/*==================================================
                RESET & VARIABLES
==================================================*/
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
    --primary: #06367d;
    --primary-dark: #03204e;
    --yellow: #ffb400;
    --yellow-hover: #e6a200;
    --title: #101828;
    --text: #5b6778;
    --white: #ffffff;
    --header-height: 90px;
    --container: 1320px;
    --transition: .3s cubic-bezier(.4, 0, .2, 1);
    --shadow-sm: 0 4px 12px rgba(6, 54, 125, 0.06);
    --shadow-lg: 0 20px 40px rgba(6, 54, 125, 0.12);
}

body {
    font-family: "Be Vietnam Pro", sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: #ffffff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    border: none;
    outline: none;
    background: none;
    cursor: pointer;
    font: inherit;
}

/* Container */
.container {
    width: min(var(--container), calc(100% - 48px));
    margin: 0 auto;
    position: relative;
}

/*==================================================
                HEADER & NAVIGATION
==================================================*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.header-wrapper {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-text {
    font-size: 22px;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-text strong {
    color: var(--yellow);
}

.navigation-list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.navigation-item {
    position: relative;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.navigation-link {
    font-size: 13px;
    font-weight: 800;
    color: #172133;
    display: flex;
    align-items: center;
    gap: 5px;
    height: 100%;
    transition: var(--transition);
    cursor: pointer;
}

.navigation-link i {
    font-size: 16px;
    transition: transform var(--transition);
}

.navigation-link:hover,
.navigation-link.active {
    color: var(--primary);
}

.navigation-item.has-dropdown:hover .navigation-link i {
    transform: rotate(180deg);
    color: var(--primary);
}

/* Dropdown Menu */
.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 220px;
    background: #ffffff;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 15px 35px rgba(6, 54, 125, 0.15);
    border: 1px solid #eef3f9;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.dropdown::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #ffffff;
    border-top: 1px solid #eef3f9;
    border-left: 1px solid #eef3f9;
}

.navigation-item.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown li {
    width: 100%;
}

.dropdown a {
    display: flex;
    align-items: center;
    height: 40px;
    padding: 0 14px;
    color: #334155;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    white-space: nowrap;
    transition: var(--transition);
}

.dropdown a:hover {
    background: rgba(6, 54, 125, 0.06);
    color: var(--primary);
    padding-left: 20px;
}

/* Hotline Header */
.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-phone__icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 180, 0, 0.15);
    color: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.header-phone__content {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.header-phone__content small {
    font-size: 10px;
    font-weight: 700;
    color: #7a8698;
}

.header-phone__content strong {
    font-size: 16px;
    font-weight: 800;
    color: var(--primary);
}

.mobile-button {
    display: none;
    font-size: 26px;
    color: var(--primary);
}

/*==================================================
                HERO SECTION (FIXED DOTS & DECOR)
==================================================*/
.hero {
    position: relative;
    padding-top: var(--header-height);
    min-height: 720px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

/* Container chứa hiệu ứng nền trang trí */
.hero-bg-decor {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    /* Nổi lên trên nền trắng nhưng nằm dưới content */
}

/* HIỆU ỨNG LƯỚI CHẤM NHỎ (DOT GRID) LẤP KHOẢNG TRỐNG */
.hero-bg-dots {
    bottom: 0;
    position: absolute;
    left: 0;
    /* Nằm ở giữa khoảng trắng giao giữa Text và Ảnh cắt chéo */
    width: 320px;
    height: 380px;
    z-index: 2;
    background-image: radial-gradient(var(--primary) 2px, transparent 2px);
    background-size: 22px 22px;
    opacity: 0.22;

    /* Mask làm mờ dần các mép chấm tròn */
    -webkit-mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 30%, rgba(0, 0, 0, 0) 80%);
    mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 30%, rgba(0, 0, 0, 0) 80%);
    animation: dotsFloat 7s ease-in-out infinite alternate;
}

@keyframes dotsFloat {
    0% {
        transform: translateY(0) scale(1);
    }

    100% {
        transform: translateY(-12px) scale(1.02);
    }
}

/* Quầng sáng hiệu ứng Depth 3D */
.hero-bg-glow--blue {
    position: absolute;
    top: 80px;
    left: 0;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(6, 54, 125, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero-bg-glow--yellow {
    position: absolute;
    top: 250px;
    left: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 180, 0, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    filter: blur(50px);
}

/* Background Right cắt chéo */
.hero-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 52%;
    height: 100%;
    z-index: 1;
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-visual__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-visual__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0%, rgba(6, 54, 125, 0.08) 100%);
}

/* Vạch sọc trang trí góc chéo */
.hero-accent-stripe {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 3;
}

.primary-stripe {
    left: 14%;
    width: 6px;
    background: var(--primary);
    transform: skewX(-12deg);
    box-shadow: -4px 0 15px rgba(6, 54, 125, 0.3);
}

.yellow-stripe {
    left: 15.2%;
    width: 4px;
    background: var(--yellow);
    transform: skewX(-12deg);
}

/* Content Left */
.hero-container {
    position: relative;
    z-index: 10;
    padding: 60px 0 120px;
}

.hero-content {
    max-width: 580px;
}

.subtitle-badge {
    display: inline-block;
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.hero-title {
    line-height: 1.05;
    margin-bottom: 20px;
}

.hero-title__small {
    display: block;
    color: var(--title);
    font-size: 38px;
    font-weight: 900;
    letter-spacing: -1px;
}

.hero-title__main {
    display: block;
    color: var(--yellow);
    font-size: 76px;
    font-weight: 900;
    letter-spacing: -2px;
}

.hero-description {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-description strong {
    color: var(--primary);
}

/* Features grid */
.hero-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid #ebf0f6;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(6, 54, 125, 0.06);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 10px;
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    background: var(--primary);
    color: var(--yellow);
    transform: translateY(-3px);
}

.feature-text h4 {
    font-size: 11px;
    font-weight: 800;
    color: var(--title);
    line-height: 1.2;
}

.feature-text span {
    font-size: 10px;
    font-weight: 700;
    color: #728196;
}

/* Buttons */
.hero-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn {
    height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(6, 54, 125, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-primary i {
    color: var(--yellow);
    font-size: 16px;
}

