:root {
  --night: #24122E;
  --plum: #3B1F4A;
  --gold: #E3B65C;
  --gold-deep: #B8893A;
  --paper: #F3E3C7;
  --wax: #B3263E;
  --wax-dark: #7E1528;
  --ink: #2A1A33;
  --mist: #CDB8D9;
  --display: "Fraunces", Georgia, serif;
  --body: "Karla", system-ui, sans-serif;
  /* gold dot mesh, like foil pressed into card */
  --mesh: radial-gradient(rgba(227, 182, 92, 0.16) 1px, transparent 1.4px) 0 0 / 22px 22px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--paper); font: 17px/1.55 var(--body); background: var(--mesh), radial-gradient(ellipse at 70% 0%, #4A2A5C 0%, var(--night) 60%) fixed; background-color: var(--night); min-height: 100vh; }
a { color: var(--gold); }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.5; }
h1, h2 { font-family: var(--display); font-weight: 700; line-height: 1.02; margin: 0; }
h2 { font-size: 30px; margin-bottom: 14px; color: var(--gold); }

.top { display: flex; justify-content: space-between; align-items: center; padding: 18px clamp(16px, 4vw, 48px); }
.logo { display: flex; align-items: center; gap: 10px; color: var(--paper); text-decoration: none; font: 700 28px/1 var(--display); }
.connect { background: transparent; color: var(--gold); border: 1.5px solid var(--gold); border-radius: 999px; padding: 9px 18px; font-weight: 700; }
.connect:hover { background: rgba(227, 182, 92, 0.12); }

main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px) 40px; }

.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px 56px; align-items: center; min-height: 460px; }
.kicker { margin: 0 0 10px; color: var(--mist); font-weight: 600; }
.hero h1 { font-size: clamp(44px, 6.4vw, 78px); }
.hero h1 em { font-style: italic; font-weight: 500; color: var(--gold); }
.lead { font-size: 18px; max-width: 540px; color: #E9DCEF; margin: 18px 0 0; }

/* ---------- the envelope */
.envelope { position: relative; width: min(440px, 100%); aspect-ratio: 1.55; margin: 40px auto 20px; perspective: 1000px; }
.envelope .back { position: absolute; inset: 0; background: #D9C29C; border-radius: 10px; box-shadow: 0 30px 60px rgba(10, 2, 16, 0.55); }
.envelope .letter { position: absolute; left: 7%; right: 7%; top: 8%; bottom: 8%; background: #FFF8EA; color: var(--ink); border-radius: 6px; padding: 18px 20px; transition: transform 0.9s cubic-bezier(0.2, 0.9, 0.2, 1) 0.35s; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12); overflow: hidden; }
.letter .to { margin: 0; font: 600 14px/1.2 var(--body); color: #7A5C86; }
.letter .note { margin: 8px 0; font: 500 20px/1.3 var(--display); transition: filter 0.6s; overflow-wrap: anywhere; }
.letter .from { margin: 0; font-size: 13px; color: #7A5C86; }
.envelope .front { position: absolute; inset: 0; border-radius: 10px; overflow: hidden; pointer-events: none; z-index: 2; }
.envelope .front::before { content: ""; position: absolute; inset: 0; background: #E9D4AF; clip-path: polygon(0 0, 50% 58%, 100% 0, 100% 100%, 0 100%); }
.envelope .front::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, #F0DFBE, #E6CFA6); clip-path: polygon(0 100%, 50% 50%, 100% 100%); }
.envelope .flap { position: absolute; left: 0; right: 0; top: 0; height: 60%; background: linear-gradient(#F0DDB9, #E2C99E); clip-path: polygon(0 0, 100% 0, 50% 100%); transform-origin: top; transition: transform 0.7s ease; z-index: 3; border-radius: 10px 10px 0 0; }
.envelope .wax { position: absolute; left: 50%; top: 60%; width: 74px; height: 74px; margin: -37px 0 0 -37px; border-radius: 50%; z-index: 4; display: grid; place-items: center;
  background: radial-gradient(circle at 38% 34%, #D8475C, var(--wax) 55%, var(--wax-dark)); box-shadow: 0 4px 0 var(--wax-dark), 0 10px 20px rgba(60, 0, 15, 0.45), inset 0 0 0 7px rgba(126, 21, 40, 0.5); }
.wax span { font: 700 30px/1 var(--display); color: #F6D9A0; text-shadow: 0 1px 0 var(--wax-dark); }

