/* ==========================================================================
   THE EMERALD RIVER PARK - MASTER STYLING EXTENSION (CLEANED & AUDITED 2026)
   ========================================================================== */

:root {
    /* ĐÃ THAY ĐỔI: Chuyển đổi sang hệ màu Dark Luxury Obsidian làm nền chủ đạo */
    --primary-color: #061224;      /* Màu xanh đêm sâu thẳm sang trọng */
    --accent-color: #d4af37;       /* Màu Vàng Gold hoàng gia làm điểm nhấn */
    --bg-dark-obsidian: #030a14;   /* Màu nền tối tuyệt đối thay cho màu sáng cũ */
    --bg-card-luxury: rgba(255, 255, 255, 0.03);
    --bg-white: #ffffff;           /* Giữ lại cho các khu vực bảng giá/FAQ cần độ tương phản chữ đen */
    --text-color: #f1f5f9;         /* Đổi sang chữ sáng màu để đọc được trên nền tối */
    --text-light: #94a3b8;
    --border-radius: 4px;          
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --box-shadow-premium: 0 20px 40px rgba(11, 29, 51, 0.4);
    --font-heading: 'Lexend Deca', 'Montserrat', sans-serif;
}

*, *::before, *::after { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}

html { 
    scroll-behavior: smooth; 
    text-size-adjust: 100%; 
}

body { 
    color: var(--text-color); 
    line-height: 1.6; 
    background-color: var(--bg-dark-obsidian); 
    -webkit-font-smoothing: antialiased; 
    padding-top: 75px; 
    font-family: 'Montserrat', sans-serif; 
}

h1, h2, h3, h4, h5, h6, .logo a {
    font-family: var(--font-heading);
}

.prestige-theme { 
    width: 100%; 
    overflow-x: hidden; 
    position: relative; 
}

img { 
    max-width: 100%; 
    height: auto; 
    display: block; 
}

.container { 
    max-width: 1250px; 
    margin: 0 auto; 
    padding: 30px 20px; 
} 

.container-relative { 
    position: relative; 
    z-index: 10; 
}

.section-title { 
    text-align: center; 
    font-size: 2.2rem; 
    color: #ffffff; 
    margin-bottom: 45px; 
    font-weight: 700; 
    letter-spacing: 1px;
    font-family: var(--font-heading);
}

.section-title::after { 
    content: ''; 
    display: block; 
    width: 50px; 
    height: 2px; 
    background: var(--accent-color); 
    margin: 15px auto 0;
}

.bg-dark-section { background-color: var(--primary-color); color: #ffffff; }
.bg-dark-section .section-title { color: #ffffff; }
.bg-light-section { background-color: #081931; } /* Tone màu tối dịu hơn cho các khối overview/location */
.bg-white-section { background-color: var(--bg-white); color: #1e293b; } /* Khối bảng giá và FAQ giữ trắng để dễ tra cứu thông tin */
.bg-white-section .section-title { color: #0b1d33; }

.gold-text { color: var(--accent-color) !important; }
.font-bold-primary { font-weight: 700; color: var(--primary-color); }
.price-color { color: #b91c1c; font-weight: 700; }

/* FIXED STICKY HEADER & NAV */
header.sticky-header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    background: rgba(6, 18, 36, 0.96);
    backdrop-filter: blur(10px);
    padding: 14px 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.header-container {
    max-width: 1350px; 
    margin: 0 auto;
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 0 20px;
}

.logo a {
    color: #ffffff; font-size: 1.35rem; font-weight: 700;
    text-decoration: none; letter-spacing: 1px; white-space: nowrap;
    font-family: var(--font-heading);
}

.nav-menu ul { 
    display: flex; 
    align-items: center; 
    gap: 20px; 
    list-style: none; 
}

