:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #FFF8F3;
    --glass-surface: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(230, 92, 0, 0.15);
    --text-primary: #2C1A12;
    --text-secondary: #70584D;
    --accent-orange: #E65C00;
    --accent-light: #FF9E5E;
    --soft-orange: #E65C00;
    --editorial-amber: #FFF0E6;
    --muted-border: #FFDCC4;
    --divider: #FFEFE3;
    
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius-large: 30px;
    --radius-medium: 16px;
    --shadow-float: 0 20px 40px rgba(230, 92, 0, 0.05);
    --shadow-hover: 0 30px 60px rgba(230, 92, 0, 0.12);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
    --bg-primary: #170E08;
    --bg-secondary: #24140B;
    --glass-surface: rgba(23, 14, 8, 0.85);
    --glass-border: rgba(255, 140, 0, 0.15);
    --text-primary: #FFF1E8;
    --text-secondary: #C4A18D;
    --accent-orange: #FF8C00;
    --accent-light: #FFB370;
    --soft-orange: #FF8C00;
    --editorial-amber: #3D2211;
    --muted-border: #4A2916;
    --divider: #361E0F;
    --shadow-float: 0 20px 40px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.6);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-orange); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; font-size: 1.125rem; color: var(--text-secondary); }
.tag { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; color: var(--accent-orange); display: inline-block; margin-bottom: 1rem; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 1rem 2rem; border-radius: 50px; font-weight: 600;
    transition: var(--transition); position: relative; overflow: hidden;
}
.btn-primary { background: var(--text-primary); color: var(--bg-primary); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); background: var(--accent-orange); color: #FFF; }
[data-theme="dark"] .btn-primary { background: var(--accent-orange); color: #fff; }
[data-theme="dark"] .btn-primary:hover { background: #fff; color: var(--accent-orange); }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--muted-border); }
.btn-secondary:hover { background: var(--muted-border); border-color: var(--accent-orange); }

.arch-card {
    background: var(--bg-primary);
    border-radius: var(--radius-large);
    position: relative;
    padding: 2.5rem;
    box-shadow: var(--shadow-float);
    transition: var(--transition);
    z-index: 1;
    border: 1px solid var(--muted-border);
}
.arch-card::before {
    content: ''; position: absolute;
    top: 6px; left: 6px; right: 6px; bottom: 6px;
    border: 1px solid var(--divider);
    border-radius: 24px;
    pointer-events: none;
    z-index: -1;
    transition: var(--transition);
}
.arch-card::after {
    content: ''; position: absolute;
    top: 24px; left: 0; right: 0; height: 1px;
    background: var(--divider);
    z-index: -1;
}
.arch-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-orange);
}
.arch-card:hover::before { border-color: rgba(230, 92, 0, 0.2); }

.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }
section { padding: 8rem 0; position: relative; }

header {
    position: fixed; top: 1.5rem; left: 50%; transform: translateX(-50%);
    width: calc(100% - 4rem); max-width: 1200px;
    background: var(--glass-surface);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.75rem 1.5rem;
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    transition: var(--transition);
}
header.scrolled { top: 0.5rem; padding: 0.5rem 1.5rem; width: calc(100% - 2rem); }
.logo { font-weight: 700; font-size: 1.25rem; display: flex; align-items: center; gap: 0.5rem; color: var(--text-primary) !important;}
.logo::before { content: ''; display: block; width: 12px; height: 12px; background: var(--accent-orange); border-radius: 50%; }
nav { display: flex; gap: 2rem; align-items: center;}
nav a { font-size: 0.95rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition); }
nav a:hover { color: var(--accent-orange); }
.header-actions { display: flex; gap: 1rem; align-items: center; }
.mobile-toggle { display: none; font-size: 1.5rem; color: var(--text-primary); }

#hero { padding-top: 12rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-content h1 { position: relative; }
.hero-content h1 span { color: var(--accent-orange); }
.hero-actions { display: flex; gap: 1rem; margin-top: 2.5rem; }
.hero-visual {
    position: relative; height: 600px;
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    border: 1px solid var(--muted-border);
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
}
.blueprint-bg {
    position: absolute; inset: 0;
    background-image: linear-gradient(var(--muted-border) 1px, transparent 1px), linear-gradient(90deg, var(--muted-border) 1px, transparent 1px);
    background-size: 40px 40px; opacity: 0.4;
}
.mockup-float {
    position: relative; width: 80%; background: var(--bg-primary);
    border-radius: var(--radius-medium); padding: 1.5rem;
    box-shadow: var(--shadow-float); border: 1px solid var(--muted-border);
    animation: float 6s ease-in-out infinite;
}
.mockup-header { display: flex; gap: 0.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--divider); padding-bottom: 1rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted-border); }
.mockup-body { height: 150px; background: var(--bg-secondary); border-radius: 8px; }

@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }

#mission { padding: 6rem 0; }
.mission-canvas {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 6rem 4rem;
    text-align: center;
    max-width: 900px; margin: 0 auto;
    border: 1px solid var(--muted-border);
}
.mission-canvas h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 400; color: var(--text-primary); }

#responsible-use { background: var(--editorial-amber); color: #192536; padding: 4rem 0; }
[data-theme="dark"] #responsible-use { color: var(--text-primary); }
[data-theme="dark"] #responsible-use p { color: var(--text-secondary); }
#responsible-use p { color: #192536; font-size: 1.25rem; font-weight: 500; margin: 0; max-width: 800px; }
.strip-inner { display: flex; align-items: flex-start; gap: 2rem; }
.alert-icon { width: 40px; height: 40px; background: var(--bg-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; color: var(--accent-orange);}

