/* ============================================================
   contact.css — estilos isolados com prefixo cf-
   Não conflita com nenhuma outra classe do projeto
============================================================ */

.cf-section {
    width: 100%;
    padding: 100px 24px;
    position: relative;
    overflow: hidden;
}

.cf-section::before,
.cf-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.cf-section::before {
    width: 500px;
    height: 500px;
    background: rgba(59, 130, 246, 0.08);
    top: -100px;
    left: -150px;
}

.cf-section::after {
    width: 400px;
    height: 400px;
    background: rgba(96, 165, 250, 0.05);
    bottom: -80px;
    right: -100px;
}

.cf-inner {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

/* ─── LEFT: INFO ─── */
.cf-info {
    padding-top: 8px;
}

.cf-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-light);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    padding: 6px 14px;
    margin-bottom: 28px;
}

.cf-heading {
    font-family: 'Syne', sans-serif;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.cf-heading span {
    color: transparent;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.cf-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 340px;
    margin-bottom: 48px;
}

.cf-info-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cf-info-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.cf-info-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-light);
}

.cf-info-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.cf-info-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.cf-info-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--border), transparent);
    margin: 4px 0 4px 19px;
}

/* ─── RIGHT: CARD ─── */
.cf-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.03),
        0 24px 64px rgba(0, 0, 0, 0.4),
        0 0 80px rgba(59, 130, 246, 0.04);
}

.cf-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 36px;
    right: 36px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
    border-radius: 100px;
}

.cf-form-title {
    font-family: 'Syne', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.cf-form-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

/* ─── FIELDS ─── */
.cf-field-group {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 24px;
}

.cf-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.cf-field label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.cf-required {
    color: var(--accent);
    font-size: 14px;
    line-height: 1;
}

.cf-input-wrap {
    position: relative;
}

.cf-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition);
}

.cf-input-wrap:has(textarea) .cf-input-icon {
    top: 16px;
    transform: none;
}

.cf-field input,
.cf-field textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    padding: 12px 14px 12px 42px;
    transition:
        border-color var(--transition),
        background var(--transition),
        box-shadow var(--transition);
    outline: none;
    --webkit-appearance: none;
}

.cf-field textarea {
    resize: vertical;
    min-height: 120px;
    padding-top: 13px;
    line-height: 1.6;
}

.cf-field input::placeholder,
.cf-field textarea::placeholder {
    color: var(--text-muted);
}

.cf-field input:hover,
.cf-field textarea:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.cf-field input:focus,
.cf-field textarea:focus {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.04);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.cf-field:focus-within .cf-input-icon {
    color: var(--accent-light);
}

/* Validation states */
.cf-field.cf-error input,
.cf-field.cf-error textarea {
    border-color: #f87171;
    box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

.cf-field.cf-success input,
.cf-field.cf-success textarea {
    border-color: rgba(52, 211, 153, 0.4);
}

.cf-field-msg {
    font-size: 12px;
    min-height: 16px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.cf-field.cf-error .cf-field-msg {
    color: #f87171;
}

.cf-field.cf-success .cf-field-msg {
    color: #34d399;
}

.cf-char-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cf-char-count {
    font-size: 11px;
    color: var(--text-muted);
    transition: color var(--transition);
}

.cf-char-count.cf-near {
    color: #fb923c;
}

.cf-char-count.cf-limit {
    color: #f87171;
}

/* ─── BUTTON ─── */
.cf-btn-submit {
    width: 100%;
    padding: 14px 24px;
    background: var(--accent);
    color: #fff;
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.03em;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        background var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cf-btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

.cf-btn-submit:hover:not(:disabled) {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.cf-btn-submit:hover:not(:disabled)::before {
    opacity: 1;
}

.cf-btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.cf-btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cf-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: cf-spin 0.7s linear infinite;
    display: none;
}

.cf-btn-submit.cf-loading .cf-btn-text {
    display: none;
}

.cf-btn-submit.cf-loading .cf-spinner {
    display: block;
}

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

/* ─── TOAST ─── */
.cf-toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-size: 13px;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 300ms ease, transform 300ms ease;
    pointer-events: none;
}

.cf-toast.cf-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.cf-toast.cf-success {
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid rgba(52, 211, 153, 0.2);
    color: #34d399;
}

.cf-toast.cf-error {
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.2);
    color: #f87171;
}

.cf-toast-icon {
    flex-shrink: 0;
    margin-top: 1px;
}

.cf-toast-msg strong {
    display: block;
    margin-bottom: 2px;
}

.cf-toast-msg span {
    color: var(--text-secondary);
    font-size: 12px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
    .cf-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .cf-desc {
        max-width: 100%;
    }
}