/**
 * forms.css — estilos del componente lead-form.
 *
 * Scope: NO scopea a `.en-preview` para que el form se pueda usar en cualquier
 * landing PHP que migres. Tu CSS de landing puede sobreescribir todo via
 * cascada (define `.lead-form--mi-landing { ... }` y mete tus reglas).
 *
 * Tipografía y colores se heredan de las variables del manual (design-tokens).
 * Si tu landing no las define, hay fallbacks razonables.
 *
 * @package astra-child
 * @since   2026-04-29
 */

.lead-form {
    --lf-bg:        var(--bl, #ffffff);
    --lf-text:      var(--ne, #161616);
    --lf-border:    #d1d5db;
    --lf-focus:     var(--am, #FFED00);
    --lf-error:     #dc2626;
    --lf-success:   #16a34a;
    --lf-radius:    0;
    --lf-gap:       1rem;
    --lf-font:      var(--fb, "Nunito"), system-ui, sans-serif;

    display: grid;
    grid-template-columns: 1fr;
    gap: var(--lf-gap);
    font-family: var(--lf-font);
    color: var(--lf-text);
    width: 100%;
    box-sizing: border-box;
}

/* Single-step (genérico): 2 cols en desktop. Multistep mantiene 1 col siempre. */
@media (min-width: 768px) {
    .lead-form:not(.lead-form--multistep) {
        grid-template-columns: 1fr 1fr;
        column-gap: 1.25rem;
    }
}

.lead-form__row { display: flex; flex-direction: column; gap: 0.35rem; }
.lead-form__row--full { grid-column: 1 / -1; }

.lead-form__intro { margin-bottom: 0.75rem; }

.lead-form__label {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.3;
}
.lead-form__label--centered { text-align: center; }

.lead-form__input,
.lead-form__textarea,
.lead-form__select {
    font: inherit;
    font-size: 1rem;
    color: var(--lf-text);
    background: var(--lf-bg);
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--lf-border);
    border-radius: var(--lf-radius);
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.15s ease;
    font-family: inherit;
}

.lead-form__input:focus,
.lead-form__textarea:focus,
.lead-form__select:focus {
    outline: 2px solid var(--lf-focus);
    outline-offset: 1px;
    border-color: transparent;
}

.lead-form__textarea { resize: vertical; min-height: 96px; }
.lead-form__select   { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 2rem; }

/* Estado inválido (validación cliente) */
.lead-form__input.is-invalid,
.lead-form__textarea.is-invalid,
.lead-form__select.is-invalid {
    border-color: var(--lf-error);
    outline: 2px solid var(--lf-error);
    outline-offset: 1px;
}

.lead-form__file { font: inherit; font-size: 0.95rem; padding: 0.5rem 0; }
.lead-form__file--hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0,0,0,0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Honeypot */
.lead-form__hp {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Consent */
.lead-form__row--consent { margin-top: 0.25rem; }
.lead-form__consent {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.875rem;
    line-height: 1.4;
    cursor: pointer;
}
.lead-form__consent input[type="checkbox"] {
    margin-top: 0.2rem;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
}
.lead-form__consent a { text-decoration: underline; }

/* Submit */
.lead-form__row--submit { margin-top: 0.5rem; display: flex; gap: 0.6rem; align-items: stretch; }
.lead-form__submit {
    font: inherit;
    font-family: var(--ft, "Raleway"), var(--lf-font);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--am, #FFED00);
    color: var(--ne, #161616);
    border: 0;
    border-radius: var(--lf-radius);
    padding: 0.95rem 1.6rem;
    min-height: 48px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    flex: 1 1 auto;
    transition: filter 0.15s ease;
}
.lead-form__submit:hover { filter: brightness(0.95); }
.lead-form__submit:disabled { opacity: 0.7; cursor: progress; }

@media (min-width: 768px) {
    .lead-form:not(.lead-form--multistep) .lead-form__submit { flex: 0 0 auto; min-width: 240px; }
}

/* Spinner */
.lead-form__spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: lead-form-spin 0.8s linear infinite;
}
.lead-form.is-submitting .lead-form__spinner { display: inline-block; }
.lead-form.is-submitting .lead-form__submit-label { opacity: 0.85; }

@keyframes lead-form-spin { to { transform: rotate(360deg); } }

/* Feedback */
.lead-form__feedback {
    grid-column: 1 / -1;
    font-size: 0.92rem;
    min-height: 1.4em;
    line-height: 1.4;
}
.lead-form__feedback--pending { color: var(--lf-text); opacity: 0.75; }
.lead-form__feedback--success { color: var(--lf-success); font-weight: 600; }
.lead-form__feedback--error   { color: var(--lf-error);   font-weight: 600; }

