/* ═══════════════════════════════════════════════
   AI Toolkit Review — Full ZiYeAPI Integration
   Exact match: ziyeapi.com design system
   ═══════════════════════════════════════════════ */

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

:root {
  --bg:#06060a; --bg2:#0d0d14; --bg3:#14141f; --bg4:#1a1a2a;
  --text:#e8e8f0; --text2:#8888a0; --text3:#55556a;
  --accent:#00ff88; --accent2:#00cc6a; --accent-glow:rgba(0,255,136,.15);
  --border:#1e1e30; --border2:#2a2a40;
  --red:#ff4466; --blue:#4488ff; --yellow:#ffcc00;
  --font:'Outfit',system-ui,sans-serif; --mono:'JetBrains Mono',monospace;
  --max-width:1200px; --max-narrow:780px; --nav-h:64px;
  --radius:12px; --radius-lg:16px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.7;overflow-x:hidden;
  position:relative;
}
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%,rgba(0,255,136,.04),transparent),
    radial-gradient(ellipse 40% 30% at 80% 60%,rgba(0,170,255,.03),transparent);
}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:#66ffbb}
::selection{background:var(--accent);color:var(--bg)}

/* Grid overlay (matches main site) */
.grid-bg{
  position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:60px 60px;opacity:.3;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,black,transparent);
}

/* Typography */
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.2}
h1{font-size:clamp(2rem,4vw,3rem)}
h2{font-size:clamp(1.4rem,3vw,2rem);margin-top:48px;margin-bottom:16px}
h3{font-size:1.15rem;margin-top:32px;margin-bottom:12px}
p{color:var(--text2);line-height:1.7}
p+p{margin-top:12px}
strong{color:var(--text)}

/* Buttons */
.btn,.btn-primary,.btn-secondary,.btn-outline{
  display:inline-flex;align-items:center;gap:8px;padding:10px 24px;
  border-radius:8px;font-family:var(--font);font-size:.9rem;font-weight:600;
  cursor:pointer;border:none;transition:all .25s;text-decoration:none;
}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-primary:hover{background:#33ffaa;transform:translateY(-1px);box-shadow:0 8px 30px var(--accent-glow);color:var(--bg)}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border2)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:14px 32px;font-size:1rem}

/* Nav - exact match */
.nav-bar{
  position:sticky;top:0;z-index:100;
  background:rgba(6,6,10,.9);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);padding:0 24px;
}
.nav-inner{
  max-width:var(--max-width);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);
}
.nav-logo{font-size:1.25rem;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.nav-logo .brand{color:var(--accent)}
.nav-links{display:flex;gap:24px;align-items:center;list-style:none}
.nav-links a{color:var(--text2);font-size:.9rem;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--text)}

/* Tags */
.tag{font-size:.75rem;padding:4px 10px;border-radius:4px;font-weight:500;font-family:var(--mono)}
.tag-green{background:rgba(0,255,136,.1);color:var(--accent);border:1px solid rgba(0,255,136,.2)}
.tag-blue{background:rgba(68,136,255,.1);color:var(--blue);border:1px solid rgba(68,136,255,.2)}
.tag-yellow{background:rgba(255,204,0,.1);color:var(--yellow);border:1px solid rgba(255,204,0,.2)}

/* Section labels */
.section-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:12px}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;margin-bottom:8px}
.section-desc{color:var(--text2);font-size:1.05rem;max-width:600px;margin-bottom:48px}

/* ═══ REVIEW PAGE HERO ═══ */
.review-hero-section{
  padding:100px 0 0;position:relative;
}
.review-hero-section::before{
  content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);
  width:800px;height:800px;
  background:radial-gradient(circle,rgba(0,255,136,.04),transparent 70%);
  pointer-events:none;
}

.breadcrumb{
  font-size:.85rem;color:var(--text3);margin-bottom:32px;
  max-width:var(--max-width);margin-left:auto;margin-right:auto;padding:0 24px;
}
.breadcrumb a{color:var(--text3)}
.breadcrumb a:hover{color:var(--text)}
.breadcrumb span{color:var(--text2)}

.review-hero-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:40px;
  display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.review-hero-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.3;
}
.review-icon-lg{
  width:72px;height:72px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:2rem;flex-shrink:0;
}
.review-hero-info h1{font-size:2rem;margin-bottom:4px}
.review-hero-tagline{font-size:1rem;color:var(--text2);margin-bottom:20px}
.review-score-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.review-score-big{font-family:var(--mono);font-size:2.8rem;font-weight:700;color:var(--accent)}
.review-score-bar{
  height:6px;background:var(--border);border-radius:3px;
  overflow:hidden;width:180px;
}
.review-score-fill{
  height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:3px;transition:width 1s ease;
}

