/* ============================================
   frontend/css/style.css
   Chriss1056 — Design System & Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- Custom Properties ---------- */
:root {
    --bg-deepest: #06060c;
    --bg-dark: #0a0a14;
    --bg-surface: #0f0f1a;
    --bg-card: #121220;
    --bg-card-hover: #18182e;
    --bg-elevated: #1c1c34;
    --bg-glass: rgba(15, 15, 26, 0.75);
    --bg-glass-light: rgba(255,255,255,0.03);

    --text-primary: #ededf0;
    --text-secondary: #9898b0;
    --text-muted: #5a5a72;
    --text-link: #a78bfa;

    --accent: #7c5cfc;
    --accent-rgb: 124, 92, 252;
    --accent-light: #a78bfa;
    --green: #22c55e;
    --green-rgb: 34, 197, 94;
    --blue: #3b82f6;
    --red: #ef4444;
    --orange: #f59e0b;
    --teal: #14b8a6;
    --pink: #ec4899;

    --gradient-main: linear-gradient(135deg, #7c5cfc 0%, #22c55e 100%);
    --gradient-purple: linear-gradient(135deg, #7c5cfc 0%, #a78bfa 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-hero: linear-gradient(160deg, rgba(124,92,252,.15) 0%, transparent 40%, rgba(34,197,94,.1) 100%);

    --border: rgba(255,255,255,.06);
    --border-light: rgba(255,255,255,.1);
    --border-accent: rgba(124,92,252,.3);

    --shadow-sm: 0 2px 8px rgba(0,0,0,.25);
    --shadow-md: 0 8px 24px rgba(0,0,0,.35);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.45);
    --shadow-glow: 0 0 40px rgba(124,92,252,.12);
    --shadow-glow-green: 0 0 40px rgba(34,197,94,.10);

    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --nav-h: 72px;
    --container: 1200px;
    --container-sm: 900px;
    --transition: 250ms cubic-bezier(.4,0,.2,1);
    --transition-slow: 500ms cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-padding-top:calc(var(--nav-h) + 20px)}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg-deepest);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;border:none;outline:none;background:none;color:inherit}
button{cursor:pointer}
::selection{background:rgba(124,92,252,.3);color:#fff}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-dark)}
::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container--sm{max-width:var(--container-sm)}
.section{padding:100px 0}
.section--sm{padding:60px 0}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex;align-items:center;gap:12px}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.text-center{text-align:center}

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900}
h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800}
h3{font-size:clamp(1.2rem,2.5vw,1.5rem)}
h4{font-size:1.1rem}
p{color:var(--text-secondary)}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-light);margin-bottom:12px;padding:6px 14px;background:rgba(var(--accent-rgb),.08);border:1px solid rgba(var(--accent-rgb),.15);border-radius:var(--radius-full)}
.section-label .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}
.section-title{margin-bottom:16px}
.section-subtitle{font-size:1.1rem;color:var(--text-muted);max-width:600px}
.text-gradient{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.mono{font-family:'JetBrains Mono',monospace}

/* ---------- Navigation ---------- */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:1000;transition:background var(--transition),box-shadow var(--transition)}
.nav.scrolled{background:var(--bg-glass);backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.nav-logo .logo-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--gradient-main);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;color:#fff}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 16px;font-size:.9rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition);position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary);background:var(--bg-glass-light)}
.nav-links a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--accent);border-radius:1px}
.nav-cta{padding:8px 20px;background:var(--accent);color:#fff;font-weight:600;font-size:.85rem;border-radius:var(--radius-full);transition:all var(--transition);box-shadow:0 0 20px rgba(var(--accent-rgb),.25)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(var(--accent-rgb),.4)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--text-primary);border-radius:1px;transition:all var(--transition)}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding-top:var(--nav-h)}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-bg::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(var(--accent-rgb),.12) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(var(--green-rgb),.08) 0%,transparent 40%),radial-gradient(ellipse at 50% 80%,rgba(var(--accent-rgb),.06) 0%,transparent 50%);animation:hero-shift 20s ease-in-out infinite alternate}
@keyframes hero-shift{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-5%,3%) scale(1.05)}}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%)}
.hero-particles{position:absolute;inset:0}
.particle{position:absolute;width:3px;height:3px;background:rgba(var(--accent-rgb),.4);border-radius:50%;animation:float-up linear infinite}
@keyframes float-up{0%{transform:translateY(100vh) scale(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(-10vh) scale(1);opacity:0}}
.hero-content{position:relative;z-index:2;text-align:center;width:100%;padding:40px 24px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.2);border-radius:var(--radius-full);font-size:.8rem;font-weight:600;color:var(--accent-light);margin-bottom:28px}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse-badge 2s infinite}
@keyframes pulse-badge{0%,100%{box-shadow:0 0 5px var(--green)}50%{box-shadow:0 0 20px var(--green)}}
.hero h1{margin-bottom:20px}
.hero h1 span{display:block}
.hero-desc{font-size:1.2rem;color:var(--text-secondary);max-width:600px;margin:0 auto 40px}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:60px}
.hero-stats{display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap}
.stat{text-align:center}
.stat-value{font-size:2rem;font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:4px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;font-weight:600;font-size:.9rem;border-radius:var(--radius-full);transition:all var(--transition);position:relative;overflow:hidden}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 15px rgba(var(--accent-rgb),.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(var(--accent-rgb),.4)}
.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-light)}
.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-accent);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--border-light);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-light);background:rgba(var(--accent-rgb),.05)}
.btn-ghost{color:var(--text-secondary);padding:8px 16px}
.btn-ghost:hover{color:var(--accent-light);background:rgba(var(--accent-rgb),.08)}
.btn-sm{padding:8px 18px;font-size:.8rem}
.btn-lg{padding:16px 36px;font-size:1rem}
.btn-icon{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}
.btn svg,.btn i{width:16px;height:16px}