/* sealed: the note is folded away; open: the flap lifts and the letter rises */
.envelope.sealed .note { filter: blur(6px); }
.envelope.open .flap { transform: rotateX(180deg); z-index: 0; }
.envelope.open .wax { transform: translateY(-140%) scale(0.6); opacity: 0; transition: transform 0.6s, opacity 0.5s; }
.envelope.open .letter { transform: translateY(-46%); z-index: 3; }
.envelope.open .note { filter: none; }
/* the orchestrated moment: the wax seal stamps down */
.envelope.stamp .wax { animation: stamp 1.05s cubic-bezier(0.3, 0.7, 0.2, 1) both; }
.envelope.stamp .flap { animation: fold 0.5s ease both; }
@keyframes fold { from { transform: rotateX(180deg); } to { transform: rotateX(0); } }
@keyframes stamp {
  0% { transform: translateY(-120px) scale(2.4) rotate(-30deg); opacity: 0; }
  45% { transform: translateY(0) scale(1.18) rotate(4deg); opacity: 1; }
  58% { transform: scale(0.86, 0.8) rotate(0); }
  74% { transform: scale(1.06); }
  100% { transform: scale(1); }
}
.envelope.stamp::after { content: ""; position: absolute; left: 50%; top: 60%; width: 160px; height: 160px; margin: -80px 0 0 -80px; border-radius: 50%; border: 2px solid var(--gold); z-index: 5; animation: ring 0.9s ease-out 0.45s both; pointer-events: none; }
@keyframes ring { from { transform: scale(0.3); opacity: 0.9; } to { transform: scale(1.4); opacity: 0; } }

/* ---------- one keepsake */
.detail { display: grid; grid-template-columns: 1fr auto; gap: 18px 32px; align-items: end; background: rgba(59, 31, 74, 0.75); border: 1px solid rgba(227, 182, 92, 0.35); border-radius: 16px; padding: 22px 24px; }
.facts { display: flex; flex-wrap: wrap; gap: 18px 34px; grid-column: 1 / -1; }
.facts b { display: block; font: 700 40px/1 var(--display); color: var(--gold); }
.facts span { color: var(--mist); font-size: 14px; }
.add label { display: block; font-weight: 600; margin-bottom: 6px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row input { width: 150px; }
.buttons { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
input, textarea { font: inherit; color: var(--ink); background: #FFF8EA; border: 1.5px solid transparent; border-radius: 10px; padding: 10px 12px; width: 100%; }
input:focus, textarea:focus { outline: none; border-color: var(--gold); }
.gold { background: linear-gradient(var(--gold), var(--gold-deep)); color: var(--ink); border: 0; border-radius: 999px; padding: 11px 22px; font-weight: 700; box-shadow: 0 3px 0 #8E6524; }
.gold:active { transform: translateY(2px); box-shadow: 0 1px 0 #8E6524; }
.line { background: transparent; color: var(--paper); border: 1.5px solid rgba(243, 227, 199, 0.5); border-radius: 999px; padding: 10px 18px; font-weight: 600; }
.line.small { padding: 4px 12px; font-size: 14px; }
.msg { min-height: 26px; margin: 14px 0 0; color: var(--gold); font-weight: 600; }
.msg.bad { color: #FF9AA8; }

.lower { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 30px; }
.seal { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; background: rgba(59, 31, 74, 0.75); border: 1px solid rgba(227, 182, 92, 0.35); border-radius: 16px; padding: 24px; align-content: start; }
.seal h2, .seal .wide, .seal .fine, .seal button { grid-column: 1 / -1; }
.seal label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.seal button { justify-self: start; }
.fine { color: var(--mist); font-size: 14px; margin: 0; }
.shelf ul { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 10px; }
.shelf li a { display: grid; grid-template-columns: 44px 1fr auto; gap: 2px 14px; align-items: center; text-decoration: none; color: var(--ink); background: var(--paper); border-radius: 10px; padding: 12px 14px; transition: transform 0.2s; }
.shelf li a:hover { transform: translateY(-2px) rotate(-0.4deg); }
.shelf li a::before { content: ""; grid-row: span 2; width: 34px; height: 34px; border-radius: 50%; background: radial-gradient(circle at 38% 34%, #D8475C, var(--wax) 55%, var(--wax-dark)); }
.shelf li.opened a::before { background: none; border: 2px dashed var(--gold-deep); }
.shelf li b { font-family: var(--display); font-size: 17px; }
.shelf li span { font-size: 13px; color: #6E5878; }
.shelf li em { grid-row: 1 / span 2; grid-column: 3; font-style: normal; font-weight: 700; font-size: 14px; color: var(--wax-dark); text-align: right; }
.shelf .empty { color: var(--mist); }

.foot { margin-top: 56px; padding-top: 22px; border-top: 1px solid rgba(227, 182, 92, 0.3); color: var(--mist); font-size: 15px; }
.foot p { margin: 4px 0; }
.foot .built { font: 600 20px/1.3 var(--display); color: var(--paper); }
.addr { overflow-wrap: anywhere; }

@media (max-width: 860px) {
  .hero, .lower { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .detail { grid-template-columns: 1fr; }
  .buttons { justify-content: flex-start; }
}
@media (max-width: 480px) { .seal { grid-template-columns: 1fr; padding: 18px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }