:root {
    --logo-height: 65px;
    --logo-opacity: 1;
    --logo-src: url('virsburts-melns.png');
    --color-project-name: #0a0a0a;
    --color-project-subtitle: #0a0a0a;
    --color-hero-text: #404040;
    --color-highlight-text: #0a0a0a;
    --color-button-bg: #0a0a0a;
    --color-button-text: #ffffff;
    --color-button-hover: #1a1a1a;
    --color-bg: #ffffff;
    --color-bg-lines: #e5e5e5;
    --color-scroll-line-bg: #10b981;
    --color-scroll-line-animation: #FFFFFF;
    --color-loading-bg: #ffffff;
    --color-loading-line: #3a86ff;
    --color-loading-animation: #10b981;
    --color-modal-bg: #ffffff;
    --color-modal-overlay: rgba(0,0,0,0.7);
    --color-modal-text: #0a0a0a;
    --color-close-btn: #666;
    --color-card-bg: #f8f9fa;
    --color-card-border: #e9ecef;
    --color-link: #0d6efd;
    --color-link-hover: #0a58ca;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="dark"] {
    --logo-src: url('virsburts-balts.png');
    --color-project-name: #ffffff;
    --color-project-subtitle: #ffffff;
    --color-hero-text: #d4d4d8;
    --color-highlight-text: #ffffff;
    --color-bg: #0a0a0a;
    --color-bg-lines: #27272a;
    --color-button-bg: #ffffff;
    --color-button-text: #0a0a0a;
    --color-button-hover: #e5e5e5;
    --color-scroll-line-bg: #ffffff;
    --color-scroll-line-animation: #0a0a0a;
    --color-modal-bg: #1a1a1a;
    --color-modal-overlay: rgba(0,0,0,0.85);
    --color-modal-text: #ffffff;
    --color-close-btn: #aaa;
    --color-card-bg: #2d2d2d;
    --color-card-border: #444;
    --color-link: #6ea8fe;
    --color-link-hover: #9ec5fe;
}
body, html { margin:0; padding:0; min-height:100%; font-family:'Inter',sans-serif; background:var(--color-bg); color:var(--color-hero-text); }
h1 { font-family:'Manrope',sans-serif; letter-spacing:-0.03em; }
header { position:fixed; top:0; width:100%; display:flex; justify-content:center; padding:20px 0; z-index:100; }
.header-logo { height:var(--logo-height); opacity:var(--logo-opacity); cursor:pointer; transition:var(--transition); content:var(--logo-src); }
main { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:0 20px; position:relative; flex-direction:column; }
.hero { max-width:720px; text-align:center; position:relative; z-index:2; }
.project-name { font-size:23px; color:var(--color-project-name); margin-bottom:5px; font-weight:600; }
.project-subtitle { font-size:12px; letter-spacing:3px; text-transform:uppercase; color:var(--color-project-subtitle); margin-bottom:30px; }
.hero-text { max-width:560px; margin:0 auto 30px; font-size:18px; color:var(--color-hero-text); }
.highlight { color:var(--color-highlight-text); font-weight:500; }
.cta-button { display:inline-flex; align-items:center; gap:5px; padding:14px 32px; background:var(--color-button-bg); color:var(--color-button-text); border-radius:6px; text-decoration:none; font-weight:500; transition:var(--transition); position:relative; z-index:5; cursor:pointer; }
.cta-button:hover { background:var(--color-button-hover); transform:translateY(-2px); box-shadow:0 8px 20px rgba(0,0,0,0.12); }
.bg-lines { position:fixed; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:1; }
.bg-lines .line { position:absolute; background:var(--color-bg-lines); }
.line-vertical { width:1px; height:100%; }
.line-horizontal { height:1px; width:100%; }
.line-1 { left:20%; } .line-2 { left:40%; } .line-3 { left:60%; } .line-4 { left:80%; }
.line-5 { top:20%; } .line-6 { top:40%; } .line-7 { top:60%; } .line-8 { top:80%; }
.theme-toggle { position:fixed; bottom:40px; left:40px; width:52px; height:52px; border-radius:50%; border:none; background:var(--color-button-bg); color:var(--color-button-text); display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:20; transition:var(--transition); box-shadow:0 10px 30px rgba(0,0,0,.15); }
.theme-toggle:hover { transform:translateY(-3px); box-shadow:0 15px 40px rgba(0,0,0,.2); }
.info-toggle { position:fixed; bottom:40px; right:40px; width:52px; height:52px; border-radius:50%; border:none; background:var(--color-button-bg); color:var(--color-button-text); display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:20; transition:var(--transition); box-shadow:0 10px 30px rgba(0,0,0,.15); }
.info-toggle:hover { transform:translateY(-3px); box-shadow:0 15px 40px rgba(0,0,0,.2); }
.scroll-indicator { position:relative; margin-top:10px; margin-bottom:20px; display:flex; justify-content:center; pointer-events:none; }
.scroll-line { width:3px; height:42px; background:var(--color-scroll-line-bg); position:relative; overflow:hidden; border-radius:2px; }
.scroll-line::after { content:''; position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--color-scroll-line-animation); animation:scrollLine 2s infinite; }
@keyframes scrollLine { to{top:100%;} }

