/* ========================================
   Real Estate Landing Page Stylesheet
   Version: 1.0.0 (Apex Tower)
   Client: Sphurit Technologies
   ========================================
*/

/* --- CSS Reset and Global Styles --- */
:root {
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --color-primary-dark: #1F2937; /* Dark Cool Gray */
    --color-primary-medium: #4B5563; /* Medium Cool Gray */
    --color-accent: #3B82F6;       /* Bright Blue */
    --color-accent-light: #93C5FD; /* Light Blue */
    --color-secondary: #F3F4F6;    /* Light Gray Background */
    --color-text-dark: #111827;    /* Very Dark Gray */
    --color-text-medium: #6B7280;   /* Medium Gray Text */
    --color-text-light: #ffffff;
    --color-border: #D1D5DB;       /* Gray Border */
    --color-bg-white: #ffffff;
    --color-whatsapp: #25D366;
    --transition-main: all 0.3s ease-in-out;
    --container-width: 1140px;
    --border-radius-main: 8px;
    --border-radius-small: 6px;
    --shadow-light: 0 5px 15px rgba(0,0,0,0.05);
    --shadow-medium: 0 8px 25px rgba(31, 41, 55, 0.08); /* Gray shadow */
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 70px; /* Space for fixed header */
}

/* Utility Classes */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px; /* Slightly more rounded */
    transition: var(--transition-main);
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: #1D4ED8; /* Darker Blue */
    border-color: #1D4ED8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary-dark);
    border: 2px solid var(--color-primary-dark);
    font-weight: 600; /* Bolder outline */
}

.btn-outline:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-text-light);
}

.btn-light-outline {
     background-color: transparent;
    color: var(--color-text-light);
    border: 2px solid var(--color-text-light);
}
.btn-light-outline:hover {
    background-color: var(--color-text-light);
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    font-weight: 700;
    line-height: 1.3;
}

h1 { font-size: 3.25rem; margin-bottom: 1rem; }
h2 { font-size: 2.75rem; text-align: center; margin-bottom: 1rem; }
h3 { font-size: 1.75rem; margin-bottom: 1rem; }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: var(--color-text-medium);
}
p:last-child { margin-bottom: 0; }

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-medium);
    max-width: 700px;
    margin: 0 auto 4rem auto;
    line-height: 1.7;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* Section Styling */
section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}
.light-gray-bg {
    background-color: var(--color-secondary);
}
.dark-bg {
     background-color: var(--color-primary-dark);
     color: var(--color-text-light);
}
.dark-bg h2, .dark-bg h3, .dark-bg h4 {
    color: var(--color-text-light);
}
.dark-bg p, .dark-bg .section-subtitle {
     color: #D1D5DB; /* Lighter grey text on dark */
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Top Navigation --- */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(8px);
     -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}
 .top-nav.scrolled {
     padding: 0.75rem 0;
     box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    color: var(--color-primary-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.6rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-nav .nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none; /* Add list-style none */
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    padding-bottom: 0.25rem;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.main-nav .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

 .main-nav .nav-links a:hover {
     color: var(--color-accent); /* Hover effect */
 }

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

.main-nav .btn {
    padding: 0.6rem 1.4rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.menu-toggle .bar {
    display: block;
    width: 28px;
    height: 3px;
    margin: 6px 0;
    background-color: var(--color-primary-dark);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

.menu-toggle.open .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-toggle.open .bar:nth-child(2) { opacity: 0; }
.menu-toggle.open .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }


/* --- Hero Section --- */
.hero-section {
    padding: 6rem 0;
    background-color: var(--color-secondary);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-content { z-index: 2; }

.hero-content .subtitle-small {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--color-text-medium);
}

.hero-image { position: relative; z-index: 1; }
.hero-image img {
     border-radius: 12px;
     box-shadow: 0 20px 40px rgba(31, 41, 55, 0.15); /* Gray shadow */
     aspect-ratio: 5 / 4;
     object-fit: cover;
}