#finder-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; margin-top: 3rem; }
.software-card { display: flex; flex-direction: column; height: 100%; }
.card-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; font-size: 0.85rem; color: var(--text-secondary); font-weight: 600; }
.os-tags span { display: inline-block; padding: 0.25rem 0.75rem; background: var(--bg-secondary); border-radius: 20px; margin-right: 0.5rem; font-size: 0.75rem; border: 1px solid var(--muted-border);}
.card-footer { margin-top: auto; padding-top: 1.5rem; border-top: 1px solid var(--divider); display: flex; justify-content: space-between; align-items: center; }

.featured-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.feature-large { grid-row: span 2; }
.review-img { width: 100%; height: 250px; object-fit: cover; border-radius: 12px; margin-bottom: 1.5rem; background: var(--bg-secondary); }

#compare { background: var(--bg-secondary); padding: 8rem 0; }
.compare-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 3rem; flex-wrap: wrap; gap: 1rem;}
.filter-group { display: flex; gap: 1rem; flex-wrap: wrap;}
.filter-btn { padding: 0.5rem 1.25rem; border-radius: 20px; border: 1px solid var(--muted-border); background: var(--bg-primary); transition: var(--transition); color: var(--text-primary); font-weight: 500;}
.filter-btn.active { background: var(--accent-orange); color: #fff; border-color: var(--accent-orange); }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0 1rem; }
.compare-table th { text-align: left; padding: 1.5rem; color: var(--text-secondary); font-weight: 500; }
.compare-table td { padding: 1.5rem; background: var(--bg-primary); border-top: 1px solid var(--muted-border); border-bottom: 1px solid var(--muted-border); }
.compare-table tr td:first-child { border-left: 1px solid var(--muted-border); border-radius: 16px 0 0 16px; }
.compare-table tr td:last-child { border-right: 1px solid var(--muted-border); border-radius: 0 16px 16px 0; }

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.article-card {
    background: var(--bg-primary); border: 1px solid var(--muted-border); border-radius: var(--radius-medium);
    padding: 2rem; position: relative; top: 0; transition: var(--transition); box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}
.article-card:nth-child(2) { top: 2rem; }
.article-card:nth-child(3) { top: 4rem; }
.article-card:hover { transform: translateY(-10px); border-color: var(--accent-orange); box-shadow: var(--shadow-hover);}

.faq-item { border-bottom: 1px solid var(--divider); padding: 1.5rem 0; }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; font-size: 1.25rem; font-weight: 600; color: var(--text-primary); text-align: left; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; color: var(--text-secondary); margin-top: 0; }
.faq-item.active .faq-answer { max-height: 500px; margin-top: 1rem; }
.faq-icon { transition: transform 0.3s; color: var(--accent-orange);}
.faq-item.active .faq-icon { transform: rotate(45deg); }

footer { background: var(--bg-secondary); padding: 6rem 0 2rem; border-radius: 40px 40px 0 0; position: relative; overflow: hidden; border-top: 1px solid var(--muted-border); margin-top: 4rem;}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 4rem; position: relative; z-index: 2; margin-bottom: 4rem; }
.footer-col h4 { margin-bottom: 1.5rem; color: var(--text-primary); }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col a { color: var(--text-secondary); transition: var(--transition); }
.footer-col a:hover { color: var(--accent-orange); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 2rem; border-top: 1px solid var(--divider); position: relative; z-index: 2; color: var(--text-secondary); font-size: 0.9rem; flex-wrap: wrap; gap: 1rem;}

.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

#cookie-banner { position: fixed; bottom: 2rem; left: 2rem; right: 2rem; background: var(--bg-primary); border: 1px solid var(--muted-border); border-radius: var(--radius-medium); padding: 2rem; box-shadow: var(--shadow-float); z-index: 2000; display: flex; justify-content: space-between; align-items: center; gap: 2rem; transform: translateY(150%); transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
#cookie-banner.show { transform: translateY(0); }
.cookie-actions { display: flex; gap: 1rem; }

#reading-progress { position: fixed; top: 0; left: 0; width: 0%; height: 3px; background: var(--accent-orange); z-index: 3000; transition: width 0.1s; }

@media (max-width: 1024px) {
    .hero-grid, .featured-layout, .article-grid, .footer-grid { grid-template-columns: 1fr; }
    .article-card:nth-child(2), .article-card:nth-child(3) { top: 0; }
    #hero { padding-top: 8rem; }
    .compare-table { display: block; overflow-x: auto; white-space: nowrap; }
}
@media (max-width: 768px) {
    header nav { 
        display: none; 
        flex-direction: column; 
        position: absolute; 
        top: 100%; 
        left: 0; 
        right: 0; 
        background: var(--bg-primary); 
        padding: 1.5rem; 
        border-radius: var(--radius-medium);
        box-shadow: var(--shadow-float);
        border: 1px solid var(--muted-border);
        gap: 1rem;
    }
    header nav.active { display: flex; }
    .mobile-toggle { display: block; }
    .hero-actions, .cookie-actions { flex-direction: column; }
    #cookie-banner { flex-direction: column; bottom: 0; left: 0; right: 0; border-radius: 20px 20px 0 0; }
    .mission-canvas { padding: 3rem 1.5rem; }
    .footer-grid { gap: 2rem; }
}