/* ============================================
   CYBERSECURITY ROADMAP - PREMIUM DARK THEME
   Multi-Page Edition
   ============================================ */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a1f2e;
  --bg-card-hover: #222840;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  --accent-red: #ef4444;
  --accent-orange: #f59e0b;
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;
  --border-color: #1e293b;
  --glow-cyan: 0 0 20px rgba(6,182,212,0.3);
  --glow-green: 0 0 20px rgba(16,185,129,0.3);
  --glow-purple: 0 0 20px rgba(139,92,246,0.3);
  --header-height: 70px;
  --transition-speed: 0.3s;
  --max-width: 1100px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--accent-cyan) var(--bg-secondary);}
body{font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden;}
::-webkit-scrollbar{width:8px;}
::-webkit-scrollbar-track{background:var(--bg-secondary);}
::-webkit-scrollbar-thumb{background:var(--accent-cyan);border-radius:4px;}
a{color:inherit;text-decoration:none;}

/* BG Effects */
.cyber-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;}
.cyber-bg .grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(6,182,212,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(6,182,212,0.03) 1px,transparent 1px);background-size:60px 60px;animation:gridMove 20s linear infinite;}
@keyframes gridMove{0%{transform:translate(0,0);}100%{transform:translate(60px,60px);}}
.cyber-bg .glow-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.12;animation:orbFloat 15s ease-in-out infinite;}
.cyber-bg .glow-orb:nth-child(2){width:400px;height:400px;background:var(--accent-cyan);top:10%;right:10%;}
.cyber-bg .glow-orb:nth-child(3){width:350px;height:350px;background:var(--accent-purple);bottom:20%;left:5%;animation-delay:-5s;}
.cyber-bg .glow-orb:nth-child(4){width:300px;height:300px;background:var(--accent-green);top:50%;left:40%;animation-delay:-10s;}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1);}33%{transform:translate(30px,-30px) scale(1.1);}66%{transform:translate(-20px,20px) scale(.9);}}

/* Header */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:rgba(10,14,23,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 2rem;transition:all var(--transition-speed);}
.header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,.5);}
.header-logo{display:flex;align-items:center;gap:12px;color:var(--text-primary);}
.header-logo .logo-icon{width:46px;height:46px;background:#0a0e17;border:1px solid rgba(6,182,212,.3);border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 15px rgba(6,182,212,.25),0 0 30px rgba(6,182,212,.1);padding:4px;overflow:hidden;}
.header-logo .logo-icon img{width:100%;height:100%;object-fit:contain;transition:opacity .3s ease,transform .3s ease;}
.header-logo h1{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.header-logo .subtitle{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;}
.header-nav{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:1.5rem;}
.header-nav a{font-size:.88rem;color:var(--text-secondary);transition:color var(--transition-speed);position:relative;padding:4px 0;}
.header-nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent-cyan);transition:width var(--transition-speed);}
.header-nav a:hover{color:var(--accent-cyan);}
.header-nav a:hover::after,.header-nav a.active::after{width:100%;}
.header-nav a.active{color:var(--accent-cyan);}
.menu-toggle{display:none;background:none;border:1px solid var(--border-color);color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:6px 10px;border-radius:8px;transition:all var(--transition-speed);}
.menu-toggle:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);}
.mobile-nav{display:none;position:fixed;top:var(--header-height);left:0;right:0;background:rgba(10,14,23,.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);padding:1rem;z-index:999;max-height:calc(100vh - var(--header-height));overflow-y:auto;}
.mobile-nav.open{display:block;}
.mobile-nav a{display:block;padding:.7rem 1rem;color:var(--text-secondary);border-radius:8px;transition:all var(--transition-speed);font-size:.9rem;}
.mobile-nav a:hover{background:rgba(6,182,212,.08);color:var(--accent-cyan);}

/* Layout */
.container{max-width:var(--max-width);margin:0 auto;padding:0 2rem;}
.page-content{margin-top:var(--header-height);padding-top:2rem;padding-bottom:4rem;min-height:calc(100vh - var(--header-height));}