/* --- Key Features Bar --- */
.features-bar {
    padding: 4rem 0;
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}
.feature-item .icon {
     width: 40px;
     height: 40px;
     margin: 0 auto 1rem auto;
     color: var(--color-accent);
}
.feature-item h4 {
     font-size: 1.1rem;
     margin-bottom: 0.5rem;
     font-family: var(--font-body);
     font-weight: 600;
     color: var(--color-primary-dark);
}
.feature-item p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--color-text-medium);
}

/* --- Overview Section --- */
#overview { padding: 6rem 0; }
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr; /* Image slightly larger */
    gap: 4rem;
    align-items: center;
}
.overview-image img {
     box-shadow: 0 15px 35px rgba(31, 41, 55, 0.1);
}
.overview-content h2 {
     text-align: left;
}
.overview-content .tagline {
     font-size: 1.1rem;
     font-weight: 500;
     color: var(--color-primary-medium);
     margin: -0.5rem 0 1.5rem 0;
     display: block;
}

/* --- Amenities Section --- */
#amenities { padding: 6rem 0; background-color: var(--color-secondary); }
.amenities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.amenity-card {
    background: var(--color-bg-white);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition-main);
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}
.amenity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.07);
    border-color: var(--color-accent-light);
}
.amenity-card .icon {
     width: 50px;
     height: 50px;
     margin: 0 auto 1rem auto;
     color: var(--color-accent);
}
.amenity-card h4 {
     font-size: 1.1rem;
     margin-bottom: 0.25rem;
     font-family: var(--font-body);
     font-weight: 600;
     color: var(--color-primary-dark);
}
.amenity-card p {
    font-size: 0.9rem;
    margin: 0;
}

/* --- Floor Plans Section --- */
#floor-plans { padding: 6rem 0; }
.floor-plan-container { text-align: center; }
.floor-plan-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}
.tab-button {
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    background: var(--color-secondary);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-main);
    color: var(--color-text-medium);
}
.tab-button:hover {
    background-color: var(--color-primary-medium);
    color: var(--color-text-light);
    border-color: var(--color-primary-medium);
}
.tab-button.active {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    border-color: var(--color-accent);
}
.tab-content { display: none; animation: fadeInContent 0.5s ease; }
.tab-content.active { display: block; }
.tab-content img {
    max-width: 900px;
    margin: 1rem auto 0 auto;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

@keyframes fadeInContent {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Gallery Section --- */
#gallery { padding: 6rem 0; background-color: var(--color-secondary); }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}
.gallery-item {
    position: relative;
    height: 350px;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease, filter 0.4s ease;
}
.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(0.9);
}

/* --- Location Section --- */
#location { padding: 6rem 0; }
.location-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.location-content h2 { text-align: left; }
.location-list { list-style: none; margin-top: 2rem; padding-left: 0;} /* Added padding-left: 0 */
.location-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1rem;
    font-weight: 500;
}
.location-list li .icon {
     width: 24px;
     height: 24px;
     color: var(--color-accent);
     flex-shrink: 0;
}
.map-placeholder {
    width: 100%;
    height: 450px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.map-placeholder img { width: 100%; height: 100%; object-fit: cover; }

/* --- Testimonials Section --- */
#testimonials { padding: 6rem 0; background-color: var(--color-secondary); }
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.testimonial-card {
    background: var(--color-bg-white);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
 .testimonial-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 12px 25px rgba(0,0,0,0.08);
 }
.testimonial-card::before { /* Quote icon */
    content: '“';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 4rem;
    color: var(--color-accent-light);
    font-family: var(--font-heading);
    line-height: 1;
    z-index: 1;
    opacity: 0.6;
}
.testimonial-card p {
    font-size: 0.95rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
}
.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}
.author-info h5 {
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: var(--color-primary-dark);
}
.author-info span {
    font-size: 0.85rem;
    color: var(--color-text-medium);
}