.projects-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-modal-overlay);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.projects-overlay.show { display: block; opacity: 1; }

.projects-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--color-modal-bg);
    padding: 40px;
    border-radius: 16px;
    z-index: 1000;
    max-width: 900px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 25px 80px rgba(0,0,0,0.3);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.projects-modal.show { display: block; opacity: 1; transform: translate(-50%, -50%) scale(1); }

.modal-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:30px; padding-bottom:20px; border-bottom:1px solid var(--color-bg-lines); }
.modal-header h2 { margin:0; font-family:'Manrope',sans-serif; font-size:28px; color:var(--color-modal-text); font-weight:600; }
.close-modal { background:none; border:none; color:var(--color-close-btn); font-size:24px; cursor:pointer; padding:8px; border-radius:50%; width:44px; height:44px; display:flex; align-items:center; justify-content:center; transition:var(--transition); }
.close-modal:hover { background: var(--color-bg-lines); color: var(--color-modal-text); }

.projects-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap:25px; }
.project-card { background: var(--color-card-bg); padding:25px; border-radius:12px; border:1px solid var(--color-card-border); display:flex; flex-direction:column; align-items:center; opacity:0; transform:translateY(20px); transition:opacity 0.5s ease, transform 0.5s ease, box-shadow 0.3s ease; box-shadow:0 5px 15px rgba(0,0,0,0.05); text-align:center; }
.project-card.show { opacity:1; transform:translateY(0); }
.project-card:hover { transform:translateY(-5px); box-shadow:0 15px 35px rgba(0,0,0,0.1); }
[data-theme="dark"] .project-card:hover { box-shadow:0 15px 35px rgba(0,0,0,0.3); }

.project-card img { width:120px; height:120px; margin-bottom:20px; object-fit:contain; border-radius:12px; }
.project-card h3 { margin:0 0 15px; font-size:20px; color:var(--color-modal-text); font-family:'Manrope',sans-serif; font-weight:600; line-height:1.3; }
.project-description { font-size:14px; color:var(--color-hero-text); line-height:1.5; margin-bottom:20px; flex-grow:1; max-width:250px; }
.project-link { display:inline-flex; align-items:center; justify-content:center; gap:8px; width:100%; padding:12px 20px; background:var(--color-button-bg); color:var(--color-button-text); border-radius:8px; text-decoration:none; font-size:14px; font-weight:500; transition:var(--transition); border:none; cursor:pointer; margin-top:auto; }
.project-link:hover { background:var(--color-button-hover); transform:translateY(-2px); box-shadow:0 5px 15px rgba(0,0,0,0.1); }
.project-link i { font-size:14px; }

.loading { position:fixed; top:0; left:0; width:100%; height:100%; background:var(--color-loading-bg); display:flex; align-items:center; justify-content:center; z-index:9999; transition:opacity 0.4s ease; }
.loading-line { width:200px; height:3px; background:var(--color-loading-line); position:relative; overflow:hidden; border-radius:2px; }
.loading-line::after { content:''; position:absolute; top:0; left:-100%; width:100%; height:100%; background:var(--color-loading-animation); animation:loading 1.5s infinite; }
@keyframes loading { to { left:100%; } }

@media(max-width:768px){
    header{padding:15px 0;} 
    .header-logo{height:49px;} 
    .hero-text{font-size:16px;} 
    .project-name{font-size:32px;}
    .projects-modal { padding:25px; width:95%; }
    .modal-header h2 { font-size:24px; }
    .projects-grid { grid-template-columns:1fr; gap:20px; }
    .project-card { padding:20px; }
    .theme-toggle, .info-toggle { bottom:20px; width:44px; height:44px; }
}
.projects-modal::-webkit-scrollbar { width:8px; }
.projects-modal::-webkit-scrollbar-track { background:var(--color-bg-lines); border-radius:4px; }
.projects-modal::-webkit-scrollbar-thumb { background:var(--color-button-bg); border-radius:4px; }
.projects-modal::-webkit-scrollbar-thumb:hover { background:var(--color-button-hover); }