:root {
    /* Colors */
    --bg-dark: #0a0a0c;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);

    --primary: #00f2ff;
    /* Cyan Néon */
    --primary-dim: rgba(0, 242, 255, 0.1);
    --secondary: #7000ff;
    /* Violet Néon */
    --accent-green: #00ff9d;

    --text-main: #ffffff;
    --text-muted: #a0a0a0;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.logo {
    font-family: 'Orbitron', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

/* Background Effects */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
    opacity: 0.2;
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

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

.section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
}

.highlight {
    color: var(--primary);
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    border: 1px solid var(--primary);
    box-shadow: 0 0 15px var(--primary-dim);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary);
    box-shadow: 0 0 25px var(--primary-dim);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-main);
    margin-left: 15px;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.full-width {
    width: 100%;
    text-align: center;
}

/* Header */
header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(15px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 80px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 400px;
}

.tech-circle {
    width: 300px;
    height: 300px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: absolute;
    animation: pulse-ring 4s infinite linear;
}

.tech-card {
    padding: 15px 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    bottom: 20px;
    right: 20px;
    animation: float 3s ease-in-out infinite;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
}

/* Expertises */
.grid-expertises {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    padding: 30px;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.icon-box {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

/* Services */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.service-item {
    display: flex;
    gap: 40px;
    padding: 40px;
    border-bottom: 1px solid var(--border-color);
}

.service-item:last-child {
    border-bottom: none;
}

.service-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.1);
    font-weight: bold;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.service-content p {
    color: var(--text-muted);
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.contact-info {
    padding: 40px;
    background: rgba(255, 255, 255, 0.02);
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-form {
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: #fff;
    font-family: inherit;
}

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

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.1);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        margin-bottom: 50px;
    }

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

    .service-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}