* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: #222;
}

/* CONTAINER */
.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* HEADER */
/* HEADER */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    z-index: 9999;
    background: transparent;
    transition: .4s ease;
}

/* Khi scroll */
.header.scrolled {
    background: rgba(6, 55, 47, 0.96);
    backdrop-filter: blur(8px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* LOGO */
.logo img {
    height: 48px;
    transition: .4s ease;
}

/* LOGO nhỏ khi scroll */
.header.scrolled .logo img {
    height: 40px;
}

/* MENU */
.nav {
    display: flex;
    gap: 26px;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    position: relative;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: #d6b98c;
    transition: .3s;
}

.nav a:hover::after {
    width: 100%;
}

/* NÚT LIÊN HỆ */
.btn-contact {
    color: #ffffff !important;
    border: 1.5px solid #ffffff;
    font-weight: 600;
}

.btn-contact:hover {
    background: #ffffff;
    color: #06372f !important;
}

/* ☰ */
.menu-btn {
    display: none;
    font-size: 30px;
    background: none;
    border: none;
    color: #ffffff;
    font-weight: 700;
}

/* MOBILE */
.mobile-menu {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: #06372f;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 40px;
    transition: .4s ease;
    color: #ffffff;
    font-weight: 600;
    font-size: 18px;
}

.mobile-menu.active {
    right: 0;
}

@media (max-width: 992px) {
    .nav {
        display: none;
    }

    .menu-btn {
        display: block;
    }
}

.logo {
    font-weight: 700;
    color: #0a6cf1;
}

.nav a {
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.menu-btn {
    display: none;
    background: none;
    font-size: 22px;
    border: none;
}

/* HERO */
.hero {
    height: 100vh;
    background:
        linear-gradient(rgba(0, 0, 0, 0.45),
            rgba(0, 0, 0, 0.45)),
        url("../images/dragon-eden.jpg") center / cover no-repeat;

    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.hero h1 {
    font-size: 42px;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: #0a6cf1;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

/* SECTION */
.section {
    padding: 80px 0;
}

.section h2 {
    margin-bottom: 20px;
    font-size: 28px;
}

.gray {
    background: #f5f5f5;
}

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
}

/* OVERVIEW */
.overview-block {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 50px;
}

.overview-block.reverse {
    flex-direction: row-reverse;
}

.overview-text {
    flex: 1;
    font-size: 16px;
    line-height: 1.8;
}

.overview-img {
    flex: 1;
}

.overview-img img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

/* HIGHLIGHT SECTION */
.highlight-section {
    background: #0b4f43;
    padding: 100px 0;
}

.highlight-section .container {
    max-width: 1400px;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.highlight-img img {
    height: 300px;
}

/* CARD */
.highlight-card {
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: transform .3s ease, box-shadow .3s ease;
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
}

/* IMAGE */
.highlight-img {
    padding: 16px;
}

.highlight-img img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-radius: 14px;
}

/* CONTENT */
.highlight-content {
    text-align: center;
    padding: 25px 20px 35px;
}

.highlight-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #0b4f43;
    margin-bottom: 10px;
}

.highlight-content p {
    font-size: 15px;
    font-weight: 600;
    color: #b89a63;
    letter-spacing: .5px;
}


/* PROJECT OVERVIEW */
.project-overview {
    background: #0b4f43;
    color: #e8d3a2;
    padding: 120px 0;
}

/* TITLE */
.overview-title {
    text-align: center;
    margin-bottom: 80px;
}

.overview-title h2 {
    font-size: 28px;
    letter-spacing: 1px;
    font-weight: 600;
}

.overview-title .decor {
    display: block;
    width: 120px;
    height: 2px;
    background: #b89a63;
    margin: 20px auto 0;
}

/* STATS */
.overview-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    text-align: center;
    margin-bottom: 80px;
}

.stat-item {
    border-left: 1px solid rgba(255, 255, 255, .15);
    padding: 0 15px;
}

