/* ?蔭????*/
* { 
    box-sizing: border-box; 
    margin: 0;
    padding: 0;
}

:root {
    --c-grey-dark: #231f20;
    --c-primary: #85754e;
    --c-bg: #d5cbb9;
    --c-white: #fff;
    --f-sans-en: 'Jost', 'Helvetica', sans-serif;
    --f-sans-tc: 'Jost', 'Noto Sans HK', 'Microsoft JhengHei', 'Helvetica', sans-serif;
    --f-sans-sc: 'Jost', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica', sans-serif;
    --c-brown: #665643;
    --c-grey-light: #a9a9aa;
    --c-grey-ultra-light: #f2f2f2;
    --c-yellow: #ddceb2;
    --c-black: #000;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    font-family: var(--f-sans-tc);
    background-color: var(--c-bg);
    line-height: 1.5;
    color: var(--c-grey-dark);
    overflow-x: hidden;
}

/* ?剝撠 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--c-white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: all 0.4s ease-out;
    text-transform: uppercase;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
    padding: 0 20px;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--c-primary);
    white-space: nowrap;
}

/* 瞍Ｗ?詨?? */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
}

.hamburger-menu span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--c-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* ?餉????*/
.main-nav {
    display: flex;
    align-items: stretch;
    flex: 1;
}

.sales-nav, .section-nav {
    display: flex;
    align-items: stretch;
}

.sales-nav {
    flex: 2;
}

.section-nav {
    flex: 1;
}

.sales-nav > ul,
.section-nav > ul {
    display: flex;
    align-items: stretch;
    width: 100%;
    list-style: none;
}

.sales-nav > ul > li,
.section-nav > ul > li {
    display: table;
    height: 100%;
}

.sales-nav > ul > li > a,
.section-nav > ul > li > a {
    display: table-cell;
    width: 100%;
    height: 100%;
    vertical-align: middle;
    font-size: 0.75em;
    padding: 1em 0.8em;
    text-align: center;
    white-space: nowrap;
    text-decoration: none;
    color: var(--c-grey-dark);
    transition: all 0.2s ease-out;
    border: none;
}

.sales-nav > ul > li > a:hover,
.section-nav > ul > li > a:hover {
    background-color: var(--c-grey-dark);
    color: var(--c-white);
}

/* ?????- ??渡? */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--c-white); /* 蝝?脰???*/
    box-shadow: -5px 0 25px rgba(0,0,0,0.15);
    z-index: 1002;
    transition: right 0.3s ease;
    padding: 80px 0 20px;
    overflow-y: auto;
}

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

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu ul li {
    margin: 0;
    border-bottom: 1px solid var(--c-grey-ultra-light); /* 瘛箇?脣??? */
}

.mobile-menu ul li:last-child {
    border-bottom: none;
}

.mobile-menu ul li a {
    display: block;
    padding: 16px 25px;
    color: var(--c-grey-dark); /* 瘛梁?脫?摮?*/
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    background: var(--c-white); /* 蝝?脰???*/
    font-weight: normal; /* 蝣箔??€??摮?舀迤撣貊?蝝?*/
}

/* 蝘駁?????蝎??畾見撘?*/
.mobile-menu ul li:nth-child(-n+4) a {
    /* 蝘駁 font-weight: 600 */
    font-weight: normal;
    background: var(--c-white);
    border-left: none;
}

.mobile-menu ul li:nth-child(n+5) a {
    font-size: 0.85rem;
    padding-left: 25px; /* ??蝮桅€?*/
    background: var(--c-white);
}

/* 蝯曹??????*/
.mobile-menu ul li a:hover {
    background-color: var(--c-primary); /* 銝餉?詨? */
    color: var(--c-white);
}

.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1001;
}

.menu-overlay.active {
    display: block;
}

/* 銝餃摰孵???*/
main {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}


/* 蝚?????€??*/
.about-section {
    min-height: 100vh;
    padding: 6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-brown) 100%);
    color: var(--c-white);
}

.about-container {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

.about-header h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
    font-weight: 300;
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.about-description {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 4rem;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--c-white);
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0.9;
    margin: 0;
}

.about-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

/* ??璅?? */
.btn {
    padding: 1.2rem 2.5rem;
    border: 2px solid var(--c-white);
    color: var(--c-white);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-radius: 8px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.btn.primary {
    background-color: var(--c-primary);
    border-color: var(--c-primary);
}

