/* ============================================================
   RUSHINGWIND · Formulario de contribución
   Sistema visual tomado de rushingwind.app (tokens, tipografía, botones)
   ============================================================ */

/* ---------- Fuentes de marca ----------
   NOTA: los .otf de Roc Grotesk provienen de rushingwind.app y son versiones DEMO:
   dígitos y signos muestran un glifo "DEMO". Por eso se limita su unicode-range a letras
   y puntuación básica; el resto cae en Inter. Sustituye los archivos por la licencia
   completa y elimina el unicode-range si lo deseas. */
@font-face { font-family: "Arame"; src: url("../assets/fonts/arame-regular.ttf") format("truetype"); font-weight: 400 800; font-display: swap; }
@font-face { font-family: "Roc Grotesk"; src: url("../assets/fonts/roc-grotesk-regular.otf") format("opentype"); font-weight: 400; unicode-range: U+0020, U+002C, U+002E, U+003A-003B, U+003F, U+0041-005A, U+0061-007A; font-display: swap; }
@font-face { font-family: "Roc Grotesk"; src: url("../assets/fonts/roc-grotesk-medium.otf") format("opentype"); font-weight: 500; unicode-range: U+0020, U+002C, U+002E, U+003A-003B, U+003F, U+0041-005A, U+0061-007A; font-display: swap; }
@font-face { font-family: "Roc Grotesk"; src: url("../assets/fonts/roc-grotesk-bold.otf") format("opentype"); font-weight: 600 700; unicode-range: U+0020, U+002C, U+002E, U+003A-003B, U+003F, U+0041-005A, U+0061-007A; font-display: swap; }
@font-face { font-family: "Roc Grotesk Extrawide"; src: url("../assets/fonts/roc-extrawide-regular.otf") format("opentype"); font-weight: 400 500; unicode-range: U+0020, U+002C, U+002E, U+003A-003B, U+003F, U+0041-005A, U+0061-007A; font-display: swap; }
@font-face { font-family: "Roc Grotesk Extrawide"; src: url("../assets/fonts/roc-extrawide-bold.otf") format("opentype"); font-weight: 600 800; unicode-range: U+0020, U+002C, U+002E, U+003A-003B, U+003F, U+0041-005A, U+0061-007A; font-display: swap; }
@font-face { font-family: "Inter Variable"; src: url("../assets/fonts/inter-var-latin.woff2") format("woff2-variations"); font-weight: 100 900; font-display: swap; }

/* ---------- Tokens de marca ---------- */
:root {
  --brand-red: #f60938;
  --brand-blue: #3041df;
  --brand-white: #ffffff;
  --brand-grey: #cccccc;
  --brand-near-black: #1a1a1a;
  --brand-bone: #dfdedc;
  --brand-cool: #a2b6bf;
  --brand-warm-dark: #474143;
  --brand-black: #000000;

  --color-background: var(--brand-black);
  --color-surface: var(--brand-near-black);
  --color-surface-raised: #2c2829;
  --color-text: var(--brand-white);
  --color-muted: var(--brand-grey);
  --color-subtle: #939393;
  --color-primary: var(--brand-red);
  --color-primary-hover: #f73b5f;
  --color-primary-press: #ca072e;
  --color-on-primary: var(--brand-black);
  --color-border: rgba(255, 255, 255, 0.14);
  --color-border-strong: rgba(255, 255, 255, 0.30);
  --color-error: #ff4d4d;
  --color-primary-tint: rgba(246, 9, 56, 0.10);
  --color-primary-tint-strong: rgba(246, 9, 56, 0.20);

  --font-display: "Roc Grotesk", "Inter Variable", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-display-wide: "Arame", "Roc Grotesk Extrawide", "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-brand: "Roc Grotesk Extrawide", "Inter Variable", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter Variable", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --step--2: clamp(.69rem, .67rem + .11vw, .75rem);
  --step--1: clamp(.81rem, .78rem + .15vw, .89rem);
  --step-0: clamp(.94rem, .9rem + .2vw, 1.06rem);
  --step-1: clamp(1.13rem, 1.05rem + .38vw, 1.38rem);
  --step-3: clamp(1.62rem, 1.38rem + 1.17vw, 2.34rem);
  --display-sm: clamp(2.1rem, 1.3rem + 4vw, 3.6rem);

