:root {
  color-scheme: dark;
  --background: #101115;
  --surface: #17191f;
  --surface-soft: #1d2027;
  --line: #30333c;
  --text: #f7f7f4;
  --muted: #aeb3bf;
  --gold: #f6b916;
  --gold-soft: rgba(246, 185, 22, 0.12);
  --danger: #ff7b7b;
  --success: #75d69c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 10% 16%, rgba(246, 185, 22, 0.07), transparent 24rem),
    var(--background);
  color: var(--text);
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--gold);
  color: #101115;
  font-size: 13px;
  font-weight: 700;
  transform: translateY(-160%);
}

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

.demo-header,
.demo-main,
.demo-footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  border-bottom: 1px solid var(--line);
}

.demo-brand {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.demo-brand span,
.eyebrow {
  color: var(--gold);
}

.demo-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.demo-header nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.demo-header nav a:hover,
.demo-header nav a:focus-visible {
  color: var(--text);
}

.demo-header .nav-contact {
  padding: 11px 17px;
  border: 1px solid rgba(246, 185, 22, 0.45);
  border-radius: 9px;
  color: var(--gold);
}

.demo-main {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(560px, 1.14fr);
  gap: clamp(48px, 7vw, 100px);
  align-items: center;
  min-height: calc(100vh - 158px);
  padding: 64px 0;
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.demo-intro h1 {
  max-width: 590px;
  margin: 14px 0 20px;
  font-size: clamp(42px, 5.3vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.demo-intro > p:not(.eyebrow) {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.availability-card {
  display: flex;
  align-items: center;
  gap: 15px;
  max-width: 430px;
  margin-top: 32px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.availability-card i {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 10px;
  background: var(--gold-soft);
  color: var(--gold);
  font-size: 19px;
}

.availability-card strong,
.availability-card span {
  display: block;
}

.availability-card strong {
  font-size: 13px;
}

.availability-card span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--gold);
}

.demo-panel {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(23, 25, 31, 0.96);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.form-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 25px;
}

.form-heading span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.form-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 19px 16px;
}

.form-grid label:not(.form-consent) {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 8px;
}

.form-grid label > span {
  color: #d9dbe1;
  font-size: 12px;
  font-weight: 600;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: 0;
  background: var(--surface-soft);
  color: var(--text);
  -webkit-text-fill-color: var(--text);
  caret-color: var(--gold);
  font-size: 14px;
}

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

textarea {
  min-height: 112px;
  padding: 13px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #7e8490;
  -webkit-text-fill-color: #7e8490;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(246, 185, 22, 0.1);
}

input:user-invalid,
select:user-invalid,
textarea:user-invalid {
  border-color: rgba(255, 123, 123, 0.68);
}

label small {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

label .field-error {
  min-height: 14px;
  color: var(--danger);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.form-consent input {
  flex: 0 0 17px;
  width: 17px;
  min-height: 17px;
  margin-top: 2px;
  accent-color: var(--gold);
}

.form-consent span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
}

.form-actions button,
.demo-success button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 0;
  border-radius: 10px;
  background: var(--gold);
  color: #111217;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.form-actions button:hover,
.demo-success button:hover {
  background: #ffc72c;
}

.form-actions button:disabled {
  cursor: wait;
  opacity: 0.65;
}

#demoStatus {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

#demoStatus.error {
  color: var(--danger);
}

#demoStatus.success {
  color: var(--success);
}

.demo-success {
  display: grid;
  min-height: 500px;
  align-content: center;
  justify-items: start;
}

.demo-success[hidden] {
  display: none;
}

.success-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  place-items: center;
  border-radius: 50%;
  background: rgba(117, 214, 156, 0.12);
  color: var(--success);
  font-size: 23px;
}

.demo-success h2 {
  max-width: 480px;
  margin: 12px 0 10px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.demo-success > p:not(.eyebrow) {
  margin: 0 0 28px;
  color: var(--muted);
}

.demo-success button {
  border: 1px solid rgba(246, 185, 22, 0.5);
  background: transparent;
  color: var(--gold);
}

.demo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.demo-footer a {
  color: var(--muted);
  text-underline-offset: 3px;
}

@media (max-width: 940px) {
  .demo-main {
    grid-template-columns: 1fr;
    gap: 44px;
    max-width: 720px;
  }

  .demo-intro h1 {
    max-width: 680px;
  }
}

@media (max-width: 640px) {
  .demo-header,
  .demo-main,
  .demo-footer {
    width: min(100% - 28px, 1180px);
  }

  .demo-header {
    min-height: 70px;
  }

  .demo-header nav {
    gap: 14px;
  }

  .demo-header nav a:first-child,
  .demo-header .nav-contact {
    display: none;
  }

  .demo-main {
    padding: 42px 0 50px;
  }

  .demo-intro h1 {
    margin-top: 10px;
    font-size: clamp(38px, 12vw, 54px);
  }

  .availability-card {
    margin-top: 25px;
  }

  .demo-panel {
    padding: 22px 17px;
    border-radius: 18px;
  }

  .form-heading {
    display: block;
  }

  .form-heading p {
    margin-top: 4px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .form-wide {
    grid-column: auto;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .demo-success {
    min-height: 430px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}