/* ══════════════════════════════════════════
   TUS Puan Hesaplama — Premium Design V3
   ══════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  --primary:    #1a3356;
  --primary-l:  #254470;
  --primary-d:  #0f1e33;
  --accent:     #e11d48;
  --accent-l:   #fb7185;
  --teal:       #0d9488;
  --teal-l:     #5eead4;

  --bg:         #f0f4f8;
  --surface:    #ffffff;
  --text:       #0f172a;
  --text-2:     #334155;
  --text-muted: #64748b;
  --border:     #e2e8f0;

  --success:    #10b981;
  --warning:    #f59e0b;
  --danger:     #ef4444;

  --radius:     20px;
  --radius-sm:  12px;
  --radius-xs:  8px;

  --shadow-sm:  0 1px 3px rgba(15,30,51,.06), 0 1px 2px rgba(15,30,51,.04);
  --shadow-md:  0 4px 14px rgba(15,30,51,.08), 0 2px 6px rgba(15,30,51,.05);
  --shadow-lg:  0 12px 36px rgba(15,30,51,.10), 0 4px 12px rgba(15,30,51,.06);
  --shadow-xl:  0 20px 50px rgba(15,30,51,.12), 0 8px 22px rgba(15,30,51,.07);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  min-height:100vh;
  display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;
}

/* ── Ambient Background ── */
body::before,body::after{
  content:'';position:fixed;border-radius:50%;z-index:-1;
  filter:blur(120px);opacity:.45;pointer-events:none;
}
body::before{
  width:600px;height:600px;top:-120px;left:-100px;
  background:radial-gradient(circle,rgba(26,51,86,.18),transparent 70%);
}
body::after{
  width:500px;height:500px;bottom:0;right:-60px;
  background:radial-gradient(circle,rgba(225,29,72,.08),transparent 70%);
}

/* ═══════════════  NAVIGATION  ═══════════════ */
.top-nav{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(226,232,240,.6);
  padding:0 24px;
}
.nav-inner{
  max-width:1140px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.logo{
  display:flex;align-items:center;gap:10px;text-decoration:none;
  font-weight:800;font-size:1.15rem;color:var(--primary);
}
.nav-links{display:flex;gap:6px;}
.nav-links a{
  text-decoration:none;font-weight:600;font-size:.9rem;
  padding:8px 16px;border-radius:999px;
  color:var(--text-muted);transition:all .2s;
}
.nav-links a:hover{color:var(--primary);background:rgba(26,51,86,.06);}
.nav-links a.active{color:#fff;background:var(--primary);box-shadow:0 2px 10px rgba(26,51,86,.25);}
.hamburger{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:4px;}

/* ═══════════════  HERO  ═══════════════ */
.hero{
  position:relative;overflow:hidden;
  padding:72px 24px 56px;text-align:center;
}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(135deg,rgba(26,51,86,.04) 0%,transparent 50%),
    linear-gradient(225deg,rgba(225,29,72,.03) 0%,transparent 50%);
}
.hero-content{max-width:680px;margin:0 auto;}
.hero-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(225,29,72,.08);color:var(--accent);
  font-size:.72rem;font-weight:800;letter-spacing:.06em;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(2rem,5vw,3.2rem);font-weight:900;
  color:var(--primary-d);letter-spacing:-.03em;
  line-height:1.15;margin-bottom:16px;
}
.gradient-text{
  background:linear-gradient(135deg,var(--primary) 0%,var(--teal) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  font-size:.92rem;color:var(--text-muted);max-width:680px;margin:0 auto;line-height:1.6;
  font-family:'JetBrains Mono','Inter',monospace;letter-spacing:-.01em;
}

/* ═══════════════  PERIOD BAR  ═══════════════ */
.period-bar{
  max-width:1140px;margin:-12px auto 28px;padding:0 24px;
}
.period-inner{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:14px 20px;
  box-shadow:var(--shadow-sm);
}
.period-label{
  display:flex;align-items:center;gap:8px;
  font-weight:700;font-size:.9rem;color:var(--text-2);
}
.period-pills{display:flex;gap:6px;flex-wrap:wrap;}
.pill{
  padding:7px 14px;border-radius:999px;border:1.5px solid var(--border);
  background:transparent;font-family:inherit;font-weight:700;font-size:.82rem;
  color:var(--text-muted);cursor:pointer;transition:all .2s;white-space:nowrap;
}
.pill:hover{border-color:var(--primary);color:var(--primary);}
.pill.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
  box-shadow:0 2px 10px rgba(26,51,86,.22);
}