.btn-outline {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #d0dbe7;
    color: var(--primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: #ffffff;
    transform: translateY(-2px);
}

.btn-play-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(6, 54, 125, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* Stats Bar */
.hero-stats-wrapper {
    position: relative;
    z-index: 20;
    margin-top: -50px;
}

.hero-stats {
    background: linear-gradient(135deg, #083983 0%, #042453 100%);
    border-radius: 14px;
    padding: 24px 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    box-shadow: var(--shadow-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 12px;
}

.stat-item:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-icon {
    font-size: 32px;
    color: var(--yellow);
}

.stat-info strong {
    display: block;
    color: #ffffff;
    font-size: 26px;
    font-weight: 900;
    line-height: 1;
}

.stat-info span {
    display: block;
    color: rgba(255, 255, 255, 0.85);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3px;
    margin-top: 4px;
}

/*==================================================
                PRODUCTS SECTION
==================================================*/
.products {
    padding: 90px 0;
    background-color: #fbfcfd;
}

.products-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
}

.products-eyebrow {
    display: block;
    color: var(--yellow);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 4px;
}

.products-heading {
    color: var(--primary);
    font-size: 28px;
    font-weight: 900;
}

.products-line {
    display: block;
    width: 38px;
    height: 3px;
    background: var(--yellow);
    border-radius: 2px;
    margin-top: 6px;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid #d1dce8;
    border-radius: 8px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    transition: var(--transition);
}

.btn-view-all i {
    color: var(--yellow);
    font-size: 16px;
}

.btn-view-all:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.product-card {
    background: #ffffff;
    border: 1px solid #e7edf5;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(6, 54, 125, 0.2);
}

.product-card__thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.product-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-card__thumb img {
    transform: scale(1.08);
}

.product-card__body {
    padding: 14px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-card__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
}

.product-card__title {
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #617185;
    font-size: 11px;
    font-weight: 700;
}

.product-card__link i {
    color: var(--yellow);
}

.product-card:hover .product-card__link {
    color: var(--primary);
}

/*==================================================
   HEFINE 3D PROJECT MOODBOARD - BRAND COLOR LUXURY
==================================================*/
.projects-3d-section {
    position: relative;
    width: 100%;
    min-height: 900px;
    height: 900px;
    background: radial-gradient(circle at 50% 45%, rgba(6, 54, 125, 0.45) 0%, rgba(3, 32, 78, 0.85) 50%, #02091a 100%), #02091a;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Be Vietnam Pro', sans-serif;
    color: #ffffff;
    transition: background 0.6s ease;
}

body.project-focused .projects-3d-section {
    background: #010512;
}

.gn-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(150px);
    z-index: 1;
    will-change: transform, opacity;
}

.gn-glow--1 {
    top: -120px;
    left: 15%;
    width: 580px;
    height: 580px;
    background: rgba(255, 180, 0, 0.18);
}

.gn-glow--2 {
    right: 10%;
    bottom: -160px;
    width: 650px;
    height: 650px;
    background: rgba(6, 54, 125, 0.55);
}

.projects-3d-header {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(800px, calc(100% - 40px));
    z-index: 30;
    text-align: center;
    pointer-events: none;
    opacity: 1;
    filter: blur(0);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), filter 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.projects-3d-section.is-stage-hovered .projects-3d-header {
    opacity: 0.12;
    filter: blur(10px);
    transform: translate(-50%, -55%);
}

body.project-focused .projects-3d-header {
    opacity: 0 !important;
}

.gold-eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 24px;
    background: rgba(6, 54, 125, 0.6);
    border: 1.5px solid var(--yellow);
    border-radius: 30px;
    color: #ffd858;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 25px rgba(255, 180, 0, 0.25);
}

.gold-title {
    margin: 0;
    font-size: 52px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #fff2ad 25%, #ffb400 50%, #d4af37 75%, #ffe699 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: goldShimmer 5s linear infinite;
    filter: drop-shadow(0 4px 20px rgba(255, 180, 0, 0.45));
}

@keyframes goldShimmer {
    0% {
        background-position: 0% center;
    }

    100% {
        background-position: 200% center;
    }
}

.gold-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 18px 0;
}

.gold-line {
    width: 60px;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, #ffb400, transparent);
}

.gold-divider i {
    color: #ffb400;
    font-size: 16px;
}

.gold-desc {
    margin: 0;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.6;
    font-weight: 500;
}

.projects-stage {
    position: relative;
    width: min(1360px, calc(100% - 32px));
    height: 760px;
    z-index: 10;
    border-radius: 24px;
    cursor: grab;
    opacity: 0.45;
    filter: blur(4px) brightness(0.75);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), filter 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    touch-action: none;
    overflow: visible;
}

.projects-stage canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    max-width: 100%;
    max-height: 100%;
    outline: none;
    touch-action: none;
}

.projects-3d-section.is-stage-hovered .projects-stage {
    opacity: 1;
    filter: blur(0) brightness(1);
}

.projects-stage.dragging {
    cursor: grabbing;
}

.projects-stage.hoverable {
    cursor: pointer;
}

.projects-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 25;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.7);
    pointer-events: none;
    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.6s ease;
}

.projects-3d-section.is-stage-hovered .projects-hint {
    opacity: 1;
}

body.project-focused .projects-hint {
    opacity: 0 !important;
}

.projects-close-btn {
    position: absolute;
    top: 30px;
    left: 40px;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(6, 54, 125, 0.85);
    border: 1.5px solid #ffb400;
    border-radius: 30px;
    color: #ffb400;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(6, 54, 125, 0.5);
    transition: all 0.35s ease;
}

.projects-close-btn.show {
    opacity: 1;
    pointer-events: auto;
}

.projects-close-btn:hover {
    background: #ffb400;
    color: #03204e;
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 180, 0, 0.4);
}

.projects-caption {
    position: absolute;
    left: 50%;
    bottom: 35px;
    transform: translateX(-50%) translateY(20px);
    z-index: 40;
    width: max-content;
    max-width: calc(100% - 30px);
    text-align: center;
    background: rgba(3, 32, 78, 0.92);
    border: 1.5px solid rgba(255, 180, 0, 0.5);
    backdrop-filter: blur(14px);
    padding: 20px 36px;
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(6, 54, 125, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.projects-caption.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.caption-tag {
    display: block;
    font-size: 10px;
    font-weight: 800;
    color: #ffb400;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}