/* ═══ LAYOUT ═══ */
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:80px 0}

.review-layout{
  max-width:var(--max-width);margin:0 auto;padding:48px 24px 80px;
  display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;
}
@media(max-width:900px){.review-layout{grid-template-columns:1fr}}

/* ═══ SIDEBAR ═══ */
.review-sidebar{position:sticky;top:calc(var(--nav-h) + 24px)}
.sidebar-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;margin-bottom:16px;
}
.sidebar-card h4{
  font-size:.8rem;color:var(--text3);text-transform:uppercase;
  letter-spacing:.05em;margin:0 0 16px;
}
.spec-list{list-style:none}
.spec-list li{
  display:flex;justify-content:space-between;
  padding:8px 0;border-bottom:1px solid var(--border);
  font-size:.9rem;
}
.spec-list li:last-child{border-bottom:none}
.spec-label{color:var(--text3)}
.spec-value{color:var(--text);font-weight:500}
.sidebar-cta{
  display:block;width:100%;background:var(--accent);color:var(--bg);
  text-align:center;padding:14px;border-radius:8px;
  font-weight:600;font-size:.95rem;text-decoration:none;
  margin-bottom:12px;transition:all .25s;
}
.sidebar-cta:hover{
  background:#33ffaa;transform:translateY(-2px);
  box-shadow:0 8px 30px var(--accent-glow);color:var(--bg);
}

/* ═══ PROS & CONS ═══ */
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
@media(max-width:600px){.pros-cons{grid-template-columns:1fr}}
.pros,.cons{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;
}
.pros h4{color:var(--accent);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px}
.cons h4{color:var(--red);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px}
.pros ul,.cons ul{list-style:none;padding:0}
.pros li,.cons li{font-size:.85rem;color:var(--text2);padding:5px 0 5px 20px;position:relative}
.pros li::before{content:'+';position:absolute;left:0;color:var(--accent);font-weight:700}
.cons li::before{content:'\2212';position:absolute;left:0;color:var(--red);font-weight:700}

/* ═══ SCORE BREAKDOWN ═══ */
.score-breakdown{margin:24px 0}
.score-item{display:flex;align-items:center;gap:12px;padding:7px 0}
.score-item-label{width:140px;font-size:.85rem;color:var(--text2)}
.score-item-bar{flex:1;height:8px;background:var(--border);border-radius:4px;overflow:hidden}
.score-item-fill{
  height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:4px;transition:width 1s ease;
}
.score-item-value{font-family:var(--mono);font-size:.85rem;color:var(--text);font-weight:600;width:36px;text-align:right}

/* ═══ PRICING CARDS ═══ */
.pricing-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;margin:24px 0;
}
.price-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:14px;padding:32px 28px;text-align:center;
  transition:all .3s;position:relative;
}
.price-card:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:0 8px 40px rgba(0,0,0,.3)}
.price-card.featured{border-color:var(--accent);box-shadow:0 0 50px var(--accent-glow)}
.price-card.featured::before{
  content:'BEST VALUE';position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:var(--bg);font-size:.65rem;font-weight:700;
  padding:4px 14px;border-radius:20px;letter-spacing:.05em;
}
.price-card h4{font-size:.85rem;color:var(--text3);text-transform:uppercase;letter-spacing:.05em;margin:0 0 8px}
.price-card .price{font-family:var(--mono);font-size:2.2rem;font-weight:800;color:var(--text);margin-bottom:4px}
.price-card .price-period{font-size:.8rem;color:var(--text3);margin-bottom:20px}
.price-card ul{list-style:none;text-align:left;margin-bottom:20px}
.price-card li{font-size:.82rem;color:var(--text2);padding:4px 0 4px 20px;position:relative}
.price-card li::before{content:'\2713';position:absolute;left:0;color:var(--accent);font-weight:700}
.price-card .btn{width:100%;justify-content:center}

/* ═══ COMPARISON TABLE ═══ */
.comp-table-wrap{
  overflow-x:auto;border:1px solid var(--border);
  border-radius:var(--radius);background:var(--bg2);
}
.comp-table{width:100%;border-collapse:collapse;font-size:.9rem}
.comp-table th{
  background:var(--bg3);padding:14px 18px;text-align:left;
  font-weight:600;border-bottom:1px solid var(--border);min-width:140px;
}
.comp-table th:first-child{color:var(--text3);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
.comp-table td{padding:12px 18px;border-bottom:1px solid var(--border);color:var(--text2)}
.comp-table tr:last-child td{border-bottom:none}
.comp-table .winner{color:var(--accent);font-weight:600}
.comp-table .btn-sm{
  display:inline-block;background:var(--accent);color:var(--bg);
  padding:6px 18px;border-radius:6px;font-weight:600;font-size:.82rem;text-decoration:none;
}
.comp-table .btn-sm:hover{background:#33ffaa;color:var(--bg)}