/* Hero */
.hero{text-align:center;padding:5rem 2rem 4rem;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(6,182,212,.1);border:1px solid rgba(6,182,212,.2);padding:6px 16px;border-radius:50px;font-size:.8rem;color:var(--accent-cyan);margin-bottom:1.5rem;letter-spacing:1px;text-transform:uppercase;}
.hero h2{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:1rem;background:linear-gradient(135deg,#fff,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero p{font-size:1.15rem;color:var(--text-secondary);max-width:650px;margin:0 auto 2.5rem;}
.hero-stats{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap;}
.hero-stat .stat-number{font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-stat .stat-label{font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;}
.typing-cursor{display:inline-block;width:3px;height:1em;background:var(--accent-cyan);margin-left:4px;animation:blink 1s infinite;vertical-align:text-bottom;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:0;}}

/* Section Grid (Landing) */
.section-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;padding:2rem 0 4rem;}
.section-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;padding:2rem;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;}
.section-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;opacity:0;transition:opacity var(--transition-speed);}
.section-card:hover{transform:translateY(-6px);border-color:rgba(6,182,212,.3);box-shadow:0 12px 40px rgba(0,0,0,.4),var(--glow-cyan);}
.section-card:hover::before{opacity:1;}
.section-card .card-top{display:flex;align-items:center;gap:14px;margin-bottom:1rem;}
.section-card .card-number{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:800;flex-shrink:0;}
.section-card h3{font-size:1.12rem;font-weight:700;}
.section-card p{font-size:.88rem;color:var(--text-secondary);line-height:1.7;flex:1;}
.section-card .card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:1.2rem;padding-top:1rem;border-top:1px solid var(--border-color);}
.section-card .card-tags{display:flex;flex-wrap:wrap;gap:6px;}
.section-card .card-arrow{width:32px;height:32px;border-radius:8px;background:rgba(6,182,212,.1);color:var(--accent-cyan);display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:all var(--transition-speed);flex-shrink:0;}
.section-card:hover .card-arrow{background:var(--accent-cyan);color:white;transform:translateX(3px);}
.accent-cyan .card-number{background:rgba(6,182,212,.15);color:var(--accent-cyan);}.accent-cyan::before{background:linear-gradient(90deg,var(--accent-cyan),var(--accent-blue));}
.accent-green .card-number{background:rgba(16,185,129,.15);color:var(--accent-green);}.accent-green::before{background:linear-gradient(90deg,var(--accent-green),var(--accent-cyan));}
.accent-purple .card-number{background:rgba(139,92,246,.15);color:var(--accent-purple);}.accent-purple::before{background:linear-gradient(90deg,var(--accent-purple),var(--accent-pink));}
.accent-red .card-number{background:rgba(239,68,68,.15);color:var(--accent-red);}.accent-red::before{background:linear-gradient(90deg,var(--accent-red),var(--accent-orange));}
.accent-orange .card-number{background:rgba(245,158,11,.15);color:var(--accent-orange);}.accent-orange::before{background:linear-gradient(90deg,var(--accent-orange),var(--accent-red));}
.accent-pink .card-number{background:rgba(236,72,153,.15);color:var(--accent-pink);}.accent-pink::before{background:linear-gradient(90deg,var(--accent-pink),var(--accent-purple));}
.accent-blue .card-number{background:rgba(59,130,246,.15);color:var(--accent-blue);}.accent-blue::before{background:linear-gradient(90deg,var(--accent-blue),var(--accent-cyan));}

/* Page Hero */
.page-hero{padding:3rem 0 2.5rem;border-bottom:1px solid var(--border-color);margin-bottom:3rem;}
.page-hero .breadcrumb{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-muted);margin-bottom:1.5rem;}
.page-hero .breadcrumb a{color:var(--accent-cyan);transition:opacity var(--transition-speed);}
.page-hero .breadcrumb a:hover{opacity:.8;}
.page-hero .page-title-row{display:flex;align-items:center;gap:20px;margin-bottom:1rem;}
.page-hero .page-icon{width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;flex-shrink:0;box-shadow:0 4px 20px rgba(0,0,0,.3);}
.page-hero h1{font-size:2.2rem;font-weight:800;}
.page-hero .page-desc{font-size:1.05rem;color:var(--text-secondary);max-width:700px;line-height:1.8;}