.caption-title {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 900;
    color: #ffffff;
}

.caption-meta {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

/*==================================================
        CAM KẾT CHẤT LƯỢNG - NỔI BẬT THEO LOGO LDT
==================================================*/
.commitments {
    padding: 90px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%);
    position: relative;
}

.commitments-header {
    text-align: center;
    margin-bottom: 50px;
}

.commitments-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(255, 180, 0, 0.12);
    border: 1px solid rgba(255, 180, 0, 0.4);
    border-radius: 30px;
    color: #d99b00;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.commitments-title {
    color: var(--primary);
    font-size: 34px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
}

.commitments-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    margin: 12px auto 0;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--yellow) 100%);
}

.commitments-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.commitment-card {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 18px 26px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 1;
    border: 2px solid transparent;
    background-image: linear-gradient(#ffffff, #ffffff), linear-gradient(135deg, var(--primary) 0%, var(--yellow) 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 8px 20px rgba(6, 54, 125, 0.05);
}

.commitment-card:hover {
    transform: translateY(-8px);
    background-image: linear-gradient(#ffffff, #ffffff), linear-gradient(135deg, var(--yellow) 0%, var(--primary) 100%);
    box-shadow: 0 16px 35px rgba(6, 54, 125, 0.14), 0 0 15px rgba(255, 180, 0, 0.22);
}

.commitment-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(6, 54, 125, 0.08) 0%, rgba(255, 180, 0, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.4s ease;
}

.commitment-icon {
    font-size: 30px;
    color: var(--primary);
    transition: all 0.4s ease;
}

.commitment-card:hover .commitment-icon-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    transform: rotate(6deg) scale(1.08);
    box-shadow: 0 8px 18px rgba(6, 54, 125, 0.3);
}

.commitment-card:hover .commitment-icon {
    color: var(--yellow);
}

.commitment-card__title {
    color: var(--primary);
    font-size: 13.5px;
    font-weight: 800;
    text-transform: uppercase;
    line-height: 1.35;
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}

.commitment-card__desc {
    color: var(--text);
    font-size: 12px;
    line-height: 1.5;
    font-weight: 500;
}

/*==================================================
        HEFINE TECH SHOWCASE - SANG TRỌNG & HIỆN ĐẠI
==================================================*/
.tech-showcase {
    padding: 80px 0;
    background-color: #ffffff;
}

.tech-showcase__wrapper {
    position: relative;
    border-radius: 24px;
    background: linear-gradient(135deg, #041f4d 0%, #06367d 40%, #f0f4f9 40%, #f8fafc 100%);
    box-shadow: 0 20px 50px rgba(6, 54, 125, 0.12);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    border: 1px solid rgba(6, 54, 125, 0.1);
}

.tech-showcase__left {
    padding: 60px 40px 60px 60px;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.tech-eyebrow {
    display: inline-block;
    color: var(--yellow);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.tech-title {
    font-size: 30px;
    font-weight: 900;
    line-height: 1.25;
    color: #ffffff;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.tech-title span {
    color: var(--yellow);
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.tech-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.tech-list li i {
    color: var(--yellow);
    font-size: 20px;
    flex-shrink: 0;
}

.btn-tech {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 48px;
    padding: 0 28px;
    width: max-content;
    background: transparent;
    border: 2px solid var(--yellow);
    border-radius: 10px;
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
    transition: var(--transition);
}

.btn-tech i {
    color: var(--yellow);
    font-size: 16px;
    transition: transform var(--transition);
}

.btn-tech:hover {
    background: var(--yellow);
    color: var(--primary-dark);
}

.btn-tech:hover i {
    color: var(--primary-dark);
    transform: translateX(4px);
}

.tech-showcase__visual {
    position: absolute;
    left: 45%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 260px;
    height: 320px;
    z-index: 5;
    pointer-events: none;
}

.tech-visual__glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(255, 180, 0, 0.3) 0%, rgba(6, 54, 125, 0) 70%);
    border-radius: 50%;
    filter: blur(20px);
}

.tech-visual__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    border: 3px solid #ffffff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.tech-showcase__right {
    padding: 60px 60px 60px 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
}

.tech-card {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 25px rgba(6, 54, 125, 0.04);
    transition: var(--transition);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(6, 54, 125, 0.12), 0 0 12px rgba(255, 180, 0, 0.2);
}

.tech-card__icon-box {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(6, 54, 125, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 26px;
    flex-shrink: 0;
    transition: var(--transition);
}

.tech-card:hover .tech-card__icon-box {
    background: var(--primary);
    color: var(--yellow);
    transform: scale(1.05);
}

.tech-card__content h3 {
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: -0.2px;
}

.tech-card__content p {
    color: var(--text);
    font-size: 11.5px;
    font-weight: 500;
    line-height: 1.3;
}

/*==================================================
        ULTRA-MODERN BENTO BLOG SECTION (2026)
==================================================*/
.blog-bento-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #edf2f8 100%);
    position: relative;
}

.blog-bento-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
}

.gold-pulsing-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(6, 54, 125, 0.08);
    border: 1px solid rgba(255, 180, 0, 0.4);
    border-radius: 30px;
    color: var(--primary);
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.pulsing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--yellow);
    box-shadow: 0 0 0 0 rgba(255, 180, 0, 0.7);
    animation: pulseGlow 1.8s infinite;
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 180, 0, 0.7);
    }

    70% {
        box-shadow: 0 0 0 8px rgba(255, 180, 0, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 180, 0, 0);
    }
}

.blog-bento-title {
    color: var(--primary);
    font-size: 34px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.gold-text-glow {
    background: linear-gradient(135deg, #06367d 0%, #ffb400 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-bento-more {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 10px 10px 24px;
    background: #ffffff;
    border: 1.5px solid #d1dce8;
    border-radius: 30px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(6, 54, 125, 0.05);
}

.btn-bento-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.btn-bento-more:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 25px rgba(6, 54, 125, 0.15);
    transform: translateY(-2px);
}

.btn-bento-more:hover .btn-bento-icon {
    background: var(--yellow);
    color: var(--primary);
    transform: translateX(3px);
}

