/* =================================================================
   Paoreel Studios - Global Navigation Styles
   ================================================================ */

/* 1. Header Base & Sticky Glassmorphism */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: transparent;
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: var(--glass-border);
}

/* 2. Container Layout */
.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 3. Brand Logo */
.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.nav-logo:hover {
    color: var(--accent);
}

/* 4. Desktop Navigation Menu */
.nav-menu {
    display: none;
}

@media (min-width: 1024px) {
    .nav-menu {
        display: block;
    }
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
}

/* 5. Mobile Hamburger Button */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

@media (min-width: 1024px) {
    .hamburger {
        display: none;
    }
}

.hamburger .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

/* Hamburger Animation (Transforms 2 bars into an X) */
.hamburger[aria-expanded="true"] .bar:first-child {
    transform: translateY(8px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .bar:last-child {
    transform: translateY(-8px) rotate(-45deg);
}

/* 6. Mobile Side Slide Drawer (80% Width) */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background-color: var(--bg-primary, #0b0b0b);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 999;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding-top: calc(var(--nav-height) + 2rem);
    padding-left: 2.5rem;
    opacity: 1;
    visibility: hidden;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease;
}

.mobile-drawer.open {
    visibility: visible;
    transform: translateX(0);
}

.drawer-content {
    text-align: left;
    width: 100%;
    padding: 0;
}

.drawer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.drawer-link {
    font-family: var(--font-heading, "Playfair Display", serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-muted, #92918b);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
}

.drawer-link:hover,
.drawer-link.active {
    color: var(--accent);
}

/* Prevent body scrolling when mobile drawer is open */
body.drawer-open {
    overflow: hidden;
}