/**
 * FOOTER COMPONENT CSS
 * Modern Real Estate Footer - With Background Image & Gradient
 */

/* ==========================================================================
   SITE FOOTER - Main Container
   ========================================================================== */
.site-footer {
    background-color: var(--color-primary);
    color: #fff;
}

/* ==========================================================================
   FOOTER MAIN SECTION - Background Image with Gradient Overlay
   ========================================================================== */
.footer-main-section {
    position: relative;
    padding: 80px 0 60px;
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
}

/* Gradient Overlay - Trong suốt ~50% để thấy nền phía sau */
.footer-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 102, 179, 0.50) 0%,
        rgba(0, 174, 239, 0.45) 100%
    );
    z-index: 1;
}

/* Add subtle pattern overlay for texture */
.footer-gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); */
    background-image: url('../images/footer.png');
    opacity: 0.5;
}

.footer-main-section .container {
    position: relative;
    z-index: 2;
}

.footer-content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* ==========================================================================
   FOOTER BRAND - Logo & Description
   ========================================================================== */
.footer-brand {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo img {
    max-height: 80px;
    width: auto;
    /* Giữ màu gốc logo - không filter trắng */
    transition: opacity 0.3s ease;
}

.footer-logo:hover img {
    opacity: 0.85;
}

.footer-brand-desc {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   FOOTER GRID - 3 Columns Layout
   ========================================================================== */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.footer-column {
    padding: 0 15px;
}

/* Column Title */
.footer-column-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 25px;
    padding-bottom: 15px;
    position: relative;
    letter-spacing: -0.01em;
}

.footer-column-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.6), transparent);
}

/* ==========================================================================
   FOOTER LINKS LIST
   ========================================================================== */
.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-list li {
    margin-bottom: 12px;
}

.footer-links-list a {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0;
}

.footer-links-list a::before {
    content: '';
    width: 0;
    height: 1px;
    background-color: #fff;
    position: absolute;
    left: 0;
    bottom: -2px;
    transition: width 0.3s ease;
}

.footer-links-list a:hover {
    color: #fff;
    padding-left: 8px;
}

.footer-links-list a:hover::before {
    width: 100%;
}

/* ==========================================================================
   FOOTER CONTACT LIST
   ========================================================================== */
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.footer-contact-list li:last-child {
    margin-bottom: 0;
}

.footer-contact-list li i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    margin-right: 15px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-contact-list li > div {
    flex: 1;
}

.footer-contact-list .contact-label {
    display: block;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.footer-contact-list li a,
.footer-contact-list li span {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.footer-contact-list li a:hover {
    color: var(--color-secondary);
}

/* ==========================================================================
   FOOTER SOCIAL LINKS
   ========================================================================== */
.footer-social-text {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.footer-social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-social-links a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social-links a:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 174, 239, 0.3);
}

/* Zalo & TikTok SVG icons in footer */
.footer-social-links a svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ==========================================================================
   FOOTER BOTTOM - Copyright Bar
   ========================================================================== */
.footer-bottom {
    background-color: rgba(0, 80, 140, 0.3);
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.copyright {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
}

.copyright strong {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

.footer-bottom-text {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-text a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-text a:hover {
    color: #fff;
    text-decoration: underline;
}

/* ==========================================================================
   FLOATING CONTACT WIDGET - Desktop Premium Design
   Modern expandable buttons with labels
   ========================================================================== */

/* Desktop Widget Container */
.floating-contact-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: none; /* Hidden by default, show on desktop */
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    z-index: 999;
}

/* Widget Button Base */
.fcw-btn {
    display: flex;
    align-items: center;
    gap: 0;
    height: 48px;
    padding: 0;
    border-radius: 24px;
    text-decoration: none;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.15),
        0 2px 4px rgba(0, 0, 0, 0.1);
}

.fcw-btn:hover {
    color: #fff;
    transform: translateX(-4px);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.2),
        0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Icon container */
.fcw-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.fcw-btn:hover .fcw-icon {
    transform: scale(1.1);
}

/* Label - hidden by default, expand on hover */
.fcw-label {
    max-width: 0;
    opacity: 0;
    white-space: nowrap;
    padding-right: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.fcw-btn:hover .fcw-label {
    max-width: 100px;
    opacity: 1;
    padding-right: 18px;
}

/* Back to Top Button */
.fcw-top {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) translateX(0);
}

