:root {
  color-scheme: dark;

  --color-bg: #0b1020;
  --color-surface: #121a31;
  --color-surface-strong: #182440;
  --color-surface-muted: rgba(255, 255, 255, 0.055);
  --color-text: #f7f8ff;
  --color-text-muted: #b8c0d9;
  --color-accent: #7c9cff;
  --color-accent-alt: #9b7cff;
  --color-accent-strong: #a7f3d0;
  --color-button-primary-bg: #4c5fd3;
  --color-button-primary-bg-alt: #6346c8;
  --color-button-primary-text: #ffffff;
  --color-danger-soft: #3b1f2a;
  --color-danger-border: #ff8fab;
  --color-danger-text: #ffd5df;
  --color-field-bg: #090e1c;
  --color-form-error: #ffb4c8;
  --color-border: rgba(255, 255, 255, 0.16);
  --color-focus-ring: rgba(167, 243, 208, 0.52);
  --color-focus-ring-soft: rgba(167, 243, 208, 0.22);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-14: 3.5rem;

  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 28px;
  --radius-pill: 999px;

  --font-family-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-eyebrow: 0.82rem;
  --font-size-body-lg: clamp(1.1rem, 2vw, 1.35rem);
  --font-size-h1: clamp(2.55rem, 7vw, 5.05rem);
  --font-size-h2: clamp(2rem, 4vw, 3.4rem);
  --font-size-h3: clamp(1.18rem, 2vw, 1.25rem);
  --font-size-h1-mobile: clamp(2.4rem, 15vw, 2.65rem);
  --line-tight: 1.05;
  --line-body: 1.6;

  --shadow-panel: 0 24px 80px rgba(0, 0, 0, 0.35);
  --shadow-logo: 0 16px 48px rgba(0, 0, 0, 0.32);

  --bg: var(--color-bg);
  --panel: var(--color-surface);
  --panel-strong: var(--color-surface-strong);
  --text: var(--color-text);
  --muted: var(--color-text-muted);
  --accent: var(--color-accent);
  --accent-strong: var(--color-accent-strong);
  --danger-soft: var(--color-danger-soft);
  --danger-border: var(--color-danger-border);
  --border: var(--color-border);
  --shadow: var(--shadow-panel);

  font-family: var(--font-family-sans);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(124, 156, 255, 0.28), transparent 28rem),
    radial-gradient(circle at top right, rgba(167, 243, 208, 0.18), transparent 24rem),
    var(--bg);
  color: var(--text);
}

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

.skip-link {
  left: 1rem;
  position: absolute;
  top: -5rem;
  z-index: 20;
}

.skip-link:focus {
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text);
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
  padding: var(--space-3) var(--space-4);
  top: 1rem;
}

main {
  margin: 0 auto;
  max-width: 1180px;
  padding: var(--space-8);
}

.hero {
  align-items: center;
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.85fr);
  min-height: 66vh;
  padding: 4rem 0;
}

.surface-card,
.hero__copy,
.section,
.status-card {
  background: rgba(18, 26, 49, 0.78);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow);
}

.hero__copy {
  padding: clamp(1.8rem, 5vw, 3.7rem);
}

.hero__lead {
  color: var(--muted);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-body);
  max-width: 46rem;
}

.brand-lockup {
  align-items: center;
  display: flex;
  gap: var(--space-4);
  margin-bottom: 1.5rem;
}

.brand-lockup__logo {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  display: block;
  height: clamp(4.5rem, 8vw, 6rem);
  object-fit: contain;
  width: clamp(4.5rem, 8vw, 6rem);
}

.brand-lockup__name {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 0.35rem;
}

.brand-lockup .eyebrow {
  margin-bottom: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-8) 0 var(--space-4);
}

.hero__note,
.field-help,
.form-status,
.request-panel__intro p {
  color: var(--muted);
}