/* ═══════════════  GRID  ═══════════════ */
.main-wrap{max-width:1140px;margin:0 auto;padding:0 24px 60px;flex-grow:1;width:100%;}
.calc-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start;}

/* ═══════════════  GLASS CARD  ═══════════════ */
.glass-card{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(226,232,240,.7);
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  padding:28px;
  transition:box-shadow .3s;
}
.glass-card:hover{box-shadow:var(--shadow-xl);}

/* ═══════════════  INPUT CARD  ═══════════════ */
.input-card{display:flex;flex-direction:column;gap:0;}

/* Section Block */
.section-block{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:22px;margin-bottom:18px;
  background:#fafbfc;
  transition:border-color .2s;
}
.section-block:focus-within{border-color:rgba(26,51,86,.25);}
.section-head{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.section-icon{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.temel-icon{background:rgba(26,51,86,.08);color:var(--primary);}
.klinik-icon{background:rgba(13,148,136,.08);color:var(--teal);}
.section-head h3{font-size:1.05rem;font-weight:700;color:var(--text);flex:1;}
.q-badge{
  font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px;
  background:var(--border);color:var(--text-muted);
}

/* Input Row — 4 columns (Doğru, Yanlış, Boş, Net) */
.input-row-4{display:grid;grid-template-columns:1fr 1fr auto auto;gap:12px;align-items:end;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);}

/* Stepper */
.stepper{
  display:flex;align-items:stretch;
  border:2px solid var(--border);border-radius:var(--radius-xs);
  overflow:hidden;background:#fff;transition:all .2s;
  height:46px;
}
.stepper:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,51,86,.08);}
.correct .stepper:focus-within{border-color:var(--success);box-shadow:0 0 0 3px rgba(16,185,129,.1);}
.wrong .stepper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(225,29,72,.08);}

.s-btn{
  width:38px;display:flex;align-items:center;justify-content:center;
  background:#f8fafc;border:none;
  font-size:1.15rem;font-weight:700;color:var(--text-muted);
  cursor:pointer;transition:all .15s;user-select:none;
}
.s-btn:hover{background:#e2e8f0;color:var(--primary);}
.s-btn:active{background:#cbd5e1;transform:scale(.92);}

.stepper input{
  flex:1;border:none;text-align:center;
  font-size:1.05rem;font-weight:700;font-family:'JetBrains Mono',monospace;
  color:var(--text);outline:none;
  -moz-appearance:textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}

/* Net Box */
.net-box{
  height:46px;width:72px;border-radius:var(--radius-xs);
  background:linear-gradient(135deg,#eef2f7,#e2e8f0);
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;font-weight:800;color:var(--primary);
  font-family:'JetBrains Mono',monospace;
  border:1px solid transparent;
}

/* Boş Box */
.bos-box{
  height:46px;width:52px;border-radius:var(--radius-xs);
  background:rgba(100,116,139,.06);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:700;color:var(--text-muted);
  font-family:'JetBrains Mono',monospace;
  border:1px solid rgba(226,232,240,.5);
}

/* Formula Disclaimer */
.formula-note{
  margin-top:16px;padding:14px 16px;
  background:rgba(26,51,86,.03);border:1px solid rgba(26,51,86,.08);
  border-radius:var(--radius-sm);
  font-size:.78rem;color:var(--text-muted);line-height:1.6;
}
.formula-note strong{color:var(--text-2);}
.formula-note em{display:block;margin-top:6px;font-size:.74rem;color:var(--warning);}

/* ── Toggle Switch ── */
.deduction-toggle{
  display:flex;align-items:center;gap:14px;cursor:pointer;
  padding:14px 18px;margin-bottom:18px;
  border:1px dashed rgba(225,29,72,.25);border-radius:var(--radius-sm);
  background:rgba(225,29,72,.02);user-select:none;
  transition:background .2s;
}
.deduction-toggle:hover{background:rgba(225,29,72,.04);}
.deduction-toggle input{position:absolute;opacity:0;width:0;height:0;}