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

.fcw-top:hover {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    transform: translateY(0) translateX(-4px);
}

.fcw-top .fcw-icon i {
    transition: transform 0.3s ease;
}

.fcw-top:hover .fcw-icon i {
    transform: translateY(-2px);
}

/* Zalo Button */
.fcw-zalo {
    background: linear-gradient(135deg, #0068ff 0%, #0052cc 100%);
}

.fcw-zalo:hover {
    background: linear-gradient(135deg, #0052cc 0%, #003d99 100%);
    box-shadow:
        0 8px 24px rgba(0, 104, 255, 0.35),
        0 4px 8px rgba(0, 104, 255, 0.2);
}

/* Phone Button */
.fcw-phone {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.fcw-phone:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    box-shadow:
        0 8px 24px rgba(34, 197, 94, 0.35),
        0 4px 8px rgba(34, 197, 94, 0.2);
}

/* Pulse animation for Zalo (primary contact) */
.fcw-zalo {
    animation: fcwPulse 3s ease-in-out infinite;
}

@keyframes fcwPulse {
    0%, 100% {
        box-shadow:
            0 4px 12px rgba(0, 104, 255, 0.25),
            0 2px 4px rgba(0, 104, 255, 0.15);
    }
    50% {
        box-shadow:
            0 6px 20px rgba(0, 104, 255, 0.4),
            0 3px 8px rgba(0, 104, 255, 0.25);
    }
}

.fcw-zalo:hover {
    animation: none;
}

/* ==========================================================================
   MOBILE: Back to Top Button (Simple Circle)
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    width: 48px;
    height: 48px;
    display: none; /* Hidden by default, show on mobile */
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0066b3, #00aeef);
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    z-index: 999;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 102, 179, 0.3);
}

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

.back-to-top:hover {
    background: linear-gradient(135deg, #00aeef, #0066b3);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 174, 239, 0.4);
    color: #fff;
}

/* ==========================================================================
   MOBILE: Floating Contact Buttons (Simple Circles)
   ========================================================================== */
.floating-contact {
    position: fixed;
    bottom: 100px;
    right: 20px;
    display: none; /* Hidden by default */
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 998;
    transition: bottom 0.3s ease, opacity 0.3s ease;
}

.floating-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.floating-btn:hover {
    transform: scale(1.1) translateY(-3px);
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.floating-btn.phone {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.floating-btn.phone:hover {
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4);
}

.floating-btn.zalo {
    background: linear-gradient(135deg, #0068ff, #0052cc);
}

.floating-btn.zalo:hover {
    box-shadow: 0 8px 24px rgba(0, 104, 255, 0.4);
}

/* ==========================================================================
   VIEWPORT REDUCED STATE (In-App Browser, Keyboard Open)
   ========================================================================== */
body.viewport-reduced .floating-contact,
body.viewport-reduced .floating-contact-widget,
body.viewport-reduced .back-to-top {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* ==========================================================================
   DESKTOP (≥992px): Show widget, hide mobile elements
   ========================================================================== */
@media (min-width: 992px) {
    /* Show desktop widget */
    .floating-contact-widget {
        display: flex;
    }

    /* Hide mobile elements */
    .floating-contact,
    .back-to-top {
        display: none !important;
    }
}

/* ==========================================================================
   TABLET/MOBILE (<992px): Show mobile elements, hide widget
   ========================================================================== */
@media (max-width: 991.98px) {
    /* Hide desktop widget */
    .floating-contact-widget {
        display: none !important;
    }

    /* Show mobile back-to-top */
    .back-to-top {
        display: flex;
    }

    /* Ẩn floating-contact trên mobile có floating-cta-bar */
    body.has-floating-cta .floating-contact {
        display: none !important;
    }

    /* Hiển thị floating-contact trên các trang KHÔNG có floating-cta-bar */
    body:not(.has-floating-cta) .floating-contact {
        display: flex;
        bottom: 20px;
    }

    body:not(.has-floating-cta) .back-to-top.visible {
        bottom: 138px;
        right: 26px;
    }

    /* Back to top khi có floating-cta-bar */
    body.has-floating-cta .back-to-top.visible {
        bottom: 90px;
        right: 10px;
    }
}