.status-card {
  padding: var(--space-8);
}

.status-card ul,
.steps {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.status-card li,
.steps li {
  margin-bottom: 0.85rem;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: var(--font-size-eyebrow);
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 0.9rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: var(--line-tight);
  margin: 0;
}

h1 {
  font-size: var(--font-size-h1);
  letter-spacing: -0.052em;
}

h2 {
  font-size: var(--font-size-h2);
  letter-spacing: -0.045em;
}

h3,
.card-title {
  font-size: var(--font-size-h3);
  margin-bottom: 0.65rem;
}

.card-title {
  letter-spacing: -0.035em;
  line-height: 1.1;
}

p {
  line-height: var(--line-body);
}

.button {
  align-items: center;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  padding: 0.95rem 1.4rem;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
  transform: translateY(-1px);
}

.button--primary {
  background: linear-gradient(135deg, var(--color-button-primary-bg), var(--color-button-primary-bg-alt));
  color: var(--color-button-primary-text);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
}

.section {
  margin: var(--space-8) 0;
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

.section--split {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.feature-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--space-8);
}

.section-cta {
  margin: var(--space-8) 0 0;
}

.feature-card,
.surface-card--subtle {
  background: var(--color-surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.feature-grid p {
  color: var(--muted);
  margin-bottom: 0;
}

.request-panel {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

.notice {
  border-radius: var(--radius-md);
  line-height: 1.55;
  margin-top: 1.5rem;
  padding: var(--space-4);
}

.notice--danger,
.privacy-notice {
  background: var(--danger-soft);
  border: 1px solid var(--danger-border);
  color: var(--color-danger-text);
}

.form-panel,
.request-form {
  background: var(--color-surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: grid;
  gap: var(--space-5);
  margin: 0 auto;
  max-width: 56rem;
  padding: clamp(1rem, 4vw, 2rem);
  width: 100%;
}

.form-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-row {
  display: grid;
  gap: 0.45rem;
}

.conditional-detail-row[hidden] {
  display: none;
}

.choice-group,
.checkbox-group {
  background: rgba(9, 14, 28, 0.2);
  border: 1px solid rgba(167, 243, 208, 0.16);
  border-radius: var(--radius-lg);
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: var(--space-5);
}

.choice-group legend,
.checkbox-group legend {
  font-weight: 800;
  padding: 0 0.35rem;
}

.event-plan-section {
  gap: var(--space-4);
}

.radio-options {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
}

.radio-row {
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  gap: 0.65rem;
  min-height: 3.3rem;
  padding: 0.75rem 0.85rem;
}

.radio-row:has(input:checked) {
  background: rgba(167, 243, 208, 0.12);
  border-color: rgba(167, 243, 208, 0.46);
  color: var(--accent-strong);
}

label {
  font-weight: 750;
}

input,
select,
textarea {
  background: var(--color-field-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  min-height: 3rem;
  padding: 0.8rem 0.9rem;
  width: 100%;
}

textarea {
  resize: vertical;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--accent-strong);
  flex: 0 0 auto;
  min-height: auto;
  width: auto;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-strong);
  outline: 3px solid var(--color-focus-ring-soft);
}

.checkbox-row {
  align-items: flex-start;
  display: flex;
  gap: 0.75rem;
}

.checkbox-row input {
  margin-top: 0.2rem;
  min-height: auto;
  width: auto;
}

.form-status {
  margin: 0;
  min-height: 1.6rem;
}

.form-status[data-state="success"] {
  color: var(--accent-strong);
}

.form-status[data-state="error"] {
  color: var(--color-form-error);
}

@media (max-width: 900px) {
  main {
    padding: 1rem;
  }

  .hero,
  .section--split,
  .request-panel {
    grid-template-columns: 1fr;
  }

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

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: var(--font-size-h1-mobile);
    letter-spacing: -0.045em;
  }

  .hero__copy {
    padding: var(--space-8) var(--space-6);
  }

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

/* Premium PartyBoard visual system */
.brand-mark {
  align-items: center;
  background: var(--color-surface-strong);
  border: 1px solid rgba(167, 243, 208, 0.38);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  display: inline-flex;
  height: clamp(3.25rem, 6vw, 4.25rem);
  justify-content: center;
  overflow: hidden;
  width: clamp(3.25rem, 6vw, 4.25rem);
}

.brand-mark img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.product-preview {
  background:
    linear-gradient(180deg, rgba(24, 36, 64, 0.96), rgba(18, 26, 49, 0.86)),
    repeating-linear-gradient(90deg, transparent 0 3.75rem, rgba(255, 255, 255, 0.04) 3.75rem 3.82rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow);
  display: grid;
  gap: var(--space-4);
  overflow: visible;
  padding: var(--space-6);
  position: relative;
}

