/* Header Variables */
:root {
    --primary: #ff4757;
    --primary-light: #ff6b81;
    --text-dark: #2d3436;
    --text-light: #f8f9fa;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

/* Header Styles */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    height: 80px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    padding: 0.5rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin-left: auto;
    padding-right: 2rem;
}

.nav-item {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-item i {
    font-size: 1.1rem;
    color: var(--primary);
}

.nav-item:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-item.active {
    color: var(--primary);
}

.contact-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Mobile Menu */
.hamburger {
    display: none;
    cursor: pointer;
    padding: 0.5rem;
    background: transparent;
    border: none;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Mobile Styles */
@media screen and (max-width: 1024px) {
    .nav-links {
        gap: 2rem;
    }
}

@media screen and (max-width: 768px) {
    header {
        height: 70px;
    }

    .logo img {
        height: 35px;
    }

    .nav-links {
        display: flex !important;
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.2rem;
        transition: all 0.3s ease;
        overflow-y: auto;
        z-index: 1000;
    }

    .nav-links.active {
        left: 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .hamburger {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 45px;
        height: 45px;
        padding: 8px;
        border-radius: 8px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }

    .hamburger span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--primary);
        margin: 4px 0;
        transition: all 0.3s ease;
        border-radius: 4px;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .nav-item {
        width: 100%;
        padding: 12px 16px;
        border-radius: 8px;
        background: white;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 16px;
        color: #172B4D;
        transition: all 0.3s ease;
    }

    .nav-item i {
        font-size: 18px;
        color: var(--primary);
    }

    .nav-item:hover {
        background: rgba(255, 71, 87, 0.1);
        transform: translateX(5px);
    }

    .contact-btn {
        width: 100%;
        margin-top: 1rem;
        justify-content: center;
        padding: 12px;
        font-size: 16px;
    }

    body.menu-open {
        overflow: hidden;
    }
}