/* ================= VARIABLES & MODERN DESIGN TOKENS ================= */
      :root {
        --primary-color: #0b1120; /* Xanh Navy đậm */
        --secondary-color: #d4af37; /* Vàng Gold */
        --accent-color: #fcd34d;
        --text-main: #334155;
        --text-light: #64748b;
        --bg-light: #f8fafc;
        --bg-gray: #f1f5f9;
        --white: #ffffff;
        --transition-speed: 0.4s;
        --max-width: 1200px;

        /* Shadows cao cấp */
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        --shadow-md:
          0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        --shadow-lg:
          0 20px 25px -5px rgba(0, 0, 0, 0.1),
          0 10px 10px -5px rgba(0, 0, 0, 0.04);
        --shadow-xl: 0 30px 40px -10px rgba(0, 0, 0, 0.15);
        --shadow-gold: 0 4px 15px rgba(212, 175, 55, 0.3);
      }

      /* ================= RESET & TYPOGRAPHY ================= */
      html {
        scroll-behavior: smooth;
      }
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family:
          "Segoe UI",
          system-ui,
          -apple-system,
          sans-serif;
      }
      body {
        color: var(--text-main);
        background-color: var(--bg-light);
        line-height: 1.7;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
      }
      a {
        text-decoration: none;
        color: inherit;
        transition: all var(--transition-speed);
      }
      ul {
        list-style: none;
      }
      img {
        max-width: 100%;
        display: block;
        object-fit: cover;
      }
      .hidden {
        display: none !important;
      }

      /* ================= PREMIUM HEADER & NAV ================= */
      header {
        background-color: transparent;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        transition:
          background-color 0.4s ease,
          box-shadow 0.4s ease,
          height 0.4s ease;
        height: 90px;
        display: flex;
        align-items: center;
      }

      header.scrolled {
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        height: 76px;
      }

      .nav-container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 2rem;
      }

      .logo {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--primary-color);
        letter-spacing: -0.5px;
        position: relative;
        z-index: 1002;
        transition: color 0.3s;
      }
      .logo span {
        color: var(--secondary-color);
      }

      .nav-links {
        display: flex;
        gap: 2rem;
        align-items: center;
      }
      .nav-links a.nav-item {
        font-weight: 600;
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-main);
        position: relative;
        padding: 0.5rem 0;
        transition: color 0.3s;
      }
      .nav-links a.nav-item::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--secondary-color);
        transition: width var(--transition-speed) ease;
      }
      .nav-links a.nav-item:hover::after,
      .nav-links a.nav-item.active::after {
        width: 100%;
      }
      .nav-links a.nav-item:hover,
      .nav-links a.nav-item.active {
        color: var(--secondary-color);
      }

      /* Dark Hero Page Overrides (When header is transparent over an image) */
      header.dark-hero-page:not(.scrolled):not(.menu-open) .logo {
        color: var(--white);
      }
      header.dark-hero-page:not(.scrolled):not(.menu-open)
        .nav-links
        a.nav-item {
        color: var(--white);
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
      }
      header.dark-hero-page:not(.scrolled):not(.menu-open)
        .mobile-menu-btn
        span {
        background-color: var(--white);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
      }

      /* Animated Hamburger Menu */
      .mobile-menu-btn {
        display: none;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 20px;
        cursor: pointer;
        z-index: 1002;
      }
      .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--primary-color);
        transition: all 0.3s ease-in-out;
        border-radius: 2px;
      }
      .mobile-menu-btn.open span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
        background-color: var(--primary-color);
        box-shadow: none;
      }
      .mobile-menu-btn.open span:nth-child(2) {
        opacity: 0;
      }
      .mobile-menu-btn.open span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
        background-color: var(--primary-color);
        box-shadow: none;
      }

      .menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(11, 17, 32, 0.6);
        backdrop-filter: blur(4px);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
      }
      .menu-overlay.active {
        opacity: 1;
        pointer-events: auto;
      }

      /* ================= MAIN CONTENT SPA ================= */
      main {
        min-height: 100vh;
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 1;
      }
      .fade-out {
        opacity: 0;
        transform: translateY(10px);
      }

      /* ================= UI COMPONENTS ================= */
      .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 6rem 2rem;
      }
      .bg-white {
        background-color: var(--white);
      }
      .bg-gray {
        background-color: var(--bg-gray);
      }
      .bg-navy {
        background-color: var(--primary-color);
        color: var(--white);
      }

      /* Premium Section Headers */
      .section-header {
        text-align: center;
        margin-bottom: 4rem;
      }
      .sub-title {
        display: inline-block;
        color: var(--secondary-color);
        text-transform: uppercase;
        font-size: 0.85rem;
        font-weight: 700;
        letter-spacing: 3px;
        margin-bottom: 1rem;
        position: relative;
      }
      .sub-title::before,
      .sub-title::after {
        content: "";
        position: absolute;
        top: 50%;
        width: 40px;
        height: 1.5px;
        background: var(--secondary-color);
      }
      .sub-title::before {
        left: -60px;
      }
      .sub-title::after {
        right: -60px;
      }

