/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#4F46E5;--accent:#7C3AED;--bg:#F9FAFB;--text:#111827;--text-light:#6B7280;--card-bg:#FFFFFF;--border:#E5E7EB;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--gradient:linear-gradient(135deg,var(--primary),var(--accent));--max-w:1200px;--transition:all .2s ease}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
ul,ol{padding-left:1.25em}

/* ===== UTILITY ===== */
.container{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.badge{display:inline-block;padding:.2em .7em;border-radius:9999px;font-size:.75rem;font-weight:600;background:var(--gradient);color:#fff}

/* ===== NAV ===== */
.nav{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{font-size:1.35rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:1.75rem;list-style:none;padding:0}
.nav-links a{color:var(--text);font-weight:500;font-size:.95rem;position:relative}
.nav-links a:hover{color:var(--primary)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gradient);transition:width .2s}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem}
.nav-toggle svg{width:24px;height:24px;stroke:var(--text)}

/* ===== HERO ===== */
.hero{background:var(--gradient);color:#fff;padding:5rem 0 4rem;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);font-weight:800;margin-bottom:1rem;line-height:1.15}
.hero p{font-size:1.15rem;opacity:.9;max-width:640px;margin:0 auto 2rem}
.hero-cta{display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:var(--primary);padding:.85rem 2rem;border-radius:9999px;font-weight:700;font-size:1rem;transition:var(--transition);border:none;cursor:pointer}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.2);color:var(--accent)}

/* ===== SECTION ===== */
.section{padding:4rem 0}
.section-title{font-size:1.75rem;font-weight:700;text-align:center;margin-bottom:.5rem}
.section-sub{text-align:center;color:var(--text-light);margin-bottom:2.5rem;max-width:600px;margin-left:auto;margin-right:auto}

/* ===== CATEGORY GRID ===== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1.25rem}
.cat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem 1rem;text-align:center;transition:var(--transition);cursor:pointer}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.cat-card svg{width:40px;height:40px;margin:0 auto .75rem;color:var(--primary)}
.cat-card h3{font-size:1rem;font-weight:600}

/* ===== REVIEW CARDS ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem}
.review-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.review-card-body{padding:1.5rem}
.review-card-body h3{font-size:1.15rem;font-weight:700;margin-bottom:.5rem}
.review-card-body p{color:var(--text-light);font-size:.9rem;margin-bottom:1rem}
.review-card-meta{display:flex;align-items:center;gap:.75rem;font-size:.8rem;color:var(--text-light)}
.review-card-thumb{height:180px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:2rem;font-weight:700}

/* ===== CTA BUTTON ===== */
.btn-cta{display:inline-flex;align-items:center;gap:.5rem;background:var(--gradient);color:#fff;padding:.75rem 1.75rem;border-radius:9999px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:var(--transition)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(79,70,229,.4);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}

/* ===== ARTICLE LAYOUT ===== */
.article-layout{display:grid;grid-template-columns:260px 1fr;gap:2.5rem;align-items:start}
.toc{position:sticky;top:80px;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.toc h2{font-size:.95rem;font-weight:700;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-light)}
.toc ul{list-style:none;padding:0}
.toc li{margin-bottom:.5rem}
.toc a{font-size:.85rem;color:var(--text-light);transition:var(--transition)}
.toc a:hover{color:var(--primary)}
.article-content{max-width:780px}
.article-content h1{font-size:2rem;font-weight:800;margin-bottom:.5rem;line-height:1.25}
.article-content .meta{color:var(--text-light);font-size:.9rem;margin-bottom:2rem}
.article-content h2{font-size:1.5rem;font-weight:700;margin:2.5rem 0 1rem;padding-top:1rem;border-top:1px solid var(--border)}
.article-content h3{font-size:1.15rem;font-weight:600;margin:1.5rem 0 .75rem}
.article-content p{margin-bottom:1rem}
.article-content ul,.article-content ol{margin-bottom:1rem}
.article-content li{margin-bottom:.35rem}

/* ===== TOOL CARD (inside articles) ===== */
.tool-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem;margin-bottom:2rem}
.tool-card h3{margin-top:0;font-size:1.3rem}
.tool-card .rating{display:flex;align-items:center;gap:.35rem;margin:.75rem 0}
.tool-card .stars{color:#F59E0B;font-size:1.1rem}
.tool-card .rating-num{font-weight:700;font-size:1rem}
.tool-card .pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0}
.tool-card .pros h4,.tool-card .cons h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}
.tool-card .pros h4{color:#10B981}
.tool-card .cons h4{color:#EF4444}
.tool-card .pros ul,.tool-card .cons ul{list-style:none;padding:0;font-size:.9rem}
.tool-card .pros li::before{content:'✓ ';color:#10B981;font-weight:700}
.tool-card .cons li::before{content:'✗ ';color:#EF4444;font-weight:700}
.tool-card .pricing{background:var(--bg);padding:.75rem 1rem;border-radius:8px;font-size:.9rem;margin:1rem 0}
.tool-card .pricing strong{color:var(--primary)}

/* ===== COMPARISON TABLE ===== */
.comparison-table{width:100%;border-collapse:collapse;margin:2rem 0;font-size:.9rem}
.comparison-table th,.comparison-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border)}
.comparison-table th{background:var(--primary);color:#fff;font-weight:600;position:sticky;top:64px}
.comparison-table tr:hover td{background:rgba(79,70,229,.04)}
.comparison-table .winner{background:rgba(79,70,229,.08);font-weight:600}

/* ===== STARS ===== */
.star-rating{display:inline-flex;gap:2px}
.star-rating .star{color:#D1D5DB;font-size:1.1rem}
.star-rating .star.filled{color:#F59E0B}
.star-rating .star.half{background:linear-gradient(90deg,#F59E0B 50%,#D1D5DB 50%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* ===== FOOTER ===== */
.footer{background:#111827;color:#9CA3AF;padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:1rem}
.footer ul{list-style:none;padding:0}
.footer li{margin-bottom:.5rem}
.footer a{color:#9CA3AF;font-size:.9rem}
.footer a:hover{color:#fff}
.footer-bottom{text-align:center;padding-top:1.5rem;border-top:1px solid #1F2937;font-size:.8rem}

/* ===== PAGE (about, privacy, etc.) ===== */
.page{padding:3rem 0}
.page h1{font-size:2rem;font-weight:800;margin-bottom:1.5rem}
.page h2{font-size:1.4rem;font-weight:700;margin:2rem 0 .75rem}
.page p,.page li{margin-bottom:.75rem;color:var(--text);line-height:1.8}
.page-content{max-width:780px;margin:0 auto}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:1rem 1.5rem;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .nav-links.active{display:flex}
  .nav-toggle{display:block}
  .hero{padding:3.5rem 0 3rem}
  .article-layout{grid-template-columns:1fr}
  .toc{position:static;margin-bottom:1.5rem}
  .review-grid{grid-template-columns:1fr}
  .tool-card .pros-cons{grid-template-columns:1fr}
  .comparison-table{display:block;overflow-x:auto}
}