/* Base: sistema Modernist (solo lo que usa la web) + tokens de la boda */
:root {
  --color-bg: #f7f4ec;
  --color-surface: #efeadc;
  --color-text: #1f2a22;
  --color-divider: #1f4d35;
  --color-accent: #1f4d35;
  --color-accent-100: #e9efe7;
  --color-accent-200: #d3dfd0;
  --color-accent-300: #aac2a7;
  --color-accent-400: #7a9f79;
  --color-accent-500: #4f7a52;
  --color-accent-600: #1a4230;
  --color-accent-700: #153627;
  --color-accent-800: #10291e;
  --color-accent-900: #0a1c14;
  --color-neutral-800: #444141;

  --font-body: "Archivo", system-ui, sans-serif;
  --font-display: "Cormorant Garamond", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 15px; line-height: 1.55; font-weight: 400;
  text-wrap: pretty;
}
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 500; }
p { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
a { color: var(--color-accent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-500); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
[hidden] { display: none !important; }

.grayscale { filter: grayscale(1) contrast(1.08); }

/* — botones — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-body); font-weight: 800;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; line-height: 1.2;
  color: var(--color-text); background: transparent; border: 1px solid transparent;
  padding: 8px 14.4px; border-radius: 0;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); color: var(--color-bg); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-ghost { color: var(--color-accent); padding-inline: 4px; }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }

/* — formulario — */
.field > label {
  display: block; margin-bottom: 5px;
  color: var(--color-accent-700); letter-spacing: 0.1em; text-transform: uppercase; font-size: 11px;
}
.input {
  width: 100%; min-height: 44px; padding: 6px 0; font: inherit; font-size: 14px;
  color: var(--color-text); caret-color: var(--color-accent);
  background: transparent; border: 0; border-bottom: 1px solid var(--color-accent-300); border-radius: 0;
}
.input:hover { border-bottom-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { outline: 0; border-bottom-color: var(--color-accent); }
textarea.input { min-height: 60px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; position: relative; }
.radio input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.radio .dot { width: 16px; height: 16px; flex: none; border-radius: 50%; border: 1.5px solid var(--color-divider); }
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot { border-color: var(--color-accent); background: var(--color-accent); box-shadow: inset 0 0 0 4px var(--color-bg); }
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.radio input[type="checkbox"] + .dot { border-radius: 0; }

/* — piezas comunes — */
.eyebrow { font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--color-accent-700); }
.eyebrow-sm { font-size: 11px; }
.regla { width: 56px; height: 1px; flex: none; background: var(--color-accent-300); }

/* ══ Intro: la carta se abre ══ */
.intro {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  overflow: hidden; perspective: 1400px; background: var(--color-accent-800);
  transition: background-color .7s ease, opacity .4s ease 1.2s, visibility 0s linear 1.6s;
}
html:not(.intro-activa) .intro { display: none; }
.intro-contenido { display: grid; justify-items: center; gap: 36px; padding: 24px; }
.sobre {
  position: relative; width: min(560px, 88vw); aspect-ratio: 3 / 2; cursor: pointer;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,.45)); transform-style: preserve-3d;
  transition: transform 1.2s cubic-bezier(.4,0,.2,1), opacity .5s ease .7s;
}
.sobre > div, .solapa-papel { position: absolute; inset: 0; }
.sobre-cuerpo { background: linear-gradient(160deg, #e3c58e, #cfae72 60%, #c4a164); }
.sobre-izq { background: linear-gradient(135deg, #d8b982, #c9a76a); clip-path: polygon(0 0, 50% 55%, 0 100%); }
.sobre-der { background: linear-gradient(225deg, #d8b982, #c9a76a); clip-path: polygon(100% 0, 50% 55%, 100% 100%); }
.sobre-inf { background: linear-gradient(0deg, #dcbd86, #cfae72); clip-path: polygon(0 100%, 50% 50%, 100% 100%); box-shadow: inset 0 2px 0 rgba(0,0,0,.08); }
.solapa {
  transform-origin: top center; transform-style: preserve-3d; backface-visibility: hidden;
  transition: transform .8s cubic-bezier(.4,0,.2,1) .2s;
}
.solapa-papel { background: linear-gradient(180deg, #e9cf9c, #d4b377); clip-path: polygon(0 0, 100% 0, 50% 58%); }
.sello {
  position: absolute; left: 50%; top: 54%; width: 34%; height: auto; z-index: 2;
  transform: translate(-50%, -50%); transition: transform .35s ease, opacity .35s ease;
}
.sobre-texto {
  position: absolute; left: 50%; top: 78%; transform: translateX(-50%); margin: 0;
  font-family: var(--font-display); font-style: italic; font-size: clamp(16px, 2.4vw, 22px);
  color: #5a4420; white-space: nowrap;
}
.pista {
  font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--color-accent-200);
  transition: opacity .3s ease;
}

