/* Formularios de Marketing · presentación inmersiva. Las variables de color (--acc, --text, …) las define fill_inmersivo.php según el tema del formulario. */
@font-face { font-family: 'Poppins'; src: url('../fonts/lobby/poppins-300.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Poppins'; src: url('../fonts/lobby/poppins-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Poppins'; src: url('../fonts/lobby/poppins-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Poppins'; src: url('../fonts/lobby/poppins-800.woff2') format('woff2'); font-weight: 800; font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.fi {
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  margin: 0; min-height: 100vh; color: var(--text);
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif; font-weight: 300; letter-spacing: -0.012em; line-height: 1.55;
  -webkit-font-smoothing: antialiased; overflow-x: hidden; position: relative;
  background: radial-gradient(120% 90% at 15% -10%, rgba(var(--acc-rgb), .22), transparent 55%), linear-gradient(160deg, var(--bg-a), var(--bg-b));
}
body.fi--transp { background: transparent; }
body.fi--embed { min-height: 100vh; }
.fi-bgimg { position: fixed; inset: 0; background-size: cover; background-position: center; z-index: -2; }
.fi-veil { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(90% 70% at 50% 45%, rgba(var(--acc-rgb), .14), transparent 70%); }
body.fi--claro .fi-veil { background: radial-gradient(90% 70% at 50% 45%, rgba(255, 255, 255, .35), transparent 70%); }
.fi-bgimg + .fi-veil { background: linear-gradient(180deg, rgba(0,0,0,.45), rgba(0,0,0,.55)); }
body.fi--claro .fi-bgimg + .fi-veil { background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.7)); }

.fi-progress { position: fixed; left: 0; right: 0; top: 0; height: 3px; z-index: 20; background: var(--kbd); }
.fi-progress i { display: block; height: 100%; width: 0; border-radius: 0 3px 3px 0; background: var(--acc); box-shadow: 0 0 14px rgba(var(--acc-rgb), .8); transition: width .7s var(--ease); }

.fi-stage { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 3rem 0; }
.fi-form { position: relative; width: 100%; max-width: 820px; padding: 0 24px; display: grid; }
.fi-slide {
  grid-area: 1 / 1; align-self: center; text-align: center; display: flex; flex-direction: column; align-items: center;
  opacity: 0; visibility: hidden; filter: blur(10px); pointer-events: none;
  transition: opacity .55s var(--ease), transform .7s var(--ease), filter .55s var(--ease), visibility 0s linear .7s;
}
.fi-slide[data-state="before"] { transform: translateX(-70px) scale(.98); }
.fi-slide[data-state="after"]  { transform: translateX(70px) scale(.98); }
.fi-slide[data-state="active"], .fi-stage > .fi-slide.is-active {
  opacity: 1; visibility: visible; filter: none; transform: none; pointer-events: auto; transition-delay: .08s, .08s, .08s, 0s;
}
.fi-stage > .fi-slide { max-width: 820px; padding: 0 24px; }

.fi-count { font: 500 .78rem/1 ui-monospace, Consolas, monospace; letter-spacing: .12em; color: var(--acc); margin-bottom: 1.3rem; }
.fi-title { margin: 0; font-size: clamp(1.7rem, 4.4vw, 3rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.12; word-spacing: .04em; max-width: 22ch; }
.fi-title--xl { font-size: clamp(2.1rem, 5.4vw, 4rem); margin: 1.2rem 0 1rem; }
.fi-req { color: var(--acc); margin-left: .15em; }
.fi-lead { margin: 1rem 0 0; max-width: 54ch; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.15rem); line-height: 1.6; }
.fi-lead--sm { font-size: .98rem; margin-top: .7rem; }
.fi-foto { width: 150px; height: 150px; object-fit: contain; border-radius: 22px; padding: 8px; background: var(--card); border: 1px solid var(--line); margin-bottom: .6rem; }

.fi-input { width: 100%; max-width: 640px; margin-top: 2.1rem; position: relative; }
.fi-input input, .fi-input textarea {
  width: 100%; padding: .95rem 0 .85rem; background: transparent; border: 0; border-bottom: 2px solid var(--line); border-radius: 0; outline: none;
  color: var(--text); font: 400 clamp(1.25rem, 3vw, 1.9rem)/1.3 inherit; font-family: inherit; letter-spacing: -.02em; text-align: center; caret-color: var(--acc);
  transition: border-color .4s; color-scheme: dark;
}
body.fi--claro .fi-input input, body.fi--claro .fi-input textarea { color-scheme: light; }
.fi-input textarea { resize: none; font-size: clamp(1.05rem, 2vw, 1.3rem); text-align: left; border: 1px solid var(--line); border-radius: 18px; padding: 1.05rem 1.25rem; background: var(--card); }
.fi-input input::placeholder, .fi-input textarea::placeholder { color: var(--faint); font-weight: 300; }
.fi-input::after { content: ''; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px; transform: translateX(-50%); background: var(--acc); box-shadow: 0 0 16px 1px rgba(var(--acc-rgb), .9); transition: width .6s var(--ease); pointer-events: none; }
.fi-input--area::after { display: none; }
.fi-input:focus-within::after { width: 100%; }
.fi-input--area textarea:focus { border-color: var(--acc); box-shadow: 0 0 22px rgba(var(--acc-rgb), .3); }
.fi-input.is-shake { animation: fi-shake .45s; }
@keyframes fi-shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }
.fi-error { margin: 1rem 0 0; color: #ff8c7e; font-size: .95rem; }
body.fi--claro .fi-error { color: #b91c1c; }