      .section-title {
        font-size: 2.8rem;
        font-weight: 800;
        color: var(--primary-color);
        margin-bottom: 0;
        line-height: 1.2;
        letter-spacing: -0.5px;
        text-transform: none;
      }
      .bg-navy .section-title {
        color: var(--white);
      }

      .grid-3 {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 2.5rem;
      }

      /* BUTTONS */
      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, var(--primary-color), #1e293b);
        color: var(--white);
        padding: 0.9rem 2.5rem;
        border-radius: 6px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        text-transform: uppercase;
        letter-spacing: 1px;
        font-size: 0.9rem;
        transition: all var(--transition-speed);
        box-shadow: var(--shadow-md);
        text-align: center;
      }
      .btn:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
      }
      .btn-gold {
        background: linear-gradient(135deg, var(--secondary-color), #b8962e);
        box-shadow: var(--shadow-gold);
      }
      .btn-outline {
        background: transparent;
        color: var(--primary-color);
        border: 2px solid var(--primary-color);
        box-shadow: none;
      }
      .btn-outline:hover {
        background: var(--primary-color);
        color: var(--white);
      }
      .bg-navy .btn-outline {
        color: var(--white);
        border-color: var(--white);
      }
      .bg-navy .btn-outline:hover {
        background: var(--white);
        color: var(--primary-color);
      }
      .btn-full {
        width: 100%;
        display: block;
      }

      /* CARD (DỰ ÁN & THƯ VIỆN) */
      .property-card {
        background: var(--white);
        border-radius: 16px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        border: 1px solid rgba(0, 0, 0, 0.03);
        height: 100%;
        display: flex;
        flex-direction: column;
      }
      .property-card:hover {
        transform: translateY(-12px);
        box-shadow: var(--shadow-xl);
      }
      .property-img-wrapper {
        position: relative;
        height: 260px;
        overflow: hidden;
        flex-shrink: 0;
      }
      .property-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.8s ease;
      }
      .property-card:hover .property-img {
        transform: scale(1.1);
      }
      .property-badge {
        position: absolute;
        top: 20px;
        left: 20px;
        background: linear-gradient(135deg, var(--secondary-color), #b8962e);
        color: var(--white);
        padding: 0.5rem 1.2rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 700;
        box-shadow: var(--shadow-md);
        z-index: 2;
        text-transform: uppercase;
        letter-spacing: 1px;
      }
      .property-content {
        padding: 2rem;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
      }
      .property-title {
        font-size: 1rem;
        font-weight: 800;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
        line-height: 1.3;
      }
      .property-price {
        font-size: 1.5rem;
        color: var(--secondary-color);
        font-weight: 800;
        margin-bottom: 1rem;
      }
      .property-desc {
        color: var(--text-light);
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
      }
      .property-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid #e2e8f0;
        padding-top: 1.5rem;
        margin-top: auto;
      }
      .property-meta span {
        display: flex;
        align-items: center;
        gap: 5px;
        color: var(--text-main);
        font-weight: 500;
        font-size: 0.9rem;
      }

      .album-overlay {
        position: absolute;
        inset: 0;
        background: rgba(11, 17, 32, 0.4);
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity 0.3s;
      }
      .property-card:hover .album-overlay {
        opacity: 1;
      }
      .album-overlay-text {
        color: var(--white);
        background: rgba(0, 0, 0, 0.6);
        padding: 0.5rem 1.5rem;
        border-radius: 30px;
        font-weight: bold;
        backdrop-filter: blur(5px);
        display: flex;
        align-items: center;
        gap: 8px;
      }
      .cursor-pointer {
        cursor: pointer;
      }

      /* ================= HERO SLIDER ================= */
      .hero-slider-container {
        position: relative;
        height: 100vh;
        min-height: 600px;
        overflow: hidden;
      }
      .hero-slide {
        position: absolute;
        inset: 0;
        opacity: 0;
        transition:
          opacity 1s ease-in-out,
          transform 6s ease-out;
        background-size: cover;
        background-position: center;
        transform: scale(1.1);
        z-index: 1;
      }
      .hero-slide::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(
          180deg,
          rgba(11, 17, 32, 0.4) 0%,
          rgba(11, 17, 32, 0.8) 100%
        );
      }
      .hero-slide.active {
        opacity: 1;
        transform: scale(1);
        z-index: 2;
      }

