/* ---------------------------------------------------
   yuzdesi.com — style.css
--------------------------------------------------- */

:root {
  --bg:      #f8fafc;
  --surface: #ffffff;
  --txt:     #0f172a;
  --muted:   #64748b;
  --accent:  #2563eb;
  --accent2: #1d4ed8;
  --border:  #e2e8f0;
  --hover:   #f1f5f9;
  --green:   #16a34a;
  --radius:  10px;
  --shadow:  0 2px 12px rgba(0,0,0,.07);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.65;
  font-size: 15px;
}
a { color: var(--accent); text-decoration: none; transition: color .18s; }
a:hover { color: var(--accent2); text-decoration: underline; }

/* -- Header --------------------------------------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -.5px;
}
.site-logo span { color: var(--txt); }
.site-logo img{height:40px;}
.site-nav a {
  font-size: .87rem;
  color: var(--muted);
  margin-left: 18px;
  font-weight: 500;
}
.site-nav a:hover { color: var(--accent); text-decoration: none; }

/* -- Breadcrumb ------------------------------------ */
.bc-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.bc-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: .82rem;
  color: var(--muted);
}
.bc-inner a { color: var(--muted); }
.bc-inner a:hover { color: var(--accent); text-decoration: none; }
.bc-sep { color: #94a3b8; margin: 0 2px; }

/* -- Wrap ------------------------------------------ */
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

/* -- INDEX HERO ------------------------------------ */
.idx-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 55%, #3b82f6 100%);
  padding: 70px 20px 78px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.idx-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}
.idx-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.idx-hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 22px;
}
.idx-hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 18px;
}
.idx-hero h1 span { color: #93c5fd; }
.idx-hero-desc {
  font-size: 1.07rem;
  color: rgba(255,255,255,.85);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 36px;
}

/* -- INDEX form ----------------------------------- */
.idx-form-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 30px;
  max-width: 560px;
  margin: 0 auto;
  box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.idx-form-card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 18px;
  text-align: left;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}
.form-sep {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--muted);
  padding-bottom: 10px;
  text-align: center;
}
.form-group label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  color: var(--txt);
  outline: none;
  transition: border-color .18s;
  background: var(--bg);
}
.form-group input:focus { border-color: var(--accent); background: #fff; }
.btn-calc {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.btn-calc:hover { background: var(--accent2); transform: translateY(-1px); }

.calc-result-box {
  display: none;
  margin-top: 14px;
  background: #eff6ff;
  border: 1.5px solid #bae6fd;
  border-radius: 10px;
  padding: 16px 20px;
}
.calc-result-box.show { display: block; }
.calc-result-lbl { font-size: .83rem; color: var(--muted); margin-bottom: 4px; }
.calc-result-val {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}
.calc-result-link {
  font-size: .83rem;
  color: var(--muted);
}
.calc-result-link a { font-weight: 600; }

/* -- INDEX içerik --------------------------------- */
.idx-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 44px 20px 24px;
}
.idx-intro {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}
.idx-intro h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 14px;
  border-left: 4px solid var(--accent);
  padding-left: 14px;
}
.idx-intro p {
  color: #475569;
  line-height: 1.85;
  font-size: .96rem;
  margin-bottom: 12px;
}
.idx-intro p:last-child { margin-bottom: 0; }
.idx-intro strong { color: var(--accent2); }

/* Örnek linkler grid */
.sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 8px;
}
.sample-chip {
  display: block;
  padding: 10px 14px;
  background: var(--hover);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .87rem;
  color: var(--txt);
  font-weight: 500;
  transition: border-color .18s, background .18s;
  text-decoration: none;
}
.sample-chip:hover {
  border-color: var(--accent);
  background: #eff6ff;
  color: var(--accent);
  text-decoration: none;
}

/* -- HESAPLAMA SAYFASI ----------------------------- */
.hesap-hero {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 42px 36px 36px;
  text-align: center;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.hesap-hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--txt);
  margin-bottom: 16px;
  line-height: 1.2;
}
.hesap-hero h1 em {
  color: var(--accent);
  font-style: normal;
}
.result-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1.5px solid #bae6fd;
  border-radius: 12px;
  padding: 16px 32px;
  margin: 8px 0 18px;
}
.result-badge-lbl { font-size: .9rem; color: var(--muted); font-weight: 500; }
.result-badge-val {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hesap-formula {
  font-size: .92rem;
  color: var(--muted);
  font-family: monospace;
  background: var(--hover);
  display: inline-block;
  padding: 6px 16px;
  border-radius: 6px;
}

/* -- Card Section ---------------------------------- */
.card-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.sec-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--txt);
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--accent);
}

/* -- Adim adim tablo ------------------------------- */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
}
.step-body {
  padding-top: 4px;
  font-size: .94rem;
  color: var(--txt);
  line-height: 1.65;
}
.step-body strong { color: var(--accent); }