/* Intro Box */
.section-intro{font-size:1.02rem;color:var(--text-secondary);margin-bottom:2.5rem;padding:1.2rem 1.5rem;background:rgba(6,182,212,.04);border-left:3px solid var(--accent-cyan);border-radius:0 12px 12px 0;line-height:1.8;}

/* Card Grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-bottom:2rem;}
.card-grid.two-col{grid-template-columns:repeat(auto-fill,minmax(400px,1fr));}
.card-grid.three-col{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}

/* Card */
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;transition:all var(--transition-speed);position:relative;overflow:hidden;}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));opacity:0;transition:opacity var(--transition-speed);}
.card:hover{transform:translateY(-4px);border-color:rgba(6,182,212,.3);box-shadow:0 8px 30px rgba(0,0,0,.3),var(--glow-cyan);}
.card:hover::before{opacity:1;}
.card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:1rem;}
.card h3{font-size:1.15rem;font-weight:700;margin-bottom:.6rem;}
.card p,.card .card-desc{font-size:.9rem;color:var(--text-secondary);line-height:1.7;}
.card.full-width{grid-column:1/-1;}

/* Tags */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:1rem;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:8px;font-size:.82rem;font-weight:600;border:1px solid;transition:all var(--transition-speed);}
.tag:hover{transform:translateY(-2px);}
.tag-cyan{background:rgba(6,182,212,.1);border-color:rgba(6,182,212,.25);color:var(--accent-cyan);}
.tag-green{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.25);color:var(--accent-green);}
.tag-purple{background:rgba(139,92,246,.1);border-color:rgba(139,92,246,.25);color:var(--accent-purple);}
.tag-red{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.25);color:var(--accent-red);}
.tag-orange{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.25);color:var(--accent-orange);}
.tag-pink{background:rgba(236,72,153,.1);border-color:rgba(236,72,153,.25);color:var(--accent-pink);}
.tag-blue{background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.25);color:var(--accent-blue);}

/* Code Block */
.code-block{background:#0d1117;border:1px solid var(--border-color);border-radius:12px;padding:1.2rem 1.5rem;margin:1rem 0;font-family:'JetBrains Mono','Fira Code','Cascadia Code',monospace;font-size:.88rem;line-height:1.8;overflow-x:auto;}
.code-block .code-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.8rem;padding-bottom:.6rem;border-bottom:1px solid var(--border-color);}
.code-block .code-lang{font-size:.75rem;color:var(--accent-green);text-transform:uppercase;letter-spacing:1px;font-weight:600;}
.code-block .code-dots{display:flex;gap:6px;}
.code-block .code-dots span{width:10px;height:10px;border-radius:50%;}
.code-block .code-dots span:nth-child(1){background:#ef4444;}
.code-block .code-dots span:nth-child(2){background:#f59e0b;}
.code-block .code-dots span:nth-child(3){background:#10b981;}
.code-block code{color:var(--text-primary);display:block;}
.cmd{color:var(--accent-green);}
.flag{color:var(--accent-cyan);}
.comment{color:var(--text-muted);}
.string{color:var(--accent-orange);}

/* Info Box */
.info-box{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;margin:1.5rem 0;}
.info-box.warning{border-left:4px solid var(--accent-orange);background:rgba(245,158,11,.05);}
.info-box.important{border-left:4px solid var(--accent-red);background:rgba(239,68,68,.05);}
.info-box.tip{border-left:4px solid var(--accent-green);background:rgba(16,185,129,.05);}
.info-box h4{font-size:1rem;margin-bottom:.5rem;display:flex;align-items:center;gap:8px;}
.info-box p{font-size:.9rem;color:var(--text-secondary);line-height:1.7;}
.info-list{list-style:none;padding:0;margin:.5rem 0 0;}
.info-list li{position:relative;padding:.4rem 0 .4rem 1.5rem;font-size:.9rem;color:var(--text-secondary);line-height:1.7;}
.info-list li::before{content:'▹';position:absolute;left:0;color:var(--accent-cyan);font-weight:700;}