/* ---------- Cards: Project ---------- */
.project-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-slow);cursor:pointer;display:flex;flex-direction:column}
.project-card:hover{transform:translateY(-4px);border-color:rgba(var(--accent-rgb),.25);box-shadow:var(--shadow-glow),var(--shadow-md)}
.project-card-accent{height:3px;background:var(--gradient-main)}
.project-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.project-card-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:16px}
.project-icon{width:52px;height:52px;border-radius:var(--radius-md);background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;border:1px solid var(--border)}
.project-icon img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.project-meta{flex:1;min-width:0}
.project-name{font-size:1.1rem;font-weight:700;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.project-artifact{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--text-muted);padding:2px 8px;background:rgba(255,255,255,.04);border-radius:var(--radius-xs);display:inline-block}
.project-desc{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:16px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.project-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.tag{padding:4px 10px;font-size:.7rem;font-weight:600;border-radius:var(--radius-full);background:rgba(var(--accent-rgb),.1);color:var(--accent-light);border:1px solid rgba(var(--accent-rgb),.15)}
.tag--green{background:rgba(var(--green-rgb),.1);color:var(--green);border-color:rgba(var(--green-rgb),.15)}
.tag--version{background:rgba(255,255,255,.05);color:var(--text-muted);border-color:transparent}
.project-footer{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--border)}
.project-downloads{font-size:.8rem;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.project-version{font-size:.75rem;font-weight:600;color:var(--green);background:rgba(var(--green-rgb),.08);padding:3px 10px;border-radius:var(--radius-full)}
.project-card.featured{border-color:rgba(var(--accent-rgb),.2);box-shadow:var(--shadow-glow)}
.project-card.featured .project-card-accent{height:4px;background:var(--gradient-main)}

/* ---------- Cards: News ---------- */
.news-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-slow);cursor:pointer}
.news-card:hover{transform:translateY(-4px);border-color:rgba(var(--accent-rgb),.2);box-shadow:var(--shadow-md)}
.news-card-image{height:200px;background:var(--bg-elevated);position:relative;overflow:hidden}
.news-card-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
.news-card:hover .news-card-image img{transform:scale(1.05)}
.news-card-image .category-badge{position:absolute;top:12px;left:12px;padding:4px 12px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;border-radius:var(--radius-full);background:var(--accent);color:#fff}
.news-card-body{padding:20px}
.news-card-date{font-size:.75rem;color:var(--text-muted);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.news-card-title{font-size:1.1rem;font-weight:700;margin-bottom:8px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-excerpt{font-size:.85rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- Cards: Announcement ---------- */
.announcement-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition);position:relative;overflow:hidden}
.announcement-card::before{content:'';position:absolute;top:0;left:0;bottom:0;width:3px;border-radius:0 3px 3px 0}
.announcement-card.priority-low::before{background:var(--blue)}
.announcement-card.priority-medium::before{background:var(--orange)}
.announcement-card.priority-high::before{background:var(--red)}
.announcement-card.priority-critical::before{background:var(--red);box-shadow:0 0 15px rgba(239,68,68,.4)}
.announcement-card.pinned{border-color:rgba(var(--accent-rgb),.2);background:linear-gradient(135deg,rgba(var(--accent-rgb),.03),transparent)}
.announcement-header{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.announcement-title{font-size:1.05rem;font-weight:700;flex:1}
.priority-badge{padding:3px 10px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;border-radius:var(--radius-full)}
.priority-badge.low{background:rgba(59,130,246,.15);color:var(--blue)}
.priority-badge.medium{background:rgba(245,158,11,.15);color:var(--orange)}
.priority-badge.high{background:rgba(239,68,68,.15);color:var(--red)}
.priority-badge.critical{background:rgba(239,68,68,.2);color:var(--red);animation:pulse-critical 2s infinite}
@keyframes pulse-critical{0%,100%{opacity:1}50%{opacity:.6}}
.pin-badge{padding:3px 10px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;border-radius:var(--radius-full);background:rgba(var(--accent-rgb),.12);color:var(--accent-light)}
.announcement-content{font-size:.9rem;color:var(--text-secondary);line-height:1.7}
.announcement-date{font-size:.75rem;color:var(--text-muted);margin-top:12px}

