/* 
   Penkey Délicaf & Gifts - Header Improvements
   This file contains improvements to the site header based on user feedback
*/

/* Header Styles */
:root { --header-offset: 150px; }
header {
    background-color: var(--penkey-cream);
    box-shadow: none;
    position: fixed; /* Changed from sticky to fixed */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    color: var(--penkey-navy);
    transform: translateY(0); /* For slide-up/down effect */
}

/* Only show header when scrolling up */
header.hidden {
    transform: translateY(-100%);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95); /* Semi-transparent white */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px); /* Adds a slight blur effect */
}

/* Adjust logo size for mobile */
@media (max-width: 768px) {
    /* Use full width for header container on mobile to maximize space */
    header .container {
        width: 100%;
        margin: 0; /* override centered container */
        padding-left: 0;
        padding-right: 8px;
    }

    .logo { min-width: 0; }
    .logo img {
        height: 120px; /* Reduce slightly to avoid overflow */
        max-width: 70vw; /* Allow shrink within grid */
        width: auto;
        object-fit: contain;
    }
    
    nav {
        padding: 0.5rem 0; /* Keep compact padding */
    }
}

/* Mobile Menu Improvements */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide by default on mobile */
    }
    
    .nav-links.show,
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.9); /* Semi-transparent background */
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 100;
        backdrop-filter: blur(5px); /* Adds a slight blur effect */
        border-top: 1px solid rgba(46, 61, 66, 0.1);
    }
    
    .nav-links.show li,
    .nav-links.active li {
        margin: 0.8rem 0;
        text-align: center;
    }
    
    /* Standard hamburger icon (CSS only) */
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        cursor: pointer;
        position: relative;
    }
    
    /* Hide the default <i> so we fully control visuals via CSS (keeps JS behavior intact) */
    .mobile-menu-btn i {
        display: none;
    }
    
    /* Three-bar hamburger using a single element + shadows */
    .mobile-menu-btn::before,
    .mobile-menu-btn::after {
        content: '';
        position: absolute;
        left: 8px;
        right: 8px;
        height: 2px;
        background: var(--penkey-navy);
        transition: transform 0.25s ease, opacity 0.2s ease, box-shadow 0.25s ease;
    }
    
    /* Closed state: show 3 bars via box-shadow */
    .mobile-menu-btn::before {
        top: 50%;
        transform: translateY(-50%);
        box-shadow: 0 -6px 0 0 var(--penkey-navy), 0 6px 0 0 var(--penkey-navy);
    }
    
    /* Prepare second stroke for the X (hidden when closed) */
    .mobile-menu-btn::after {
        top: 50%;
        transform: translateY(-50%) rotate(-45deg);
        opacity: 0;
    }
    
    /* Open state: morph into an X */
    .mobile-menu-btn.open::before {
        box-shadow: none;
        transform: translateY(-50%) rotate(45deg);
    }
    .mobile-menu-btn.open::after {
        opacity: 1;
    }

    /* Center the logo and place the burger UNDERNEATH it */
    nav {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .logo {
        order: 1;
    }
    .mobile-menu-btn {
        order: 2;
        align-self: center;
        z-index: 2; /* stay above logo/image */
        margin: 6px 0 0; /* small gap below logo */
    }
}

/* Add padding to body to account for fixed header */
body { padding-top: var(--header-offset); }

@media (max-width: 768px) {
    :root { --header-offset: 160px; }
}