/* ========================================
   BOUTONS PROFESSIONNELS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    line-height: 1.25rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    letter-spacing: 0.025em;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-xs);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
    transform: translateY(-0.5px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-100);
    padding: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-100);
    padding: 1rem 0;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* ========================================
   NAVIGATION - DESIGN SYSTEM COHÉRENT
   ======================================== */

/* Navigation container styles */
.nav a,
.nav-menu a,
.mobile-menu a {
    text-shadow: none;
    box-shadow: none;
}

/* Forms */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Logo Terminal */
.logo-terminal {
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    color: #000;
}

.logo-terminal .prompt {
    color: var(--primary);
    font-weight: bold;
    margin-right: 0.25rem;
}

.logo-terminal .cursor {
    color: var(--accent);
    font-weight: bold;
    margin-left: 0.25rem;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ========================================
   RESPONSIVE NAVIGATION
   ======================================== */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-left: auto;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-900);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--gray-100);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
}

.mobile-menu .nav-link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu .btn {
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
}

@media (min-width: 769px) {
    .mobile-menu {
        display: none !important;
    }
}