/* ── KAREKOD OLUŞTURMA — Swiss Minimalist / Clean Tech ── */
:root {
  --blue: #1a56db;
  --blue-light: #3b82f6;
  --blue-pale: #eff6ff;
  --blue-border: #bfdbfe;
  --dark: #111827;
  --gray: #6b7280;
  --gray-light: #f9fafb;
  --border: #e5e7eb;
  --text: #111827;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body { font-family: 'Plus Jakarta Sans', system-ui, sans-serif; background: #fff; color: var(--text); min-height: 100vh; }

/* Header */
.header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); }
.header-inner { max-width: 1100px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-qr { width: 32px; height: 32px; }
.qr-mini {
  width: 32px; height: 32px;
  background-image:
    linear-gradient(var(--blue) 0%, var(--blue) 100%),
    linear-gradient(var(--blue) 0%, var(--blue) 100%),
    linear-gradient(var(--blue) 0%, var(--blue) 100%);
  background-size: 14px 14px, 14px 14px, 6px 6px;
  background-position: 0 0, 18px 18px, 4px 4px;
  background-repeat: no-repeat;
  border: 2px solid var(--blue);
  border-radius: 4px;
  position: relative;
}
.logo-text { font-size: 1.05rem; font-weight: 700; color: var(--dark); }
.logo-accent { color: var(--blue); }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--gray); text-decoration: none; font-size: .9rem; font-weight: 500; transition: color .2s; }
.nav a:hover { color: var(--blue); }
.header-cta { padding: 8px 20px; background: var(--blue); color: #fff; border-radius: 8px; text-decoration: none; font-size: .9rem; font-weight: 600; transition: all .2s; }
.header-cta:hover { background: var(--blue-light); transform: translateY(-1px); }

/* Hero */
.hero { padding: 80px 24px 64px; text-align: center; background: linear-gradient(180deg, var(--blue-pale) 0%, #fff 100%); border-bottom: 1px solid var(--blue-border); }
.hero-label { display: inline-block; padding: 4px 14px; background: var(--blue-pale); border: 1px solid var(--blue-border); border-radius: 20px; color: var(--blue); font-size: .8rem; font-weight: 600; margin-bottom: 20px; letter-spacing: .05em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.blue-text { color: var(--blue); }
.hero-sub { color: var(--gray); font-size: 1.05rem; max-width: 480px; margin: 0 auto 28px; }
.hero-stats { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--blue); }
.hero-stat span { font-size: .8rem; color: var(--gray); }

/* Container */
.container { max-width: 1100px; margin: 0 auto; padding: 48px 24px; }

/* Generator layout */
.generator-layout { display: grid; grid-template-columns: 1fr 340px; gap: 32px; align-items: start; }

/* Form panel */
.form-panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-md); }
.type-tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 20px; background: var(--gray-light); border-radius: 10px; padding: 4px; }
.type-tab { flex: 1; min-width: 80px; padding: 8px 10px; border: none; border-radius: 8px; background: transparent; color: var(--gray); font-size: .82rem; font-weight: 600; cursor: pointer; transition: all .2s; font-family: inherit; }
.type-tab.active { background: #fff; color: var(--blue); box-shadow: var(--shadow); }
.type-tab:hover:not(.active) { color: var(--text); }

.type-form { display: none; }
.type-form.active { display: block; }
.field-label { display: block; font-size: .82rem; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.field-input { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-size: .95rem; font-family: inherit; color: var(--text); transition: border-color .2s; margin-bottom: 4px; }
.field-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,86,219,.08); }
.field-textarea { min-height: 90px; resize: vertical; }
.field-textarea.sm { min-height: 60px; }
.mt-12 { margin-top: 12px; }

.options-section { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.options-title { font-size: .82rem; font-weight: 700; color: var(--dark); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .05em; }
.options-row { display: grid; grid-template-columns: 1fr 1fr 80px 80px; gap: 12px; align-items: end; }
.option-group label { display: block; font-size: .78rem; font-weight: 600; color: var(--gray); margin-bottom: 5px; }
.option-group select { width: 100%; padding: 7px 10px; border: 1.5px solid var(--border); border-radius: 7px; font-family: inherit; font-size: .85rem; color: var(--text); cursor: pointer; }
.option-group input[type="color"] { width: 100%; height: 38px; border: 1.5px solid var(--border); border-radius: 7px; cursor: pointer; padding: 2px; }