.toggle-track{
  position:relative;width:44px;height:24px;flex-shrink:0;
  background:#cbd5e1;border-radius:999px;transition:background .25s;
}
.toggle-thumb{
  position:absolute;top:2px;left:2px;width:20px;height:20px;
  background:#fff;border-radius:50%;
  box-shadow:0 1px 3px rgba(0,0,0,.15);
  transition:transform .25s cubic-bezier(.4,.0,.2,1);
}
.deduction-toggle input:checked ~ .toggle-track{background:var(--accent);}
.deduction-toggle input:checked ~ .toggle-track .toggle-thumb{transform:translateX(20px);}

.toggle-label strong{display:block;font-size:.9rem;color:var(--text);margin-bottom:1px;}
.toggle-label small{font-size:.78rem;color:var(--text-muted);line-height:1.3;}

/* ── Target Controls ── */
.target-panel{
  display:grid;grid-template-columns:1fr 1.35fr;gap:12px;
  padding:14px;margin-bottom:14px;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-sm);
}
.target-field{display:grid;gap:6px;}
.target-field label{
  font-size:.76rem;font-weight:800;text-transform:uppercase;
  letter-spacing:.04em;color:var(--text-muted);
}
.target-field input,.target-field select{
  height:44px;border:2px solid var(--border);border-radius:var(--radius-xs);
  padding:0 12px;background:#fff;color:var(--text);
  font:700 .92rem 'Inter',system-ui,sans-serif;outline:none;
}
.target-field input:focus,.target-field select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,51,86,.08);
}
.preset-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.preset-row button{
  min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--border);
  background:#fff;color:var(--text-2);font:700 .8rem 'Inter',system-ui,sans-serif;
  cursor:pointer;transition:all .2s;
}
.preset-row button:hover{border-color:var(--primary);color:var(--primary);background:rgba(26,51,86,.04);}

/* ── Calc Button ── */
.calc-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;padding:16px;border:none;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-l) 100%);
  color:#fff;font-family:inherit;font-size:1rem;font-weight:800;
  letter-spacing:.03em;cursor:pointer;
  box-shadow:0 4px 14px rgba(26,51,86,.22);
  transition:all .25s;
}
.calc-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(26,51,86,.3);
  background:linear-gradient(135deg,var(--primary-l) 0%,var(--primary) 100%);
}
.calc-btn:active{transform:translateY(0);box-shadow:0 2px 8px rgba(26,51,86,.2);}

/* ═══════════════  RESULTS AREA  ═══════════════ */
.results-area{display:flex;flex-direction:column;gap:20px;}

/* ── Donut Card ── */
.donut-card{
  display:flex;align-items:center;gap:28px;
  background:linear-gradient(135deg,var(--primary-d) 0%,var(--primary) 60%,var(--primary-l) 100%);
  color:#fff;border:none;
}
.donut-card:hover{box-shadow:var(--shadow-xl);}

.donut-wrap{position:relative;width:120px;height:120px;flex-shrink:0;}
.donut-svg{width:100%;height:100%;transform:rotate(-90deg);}
.donut-bg{fill:none;stroke:rgba(255,255,255,.15);stroke-width:3;}
.donut-ring{
  fill:none;stroke-width:3;stroke-linecap:round;
  stroke:var(--teal-l);
  transition:stroke-dasharray .8s cubic-bezier(.4,0,.2,1),stroke .4s;
}
.donut-center{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.donut-pct{font-size:1.55rem;font-weight:900;font-family:'JetBrains Mono',monospace;line-height:1;}
.donut-label{font-size:.7rem;font-weight:600;opacity:.7;margin-top:2px;}

.donut-info{flex:1;display:flex;flex-direction:column;gap:10px;}
.donut-stat{display:flex;justify-content:space-between;align-items:center;}
.stat-label{font-size:.85rem;font-weight:500;opacity:.75;}
.stat-value{font-size:1.35rem;font-weight:800;font-family:'JetBrains Mono',monospace;}

/* Baraj Badge */
.baraj-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:.8rem;font-weight:800;margin-top:4px;
  width:fit-content;
}
.baraj-badge.neutral{background:rgba(255,255,255,.12);color:rgba(255,255,255,.7);}
.baraj-badge.success{background:rgba(16,185,129,.18);color:#6ee7b7;}
.baraj-badge.danger{background:rgba(239,68,68,.18);color:#fca5a5;}

