/* ============================================================
   Lustrs.com — Closing Letter Site
   Primary: #AD235A | Gold: #EB9605 | Dark: #271C22
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary:   #AD235A;
  --color-gold:      #EB9605;
  --color-dark:      #271C22;
  --color-muted:     #9B9C9F;
  --color-paper:     #FDFAF6;
  --color-border:    #E8E0D5;
  --font-letter:     Georgia, 'Times New Roman', 'Palatino Linotype', serif;
  --font-ui:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-letter:      680px;
  --radius:          4px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background-color: #F0EBE3;
  color: var(--color-dark);
  line-height: 1.6;
  padding-bottom: 42px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---- Header ---- */
.site-header {
  background-color: var(--color-gold);
  padding: 18px 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 3px solid var(--color-primary);
}

.site-logo img {
  height: 52px;
  width: auto;
  display: block;
}

/* ---- Page Wrapper ---- */
.page-wrapper {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ---- Letter Card ---- */
.letter-card {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow:
    0 2px 4px rgba(39,28,34,.06),
    0 8px 24px rgba(39,28,34,.08);
  padding: 64px 72px;
}

@media (max-width: 600px) {
  .letter-card { padding: 36px 28px; }
}

/* ---- Letter Date ---- */
.letter-date {
  font-family: var(--font-ui);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 32px;
}

/* ---- Letter Headline ---- */
.letter-headline {
  font-family: var(--font-letter);
  font-size: 2rem;
  font-weight: normal;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 600px) {
  .letter-headline { font-size: 1.5rem; }
}

/* ---- Letter Body ---- */
.letter-body {
  font-family: var(--font-letter);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-dark);
}

.letter-body .salutation {
  font-size: 1.125rem;
  margin-bottom: 24px;
  display: block;
}

.letter-body p {
  margin-bottom: 20px;
}

.letter-body p:last-of-type {
  margin-bottom: 0;
}

/* ---- Letter Signature ---- */
.letter-signature {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-letter);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-dark);
}

.letter-signature .sign-off {
  display: block;
  margin-bottom: 6px;
}

.letter-signature .team-name {
  font-style: italic;
  color: var(--color-primary);
  font-size: 1.125rem;
}

/* ---- Divider ---- */
.section-divider {
  text-align: center;
  padding: 36px 0 12px;
  color: var(--color-muted);
  font-size: .75rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.section-divider::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
  margin: 0 auto 16px;
  border-radius: 1px;
}

/* ---- Contact Section ---- */
.contact-section {
  margin-top: 12px;
}

.contact-section h2 {
  font-family: var(--font-letter);
  font-size: 1.375rem;
  font-weight: normal;
  color: var(--color-dark);
  margin-bottom: 8px;
  text-align: center;
}

.contact-section .contact-intro {
  text-align: center;
  color: var(--color-muted);
  font-size: .9375rem;
  margin-bottom: 28px;
}

/* ---- Contact Form ---- */
.contact-form {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 2px 4px rgba(39,28,34,.06);
  padding: 40px 48px;
}

@media (max-width: 600px) {
  .contact-form { padding: 28px 22px; }
}

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

@media (max-width: 540px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  margin-bottom: 20px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form-group label .optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-muted);
  font-size: .75rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-ui);
  font-size: .9375rem;
  color: var(--color-dark);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(173,35,90,.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #BDB4AD;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---- Form Status ---- */
.form-status {
  display: none;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .9rem;
  margin-bottom: 20px;
}

.form-status.error {
  display: block;
  background: #fff0f4;
  border: 1px solid #f5c2d0;
  color: #7a1235;
}

.form-status.success {
  display: block;
  background: #f0fbf4;
  border: 1px solid #b8dfc7;
  color: #1a5c35;
}

/* ---- Submit Button ---- */
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-gold);
  border: none;
  border-radius: var(--radius);
  padding: 13px 32px;
  font-family: var(--font-ui);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .15s, transform .1s;
}

.btn-submit:hover {
  background: #8E1C49;
  transform: translateY(-1px);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ---- Footer ---- */
.site-footer {
  background-color: var(--color-gold);
  border-top: 3px solid var(--color-primary);
  padding: 28px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 760px;
  margin: 0 auto;
}

.footer-copy {
  font-size: .8125rem;
  color: rgba(39,28,34,.65);
}

/* ---- 404 Page ---- */
.not-found-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100svh - 180px);
  min-height: calc(100vh - 180px);
  padding: 48px 24px;
  text-align: center;
}

.not-found-code {
  font-size: 6rem;
  font-weight: 800;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 12px;
  font-family: var(--font-ui);
}

.not-found-title {
  font-family: var(--font-letter);
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 12px;
  font-weight: normal;
}

.not-found-text {
  color: var(--color-muted);
  max-width: 360px;
  margin-bottom: 28px;
  font-size: .9375rem;
}

.btn-home {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-gold);
  padding: 11px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9375rem;
  transition: background .15s;
}

.btn-home:hover {
  background: #8E1C49;
  text-decoration: none;
}