/* Site forms — newsletter + contact (page builder + footer) */

.sf-form {
    --sf-radius: var(--radius-lg, 18px);
    --sf-border: var(--border);
    --sf-surface: var(--card-bg);
    --sf-bg: var(--bg-primary);
    --sf-bg-soft: var(--bg-secondary);
    --sf-shadow: var(--shadow-md);
    --sf-accent: var(--accent);
    --sf-accent-soft: var(--accent-soft);
    --sf-success: #059669;
    --sf-error: #dc2626;
    position: relative;
    width: 100%;
}

.sf-form--align-center { text-align: center; }
.sf-form--align-center .sf-form__row,
.sf-form--align-center .sf-form__actions { justify-content: center; }
.sf-form--align-left { text-align: left; }

.sf-form__surface {
    position: relative;
    border: 1px solid color-mix(in srgb, var(--sf-border) 90%, transparent);
    border-radius: var(--sf-radius);
    background: var(--sf-surface);
    box-shadow: var(--sf-shadow);
    padding: clamp(1.2rem, 2.4vw, 1.85rem);
    overflow: hidden;
}

.sf-form__surface::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--sf-accent),
        color-mix(in srgb, var(--sf-accent) 20%, transparent)
    );
    opacity: 0.85;
}

.sf-form__intro {
    min-width: 0;
    margin-bottom: 1rem;
}

.sf-form__eyebrow {
    margin: 0 0 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--sf-accent);
}

.sf-form__title {
    margin: 0 0 0.35rem;
    font-size: clamp(1.2rem, 2.1vw, 1.55rem);
    line-height: 1.35;
    color: var(--text-primary);
}

.sf-form__lead {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 40rem;
}

/* Newsletter: email + submit as one compose strip */
.sf-newsletter__fields {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
}

.sf-newsletter__label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sf-newsletter__compose {
    display: flex;
    align-items: stretch;
    gap: 0.4rem;
    min-width: 0;
}

.sf-newsletter__compose .sf-field__control {
    flex: 1 1 auto;
    min-width: 0;
}

.sf-newsletter__compose .sf-form__submit {
    flex: 0 0 auto;
    align-self: stretch;
    min-width: 6.75rem;
    min-height: 0;
    padding-inline: 1.15rem;
}

.sf-form--align-center .sf-form__lead { margin-inline: auto; }

.sf-form__body { margin: 0; min-width: 0; }

.sf-form__trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.sf-form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem 1rem;
}

.sf-field--full { grid-column: 1 / -1; }
.sf-field--grow { flex: 1 1 220px; min-width: 0; }

.sf-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
    text-align: start;
}

.sf-field__label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sf-field__control {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    border: 1px solid color-mix(in srgb, var(--sf-border) 92%, transparent);
    border-radius: var(--radius-md, 12px);
    background: color-mix(in srgb, var(--sf-bg) 70%, var(--sf-surface) 30%);
    padding: 0.1rem 0.85rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.sf-field__control:focus-within {
    border-color: color-mix(in srgb, var(--sf-accent) 55%, var(--border));
    box-shadow: 0 0 0 3px var(--sf-accent-soft);
    background: var(--sf-bg);
}

.sf-field__icon {
    width: 1.05rem;
    height: 1.05rem;
    flex: 0 0 auto;
    color: var(--text-secondary);
    opacity: 0.75;
}

.sf-field__control input,
.sf-field__control textarea {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    padding: 0.68rem 0;
    outline: none;
    resize: vertical;
}

.sf-field__control textarea {
    min-height: 6.5rem;
    line-height: 1.7;
}

.sf-form__row {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.75rem;
}

.sf-form__actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 1rem;
}

.sf-form--align-center .sf-form__actions { justify-content: center; }

.sf-form__submit {
    position: relative;
    min-width: 9rem;
    min-height: 2.75rem;
    border-radius: var(--radius-md, 12px);
    font-weight: 700;
    transition: transform 0.15s ease, opacity 0.2s ease;
}

.sf-form__submit:disabled {
    opacity: 0.72;
    cursor: wait;
}

.sf-form__submit-spinner {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    border: 2px solid color-mix(in srgb, currentColor 25%, transparent);
    border-top-color: currentColor;
    animation: sf-spin 0.7s linear infinite;
}

.sf-form__submit.is-loading .sf-form__submit-text { opacity: 0; }
.sf-form__submit.is-loading .sf-form__submit-spinner { display: block !important; }

