:root {
  --cream: #f7f3ea;
  --paper: #fffdf8;
  --sand: #ece4d3;
  --sage: #9aa88a;
  --sage-deep: #5f6f52;
  --ink: #3d3a33;
  --muted: #8a8577;
  --gold: #b89a62;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --script: "Pinyon Script", "Snell Roundhand", cursive;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.5;
  overflow-x: hidden;
}
body.locked { overflow: hidden; height: 100vh; height: 100dvh; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

/* ---------- Sobre ---------- */
.envelope-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2.2rem; padding: 1.5rem;
  background: radial-gradient(ellipse at 50% 40%, #fffdf8 0%, var(--cream) 70%);
  transition: opacity 0.9s ease, transform 0.9s ease, visibility 0s linear 0.9s;
}
.envelope-screen.gone { opacity: 0; transform: scale(1.06); visibility: hidden; pointer-events: none; }

.env {
  position: relative;
  width: min(86vw, 420px);
  aspect-ratio: 3 / 2;
  perspective: 1400px;
  filter: drop-shadow(0 18px 30px rgba(90, 76, 50, 0.18));
}
.env .back { position: absolute; inset: 0; background: var(--sand); border-radius: 4px; }
.env .letter {
  position: absolute; left: 6%; right: 6%; top: 8%; height: 84%;
  background: var(--paper); border-radius: 3px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 0.3rem;
  transition: transform 1.1s cubic-bezier(.2,.7,.2,1);
  z-index: 2;
}
.env .letter .l-small { font-size: 0.78rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); }
.env .letter .l-names { font-family: var(--script); font-size: clamp(1.7rem, 8vw, 2.4rem); color: var(--sage-deep); line-height: 1.1; }
.env .pocket {
  position: absolute; inset: 0; z-index: 3; border-radius: 4px;
  background: linear-gradient(180deg, #efe5cf, #e6d9bd);
  clip-path: polygon(0 0, 50% 56%, 100% 0, 100% 100%, 0 100%);
}
.env .flap {
  position: absolute; left: 0; top: 0; width: 100%; height: 56%; z-index: 4;
  background: linear-gradient(180deg, #fdf9ef, #f5ecd8);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transition: transform 0.9s cubic-bezier(.5,0,.2,1);
}
.env.open .flap { transform: rotateX(180deg); z-index: 1; transition: transform 0.9s cubic-bezier(.5,0,.2,1), z-index 0s linear 0.35s; }
.env.open .letter { transform: translateY(-48%); transition-delay: 0.85s; z-index: 2; }

.seal {
  position: absolute; left: 50%; top: 56%; z-index: 6;
  width: clamp(58px, 17vw, 78px); aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 0; border-radius: 50%; cursor: pointer;
  background: radial-gradient(circle at 35% 30%, #f6ecd0 0%, #d9c48f 55%, #b99a58 100%);
  box-shadow: 0 3px 8px rgba(80, 60, 20, 0.35), inset 0 -3px 6px rgba(120, 90, 30, 0.35), inset 0 2px 4px rgba(255,255,255,.6);
  font-family: var(--script); font-size: clamp(1.2rem, 4.6vw, 1.6rem); color: #7a6130;
  display: grid; place-items: center;
  animation: pulse 2.4s ease-in-out infinite;
  transition: opacity 0.4s ease, transform 0.5s ease;
  -webkit-tap-highlight-color: transparent;
}
.seal::before {
  content: ""; position: absolute; inset: 7px; border-radius: 50%;
  border: 1px solid rgba(122, 97, 48, 0.45);
}
.env.open .seal { opacity: 0; transform: translate(-50%, -50%) scale(0.7); animation: none; pointer-events: none; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 3px 8px rgba(80,60,20,.35), inset 0 -3px 6px rgba(120,90,30,.35), inset 0 2px 4px rgba(255,255,255,.6), 0 0 0 0 rgba(184,154,98,.45); }
  50% { box-shadow: 0 3px 8px rgba(80,60,20,.35), inset 0 -3px 6px rgba(120,90,30,.35), inset 0 2px 4px rgba(255,255,255,.6), 0 0 0 14px rgba(184,154,98,0); }
}

.envelope-copy { text-align: center; }
.envelope-copy .script { font-family: var(--script); font-size: clamp(1.5rem, 6vw, 1.9rem); color: var(--sage-deep); }
.envelope-copy .hint { margin-top: 0.4rem; font-size: 0.8rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--muted); }

/* ---------- Página ---------- */
main { max-width: 560px; margin: 0 auto; }
section { padding: 4.5rem 1.5rem; text-align: center; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.9s ease, transform 0.9s ease; }
.reveal.in { opacity: 1; transform: none; }