/* --- Contact Form Section --- */
#contact { padding: 6rem 0; }
.contact-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-secondary);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.07);
}
.contact-container h2 { text-align: center; }
 .contact-container .section-subtitle {
     margin-bottom: 2.5rem;
 }
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-bg-white);
    transition: border-color 0.3s ease, box-shadow 0.3s ease; /* Added transition */
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}
 .form-group textarea {
     resize: vertical;
     min-height: 120px;
 }
.contact-form .btn-primary { font-size: 1rem; padding: 1rem; }

/* Main Form Success Message (NEW) */
#form-success-message {
    display: none;
    text-align: center;
    padding: 1rem;
    margin-top: 1.5rem;
    background-color: #E0F2FE; /* Light blue */
    color: #0C4A6E; /* Dark blue */
    border: 1px solid #7DD3FC; /* Medium blue */
    border-radius: var(--border-radius-small);
}
#form-success-message.visible {
    display: block;
    animation: fadeInContent 0.5s ease;
}


/* --- Footer --- */
.main-footer {
    background-color: var(--color-primary-dark);
    color: #9CA3AF; /* Light Gray Footer Text */
    padding: 5rem 0 2rem 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    text-align: left;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
     border-bottom: 1px solid var(--color-primary-medium);
}
.footer-widget .logo {
    font-size: 1.75rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
    display: inline-block;
    text-decoration: none;
}
.footer-widget p {
    color: #9CA3AF;
    font-size: 0.9rem;
    max-width: 350px;
}
.footer-widget h4 {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}
.footer-widget ul { list-style: none; padding-left: 0; } /* Added padding-left: 0 */
.footer-widget li { margin-bottom: 0.75rem; }
.footer-widget a {
    text-decoration: none;
    color: #9CA3AF;
    transition: var(--transition-main);
    font-size: 0.9rem;
}
.footer-widget a:hover { color: var(--color-accent-light); }
.footer-widget .contact-item {
    display: block;
    color: #9CA3AF;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}
.footer-bottom { text-align: center; padding-top: 2rem; } /* Added padding-top */
.footer-bottom p {
    color: #6B7280; /* Darker grey for copyright */
    margin: 0;
    font-size: 0.85rem;
}

/* =================================== */
/* Sticky Buttons & Popup (NEW)      */
/* =================================== */

.sticky-btn {
    position: fixed;
    bottom: 20px;
    z-index: 990;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    box-shadow: var(--shadow-dark);
    transition: var(--transition-main);
    cursor: pointer;
    border: none;
}
.sticky-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.sticky-btn.whatsapp {
    left: 20px;
    background-color: var(--color-whatsapp);
}
.sticky-btn.whatsapp:hover {
    background-color: #1ebe57;
}
.whatsapp-icon {
    width: 28px;
    height: 28px;
    color: white;
}

.sticky-btn.contact-us {
    right: 20px;
    background-color: var(--color-primary-dark);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0 1.5rem;
    width: auto;
    height: 50px;
    border-radius: 25px;
    color: var(--color-text-light);
}
.sticky-btn.contact-us:hover {
    background-color: #000;
}

.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.popup-overlay.open {
    display: flex;
    opacity: 1;
}

.popup-form-container {
    background: var(--color-bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius-main);
    box-shadow: var(--shadow-dark);
    max-width: 450px;
    width: 90%;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}
.popup-overlay.open .popup-form-container {
    transform: scale(1);
}

.popup-form-container .close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: #aaa;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}
.popup-form-container .close-btn:hover {
    color: var(--color-primary-dark);
}

