/* ============================================
   40th Birthday Invitation — Bohemian Rustic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;600;700&family=Montserrat:wght@300;400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  --sunflower:   #F4C430;
  --sunset:      #F4C430;
  --charcoal:    #36454F;
  --leafy:       #6e22cd;
  --parchment:   #927eab;
  --parchment-d: #F5F0E6;
  --warm-glow:   rgba(244, 196, 48, .12);
  --shadow-soft: 0 6px 32px rgba(54,69,79,.10);
  --shadow-card: 0 2px 18px rgba(54,69,79,.08);
  --radius:      14px;
  --max-w:       780px;
  --transition:  .35s cubic-bezier(.4,0,.2,1);
}

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

html{scroll-behavior:smooth;font-size:16px}

body{
  font-family:'Montserrat',sans-serif;
  font-weight:400;
  color:var(--charcoal);
  background:var(--parchment);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* Parchment texture overlay */
body::before{
  content:'';
  position:fixed;inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
  pointer-events:none;
  z-index:0;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* --- Typography --- */
.script{font-family:'Caveat',cursive}

h1,h2,h3{font-family:'Caveat',cursive;font-weight:700;line-height:1.2}

/* --- Utility --- */
.container{
  width:90%;
  max-width:var(--max-w);
  margin-inline:auto;
  position:relative;
  z-index:1;
}

/* Sunflower divider */
.divider{
  display:flex;align-items:center;justify-content:center;
  gap:12px;
  margin:2.5rem 0;
}
.divider::before,.divider::after{
  content:'';flex:1;height:1px;
  background:linear-gradient(90deg,transparent,var(--sunflower),transparent);
}
.divider svg{flex-shrink:0}

/* ============================================
   HERO SECTION
   ============================================ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  overflow:hidden;
}

.hero__slideshow{
  position:absolute;inset:0;
  z-index:0;
}

.hero__slide{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:0;
  transition:opacity 1.6s ease-in-out;
  filter:saturate(1.1);
}

.hero__slide.active{
  opacity:1;
}

/* Gradient overlay — sits above slides, below content */
.hero__overlay{
  position:absolute;inset:0;
  z-index:1;
  background:linear-gradient(170deg,rgba(54,69,79,.55) 20%,rgba(255,127,80,.35) 70%,rgba(244,196,48,.25) 100%);
}
/* Warm glow particles */
.hero__bg::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 70%,rgba(244,196,48,.18) 0%,transparent 60%),
             radial-gradient(circle at 70% 40%,rgba(255,127,80,.14) 0%,transparent 50%);
}

.hero__content{
  position:relative;z-index:2;
  padding:2rem 1rem;
  animation:fadeUp .9s ease-out both;
}

.hero__tagline{
  font-family:'Montserrat',sans-serif;
  font-weight:300;font-size:1rem;
  letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.85);
  margin-bottom:.6rem;
}

.hero__title{
  font-size:clamp(2.6rem,7vw,5.2rem);
  color:#fff;
  text-shadow:0 4px 30px rgba(0,0,0,.35);
  margin-bottom:.8rem;
}

.hero__subtitle{
  font-family:'Montserrat',sans-serif;
  font-size:clamp(1rem,2.5vw,1.3rem);
  font-weight:300;
  color:rgba(255,255,255,.9);
  max-width:520px;margin-inline:auto;
}

.hero__scroll{
  position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);
  z-index:2;
  animation:bob 2.2s ease-in-out infinite;
}
.hero__scroll svg{stroke:rgb(146 126 171)}

/* ============================================
   EVENT DETAILS
   ============================================ */
.details{
  padding:5rem 0 3rem;
}

.details__card{
  background:#fff;
  border:2px solid var(--sunflower);
  border-radius:var(--radius);
  padding:3rem 2.5rem;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}

/* Corner sunflower decoration */
.details__card::before{
  content:'';position:absolute;top:-38px;right:-38px;
  width:120px;height:120px;
  background:radial-gradient(circle,var(--sunflower) 18%,transparent 19%),
             radial-gradient(circle,var(--sunflower) 18%,transparent 19%);
  background-size:14px 14px;
  opacity:.18;border-radius:50%;
  transform:rotate(15deg);
}

.details__heading{
  font-size:2.6rem;
  color:var(--charcoal);
  text-align:center;
  margin-bottom:2rem;
}

.detail-row{
  display:flex;align-items:flex-start;gap:16px;
  padding:1rem 0;
  border-bottom:1px dashed rgba(76,175,80,.25);
}
.detail-row:last-of-type{border-bottom:none}

.detail-row__icon{
  flex-shrink:0;
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  background:var(--warm-glow);
  border-radius:10px;
  color:var(--sunset);
}

.detail-row__label{
  font-weight:600;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--leafy);
  margin-bottom:2px;
}

.detail-row__value{
  font-size:1.05rem;
}

.detail-row__value em{
  display:block;
  font-style:normal;
  font-size:.92rem;
  color:#6b7c85;
  margin-top:2px;
}

.special-note{
  margin-top:2rem;
  background:linear-gradient(135deg,var(--warm-glow),rgba(255,127,80,.08));
  border-left:4px solid var(--sunset);
  border-radius:0 var(--radius) var(--radius) 0;
  padding:1.4rem 1.6rem;
  font-size:1.05rem;
}

.special-note .script{font-size:1.15rem;color:var(--sunset);font-weight:600}

/* Bicycle SVG illustration */
.bicycle-wrap{
  text-align:center;
  margin-top:2.2rem;
  opacity:.35;
}