.eyebrow { font-size: 0.8rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--muted); }
.script { font-family: var(--script); font-weight: 400; }
h2.script { font-size: clamp(2.2rem, 10vw, 3rem); color: var(--sage-deep); line-height: 1.15; margin-bottom: 0.4rem; }

.divider { display: flex; align-items: center; justify-content: center; gap: 0.8rem; color: var(--gold); margin: 1.4rem auto; }
.divider::before, .divider::after { content: ""; width: 56px; height: 1px; background: currentColor; opacity: 0.6; }

.hero {
  min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem;
  background: linear-gradient(180deg, #eef1e6 0%, var(--cream) 100%);
}
.hero .names { font-family: var(--script); font-size: clamp(3.2rem, 17vw, 5.2rem); color: var(--sage-deep); line-height: 1.05; }
.hero .amp { display: block; font-size: 0.55em; color: var(--gold); }
.hero .date { font-size: 1.25rem; letter-spacing: 0.12em; }
.hero .scroll { margin-top: 1.6rem; font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); animation: bob 2.2s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

.countdown { background: #e6ebd9; }
.count-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; margin-top: 1.6rem; }
.count-box { background: rgba(255,253,248,.75); border-radius: 10px; padding: 1rem 0.2rem; }
.count-box strong { display: block; font-size: clamp(1.8rem, 9vw, 2.5rem); font-weight: 500; font-variant-numeric: tabular-nums; color: var(--sage-deep); }
.count-box span { font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }

.card {
  background: var(--paper); border: 1px solid rgba(184,154,98,.35); border-radius: 14px;
  padding: 2rem 1.4rem; margin-top: 1.6rem; box-shadow: 0 10px 30px rgba(90,76,50,.07);
}
.card .when { font-size: 1.35rem; margin-top: 0.4rem; }
.card .where { font-size: 1.15rem; font-weight: 600; margin-top: 0.8rem; }
.card .addr { color: var(--muted); }
.map { margin-top: 1.2rem; border-radius: 10px; overflow: hidden; border: 1px solid var(--sand); }
.map iframe { display: block; width: 100%; height: 220px; border: 0; }
.btn-row { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1.2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.2rem; border-radius: 999px; cursor: pointer; text-decoration: none;
  border: 1px solid var(--sage-deep); background: transparent; color: var(--sage-deep);
  font-size: 1rem; letter-spacing: 0.08em; transition: background .2s, color .2s;
}
.btn:hover { background: var(--sage-deep); color: var(--paper); }
.btn.primary { background: var(--sage-deep); color: var(--paper); }
.btn.primary:hover { background: #4d5c42; }
.btn:disabled { opacity: 0.6; cursor: wait; }

/* ---------- Formulario ---------- */
.rsvp { background: #eef1e6; }
.deadline { margin-top: 0.6rem; font-style: italic; color: var(--sage-deep); }
form { text-align: left; margin-top: 1.6rem; display: grid; gap: 1.2rem; }
fieldset { border: 0; }
label, legend { display: block; font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.4rem; }
input[type=text], select, textarea {
  width: 100%; padding: 0.8rem 0.9rem; background: var(--paper); border: 1px solid #d8d2c2; border-radius: 8px;
  font-size: 1.1rem; outline: none; transition: border-color .2s, box-shadow .2s;
}
input[type=text]:focus, select:focus, textarea:focus { border-color: var(--sage-deep); box-shadow: 0 0 0 3px rgba(95,111,82,.15); }
textarea { resize: vertical; min-height: 90px; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span {
  display: block; text-align: center; padding: 0.85rem 0.5rem; border: 1px solid #d8d2c2; border-radius: 8px;
  background: var(--paper); cursor: pointer; font-size: 1.05rem; letter-spacing: 0; text-transform: none; color: var(--ink); transition: all .2s;
}
.choice input:checked + span { background: var(--sage-deep); border-color: var(--sage-deep); color: var(--paper); }
.choice input:focus-visible + span { box-shadow: 0 0 0 3px rgba(95,111,82,.3); }
.hidden { display: none !important; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.form-error { color: #9a3b2e; font-size: 0.95rem; text-align: center; min-height: 1.2em; }
.thanks { padding: 1rem 0 0; }
.thanks h3 { font-family: var(--script); font-weight: 400; font-size: 2.4rem; color: var(--sage-deep); }
.demo-note { margin-top: 1rem; font-size: 0.85rem; color: var(--muted); }

footer { padding: 3rem 1.5rem 4rem; text-align: center; color: var(--muted); }
footer .script { font-size: 2rem; color: var(--sage-deep); }

@media (min-width: 560px) {
  .btn-row { flex-direction: row; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  .reveal { opacity: 1; transform: none; }
}