      .hero-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        color: var(--white);
        z-index: 3;
        width: 100%;
        max-width: 900px;
        padding: 0 2rem;
      }
      .hero-content .subtitle {
        display: inline-block;
        color: var(--secondary-color);
        font-weight: 700;
        letter-spacing: 4px;
        text-transform: uppercase;
        margin-bottom: 1rem;
        font-size: 1rem;
        animation: slideUp 0.8s ease forwards;
      }
      .hero-content h1 {
        font-size: 4.5rem;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 1.5rem;
        line-height: 1.1;
        animation: slideUp 1s ease forwards;
      }
      .hero-content p {
        font-size: 1.2rem;
        color: #e2e8f0;
        margin-bottom: 2.5rem;
        font-weight: 300;
        animation: slideUp 1.2s ease forwards;
      }

      @keyframes slideUp {
        from {
          opacity: 0;
          transform: translateY(30px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .hero-controls {
        position: absolute;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 3;
        display: flex;
        gap: 12px;
      }
      .hero-dot {
        width: 40px;
        height: 4px;
        border-radius: 2px;
        background: rgba(255, 255, 255, 0.3);
        cursor: pointer;
        transition: all 0.3s;
      }
      .hero-dot.active {
        background: var(--secondary-color);
      }

      /* ================= OVERLAPPING ABOUT SECTION (HOME) ================= */
      .home-about-wrapper {
        display: flex;
        align-items: center;
        position: relative;
        margin-top: 2rem;
      }
      .home-about-img {
        flex: 1;
        position: relative;
        z-index: 1;
        padding-right: 3rem;
      }
      .home-about-img img {
        border-radius: 16px;
        height: 600px;
        width: 100%;
        object-fit: cover;
        box-shadow: var(--shadow-xl);
        position: relative;
        z-index: 2;
      }

      /* Cập nhật viền cho ảnh trang chủ */
      .home-about-img::before {
        content: "";
        position: absolute;
        right: 1rem;
        bottom: -1.5rem;
        width: 85%;
        height: 95%;
        border: 4px solid var(--secondary-color);
        border-radius: 16px;
        z-index: 0;
        transition: transform 0.5s;
      }
      .home-about-wrapper:hover .home-about-img::before {
        transform: translate(-10px, -10px);
      }

      /* Huy hiệu kinh nghiệm trôi lơ lửng */
      .exp-badge {
        position: absolute;
        bottom: 3rem;
        left: -2rem;
        background: var(--white);
        padding: 1.5rem 2rem;
        border-radius: 12px;
        box-shadow: var(--shadow-xl);
        display: flex;
        align-items: center;
        gap: 1rem;
        z-index: 3;
        border-left: 4px solid var(--secondary-color);
        animation: float 6s ease-in-out infinite;
      }
      @keyframes float {
        0% {
          transform: translateY(0);
        }
        50% {
          transform: translateY(-10px);
        }
        100% {
          transform: translateY(0);
        }
      }
      .exp-badge .num {
        font-size: 2.8rem;
        font-weight: 900;
        color: var(--primary-color);
        line-height: 1;
      }
      .exp-badge .text {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--text-light);
        text-transform: uppercase;
        line-height: 1.4;
        letter-spacing: 1px;
      }

      .home-about-card {
        flex: 1.1;
        background: var(--white);
        padding: 4.5rem 4rem;
        border-radius: 16px;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
        z-index: 2;
        margin-left: -10%;
        position: relative;
      }
      .signature {
        font-family: "Brush Script MT", "Dancing Script", cursive, sans-serif;
        font-size: 2.5rem;
        color: var(--secondary-color);
        opacity: 0.8;
        line-height: 1;
      }

      /* ================= ABOUT (GIỚI THIỆU TỔNG) COMPONENTS ================= */
      .about-profile {
        display: flex;
        gap: 4rem;
        align-items: center;
      }
      .about-img-wrap {
        flex: 1;
        position: relative;
      }
      .about-img-wrap img {
        border-radius: 16px;
        box-shadow: var(--shadow-lg);
        width: 100%;
        aspect-ratio: 4/5;
        object-fit: cover;
      }
      .about-img-wrap::after {
        content: "";
        position: absolute;
        bottom: -20px;
        right: -20px;
        width: 100%;
        height: 100%;
        border: 4px solid var(--secondary-color);
        border-radius: 16px;
        z-index: -1;
        transition: all 0.5s;
      }
      .about-profile:hover .about-img-wrap::after {
        transform: translate(-10px, -10px);
      }

      .about-content {
        flex: 1.2;
      }
      .about-content h2 {
        font-size: 2.2rem;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
        font-weight: 800;
      }
      .about-content h3 {
        font-size: 1.2rem;
        color: var(--secondary-color);
        margin-bottom: 1.5rem;
        text-transform: uppercase;
        letter-spacing: 1px;
      }