/* ── Score Cards ── */
.score-card{position:relative;overflow:hidden;padding:24px 24px 20px;}
.score-card::before{
  content:'';position:absolute;top:0;left:0;bottom:0;width:5px;
  border-radius:0 4px 4px 0;
}
.k-card::before{background:linear-gradient(180deg,var(--primary),var(--primary-l));}
.t-card::before{background:linear-gradient(180deg,var(--teal),var(--success));}

.sc-header{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.sc-dot{width:10px;height:10px;border-radius:50%;}
.k-dot{background:var(--primary);}
.t-dot{background:var(--teal);}
.sc-type{font-weight:800;font-size:1rem;color:var(--text);}
.sc-tag{
  font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:999px;
  background:rgba(100,116,139,.08);color:var(--text-muted);margin-left:auto;
}

.sc-score{
  font-size:3rem;font-weight:900;line-height:1;
  color:var(--text);letter-spacing:-.03em;
  font-family:'JetBrains Mono','Inter',monospace;
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}

.sc-rank-row{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-xs);
  background:#f1f5f9;font-size:.88rem;color:var(--text-2);
  margin-bottom:10px;
}
.sc-rank-row strong{color:var(--primary);font-weight:800;font-size:.95rem;}
.sc-desc{font-size:.82rem;color:var(--text-muted);line-height:1.45;}

/* ── Analysis ── */
.analysis-card{padding:22px;}
.analysis-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px;}
.analysis-head span{font-weight:900;color:var(--text);font-size:1rem;}
.analysis-head strong{font-size:.78rem;color:var(--primary);background:rgba(26,51,86,.06);border-radius:999px;padding:5px 10px;}
.analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px;}
.analysis-grid div{
  padding:12px;border-radius:var(--radius-xs);
  background:#f8fafc;border:1px solid var(--border);
}
.analysis-grid span{
  display:block;font-size:.72rem;font-weight:800;letter-spacing:.04em;
  text-transform:uppercase;color:var(--text-muted);margin-bottom:4px;
}
.analysis-grid strong{font:800 1rem 'JetBrains Mono','Inter',monospace;color:var(--primary);}
.analysis-note{font-size:.84rem;color:var(--text-muted);line-height:1.55;}

/* ── SEO FAQ ── */
.seo-faq{
  width:min(1180px,calc(100% - 32px));
  margin:6px auto 34px;
  padding:24px;
}
.seo-faq h2{
  margin:0 0 14px;
  color:var(--text);
  font-size:1.15rem;
  line-height:1.3;
}
.seo-faq details{
  border-top:1px solid var(--border);
  padding:14px 0;
}
.seo-faq details:last-child{padding-bottom:0;}
.seo-faq summary{
  cursor:pointer;
  color:var(--text);
  font-weight:800;
  line-height:1.35;
}
.seo-faq p{
  margin:10px 0 0;
  color:var(--text-muted);
  line-height:1.65;
}

/* ═══════════════  FOOTER  ═══════════════ */
.footer{
  background:var(--surface);border-top:1px solid var(--border);
  padding:24px;text-align:center;margin-top:auto;
}
.footer p{font-size:.82rem;color:var(--text-muted);}
.footer a{color:var(--primary);font-weight:700;text-decoration:none;}
.footer a:hover{text-decoration:underline;}

/* ═══════════════  ANIMATIONS  ═══════════════ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:translateY(0)}
}
.score-card.pop{animation:fadeUp .45s cubic-bezier(.16,1,.3,1);}

/* ═══════════════  RESPONSIVE  ═══════════════ */
@media(max-width:900px){
  .calc-grid{grid-template-columns:1fr;}
}
@media(max-width:640px){
  .hero h1{font-size:2rem;}
  .glass-card{padding:20px;}
  .input-row{grid-template-columns:1fr 1fr;gap:10px;}
  .net-field{grid-column:1/-1;}
  .sc-score{font-size:2.2rem;}
  .donut-card{flex-direction:column;text-align:center;}
  .donut-info{align-items:center;}
  .period-pills{flex-wrap:wrap;}
  .target-panel{grid-template-columns:1fr;}
  .analysis-grid{grid-template-columns:1fr;}

  .input-row-4{grid-template-columns:1fr 1fr;gap:8px;}
  .bos-field,.net-field{grid-column:span 1;}
  .bos-box,.net-box{width:100%;}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:rgba(255,255,255,.96);backdrop-filter:blur(14px);
    flex-direction:column;padding:12px 20px;gap:4px;
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-md);
  }
  .nav-links.open{display:flex;}
  .hamburger{display:block;}
}