/* =============================================
   Kredi Taksit Hesaplayıcı – Premium UI
   Senior Frontend Developer Level
   ============================================= */

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

/* ---------- Design Tokens ---------- */
:root{
  /* Colors */
  --bg:#f0f4f8;
  --bg-alt:#e2e8f0;
  --card:#ffffff;
  --card-glass:rgba(255,255,255,.72);
  --text:#0f172a;
  --text-secondary:#475569;
  --muted:#94a3b8;
  --border:rgba(148,163,184,.25);
  --border-strong:rgba(148,163,184,.4);

  /* Accent system */
  --accent-50:#eff6ff;
  --accent-100:#dbeafe;
  --accent-200:#bfdbfe;
  --accent-400:#60a5fa;
  --accent-500:#3b82f6;
  --accent-600:#2563eb;
  --accent-700:#1d4ed8;
  --accent-800:#1e40af;
  --accent-900:#1e3a5f;

  --purple-400:#a78bfa;
  --purple-500:#8b5cf6;
  --purple-600:#7c3aed;

  --emerald-400:#34d399;
  --emerald-500:#10b981;
  --emerald-600:#059669;

  --red-400:#f87171;
  --red-500:#ef4444;
  --red-600:#dc2626;

  --amber-400:#fbbf24;
  --amber-500:#f59e0b;
  --amber-600:#d97706;

  /* Gradients */
  --grad-hero:linear-gradient(135deg,#1e3a5f 0%,#2563eb 50%,#7c3aed 100%);
  --grad-accent:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);
  --grad-card:linear-gradient(145deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.6) 100%);
  --grad-result:linear-gradient(135deg,#1e40af 0%,#7c3aed 50%,#2563eb 100%);
  --grad-cta:linear-gradient(135deg,#2563eb 0%,#8b5cf6 100%);
  --grad-footer:linear-gradient(180deg,var(--bg) 0%,#dbeafe 100%);

  /* Shadows */
  --shadow-xs:0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:0 1px 3px rgba(0,0,0,.07),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);
  --shadow-card:0 1px 3px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.05);
  --shadow-card-hover:0 8px 32px rgba(0,0,0,.1),0 2px 8px rgba(0,0,0,.06);

  /* Geometry */
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:16px;
  --radius-xl:24px;
  --radius-full:9999px;

  /* Transitions */
  --ease:cubic-bezier(.4,0,.2,1);
  --duration:.25s;
  --duration-slow:.4s;

  /* Layout */
  --max-w:1180px;
  --header-h:64px;

  /* Fonts */
  --font-sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:"SF Mono","Fira Code",Consolas,monospace;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"]{
  --bg:#0b1120;
  --bg-alt:#131c31;
  --card:#162032;
  --card-glass:rgba(22,32,50,.78);
  --text:#e8ecf1;
  --text-secondary:#94a3b8;
  --muted:#64748b;
  --border:rgba(100,116,139,.2);
  --border-strong:rgba(100,116,139,.35);
  --shadow-xs:0 1px 2px rgba(0,0,0,.2);
  --shadow-sm:0 1px 3px rgba(0,0,0,.25);
  --shadow-md:0 4px 6px rgba(0,0,0,.25);
  --shadow-lg:0 10px 15px rgba(0,0,0,.3);
  --shadow-xl:0 20px 25px rgba(0,0,0,.35);
  --shadow-glow:0 0 30px rgba(96,165,250,.12);
  --shadow-card:0 2px 8px rgba(0,0,0,.3);
  --shadow-card-hover:0 8px 32px rgba(0,0,0,.4);
  --grad-card:linear-gradient(145deg,rgba(22,32,50,.95) 0%,rgba(22,32,50,.8) 100%);
  --grad-footer:linear-gradient(180deg,var(--bg) 0%,#0d1526 100%);
}

/* ---------- Base ---------- */
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  transition:background var(--duration) var(--ease),color var(--duration) var(--ease);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
::selection{background:var(--accent-200);color:var(--accent-900)}
[data-theme="dark"] ::selection{background:var(--accent-800);color:var(--accent-100)}

a{color:var(--accent-600);text-decoration:none;transition:color var(--duration) var(--ease)}
a:hover{color:var(--purple-600)}
[data-theme="dark"] a{color:var(--accent-400)}
[data-theme="dark"] a:hover{color:var(--purple-400)}
img{max-width:100%;height:auto;display:block}