@keyframes latido { 0%, 100% { transform: translate(-50%,-50%) scale(1); } 50% { transform: translate(-50%,-50%) scale(1.04); } }
[data-intro="cerrado"] .sello { animation: latido 2.4s ease-in-out infinite; }
[data-intro="cerrado"] .sello:hover { animation: none; transform: translate(-50%,-50%) scale(1.06); }
[data-intro="solapa"] .solapa, [data-intro="salir"] .solapa { transform: rotateX(-180deg); }
[data-intro="solapa"] .sello, [data-intro="salir"] .sello { transform: translate(-50%,-50%) scale(.6) rotate(-18deg); opacity: 0; }
[data-intro="solapa"] .pista, [data-intro="salir"] .pista { opacity: 0; }
[data-intro="salir"] { background-color: transparent; opacity: 0; visibility: hidden; pointer-events: none; }
[data-intro="salir"] .sobre { transform: translateY(70vh) scale(1.05); opacity: 0; }

/* la página es la carta: empieza plegada dentro del sobre y sale creciendo */
.intro-activa main {
  transform-origin: 50% 0; transform: translateY(46vh) scale(.4); opacity: 0;
  max-height: 100vh; overflow: hidden; position: relative; z-index: 60; pointer-events: none;
}
.intro-activa.intro-salir main {
  transform: translateY(0) scale(1); opacity: 1;
  transition: transform 1.4s cubic-bezier(.2,.7,.2,1), opacity .5s ease;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  main, .intro, .intro * { transition: none !important; animation: none !important; }
}

/* ══ Página ══ */
main { max-width: 900px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 64px); text-align: center; }

.portada { padding: clamp(56px, 9vw, 110px) 0 64px; display: grid; justify-items: center; gap: 22px; }
.monograma { font-family: var(--font-display); font-size: 22px; letter-spacing: 0.5em; text-indent: 0.5em; color: var(--color-accent); }
.portada h1 { font-size: clamp(56px, 10vw, 120px); line-height: 0.98; letter-spacing: -0.01em; }
.portada h1 em { font-weight: 400; color: var(--color-accent); }
.fecha { display: flex; align-items: center; gap: 18px; margin-top: 6px; }
.fecha p { font-family: var(--font-display); font-size: clamp(20px, 2.6vw, 28px); font-style: italic; }
.intro-texto { max-width: 52ch; font-size: 16px; line-height: 1.7; color: var(--color-neutral-800); }
.portada .btn { margin-top: 8px; }

.foto { margin: 0 auto; width: min(100%, 560px); }
.foto img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; }

.programa { padding: 80px 0 64px; }
.programa .eyebrow, .confirmar-cabecera .eyebrow { margin-bottom: 10px; }
.programa h2, .confirmar h2 { font-size: clamp(36px, 5vw, 56px); line-height: 1.05; }
.programa h2 { margin-bottom: 48px; }
.programa-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px 32px; }
.momento { display: grid; gap: 10px; justify-items: center; }
.momento-hora { font-family: var(--font-display); font-size: 44px; line-height: 1; color: var(--color-accent); }
.momento h3 { font-weight: 600; font-size: 26px; }
.momento p { font-size: 15px; line-height: 1.65; color: var(--color-neutral-800); }

.separador { display: flex; justify-content: center; align-items: center; gap: 14px; }
.separador .regla { width: 80px; }
.separador img { flex: none; width: 110px; max-width: 40vw; }

.lugares { padding: 64px 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
.lugar { background: var(--color-surface); padding: 36px 28px; display: grid; gap: 10px; justify-items: center; }
.lugar h3 { font-size: 30px; line-height: 1.1; }

.confirmar { padding: 48px 0 110px; max-width: 560px; margin: 0 auto; text-align: left; position: relative; }
.confirmar-cabecera { text-align: center; margin-bottom: 40px; }
.confirmar-cabecera p:last-child { margin-top: 14px; font-size: 15px; line-height: 1.65; color: var(--color-neutral-800); }
.formulario, .grupo { display: grid; gap: 28px; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.acompanante { display: grid; gap: 20px; padding-left: 20px; border-left: 1px solid var(--color-accent-300); }
.acompanante legend { float: left; width: 100%; padding: 0; color: var(--color-accent); }
select.input { cursor: pointer; }
.opciones { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 6px; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.error { font-size: 14px; line-height: 1.5; color: #8a1c0c; text-align: center; }
.enviar { display: flex; justify-content: center; padding-bottom: 40px; }
.enviar-boton { position: relative; display: inline-block; }
.enviar-boton img { position: absolute; right: -60px; bottom: -48px; width: 110px; transform: rotate(-8deg); pointer-events: none; }

.enviado { text-align: center; border-top: 1px solid var(--color-accent-300); border-bottom: 1px solid var(--color-accent-300); padding: 36px 0; }
.enviado h3 { font-size: 32px; }
.enviado p { margin-top: 12px; font-size: 15px; line-height: 1.65; color: var(--color-neutral-800); }
.enviado .btn { margin-top: 16px; }

footer { padding: 36px 0 56px; border-top: 1px solid var(--color-accent-300); font-family: var(--font-display); font-size: 20px; font-style: italic; color: var(--color-accent); }