/* --- Design System --- */
:root {
    --primary: #C5A028; /* Refined Gold */
    --primary-dark: #A6851F;
    --secondary: #121212; /* Deeper Black */
    --accent: #E5E5E5;
    --text-main: #1F1F1F;
    --text-muted: #555555;
    --white: #FFFFFF;
    --light: #FBFBFB;
    --dark: #0A0A0A;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    --transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1100px;
}

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

html, body {
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    position: relative;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
}

/* --- Preloader --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader {
    width: 40px;
    height: 40px;
    border: 3px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

h1, h2, h3, .logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.bg-light { background-color: var(--light); }
.bg-dark { background-color: var(--dark); }
.text-white { color: var(--white); }
.text-center { text-align: center; }

/* --- Components --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

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

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

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

.shadow-lg { box-shadow: var(--shadow); }
.img-rounded { border-radius: 20px; }

/* --- Header & Nav --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    min-height: 80px;
    display: flex;
    align-items: center;
}

header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(15px);
    padding: 15px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

header.scrolled .logo-text { color: var(--dark); }
header.scrolled .nav-links a { color: var(--text-main); }

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-text {
    font-size: 1.8rem;
    color: var(--white);
    white-space: nowrap;
    flex-shrink: 0;
}

.logo-text .accent { color: var(--primary); }

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
    color: var(--white);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition);
}

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

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

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

/* --- Hero Section --- */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--white);
}

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    animation: kenBurns 20s infinite alternate;
}

.slide.active {
    opacity: 1;
}

@keyframes kenBurns {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.6));
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: 300;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-cta {
    display: flex;
    gap: 20px;
}

/* --- Sections --- */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    position: relative;
}

.lead {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.grid {
    display: grid;
    gap: 60px;
    align-items: center;
}

.grid-2 { grid-template-columns: 1fr 1fr; }

/* Expertise Section */
.expert-image {
    position: relative;
}

.experience-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--primary);
    color: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.4);
}

.experience-card .years {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.experience-card .text {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.expert-list {
    margin-top: 30px;
}

.expert-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.expert-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--light);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-image {
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.service-card-content {
    padding: 40px;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 40px 80px rgba(197, 160, 40, 0.12);
    border-color: var(--primary);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
}

/* Sectors Section */
.villes-list {
    font-size: 1.5rem;
    margin: 40px 0;
    font-weight: 300;
}

.villes-list span {
    display: inline-block;
    padding: 0 10px;
    color: var(--primary);
    font-weight: 600;
}

.offer-banner {
    background: rgba(212, 175, 55, 0.1);
    padding: 20px;
    border-radius: 15px;
    display: inline-block;
}

/* --- Brand Ticker --- */
.brand-ticker {
    padding: 40px 0;
    background: var(--light);
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
}

.ticker-container {
    width: 100%;
}

.ticker-wrapper {
    display: flex;
    width: fit-content;
    animation: ticker 40s linear infinite;
    animation-direction: reverse;
}

.ticker-item {
    flex: 0 0 auto;
    padding: 0 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ticker-item img {
    height: 60px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(1) opacity(0.6);
    transition: var(--transition);
}

.ticker-item span {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 2px;
    opacity: 0.5;
    transition: var(--transition);
}

.ticker-item:hover img,
.ticker-item:hover span {
    opacity: 1;
    filter: grayscale(0);
    transform: scale(1.1);
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Contact Form */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    background: var(--white);
    border-radius: 30px;
    overflow: hidden;
}

.contact-info {
    background: var(--secondary);
    color: var(--white);
    padding: 60px;
}

.contact-info h2 { font-size: 2rem; margin-bottom: 20px; }

.contact-details {
    margin-top: 50px;
}

.detail-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.detail-item .icon {
    font-size: 1.5rem;
    background: rgba(255,255,255,0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.quote-form {
    padding: 60px;
    background: var(--light);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #DDD;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 50px 0;
    opacity: 0.8;
}

.small {
    font-size: 0.8rem;
    margin-top: 10px;
}

/* --- Animations --- */
.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.5s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

[data-animate] {
    opacity: 0;
    transition: 1s ease-out;
}

[data-animate="fade-up"] { transform: translateY(50px); }
[data-animate="slide-right"] { transform: translateX(-50px); }
[data-animate="slide-left"] { transform: translateX(50px); }

.animated {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

/* --- Interactive Components --- */
.help-popup {
    position: fixed;
    bottom: 120px;
    right: 30px;
    width: 300px;
    background: var(--white);
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.15);
    z-index: 999;
    transform: translateX(50px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-left: 5px solid var(--primary);
    contain: layout paint;
}

.help-popup.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

@media (max-width: 600px) {
    .help-popup {
        bottom: 100px;
        right: 20px;
        left: 20px;
        width: auto;
        transform: translateY(30px);
    }
    .help-popup.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }
}

.help-popup .close-popup {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.help-popup h4 { margin-bottom: 10px; color: var(--secondary); }
.help-popup p { font-size: 0.9rem; margin-bottom: 15px; color: var(--text-muted); }

.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chat-toggle {
    width: 65px;
    height: 65px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chat-toggle:hover {
    transform: scale(1.1) rotate(5deg);
}

.chat-window {
    position: absolute;
    bottom: 85px;
    right: 0;
    width: 350px;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
}

.chat-window[hidden] {
    display: none !important;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-header {
    background: var(--secondary);
    color: var(--white);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.chat-header button {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.chat-body {
    padding: 20px;
    height: 250px;
    overflow-y: auto;
    background: var(--light);
}

.message {
    background: var(--white);
    padding: 12px 18px;
    border-radius: 15px;
    font-size: 0.95rem;
    max-width: 85%;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.message.bot {
    border-bottom-left-radius: 2px;
}

.chat-footer {
    padding: 15px 20px;
    border-top: 1px solid #EEE;
    background: var(--white);
    text-align: center;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .grid-2, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .expert-image { margin-bottom: 60px; }
    
    .experience-card {
        bottom: -20px;
        right: 0;
        padding: 20px;
    }
    
    header {
        background: rgba(0,0,0,0.3);
        backdrop-filter: blur(10px);
    }
    
    header.scrolled {
        background: rgba(255, 255, 255, 0.95);
    }
    
    .nav-links { 
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-menu-toggle { 
        display: flex; 
        z-index: 1001;
    }
    
    header.scrolled .mobile-menu-toggle span { background-color: var(--dark); }
    .mobile-menu-toggle.active span { background-color: var(--white) !important; }
}

@media (max-width: 600px) {
    .hero-section {
        padding-top: 120px;
        height: auto;
        min-height: 100vh;
        text-align: center;
    }

    .hero-section h1 {
        font-size: 2.2rem;
        line-height: 1.2;
        margin-bottom: 15px;
        letter-spacing: -0.5px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }

    .hero-cta {
        width: 100%;
        gap: 15px;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-badges {
        justify-content: center;
    }

    .form-grid { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    .section { padding: 60px 0; }
    .contact-info, .quote-form { padding: 30px; }

    .brand-ticker { padding: 30px 0; }
    .ticker-item span { font-size: 1.2rem; }
    .ticker-item { padding: 0 25px; }

    .logo-text { font-size: 1.4rem; }
    header { min-height: 70px; padding: 10px 0; }
}