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text);letter-spacing:-.02em}
h1{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800}
h2{font-size:clamp(1.35rem,3vw,1.85rem)}
h3{font-size:clamp(1.1rem,2.5vw,1.35rem)}

/* ---------- Layout ---------- */
.container{max-width:var(--max-w);margin:0 auto;padding:0 1.25rem}
.page-wrap{min-height:100vh;display:flex;flex-direction:column}
.page-wrap>main{flex:1}

/* ---------- Animations ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideDown{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse-soft{0%,100%{opacity:1}50%{opacity:.7}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

.animate-fade-up{animation:fadeUp .6s var(--ease) both}
.animate-fade-in{animation:fadeIn .5s var(--ease) both}
.delay-1{animation-delay:.1s}
.delay-2{animation-delay:.2s}
.delay-3{animation-delay:.3s}
.delay-4{animation-delay:.4s}

/* ---------- Header ---------- */
.site-header{
  background:var(--card-glass);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-bottom:1px solid var(--border);
  padding:0;
  position:sticky;
  top:0;
  z-index:100;
  height:var(--header-h);
  display:flex;
  align-items:center;
  transition:box-shadow var(--duration) var(--ease),background var(--duration) var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%}

.site-logo{
  font-size:1.15rem;
  font-weight:800;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:.6rem;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.site-logo:hover{text-decoration:none;color:var(--accent-600)}
.logo-icon{
  width:36px;height:36px;
  background:var(--grad-accent);
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.1rem;font-weight:800;
  box-shadow:0 2px 8px rgba(37,99,235,.25);
  transition:transform var(--duration) var(--ease);
}
.site-logo:hover .logo-icon{transform:scale(1.08) rotate(-3deg)}

/* Nav */
.main-nav{display:flex;align-items:center;gap:.15rem}
.main-nav a{
  padding:.45rem .8rem;
  border-radius:var(--radius-sm);
  font-size:.88rem;
  font-weight:500;
  color:var(--text-secondary);
  transition:all var(--duration) var(--ease);
  position:relative;
}
.main-nav a:hover,.main-nav a.active{
  background:var(--accent-50);
  color:var(--accent-700);
  text-decoration:none;
}
[data-theme="dark"] .main-nav a:hover,
[data-theme="dark"] .main-nav a.active{
  background:rgba(59,130,246,.1);
  color:var(--accent-400);
}

.header-actions{display:flex;align-items:center;gap:.5rem}

/* Mobile nav */
.nav-toggle{
  display:none;
  background:none;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);padding:.4rem .6rem;
  cursor:pointer;color:var(--text);font-size:1.1rem;
  transition:all var(--duration) var(--ease);
}
.nav-toggle:hover{background:var(--accent-50);border-color:var(--accent-400)}
@media(max-width:860px){
  .nav-toggle{display:flex}
  .main-nav{
    display:none;position:absolute;top:var(--header-h);left:0;right:0;
    background:var(--card);border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;padding:.5rem;
    box-shadow:var(--shadow-lg);
    animation:slideDown .25s var(--ease);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:.7rem 1rem;border-radius:var(--radius-sm)}
}

