* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: #bdbcbf;
}
.header {
    height: 80px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    padding: 0 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    position: fixed;
    width: calc(100% - 40px);
    top: 20px;
    left: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.header.scrolled {
    height: 70px;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 45px;
    width: auto;
    max-width: 100%;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.brand-name {
    color: #ffffff;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
}

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

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: #ffffff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.cta-button {
    background: #000000;
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 2px solid #ffffff;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    background: #1a1a1a;
}

.cta-button::after {
    display: none;
}

.nav-links a i {
    margin-right: 5px;
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
    .header {
        height: 70px;
        padding: 0 30px;
        width: calc(100% - 30px);
        top: 15px;
        left: 15px;
    }
    .logo {
        height: 40px;
    }
    .brand-name {
        font-size: 22px;
    }
    .nav-links {
        gap: 20px;
    }
    .nav-links a {
        font-size: 15px;
        padding: 6px 14px;
    }
    .cta-button {
        padding: 8px 20px;
    }
}

@media screen and (max-width: 768px) {
    .header {
        height: 60px;
        padding: 0 20px;
        width: calc(100% - 20px);
        top: 10px;
        left: 10px;
    }
    .logo {
        height: 35px;
    }
    .brand-name {
        font-size: 20px;
    }
    .nav-links {
        gap: 15px;
    }
    .nav-links a {
        font-size: 10px;
        padding: 5px 12px;
    }
    .cta-button {
        padding: 7px 18px;
        font-size: 14px;
    }
}

@media screen and (max-width: 480px) {
    .header {
        height: 45px;
        padding: 0 10px;
        width: calc(100% - 10px);
        top: 5px;
        left: 5px;
    }
    .logo {
        height: 25px;
    }
    .brand-name {
        font-size: 14px;
    }
    .nav-links {
        gap: 4px;
    }
    .nav-links a {
        font-size: 7px;
        padding: 2px 6px;
    }
    .nav-links a i {
        font-size: 5px;
        margin-right: 2px;
    }
    .cta-button {
        padding: 4px 10px;
        font-size: 10px;
        border-width: 1px;
    }
}