/* ============================================
   Yakıt Hesaplayıcı — Premium Design System v2
   Senior Frontend Developer Grade
   ============================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#f8fafc;--bg-alt:#f1f5f9;--card:#ffffff;--card-elevated:#ffffff;
  --text:#0f172a;--text-secondary:#334155;--muted:#64748b;--muted-light:#94a3b8;
  --border:#e2e8f0;--border-light:#f1f5f9;
  --accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:rgba(37,99,235,.08);--accent-medium:rgba(37,99,235,.15);
  --accent2:#059669;--accent2-light:rgba(5,150,105,.08);
  --gradient-hero:linear-gradient(135deg,#1e40af 0%,#3b82f6 50%,#06b6d4 100%);
  --gradient-primary:linear-gradient(135deg,#2563eb,#1d4ed8);
  --gradient-accent:linear-gradient(135deg,#2563eb,#7c3aed);
  --gradient-warm:linear-gradient(135deg,#f59e0b,#ef4444);
  --shadow-xs:0 1px 2px rgba(0,0,0,.04);
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.04);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,.08),0 8px 10px -6px rgba(0,0,0,.04);
  --shadow-glow:0 0 20px rgba(37,99,235,.15);
  --radius:16px;--radius-md:12px;--radius-sm:8px;--radius-xs:6px;--radius-full:9999px;
  --header-h:68px;--container:1140px;--container-sm:720px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;
  --ease:cubic-bezier(.4,0,.2,1);--ease-bounce:cubic-bezier(.34,1.56,.64,1);
  --duration:.2s;--duration-md:.3s;--duration-lg:.5s;
}

[data-theme="dark"]{
  --bg:#0c1222;--bg-alt:#111827;--card:#1a2332;--card-elevated:#1e293b;
  --text:#f1f5f9;--text-secondary:#cbd5e1;--muted:#94a3b8;--muted-light:#64748b;
  --border:#1e293b;--border-light:#1e293b;
  --accent:#3b82f6;--accent-hover:#60a5fa;--accent-light:rgba(59,130,246,.12);--accent-medium:rgba(59,130,246,.2);
  --accent2:#34d399;--accent2-light:rgba(52,211,153,.12);
  --gradient-hero:linear-gradient(135deg,#1e3a5f 0%,#1e40af 50%,#0e7490 100%);
  --shadow-xs:0 1px 2px rgba(0,0,0,.2);
  --shadow:0 1px 3px rgba(0,0,0,.3),0 1px 2px rgba(0,0,0,.2);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.35),0 2px 4px -2px rgba(0,0,0,.25);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.35),0 4px 6px -4px rgba(0,0,0,.2);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,.4),0 8px 10px -6px rgba(0,0,0,.25);
  --shadow-glow:0 0 30px rgba(59,130,246,.2);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;transition:background var(--duration-md) var(--ease),color var(--duration-md) var(--ease);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color var(--duration) var(--ease)}
a:hover{color:var(--accent-hover);text-decoration:underline}
::selection{background:var(--accent-medium);color:var(--text)}
.container{max-width:var(--container);margin:0 auto;padding:0 1.25rem}

/* --- Header --- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);border-bottom:1px solid var(--border);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);transition:all var(--duration-md) var(--ease)}
[data-theme="dark"] .site-header{background:rgba(26,35,50,.88)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{font-size:1.2rem;font-weight:800;color:var(--text);display:flex;align-items:center;gap:.5rem;white-space:nowrap;letter-spacing:-.01em}
.logo:hover{text-decoration:none;color:var(--accent)}
.main-nav{display:flex;gap:.25rem}
.main-nav a{padding:.5rem .875rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--muted);transition:all var(--duration) var(--ease);position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--accent);background:var(--accent-light);text-decoration:none}
.header-actions{display:flex;align-items:center;gap:.5rem}
.theme-toggle{background:var(--bg-alt);border:1px solid var(--border);width:40px;height:40px;border-radius:var(--radius-full);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--duration) var(--ease)}
.theme-toggle:hover{border-color:var(--accent);background:var(--accent-light);transform:rotate(15deg)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;position:relative;width:36px;height:36px;justify-content:center;align-items:center}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all var(--duration-md) var(--ease)}
@media(max-width:768px){
  .main-nav{position:fixed;top:var(--header-h);left:0;right:0;background:var(--card);border-bottom:1px solid var(--border);flex-direction:column;padding:1rem;transform:translateY(-120%);opacity:0;transition:all var(--duration-md) var(--ease);z-index:99;box-shadow:var(--shadow-lg)}
  .main-nav.open{transform:translateY(0);opacity:1}
  .main-nav a{padding:.875rem 1rem;font-size:1rem;border-radius:var(--radius-sm)}
  .menu-toggle{display:flex}
}