/* Accordion */
.accordion{margin:1.5rem 0;}
.accordion-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;margin-bottom:.6rem;overflow:hidden;transition:all var(--transition-speed);}
.accordion-item:hover{border-color:rgba(6,182,212,.2);}
.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;cursor:pointer;user-select:none;transition:all var(--transition-speed);}
.accordion-header:hover{background:rgba(6,182,212,.03);}
.accordion-header h4{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:600;}
.accordion-arrow{font-size:.8rem;color:var(--text-muted);transition:transform var(--transition-speed);}
.accordion-item.open .accordion-arrow{transform:rotate(180deg);}
.accordion-body{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.accordion-body-inner{padding:0 1.5rem 1.2rem;font-size:.9rem;color:var(--text-secondary);line-height:1.8;}

/* Timeline */
.timeline{position:relative;padding-left:50px;}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent-cyan),var(--accent-purple),var(--accent-green));}
.timeline-item{position:relative;margin-bottom:1.8rem;padding:1.2rem 1.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;transition:all var(--transition-speed);}
.timeline-item:hover{border-color:rgba(6,182,212,.3);transform:translateX(5px);}
.timeline-marker{position:absolute;left:-50px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;color:white;font-size:.8rem;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 0 12px rgba(6,182,212,.4);z-index:1;}
.timeline-content h4{font-size:1.05rem;margin-bottom:.4rem;}
.timeline-content p{font-size:.88rem;color:var(--text-secondary);}

/* Tool Card */
.tool-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;transition:all var(--transition-speed);}
.tool-card:hover{transform:translateY(-3px);border-color:rgba(6,182,212,.3);box-shadow:0 8px 25px rgba(0,0,0,.3);}
.tool-icon{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;}
.tool-card h4{font-size:1.05rem;margin-bottom:.3rem;}
.tool-card p{font-size:.85rem;color:var(--text-secondary);line-height:1.6;margin-bottom:.8rem;}

/* Styled List */
.styled-list{margin:1rem 0;}
.styled-list ul{list-style:none;padding:0;}
.styled-list li{padding:.7rem 1rem;margin-bottom:.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;font-size:.92rem;transition:all var(--transition-speed);}
.styled-list li:hover{border-color:rgba(6,182,212,.3);transform:translateX(5px);}
.styled-list h4{font-size:1.1rem;margin-bottom:.8rem;}

/* Table */
.styled-table{width:100%;margin:1rem 0;border-radius:12px;overflow:hidden;border:1px solid var(--border-color);}
.styled-table table{width:100%;border-collapse:collapse;}
.styled-table th{background:var(--bg-card);padding:1rem;text-align:left;font-size:.85rem;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:1px;font-weight:600;}
.styled-table td{padding:.8rem 1rem;font-size:.9rem;border-top:1px solid var(--border-color);color:var(--text-secondary);}
.styled-table tr:hover td{background:rgba(6,182,212,.03);}

/* Cert Card */
.cert-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;text-align:center;transition:all var(--transition-speed);position:relative;overflow:hidden;}
.cert-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));}
.cert-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,.4);}
.cert-card .cert-level{font-size:.7rem;text-transform:uppercase;letter-spacing:2px;padding:3px 10px;border-radius:50px;display:inline-block;margin-bottom:.8rem;font-weight:700;}
.cert-card .cert-level.beginner{background:rgba(16,185,129,.15);color:var(--accent-green);}
.cert-card .cert-level.intermediate{background:rgba(245,158,11,.15);color:var(--accent-orange);}
.cert-card .cert-level.advanced{background:rgba(239,68,68,.15);color:var(--accent-red);}
.cert-card .cert-level.expert{background:rgba(139,92,246,.15);color:var(--accent-purple);}
.cert-card h4{font-size:1.3rem;font-weight:800;margin-bottom:.5rem;}
.cert-card p{font-size:.85rem;color:var(--text-secondary);}

/* Platform Card */
.platform-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2rem;text-align:center;transition:all var(--transition-speed);}
.platform-card:hover{transform:translateY(-5px);border-color:rgba(6,182,212,.3);box-shadow:0 10px 30px rgba(0,0,0,.3);}
.platform-card .platform-icon{font-size:2.5rem;margin-bottom:1rem;}
.platform-card h4{font-size:1.1rem;margin-bottom:.5rem;}
.platform-card p{font-size:.85rem;color:var(--text-secondary);}