/* ============================================
   RSVP FORM
   ============================================ */
.rsvp{
  padding:3rem 0 6rem;
}

.rsvp__inner{
  background:#fff;
  border-radius:var(--radius);
  padding:3rem 2.5rem;
  box-shadow:var(--shadow-soft);
  max-width:600px;
  margin-inline:auto;
}

.rsvp__heading{
  font-size:2.4rem;
  text-align:center;
  margin-bottom:.4rem;
  color:var(--charcoal);
}

.rsvp__sub{
  text-align:center;
  font-size:.95rem;
  color:#7a8a92;
  margin-bottom:2rem;
}

.form-group{
  margin-bottom:1.4rem;
}

.form-group label{
  display:block;
  font-weight:500;font-size:.88rem;
  margin-bottom:.35rem;
  color:var(--charcoal);
}

.form-group label .req{color:var(--sunset);margin-left:2px}

.form-group placeholder {font-color:var(--sunflower)}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select{
  width:100%;
  padding:.75rem 1rem;
  font-family:'Montserrat',sans-serif;
  font-size:.95rem;
  border:1.5px solid #ddd;
  border-radius:8px;
  background:var(--parchment);
  color:var(--sunflower);
  transition:border var(--transition),box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus{
  outline:none;
  border-color:var(--sunflower);
  box-shadow:0 0 0 3px rgba(244,196,48,.18);
}

.form-group textarea{
  resize:vertical;min-height:90px;
}

/* Radio group */
.radio-group{
  display:flex;gap:1.2rem;
  margin-top:.3rem;
}

.radio-option{
  position:relative;
  cursor:pointer;
}

.radio-option input{
  position:absolute;opacity:0;width:0;height:0;
}

.radio-option span{
  display:inline-flex;align-items:center;gap:6px;
  padding:.55rem 1.3rem;
  border:1.5px solid #ddd;
  border-radius:50px;
  font-size:.92rem;font-weight:500;
  transition:all var(--transition);
  user-select:none;
}

.radio-option input:checked+span{
  border-color:var(--sunflower);
  background:var(--warm-glow);
  color:var(--charcoal);
}
.radio-option input:focus-visible+span{
  box-shadow:0 0 0 3px rgba(244,196,48,.3);
}

.radio-option:hover span{
  border-color:var(--sunflower);
}

/* Submit button */
.btn-submit{
  display:block;width:100%;
  margin-top:1.8rem;
  padding:1rem;
  font-family:'Caveat',cursive;
  font-size:1.5rem;font-weight:700;
  color:#fff;
  background:var(--parchment);
  border:none;border-radius:50px;
  cursor:pointer;
  position:relative;overflow:hidden;
  transition:background var(--transition),transform .2s ease;
}

.btn-submit:hover{
  background:var(--sunflower);
  transform:translateY(-2px);
}

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

/* Shimmer on button */
.btn-submit::after{
  content:'';position:absolute;
  top:0;left:-75%;
  width:50%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.25),transparent);
  transition:left .5s ease;
}
.btn-submit:hover::after{left:125%}

/* ============================================
   THANK-YOU PAGE
   ============================================ */
.thankyou{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  background:var(--parchment);
  position:relative;
}

.thankyou__card{
  padding:3rem 2rem;
  max-width:560px;
  animation:fadeUp .8s ease-out both;
}

.thankyou__icon{
  width:100px;height:100px;
  margin:0 auto 1.6rem;
  background:var(--warm-glow);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  animation:pulse 2.5s ease-in-out infinite;
}

.thankyou__title{
  font-size:clamp(2.8rem,6vw,4.2rem);
  color:var(--charcoal);
  margin-bottom:.8rem;
}

.thankyou__msg{
  font-size:1.15rem;
  color:#5e6e76;
  max-width:420px;
  margin:0 auto 2.2rem;
  line-height:1.8;
}

.btn-back{
  display:inline-block;
  padding:.85rem 2.4rem;
  font-family:'Caveat',cursive;
  font-size:1.35rem;font-weight:700;
  color:#fff;
  background:var(--sunflower);
  border-radius:50px;
  transition:background var(--transition),transform .2s ease;
}
.btn-back:hover{
  background:var(--sunset);
  transform:translateY(-2px);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(28px)}
  to{opacity:1;transform:translateY(0)}
}

@keyframes bob{
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(10px)}
}

@keyframes pulse{
  0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(244,196,48,.25)}
  50%{transform:scale(1.06);box-shadow:0 0 0 18px rgba(244,196,48,0)}
}

/* stagger for detail rows */
.detail-row{
  opacity:0;
  animation:fadeUp .55s ease-out forwards;
}
.detail-row:nth-child(1){animation-delay:.15s}
.detail-row:nth-child(2){animation-delay:.25s}
.detail-row:nth-child(3){animation-delay:.35s}
.detail-row:nth-child(4){animation-delay:.45s}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:600px){
  .details__card{padding:2rem 1.4rem}
  .rsvp__inner{padding:2rem 1.4rem}
  .radio-group{flex-direction:column;gap:.6rem}
  .hero__tagline{font-size:.82rem}
}

/* ============================================
   FOOTER
   ============================================ */
.footer{
  text-align:center;
  padding:2rem 0;
  font-size:.82rem;
  color:#a0aeb5;
  position:relative;z-index:1;
}