/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-section: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header Styles */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 24px;
    min-height: 80px;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.logo-link:hover .logo-icon {
    transform: rotate(-5deg) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.logo-sub {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

/* Floating Admin Button */
.admin-fab {
    position: fixed;
    right: 32px;
    bottom: 32px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: all 0.3s ease;
}

.admin-fab:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 25px 30px -5px rgba(37, 99, 235, 0.4);
    background: var(--primary-dark);
}

.admin-fab i {
    font-size: 20px;
}

/* Hero Banner Section */
.hero-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-banner-content {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 2;
}

.hero-banner-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 600px;
    padding: 4rem 24px;
}

.banner-text {
    padding: 2rem 0;
    color: white;
}

.banner-text h2 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.banner-text p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    background: var(--bg-white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: #f9fafb;
}

.banner-image-placeholder {
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.banner-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

/* Section Styles */
.section-title {
    font-size: 2.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Listings Section */
.listings {
    padding: 6rem 0;
    background: var(--bg-light);
}

.apartments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.apartment-card {
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.apartment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.apartment-image {
    height: 280px;
    background: var(--bg-section);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.apartment-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.apartment-card:hover .apartment-image::after {
    opacity: 1;
}

.apartment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.apartment-card:hover .apartment-image img {
    transform: scale(1.05);
}

.apartment-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.apartment-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.apartment-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    flex-grow: 1;
    font-size: 0.95rem;
}

.apartment-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature {
    background: var(--bg-section);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.view-details {
    margin-top: auto;
    text-align: center;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.view-details::after {
    content: '→';
    transition: transform 0.3s ease;
}

.apartment-card:hover .view-details::after {
    transform: translateX(4px);
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* About Host Section */
.about-host {
    padding: 6rem 0;
    background: var(--bg-light);
}

.host-content {
    max-width: 900px;
    margin: 0 auto;
}

.host-text {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.host-text p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-medium);
    text-align: center;
}

/* About Us Section */
.about-us {
    padding: 6rem 0;
    background: var(--bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-intro {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-medium);
    margin-bottom: 3rem;
    text-align: center;
}

.subsection-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 2.5rem 0 1.5rem 0;
    letter-spacing: -0.01em;
}

.expectations-list {
    list-style: none;
    margin-bottom: 2rem;
}

.expectations-list li {
    padding: 0.75rem 0;
    color: var(--text-medium);
    position: relative;
    padding-left: 2rem;
    line-height: 1.7;
}

.expectations-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.25rem;
}

.about-content p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
    padding: 6rem 0;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    padding: 3rem 0;
}

.footer p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-banner-placeholder {
        gap: 3rem;
        padding: 3rem 20px;
    }
    
    .banner-text h2 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.25rem 20px;
        min-height: auto;
    }

    .nav {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-banner-placeholder {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 3rem 20px;
        min-height: 500px;
    }

    .banner-text {
        order: 2;
        text-align: center;
        padding: 0;
    }

    .banner-text h2 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .banner-text p {
        font-size: 1.125rem;
    }

    .banner-image-placeholder {
        height: 400px;
        order: 1;
        margin-bottom: 0;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 3rem;
    }

    .apartments-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .listings, .about-host, .about-us, .features-section, .contact {
        padding: 4rem 0;
    }

    .logo-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .logo-main {
        font-size: 1.5rem;
    }
    
    .logo-sub {
        font-size: 0.75rem;
    }

    .admin-fab {
        right: 20px;
        bottom: 20px;
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-banner {
        min-height: 500px;
    }

    .hero-banner-placeholder {
        padding: 2rem 16px;
        gap: 1.5rem;
    }

    .banner-text h2 {
        font-size: 2rem;
        line-height: 1.3;
    }

    .banner-text p {
        font-size: 1rem;
    }

    .banner-image-placeholder {
        height: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .apartments-grid {
        grid-template-columns: 1fr;
    }

    .apartment-content {
        padding: 1.5rem;
    }

    .logo-icon {
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }
    
    .logo-main {
        font-size: 1.25rem;
    }
    
    .logo-sub {
        font-size: 0.7rem;
    }
    
    .logo-link {
        gap: 0.75rem;
    }

    .nav {
        gap: 1rem;
        font-size: 0.9rem;
    }
}