/* GLOBAL STYLES */
body {
    font-family: var(--font-primary);
    background-color: var(--fluent-bg);
    color: var(--fluent-text);
    overflow-x: hidden;
    transition: background-color var(--fluent-transition), color var(--fluent-transition);
}

/* CUSTOM SCROLLBAR */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--fluent-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--fluent-primary-light);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--fluent-primary);
}

/* NAVBAR GLASSMORPHISM */
.navbar-fluent {
    background: var(--fluent-bg-alt) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--fluent-border);
    transition: background var(--fluent-transition), border var(--fluent-transition);
    padding: 0.8rem 0;
}

.navbar-fluent .navbar-brand {
    font-weight: 700;
    color: var(--fluent-text) !important;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-fluent .navbar-brand img {
    height: 32px;
    transition: transform var(--fluent-transition);
}

.navbar-fluent .navbar-brand:hover img {
    transform: rotate(15deg) scale(1.1);
}

.navbar-fluent .nav-link {
    color: var(--fluent-text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--fluent-radius-small);
    transition: all var(--fluent-transition);
    opacity: 0.8;
}

.navbar-fluent .nav-link:hover {
    opacity: 1;
    background: rgba(var(--fluent-primary-rgb), 0.08);
    transform: translateY(-1px);
}

.navbar-fluent .nav-link.active {
    opacity: 1;
    color: var(--fluent-primary) !important;
    background: rgba(var(--fluent-primary-rgb), 0.12);
    font-weight: 600;
}

/* HERO SECTION WITH DYNAMIC GRADIENTS & SHAPES */
.hero-section {
    position: relative;
    padding: 100px 0 120px 0;
    background: radial-gradient(circle at 80% 20%, rgba(var(--fluent-accent-rgb), 0.15), transparent 45%),
                radial-gradient(circle at 10% 80%, rgba(var(--fluent-primary-rgb), 0.12), transparent 45%);
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--fluent-primary);
    filter: blur(120px);
    opacity: 0.15;
    top: -50px;
    left: -50px;
    pointer-events: none;
    animation: pulseGlow 10s infinite alternate;
}

.hero-glow-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--fluent-accent);
    filter: blur(150px);
    opacity: 0.15;
    bottom: -100px;
    right: -100px;
    pointer-events: none;
    animation: pulseGlow 8s infinite alternate-reverse;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.1; }
    100% { transform: scale(1.3) translate(50px, 30px); opacity: 0.2; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, var(--fluent-primary), var(--fluent-primary-light), var(--fluent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

[data-bs-theme="dark"] .hero-title {
    background: linear-gradient(135deg, #ffffff, var(--fluent-primary-light), var(--fluent-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.25rem;
    color: var(--fluent-text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    font-weight: 400;
    line-height: 1.6;
}

/* BUTTONS */
.btn-fluent-primary {
    background: linear-gradient(135deg, var(--fluent-primary), var(--fluent-primary-light)) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--fluent-radius-small);
    font-weight: 600;
    padding: 0.8rem 2rem;
    box-shadow: 0 4px 15px rgba(var(--fluent-primary-rgb), 0.3);
    transition: all var(--fluent-transition);
}

.btn-fluent-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--fluent-primary-rgb), 0.5), var(--fluent-glow);
}

.btn-fluent-outline {
    background: transparent !important;
    color: var(--fluent-text) !important;
    border: 2px solid var(--fluent-border) !important;
    border-radius: var(--fluent-radius-small);
    font-weight: 600;
    padding: 0.8rem 2rem;
    transition: all var(--fluent-transition);
}

.btn-fluent-outline:hover {
    background: rgba(var(--fluent-primary-rgb), 0.05) !important;
    border-color: var(--fluent-primary) !important;
    transform: translateY(-3px);
}

.btn-theme-toggle {
    background: transparent !important;
    border: 1px solid var(--fluent-border) !important;
    color: var(--fluent-text) !important;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--fluent-transition);
}

.btn-theme-toggle:hover {
    background: rgba(var(--fluent-primary-rgb), 0.1) !important;
    border-color: var(--fluent-primary) !important;
    transform: rotate(30deg) scale(1.05);
}

/* CARDS & GLASSMORPHISM */
.fluent-card {
    background: var(--fluent-bg-alt);
    border: 1px solid var(--fluent-border);
    border-radius: var(--fluent-radius);
    padding: 1.8rem;
    box-shadow: var(--fluent-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform var(--fluent-transition), box-shadow var(--fluent-transition), border-color var(--fluent-transition);
    position: relative;
    overflow: hidden;
}

.fluent-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(31, 38, 135, 0.15), var(--fluent-glow);
    border-color: rgba(var(--fluent-primary-rgb), 0.3);
}

.fluent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--fluent-primary), var(--fluent-accent));
    opacity: 0;
    transition: opacity var(--fluent-transition);
}

.fluent-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    color: var(--fluent-primary);
    display: inline-block;
    transition: transform 0.5s ease;
}

.fluent-card:hover .card-icon {
    transform: scale(1.15) rotate(5deg);
}

.card-title {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    color: var(--fluent-text);
}