/* ── MULTISTEP ────────────────────────────────────────────────────────── */

.lead-form--multistep .lead-form__step {
    display: contents;          /* fields participan del grid del form */
}
.lead-form--multistep.is-step-1 [data-step="2"],
.lead-form--multistep.is-step-2 [data-step="1"] {
    display: none;
}

.lead-form__header {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.lead-form__header > * { margin: 0; }

.lead-form__progress {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.25rem;
}
.lead-form__progress-text {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lf-text);
    opacity: 0.65;
}
.lead-form__progress-bar {
    display: block;
    width: 100%;
    height: 4px;
    background: rgba(0,0,0,0.08);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}
.lead-form__progress-fill {
    display: block;
    height: 100%;
    width: 50%;
    background: var(--am, #FFED00);
    transition: width 0.35s ease;
}

/* Step nav */
.lead-form__row--nav {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.25rem;
}
.lead-form__btn {
    font: inherit;
    font-family: var(--ft, "Raleway"), var(--lf-font);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border: 0;
    border-radius: var(--lf-radius);
    padding: 0.85rem 1.4rem;
    min-height: 48px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: filter 0.15s ease, background 0.15s ease;
}
.lead-form__btn--primary {
    background: var(--am, #FFED00);
    color: var(--ne, #161616);
    width: 100%;
}
.lead-form__btn--primary:hover { filter: brightness(0.95); }
.lead-form__btn--ghost {
    background: transparent;
    color: var(--lf-text);
    border: 2px solid rgba(0,0,0,0.18);
    flex: 0 0 auto;
}
.lead-form__btn--ghost:hover { border-color: var(--lf-text); }
.lead-form__btn-arrow { display: inline-block; transform: translateY(-1px); }

.lead-form__nav-hint {
    margin: 0;
    font-size: 0.78rem;
    color: var(--lf-text);
    opacity: 0.7;
    text-align: center;
}

.lead-form__microcopy {
    grid-column: 1 / -1;
    margin: 0.4rem 0 0;
    font-size: 0.78rem;
    color: var(--lf-text);
    opacity: 0.7;
    text-align: center;
}

/* ── DROPZONE ─────────────────────────────────────────────────────────── */

.lead-form__dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 1.4rem 1rem;
    min-height: 140px;
    border: 2px dashed rgba(0,0,0,0.22);
    border-radius: var(--lf-radius);
    background: rgba(0,0,0,0.025);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.05s ease;
    position: relative;
}
.lead-form__dropzone:hover,
.lead-form__dropzone:focus-within {
    border-color: var(--am, #FFED00);
    background: rgba(255,237,0,0.06);
}
.lead-form__dropzone.is-dragover {
    border-color: var(--am, #FFED00);
    background: rgba(255,237,0,0.14);
    transform: scale(0.995);
}
.lead-form__dropzone.has-files {
    min-height: 96px;
    padding: 1rem;
}
.lead-form__dropzone-icon {
    color: var(--ne, #161616);
    opacity: 0.55;
    line-height: 0;
}
.lead-form__dropzone.is-dragover .lead-form__dropzone-icon { opacity: 1; }
.lead-form__dropzone-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--lf-text);
}
.lead-form__dropzone-sub {
    font-size: 0.8rem;
    color: var(--lf-text);
    opacity: 0.7;
}

/* File chips */
.lead-form__files {
    list-style: none;
    margin: 0.5rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    grid-column: 1 / -1;
}
.lead-form__file-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.7rem;
    background: rgba(0,0,0,0.04);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: var(--lf-radius);
    font-size: 0.85rem;
    line-height: 1.3;
}
.lead-form__file-chip-icon { flex-shrink: 0; }
.lead-form__file-chip-name {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
}
.lead-form__file-chip-size {
    flex-shrink: 0;
    color: var(--lf-text);
    opacity: 0.65;
}
.lead-form__file-chip-remove {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border: 0;
    background: transparent;
    color: var(--lf-text);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    border-radius: 50%;
    transition: background 0.15s ease;
}
.lead-form__file-chip-remove:hover { background: rgba(0,0,0,0.08); }

/* Estado success */
.lead-form.is-success > *:not(.lead-form__feedback) { display: none; }
.lead-form.is-success > .lead-form__feedback {
    grid-column: 1 / -1;
    padding: 1.2rem;
    border: 1px solid var(--lf-success);
    text-align: center;
    font-size: 1.05rem;
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .lead-form__progress-fill,
    .lead-form__dropzone,
    .lead-form__btn { transition: none; }
}

/* Marca de campo obligatorio (asterisco). aria-hidden en HTML — invisible a screen readers,
   que ya conocen el atributo `required`. */
.lead-form__required {
    color: var(--lf-error, #dc2626);
    margin-left: .15rem;
    font-weight: 700;
}