/* --- Hero v2 --- */
.hero{position:relative;text-align:center;padding:4rem 0 3rem;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:var(--gradient-hero);opacity:.04;pointer-events:none}
[data-theme="dark"] .hero::before{opacity:.08}
.hero-inner{position:relative;z-index:1}
.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:900;margin-bottom:.75rem;line-height:1.15;letter-spacing:-.02em;background:var(--gradient-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--muted);max-width:640px;margin:0 auto 2rem;line-height:1.6}
.hero-badge{display:inline-flex;align-items:center;gap:.375rem;background:var(--accent-light);color:var(--accent);padding:.375rem 1rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:600;margin-bottom:1.25rem;border:1px solid var(--accent-medium)}
.hero-stats{display:flex;justify-content:center;gap:2.5rem;margin-top:2rem;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .stat-number{font-size:1.75rem;font-weight:800;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stat .stat-label{font-size:.75rem;color:var(--muted);margin-top:.25rem;text-transform:uppercase;letter-spacing:.05em;font-weight:500}
.hero-features{display:flex;justify-content:center;gap:1rem;margin-top:2rem;flex-wrap:wrap}
.hero-feature{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--text-secondary);font-weight:500}
.hero-feature .feature-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1rem;background:var(--accent-light)}

/* --- Calculator Tabs --- */
.calc-tabs{display:flex;gap:0;margin-bottom:1.5rem;background:var(--bg-alt);border-radius:var(--radius-sm);padding:4px;border:1px solid var(--border)}
.calc-tab{flex:1;padding:.75rem 1rem;font-size:.9rem;font-weight:600;background:none;border:none;color:var(--muted);cursor:pointer;border-radius:var(--radius-xs);transition:all var(--duration) var(--ease);text-align:center}
.calc-tab:hover{color:var(--text)}
.calc-tab.active{color:var(--accent);background:var(--card);box-shadow:var(--shadow-xs)}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn .3s var(--ease)}

/* --- Cards --- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);transition:all var(--duration-md) var(--ease)}
.card-lg{padding:2rem}
.card:hover{box-shadow:var(--shadow-md)}
.card-elevated{background:var(--card-elevated);box-shadow:var(--shadow-md)}
.card-glow:hover{box-shadow:var(--shadow-glow)}

/* --- Form Elements --- */
.form-group{margin-bottom:1.25rem}
.form-label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.5rem;color:var(--text);letter-spacing:-.01em}
.form-hint{font-size:.75rem;color:var(--muted);margin-top:.375rem;line-height:1.4}
.form-input{width:100%;padding:.7rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;font-family:var(--font);background:var(--bg);color:var(--text);transition:all var(--duration) var(--ease)}
.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-medium)}
.form-input::placeholder{color:var(--muted-light)}
.form-input:hover{border-color:var(--muted-light)}
select.form-input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2364748b'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .875rem center}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}

/* --- Pills / Chips --- */
.pill-group{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.pill{padding:.4rem .9rem;border:1.5px solid var(--border);border-radius:var(--radius-full);font-size:.8rem;font-weight:600;cursor:pointer;background:var(--card);color:var(--muted);transition:all var(--duration) var(--ease);white-space:nowrap;user-select:none}
.pill:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.pill.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 8px rgba(37,99,235,.25)}