/* Preview panel */
.preview-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-md); position: sticky; top: 80px; }
.preview-label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--gray); margin-bottom: 16px; }
.qr-output { display: flex; justify-content: center; align-items: center; background: var(--gray-light); border-radius: 10px; padding: 20px; margin-bottom: 16px; min-height: 220px; }
.qr-output canvas { display: block; border-radius: 4px; }
.preview-actions { display: flex; gap: 8px; flex-direction: column; }
.dl-btn { width: 100%; padding: 10px; border-radius: 8px; font-weight: 600; font-size: .88rem; cursor: pointer; transition: all .2s; font-family: inherit; }
.dl-btn.primary { background: var(--blue); color: #fff; border: none; }
.dl-btn.primary:hover { background: var(--blue-light); }
.dl-btn.secondary { background: #fff; color: var(--blue); border: 1.5px solid var(--blue); }
.dl-btn.secondary:hover { background: var(--blue-pale); }
.dl-btn.ghost { background: transparent; color: var(--gray); border: 1.5px solid var(--border); }
.dl-btn.ghost:hover { border-color: var(--blue); color: var(--blue); }
.preview-info { text-align: center; font-size: .78rem; color: var(--gray); margin-top: 10px; }

/* Steps */
.section-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 32px; }
.steps-row { display: flex; align-items: center; gap: 8px; justify-content: center; flex-wrap: wrap; }
.step { text-align: center; max-width: 200px; padding: 24px 16px; background: var(--gray-light); border-radius: var(--radius); }
.step-num { width: 28px; height: 28px; border-radius: 50%; background: var(--blue); color: #fff; font-size: .8rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; }
.step-icon { font-size: 1.8rem; margin-bottom: 10px; }
.step h3 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.step p { font-size: .82rem; color: var(--gray); }
.step-arrow { font-size: 1.4rem; color: var(--blue-border); }

/* FAQ */
.faq-list { max-width: 640px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; overflow: hidden; }
.faq-q { width: 100%; padding: 16px 20px; background: #fff; border: none; text-align: left; font-family: inherit; font-size: .95rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-q:hover { background: var(--gray-light); }
.faq-icon { font-size: 1.2rem; color: var(--blue); flex-shrink: 0; transition: transform .2s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 20px 16px; color: var(--gray); font-size: .9rem; line-height: 1.6; }
.faq-item.open .faq-a { display: block; }

/* QR mini footer */
.qr-mini-footer { width: 24px; height: 24px; border: 2px solid #fff; border-radius: 3px; opacity: .6; }

/* Footer */
.footer { background: var(--dark); color: #9ca3af; padding: 40px 24px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.footer-logo { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; }
.footer p { font-size: .85rem; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: #9ca3af; text-decoration: none; font-size: .85rem; }
.footer-links a:hover { color: #fff; }

@media(max-width:800px) {
  .generator-layout { grid-template-columns: 1fr; }
  .preview-card { position: static; }
  .options-row { grid-template-columns: 1fr 1fr; }
}
@media(max-width:500px) {
  .options-row { grid-template-columns: 1fr; }
  .nav { display: none; }
  .header-cta { display: none; }
}