.nav-menu a {
    color: rgba(255,255,255,0.85); 
    text-decoration: none;
    font-weight: 600; 
    font-size: 0.82rem; 
    text-transform: uppercase;
    letter-spacing: 0.5px; 
    transition: var(--transition-smooth); 
    white-space: nowrap;
}
.nav-menu a:not(.hotline-btn):hover { color: var(--accent-color); }

.hotline-btn {
    background: linear-gradient(135deg, #d4af37, #aa8216);
    padding: 9px 18px; 
    border-radius: var(--border-radius);
    font-weight: 700; 
    color: #0b1d33 !important;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
    display: inline-flex; 
    align-items: center; 
    gap: 6px;
}
.hotline-secondary {
    background: transparent !important;
    border: 1px solid var(--accent-color);
    color: var(--accent-color) !important;
}

.menu-toggle { display: none; }

/* PRIVACY POLICY CONSENT INTEGRATION */
.privacy-consent-wrapper {
    margin: 15px auto 25px auto;
    max-width: 100%;
    text-align: left;
}
.privacy-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8rem;
    cursor: pointer;
    line-height: 1.4;
}
.privacy-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--accent-color);
    width: 15px; height: 15px;
    flex-shrink: 0;
}
.privacy-checkbox-label a {
    color: var(--accent-color);
    text-decoration: underline;
    transition: color 0.3s;
}
.privacy-checkbox-label a:hover { color: #fff; }

/* MODAL BOX SYSTEM FOR E-E-A-T AUDIT */
.privacy-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(6, 18, 36, 0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.privacy-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}
.privacy-modal-content {
    background-color: var(--bg-white);
    padding: 40px;
    max-width: 600px;
    width: 90%;
    border-radius: var(--border-radius);
    border-top: 4px solid var(--accent-color);
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.privacy-modal.is-open .privacy-modal-content {
    transform: translateY(0);
}
.close-privacy-modal-btn {
    position: absolute;
    top: 15px; right: 20px;
    background: none; border: none;
    font-size: 2rem; color: #64748b;
    cursor: pointer;
}
.privacy-modal-content h3 {
    font-family: var(--font-heading);
    color: #0b1d33;
    font-size: 1.3rem; margin-bottom: 20px;
}
.privacy-modal-body p {
    font-size: 0.9rem; color: #1e293b;
    margin-bottom: 12px; line-height: 1.6;
}

.erp-action-contact-system {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.zalo-float-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background-color: #0068ff;
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
    transition: transform 0.3s ease;
}
.zalo-float-circle:hover { transform: scale(1.1); }

.mobile-sticky-bottom-bar {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bar-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 50px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.bar-btn.phone-main { background-color: #2e7d32; }
.bar-btn.phone-sub { background-color: #b91c1c; }
.bar-btn:hover { transform: translateY(-3px); }

/* ==========================================================================
   BREAKPOINT TỐI ƯU HÓA RESPONSIVE CHO MOBILE (CRITICAL UX)
   ========================================================================== */
@media (max-width: 768px) {
    .erp-action-contact-system {
        position: fixed;
        bottom: 0; left: 0; right: 0;
        width: 100vw; padding: 0; margin: 0;
        flex-direction: column; gap: 0;
        pointer-events: none;
    }

    .zalo-float-circle {
        position: absolute;
        bottom: 70px;
        right: 20px;
        pointer-events: auto;
        animation: pulseZalo 2s infinite;
    }

    .mobile-sticky-bottom-bar {
        position: relative;
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0;
        background: rgba(6, 18, 36, 0.96);
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(212, 175, 55, 0.2);
        padding: 10px 12px;
        box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
        pointer-events: auto;
    }

    .bar-btn {
        border-radius: 0;
        padding: 12px 5px;
        box-shadow: none;
        justify-content: center;
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 0.2px;
    }

    .bar-btn.phone-main {
        border-top-left-radius: 6px;
        border-bottom-left-radius: 6px;
    }
    .bar-btn.phone-sub {
        border-top-right-radius: 6px;
        border-bottom-right-radius: 6px;
    }
    .bar-btn:hover { transform: none; }

    body {
        padding-bottom: 70px;
    }
}

@keyframes pulseZalo {
    0% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0.5); }
    70% { box-shadow: 0 0 0 12px rgba(0, 104, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0); }
}