/* Icon BGs */
.bg-cyan{background:rgba(6,182,212,.15);color:var(--accent-cyan);}
.bg-green{background:rgba(16,185,129,.15);color:var(--accent-green);}
.bg-purple{background:rgba(139,92,246,.15);color:var(--accent-purple);}
.bg-red{background:rgba(239,68,68,.15);color:var(--accent-red);}
.bg-orange{background:rgba(245,158,11,.15);color:var(--accent-orange);}
.bg-pink{background:rgba(236,72,153,.15);color:var(--accent-pink);}
.bg-blue{background:rgba(59,130,246,.15);color:var(--accent-blue);}

/* Section Title */
.section-title{font-size:1.4rem;font-weight:700;margin:2.5rem 0 1.5rem;display:flex;align-items:center;gap:10px;}

/* Page Navigation */
.page-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:4rem;padding-top:2rem;border-top:1px solid var(--border-color);}
.page-nav a{flex:1;display:flex;align-items:center;gap:12px;padding:1.2rem 1.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;transition:all var(--transition-speed);max-width:48%;}
.page-nav a:hover{border-color:var(--accent-cyan);transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.3);}
.page-nav a.next{margin-left:auto;text-align:right;flex-direction:row-reverse;}
.page-nav .nav-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;}
.page-nav .nav-title{font-size:.95rem;font-weight:600;color:var(--text-primary);}
.page-nav .nav-arrow{font-size:1.2rem;color:var(--accent-cyan);flex-shrink:0;}

/* Footer */
.footer{padding:2rem;text-align:center;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:.85rem;margin-top:2rem;}

/* Reading Progress Bar */
.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:1001;background:transparent;}
.reading-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple),var(--accent-green));transition:width .1s linear;box-shadow:0 0 10px rgba(6,182,212,.5);}

/* Search Toggle — Integrated into header */
.search-toggle{background:rgba(6,182,212,.06);border:1px solid rgba(6,182,212,.15);color:var(--text-secondary);cursor:pointer;padding:10px 28px;border-radius:12px;display:flex;align-items:center;gap:10px;font-size:.9rem;transition:all var(--transition-speed);font-family:inherit;margin-left:auto;margin-right:12px;}
.search-toggle:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);background:rgba(6,182,212,.1);box-shadow:var(--glow-cyan);}
.search-toggle .search-icon{font-size:.9rem;}
.search-toggle kbd{font-size:.6rem;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:4px;padding:2px 6px;font-family:inherit;color:var(--text-muted);}