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

.sf-form__note {
    margin: 0.75rem 0 0;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.sf-form__feedback {
    margin-top: 0.85rem;
    padding: 0.75rem 0.9rem;
    border-radius: var(--radius-md, 12px);
    font-size: 0.9rem;
    line-height: 1.65;
    text-align: start;
}

.sf-form__feedback.is-success {
    background: color-mix(in srgb, var(--sf-success) 12%, transparent);
    color: color-mix(in srgb, var(--sf-success) 82%, var(--text-primary));
    border: 1px solid color-mix(in srgb, var(--sf-success) 28%, transparent);
}

.sf-form__feedback.is-error {
    background: color-mix(in srgb, var(--sf-error) 10%, transparent);
    color: color-mix(in srgb, var(--sf-error) 78%, var(--text-primary));
    border: 1px solid color-mix(in srgb, var(--sf-error) 24%, transparent);
}

/* Newsletter variants */
.sf-newsletter--inline .sf-form__surface {
    padding: 1rem 1.1rem;
    box-shadow: none;
    background: color-mix(in srgb, var(--sf-surface) 94%, var(--sf-bg) 6%);
}

.sf-newsletter--inline .sf-form__intro { margin-bottom: 0.75rem; }
.sf-newsletter--inline .sf-form__title { font-size: 1.05rem; }
.sf-newsletter--inline .sf-form__lead { font-size: 0.92rem; }

/* Plain / open — no card surface, theme-aware (also legacy --minimal) */
.sf-newsletter--plain .sf-form__surface,
.sf-newsletter--minimal .sf-form__surface,
.sf-contact--plain .sf-form__surface {
    border: 0;
    box-shadow: none;
    background: transparent;
    padding: 0;
    overflow: visible;
}

.sf-newsletter--plain .sf-form__surface::before,
.sf-newsletter--minimal .sf-form__surface::before,
.sf-contact--plain .sf-form__surface::before {
    display: none;
}

.sf-newsletter--plain .sf-form__intro,
.sf-newsletter--minimal .sf-form__intro {
    margin-bottom: 1.05rem;
}

.sf-newsletter--plain .sf-form__eyebrow,
.sf-newsletter--minimal .sf-form__eyebrow,
.sf-contact--plain .sf-form__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
    padding: 0.22rem 0.55rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--sf-accent) 12%, transparent);
    color: var(--sf-accent);
    font-size: 0.74rem;
    letter-spacing: 0.03em;
}

.sf-newsletter--plain .sf-form__title,
.sf-newsletter--minimal .sf-form__title,
.sf-contact--plain .sf-form__title {
    margin-bottom: 0.3rem;
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    letter-spacing: -0.01em;
}

.sf-newsletter--plain .sf-form__title:not(:has(+ .sf-form__lead))::after,
.sf-newsletter--minimal .sf-form__title:not(:has(+ .sf-form__lead))::after,
.sf-contact--plain .sf-form__title:not(:has(+ .sf-form__lead))::after {
    content: "";
    display: block;
    width: 2.25rem;
    height: 2px;
    margin-top: 0.65rem;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        var(--sf-accent),
        color-mix(in srgb, var(--sf-accent) 10%, transparent)
    );
}

.sf-form--align-center.sf-newsletter--plain .sf-form__title::after,
.sf-form--align-center.sf-newsletter--minimal .sf-form__title::after,
.sf-form--align-center.sf-contact--plain .sf-form__title::after,
.sf-form--align-center.sf-newsletter--plain .sf-form__eyebrow,
.sf-form--align-center.sf-newsletter--minimal .sf-form__eyebrow,
.sf-form--align-center.sf-contact--plain .sf-form__eyebrow {
    margin-inline: auto;
}

.sf-newsletter--plain .sf-form__lead,
.sf-newsletter--minimal .sf-form__lead,
.sf-contact--plain .sf-form__lead {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--text-muted, var(--text-secondary));
}

/* Hide redundant "ایمیل" label — placeholder + title cover it; keep for a11y */
.sf-newsletter--plain .sf-newsletter__label,
.sf-newsletter--minimal .sf-newsletter__label,
.sf-newsletter--inline .sf-newsletter__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Unified compose bar: input + button feel like one control */
.sf-newsletter--plain .sf-newsletter__compose,
.sf-newsletter--minimal .sf-newsletter__compose {
    gap: 0;
    padding: 0.28rem;
    border-radius: calc(var(--radius-md, 12px) + 2px);
    border: 1px solid color-mix(in srgb, var(--sf-border) 78%, transparent);
    background: color-mix(in srgb, var(--text-primary) 4.5%, transparent);
    backdrop-filter: blur(6px);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.sf-newsletter--plain .sf-newsletter__compose:focus-within,
.sf-newsletter--minimal .sf-newsletter__compose:focus-within {
    background: color-mix(in srgb, var(--sf-accent) 6%, transparent);
    border-color: color-mix(in srgb, var(--sf-accent) 50%, var(--sf-border));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sf-accent) 16%, transparent);
}