/* --- Toggle Switch --- */
.toggle-wrap{display:flex;align-items:center;gap:.75rem}
.toggle{position:relative;width:48px;height:26px;background:var(--border);border-radius:13px;cursor:pointer;transition:background var(--duration) var(--ease)}
.toggle.active{background:var(--accent)}
.toggle::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform var(--duration-md) var(--ease-bounce);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.toggle.active::after{transform:translateX(22px)}
.toggle-label{font-size:.9rem;font-weight:500}

/* --- Accordion --- */
.accordion-item{border:1.5px solid var(--border);border-radius:var(--radius-sm);margin-bottom:.5rem;overflow:hidden;transition:border-color var(--duration) var(--ease)}
.accordion-item:hover{border-color:var(--muted-light)}
.accordion-item.open{border-color:var(--accent)}
.accordion-btn{width:100%;padding:.875rem 1rem;background:transparent;border:none;text-align:left;font-size:.925rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text);transition:all var(--duration) var(--ease)}
.accordion-btn:hover{color:var(--accent)}
.accordion-btn::after{content:'';width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform var(--duration-md) var(--ease);flex-shrink:0}
.accordion-item.open .accordion-btn::after{transform:rotate(-135deg)}
.accordion-body{max-height:0;overflow:hidden;transition:max-height var(--duration-md) var(--ease)}
.accordion-item.open .accordion-body{max-height:2000px}
.accordion-content{padding:0 1rem 1rem}

/* --- Result Cards --- */
.result-section{display:none;margin-top:1.5rem;animation:slideUp .4s var(--ease)}
.result-section.visible{display:block}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}
.result-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:1.25rem;text-align:center;transition:all var(--duration) var(--ease)}
.result-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.result-card.primary{background:var(--gradient-primary);color:#fff;border:none;box-shadow:0 4px 14px rgba(37,99,235,.3)}
[data-theme="dark"] .result-card.primary{background:linear-gradient(135deg,#2563eb,#1e40af);box-shadow:0 4px 14px rgba(37,99,235,.2)}
.result-card .result-value{font-size:1.65rem;font-weight:800;line-height:1.2;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.result-card .result-label{font-size:.78rem;margin-top:.375rem;opacity:.75;font-weight:500;text-transform:uppercase;letter-spacing:.03em}
.result-card.primary .result-label{color:rgba(255,255,255,.8)}
.result-breakdown{width:100%;border-collapse:collapse;margin-bottom:1.5rem;border-radius:var(--radius-sm);overflow:hidden}
.result-breakdown th,.result-breakdown td{padding:.7rem .875rem;text-align:left;font-size:.875rem}
.result-breakdown th{font-weight:600;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;background:var(--bg-alt);border-bottom:1.5px solid var(--border)}
.result-breakdown td{border-bottom:1px solid var(--border-light)}
.result-breakdown tr:last-child td{font-weight:700;border-bottom:none;background:var(--accent-light);color:var(--accent)}

/* --- Action Buttons --- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.35rem;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;cursor:pointer;font-family:var(--font);transition:all var(--duration) var(--ease);text-decoration:none;position:relative;overflow:hidden}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.3)}
.btn-primary:hover{box-shadow:0 4px 14px rgba(37,99,235,.35);color:#fff}
.btn-secondary{background:var(--card);color:var(--text);border:1.5px solid var(--border)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-accent2{background:linear-gradient(135deg,var(--accent2),#047857);color:#fff;box-shadow:0 2px 8px rgba(5,150,105,.3)}
.btn-accent2:hover{box-shadow:0 4px 14px rgba(5,150,105,.35);color:#fff}
.btn-lg{padding:.875rem 2rem;font-size:1rem;border-radius:var(--radius-md)}
.btn-sm{padding:.4rem .875rem;font-size:.8rem}
.btn-block{width:100%;justify-content:center}
.btn-group{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}

/* --- Slider --- */
.range-wrap{position:relative}
.range-wrap input[type=range]{width:100%;height:6px;-webkit-appearance:none;appearance:none;background:var(--border);border-radius:3px;outline:none;cursor:pointer}
.range-wrap input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;background:var(--accent);border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgba(37,99,235,.3);transition:transform var(--duration) var(--ease)}
.range-wrap input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}

