:root {
  --lanco-navy-950: #121926;
  --lanco-navy-900: #283044;
  --lanco-navy-800: #33445d;
  --lanco-slate: #52687a;
  --lanco-rust: #a23b1a;
  --lanco-rust-dark: #7c2c13;
  --lanco-gold: #f2c45b;
  --ink: #222223;
  --muted: #5c6773;
  --surface: #ffffff;
  --surface-soft: #f1f4f6;
  --border: #b7c2cc;
  --danger: #a42a20;
  --success: #176a45;
  --shadow: 0 18px 38px rgba(18, 25, 38, 0.13);
  --radius: 0.4rem;
  --page-width: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--surface-soft);
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background: var(--surface-soft);
  font-family: Lato, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 0.2rem solid var(--lanco-gold);
  outline-offset: 0.2rem;
}

.page-width {
  width: min(calc(100% - 2rem), var(--page-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  color: #fff;
  background: var(--lanco-rust);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.utility-bar {
  color: #dbe2eb;
  background: var(--lanco-navy-950);
  font-size: 0.82rem;
}

.utility-bar__content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.4rem;
}

.utility-bar a {
  text-underline-offset: 0.16em;
}

.site-header {
  border-bottom: 0.32rem solid var(--lanco-rust);
  background: var(--lanco-navy-950);
}

.site-header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 6.8rem;
  padding-block: 0.9rem;
}

.site-logo {
  display: inline-flex;
  max-width: min(100%, 26rem);
}

.site-logo img {
  display: block;
  width: 100%;
  max-width: 26rem;
  height: auto;
}

.site-header__project {
  max-width: 15rem;
  margin: 0;
  padding-left: 1.6rem;
  border-left: 1px solid rgba(255, 255, 255, 0.35);
  color: #f2f5f8;
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  line-height: 1.2;
  text-align: right;
  text-transform: uppercase;
}

.project-banner {
  color: #fff;
  background:
    linear-gradient(115deg, rgba(18, 25, 38, 0.97), rgba(40, 48, 68, 0.95)),
    var(--lanco-navy-900);
}

.project-banner__content {
  padding-block: clamp(2.7rem, 7vw, 5.2rem);
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--lanco-gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
legend,
.choice-group__label {
  font-weight: 900;
}

h1 {
  max-width: 50rem;
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.65rem);
  line-height: 1.05;
}

.event-date {
  margin: 1rem 0 0;
  color: #e7edf3;
  font-size: 1.1rem;
  font-weight: 700;
}

.page-content {
  padding-block: clamp(2rem, 5vw, 4.5rem);
}

.intro-card {
  margin-bottom: 1.6rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-left: 0.42rem solid var(--lanco-rust);
  background: #e6edf3;
}

.intro-card h2 {
  margin: 0 0 0.5rem;
  color: var(--lanco-navy-900);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.intro-card p {
  max-width: 66rem;
  margin: 0;
}

.registration-form {
  padding: clamp(1.25rem, 3vw, 2.6rem);
  border: 1px solid #d0d9e0;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.required-note {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.required-note span,
label span[aria-hidden="true"] {
  color: var(--lanco-rust);
  font-weight: 900;
}

.form-status,
.configuration-notice {
  display: none;
  margin-bottom: 1.35rem;
  padding: 0.8rem 0.95rem;
  border-left: 0.32rem solid var(--lanco-slate);
  background: #edf3f7;
  font-weight: 700;
}

.form-status.is-visible,
.configuration-notice.is-visible {
  display: block;
}

.form-status.is-error {
  border-left-color: var(--danger);
  color: #711d17;
  background: #fcebe9;
}

.form-status.is-success {
  border-left-color: var(--success);
  color: #104a31;
  background: #e7f5ed;
}

.configuration-notice {
  border-left-color: #9e6e10;
  color: #5f4100;
  background: #fff4d8;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-section {
  min-width: 0;
  margin: 0;
  padding: 1.8rem 0;
  border: 0;
  border-top: 1px solid #d6dfe6;
}

.form-section:first-of-type {
  padding-top: 0.2rem;
  border-top: 0;
}

.form-section:last-of-type {
  padding-bottom: 1.3rem;
}

legend {
  width: 100%;
  padding: 0 0 0.5rem;
  color: var(--lanco-navy-900);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  line-height: 1.2;
}

.section-intro {
  margin: 0 0 1.1rem;
  color: var(--muted);
}

.form-grid {
  display: grid;
  gap: 1.1rem;
}

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

.form-grid__full {
  grid-column: 1 / -1;
}

.field,
.file-field {
  min-width: 0;
}

label,
.choice-group__label {
  display: block;
  color: #263446;
  font-weight: 700;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="file"] {
  width: 100%;
  min-height: 2.85rem;
  margin-top: 0.38rem;
  padding: 0.66rem 0.72rem;
  border: 1px solid #7a8998;
  border-radius: 0.1rem;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

input[type="file"] {
  padding: 0.46rem;
}

input[type="file"]::file-selector-button {
  margin-right: 0.75rem;
  padding: 0.45rem 0.65rem;
  border: 0;
  border-radius: 0.08rem;
  color: #fff;
  background: var(--lanco-navy-900);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

input:hover,
input:focus {
  border-color: var(--lanco-navy-800);
}

input[aria-invalid="true"] {
  border: 2px solid var(--danger);
}

.field-error {
  min-height: 1.2rem;
  margin: 0.25rem 0 0;
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 700;
}

.field-help {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.choice-group {
  margin-top: 1.55rem;
}

.choice-grid {
  display: grid;
  gap: 0.65rem 1rem;
  margin-top: 0.6rem;
}

.choice-grid--vendor {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

.choice {
  display: flex;
  align-items: flex-start;
  gap: 0.58rem;
  padding: 0.14rem 0;
  color: var(--ink);
  cursor: pointer;
  font-weight: 400;
  line-height: 1.35;
}

.choice input {
  flex: 0 0 auto;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.1rem 0 0;
  accent-color: var(--lanco-rust);
}

.choice--notification {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid #d6dfe6;
  background: #f5f8fa;
  font-weight: 700;
}

.form-section--security {
  background: linear-gradient(90deg, #f4f7f9, #fff);
}

.turnstile-widget {
  min-height: 4.05rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border: 0;
  border-radius: 0.1rem;
  font: inherit;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  transition: background-color 140ms ease, transform 140ms ease;
}

.button--primary {
  color: #fff;
  background: var(--lanco-rust);
}

.button--primary:hover {
  background: var(--lanco-rust-dark);
}

.button--primary:active {
  transform: translateY(1px);
}

.button--primary:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding-top: 1.3rem;
  border-top: 1px solid #d6dfe6;
}

.privacy-note {
  max-width: 35rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer {
  color: #fff;
  background: var(--lanco-navy-900);
}

.site-footer__content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.2rem;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 52rem) {
  .choice-grid--vendor {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 40rem) {
  .page-width {
    width: min(calc(100% - 1.25rem), var(--page-width));
  }

  .site-header__content,
  .utility-bar__content,
  .submit-row,
  .site-footer__content {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header__content {
    gap: 1rem;
    min-height: auto;
  }

  .site-logo {
    max-width: 20rem;
  }

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

  .form-grid--two,
  .choice-grid--packages {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 25rem) {
  .choice-grid--vendor {
    grid-template-columns: 1fr;
  }
}

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

@media print {
  .utility-bar,
  .site-footer,
  .skip-link,
  .submit-row,
  .form-section--security {
    display: none;
  }

  body,
  html {
    background: #fff;
  }

  .registration-form {
    border: 0;
    box-shadow: none;
  }
}