/**
 * Ora Footer V3 - Redesigned Menu Navigation
 * Theme: Oranect - Smart Health. Better Life.
 */

/* ===== CSS Variables ===== */
:root {
    --ora-blue: #0284c7;
    --ora-blue-light: #0ea5e9;
    --ora-blue-dark: #0369a1;
    --ora-navy: #0f172a;
    --ora-navy-light: #1e293b;
    --ora-navy-lighter: #334155;
    --ora-gray: #64748b;
    --ora-gray-light: #94a3b8;
    --ora-white: #f8fafc;
    --ora-border: rgba(255, 255, 255, 0.08);
    --ora-border-light: rgba(255, 255, 255, 0.12);
    --ora-glow: rgba(2, 132, 199, 0.12);
    --ora-radius: 10px;
    --ora-radius-sm: 6px;
    --ora-transition: 0.25s ease;
    --ora-container: 1200px;
}

/* ===== Container ===== */
.ora-container {
    max-width: var(--ora-container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Footer ===== */
.ora-footer--v3 {
    position: relative;
    background: var(--ora-navy);
    overflow: hidden;
}

/* Background Pattern */
.ora-footer__bg-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, var(--ora-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(14, 165, 233, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

/* Main Section */
.ora-footer__main {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    max-width: 1200px; margin: 0 auto; padding: 60px 24px 48px;
    border-bottom: 1px solid var(--ora-border);
}

/* Brand Column */
.ora-footer__brand-col {
    padding-right: 30px;
}

.ora-footer__logo {
    display: inline-block;
    margin-bottom: 20px;
}

.ora-footer__logo img {
    height: 44px;
    width: auto;
}

.ora-footer__logo-text {
    display: inline-block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ora-white);
    text-decoration: none;
    margin-bottom: 20px;
}

.ora-footer__logo-text .accent {
    color: var(--ora-blue-light);
}

.ora-footer__desc {
    font-size: 0.9375rem;
    color: var(--ora-gray-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

/* Newsletter Box */
.ora-footer__newsletter-box {
    background: var(--ora-navy-light);
    border: 1px solid var(--ora-border);
    border-radius: var(--ora-radius);
    padding: 20px;
    margin-bottom: 24px;
}

.ora-footer__newsletter-box h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ora-white);
    margin: 0 0 6px;
}

.ora-footer__newsletter-box p {
    font-size: 0.8125rem;
    color: var(--ora-gray);
    margin: 0 0 14px;
}

.ora-footer__newsletter-form {
    display: flex;
    gap: 8px;
}

.ora-footer__newsletter-form input {
    flex: 1;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--ora-border-light);
    border-radius: var(--ora-radius-sm);
    color: var(--ora-white);
    font-size: 0.875rem;
    transition: var(--ora-transition);
}

.ora-footer__newsletter-form input::placeholder {
    color: var(--ora-gray);
}

.ora-footer__newsletter-form input:focus {
    outline: none;
    border-color: var(--ora-blue);
    background: rgba(255, 255, 255, 0.08);
}

.ora-footer__newsletter-form button {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ora-blue);
    border: none;
    border-radius: var(--ora-radius-sm);
    color: white;
    cursor: pointer;
    transition: var(--ora-transition);
    flex-shrink: 0;
}

.ora-footer__newsletter-form button:hover {
    background: var(--ora-blue-light);
    transform: translateX(2px);
}

/* Social Icons */
.ora-footer__socials {
    display: flex;
    gap: 10px;
}

.ora-social {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--ora-border);
    border-radius: var(--ora-radius-sm);
    color: var(--ora-gray-light);
    transition: var(--ora-transition);
    text-decoration: none;
}

.ora-social:hover {
    background: var(--ora-blue);
    border-color: var(--ora-blue);
    color: white;
    transform: translateY(-3px);
}

/* Navigation Columns */
.ora-footer__nav-col {
    padding-top: 4px;
}

.ora-footer__nav-col:last-child {
    padding-top: 0;
}

.ora-footer__nav-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.ora-footer__nav-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 132, 199, 0.15);
    border-radius: var(--ora-radius-sm);
    color: var(--ora-blue-light);
}

.ora-footer__nav-col h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ora-white);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation Menu */
.ora-footer__nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ora-footer__nav-menu li {
    margin-bottom: 4px;
}

.ora-footer__nav-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    margin: 0 -12px;
    color: var(--ora-gray-light);
    text-decoration: none;
    font-size: 0.90625rem;
    border-radius: var(--ora-radius-sm);
    transition: var(--ora-transition);
}

.ora-footer__nav-menu a:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--ora-white);
    padding-left: 16px;
}

.ora-footer__nav-menu a span:first-child {
    position: relative;
}

.ora-footer__nav-menu a svg {
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--ora-transition);
    color: var(--ora-blue-light);
}

.ora-footer__nav-menu a:hover svg {
    opacity: 1;
    transform: translateX(0);
}

/* Contact Bar */
.ora-footer__contact-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--ora-border);
    flex-wrap: wrap;
    row-gap: 8px;
}

.ora-footer__contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ora-gray-light);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.ora-footer__contact-item a {
    color: var(--ora-gray-light);
    text-decoration: none;
    transition: var(--ora-transition);
}

.ora-footer__contact-item a:hover {
    color: var(--ora-blue-light);
}

.ora-footer__contact-icon {
    width: 20px;
    height: 20px;
    color: var(--ora-blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ora-footer__contact-icon svg {
    width: 100%;
    height: 100%;
}

/* 用伪元素添加分隔符，不占额外 flex 空间 */
.ora-footer__contact-item + .ora-footer__contact-item::before {
    content: "|";
    margin-right: 8px;
    color: var(--ora-border-light);
    font-size: 0.75rem;
}

/* Bottom Bar */
.ora-footer__bottom-bar {
    background: transparent;
    max-width: 1200px; margin: 0 auto; padding: 18px 24px;
}

.ora-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.ora-footer__copyright p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--ora-gray);
}

.ora-footer__legal {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ora-footer__legal a {
    color: var(--ora-gray);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--ora-transition);
}

.ora-footer__legal a:hover {
    color: var(--ora-blue-light);
}

.ora-footer__legal span {
    color: var(--ora-border-light);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .ora-footer__main {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .ora-footer__brand-col {
        grid-column: 1 / -1;
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .ora-footer__main {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        padding: 40px 0 32px;
    }
    
    .ora-footer__nav-header {
        margin-bottom: 16px;
    }
    
    .ora-footer__contact-bar {
        flex-direction: column;
        gap: 12px;
        padding: 16px 0;
    }
    
    .ora-footer__contact-item::before {
        display: none !important;
    }
    
    .ora-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .ora-footer__main {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .ora-footer__brand-col {
        text-align: center;
    }
    
    .ora-footer__socials {
        justify-content: center;
    }
    
    .ora-footer__nav-col {
        text-align: center;
    }
    
    .ora-footer__nav-header {
        justify-content: center;
    }
    
    .ora-footer__nav-menu a {
        justify-content: center;
    }
    
    .ora-footer__nav-menu a svg {
        display: none;
    }
}