/* ========================================
   GORYLEX - Site de Construction de Luxe
   CSS Principal
   ======================================== */

/* Variables CSS */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #c9a961;
    --gold: #d4af37;
    --gold-light: #f4e4ba;
    --dark: #0d0d0d;
    --light: #f5f5f5;
    --white: #ffffff;
    --gray: #888888;
    --font-main: 'Playfair Display', serif;
    --font-body: 'Raleway', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--white);
    color: var(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent);
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(13, 13, 13, 0.98);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.logo {
    font-family: var(--font-main);
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
}

.logo span {
    color: var(--gold);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--gold);
}

/* Menu Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 30px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)),
                url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero-content {
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-family: var(--font-main);
    font-size: 4rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 5px;
}

.hero h1 span {
    color: var(--gold);
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 8px;
    color: var(--gold);
    margin-bottom: 20px;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 15px 45px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
    margin-left: 20px;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--gold);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    animation: scrollDown 2s infinite;
}

/* ========================================
   SECTIONS GÉNÉRALES
   ======================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: var(--font-main);
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gold);
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 20px auto 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 50px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gold);
    transform: translateX(-100%);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: translateX(0);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--dark);
}

.service-card h3 {
    font-family: var(--font-main);
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--gold);
    z-index: -1;
}

.about-text h3 {
    font-family: var(--font-main);
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.stat-item h4 {
    font-family: var(--font-main);
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
}

/* ========================================
   RÉALISATIONS / PORTFOLIO
   ======================================== */
.realisations {
    background: var(--dark);
    color: var(--white);
}

.realisations .section-header h2 {
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    height: 350px;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h4 {
    font-family: var(--font-main);
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--gold);
}

.portfolio-overlay p {
    font-size: 0.9rem;
    color: var(--white);
    opacity: 0.8;
}

/* Large item */
.portfolio-item.large {
    grid-column: span 2;
    grid-row: span 2;
    height: auto;
}

/* ========================================
   TÉMOIGNAGES
   ======================================== */
.testimonials {
    background: linear-gradient(rgba(0,0,0,0.85), rgba(0,0,0,0.85)),
                url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?w=1920') center/cover fixed;
    color: var(--white);
    text-align: center;
}

.testimonials .section-header h2 {
    color: var(--white);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    padding: 40px;
}

.testimonial-item p {
    font-family: var(--font-main);
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--gold);
}

.testimonial-author h5 {
    font-size: 1.1rem;
    color: var(--gold);
}

.testimonial-author span {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    background: var(--light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    background: var(--dark);
    color: var(--white);
    padding: 50px;
}

.contact-info h3 {
    font-family: var(--font-main);
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--gold);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--gold);
    margin-top: 5px;
}

.contact-detail h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-detail p {
    opacity: 0.8;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-links a {
    width: 45px;
    height: 45px;
    border: 2px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gold);
    color: var(--dark);
}

.contact-form {
    background: var(--white);
    padding: 50px;
}

.contact-form h3 {
    font-family: var(--font-main);
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    height: 150px;
    resize: none;
}

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

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

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

.footer-brand .logo {
    font-size: 1.8rem;
    margin-bottom: 20px;
    display: block;
}

.footer-brand p {
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-links h4 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 25px;
    color: var(--gold);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--gold);
    padding-left: 10px;
}

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

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* ========================================
   PAGE HERO (Pages internes)
   ======================================== */
.page-hero {
    height: 50vh;
    min-height: 400px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)),
                url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.page-hero h1 {
    font-family: var(--font-main);
    font-size: 3.5rem;
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.page-hero .breadcrumb {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.page-hero .breadcrumb a {
    color: var(--gold);
}

/* ========================================
   PAGE ABOUT
   ======================================== */
.about-page-section {
    padding: 100px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.team-member {
    text-align: center;
    background: var(--white);
    padding: 40px 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--gold);
    margin-bottom: 20px;
}

.team-member h4 {
    font-family: var(--font-main);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.team-member span {
    color: var(--gold);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-member p {
    color: var(--gray);
    margin-top: 15px;
    line-height: 1.7;
}

.values-section {
    background: var(--light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 40px 20px;
}

.value-item i {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.value-item h4 {
    font-family: var(--font-main);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.value-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ========================================
   PAGE RÉALISATIONS
   ======================================== */
.realisations-page {
    background: var(--light);
    padding: 100px 0;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    border: 2px solid var(--primary-color);
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.realisations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.realisation-card {
    background: var(--white);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.realisation-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.realisation-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.realisation-card-content {
    padding: 25px;
}

.realisation-card h4 {
    font-family: var(--font-main);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.realisation-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.realisation-card .location {
    color: var(--gold);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   PAGE CONTACT
   ======================================== */
.contact-page {
    padding: 100px 0;
}

.map-container {
    height: 400px;
    margin-top: 60px;
    background: var(--light);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

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

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

    .portfolio-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
        margin: 15px 0;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 0.8rem;
        letter-spacing: 4px;
    }

    .btn {
        padding: 12px 30px;
        font-size: 0.85rem;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

    .about-image::before {
        display: none;
    }

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

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

    .portfolio-item.large {
        grid-column: span 1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .page-hero h1 {
        font-size: 2.5rem;
    }

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

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

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

    .stats {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0 20px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    section {
        padding: 60px 0;
    }

    .contact-info,
    .contact-form {
        padding: 30px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-gold {
    color: var(--gold);
}

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

.mb-0 { margin-bottom: 0; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

.pt-0 { padding-top: 0; }