/* --- VARIABLES --- */
:root {
    /* GraceLink Brand Colors */
    --clr-bg: #f8f9fa;
    --clr-card: #ffffff;
    --clr-primary: #0B1B3D; /* Deep Navy Blue */
    --clr-primary-light: rgba(11, 27, 61, 0.1);
    --clr-primary-dark: #061026; /* Darker Navy */
    
    --clr-secondary: #DCA73A; /* Metallic Gold */
    --clr-secondary-hover: #b8892d;
    --clr-secondary-light: rgba(220, 167, 58, 0.15);
    
    --clr-text-main: #2d3748; 
    --clr-text-muted: #718096; 
    --clr-text-light: #ffffff;
    --clr-text-light-muted: rgba(255, 255, 255, 0.75);
    
    --clr-light-gray: #edf2f7; 
    
    /* Tag Colors */
    --clr-tag-land: #2f855a; 
    --clr-tag-apartment: #2b6cb0; 
    --clr-tag-selling-fast: #c53030; 
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* --- RESET & BASE --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- TYPOGRAPHY UTILS --- */
.font-display { font-family: var(--font-heading); }
.text-gold { color: var(--clr-secondary); }
.text-blue-dark { color: var(--clr-primary); }
.text-white { color: var(--clr-text-light); }
.text-light { color: var(--clr-text-light-muted); }
.text-dark { color: var(--clr-text-main); }
.text-left { text-align: left !important; }
.mb-lg { margin-bottom: 2rem; }
.mt-auto { margin-top: auto; }
.w-full { width: 100%; }

/* --- ICONS --- */
.icon-small { width: 16px; height: 16px; display: inline-block; vertical-align: middle; }
.icon-gold { color: var(--clr-secondary); }

/* --- LAYOUT --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section { padding: 5rem 0; }
.bg-light-gray { background-color: var(--clr-light-gray); }
.bg-blue-dark { background-color: var(--clr-primary-dark); }

/* --- BUTTONS & BADGES --- */
.btn-primary, .btn-outline, .btn-card {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary { background-color: var(--clr-secondary); color: var(--clr-primary-dark); }
.btn-primary:hover { background-color: var(--clr-secondary-hover); }

.btn-outline {
    background-color: transparent;
    color: var(--clr-text-light);
    border: 1px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background-color: rgba(255,255,255,0.1); }

.btn-card {
    background-color: var(--clr-primary);
    color: var(--clr-text-light);
    width: 100%;
    margin-top: 1.5rem;
}
.btn-card:hover { filter: brightness(1.2); }
.btn-large { padding: 0.8rem 2rem; font-size: 1rem; }

.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.badge-gold { background-color: var(--clr-secondary); color: var(--clr-primary-dark); }
.badge-blue-light { background-color: var(--clr-primary-light); color: var(--clr-primary); }
.badge-gold-light { background-color: var(--clr-secondary-light); color: var(--clr-secondary); }

/* --- NAVBAR --- */
.navbar {
    position: sticky;
    top: 0;
    background-color: var(--clr-bg);
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }

.nav-links { display: none; }
@media (min-width: 768px) { .nav-links { display: flex; gap: 2rem; } }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--clr-text-muted); transition: color 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--clr-primary); font-weight: 600; }

.nav-contact { display: none; }
@media (min-width: 768px) { .nav-contact { display: flex; align-items: center; gap: 1.5rem; } }
.phone-number { font-weight: 600; font-size: 0.875rem; display: flex; align-items: center; gap: 0.5rem; color: var(--clr-primary); }

/* --- HERO --- */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
}
.hero-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    z-index: -2;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to right, rgba(11,27,61,0.95) 0%, rgba(11,27,61,0.5) 100%);
    z-index: -1;
}
.hero-content { max-width: 700px; margin: 0; }
.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--clr-text-light);
    line-height: 1.1;
    margin-bottom: 1.25rem;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: rgba(255,255,255,0.85);
    margin-bottom: 2rem;
    max-width: 550px;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- SECTION HEADERS --- */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 3.5rem; }
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--clr-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}
.section-subtitle { font-size: 1.125rem; color: var(--clr-text-muted); }

