/* Highlight active nav button */
.w3-sidebar a.active, .mobile-nav .w3-bar-item.active {
    background: #222 !important;
    color: #00adb5 !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0,173,181,0.08);
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0d0d0d;
    color: #c0c0c0;
    line-height: 1.7;
}
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}
p {
    font-weight: 300;
}
/* Sidebar */
.w3-sidebar {
    width: 80px;
    background: #111;
    border-right: 1px solid #1e1e1e;
    z-index: 10;
}
.w3-sidebar a {
    transition: background 0.2s, color 0.2s;
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #777;
    padding: 16px 8px !important;
}
.w3-sidebar a:hover {
    background: #1a1a1a !important;
    color: #fff;
}
.w3-sidebar img.nav-icon {
    width: 22px;
    opacity: 0.6;
    transition: opacity 0.2s;
}
.w3-sidebar a:hover .nav-icon {
    opacity: 1;
}
#main {
    margin-left: 80px;
}
@media only screen and (max-width: 600px) {
    #main {
        margin-left: 0;
    }
}
/* Hero / Header */
.hero {
    position: relative;
    padding: 32px;
    text-align: center;
    overflow: hidden;
}
.hero-image-wrapper {
    position: relative;
    display: inline-block;
    max-width: 992px;
    width: 100%;
}
.hero-image-wrapper img {
    display: block;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.5);
    padding-top: 48px;
}
.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 16px rgba(0,0,0,0.6);
}
.hero .tagline {
    font-size: 1.15rem;
    color: #ddd;
    font-weight: 300;
    margin-bottom: 4px;
    text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}
.hero .byline {
    font-size: 0.9rem;
    color: #aaa;
    font-weight: 400;
    margin-bottom: 0;
    text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}
/* Section styling */
.section {
    max-width: 960px;
    margin: 0 auto;
    padding: 80px 32px;
}
.section h2 {
    font-size: 1.8rem;
    color: #e8e8e8;
    margin-bottom: 8px;
}
.section-divider {
    width: 48px;
    height: 2px;
    background: #333;
    border: none;
    margin: 16px 0 32px 0;
}
.section p, .section li {
    font-size: 0.95rem;
    color: #999;
}
.section strong {
    color: #ccc;
}
.section ul {
    padding-left: 0;
    list-style: none;
}
.section ul li {
    padding: 8px 0;
    border-bottom: 1px solid #1a1a1a;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 8px;
}
.section ul li:last-child {
    border-bottom: none;
}
.section ul li b {
    color: #ccc;
}
/* Software cards */
.software-card {
    background: #141414;
    border: 1px solid #1e1e1e;
    border-radius: 12px;
    padding: 32px;
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 32px;
    transition: border-color 0.3s;
}
.software-card:hover {
    border-color: #333;
}
.software-card .card-content {
    flex: 1;
}
.software-card .card-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.software-card .card-logo img {
    width: 100px;
    opacity: 0.85;
}
@media only screen and (max-width: 600px) {
    .software-card {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
    }
}
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    color: #fff;
    background: #1e1e1e;
    border: 1px solid #333;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    text-decoration: none;
}
.btn:hover {
    background: #2a2a2a;
    border-color: #555;
}
.btn svg {
    opacity: 0.5;
}
.btn img {
    width: 18px;
}
/* Download section */
.download-section {
    background: #141414;
    border: 1px solid #1e1e1e;
    border-radius: 12px;
    padding: 32px;
    margin-top: 40px;
}
.download-section h3 {
    color: #e8e8e8;
    margin-top: 0;
    margin-bottom: 8px;
}
/* Contact */
.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}
.contact-item img {
    width: 20px;
    flex-shrink: 0;
}
.contact-item a {
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.contact-item a:hover {
    color: #fff;
}
/* Footer */
footer {
    border-top: 1px solid #1a1a1a;
    margin-top: 40px;
    padding-top: 32px;
}
footer p {
     font-size: 0.75rem !important;
    color: #555;
}
footer a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s;
}
footer a:hover {
    color: #aaa;
}
/* Mobile navbar */
.mobile-nav {
    background: rgba(13,13,13,0.95) !important;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #1e1e1e;
}
.mobile-nav a {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: #888 !important;
    transition: color 0.2s;
}
.mobile-nav a:hover {
    color: #fff !important;
}
/* News badge */
.news-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 4px;
    background: #1a2a1a;
    color: #4a9;
    margin-bottom: 16px;
}
/* Sidebar logo */
.sidebar-logo {
    padding: 20px 12px 12px;
    border-bottom: 1px solid #1a1a1a;
    margin-bottom: 8px;
}