:root {
  --ink: #071746;
  --muted: #65749a;
  --line: rgba(75, 101, 158, 0.16);
  --blue: #2d6bff;
  --cyan: #08c9df;
  --violet: #7058ff;
  --green: #18ba80;
  --shadow: 0 24px 70px rgba(44, 78, 152, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 82% 14%, rgba(112, 88, 255, 0.1), transparent 23%),
    radial-gradient(circle at 18% 88%, rgba(8, 201, 223, 0.08), transparent 25%),
    linear-gradient(180deg, #fbfdff 0%, #f6faff 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

:where(a, button, input, textarea):focus-visible {
  outline: 3px solid rgba(45, 107, 255, 0.5);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 11px 16px;
  border-radius: 12px;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  background: var(--ink);
  box-shadow: var(--shadow);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.demo-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand,
.brand img {
  display: block;
  width: 172px;
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #27365e;
  font-size: 14px;
  font-weight: 800;
}

.text-link,
.contact-link {
  transition: color 160ms ease;
}

.text-link:hover,
.contact-link:hover {
  color: var(--blue);
}

.contact-link {
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(460px, 1.12fr);
  align-items: center;
  gap: 76px;
  min-height: calc(100vh - 160px);
  padding: 70px 28px 54px;
}

.demo-intro {
  max-width: 470px;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 22px;
  padding: 9px 14px;
  border: 1px solid rgba(111, 91, 255, 0.14);
  border-radius: 999px;
  color: #7058c9;
  font-size: 12px;
  font-weight: 800;
  background: rgba(244, 242, 255, 0.9);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 500px;
  margin-bottom: 24px;
  font-size: clamp(38px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
  font-weight: 900;
}

.intro-copy {
  max-width: 460px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 600;
}

.session-outline {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.session-outline > p {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.session-outline ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.session-outline li {
  position: relative;
  padding-left: 25px;
  color: #53628b;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 650;
}

.session-outline li::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 10px;
  height: 10px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 0 1px rgba(45, 107, 255, 0.2);
}

.intro-note {
  margin: 26px 0 0;
  color: #7a88aa;
  font-size: 13px;
  line-height: 1.5;
  font-weight: 700;
}

.form-panel {
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 252, 255, 0.84)),
    radial-gradient(circle at 80% 15%, rgba(93, 127, 255, 0.12), transparent 32%);
  box-shadow: var(--shadow);
}

.form-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.form-heading p {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
}

.form-heading span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  font-weight: 700;
  text-align: right;
}

form {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

#demo-form[hidden] {
  display: none;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: #27365e;
  font-size: 13px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(75, 101, 158, 0.2);
  border-radius: 10px;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.88);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

input,
select {
  min-height: 48px;
  padding: 0 13px;
}

textarea {
  min-height: 86px;
  padding: 13px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(45, 107, 255, 0.72);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(45, 107, 255, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: #98a4c2;
}

.field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field-status {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 800;
}

.field-status.required {
  color: #53628b;
}

.field-status.optional {
  color: #8b98b7;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #637194;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 650;
}

.consent input {
  width: 16px;
  min-width: 16px;
  min-height: 16px;
  margin-top: 1px;
  accent-color: var(--blue);
}

.consent a,
.collection-note a {
  color: #3652cd;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.consent .field-status {
  margin-left: 4px;
}

.collection-note {
  margin: -4px 0 0;
  color: #7886a7;
  font-size: 11px;
  line-height: 1.5;
  font-weight: 650;
}

.form-error {
  margin: 0;
  color: #c53b51;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.5;
}

.submit-button,
.home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  background: linear-gradient(135deg, #69a2ff, #3e42f5 82%);
  box-shadow: 0 14px 30px rgba(63, 87, 239, 0.28);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.submit-button:hover,
.home-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(63, 87, 239, 0.33);
}

.submit-button span {
  margin-left: 14px;
}

.success-panel {
  min-height: 510px;
  padding: 90px 34px 44px;
  text-align: center;
}

.success-mark {
  display: inline-grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 30px rgba(45, 107, 255, 0.25);
}

.success-kicker {
  margin-bottom: 12px;
  color: #5b67c8;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.success-panel h2 {
  margin-bottom: 18px;
  font-size: 32px;
  line-height: 1.12;
  font-weight: 900;
}

.success-panel p:not(.success-kicker) {
  max-width: 390px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 600;
}

.home-button {
  min-width: 200px;
}

@media (max-width: 860px) {
  .demo-shell {
    width: min(100% - 40px, 640px);
    padding-top: 28px;
  }

  .demo-layout {
    grid-template-columns: 1fr;
    gap: 42px;
    min-height: auto;
    padding: 64px 0 38px;
  }

  .demo-intro {
    max-width: none;
    text-align: center;
  }

  .intro-copy {
    margin-left: auto;
    margin-right: auto;
  }

  .session-outline {
    max-width: 520px;
    margin: 0 auto;
    text-align: left;
  }
}

@media (max-width: 560px) {
  .demo-shell {
    width: 100%;
    padding: 18px 16px 42px;
  }

  .brand,
  .brand img {
    width: 146px;
    height: 41px;
  }

  .header-actions {
    gap: 12px;
    font-size: 12px;
  }

  .contact-link {
    padding: 9px 12px;
  }

  .demo-layout {
    gap: 34px;
    padding: 46px 0 22px;
  }

  h1 {
    font-size: 36px;
  }

  .intro-copy {
    font-size: 15px;
  }

  .form-panel {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .form-heading {
    display: grid;
    gap: 8px;
  }

  .form-heading span {
    text-align: left;
  }

  .field-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .submit-button {
    width: 100%;
  }

  .success-panel {
    min-height: 430px;
    padding: 70px 4px 30px;
  }
}