/* BANNER & VISUAL LAYOUT */
/* ĐÃ ĐỒNG BỘ ID: Thay #section-riverpark-banner thành #hero-banner */
#hero-banner { position: relative; height: 80vh; overflow: hidden; background: #000; }
.slide-item { 
    width: 100%; height: 100%; 
    object-fit: cover; 
    transform: scale(1.05); 
    animation: zoomEffect 15s infinite alternate; 
    opacity: 0.85; 
    will-change: transform;
}
@keyframes zoomEffect { from { transform: scale(1); } to { transform: scale(1.06); } }

.banner-text { position: absolute; top: 55%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #fff; width: 90%; max-width: 900px; z-index: 10; }
.banner-text h1 { font-size: 3.4rem; font-weight: 700; letter-spacing: 2px; margin-bottom: 15px; text-shadow: 0 4px 20px rgba(0,0,0,0.5); font-family: var(--font-heading); }
.banner-sub-line { width: 60px; height: 1px; background: var(--accent-color); margin: 0 auto 20px; }
.banner-text p { font-size: 1.25rem; letter-spacing: 2px; font-weight: 400; color: rgba(255,255,255,0.9); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.card-luxury-text { background: rgba(255,255,255,0.02); border: 1px solid rgba(212, 175, 55, 0.08); padding: 35px 25px; border-radius: var(--border-radius); text-align: center; transition: var(--transition-smooth); }
.card-luxury-text:hover { border-color: var(--accent-color); background: rgba(255,255,255,0.04); transform: translateY(-5px); }
.card-icon-wrap i { font-size: 2rem; color: var(--accent-color); margin-bottom: 20px; display: block; }
.card-luxury-text h3 { font-size: 1.1rem; margin-bottom: 12px; font-weight: 600; color: #fff; letter-spacing: 0.5px; font-family: var(--font-heading); }
.card-luxury-text p { color: #94a3b8; font-size: 0.9rem; }

.finance-luxury-box { margin-top: 40px; background: rgba(255,255,255,0.02); border-left: 3px solid var(--accent-color); padding: 35px; border-radius: var(--border-radius); }
.finance-luxury-box h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; font-family: var(--font-heading); }
.finance-luxury-box p { color: #cbd5e1; font-size: 0.95rem; }

/* LUXURY FORM LAYOUT */
/* ĐÃ ĐỒNG BỘ ID: Áp dụng chung style cho #lead-capture-top và #lead-capture-bottom */
#lead-capture-top, #lead-capture-bottom { position: relative; background-color: var(--primary-color); padding: 60px 0; }
.luxury-form-box { max-width: 950px; margin: 0 auto; background: rgba(6, 18, 36, 0.92); border: 1px solid rgba(212, 175, 55, 0.2); padding: 45px 35px; border-radius: var(--border-radius); box-shadow: 0 30px 60px rgba(0,0,0,0.5); text-align: center; }
.form-badge { display: inline-block; background: rgba(212, 175, 55, 0.15); color: var(--accent-color); padding: 5px 14px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; margin-bottom: 15px; border: 1px solid rgba(212, 175, 55, 0.25); }
.luxury-form-box h3 { font-size: 1.7rem; color: #fff; font-weight: 700; margin-bottom: 10px; font-family: var(--font-heading); }
.form-subtitle { color: var(--accent-color); font-size: 0.85rem; margin-bottom: 30px; }

.form-luxury-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.input-luxury-group { position: relative; }
.input-luxury-group i { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,0.35); }
.input-luxury-group input { width: 100%; padding: 15px 18px 15px 42px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: #fff; font-size: 0.9rem; border-radius: var(--border-radius); transition: var(--transition-smooth); }
.input-luxury-group input:focus { border-color: var(--accent-color); background: rgba(255,255,255,0.07); outline: none; }