/* --- Quick Chips Row --- */
.quick-chips{display:flex;flex-wrap:wrap;gap:.375rem;margin-top:.375rem}
.quick-chip{padding:.25rem .625rem;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-full);font-size:.75rem;cursor:pointer;color:var(--muted);transition:all var(--duration) var(--ease);font-weight:500}
.quick-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}

/* --- Routes Grid --- */
.routes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-top:1.5rem}
.route-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:1.25rem;transition:all var(--duration-md) var(--ease);display:flex;flex-direction:column;gap:.375rem;position:relative}
.route-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}
.route-card .route-cities{font-size:1rem;font-weight:700;color:var(--text);letter-spacing:-.01em}
.route-card .route-km{font-size:.82rem;color:var(--muted)}
.route-card .route-est{font-size:.8rem;color:var(--accent2);font-weight:600}
.route-card::after{content:'→';position:absolute;right:1rem;top:50%;transform:translateY(-50%);color:var(--muted-light);font-size:1.2rem;transition:all var(--duration) var(--ease)}
.route-card:hover::after{color:var(--accent);transform:translateY(-50%) translateX(4px)}

/* --- Guides Grid --- */
.guides-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem;margin-top:1.5rem}
.guide-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;transition:all var(--duration-md) var(--ease);position:relative}
.guide-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}
.guide-card h3{font-size:1rem;font-weight:700;margin-bottom:.5rem;color:var(--text);letter-spacing:-.01em}
.guide-card p{font-size:.85rem;color:var(--muted);line-height:1.55}
.guide-card .guide-tag{display:inline-block;padding:.15rem .5rem;background:var(--accent-light);color:var(--accent);border-radius:var(--radius-full);font-size:.7rem;font-weight:600;margin-bottom:.75rem}

/* --- FAQ --- */
.faq-list{max-width:800px;margin:0 auto}

/* --- Search --- */
.search-box{position:relative;max-width:560px;margin:0 auto}
.search-box input{width:100%;padding:.95rem 1rem .95rem 3rem;border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;background:var(--card);color:var(--text);transition:all var(--duration) var(--ease);box-shadow:var(--shadow)}
.search-box input:focus{outline:none;border-color:var(--accent);box-shadow:var(--shadow-glow)}
.search-box .search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:1.15rem}
.search-results{margin-top:1.5rem}
.search-result-item{padding:1.25rem;border-bottom:1px solid var(--border-light);transition:background var(--duration) var(--ease)}
.search-result-item:hover{background:var(--accent-light)}
.search-result-item:last-child{border-bottom:none}
.search-result-item h3{font-size:1rem;margin-bottom:.25rem}
.search-result-item p{font-size:.85rem;color:var(--muted)}
.search-filters{display:flex;gap:.5rem;margin:1rem auto 0;max-width:560px;justify-content:center}

/* --- Content Pages --- */
.page-header{padding:3rem 0 2rem;text-align:center;position:relative}
.page-header::before{content:'';position:absolute;inset:0;background:var(--gradient-hero);opacity:.03;pointer-events:none}
.page-header h1{font-size:clamp(1.5rem,3.5vw,2.25rem);font-weight:800;margin-bottom:.5rem;letter-spacing:-.02em;position:relative}
.page-header p{color:var(--muted);font-size:1.05rem;max-width:640px;margin:0 auto;position:relative}
.breadcrumb{display:flex;flex-wrap:wrap;gap:.375rem;font-size:.82rem;color:var(--muted);margin-bottom:1.5rem;padding:1rem 0 0}
.breadcrumb a{color:var(--muted);font-weight:500}
.breadcrumb a:hover{color:var(--accent);text-decoration:none}
.breadcrumb span{color:var(--muted-light)}

