@import url('https://fonts.googleapis.com/css2?family=Helvetica+Neue:wght@400;700;900&family=Futura:wght@400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@700;800;900&display=swap');

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

:root {
    --orange: #ff6b00;
    --black: #000000;
    --white: #ffffff;
    --gray: #1a1a1a;
}

body {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
}

/* NAV SUPREME STYLE - SIMPLE ET PROPRE */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--black);
    border-bottom: 3px solid var(--orange);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    max-width: 1800px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--white);
    background: var(--orange);
    padding: 0.5rem 2rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 3rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

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

/* HERO 3D VRAI */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3rem;
    position: relative;
    perspective: 1500px;
}

/* CUBE 3D CSS PUR */
.hero::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    top: 50%;
    left: 10%;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
    background: 
        linear-gradient(90deg, rgba(255, 107, 0, 0.1) 0%, transparent 100%),
        linear-gradient(180deg, rgba(255, 107, 0, 0.1) 0%, transparent 100%);
}

@keyframes rotateCube {
    0% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    position: relative;
    z-index: 2;
}

/* TITRE SUPREME STYLE */
.hero h1 {
    font-size: 12rem;
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    color: var(--white);
    text-transform: uppercase;
    position: relative;
    word-break: break-word;
    text-shadow: 
        3px 3px 0 var(--orange),
        6px 6px 0 rgba(255, 107, 0, 0.7),
        9px 9px 0 rgba(255, 107, 0, 0.4);
}

.hero p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* BOUTON SUPREME */
.cta-button {
    display: inline-block;
    padding: 1.5rem 4rem;
    background: var(--orange);
    color: var(--black);
    text-decoration: none;
    font-weight: 900;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transition: all 0.3s ease;
    border: 3px solid var(--orange);
}

.cta-button:hover {
    background: var(--black);
    color: var(--orange);
}

/* SECTIONS */
.section {
    padding: 8rem 3rem;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 4rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 200px;
    height: 5px;
    background: var(--orange);
}

/* GRID 3D */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    perspective: 1000px;
}

.service-card {
    background: var(--gray);
    padding: 4rem 3rem;
    border: 3px solid transparent;
    position: relative;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--orange);
    transform: translateZ(-20px);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    border-color: var(--orange);
    transform: translateZ(20px);
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-number {
    font-size: 6rem;
    font-weight: 900;
    color: rgba(255, 107, 0, 0.15);
    position: absolute;
    top: 20px;
    right: 30px;
    line-height: 1;
}

.service-card h3 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 1rem;
    font-weight: 500;
}

/* FORMULAIRE SUPREME */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--gray);
    padding: 4rem;
    border: 3px solid var(--orange);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: var(--black);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-button {
    width: 100%;
    padding: 1.5rem;
    background: var(--orange);
    border: 3px solid var(--orange);
    color: var(--black);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.submit-button:hover {
    background: var(--black);
    color: var(--orange);
}

/* INFO CARDS */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.info-card {
    background: var(--gray);
    padding: 3rem 2rem;
    border-left: 5px solid var(--orange);
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-10px);
}

.info-card h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--white);
    text-transform: uppercase;
}

.info-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-weight: 500;
}

/* FAQ */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--gray);
    border-left: 5px solid var(--orange);
    margin-bottom: 2rem;
    overflow: hidden;
}

.faq-question {
    padding: 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 107, 0, 0.1);
}

.faq-icon {
    font-size: 2rem;
    color: var(--orange);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 2rem 2rem 2rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
    font-weight: 500;
}

/* FOOTER SUPREME */
footer {
    background: var(--black);
    border-top: 3px solid var(--orange);
    padding: 4rem 3rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1800px;
    margin: 0 auto;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--orange);
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 7rem;
    }
    
    .services-grid,
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 4rem;
    }
}

@media (max-width: 968px) {
    .nav-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem 2rem;
    }
    
    .logo {
        font-size: 1.5rem;
        padding: 0.5rem 1.5rem;
    }
    
    .nav-links {
        gap: 2rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links a {
        font-size: 0.8rem;
    }
    
    .hero {
        padding: 0 2rem;
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: 5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 6rem 2rem;
    }
    
    .section-title {
        font-size: 3rem;
        margin-bottom: 3rem;
    }
    
    .section-title::after {
        width: 150px;
    }
    
    .services-grid,
    .info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-card,
    .info-card {
        padding: 3rem 2rem;
    }
    
    .service-number {
        font-size: 4rem;
        top: 15px;
        right: 20px;
    }
    
    .contact-container {
        padding: 3rem 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .logo {
        font-size: 1.2rem;
        padding: 0.4rem 1.2rem;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .nav-links a {
        font-size: 0.7rem;
    }
    
    .hero {
        padding: 0 1.5rem;
        min-height: 70vh;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .cta-button {
        padding: 1.2rem 2.5rem;
        font-size: 0.9rem;
        letter-spacing: 0.15em;
    }
    
    .section {
        padding: 4rem 1.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 2.5rem;
    }
    
    .section-title::after {
        width: 100px;
        height: 4px;
        bottom: -15px;
    }
    
    .service-card,
    .info-card {
        padding: 2.5rem 1.5rem;
    }
    
    .service-number {
        font-size: 3rem;
    }
    
    .service-card h3,
    .info-card h3 {
        font-size: 1.5rem;
    }
    
    .service-card p,
    .info-card p {
        font-size: 0.95rem;
    }
    
    .contact-container {
        padding: 2rem 1.5rem;
        border: 2px solid rgba(255, 107, 0, 0.3);
    }
    
    .form-group label {
        font-size: 0.85rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 1rem;
        font-size: 0.95rem;
    }
    
    .submit-button {
        padding: 1.2rem;
        font-size: 0.9rem;
        letter-spacing: 0.15em;
    }
    
    .faq-question {
        padding: 1.5rem;
        font-size: 1.1rem;
    }
    
    .faq-icon {
        font-size: 1.5rem;
    }
    
    .faq-answer-content {
        padding: 0 1.5rem 1.5rem 1.5rem;
        font-size: 0.95rem;
    }
    
    footer {
        padding: 3rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
        padding: 0.4rem 1rem;
        letter-spacing: 0.2em;
    }
    
    .nav-links a {
        font-size: 0.65rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1;
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 0.8rem;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card,
    .info-card {
        padding: 2rem 1.2rem;
    }
    
    .service-number {
        font-size: 2.5rem;
        top: 10px;
        right: 15px;
    }
    
    .service-card h3,
    .info-card h3 {
        font-size: 1.3rem;
    }
    
    .contact-container {
        padding: 1.5rem 1rem;
    }
    
    .faq-question {
        padding: 1.2rem;
        font-size: 1rem;
    }
}