.blog-bento-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 28px;
}

.bento-hero-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    border: 1.5px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 45px rgba(6, 54, 125, 0.1);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.bento-hero-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px rgba(6, 54, 125, 0.18);
}

.bento-hero__thumb {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.bento-hero__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.bento-hero-card:hover .bento-hero__thumb img {
    transform: scale(1.06);
}

.bento-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(3, 16, 41, 0.1) 0%, rgba(3, 16, 41, 0.7) 40%, rgba(3, 16, 41, 0.96) 100%);
}

.bento-hero__content {
    position: relative;
    z-index: 2;
    color: #ffffff;
}

.bento-hero__badges {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.bento-tag {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.tag-gold {
    background: var(--yellow);
    color: var(--primary-dark);
}

.tag-glass {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.bento-hero__title {
    font-size: 24px;
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 12px;
}

.bento-hero__title a {
    color: #ffffff;
    transition: color 0.3s;
}

.bento-hero-card:hover .bento-hero__title a {
    color: #fff3ad;
}

.bento-hero__excerpt {
    color: rgba(255, 255, 255, 0.85);
    font-size: 13.5px;
    line-height: 1.6;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bento-hero__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.bento-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.author-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 180, 0, 0.2);
    color: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.author-text {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

.btn-read-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    color: #ffffff;
    font-size: 11.5px;
    font-weight: 800;
    transition: var(--transition);
}

.btn-read-hero i {
    color: var(--yellow);
    font-size: 16px;
    transition: transform var(--transition);
}

.bento-hero-card:hover .btn-read-hero {
    background: var(--yellow);
    color: var(--primary-dark);
    border-color: var(--yellow);
}

.bento-hero-card:hover .btn-read-hero i {
    color: var(--primary-dark);
    transform: rotate(45deg);
}

.bento-side-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bento-side-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1.5px solid #e2e8f0;
    box-shadow: 0 10px 25px rgba(6, 54, 125, 0.04);
    transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.bento-side-card:hover {
    transform: translateX(8px);
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(6, 54, 125, 0.12);
}

.side-card__thumb {
    position: relative;
    width: 140px;
    height: 125px;
    border-radius: 14px;
    overflow: hidden;
    flex-shrink: 0;
}

.side-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.bento-side-card:hover .side-card__thumb img {
    transform: scale(1.08);
}

.side-card__badge {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 3px 8px;
    background: rgba(6, 54, 125, 0.85);
    color: var(--yellow);
    border-radius: 6px;
    font-size: 9.5px;
    font-weight: 800;
}

.side-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.side-card__meta {
    color: #718096;
    font-size: 11.5px;
    font-weight: 600;
    margin-bottom: 6px;
}

.side-card__meta i {
    color: var(--yellow);
}

.side-card__title {
    font-size: 14.5px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 10px;
}

.side-card__title a {
    color: var(--title);
    transition: color 0.3s;
}

.bento-side-card:hover .side-card__title a {
    color: var(--primary);
}

.side-card__link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary);
    font-size: 11.5px;
    font-weight: 800;
}

.side-card__link i {
    color: var(--yellow);
    transition: transform 0.3s;
}

.bento-side-card:hover .side-card__link i {
    transform: translateX(4px);
}

/*==================================================
        FOOTER V3 - CAO CẤP & ĐẲNG CẤP KIẾN TRÚC
==================================================*/
.footer-v3 {
    background: linear-gradient(180deg, #020a18 0%, #041635 100%);
    color: #ffffff;
    position: relative;
    padding-top: 0;
}

.cta-banner-v3 {
    position: relative;
    margin-top: -75px;
    border-radius: 24px;
    overflow: hidden;
    padding: 48px 56px;
    border: 1.5px solid rgba(255, 180, 0, 0.45);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    z-index: 10;
}

.cta-banner-v3__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.cta-banner-v3__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.cta-banner-v3__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #031330 0%, #031330 55%, rgba(3, 19, 48, 0.65) 100%);
}

.cta-banner-v3__content {
    position: relative;
    z-index: 2;
    max-width: 620px;
}

.cta-badge-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255, 180, 0, 0.15);
    border: 1px solid rgba(255, 180, 0, 0.5);
    border-radius: 30px;
    color: var(--yellow);
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.cta-title-v3 {
    font-size: 32px;
    font-weight: 900;
    color: #ffffff;
    text-transform: uppercase;
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.cta-desc-v3 {
    color: rgba(255, 255, 255, 0.88);
    font-size: 13.5px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.cta-features-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.cta-features-inline span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 700;
    color: #ffffff;
}

.cta-features-inline i {
    color: var(--yellow);
    font-size: 16px;
}

.cta-banner-v3__action {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
    flex-shrink: 0;
}

.btn-cta-v3 {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 8px 8px 8px 28px;
    background: var(--yellow);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 900;
    border-radius: 40px;
    transition: all 0.35s ease;
    box-shadow: 0 10px 25px rgba(255, 180, 0, 0.35);
}

.btn-icon-circle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary-dark);
    color: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.35s ease;
}

.btn-cta-v3:hover {
    background: #ffffff;
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.3);
}

.btn-cta-v3:hover .btn-icon-circle {
    background: var(--primary);
    color: #ffffff;
    transform: translateX(3px);
}

.hotline-badge-v3 {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    color: #ffffff;
    transition: all 0.3s ease;
}

.hotline-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 180, 0, 0.2);
    color: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.hotline-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.hotline-info small {
    font-size: 9.5px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.5px;
}

.hotline-info strong {
    font-size: 15px;
    font-weight: 900;
    color: var(--yellow);
}

.hotline-badge-v3:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: var(--yellow);
}

.footer-v3-main {
    padding-top: 80px;
    padding-bottom: 24px;
}

.footer-v3-grid {
    display: grid;
    grid-template-columns: 1.5fr 1.1fr 1.1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

.f3-logo-text {
    font-size: 24px;
    font-weight: 900;
    color: #ffffff;
}

.f3-logo-text strong {
    color: var(--yellow);
}

.f3-brand-desc {
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    line-height: 1.65;
    margin: 16px 0 20px;
}

