/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
  --cream:      #eae7df;
  --cream-dark: #dedad0;
  --green:      #3c6026;
  --green-mid:  #3c6026;
  --green-light:#3c6026;
  --ink:        #2a2a22;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-hand:  'Nanum Pen Script', cursive;
  --font-sans:  'Jost', sans-serif;
  --topbar-h:   44px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  min-height: 100vh;
}

/* ============================================
   TOP BAR
   ============================================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--topbar-h);
  background-color: var(--cream);
  border-bottom: 1px solid rgba(61, 92, 53, 0.18);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 24px;
  z-index: 100;
}

.lang-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--green-mid);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 3px;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:hover {
  background: rgba(61, 92, 53, 0.08);
}

.lang-btn.active {
  color: var(--cream);
  background-color: var(--green);
  font-weight: 400;
}

.lang-sep {
  color: var(--green-light);
  font-size: 11px;
  opacity: 0.5;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  padding-top: var(--topbar-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-left: 24px;
  padding-right: 24px;
  gap: 0;
}

.date {
  font-family: var(--font-hand);
  font-size: clamp(20px, 5vw, 28px);
  color: var(--green-mid);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.9s 0.2s ease forwards;
}

.names-svg-wrap {
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.9s 0.4s ease forwards;
}

.names-svg {
  width: clamp(240px, 60vw, 400px);
  height: auto;
  display: block;
}

.illustration-wrap {
  width: clamp(220px, 55vw, 380px);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.9s 0.65s ease forwards;
}

.illustration {
  width: 100%;
  height: auto;
  filter: brightness(0) saturate(100%) invert(27%) sepia(50%) saturate(600%) hue-rotate(61deg) brightness(0.85);
  display: block;
}

.tagline {
  font-family: var(--font-hand);
  font-size: clamp(24px, 6vw, 34px);
  color: var(--green-mid);
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeUp 0.9s 0.85s ease forwards;
}

.cta-btn {
  display: inline-block;
  background-color: var(--green);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 32px;
  border: 1.5px solid var(--green);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
  opacity: 0;
  animation: fadeUp 0.9s 1.05s ease forwards;
}

.cta-btn:hover {
  background-color: transparent;
  color: var(--green);
}


/* ============================================
   MESSAGE SECTION
   ============================================ */
.message-section {
  background-color: var(--cream);
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}

.message-top,
.message-bottom {
  font-family: var(--font-hand);
  font-size: clamp(22px, 5.5vw, 36px);
  color: var(--green);
  line-height: 1.4;
  max-width: 560px;
}

.angel-wrap {
  margin: 40px 0;
}

.angel {
  width: clamp(120px, 30vw, 200px);
  height: auto;
  display: block;
}

/* ============================================
   RSVP SECTION
   ============================================ */
.rsvp-section {
  background-color: var(--cream-dark);
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.rsvp-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(32px, 7vw, 52px);
  color: var(--green);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  font-style: italic;
}

.rsvp-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  color: var(--green-mid);
  letter-spacing: 0.05em;
  margin-bottom: 48px;
}

.rsvp-sub strong {
  font-weight: 400;
}

/* Form */
.rsvp-form {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(61, 92, 53, 0.4);
  padding: 18px 0 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
}

.form-group label {
  position: absolute;
  top: 18px;
  left: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--green-mid);
  text-transform: uppercase;
  pointer-events: none;
  transition: top 0.2s, font-size 0.2s, opacity 0.2s;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: 2px;
  font-size: 10px;
  opacity: 0.7;
}

/* Radio */
.attendance-group {
  text-align: left;
}

.attendance-q {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 12px;
}

.radio-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 300;
  color: var(--ink);
}

.radio-label input[type="radio"] {
  accent-color: var(--green);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Submit button */
.submit-btn {
  border: none;
  margin-top: 12px;
  animation: none;
  opacity: 1;
}

/* Confirm message */
.rsvp-confirm {
  font-family: var(--font-hand);
  font-size: 22px;
  color: var(--green);
  margin-top: 24px;
}

.hidden {
  display: none;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--green);
  color: rgba(234, 231, 223, 0.6);
  text-align: center;
  padding: 20px 24px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   RESPONSIVE – MOBILE
   ============================================ */
@media (max-width: 480px) {
  .topbar {
    justify-content: center;
  }

  .illustration-wrap {
    width: 85vw;
  }

  .rsvp-section {
    padding: 60px 20px;
  }
}