.product-preview::before {
  background: radial-gradient(circle, rgba(167, 243, 208, 0.16), transparent 68%);
  content: "";
  height: 10rem;
  opacity: 0.9;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: 0;
  width: 10rem;
}

.product-preview > * {
  position: relative;
}

.product-preview__header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.product-preview__avatar {
  border-radius: var(--radius-md);
  height: 3rem;
  width: 3rem;
}

.product-preview__label,
.event-card__kicker {
  color: var(--accent-strong);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin: 0 0 0.3rem;
  text-transform: uppercase;
}

.event-card {
  align-items: center;
  background: rgba(9, 14, 28, 0.76);
  border: 1px solid rgba(167, 243, 208, 0.2);
  border-radius: var(--radius-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  padding: var(--space-5);
}

.event-card h3 {
  font-size: 1.35rem;
}

.event-card__badge,
.timeline-note,
.access-pills li {
  background: rgba(167, 243, 208, 0.12);
  border: 1px solid rgba(167, 243, 208, 0.22);
  border-radius: var(--radius-pill);
  color: var(--accent-strong);
  font-weight: 800;
  padding: 0.45rem 0.75rem;
  white-space: normal;
}

.roster-board {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.roster-board div {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: grid;
  gap: 0.45rem;
  min-width: 0;
  padding: var(--space-4);
}

.roster-board span {
  color: var(--muted);
  font-size: 0.82rem;
}

.roster-board strong {
  font-size: 1.45rem;
}

.access-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-icon {
  align-items: center;
  background: rgba(167, 243, 208, 0.12);
  border: 1px solid rgba(167, 243, 208, 0.22);
  border-radius: var(--radius-md);
  color: var(--accent-strong);
  display: inline-flex;
  font-size: 1.25rem;
  font-weight: 900;
  height: 2.5rem;
  justify-content: center;
  margin-bottom: var(--space-4);
  width: 2.5rem;
}

.form-section-label {
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin-bottom: -0.15rem;
  margin-top: var(--space-2);
  text-transform: uppercase;
}

.form-row--secondary {
  opacity: 0.88;
}

.request-panel {
  align-items: start;
}

.request-panel__intro {
  display: grid;
  gap: var(--space-4);
}

@media (max-width: 1180px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .brand-lockup {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-lockup .eyebrow {
    letter-spacing: 0.1em;
  }

  .hero__actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .event-card,
  .product-preview__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .roster-board {
    grid-template-columns: 1fr;
  }
}


/* Final responsive safety overrides */
@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .feature-grid,
  .form-grid,
  .radio-options,
  .roster-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .product-preview {
    padding: var(--space-4);
  }

  .access-pills,
  .event-card {
    align-items: stretch;
    display: grid;
  }
}


/* Request-form visual QA refinements */
@media (max-width: 640px) {
  .choice-group,
  .checkbox-group {
    padding: var(--space-4);
  }

  .radio-row {
    min-height: 3rem;
  }
}

/* Visual QA layout refinements */
@media (min-width: 1024px) {
  .request-panel {
    align-items: start;
    grid-template-columns: minmax(15rem, 0.45fr) minmax(0, 1.25fr);
  }

  .request-panel__intro {
    position: sticky;
    top: var(--space-8);
  }

  .request-form {
    margin: 0;
    max-width: none;
  }
}

.radio-options--count {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.radio-options--short {
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
}

.radio-options--long {
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
}

.radio-row:focus-within,
.checkbox-row:focus-within {
  border-color: var(--accent-strong);
  outline: 3px solid var(--color-focus-ring-soft);
  outline-offset: 2px;
}

.site-footer {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: var(--line-body);
  margin: var(--space-10) auto 0;
  max-width: 72rem;
  text-align: center;
}

.site-footer strong {
  color: var(--text);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: var(--space-4);
}

.site-footer__links a {
  color: var(--accent-strong);
  text-decoration: none;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 767px) {
  .radio-options--count {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .radio-options--count .radio-row:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 420px) {
  .radio-options--short,
  .radio-options--long {
    grid-template-columns: 1fr;
  }
}