.f3-socials {
    display: flex;
    align-items: center;
    gap: 10px;
}

.f3-socials a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
}

.f3-socials a:hover {
    background: var(--yellow);
    color: var(--primary-dark);
    border-color: var(--yellow);
    transform: translateY(-3px);
}

.f3-heading {
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.f3-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.f3-links a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.f3-links i {
    color: var(--yellow);
    font-size: 14px;
}

.f3-links a:hover {
    color: var(--yellow);
    transform: translateX(4px);
}

.f3-newsletter-desc {
    color: rgba(255, 255, 255, 0.72);
    font-size: 12.5px;
    line-height: 1.4;
    margin-bottom: 12px;
}

.f3-input-group {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.f3-input-group:focus-within {
    border-color: var(--yellow);
    background: rgba(255, 255, 255, 0.14);
}

.f3-input-group input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 12px;
    color: #ffffff;
    font-size: 12.5px;
}

.f3-input-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.f3-input-group button {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--yellow);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.f3-input-group button:hover {
    background: #ffffff;
    color: var(--primary);
}

.f3-contact-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.f3-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    line-height: 1.4;
}

.f3-contact-item i {
    color: var(--yellow);
    font-size: 15px;
    margin-top: 2px;
}

.f3-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

.gold-highlight {
    color: var(--yellow);
}

/*==================================================
                RESPONSIVE MOBILE / TABLET
==================================================*/
@media (max-width: 1200px) {
    .hero-visual {
        width: 45%;
    }

    .hero-title__main {
        font-size: 62px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-item:nth-child(2) {
        border-right: none;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .commitments-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 1100px) {
    .projects-3d-section {
        height: 820px;
        min-height: 820px;
    }

    .projects-stage {
        width: calc(100% - 24px);
        height: 700px;
    }

    .gold-title {
        font-size: 42px;
    }

    .tech-showcase__wrapper {
        grid-template-columns: 1fr;
        background: linear-gradient(180deg, #041f4d 0%, #06367d 50%, #f8fafc 50%, #f8fafc 100%);
    }

    .tech-showcase__visual {
        display: none;
    }

    .tech-showcase__left,
    .tech-showcase__right {
        padding: 50px 40px;
    }

    .blog-bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-hero-card {
        min-height: 420px;
    }

    .cta-banner-v3 {
        flex-direction: column;
        align-items: flex-start;
        padding: 36px;
    }

    .cta-banner-v3__action {
        align-items: flex-start;
    }

    .footer-v3-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 991px) {

    .navigation,
    .header-phone {
        display: none;
    }

    .mobile-button {
        display: block;
    }

    .hero-bg-dots {
        display: none;
    }

    /* Ẩn chấm trên mobile để tránh vỡ giao diện */
    .hero-visual {
        width: 100%;
        opacity: 0.15;
        clip-path: none;
    }

    .hero-accent-stripe {
        display: none;
    }

    .hero-content {
        max-width: 100%;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .projects-3d-section {
        height: 720px;
        min-height: 720px;
    }

    .projects-stage {
        width: calc(100% - 16px);
        height: 570px;
    }

    .gold-title {
        font-size: 30px;
    }

    .gold-desc {
        font-size: 13px;
    }

    .commitments-title {
        font-size: 26px;
    }

    .commitments-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .tech-title {
        font-size: 24px;
    }

    .tech-showcase__left,
    .tech-showcase__right {
        padding: 40px 24px;
    }

    .blog-bento-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .blog-bento-title {
        font-size: 26px;
    }

    .bento-hero-card {
        padding: 24px;
        min-height: 380px;
    }

    .bento-hero__title {
        font-size: 18px;
    }

    .bento-side-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .side-card__thumb {
        width: 100%;
        height: 160px;
    }

    .cta-title-v3 {
        font-size: 22px;
    }

    .footer-v3-grid {
        grid-template-columns: 1fr;
    }

    .f3-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero-title__small {
        font-size: 28px;
    }

    .hero-title__main {
        font-size: 52px;
    }

    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        border-right: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 12px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .commitments-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   CENTER HEADER -> TRƯỢT LÊN TRÊN CÙNG KHI HOVER (SMOOTH)
========================================================= */

.projects-3d-header {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(800px, calc(100% - 40px));
    z-index: 30;
    text-align: center;
    pointer-events: none;
    opacity: 1;
    filter: blur(0);

    /* Cấu hình trượt mượt êm ái lên trên cùng */
    transition:
        top 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.5s ease;
}

/* KHI RÊ CHUỘT VÀO VÙNG 3D -> TRƯỢT TIÊU ĐỀ LÊN ĐỈNH SECTION */
.projects-3d-section.is-stage-hovered .projects-3d-header {
    top: 50px;
    /* Đưa hẳn lên đỉnh Section */
    transform: translate(-50%, 0);
    /* Căn giữa nằm ngang */
    opacity: 1;
    /* Giữ hiển thị rõ 100% */
    filter: blur(0);
    /* Không bị mờ */
}

/* THU NHỎ NHẸ TIÊU ĐỀ KHI ĐÃ ĐƯA LÊN ĐỈNH CHO GỌN GÀNG */
.gold-title {
    transition: font-size 0.6s ease;
}

.projects-3d-section.is-stage-hovered .gold-title {
    font-size: 36px;
    /* Thu nhỏ chữ tiêu đề chính từ 52px xuống 36px */
}

.gold-eyebrow {
    transition: all 0.6s ease;
}

.projects-3d-section.is-stage-hovered .gold-eyebrow {
    padding: 6px 18px;
    /* Thu nhỏ Badge */
    font-size: 11px;
    margin-bottom: 8px;
}

/* Ẩn dòng mô tả dài + gạch ngang để tiết kiệm chiều cao khi trượt lên trên */
.projects-3d-section.is-stage-hovered .gold-desc,
.projects-3d-section.is-stage-hovered .gold-divider {
    display: none;
}

/* KHI CLICK PHÓNG TO XEM DETAILED 1 DỰ ÁN -> MỚI ẨN TIÊU ĐỀ ĐỂ TẬP TRUNG */
body.project-focused .projects-3d-header {
    opacity: 0 !important;
    pointer-events: none;
}

