/* ============================================
   FOOTER — "Corporate Cool" Design 2b
   Newsletter bar + blue gradient footer
   ============================================ */

/* --- Pre-Footer CTA Banner --- */
.footer-cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-medium) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.footer-cta::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -5%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 136, 229, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.footer-cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 172, 193, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.footer-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.footer-cta__text h2 {
    font-size: 2.5rem;
    color: #FFFFFF;
    margin-bottom: 10px;
}

.footer-cta__text p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.55);
    max-width: 480px;
}

.footer-cta__actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

/* --- Newsletter Bar --- */
.footer-newsletter {
    background-color: var(--color-accent-blue);
    padding: 36px 0;
}

.footer-newsletter__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.footer-newsletter__text {
    flex-shrink: 0;
}

.footer-newsletter__text h4 {
    font-size: 1.15rem;
    color: #FFFFFF;
    font-weight: 700;
    margin-bottom: 2px;
}

.footer-newsletter__text p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-newsletter__form {
    display: flex;
    gap: 0;
    flex: 1;
    max-width: 480px;
}

.footer-newsletter__form input {
    flex: 1;
    padding: 14px 20px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: #FFFFFF;
    outline: none;
    transition: all var(--transition-base);
}

.footer-newsletter__form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter__form input:focus {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter__form button {
    padding: 14px 28px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background-color: var(--color-accent-gold);
    color: var(--color-primary-dark);
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.footer-newsletter__form button:hover {
    background-color: var(--color-accent-gold-dark);
}

/* --- Main Footer --- */
.site-footer {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-bg-dark) 100%);
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.footer-main {
    padding: 70px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 48px;
}

/* --- Footer Brand --- */
.footer-brand img {
    height: 44px;
    filter: brightness(0) invert(1);
    margin-bottom: 18px;
}

.footer-brand p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background-color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    color: #FFFFFF;
}

/* --- Footer Column Titles --- */
.footer-column-title {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    padding-bottom: 12px;
    position: relative;
}

.footer-column-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-teal));
    border-radius: 2px;
}

/* --- Footer Links --- */
.footer-links {
    padding-left: 0;
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links li a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-base);
}

.footer-links li a:hover {
    color: var(--color-accent-blue);
    padding-left: 6px;
}

/* --- Footer Contact --- */
.footer-contact-card {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 24px;
}

.footer-contact__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact__item:last-child {
    margin-bottom: 0;
}

.footer-contact__item i {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(30, 136, 229, 0.12);
    border-radius: var(--radius-sm);
    color: var(--color-accent-blue);
    font-size: 0.8rem;
    flex-shrink: 0;
}

.footer-contact__item i.fa-phone-alt {
    transform: scaleX(-1);
}

.footer-contact__item span,
.footer-contact__item a {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.5;
    padding-top: 5px;
}

.footer-contact__item a:hover {
    color: var(--color-accent-blue);
}

/* --- Certification Row --- */
.footer-certs {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 32px;
    margin-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid rgba(253, 200, 66, 0.25);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--color-accent-gold);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.footer-cert-badge i {
    font-size: 0.85rem;
}

/* --- Footer Bottom --- */
.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 16px 0;
}

.footer-bottom__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-copyright {
    font-size: 0.76rem;
    color: rgba(255, 255, 255, 0.70);
}

.footer-credit {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.65);
}

/* --- Responsive --- */
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-cta__inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-cta__text h2 { font-size: 2rem; }
    .footer-cta__actions { justify-content: center; }

    .footer-newsletter__inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-newsletter__form {
        max-width: 100%;
    }
}

@media (max-width: 575px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom__inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-cta__actions {
        flex-direction: column;
        width: 100%;
    }

    .footer-cta__actions .btn { width: 100%; justify-content: center; }

    .footer-newsletter__form {
        flex-direction: column;
    }

    .footer-newsletter__form input {
        border-right: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: var(--radius-sm);
    }

    .footer-newsletter__form button {
        border-radius: var(--radius-sm);
    }
}