      .about-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        margin-top: 2.5rem;
      }
      .stat-item {
        padding: 1.5rem;
        background: var(--white);
        border-radius: 12px;
        box-shadow: var(--shadow-md);
        text-align: center;
        border-bottom: 4px solid var(--secondary-color);
        transition: transform 0.3s;
      }
      .stat-item:hover {
        transform: translateY(-5px);
      }
      .stat-num {
        font-size: 2.5rem;
        font-weight: 900;
        color: var(--primary-color);
        line-height: 1;
        margin-bottom: 0.5rem;
      }
      .stat-label {
        color: var(--text-light);
        font-weight: 600;
        text-transform: uppercase;
        font-size: 0.85rem;
      }

      .value-card {
        text-align: center;
        padding: 3rem 2rem;
        background: var(--white);
        border-radius: 12px;
        box-shadow: var(--shadow-md);
        transition: transform 0.3s;
      }
      .value-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-lg);
        border-bottom: 3px solid var(--secondary-color);
      }
      .value-icon {
        font-size: 3rem;
        margin-bottom: 1.5rem;
        display: inline-block;
      }

      /* ================= RESALE (CHUYỂN NHƯỢNG) COMPONENTS ================= */
      .filter-bar {
        display: flex;
        gap: 1rem;
        margin-bottom: 3rem;
        justify-content: center;
        flex-wrap: wrap;
      }
      .resale-list {
        display: flex;
        flex-direction: column;
        gap: 2rem;
      }
      .resale-card {
        display: flex;
        background: var(--white);
        border-radius: 12px;
        overflow: hidden;
        box-shadow: var(--shadow-md);
        transition: transform 0.3s;
        border: 1px solid #f1f5f9;
      }
      .resale-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
      }
      .resale-img-wrapper {
        width: 40%;
        position: relative;
        overflow: hidden;
      }
      .resale-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
      }
      .resale-card:hover .resale-img {
        transform: scale(1.08);
      }
      .resale-badge {
        position: absolute;
        top: 15px;
        left: 15px;
        background: #e11d48;
        color: white;
        padding: 0.3rem 0.8rem;
        border-radius: 4px;
        font-size: 0.8rem;
        font-weight: bold;
        box-shadow: var(--shadow-sm);
        z-index: 2;
      }
      .resale-content {
        width: 60%;
        padding: 2rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
      }
      .resale-title {
        font-size: 1.4rem;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
      }
      .resale-price {
        font-size: 1.6rem;
        color: var(--secondary-color);
        font-weight: 800;
        margin-bottom: 1rem;
      }
      .resale-specs {
        display: flex;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
        color: var(--text-main);
        font-size: 0.95rem;
        font-weight: 600;
        flex-wrap: wrap;
      }
      .resale-spec-item {
        display: flex;
        align-items: center;
        gap: 5px;
        background: var(--bg-gray);
        padding: 0.4rem 1rem;
        border-radius: 20px;
      }
      .resale-desc {
        color: var(--text-light);
        margin-bottom: 1.5rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
      }

      /* ================= NEWS (TIN TỨC) COMPONENTS ================= */
      .news-featured {
        display: flex;
        background: var(--white);
        border-radius: 16px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        margin-bottom: 4rem;
        transition: all 0.3s;
        border: 1px solid #f1f5f9;
      }
      .news-featured:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-xl);
      }
      .news-f-img {
        width: 55%;
        position: relative;
        overflow: hidden;
      }
      .news-f-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
      }
      .news-featured:hover .news-f-img img {
        transform: scale(1.05);
      }
      .news-f-content {
        width: 45%;
        padding: 3.5rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
      }
      .news-meta {
        display: flex;
        align-items: center;
        gap: 1rem;
        margin-bottom: 1.5rem;
        font-size: 0.9rem;
        font-weight: 600;
      }
      .news-category {
        color: var(--secondary-color);
        text-transform: uppercase;
        letter-spacing: 1px;
      }
      .news-date {
        color: var(--text-light);
        font-weight: 400;
      }
      .news-f-title {
        font-size: 2rem;
        color: var(--primary-color);
        margin-bottom: 1rem;
        line-height: 1.3;
        font-weight: 800;
      }
      .news-f-desc {
        color: var(--text-light);
        margin-bottom: 2.5rem;
        font-size: 1.05rem;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
      }

      .news-card {
        display: flex;
        flex-direction: column;
        background: var(--white);
        border-radius: 16px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        transition: all 0.5s;
        border: 1px solid rgba(0, 0, 0, 0.03);
        height: 100%;
      }
      .news-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-xl);
      }
      .news-img-wrapper {
        height: 240px;
        overflow: hidden;
        position: relative;
        flex-shrink: 0;
      }
      .news-img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.8s ease;
      }
      .news-card:hover .news-img-wrapper img {
        transform: scale(1.08);
      }
      .news-c-content {
        padding: 2rem;
        display: flex;
        flex-direction: column;
        flex: 1;
      }
      .news-c-title {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 1rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        transition: color 0.3s;
      }
      .news-card:hover .news-c-title {
        color: var(--secondary-color);
      }