/*==================================================
   MINIMAL ARCHITECTURAL SHOWCASE
==================================================*/
.pro-showcase {
    padding: 90px 0;
    background-color: #f8fafc;
    font-family: 'Be Vietnam Pro', sans-serif;
}

/* HEADER BAR */
.ps-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid #06367d;
    /* Đường gạch Navy sắc nét */
    flex-wrap: wrap;
}

.ps-badge {
    display: inline-block;
    color: #ffb400;
    background: #06367d;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 3px 10px;
    margin-bottom: 8px;
}

.ps-title {
    color: #06367d;
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

/* TABS TỐI GIẢN (CẮT CẠNH VUÔNG) */
.ps-tabs {
    display: inline-flex;
    gap: 8px;
}

.ps-tab {
    padding: 10px 20px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #475569;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ps-tab:hover {
    border-color: #06367d;
    color: #06367d;
}

/* Tab active mang tone Xanh Navy & Vàng */
.ps-tab.active {
    background: #06367d;
    color: #ffffff;
    border-color: #06367d;
    box-shadow: 0 4px 12px rgba(6, 54, 125, 0.2);
}

/* GRID 4 CỘT */
.ps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* CARD TỐI GIẢN CỰC SẮC NÉT */
.ps-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    transition: all 0.35s ease;
    position: relative;
}

/* Hiệu ứng rê chuột nâng nhẹ + viền Vàng Gold */
.ps-card:hover {
    border-color: #ffb400;
    box-shadow: 0 16px 32px rgba(6, 54, 125, 0.12);
    transform: translateY(-5px);
}

/* Khung Ảnh */
.ps-card__thumb {
    position: relative;
    width: 100%;
    height: 210px;
    overflow: hidden;
    background: #06367d;
}

.ps-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ps-card:hover .ps-card__thumb img {
    transform: scale(1.06);
    opacity: 0.9;
}

/* Badge Mã SP Kim Loại góc trên ảnh */
.ps-code {
    position: absolute;
    top: 0;
    left: 0;
    background: #06367d;
    color: #ffb400;
    font-size: 11px;
    font-weight: 800;
    padding: 6px 12px;
    z-index: 2;
    border-bottom-right-radius: 4px;
}

/* Nội dung Card */
.ps-card__content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ps-card__name {
    color: #06367d;
    font-size: 14.5px;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.ps-card__desc {
    color: #64748b;
    font-size: 12.5px;
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.ps-card__footer {
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
}

/* Nút Báo Giá sắc gọn */
.ps-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #f1f5f9;
    color: #06367d;
    font-size: 11.5px;
    font-weight: 800;
    transition: all 0.3s ease;
    text-decoration: none;
}

.ps-btn i {
    color: #ffb400;
    font-size: 15px;
    transition: transform 0.3s ease;
}

.ps-card:hover .ps-btn {
    background: #06367d;
    color: #ffffff;
}

.ps-card:hover .ps-btn i {
    transform: translateX(4px);
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .ps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .ps-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ps-grid {
        grid-template-columns: 1fr;
    }
}

/*==================================================
   NÚT XEM TẤT CẢ BÊN DƯỚI CARD (CĂN GIỮA)
==================================================*/
.ps-footer {
    margin-top: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ps-btn-viewall-bottom {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 36px;
    background: #06367d;
    color: #ffffff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 40px;
    transition: all 0.35s ease;
    box-shadow: 0 8px 20px rgba(6, 54, 125, 0.2);
    border: 1.5px solid #06367d;
}

.ps-btn-viewall-bottom i {
    color: #ffb400;
    font-size: 16px;
    transition: transform 0.3s ease;
}

.ps-btn-viewall-bottom:hover {
    background: #03204e;
    border-color: #ffb400;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(6, 54, 125, 0.35);
}

.ps-btn-viewall-bottom:hover i {
    transform: translateX(6px);
}

/*==================================================
                NÚT BACK TO TOP
==================================================*/
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #06367d;
    /* Xanh Navy chủ đạo */
    color: #ffb400;
    /* Mũi tên Vàng Gold */
    border: 1.5px solid rgba(255, 180, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 8px 25px rgba(6, 54, 125, 0.25);

    /* Mặc định ẩn khi ở trên cùng */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(20px);
    transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Hiển thị khi cuộn xuống hơn 300px */
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

/* Hiệu ứng Hover nổi bật */
.back-to-top:hover {
    background: #ffb400;
    color: #03204e;
    border-color: #ffb400;
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(255, 180, 0, 0.45);
}

.back-to-top i {
    transition: transform 0.3s ease;
}

.back-to-top:hover i {
    transform: translateY(-3px);
    /* Mũi tên nẩy nhẹ lên trên */
}

/* Responsive cho Điện thoại */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 18px;
    }
}

/*==================================================
   SỬA RIÊNG HEADER & MENU MOBILE (CHỈ CHO MOBILE)
==================================================*/
@media (max-width: 991px) {

    /* 1. Khóa cuộn trang khi mở menu */
    body.menu-open {
        overflow: hidden !important;
    }

    /* 2. Đảm bảo Header cho phép Menu tràn xuống bên dưới */
    .header {
        overflow: visible !important;
    }

    /* 3. Nút 3 gạch góc phải */
    .mobile-button {
        display: flex !important;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        color: #06367d;
        cursor: pointer;
        z-index: 1001;
    }

    /* 4. Khung Menu trượt ra trên Mobile */
    .navigation {
        position: fixed !important;
        top: var(--header-height, 90px) !important;
        left: 0 !important;
        width: 100% !important;
        height: calc(100vh - var(--header-height, 90px)) !important;
        background: #ffffff !important;
        padding: 20px 24px !important;
        overflow-y: auto !important;
        z-index: 9999 !important;

        /* Mặc định ẨN hoàn toàn */
        display: none !important;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    }

    /* Khi bấm Nút 3 gạch -> BẬT HIỂN THỊ MENU */
    .navigation.active {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
    }

    .navigation-list {
        display: flex !important;
        flex-direction: column !important;
        gap: 0 !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .navigation-item {
        width: 100% !important;
        height: auto !important;
        border-bottom: 1px solid #f1f5f9;
        display: block !important;
    }

    .navigation-link {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 14px 0 !important;
        font-size: 14px !important;
        font-weight: 800 !important;
        color: #172133 !important;
        width: 100% !important;
    }

