/* ─── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --bg:           #F6F4EF;
  --surface:      #FFFFFF;
  --text:         #18170F;
  --text-muted:   #857F77;
  --accent:       #8C7355;
  --border:       #E5E1DA;
  --error:        #A5302A;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --nav-h:        64px;
  --max-w:        720px;
  --max-w-wide:   1080px;

  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --dur:          240ms;
}

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 300;
  min-height: 100dvh;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; }
ul { list-style: none; }

/* ─── Typography ─────────────────────────────────────────────────────────── */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.01em;
}

.label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ─── Layout helpers ─────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.container--wide {
  max-width: var(--max-w-wide);
}

/* ─── Navigation ─────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 2rem;
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

.nav-rsvp {
  color: var(--text) !important;
  border: 1px solid var(--text);
  padding: 6px 16px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease) !important;
}
.nav-rsvp::after { display: none !important; }
.nav-rsvp:hover {
  background: var(--text) !important;
  color: var(--bg) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text);
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  margin-top: 8rem;
  padding-block: 2.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer p {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 36px;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover {
  background: transparent;
  color: var(--text);
}
.btn--outline {
  background: transparent;
  color: var(--text);
}
.btn--outline:hover {
  background: var(--text);
  color: var(--bg);
}

/* ─── Entry / Lock page ──────────────────────────────────────────────────── */
.entry-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.entry-monogram {
  font-family: var(--font-display);
  font-size: clamp(4rem, 14vw, 8rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--text);
  margin-bottom: 1rem;
  animation: fadeUp 0.8s var(--ease) both;
}

.entry-date {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 3.5rem;
  animation: fadeUp 0.8s 0.1s var(--ease) both;
}

.entry-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  animation: fadeUp 0.8s 0.2s var(--ease) both;
}

.entry-form .label {
  margin-bottom: 0.5rem;
}

.entry-input {
  background: none;
  border: none;
  border-bottom: 1px solid var(--text);
  width: 220px;
  padding: 10px 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
  color: var(--text);
  outline: none;
  transition: border-color var(--dur) var(--ease);
}
.entry-input::placeholder { color: var(--text-muted); letter-spacing: 0.1em; }
.entry-input:focus { border-color: var(--accent); }

.entry-error {
  font-size: 0.78rem;
  color: var(--error);
  min-height: 1.2em;
  letter-spacing: 0.03em;
}

/* ─── Page header ────────────────────────────────────────────────────────── */
.page-header {
  padding-block: 5rem 3.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}

.page-header .label { margin-bottom: 1rem; }

.page-title {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 300;
  color: var(--text);
}

/* ─── Home hero ──────────────────────────────────────────────────────────── */
.hero {
  min-height: calc(100dvh - var(--nav-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
  gap: 0;
}

.hero-names {
  font-family: var(--font-display);
  font-size: clamp(5rem, 15vw, 11rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--text);
  animation: fadeUp 0.9s var(--ease) both;
}

.hero-amp {
  font-style: italic;
  color: var(--accent);
}

.hero-rule {
  width: 1px;
  height: 60px;
  background: var(--border);
  margin: 2.5rem auto;
  animation: fadeUp 0.9s 0.1s var(--ease) both;
}

.hero-dates {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  justify-content: center;
  animation: fadeUp 0.9s 0.15s var(--ease) both;
}

.hero-date {
  text-align: center;
}

.hero-date-day {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 300;
  line-height: 1;
  color: var(--text);
}

.hero-date-label {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.hero-date-venue {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.hero-divider {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--border);
  align-self: center;
}

.hero-cta {
  margin-top: 3.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.9s 0.25s var(--ease) both;
}

/* ─── Events ─────────────────────────────────────────────────────────────── */
.event {
  padding-block: 4rem;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.event:last-child { border-bottom: none; }

.event-number {
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 300;
  line-height: 1;
  color: var(--border);
  margin-bottom: -0.5rem;
}

.event-date-text {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.event-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.event-venue {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.event-venue strong {
  display: block;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.1rem;
}

.event-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.75rem;
}

.event-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: color var(--dur), border-color var(--dur);
}
.event-link:hover { color: var(--accent); border-color: var(--accent); }

/* ─── Travel ─────────────────────────────────────────────────────────────── */
.venue-block {
  padding-block: 3.5rem;
  border-bottom: 1px solid var(--border);
}
.venue-block:last-child { border-bottom: none; }

.venue-block h2 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin-bottom: 0.5rem;
}

.venue-address {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.travel-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.travel-option h3 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.travel-option p {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.55;
}

/* ─── RSVP form ──────────────────────────────────────────────────────────── */
.rsvp-intro {
  margin-bottom: 3rem;
}

.rsvp-intro p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 480px;
}

.form-group {
  margin-bottom: 2.5rem;
}

.form-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.form-input,
.form-textarea {
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  color: var(--text);
  outline: none;
  transition: border-color var(--dur) var(--ease);
  border-radius: 0;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--border); }
.form-input:focus,
.form-textarea:focus { border-color: var(--text); }

.form-textarea {
  resize: none;
  min-height: 80px;
}

.form-input[readonly] {
  color: var(--text-muted);
  cursor: default;
}

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

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--text-muted);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  cursor: pointer;
  transition: border-color var(--dur);
}
.radio-label input[type="radio"]:checked {
  border-color: var(--text);
}
.radio-label input[type="radio"]::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--text);
  opacity: 0;
  transition: opacity var(--dur);
}
.radio-label input[type="radio"]:checked::after { opacity: 1; }

.form-submit {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.form-status {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.form-status.success { color: var(--accent); }
.form-status.error { color: var(--error); }

/* ─── Placeholder sections ───────────────────────────────────────────────── */
.placeholder-block {
  padding-block: 5rem;
  text-align: center;
}

.placeholder-block .display {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.placeholder-block p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ─── Animations ─────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .event {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-dates {
    flex-direction: column;
    gap: 2rem;
    align-items: center;
  }
  .hero-divider { display: none; }

  .hero-cta { flex-direction: column; align-items: center; }

  .radio-group { flex-direction: column; gap: 1rem; }
}

@media (max-width: 480px) {
  .nav { padding-inline: 1.25rem; }
  .page-header { padding-block: 3rem 2.5rem; }
}