: #ffffff;
}

body[data-design="pulse"] .alliance h2 a {
  text-decoration-color: var(--accent);
}

body[data-design="pulse"] .calendar-teaser {
  background:
    linear-gradient(132deg, rgba(233, 111, 45, 0.22), transparent 42%),
    linear-gradient(120deg, #0a2d48, #154e75);
  border: 1px solid rgba(10, 45, 72, 0.24);
  border-radius: 24px 5px;
}

body[data-design="pulse"] .coming-soon-badge {
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(5, 29, 47, 0.3);
  color: #ffffff;
}

body[data-design="pulse"] .form-section {
  background:
    linear-gradient(135deg, rgba(233, 111, 45, 0.08), transparent 36%),
    rgba(248, 251, 253, 0.96);
  align-items: start;
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 0.82fr) minmax(430px, 1.18fr);
  padding: clamp(2.4rem, 5vw, 4.25rem);
}

body[data-design="pulse"] .form-copy {
  max-width: 520px;
}

body[data-design="pulse"] .interest-form {
  background: #ffffff;
  border-color: rgba(10, 45, 72, 0.2);
  border-radius: 24px 5px;
  box-shadow: 0 16px 42px rgba(8, 38, 61, 0.12);
  margin-top: 0;
  max-width: none;
  padding: clamp(1.35rem, 3vw, 2rem);
}

body[data-design="pulse"] .field {
  margin-bottom: 1.15rem;
}

body[data-design="pulse"] label,
body[data-design="pulse"] legend {
  color: #0a2d48;
  letter-spacing: 0.01em;
}

body[data-design="pulse"] .fieldset {
  border-top: 1px solid rgba(10, 45, 72, 0.12);
  padding-top: 1rem;
}

body[data-design="pulse"] input,
body[data-design="pulse"] textarea {
  background: #f3f7f9;
  border-color: rgba(10, 45, 72, 0.28);
  color: #0a2d48;
}

body[data-design="pulse"] .checkbox span,
body[data-design="pulse"] .radio span {
  color: #456578;
}

body[data-design="pulse"] .consent-field {
  border-top: 1px solid rgba(10, 45, 72, 0.12);
  margin-top: 1.25rem;
  padding-top: 1.15rem;
}

body[data-design="pulse"] .site-footer {
  color: #456578;
}

body[data-design="pulse"] .site-footer a {
  color: #0a2d48;
}

@media (max-width: 900px) {
  body[data-design="pulse"] .form-section {
    grid-template-columns: 1fr;
  }

  body[data-design="system"] .hero-content {
    display: block;
    min-height: auto;
  }

  body[data-design="system"] .hero h1 {
    margin-top: 3rem;
  }

  body[data-design="system"] .hero-copy {
    margin-top: 2rem;
  }

  body[data-design="system"] .hero-actions {
    margin-top: 1.5rem;
  }
}

@media (max-width: 620px) {
  body[data-design="system"] .hero-content::after {
    right: 1rem;
    top: 1rem;
  }

  body[data-design="system"] .hero h1,
  body[data-design="pulse"] .hero h1 {
    font-size: clamp(3.4rem, 17vw, 4.5rem);
  }

  body[data-design="pulse"] .hero-content {
    border-radius: 24px 5px;
  }
}