/* Theme toggle */
.theme-btn{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:none;border:1px solid var(--border-strong);
  border-radius:var(--radius-full);
  cursor:pointer;color:var(--text);font-size:1.15rem;
  transition:all var(--duration) var(--ease);
}
.theme-btn:hover{
  background:var(--accent-50);
  border-color:var(--accent-400);
  transform:rotate(15deg);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:4.5rem 0 4rem;
  text-align:center;
  overflow:hidden;
  background:var(--grad-hero);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 50%,rgba(139,92,246,.25) 0%,transparent 50%),
             radial-gradient(ellipse at 70% 20%,rgba(96,165,250,.2) 0%,transparent 50%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:80px;
  background:linear-gradient(to top,var(--bg),transparent);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero h1{color:#fff;margin-bottom:1rem;font-size:clamp(1.85rem,5vw,3rem);text-shadow:0 2px 20px rgba(0,0,0,.15)}
.hero p{font-size:1.15rem;opacity:.9;max-width:620px;margin:0 auto 2rem;line-height:1.7}
.hero-badges{display:flex;justify-content:center;gap:.6rem;flex-wrap:wrap;margin-bottom:2rem}
.hero-badge{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.35rem .8rem;border-radius:var(--radius-full);
  background:rgba(255,255,255,.15);backdrop-filter:blur(8px);
  font-size:.82rem;font-weight:500;color:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.12);
}
.hero-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.7rem 1.5rem;border:none;border-radius:var(--radius-sm);
  font-size:.92rem;font-weight:600;cursor:pointer;
  font-family:var(--font-sans);
  transition:all var(--duration) var(--ease);
  text-decoration:none;
  position:relative;overflow:hidden;
}
.btn-primary{
  background:var(--grad-cta);color:#fff;
  box-shadow:0 2px 12px rgba(37,99,235,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(37,99,235,.35);
  color:#fff;text-decoration:none;
}
.btn-primary:active{transform:translateY(0)}
.btn-white{
  background:#fff;color:var(--accent-700);
  box-shadow:var(--shadow-md);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--accent-700);text-decoration:none}
.btn-secondary{
  background:var(--card);color:var(--accent-600);
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow-xs);
}
.btn-secondary:hover{
  border-color:var(--accent-400);
  background:var(--accent-50);
  text-decoration:none;
}
.btn-sm{padding:.42rem .9rem;font-size:.82rem}
.btn-lg{padding:.85rem 2rem;font-size:1rem}
.btn-danger{background:var(--red-500);color:#fff}
.btn-danger:hover{background:var(--red-600);color:#fff}
.btn-success{background:var(--emerald-500);color:#fff}
.btn-success:hover{background:var(--emerald-600);color:#fff}
.btn-block{width:100%;justify-content:center}
.btn-ghost{background:transparent;color:var(--text-secondary);border:none;padding:.5rem .75rem}
.btn-ghost:hover{color:var(--accent-600);background:var(--accent-50)}

/* ---------- Cards ---------- */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:1.75rem;
  box-shadow:var(--shadow-card);
  transition:all var(--duration) var(--ease);
  position:relative;
}
.card:hover{box-shadow:var(--shadow-card-hover)}
.card-glass{
  background:var(--card-glass);
  backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
}
.card-title{font-size:1.1rem;font-weight:700;margin-bottom:.75rem;letter-spacing:-.01em}
.card-grid{display:grid;gap:1.25rem}
.card-grid-2{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.card-grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card-grid-4{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}

/* Feature cards with icon */
.feature-card{text-align:center;padding:2rem 1.5rem}
.feature-card:hover{transform:translateY(-4px)}
.feature-icon{
  width:56px;height:56px;margin:0 auto 1rem;
  border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;
  background:var(--accent-50);
  color:var(--accent-600);
  transition:all var(--duration) var(--ease);
}
.feature-card:hover .feature-icon{
  background:var(--grad-accent);color:#fff;
  transform:scale(1.1);
  box-shadow:0 4px 16px rgba(37,99,235,.3);
}
.feature-card h3{font-size:1.05rem;margin-bottom:.5rem}
.feature-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.6}

/* Stat cards */
.stat-card{
  text-align:center;padding:1.5rem;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:var(--card);
}
.stat-value{font-size:2rem;font-weight:800;color:var(--accent-600);letter-spacing:-.03em}
.stat-label{font-size:.85rem;color:var(--text-secondary);margin-top:.25rem}