    /* 5. VÔ HIỆU HÓA HOÀN TOÀN LỖI HOVER CỦA PC TRÊN MOBILE */
    .navigation-item.has-dropdown:hover .dropdown {
        opacity: 0;
        visibility: hidden;
        transform: none !important;
        position: static !important;
    }

    /* 6. RESET MENU CON (DROPDOWN) DẠNG XỔ DỌC CHUẨN MOBILE */
    .dropdown {
        position: static !important;
        transform: none !important;
        width: 100% !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 0 10px 15px !important;
        background: #f8fafc !important;
        border-radius: 8px !important;
        margin: 6px 0 10px 0 !important;

        /* Mặc định ẨN menu con */
        display: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .dropdown::before {
        display: none !important;
        /* Tắt mũi tên nhọn PC */
    }

    /* CHỈ KHI BẤM CHỌN "SẢN PHẨM" -> MỚI XỔ MENU CON XUỐNG DỌC */
    .navigation-item.has-dropdown.active .dropdown {
        display: block !important;
    }

    .dropdown li {
        width: 100% !important;
    }

    .dropdown li a {
        display: block !important;
        padding: 10px 12px !important;
        color: #334155 !important;
        font-size: 13px !important;
        font-weight: 600 !important;
        border-bottom: 1px solid #edf2f7 !important;
        height: auto !important;
    }

    .dropdown li a:hover {
        color: #06367d !important;
    }
}

/*========================================================
   HEFINE 3D MOODBOARD - HOVER SLIDE HEADER & SHARP TEXT
========================================================*/

/* MẶC ĐỊNH CHƯA HOVER: Tắt bỏ blur(4px) để KHÔNG BAO GIỜ bị mất nét chữ */
.projects-stage {
    position: relative;
    width: min(1360px, calc(100% - 32px));
    height: 760px;
    z-index: 10;
    border-radius: 24px;
    cursor: grab;
    opacity: 0.85;
    filter: brightness(0.85);
    /* Tắt blur(4px) để thẻ 3D sắc nét 100% */
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    touch-action: none;
    overflow: visible;
}

.projects-3d-section.is-stage-hovered .projects-stage {
    opacity: 1;
    filter: brightness(1);
}

/* 1. MẶC ĐỊNH (CHƯA HOVER): TIÊU ĐỀ NẰM GIỮA, CHỮ TO NỔI BẬT (58PX) */
.projects-3d-header {
    position: absolute;
    top: 50% !important;
    /* Nằm chính giữa */
    left: 50%;
    transform: translate(-50%, -50%) !important;
    width: min(850px, calc(100% - 40px));
    z-index: 30;
    text-align: center;
    pointer-events: none;
    opacity: 1;

    /* Chuyển động trượt mượt êm ái khi hover */
    transition: top 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.5s ease;
}

.gold-title {
    font-size: 58px !important;
    /* To siêu nổi bật khi ở chính giữa */
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
    line-height: 1.1;
    margin: 0;
    background: linear-gradient(135deg, #ffffff 0%, #fff2ad 25%, #ffb400 50%, #d4af37 75%, #ffe699 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: goldShimmer 5s linear infinite;

    /* Đổ bóng đậm giúp chữ cực kỳ nổi bật trên nền 3D */
    filter: drop-shadow(0 6px 25px rgba(0, 0, 0, 0.9)) drop-shadow(0 0 20px rgba(255, 180, 0, 0.5));
    transition: font-size 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gold-eyebrow {
    transition: all 0.6s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 24px;
    background: rgba(6, 54, 125, 0.75);
    border: 1.5px solid var(--yellow);
    border-radius: 30px;
    color: #ffd858;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 25px rgba(255, 180, 0, 0.3);
}

.gold-desc {
    margin: 0;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    font-weight: 500;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* 2. KHI RÊ CHUỘT VÀO (HOVER) -> TIÊU ĐỀ TRƯỢT LÊN ĐỈNH & THU GỌN */
.projects-3d-section.is-stage-hovered .projects-3d-header {
    top: 55px !important;
    /* Trượt lên đỉnh */
    transform: translate(-50%, 0) !important;
}

.projects-3d-section.is-stage-hovered .gold-title {
    font-size: 36px !important;
    /* Thu nhỏ gọn lại khi lên đỉnh */
}

.projects-3d-section.is-stage-hovered .gold-eyebrow {
    padding: 6px 18px;
    font-size: 11px;
    margin-bottom: 8px;
}

/* Ẩn mô tả dài khi đã trượt lên đỉnh để không vướng tầm nhìn */
.projects-3d-section.is-stage-hovered .gold-desc,
.projects-3d-section.is-stage-hovered .gold-divider {
    display: none;
}

/* Khi click chọn xem chi tiết 1 dự án -> Mới ẩn tiêu đề hoàn toàn */
body.project-focused .projects-3d-header {
    opacity: 0 !important;
    pointer-events: none;
}

/*========================================================
   LỚP PHỦ MỜ & QUẦNG SÁNG VÀNG - XANH ĐẬM (3D MOODBOARD)
========================================================*/

/* 1. LỚP PHỦ MỜ TỐI (DARK VIGNETTE OVERLAY) KHI CHƯA HOVER */
.projects-3d-section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 15;
    /* Nằm phía trên quả cầu 3D nhưng ở bên dưới Tiêu đề (z-index: 30) */

    /* Phối màu mờ Đêm Xanh Navy sâu thăm thẫm */
    background: radial-gradient(circle at 50% 50%,
            rgba(3, 32, 78, 0.55) 0%,
            rgba(2, 9, 26, 0.82) 55%,
            rgba(1, 5, 18, 0.96) 100%);

    pointer-events: none;
    opacity: 1;
    /* Mặc định phủ mờ đậm làm nổi bật tiêu đề */
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. QUẦNG SÁNG VÀNG GOLD RỰC RỠ TỎA NGAY SAU TIÊU ĐỀ CHÍNH */
.gn-glow--1 {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(255, 180, 0, 0.35) 0%, rgba(255, 180, 0, 0.1) 45%, rgba(0, 0, 0, 0) 75%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 2;
    pointer-events: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* 3. QUẦNG SÁNG XANH NAVY ĐẬM TẠO CHIỀU SÂU BÊN DƯỚI */
.gn-glow--2 {
    position: absolute;
    bottom: -10%;
    right: 10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(6, 54, 125, 0.8) 0%, rgba(3, 32, 78, 0.4) 50%, rgba(0, 0, 0, 0) 80%);
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
    pointer-events: none;
    transition: opacity 0.7s ease;
}

