/* =========================================================================
   VARIABLES & RESET
   ========================================================================= */
:root {
    --color-primary: #1a2a6c;   /* Bleu Nuit */
    --color-accent: #d4af37;    /* Or */
    --color-accent-hover: #b8982f;
    --color-bg: #FAF9F6;        /* Blanc cassé */
    --color-white: #ffffff;
    --color-text-main: #333333;
    --color-text-muted: #666666;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    
    --transition-fast: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px 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);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =========================================================================
   TYPOGRAPHY & UTILITIES
   ========================================================================= */
h1, h2, h3, h4, h5, h6, .logo {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-title.text-center {
    text-align: center;
}

.subtitle {
    display: block;
    color: var(--color-accent);
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 1px;
    gap: 10px;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-block {
    width: 100%;
}

/* =========================================================================
   NAVBAR
   ========================================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    padding: 20px 0;
}

.navbar.scrolled {
    padding: 15px 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.5rem;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.logo span {
    color: var(--color-accent);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 5px 0;
}

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

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

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger-menu span {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 42, 108, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    color: var(--color-white);
    font-size: 4.5rem;
    margin-bottom: 40px;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    color: var(--color-accent);
    font-style: italic;
    font-weight: 400;
}

/* Search Bar */
.search-bar {
    background: var(--color-white);
    padding: 10px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: inline-block;
    width: 100%;
}

#hero-search {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.input-group {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    flex: 1;
    gap: 15px;
}

.input-group i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.input-group input,
.input-group select {
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-main);
    width: 100%;
    background: transparent;
    cursor: text;
}

.input-group select {
    cursor: pointer;
    appearance: none;
}

.divider {
    width: 1px;
    height: 40px;
    background-color: #eee;
}

/* =========================================================================
   BIENS (PROPERTIES) SECTION
   ========================================================================= */
.grid-biens {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card-bien {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.card-bien:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-image-wrapper {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.card-bien:hover .card-image {
    transform: scale(1.1);
}

.badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 15px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    z-index: 2;
    color: var(--color-white);
    letter-spacing: 1px;
}

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

.badge-vendu {
    background-color: #e74c3c;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 42, 108, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
    z-index: 1;
}

.card-bien:hover .card-overlay {
    opacity: 1;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.location {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.location i {
    color: var(--color-accent);
}

.features {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #eee;
    padding: 15px 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.features span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.features i {
    font-size: 1.2rem;
    color: var(--color-primary);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.price {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* =========================================================================
   SERVICES SECTION
   ========================================================================= */
.services {
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.service-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--color-bg);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    background: var(--color-primary);
    color: var(--color-white);
}

.service-card:hover h3,
.service-card:hover p {
    color: var(--color-white);
}

.service-card:hover .icon-wrapper i {
    color: var(--color-white);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    background-color: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition-fast);
}

.icon-wrapper i {
    font-size: 2.5rem;
    color: var(--color-accent);
    transition: var(--transition-fast);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    transition: var(--transition-fast);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

/* =========================================================================
   CONTACT SECTION
   ========================================================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background-color: var(--color-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-item i {
    font-size: 2rem;
    color: var(--color-accent);
}

.info-item span {
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
    background-color: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

/* Success Message */
.form-success {
    text-align: center;
    padding: 40px 20px;
    background: #f8fdf8;
    border: 1px solid #2ecc71;
    border-radius: 8px;
    animation: fadeIn 0.5s ease;
}

.form-success.hidden {
    display: none;
}

.success-icon i {
    font-size: 4rem;
    color: #2ecc71;
    margin-bottom: 15px;
}

.form-success h3 {
    color: #27ae60;
    margin-bottom: 10px;
}

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

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 80px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--color-white);
    display: inline-block;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.footer h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--color-accent);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.2rem;
}

.social-icons a:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.modal-trigger {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-trigger:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* =========================================================================
   MODALS
   ========================================================================= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-content {
    background-color: var(--color-white);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 8px;
    padding: 40px;
    position: relative;
    transform: translateY(20px);
    transition: all 0.4s ease;
    overflow-y: auto;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-main);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

.modal h2 {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--color-accent);
}

.modal-body h3 {
    margin: 25px 0 10px;
    font-size: 1.2rem;
    color: var(--color-primary);
}

/* =========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================= */
@media screen and (max-width: 1024px) {
    .grid-biens {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .contact-wrapper {
        gap: 30px;
        padding: 30px;
    }
}

@media screen and (max-width: 768px) {
    /* Navbar */
    .burger-menu {
        display: flex;
    }

    .burger-menu.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .burger-menu.active span:nth-child(2) {
        opacity: 0;
    }

    .burger-menu.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        gap: 20px;
        box-shadow: var(--shadow-md);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }

    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .hero-title {
        font-size: 2.8rem;
    }
    
    #hero-search {
        flex-direction: column;
    }
    
    .divider {
        width: 100%;
        height: 1px;
    }
    
    .input-group {
        width: 100%;
    }
    
    .grid-biens,
    .services-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}