:root {
  --bg-1: #fbf3df;
  --bg-2: #e9cd9c;
  --card: #f6ead0cc;
  --divider: #d8b98a;
  --ink: #2b2013;
  --ink-soft: #5b4a30;
  --accent: #3b2a17;
  --accent-line: #3b2a1740;
  --accent-soft: #3b2a1712;
  --on-accent: #f6ead0;
}
/* Texturas reales como archivo estatico (antes base64 inline en el mockup,
   ~600KB de peso muerto por carga). Tecnica shadow-lift AAA (18ago26)
   preservada via los text-shadow en 4 capas mas abajo. */
[data-metal="cobre"] { --bg-solid: #e4e6db; --bg-photo: url("/bg-cobre.jpg"); }
[data-metal="papiro"] { --bg-solid: #edcd9d; --bg-photo: url("/bg-papiro.jpg"); }
[data-metal="cobre"] {
  --bg-1: #f2f0e2;
  --bg-2: #c7d0bd;
  --card: #eef0e2cc;
  --ink: #232c22;
  --ink-soft: #4c5a49;
  --accent: #2f3d31;
  --accent-line: #2f3d3140;
  --accent-soft: #2f3d3112;
  --on-accent: #eef0e2;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg-solid, #edcd9d);
  background-image: var(--bg-photo);
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
}
::selection { background: var(--accent-soft); color: var(--ink); }
a { color: inherit; }
img { max-width: 100%; display: block; }
.mono { font-family: 'IBM Plex Mono', monospace; }
.display { font-family: 'Fraunces', serif; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.metal-switch {
  position: fixed; top: 18px; right: 18px; z-index: 50;
  display: flex; gap: 6px;
  background: var(--card);
  border: 1px solid var(--accent-line);
  border-radius: 999px; padding: 6px;
  backdrop-filter: blur(6px);
}
.metal-switch button {
  font-family: 'IBM Plex Mono', monospace; font-size: 11px;
  background: transparent; border: none; color: var(--ink-soft);
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.metal-switch button.active { background: var(--accent); color: var(--on-accent); }

nav {
  position: relative; display: flex; align-items: center;
  padding: 30px 6vw;
}
.wordmark { font-family: 'Fraunces', serif; font-weight: 600; font-size: 19px; color: var(--ink); text-decoration: none; cursor: pointer; text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 9px rgba(255,255,255,.65), 0 0 18px rgba(255,255,255,.45), 0 0 32px rgba(255,255,255,.25); }
.wordmark .dot { color: var(--accent); }
.navlinks { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; gap: 34px; font-size: 13.5px; color: var(--ink-soft); font-family: 'IBM Plex Mono', monospace; font-weight: 600; letter-spacing: .02em; text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 9px rgba(255,255,255,.65), 0 0 18px rgba(255,255,255,.45), 0 0 32px rgba(255,255,255,.25); }
.navlinks a { text-decoration: none; transition: color .2s; }
.navlinks a:hover { color: var(--ink); }

.hero {
  text-align: center;
  padding: 3vh 6vw 8vh;
  max-width: 880px;
  margin: 0 auto;
}
.seal-float {
  max-width: 560px;
  margin: 0 auto 42px;
  opacity: 0;
  animation: rise 1s ease forwards .1s;
}
.seal-float img { width: 100%; filter: drop-shadow(0 18px 30px rgba(43,32,19,0.18)); }
.hero h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  line-height: 1.25; font-weight: 500; margin: 0 0 20px;
  color: var(--ink); opacity: 0; animation: rise .9s ease forwards .3s;
  text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 9px rgba(255,255,255,.65), 0 0 18px rgba(255,255,255,.45), 0 0 32px rgba(255,255,255,.25);
}
.hero p {
  font-size: 16px; line-height: 1.7; color: var(--ink-soft); font-weight: 500;
  max-width: 480px; margin: 0 auto 34px;
  opacity: 0; animation: rise .9s ease forwards .45s;
  text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 9px rgba(255,255,255,.65), 0 0 18px rgba(255,255,255,.45), 0 0 32px rgba(255,255,255,.25);
}
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; opacity: 0; animation: rise .9s ease forwards .6s; }
@keyframes rise { from { opacity:0; transform: translateY(14px);} to {opacity:1; transform: translateY(0);} }

