/* ==========================================================================
   YAZ-DEV - Design System & Styles Globaux
   Author: Mr. Ghrissi / YAZ-DEV
   ========================================================================== */

:root {
    --bg-main: #0a0f1d;          /* Dark Tech-Noir Deep Navy */
    --bg-card: #12192c;          /* Carte légèrement plus claire */
    --bg-card-hover: #1a233d;
    --text-primary: #f1f5f9;     /* Blanc cassé très lisible */
    --text-secondary: #94a3b8;   /* Gris neutre soigné */
    --accent-red: #e63946;        /* Rouge dynamique (Logo YAZ-DEV) */
    --accent-blue: #00b4d8;       /* Cyan / Bleu moderne (Logo YAZ-DEV) */
    --border-color: rgba(255, 255, 255, 0.08);
    --font-sans: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* --- HUB LANDING PAGE (index.html racine) --- */
.hub-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(circle at center, #141e36 0%, #0a0f1d 100%);
    padding: 20px;
}

.hub-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.hub-logo {
    max-width: 140px;
    height: auto;
    margin-bottom: 20px;
}

.hub-card h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--accent-red), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.hub-subtitle {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 10px;
}

.hub-tagline {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 35px;
}

/* Boutons de langues */
.lang-selector {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 24px;
    background: var(--bg-main);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.lang-btn:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 180, 216, 0.2);
    color: var(--accent-blue);
}

.hub-footer {
    margin-top: 35px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Support RTL Arabe */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

.rtl-font {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* --- ADAPTATION MOBILE ET TABLETTE --- */
@media (max-width: 768px) {
    .hub-card {
        padding: 35px 20px;
    }
    .hub-card h1 {
        font-size: 1.8rem;
    }
}
/* --- STYLES INTERNES & SECTIONS --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

/* Navbar */
.navbar {
    background: rgba(18, 25, 44, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-red), #d62828);
    color: white !important;
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    box-shadow: 0 5px 20px rgba(230, 57, 70, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    margin-left: 10px;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    background: radial-gradient(circle at top right, #14203e, var(--bg-main));
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.badge {
    background: rgba(0, 180, 216, 0.1);
    color: var(--accent-blue);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: var(--font-code);
    border: 1px solid rgba(0, 180, 216, 0.3);
}

.hero-content h1 {
    font-size: 2.8rem;
    margin: 20px 0;
    line-height: 1.2;
}

.highlight {
    color: var(--accent-red);
}

.hero-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.img-hd {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

/* Grid & Cards */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.img-profile {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    border: 2px solid var(--accent-blue);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.tech-tags span {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-code);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.card-service {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 35px 25px;
    border-radius: 16px;
    transition: var(--transition);
}

.card-service:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    background: var(--bg-card-hover);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

/* Contact & Promo */
.promo-box {
    background: linear-gradient(135deg, #1d2d50, #131b2e);
    border: 1px solid var(--accent-blue);
    padding: 50px 30px;
    border-radius: 20px;
    text-align: center;
}

.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
    font-family: var(--font-sans);
}

.w-100 {
    width: 100%;
}

.footer {
    background: #060912;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

/* Responsive Tablette & Mobile */
@media (max-width: 868px) {
    .hero-container, .grid-2 {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .nav-links {
        display: none; /* On ajoutera le menu mobile plus tard */
    }
}

.img-profile {
    width: 100%;
    max-width: 380px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.25); /* Lueur cyan discrète */
    transition: var(--transition);
}

.img-profile:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(230, 57, 70, 0.3); /* Lueur rouge au survol */
}