/* ===== Variables ===== */
:root {
    --color-primary: #2c3e2d;
    --color-primary-light: #3d5a3f;
    --color-accent: #c9a55a;
    --color-accent-hover: #b8923e;
    --color-text: #2d2d2d;
    --color-text-light: #6b6b6b;
    --color-bg: #ffffff;
    --color-bg-alt: #f7f5f2;
    --color-bg-dark: #1a1a1a;
    --color-border: #e5e0d8;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1200px;
    --nav-height: 72px;
    --radius: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ===== Container ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition);
    position: relative;
}

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

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

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

.nav-cta {
    display: inline-block;
    padding: 10px 24px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: background var(--transition);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--color-accent-hover);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.3) 0%,
        rgba(0,0,0,0.5) 50%,
        rgba(0,0,0,0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.hero-price {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 32px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(201,165,90,0.4);
}

.btn-full {
    width: 100%;
}

/* ===== Sections ===== */
.section {
    padding: 96px 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Features Grid ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--color-accent);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== Apartments ===== */
.apartments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.apartment-card {
    background: var(--color-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.apartment-img {
    position: relative;
    height: 260px;
    overflow: hidden;
}

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

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

.apartment-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    color: #fff;
}

.badge-renovated {
    background: var(--color-accent);
}

.badge-original {
    background: var(--color-primary-light);
}

.apartment-info {
    padding: 24px;
}

.apartment-info h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.apartment-layout {
    font-size: 0.95rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.apartment-info p:last-child {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== Investment ===== */
.investment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.investment-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.investment-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--color-accent);
}

.investment-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: 12px;
    line-height: 1;
}

.investment-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.investment-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== Gallery ===== */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.gallery-filter {
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    transition: var(--transition);
}

.gallery-filter:hover,
.gallery-filter.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    transition: var(--transition);
}

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

.gallery-item:hover {
    box-shadow: var(--shadow-lg);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item.hidden {
    display: none;
}

/* ===== Video ===== */
.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.video-placeholder {
    aspect-ratio: 16/9;
    background: var(--color-bg-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-placeholder-content {
    text-align: center;
    color: var(--color-text-light);
}

.video-placeholder-content svg {
    color: var(--color-accent);
    opacity: 0.5;
    margin-bottom: 16px;
}

.video-placeholder-content p {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.video-placeholder-content span {
    font-size: 0.85rem;
    opacity: 0.7;
}

.video-embed {
    aspect-ratio: 16/9;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-embed iframe {
    width: 100%;
    height: 100%;
}

/* ===== Location ===== */
.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.location-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.location-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.location-feature svg {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.location-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.location-feature p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.map-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-wrapper iframe {
    display: block;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: start;
}

.contact-person h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.contact-company {
    font-size: 0.95rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 24px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--color-text);
    transition: color var(--transition);
}

.contact-detail svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-detail:hover {
    color: var(--color-accent);
}

/* ===== Form ===== */
.contact-form {
    background: var(--color-bg-alt);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-light);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 12px;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.6);
    padding: 32px 0;
    text-align: center;
    font-size: 0.85rem;
}

.footer a {
    color: var(--color-accent);
    transition: opacity var(--transition);
}

.footer a:hover {
    opacity: 0.8;
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 2.5rem;
    color: #fff;
    opacity: 0.7;
    transition: opacity var(--transition);
    line-height: 1;
}

.lightbox-close:hover {
    opacity: 1;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: #fff;
    opacity: 0.7;
    padding: 16px;
    transition: opacity var(--transition);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 1;
}

.lightbox-prev {
    left: 16px;
}

.lightbox-next {
    right: 16px;
}

.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* ===== Fade-in animation ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .location-content {
        grid-template-columns: 1fr;
    }

    .map-wrapper iframe {
        height: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-cta {
        display: none;
    }

    .section {
        padding: 64px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .feature-card {
        padding: 24px 16px;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .gallery-filters {
        gap: 8px;
    }

    .gallery-filter {
        padding: 6px 14px;
        font-size: 0.8rem;
    }
}