/* --- PROPERTY CARDS --- */
.property-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 768px) { .property-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .property-grid { grid-template-columns: repeat(3, 1fr); } }

.property-card {
    background-color: var(--clr-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.3s ease;
    display: flex; flex-direction: column;
}
.property-card:hover { box-shadow: var(--shadow-card-hover); }

.card-image-wrapper { position: relative; height: 240px; overflow: hidden; background: #e2e8f0; }
.card-image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.property-card:hover .card-image { transform: scale(1.05); }

.card-tags-top { position: absolute; top: 12px; left: 12px; display: flex; gap: 8px; }
.tag { padding: 4px 12px; border-radius: 2px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.tag-land { background-color: var(--clr-tag-land); color: white; }
.tag-apartment { background-color: var(--clr-tag-apartment); color: white; }
.tag-selling-fast { background-color: var(--clr-tag-selling-fast); color: white; }
.tag-new { background-color: var(--clr-secondary); color: var(--clr-primary-dark); }

.card-tags-bottom { position: absolute; bottom: 12px; left: 12px; }
.price-tag {
    background-color: rgba(11,27,61,0.85);
    color: var(--clr-secondary);
    padding: 6px 12px;
    border-radius: 2px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.card-content { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.card-title { font-family: var(--font-heading); font-size: 1.2rem; color: var(--clr-primary); margin-bottom: 0.25rem; }
.card-location { font-size: 0.875rem; color: var(--clr-text-muted); display: flex; align-items: center; gap: 4px; margin-bottom: 0.75rem; }
.card-size { font-size: 0.875rem; font-weight: 600; margin-bottom: 1rem; }
.feature-list { display: grid; grid-template-columns: 1fr; gap: 0.5rem; margin-bottom: 1rem; flex-grow: 1; }
.feature-list li { font-size: 0.8rem; color: var(--clr-text-muted); display: flex; align-items: center; gap: 6px; }

/* --- CONTACT --- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3.5rem; align-items: center; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-methods { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-method-item { display: flex; align-items: center; gap: 1rem; color: var(--clr-text-light); transition: color 0.3s; }
.contact-method-item:hover { color: var(--clr-secondary); }
.icon-box {
    width: 44px; height: 44px;
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(220, 167, 58, 0.2);
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
}

.contact-form {
    background-color: var(--clr-card);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-card-hover);
}
.form-title { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0; border-radius: 4px;
    font-family: inherit; font-size: 0.875rem;
    background-color: var(--clr-bg);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--clr-primary); background-color: var(--clr-card);
}

/* --- FOOTER --- */
.footer {
    padding: 4rem 0 1.5rem;
    border-top: 1px solid rgba(220, 167, 58, 0.2);
}
.footer-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    text-align: center;
    margin-bottom: 3rem;
}
@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        align-items: center;
    }
}
.footer-title {
    font-family: var(--font-heading);
    color: var(--clr-text-light);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.mb-sm { margin-bottom: 1rem; }
.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}
@media (min-width: 768px) {
    .social-links { justify-content: flex-start; }
}
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(255,255,255,0.05);
    color: var(--clr-secondary);
    border-radius: 50%;
    transition: all 0.3s ease;
}
.social-icon:hover {
    background-color: var(--clr-secondary);
    color: var(--clr-primary-dark);
    transform: translateY(-4px);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 1.5rem;
}

/* --- MODAL GALLERY STYLES --- */
.modal {
    display: none; 
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(6, 16, 38, 0.85); 
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--clr-card);
    width: 100%;
    max-width: 900px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    color: var(--clr-text-muted);
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.close-modal:hover {
    background: var(--clr-primary);
    color: var(--clr-text-light);
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .modal-grid { grid-template-columns: 1.2fr 1fr; }
}

.modal-gallery {
    padding: 1.5rem;
    background: var(--clr-light-gray);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-main-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
@media (min-width: 768px) {
    .modal-main-img { height: 400px; }
}

.modal-thumbnails {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.thumb-img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    border: 2px solid transparent;
}
.thumb-img:hover {
    opacity: 1;
    border-color: var(--clr-secondary);
}

.modal-info {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}