/* ========================================
   Real Estate Landing Page Stylesheet
   Version: 1.0.0
   Client: Sphurit Technologies
   ========================================
*/

/* --- CSS Reset and Global Styles --- */
:root {
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --color-primary-dark: #1a233a; /* Deep Navy Blue */
    --color-primary-light: #f0f4f8; /* Light blue/grey BG */
    --color-accent: #b89e6f;       /* Premium Gold/Beige */
    --color-accent-dark: #8c7a51;
    --color-text-dark: #222222;
    --color-text-medium: #555555;
    --color-text-light: #ffffff;
    --color-border: #e0e0e0;
    --color-bg-white: #ffffff;
    --color-whatsapp: #25D366;
    --transition-main: all 0.3s ease-in-out;
    --container-width: 1140px;
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.1);
    --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;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition-main);
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-dark);
    border-color: var(--color-text-dark);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 3rem; margin-bottom: 0.5rem; }
h2 { font-size: 2.5rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
h4 { font-size: 1.25rem; }

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

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-medium);
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 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, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    text-decoration: none;
    color: var(--color-primary-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.main-nav a {
    /* Desktop button styles */
    display: inline-flex; /* Use flex to align icon and text */
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    font-family: var(--font-body);
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition-main);
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-nav a .icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.main-nav a.nav-link-outline {
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.main-nav a.nav-link-outline:hover {
    background: var(--color-accent);
    color: var(--color-text-light);
}
.main-nav a.nav-link-solid {
    background: var(--color-accent);
    color: var(--color-text-light);
    border-color: var(--color-accent);
}
.main-nav a.nav-link-solid:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

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

.menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--color-primary-dark);
    transition: all 0.3s ease-in-out;
}

.menu-toggle.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.menu-toggle.open .bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* --- Hero Section --- */
.hero-section {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* REPLACED IMAGE PATH */
    background: url('/sample5/assets/photo1.avif') no-repeat center center/cover;
    padding-top: 60px; /* Space for top-nav */
}

.hero-carousel-container {
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 1.5rem 0;
}

.hero-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 0 2rem 1.5rem;
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) rgba(0,0,0,0.3);
}

.hero-carousel::-webkit-scrollbar {
    height: 8px;
}

.hero-carousel::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.3);
    border-radius: 4px;
}

.hero-carousel::-webkit-scrollbar-thumb {
    background-color: var(--color-accent);
    border-radius: 4px;
}

.carousel-item {
    flex: 0 0 180px;
    height: 120px;
    border-radius: 8px;
    background-size: cover;
    background-position: center;
    position: relative;
    cursor: pointer;
    transition: var(--transition-main);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 2px solid transparent;
    overflow: hidden;
}

.carousel-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0.8;
    transition: var(--transition-main);
}

.carousel-item:hover::after {
    opacity: 1;
}

.carousel-item:hover {
    transform: scale(1.03);
    border-color: var(--color-accent);
}

.carousel-item span {
    position: absolute;
    bottom: 8px;
    left: 10px;
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.7);
    z-index: 2;
}

/* --- About & Form Section --- */
.about-section {
    padding: 5rem 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content .breadcrumbs {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    margin-bottom: 1rem;
}

.about-content .breadcrumbs span {
    color: var(--color-text-dark);
    font-weight: 500;
}

.about-content .subheading {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 1rem 0;
}

.about-content .certs {
    display: inline-block;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--color-primary-dark);
    transition: var(--transition-main);
}
.about-content .certs:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent-dark);
}

.about-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

/* Enquiry Form */
.enquiry-form-container {
    background: var(--color-primary-light);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.enquiry-form-container h2 {
    text-align: left;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.enquiry-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: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(184, 158, 111, 0.3);
}

.checkbox-group {
    font-size: 0.8rem;
    color: var(--color-text-medium);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
}

.enquiry-form .btn-primary {
    font-size: 1rem;
    padding: 1rem;
}

/* --- Gallery Section --- */
.gallery-section {
    padding-bottom: 5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.gallery-item {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: 8px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0);
    transition: var(--transition-main);
}

.gallery-item:hover::after {
    background: rgba(0,0,0,0.3);
}

.gallery-tag {
    position: absolute;
    top: 2rem;
    left: 2rem;
    background: var(--color-accent);
    color: var(--color-text-light);
    padding: 0.5rem 1rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    z-index: 2;
}

/* --- Amenities Section --- */
#amenities {
    background-color: var(--color-bg-white);
    padding: 5rem 0;
}
#amenities h2 {
    margin-bottom: 1rem;
}

