/* ===============================
    PRIMARY NAVIGATION STYLES
=============================== */

.site-header {
    width: 100%;
    background: var(--white);
    box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
    padding: 10px 0;
    position: sticky;
    z-index: 1000;
}

.nav-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    position: relative;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--black);
    font-weight: bold;
    z-index: 1001;
}

.logo-image {
    height: 50px;
    margin-right: 10px;
}

.site-logo:hover {
    color: var(--cardinal-red);
    text-decoration: none;
}

.site-logo:focus {
    outline: 0.25rem solid var(--focus-outline);
    outline-offset: 2px;
}

.site-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    font-weight: 700;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative; /* Why is this relative?  Absolute - Retative -  Fixed: to top of browser */
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--black);
    font-weight: 700;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    transition: color 0.3s, background-color 0.3s;
    font-size: 1.1rem;
}

.nav-link:hover, .dropdown-link:hover {
    text-decoration: none;
    color: var(--cardinal-red);
    background-color: var(--light-gray);
}

.nav-link:focus, .dropdown-link:focus {
    outline: 0.25rem solid var(--focus-outline);
    outline-offset: -2px;
}

.nav-link-linkedin:hover, .dropdown-link-linkedin:hover {
    color: var(--linkedin-blue);
}

.arrow-icon {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--medium-gray);
    border-bottom: 2px solid var(--medium-gray);
    margin-left: 8px;
    transform: rotate(45deg);
    transition: transform 0.3s, border-color 0.3s;
    flex-shrink: 0;
}

.nav-item:hover > .nav-link .arrow-icon {
    transform: rotate(-135deg);
    border-right: 2px solid var(--cardinal-red);
    border-bottom: 2px solid var(--cardinal-red);
}

.nav-item:hover > .nav-link-linkedin .arrow-icon {
    border-right: 2px solid var(--linkedin-blue);
    border-bottom: 2px solid var(--linkedin-blue);
}

/* ===============================
    DROPDOWN MENU STYLES
=============================== */

.dropdown-menu {
    list-style: none;
    position: absolute;
    top: 100%;
    left: 0;
    display: block;
    min-width: 280px;
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
    margin: 0;
    padding: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.nav-item:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-item {
    position: relative;
    margin: 0;
    padding: 0;
}

.dropdown-item:last-child .dropdown-link {
    border-bottom: none;
}

.dropdown-link {
    text-decoration: none;
    color: var(--black);
    padding: 0.75rem 1rem;
    display: block;
    transition: background-color 0.3s, color 0.3s;
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 1px solid var(--light-gray);
}

.dropdown-link:hover {
    background-color: var(--light-gray);
    color: var(--cardinal-red);
}

/* ===============================
    PHONE NUMBER STYLES
=============================== */

.mobile-phone {
    display: none;
}

/* ===============================
    MOBILE NAVIGATION STYLES
=============================== */

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    position: relative;
}

.hamburger-line {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--black);
    margin: 5px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 60px;
}

.nav-scroll-lock {
    overflow: hidden;
}

.nav-link.active {
    color: var(--cardinal-red);
    font-weight: 700;
}

.nav-link-linkedin.active {
    color: var(--linkedin-blue);
    font-weight: 700;
}

/* ===============================
    RESPONSIVE STYLES - 768px BREAKPOINT
=============================== */

@media screen and (max-width: 768px) {
    .nav-hamburger {
        display: block;
    }
    
    .site-nav {
        display: none;
        width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        padding-top: 180px;
        z-index: 1000;
    }
    
    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .site-nav.active {
        display: block;
        animation: navSlideDown 0.4s forwards;
    }
    
    .nav-list {
        flex-direction: column;
        background: var(--white);
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        border-radius: 0 0 8px 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        gap: 0;
        text-align: left;
    }
    
    .mobile-phone {
        display: block;
        text-align: center;
        padding: 20px;
        border-top: 2px solid var(--cardinal-red);
        margin-top: 10px;
    }
    