/* ═══ TOOL CARDS (for listing page) ═══ */
.tools-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;
}
.tool-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:14px;padding:28px;transition:all .3s;
  text-decoration:none;color:var(--text);display:flex;flex-direction:column;
}
.tool-card:hover{
  border-color:var(--accent);transform:translateY(-3px);
  box-shadow:0 8px 40px rgba(0,0,0,.3);
}
.tool-card.featured{border-width:1.5px;border-color:rgba(0,255,136,.4)}
.tool-card-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.tool-card-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;flex-shrink:0;
}
.tool-card-info h4{font-size:1rem;font-weight:700;margin-bottom:2px;margin-top:0}
.tool-card-info .tool-tagline{font-size:.78rem;color:var(--text3)}
.tool-card-rating{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.tool-card-score{font-family:var(--mono);font-size:1.4rem;font-weight:700;color:var(--accent)}
.tool-card-stars{color:#ffcc00;font-size:.85rem;letter-spacing:1px}
.tool-card-desc{font-size:.85rem;color:var(--text2);line-height:1.6;margin-bottom:16px;flex:1}
.tool-card-features{list-style:none;margin-bottom:16px}
.tool-card-features li{font-size:.82rem;color:var(--text2);padding:3px 0 3px 16px;position:relative}
.tool-card-features li::before{content:'\2713';position:absolute;left:0;color:var(--accent);font-weight:700;font-size:.75rem}
.tool-card .btn{width:100%;justify-content:center}

/* ═══ COMPARISON CARDS (for listing page) ═══ */
.comp-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:14px;padding:28px;text-decoration:none;color:var(--text);
  transition:all .3s;display:block;
}
.comp-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 40px rgba(0,0,0,.3)}
.comp-card h3{margin:0 0 8px;font-size:1.2rem}
.comp-card p{font-size:.9rem;color:var(--text2);margin-bottom:12px}

/* ═══ METHODOLOGY CARDS ═══ */
.method-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:14px;padding:28px;transition:all .3s;
}
.method-card:hover{border-color:var(--border2);transform:translateY(-2px)}
.method-card .method-icon{font-size:2rem;margin-bottom:12px}
.method-card h4{font-size:1rem;margin:0 0 8px}
.method-card p{font-size:.85rem;color:var(--text2)}

/* ═══ FOOTER ═══ */
.footer{
  border-top:1px solid var(--border);padding:48px 0 32px;margin-top:40px;
}
.footer-inner{
  max-width:var(--max-width);margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;align-items:start;
  flex-wrap:wrap;gap:32px;
}
.footer-brand p{font-size:.85rem;color:var(--text3);margin-top:12px;max-width:280px}
.footer-col h4{
  font-size:.8rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.05em;color:var(--text2);margin:0 0 16px;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:.85rem;color:var(--text3)}
.footer-col a:hover{color:var(--text)}
.footer-bottom{
  max-width:var(--max-width);margin:32px auto 0;padding:16px 24px 0;
  border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--text3);
}
.footer-bottom a{color:var(--text3)}
.footer-bottom a:hover{color:var(--text)}

/* ═══ CONTENT BODY ═══ */
.content-body ul,.content-body ol{color:var(--text2);padding-left:24px;margin:12px 0}
.content-body li{margin-bottom:6px;line-height:1.7}

/* ═══ DISCLAIMER ═══ */
.disclaimer{
  max-width:var(--max-width);margin:0 auto;padding:24px;
  font-size:.78rem;color:var(--text3);line-height:1.6;
}

/* ═══ ANIMATIONS ═══ */
.fade-in{opacity:0;transform:translateY(16px);animation:fadeInUp .5s ease forwards}
@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}
.d1{animation-delay:.1s}.d2{animation-delay:.2s}.d3{animation-delay:.3s}.d4{animation-delay:.4s}.d5{animation-delay:.5s}

/* Lang toggle */
.lang-toggle{background:var(--bg3);border:1px solid var(--border2);color:var(--text2);padding:4px 12px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font)}
.lang-toggle:hover{border-color:var(--accent);color:var(--accent)}

@media(max-width:768px){
  .nav-links{display:none}
  .review-hero-section{padding:80px 0 0}
  .review-layout{grid-template-columns:1fr;padding:24px 16px 60px}
  .review-hero-card{padding:28px}
  .review-score-row{gap:12px}
  .review-icon-lg{width:56px;height:56px;font-size:1.5rem}
  .review-hero-info h1{font-size:1.5rem}
}