.footer-links-kk { display:flex; flex-wrap:wrap; gap:10px 20px; justify-content:center; margin:12px 0; }
.footer-links-kk a { color:#9ca3af; text-decoration:none; font-size:.85rem; }
.footer-links-kk a:hover { color:#fff; }
.content-page-kk { max-width:860px; margin:0 auto; padding:48px 24px; }
.content-page-kk h1 { font-size:2rem; font-weight:800; margin-bottom:20px; }
.content-page-kk h2 { font-size:1.2rem; font-weight:700; color:var(--blue); margin:28px 0 12px; }
.content-page-kk p { color:var(--gray); line-height:1.7; margin-bottom:12px; }
.content-page-kk a { color:var(--blue); }
.type-card-kk { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:24px; margin-bottom:16px; box-shadow:0 1px 3px rgba(0,0,0,.07); transition:box-shadow .2s; }
.type-card-kk:hover { box-shadow:0 4px 12px rgba(0,0,0,.1); }
.type-card-kk h3 { font-size:1rem; font-weight:700; margin-bottom:8px; display:flex; align-items:center; gap:10px; }
.type-icon-kk { font-size:1.4rem; }
.type-card-kk p { font-size:.88rem; margin:0; }
.use-case-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:12px; margin:16px 0; }
.use-case { background:var(--blue-pale); border:1px solid var(--blue-border); border-radius:10px; padding:16px; text-align:center; }
.use-case .uc-icon { font-size:1.8rem; display:block; margin-bottom:8px; }
.use-case h3 { font-size:.9rem; font-weight:700; margin-bottom:6px; }
.use-case p { font-size:.8rem; color:var(--gray); margin:0; }
.faq-kk { max-width:640px; margin:20px auto; }
.faq-kk-item { border:1px solid var(--border); border-radius:10px; margin-bottom:8px; overflow:hidden; }
.faq-kk-q { width:100%; padding:15px 18px; background:#fff; border:none; text-align:left; font-family:'Plus Jakarta Sans',sans-serif; font-size:.92rem; font-weight:600; cursor:pointer; display:flex; justify-content:space-between; align-items:center; }
.faq-kk-q:hover { background:var(--gray-light); }
.faq-kk-item.open .faq-kk-q { background:var(--blue-pale); color:var(--blue); }
.faq-kk-icon { color:var(--blue); font-size:1.1rem; transition:transform .3s; }
.faq-kk-item.open .faq-kk-icon { transform:rotate(45deg); }
.faq-kk-a { display:none; padding:0 18px 15px; color:var(--gray); font-size:.88rem; line-height:1.6; }
.faq-kk-item.open .faq-kk-a { display:block; }
.related-kk { display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:10px; margin-top:16px; }
.related-kk a { display:block; padding:14px; background:var(--gray-light); border:1px solid var(--border); border-radius:10px; text-decoration:none; color:var(--dark); font-size:.88rem; font-weight:600; text-align:center; transition:all .2s; }
.related-kk a:hover { background:var(--blue-pale); border-color:var(--blue); color:var(--blue); }
/* Mini QR generator for inner pages */
.mini-qr-tool { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:24px; box-shadow:0 1px 3px rgba(0,0,0,.07); margin-bottom:24px; }
/* Content pages */
.content-page-kk { max-width:860px; margin:0 auto; padding:40px 24px 60px; }
.content-page-kk h1 { font-size:2rem; font-weight:800; color:var(--dark); margin-bottom:8px; }
.content-page-kk .page-sub { color:var(--gray); margin-bottom:32px; font-size:1rem; }
.content-page-kk h2 { font-size:1.1rem; font-weight:700; color:var(--blue); margin:28px 0 10px; }
.content-page-kk p { color:var(--gray); line-height:1.7; margin-bottom:12px; font-size:.95rem; }
.content-page-kk ul { color:var(--gray); font-size:.95rem; line-height:1.8; padding-left:20px; margin-bottom:16px; }
.content-page-kk a { color:var(--blue); }
.content-section-kk { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:24px 28px; margin-bottom:16px; box-shadow:0 1px 3px rgba(0,0,0,.05); }
.sitemap-grid-kk { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:12px; margin:16px 0; }
.sitemap-item-kk { background:var(--gray-light); border:1px solid var(--border); border-radius:10px; padding:14px 16px; text-decoration:none; color:var(--dark); font-size:.88rem; font-weight:600; transition:all .2s; display:block; }
.sitemap-item-kk:hover { background:var(--blue-pale); border-color:var(--blue); color:var(--blue); }
.breadcrumb-kk { font-size:.8rem; color:var(--gray); margin-bottom:20px; }
.breadcrumb-kk a { color:var(--blue); text-decoration:none; }
.breadcrumb-kk a:hover { text-decoration:underline; }