.popup-form-container h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}
.popup-form-container p {
    text-align: center;
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Re-use existing form styles */
.popup-form-container .contact-form {
    gap: 1rem;
}
.popup-form-container .form-group {
    margin-bottom: 0;
}
.popup-form-container .form-group input,
.popup-form-container .form-group textarea {
    background: var(--color-secondary); /* Lighter bg for popup */
}
.popup-form-container .btn-primary {
    width: 100%;
    font-size: 1rem;
    margin-top: 1rem;
}

.popup-thank-you {
    display: none; /* Hidden by default */
    text-align: center;
    padding: 3rem 1rem;
}
.popup-thank-you h3 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
}

/* State for showing thank you message */
.popup-form-container.submitted .form-content {
    display: none;
}
.popup-form-container.submitted .popup-thank-you {
    display: block;
}


/* --- Responsive Design --- */

@media (max-width: 1024px) {
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2.25rem; }
    section, #overview, #amenities, #floor-plans, #gallery, #location, #testimonials, #contact { 
         padding: 4rem 0; 
    }
    .nav-container { padding: 0 1.5rem; }
    
    .hero-content h1 { font-size: 3rem; }
    .hero-content p { font-size: 1rem; }
    
    .overview-grid { grid-template-columns: 1fr; }
    .overview-image img { margin-top: 2rem; }
    .overview-content h2 { text-align: center; }
    .overview-content .tagline { text-align: center; }

    .features-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .amenities-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .location-grid { grid-template-columns: 1fr; }
    .map-placeholder { height: 350px; margin-top: 2rem; order: 1; }
     .location-content { order: 0;}
    .testimonial-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
    body { padding-top: 60px; } /* Adjust for header height */
    .top-nav { padding: 0.75rem 0; }
    .nav-container { padding: 0 1rem; }
    .logo { font-size: 1.4rem; }
    
    /* Mobile Nav Styling */
    .main-nav {
        position: fixed;
        top: 60px; /* Match body padding */
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 60px);
        background: var(--color-bg-white);
        flex-direction: column;
        align-items: flex-start;
        justify-content: space-between;
        gap: 0;
        padding: 1.5rem 1rem;
        box-shadow: 5px 0 15px rgba(0,0,0,0.1);
        transition: left 0.4s ease-in-out;
    }
     .main-nav .nav-links { display: none; }
    .main-nav.open { left: 0; }
    .main-nav.open .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0;
        list-style: none;
    }
     .main-nav.open .nav-links li { width: 100%; }
    .main-nav.open a {
        padding: 1rem 0;
        width: 100%;
        border-bottom: 1px solid var(--color-border);
        color: var(--color-text-dark);
    }
     .main-nav.open .nav-links li:last-child a { border-bottom: none; }
     .main-nav.open .nav-links a:hover {
         color: var(--color-accent);
         background-color: var(--color-secondary);
     }
    .main-nav .nav-links a::after { display: none; }
    .main-nav .btn { display: none; }
     .main-nav.open .btn { 
         display: block;
         margin-top: auto;
         width: 100%; 
         margin-bottom: 1rem;
    } 
    .menu-toggle { display: block; }
    
    .hero-section { padding: 4rem 0; text-align: center; } /* Center hero on mobile */
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-image { display: none; } /* Hide image on mobile */
    .hero-content h1 { font-size: 2.5rem; }
    
    .features-grid { grid-template-columns: 1fr; gap: 2rem; }
    .amenities-grid { grid-template-columns: 1fr; }
    .floor-plan-tabs { flex-direction: column; gap: 0.5rem; }
    .gallery-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .contact-container { padding: 2rem 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }

    /* Sticky Buttons Responsive */
    .sticky-btn {
        width: 50px;
        height: 50px;
        bottom: 15px;
    }
    .sticky-btn.whatsapp {
        left: 15px;
    }
    .sticky-btn.contact-us {
        right: 15px;
        height: 45px;
        font-size: 0.8rem;
    }
    .popup-form-container {
        padding: 2.5rem 1.5rem;
        width: 95%;
    }
    .popup-form-container h3 {
        font-size: 1.5rem;
    }
}