/* ---------- Form Elements ---------- */
.form-group{margin-bottom:1.1rem}
.form-group label{
  display:block;font-weight:600;font-size:.88rem;
  margin-bottom:.4rem;color:var(--text);
  letter-spacing:-.01em;
}
.form-group small{display:block;color:var(--muted);font-size:.78rem;margin-top:.25rem;line-height:1.5}
input[type="text"],input[type="number"],input[type="email"],input[type="search"],
textarea,select{
  width:100%;padding:.7rem 1rem;
  border:1.5px solid var(--border-strong);
  border-radius:var(--radius-sm);
  font-size:.95rem;font-family:var(--font-sans);
  background:var(--card);color:var(--text);
  transition:all var(--duration) var(--ease);
  appearance:none;
}
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:var(--accent-500);
  box-shadow:0 0 0 4px rgba(59,130,246,.12);
}
input.error{border-color:var(--red-500);box-shadow:0 0 0 4px rgba(239,68,68,.1)}
.error-msg{color:var(--red-500);font-size:.8rem;margin-top:.3rem;display:none;font-weight:500}
.error-msg.show{display:block;animation:slideDown .2s var(--ease)}
select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .8rem center;
  padding-right:2.2rem;
}

/* Toggle group */
.toggle-group{display:inline-flex;border:1.5px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg)}
.toggle-group button{
  padding:.5rem 1rem;border:none;
  background:transparent;color:var(--text-secondary);
  font-size:.83rem;font-weight:500;cursor:pointer;
  transition:all var(--duration) var(--ease);
  font-family:var(--font-sans);
  position:relative;
}
.toggle-group button.active{
  background:var(--accent-600);color:#fff;
  box-shadow:0 1px 4px rgba(37,99,235,.3);
}
[data-theme="dark"] .toggle-group button.active{background:var(--accent-500)}
.toggle-group button:not(:last-child){border-right:1px solid var(--border)}

/* Quick preset pills */
.pill-group{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.35rem}
.pill{
  padding:.32rem .7rem;
  border:1.5px solid var(--border-strong);
  border-radius:var(--radius-full);
  font-size:.78rem;font-weight:500;
  cursor:pointer;
  background:var(--card);color:var(--text-secondary);
  transition:all var(--duration) var(--ease);
}
.pill:hover,.pill.active{
  background:var(--accent-600);color:#fff;
  border-color:var(--accent-600);
  box-shadow:0 2px 6px rgba(37,99,235,.25);
}

/* ---------- Results ---------- */
.results-panel{
  background:var(--grad-result);
  background-size:200% 200%;
  animation:shimmer 8s ease infinite;
  color:#fff;
  border-radius:var(--radius-lg);
  padding:2rem;
  box-shadow:0 8px 32px rgba(30,64,175,.25);
  position:relative;
  overflow:hidden;
}
.results-panel::before{
  content:"";position:absolute;top:0;right:0;width:200px;height:200px;
  background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);
  pointer-events:none;
}
.results-panel h3{font-size:1rem;margin-bottom:1.25rem;opacity:.85;font-weight:600;color:#fff}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.25rem}
.result-item{text-align:center;padding:.5rem}
.result-item .label{font-size:.78rem;opacity:.75;margin-bottom:.35rem;font-weight:400}
.result-item .value{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;text-shadow:0 1px 4px rgba(0,0,0,.1)}
.result-item .value.small{font-size:1.1rem;font-weight:600}

/* ---------- Amortization Table ---------- */
.table-wrap{overflow-x:auto;margin-top:1rem;border-radius:var(--radius);border:1px solid var(--border);scrollbar-width:thin}
.table-wrap::-webkit-scrollbar{height:6px}
.table-wrap::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
table{width:100%;border-collapse:collapse;font-size:.86rem;font-variant-numeric:tabular-nums}
thead{background:var(--accent-600);color:#fff}
[data-theme="dark"] thead{background:var(--accent-800)}
thead th{padding:.65rem .85rem;text-align:left;font-weight:600;white-space:nowrap;position:sticky;top:0;z-index:1}
tbody tr{border-bottom:1px solid var(--border);transition:background var(--duration) var(--ease)}
tbody tr:hover{background:var(--accent-50)}
[data-theme="dark"] tbody tr:hover{background:rgba(59,130,246,.06)}
tbody td{padding:.5rem .85rem}
tbody tr:nth-child(even){background:rgba(0,0,0,.015)}
[data-theme="dark"] tbody tr:nth-child(even){background:rgba(255,255,255,.015)}
.table-summary{display:flex;gap:1.5rem;flex-wrap:wrap;margin-top:.75rem;font-size:.88rem;color:var(--text-secondary)}
.table-summary span{font-weight:600;color:var(--text)}

