@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,650&family=Sora:wght@400;500;600&display=swap");

:root {
  --ink: #1a2332;
  --ink-muted: #5a6578;
  --paper: #f7f4ef;
  --surface: rgba(255, 255, 255, 0.82);
  --border: #d5d0c8;
  --border-focus: #2f6f6a;
  --accent: #2f6f6a;
  --accent-hover: #245954;
  --accent-soft: rgba(47, 111, 106, 0.12);
  --danger: #a33b3b;
  --danger-soft: rgba(163, 59, 59, 0.1);
  --radius: 12px;
  --shadow: 0 18px 50px rgba(26, 35, 50, 0.12);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  background-color: #dfe8e4;
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, #c5ddd6 0%, transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 0%, #e8d9c4 0%, transparent 50%),
    linear-gradient(165deg, #e7eee9 0%, #d4e0db 45%, #cfd6e0 100%);
  background-attachment: fixed;
}

.page {
  width: min(100% - 2rem, 32rem);
  margin: 0 auto;
  padding: 3.5rem 0 4rem;
}

.page__header {
  margin-bottom: 1.75rem;
}

.page__eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.page__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.25rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
}

.page__lead {
  margin: 0.65rem 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(213, 208, 200, 0.85);
  border-radius: 10px;
}

.tabs__tab {
  flex: 1;
  appearance: none;
  border: none;
  cursor: pointer;
  padding: 0.55rem 0.85rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-muted);
  background: transparent;
  border-radius: 7px;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.tabs__tab:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.tabs__tab.is-active {
  color: var(--ink);
  background: #fff;
}

.tabs__tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tabs__panel {
  display: none;
}

.tabs__panel.is-active {
  display: block;
}

.demo-form {
  padding: 1.35rem 1.5rem 1.5rem;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.demo-form__section {
  margin: 0 0 1.15rem;
  padding: 0;
  border: none;
}

.demo-form__section legend {
  margin: 0 0 0.75rem;
  padding: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--ink);
}

.demo-form__field {
  display: block;
  margin-bottom: 1.1rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-muted);
}

.demo-form__field input,
.demo-form__field select,
.demo-form__field textarea {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.7rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    background-color 0.15s ease;
}

.demo-form__field textarea {
  resize: vertical;
  min-height: 5.5rem;
  line-height: 1.45;
}

.demo-form__field select {
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%),
    linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) calc(50% - 2px),
    calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

.demo-form__field input[type="file"] {
  padding: 0.55rem 0.65rem;
  font-size: 0.82rem;
  cursor: pointer;
}

.demo-form__field input[type="file"]::file-selector-button {
  margin-right: 0.75rem;
  padding: 0.35rem 0.7rem;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.demo-form__field input::placeholder,
.demo-form__field textarea::placeholder {
  color: #9aa3b2;
}

.demo-form__field input:hover,
.demo-form__field select:hover,
.demo-form__field textarea:hover {
  border-color: #b9b3aa;
}

.demo-form__field input:focus,
.demo-form__field select:focus,
.demo-form__field textarea:focus {
  background: #fff;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.demo-form__field.error input,
.demo-form__field.error select,
.demo-form__field.error textarea {
  border-color: var(--danger);
  background: #fff8f8;
  box-shadow: 0 0 0 3px var(--danger-soft);
}

.demo-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.demo-form__group-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.demo-form__choice {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--ink);
  cursor: pointer;
}

.demo-form__choice--block {
  margin-bottom: 0.35rem;
}

.demo-form__choice input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.demo-form__choice.error,
.demo-form__group.error {
  color: var(--danger);
}

.error-message {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--danger);
}

.demo-form__footer {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.35rem;
}

.demo-form__submit {
  appearance: none;
  border: none;
  cursor: pointer;
  padding: 0.72rem 1.35rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  transition:
    background-color 0.15s ease,
    transform 0.12s ease;
}

.demo-form__submit:hover:not(:disabled) {
  background: var(--accent-hover);
}

.demo-form__submit:active:not(:disabled) {
  transform: translateY(1px);
}

.demo-form__submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.demo-form__submit:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.demo-form__indicator {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
}

.demo-form__indicator.hidden {
  display: none;
}

.response {
  margin-top: 1.25rem;
  padding: 0.9rem 1rem;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(213, 208, 200, 0.8);
  border-radius: 8px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 420px) {
  .page {
    padding-top: 2.25rem;
  }

  .demo-form {
    padding: 1.25rem 1.1rem 1.2rem;
  }

  .demo-form__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .demo-form__submit {
    width: 100%;
  }
}


.iti {
  width: 100%;
}