      /* Pagination */
      .pagination {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 0.5rem;
        margin-top: 3rem;
      }
      .page-btn {
        width: 40px;
        height: 40px;
        border-radius: 8px;
        border: 1px solid #cbd5e1;
        background: var(--white);
        color: var(--text-main);
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.3s;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .page-btn:hover {
        background: var(--bg-gray);
        border-color: var(--secondary-color);
        color: var(--primary-color);
      }
      .page-btn.active {
        background: var(--secondary-color);
        color: var(--white);
        border-color: var(--secondary-color);
        box-shadow: var(--shadow-md);
      }

      /* Article Detail */
      .article-content {
        font-size: 1.1rem;
        color: var(--text-main);
        line-height: 1.8;
        text-align: justify;
      }
      .article-content p {
        margin-bottom: 1.5rem;
      }
      .article-content h2 {
        color: var(--primary-color);
        font-size: 1.8rem;
        margin: 2.5rem 0 1.2rem;
        font-weight: 700;
      }
      .article-content img {
        width: 100%;
        border-radius: 12px;
        margin: 2rem 0;
        box-shadow: var(--shadow-md);
      }

      /* ================= BỐ CỤC 2 CỘT DETAILS ================= */
      .pd-hero {
        position: relative;
        height: 60vh;
        min-height: 400px;
        display: flex;
        align-items: flex-end;
        padding-bottom: 4rem;
      }
      .pd-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(
          to top,
          rgba(11, 17, 32, 0.95) 0%,
          rgba(11, 17, 32, 0.3) 60%,
          transparent 100%
        );
        z-index: 1;
      }
      .pd-hero-img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 0;
      }
      .pd-hero-content {
        position: relative;
        z-index: 2;
        color: var(--white);
        max-width: var(--max-width);
        margin: 0 auto;
        width: 100%;
        padding: 0 2rem;
      }
      .pd-badge {
        display: inline-block;
        background: var(--secondary-color);
        padding: 0.3rem 1rem;
        border-radius: 20px;
        font-weight: bold;
        font-size: 0.9rem;
        margin-bottom: 1rem;
      }
      .pd-title {
        font-size: 3.5rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
        line-height: 1.2;
        text-transform: uppercase;
      }
      .pd-location {
        font-size: 1.2rem;
        color: #cbd5e1;
        display: flex;
        align-items: center;
        gap: 0.5rem;
      }

      .pd-layout-container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 3rem 2rem;
        display: grid;
        grid-template-columns: minmax(0, 1fr) 350px;
        gap: 3rem;
        align-items: start;
      }
      .pd-main-content {
        padding-bottom: 3rem;
      }

      .pd-sidebar {
        position: sticky;
        top: 120px;
        background: var(--white);
        border-radius: 16px;
        padding: 2.5rem 2rem;
        box-shadow: var(--shadow-lg);
        border: 1px solid #f1f5f9;
        text-align: center;
      }
      .agent-avatar {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        object-fit: cover;
        margin: 0 auto 1.5rem;
        border: 4px solid var(--bg-gray);
        box-shadow: var(--shadow-md);
      }
      .agent-name {
        font-size: 1.5rem;
        color: var(--primary-color);
        font-weight: 800;
        margin-bottom: 0.2rem;
      }
      .agent-title {
        color: var(--secondary-color);
        font-weight: 600;
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
        text-transform: uppercase;
        letter-spacing: 1px;
      }
      .agent-info {
        margin-bottom: 2rem;
        text-align: left;
      }
      .agent-info-item {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 0.8rem;
        color: var(--text-main);
        font-weight: 500;
      }

      .pd-section {
        margin-bottom: 4rem;
        scroll-margin-top: 100px;
      }
      .pd-heading {
        font-size: 2rem;
        color: var(--primary-color);
        margin-bottom: 2rem;
        font-weight: 700;
        border-bottom: 2px solid var(--bg-gray);
        padding-bottom: 1rem;
      }
      .overview-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        background: var(--bg-gray);
        padding: 2.5rem;
        border-radius: 12px;
      }
      .overview-item h4 {
        color: var(--text-light);
        font-size: 0.85rem;
        margin-bottom: 0.3rem;
        text-transform: uppercase;
      }
      .overview-item p {
        color: var(--primary-color);
        font-weight: 700;
        font-size: 1.1rem;
      }