.sf-newsletter--plain .sf-newsletter__compose .sf-field__control,
.sf-newsletter--minimal .sf-newsletter__compose .sf-field__control {
    border: 0;
    background: transparent;
    box-shadow: none;
    border-radius: var(--radius-sm, 8px);
    padding-inline: 0.65rem;
}

.sf-newsletter--plain .sf-newsletter__compose .sf-field__control:focus-within,
.sf-newsletter--minimal .sf-newsletter__compose .sf-field__control:focus-within {
    box-shadow: none;
    background: transparent;
}

.sf-newsletter--plain .sf-newsletter__compose .sf-form__submit,
.sf-newsletter--minimal .sf-newsletter__compose .sf-form__submit {
    min-width: 5.75rem;
    padding-inline: 1.05rem;
    border-radius: var(--radius-sm, 8px);
    font-size: 0.88rem;
}

.sf-newsletter--plain .sf-field__control,
.sf-newsletter--minimal .sf-field__control,
.sf-contact--plain .sf-field__control {
    background: color-mix(in srgb, var(--text-primary) 4.5%, transparent);
    border-color: color-mix(in srgb, var(--sf-border) 78%, transparent);
    backdrop-filter: blur(6px);
}

.sf-newsletter--plain .sf-field__control:focus-within,
.sf-newsletter--minimal .sf-field__control:focus-within,
.sf-contact--plain .sf-field__control:focus-within {
    background: color-mix(in srgb, var(--sf-accent) 6%, transparent);
    border-color: color-mix(in srgb, var(--sf-accent) 50%, var(--sf-border));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sf-accent) 16%, transparent);
}

.sf-newsletter--plain .sf-form__note,
.sf-newsletter--minimal .sf-form__note {
    margin-top: 0.55rem;
    opacity: 0.85;
}

.sf-newsletter--card .sf-form__intro {
    margin-bottom: 1.05rem;
}

.sf-newsletter--card .sf-newsletter__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sf-newsletter--card .sf-newsletter__compose {
    gap: 0.45rem;
}

.sf-newsletter--inline .sf-newsletter__compose {
    gap: 0;
    padding: 0.22rem;
    border-radius: calc(var(--radius-md, 12px) + 2px);
    border: 1px solid color-mix(in srgb, var(--sf-border) 88%, transparent);
    background: color-mix(in srgb, var(--sf-bg) 70%, var(--sf-surface) 30%);
}

.sf-newsletter--inline .sf-newsletter__compose .sf-field__control {
    border: 0;
    background: transparent;
    box-shadow: none;
}

.sf-newsletter--inline .sf-newsletter__compose .sf-form__submit {
    min-width: 5.5rem;
    border-radius: var(--radius-sm, 8px);
}

.sf-contact--plain .sf-form__intro {
    margin-bottom: 1.1rem;
}

.sf-contact--plain .sf-form__grid {
    gap: 0.75rem 0.9rem;
}

.sf-contact--plain .sf-form__actions {
    margin-top: 1.05rem;
}

.sf-contact--plain .sf-form__feedback.is-success,
.sf-contact--plain .sf-form__feedback.is-error,
.sf-newsletter--plain .sf-form__feedback.is-success,
.sf-newsletter--plain .sf-form__feedback.is-error,
.sf-newsletter--minimal .sf-form__feedback.is-success,
.sf-newsletter--minimal .sf-form__feedback.is-error {
    backdrop-filter: blur(8px);
}

/* Contact — card: centered, no dead side space */
.sf-contact--card {
    max-width: 40rem;
    margin-inline: auto;
}

.sf-contact--card .sf-form__lead {
    max-width: none;
}

.sf-contact--card .sf-form__intro {
    margin-bottom: 1.15rem;
}

/* Contact — split: full-width two columns */
.sf-contact--split {
    max-width: none;
    width: 100%;
}