/* -- Yüzde tablosu --------------------------------- */
.tbl-wrap { overflow-x: auto; }
.pct-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.pct-tbl thead tr { background: var(--hover); }
.pct-tbl th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  color: var(--txt);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.pct-tbl td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  vertical-align: middle;
}
.pct-tbl tbody tr:hover { background: var(--hover); }
.pct-tbl .td-pct  { font-weight: 700; color: var(--txt); }
.pct-tbl .td-res  { font-weight: 800; color: var(--green); font-size: .95rem; }
.pct-tbl .td-act  { white-space: nowrap; }
.tbl-link {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 5px;
  font-size: .78rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: background .18s;
}
.tbl-link:hover { background: var(--accent2); }
.row-active td { background: #eff6ff; }
.row-active .td-pct { color: var(--accent); }

/* -- Inline hesap formu (alt) ---------------------- */
.mini-form-wrap {
  background: #eff6ff;
  border: 1.5px solid #bae6fd;
  border-radius: 10px;
  padding: 20px 24px;
}
.mini-form-wrap h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; color: var(--txt); }
.mini-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}
.mini-form-row .form-group { flex: 1; min-width: 110px; }
.mini-form-row .btn-calc { flex: 0 0 auto; width: auto; padding: 11px 22px; }
.mini-result {
  display: none;
  margin-top: 12px;
  font-size: 1rem;
  color: var(--txt);
  font-weight: 600;
}
.mini-result.show { display: block; }
.mini-result span { color: var(--accent); font-size: 1.25rem; font-weight: 800; }

/* -- Içerik --------------------------------------- */
.content-prose {
  font-size: .96rem;
  color: #374151;
  line-height: 1.85;
}
.content-prose h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--txt);
  margin: 22px 0 10px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
.content-prose p { margin-bottom: 12px; }
.content-prose p:last-child { margin-bottom: 0; }
.content-prose strong { color: var(--accent2); }

/* -- Footer --------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 0;
  margin-top: 48px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.ft-brand { font-weight: 700; color: var(--accent); font-size: .93rem; }
.ft-text  { font-size: .83rem; color: var(--muted); }

/* -- Responsive ----------------------------------- */
@media (max-width: 768px) {
  .idx-hero { padding: 44px 16px 52px; }
  .idx-form-card { padding: 20px 18px; }
  .form-row { grid-template-columns: 1fr; }
  .form-sep { display: none; }
  .hesap-hero { padding: 26px 18px; }
  .result-badge-val { font-size: 2rem; }
  .card-section { padding: 18px 14px; }
  .idx-intro { padding: 22px 18px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .sample-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .sample-grid { grid-template-columns: 1fr; }
  .mini-form-row { flex-direction: column; }
  .mini-form-row .btn-calc { width: 100%; }
}

/* -- BEYAZ HERO (index) ---------------------------- */
.idx-hero-white {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 52px 20px 56px;
}
.idx-hero-white-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.idx-hero-badge-dark {
  display: inline-block;
  background: #eff6ff;
  border: 1px solid #bae6fd;
  color: var(--accent);
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.idx-hero-text h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--txt);
  line-height: 1.15;
  margin-bottom: 16px;
}
.idx-hero-text h1 span {
  color: var(--accent);
}
.idx-hero-sub {
  font-size: .97rem;
  color: var(--muted);
  line-height: 1.75;
}

/* -- 5 SECTION YAPISI ------------------------------ */
.link-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.link-section-head {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.link-section-head h2 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 8px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
.link-section-head p {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.7;
  padding-left: 15px;
}

/* -- CHIP — yükseltilmis versiyon ----------------- */
.sample-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .87rem;
  color: var(--txt);
  font-weight: 500;
  transition: border-color .18s, background .18s, transform .12s;
  text-decoration: none;
}
.sample-chip:hover {
  border-color: var(--accent);
  background: #eff6ff;
  color: var(--accent);
  text-decoration: none;
  transform: translateY(-1px);
}
.chip-sayi {
  font-weight: 700;
  color: var(--txt);
}
.sample-chip:hover .chip-sayi { color: var(--accent); }
.chip-pct {
  font-weight: 800;
  color: var(--accent);
  background: #dbeafe;
  padding: 1px 7px;
  border-radius: 4px;
  font-size: .82rem;
}
.sample-chip:hover .chip-pct {
  background: #bfdbfe;
}

@media (max-width: 900px) {
  .idx-hero-white-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .idx-hero-text { text-align: center; }
  .idx-hero-badge-dark { display: inline-block; }
}
@media (max-width: 600px) {
  .idx-hero-white { padding: 32px 16px 36px; }
  .link-section { padding: 18px 14px; }
}