.btn-luxury-submit { background: linear-gradient(135deg, #d4af37, #b58d3d); color: #0b1d33; border: none; padding: 15px 35px; font-size: 0.95rem; font-weight: 700; text-transform: uppercase; cursor: pointer; border-radius: var(--border-radius); transition: var(--transition-smooth); display: inline-flex; align-items: center; gap: 10px; box-shadow: 0 10px 25px rgba(212, 175, 55, 0.25); }
.btn-luxury-submit:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(212, 175, 55, 0.35); }

/* VISUAL CARDS STRUCTURE */
.grid-luxury-visual { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card-visual-nb { position: relative; height: 320px; background-size: cover; background-position: center; border-radius: var(--border-radius); overflow: hidden; display: flex; align-items: flex-end; transition: var(--transition-smooth); }
.visual-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(6,18,36,0.7) 10%, rgba(6,18,36,0.4) 60%, rgba(6,18,36,0.2) 100%);
    transition: var(--transition-smooth); z-index: 1;
}
.visual-content { position: relative; z-index: 2; padding: 25px; width: 100%; transition: var(--transition-smooth); }
.visual-content i { font-size: 2rem; color: var(--accent-color); margin-bottom: 12px; display: block; }
.visual-content h3 { font-size: 1.2rem; color: #fff; font-weight: 700; margin-bottom: 8px; font-family: var(--font-heading); }

.visual-content p.animate-text { 
    color: rgba(255,255,255,0.9); font-size: 0.88rem; line-height: 1.5; 
    transform: translateY(10px); opacity: 0; transition: var(--transition-smooth); transition-delay: 0.1s; 
}

.card-visual-nb:hover .visual-overlay { background: linear-gradient(to top, rgba(6,18,36,0.98) 40%, rgba(6,18,36,0.5)); }
.card-visual-nb:hover .visual-content p.animate-text { transform: translateY(0); opacity: 1; }
.card-visual-nb:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.5); }

.thap-badge { position: absolute; top: 20px; right: 20px; background: rgba(6, 18, 36, 0.85); color: #fff; border: 1px solid rgba(255, 255, 255, 0.15); padding: 4px 12px; font-size: 0.68rem; text-transform: uppercase; font-weight: 700; z-index: 5; }
.gold-badge { border-color: var(--accent-color) !important; color: var(--accent-color) !important; }

/* DATA TABLES & TONG THE */
.flex-tongthe { display: flex; gap: 40px; align-items: center; }
.left-img, .right-info { flex: 1; width: 50%; }
.premium-img-frame { border: 0px solid rgba(212, 175, 55, 0.12); padding: 0px; background: transparent; box-shadow: var(--box-shadow-premium); }
.table-premium-wrapper { overflow-x: auto; box-shadow: 0 15px 40px rgba(0,0,0,0.2); border: 1px solid #e2e8f0; }
.info-table-luxury { width: 100%; border-collapse: collapse; background: #fff; }
.info-table-luxury th, .info-table-luxury td { padding: 15px 20px; text-align: left; border-bottom: 1px solid #e2e8f0; font-size: 0.92rem; color: #1e293b; }
.info-table-luxury th { background: var(--primary-color); color: #fff; font-weight: 700; text-transform: uppercase; font-size: 0.82rem; letter-spacing: 0.5px; }
.highlight-row { background-color: rgba(214, 175, 55, 0.05); }

