/* ==========================================================================
   Dust Jacket site layout
   ========================================================================== */

/* Header & Nav */

.site-header {
  background-color: var(--color-nav-bar);
  border-bottom: 1px solid var(--color-nav-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 24px;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  color: var(--color-emerald);
}

/* Home page */

.home-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 64px 28px 48px;
}

.home-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 8vw, 38px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-top: 0;
  margin-bottom: 18px;
}

.icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(37, 96, 80, 0.20), 0 0 0 1px var(--color-border);
  margin-bottom: 32px;
}

.rule {
  width: 28px;
  height: 1px;
  background: var(--color-emerald);
  opacity: 0.45;
  margin-bottom: 16px;
}

.tagline {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  letter-spacing: 0.01em;
}

.description {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 360px;
}

/* Buttons */

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-emerald);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 26px;
  border-radius: 13px;
  transition: opacity 0.15s ease;
  margin-bottom: 48px;
  white-space: nowrap;
}

.cta:hover  { opacity: 0.82; }
.cta:active { opacity: 0.70; }

@media (prefers-reduced-motion: reduce) {
  .cta { transition: none; }
}

/* Content pages (Privacy, Contact) */

.content-page {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.prose h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.last-updated {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin: 0 0 40px;
}

.prose p,
.prose li {
  color: var(--color-text-secondary);
  margin: 0 0 16px;
}

.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin: 40px 0 12px;
}

.prose a {
  color: var(--color-emerald);
  text-decoration: none;
}

.prose a:hover {
  text-decoration: underline;
}

/* Contact form */

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form {
  margin-top: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.field-optional {
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.form-group input,
.form-group select,
.form-group textarea {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 11px 14px;
  transition: border-color 0.15s ease;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239A8E82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  .form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239B92A0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  }
}

.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
  border-color: var(--color-emerald);
}

.form-group textarea {
  min-height: 144px;
  line-height: 1.6;
}

.form-submit {
  appearance: none;
  background: var(--color-emerald);
  border: none;
  border-radius: 13px;
  color: #fff;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-top: 8px;
  padding: 14px 26px;
  transition: opacity 0.15s ease;
  width: 100%;
}

.form-submit:hover  { opacity: 0.82; }
.form-submit:active { opacity: 0.70; }

@media (prefers-reduced-motion: reduce) {
  .form-group input,
  .form-group select,
  .form-group textarea,
  .form-submit { transition: none; }
}

/* Confirmation page */

.confirmation {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 24px;
}

.confirmation-icon {
  color: var(--color-emerald);
  margin-bottom: 28px;
}

.confirmation h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.confirmation p {
  color: var(--color-text-secondary);
  margin: 0 0 32px;
}

.confirmation-back {
  font-size: 0.875rem;
  color: var(--color-emerald);
  text-decoration: none;
}

.confirmation-back:hover {
  text-decoration: underline;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 24px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 12px;
}

.footer-nav a {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-decoration: none;
}

.copyright {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin: 0;
}