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

:root {
  --bg:    #fdf8ed;
  --bg2:   #f5edcf;
  --bg3:   #e8dba8;
  --ink:   #1a1608;
  --ink2:  #5c5328;
  --ink3:  #a09660;
  --gold:  #E9AB17;
  --goldd: #c8920e;
  --goldl: #f5c842;
  --red:   #C8102E;
  --redd:  #9e0d24;
  --redl:  #e8162f;
  --white: #fffef9;
  --ok:    #4a9a6a;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Mono', monospace;
  font-weight: 400;
  min-height: 100vh;
  padding: 3rem 1.5rem 4rem;
  position: relative;
  overflow-x: hidden;
}


body::before {
  content: '';
  position: fixed;
  top: -30%;
  right: -20%;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(233,171,23,0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  left: -15%;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,16,46,0.05) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.page {
  position: relative;
  z-index: 10;
  max-width: 560px;
  margin: 0 auto;
}


.header { text-align: center; margin-bottom: 3rem; }

.org-name {
  font-size: 0.58rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 1.2rem;
}

h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 9vw, 5rem);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.8rem;
}
h1 em {
  font-style: italic;
  color: var(--gold);
  display: block;
}

.header-sub {
  font-size: 0.68rem;
  line-height: 1.85;
  color: var(--ink3);
  letter-spacing: 0.03em;
}




.divider {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}
.divider-line { flex: 1; height: 1px; background: var(--bg4); }
.divider-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex-shrink: 0; }
.divider-dot.red { background: var(--red); }




.form { display: flex; flex-direction: column; gap: 1.6rem; }

.form-section-label {
  font-size: 0.52rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: -0.7rem;
}

.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

label {
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink2);
}
label .req { color: var(--red); margin-left: 0.2rem; }
label .opt { color: var(--ink3); margin-left: 0.2rem; font-size: 0.52rem; }



input[type=text],
input[type=email],
input[type=tel] {
  width: 100%;
  height: 50px;
  background: var(--bg2);
  border: 1px solid var(--bg4);
  border-radius: 9px;
  padding: 0 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s, background 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
input[type=text]:focus,
input[type=email]:focus,
input[type=tel]:focus {
  border-color: var(--gold);
  background: var(--bg3);
}
input::placeholder { color: var(--ink3); }
input.err { border-color: var(--red) !important; }



.toggle-opts {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.segment-opts { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.4rem; }
.event-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }

.event-card {
  background: var(--bg2);
  border: 1px solid var(--bg3);
  border-radius: 12px;
  padding: 1.2rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  outline: none;
}

.event-card .card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.event-card .card-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.event-card .card-price {
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--goldd);
}
.event-card .card-price::before { content: 'TK '; font-size: 0.6rem; opacity: 0.7; }

.event-card .card-info {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.event-card .card-info li {
  font-size: 0.52rem;
  line-height: 1.4;
  color: var(--ink3);
  letter-spacing: 0.02em;
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}
.event-card .card-info li::before {
  content: '→';
  color: var(--gold);
  flex-shrink: 0;
}

.event-card:hover {
  background: var(--bg3);
  transform: translateY(-2px);
  border-color: var(--gold);
}

.event-card.sel-gold {
  background: var(--white);
  border-color: var(--gold);
  box-shadow: 0 10px 20px -10px rgba(233,171,23,0.2);
}
.event-card.sel-gold .card-title { color: var(--goldd); }
.event-card.sel-gold .card-info li::before { color: var(--goldd); }

.event-card.sel-red {
  background: var(--white);
  border-color: var(--red);
  box-shadow: 0 10px 20px -10px rgba(200,16,46,0.15);
}
.event-card.sel-red .card-title { color: var(--red); }
.event-card.sel-red .card-price { color: var(--red); }
.event-card.sel-red .card-info li::before { color: var(--red); }