/* ---------- Page Headers ---------- */
.page-header{position:relative;padding:160px 0 80px;text-align:center;overflow:hidden}
.page-header::before{content:'';position:absolute;inset:0;background:var(--gradient-hero);opacity:.5}
.page-header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--bg-deepest))}
.page-header .container{position:relative;z-index:2}
.page-header h1{margin-bottom:12px}
.page-header p{font-size:1.1rem;color:var(--text-secondary);max-width:500px;margin:0 auto}

/* ---------- Filters / Search ---------- */
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:40px;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.search-input{flex:1;min-width:200px;padding:10px 16px 10px 40px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;transition:border-color var(--transition);position:relative}
.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.1)}
.search-wrap{position:relative;flex:1;min-width:200px}
.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-muted);pointer-events:none}
.search-wrap input{width:100%;padding-left:40px}
.filter-group{display:flex;gap:4px}
.filter-btn{padding:8px 16px;font-size:.8rem;font-weight:500;border-radius:var(--radius-sm);color:var(--text-muted);transition:all var(--transition);background:transparent;border:1px solid transparent}
.filter-btn:hover{color:var(--text-primary);background:var(--bg-glass-light)}
.filter-btn.active{color:var(--accent-light);background:rgba(var(--accent-rgb),.1);border-color:rgba(var(--accent-rgb),.2)}

/* ---------- Empty State ---------- */
.empty-state{text-align:center;padding:80px 20px}
.empty-state-icon{font-size:3rem;margin-bottom:16px;opacity:.3}
.empty-state h3{margin-bottom:8px;color:var(--text-secondary)}
.empty-state p{color:var(--text-muted);font-size:.9rem}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--border);padding:60px 0 30px;background:var(--bg-dark)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-muted);font-size:.85rem;margin-top:12px;max-width:300px;line-height:1.7}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:.9rem;color:var(--text-secondary);transition:color var(--transition)}
.footer-col ul li a:hover{color:var(--accent-light)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-muted)}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);transition:all var(--transition)}
.footer-social a:hover{color:var(--accent-light);border-color:var(--border-accent);background:rgba(var(--accent-rgb),.08)}

/* ---------- Scroll Reveal ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---------- Loading Skeleton ---------- */
.skeleton{background:linear-gradient(90deg,var(--bg-elevated) 25%,var(--bg-card-hover) 50%,var(--bg-elevated) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s infinite;border-radius:var(--radius-sm)}
@keyframes skeleton-shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.skeleton-card{height:320px;border-radius:var(--radius-lg)}
.skeleton-text{height:14px;margin-bottom:8px;width:80%}
.skeleton-text.short{width:40%}

/* ---------- Toast / Notification ---------- */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:14px 20px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.85rem;color:var(--text-primary);box-shadow:var(--shadow-lg);animation:toast-in .3s ease;display:flex;align-items:center;gap:10px;min-width:280px}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--blue)}
@keyframes toast-in{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}

/* ---------- Announcements Banner ---------- */
.announcements-banner{background:linear-gradient(90deg,rgba(var(--accent-rgb),.08),rgba(var(--green-rgb),.05));border:1px solid rgba(var(--accent-rgb),.15);border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:40px;display:flex;align-items:center;gap:16px}
.announcements-banner-icon{width:40px;height:40px;flex-shrink:0;background:rgba(var(--accent-rgb),.15);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.announcements-banner-content{flex:1}
.announcements-banner-content strong{display:block;font-size:.95rem;margin-bottom:2px}
.announcements-banner-content p{font-size:.85rem;color:var(--text-muted);margin:0}

/* ---------- View More Link ---------- */
.view-more{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;color:var(--accent-light);transition:all var(--transition);margin-top:24px}
.view-more:hover{gap:12px;color:var(--accent)}
.view-more svg{width:16px;height:16px;transition:transform var(--transition)}
.view-more:hover svg{transform:translateX(4px)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;background:var(--bg-dark);border-bottom:1px solid var(--border);padding:16px 24px;flex-direction:column;align-items:stretch;transform:translateY(-100%);opacity:0;pointer-events:none;transition:all var(--transition)}
    .nav-links.open{transform:translateY(0);opacity:1;pointer-events:all}
    .nav-toggle{display:flex}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .hero-stats{gap:24px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{justify-content:center}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:16px;text-align:center}
    .filter-bar{flex-direction:column;align-items:stretch}
    .section{padding:60px 0}
    .page-header{padding:120px 0 60px}
}
@media(max-width:480px){
    .container{padding:0 16px}
    h1{font-size:2rem}
    h2{font-size:1.5rem}
}