/* ============================================
   JUPITER PLANET XXL - Design 2: Light Clean Blue
   Footer Styles
   ============================================ */

/* ---- Newsletter Section ---- */
.newsletter {
    background: var(--gradient-cta);
    padding: 3.5rem 0;
    position: relative;
    overflow: hidden;
}

.newsletter::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 250px;
    height: 250px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
}

.newsletter::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-full);
}

.newsletter .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.newsletter__content {
    flex: 1;
}

.newsletter__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: var(--spacing-sm);
}

.newsletter__text {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.newsletter__form {
    flex: 1;
    display: flex;
    gap: var(--spacing-sm);
    max-width: 460px;
}

.newsletter__input {
    flex: 1;
    padding: 0.85rem 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-white);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
}

.newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter__input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.18);
}

.newsletter__btn {
    padding: 0.85rem 1.8rem;
    background: var(--text-white);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.newsletter__btn:hover {
    background: #f0f9ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ---- Main Footer ---- */
.footer {
    background: var(--bg-footer);
    padding: 4rem 0 0;
    border-top: 1px solid var(--border-light);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: var(--spacing-2xl);
}

/* ---- Footer Brand Column ---- */
.footer__brand {
    padding-right: var(--spacing-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: var(--spacing-lg);
    text-decoration: none;
}

.footer__logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.1rem;
}

.footer__logo-text {
    font-size: 1.15rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
}

.footer__brand-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.footer__social {
    display: flex;
    gap: 0.6rem;
}

.footer__social-link {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--bg-white);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.footer__social-link:hover {
    background: var(--color-primary);
    color: var(--text-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-button);
}

/* ---- Footer Column ---- */
.footer__column {
    display: flex;
    flex-direction: column;
}

.footer__heading {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer__heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-pill);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer__link {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.footer__link i {
    font-size: 0.6rem;
    color: var(--color-primary-lighter);
    transition: transform var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer__link:hover i {
    transform: translateX(2px);
}

/* ---- Footer Contact ---- */
.footer__contact {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer__contact-icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-size: 0.85rem;
}

.footer__contact-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.footer__contact-text strong {
    color: var(--text-dark);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.footer__contact-text span,
.footer__contact-text a {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.footer__contact-text a:hover {
    color: var(--color-primary);
}

/* ---- Copyright Bar ---- */
.footer__bottom {
    background: var(--bg-copyright);
    margin-top: 3rem;
    padding: 1.2rem 0;
    border-top: 1px solid var(--border-light);
}

.footer__bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer__copyright a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.footer__bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__bottom-links a {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
    color: var(--color-primary);
}

/* ---- Back to Top ---- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-button);
    z-index: var(--z-dropdown);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-button-hover);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }

    .footer__brand {
        grid-column: span 2;
        padding-right: 0;
    }

    .newsletter .container {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer__brand {
        grid-column: span 1;
    }

    .footer__bottom .container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .newsletter__form {
        flex-direction: column;
    }

    .newsletter__btn {
        justify-content: center;
    }

    .newsletter {
        padding: 2.5rem 0;
    }

    .footer {
        padding: 3rem 0 0;
    }

    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .footer__social {
        justify-content: center;
    }

    .footer__heading {
        text-align: center;
    }

    .footer__heading::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer__links {
        align-items: center;
    }

    .footer__contact {
        align-items: center;
    }

    .footer__bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
}