.toggle-opt {
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--bg4);
  border-radius: 9px;
  padding: 0.85rem 0.9rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink2);
  letter-spacing: 0.04em;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: all 0.14s;
  line-height: 1.4;
}
.toggle-opt .opt-sub {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--ink3);
  transition: color 0.14s;
}
.toggle-opt:hover {
  background: var(--bg3);
  border-color: var(--bg4);
  color: var(--ink);
}


.toggle-opt.sel-gold {
  background: var(--gold);
  border-color: var(--goldd);
  color: var(--bg);
}
.toggle-opt.sel-gold .opt-sub { color: var(--goldd); }


.toggle-opt.sel-red {
  background: var(--red);
  border-color: var(--redd);
  color: #fff;
}
.toggle-opt.sel-red .opt-sub { color: rgba(255,255,255,0.6); }


.upload-area {
  background: var(--bg2);
  border: 1px solid var(--bg4);
  border-radius: 9px;
  padding: 1.6rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: border-color 0.14s, background 0.14s;
  position: relative;
}
.upload-area:hover { background: var(--bg3); border-color: var(--gold); }
.upload-area.err   { border-color: var(--red); }
.upload-area input[type=file] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.upload-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink3);
}
.upload-label {
  font-size: 0.72rem;
  color: var(--ink2);
  letter-spacing: 0.04em;
  text-align: center;
}
.upload-sub {
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink3);
}
.upload-preview {
  width: 72px; height: 88px;
  border-radius: 6px;
  object-fit: cover;
  display: none;
  border: 2px solid var(--gold);
}

.ref-note {
  font-size: 0.56rem;
  letter-spacing: 0.06em;
  color: var(--ink3);
  margin-top: -0.15rem;
  line-height: 1.6;
}


.submit-btn {
  width: 100%;
  height: 54px;
  background: var(--gold);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: background 0.15s, transform 0.1s;
  margin-top: 0.5rem;
}
.submit-btn:hover { background: var(--goldl); }
.submit-btn:active { transform: scale(0.99); }
.submit-btn:disabled { background: var(--bg4); color: var(--ink3); cursor: not-allowed; }

.form-msg {
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--ink3);
  min-height: 1rem;
}
.form-msg.ok  { color: var(--ok); }
.form-msg.err { color: var(--red); }


.bottom {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  background: var(--bg2);
  color: var(--ink2);
  transition: background 0.14s, color 0.14s;
}
.social-btn:hover        { background: var(--bg3); color: var(--ink); }
.social-btn.fb:hover     { background: #1877f2; color: #fff; }
.social-btn.ig:hover     { background: var(--red); color: #fff; }
.social-btn.li:hover     { background: #0a66c2; color: #fff; }

.credit {
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink3);
}


.success-overlay {
  display: none;
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}
.success-overlay.show { display: flex; }
.success-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
}
.success-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 0.7rem;
  letter-spacing: -0.02em;
}
.success-title em { font-style: italic; color: var(--gold); }
.success-sub {
  font-size: 0.72rem;
  color: var(--ink3);
  line-height: 1.85;
  letter-spacing: 0.03em;
  max_width: 320px;
}

.success-id-box {
  background: var(--bg2);
  border: 2px dashed var(--gold);
  padding: 1rem 2rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}
.id-label {
  font-size: 0.52rem;
  letter-spacing: 0.2em;
  color: var(--ink3);
  margin-bottom: 0.3rem;
}
.id-value {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--goldd);
  letter-spacing: 0.05em;
}

@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; }
  .segment-opts { grid-template-columns: 1fr 1fr; }
  .event-opts { grid-template-columns: 1fr; }
}

.discount-status {
  font-size: 0.52rem;
  font-family: 'DM Mono', monospace;
  margin-left: 0.6rem;
  letter-spacing: 0.02em;
  transition: all 0.2s;
}
.discount-status.applied { color: var(--ok); }
.discount-status.invalid { color: var(--red); }
.strike { text-decoration: line-through; opacity: 0.4; margin-right: 0.4rem; font-size: 0.8em; }