/* ---------- Comparison ---------- */
.compare-row{
  display:grid;grid-template-columns:1fr 1fr 1fr auto;
  gap:.75rem;align-items:end;
  padding:1rem;border:1.5px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:.6rem;background:var(--card);
  transition:all var(--duration) var(--ease);
}
.compare-row.highlight{
  border-color:var(--emerald-500);
  background:rgba(16,185,129,.04);
  box-shadow:0 0 0 3px rgba(16,185,129,.1);
}
@media(max-width:640px){.compare-row{grid-template-columns:1fr 1fr;gap:.6rem}}
.compare-results{margin-top:.5rem;font-size:.86rem;color:var(--text-secondary)}
.compare-results .val{color:var(--text);font-weight:700}
.badge{
  display:inline-flex;align-items:center;gap:.25rem;
  padding:.2rem .6rem;border-radius:var(--radius-full);
  font-size:.73rem;font-weight:600;
}
.badge-success{background:rgba(16,185,129,.1);color:var(--emerald-600)}
[data-theme="dark"] .badge-success{color:var(--emerald-400)}

/* ---------- Accordion ---------- */
.accordion{
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  margin-bottom:.5rem;
  transition:box-shadow var(--duration) var(--ease);
}
.accordion:hover{box-shadow:var(--shadow-sm)}
.accordion-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:.9rem 1.15rem;background:var(--card);
  cursor:pointer;font-weight:600;font-size:.93rem;
  border:none;width:100%;text-align:left;color:var(--text);
  font-family:var(--font-sans);
  transition:background var(--duration) var(--ease);
}
.accordion-header:hover{background:var(--accent-50)}
[data-theme="dark"] .accordion-header:hover{background:rgba(59,130,246,.06)}
.accordion-header .icon{
  transition:transform .3s var(--ease);
  font-size:1rem;opacity:.5;
}
.accordion.open .accordion-header .icon{transform:rotate(180deg)}
.accordion-body{
  max-height:0;overflow:hidden;
  transition:max-height .4s var(--ease);
}
.accordion.open .accordion-body{max-height:12000px}
.accordion-content{padding:1.15rem;border-top:1px solid var(--border)}

/* ---------- Disclaimer ---------- */
.disclaimer{
  background:rgba(245,158,11,.06);
  border:1px solid rgba(245,158,11,.2);
  border-left:3px solid var(--amber-500);
  border-radius:var(--radius-sm);
  padding:1rem 1.25rem;
  font-size:.85rem;
  color:var(--amber-600);
  margin:1.5rem 0;
  line-height:1.65;
}
[data-theme="dark"] .disclaimer{color:var(--amber-400);background:rgba(245,158,11,.04)}
.disclaimer strong{color:inherit}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:.3rem;
  font-size:.83rem;color:var(--muted);
  padding:.85rem 0;list-style:none;
}
.breadcrumb li{display:flex;align-items:center;gap:.3rem}
.breadcrumb li::after{content:"›";color:var(--muted);opacity:.5}
.breadcrumb li:last-child::after{display:none}
.breadcrumb li:last-child{color:var(--text-secondary);font-weight:500}
.breadcrumb a{color:var(--muted);transition:color var(--duration) var(--ease)}
.breadcrumb a:hover{color:var(--accent-600);text-decoration:none}

/* ---------- Sections ---------- */
.section{padding:3.5rem 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:clamp(1.35rem,3vw,1.85rem);font-weight:800;margin-bottom:.4rem;letter-spacing:-.02em}
.section-subtitle{color:var(--text-secondary);margin-bottom:1.75rem;font-size:1rem}
.section-header{text-align:center;margin-bottom:2.5rem}
.section-header .section-title{margin-bottom:.5rem}
.section-divider{
  width:48px;height:3px;
  background:var(--grad-accent);
  border-radius:2px;
  margin:1rem auto 0;
}