  --radius-sm: 2px;
  --radius-md: 4px;
  --tap: 44px;
  --dur-fast: .16s;
  --dur-base: .32s;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-emphasis: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  min-height: 100svh;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: clamp(1rem, 4vw, 3rem) clamp(1rem, 4vw, 2rem);
  padding-top: calc(clamp(1rem, 4vw, 3rem) + env(safe-area-inset-top, 0px));
  padding-bottom: calc(clamp(1rem, 4vw, 3rem) + env(safe-area-inset-bottom, 0px));
  position: relative;
}
/* Textura de fondo: rejilla sutil con halo rojo, en la línea del sitio principal */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 40rem at 50% -10%, rgba(246, 9, 56, .18), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 48px);
  pointer-events: none;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--color-primary); color: var(--color-on-primary); }
:focus-visible {
  outline: 2px solid var(--brand-white);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 5px rgba(246, 9, 56, .78);
}
[hidden] { display: none !important; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ---------- Tipografía de marca ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--step--1); letter-spacing: .16em; text-transform: uppercase;
  color: var(--color-muted);
}
.eyebrow::before { content: ""; inline-size: 1.75rem; block-size: 2px; background: var(--color-primary); flex: none; }
.display {
  font-family: var(--font-display-wide); font-weight: 700;
  line-height: .92; letter-spacing: -.02em; text-transform: uppercase;
  text-wrap: balance; overflow-wrap: break-word;
}
.meta {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--step--2); letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-subtle);
}

/* ---------- Contenedor ---------- */
.container {
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
  overflow: hidden;
}

/* ---------- Cabecera ---------- */
.header {
  position: relative;
  padding: clamp(1.5rem, 5vw, 2.5rem) clamp(1.25rem, 5vw, 2.5rem) clamp(1.75rem, 5vw, 2.5rem);
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  overflow: hidden;
}
.header::before {
  content: ""; position: absolute; inset-inline: 0; inset-block-start: 0;
  block-size: 3px; background: var(--color-primary);
}
.header::after {
  /* patrón de alas en marca de agua */
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: url("../assets/favicon.svg") no-repeat center 30% / 140% auto;
  opacity: .06;
}
.header > * { position: relative; z-index: 1; }

.lang-selector {
  display: inline-flex; align-items: center; gap: .15rem;
  position: absolute; top: .9rem; right: .9rem; z-index: 2;
}
.lang-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-inline-size: 2.4rem; min-block-size: 2rem; padding: 0 .35rem;
  background: none; border: 0; cursor: pointer;
  font-family: var(--font-display); font-weight: 700; font-size: var(--step--1);
  letter-spacing: .12em; text-transform: uppercase; color: var(--color-subtle);
  transition: color var(--dur-fast) var(--ease-out);
}
.lang-btn + .lang-btn { position: relative; }
.lang-btn + .lang-btn::before {
  content: ""; position: absolute; inset-inline-start: -.125rem; inline-size: 3px; block-size: 3px;
  background: var(--color-border-strong); rotate: 45deg;
}
.lang-btn:hover { color: var(--color-text); }
.lang-btn.is-active { color: var(--color-primary); }

.logo { inline-size: clamp(9rem, 32vw, 12.5rem); margin: 1.6rem auto 1.1rem; }
.logo img { inline-size: 100%; block-size: auto; }
.header .eyebrow { justify-content: center; margin-bottom: .6rem; }
.header h1 { font-size: var(--display-sm); }
.header .lede {
  margin: 1rem auto 0; max-width: 40ch;
  font-size: var(--step--1); line-height: 1.55; color: var(--color-muted); text-wrap: pretty;
}

/* ---------- Formulario ---------- */
.form-container { padding: clamp(1.25rem, 5vw, 2rem) clamp(1.25rem, 5vw, 2.5rem) clamp(1.5rem, 5vw, 2.5rem); }
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: flex; align-items: baseline; gap: .4em; margin-bottom: .55rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--step--1);
  letter-spacing: .1em; text-transform: uppercase; color: var(--color-text);
}
.required { color: var(--color-primary); }