/* ========================================================
   TRẠNG THÁI KHI RÊ CHUỘT VÀO (HOVER STAGE)
======================================================== */

/* Khi Hover -> Lớp phủ mờ tự động nhạt đi để làm sáng rực rỡ mảng thẻ 3D */
.projects-3d-section.is-stage-hovered::before {
    opacity: 0.22;
}

/* Quầng sáng Vàng trượt nhẹ lên theo tiêu đề khi Hover */
.projects-3d-section.is-stage-hovered .gn-glow--1 {
    top: 15%;
    transform: translate(-50%, -20%) scale(0.9);
    opacity: 0.6;
}

/* ========================================================
   STYLING TIÊU ĐỀ & KHUNG 3D STAGE
======================================================== */

.projects-stage {
    position: relative;
    width: min(1360px, calc(100% - 32px));
    height: 760px;
    z-index: 10;
    border-radius: 24px;
    cursor: grab;
    opacity: 0.9;
    filter: brightness(0.9);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    touch-action: none;
    overflow: visible;
}

.projects-3d-section.is-stage-hovered .projects-stage {
    opacity: 1;
    filter: brightness(1.05);
}

/* MẶC ĐỊNH CHƯA HOVER: Tiêu đề NẰM GIỮA + RỰC RỠ TRÊN NỀN MỜ */
.projects-3d-header {
    position: absolute;
    top: 50% !important;
    left: 50%;
    transform: translate(-50%, -50%) !important;
    width: min(850px, calc(100% - 40px));
    z-index: 30;
    /* Cao hơn lớp phủ mờ ::before (z-index: 15) */
    text-align: center;
    pointer-events: none;
    opacity: 1;
    transition: top 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.5s ease;
}

.gold-title {
    font-size: 58px !important;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
    line-height: 1.1;
    margin: 0;
    background: linear-gradient(135deg, #ffffff 0%, #fff2ad 25%, #ffb400 50%, #d4af37 75%, #ffe699 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: goldShimmer 5s linear infinite;

    /* Đổ bóng kép nổi bần bật trên nền mờ tối */
    filter: drop-shadow(0 8px 30px rgba(0, 0, 0, 0.95)) drop-shadow(0 0 25px rgba(255, 180, 0, 0.75));
    transition: font-size 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* KHI HOVER -> TRƯỢT MƯỢT LÊN ĐỈNH */
.projects-3d-section.is-stage-hovered .projects-3d-header {
    top: 55px !important;
    transform: translate(-50%, 0) !important;
}

.projects-3d-section.is-stage-hovered .gold-title {
    font-size: 36px !important;
}

.projects-3d-section.is-stage-hovered .gold-desc,
.projects-3d-section.is-stage-hovered .gold-divider {
    display: none;
}

/*========================================================
    TỐI ƯU HIỂN THỊ 3D MOODBOARD TRÊN MOBILE / TABLET
========================================================*/
@media (max-width: 768px) {

    /* 1. Thu gọn chiều cao khu vực 3D trên Mobile */
    .projects-3d-section {
        min-height: 600px !important;
        height: 600px !important;
    }

    .projects-stage {
        height: 500px !important;
        opacity: 1 !important;
        filter: brightness(1) !important;
        /* Mở sáng rực rỡ thẻ 3D */
    }

    /* 2. Đưa Tiêu đề lên đỉnh hẳn trên Mobile (Không bị che 3D) */
    .projects-3d-header {
        top: 35px !important;
        transform: translate(-50%, 0) !important;
        width: calc(100% - 32px) !important;
    }

    /* 3. Thu nhỏ chữ Tiêu đề từ 58px xuống 24px vừa khít màn hình */
    .gold-title {
        font-size: 24px !important;
        letter-spacing: -0.5px !important;
        line-height: 1.25 !important;
    }

    .gold-eyebrow {
        padding: 4px 12px !important;
        font-size: 10px !important;
        margin-bottom: 6px !important;
    }

    /* 4. Giảm độ mờ Lớp phủ để Mobile luôn hiển thị 3D sáng rõ mà không cần Hover */
    .projects-3d-section::before {
        opacity: 0.3 !important;
    }

    .gold-desc {
        font-size: 11.5px !important;
        line-height: 1.4 !important;
        margin-top: 4px !important;
    }

    .gold-divider {
        margin: 8px 0 !important;
    }
}

/*========================================================
    TỐI ƯU HIỂN THỊ 3D MOODBOARD TRÊN MOBILE / TABLET
========================================================*/
@media (max-width: 768px) {

    /* 1. Thu gọn chiều cao khu vực 3D trên Mobile */
    .projects-3d-section {
        min-height: 600px !important;
        height: 600px !important;
    }

    .projects-stage {
        height: 500px !important;
        opacity: 1 !important;
        filter: brightness(1) !important;
    }

    /* 2. Đưa Tiêu đề lên đỉnh hẳn trên Mobile (Không bị che 3D) */
    .projects-3d-header {
        top: 35px !important;
        transform: translate(-50%, 0) !important;
        width: calc(100% - 32px) !important;
    }

    /* 3. Thu nhỏ chữ Tiêu đề từ 58px xuống 24px vừa khít màn hình */
    .gold-title {
        font-size: 24px !important;
        letter-spacing: -0.5px !important;
        line-height: 1.25 !important;
    }

    .gold-eyebrow {
        padding: 4px 12px !important;
        font-size: 10px !important;
        margin-bottom: 6px !important;
    }

    /* 4. Giảm độ mờ Lớp phủ để Mobile luôn hiển thị 3D sáng rõ mà không cần Hover */
    .projects-3d-section::before {
        opacity: 0.3 !important;
    }

    .gold-desc {
        font-size: 11.5px !important;
        line-height: 1.4 !important;
        margin-top: 4px !important;
    }

    .gold-divider {
        margin: 8px 0 !important;
    }
}