/* ---------- Article ---------- */
.article-content{max-width:760px;margin:0 auto;font-size:1.02rem;line-height:1.85}
.article-content h2{font-size:1.4rem;font-weight:700;margin:2.5rem 0 .85rem;color:var(--text)}
.article-content h3{font-size:1.15rem;font-weight:600;margin:1.75rem 0 .6rem}
.article-content p{margin-bottom:1.1rem;color:var(--text-secondary)}
.article-content ul,.article-content ol{margin:0 0 1.1rem 1.5rem;color:var(--text-secondary)}
.article-content li{margin-bottom:.4rem}
.article-content li strong{color:var(--text)}
.article-content blockquote{
  border-left:3px solid var(--accent-500);
  padding:.85rem 1.25rem;margin:1.25rem 0;
  background:var(--accent-50);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-style:italic;color:var(--text-secondary);
}
[data-theme="dark"] .article-content blockquote{background:rgba(59,130,246,.06)}

/* ---------- Search ---------- */
.search-box{position:relative;max-width:560px;margin:0 auto}
.search-box input{padding-left:3rem;border-radius:var(--radius-full);padding:.85rem 1.25rem .85rem 3rem;font-size:1rem}
.search-box .search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:1.1rem}
.search-results{margin-top:2rem}
.search-item{padding:1rem 0;border-bottom:1px solid var(--border)}
.search-item h3{font-size:1rem;margin-bottom:.25rem}
.search-item h3 a{font-weight:600}
.search-item p{font-size:.88rem;color:var(--text-secondary)}
.filter-chips{display:flex;gap:.5rem;justify-content:center;margin:1.25rem 0;flex-wrap:wrap}

/* ---------- Link Grid ---------- */
.link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.75rem}
.link-card{
  display:flex;align-items:center;gap:.5rem;
  padding:.9rem 1.15rem;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--card);
  transition:all var(--duration) var(--ease);
  font-size:.9rem;font-weight:500;color:var(--text);
}
.link-card:hover{
  border-color:var(--accent-400);
  box-shadow:var(--shadow-md);
  text-decoration:none;
  transform:translateY(-2px);
  color:var(--accent-600);
}
.link-card::before{content:"→";color:var(--accent-500);font-weight:600;flex-shrink:0;transition:transform var(--duration) var(--ease)}
.link-card:hover::before{transform:translateX(3px)}

/* ---------- CTA Banner ---------- */
.cta-banner{
  background:var(--grad-accent);
  color:#fff;
  border-radius:var(--radius-xl);
  padding:3rem 2rem;
  text-align:center;
  position:relative;overflow:hidden;
  box-shadow:0 8px 32px rgba(37,99,235,.2);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at top right,rgba(255,255,255,.1) 0%,transparent 50%);
}
.cta-banner h2{color:#fff;margin-bottom:.75rem;font-size:1.6rem}
.cta-banner p{opacity:.9;margin-bottom:1.5rem;max-width:500px;margin-left:auto;margin-right:auto}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--grad-footer);
  border-top:1px solid var(--border);
  padding:3rem 0 1.25rem;
  margin-top:3rem;
}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:2rem;margin-bottom:2rem}
@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-brand p{font-size:.88rem;color:var(--text-secondary);margin-top:.5rem;line-height:1.6;max-width:280px}
.footer-col h4{font-size:.82rem;font-weight:700;margin-bottom:.85rem;color:var(--text);text-transform:uppercase;letter-spacing:.05em}
.footer-col a{display:block;font-size:.88rem;color:var(--text-secondary);padding:.25rem 0;transition:all var(--duration) var(--ease)}
.footer-col a:hover{color:var(--accent-600);transform:translateX(3px);text-decoration:none}
.footer-bottom{
  text-align:center;font-size:.8rem;color:var(--muted);
  border-top:1px solid var(--border);padding-top:1.25rem;
}

/* ---------- Ad Slot ---------- */
.ad-slot{margin:2rem 0;text-align:center;min-height:90px;overflow:hidden;border-radius:var(--radius-sm)}
.ad-in-article{margin:1.5rem -0.5rem;min-height:250px}
.ad-multiplex{margin:2.5rem 0;min-height:200px}