.form-input,
.phone-wrapper select,
.phone-wrapper input {
  width: 100%; min-block-size: var(--tap);
  padding: .7rem 1rem;
  background: var(--color-background);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 1rem; line-height: 1.4;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.form-input::placeholder, .phone-wrapper input::placeholder { color: var(--color-subtle); }
.form-input:focus, .phone-wrapper select:focus, .phone-wrapper input:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-tint-strong);
}
.form-input:user-invalid { border-color: var(--color-error); }
select.form-input, .phone-wrapper select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23f60938' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat; background-position: right .9rem center;
  padding-right: 2.4rem;
}
select.form-input option, .phone-wrapper select option { background: var(--color-surface); color: var(--color-text); }

.phone-wrapper { display: flex; gap: .5rem; }
.phone-wrapper select { width: 8.5rem; flex-shrink: 0; padding-left: .7rem; font-size: .95rem; }
.phone-wrapper input { flex: 1; min-width: 0; }

/* Opciones de monto */
.radio-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
.radio-option {
  display: flex; align-items: center; gap: .75rem;
  min-block-size: var(--tap); padding: .75rem 1rem;
  background: var(--color-background);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.radio-option:hover { border-color: var(--color-primary); background: var(--color-primary-tint); }
.radio-option.selected { border-color: var(--color-primary); background: var(--color-primary-tint-strong); }
.radio-option--full { grid-column: 1 / -1; }
.radio-option input[type="radio"] {
  appearance: none; -webkit-appearance: none; flex: none;
  inline-size: 1.05rem; block-size: 1.05rem; margin: 0;
  border: 2px solid var(--color-border-strong); border-radius: 50%;
  display: grid; place-content: center; cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.radio-option input[type="radio"]::before {
  content: ""; inline-size: .5rem; block-size: .5rem; border-radius: 50%;
  background: var(--color-primary); scale: 0; transition: scale var(--dur-fast) var(--ease-out);
}
.radio-option input[type="radio"]:checked { border-color: var(--color-primary); }
.radio-option input[type="radio"]:checked::before { scale: 1; }
.radio-option label {
  flex: 1; cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-0); letter-spacing: .02em;
}
.custom-amount { display: none; margin-top: .75rem; }
.custom-amount.show { display: block; }
.custom-amount .input-adorned { position: relative; }
.custom-amount .input-adorned .adorn {
  position: absolute; inset-block: 0; inset-inline-start: 1rem; display: flex; align-items: center;
  font-family: var(--font-display); font-weight: 700; color: var(--color-primary); pointer-events: none;
}
.custom-amount .input-adorned input { padding-left: 2.2rem; }
/* ocultar spinners */
input[type="number"]::-webkit-outer-spin-button, input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

/* Tarjetas de opción (pago único / cubrir comisiones) */
.option-card {
  background: rgba(246, 9, 56, .04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  transition: border-color var(--dur-base) var(--ease-out);
}
.option-card:has(input:checked) { border-color: rgba(246, 9, 56, .55); }
.option-card label { display: flex; align-items: flex-start; gap: .8rem; cursor: pointer; margin: 0; }
.option-card input[type="checkbox"] {
  appearance: none; -webkit-appearance: none; flex: none; margin-top: .15rem;
  inline-size: 1.25rem; block-size: 1.25rem;
  border: 2px solid var(--color-border-strong); border-radius: var(--radius-sm);
  background: var(--color-background); cursor: pointer; display: grid; place-content: center;
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.option-card input[type="checkbox"]::before {
  content: ""; inline-size: .65rem; block-size: .65rem;
  background: var(--color-on-primary);
  clip-path: polygon(14% 44%, 0 62%, 40% 100%, 100% 22%, 84% 8%, 40% 66%);
  scale: 0; transition: scale var(--dur-fast) var(--ease-out);
}
.option-card input[type="checkbox"]:checked { border-color: var(--color-primary); background: var(--color-primary); }
.option-card input[type="checkbox"]:checked::before { scale: 1; }
.option-card .option-text { font-size: .95rem; line-height: 1.5; }
.option-card .option-text strong {
  display: block; font-family: var(--font-display); font-weight: 600; font-size: var(--step-0);
  letter-spacing: .02em; margin-bottom: .15rem;
}
.option-card .option-text small { display: block; color: var(--color-muted); font-size: .84rem; }
.fee-summary {
  display: none; margin-top: .55rem;
  font-family: var(--font-display); font-weight: 600; font-size: .9rem; letter-spacing: .02em;
  color: var(--color-primary);
}
.fee-summary.show { display: block; }