      .gallery-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
      }
      .gallery-item {
        border-radius: 8px;
        overflow: hidden;
        height: 200px;
        cursor: pointer;
        position: relative;
      }
      .gallery-item::after {
        content: "+ Xem ảnh";
        position: absolute;
        inset: 0;
        background: rgba(11, 17, 32, 0.5);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        opacity: 0;
        transition: opacity 0.3s;
      }
      .gallery-item:hover::after {
        opacity: 1;
      }
      .gallery-item img {
        width: 100%;
        height: 100%;
        transition: transform 0.5s;
        object-fit: cover;
      }
      .gallery-item:hover img {
        transform: scale(1.1);
      }
      .video-wrapper {
        position: relative;
        padding-bottom: 56.25%;
        height: 0;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
      }
      .video-wrapper iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: 0;
      }

      /* ================= PREMIUM FOOTER ================= */
      footer {
        background: var(--primary-color);
        color: var(--white);
        position: relative;
        overflow: hidden;
      }
      .footer-top {
        padding: 5rem 0 3rem;
      }
      .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 3rem;
      }

      .footer-logo {
        font-size: 2rem;
        font-weight: 800;
        color: var(--white);
        display: inline-block;
        margin-bottom: 1rem;
        letter-spacing: -0.5px;
      }
      .footer-logo span {
        color: var(--secondary-color);
      }
      .footer-desc {
        color: #94a3b8;
        line-height: 1.8;
        margin-bottom: 1.5rem;
        font-size: 0.95rem;
      }

      .social-links {
        display: flex;
        gap: 1rem;
      }
      .social-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        color: var(--white);
        transition: all 0.3s;
        border: 1px solid rgba(255, 255, 255, 0.1);
      }
      .social-icon:hover {
        background: var(--secondary-color);
        border-color: var(--secondary-color);
        transform: translateY(-3px);
      }
      .social-icon svg {
        width: 18px;
        height: 18px;
        fill: currentColor;
      }

      .footer-title {
        font-size: 1.1rem;
        color: var(--white);
        margin-bottom: 1.5rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
      }
      .footer-links li {
        margin-bottom: 0.8rem;
      }
      .footer-links a {
        color: #94a3b8;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        transition: all 0.3s;
      }
      .footer-links a::before {
        content: "›";
        margin-right: 8px;
        color: var(--secondary-color);
        opacity: 0;
        transform: translateX(-10px);
        transition: all 0.3s;
      }
      .footer-links a:hover {
        color: var(--secondary-color);
        transform: translateX(5px);
      }
      .footer-links a:hover::before {
        opacity: 1;
        transform: translateX(0);
      }

      .newsletter-form {
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
        margin-top: 1rem;
      }
      .newsletter-form input {
        width: 100%;
        padding: 0.9rem 1.2rem;
        border-radius: 6px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        background: rgba(255, 255, 255, 0.05);
        color: var(--white);
        font-size: 0.95rem;
        outline: none;
        transition: border-color 0.3s;
      }
      .newsletter-form input::placeholder {
        color: #64748b;
      }
      .newsletter-form input:focus {
        border-color: var(--secondary-color);
      }
      .newsletter-form button {
        background: var(--secondary-color);
        color: var(--primary-color);
        border: none;
        padding: 0.9rem;
        border-radius: 6px;
        font-weight: 700;
        cursor: pointer;
        text-transform: uppercase;
        letter-spacing: 1px;
        transition: background 0.3s;
      }
      .newsletter-form button:hover {
        background: var(--white);
      }

      .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 1.5rem 0;
      }
      .footer-bottom-flex {
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #64748b;
        font-size: 0.9rem;
      }
      .footer-legal a {
        margin-left: 1.5rem;
        transition: color 0.3s;
      }
      .footer-legal a:hover {
        color: var(--secondary-color);
      }

      /* ================= MODAL GLOBAL TƯ VẤN ================= */
      .modal {
        position: fixed;
        inset: 0;
        background: rgba(11, 17, 32, 0.85);
        backdrop-filter: blur(5px);
        z-index: 9999;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
      }
      .modal.active {
        opacity: 1;
        pointer-events: auto;
      }
      .modal-container {
        background: var(--white);
        width: 90%;
        max-width: 500px;
        border-radius: 16px;
        padding: 2.5rem;
        position: relative;
        transform: translateY(20px);
        transition: transform 0.3s ease;
        box-shadow: var(--shadow-lg);
      }
      .modal.active .modal-container {
        transform: translateY(0);
      }
      .modal-close {
        position: absolute;
        top: 1rem;
        right: 1.5rem;
        font-size: 2rem;
        color: var(--text-light);
        cursor: pointer;
        line-height: 1;
        transition: color 0.3s;
        border: none;
        background: transparent;
      }
      .modal-close:hover {
        color: var(--primary-color);
      }
      .modal-title {
        font-size: 1.8rem;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
        font-weight: 800;
        text-align: center;
      }
      .modal-desc {
        text-align: center;
        color: var(--text-light);
        margin-bottom: 2rem;
        font-size: 0.95rem;
      }
      .form-group {
        margin-bottom: 1.2rem;
        text-align: left;
      }
      .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--primary-color);
      }
      .form-group input,
      .form-group textarea {
        width: 100%;
        padding: 0.8rem 1rem;
        border: 1px solid #cbd5e1;
        border-radius: 8px;
        font-size: 1rem;
        outline: none;
        transition: all 0.3s;
      }
      .form-group input:focus,
      .form-group textarea:focus {
        border-color: var(--secondary-color);
        box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
      }