/* ==========================================================================
   FLOATING CTA BAR - Mobile Only (All Pages)
   Premium White Design with Glass Effect
   ========================================================================== */
.floating-cta-bar {
    position: fixed;
    bottom: -100px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    z-index: 1050;
    display: none;
    justify-content: center;
    gap: 10px;
    box-shadow:
        0 -1px 0 rgba(0, 0, 0, 0.05),
        0 -4px 16px rgba(0, 0, 0, 0.08),
        0 -12px 40px rgba(0, 0, 0, 0.04);
    transition: bottom 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.floating-cta-bar.visible {
    bottom: 0;
}

.floating-cta-bar.viewport-hidden {
    bottom: -100px !important;
    opacity: 0;
    pointer-events: none;
    transition: bottom 0.2s ease, opacity 0.2s ease;
}

body.viewport-reduced.has-floating-cta {
    padding-bottom: 0 !important;
}

/* Button Base */
.floating-cta-bar .cta-btn {
    flex: 1;
    max-width: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.floating-cta-bar .cta-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.floating-cta-bar .cta-btn:active::before {
    opacity: 1;
}

/* Phone - Green */
.floating-cta-bar .cta-phone {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3), 0 4px 16px rgba(34, 197, 94, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.floating-cta-bar .cta-phone:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4), 0 8px 24px rgba(34, 197, 94, 0.2);
}

/* Zalo - Blue */
.floating-cta-bar .cta-zalo {
    background: linear-gradient(135deg, #0068ff 0%, #0052cc 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 104, 255, 0.3), 0 4px 16px rgba(0, 104, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.floating-cta-bar .cta-zalo:hover {
    background: linear-gradient(135deg, #0052cc 0%, #003d99 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 104, 255, 0.4), 0 8px 24px rgba(0, 104, 255, 0.2);
}

/* Form - Orange */
.floating-cta-bar .cta-form {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3), 0 4px 16px rgba(249, 115, 22, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: subtlePulse 3s ease-in-out infinite;
}

.floating-cta-bar .cta-form:hover {
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4), 0 8px 24px rgba(249, 115, 22, 0.2);
}

.floating-cta-bar .cta-btn:active {
    transform: translateY(0);
}

.floating-cta-bar .cta-btn i {
    font-size: 15px;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
}

@keyframes subtlePulse {
    0%, 100% { box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3), 0 4px 16px rgba(249, 115, 22, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
    50% { box-shadow: 0 2px 12px rgba(249, 115, 22, 0.45), 0 6px 20px rgba(249, 115, 22, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
}

/* Floating CTA - Responsive */
@media (max-width: 991px) {
    .floating-cta-bar {
        display: flex;
    }
    body.has-floating-cta {
        padding-bottom: 85px;
    }
}

@media (max-width: 480px) {
    .floating-cta-bar {
        padding: 10px 12px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
        gap: 8px;
    }
    .floating-cta-bar .cta-btn {
        padding: 11px 10px;
        font-size: 12px;
        border-radius: 10px;
        gap: 5px;
    }
    .floating-cta-bar .cta-btn i {
        font-size: 14px;
    }
}

@media (max-width: 360px) {
    .floating-cta-bar .cta-btn {
        padding: 12px 10px;
        font-size: 11px;
    }
    .floating-cta-bar .cta-btn span {
        display: none;
    }
    .floating-cta-bar .cta-btn i {
        font-size: 18px;
    }
}

/* Desktop: Hide floating CTA bar */
@media (min-width: 992px) {
    .floating-cta-bar {
        display: none !important;
    }
}

/* ==========================================================================
   QUICK CONTACT MODAL (Global)
   Premium Slide-up Animation
   ========================================================================== */
.quick-contact-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.quick-contact-modal.active {
    display: flex;
}

.quick-contact-modal .modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.quick-contact-modal.active .modal-overlay {
    opacity: 1;
}

.quick-contact-modal .modal-content {
    position: relative;
    width: 95%;
    max-width: 440px;
    background: #fff;
    border-radius: 24px;
    padding: 32px 28px 36px;
    transform: translateY(60px);
    opacity: 0;
    transition:
        transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
        opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.1s;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 12px 24px -8px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.05);
}

.quick-contact-modal.active .modal-content {
    transform: translateY(0);
    opacity: 1;
}

.quick-contact-modal .modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, #0066b3, #00aeef);
    border-radius: 0 0 4px 4px;
}

