/* monitorguide.co — v1.0 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0a0f1e;
  --surface:#111827;
  --card:#162032;
  --card-hover:#1c2a42;
  --border:#1e293b;
  --border-light:#334155;
  --primary:#3b82f6;
  --primary-hover:#2563eb;
  --accent:#06b6d4;
  --accent-dim:#0891b2;
  --text:#e2e8f0;
  --text-muted:#94a3b8;
  --text-dim:#64748b;
  --white:#f8fafc;
  --success:#22c55e;
  --warning:#f59e0b;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.4);
  --max-w:1200px;
  --transition:0.25s ease;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm)}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--white);line-height:1.3;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.2rem)}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem)}
h3{font-size:clamp(1.15rem,2.5vw,1.5rem)}
p{margin-bottom:1rem}

/* Disclosure */
.disclosure{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 20px;font-size:0.82rem;color:var(--text-muted);max-width:var(--max-w);margin:12px auto;line-height:1.5}

/* Header */
.site-header{background:rgba(10,15,30,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.nav-container{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.25rem;font-weight:800;color:var(--white);display:flex;align-items:center;gap:8px}
.logo:hover{color:var(--primary)}
.logo-icon{color:var(--primary);font-size:1.1rem}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--text-muted);font-size:0.9rem;font-weight:500;transition:color var(--transition)}
.nav-links a:hover{color:var(--white)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:4px}
.mobile-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:80px 24px 60px;text-align:center}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.25}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,30,0.4) 0%,var(--bg) 100%)}
.hero-content{position:relative;z-index:1;max-width:800px;margin:0 auto}
.hero h1{margin-bottom:16px}
.hero h1 .accent{color:var(--accent)}
.hero p{font-size:1.15rem;color:var(--text-muted);margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-cta{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:var(--white);padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;transition:all var(--transition);border:none;cursor:pointer}
.hero-cta:hover{background:var(--primary-hover);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 25px rgba(59,130,246,0.35)}

/* Section */
.section{padding:80px 24px}
.section-inner{max-width:var(--max-w);margin:0 auto}
.section-header{text-align:center;margin-bottom:48px}
.section-header p{color:var(--text-muted);font-size:1.05rem;max-width:650px;margin:12px auto 0}
.section-label{display:inline-block;font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);margin-bottom:12px}
.section-alt{background:var(--surface)}

/* Category Cards */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all var(--transition);cursor:pointer;text-decoration:none;color:var(--text)}
.cat-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-lg);color:var(--text)}
.cat-card img{width:100%;height:220px;object-fit:cover;transition:transform 0.4s ease}
.cat-card:hover img{transform:scale(1.04)}
.cat-card-body{padding:20px}
.cat-card-body h3{margin-bottom:8px;font-size:1.15rem}
.cat-card-body p{color:var(--text-muted);font-size:0.9rem;margin-bottom:14px;line-height:1.6}
.cat-card-link{color:var(--primary);font-weight:600;font-size:0.9rem;display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .cat-card-link{color:var(--accent)}

/* Content Sections */
.content-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.content-block.reverse{direction:rtl}
.content-block.reverse > *{direction:ltr}
.content-block h3{margin-bottom:16px}
.content-block p{color:var(--text-muted);line-height:1.8}
.content-block img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* Specs Grid */
.specs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.spec-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:border-color var(--transition)}
.spec-card:hover{border-color:var(--accent-dim)}
.spec-icon{font-size:1.8rem;margin-bottom:12px}
.spec-card h3{font-size:1.1rem;margin-bottom:10px}
.spec-card p{color:var(--text-muted);font-size:0.9rem;line-height:1.7;margin-bottom:0}
.spec-tip{margin-top:12px;padding:10px 14px;background:rgba(6,182,212,0.08);border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:0.85rem;color:var(--accent)}

/* Use-Case Sections */
.use-case{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:32px}
.use-case-img{width:100%;height:300px;object-fit:cover}
.use-case-body{padding:32px}
.use-case-body h3{margin-bottom:12px}
.use-case-body p{color:var(--text-muted);line-height:1.8}
.use-case-specs{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.use-case-tag{background:rgba(59,130,246,0.12);color:var(--primary);padding:6px 14px;border-radius:50px;font-size:0.8rem;font-weight:600}
.use-case-cta{display:inline-flex;align-items:center;gap:6px;margin-top:20px;background:var(--primary);color:var(--white);padding:10px 24px;border-radius:50px;font-weight:600;font-size:0.9rem;transition:all var(--transition)}
.use-case-cta:hover{background:var(--primary-hover);color:var(--white);transform:translateY(-1px)}