.fi-options { display: grid; gap: .9rem; width: 100%; margin-top: 2.2rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.fi-options[data-n="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 640px; }
.fi-options--lista { grid-template-columns: 1fr; max-width: 560px; }
.fi-opt {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; text-align: left; gap: .25rem;
  padding: 1.4rem 1.3rem 1.3rem; min-height: 96px; cursor: pointer; color: var(--text); font-family: inherit;
  background: var(--card); border: 1px solid rgba(var(--acc-rgb), .35); border-radius: 22px;
  box-shadow: 0 0 16px rgba(var(--acc-rgb), .12), inset 0 -22px 34px -22px rgba(var(--acc-rgb), .3);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .4s, background .4s;
}
.fi-opt b { font-size: 1.08rem; font-weight: 600; letter-spacing: -.02em; line-height: 1.25; padding-right: 1.6rem; }
.fi-opt kbd { position: absolute; top: .75rem; right: .85rem; }
.fi-opt:hover { transform: translateY(-5px); border-color: rgba(var(--acc-rgb), .7); box-shadow: 0 0 26px rgba(var(--acc-rgb), .32), inset 0 -22px 34px -18px rgba(var(--acc-rgb), .5); }
.fi-opt.is-sel { border-color: var(--acc); transform: translateY(-4px) scale(1.02); background: rgba(var(--acc-rgb), .22); box-shadow: 0 0 34px rgba(var(--acc-rgb), .55), inset 0 -22px 34px -18px rgba(var(--acc-rgb), .6); }
kbd { display: inline-block; padding: .1rem .42rem; border-radius: 6px; font: 500 .72rem/1.2 ui-monospace, Consolas, monospace; color: var(--muted); background: var(--kbd); border: 1px solid var(--line); }
.fi-opt.is-sel kbd { color: var(--acc-ink); background: var(--acc); border-color: var(--acc); }

.fi-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .9rem 1.2rem; margin-top: 2.2rem; }
.fi-btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .95rem 1.7rem; border-radius: 999px; border: 1px solid transparent; font: 600 1rem/1 inherit; font-family: inherit; letter-spacing: -.02em; cursor: pointer; white-space: nowrap;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), filter .3s; }
.fi-btn--primary { background: var(--acc); color: var(--acc-ink); box-shadow: 0 10px 30px -8px rgba(var(--acc-rgb), .6); }
.fi-btn--primary:hover { transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 16px 40px -8px rgba(var(--acc-rgb), .75); }
.fi-btn:active { transform: scale(.97); }
.fi-btn:disabled { opacity: .6; cursor: progress; transform: none; }
.fi-btn--xl { padding: 1.1rem 2.1rem; font-size: 1.08rem; }
.fi-back, .fi-skip { display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.2rem; border-radius: 999px; background: transparent; border: 0; font: 500 .95rem/1 inherit; font-family: inherit; color: var(--muted); cursor: pointer; transition: color .3s, background-color .3s; }
.fi-back:hover, .fi-skip:hover { color: var(--text); background: var(--kbd); }
.fi-skip { font-size: .88rem; text-decoration: underline; text-underline-offset: 4px; }
.fi-hint { margin: 1.3rem 0 0; font-size: .82rem; color: var(--faint); }
.fi-btn:focus-visible, .fi-opt:focus-visible, .fi-back:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; }

.fi-pay { margin-top: 1.8rem; padding: 1.3rem 1.8rem; border-radius: 22px; background: var(--card); border: 1px solid rgba(var(--acc-rgb), .4); display: flex; flex-direction: column; gap: .3rem; align-items: center; }
.fi-pay strong { font-size: 1.9rem; font-weight: 800; letter-spacing: -.03em; color: var(--text); }
.fi-pay span { color: var(--muted); } .fi-pay small { color: var(--faint); }
.fi-error--srv { background: rgba(239, 68, 68, .14); border: 1px solid rgba(239, 68, 68, .4); border-radius: 14px; padding: .7rem 1rem; }

.fi-check { width: 92px; height: 92px; filter: drop-shadow(0 0 18px rgba(var(--acc-rgb), .7)); }
.fi-check circle { fill: none; stroke: rgba(var(--acc-rgb), .35); stroke-width: 2; }
.fi-check path { fill: none; stroke: var(--acc); stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 48; stroke-dashoffset: 48; }
.is-celebrate .fi-check path { animation: fi-draw .9s .35s var(--ease) forwards; }
.is-celebrate .fi-check circle { animation: fi-pop .8s var(--ease) both; transform-origin: 50% 50%; }
@keyframes fi-draw { to { stroke-dashoffset: 0; } }
@keyframes fi-pop { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }

@media (max-width: 560px) {
  .fi-stage { align-items: flex-start; padding-top: 2.6rem; }
  .fi-options { grid-template-columns: 1fr; }
  .fi-opt { min-height: 78px; padding: 1.1rem 1rem; }
  .fi-actions .fi-btn { width: 100%; }
  .fi-hint kbd { display: none; }
  .fi-form, .fi-stage > .fi-slide { padding: 0 18px; }
}
@media (prefers-reduced-motion: reduce) { .fi-slide, .fi-slide[data-state] { transition-duration: .01ms !important; filter: none !important; } }