.btn.secondary {
    background: transparent;
    border: 2px solid var(--c-white);
}

.btn:hover {
    background-color: var(--c-white);
    color: var(--c-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* 華潤置地 */
.華潤置地 {
    min-height: 100vh;
    padding: 6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--c-white);
}

.collection-container {
    max-width: 1600px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 6rem;
}

.collection-content {
    flex: 1;
    max-width: 500px;
}

.collection-content h2 {
    font-family: var(--f-sans-en);
    font-size: clamp(2.5rem, 4vw, 4rem);
    color: var(--c-primary);
    margin-bottom: 1.5rem;
    font-weight: 300;
    line-height: 1.1;
}

.collection-content h3 {
    font-size: 1.3rem;
    color: var(--c-primary);
    margin-bottom: 2.5rem;
    letter-spacing: 0.3em;
    font-weight: 400;
    text-transform: uppercase;
}

.collection-content .desc {
    margin: 2.5rem 0;
    line-height: 1.8;
    font-size: 1.2rem;
    color: var(--c-grey-dark);
}

.collection-cta {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

.collection-cta .btn {
    padding: 1.2rem 2.5rem;
    border: 2px solid var(--c-primary);
    color: var(--c-primary);
    background: transparent;
    font-size: 1rem;
}

.collection-cta .btn:hover {
    background-color: var(--c-primary);
    color: var(--c-white);
}

/* ??蝬脫 */
.collection-grid {
    flex: 1.5;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 800px;
}

.grid-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    transition: all 0.4s ease;
    aspect-ratio: 4/3;
    background: var(--c-grey-ultra-light);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.grid-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.grid-item:hover .grid-image {
    transform: scale(1.08);
}

.grid-item:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.2);
}

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.95));
    color: white;
    padding: 2rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.grid-item:hover .overlay {
    transform: translateY(0);
}

.overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--c-white);
    font-weight: 600;
}

.overlay p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

/* 蝚????舐窗?€?*/
.contact {
    min-height: 80vh;
    padding: 6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--c-grey-ultra-light);
    text-align: center;
}

.contact-container {
    max-width: 800px;
    width: 100%;
}

.contact h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: var(--c-primary);
    margin-bottom: 2rem;
    font-weight: 300;
}

.contact > p {
    font-size: 1.2rem;
    color: var(--c-grey-dark);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.contact .btn {
    padding: 1.2rem 3rem;
    font-size: 1rem;
    margin-top: 1rem;
}

.contact .cta {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

/* ?偏 */
footer {
    background-color: var(--c-grey-dark);
    color: var(--c-white);
    padding: 4rem 2rem;
    text-align: center;
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-white);
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.footer-disclaimer {
    font-size: 0.8rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 2rem;
    opacity: 0.7;
}

footer p {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* WhatsApp 瘚桀??? */
#whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

.whatsapp-float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    border: 3px solid white;
}

.whatsapp-float-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
    background: #128C7E;
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

/* ?痊?脫?敶閬? - 靽?銝? */
.disclaimer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    pointer-events: auto !important;
}

.disclaimer-modal.active {
    display: flex !important;
}

.disclaimer-content {
    position: relative;
    background: white;
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.disclaimer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.8);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
}

.disclaimer-close:hover {
    background: rgba(255,0,0,0.8);
    transform: scale(1.1);
}

.disclaimer-body {
    padding: 3rem;
    line-height: 1.6;
}

.disclaimer-body p {
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.footnote {
    font-size: 0.8rem;
    color: var(--c-grey-light);
    font-style: italic;
    margin-top: 1.5rem;
}


/* 撘瑕?梯??€???典??芸???*/
#residential-menu,
#property-menu,
#residential,
.toggle-input,
.toggle,
.pmenu,
[class*="residential"],
[class*="property"][class*="menu"],
#page-header > div:not(.logo):not(.hamburger-menu),
#residential-toggle,
#property-toggle {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    left: -9999px !important;
}

/* ?????閮剛? */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }
    
    /* ?梯??餉撠嚗＊蝷箸慰?⊿??*/
    .main-nav {
        display: none !important;
    }
    
    .hamburger-menu {
        display: flex !important;
    }
    
    /* 隤踵雿? */
    .about-section,
    .華潤置地,
    .contact {
        padding: 4rem 1.5rem;
    }
    