/* Panel Types */
.panel-comparison{margin-top:32px}
.panel-comparison img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:32px}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.panel-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}
.panel-card h4{color:var(--accent);margin-bottom:12px;font-size:1.1rem}
.panel-card p{color:var(--text-muted);font-size:0.88rem;line-height:1.7;margin-bottom:0}
.panel-card .best-for{margin-top:12px;padding-top:12px;border-top:1px solid var(--border);font-size:0.82rem;color:var(--success);font-weight:600}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:var(--card)}
.faq-q{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:var(--white);font-size:1rem;transition:background var(--transition)}
.faq-q:hover{background:var(--card-hover)}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--text-muted);transition:transform var(--transition)}
.faq-item.open .faq-q::after{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.35s ease}
.faq-item.open .faq-a{max-height:600px}
.faq-a-inner{padding:0 24px 20px;color:var(--text-muted);line-height:1.8;font-size:0.95rem}

/* CTA Banner */
.cta-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--accent-dim) 100%);border-radius:var(--radius);padding:48px;text-align:center;margin-top:20px}
.cta-banner h2{color:var(--white);margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,0.85);margin-bottom:24px}
.cta-banner a{display:inline-flex;background:var(--white);color:var(--primary);padding:14px 32px;border-radius:50px;font-weight:700;transition:all var(--transition)}
.cta-banner a:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,0.25);color:var(--primary-hover)}

/* Aux Pages */
.aux-page{max-width:800px;margin:0 auto;padding:60px 24px 80px}
.aux-page h1{margin-bottom:24px;font-size:2rem}
.aux-page h2{margin-top:36px;margin-bottom:16px;font-size:1.4rem}
.aux-page p{color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.aux-page ul{color:var(--text-muted);padding-left:24px;margin-bottom:16px;line-height:1.8}
.aux-page a{color:var(--primary)}

/* Contact Form */
.contact-form{max-width:560px;margin:0 auto}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;margin-bottom:8px;color:var(--white);font-size:0.9rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:1rem;font-family:inherit;transition:border-color var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{min-height:140px;resize:vertical}
.form-submit{background:var(--primary);color:var(--white);border:none;padding:14px 36px;border-radius:50px;font-weight:700;font-size:1rem;cursor:pointer;transition:all var(--transition);width:100%}
.form-submit:hover{background:var(--primary-hover);transform:translateY(-1px)}

/* 404 */
.page-404{text-align:center;padding:120px 24px}
.page-404 h1{font-size:6rem;color:var(--primary);margin-bottom:8px}
.page-404 p{color:var(--text-muted);font-size:1.1rem;margin-bottom:28px}
.page-404 a{display:inline-flex;background:var(--primary);color:var(--white);padding:12px 28px;border-radius:50px;font-weight:600}

/* Thanks */
.thanks-page{text-align:center;padding:120px 24px}
.thanks-icon{font-size:4rem;margin-bottom:16px}
.thanks-page h1{margin-bottom:12px}
.thanks-page p{color:var(--text-muted);margin-bottom:28px}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:60px 24px 32px}
.footer-inner{max-width:var(--max-w);margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{color:var(--white);font-size:0.95rem;margin-bottom:16px}
.footer-col p{color:var(--text-muted);font-size:0.88rem;line-height:1.7}
.footer-col a{display:block;color:var(--text-muted);font-size:0.88rem;margin-bottom:8px;transition:color var(--transition)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px}
.footer-bottom p{color:var(--text-dim);font-size:0.8rem;text-align:center}

/* Responsive */
@media(max-width:900px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .content-block{grid-template-columns:1fr;gap:24px}
  .content-block.reverse{direction:ltr}
  .specs-grid{grid-template-columns:1fr}
  .panel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:640px){
  .cat-grid{grid-template-columns:1fr}
  .mobile-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--surface);flex-direction:column;padding:20px 24px;gap:16px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .hero{padding:60px 16px 40px}
  .section{padding:48px 16px}
  .footer-grid{grid-template-columns:1fr}
  .cta-banner{padding:32px 20px}
  .use-case-body{padding:20px}
}