@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600&family=Space+Grotesk:wght@300;400;500;600;700&family=Syne:wght@700;800&display=swap');

/* --- Reset & Base Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-dark-primary: #12161a;
    --bg-dark-secondary: #0c0f12;
    --card-border: rgba(255, 255, 255, 0.06);
    --card-border-glow: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.65);
    --text-muted: rgba(255, 255, 255, 0.38);
    --accent: #d4af37; /* Architectural bronze/gold */
    --accent-glow: rgba(212, 175, 55, 0.35);
    --font-title: 'Syne', sans-serif;
    --font-ui: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
    --transition-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-snappy: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark-secondary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- Utility Typography --- */
h1, h2, h3 {
    font-family: var(--font-title);
    letter-spacing: -0.02em;
}

.wide-text {
    font-family: var(--font-ui);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* --- Container Layout --- */
.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

.main-content {
    width: 100%;
}

/* --- Section Base --- */
.section {
    width: 100%;
    padding: 7.5rem 0;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* --- Section 1: HERO SECTION (Full Viewport) --- */
.hero-section {
    width: 100%;
    height: 100vh;
    min-height: 750px;
    position: relative;
    background-image: url('assets/hero_glasshaven.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(12, 15, 18, 0.45) 0%, rgba(18, 22, 26, 0.85) 100%);
    z-index: 1;
}

.hero-container {
    height: 80%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    z-index: 5;
}

.hero-nav {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
}

.hero-nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    padding: 0.5rem 0;
    position: relative;
}

.hero-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition-smooth);
}

.hero-nav a:hover {
    color: #fff;
}

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

.hero-brand {
    font-size: clamp(3.5rem, 9vw, 7.5rem);
    font-weight: 800;
    line-height: 0.85;
    text-align: center;
    color: #ffffff;
    letter-spacing: -0.05em;
    text-shadow: 0 15px 45px rgba(0,0,0,0.65);
    text-transform: uppercase;
    margin: auto 0;
}

.hero-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.hero-footer .tagline {
    font-family: var(--font-ui);
    font-size: clamp(1rem, 2.2vw, 1.35rem);
    font-weight: 500;
    letter-spacing: 0.05em;
    max-width: 450px;
    line-height: 1.35;
    text-transform: uppercase;
}

.hero-footer .location {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* --- Section 2: OUR SERVICES --- */
.services-section {
    background-color: var(--bg-dark-primary);
}

.section-title {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4rem;
    text-transform: uppercase;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    cursor: pointer;
}

.service-image-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1.15;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.service-col:hover .service-image-wrapper img {
    transform: scale(1.08);
}

.service-num {
    font-family: var(--font-ui);
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.service-col:hover .service-num {
    color: var(--accent);
    transform: translateX(4px);
}

.service-title {
    font-family: var(--font-ui);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.service-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.6;
}

/* --- Section 3: HOUSE PLAN --- */
.plan-section {
    background-color: var(--bg-dark-secondary);
}

.plan-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4.5rem;
    align-items: center;
}

.plan-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.plan-header {
    margin-bottom: 2.5rem;
}

.plan-area {
    font-family: var(--font-ui);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-top: -0.5rem;
}

/* Room Specification List */
.room-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.room-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.95rem 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-snappy);
    border-radius: var(--border-radius-sm);
}

.room-item:hover, .room-item.active {
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    padding-left: 1.25rem;
    border-bottom-color: rgba(255, 255, 255, 0.15);
}

.room-item.active {
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.room-area {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.room-item:hover .room-area, .room-item.active .room-area {
    color: var(--accent);
}

/* Interactive Visual Plan Panel */
.plan-visual-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    aspect-ratio: 1.15 / 1;
    background: #0d1013;
}

.plan-visual-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Room Overlays mapping */
.floor-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.overlay-room {
    position: absolute;
    background: rgba(212, 175, 55, 0.18);
    border: 1.5px solid var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    border-radius: 4px;
    opacity: 0;
    transform: scale(0.97);
    transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-room::after {
    content: attr(data-room);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: rgba(12, 15, 18, 0.95);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.overlay-room.highlighted {
    opacity: 1;
    transform: scale(1);
}

.overlay-room.highlighted::after {
    opacity: 1;
    transform: translateY(0);
}

/* Watermark label */
.watermark {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
    margin-top: 1.2rem;
    letter-spacing: 0.05em;
}

/* --- Section 4: THE CONCEPT --- */
.concept-section {
    background-color: var(--bg-dark-primary);
}

.concept-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
    align-items: center;
}

.concept-text {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.concept-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.7;
}

.concept-stat-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.stat-val {
    font-family: var(--font-title);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--accent);
    font-weight: 700;
    line-height: 1;
}

.stat-lbl {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Section 5: CONTACT & INQUIRY --- */
.contact-section {
    background-color: var(--bg-dark-secondary);
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3rem;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.contact-detail-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.contact-detail-text {
    display: flex;
    flex-direction: column;
}

.contact-detail-text span:first-child {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.contact-detail-text span:last-child {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.form-group label {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.2rem;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.1);
}

textarea.form-input {
    resize: none;
    height: 140px;
}

.submit-btn {
    background: #fff;
    color: #12161a;
    border: 1px solid #fff;
    padding: 1.1rem 2.5rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    align-self: flex-start;
}

.submit-btn:hover {
    background: transparent;
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 22px rgba(212, 175, 55, 0.25);
}

/* --- Footer Section --- */
.page-footer {
    width: 100%;
    background-color: var(--bg-dark-secondary);
    padding: 3rem 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--accent);
}

/* --- Animation States & Classes --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Adjustments --- */
@media (max-width: 992px) {
    .container {
        padding: 0 2rem;
    }
    
    .section {
        padding: 5.5rem 0;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .plan-layout {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .concept-layout {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }
    
    .hero-section {
        min-height: 600px;
    }
    
    .hero-container {
        height: 85%;
    }
    
    .hero-nav {
        display: none; /* Hide top nav on mobile */
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}