.quick-contact-modal .modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border: none;
    background: #f1f5f9;
    border-radius: 50%;
    font-size: 16px;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-contact-modal .modal-close:hover {
    background: #e2e8f0;
    color: #1e293b;
}

.quick-contact-modal .modal-header {
    text-align: center;
    margin-bottom: 25px;
}

.quick-contact-modal .modal-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px 0;
}

.quick-contact-modal .modal-header h3 i {
    color: #0066b3;
    margin-right: 8px;
}

.quick-contact-modal .modal-header p {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

/* Quick Contact Form */
.quick-contact-form .form-group {
    margin-bottom: 15px;
}

.quick-contact-form .form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.quick-contact-form .form-control:focus {
    outline: none;
    border-color: #0066b3;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0,102,179,0.1);
}

.quick-contact-form .form-control::placeholder {
    color: #94a3b8;
}

.quick-contact-form select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.quick-contact-form .btn-submit {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #0066b3 0%, #004a8f 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.quick-contact-form .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,102,179,0.3);
}

.quick-contact-form .btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.quick-contact-form .form-trust {
    text-align: center;
    margin-top: 15px;
    font-size: 13px;
    color: #64748b;
}

.quick-contact-form .form-trust i {
    color: #22c55e;
    margin-right: 5px;
}

.form-alert {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    display: none;
}

.form-alert.success {
    display: block;
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.form-alert.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Quick Contact Modal - Responsive */
@media (min-width: 992px) {
    .quick-contact-modal .modal-content {
        max-width: 480px;
        padding: 40px 36px 44px;
    }
}

@media (max-width: 767px) {
    .quick-contact-modal {
        align-items: flex-start;
        padding-top: 15vh;
    }
    .quick-contact-modal .modal-content {
        width: 95%;
        max-width: none;
        padding: 28px 24px 32px;
        border-radius: 20px;
    }
}

@media (max-width: 400px) {
    .quick-contact-modal {
        padding: 12px;
        padding-top: 10vh;
    }
    .quick-contact-modal .modal-content {
        padding: 24px 20px 28px;
        border-radius: 16px;
    }
    .quick-contact-modal .modal-header h3 {
        font-size: 18px;
    }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1199.98px) {
    .footer-main-section {
        padding: 70px 0 50px;
    }

    .footer-grid {
        gap: 40px;
    }

    .footer-column {
        padding: 0 10px;
    }
}

@media (max-width: 991.98px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 30px;
    }

    .footer-column:last-child {
        grid-column: span 2;
        text-align: center;
    }

    .footer-column:last-child .footer-column-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-column:last-child .footer-social-links {
        justify-content: center;
    }
}

@media (max-width: 767.98px) {
    .footer-main-section {
        padding: 50px 0 40px;
    }

    .footer-brand {
        margin-bottom: 40px;
        padding-bottom: 30px;
    }

    .footer-logo img {
        max-height: 50px;
    }

    .footer-brand-desc {
        font-size: 13px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-column {
        padding: 0;
        text-align: center;
    }

    .footer-column:last-child {
        grid-column: span 1;
    }

    .footer-column-title {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .footer-column-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links-list a {
        justify-content: center;
    }

    .footer-links-list a:hover {
        padding-left: 0;
    }

    .footer-contact-list {
        display: inline-block;
        text-align: left;
    }

    .footer-contact-list li {
        margin-bottom: 15px;
    }

    .footer-contact-list li i {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .footer-social-links {
        justify-content: center;
    }

    .footer-social-links a {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

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

    .copyright,
    .footer-bottom-text {
        font-size: 12px;
    }

    /* Floating buttons - đã được định nghĩa trong phần chính */
}

@media (max-width: 480px) {
    .footer-main-section {
        padding: 40px 0 30px;
    }

    .footer-brand {
        margin-bottom: 30px;
        padding-bottom: 25px;
    }

    .footer-grid {
        gap: 30px;
    }

    .footer-contact-list li i {
        width: 34px;
        height: 34px;
        font-size: 12px;
        margin-right: 12px;
    }

    .footer-contact-list .contact-label {
        font-size: 10px;
    }

    .footer-contact-list li a,
    .footer-contact-list li span {
        font-size: 13px;
    }

    .footer-column-hide {
        display: none;
    }

}

/* ==========================================================================
   OLD FOOTER STYLES - Keep for compatibility
   ========================================================================== */
/* Footer Main (legacy) */
.footer-main {
    padding: 80px 0 60px;
}