/* ---------- Toast ---------- */
/* ---------- Cookie Consent ---------- */
.cookie-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:9999;
  background:var(--card);border-top:1px solid var(--border);
  box-shadow:0 -4px 20px rgba(0,0,0,.1);
  padding:1rem;
  transform:translateY(100%);
  transition:transform .4s var(--ease);
}
.cookie-bar.show{transform:translateY(0)}
.cookie-inner{
  max-width:var(--max-w);margin:0 auto;
  display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
  justify-content:space-between;
}
.cookie-inner p{font-size:.85rem;color:var(--text-secondary);margin:0;flex:1;min-width:200px;line-height:1.5}
.cookie-inner a{color:var(--accent-600);text-decoration:underline}
.cookie-accept{white-space:nowrap;flex-shrink:0}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:1.5rem;right:1.5rem;
  background:var(--text);color:var(--bg);
  padding:.75rem 1.25rem;border-radius:var(--radius);
  font-size:.9rem;font-weight:500;
  box-shadow:var(--shadow-xl);
  transform:translateY(120%);
  transition:transform .35s var(--ease);
  z-index:1000;
}
.toast.show{transform:translateY(0)}

/* Checkbox */
.checkbox-label{display:flex;align-items:center;gap:.5rem;font-size:.88rem;cursor:pointer;color:var(--text-secondary)}
.checkbox-label input{accent-color:var(--accent-600);width:16px;height:16px;border-radius:4px}

/* Tag / chip */
.tag{
  display:inline-block;padding:.18rem .55rem;
  border-radius:var(--radius-full);
  font-size:.73rem;font-weight:600;
  background:var(--accent-50);color:var(--accent-600);
  margin:.1rem;
}
[data-theme="dark"] .tag{background:rgba(59,130,246,.1);color:var(--accent-400)}

/* ---------- Numbers grid (home stats) ---------- */
.numbers-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;text-align:center}
.numbers-grid .num{font-size:1.6rem;font-weight:800;color:var(--accent-600);letter-spacing:-.03em}
.numbers-grid .num-label{font-size:.82rem;color:var(--text-secondary)}

/* ---------- How-it-works timeline ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}
.step{position:relative;text-align:center;padding:1.5rem 1rem}
.step::before{
  counter-increment:step;
  content:counter(step);
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;margin:0 auto 1rem;
  background:var(--grad-accent);color:#fff;
  border-radius:var(--radius-full);
  font-weight:800;font-size:1.05rem;
  box-shadow:0 3px 12px rgba(37,99,235,.25);
}
.step h3{font-size:1rem;margin-bottom:.4rem}
.step p{font-size:.88rem;color:var(--text-secondary)}

/* ---------- Testimonial style boxes ---------- */
.info-box{
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:1.5rem;background:var(--card);
  position:relative;
}
.info-box::before{
  content:"";position:absolute;top:0;left:1.5rem;right:1.5rem;height:3px;
  background:var(--grad-accent);border-radius:0 0 2px 2px;
}
.info-box h3{margin-top:.5rem}

/* ---------- Print ---------- */
@media print{
  .site-header,.site-footer,.ad-slot,.theme-btn,.nav-toggle,.btn,.no-print,.hero::before,.hero::after{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  .card{box-shadow:none;border:1px solid #ccc}
  .hero{background:#1e40af!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .results-panel{background:#333!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
}

/* ---------- Utilities ---------- */
.text-center{text-align:center}
.text-left{text-align:left}
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2.5rem}.mt-5{margin-top:3.5rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}
.gap-1{gap:.5rem}.gap-2{gap:1rem}
.flex{display:flex}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}
.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}
.w-full{width:100%}
.max-w-sm{max-width:420px}.max-w-md{max-width:560px}
.mx-auto{margin-left:auto;margin-right:auto}
.rounded-full{border-radius:var(--radius-full)}
.font-mono{font-family:var(--font-mono)}
.opacity-60{opacity:.6}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Responsive fine-tuning */
@media(max-width:640px){
  .hero{padding:3rem 0 2.5rem}
  .section{padding:2.5rem 0}
  .card{padding:1.25rem}
  .results-panel{padding:1.5rem}
  .result-grid{grid-template-columns:1fr 1fr}
  .result-item .value{font-size:1.2rem}
  .footer-grid{gap:1.5rem}
  .steps{gap:1rem}
  .link-grid{grid-template-columns:1fr}
}