/* Search Overlay — Spotlight/Command Palette */
.search-overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(16px);z-index:2000;display:flex;align-items:flex-start;justify-content:center;padding-top:min(15vh,140px);opacity:0;visibility:hidden;transition:all .25s cubic-bezier(.4,0,.2,1);}
.search-overlay.open{opacity:1;visibility:visible;}
.search-container{width:min(92%,620px);background:var(--bg-secondary);border:1px solid rgba(6,182,212,.15);border-radius:18px;overflow:hidden;box-shadow:0 25px 80px rgba(0,0,0,.7),0 0 40px rgba(6,182,212,.08);transform:translateY(-16px) scale(.97);transition:all .25s cubic-bezier(.4,0,.2,1);}
.search-overlay.open .search-container{transform:translateY(0) scale(1);}
.search-header{display:flex;align-items:center;gap:14px;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);}
.search-header .search-icon-lg{font-size:1.2rem;color:var(--accent-cyan);flex-shrink:0;}
.search-input{flex:1;background:none;border:none;outline:none;font-size:1.05rem;color:var(--text-primary);font-family:inherit;min-width:0;}
.search-input::placeholder{color:var(--text-muted);}
.search-close{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:var(--text-muted);cursor:pointer;padding:4px 10px;border-radius:6px;font-size:.7rem;font-family:inherit;transition:all var(--transition-speed);flex-shrink:0;}
.search-close:hover{border-color:var(--accent-red);color:var(--accent-red);background:rgba(239,68,68,.08);}
.search-body{max-height:min(55vh,420px);overflow-y:auto;padding:.5rem;}
.search-section-label{padding:.6rem 1.2rem .3rem;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--text-muted);}
.search-results{padding:0 .5rem .5rem;}
.search-result-item{display:flex;align-items:center;gap:14px;padding:.85rem 1rem;border-radius:12px;transition:all .2s ease;cursor:pointer;text-decoration:none;color:inherit;border:1px solid transparent;}
.search-result-item:hover,.search-result-item.selected{background:rgba(6,182,212,.06);border-color:rgba(6,182,212,.15);}
.search-result-icon{font-size:1.3rem;flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;transition:transform .2s;}
.search-result-item:hover .search-result-icon{transform:scale(1.1);}
.search-result-info{flex:1;min-width:0;}
.search-result-title{display:block;font-weight:600;font-size:.95rem;margin-bottom:2px;color:var(--text-primary);}
.search-result-title mark,.search-result-desc mark{background:rgba(6,182,212,.2);color:var(--accent-cyan);border-radius:3px;padding:0 3px;}
.search-result-desc{display:block;font-size:.8rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.search-result-num{font-size:.7rem;color:var(--text-muted);background:rgba(255,255,255,.04);padding:4px 10px;border-radius:8px;font-weight:700;flex-shrink:0;font-family:'JetBrains Mono',monospace;}
.search-empty{text-align:center;padding:3rem 1rem;color:var(--text-muted);}
.search-empty-icon{font-size:2.5rem;margin-bottom:.8rem;opacity:.5;}
.search-empty p{font-size:.95rem;margin-bottom:.3rem;}
.search-empty span{font-size:.8rem;color:var(--text-muted);}

/* Bookmark Button — Integrated in page hero */
.bookmark-btn{background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.15);color:var(--text-muted);cursor:pointer;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all .25s cubic-bezier(.4,0,.2,1);position:absolute;top:3rem;right:0;}
.bookmark-btn:hover{border-color:var(--accent-orange);color:var(--accent-orange);transform:scale(1.15);box-shadow:0 0 20px rgba(245,158,11,.2);}
.bookmark-btn.bookmarked{background:rgba(245,158,11,.15);border-color:var(--accent-orange);color:var(--accent-orange);animation:bookmarkPop .4s cubic-bezier(.4,0,.2,1);}
@keyframes bookmarkPop{0%{transform:scale(1);}50%{transform:scale(1.3);}100%{transform:scale(1);}}
.page-hero{position:relative;}
.section-card.bookmarked{box-shadow:inset 0 0 0 2px rgba(245,158,11,.25);}
.section-card.bookmarked::after{content:'🔖';position:absolute;top:12px;right:12px;font-size:.9rem;}