.btn {
  font-family: 'IBM Plex Sans', sans-serif; font-size: 14px; font-weight: 500;
  padding: 14px 26px; border-radius: 8px; text-decoration: none; display: inline-block;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-solid { background: var(--accent); color: var(--on-accent); }
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 14px 26px -10px var(--accent-line); }
.btn-ghost { border: 1.5px solid var(--accent-line); color: var(--ink); text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 9px rgba(255,255,255,.65), 0 0 18px rgba(255,255,255,.45), 0 0 32px rgba(255,255,255,.25); }
.btn-ghost:hover { background: var(--accent-soft); }

section { max-width: 1200px; margin: 0 auto; padding: 6vh 6vw; }
.section-head { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; margin-bottom: 40px; gap: 8px; }
.section-head h2 { font-size: 1.8rem; font-weight: 500; margin: 0; }
.section-head span { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; letter-spacing: .03em; text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 8px rgba(255,255,255,.6); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 26px; }
.card {
  background: var(--card);
  border: 1px solid var(--accent-line);
  border-radius: 14px; overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
  opacity: 0; transform: translateY(16px);
  backdrop-filter: blur(3px);
}
.card.in { opacity: 1; transform: translateY(0); }
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 34px -18px rgba(43,32,19,0.35); }
.cover-wrap { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.cover-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .cover-wrap img { transform: scale(1.04); }
.tag {
  position: absolute; top: 12px; left: 12px;
  font-family: 'IBM Plex Mono', monospace; font-size: 10px;
  background: rgba(251,243,223,0.85); color: var(--accent);
  padding: 4px 9px; border-radius: 999px;
}
.card-body { padding: 18px 18px 20px; }
.card-body .quote { font-family: 'Fraunces', serif; font-style: italic; font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; margin: 0 0 14px; min-height: 40px; }
.card-footer { display: flex; justify-content: space-between; align-items: center; }
.price { font-family: 'IBM Plex Mono', monospace; font-size: 13.5px; color: var(--ink); }
.buy { font-size: 12px; font-weight: 500; color: var(--accent); text-decoration: none; border: 1px solid var(--accent-line); padding: 7px 14px; border-radius: 7px; transition: background .2s ease; }
.buy:hover { background: var(--accent-soft); }
.eme-card .cover-wrap { display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, var(--bg-1), var(--bg-2)); }
.eme-card .mask { font-size: 15px; color: var(--ink-soft); font-family: 'IBM Plex Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }

.newsletter {
  background: var(--card); border: 1px solid var(--accent-line); border-radius: 20px;
  padding: 32px 6vw; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
  margin: 6vh 6vw; backdrop-filter: blur(3px);
}
.newsletter h3 { font-size: 1.6rem; font-weight: 500; margin: 0 0 14px; }
.newsletter p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.7; margin: 0; max-width: 420px; }
.signup { display: flex; gap: 10px; flex-wrap: wrap; }
.signup input {
  flex: 1; min-width: 200px; background: var(--bg-1); border: 1px solid var(--accent-line);
  border-radius: 8px; padding: 14px 16px; color: var(--ink); font-family: 'IBM Plex Sans', sans-serif; font-size: 14px;
}
.signup input::placeholder { color: var(--ink-soft); opacity: .7; }
.signup input:focus { outline: none; border-color: var(--accent); }

/* El widget de Kit (formulario embebido via script) trae su propio padding
   y encabezados de plantilla — se recorta para que quede como una seccion
   normal en vez del bloque enorme que renderiza por defecto. */
.signup .formkit-form { width: 100%; }
.signup .formkit-background { display: none !important; }
.signup .formkit-container {
  padding: 0 !important; margin: 0 !important; max-width: 100% !important;
  min-height: 0 !important; background: none !important; box-shadow: none !important;
}
.signup .formkit-header, .signup .formkit-subheader {
  font-size: 14px !important; line-height: 1.4 !important; margin: 0 0 10px !important; padding: 0 !important;
}
.signup .formkit-fields { padding: 0 !important; margin: 0 !important; gap: 10px !important; }
.signup .formkit-input {
  padding: 14px 16px !important; border-radius: 8px !important; border: 1px solid var(--accent-line) !important;
  background: var(--bg-1) !important; color: var(--ink) !important; font-family: 'IBM Plex Sans', sans-serif !important;
  font-size: 14px !important; min-height: 0 !important; height: auto !important;
}
.signup .formkit-submit {
  background: var(--accent) !important; color: var(--on-accent) !important; border-radius: 8px !important;
  padding: 14px 26px !important; font-size: 14px !important; border: none !important; min-height: 0 !important; height: auto !important;
}
.signup .formkit-guarantee, .signup .formkit-powered-by { font-size: 10px !important; margin-top: 8px !important; }

footer {
  padding: 28px 6vw 46px; display: flex; justify-content: space-between;
  color: var(--ink-soft); font-size: 11.5px; font-family: 'IBM Plex Mono', monospace; font-weight: 600; letter-spacing: .02em;
  flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--accent-line);
  text-shadow: 0 0 3px rgba(255,255,255,.85), 0 0 9px rgba(255,255,255,.65), 0 0 18px rgba(255,255,255,.45), 0 0 32px rgba(255,255,255,.25);
}
footer b { color: var(--accent); font-weight: 500; }

@media (max-width: 860px) {
  .newsletter { grid-template-columns: 1fr; }
}