/* ==========================================
   HEADER - Modern & Clean Design
   File: header.css
   Deskripsi: CSS khusus untuk header navigation
   ========================================== */

/* ===================================
   Header - Modern & Clean
   =================================== */

.header {
    background-color: #FFFFFF;
    padding: 16px 0;
    border-bottom: 1px solid #E5E7EB;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Styling */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: #0077BE;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

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

/* Navigation Styling */
.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

/* Navigation Links */
.nav-link {
    color: #374151;
    font-weight: 500;
    font-size: 15px;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
    padding: 8px 0;
}

/* Hover Effect - Underline Animation */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #0077BE;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #0077BE;
}

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

/* Active State */
.nav-link.active {
    color: #0077BE;
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
}

/* Get Started Button - CTA */
.btn-cta {
    background: linear-gradient(135deg, #0077BE 0%, #00A8A8 100%);
    color: white !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(0, 119, 190, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 119, 190, 0.4);
    color: white !important;
}

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

/* ===================================
   Hamburger Menu (Mobile Only)
   =================================== */

.hamburger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger-menu span {
    width: 25px;
    height: 3px;
    background-color: #374151;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hamburger Animation when Active */
.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Mobile Navigation Styles
   =================================== */

@media (max-width: 768px) {
    /* Show hamburger menu on mobile */
    .hamburger-menu {
        display: flex;
    }

    /* Hide desktop navigation by default */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: #FFFFFF;
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        gap: 24px;
        box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 100;
    }

    /* Show navigation when active */
    .nav.active {
        right: 0;
    }

    /* Mobile nav links */
    .nav-link {
        width: 100%;
        padding: 12px 0;
        font-size: 16px;
        border-bottom: 1px solid #E5E7EB;
    }

    .nav-link:last-of-type {
        border-bottom: none;
    }

    /* Mobile CTA button */
    .btn-cta {
        width: 100%;
        text-align: center;
        margin-top: 12px;
    }

    /* Overlay when menu is open */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 99;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}