/* Widget Area (legacy) */
.footer-widgets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.widget-column {
    padding: 0;
}

/* Widget Title (legacy) */
.widget-title {
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: var(--fw-normal);
    color: var(--color-white);
    margin-bottom: 25px;
    padding-bottom: 15px;
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--color-secondary);
}

/* Footer Text (legacy) */
.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Footer Links (legacy) */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    transition: all var(--transition-fast);
}

.footer-links a::before {
    content: '\f105';
    font-family: FontAwesome;
    margin-right: 10px;
    font-size: 12px;
    color: var(--color-secondary);
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

/* Footer Contact Info (legacy) */
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
}

.footer-contact li i {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    border-radius: var(--radius-sm);
    margin-right: 15px;
    flex-shrink: 0;
}

.footer-contact li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact li a:hover {
    color: var(--color-secondary);
}

/* Footer Social (legacy) */
.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
}

/* Site Info (legacy) */
.site-info {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-info .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

/* Footer Contact Section (legacy - Get in touch style) */
.footer-contact-section {
    position: relative;
    padding: 120px 0 100px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.footer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(23, 62, 98, 0.85), rgba(23, 62, 98, 0.95));
    z-index: 1;
}

.footer-contact-section .container {
    position: relative;
    z-index: 2;
}

.footer-contact-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 50px;
    letter-spacing: -0.02em;
}

.footer-contact-grid {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-contact-item {
    text-align: center;
}

.footer-contact-item .contact-label {
    display: block;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 12px;
}

.footer-contact-item .contact-value {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
    letter-spacing: -0.01em;
}

.footer-contact-item .contact-value:hover {
    color: var(--color-secondary);
}

.footer-address {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

/* ==========================================================================
   FOOTER CONTACT FORM - Quick Registration
   Đồng bộ với contact.css style
   ========================================================================== */
.footer-form-desc {
    font-family: var(--font-body);
    font-size: var(--fs-sm, 14px);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-form-group {
    position: relative;
}

/* Input style - nền trong, text trắng, border-bottom trắng */
.footer-form-input {
    width: 100%;
    padding: 14px 0;
    font-family: var(--font-body);
    font-size: var(--fs-base, 14px);
    font-weight: 400;
    color: #fff;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 0;
    outline: none;
    transition: all var(--transition-fast, 0.2s ease);
}

.footer-form-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.footer-form-input:focus {
    background-color: transparent;
    border-bottom-color: #fff;
    box-shadow: none;
}

.footer-form-input.is-invalid {
    border-bottom-color: #ff6b6b;
    background-color: transparent;
}

/* Submit button đồng bộ với .btn-contact-submit */
.footer-form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 40px;
    font-family: var(--font-body);
    font-size: var(--fs-base, 14px);
    font-weight: var(--fw-medium, 500);
    color: var(--color-white, #fff);
    background: var(--color-primary, #0066b3);
    border: none;
    border-radius: var(--radius-sm, 6px);
    cursor: pointer;
    transition: all var(--transition-base, 0.3s ease);
}

.footer-form-submit:hover {
    background: var(--color-secondary, #00aeef);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md, 0 4px 15px rgba(0, 0, 0, 0.15));
}

.footer-form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.footer-form-submit i {
    font-size: 16px;
}

/* Footer Form Alert - đồng bộ với .contact-alert */
.footer-form-alert {
    margin-top: 12px;
}

.footer-alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm, 6px);
    font-family: var(--font-body);
    font-size: var(--fs-sm, 13px);
    font-weight: 500;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    animation: fadeInAlert 0.3s ease;
}

.footer-alert.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.footer-alert.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Field error message */
.footer-field-error {
    color: #dc3545;
    font-size: var(--fs-xs, 12px);
    margin-top: 5px;
    display: block;
}

@keyframes fadeInAlert {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer Form Responsive */
@media (max-width: 991.98px) {
    .footer-column:last-child .footer-contact-form {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 767.98px) {
    .footer-form-input {
        padding: 12px 0;
    }

    .footer-form-submit {
        padding: 14px 30px;
    }
}

/* Legacy Responsive */
@media (max-width: 1199.98px) {
    .footer-widgets {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767.98px) {
    .footer-main {
        padding: 60px 0 40px;
    }

    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .widget-title {
        font-size: var(--fs-lg);
        margin-bottom: 20px;
    }

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