/* Toast Notification */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--bg-card);border:1px solid rgba(6,182,212,.2);color:var(--text-primary);padding:10px 24px;border-radius:12px;font-size:.88rem;font-family:inherit;z-index:3000;opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 10px 40px rgba(0,0,0,.5),0 0 20px rgba(6,182,212,.1);pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* Comment Section — Seamless integration */
.comment-section{margin-top:3rem;padding-top:2.5rem;border-top:1px solid var(--border-color);}
.comment-section-header{display:flex;align-items:center;gap:12px;margin-bottom:1.5rem;}
.comment-section-header h3{font-size:1.2rem;font-weight:700;display:flex;align-items:center;gap:10px;}
.comment-badge{background:linear-gradient(135deg,rgba(6,182,212,.15),rgba(139,92,246,.15));color:var(--accent-cyan);font-size:.75rem;font-weight:700;padding:3px 12px;border-radius:50px;min-width:24px;text-align:center;}
.comment-form{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;margin-bottom:1.5rem;transition:border-color var(--transition-speed);}
.comment-form:focus-within{border-color:rgba(6,182,212,.3);}
.comment-form-row{display:flex;gap:1rem;margin-bottom:1rem;align-items:center;}
.comment-name{flex:1;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:.65rem 1rem;color:var(--text-primary);font-size:.88rem;font-family:inherit;outline:none;transition:all var(--transition-speed);}
.comment-name:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(6,182,212,.08);}
.star-rating{display:flex;align-items:center;gap:2px;padding:0 .5rem;}
.star-rating .star{font-size:1.4rem;color:rgba(255,255,255,.12);cursor:pointer;transition:all .15s ease;user-select:none;}
.star-rating .star:hover,.star-rating .star.hover{color:var(--accent-orange);transform:scale(1.15);}
.star-rating .star.active{color:var(--accent-orange);}
.comment-text{width:100%;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:.65rem 1rem;color:var(--text-primary);font-size:.88rem;font-family:inherit;outline:none;resize:vertical;min-height:80px;transition:all var(--transition-speed);}
.comment-text:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(6,182,212,.08);}
.comment-submit{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));color:white;border:none;padding:.65rem 2rem;border-radius:10px;font-size:.88rem;font-weight:600;cursor:pointer;transition:all var(--transition-speed);font-family:inherit;margin-top:.6rem;}
.comment-submit:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(6,182,212,.3);}
.comment-list{display:flex;flex-direction:column;gap:.8rem;}
.comment-item{display:flex;gap:12px;padding:1rem 1.2rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;transition:all var(--transition-speed);position:relative;}
.comment-item:hover{border-color:rgba(6,182,212,.15);}
.comment-avatar{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:white;flex-shrink:0;}
.comment-body{flex:1;min-width:0;}
.comment-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px;}
.comment-author{font-weight:600;font-size:.88rem;}
.comment-stars{color:var(--accent-orange);font-size:.75rem;letter-spacing:1px;}
.comment-date{font-size:.72rem;color:var(--text-muted);}
.comment-msg{font-size:.88rem;color:var(--text-secondary);line-height:1.7;margin:0;}
.comment-delete{position:absolute;top:10px;right:12px;background:none;border:none;cursor:pointer;font-size:1rem;color:var(--text-muted);opacity:.2;transition:all var(--transition-speed);line-height:1;}
.comment-delete:hover{opacity:.8;color:var(--accent-red);}
.no-comments{text-align:center;padding:2.5rem;color:var(--text-muted);background:rgba(6,182,212,.02);border:1px dashed rgba(6,182,212,.12);border-radius:14px;}
.no-comments-icon{font-size:2rem;margin-bottom:.5rem;opacity:.4;}
.no-comments p{font-size:.95rem;margin-bottom:.2rem;}
.no-comments span{font-size:.8rem;}

/* Scroll Top */
.scroll-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));color:white;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--transition-speed);box-shadow:var(--glow-cyan);z-index:999;}
.scroll-top.visible{opacity:1;visibility:visible;}
.scroll-top:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(6,182,212,.5);}

/* Fade In */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease;}
.fade-in.visible{opacity:1;transform:translateY(0);}

/* Responsive */
@media(max-width:1024px){.header-nav{display:none;}.menu-toggle{display:block;}.hero h2{font-size:2.4rem;}.section-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}.card-grid.two-col{grid-template-columns:1fr;}.search-toggle kbd{display:none;}.search-toggle{margin-right:8px;padding:7px 12px;}}
@media(max-width:768px){.container{padding:0 1rem;}.hero h2{font-size:1.8rem;}.card-grid,.card-grid.three-col,.section-grid{grid-template-columns:1fr;}.page-hero h1{font-size:1.6rem;}.page-hero .page-icon{width:50px;height:50px;font-size:1.4rem;}.page-nav{flex-direction:column;}.page-nav a{max-width:100%;}.page-nav a.next{flex-direction:row;text-align:left;}.header-logo .subtitle{display:none;}.comment-form-row{flex-direction:column;}.search-container{width:96%;border-radius:14px;}.bookmark-btn{top:1.5rem;width:38px;height:38px;font-size:1rem;}}
@media(max-width:480px){.hero{padding:2.5rem .5rem 2rem;}.hero h2{font-size:1.5rem;}.page-content{padding-top:1rem;}.search-toggle{font-size:0;gap:0;padding:7px 10px;}.search-toggle .search-icon{font-size:1.1rem;}}