      /* ================= LIGHTBOX GALLERY SLIDER ================= */
      .lightbox-modal {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.95);
        z-index: 10000;
        display: flex;
        flex-direction: column;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
      }
      .lightbox-modal.active {
        opacity: 1;
        pointer-events: auto;
      }
      .lightbox-progress {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: rgba(255, 255, 255, 0.2);
        z-index: 2;
      }
      .lightbox-progress-bar {
        height: 100%;
        width: 0;
        background: var(--secondary-color);
      }
      .lightbox-progress-bar.animate {
        animation: galleryProgress 4s linear;
      }
      @keyframes galleryProgress {
        0% {
          width: 0;
        }
        100% {
          width: 100%;
        }
      }
      .lightbox-header {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        padding: 1.5rem 2rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 2;
      }
      .lightbox-counter {
        color: var(--white);
        font-size: 1.2rem;
        font-weight: bold;
        letter-spacing: 2px;
      }
      .lightbox-close {
        color: var(--white);
        font-size: 2.5rem;
        cursor: pointer;
        background: transparent;
        border: none;
        line-height: 1;
      }

      .lightbox-content {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        padding: 2rem;
      }
      .lightbox-img,
      .lightbox-video {
        display: none;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        opacity: 0;
        transition: opacity 0.4s;
      }
      .lightbox-img.active,
      .lightbox-video.active {
        display: block;
        opacity: 1;
      }
      .lightbox-img {
        max-height: 85vh;
        max-width: 90vw;
        object-fit: contain;
      }
      .lightbox-video {
        width: 85vw;
        height: 48vw;
        max-height: 80vh;
        max-width: 142vh;
        border: none;
        background: #000;
      }

      .lightbox-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        background: rgba(255, 255, 255, 0.1);
        color: white;
        border: none;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        font-size: 1.5rem;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s;
        backdrop-filter: blur(5px);
        z-index: 3;
      }
      .lightbox-nav:hover {
        background: var(--secondary-color);
        color: var(--primary-color);
      }
      .lightbox-prev {
        left: 2rem;
      }
      .lightbox-next {
        right: 2rem;
      }

      /* ================= RESPONSIVE ================= */
      @media (max-width: 1100px) {
        .footer-grid {
          grid-template-columns: 1fr 1fr;
          gap: 2rem;
        }
      }
      @media (max-width: 992px) {
        .pd-layout-container {
          grid-template-columns: 1fr;
        }
        .pd-sidebar {
          position: relative;
          top: 0;
          margin-bottom: 3rem;
          order: -1;
        }
        .pd-title {
          font-size: 2.5rem;
        }
        .resale-card,
        .news-featured {
          flex-direction: column;
        }
        .resale-img-wrapper,
        .resale-content,
        .news-f-img,
        .news-f-content {
          width: 100%;
        }
        .resale-img-wrapper,
        .news-f-img {
          height: 250px;
        }
        .news-f-content {
          padding: 2rem;
        }

        /* Responsive About Section (Home & About Page) */
        .home-about-wrapper,
        .about-profile {
          flex-direction: column;
        }
        .home-about-img,
        .about-img-wrap {
          padding-right: 0;
          width: 100%;
        }
        .home-about-img::before,
        .about-img-wrap::after {
          display: none;
        }
        .home-about-card {
          margin-left: 0;
          margin-top: -10%;
          width: 90%;
          padding: 2.5rem;
        }
        .exp-badge {
          left: 1rem;
          bottom: 1rem;
          padding: 1rem;
          border-radius: 8px;
        }
        .exp-badge .num {
          font-size: 2rem;
        }