/* SLIDER CORE */
.emerald-slider-container { position: relative; max-width: 1000px; margin: 0 auto; height: auto; border-radius: var(--border-radius); overflow: hidden; background-color: var(--primary-color); box-shadow: var(--box-shadow-premium); }
.emerald-slider-wrapper { width: 100%; position: relative; min-height: 550px; }
.emerald-slide, .gallery-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; transition: opacity 0.6s ease; z-index: 1; display: flex; flex-direction: column; }
.emerald-slide.active, .gallery-slide.active { opacity: 1; visibility: visible; z-index: 2; position: relative; }
.slide-img-box { width: 100%; height: 490px; overflow: hidden; }
.slide-img-box img { width: 100%; height: 100%; object-fit: cover; }
.emerald-slide-caption, .gallery-caption { position: relative; width: 100%; padding: 20px 25px 40px 25px; background: var(--primary-color); color: #ffffff; }
.emerald-slide-caption h3 { font-size: 1.3rem; color: var(--accent-color); margin-bottom: 6px; font-weight: 700; font-family: var(--font-heading); }
.emerald-slide-caption p { font-size: 0.9rem; line-height: 1.6; opacity: 0.88; }
.gallery-caption { color: #fff; font-weight: 600; text-align: center; }

.emerald-slider-dots, .gallery-dots { position: absolute; bottom: 15px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 10; }
.emerald-dot, .gallery-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.35); cursor: pointer; }
.emerald-dot.active, .gallery-dot.active { background: var(--accent-color); width: 22px; border-radius: 4px; }

.slider-arrow { 
    position: absolute; top: 35%; transform: translateY(-50%); 
    background: rgba(212, 175, 55, 0.85); color: #0b1d33; border: none; 
    width: 48px; height: 48px; 
    border-radius: 50%; cursor: pointer; z-index: 10; display: flex; align-items: center; justify-content: center; font-size: 1rem; 
}
.prev-btn, .gallery-prev { left: 15px; } .next-btn, .gallery-next { right: 15px; }

/* FAQ ACCORDION SYSTEM */
.faq-wrapper { max-width: 900px; margin: 0 auto; }
.faq-item { background: #ffffff; border: 1px solid #e2e8f0; border-radius: var(--border-radius); margin-bottom: 12px; overflow: hidden; transition: var(--transition-smooth); }
.faq-header { padding: 18px 25px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: #fff; user-select: none; }
.faq-header h3 { font-size: 1.05rem; color: var(--primary-color); font-weight: 700; padding-right: 15px; line-height: 1.4; font-family: var(--font-heading); }
.faq-icon { font-size: 1rem; color: var(--accent-color); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.faq-body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1); background: #fafbfc; }
.faq-body > div { padding: 20px 25px; border-left: 3px solid var(--accent-color); color: #1e293b; font-size: 0.92rem; }
.faq-item.open { border-color: var(--accent-color); box-shadow: 0 10px 25px rgba(0,0,0,0.08); }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary-color); }

/* STRATEGIC PARTNERS SECTION */
/* ĐÃ ĐỒNG BỘ ID: Đổi thành #partners */
#partners {
    background: linear-gradient(135deg, #030d1a 0%, #06172e 50%, #020812 100%), 
                radial-gradient(circle at 90% 10%, rgba(212, 175, 55, 0.08) 0%, transparent 40%);
    position: relative;
    overflow: hidden;
}
#partners::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px;
    background: linear-gradient(to right, transparent, rgba(212, 175, 55, 0.3), transparent);
}
#partners .section-title {
    color: #ffffff;
    background: linear-gradient(135deg, #ffffff 40%, #e8d0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.partners-master-container { display: flex; flex-direction: column; gap: 40px; margin-top: 50px; }
.partner-developer-hero { display: flex; justify-content: center; width: 100%; }
.partner-card {
    background: rgba(255, 255, 255, 0.02); border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 28px 20px; text-align: center; border-radius: var(--border-radius);
    transition: var(--transition-smooth); backdrop-filter: blur(5px);
}
.partner-card.hero-card {
    background: linear-gradient(135deg, rgba(6, 18, 36, 0.85) 0%, rgba(3, 10, 20, 0.95) 100%);
    border: 1px solid var(--accent-color); max-width: 520px; width: 100%; padding: 35px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}
.partner-card.hero-card .partner-role { color: var(--accent-color); font-weight: 700; }
.partner-card.hero-card .partner-brand-name { color: #ffffff; font-size: 2.2rem; margin: 10px 0; letter-spacing: 3px; text-shadow: 0 2px 10px rgba(214, 175, 55, 0.2); }
.partner-card.hero-card .partner-desc { color: #cbd5e1; font-size: 0.88rem; }
.partners-grid-layout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.partner-role { display: block; font-size: 0.72rem; text-transform: uppercase; color: var(--accent-color); font-weight: 600; letter-spacing: 0.08em; margin-bottom: 10px; }
.partner-name { font-size: 1.45rem; color: #ffffff; font-weight: 700; letter-spacing: 0.8px; margin-bottom: 4px; }
.partner-subtext { font-size: 0.75rem; color: #94a3b8; font-style: italic; }
.partner-card:not(.hero-card):hover {
    border-color: var(--accent-color); background: rgba(255, 255, 255, 0.05); transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(212, 175, 55, 0.15);
}