.content-body{max-width:800px;margin:0 auto;padding-bottom:3rem}
.content-body h2{font-size:1.4rem;font-weight:700;margin:2.5rem 0 .75rem;color:var(--text);letter-spacing:-.01em}
.content-body h3{font-size:1.15rem;font-weight:600;margin:1.75rem 0 .5rem}
.content-body p{margin-bottom:1rem;color:var(--text-secondary);line-height:1.8}
.content-body ul,.content-body ol{margin:0 0 1rem 1.5rem}
.content-body li{margin-bottom:.5rem;line-height:1.7;color:var(--text-secondary)}
.content-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}
.content-body th,.content-body td{padding:.7rem .875rem;text-align:left;font-size:.875rem}
.content-body th{background:var(--bg-alt);font-weight:600;border-bottom:1.5px solid var(--border)}
.content-body td{border-bottom:1px solid var(--border-light)}
.content-body blockquote{border-left:3px solid var(--accent);padding:.875rem 1.25rem;margin:1.5rem 0;background:var(--accent-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic;color:var(--text-secondary)}
.info-box{background:var(--accent-light);border:1.5px solid var(--accent);border-radius:var(--radius-sm);padding:1.1rem 1.25rem;margin:1.5rem 0;font-size:.9rem}
.info-box strong{display:block;margin-bottom:.25rem;color:var(--accent)}
.warning-box{background:#fef3c7;border:1.5px solid #f59e0b;border-radius:var(--radius-sm);padding:1.1rem 1.25rem;margin:1.5rem 0;font-size:.9rem}
[data-theme="dark"] .warning-box{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.5)}

/* --- Sections --- */
.section{padding:4rem 0}
.section-title{font-size:1.6rem;font-weight:800;margin-bottom:.5rem;letter-spacing:-.02em}
.section-sub{color:var(--muted);margin-bottom:1.5rem;font-size:1rem}
.section-alt{background:var(--bg-alt)}
.section-card{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* --- CTA Banner --- */
.cta-banner{background:var(--gradient-accent);color:#fff;border-radius:var(--radius);padding:2.5rem 2rem;text-align:center;margin:2rem 0;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-50%;right:-20%;width:200px;height:200px;background:rgba(255,255,255,.1);border-radius:50%;pointer-events:none}
.cta-banner h3{font-size:1.35rem;font-weight:700;margin-bottom:.5rem;position:relative}
.cta-banner p{opacity:.9;margin-bottom:1.25rem;position:relative}
.cta-banner .btn{background:#fff;color:var(--accent);font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.cta-banner .btn:hover{background:#f8fafc;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.2)}

/* --- Related Links --- */
.related-section{margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--border)}
.related-section h3{font-size:1.1rem;font-weight:700;margin-bottom:1rem}
.related-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem}
.related-link{display:flex;align-items:center;gap:.5rem;padding:.875rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;transition:all var(--duration) var(--ease)}
.related-link:hover{border-color:var(--accent);background:var(--accent-light);text-decoration:none;transform:translateX(4px)}
.related-link::before{content:'→';color:var(--muted-light);transition:color var(--duration) var(--ease)}
.related-link:hover::before{color:var(--accent)}

/* --- How It Works --- */
.how-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-top:2rem}
.how-step{text-align:center;padding:1.5rem 1rem;position:relative}
.how-step .step-num{width:40px;height:40px;border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;margin-bottom:1rem;box-shadow:0 2px 8px rgba(37,99,235,.3)}
.how-step h4{font-size:1rem;font-weight:700;margin-bottom:.375rem}
.how-step p{font-size:.85rem;color:var(--muted);line-height:1.5}

/* --- Feature Cards --- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;margin-top:2rem}
.feature-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;transition:all var(--duration-md) var(--ease)}
.feature-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.feature-card .feature-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:1rem;background:var(--accent-light)}
.feature-card h3{font-size:.95rem;font-weight:700;margin-bottom:.375rem;letter-spacing:-.01em}
.feature-card p{font-size:.82rem;color:var(--muted);line-height:1.5}

/* --- Trust Bar --- */
.trust-bar{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;padding:1.5rem 0;margin-top:1rem}
.trust-item{display:flex;align-items:center;gap:.5rem;font-size:.82rem;color:var(--muted);font-weight:500}
.trust-item .trust-icon{font-size:1.1rem}