.card-text {
    color: var(--fluent-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* SCREENSHOTS GALLERY */
.screenshot-container {
    position: relative;
    border-radius: var(--fluent-radius);
    overflow: hidden;
    box-shadow: var(--fluent-shadow);
    border: 4px solid var(--fluent-bg-alt);
    transition: all var(--fluent-transition);
    max-width: 100%;
}

.screenshot-container img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.screenshot-container:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), var(--fluent-glow);
}

.screenshot-container:hover img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.85), transparent);
    padding: 1.5rem;
    color: white;
    opacity: 0;
    transition: opacity var(--fluent-transition);
}

.screenshot-container:hover .screenshot-overlay {
    opacity: 1;
}

/* TIMELINE FOR CHANGELOG */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-left: 1rem;
    border-left: 2px solid var(--fluent-border);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -2px;
    width: 2px;
    background: linear-gradient(to bottom, var(--fluent-primary), var(--fluent-accent), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: calc(-2rem - 9px);
    top: 5px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--fluent-bg-pure);
    border: 4px solid var(--fluent-primary);
    box-shadow: 0 0 10px rgba(var(--fluent-primary-rgb), 0.4);
    z-index: 2;
    transition: all var(--fluent-transition);
}

.timeline-item:hover .timeline-dot {
    background: var(--fluent-accent);
    border-color: var(--fluent-primary-light);
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(var(--fluent-accent-rgb), 0.8);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 1.2rem;
}

.version-badge {
    background: linear-gradient(135deg, var(--fluent-primary), var(--fluent-primary-light));
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(var(--fluent-primary-rgb), 0.25);
}

.date-text {
    color: var(--fluent-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.change-category {
    margin-top: 1rem;
}

.category-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-title i {
    font-size: 1rem;
}

.category-title.added { color: var(--color-ping); }
.category-title.fixed { color: #e74c3c; }
.category-title.changed { color: var(--color-dhcp); }
.category-title.removed { color: #7f8c8d; }

.change-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.change-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--fluent-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.change-list li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    color: var(--fluent-primary-light);
    font-size: 1.2rem;
    line-height: 1;
}

/* DOCUMENTATION LAYOUT */
.doc-sidebar {
    position: sticky;
    top: 100px;
    z-index: 10;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.doc-sidebar::-webkit-scrollbar {
    width: 4px;
}

.doc-menu-item {
    display: block;
    padding: 0.6rem 1.2rem;
    color: var(--fluent-text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    font-weight: 500;
    transition: all var(--fluent-transition);
}

.doc-menu-item:hover {
    color: var(--fluent-primary);
    background: rgba(var(--fluent-primary-rgb), 0.04);
    border-left-color: var(--fluent-primary-light);
}

.doc-menu-item.active {
    color: var(--fluent-primary);
    font-weight: 600;
    border-left-color: var(--fluent-primary);
    background: rgba(var(--fluent-primary-rgb), 0.08);
}

.doc-section {
    padding-top: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--fluent-border);
    padding-bottom: 40px;
}

.doc-section:last-child {
    border-bottom: none;
}

.doc-section h2 {
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.doc-section h2 i {
    color: var(--fluent-primary);
}

blockquote {
    border-left: 4px solid var(--fluent-primary-light);
    padding: 0.8rem 1.2rem;
    background: rgba(var(--fluent-primary-rgb), 0.04);
    border-radius: 0 var(--fluent-radius-small) var(--fluent-radius-small) 0;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--fluent-text-muted);
}

/* FOOTER */
.footer-fluent {
    background: var(--fluent-bg-pure) !important;
    border-top: 1px solid var(--fluent-border);
    color: var(--fluent-text-muted);
    padding: 3rem 0;
    font-size: 0.95rem;
    transition: background var(--fluent-transition), border var(--fluent-transition);
}

.footer-fluent a {
    color: var(--fluent-text-muted);
    text-decoration: none;
    transition: color var(--fluent-transition), opacity var(--fluent-transition);
}

.footer-fluent a:hover {
    color: var(--fluent-primary);
}

/* SCROLL REVEAL ANIMATIONS */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }
.delay-5 { transition-delay: 0.75s; }

/* BADGES & CHIPS */
.fluent-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.fluent-badge-primary {
    background: rgba(var(--fluent-primary-rgb), 0.1);
    color: var(--fluent-primary);
    border-color: rgba(var(--fluent-primary-rgb), 0.2);
}

.fluent-badge-accent {
    background: rgba(var(--fluent-accent-rgb), 0.1);
    color: var(--fluent-accent);
    border-color: rgba(var(--fluent-accent-rgb), 0.2);
}

.fluent-badge-success {
    background: rgba(46, 204, 113, 0.1);
    color: var(--color-ping);
    border-color: rgba(46, 204, 113, 0.2);
}

.fluent-badge-warning {
    background: rgba(230, 126, 34, 0.1);
    color: var(--color-wol);
    border-color: rgba(230, 126, 34, 0.2);
}