.sf-contact--split .sf-form__surface {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.35rem;
    padding: clamp(1.25rem, 2.8vw, 2.1rem);
    background:
        linear-gradient(
            145deg,
            color-mix(in srgb, var(--sf-accent) 7%, var(--sf-surface)) 0%,
            var(--sf-surface) 42%,
            var(--sf-surface) 100%
        );
}

.sf-contact--split .sf-form__body {
    background: color-mix(in srgb, var(--sf-bg) 55%, var(--sf-surface) 45%);
    border: 1px solid color-mix(in srgb, var(--sf-border) 88%, transparent);
    border-radius: calc(var(--sf-radius) - 4px);
    padding: 1.1rem 1.05rem 1.15rem;
}

.sf-contact--split .sf-form__lead {
    margin-bottom: 0;
    max-width: 28rem;
}

.sf-contact--split .sf-form__actions {
    margin-top: 0.95rem;
}

.sf-contact--split .sf-form__submit {
    width: auto;
    min-width: 10rem;
}

@media (min-width: 860px) {
    .sf-contact--split .sf-form__surface {
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
        gap: 0 2.25rem;
        align-items: stretch;
    }

    .sf-contact--split .sf-form__intro {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding-block: 0.35rem;
        padding-inline-end: 2rem;
        border-inline-end: 1px solid color-mix(in srgb, var(--sf-border) 80%, transparent);
    }

    .sf-contact--split .sf-form__body {
        align-self: center;
    }
}

/* Footer context — card/inline keep soft surface; plain stays open */
.site-footer__col .sf-form:not(.sf-newsletter--plain):not(.sf-newsletter--minimal):not(.sf-contact--plain) .sf-form__surface {
    box-shadow: none;
    background: color-mix(in srgb, var(--sf-surface) 90%, transparent);
}

.site-footer__col .sf-newsletter--plain .sf-form__surface,
.site-footer__col .sf-newsletter--minimal .sf-form__surface,
.site-footer__col .sf-contact--plain .sf-form__surface {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
}

.site-footer__col .sf-form__title { font-size: 1.08rem; }
.site-footer__col .sf-form__lead { font-size: 0.88rem; }

.site-footer__col .sf-contact--card,
.site-footer__col .sf-contact--split,
.site-footer__col .sf-contact--plain {
    max-width: none;
    margin-inline: 0;
}

.site-footer__col .sf-contact--split .sf-form__surface {
    display: block;
    background: color-mix(in srgb, var(--sf-surface) 90%, transparent);
}

.site-footer__col .sf-contact--split .sf-form__intro {
    border: 0;
    padding: 0;
    margin-bottom: 0.85rem;
}

.site-footer__col .sf-contact--split .sf-form__body {
    background: transparent;
    border: 0;
    padding: 0;
}

.site-footer__col .sf-form__intro {
    margin-bottom: 0.9rem;
}

.site-footer__col .sf-newsletter--plain .sf-newsletter__compose .sf-form__submit,
.site-footer__col .sf-newsletter--minimal .sf-newsletter__compose .sf-form__submit {
    min-width: 5.25rem;
    padding-inline: 0.9rem;
}

/* Page builder context */
.pb-section .sf-newsletter {
    max-width: 40rem;
}

.pb-section .sf-newsletter.sf-form--align-center,
.pb-section .sf-newsletter.sf-form--align-right,
.pb-section .sf-newsletter.sf-form--align-left {
    margin-inline: auto;
}

.pb-section .sf-newsletter--plain,
.pb-section .sf-newsletter--minimal {
    max-width: 36rem;
}

.pb-section .sf-contact--split {
    max-width: none;
}

.pb-section .sf-contact--plain {
    max-width: 40rem;
}

@media (max-width: 640px) {
    .sf-form__grid { grid-template-columns: 1fr; }
    .sf-form__row { flex-direction: column; }
    .sf-form__submit { width: 100%; }
    .sf-contact--split .sf-form__submit { width: 100%; }

    .sf-newsletter__compose {
        flex-direction: column;
        gap: 0.45rem;
    }

    .sf-newsletter--plain .sf-newsletter__compose,
    .sf-newsletter--minimal .sf-newsletter__compose {
        padding: 0.35rem;
        gap: 0.35rem;
    }

    .sf-newsletter__compose .sf-form__submit,
    .sf-newsletter--plain .sf-newsletter__compose .sf-form__submit,
    .sf-newsletter--minimal .sf-newsletter__compose .sf-form__submit {
        width: 100%;
        min-height: 2.6rem;
    }
}