/* ── Design tokens (inherit brand from main site) ─────────────── */
:root {
  --c-ink:        #3f2f26;
  --c-ink-soft:   #6b5044;
  --c-accent:     #9f6a20;
  --c-accent-d:   #733e0e;
  --c-bg:         #fff9f2;
  --c-surface:    #ffffff;
  --c-border:     #e0ccb5;
  --c-border-f:   #9f6a20;
  --c-ok:         #1b7d49;
  --c-ok-bg:      rgba(27, 125, 73, .09);
  --c-err:        #992b2b;
  --c-req:        #8b3a1a;
  --c-gift-bg:    #fdf5eb;
  --radius-card:  1.1rem;
  --radius-field: .55rem;
  --shadow-card:  0 12px 40px rgba(63, 47, 38, .10);
  --grad:         linear-gradient(135deg, #9f6a20, #733e0e);
  --ff-serif:     "Cormorant Garamond", Georgia, serif;
  --ff-sans:      "Manrope", "Segoe UI", sans-serif;
  --nav-h:        56px;
}

/* ── Reset & base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--ff-sans);
  color: var(--c-ink);
  background:
    radial-gradient(circle at 10% 0%,  rgba(159,106,32,.13), transparent 45%),
    radial-gradient(circle at 88% 95%, rgba(115,62,14,.10),  transparent 50%),
    var(--c-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.sys-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,249,242,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}

.sys-nav__logo {
  font-family: var(--ff-serif);
  font-size: 1.35rem;
  font-weight: 600;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.sys-nav__back {
  font-size: .88rem;
  color: var(--c-accent-d);
  text-decoration: none;
}
.sys-nav__back:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────────── */
#main {
  width: min(700px, 100%);
  margin: 0 auto;
  padding: 2rem 1rem 3.5rem;
}

/* ── Page header ──────────────────────────────────────────────── */
.page-header {
  text-align: center;
  padding-bottom: 1.4rem;
}

.page-header__eyebrow {
  margin: 0 0 .35rem;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-header__title {
  margin: 0 0 .6rem;
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.05;
  color: var(--c-ink);
}

.page-header__subtitle {
  margin: 0 auto;
  max-width: 48ch;
  color: var(--c-ink-soft);
  font-size: .97rem;
}

/* ── Form card ────────────────────────────────────────────────── */
.form-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.4rem 1.1rem;
  box-shadow: var(--shadow-card);
}

/* ── Fieldset groups ──────────────────────────────────────────── */
.field-group {
  border: 1px solid var(--c-border);
  border-radius: .8rem;
  padding: .8rem .9rem 1rem;
  margin: 0 0 1.1rem;
  background: var(--c-bg);
}

.field-group__legend {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  padding: 0 .3rem;
  color: var(--c-ink);
}

/* ── Field rows ───────────────────────────────────────────────── */
.field-row {
  margin-top: .8rem;
}
.field-row--two {
  display: grid;
  gap: .8rem;
}

/* ── Individual field ─────────────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.field__label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--c-ink);
}

.optional {
  font-weight: 400;
  color: var(--c-ink-soft);
  font-size: .82rem;
}

.req { color: var(--c-req); }

.field__input {
  width: 100%;
  padding: .72rem .85rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-field);
  background: #fff;
  color: var(--c-ink);
  font: inherit;
  font-size: .95rem;
  transition: border-color .18s, box-shadow .18s;
}

.field__input:focus {
  outline: none;
  border-color: var(--c-border-f);
  box-shadow: 0 0 0 3px rgba(159,106,32,.18);
}

.field__input--textarea {
  resize: vertical;
  min-height: 180px;
}

.field__input--select { cursor: pointer; }

/* ── Radio group (gift toggle) ────────────────────────────────── */
.field-gift-toggle {
  border: 1px dashed var(--c-border);
  border-radius: var(--radius-field);
  padding: .65rem .85rem;
  background: #fff;
}

.field-gift-toggle .field__label,
.field-gift-toggle legend.field__label { font-size: .88rem; font-weight: 600; }

.radio-group {
  display: flex;
  gap: 1.5rem;
  margin-top: .4rem;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .93rem;
  cursor: pointer;
}

.radio-item input[type="radio"] {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--c-accent);
  cursor: pointer;
}

/* ── Gift details ─────────────────────────────────────────────── */
.gift-details {
  margin-top: .8rem;
  padding: .8rem .9rem 1rem;
  border: 1px solid #d9c8b2;
  border-radius: .75rem;
  background: var(--c-gift-bg);
}

/* ── Required note ────────────────────────────────────────────── */
.required-note {
  margin: .3rem 0 .5rem;
  font-size: .83rem;
  color: var(--c-ink-soft);
}

/* ── Error message ────────────────────────────────────────────── */
.form-error {
  min-height: 1.25rem;
  margin: .1rem 0 .7rem;
  color: var(--c-err);
  font-size: .9rem;
}

/* ── Submit button ────────────────────────────────────────────── */
.submit-btn {
  display: block;
  width: 100%;
  padding: 1rem;
  border: 0;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font: 600 1rem/1 var(--ff-sans);
  letter-spacing: .02em;
  cursor: pointer;
  transition: opacity .2s, transform .15s;
}

.submit-btn:hover:not(:disabled) { opacity: .9; transform: translateY(-1px); }
.submit-btn:active:not(:disabled){ transform: translateY(0); }
.submit-btn:disabled              { opacity: .6; cursor: wait; }

/* ── Confirmation box ─────────────────────────────────────────── */
.confirm-box {
  text-align: center;
  padding: 2rem 1rem;
}

.confirm-box__icon {
  font-size: 2.2rem;
  color: var(--c-accent);
  margin-bottom: .6rem;
}

.confirm-box__title {
  font-family: var(--ff-serif);
  font-size: 2rem;
  margin: 0 0 .6rem;
}

.confirm-box__message {
  max-width: 42ch;
  margin: 0 auto 1.2rem;
  color: var(--c-ink-soft);
  line-height: 1.7;
}

.confirm-box__link {
  font-size: .9rem;
  color: var(--c-accent-d);
  text-decoration: none;
}
.confirm-box__link:hover { text-decoration: underline; }

/* ── Dynamic fields container ────────────────────────────────── */
.dynamic-fields {
  margin-top: .3rem;
}

.dyn-intro {
  margin: .8rem 0 .2rem;
  font-size: .9rem;
  color: var(--c-ink-soft);
  padding: .55rem .85rem;
  background: rgba(159,106,32,.07);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 .4rem .4rem 0;
}

.dyn-intro strong { color: var(--c-accent); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (min-width: 540px) {
  #main { padding: 2.5rem 1.4rem 4rem; }
  .form-card { padding: 1.8rem 1.6rem; }
  .field-group { padding: 1rem 1.1rem 1.3rem; }
  .field-row--two { grid-template-columns: 1fr 1fr; }
}