    .mobile-phone-link {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--cardinal-red);
        font-size: 1.2rem;
        font-weight: 700;
        padding: 12px 20px;
        border: 2px solid var(--cardinal-red);
        border-radius: 8px;
        background: var(--white);
        transition: all 0.3s ease;
    }
    
    .mobile-phone-link:hover {
        background: var(--cardinal-red);
        color: var(--white);
        text-decoration: none;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
    }
    
    .mobile-phone-link:focus {
        outline: 3px solid var(--focus-outline);
        outline-offset: 2px;
    }
    
    .phone-icon {
        width: 18px;
        height: 18px;
        fill: currentColor;
        flex-shrink: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--light-gray);
        box-sizing: border-box;
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        padding: 1rem 0;
        width: 100%;
        justify-content: space-between;
        font-size: 1.1rem;
        text-align: left;
    }
    
    .dropdown-menu {
        position: static;
        width: 100%;
        opacity: 0;
        visibility: hidden;
        display: block;
        background: var(--light-gray);
        border: none;
        border-radius: 0;
        padding: 0;
        box-shadow: none;
        margin: 0;
        box-sizing: border-box;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, opacity 0.3s ease;
    }
    
    .nav-item.active > .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 400px;
    }
    
    .dropdown-link {
        padding: 0.75rem 2rem;
        border-bottom: 1px solid var(--medium-gray);
        font-size: 1rem;
        font-weight: 500;
        text-align: left;
    }
    
    .dropdown-link:hover {
        background-color: var(--white);
    }
    
    .arrow-icon {
        display: inline-block;
        width: 8px;
        height: 8px;
        border-right: 2px solid var(--medium-gray);
        border-bottom: 2px solid var(--medium-gray);
        border-left: 0;
        border-top: 0;
        background: transparent;
        margin-left: 8px;
        margin-right: 0;
        transform: rotate(45deg);
        transition: transform 0.3s, border-color 0.3s;
        min-width: 8px;
        min-height: 8px;
        max-width: 8px;
        max-height: 8px;
        padding: 0;
        flex-shrink: 0;
    }
    
    .nav-item.active > .nav-link .arrow-icon {
        transform: rotate(-135deg);
        border-right: 2px solid var(--cardinal-red);
        border-bottom: 2px solid var(--cardinal-red);
    }
    
    .nav-item.active > .nav-link-linkedin .arrow-icon {
        border-right: 2px solid var(--linkedin-blue);
        border-bottom: 2px solid var(--linkedin-blue);
    }
    
    .nav-hamburger.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background-color: var(--cardinal-red);
    }
    
    .nav-hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav-hamburger.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
        background-color: var(--cardinal-red);
    }
    
    .nav-hamburger:hover .hamburger-line {
        background-color: var(--cardinal-red);
    }
    
    .nav-hamburger.active:hover .hamburger-line:nth-child(1),
    .nav-hamburger.active:hover .hamburger-line:nth-child(3) {
        background-color: var(--black);
    }
    
    .nav-link:focus,
    .dropdown-link:focus {
        outline-offset: 0;
        background-color: var(--light-gray);
    }
    
    @keyframes navSlideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ===============================
    TABLET STYLES - 769px to 1024px
=============================== */

@media screen and (min-width: 769px) and (max-width: 1024px) {
    .nav-list {
        gap: 15px;
    }
    
    .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 1rem;
    }
    
    .dropdown-menu {
        min-width: 240px;
    }
}

/* Demo content styling */
.demo-content {
    padding: 2rem;
    text-align: center;
    margin-top: 2rem;
}

.demo-content h1 {
    color: var(--cardinal-red);
    margin-bottom: 1rem;
}

.breakpoint-indicator {
     display: none;
    position: fixed;
    top: 10px;
    right: 10px;
    background: var(--cardinal-red);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 2000;
}