/* --- Footer --- */
.site-footer{background:var(--card);border-top:1px solid var(--border);padding:3.5rem 0 2rem;margin-top:4rem}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:2rem;margin-bottom:2.5rem}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{font-size:.9rem;font-weight:700;margin-bottom:.875rem;color:var(--text)}
.footer-grid p{font-size:.82rem;color:var(--muted);line-height:1.65}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:.5rem}
.footer-grid a{font-size:.82rem;color:var(--muted);transition:color var(--duration) var(--ease)}
.footer-grid a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--border)}
.footer-bottom p{font-size:.78rem;color:var(--muted-light)}
.footer-bottom .disclaimer{font-style:italic;margin-top:.5rem;font-size:.72rem}

/* --- AdSense Containers --- */
.ad-slot{text-align:center;margin:2rem 0;min-height:90px;overflow:hidden;border-radius:var(--radius-sm)}
.ad-slot ins{display:block}

/* --- Utility --- */
.text-center{text-align:center}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}
.hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.fade-in{animation:fadeIn .4s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tag{display:inline-block;padding:.2rem .6rem;background:var(--accent-light);color:var(--accent);border-radius:var(--radius-full);font-size:.7rem;font-weight:600}
.divider{border:none;border-top:1px solid var(--border);margin:2rem 0}
.remember-toggle{margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--border)}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* --- Scenario Table --- */
.scenario-table{width:100%;border-collapse:collapse;margin:1rem 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}
.scenario-table th,.scenario-table td{padding:.6rem .875rem;font-size:.85rem;text-align:center}
.scenario-table th{background:var(--bg-alt);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;border-bottom:1.5px solid var(--border)}
.scenario-table td{border-bottom:1px solid var(--border-light)}
.scenario-table td:first-child{text-align:left;font-weight:500}

/* --- Scroll to Top --- */
.scroll-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border-radius:var(--radius-full);background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 14px rgba(37,99,235,.35);opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--duration-md) var(--ease);z-index:50}
.scroll-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.scroll-top:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(37,99,235,.4)}

/* --- Cookie Consent Banner --- */
.cookie-consent{position:fixed;bottom:0;left:0;right:0;z-index:9999;background:var(--bg-card);border-top:1px solid var(--border);box-shadow:0 -4px 20px rgba(0,0,0,.12);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap;font-size:.85rem;line-height:1.5;animation:slideUp .4s var(--ease)}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.cookie-consent p{margin:0;color:var(--text);max-width:680px}
.cookie-consent a{color:var(--accent);text-decoration:underline}
.cookie-consent-buttons{display:flex;gap:.5rem;flex-shrink:0}
.cookie-consent .btn-accept{padding:.5rem 1.25rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.82rem;font-weight:600;cursor:pointer;transition:background var(--duration) var(--ease)}
.cookie-consent .btn-accept:hover{background:var(--accent-hover)}
.cookie-consent .btn-reject{padding:.5rem 1rem;background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.82rem;font-weight:500;cursor:pointer;transition:all var(--duration) var(--ease)}
.cookie-consent .btn-reject:hover{border-color:var(--text);color:var(--text)}
.cookie-consent.hidden{display:none}
@media(max-width:640px){.cookie-consent{flex-direction:column;text-align:center;padding:1rem}.cookie-consent-buttons{justify-content:center}}

/* --- In-Article Ad Slot --- */
.ad-slot-inline{text-align:center;margin:1.5rem 0;min-height:250px;overflow:hidden;border-radius:var(--radius-sm)}
.ad-slot-inline ins{display:block}

/* --- Print Stylesheet --- */
@media print{
  .site-header,.site-footer,.ad-slot,.btn-group,.calc-tabs,.form-group,.pill-group,.quick-chips,.toggle-wrap,.accordion-item,.cta-banner,.related-section,.search-box,.search-filters,.menu-toggle,.theme-toggle,.remember-toggle,.scroll-top,.hero-stats,.hero-features,.trust-bar,nav{display:none!important}
  body{background:#fff;color:#000;font-size:12pt}
  .result-section{display:block!important}
  .result-card.primary{background:#2563eb!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .card{box-shadow:none;border:1px solid #ddd}
  .container{max-width:100%}
  @page{margin:2cm}
}