    .collection-container {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }
    
    /* ? 靽桀儔??蝬脫蝵桐葉?? */
    .collection-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto; /* 瘛餃???蝣箔?蝵桐葉 */
        justify-items: center; /* 瘛餃???霈雯?潮??桃蔭銝?*/
    }
    
    /* 蝣箔????祈澈銋蔭銝?*/
    .grid-item {
    position: relative;
    height: 320px; /* 可按需要調整 */
    overflow: hidden;
    border-radius: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-cta,
    .cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* ????鞎祈?矽??*/
    .disclaimer-content {
        width: 95%;
        max-height: 85vh;
        margin: 10px;
    }
    
    .disclaimer-body {
        padding: 2rem 1.5rem;
    }
    
    .disclaimer-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}

/* ?餉????*/
@media (min-width: 769px) {
    .hamburger-menu,
    .mobile-menu,
    .menu-overlay {
        display: none;
    }
    
    .main-nav {
        display: flex;
    }
    
    #whatsapp-float {
        bottom: 40px;
        right: 40px;
    }
}

/* 皛曉???靽桀儔 */
body.disclaimer-active {
    overflow: hidden !important;
}

/* 蝣箔?憭??批捆甇?虜憿舐內 */
#page-content,
#page-footer,
#property-disclaimer {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* 撌虫?閫璅??- ?芸蝚砌??＊蝷?*/
.music-control-top {
    position: absolute; /* ?寧 absolute嚗撠蝚砌???*/
    top: 5px;
    left: 20px;
    z-index: 9998;
}


.music-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    color: var(--c-black); /* ?寧暺 */
    border: 2px solid rgba(0, 0, 0, 0.448); /* 瘛⊿??脣? */
    cursor: pointer;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.music-toggle-btn:hover {
    transform: scale(1.1);
    background: rgba(0,0,0,0.1);
}

/* ????€??- ?啗? + 蝝?? */
.music-toggle-btn.muted::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 3px;
    background: #ff4444;
    transform: translate(-50%, -50%) rotate(45deg);
    border-radius: 2px;
}

/* ???矽??*/
@media (max-width: 768px) {
    .music-control-top {
        top: 5px;
        left: 15px;
    }
    
    .music-toggle-btn {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .music-toggle-btn.muted::after {
        width: 20px;
        height: 2px;
    }
}

/* ?祈???敶閬?璅?? */
.coming-soon-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.coming-soon-modal.active {
    display: flex;
}

.coming-soon-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* ???桃蔗 */
}

.coming-soon-content {
    position: relative;
    background: #f2f2f2; /* ??銝剔?瘛箇? */
    width: 90%;
    max-width: 500px;
    padding: 50px 30px;
    border-radius: 4px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    text-align: center;
    z-index: 1;
}

.coming-soon-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4a4a4a; /* ??脫?摮?*/
    letter-spacing: 2px;
}

.coming-soon-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: transparent;
    border: none;
    font-size: 1.8rem;
    color: #333;
    cursor: pointer;
    line-height: 1;
    padding: 5px;
    transition: color 0.2s ease;
}

.coming-soon-close:hover {
    color: #000;
}

/* THE STERLING 擐?嚗???????Heading嚗?湔?擐?閬死 */
.hero-landing {
    position: relative;
    min-height: calc(100vh - 70px);
    overflow: hidden;
    background: #f4f0e7;
}

.hero-background {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-centre {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem 4rem;
}

.hero-logo-image {
    width: min(680px, 70vw);
    height: auto;
    margin-bottom: 4.5rem;
    filter: drop-shadow(0 8px 16px rgba(0, 92, 88, 0.12));
}

.hero-coming-soon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.15rem;
    color: #007b78;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 92, 88, 0.1);
}

.hero-coming-soon strong {
    font-size: clamp(2.4rem, 3.4vw, 3.7rem);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.hero-coming-soon span {
    font-family: "Jost", sans-serif;
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    font-weight: 500;
    letter-spacing: 0.18em;
}

@media (max-width: 768px) {
    .hero-landing,
    .hero-centre {
        min-height: calc(100svh - 70px);
    }

    .hero-background {
        object-position: 28% center;
    }

    .hero-logo-image {
        width: min(460px, 88vw);
        margin-bottom: 3.5rem;
    }

    .hero-coming-soon strong {
        font-size: clamp(2.1rem, 9vw, 3rem);
    }

    .hero-coming-soon span {
        font-size: clamp(1.2rem, 5.5vw, 1.65rem);
    }
}