.amenities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
}
.amenity-item {
    text-align: center;
    background: var(--color-primary-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition-main);
}
.amenity-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--color-accent);
}
.amenity-item .icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1.5rem auto;
    color: var(--color-accent);
}
.amenity-item h4 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

/* --- Floor Plans Section --- */
#floor-plans {
    padding: 5rem 0;
    background-color: var(--color-primary-light);
}
#floor-plans h2 {
    margin-bottom: 2rem;
}
.tab-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}
.tab-button {
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-main);
}
.tab-button:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-text-light);
    border-color: var(--color-accent-dark);
}
.tab-button.active {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    border-color: var(--color-accent);
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}
.tab-content img {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

/* --- Location Section --- */
#location {
    padding: 5rem 0;
}
#location h2 {
    margin-bottom: 3rem;
}
.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.location-content ul {
    list-style: none;
    margin-top: 1.5rem;
}
.location-content li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
}
.location-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: 700;
}
.map-placeholder {
    width: 100%;
    height: 450px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}
.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Enquire Section --- */
.enquire-section {
    padding: 5rem 0;
    background-color: var(--color-primary-light);
}
.enquire-section .enquiry-form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-bg-white); /* White box on light bg */
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.07);
}
.enquire-section .enquiry-form-container h2 {
    text-align: center;
}
.enquire-section .section-subtitle {
     text-align: center;
     max-width: 500px;
     margin: 1rem auto 2rem auto;
}


/* --- Footer --- */
.main-footer {
    background-color: var(--color-primary-dark);
    color: #ccc;
    padding: 5rem 0 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
    text-align: left;
    margin-bottom: 4rem;
}

.footer-widget .logo {
    font-size: 2rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    display: inline-block;
    text-decoration: none;
}

.footer-widget p {
    color: #aaa;
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 350px;
}

.footer-widget h4 {
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget li {
    margin-bottom: 0.75rem;
}

.footer-widget a {
    text-decoration: none;
    color: #aaa;
    transition: var(--transition-main);
}

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

.footer-widget .contact-item {
    display: block;
    color: #aaa;
    margin-bottom: 0.75rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #3a445a;
    padding-top: 2rem;
}

.footer-bottom p {
    color: #888;
    margin: 0;
    font-size: 0.9rem;
}

/* =================================== */
/* 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: 2rem;
    border-radius: 8px;
    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 .enquiry-form {
    gap: 1rem;
}
.popup-form-container .form-group {
    margin-bottom: 0; /* Remove default margin if any */
}
.popup-form-container .form-group input,
.popup-form-container .form-group textarea {
    background: var(--color-primary-light); /* 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: 992px) {
    .about-section {
        padding: 3rem 0;
    }
    .container {
        padding: 0 1rem;
    }
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2.25rem; }
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }
    .gallery-item {
        height: 300px;
    }
    .amenities-grid {
        grid-template-columns: 1fr 1fr;
    }
    .location-grid {
        grid-template-columns: 1fr;
    }
    .map-placeholder {
        margin-top: 2rem;
        height: 350px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .top-nav {
        padding: 0.75rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 61px; /* Height of the nav */
        left: 0;
        width: 100%;
        background: var(--color-bg-white);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 1rem 0 0 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .main-nav.open {
        display: flex;
    }
    
    .main-nav a {
        /* Mobile stacked link styles */
        display: flex;
        width: 100%;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
        border-color: transparent transparent var(--color-border) transparent;
        color: var(--color-text-dark);
        background: var(--color-bg-white);
        text-align: left;
    }
    
    .main-nav a:hover {
        background: var(--color-primary-light);
        color: var(--color-primary-dark);
    }
    
    .main-nav a .icon {
        display: inline-block; /* Show icons on mobile */
    }

    .main-nav a.nav-link-solid {
        /* Make solid link look like the others on mobile */
        background: var(--color-bg-white);
        color: var(--color-text-dark);
    }
    .main-nav a.nav-link-solid:hover {
        background: var(--color-primary-light);
        color: var(--color-primary-dark);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-carousel {
        padding: 0 1rem 1rem;
        gap: 1rem;
    }
    .carousel-item {
        flex: 0 0 140px;
        height: 100px;
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 2rem; }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .gallery-item {
        height: 300px;
    }
    .gallery-tag {
        top: 1.5rem;
        left: 1.5rem;
    }
    .amenities-grid {
        grid-template-columns: 1fr;
    }
    .tab-nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    .enquire-section .enquiry-form-container {
        padding: 2rem 1.5rem;
    }

    .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: 2rem 1.5rem;
        width: 95%;
    }
    .popup-form-container h3 {
        font-size: 1.5rem;
    }
}