        /* Cập nhật Mobile Drawer Menu */
        .nav-links {
          position: fixed;
          top: 0;
          right: -320px;
          width: 320px;
          max-width: 100vw;
          height: 100vh;
          background: var(--white) !important;
          flex-direction: column;
          padding: 100px 2.5rem 2rem;
          transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
          z-index: 1001;
          box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
          align-items: flex-start;
          gap: 1rem;
        }
        .nav-links.active {
          right: 0;
        }
        .nav-links a.nav-item {
          font-size: 1.2rem;
          width: 100%;
          border-bottom: 1px solid #f1f5f9;
          padding: 1rem 0;
          color: var(--text-main) !important;
          text-shadow: none !important;
        }
        .nav-links a.nav-item:hover,
        .nav-links a.nav-item.active {
          color: var(--secondary-color) !important;
        }
        .nav-links .btn-gold {
          margin-top: 1.5rem;
          width: 100%;
          justify-content: center;
          color: white !important;
        }
        .mobile-menu-btn {
          display: flex;
        }
      }
      @media (max-width: 768px) {
        .overview-grid,
        .about-stats {
          grid-template-columns: 1fr;
        }
        .hero-content h1 {
          font-size: 2.5rem;
        }
        .hero-content p {
          font-size: 1rem;
        }
        .section-title {
          font-size: 2.2rem;
        }
        .footer-grid {
          grid-template-columns: 1fr;
          gap: 2.5rem;
        }
        .footer-bottom-flex {
          flex-direction: column;
          gap: 1rem;
          text-align: center;
        }
        .footer-legal a {
          margin: 0 0.5rem;
        }
      }
/* PJAX transitions */
#app-root.is-leaving {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
#app-root.is-entering {
  animation: dcSaleEnter 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes dcSaleEnter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.consult-form-message { margin-top: 1rem; font-size: 0.9rem; }
.consult-form-message.is-error { color: #e11d48; }
.consult-form-message.is-success { color: #16a34a; }

.dc-consult-submit {
  position: relative;
  min-height: 48px;
}
.dc-consult-submit.is-loading {
  pointer-events: none;
  opacity: 0.92;
}
.dc-consult-submit.is-loading .dc-consult-submit-label {
  opacity: 0;
}
.dc-consult-submit.is-loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.25rem;
  height: 1.25rem;
  margin: -0.625rem 0 0 -0.625rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dc-consult-spin 0.65s linear infinite;
}
@keyframes dc-consult-spin {
  to { transform: rotate(360deg); }
}

.consult-success-panel {
  text-align: center;
  padding: 1rem 0 0.5rem;
}
.consult-success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: #dcfce7;
  color: #16a34a;
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 72px;
}
.consult-success-text {
  color: var(--text-main);
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0;
}

.thanks-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
}
.thanks-page-inner {
  max-width: 640px;
  text-align: center;
}
.thanks-page-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary-color), #fbbf24);
  color: var(--primary-color);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 88px;
}
.thanks-page-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 800;
}
.thanks-page-desc {
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.thanks-page-redirect-note {
  margin-top: 1.5rem;
  color: var(--text-light);
  font-size: 0.95rem;
}
.thanks-page-redirect-note span {
  color: var(--secondary-color);
  font-weight: 700;
}

/* WordPress nav menu inside flex header */
.nav-links li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.filter-bar .dc-filter-btn.active {
  pointer-events: none;
}
.dc-archive-results {
  transition: opacity 0.25s ease;
}

.dc-fixed-contact {
  position: fixed;
  right: 16px;
  bottom: 24px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dc-fixed-contact__btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  transform-origin: center bottom;
  animation: dc-fixed-contact-wobble 3.2s ease-in-out infinite;
}
.dc-fixed-contact__btn:nth-child(1) {
  animation-delay: 0s;
}
.dc-fixed-contact__btn:nth-child(2) {
  animation-delay: 0.45s;
}
.dc-fixed-contact__btn:nth-child(3) {
  animation-delay: 0.9s;
}
.dc-fixed-contact__btn:nth-child(4) {
  animation-delay: 1.35s;
}
.dc-fixed-contact__btn:hover {
  animation-play-state: paused;
  transform: translateY(-2px) scale(1.08);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.28);
  color: #fff;
}
@keyframes dc-fixed-contact-wobble {
  0%, 100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  15% {
    transform: translate3d(0, -2px, 0) rotate(-3deg);
  }
  30% {
    transform: translate3d(0, 0, 0) rotate(3deg);
  }
  45% {
    transform: translate3d(0, -1px, 0) rotate(-2deg);
  }
  60% {
    transform: translate3d(0, 0, 0) rotate(2deg);
  }
  75% {
    transform: translate3d(0, -1px, 0) rotate(-1deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .dc-fixed-contact__btn {
    animation: none;
  }
}
.dc-fixed-contact__btn svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}
.dc-fixed-contact__btn--facebook {
  background: #1877f2;
}
.dc-fixed-contact__btn--messenger {
  background: linear-gradient(135deg, #00b2ff, #006aff);
}
.dc-fixed-contact__btn--zalo {
  background: #0068ff;
}
.dc-fixed-contact__btn--telegram {
  background: #26a5e4;
}
@media (max-width: 768px) {
  .dc-fixed-contact {
    right: 12px;
    bottom: 16px;
    gap: 8px;
  }
  .dc-fixed-contact__btn {
    width: 44px;
    height: 44px;
  }
  .dc-fixed-contact__btn svg {
    width: 20px;
    height: 20px;
  }
}