.stat-item:first-child {
    border-left: none;
}

.stat-number {
    font-size: 52px;
    font-weight: 700;
    color: #fff;
}

.stat-number span {
    font-size: 28px;
}

.stat-unit {
    font-size: 16px;
    margin-top: -10px;
}

.stat-label {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.6;
    opacity: .85;
}

/* INFO TABLE */
.overview-info {
    max-width: 900px;
    margin: auto;
}

.info-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
    font-size: 15px;
}

.info-row span:first-child {
    opacity: .85;
}

.subdivision-section {
    background: #0c4f43;
    padding: 80px 0;
    color: #e6e6e6;
}

.subdivision-section .container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    color: #d6b98c;
    font-size: 32px;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.section-desc {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.section-desc strong {
    color: #f3d6a0;
}

.subdivision-image {
    margin: 40px 0;
    text-align: center;
}

.subdivision-image img {
    max-width: 100%;
    border-radius: 14px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, .35);
}

.product-structure {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.product-structure li {
    padding-left: 22px;
    margin-bottom: 12px;
    position: relative;
}

.product-structure li::before {
    content: "◆";
    position: absolute;
    left: 0;
    color: #d6b98c;
    font-size: 12px;
    top: 4px;
}

.highlight {
    background: rgba(255, 255, 255, .05);
    padding: 20px;
    border-left: 4px solid #d6b98c;
}

.location-section {
    background: linear-gradient(180deg, #0c4f43, #083c34);
    padding: 90px 0;
    color: #e6e6e6;
}

.location-section .container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

/* Map top */
.location-map-top {
    width: 100%;
    margin-bottom: 50px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, .35);
}

.location-map-top img {
    width: 100%;
    display: block;
    transition: transform .6s ease;
}

@media (hover: hover) {
    .location-map-top:hover img {
        transform: scale(1.04);
    }
}

/* Title */
.section-title {
    text-align: center;
    font-size: 34px;
    margin-bottom: 25px;
    color: #f5f5f5;
}

/* Text */
.section-desc {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 22px;
    color: #e0e0e0;
}

/* Highlight box */
.highlight {
    background: rgba(255, 255, 255, .06);
    border-left: 4px solid #d6b98c;
    padding: 22px;
    margin: 35px 0;
}

/* Strength list */
.location-strength {
    list-style: none;
    padding: 0;
    margin: 35px 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 40px;
}

.location-strength li {
    position: relative;
    padding-left: 24px;
    line-height: 1.7;
}

.location-strength li::before {
    content: "✦";
    position: absolute;
    left: 0;
    top: 2px;
    color: #d6b98c;
}

/* Mobile */
@media (max-width: 768px) {
    .section-title {
        font-size: 26px;
    }

    .location-strength {
        grid-template-columns: 1fr;
    }
}


/* MOBILE */
@media (max-width: 992px) {
    .overview-stats {
        grid-template-columns: 1fr 1fr;
        row-gap: 40px;
    }

    .stat-item {
        border-left: none;
    }

    .info-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

@media (max-width: 576px) {
    .stat-number {
        font-size: 40px;
    }
}

/* MOBILE */
@media (max-width: 992px) {
    .highlight-grid {
        grid-template-columns: 1fr;
    }

    .highlight-img img {
        height: 220px;
    }
}


/* MOBILE */
@media (max-width: 768px) {

    .overview-block,
    .overview-block.reverse {
        flex-direction: column;
    }

    .overview-img img {
        border-radius: 8px;
    }
}



/* MAP */
iframe {
    width: 100%;
    height: 300px;
    border: none;
}

/* CTA */
.cta {
    background: #0a6cf1;
    color: #fff;
}

.cta input,
.cta button {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border-radius: 5px;
    border: none;
}

.cta button {
    background: #fff;
    color: #0a6cf1;
    font-weight: 600;
}

/* FOOTER */
.footer {
    padding: 20px;
    text-align: center;
    background: #111;
    color: #fff;
}

/* MOBILE */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 60px;
        background: #fff;
        width: 100%;
        left: 0;
        flex-direction: column;
    }

    .nav a {
        padding: 15px;
        border-bottom: 1px solid #eee;
    }

    .menu-btn {
        display: block;
    }
}