/* Aviso informativo */
.info-message {
  display: flex; align-items: flex-start; gap: .65rem;
  background: var(--color-primary-tint); border: 1px solid var(--color-primary);
  border-left-width: 3px; border-radius: var(--radius-sm);
  padding: .9rem 1rem;
  font-size: .9rem; line-height: 1.5; color: var(--color-muted);
}
.info-message svg { flex: none; inline-size: 1.15rem; block-size: 1.15rem; color: var(--color-primary); margin-top: .1rem; }
.info-message strong { color: var(--color-text); }

/* Error */
.error-message {
  display: none; margin-bottom: 1rem; padding: .8rem 1rem;
  background: rgba(255, 77, 77, .1); border: 1px solid var(--color-error); border-radius: var(--radius-sm);
  color: var(--color-error); font-size: .92rem;
}
.error-message.show { display: block; }

/* ---------- Botón principal (estilo .btn de rushingwind) ---------- */
.submit-btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: space-between; gap: .9rem;
  width: 100%; min-block-size: 3.25rem; margin-top: .5rem;
  padding: .9rem 1.4rem;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-on-primary);
  font-family: var(--font-display); font-weight: 700; font-size: var(--step--1);
  letter-spacing: .08em; text-transform: uppercase; text-align: left;
  cursor: pointer;
  transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.submit-btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--brand-white); scale: 1 0; transform-origin: bottom center;
  transition: scale var(--dur-base) var(--ease-emphasis);
}
.submit-btn:hover:not(:disabled), .submit-btn:focus-visible { border-color: var(--brand-white); }
.submit-btn:hover:not(:disabled)::before, .submit-btn:focus-visible::before { scale: 1 1; transform-origin: top center; }
.submit-btn:active:not(:disabled) { transform: scale(.985); }
.submit-btn .btn__arrow { inline-size: 1.05em; flex: none; transition: translate var(--dur-base) var(--ease-out); }
.submit-btn:hover:not(:disabled) .btn__arrow { translate: .3em 0; }
.submit-btn:disabled { background: var(--color-surface-raised); border-color: var(--color-surface-raised); color: var(--color-subtle); cursor: not-allowed; }

.secure-note {
  display: flex; align-items: center; justify-content: center; gap: .45rem;
  margin-top: .9rem; color: var(--color-subtle);
}
.secure-note svg { inline-size: .9rem; block-size: .9rem; }

/* ---------- Loading ---------- */
.loading { display: none; text-align: center; padding: 2rem 1rem; }
.loading.show { display: block; }
.spinner {
  inline-size: 2.25rem; block-size: 2.25rem; margin: 0 auto 1rem;
  border: 3px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%;
  animation: spin .9s linear infinite;
}
.loading p { font-family: var(--font-display); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: var(--step--1); color: var(--color-muted); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */
.footer {
  max-width: 640px; margin: 1.5rem auto 0;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1.25rem;
}
.footer .social { display: flex; gap: .25rem; }
.footer .social a {
  display: inline-grid; place-content: center; inline-size: 2.25rem; block-size: 2.25rem;
  color: var(--color-subtle); border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer .social a:hover { color: var(--color-primary); }
.footer .social svg { inline-size: 1.05rem; block-size: 1.05rem; }
.footer a.meta:hover { color: var(--color-text); }

/* ---------- Páginas de resultado ---------- */
.result { text-align: center; padding: clamp(2rem, 6vw, 3.5rem) clamp(1.25rem, 5vw, 2.5rem); }
.result .icon {
  inline-size: 4rem; block-size: 4rem; margin: 0 auto 1.25rem; display: grid; place-content: center;
  border: 2px solid var(--color-primary); border-radius: 50%; color: var(--color-primary);
}
.result .icon svg { inline-size: 1.9rem; block-size: 1.9rem; }
.result h1 { font-size: var(--step-3); margin-bottom: .75rem; }
.result p { color: var(--color-muted); max-width: 44ch; margin: 0 auto .6rem; }
.result .actions { display: flex; flex-direction: column; gap: .6rem; margin-top: 1.75rem; }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-block-size: var(--tap); padding: .8rem 1.4rem;
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-display); font-weight: 700; font-size: var(--step--1);
  letter-spacing: .08em; text-transform: uppercase; color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-primary); color: var(--color-on-primary); }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .lang-selector { position: static; justify-content: center; margin-bottom: .25rem; }
  .radio-group { grid-template-columns: 1fr; }
  .phone-wrapper select { width: 7.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}