/* SEMANTIC FOOTER */
.main-footer { background: #030a14; color: #fff; padding: 50px 20px; border-top: 3px solid var(--accent-color); }
.footer-grid { max-width: 1300px; margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; }
.footer-brand, .footer-contact { flex: 1; min-width: 300px; }
.main-footer h4 { color: var(--accent-color); margin-bottom: 20px; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.5px; font-family: var(--font-heading); }
.main-footer p { color: #cbd5e1; font-size: 0.95rem; line-height: 1.7; margin-bottom: 10px; }
.footer-contact i { color: var(--accent-color); margin-right: 8px; width: 18px; }
.footer-copyright { text-align: center; margin-top: 40px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.85rem; color: #64748b; }

/* RESPONSIVE SETUP */
@media (max-width: 1024px) {
    body { padding-top: 65px; }
    .flex-tongthe { flex-direction: column; gap: 25px; }
    .left-img, .right-info { width: 100%; flex: none; }
    .menu-toggle {
        display: flex; background: rgba(6, 18, 36, 0.9); border: 1px solid rgba(212, 175, 55, 0.3);
        color: var(--accent-color); font-size: 1.3rem; cursor: pointer;
        position: fixed; top: 12px; right: 15px; width: 48px; height: 48px;
        border-radius: var(--border-radius); z-index: 1005; align-items: center; justify-content: center;
    }
    .nav-menu {
        display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        background: rgba(6, 18, 36, 0.98); padding: 80px 0 30px 0; z-index: 1001; overflow-y: auto;
    }
    .nav-menu ul { flex-direction: column; width: 100%; gap: 5px; }
    .nav-menu li { width: 100%; }
    .nav-menu.active { display: flex; }
    .nav-menu a { padding: 16px 30px; display: block; width: 100%; text-align: center; font-size: 1rem; }
    .nav-menu .header-hotline-wrap { display: flex; flex-direction: column; gap: 10px; width: calc(100% - 60px); margin: 20px auto; }
    .nav-menu .hotline-btn { width: 100%; justify-content: center; }
    .grid-3, .grid-luxury-visual, .partners-grid-layout { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .form-luxury-row { grid-template-columns: 1fr; gap: 12px; }
    .banner-text h1 { font-size: 2.3rem; }
    .container { padding: 50px 15px; }
    .card-visual-nb.visible .visual-overlay { background: linear-gradient(to top, rgba(6,18,36,0.98) 20%, rgba(6,18,36,0.8)); }
    .card-visual-nb.visible .visual-content p.animate-text { transform: translateY(0); opacity: 1; }
}

@media (max-width: 768px) {
    .grid-3, .grid-luxury-visual, .partners-grid-layout { grid-template-columns: 1fr; }
    .luxury-form-box { padding: 30px 20px; }
    .luxury-form-box h3 { font-size: 1.35rem; }
    .emerald-slider-wrapper { min-height: 390px; }
    .slide-img-box { height: 220px; }
}